uvm_fault(0xfffffd806c1d9018, 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 388442 78578 0 0 0 0 syz-executor dt_ioctl_record_stop(ffff80000149a000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff800035befa10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800035befa10) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c45ebd0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8074f9c2a0,81,fffffd80097fb4e0,ffff800035befa10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c220990,ffff800035befa10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c220990,ffff800035befa10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c220990,ffff800035befa10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c220990,ffff800035befa10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800035befa10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800035befa10,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800035befa10,ffff80003c45ef40,ffff80003c45ee90) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c45ef40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c45ef40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a687a0c8e80, 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(0xfffffd806c1d9018, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff80000149a000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff800035befa10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800035befa10) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c45ebd0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8074f9c2a0,81,fffffd80097fb4e0,ffff800035befa10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c220990,ffff800035befa10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c220990,ffff800035befa10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c220990,ffff800035befa10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c220990,ffff800035befa10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800035befa10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800035befa10,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800035befa10,ffff80003c45ef40,ffff80003c45ee90) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c45ef40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c45ef40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a687a0c8e80, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c45eb00 rbx 0x1 rdx 0 rcx 0xffff800035befa10 rax 0xffffffff83879968 dt_prov_syscall r8 0 r9 0 r10 0xcfa01d6cad955724 r11 0x4fa34cbd165ff22a r12 0 r13 0 r14 0 r15 0xffff8000014aad00 rip 0xffffffff81530e58 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80003c45ead0 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=316964 pid=33252 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=80, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff800035befa10 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a270fa8,0xffff800035beed28 process=0xffff8000ffff3508 user=0xffff80003c459000, vmspace=0xfffffd806c1d9018 estcpu=30, cpticks=104, pctcpu=1.3, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 6202 69730 501 0 2 0 syz-executor 13360 171346 63677 0 2 0 syz-executor 13360 380587 63677 0 2 0x4000000 syz-executor 78578 388442 20688 0 7 0 syz-executor 78578 241268 20688 0 3 0x4000080 fsleep syz-executor 78578 470075 20688 0 3 0x4000080 fsleep syz-executor 78578 84170 20688 0 2 0x4000000 syz-executor 1384 297893 36600 0 2 0 syz-executor 1384 366980 36600 0 2 0x4000000 syz-executor 37367 215282 55958 0 2 0x400000 syz-executor 37367 388818 55958 0 3 0x4400080 fsleep syz-executor 37367 47470 55958 0 3 0x4400080 fsleep syz-executor 24281 151659 36654 0 2 0x2 syz-executor 63244 246896 0 0 3 0x14200 bored sosplice 36600 255168 36654 0 3 0x82 nanoslp syz-executor 81198 502776 36654 0 2 0x2 syz-executor 501 517233 36654 0 3 0x82 nanoslp syz-executor 55958 324790 36654 0 3 0x82 nanoslp syz-executor 20688 401351 36654 0 3 0x82 nanoslp syz-executor 63677 189613 36654 0 3 0x82 nanoslp syz-executor 6239 304061 36654 0 3 0x82 nanoslp syz-executor 36654 47628 82294 0 2 0x2 syz-executor 82294 320423 44314 0 3 0x10008a sigsusp ksh 44314 206157 3101 0 3 0x98 kqread sshd-session 3101 373511 31413 0 3 0x92 kqread sshd-session 54565 438485 1 0 3 0x100083 ttyopn getty 31413 27395 1 0 3 0x88 kqread sshd 42142 189562 96454 74 3 0x1100092 bpf pflogd 96454 146301 1 0 3 0x80 sbwait pflogd 55120 372773 28049 73 3 0x1100090 kqread syslogd 28049 101255 1 0 3 0x100082 sbwait syslogd 17820 438398 1 0 3 0x100080 kqread resolvd 98761 293366 52702 77 3 0x100092 kqread dhcpleased 48646 63542 52702 77 3 0x100092 kqread dhcpleased 52702 501811 1 0 3 0x80 kqread dhcpleased 66453 379500 0 0 3 0x14200 bored smr 53224 25448 0 0 3 0x14200 pgzero zerothread 78001 354497 0 0 3 0x14200 aiodoned aiodoned 66648 344292 0 0 3 0x14200 syncer update 47306 267230 0 0 3 0x14200 cleaner cleaner 2192 192799 0 0 3 0x14200 reaper reaper 45318 422744 0 0 3 0x14200 pgdaemon pagedaemon 38088 359559 0 0 3 0x14200 bored viomb 81844 140309 0 0 3 0x40014200 acpi0 acpi0 58815 329602 0 0 3 0x40014200 idle1 33544 12823 0 0 3 0x14200 bored softnet1 14041 118834 0 0 3 0x14200 bored softnet0 25850 500633 0 0 3 0x14200 bored systqmp 81000 351619 0 0 3 0x14200 bored systq 18972 237482 0 0 3 0x14200 tmoslp softclockmp 12752 322846 0 0 3 0x40014200 tmoslp softclock 52438 430339 0 0 3 0x40014200 idle0 1 328654 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10277 11231K 11261K 166960K 11673 0 pcb 17 14K 14K 166960K 111 0 rtable 241 8K 10K 166960K 544 0 pf 39 18K 24K 166960K 169 0 ifaddr 44 7K 7K 166960K 64 0 ifgroup 57 2K 2K 166960K 84 0 sysctl 2 1K 9K 166960K 6 0 counters 70 37K 38K 166960K 96 0 ioctlops 0 0K 4K 166960K 1548 0 iov 0 0K 16K 166960K 18 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1473 93K 93K 166960K 1981 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 616K 620K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 9 0K 0K 166960K 10 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 244K 166960K 463 0 sigio 0 0K 0K 166960K 8 0 proc 72 115K 164K 166960K 592 0 subproc 72 4K 4K 166960K 82 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 33 0 in_multi 99 7K 7K 166960K 137 0 ether_multi 1 0K 0K 166960K 6 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 407 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 236 159K 173K 166960K 5918 0 UVM aobj 8 2K 2K 166960K 8 0 pinsyscall 42 84K 102K 166960K 1608 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 21 0 NDP 13 0K 2K 166960K 42 0 temp 44 8644K 8720K 166960K 22637 0 kqueue 13 20K 28K 166960K 80 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 66 0 63 1 0 1 1 0 8 0 rtentry 176 136 0 31 6 0 6 6 0 8 0 unpcb 144 163 0 146 2 1 1 2 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 736 94 0 90 2 0 2 2 0 8 1 arp 136 23 0 4 1 0 1 1 0 8 0 inpcb 328 368 0 361 4 0 4 4 0 8 3 nd6 152 30 0 3 2 0 2 2 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 11 0 10 1 0 1 1 0 8 0 pppxif 1504 3 0 3 1 0 1 1 0 8 1 pfstscr 40 3 0 2 1 0 1 1 0 8 0 pffrag 232 3 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 3 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 30 0 30 1 1 0 1 0 8 0 pfanchor 1288 12 0 10 1 0 1 1 0 8 0 pfqueue 320 1 0 1 1 1 0 1 0 8 0 pfstitem 24 41 0 0 1 0 1 1 0 8 0 pfstkey 128 45 0 4 2 0 2 2 0 8 0 pfstate 384 41 0 2 4 0 4 4 0 8 0 pfrule 1344 30 0 24 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 552 0 95 29 0 29 29 0 8 0 art_table 40 555 0 95 5 0 5 5 0 8 0 art_node 32 136 0 41 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 semapl 112 8 0 1 1 0 1 1 0 8 0 shmpl 112 5 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2292 0 775 96 0 96 96 0 8 0 ffsino 296 2292 0 775 118 0 118 118 0 8 0 nchpl 144 2900 0 1198 64 0 64 64 0 8 0 vnodes 216 2709 0 0 151 0 151 151 0 8 0 namei 1024 9477 0 9477 1 0 1 1 0 8 1 percpumem 16 63 0 13 1 0 1 1 0 8 0 pfiaddrpl 120 10 0 10 1 1 0 1 0 8 0 kstatmem 264 48 0 20 3 0 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 10022 0 10021 10 2 8 8 1 8 7 plimitpl 152 134 0 116 1 0 1 1 0 8 0 sigapl 424 760 0 712 7 1 6 7 0 8 0 knotepl 120 539 0 0 17 0 17 17 0 8 0 kqueuepl 224 109 0 100 1 0 1 1 0 8 0 pipepl 344 189 0 161 6 0 6 6 0 8 3 fdescpl 528 742 0 711 3 0 3 3 0 8 0 filepl 160 4090 0 3806 17 1 16 17 0 8 4 lockfpl 104 162 0 160 1 0 1 1 0 8 0 lockfspl 48 46 0 44 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 37 0 20 1 0 1 1 0 8 0 ucredpl 104 974 0 961 1 0 1 1 0 8 0 zombiepl 144 714 0 712 1 0 1 1 0 8 0 processpl 1232 760 0 712 5 1 4 5 0 8 0 procpl 664 1264 0 1209 6 0 6 6 0 8 0 sosppl 168 9 0 9 1 0 1 1 0 8 1 sockpl 752 610 0 583 8 1 7 8 0 8 4 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 128 0 0 16 0 16 16 0 8 0 mcl2k 2048 44 0 0 6 0 6 6 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 317 0 0 20 0 20 20 0 8 0 bufpl 280 3735 0 132 258 0 258 258 0 8 0 anonpl 32 5798 0 0 47 0 47 47 0 246 0 amapchunkpl 152 18663 0 18195 33 1 32 32 0 158 10 amappl16 200 2366 0 2336 7 1 6 6 0 8 1 amappl15 192 18 0 18 1 1 0 1 0 8 0 amappl14 184 4 0 4 1 1 0 1 0 8 0 amappl13 176 441 0 440 1 0 1 1 0 8 0 amappl12 168 1126 0 1085 3 0 3 3 0 8 0 amappl11 160 8 0 8 1 1 0 1 0 8 0 amappl10 152 49 0 35 1 0 1 1 0 8 0 amappl9 144 264 0 264 1 1 0 1 0 8 0 amappl8 136 28 0 26 1 0 1 1 0 8 0 amappl7 128 88 0 86 1 0 1 1 0 8 0 amappl6 120 294 0 281 1 0 1 1 0 8 0 amappl5 112 105 0 94 1 0 1 1 0 8 0 amappl4 104 440 0 410 1 0 1 1 0 8 0 amappl3 96 3084 0 2996 4 1 3 3 0 8 0 amappl2 88 888 0 814 2 0 2 2 0 8 0 amappl1 80 10742 0 10155 14 0 14 14 0 8 0 amappl 88 5107 0 4947 5 0 5 5 0 92 0 uvmvnodes 80 2709 0 0 56 0 56 56 0 8 0 dma32768 32768 1 0 1 1 0 1 1 0 8 1 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 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 742 0 711 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 742 0 711 1 0 1 1 0 8 0 vmmpekpl 168 7889 0 7843 3 0 3 3 0 8 0 vmmpepl 168 54255 0 52358 91 2 89 89 0 357 2 vmsppl 488 741 0 711 5 0 5 5 0 8 0 rwobjpl 80 20073 0 16445 75 0 75 75 0 8 0 pdppl 4096 1492 0 1422 98 28 70 84 0 8 0 pvpl 32 14742 0 0 120 1 119 119 0 265 0 pmappl 256 741 0 711 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 285 0 31 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8386eff0) 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(ffffffff8396e950) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8396e950) at __mp_lock+0x199 sys/kern/kern_lock.c:165 intr_handler(ffff80002ebde9a0,ffff80000007aa80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x701f36dca930, count: 9 ddb{0}> trace x86_ipi_db(ffffffff8386eff0) 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(ffffffff8396e950) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8396e950) at __mp_lock+0x199 sys/kern/kern_lock.c:165 intr_handler(ffff80002ebde9a0,ffff80000007aa80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x701f36dca930, count: -6 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 dt_ioctl_record_stop(ffff80000149a000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff800035befa10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800035befa10) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c45ebd0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8074f9c2a0,81,fffffd80097fb4e0,ffff800035befa10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c220990,ffff800035befa10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c220990,ffff800035befa10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c220990,ffff800035befa10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c220990,ffff800035befa10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800035befa10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800035befa10,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800035befa10,ffff80003c45ef40,ffff80003c45ee90) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c45ef40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c45ef40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a687a0c8e80, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff80000149a000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff800035befa10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800035befa10) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c45ebd0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8074f9c2a0,81,fffffd80097fb4e0,ffff800035befa10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c220990,ffff800035befa10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c220990,ffff800035befa10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c220990,ffff800035befa10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c220990,ffff800035befa10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800035befa10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800035befa10,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800035befa10,ffff80003c45ef40,ffff80003c45ee90) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c45ef40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c45ef40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a687a0c8e80, count: -12