syzbot


assert "pr->ps_threadcnt == NUM" failed in kern_exit.c (2)

Status: upstream: reported on 2025/11/01 01:28
Reported-by: syzbot+89d36c350dc9849653e3@syzkaller.appspotmail.com
First crash: 7d17h, last: 21m
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd assert "pr->ps_threadcnt == NUM" failed in kern_exit.c -1 1 402d 402d 0/3 auto-obsoleted due to no activity on 2024/12/31 12:53

Sample crash report:
panic: kernel diagnostic assertion "pr->ps_threadcnt == 0" failed: file "/syzkaller/managers/main/kernel/sys/kern/kern_exit.c", line 886
Starting stack trace...
panic(ffffffff8335fa97) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff8339d4fd,ffffffff833be435,376,ffffffff833be46a) at __assert+0x29 sys/kern/subr_prf.c:-1
process_zap(ffff8000ffff8918) at process_zap+0x31d sys/kern/kern_exit.c:887
reaper(ffff80002a73ccf8) at reaper+0x290 sys/kern/kern_exit.c:521
end trace frame: 0x0, count: 253
End of stack trace.

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/08 19:03 openbsd f09b465a1938 4e1406b4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/11/06 12:37 openbsd 05dcfb71c047 a6c9c731 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/11/01 01:28 openbsd c58a321e760c 2c50b6a9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
* Struck through repros no longer work on HEAD.