witness: lock order reversal: 1st 0xffff800010fdadd0 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd807abfc6e0 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff834a8bf6 -> 0xffffffff8342285f 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:531 #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:783 #12 Xsyscall+0x128 lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] sbufsnd (&so->so_snd.sb_lock) #0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 #1 sblock+0xb6 sys/kern/uipc_socket2.c:536 #2 sosplice+0x312 sys/kern/uipc_socket.c:1347 #3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1226 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #5 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}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(fffffd807abfc6e0,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd807abfc6c8,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd807abfc6c8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd806375d460,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 vn_lock(fffffd806375d460,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c470a40) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80003c470a40) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fdabe8,fffffd806363d500,ffff80003c45e560) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff800010fdabe8,fffffd806363dc00,fffffd806363d500,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff800010fdabe8,fffffd806363d500,ffff80003c470cc8,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003c45e560,5,ffff80003c470e48,e,ffff80003c470f00) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff80003c45e560,ffff80003c470fb0,ffff80003c470f00) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80003c470fb0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c470fb0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x66f71d5c240, count: -15 ddb{1}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80003c4706b0 rbx 0 rdx 0xffff8000015ee600 rcx 0xffff80003c45e560 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80003c470590 r9 0x8080808080808080 r10 0x92b9f81beebbc160 r11 0x873cae47d2a70771 r12 0xfffffd80040458c0 r13 0xfffffd800482d8a0 r14 0x3 r15 0xffffffff834ba9b1 substchar+0xee4e rip 0xffffffff82e4f2c5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4706a0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=517799 pid=47114 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=86, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c45f258,0xffffffff839c4ed8 process=0xffff8000fffeb508 user=0xffff80003c46c000, vmspace=0xfffffd806cadb5d8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 504 313310 93847 0 7 0 syz-executor 36085 27744 15749 0 2 0 syz-executor 47114 221952 89866 0 2 0 syz-executor 47114 210392 89866 0 3 0x4000080 sbwait syz-executor *47114 517799 89866 0 7 0x4000000 syz-executor 9633 58168 39264 0 3 0x80 nanoslp syz-executor 9633 151406 39264 0 3 0x4000080 semwait syz-executor 9633 254920 39264 0 3 0x4000080 fsleep syz-executor 60478 222744 46009 0 3 0x80 nanoslp syz-executor 60478 136136 46009 0 3 0x4000080 fsleep syz-executor 60478 498342 46009 0 3 0x4000080 lockf syz-executor 60478 423078 46009 0 3 0x4000080 fsleep syz-executor 86429 13708 1 0 3 0x100083 ttyopn getty 67650 509 0 0 3 0x14200 acct acct 22845 515481 33668 0 3 0x2 biowait syz-executor 74391 195407 33668 0 2 0x2 syz-executor 39264 116810 33668 0 3 0x82 nanoslp syz-executor 46009 118020 33668 0 3 0x82 nanoslp syz-executor 93847 182604 33668 0 3 0x82 nanoslp syz-executor 89866 143146 33668 0 3 0x82 nanoslp syz-executor 81682 260023 33668 0 3 0x2 getblk syz-executor 15749 295533 33668 0 3 0x82 nanoslp syz-executor 33668 92935 28852 0 2 0x2 syz-executor 28852 467841 99245 0 3 0x10008a sigsusp ksh 99245 270023 79776 0 3 0x98 kqread sshd-session 79776 441897 76756 0 3 0x92 kqread sshd-session 76756 402741 1 0 3 0x88 kqread sshd 18759 101124 5993 74 3 0x1100092 bpf pflogd 5993 133854 1 0 3 0x80 sbwait pflogd 67131 515132 23756 73 3 0x1100090 kqread syslogd 23756 522992 1 0 3 0x100082 sbwait syslogd 83820 426998 1 0 3 0x100080 kqread resolvd 41594 458939 86438 77 3 0x100092 kqread dhcpleased 42612 136151 86438 77 3 0x100092 kqread dhcpleased 86438 110449 1 0 3 0x80 kqread dhcpleased 55987 365266 0 0 3 0x14200 bored smr 40906 173235 0 0 2 0x14200 zerothread 15802 246956 0 0 3 0x14200 aiodoned aiodoned 32315 373286 0 0 3 0x14200 syncer update 24307 153263 0 0 3 0x14200 cleaner cleaner 31785 164707 0 0 3 0x14200 reaper reaper 68253 160002 0 0 3 0x14200 pgdaemon pagedaemon 51817 91365 0 0 3 0x14200 bored viomb 39517 365580 0 0 3 0x40014200 acpi0 acpi0 50592 56904 0 0 3 0x40014200 idle1 70486 95537 0 0 3 0x14200 bored softnet1 51042 307078 0 0 2 0x14200 softnet0 56064 364105 0 0 3 0x14200 bored systqmp 89045 301550 0 0 3 0x14200 bored systq 52664 401086 0 0 3 0x14200 tmoslp softclockmp 32044 130017 0 0 3 0x40014200 tmoslp softclock 30709 184132 0 0 3 0x40014200 idle0 1 169683 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 47114 (syz-executor) thread 0xffff80003c45e560 (517799) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83997f80) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 unp_connect+0x28c sys/kern/uipc_usrreq.c:872 #2 uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 #3 sosend+0x804 sys/kern/uipc_socket.c:-1 #4 sendit+0x5a5 sys/kern/uipc_syscalls.c:785 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff800010fdadd0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 sblock+0xb6 sys/kern/uipc_socket2.c:536 #3 sosend+0x2e9 sys/kern/uipc_socket.c:639 #4 sendit+0x5a5 sys/kern/uipc_syscalls.c:785 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 Process 22845 (syz-executor) thread 0xffff8000fffef240 (515481) exclusive rrwlock inode r = 0 (0xfffffd806c7701f0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x98a sys/kern/vfs_lookup.c:567 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d359b20) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 81682 (syz-executor) thread 0xffff8000ffffd230 (260023) exclusive rrwlock inode r = 0 (0xfffffd807abfcb80) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x98a sys/kern/vfs_lookup.c:567 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d6e47a0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11078 12157K 12609K 166960K 12836 0 pcb 18 12K 12K 166960K 113 0 rtable 228 7K 8K 166960K 424 0 pf 37 18K 18K 166960K 87 0 ifaddr 40 6K 7K 166960K 63 0 ifgroup 62 2K 2K 166960K 106 0 sysctl 4 1K 9K 166960K 17 0 counters 72 37K 37K 166960K 102 0 ioctlops 0 0K 4K 166960K 1586 0 iov 0 0K 16K 166960K 33 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1280 81K 82K 166960K 2018 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 13 0K 0K 166960K 18 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 236K 166960K 2626 0 sigio 0 0K 0K 166960K 16 0 proc 72 115K 164K 166960K 635 0 subproc 72 4K 4K 166960K 73 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 120 0 in_multi 87 6K 7K 166960K 122 0 ether_multi 1 0K 0K 166960K 4 0 mrt 2 0K 0K 166960K 22 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 488 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 213 167K 186K 166960K 22455 0 UVM aobj 10 14K 14K 166960K 10 0 pinsyscall 40 80K 102K 166960K 3750 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 19 0 NDP 13 0K 2K 166960K 44 0 temp 49 9077K 9333K 166960K 49820 0 kqueue 13 20K 24K 166960K 127 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 83 0 80 1 0 1 1 0 8 0 rtentry 176 120 0 21 6 0 6 6 0 8 0 unpcb 144 328 0 308 1 0 1 1 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 148 0 144 1 0 1 1 0 8 0 arp 136 20 0 5 1 0 1 1 0 8 0 inpcb 328 506 0 498 1 0 1 1 0 8 0 nd6 152 26 0 3 1 0 1 1 0 8 0 pkpcb 40 9 0 9 3 2 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 10 0 10 1 0 1 1 0 8 1 pffrag 232 14 0 3 1 0 1 1 0 482 0 pffrnode 88 14 0 3 1 0 1 1 0 8 0 pffrent 40 23 0 12 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 79 0 25 1 0 1 1 0 8 0 pfstkey 128 79 0 25 2 0 2 2 0 8 0 pfstate 448 79 0 25 7 0 7 7 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 476 0 55 30 2 28 30 0 8 0 art_table 40 478 0 55 5 0 5 5 0 8 0 art_node 32 118 0 29 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 9 1 0 1 1 0 8 0 semupl 112 4 0 4 2 2 0 1 0 8 0 semapl 112 13 0 3 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 4888 0 3427 93 0 93 93 0 8 0 ffsino 296 4888 0 3427 114 0 114 114 0 8 0 nchpl 144 7772 0 6079 64 0 64 64 0 8 0 vnodes 216 5264 0 0 293 0 293 293 0 8 0 namei 1024 18331 0 18330 3 2 1 2 0 8 0 percpumem 16 66 0 15 1 0 1 1 0 8 0 vcpupl 3968 5 0 0 1 0 1 1 0 8 0 vmpool 848 5 0 0 1 0 1 1 0 8 0 kstatmem 264 60 0 30 3 0 3 3 0 8 1 scsiplug 72 5 0 5 1 0 1 1 0 8 1 scxspl 216 24620 0 24619 11 10 1 8 1 8 0 plimitpl 152 57 0 40 1 0 1 1 0 8 0 sigapl 424 2941 0 2895 9 1 8 8 0 8 2 knotepl 120 330 0 0 10 0 10 10 0 8 0 kqueuepl 224 141 0 132 1 0 1 1 0 8 0 pipepl 344 152 0 125 3 0 3 3 0 8 0 fdescpl 528 2904 0 2875 3 0 3 3 0 8 0 filepl 160 6025 0 5811 11 1 10 10 0 8 0 lockfpl 104 280 0 276 1 0 1 1 0 8 0 lockfspl 48 122 0 119 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 35 0 18 1 0 1 1 0 8 0 ucredpl 104 457 0 444 1 0 1 1 0 8 0 zombiepl 144 2946 0 2946 3 2 1 1 0 8 1 processpl 1232 2941 0 2895 7 1 6 7 0 8 1 procpl 664 5636 0 5583 7 0 7 7 0 8 1 sockpl 752 946 0 915 6 2 4 4 0 8 0 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 16 0 0 2 0 2 2 0 8 0 mcl9k 9216 13 0 0 1 0 1 1 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 113 0 0 15 0 15 15 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 1205 0 0 76 0 76 76 0 8 0 bufpl 280 6234 0 111 438 0 438 438 0 8 0 anonpl 32 11543 0 0 93 0 93 93 0 246 0 amapchunkpl 152 75948 0 75550 37 9 28 28 0 158 9 amappl16 200 5929 0 5899 45 34 11 28 0 8 8 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 429 0 428 1 0 1 1 0 8 0 amappl13 176 120 0 107 1 0 1 1 0 8 0 amappl12 168 3156 0 3127 2 0 2 2 0 8 0 amappl11 160 36 0 36 1 1 0 1 0 8 0 amappl10 152 63 0 49 1 0 1 1 0 8 0 amappl9 144 261 0 261 1 1 0 1 0 8 0 amappl8 136 102 0 100 1 0 1 1 0 8 0 amappl7 128 184 0 170 1 0 1 1 0 8 0 amappl6 120 164 0 163 1 0 1 1 0 8 0 amappl5 112 96 0 86 1 0 1 1 0 8 0 amappl4 104 294 0 274 1 0 1 1 0 8 0 amappl3 96 16966 0 16870 4 0 4 4 0 8 0 amappl2 88 531 0 473 2 0 2 2 0 8 0 amappl1 80 19174 0 18585 15 2 13 15 0 8 0 amappl 88 21581 0 21440 5 0 5 5 0 92 1 uvmvnodes 80 118 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 254 0 254 2 2 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 9 0 0 1 0 1 1 0 8 0 uaddrrnd 24 2904 0 2875 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2904 0 2875 1 0 1 1 0 8 0 vmmpekpl 168 18811 0 18772 3 0 3 3 0 8 0 vmmpepl 168 171230 0 169444 115 8 107 107 0 357 22 vmsppl 488 2903 0 2875 5 1 4 5 0 8 0 rwobjpl 80 39195 0 38170 33 1 32 32 0 8 5 pdppl 4096 5825 0 5755 109 33 76 85 0 8 6 pvpl 32 20716 0 0 168 1 167 167 0 265 0 pmappl 256 2908 0 2875 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 362 0 42 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8392cff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83997780) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83997780) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff800032f92760,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83997780) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83997780) at __mp_lock+0x192 sys/kern/kern_lock.c:173 syscall(ffff800032f92930) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff800032f92930) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78b083b8af60, count: -9 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(fffffd807abfc6e0,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd807abfc6c8,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd807abfc6c8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd806375d460,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 vn_lock(fffffd806375d460,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c470a40) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80003c470a40) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fdabe8,fffffd806363d500,ffff80003c45e560) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff800010fdabe8,fffffd806363dc00,fffffd806363d500,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff800010fdabe8,fffffd806363d500,ffff80003c470cc8,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003c45e560,5,ffff80003c470e48,e,ffff80003c470f00) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff80003c45e560,ffff80003c470fb0,ffff80003c470f00) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80003c470fb0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c470fb0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x66f71d5c240, count: -15