pkg/report: improve format of "locking bug" reports

2 files changed, 91 insertions, 0 deletions

diff --git a/pkg/report/testdata/linux/report/383 b/pkg/report/testdata/linux/report/383
new file mode 100644
index 000000000..d5c56d802
--- /dev/null
+++ b/pkg/report/testdata/linux/report/383
@@ -0,0 +1,44 @@
+TITLE: WARNING: locking bug in inet_autobind
+
+[ 2979.659060][ T4073] WARNING: CPU: 0 PID: 4073 at kernel/locking/lockdep.c:734 register_lock_class+0xe10/0x1860
+[ 2979.669279][ T4073] Kernel panic - not syncing: panic_on_warn set ...
+[ 2979.675885][ T4073] CPU: 0 PID: 4073 Comm: syz-executor.2 Not tainted 5.1.0+ #3
+[ 2979.683358][ T4073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[ 2979.693432][ T4073] Call Trace:
+[ 2979.696743][ T4073]  dump_stack+0x172/0x1f0
+[ 2979.706460][ T4073]  panic+0x2cb/0x65c
+[ 2979.736359][ T4073]  __warn.cold+0x20/0x45
+[ 2979.745989][ T4073]  report_bug+0x263/0x2b0
+[ 2979.750393][ T4073]  do_error_trap+0x11b/0x200
+[ 2979.755034][ T4073]  do_invalid_op+0x37/0x50
+[ 2979.764849][ T4073]  invalid_op+0x14/0x20
+[ 2979.769011][ T4073] RIP: 0010:register_lock_class+0xe10/0x1860
+[ 2979.774996][ T4073] Code: 00 48 89 da 4d 8b 76 c0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 23 07 00 00 4c 89 33 e9 e3 f4 ff ff 0f 0b <0f> 0b e9 ea f3 ff ff 44 89 e0 4c 8b 95 50 ff ff ff 83 c0 01 4c 8b
+[ 2979.794625][ T4073] RSP: 0018:ffff888071ed7928 EFLAGS: 00010083
+[ 2979.800705][ T4073] RAX: dffffc0000000000 RBX: ffff888086953820 RCX: 0000000000000000
+[ 2979.808687][ T4073] RDX: 1ffff11010d2a707 RSI: 0000000000000000 RDI: ffff888086953838
+[ 2979.816664][ T4073] RBP: ffff888071ed79f0 R08: 1ffff1100e3daf2d R09: ffffffff8a445c80
+[ 2979.824637][ T4073] R10: ffffffff8a0cf488 R11: 0000000000000000 R12: ffffffff8a10ecb0
+[ 2979.832620][ T4073] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87fd7c20
+[ 2979.855656][ T4073]  __lock_acquire+0x116/0x5490
+[ 2979.921668][ T4073]  reacquire_held_locks+0xfa/0x520
+[ 2979.940979][ T4073]  lock_release+0x3b9/0xa00
+[ 2979.955221][ T4073]  release_sock+0x183/0x1c0
+[ 2979.959746][ T4073]  inet_autobind+0x145/0x1a0
+[ 2979.964345][ T4073]  inet_dgram_connect+0x252/0x2e0
+[ 2979.969368][ T4073]  __sys_connect+0x266/0x330
+[ 2980.005523][ T3879] kobject: 'loop5' (00000000a628c021): kobject_uevent_env
+[ 2980.007358][ T4073]  __ia32_sys_connect+0x72/0xb0
+[ 2980.007374][ T4073]  do_fast_syscall_32+0x281/0xd54
+[ 2980.007397][ T4073]  entry_SYSENTER_compat+0x70/0x7f
+[ 2980.014624][ T3879] kobject: 'loop5' (00000000a628c021): fill_kobj_path: path = '/devices/virtual/block/loop5'
+[ 2980.019870][ T4073] RIP: 0023:0xf7fd4849
+[ 2980.019884][ T4073] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
+[ 2980.019891][ T4073] RSP: 002b:00000000f5dd00cc EFLAGS: 00000296 ORIG_RAX: 000000000000016a
+[ 2980.019902][ T4073] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000100
+[ 2980.019908][ T4073] RDX: 000000000000001c RSI: 0000000000000000 RDI: 0000000000000000
+[ 2980.019915][ T4073] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
+[ 2980.019920][ T4073] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
+[ 2980.019938][ T4073] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
+[ 2980.026178][ T4073] Kernel Offset: disabled
+[ 2980.127830][ T4073] Rebooting in 86400 seconds..
diff --git a/pkg/report/testdata/linux/report/384 b/pkg/report/testdata/linux/report/384
new file mode 100644
index 000000000..9697b1955
--- /dev/null
+++ b/pkg/report/testdata/linux/report/384
@@ -0,0 +1,47 @@
+TITLE: WARNING: locking bug in do_ipv6_setsockopt
+
+[ 1056.836267] WARNING: CPU: 0 PID: 25919 at kernel/locking/lockdep.c:704 register_lock_class+0xce6/0x2650
+[ 1056.845843] Kernel panic - not syncing: panic_on_warn set ...
+[ 1056.845843] 
+[ 1056.853235] CPU: 0 PID: 25919 Comm: syz-executor677 Not tainted 4.18.0-rc2+ #123
+[ 1056.860758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[ 1056.870278] Call Trace:
+[ 1056.872932]  dump_stack+0x1c9/0x2b4
+[ 1056.881749]  panic+0x238/0x4e7
+[ 1056.901866]  __warn.cold.8+0x163/0x1ba
+[ 1056.910409]  report_bug+0x252/0x2d0
+[ 1056.914063]  do_error_trap+0x1fc/0x4d0
+[ 1056.930922]  do_invalid_op+0x1b/0x20
+[ 1056.934702]  invalid_op+0x14/0x20
+[ 1056.938167] RIP: 0010:register_lock_class+0xce6/0x2650
+[ 1056.943447] Code: f9 ff ff 4c 89 ff 44 89 85 68 fc ff ff 89 8d 70 fc ff ff e8 cc 99 5b 00 44 8b 85 68 fc ff ff 8b 8d 70 fc ff ff e9 6f f9 ff ff <0f> 0b e9 c8 f6 ff ff 48 8d 50 01 48 89 15 28 22 22 09 48 8d 14 80 
+[ 1056.962595] RSP: 0018:ffff8801b0b7ee08 EFLAGS: 00010083
+[ 1056.967960] RAX: 0000000000000004 RBX: ffffffff8a5c01b0 RCX: 0000000000000000
+[ 1056.975244] RDX: ffffffff887db060 RSI: ffffffff886d1ee0 RDI: 1ffffffff154956c
+[ 1056.982513] RBP: ffff8801b0b7f210 R08: 0000000000000000 R09: dffffc0000000000
+[ 1056.989772] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff1003616fdd1
+[ 1056.997042] R13: 0000000000000003 R14: 0000000000000000 R15: ffff8801b81f7920
+[ 1057.078418]  __lock_acquire+0x1bd/0x5020
+[ 1057.146655]  lock_acquire+0x1e4/0x540
+[ 1057.172434]  _raw_spin_lock_bh+0x31/0x40
+[ 1057.180708]  lock_sock_nested+0x46/0x120
+[ 1057.184855]  do_ipv6_setsockopt.isra.9+0x5ba/0x4680
+[ 1057.285171]  ipv6_setsockopt+0xbd/0x170
+[ 1057.293306]  udpv6_setsockopt+0x62/0xa0
+[ 1057.297280]  sock_common_setsockopt+0x9a/0xe0
+[ 1057.301822]  __sys_setsockopt+0x1c5/0x3b0
+[ 1057.318440]  __x64_sys_setsockopt+0xbe/0x150
+[ 1057.327855]  do_syscall_64+0x1b9/0x820
+[ 1057.351808]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[ 1057.356999] RIP: 0033:0x447c59
+[ 1057.360810] Code: e8 bc bd 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00 
+[ 1057.379923] RSP: 002b:00007f4e66aa9db8 EFLAGS: 00000297 ORIG_RAX: 0000000000000036
+[ 1057.387641] RAX: ffffffffffffffda RBX: 00000000006e39fc RCX: 0000000000447c59
+[ 1057.394895] RDX: 0000000000000037 RSI: 0000000000000029 RDI: 0000000000000006
+[ 1057.402164] RBP: 00000000006e39f8 R08: 0000000000000010 R09: 0000000000000000
+[ 1057.409431] R10: 0000000020000000 R11: 0000000000000297 R12: 0000000000000000
+[ 1057.416689] R13: 00007ffcd170ce8f R14: 00007f4e66aaa9c0 R15: 0000000000000008
+[ 1057.424756] Dumping ftrace buffer:
+[ 1057.428278]    (ftrace buffer empty)
+[ 1057.431980] Kernel Offset: disabled
+[ 1057.435714] Rebooting in 86400 seconds..