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 356613 1607 60928 0x8000010 0 0 syz-executor * 26556 1607 60928 0x8000010 0x4000000 1K 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(fffffd805ab4ba58) at vdoom+0x105 sys/kern/vfs_subr.c:641 ufs_inactive(ffff80002a101f38) at ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 VOP_INACTIVE(fffffd805ab4ba58,ffff8000ffff7460) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vclean(fffffd805ab4ba58,8,ffff8000ffff7460) at vclean+0x234 sys/kern/vfs_subr.c:1107 vgonel(fffffd805ab4ba58,ffff8000ffff7460) at vgonel+0xec sys/kern/vfs_subr.c:1197 vop_generic_revoke(ffff80002a1020c8) at vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 VOP_REVOKE(fffffd80625f4558,1) at VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 ptmioctl(5100,40287401,ffff80002a102590,3,ffff8000ffff7460) at ptmioctl+0x832 sys/kern/tty_pty.c:1172 VOP_IOCTL(fffffd806df5b7a0,40287401,ffff80002a102590,3,fffffd807f7d3340,ffff8000ffff7460) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8078b12d28,40287401,ffff80002a102590,ffff8000ffff7460) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffff7460,ffff80002a102770,ffff80002a1026c0) at sys_ioctl+0x67c end trace frame: 0xffff80002a102760, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: kernel diagnostic assertion "vp->v_usecount == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/vfs_subr.c", line 639 ddb{1}> 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(fffffd805ab4ba58) at vdoom+0x105 sys/kern/vfs_subr.c:641 ufs_inactive(ffff80002a101f38) at ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 VOP_INACTIVE(fffffd805ab4ba58,ffff8000ffff7460) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vclean(fffffd805ab4ba58,8,ffff8000ffff7460) at vclean+0x234 sys/kern/vfs_subr.c:1107 vgonel(fffffd805ab4ba58,ffff8000ffff7460) at vgonel+0xec sys/kern/vfs_subr.c:1197 vop_generic_revoke(ffff80002a1020c8) at vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 VOP_REVOKE(fffffd80625f4558,1) at VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 ptmioctl(5100,40287401,ffff80002a102590,3,ffff8000ffff7460) at ptmioctl+0x832 sys/kern/tty_pty.c:1172 VOP_IOCTL(fffffd806df5b7a0,40287401,ffff80002a102590,3,fffffd807f7d3340,ffff8000ffff7460) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8078b12d28,40287401,ffff80002a102590,ffff8000ffff7460) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffff7460,ffff80002a102770,ffff80002a1026c0) at sys_ioctl+0x67c syscall(ffff80002a102770) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a102770) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7da901fc320, count: -16 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a101dc0 rbx 0xffff800029b7cd87 rdx 0xffff8000011b44c0 rcx 0xffff8000ffff7460 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x396d6ffd2ef30398 r11 0x8b4184b2adda89af r12 0xffff800029b7cb88 r13 0 r14 0 r15 0x1 rip 0xffffffff82d4df45 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a101db0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=26556 pid=1607 tcnt=2 stat=onproc flags process=8000010 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff71d8,0xffff8000ffff6cd8 process=0xffff8000ffff9210 user=0xffff80002a0fd000, vmspace=0xfffffd80092ee6e0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 97052 229645 64512 0 2 0x8100000 sh 64512 284010 72980 0 3 0x810008a sigsusp sh 1607 356613 36647 60928 7 0x8000010 syz-executor * 1607 26556 36647 60928 7 0xc000010 syz-executor 8324 223088 51843 0 2 0x8000000 syz-executor 30053 91449 71001 0 2 0x8000000 syz-executor 30053 314854 71001 0 3 0xc000080 fsleep syz-executor 72450 140148 23843 0 2 0x8000000 syz-executor 72450 201872 23843 0 3 0xc000080 fsleep syz-executor 57124 276342 44124 0 2 0x8000002 ifconfig 44124 144727 19996 0 3 0x810008a sigsusp sh 384 315546 66955 0 2 0x8000000 syz-executor 384 129559 66955 0 2 0xc000000 syz-executor 72980 74480 58065 0 3 0x8000082 wait syz-executor 7119 313198 58065 0 3 0x8000002 biowait syz-executor 19996 385701 58065 0 3 0x8000082 wait syz-executor 36647 156478 58065 0 3 0x8000082 nanoslp syz-executor 66955 368399 58065 0 3 0x8000082 nanoslp syz-executor 51843 502453 58065 0 3 0x8000082 nanoslp syz-executor 71001 351851 58065 0 3 0x8000082 nanoslp syz-executor 23843 252322 58065 0 3 0x8000082 nanoslp syz-executor 35603 301765 0 0 3 0x14200 bored sosplice 58065 272278 77822 0 3 0x8000082 kqread syz-executor 77822 388209 86460 0 3 0x810008a sigsusp ksh 86460 499871 71523 0 3 0x18000098 kqread sshd-session 71523 247896 26596 0 3 0x18000092 kqread sshd-session 41310 158886 1 0 3 0x18100083 ttyin getty 26596 32450 1 0 3 0x18000088 kqread sshd 61385 147865 83168 74 3 0x19100092 bpf pflogd 83168 189615 1 0 3 0x18000080 sbwait pflogd 48282 25678 49632 73 3 0x19100010 biowait syslogd 49632 429115 1 0 3 0x18100082 sbwait syslogd 23370 427612 1 0 3 0x18100080 kqread resolvd 71227 154329 80349 77 3 0x18100092 kqread dhcpleased 67554 510340 80349 77 3 0x18100092 kqread dhcpleased 80349 46167 1 0 3 0x18000080 kqread dhcpleased 94763 178119 0 0 3 0x14200 bored smr 78807 225993 0 0 2 0x14200 zerothread 1694 214164 0 0 3 0x14200 aiodoned aiodoned 76438 302132 0 0 3 0x14200 syncer update 94718 422537 0 0 3 0x14200 cleaner cleaner 22393 18118 0 0 3 0x14200 reaper reaper 32471 402084 0 0 3 0x14200 pgdaemon pagedaemon 22602 455931 0 0 3 0x14200 bored viomb 22794 139388 0 0 3 0x40014200 acpi0 acpi0 47243 435126 0 0 3 0x40014200 idle1 38206 371837 0 0 3 0x14200 bored softnet3 47951 465404 0 0 3 0x14200 bored softnet2 85661 322031 0 0 3 0x14200 bored softnet1 48378 162286 0 0 3 0x14200 bored softnet0 49768 110644 0 0 3 0x14200 bored systqmp 9219 8195 0 0 3 0x14200 bored systq 18636 226328 0 0 3 0x14200 tmoslp softclockmp 53707 201469 0 0 3 0x40014200 tmoslp softclock 86709 394088 0 0 3 0x40014200 idle0 1 520377 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: 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 1607 (syz-executor) thread 0xffff8000ffff7460 (26556) exclusive rrwlock inode r = 0 (0xfffffd806c02bf78) #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 vn_ioctl+0x4d sys/kern/vfs_vnops.c:508 #2 sys_ioctl+0x67c #3 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #3 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #4 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 7119 (syz-executor) thread 0xffff8000371c6f60 (313198) exclusive rrwlock inode r = 0 (0xfffffd807078cf80) #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 (0xfffffd807078ca30) #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 Process 48282 (syslogd) thread 0xffff8000ffffdbe8 (25678) exclusive rrwlock inode r = 0 (0xfffffd806e4a23d0) #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 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2927 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10203 10159K 10621K 166960K 11992 0 pcb 17 14K 15K 166960K 82 0 rtable 193 5K 7K 166960K 1088 0 pf 33 9K 10K 166960K 102 0 ifaddr 42 15K 15K 166960K 150 0 ifgroup 55 2K 2K 166960K 159 0 counters 64 36K 36K 166960K 120 0 ioctlops 0 0K 4K 166960K 1596 0 iov 0 0K 12K 166960K 24 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1440 91K 91K 166960K 2031 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 13 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 19 69K 97K 166960K 715 0 sigio 0 0K 0K 166960K 1 0 proc 77 103K 140K 166960K 1205 0 subproc 104 6K 6K 166960K 416 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 44 0 in_multi 88 6K 7K 166960K 367 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 145 652K 652K 166960K 145 0 exec 0 0K 1K 166960K 699 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 219 72K 91K 166960K 6880 0 UVM aobj 11 2K 2K 166960K 11 0 pinsyscall 44 88K 106K 166960K 2397 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 20 0 NDP 16 0K 2K 166960K 102 0 temp 50 6809K 6937K 166960K 30706 0 kqueue 15 20K 26K 166960K 60 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 101 0 97 1 0 1 1 0 8 0 rtentry 112 378 0 290 4 1 3 4 0 8 0 unpcb 144 421 0 404 5 4 1 3 0 8 0 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpcb 808 93 0 89 2 1 1 2 0 8 0 arp 120 67 0 51 1 0 1 1 0 8 0 inpcb 384 548 0 537 12 9 3 8 0 8 1 nd6 136 95 0 75 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 kcovpl 48 32 0 24 1 0 1 1 0 8 0 ppxss 1168 4 0 4 1 1 0 1 0 8 0 pffrag 232 1 0 1 1 1 0 1 0 482 0 pffrnode 88 1 0 1 1 1 0 1 0 8 0 pffrent 40 3 0 3 2 1 1 1 0 8 1 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 61 0 32 1 0 1 1 0 8 0 pfstkey 128 61 0 32 2 0 2 2 0 8 0 pfstate 376 61 0 32 4 0 4 4 0 8 0 pfrule 1344 22 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1524 0 1123 33 4 29 29 0 8 3 art_table 32 1525 0 1123 4 0 4 4 0 8 0 art_node 16 375 0 296 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 2 1 1 1 0 8 0 semupl 112 3 0 3 2 2 0 1 0 8 0 semapl 112 10 0 0 1 0 1 1 0 8 0 shmpl 112 8 0 0 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2072 0 517 98 0 98 98 0 8 0 ffsino 272 2072 0 517 104 0 104 104 0 8 0 nchpl 144 2630 0 919 64 0 64 64 0 8 0 uvmvnodes 80 2707 0 0 56 0 56 56 0 8 0 vnodes 216 2707 0 0 151 0 151 151 0 8 0 namei 1024 10927 0 10926 2 1 1 2 0 8 0 percpumem 16 74 0 28 1 0 1 1 0 8 0 kstatmem 264 80 0 56 2 0 2 2 0 8 0 scxspl 216 13662 0 13660 11 10 1 8 1 8 0 plimitpl 152 155 0 137 1 0 1 1 0 8 0 sigapl 424 969 0 917 9 2 7 7 0 8 0 futexpl 64 4461 0 4459 3 2 1 1 0 8 0 knotepl 120 321 0 0 9 0 9 9 0 8 0 kqueuepl 216 98 0 88 1 0 1 1 0 8 0 pipepl 320 207 0 179 3 0 3 3 0 8 0 fdescpl 496 950 0 917 8 3 5 6 0 8 0 filepl 152 4685 0 4423 19 8 11 14 0 8 0 lockfpl 104 114 0 112 1 0 1 1 0 8 0 lockfspl 48 47 0 45 1 0 1 1 0 8 0 sessionpl 144 46 0 37 1 0 1 1 0 8 0 pgrppl 48 79 0 62 1 0 1 1 0 8 0 ucredpl 104 614 0 599 1 0 1 1 0 8 0 zombiepl 144 917 0 917 1 0 1 1 0 8 1 processpl 1152 969 0 917 5 1 4 5 0 8 0 procpl 648 1414 0 1358 8 2 6 7 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 2 0 2 1 1 0 1 0 8 0 sockpl 664 1075 0 1042 14 10 4 8 0 8 1 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 263 0 0 33 1 32 33 0 8 0 mtagpl 96 14 0 0 1 0 1 1 0 8 0 mbufpl 256 313 0 0 18 0 18 18 0 8 0 bufpl 280 7185 0 1013 441 0 441 441 0 8 0 anonpl 24 194148 0 190692 56 4 52 52 0 185 27 amapchunkpl 152 21520 0 21079 34 1 33 34 0 158 15 amappl16 200 4136 0 4124 16 14 2 14 0 8 1 amappl15 192 15 0 15 1 1 0 1 0 8 0 amappl14 184 162 0 150 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 1982 0 1947 4 2 2 3 0 8 0 amappl11 160 77 0 62 1 0 1 1 0 8 0 amappl10 152 11 0 11 1 1 0 1 0 8 0 amappl9 144 156 0 156 1 1 0 1 0 8 0 amappl8 136 57 0 55 1 0 1 1 0 8 0 amappl7 128 155 0 143 1 0 1 1 0 8 0 amappl6 120 398 0 394 1 0 1 1 0 8 0 amappl5 112 225 0 212 1 0 1 1 0 8 0 amappl4 104 380 0 360 1 0 1 1 0 8 0 amappl3 96 4050 0 3950 4 0 4 4 0 8 1 amappl2 88 935 0 868 2 0 2 2 0 8 0 amappl1 80 10834 0 10241 14 1 13 14 0 8 0 amappl 88 6332 0 6175 5 0 5 5 0 92 1 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 10 0 0 1 0 1 1 0 8 0 uaddrrnd 24 950 0 917 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 950 0 917 1 0 1 1 0 8 0 vmmpekpl 168 9717 0 9684 3 0 3 3 0 8 0 vmmpepl 168 65862 0 64022 95 9 86 94 0 357 3 vmsppl 440 949 0 917 6 2 4 5 0 8 0 rwobjpl 56 24968 0 21313 55 2 53 53 0 8 0 pdppl 4096 1907 0 1834 133 56 77 87 0 8 4 pvpl 32 27957 0 0 226 0 226 226 0 265 0 pmappl 248 949 0 917 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 436 0 67 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834a3ff0) 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 intr_handler(ffff80002a098260,ffff80000006bc00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x74f4a7285070, count: 9 ddb{0}> trace x86_ipi_db(ffffffff834a3ff0) 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 intr_handler(ffff80002a098260,ffff80000006bc00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x74f4a7285070, count: -6 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp 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(fffffd805ab4ba58) at vdoom+0x105 sys/kern/vfs_subr.c:641 ufs_inactive(ffff80002a101f38) at ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 VOP_INACTIVE(fffffd805ab4ba58,ffff8000ffff7460) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vclean(fffffd805ab4ba58,8,ffff8000ffff7460) at vclean+0x234 sys/kern/vfs_subr.c:1107 vgonel(fffffd805ab4ba58,ffff8000ffff7460) at vgonel+0xec sys/kern/vfs_subr.c:1197 vop_generic_revoke(ffff80002a1020c8) at vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 VOP_REVOKE(fffffd80625f4558,1) at VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 ptmioctl(5100,40287401,ffff80002a102590,3,ffff8000ffff7460) at ptmioctl+0x832 sys/kern/tty_pty.c:1172 VOP_IOCTL(fffffd806df5b7a0,40287401,ffff80002a102590,3,fffffd807f7d3340,ffff8000ffff7460) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8078b12d28,40287401,ffff80002a102590,ffff8000ffff7460) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffff7460,ffff80002a102770,ffff80002a1026c0) at sys_ioctl+0x67c end trace frame: 0xffff80002a102760, count: 0 ddb{1}> 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(fffffd805ab4ba58) at vdoom+0x105 sys/kern/vfs_subr.c:641 ufs_inactive(ffff80002a101f38) at ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 VOP_INACTIVE(fffffd805ab4ba58,ffff8000ffff7460) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vclean(fffffd805ab4ba58,8,ffff8000ffff7460) at vclean+0x234 sys/kern/vfs_subr.c:1107 vgonel(fffffd805ab4ba58,ffff8000ffff7460) at vgonel+0xec sys/kern/vfs_subr.c:1197 vop_generic_revoke(ffff80002a1020c8) at vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 VOP_REVOKE(fffffd80625f4558,1) at VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 ptmioctl(5100,40287401,ffff80002a102590,3,ffff8000ffff7460) at ptmioctl+0x832 sys/kern/tty_pty.c:1172 VOP_IOCTL(fffffd806df5b7a0,40287401,ffff80002a102590,3,fffffd807f7d3340,ffff8000ffff7460) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8078b12d28,40287401,ffff80002a102590,ffff8000ffff7460) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffff7460,ffff80002a102770,ffff80002a1026c0) at sys_ioctl+0x67c syscall(ffff80002a102770) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a102770) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7da901fc320, count: -16