uvm_fault(0xfffffd8074558a18, 0x18, 0, 1) -> e kernel: page fault trap, code=0 Stopped at mtx_enter+0x59: movq 0(%r14),%rax TID PID UID PRFLAGS PFLAGS CPU COMMAND mtx_enter(18) at mtx_enter+0x59 sys/kern/kern_lock.c:335 clockintr_unbind(ffff80000142cd30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000014e0e80) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576 dtclose(11e5f,81,2000,ffff80002a77b718) at dtclose+0xd5 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a77b718) at dtclose+0xd5 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c963940) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8067a75568,81,fffffd8007bfb750,ffff80002a77b718) at VOP_CLOSE+0x12a sys/kern/vfs_vops.c:156 vn_closefile(fffffd806becc9e8,ffff80002a77b718) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806becc9e8,ffff80002a77b718) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd806becc9e8,ffff80002a77b718) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806becc9e8,ffff80002a77b718) at closef+0x190 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a77b718) at fdfree+0x115 sys/kern/kern_descrip.c:1182 exit1(ffff80002a77b718,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a77b718,ffff80003c963cb0,ffff80003c963c00) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c963cb0) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c963cb0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7aa515d16bb0, count: 1 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: uvm_fault(0xfffffd8074558a18, 0x18, 0, 1) -> e ddb> trace mtx_enter(18) at mtx_enter+0x59 sys/kern/kern_lock.c:335 clockintr_unbind(ffff80000142cd30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000014e0e80) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576 dtclose(11e5f,81,2000,ffff80002a77b718) at dtclose+0xd5 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a77b718) at dtclose+0xd5 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c963940) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8067a75568,81,fffffd8007bfb750,ffff80002a77b718) at VOP_CLOSE+0x12a sys/kern/vfs_vops.c:156 vn_closefile(fffffd806becc9e8,ffff80002a77b718) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806becc9e8,ffff80002a77b718) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd806becc9e8,ffff80002a77b718) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806becc9e8,ffff80002a77b718) at closef+0x190 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a77b718) at fdfree+0x115 sys/kern/kern_descrip.c:1182 exit1(ffff80002a77b718,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a77b718,ffff80003c963cb0,ffff80003c963c00) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c963cb0) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c963cb0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7aa515d16bb0, count: -14 ddb> show registers rdi 0 rsi 0 rbp 0xffff80003c9637f0 rbx 0xffffffff81f6f020 dtclose rdx 0 rcx 0xffff80002a77b718 rax 0xffff80002a77b718 r8 0x2 r9 0 r10 0x1c2db92e019586e r11 0xa48e14afd9f2240d r12 0 r13 0 r14 0x18 r15 0 rip 0xffffffff81bf1599 mtx_enter+0x59 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c9637c0 ss 0x10 mtx_enter+0x59: movq 0(%r14),%rax ddb> show proc PROC (syz-executor) tid=480928 pid=27905 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=82, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a77b718 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c97a558,0xffff80003c97a7f8 process=0xffff80002a8c9240 user=0xffff80003c95e000, vmspace=0xfffffd8074558a18 estcpu=32, cpticks=1, pctcpu=0.2, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 29524 390746 75789 0 3 0x2 clonelk ifconfig 75789 215312 80061 0 3 0x10008a sigsusp sh 80061 96422 74557 0 3 0x82 wait syz-executor 54750 214087 90792 0 3 0x90 nanoslp syz-executor 54750 85684 90792 0 3 0x4000090 fsleep syz-executor 54750 180507 90792 0 3 0x4000090 bell syz-executor 54750 316866 90792 0 3 0x4000090 fsleep syz-executor 2547 481753 67950 0 3 0x4000080 nanoslp syz-executor 2547 36417 67950 0 3 0x4000080 fsleep syz-executor 93766 337060 0 0 3 0x14200 acct acct 67950 331915 74557 0 3 0x82 nanoslp syz-executor 86756 460973 0 0 3 0x14280 nfsidl nfsio 76091 480921 0 0 3 0x14280 nfsidl nfsio 82385 467059 0 0 3 0x14280 nfsidl nfsio 6187 51251 0 0 3 0x14280 nfsidl nfsio 88559 511404 0 0 3 0x14280 nfsidl nfsio 97763 130186 0 0 3 0x14280 nfsidl nfsio 79048 276733 0 0 3 0x14280 nfsidl nfsio 80976 12141 0 0 3 0x14280 nfsidl nfsio 11470 385744 0 0 3 0x14280 nfsidl nfsio 57261 293053 0 0 3 0x14280 nfsidl nfsio 47267 337525 0 0 3 0x14280 nfsidl nfsio 11682 520524 0 0 3 0x14280 nfsidl nfsio 22166 485373 0 0 3 0x14280 nfsidl nfsio 99730 137180 0 0 3 0x14280 nfsidl nfsio 82667 321999 0 0 3 0x14280 nfsidl nfsio 80822 401503 0 0 3 0x14280 nfsidl nfsio 49195 299117 0 0 3 0x14280 nfsidl nfsio 29438 472996 0 0 3 0x14280 nfsidl nfsio 59798 290963 0 0 3 0x14280 nfsidl nfsio 56849 279960 0 0 3 0x14280 nfsidl nfsio 89785 331897 0 0 3 0x14200 bored sosplice 52396 178661 74557 0 3 0x82 nanoslp syz-executor 8016 97659 74557 0 3 0x82 piperd syz-executor 75122 312556 74557 0 2 0x2 syz-executor 66157 494185 74557 0 3 0x82 piperd syz-executor 90792 150483 74557 0 3 0x82 nanoslp syz-executor 74557 297693 48831 0 3 0x82 wait syz-executor 48831 292415 19767 0 3 0x10008a sigsusp ksh 19767 226766 65448 0 3 0x98 kqread sshd-session 65448 201840 34405 0 3 0x92 kqread sshd-session 21161 364751 1 0 3 0x100083 ttyopn getty 34405 495479 1 0 3 0x88 kqread sshd 40780 197076 96404 73 3 0x1100090 kqread syslogd 96404 174602 1 0 3 0x100082 sbwait syslogd 38668 449437 1 0 3 0x100080 kqread resolvd 51003 323278 33278 77 3 0x100092 kqread dhcpleased 86765 445802 33278 77 3 0x100092 kqread dhcpleased 33278 335125 1 0 3 0x80 kqread dhcpleased 85569 339088 0 0 3 0x14200 bored smr 99523 500053 0 0 2 0x14200 zerothread 9457 209051 0 0 3 0x14200 aiodoned aiodoned 71764 366458 0 0 3 0x14200 syncer update 64614 140439 0 0 3 0x14200 cleaner cleaner 79658 256743 0 0 3 0x14200 reaper reaper 52288 124006 0 0 3 0x14200 pgdaemon pagedaemon 78534 446576 0 0 3 0x14200 bored viomb 25646 403203 0 0 3 0x40014200 acpi0 acpi0 12471 426316 0 0 3 0x14200 bored softnet7 86808 278134 0 0 3 0x14200 bored softnet6 13874 407059 0 0 3 0x14200 bored softnet5 56508 214721 0 0 3 0x14200 bored softnet4 22948 291067 0 0 3 0x14200 bored softnet3 52133 297870 0 0 3 0x14200 bored softnet2 13099 370538 0 0 3 0x14200 bored softnet1 32644 12212 0 0 3 0x14200 bored softnet0 30097 133183 0 0 3 0x14200 bored systqmp 21929 127905 0 0 3 0x14200 bored systq 70515 98647 0 0 3 0x40014200 tmoslp softclock 60809 255758 0 0 3 0x40014200 idle0 1 237168 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10217 11098K 12174K 166960K 13994 0 pcb 17 16K 24K 166960K 294 0 rtable 166 7K 8K 166960K 726 0 pf 31 13K 20K 166960K 167 0 ifaddr 36 6K 8K 166960K 164 0 ifgroup 46 2K 2K 166960K 209 0 sysctl 4 1K 9K 166960K 12 0 counters 31 17K 18K 166960K 129 0 ioctlops 0 0K 4K 166960K 293 0 iov 0 0K 32K 166960K 97 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1595 100K 101K 166960K 3095 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 27 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 51 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 240K 166960K 1402 0 sigio 0 0K 0K 166960K 89 0 proc 67 67K 91K 166960K 1121 0 subproc 72 4K 4K 166960K 254 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 278 0 in_multi 71 5K 7K 166960K 354 0 ether_multi 1 0K 0K 166960K 9 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 893 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 203 144K 170K 166960K 12712 0 UVM aobj 73 3K 3K 166960K 75 0 pinsyscall 36 72K 91K 166960K 2934 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 60 0 NDP 12 0K 2K 166960K 118 0 temp 76 8676K 8923K 166960K 53421 0 kqueue 14 22K 36K 166960K 211 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 246 0 243 3 0 3 3 0 8 2 rtentry 136 297 0 233 4 0 4 4 0 8 0 unpcb 144 1119 0 1104 2 0 2 2 0 8 1 syncache 336 7 0 7 1 0 1 1 0 8 1 tcpqe 32 2 0 2 1 0 1 1 0 8 1 tcpcb 736 466 0 460 7 0 7 7 0 8 6 arp 88 33 0 24 1 0 1 1 0 8 0 ipq 40 2 0 1 1 0 1 1 0 8 0 ipqe 40 5 0 4 1 0 1 1 0 8 0 inpcb 328 1702 0 1691 10 0 10 10 0 8 8 ip6q 72 4 0 3 1 0 1 1 0 8 0 ip6af 40 8 0 6 1 0 1 1 0 8 0 nd6 104 59 0 48 1 0 1 1 0 8 0 pkpcb 40 45 0 45 1 0 1 1 0 8 1 kcovpl 48 28 0 20 1 0 1 1 0 8 0 ppxss 1072 72 0 72 1 0 1 1 0 8 1 pppxif 1384 4 0 4 1 0 1 1 0 8 1 pfstscr 40 4 0 3 1 0 1 1 0 8 0 pfrktable 1344 3 0 3 1 0 1 1 0 8 1 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pftag 88 4 0 1 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 8 0 6 1 0 1 1 0 8 0 pfstate 384 4 0 3 1 0 1 1 0 8 0 pfrule 1344 8 0 8 1 0 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 1373 0 1069 28 0 28 28 0 8 7 art_table 40 1376 0 1069 5 0 5 5 0 8 0 art_node 32 294 0 240 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 3 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 47 0 37 1 0 1 1 0 8 0 shmpl 112 72 0 2 2 0 2 2 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 3575 0 2036 97 0 97 97 0 8 0 ffsino 256 3575 0 2036 97 0 97 97 0 8 0 nchpl 144 5179 0 3438 65 0 65 65 0 8 0 rtmask 32 9 0 9 1 0 1 1 0 8 1 uvmvnodes 80 4891 0 0 100 0 100 100 0 8 0 vnodes 216 4891 0 0 272 0 272 272 0 8 0 namei 1024 21905 0 21905 2 0 2 2 0 8 2 kstatmem 264 124 0 104 2 0 2 2 0 8 0 scsiplug 72 8 0 8 1 0 1 1 0 8 1 scxspl 216 16842 0 16842 8 0 8 8 1 8 8 plimitpl 152 398 0 380 1 0 1 1 0 8 0 sigapl 424 1662 0 1593 9 0 9 9 0 8 0 knotepl 120 340715 0 340439 25 15 10 17 0 8 1 kqueuepl 184 533 0 522 5 0 5 5 0 8 4 pipepl 304 449 0 357 8 0 8 8 0 8 0 fdescpl 448 1616 0 1589 4 0 4 4 0 8 0 filepl 120 11719 0 11376 14 0 14 14 0 8 3 lockfpl 104 1237 0 1234 2 0 2 2 0 8 1 lockfspl 48 474 0 471 1 0 1 1 0 8 0 sessionpl 144 44 0 36 1 0 1 1 0 8 0 pgrppl 48 86 0 70 1 0 1 1 0 8 0 ucredpl 104 1683 0 1670 1 0 1 1 0 8 0 zombiepl 144 1595 0 1593 1 0 1 1 0 8 0 processpl 1168 1662 0 1593 6 0 6 6 0 8 0 procpl 656 3156 0 3083 8 0 8 8 0 8 1 sosppl 168 5 0 5 1 0 1 1 0 8 1 sockpl 552 3372 0 3343 12 1 11 12 0 8 8 mcl64k 65536 39 0 39 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl9k 9216 3 0 3 1 0 1 1 0 8 1 mcl8k 8192 13 0 13 1 0 1 1 0 8 1 mcl4k 4096 3752 0 3700 13 0 13 13 0 8 5 mcl2k 2048 1944 0 1940 5 0 5 5 0 8 4 mtagpl 96 132 0 76 3 0 3 3 0 8 0 mbufpl 256 16322 0 16127 24 0 24 24 0 8 5 bufpl 280 5389 0 125 376 0 376 376 0 8 0 anonpl 24 234139 0 226075 77 0 77 77 0 187 2 amapchunkpl 152 42136 0 41667 36 0 36 36 0 158 13 amappl16 200 4209 0 3958 27 0 27 27 0 8 0 amappl15 192 11 0 10 1 0 1 1 0 8 0 amappl14 184 147 0 137 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 0 1 1 0 8 1 amappl12 168 2531 0 2504 2 0 2 2 0 8 0 amappl11 160 46 0 36 1 0 1 1 0 8 0 amappl10 152 9 0 9 1 0 1 1 0 8 1 amappl9 144 241 0 241 1 0 1 1 0 8 1 amappl8 136 47 0 44 1 0 1 1 0 8 0 amappl7 128 150 0 140 1 0 1 1 0 8 0 amappl6 120 367 0 362 1 0 1 1 0 8 0 amappl5 112 187 0 179 1 0 1 1 0 8 0 amappl4 104 294 0 277 1 0 1 1 0 8 0 amappl3 96 8247 0 8161 4 0 4 4 0 8 0 amappl2 88 905 0 846 2 0 2 2 0 8 0 amappl1 80 14968 0 14419 14 0 14 14 0 8 1 amappl 88 11569 0 11429 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 9 0 9 1 0 1 1 0 8 1 dma128 128 255 0 255 1 0 1 1 0 8 1 dma64 64 7 0 7 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 74 0 2 2 0 2 2 0 8 0 uaddrrnd 24 1616 0 1589 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1616 0 1589 1 0 1 1 0 8 0 vmmpekpl 168 13547 0 13502 3 0 3 3 0 8 0 vmmpepl 168 110358 0 108445 106 0 106 106 0 357 8 vmsppl 368 1615 0 1589 4 0 4 4 0 8 1 rwobjpl 40 33454 0 27421 62 0 62 62 0 8 0 pdppl 4096 3239 0 3178 117 48 69 77 0 8 8 pvpl 32 675587 0 661783 158 0 158 158 0 265 10 pmappl 216 1615 0 1589 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 417 0 48 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace mtx_enter(18) at mtx_enter+0x59 sys/kern/kern_lock.c:335 clockintr_unbind(ffff80000142cd30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000014e0e80) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576 dtclose(11e5f,81,2000,ffff80002a77b718) at dtclose+0xd5 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a77b718) at dtclose+0xd5 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c963940) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8067a75568,81,fffffd8007bfb750,ffff80002a77b718) at VOP_CLOSE+0x12a sys/kern/vfs_vops.c:156 vn_closefile(fffffd806becc9e8,ffff80002a77b718) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806becc9e8,ffff80002a77b718) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd806becc9e8,ffff80002a77b718) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806becc9e8,ffff80002a77b718) at closef+0x190 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a77b718) at fdfree+0x115 sys/kern/kern_descrip.c:1182 exit1(ffff80002a77b718,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a77b718,ffff80003c963cb0,ffff80003c963c00) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c963cb0) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c963cb0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7aa515d16bb0, count: -14 ddb> machine ddbcpu 1 No such command ddb> trace mtx_enter(18) at mtx_enter+0x59 sys/kern/kern_lock.c:335 clockintr_unbind(ffff80000142cd30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff8000014e0e80) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576 dtclose(11e5f,81,2000,ffff80002a77b718) at dtclose+0xd5 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a77b718) at dtclose+0xd5 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c963940) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8067a75568,81,fffffd8007bfb750,ffff80002a77b718) at VOP_CLOSE+0x12a sys/kern/vfs_vops.c:156 vn_closefile(fffffd806becc9e8,ffff80002a77b718) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806becc9e8,ffff80002a77b718) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd806becc9e8,ffff80002a77b718) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806becc9e8,ffff80002a77b718) at closef+0x190 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a77b718) at fdfree+0x115 sys/kern/kern_descrip.c:1182 exit1(ffff80002a77b718,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a77b718,ffff80003c963cb0,ffff80003c963c00) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c963cb0) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c963cb0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7aa515d16bb0, count: -14