panic: uvm_faulWtARN_IuNGn:w irSeP_Ll oNckOT ed:L OaWdEREdreD OsNs SnYoSCt AiLnL map7

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 184747546068 Relax socket lock assertion in UDP input and ..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=11f204e6980000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=e4e52e8e6329e128f5b1

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/b19623d08a83/disk-18474754.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/be753a7c4017/bsd-18474754.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/231c884c8729/kernel-18474754.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e4e52e...@syzkaller.appspotmail.com

panic: uvm_faulWtARN_IuNGn:w irSeP_Ll oNckOT ed:L OaWdEREdreD OsNs SnYoSCt AiLnL map7
3 S5t4a5r2t5i9n5g20 EXstITa c0k t raa
ceStopped at savectx+0xae: movl $0,%gs:0x680
TID PID UID PRFLAGS PFLAGS CPU COMMAND
271474 96581 0 0x8000000 0x4000000 1K syz-executor
*114000 96581 0 0x8000000 0x4000000 0 syz-executor
savectx() at savectx+0xae
end of kernel
end trace frame: 0x1a2665abc40, 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.


---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.

If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title

If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)

If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report

If you want to undo deduplication, reply with:
#syz undup