witness: lock order reversal: 1st 0xffff8000012933e0 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd806df6a0a0 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff830be9a1 -> 0xffffffff8306b4aa is missing lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock) #0 rw_enter+0x122 #1 sblock+0xb7 sys/kern/uipc_socket2.c:549 #2 soreceive+0x295 sys/kern/uipc_socket.c:945 #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+0xf6 sys/kern/vfs_vnops.c:525 #10 sys_ioctl+0x67c #11 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #11 syscall+0xbb6 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_enter+0x122 #1 sblock+0xb7 sys/kern/uipc_socket2.c:549 #2 sosplice+0x3f4 sys/kern/uipc_socket.c:1454 #3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1228 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #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:437 witness_checkorder(fffffd806df6a0a0,9,0) at witness_checkorder+0x1047 rw_enter(fffffd806df6a090,1) at rw_enter+0x122 rrw_enter(fffffd806df6a090,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd806c033e78,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd806c033e78,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff8000371f2de8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff8000371f2de8) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800001293238,fffffd8060254a00,ffff8000371f5718) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff800001293238,fffffd80605f4b00,fffffd8060254a00,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff800001293238,fffffd8060254a00,ffff8000371f3078,0,0,0) at sosend+0xa40 sendit(ffff8000371f5718,3,ffff8000371f31f0,0,ffff8000371f32b0) at sendit+0x721 sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff8000371f5718,ffff8000371f3360,ffff8000371f32b0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 syscall(ffff8000371f3360) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371f3360) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xba6274d9f00, count: -15 ddb{0}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff8000371f2a40 rbx 0xfffffd80042c2690 rdx 0xffff8000012a45c0 rcx 0xffff8000371f5718 rax 0x3ffff acpi_pdirpa+0x2be70 r8 0xffff8000371f2920 r9 0x8080808080808080 r10 0xc51f8c6b49a6b098 r11 0xb5d410f3b7aa0069 r12 0 r13 0xfffffd8003adae00 r14 0x3 r15 0xffffffff rip 0xffffffff81610e15 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371f2a30 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=85866 pid=67244 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371f5208,0xffffffff835f1e20 process=0xffff800037271fc8 user=0xffff8000371ee000, vmspace=0xfffffd806ce1a018 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 67244 180459 8853 0 2 0x10 syz-executor *67244 85866 8853 0 7 0x4000010 syz-executor 41189 417884 81752 0 2 0 syz-executor 41189 247543 81752 0 3 0x4000080 fsleep syz-executor 79861 37093 79970 60928 3 0x90 nanoslp syz-executor 79861 12267 79970 60928 3 0x4000090 netcon syz-executor 79861 358498 79970 60928 3 0x4000090 netio syz-executor 79861 17404 79970 60928 3 0x4000090 fsleep syz-executor 78679 354049 31723 0 2 0 syz-executor 78679 139326 31723 0 3 0x4000080 fsleep syz-executor 21850 218572 64255 0 3 0x80 nanoslp syz-executor 21850 404399 64255 0 3 0x4000080 kqsel syz-executor 21850 473504 64255 0 3 0x4000080 fsleep syz-executor 2260 275171 64237 0 3 0x2 biowait syz-executor 66292 70490 1 0 3 0x100083 ttyin getty 8284 210361 0 0 3 0x14280 nfsidl nfsio 67511 122681 0 0 3 0x14280 nfsidl nfsio 71654 278167 0 0 3 0x14280 nfsidl nfsio 67334 424609 0 0 3 0x14280 nfsidl nfsio 78699 93612 0 0 3 0x14280 nfsidl nfsio 78681 362593 0 0 3 0x14280 nfsidl nfsio 16039 233626 0 0 3 0x14280 nfsidl nfsio 68699 351972 0 0 3 0x14280 nfsidl nfsio 80825 62250 0 0 3 0x14280 nfsidl nfsio 38759 468580 0 0 3 0x14280 nfsidl nfsio 15235 32710 0 0 3 0x14280 nfsidl nfsio 35307 358905 0 0 3 0x14280 nfsidl nfsio 90101 99141 0 0 3 0x14280 nfsidl nfsio 4532 151506 0 0 3 0x14280 nfsidl nfsio 36757 475669 0 0 3 0x14280 nfsidl nfsio 95865 240138 0 0 3 0x14280 nfsidl nfsio 53886 384927 0 0 3 0x14280 nfsidl nfsio 35579 134746 0 0 3 0x14280 nfsidl nfsio 80089 220767 0 0 3 0x14280 nfsidl nfsio 88063 474744 0 0 3 0x14280 nfsidl nfsio 95417 93100 64237 0 3 0x82 nanoslp syz-executor 54289 297829 0 0 3 0x14200 bored sosplice 79970 68662 64237 0 3 0x82 nanoslp syz-executor 81752 349967 64237 0 3 0x82 nanoslp syz-executor 10101 130268 64237 0 3 0x82 nanoslp syz-executor 8853 42914 64237 0 3 0x82 nanoslp syz-executor 64255 443147 64237 0 3 0x82 nanoslp syz-executor 31723 484515 64237 0 3 0x82 nanoslp syz-executor 64237 296738 61168 0 3 0x82 kqread syz-executor 61168 289286 96598 0 3 0x10008a sigsusp ksh 96598 142266 4264 0 3 0x98 kqread sshd-session 4264 468592 54148 0 3 0x92 kqread sshd-session 54148 105266 1 0 3 0x88 kqread sshd 62546 105981 22080 74 3 0x1100092 bpf pflogd 22080 447035 1 0 3 0x80 sbwait pflogd 36596 154521 26234 73 3 0x1100090 kqread syslogd 26234 518918 1 0 3 0x100082 sbwait syslogd 4875 523929 1 0 3 0x100080 kqread resolvd 99898 448283 4569 77 3 0x100092 kqread dhcpleased 48770 499477 4569 77 3 0x100092 kqread dhcpleased 4569 516369 1 0 3 0x80 kqread dhcpleased 13644 115002 0 0 3 0x14200 bored smr 69798 268276 0 0 2 0x14200 zerothread 60490 103695 0 0 3 0x14200 aiodoned aiodoned 52673 139364 0 0 3 0x14200 syncer update 39347 225000 0 0 3 0x14200 cleaner cleaner 13382 108084 0 0 3 0x14200 reaper reaper 59087 96221 0 0 3 0x14200 pgdaemon pagedaemon 59854 145463 0 0 3 0x14200 bored viomb 40334 134630 0 0 3 0x40014200 acpi0 acpi0 89691 227957 0 0 7 0x40014200 idle1 17931 162211 0 0 3 0x14200 bored softnet3 95653 351067 0 0 3 0x14200 bored softnet2 35743 518090 0 0 3 0x14200 bored softnet1 12707 399868 0 0 3 0x14200 bored softnet0 91123 81540 0 0 3 0x14200 bored systqmp 1164 275123 0 0 3 0x14200 bored systq 93107 481636 0 0 3 0x14200 tmoslp softclockmp 79446 432640 0 0 3 0x40014200 tmoslp softclock 49801 118040 0 0 3 0x40014200 idle0 1 181809 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 67244 (syz-executor) thread 0xffff8000371f5718 (85866) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8359d538) #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+0xa40 #4 sendit+0x721 sys/kern/uipc_syscalls.c:786 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff8000012933e0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sblock+0xb7 sys/kern/uipc_socket2.c:549 #3 sosend+0x2ff sys/kern/uipc_socket.c:681 #4 sendit+0x721 sys/kern/uipc_syscalls.c:786 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 2260 (syz-executor) thread 0xffff8000371f59a0 (275171) exclusive rrwlock inode r = 0 (0xfffffd806defcb40) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:678 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806df51e70) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10209 11205K 13945K 166960K 17701 0 pcb 17 16K 18K 166960K 840 0 rtable 175 6K 7K 166960K 715 0 pf 37 18K 25K 166960K 204 0 ifaddr 35 6K 7K 166960K 104 0 ifgroup 56 2K 2K 166960K 158 0 sysctl 4 1K 2K 166960K 8 0 counters 62 36K 36K 166960K 136 0 ioctlops 0 0K 4K 166960K 1769 0 iov 0 0K 28K 166960K 370 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1634 103K 103K 166960K 4584 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 46 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 143 0 dirhash 12 2K 2K 166960K 63 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 17 61K 93K 166960K 2715 0 sigio 0 0K 0K 166960K 120 0 proc 74 91K 152K 166960K 919 0 subproc 104 6K 6K 166960K 143 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 323 0 in_multi 76 5K 7K 166960K 225 0 ether_multi 1 0K 0K 166960K 22 0 mrt 1 0K 0K 166960K 9 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 109 493K 493K 166960K 109 0 exec 0 0K 1K 166960K 826 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 252 74K 87K 166960K 26250 0 UVM aobj 34 6K 6K 166960K 39 0 pinsyscall 42 84K 103K 166960K 3914 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 151 0 NDP 12 0K 2K 166960K 75 0 temp 82 6828K 6908K 166960K 98601 0 kqueue 13 20K 32K 166960K 426 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 193 0 190 1 0 1 1 0 8 0 rtentry 112 200 0 124 4 0 4 4 0 8 0 unpcb 144 2283 0 2261 23 20 3 6 0 8 2 syncache 336 12 0 12 4 4 0 1 0 8 0 tcpqe 32 5 0 5 3 3 0 1 0 8 0 tcpcb 808 1290 0 1281 43 36 7 8 0 8 6 arp 120 31 0 18 1 0 1 1 0 8 0 inpcb 336 3970 0 3959 44 37 7 7 0 8 6 nd6 136 46 0 27 1 0 1 1 0 8 0 pkpcb 40 14 0 14 6 5 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1168 25 0 25 8 7 1 1 0 8 1 pfstscr 40 2 0 2 2 2 0 1 0 8 0 pffrag 232 17 0 14 1 0 1 1 0 482 0 pffrnode 88 16 0 13 1 0 1 1 0 8 0 pffrent 40 83 0 80 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 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 180 0 104 1 0 1 1 0 8 0 pfstkey 128 193 0 118 3 0 3 3 0 8 0 pfstate 376 185 0 111 8 0 8 8 0 8 0 pfrule 1344 37 0 30 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 825 0 475 36 14 22 29 0 8 0 art_table 32 828 0 475 4 0 4 4 0 8 0 art_node 16 191 0 123 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 13 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 140 0 130 1 0 1 1 0 8 0 shmpl 112 36 0 5 1 0 1 1 0 8 0 dirhash 1024 51 0 34 3 0 3 3 0 8 0 dino2pl 256 6770 0 5272 95 0 95 95 0 8 0 ffsino 272 6770 0 5272 101 0 101 101 0 8 0 nchpl 144 10745 0 10178 63 40 23 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 38887 0 38886 5 4 1 2 0 8 0 percpumem 16 82 0 37 1 0 1 1 0 8 0 kstatmem 264 96 0 74 2 0 2 2 0 8 0 scsiplug 72 10 0 10 5 4 1 1 0 8 1 scxspl 216 38513 0 38512 11 9 2 8 1 8 1 plimitpl 152 745 0 727 1 0 1 1 0 8 0 sigapl 424 3065 0 2995 14 5 9 9 0 8 0 futexpl 64 39884 0 39880 1 0 1 1 0 8 0 knotepl 120 627 0 0 18 0 18 18 0 8 0 kqueuepl 216 900 0 890 13 12 1 5 0 8 0 pipepl 320 597 0 569 13 10 3 8 0 8 0 fdescpl 496 3000 0 2969 5 0 5 5 0 8 0 filepl 152 24340 0 24077 54 37 17 20 0 8 5 lockfpl 104 1066 0 1063 2 1 1 2 0 8 0 lockfspl 48 354 0 351 1 0 1 1 0 8 0 sessionpl 144 36 0 27 1 0 1 1 0 8 0 pgrppl 48 82 0 65 1 0 1 1 0 8 0 ucredpl 104 4984 0 4969 1 0 1 1 0 8 0 zombiepl 144 3024 0 3022 4 3 1 1 0 8 0 processpl 1160 3065 0 2995 8 2 6 6 0 8 0 procpl 648 6892 0 6814 11 3 8 8 0 8 0 srpgc 96 4 0 4 2 2 0 1 0 8 0 sosppl 168 17 0 17 5 5 0 1 0 8 0 sockpl 664 6509 0 6473 54 45 9 15 0 8 5 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 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 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 144 0 0 18 0 18 18 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 24 0 0 3 0 3 3 0 8 0 mtagpl 96 151 0 0 4 0 4 4 0 8 0 mbufpl 256 1204 0 0 74 0 74 74 0 8 0 bufpl 280 13872 0 7698 442 0 442 442 0 8 0 anonpl 24 462928 0 455290 184 104 80 80 0 185 18 amapchunkpl 152 88061 0 87439 61 31 30 33 0 158 4 amappl16 200 11673 0 11493 104 79 25 28 0 8 8 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 142 0 130 1 0 1 1 0 8 0 amappl13 176 20 0 20 3 3 0 1 0 8 0 amappl12 168 3699 0 3668 4 2 2 3 0 8 0 amappl11 160 57 0 43 1 0 1 1 0 8 0 amappl10 152 13 0 13 1 1 0 1 0 8 0 amappl9 144 132 0 131 1 0 1 1 0 8 0 amappl8 136 96 0 93 1 0 1 1 0 8 0 amappl7 128 129 0 116 1 0 1 1 0 8 0 amappl6 120 192 0 190 1 0 1 1 0 8 0 amappl5 112 160 0 148 1 0 1 1 0 8 0 amappl4 104 359 0 338 1 0 1 1 0 8 0 amappl3 96 16199 0 16098 3 0 3 3 0 8 0 amappl2 88 3381 0 3292 5 2 3 3 0 8 0 amappl1 80 17481 0 16918 15 1 14 14 0 8 0 amappl 88 25586 0 25396 5 0 5 5 0 92 0 dma32768 32768 5 0 5 5 5 0 1 0 8 0 dma4096 4096 2 0 2 2 1 1 1 0 8 1 dma2048 2048 3 0 3 2 2 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 128 257 0 257 5 4 1 1 0 8 1 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 21 0 20 1 0 1 1 0 8 0 aobjpl 72 38 0 5 1 0 1 1 0 8 0 uaddrrnd 24 3000 0 2969 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3000 0 2969 1 0 1 1 0 8 0 vmmpekpl 168 23861 0 23817 3 0 3 3 0 8 0 vmmpepl 168 188406 0 186342 153 47 106 106 0 357 9 vmsppl 448 2999 0 2969 6 2 4 5 0 8 0 rwobjpl 56 55444 0 48378 110 5 105 105 0 8 1 pdppl 4096 6007 0 5938 143 72 71 85 0 8 2 pvpl 32 31273 0 0 252 0 252 252 0 265 0 pmappl 248 2999 0 2969 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 600 0 185 13 0 13 13 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:437 witness_checkorder(fffffd806df6a0a0,9,0) at witness_checkorder+0x1047 rw_enter(fffffd806df6a090,1) at rw_enter+0x122 rrw_enter(fffffd806df6a090,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd806c033e78,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd806c033e78,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff8000371f2de8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff8000371f2de8) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800001293238,fffffd8060254a00,ffff8000371f5718) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff800001293238,fffffd80605f4b00,fffffd8060254a00,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff800001293238,fffffd8060254a00,ffff8000371f3078,0,0,0) at sosend+0xa40 sendit(ffff8000371f5718,3,ffff8000371f31f0,0,ffff8000371f32b0) at sendit+0x721 sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff8000371f5718,ffff8000371f3360,ffff8000371f32b0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 syscall(ffff8000371f3360) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371f3360) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xba6274d9f00, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218 sched_idle(ffff800029b7bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -5