*cpu1: uvm_fault(0xfffffd806c8a6b88, 0x0, 0, 1) -> e ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x6fc4655dd040, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c4455b0 rbx 0 rdx 0 rcx 0xffff8000313e1a18 rax 0x2a r8 0xffff80003c4454e0 r9 0 r10 0x6bcb021ca3abcf71 r11 0x62d14dd7762ce489 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff828b84c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff80003c445530 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{0}> show proc PROC (syz-executor) tid=274804 pid=18167 tcnt=1 stat=onproc flags process=0 proc=0 runpri=50, usrpri=50, slppri=16, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000313ded18,0xffff8000313e0fc8 process=0xffff8000ffff0018 user=0xffff80003c440000, vmspace=0xfffffd806c8a6200 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 30746 114799 96397 0 2 0 syz-executor 57135 361553 13052 0 2 0 syz-executor *18167 274804 82108 0 7 0 syz-executor 64612 225986 9810 0 2 0 syz-executor 64612 419042 9810 0 3 0x4000080 sbwait syz-executor 95819 209308 34975 0 2 0 syz-executor 95819 80619 34975 0 3 0x4000080 fsleep syz-executor 37150 473858 41628 0 3 0x80 nanoslp syz-executor 37150 375503 41628 0 3 0x4000080 piperd syz-executor 37150 381344 41628 0 3 0x4000080 fsleep syz-executor 37150 4930 41628 0 3 0x4000080 fsleep syz-executor 25103 142382 0 0 3 0x14200 acct acct 13052 169093 14492 0 3 0x82 nanoslp syz-executor 82108 499280 14492 0 2 0x2 syz-executor 54817 79869 14492 0 3 0x82 nanoslp syz-executor 9810 158522 14492 0 3 0x82 nanoslp syz-executor 96397 48825 14492 0 3 0x82 nanoslp syz-executor 27166 228630 14492 0 3 0x2 biowait syz-executor 34975 74804 14492 0 3 0x82 nanoslp syz-executor 41628 182538 14492 0 3 0x82 nanoslp syz-executor 14492 292038 55526 0 3 0x82 kqread syz-executor 55526 236369 66690 0 3 0x10008a sigsusp ksh 66690 175740 34098 0 3 0x98 kqread sshd-session 34098 45567 7658 0 3 0x92 kqread sshd-session 78706 41158 1 0 3 0x100083 ttyopn getty 7658 357769 1 0 3 0x88 kqread sshd 68927 456080 6575 74 3 0x1100092 bpf pflogd 6575 101 1 0 3 0x80 sbwait pflogd 28460 321002 2867 73 3 0x1100090 kqread syslogd 2867 354448 1 0 3 0x100082 sbwait syslogd 19286 285781 1 0 3 0x100080 kqread resolvd 90539 246720 49893 77 3 0x100092 kqread dhcpleased 70603 67147 49893 77 3 0x100092 kqread dhcpleased 49893 479336 1 0 3 0x80 kqread dhcpleased 46625 7941 0 0 3 0x14200 bored smr 72481 436724 0 0 2 0x14200 zerothread 67987 305996 0 0 3 0x14200 aiodoned aiodoned 59366 3277 0 0 3 0x14200 syncer update 50425 463662 0 0 3 0x14200 cleaner cleaner 1930 228712 0 0 3 0x14200 reaper reaper 66989 91228 0 0 3 0x14200 pgdaemon pagedaemon 44623 220611 0 0 3 0x14200 bored viomb 93408 35099 0 0 3 0x40014200 acpi0 acpi0 58277 145561 0 0 3 0x40014200 idle1 24623 369502 0 0 3 0x14200 bored softnet1 21447 398132 0 0 3 0x14200 bored softnet0 83993 27042 0 0 3 0x14200 bored systqmp 20664 10629 0 0 3 0x14200 bored systq 53334 93344 0 0 3 0x14200 tmoslp softclockmp 36570 291072 0 0 3 0x40014200 tmoslp softclock 3597 464198 0 0 3 0x40014200 idle0 1 500124 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806691c010) #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+0x5d6 sys/uvm/uvm_fault.c:1504 #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 Process 18167 (syz-executor) thread 0xffff8000313e1a18 (274804) exclusive rwlock amaplk r = 0 (0xfffffd8064af75d0) #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_check+0x8a9 sys/uvm/uvm_fault.c:834 #3 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #4 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #5 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #6 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806c8a6300) #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 (0xfffffd806691c010) #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+0x5d6 sys/uvm/uvm_fault.c:1504 #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 Process 27166 (syz-executor) thread 0xffff8000ffffcf98 (228630) exclusive rrwlock inode r = 0 (0xfffffd80667fe6a8) #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_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d5ba320) #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_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11083 12369K 13987K 166960K 12725 0 pcb 17 12K 12K 166960K 91 0 rtable 216 7K 8K 166960K 424 0 pf 33 17K 18K 166960K 73 0 ifaddr 39 6K 7K 166960K 65 0 ifgroup 51 2K 2K 166960K 103 0 sysctl 4 1K 9K 166960K 10 0 counters 68 36K 37K 166960K 116 0 ioctlops 0 0K 4K 166960K 1685 0 iov 1 0K 16K 166960K 32 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1393 88K 88K 166960K 1855 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 84 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 85K 166960K 531 0 sigio 0 0K 0K 166960K 4 0 proc 75 131K 164K 166960K 570 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 0 0K 0K 166960K 31 0 in_multi 88 6K 7K 166960K 112 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 443 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 225 158K 174K 166960K 6853 0 UVM aobj 16 8K 8K 166960K 18 0 pinsyscall 42 84K 99K 166960K 1700 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 43 0 NDP 11 0K 1K 166960K 44 0 temp 48 8673K 8926K 166960K 25991 0 kqueue 13 20K 28K 166960K 81 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 70 0 67 1 0 1 1 0 8 0 rtentry 176 125 0 31 6 0 6 6 0 8 0 unpcb 144 486 0 466 6 2 4 6 0 8 3 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 158 0 154 7 0 7 7 0 8 6 arp 136 18 0 2 1 0 1 1 0 8 0 inpcb 328 518 0 511 7 0 7 7 0 8 6 nd6 152 28 0 4 2 0 2 2 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 16 0 16 1 0 1 1 0 8 1 pppxif 1504 4 0 4 1 0 1 1 0 8 1 pffrag 232 4 0 1 1 0 1 1 0 482 0 pffrnode 88 3 0 0 1 0 1 1 0 8 0 pffrent 40 6 0 3 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 pfrule 1360 2 0 0 1 0 1 1 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 547 0 136 31 1 30 31 0 8 2 art_table 40 549 0 136 5 0 5 5 0 8 0 art_node 32 123 0 39 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 6 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 81 0 71 1 0 1 1 0 8 0 shmpl 112 11 0 0 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 2516 0 1011 95 0 95 95 0 8 0 ffsino 296 2516 0 1011 117 0 117 117 0 8 0 nchpl 144 3252 0 1554 64 0 64 64 0 8 0 rtmask 32 3 0 3 1 0 1 1 0 8 1 vnodes 216 2770 0 0 154 0 154 154 0 8 0 namei 1024 10772 0 10771 1 0 1 1 0 8 0 percpumem 16 73 0 24 1 0 1 1 0 8 0 vcpupl 3968 2 0 0 1 0 1 1 0 8 0 vmpool 848 3 0 1 1 0 1 1 0 8 0 kstatmem 264 56 0 32 3 0 3 3 0 8 1 scsiplug 72 5 0 5 1 0 1 1 0 8 1 scxspl 216 19687 0 19686 10 2 8 8 1 8 7 plimitpl 152 79 0 62 1 0 1 1 0 8 0 sigapl 424 853 0 805 6 0 6 6 0 8 0 knotepl 120 559 0 0 17 0 17 17 0 8 0 kqueuepl 224 125 0 116 2 0 2 2 0 8 1 pipepl 344 226 0 195 9 1 8 9 0 8 5 fdescpl 528 836 0 805 3 0 3 3 0 8 0 filepl 160 5164 0 4936 16 0 16 16 0 8 6 lockfpl 104 225 0 221 1 0 1 1 0 8 0 lockfspl 48 63 0 59 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 39 0 22 1 0 1 1 0 8 0 ucredpl 104 914 0 899 1 0 1 1 0 8 0 zombiepl 144 806 0 805 1 0 1 1 0 8 0 processpl 1232 853 0 805 5 1 4 5 0 8 0 procpl 664 1578 0 1525 6 0 6 6 0 8 0 sosppl 176 4 0 4 1 0 1 1 0 8 1 sockpl 752 1083 0 1053 17 6 11 17 0 8 7 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 114 0 0 15 0 15 15 0 8 0 mcl2k 2048 40 0 0 5 0 5 5 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 213 0 0 13 0 13 13 0 8 0 bufpl 280 8630 0 2494 439 0 439 439 0 8 0 anonpl 32 16393 0 0 133 0 133 133 0 246 0 amapchunkpl 152 22666 0 22234 32 0 32 32 0 158 11 amappl16 200 4638 0 4607 44 28 16 36 0 8 10 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 7 0 7 1 1 0 1 0 8 0 amappl13 176 440 0 439 1 0 1 1 0 8 0 amappl12 168 1208 0 1168 3 0 3 3 0 8 0 amappl11 160 10 0 10 1 1 0 1 0 8 0 amappl10 152 52 0 38 1 0 1 1 0 8 0 amappl9 144 250 0 250 1 1 0 1 0 8 0 amappl8 136 45 0 42 1 0 1 1 0 8 0 amappl7 128 81 0 80 1 0 1 1 0 8 0 amappl6 120 281 0 268 1 0 1 1 0 8 0 amappl5 112 75 0 65 1 0 1 1 0 8 0 amappl4 104 457 0 426 1 0 1 1 0 8 0 amappl3 96 3643 0 3564 4 1 3 3 0 8 0 amappl2 88 964 0 887 2 0 2 2 0 8 0 amappl1 80 11180 0 10593 14 0 14 14 0 8 0 amappl 88 6018 0 5870 5 0 5 5 0 92 0 uvmvnodes 80 117 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 6 0 6 1 1 0 1 0 8 0 dma128 128 255 0 255 2 1 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 17 0 2 1 0 1 1 0 8 0 uaddrrnd 24 836 0 805 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 836 0 805 1 0 1 1 0 8 0 vmmpekpl 168 8798 0 8751 3 0 3 3 0 8 0 vmmpepl 168 61946 0 60069 115 0 115 115 0 357 25 vmsppl 488 835 0 805 5 0 5 5 0 8 1 rwobjpl 80 20871 0 19834 35 0 35 35 0 8 4 pdppl 4096 1686 0 1614 100 26 74 82 0 8 2 pvpl 32 23555 0 0 190 0 190 190 0 265 0 pmappl 256 838 0 806 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 282 0 29 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: 0x6fc4655dd040, 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(3f8,0,6b) at x86_bus_space_io_write_1+0x40 sys/arch/amd64/amd64/bus_space.c:790 comcnputc(800,6b) at comcnputc+0x1ab bus_space_barrier sys/dev/ic/com.c:-1 [inline] comcnputc(800,6b) at comcnputc+0x1ab sys/dev/ic/com.c:1263 cnputc(6b) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(6b) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x223 sys/kern/subr_prf.c:723 db_printf(ffffffff834387dc) at db_printf+0x9b sys/kern/subr_prf.c:-1 db_ktrap(6,0,ffff8000313dc010) at db_ktrap+0xe3 db_printtrap sys/arch/amd64/amd64/db_interface.c:99 [inline] db_ktrap(6,0,ffff8000313dc010) at db_ktrap+0xe3 sys/arch/amd64/amd64/db_interface.c:128 kerntrap(ffff8000313dc010) at kerntrap+0x242 sys/arch/amd64/amd64/trap.c:511 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff800001620000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff8000313dfa10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000313dfa10) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 end trace frame: 0xffff8000313dc1b0, 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(3f8,0,6b) at x86_bus_space_io_write_1+0x40 sys/arch/amd64/amd64/bus_space.c:790 comcnputc(800,6b) at comcnputc+0x1ab bus_space_barrier sys/dev/ic/com.c:-1 [inline] comcnputc(800,6b) at comcnputc+0x1ab sys/dev/ic/com.c:1263 cnputc(6b) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(6b) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x223 sys/kern/subr_prf.c:723 db_printf(ffffffff834387dc) at db_printf+0x9b sys/kern/subr_prf.c:-1 db_ktrap(6,0,ffff8000313dc010) at db_ktrap+0xe3 db_printtrap sys/arch/amd64/amd64/db_interface.c:99 [inline] db_ktrap(6,0,ffff8000313dc010) at db_ktrap+0xe3 sys/arch/amd64/amd64/db_interface.c:128 kerntrap(ffff8000313dc010) at kerntrap+0x242 sys/arch/amd64/amd64/trap.c:511 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff800001620000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff8000313dfa10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000313dfa10) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000313dc1c0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8064b993a0,81,fffffd80097fd618,ffff8000313dfa10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8064b8fa38,ffff8000313dfa10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8064b8fa38,ffff8000313dfa10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8064b8fa38,ffff8000313dfa10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8064b8fa38,ffff8000313dfa10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000313dfa10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000313dfa10,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000313dfa10,ffff8000313dc530,ffff8000313dc480) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000313dc530) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000313dc530) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75a7f2ca8ae0, count: -24