uvm_fault(0xfffffd806b7d9738, 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 485232 47008 0 0x14000 0x200 0 reaper dt_ioctl_record_stop(ffff80000149d000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:579 dtclose(11e5f,81,2000,ffff8000ffffc530) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000ffffc530) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003a0c20f0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f43e948,81,fffffd807f7d2618,ffff8000ffffc530) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b7727d0,ffff8000ffffc530) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b7727d0,ffff8000ffffc530) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b7727d0,ffff8000ffffc530) at fdrop+0x126 sys/kern/kern_descrip.c:1265 closef(fffffd806b7727d0,ffff8000ffffc530) at closef+0x192 sys/kern/kern_descrip.c:1249 fdfree(ffff8000ffffc530) at fdfree+0x116 sys/kern/kern_descrip.c:1181 exit1(ffff8000ffffc530,0,0,1) at exit1+0x58f sys/kern/kern_exit.c:214 sys_exit(ffff8000ffffc530,ffff80003a0c2460,ffff80003a0c23b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003a0c2460) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a0c2460) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x783d5be09690, 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(0xfffffd806b7d9738, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff80000149d000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:579 dtclose(11e5f,81,2000,ffff8000ffffc530) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000ffffc530) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003a0c20f0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f43e948,81,fffffd807f7d2618,ffff8000ffffc530) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b7727d0,ffff8000ffffc530) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b7727d0,ffff8000ffffc530) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b7727d0,ffff8000ffffc530) at fdrop+0x126 sys/kern/kern_descrip.c:1265 closef(fffffd806b7727d0,ffff8000ffffc530) at closef+0x192 sys/kern/kern_descrip.c:1249 fdfree(ffff8000ffffc530) at fdfree+0x116 sys/kern/kern_descrip.c:1181 exit1(ffff8000ffffc530,0,0,1) at exit1+0x58f sys/kern/kern_exit.c:214 sys_exit(ffff8000ffffc530,ffff80003a0c2460,ffff80003a0c23b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003a0c2460) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a0c2460) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x783d5be09690, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003a0c2020 rbx 0xffffffff817bbbb0 dtclose rdx 0 rcx 0xffff8000ffffc530 rax 0xffffffff83821d70 dt_prov_syscall r8 0 r9 0x1 r10 0xe9a38a066575242c r11 0x4d41e9639a008080 r12 0xffff80000006ca80 r13 0 r14 0 r15 0xffff8000014bdd00 rip 0xffffffff817bbf90 dt_ioctl_record_stop+0xf0 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80003a0c1ff0 ss 0x10 dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 ddb{1}> show proc PROC (syz-executor) tid=365480 pid=4670 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000ffffc530 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a381218,0xffff8000ffffcf80 process=0xffff8000ffff84b0 user=0xffff80003a0bd000, vmspace=0xfffffd806b7d9738 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 35839 512134 98297 0 3 0x80 nanoslp syz-executor 35839 254418 98297 0 3 0x4000080 wsevent_read syz-executor 35839 494016 98297 0 3 0x4000080 fsleep syz-executor 89894 18251 20212 0 3 0x80 nanoslp syz-executor 89894 230019 20212 0 3 0x4000080 kqsel syz-executor 89894 496851 20212 0 3 0x4000080 fsleep syz-executor 49415 223945 71318 0 3 0x80 nanoslp syz-executor 49415 194022 71318 0 3 0x4000080 ttyout syz-executor 49415 264308 71318 0 3 0x4000080 fsleep syz-executor 49415 434353 71318 0 3 0x4000080 fsleep syz-executor 49726 501160 26007 0 3 0x80 nanoslp syz-executor 49726 301648 26007 0 3 0x4000080 kqsel syz-executor 49726 356058 26007 0 3 0x4000080 fsleep syz-executor 21760 328238 677 0 3 0x80 nanoslp syz-executor 21760 47718 677 0 3 0x4000080 kqsel syz-executor 21760 237467 677 0 3 0x4000080 fsleep syz-executor 21760 77098 677 0 3 0x4000080 fsleep syz-executor 8969 512206 0 0 3 0x14200 bored sosplice 35972 334897 12356 0 3 0x82 wait syz-executor 71318 308266 12356 0 2 0x2 syz-executor 65607 472356 12356 0 3 0x2 biowait syz-executor 98297 396495 12356 0 3 0x82 nanoslp syz-executor 677 286942 12356 0 3 0x82 nanoslp syz-executor 20212 418279 12356 0 3 0x82 nanoslp syz-executor 26007 415931 12356 0 3 0x82 nanoslp syz-executor 96397 23644 12356 0 3 0x82 nanoslp syz-executor 12356 291978 59486 0 3 0x82 kqread syz-executor 59486 214158 59692 0 3 0x10008a sigsusp ksh 59692 443733 9740 0 3 0x98 kqread sshd-session 9740 1745 82464 0 3 0x92 kqread sshd-session 58703 113900 1 0 3 0x100083 ttyin getty 82464 334925 1 0 3 0x88 kqread sshd 51079 89939 86164 74 3 0x1100092 bpf pflogd 86164 32140 1 0 3 0x80 sbwait pflogd 61999 98343 40168 73 3 0x1100090 kqread syslogd 40168 403126 1 0 3 0x100082 sbwait syslogd 78739 43325 1 0 3 0x100080 kqread resolvd 25290 161472 90456 77 3 0x100092 kqread dhcpleased 88451 485856 90456 77 3 0x100092 kqread dhcpleased 90456 101242 1 0 3 0x80 kqread dhcpleased 64279 472884 0 0 3 0x14200 bored smr 82935 468448 0 0 3 0x14200 pgzero zerothread 70035 183880 0 0 3 0x14200 aiodoned aiodoned 16175 447039 0 0 3 0x14200 syncer update 18082 477458 0 0 3 0x14200 cleaner cleaner 47008 485232 0 0 7 0x14200 reaper 89517 61924 0 0 3 0x14200 pgdaemon pagedaemon 15998 58016 0 0 3 0x14200 bored viomb 30145 427972 0 0 3 0x40014200 acpi0 acpi0 68280 180994 0 0 3 0x40014200 idle1 10559 213205 0 0 3 0x14200 bored softnet3 11599 59950 0 0 3 0x14200 bored softnet2 93953 442490 0 0 3 0x14200 bored softnet1 44874 372538 0 0 3 0x14200 bored softnet0 91230 411598 0 0 3 0x14200 bored systqmp 70514 181267 0 0 3 0x14200 bored systq 48773 201236 0 0 3 0x14200 tmoslp softclockmp 42536 174867 0 0 3 0x40014200 tmoslp softclock 81587 204141 0 0 3 0x40014200 idle0 1 455392 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 65607 (syz-executor) thread 0xffff80002a2f87b8 (472356) exclusive rrwlock inode r = 0 (0xfffffd806aa432d0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:694 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cf6f1f0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 47008 (reaper) thread 0xffff80002a2f9488 (485232) exclusive rwlock kmmaplk r = 0 (0xffffffff838f9cf0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #3 uvm_unmap+0x81 sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:831 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:285 #6 reaper+0x1fe sys/kern/kern_exit.c:467 #7 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10209 11176K 11412K 166960K 11567 0 pcb 21 13K 14K 166960K 111 0 rtable 152 6K 7K 166960K 378 0 pf 33 17K 145K 166960K 78 0 ifaddr 32 5K 8K 166960K 58 0 ifgroup 47 2K 2K 166960K 79 0 sysctl 4 1K 2K 166960K 5 0 counters 60 35K 37K 166960K 88 0 ioctlops 0 0K 4K 166960K 1505 0 iov 0 0K 12K 166960K 51 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1341 84K 85K 166960K 1499 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 46 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 365 0 sigio 0 0K 0K 166960K 2 0 proc 75 103K 140K 166960K 553 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 47 0 in_multi 68 5K 7K 166960K 109 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 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 404 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 255 172K 181K 166960K 5016 0 UVM aobj 10 2K 4K 166960K 14 0 pinsyscall 42 84K 106K 166960K 1453 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 12 0 NDP 10 0K 2K 166960K 35 0 temp 48 8684K 8750K 166960K 9586 0 kqueue 14 22K 26K 166960K 58 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 50 0 47 1 0 1 1 0 8 0 rtentry 168 116 0 52 5 0 5 5 0 8 0 unpcb 144 222 0 203 4 0 4 4 0 8 3 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 57 0 53 1 0 1 1 0 8 0 arp 120 18 0 6 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 2 0 2 1 1 0 1 0 8 0 inpcb 376 327 0 311 5 0 5 5 0 8 3 nd6 136 25 0 11 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 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1168 8 0 8 1 0 1 1 0 8 1 pppxif 1480 3 0 3 1 0 1 1 0 8 1 pfstscr 40 1 0 1 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 4 0 1 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 4 0 1 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 31 0 0 1 0 1 1 0 8 0 pfstkey 128 33 0 2 1 0 1 1 0 8 0 pfstate 376 32 0 1 4 0 4 4 0 8 0 pfrule 1344 23 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 492 0 173 28 0 28 28 0 8 1 art_table 32 493 0 173 4 0 4 4 0 8 0 art_node 16 113 0 55 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 3 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 44 0 34 1 0 1 1 0 8 0 shmpl 112 11 0 4 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 1943 0 437 95 0 95 95 0 8 0 ffsino 280 1943 0 437 109 0 109 109 0 8 0 nchpl 144 2444 0 757 63 0 63 63 0 8 0 rtmask 32 2 0 2 1 0 1 1 0 8 1 uvmvnodes 80 2116 0 0 44 0 44 44 0 8 0 vnodes 216 2116 0 0 118 0 118 118 0 8 0 namei 1024 8428 0 8428 2 1 1 2 0 8 1 percpumem 16 58 0 14 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 38 0 18 3 0 3 3 0 8 1 scxspl 216 7910 0 7908 3 2 1 2 1 8 0 plimitpl 152 149 0 131 1 0 1 1 0 8 0 sigapl 424 667 0 617 7 1 6 7 0 8 0 futexpl 64 3838 0 3831 1 0 1 1 0 8 0 knotepl 120 303 0 0 10 0 10 10 0 8 0 kqueuepl 216 132 0 119 3 0 3 3 0 8 2 pipepl 328 117 0 90 3 0 3 3 0 8 0 fdescpl 504 648 0 617 5 0 5 5 0 8 0 filepl 152 3191 0 2959 12 0 12 12 0 8 2 lockfpl 104 50 0 48 1 0 1 1 0 8 0 lockfspl 48 22 0 20 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 35 0 18 1 0 1 1 0 8 0 ucredpl 104 458 0 445 1 0 1 1 0 8 0 zombiepl 144 619 0 617 1 0 1 1 0 8 0 processpl 1176 667 0 617 5 1 4 5 0 8 0 procpl 656 1062 0 998 6 0 6 6 0 8 0 srpgc 96 4 0 4 1 0 1 1 0 8 1 sosppl 168 2 0 2 1 0 1 1 0 8 1 sockpl 688 603 0 565 10 0 10 10 0 8 6 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k 2048 28 0 0 4 0 4 4 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 190 0 0 12 0 12 12 0 8 0 bufpl 280 2822 0 122 193 0 193 193 0 8 0 anonpl 24 123241 0 119806 47 1 46 46 0 184 21 amapchunkpl 152 15510 0 14979 27 0 27 27 0 158 6 amappl16 200 2437 0 2408 16 5 11 14 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 116 0 103 1 0 1 1 0 8 0 amappl13 176 7 0 6 1 0 1 1 0 8 0 amappl12 168 1295 0 1264 3 1 2 2 0 8 0 amappl11 160 48 0 34 1 0 1 1 0 8 0 amappl10 152 8 0 8 2 2 0 1 0 8 0 amappl9 144 259 0 259 1 1 0 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 105 0 93 1 0 1 1 0 8 0 amappl6 120 191 0 187 1 0 1 1 0 8 0 amappl5 112 121 0 112 1 0 1 1 0 8 0 amappl4 104 315 0 293 1 0 1 1 0 8 0 amappl3 96 2818 0 2697 5 1 4 4 0 8 0 amappl2 88 634 0 572 2 0 2 2 0 8 0 amappl1 80 9124 0 8514 15 1 14 15 0 8 1 amappl 88 4291 0 4112 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 13 0 4 1 0 1 1 0 8 0 uaddrrnd 24 648 0 617 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 648 0 617 1 0 1 1 0 8 0 vmmpekpl 168 6972 0 6936 2 0 2 2 0 8 0 vmmpepl 168 46967 0 44961 98 0 98 98 0 357 6 vmsppl 456 647 0 617 5 0 5 5 0 8 1 rwobjpl 64 17382 0 14302 51 0 51 51 0 8 1 pdppl 4096 1304 0 1234 104 32 72 86 0 8 2 pvpl 32 13711 0 0 111 0 111 111 0 265 0 pmappl 248 647 0 617 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 280 0 36 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837c6ff0) 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(ffffffff83986758) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83986758) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a3098a0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f _rb_insert(ffffffff836f5748,fffffd807f7e2f58,fffffd806c04d890) at _rb_insert+0xe5 sys/kern/subr_tree.c:410 uaddr_bestfit_insert(ffffffff838f9bf0,fffffd807f7e2f40,fffffd806c04d890) at uaddr_bestfit_insert+0x46 sys/uvm/uvm_addr.c:-1 uvm_mapent_free_insert(ffffffff838f9bf0,fffffd807f7e2f40,fffffd806c04d890) at uvm_mapent_free_insert+0x11f sys/uvm/uvm_map.c:373 uvm_map_clip_start(ffffffff838f9bf0,fffffd806c04de78,ffff80003c52d000) at uvm_map_clip_start+0x127 sys/uvm/uvm_map.c:4630 uvm_unmap_remove(ffffffff838f9bf0,ffff80003c52d000,ffff80003c533000,ffff80002a309b98,0,1,81f0aaf7cd411d07) at uvm_unmap_remove+0x4dd sys/uvm/uvm_map.c:-1 uvm_unmap(ffffffff838f9bf0,ffff80003c52d000,ffff80003c533000) at uvm_unmap+0xab vm_map_unlock_ln sys/uvm/uvm_map.c:-1 [inline] uvm_unmap(ffffffff838f9bf0,ffff80003c52d000,ffff80003c533000) at uvm_unmap+0xab sys/uvm/uvm_map.c:1793 km_free(ffff80003c52d000,6000,ffffffff83498480,ffffffff8358f870) at km_free+0x87 sys/uvm/uvm_km.c:831 uvm_uarea_free(ffff8000ffffc010) at uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:285 end trace frame: 0xffff80002a309ce0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff837c6ff0) 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(ffffffff83986758) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83986758) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a3098a0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f _rb_insert(ffffffff836f5748,fffffd807f7e2f58,fffffd806c04d890) at _rb_insert+0xe5 sys/kern/subr_tree.c:410 uaddr_bestfit_insert(ffffffff838f9bf0,fffffd807f7e2f40,fffffd806c04d890) at uaddr_bestfit_insert+0x46 sys/uvm/uvm_addr.c:-1 uvm_mapent_free_insert(ffffffff838f9bf0,fffffd807f7e2f40,fffffd806c04d890) at uvm_mapent_free_insert+0x11f sys/uvm/uvm_map.c:373 uvm_map_clip_start(ffffffff838f9bf0,fffffd806c04de78,ffff80003c52d000) at uvm_map_clip_start+0x127 sys/uvm/uvm_map.c:4630 uvm_unmap_remove(ffffffff838f9bf0,ffff80003c52d000,ffff80003c533000,ffff80002a309b98,0,1,81f0aaf7cd411d07) at uvm_unmap_remove+0x4dd sys/uvm/uvm_map.c:-1 uvm_unmap(ffffffff838f9bf0,ffff80003c52d000,ffff80003c533000) at uvm_unmap+0xab vm_map_unlock_ln sys/uvm/uvm_map.c:-1 [inline] uvm_unmap(ffffffff838f9bf0,ffff80003c52d000,ffff80003c533000) at uvm_unmap+0xab sys/uvm/uvm_map.c:1793 km_free(ffff80003c52d000,6000,ffffffff83498480,ffffffff8358f870) at km_free+0x87 sys/uvm/uvm_km.c:831 uvm_uarea_free(ffff8000ffffc010) at uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:285 reaper(ffff80002a2f9488) at reaper+0x1fe sys/kern/kern_exit.c:467 end trace frame: 0x0, count: -15 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 dt_ioctl_record_stop(ffff80000149d000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:579 dtclose(11e5f,81,2000,ffff8000ffffc530) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000ffffc530) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003a0c20f0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f43e948,81,fffffd807f7d2618,ffff8000ffffc530) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b7727d0,ffff8000ffffc530) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b7727d0,ffff8000ffffc530) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b7727d0,ffff8000ffffc530) at fdrop+0x126 sys/kern/kern_descrip.c:1265 closef(fffffd806b7727d0,ffff8000ffffc530) at closef+0x192 sys/kern/kern_descrip.c:1249 fdfree(ffff8000ffffc530) at fdfree+0x116 sys/kern/kern_descrip.c:1181 exit1(ffff8000ffffc530,0,0,1) at exit1+0x58f sys/kern/kern_exit.c:214 sys_exit(ffff8000ffffc530,ffff80003a0c2460,ffff80003a0c23b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003a0c2460) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a0c2460) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x783d5be09690, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff80000149d000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:579 dtclose(11e5f,81,2000,ffff8000ffffc530) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000ffffc530) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003a0c20f0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f43e948,81,fffffd807f7d2618,ffff8000ffffc530) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b7727d0,ffff8000ffffc530) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b7727d0,ffff8000ffffc530) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b7727d0,ffff8000ffffc530) at fdrop+0x126 sys/kern/kern_descrip.c:1265 closef(fffffd806b7727d0,ffff8000ffffc530) at closef+0x192 sys/kern/kern_descrip.c:1249 fdfree(ffff8000ffffc530) at fdfree+0x116 sys/kern/kern_descrip.c:1181 exit1(ffff8000ffffc530,0,0,1) at exit1+0x58f sys/kern/kern_exit.c:214 sys_exit(ffff8000ffffc530,ffff80003a0c2460,ffff80003a0c23b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003a0c2460) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a0c2460) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x783d5be09690, count: -12