panic: uvmW_AfaRuNlItNG_:unwi rSPeL_ loNOckTe Ld:OW EaRdEdDr eOsNs SnYoStC AiLn mLa p7

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 6d22a4a7112d mention uv_build, pointed out by tb@
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=10b41f62580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=d5ac99fce469b593eab2

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/9297a96c3605/disk-6d22a4a7.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/0c4a6d809924/bsd-6d22a4a7.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/c3be9b6b65c1/kernel-6d22a4a7.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d5ac99...@syzkaller.appspotmail.com

panic: uvmW_AfaRuNlItNG_:unwi rSPeL_ loNOckTe Ld:OW EaRdEdDr eOsNs SnYoStC AiLn mLa p7
3 57S3tart44i ngE XsItTack 0t raa
ceStopped at savectx+0xae: movl $0,%gs:0x688
TID PID UID PRFLAGS PFLAGS CPU COMMAND
443046 51968 0 0 0x4000000 0K syz-executor
*155150 51968 0 0 0x4000000 1 syz-executor
savectx() at savectx+0xae
end of kernel
end trace frame: 0xf58e10a9e90, 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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