panic: kernel diagnostic assertion "vp->v_usecount == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/vfs_subr.c", line 639 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 90959 50821 0 0x8000000 0x4000000 0K syz-executor 95426 41612 0 0x8000002 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830d879b) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8308cc41,ffffffff830a7f75,27f,ffffffff83024d44) at __assert+0x29 vdoom(fffffd8068f60450) at vdoom+0x105 sys/kern/vfs_subr.c:641 ufs_inactive(ffff8000321e48e8) at ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 VOP_INACTIVE(fffffd8068f60450,ffff8000ffff7bf8) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vclean(fffffd8068f60450,8,ffff8000ffff7bf8) at vclean+0x234 sys/kern/vfs_subr.c:1107 vgonel(fffffd8068f60450,ffff8000ffff7bf8) at vgonel+0xec sys/kern/vfs_subr.c:1197 vop_generic_revoke(ffff8000321e4a78) at vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 VOP_REVOKE(fffffd805b082710,1) at VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 ptmioctl(5100,40287401,ffff8000321e4f40,3,ffff8000ffff7bf8) at ptmioctl+0x832 sys/kern/tty_pty.c:1172 VOP_IOCTL(fffffd806ddf4440,40287401,ffff8000321e4f40,3,fffffd807f7d3750,ffff8000ffff7bf8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd807129ee58,40287401,ffff8000321e4f40,ffff8000ffff7bf8) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffff7bf8,ffff8000321e5120,ffff8000321e5070) at sys_ioctl+0x67c end trace frame: 0xffff8000321e5110, count: 0 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: kernel diagnostic assertion "vp->v_usecount == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/vfs_subr.c", line 639 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830d879b) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8308cc41,ffffffff830a7f75,27f,ffffffff83024d44) at __assert+0x29 vdoom(fffffd8068f60450) at vdoom+0x105 sys/kern/vfs_subr.c:641 ufs_inactive(ffff8000321e48e8) at ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 VOP_INACTIVE(fffffd8068f60450,ffff8000ffff7bf8) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vclean(fffffd8068f60450,8,ffff8000ffff7bf8) at vclean+0x234 sys/kern/vfs_subr.c:1107 vgonel(fffffd8068f60450,ffff8000ffff7bf8) at vgonel+0xec sys/kern/vfs_subr.c:1197 vop_generic_revoke(ffff8000321e4a78) at vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 VOP_REVOKE(fffffd805b082710,1) at VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 ptmioctl(5100,40287401,ffff8000321e4f40,3,ffff8000ffff7bf8) at ptmioctl+0x832 sys/kern/tty_pty.c:1172 VOP_IOCTL(fffffd806ddf4440,40287401,ffff8000321e4f40,3,fffffd807f7d3750,ffff8000ffff7bf8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd807129ee58,40287401,ffff8000321e4f40,ffff8000ffff7bf8) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffff7bf8,ffff8000321e5120,ffff8000321e5070) at sys_ioctl+0x67c syscall(ffff8000321e5120) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000321e5120) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xac526b5d770, count: -16 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000321e4770 rbx 0xffffffff834a4d87 cpu_info_full_primary+0x2d87 rdx 0xffff8000011b8e80 rcx 0xffff8000ffff7bf8 rax 0xffffffff834a3ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x370e42f6663a12c1 r11 0x4b3d008c9f30954b r12 0xffffffff834a4b88 cpu_info_full_primary+0x2b88 r13 0 r14 0 r15 0x1 rip 0xffffffff82d4df45 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000321e4760 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=90959 pid=50821 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002f18ca58,0xffff8000ffff62b8 process=0xffff800035dad6a0 user=0xffff8000321e0000, vmspace=0xfffffd805d0778b0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 93429 84880 98186 0 2 0x8000000 syz-executor 93429 200688 98186 0 2 0xc000000 syz-executor 50821 64288 2189 0 2 0x8000000 syz-executor *50821 90959 2189 0 7 0xc000000 syz-executor 43699 340398 57175 0 3 0x8000080 nanoslp syz-executor 43699 138310 57175 0 3 0xc000080 sbwait syz-executor 43699 151582 57175 0 3 0xc000080 fsleep syz-executor 43699 104367 57175 0 3 0xc000080 fsleep syz-executor 41612 95426 29907 0 7 0x8000002 syz-executor 57175 293764 29907 0 3 0x8000082 nanoslp syz-executor 27305 38367 29907 0 3 0x8000082 nanoslp syz-executor 56574 332931 29907 0 3 0x8000002 biowait syz-executor 73260 375990 29907 0 3 0x8000082 nanoslp syz-executor 98186 377721 29907 0 3 0x8000082 nanoslp syz-executor 2189 38692 29907 0 3 0x8000082 nanoslp syz-executor 11429 312765 0 0 3 0x14200 bored sosplice 29907 1735 6101 0 3 0x8000082 wait syz-executor 6101 357754 24560 0 3 0x810008a sigsusp ksh 24560 173468 4646 0 3 0x18000098 kqread sshd-session 4646 59179 79526 0 3 0x18000092 kqread sshd-session 88328 79453 1 0 3 0x18100083 ttyin getty 79526 144514 1 0 3 0x18000088 kqread sshd 58049 445024 81324 74 3 0x19100092 bpf pflogd 81324 235498 1 0 3 0x18000080 sbwait pflogd 59667 66947 32993 73 3 0x19100090 kqread syslogd 32993 289811 1 0 3 0x18100082 sbwait syslogd 65186 100555 1 0 3 0x18100080 kqread resolvd 8877 432248 97041 77 3 0x18100092 kqread dhcpleased 21558 311362 97041 77 3 0x18100092 kqread dhcpleased 97041 99041 1 0 3 0x18000080 kqread dhcpleased 3521 279454 0 0 3 0x14200 bored smr 90476 413540 0 0 2 0x14200 zerothread 48142 93552 0 0 3 0x14200 aiodoned aiodoned 33709 6371 0 0 3 0x14200 syncer update 86310 512893 0 0 3 0x14200 cleaner cleaner 72310 485399 0 0 3 0x14200 reaper reaper 76573 2974 0 0 3 0x14200 pgdaemon pagedaemon 34765 210663 0 0 3 0x14200 bored viomb 53294 472295 0 0 3 0x40014200 acpi0 acpi0 2969 291217 0 0 3 0x40014200 idle1 29305 482569 0 0 3 0x14200 bored softnet3 85262 75276 0 0 3 0x14200 bored softnet2 92578 63095 0 0 3 0x14200 bored softnet1 28064 304149 0 0 3 0x14200 bored softnet0 36060 363139 0 0 3 0x14200 bored systqmp 16271 98524 0 0 3 0x14200 bored systq 75756 140879 0 0 3 0x14200 tmoslp softclockmp 19476 227542 0 0 3 0x40014200 tmoslp softclock 3476 368197 0 0 3 0x40014200 idle0 1 249117 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/vfs_subr.c:119 r = 0 (0xffffffff8341ff18) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 vdoom+0x2b sys/kern/vfs_subr.c:639 #4 ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 #5 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 #6 vclean+0x234 sys/kern/vfs_subr.c:1107 #7 vgonel+0xec sys/kern/vfs_subr.c:1197 #8 vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 #9 VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 #10 ptmioctl+0x832 sys/kern/tty_pty.c:1172 #11 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #12 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #13 sys_ioctl+0x67c #14 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #14 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #15 Xsyscall+0x128 Process 50821 (syz-executor) thread 0xffff8000ffff7bf8 (90959) exclusive rrwlock inode r = 0 (0xfffffd80799c8708) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 vclean+0x176 sys/kern/vfs_subr.c:1081 #5 vgonel+0xec sys/kern/vfs_subr.c:1197 #6 vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 #7 VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 #8 ptmioctl+0x832 sys/kern/tty_pty.c:1172 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #11 sys_ioctl+0x67c #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8355d7e8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x229 sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #6 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #7 vclean+0x176 sys/kern/vfs_subr.c:1081 #8 vgonel+0xec sys/kern/vfs_subr.c:1197 #9 vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 #10 VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 #11 ptmioctl+0x832 sys/kern/tty_pty.c:1172 #12 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #13 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #14 sys_ioctl+0x67c #15 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #15 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #16 Xsyscall+0x128 exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/vfs_subr.c:119 r = 0 (0xffffffff8341ff18) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 vdoom+0x2b sys/kern/vfs_subr.c:639 #4 ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 #5 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 #6 vclean+0x234 sys/kern/vfs_subr.c:1107 #7 vgonel+0xec sys/kern/vfs_subr.c:1197 #8 vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 #9 VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 #10 ptmioctl+0x832 sys/kern/tty_pty.c:1172 #11 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #12 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #13 sys_ioctl+0x67c #14 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #14 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #15 Xsyscall+0x128 Process 56574 (syz-executor) thread 0xffff8000ffff67b8 (332931) exclusive rrwlock inode r = 0 (0xfffffd806de364d8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:120 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3100 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806df8a818) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3085 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [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 10214 10315K 10611K 166960K 14671 0 pcb 17 14K 16K 166960K 527 0 rtable 221 6K 7K 166960K 2039 0 pf 36 10K 12K 166960K 336 0 ifaddr 47 16K 17K 166960K 311 0 ifgroup 57 2K 2K 166960K 500 0 sysctl 3 0K 0K 166960K 3 0 counters 66 36K 36K 166960K 276 0 ioctlops 0 0K 4K 166960K 1843 0 iov 0 0K 14K 166960K 168 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1508 95K 95K 166960K 4071 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 5K 17K 166960K 56 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 145 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 89K 166960K 3449 0 sigio 0 0K 0K 166960K 21 0 proc 70 91K 140K 166960K 2019 0 subproc 104 6K 6K 166960K 755 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 368 0 in_multi 99 7K 7K 166960K 712 0 ether_multi 1 0K 0K 166960K 6 0 mrt 1 0K 0K 166960K 3 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 1299 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 226 80K 96K 166960K 29375 0 UVM aobj 27 2K 2K 166960K 27 0 pinsyscall 40 80K 104K 166960K 5828 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 182 0 NDP 15 0K 2K 166960K 235 0 temp 71 6815K 6883K 166960K 66880 0 kqueue 14 22K 32K 166960K 275 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 120 362 0 358 1 0 1 1 0 8 0 rtentry 112 680 0 578 4 0 4 4 0 8 0 unpcb 144 1683 0 1664 12 10 2 6 0 8 1 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 604 0 600 6 5 1 4 0 8 0 arp 120 124 0 105 1 0 1 1 0 8 0 inpcb 384 2438 0 2430 23 21 2 9 0 8 0 nd6 136 181 0 157 1 0 1 1 0 8 0 pkpcb 40 10 0 10 2 2 0 1 0 8 0 kcovpl 48 58 0 50 1 0 1 1 0 8 0 ppxss 1168 10 0 9 4 3 1 1 0 8 0 pffrag 232 50 0 13 3 0 3 3 0 482 0 pffrnode 88 46 0 11 1 0 1 1 0 8 0 pffrent 40 91 0 54 1 0 1 1 0 8 0 pfosfp 40 1441 0 1017 5 0 5 5 0 8 0 pfosfpen 112 1441 0 726 21 0 21 21 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfqueue 264 1 0 1 1 1 0 1 0 8 0 pfstitem 24 154 0 107 1 0 1 1 0 8 0 pfstkey 128 154 0 107 3 0 3 3 0 8 0 pfstate 376 154 0 107 7 0 7 7 0 8 0 pfrule 1344 30 0 25 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2736 0 2276 31 2 29 29 0 8 0 art_table 32 2737 0 2276 4 0 4 4 0 8 0 art_node 16 679 0 588 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 5 1 0 1 1 0 8 0 semapl 112 142 0 132 1 0 1 1 0 8 0 shmpl 112 24 0 0 1 0 1 1 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 5588 0 3974 101 0 101 101 0 8 0 ffsino 272 5588 0 3974 108 0 108 108 0 8 0 nchpl 144 9120 0 7326 67 0 67 67 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 33816 0 33815 2 1 1 2 0 8 0 percpumem 16 152 0 105 1 0 1 1 0 8 0 vcpupl 3904 5 0 1 1 0 1 1 0 8 0 vmpool 696 7 0 3 1 0 1 1 0 8 0 kstatmem 264 236 0 210 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 40881 0 40880 15 14 1 8 1 8 0 plimitpl 152 417 0 399 1 0 1 1 0 8 0 sigapl 424 3652 0 3604 9 3 6 7 0 8 0 futexpl 64 31146 0 31144 2 1 1 1 0 8 0 knotepl 120 364 0 0 10 0 10 10 0 8 0 kqueuepl 216 602 0 591 5 4 1 5 0 8 0 pipepl 320 616 0 589 8 5 3 8 0 8 0 fdescpl 496 3632 0 3603 7 2 5 5 0 8 0 filepl 152 18214 0 17947 32 21 11 19 0 8 0 lockfpl 104 514 0 512 1 0 1 1 0 8 0 lockfspl 48 226 0 224 1 0 1 1 0 8 0 sessionpl 144 72 0 63 1 0 1 1 0 8 0 pgrppl 48 144 0 127 1 0 1 1 0 8 0 ucredpl 104 3060 0 3047 1 0 1 1 0 8 0 zombiepl 144 3607 0 3604 1 0 1 1 0 8 0 processpl 1152 3652 0 3604 5 1 4 5 0 8 0 procpl 648 6921 0 6868 8 2 6 6 0 8 0 srpgc 96 8 0 8 2 2 0 1 0 8 0 sosppl 168 9 0 9 4 4 0 1 0 8 0 sockpl 664 4507 0 4477 30 26 4 14 0 8 0 mcl64k 65536 15 0 0 2 0 2 2 0 8 0 mcl16k 16384 9 0 0 2 0 2 2 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 18 0 0 3 0 3 3 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 239 0 0 30 0 30 30 0 8 0 mtagpl 96 12 0 0 1 0 1 1 0 8 0 mbufpl 256 671 0 0 39 0 39 39 0 8 0 bufpl 280 9066 0 2894 441 0 441 441 0 8 0 anonpl 24 414187 0 410744 79 50 29 75 0 185 0 amapchunkpl 152 93117 0 92670 36 15 21 32 0 158 1 amappl16 200 7142 0 7116 32 29 3 15 0 8 0 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 216 0 204 1 0 1 1 0 8 0 amappl13 176 42 0 42 1 1 0 1 0 8 0 amappl12 168 5077 0 5048 4 2 2 3 0 8 0 amappl11 160 56 0 42 1 0 1 1 0 8 0 amappl10 152 8 0 8 1 1 0 1 0 8 0 amappl9 144 153 0 153 1 1 0 1 0 8 0 amappl8 136 21 0 19 1 0 1 1 0 8 0 amappl7 128 220 0 207 1 0 1 1 0 8 0 amappl6 120 671 0 670 1 0 1 1 0 8 0 amappl5 112 331 0 320 1 0 1 1 0 8 0 amappl4 104 470 0 450 1 0 1 1 0 8 0 amappl3 96 19946 0 19843 4 0 4 4 0 8 0 amappl2 88 1326 0 1262 2 0 2 2 0 8 0 amappl1 80 20725 0 20146 15 2 13 14 0 8 0 amappl 88 28518 0 28358 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 26 0 0 1 0 1 1 0 8 0 uaddrrnd 24 3639 0 3606 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3639 0 3606 1 0 1 1 0 8 0 vmmpekpl 168 26966 0 26913 4 0 4 4 0 8 0 vmmpepl 168 213809 0 212020 109 23 86 95 0 357 1 vmsppl 440 3638 0 3606 8 3 5 5 0 8 0 rwobjpl 56 58177 0 51295 103 4 99 101 0 8 0 pdppl 4096 7285 0 7216 178 101 77 83 0 8 8 pvpl 32 32432 0 0 263 1 262 262 0 265 0 pmappl 248 3638 0 3606 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 515 0 115 12 0 12 12 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 panic(ffffffff830d879b) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8308cc41,ffffffff830a7f75,27f,ffffffff83024d44) at __assert+0x29 vdoom(fffffd8068f60450) at vdoom+0x105 sys/kern/vfs_subr.c:641 ufs_inactive(ffff8000321e48e8) at ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 VOP_INACTIVE(fffffd8068f60450,ffff8000ffff7bf8) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vclean(fffffd8068f60450,8,ffff8000ffff7bf8) at vclean+0x234 sys/kern/vfs_subr.c:1107 vgonel(fffffd8068f60450,ffff8000ffff7bf8) at vgonel+0xec sys/kern/vfs_subr.c:1197 vop_generic_revoke(ffff8000321e4a78) at vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 VOP_REVOKE(fffffd805b082710,1) at VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 ptmioctl(5100,40287401,ffff8000321e4f40,3,ffff8000ffff7bf8) at ptmioctl+0x832 sys/kern/tty_pty.c:1172 VOP_IOCTL(fffffd806ddf4440,40287401,ffff8000321e4f40,3,fffffd807f7d3750,ffff8000ffff7bf8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd807129ee58,40287401,ffff8000321e4f40,ffff8000ffff7bf8) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffff7bf8,ffff8000321e5120,ffff8000321e5070) at sys_ioctl+0x67c syscall(ffff8000321e5120) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000321e5120) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xac526b5d770, count: -16 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp 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 __mp_lock(ffffffff8355d5e0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8355d5e0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a1447a0) at syscall+0x2cc mi_syscall sys/sys/syscall_mi.h:156 [inline] syscall(ffff80002a1447a0) at syscall+0x2cc sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72a632fc9870, count: 9 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 __mp_lock(ffffffff8355d5e0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8355d5e0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a1447a0) at syscall+0x2cc mi_syscall sys/sys/syscall_mi.h:156 [inline] syscall(ffff80002a1447a0) at syscall+0x2cc sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72a632fc9870, count: -6