witness: reversal: sbufrcv inode (2)

Status: auto-obsoleted due to no activity on 2026/01/04 00:01
Reported-by: syzbot+3ac6e9f751a0fa9da22f@syzkaller.appspotmail.com
First crash: 558d, last: 319d
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd witness: reversal: sbufrcv inode -1 2 742d 743d 0/4 auto-obsoleted due to no activity on 2024/11/06 12:44
openbsd witness: reversal: sbufrcv inode (4) -1 1 51d 51d 0/4 upstream: reported on 2026/06/30 11:48
openbsd witness: reversal: sbufrcv inode (3) -1 13 193d 211d 0/4 auto-obsoleted due to no activity on 2026/03/30 20:30

Sample crash report:
witness: lock order reversal:
 1st 0xffff8000015b6188 sbufrcv (&so->so_rcv.sb_lock)
 2nd 0xfffffd806d57a7b0 inode (&ip->i_lock)



OpenBSD/amd64 (Amnesiac) (tty00)

login: set $lines = 0
Password:
Login incorrect
login: show panic
Password:
Login incorrect
login: show registers
Password:
Login incorrect
login: ps
Password:
Login incorrect
show malloc
login: Password:
Login incorrect
machine ddbcpu 0
login: Password:
Login incorrect
machine ddbcpu 1
login: Password:
Login incorrect

Crashes (13):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/10/06 00:00 openbsd f5a48fab3694 770ff59f .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2025/09/12 02:28 openbsd cdad1c05a2ff e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2025/07/24 16:48 openbsd 24bd93804efe 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2025/05/21 01:01 openbsd 1363fb036962 b47f9e02 .config console log report ci-openbsd-multicore witness: reversal: sbufrcv inode
2025/05/16 13:32 openbsd 84d74105a289 cfde8269 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2025/05/04 17:56 openbsd 8ee62dda4596 b0714e37 .config console log report ci-openbsd-multicore witness: reversal: sbufrcv inode
2025/04/06 13:04 openbsd c16771e8b440 1c65791e .config console log report ci-openbsd-multicore witness: reversal: sbufrcv inode
2025/04/03 02:23 openbsd 351a734b4a2d b0cc4801 .config console log report ci-openbsd-multicore witness: reversal: sbufrcv inode
2025/03/11 19:16 openbsd 2747bf3bb72f f2eee6b3 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2025/03/11 13:15 openbsd 4b6c60d68713 16256247 .config console log report ci-openbsd-multicore witness: reversal: sbufrcv inode
2025/03/09 23:23 openbsd 1e673480d207 163f510d .config console log report ci-openbsd-multicore witness: reversal: sbufrcv inode
2025/02/15 09:30 openbsd 8d2464095911 40a34ec9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2025/02/09 07:45 openbsd 2347e6edcd5e ef44b750 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
* Struck through repros no longer work on HEAD.