uvm_fault(0xfffffd807c003220, 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 24329 89226 0 0x2 0 1 syz-executor dt_ioctl_record_stop(ffff800001642000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80002a37f7b0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a37f7b0) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003b0452d0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806adaac28,81,fffffd80097fb618,ffff80002a37f7b0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806bd75a30,ffff80002a37f7b0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806bd75a30,ffff80002a37f7b0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806bd75a30,ffff80002a37f7b0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806bd75a30,ffff80002a37f7b0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a37f7b0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a37f7b0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a37f7b0,ffff80003b045640,ffff80003b045590) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003b045640) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b045640) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7815aaec2700, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffd807c003220, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff800001642000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80002a37f7b0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a37f7b0) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003b0452d0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806adaac28,81,fffffd80097fb618,ffff80002a37f7b0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806bd75a30,ffff80002a37f7b0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806bd75a30,ffff80002a37f7b0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806bd75a30,ffff80002a37f7b0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806bd75a30,ffff80002a37f7b0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a37f7b0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a37f7b0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a37f7b0,ffff80003b045640,ffff80003b045590) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003b045640) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b045640) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7815aaec2700, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003b045200 rbx 0x1 rdx 0 rcx 0xffff80002a37f7b0 rax 0xffffffff83833028 dt_prov_syscall r8 0 r9 0 r10 0xc71d29492fc4f23e r11 0xd730f22ad90ac681 r12 0 r13 0 r14 0 r15 0xffff800001498d00 rip 0xffffffff826259b8 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80003b0451d0 ss 0 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=75504 pid=83681 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a37f7b0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a37e058,0xffff80002a37e830 process=0xffff8000388244f0 user=0xffff80003b040000, vmspace=0xfffffd807c003220 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 42726 58357 55215 0 2 0 syz-executor 42726 351158 55215 0 2 0x4000000 syz-executor 84524 434251 92923 0 2 0 syz-executor 84524 107703 92923 0 3 0x4000080 fsleep syz-executor 84524 102581 92923 0 3 0x4000080 fsleep syz-executor 14463 369303 43418 0 2 0x1082000 syz-executor 14463 117079 43418 0 3 0x5002000 suspend syz-executor 14463 183198 43418 0 4 0x5082000 syz-executor 80814 402358 2432 0 2 0 syz-executor 80814 493170 2432 0 2 0x4000000 syz-executor 80814 372380 2432 0 3 0x4000080 fsleep syz-executor 92923 84177 14522 0 3 0x82 nanoslp syz-executor 43418 366740 14522 0 3 0x82 nanoslp syz-executor 5682 55843 14522 0 3 0x82 nanoslp syz-executor 81411 267728 14522 0 3 0x2 biowait syz-executor 37341 77022 0 0 3 0x14200 bored sosplice 55215 314145 14522 0 3 0x82 nanoslp syz-executor 89226 24329 14522 0 7 0x2 syz-executor 2432 66261 14522 0 3 0x82 nanoslp syz-executor 68066 217218 14522 0 2 0x3 syz-executor 14522 329741 7729 0 3 0x82 kqread syz-executor 7729 295380 83857 0 3 0x10008a sigsusp ksh 83857 409870 88870 0 3 0x98 kqread sshd-session 88870 251835 5798 0 3 0x92 kqread sshd-session 19399 29739 1 0 3 0x100083 ttyopn getty 5798 408339 1 0 3 0x88 kqread sshd 50423 371317 95088 74 3 0x1100092 bpf pflogd 95088 318204 1 0 3 0x80 sbwait pflogd 23384 101510 14319 73 3 0x1100090 kqread syslogd 14319 261910 1 0 3 0x100082 sbwait syslogd 53317 501580 1 0 3 0x100080 kqread resolvd 82732 227017 74683 77 3 0x100092 kqread dhcpleased 62688 447354 74683 77 3 0x100092 kqread dhcpleased 74683 337960 1 0 3 0x80 kqread dhcpleased 76342 472160 0 0 3 0x14200 bored smr 60789 100905 0 0 2 0x14200 zerothread 7130 100552 0 0 3 0x14200 aiodoned aiodoned 43206 492291 0 0 3 0x14200 syncer update 88778 487315 0 0 3 0x14200 cleaner cleaner 98176 214162 0 0 3 0x14200 reaper reaper 10365 155610 0 0 3 0x14200 pgdaemon pagedaemon 2628 247171 0 0 3 0x14200 bored viomb 33021 236907 0 0 3 0x40014200 acpi0 acpi0 23310 67889 0 0 3 0x40014200 idle1 36305 483490 0 0 3 0x14200 bored softnet7 75083 237949 0 0 3 0x14200 bored softnet6 29746 498309 0 0 3 0x14200 bored softnet5 47167 518896 0 0 3 0x14200 bored softnet4 4767 254623 0 0 3 0x14200 bored softnet3 65353 437683 0 0 3 0x14200 bored softnet2 92883 144021 0 0 3 0x14200 bored softnet1 53785 220734 0 0 3 0x14200 bored softnet0 86799 9185 0 0 3 0x14200 bored systqmp 58097 158265 0 0 3 0x14200 bored systq 30051 86551 0 0 3 0x14200 tmoslp softclockmp 30736 112724 0 0 2 0x40014200 softclock 81294 250227 0 0 3 0x40014200 idle0 1 464725 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 42726 (syz-executor) thread 0xffff80003c497cd0 (351158) exclusive rrwlock inode r = 0 (0xfffffd806e1641c8) #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 (0xfffffd806e170ef8) #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 81411 (syz-executor) thread 0xffff80003c496578 (267728) exclusive rrwlock inode r = 0 (0xfffffd806bb03c68) #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 (0xfffffd806e1af128) #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10277 11167K 12340K 166960K 13689 0 pcb 18 18K 21K 166960K 762 0 rtable 229 13K 13K 166960K 634 0 pf 42 18K 82K 166960K 282 0 ifaddr 42 7K 8K 166960K 178 0 ifgroup 67 2K 2K 166960K 312 0 sysctl 4 1K 9K 166960K 31 0 counters 74 37K 38K 166960K 412 0 ioctlops 0 0K 4K 166960K 1991 0 iov 0 0K 32K 166960K 154 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1525 96K 96K 166960K 3798 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 4 9K 17K 166960K 47 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 89 0 dirhash 12 2K 2K 166960K 48 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 240K 166960K 2504 0 sigio 0 0K 0K 166960K 35 0 proc 78 131K 164K 166960K 907 0 subproc 72 4K 4K 166960K 122 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 408 0 in_multi 81 6K 7K 166960K 270 0 ether_multi 1 0K 0K 166960K 23 0 mrt 2 0K 0K 166960K 17 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 271 1208K 1208K 166960K 271 0 exec 0 0K 1K 166960K 729 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 234 161K 174K 166960K 24503 0 UVM aobj 64 3K 3K 166960K 69 0 pinsyscall 41 82K 102K 166960K 3705 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 179 0 NDP 15 0K 1K 166960K 131 0 temp 79 8656K 8912K 166960K 94946 0 kqueue 13 20K 30K 166960K 468 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 120 326 0 323 4 3 1 3 0 8 0 rtentry 176 217 0 130 5 0 5 5 0 8 0 unpcb 144 2614 0 2597 16 14 2 6 0 8 1 syncache 336 12 0 12 5 4 1 1 0 8 1 tcpqe 32 3 0 3 3 3 0 1 0 8 0 tcpcb 736 1223 0 1217 26 19 7 10 0 8 5 arp 128 28 0 15 1 0 1 1 0 8 0 inpcb 328 3744 0 3733 51 41 10 12 0 8 8 nd6 144 45 0 24 1 0 1 1 0 8 0 pkpcb 40 16 0 16 8 7 1 1 0 8 1 kcovpl 48 13 0 5 1 0 1 1 0 8 0 mppekey 1024 2 0 2 2 1 1 1 0 8 1 ppxss 1192 142 0 142 5 4 1 1 0 8 1 pppxif 1504 10 0 10 5 4 1 1 0 8 1 pffrag 232 69 0 57 1 0 1 1 0 482 0 pffrnode 88 32 0 22 1 0 1 1 0 8 0 pffrent 40 130 0 116 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 2 0 2 2 2 0 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 153 0 70 1 0 1 1 0 8 0 pfstkey 128 155 0 72 3 0 3 3 0 8 0 pfstate 384 153 0 71 9 0 9 9 0 8 0 pfrule 1344 29 0 23 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 1 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 1002 0 605 36 11 25 31 0 8 0 art_table 40 1005 0 605 5 0 5 5 0 8 0 art_node 32 214 0 137 1 0 1 1 0 8 0 sysvmsgpl 40 67 0 65 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 84 0 74 1 0 1 1 0 8 0 shmpl 112 66 0 5 2 0 2 2 0 8 0 dirhash 1024 41 0 24 3 0 3 3 0 8 0 dino2pl 256 6400 0 4885 95 0 95 95 0 8 0 ffsino 296 6400 0 4885 117 0 117 117 0 8 0 nchpl 144 9860 0 9233 64 39 25 64 0 8 0 rtmask 32 24 0 24 5 5 0 1 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 36980 0 36977 4 3 1 2 0 8 0 percpumem 16 221 0 169 1 0 1 1 0 8 0 kstatmem 264 212 0 176 6 3 3 3 0 8 0 scsiplug 72 11 0 11 6 5 1 1 0 8 1 scxspl 216 60204 0 60203 14 11 3 7 1 8 2 plimitpl 152 633 0 615 1 0 1 1 0 8 0 sigapl 424 2785 0 2733 9 1 8 9 0 8 0 knotepl 120 594 0 0 18 0 18 18 0 8 0 kqueuepl 224 1026 0 1015 15 10 5 5 0 8 4 pipepl 344 488 0 460 12 9 3 9 0 8 0 fdescpl 528 2737 0 2707 3 0 3 3 0 8 0 filepl 160 22049 0 21826 44 27 17 21 0 8 5 lockfpl 104 1275 0 1273 4 3 1 2 0 8 0 lockfspl 48 461 0 459 1 0 1 1 0 8 0 sessionpl 144 34 0 25 1 0 1 1 0 8 0 pgrppl 48 91 0 74 1 0 1 1 0 8 0 ucredpl 104 3635 0 3621 1 0 1 1 0 8 0 zombiepl 144 3632 0 3631 3 2 1 1 0 8 0 processpl 1232 2786 0 2733 6 0 6 6 0 8 0 procpl 664 6815 0 6755 12 5 7 8 0 8 0 sosppl 168 24 0 24 6 6 0 1 0 8 0 sockpl 752 6851 0 6820 87 74 13 24 0 8 8 mcl64k 65536 24 0 0 3 0 3 3 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 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 117 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 60 0 0 6 0 6 6 0 8 0 mtagpl 96 67 0 0 2 0 2 2 0 8 0 mbufpl 256 4217 0 0 260 0 260 260 0 8 0 bufpl 280 24384 0 18241 441 1 440 440 0 8 0 anonpl 32 11699 0 0 95 0 95 95 0 246 0 amapchunkpl 152 83862 0 83257 83 54 29 35 0 158 2 amappl16 200 9395 0 9351 84 69 15 28 0 8 6 amappl15 192 4 0 3 2 1 1 1 0 8 0 amappl14 184 142 0 129 1 0 1 1 0 8 0 amappl13 176 73 0 73 2 2 0 1 0 8 0 amappl12 168 3486 0 3457 3 1 2 2 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 257 0 257 1 1 0 1 0 8 0 amappl8 136 26 0 22 1 0 1 1 0 8 0 amappl7 128 125 0 112 1 0 1 1 0 8 0 amappl6 120 226 0 223 1 0 1 1 0 8 0 amappl5 112 142 0 131 1 0 1 1 0 8 0 amappl4 104 339 0 317 1 0 1 1 0 8 0 amappl3 96 16970 0 16864 5 1 4 4 0 8 0 amappl2 88 773 0 708 2 0 2 2 0 8 0 amappl1 80 19478 0 18895 14 0 14 14 0 8 0 amappl 88 23299 0 23139 5 0 5 5 0 92 0 dma32768 32768 2 0 2 2 2 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 2 0 2 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 2 0 1 0 8 0 dma128 128 259 0 259 6 5 1 1 0 8 1 dma64 64 7 0 7 2 1 1 1 0 8 1 dma32 32 10 0 10 3 3 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 68 0 5 2 0 2 2 0 8 0 uaddrrnd 24 2736 0 2707 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2736 0 2707 1 0 1 1 0 8 0 vmmpekpl 168 23757 0 23701 3 0 3 3 0 8 0 vmmpepl 168 177448 0 175528 143 40 103 110 0 357 2 vmsppl 488 2735 0 2707 8 3 5 5 0 8 0 rwobjpl 80 52345 0 45408 150 3 147 148 0 8 1 pdppl 4096 5479 0 5414 121 50 71 87 0 8 6 pvpl 32 19064 0 0 154 0 154 154 0 265 0 pmappl 256 2735 0 2707 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 591 0 94 15 0 15 15 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff800001642000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80002a37f7b0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a37f7b0) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003b0452d0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806adaac28,81,fffffd80097fb618,ffff80002a37f7b0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806bd75a30,ffff80002a37f7b0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806bd75a30,ffff80002a37f7b0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806bd75a30,ffff80002a37f7b0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806bd75a30,ffff80002a37f7b0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a37f7b0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a37f7b0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a37f7b0,ffff80003b045640,ffff80003b045590) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003b045640) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b045640) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7815aaec2700, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff8387c130) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8387c130) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff8387c130,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff8390f730,9) at pool_get+0x27e sys/kern/subr_pool.c:591 fdcopy(ffff8000ffff7028) at fdcopy+0x51 fdinit sys/kern/kern_descrip.c:1069 [inline] fdcopy(ffff8000ffff7028) at fdcopy+0x51 sys/kern/kern_descrip.c:1108 process_new(ffff80002a2a3770,ffff8000ffff7028,1) at process_new+0x4fc sys/kern/kern_fork.c:276 fork1(ffff8000ffff2010,1,ffffffff818d9ed0,0,ffff80002a3bbd50,0) at fork1+0x3f6 sys/kern/kern_fork.c:-1 syscall(ffff80002a3bbe00) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3bbe00) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77eedf4e8790, count: 3 ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff8387c130) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8387c130) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff8387c130,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff8390f730,9) at pool_get+0x27e sys/kern/subr_pool.c:591 fdcopy(ffff8000ffff7028) at fdcopy+0x51 fdinit sys/kern/kern_descrip.c:1069 [inline] fdcopy(ffff8000ffff7028) at fdcopy+0x51 sys/kern/kern_descrip.c:1108 process_new(ffff80002a2a3770,ffff8000ffff7028,1) at process_new+0x4fc sys/kern/kern_fork.c:276 fork1(ffff8000ffff2010,1,ffffffff818d9ed0,0,ffff80002a3bbd50,0) at fork1+0x3f6 sys/kern/kern_fork.c:-1 syscall(ffff80002a3bbe00) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3bbe00) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77eedf4e8790, count: -12