witness: lock order reversal: 1st 0xffff8000014b54f8 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd806dd62740 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff833fd222 -> 0xffffffff833a5512 is missing lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock) #0 rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 #1 sblock+0xb7 sys/kern/uipc_socket2.c:536 #2 soreceive+0x28e sys/kern/uipc_socket.c:882 #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+0xf8 sys/kern/vfs_vnops.c:531 #10 sys_ioctl+0x5c3 #11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbc6 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_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 #1 sblock+0xb7 sys/kern/uipc_socket2.c:536 #2 sosplice+0x40d sys/kern/uipc_socket.c:1364 #3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1221 #4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #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(fffffd806dd62740,9,0) at witness_checkorder+0x1047 rw_do_enter_write(fffffd806dd62728,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 rrw_enter(fffffd806dd62728,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 VOP_LOCK(fffffd807a7a1530,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd807a7a1530,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c540ce8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80003c540ce8) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff8000014b5338,fffffd8063daf100,ffff8000ffffa020) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff8000014b5338,fffffd8061750f00,fffffd8063daf100,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff8000014b5338,fffffd8063daf100,ffff80003c540f68,0,0,8) at sosend+0x804 sendit(ffff8000ffffa020,3,ffff80003c5410e0,8,ffff80003c5411a0) at sendit+0x721 sys/kern/uipc_syscalls.c:779 sys_sendmsg(ffff8000ffffa020,ffff80003c541250,ffff80003c5411a0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597 syscall(ffff80003c541250) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c541250) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7050f195e50, count: -15 ddb{1}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80003c540960 rbx 0xfffffd800470c580 rdx 0xffff8000014f2700 rcx 0xffff8000ffffa020 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80003c540840 r9 0x8080808080808080 r10 0x2dcbf466aeb0f924 r11 0xbd4c5478ec6ced3f r12 0 r13 0xfffffd8003f24f00 r14 0x3 r15 0xffffffff rip 0xffffffff810240e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c540950 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=69140 pid=45608 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=0xffff8000ffffa540,0xffff8000ffffb9d0 process=0xffff80002a4544b0 user=0xffff80003c53c000, vmspace=0xfffffd805e2f9580 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 11282 183575 80668 0 3 0x80 fsleep syz-executor 11282 148768 80668 0 3 0x4000000 biowait syz-executor 45608 131129 8290 0 3 0x80 fsleep syz-executor *45608 69140 8290 0 7 0x4000000 syz-executor 38188 331007 64777 0 3 0x80 fsleep syz-executor 38188 111497 64777 0 3 0x4000080 bell syz-executor 30465 468064 913 0 3 0x80 fsleep syz-executor 30465 299798 913 0 3 0x4000080 kqread syz-executor 8290 297597 3042 0 3 0x82 nanoslp syz-executor 11612 106896 45478 0 3 0x80 fsleep syz-executor 11612 30552 45478 0 3 0x4000080 lockf syz-executor 32794 228568 65618 0 3 0x80 fsleep syz-executor 32794 105866 65618 0 3 0x4000080 ttyout syz-executor 32794 158808 65618 0 3 0x4000080 fsleep syz-executor 67232 283892 15442 0 3 0x80 fsleep syz-executor 67232 36980 15442 0 3 0x4000080 kqread syz-executor 46796 373779 0 0 3 0x14200 bored sosplice 14435 498713 0 0 3 0x14280 nfsidl nfsio 99105 237822 0 0 3 0x14280 nfsidl nfsio 89748 161151 0 0 3 0x14280 nfsidl nfsio 15578 163489 0 0 3 0x14280 nfsidl nfsio 68362 59948 0 0 3 0x14280 nfsidl nfsio 81962 459009 0 0 3 0x14280 nfsidl nfsio 47820 340512 0 0 3 0x14280 nfsidl nfsio 19888 14765 0 0 3 0x14280 nfsidl nfsio 71153 6178 0 0 3 0x14280 nfsidl nfsio 81183 435883 0 0 3 0x14280 nfsidl nfsio 98111 12588 0 0 3 0x14280 nfsidl nfsio 61978 486010 0 0 3 0x14280 nfsidl nfsio 94057 508072 0 0 3 0x14280 nfsidl nfsio 26006 6262 0 0 3 0x14280 nfsidl nfsio 26886 96936 0 0 3 0x14280 nfsidl nfsio 87203 353707 0 0 3 0x14280 nfsidl nfsio 15314 76958 0 0 3 0x14280 nfsidl nfsio 34427 110124 0 0 3 0x14280 nfsidl nfsio 85960 399 0 0 3 0x14280 nfsidl nfsio 75293 496185 0 0 3 0x14280 nfsidl nfsio 45478 236542 3042 0 3 0x82 nanoslp syz-executor 64777 155773 3042 0 3 0x82 nanoslp syz-executor 80668 241683 3042 0 3 0x82 nanoslp syz-executor 65618 478734 3042 0 3 0x82 nanoslp syz-executor 46193 16601 3042 0 3 0x82 wait syz-executor 15442 481535 3042 0 3 0x82 nanoslp syz-executor 913 421586 3042 0 3 0x82 nanoslp syz-executor 3042 504633 99617 0 3 0x82 kqread syz-executor 99617 280014 80052 0 3 0x10008a sigsusp ksh 80052 38140 92163 0 3 0x98 kqread sshd-session 92163 521595 80560 0 3 0x92 kqread sshd-session 90140 239773 1 0 3 0x100083 ttyin getty 80560 474310 1 0 3 0x88 kqread sshd 19429 407375 1121 74 3 0x1100092 bpf pflogd 1121 28951 1 0 3 0x80 sbwait pflogd 93973 48786 82145 73 3 0x1100090 kqread syslogd 82145 403849 1 0 3 0x100082 sbwait syslogd 25173 19209 1 0 3 0x100080 kqread resolvd 34964 415343 96201 77 3 0x100092 kqread dhcpleased 67528 289581 96201 77 3 0x100092 kqread dhcpleased 96201 225077 1 0 3 0x80 kqread dhcpleased 5865 521663 0 0 3 0x14200 bored smr 70067 188254 0 0 3 0x14200 pgzero zerothread 73847 142652 0 0 3 0x14200 aiodoned aiodoned 36108 31836 0 0 3 0x14200 syncer update 98722 450000 0 0 3 0x14200 cleaner cleaner 48338 189222 0 0 3 0x14200 reaper reaper 80585 305319 0 0 3 0x14200 pgdaemon pagedaemon 56310 288966 0 0 3 0x14200 bored viomb 83549 481209 0 0 3 0x40014200 acpi0 acpi0 74499 56118 0 0 3 0x40014200 idle1 32812 36144 0 0 3 0x14200 bored softnet3 5639 231720 0 0 3 0x14200 bored softnet2 6589 456888 0 0 3 0x14200 bored softnet1 69367 327874 0 0 2 0x14200 softnet0 43076 146716 0 0 3 0x14200 bored systqmp 33622 408431 0 0 3 0x14200 bored systq 25997 360619 0 0 3 0x14200 tmoslp softclockmp 51453 340831 0 0 3 0x40014200 tmoslp softclock 204 413554 0 0 7 0x40014200 idle0 1 228550 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 11282 (syz-executor) thread 0xffff8000ffffb210 (148768) exclusive rrwlock inode r = 0 (0xfffffd806f369748) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 #9 VOP_CREATE+0xff sys/kern/vfs_vops.c:103 #10 vn_open+0x491 sys/kern/vfs_vnops.c:116 #11 doopenat+0x32e sys/kern/vfs_syscalls.c:1139 #12 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806de14970) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 vn_open+0x1f4 sys/kern/vfs_vnops.c:107 #8 doopenat+0x32e sys/kern/vfs_syscalls.c:1139 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 Process 45608 (syz-executor) thread 0xffff8000ffffa020 (69140) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83906af8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 unp_connect+0x26c sys/kern/uipc_usrreq.c:868 #2 uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 #3 sosend+0x804 #4 sendit+0x721 sys/kern/uipc_syscalls.c:779 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff8000014b54f8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sblock+0xb7 sys/kern/uipc_socket2.c:536 #3 sosend+0x2e2 sys/kern/uipc_socket.c:631 #4 sendit+0x721 sys/kern/uipc_syscalls.c:779 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10203 11029K 11553K 166960K 11974 0 pcb 17 14K 16K 166960K 267 0 rtable 209 8K 9K 166960K 461 0 pf 41 18K 19K 166960K 84 0 ifaddr 39 6K 7K 166960K 66 0 ifgroup 66 2K 3K 166960K 104 0 sysctl 4 1K 1K 166960K 4 0 counters 68 36K 37K 166960K 102 0 ioctlops 0 0K 4K 166960K 1598 0 iov 0 0K 14K 166960K 45 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1399 88K 88K 166960K 1903 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 12 0K 0K 166960K 22 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 607 0 sigio 0 0K 0K 166960K 11 0 proc 72 91K 140K 166960K 597 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 132 0 in_multi 79 5K 7K 166960K 127 0 ether_multi 2 0K 0K 166960K 5 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 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 568 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 242 73K 77K 166960K 7325 0 UVM aobj 10 2K 2K 166960K 11 0 pinsyscall 43 86K 104K 166960K 1761 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 41 0 NDP 16 0K 2K 166960K 46 0 temp 46 8640K 8735K 166960K 16004 0 kqueue 14 22K 28K 166960K 101 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 134 0 131 2 1 1 2 0 8 0 rtentry 112 131 0 40 4 0 4 4 0 8 0 unpcb 144 397 0 379 3 2 1 3 0 8 0 syncache 336 7 0 7 1 1 0 1 0 8 0 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 808 176 0 169 9 1 8 8 0 8 7 arp 120 21 0 6 1 0 1 1 0 8 0 inpcb 376 874 0 799 17 8 9 9 0 8 1 nd6 136 31 0 10 1 0 1 1 0 8 0 pkpcb 40 6 0 6 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 13 0 13 2 1 1 1 0 8 1 pppxif 1472 1 0 1 1 1 0 1 0 8 0 pfstscr 40 3 0 2 1 0 1 1 0 8 0 pffrag 232 2 0 1 1 0 1 1 0 482 0 pffrnode 88 2 0 1 1 0 1 1 0 8 0 pffrent 40 3 0 2 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 pfstitem 24 58 0 4 1 0 1 1 0 8 0 pfstkey 128 62 0 8 2 0 2 2 0 8 0 pfstate 376 58 0 6 6 0 6 6 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 519 0 146 30 6 24 29 0 8 0 art_table 32 521 0 146 4 0 4 4 0 8 0 art_node 16 129 0 47 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 1 1 0 1 1 0 8 0 semapl 112 20 0 10 1 0 1 1 0 8 0 shmpl 112 8 0 1 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2497 0 992 95 0 95 95 0 8 0 ffsino 280 2497 0 992 109 0 109 109 0 8 0 nchpl 144 3335 0 1647 63 0 63 63 0 8 0 rtmask 32 2 0 2 1 1 0 1 0 8 0 uvmvnodes 80 2892 0 0 60 0 60 60 0 8 0 vnodes 216 2892 0 0 161 0 161 161 0 8 0 namei 1024 11081 0 11079 4 2 2 2 0 8 1 percpumem 16 65 0 17 1 0 1 1 0 8 0 kstatmem 264 52 0 24 3 1 2 3 0 8 0 scsiplug 72 6 0 6 1 1 0 1 0 8 0 scxspl 216 10326 0 10325 11 4 7 7 1 8 6 plimitpl 152 83 0 64 1 0 1 1 0 8 0 sigapl 424 937 0 866 10 1 9 9 0 8 0 futexpl 64 7556 0 7548 1 0 1 1 0 8 0 knotepl 120 510 0 0 16 0 16 16 0 8 0 kqueuepl 216 278 0 267 6 1 5 5 0 8 4 pipepl 328 163 0 136 3 0 3 3 0 8 0 fdescpl 504 898 0 866 5 0 5 5 0 8 0 filepl 152 5368 0 5080 17 3 14 14 0 8 2 lockfpl 104 323 0 319 2 1 1 2 0 8 0 lockfspl 48 135 0 132 1 0 1 1 0 8 0 sessionpl 144 27 0 18 1 0 1 1 0 8 0 pgrppl 48 39 0 22 1 0 1 1 0 8 0 ucredpl 104 807 0 794 1 0 1 1 0 8 0 zombiepl 144 867 0 866 2 1 1 1 0 8 0 processpl 1176 937 0 866 6 0 6 6 0 8 0 procpl 656 1730 0 1651 9 1 8 8 0 8 0 srpgc 96 6 0 6 1 1 0 1 0 8 0 sosppl 168 2 0 2 1 1 0 1 0 8 0 sockpl 688 1426 0 1330 18 8 10 13 0 8 0 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 126 0 0 16 0 16 16 0 8 0 mcl2k 2048 29 0 0 4 0 4 4 0 8 0 mtagpl 96 95 0 0 3 0 3 3 0 8 0 mbufpl 256 1573 0 0 99 0 99 99 0 8 0 bufpl 280 3416 0 131 235 0 235 235 0 8 0 anonpl 24 153728 0 147711 81 21 60 62 0 184 13 amapchunkpl 152 23448 0 22823 33 3 30 30 0 158 4 amappl16 200 3154 0 3064 31 16 15 18 0 8 8 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 126 0 113 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 1 0 1 0 8 0 amappl12 168 1571 0 1539 4 1 3 3 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 265 0 265 1 1 0 1 0 8 0 amappl8 136 24 0 21 1 0 1 1 0 8 0 amappl7 128 125 0 113 1 0 1 1 0 8 0 amappl6 120 207 0 203 1 0 1 1 0 8 0 amappl5 112 129 0 120 1 0 1 1 0 8 0 amappl4 104 349 0 331 1 0 1 1 0 8 0 amappl3 96 4460 0 4339 4 0 4 4 0 8 0 amappl2 88 705 0 641 2 0 2 2 0 8 0 amappl1 80 10296 0 9713 14 0 14 14 0 8 0 amappl 88 6892 0 6706 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 7 0 7 2 2 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 1 1 0 1 1 0 8 0 uaddrrnd 24 898 0 866 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 898 0 866 1 0 1 1 0 8 0 vmmpekpl 168 9028 0 8986 3 0 3 3 0 8 0 vmmpepl 168 61709 0 59725 98 3 95 97 0 357 1 vmsppl 456 897 0 866 6 1 5 5 0 8 0 rwobjpl 64 22644 0 18729 64 0 64 64 0 8 0 pdppl 4096 1803 0 1732 109 36 73 85 0 8 2 pvpl 32 16022 0 0 130 0 130 130 0 265 0 pmappl 248 897 0 866 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 384 0 49 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(ffffffff8383aff0) 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(ffffffff839068f0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839068f0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a2b4f70,ffff800000069c00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff839068f0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839068f0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a2b50d0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218 sched_idle(ffffffff8383aff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -11 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(fffffd806dd62740,9,0) at witness_checkorder+0x1047 rw_do_enter_write(fffffd806dd62728,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 rrw_enter(fffffd806dd62728,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 VOP_LOCK(fffffd807a7a1530,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd807a7a1530,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c540ce8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80003c540ce8) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff8000014b5338,fffffd8063daf100,ffff8000ffffa020) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff8000014b5338,fffffd8061750f00,fffffd8063daf100,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff8000014b5338,fffffd8063daf100,ffff80003c540f68,0,0,8) at sosend+0x804 sendit(ffff8000ffffa020,3,ffff80003c5410e0,8,ffff80003c5411a0) at sendit+0x721 sys/kern/uipc_syscalls.c:779 sys_sendmsg(ffff8000ffffa020,ffff80003c541250,ffff80003c5411a0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597 syscall(ffff80003c541250) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c541250) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7050f195e50, count: -15