witness: thread 0xffff800020ab0c70 exiting with the following locks held:
exclusive rrwlock inode r = 0 (0xfffffd8074070b38)
#0  witness_lock+0x52e sys/kern/subr_witness.c:1163
#1  rw_enter+0x46d sys/kern/kern_rwlock.c:306
#2  rrw_enter+0x4f sys/kern/kern_rwlock.c:435
#3  VOP_LOCK+0x4b sys/kern/vfs_vops.c:602
#4  vn_rdwr+0x109 vn_lock sys/kern/vfs_vnops.c:561 [inline]
#4  vn_rdwr+0x109 sys/kern/vfs_vnops.c:317
#5  acct_process+0x5db sys/kern/kern_acct.c:221
#6  exit1+0x361 sys/kern/kern_exit.c:208
#7  sys_exit+0x17 sys/kern/kern_exit.c:94
#8  syscall+0x552 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#8  syscall+0x552 sys/arch/amd64/amd64/trap.c:555
#9  Xsyscall+0x128