login: uvm_fault(0xfffffd806b7ca5d8, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 TID PID UID PRFLAGS PFLAGS CPU COMMAND 85229 43813 0 0 0 0 syz-executor dt_ioctl_record_stop(ffff8000015e2000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff80002eff0d10) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002eff0d10) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4357a0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806388da58,81,fffffd80097fb6e8,ffff80002eff0d10) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ea54a48,ffff80002eff0d10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ea54a48,ffff80002eff0d10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ea54a48,ffff80002eff0d10) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd805ea54a48,ffff80002eff0d10) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002eff0d10) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002eff0d10,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002eff0d10,ffff80003c435b10,ffff80003c435a60) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c435b10) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c435b10) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x728d36ae5a10, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xfffffd806b7ca5d8, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff8000015e2000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff80002eff0d10) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002eff0d10) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4357a0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806388da58,81,fffffd80097fb6e8,ffff80002eff0d10) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ea54a48,ffff80002eff0d10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ea54a48,ffff80002eff0d10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ea54a48,ffff80002eff0d10) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd805ea54a48,ffff80002eff0d10) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002eff0d10) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002eff0d10,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002eff0d10,ffff80003c435b10,ffff80003c435a60) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c435b10) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c435b10) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x728d36ae5a10, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c4356d0 rbx 0xffffffff82290ee0 dtclose rdx 0 rcx 0xffff80002eff0d10 rax 0xffffffff83868b98 dt_prov_syscall r8 0xffff80003c435820 r9 0x20 r10 0xe32baa668c2d8913 r11 0x6feb3bdb69e05553 r12 0xffff80000006b780 r13 0 r14 0 r15 0xffff80000149b800 rip 0xffffffff822912c0 dt_ioctl_record_stop+0xf0 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80003c4356a0 ss 0x10 dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 ddb{1}> show proc PROC (syz-executor) tid=35725 pid=47348 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002eff0d10 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002eff14c0,0xffff80003c4487e8 process=0xffff800039416720 user=0xffff80003c430000, vmspace=0xfffffd806b7ca5d8 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 43813 85229 10504 0 7 0 syz-executor 43813 263317 10504 0 3 0x4000000 biowait syz-executor 4048 256135 99866 0 2 0 syz-executor 37356 453000 72045 0 2 0 syz-executor 37356 234043 72045 0 3 0x4000080 fsleep syz-executor 30479 12978 24154 0 3 0x80 nanoslp syz-executor 30479 179980 24154 0 3 0x4000000 biowait syz-executor 30479 479687 24154 0 3 0x4000000 inode syz-executor 30479 252818 24154 0 3 0x4000000 inode syz-executor 30479 306199 24154 0 3 0x4000080 fsleep syz-executor 70511 48685 16623 0 3 0x80 nanoslp syz-executor 70511 20207 16623 0 3 0x4000080 sbwait syz-executor 70511 308390 16623 0 3 0x4000080 fsleep syz-executor 94442 338411 7678 0 3 0x80 nanoslp syz-executor 94442 83214 7678 0 3 0x4000080 kqread syz-executor 94442 297627 7678 0 3 0x4000080 fsleep syz-executor 94442 154193 7678 0 3 0x4000080 fsleep syz-executor 79362 468617 0 0 3 0x14200 acct acct 65209 463326 1 0 3 0x100083 ttyin getty 85398 493898 0 0 3 0x14200 bored sosplice 24154 197146 62091 0 2 0x2 syz-executor 7678 290019 62091 0 3 0x82 nanoslp syz-executor 16623 156336 62091 0 3 0x82 nanoslp syz-executor 72045 217939 62091 0 3 0x82 nanoslp syz-executor 99866 200149 62091 0 3 0x82 nanoslp syz-executor 54439 314990 62091 0 3 0x82 nanoslp syz-executor 10504 106680 62091 0 3 0x82 nanoslp syz-executor 94790 130833 62091 0 3 0x82 nanoslp syz-executor 62091 3298 75423 0 3 0x82 kqread syz-executor 75423 441406 9224 0 3 0x10008a sigsusp ksh 9224 426593 13556 0 3 0x98 kqread sshd-session 13556 385003 21203 0 3 0x92 kqread sshd-session 21203 510452 1 0 3 0x88 kqread sshd 75700 32754 63676 74 3 0x1100092 bpf pflogd 63676 402718 1 0 3 0x80 sbwait pflogd 46780 342955 72591 73 3 0x1100090 kqread syslogd 72591 147014 1 0 3 0x100082 sbwait syslogd 1202 107421 1 0 3 0x100080 kqread resolvd 46982 441111 84127 77 3 0x100092 kqread dhcpleased 81680 342205 84127 77 3 0x100092 kqread dhcpleased 84127 146842 1 0 3 0x80 kqread dhcpleased 54046 76296 0 0 3 0x14200 bored smr 64511 371484 0 0 2 0x14200 zerothread 44723 157278 0 0 3 0x14200 aiodoned aiodoned 82563 227683 0 0 3 0x14200 syncer update 77646 80170 0 0 3 0x14200 cleaner cleaner 42566 431200 0 0 3 0x14200 reaper reaper 84365 5010 0 0 3 0x14200 pgdaemon pagedaemon 22813 90834 0 0 3 0x14200 bored viomb 82864 23748 0 0 3 0x40014200 acpi0 acpi0 55021 270819 0 0 3 0x40014200 idle1 52543 145449 0 0 3 0x14200 bored softnet7 51591 388433 0 0 3 0x14200 bored softnet6 28722 237660 0 0 3 0x14200 bored softnet5 92416 424542 0 0 3 0x14200 bored softnet4 34183 468508 0 0 3 0x14200 bored softnet3 55333 54296 0 0 3 0x14200 bored softnet2 67433 98055 0 0 3 0x14200 bored softnet1 55547 191179 0 0 3 0x14200 bored softnet0 35188 490820 0 0 3 0x14200 bored systqmp 32283 338150 0 0 3 0x14200 bored systq 14093 346834 0 0 3 0x14200 tmoslp softclockmp 45028 224425 0 0 3 0x40014200 tmoslp softclock 52964 243449 0 0 3 0x40014200 idle0 1 467212 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 43813 (syz-executor) thread 0xffff80003c4482b8 (263317) exclusive rrwlock inode r = 0 (0xfffffd806e366ef0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 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+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 #9 VOP_CREATE+0xff sys/kern/vfs_vops.c:103 #10 vn_open+0x491 sys/kern/vfs_vnops.c:116 #11 doopenat+0x32e sys/kern/vfs_syscalls.c:1137 #12 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b5cb8f8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 vn_open+0x1f4 sys/kern/vfs_vnops.c:107 #8 doopenat+0x32e sys/kern/vfs_syscalls.c:1137 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #10 Xsyscall+0x128 Process 30479 (syz-executor) thread 0xffff80002eff07f0 (179980) exclusive rrwlock inode r = 0 (0xfffffd806b5cbc70) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x190 sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x23c sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 30479 (syz-executor) thread 0xffff8000333f8a60 (479687) exclusive rrwlock inode r = 0 (0xfffffd806e0c7ed0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 dolinkat+0xd4 sys/kern/vfs_syscalls.c:1723 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10257 11143K 12440K 166960K 13140 0 pcb 18 17K 21K 166960K 403 0 rtable 207 9K 9K 166960K 390 0 pf 40 18K 82K 166960K 144 0 ifaddr 42 7K 8K 166960K 94 0 ifgroup 58 2K 2K 166960K 155 0 sysctl 4 1K 9K 166960K 12 0 counters 74 37K 38K 166960K 188 0 ioctlops 0 0K 4K 166960K 1723 0 iov 0 0K 17K 166960K 51 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1521 96K 96K 166960K 2448 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 55 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 1031 0 sigio 0 0K 0K 166960K 75 0 proc 73 115K 164K 166960K 629 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 103 0 in_multi 91 6K 7K 166960K 130 0 ether_multi 1 0K 0K 166960K 3 0 mrt 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 512 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 250 160K 175K 166960K 10904 0 UVM aobj 22 4K 4K 166960K 22 0 pinsyscall 43 86K 106K 166960K 2138 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 1K 166960K 51 0 NDP 13 0K 2K 166960K 65 0 temp 72 8681K 8808K 166960K 46809 0 kqueue 15 24K 28K 166960K 187 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 120 168 0 165 3 0 3 3 0 8 2 rtentry 176 128 0 43 5 0 5 5 0 8 0 unpcb 144 874 0 851 9 8 1 6 0 8 0 syncache 336 9 0 9 2 2 0 1 0 8 0 tcpcb 736 366 0 361 13 10 3 7 0 8 2 arp 128 16 0 5 1 0 1 1 0 8 0 inpcb 328 1533 0 1519 25 17 8 17 0 8 5 nd6 144 23 0 4 1 0 1 1 0 8 0 pkpcb 40 7 0 7 3 3 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 2 0 1 2 1 1 1 0 8 0 ppxss 1192 54 0 50 2 1 1 1 0 8 0 pppxif 1504 4 0 4 3 3 0 1 0 8 0 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 7 0 3 1 0 1 1 0 482 0 pffrnode 88 6 0 3 1 0 1 1 0 8 0 pffrent 40 13 0 7 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 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pfstitem 24 64 0 22 1 0 1 1 0 8 0 pfstkey 128 68 0 26 2 0 2 2 0 8 0 pfstate 384 66 0 24 5 0 5 5 0 8 0 pfrule 1344 26 0 19 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 544 0 146 30 2 28 30 0 8 1 art_table 40 547 0 146 5 0 5 5 0 8 0 art_node 32 127 0 52 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 49 0 39 1 0 1 1 0 8 0 shmpl 112 19 0 0 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 3321 0 1817 95 0 95 95 0 8 0 ffsino 296 3321 0 1817 117 0 117 117 0 8 0 nchpl 144 4734 0 3039 63 0 63 63 0 8 0 rtmask 32 14 0 13 3 2 1 1 0 8 0 uvmvnodes 80 4125 0 0 85 0 85 85 0 8 0 vnodes 216 4125 0 0 230 0 230 230 0 8 0 namei 1024 16814 0 16811 3 2 1 2 0 8 0 percpumem 16 109 0 57 1 0 1 1 0 8 0 kstatmem 264 100 0 72 4 1 3 3 0 8 1 scsiplug 72 8 0 8 2 1 1 1 0 8 1 scxspl 216 25889 0 25887 12 11 1 8 1 8 0 plimitpl 152 380 0 362 1 0 1 1 0 8 0 sigapl 424 1363 0 1307 9 2 7 9 0 8 0 knotepl 120 534 0 0 17 0 17 17 0 8 0 kqueuepl 224 663 0 651 12 10 2 5 0 8 1 pipepl 344 209 0 182 6 3 3 6 0 8 0 fdescpl 528 1317 0 1285 3 0 3 3 0 8 0 filepl 160 9212 0 8977 33 17 16 23 0 8 4 lockfpl 104 479 0 477 2 1 1 2 0 8 0 lockfspl 48 212 0 210 1 0 1 1 0 8 0 sessionpl 144 28 0 19 1 0 1 1 0 8 0 pgrppl 48 52 0 35 1 0 1 1 0 8 0 ucredpl 104 1084 0 1070 1 0 1 1 0 8 0 zombiepl 144 1309 0 1307 1 0 1 1 0 8 0 processpl 1248 1363 0 1307 6 1 5 6 0 8 0 procpl 656 2958 0 2891 9 2 7 8 0 8 0 sosppl 168 2 0 2 2 1 1 1 0 8 1 sockpl 752 2619 0 2579 44 33 11 29 0 8 6 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 127 0 0 16 0 16 16 0 8 0 mcl2k 2048 41 0 0 6 0 6 6 0 8 0 mtagpl 96 14 0 0 1 0 1 1 0 8 0 mbufpl 256 411 0 0 26 0 26 26 0 8 0 bufpl 280 10231 0 4089 439 0 439 439 0 8 0 anonpl 32 11541 0 0 94 0 94 94 0 246 0 amapchunkpl 152 42651 0 42120 54 22 32 38 0 158 10 amappl16 200 4825 0 4732 38 23 15 25 0 8 7 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 127 0 115 1 0 1 1 0 8 0 amappl13 176 7 0 6 1 0 1 1 0 8 0 amappl12 168 1967 0 1935 4 1 3 3 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 3 0 3 1 1 0 1 0 8 0 amappl9 144 255 0 255 1 1 0 1 0 8 0 amappl8 136 25 0 23 1 0 1 1 0 8 0 amappl7 128 109 0 97 1 0 1 1 0 8 0 amappl6 120 180 0 177 1 0 1 1 0 8 0 amappl5 112 124 0 114 1 0 1 1 0 8 0 amappl4 104 313 0 294 1 0 1 1 0 8 0 amappl3 96 7331 0 7209 4 0 4 4 0 8 0 amappl2 88 676 0 613 2 0 2 2 0 8 0 amappl1 80 13000 0 12392 15 1 14 15 0 8 0 amappl 88 10041 0 9864 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 128 255 0 255 3 3 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 8 0 8 2 1 1 1 0 8 1 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 21 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1317 0 1285 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1317 0 1285 1 0 1 1 0 8 0 vmmpekpl 168 12366 0 12332 4 1 3 3 0 8 0 vmmpepl 168 89199 0 87079 114 13 101 108 0 357 7 vmsppl 488 1316 0 1285 5 1 4 5 0 8 0 rwobjpl 80 29762 0 24600 106 0 106 106 0 8 0 pdppl 4096 2642 0 2570 104 32 72 86 0 8 0 pvpl 32 21125 0 0 172 1 171 171 0 265 0 pmappl 256 1316 0 1285 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 312 0 51 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837feff0) 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(ffffffff83927370) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83927370) at __mp_lock+0x199 sys/kern/kern_lock.c:165 intr_handler(ffff80003c423dd0,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x704200a58810, count: 9 ddb{0}> trace x86_ipi_db(ffffffff837feff0) 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(ffffffff83927370) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83927370) at __mp_lock+0x199 sys/kern/kern_lock.c:165 intr_handler(ffff80003c423dd0,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x704200a58810, count: -6 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 dt_ioctl_record_stop(ffff8000015e2000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff80002eff0d10) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002eff0d10) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4357a0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806388da58,81,fffffd80097fb6e8,ffff80002eff0d10) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ea54a48,ffff80002eff0d10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ea54a48,ffff80002eff0d10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ea54a48,ffff80002eff0d10) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd805ea54a48,ffff80002eff0d10) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002eff0d10) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002eff0d10,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002eff0d10,ffff80003c435b10,ffff80003c435a60) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c435b10) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c435b10) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x728d36ae5a10, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff8000015e2000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff80002eff0d10) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002eff0d10) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4357a0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806388da58,81,fffffd80097fb6e8,ffff80002eff0d10) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ea54a48,ffff80002eff0d10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ea54a48,ffff80002eff0d10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ea54a48,ffff80002eff0d10) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd805ea54a48,ffff80002eff0d10) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002eff0d10) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002eff0d10,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002eff0d10,ffff80003c435b10,ffff80003c435a60) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c435b10) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c435b10) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x728d36ae5a10, count: -12