uvm_fault(0xfffffd806bd37d40, 0x20, 0, 1) -> e kernel: page fault trap, code=0 Stopped at mtx_enter_try+0x65: movl 0x8(%r14),%r15d TID PID UID PRFLAGS PFLAGS CPU COMMAND 14874 71056 0 0 0 0 syz-executor mtx_enter_try(18) at mtx_enter_try+0x65 sys/kern/kern_lock.c:290 mtx_enter(18) at mtx_enter+0x62 sys/kern/kern_lock.c:261 clockintr_unbind(ffff8000014b4230,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000156f000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576 dtclose(11e5f,81,2000,ffff80002a3d7750) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a3d7750) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff800034814de0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8065c7e6d0,81,fffffd80097fb3a8,ffff80002a3d7750) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806cfeac08,ffff80002a3d7750) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806cfeac08,ffff80002a3d7750) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806cfeac08,ffff80002a3d7750) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806cfeac08,ffff80002a3d7750) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a3d7750) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a3d7750,b,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a3d7750,ffff800034815150,ffff8000348150a0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800034815150) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034815150) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 end trace frame: 0xffff8000348151d0, count: 0 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(0xfffffd806bd37d40, 0x20, 0, 1) -> e ddb{1}> trace mtx_enter_try(18) at mtx_enter_try+0x65 sys/kern/kern_lock.c:290 mtx_enter(18) at mtx_enter+0x62 sys/kern/kern_lock.c:261 clockintr_unbind(ffff8000014b4230,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000156f000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576 dtclose(11e5f,81,2000,ffff80002a3d7750) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a3d7750) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff800034814de0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8065c7e6d0,81,fffffd80097fb3a8,ffff80002a3d7750) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806cfeac08,ffff80002a3d7750) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806cfeac08,ffff80002a3d7750) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806cfeac08,ffff80002a3d7750) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806cfeac08,ffff80002a3d7750) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a3d7750) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a3d7750,b,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a3d7750,ffff800034815150,ffff8000348150a0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800034815150) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034815150) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7681e057cc50, count: -15 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff800034814c40 rbx 0xffffffff82a501e0 dtclose rdx 0 rcx 0xffff80002a3d7750 rax 0xffff8000299ddff0 r8 0xffffffffffffffff r9 0x1 r10 0x2dfd6cc144ed908b r11 0x53997ac4034eb3d0 r12 0 r13 0xffff8000299ddff0 r14 0x18 r15 0 rip 0xffffffff830e9245 mtx_enter_try+0x65 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800034814c00 ss 0x10 mtx_enter_try+0x65: movl 0x8(%r14),%r15d ddb{1}> show proc PROC (syz-executor) tid=171477 pid=2860 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a3d7750 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a3d67f0,0xffffffff839ecf48 process=0xffff80002a274e98 user=0xffff800034810000, vmspace=0xfffffd806bd37d40 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 71056 14874 97200 0 7 0 syz-executor 71056 16214 97200 0 3 0x4000080 kqsel syz-executor 33423 367410 16829 0 3 0x80 nanoslp syz-executor 33423 326977 16829 0 3 0x4000080 fsleep syz-executor 33423 266889 16829 0 3 0x4000080 fsleep syz-executor 32408 309863 32802 0 3 0x80 nanoslp syz-executor 32408 88812 32802 0 3 0x4000080 sbwait syz-executor 32408 243435 32802 0 3 0x4000080 fsleep syz-executor 96294 193631 4595 0 3 0x80 nanoslp syz-executor 96294 373305 4595 0 3 0x4000080 nanoslp syz-executor 26848 404060 29866 0 3 0x80 nanoslp syz-executor 26848 48162 29866 0 3 0x4000080 kqsel syz-executor 26848 92183 29866 0 3 0x4000080 fsleep syz-executor 29866 207029 99833 0 3 0x82 nanoslp syz-executor 4595 120876 99833 0 3 0x82 nanoslp syz-executor 32802 126586 99833 0 3 0x82 nanoslp syz-executor 97200 247250 99833 0 2 0x2 syz-executor 16829 44593 99833 0 3 0x82 nanoslp syz-executor 77102 330097 99833 0 3 0x2 biowait syz-executor 41881 74511 99833 0 3 0x82 wait syz-executor 89343 40019 1 0 3 0x100083 ttyin getty 70760 524199 60022 0 3 0x82 sbwait sshd-session 42859 520060 0 0 3 0x14200 bored sosplice 46214 178033 99833 0 3 0x82 nanoslp syz-executor 99833 240946 28207 0 2 0x2 syz-executor 28207 275824 67049 0 3 0x10008a sigsusp ksh 67049 22788 95465 0 3 0x98 kqread sshd-session 95465 213386 60022 0 3 0x92 kqread sshd-session 60022 181176 1 0 3 0x88 kqread sshd 83007 296913 87097 74 3 0x1100092 bpf pflogd 87097 263325 1 0 3 0x80 sbwait pflogd 31500 309585 37939 73 3 0x1100090 kqread syslogd 37939 226873 1 0 3 0x100082 sbwait syslogd 19645 53054 1 0 3 0x100080 kqread resolvd 27202 83481 8423 77 3 0x100092 kqread dhcpleased 98616 249573 8423 77 3 0x100092 kqread dhcpleased 8423 389922 1 0 3 0x80 kqread dhcpleased 70722 30005 0 0 3 0x14200 bored smr 1785 47777 0 0 2 0x14200 zerothread 94433 504367 0 0 3 0x14200 aiodoned aiodoned 25044 235132 0 0 3 0x14200 syncer update 63560 177880 0 0 3 0x14200 cleaner cleaner 33972 237294 0 0 3 0x14200 reaper reaper 52948 139853 0 0 3 0x14200 pgdaemon pagedaemon 67270 359884 0 0 3 0x14200 bored viomb 59166 267669 0 0 3 0x40014200 acpi0 acpi0 81540 220942 0 0 3 0x40014200 idle1 56280 220309 0 0 3 0x14200 bored softnet3 78195 68834 0 0 3 0x14200 bored softnet2 90324 313939 0 0 3 0x14200 bored softnet1 83911 432521 0 0 3 0x14200 bored softnet0 36091 472162 0 0 3 0x14200 bored systqmp 72236 272459 0 0 3 0x14200 bored systq 53700 245284 0 0 3 0x14200 tmoslp softclockmp 54581 19228 0 0 3 0x40014200 tmoslp softclock 47356 36265 0 0 3 0x40014200 idle0 1 28049 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 77102 (syz-executor) thread 0xffff80002a3d7230 (330097) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10226 11201K 11716K 166960K 13533 0 pcb 20 16K 18K 166960K 978 0 rtable 213 11K 11K 166960K 1202 0 pf 36 18K 19K 166960K 291 0 ifaddr 39 7K 8K 166960K 241 0 ifgroup 53 2K 2K 166960K 381 0 sysctl 4 1K 9K 166960K 68 0 counters 72 37K 37K 166960K 368 0 ioctlops 0 0K 4K 166960K 2507 0 iov 0 0K 36K 166960K 288 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1444 91K 91K 166960K 3500 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 70 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 219 0 dirhash 12 2K 2K 166960K 144 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 236K 166960K 3902 0 sigio 1 0K 0K 166960K 62 0 proc 76 103K 116K 166960K 1298 0 subproc 72 4K 4K 166960K 208 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 617 0 in_multi 76 5K 7K 166960K 403 0 ether_multi 1 0K 0K 166960K 40 0 mrt 1 0K 0K 166960K 35 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 1237 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 267 169K 199K 166960K 36437 0 UVM aobj 131 8K 8K 166960K 136 0 pinsyscall 44 88K 106K 166960K 5358 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 261 0 NDP 14 0K 2K 166960K 164 0 temp 82 8696K 8954K 166960K 176188 0 kqueue 16 26K 32K 166960K 706 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 120 318 0 315 2 0 2 2 0 8 1 rtentry 176 389 0 301 6 1 5 6 0 8 0 unpcb 144 3372 0 3346 20 16 4 8 0 8 2 syncache 336 5 0 5 1 1 0 1 0 8 0 tcpcb 736 1185 0 1179 19 12 7 7 0 8 6 arp 128 68 0 44 1 0 1 1 0 8 0 inpcb 328 4081 0 4070 16 9 7 8 0 8 5 nd6 144 78 0 61 1 0 1 1 0 8 0 pkpcb 40 40 0 40 3 2 1 1 0 8 1 kcovpl 48 23 0 15 1 0 1 1 0 8 0 mppekey 1024 3 0 3 2 1 1 1 0 8 1 ppxss 1192 106 0 103 2 1 1 1 0 8 0 pppxif 1504 17 0 17 5 4 1 1 0 8 1 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 58 0 43 2 0 2 2 0 482 1 pffrnode 88 57 0 43 1 0 1 1 0 8 0 pffrent 40 165 0 150 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 1 0 1 1 1 0 1 0 8 0 pfstitem 24 189 0 74 1 0 1 1 0 8 0 pfstkey 128 190 0 75 4 0 4 4 0 8 0 pfstate 384 190 0 75 12 0 12 12 0 8 0 pfrule 1344 26 0 19 2 1 1 2 0 8 0 rttmr 136 6 0 6 4 4 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 1773 0 1405 34 10 24 29 0 8 0 art_table 32 1777 0 1405 4 0 4 4 0 8 0 art_node 16 379 0 305 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 16 1 0 1 1 0 8 0 semapl 112 215 0 205 1 0 1 1 0 8 0 shmpl 112 133 0 5 4 0 4 4 0 8 0 dirhash 1024 108 0 91 3 0 3 3 0 8 0 dino2pl 256 8279 0 6745 96 0 96 96 0 8 0 ffsino 288 8279 0 6745 110 0 110 110 0 8 0 nchpl 144 13715 0 13132 64 39 25 64 0 8 0 rtmask 32 14 0 12 5 4 1 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 51078 0 51077 3 2 1 2 0 8 0 percpumem 16 199 0 148 1 0 1 1 0 8 0 kstatmem 264 238 0 212 5 3 2 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 21 0 21 3 2 1 1 0 8 1 scxspl 216 84523 0 84522 24 21 3 8 1 8 2 plimitpl 152 656 0 637 1 0 1 1 0 8 0 sigapl 424 4154 0 4103 7 0 7 7 0 8 0 knotepl 120 860 0 0 25 0 25 25 0 8 0 kqueuepl 224 1456 0 1439 12 7 5 5 0 8 3 pipepl 336 499 0 472 4 1 3 4 0 8 0 fdescpl 520 4129 0 4097 3 0 3 3 0 8 0 filepl 160 29358 0 29119 28 12 16 18 0 8 4 lockfpl 104 1454 0 1452 1 0 1 1 0 8 0 lockfspl 48 533 0 531 1 0 1 1 0 8 0 sessionpl 144 40 0 30 1 0 1 1 0 8 0 pgrppl 48 107 0 89 1 0 1 1 0 8 0 ucredpl 104 5203 0 5190 1 0 1 1 0 8 0 zombiepl 144 4105 0 4103 2 1 1 1 0 8 0 processpl 1240 4154 0 4103 5 0 5 5 0 8 0 procpl 656 10195 0 10136 9 2 7 7 0 8 0 srpgc 96 31 0 31 2 1 1 1 0 8 1 sosppl 168 34 0 34 4 3 1 1 0 8 1 sockpl 728 7917 0 7876 48 38 10 19 0 8 6 mcl64k 65536 13 0 0 2 0 2 2 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 145 0 0 17 0 17 17 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 88 0 0 11 1 10 10 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 1219 0 0 74 0 74 74 0 8 0 bufpl 280 32252 0 26110 441 1 440 440 0 8 0 anonpl 32 11970 0 0 97 0 97 97 0 246 0 amapchunkpl 152 132512 0 131868 64 28 36 38 0 158 7 amappl16 200 12616 0 12526 51 33 18 23 0 8 4 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 148 0 135 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 5016 0 4983 4 2 2 3 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 269 0 269 1 1 0 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 137 0 123 1 0 1 1 0 8 0 amappl6 120 334 0 329 1 0 1 1 0 8 0 amappl5 112 181 0 171 1 0 1 1 0 8 0 amappl4 104 413 0 391 1 0 1 1 0 8 0 amappl3 96 25623 0 25507 5 1 4 4 0 8 0 amappl2 88 914 0 843 2 0 2 2 0 8 0 amappl1 80 24654 0 23965 16 0 16 16 0 8 0 amappl 88 34796 0 34607 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma16384 16384 1 0 1 1 0 1 1 0 8 1 dma8192 8192 2 0 2 1 1 0 1 0 8 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 8 0 8 3 3 0 1 0 8 0 dma128 128 261 0 261 3 3 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 20 0 19 1 0 1 1 0 8 0 aobjpl 72 135 0 5 3 0 3 3 0 8 0 uaddrrnd 24 4129 0 4097 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4129 0 4097 1 0 1 1 0 8 0 vmmpekpl 168 29724 0 29667 4 0 4 4 0 8 0 vmmpepl 168 259435 0 257201 131 19 112 114 0 357 3 vmsppl 480 4128 0 4097 6 1 5 5 0 8 0 rwobjpl 72 68876 0 61697 139 3 136 137 0 8 0 pdppl 4096 8265 0 8194 129 54 75 85 0 8 4 pvpl 32 20793 0 0 168 1 167 167 0 265 0 pmappl 256 4128 0 4097 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 523 0 89 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83883ff0) 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+0x38 sys/dev/kcov.c:159 __mp_lock(ffffffff839f1200) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839f1200) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 intr_handler(ffff80002a35af00,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x6fcf2f2c25c0, count: 8 ddb{0}> trace x86_ipi_db(ffffffff83883ff0) 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+0x38 sys/dev/kcov.c:159 __mp_lock(ffffffff839f1200) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839f1200) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 intr_handler(ffff80002a35af00,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x6fcf2f2c25c0, count: -7 ddb{0}> machine ddbcpu 1 Stopped at mtx_enter_try+0x65: movl 0x8(%r14),%r15d mtx_enter_try(18) at mtx_enter_try+0x65 sys/kern/kern_lock.c:290 mtx_enter(18) at mtx_enter+0x62 sys/kern/kern_lock.c:261 clockintr_unbind(ffff8000014b4230,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000156f000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576 dtclose(11e5f,81,2000,ffff80002a3d7750) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a3d7750) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff800034814de0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8065c7e6d0,81,fffffd80097fb3a8,ffff80002a3d7750) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806cfeac08,ffff80002a3d7750) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806cfeac08,ffff80002a3d7750) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806cfeac08,ffff80002a3d7750) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806cfeac08,ffff80002a3d7750) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a3d7750) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a3d7750,b,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a3d7750,ffff800034815150,ffff8000348150a0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800034815150) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034815150) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 end trace frame: 0xffff8000348151d0, count: 0 ddb{1}> trace mtx_enter_try(18) at mtx_enter_try+0x65 sys/kern/kern_lock.c:290 mtx_enter(18) at mtx_enter+0x62 sys/kern/kern_lock.c:261 clockintr_unbind(ffff8000014b4230,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000156f000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576 dtclose(11e5f,81,2000,ffff80002a3d7750) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a3d7750) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff800034814de0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8065c7e6d0,81,fffffd80097fb3a8,ffff80002a3d7750) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806cfeac08,ffff80002a3d7750) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806cfeac08,ffff80002a3d7750) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806cfeac08,ffff80002a3d7750) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806cfeac08,ffff80002a3d7750) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a3d7750) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a3d7750,b,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a3d7750,ffff800034815150,ffff8000348150a0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800034815150) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034815150) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7681e057cc50, count: -15