witness: reversal: fdlock inode (2)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: f7635e2c043a drm/draw: fix color truncation in drm_draw_fi..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=17398c92580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=9a52a0c3fdd97cb9c223

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/95410e7c1592/disk-f7635e2c.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/b75e37cf558e/bsd-f7635e2c.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/818794b68dfb/kernel-f7635e2c.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+9a52a0...@syzkaller.appspotmail.com

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 (�O0��:Iҡ�) (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


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