uvm_fault(0xfffffd806b7eb3f0, 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 424980 57496 0 0x14000 0x200 0 reaper dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003a42ba18) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003a42ba18) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c44bb10) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b7f7970,81,fffffd80097fb5b0,ffff80003a42ba18) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b82d5e0,ffff80003a42ba18) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b82d5e0,ffff80003a42ba18) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b82d5e0,ffff80003a42ba18) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b82d5e0,ffff80003a42ba18) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003a42ba18) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003a42ba18,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003a42ba18,ffff80003c44be80,ffff80003c44bdd0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c44be80) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c44be80) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d3b8ec1b780, 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(0xfffffd806b7eb3f0, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003a42ba18) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003a42ba18) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c44bb10) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b7f7970,81,fffffd80097fb5b0,ffff80003a42ba18) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b82d5e0,ffff80003a42ba18) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b82d5e0,ffff80003a42ba18) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b82d5e0,ffff80003a42ba18) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b82d5e0,ffff80003a42ba18) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003a42ba18) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003a42ba18,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003a42ba18,ffff80003c44be80,ffff80003c44bdd0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c44be80) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c44be80) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d3b8ec1b780, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c44ba40 rbx 0x1 rdx 0 rcx 0xffff80003a42ba18 rax 0xffffffff837fc610 dt_prov_syscall r8 0x90 r9 0x1 r10 0x88e1cb81eec4aba5 r11 0x17fa5fe58707ff9e r12 0 r13 0 r14 0 r15 0xffff8000014ab200 rip 0xffffffff81afcf38 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80003c44ba10 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=392020 pid=82109 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=57, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003a42ba18 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003a42a2c0,0xffff800034c09258 process=0xffff80003a0244f0 user=0xffff80003c446000, vmspace=0xfffffd806b7eb3f0 estcpu=7, cpticks=2, pctcpu=0.1, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 17513 37522 35077 0 2 0 syz-executor 86653 337830 36641 0 2 0 syz-executor 86653 55383 36641 0 2 0x4000000 syz-executor 79706 405146 29431 0 2 0 syz-executor 79706 104415 29431 0 2 0x4000000 syz-executor 79706 259414 29431 0 3 0x4000080 ttyout syz-executor 79706 502083 29431 0 2 0x4000000 syz-executor 3582 354586 97187 0 2 0xc80 syz-executor 3582 128701 97187 0 2 0x4000000 syz-executor 39463 511318 98126 0 2 0 syz-executor 39463 254265 98126 0 3 0x4000080 bpf syz-executor 39463 6072 98126 0 3 0x4000080 fsleep syz-executor 57058 99587 41551 0 2 0xc80 syz-executor 57058 422358 41551 0 2 0x4000c80 syz-executor 98781 391750 0 0 3 0x14200 bored sosplice 35077 71363 36669 0 2 0x2 syz-executor 41551 224258 36669 0 2 0xc82 syz-executor 29431 277796 36669 0 2 0x2 syz-executor 36641 242077 36669 0 2 0xc82 syz-executor 97187 112192 36669 0 2 0xc82 syz-executor 34818 106528 36669 0 2 0xc82 syz-executor 98126 55362 36669 0 3 0x82 nanoslp syz-executor 7578 103564 36669 0 3 0x82 nanoslp syz-executor 36669 6151 12394 0 3 0x82 kqread syz-executor 12394 15940 857 0 3 0x10008a sigsusp ksh 857 259307 19384 0 3 0x98 kqread sshd-session 19384 148766 91357 0 3 0x92 kqread sshd-session 97720 278349 1 0 3 0x100083 ttyin getty 91357 246910 1 0 3 0x88 kqread sshd 58415 243704 5387 74 3 0x1100092 bpf pflogd 5387 79449 1 0 3 0x80 sbwait pflogd 93097 335073 99281 73 3 0x1100090 kqread syslogd 99281 188469 1 0 3 0x100082 sbwait syslogd 7978 13540 1 0 3 0x100080 kqread resolvd 53746 252801 48572 77 3 0x100092 kqread dhcpleased 6867 43306 48572 77 3 0x100092 kqread dhcpleased 48572 443990 1 0 3 0x80 kqread dhcpleased 67459 166650 0 0 3 0x14200 bored smr 17702 430953 0 0 2 0x14200 zerothread 79728 392761 0 0 3 0x14200 aiodoned aiodoned 77393 45539 0 0 3 0x14200 syncer update 94680 89861 0 0 3 0x14200 cleaner cleaner 57496 424980 0 0 7 0x14200 reaper 84959 28090 0 0 3 0x14200 pgdaemon pagedaemon 42071 64850 0 0 3 0x14200 bored viomb 58069 296806 0 0 3 0x40014200 acpi0 acpi0 36537 130422 0 0 3 0x40014200 idle1 32780 265916 0 0 3 0x14200 bored softnet7 69449 16924 0 0 3 0x14200 bored softnet6 74163 54690 0 0 3 0x14200 bored softnet5 93494 134448 0 0 3 0x14200 bored softnet4 26733 444897 0 0 3 0x14200 bored softnet3 52573 442194 0 0 3 0x14200 bored softnet2 99030 76022 0 0 3 0x14200 bored softnet1 82420 226188 0 0 3 0x14200 bored softnet0 23648 429284 0 0 3 0x14200 smrbar systqmp 61629 225054 0 0 3 0x14200 bored systq 29720 394629 0 0 3 0x14200 tmoslp softclockmp 98421 388039 0 0 3 0x40014200 tmoslp softclock 85445 51528 0 0 3 0x40014200 idle0 1 2938 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 57496 (reaper) thread 0xffff8000ffffc7d0 (424980) exclusive rwlock kmmaplk r = 0 (0xffffffff83981f30) #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:5168 #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 Process 23648 (systqmp) thread 0xffff8000ffffea60 (429284) shared rwlock systqmp r = 0 (0xffffffff83835738) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10220 11182K 11182K 166960K 11334 0 pcb 17 12K 12K 166960K 41 0 rtable 193 6K 7K 166960K 275 0 pf 34 17K 18K 166960K 52 0 ifaddr 42 7K 7K 166960K 48 0 ifgroup 55 2K 2K 166960K 65 0 sysctl 1 1K 9K 166960K 5 0 counters 68 36K 37K 166960K 78 0 ioctlops 0 0K 4K 166960K 1495 0 iov 0 0K 12K 166960K 3 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1346 85K 85K 166960K 1388 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 5 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 97K 166960K 186 0 proc 71 115K 180K 166960K 533 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 5 0 in_multi 96 7K 7K 166960K 103 0 ether_multi 1 0K 0K 166960K 1 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 363 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 241 172K 178K 166960K 3331 0 UVM aobj 5 2K 2K 166960K 5 0 pinsyscall 43 86K 104K 166960K 1264 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 2 0 NDP 12 0K 2K 166960K 31 0 temp 36 8638K 8715K 166960K 5348 0 kqueue 13 20K 25K 166960K 32 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 34 0 31 1 0 1 1 0 8 0 rtentry 176 96 0 13 5 0 5 5 0 8 0 unpcb 144 130 0 110 4 0 4 4 0 8 3 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 736 25 0 21 1 0 1 1 0 8 0 arp 128 10 0 0 1 0 1 1 0 8 0 inpcb 328 113 0 104 2 0 2 2 0 8 1 nd6 144 16 0 0 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 3 0 3 1 0 1 1 0 8 1 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 17 0 0 1 0 1 1 0 8 0 pfstkey 128 17 0 0 1 0 1 1 0 8 0 pfstate 384 17 0 0 2 0 2 2 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 436 0 0 28 0 28 28 0 8 0 art_table 40 437 0 0 5 0 5 5 0 8 0 art_node 32 95 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 2 0 0 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1635 0 119 95 0 95 95 0 8 0 ffsino 296 1635 0 119 117 0 117 117 0 8 0 nchpl 144 1892 0 200 63 0 63 63 0 8 0 rtmask 32 2 0 2 1 0 1 1 0 8 1 uvmvnodes 80 1739 0 0 36 0 36 36 0 8 0 vnodes 216 1739 0 0 97 0 97 97 0 8 0 namei 1024 5784 0 5784 2 0 2 2 0 8 2 percpumem 16 54 0 5 1 0 1 1 0 8 0 kstatmem 264 32 0 6 2 0 2 2 0 8 0 scxspl 216 6723 0 6723 3 2 1 2 1 8 1 plimitpl 152 37 0 17 1 0 1 1 0 8 0 sigapl 424 489 0 434 7 0 7 7 0 8 0 knotepl 120 57 0 0 2 0 2 2 0 8 0 kqueuepl 224 35 0 25 2 0 2 2 0 8 1 pipepl 344 103 0 76 3 0 3 3 0 8 0 fdescpl 528 466 0 434 3 0 3 3 0 8 0 filepl 160 1788 0 1556 13 0 13 13 0 8 3 lockfpl 104 28 0 23 1 0 1 1 0 8 0 lockfspl 48 16 0 11 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 30 0 13 1 0 1 1 0 8 0 ucredpl 104 114 0 101 1 0 1 1 0 8 0 zombiepl 144 436 0 434 1 0 1 1 0 8 0 processpl 1232 489 0 434 5 0 5 5 0 8 0 procpl 664 597 0 534 6 0 6 6 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 752 281 0 249 11 0 11 11 0 8 7 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 112 0 0 14 0 14 14 0 8 0 mcl2k 2048 21 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 117 0 0 8 0 8 8 0 8 0 bufpl 280 2952 0 122 203 0 203 203 0 8 0 anonpl 32 5300 0 0 43 0 43 43 0 246 0 amapchunkpl 152 9784 0 9211 26 3 23 23 0 158 0 amappl16 200 2007 0 1987 5 1 4 5 0 8 2 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 112 0 100 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 1 0 1 0 8 0 amappl12 168 1105 0 1074 4 1 3 3 0 8 0 amappl11 160 53 0 38 1 0 1 1 0 8 0 amappl10 152 9 0 8 1 0 1 1 0 8 0 amappl9 144 256 0 255 1 0 1 1 0 8 0 amappl8 136 36 0 34 1 0 1 1 0 8 0 amappl7 128 118 0 106 1 0 1 1 0 8 0 amappl6 120 176 0 172 1 0 1 1 0 8 0 amappl5 112 119 0 110 1 0 1 1 0 8 0 amappl4 104 303 0 284 1 0 1 1 0 8 0 amappl3 96 1539 0 1423 4 0 4 4 0 8 0 amappl2 88 662 0 598 2 0 2 2 0 8 0 amappl1 80 8360 0 7755 15 0 15 15 0 8 2 amappl 88 2657 0 2490 5 0 5 5 0 92 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 466 0 434 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 466 0 434 1 0 1 1 0 8 0 vmmpekpl 168 5429 0 5395 2 0 2 2 0 8 0 vmmpepl 168 36382 0 34374 89 0 89 89 0 357 1 vmsppl 488 465 0 434 5 0 5 5 0 8 1 rwobjpl 80 14601 0 11925 55 0 55 55 0 8 0 pdppl 4096 940 0 868 100 22 78 88 0 8 6 pvpl 32 11811 0 0 96 0 96 96 0 265 0 pmappl 256 465 0 434 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 264 0 24 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83781ff0) 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_release_all(ffffffff839777d8) at __mp_release_all+0xd8 sys/kern/kern_lock.c:215 msleep_nsec(ffffffff83834bf8,ffffffff83834bc0,4,ffffffff8338560d,ffffffffffffffff) at msleep_nsec+0x1e1 sys/kern/kern_synch.c:-1 reaper(ffff8000ffffc7d0) at reaper+0x13b sys/kern/kern_exit.c:477 end trace frame: 0x0, count: 9 ddb{0}> trace x86_ipi_db(ffffffff83781ff0) 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_release_all(ffffffff839777d8) at __mp_release_all+0xd8 sys/kern/kern_lock.c:215 msleep_nsec(ffffffff83834bf8,ffffffff83834bc0,4,ffffffff8338560d,ffffffffffffffff) at msleep_nsec+0x1e1 sys/kern/kern_synch.c:-1 reaper(ffff8000ffffc7d0) at reaper+0x13b sys/kern/kern_exit.c:477 end trace frame: 0x0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003a42ba18) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003a42ba18) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c44bb10) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b7f7970,81,fffffd80097fb5b0,ffff80003a42ba18) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b82d5e0,ffff80003a42ba18) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b82d5e0,ffff80003a42ba18) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b82d5e0,ffff80003a42ba18) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b82d5e0,ffff80003a42ba18) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003a42ba18) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003a42ba18,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003a42ba18,ffff80003c44be80,ffff80003c44bdd0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c44be80) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c44be80) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d3b8ec1b780, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003a42ba18) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003a42ba18) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c44bb10) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b7f7970,81,fffffd80097fb5b0,ffff80003a42ba18) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b82d5e0,ffff80003a42ba18) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b82d5e0,ffff80003a42ba18) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b82d5e0,ffff80003a42ba18) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b82d5e0,ffff80003a42ba18) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003a42ba18) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003a42ba18,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003a42ba18,ffff80003c44be80,ffff80003c44bdd0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c44be80) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c44be80) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d3b8ec1b780, count: -12