syzbot


witness: reversal: fdlock inode (2)

Status: upstream: reported on 2025/10/24 12:15
Reported-by: syzbot+9a52a0c3fdd97cb9c223@syzkaller.appspotmail.com
First crash: 62d, last: 62d
Similar bugs (1)
Kernel Title Rank ๐Ÿ›ˆ Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd witness: reversal: fdlock inode -1 4 191d 319d 0/3 auto-obsoleted due to no activity on 2025/09/15 07:18

Sample crash report:
witness: lock order reversal:
 1st 0xffff80003c3fa070 fdlock (&newfdp->fd_fd.fd_lock)
 2nd 0xfffffd8068d57338 inode (&ip->i_lock)

SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=-1 (errno 54: Connection reset by peer)


OpenBSD/amd64 (๏O0ลห:Iากญ) (tty00)

login: uvn_flush: obj=0xfffffd807422bc00, offset=0x3ff000.  error during pageout.
uvn_flush: WARNING: changes to page may be lost!
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

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/10/24 12:15 openbsd f7635e2c043a c0460fcd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore witness: reversal: fdlock inode
* Struck through repros no longer work on HEAD.