witness: lock order reversal: 1st 0xffff8000014fe8a0 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd8070588ef0 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff83411fb8 -> 0xffffffff8338047e 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:878 #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:765 #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:1335 #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:765 #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(fffffd8070588ef0,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd8070588ed8,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd8070588ed8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd8060c00c08,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd8060c00c08,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff800037bffe30) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff800037bffe30) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff8000014fe6b8,fffffd80608df500,ffff8000333f1778) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff8000014fe6b8,fffffd8064584a00,fffffd80608df500,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff8000014fe6b8,fffffd80608df500,ffff800037c000b8,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000333f1778,3,ffff800037c00238,e,ffff800037c002f0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff8000333f1778,ffff800037c003a0,ffff800037c002f0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff800037c003a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037c003a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb649a03be80, count: -15 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800037bffab0 rbx 0 rdx 0 rcx 0xffff8000333f1778 rax 0xffffffff8384cff0 cpu_info_full_primary+0x1ff0 r8 0xffff800037bff990 r9 0x8080808080808080 r10 0x4f218d58a2757f04 r11 0x21ac7a7fa0601555 r12 0xfffffd8003f4a8c0 r13 0xfffffd80047311c8 r14 0x3 r15 0xffffffff834125a3 substchar+0x3590 rip 0xffffffff8131a855 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800037bffaa0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=353439 pid=72641 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=81, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000333f0a80,0xffff8000fffe6800 process=0xffff8000fffe39e8 user=0xffff800037bfb000, vmspace=0xfffffd806cb0b9a0 estcpu=31, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 72641 365588 41017 0 7 0 syz-executor *72641 353439 41017 0 7 0x4000000 syz-executor 54892 75581 3409 0 2 0 syz-executor 54892 366884 3409 0 2 0x4000000 syz-executor 8465 193629 99654 0 2 0 syz-executor 8465 350134 99654 0 3 0x4000080 fsleep syz-executor 91307 433301 72708 0 2 0 syz-executor 91307 404800 72708 0 3 0x4000080 fsleep syz-executor 55694 429554 58313 0 2 0 syz-executor 55694 86066 58313 0 3 0x4000080 fsleep syz-executor 55694 19195 58313 0 3 0x4000080 fsleep syz-executor 10158 496382 78294 -1 3 0x90 nanoslp syz-executor 10158 306993 78294 -1 3 0x4000090 fsleep syz-executor 10158 419493 78294 -1 2 0x4000010 syz-executor 10158 405504 78294 -1 3 0x4000090 fsleep syz-executor 95763 158287 41492 -1 3 0x3010 suspend syz-executor 95763 415539 41492 -1 3 0x4081010 biowait syz-executor 95763 99124 41492 -1 3 0x4081010 inode syz-executor 41492 223222 24016 0 3 0x82 nanoslp syz-executor 98375 98881 0 0 3 0x14280 nfsidl nfsio 2015 23376 0 0 3 0x14280 nfsidl nfsio 56109 439813 0 0 3 0x14280 nfsidl nfsio 90525 112471 0 0 3 0x14280 nfsidl nfsio 48499 213903 0 0 3 0x14280 nfsidl nfsio 3673 433579 0 0 3 0x14280 nfsidl nfsio 87903 201125 0 0 3 0x14280 nfsidl nfsio 74781 236323 0 0 3 0x14280 nfsidl nfsio 66344 60606 0 0 3 0x14280 nfsidl nfsio 73422 521086 0 0 3 0x14280 nfsidl nfsio 24987 189237 0 0 3 0x14280 nfsidl nfsio 64921 399727 0 0 3 0x14280 nfsidl nfsio 97599 6574 0 0 3 0x14280 nfsidl nfsio 32258 70114 0 0 3 0x14280 nfsidl nfsio 89029 350033 0 0 3 0x14280 nfsidl nfsio 92040 14117 0 0 3 0x14280 nfsidl nfsio 41301 182793 0 0 3 0x14280 nfsidl nfsio 60942 17627 0 0 3 0x14280 nfsidl nfsio 67920 493084 0 0 3 0x14280 nfsidl nfsio 54103 459189 0 0 3 0x14280 nfsidl nfsio 58313 80009 24016 0 3 0x82 nanoslp syz-executor 41017 233803 24016 0 3 0x82 nanoslp syz-executor 72708 30318 24016 0 3 0x82 nanoslp syz-executor 3409 79438 24016 0 3 0x82 nanoslp syz-executor 99654 247146 24016 0 3 0x82 nanoslp syz-executor 78294 214466 24016 0 3 0x82 nanoslp syz-executor 80227 388575 24016 0 3 0x2 biowait syz-executor 24016 391828 33172 0 3 0x82 kqread syz-executor 33172 113135 26381 0 3 0x10008a sigsusp ksh 26381 12064 10617 0 3 0x98 kqread sshd-session 10617 517169 16714 0 3 0x92 kqread sshd-session 68518 353723 1 0 3 0x100083 ttyopn getty 16714 474327 1 0 3 0x88 kqread sshd 94288 2280 29515 74 3 0x1100092 bpf pflogd 29515 52868 1 0 3 0x80 sbwait pflogd 63303 494699 87984 73 3 0x1100090 kqread syslogd 87984 197344 1 0 3 0x100082 sbwait syslogd 166 105024 1 0 3 0x100080 kqread resolvd 6812 140616 79794 77 3 0x100092 kqread dhcpleased 75775 242055 79794 77 3 0x100092 kqread dhcpleased 79794 120045 1 0 3 0x80 kqread dhcpleased 2953 504199 0 0 3 0x14200 bored smr 15342 381592 0 0 2 0x14200 zerothread 33056 517087 0 0 3 0x14200 aiodoned aiodoned 88567 297297 0 0 3 0x14200 syncer update 46964 437224 0 0 3 0x14200 cleaner cleaner 4599 63201 0 0 3 0x14200 reaper reaper 38613 392220 0 0 3 0x14200 pgdaemon pagedaemon 18754 230382 0 0 3 0x14200 bored viomb 10875 273829 0 0 3 0x40014200 acpi0 acpi0 11172 34640 0 0 3 0x40014200 idle1 18200 123040 0 0 3 0x14200 bored softnet1 59658 304651 0 0 3 0x14200 bored softnet0 17930 58223 0 0 3 0x14200 smrbar systqmp 98208 83765 0 0 3 0x14200 bored systq 66932 220043 0 0 3 0x14200 tmoslp softclockmp 36313 267138 0 0 3 0x40014200 tmoslp softclock 64217 483797 0 0 3 0x40014200 idle0 1 253621 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 72641 (syz-executor) thread 0xffff8000333f1778 (353439) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8398a918) #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:765 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff8000014fe8a0) #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:765 #7 Xsyscall+0x128 Process 95763 (syz-executor) thread 0xffff8000fffe5260 (415539) exclusive rrwlock inode r = 0 (0xfffffd806c795330) #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+0xa3 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:765 #9 Xsyscall+0x128 Process 95763 (syz-executor) thread 0xffff8000fffe4568 (99124) exclusive rrwlock inode r = 0 (0xfffffd806c7958f8) #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+0xa3 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 domknodat+0xb4 sys/kern/vfs_syscalls.c:1592 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #9 Xsyscall+0x128 Process 80227 (syz-executor) thread 0xffff8000ffffd9f8 (388575) exclusive rrwlock inode r = 0 (0xfffffd806ec31490) #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+0xa3 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+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80706d8a10) #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+0xa3 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:1868 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #9 Xsyscall+0x128 Process 17930 (systqmp) thread 0xffff8000ffffe530 (58223) shared rwlock systqmp r = 0 (0xffffffff837da3f8) #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 10201 11104K 11867K 166960K 12579 0 pcb 18 15K 31K 166960K 346 0 rtable 193 7K 8K 166960K 654 0 pf 32 17K 24K 166960K 123 0 ifaddr 36 6K 7K 166960K 85 0 ifgroup 47 2K 2K 166960K 135 0 sysctl 4 1K 9K 166960K 13 0 counters 64 36K 37K 166960K 146 0 ioctlops 0 0K 4K 166960K 1620 0 iov 0 0K 16K 166960K 32 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1454 91K 92K 166960K 2320 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 54 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 110K 166960K 832 0 sigio 1 0K 0K 166960K 28 0 proc 72 115K 163K 166960K 631 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 67 0 in_multi 80 5K 7K 166960K 134 0 ether_multi 1 0K 0K 166960K 6 0 mrt 1 0K 0K 166960K 9 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 496 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 253 177K 185K 166960K 9301 0 UVM aobj 22 6K 6K 166960K 22 0 pinsyscall 42 84K 100K 166960K 1966 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 60 0 NDP 10 0K 1K 166960K 56 0 temp 48 8672K 8748K 166960K 44665 0 kqueue 15 22K 33K 166960K 152 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 83 0 80 1 0 1 1 0 8 0 rtentry 176 137 0 56 6 0 6 6 0 8 0 unpcb 144 791 0 769 8 2 6 6 0 8 5 syncache 336 4 0 4 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 291 0 285 7 6 1 7 0 8 0 arp 136 22 0 7 1 0 1 1 0 8 0 inpcb 328 1063 0 1051 15 9 6 15 0 8 4 nd6 152 30 0 9 1 0 1 1 0 8 0 pkpcb 40 3 0 3 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 29 0 29 1 0 1 1 0 8 1 pppxif 1504 4 0 4 2 1 1 1 0 8 1 pfstscr 40 3 0 3 1 1 0 1 0 8 0 pffrag 232 5 0 0 1 0 1 1 0 482 0 pffrnode 88 5 0 0 1 0 1 1 0 8 0 pffrent 40 6 0 1 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 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 59 0 12 1 0 1 1 0 8 0 pfstkey 128 63 0 17 2 0 2 2 0 8 0 pfstate 448 60 0 14 6 0 6 6 0 8 0 pfrule 1344 23 0 18 2 1 1 2 0 8 0 rttmr 136 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 611 0 237 29 3 26 29 0 8 0 art_table 40 613 0 237 5 0 5 5 0 8 0 art_node 32 136 0 62 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 8 1 0 1 1 0 8 0 semapl 112 52 0 42 1 0 1 1 0 8 0 shmpl 112 18 0 0 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2974 0 1469 96 0 96 96 0 8 0 ffsino 296 2974 0 1469 118 1 117 118 0 8 0 nchpl 144 4134 0 2433 64 0 64 64 0 8 0 rtmask 32 6 0 6 1 0 1 1 0 8 1 vnodes 216 3655 0 0 204 0 204 204 0 8 0 namei 1024 14364 0 14362 2 1 1 2 0 8 0 percpumem 16 88 0 41 1 0 1 1 0 8 0 vcpupl 3968 1 0 0 1 0 1 1 0 8 0 vmpool 840 1 0 0 1 0 1 1 0 8 0 kstatmem 264 78 0 56 3 0 3 3 0 8 0 scsiplug 72 2 0 2 2 1 1 1 0 8 1 scxspl 216 16237 0 16235 11 7 4 8 1 8 3 plimitpl 152 158 0 138 1 0 1 1 0 8 0 sigapl 424 1140 0 1073 8 0 8 8 0 8 0 knotepl 120 313 0 0 10 0 10 10 0 8 0 kqueuepl 224 372 0 360 5 0 5 5 0 8 4 pipepl 344 181 0 154 3 0 3 3 0 8 0 fdescpl 528 1102 0 1071 3 0 3 3 0 8 0 filepl 160 7310 0 7076 18 2 16 17 0 8 4 lockfpl 104 624 0 622 2 1 1 2 0 8 0 lockfspl 48 264 0 262 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 42 0 25 1 0 1 1 0 8 0 ucredpl 104 1116 0 1101 1 0 1 1 0 8 0 zombiepl 144 1074 0 1073 1 0 1 1 0 8 0 processpl 1232 1140 0 1073 6 0 6 6 0 8 0 procpl 664 2318 0 2240 8 0 8 8 0 8 0 sosppl 176 2 0 2 2 1 1 1 0 8 1 sockpl 752 2027 0 1989 34 22 12 20 0 8 6 mcl64k 65536 5 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 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 128 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 87 0 0 11 0 11 11 0 8 0 mtagpl 96 33 0 0 1 0 1 1 0 8 0 mbufpl 256 1809 0 0 114 0 114 114 0 8 0 bufpl 280 5618 0 132 392 0 392 392 0 8 0 anonpl 32 7755 0 0 64 0 64 64 0 246 1 amapchunkpl 152 29503 0 28985 27 0 27 27 0 158 4 amappl16 200 2936 0 2666 18 3 15 15 0 8 0 amappl15 192 44 0 44 1 1 0 1 0 8 0 amappl14 184 7 0 7 1 1 0 1 0 8 0 amappl13 176 439 0 438 1 0 1 1 0 8 0 amappl12 168 1481 0 1439 3 0 3 3 0 8 0 amappl11 160 23 0 23 1 1 0 1 0 8 0 amappl10 152 50 0 36 1 0 1 1 0 8 0 amappl9 144 258 0 258 1 1 0 1 0 8 0 amappl8 136 25 0 23 1 0 1 1 0 8 0 amappl7 128 96 0 94 1 0 1 1 0 8 0 amappl6 120 291 0 277 1 0 1 1 0 8 0 amappl5 112 83 0 72 1 0 1 1 0 8 0 amappl4 104 436 0 406 1 0 1 1 0 8 0 amappl3 96 5266 0 5169 4 1 3 3 0 8 0 amappl2 88 1231 0 1153 2 0 2 2 0 8 0 amappl1 80 12048 0 11452 15 1 14 14 0 8 0 amappl 88 8433 0 8261 5 0 5 5 0 92 0 uvmvnodes 80 128 0 0 3 0 3 3 0 8 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 21 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1102 0 1071 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1102 0 1071 1 0 1 1 0 8 0 vmmpekpl 168 10548 0 10507 3 0 3 3 0 8 0 vmmpepl 168 75222 0 73024 100 1 99 99 0 357 0 vmsppl 488 1101 0 1071 5 0 5 5 0 8 0 rwobjpl 80 21877 0 20549 28 0 28 28 0 8 0 pdppl 4096 2213 0 2143 98 26 72 81 0 8 2 pvpl 32 14729 0 0 119 0 119 119 0 265 0 pmappl 256 1102 0 1071 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 395 0 39 11 0 11 11 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(fffffd8070588ef0,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd8070588ed8,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd8070588ed8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd8060c00c08,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd8060c00c08,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff800037bffe30) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff800037bffe30) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff8000014fe6b8,fffffd80608df500,ffff8000333f1778) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff8000014fe6b8,fffffd8064584a00,fffffd80608df500,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff8000014fe6b8,fffffd80608df500,ffff800037c000b8,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000333f1778,3,ffff800037c00238,e,ffff800037c002f0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff8000333f1778,ffff800037c003a0,ffff800037c002f0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff800037c003a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037c003a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb649a03be80, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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(ffffffff8398a710) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8398a710) at __mp_lock+0x192 sys/kern/kern_lock.c:165 syscall(ffff80003c46dfc0) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff80003c46dfc0) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f3b7a409d30, count: -6