witness: lock order reversal: 1st 0xffff8000012946e8 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd8066d3ac50 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff830beb84 -> 0xffffffff83071f68 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(fffffd8066d3ac50,9,0) at witness_checkorder+0x1047 rw_enter(fffffd8066d3ac40,1) at rw_enter+0x122 rrw_enter(fffffd8066d3ac40,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd8066c36030,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd8066c36030,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff800031d85298) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff800031d85298) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800001294540,fffffd806cd48d00,ffff80003399b980) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff800001294540,fffffd806d06db00,fffffd806cd48d00,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff800001294540,fffffd806cd48d00,ffff800031d85528,0,0,0) at sosend+0xa40 sendit(ffff80003399b980,6,ffff800031d856a0,0,ffff800031d85760) at sendit+0x721 sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff80003399b980,ffff800031d85810,ffff800031d85760) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 syscall(ffff800031d85810) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800031d85810) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xde63f89bef0, count: -15 ddb{0}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff800031d84ef0 rbx 0xfffffd80042c8790 rdx 0xffff80000128f840 rcx 0xffff80003399b980 rax 0x3ffff acpi_pdirpa+0x2be70 r8 0xffff800031d84dd0 r9 0x8080808080808080 r10 0xdadf28905bbd41c9 r11 0xb21bcac7b16544c r12 0 r13 0xfffffd8003adfe00 r14 0x3 r15 0xffffffff rip 0xffffffff812ecd15 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800031d84ee0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=297439 pid=88491 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=75, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003399b6f8,0xffff800032199c10 process=0xffff80002d773678 user=0xffff800031d80000, vmspace=0xfffffd806bc261e8 estcpu=25, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 59264 355775 0 0 3 0x14280 nfsidl nfsio 20603 206579 0 0 3 0x14280 nfsidl nfsio 16854 337434 0 0 3 0x14280 nfsidl nfsio 9328 122029 0 0 3 0x14280 nfsidl nfsio 59582 45536 0 0 3 0x14280 nfsidl nfsio 57126 506755 0 0 3 0x14280 nfsidl nfsio 40711 147145 0 0 3 0x14280 nfsidl nfsio 13866 428208 0 0 3 0x14280 nfsidl nfsio 86943 410582 0 0 3 0x14280 nfsidl nfsio 1326 17927 0 0 3 0x14280 nfsidl nfsio 39160 183851 0 0 3 0x14280 nfsidl nfsio 8363 244152 0 0 3 0x14280 nfsidl nfsio 24126 31057 0 0 3 0x14280 nfsidl nfsio 80088 176131 0 0 3 0x14280 nfsidl nfsio 34922 246538 0 0 3 0x14280 nfsidl nfsio 90962 113898 0 0 3 0x14280 nfsidl nfsio 6757 308157 0 0 3 0x14280 nfsidl nfsio 89757 111433 0 0 3 0x14280 nfsidl nfsio 35642 48265 0 0 3 0x14280 nfsidl nfsio 54103 133091 0 0 3 0x14280 nfsidl nfsio 38432 41333 52719 0 2 0 syz-executor 38432 71704 52719 0 3 0x4000080 lockf syz-executor 3598 337034 10682 0 2 0 syz-executor 3598 509277 10682 0 3 0x4000080 fsleep syz-executor 92194 327003 99018 0 2 0 syz-executor 92194 243752 99018 0 3 0x4000080 fsleep syz-executor 88491 423663 2376 0 2 0x10 syz-executor *88491 297439 2376 0 7 0x4000010 syz-executor 48569 437319 67977 0 2 0 syz-executor 48569 73612 67977 0 3 0x4000080 fsleep syz-executor 35369 211898 34113 0 2 0 syz-executor 35369 420018 34113 0 3 0x4000080 kqread syz-executor 35369 22283 34113 0 2 0x4000000 syz-executor 35369 507372 34113 0 3 0x4000080 fsleep syz-executor 96646 459409 0 0 3 0x14200 bored sosplice 34113 36301 43125 0 3 0x82 nanoslp syz-executor 67977 37511 43125 0 3 0x82 nanoslp syz-executor 10682 415910 43125 0 3 0x82 nanoslp syz-executor 2376 402363 43125 0 3 0x82 nanoslp syz-executor 52719 93525 43125 0 3 0x82 nanoslp syz-executor 49808 203937 43125 0 3 0x2 biowait syz-executor 99018 364489 43125 0 3 0x82 nanoslp syz-executor 28171 283088 43125 0 3 0x2 getblk syz-executor 43125 48765 92181 0 3 0x82 kqread syz-executor 92181 389234 63944 0 3 0x10008a sigsusp ksh 63944 378473 47766 0 3 0x98 kqread sshd-session 47766 341926 57309 0 3 0x92 kqread sshd-session 88599 215611 1 0 3 0x100083 ttyin getty 57309 220269 1 0 3 0x88 kqread sshd 66303 297519 92879 74 3 0x1100092 bpf pflogd 92879 500697 1 0 3 0x80 sbwait pflogd 54823 421321 19638 73 3 0x1100090 kqread syslogd 19638 374132 1 0 3 0x100082 sbwait syslogd 42605 115378 1 0 3 0x100080 kqread resolvd 47767 456305 60673 77 3 0x100092 kqread dhcpleased 80073 496483 60673 77 3 0x100092 kqread dhcpleased 60673 449664 1 0 3 0x80 kqread dhcpleased 57518 89817 0 0 3 0x14200 bored smr 42645 359468 0 0 2 0x14200 zerothread 89882 392296 0 0 3 0x14200 aiodoned aiodoned 82000 329990 0 0 3 0x14200 syncer update 88409 478564 0 0 3 0x14200 cleaner cleaner 37809 463254 0 0 3 0x14200 reaper reaper 73531 223179 0 0 3 0x14200 pgdaemon pagedaemon 56738 33809 0 0 3 0x14200 bored viomb 42305 503726 0 0 3 0x40014200 acpi0 acpi0 49549 39184 0 0 7 0x40014200 idle1 58378 321321 0 0 3 0x14200 bored softnet3 83417 438570 0 0 3 0x14200 bored softnet2 13455 414210 0 0 3 0x14200 bored softnet1 62500 185138 0 0 3 0x14200 bored softnet0 50287 398186 0 0 3 0x14200 bored systqmp 37374 307942 0 0 3 0x14200 bored systq 77078 95595 0 0 3 0x14200 tmoslp softclockmp 54769 395572 0 0 3 0x40014200 tmoslp softclock 2090 324242 0 0 3 0x40014200 idle0 1 303753 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 88491 (syz-executor) thread 0xffff80003399b980 (297439) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff836258d8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 unp_connect+0x26c sys/kern/uipc_usrreq.c:868 #2 uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 #3 sosend+0xa40 #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 exclusive rwlock sbufsnd r = 0 (0xffff8000012946e8) #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 49808 (syz-executor) thread 0xffff8000ffff7460 (203937) exclusive rrwlock inode r = 0 (0xfffffd8066d3ae70) #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 vget+0x2bd sys/kern/vfs_subr.c:678 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #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:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cd72b48) #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 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:1852 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 28171 (syz-executor) thread 0xffff800029fd8cb0 (283088) exclusive rrwlock inode r = 0 (0xfffffd8066d3a5f0) #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 vget+0x2bd sys/kern/vfs_subr.c:678 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #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:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cd722c8) #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 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:1852 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10196 11180K 11437K 166960K 11498 0 pcb 17 12K 12K 166960K 39 0 rtable 197 6K 6K 166960K 372 0 pf 32 17K 18K 166960K 57 0 ifaddr 38 6K 7K 166960K 53 0 ifgroup 51 2K 2K 166960K 69 0 counters 62 36K 36K 166960K 76 0 ioctlops 0 0K 4K 166960K 1485 0 iov 0 0K 12K 166960K 4 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1368 86K 86K 166960K 1483 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 6 0K 0K 166960K 7 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 16 57K 97K 166960K 312 0 sigio 0 0K 0K 166960K 4 0 proc 73 103K 128K 166960K 542 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 22 0 in_multi 85 6K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 2 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 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 378 0 fusefs mount 1 32K 32K 166960K 1 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 223 72K 73K 166960K 4489 0 UVM aobj 9 4K 4K 166960K 9 0 pinsyscall 41 82K 105K 166960K 1381 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 4 0 NDP 11 0K 2K 166960K 34 0 temp 38 6815K 6879K 166960K 4681 0 kqueue 13 20K 24K 166960K 45 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 46 0 43 1 0 1 1 0 8 0 rtentry 112 113 0 23 4 0 4 4 0 8 0 unpcb 144 95 0 75 2 0 2 2 0 8 1 syncache 336 3 0 3 2 2 0 1 0 8 0 tcpcb 808 111 0 106 7 0 7 7 0 8 6 arp 120 18 0 2 1 0 1 1 0 8 0 inpcb 336 257 0 245 7 0 7 7 0 8 5 nd6 136 25 0 3 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 5 0 5 1 0 1 1 0 8 1 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 2 0 1 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 30 0 0 1 0 1 1 0 8 0 pfstkey 128 30 0 0 1 0 1 1 0 8 0 pfstate 376 30 0 0 3 0 3 3 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 460 0 85 29 0 29 29 0 8 2 art_table 32 462 0 85 4 0 4 4 0 8 0 art_node 16 112 0 31 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 4 0 0 1 0 1 1 0 8 0 shmpl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1824 0 320 95 0 95 95 0 8 0 ffsino 272 1824 0 320 101 0 101 101 0 8 0 nchpl 144 2256 0 575 63 0 63 63 0 8 0 uvmvnodes 80 2007 0 0 41 0 41 41 0 8 0 vnodes 216 2007 0 0 112 0 112 112 0 8 0 namei 1024 6821 0 6820 2 0 2 2 0 8 1 percpumem 16 52 0 7 1 0 1 1 0 8 0 kstatmem 264 36 0 14 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 6849 0 6848 11 3 8 8 1 8 7 plimitpl 152 47 0 29 1 0 1 1 0 8 0 sigapl 424 631 0 562 9 1 8 8 0 8 0 futexpl 64 2327 0 2323 1 0 1 1 0 8 0 knotepl 120 315 0 0 10 0 10 10 0 8 0 kqueuepl 216 61 0 50 1 0 1 1 0 8 0 pipepl 320 113 0 85 3 0 3 3 0 8 0 fdescpl 496 592 0 562 6 0 6 6 0 8 2 filepl 152 2251 0 1989 12 0 12 12 0 8 1 lockfpl 104 42 0 38 1 0 1 1 0 8 0 lockfspl 48 17 0 14 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 31 0 14 1 0 1 1 0 8 0 ucredpl 104 203 0 189 1 0 1 1 0 8 0 zombiepl 144 562 0 562 1 0 1 1 0 8 1 processpl 1160 631 0 562 6 0 6 6 0 8 0 procpl 648 885 0 808 8 1 7 7 0 8 0 sosppl 168 2 0 1 1 0 1 1 0 8 0 sockpl 664 400 0 365 8 0 8 8 0 8 5 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 140 0 0 18 0 18 18 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 143 0 0 9 0 9 9 0 8 0 bufpl 280 2487 0 102 171 0 171 171 0 8 0 anonpl 24 159369 0 156019 25 3 22 24 0 185 0 amapchunkpl 152 14658 0 14198 22 0 22 22 0 158 2 amappl16 200 4002 0 3981 5 3 2 5 0 8 0 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 113 0 101 1 0 1 1 0 8 0 amappl13 176 28 0 28 1 1 0 1 0 8 0 amappl12 168 1233 0 1203 4 2 2 3 0 8 0 amappl11 160 59 0 45 1 0 1 1 0 8 0 amappl10 152 9 0 9 2 2 0 1 0 8 0 amappl9 144 150 0 150 1 1 0 1 0 8 0 amappl8 136 20 0 18 1 0 1 1 0 8 0 amappl7 128 104 0 92 1 0 1 1 0 8 0 amappl6 120 160 0 159 1 0 1 1 0 8 0 amappl5 112 140 0 127 1 0 1 1 0 8 0 amappl4 104 302 0 286 1 0 1 1 0 8 0 amappl3 96 2639 0 2550 3 0 3 3 0 8 0 amappl2 88 860 0 776 2 0 2 2 0 8 0 amappl1 80 7969 0 7413 14 1 13 13 0 8 1 amappl 88 4126 0 3964 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 8 0 0 1 0 1 1 0 8 0 uaddrrnd 24 592 0 562 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 592 0 562 1 0 1 1 0 8 0 vmmpekpl 168 6061 0 6027 2 0 2 2 0 8 0 vmmpepl 168 44043 0 42265 84 0 84 84 0 357 1 vmsppl 448 591 0 562 6 1 5 5 0 8 1 rwobjpl 56 18224 0 15308 42 0 42 42 0 8 0 pdppl 4096 1191 0 1124 99 28 71 87 0 8 4 pvpl 32 10695 0 0 87 0 87 87 0 265 0 pmappl 248 591 0 562 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 391 0 33 11 0 11 11 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(fffffd8066d3ac50,9,0) at witness_checkorder+0x1047 rw_enter(fffffd8066d3ac40,1) at rw_enter+0x122 rrw_enter(fffffd8066d3ac40,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd8066c36030,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd8066c36030,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff800031d85298) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff800031d85298) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800001294540,fffffd806cd48d00,ffff80003399b980) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff800001294540,fffffd806d06db00,fffffd806cd48d00,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff800001294540,fffffd806cd48d00,ffff800031d85528,0,0,0) at sosend+0xa40 sendit(ffff80003399b980,6,ffff800031d856a0,0,ffff800031d85760) at sendit+0x721 sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff80003399b980,ffff800031d85810,ffff800031d85760) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 syscall(ffff800031d85810) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800031d85810) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xde63f89bef0, 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 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218 sched_idle(ffff800029b7bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -5