uvm_fault(0xfffffd80694f1d78, 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 512588 57199 0 0 0x4000000 0 syz-executor dt_ioctl_record_stop(ffff800001561000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003c4b74f0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c4b74f0) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002ec04db0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800c922518,81,fffffd80097fb478,ffff80003c4b74f0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ff575e8,ffff80003c4b74f0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ff575e8,ffff80003c4b74f0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ff575e8,ffff80003c4b74f0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ff575e8,ffff80003c4b74f0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c4b74f0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c4b74f0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4b74f0,ffff80002ec05120,ffff80002ec05070) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002ec05120) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ec05120) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x755adc7eb860, 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(0xfffffd80694f1d78, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff800001561000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003c4b74f0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c4b74f0) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002ec04db0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800c922518,81,fffffd80097fb478,ffff80003c4b74f0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ff575e8,ffff80003c4b74f0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ff575e8,ffff80003c4b74f0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ff575e8,ffff80003c4b74f0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ff575e8,ffff80003c4b74f0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c4b74f0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c4b74f0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4b74f0,ffff80002ec05120,ffff80002ec05070) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002ec05120) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ec05120) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x755adc7eb860, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002ec04ce0 rbx 0x1 rdx 0 rcx 0xffff80003c4b74f0 rax 0xffffffff83855660 dt_prov_static r8 0x9 r9 0x1 r10 0x7039784c3ecdc94e r11 0x56faaf5756a95aa4 r12 0 r13 0 r14 0 r15 0xffff8000014b4800 rip 0xffffffff81afcf38 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80002ec04cb0 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=308213 pid=42742 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c4b74f0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c4b6030,0xffff80003c4b7cc8 process=0xffff800037c26b70 user=0xffff80002ec00000, vmspace=0xfffffd80694f1d78 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 23675 220525 60994 0 2 0 syz-executor 57199 9437 24784 0 2 0 syz-executor 57199 512588 24784 0 7 0x4000000 syz-executor 78783 195513 50425 0 2 0 syz-executor 78783 265889 50425 0 3 0x4000080 fsleep syz-executor 78783 94567 50425 0 3 0x4000080 fsleep syz-executor 78783 214892 50425 0 3 0x4000080 fsleep syz-executor 78270 405447 6843 0 2 0 syz-executor 78270 273807 6843 0 3 0x4000080 fsleep syz-executor 78270 20241 6843 0 2 0x4000000 syz-executor 72062 171513 95349 0 3 0x80 nanoslp syz-executor 72062 260320 95349 0 3 0x4000080 fsleep syz-executor 72062 221613 95349 0 3 0x4000080 pipewr syz-executor 92153 327824 42872 0 3 0x80 nanoslp syz-executor 92153 5839 42872 0 3 0x4000080 kqread syz-executor 92153 424983 42872 0 3 0x4000080 fsleep syz-executor 24784 284853 95723 0 3 0x82 nanoslp syz-executor 97732 452238 0 0 3 0x14200 bored sosplice 42872 393983 95723 0 3 0x82 nanoslp syz-executor 60994 304744 95723 0 2 0x2 syz-executor 50425 246376 95723 0 3 0x82 nanoslp syz-executor 986 106124 95723 0 3 0x82 nanoslp syz-executor 6843 433899 95723 0 3 0x82 nanoslp syz-executor 95765 467028 95723 0 2 0x2 syz-executor 95349 510878 95723 0 3 0x82 nanoslp syz-executor 95723 302306 56836 0 3 0x82 kqread syz-executor 56836 190463 6517 0 3 0x10008a sigsusp ksh 6517 420060 71449 0 3 0x98 kqread sshd-session 71449 423419 15942 0 3 0x92 kqread sshd-session 93218 235405 1 0 3 0x100083 ttyopn getty 15942 208641 1 0 3 0x88 kqread sshd 59239 329474 19577 74 3 0x1100092 bpf pflogd 19577 309586 1 0 3 0x80 sbwait pflogd 84989 412143 39929 73 3 0x1100090 kqread syslogd 39929 80155 1 0 3 0x100082 sbwait syslogd 24761 208537 1 0 3 0x100080 kqread resolvd 74266 30047 19502 77 3 0x100092 kqread dhcpleased 9581 213003 19502 77 3 0x100092 kqread dhcpleased 19502 289695 1 0 3 0x80 kqread dhcpleased 20469 84114 0 0 3 0x14200 bored smr 74530 297934 0 0 2 0x14200 zerothread 72138 158025 0 0 3 0x14200 aiodoned aiodoned 81261 134501 0 0 3 0x14200 syncer update 67906 224899 0 0 3 0x14200 cleaner cleaner 88824 100125 0 0 3 0x14200 reaper reaper 23122 73711 0 0 3 0x14200 pgdaemon pagedaemon 89199 386657 0 0 3 0x14200 bored viomb 19512 424741 0 0 3 0x40014200 acpi0 acpi0 68102 213042 0 0 3 0x40014200 idle1 76757 284509 0 0 3 0x14200 bored softnet7 57530 87864 0 0 3 0x14200 bored softnet6 818 206527 0 0 3 0x14200 bored softnet5 29166 497973 0 0 3 0x14200 bored softnet4 8373 154731 0 0 3 0x14200 bored softnet3 50790 474714 0 0 3 0x14200 bored softnet2 88463 477131 0 0 3 0x14200 bored softnet1 80821 328350 0 0 3 0x14200 bored softnet0 24714 369210 0 0 3 0x14200 bored systqmp 30443 518473 0 0 3 0x14200 bored systq 40894 306797 0 0 3 0x14200 tmoslp softclockmp 12055 359046 0 0 3 0x40014200 tmoslp softclock 38168 284683 0 0 3 0x40014200 idle0 1 357391 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 10226 11093K 11797K 166960K 11744 0 pcb 17 14K 15K 166960K 107 0 rtable 175 7K 8K 166960K 372 0 pf 39 18K 82K 166960K 125 0 ifaddr 38 6K 7K 166960K 89 0 ifgroup 59 2K 3K 166960K 150 0 sysctl 3 1K 9K 166960K 8 0 counters 70 37K 38K 166960K 146 0 ioctlops 0 0K 4K 166960K 1598 0 iov 0 0K 24K 166960K 62 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1405 88K 89K 166960K 1787 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 22 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 97K 166960K 647 0 sigio 1 0K 0K 166960K 12 0 proc 72 115K 180K 166960K 655 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 48 0 in_multi 74 5K 7K 166960K 140 0 ether_multi 1 0K 0K 166960K 3 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 442 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 254 160K 168K 166960K 7392 0 UVM aobj 16 2K 4K 166960K 18 0 pinsyscall 43 86K 104K 166960K 1787 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 36 0 NDP 13 0K 1K 166960K 63 0 temp 80 8652K 8716K 166960K 28194 0 kqueue 16 26K 36K 166960K 140 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 72 0 68 1 0 1 1 0 8 0 rtentry 176 126 0 56 5 1 4 5 0 8 0 unpcb 144 430 0 413 4 0 4 4 0 8 3 syncache 336 6 0 6 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 212 0 207 7 6 1 7 0 8 0 arp 128 15 0 4 1 0 1 1 0 8 0 inpcb 328 645 0 633 7 0 7 7 0 8 5 nd6 144 21 0 8 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 25 0 25 1 0 1 1 0 8 1 pppxif 1504 4 0 4 2 1 1 1 0 8 1 pffrag 232 4 0 1 1 0 1 1 0 482 0 pffrnode 88 4 0 1 1 0 1 1 0 8 0 pffrent 40 5 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 pfstitem 24 53 0 2 1 0 1 1 0 8 0 pfstkey 128 55 0 4 2 0 2 2 0 8 0 pfstate 384 52 0 3 5 0 5 5 0 8 0 pfrule 1344 25 0 19 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 580 0 254 27 1 26 27 0 8 5 art_table 40 583 0 254 5 0 5 5 0 8 0 art_node 32 124 0 64 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 7 1 0 1 1 0 8 1 semapl 112 17 0 7 1 0 1 1 0 8 0 shmpl 112 15 0 2 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2565 0 1054 95 0 95 95 0 8 0 ffsino 296 2565 0 1054 117 0 117 117 0 8 0 nchpl 144 3440 0 1745 64 0 64 64 0 8 0 rtmask 32 4 0 4 1 0 1 1 0 8 1 uvmvnodes 80 2842 0 0 58 0 58 58 0 8 0 vnodes 216 2842 0 0 158 0 158 158 0 8 0 namei 1024 11321 0 11321 2 1 1 2 0 8 1 percpumem 16 88 0 38 1 0 1 1 0 8 0 kstatmem 264 86 0 56 3 0 3 3 0 8 0 scxspl 216 18472 0 18472 10 2 8 8 1 8 8 plimitpl 152 165 0 147 1 0 1 1 0 8 0 sigapl 424 949 0 894 7 0 7 7 0 8 0 knotepl 120 422 0 0 13 0 13 13 0 8 0 kqueuepl 224 211 0 198 2 0 2 2 0 8 1 pipepl 344 150 0 122 3 0 3 3 0 8 0 fdescpl 528 925 0 893 3 0 3 3 0 8 0 filepl 160 5149 0 4921 13 0 13 13 0 8 2 lockfpl 104 314 0 312 1 0 1 1 0 8 0 lockfspl 48 76 0 74 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 46 0 29 1 0 1 1 0 8 0 ucredpl 104 695 0 681 1 0 1 1 0 8 0 zombiepl 144 896 0 894 1 0 1 1 0 8 0 processpl 1232 949 0 894 5 0 5 5 0 8 0 procpl 664 1828 0 1763 7 0 7 7 0 8 0 sosppl 168 6 0 6 1 0 1 1 0 8 1 sockpl 752 1164 0 1131 12 0 12 12 0 8 7 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 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 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 122 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 29 0 0 4 0 4 4 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 191 0 0 12 0 12 12 0 8 0 bufpl 280 7474 0 1331 439 0 439 439 0 8 0 anonpl 32 11606 0 0 94 0 94 94 0 246 0 amapchunkpl 152 23664 0 23114 34 4 30 30 0 158 8 amappl16 200 3873 0 3839 24 7 17 18 0 8 9 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 119 0 107 1 0 1 1 0 8 0 amappl13 176 22 0 22 1 1 0 1 0 8 0 amappl12 168 1595 0 1564 3 1 2 2 0 8 0 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 243 0 243 1 1 0 1 0 8 0 amappl8 136 27 0 24 1 0 1 1 0 8 0 amappl7 128 115 0 103 1 0 1 1 0 8 0 amappl6 120 200 0 196 1 0 1 1 0 8 0 amappl5 112 134 0 124 1 0 1 1 0 8 0 amappl4 104 317 0 297 1 0 1 1 0 8 0 amappl3 96 4655 0 4530 5 1 4 4 0 8 0 amappl2 88 673 0 609 2 0 2 2 0 8 0 amappl1 80 10924 0 10322 15 0 15 15 0 8 0 amappl 88 6605 0 6423 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 128 254 0 254 2 2 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 17 0 2 1 0 1 1 0 8 0 uaddrrnd 24 925 0 893 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 925 0 893 1 0 1 1 0 8 0 vmmpekpl 168 8980 0 8941 3 0 3 3 0 8 0 vmmpepl 168 65583 0 63527 104 0 104 104 0 357 2 vmsppl 488 924 0 893 5 0 5 5 0 8 0 rwobjpl 80 23041 0 19219 83 0 83 83 0 8 0 pdppl 4096 1858 0 1786 106 32 74 88 0 8 2 pvpl 32 18948 0 0 153 0 153 153 0 265 0 pmappl 256 924 0 893 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 285 0 42 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_lock(ffffffff839777d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839777d8) at __mp_lock+0x192 sys/kern/kern_lock.c:165 end trace frame: 0x0, count: 11 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_lock(ffffffff839777d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839777d8) at __mp_lock+0x192 sys/kern/kern_lock.c:165 end trace frame: 0x0, count: -4 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 dt_ioctl_record_stop(ffff800001561000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003c4b74f0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c4b74f0) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002ec04db0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800c922518,81,fffffd80097fb478,ffff80003c4b74f0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ff575e8,ffff80003c4b74f0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ff575e8,ffff80003c4b74f0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ff575e8,ffff80003c4b74f0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ff575e8,ffff80003c4b74f0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c4b74f0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c4b74f0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4b74f0,ffff80002ec05120,ffff80002ec05070) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002ec05120) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ec05120) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x755adc7eb860, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff800001561000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003c4b74f0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c4b74f0) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002ec04db0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800c922518,81,fffffd80097fb478,ffff80003c4b74f0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ff575e8,ffff80003c4b74f0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ff575e8,ffff80003c4b74f0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ff575e8,ffff80003c4b74f0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ff575e8,ffff80003c4b74f0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c4b74f0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c4b74f0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4b74f0,ffff80002ec05120,ffff80002ec05070) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002ec05120) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ec05120) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x755adc7eb860, count: -12