witness: reversal: sbufrcv inode (3)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: bf8f984edd8f drm/amdkfd: Fix improper NULL termination of ..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=171f73fa580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=cd49212294d49785c00f

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/cdb3525d069e/disk-bf8f984e.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/1a2724a4dff6/bsd-bf8f984e.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/b4b82f9b49e5/kernel-bf8f984e.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+cd4921...@syzkaller.appspotmail.com

witness: lock order reversal:
1st 0xffff80000166c2c0 sbufrcv (&so->so_rcv.sb_lock)
2nd 0xfffffd806e9148c0 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 (ci-openbsd-multicore-2.us-central1-b.c.syzkaller.internal) (tty00)

login: uvn_flush: obj=0xfffffd806eb42738, offset=0x3ff000. error during pageout.
uvn_flush: WARNING: changes to page may be lost!
set $lines = 0
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:
Login incorrect
login: show panic
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:
Login incorrect
login: show registers
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:
Login incorrect
login: ps
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:
Login incorrect
show malloc
login: malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:
Login incorrect
machine ddbcpu 0
login: malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:


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