panic: vrele: ref cnt (2)

Status: auto-obsoleted due to no activity on 2026/06/10 05:58
Reported-by: syzbot+49408765328e16b4e501@syzkaller.appspotmail.com
First crash: 312d, last: 234d
▶ ▼ Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd panic: vrele: ref cnt 2 4 801d 924d 0/4 auto-obsoleted due to no activity on 2024/11/20 19:05

Sample crash report:
panic: vrele: ref cnt
Starting stack trace...
panic(ffffffff833da579) at panic+0x1ba sys/kern/subr_prf.c:229
vrele(fffffd806adcdb20) at vrele+0x230 sys/kern/vfs_subr.c:823
fdfree(ffff80003a4f0fb0) at fdfree+0x286 sys/kern/kern_descrip.c:1216
exit1(ffff80003a4f0fb0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80003a4f0fb0,ffff8000344e3890,ffff8000344e37e0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff8000344e3890) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000344e3890) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x77cd6774e7f0, count: 250
End of stack trace.

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/03/12 05:57 openbsd 73e77b6607d4 2d88ab01 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: vrele: ref cnt
2026/03/12 00:14 openbsd 73e77b6607d4 2d88ab01 .config console log report ci-openbsd-multicore panic: vrele: ref cnt
2025/12/24 07:56 openbsd 2a2497efc5fa 5dc09de1 .config console log report ci-openbsd-main panic: vrele: ref cnt
* Struck through repros no longer work on HEAD.