witness: lock order reversal: 1st 0xffff800000e7e708 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd8078f3d918 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(fffffd8078f3d918,9,0) at witness_checkorder+0xc05 rw_enter(fffffd8078f3d908,1) at rw_enter+0xd1 rrw_enter(fffffd8078f3d908,1) at rrw_enter+0x91 sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd80586849a0,2001) at VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 vn_lock(fffffd80586849a0,2001) at vn_lock+0x85 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff80003738e6b8) at vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 namei(ffff80003738e6b8) at namei+0x56a sys/kern/vfs_lookup.c:250 unp_connect(ffff800000e7e560,fffffd806d3c5200,ffff8000ffff54a8) at unp_connect+0x1ce sys/kern/uipc_usrreq.c:864 uipc_dgram_send(ffff800000e7e560,fffffd806ebe4d00,fffffd806d3c5200,0) at uipc_dgram_send+0xd7 sys/kern/uipc_usrreq.c:599 sosend(ffff800000e7e560,fffffd806d3c5200,ffff80003738e948,0,0,0) at sosend+0x7aa sendit(ffff8000ffff54a8,4,ffff80003738eac0,0,ffff80003738eb80) at sendit+0x54c sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff8000ffff54a8,ffff80003738ec30,ffff80003738eb80) at sys_sendmsg+0x19b sys/kern/uipc_syscalls.c:604 syscall(ffff80003738ec30) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80003738ec30) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd5fe3fd48c0, count: -15 ddb{0}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff80003738e310 rbx 0xffffffff828e9404 pp_r600_decoded_lanes+0x2e88d rdx 0xffff800000e0fd00 rcx 0xffff8000ffff54a8 rax 0x3ffff acpi_pdirpa+0x2be70 r8 0xffff80003738e1f0 r9 0x8080808080808080 r10 0xd87952e5f5548098 r11 0x82be93ffe9fb97ff r12 0xfffffd8003b25c68 r13 0xfffffd800333ddc0 r14 0x3 r15 0xffffffff rip 0xffffffff81cae62c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80003738e300 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.6) tid=183334 pid=49644 tcnt=2 stat=onproc flags process=8000010 proc=4000000 runpri=84, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800031b527e8,0xffff8000ffff42c8 process=0xffff80002e0f6860 user=0xffff800037389000, vmspace=0xfffffd806a8d8380 estcpu=34, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 84638 504381 43692 0 2 0x8000000 syz-executor.7 84638 118737 43692 0 3 0xc000080 fsleep syz-executor.7 49644 326126 30705 60929 3 0x8000090 fsleep syz-executor.6 *49644 183334 30705 60929 7 0xc000010 syz-executor.6 57943 17310 20420 0 3 0xc000080 fsleep syz-executor.1 57943 74072 20420 0 3 0xc000000 biowait syz-executor.1 53252 405746 55505 0 7 0x8000000 syz-executor.0 53252 123784 55505 0 3 0xc000080 fsleep syz-executor.0 85 321532 70948 0 3 0x8000080 fsleep syz-executor.4 85 402291 70948 0 3 0xc000080 pipewr syz-executor.4 39385 108498 36738 0 3 0x8000080 fsleep syz-executor.2 39385 442981 36738 0 3 0xc000080 bell syz-executor.2 84637 230214 65037 0 3 0x8000080 fsleep syz-executor.5 84637 102820 65037 0 3 0xc000080 netcon syz-executor.5 36738 258146 43587 0 3 0x8000082 nanoslp syz-executor.2 55505 520983 43587 0 3 0x8000082 nanoslp syz-executor.0 30705 322076 43587 0 3 0x8000082 nanoslp syz-executor.6 99341 58606 0 0 3 0x14200 acct acct 49932 90068 0 0 3 0x14200 bored sosplice 43692 499128 43587 0 3 0x8000082 nanoslp syz-executor.7 2884 503412 43587 0 2 0x8000002 syz-executor.3 70948 400567 43587 0 3 0x8000082 nanoslp syz-executor.4 65037 475809 43587 0 3 0x8000082 nanoslp syz-executor.5 9303 386833 0 0 3 0x14280 nfsidl nfsio 47310 382165 0 0 3 0x14280 nfsidl nfsio 31550 26291 0 0 3 0x14280 nfsidl nfsio 34799 123529 0 0 3 0x14280 nfsidl nfsio 29104 129466 0 0 3 0x14280 nfsidl nfsio 17947 35299 0 0 3 0x14280 nfsidl nfsio 58320 156613 0 0 3 0x14280 nfsidl nfsio 43605 399721 0 0 3 0x14280 nfsidl nfsio 83616 375275 0 0 3 0x14280 nfsidl nfsio 79213 385830 0 0 3 0x14280 nfsidl nfsio 57255 490205 0 0 3 0x14280 nfsidl nfsio 35728 356523 0 0 3 0x14280 nfsidl nfsio 9330 259193 0 0 3 0x14280 nfsidl nfsio 74733 469119 0 0 3 0x14280 nfsidl nfsio 87596 393308 0 0 3 0x14280 nfsidl nfsio 90541 195307 0 0 3 0x14280 nfsidl nfsio 84980 421183 0 0 3 0x14280 nfsidl nfsio 86860 391830 0 0 3 0x14280 nfsidl nfsio 84045 166994 0 0 3 0x14280 nfsidl nfsio 94509 319490 0 0 3 0x14280 nfsidl nfsio 20420 173563 43587 0 3 0x8000082 nanoslp syz-executor.1 43587 282703 404 0 3 0x1a000082 wait syz-fuzzer 43587 141322 404 0 3 0x1e000082 nanoslp syz-fuzzer 43587 359866 404 0 3 0x1e000082 wait syz-fuzzer 43587 171190 404 0 3 0x1e000082 thrsleep syz-fuzzer 43587 318186 404 0 3 0x1e000082 thrsleep syz-fuzzer 43587 4163 404 0 3 0x1e000082 wait syz-fuzzer 43587 198188 404 0 3 0x1e000082 wait syz-fuzzer 43587 511637 404 0 3 0x1e000082 wait syz-fuzzer 43587 57557 404 0 3 0x1e000082 wait syz-fuzzer 43587 310822 404 0 3 0x1e000082 thrsleep syz-fuzzer 43587 504084 404 0 3 0x1e000082 thrsleep syz-fuzzer 43587 76913 404 0 3 0x1e000082 thrsleep syz-fuzzer 43587 133541 404 0 3 0x1e000082 wait syz-fuzzer 43587 409641 404 0 3 0x1e000082 wait syz-fuzzer 43587 282739 404 0 3 0x1e000082 thrsleep syz-fuzzer 43587 329671 404 0 3 0x1e000082 kqread syz-fuzzer 404 206399 23657 0 3 0x810008a sigsusp ksh 23657 436123 25350 0 3 0x1800009a kqread sshd 24311 409867 1 0 3 0x18100083 ttyin getty 25350 609 1 0 3 0x18000088 kqread sshd 17139 264928 79515 73 3 0x19100010 biowait syslogd 79515 363034 1 0 3 0x18100082 sbwait syslogd 91381 134258 1 0 3 0x18100080 kqread resolvd 84617 219246 47169 77 3 0x18100092 kqread dhcpleased 4494 432984 47169 77 3 0x18100092 kqread dhcpleased 47169 67673 1 0 3 0x18000080 kqread dhcpleased 38620 39013 0 0 3 0x14200 bored smr 78077 69545 0 0 2 0x14200 zerothread 75610 476611 0 0 3 0x14200 aiodoned aiodoned 74417 276089 0 0 3 0x14200 syncer update 51678 151270 0 0 3 0x14200 cleaner cleaner 81845 103672 0 0 3 0x14200 reaper reaper 92706 84288 0 0 3 0x14200 pgdaemon pagedaemon 3636 408486 0 0 3 0x14200 bored viomb 12795 97228 0 0 3 0x40014200 acpi0 acpi0 7831 73201 0 0 3 0x40014200 idle1 90000 431766 0 0 3 0x14200 bored softnet3 82953 290068 0 0 3 0x14200 bored softnet2 13608 343323 0 0 3 0x14200 bored softnet1 29114 500721 0 0 3 0x14200 bored softnet0 7770 320654 0 0 3 0x14200 bored systqmp 40209 482474 0 0 3 0x14200 bored systq 4409 361034 0 0 3 0x14200 tmoslp softclockmp 30452 497116 0 0 3 0x40014200 tmoslp softclock 34386 83498 0 0 3 0x40014200 idle0 1 403337 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 49644 (syz-executor.6) thread 0xffff8000ffff54a8 (183334) 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 (0xffff800000e7e708) #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 57943 (syz-executor.1) thread 0xffff8000ffff42b8 (74072) exclusive rrwlock inode r = 0 (0xfffffd8078f3d6f8) #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_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1728 #8 ufs_mknod+0x52 sys/ufs/ufs/ufs_vnops.c:167 #9 VOP_MKNOD+0xc3 sys/kern/vfs_vops.c:121 #10 domknodat+0x322 sys/kern/vfs_syscalls.c:1628 #11 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #11 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8078f3d808) #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 domknodat+0x95 sys/kern/vfs_syscalls.c:1580 #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 53252 (syz-executor.0) thread 0xffff80002a1ff4a0 (405746) shared rwlock vmmaplk r = 0 (0xfffffd806ef7f0f8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x3e sys/uvm/uvm_fault.c:672 #3 uvm_fault+0xf2 sys/uvm/uvm_fault.c:600 #4 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 Process 17139 (syslogd) thread 0xffff8000ffffdc40 (264928) exclusive rrwlock inode r = 0 (0xfffffd806e7483d0) #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 10201 6567K 7006K 166960K 12904 0 pcb 17 12K 12K 166960K 144 0 rtable 188 13K 14K 166960K 767 0 pf 32 9K 10K 166960K 108 0 ifaddr 40 14K 16K 166960K 116 0 ifgroup 57 2K 2K 166960K 162 0 sysctl 1 1K 2K 166960K 3 0 counters 66 36K 36K 166960K 124 0 ioctlops 0 0K 4K 166960K 1537 0 iov 0 0K 18K 166960K 48 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1409 89K 89K 166960K 2242 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 5K 13K 166960K 31 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 73 0 dirhash 12 2K 2K 166960K 42 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 93K 166960K 999 0 sigio 0 0K 0K 166960K 15 0 proc 58 79K 127K 166960K 847 0 subproc 104 6K 8K 166960K 261 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 112 0 in_multi 84 6K 7K 166960K 247 0 ether_multi 1 0K 0K 166960K 10 0 mrt 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 606 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 287 76K 103K 166960K 10591 0 UVM aobj 41 6K 6K 166960K 43 0 pinsyscall 37 74K 100K 166960K 2432 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 32 0 NDP 12 0K 1K 166960K 79 0 temp 74 6808K 6932K 166960K 42270 0 kqueue 12 18K 24K 166960K 149 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 120 129 0 126 1 0 1 1 0 8 0 rtentry 112 251 0 167 4 0 4 4 0 8 0 unpcb 144 661 0 646 1 0 1 1 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 16 0 16 1 1 0 1 0 8 0 tcpcb 808 229 0 222 3 1 2 2 0 8 1 arp 120 44 0 28 1 0 1 1 0 8 0 inpcb 384 861 0 847 6 3 3 3 0 8 1 nd6 136 63 0 41 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 kcovpl 48 20 0 12 1 0 1 1 0 8 0 ppxss 1168 10 0 10 3 2 1 1 0 8 1 pffrag 232 7 0 2 2 1 1 1 0 482 0 pffrnode 88 7 0 2 2 1 1 1 0 8 0 pffrent 40 52 0 47 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 79 0 44 1 0 1 1 0 8 0 pfstkey 128 79 0 44 2 0 2 2 0 8 0 pfstate 376 79 0 44 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 256 995 0 605 31 3 28 29 0 8 1 art_table 32 996 0 605 4 0 4 4 0 8 0 art_node 16 248 0 172 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 11 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 71 0 61 1 0 1 1 0 8 0 shmpl 112 40 0 2 2 0 2 2 0 8 0 dirhash 1024 38 0 21 3 0 3 3 0 8 0 dino2pl 256 2968 0 1448 96 0 96 96 0 8 0 ffsino 272 2968 0 1448 103 0 103 103 0 8 0 nchpl 144 4524 0 3928 67 40 27 67 0 8 0 uvmvnodes 80 3716 0 0 76 0 76 76 0 8 0 vnodes 216 3716 0 0 207 0 207 207 0 8 0 namei 1024 16209 0 16207 4 2 2 2 0 8 1 percpumem 16 76 0 29 1 0 1 1 0 8 0 vmpool 696 3 0 3 2 2 0 1 0 8 0 kstatmem 264 82 0 58 2 0 2 2 0 8 0 scsiplug 72 3 0 3 2 1 1 1 0 8 1 scxspl 216 30246 0 30244 12 11 1 8 1 8 0 plimitpl 152 190 0 174 1 0 1 1 0 8 0 sigapl 424 1304 0 1236 9 0 9 9 0 8 0 futexpl 64 14573 0 14566 1 0 1 1 0 8 0 knotepl 120 392 0 0 12 0 12 12 0 8 0 kqueuepl 216 291 0 283 1 0 1 1 0 8 0 pipepl 320 288 0 259 3 0 3 3 0 8 0 fdescpl 496 1264 0 1236 7 3 4 5 0 8 0 filepl 152 7628 0 7376 12 0 12 12 0 8 0 lockfpl 104 307 0 305 1 0 1 1 0 8 0 lockfspl 48 143 0 141 1 0 1 1 0 8 0 sessionpl 144 34 0 18 1 0 1 1 0 8 0 pgrppl 48 45 0 29 1 0 1 1 0 8 0 ucredpl 104 1127 0 1116 1 0 1 1 0 8 0 zombiepl 144 1236 0 1236 1 0 1 1 0 8 1 processpl 1144 1304 0 1236 6 0 6 6 0 8 0 procpl 656 2190 0 2100 9 0 9 9 0 8 0 srpgc 96 6 0 6 3 3 0 1 0 8 0 sosppl 168 2 0 2 2 2 0 1 0 8 0 sockpl 664 1664 0 1632 8 4 4 5 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 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 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 384 0 0 48 0 48 48 0 8 0 mtagpl 96 19 0 0 1 0 1 1 0 8 0 mbufpl 256 410 0 0 26 0 26 26 0 8 0 bufpl 280 8313 0 1676 475 0 475 475 0 8 0 anonpl 24 307173 0 300722 98 2 96 97 0 186 41 amapchunkpl 152 34785 0 34083 51 3 48 49 0 158 19 amappl16 200 7517 0 7364 31 10 21 21 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 189 0 176 2 1 1 2 0 8 0 amappl13 176 12 0 12 2 2 0 1 0 8 0 amappl12 168 2095 0 2065 2 0 2 2 0 8 0 amappl11 160 74 0 56 1 0 1 1 0 8 0 amappl10 152 65 0 62 1 0 1 1 0 8 0 amappl9 144 192 0 192 2 2 0 1 0 8 0 amappl8 136 257 0 221 2 0 2 2 0 8 0 amappl7 128 60 0 45 1 0 1 1 0 8 0 amappl6 120 496 0 481 2 1 1 2 0 8 0 amappl5 112 212 0 199 1 0 1 1 0 8 0 amappl4 104 618 0 587 2 1 1 2 0 8 0 amappl3 96 6987 0 6899 3 0 3 3 0 8 0 amappl2 88 1703 0 1631 3 1 2 3 0 8 0 amappl1 80 12933 0 12445 24 13 11 22 0 8 0 amappl 88 9913 0 9714 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 42 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1267 0 1239 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1267 0 1239 1 0 1 1 0 8 0 vmmpekpl 168 13596 0 13527 4 0 4 4 0 8 0 vmmpepl 168 100706 0 98790 126 29 97 115 0 357 4 vmsppl 440 1266 0 1239 4 0 4 4 0 8 0 rwobjpl 56 34164 0 29300 75 6 69 69 0 8 0 pdppl 4096 2541 0 2478 133 68 65 79 0 8 2 pvpl 32 45536 0 0 371 3 368 368 0 265 0 pmappl 248 1266 0 1239 4 2 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 459 0 79 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(fffffd8078f3d918,9,0) at witness_checkorder+0xc05 rw_enter(fffffd8078f3d908,1) at rw_enter+0xd1 rrw_enter(fffffd8078f3d908,1) at rrw_enter+0x91 sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd80586849a0,2001) at VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 vn_lock(fffffd80586849a0,2001) at vn_lock+0x85 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff80003738e6b8) at vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 namei(ffff80003738e6b8) at namei+0x56a sys/kern/vfs_lookup.c:250 unp_connect(ffff800000e7e560,fffffd806d3c5200,ffff8000ffff54a8) at unp_connect+0x1ce sys/kern/uipc_usrreq.c:864 uipc_dgram_send(ffff800000e7e560,fffffd806ebe4d00,fffffd806d3c5200,0) at uipc_dgram_send+0xd7 sys/kern/uipc_usrreq.c:599 sosend(ffff800000e7e560,fffffd806d3c5200,ffff80003738e948,0,0,0) at sosend+0x7aa sendit(ffff8000ffff54a8,4,ffff80003738eac0,0,ffff80003738eb80) at sendit+0x54c sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff8000ffff54a8,ffff80003738ec30,ffff80003738eb80) at sys_sendmsg+0x19b sys/kern/uipc_syscalls.c:604 syscall(ffff80003738ec30) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80003738ec30) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd5fe3fd48c0, 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+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82dea318) at __mp_lock+0x12e sys/kern/kern_lock.c:147 uvm_fault(fffffd806ef7f008,9218888d000,0,1) at uvm_fault+0x189 sys/uvm/uvm_fault.c:622 upageflttrap(ffff8000373a60b0,9218888d000) at upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 usertrap(ffff8000373a60b0) at usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7b6a04ffe840, count: -8