kernel: protection fault trap, code=0 (2)

Status: fixed on 2019/01/22 07:18
Reported-by: syzbot+d5540a236382f50f1dac@syzkaller.appspotmail.com
Fix commit: Introduce a dedicated entry point data structure for file locks. This new data
First crash: 2822d, last: 2798d
▶ ▼ Similar bugs (7)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd kernel: protection fault trap, code=0 (6) -1 syz, C 55024 2481d 2565d 3/4 fixed on 2019/12/05 05:48
openbsd kernel: protection fault trap, code=0 (4) -1 syz, C 759 2647d 2760d 3/4 fixed on 2019/06/22 17:44
openbsd kernel: protection fault trap, code=0 (8) -1 syz 1348 2048d 2237d 3/4 fixed on 2021/02/10 20:48
openbsd kernel: protection fault trap, code=0 -1 syz, C 16 2846d 2851d 1/4 fixed on 2018/12/04 18:27
openbsd kernel: protection fault trap, code=0 (3) -1 syz, C 3 2793d 2793d 3/4 fixed on 2019/01/27 23:19
openbsd kernel: protection fault trap, code=0 (7) -1 syz 774692 2237d 2481d 3/4 fixed on 2020/08/05 06:16
openbsd kernel: protection fault trap, code=0 (5) -1 syz, C 607 2572d 2646d 3/4 fixed on 2019/09/05 13:34

Sample crash report:
login: kernel: protection fault trap, code=0
Stopped at      lf_findoverlap+0xab:    movq    0x18(%rbx),%rax
ddb{0}> 
ddb{0}>

Crashes (109):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/12/30 03:14 openbsd 9f55cdeb1a13 a2af97dd .config console log report syz ci-openbsd-setuid
2019/01/22 03:55 openbsd 202907923950 fd37a550 .config console log report ci-openbsd-setuid
2019/01/21 19:20 openbsd 202907923950 fd37a550 .config console log report ci-openbsd-setuid
2019/01/21 14:37 openbsd 10d43c9c2333 fd37a550 .config console log report ci-openbsd-multicore
2019/01/21 05:06 openbsd 10d43c9c2333 fd37a550 .config console log report ci-openbsd-multicore
2019/01/21 03:53 openbsd 3d8e9378a5b1 fd37a550 .config console log report ci-openbsd-multicore
2019/01/21 02:10 openbsd 3d8e9378a5b1 fd37a550 .config console log report ci-openbsd-setuid
2019/01/16 14:26 openbsd 17e34b32ed8c 352bac0d .config console log report ci-openbsd-multicore
2019/01/16 11:38 openbsd 17e34b32ed8c 352bac0d .config console log report ci-openbsd-setuid
2019/01/16 09:15 openbsd 17e34b32ed8c b47fa78d .config console log report ci-openbsd-multicore
2019/01/16 01:31 openbsd 39356ae6e19b b47fa78d .config console log report ci-openbsd-setuid
2019/01/15 19:46 openbsd 39356ae6e19b b47fa78d .config console log report ci-openbsd-multicore
2019/01/15 12:04 openbsd a1d3f8bc44da ebacf5cb .config console log report ci-openbsd-setuid
2019/01/15 07:42 openbsd a1d3f8bc44da ebacf5cb .config console log report ci-openbsd-setuid
2019/01/15 04:23 openbsd febce3603669 2f3438a8 .config console log report ci-openbsd-setuid
2019/01/15 02:35 openbsd febce3603669 2f3438a8 .config console log report ci-openbsd-setuid
2019/01/14 22:34 openbsd febce3603669 2f3438a8 .config console log report ci-openbsd-setuid
2019/01/14 20:50 openbsd febce3603669 2f3438a8 .config console log report ci-openbsd-setuid
2019/01/14 12:43 openbsd a30f5dcbf70f 2f3438a8 .config console log report ci-openbsd-multicore
2019/01/14 10:07 openbsd a30f5dcbf70f 2f3438a8 .config console log report ci-openbsd-setuid
2019/01/13 14:52 openbsd 5d60bdcf2121 c3f3344c .config console log report ci-openbsd-setuid
2019/01/13 10:45 openbsd 5d60bdcf2121 c3f3344c .config console log report ci-openbsd-setuid
2019/01/13 07:19 openbsd 5d60bdcf2121 c3f3344c .config console log report ci-openbsd-setuid
2019/01/13 00:21 openbsd 13e54a3ce656 c3f3344c .config console log report ci-openbsd-setuid
2019/01/12 20:45 openbsd 13e54a3ce656 c3f3344c .config console log report ci-openbsd-setuid
2019/01/12 06:20 openbsd c3a3e7a91721 c3f3344c .config console log report ci-openbsd-setuid
2019/01/11 16:20 openbsd c0b40b5fc125 a90e03cc .config console log report ci-openbsd-setuid
2019/01/11 14:33 openbsd c0b40b5fc125 a90e03cc .config console log report ci-openbsd-setuid
2019/01/11 11:05 openbsd 3c6b43f97d7b 80dde172 .config console log report ci-openbsd-setuid
2019/01/10 17:51 openbsd eb170d6cffe8 db9b6579 .config console log report ci-openbsd-setuid
2019/01/09 19:55 openbsd ec093bbdc42f 45c0c1b1 .config console log report ci-openbsd-setuid
2019/01/09 16:11 openbsd ec093bbdc42f 45c0c1b1 .config console log report ci-openbsd-setuid
2019/01/09 11:19 openbsd ec093bbdc42f 45c0c1b1 .config console log report ci-openbsd-setuid
2019/01/08 04:34 openbsd 2f2d56696c77 69d69aa9 .config console log report ci-openbsd-setuid
2019/01/08 01:59 openbsd 2f2d56696c77 69d69aa9 .config console log report ci-openbsd-setuid
2019/01/07 23:07 openbsd 2dd33770e525 69d69aa9 .config console log report ci-openbsd-setuid
2019/01/07 19:30 openbsd 2dd33770e525 69d69aa9 .config console log report ci-openbsd-setuid
2019/01/07 16:08 openbsd 2dd33770e525 69d69aa9 .config console log report ci-openbsd-setuid
2019/01/07 13:50 openbsd 2dd33770e525 69d69aa9 .config console log report ci-openbsd-setuid
2019/01/07 01:25 openbsd 9a1bbc17e70c ee332608 .config console log report ci-openbsd-setuid
2019/01/06 23:14 openbsd 9a1bbc17e70c ee332608 .config console log report ci-openbsd-setuid
2019/01/06 12:16 openbsd 260aa4b1b9f1 94f8adb5 .config console log report ci-openbsd-setuid
2019/01/06 10:27 openbsd 260aa4b1b9f1 53be0a37 .config console log report ci-openbsd-setuid
2019/01/06 08:14 openbsd 260aa4b1b9f1 53be0a37 .config console log report ci-openbsd-setuid
2019/01/06 04:22 openbsd 810d6e19cd5f 53be0a37 .config console log report ci-openbsd-setuid
2019/01/05 21:24 openbsd 810d6e19cd5f 53be0a37 .config console log report ci-openbsd-setuid
2019/01/05 17:01 openbsd 810d6e19cd5f 53be0a37 .config console log report ci-openbsd-setuid
2019/01/05 14:39 openbsd 93757356f583 53be0a37 .config console log report ci-openbsd-setuid
2019/01/05 11:04 openbsd 93757356f583 53be0a37 .config console log report ci-openbsd-setuid
2019/01/05 03:50 openbsd 93757356f583 53be0a37 .config console log report ci-openbsd-setuid
2018/12/30 08:52 openbsd 1a6243b7c046 35e3f847 .config console log report ci-openbsd-setuid
2018/12/30 02:56 openbsd 9f55cdeb1a13 a2af97dd .config console log report ci-openbsd-setuid
2018/12/30 02:01 openbsd 9f55cdeb1a13 a2af97dd .config console log report ci-openbsd-multicore
2018/12/30 01:58 openbsd 9f55cdeb1a13 a2af97dd .config console log report ci-openbsd-multicore
2018/12/29 23:17 openbsd 9f55cdeb1a13 a2af97dd .config console log report ci-openbsd-setuid
2018/12/29 21:53 openbsd 9f55cdeb1a13 a2af97dd .config console log report ci-openbsd-setuid
2018/12/29 15:06 openbsd fb1fb638fae9 a40793d7 .config console log report ci-openbsd-setuid
2018/12/29 10:57 openbsd fb1fb638fae9 a40793d7 .config console log report ci-openbsd-setuid
2018/12/29 09:24 openbsd fb1fb638fae9 a40793d7 .config console log report ci-openbsd-setuid
* Struck through repros no longer work on HEAD.