witness: lock order reversal: 1st 0xffff800010fdaac8 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd806ae440e8 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff83412b2d -> 0xffffffff83384f88 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:775 #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:1227 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #5 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}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(fffffd806ae440e8,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd806ae440d0,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd806ae440d0,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd806106a1b0,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 vn_lock(fffffd806106a1b0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c542ea0) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80003c542ea0) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fda8e0,fffffd805f34f100,ffff8000fffe9a18) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff800010fda8e0,fffffd807eb52400,fffffd805f34f100,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff800010fda8e0,fffffd805f34f100,ffff80003c543128,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000fffe9a18,6,ffff80003c5432a8,e,ffff80003c543360) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff8000fffe9a18,ffff80003c543410,ffff80003c543360) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80003c543410) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c543410) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x30f101ab060, count: -15 ddb{0}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80003c542b10 rbx 0 rdx 0xffff800001586fc0 rcx 0xffff8000fffe9a18 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80003c5429f0 r9 0x8080808080808080 r10 0xceff54facc30b739 r11 0xba863fa7189b3efc r12 0xfffffd8003f5c8c0 r13 0xfffffd80047431c8 r14 0x3 r15 0xffffffff8341c190 substchar+0x3540 rip 0xffffffff831ea265 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c542b00 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=343614 pid=87064 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffe87f0,0xffffffff83940818 process=0xffff80003c50f048 user=0xffff80003c53e000, vmspace=0xfffffd8078b629a0 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 87064 205795 85244 0 7 0 syz-executor *87064 343614 85244 0 7 0x4000000 syz-executor 13060 272406 62192 0 3 0x80 nanoslp syz-executor 13060 234733 62192 0 3 0x4000080 msgwait syz-executor 13060 131771 62192 0 3 0x4000080 fsleep syz-executor 44113 415108 92614 0 3 0x80 nanoslp syz-executor 44113 298020 92614 0 3 0x4000080 ttyopn syz-executor 44113 391716 92614 0 3 0x4000080 fsleep syz-executor 38133 251267 18904 0 3 0x80 nanoslp syz-executor 38133 127231 18904 0 3 0x4000080 sbwait syz-executor 38133 262107 18904 0 3 0x4000080 fsleep syz-executor 28296 379598 16596 0 3 0x80 nanoslp syz-executor 28296 33253 16596 0 3 0x4000080 kqread syz-executor 28296 343758 16596 0 3 0x4000080 fsleep syz-executor 28296 436541 16596 0 3 0x4000080 fsleep syz-executor 19652 126427 34062 0 3 0x80 nanoslp syz-executor 19652 333270 34062 0 3 0x4000080 kqsel syz-executor 19652 73513 34062 0 3 0x4000080 fsleep syz-executor 78517 365777 96487 -1 3 0x90 nanoslp syz-executor 78517 237191 96487 -1 3 0x4000010 biowait syz-executor 78517 441521 96487 -1 3 0x4000010 inode syz-executor 78517 113731 96487 -1 3 0x4000010 inode syz-executor 78517 355157 96487 -1 3 0x4000090 fsleep syz-executor 78517 370847 96487 -1 3 0x4000010 inode syz-executor 78517 190665 96487 -1 3 0x4000090 fsleep syz-executor 39993 377570 1 0 3 0x100083 ttyin getty 97071 496895 0 0 3 0x14200 acct acct 91153 280241 0 0 3 0x14280 nfsidl nfsio 57256 19484 0 0 3 0x14280 nfsidl nfsio 79196 68338 0 0 3 0x14280 nfsidl nfsio 42445 450879 0 0 3 0x14280 nfsidl nfsio 7229 502445 0 0 3 0x14280 nfsidl nfsio 53174 430820 0 0 3 0x14280 nfsidl nfsio 10091 250500 0 0 3 0x14280 nfsidl nfsio 50065 26556 0 0 3 0x14280 nfsidl nfsio 56714 47258 0 0 3 0x14280 nfsidl nfsio 8288 46788 0 0 3 0x14280 nfsidl nfsio 9628 348805 0 0 3 0x14280 nfsidl nfsio 97461 453983 0 0 3 0x14280 nfsidl nfsio 40503 48777 0 0 3 0x14280 nfsidl nfsio 4683 194272 0 0 3 0x14280 nfsidl nfsio 99137 217814 0 0 3 0x14280 nfsidl nfsio 1595 172826 0 0 3 0x14280 nfsidl nfsio 41743 150064 0 0 3 0x14280 nfsidl nfsio 77139 462073 0 0 3 0x14280 nfsidl nfsio 74792 258662 0 0 3 0x14280 nfsidl nfsio 32553 296814 0 0 3 0x14280 nfsidl nfsio 18904 96199 69885 0 3 0x82 nanoslp syz-executor 62192 370048 69885 0 3 0x82 nanoslp syz-executor 92614 442715 69885 0 3 0x82 nanoslp syz-executor 85244 357647 69885 0 3 0x82 nanoslp syz-executor 96487 344926 69885 0 3 0x82 nanoslp syz-executor 34062 55984 69885 0 3 0x82 nanoslp syz-executor 16596 368606 69885 0 3 0x82 nanoslp syz-executor 23177 27642 69885 0 3 0x82 wait syz-executor 69885 419657 9704 0 3 0x82 kqread syz-executor 9704 379635 64897 0 3 0x10008a sigsusp ksh 64897 269916 80748 0 3 0x98 kqread sshd-session 80748 361406 38011 0 3 0x92 kqread sshd-session 38011 214390 1 0 3 0x88 kqread sshd 65332 342509 34704 74 3 0x1100092 bpf pflogd 34704 17292 1 0 3 0x80 sbwait pflogd 51681 354598 63461 73 3 0x1100090 kqread syslogd 63461 197820 1 0 3 0x100082 sbwait syslogd 42355 231853 1 0 3 0x100080 kqread resolvd 25566 345549 23658 77 3 0x100092 kqread dhcpleased 84925 363021 23658 77 3 0x100092 kqread dhcpleased 23658 391268 1 0 3 0x80 kqread dhcpleased 91835 460343 0 0 3 0x14200 bored smr 95290 155685 0 0 3 0x14200 pgzero zerothread 12660 437887 0 0 3 0x14200 aiodoned aiodoned 11343 72539 0 0 3 0x14200 syncer update 84950 346110 0 0 3 0x14200 cleaner cleaner 73336 28988 0 0 3 0x14200 reaper reaper 6237 206880 0 0 3 0x14200 pgdaemon pagedaemon 72276 489817 0 0 3 0x14200 bored viomb 25815 285420 0 0 3 0x40014200 acpi0 acpi0 41166 437878 0 0 3 0x40014200 idle1 64706 385317 0 0 3 0x14200 bored softnet1 14522 373406 0 0 3 0x14200 bored softnet0 62902 82351 0 0 3 0x14200 smrbar systqmp 29907 313227 0 0 3 0x14200 bored systq 88743 183729 0 0 3 0x14200 tmoslp softclockmp 45929 173721 0 0 3 0x40014200 tmoslp softclock 51536 391031 0 0 3 0x40014200 idle0 1 160679 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 87064 (syz-executor) thread 0xffff8000fffe9a18 (343614) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839333c0) #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:775 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff800010fdaac8) #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:775 #7 Xsyscall+0x128 Process 78517 (syz-executor) thread 0xffff8000fffe94e8 (237191) exclusive rrwlock inode r = 0 (0xfffffd807eada240) #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 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 78517 (syz-executor) thread 0xffff8000fffe9cb0 (441521) exclusive rrwlock inode r = 0 (0xfffffd806f0236e0) #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 dorenameat+0x91 sys/kern/vfs_syscalls.c:2990 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 62902 (systqmp) thread 0xffff8000ffffea60 (82351) shared rwlock systqmp r = 0 (0xffffffff838a1bc8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11091 12103K 13035K 166960K 13109 0 pcb 20 18K 23K 166960K 427 0 rtable 209 11K 13K 166960K 553 0 pf 36 18K 21K 166960K 181 0 ifaddr 36 6K 8K 166960K 115 0 ifgroup 51 2K 2K 166960K 182 0 sysctl 4 1K 9K 166960K 19 0 counters 68 36K 38K 166960K 208 0 ioctlops 0 0K 6K 166960K 1793 0 iov 0 0K 20K 166960K 59 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1395 88K 89K 166960K 2159 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 39 0 dirhash 12 2K 2K 166960K 45 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 1138 0 sigio 0 0K 0K 166960K 16 0 proc 72 115K 180K 166960K 700 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 188 0 in_multi 78 5K 7K 166960K 180 0 ether_multi 2 0K 0K 166960K 13 0 mrt 4 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 594 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 265 169K 186K 166960K 12094 0 UVM aobj 58 86K 86K 166960K 59 0 pinsyscall 43 86K 106K 166960K 2310 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 85 0 NDP 11 0K 2K 166960K 82 0 temp 61 8683K 8749K 166960K 46219 0 kqueue 15 24K 28K 166960K 224 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 120 132 0 129 2 1 1 2 0 8 0 rtentry 176 155 0 74 6 0 6 6 0 8 0 unpcb 144 929 0 908 8 5 3 6 0 8 2 syncache 336 6 0 6 2 2 0 1 0 8 0 tcpcb 736 598 0 591 15 8 7 7 0 8 6 arp 136 23 0 9 1 0 1 1 0 8 0 inpcb 328 1723 0 1709 26 19 7 21 0 8 5 nd6 152 35 0 14 2 0 2 2 0 8 0 pkpcb 40 8 0 8 2 2 0 1 0 8 0 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 56 0 56 1 0 1 1 0 8 1 pppxif 1504 6 0 6 1 1 0 1 0 8 0 pffrag 232 17 0 8 1 0 1 1 0 482 0 pffrnode 88 17 0 8 1 0 1 1 0 8 0 pffrent 40 28 0 19 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 pfrktable 1344 11 0 8 1 0 1 1 0 8 0 pfanchor 1288 2 0 1 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 2 0 0 1 0 1 1 0 8 0 pfstate 448 1 0 0 1 0 1 1 0 8 0 pfrule 1360 7 0 3 1 0 1 1 0 8 0 rttmr 136 1 0 0 1 0 1 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 693 0 330 29 3 26 29 0 8 2 art_table 40 695 0 330 5 0 5 5 0 8 0 art_node 32 154 0 82 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 8 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 37 0 27 1 0 1 1 0 8 0 shmpl 112 16 0 1 1 0 1 1 0 8 0 dirhash 1024 40 0 23 3 0 3 3 0 8 0 dino2pl 256 3601 0 2088 96 0 96 96 0 8 0 ffsino 296 3601 0 2088 118 0 118 118 0 8 0 nchpl 144 5174 0 3465 64 0 64 64 0 8 0 rtmask 32 10 0 10 1 1 0 1 0 8 0 vnodes 216 3992 0 0 222 0 222 222 0 8 0 namei 1024 18183 0 18179 4 3 1 2 0 8 0 percpumem 16 119 0 70 1 0 1 1 0 8 0 vcpupl 3968 40 0 0 5 0 5 5 0 8 0 vmpool 848 40 0 0 5 0 5 5 0 8 0 pfiaddrpl 120 3 0 1 1 0 1 1 0 8 0 kstatmem 264 122 0 96 4 1 3 3 0 8 1 scsiplug 72 10 0 10 2 1 1 1 0 8 1 scxspl 216 35629 0 35628 12 9 3 8 1 8 2 plimitpl 152 356 0 336 1 0 1 1 0 8 0 sigapl 424 1456 0 1387 9 1 8 8 0 8 0 knotepl 120 766 0 0 23 0 23 23 0 8 0 kqueuepl 224 542 0 530 9 8 1 5 0 8 0 pipepl 344 195 0 168 3 0 3 3 0 8 0 fdescpl 528 1415 0 1383 3 0 3 3 0 8 0 filepl 160 10022 0 9782 27 13 14 24 0 8 0 lockfpl 104 590 0 586 2 1 1 2 0 8 0 lockfspl 48 146 0 142 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 47 0 30 1 0 1 1 0 8 0 ucredpl 104 1600 0 1586 1 0 1 1 0 8 0 zombiepl 144 1388 0 1387 1 0 1 1 0 8 0 processpl 1232 1456 0 1387 6 0 6 6 0 8 0 procpl 664 3220 0 3133 8 0 8 8 0 8 0 sosppl 176 4 0 4 2 2 0 1 0 8 0 sockpl 752 2850 0 2812 50 39 11 34 0 8 7 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 114 0 0 15 0 15 15 0 8 1 mcl2k 2048 27 0 0 4 0 4 4 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 1168 0 0 73 0 73 73 0 8 0 bufpl 280 14696 0 8560 439 0 439 439 0 8 0 anonpl 32 11821 0 0 97 1 96 96 0 246 0 amapchunkpl 152 41706 0 41166 36 6 30 35 0 158 7 amappl16 200 5687 0 5550 57 37 20 31 0 8 4 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 22 0 22 2 2 0 1 0 8 0 amappl13 176 451 0 450 1 0 1 1 0 8 0 amappl12 168 1794 0 1751 3 0 3 3 0 8 0 amappl11 160 10 0 10 2 2 0 1 0 8 0 amappl10 152 51 0 37 1 0 1 1 0 8 0 amappl9 144 248 0 248 1 1 0 1 0 8 0 amappl8 136 26 0 23 1 0 1 1 0 8 0 amappl7 128 89 0 88 1 0 1 1 0 8 0 amappl6 120 309 0 296 1 0 1 1 0 8 0 amappl5 112 82 0 71 1 0 1 1 0 8 0 amappl4 104 432 0 401 1 0 1 1 0 8 0 amappl3 96 7092 0 6990 4 1 3 3 0 8 0 amappl2 88 1533 0 1456 2 0 2 2 0 8 0 amappl1 80 13851 0 13250 14 0 14 14 0 8 0 amappl 88 11148 0 10964 5 0 5 5 0 92 0 uvmvnodes 80 151 0 0 4 0 4 4 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 3 0 3 2 1 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma512 512 1 0 1 1 1 0 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 58 0 1 2 0 2 2 0 8 0 uaddrrnd 24 1415 0 1383 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1415 0 1383 1 0 1 1 0 8 0 vmmpekpl 168 11811 0 11755 3 0 3 3 0 8 0 vmmpepl 168 96240 0 94121 121 15 106 112 0 357 4 vmsppl 488 1414 0 1383 5 0 5 5 0 8 0 rwobjpl 80 28295 0 27025 39 8 31 35 0 8 0 pdppl 4096 2917 0 2806 144 32 112 112 0 8 1 pvpl 32 19402 0 0 157 0 157 157 0 265 0 pmappl 256 1454 0 1383 5 0 5 5 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 404 0 54 10 0 10 10 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(fffffd806ae440e8,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd806ae440d0,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd806ae440d0,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd806106a1b0,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 vn_lock(fffffd806106a1b0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c542ea0) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80003c542ea0) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fda8e0,fffffd805f34f100,ffff8000fffe9a18) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff800010fda8e0,fffffd807eb52400,fffffd805f34f100,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff800010fda8e0,fffffd805f34f100,ffff80003c543128,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000fffe9a18,6,ffff80003c5432a8,e,ffff80003c543360) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff8000fffe9a18,ffff80003c543410,ffff80003c543360) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80003c543410) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c543410) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x30f101ab060, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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(ffffffff83932bc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83932bc0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 syscall(ffff8000347ee920) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff8000347ee920) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x745260c72010, count: -6