SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
#8 0xffffffff8212527b at fast_syscall_common+0xf8
lock order tun_mtx -> tun_ioctl attempted at:
#0 0xfffffff

FreeBSD/amd64 (ci-freebsd-main-1.us-central1-b.c.syzkaller.internal) (ttyu0)

login: f8169af22 at witness_checkorder+0x1652
#1 0xffffffff81589549 at _sx_xlock+0x139
#2 0xffffffff81884b7a at tunifioctl+0x8a
#3 0xZFS filesystem version: 5
ZFS storage pool version: features support (5000)
ffffffff81860bb6 at ifhwioctl+0x1dc6
#4 0xffffffff818825e2 at tunioctl+0xd92
#5 0xffffffff811f36a6 at devfs_ioctl+0x266
#6 0xffffffff823463b7 at VOP_IOCTL_APV+0x87
#7 0xffffffff81806fa7 at vn_ioctl+0x3c7
#8 0xffffffff811f4569 at devfs_ioctl_f+0x69
#9 0xffffffff816a8e3a at kern_ioctl+0x52a
#10 0xffffffff816a881e at sys_ioctl+0x36e
#11 0xffffffff82183a62 at amd64_syscall+0x4e2
#12 0xffffffff8212527b at fast_syscall_common+0xf8
set $lines = 0
Password:
Login incorrect
login: show registers
Password:
Login incorrect
login: ps
Jan  1 00:08:48 ci-freebsd-main-1 login[747]: 2 LOGIN FAILURES ON ttyu0
Password:
Login incorrect
login: show malloc
Password:
Login incorrect
show all tcpcbs/bl