witness: lock order reversal: 1st 0xffff800001482c98 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd806b7323e8 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff833fd222 -> 0xffffffff833a5512 is missing lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock) #0 rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 #1 sblock+0xb7 sys/kern/uipc_socket2.c:536 #2 soreceive+0x28e sys/kern/uipc_socket.c:882 #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+0xf8 sys/kern/vfs_vnops.c:531 #10 sys_ioctl+0x5c3 #11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbc6 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_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 #1 sblock+0xb7 sys/kern/uipc_socket2.c:536 #2 sosplice+0x40d sys/kern/uipc_socket.c:1364 #3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1221 #4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #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(fffffd806b7323e8,9,0) at witness_checkorder+0x1047 rw_do_enter_write(fffffd806b7323d0,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 rrw_enter(fffffd806b7323d0,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 VOP_LOCK(fffffd805f896720,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd805f896720,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c4eb598) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80003c4eb598) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800001482ad8,fffffd805e8e3500,ffff8000ffffd9b0) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff800001482ad8,fffffd805e8e4800,fffffd805e8e3500,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff800001482ad8,fffffd805e8e3500,ffff80003c4eb818,0,0,8) at sosend+0x804 sendit(ffff8000ffffd9b0,4,ffff80003c4eb990,8,ffff80003c4eba50) at sendit+0x721 sys/kern/uipc_syscalls.c:779 sys_sendmsg(ffff8000ffffd9b0,ffff80003c4ebb00,ffff80003c4eba50) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597 syscall(ffff80003c4ebb00) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4ebb00) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5eaa93ed900, count: -15 ddb{1}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80003c4eb210 rbx 0xfffffd800470c828 rdx 0xffff800001448cc0 rcx 0xffff8000ffffd9b0 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80003c4eb0f0 r9 0x8080808080808080 r10 0xde67fcf2cf7a0e68 r11 0x934f6020fff35f46 r12 0 r13 0xfffffd8003f24f00 r14 0x3 r15 0xffffffff rip 0xffffffff810240e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4eb200 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=253019 pid=36408 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=0xffff80003c4e47f0,0xffff8000ffffb220 process=0xffff8000ffff3740 user=0xffff80003c4e6000, vmspace=0xfffffd806bc7f578 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 58840 285581 82527 0 2 0 syz-executor 46709 409304 33220 0 2 0 syz-executor 36408 196163 41918 0 7 0 syz-executor *36408 253019 41918 0 7 0x4000000 syz-executor 6767 138452 67888 0 2 0 syz-executor 6767 311988 67888 0 3 0x4000080 fsleep syz-executor 86411 225258 6171 0 2 0 syz-executor 86411 383753 6171 0 3 0x4000080 fsleep syz-executor 86411 102333 6171 0 3 0x4000080 fsleep syz-executor 86298 159099 915 0 2 0 syz-executor 86298 301260 915 0 3 0x4000080 ttyin syz-executor 86298 80724 915 0 3 0x4000080 fsleep syz-executor 65140 414828 1 0 3 0x82 nanoslp getty 96721 455208 0 0 3 0x14200 acct acct 6171 205466 32204 0 3 0x82 nanoslp syz-executor 53998 462605 0 0 3 0x14280 nfsidl nfsio 7682 211329 0 0 3 0x14280 nfsidl nfsio 23163 513689 0 0 3 0x14280 nfsidl nfsio 8141 188332 0 0 3 0x14280 nfsidl nfsio 17349 33644 0 0 3 0x14280 nfsidl nfsio 88284 460212 0 0 3 0x14280 nfsidl nfsio 74184 160512 0 0 3 0x14280 nfsidl nfsio 15486 507157 0 0 3 0x14280 nfsidl nfsio 14635 363457 0 0 3 0x14280 nfsidl nfsio 86874 145733 0 0 3 0x14280 nfsidl nfsio 25876 450832 0 0 3 0x14280 nfsidl nfsio 16925 152515 0 0 3 0x14280 nfsidl nfsio 8022 401955 0 0 3 0x14280 nfsidl nfsio 12066 511004 0 0 3 0x14280 nfsidl nfsio 39264 255233 0 0 3 0x14280 nfsidl nfsio 41523 306245 0 0 3 0x14280 nfsidl nfsio 21286 311052 0 0 3 0x14280 nfsidl nfsio 78373 91084 0 0 3 0x14280 nfsidl nfsio 87655 393795 0 0 3 0x14280 nfsidl nfsio 55766 393515 0 0 3 0x14280 nfsidl nfsio 29530 479387 0 0 3 0x14200 bored sosplice 28954 430227 32204 0 2 0x2 syz-executor 67888 163515 32204 0 3 0x82 nanoslp syz-executor 41918 429738 32204 0 3 0x82 nanoslp syz-executor 33220 170126 32204 0 3 0x82 nanoslp syz-executor 915 250820 32204 0 3 0x82 nanoslp syz-executor 82527 110206 32204 0 3 0x82 nanoslp syz-executor 82673 483321 32204 0 2 0x2 syz-executor 32204 424013 49677 0 3 0x82 kqread syz-executor 49677 248521 80729 0 3 0x10008a sigsusp ksh 80729 413586 97335 0 3 0x98 kqread sshd-session 97335 390285 97180 0 3 0x92 kqread sshd-session 97180 140923 1 0 3 0x88 kqread sshd 95884 505575 44528 74 3 0x1100092 bpf pflogd 44528 197609 1 0 3 0x80 sbwait pflogd 93049 483565 12973 73 3 0x1100090 kqread syslogd 12973 160361 1 0 3 0x100082 sbwait syslogd 38419 178432 1 0 3 0x100080 kqread resolvd 91386 312402 38949 77 3 0x100092 kqread dhcpleased 27334 30922 38949 77 3 0x100092 kqread dhcpleased 38949 470955 1 0 3 0x80 kqread dhcpleased 96237 409776 0 0 3 0x14200 bored smr 12735 218270 0 0 2 0x14200 zerothread 21835 133670 0 0 3 0x14200 aiodoned aiodoned 76371 429565 0 0 3 0x14200 syncer update 24760 151695 0 0 3 0x14200 cleaner cleaner 96486 296504 0 0 3 0x14200 reaper reaper 65980 181240 0 0 3 0x14200 pgdaemon pagedaemon 82884 225989 0 0 3 0x14200 bored viomb 39185 428132 0 0 3 0x40014200 acpi0 acpi0 29100 496939 0 0 3 0x40014200 idle1 15105 26659 0 0 3 0x14200 bored softnet3 747 100444 0 0 3 0x14200 bored softnet2 80110 30961 0 0 3 0x14200 bored softnet1 61609 420957 0 0 2 0x14200 softnet0 70509 53341 0 0 3 0x14200 bored systqmp 99144 233850 0 0 3 0x14200 bored systq 83064 183612 0 0 3 0x14200 tmoslp softclockmp 22063 495810 0 0 3 0x40014200 tmoslp softclock 10781 53038 0 0 3 0x40014200 idle0 1 108555 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 36408 (syz-executor) thread 0xffff8000ffffd9b0 (253019) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83906af8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 unp_connect+0x26c sys/kern/uipc_usrreq.c:868 #2 uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 #3 sosend+0x804 #4 sendit+0x721 sys/kern/uipc_syscalls.c:779 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff800001482c98) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sblock+0xb7 sys/kern/uipc_socket2.c:536 #3 sosend+0x2e2 sys/kern/uipc_socket.c:631 #4 sendit+0x721 sys/kern/uipc_syscalls.c:779 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 28954 (syz-executor) thread 0xffff8000ffffa020 (430227) exclusive rrwlock inode r = 0 (0xfffffd806b732500) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:694 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c6ccdf8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 82673 (syz-executor) thread 0xffff8000ffffca50 (483321) exclusive rrwlock inode r = 0 (0xfffffd806f1850c0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3117 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807d8d5300) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10198 11089K 11418K 166960K 12566 0 pcb 17 12K 12K 166960K 147 0 rtable 172 6K 8K 166960K 519 0 pf 33 17K 19K 166960K 115 0 ifaddr 33 5K 8K 166960K 90 0 ifgroup 47 2K 2K 166960K 143 0 sysctl 3 1K 1K 166960K 3 0 counters 60 35K 37K 166960K 140 0 ioctlops 0 0K 4K 166960K 1546 0 iov 0 0K 16K 166960K 45 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1379 87K 88K 166960K 2090 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 70 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 240K 166960K 904 0 sigio 0 0K 0K 166960K 11 0 proc 73 91K 140K 166960K 641 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 95 0 in_multi 75 5K 7K 166960K 134 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 608 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 209 72K 91K 166960K 10098 0 UVM aobj 20 2K 2K 166960K 22 0 pinsyscall 41 82K 102K 166960K 2108 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 53 0 NDP 10 0K 1K 166960K 59 0 temp 61 8644K 8769K 166960K 29417 0 kqueue 14 22K 28K 166960K 138 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 178 0 174 3 0 3 3 0 8 2 rtentry 112 157 0 82 4 0 4 4 0 8 0 unpcb 144 506 0 487 3 2 1 3 0 8 0 syncache 336 17 0 17 1 0 1 1 0 8 1 tcpqe 32 6 0 6 1 1 0 1 0 8 0 tcpcb 808 189 0 178 2 0 2 2 0 8 0 arp 120 29 0 19 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 2 0 2 1 1 0 1 0 8 0 inpcb 376 849 0 832 9 0 9 9 0 8 6 nd6 136 34 0 12 1 0 1 1 0 8 0 pkpcb 40 9 0 9 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1168 28 0 28 1 0 1 1 0 8 1 pppxif 1472 5 0 5 2 2 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 7 0 2 1 0 1 1 0 8 0 pfosfp 40 1428 0 1428 5 5 0 5 0 8 0 pfosfpen 112 1428 0 1428 21 8 13 21 0 8 13 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 63 0 15 1 0 1 1 0 8 0 pfstkey 128 63 0 15 2 0 2 2 0 8 0 pfstate 376 63 0 15 6 0 6 6 0 8 0 pfrule 1344 22 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 598 0 238 30 3 27 30 0 8 2 art_table 32 600 0 238 4 0 4 4 0 8 0 art_node 16 154 0 87 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 9 1 0 1 1 0 8 0 semapl 112 67 0 57 1 0 1 1 0 8 0 shmpl 112 19 0 2 1 0 1 1 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 3050 0 1556 95 0 95 95 0 8 0 ffsino 280 3050 0 1556 109 0 109 109 0 8 0 nchpl 144 4256 0 2572 63 0 63 63 0 8 0 rtmask 32 3 0 3 1 1 0 1 0 8 0 uvmvnodes 80 3510 0 0 72 0 72 72 0 8 0 vnodes 216 3510 0 0 195 0 195 195 0 8 0 namei 1024 14662 0 14660 1 0 1 1 0 8 0 percpumem 16 84 0 40 1 0 1 1 0 8 0 kstatmem 264 80 0 60 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 14687 0 14687 10 8 2 8 1 8 2 plimitpl 152 98 0 80 1 0 1 1 0 8 0 sigapl 424 1236 0 1166 11 2 9 9 0 8 0 futexpl 64 11982 0 11978 1 0 1 1 0 8 0 knotepl 120 572 0 0 18 0 18 18 0 8 0 kqueuepl 216 248 0 237 1 0 1 1 0 8 0 pipepl 328 221 0 194 6 2 4 6 0 8 0 fdescpl 504 1196 0 1166 5 0 5 5 0 8 0 filepl 152 6784 0 6560 17 3 14 14 0 8 3 lockfpl 104 350 0 348 1 0 1 1 0 8 0 lockfspl 48 110 0 108 1 0 1 1 0 8 0 sessionpl 144 37 0 29 1 0 1 1 0 8 0 pgrppl 48 53 0 37 1 0 1 1 0 8 0 ucredpl 104 1309 0 1295 1 0 1 1 0 8 0 zombiepl 144 1166 0 1166 1 0 1 1 0 8 1 processpl 1176 1236 0 1166 6 0 6 6 0 8 0 procpl 656 2495 0 2419 9 1 8 8 0 8 0 srpgc 96 9 0 9 2 1 1 1 0 8 1 sosppl 168 3 0 3 1 1 0 1 0 8 0 sockpl 688 1547 0 1508 10 0 10 10 0 8 5 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 116 0 0 15 0 15 15 0 8 0 mcl2k 2048 48 0 0 6 0 6 6 0 8 0 mtagpl 96 96 0 0 3 0 3 3 0 8 0 mbufpl 256 407 0 0 26 0 26 26 0 8 0 bufpl 280 4738 0 133 329 0 329 329 0 8 0 anonpl 24 183254 0 179949 72 1 71 71 0 184 36 amapchunkpl 152 32649 0 32205 32 3 29 30 0 158 8 amappl16 200 3435 0 3398 32 20 12 28 0 8 8 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 146 0 134 1 0 1 1 0 8 0 amappl13 176 19 0 19 1 1 0 1 0 8 0 amappl12 168 1882 0 1852 4 2 2 3 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 19 0 19 2 2 0 1 0 8 0 amappl9 144 253 0 252 2 1 1 1 0 8 0 amappl8 136 27 0 24 1 0 1 1 0 8 0 amappl7 128 126 0 114 1 0 1 1 0 8 0 amappl6 120 227 0 223 1 0 1 1 0 8 0 amappl5 112 137 0 127 1 0 1 1 0 8 0 amappl4 104 380 0 362 1 0 1 1 0 8 0 amappl3 96 6386 0 6286 4 0 4 4 0 8 0 amappl2 88 814 0 750 2 0 2 2 0 8 0 amappl1 80 13575 0 13021 14 0 14 14 0 8 0 amappl 88 9606 0 9452 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma16384 16384 1 0 1 1 0 1 1 0 8 1 dma4096 4096 2 0 2 2 1 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 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 2 1 0 1 1 0 8 0 uaddrrnd 24 1196 0 1166 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1196 0 1166 1 0 1 1 0 8 0 vmmpekpl 168 12144 0 12102 3 0 3 3 0 8 0 vmmpepl 168 82484 0 80700 106 0 106 106 0 357 15 vmsppl 456 1195 0 1166 5 0 5 5 0 8 0 rwobjpl 64 28691 0 24256 76 0 76 76 0 8 2 pdppl 4096 2399 0 2332 109 36 73 81 0 8 6 pvpl 32 18679 0 0 152 1 151 151 0 265 0 pmappl 248 1195 0 1166 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 307 0 43 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8383aff0) 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(ffffffff839068f0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839068f0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x73d31b68d760, count: -6 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(fffffd806b7323e8,9,0) at witness_checkorder+0x1047 rw_do_enter_write(fffffd806b7323d0,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 rrw_enter(fffffd806b7323d0,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 VOP_LOCK(fffffd805f896720,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd805f896720,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c4eb598) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80003c4eb598) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800001482ad8,fffffd805e8e3500,ffff8000ffffd9b0) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff800001482ad8,fffffd805e8e4800,fffffd805e8e3500,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff800001482ad8,fffffd805e8e3500,ffff80003c4eb818,0,0,8) at sosend+0x804 sendit(ffff8000ffffd9b0,4,ffff80003c4eb990,8,ffff80003c4eba50) at sendit+0x721 sys/kern/uipc_syscalls.c:779 sys_sendmsg(ffff8000ffffd9b0,ffff80003c4ebb00,ffff80003c4eba50) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597 syscall(ffff80003c4ebb00) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4ebb00) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5eaa93ed900, count: -15