witness: lock order reversal: 1st 0xffff800010fdb170 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd806de81d68 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(fffffd806de81d68,9,0) at witness_checkorder+0x1047 rw_enter(fffffd806de81d58,1) at rw_enter+0x122 rrw_enter(fffffd806de81d58,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd806a93fa30,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd806a93fa30,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff80002a0ac988) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80002a0ac988) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fdafc8,fffffd8079732000,ffff8000371fc550) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff800010fdafc8,fffffd8060524100,fffffd8079732000,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff800010fdafc8,fffffd8079732000,ffff80002a0acc18,0,0,8) at sosend+0xa40 sendit(ffff8000371fc550,5,ffff80002a0acd90,8,ffff80002a0ace50) at sendit+0x721 sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff8000371fc550,ffff80002a0acf00,ffff80002a0ace50) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 syscall(ffff80002a0acf00) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a0acf00) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x64f7ac70d70, count: -15 ddb{0}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff80002a0ac5e0 rbx 0xfffffd80042c4230 rdx 0xffff80000128f840 rcx 0xffff8000371fc550 rax 0x3ffff acpi_pdirpa+0x2be70 r8 0xffff80002a0ac4c0 r9 0x8080808080808080 r10 0x692672920af717c9 r11 0xd95bfc9a3c0e38df r12 0 r13 0xfffffd8003adae00 r14 0x3 r15 0xffffffff rip 0xffffffff81610e15 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a0ac5d0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=304649 pid=80380 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371fd480,0xffff8000355a87d8 process=0xffff800037275228 user=0xffff80002a0a7000, vmspace=0xfffffd8069f6f020 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 80380 31016 74282 0 2 0 syz-executor *80380 304649 74282 0 7 0x4000000 syz-executor 37657 412064 83303 0 2 0 syz-executor 37657 251279 83303 0 3 0x4000080 fsleep syz-executor 66697 417620 52538 0 3 0 vmmaplk syz-executor 66697 212898 52538 0 2 0x4000000 syz-executor 66697 62094 52538 0 2 0x4000000 syz-executor 50150 199231 16443 0 2 0 syz-executor 50150 2948 16443 0 3 0x4000000 biowait syz-executor 50150 144257 16443 0 2 0x4000000 syz-executor 92455 85431 24251 0 3 0x80 nanoslp syz-executor 92455 38411 24251 0 3 0x4000080 kqpoll syz-executor 92455 4105 24251 0 3 0x4000080 fsleep syz-executor 61589 214292 11768 0 3 0x80 nanoslp syz-executor 61589 467850 11768 0 2 0x4000000 syz-executor 61589 186924 11768 0 3 0x4000080 fsleep syz-executor 61589 233940 11768 0 3 0x4000080 fsleep syz-executor 5799 90400 94968 0 2 0 syz-executor 5799 332984 94968 0 3 0x4000080 kqpoll syz-executor 22567 337307 0 0 3 0x14200 acct acct 83303 495460 65194 0 3 0x82 nanoslp syz-executor 52538 9248 65194 0 3 0x82 nanoslp syz-executor 67359 428771 0 0 3 0x14280 nfsidl nfsio 4598 421794 0 0 3 0x14280 nfsidl nfsio 18311 449468 0 0 3 0x14280 nfsidl nfsio 14543 444660 0 0 3 0x14280 nfsidl nfsio 65623 433735 0 0 3 0x14280 nfsidl nfsio 4477 131373 0 0 3 0x14280 nfsidl nfsio 66630 358470 0 0 3 0x14280 nfsidl nfsio 95435 341646 0 0 3 0x14280 nfsidl nfsio 76743 462152 0 0 3 0x14280 nfsidl nfsio 34463 287043 0 0 3 0x14280 nfsidl nfsio 18511 263776 0 0 3 0x14280 nfsidl nfsio 7331 476189 0 0 3 0x14280 nfsidl nfsio 3449 503479 0 0 3 0x14280 nfsidl nfsio 41033 508790 0 0 3 0x14280 nfsidl nfsio 99585 124175 0 0 3 0x14280 nfsidl nfsio 88838 4896 0 0 3 0x14280 nfsidl nfsio 16445 510791 0 0 3 0x14280 nfsidl nfsio 40845 165617 0 0 3 0x14280 nfsidl nfsio 15850 400658 0 0 3 0x14280 nfsidl nfsio 23524 174082 0 0 3 0x14280 nfsidl nfsio 89119 245599 65194 0 7 0x2 syz-executor 95731 498595 1 0 3 0x100083 ttyin getty 11768 103278 65194 0 2 0x3 syz-executor 78238 207087 0 0 3 0x14200 bored sosplice 24251 446621 65194 0 3 0x82 nanoslp syz-executor 94968 188573 65194 0 3 0x82 nanoslp syz-executor 16443 500484 65194 0 3 0x82 nanoslp syz-executor 74282 267684 65194 0 3 0x82 nanoslp syz-executor 65194 33541 84209 0 3 0x82 kqread syz-executor 84209 223335 12133 0 3 0x10008a sigsusp ksh 12133 158002 70468 0 3 0x98 kqread sshd-session 70468 414191 16695 0 3 0x92 kqread sshd-session 16695 131564 1 0 3 0x88 kqread sshd 98385 207412 13004 74 3 0x1100092 bpf pflogd 13004 339691 1 0 3 0x80 sbwait pflogd 2651 392427 65307 73 3 0x1100090 kqread syslogd 65307 297767 1 0 3 0x100082 sbwait syslogd 87002 209722 1 0 3 0x100080 kqread resolvd 75870 90249 62298 77 3 0x100092 kqread dhcpleased 5496 462150 62298 77 3 0x100092 kqread dhcpleased 62298 142894 1 0 3 0x80 kqread dhcpleased 72320 448217 0 0 3 0x14200 bored smr 60284 250030 0 0 3 0x14200 pgzero zerothread 34727 433284 0 0 3 0x14200 aiodoned aiodoned 40878 180210 0 0 3 0x14200 syncer update 25396 403754 0 0 3 0x14200 cleaner cleaner 69755 327532 0 0 3 0x14200 reaper reaper 54215 351336 0 0 3 0x14200 pgdaemon pagedaemon 83634 103741 0 0 3 0x14200 bored viomb 40268 417446 0 0 3 0x40014200 acpi0 acpi0 11360 173110 0 0 3 0x40014200 idle1 15598 267959 0 0 3 0x14200 bored softnet3 58271 394767 0 0 3 0x14200 bored softnet2 12891 489466 0 0 3 0x14200 bored softnet1 55342 108966 0 0 3 0x14200 bored softnet0 18103 254518 0 0 3 0x14200 bored systqmp 7844 295667 0 0 3 0x14200 bored systq 35917 37876 0 0 3 0x14200 tmoslp softclockmp 77680 409716 0 0 3 0x40014200 tmoslp softclock 15410 519926 0 0 3 0x40014200 idle0 1 231304 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 80380 (syz-executor) thread 0xffff8000371fc550 (304649) 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 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 yield+0x6a sys/kern/sched_bsd.c:320 #4 pool_get+0x242 sys/kern/subr_pool.c:589 #5 namei+0xdf sys/kern/vfs_lookup.c:145 #6 unp_connect+0x27d sys/kern/uipc_usrreq.c:868 #7 uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 #8 sosend+0xa40 #9 sendit+0x721 sys/kern/uipc_syscalls.c:786 #10 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 #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 exclusive rwlock sbufsnd r = 0 (0xffff800010fdb170) #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 66697 (syz-executor) thread 0xffff8000355a87c8 (212898) exclusive rwlock vmmaplk r = 0 (0xfffffd8069f6f658) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5255 #2 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1813 #3 uvm_fault_check+0x831 uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #3 uvm_fault_check+0x831 sys/uvm/uvm_fault.c:712 #4 uvm_fault+0xf5 sys/uvm/uvm_fault.c:600 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 Process 50150 (syz-executor) thread 0xffff80003099aa58 (2948) exclusive rrwlock inode r = 0 (0xfffffd806dea2808) #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 vn_write+0x18d sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x23c sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 61589 (syz-executor) thread 0xffff80003099b478 (467850) exclusive rrwlock inode r = 0 (0xfffffd806dd45d68) #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 vn_read+0x6c sys/kern/vfs_vnops.c:353 #6 dofilereadv+0x230 sys/kern/sys_generic.c:252 #7 sys_preadv+0xe3 sys/kern/vfs_syscalls.c:3322 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10228 11200K 11591K 166960K 14100 0 pcb 17 16K 17K 166960K 385 0 rtable 247 7K 8K 166960K 753 0 pf 39 18K 20K 166960K 117 0 ifaddr 45 8K 8K 166960K 98 0 ifgroup 60 2K 2K 166960K 131 0 sysctl 4 1K 1K 166960K 10 0 counters 66 36K 36K 166960K 118 0 ioctlops 0 0K 4K 166960K 1718 0 iov 0 0K 24K 166960K 79 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1490 94K 94K 166960K 3208 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 29 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 106 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 17 61K 89K 166960K 1976 0 sigio 0 0K 0K 166960K 94 0 proc 73 91K 128K 166960K 853 0 subproc 104 6K 6K 166960K 156 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 231 0 in_multi 98 7K 7K 166960K 221 0 ether_multi 1 0K 0K 166960K 11 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 729 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 7 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 242 73K 87K 166960K 20251 0 UVM aobj 50 6K 6K 166960K 61 0 pinsyscall 42 84K 102K 166960K 3216 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 125 0 NDP 13 0K 1K 166960K 65 0 temp 81 6828K 6908K 166960K 111075 0 kqueue 16 26K 30K 166960K 320 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 120 296 0 293 5 2 3 3 0 8 2 rtentry 112 217 0 104 4 0 4 4 0 8 0 unpcb 144 1398 0 1376 8 7 1 4 0 8 0 syncache 336 15 0 15 4 3 1 1 0 8 1 tcpcb 808 800 0 796 18 11 7 8 0 8 6 arp 120 40 0 18 1 0 1 1 0 8 0 inpcb 336 2506 0 2496 17 10 7 7 0 8 5 nd6 136 43 0 14 2 0 2 2 0 8 0 pkpcb 40 13 0 13 3 2 1 1 0 8 1 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1168 18 0 18 4 3 1 1 0 8 1 pffrag 232 14 0 10 2 1 1 1 0 482 0 pffrnode 88 14 0 10 2 1 1 1 0 8 0 pffrent 40 31 0 27 2 1 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 24 133 0 38 1 0 1 1 0 8 0 pfstkey 128 133 0 38 4 0 4 4 0 8 0 pfstate 376 133 0 38 10 0 10 10 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 888 0 412 35 5 30 31 0 8 0 art_table 32 891 0 412 4 0 4 4 0 8 0 art_node 16 208 0 113 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 3 1 1 0 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 102 0 92 1 0 1 1 0 8 0 shmpl 112 58 0 11 2 0 2 2 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 4933 0 3422 95 0 95 95 0 8 0 ffsino 272 4933 0 3422 101 0 101 101 0 8 0 nchpl 144 7773 0 7162 63 39 24 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 29399 0 29396 4 3 1 2 0 8 0 percpumem 16 73 0 26 1 0 1 1 0 8 0 kstatmem 264 78 0 52 2 0 2 2 0 8 0 scsiplug 72 8 0 8 4 3 1 1 0 8 1 scxspl 216 24360 0 24359 12 9 3 8 1 8 2 plimitpl 152 478 0 458 1 0 1 1 0 8 0 sigapl 424 2303 0 2232 11 2 9 9 0 8 0 futexpl 64 28607 0 28603 1 0 1 1 0 8 0 knotepl 120 493 0 0 15 0 15 15 0 8 0 kqueuepl 216 689 0 676 9 8 1 5 0 8 0 pipepl 320 367 0 340 8 0 8 8 0 8 5 fdescpl 496 2262 0 2231 6 1 5 5 0 8 0 filepl 152 16581 0 16327 28 12 16 17 0 8 4 lockfpl 104 981 0 976 2 1 1 2 0 8 0 lockfspl 48 323 0 318 1 0 1 1 0 8 0 sessionpl 144 40 0 31 1 0 1 1 0 8 0 pgrppl 48 75 0 58 1 0 1 1 0 8 0 ucredpl 104 3157 0 3143 1 0 1 1 0 8 0 zombiepl 144 2421 0 2421 1 0 1 1 0 8 1 processpl 1160 2303 0 2232 7 1 6 6 0 8 0 procpl 648 5376 0 5293 9 1 8 8 0 8 0 srpgc 96 16 0 16 3 3 0 1 0 8 0 sosppl 168 13 0 13 4 3 1 1 0 8 1 sockpl 664 4248 0 4214 18 9 9 10 0 8 5 mcl64k 65536 9 0 0 2 0 2 2 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 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 154 0 0 20 0 20 20 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 136 0 0 4 0 4 4 0 8 0 mbufpl 256 6757 0 0 421 0 421 421 0 8 0 bufpl 280 8221 0 2046 442 0 442 442 0 8 0 anonpl 24 327757 0 319573 78 28 50 60 0 185 0 amapchunkpl 152 67040 0 66480 47 13 34 34 0 158 7 amappl16 200 6886 0 6625 39 25 14 15 0 8 0 amappl15 192 18 0 18 1 1 0 1 0 8 0 amappl14 184 149 0 137 1 0 1 1 0 8 0 amappl13 176 114 0 114 2 1 1 1 0 8 1 amappl12 168 2981 0 2950 3 1 2 2 0 8 0 amappl11 160 54 0 39 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 198 0 197 2 1 1 1 0 8 0 amappl8 136 28 0 25 1 0 1 1 0 8 0 amappl7 128 134 0 120 1 0 1 1 0 8 0 amappl6 120 211 0 210 1 0 1 1 0 8 0 amappl5 112 169 0 157 1 0 1 1 0 8 0 amappl4 104 445 0 425 1 0 1 1 0 8 0 amappl3 96 12113 0 12017 4 1 3 4 0 8 0 amappl2 88 2668 0 2582 3 0 3 3 0 8 0 amappl1 80 16174 0 15612 16 2 14 14 0 8 0 amappl 88 19616 0 19436 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 3 0 3 2 2 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 255 0 255 3 3 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 60 0 11 1 0 1 1 0 8 0 uaddrrnd 24 2262 0 2231 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2262 0 2231 1 0 1 1 0 8 0 vmmpekpl 168 19601 0 19555 3 0 3 3 0 8 0 vmmpepl 168 144493 0 142381 102 7 95 95 0 357 0 vmsppl 448 2261 0 2231 6 2 4 5 0 8 0 rwobjpl 56 45290 0 38143 101 0 101 101 0 8 0 pdppl 4096 4531 0 4462 123 50 73 83 0 8 4 pvpl 32 17166 0 0 141 2 139 139 0 265 0 pmappl 248 2261 0 2231 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 867 0 92 23 0 23 23 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(fffffd806de81d68,9,0) at witness_checkorder+0x1047 rw_enter(fffffd806de81d58,1) at rw_enter+0x122 rrw_enter(fffffd806de81d58,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd806a93fa30,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd806a93fa30,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff80002a0ac988) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80002a0ac988) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fdafc8,fffffd8079732000,ffff8000371fc550) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff800010fdafc8,fffffd8060524100,fffffd8079732000,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff800010fdafc8,fffffd8079732000,ffff80002a0acc18,0,0,8) at sosend+0xa40 sendit(ffff8000371fc550,5,ffff80002a0acd90,8,ffff80002a0ace50) at sendit+0x721 sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff8000371fc550,ffff80002a0acf00,ffff80002a0ace50) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 syscall(ffff80002a0acf00) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a0acf00) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x64f7ac70d70, 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(ffffffff8359d330) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8359d330) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff8359d330,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 yield() at yield+0x6a sys/kern/sched_bsd.c:320 pool_get(ffffffff835923c0,1) at pool_get+0x242 sys/kern/subr_pool.c:589 namei(ffff8000357af2a0) at namei+0xdf sys/kern/vfs_lookup.c:145 domkdirat(ffff80003099d468,ffffff9c,7b5570d17d30,1ff) at domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 syscall(ffff8000357af480) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000357af480) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b5570d17dc0, count: -12