witness: lock order reversal: 1st 0xffff800001701118 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd806b8ad580 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(fffffd806b8ad580,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd806b8ad568,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd806b8ad568,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd8058826630,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd8058826630,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80002a3b1b90) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80002a3b1b90) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800001700f30,fffffd805e6f4300,ffff8000fffefca0) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff800001700f30,fffffd805b73fa00,fffffd805e6f4300,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff800001700f30,fffffd805e6f4300,ffff80002a3b1e18,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000fffefca0,3,ffff80002a3b1f98,e,ffff80002a3b2050) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff8000fffefca0,ffff80002a3b2100,ffff80002a3b2050) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80002a3b2100) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3b2100) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd40aabff5c0, count: -15 ddb{1}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80002a3b1810 rbx 0 rdx 0xffff80000145bac0 rcx 0xffff8000fffefca0 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80002a3b16f0 r9 0x8080808080808080 r10 0x7b23493e6e373d5 r11 0xadc28836c66759e0 r12 0xfffffd8003eff680 r13 0xfffffd80046e60b8 r14 0x3 r15 0xffffffff833e2b64 substchar+0xf1da rip 0xffffffff831577a5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a3b1800 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=425393 pid=34278 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=0xffff8000fffee018,0xffffffff83917b08 process=0xffff8000fffe8018 user=0xffff80002a3ad000, vmspace=0xfffffd8068e0d5d8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 34278 451175 54957 0 7 0 syz-executor *34278 425393 54957 0 7 0x4000000 syz-executor 11394 345444 61800 0 2 0 syz-executor 11394 2196 61800 0 3 0x4000080 fsleep syz-executor 46713 519898 80226 0 2 0 syz-executor 46713 422255 80226 0 3 0x4000080 fsleep syz-executor 40213 429166 64677 0 3 0x80 nanoslp syz-executor 40213 256644 64677 0 3 0x4000000 smrbar syz-executor 7526 343922 3788 0 4 0x82000 syz-executor 7526 373344 3788 0 3 0x4082000 biowait syz-executor 7526 25257 3788 0 3 0x4082000 fltagain2 syz-executor 7526 421391 3788 0 4 0x4082000 syz-executor 7526 217977 3788 0 3 0x4002000 suspend syz-executor 64677 407587 67783 0 3 0x82 nanoslp syz-executor 47524 390376 0 0 3 0x14200 acct acct 80226 273938 67783 0 3 0x82 nanoslp syz-executor 63096 45756 67783 0 3 0x82 wait syz-executor 3788 274608 67783 0 3 0x82 nanoslp syz-executor 50288 80215 0 0 3 0x14280 nfsidl nfsio 83882 78170 0 0 3 0x14280 nfsidl nfsio 73483 95395 0 0 3 0x14280 nfsidl nfsio 17690 360602 0 0 3 0x14280 nfsidl nfsio 72931 384111 0 0 3 0x14280 nfsidl nfsio 59999 320960 0 0 3 0x14280 nfsidl nfsio 23177 32728 0 0 3 0x14280 nfsidl nfsio 96990 326776 0 0 3 0x14280 nfsidl nfsio 71628 236778 0 0 3 0x14280 nfsidl nfsio 6528 28876 0 0 3 0x14280 nfsidl nfsio 22435 351512 0 0 3 0x14280 nfsidl nfsio 10672 133803 0 0 3 0x14280 nfsidl nfsio 74543 85079 0 0 3 0x14280 nfsidl nfsio 76736 257431 0 0 3 0x14280 nfsidl nfsio 40309 54559 0 0 3 0x14280 nfsidl nfsio 21051 152233 0 0 3 0x14280 nfsidl nfsio 33455 205187 0 0 3 0x14280 nfsidl nfsio 16263 310977 0 0 3 0x14280 nfsidl nfsio 50275 309120 0 0 3 0x14280 nfsidl nfsio 91737 217317 0 0 3 0x14280 nfsidl nfsio 54957 360414 67783 0 3 0x82 nanoslp syz-executor 51375 142293 67783 0 3 0x2 biowait syz-executor 72755 156174 67783 0 3 0x82 nanoslp syz-executor 6325 93726 1 0 3 0x100083 ttyopn getty 61800 483321 67783 0 3 0x82 nanoslp syz-executor 1820 39488 0 0 3 0x14200 bored sosplice 67783 263627 14311 0 2 0x2 syz-executor 14311 185286 28285 0 3 0x10008a sigsusp ksh 28285 29243 98866 0 3 0x98 kqread sshd-session 98866 478890 13255 0 3 0x92 kqread sshd-session 13255 21255 1 0 3 0x88 kqread sshd 96172 309188 11073 74 3 0x1100092 bpf pflogd 11073 399029 1 0 3 0x80 sbwait pflogd 85761 478787 98941 73 3 0x1100090 kqread syslogd 98941 384522 1 0 3 0x100082 sbwait syslogd 52096 330421 1 0 3 0x100080 kqread resolvd 21740 68741 62595 77 3 0x100092 kqread dhcpleased 22758 149557 62595 77 3 0x100092 kqread dhcpleased 62595 444683 1 0 3 0x80 kqread dhcpleased 16301 244619 0 0 3 0x14200 pause smr 24079 509110 0 0 3 0x14200 pgzero zerothread 88722 123127 0 0 3 0x14200 aiodoned aiodoned 9500 265018 0 0 3 0x14200 syncer update 12972 205125 0 0 3 0x14200 cleaner cleaner 74576 258090 0 0 3 0x14200 reaper reaper 73733 442009 0 0 3 0x14200 pgdaemon pagedaemon 30460 446308 0 0 3 0x14200 bored viomb 72168 21293 0 0 3 0x40014200 acpi0 acpi0 894 280075 0 0 3 0x40014200 idle1 92772 285478 0 0 3 0x14200 bored softnet1 83277 11414 0 0 2 0x14200 softnet0 88260 57274 0 0 3 0x14200 bored systqmp 72500 119309 0 0 3 0x14200 bored systq 40778 72972 0 0 3 0x14200 tmoslp softclockmp 51367 408837 0 0 3 0x40014200 tmoslp softclock 99012 86046 0 0 3 0x40014200 idle0 1 283629 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 34278 (syz-executor) thread 0xffff8000fffefca0 (425393) 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 (0xffff800001701118) #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 7526 (syz-executor) thread 0xffff80002c028040 (373344) exclusive rrwlock inode r = 0 (0xfffffd8057ceea30) #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 51375 (syz-executor) thread 0xffff8000fffeefa8 (142293) exclusive rrwlock inode r = 0 (0xfffffd806e247db0) #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 vget+0x2a2 sys/kern/vfs_subr.c:693 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069391338) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #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 10241 11182K 12346K 166960K 16935 0 pcb 17 18K 36K 166960K 885 0 rtable 177 11K 12K 166960K 912 0 pf 39 18K 67485K 166960K 321 0 ifaddr 35 7K 8K 166960K 234 0 ifgroup 55 2K 2K 166960K 401 0 sysctl 4 1K 9K 166960K 31 0 counters 74 37K 38K 166960K 420 0 ioctlops 0 0K 4K 166960K 2409 0 iov 0 0K 28K 166960K 216 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1546 97K 98K 166960K 4709 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 13K 166960K 57 0 VM map 2 1K 1K 166960K 2 0 sem 20 49K 49K 166960K 300 0 dirhash 12 2K 2K 166960K 84 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 3677 0 sigio 0 0K 0K 166960K 96 0 proc 73 115K 164K 166960K 1309 0 subproc 72 4K 4K 166960K 207 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 454 0 in_multi 56 4K 7K 166960K 383 0 ether_multi 1 0K 0K 166960K 31 0 mrt 0 0K 0K 166960K 19 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 1301 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 8 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 248 167K 186K 166960K 35762 0 UVM aobj 9 2K 2K 166960K 11 0 pinsyscall 42 84K 104K 166960K 5149 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 236 0 NDP 13 0K 2K 166960K 176 0 temp 87 8656K 8751K 166960K 157537 0 kqueue 14 22K 34K 166960K 632 0 SYN cache 2 8K 16K 166960K 3 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 120 384 0 381 3 2 1 2 0 8 0 rtentry 176 295 0 235 5 1 4 5 0 8 0 unpcb 144 2415 0 2397 25 24 1 9 0 8 0 syncache 336 9 0 9 6 5 1 1 0 8 1 tcpqe 32 5 0 5 4 3 1 1 0 8 1 tcpcb 736 1573 0 1566 50 43 7 13 0 8 6 arp 136 32 0 24 1 0 1 1 0 8 0 inpcb 328 4603 0 4593 44 37 7 12 0 8 5 nd6 152 59 0 49 1 0 1 1 0 8 0 pkpcb 40 37 0 37 8 7 1 1 0 8 1 kcovpl 48 23 0 15 1 0 1 1 0 8 0 mppekey 1024 2 0 2 2 2 0 1 0 8 0 ppxss 1192 131 0 127 3 2 1 1 0 8 0 pppxif 1504 13 0 13 6 5 1 1 0 8 1 pfstscr 40 3 0 2 1 0 1 1 0 8 0 pffrag 232 21 0 15 1 0 1 1 0 482 0 pffrnode 88 16 0 10 1 0 1 1 0 8 0 pffrent 40 40 0 34 1 0 1 1 0 8 0 pfosfp 40 1430 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1430 0 714 21 0 21 21 0 8 0 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pfstitem 24 38 0 33 1 0 1 1 0 8 0 pfstkey 128 41 0 36 2 0 2 2 0 8 0 pfstate 384 39 0 35 4 2 2 4 0 8 0 pfrule 1344 26 0 20 2 1 1 2 0 8 0 rttmr 136 5 0 5 5 5 0 1 0 8 0 art_heap8 4096 5 0 0 5 0 5 5 0 8 0 art_heap4 256 1407 0 1114 45 23 22 28 0 8 1 art_table 40 1412 0 1114 6 1 5 5 0 8 0 art_node 32 290 0 239 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 19 1 0 1 1 0 8 0 semupl 112 10 0 10 5 5 0 1 0 8 0 semapl 112 291 0 273 1 0 1 1 0 8 0 shmpl 112 8 0 2 1 0 1 1 0 8 0 dirhash 1024 66 0 49 3 0 3 3 0 8 0 dino2pl 256 7923 0 6389 97 0 97 97 0 8 0 ffsino 296 7923 0 6389 119 0 119 119 0 8 0 nchpl 144 12850 0 11122 65 0 65 65 0 8 0 rtmask 32 28 0 28 8 7 1 1 0 8 1 uvmvnodes 80 5589 0 0 115 0 115 115 0 8 0 vnodes 216 5589 0 0 311 0 311 311 0 8 0 namei 1024 48156 0 48155 7 5 2 2 0 8 1 percpumem 16 225 0 173 1 0 1 1 0 8 0 kstatmem 264 260 0 230 4 1 3 3 0 8 0 scsiplug 72 13 0 13 6 5 1 1 0 8 1 scxspl 216 110569 0 110567 16 14 2 8 1 8 1 plimitpl 152 1233 0 1213 2 1 1 2 0 8 0 sigapl 424 3981 0 3912 10 2 8 8 0 8 0 knotepl 120 643 0 0 17 0 17 17 0 8 0 kqueuepl 224 1576 0 1565 19 18 1 7 0 8 0 pipepl 344 722 0 694 25 22 3 9 0 8 0 fdescpl 528 3912 0 3881 3 0 3 3 0 8 0 filepl 160 28346 0 28118 54 38 16 22 0 8 3 lockfpl 104 1959 0 1957 4 3 1 2 0 8 0 lockfspl 48 802 0 800 1 0 1 1 0 8 0 sessionpl 144 42 0 33 1 0 1 1 0 8 0 pgrppl 48 212 0 195 1 0 1 1 0 8 0 ucredpl 104 4013 0 4000 1 0 1 1 0 8 0 zombiepl 144 5077 0 5075 1 0 1 1 0 8 0 processpl 1232 3981 0 3912 6 0 6 6 0 8 0 procpl 664 10077 0 10000 10 2 8 8 0 8 0 sosppl 168 21 0 21 8 7 1 1 0 8 1 sockpl 752 7596 0 7565 92 81 11 24 0 8 6 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 123 0 0 14 0 14 14 0 8 0 mcl2k 2048 105 0 0 12 1 11 11 0 8 0 mtagpl 96 38 0 0 1 0 1 1 0 8 0 mbufpl 256 690 0 0 43 0 43 43 0 8 0 bufpl 280 46523 0 40380 440 0 440 440 0 8 0 anonpl 32 16022 0 0 130 1 129 129 0 246 0 amapchunkpl 152 123477 0 122943 77 49 28 34 0 158 2 amappl16 200 15583 0 15431 145 122 23 34 0 8 4 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 151 0 139 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 4801 0 4770 4 2 2 3 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 6 0 6 2 2 0 1 0 8 0 amappl9 144 282 0 281 2 1 1 1 0 8 0 amappl8 136 29 0 26 1 0 1 1 0 8 0 amappl7 128 143 0 130 1 0 1 1 0 8 0 amappl6 120 330 0 326 1 0 1 1 0 8 0 amappl5 112 181 0 170 1 0 1 1 0 8 0 amappl4 104 327 0 306 1 0 1 1 0 8 0 amappl3 96 21693 0 21590 5 1 4 4 0 8 0 amappl2 88 4209 0 4130 2 0 2 2 0 8 0 amappl1 80 24547 0 23939 19 4 15 15 0 8 0 amappl 88 34266 0 34091 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma32768 32768 2 0 2 2 2 0 1 0 8 0 dma16384 16384 1 0 1 1 0 1 1 0 8 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 2 0 2 2 2 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 2 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 10 0 2 1 0 1 1 0 8 0 uaddrrnd 24 3912 0 3881 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3912 0 3881 1 0 1 1 0 8 0 vmmpekpl 168 29578 0 29510 4 0 4 4 0 8 0 vmmpepl 168 249939 0 247784 158 49 109 119 0 357 1 vmsppl 488 3911 0 3881 6 1 5 5 0 8 0 rwobjpl 80 71720 0 65046 151 8 143 145 0 8 0 pdppl 4096 7832 0 7762 134 62 72 86 0 8 2 pvpl 32 26246 0 0 211 0 211 211 0 265 0 pmappl 256 3911 0 3881 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 437 0 150 9 0 9 9 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(ffff800033fdde50,ffff800000069c00) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff83915db8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83915db8) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff800033fddfb0,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7a495392ba80, count: -9 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(fffffd806b8ad580,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd806b8ad568,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd806b8ad568,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd8058826630,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd8058826630,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80002a3b1b90) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80002a3b1b90) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800001700f30,fffffd805e6f4300,ffff8000fffefca0) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff800001700f30,fffffd805b73fa00,fffffd805e6f4300,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff800001700f30,fffffd805e6f4300,ffff80002a3b1e18,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000fffefca0,3,ffff80002a3b1f98,e,ffff80002a3b2050) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff8000fffefca0,ffff80002a3b2100,ffff80002a3b2050) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80002a3b2100) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3b2100) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd40aabff5c0, count: -15