panic: trap type NUM, code=NUM, pc=fffWfAfRfNffI8N2Gb: fS6PLb fbNO

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 3c0af00218ea Remove sys/poll.h since we also have poll.h.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=10c1e7fa580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=c311bbbd4013147fbeb7

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/83f92b1e6532/disk-3c0af002.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/9e4f43824786/bsd-3c0af002.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/8ec81fdb0b1f/kernel-3c0af002.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c311bb...@syzkaller.appspotmail.com

panic: trap type 4, code=0, pc=fffWfAfRfNffI8N2Gb: fS6PLb fbNO
T StLaOWrEtiRng EsD ON SYtacSkCAL tracL 91e .-..
939348840 EXIT 0 3
Stopped at savectx+0xae: movl $0,%gs:0x688
TID PID UID PRFLAGS PFLAGS CPU COMMAND
384610 91735 0 0 0x4000000 0 syz-executor
* 76110 90162 0 0x2 0 1 syz-executor
savectx() at savectx+0xae
end of kernel
end trace frame: 0x7e9dc802ac80, count: 14
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.


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