uvm_fault(0xfffffd805fe11400, 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 257495 30540 0 0x14000 0x200 0 reaper dt_ioctl_record_stop(ffff80000149c000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,41,2000,ffff80003c43ca88) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,41,2000,ffff80003c43ca88) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a292a30) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806fc94a30,41,fffffd80097fb618,ffff80003c43ca88) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c008a40,ffff80003c43ca88) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c008a40,ffff80003c43ca88) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c008a40,ffff80003c43ca88) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c008a40,ffff80003c43ca88) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c43ca88) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c43ca88,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c43ca88,ffff80002a292da0,ffff80002a292cf0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a292da0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a292da0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71dbc746e7c0, 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(0xfffffd805fe11400, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff80000149c000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,41,2000,ffff80003c43ca88) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,41,2000,ffff80003c43ca88) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a292a30) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806fc94a30,41,fffffd80097fb618,ffff80003c43ca88) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c008a40,ffff80003c43ca88) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c008a40,ffff80003c43ca88) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c008a40,ffff80003c43ca88) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c008a40,ffff80003c43ca88) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c43ca88) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c43ca88,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c43ca88,ffff80002a292da0,ffff80002a292cf0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a292da0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a292da0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71dbc746e7c0, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a292960 rbx 0x1 rdx 0 rcx 0xffff80003c43ca88 rax 0xffff8000299edff0 r8 0x90 r9 0x1 r10 0x2925a96f86bcda53 r11 0xc5b523754a7a89ac r12 0 r13 0 r14 0 r15 0xffff80000149d400 rip 0xffffffff81530e58 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a292930 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=2132 pid=43834 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c43ca88 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c44b500,0xffff80003c43cfc8 process=0xffff8000ffff2698 user=0xffff80002a28d000, vmspace=0xfffffd805fe11400 estcpu=34, cpticks=5, pctcpu=0.4, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 81430 405183 34550 0 2 0 syz-executor 81430 376877 34550 0 3 0x4000080 fsleep syz-executor 34578 440733 67221 0 3 0x90 nanoslp syz-executor 34578 202632 67221 0 3 0x4000090 kqread syz-executor 34578 193624 67221 0 3 0x4000090 fsleep syz-executor 34578 83293 67221 0 3 0x4000090 fsleep syz-executor 72243 36124 84475 0 3 0x3000 suspend syz-executor 72243 494704 84475 0 3 0x4081000 biowait syz-executor 72243 24733 84475 0 3 0x4081000 inode syz-executor 72243 510845 84475 0 3 0x4081000 inode syz-executor 26233 10673 56858 0 3 0x3000 suspend syz-executor 26233 81079 56858 0 2 0x4081000 syz-executor 2047 247853 0 0 3 0x14200 acct acct 37287 94473 74556 0 3 0x3000 suspend syz-executor 37287 387544 74556 0 3 0x4081000 biowait syz-executor 37287 308988 74556 0 3 0x4081000 inode syz-executor 74556 343688 65951 0 3 0x82 wait syz-executor 86868 168129 1 0 3 0x100083 ttyin getty 84475 296667 65951 0 3 0x82 nanoslp syz-executor 56858 63621 65951 0 3 0x82 nanoslp syz-executor 67221 427545 65951 0 3 0x82 nanoslp syz-executor 91660 184237 0 0 3 0x14200 bored sosplice 93412 158664 65951 0 3 0x82 nanoslp syz-executor 45461 136668 65951 0 2 0x3 syz-executor 62227 285019 65951 0 2 0x3 syz-executor 34550 340285 65951 0 2 0xc82 syz-executor 65951 499787 49139 0 3 0x82 kqread syz-executor 49139 469998 62105 0 3 0x10008a sigsusp ksh 62105 134540 34382 0 3 0x98 kqread sshd-session 34382 386026 20273 0 3 0x92 kqread sshd-session 20273 229645 1 0 3 0x88 kqread sshd 93652 103889 65928 74 3 0x1100092 bpf pflogd 65928 137390 1 0 3 0x80 sbwait pflogd 89019 175788 46891 73 3 0x1100090 kqread syslogd 46891 136527 1 0 3 0x100082 sbwait syslogd 70319 343135 1 0 3 0x100080 kqread resolvd 96133 289420 0 0 3 0x14200 bored smr 403 127423 0 0 3 0x14200 pgzero zerothread 10310 127071 0 0 3 0x14200 aiodoned aiodoned 89743 273002 0 0 3 0x14200 syncer update 87754 184813 0 0 3 0x14200 cleaner cleaner 30540 257495 0 0 7 0x14200 reaper 8342 514678 0 0 3 0x14200 pgdaemon pagedaemon 42292 478405 0 0 3 0x14200 bored viomb 23983 115587 0 0 3 0x40014200 acpi0 acpi0 5446 79091 0 0 3 0x40014200 idle1 55064 420753 0 0 3 0x14200 bored softnet1 68020 356327 0 0 3 0x14200 bored softnet0 32289 270002 0 0 3 0x14200 bored systqmp 81083 72121 0 0 3 0x14200 bored systq 25040 471810 0 0 3 0x14200 tmoslp softclockmp 55882 92703 0 0 3 0x40014200 tmoslp softclock 73730 98983 0 0 3 0x40014200 idle0 1 501012 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 72243 (syz-executor) thread 0xffff80003c44ba30 (494704) exclusive rrwlock inode r = 0 (0xfffffd80653de598) #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:748 #9 Xsyscall+0x128 Process 72243 (syz-executor) thread 0xffff80003c44b798 (24733) exclusive rrwlock inode r = 0 (0xfffffd806f129358) #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 dorenameat+0x91 sys/kern/vfs_syscalls.c:2990 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 26233 (syz-executor) thread 0xffff80002a273238 (81079) exclusive rrwlock inode r = 0 (0xfffffd80653dedb0) #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:748 #9 Xsyscall+0x128 Process 37287 (syz-executor) thread 0xffff80003c43c7f0 (387544) exclusive rrwlock inode r = 0 (0xfffffd80725a2ee0) #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:748 #9 Xsyscall+0x128 Process 30540 (reaper) thread 0xffff8000ffffd4c8 (257495) exclusive rwlock kmmaplk r = 0 (0xffffffff8397f5e8) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171 #3 uvm_unmap+0x7d 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+0x1aa sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10250 11111K 11371K 166960K 13694 0 pcb 17 15K 17K 166960K 549 0 rtable 232 13K 13K 166960K 750 0 pf 47 20K 67488K 166960K 375 0 ifaddr 38 7K 7K 166960K 142 0 ifgroup 59 2K 2K 166960K 253 0 sysctl 4 1K 9K 166960K 24 0 counters 70 37K 38K 166960K 252 0 ioctlops 0 0K 4K 166960K 2284 0 iov 0 0K 20K 166960K 386 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1528 96K 96K 166960K 3347 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 222 0 dirhash 12 2K 2K 166960K 66 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 2359 0 sigio 0 0K 0K 166960K 97 0 proc 66 83K 180K 166960K 877 0 subproc 72 4K 4K 166960K 110 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 472 0 in_multi 78 5K 7K 166960K 236 0 ether_multi 1 0K 0K 166960K 38 0 mrt 1 0K 0K 166960K 17 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 0 0K 1K 166960K 808 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 254 149K 183K 166960K 23424 0 UVM aobj 19 2K 2K 166960K 23 0 pinsyscall 37 74K 101K 166960K 3588 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 132 0 NDP 13 0K 2K 166960K 101 0 temp 83 8656K 8912K 166960K 90064 0 kqueue 10 18K 30K 166960K 440 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 120 247 0 246 1 0 1 1 0 8 0 rtentry 176 211 0 126 6 1 5 6 0 8 0 unpcb 144 1654 0 1639 12 9 3 6 0 8 2 syncache 336 10 0 10 6 6 0 1 0 8 0 tcpqe 32 2 0 2 2 2 0 1 0 8 0 tcpcb 736 749 0 744 11 10 1 7 0 8 0 arp 136 37 0 23 1 0 1 1 0 8 0 inpcb 328 2565 0 2558 25 20 5 15 0 8 3 nd6 152 44 0 22 1 0 1 1 0 8 0 pkpcb 40 17 0 17 5 4 1 1 0 8 1 kcovpl 48 12 0 4 1 0 1 1 0 8 0 mppekey 1024 2 0 2 2 2 0 1 0 8 0 ppxss 1192 65 0 65 4 3 1 1 0 8 1 pppxif 1504 12 0 12 6 5 1 2 0 8 1 pfstscr 40 6 0 4 1 0 1 1 0 8 0 pffrag 232 64 0 54 1 0 1 1 0 482 0 pffrnode 88 9 0 1 1 0 1 1 0 8 0 pffrent 40 160 0 148 1 0 1 1 0 8 0 pfosfp 40 1431 0 1006 5 0 5 5 0 8 0 pfosfpen 112 1431 0 714 21 0 21 21 0 8 0 pfrktable 1344 5 0 4 1 0 1 1 0 8 0 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pftag 88 6 0 0 1 0 1 1 0 8 0 pfstitem 24 184 0 79 1 0 1 1 0 8 0 pfstkey 128 199 0 96 4 0 4 4 0 8 0 pfstate 384 188 0 87 11 0 11 11 0 8 0 pfrule 1344 56 0 50 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 1 1 1 0 8 1 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 901 0 501 34 8 26 30 0 8 0 art_table 40 905 0 501 6 1 5 5 0 8 0 art_node 32 207 0 132 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 17 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 215 0 205 1 0 1 1 0 8 0 shmpl 112 20 0 4 1 0 1 1 0 8 0 dirhash 1024 53 0 36 3 0 3 3 0 8 0 dino2pl 256 5753 0 4218 97 0 97 97 0 8 0 ffsino 296 5753 0 4218 121 2 119 119 0 8 0 nchpl 144 9053 0 7333 64 0 64 64 0 8 0 rtmask 32 10 0 10 5 5 0 1 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 32756 0 32754 3 2 1 2 0 8 0 percpumem 16 141 0 91 1 0 1 1 0 8 0 kstatmem 264 156 0 126 6 3 3 3 0 8 0 scsiplug 72 8 0 8 4 4 0 1 0 8 0 scxspl 216 59703 0 59701 14 13 1 8 1 8 0 plimitpl 152 796 0 776 1 0 1 1 0 8 0 sigapl 424 2654 0 2607 9 1 8 8 0 8 2 knotepl 120 537 0 0 16 0 16 16 0 8 0 kqueuepl 224 1153 0 1143 15 13 2 5 0 8 1 pipepl 344 498 0 471 6 0 6 6 0 8 3 fdescpl 528 2607 0 2578 3 0 3 3 0 8 0 filepl 160 19282 0 19073 28 13 15 18 0 8 2 lockfpl 104 784 0 783 2 1 1 2 0 8 0 lockfspl 48 339 0 338 1 0 1 1 0 8 0 sessionpl 144 36 0 28 1 0 1 1 0 8 0 pgrppl 48 70 0 54 1 0 1 1 0 8 0 ucredpl 104 2836 0 2825 1 0 1 1 0 8 0 zombiepl 144 3628 0 3621 1 0 1 1 0 8 0 processpl 1232 2654 0 2607 6 0 6 6 0 8 0 procpl 664 6531 0 6472 9 1 8 8 0 8 1 sosppl 168 16 0 16 5 5 0 1 0 8 0 sockpl 752 4575 0 4552 48 38 10 21 0 8 7 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 122 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 90 0 0 9 0 9 9 0 8 1 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 223 0 0 13 0 13 13 0 8 0 bufpl 280 24353 0 18216 439 0 439 439 0 8 0 anonpl 32 12444 0 0 100 0 100 100 0 246 0 amapchunkpl 152 79832 0 79205 48 16 32 32 0 158 7 amappl16 200 9520 0 9126 94 69 25 28 0 8 4 amappl15 192 79 0 79 1 1 0 1 0 8 0 amappl14 184 4 0 4 1 1 0 1 0 8 0 amappl13 176 478 0 477 1 0 1 1 0 8 0 amappl12 168 3019 0 2982 3 0 3 3 0 8 0 amappl11 160 5 0 5 1 1 0 1 0 8 0 amappl10 152 47 0 39 1 0 1 1 0 8 0 amappl9 144 256 0 255 2 1 1 1 0 8 0 amappl8 136 31 0 27 1 0 1 1 0 8 0 amappl7 128 100 0 98 1 0 1 1 0 8 0 amappl6 120 340 0 329 1 0 1 1 0 8 0 amappl5 112 96 0 88 1 0 1 1 0 8 0 amappl4 104 479 0 454 1 0 1 1 0 8 0 amappl3 96 14240 0 14134 4 1 3 3 0 8 0 amappl2 88 2771 0 2711 2 0 2 2 0 8 0 amappl1 80 20454 0 19947 16 2 14 15 0 8 0 amappl 88 22216 0 22024 5 0 5 5 0 92 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma32768 32768 2 0 2 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 8 0 8 2 2 0 1 0 8 0 dma128 128 256 0 256 4 4 0 1 0 8 0 dma64 64 72 0 72 2 1 1 1 0 8 1 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 22 0 4 1 0 1 1 0 8 0 uaddrrnd 24 2607 0 2578 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2607 0 2578 1 0 1 1 0 8 0 vmmpekpl 168 22566 0 22508 3 0 3 3 0 8 0 vmmpepl 168 171574 0 169430 141 32 109 109 0 357 8 vmsppl 488 2606 0 2578 7 2 5 5 0 8 0 rwobjpl 80 52878 0 45734 151 0 151 151 0 8 0 pdppl 4096 5222 0 5156 126 60 66 86 0 8 0 pvpl 32 22987 0 0 186 1 185 185 0 265 0 pmappl 256 2606 0 2578 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 338 0 95 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8386eff0) 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(ffffffff8396e950) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8396e950) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a244770,ffff80000007aa80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp4(ffffffff8380acd0,9) at __sanitizer_cov_trace_const_cmp4+0x18 kd_curproc sys/dev/kcov.c:580 [inline] __sanitizer_cov_trace_const_cmp4(ffffffff8380acd0,9) at __sanitizer_cov_trace_const_cmp4+0x18 sys/dev/kcov.c:230 mtx_enter(ffffffff8380acc0) at mtx_enter+0x4a sys/kern/kern_lock.c:260 msleep_nsec(ffffffff8380acf8,ffffffff8380acc0,4,ffffffff8339731c,ffffffffffffffff) at msleep_nsec+0x2d3 sys/kern/kern_synch.c:209 reaper(ffff8000ffffd4c8) at reaper+0x13b sys/kern/kern_exit.c:477 end trace frame: 0x0, count: 5 ddb{0}> trace x86_ipi_db(ffffffff8386eff0) 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(ffffffff8396e950) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8396e950) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a244770,ffff80000007aa80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp4(ffffffff8380acd0,9) at __sanitizer_cov_trace_const_cmp4+0x18 kd_curproc sys/dev/kcov.c:580 [inline] __sanitizer_cov_trace_const_cmp4(ffffffff8380acd0,9) at __sanitizer_cov_trace_const_cmp4+0x18 sys/dev/kcov.c:230 mtx_enter(ffffffff8380acc0) at mtx_enter+0x4a sys/kern/kern_lock.c:260 msleep_nsec(ffffffff8380acf8,ffffffff8380acc0,4,ffffffff8339731c,ffffffffffffffff) at msleep_nsec+0x2d3 sys/kern/kern_synch.c:209 reaper(ffff8000ffffd4c8) at reaper+0x13b sys/kern/kern_exit.c:477 end trace frame: 0x0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 dt_ioctl_record_stop(ffff80000149c000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,41,2000,ffff80003c43ca88) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,41,2000,ffff80003c43ca88) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a292a30) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806fc94a30,41,fffffd80097fb618,ffff80003c43ca88) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c008a40,ffff80003c43ca88) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c008a40,ffff80003c43ca88) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c008a40,ffff80003c43ca88) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c008a40,ffff80003c43ca88) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c43ca88) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c43ca88,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c43ca88,ffff80002a292da0,ffff80002a292cf0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a292da0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a292da0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71dbc746e7c0, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff80000149c000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,41,2000,ffff80003c43ca88) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,41,2000,ffff80003c43ca88) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a292a30) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806fc94a30,41,fffffd80097fb618,ffff80003c43ca88) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c008a40,ffff80003c43ca88) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c008a40,ffff80003c43ca88) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c008a40,ffff80003c43ca88) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c008a40,ffff80003c43ca88) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c43ca88) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c43ca88,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c43ca88,ffff80002a292da0,ffff80002a292cf0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a292da0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a292da0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71dbc746e7c0, count: -12