uvm_fault(0xfffffd806ee8a5c0, 0x48, 0, 1) -> e kernel: page fault trap, code=0 Stopped at witness_checkorder+0xb5: movl 0x20(%r14),%r15d TID PID UID PRFLAGS PFLAGS CPU COMMAND 268801 10553 0 0 0 0 syz-executor witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff800001496830,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000147c000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80002a284d10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a284d10) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000387fe5f0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8066859460,1,fffffd80097fb820,ffff80002a284d10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c20fc28,ffff80002a284d10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c20fc28,ffff80002a284d10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c20fc28,ffff80002a284d10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c20fc28,ffff80002a284d10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a284d10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a284d10,b,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a284d10,ffff8000387fe960,ffff8000387fe8b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000387fe960) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000387fe960) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 end trace frame: 0xffff8000387fe9e0, count: 0 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(0xfffffd806ee8a5c0, 0x48, 0, 1) -> e ddb{1}> trace witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff800001496830,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000147c000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80002a284d10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a284d10) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000387fe5f0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8066859460,1,fffffd80097fb820,ffff80002a284d10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c20fc28,ffff80002a284d10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c20fc28,ffff80002a284d10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c20fc28,ffff80002a284d10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c20fc28,ffff80002a284d10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a284d10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a284d10,b,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a284d10,ffff8000387fe960,ffff8000387fe8b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000387fe960) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000387fe960) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75454a2f75d0, count: -15 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff8000387fe410 rbx 0 rdx 0 rcx 0xffff80002a284d10 rax 0xffff8000299edffe r8 0xffff8000387fe720 r9 0x40 r10 0xb4ea8fae17c9c970 r11 0xb8cad8c804985e0f r12 0xfe r13 0x9 r14 0x28 r15 0 rip 0xffffffff82863345 witness_checkorder+0xb5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000387fe370 ss 0x10 witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{1}> show proc PROC (syz-executor) tid=78486 pid=39755 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a284d10 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a284018,0xffff80002a285250 process=0xffff8000fffe66a0 user=0xffff8000387f9000, vmspace=0xfffffd806ee8a5c0 estcpu=9, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 54516 189243 70199 0 2 0 syz-executor 90853 219730 50717 0 2 0 syz-executor 29621 272424 53032 0 2 0 syz-executor 29621 459433 53032 0 3 0x4000080 bell syz-executor 74276 188007 69534 0 3 0x80 nanoslp syz-executor 74276 434861 69534 0 3 0x4000080 fsleep syz-executor 74276 456026 69534 0 3 0x4000080 fsleep syz-executor 10553 268801 98068 0 7 0 syz-executor 10553 16291 98068 0 3 0x4000080 kqread syz-executor 47345 428500 38303 0 2 0 syz-executor 47345 345805 38303 0 3 0x4000080 fsleep syz-executor 69534 158359 84076 0 3 0x82 nanoslp syz-executor 50717 501376 84076 0 3 0x82 nanoslp syz-executor 98068 3156 84076 0 3 0x82 nanoslp syz-executor 70199 130980 84076 0 3 0x82 nanoslp syz-executor 71566 523716 84076 0 3 0x82 nanoslp syz-executor 38303 283141 84076 0 3 0x82 nanoslp syz-executor 53032 352173 84076 0 3 0x82 nanoslp syz-executor 26084 519373 84076 0 3 0x82 nanoslp syz-executor 84076 474594 9573 0 3 0x82 kqread syz-executor 9573 178318 46536 0 3 0x10008a sigsusp ksh 46536 316454 84393 0 3 0x98 kqread sshd-session 84393 419804 39695 0 3 0x92 kqread sshd-session 59381 431266 1 0 3 0x100083 ttyin getty 39695 251400 1 0 3 0x88 kqread sshd 55700 82344 94762 74 3 0x1100092 bpf pflogd 94762 370777 1 0 3 0x80 sbwait pflogd 53370 260428 7753 73 3 0x1100090 kqread syslogd 7753 136369 1 0 3 0x100082 sbwait syslogd 31633 250110 1 0 3 0x100080 kqread resolvd 76868 286198 81278 77 3 0x100092 kqread dhcpleased 31779 498906 81278 77 3 0x100092 kqread dhcpleased 81278 332080 1 0 3 0x80 kqread dhcpleased 89453 291797 0 0 3 0x14200 pause smr 89712 41737 0 0 2 0x14200 zerothread 68624 49989 0 0 3 0x14200 aiodoned aiodoned 83497 173163 0 0 3 0x14200 syncer update 55730 254702 0 0 3 0x14200 cleaner cleaner 85876 512177 0 0 3 0x14200 reaper reaper 23135 187904 0 0 3 0x14200 pgdaemon pagedaemon 71317 179037 0 0 3 0x14200 bored viomb 72330 281914 0 0 3 0x40014200 acpi0 acpi0 29672 263746 0 0 3 0x40014200 idle1 64729 464106 0 0 3 0x14200 bored softnet1 77713 132215 0 0 3 0x14200 bored softnet0 45081 447788 0 0 3 0x14200 smrbar systqmp 89774 457606 0 0 3 0x14200 bored systq 36079 360846 0 0 3 0x14200 tmoslp softclockmp 20343 134203 0 0 3 0x40014200 tmoslp softclock 29414 149917 0 0 3 0x40014200 idle0 1 441053 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 45081 (systqmp) thread 0xffff8000ffffef90 (447788) shared rwlock systqmp r = 0 (0xffffffff8383f548) #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 10208 11059K 11181K 166960K 11405 0 pcb 17 12K 12K 166960K 29 0 rtable 217 6K 7K 166960K 357 0 pf 34 17K 18K 166960K 50 0 ifaddr 42 7K 7K 166960K 48 0 ifgroup 55 2K 2K 166960K 62 0 sysctl 1 1K 9K 166960K 5 0 counters 68 36K 37K 166960K 74 0 ioctlops 0 0K 4K 166960K 1492 0 iov 0 0K 6K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1342 84K 85K 166960K 1395 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 6 0K 0K 166960K 8 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 176 0 sigio 0 0K 0K 166960K 1 0 proc 72 115K 180K 166960K 536 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 2 0K 0K 166960K 7 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 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 376 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 234 167K 176K 166960K 3388 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 43 86K 104K 166960K 1300 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 12 0K 2K 166960K 30 0 temp 36 8650K 8714K 166960K 4303 0 kqueue 14 22K 30K 166960K 36 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 37 0 34 1 0 1 1 0 8 0 rtentry 176 112 0 13 6 0 6 6 0 8 1 unpcb 144 50 0 32 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 736 15 0 11 1 0 1 1 0 8 0 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 95 0 85 1 0 1 1 0 8 0 nd6 152 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 2 0 2 1 0 1 1 0 8 1 pppxif 1504 1 0 1 1 0 1 1 0 8 1 pffrag 232 2 0 2 1 0 1 1 0 482 1 pffrnode 88 2 0 2 1 0 1 1 0 8 1 pffrent 40 4 0 4 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 16 0 0 1 0 1 1 0 8 0 pfstkey 128 16 0 0 1 0 1 1 0 8 0 pfstate 448 16 0 0 2 0 2 2 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 458 0 4 29 0 29 29 0 8 0 art_table 40 459 0 4 5 0 5 5 0 8 0 art_node 32 112 0 11 1 0 1 1 0 8 0 semapl 112 6 0 2 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1640 0 124 96 0 96 96 0 8 0 ffsino 296 1640 0 124 118 0 118 118 0 8 0 nchpl 144 1888 0 192 64 0 64 64 0 8 0 vnodes 216 1742 0 0 97 0 97 97 0 8 0 namei 1024 5879 0 5879 2 0 2 2 0 8 2 percpumem 16 52 0 3 1 0 1 1 0 8 0 kstatmem 264 30 0 4 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 6526 0 6526 3 1 2 2 1 8 2 plimitpl 152 36 0 18 1 0 1 1 0 8 0 sigapl 424 484 0 436 7 0 7 7 0 8 1 knotepl 120 504 0 0 16 0 16 16 0 8 0 kqueuepl 224 36 0 26 2 0 2 2 0 8 1 pipepl 344 119 0 92 3 0 3 3 0 8 0 fdescpl 528 468 0 436 3 0 3 3 0 8 0 filepl 160 1900 0 1670 15 0 15 15 0 8 5 lockfpl 104 24 0 19 1 0 1 1 0 8 0 lockfspl 48 11 0 8 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 31 0 14 1 0 1 1 0 8 0 ucredpl 104 129 0 116 1 0 1 1 0 8 0 zombiepl 144 438 0 436 1 0 1 1 0 8 0 processpl 1232 484 0 436 5 0 5 5 0 8 0 procpl 664 556 0 503 6 0 6 6 0 8 1 sockpl 752 184 0 153 4 0 4 4 0 8 0 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 110 0 0 14 0 14 14 0 8 0 mcl2k 2048 33 0 0 5 0 5 5 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 320 0 0 20 0 20 20 0 8 0 bufpl 280 2615 0 130 178 0 178 178 0 8 0 anonpl 32 4109 0 0 34 0 34 34 0 246 0 amapchunkpl 152 9651 0 9184 22 0 22 22 0 158 3 amappl16 200 2216 0 2196 5 0 5 5 0 8 3 amappl15 192 15 0 15 1 0 1 1 0 8 1 amappl14 184 6 0 5 1 0 1 1 0 8 0 amappl13 176 436 0 435 1 0 1 1 0 8 0 amappl12 168 823 0 782 3 0 3 3 0 8 0 amappl11 160 3 0 3 1 0 1 1 0 8 1 amappl10 152 52 0 38 1 0 1 1 0 8 0 amappl9 144 286 0 286 1 0 1 1 0 8 1 amappl8 136 33 0 30 1 0 1 1 0 8 0 amappl7 128 127 0 126 1 0 1 1 0 8 0 amappl6 120 277 0 264 1 0 1 1 0 8 0 amappl5 112 89 0 79 1 0 1 1 0 8 0 amappl4 104 416 0 386 1 0 1 1 0 8 0 amappl3 96 1516 0 1429 4 1 3 3 0 8 0 amappl2 88 572 0 497 2 0 2 2 0 8 0 amappl1 80 9285 0 8696 14 0 14 14 0 8 1 amappl 88 2656 0 2500 5 0 5 5 0 92 1 uvmvnodes 80 100 0 0 3 0 3 3 0 8 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 7 0 7 2 1 1 1 0 8 1 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 468 0 436 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 468 0 436 1 0 1 1 0 8 0 vmmpekpl 168 5611 0 5577 2 0 2 2 0 8 0 vmmpepl 168 38275 0 36357 88 0 88 88 0 357 3 vmsppl 488 467 0 436 5 0 5 5 0 8 1 rwobjpl 80 14090 0 13082 23 0 23 23 0 8 0 pdppl 4096 944 0 872 98 18 80 86 0 8 8 pvpl 32 11629 0 0 94 0 94 94 0 265 0 pmappl 256 467 0 436 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 281 0 20 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83846ff0) 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(ffffffff83960c80) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83960c80) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7bef88b80a20, count: 8 ddb{0}> trace x86_ipi_db(ffffffff83846ff0) 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(ffffffff83960c80) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83960c80) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7bef88b80a20, count: -7 ddb{0}> machine ddbcpu 1 Stopped at witness_checkorder+0xb5: movl 0x20(%r14),%r15d witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff800001496830,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000147c000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80002a284d10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a284d10) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000387fe5f0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8066859460,1,fffffd80097fb820,ffff80002a284d10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c20fc28,ffff80002a284d10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c20fc28,ffff80002a284d10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c20fc28,ffff80002a284d10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c20fc28,ffff80002a284d10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a284d10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a284d10,b,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a284d10,ffff8000387fe960,ffff8000387fe8b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000387fe960) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000387fe960) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 end trace frame: 0xffff8000387fe9e0, count: 0 ddb{1}> trace witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff800001496830,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000147c000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,1,2000,ffff80002a284d10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a284d10) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000387fe5f0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8066859460,1,fffffd80097fb820,ffff80002a284d10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c20fc28,ffff80002a284d10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c20fc28,ffff80002a284d10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c20fc28,ffff80002a284d10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c20fc28,ffff80002a284d10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a284d10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a284d10,b,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a284d10,ffff8000387fe960,ffff8000387fe8b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000387fe960) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000387fe960) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75454a2f75d0, count: -15