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

Status: auto-obsoleted due to no activity on 2026/04/26 02:24
Reported-by: syzbot+89d36c350dc9849653e3@syzkaller.appspotmail.com
First crash: 346d, last: 242d
▶ ▼ Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd assert "pr->ps_threadcnt == NUM" failed in kern_exit.c (3) -1 2 82d 106d 0/4 upstream: reported on 2026/06/28 14:32
openbsd assert "pr->ps_threadcnt == NUM" failed in kern_exit.c -1 1 741d 741d 0/4 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(ffffffff83380823) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff833baed0,ffffffff833dd93c,376,ffffffff833dd971) at __assert+0x29 sys/kern/subr_prf.c:-1
process_zap(ffff8000fffedfa0) at process_zap+0x31d sys/kern/kern_exit.c:887
reaper(ffff80002a72d228) at reaper+0x290 sys/kern/kern_exit.c:521
end trace frame: 0x0, count: 253
End of stack trace.

Crashes (21):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/02/13 04:23 openbsd 829f23bb157c 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2026/01/19 16:32 openbsd 665aeba05e03 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2026/01/13 04:59 openbsd a9df5e8d0934 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2026/01/07 10:02 openbsd c7117ed52e15 15f6fd08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2026/01/04 15:59 openbsd 079c76c73fb6 e3fbc05e .config console log report ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/12/31 15:24 openbsd f516ab5f0d05 49aa01cc .config console log report ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/12/24 14:48 openbsd 1dc30a6de584 5dc09de1 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/12/16 21:12 openbsd 11531c4859ff a066d2bc .config console log report ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/12/15 14:37 openbsd 2c50c5af38ad a066d2bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/12/10 10:57 openbsd f5c5b16722b5 48b27acc .config console log report ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/12/09 18:13 openbsd 9bea02201100 fc20f974 .config console log report ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/12/09 05:28 openbsd bf8f637750de fc20f974 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/12/05 11:57 openbsd 9dbbe670f20c cee4cb10 .config console log report ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/11/26 20:34 openbsd 856b2687a9ff c116feb4 .config console log report ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/11/24 16:56 openbsd 879ea5f6fdb7 bf6fe8fe .config console log report ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/11/14 06:41 openbsd 83ff66b05700 07e030de .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/11/12 23:22 openbsd 4bd49954ab16 07e030de .config console log report ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/11/09 04:05 openbsd e187005a6767 4e1406b4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
2025/11/08 19:03 openbsd f09b465a1938 4e1406b4 .config console log report 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 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 ci-openbsd-main assert "pr->ps_threadcnt == NUM" failed in kern_exit.c
* Struck through repros no longer work on HEAD.