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kernel: protection fault trap, code=NUM (7)

Status: upstream: reported on 2024/08/26 11:56
Reported-by: syzbot+fe48665f243f29057e61@syzkaller.appspotmail.com
First crash: 21d, last: 2d16h
▶ ▼ Similar bugs (6)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd kernel: protection fault trap, code=NUM (3) 1 909d 909d 0/3 closed as invalid on 2022/03/22 11:48
openbsd kernel: protection fault trap, code=NUM (5) 2 749d 750d 0/3 closed as dup on 2022/08/29 15:02
openbsd kernel: protection fault trap, code=NUM (2) C 16 991d 1014d 0/3 closed as invalid on 2021/12/31 06:19
openbsd kernel: protection fault trap, code=NUM 1 1094d 1094d 0/3 closed as invalid on 2021/09/18 05:58
openbsd kernel: protection fault trap, code=NUM (4) 1 872d 872d 0/3 closed as invalid on 2022/04/28 06:52
openbsd kernel: protection fault trap, code=NUM (6) 42 129d 675d 0/3 auto-obsoleted due to no activity on 2024/08/08 04:33

Sample crash report:
kernel: protection fault trap, code=0
SSeaBIOS (version 1.8.2-google)
Total RAM Size = 0x0000000080000000 = 2048 MiB
CPUs found: 2     Max CPUs supported: 2
SeaBIOS (version 1.8.2-google)
Machine UUID 479bd2e4-6073-186a-8c25-a69e4074584d
found virtio-scsi at 0:3
virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0
virtio-scsi blksize=512 sectors=4194304 = 2048 MiB
drive 0x000f27c0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
>> OpenBSD/amd64 BOOT 3.67
boot> set $lines = 0
set: syntax error
boot> set $maxwidth = 0
set: syntax error
boot> show panic
boot: illegal argument panic
boot> trace
boot> show registers
boot> show proc
boot> ps
boot> show all locks
boot> show malloc
boot> show all pools
boot> machine ddbcpu 0
machine: syntax error
boot> trace
boot> machine ddbcpu 1
machine: syntax error
boot> trace

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/14 02:30 openbsd 3800fc3581d8 ff60e2ca .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore kernel: protection fault trap, code=NUM
2024/09/03 09:10 openbsd 67ce4081c6b7 8045124c .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid kernel: protection fault trap, code=NUM
2024/09/01 12:18 openbsd 8bcce81a6842 1eda0d14 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore kernel: protection fault trap, code=NUM
2024/08/28 20:18 openbsd cd07c7058b7d ef3de9e8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid kernel: protection fault trap, code=NUM
2024/08/26 11:55 openbsd a3863cb83aca d7d32352 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore kernel: protection fault trap, code=NUM
* Struck through repros no longer work on HEAD.