uvm_fault(0xfffffd807b49ed70, 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 377139 73733 0 0 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+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff800001614c30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000163e000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80002a240548) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a240548) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c3e2090) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807aef27d0,1,fffffd80097fd410,ffff80002a240548) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c10d430,ffff80002a240548) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806c10d430,ffff80002a240548) at vn_closefile+0x12b sys/kern/vfs_vnops.c:621 fdrop(fffffd806c10d430,ffff80002a240548) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd806c10d430,ffff80002a240548) at closef+0x192 sys/kern/kern_descrip.c:1265 fdfree(ffff80002a240548) at fdfree+0x116 sys/kern/kern_descrip.c:1196 exit1(ffff80002a240548,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a240548,ffff80003c3e2400,ffff80003c3e2350) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c3e2400) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3e2400) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 end trace frame: 0xffff80003c3e2480, 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(0xfffffd807b49ed70, 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+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff800001614c30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000163e000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80002a240548) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a240548) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c3e2090) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807aef27d0,1,fffffd80097fd410,ffff80002a240548) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c10d430,ffff80002a240548) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806c10d430,ffff80002a240548) at vn_closefile+0x12b sys/kern/vfs_vnops.c:621 fdrop(fffffd806c10d430,ffff80002a240548) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd806c10d430,ffff80002a240548) at closef+0x192 sys/kern/kern_descrip.c:1265 fdfree(ffff80002a240548) at fdfree+0x116 sys/kern/kern_descrip.c:1196 exit1(ffff80002a240548,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a240548,ffff80003c3e2400,ffff80003c3e2350) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c3e2400) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3e2400) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e76aca7c110, count: -15 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c3e1eb0 rbx 0 rdx 0 rcx 0xffff80002a240548 rax 0xffff8000299bdffe r8 0x7f7fffffc000 r9 0x1 r10 0xd4bb0363a69d12f9 r11 0x47b7830dd44c6753 r12 0xfe r13 0x9 r14 0x28 r15 0 rip 0xffffffff82d3c865 witness_checkorder+0xb5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c3e1e10 ss 0 witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{1}> show proc PROC (syz-executor) tid=238217 pid=4294 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=0, usrpri=79, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a240548 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000fffe3cb0,0xffff80002a2d4048 process=0xffff8000fffdd368 user=0xffff80003c3dd000, vmspace=0xfffffd807b49ed70 estcpu=29, cpticks=18, pctcpu=0.14, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 73733 377139 50514 0 7 0 syz-executor 3374 249095 13006 0 2 0 syz-executor 97735 226275 68699 0 2 0 syz-executor 97735 364053 68699 0 3 0x4000080 fsleep syz-executor 70565 510377 76102 0 2 0 syz-executor 70565 238685 76102 0 3 0x4000080 fsleep syz-executor 52546 91558 16098 0 2 0 syz-executor 52546 461257 16098 0 3 0x4000080 fsleep syz-executor 52546 447229 16098 0 3 0x4000080 fsleep syz-executor 52546 97677 16098 0 3 0x4000080 fsleep syz-executor 12552 416868 51795 0 2 0 syz-executor 12552 213318 51795 0 3 0x4000080 kqsel syz-executor 12552 122314 51795 0 3 0x4000080 fsleep syz-executor 2274 84324 43947 0 2 0x10000082 syz-executor 46129 185869 1 0 3 0x100083 ttyin getty 75860 94688 0 0 3 0x14280 nfsidl nfsio 8466 158712 0 0 3 0x14280 nfsidl nfsio 1204 186137 0 0 3 0x14280 nfsidl nfsio 9518 459262 0 0 3 0x14280 nfsidl nfsio 84792 259028 0 0 3 0x14280 nfsidl nfsio 39261 25801 0 0 3 0x14280 nfsidl nfsio 82027 143617 0 0 3 0x14280 nfsidl nfsio 43810 371331 0 0 3 0x14280 nfsidl nfsio 29877 483341 0 0 3 0x14280 nfsidl nfsio 68193 313606 0 0 3 0x14280 nfsidl nfsio 7042 373612 0 0 3 0x14280 nfsidl nfsio 41928 476653 0 0 3 0x14280 nfsidl nfsio 40592 34327 0 0 3 0x14280 nfsidl nfsio 79871 409481 0 0 3 0x14280 nfsidl nfsio 78568 179437 0 0 3 0x14280 nfsidl nfsio 38563 70684 0 0 3 0x14280 nfsidl nfsio 95119 298830 0 0 3 0x14280 nfsidl nfsio 4444 451741 0 0 3 0x14280 nfsidl nfsio 56354 307809 0 0 3 0x14280 nfsidl nfsio 54224 359086 0 0 3 0x14280 nfsidl nfsio 13006 488034 43947 0 3 0x82 nanoslp syz-executor 68699 472704 43947 0 3 0x82 nanoslp syz-executor 50514 139691 43947 0 3 0x82 nanoslp syz-executor 80417 292351 43947 0 3 0x82 nanoslp syz-executor 16098 490565 43947 0 3 0x82 nanoslp syz-executor 51795 514593 43947 0 3 0x82 nanoslp syz-executor 76102 448571 43947 0 3 0x82 nanoslp syz-executor 43947 35284 46738 0 3 0x82 kqread syz-executor 46738 325864 2295 0 3 0x10008a sigsusp ksh 2295 22676 26904 0 3 0x98 kqread sshd-session 26904 94634 67816 0 3 0x92 kqread sshd-session 67816 155640 1 0 3 0x88 kqread sshd 90827 244173 35670 74 3 0x1100092 bpf pflogd 35670 348726 1 0 3 0x80 sbwait pflogd 97339 361349 41636 73 3 0x1100090 kqread syslogd 41636 61256 1 0 3 0x100082 sbwait syslogd 41359 232114 1 0 3 0x100080 kqread resolvd 68804 404547 76261 77 3 0x100092 kqread dhcpleased 6771 381749 76261 77 3 0x100092 kqread dhcpleased 76261 71649 1 0 3 0x80 kqread dhcpleased 1703 213080 0 0 3 0x14200 bored smr 22079 433157 0 0 2 0x14200 zerothread 93527 349764 0 0 3 0x14200 aiodoned aiodoned 24342 361131 0 0 3 0x14200 syncer update 91840 29520 0 0 3 0x14200 cleaner cleaner 23688 355602 0 0 3 0x14200 reaper reaper 13620 241556 0 0 3 0x14200 pgdaemon pagedaemon 45689 290997 0 0 3 0x14200 bored viomb 8101 277116 0 0 3 0x40014200 acpi0 acpi0 58116 129785 0 0 3 0x40014200 idle1 57228 57987 0 0 3 0x14200 bored softnet1 75595 17211 0 0 3 0x14200 bored softnet0 33736 314701 0 0 3 0x14200 bored systqmp 6527 148365 0 0 3 0x14200 bored systq 97839 314352 0 0 3 0x14200 tmoslp softclockmp 54847 8651 0 0 3 0x40014200 tmoslp softclock 21208 58609 0 0 3 0x40014200 idle0 1 317280 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11070 12185K 12225K 166960K 12391 0 pcb 17 14K 16K 166960K 126 0 rtable 189 5K 7K 166960K 633 0 pf 35 17K 20K 166960K 75 0 ifaddr 34 5K 7K 166960K 68 0 ifgroup 49 2K 2K 166960K 87 0 sysctl 4 1K 9K 166960K 8 0 counters 68 36K 37K 166960K 88 0 ioctlops 0 0K 4K 166960K 1574 0 iov 0 0K 12K 166960K 10 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1355 85K 86K 166960K 1667 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 20K 24K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 7 0K 0K 166960K 7 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 394 0 sigio 0 0K 0K 166960K 2 0 proc 72 115K 180K 166960K 708 0 subproc 72 4K 4K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 34 0 in_multi 67 5K 7K 166960K 145 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 10 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 474 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 229 159K 176K 166960K 5442 0 UVM aobj 5 2K 2K 166960K 6 0 pinsyscall 42 84K 102K 166960K 1693 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 7 0 NDP 11 0K 1K 166960K 45 0 temp 44 9079K 9144K 166960K 8928 0 kqueue 13 20K 26K 166960K 60 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 61 0 57 1 0 1 1 0 8 0 rtentry 176 222 0 139 6 1 5 6 0 8 0 unpcb 144 114 0 97 1 0 1 1 0 8 0 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpcb 736 50 0 45 1 0 1 1 0 8 0 arp 136 27 0 12 1 0 1 1 0 8 0 inpcb 328 353 0 344 8 6 2 7 0 8 1 nd6 152 36 0 21 1 0 1 1 0 8 0 pkpcb 40 2 0 2 2 2 0 1 0 8 0 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1192 3 0 2 2 1 1 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 4 0 0 1 0 1 1 0 482 0 pffrnode 88 3 0 0 1 0 1 1 0 8 0 pffrent 40 6 0 2 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 pfsrclim 320 1 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 42 0 0 1 0 1 1 0 8 0 pfstkey 128 42 0 1 2 0 2 2 0 8 0 pfstate 448 39 0 0 5 0 5 5 0 8 0 pfrule 1360 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 634 0 310 29 3 26 29 0 8 2 art_table 40 636 0 310 5 0 5 5 0 8 0 art_node 32 157 0 82 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1 semapl 112 5 0 0 1 0 1 1 0 8 0 shmpl 112 3 0 1 2 1 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1922 0 451 93 0 93 93 0 8 0 ffsino 296 1922 0 451 114 0 114 114 0 8 0 nchpl 144 2407 0 694 64 0 64 64 0 8 0 vnodes 216 2249 0 0 125 0 125 125 0 8 0 namei 1024 8330 0 8330 4 3 1 3 0 8 1 percpumem 16 59 0 10 1 0 1 1 0 8 0 kstatmem 264 44 0 20 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 7859 0 7859 4 3 1 3 1 8 1 plimitpl 152 50 0 33 1 0 1 1 0 8 0 sigapl 424 731 0 663 8 0 8 8 0 8 0 knotepl 120 526 0 0 16 0 16 16 0 8 0 kqueuepl 224 78 0 68 1 0 1 1 0 8 0 pipepl 344 148 0 121 3 0 3 3 0 8 0 fdescpl 528 695 0 664 3 0 3 3 0 8 0 filepl 160 3312 0 3101 15 5 10 15 0 8 0 lockfpl 104 221 0 219 1 0 1 1 0 8 0 lockfspl 48 37 0 35 1 0 1 1 0 8 0 sessionpl 144 53 0 44 1 0 1 1 0 8 0 pgrppl 48 68 0 51 1 0 1 1 0 8 0 ucredpl 104 301 0 288 1 0 1 1 0 8 0 zombiepl 144 774 0 772 2 1 1 1 0 8 0 processpl 1232 731 0 663 6 0 6 6 0 8 0 procpl 664 1097 0 1022 8 1 7 8 0 8 0 sockpl 752 536 0 506 12 7 5 11 0 8 1 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 126 0 0 16 0 16 16 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 260 0 0 17 0 17 17 0 8 0 bufpl 280 2741 0 105 189 0 189 189 0 8 0 anonpl 32 7193 0 0 58 0 58 58 0 246 0 amapchunkpl 152 16202 0 15746 40 10 30 31 0 158 11 amappl16 200 2083 0 2059 18 8 10 14 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 485 0 484 1 0 1 1 0 8 0 amappl13 176 148 0 135 1 0 1 1 0 8 0 amappl12 168 970 0 941 2 0 2 2 0 8 0 amappl11 160 6 0 6 1 1 0 1 0 8 0 amappl10 152 69 0 55 1 0 1 1 0 8 0 amappl9 144 300 0 300 1 1 0 1 0 8 0 amappl8 136 121 0 119 1 0 1 1 0 8 0 amappl7 128 172 0 158 1 0 1 1 0 8 0 amappl6 120 225 0 224 1 0 1 1 0 8 0 amappl5 112 98 0 88 1 0 1 1 0 8 0 amappl4 104 314 0 295 1 0 1 1 0 8 0 amappl3 96 3017 0 2909 4 0 4 4 0 8 0 amappl2 88 599 0 539 2 0 2 2 0 8 0 amappl1 80 11336 0 10724 17 3 14 16 0 8 0 amappl 88 4577 0 4420 5 1 4 5 0 92 0 uvmvnodes 80 101 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 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 128 253 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 5 0 1 1 0 1 1 0 8 0 uaddrrnd 24 695 0 664 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 695 0 664 1 0 1 1 0 8 0 vmmpekpl 168 7531 0 7489 3 0 3 3 0 8 0 vmmpepl 168 52481 0 50581 102 7 95 97 0 357 11 vmsppl 488 694 0 664 5 0 5 5 0 8 1 rwobjpl 80 17676 0 16652 26 0 26 26 0 8 0 pdppl 4096 1397 0 1328 113 40 73 85 0 8 4 pvpl 32 13982 0 0 114 1 113 113 0 265 0 pmappl 256 694 0 664 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 298 0 50 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83916ff0) 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 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff8396a1c0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff8396a1c0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 end trace frame: 0x0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff83916ff0) 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 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff8396a1c0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff8396a1c0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 end trace frame: 0x0, count: -9 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+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff800001614c30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000163e000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80002a240548) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a240548) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c3e2090) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807aef27d0,1,fffffd80097fd410,ffff80002a240548) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c10d430,ffff80002a240548) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806c10d430,ffff80002a240548) at vn_closefile+0x12b sys/kern/vfs_vnops.c:621 fdrop(fffffd806c10d430,ffff80002a240548) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd806c10d430,ffff80002a240548) at closef+0x192 sys/kern/kern_descrip.c:1265 fdfree(ffff80002a240548) at fdfree+0x116 sys/kern/kern_descrip.c:1196 exit1(ffff80002a240548,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a240548,ffff80003c3e2400,ffff80003c3e2350) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c3e2400) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3e2400) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 end trace frame: 0xffff80003c3e2480, 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+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff800001614c30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000163e000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80002a240548) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a240548) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c3e2090) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807aef27d0,1,fffffd80097fd410,ffff80002a240548) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c10d430,ffff80002a240548) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806c10d430,ffff80002a240548) at vn_closefile+0x12b sys/kern/vfs_vnops.c:621 fdrop(fffffd806c10d430,ffff80002a240548) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd806c10d430,ffff80002a240548) at closef+0x192 sys/kern/kern_descrip.c:1265 fdfree(ffff80002a240548) at fdfree+0x116 sys/kern/kern_descrip.c:1196 exit1(ffff80002a240548,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a240548,ffff80003c3e2400,ffff80003c3e2350) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c3e2400) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3e2400) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e76aca7c110, count: -15