uvm_fault(0xfffffd805d276210, 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 151834 61852 0 0x14000 0x200 0 reaper dt_ioctl_record_stop(ffff800001481000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff8000337f82b0) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000337f82b0) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4618f0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b019950,81,fffffd80097fb7b8,ffff8000337f82b0) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806438b870,ffff8000337f82b0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806438b870,ffff8000337f82b0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806438b870,ffff8000337f82b0) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806438b870,ffff8000337f82b0) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff8000337f82b0) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff8000337f82b0,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff8000337f82b0,ffff80003c461c60,ffff80003c461bb0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c461c60) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c461c60) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71ff469ace50, 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(0xfffffd805d276210, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff800001481000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff8000337f82b0) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000337f82b0) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4618f0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b019950,81,fffffd80097fb7b8,ffff8000337f82b0) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806438b870,ffff8000337f82b0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806438b870,ffff8000337f82b0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806438b870,ffff8000337f82b0) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806438b870,ffff8000337f82b0) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff8000337f82b0) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff8000337f82b0,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff8000337f82b0,ffff80003c461c60,ffff80003c461bb0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c461c60) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c461c60) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71ff469ace50, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c461820 rbx 0xffffffff81a96dc0 dtclose rdx 0 rcx 0xffff8000337f82b0 rax 0xffffffff838468e8 dt_prov_syscall r8 0x90 r9 0x1 r10 0x19168725fb67acc0 r11 0x659af27065bde02e r12 0xffff80000006ca80 r13 0 r14 0 r15 0xffff8000014ecd00 rip 0xffffffff81a971a0 dt_ioctl_record_stop+0xf0 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80003c4617f0 ss 0x10 dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 ddb{1}> show proc PROC (syz-executor) tid=184010 pid=35598 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000337f82b0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000337f9c50,0xffff8000337f99d0 process=0xffff8000398175c0 user=0xffff80003c45c000, vmspace=0xfffffd805d276210 estcpu=36, cpticks=6, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 4145 123405 83941 0 2 0 syz-executor 4145 413944 83941 0 2 0x4000000 syz-executor 7923 237030 74335 0 2 0x1000000 syz-executor 7923 304546 74335 0 3 0x5000080 sbwait syz-executor 7923 201124 74335 0 3 0x5000080 fsleep syz-executor 53157 198824 55764 0 3 0x80 nanoslp syz-executor 53157 263035 55764 0 3 0x4000080 fifor syz-executor 53157 94088 55764 0 3 0x4000080 fsleep syz-executor 53381 436045 4811 60929 3 0x90 nanoslp syz-executor 53381 77586 4811 60929 3 0x4000010 getblk syz-executor 53381 277554 4811 60929 3 0x4000090 fsleep syz-executor 67643 23288 2293 0 3 0 fltagain2 syz-executor 67643 82864 2293 0 3 0x4000000 biowait syz-executor 67643 295301 2293 0 3 0x4000000 inode syz-executor 67643 199627 2293 0 3 0x4000080 fsleep syz-executor 65495 176187 29430 0 3 0x3000 suspend syz-executor 65495 443319 29430 0 3 0x4081000 biowait syz-executor 90690 377771 0 0 3 0x14280 nfsidl nfsio 32937 55498 0 0 3 0x14280 nfsidl nfsio 13178 254124 0 0 3 0x14280 nfsidl nfsio 80148 461943 0 0 3 0x14280 nfsidl nfsio 67697 56229 0 0 3 0x14280 nfsidl nfsio 85968 287033 0 0 3 0x14280 nfsidl nfsio 21964 161262 0 0 3 0x14280 nfsidl nfsio 74156 155855 0 0 3 0x14280 nfsidl nfsio 42500 514727 0 0 3 0x14280 nfsidl nfsio 87602 489878 0 0 3 0x14280 nfsidl nfsio 55224 300959 0 0 3 0x14280 nfsidl nfsio 68938 167665 0 0 3 0x14280 nfsidl nfsio 16127 513611 0 0 3 0x14280 nfsidl nfsio 19397 281395 0 0 3 0x14280 nfsidl nfsio 39771 223672 0 0 3 0x14280 nfsidl nfsio 87049 213148 0 0 3 0x14280 nfsidl nfsio 2040 230472 0 0 3 0x14280 nfsidl nfsio 21387 337075 0 0 3 0x14280 nfsidl nfsio 84661 261229 0 0 3 0x14280 nfsidl nfsio 14687 39311 0 0 3 0x14280 nfsidl nfsio 15377 445808 96280 0 3 0x82 nanoslp syz-executor 4811 336185 96280 0 3 0x82 nanoslp syz-executor 55764 154625 96280 0 3 0x82 nanoslp syz-executor 83941 250880 96280 0 3 0x82 nanoslp syz-executor 29430 72756 96280 0 3 0x82 nanoslp syz-executor 2293 208876 96280 0 3 0x82 nanoslp syz-executor 78800 156244 96280 0 3 0x2 biowait syz-executor 74335 449633 96280 0 3 0x82 nanoslp syz-executor 96280 393055 47696 0 3 0x82 kqread syz-executor 47696 320557 32230 0 3 0x10008a sigsusp ksh 32230 466485 92209 0 3 0x98 kqread sshd-session 92209 420979 34294 0 3 0x92 kqread sshd-session 24408 392820 1 0 3 0x100083 ttyin getty 34294 121727 1 0 3 0x88 kqread sshd 95986 81471 16976 74 3 0x1100092 bpf pflogd 16976 237162 1 0 3 0x80 sbwait pflogd 14838 338847 17912 73 3 0x1100090 kqread syslogd 17912 453231 1 0 3 0x100082 sbwait syslogd 53686 493252 1 0 3 0x100080 kqread resolvd 11530 238458 96524 77 3 0x100092 kqread dhcpleased 47164 327188 96524 77 3 0x100092 kqread dhcpleased 96524 418814 1 0 3 0x80 kqread dhcpleased 70766 287136 0 0 3 0x14200 bored smr 26337 493109 0 0 3 0x14200 pgzero zerothread 84169 299808 0 0 3 0x14200 aiodoned aiodoned 10160 84661 0 0 3 0x14200 syncer update 56379 489893 0 0 3 0x14200 cleaner cleaner 61852 151834 0 0 7 0x14200 reaper 73894 230716 0 0 3 0x14200 pgdaemon pagedaemon 74769 38616 0 0 3 0x14200 bored viomb 83858 368386 0 0 3 0x40014200 acpi0 acpi0 72925 509123 0 0 3 0x40014200 idle1 52888 247114 0 0 3 0x14200 bored softnet7 34806 363680 0 0 3 0x14200 bored softnet6 394 221250 0 0 3 0x14200 bored softnet5 11566 10281 0 0 3 0x14200 bored softnet4 89091 149307 0 0 3 0x14200 bored softnet3 40364 410217 0 0 3 0x14200 bored softnet2 49272 31634 0 0 3 0x14200 bored softnet1 7886 268505 0 0 3 0x14200 bored softnet0 70702 43331 0 0 3 0x14200 bored systqmp 23140 75303 0 0 3 0x14200 bored systq 66389 500973 0 0 3 0x14200 tmoslp softclockmp 62133 26909 0 0 3 0x40014200 tmoslp softclock 90094 68779 0 0 3 0x40014200 idle0 1 85900 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 53381 (syz-executor) thread 0xffff80003980c028 (77586) exclusive rrwlock inode r = 0 (0xfffffd806365e330) #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_pwrite+0xae sys/kern/vfs_syscalls.c:3363 #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 67643 (syz-executor) thread 0xffff8000337f8a60 (82864) exclusive rrwlock inode r = 0 (0xfffffd806e372368) #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 65495 (syz-executor) thread 0xffff8000337f8540 (443319) exclusive rrwlock inode r = 0 (0xfffffd806365eec0) #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 78800 (syz-executor) thread 0xffff80002a2a8018 (156244) exclusive rrwlock inode r = 0 (0xfffffd806bf41d90) #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 vget+0x2bd sys/kern/vfs_subr.c:693 #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+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:1864 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cf1ceb0) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #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 Process 61852 (reaper) thread 0xffff8000ffffca48 (151834) exclusive rwlock kmmaplk r = 0 (0xffffffff8392aaf0) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #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:304 #6 reaper+0x1cb sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10237 11057K 11551K 166960K 11723 0 pcb 19 14K 16K 166960K 74 0 rtable 193 6K 7K 166960K 316 0 pf 34 17K 67485K 166960K 79 0 ifaddr 42 7K 8K 166960K 66 0 ifgroup 55 2K 2K 166960K 93 0 sysctl 1 1K 9K 166960K 10 0 counters 68 36K 37K 166960K 104 0 ioctlops 0 0K 4K 166960K 1555 0 iov 0 0K 12K 166960K 14 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1408 89K 89K 166960K 1691 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 8 0K 0K 166960K 10 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 387 0 sigio 0 0K 0K 166960K 4 0 proc 72 115K 164K 166960K 554 0 subproc 72 4K 4K 166960K 74 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 41 0 in_multi 98 7K 7K 166960K 124 0 ether_multi 1 0K 0K 166960K 3 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 511 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 255 160K 173K 166960K 5313 0 UVM aobj 11 2K 2K 166960K 11 0 pinsyscall 42 84K 105K 166960K 1520 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 28 0 NDP 12 0K 2K 166960K 40 0 temp 49 8677K 8741K 166960K 14089 0 kqueue 15 24K 26K 166960K 73 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 49 0 46 1 0 1 1 0 8 0 rtentry 176 108 0 25 5 0 5 5 0 8 0 unpcb 144 188 0 158 2 0 2 2 0 8 0 syncache 336 6 0 6 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 149 0 141 10 1 9 10 0 8 8 arp 128 10 0 1 1 0 1 1 0 8 0 inpcb 328 376 0 362 9 0 9 9 0 8 7 nd6 144 17 0 0 1 0 1 1 0 8 0 pkpcb 40 9 0 9 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 13 0 13 1 0 1 1 0 8 1 pppxif 1504 4 0 4 1 0 1 1 0 8 1 pffrag 232 6 0 2 1 0 1 1 0 482 0 pffrnode 88 6 0 2 1 0 1 1 0 8 0 pffrent 40 9 0 5 1 0 1 1 0 8 0 pfosfp 40 1461 0 1037 5 0 5 5 0 8 0 pfosfpen 112 1461 0 746 21 0 21 21 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 35 0 1 1 0 1 1 0 8 0 pfstkey 128 35 0 1 2 0 2 2 0 8 0 pfstate 384 35 0 1 4 0 4 4 0 8 0 pfrule 1344 22 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 553 0 129 30 0 30 30 0 8 2 art_table 40 555 0 129 5 0 5 5 0 8 0 art_node 32 108 0 35 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 8 0 2 1 0 1 1 0 8 0 shmpl 112 8 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2099 0 593 95 0 95 95 0 8 0 ffsino 296 2099 0 593 117 0 117 117 0 8 0 nchpl 144 2642 0 947 63 0 63 63 0 8 0 rtmask 32 2 0 2 1 1 0 1 0 8 0 uvmvnodes 80 2362 0 0 49 0 49 49 0 8 0 vnodes 216 2362 0 0 132 0 132 132 0 8 0 namei 1024 9036 0 9036 1 0 1 1 0 8 1 percpumem 16 67 0 18 1 0 1 1 0 8 0 kstatmem 264 50 0 24 3 0 3 3 0 8 1 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 16968 0 16903 6 2 4 4 1 8 0 plimitpl 152 95 0 76 1 0 1 1 0 8 0 sigapl 424 725 0 652 9 0 9 9 0 8 0 knotepl 120 315 0 0 10 0 10 10 0 8 0 kqueuepl 224 106 0 94 1 0 1 1 0 8 0 pipepl 344 156 0 128 3 0 3 3 0 8 0 fdescpl 528 682 0 651 3 0 3 3 0 8 0 filepl 160 3805 0 3568 16 2 14 16 0 8 4 lockfpl 104 382 0 379 2 1 1 2 0 8 0 lockfspl 48 75 0 72 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 34 0 17 1 0 1 1 0 8 0 ucredpl 104 611 0 596 1 0 1 1 0 8 0 zombiepl 144 654 0 652 1 0 1 1 0 8 0 processpl 1248 725 0 652 6 0 6 6 0 8 0 procpl 656 1174 0 1087 8 0 8 8 0 8 0 sockpl 752 634 0 587 14 3 11 14 0 8 6 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k 2048 32 0 0 4 0 4 4 0 8 0 mtagpl 96 15 0 0 1 0 1 1 0 8 0 mbufpl 256 1146 0 0 72 0 72 72 0 8 0 bufpl 280 5815 0 122 407 0 407 407 0 8 0 anonpl 32 12932 0 0 105 0 105 105 0 246 0 amapchunkpl 152 16639 0 16100 33 3 30 30 0 158 8 amappl16 200 3291 0 2984 29 12 17 22 0 8 0 amappl15 192 2 0 2 1 1 0 1 0 8 0 amappl14 184 119 0 107 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 1346 0 1315 3 1 2 2 0 8 0 amappl11 160 49 0 35 1 0 1 1 0 8 0 amappl10 152 74 0 74 1 1 0 1 0 8 0 amappl9 144 253 0 253 1 1 0 1 0 8 0 amappl8 136 99 0 96 1 0 1 1 0 8 0 amappl7 128 118 0 104 1 0 1 1 0 8 0 amappl6 120 203 0 199 1 0 1 1 0 8 0 amappl5 112 155 0 146 1 0 1 1 0 8 0 amappl4 104 319 0 299 1 0 1 1 0 8 0 amappl3 96 2994 0 2870 4 0 4 4 0 8 0 amappl2 88 673 0 609 2 0 2 2 0 8 0 amappl1 80 10083 0 9482 15 0 15 15 0 8 0 amappl 88 4546 0 4365 5 0 5 5 0 92 0 dma4096 4096 2 0 2 2 2 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 128 254 0 254 2 1 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 10 0 0 1 0 1 1 0 8 0 uaddrrnd 24 682 0 651 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 682 0 651 1 0 1 1 0 8 0 vmmpekpl 168 7460 0 7422 2 0 2 2 0 8 0 vmmpepl 168 51300 0 49019 105 0 105 105 0 357 3 vmsppl 488 681 0 651 6 1 5 5 0 8 0 rwobjpl 80 19491 0 15882 74 0 74 74 0 8 0 pdppl 4096 1372 0 1302 104 30 74 84 0 8 4 pvpl 32 19945 0 0 163 2 161 161 0 265 0 pmappl 256 681 0 651 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 346 0 34 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83805ff0) 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(ffffffff83a26468) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83a26468) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a2589e0,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp4(0,1) at __sanitizer_cov_trace_const_cmp4+0x3a sys/dev/kcov.c:231 _rb_insert(ffffffff83734778,fffffd807f7e2f58,fffffd806bb8b890) at _rb_insert+0x8c sys/kern/subr_tree.c:415 uaddr_bestfit_insert(ffffffff8392a9f0,fffffd807f7e2f40,fffffd806bb8b890) at uaddr_bestfit_insert+0x46 sys/uvm/uvm_addr.c:-1 uvm_mapent_free_insert(ffffffff8392a9f0,fffffd807f7e2f40,fffffd806bb8b890) at uvm_mapent_free_insert+0x11f sys/uvm/uvm_map.c:373 uvm_map_clip_start(ffffffff8392a9f0,fffffd806bb8b548,ffff80003c49a000) at uvm_map_clip_start+0x127 sys/uvm/uvm_map.c:4548 uvm_unmap_remove(ffffffff8392a9f0,ffff80003c49a000,ffff80003c4a0000,ffff80002a258cf8,0,1,29314b21706c0da3) at uvm_unmap_remove+0x4dd sys/uvm/uvm_map.c:-1 uvm_unmap(ffffffff8392a9f0,ffff80003c49a000,ffff80003c4a0000) at uvm_unmap+0xab vm_map_unlock_ln sys/uvm/uvm_map.c:-1 [inline] uvm_unmap(ffffffff8392a9f0,ffff80003c49a000,ffff80003c4a0000) at uvm_unmap+0xab sys/uvm/uvm_map.c:1793 km_free(ffff80003c49a000,6000,ffffffff835cc8a0,ffffffff83578498) at km_free+0x87 sys/uvm/uvm_km.c:831 end trace frame: 0xffff80002a258e00, count: 0 ddb{0}> trace x86_ipi_db(ffffffff83805ff0) 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(ffffffff83a26468) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83a26468) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a2589e0,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp4(0,1) at __sanitizer_cov_trace_const_cmp4+0x3a sys/dev/kcov.c:231 _rb_insert(ffffffff83734778,fffffd807f7e2f58,fffffd806bb8b890) at _rb_insert+0x8c sys/kern/subr_tree.c:415 uaddr_bestfit_insert(ffffffff8392a9f0,fffffd807f7e2f40,fffffd806bb8b890) at uaddr_bestfit_insert+0x46 sys/uvm/uvm_addr.c:-1 uvm_mapent_free_insert(ffffffff8392a9f0,fffffd807f7e2f40,fffffd806bb8b890) at uvm_mapent_free_insert+0x11f sys/uvm/uvm_map.c:373 uvm_map_clip_start(ffffffff8392a9f0,fffffd806bb8b548,ffff80003c49a000) at uvm_map_clip_start+0x127 sys/uvm/uvm_map.c:4548 uvm_unmap_remove(ffffffff8392a9f0,ffff80003c49a000,ffff80003c4a0000,ffff80002a258cf8,0,1,29314b21706c0da3) at uvm_unmap_remove+0x4dd sys/uvm/uvm_map.c:-1 uvm_unmap(ffffffff8392a9f0,ffff80003c49a000,ffff80003c4a0000) at uvm_unmap+0xab vm_map_unlock_ln sys/uvm/uvm_map.c:-1 [inline] uvm_unmap(ffffffff8392a9f0,ffff80003c49a000,ffff80003c4a0000) at uvm_unmap+0xab sys/uvm/uvm_map.c:1793 km_free(ffff80003c49a000,6000,ffffffff835cc8a0,ffffffff83578498) at km_free+0x87 sys/uvm/uvm_km.c:831 uvm_uarea_free(ffff8000337f8020) at uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 reaper(ffff8000ffffca48) at reaper+0x1cb sys/kern/kern_exit.c:493 end trace frame: 0x0, count: -16 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 dt_ioctl_record_stop(ffff800001481000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff8000337f82b0) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000337f82b0) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4618f0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b019950,81,fffffd80097fb7b8,ffff8000337f82b0) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806438b870,ffff8000337f82b0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806438b870,ffff8000337f82b0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806438b870,ffff8000337f82b0) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806438b870,ffff8000337f82b0) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff8000337f82b0) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff8000337f82b0,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff8000337f82b0,ffff80003c461c60,ffff80003c461bb0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c461c60) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c461c60) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71ff469ace50, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff800001481000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff8000337f82b0) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000337f82b0) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4618f0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b019950,81,fffffd80097fb7b8,ffff8000337f82b0) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806438b870,ffff8000337f82b0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806438b870,ffff8000337f82b0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806438b870,ffff8000337f82b0) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806438b870,ffff8000337f82b0) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff8000337f82b0) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff8000337f82b0,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff8000337f82b0,ffff80003c461c60,ffff80003c461bb0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c461c60) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c461c60) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71ff469ace50, count: -12