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pkg/report: fix __this_cpu_* report header call trace capture

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This commit is contained in:
Andrey Konovalov 2017-12-12 19:50:36 +01:00 committed by Andrey Konovalov
parent ce7f2399c4
commit 06ea774dca
3 changed files with 34 additions and 4 deletions
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6
pkg/report/linux.go
View File

@ -575,7 +575,7 @@ var linuxOopses = []*oops{
fmt: "BUG: sleeping function called from invalid context %[1]v",
},
{
title: compile("BUG: using __this_cpu_([a-z_]+)\\(\\) in preemptible .*(?:.*\\n){0,30}Call Trace:\\n" + stacktraceRe("dump_stack", "preemption", "preempt")),
title: compile("BUG: using __this_cpu_([a-z_]+)\\(\\) in preemptible .*(?:.*\\n){0,20}?Call Trace:\\n" + stacktraceRe("dump_stack", "preemption", "preempt")),
fmt: "BUG: using __this_cpu_%[1]v() in preemptible code in %[2]v",
},
{
@ -728,7 +728,7 @@ var linuxOopses = []*oops{
fmt: "INFO: rcu detected stall",
},
{
title: compile("INFO: trying to register non-static key(?:.*\\n){0,10}Call Trace:\\n" + stacktraceRe("stack", "lock", "IRQ")),
title: compile("INFO: trying to register non-static key(?:.*\\n){0,20}?Call Trace:\\n" + stacktraceRe("stack", "lock", "IRQ")),
fmt: "INFO: trying to register non-static key in %[1]v",
},
{
@ -745,7 +745,7 @@ var linuxOopses = []*oops{
corrupted: true,
},
{
title: compile("INFO: task .* blocked for more than [0-9]+ seconds(?:.*\\n){0,10}Call Trace:\\n" + stacktraceRe("sched", "_lock", "completion", "kthread")),
title: compile("INFO: task .* blocked for more than [0-9]+ seconds(?:.*\\n){0,20}?Call Trace:\\n" + stacktraceRe("sched", "_lock", "completion", "kthread")),
fmt: "INFO: task hung in %[1]v",
},
{

2
pkg/report/report_test.go
View File

@ -138,7 +138,7 @@ func testParseImpl(t *testing.T, reporter Reporter, test *ParseTest) {
t.Fatalf("report is incorrectly marked as corrupted")
}
if !corrupted && test.Corrupted {
t.Fatalf("failed to mark report as corrupted")
t.Fatalf("failed to mark report '%s' as corrupted", title)
}
if rep != nil {
if test.HasReport && !bytes.Equal(rep.Report, test.Report) {

30
pkg/report/testdata/linux/report/135 vendored Normal file
View File

@ -0,0 +1,30 @@
TITLE: BUG: using __this_cpu_read() in preemptible code in ipcomp_init_state
[ 177.880417] BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor6/27031
[ 177.889042] caller is __this_cpu_preempt_check+0x13/0x20
[ 177.894472] CPU: 0 PID: 27031 Comm: syz-executor6 Not tainted 4.4.105-ge303a83 #5
[ 177.902067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 177.911395] 0000000000000000 b8d1e2d1adfb9027 ffff8800b8bd76b8 ffffffff81cc9b4f
[ 177.919376] 0000000000000000 ffffffff839fd4a0 ffff8800b8bd76f8 ffffffff81d28d58
[ 177.927362] ffffffff83d093a0 ffff8800b54fe980 dffffc0000000000 ffffffff83cff4e0
[ 177.935373] Call Trace:
[ 177.937937] [<ffffffff81cc9b4f>] dump_stack+0x8e/0xcf
[ 177.943193] [<ffffffff81d28d58>] check_preemption_disabled+0x1b8/0x1f0
[ 177.949927] [<ffffffff81d28dc3>] __this_cpu_preempt_check+0x13/0x20
[ 177.956394] [<ffffffff832a4598>] ipcomp_init_state+0x168/0x8e0
[ 177.962431] [<ffffffff83206e7e>] ipcomp4_init_state+0x9e/0x840
...
[ 178.145972] [<ffffffff82d9790d>] SyS_sendmsg+0xd/0x20
[ 178.151212] [<ffffffff8374ab36>] entry_SYSCALL_64_fastpath+0x16/0x76
[ 179.050698] FAULT_FLAG_ALLOW_RETRY missing 30
[ 179.055286] FAULT_FLAG_ALLOW_RETRY missing 30
[ 179.068541] CPU: 0 PID: 27437 Comm: syz-executor2 Not tainted 4.4.105-ge303a83 #5
[ 179.076171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 179.085503] 0000000000000000 eea7e857f9d96285 ffff8801d6267980 ffffffff81cc9b4f
[ 179.093510] 1ffff1003ac4cf3b 0000000000000030 ffff8801d6267b20 ffffffff815db71b
[ 179.101505] ffff8800b901a320 ffff8800b901a320 ffff8800b901a320 ffff8801d6267af8
[ 179.109501] Call Trace:
[ 179.112067] [<ffffffff81cc9b4f>] dump_stack+0x8e/0xcf
[ 179.117323] [<ffffffff815db71b>] handle_userfault+0x75b/0x1570
...
[ 179.219186] [<ffffffff8374ab36>] entry_SYSCALL_64_fastpath+0x16/0x76