uvm_fault(0xfffffd806c1f43f0, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND 406116 56141 0 0x2 0 1 syz-executor dt_ioctl_record_stop(ffff800001480000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(31e5f,81,2000,ffff8000fffeafb0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff8000fffeafb0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000337ee8f0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8066db1d88,81,fffffd80097fb340,ffff8000fffeafb0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806bff7540,ffff8000fffeafb0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806bff7540,ffff8000fffeafb0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806bff7540,ffff8000fffeafb0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806bff7540,ffff8000fffeafb0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffeafb0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffeafb0,b,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffeafb0,ffff8000337eec60,ffff8000337eebb0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000337eec60) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000337eec60) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x723dc003f750, count: 3 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: uvm_fault(0xfffffd806c1f43f0, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff800001480000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(31e5f,81,2000,ffff8000fffeafb0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff8000fffeafb0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000337ee8f0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8066db1d88,81,fffffd80097fb340,ffff8000fffeafb0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806bff7540,ffff8000fffeafb0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806bff7540,ffff8000fffeafb0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806bff7540,ffff8000fffeafb0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806bff7540,ffff8000fffeafb0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffeafb0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffeafb0,b,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffeafb0,ffff8000337eec60,ffff8000337eebb0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000337eec60) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000337eec60) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x723dc003f750, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff8000337ee820 rbx 0x1 rdx 0 rcx 0xffff8000fffeafb0 rax 0xffffffff837c1398 dt_prov_syscall r8 0x3b9aca00 r9 0 r10 0xc1c79280ad85e2ee r11 0xa75735506b507417 r12 0 r13 0 r14 0 r15 0xffff8000014bb700 rip 0xffffffff815fc868 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff8000337ee7f0 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=10412 pid=19794 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000fffeafb0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000fffeba10,0xffff8000ffff2558 process=0xffff8000fffef508 user=0xffff8000337e9000, vmspace=0xfffffd806c1f43f0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 62741 268828 3646 0 2 0 syz-executor 93700 117396 5670 0 2 0x100002 sh 71577 112496 18611 0 2 0 syz-executor 71577 188785 18611 0 3 0x4000080 lockf syz-executor 4029 333810 71278 0 2 0 syz-executor 4029 278738 71278 0 3 0x4000080 tunread syz-executor 4029 346111 71278 0 3 0x4000000 inode syz-executor 59457 269797 25621 0 3 0x100082 sbwait arp 25621 369728 95735 0 3 0x10008a sigsusp sh 56141 406116 38917 0 7 0x2 syz-executor 3646 108805 38917 0 3 0x82 nanoslp syz-executor 42070 209942 38917 0 2 0x2 syz-executor 95735 481620 38917 0 3 0x82 wait syz-executor 18611 68124 38917 0 2 0xc82 syz-executor 5670 452481 38917 0 2 0x10000002 syz-executor 1586 257832 38917 0 2 0xc82 syz-executor 71278 296584 38917 0 2 0xc82 syz-executor 38917 422367 42918 0 3 0x82 kqread syz-executor 42918 239150 80445 0 3 0x10008a sigsusp ksh 80445 18812 76336 0 3 0x98 kqread sshd-session 76336 199493 66938 0 3 0x92 kqread sshd-session 17594 514464 1 0 3 0x100083 ttyin getty 66938 402231 1 0 3 0x88 kqread sshd 67348 340903 97571 74 3 0x1100092 bpf pflogd 97571 19204 1 0 3 0x80 sbwait pflogd 3555 521430 54140 73 3 0x1100090 kqread syslogd 54140 411847 1 0 3 0x100082 sbwait syslogd 47597 105353 1 0 3 0x100080 kqread resolvd 69063 317288 67323 77 3 0x100092 kqread dhcpleased 20274 456241 67323 77 3 0x100092 kqread dhcpleased 67323 332136 1 0 3 0x80 kqread dhcpleased 32230 234765 0 0 3 0x14200 bored smr 30239 99826 0 0 2 0x14200 zerothread 63922 243573 0 0 3 0x14200 aiodoned aiodoned 31265 196498 0 0 3 0x14200 syncer update 83046 142195 0 0 3 0x14200 cleaner cleaner 82715 403024 0 0 3 0x14200 reaper reaper 79848 373421 0 0 3 0x14200 pgdaemon pagedaemon 46650 355475 0 0 3 0x14200 bored viomb 10171 288395 0 0 3 0x40014200 acpi0 acpi0 81233 108660 0 0 3 0x40014200 idle1 58506 78563 0 0 3 0x14200 bored softnet1 22572 407675 0 0 2 0x14200 softnet0 20491 95108 0 0 3 0x14200 bored systqmp 47368 262595 0 0 3 0x14200 bored systq 36128 31520 0 0 3 0x14200 tmoslp softclockmp 65098 472739 0 0 3 0x40014200 tmoslp softclock 68692 359801 0 0 3 0x40014200 idle0 1 182947 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 4029 (syz-executor) thread 0xffff8000ffff2018 (278738) exclusive rrwlock inode r = 0 (0xfffffd8066d7fa20) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 spec_open+0x2f2 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #7 vn_open+0x6a0 sys/kern/vfs_vnops.c:177 #8 vndioctl+0xc42 sys/dev/vnd.c:458 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #11 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #13 Xsyscall+0x128 Process 4029 (syz-executor) thread 0xffff8000fffeba10 (346111) exclusive rrwlock inode r = 0 (0xfffffd8066d7f208) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 vn_open+0x1f1 sys/kern/vfs_vnops.c:107 #8 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #10 Xsyscall+0x128 Process 56141 (syz-executor) thread 0xffff8000ffff2d10 (406116) exclusive rrwlock inode r = 0 (0xfffffd8066d7f7d0) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:687 #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+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c42f450) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #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:1868 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 42070 (syz-executor) thread 0xffff8000ffff3770 (209942) exclusive rrwlock inode r = 0 (0xfffffd8066d7f0e0) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:687 #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+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8066d7f8f8) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:687 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #13 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10208 11085K 11127K 166960K 11313 0 pcb 17 12K 12K 166960K 22 0 rtable 207 5K 6K 166960K 319 0 pf 36 17K 19K 166960K 49 0 ifaddr 40 6K 6K 166960K 42 0 ifgroup 59 2K 2K 166960K 59 0 sysctl 1 1K 9K 166960K 5 0 counters 70 37K 37K 166960K 70 0 ioctlops 0 0K 4K 166960K 1510 0 iov 0 0K 26K 166960K 3 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1345 85K 85K 166960K 1376 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 3 0K 0K 166960K 3 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 244K 166960K 152 0 sigio 0 0K 0K 166960K 1 0 proc 70 115K 180K 166960K 518 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 6 0 in_multi 79 5K 6K 166960K 80 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 49 228K 228K 166960K 49 0 exec 0 0K 1K 166960K 380 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 229 170K 178K 166960K 3262 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 43 86K 102K 166960K 1287 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 1 0 NDP 25 1K 1K 166960K 25 0 temp 35 8642K 8706K 166960K 4103 0 kqueue 15 22K 24K 166960K 25 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 35 0 31 1 0 1 1 0 8 0 rtentry 176 96 0 1 5 0 5 5 0 8 0 unpcb 144 42 0 25 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 736 10 0 5 1 0 1 1 0 8 0 arp 136 17 0 0 1 0 1 1 0 8 0 inpcb 328 111 0 101 4 0 4 4 0 8 2 nd6 152 18 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 15 0 0 1 0 1 1 0 8 0 pfstkey 128 15 0 0 1 0 1 1 0 8 0 pfstate 384 15 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 256 371 0 0 24 0 24 24 0 8 0 art_table 40 372 0 0 4 0 4 4 0 8 0 art_node 32 96 0 9 1 0 1 1 0 8 0 semapl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1589 0 75 95 0 95 95 0 8 0 ffsino 296 1589 0 75 117 0 117 117 0 8 0 nchpl 144 1794 0 91 64 0 64 64 0 8 0 vnodes 216 1682 0 0 94 0 94 94 0 8 0 namei 1024 5451 0 5450 2 0 2 2 0 8 1 percpumem 16 50 0 0 1 0 1 1 0 8 0 kstatmem 264 28 0 0 2 0 2 2 0 8 0 scxspl 216 5857 0 5857 3 1 2 2 1 8 2 plimitpl 152 30 0 13 1 0 1 1 0 8 0 sigapl 424 459 0 412 7 0 7 7 0 8 1 knotepl 120 56 0 0 2 0 2 2 0 8 0 kqueuepl 224 22 0 11 1 0 1 1 0 8 0 pipepl 344 124 0 97 3 0 3 3 0 8 0 fdescpl 528 443 0 412 3 0 3 3 0 8 0 filepl 160 1663 0 1436 12 0 12 12 0 8 2 lockfpl 104 17 0 10 1 0 1 1 0 8 0 lockfspl 48 7 0 3 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 91 0 77 1 0 1 1 0 8 0 zombiepl 144 413 0 412 1 0 1 1 0 8 0 processpl 1232 459 0 412 5 0 5 5 0 8 0 procpl 664 487 0 437 5 0 5 5 0 8 0 sockpl 752 188 0 157 7 0 7 7 0 8 3 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 117 0 0 15 0 15 15 0 8 0 mcl2k 2048 39 0 0 5 0 5 5 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 189 0 0 12 0 12 12 0 8 0 bufpl 280 2319 0 128 157 0 157 157 0 8 0 anonpl 32 3916 0 0 32 0 32 32 0 246 0 amapchunkpl 152 8921 0 8496 21 0 21 21 0 158 0 amappl16 200 1969 0 1955 5 0 5 5 0 8 4 amappl15 192 8 0 8 1 0 1 1 0 8 1 amappl14 184 9 0 9 1 0 1 1 0 8 1 amappl13 176 431 0 428 1 0 1 1 0 8 0 amappl12 168 808 0 766 3 0 3 3 0 8 0 amappl11 160 39 0 39 1 0 1 1 0 8 1 amappl10 152 50 0 36 1 0 1 1 0 8 0 amappl9 144 247 0 247 1 0 1 1 0 8 1 amappl8 136 29 0 28 1 0 1 1 0 8 0 amappl7 128 86 0 85 1 0 1 1 0 8 0 amappl6 120 273 0 257 1 0 1 1 0 8 0 amappl5 112 80 0 70 1 0 1 1 0 8 0 amappl4 104 450 0 415 1 0 1 1 0 8 0 amappl3 96 1430 0 1349 4 1 3 3 0 8 0 amappl2 88 572 0 500 2 0 2 2 0 8 0 amappl1 80 9179 0 8557 15 0 15 15 0 8 0 amappl 88 2514 0 2369 4 0 4 4 0 92 0 uvmvnodes 80 1682 0 0 35 0 35 35 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 128 253 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 443 0 412 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 443 0 412 1 0 1 1 0 8 0 vmmpekpl 168 5572 0 5538 2 0 2 2 0 8 0 vmmpepl 168 36898 0 35054 88 0 88 88 0 357 1 vmsppl 488 442 0 412 5 0 5 5 0 8 0 rwobjpl 80 15241 0 12616 57 1 56 56 0 8 0 pdppl 4096 894 0 824 100 16 84 84 0 8 14 pvpl 32 9462 0 0 77 0 77 77 0 265 0 pmappl 256 442 0 412 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 267 0 18 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff800001480000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(31e5f,81,2000,ffff8000fffeafb0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff8000fffeafb0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000337ee8f0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8066db1d88,81,fffffd80097fb340,ffff8000fffeafb0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806bff7540,ffff8000fffeafb0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806bff7540,ffff8000fffeafb0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806bff7540,ffff8000fffeafb0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806bff7540,ffff8000fffeafb0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffeafb0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffeafb0,b,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffeafb0,ffff8000337eec60,ffff8000337eebb0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000337eec60) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000337eec60) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x723dc003f750, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) 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(ffffffff83905c00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83905c00) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff83905c00,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367 biowait(fffffd806d05f378) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd806d05f378) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 ufs_dirremove(fffffd806ca7c700,fffffd8066d7f730,800c,1) at ufs_dirremove+0x290 sys/ufs/ufs/ufs_lookup.c:919 ufs_rmdir(ffff80002a3d0540) at ufs_rmdir+0x238 sys/ufs/ufs/ufs_vnops.c:1248 VOP_RMDIR(fffffd806ca7c700,fffffd8066cb2520,ffff80002a3d0618) at VOP_RMDIR+0x192 sys/kern/vfs_vops.c:413 dounlinkat(ffff8000ffff2d10,ffffff9c,78f6d157fa80,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1901 syscall(ffff80002a3d0790) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3d0790) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78f6d157fa70, count: 1 ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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(ffffffff83905c00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83905c00) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff83905c00,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367 biowait(fffffd806d05f378) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd806d05f378) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 ufs_dirremove(fffffd806ca7c700,fffffd8066d7f730,800c,1) at ufs_dirremove+0x290 sys/ufs/ufs/ufs_lookup.c:919 ufs_rmdir(ffff80002a3d0540) at ufs_rmdir+0x238 sys/ufs/ufs/ufs_vnops.c:1248 VOP_RMDIR(fffffd806ca7c700,fffffd8066cb2520,ffff80002a3d0618) at VOP_RMDIR+0x192 sys/kern/vfs_vops.c:413 dounlinkat(ffff8000ffff2d10,ffffff9c,78f6d157fa80,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1901 syscall(ffff80002a3d0790) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3d0790) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78f6d157fa70, count: -14