*cpu1: uvm_fault(0xfffffd806f603990, 0x0, 0, 1) -> e ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x77f455d35980, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff8000353d3030 rbx 0 rdx 0 rcx 0xffff80002a284018 rax 0x2a r8 0xffff8000353d2f60 r9 0x4 r10 0xbf6e78de4b405703 r11 0x276f492ba03e3ae8 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff822604c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff8000353d2fb0 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{0}> show proc PROC (arp) tid=29733 pid=90396 tcnt=1 stat=onproc flags process=2 proc=0 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2eda30,0xffff80002a2ecfe0 process=0xffff80003c5039f0 user=0xffff8000353ce000, vmspace=0xfffffd805db125e0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 75641 7101 37389 60929 2 0x10 syz-executor 75641 415108 37389 60929 3 0x4000090 fsleep syz-executor 28113 451723 7649 0 2 0 syz-executor 28113 82465 7649 0 3 0x4000080 fsleep syz-executor 77653 313345 89673 0 2 0 syz-executor 77653 450500 89673 0 3 0x4000080 fsleep syz-executor *90396 29733 73349 0 7 0x2 arp 99589 368435 98347 0 2 0 syz-executor 99589 7658 98347 0 2 0x4000000 syz-executor 73349 99106 69328 0 3 0x10008a sigsusp sh 32751 3153 43582 0 3 0x80 nanoslp syz-executor 32751 389378 43582 0 3 0x4000080 ttyretype syz-executor 69328 504118 67355 0 3 0x82 wait syz-executor 67683 107222 0 0 3 0x14280 nfsidl nfsio 72808 234339 0 0 3 0x14280 nfsidl nfsio 85204 311158 0 0 3 0x14280 nfsidl nfsio 25770 268608 0 0 3 0x14280 nfsidl nfsio 57572 518481 0 0 3 0x14280 nfsidl nfsio 47394 523639 0 0 3 0x14280 nfsidl nfsio 25658 82470 0 0 3 0x14280 nfsidl nfsio 75733 414444 0 0 3 0x14280 nfsidl nfsio 32984 360531 0 0 3 0x14280 nfsidl nfsio 19781 280274 0 0 3 0x14280 nfsidl nfsio 24592 377920 0 0 3 0x14280 nfsidl nfsio 78266 109789 0 0 3 0x14280 nfsidl nfsio 48366 427689 0 0 3 0x14280 nfsidl nfsio 22470 309039 0 0 3 0x14280 nfsidl nfsio 41968 255920 0 0 3 0x14280 nfsidl nfsio 68831 109474 0 0 3 0x14280 nfsidl nfsio 46147 340091 0 0 3 0x14280 nfsidl nfsio 18427 120490 0 0 3 0x14280 nfsidl nfsio 37324 167630 0 0 3 0x14280 nfsidl nfsio 28642 515710 0 0 3 0x14280 nfsidl nfsio 8224 145977 0 0 3 0x14200 acct acct 89673 469128 67355 0 3 0x82 nanoslp syz-executor 98347 8295 67355 0 3 0x82 nanoslp syz-executor 37389 516319 67355 0 3 0x82 nanoslp syz-executor 7649 437614 67355 0 3 0x82 nanoslp syz-executor 49887 502107 67355 0 3 0x82 nanoslp syz-executor 43582 325614 67355 0 3 0x82 nanoslp syz-executor 79841 93310 67355 0 3 0x82 nanoslp syz-executor 67355 445531 99649 0 3 0x82 kqread syz-executor 99649 65819 17341 0 3 0x10008a sigsusp ksh 17341 395243 53732 0 3 0x98 kqread sshd-session 53732 186457 96320 0 3 0x92 kqread sshd-session 98890 243292 1 0 3 0x100083 ttyopn getty 96320 13282 1 0 3 0x88 kqread sshd 50883 36184 4960 74 3 0x1100092 bpf pflogd 4960 386704 1 0 3 0x80 sbwait pflogd 8249 211615 91495 73 3 0x1100090 kqread syslogd 91495 264610 1 0 3 0x100082 sbwait syslogd 50286 189533 1 0 3 0x100080 kqread resolvd 82133 497963 98956 77 3 0x100092 kqread dhcpleased 91599 160925 98956 77 3 0x100092 kqread dhcpleased 98956 181195 1 0 3 0x80 kqread dhcpleased 97794 359601 0 0 3 0x14200 bored smr 5899 507945 0 0 2 0x14200 zerothread 86079 358643 0 0 3 0x14200 aiodoned aiodoned 24372 217316 0 0 3 0x14200 syncer update 56067 214885 0 0 3 0x14200 cleaner cleaner 22565 120829 0 0 3 0x14200 reaper reaper 88317 83322 0 0 3 0x14200 pgdaemon pagedaemon 69189 347970 0 0 3 0x14200 bored viomb 30106 22373 0 0 3 0x40014200 acpi0 acpi0 93465 273063 0 0 3 0x40014200 idle1 94178 192175 0 0 3 0x14200 bored softnet1 70185 163476 0 0 3 0x14200 bored softnet0 99557 133748 0 0 3 0x14200 bored systqmp 38875 6936 0 0 3 0x14200 bored systq 85418 199190 0 0 3 0x14200 tmoslp softclockmp 55680 49925 0 0 3 0x40014200 tmoslp softclock 1037 233046 0 0 3 0x40014200 idle0 1 246935 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806932d610) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 pmap_enter+0x24b rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline] #2 pmap_enter+0x24b pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline] #2 pmap_enter+0x24b sys/arch/amd64/amd64/pmap.c:2767 #3 uvm_fault_lower_lookup+0x369 sys/uvm/uvm_fault.c:-1 #4 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334 #5 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #7 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #8 recall_trap+0x8 Process 90396 (arp) thread 0xffff80002a284018 (29733) shared rwlock uobjlk r = 0 (0xfffffd8078344888) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvm_fault_lower_lookup+0x53 sys/uvm/uvm_fault.c:1204 #3 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334 #4 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd805db126e0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806932d610) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 pmap_enter+0x24b rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline] #2 pmap_enter+0x24b pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline] #2 pmap_enter+0x24b sys/arch/amd64/amd64/pmap.c:2767 #3 uvm_fault_lower_lookup+0x369 sys/uvm/uvm_fault.c:-1 #4 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334 #5 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #7 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #8 recall_trap+0x8 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11077 12155K 13409K 166960K 13829 0 pcb 17 14K 15K 166960K 111 0 rtable 174 6K 7K 166960K 475 0 pf 32 17K 18K 166960K 108 0 ifaddr 34 5K 7K 166960K 88 0 ifgroup 49 2K 2K 166960K 135 0 sysctl 4 1K 9K 166960K 9 0 counters 68 36K 37K 166960K 146 0 ioctlops 0 0K 4K 166960K 1574 0 iov 0 0K 12K 166960K 22 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1399 88K 89K 166960K 1944 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 26 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 19 69K 93K 166960K 771 0 sigio 0 0K 0K 166960K 6 0 proc 75 131K 180K 166960K 661 0 subproc 72 4K 4K 166960K 91 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 99 0 in_multi 67 5K 7K 166960K 135 0 ether_multi 1 0K 0K 166960K 4 0 mrt 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 109 493K 493K 166960K 109 0 exec 0 0K 1K 166960K 533 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 262 170K 178K 166960K 8862 0 UVM aobj 8 10K 10K 166960K 9 0 pinsyscall 45 90K 104K 166960K 1953 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 30 0 NDP 11 0K 2K 166960K 59 0 temp 52 8673K 8928K 166960K 38477 0 kqueue 15 24K 30K 166960K 135 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 120 128 0 125 3 0 3 3 0 8 2 rtentry 176 136 0 64 6 0 6 6 0 8 0 unpcb 144 419 0 400 4 2 2 2 0 8 1 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpcb 736 383 0 379 13 12 1 13 0 8 0 arp 136 21 0 8 1 0 1 1 0 8 0 inpcb 328 951 0 942 20 13 7 15 0 8 6 nd6 152 28 0 12 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 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 29 0 28 1 0 1 1 0 8 0 pppxif 1504 4 0 4 2 2 0 1 0 8 0 pffrag 232 7 0 0 1 0 1 1 0 482 0 pffrnode 88 6 0 0 1 0 1 1 0 8 0 pffrent 40 7 0 0 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 pfqueue 320 1 0 1 1 1 0 1 0 8 0 pfstitem 24 49 0 15 1 0 1 1 0 8 0 pfstkey 128 49 0 15 2 0 2 2 0 8 0 pfstate 448 49 0 15 5 0 5 5 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 256 614 0 296 29 5 24 29 0 8 2 art_table 40 615 0 296 5 0 5 5 0 8 0 art_node 32 136 0 72 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 3 1 1 0 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 23 0 13 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2722 0 1215 95 0 95 95 0 8 0 ffsino 296 2722 0 1215 117 0 117 117 0 8 0 nchpl 144 3766 0 2057 64 0 64 64 0 8 0 rtmask 32 3 0 3 2 1 1 1 0 8 1 vnodes 216 3161 0 0 176 0 176 176 0 8 0 namei 1024 12506 0 12506 3 2 1 2 0 8 1 percpumem 16 88 0 39 1 0 1 1 0 8 0 vcpupl 3968 4 0 0 1 0 1 1 0 8 0 vmpool 848 5 0 1 1 0 1 1 0 8 0 kstatmem 264 84 0 60 3 1 2 3 0 8 0 scsiplug 72 7 0 7 2 1 1 1 0 8 1 scxspl 216 18599 0 18599 6 2 4 4 1 8 4 plimitpl 152 202 0 183 1 0 1 1 0 8 0 sigapl 424 1101 0 1031 9 1 8 8 0 8 0 knotepl 120 404 0 0 13 0 13 13 0 8 0 kqueuepl 224 262 0 251 3 2 1 3 0 8 0 pipepl 344 171 0 144 3 0 3 3 0 8 0 fdescpl 528 1063 0 1030 3 0 3 3 0 8 0 filepl 160 6071 0 5844 19 6 13 16 0 8 2 lockfpl 104 345 0 340 1 0 1 1 0 8 0 lockfspl 48 122 0 117 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 43 0 26 1 0 1 1 0 8 0 ucredpl 104 715 0 701 1 0 1 1 0 8 0 zombiepl 144 1033 0 1031 1 0 1 1 0 8 0 processpl 1232 1101 0 1031 7 1 6 6 0 8 0 procpl 664 2190 0 2115 9 1 8 8 0 8 0 sosppl 176 7 0 7 1 1 0 1 0 8 0 sockpl 752 1589 0 1558 28 17 11 20 0 8 7 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 109 0 0 14 0 14 14 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 24 0 0 1 0 1 1 0 8 0 mbufpl 256 165 0 0 11 0 11 11 0 8 0 bufpl 280 6961 0 825 439 0 439 439 0 8 0 anonpl 32 10003 0 0 81 0 81 81 0 246 0 amapchunkpl 152 28363 0 27794 36 10 26 31 0 158 2 amappl16 200 3845 0 3814 23 7 16 16 0 8 6 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 6 0 6 1 1 0 1 0 8 0 amappl13 176 450 0 448 1 0 1 1 0 8 0 amappl12 168 1437 0 1393 3 0 3 3 0 8 0 amappl11 160 9 0 9 1 1 0 1 0 8 0 amappl10 152 92 0 78 1 0 1 1 0 8 0 amappl9 144 253 0 253 1 1 0 1 0 8 0 amappl8 136 27 0 24 1 0 1 1 0 8 0 amappl7 128 110 0 109 1 0 1 1 0 8 0 amappl6 120 310 0 293 1 0 1 1 0 8 0 amappl5 112 82 0 71 1 0 1 1 0 8 0 amappl4 104 429 0 398 1 0 1 1 0 8 0 amappl3 96 5627 0 5513 5 1 4 4 0 8 0 amappl2 88 547 0 485 2 0 2 2 0 8 0 amappl1 80 12084 0 11463 15 1 14 14 0 8 0 amappl 88 8000 0 7820 5 0 5 5 0 92 0 uvmvnodes 80 109 0 0 3 0 3 3 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 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 39 0 39 2 2 0 1 0 8 0 dma128 128 256 0 256 3 2 1 1 0 8 1 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 8 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1063 0 1030 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1063 0 1030 1 0 1 1 0 8 0 vmmpekpl 168 10251 0 10206 3 0 3 3 0 8 0 vmmpepl 168 74110 0 72112 108 10 98 98 0 357 8 vmsppl 488 1062 0 1030 6 1 5 5 0 8 0 rwobjpl 80 22612 0 21512 28 0 28 28 0 8 0 pdppl 4096 2143 0 2066 111 34 77 85 0 8 0 pvpl 32 17095 0 0 138 0 138 138 0 265 0 pmappl 256 1067 0 1031 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 304 0 61 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x77f455d35980, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) 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 x86_bus_space_io_write_1(3f8,0,65) at x86_bus_space_io_write_1+0x40 sys/arch/amd64/amd64/bus_space.c:790 comcnputc(800,65) at comcnputc+0x1ab bus_space_barrier sys/dev/ic/com.c:-1 [inline] comcnputc(800,65) at comcnputc+0x1ab sys/dev/ic/com.c:1263 cnputc(65) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(65) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x223 sys/kern/subr_prf.c:723 db_printf(ffffffff83441846) at db_printf+0x9b sys/kern/subr_prf.c:-1 db_ktrap(6,0,ffff800039be0ed0) at db_ktrap+0xe3 db_printtrap sys/arch/amd64/amd64/db_interface.c:99 [inline] db_ktrap(6,0,ffff800039be0ed0) at db_ktrap+0xe3 sys/arch/amd64/amd64/db_interface.c:128 kerntrap(ffff800039be0ed0) at kerntrap+0x242 sys/arch/amd64/amd64/trap.c:511 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff80000162f000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,1,2000,ffff80002a285ca0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a285ca0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 end trace frame: 0xffff800039be1070, count: 0 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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 x86_bus_space_io_write_1(3f8,0,65) at x86_bus_space_io_write_1+0x40 sys/arch/amd64/amd64/bus_space.c:790 comcnputc(800,65) at comcnputc+0x1ab bus_space_barrier sys/dev/ic/com.c:-1 [inline] comcnputc(800,65) at comcnputc+0x1ab sys/dev/ic/com.c:1263 cnputc(65) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(65) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x223 sys/kern/subr_prf.c:723 db_printf(ffffffff83441846) at db_printf+0x9b sys/kern/subr_prf.c:-1 db_ktrap(6,0,ffff800039be0ed0) at db_ktrap+0xe3 db_printtrap sys/arch/amd64/amd64/db_interface.c:99 [inline] db_ktrap(6,0,ffff800039be0ed0) at db_ktrap+0xe3 sys/arch/amd64/amd64/db_interface.c:128 kerntrap(ffff800039be0ed0) at kerntrap+0x242 sys/arch/amd64/amd64/trap.c:511 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff80000162f000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,1,2000,ffff80002a285ca0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff80002a285ca0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800039be1080) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805dd31468,1,fffffd80097fd618,ffff80002a285ca0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c75e560,ffff80002a285ca0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c75e560,ffff80002a285ca0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c75e560,ffff80002a285ca0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c75e560,ffff80002a285ca0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a285ca0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a285ca0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a285ca0,ffff800039be13f0,ffff800039be1340) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800039be13f0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800039be13f0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7dea903c1a00, count: -24