witness: lock order reversal: 1st 0xffff800000e97410 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd8067486e68 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{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+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(fffffd8067486e68,9,0) at witness_checkorder+0xc05 rw_enter(fffffd8067486e58,1) at rw_enter+0xd1 rrw_enter(fffffd8067486e58,1) at rrw_enter+0x91 sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd80536246e0,2001) at VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 vn_lock(fffffd80536246e0,2001) at vn_lock+0x85 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff800035968a48) at vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 namei(ffff800035968a48) at namei+0x56a sys/kern/vfs_lookup.c:250 unp_connect(ffff800000e97268,fffffd806d3b6f00,ffff8000ffff79b8) at unp_connect+0x1ce sys/kern/uipc_usrreq.c:864 uipc_dgram_send(ffff800000e97268,fffffd806cfa9000,fffffd806d3b6f00,0) at uipc_dgram_send+0xd7 sys/kern/uipc_usrreq.c:599 sosend(ffff800000e97268,fffffd806d3b6f00,ffff800035968cd8,0,0,0) at sosend+0x7aa sendit(ffff8000ffff79b8,3,ffff800035968e50,0,ffff800035968f10) at sendit+0x54c sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff8000ffff79b8,ffff800035968fc0,ffff800035968f10) at sys_sendmsg+0x19b sys/kern/uipc_syscalls.c:604 syscall(ffff800035968fc0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff800035968fc0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x50cb91ff120, count: -15 ddb{1}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff8000359686a0 rbx 0xffffffff828e9404 pp_r600_decoded_lanes+0x2e88d rdx 0xffff800000ddfe00 rcx 0xffff8000ffff79b8 rax 0x3ffff acpi_pdirpa+0x2be70 r8 0xffff800035968580 r9 0x8080808080808080 r10 0xdf08203fb188a49a r11 0xab012045aa7535fe r12 0xfffffd8003b259c0 r13 0xfffffd800333ddc0 r14 0x3 r15 0xffffffff rip 0xffffffff81cae62c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800035968690 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.3) tid=451058 pid=82756 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=0xffff8000ffff7c48,0xffffffff82ea1428 process=0xffff8000373a8d90 user=0xffff800035964000, vmspace=0xfffffd806a64a018 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 82756 432848 73495 0 2 0x8000000 syz-executor.3 *82756 451058 73495 0 7 0xc000000 syz-executor.3 6762 393375 66123 0 7 0x8000000 syz-executor.2 6762 232980 66123 0 3 0xc000080 netacc syz-executor.2 37860 328400 34392 0 3 0x8000080 nanoslp syz-executor.6 37860 106203 34392 0 3 0xc000080 rest syz-executor.6 37860 495972 34392 0 3 0xc000080 fsleep syz-executor.6 83180 80151 60046 0 3 0x8000082 nanoslp syz-executor.1 44370 307211 60046 0 3 0x8000082 nanoslp syz-executor.0 97782 388454 60046 0 3 0x8000082 nanoslp syz-executor.5 39816 54212 60046 0 2 0x8000002 syz-executor.4 66123 14213 60046 0 3 0x8000082 nanoslp syz-executor.2 14193 205331 0 0 3 0x14200 acct acct 74480 459744 1 0 3 0x18100083 ttyin getty 34392 301319 60046 0 3 0x8000082 nanoslp syz-executor.6 73495 120430 60046 0 3 0x8000082 nanoslp syz-executor.3 52593 197660 0 0 3 0x14280 nfsidl nfsio 68911 121551 0 0 3 0x14280 nfsidl nfsio 11597 209916 0 0 3 0x14280 nfsidl nfsio 4700 390802 0 0 3 0x14280 nfsidl nfsio 50911 448353 0 0 3 0x14280 nfsidl nfsio 16417 477243 0 0 3 0x14280 nfsidl nfsio 37725 297086 0 0 3 0x14280 nfsidl nfsio 5972 355018 0 0 3 0x14280 nfsidl nfsio 22901 261784 0 0 3 0x14280 nfsidl nfsio 86369 150850 0 0 3 0x14280 nfsidl nfsio 11535 353934 0 0 3 0x14280 nfsidl nfsio 80629 302072 0 0 3 0x14280 nfsidl nfsio 53618 341789 0 0 3 0x14280 nfsidl nfsio 64831 442291 0 0 3 0x14280 nfsidl nfsio 909 80147 0 0 3 0x14280 nfsidl nfsio 76762 345415 0 0 3 0x14280 nfsidl nfsio 53702 445585 0 0 3 0x14280 nfsidl nfsio 39439 273907 0 0 3 0x14280 nfsidl nfsio 81343 265662 0 0 3 0x14280 nfsidl nfsio 74576 332081 0 0 3 0x14280 nfsidl nfsio 71237 220509 0 0 3 0x14200 bored sosplice 60046 439008 53198 0 3 0x1a000082 wait syz-fuzzer 60046 123979 53198 0 3 0x1e000082 nanoslp syz-fuzzer 60046 355460 53198 0 3 0x1e000082 kqread syz-fuzzer 60046 300407 53198 0 3 0x1e000082 wait syz-fuzzer 60046 11403 53198 0 3 0x1e000082 thrsleep syz-fuzzer 60046 86380 53198 0 3 0x1e000082 wait syz-fuzzer 60046 227055 53198 0 3 0x1e000082 wait syz-fuzzer 60046 439453 53198 0 3 0x1e000082 wait syz-fuzzer 60046 26027 53198 0 3 0x1e000082 thrsleep syz-fuzzer 60046 502689 53198 0 3 0x1e000002 biowait syz-fuzzer 60046 167833 53198 0 3 0x1e000082 thrsleep syz-fuzzer 60046 276120 53198 0 3 0x1e000082 thrsleep syz-fuzzer 60046 350856 53198 0 3 0x1e000082 thrsleep syz-fuzzer 60046 145183 53198 0 3 0x1e000082 wait syz-fuzzer 60046 274091 53198 0 3 0x1e000082 thrsleep syz-fuzzer 60046 310891 53198 0 3 0x1e000082 wait syz-fuzzer 53198 518731 11464 0 3 0x810008a sigsusp ksh 11464 468691 3092 0 3 0x1800009a kqread sshd 3092 461953 1 0 3 0x18000088 kqread sshd 9673 363956 68395 73 3 0x19100010 biowait syslogd 68395 141234 1 0 3 0x18100082 sbwait syslogd 7493 181799 1 0 3 0x18100080 kqread resolvd 47669 217054 60497 77 3 0x18100092 kqread dhcpleased 52584 258640 60497 77 3 0x18100092 kqread dhcpleased 60497 232030 1 0 3 0x18000080 kqread dhcpleased 70836 252172 0 0 3 0x14200 bored smr 78390 512022 0 0 2 0x14200 zerothread 34701 266493 0 0 3 0x14200 aiodoned aiodoned 56901 195040 0 0 3 0x14200 syncer update 77136 235648 0 0 3 0x14200 cleaner cleaner 51294 105175 0 0 3 0x14200 reaper reaper 48716 398684 0 0 3 0x14200 pgdaemon pagedaemon 71113 51149 0 0 3 0x14200 bored viomb 80146 12830 0 0 3 0x40014200 acpi0 acpi0 43372 46576 0 0 3 0x40014200 idle1 83139 11363 0 0 3 0x14200 bored softnet3 45261 282756 0 0 3 0x14200 bored softnet2 50781 464545 0 0 3 0x14200 bored softnet1 64911 131670 0 0 3 0x14200 bored softnet0 66827 500514 0 0 3 0x14200 bored systqmp 67213 95899 0 0 3 0x14200 bored systq 38296 85356 0 0 3 0x14200 tmoslp softclockmp 23983 99728 0 0 3 0x40014200 tmoslp softclock 17427 243541 0 0 3 0x40014200 idle0 1 174679 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 82756 (syz-executor.3) thread 0xffff8000ffff79b8 (451058) 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 (0xffff800000e97410) #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 60046 (syz-fuzzer) thread 0xffff8000ffff6a58 (502689) exclusive rrwlock inode r = 0 (0xfffffd806e1a3818) #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 vget+0x1fd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x1373 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566 #11 namei+0x56a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1856 #13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807c3b61a8) #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 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1856 #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 9673 (syslogd) thread 0xffff8000ffffdc40 (363956) exclusive rrwlock inode r = 0 (0xfffffd806e74c2c0) #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10209 6444K 7197K 166960K 15644 0 pcb 17 12K 13K 166960K 436 0 rtable 197 8K 9K 166960K 1639 0 pf 29 8K 10K 166960K 175 0 ifaddr 38 14K 16K 166960K 221 0 ifgroup 50 2K 2K 166960K 285 0 sysctl 4 1K 2K 166960K 8 0 counters 64 36K 37K 166960K 188 0 ioctlops 0 0K 4K 166960K 1635 0 iov 0 0K 20K 166960K 170 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1392 88K 88K 166960K 3760 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 16K 28K 166960K 77 0 VM map 2 1K 1K 166960K 2 0 sem 17 16K 16K 166960K 159 0 dirhash 12 2K 3K 166960K 96 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 85K 166960K 2656 0 sigio 0 0K 0K 166960K 42 0 proc 59 79K 115K 166960K 1591 0 subproc 91 5K 8K 166960K 585 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 355 0 in_multi 77 5K 7K 166960K 560 0 ether_multi 1 0K 0K 166960K 16 0 mrt 0 0K 0K 166960K 6 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 1155 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 286 72K 106K 166960K 23985 0 UVM aobj 71 7K 7K 166960K 74 0 pinsyscall 35 70K 100K 166960K 4693 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 152 0 NDP 11 0K 1K 166960K 158 0 temp 70 6807K 14744K 166960K 88716 0 kqueue 12 18K 31K 166960K 375 0 SYN cache 2 8K 16K 166960K 3 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 120 318 0 315 1 0 1 1 0 8 0 rtentry 112 564 0 479 5 1 4 4 0 8 0 unpcb 144 1950 0 1936 9 8 1 2 0 8 0 syncache 336 24 0 24 9 8 1 1 0 8 1 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 33 10 33 1 1 0 1 0 8 0 tcpcb 808 742 0 732 8 6 2 2 0 8 0 arp 120 106 0 92 1 0 1 1 0 8 0 inpcb 384 2597 0 2584 17 13 4 4 0 8 1 nd6 136 146 0 122 1 0 1 1 0 8 0 pkpcb 40 20 0 20 10 9 1 1 0 8 1 kcovpl 48 45 0 38 1 0 1 1 0 8 0 ppxss 1168 12 0 12 7 7 0 1 0 8 0 pffrag 232 13 0 12 2 1 1 1 0 482 0 pffrnode 88 13 0 12 2 1 1 1 0 8 0 pffrent 40 151 0 150 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 24 215 0 175 1 0 1 1 0 8 0 pfstkey 128 215 0 175 2 0 2 2 0 8 0 pfstate 376 215 0 174 7 2 5 5 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 1 2 0 2 2 0 8 1 art_heap4 256 2098 0 1723 48 20 28 30 0 8 2 art_table 32 2100 0 1724 4 0 4 4 0 8 0 art_node 16 559 0 483 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 6 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 153 0 138 1 0 1 1 0 8 0 shmpl 112 71 0 3 2 0 2 2 0 8 0 dirhash 1024 74 0 57 3 0 3 3 0 8 0 dino2pl 256 5459 0 3930 97 0 97 97 0 8 0 ffsino 272 5459 0 3930 103 0 103 103 0 8 0 nchpl 144 9379 0 7636 67 0 67 67 0 8 0 uvmvnodes 80 7345 0 0 150 0 150 150 0 8 0 vnodes 216 7345 0 0 409 0 409 409 0 8 0 namei 1024 34846 0 34845 6 5 1 2 0 8 0 percpumem 16 108 0 62 1 0 1 1 0 8 0 vcpupl 3904 5 0 0 1 0 1 1 0 8 0 vmpool 696 14 0 9 1 0 1 1 0 8 0 kstatmem 264 146 0 124 2 0 2 2 0 8 0 scsiplug 72 6 0 6 3 3 0 1 0 8 0 scxspl 216 63330 0 63328 22 19 3 8 1 8 2 plimitpl 152 475 0 461 1 0 1 1 0 8 0 sigapl 424 2918 0 2852 9 0 9 9 0 8 0 futexpl 64 41257 0 41256 7 6 1 1 0 8 0 knotepl 120 624 0 0 18 0 18 18 0 8 0 kqueuepl 216 802 0 793 3 2 1 2 0 8 0 pipepl 320 547 0 520 5 2 3 5 0 8 0 fdescpl 496 2875 0 2849 8 4 4 5 0 8 0 filepl 152 19042 0 18812 17 5 12 13 0 8 1 lockfpl 104 932 0 930 1 0 1 1 0 8 0 lockfspl 48 417 0 415 1 0 1 1 0 8 0 sessionpl 144 57 0 42 1 0 1 1 0 8 0 pgrppl 48 77 0 62 1 0 1 1 0 8 0 ucredpl 104 3023 0 3011 1 0 1 1 0 8 0 zombiepl 144 2855 0 2852 1 0 1 1 0 8 0 processpl 1144 2918 0 2852 6 0 6 6 0 8 0 procpl 656 5424 0 5339 9 0 9 9 0 8 0 srpgc 96 42 0 42 14 13 1 1 0 8 1 sosppl 168 16 0 16 7 7 0 1 0 8 0 sockpl 664 4908 0 4878 29 24 5 6 0 8 1 mcl64k 65536 14 0 0 2 0 2 2 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 429 0 0 54 0 54 54 0 8 0 mtagpl 96 31 0 0 1 0 1 1 0 8 0 mbufpl 256 585 0 0 29 0 29 29 0 8 0 bufpl 280 16211 0 6710 680 0 680 680 0 8 0 anonpl 24 539522 0 532867 141 62 79 99 0 186 8 amapchunkpl 152 79655 0 78932 69 27 42 51 0 158 8 amappl16 200 11935 0 11794 66 48 18 25 0 8 3 amappl15 192 14 0 13 1 0 1 1 0 8 0 amappl14 184 273 0 262 2 1 1 2 0 8 0 amappl13 176 13 0 13 2 2 0 1 0 8 0 amappl12 168 4052 0 4024 2 0 2 2 0 8 0 amappl11 160 102 0 85 1 0 1 1 0 8 0 amappl10 152 94 0 93 1 0 1 1 0 8 0 amappl9 144 230 0 230 3 3 0 1 0 8 0 amappl8 136 305 0 271 2 0 2 2 0 8 0 amappl7 128 57 0 44 1 0 1 1 0 8 0 amappl6 120 720 0 708 2 1 1 2 0 8 0 amappl5 112 302 0 289 1 0 1 1 0 8 0 amappl4 104 760 0 728 2 1 1 2 0 8 0 amappl3 96 14734 0 14647 3 0 3 3 0 8 0 amappl2 88 3430 0 3355 4 2 2 4 0 8 0 amappl1 80 19383 0 18901 23 11 12 22 0 8 0 amappl 88 22976 0 22776 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 73 0 3 2 0 2 2 0 8 0 uaddrrnd 24 2889 0 2858 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2889 0 2858 1 0 1 1 0 8 0 vmmpekpl 168 24790 0 24720 4 0 4 4 0 8 0 vmmpepl 168 199595 0 197756 160 63 97 117 0 357 2 vmsppl 440 2888 0 2858 4 0 4 4 0 8 0 rwobjpl 56 58541 0 50042 131 10 121 121 0 8 0 pdppl 4096 5785 0 5721 180 110 70 77 0 8 6 pvpl 32 47495 0 0 384 0 384 384 0 265 0 pmappl 248 2888 0 2858 7 4 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 554 0 158 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82c95ff0) 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 intr_handler(ffff800035978fb0,ffff800000069c00) at intr_handler+0xa4 sys/arch/amd64/amd64/intr.c:549 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __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 intr_handler(ffff800035979110,ffff80000067b200) at intr_handler+0xa4 sys/arch/amd64/amd64/intr.c:549 Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f __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 intr_handler(ffff800035979270,ffff80000006bc00) at intr_handler+0xa4 sys/arch/amd64/amd64/intr.c:549 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7a39c1930640, count: -12 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(fffffd8067486e68,9,0) at witness_checkorder+0xc05 rw_enter(fffffd8067486e58,1) at rw_enter+0xd1 rrw_enter(fffffd8067486e58,1) at rrw_enter+0x91 sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd80536246e0,2001) at VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 vn_lock(fffffd80536246e0,2001) at vn_lock+0x85 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff800035968a48) at vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 namei(ffff800035968a48) at namei+0x56a sys/kern/vfs_lookup.c:250 unp_connect(ffff800000e97268,fffffd806d3b6f00,ffff8000ffff79b8) at unp_connect+0x1ce sys/kern/uipc_usrreq.c:864 uipc_dgram_send(ffff800000e97268,fffffd806cfa9000,fffffd806d3b6f00,0) at uipc_dgram_send+0xd7 sys/kern/uipc_usrreq.c:599 sosend(ffff800000e97268,fffffd806d3b6f00,ffff800035968cd8,0,0,0) at sosend+0x7aa sendit(ffff8000ffff79b8,3,ffff800035968e50,0,ffff800035968f10) at sendit+0x54c sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff8000ffff79b8,ffff800035968fc0,ffff800035968f10) at sys_sendmsg+0x19b sys/kern/uipc_syscalls.c:604 syscall(ffff800035968fc0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff800035968fc0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x50cb91ff120, count: -15