witness: lock order reversal: 1st 0xffff8000016a0750 sbufrcv (&so->so_rcv.sb_lock) 2nd 0xfffffd806c5f4560 inode (&ip->i_lock) lock order [1] sbufrcv (&so->so_rcv.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff833db3ac -> 0xffffffff8342823c is missing lock order [2] inode (&ip->i_lock) -> [1] sbufrcv (&so->so_rcv.sb_lock) #0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 #1 sblock+0xb6 sys/kern/uipc_socket2.c:536 #2 soreceive+0x27d sys/kern/uipc_socket.c:890 #3 fifo_read+0x117 sys/miscfs/fifofs/fifo_vnops.c:264 #4 VOP_READ+0x101 sys/kern/vfs_vops.c:227 #5 vn_rdwr+0x15b sys/kern/vfs_vnops.c:-1 #6 vndsetcred+0xa1 sys/dev/vnd.c:685 #7 vndioctl+0xdfc sys/dev/vnd.c:486 #8 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #9 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 #10 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #12 Xsyscall+0x128 Stopped at db_enter+0x25: 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+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(fffffd806c5f4560,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd806c5f4548,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd806c5f4548,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd806c60abe8,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 vn_lock(fffffd806c60abe8,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:576 vfs_getcwd_common(fffffd806c60abe8,fffffd806c60a7b0,0,0,200,0,6e1fed4e771f023b) at vfs_getcwd_common+0xd1 sys/kern/vfs_getcwd.c:287 vn_isunder(fffffd806c60abe8,fffffd806c60a7b0,ffff80003c412fb8) at vn_isunder+0x56 sys/kern/vfs_vnops.c:700 unp_externalize(fffffd806d6cbf00,33,0) at unp_externalize+0x26f sys/kern/uipc_usrreq.c:1090 soreceive(ffff8000016a0660,ffff80003c42bb38,ffff80003c42bae8,0,ffff80003c42bb20,ffff80003c42bcac,5f724a090221ed49) at soreceive+0xc24 sys/kern/uipc_socket.c:1029 recvit(ffff80003c412fb8,4,ffff80003c42bc80,0,ffff80003c42bd30) at recvit+0x40b sys/kern/uipc_syscalls.c:1078 sys_recvmsg(ffff80003c412fb8,ffff80003c42bde0,ffff80003c42bd30) at sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:878 syscall(ffff80003c42bde0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42bde0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x92f142c4e80, count: -14 ddb{1}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80003c42b5c0 rbx 0 rdx 0xffff8000015ef080 rcx 0xffff80003c412fb8 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80003c42b4a0 r9 0x8080808080808080 r10 0xfc275f7b5606842b r11 0xe23716b613027a9b r12 0xfffffd8004048880 r13 0xfffffd80048308a0 r14 0x3 r15 0xffffffff834b7145 substchar+0x6f84 rip 0xffffffff816be625 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c42b5b0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=198743 pid=82232 tcnt=2 stat=onproc flags process=1000000 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003bbc8fb0,0xffff80003c412568 process=0xffff80003bbc61d0 user=0xffff80003c426000, vmspace=0xfffffd806c708200 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 71142 135196 86410 0 2 0 syz-executor 71142 187744 86410 0 3 0x4000080 fsleep syz-executor 4389 472995 99088 0 2 0 syz-executor 44595 406908 31943 0 7 0 syz-executor 44595 315426 31943 0 2 0x4000000 syz-executor 82232 490275 64831 0 2 0x1000000 syz-executor *82232 198743 64831 0 7 0x5000000 syz-executor 43800 146965 52275 0 3 0x80 nanoslp syz-executor 43800 354602 52275 0 3 0x4000080 ttyretype syz-executor 43800 158565 52275 0 3 0x4000080 fsleep syz-executor 43800 491114 52275 0 3 0x4000080 fsleep syz-executor 79467 439808 2003 0 3 0x2 biowait syz-executor 86410 17636 2003 0 3 0x82 nanoslp syz-executor 99088 524071 2003 0 3 0x82 nanoslp syz-executor 64831 236763 2003 0 3 0x82 nanoslp syz-executor 52275 78170 2003 0 3 0x82 nanoslp syz-executor 31943 328575 2003 0 3 0x82 nanoslp syz-executor 31766 503150 2003 0 3 0x2 biowait syz-executor 36418 509801 2003 0 3 0x2 biowait syz-executor 2003 311482 44429 0 3 0x82 kqread syz-executor 44429 282429 63641 0 3 0x10008a sigsusp ksh 63641 176795 26795 0 3 0x98 kqread sshd-session 26795 313192 89417 0 3 0x92 kqread sshd-session 99282 70196 1 0 3 0x100083 ttyopn getty 89417 294594 1 0 3 0x88 kqread sshd 47329 166550 9410 74 3 0x1100092 bpf pflogd 9410 374100 1 0 3 0x80 sbwait pflogd 3046 309441 75506 73 3 0x1100090 kqread syslogd 75506 354163 1 0 3 0x100082 sbwait syslogd 16743 61068 1 0 3 0x100080 kqread resolvd 62570 384887 15143 77 3 0x100092 kqread dhcpleased 19203 93088 15143 77 3 0x100092 kqread dhcpleased 15143 216408 1 0 3 0x80 kqread dhcpleased 1415 357698 0 0 3 0x14200 bored smr 47194 504685 0 0 2 0x14200 zerothread 64558 304781 0 0 3 0x14200 aiodoned aiodoned 7120 273720 0 0 3 0x14200 syncer update 50379 41248 0 0 3 0x14200 cleaner cleaner 86756 460572 0 0 3 0x14200 reaper reaper 3358 418683 0 0 3 0x14200 pgdaemon pagedaemon 94313 237631 0 0 3 0x14200 bored viomb 1522 80692 0 0 3 0x40014200 acpi0 acpi0 17462 427685 0 0 3 0x40014200 idle1 24645 164810 0 0 3 0x14200 bored softnet1 51831 219160 0 0 2 0x14200 softnet0 71907 174854 0 0 3 0x14200 bored systqmp 39610 240401 0 0 3 0x14200 bored systq 87036 82819 0 0 3 0x14200 tmoslp softclockmp 41346 244547 0 0 3 0x40014200 tmoslp softclock 57786 108242 0 0 3 0x40014200 idle0 1 150948 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 82232 (syz-executor) thread 0xffff80003c412fb8 (198743) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83ab8580) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 unp_externalize+0x155 sys/kern/uipc_usrreq.c:-1 #2 soreceive+0xc24 sys/kern/uipc_socket.c:1029 #3 recvit+0x40b sys/kern/uipc_syscalls.c:1078 #4 sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:878 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 exclusive rwlock sbufrcv r = 0 (0xffff8000016a0750) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 sblock+0xb6 sys/kern/uipc_socket2.c:536 #3 soreceive+0x27d sys/kern/uipc_socket.c:890 #4 recvit+0x40b sys/kern/uipc_syscalls.c:1078 #5 sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:878 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 Process 79467 (syz-executor) thread 0xffff8000fffeea78 (439808) exclusive rrwlock inode r = 0 (0xfffffd806e6c3dc0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x98a sys/kern/vfs_lookup.c:567 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cc7ec48) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 31766 (syz-executor) thread 0xffff80002a233238 (503150) exclusive rrwlock inode r = 0 (0xfffffd806e6bf5b0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d541550) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3128 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 36418 (syz-executor) thread 0xffff8000ffffca68 (509801) exclusive rrwlock inode r = 0 (0xfffffd806e51a5a0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x98a sys/kern/vfs_lookup.c:567 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d541300) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11072 12153K 12354K 166960K 12768 0 pcb 17 13K 14K 166960K 118 0 rtable 223 7K 8K 166960K 401 0 pf 35 17K 19K 166960K 86 0 ifaddr 42 7K 8K 166960K 62 0 ifgroup 55 2K 2K 166960K 90 0 sysctl 3 1K 9K 166960K 8 0 counters 70 37K 38K 166960K 108 0 ioctlops 0 0K 4K 166960K 1609 0 iov 0 0K 12K 166960K 78 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1355 85K 86K 166960K 1665 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 48 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 89K 166960K 453 0 sigio 0 0K 0K 166960K 6 0 proc 72 115K 180K 166960K 587 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 137 0 in_multi 98 7K 7K 166960K 122 0 ether_multi 1 0K 0K 166960K 5 0 mrt 0 0K 0K 166960K 17 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 418 0 fusefs mount 1 32K 32K 166960K 1 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 216 150K 168K 166960K 6091 0 UVM aobj 13 2K 2K 166960K 14 0 pinsyscall 40 80K 100K 166960K 1610 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 14 0 NDP 12 0K 2K 166960K 40 0 temp 50 9077K 9142K 166960K 13889 0 kqueue 13 20K 28K 166960K 92 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 53 0 50 1 0 1 1 0 8 0 rtentry 176 120 0 22 6 0 6 6 0 8 0 unpcb 144 342 0 321 6 2 4 6 0 8 3 syncache 336 8 0 8 1 0 1 1 0 8 1 tcpcb 736 154 0 149 4 1 3 4 0 8 2 arp 136 19 0 3 1 0 1 1 0 8 0 inpcb 328 493 0 481 7 2 5 7 0 8 3 nd6 152 25 0 0 1 0 1 1 0 8 0 pkpcb 40 3 0 3 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 15 0 15 1 0 1 1 0 8 1 pppxif 1576 2 0 2 1 1 0 1 0 8 0 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 3 0 1 1 0 1 1 0 8 0 pfosfp 40 1428 0 1428 5 5 0 5 0 8 0 pfosfpen 112 1428 0 1428 21 6 15 21 0 8 15 pfsrclim 320 1 0 1 1 1 0 1 0 8 0 pfstitem 24 48 0 4 1 0 1 1 0 8 0 pfstkey 128 48 0 4 2 0 2 2 0 8 0 pfstate 448 48 0 4 5 0 5 5 0 8 0 pfrule 1360 26 0 20 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 543 0 83 31 0 31 31 0 8 0 art_table 40 545 0 83 5 0 5 5 0 8 0 art_node 32 120 0 32 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 3 1 0 1 1 0 8 0 semapl 112 13 0 3 1 0 1 1 0 8 0 shmpl 112 11 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2134 0 671 93 0 93 93 0 8 0 ffsino 296 2134 0 671 114 0 114 114 0 8 0 nchpl 144 2788 0 1090 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 0 1 1 0 8 1 vnodes 216 2423 0 0 135 0 135 135 0 8 0 namei 1024 9724 0 9723 2 1 1 2 0 8 0 percpumem 16 69 0 19 1 0 1 1 0 8 0 kstatmem 264 51 0 24 3 0 3 3 0 8 1 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 9026 0 9023 4 3 1 3 1 8 0 plimitpl 152 70 0 52 1 0 1 1 0 8 0 sigapl 424 769 0 724 7 1 6 7 0 8 0 knotepl 120 689 0 0 21 0 21 21 0 8 0 kqueuepl 224 173 0 164 5 4 1 5 0 8 0 pipepl 344 181 0 154 3 0 3 3 0 8 0 fdescpl 528 753 0 724 3 0 3 3 0 8 0 filepl 160 4482 0 4261 18 2 16 18 0 8 6 lockfpl 104 189 0 187 1 0 1 1 0 8 0 lockfspl 48 54 0 52 1 0 1 1 0 8 0 sessionpl 144 40 0 31 1 0 1 1 0 8 0 pgrppl 48 52 0 35 1 0 1 1 0 8 0 ucredpl 104 509 0 496 1 0 1 1 0 8 0 zombiepl 144 724 0 724 1 0 1 1 0 8 1 processpl 1232 769 0 724 5 0 5 5 0 8 0 procpl 664 1320 0 1269 6 0 6 6 0 8 0 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 752 904 0 868 24 15 9 24 0 8 5 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k128 9344 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 111 0 0 14 0 14 14 0 8 0 mcl2k 2048 22 0 0 3 0 3 3 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 194 0 0 13 0 13 13 0 8 0 bufpl 280 3008 0 107 208 0 208 208 0 8 0 anonpl 32 7621 0 0 62 0 62 62 0 246 0 amapchunkpl 152 18767 0 18272 28 2 26 28 0 158 5 amappl16 200 2741 0 2537 18 7 11 15 0 8 0 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 424 0 423 1 0 1 1 0 8 0 amappl13 176 124 0 112 1 0 1 1 0 8 0 amappl12 168 1093 0 1065 2 0 2 2 0 8 0 amappl11 160 9 0 8 1 0 1 1 0 8 0 amappl10 152 111 0 97 1 0 1 1 0 8 0 amappl9 144 267 0 267 1 1 0 1 0 8 0 amappl8 136 104 0 101 1 0 1 1 0 8 0 amappl7 128 148 0 135 1 0 1 1 0 8 0 amappl6 120 159 0 158 1 0 1 1 0 8 0 amappl5 112 113 0 103 1 0 1 1 0 8 0 amappl4 104 299 0 278 1 0 1 1 0 8 0 amappl3 96 3606 0 3508 4 0 4 4 0 8 1 amappl2 88 544 0 481 2 0 2 2 0 8 0 amappl1 80 11402 0 10808 17 0 17 17 0 8 3 amappl 88 5309 0 5163 5 0 5 5 0 92 1 uvmvnodes 80 110 0 0 3 0 3 3 0 8 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 128 254 0 254 2 1 1 1 0 8 1 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 13 0 1 1 0 1 1 0 8 0 uaddrrnd 24 753 0 724 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 753 0 724 1 0 1 1 0 8 0 vmmpekpl 168 8194 0 8154 2 0 2 2 0 8 0 vmmpepl 168 56353 0 54393 97 0 97 97 0 357 5 vmsppl 488 752 0 724 5 0 5 5 0 8 1 rwobjpl 80 18640 0 17435 27 0 27 27 0 8 0 pdppl 4096 1513 0 1448 107 36 71 83 0 8 6 pvpl 32 14845 0 0 122 2 120 121 0 265 0 pmappl 256 752 0 724 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 289 0 41 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff83899ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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(ffffffff83ab7d80) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83ab7d80) at __mp_lock+0x199 sys/kern/kern_lock.c:173 intr_handler(ffff80003c425ca0,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x70583a847eb0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(fffffd806c5f4560,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd806c5f4548,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd806c5f4548,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd806c60abe8,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 vn_lock(fffffd806c60abe8,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:576 vfs_getcwd_common(fffffd806c60abe8,fffffd806c60a7b0,0,0,200,0,6e1fed4e771f023b) at vfs_getcwd_common+0xd1 sys/kern/vfs_getcwd.c:287 vn_isunder(fffffd806c60abe8,fffffd806c60a7b0,ffff80003c412fb8) at vn_isunder+0x56 sys/kern/vfs_vnops.c:700 unp_externalize(fffffd806d6cbf00,33,0) at unp_externalize+0x26f sys/kern/uipc_usrreq.c:1090 soreceive(ffff8000016a0660,ffff80003c42bb38,ffff80003c42bae8,0,ffff80003c42bb20,ffff80003c42bcac,5f724a090221ed49) at soreceive+0xc24 sys/kern/uipc_socket.c:1029 recvit(ffff80003c412fb8,4,ffff80003c42bc80,0,ffff80003c42bd30) at recvit+0x40b sys/kern/uipc_syscalls.c:1078 sys_recvmsg(ffff80003c412fb8,ffff80003c42bde0,ffff80003c42bd30) at sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:878 syscall(ffff80003c42bde0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42bde0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x92f142c4e80, count: -14