uvm_fault(0xfffffd806c0845c0, 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 223811 87874 0 0 0x1 0 syz-executor dt_ioctl_record_stop(ffff800001489000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,1,2000,ffff80002a2962b0) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a2962b0) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c421150) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f97d608,1,fffffd80097fb208,ffff80002a2962b0) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80689089b0,ffff80002a2962b0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80689089b0,ffff80002a2962b0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80689089b0,ffff80002a2962b0) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd80689089b0,ffff80002a2962b0) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a2962b0) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a2962b0,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a2962b0,ffff80003c4214c0,ffff80003c421410) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4214c0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4214c0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e83a9e192e0, 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(0xfffffd806c0845c0, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff800001489000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,1,2000,ffff80002a2962b0) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a2962b0) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c421150) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f97d608,1,fffffd80097fb208,ffff80002a2962b0) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80689089b0,ffff80002a2962b0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80689089b0,ffff80002a2962b0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80689089b0,ffff80002a2962b0) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd80689089b0,ffff80002a2962b0) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a2962b0) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a2962b0,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a2962b0,ffff80003c4214c0,ffff80003c421410) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4214c0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4214c0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e83a9e192e0, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c421080 rbx 0xffffffff828db070 dtclose rdx 0 rcx 0xffff80002a2962b0 rax 0xffffffff837f1dd8 dt_prov_syscall r8 0xffffffffffffffff r9 0x1 r10 0x818d3ef9d88e626a r11 0x7ad92d7694559c94 r12 0xffff800000b30400 r13 0 r14 0 r15 0xffff8000014f7a00 rip 0xffffffff828db450 dt_ioctl_record_stop+0xf0 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80003c421050 ss 0 dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 ddb{1}> show proc PROC (syz-executor) tid=344361 pid=72975 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a2962b0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000ffffcf68,0xffff80002a2967e0 process=0xffff8000357f9380 user=0xffff80003c41c000, vmspace=0xfffffd806c0845c0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28946 226942 42943 0 2 0 syz-executor 28946 465766 42943 0 3 0x4000080 fsleep syz-executor 70747 190476 37284 0 2 0 syz-executor 70747 327689 37284 0 3 0x4000080 fsleep syz-executor 54103 480599 48128 0 2 0 syz-executor 54103 49222 48128 0 3 0x4000080 fsleep syz-executor 33101 57783 53096 0 2 0 syz-executor 33101 444800 53096 0 3 0x4000080 fsleep syz-executor 18797 355462 71822 0 2 0 syz-executor 18797 247207 71822 0 3 0x4000080 fsleep syz-executor 18797 242722 71822 0 3 0x4000080 fsleep syz-executor 91590 364526 7148 0 3 0x80 nanoslp syz-executor 91590 417704 7148 0 3 0x4000080 fsleep syz-executor 91590 52605 7148 0 3 0x4000080 lockf syz-executor 91590 184025 7148 0 3 0x4000080 fsleep syz-executor 87874 223811 36792 0 7 0x1 syz-executor 87874 321106 36792 0 3 0x4000080 netcon syz-executor 87874 112028 36792 0 3 0x4000080 fsleep syz-executor 56362 257348 0 0 3 0x14200 bored sosplice 71822 246544 24171 0 3 0x82 nanoslp syz-executor 7148 412618 24171 0 2 0xc82 syz-executor 53096 135309 24171 0 3 0x82 nanoslp syz-executor 37284 204084 24171 0 3 0x82 nanoslp syz-executor 15695 2101 24171 0 2 0xc82 syz-executor 36792 393295 24171 0 3 0x82 nanoslp syz-executor 42943 293235 24171 0 3 0x82 nanoslp syz-executor 48128 477763 24171 0 2 0xc82 syz-executor 24171 287449 11548 0 3 0x82 kqread syz-executor 11548 139970 24403 0 3 0x10008a sigsusp ksh 24403 39053 97288 0 3 0x98 kqread sshd-session 97288 443348 55072 0 3 0x92 kqread sshd-session 64659 415131 1 0 3 0x100083 ttyin getty 55072 303973 1 0 3 0x88 kqread sshd 54742 9703 83735 74 3 0x1100092 bpf pflogd 83735 395301 1 0 3 0x80 sbwait pflogd 46000 480508 30960 73 3 0x1100090 kqread syslogd 30960 79212 1 0 3 0x100082 sbwait syslogd 39102 57350 1 0 3 0x100080 kqread resolvd 17513 484419 40845 77 3 0x100092 kqread dhcpleased 63374 179748 40845 77 3 0x100092 kqread dhcpleased 40845 247599 1 0 3 0x80 kqread dhcpleased 61588 320874 0 0 3 0x14200 bored smr 5277 385166 0 0 3 0x14200 pgzero zerothread 48792 279331 0 0 3 0x14200 aiodoned aiodoned 12365 455866 0 0 3 0x14200 syncer update 68981 254249 0 0 3 0x14200 cleaner cleaner 15072 179635 0 0 3 0x14200 reaper reaper 99300 501572 0 0 3 0x14200 pgdaemon pagedaemon 68928 25069 0 0 3 0x14200 bored viomb 90104 229367 0 0 3 0x40014200 acpi0 acpi0 41613 104607 0 0 3 0x40014200 idle1 56703 11436 0 0 3 0x14200 bored softnet3 84219 235784 0 0 3 0x14200 bored softnet2 3157 336864 0 0 3 0x14200 bored softnet1 9424 280974 0 0 3 0x14200 bored softnet0 65681 285955 0 0 3 0x14200 bored systqmp 82494 490953 0 0 3 0x14200 bored systq 65464 506244 0 0 3 0x14200 tmoslp softclockmp 24093 329612 0 0 3 0x40014200 tmoslp softclock 28456 86537 0 0 3 0x40014200 idle0 1 337160 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10220 11191K 11442K 166960K 11751 0 pcb 20 12K 12K 166960K 65 0 rtable 204 8K 9K 166960K 447 0 pf 34 17K 19K 166960K 87 0 ifaddr 40 6K 8K 166960K 69 0 ifgroup 55 2K 2K 166960K 108 0 sysctl 4 1K 9K 166960K 10 0 counters 68 36K 38K 166960K 258 0 ioctlops 0 0K 4K 166960K 1603 0 iov 0 0K 16K 166960K 11 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1345 85K 85K 166960K 1637 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 20 0 dirhash 12 2K 3K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 473 0 sigio 0 0K 0K 166960K 77 0 proc 72 91K 128K 166960K 584 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 32 0 in_multi 87 6K 7K 166960K 114 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 416 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 258 173K 173K 166960K 6144 0 UVM aobj 8 2K 2K 166960K 8 0 pinsyscall 43 86K 110K 166960K 1588 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 16 0 NDP 12 0K 2K 166960K 45 0 temp 49 8685K 8752K 166960K 23708 0 kqueue 14 22K 28K 166960K 100 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 54 0 51 1 0 1 1 0 8 0 rtentry 176 137 0 49 6 0 6 6 0 8 1 unpcb 144 251 0 233 4 1 3 4 0 8 2 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 84 0 79 1 0 1 1 0 8 0 arp 128 25 0 11 1 0 1 1 0 8 0 inpcb 328 328 0 316 4 0 4 4 0 8 2 nd6 144 25 0 3 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 88 0 88 1 0 1 1 0 8 1 pppxif 1504 5 0 5 1 0 1 1 0 8 1 pffrag 232 3 0 0 1 0 1 1 0 482 0 pffrnode 88 3 0 0 1 0 1 1 0 8 0 pffrent 40 3 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 34 0 1 1 0 1 1 0 8 0 pfstkey 128 34 0 1 2 0 2 2 0 8 0 pfstate 384 34 0 1 4 0 4 4 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 542 0 110 29 0 29 29 0 8 2 art_table 32 544 0 110 4 0 4 4 0 8 0 art_node 16 134 0 56 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 5 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 17 0 7 1 0 1 1 0 8 0 shmpl 112 5 0 0 1 0 1 1 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 2183 0 679 95 0 95 95 0 8 0 ffsino 288 2183 0 679 109 0 109 109 0 8 0 nchpl 144 2834 0 1143 63 0 63 63 0 8 0 rtmask 32 5 0 5 1 0 1 1 0 8 1 uvmvnodes 80 2427 0 0 50 0 50 50 0 8 0 vnodes 216 2427 0 0 135 0 135 135 0 8 0 namei 1024 9237 0 9237 2 1 1 2 0 8 1 percpumem 16 144 0 95 1 0 1 1 0 8 0 kstatmem 264 60 0 34 3 1 2 3 0 8 0 scxspl 216 10763 0 10763 3 2 1 2 1 8 1 plimitpl 152 52 0 35 1 0 1 1 0 8 0 sigapl 424 783 0 732 7 1 6 7 0 8 0 knotepl 120 600 0 0 19 0 19 19 0 8 0 kqueuepl 224 168 0 157 2 0 2 2 0 8 1 pipepl 336 129 0 102 3 0 3 3 0 8 0 fdescpl 520 764 0 732 3 0 3 3 0 8 0 filepl 160 3707 0 3475 16 0 16 16 0 8 6 lockfpl 104 105 0 99 1 0 1 1 0 8 0 lockfspl 48 44 0 39 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 30 0 13 1 0 1 1 0 8 0 ucredpl 104 449 0 436 1 0 1 1 0 8 0 zombiepl 144 733 0 732 1 0 1 1 0 8 0 processpl 1240 783 0 732 5 0 5 5 0 8 0 procpl 656 1338 0 1276 6 0 6 6 0 8 0 srpgc 96 2 0 2 1 0 1 1 0 8 1 sosppl 168 6 0 5 1 0 1 1 0 8 0 sockpl 728 639 0 604 9 1 8 9 0 8 4 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 117 0 0 15 0 15 15 0 8 0 mcl2k 2048 21 0 0 3 0 3 3 0 8 0 mtagpl 96 9 0 0 1 0 1 1 0 8 0 mbufpl 256 163 0 0 10 0 10 10 0 8 0 bufpl 280 4921 0 123 343 0 343 343 0 8 0 anonpl 32 12087 0 0 98 0 98 98 0 246 0 amapchunkpl 152 18891 0 18241 31 0 31 31 0 158 4 amappl16 200 2606 0 2513 23 13 10 16 0 8 1 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 112 0 100 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 1 0 1 0 8 0 amappl12 168 1422 0 1390 4 1 3 3 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 5 0 5 1 1 0 1 0 8 0 amappl9 144 252 0 252 1 1 0 1 0 8 0 amappl8 136 45 0 42 1 0 1 1 0 8 0 amappl7 128 107 0 95 1 0 1 1 0 8 0 amappl6 120 177 0 174 1 0 1 1 0 8 0 amappl5 112 124 0 114 1 0 1 1 0 8 0 amappl4 104 331 0 311 1 0 1 1 0 8 0 amappl3 96 3512 0 3396 4 0 4 4 0 8 0 amappl2 88 642 0 579 2 0 2 2 0 8 0 amappl1 80 9637 0 9033 15 2 13 15 0 8 0 amappl 88 5384 0 5200 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 764 0 732 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 764 0 732 1 0 1 1 0 8 0 vmmpekpl 168 7674 0 7635 3 0 3 3 0 8 0 vmmpepl 168 53398 0 51306 100 0 100 100 0 357 6 vmsppl 480 763 0 732 5 1 4 5 0 8 0 rwobjpl 72 19004 0 15568 63 0 63 63 0 8 0 pdppl 4096 1536 0 1464 102 30 72 86 0 8 0 pvpl 32 21035 0 0 170 0 170 170 0 265 0 pmappl 256 763 0 732 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 384 0 34 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837e5ff0) 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(ffffffff838f3e88) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:129 [inline] __mp_lock(ffffffff838f3e88) at __mp_lock+0x192 sys/kern/kern_lock.c:160 ktrsysret(ffff80002a2979c0,5b,0,ffff80003c42d270) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a2979c0,5b,0,ffff80003c42d270) at ktrsysret+0xde sys/kern/kern_ktrace.c:209 syscall(ffff80003c42d320) at syscall+0xa43 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80003c42d320) at syscall+0xa43 sys/arch/amd64/amd64/trap.c:600 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ecf8c56de10, count: 8 ddb{0}> trace x86_ipi_db(ffffffff837e5ff0) 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(ffffffff838f3e88) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:129 [inline] __mp_lock(ffffffff838f3e88) at __mp_lock+0x192 sys/kern/kern_lock.c:160 ktrsysret(ffff80002a2979c0,5b,0,ffff80003c42d270) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a2979c0,5b,0,ffff80003c42d270) at ktrsysret+0xde sys/kern/kern_ktrace.c:209 syscall(ffff80003c42d320) at syscall+0xa43 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80003c42d320) at syscall+0xa43 sys/arch/amd64/amd64/trap.c:600 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ecf8c56de10, count: -7 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 dt_ioctl_record_stop(ffff800001489000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,1,2000,ffff80002a2962b0) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a2962b0) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c421150) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f97d608,1,fffffd80097fb208,ffff80002a2962b0) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80689089b0,ffff80002a2962b0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80689089b0,ffff80002a2962b0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80689089b0,ffff80002a2962b0) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd80689089b0,ffff80002a2962b0) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a2962b0) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a2962b0,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a2962b0,ffff80003c4214c0,ffff80003c421410) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4214c0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4214c0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e83a9e192e0, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff800001489000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,1,2000,ffff80002a2962b0) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a2962b0) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c421150) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f97d608,1,fffffd80097fb208,ffff80002a2962b0) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80689089b0,ffff80002a2962b0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80689089b0,ffff80002a2962b0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80689089b0,ffff80002a2962b0) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd80689089b0,ffff80002a2962b0) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a2962b0) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a2962b0,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a2962b0,ffff80003c4214c0,ffff80003c421410) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4214c0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4214c0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e83a9e192e0, count: -12