*cpu1: uvm_fault(0xfffffd806cb465d0, 0x0, 0, 1) -> e ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x744eafe08c20, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c43d5a0 rbx 0 rdx 0 rcx 0xffff80003c4094f8 rax 0x2a r8 0xffff80003c43d4d0 r9 0 r10 0x3f45c408e877dc7e r11 0xbceb92a481624dbc r12 0 r13 0 r14 0 r15 0 rip 0xffffffff829b24c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff80003c43d520 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{0}> show proc PROC (syz-executor) tid=463379 pid=86267 tcnt=1 stat=onproc flags process=0 proc=0 runpri=50, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2702b0,0xffff80003c408048 process=0xffff8000fffd8028 user=0xffff80003c438000, vmspace=0xfffffd806cb467b8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *86267 463379 46802 0 7 0 syz-executor 6939 233674 59821 0 2 0 syz-executor 6939 405729 59821 0 2 0x4000000 syz-executor 3082 181079 26190 0 2 0 syz-executor 3082 151708 26190 0 2 0x4000000 syz-executor 31554 163922 99006 0 3 0x80 nanoslp syz-executor 31554 364976 99006 0 3 0x4000000 biowait syz-executor 31554 45514 99006 0 3 0x4000080 pipewr syz-executor 31554 309362 99006 0 3 0x4000080 fsleep syz-executor 14897 195307 2424 0 3 0x80 nanoslp syz-executor 14897 73621 2424 0 3 0x4000080 sbwait syz-executor 14897 37961 2424 0 3 0x4000080 fsleep syz-executor 51903 269129 0 0 3 0x14280 nfsidl nfsio 84681 15722 0 0 3 0x14280 nfsidl nfsio 19364 226374 0 0 3 0x14280 nfsidl nfsio 57380 161011 0 0 3 0x14280 nfsidl nfsio 54825 312575 0 0 3 0x14280 nfsidl nfsio 13252 61008 0 0 3 0x14280 nfsidl nfsio 4080 191494 0 0 3 0x14280 nfsidl nfsio 5837 428607 0 0 3 0x14280 nfsidl nfsio 80601 1923 0 0 3 0x14280 nfsidl nfsio 64667 347831 0 0 3 0x14280 nfsidl nfsio 78834 51849 0 0 3 0x14280 nfsidl nfsio 8594 10761 0 0 3 0x14280 nfsidl nfsio 28054 471933 0 0 3 0x14280 nfsidl nfsio 77521 427637 0 0 3 0x14280 nfsidl nfsio 91667 153419 0 0 3 0x14280 nfsidl nfsio 74152 338672 0 0 3 0x14280 nfsidl nfsio 15925 209183 0 0 3 0x14280 nfsidl nfsio 49601 433058 0 0 3 0x14280 nfsidl nfsio 66844 354135 0 0 3 0x14280 nfsidl nfsio 42431 27846 0 0 3 0x14280 nfsidl nfsio 67628 86555 88208 0 3 0x82 wait syz-executor 99006 115729 88208 0 3 0x82 nanoslp syz-executor 2424 393049 88208 0 3 0x82 nanoslp syz-executor 26190 239199 88208 0 2 0x2 syz-executor 46802 125936 88208 0 3 0x82 nanoslp syz-executor 59821 245923 88208 0 3 0x82 nanoslp syz-executor 45874 292660 88208 0 3 0x82 nanoslp syz-executor 54727 442056 88208 0 3 0x82 nanoslp syz-executor 88208 182628 80057 0 3 0x82 kqread syz-executor 80057 87638 61097 0 3 0x10008a sigsusp ksh 61097 278915 53957 0 3 0x98 kqread sshd-session 53957 508715 45392 0 3 0x92 kqread sshd-session 9145 111731 1 0 3 0x100083 ttyopn getty 45392 406963 1 0 3 0x88 kqread sshd 43049 459099 13465 74 3 0x1100092 bpf pflogd 13465 63360 1 0 3 0x80 sbwait pflogd 22604 386519 87281 73 3 0x1100090 kqread syslogd 87281 237314 1 0 3 0x100082 sbwait syslogd 17115 421893 1 0 3 0x100080 kqread resolvd 21010 206772 68268 77 3 0x100092 kqread dhcpleased 27382 182957 68268 77 3 0x100092 kqread dhcpleased 68268 150675 1 0 3 0x80 kqread dhcpleased 23282 268979 0 0 3 0x14200 bored smr 74891 67520 0 0 3 0x14200 pgzero zerothread 10022 203984 0 0 3 0x14200 aiodoned aiodoned 34136 160410 0 0 3 0x14200 syncer update 62011 182604 0 0 3 0x14200 cleaner cleaner 47822 433004 0 0 3 0x14200 reaper reaper 26837 411881 0 0 3 0x14200 pgdaemon pagedaemon 59190 323899 0 0 3 0x14200 bored viomb 66955 437698 0 0 3 0x40014200 acpi0 acpi0 74622 448255 0 0 3 0x40014200 idle1 37194 471154 0 0 3 0x14200 bored softnet1 71058 167535 0 0 3 0x14200 bored softnet0 77516 95743 0 0 3 0x14200 bored systqmp 13019 362394 0 0 3 0x14200 bored systq 7631 253423 0 0 3 0x14200 tmoslp softclockmp 13519 346595 0 0 3 0x40014200 tmoslp softclock 73836 398771 0 0 3 0x40014200 idle0 1 271203 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 (0xfffffd806c92f810) #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_extract+0xb1 sys/arch/amd64/amd64/pmap.c:1572 #3 uvm_fault_upper_lookup+0x20b sys/uvm/uvm_fault.c:981 #4 uvm_fault+0x159 sys/uvm/uvm_fault.c:638 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:622 #7 recall_trap+0x8 Process 86267 (syz-executor) thread 0xffff80003c4094f8 (463379) exclusive rwlock amaplk r = 0 (0xfffffd806dcf9180) #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 uvm_fault_check+0x8bb sys/uvm/uvm_fault.c:840 #3 uvm_fault+0x106 sys/uvm/uvm_fault.c:633 #4 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #5 usertrap+0x42f sys/arch/amd64/amd64/trap.c:622 #6 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806cb468b8) #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:1902 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:699 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:633 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:622 #7 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806c92f810) #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_extract+0xb1 sys/arch/amd64/amd64/pmap.c:1572 #3 uvm_fault_upper_lookup+0x20b sys/uvm/uvm_fault.c:981 #4 uvm_fault+0x159 sys/uvm/uvm_fault.c:638 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:622 #7 recall_trap+0x8 Process 31554 (syz-executor) thread 0xffff80003c408a98 (364976) exclusive rrwlock inode r = 0 (0xfffffd806c9166b0) #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 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10218 11147K 11421K 166960K 11605 0 pcb 18 12K 12K 166960K 73 0 rtable 195 7K 8K 166960K 390 0 pf 37 18K 19K 166960K 66 0 ifaddr 38 6K 7K 166960K 58 0 ifgroup 59 2K 2K 166960K 80 0 sysctl 3 1K 9K 166960K 10 0 counters 70 37K 38K 166960K 96 0 ioctlops 0 0K 4K 166960K 1522 0 iov 1 12K 28K 166960K 12 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1348 85K 85K 166960K 1508 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 44 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 345 0 sigio 0 0K 0K 166960K 5 0 proc 72 115K 164K 166960K 564 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 75 5K 7K 166960K 102 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 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 392 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 244 167K 183K 166960K 4818 0 UVM aobj 12 4K 4K 166960K 12 0 pinsyscall 43 86K 106K 166960K 1469 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 14 0 NDP 13 0K 2K 166960K 37 0 temp 44 8660K 8730K 166960K 10346 0 kqueue 13 20K 30K 166960K 72 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 52 0 48 1 0 1 1 0 8 0 rtentry 176 114 0 33 6 0 6 6 0 8 1 unpcb 144 138 0 117 2 0 2 2 0 8 1 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 89 0 83 4 0 4 4 0 8 3 arp 136 18 0 2 1 0 1 1 0 8 0 inpcb 328 271 0 260 5 0 5 5 0 8 2 nd6 152 24 0 6 1 0 1 1 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 11 0 11 1 0 1 1 0 8 1 pppxif 1504 2 0 2 1 0 1 1 0 8 1 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 2 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 pfrktable 1344 2 0 2 1 0 1 1 0 8 1 pfstitem 24 41 0 0 1 0 1 1 0 8 0 pfstkey 128 41 0 0 2 0 2 2 0 8 0 pfstate 448 40 0 0 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 256 458 0 131 29 0 29 29 0 8 3 art_table 40 459 0 131 5 0 5 5 0 8 0 art_node 32 113 0 40 1 0 1 1 0 8 0 semapl 112 42 0 32 1 0 1 1 0 8 0 shmpl 112 8 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1924 0 410 96 0 96 96 0 8 0 ffsino 296 1924 0 410 118 0 118 118 0 8 0 nchpl 144 2425 0 728 64 0 64 64 0 8 0 vnodes 216 2099 0 0 117 0 117 117 0 8 0 namei 1024 7372 0 7372 1 0 1 1 0 8 1 percpumem 16 63 0 13 1 0 1 1 0 8 0 vcpupl 3968 1 0 0 1 0 1 1 0 8 0 vmpool 840 1 0 0 1 0 1 1 0 8 0 kstatmem 264 46 0 16 3 0 3 3 0 8 1 scxspl 216 10282 0 10281 10 2 8 8 1 8 7 plimitpl 152 68 0 49 1 0 1 1 0 8 0 sigapl 424 673 0 605 8 0 8 8 0 8 0 knotepl 120 555 0 0 17 0 17 17 0 8 0 kqueuepl 224 100 0 91 2 0 2 2 0 8 1 pipepl 344 132 0 103 3 0 3 3 0 8 0 fdescpl 528 637 0 605 3 0 3 3 0 8 0 filepl 160 2735 0 2505 11 0 11 11 0 8 0 lockfpl 104 98 0 96 1 0 1 1 0 8 0 lockfspl 48 46 0 44 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 33 0 16 1 0 1 1 0 8 0 ucredpl 104 313 0 300 1 0 1 1 0 8 0 zombiepl 144 608 0 605 1 0 1 1 0 8 0 processpl 1232 673 0 605 6 0 6 6 0 8 0 procpl 664 1036 0 961 8 0 8 8 0 8 0 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 752 474 0 438 8 0 8 8 0 8 3 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 135 0 0 17 0 17 17 0 8 0 mcl2k 2048 29 0 0 4 0 4 4 0 8 0 mtagpl 96 15 0 0 1 0 1 1 0 8 0 mbufpl 256 203 0 0 13 0 13 13 0 8 0 bufpl 280 3903 0 130 270 0 270 270 0 8 0 anonpl 32 7584 0 0 62 0 62 62 0 246 0 amapchunkpl 152 15084 0 14599 30 0 30 30 0 158 8 amappl16 200 1650 0 1590 14 0 14 14 0 8 8 amappl15 192 15 0 15 2 2 0 1 0 8 0 amappl14 184 2 0 2 1 1 0 1 0 8 0 amappl13 176 423 0 422 1 0 1 1 0 8 0 amappl12 168 993 0 951 3 0 3 3 0 8 0 amappl11 160 2 0 2 1 1 0 1 0 8 0 amappl10 152 66 0 52 1 0 1 1 0 8 0 amappl9 144 259 0 259 1 1 0 1 0 8 0 amappl8 136 27 0 24 1 0 1 1 0 8 0 amappl7 128 115 0 113 1 0 1 1 0 8 0 amappl6 120 294 0 281 1 0 1 1 0 8 0 amappl5 112 73 0 63 1 0 1 1 0 8 0 amappl4 104 410 0 380 2 0 2 2 0 8 1 amappl3 96 2502 0 2412 4 1 3 3 0 8 0 amappl2 88 739 0 662 2 0 2 2 0 8 0 amappl1 80 10006 0 9399 16 0 16 16 0 8 3 amappl 88 4064 0 3898 5 0 5 5 0 92 0 uvmvnodes 80 108 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 128 253 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 11 0 0 1 0 1 1 0 8 0 uaddrrnd 24 637 0 605 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 637 0 605 1 0 1 1 0 8 0 vmmpekpl 168 6902 0 6864 2 0 2 2 0 8 0 vmmpepl 168 47014 0 45022 98 0 98 98 0 357 10 vmsppl 488 636 0 605 5 0 5 5 0 8 1 rwobjpl 80 15232 0 14153 27 0 27 27 0 8 0 pdppl 4096 1283 0 1211 99 27 72 85 0 8 0 pvpl 32 14458 0 0 119 2 117 117 0 265 0 pmappl 256 637 0 605 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: 0x744eafe08c20, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) 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_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:682 acpitimer_delay(1) at acpitimer_delay+0x57 acpitimer_read sys/dev/acpi/acpitimer.c:141 [inline] acpitimer_delay(1) at acpitimer_delay+0x57 sys/dev/acpi/acpitimer.c:120 comcnputc(800,20) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(20) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(65) at db_putchar+0x126 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(65) at db_putchar+0x126 sys/ddb/db_output.c:153 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff8334219f) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff834058d9) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff8000323e3f80,0) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff8000323e3f80) at kerntrap+0x19c sys/arch/amd64/amd64/trap.c:510 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b end trace frame: 0xffff8000323e4060, count: 0 ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:682 acpitimer_delay(1) at acpitimer_delay+0x57 acpitimer_read sys/dev/acpi/acpitimer.c:141 [inline] acpitimer_delay(1) at acpitimer_delay+0x57 sys/dev/acpi/acpitimer.c:120 comcnputc(800,20) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(20) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(65) at db_putchar+0x126 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(65) at db_putchar+0x126 sys/ddb/db_output.c:153 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff8334219f) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff834058d9) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff8000323e3f80,0) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff8000323e3f80) at kerntrap+0x19c sys/arch/amd64/amd64/trap.c:510 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(31e5f,81,2000,ffff80003c409a28) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff80003c409a28) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000323e4130) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806c6262e8,81,fffffd80097fd750,ffff80003c409a28) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806cab8b88,ffff80003c409a28) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806cab8b88,ffff80003c409a28) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806cab8b88,ffff80003c409a28) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806cab8b88,ffff80003c409a28) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c409a28) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c409a28,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c409a28,ffff8000323e44a0,ffff8000323e43f0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000323e44a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000323e44a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d5a91cf8d80, count: -26