witness: lock order reversal:
 1st 0xffff800035bab0f0 fdlock (&newfdp->fd_fd.fd_lock)
 2nd 0xfffff60070399e98 inode (&ip->i_lock)
lock order [1] fdlock (&newfdp->fd_fd.fd_lock) -> [2] inode (&ip->i_lock)
lock order data 0xffffffff834a679b -> 0xffffffff834944ad is missing
lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock)
#0  rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
#1  sblock+0xb6 sys/kern/uipc_socket2.c:536
#2  soreceive+0x27d sys/kern/uipc_socket.c:890
#3  fifo_read+0x117 sys/miscfs/fifofs/fifo_vnops.c:264
#4  VOP_READ+0x101 sys/kern/vfs_vops.c:227
#5  vn_rdwr+0x15b sys/kern/vfs_vnops.c:-1
#6  vndsetcred+0xa1 sys/dev/vnd.c:685
#7  vndioctl+0xdfc sys/dev/vnd.c:486
#8  VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
#9  vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537
#10 sys_ioctl+0x674 sys/kern/sys_generic.c:-1
#11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#12 Xsyscall+0x128
lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] fdlock (&newfdp->fd_fd.fd_lock)
#0  rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
#1  unp_externalize+0x3cf sys/kern/uipc_usrreq.c:1074
#2  soreceive+0xc24 sys/kern/uipc_socket.c:1029
#3  recvit+0x40b sys/kern/uipc_syscalls.c:1078
#4  sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:878
#5  syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#5  syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
#6  Xsyscall+0x128
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
ddb{1}> 
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
the kernel did not panic
ddb{1}> show kasan
No such command
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(fffff60070399e98,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffff60070399e80,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffff60070399e80,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffff600704a3298,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
vn_lock(fffff600704a3298,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:576
vn_closefile(fffff6006cf0c360,ffff800045fee7e0) at vn_closefile+0x111 vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffff6006cf0c360,ffff800045fee7e0) at vn_closefile+0x111 sys/kern/vfs_vnops.c:621
fdrop(fffff6006cf0c360,ffff800045fee7e0) at fdrop+0x121 sys/kern/kern_descrip.c:1281
knote_remove(ffff800045fee7e0,fffff6006fcf6000,fffff6006fcf6090,3,0) at knote_remove+0x368 sys/kern/kern_event.c:2186
knote_fdclose(ffff800045fee7e0,3) at knote_fdclose+0xf9 sys/kern/kern_event.c:2221
fdrelease(ffff800045fee7e0,3) at fdrelease+0xf9 sys/kern/kern_descrip.c:761
syscall(ffff80002a282f30) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a282f30) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3a3cea85620, count: -13
ddb{1}> show registers
rdi                                0
rsi                          0x80000    acpi_pdirpa+0x6be71
rbp               0xffff80002a282a30
rbx                                0
rdx               0xffff8000016071c0
rcx               0xffff800045fee7e0
rax                          0x7ffff    acpi_pdirpa+0x6be70
r8                0xffff80002a282910
r9                0x8080808080808080
r10               0xb742617cc6e02a56
r11               0xcc222c69a9d70abb
r12               0xfffff600040cbd80
r13               0xfffff600048b7f98
r14                              0x3
r15               0xffffffff8352d5eb    substchar+0xfcaf
rip               0xffffffff8202e225    db_enter+0x25
cs                               0x8
rflags                         0x246
rsp               0xffff80002a282a20
ss                              0x10
db_enter+0x25:  addq    $0x8,%rsp
ddb{1}>