uvm_fault(0xfffffd805b60cd80, 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 241406 93271 0 0 0 0 syz-executor dt_ioctl_record_stop(ffff800001493000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003b41cfb8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003b41cfb8) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff8000398159c0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805be53990,81,fffffd80097fb4e0,ffff80003b41cfb8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80697c89a8,ffff80003b41cfb8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80697c89a8,ffff80003b41cfb8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80697c89a8,ffff80003b41cfb8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80697c89a8,ffff80003b41cfb8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003b41cfb8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003b41cfb8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003b41cfb8,ffff800039815d30,ffff800039815c80) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800039815d30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800039815d30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79c228910800, 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(0xfffffd805b60cd80, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff800001493000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003b41cfb8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003b41cfb8) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff8000398159c0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805be53990,81,fffffd80097fb4e0,ffff80003b41cfb8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80697c89a8,ffff80003b41cfb8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80697c89a8,ffff80003b41cfb8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80697c89a8,ffff80003b41cfb8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80697c89a8,ffff80003b41cfb8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003b41cfb8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003b41cfb8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003b41cfb8,ffff800039815d30,ffff800039815c80) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800039815d30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800039815d30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79c228910800, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff8000398158f0 rbx 0x1 rdx 0 rcx 0xffff80003b41cfb8 rax 0xffffffff837fc610 dt_prov_syscall r8 0x2 r9 0x1 r10 0x2a336aabc18f71a1 r11 0xc22bcd330bfe5916 r12 0 r13 0 r14 0 r15 0xffff800001550600 rip 0xffffffff81afcf38 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff8000398158c0 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=475919 pid=42869 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003b41cfb8 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003b41d780,0xffff80003b41cd30 process=0xffff80003c473518 user=0xffff800039810000, vmspace=0xfffffd805b60cd80 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 93271 241406 59324 0 7 0 syz-executor 50182 175586 71793 0 2 0 syz-executor 50182 245962 71793 0 3 0x4000080 fsleep syz-executor 54010 295848 66534 0 3 0x3000 suspend syz-executor 54010 202980 66534 0 3 0x4081000 biowait syz-executor 54010 199386 66534 0 3 0x4081000 inode syz-executor 54010 419961 66534 0 3 0x4081000 inode syz-executor 2160 302748 35140 0 2 0 syz-executor 2160 14312 35140 0 3 0x4000080 ttyout syz-executor 36621 230940 2535 0 3 0x80 nanoslp syz-executor 36621 235200 2535 0 3 0x4000080 kqsel syz-executor 36621 115472 2535 0 3 0x4000080 fsleep syz-executor 94309 117354 16497 0 3 0x2 biowait syz-executor 80906 446891 0 0 3 0x14200 acct acct 65166 257358 1 0 3 0x80 nanoslp init 32134 131110 0 0 3 0x14200 bored sosplice 66534 132802 16497 0 3 0x82 nanoslp syz-executor 2535 2283 16497 0 3 0x82 nanoslp syz-executor 35140 70236 16497 0 3 0x82 nanoslp syz-executor 59324 189862 16497 0 3 0x82 nanoslp syz-executor 79099 291859 16497 0 3 0x82 nanoslp syz-executor 71793 229609 16497 0 3 0x82 nanoslp syz-executor 14795 426826 16497 0 3 0x82 nanoslp syz-executor 16497 234278 29333 0 2 0x2 syz-executor 29333 70825 10401 0 3 0x10008a sigsusp ksh 10401 245638 66652 0 3 0x98 kqread sshd-session 66652 256544 69505 0 3 0x92 kqread sshd-session 69505 299884 1 0 3 0x88 kqread sshd 70381 255284 84051 74 3 0x1100092 bpf pflogd 84051 412584 1 0 3 0x80 sbwait pflogd 22210 133765 46344 73 3 0x1100090 kqread syslogd 46344 185939 1 0 3 0x100082 sbwait syslogd 67845 403449 1 0 3 0x100080 kqread resolvd 55465 410585 81350 77 3 0x100092 kqread dhcpleased 57644 33566 81350 77 3 0x100092 kqread dhcpleased 81350 196357 1 0 3 0x80 kqread dhcpleased 95670 482869 0 0 3 0x14200 bored smr 9888 186090 0 0 2 0x14200 zerothread 73925 420425 0 0 3 0x14200 aiodoned aiodoned 13972 485807 0 0 3 0x14200 syncer update 92263 503534 0 0 3 0x14200 cleaner cleaner 96074 28 0 0 3 0x14200 reaper reaper 15881 457398 0 0 3 0x14200 pgdaemon pagedaemon 35679 193266 0 0 3 0x14200 bored viomb 83850 395626 0 0 3 0x40014200 acpi0 acpi0 34686 462746 0 0 3 0x40014200 idle1 35180 54317 0 0 3 0x14200 bored softnet7 73806 276661 0 0 3 0x14200 bored softnet6 34872 461547 0 0 3 0x14200 bored softnet5 14123 108065 0 0 3 0x14200 bored softnet4 90090 30035 0 0 3 0x14200 bored softnet3 43645 432837 0 0 3 0x14200 bored softnet2 17273 20836 0 0 3 0x14200 bored softnet1 70013 519477 0 0 2 0x14200 softnet0 38539 473516 0 0 3 0x14200 smrbar systqmp 5739 348057 0 0 3 0x14200 bored systq 77711 521001 0 0 3 0x14200 tmoslp softclockmp 75943 55913 0 0 3 0x40014200 tmoslp softclock 85514 22762 0 0 3 0x40014200 idle0 1 221290 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 93271 (syz-executor) thread 0xffff800035c09248 (241406) shared rwlock vmmaplk r = 0 (0xfffffd806ef81a90) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1924 #3 uvm_fault_check+0x4a sys/uvm/uvm_fault.c:741 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 #7 recall_trap+0x8 Process 54010 (syz-executor) thread 0xffff800035c08550 (202980) exclusive rrwlock inode r = 0 (0xfffffd80698ad6a8) #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 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #9 Xsyscall+0x128 Process 54010 (syz-executor) thread 0xffff80003b41ca88 (419961) exclusive rrwlock inode r = 0 (0xfffffd806be25eb8) #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 domknodat+0xb4 sys/kern/vfs_syscalls.c:1592 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #9 Xsyscall+0x128 Process 94309 (syz-executor) thread 0xffff800035c09778 (117354) exclusive rrwlock inode r = 0 (0xfffffd806e21a5b8) #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 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+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e324418) #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #9 Xsyscall+0x128 Process 38539 (systqmp) thread 0xffff8000ffffe298 (473516) shared rwlock systqmp r = 0 (0xffffffff83835738) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10241 11225K 11348K 166960K 12223 0 pcb 17 17K 19K 166960K 314 0 rtable 197 12K 12K 166960K 461 0 pf 43 19K 131090K 166960K 251 0 ifaddr 42 7K 7K 166960K 125 0 ifgroup 68 2K 2K 166960K 214 0 sysctl 4 1K 9K 166960K 13 0 counters 76 37K 38K 166960K 248 0 ioctlops 0 0K 4K 166960K 1963 0 iov 0 0K 28K 166960K 71 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1472 93K 93K 166960K 2388 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 17 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 41 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 1219 0 sigio 0 0K 0K 166960K 26 0 proc 63 99K 164K 166960K 750 0 subproc 72 4K 4K 166960K 91 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 204 0 in_multi 84 6K 7K 166960K 166 0 ether_multi 1 0K 0K 166960K 11 0 mrt 2 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 629 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 231 164K 183K 166960K 12725 0 UVM aobj 5 2K 2K 166960K 5 0 pinsyscall 41 82K 104K 166960K 2354 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 100 0 NDP 17 0K 2K 166960K 91 0 temp 78 8651K 8726K 166960K 51922 0 kqueue 13 20K 31K 166960K 285 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 120 117 0 113 1 0 1 1 0 8 0 rtentry 176 146 0 73 5 0 5 5 0 8 0 unpcb 144 1029 0 1011 7 5 2 4 0 8 1 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 458 0 452 13 6 7 7 0 8 6 arp 128 14 0 7 1 0 1 1 0 8 0 inpcb 328 1653 0 1641 21 14 7 10 0 8 5 nd6 144 29 0 11 1 0 1 1 0 8 0 pkpcb 40 4 0 4 3 2 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 75 0 73 2 1 1 1 0 8 0 pppxif 1504 4 0 4 1 1 0 1 0 8 0 pffrag 232 8 0 3 1 0 1 1 0 482 0 pffrnode 88 8 0 3 1 0 1 1 0 8 0 pffrent 40 14 0 9 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 6 0 6 3 2 1 1 0 8 1 pfanchor 1288 8 0 7 2 1 1 1 0 8 0 pftag 88 2 0 1 1 0 1 1 0 8 0 pfstitem 24 105 0 21 1 0 1 1 0 8 0 pfstkey 128 105 0 22 3 0 3 3 0 8 0 pfstate 384 104 0 21 9 0 9 9 0 8 0 pfrule 1344 33 0 28 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 725 0 306 31 1 30 30 0 8 1 art_table 40 728 0 306 5 0 5 5 0 8 0 art_node 32 144 0 79 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 17 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 34 0 24 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 36 0 19 3 0 3 3 0 8 0 dino2pl 256 3783 0 2270 96 1 95 96 0 8 0 ffsino 296 3783 0 2270 117 0 117 117 0 8 0 nchpl 144 5454 0 3750 64 0 64 64 0 8 0 rtmask 32 19 0 18 3 2 1 1 0 8 0 uvmvnodes 80 4382 0 0 90 0 90 90 0 8 0 vnodes 216 4382 0 0 244 0 244 244 0 8 0 namei 1024 18999 0 18997 3 1 2 2 0 8 1 percpumem 16 139 0 86 1 0 1 1 0 8 0 kstatmem 264 146 0 110 4 1 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 8 0 8 4 3 1 1 0 8 1 scxspl 216 24324 0 24322 11 9 2 8 1 8 1 plimitpl 152 475 0 456 1 0 1 1 0 8 0 sigapl 424 1542 0 1487 9 0 9 9 0 8 1 knotepl 120 600 0 0 18 0 18 18 0 8 0 kqueuepl 224 631 0 620 7 5 2 5 0 8 1 pipepl 344 450 0 422 19 10 9 9 0 8 6 fdescpl 528 1497 0 1466 3 0 3 3 0 8 0 filepl 160 10238 0 10011 31 13 18 20 0 8 8 lockfpl 104 627 0 624 3 1 2 2 0 8 1 lockfspl 48 220 0 217 1 0 1 1 0 8 0 sessionpl 144 25 0 17 1 0 1 1 0 8 0 pgrppl 48 53 0 37 1 0 1 1 0 8 0 ucredpl 104 1502 0 1489 1 0 1 1 0 8 0 zombiepl 144 1627 0 1624 1 0 1 1 0 8 0 processpl 1232 1542 0 1487 6 0 6 6 0 8 0 procpl 664 3400 0 3338 10 1 9 9 0 8 2 sosppl 168 9 0 9 4 3 1 1 0 8 1 sockpl 752 2853 0 2819 27 17 10 15 0 8 5 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 111 0 0 14 0 14 14 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 202 0 0 12 0 12 12 0 8 0 bufpl 280 8650 0 2507 440 0 440 440 0 8 1 anonpl 32 10898 0 0 88 0 88 88 0 246 0 amapchunkpl 152 43025 0 42545 46 14 32 32 0 158 10 amappl16 200 3986 0 3941 23 11 12 15 0 8 6 amappl15 192 5 0 4 1 0 1 1 0 8 0 amappl14 184 118 0 107 1 0 1 1 0 8 0 amappl13 176 9 0 9 2 2 0 1 0 8 0 amappl12 168 2174 0 2144 4 1 3 3 0 8 0 amappl11 160 55 0 41 1 0 1 1 0 8 0 amappl10 152 1 0 1 1 1 0 1 0 8 0 amappl9 144 248 0 248 1 1 0 1 0 8 0 amappl8 136 33 0 31 1 0 1 1 0 8 0 amappl7 128 115 0 103 1 0 1 1 0 8 0 amappl6 120 193 0 189 1 0 1 1 0 8 0 amappl5 112 141 0 130 1 0 1 1 0 8 0 amappl4 104 304 0 284 1 0 1 1 0 8 0 amappl3 96 8551 0 8441 5 1 4 4 0 8 0 amappl2 88 664 0 602 2 0 2 2 0 8 0 amappl1 80 12770 0 12198 15 2 13 15 0 8 0 amappl 88 11824 0 11663 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 7 0 7 2 1 1 1 0 8 1 dma128 128 255 0 255 3 2 1 1 0 8 1 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 22 0 21 1 0 1 1 0 8 0 aobjpl 72 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1497 0 1466 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1497 0 1466 1 0 1 1 0 8 0 vmmpekpl 168 13952 0 13913 3 0 3 3 0 8 0 vmmpepl 168 97168 0 95198 107 9 98 101 0 357 5 vmsppl 488 1496 0 1466 6 1 5 5 0 8 0 rwobjpl 80 30266 0 24975 109 0 109 109 0 8 0 pdppl 4096 3002 0 2932 106 32 74 86 0 8 4 pvpl 32 18477 0 0 151 1 150 150 0 265 0 pmappl 256 1496 0 1466 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 295 0 44 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83781ff0) 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(ffffffff839777d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839777d8) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff800035c06ce0,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 pmap_enter(fffffd806976a400,950aa5c7000,68e43000,3,21) at pmap_enter+0xd7d sys/arch/amd64/amd64/pmap.c:2959 uvm_fault_lower(ffff800035c07060,ffff800035c07098,ffff800035c06fe0) at uvm_fault_lower+0x608 sys/uvm/uvm_fault.c:1542 uvm_fault(fffffd806ef81990,950aa5c7000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800035c071f0,950aa5c7008) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800035c071f0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7cb1b2b52860, count: 2 ddb{0}> trace x86_ipi_db(ffffffff83781ff0) 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(ffffffff839777d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839777d8) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff800035c06ce0,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 pmap_enter(fffffd806976a400,950aa5c7000,68e43000,3,21) at pmap_enter+0xd7d sys/arch/amd64/amd64/pmap.c:2959 uvm_fault_lower(ffff800035c07060,ffff800035c07098,ffff800035c06fe0) at uvm_fault_lower+0x608 sys/uvm/uvm_fault.c:1542 uvm_fault(fffffd806ef81990,950aa5c7000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800035c071f0,950aa5c7008) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800035c071f0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7cb1b2b52860, count: -13 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 dt_ioctl_record_stop(ffff800001493000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003b41cfb8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003b41cfb8) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff8000398159c0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805be53990,81,fffffd80097fb4e0,ffff80003b41cfb8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80697c89a8,ffff80003b41cfb8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80697c89a8,ffff80003b41cfb8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80697c89a8,ffff80003b41cfb8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80697c89a8,ffff80003b41cfb8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003b41cfb8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003b41cfb8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003b41cfb8,ffff800039815d30,ffff800039815c80) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800039815d30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800039815d30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79c228910800, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff800001493000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003b41cfb8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003b41cfb8) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff8000398159c0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805be53990,81,fffffd80097fb4e0,ffff80003b41cfb8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80697c89a8,ffff80003b41cfb8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80697c89a8,ffff80003b41cfb8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80697c89a8,ffff80003b41cfb8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80697c89a8,ffff80003b41cfb8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003b41cfb8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003b41cfb8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003b41cfb8,ffff800039815d30,ffff800039815c80) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800039815d30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800039815d30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79c228910800, count: -12