witness: lock order reversal: 1st 0xffff800001511108 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd806ea59368 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff833d1e1a -> 0xffffffff83343bfc 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:684 #7 vndioctl+0xdfe 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+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{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(fffffd806ea59368,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd806ea59350,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd806ea59350,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd8071b2c968,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd8071b2c968,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff8000333f0a90) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff8000333f0a90) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800001510f20,fffffd80751b1700,ffff800039019ca8) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff800001510f20,fffffd80649e7500,fffffd80751b1700,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff800001510f20,fffffd80751b1700,ffff8000333f0d18,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff800039019ca8,5,ffff8000333f0e98,e,ffff8000333f0f50) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff800039019ca8,ffff8000333f1000,ffff8000333f0f50) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff8000333f1000) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000333f1000) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5bd66285030, count: -15 ddb{0}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff8000333f0710 rbx 0 rdx 0xffff800001445cc0 rcx 0xffff800039019ca8 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff8000333f05f0 r9 0x8080808080808080 r10 0x8b67a297e4056f60 r11 0xac5f9a2137458b85 r12 0xfffffd8003ef7680 r13 0xfffffd80046de580 r14 0x3 r15 0xffffffff833dadbe substchar+0xb292 rip 0xffffffff81d6b285 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000333f0700 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=313706 pid=22878 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=0xffff80003c502800,0xffffffff838a2ac8 process=0xffff80003a4379e0 user=0xffff8000333ec000, vmspace=0xfffffd800b0271e8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 22878 280405 77442 0 7 0 syz-executor *22878 313706 77442 0 7 0x4000000 syz-executor 93349 481599 93587 0 2 0 syz-executor 93349 162272 93587 0 3 0x4000080 fsleep syz-executor 49856 27687 32088 0 2 0 syz-executor 14958 309096 26284 0 2 0 syz-executor 14958 41504 26284 0 3 0x4000080 fsleep syz-executor 89387 333975 11828 0 2 0 syz-executor 89387 14099 11828 0 3 0x4000080 sbwait syz-executor 89387 314519 11828 0 3 0x4000080 sbufrcv syz-executor 89387 451323 11828 0 3 0x4000080 fsleep syz-executor 99799 203718 47501 0 2 0 syz-executor 99799 140347 47501 0 3 0x4000080 fsleep syz-executor 69223 387808 84990 0 3 0x80 nanoslp syz-executor 69223 31087 84990 0 3 0x4000000 biowait syz-executor 69223 363777 84990 0 3 0x4000000 inode syz-executor 69223 92225 84990 0 3 0x4000080 fsleep syz-executor 26284 506532 98104 0 3 0x82 nanoslp syz-executor 32088 522130 98104 0 3 0x82 nanoslp syz-executor 77442 247014 98104 0 3 0x82 nanoslp syz-executor 84990 92019 98104 0 3 0x82 nanoslp syz-executor 82828 374446 0 0 3 0x14280 nfsidl nfsio 85927 39342 0 0 3 0x14280 nfsidl nfsio 24633 519060 0 0 3 0x14280 nfsidl nfsio 15057 242342 0 0 3 0x14280 nfsidl nfsio 26342 56437 0 0 3 0x14280 nfsidl nfsio 15523 89610 0 0 3 0x14280 nfsidl nfsio 44753 201478 0 0 3 0x14280 nfsidl nfsio 96463 82340 0 0 3 0x14280 nfsidl nfsio 29322 470049 0 0 3 0x14280 nfsidl nfsio 32030 420322 0 0 3 0x14280 nfsidl nfsio 55472 392594 0 0 3 0x14280 nfsidl nfsio 58107 47886 0 0 3 0x14280 nfsidl nfsio 5463 381305 0 0 3 0x14280 nfsidl nfsio 50169 106903 0 0 3 0x14280 nfsidl nfsio 42394 93657 0 0 3 0x14280 nfsidl nfsio 3626 153739 0 0 3 0x14280 nfsidl nfsio 15989 402407 0 0 3 0x14280 nfsidl nfsio 7597 461759 0 0 3 0x14280 nfsidl nfsio 27189 207775 0 0 3 0x14280 nfsidl nfsio 44794 478925 0 0 3 0x14280 nfsidl nfsio 29481 247797 0 0 3 0x14200 bored sosplice 11828 111750 98104 0 3 0x82 nanoslp syz-executor 58918 384460 98104 0 3 0x2 biowait syz-executor 47501 149533 98104 0 3 0x82 nanoslp syz-executor 93587 249334 98104 0 3 0x82 nanoslp syz-executor 98104 242122 21423 0 2 0x2 syz-executor 21423 135419 11656 0 3 0x10008a sigsusp ksh 11656 218288 45753 0 3 0x98 kqread sshd-session 45753 17457 63217 0 3 0x92 kqread sshd-session 80013 74730 1 0 3 0x100083 ttyopn getty 63217 449236 1 0 3 0x88 kqread sshd 46733 518376 69147 74 3 0x1100092 bpf pflogd 69147 148875 1 0 3 0x80 sbwait pflogd 39431 96940 76114 73 3 0x1100090 kqread syslogd 76114 2724 1 0 3 0x100082 sbwait syslogd 77725 189124 1 0 3 0x100080 kqread resolvd 17630 33083 77861 77 3 0x100092 kqread dhcpleased 87030 427655 77861 77 3 0x100092 kqread dhcpleased 77861 319118 1 0 3 0x80 kqread dhcpleased 84706 386850 0 0 3 0x14200 bored smr 75997 133968 0 0 2 0x14200 zerothread 84021 501747 0 0 3 0x14200 aiodoned aiodoned 37478 218781 0 0 3 0x14200 syncer update 37825 164066 0 0 3 0x14200 cleaner cleaner 43887 391307 0 0 3 0x14200 reaper reaper 85362 362353 0 0 3 0x14200 pgdaemon pagedaemon 65361 474429 0 0 3 0x14200 bored viomb 70053 461442 0 0 3 0x40014200 acpi0 acpi0 31421 459547 0 0 3 0x40014200 idle1 93970 290249 0 0 3 0x14200 bored softnet1 59752 370045 0 0 3 0x14200 bored softnet0 36849 171337 0 0 3 0x14200 bored systqmp 56422 250018 0 0 3 0x14200 bored systq 10534 435983 0 0 3 0x14200 tmoslp softclockmp 95840 270169 0 0 3 0x40014200 tmoslp softclock 13686 489001 0 0 3 0x40014200 idle0 1 95066 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 22878 (syz-executor) thread 0xffff800039019ca8 (313706) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83929028) #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 (0xffff800001511108) #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 89387 (syz-executor) thread 0xffff800039018550 (14099) exclusive rwlock sbufrcv r = 0 (0xffff80000151a178) #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 soreceive+0x27d sys/kern/uipc_socket.c:870 #4 recvit+0x40b sys/kern/uipc_syscalls.c:1078 #5 sys_recvmmsg+0x410 sys/kern/uipc_syscalls.c:969 #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 69223 (syz-executor) thread 0xffff800039019778 (31087) exclusive rrwlock inode r = 0 (0xfffffd8069380b48) #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 58918 (syz-executor) thread 0xffff8000fffeed10 (384460) exclusive rrwlock inode r = 0 (0xfffffd806e9de368) #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 (0xfffffd806bdc58f0) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10216 11029K 11476K 166960K 12942 0 pcb 17 14K 16K 166960K 248 0 rtable 213 9K 9K 166960K 468 0 pf 39 18K 20K 166960K 122 0 ifaddr 43 7K 8K 166960K 101 0 ifgroup 61 2K 2K 166960K 148 0 sysctl 4 1K 9K 166960K 8 0 counters 72 37K 37K 166960K 166 0 ioctlops 0 0K 4K 166960K 1643 0 iov 1 4K 16K 166960K 59 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1448 91K 91K 166960K 2432 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 616K 624K 166960K 15 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 70 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 1171 0 sigio 0 0K 0K 166960K 13 0 proc 72 115K 164K 166960K 777 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 2 0K 0K 166960K 141 0 in_multi 89 6K 7K 166960K 177 0 ether_multi 1 0K 0K 166960K 6 0 mrt 0 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 532 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 232 159K 172K 166960K 12303 0 UVM aobj 30 2K 2K 166960K 37 0 pinsyscall 42 84K 103K 166960K 2403 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 64 0 NDP 14 0K 2K 166960K 68 0 temp 64 8648K 8895K 166960K 48915 0 kqueue 13 20K 31K 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 106 0 103 1 0 1 1 0 8 0 rtentry 176 167 0 80 5 0 5 5 0 8 0 unpcb 144 619 0 597 5 4 1 4 0 8 0 syncache 336 7 0 7 2 1 1 1 0 8 1 tcpcb 736 280 0 274 8 1 7 7 0 8 4 arp 136 22 0 9 1 0 1 1 0 8 0 inpcb 328 1021 0 1011 10 3 7 7 0 8 3 nd6 152 33 0 14 1 0 1 1 0 8 0 pkpcb 40 6 0 6 3 2 1 1 0 8 1 kcovpl 48 12 0 4 1 0 1 1 0 8 0 mppekey 1024 2 0 2 2 2 0 1 0 8 0 ppxss 1192 37 0 36 1 0 1 1 0 8 0 pppxif 1504 5 0 5 3 2 1 1 0 8 1 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 11 0 4 1 0 1 1 0 482 0 pffrnode 88 9 0 3 1 0 1 1 0 8 0 pffrent 40 23 0 14 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 1 1 1 0 1 0 8 0 pfstitem 24 70 0 21 1 0 1 1 0 8 0 pfstkey 128 70 0 21 2 0 2 2 0 8 0 pfstate 384 69 0 21 6 0 6 6 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 757 0 375 33 6 27 31 0 8 2 art_table 40 759 0 375 5 0 5 5 0 8 0 art_node 32 167 0 90 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 4 2 1 1 1 0 8 0 semupl 112 2 0 2 2 1 1 1 0 8 1 semapl 112 67 0 57 1 0 1 1 0 8 0 shmpl 112 34 0 7 1 0 1 1 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 3539 0 2028 95 0 95 95 0 8 0 ffsino 296 3539 0 2028 117 0 117 117 0 8 0 nchpl 144 5129 0 3429 64 0 64 64 0 8 0 rtmask 32 9 0 9 3 2 1 1 0 8 1 uvmvnodes 80 4289 0 0 88 0 88 88 0 8 0 vnodes 216 4289 0 0 239 0 239 239 0 8 0 namei 1024 17556 0 17554 1 0 1 1 0 8 0 percpumem 16 98 0 47 1 0 1 1 0 8 0 kstatmem 264 92 0 60 4 1 3 3 0 8 0 scsiplug 72 3 0 3 2 1 1 1 0 8 1 scxspl 216 27386 0 27384 8 6 2 8 1 8 1 plimitpl 152 299 0 281 1 0 1 1 0 8 0 sigapl 424 1495 0 1427 9 1 8 8 0 8 0 knotepl 120 519 0 0 16 0 16 16 0 8 0 kqueuepl 224 438 0 429 6 1 5 5 0 8 4 pipepl 344 282 0 255 6 0 6 6 0 8 3 fdescpl 528 1456 0 1425 3 0 3 3 0 8 0 filepl 160 8458 0 8238 15 1 14 14 0 8 2 lockfpl 104 549 0 547 2 0 2 2 0 8 1 lockfspl 48 254 0 252 1 0 1 1 0 8 0 sessionpl 144 30 0 21 1 0 1 1 0 8 0 pgrppl 48 60 0 43 1 0 1 1 0 8 0 ucredpl 104 1299 0 1286 1 0 1 1 0 8 0 zombiepl 144 1427 0 1427 1 0 1 1 0 8 1 processpl 1232 1495 0 1427 6 0 6 6 0 8 0 procpl 664 3168 0 3090 8 0 8 8 0 8 0 sosppl 168 3 0 3 1 1 0 1 0 8 0 sockpl 752 1845 0 1810 18 7 11 11 0 8 5 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 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 118 0 0 15 0 15 15 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 29 0 0 4 0 4 4 0 8 0 mtagpl 96 11 0 0 1 0 1 1 0 8 0 mbufpl 256 188 0 0 12 0 12 12 0 8 0 bufpl 280 12782 0 6638 440 0 440 440 0 8 0 anonpl 32 11745 0 0 95 0 95 95 0 246 0 amapchunkpl 152 40871 0 40398 42 14 28 39 0 158 6 amappl16 200 4687 0 4624 32 23 9 27 0 8 2 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 136 0 124 1 0 1 1 0 8 0 amappl13 176 9 0 9 1 1 0 1 0 8 0 amappl12 168 2176 0 2145 3 1 2 2 0 8 0 amappl11 160 50 0 36 1 0 1 1 0 8 0 amappl10 152 5 0 4 1 0 1 1 0 8 0 amappl9 144 249 0 249 1 1 0 1 0 8 0 amappl8 136 43 0 41 1 0 1 1 0 8 0 amappl7 128 123 0 111 1 0 1 1 0 8 0 amappl6 120 223 0 219 1 0 1 1 0 8 0 amappl5 112 150 0 140 1 0 1 1 0 8 0 amappl4 104 328 0 308 1 0 1 1 0 8 0 amappl3 96 7071 0 6978 3 0 3 3 0 8 0 amappl2 88 1735 0 1657 2 0 2 2 0 8 0 amappl1 80 13638 0 13036 16 1 15 15 0 8 1 amappl 88 11366 0 11206 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 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 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 7 0 7 2 1 1 1 0 8 1 dma128 128 254 0 254 2 1 1 1 0 8 1 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 36 0 7 1 0 1 1 0 8 0 uaddrrnd 24 1456 0 1425 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1456 0 1425 1 0 1 1 0 8 0 vmmpekpl 168 13608 0 13555 3 0 3 3 0 8 0 vmmpepl 168 96820 0 94807 111 12 99 111 0 357 4 vmsppl 488 1455 0 1425 6 1 5 5 0 8 0 rwobjpl 80 31401 0 26123 108 0 108 108 0 8 0 pdppl 4096 2920 0 2850 110 38 72 84 0 8 2 pvpl 32 20675 0 0 168 1 167 167 0 265 0 pmappl 256 1455 0 1425 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 300 0 53 8 0 8 8 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(fffffd806ea59368,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd806ea59350,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd806ea59350,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd8071b2c968,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd8071b2c968,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff8000333f0a90) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff8000333f0a90) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800001510f20,fffffd80751b1700,ffff800039019ca8) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff800001510f20,fffffd80649e7500,fffffd80751b1700,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff800001510f20,fffffd80751b1700,ffff8000333f0d18,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff800039019ca8,5,ffff8000333f0e98,e,ffff8000333f0f50) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff800039019ca8,ffff8000333f1000,ffff8000333f0f50) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff8000333f1000) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000333f1000) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5bd66285030, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299fdff0) 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(ffffffff83928e20) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83928e20) at __mp_lock+0x192 sys/kern/kern_lock.c:165 syscall(ffff8000363fd040) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff8000363fd040) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x742e29243b00, count: -6