pkg/report: skip rb tree functions in linux reports

RB tree is just a container (like list we already skip),
the bug is usually in the caller. Skip RB frames.
The new titles are much more informative and have lower chances of collisions.

10 files changed, 475 insertions, 0 deletions

diff --git a/pkg/report/testdata/linux/report/510 b/pkg/report/testdata/linux/report/510
new file mode 100644
index 000000000..d4e9c4c1b
--- /dev/null
+++ b/pkg/report/testdata/linux/report/510
@@ -0,0 +1,39 @@
+TITLE: general protection fault in __kernfs_remove
+
+[ 1703.516227][ T2809] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
+[ 1703.528051][ T2809] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
+[ 1703.536428][ T2809] CPU: 0 PID: 2809 Comm: kworker/u4:2 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0
+[ 1703.546018][ T2809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[ 1703.556139][ T2809] Workqueue: netns cleanup_net
+[ 1703.560876][ T2809] RIP: 0010:rb_erase+0xb7/0x1210
+[ 1703.565782][ T2809] Code: 5e 10 4c 89 f5 48 ba 00 00 00 00 00 fc ff df 48 85 db 75 0b e9 9f 04 00 00 48 89 dd 48 89 c3 4c 8d 63 10 4c 89 e0 48 c1 e8 03 <80> 3c 10 00 0f 85 f3 0b 00 00 48 8b 43 10 48 85 c0 75 dc 48 8d 7b
+[ 1703.585480][ T2809] RSP: 0018:ffffc90017aff6c8 EFLAGS: 00010202
+[ 1703.591513][ T2809] RAX: 0000000000000002 RBX: 0000000000000001 RCX: 1ffff11000022949
+[ 1703.599456][ T2809] RDX: dffffc0000000000 RSI: ffff888000114e08 RDI: ffff888000114a48
+[ 1703.607397][ T2809] RBP: ffff888000110000 R08: 0000000000000000 R09: ffffffff89cdc267
+[ 1703.615340][ T2809] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000011
+[ 1703.623281][ T2809] R13: ffff888000114c08 R14: ffff888000114a38 R15: ffff888000114e08
+[ 1703.631224][ T2809] FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
+[ 1703.640121][ T2809] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[ 1703.646673][ T2809] CR2: 0000000000caa008 CR3: 00000000a7aa1000 CR4: 00000000001506f0
+[ 1703.654727][ T2809] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[ 1703.662682][ T2809] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[ 1703.670623][ T2809] Call Trace:
+[ 1703.679403][ T2809]  __kernfs_remove+0x623/0xa30
+[ 1703.705851][ T2809]  kernfs_remove_by_name_ns+0x51/0xb0
+[ 1703.711191][ T2809]  remove_files+0x96/0x1c0
+[ 1703.715580][ T2809]  sysfs_remove_group+0x87/0x170
+[ 1703.720486][ T2809]  sysfs_remove_groups+0x5c/0xa0
+[ 1703.725509][ T2809]  device_remove_attrs+0xa9/0x150
+[ 1703.730505][ T2809]  device_del+0x474/0xd20
+[ 1703.746949][ T2809]  rollback_registered_many+0xa07/0xf60
+[ 1703.778840][ T2809]  unregister_netdevice_many.part.0+0x1a/0x2f0
+[ 1703.784966][ T2809]  default_device_exit_batch+0x30c/0x3d0
+[ 1703.817287][ T2809]  ops_exit_list+0x10d/0x160
+[ 1703.821846][ T2809]  cleanup_net+0x4ea/0xa00
+[ 1703.841043][ T2809]  process_one_work+0x94c/0x1670
+[ 1703.866117][ T2809]  worker_thread+0x64c/0x1120
+[ 1703.880928][ T2809]  kthread+0x3b5/0x4a0
+[ 1703.895136][ T2809]  ret_from_fork+0x1f/0x30
+[ 1703.899519][ T2809] Modules linked in:
+[ 1703.904874][ T2809] ---[ end trace 85e16a2eaea866a0 ]---
diff --git a/pkg/report/testdata/linux/report/511 b/pkg/report/testdata/linux/report/511
new file mode 100644
index 000000000..a30a3a2a4
--- /dev/null
+++ b/pkg/report/testdata/linux/report/511
@@ -0,0 +1,55 @@
+TITLE: KASAN: use-after-free Write in bpf_prog_kallsyms_del
+
+[  284.023898] ==================================================================
+[  284.031579] BUG: KASAN: use-after-free in rb_erase+0x26d0/0x3710
+[  284.037735] Write of size 8 at addr ffff8801d816bcf0 by task syz-executor5/19158
+[  284.045291] 
+[  284.046968] CPU: 0 PID: 19158 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #144
+[  284.054332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  284.063684] Call Trace:
+[  284.063772]  dump_stack+0x244/0x39d
+[  284.070274]  print_address_description.cold.7+0x9/0x1ff
+[  284.070310]  kasan_report.cold.8+0x242/0x309
+[  284.093317]  __asan_report_store8_noabort+0x17/0x20
+[  284.093332]  rb_erase+0x26d0/0x3710
+[  284.372639]  bpf_prog_kallsyms_del+0x1c2/0x410
+[  284.418562]  bpf_prog_kallsyms_del_all+0x1d/0x20
+[  284.423322]  __bpf_prog_put+0xe0/0x150
+[  284.427217]  bpf_prog_test_run+0x145/0x1a0
+[  284.431474] BUG: unable to handle kernel paging request at ffffc90001953030
+[  284.438566] PGD 1da95a067 P4D 1da95a067 PUD 1da95b067 PMD 1d41ad067 PTE 0
+[  284.445509] Oops: 0000 [#1] PREEMPT SMP KASAN
+[  284.450002] CPU: 0 PID: 19158 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #144
+[  284.457355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  284.466715] RIP: 0010:bpf_prog_kallsyms_find+0x289/0x4a0
+[  284.472169] Code: 03 42 80 3c 30 00 0f 85 b1 01 00 00 4d 8b 6f 50 49 8d 7d 30 48 89 fa 48 c1 ea 03 42 80 3c 32 00 0f 85 ab 01 00 00 49 8d 7d 02 <4d> 8b 65 30 48 89 fa 48 89 f9 48 c1 ea 03 83 e1 07 42 0f b6 14 32
+[  284.491069] RSP: 0018:ffff8801d309edc8 EFLAGS: 00010046
+[  284.496429] RAX: 0000000000000000 RBX: ffff8801d816bd08 RCX: ffffffff818c0a21
+[  284.503699] RDX: 1ffff9200032a606 RSI: 0000000000000008 RDI: ffffc90001953002
+[  284.510972] RBP: ffff8801d309ef40 R08: ffff880196284540 R09: ffffed003b5c5b67
+[  284.518241] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff1003a613ddb
+[  284.525514] R13: ffffc90001953000 R14: dffffc0000000000 R15: ffff8801d816bcf0
+[  284.532784] FS:  00007f32b4635700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
+[  284.541010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  284.547091] CR2: ffffc90001953030 CR3: 00000001c1c3c000 CR4: 00000000001406f0
+[  284.554367] DR0: 0000000000000000 DR1: 0000000020000000 DR2: 0000000000000000
+[  284.561635] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
+[  284.568903] Call Trace:
+[  284.571510] BUG: unable to handle kernel paging request at ffffc90001953030
+[  284.578601] PGD 1da95a067 P4D 1da95a067 PUD 1da95b067 PMD 1d41ad067 PTE 0
+[  284.585543] Oops: 0000 [#2] PREEMPT SMP KASAN
+[  284.590036] CPU: 0 PID: 19158 Comm: syz-executor5 Not tainted 4.20.0-rc1+ #144
+[  284.597391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  284.606758] RIP: 0010:bpf_prog_kallsyms_find+0x289/0x4a0
+[  284.612214] Code: 03 42 80 3c 30 00 0f 85 b1 01 00 00 4d 8b 6f 50 49 8d 7d 30 48 89 fa 48 c1 ea 03 42 80 3c 32 00 0f 85 ab 01 00 00 49 8d 7d 02 <4d> 8b 65 30 48 89 fa 48 89 f9 48 c1 ea 03 83 e1 07 42 0f b6 14 32
+[  284.631116] RSP: 0018:ffff8801d309e6d8 EFLAGS: 00010046
+[  284.636478] RAX: 0000000000000000 RBX: ffff8801d816bd08 RCX: ffffffff818c0a21
+[  284.643743] RDX: 1ffff9200032a606 RSI: 0000000000000008 RDI: ffffc90001953002
+[  284.651013] RBP: ffff8801d309e850 R08: ffff880196284540 R09: 0000000000000001
+[  284.658280] R10: ffffed003b5c5b67 R11: ffff880196284540 R12: 1ffff1003a613cfd
+[  284.665548] R13: ffffc90001953000 R14: dffffc0000000000 R15: ffff8801d816bcf0
+[  284.672817] FS:  00007f32b4635700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
+[  284.681188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  284.687071] CR2: ffffc90001953030 CR3: 00000001c1c3c000 CR4: 00000000001406f0
+[  284.694340] DR0: 0000000000000000 DR1: 0000000020000000 DR2: 0000000000000000
+[  284.701610] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
diff --git a/pkg/report/testdata/linux/report/512 b/pkg/report/testdata/linux/report/512
new file mode 100644
index 000000000..6ee9720ba
--- /dev/null
+++ b/pkg/report/testdata/linux/report/512
@@ -0,0 +1,52 @@
+TITLE: general protection fault in dup_mm
+
+[ 1959.698473][ T6611] general protection fault, probably for non-canonical address 0xdffffc0002c3fefa: 0000 [#1] PREEMPT SMP KASAN
+[ 1959.710215][ T6611] KASAN: probably user-memory-access in range [0x00000000161ff7d0-0x00000000161ff7d7]
+[ 1959.719750][ T6611] CPU: 1 PID: 6611 Comm: syz-executor.0 Not tainted 5.9.0-rc4-syzkaller #0
+[ 1959.728328][ T6611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[ 1959.738399][ T6611] RIP: 0010:__rb_insert_augmented+0x99/0x8b0
+[ 1959.744379][ T6611] Code: c2 48 c1 ea 03 42 80 3c 2a 00 0f 85 58 05 00 00 4d 8b 74 24 08 49 39 ee 0f 84 76 01 00 00 4d 85 f6 74 1c 4c 89 f2 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 64 05 00 00 41 f6 06 01 0f 84 7d 04 00 00 4c
+[ 1959.763976][ T6611] RSP: 0018:ffffc900197c7990 EFLAGS: 00010206
+[ 1959.770038][ T6611] RAX: ffff8880871db648 RBX: ffff88809e323f08 RCX: 1ffff1100275ae4d
+[ 1959.778006][ T6611] RDX: 0000000002c3fefa RSI: ffff8880871db648 RDI: ffff888013ad7268
+[ 1959.785975][ T6611] RBP: ffff88809f340058 R08: ffff8880001088e0 R09: ffff8880871db667
+[ 1959.793938][ T6611] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880001088d8
+[ 1959.801903][ T6611] R13: dffffc0000000000 R14: 00000000161ff7d0 R15: ffffffff81a1fcc0
+[ 1959.809876][ T6611] FS:  00007f2d5064e700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
+[ 1959.818800][ T6611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[ 1959.825373][ T6611] CR2: 0000001b3022b000 CR3: 0000000203e42000 CR4: 00000000001526e0
+[ 1959.833344][ T6611] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[ 1959.841308][ T6611] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[ 1959.849271][ T6611] Call Trace:
+[ 1959.858813][ T6611]  dup_mm+0x70b/0x1300
+[ 1959.873010][ T6611]  copy_process+0x28e4/0x6920
+[ 1959.897027][ T6611]  _do_fork+0xe8/0xb10
+[ 1959.927626][ T6611]  __do_sys_clone3+0x1dd/0x320
+[ 1959.969443][ T6611]  do_syscall_64+0x2d/0x70
+[ 1959.973912][ T6611]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
+[ 1959.979788][ T6611] RIP: 0033:0x45d5f9
+[ 1959.983668][ T6611] Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
+[ 1960.003251][ T6611] RSP: 002b:00007f2d5064dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
+[ 1960.011661][ T6611] RAX: ffffffffffffffda RBX: 0000000000002000 RCX: 000000000045d5f9
+[ 1960.019612][ T6611] RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000020001680
+[ 1960.027560][ T6611] RBP: 000000000118d158 R08: 0000000000000000 R09: 0000000000000000
+[ 1960.035514][ T6611] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118d12c
+[ 1960.043483][ T6611] R13: 000000000169fb6f R14: 00007f2d5064e9c0 R15: 000000000118d12c
+[ 1960.051525][ T6611] Modules linked in:
+[ 1960.222582][ T6611] ---[ end trace e207d768dd5f78dc ]---
+[ 1960.228124][ T6611] RIP: 0010:__rb_insert_augmented+0x99/0x8b0
+[ 1960.235510][ T6611] Code: c2 48 c1 ea 03 42 80 3c 2a 00 0f 85 58 05 00 00 4d 8b 74 24 08 49 39 ee 0f 84 76 01 00 00 4d 85 f6 74 1c 4c 89 f2 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 64 05 00 00 41 f6 06 01 0f 84 7d 04 00 00 4c
+[ 1960.257456][ T6611] RSP: 0018:ffffc900197c7990 EFLAGS: 00010206
+[ 1960.264558][ T6611] RAX: ffff8880871db648 RBX: ffff88809e323f08 RCX: 1ffff1100275ae4d
+[ 1960.276120][ T6611] RDX: 0000000002c3fefa RSI: ffff8880871db648 RDI: ffff888013ad7268
+[ 1960.284586][ T6611] RBP: ffff88809f340058 R08: ffff8880001088e0 R09: ffff8880871db667
+[ 1960.294864][ T6611] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880001088d8
+[ 1960.303233][ T6611] R13: dffffc0000000000 R14: 00000000161ff7d0 R15: ffffffff81a1fcc0
+[ 1960.311856][ T6611] FS:  00007f2d5064e700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
+[ 1960.321113][ T6611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[ 1960.327717][ T6611] CR2: 0000000000000000 CR3: 0000000203e42000 CR4: 00000000001526e0
+[ 1960.337795][ T6611] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[ 1960.346918][ T6611] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[ 1960.356353][ T6611] Kernel panic - not syncing: Fatal exception
+[ 1960.363633][ T6611] Kernel Offset: disabled
+[ 1960.367946][ T6611] Rebooting in 86400 seconds..
diff --git a/pkg/report/testdata/linux/report/513 b/pkg/report/testdata/linux/report/513
new file mode 100644
index 000000000..b24f5b918
--- /dev/null
+++ b/pkg/report/testdata/linux/report/513
@@ -0,0 +1,81 @@
+TITLE: general protection fault in integrity_inode_free
+
+[   36.583433] kasan: GPF could be caused by NULL-ptr deref or user memory access
+[   36.590897] general protection fault: 0000 [#1] PREEMPT SMP KASAN
+[   36.597137] CPU: 1 PID: 5376 Comm: syz-executor171 Not tainted 4.19.0+ #301
+[   36.604221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[   36.613579] RIP: 0010:rb_erase+0x306/0x3710
+[   36.617891] Code: c7 81 28 01 00 00 f2 f2 f2 f2 c7 81 2c 01 00 00 00 f2 f2 f2 48 89 f9 65 48 8b 1c 25 28 00 00 00 48 89 5d d0 31 db 48 c1 e9 03 <42> 80 3c 01 00 0f 85 41 1c 00 00 4c 8d 48 10 4c 8b 78 08 48 b9 00
+[   36.636814] RSP: 0018:ffff8801ccf76918 EFLAGS: 00010202
+[   36.642164] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
+[   36.649417] RDX: 1ffff100399eed2b RSI: ffffffff8af92020 RDI: 0000000000000008
+[   36.656670] RBP: ffff8801ccf77320 R08: dffffc0000000000 R09: ffffed00399eee53
+[   36.663939] R10: ffffed00399eee53 R11: 0000000000000003 R12: ffff8801b738e970
+[   36.671193] R13: dffffc0000000000 R14: ffff8801ccf772f8 R15: ffff8801ccf77438
+[   36.678447] FS:  0000000001470880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
+[   36.686655] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[   36.692517] CR2: 00000000200000c0 CR3: 00000001d9758000 CR4: 00000000001406e0
+[   36.699770] Call Trace:
+[   36.903531]  integrity_inode_free+0x12f/0x320
+[   36.908012]  security_inode_free+0x19/0x90
+[   36.912242]  __destroy_inode+0x328/0x820
+[   36.932871]  destroy_inode+0xda/0x200
+[   36.940885]  evict+0x5e0/0x980
+[   36.968583]  iput+0x679/0xa90
+[   36.998602]  ext4_ioctl+0x236f/0x4210
+[   36.999678] kobject: 'regulatory.0' (00000000223ee51a): kobject_uevent_env
+[   37.009422] kobject: 'regulatory.0' (00000000223ee51a): fill_kobj_path: path = '/devices/platform/regulatory.0'
+[   37.151191]  do_vfs_ioctl+0x1de/0x1720
+[   37.211187]  ksys_ioctl+0xa9/0xd0
+[   37.214643]  __x64_sys_ioctl+0x73/0xb0
+[   37.218528]  do_syscall_64+0x1b9/0x820
+[   37.257532]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[   37.262716] RIP: 0033:0x440019
+[   37.265950] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
+[   37.284848] RSP: 002b:00007ffe8fee3478 EFLAGS: 00000213 ORIG_RAX: 0000000000000010
+[   37.292568] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440019
+[   37.299851] RDX: 0000000000440019 RSI: 0000000000006611 RDI: 0000000000000003
+[   37.307119] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8
+[   37.314384] R10: 0000000000000000 R11: 0000000000000213 R12: 00000000004018a0
+[   37.321649] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000
+[   37.328920] Modules linked in:
+[   37.332245] ---[ end trace 49b6e5e5800906ef ]---[   36.583433] kasan: GPF could be caused by NULL-ptr deref or user memory access
+[   36.590897] general protection fault: 0000 [#1] PREEMPT SMP KASAN
+[   36.597137] CPU: 1 PID: 5376 Comm: syz-executor171 Not tainted 4.19.0+ #301
+[   36.604221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[   36.613579] RIP: 0010:rb_erase+0x306/0x3710
+[   36.617891] Code: c7 81 28 01 00 00 f2 f2 f2 f2 c7 81 2c 01 00 00 00 f2 f2 f2 48 89 f9 65 48 8b 1c 25 28 00 00 00 48 89 5d d0 31 db 48 c1 e9 03 <42> 80 3c 01 00 0f 85 41 1c 00 00 4c 8d 48 10 4c 8b 78 08 48 b9 00
+[   36.636814] RSP: 0018:ffff8801ccf76918 EFLAGS: 00010202
+[   36.642164] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
+[   36.649417] RDX: 1ffff100399eed2b RSI: ffffffff8af92020 RDI: 0000000000000008
+[   36.656670] RBP: ffff8801ccf77320 R08: dffffc0000000000 R09: ffffed00399eee53
+[   36.663939] R10: ffffed00399eee53 R11: 0000000000000003 R12: ffff8801b738e970
+[   36.671193] R13: dffffc0000000000 R14: ffff8801ccf772f8 R15: ffff8801ccf77438
+[   36.678447] FS:  0000000001470880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
+[   36.686655] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[   36.692517] CR2: 00000000200000c0 CR3: 00000001d9758000 CR4: 00000000001406e0
+[   36.699770] Call Trace:
+[   36.903531]  integrity_inode_free+0x12f/0x320
+[   36.908012]  security_inode_free+0x19/0x90
+[   36.912242]  __destroy_inode+0x328/0x820
+[   36.932871]  destroy_inode+0xda/0x200
+[   36.940885]  evict+0x5e0/0x980
+[   36.968583]  iput+0x679/0xa90
+[   36.998602]  ext4_ioctl+0x236f/0x4210
+[   36.999678] kobject: 'regulatory.0' (00000000223ee51a): kobject_uevent_env
+[   37.009422] kobject: 'regulatory.0' (00000000223ee51a): fill_kobj_path: path = '/devices/platform/regulatory.0'
+[   37.151191]  do_vfs_ioctl+0x1de/0x1720
+[   37.211187]  ksys_ioctl+0xa9/0xd0
+[   37.214643]  __x64_sys_ioctl+0x73/0xb0
+[   37.218528]  do_syscall_64+0x1b9/0x820
+[   37.257532]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[   37.262716] RIP: 0033:0x440019
+[   37.265950] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
+[   37.284848] RSP: 002b:00007ffe8fee3478 EFLAGS: 00000213 ORIG_RAX: 0000000000000010
+[   37.292568] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440019
+[   37.299851] RDX: 0000000000440019 RSI: 0000000000006611 RDI: 0000000000000003
+[   37.307119] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8
+[   37.314384] R10: 0000000000000000 R11: 0000000000000213 R12: 00000000004018a0
+[   37.321649] R13: 0000000000401930 R14: 0000000000000000 R15: 0000000000000000
+[   37.328920] Modules linked in:
+[   37.332245] ---[ end trace 49b6e5e5800906ef ]---
diff --git a/pkg/report/testdata/linux/report/514 b/pkg/report/testdata/linux/report/514
new file mode 100644
index 000000000..eb0fb19c2
--- /dev/null
+++ b/pkg/report/testdata/linux/report/514
@@ -0,0 +1,47 @@
+TITLE: general protection fault in fq_reset
+
+[ 1503.551672][T10069] general protection fault, probably for non-canonical address 0xdffffc000eeeeef0: 0000 [#1] PREEMPT SMP KASAN
+[ 1503.563429][T10069] KASAN: probably user-memory-access in range [0x0000000077777780-0x0000000077777787]
+[ 1503.572988][T10069] CPU: 1 PID: 10069 Comm: syz-executor.5 Not tainted 5.9.0-rc3-next-20200903-syzkaller #0
+[ 1503.582895][T10069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[ 1503.593220][T10069] RIP: 0010:rb_first+0x3e/0x80
+[ 1503.598026][T10069] Code: ec 08 80 3c 02 00 75 46 48 bb 00 00 00 00 00 fc ff df 48 8b 07 48 85 c0 75 05 eb 1d 48 89 d0 48 8d 78 10 48 89 fa 48 c1 ea 03 <80> 3c 1a 00 75 0f 48 8b 50 10 48 85 d2 75 e3 48 83 c4 08 5b c3 48
+[ 1503.617646][T10069] RSP: 0018:ffffc900088ef2a8 EFLAGS: 00010207
+[ 1503.623740][T10069] RAX: 0000000077777777 RBX: dffffc0000000000 RCX: ffffc90014116000
+[ 1503.631753][T10069] RDX: 000000000eeeeef0 RSI: ffffffff866ff2e6 RDI: 0000000077777787
+[ 1503.639730][T10069] RBP: 0000000000000400 R08: 0000000000000000 R09: ffffffff8abcb60f
+[ 1503.647714][T10069] R10: 000000000000004f R11: 0000000000000001 R12: 000000000000004f
+[ 1503.655692][T10069] R13: ffff8880a4383000 R14: ffff8880a43833b9 R15: 0000000000000000
+[ 1503.663680][T10069] FS:  00007f3dccabe700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
+[ 1503.672708][T10069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[ 1503.679305][T10069] CR2: 00000000004e0e70 CR3: 00000002174c6000 CR4: 00000000001526e0
+[ 1503.687315][T10069] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[ 1503.695318][T10069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[ 1503.703290][T10069] Call Trace:
+[ 1503.711386][T10069]  fq_reset+0x18e/0x3d0
+[ 1503.720291][T10069]  qdisc_reset+0xd9/0x790
+[ 1503.724627][T10069]  dev_deactivate_queue+0x1a0/0x270
+[ 1503.729882][T10069]  dev_deactivate_many+0xec/0x950
+[ 1503.734924][T10069]  dev_deactivate+0xef/0x1c0
+[ 1503.744882][T10069]  qdisc_graft+0xdc1/0x1240
+[ 1503.768191][T10069]  tc_modify_qdisc+0xb4b/0x1990
+[ 1503.792947][T10069]  rtnetlink_rcv_msg+0x44e/0xad0
+[ 1503.813399][T10069]  netlink_rcv_skb+0x15a/0x430
+[ 1503.828256][T10069]  netlink_unicast+0x533/0x7d0
+[ 1503.858420][T10069]  netlink_sendmsg+0x856/0xd90
+[ 1503.878458][T10069]  sock_sendmsg+0xcf/0x120
+[ 1503.882912][T10069]  ____sys_sendmsg+0x6e8/0x810
+[ 1503.902997][T10069]  ___sys_sendmsg+0xf3/0x170
+[ 1503.936522][T10069]  __sys_sendmsg+0xe5/0x1b0
+[ 1503.957279][T10069]  do_syscall_64+0x2d/0x70
+[ 1503.961700][T10069]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
+[ 1503.967592][T10069] RIP: 0033:0x45d5b9
+[ 1503.971509][T10069] Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
+[ 1503.991124][T10069] RSP: 002b:00007f3dccabdc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
+[ 1503.999546][T10069] RAX: ffffffffffffffda RBX: 000000000002cec0 RCX: 000000000045d5b9
+[ 1504.007523][T10069] RDX: 0000000000000000 RSI: 0000000020000380 RDI: 0000000000000005
+[ 1504.015504][T10069] RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000
+[ 1504.023491][T10069] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
+[ 1504.031481][T10069] R13: 00007ffc5fdefb8f R14: 00007f3dccabe9c0 R15: 000000000118cf4c
+[ 1504.039472][T10069] Modules linked in:
+[ 1504.043524][T10069] ---[ end trace f9b9302ffd13ee75 ]---
diff --git a/pkg/report/testdata/linux/report/515 b/pkg/report/testdata/linux/report/515
new file mode 100644
index 000000000..935a9a272
--- /dev/null
+++ b/pkg/report/testdata/linux/report/515
@@ -0,0 +1,46 @@
+TITLE: BUG: unable to handle kernel paging request in nfsd_reply_cache_free_locked
+
+[ 1261.886878][ T8682] BUG: unable to handle page fault for address: ffff887ffffffff0
+[ 1261.894638][ T8682] #PF: supervisor read access in kernel mode
+[ 1261.900641][ T8682] #PF: error_code(0x0000) - not-present page
+[ 1261.906619][ T8682] PGD 0 P4D 0 
+[ 1261.910023][ T8682] Oops: 0000 [#1] PREEMPT SMP KASAN
+[ 1261.915219][ T8682] CPU: 1 PID: 8682 Comm: syz-executor.3 Not tainted 5.7.0-rc5-syzkaller #0
+[ 1261.924432][ T8682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[ 1261.934612][ T8682] RIP: 0010:rb_erase+0x37/0x18d0
+[ 1261.939554][ T8682] Code: 89 f7 41 56 41 55 49 89 fd 48 83 c7 08 48 89 fa 41 54 48 c1 ea 03 55 53 48 83 ec 18 80 3c 02 00 0f 85 89 10 00 00 49 8d 7d 10 <4d> 8b 75 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80
+[ 1261.959271][ T8682] RSP: 0018:ffffc900178ffb58 EFLAGS: 00010246
+[ 1261.965338][ T8682] RAX: dffffc0000000000 RBX: ffff8880354d0000 RCX: ffffc9000fb6d000
+[ 1261.973306][ T8682] RDX: 1ffff10ffffffffe RSI: ffff88800011dfe0 RDI: ffff887ffffffff8
+[ 1261.981275][ T8682] RBP: ffff887fffffffb0 R08: ffff888057284280 R09: fffffbfff185d12e
+[ 1261.989539][ T8682] R10: ffffffff8c2e896f R11: fffffbfff185d12d R12: ffff88800011dfe0
+[ 1261.997507][ T8682] R13: ffff887fffffffe8 R14: 000000000001dfe0 R15: ffff88800011dfe0
+[ 1262.005477][ T8682] FS:  00007fa002d21700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
+[ 1262.014487][ T8682] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[ 1262.021065][ T8682] CR2: ffff887ffffffff0 CR3: 00000000a2164000 CR4: 00000000001426e0
+[ 1262.029036][ T8682] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[ 1262.037003][ T8682] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[ 1262.044970][ T8682] Call Trace:
+[ 1262.053686][ T8682]  nfsd_reply_cache_free_locked+0x198/0x380
+[ 1262.059588][ T8682]  nfsd_reply_cache_shutdown+0x150/0x350
+[ 1262.065276][ T8682]  nfsd_exit_net+0x189/0x4c0
+[ 1262.075053][ T8682]  ops_exit_list.isra.0+0xa8/0x150
+[ 1262.080169][ T8682]  setup_net+0x50c/0x860
+[ 1262.088742][ T8682]  copy_net_ns+0x293/0x590
+[ 1262.093348][ T8682]  create_new_namespaces+0x3fb/0xb30
+[ 1262.098638][ T8682]  unshare_nsproxy_namespaces+0xbd/0x1f0
+[ 1262.104341][ T8682]  ksys_unshare+0x43d/0x8e0
+[ 1262.131145][ T8682]  __x64_sys_unshare+0x2d/0x40
+[ 1262.136080][ T8682]  do_syscall_64+0xf6/0x7d0
+[ 1262.140653][ T8682]  entry_SYSCALL_64_after_hwframe+0x49/0xb3
+[ 1262.146545][ T8682] RIP: 0033:0x45ca29
+[ 1262.150436][ T8682] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
+[ 1262.170036][ T8682] RSP: 002b:00007fa002d20c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
+[ 1262.178479][ T8682] RAX: ffffffffffffffda RBX: 000000000050a1c0 RCX: 000000000045ca29
+[ 1262.186452][ T8682] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
+[ 1262.194428][ T8682] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
+[ 1262.202401][ T8682] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
+[ 1262.210374][ T8682] R13: 0000000000000c4e R14: 00000000004ce9bd R15: 00007fa002d216d4
+[ 1262.218377][ T8682] Modules linked in:
+[ 1262.222267][ T8682] CR2: ffff887ffffffff0
+[ 1262.226422][ T8682] ---[ end trace f929dcba0362906a ]---
diff --git a/pkg/report/testdata/linux/report/516 b/pkg/report/testdata/linux/report/516
new file mode 100644
index 000000000..2c489a850
--- /dev/null
+++ b/pkg/report/testdata/linux/report/516
@@ -0,0 +1,58 @@
+TITLE: KMSAN: uninit-value in anon_vma_interval_tree_insert
+
+[  432.134926] ==================================================================
+[  432.142342] BUG: KMSAN: uninit-value in __rb_insert_augmented+0x2de/0x13f0
+[  432.149354] CPU: 1 PID: 18343 Comm: udevd Not tainted 4.17.0+ #9
+[  432.155486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  432.164826] Call Trace:
+[  432.167415]  dump_stack+0x185/0x1d0
+[  432.171046]  kmsan_report+0x188/0x2a0
+[  432.174850]  __msan_warning_32+0x70/0xc0
+[  432.178913]  __rb_insert_augmented+0x2de/0x13f0
+[  432.193526]  anon_vma_interval_tree_insert+0x4ee/0x600
+[  432.198810]  anon_vma_clone+0x5c8/0xbf0
+[  432.202789]  anon_vma_fork+0x106/0xb20
+[  432.206679]  copy_process+0x65df/0x9be0
+[  432.210669]  _do_fork+0x353/0xf60
+[  432.214140]  __x64_sys_clone+0x15e/0x1b0
+[  432.222346]  do_syscall_64+0x15b/0x230
+[  432.226237]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
+[  432.231421] RIP: 0033:0x7fc0f8229f46
+[  432.235126] RSP: 002b:00007fff8c280c90 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
+[  432.242832] RAX: ffffffffffffffda RBX: 00007fff8c280c90 RCX: 00007fc0f8229f46
+[  432.250108] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
+[  432.257383] RBP: 00007fff8c280cf0 R08: 00000000000047a7 R09: 00000000000047a7
+[  432.264650] R10: 00007fc0f8b46a70 R11: 0000000000000246 R12: 0000000000000000
+[  432.271918] R13: 00007fff8c280cb0 R14: 0000000000000005 R15: 0000000000000005
+[  432.279190] 
+[  432.280811] Uninit was stored to memory at:
+[  432.285141]  kmsan_internal_chain_origin+0x12b/0x210
+[  432.290240]  __msan_chain_origin+0x69/0xc0
+[  432.294476]  __rb_erase_color+0x906/0x1d30
+[  432.298712]  anon_vma_interval_tree_remove+0x17ab/0x1ad0
+[  432.304162]  unlink_anon_vmas+0x218/0xc20
+[  432.308310]  free_pgtables+0x2ee/0x6b0
+[  432.312198]  exit_mmap+0x510/0x980
+[  432.315740]  __mmput+0x158/0x600
+[  432.319108]  mmput+0xab/0xf0
+[  432.322133]  exit_mm+0x6ed/0x7a0
+[  432.325492]  do_exit+0xc12/0x3930
+[  432.328936]  do_group_exit+0x1a0/0x360
+[  432.332817]  __do_sys_exit_group+0x21/0x30
+[  432.337048]  __se_sys_exit_group+0x14/0x20
+[  432.341281]  __x64_sys_exit_group+0x4c/0x50
+[  432.345601]  do_syscall_64+0x15b/0x230
+[  432.349486]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
+[  432.354659] 
+[  432.356274] Uninit was created at:
+[  432.359804]  kmsan_internal_poison_shadow+0xb8/0x1b0
+[  432.364899]  kmsan_kmalloc+0x94/0x100
+[  432.368688]  kmem_cache_alloc+0xa97/0xb70
+[  432.372828]  anon_vma_clone+0x15c/0xbf0
+[  432.376793]  anon_vma_fork+0x106/0xb20
+[  432.380672]  copy_process+0x65df/0x9be0
+[  432.384636]  _do_fork+0x353/0xf60
+[  432.388080]  __x64_sys_clone+0x15e/0x1b0
+[  432.392133]  do_syscall_64+0x15b/0x230
+[  432.396014]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
+[  432.401192] ==================================================================
diff --git a/pkg/report/testdata/linux/report/517 b/pkg/report/testdata/linux/report/517
new file mode 100644
index 000000000..c04d15cb2
--- /dev/null
+++ b/pkg/report/testdata/linux/report/517
@@ -0,0 +1,27 @@
+TITLE: general protection fault in timerqueue_del
+
+[  110.420358][    C0] general protection fault: 0000 [#1] PREEMPT SMP KASAN
+[  110.427307][    C0] CPU: 0 PID: 12754 Comm: syz-executor.2 Not tainted 5.3.0-rc2 #81
+[  110.435198][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  110.445272][    C0] RIP: 0010:rb_erase+0x2ec/0x1c10
+[  110.450304][    C0] Code: 84 f3 01 00 00 49 8d 7d 08 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 01 0f 00 00 4d 8b 75 08 4d 85 f6 74 1b 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 0f 85 d6 0c 00 00 41 f6 06 01 0f 84 41 09 00 00 4d 85
+[  110.470613][    C0] RSP: 0018:ffff8880ae809d50 EFLAGS: 00010003
+[  110.476687][    C0] RAX: 063f66976b9d1f68 RBX: dffffc0000000000 RCX: 1ffff11015d04dc9
+[  110.484660][    C0] RDX: ffffed1015d04dc8 RSI: ffff8880ae826e40 RDI: ffffffff862ba6fd
+[  110.492656][    C0] RBP: ffff8880ae809d98 R08: ffff8880ae8276c8 R09: ffff88807a73fac8
+[  110.500632][    C0] R10: fffffbfff134adef R11: ffffffff89a56f7f R12: ffff8880ae8276c0
+[  110.508605][    C0] R13: ffffffff862ba6f5 R14: 31fb34bb5ce8fb46 R15: f981e8c689c389ff
+[  110.517298][    C0] FS:  000055555711f940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
+[  110.526235][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  110.532823][    C0] CR2: 00007ffe788eeebc CR3: 000000009b351000 CR4: 00000000001406f0
+[  110.540807][    C0] Call Trace:
+[  110.544089][    C0]  <IRQ>
+[  110.557020][    C0]  timerqueue_del+0x86/0x150
+[  110.561625][    C0]  __remove_hrtimer+0xa8/0x1c0
+[  110.566394][    C0]  __hrtimer_run_queues+0x2b8/0xe40
+[  110.588950][    C0]  hrtimer_interrupt+0x314/0x770
+[  110.593901][    C0]  smp_apic_timer_interrupt+0x160/0x610
+[  110.599447][    C0]  apic_timer_interrupt+0xf/0x20
+[  110.604385][    C0]  </IRQ>
+[  110.607326][    C0] Modules linked in:
+[  110.611244][    C0] ---[ end trace 24350ae9a4f9ba9e ]---
diff --git a/pkg/report/testdata/linux/report/518 b/pkg/report/testdata/linux/report/518
new file mode 100644
index 000000000..c7c333f0f
--- /dev/null
+++ b/pkg/report/testdata/linux/report/518
@@ -0,0 +1,30 @@
+TITLE: general protection fault in timerqueue_del
+
+[   71.480406][    C0] general protection fault: 0000 [#1] PREEMPT SMP KASAN
+[   71.480415][    C0] CPU: 0 PID: 8856 Comm: syz-executor.2 Not tainted 5.2.0-rc4+ #32
+[   71.480420][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[   71.480431][    C0] RIP: 0010:rb_next+0xd7/0x140
+[   71.480442][    C0] Code: 49 89 dc 4c 89 eb 48 83 e3 fc 48 89 d8 75 c8 48 83 c4 08 5b 41 5c 41 5d 41 5e 5d c3 48 89 d0 48 8d 78 10 48 89 fa 48 c1 ea 03 <80> 3c 1a 00 75 1a 48 8b 50 10 48 85 d2 75 e3 48 83 c4 08 5b 41 5c
+[   71.480447][    C0] RSP: 0018:ffff8880ae809d70 EFLAGS: 00010007
+[   71.480455][    C0] RAX: 26f1e8c689c389ff RBX: dffffc0000000000 RCX: ffffffff87185c81
+[   71.480461][    C0] RDX: 04de3d18d1387141 RSI: ffffffff87185d10 RDI: 26f1e8c689c38a0f
+[   71.480467][    C0] RBP: ffff8880ae809d98 R08: ffff88808a51a440 R09: ffffed1015d06be0
+[   71.480473][    C0] R10: ffffed1015d06bdf R11: ffff8880ae835efb R12: ffff8880ae8275c0
+[   71.480479][    C0] R13: ffff8880ae827861 R14: dffffc0000000000 R15: ffff8880ae826d00
+[   71.480495][    C0] FS:  0000555555728940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
+[   71.603155][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[   71.609725][    C0] CR2: 0000000000a8dc78 CR3: 00000000992f7000 CR4: 00000000001406f0
+[   71.617774][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[   71.625741][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[   71.633702][    C0] Call Trace:
+[   71.636972][    C0]  <IRQ>
+[   71.639833][    C0]  timerqueue_del+0xd8/0x150
+[   71.644475][    C0]  __remove_hrtimer+0xa8/0x1c0
+[   71.649244][    C0]  __hrtimer_run_queues+0x2a8/0xdd0
+[   71.673258][    C0]  hrtimer_interrupt+0x314/0x770
+[   71.678190][    C0]  smp_apic_timer_interrupt+0x111/0x550
+[   71.683810][    C0]  apic_timer_interrupt+0xf/0x20
+[   71.688725][    C0]  </IRQ>
+[   71.691649][    C0] Modules linked in:
+[   71.695531][    C0] 
+[   71.695537][    C0] ======================================================
diff --git a/pkg/report/testdata/linux/report/519 b/pkg/report/testdata/linux/report/519
new file mode 100644
index 000000000..611feaf8a
--- /dev/null
+++ b/pkg/report/testdata/linux/report/519
@@ -0,0 +1,40 @@
+TITLE: general protection fault in set_next_entity
+
+[   61.686373] kasan: GPF could be caused by NULL-ptr deref or user memory access
+[   61.693805] general protection fault: 0000 [#1] PREEMPT SMP KASAN
+[   61.707364] CPU: 0 PID: 7924 Comm: syz-executor928 Not tainted 4.20.0+ #9
+[   61.714281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[   61.723650] RIP: 0010:rb_erase_cached+0x7e2/0x3590
+[   61.728574] Code: 89 a7 a0 fb ff ff 80 3c 1f 00 0f 85 5a 22 00 00 48 c1 ea 03 48 89 c7 4d 89 66 10 48 c1 ef 03 c6 04 1a f8 4c 89 e2 48 83 ca 01 <80> 3c 1f 00 0f 85 89 22 00 00 48 89 10 4c 89 e2 48 c1 ea 03 80 3c
+[   61.747471] RSP: 0018:ffff8880914a7090 EFLAGS: 00010082
+[   61.752843] RAX: 0000000400000001 RBX: dffffc0000000000 RCX: 1ffff11012294e1a
+[   61.760109] RDX: ffff8880a61222d9 RSI: ffffed1012294e46 RDI: 0000000080000000
+[   61.767373] RBP: ffff8880914a75f8 R08: ffff8880a61222e0 R09: ffff8880a94642e8
+[   61.774634] R10: 000000000000005b R11: 0000000000000000 R12: ffff8880a61222d8
+[   61.781895] R13: ffff8880ae62cef0 R14: ffff8880a94642d8 R15: ffff8880914a75d0
+[   61.789160] FS:  0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:0000000009d83840
+[   61.797379] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
+[   61.803257] CR2: 00000000080a78d0 CR3: 00000000952b3000 CR4: 00000000001406f0
+[   61.810524] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[   61.817787] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[   61.825046] Call Trace:
+[   61.938717]  set_next_entity+0x2cc/0xb00
+[   61.961287]  pick_next_task_fair+0xe1b/0x1c20
+[   61.995720]  __schedule+0x4b8/0x1e90
+[   62.029484]  schedule+0xfe/0x350
+[   62.050592]  do_nanosleep+0x208/0x750
+[   62.076003]  hrtimer_nanosleep+0x2e4/0x640
+[   62.097975]  __ia32_compat_sys_nanosleep+0x1e7/0x280
+[   62.111992]  do_fast_syscall_32+0x333/0xf98
+[   62.144895]  entry_SYSENTER_compat+0x70/0x7f
+[   62.149320] RIP: 0023:0xf7fed869
+[   62.152701] 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
+[   62.171601] RSP: 002b:00000000fff9cb8c EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
+[   62.179316] RAX: ffffffffffffffda RBX: 00000000fff9cbb8 RCX: 0000000000000000
+[   62.186581] RDX: 000000000000004a RSI: 000000000000004a RDI: 00000000fff9cc18
+[   62.193844] RBP: 00000000fff9cdd8 R08: 0000000000000000 R09: 0000000000000000
+[   62.201108] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
+[   62.208369] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
+[   62.215639] Modules linked in:
+[   62.218877] 
+[   62.218883] ======================================================