witness: lock order reversal: 1st 0xffff8000015330a8 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd806b33bc70 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff8341b403 -> 0xffffffff833873c0 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{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(fffffd806b33bc70,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd806b33bc58,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd806b33bc58,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd8069342978,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 vn_lock(fffffd8069342978,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80002a3a83a0) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80002a3a83a0) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800001532ec0,fffffd805f376f00,ffff80003c3f9ca8) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff800001532ec0,fffffd806b2de700,fffffd805f376f00,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff800001532ec0,fffffd805f376f00,ffff80002a3a8628,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003c3f9ca8,3,ffff80002a3a87a8,e,ffff80002a3a8860) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff80003c3f9ca8,ffff80002a3a8910,ffff80002a3a8860) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80002a3a8910) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3a8910) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1f76b55dea0, count: -15 ddb{1}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80002a3a8010 rbx 0 rdx 0xffff800001552b40 rcx 0xffff80003c3f9ca8 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80002a3a7ef0 r9 0x8080808080808080 r10 0x8a3f64f339c43ffa r11 0x5fe25783cbf0da66 r12 0xfffffd8003f598c0 r13 0xfffffd8004741ac0 r14 0x3 r15 0xffffffff83421e46 substchar+0xccdf rip 0xffffffff81428175 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a3a8000 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=181136 pid=74801 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=75, usrpri=75, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c3f9778,0xffff80003c4122d0 process=0xffff80003c4179e0 user=0xffff80002a3a3000, vmspace=0xfffffd806631f3f0 estcpu=25, cpticks=1, pctcpu=0.0, user=1, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 20619 381827 24602 0 2 0 syz-executor 20619 170161 24602 0 3 0x4000080 fsleep syz-executor 50780 82533 29518 0 7 0 syz-executor 50780 95636 29518 0 3 0x4000080 fsleep syz-executor 75943 454942 58640 0 3 0x80 fsleep syz-executor 75943 58509 58640 0 3 0x4000000 biowait syz-executor 97300 513218 61002 0 3 0x80 fsleep syz-executor 97300 324 61002 0 2 0x4000000 syz-executor 97300 371571 61002 0 3 0x4000080 fsleep syz-executor 24205 384504 92962 60929 3 0x90 fsleep syz-executor 24205 394953 92962 60929 3 0x4000090 ttyout syz-executor 24205 246977 92962 60929 3 0x4000090 fsleep syz-executor 74801 442227 56555 60929 3 0x90 fsleep syz-executor *74801 181136 56555 60929 7 0x4000010 syz-executor 96598 148151 62586 0 3 0x80 fsleep syz-executor 96598 453985 62586 0 3 0x4000080 sbwait syz-executor 62586 469774 36664 0 3 0x82 nanoslp syz-executor 4950 270074 1 0 3 0x80 fsleep syz-executor 4950 45258 1 0 3 0x4000080 sbwait syz-executor 4950 364621 1 0 3 0x4000000 inode syz-executor 64213 137731 1 0 3 0x100083 ttyin getty 24602 126773 36664 0 3 0x82 nanoslp syz-executor 29518 300050 36664 0 3 0x82 nanoslp syz-executor 58640 153809 36664 0 3 0x82 nanoslp syz-executor 61002 435530 36664 0 3 0x82 nanoslp syz-executor 92962 177290 36664 0 3 0x82 nanoslp syz-executor 56555 177738 36664 0 3 0x82 nanoslp syz-executor 36664 132950 52897 0 3 0x82 nanoslp syz-executor 52897 245252 20816 0 3 0x10008a sigsusp ksh 20816 388786 44477 0 3 0x98 kqread sshd-session 44477 197706 43142 0 3 0x92 kqread sshd-session 43142 464314 1 0 3 0x88 kqread sshd 84159 40164 18963 74 3 0x1100092 bpf pflogd 18963 461590 1 0 3 0x80 sbwait pflogd 98231 318083 11498 73 3 0x1100090 kqread syslogd 11498 30528 1 0 3 0x100082 sbwait syslogd 5150 170585 1 0 3 0x100080 kqread resolvd 17970 174266 70059 77 3 0x100092 kqread dhcpleased 7433 450745 70059 77 3 0x100092 kqread dhcpleased 70059 119516 1 0 3 0x80 kqread dhcpleased 84882 401650 0 0 3 0x14200 bored smr 82496 522524 0 0 2 0x14200 zerothread 35754 313056 0 0 3 0x14200 aiodoned aiodoned 95459 453731 0 0 3 0x14200 syncer update 21199 270124 0 0 3 0x14200 cleaner cleaner 1587 20584 0 0 3 0x14200 reaper reaper 54367 76606 0 0 3 0x14200 pgdaemon pagedaemon 53072 489636 0 0 3 0x14200 bored viomb 65873 201417 0 0 3 0x40014200 acpi0 acpi0 15031 169499 0 0 3 0x40014200 idle1 9512 7073 0 0 3 0x14200 bored softnet1 28541 517129 0 0 2 0x14200 softnet0 36353 183656 0 0 3 0x14200 bored systqmp 29435 398255 0 0 3 0x14200 bored systq 51019 337490 0 0 3 0x14200 tmoslp softclockmp 9570 115300 0 0 3 0x40014200 tmoslp softclock 18752 279789 0 0 3 0x40014200 idle0 1 27494 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 50780 (syz-executor) thread 0xffff80003c3f9248 (82533) exclusive rwlock uobjlk r = 0 (0xfffffd806ca33298) #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 uvm_fault+0x1e5 sys/uvm/uvm_fault.c:649 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #4 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806eab04e0) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 Process 75943 (syz-executor) thread 0xffff80003c4122c0 (58509) exclusive rrwlock inode r = 0 (0xfffffd807054b248) #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 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 #9 VOP_CREATE+0xfe sys/kern/vfs_vops.c:103 #10 vn_open+0x34d sys/kern/vfs_vnops.c:116 #11 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b33b208) #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 vn_open+0x1f1 sys/kern/vfs_vnops.c:107 #8 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #10 Xsyscall+0x128 Process 74801 (syz-executor) thread 0xffff80003c3f9ca8 (181136) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83952040) #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 (0xffff8000015330a8) #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 4950 (syz-executor) thread 0xffff80003c3f87e8 (45258) exclusive rrwlock inode r = 0 (0xfffffd806e8728b8) #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 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 vn_open+0x15a sys/kern/vfs_vnops.c:140 #12 vndioctl+0xc43 sys/dev/vnd.c:458 #13 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #14 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #15 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #16 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #16 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #17 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11075 12129K 12387K 166960K 12649 0 pcb 17 12K 12K 166960K 91 0 rtable 246 10K 13K 166960K 497 0 pf 37 18K 82K 166960K 96 0 ifaddr 42 7K 8K 166960K 64 0 ifgroup 55 2K 2K 166960K 87 0 sysctl 3 1K 9K 166960K 9 0 counters 70 37K 37K 166960K 112 0 ioctlops 0 0K 4K 166960K 1623 0 iov 0 0K 28K 166960K 30 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1412 89K 89K 166960K 1931 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 14 0K 0K 166960K 22 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 236K 166960K 630 0 sigio 0 0K 0K 166960K 7 0 proc 72 115K 164K 166960K 610 0 subproc 72 4K 5K 166960K 189 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 187 0 in_multi 95 7K 7K 166960K 129 0 ether_multi 1 0K 0K 166960K 3 0 mrt 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 449 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 247 159K 173K 166960K 7142 0 UVM aobj 17 4K 4K 166960K 22 0 pinsyscall 42 84K 104K 166960K 1776 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 21 0 NDP 12 0K 2K 166960K 43 0 temp 49 8673K 8752K 166960K 26391 0 kqueue 13 20K 26K 166960K 110 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 70 0 67 1 0 1 1 0 8 0 rtentry 176 141 0 37 6 0 6 6 0 8 0 unpcb 144 318 0 294 4 2 2 4 0 8 0 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 172 0 167 4 3 1 4 0 8 0 arp 136 23 0 6 1 0 1 1 0 8 0 inpcb 328 566 0 554 7 5 2 7 0 8 1 nd6 152 30 0 4 2 0 2 2 0 8 0 pkpcb 40 5 0 4 2 1 1 1 0 8 0 kcovpl 48 21 0 13 1 0 1 1 0 8 0 ppxss 1192 18 0 18 1 0 1 1 0 8 1 pppxif 1504 2 0 2 1 0 1 1 0 8 1 pffrag 232 8 0 1 1 0 1 1 0 482 0 pffrnode 88 7 0 0 1 0 1 1 0 8 0 pffrent 40 16 0 9 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 9 0 8 1 0 1 1 0 8 0 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfqueue 320 1 0 1 1 1 0 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 4 0 2 2 1 1 1 0 8 0 pfstate 448 2 0 1 2 1 1 1 0 8 0 pfrule 1360 11 0 5 1 0 1 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 557 0 136 30 3 27 30 0 8 0 art_table 40 560 0 136 5 0 5 5 0 8 0 art_node 32 140 0 48 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0 semupl 112 3 0 3 2 1 1 1 0 8 1 semapl 112 18 0 6 1 0 1 1 0 8 0 shmpl 112 17 0 4 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2503 0 985 96 1 95 96 0 8 0 ffsino 296 2503 0 985 117 0 117 117 0 8 0 nchpl 144 3329 0 1612 64 0 64 64 0 8 0 rtmask 32 4 0 4 2 2 0 1 0 8 0 vnodes 216 2933 0 0 163 0 163 163 0 8 0 namei 1024 10785 0 10783 2 1 1 2 0 8 0 percpumem 16 71 0 21 1 0 1 1 0 8 0 vcpupl 3968 1 0 0 1 0 1 1 0 8 0 vmpool 848 2 0 1 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 2 1 1 0 1 0 8 0 kstatmem 264 50 0 24 3 1 2 3 0 8 0 scsiplug 72 3 0 3 2 1 1 1 0 8 1 scxspl 216 23123 0 23122 10 6 4 8 1 8 3 plimitpl 152 127 0 109 1 0 1 1 0 8 0 sigapl 424 902 0 855 7 1 6 7 0 8 0 knotepl 120 323 0 0 10 0 10 10 0 8 0 kqueuepl 224 159 0 150 3 1 2 2 0 8 1 pipepl 344 255 0 227 9 3 6 6 0 8 3 fdescpl 528 885 0 854 3 0 3 3 0 8 0 filepl 160 4972 0 4746 17 4 13 15 0 8 3 lockfpl 104 162 0 160 1 0 1 1 0 8 0 lockfspl 48 75 0 73 1 0 1 1 0 8 0 sessionpl 144 37 0 28 1 0 1 1 0 8 0 pgrppl 48 64 0 47 1 0 1 1 0 8 0 ucredpl 104 723 0 707 1 0 1 1 0 8 0 zombiepl 144 855 0 855 1 0 1 1 0 8 1 processpl 1232 902 0 855 5 0 5 5 0 8 1 procpl 664 1598 0 1540 6 0 6 6 0 8 0 sosppl 176 7 0 7 1 1 0 1 0 8 0 sockpl 752 978 0 938 16 7 9 11 0 8 5 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 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 123 0 0 16 0 16 16 0 8 0 mcl2k 2048 28 0 0 4 0 4 4 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 1459 0 0 92 0 92 92 0 8 0 bufpl 280 9774 0 3638 439 0 439 439 0 8 0 anonpl 32 10292 0 0 83 0 83 83 0 246 0 amapchunkpl 152 22198 0 21692 34 7 27 29 0 158 7 amappl16 200 3940 0 3907 26 11 15 24 0 8 8 amappl15 192 36 0 36 1 1 0 1 0 8 0 amappl14 184 11 0 11 1 1 0 1 0 8 0 amappl13 176 479 0 478 1 0 1 1 0 8 0 amappl12 168 1270 0 1228 3 0 3 3 0 8 0 amappl11 160 12 0 12 1 1 0 1 0 8 0 amappl10 152 54 0 40 1 0 1 1 0 8 0 amappl9 144 265 0 264 1 0 1 1 0 8 0 amappl8 136 94 0 92 1 0 1 1 0 8 0 amappl7 128 121 0 119 1 0 1 1 0 8 0 amappl6 120 292 0 279 1 0 1 1 0 8 0 amappl5 112 79 0 67 1 0 1 1 0 8 0 amappl4 104 520 0 489 1 0 1 1 0 8 0 amappl3 96 3828 0 3731 4 1 3 3 0 8 0 amappl2 88 1006 0 927 2 0 2 2 0 8 0 amappl1 80 11242 0 10657 15 1 14 15 0 8 0 amappl 88 6312 0 6142 5 0 5 5 0 92 0 uvmvnodes 80 117 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 8 0 8 2 2 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 21 0 5 1 0 1 1 0 8 0 uaddrrnd 24 885 0 854 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 885 0 854 1 0 1 1 0 8 0 vmmpekpl 168 9150 0 9105 3 0 3 3 0 8 0 vmmpepl 168 64384 0 62446 105 0 105 105 0 357 19 vmsppl 488 884 0 854 6 2 4 5 0 8 0 rwobjpl 80 20479 0 19408 31 0 31 31 0 8 2 pdppl 4096 1781 0 1711 106 34 72 87 0 8 2 pvpl 32 16340 0 0 132 0 132 132 0 265 0 pmappl 256 886 0 855 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 370 0 47 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff838a8ff0) 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(ffffffff83951840) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83951840) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff800034bd15e0,ffff800000079600) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff83951840) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83951840) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff800034bd1740,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83951840) at __mp_lock+0x190 __mp_lock_spin sys/kern/kern_lock.c:143 [inline] __mp_lock(ffffffff83951840) at __mp_lock+0x190 sys/kern/kern_lock.c:173 uvm_fault(fffffd806eab03e0,8aceb22c000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:650 upageflttrap(ffff800034bd1ae0,8aceb22c000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800034bd1ae0) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x77fc7fcf9740, count: -14 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(fffffd806b33bc70,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd806b33bc58,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd806b33bc58,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd8069342978,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 vn_lock(fffffd8069342978,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80002a3a83a0) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80002a3a83a0) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800001532ec0,fffffd805f376f00,ffff80003c3f9ca8) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff800001532ec0,fffffd806b2de700,fffffd805f376f00,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff800001532ec0,fffffd805f376f00,ffff80002a3a8628,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003c3f9ca8,3,ffff80002a3a87a8,e,ffff80002a3a8860) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff80003c3f9ca8,ffff80002a3a8910,ffff80002a3a8860) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80002a3a8910) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3a8910) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1f76b55dea0, count: -15