uvm_fault(0xfffffd806eeed1f0, 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 263713 10622 0 0 0 0 syz-executor dt_ioctl_record_stop(ffff8000016fd000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff800030feb4f8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800030feb4f8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a7d8be0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f06a798,81,fffffd80097fb5b0,ffff800030feb4f8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c90cdd8,ffff800030feb4f8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c90cdd8,ffff800030feb4f8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c90cdd8,ffff800030feb4f8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c90cdd8,ffff800030feb4f8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800030feb4f8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800030feb4f8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800030feb4f8,ffff80002a7d8f50,ffff80002a7d8ea0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a7d8f50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a7d8f50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x728ad7d87d10, 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(0xfffffd806eeed1f0, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff8000016fd000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff800030feb4f8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800030feb4f8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a7d8be0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f06a798,81,fffffd80097fb5b0,ffff800030feb4f8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c90cdd8,ffff800030feb4f8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c90cdd8,ffff800030feb4f8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c90cdd8,ffff800030feb4f8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c90cdd8,ffff800030feb4f8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800030feb4f8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800030feb4f8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800030feb4f8,ffff80002a7d8f50,ffff80002a7d8ea0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a7d8f50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a7d8f50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x728ad7d87d10, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a7d8b10 rbx 0x1 rdx 0 rcx 0xffff800030feb4f8 rax 0xffffffff837c1398 dt_prov_syscall r8 0 r9 0 r10 0xcd1a8a462a4b1ead r11 0xd6e30f8a15079062 r12 0 r13 0 r14 0 r15 0xffff80000142a500 rip 0xffffffff815fc868 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80002a7d8ae0 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=196423 pid=82353 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff800030feb4f8 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff800030fecfb0,0xffff800030fea578 process=0xffff80003c4226a0 user=0xffff80002a7d4000, vmspace=0xfffffd806eeed1f0 estcpu=36, cpticks=5, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 10622 263713 96896 0 7 0 syz-executor 10622 440296 96896 0 3 0x4000080 sbwait syz-executor 48952 488739 44978 0 3 0x80 nanoslp syz-executor 48952 112095 44978 0 3 0x4000080 kqsel syz-executor 48952 384312 44978 0 3 0x4000080 fsleep syz-executor 76616 159921 65902 0 3 0x80 nanoslp syz-executor 76616 276801 65902 0 3 0x4000080 ttyout syz-executor 76616 210089 65902 0 3 0x4000080 fsleep syz-executor 1904 55636 5376 0 3 0x80 nanoslp syz-executor 1904 293937 5376 0 3 0x4000080 wsevent_read syz-executor 1904 475730 5376 0 3 0x4000080 fsleep syz-executor 94696 287702 38644 0 3 0x80 nanoslp syz-executor 94696 248193 38644 0 3 0x4000080 kqsel syz-executor 94696 365057 38644 0 3 0x4000080 fsleep syz-executor 85934 379314 0 0 3 0x14200 acct acct 21397 462877 1 0 3 0x100083 ttyin getty 5376 160704 74444 0 2 0x3 syz-executor 62414 336712 74444 0 3 0x82 nanoslp syz-executor 21689 422883 74444 0 3 0x82 nanoslp syz-executor 65902 338490 74444 0 3 0x82 nanoslp syz-executor 44978 77237 74444 0 3 0x82 nanoslp syz-executor 38644 487291 74444 0 3 0x82 nanoslp syz-executor 24022 420295 0 0 3 0x14200 bored sosplice 96896 483629 74444 0 3 0x82 nanoslp syz-executor 74033 416003 74444 0 3 0x82 nanoslp syz-executor 74444 478904 41565 0 3 0x82 kqread syz-executor 41565 501910 18912 0 3 0x10008a sigsusp ksh 18912 463421 38609 0 3 0x98 kqread sshd-session 38609 229574 46734 0 3 0x92 kqread sshd-session 46734 9666 1 0 3 0x88 kqread sshd 69884 415848 63846 74 3 0x1100092 bpf pflogd 63846 394608 1 0 3 0x80 sbwait pflogd 40985 417671 18171 73 3 0x1100090 kqread syslogd 18171 296983 1 0 3 0x100082 sbwait syslogd 89831 385435 1 0 3 0x100080 kqread resolvd 68793 25876 30562 77 3 0x100092 kqread dhcpleased 96416 472131 30562 77 3 0x100092 kqread dhcpleased 30562 348870 1 0 3 0x80 kqread dhcpleased 99699 458729 0 0 3 0x14200 bored smr 90083 405469 0 0 3 0x14200 pgzero zerothread 85260 124633 0 0 3 0x14200 aiodoned aiodoned 89028 452020 0 0 3 0x14200 syncer update 14924 506391 0 0 3 0x14200 cleaner cleaner 34154 230097 0 0 3 0x14200 reaper reaper 85577 194195 0 0 3 0x14200 pgdaemon pagedaemon 77076 315880 0 0 3 0x14200 bored viomb 12083 98273 0 0 3 0x40014200 acpi0 acpi0 67202 323541 0 0 3 0x40014200 idle1 80294 412800 0 0 3 0x14200 bored softnet1 81133 389541 0 0 3 0x14200 bored softnet0 11643 300281 0 0 3 0x14200 bored systqmp 84643 233256 0 0 3 0x14200 bored systq 82240 153620 0 0 3 0x14200 tmoslp softclockmp 50221 134519 0 0 3 0x40014200 tmoslp softclock 92280 332840 0 0 3 0x40014200 idle0 1 320922 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 10263 11097K 13811K 166960K 16286 0 pcb 17 20K 24K 166960K 1186 0 rtable 252 17K 18K 166960K 1361 0 pf 41 19K 67487K 166960K 608 0 ifaddr 37 7K 9K 166960K 338 0 ifgroup 62 2K 3K 166960K 668 0 sysctl 4 1K 9K 166960K 55 0 counters 70 37K 38K 166960K 814 0 ioctlops 0 0K 5K 166960K 2568 0 iov 0 0K 24K 166960K 366 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1582 99K 100K 166960K 5964 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 616K 624K 166960K 86 0 VM map 2 1K 1K 166960K 2 0 sem 20 36K 37K 166960K 224 0 dirhash 12 2K 3K 166960K 114 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 4816 0 sigio 0 0K 0K 166960K 232 0 proc 73 115K 164K 166960K 1387 0 subproc 72 4K 4K 166960K 204 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 692 0 in_multi 49 3K 7K 166960K 424 0 ether_multi 1 0K 0K 166960K 66 0 mrt 3 0K 0K 166960K 45 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 301 1341K 1341K 166960K 301 0 exec 0 0K 1K 166960K 1895 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 273 162K 178K 166960K 44135 0 UVM aobj 68 5K 5K 166960K 82 0 pinsyscall 43 86K 98K 166960K 6283 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 1K 166960K 313 0 NDP 13 0K 2K 166960K 258 0 temp 88 8656K 8912K 166960K 205677 0 kqueue 15 22K 34K 166960K 1008 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 120 476 0 473 3 2 1 3 0 8 0 rtentry 176 423 0 339 6 1 5 6 0 8 0 unpcb 144 3974 0 3957 27 23 4 6 0 8 3 syncache 336 11 0 11 2 2 0 1 0 8 0 tcpqe 32 5 0 5 2 2 0 1 0 8 0 tcpcb 736 1915 0 1909 28 21 7 7 0 8 6 arp 136 73 0 48 1 0 1 1 0 8 0 inpcb 328 6149 0 6137 46 39 7 13 0 8 6 nd6 152 94 0 82 2 0 2 2 0 8 0 pkpcb 40 102 0 102 4 3 1 1 0 8 1 kcovpl 48 22 0 14 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 294 0 294 3 2 1 1 0 8 1 pppxif 1504 30 0 30 3 3 0 1 0 8 0 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 57 0 41 2 0 2 2 0 482 0 pffrnode 88 36 0 22 1 0 1 1 0 8 0 pffrent 40 109 0 92 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 11 0 11 5 5 0 1 0 8 0 pfanchor 1288 4 0 2 2 1 1 1 0 8 0 pftag 88 8 0 2 2 1 1 1 0 8 0 pfstitem 24 292 0 136 1 0 1 1 0 8 0 pfstkey 128 295 0 139 6 0 6 6 0 8 0 pfstate 384 294 0 138 16 0 16 16 0 8 0 pfrule 1344 41 0 37 2 1 1 2 0 8 0 rttmr 136 11 0 11 4 4 0 1 0 8 0 art_heap8 4096 6 0 0 6 0 6 6 0 8 0 art_heap4 256 1872 0 1616 48 18 30 31 0 8 4 art_table 40 1878 0 1616 5 0 5 5 0 8 0 art_node 32 414 0 352 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 3 2 2 0 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 219 0 201 1 0 1 1 0 8 0 shmpl 112 79 0 14 2 0 2 2 0 8 0 dirhash 1024 85 0 68 3 0 3 3 0 8 0 dino2pl 256 11025 0 9491 97 0 97 97 0 8 0 ffsino 296 11025 0 9491 119 0 119 119 0 8 0 nchpl 144 17441 0 16801 65 41 24 64 0 8 0 rtmask 32 51 0 51 3 3 0 1 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 64808 0 64808 6 5 1 2 0 8 1 percpumem 16 422 0 372 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0 kstatmem 264 430 0 398 3 0 3 3 0 8 0 scsiplug 72 16 0 16 6 5 1 1 0 8 1 scxspl 216 125399 0 125399 19 18 1 8 1 8 1 plimitpl 152 1264 0 1245 1 0 1 1 0 8 0 sigapl 424 5059 0 5009 7 1 6 7 0 8 0 knotepl 120 883 0 0 25 0 25 25 0 8 0 kqueuepl 224 1994 0 1980 15 13 2 5 0 8 1 pipepl 344 993 0 965 12 9 3 8 0 8 0 fdescpl 528 5029 0 4997 3 0 3 3 0 8 0 filepl 160 39382 0 39142 43 24 19 21 0 8 6 lockfpl 104 1704 0 1701 3 2 1 2 0 8 0 lockfspl 48 664 0 661 1 0 1 1 0 8 0 sessionpl 144 44 0 35 1 0 1 1 0 8 0 pgrppl 48 136 0 118 1 0 1 1 0 8 0 ucredpl 104 7119 0 7105 1 0 1 1 0 8 0 zombiepl 144 5093 0 5090 1 0 1 1 0 8 0 processpl 1232 5059 0 5009 6 1 5 5 0 8 0 procpl 664 12962 0 12903 8 1 7 7 0 8 0 sosppl 168 26 0 26 5 4 1 1 0 8 1 sockpl 752 10998 0 10966 104 93 11 27 0 8 7 mcl64k 65536 33 0 0 5 1 4 5 0 8 0 mcl16k 16384 4 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 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 113 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 62 0 0 6 0 6 6 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 1215 0 0 72 0 72 72 0 8 0 bufpl 280 50544 0 44407 439 0 439 439 0 8 0 anonpl 32 12641 0 0 102 0 102 102 0 246 0 amapchunkpl 152 153873 0 153207 47 19 28 35 0 158 0 amappl16 200 17947 0 17880 87 70 17 26 0 8 4 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 11 0 10 1 0 1 1 0 8 0 amappl13 176 599 0 598 1 0 1 1 0 8 0 amappl12 168 5517 0 5472 3 0 3 3 0 8 0 amappl11 160 6 0 5 1 0 1 1 0 8 0 amappl10 152 52 0 38 1 0 1 1 0 8 0 amappl9 144 297 0 296 2 1 1 1 0 8 0 amappl8 136 32 0 29 1 0 1 1 0 8 0 amappl7 128 142 0 140 1 0 1 1 0 8 0 amappl6 120 460 0 446 1 0 1 1 0 8 0 amappl5 112 88 0 77 1 0 1 1 0 8 0 amappl4 104 532 0 502 1 0 1 1 0 8 0 amappl3 96 27944 0 27836 4 1 3 3 0 8 0 amappl2 88 5166 0 5087 2 0 2 2 0 8 0 amappl1 80 30784 0 30183 15 0 15 15 0 8 0 amappl 88 42327 0 42133 5 0 5 5 0 92 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 dma65536 65536 65 0 65 1 1 0 1 0 8 0 dma32768 32768 2 0 2 2 2 0 1 0 8 0 dma16384 16384 2 0 2 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma2048 2048 2 0 2 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 13 0 13 5 5 0 1 0 8 0 dma128 128 261 0 261 6 6 0 1 0 8 0 dma64 64 75 0 75 4 4 0 1 0 8 0 dma32 32 9 0 9 3 3 0 1 0 8 0 dma16 16 23 0 22 1 0 1 1 0 8 0 aobjpl 72 81 0 14 2 0 2 2 0 8 0 uaddrrnd 24 5029 0 4997 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5029 0 4997 1 0 1 1 0 8 0 vmmpekpl 168 39461 0 39394 4 0 4 4 0 8 0 vmmpepl 168 318576 0 316516 131 31 100 107 0 357 2 vmsppl 488 5028 0 4997 6 1 5 5 0 8 0 rwobjpl 80 86734 0 79725 153 2 151 151 0 8 0 pdppl 4096 10066 0 9994 124 52 72 80 0 8 0 pvpl 32 22253 0 0 178 0 178 178 0 265 0 pmappl 256 5028 0 4997 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 433 0 113 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837ecff0) 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 end of kernel end trace frame: 0x72b9f83505c0, count: 12 ddb{0}> trace x86_ipi_db(ffffffff837ecff0) 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 end of kernel end trace frame: 0x72b9f83505c0, count: -3 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 dt_ioctl_record_stop(ffff8000016fd000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff800030feb4f8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800030feb4f8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a7d8be0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f06a798,81,fffffd80097fb5b0,ffff800030feb4f8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c90cdd8,ffff800030feb4f8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c90cdd8,ffff800030feb4f8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c90cdd8,ffff800030feb4f8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c90cdd8,ffff800030feb4f8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800030feb4f8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800030feb4f8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800030feb4f8,ffff80002a7d8f50,ffff80002a7d8ea0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a7d8f50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a7d8f50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x728ad7d87d10, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff8000016fd000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff800030feb4f8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800030feb4f8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a7d8be0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f06a798,81,fffffd80097fb5b0,ffff800030feb4f8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c90cdd8,ffff800030feb4f8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c90cdd8,ffff800030feb4f8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c90cdd8,ffff800030feb4f8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c90cdd8,ffff800030feb4f8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800030feb4f8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800030feb4f8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800030feb4f8,ffff80002a7d8f50,ffff80002a7d8ea0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a7d8f50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a7d8f50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x728ad7d87d10, count: -12