witness: lock order reversal: 1st 0xffff800010fdd910 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd806992a3d0 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff8292c146 -> 0xffffffff828d64a9 is missing lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock) #0 rw_enter+0xd1 #1 sblock+0x8a sys/kern/uipc_socket2.c:548 #2 soreceive+0x201 sys/kern/uipc_socket.c:876 #3 fifo_read+0xd2 sys/miscfs/fifofs/fifo_vnops.c:256 #4 VOP_READ+0xc3 sys/kern/vfs_vops.c:227 #5 vn_rdwr+0x10a #6 vndsetcred+0x86 sys/dev/vnd.c:684 #7 vndioctl+0xac1 sys/dev/vnd.c:485 #8 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 #9 vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 #10 sys_ioctl+0x4a9 #11 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #11 syscall+0x8cf 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+0xd1 #1 sblock+0x8a sys/kern/uipc_socket2.c:548 #2 sosplice+0x2a7 sys/kern/uipc_socket.c:1385 #3 sys_setsockopt+0x1d7 sys/kern/uipc_syscalls.c:1231 #4 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #4 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 Stopped at db_enter+0x1c: 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+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(fffffd806992a3d0,9,0) at witness_checkorder+0xc05 rw_enter(fffffd806992a3c0,1) at rw_enter+0xd1 rrw_enter(fffffd806992a3c0,1) at rrw_enter+0x91 sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd8073725050,2001) at VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 vn_lock(fffffd8073725050,2001) at vn_lock+0x85 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff80003272f6e8) at vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 namei(ffff80003272f6e8) at namei+0x56a sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fdd768,fffffd806ceeee00,ffff80002d722d00) at unp_connect+0x1ce sys/kern/uipc_usrreq.c:864 uipc_dgram_send(ffff800010fdd768,fffffd806eb63700,fffffd806ceeee00,0) at uipc_dgram_send+0xd7 sys/kern/uipc_usrreq.c:599 sosend(ffff800010fdd768,fffffd806ceeee00,ffff80003272f978,0,0,0) at sosend+0x7aa sendit(ffff80002d722d00,4,ffff80003272faf0,0,ffff80003272fbb0) at sendit+0x54c sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff80002d722d00,ffff80003272fc60,ffff80003272fbb0) at sys_sendmsg+0x19b sys/kern/uipc_syscalls.c:604 syscall(ffff80003272fc60) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80003272fc60) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x54ab30d4aa0, count: -15 ddb{0}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff80003272f340 rbx 0xffffffff828e9404 pp_r600_decoded_lanes+0x2e88d rdx 0xffff800000dfea00 rcx 0xffff80002d722d00 rax 0x3ffff acpi_pdirpa+0x2be70 r8 0xffff80003272f220 r9 0x8080808080808080 r10 0xbc9c63ffb680e05a r11 0x4674fef01ad347aa r12 0xfffffd8003b25e88 r13 0xfffffd800333ddc0 r14 0x3 r15 0xffffffff rip 0xffffffff81cae62c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80003272f330 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.7) tid=262781 pid=90889 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002d722f90,0xffff80002d722a80 process=0xffff80002d715680 user=0xffff80003272a000, vmspace=0xfffffd806ef2cc10 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 67278 183595 37797 0 2 0x8000000 syz-executor.1 90889 209326 67690 0 2 0x8000000 syz-executor.7 *90889 262781 67690 0 7 0xc000000 syz-executor.7 28148 86091 99800 0 7 0x8000000 syz-executor.5 28148 183892 99800 0 3 0xc000080 sbwait syz-executor.5 28148 84391 99800 0 3 0xc000080 sbwait syz-executor.5 28148 406569 99800 0 3 0xc000080 sbwait syz-executor.5 28148 159476 99800 0 3 0xc000080 piperd syz-executor.5 41319 144467 161 0 3 0x8000080 nanoslp syz-executor.6 41319 19586 161 0 3 0xc000080 kqsel syz-executor.6 41319 423100 161 0 3 0xc000080 fsleep syz-executor.6 21079 218252 434 0 3 0x8000090 nanoslp syz-executor.2 21079 190332 434 0 3 0xc000090 pipewr syz-executor.2 21079 379712 434 0 3 0xc000090 pipewr syz-executor.2 21079 79423 434 0 3 0xc000090 fsleep syz-executor.2 4274 300270 63935 0 3 0x8000082 nanoslp syz-executor.3 37779 382374 0 0 3 0x14200 acct acct 53035 365251 1 0 3 0x18100083 ttyin getty 31364 8677 63935 0 3 0x8000082 nanoslp syz-executor.0 99800 397450 63935 0 3 0x8000082 nanoslp syz-executor.5 67690 31666 63935 0 3 0x8000082 nanoslp syz-executor.7 434 95070 63935 0 3 0x8000082 nanoslp syz-executor.2 36033 309426 0 0 3 0x14280 nfsidl nfsio 99915 511371 0 0 3 0x14280 nfsidl nfsio 8489 304554 0 0 3 0x14280 nfsidl nfsio 61453 253222 0 0 3 0x14280 nfsidl nfsio 54172 436692 0 0 3 0x14280 nfsidl nfsio 22171 228853 0 0 3 0x14280 nfsidl nfsio 48662 416275 0 0 3 0x14280 nfsidl nfsio 1237 403505 0 0 3 0x14280 nfsidl nfsio 482 221104 0 0 3 0x14280 nfsidl nfsio 57166 17814 0 0 3 0x14280 nfsidl nfsio 23004 178449 0 0 3 0x14280 nfsidl nfsio 19133 168799 0 0 3 0x14280 nfsidl nfsio 28317 169089 0 0 3 0x14280 nfsidl nfsio 56553 380902 0 0 3 0x14280 nfsidl nfsio 24081 64970 0 0 3 0x14280 nfsidl nfsio 46137 511527 0 0 3 0x14280 nfsidl nfsio 57651 521687 0 0 3 0x14280 nfsidl nfsio 15872 444133 0 0 3 0x14280 nfsidl nfsio 42243 184124 0 0 3 0x14280 nfsidl nfsio 74446 79711 0 0 3 0x14280 nfsidl nfsio 37797 515467 63935 0 3 0x8000082 nanoslp syz-executor.1 161 398894 63935 0 3 0x8000082 nanoslp syz-executor.6 89649 465097 0 0 3 0x14200 bored sosplice 63935 117069 81539 0 3 0x1a000082 thrsleep syz-fuzzer 63935 93942 81539 0 3 0x1e000082 nanoslp syz-fuzzer 63935 305409 81539 0 3 0x1e000002 biowait syz-fuzzer 63935 276221 81539 0 3 0x1e000082 kqread syz-fuzzer 63935 237746 81539 0 3 0x1e000082 thrsleep syz-fuzzer 63935 36267 81539 0 3 0x1e000082 wait syz-fuzzer 63935 35878 81539 0 3 0x1e000082 thrsleep syz-fuzzer 63935 484773 81539 0 3 0x1e000082 wait syz-fuzzer 63935 318311 81539 0 3 0x1e000082 thrsleep syz-fuzzer 63935 48655 81539 0 3 0x1e000082 wait syz-fuzzer 63935 7725 81539 0 3 0x1e000082 thrsleep syz-fuzzer 63935 499921 81539 0 3 0x1e000082 thrsleep syz-fuzzer 63935 516309 81539 0 3 0x1e000082 wait syz-fuzzer 63935 19312 81539 0 3 0x1e000082 wait syz-fuzzer 63935 272198 81539 0 3 0x1e000082 wait syz-fuzzer 63935 433710 81539 0 3 0x1e000082 wait syz-fuzzer 81539 46106 28440 0 3 0x810008a sigsusp ksh 28440 355899 11798 0 3 0x1800009a kqread sshd 11798 439804 1 0 3 0x18000088 kqread sshd 98361 278648 68819 73 3 0x19100010 ffs_fsync syslogd 68819 428326 1 0 3 0x18100082 sbwait syslogd 66235 200674 1 0 3 0x18100080 kqread resolvd 66567 196862 5951 77 3 0x18100092 kqread dhcpleased 14390 200530 5951 77 3 0x18100092 kqread dhcpleased 5951 396608 1 0 3 0x18000080 kqread dhcpleased 48855 91143 0 0 3 0x14200 bored smr 5654 45512 0 0 3 0x14200 pgzero zerothread 41232 109693 0 0 3 0x14200 aiodoned aiodoned 91500 489922 0 0 3 0x14200 syncer update 26764 451733 0 0 3 0x14200 cleaner cleaner 27683 63497 0 0 3 0x14200 reaper reaper 72110 348469 0 0 3 0x14200 pgdaemon pagedaemon 72164 367115 0 0 3 0x14200 bored viomb 65194 213640 0 0 3 0x40014200 acpi0 acpi0 15900 481588 0 0 3 0x40014200 idle1 55643 145985 0 0 3 0x14200 bored softnet3 95967 340853 0 0 3 0x14200 bored softnet2 97895 370160 0 0 3 0x14200 bored softnet1 6488 423157 0 0 3 0x14200 bored softnet0 45145 352354 0 0 3 0x14200 bored systqmp 55982 253977 0 0 3 0x14200 bored systq 58732 25391 0 0 3 0x14200 tmoslp softclockmp 97996 490518 0 0 3 0x40014200 tmoslp softclock 36056 46936 0 0 3 0x40014200 idle0 1 298787 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 90889 (syz-executor.7) thread 0xffff80002d722d00 (262781) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82dea520) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 unp_connect+0x1c6 sys/kern/uipc_usrreq.c:864 #2 uipc_dgram_send+0xd7 sys/kern/uipc_usrreq.c:599 #3 sosend+0x7aa #4 sendit+0x54c sys/kern/uipc_syscalls.c:786 #5 sys_sendmsg+0x19b sys/kern/uipc_syscalls.c:604 #6 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #6 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff800010fdd910) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 sblock+0x8a sys/kern/uipc_socket2.c:548 #3 sosend+0x259 sys/kern/uipc_socket.c:610 #4 sendit+0x54c sys/kern/uipc_syscalls.c:786 #5 sys_sendmsg+0x19b sys/kern/uipc_syscalls.c:604 #6 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #6 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 63935 (syz-fuzzer) thread 0xffff8000ffffdc40 (305409) exclusive rrwlock inode r = 0 (0xfffffd806e20ba30) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x46 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xe6 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:394 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3104 #10 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #10 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807bef94d8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3089 #8 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #8 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 98361 (syslogd) thread 0xffff8000ffffd720 (278648) exclusive rrwlock inode r = 0 (0xfffffd806e7661b0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0xf1 sys/kern/vfs_syscalls.c:2931 #6 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #6 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10200 6511K 6964K 166960K 13333 0 pcb 17 13K 14K 166960K 270 0 rtable 236 8K 9K 166960K 1039 0 pf 32 9K 10K 166960K 113 0 ifaddr 44 15K 16K 166960K 147 0 ifgroup 57 2K 2K 166960K 171 0 sysctl 4 1K 1K 166960K 5 0 counters 66 36K 37K 166960K 134 0 ioctlops 0 0K 4K 166960K 1555 0 iov 1 1K 22K 166960K 75 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1410 89K 89K 166960K 2556 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 10K 14K 166960K 21 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 123 0 dirhash 12 2K 3K 166960K 42 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 97K 166960K 1335 0 sigio 0 0K 0K 166960K 15 0 proc 58 79K 152K 166960K 1041 0 subproc 91 5K 8K 166960K 351 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 159 0 in_multi 88 6K 7K 166960K 349 0 ether_multi 1 0K 0K 166960K 6 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 735 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 294 86K 103K 166960K 13385 0 UVM aobj 39 6K 6K 166960K 41 0 pinsyscall 36 72K 100K 166960K 2939 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 61 0 NDP 12 0K 1K 166960K 101 0 temp 72 6807K 6882K 166960K 61820 0 kqueue 13 20K 28K 166960K 202 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 120 148 0 144 1 0 1 1 0 8 0 rtentry 112 353 0 247 5 1 4 4 0 8 0 unpcb 144 983 0 960 4 2 2 2 0 8 0 syncache 336 8 0 8 3 3 0 1 0 8 0 tcpqe 32 2 0 2 2 2 0 1 0 8 0 tcpcb 808 283 0 276 3 2 1 2 0 8 0 arp 120 66 0 48 1 0 1 1 0 8 0 inpcb 384 1298 0 1287 9 7 2 8 0 8 0 nd6 136 88 0 65 1 0 1 1 0 8 0 pkpcb 40 11 0 11 3 2 1 1 0 8 1 kcovpl 48 27 0 20 1 0 1 1 0 8 0 ppxss 1168 12 0 12 3 2 1 1 0 8 1 pffrag 232 6 0 5 1 0 1 1 0 482 0 pffrnode 88 6 0 5 1 0 1 1 0 8 0 pffrent 40 140 0 139 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 24 105 0 60 1 0 1 1 0 8 0 pfstkey 128 105 0 60 3 0 3 3 0 8 0 pfstate 376 105 0 59 7 2 5 7 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 1347 0 924 34 4 30 30 0 8 1 art_table 32 1349 0 925 4 0 4 4 0 8 0 art_node 16 351 0 256 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 11 1 0 1 1 0 8 0 semapl 112 121 0 111 1 0 1 1 0 8 0 shmpl 112 38 0 2 2 0 2 2 0 8 0 dirhash 1024 37 0 20 3 0 3 3 0 8 0 dino2pl 256 3431 0 1916 96 0 96 96 0 8 0 ffsino 272 3431 0 1916 102 0 102 102 0 8 0 nchpl 144 5418 0 3682 67 0 67 67 0 8 0 uvmvnodes 80 4407 0 0 90 0 90 90 0 8 0 vnodes 216 4407 0 0 245 0 245 245 0 8 0 namei 1024 19841 0 19839 3 2 1 2 0 8 0 percpumem 16 81 0 34 1 0 1 1 0 8 0 vcpupl 3904 3 0 0 1 0 1 1 0 8 0 vmpool 696 7 0 4 1 0 1 1 0 8 0 kstatmem 264 92 0 68 2 0 2 2 0 8 0 scsiplug 72 3 0 3 2 1 1 1 0 8 1 scxspl 216 20300 0 20297 13 10 3 8 1 8 2 plimitpl 152 280 0 265 1 0 1 1 0 8 0 sigapl 424 1632 0 1565 8 0 8 8 0 8 0 futexpl 64 18628 0 18626 2 1 1 1 0 8 0 knotepl 120 384 0 0 11 0 11 11 0 8 0 kqueuepl 216 402 0 391 1 0 1 1 0 8 0 pipepl 320 338 0 311 3 0 3 3 0 8 0 fdescpl 496 1588 0 1561 6 1 5 5 0 8 0 filepl 152 10050 0 9801 13 1 12 13 0 8 0 lockfpl 104 423 0 421 1 0 1 1 0 8 0 lockfspl 48 188 0 186 1 0 1 1 0 8 0 sessionpl 144 42 0 27 1 0 1 1 0 8 0 pgrppl 48 55 0 40 1 0 1 1 0 8 0 ucredpl 104 1516 0 1504 1 0 1 1 0 8 0 zombiepl 144 1567 0 1565 1 0 1 1 0 8 0 processpl 1144 1632 0 1565 6 0 6 6 0 8 0 procpl 656 2838 0 2746 9 0 9 9 0 8 0 srpgc 96 10 0 10 2 2 0 1 0 8 0 sosppl 168 3 0 3 2 2 0 1 0 8 0 sockpl 664 2449 0 2411 11 6 5 9 0 8 1 mcl64k 65536 8 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 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 332 0 0 42 0 42 42 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 368 0 0 22 0 22 22 0 8 0 bufpl 280 7849 0 1594 447 0 447 447 0 8 0 anonpl 24 342355 0 335990 94 15 79 93 0 186 27 amapchunkpl 152 44152 0 43433 46 4 42 42 0 158 9 amappl16 200 8384 0 8241 38 19 19 21 0 8 8 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 225 0 212 2 1 1 2 0 8 0 amappl13 176 13 0 13 1 1 0 1 0 8 0 amappl12 168 2481 0 2452 2 0 2 2 0 8 0 amappl11 160 84 0 67 1 0 1 1 0 8 0 amappl10 152 70 0 67 1 0 1 1 0 8 0 amappl9 144 169 0 167 1 0 1 1 0 8 0 amappl8 136 234 0 194 2 0 2 2 0 8 0 amappl7 128 66 0 52 1 0 1 1 0 8 0 amappl6 120 564 0 549 2 0 2 2 0 8 0 amappl5 112 238 0 226 1 0 1 1 0 8 0 amappl4 104 667 0 632 2 0 2 2 0 8 0 amappl3 96 8611 0 8522 3 0 3 3 0 8 0 amappl2 88 2079 0 2009 5 3 2 5 0 8 0 amappl1 80 14306 0 13819 22 10 12 22 0 8 0 amappl 88 12639 0 12431 6 0 6 6 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 40 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1595 0 1565 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1595 0 1565 1 0 1 1 0 8 0 vmmpekpl 168 16001 0 15927 4 0 4 4 0 8 0 vmmpepl 168 120875 0 118972 122 23 99 116 0 357 5 vmsppl 440 1594 0 1565 5 0 5 5 0 8 0 rwobjpl 56 39427 0 33879 81 2 79 79 0 8 0 pdppl 4096 3197 0 3133 126 58 68 82 0 8 4 pvpl 32 49061 0 0 397 1 396 396 0 265 0 pmappl 248 1594 0 1565 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 446 0 74 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(fffffd806992a3d0,9,0) at witness_checkorder+0xc05 rw_enter(fffffd806992a3c0,1) at rw_enter+0xd1 rrw_enter(fffffd806992a3c0,1) at rrw_enter+0x91 sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd8073725050,2001) at VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 vn_lock(fffffd8073725050,2001) at vn_lock+0x85 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff80003272f6e8) at vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 namei(ffff80003272f6e8) at namei+0x56a sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fdd768,fffffd806ceeee00,ffff80002d722d00) at unp_connect+0x1ce sys/kern/uipc_usrreq.c:864 uipc_dgram_send(ffff800010fdd768,fffffd806eb63700,fffffd806ceeee00,0) at uipc_dgram_send+0xd7 sys/kern/uipc_usrreq.c:599 sosend(ffff800010fdd768,fffffd806ceeee00,ffff80003272f978,0,0,0) at sosend+0x7aa sendit(ffff80002d722d00,4,ffff80003272faf0,0,ffff80003272fbb0) at sendit+0x54c sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff80002d722d00,ffff80003272fc60,ffff80003272fbb0) at sys_sendmsg+0x19b sys/kern/uipc_syscalls.c:604 syscall(ffff80003272fc60) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80003272fc60) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x54ab30d4aa0, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82dea318) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82dea318) at __mp_lock+0x122 sys/kern/kern_lock.c:147 sys_mmap(ffff80002d70a2d0,ffff80002f96d620,ffff80002f96d570) at sys_mmap+0x4a1 sys/uvm/uvm_mmap.c:287 syscall(ffff80002f96d620) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002f96d620) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6faeee52e400, count: -7