syzbot


lock order reversal:

Status: upstream: reported on 2025/03/01 18:22
Reported-by: syzbot+b6f18906bc25977a23de@syzkaller.appspotmail.com
First crash: 12d, last: 12d

Sample crash report:
aߘBH�І�[))SxC�g)Dg9ɿ>*jx=[gM,'n~0UǗ9IuZzJgXK\qD#9p\P[iBqK/ΣBd7witness: lock order reversal:
SYZFAIL: failed to send rpc
fd=3 want=400 sent=0 n=-1 (errno 32: Broken pipe)
 1st 0xffff800001443110 sbufrcv (&so->so_rcv.sb_lock)
 2nd 0xfffffd8069a5d1b8 inode (&ip->i_lock)
y'	/6Q5SQԅIb}$Sa̡#ٷ䕵|
OpenBSD/amd64 (ci-openbsd-multicore-6.us-central1-b.c.syzkaller.internal) (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:

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/01 18:22 openbsd 7ab92fbecd20 c3901742 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore lock order reversal:
* Struck through repros no longer work on HEAD.