¹j¼õ¬|ÿ ž¨E1\…:witness: lock order reversal: 1st 0xffff8000012761e8 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd806d1300a0 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff830a027e -> 0xffffffff8304f7ef 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+0x298 sys/kern/uipc_socket.c:877 #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:179 [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+0x3e3 sys/kern/uipc_socket.c:1386 #3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1231 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [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(fffffd806d1300a0,9,0) at witness_checkorder+0x1024 rw_enter(fffffd806d130090,1) at rw_enter+0x122 rrw_enter(fffffd806d130090,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd806a3e4da0,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd806a3e4da0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff8000371c74d8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff8000371c74d8) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800001276040,fffffd8062fa2400,ffff80002d56b1e8) at unp_connect+0x27d sys/kern/uipc_usrreq.c:862 uipc_dgram_send(ffff800001276040,fffffd806ce22600,fffffd8062fa2400,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:601 sosend(ffff800001276040,fffffd8062fa2400,ffff8000371c7768,0,0,0) at sosend+0xa43 sendit(ffff80002d56b1e8,a,ffff8000371c78e0,0,ffff8000371c79a0) at sendit+0x721 sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff80002d56b1e8,ffff8000371c7a50,ffff8000371c79a0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 syscall(ffff8000371c7a50) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371c7a50) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdc21944b6d0, count: -15 ddb{0}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff8000371c7130 rbx 0xffffffff83061629 pp_r600_decoded_lanes+0x34594 rdx 0xffff8000011bcfc0 rcx 0xffff80002d56b1e8 rax 0x3ffff acpi_pdirpa+0x2be70 r8 0xffff8000371c7010 r9 0x8080808080808080 r10 0x716de30298157c98 r11 0x5a0469f0b570035e r12 0xfffffd800429ff98 r13 0xfffffd8003ab7dc0 r14 0x3 r15 0xffffffff rip 0xffffffff816cefe5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371c7120 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=314569 pid=40737 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff6530,0xffff80002d56a2c8 process=0xffff80002d56d220 user=0xffff8000371c2000, vmspace=0xfffffd8073e461b8 estcpu=34, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 40737 211642 80212 0 7 0x8000000 syz-executor *40737 314569 80212 0 7 0xc000000 syz-executor 20212 272274 23978 0 3 0x8000080 nanoslp syz-executor 20212 281910 23978 0 3 0xc000080 kqsel syz-executor 20212 322272 23978 0 3 0xc000080 fsleep syz-executor 20212 473106 23978 0 3 0xc000080 fsleep syz-executor 23668 165560 34195 0 3 0xc081000 smrbar syz-executor 23668 475432 34195 0 3 0xc081000 clonelk syz-executor 23668 168499 34195 0 3 0xc003000 suspend syz-executor 16376 416731 87651 -1 3 0x8000090 nanoslp syz-executor 16376 329816 87651 -1 3 0xc000090 netacc syz-executor 16376 356659 87651 -1 3 0xc000090 fsleep syz-executor 80212 93651 92294 0 3 0x8000082 nanoslp syz-executor 55313 181543 92294 0 3 0x8000082 wait syz-executor 70505 341638 92294 0 3 0x8000002 biowait syz-executor 23978 339916 92294 0 3 0x8000082 nanoslp syz-executor 34195 362024 92294 0 3 0x8000082 nanoslp syz-executor 27732 1128 92294 0 3 0x8000002 biowait syz-executor 96817 114107 92294 0 3 0x8000002 biowait syz-executor 87651 203009 92294 0 3 0x8000082 nanoslp syz-executor 87736 139301 0 0 3 0x14200 bored sosplice 92294 215629 53468 0 3 0x8000082 kqread syz-executor 53468 280527 3571 0 3 0x810008a sigsusp ksh 3571 438524 748 0 3 0x18000098 kqread sshd-session 748 238773 63623 0 3 0x18000092 kqread sshd-session 38208 60515 1 0 3 0x18100083 ttyin getty 63623 273894 1 0 3 0x18000088 kqread sshd 76886 377315 49079 74 3 0x19100092 bpf pflogd 49079 480782 1 0 3 0x18000080 sbwait pflogd 38582 11620 59479 73 3 0x19100010 ffs_fsync syslogd 59479 237995 1 0 3 0x18100082 sbwait syslogd 81766 474779 1 0 3 0x18100080 kqread resolvd 58455 166967 37592 77 3 0x18100092 kqread dhcpleased 81019 286157 37592 77 3 0x18100092 kqread dhcpleased 37592 219699 1 0 3 0x18000080 kqread dhcpleased 19507 395495 0 0 3 0x14200 pause smr 14391 250947 0 0 3 0x14200 pgzero zerothread 6273 249472 0 0 3 0x14200 aiodoned aiodoned 86868 136127 0 0 3 0x14200 syncer update 61986 486795 0 0 3 0x14200 cleaner cleaner 35333 419667 0 0 3 0x14200 reaper reaper 82656 235601 0 0 3 0x14200 pgdaemon pagedaemon 79716 251219 0 0 3 0x14200 bored viomb 62795 497496 0 0 3 0x40014200 acpi0 acpi0 70049 405641 0 0 3 0x40014200 idle1 64094 236445 0 0 3 0x14200 bored softnet3 62298 206990 0 0 3 0x14200 bored softnet2 38560 477361 0 0 3 0x14200 bored softnet1 43407 498347 0 0 3 0x14200 bored softnet0 30034 34181 0 0 3 0x14200 bored systqmp 64418 295870 0 0 3 0x14200 bored systq 299 163565 0 0 3 0x14200 tmoslp softclockmp 23154 96113 0 0 3 0x40014200 tmoslp softclock 59593 62355 0 0 3 0x40014200 idle0 1 90444 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 40737 (syz-executor) thread 0xffff80002d56b1e8 (314569) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff834f5130) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 unp_connect+0x26c sys/kern/uipc_usrreq.c:862 #2 uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:601 #3 sosend+0xa43 #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:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff8000012761e8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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:611 #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:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 23668 (syz-executor) thread 0xffff8000ffff6f50 (165560) exclusive rwlock clonelk r = 0 (0xffffffff834a9f40) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 if_clone_destroy+0x67 #2 ifioctl+0x5c5 #3 sys_ioctl+0x67c #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 Process 70505 (syz-executor) thread 0xffff8000ffffccb8 (341638) exclusive rrwlock inode r = 0 (0xfffffd807ca845f8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:120 #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_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3104 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806f90bf78) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3089 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 27732 (syz-executor) thread 0xffff800032d98f58 (1128) exclusive rrwlock inode r = 0 (0xfffffd807ca84b48) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:120 #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_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3104 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80788e1c50) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3089 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 96817 (syz-executor) thread 0xffff800032d982b0 (114107) exclusive rrwlock inode r = 0 (0xfffffd807ca84e78) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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:676 #6 ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95 #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:1856 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80788e1f80) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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:1856 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 38582 (syslogd) thread 0xffff8000ffffd960 (11620) exclusive rrwlock inode r = 0 (0xfffffd806e4961b0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2931 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10221 10379K 10629K 166960K 13868 0 pcb 17 16K 17K 166960K 371 0 rtable 195 8K 9K 166960K 1987 0 pf 34 9K 10K 166960K 203 0 ifaddr 42 15K 16K 166960K 282 0 ifgroup 59 2K 2K 166960K 337 0 sysctl 2 1K 3K 166960K 7 0 counters 66 36K 37K 166960K 216 0 ioctlops 0 0K 4K 166960K 1602 0 iov 0 0K 16K 166960K 108 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1425 90K 90K 166960K 3551 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 36 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 96 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 89K 166960K 2041 0 sigio 1 0K 0K 166960K 14 0 proc 70 91K 128K 166960K 2009 0 subproc 104 6K 6K 166960K 754 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 189 0 in_multi 85 6K 7K 166960K 704 0 ether_multi 1 0K 0K 166960K 21 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 139 625K 625K 166960K 139 0 exec 0 0K 1K 166960K 1321 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 235 89K 107K 166960K 18078 0 UVM aobj 121 7K 7K 166960K 123 0 pinsyscall 40 80K 102K 166960K 4430 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 116 0 NDP 13 0K 2K 166960K 204 0 temp 76 6816K 6883K 166960K 55884 0 kqueue 13 20K 28K 166960K 181 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 120 248 0 245 1 0 1 1 0 8 0 rtentry 112 698 0 612 4 0 4 4 0 8 0 unpcb 144 2051 0 2025 17 15 2 10 0 8 1 syncache 336 5 0 5 1 1 0 1 0 8 0 tcpcb 808 413 0 405 4 2 2 2 0 8 0 arp 120 125 0 110 1 0 1 1 0 8 0 inpcb 384 2230 0 2219 42 27 15 15 0 8 12 nd6 136 188 0 165 1 0 1 1 0 8 0 pkpcb 40 5 0 5 3 3 0 1 0 8 0 kcovpl 48 58 0 50 1 0 1 1 0 8 0 ppxss 1168 15 0 15 7 6 1 1 0 8 1 pffrag 232 45 0 44 1 0 1 1 0 482 0 pffrnode 88 44 0 43 1 0 1 1 0 8 0 pffrent 40 134 0 133 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 24 177 0 128 1 0 1 1 0 8 0 pfstkey 128 177 0 128 2 0 2 2 0 8 0 pfstate 376 177 0 128 5 0 5 5 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2717 0 2339 34 5 29 29 0 8 1 art_table 32 2718 0 2339 4 0 4 4 0 8 0 art_node 16 692 0 616 1 0 1 1 0 8 0 sysvmsgpl 40 34 0 12 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 92 0 82 1 0 1 1 0 8 0 shmpl 112 120 0 2 4 0 4 4 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 4151 0 2543 101 0 101 101 0 8 0 ffsino 272 4151 0 2543 108 0 108 108 0 8 0 nchpl 144 6212 0 4440 67 0 67 67 0 8 0 uvmvnodes 80 5703 0 0 117 0 117 117 0 8 0 vnodes 216 5703 0 0 317 0 317 317 0 8 0 namei 1024 27745 0 27742 3 2 1 2 0 8 0 percpumem 16 122 0 75 1 0 1 1 0 8 0 vcpupl 3904 4 0 0 1 0 1 1 0 8 0 vmpool 696 6 0 2 1 0 1 1 0 8 0 kstatmem 264 176 0 150 3 1 2 3 0 8 0 scsiplug 72 5 0 5 2 2 0 1 0 8 0 scxspl 216 32479 0 32475 14 12 2 8 1 8 1 plimitpl 152 493 0 476 1 0 1 1 0 8 0 sigapl 424 2267 0 2219 10 3 7 9 0 8 0 futexpl 64 26187 0 26184 4 3 1 1 0 8 0 knotepl 120 660 0 0 17 0 17 17 0 8 0 kqueuepl 216 599 0 588 11 10 1 5 0 8 0 pipepl 320 537 0 508 9 6 3 7 0 8 0 fdescpl 496 2227 0 2198 8 3 5 5 0 8 0 filepl 152 15632 0 15365 40 25 15 20 0 8 3 lockfpl 104 577 0 575 1 0 1 1 0 8 0 lockfspl 48 251 0 249 1 0 1 1 0 8 0 sessionpl 144 72 0 63 1 0 1 1 0 8 0 pgrppl 48 138 0 121 1 0 1 1 0 8 0 ucredpl 104 3289 0 3274 1 0 1 1 0 8 0 zombiepl 144 2221 0 2219 1 0 1 1 0 8 0 processpl 1152 2267 0 2219 7 2 5 6 0 8 0 procpl 648 4416 0 4359 11 5 6 8 0 8 0 srpgc 96 10 0 10 5 4 1 1 0 8 1 sosppl 168 10 0 10 2 2 0 1 0 8 0 sockpl 664 4552 0 4512 54 40 14 23 0 8 10 mcl64k 65536 3 0 0 1 0 1 1 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 mcl8k 8192 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 276 0 0 35 0 35 35 0 8 0 mtagpl 96 19 0 0 1 0 1 1 0 8 0 mbufpl 256 486 0 0 29 0 29 29 0 8 0 bufpl 280 8453 0 2281 442 0 442 442 0 8 0 anonpl 24 302887 0 299269 92 43 49 52 0 185 18 amapchunkpl 152 57456 0 56975 51 22 29 32 0 158 7 amappl16 200 5390 0 5365 46 36 10 15 0 8 7 amappl15 192 47 0 46 1 0 1 1 0 8 0 amappl14 184 217 0 205 1 0 1 1 0 8 0 amappl13 176 19 0 19 2 2 0 1 0 8 0 amappl12 168 3670 0 3641 3 1 2 2 0 8 0 amappl11 160 50 0 36 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 136 0 136 1 1 0 1 0 8 0 amappl8 136 34 0 31 1 0 1 1 0 8 0 amappl7 128 211 0 199 1 0 1 1 0 8 0 amappl6 120 665 0 664 1 0 1 1 0 8 0 amappl5 112 337 0 325 1 0 1 1 0 8 0 amappl4 104 375 0 355 1 0 1 1 0 8 0 amappl3 96 11525 0 11415 4 0 4 4 0 8 0 amappl2 88 1328 0 1263 2 0 2 2 0 8 0 amappl1 80 16581 0 16006 15 1 14 14 0 8 0 amappl 88 17247 0 17078 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 128 253 0 253 1 1 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 122 0 2 3 0 3 3 0 8 0 uaddrrnd 24 2233 0 2200 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2233 0 2200 1 0 1 1 0 8 0 vmmpekpl 168 19861 0 19808 4 0 4 4 0 8 0 vmmpepl 168 139652 0 137845 118 30 88 97 0 357 3 vmsppl 440 2232 0 2200 9 4 5 5 0 8 0 rwobjpl 56 45083 0 38317 98 2 96 96 0 8 0 pdppl 4096 4473 0 4404 179 104 75 83 0 8 6 pvpl 32 28912 0 0 233 1 232 232 0 265 0 pmappl 248 2232 0 2200 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 512 0 122 12 0 12 12 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(fffffd806d1300a0,9,0) at witness_checkorder+0x1024 rw_enter(fffffd806d130090,1) at rw_enter+0x122 rrw_enter(fffffd806d130090,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd806a3e4da0,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd806a3e4da0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff8000371c74d8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff8000371c74d8) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800001276040,fffffd8062fa2400,ffff80002d56b1e8) at unp_connect+0x27d sys/kern/uipc_usrreq.c:862 uipc_dgram_send(ffff800001276040,fffffd806ce22600,fffffd8062fa2400,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:601 sosend(ffff800001276040,fffffd8062fa2400,ffff8000371c7768,0,0,0) at sosend+0xa43 sendit(ffff80002d56b1e8,a,ffff8000371c78e0,0,ffff8000371c79a0) at sendit+0x721 sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff80002d56b1e8,ffff8000371c7a50,ffff8000371c79a0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 syscall(ffff8000371c7a50) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371c7a50) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdc21944b6d0, 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 __mp_lock(ffffffff834f4f28) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff834f4f28) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff8000371ef1c0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371ef1c0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7dd5cb678460, count: -6