uvm_fault(0xfffffd80604955f0, 0x48, 0, 1) -> e kernel: page fault trap, code=0 Stopped at witness_checkorder+0xb5: movl 0x20(%r14),%r15d TID PID UID PRFLAGS PFLAGS CPU COMMAND 355861 22010 60929 0x10 0 0 syz-executor witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff80000161fe30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000016e9000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80003b007cb0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80003b007cb0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c42da00) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80669ca7e8,1,fffffd80097fd5b0,ffff80003b007cb0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8067fc4310,ffff80003b007cb0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8067fc4310,ffff80003b007cb0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8067fc4310,ffff80003b007cb0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8067fc4310,ffff80003b007cb0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003b007cb0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003b007cb0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003b007cb0,ffff80003c42dd70,ffff80003c42dcc0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c42dd70) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42dd70) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 end trace frame: 0xffff80003c42ddf0, 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(0xfffffd80604955f0, 0x48, 0, 1) -> e ddb{1}> trace witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff80000161fe30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000016e9000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80003b007cb0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80003b007cb0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c42da00) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80669ca7e8,1,fffffd80097fd5b0,ffff80003b007cb0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8067fc4310,ffff80003b007cb0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8067fc4310,ffff80003b007cb0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8067fc4310,ffff80003b007cb0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8067fc4310,ffff80003b007cb0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003b007cb0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003b007cb0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003b007cb0,ffff80003c42dd70,ffff80003c42dcc0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c42dd70) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42dd70) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79d70070d0d0, count: -15 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c42d860 rbx 0 rdx 0 rcx 0xffff80003b007cb0 rax 0xffff8000299edffe r8 0 r9 0x1 r10 0 r11 0x979716cfeec8e0f r12 0xfe r13 0x9 r14 0x28 r15 0 rip 0xffffffff810e33e5 witness_checkorder+0xb5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c42d7c0 ss 0 witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{1}> show proc PROC (syz-executor) tid=117743 pid=90041 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003b007cb0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000333ecd28,0xffff80003b0062d0 process=0xffff80003c44d838 user=0xffff80003c428000, vmspace=0xfffffd80604955f0 estcpu=33, cpticks=9, pctcpu=0.8, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 22010 355861 92394 60929 7 0x10 syz-executor 22010 284135 92394 60929 3 0x4000090 fsleep syz-executor 22010 149598 92394 60929 2 0x4000010 syz-executor 46889 128564 79347 0 2 0 syz-executor 46889 435503 79347 0 3 0x4000080 fsleep syz-executor 32651 189845 27524 0 2 0 syz-executor 32651 260424 27524 0 3 0x4000080 fsleep syz-executor 83516 353453 0 0 3 0x14280 nfsidl nfsio 73480 141753 0 0 3 0x14280 nfsidl nfsio 72762 356638 0 0 3 0x14280 nfsidl nfsio 81519 151064 0 0 3 0x14280 nfsidl nfsio 36773 229343 0 0 3 0x14280 nfsidl nfsio 83299 142671 0 0 3 0x14280 nfsidl nfsio 32273 142230 0 0 3 0x14280 nfsidl nfsio 79956 441848 0 0 3 0x14280 nfsidl nfsio 44578 5596 0 0 3 0x14280 nfsidl nfsio 90739 236723 0 0 3 0x14280 nfsidl nfsio 35082 487461 0 0 3 0x14280 nfsidl nfsio 82752 350142 0 0 3 0x14280 nfsidl nfsio 13696 139442 0 0 3 0x14280 nfsidl nfsio 35427 267864 0 0 3 0x14280 nfsidl nfsio 64030 388105 0 0 3 0x14280 nfsidl nfsio 93231 133058 0 0 3 0x14280 nfsidl nfsio 48036 305212 0 0 3 0x14280 nfsidl nfsio 39817 91083 0 0 3 0x14280 nfsidl nfsio 72450 281441 0 0 3 0x14280 nfsidl nfsio 26209 53896 0 0 3 0x14280 nfsidl nfsio 91526 190368 87332 0 3 0x82 nanoslp syz-executor 25106 94383 1 0 3 0x100083 ttyin getty 92394 337548 87332 0 2 0x3 syz-executor 27524 374411 87332 0 2 0x3 syz-executor 33524 131217 87332 0 3 0x82 wait syz-executor 66134 317493 87332 0 2 0x3 syz-executor 79347 11025 87332 0 3 0x82 nanoslp syz-executor 63099 263312 87332 0 2 0x2 syz-executor 2404 66682 87332 0 2 0x3 syz-executor 87332 470908 18720 0 3 0x82 kqread syz-executor 18720 395131 10855 0 3 0x10008a sigsusp ksh 10855 405781 58821 0 3 0x98 kqread sshd-session 58821 156338 45490 0 3 0x92 kqread sshd-session 45490 378115 1 0 3 0x88 kqread sshd 16360 522009 11459 74 3 0x1100092 bpf pflogd 11459 33585 1 0 3 0x80 sbwait pflogd 78663 311793 69531 73 3 0x1100090 kqread syslogd 69531 298742 1 0 3 0x100082 sbwait syslogd 84939 70365 1 0 3 0x100080 kqread resolvd 48008 439564 95147 77 3 0x100092 kqread dhcpleased 81983 346976 95147 77 3 0x100092 kqread dhcpleased 95147 255738 1 0 3 0x80 kqread dhcpleased 74618 104860 0 0 3 0x14200 bored smr 93547 449638 0 0 2 0x14200 zerothread 17062 17546 0 0 3 0x14200 aiodoned aiodoned 91513 119309 0 0 3 0x14200 syncer update 6529 335581 0 0 3 0x14200 cleaner cleaner 82800 265958 0 0 2 0x14200 reaper 51578 85580 0 0 3 0x14200 pgdaemon pagedaemon 55772 234190 0 0 3 0x14200 bored viomb 66466 394366 0 0 3 0x40014200 acpi0 acpi0 72798 432866 0 0 3 0x40014200 idle1 97161 86638 0 0 3 0x14200 bored softnet1 38343 365577 0 0 3 0x14200 bored softnet0 79987 412127 0 0 3 0x14200 bored systqmp 32900 66714 0 0 3 0x14200 bored systq 79001 44050 0 0 3 0x14200 tmoslp softclockmp 15124 437530 0 0 3 0x40014200 tmoslp softclock 34811 44389 0 0 3 0x40014200 idle0 1 225188 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 82800 (reaper) thread 0xffff8000ffffdc90 (265958) exclusive rwlock kmmaplk r = 0 (0xffffffff83a0e6a0) #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:714 #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 10245 11072K 12530K 166960K 13622 0 pcb 18 16K 24K 166960K 414 0 rtable 273 13K 13K 166960K 540 0 pf 38 18K 82K 166960K 156 0 ifaddr 44 8K 8K 166960K 105 0 ifgroup 59 2K 2K 166960K 175 0 sysctl 4 1K 9K 166960K 14 0 counters 70 37K 38K 166960K 226 0 ioctlops 0 0K 4K 166960K 1736 0 iov 0 0K 24K 166960K 126 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1490 94K 94K 166960K 2744 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 9K 166960K 19 0 VM map 2 1K 1K 166960K 2 0 sem 22 137K 137K 166960K 31 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 240K 166960K 1537 0 sigio 0 0K 0K 166960K 28 0 proc 72 115K 163K 166960K 713 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 186 0 in_multi 99 7K 7K 166960K 164 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 24 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 854 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 7 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 229 160K 188K 166960K 15609 0 UVM aobj 32 10K 10K 166960K 35 0 pinsyscall 40 80K 100K 166960K 2697 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 146 0 NDP 13 0K 2K 166960K 77 0 temp 79 8680K 9196K 166960K 67287 0 kqueue 14 22K 32K 166960K 269 0 SYN cache 2 8K 16K 166960K 3 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 120 166 0 163 2 1 1 2 0 8 0 rtentry 176 152 0 42 6 0 6 6 0 8 0 unpcb 144 981 0 964 8 7 1 4 0 8 0 syncache 336 9 0 9 5 4 1 1 0 8 1 tcpqe 32 2 0 2 2 1 1 1 0 8 1 tcpcb 736 420 0 414 10 9 1 7 0 8 0 arp 136 21 0 3 1 0 1 1 0 8 0 inpcb 328 1758 0 1747 14 12 2 7 0 8 0 nd6 152 33 0 4 3 1 2 2 0 8 0 pkpcb 40 75 0 75 3 2 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 69 0 69 2 2 0 1 0 8 0 pppxif 1504 5 0 5 3 3 0 1 0 8 0 pffrag 232 10 0 5 1 0 1 1 0 482 0 pffrnode 88 8 0 3 1 0 1 1 0 8 0 pffrent 40 36 0 31 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 3 0 3 3 3 0 1 0 8 0 pfstitem 24 94 0 24 1 0 1 1 0 8 0 pfstkey 128 94 0 24 3 0 3 3 0 8 0 pfstate 448 93 0 24 8 0 8 8 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 rttmr 136 7 0 7 4 4 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 727 0 259 34 4 30 32 0 8 0 art_table 40 730 0 259 6 1 5 6 0 8 0 art_node 32 150 0 52 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 25 0 5 1 0 1 1 0 8 0 shmpl 112 28 0 3 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 4215 0 2710 96 0 96 96 0 8 0 ffsino 296 4215 0 2710 118 1 117 118 0 8 0 nchpl 144 6420 0 5837 64 42 22 64 0 8 0 rtmask 32 21 0 21 3 3 0 1 0 8 0 vnodes 216 5125 0 0 285 0 285 285 0 8 0 namei 1024 23452 0 23451 4 3 1 2 0 8 0 percpumem 16 128 0 78 1 0 1 1 0 8 0 vcpupl 3968 4 0 0 1 0 1 1 0 8 0 vmpool 840 4 0 0 1 0 1 1 0 8 0 kstatmem 264 122 0 92 5 2 3 3 0 8 0 scsiplug 72 2 0 2 2 2 0 1 0 8 0 scxspl 216 33091 0 33091 14 10 4 8 1 8 4 plimitpl 152 610 0 593 1 0 1 1 0 8 0 sigapl 424 1846 0 1781 9 1 8 8 0 8 0 knotepl 120 769 0 0 24 0 24 24 0 8 0 kqueuepl 224 531 0 521 5 4 1 3 0 8 0 pipepl 344 345 0 318 9 6 3 9 0 8 0 fdescpl 528 1808 0 1779 3 0 3 3 0 8 0 filepl 160 12801 0 12585 22 9 13 17 0 8 2 lockfpl 104 554 0 552 1 0 1 1 0 8 0 lockfspl 48 192 0 190 1 0 1 1 0 8 0 sessionpl 144 30 0 21 1 0 1 1 0 8 0 pgrppl 48 60 0 43 1 0 1 1 0 8 0 ucredpl 104 2168 0 2154 1 0 1 1 0 8 0 zombiepl 144 1844 0 1842 2 1 1 1 0 8 0 processpl 1232 1846 0 1781 6 0 6 6 0 8 0 procpl 664 4162 0 4092 7 0 7 7 0 8 0 sosppl 176 14 0 14 4 3 1 1 0 8 1 sockpl 752 3052 0 3021 27 22 5 17 0 8 1 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 134 0 0 17 0 17 17 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 123 0 0 16 0 16 16 0 8 0 mtagpl 96 207 0 0 6 0 6 6 0 8 0 mbufpl 256 1360 0 0 84 0 84 84 0 8 0 bufpl 280 12347 0 6210 439 0 439 439 0 8 0 anonpl 32 11291 0 0 92 1 91 91 0 246 0 amapchunkpl 152 53931 0 53494 65 28 37 37 0 158 14 amappl16 200 5726 0 5691 36 25 11 24 0 8 0 amappl15 192 13 0 13 1 1 0 1 0 8 0 amappl14 184 8 0 7 2 1 1 1 0 8 0 amappl13 176 478 0 477 1 0 1 1 0 8 0 amappl12 168 2196 0 2156 3 0 3 3 0 8 0 amappl11 160 9 0 8 1 0 1 1 0 8 0 amappl10 152 46 0 31 1 0 1 1 0 8 0 amappl9 144 294 0 294 1 1 0 1 0 8 0 amappl8 136 33 0 30 1 0 1 1 0 8 0 amappl7 128 158 0 156 1 0 1 1 0 8 0 amappl6 120 304 0 290 1 0 1 1 0 8 0 amappl5 112 82 0 71 1 0 1 1 0 8 0 amappl4 104 456 0 423 1 0 1 1 0 8 0 amappl3 96 9294 0 9210 3 0 3 3 0 8 0 amappl2 88 1958 0 1883 2 0 2 2 0 8 0 amappl1 80 16971 0 16379 16 1 15 15 0 8 0 amappl 88 14594 0 14443 5 0 5 5 0 92 0 uvmvnodes 80 147 0 0 3 0 3 3 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 7 0 7 2 2 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 34 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1808 0 1779 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1808 0 1779 1 0 1 1 0 8 0 vmmpekpl 168 16170 0 16132 2 0 2 2 0 8 0 vmmpepl 168 121081 0 119242 117 23 94 104 0 357 4 vmsppl 488 1807 0 1779 8 3 5 5 0 8 0 rwobjpl 80 33338 0 32236 32 3 29 31 0 8 0 pdppl 4096 3632 0 3562 120 44 76 84 0 8 6 pvpl 32 18661 0 0 151 0 151 151 0 265 0 pmappl 256 1811 0 1779 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 412 0 69 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83867ff0) 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(ffffffff8397eee8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8397eee8) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7a0ee4e7ddf0, count: 8 ddb{0}> trace x86_ipi_db(ffffffff83867ff0) 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(ffffffff8397eee8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8397eee8) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7a0ee4e7ddf0, count: -7 ddb{0}> machine ddbcpu 1 Stopped at witness_checkorder+0xb5: movl 0x20(%r14),%r15d witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff80000161fe30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000016e9000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80003b007cb0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80003b007cb0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c42da00) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80669ca7e8,1,fffffd80097fd5b0,ffff80003b007cb0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8067fc4310,ffff80003b007cb0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8067fc4310,ffff80003b007cb0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8067fc4310,ffff80003b007cb0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8067fc4310,ffff80003b007cb0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003b007cb0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003b007cb0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003b007cb0,ffff80003c42dd70,ffff80003c42dcc0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c42dd70) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42dd70) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 end trace frame: 0xffff80003c42ddf0, count: 0 ddb{1}> trace witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff80000161fe30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000016e9000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80003b007cb0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80003b007cb0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c42da00) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80669ca7e8,1,fffffd80097fd5b0,ffff80003b007cb0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8067fc4310,ffff80003b007cb0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8067fc4310,ffff80003b007cb0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8067fc4310,ffff80003b007cb0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8067fc4310,ffff80003b007cb0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003b007cb0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003b007cb0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003b007cb0,ffff80003c42dd70,ffff80003c42dcc0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c42dd70) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42dd70) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79d70070d0d0, count: -15