witness: lock order reversal: 1st 0xffff8000015033d0 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd80791175b8 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff833d32bf -> 0xffffffff8334590b 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:870 #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+0xdfb 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:746 #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+0x3e1 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:746 #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(fffffd80791175b8,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd80791175a0,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd80791175a0,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd80739d51b0,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd80739d51b0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c431470) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80003c431470) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff8000015031e8,fffffd806d034400,ffff80003a808fb0) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff8000015031e8,fffffd805ef16700,fffffd806d034400,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff8000015031e8,fffffd806d034400,ffff80003c4316f8,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003a808fb0,3,ffff80003c431878,e,ffff80003c431930) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff80003a808fb0,ffff80003c4319e0,ffff80003c431930) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80003c4319e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4319e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb7c9dab2ca0, count: -15 ddb{1}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80003c4310f0 rbx 0 rdx 0xffff8000014f2780 rcx 0xffff80003a808fb0 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80003c430fd0 r9 0x8080808080808080 r10 0xcde34a820cf271df r11 0x39dd34a612a32b91 r12 0xfffffd8003eff680 r13 0xfffffd80046e62d8 r14 0x3 r15 0xffffffff833e2b64 substchar+0xf1da rip 0xffffffff831577a5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4310e0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=452800 pid=10864 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=0xffff80003a809ca8,0xffffffff83917b08 process=0xffff80003c4261d0 user=0xffff80003c42c000, vmspace=0xfffffd806b9a6018 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 10864 453961 43820 0 3 0x80 fsleep syz-executor *10864 452800 43820 0 7 0x4000000 syz-executor 9262 509822 61141 0 3 0x80 fsleep syz-executor 9262 82131 61141 0 3 0x4000080 msgwait syz-executor 8598 219979 79529 60929 3 0x90 fsleep syz-executor 8598 421208 79529 60929 3 0x4000090 ttyout syz-executor 48970 493640 32459 0 3 0x80 fsleep syz-executor 48970 395709 32459 0 3 0x4000080 bell syz-executor 31004 464381 44944 0 3 0x80 fsleep syz-executor 31004 245185 44944 0 3 0x4000080 fsleep syz-executor 31004 347901 44944 0 3 0x4000000 biowait syz-executor 15001 37958 93609 0 3 0x80 fsleep syz-executor 15001 312675 93609 0 3 0x4000080 sbwait syz-executor 75929 510386 22622 0 3 0x80 fsleep syz-executor 75929 284932 22622 0 3 0x4000080 sbwait syz-executor 93609 71576 8627 0 3 0x82 nanoslp syz-executor 22622 63411 8627 0 3 0x82 nanoslp syz-executor 44944 459368 8627 0 3 0x82 nanoslp syz-executor 7546 346671 0 0 3 0x14200 acct acct 43820 191929 8627 0 3 0x82 nanoslp syz-executor 6918 357050 0 0 3 0x14280 nfsidl nfsio 41550 353489 0 0 3 0x14280 nfsidl nfsio 83562 291012 0 0 3 0x14280 nfsidl nfsio 88775 508134 0 0 3 0x14280 nfsidl nfsio 10239 339420 0 0 3 0x14280 nfsidl nfsio 15923 49709 0 0 3 0x14280 nfsidl nfsio 54637 419757 0 0 3 0x14280 nfsidl nfsio 92029 167128 0 0 3 0x14280 nfsidl nfsio 12956 4066 0 0 3 0x14280 nfsidl nfsio 95150 135611 0 0 3 0x14280 nfsidl nfsio 926 71102 0 0 3 0x14280 nfsidl nfsio 98177 101250 0 0 3 0x14280 nfsidl nfsio 38483 282767 0 0 3 0x14280 nfsidl nfsio 21688 190744 0 0 3 0x14280 nfsidl nfsio 42939 234965 0 0 3 0x14280 nfsidl nfsio 39673 413286 0 0 3 0x14280 nfsidl nfsio 19167 156458 0 0 3 0x14280 nfsidl nfsio 99118 522886 0 0 3 0x14280 nfsidl nfsio 73633 67696 0 0 3 0x14280 nfsidl nfsio 51693 114636 0 0 3 0x14280 nfsidl nfsio 71983 40454 1 0 3 0x80 nanoslp init 76082 284314 0 0 3 0x14200 bored sosplice 61141 393310 8627 0 3 0x82 nanoslp syz-executor 32459 182922 8627 0 3 0x82 nanoslp syz-executor 58502 208980 8627 0 3 0x2 biowait syz-executor 79529 466957 8627 0 3 0x82 nanoslp syz-executor 8627 275875 93109 0 3 0x82 kqread syz-executor 93109 232032 99947 0 3 0x10008a sigsusp ksh 99947 149139 75533 0 3 0x98 kqread sshd-session 75533 457846 66209 0 3 0x92 kqread sshd-session 66209 155654 1 0 3 0x88 kqread sshd 23774 209281 30025 74 3 0x1100092 bpf pflogd 30025 56208 1 0 3 0x80 sbwait pflogd 19301 411325 82998 73 3 0x1100090 kqread syslogd 82998 408043 1 0 3 0x100082 sbwait syslogd 72147 419663 1 0 3 0x100080 kqread resolvd 57208 278393 11807 77 3 0x100092 kqread dhcpleased 46798 245655 11807 77 3 0x100092 kqread dhcpleased 11807 449090 1 0 3 0x80 kqread dhcpleased 99816 357942 0 0 3 0x14200 bored smr 77196 394868 0 0 3 0x14200 pgzero zerothread 81330 387422 0 0 3 0x14200 aiodoned aiodoned 4927 110452 0 0 3 0x14200 syncer update 65243 110405 0 0 3 0x14200 cleaner cleaner 91741 211735 0 0 3 0x14200 reaper reaper 35209 60454 0 0 3 0x14200 pgdaemon pagedaemon 32409 226431 0 0 3 0x14200 bored viomb 20599 479954 0 0 3 0x40014200 acpi0 acpi0 47521 428652 0 0 3 0x40014200 idle1 70300 413409 0 0 3 0x14200 bored softnet1 81648 448297 0 0 2 0x14200 softnet0 1367 97368 0 0 3 0x14200 bored systqmp 12394 323222 0 0 3 0x14200 bored systq 74290 57102 0 0 3 0x14200 tmoslp softclockmp 33212 235324 0 0 3 0x40014200 tmoslp softclock 15385 303445 0 0 7 0x40014200 idle0 1 515408 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 10864 (syz-executor) thread 0xffff80003a808fb0 (452800) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83915fc0) #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:746 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff8000015033d0) #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:631 #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:746 #7 Xsyscall+0x128 Process 31004 (syz-executor) thread 0xffff8000fffef770 (347901) exclusive rrwlock inode r = 0 (0xfffffd806e9a1f00) #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:746 #9 Xsyscall+0x128 Process 75929 (syz-executor) thread 0xffff80003c4554f0 (284932) exclusive rrwlock inode r = 0 (0xfffffd807910d930) #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 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 ufs_lookup+0x16bd sys/ufs/ufs/ufs_lookup.c:573 #7 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #9 namei+0x7ca sys/kern/vfs_lookup.c:250 #10 vn_open+0x15a sys/kern/vfs_vnops.c:140 #11 vndioctl+0xc42 sys/dev/vnd.c:458 #12 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #13 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #14 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #15 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #15 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #16 Xsyscall+0x128 Process 58502 (syz-executor) thread 0xffff8000ffffcf98 (208980) exclusive rrwlock inode r = 0 (0xfffffd806f570ea8) #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 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_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cf6f448) #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10228 11435K 11435K 166960K 12829 0 pcb 18 14K 16K 166960K 222 0 rtable 176 9K 10K 166960K 457 0 pf 42 19K 21K 166960K 119 0 ifaddr 37 6K 8K 166960K 95 0 ifgroup 59 2K 2K 166960K 127 0 sysctl 3 1K 9K 166960K 11 0 counters 70 37K 37K 166960K 160 0 ioctlops 0 0K 4K 166960K 1655 0 iov 0 0K 24K 166960K 86 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1363 86K 86K 166960K 2190 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 20 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 44 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 232K 166960K 1021 0 sigio 0 0K 0K 166960K 11 0 proc 63 99K 147K 166960K 730 0 subproc 72 4K 4K 166960K 108 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 100 0 in_multi 67 5K 7K 166960K 179 0 ether_multi 1 0K 0K 166960K 13 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 562 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 229 148K 163K 166960K 10754 0 UVM aobj 25 4K 6K 166960K 30 0 pinsyscall 41 82K 106K 166960K 2220 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 131 0 NDP 13 0K 2K 166960K 63 0 temp 65 8652K 8719K 166960K 42179 0 kqueue 13 20K 30K 166960K 186 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 94 0 91 1 0 1 1 0 8 0 rtentry 176 158 0 92 5 0 5 5 0 8 0 unpcb 144 597 0 572 4 2 2 4 0 8 1 syncache 336 8 0 8 1 1 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 308 0 303 7 1 6 7 0 8 5 arp 136 17 0 8 1 0 1 1 0 8 0 ipq 40 3 0 0 1 0 1 1 0 8 0 ipqe 40 7 0 3 1 0 1 1 0 8 0 inpcb 328 1005 0 996 12 3 9 12 0 8 7 nd6 152 31 0 17 1 0 1 1 0 8 0 pkpcb 40 6 0 6 1 1 0 1 0 8 0 kcovpl 48 12 0 4 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1192 38 0 38 1 0 1 1 0 8 1 pfstscr 40 5 0 5 1 0 1 1 0 8 1 pffrag 232 4 0 0 1 0 1 1 0 482 0 pffrnode 88 4 0 0 1 0 1 1 0 8 0 pffrent 40 12 0 6 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 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 48 0 17 1 0 1 1 0 8 0 pfstkey 128 55 0 24 2 0 2 2 0 8 0 pfstate 384 50 0 20 5 0 5 5 0 8 0 pfrule 1344 28 0 22 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 747 0 482 29 9 20 29 0 8 2 art_table 40 749 0 482 5 0 5 5 0 8 1 art_node 32 157 0 100 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 41 0 31 1 0 1 1 0 8 0 shmpl 112 27 0 5 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 3256 0 1745 96 1 95 96 0 8 0 ffsino 296 3256 0 1745 117 0 117 117 0 8 0 nchpl 144 4557 0 2853 64 0 64 64 0 8 0 rtmask 32 9 0 9 1 1 0 1 0 8 0 uvmvnodes 80 3763 0 0 77 0 77 77 0 8 0 vnodes 216 3763 0 0 210 0 210 210 0 8 0 namei 1024 15946 0 15944 2 1 1 2 0 8 0 percpumem 16 95 0 45 1 0 1 1 0 8 0 kstatmem 264 82 0 52 3 1 2 3 0 8 0 scsiplug 72 8 0 8 2 1 1 1 0 8 1 scxspl 216 37949 0 37947 12 4 8 8 1 8 7 plimitpl 152 141 0 124 1 0 1 1 0 8 0 sigapl 424 1329 0 1260 8 0 8 8 0 8 0 knotepl 120 506 0 0 16 0 16 16 0 8 0 kqueuepl 224 441 0 432 9 5 4 5 0 8 3 pipepl 344 320 0 293 11 7 4 9 0 8 1 fdescpl 528 1287 0 1256 3 0 3 3 0 8 0 filepl 160 7819 0 7598 20 4 16 18 0 8 5 lockfpl 104 462 0 459 1 0 1 1 0 8 0 lockfspl 48 174 0 171 1 0 1 1 0 8 0 sessionpl 144 32 0 24 1 0 1 1 0 8 0 pgrppl 48 55 0 39 1 0 1 1 0 8 0 ucredpl 104 1169 0 1154 1 0 1 1 0 8 0 zombiepl 144 1260 0 1260 1 0 1 1 0 8 1 processpl 1232 1329 0 1260 6 0 6 6 0 8 0 procpl 664 2787 0 2710 8 0 8 8 0 8 0 sosppl 168 8 0 8 1 0 1 1 0 8 1 sockpl 752 1733 0 1696 22 11 11 17 0 8 7 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 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 122 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 49 0 0 7 0 7 7 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 287 0 0 18 0 18 18 0 8 0 bufpl 280 16625 0 10482 439 0 439 439 0 8 0 anonpl 32 14310 0 0 116 0 116 116 0 246 0 amapchunkpl 152 36269 0 35781 32 3 29 30 0 158 3 amappl16 200 5718 0 5444 37 7 30 30 0 8 3 amappl15 192 11 0 11 2 2 0 1 0 8 0 amappl14 184 129 0 118 1 0 1 1 0 8 0 amappl13 176 8 0 8 1 1 0 1 0 8 0 amappl12 168 2000 0 1970 4 2 2 3 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 3 0 3 1 1 0 1 0 8 0 amappl9 144 261 0 260 2 1 1 1 0 8 0 amappl8 136 28 0 26 1 0 1 1 0 8 0 amappl7 128 125 0 114 1 0 1 1 0 8 0 amappl6 120 217 0 213 1 0 1 1 0 8 0 amappl5 112 137 0 125 1 0 1 1 0 8 0 amappl4 104 330 0 310 1 0 1 1 0 8 0 amappl3 96 6209 0 6115 3 0 3 3 0 8 0 amappl2 88 1574 0 1492 2 0 2 2 0 8 0 amappl1 80 13228 0 12650 15 0 15 15 0 8 0 amappl 88 9844 0 9683 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 255 0 255 3 3 0 1 0 8 0 dma64 64 7 0 7 2 2 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 29 0 5 1 0 1 1 0 8 0 uaddrrnd 24 1287 0 1256 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1287 0 1256 1 0 1 1 0 8 0 vmmpekpl 168 12863 0 12814 3 0 3 3 0 8 0 vmmpepl 168 88879 0 86691 115 3 112 112 0 357 3 vmsppl 488 1286 0 1256 5 0 5 5 0 8 0 rwobjpl 80 30570 0 25645 106 0 106 106 0 8 0 pdppl 4096 2582 0 2512 106 32 74 86 0 8 4 pvpl 32 21262 0 0 172 0 172 172 0 265 0 pmappl 256 1286 0 1256 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 298 0 48 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(ffffffff837efff0) 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(ffffffff83915db8) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83915db8) at __mp_lock+0x199 sys/kern/kern_lock.c:165 intr_handler(ffff80002a202210,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffffffff837efff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -8 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(fffffd80791175b8,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd80791175a0,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd80791175a0,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd80739d51b0,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd80739d51b0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c431470) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80003c431470) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff8000015031e8,fffffd806d034400,ffff80003a808fb0) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff8000015031e8,fffffd805ef16700,fffffd806d034400,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff8000015031e8,fffffd806d034400,ffff80003c4316f8,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003a808fb0,3,ffff80003c431878,e,ffff80003c431930) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff80003a808fb0,ffff80003c4319e0,ffff80003c431930) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80003c4319e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4319e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb7c9dab2ca0, count: -15