Dmitry Vyukov dfb91eacc4 pkg/ipc: fix potential nil deref ... We've got the following crash: panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x7d30ba] goroutine 75 [running]: github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc000c68cb0, 0xc0001a4d20, 0xc00147a000, 0x1f28, 0x200000, 0x0, 0x0, 0xc00170a000, 0x1000000, 0x1000000, ...) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:783 +0x7ca github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc0002de240, 0xc0001a4d20, 0xc016c2f440, 0x11, 0xc00019c7e0, 0x40, 0x1, 0xc016b6f590, 0x30, 0xc01615cc40) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:280 +0x104 main.(*Proc).executeRaw(0xc0012a45c0, 0xc0001a4d20, 0xc016c2f440, 0x1, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:292 +0x1f3 main.(*Proc).execute(0xc0012a45c0, 0xc0001a4d20, 0xc016c2f440, 0x0, 0x1, 0x1) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x6a main.(*Proc).loop(0xc0012a45c0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:101 +0x4df created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:259 +0x1153 err can be nil even if hang=true in case of a narrow race: we decided to kill the process, but it finished successfully meanwhile.		2019-11-26 14:16:57 +01:00
..
ipcconfig	pkg/ipc: move target characteristics out of config flags	2019-11-16 09:58:54 +01:00
gate.go	pkg/ipc: move from ipc	2017-06-17 14:41:15 +02:00
ipc_test.go	pkg/ipc: move target characteristics out of config flags	2019-11-16 09:58:54 +01:00
ipc.go	pkg/ipc: fix potential nil deref	2019-11-26 14:16:57 +01:00