tools/syz-check: add limited checking of varlen structs

Stop at the fist varlen field, but check the preceeding ones.
Frequently the varlen array is the last field,
so we should get good checking for these cases.

Update #590

executor/defs.h

@@ -70,7 +70,7 @@
 
 #if GOARCH_386
 #define GOARCH "386"
-#define SYZ_REVISION "6464d5dfeaed57f20a0d2951f3ef4903498f2694"
+#define SYZ_REVISION "27b3cfbd601e2dbf2da3fb4ec5e7ea85e7853be9"
 #define SYZ_EXECUTOR_USES_FORK_SERVER 1
 #define SYZ_EXECUTOR_USES_SHMEM 1
 #define SYZ_PAGE_SIZE 4096
@@ -80,7 +80,7 @@
 
 #if GOARCH_amd64
 #define GOARCH "amd64"
-#define SYZ_REVISION "3b6f0c6a1268866f40cac6fca1ca2ce1a926630e"
+#define SYZ_REVISION "bb4413005f160aa76158144acc704b963393b213"
 #define SYZ_EXECUTOR_USES_FORK_SERVER 1
 #define SYZ_EXECUTOR_USES_SHMEM 1
 #define SYZ_PAGE_SIZE 4096
@@ -90,7 +90,7 @@
 
 #if GOARCH_arm
 #define GOARCH "arm"
-#define SYZ_REVISION "d0338eb41251155445d409f0d74e2e331d708856"
+#define SYZ_REVISION "24411766192553258d7072e7d4fcb4770d028c75"
 #define SYZ_EXECUTOR_USES_FORK_SERVER 1
 #define SYZ_EXECUTOR_USES_SHMEM 1
 #define SYZ_PAGE_SIZE 4096
@@ -100,7 +100,7 @@
 
 #if GOARCH_arm64
 #define GOARCH "arm64"
-#define SYZ_REVISION "dfd4ca0934b29aa601aec7c298c5ace6723a8e4f"
+#define SYZ_REVISION "8b29eb307531d68fb9898a0fa4d30c2f41fa6971"
 #define SYZ_EXECUTOR_USES_FORK_SERVER 1
 #define SYZ_EXECUTOR_USES_SHMEM 1
 #define SYZ_PAGE_SIZE 4096
@@ -110,7 +110,7 @@
 
 #if GOARCH_mips64le
 #define GOARCH "mips64le"
-#define SYZ_REVISION "5360b04840bacecfb272cf0f6411262ec90fb03f"
+#define SYZ_REVISION "5d42d46572f1dbf8d4002b29a88301cb4fde6845"
 #define SYZ_EXECUTOR_USES_FORK_SERVER 1
 #define SYZ_EXECUTOR_USES_SHMEM 1
 #define SYZ_PAGE_SIZE 4096
@@ -120,7 +120,7 @@
 
 #if GOARCH_ppc64le
 #define GOARCH "ppc64le"
-#define SYZ_REVISION "f708f25855574e76480f5b21756f972a42fa74bc"
+#define SYZ_REVISION "35f2bcf13af48b949fcd39cfc088a58c4afa7300"
 #define SYZ_EXECUTOR_USES_FORK_SERVER 1
 #define SYZ_EXECUTOR_USES_SHMEM 1
 #define SYZ_PAGE_SIZE 4096

sys/linux/dev_binder.txt.warn

@@ -16,15 +16,6 @@ bad-field-offset: binder_transaction_data.data_size/offsets_size: syz=32 kernel=
 bad-field-offset: binder_transaction_data.offsets_size/data: syz=40 kernel=48
 bad-field-size: binder_transaction_data.offsets_size/data: syz=8 kernel=16
 no-such-struct: binder_offsets
-bad-field-size: flat_binder_object.binder/hdr: syz=24 kernel=4
-bad-field-offset: flat_binder_object.weak_binder/flags: syz=24 kernel=4
-bad-field-offset: flat_binder_object.handle/: syz=48 kernel=8
-bad-field-size: flat_binder_object.handle/: syz=20 kernel=8 [386]
-bad-field-size: flat_binder_object.handle/: syz=24 kernel=8 [amd64,arm,arm64]
-bad-field-offset: flat_binder_object.weak_handle/cookie: syz=68 kernel=16 [386]
-bad-field-offset: flat_binder_object.weak_handle/cookie: syz=72 kernel=16 [amd64,arm,arm64]
-bad-field-size: flat_binder_object.weak_handle/cookie: syz=20 kernel=8 [386]
-bad-field-size: flat_binder_object.weak_handle/cookie: syz=24 kernel=8 [amd64,arm,arm64]
 no-such-struct: flat_binder_object_t
 bad-field-number: binder_fd_object: syz=5 kernel=4
 bad-field-size: binder_fd_object.fd/: syz=4 kernel=8

sys/linux/dev_infiniband_rdma.txt

@@ -1268,8 +1268,7 @@ ib_uverbs_flow_attr {
 	size		bytesize[flow_specs, int16]
 	priority	int16[0:7]
 	num_of_specs	len[flow_specs, int8]
-	reserved1	const[0x0, int8]
+	reserved	array[const[0x0, int8], 2]
-	reserved2	const[0x0, int8]
 	port		int8
 	flags		flags[ib_flow_flags, int32]
 	flow_specs	array[union_ib_flow_spec]

sys/linux/dev_infiniband_rdma.txt.warn

@@ -114,6 +114,12 @@ bad-field-size: ib_uverbs_flow_spec_action_count.size/handle: syz=2 kernel=4
 bad-field-offset: ib_uverbs_flow_spec_action_count.reserved0/reserved1: syz=6 kernel=12
 bad-field-size: ib_uverbs_flow_spec_action_count.reserved0/reserved1: syz=2 kernel=4
 no-such-struct: union_ib_flow_spec
+bad-field-size: ib_uverbs_flow_attr.reserved1/reserved: syz=1 kernel=2
+bad-field-offset: ib_uverbs_flow_attr.reserved2/port: syz=10 kernel=11
+bad-field-offset: ib_uverbs_flow_attr.port/flags: syz=11 kernel=12
+bad-field-size: ib_uverbs_flow_attr.port/flags: syz=1 kernel=4
+bad-field-offset: ib_uverbs_flow_attr.flags/flow_specs: syz=12 kernel=16
+bad-field-size: ib_uverbs_flow_attr.flags/flow_specs: syz=4 kernel=0
 no-such-struct: create_flow_resp
 no-such-struct: destroy_flow_cmd
 no-such-struct: ib_uverbs_create_counters_cmd

sys/linux/dev_infiniband_rdma_cm.txt.warn

@@ -3,13 +3,5 @@ no-such-struct: rdma_ucm_create_mcast_id_resp
 no-such-struct: rdma_ucm_leave_mcast
 bad-field-number: rdma_ucm_event_resp: syz=2 kernel=6
 bad-field-size: rdma_ucm_event_resp.id: syz=8 kernel=4
-bad-field-number: rdma_ucm_set_option: syz=4 kernel=5
-bad-field-size: rdma_ucm_set_option.id_tos/optval: syz=24 kernel=8
-bad-field-offset: rdma_ucm_set_option.id_resuseaddr/id: syz=24 kernel=8
-bad-field-size: rdma_ucm_set_option.id_resuseaddr/id: syz=24 kernel=4
-bad-field-offset: rdma_ucm_set_option.id_afonly/level: syz=48 kernel=12
-bad-field-size: rdma_ucm_set_option.id_afonly/level: syz=24 kernel=4
-bad-field-offset: rdma_ucm_set_option.ib_path/optname: syz=72 kernel=16
-bad-field-size: rdma_ucm_set_option.ib_path/optname: syz=24 kernel=4
 no-such-struct: rdma_ucm_set_option_t
 no-such-struct: sockaddr_rdma_cm

sys/linux/dev_nbd.txt.warn

@@ -1,2 +1,3 @@
 bad-netlink-attr: nbd_attr_policy: missing attributes: [9]
 no-such-struct: nbd_sock_pair
+bad-field-size: nbd_reply.handle_tag/handle: syz=2 kernel=8

sys/linux/dev_sg.txt.warn

@@ -44,3 +44,4 @@ bad-field-offset: sg_io_hdr.info/resid: syz=76 kernel=72 [amd64,arm64]
 no-such-struct: sg_io_hdr_data
 no-such-struct: sg_io_hdr_data_buffer
 no-such-struct: sg_io_hdr_data_scatter
+bad-field-size: scsi_ioctl_command.opcode/data: syz=4 kernel=0

sys/linux/devio.txt.warn

@@ -2,16 +2,6 @@ no-such-struct: usbdevfs_ep
 no-such-struct: usbdevfs_urb_control
 no-such-struct: usbdevfs_urb_bulk
 no-such-struct: usbdevfs_urb_interrupt
-bad-field-size: usbdevfs_ioctl.usbdevfs_disconnect/ifno: syz=12 kernel=4 [386,arm]
-bad-field-size: usbdevfs_ioctl.usbdevfs_disconnect/ifno: syz=16 kernel=4 [amd64,arm64]
-bad-field-offset: usbdevfs_ioctl.usbdevfs_connect/ioctl_code: syz=12 kernel=4 [386,arm]
-bad-field-offset: usbdevfs_ioctl.usbdevfs_connect/ioctl_code: syz=16 kernel=4 [amd64,arm64]
-bad-field-size: usbdevfs_ioctl.usbdevfs_connect/ioctl_code: syz=12 kernel=4 [386,arm]
-bad-field-size: usbdevfs_ioctl.usbdevfs_connect/ioctl_code: syz=16 kernel=4 [amd64,arm64]
-bad-field-offset: usbdevfs_ioctl.usbdevfs_driver/data: syz=24 kernel=8 [386,arm]
-bad-field-offset: usbdevfs_ioctl.usbdevfs_driver/data: syz=32 kernel=8 [amd64,arm64]
-bad-field-size: usbdevfs_ioctl.usbdevfs_driver/data: syz=12 kernel=4 [386,arm]
-bad-field-size: usbdevfs_ioctl.usbdevfs_driver/data: syz=16 kernel=8 [amd64,arm64]
 no-such-struct: usbdevfs_ioctl_disconnect
 no-such-struct: usbdevfs_ioctl_connect
 no-such-struct: usbdevfs_ioctl_driver

sys/linux/fscrypt.txt.warn

@@ -13,3 +13,4 @@ bad-field-size: fscrypt_policy_v2.master_key_identifier/__reserved: syz=16 kerne
 no-such-struct: fscrypt_policy_modes
 no-such-struct: fscrypt_policy_mode_t
 no-such-struct: fscrypt_key_specifier_payload
+bad-field-size: fscrypt_add_key_arg.reserved/key_id: syz=36 kernel=4

sys/linux/gen/386.go

@@ -8454,8 +8454,7 @@ var structDescs_386 = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "size", TypeSize: 2, ArgDir: 2}}, BitSize: 8, Path: []string{"flow_specs"}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "priority", TypeSize: 2, ArgDir: 2}}, Kind: 1, RangeEnd: 7},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "num_of_specs", TypeSize: 1, ArgDir: 2}}, Path: []string{"flow_specs"}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserved1", TypeSize: 1, ArgDir: 2}}},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "reserved", TypeSize: 2, ArgDir: 2}, Type: &ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", TypeSize: 1, ArgDir: 2}}}, Kind: 1, RangeBegin: 2, RangeEnd: 2},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserved2", TypeSize: 1, ArgDir: 2}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "port", TypeSize: 1, ArgDir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ib_flow_flags", FldName: "flags", TypeSize: 4, ArgDir: 2}}, Vals: []uint64{2}, BitMask: true},
 		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "flow_specs", ArgDir: 2, IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "union_ib_flow_spec", Dir: 2}}},
@@ -34681,11 +34680,11 @@ var structDescs_386 = []*KeyedStruct{
 		&BufferType{TypeCommon: TypeCommon{TypeName: "stringnoz", FldName: "metacopy_on", TypeSize: 11}, Kind: 2, Values: []string{"metacopy=on"}, NoZ: true},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "stringnoz", FldName: "metacopy_off", TypeSize: 12}, Kind: 2, Values: []string{"metacopy=off"}, NoZ: true},
 	}}},
-	{Key: StructKey{Name: "ovl_fh"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ovl_fh", IsVarlen: true}, Fields: []Type{
+	{Key: StructKey{Name: "ovl_fb"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ovl_fb", IsVarlen: true}, Fields: []Type{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "version", TypeSize: 1}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "magic", TypeSize: 1}}, Val: 251},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "len", TypeSize: 1}}, BitSize: 8, Path: []string{"parent"}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ovl_fh_flags", FldName: "flags", TypeSize: 1}}, Vals: []uint64{1, 2, 4}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ovl_fb_flags", FldName: "flags", TypeSize: 1}}, Vals: []uint64{1, 2, 4}, BitMask: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "type", TypeSize: 1}}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "uuid", TypeSize: 16}, Kind: 1, RangeBegin: 16, RangeEnd: 16},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "fid", IsVarlen: true}},
@@ -37364,7 +37363,6 @@ var structDescs_386 = []*KeyedStruct{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "evm_xattr_type", FldName: "type", TypeSize: 1}}, Vals: []uint64{3, 5}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "version", TypeSize: 1}}, Kind: 1, RangeEnd: 3},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "hash_algo", TypeSize: 1}}, Kind: 1, RangeEnd: 20},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 1}}, IsPad: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32be", FldName: "keyid", TypeSize: 4}, ArgFormat: 1}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "sig_size", TypeSize: 2}, ArgFormat: 1}, BitSize: 8, Path: []string{"sig"}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "sig", IsVarlen: true}},
@@ -48263,7 +48261,7 @@ var syscalls_386 = []*Syscall{
 	{NR: 228, Name: "fsetxattr$trusted_overlay_upper", CallName: "fsetxattr", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 4}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -56449,7 +56447,7 @@ var syscalls_386 = []*Syscall{
 	{NR: 227, Name: "lsetxattr$trusted_overlay_upper", CallName: "lsetxattr", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "path", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 4}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -62354,7 +62352,7 @@ var syscalls_386 = []*Syscall{
 	{NR: 226, Name: "setxattr$trusted_overlay_upper", CallName: "setxattr", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "path", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 4}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -74500,4 +74498,4 @@ var consts_386 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_386 = "6464d5dfeaed57f20a0d2951f3ef4903498f2694"
+const revision_386 = "27b3cfbd601e2dbf2da3fb4ec5e7ea85e7853be9"

sys/linux/gen/amd64.go

@@ -8597,8 +8597,7 @@ var structDescs_amd64 = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "size", TypeSize: 2, ArgDir: 2}}, BitSize: 8, Path: []string{"flow_specs"}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "priority", TypeSize: 2, ArgDir: 2}}, Kind: 1, RangeEnd: 7},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "num_of_specs", TypeSize: 1, ArgDir: 2}}, Path: []string{"flow_specs"}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserved1", TypeSize: 1, ArgDir: 2}}},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "reserved", TypeSize: 2, ArgDir: 2}, Type: &ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", TypeSize: 1, ArgDir: 2}}}, Kind: 1, RangeBegin: 2, RangeEnd: 2},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserved2", TypeSize: 1, ArgDir: 2}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "port", TypeSize: 1, ArgDir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ib_flow_flags", FldName: "flags", TypeSize: 4, ArgDir: 2}}, Vals: []uint64{2}, BitMask: true},
 		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "flow_specs", ArgDir: 2, IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "union_ib_flow_spec", Dir: 2}}},
@@ -35338,11 +35337,11 @@ var structDescs_amd64 = []*KeyedStruct{
 		&BufferType{TypeCommon: TypeCommon{TypeName: "stringnoz", FldName: "metacopy_on", TypeSize: 11}, Kind: 2, Values: []string{"metacopy=on"}, NoZ: true},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "stringnoz", FldName: "metacopy_off", TypeSize: 12}, Kind: 2, Values: []string{"metacopy=off"}, NoZ: true},
 	}}},
-	{Key: StructKey{Name: "ovl_fh"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ovl_fh", IsVarlen: true}, Fields: []Type{
+	{Key: StructKey{Name: "ovl_fb"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ovl_fb", IsVarlen: true}, Fields: []Type{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "version", TypeSize: 1}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "magic", TypeSize: 1}}, Val: 251},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "len", TypeSize: 1}}, BitSize: 8, Path: []string{"parent"}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ovl_fh_flags", FldName: "flags", TypeSize: 1}}, Vals: []uint64{1, 2, 4}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ovl_fb_flags", FldName: "flags", TypeSize: 1}}, Vals: []uint64{1, 2, 4}, BitMask: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "type", TypeSize: 1}}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "uuid", TypeSize: 16}, Kind: 1, RangeBegin: 16, RangeEnd: 16},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "fid", IsVarlen: true}},
@@ -38051,7 +38050,6 @@ var structDescs_amd64 = []*KeyedStruct{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "evm_xattr_type", FldName: "type", TypeSize: 1}}, Vals: []uint64{3, 5}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "version", TypeSize: 1}}, Kind: 1, RangeEnd: 3},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "hash_algo", TypeSize: 1}}, Kind: 1, RangeEnd: 20},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 1}}, IsPad: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32be", FldName: "keyid", TypeSize: 4}, ArgFormat: 1}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "sig_size", TypeSize: 2}, ArgFormat: 1}, BitSize: 8, Path: []string{"sig"}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "sig", IsVarlen: true}},
@@ -49162,7 +49160,7 @@ var syscalls_amd64 = []*Syscall{
 	{NR: 190, Name: "fsetxattr$trusted_overlay_upper", CallName: "fsetxattr", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 8}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -57373,7 +57371,7 @@ var syscalls_amd64 = []*Syscall{
 	{NR: 189, Name: "lsetxattr$trusted_overlay_upper", CallName: "lsetxattr", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "path", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 8}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -63285,7 +63283,7 @@ var syscalls_amd64 = []*Syscall{
 	{NR: 188, Name: "setxattr$trusted_overlay_upper", CallName: "setxattr", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "path", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 8}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -75441,4 +75439,4 @@ var consts_amd64 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_amd64 = "3b6f0c6a1268866f40cac6fca1ca2ce1a926630e"
+const revision_amd64 = "bb4413005f160aa76158144acc704b963393b213"

sys/linux/gen/arm.go

@@ -8487,8 +8487,7 @@ var structDescs_arm = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "size", TypeSize: 2, ArgDir: 2}}, BitSize: 8, Path: []string{"flow_specs"}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "priority", TypeSize: 2, ArgDir: 2}}, Kind: 1, RangeEnd: 7},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "num_of_specs", TypeSize: 1, ArgDir: 2}}, Path: []string{"flow_specs"}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserved1", TypeSize: 1, ArgDir: 2}}},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "reserved", TypeSize: 2, ArgDir: 2}, Type: &ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", TypeSize: 1, ArgDir: 2}}}, Kind: 1, RangeBegin: 2, RangeEnd: 2},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserved2", TypeSize: 1, ArgDir: 2}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "port", TypeSize: 1, ArgDir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ib_flow_flags", FldName: "flags", TypeSize: 4, ArgDir: 2}}, Vals: []uint64{2}, BitMask: true},
 		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "flow_specs", ArgDir: 2, IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "union_ib_flow_spec", Dir: 2}}},
@@ -34540,11 +34539,11 @@ var structDescs_arm = []*KeyedStruct{
 		&BufferType{TypeCommon: TypeCommon{TypeName: "stringnoz", FldName: "metacopy_on", TypeSize: 11}, Kind: 2, Values: []string{"metacopy=on"}, NoZ: true},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "stringnoz", FldName: "metacopy_off", TypeSize: 12}, Kind: 2, Values: []string{"metacopy=off"}, NoZ: true},
 	}}},
-	{Key: StructKey{Name: "ovl_fh"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ovl_fh", IsVarlen: true}, Fields: []Type{
+	{Key: StructKey{Name: "ovl_fb"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ovl_fb", IsVarlen: true}, Fields: []Type{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "version", TypeSize: 1}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "magic", TypeSize: 1}}, Val: 251},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "len", TypeSize: 1}}, BitSize: 8, Path: []string{"parent"}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ovl_fh_flags", FldName: "flags", TypeSize: 1}}, Vals: []uint64{1, 2, 4}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ovl_fb_flags", FldName: "flags", TypeSize: 1}}, Vals: []uint64{1, 2, 4}, BitMask: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "type", TypeSize: 1}}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "uuid", TypeSize: 16}, Kind: 1, RangeBegin: 16, RangeEnd: 16},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "fid", IsVarlen: true}},
@@ -37241,7 +37240,6 @@ var structDescs_arm = []*KeyedStruct{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "evm_xattr_type", FldName: "type", TypeSize: 1}}, Vals: []uint64{3, 5}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "version", TypeSize: 1}}, Kind: 1, RangeEnd: 3},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "hash_algo", TypeSize: 1}}, Kind: 1, RangeEnd: 20},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 1}}, IsPad: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32be", FldName: "keyid", TypeSize: 4}, ArgFormat: 1}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "sig_size", TypeSize: 2}, ArgFormat: 1}, BitSize: 8, Path: []string{"sig"}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "sig", IsVarlen: true}},
@@ -48153,7 +48151,7 @@ var syscalls_arm = []*Syscall{
 	{NR: 228, Name: "fsetxattr$trusted_overlay_upper", CallName: "fsetxattr", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 4}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -56204,7 +56202,7 @@ var syscalls_arm = []*Syscall{
 	{NR: 227, Name: "lsetxattr$trusted_overlay_upper", CallName: "lsetxattr", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "path", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 4}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -62090,7 +62088,7 @@ var syscalls_arm = []*Syscall{
 	{NR: 226, Name: "setxattr$trusted_overlay_upper", CallName: "setxattr", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "path", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 4}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 4}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -74149,4 +74147,4 @@ var consts_arm = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_arm = "d0338eb41251155445d409f0d74e2e331d708856"
+const revision_arm = "24411766192553258d7072e7d4fcb4770d028c75"

sys/linux/gen/arm64.go

@@ -8597,8 +8597,7 @@ var structDescs_arm64 = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "size", TypeSize: 2, ArgDir: 2}}, BitSize: 8, Path: []string{"flow_specs"}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "priority", TypeSize: 2, ArgDir: 2}}, Kind: 1, RangeEnd: 7},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "num_of_specs", TypeSize: 1, ArgDir: 2}}, Path: []string{"flow_specs"}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserved1", TypeSize: 1, ArgDir: 2}}},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "reserved", TypeSize: 2, ArgDir: 2}, Type: &ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", TypeSize: 1, ArgDir: 2}}}, Kind: 1, RangeBegin: 2, RangeEnd: 2},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserved2", TypeSize: 1, ArgDir: 2}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "port", TypeSize: 1, ArgDir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ib_flow_flags", FldName: "flags", TypeSize: 4, ArgDir: 2}}, Vals: []uint64{2}, BitMask: true},
 		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "flow_specs", ArgDir: 2, IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "union_ib_flow_spec", Dir: 2}}},
@@ -35147,11 +35146,11 @@ var structDescs_arm64 = []*KeyedStruct{
 		&BufferType{TypeCommon: TypeCommon{TypeName: "stringnoz", FldName: "metacopy_on", TypeSize: 11}, Kind: 2, Values: []string{"metacopy=on"}, NoZ: true},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "stringnoz", FldName: "metacopy_off", TypeSize: 12}, Kind: 2, Values: []string{"metacopy=off"}, NoZ: true},
 	}}},
-	{Key: StructKey{Name: "ovl_fh"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ovl_fh", IsVarlen: true}, Fields: []Type{
+	{Key: StructKey{Name: "ovl_fb"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ovl_fb", IsVarlen: true}, Fields: []Type{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "version", TypeSize: 1}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "magic", TypeSize: 1}}, Val: 251},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "len", TypeSize: 1}}, BitSize: 8, Path: []string{"parent"}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ovl_fh_flags", FldName: "flags", TypeSize: 1}}, Vals: []uint64{1, 2, 4}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ovl_fb_flags", FldName: "flags", TypeSize: 1}}, Vals: []uint64{1, 2, 4}, BitMask: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "type", TypeSize: 1}}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "uuid", TypeSize: 16}, Kind: 1, RangeBegin: 16, RangeEnd: 16},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "fid", IsVarlen: true}},
@@ -37860,7 +37859,6 @@ var structDescs_arm64 = []*KeyedStruct{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "evm_xattr_type", FldName: "type", TypeSize: 1}}, Vals: []uint64{3, 5}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "version", TypeSize: 1}}, Kind: 1, RangeEnd: 3},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "hash_algo", TypeSize: 1}}, Kind: 1, RangeEnd: 20},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 1}}, IsPad: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32be", FldName: "keyid", TypeSize: 4}, ArgFormat: 1}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "sig_size", TypeSize: 2}, ArgFormat: 1}, BitSize: 8, Path: []string{"sig"}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "sig", IsVarlen: true}},
@@ -48883,7 +48881,7 @@ var syscalls_arm64 = []*Syscall{
 	{NR: 7, Name: "fsetxattr$trusted_overlay_upper", CallName: "fsetxattr", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 8}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -56945,7 +56943,7 @@ var syscalls_arm64 = []*Syscall{
 	{NR: 6, Name: "lsetxattr$trusted_overlay_upper", CallName: "lsetxattr", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "path", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 8}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -62778,7 +62776,7 @@ var syscalls_arm64 = []*Syscall{
 	{NR: 5, Name: "setxattr$trusted_overlay_upper", CallName: "setxattr", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "path", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 8}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -74786,4 +74784,4 @@ var consts_arm64 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_arm64 = "dfd4ca0934b29aa601aec7c298c5ace6723a8e4f"
+const revision_arm64 = "8b29eb307531d68fb9898a0fa4d30c2f41fa6971"

sys/linux/gen/mips64le.go

@@ -8594,8 +8594,7 @@ var structDescs_mips64le = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "size", TypeSize: 2, ArgDir: 2}}, BitSize: 8, Path: []string{"flow_specs"}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "priority", TypeSize: 2, ArgDir: 2}}, Kind: 1, RangeEnd: 7},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "num_of_specs", TypeSize: 1, ArgDir: 2}}, Path: []string{"flow_specs"}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserved1", TypeSize: 1, ArgDir: 2}}},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "reserved", TypeSize: 2, ArgDir: 2}, Type: &ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", TypeSize: 1, ArgDir: 2}}}, Kind: 1, RangeBegin: 2, RangeEnd: 2},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserved2", TypeSize: 1, ArgDir: 2}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "port", TypeSize: 1, ArgDir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ib_flow_flags", FldName: "flags", TypeSize: 4, ArgDir: 2}}, Vals: []uint64{2}, BitMask: true},
 		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "flow_specs", ArgDir: 2, IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "union_ib_flow_spec", Dir: 2}}},
@@ -35091,11 +35090,11 @@ var structDescs_mips64le = []*KeyedStruct{
 		&BufferType{TypeCommon: TypeCommon{TypeName: "stringnoz", FldName: "metacopy_on", TypeSize: 11}, Kind: 2, Values: []string{"metacopy=on"}, NoZ: true},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "stringnoz", FldName: "metacopy_off", TypeSize: 12}, Kind: 2, Values: []string{"metacopy=off"}, NoZ: true},
 	}}},
-	{Key: StructKey{Name: "ovl_fh"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ovl_fh", IsVarlen: true}, Fields: []Type{
+	{Key: StructKey{Name: "ovl_fb"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ovl_fb", IsVarlen: true}, Fields: []Type{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "version", TypeSize: 1}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "magic", TypeSize: 1}}, Val: 251},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "len", TypeSize: 1}}, BitSize: 8, Path: []string{"parent"}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ovl_fh_flags", FldName: "flags", TypeSize: 1}}, Vals: []uint64{1, 2, 4}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ovl_fb_flags", FldName: "flags", TypeSize: 1}}, Vals: []uint64{1, 2, 4}, BitMask: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "type", TypeSize: 1}}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "uuid", TypeSize: 16}, Kind: 1, RangeBegin: 16, RangeEnd: 16},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "fid", IsVarlen: true}},
@@ -37804,7 +37803,6 @@ var structDescs_mips64le = []*KeyedStruct{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "evm_xattr_type", FldName: "type", TypeSize: 1}}, Vals: []uint64{3, 5}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "version", TypeSize: 1}}, Kind: 1, RangeEnd: 3},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "hash_algo", TypeSize: 1}}, Kind: 1, RangeEnd: 20},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 1}}, IsPad: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32be", FldName: "keyid", TypeSize: 4}, ArgFormat: 1}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "sig_size", TypeSize: 2}, ArgFormat: 1}, BitSize: 8, Path: []string{"sig"}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "sig", IsVarlen: true}},
@@ -47991,7 +47989,7 @@ var syscalls_mips64le = []*Syscall{
 	{NR: 5182, Name: "fsetxattr$trusted_overlay_upper", CallName: "fsetxattr", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 8}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -55511,7 +55509,7 @@ var syscalls_mips64le = []*Syscall{
 	{NR: 5181, Name: "lsetxattr$trusted_overlay_upper", CallName: "lsetxattr", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "path", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 8}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -61396,7 +61394,7 @@ var syscalls_mips64le = []*Syscall{
 	{NR: 5180, Name: "setxattr$trusted_overlay_upper", CallName: "setxattr", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "path", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 8}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -72409,4 +72407,4 @@ var consts_mips64le = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_mips64le = "5360b04840bacecfb272cf0f6411262ec90fb03f"
+const revision_mips64le = "5d42d46572f1dbf8d4002b29a88301cb4fde6845"

sys/linux/gen/ppc64le.go

@@ -8596,8 +8596,7 @@ var structDescs_ppc64le = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "size", TypeSize: 2, ArgDir: 2}}, BitSize: 8, Path: []string{"flow_specs"}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "priority", TypeSize: 2, ArgDir: 2}}, Kind: 1, RangeEnd: 7},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "num_of_specs", TypeSize: 1, ArgDir: 2}}, Path: []string{"flow_specs"}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserved1", TypeSize: 1, ArgDir: 2}}},
+		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "reserved", TypeSize: 2, ArgDir: 2}, Type: &ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", TypeSize: 1, ArgDir: 2}}}, Kind: 1, RangeBegin: 2, RangeEnd: 2},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserved2", TypeSize: 1, ArgDir: 2}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "port", TypeSize: 1, ArgDir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ib_flow_flags", FldName: "flags", TypeSize: 4, ArgDir: 2}}, Vals: []uint64{2}, BitMask: true},
 		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "flow_specs", ArgDir: 2, IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "union_ib_flow_spec", Dir: 2}}},
@@ -35093,11 +35092,11 @@ var structDescs_ppc64le = []*KeyedStruct{
 		&BufferType{TypeCommon: TypeCommon{TypeName: "stringnoz", FldName: "metacopy_on", TypeSize: 11}, Kind: 2, Values: []string{"metacopy=on"}, NoZ: true},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "stringnoz", FldName: "metacopy_off", TypeSize: 12}, Kind: 2, Values: []string{"metacopy=off"}, NoZ: true},
 	}}},
-	{Key: StructKey{Name: "ovl_fh"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ovl_fh", IsVarlen: true}, Fields: []Type{
+	{Key: StructKey{Name: "ovl_fb"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ovl_fb", IsVarlen: true}, Fields: []Type{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "version", TypeSize: 1}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "magic", TypeSize: 1}}, Val: 251},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "len", TypeSize: 1}}, BitSize: 8, Path: []string{"parent"}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ovl_fh_flags", FldName: "flags", TypeSize: 1}}, Vals: []uint64{1, 2, 4}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ovl_fb_flags", FldName: "flags", TypeSize: 1}}, Vals: []uint64{1, 2, 4}, BitMask: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "type", TypeSize: 1}}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "uuid", TypeSize: 16}, Kind: 1, RangeBegin: 16, RangeEnd: 16},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "fid", IsVarlen: true}},
@@ -37806,7 +37805,6 @@ var structDescs_ppc64le = []*KeyedStruct{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "evm_xattr_type", FldName: "type", TypeSize: 1}}, Vals: []uint64{3, 5}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "version", TypeSize: 1}}, Kind: 1, RangeEnd: 3},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "hash_algo", TypeSize: 1}}, Kind: 1, RangeEnd: 20},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 1}}, IsPad: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32be", FldName: "keyid", TypeSize: 4}, ArgFormat: 1}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "sig_size", TypeSize: 2}, ArgFormat: 1}, BitSize: 8, Path: []string{"sig"}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "array", FldName: "sig", IsVarlen: true}},
@@ -48804,7 +48802,7 @@ var syscalls_ppc64le = []*Syscall{
 	{NR: 211, Name: "fsetxattr$trusted_overlay_upper", CallName: "fsetxattr", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 8}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -56822,7 +56820,7 @@ var syscalls_ppc64le = []*Syscall{
 	{NR: 210, Name: "lsetxattr$trusted_overlay_upper", CallName: "lsetxattr", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "path", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 8}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -62726,7 +62724,7 @@ var syscalls_ppc64le = []*Syscall{
 	{NR: 209, Name: "setxattr$trusted_overlay_upper", CallName: "setxattr", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "path", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "name", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "string", TypeSize: 22}, Kind: 2, Values: []string{"trusted.overlay.upper\x00"}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fh"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "val", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "ovl_fb"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "size", TypeSize: 8}}, Path: []string{"val"}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "setxattr_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1, 2}, BitMask: true},
 	}},
@@ -74745,4 +74743,4 @@ var consts_ppc64le = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_ppc64le = "f708f25855574e76480f5b21756f972a42fa74bc"
+const revision_ppc64le = "35f2bcf13af48b949fcd39cfc088a58c4afa7300"

sys/linux/netfilter.txt.warn

@@ -9,11 +9,6 @@ bad-field-size: xt_cgroup_info_v1.priv: syz=8 kernel=4 [386,arm]
 bad-field-size: xt_rateest_match_info.est1: syz=8 kernel=4 [386,arm]
 bad-field-size: xt_rateest_match_info.est2: syz=8 kernel=4 [386,arm]
 bad-field-size: xt_bpf_info.filter: syz=8 kernel=4 [386,arm]
-bad-field-number: xt_bpf_info_v1: syz=3 kernel=5
-bad-field-size: xt_bpf_info_v1.bytecode/mode: syz=528 kernel=2
-bad-field-offset: xt_bpf_info_v1.pinned/bpf_program_num_elem: syz=528 kernel=2
-bad-field-offset: xt_bpf_info_v1.fd: syz=1056 kernel=4
-bad-field-size: xt_bpf_info_v1.fd: syz=8 kernel=4
 no-such-struct: xt_bpf_info_bytecode
 no-such-struct: xt_bpf_info_pinned
 no-such-struct: xt_bpf_info_fd

sys/linux/netfilter_arp.txt.warn

@@ -1,3 +1,14 @@
+bad-field-size: arpt_replace.hook_in/hook_entry: syz=4 kernel=12
+bad-field-offset: arpt_replace.hook_out/underflow: syz=48 kernel=56
+bad-field-size: arpt_replace.hook_out/underflow: syz=4 kernel=12
+bad-field-offset: arpt_replace.hook_forward/num_counters: syz=52 kernel=68
+bad-field-offset: arpt_replace.underflow_in/counters: syz=56 kernel=72
+bad-field-size: arpt_replace.underflow_in/counters: syz=4 kernel=8 [amd64,arm64]
+bad-field-offset: arpt_replace.underflow_out/entries: syz=60 kernel=76 [386]
+bad-field-offset: arpt_replace.underflow_out/entries: syz=60 kernel=80 [amd64,arm,arm64]
+bad-field-size: arpt_replace.underflow_out/entries: syz=4 kernel=0
+bad-field-size: arpt_entry.matches/arp: syz=188 kernel=164 [386]
+bad-field-size: arpt_entry.matches/arp: syz=192 kernel=164 [amd64,arm,arm64]
 no-such-struct: arpt_entry_matches
 no-such-struct: arpt_entry_underflow
 no-such-struct: arpt_entry_underflow_matches

sys/linux/netfilter_bridge.txt.warn

@@ -1,5 +1,8 @@
 no-such-struct: ebt_replace_t
 compiler: len target entries refer to an array with variable-size elements (do you mean bytesize?)
+bad-field-offset: ebt_entry.watchers_offset: syz=98 kernel=100
+bad-field-offset: ebt_entry.target_offset: syz=102 kernel=104
+bad-field-offset: ebt_entry.next_offset: syz=106 kernel=108
 no-such-struct: ebt_getinfo
 no-such-struct: ebt_get_entries
 bad-field-size: ebt_entry_match.name/u: syz=31 kernel=32

sys/linux/socket.txt.warn

@@ -1,9 +1,5 @@
 compiler: unsupported syscall: accept due to missing const __NR_accept [386]
 no-such-struct: sock_pair
-bad-field-number: sockaddr: syz=19 kernel=2
-bad-field-size: sockaddr.in/sa_family: syz=16 kernel=2
-bad-field-offset: sockaddr.ax25/sa_data: syz=16 kernel=2
-bad-field-size: sockaddr.ax25/sa_data: syz=16 kernel=14
 no-such-struct: sockaddr_storage
 no-such-struct: sockaddr_generic
 no-such-struct: sockaddr_storage_generic
@@ -23,12 +19,6 @@ no-such-struct: vlan_args
 no-such-struct: vlan_args_u
 no-such-struct: devname_mask
 no-such-struct: ifs_ifsu
-bad-field-size: ifconf.req/ifc_len: syz=16 kernel=4 [amd64,arm64]
-bad-field-size: ifconf.req/ifc_len: syz=8 kernel=4 [386,arm]
-bad-field-offset: ifconf.buf/ifc_ifcu: syz=16 kernel=8 [amd64,arm64]
-bad-field-offset: ifconf.buf/ifc_ifcu: syz=8 kernel=4 [386,arm]
-bad-field-size: ifconf.buf/ifc_ifcu: syz=16 kernel=8 [amd64,arm64]
-bad-field-size: ifconf.buf/ifc_ifcu: syz=8 kernel=4 [386,arm]
 no-such-struct: ifconf_buf
 no-such-struct: ifconf_req
 no-such-struct: brctl_arg
@@ -39,3 +29,5 @@ no-such-struct: ethtool_flow_union
 no-such-struct: ethtool_rx_ntuple
 no-such-struct: ethtool_rx_ntuple_flow_spec
 no-such-struct: ethtool_rx_ntuple_flow_spec_union
+bad-field-size: ethtool_per_queue_op.queue_mask: syz=16384 kernel=512
+bad-field-size: ethtool_link_settings.reserved/transceiver: syz=32 kernel=1

sys/linux/socket_ax25.txt.warn

@@ -1,4 +1,3 @@
-bad-field-number: ax25_address: syz=6 kernel=1
 no-such-struct: ax25_address_remote
 no-such-struct: ax25_address_bcast
 no-such-struct: ax25_address_default

sys/linux/socket_bluetooth.txt.warn

@@ -1,3 +1,2 @@
 no-such-struct: vhci_command_vendor_pkt
-bad-field-number: bdaddr_t: syz=3 kernel=1
 no-such-struct: bdaddr_fixed

sys/linux/socket_caif.txt.warn

@@ -1,6 +1,3 @@
-bad-field-number: sockaddr_caif: syz=5 kernel=2
-bad-field-size: sockaddr_caif.at/family: syz=4 kernel=2
-bad-field-size: sockaddr_caif.util/u: syz=18 kernel=20
 no-such-struct: sockaddr_caif_at
 no-such-struct: sockaddr_caif_util
 no-such-struct: sockaddr_caif_dgm

sys/linux/socket_inet_tcp.txt.warn

@@ -1,7 +1,4 @@
 no-such-struct: sockaddr_storage_tcp
-bad-field-number: tcp_repair_opt: syz=4 kernel=2
-bad-field-size: tcp_repair_opt.mss/opt_code: syz=8 kernel=4
-bad-field-offset: tcp_repair_opt.window/opt_val: syz=8 kernel=4
 no-such-struct: tcp_repair_opt_mss
 no-such-struct: tcp_repair_opt_window
 no-such-struct: tcp_repair_opt_sack_perm

sys/linux/socket_netlink.txt.warn

@@ -1,8 +1,3 @@
-bad-field-number: sockaddr_nl: syz=3 kernel=4
-bad-field-size: sockaddr_nl.kern/nl_family: syz=12 kernel=2
-bad-field-offset: sockaddr_nl.proc/nl_pad: syz=12 kernel=2
-bad-field-offset: sockaddr_nl.unspec/nl_pid: syz=24 kernel=4
-bad-field-size: sockaddr_nl.unspec/nl_pid: syz=12 kernel=4
 no-such-struct: sockaddr_nl_send
 no-such-struct: sockaddr_nl_t
 no-such-struct: msghdr_netlink_full

sys/linux/socket_netlink_route_sched.txt.warn

@@ -13,6 +13,9 @@ no-such-netlink-policy: tclass_kind_options
 no-such-netlink-policy: tca_actions
 bad-netlink-attr: tcf_action_policy: missing attributes: [7]
 no-such-netlink-policy: tca_ife_meta_policy
+bad-field-size: xt_entry_target.u_target_size/u: syz=2 kernel=32
+bad-field-offset: xt_entry_target.name/data: syz=2 kernel=32
+bad-field-size: xt_entry_target.name/data: syz=32 kernel=0
 bad-netlink-attr: skbedit_policy: missing attributes: [8 9]
 bad-netlink-attr: tunnel_key_policy: missing attributes: [11 12 13]
 no-such-netlink-policy: action_gd_policy
@@ -41,6 +44,11 @@ bad-field-offset: tc_nat.old_addr/capab: syz=20 kernel=4
 bad-field-offset: tc_nat.new_addr/action: syz=24 kernel=8
 bad-field-offset: tc_nat.mask/refcnt: syz=28 kernel=12
 bad-field-offset: tc_nat.flags/bindcnt: syz=32 kernel=16
+bad-field-size: tc_pedit_sel.tc_gen/index: syz=20 kernel=4
+bad-field-offset: tc_pedit_sel.nkeys/capab: syz=20 kernel=4
+bad-field-size: tc_pedit_sel.nkeys/capab: syz=1 kernel=4
+bad-field-offset: tc_pedit_sel.flags/action: syz=21 kernel=8
+bad-field-size: tc_pedit_sel.flags/action: syz=1 kernel=4
 no-such-struct: m_pedit_key_ex
 bad-field-number: tc_skbmod: syz=2 kernel=6
 bad-field-size: tc_skbmod.tc_gen/index: syz=20 kernel=4
@@ -55,4 +63,7 @@ bad-field-size: tc_vlan.tc_gen/index: syz=20 kernel=4
 bad-field-offset: tc_vlan.v_action/capab: syz=20 kernel=4
 no-such-netlink-policy: tca_ematch_tree_list
 no-such-struct: tcf_ematch_hdr_t
+bad-field-size: tcf_em_nbyte.off: syz=4 kernel=2
+bad-field-offset: tcf_em_nbyte.len: syz=4 kernel=2
+bad-field-offset: tcf_em_nbyte.layer: syz=5 kernel=3
 no-such-struct: tc_estimator

sys/linux/socket_rose.txt.warn

@@ -1,3 +1,2 @@
-bad-field-number: rose_address: syz=2 kernel=1
 no-such-struct: rose_address_remote
 no-such-struct: rose_address_dev

sys/linux/socket_rxrpc.txt.warn

@@ -1,5 +1 @@
-bad-field-number: sockaddr_rxrpc: syz=2 kernel=5
-bad-field-size: sockaddr_rxrpc.in4/srx_family: syz=24 kernel=2
-bad-field-offset: sockaddr_rxrpc.in6/srx_service: syz=24 kernel=2
-bad-field-size: sockaddr_rxrpc.in6/srx_service: syz=36 kernel=2
 no-such-struct: sockaddr_rxrpc_t

sys/linux/socket_tipc.txt.warn

@@ -1,10 +1,4 @@
 no-such-struct: tipc_pair
-bad-field-number: sockaddr_tipc: syz=3 kernel=4
-bad-field-size: sockaddr_tipc.nameseq/family: syz=16 kernel=2
-bad-field-offset: sockaddr_tipc.name/addrtype: syz=16 kernel=2
-bad-field-size: sockaddr_tipc.name/addrtype: syz=16 kernel=1
-bad-field-offset: sockaddr_tipc.id/scope: syz=32 kernel=3
-bad-field-size: sockaddr_tipc.id/scope: syz=12 kernel=1
 no-such-struct: sockaddr_tipc_t
 no-such-struct: msghdr_tipc
 no-such-struct: tipc_address_name

sys/linux/socket_unix.txt.warn

@@ -1,7 +1,4 @@
 no-such-struct: unix_pair
-bad-field-size: sockaddr_un.file/sun_family: syz=110 kernel=2
-bad-field-offset: sockaddr_un.abs/sun_path: syz=110 kernel=2
-bad-field-size: sockaddr_un.abs/sun_path: syz=8 kernel=108
 no-such-struct: sockaddr_un_file
 no-such-struct: sockaddr_un_abstract
 no-such-struct: msghdr_un

sys/linux/socket_x25.txt.warn

@@ -1,2 +1 @@
-bad-field-number: x25_address: syz=2 kernel=1
 no-such-struct: x25_address_remote

sys/linux/vnet.txt.warn

@@ -2,7 +2,6 @@ no-such-struct: vnet_fragmentation
 no-such-struct: tcp_resources
 no-such-struct: mac_addr_t
 no-such-struct: mac_addr_link_local
-bad-field-number: mac_addr: syz=7 kernel=1
 no-such-struct: vlan_tag_ad
 no-such-struct: vlan_tag_q
 no-such-struct: eth2_packet_t
@@ -39,6 +38,8 @@ no-such-struct: tcp_sack_perm_option
 no-such-struct: tcp_timestamp_option
 no-such-struct: tcp_md5sig_option
 no-such-struct: tcp_exp_smc_option
+bad-bitfield: guehdr.hlen/: size/offset: syz=5/0 kernel=0/0
+bad-field-size: guehdr.hlen/: syz=1 kernel=4
 no-such-struct: gre_packet_erspan
 no-such-struct: erspan_md1
 no-such-struct: erspan_md1_msg

sys/linux/vusb.txt.warn

@@ -13,6 +13,13 @@ compiler: len target caps refer to an array with variable-size elements (do you
 no-such-struct: usb_wireless_cap_descriptor
 bad-field-number: usb_ext_cap_descriptor: syz=7 kernel=4
 bad-bitfield: usb_ext_cap_descriptor.bmAttributes1/bmAttributes: size/offset: syz=8/0 kernel=0/0
+bad-bitfield: usb_ssp_cap_descriptor.bmAttributesSublinkSpeeds/bmAttributes: size/offset: syz=5/0 kernel=0/0
+bad-bitfield: usb_ssp_cap_descriptor.bmAttributesSpeedIDs/wFunctionalitySupport: size/offset: syz=27/5 kernel=0/0
+bad-field-offset: usb_ssp_cap_descriptor.bmAttributesSpeedIDs/wFunctionalitySupport: syz=4 kernel=8
+bad-field-size: usb_ssp_cap_descriptor.bmAttributesSpeedIDs/wFunctionalitySupport: syz=4 kernel=2
+bad-field-offset: usb_ssp_cap_descriptor.wFunctionalitySupport/wReserved: syz=8 kernel=10
+bad-field-offset: usb_ssp_cap_descriptor.wReserved/bmSublinkSpeedAttr: syz=10 kernel=12
+bad-field-size: usb_ssp_cap_descriptor.wReserved/bmSublinkSpeedAttr: syz=2 kernel=4
 no-such-struct: usb_hub_descriptor_hs
 no-such-struct: usb_hub_descriptor_ss
 no-such-struct: usb_endpoint_descriptor_hid_in

sys/linux/xattr.txt

@@ -126,7 +126,7 @@ signature_v2_hdr {
 	keyid		int32be
 	sig_size	bytesize[sig, int16be]
 	sig		array[int8]
-}
+} [packed]
 
 evm_xattr_type = EVM_IMA_XATTR_DIGSIG, EVM_XATTR_PORTABLE_DIGSIG
 
@@ -162,9 +162,9 @@ setxattr$trusted_overlay_nlink(path ptr[in, filename], name ptr[in, string["trus
 lsetxattr$trusted_overlay_nlink(path ptr[in, filename], name ptr[in, string["trusted.overlay.nlink"]], val ptr[in, xattr_overlay_nlink], size len[val], flags flags[setxattr_flags])
 fsetxattr$trusted_overlay_nlink(fd fd, name ptr[in, string["trusted.overlay.nlink"]], val ptr[in, xattr_overlay_nlink], size len[val], flags flags[setxattr_flags])
 
-setxattr$trusted_overlay_upper(path ptr[in, filename], name ptr[in, string["trusted.overlay.upper"]], val ptr[in, ovl_fh], size len[val], flags flags[setxattr_flags])
+setxattr$trusted_overlay_upper(path ptr[in, filename], name ptr[in, string["trusted.overlay.upper"]], val ptr[in, ovl_fb], size len[val], flags flags[setxattr_flags])
-lsetxattr$trusted_overlay_upper(path ptr[in, filename], name ptr[in, string["trusted.overlay.upper"]], val ptr[in, ovl_fh], size len[val], flags flags[setxattr_flags])
+lsetxattr$trusted_overlay_upper(path ptr[in, filename], name ptr[in, string["trusted.overlay.upper"]], val ptr[in, ovl_fb], size len[val], flags flags[setxattr_flags])
-fsetxattr$trusted_overlay_upper(fd fd, name ptr[in, string["trusted.overlay.upper"]], val ptr[in, ovl_fh], size len[val], flags flags[setxattr_flags])
+fsetxattr$trusted_overlay_upper(fd fd, name ptr[in, string["trusted.overlay.upper"]], val ptr[in, ovl_fb], size len[val], flags flags[setxattr_flags])
 
 xattr_overlay_nlink {
 	prefix	stringnoz[xattr_overlay_nlink_prefix]
@@ -173,11 +173,12 @@ xattr_overlay_nlink {
 
 xattr_overlay_nlink_prefix = "U+", "U-", "L+", "L-"
 
-ovl_fh {
+# TODO: do these attrs accept ovl_fb or ovl_fh?..
+ovl_fb {
 	version	const[0, int8]
 	magic	const[OVL_FH_MAGIC, int8]
 	len	bytesize[parent, int8]
-	flags	flags[ovl_fh_flags, int8]
+	flags	flags[ovl_fb_flags, int8]
 	type	int8
 	uuid	uuid_t
 	fid	array[int8]
@@ -185,4 +186,4 @@ ovl_fh {
 
 type uuid_t array[int8, UUID_SIZE]
 
-ovl_fh_flags = OVL_FH_FLAG_BIG_ENDIAN, OVL_FH_FLAG_ANY_ENDIAN, OVL_FH_FLAG_PATH_UPPER
+ovl_fb_flags = OVL_FH_FLAG_BIG_ENDIAN, OVL_FH_FLAG_ANY_ENDIAN, OVL_FH_FLAG_PATH_UPPER

tools/syz-check/check.go

@@ -92,6 +92,9 @@ func main() {
 
 func check(OS, arch, obj string, dwarf, netlink bool) ([]Warn, error) {
 	var warnings []Warn
+	if obj == "" {
+		return nil, fmt.Errorf("no object file in -obj-%v flag", arch)
+	}
 	structDescs, locs, warnings1, err := parseDescriptions(OS, arch)
 	if err != nil {
 		return nil, err
@@ -206,9 +209,6 @@ func checkImpl(structs map[string]*dwarf.StructType, structDescs []*prog.KeyedSt
 	checked := make(map[string]bool)
 	for _, str := range structDescs {
 		typ := str.Desc
-		if typ.Varlen() {
-			continue
-		}
 		if checked[typ.Name()] {
 			continue
 		}
@@ -234,14 +234,17 @@ func checkStruct(typ *prog.StructDesc, astStruct *ast.Struct, str *dwarf.StructT
 	}
 	name := typ.TemplateName()
 	if str == nil {
-		warn(astStruct.Pos, WarnNoSuchStruct, "%v", name)
+		// Varlen structs are frequently not described in kernel (not possible in C).
+		if !typ.Varlen() {
+			warn(astStruct.Pos, WarnNoSuchStruct, "%v", name)
+		}
 		return warnings, nil
 	}
-	if typ.Size() != uint64(str.ByteSize) {
+	if !typ.Varlen() && typ.Size() != uint64(str.ByteSize) {
 		warn(astStruct.Pos, WarnBadStructSize, "%v: syz=%v kernel=%v", name, typ.Size(), str.ByteSize)
 	}
 	// TODO: handle unions, currently we should report some false errors.
-	if str.Kind == "union" {
+	if str.Kind == "union" || astStruct.IsUnion {
 		return warnings, nil
 	}
 	// TODO: we could also check enums (elements match corresponding flags in syzkaller).
@@ -261,6 +264,10 @@ func checkStruct(typ *prog.StructDesc, astStruct *ast.Struct, str *dwarf.StructT
 	ai := 0
 	offset := uint64(0)
 	for _, field := range typ.Fields {
+		if field.Varlen() {
+			ai = len(str.Field)
+			break
+		}
 		if prog.IsPad(field) {
 			offset += field.Size()
 			continue