syzbot


panic: vref used where vget required (5)

Status: upstream: reported on 2025/12/20 21:36
Reported-by: syzbot+800aa2a739b75873b3c5@syzkaller.appspotmail.com
First crash: 68d, last: 57d
Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd panic: vref used where vget required (4) 2 9 563d 687d 0/3 auto-obsoleted due to no activity on 2024/11/10 09:55
openbsd panic: vref used where vget required 2 1 2369d 2369d 0/3 auto-closed as invalid on 2019/12/01 17:58
openbsd panic: vref used where vget required (2) 2 2 2119d 2122d 0/3 auto-closed as invalid on 2020/08/08 03:01
openbsd panic: vref used where vget required (3) 2 1 1522d 1522d 0/3 auto-closed as invalid on 2022/03/27 19:54

Sample crash report:
panic: vref used where vget required
Starting stack trace...
panic(ffffffff83425b5d) at panic+0x1d0 sys/kern/subr_prf.c:229
vref(fffffd8069c4abf8) at vref+0x109 sys/kern/vfs_subr.c:708
namei(ffff80003c460ea8) at namei+0x555 sys/kern/vfs_lookup.c:221
domknodat(ffff80003c443a30,ffffff9c,200000000000,2000,4800) at domknodat+0xb4 sys/kern/vfs_syscalls.c:1592
syscall(ffff80003c4610a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c4610a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x42429482d0, count: 251
End of stack trace.

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/01 06:26 openbsd 6a1433bd6d39 2733a373 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: vref used where vget required
2025/12/20 21:35 openbsd df8f251ef5f9 e14dbeb9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: vref used where vget required
* Struck through repros no longer work on HEAD.