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 *193371 66875 0 0x8000000 0x4000000 0K syz-executor 269349 92845 0 0x14000 0x200 1 reaper db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830d710a) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8308c51e,ffffffff830af90e,27f,ffffffff8302bc90) at __assert+0x29 vdoom(fffffd806bf7b3b8) at vdoom+0x105 sys/kern/vfs_subr.c:641 ufs_inactive(ffff8000371f2168) at ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 VOP_INACTIVE(fffffd806bf7b3b8,ffff8000ffff56f0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vclean(fffffd806bf7b3b8,8,ffff8000ffff56f0) at vclean+0x234 sys/kern/vfs_subr.c:1107 vgonel(fffffd806bf7b3b8,ffff8000ffff56f0) at vgonel+0xec sys/kern/vfs_subr.c:1197 vop_generic_revoke(ffff8000371f22f8) at vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 VOP_REVOKE(fffffd806bf7b568,1) at VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 ptmioctl(5100,40287401,ffff8000371f27c0,3,ffff8000ffff56f0) at ptmioctl+0x832 sys/kern/tty_pty.c:1172 VOP_IOCTL(fffffd806de65290,40287401,ffff8000371f27c0,3,fffffd807f7d3340,ffff8000ffff56f0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8069d29da8,40287401,ffff8000371f27c0,ffff8000ffff56f0) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffff56f0,ffff8000371f29a0,ffff8000371f28f0) at sys_ioctl+0x67c end trace frame: 0xffff8000371f2990, 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(ffffffff830d710a) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8308c51e,ffffffff830af90e,27f,ffffffff8302bc90) at __assert+0x29 vdoom(fffffd806bf7b3b8) at vdoom+0x105 sys/kern/vfs_subr.c:641 ufs_inactive(ffff8000371f2168) at ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 VOP_INACTIVE(fffffd806bf7b3b8,ffff8000ffff56f0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vclean(fffffd806bf7b3b8,8,ffff8000ffff56f0) at vclean+0x234 sys/kern/vfs_subr.c:1107 vgonel(fffffd806bf7b3b8,ffff8000ffff56f0) at vgonel+0xec sys/kern/vfs_subr.c:1197 vop_generic_revoke(ffff8000371f22f8) at vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 VOP_REVOKE(fffffd806bf7b568,1) at VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 ptmioctl(5100,40287401,ffff8000371f27c0,3,ffff8000ffff56f0) at ptmioctl+0x832 sys/kern/tty_pty.c:1172 VOP_IOCTL(fffffd806de65290,40287401,ffff8000371f27c0,3,fffffd807f7d3340,ffff8000ffff56f0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8069d29da8,40287401,ffff8000371f27c0,ffff8000ffff56f0) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffff56f0,ffff8000371f29a0,ffff8000371f28f0) at sys_ioctl+0x67c syscall(ffff8000371f29a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371f29a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x124a5b067a0, count: -16 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371f1ff0 rbx 0xffffffff834a3d87 cpu_info_full_primary+0x2d87 rdx 0 rcx 0xffff8000ffff56f0 rax 0xffffffff834a2ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe4f23cd7681dc077 r11 0x8cd2bde06e90558a r12 0xffffffff834a3b88 cpu_info_full_primary+0x2b88 r13 0 r14 0 r15 0x1 rip 0xffffffff813bf665 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371f1fe0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=193371 pid=66875 tcnt=4 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff47c0,0xffff8000ffff5478 process=0xffff8000fffec020 user=0xffff8000371ed000, vmspace=0xfffffd8069d12a58 estcpu=36, cpticks=4, pctcpu=0.0, user=0, sys=4, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 1053 93429 90179 0 2 0x8000000 syz-executor 1053 271078 90179 0 2 0xc000000 syz-executor 16594 250305 93605 0 2 0x8000000 syz-executor 16594 474920 93605 0 3 0xc000080 ttyin syz-executor 66875 408699 23870 0 3 0x8000080 nanoslp syz-executor 66875 485737 23870 0 3 0xc000080 fsleep syz-executor *66875 193371 23870 0 7 0xc000000 syz-executor 66875 73544 23870 0 3 0xc000080 fsleep syz-executor 63313 400501 91436 0 2 0x8000000 syz-executor 63313 195234 91436 0 3 0xc000080 ttyin syz-executor 63313 243522 91436 0 3 0xc000080 fsleep syz-executor 24673 252484 26417 0 3 0x8000080 nanoslp syz-executor 24673 413838 26417 0 3 0xc000080 kqsel syz-executor 24673 326816 26417 0 3 0xc000080 fsleep syz-executor 24673 286004 26417 0 3 0xc000080 fsleep syz-executor 23870 197794 41027 0 3 0x8000082 nanoslp syz-executor 26417 266087 41027 0 3 0x8000082 nanoslp syz-executor 93605 123822 41027 0 3 0x8000082 nanoslp syz-executor 85318 103806 41027 0 2 0x8000002 syz-executor 91436 28542 41027 0 2 0x8000002 syz-executor 24847 184551 41027 0 3 0x8000082 nanoslp syz-executor 57468 381967 41027 0 2 0x8000002 syz-executor 90179 338427 41027 0 3 0x8000082 nanoslp syz-executor 41027 285349 16701 0 3 0x8000082 kqread syz-executor 16701 226824 70233 0 3 0x810008a sigsusp ksh 70233 392228 3416 0 3 0x18000098 kqread sshd-session 3416 135956 94036 0 3 0x18000092 kqread sshd-session 83581 368728 1 0 3 0x18100083 ttyin getty 94036 288044 1 0 3 0x18000088 kqread sshd 7828 54793 34127 74 3 0x19100092 bpf pflogd 34127 196355 1 0 3 0x18000080 sbwait pflogd 3719 253941 92290 73 3 0x19100090 kqread syslogd 92290 305686 1 0 3 0x18100082 sbwait syslogd 18147 188999 1 0 3 0x18100080 kqread resolvd 29709 258101 81613 77 3 0x18100092 kqread dhcpleased 99597 469896 81613 77 3 0x18100092 kqread dhcpleased 81613 346614 1 0 3 0x18000080 kqread dhcpleased 22682 68390 0 0 3 0x14200 bored smr 56303 74095 0 0 2 0x14200 zerothread 99444 415176 0 0 3 0x14200 aiodoned aiodoned 77639 125190 0 0 3 0x14200 syncer update 80865 498933 0 0 3 0x14200 cleaner cleaner 92845 269349 0 0 7 0x14200 reaper 30943 335027 0 0 3 0x14200 pgdaemon pagedaemon 82481 113524 0 0 3 0x14200 bored viomb 87804 174788 0 0 3 0x40014200 acpi0 acpi0 78932 431656 0 0 3 0x40014200 idle1 37736 367416 0 0 3 0x14200 bored softnet3 84158 195308 0 0 3 0x14200 bored softnet2 59785 84965 0 0 3 0x14200 bored softnet1 96736 432256 0 0 3 0x14200 bored softnet0 33138 346288 0 0 3 0x14200 bored systqmp 54672 490120 0 0 3 0x14200 bored systq 9106 295310 0 0 3 0x14200 tmoslp softclockmp 71297 9572 0 0 3 0x40014200 tmoslp softclock 52348 460189 0 0 3 0x40014200 idle0 1 381135 0 0 3 0x8000082 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 (0xffffffff834e2e38) #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 16594 (syz-executor) thread 0xffff8000ffff5978 (474920) exclusive rrwlock inode r = 0 (0xfffffd80700fbd60) #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 spec_open+0x302 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #7 vn_open+0x708 sys/kern/vfs_vnops.c:177 #8 vndioctl+0xcb1 sys/dev/vnd.c:457 #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 Process 66875 (syz-executor) thread 0xffff8000ffff56f0 (193371) exclusive rrwlock inode r = 0 (0xfffffd80700fb5f0) #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 (0xffffffff83564748) #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 (0xffffffff834e2e38) #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10200 10286K 10413K 166960K 11319 0 pcb 17 12K 12K 166960K 36 0 rtable 240 6K 6K 166960K 360 0 pf 32 9K 10K 166960K 43 0 ifaddr 46 15K 15K 166960K 48 0 ifgroup 55 2K 2K 166960K 55 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 4K 166960K 1488 0 iov 0 0K 2K 166960K 3 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1373 86K 87K 166960K 1490 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 8 0K 0K 166960K 11 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 93K 166960K 187 0 sigio 0 0K 0K 166960K 1 0 proc 74 103K 115K 166960K 536 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 2 0 in_multi 99 7K 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 372 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 240 75K 89K 166960K 3444 0 UVM aobj 6 2K 2K 166960K 6 0 pinsyscall 40 80K 103K 166960K 1286 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 3 0 NDP 14 0K 2K 166960K 28 0 temp 41 6803K 6869K 166960K 4781 0 kqueue 13 20K 24K 166960K 27 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 40 0 37 1 0 1 1 0 8 0 rtentry 112 114 0 1 4 0 4 4 0 8 0 unpcb 144 140 0 123 4 0 4 4 0 8 3 syncache 336 3 0 3 2 1 1 1 0 8 1 tcpcb 808 18 0 14 1 0 1 1 0 8 0 arp 120 19 0 0 1 0 1 1 0 8 0 inpcb 384 119 0 111 2 0 2 2 0 8 1 nd6 136 25 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 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 1 0 0 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 16 0 0 1 0 1 1 0 8 0 pfstkey 128 16 0 0 1 0 1 1 0 8 0 pfstate 376 16 0 0 2 0 2 2 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 454 0 0 29 0 29 29 0 8 0 art_table 32 455 0 0 4 0 4 4 0 8 0 art_node 16 113 0 12 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 7 0 1 1 0 1 1 0 8 0 shmpl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1699 0 191 95 0 95 95 0 8 0 ffsino 272 1699 0 191 101 0 101 101 0 8 0 nchpl 144 1961 0 276 63 0 63 63 0 8 0 uvmvnodes 80 1845 0 0 38 0 38 38 0 8 0 vnodes 216 1845 0 0 103 0 103 103 0 8 0 namei 1024 6179 0 6179 2 0 2 2 0 8 2 percpumem 16 46 0 0 1 0 1 1 0 8 0 vmpool 696 1 0 1 1 0 1 1 0 8 1 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 5441 0 5441 3 1 2 2 1 8 2 plimitpl 152 37 0 18 1 0 1 1 0 8 0 sigapl 424 494 0 446 8 1 7 7 0 8 1 futexpl 64 1028 0 1023 1 0 1 1 0 8 0 knotepl 120 302 0 0 10 0 10 10 0 8 0 kqueuepl 216 32 0 22 1 0 1 1 0 8 0 pipepl 320 119 0 92 3 0 3 3 0 8 0 fdescpl 496 476 0 447 5 0 5 5 0 8 0 filepl 152 2073 0 1756 13 0 13 13 0 8 0 lockfpl 104 22 0 19 1 0 1 1 0 8 0 lockfspl 48 12 0 9 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 104 318 0 303 1 0 1 1 0 8 0 zombiepl 144 447 0 446 1 0 1 1 0 8 0 processpl 1152 494 0 446 5 0 5 5 0 8 1 procpl 648 592 0 534 7 1 6 6 0 8 0 sockpl 664 301 0 273 9 0 9 9 0 8 6 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 233 0 0 30 0 30 30 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 235 0 0 15 0 15 15 0 8 0 bufpl 280 4568 0 98 320 0 320 320 0 8 0 anonpl 24 157960 0 149780 50 0 50 50 0 185 0 amapchunkpl 152 11310 0 10531 32 0 32 32 0 158 0 amappl16 200 4144 0 4122 5 0 5 5 0 8 3 amappl15 192 8 0 8 1 0 1 1 0 8 1 amappl14 184 121 0 109 1 0 1 1 0 8 0 amappl13 176 11 0 11 1 0 1 1 0 8 1 amappl12 168 1134 0 1104 4 1 3 3 0 8 0 amappl11 160 59 0 45 1 0 1 1 0 8 0 amappl10 152 23 0 23 1 0 1 1 0 8 1 amappl9 144 142 0 142 1 0 1 1 0 8 1 amappl8 136 21 0 19 1 0 1 1 0 8 0 amappl7 128 126 0 114 1 0 1 1 0 8 0 amappl6 120 180 0 178 1 0 1 1 0 8 0 amappl5 112 132 0 121 1 0 1 1 0 8 0 amappl4 104 322 0 304 1 0 1 1 0 8 0 amappl3 96 2105 0 1985 4 0 4 4 0 8 0 amappl2 88 622 0 561 2 0 2 2 0 8 0 amappl1 80 7998 0 7407 14 0 14 14 0 8 0 amappl 88 3065 0 2889 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 5 0 0 1 0 1 1 0 8 0 uaddrrnd 24 477 0 447 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 477 0 447 1 0 1 1 0 8 0 vmmpekpl 168 6033 0 5999 2 0 2 2 0 8 0 vmmpepl 168 38608 0 36756 86 0 86 86 0 357 1 vmsppl 440 476 0 447 6 1 5 5 0 8 1 rwobjpl 56 17484 0 14679 40 0 40 40 0 8 0 pdppl 4096 961 0 894 97 22 75 85 0 8 8 pvpl 32 25819 0 0 210 1 209 209 0 265 0 pmappl 248 476 0 447 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 381 0 25 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 panic(ffffffff830d710a) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8308c51e,ffffffff830af90e,27f,ffffffff8302bc90) at __assert+0x29 vdoom(fffffd806bf7b3b8) at vdoom+0x105 sys/kern/vfs_subr.c:641 ufs_inactive(ffff8000371f2168) at ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 VOP_INACTIVE(fffffd806bf7b3b8,ffff8000ffff56f0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vclean(fffffd806bf7b3b8,8,ffff8000ffff56f0) at vclean+0x234 sys/kern/vfs_subr.c:1107 vgonel(fffffd806bf7b3b8,ffff8000ffff56f0) at vgonel+0xec sys/kern/vfs_subr.c:1197 vop_generic_revoke(ffff8000371f22f8) at vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 VOP_REVOKE(fffffd806bf7b568,1) at VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 ptmioctl(5100,40287401,ffff8000371f27c0,3,ffff8000ffff56f0) at ptmioctl+0x832 sys/kern/tty_pty.c:1172 VOP_IOCTL(fffffd806de65290,40287401,ffff8000371f27c0,3,fffffd807f7d3340,ffff8000ffff56f0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8069d29da8,40287401,ffff8000371f27c0,ffff8000ffff56f0) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffff56f0,ffff8000371f29a0,ffff8000371f28f0) at sys_ioctl+0x67c syscall(ffff8000371f29a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371f29a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x124a5b067a0, 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc reaper(ffff800029fd8a28) at reaper+0x202 sys/kern/kern_exit.c:468 end trace frame: 0x0, count: 10 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc reaper(ffff800029fd8a28) at reaper+0x202 sys/kern/kern_exit.c:468 end trace frame: 0x0, count: -5