login: witness: lock order reversal:
 1st 0xfffffd806dc421b8 inode (&ip->i_lock)
 2nd 0xfffffd806d20f628 fdlock (&newfdp->fd_fd.fd_lock)
lock order "&newfdp->fd_fd.fd_lock"(rwlock) -> "&ip->i_lock"(rrwlock) first seen at:
#0  witness_checkorder+0x6a7 sys/kern/subr_witness.c:877
#1  rw_enter+0xa7
#2  rrw_enter+0x4f sys/kern/kern_rwlock.c:407
#3  VOP_LOCK+0x4b sys/kern/vfs_vops.c:602
#4  vn_closefile+0x119 vn_lock sys/kern/vfs_vnops.c:549 [inline]
#4  vn_closefile+0x119 vn_close sys/kern/vfs_vnops.c:288 [inline]
#4  vn_closefile+0x119 sys/kern/vfs_vnops.c:575
#5  fdrop+0xc9 sys/kern/kern_descrip.c:1260
#6  closef+0x11d sys/kern/kern_descrip.c:1244
#7  finishdup+0x2bd sys/kern/kern_descrip.c:679
#8  dodup3+0x5e2 sys/kern/kern_descrip.c:377
#9  syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline]
#9  syscall+0x552 sys/arch/amd64/amd64/trap.c:574
#10 Xsyscall+0x128
lock order "&ip->i_lock"(rrwlock) -> "&newfdp->fd_fd.fd_lock"(rwlock) first seen at:
#0  witness_checkorder+0x6a7 sys/kern/subr_witness.c:877
#1  rw_enter_write+0x5b sys/kern/kern_rwlock.c:117
#2  doopenat+0x610 sys/kern/vfs_syscalls.c:1114
#3  syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline]
#3  syscall+0x552 sys/arch/amd64/amd64/trap.c:574
#4  Xsyscall+0x128
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
ddb{1}> 
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}>