witness: denied attempt to set clock forward to 283467841537 lock order reversal: denied attempt to set clock forward to 283467841537 1st 0xffff800010fd4450 sbufsnd (&so->so_snd.sb_lock) denied attempt to set clock forward to 283467841537 2nd 0xfffffd8055a7ff80 inode (&ip->i_lock) denied attempt to set clock forward to 283467841537 lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) denied attempt to set clock forward to 283467841537 lock order data 0xffffffff830a5026 -> 0xffffffff8304fe51 is missing denied attempt to set clock forward to 283467841537 lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock) denied attempt to set clock forward to 283467841537 #0 denied attempt to set clock forward to 283467841537 rw_enterdenied attempt to set clock forward to 283467841537 +0x122denied attempt to set clock forward to 283467841537 denied attempt to set clock forward to 283467841537 #1 denied attempt to set clock forward to 283467841537 sblockdenied attempt to set clock forward to 283467841537 +0xb7denied attempt to set clock forward to 283467841537 denied attempt to set clock forward to 283467841537 #2 denied attempt to set clock forward to 283467841537 soreceivedenied attempt to set clock forward to 283467841537 +0x298denied attempt to set clock forward to 283467841537 #3 fifo_read+0x11a sys/miscfs/fifofs/fifo_vnops.c:264 #4 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #5 vn_rdwr+0x15b #6 vndsetcred+0xa1 sys/dev/vnd.c:684 #7 vndioctl+0xe6c sys/dev/vnd.c:485 #8 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #9 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #10 sys_ioctl+0x67c #11 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #11 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] sbufsnd (&so->so_snd.sb_lock) #0 rw_enter+0x122 #1 sblock+0xb7 sys/kern/uipc_socket2.c:549 #2 sosplice+0x3e3 sys/kern/uipc_socket.c:1386 #3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1231 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #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:437 witness_checkorder(fffffd8055a7ff80,9,0) at witness_checkorder+0x1024 rw_enter(fffffd8055a7ff70,1) at rw_enter+0x122 rrw_enter(fffffd8055a7ff70,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd80664705f0,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd80664705f0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff80002a1458a8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80002a1458a8) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fd42a8,fffffd806c240100,ffff8000ffffc7a8) at unp_connect+0x27d sys/kern/uipc_usrreq.c:862 uipc_dgram_send(ffff800010fd42a8,fffffd806c240d00,fffffd806c240100,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:601 sosend(ffff800010fd42a8,fffffd806c240100,ffff80002a145b38,0,0,0) at sosend+0xa43 sendit(ffff8000ffffc7a8,4,ffff80002a145cb0,0,ffff80002a145d70) at sendit+0x721 sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff8000ffffc7a8,ffff80002a145e20,ffff80002a145d70) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 syscall(ffff80002a145e20) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a145e20) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x47281a1fd50, count: -15 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a145500 rbx 0xffffffff83065a89 pp_r600_decoded_lanes+0x347e8 rdx 0 rcx 0xffff8000ffffc7a8 rax 0xffffffff83422ff0 cpu_info_full_primary+0x1ff0 r8 0xffff80002a1453e0 r9 0x8080808080808080 r10 0x738616164d0662ac r11 0x45395c41d7d2dddd r12 0xfffffd80042a8570 r13 0xfffffd8003abfdc0 r14 0x3 r15 0xffffffff rip 0xffffffff821ea615 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a1454f0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=280499 pid=25335 tcnt=3 stat=onproc flags process=8000010 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffffccb8,0xffff80002a0411e0 process=0xffff80002c85cdb0 user=0xffff80002a140000, vmspace=0xfffffd806bf23898 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 25335 79010 41446 0 2 0x8000010 syz-executor *25335 280499 41446 0 7 0xc000010 syz-executor 25335 124183 41446 0 3 0xc000090 fsleep syz-executor 8393 14740 38543 0 3 0x8000080 nanoslp syz-executor 8393 147213 38543 0 3 0xc000080 fsleep syz-executor 8393 230626 38543 0 3 0xc000080 fsleep syz-executor 8393 500080 38543 0 3 0xc000080 fsleep syz-executor 36318 515825 9675 0 3 0x8000080 nanoslp syz-executor 36318 84495 9675 0 3 0xc000080 kqread syz-executor 36318 240048 9675 0 3 0xc000080 fsleep syz-executor 7736 155291 33411 0 3 0x8000080 nanoslp syz-executor 7736 86353 33411 0 3 0xc000080 sbwait syz-executor 55630 212723 17358 0 3 0x8000080 nanoslp syz-executor 55630 314869 17358 0 3 0xc000080 kqread syz-executor 55630 308802 17358 0 3 0xc000080 fsleep syz-executor 21957 120914 1 0 3 0x18000082 nanoslp getty 77755 50910 78040 0 3 0x8000082 nanoslp syz-executor 61520 194272 78040 0 3 0x8000082 nanoslp syz-executor 41446 220600 78040 0 3 0x8000082 nanoslp syz-executor 33411 85768 78040 0 3 0x8000082 nanoslp syz-executor 17358 68636 78040 0 3 0x8000082 nanoslp syz-executor 55067 331828 78040 0 3 0x8000082 nanoslp syz-executor 9675 109492 78040 0 3 0x8000082 nanoslp syz-executor 38543 163616 78040 0 3 0x8000082 nanoslp syz-executor 78700 270794 0 0 3 0x14200 bored sosplice 78040 136157 96885 0 3 0x8000082 kqread syz-executor 96885 38922 27915 0 3 0x810008a sigsusp ksh 27915 240057 45404 0 3 0x18000098 kqread sshd-session 45404 274186 89816 0 3 0x18000092 kqread sshd-session 89816 473983 1 0 3 0x18000088 kqread sshd 22216 411560 95639 74 3 0x19100092 bpf pflogd 95639 383890 1 0 3 0x18000080 sbwait pflogd 86672 62707 21091 73 3 0x19100010 ffs_fsync syslogd 21091 442718 1 0 3 0x18100082 sbwait syslogd 11703 354807 1 0 3 0x18100080 kqread resolvd 62395 260635 71584 77 3 0x18100092 kqread dhcpleased 4286 479060 71584 77 3 0x18100092 kqread dhcpleased 71584 151693 1 0 3 0x18000080 kqread dhcpleased 94823 200024 0 0 3 0x14200 bored smr 95815 44539 0 0 3 0x14200 pgzero zerothread 86725 121537 0 0 3 0x14200 aiodoned aiodoned 8603 102008 0 0 3 0x14200 syncer update 80995 5521 0 0 3 0x14200 cleaner cleaner 83373 86441 0 0 3 0x14200 reaper reaper 97456 425225 0 0 3 0x14200 pgdaemon pagedaemon 45334 437711 0 0 3 0x14200 bored viomb 15166 277459 0 0 3 0x40014200 acpi0 acpi0 44784 213421 0 0 3 0x40014200 idle1 79499 367299 0 0 3 0x14200 bored softnet3 22273 222572 0 0 3 0x14200 bored softnet2 14909 410355 0 0 3 0x14200 bored softnet1 2707 207430 0 0 3 0x14200 bored softnet0 51357 267013 0 0 3 0x14200 bored systqmp 32213 59761 0 0 3 0x14200 bored systq 31539 393185 0 0 3 0x14200 tmoslp softclockmp 93571 307597 0 0 3 0x40014200 tmoslp softclock 17434 23922 0 0 3 0x40014200 idle0 1 240374 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 25335 (syz-executor) thread 0xffff8000ffffc7a8 (280499) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83505470) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 unp_connect+0x26c sys/kern/uipc_usrreq.c:862 #2 uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:601 #3 sosend+0xa43 #4 sendit+0x721 sys/kern/uipc_syscalls.c:786 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff800010fd4450) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sblock+0xb7 sys/kern/uipc_socket2.c:549 #3 sosend+0x2ff sys/kern/uipc_socket.c:611 #4 sendit+0x721 sys/kern/uipc_syscalls.c:786 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 86672 (syslogd) thread 0xffff8000ffffdbe8 (62707) exclusive rrwlock inode r = 0 (0xfffffd806e4961b0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2927 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10239 10327K 11358K 166960K 15617 0 pcb 20 16K 17K 166960K 412 0 rtable 206 14K 15K 166960K 5380 0 pf 36 10K 11K 166960K 415 0 ifaddr 42 16K 17K 166960K 707 0 ifgroup 60 2K 2K 166960K 743 0 sysctl 3 0K 2K 166960K 10 0 counters 66 36K 37K 166960K 422 0 ioctlops 0 0K 4K 166960K 1900 0 iov 0 0K 16K 166960K 180 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1559 98K 98K 166960K 6051 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 10K 18K 166960K 50 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 204 0 dirhash 15 2K 3K 166960K 48 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 18 65K 93K 166960K 4260 0 sigio 0 0K 0K 166960K 94 0 proc 70 91K 140K 166960K 5014 0 subproc 104 6K 7K 166960K 2122 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 290 0 in_multi 85 6K 7K 166960K 1842 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 10 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 211 943K 943K 166960K 211 0 exec 0 0K 1K 166960K 2763 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 260 97K 115K 166960K 32484 0 UVM aobj 70 3K 3K 166960K 75 0 pinsyscall 43 86K 106K 166960K 9388 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 216 0 NDP 13 0K 1K 166960K 516 0 temp 76 6816K 6892K 166960K 155230 0 kqueue 15 24K 30K 166960K 296 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 735 0 731 5 2 3 3 0 8 2 rtentry 112 1959 0 1868 6 3 3 4 0 8 0 unpcb 144 2704 0 2680 34 28 6 8 0 8 4 syncache 336 9 0 9 6 6 0 1 0 8 0 tcpcb 808 928 0 923 28 27 1 8 0 8 0 arp 120 363 0 348 1 0 1 1 0 8 0 inpcb 384 4006 0 3992 74 66 8 14 0 8 6 nd6 136 520 0 494 2 1 1 2 0 8 0 pkpcb 40 68 0 68 11 11 0 1 0 8 0 kcovpl 48 163 0 155 1 0 1 1 0 8 0 ppxss 1168 16 0 16 7 6 1 1 0 8 1 pffrag 232 20 0 17 1 0 1 1 0 482 0 pffrnode 88 17 0 14 1 0 1 1 0 8 0 pffrent 40 113 0 110 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 243 0 237 1 0 1 1 0 8 0 pfstkey 128 243 0 237 2 0 2 2 0 8 0 pfstate 376 243 0 237 6 4 2 4 0 8 0 pfrule 1344 29 0 24 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 7440 0 7052 45 18 27 30 0 8 2 art_table 32 7441 0 7052 4 0 4 4 0 8 0 art_node 16 1951 0 1870 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 7 1 0 1 1 0 8 0 semapl 112 201 0 191 1 0 1 1 0 8 0 shmpl 112 72 0 5 2 0 2 2 0 8 0 dirhash 1024 42 0 22 3 0 3 3 0 8 0 dino2pl 256 5590 0 3773 115 0 115 115 0 8 0 ffsino 272 5590 0 3773 122 0 122 122 0 8 0 nchpl 144 8674 0 6780 71 0 71 71 0 8 0 uvmvnodes 80 9152 0 0 187 0 187 187 0 8 0 vnodes 216 9152 0 0 509 0 509 509 0 8 0 namei 1024 47326 0 47325 13 12 1 2 0 8 0 percpumem 16 225 0 178 1 0 1 1 0 8 0 vcpupl 3904 70 0 2 9 0 9 9 0 8 0 vmpool 696 86 0 18 14 7 7 7 0 8 0 kstatmem 264 382 0 356 8 6 2 3 0 8 0 scsiplug 72 4 0 4 3 3 0 1 0 8 0 scxspl 216 93563 0 93562 19 17 2 8 1 8 1 plimitpl 152 823 0 806 1 0 1 1 0 8 0 sigapl 424 4284 0 4233 10 3 7 9 0 8 0 futexpl 64 41759 0 41753 17 16 1 1 0 8 0 knotepl 120 801 0 0 17 0 17 17 0 8 0 kqueuepl 216 809 0 795 13 12 1 5 0 8 0 pipepl 320 1010 0 983 13 5 8 8 0 8 5 fdescpl 496 4241 0 4209 8 3 5 5 0 8 0 filepl 152 27160 0 26887 75 54 21 23 0 8 8 lockfpl 104 896 0 894 2 1 1 2 0 8 0 lockfspl 48 380 0 378 1 0 1 1 0 8 0 sessionpl 144 178 0 170 1 0 1 1 0 8 0 pgrppl 48 361 0 345 1 0 1 1 0 8 0 ucredpl 104 3768 0 3753 1 0 1 1 0 8 0 zombiepl 144 4236 0 4233 1 0 1 1 0 8 0 processpl 1152 4284 0 4233 7 3 4 6 0 8 0 procpl 648 7574 0 7513 12 6 6 8 0 8 0 srpgc 96 15 0 15 5 4 1 1 0 8 1 sosppl 168 9 0 9 3 2 1 1 0 8 1 sockpl 664 7528 0 7486 98 86 12 23 0 8 8 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 11 0 0 2 0 2 2 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 353 0 0 30 4 26 30 0 8 0 mtagpl 96 74 0 0 2 0 2 2 0 8 0 mbufpl 256 738 0 0 35 0 35 35 0 8 0 bufpl 280 14624 0 5471 655 0 655 655 0 8 0 anonpl 24 606472 0 602767 147 95 52 99 0 185 11 amapchunkpl 152 105843 0 105294 91 59 32 50 0 158 10 amappl16 200 9425 0 9401 85 73 12 14 0 8 8 amappl15 192 17 0 17 2 2 0 1 0 8 0 amappl14 184 485 0 473 1 0 1 1 0 8 0 amappl13 176 12 0 12 1 1 0 1 0 8 0 amappl12 168 7374 0 7342 3 1 2 3 0 8 0 amappl11 160 57 0 42 1 0 1 1 0 8 0 amappl10 152 27 0 27 1 1 0 1 0 8 0 amappl9 144 184 0 184 1 1 0 1 0 8 0 amappl8 136 33 0 30 1 0 1 1 0 8 0 amappl7 128 423 0 410 1 0 1 1 0 8 0 amappl6 120 1719 0 1718 1 0 1 1 0 8 0 amappl5 112 757 0 745 1 0 1 1 0 8 0 amappl4 104 753 0 731 1 0 1 1 0 8 0 amappl3 96 19346 0 19215 5 1 4 4 0 8 0 amappl2 88 2800 0 2735 2 0 2 2 0 8 0 amappl1 80 29618 0 29033 19 6 13 15 0 8 0 amappl 88 30840 0 30648 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 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 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 74 0 5 2 0 2 2 0 8 0 uaddrrnd 24 4327 0 4227 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4327 0 4227 1 0 1 1 0 8 0 vmmpekpl 168 36836 0 36777 4 0 4 4 0 8 0 vmmpepl 168 262297 0 260271 155 55 100 100 0 357 10 vmsppl 440 4326 0 4227 14 2 12 12 0 8 0 rwobjpl 56 81694 0 71497 151 3 148 148 0 8 2 pdppl 4096 8662 0 8522 363 221 142 146 0 8 2 pvpl 32 36252 0 0 292 1 291 291 0 265 0 pmappl 248 4326 0 4227 7 0 7 7 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 776 0 296 14 0 14 14 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:437 witness_checkorder(fffffd8055a7ff80,9,0) at witness_checkorder+0x1024 rw_enter(fffffd8055a7ff70,1) at rw_enter+0x122 rrw_enter(fffffd8055a7ff70,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd80664705f0,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd80664705f0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff80002a1458a8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80002a1458a8) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fd42a8,fffffd806c240100,ffff8000ffffc7a8) at unp_connect+0x27d sys/kern/uipc_usrreq.c:862 uipc_dgram_send(ffff800010fd42a8,fffffd806c240d00,fffffd806c240100,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:601 sosend(ffff800010fd42a8,fffffd806c240100,ffff80002a145b38,0,0,0) at sosend+0xa43 sendit(ffff8000ffffc7a8,4,ffff80002a145cb0,0,ffff80002a145d70) at sendit+0x721 sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff8000ffffc7a8,ffff80002a145e20,ffff80002a145d70) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 syscall(ffff80002a145e20) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a145e20) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x47281a1fd50, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff83505268) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83505268) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff83505268,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x658 sys/kern/sched_bsd.c:460 sleep_finish(0,1) at sleep_finish+0x229 sys/kern/kern_synch.c:416 cond_wait(ffff80002c839230,ffffffff8307d691) at cond_wait+0x76 sys/kern/kern_synch.c:899 timeout_barrier(fffffd806ec919f0) at timeout_barrier+0x2a7 sys/kern/kern_timeout.c:511 timeout_del_barrier(fffffd806ec919f0) at timeout_del_barrier+0x14a sys/kern/kern_timeout.c:464 route_detach(ffff800010fd4a70) at route_detach+0x19a sys/net/rtsock.c:282 soclose(ffff800010fd4a70,0) at soclose+0xb0 pru_detach sys/sys/protosw.h:284 [inline] soclose(ffff800010fd4a70,0) at soclose+0xb0 sys/kern/uipc_socket.c:430 soo_close(fffffd8072da0ac8,ffff80002c8036f8) at soo_close+0x56 fdrop(fffffd8072da0ac8,ffff80002c8036f8) at fdrop+0x126 sys/kern/kern_descrip.c:1274 closef(fffffd8072da0ac8,ffff80002c8036f8) at closef+0x192 sys/kern/kern_descrip.c:1258 fdfree(ffff80002c8036f8) at fdfree+0x116 sys/kern/kern_descrip.c:1190 exit1(ffff80002c8036f8,0,0,1) at exit1+0x71b sys/kern/kern_exit.c:221 sys_exit(ffff80002c8036f8,ffff80002c839650,ffff80002c8395a0) at sys_exit+0x1a syscall(ffff80002c839650) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002c839650) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77251592b230, count: -20