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witness: reversal: sbufrcv inode (3)

Status: auto-obsoleted due to no activity on 2026/03/30 20:30
Reported-by: syzbot+cd49212294d49785c00f@syzkaller.appspotmail.com
First crash: 72d, last: 54d
▶ ▼ Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd witness: reversal: sbufrcv inode -1 2 603d 604d 0/3 auto-obsoleted due to no activity on 2024/11/06 12:44
openbsd witness: reversal: sbufrcv inode (2) -1 13 180d 419d 0/3 auto-obsoleted due to no activity on 2026/01/04 00:01

Sample crash report:
witness: lock order reversal:
 1st 0xffff8000015f6140 sbufrcv (&so->so_rcv.sb_lock)
 2nd 0xfffffd807bc59910 inode (&ip->i_lock)
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=-1 (errno 54: Connection reset by peer)
uvn_flush: obj=0xfffffd806eb3baf8, offset=0x3ff000.  error during pageout.
uvn_flush: WARNING: changes to page may be lost!

Crashes (13):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/02/08 20:29 openbsd 3c0af00218ea 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2026/01/22 18:03 openbsd 9e4d3748fbc0 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2026/01/22 04:01 openbsd bf8f984edd8f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2026/01/22 02:33 openbsd bf8f984edd8f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2026/01/22 01:33 openbsd bf8f984edd8f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2026/01/22 01:33 openbsd bf8f984edd8f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2026/01/22 00:44 openbsd bf8f984edd8f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2026/01/21 22:09 openbsd bf8f984edd8f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2026/01/21 21:50 openbsd bf8f984edd8f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2026/01/21 20:25 openbsd bf8f984edd8f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2026/01/21 19:59 openbsd bf8f984edd8f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2026/01/21 19:59 openbsd bf8f984edd8f 56f88057 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: sbufrcv inode
2026/01/21 19:22 openbsd bf8f984edd8f 56f88057 .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.