login: witness: lock order reversal:
 1st 0xffff80002a261b38 fdlock (&newfdp->fd_fd.fd_lock)
 2nd 0xfffff18070374d70 inode (&ip->i_lock)
lock order [1] fdlock (&newfdp->fd_fd.fd_lock) -> [2] inode (&ip->i_lock)
lock order data 0xffffffff834d0d50 -> 0xffffffff834cb58f 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:1077
#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{0}> 
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> show kasan
No such command
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
witness_checkorder(fffff18070374d70,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1
rw_do_enter_write(fffff18070374d58,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234
rrw_enter(fffff18070374d58,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
VOP_LOCK(fffff18070475370,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
vn_lock(fffff18070475370,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:576
vn_closefile(fffff1806dda20b8,ffff80002a21b240) at vn_closefile+0x111 vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffff1806dda20b8,ffff80002a21b240) at vn_closefile+0x111 sys/kern/vfs_vnops.c:621
fdrop(fffff1806dda20b8,ffff80002a21b240) at fdrop+0x121 sys/kern/kern_descrip.c:1281
knote_remove(ffff80002a21b240,fffff1807af8a0e0,fffff1807af8a170,4,0) at knote_remove+0x368 sys/kern/kern_event.c:2186
knote_fdclose(ffff80002a21b240,4) at knote_fdclose+0xf9 sys/kern/kern_event.c:2221
fdrelease(ffff80002a21b240,4) at fdrelease+0xf9 sys/kern/kern_descrip.c:761
sys_closefrom(ffff80002a21b240,ffff80002a29e810,ffff80002a29e760) at sys_closefrom+0x13c sys/kern/kern_descrip.c:1471
syscall(ffff80002a29e810) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a29e810) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x664cdde0150, count: -14
ddb{0}> show registers
rdi                                0
rsi                          0x80000    acpi_pdirpa+0x6be71
rbp               0xffff80002a29e2a0
rbx                                0
rdx               0xffff800001603380
rcx               0xffff80002a21b240
rax                          0x7ffff    acpi_pdirpa+0x6be70
r8                0xffff80002a29e180
r9                0x8080808080808080
r10               0x9be3c7d489f21389
r11               0xabb25393e68bdddd
r12               0xfffff18004103d80
r13               0xfffff180048f1670
r14                              0x3
r15               0xffffffff8355c928    substchar+0x6817
rip               0xffffffff82a40625    db_enter+0x25
cs                               0x8
rflags                         0x246
rsp               0xffff80002a29e290
ss                              0x10
db_enter+0x25:  addq    $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=423813 pid=65212 tcnt=3 stat=onproc
    flags process=0 proc=4000000<THREAD>
    runpri=86, usrpri=86, slppri=16, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff80002a21aa78,0xffff800045ffc018
    process=0xffff800045feb090 user=0xffff80002a299000, vmspace=0xfffff1800b1f77a0
    estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{0}>