witness: lock order reversal: 1st 0xffff800001293678 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd806d4ef2c0 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff830bd238 -> 0xffffffff8306e212 is missing lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock) #0 rw_enter+0x122 #1 sblock+0xb7 sys/kern/uipc_socket2.c:549 #2 soreceive+0x295 sys/kern/uipc_socket.c:945 #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:178 [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+0x3f4 sys/kern/uipc_socket.c:1454 #3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1228 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [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(fffffd806d4ef2c0,9,0) at witness_checkorder+0x1047 rw_enter(fffffd806d4ef2b0,1) at rw_enter+0x122 rrw_enter(fffffd806d4ef2b0,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd805ec71a20,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd805ec71a20,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff8000371ab4c8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff8000371ab4c8) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff8000012934d0,fffffd806cc8bf00,ffff8000ffff67b8) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff8000012934d0,fffffd806cc2ee00,fffffd806cc8bf00,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff8000012934d0,fffffd806cc8bf00,ffff8000371ab758,0,0,0) at sosend+0xa40 sendit(ffff8000ffff67b8,3,ffff8000371ab8d0,0,ffff8000371ab990) at sendit+0x721 sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff8000ffff67b8,ffff8000371aba40,ffff8000371ab990) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 syscall(ffff8000371aba40) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371aba40) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x83723bff020, count: -15 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff8000371ab120 rbx 0xfffffd80042c7020 rdx 0 rcx 0xffff8000ffff67b8 rax 0xffffffff834f2ff0 cpu_info_full_primary+0x1ff0 r8 0xffff8000371ab000 r9 0x8080808080808080 r10 0x737fb24a38040d32 r11 0x7757508a4a04b295 r12 0 r13 0xfffffd8003adee00 r14 0x3 r15 0xffffffff rip 0xffffffff81ac00e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371ab110 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=234633 pid=79476 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff6cc8,0xffff8000ffff7c08 process=0xffff80002bb72d68 user=0xffff8000371a6000, vmspace=0xfffffd806aa36e20 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 79476 400668 62432 0 3 0 futex syz-executor *79476 234633 62432 0 7 0x4000000 syz-executor 79476 323503 62432 0 3 0x4000080 fsleep syz-executor 11849 245383 43095 0 2 0 syz-executor 11849 159041 43095 0 3 0x4000080 fsleep syz-executor 11849 489360 43095 0 3 0x4000000 futex syz-executor 13384 21094 33280 0 3 0 futex syz-executor 13384 12471 33280 0 3 0x4000080 fsleep syz-executor 13384 517365 33280 0 3 0x4000000 futex syz-executor 63120 244078 20306 0 3 0x80 nanoslp syz-executor 63120 483961 20306 0 3 0x4000080 fsleep syz-executor 63120 63298 20306 0 3 0x4000080 fsleep syz-executor 63120 220823 20306 0 3 0x4000000 futex syz-executor 85467 503230 43283 0 3 0 futex syz-executor 85467 348406 43283 0 3 0x4000080 fsleep syz-executor 85467 239541 43283 0 2 0x4000000 syz-executor 85841 393420 50670 -1 3 0x10 futex syz-executor 85841 476955 50670 -1 2 0x4000010 syz-executor 85841 292303 50670 -1 2 0x4000010 syz-executor 59055 254979 85084 0 3 0x82 netio sshd-session 95161 497907 1 0 3 0x100083 ttyin getty 50670 517340 97153 0 2 0x3 syz-executor 67711 390364 0 0 3 0x14200 bored sosplice 17495 173604 97153 0 2 0x2 syz-executor 33280 306393 97153 0 2 0x3 syz-executor 43283 440368 97153 0 2 0x3 syz-executor 450 486118 97153 0 2 0x2 syz-executor 43095 26820 97153 0 2 0x3 syz-executor 62432 377875 97153 0 3 0x82 nanoslp syz-executor 20306 422983 97153 0 2 0x3 syz-executor 97153 82372 61099 0 3 0x82 kqread syz-executor 61099 298200 13617 0 3 0x10008a sigsusp ksh 13617 98825 6363 0 3 0x98 kqread sshd-session 6363 429919 85084 0 3 0x92 kqread sshd-session 85084 74180 1 0 3 0x88 kqread sshd 47395 186415 49990 74 3 0x1100092 bpf pflogd 49990 203294 1 0 3 0x80 sbwait pflogd 8058 51942 17647 73 3 0x1100090 kqread syslogd 17647 372081 1 0 3 0x100082 sbwait syslogd 61237 168119 1 0 3 0x100080 kqread resolvd 36654 274989 27019 77 3 0x100092 kqread dhcpleased 63578 475515 27019 77 3 0x100092 kqread dhcpleased 27019 141659 1 0 3 0x80 kqread dhcpleased 3616 154707 0 0 3 0x14200 bored smr 88012 25665 0 0 2 0x14200 zerothread 82525 456850 0 0 3 0x14200 aiodoned aiodoned 37424 95602 0 0 3 0x14200 syncer update 22301 174674 0 0 3 0x14200 cleaner cleaner 65089 18167 0 0 3 0x14200 reaper reaper 21702 249999 0 0 3 0x14200 pgdaemon pagedaemon 26500 90615 0 0 3 0x14200 bored viomb 43324 138856 0 0 3 0x40014200 acpi0 acpi0 3775 287636 0 0 7 0x40014200 idle1 9735 313885 0 0 3 0x14200 bored softnet3 89341 470992 0 0 3 0x14200 bored softnet2 31129 357193 0 0 3 0x14200 bored softnet1 75275 432784 0 0 3 0x14200 bored softnet0 68801 304263 0 0 3 0x14200 bored systqmp 73953 132586 0 0 3 0x14200 bored systq 4040 6072 0 0 3 0x14200 tmoslp softclockmp 97170 411801 0 0 3 0x40014200 tmoslp softclock 39729 356067 0 0 3 0x40014200 idle0 1 454553 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 79476 (syz-executor) thread 0xffff8000ffff67b8 (234633) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835a0b68) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 yield+0x6a sys/kern/sched_bsd.c:320 #4 pool_get+0x242 sys/kern/subr_pool.c:589 #5 namei+0xdf sys/kern/vfs_lookup.c:145 #6 unp_connect+0x27d sys/kern/uipc_usrreq.c:868 #7 uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 #8 sosend+0xa40 #9 sendit+0x721 sys/kern/uipc_syscalls.c:786 #10 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 #11 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #11 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff800001293678) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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:681 #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:178 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 85467 (syz-executor) thread 0xffff8000371b51e8 (239541) exclusive rrwlock inode r = 0 (0xfffffd806dd7d098) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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 vget+0x2bd sys/kern/vfs_subr.c:678 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573 #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 vn_open+0x13f sys/kern/vfs_vnops.c:140 #13 doopenat+0x31d sys/kern/vfs_syscalls.c:1123 #14 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #14 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #15 Xsyscall+0x128 Process 85841 (syz-executor) thread 0xffff8000345991e0 (476955) exclusive rwlock futex r = 0 (0xffffffff834f4610) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sys_futex+0x69 sys/kern/sys_futex.c:98 #2 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #2 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 Process 85841 (syz-executor) thread 0xffff8000371b5c08 (292303) exclusive rrwlock inode r = 0 (0xfffffd806e045c58) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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 vget+0x2bd sys/kern/vfs_subr.c:678 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x218 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 ptm_vn_open+0x40 sys/kern/tty_pty.c:1013 #12 ptmioctl+0x3ab sys/kern/tty_pty.c:1116 #13 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #14 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #15 sys_ioctl+0x67c #16 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #16 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #17 Xsyscall+0x128 Process 17495 (syz-executor) thread 0xffff8000ffff6530 (173604) exclusive rrwlock inode r = 0 (0xfffffd806c49a4d8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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 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:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 450 (syz-executor) thread 0xffff8000ffff6f50 (486118) exclusive rwlock vmmaplk r = 0 (0xfffffd806aa36658) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5255 #2 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3820 #3 process_new+0x553 sys/kern/kern_fork.c:279 #4 fork1+0x3ea sys/kern/kern_fork.c:405 #5 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd806ce09b90) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5255 #2 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3811 #3 process_new+0x553 sys/kern/kern_fork.c:279 #4 fork1+0x3ea sys/kern/kern_fork.c:405 #5 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10216 11263K 11642K 166960K 12963 0 pcb 17 13K 13K 166960K 167 0 rtable 169 6K 7K 166960K 564 0 pf 36 18K 22K 166960K 112 0 ifaddr 34 5K 7K 166960K 72 0 ifgroup 47 2K 2K 166960K 99 0 sysctl 4 1K 1K 166960K 6 0 counters 60 35K 36K 166960K 92 0 ioctlops 0 0K 4K 166960K 1622 0 iov 0 0K 16K 166960K 135 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1481 93K 94K 166960K 2410 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 15 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 50 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 17 61K 89K 166960K 1169 0 sigio 0 0K 0K 166960K 37 0 proc 72 91K 128K 166960K 661 0 subproc 104 6K 6K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 135 0 in_multi 73 5K 7K 166960K 147 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 1 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 970 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 256 74K 78K 166960K 12784 0 UVM aobj 28 2K 4K 166960K 31 0 pinsyscall 44 88K 102K 166960K 2309 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 63 0 NDP 10 0K 2K 166960K 45 0 temp 75 6827K 6894K 166960K 59079 0 kqueue 13 20K 30K 166960K 220 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 84 0 81 1 0 1 1 0 8 0 rtentry 112 146 0 72 4 0 4 4 0 8 0 unpcb 144 995 0 971 11 9 2 6 0 8 0 syncache 336 8 0 8 4 4 0 1 0 8 0 tcpqe 32 3 0 3 3 3 0 1 0 8 0 tcpcb 808 602 0 593 28 20 8 8 0 8 6 arp 120 27 0 14 1 0 1 1 0 8 0 inpcb 336 1394 0 1381 22 15 7 7 0 8 5 nd6 136 29 0 9 1 0 1 1 0 8 0 pkpcb 40 2 0 2 2 2 0 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 8 0 8 5 4 1 1 0 8 1 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 10 0 8 1 0 1 1 0 482 0 pffrnode 88 9 0 7 1 0 1 1 0 8 0 pffrent 40 18 0 16 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 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 1 0 1 1 0 1 1 0 8 1 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 103 0 47 1 0 1 1 0 8 0 pfstkey 128 107 0 51 3 0 3 3 0 8 0 pfstate 376 104 0 49 7 0 7 7 0 8 0 pfrule 1344 46 0 38 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 601 0 280 30 4 26 29 0 8 3 art_table 32 603 0 280 4 0 4 4 0 8 0 art_node 16 143 0 80 1 0 1 1 0 8 0 sysvmsgpl 40 27 0 16 1 0 1 1 0 8 0 semapl 112 43 0 33 1 0 1 1 0 8 0 shmpl 112 28 0 3 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 3393 0 1895 95 0 95 95 0 8 0 ffsino 272 3393 0 1895 102 0 102 102 0 8 0 nchpl 144 5069 0 3378 63 0 63 63 0 8 0 uvmvnodes 80 4216 0 0 87 0 87 87 0 8 0 vnodes 216 4216 0 0 235 0 235 235 0 8 0 namei 1024 18625 0 18622 4 3 1 2 0 8 0 percpumem 16 60 0 16 1 0 1 1 0 8 0 kstatmem 264 52 0 32 2 0 2 2 0 8 0 scsiplug 72 7 0 7 3 2 1 1 0 8 1 scxspl 216 15866 0 15866 12 11 1 8 1 8 1 plimitpl 152 288 0 270 1 0 1 1 0 8 0 sigapl 424 1478 0 1427 9 2 7 7 0 8 0 futexpl 64 16611 0 16604 1 0 1 1 0 8 0 knotepl 120 576 0 0 18 0 18 18 0 8 0 kqueuepl 216 442 0 433 9 8 1 5 0 8 0 pipepl 320 275 0 247 8 5 3 8 0 8 0 fdescpl 496 1458 0 1426 5 0 5 5 0 8 0 filepl 152 10007 0 9746 27 13 14 18 0 8 1 lockfpl 104 406 0 404 1 0 1 1 0 8 0 lockfspl 48 175 0 173 1 0 1 1 0 8 0 sessionpl 144 30 0 20 1 0 1 1 0 8 0 pgrppl 48 52 0 34 1 0 1 1 0 8 0 ucredpl 104 1436 0 1420 1 0 1 1 0 8 0 zombiepl 144 1774 0 1774 2 1 1 1 0 8 1 processpl 1160 1478 0 1427 5 1 4 5 0 8 0 procpl 648 3226 0 3162 8 2 6 7 0 8 0 srpgc 96 6 0 6 2 1 1 1 0 8 1 sosppl 168 12 0 11 3 2 1 1 0 8 0 sockpl 664 2483 0 2443 34 24 10 15 0 8 5 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 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 146 0 0 19 0 19 19 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 22 0 0 3 0 3 3 0 8 0 mtagpl 96 44 0 0 2 0 2 2 0 8 0 mbufpl 256 1265 0 0 77 0 77 77 0 8 0 bufpl 280 5543 0 103 389 0 389 389 0 8 0 anonpl 24 252659 0 240449 112 17 95 98 0 185 2 amapchunkpl 152 41376 0 40745 44 9 35 36 0 158 9 amappl16 200 6341 0 5894 40 6 34 37 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 129 0 116 1 0 1 1 0 8 0 amappl13 176 10 0 10 2 2 0 1 0 8 0 amappl12 168 2125 0 2093 4 1 3 3 0 8 0 amappl11 160 59 0 45 1 0 1 1 0 8 0 amappl10 152 8 0 8 1 1 0 1 0 8 0 amappl9 144 134 0 134 1 1 0 1 0 8 0 amappl8 136 24 0 20 1 0 1 1 0 8 0 amappl7 128 117 0 104 1 0 1 1 0 8 0 amappl6 120 175 0 174 1 0 1 1 0 8 0 amappl5 112 142 0 129 1 0 1 1 0 8 0 amappl4 104 342 0 323 1 0 1 1 0 8 0 amappl3 96 7764 0 7663 3 0 3 3 0 8 0 amappl2 88 1812 0 1718 3 0 3 3 0 8 0 amappl1 80 12050 0 11404 19 5 14 17 0 8 0 amappl 88 12293 0 12104 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 128 254 0 254 2 2 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 30 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1458 0 1426 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1458 0 1426 1 0 1 1 0 8 0 vmmpekpl 168 13294 0 13254 3 0 3 3 0 8 0 vmmpepl 168 97174 0 94755 127 16 111 114 0 357 0 vmsppl 448 1457 0 1426 6 2 4 5 0 8 0 rwobjpl 56 33315 0 27599 81 0 81 81 0 8 0 pdppl 4096 2923 0 2852 119 46 73 83 0 8 2 pvpl 32 23300 0 0 189 1 188 188 0 265 0 pmappl 248 1457 0 1426 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 525 0 100 13 0 13 13 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(fffffd806d4ef2c0,9,0) at witness_checkorder+0x1047 rw_enter(fffffd806d4ef2b0,1) at rw_enter+0x122 rrw_enter(fffffd806d4ef2b0,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd805ec71a20,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd805ec71a20,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff8000371ab4c8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff8000371ab4c8) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff8000012934d0,fffffd806cc8bf00,ffff8000ffff67b8) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff8000012934d0,fffffd806cc2ee00,fffffd806cc8bf00,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff8000012934d0,fffffd806cc8bf00,ffff8000371ab758,0,0,0) at sosend+0xa40 sendit(ffff8000ffff67b8,3,ffff8000371ab8d0,0,ffff8000371ab990) at sendit+0x721 sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff8000ffff67b8,ffff8000371aba40,ffff8000371ab990) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 syscall(ffff8000371aba40) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371aba40) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x83723bff020, 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 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218 sched_idle(ffff800029b7bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -5