*cpu1: uvm_fault(0xfffffd806b78f7c0, 0x0, 0, 1) -> e ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x70a7f8b64210, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c43bfc0 rbx 0 rdx 0 rcx 0xffff80003c41e2c0 rax 0x2a r8 0xffff80003c43bef0 r9 0x21259d4d001 r10 0xf79e04bbaa56ecab r11 0x40005451d385df61 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff82ae34c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff80003c43bf40 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{0}> show proc PROC (syz-executor) tid=412858 pid=33749 tcnt=1 stat=onproc flags process=0 proc=0 runpri=50, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c41dcb8,0xffffffff83976910 process=0xffff80003c4e9d08 user=0xffff80003c436000, vmspace=0xfffffd806b78f5d8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *33749 412858 57986 0 7 0 syz-executor 7382 194694 0 0 3 0x14280 nfsidl nfsio 98639 222482 0 0 3 0x14280 nfsidl nfsio 90282 463413 0 0 3 0x14280 nfsidl nfsio 6342 177286 0 0 3 0x14280 nfsidl nfsio 28919 234109 0 0 3 0x14280 nfsidl nfsio 79227 210096 0 0 3 0x14280 nfsidl nfsio 56277 175530 0 0 3 0x14280 nfsidl nfsio 7599 8265 0 0 3 0x14280 nfsidl nfsio 84308 101671 0 0 3 0x14280 nfsidl nfsio 2855 357212 0 0 3 0x14280 nfsidl nfsio 63135 488552 0 0 3 0x14280 nfsidl nfsio 28990 17282 0 0 3 0x14280 nfsidl nfsio 8231 94876 0 0 3 0x14280 nfsidl nfsio 13803 124144 0 0 3 0x14280 nfsidl nfsio 2502 7416 0 0 3 0x14280 nfsidl nfsio 2405 468776 0 0 3 0x14280 nfsidl nfsio 32490 25568 0 0 3 0x14280 nfsidl nfsio 91176 36149 0 0 3 0x14280 nfsidl nfsio 7123 489042 0 0 3 0x14280 nfsidl nfsio 12178 435186 0 0 3 0x14280 nfsidl nfsio 5001 476885 37340 0 2 0 syz-executor 5001 67953 37340 0 3 0x4000080 kqread syz-executor 56107 290898 92434 0 3 0x80 nanoslp syz-executor 56107 465534 92434 0 3 0x4000080 lockf syz-executor 56107 468294 92434 0 3 0x4000080 lockf syz-executor 56107 384458 92434 0 3 0x4000080 fsleep syz-executor 92888 460241 41463 0 3 0x80 nanoslp syz-executor 92888 15222 41463 0 3 0x4000080 kqsel syz-executor 92888 346080 41463 0 3 0x4000080 fsleep syz-executor 92602 307327 44545 0 3 0x80 nanoslp syz-executor 92602 125922 44545 0 3 0x4000080 kqsel syz-executor 92602 45913 44545 0 3 0x4000080 fsleep syz-executor 26902 460380 67081 0 3 0 fltagain2 syz-executor 26902 287048 67081 0 3 0x4000000 biowait syz-executor 26902 184918 67081 0 3 0x4000000 fltagain2 syz-executor 26902 3964 67081 0 3 0x4000080 fsleep syz-executor 92434 1441 86645 0 3 0x82 nanoslp syz-executor 57986 305985 86645 0 3 0x82 nanoslp syz-executor 41463 236487 86645 0 3 0x82 nanoslp syz-executor 48474 181771 86645 0 2 0x2 syz-executor 67081 89820 86645 0 3 0x82 nanoslp syz-executor 44545 397914 86645 0 3 0x82 nanoslp syz-executor 79582 466438 86645 0 3 0x82 nanoslp syz-executor 37340 354817 86645 0 3 0x82 nanoslp syz-executor 86645 90470 98583 0 2 0x2 syz-executor 98583 393805 837 0 3 0x10008a sigsusp ksh 837 11165 99468 0 3 0x98 kqread sshd-session 99468 518515 13475 0 3 0x92 kqread sshd-session 58771 74597 1 0 3 0x100083 ttyin getty 13475 138622 1 0 3 0x88 kqread sshd 85788 313770 67782 74 3 0x1100092 bpf pflogd 67782 350831 1 0 3 0x80 sbwait pflogd 31338 505297 24625 73 3 0x1100090 kqread syslogd 24625 468545 1 0 3 0x100082 sbwait syslogd 98577 317197 1 0 3 0x100080 kqread resolvd 60496 487917 24574 77 3 0x100092 kqread dhcpleased 51984 454032 24574 77 3 0x100092 kqread dhcpleased 24574 284970 1 0 3 0x80 kqread dhcpleased 25576 499093 0 0 3 0x14200 bored smr 14238 88114 0 0 2 0x14200 zerothread 51644 269792 0 0 3 0x14200 aiodoned aiodoned 55922 64903 0 0 3 0x14200 syncer update 16980 137309 0 0 3 0x14200 cleaner cleaner 70682 484168 0 0 3 0x14200 reaper reaper 4589 240124 0 0 3 0x14200 pgdaemon pagedaemon 2462 32967 0 0 3 0x14200 bored viomb 70845 61096 0 0 3 0x40014200 acpi0 acpi0 56469 488334 0 0 3 0x40014200 idle1 17681 362719 0 0 3 0x14200 bored softnet1 97040 119948 0 0 3 0x14200 bored softnet0 9015 365893 0 0 3 0x14200 bored systqmp 20617 400576 0 0 3 0x14200 bored systq 22378 488517 0 0 3 0x14200 tmoslp softclockmp 35710 334634 0 0 3 0x40014200 tmoslp softclock 14476 506475 0 0 3 0x40014200 idle0 1 121313 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 (0xfffffd806b753110) #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_upper_lookup+0x337 sys/uvm/uvm_fault.c:-1 #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 33749 (syz-executor) thread 0xffff80003c41e2c0 (412858) exclusive rwlock amaplk r = 0 (0xfffffd806dab6c78) #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 (0xfffffd806b78f6d8) #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 (0xfffffd806b753110) #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_upper_lookup+0x337 sys/uvm/uvm_fault.c:-1 #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 26902 (syz-executor) thread 0xffff80003c41efb8 (287048) exclusive rrwlock inode r = 0 (0xfffffd806b6a7458) #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 10212 11127K 11228K 166960K 11395 0 pcb 19 12K 12K 166960K 33 0 rtable 225 7K 7K 166960K 366 0 pf 36 18K 18K 166960K 50 0 ifaddr 44 7K 7K 166960K 49 0 ifgroup 55 2K 2K 166960K 57 0 sysctl 3 1K 9K 166960K 7 0 counters 68 36K 37K 166960K 74 0 ioctlops 0 0K 4K 166960K 1502 0 iov 0 0K 4K 166960K 1 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1382 87K 87K 166960K 1457 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 3 0K 0K 166960K 3 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 202 0 proc 72 115K 163K 166960K 538 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 6 0 in_multi 103 7K 7K 166960K 109 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 49 228K 228K 166960K 49 0 exec 0 0K 1K 166960K 377 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 249 159K 169K 166960K 3630 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 42 84K 105K 166960K 1336 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 12 0K 1K 166960K 29 0 temp 39 8658K 8724K 166960K 6424 0 kqueue 15 24K 28K 166960K 46 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 39 0 35 1 0 1 1 0 8 0 rtentry 176 115 0 13 5 0 5 5 0 8 0 unpcb 144 136 0 51 4 0 4 4 0 8 0 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 63 0 53 4 0 4 4 0 8 3 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 157 0 138 4 0 4 4 0 8 2 nd6 152 25 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 3 0 3 1 0 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 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 pfstitem 24 23 0 0 1 0 1 1 0 8 0 pfstkey 128 25 0 2 1 0 1 1 0 8 0 pfstate 448 24 0 1 3 0 3 3 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 256 536 0 72 33 0 33 33 0 8 2 art_table 40 537 0 72 6 0 6 6 0 8 0 art_node 32 115 0 23 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 semapl 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 1686 0 170 95 0 95 95 0 8 0 ffsino 296 1686 0 170 117 0 117 117 0 8 0 nchpl 144 1971 0 271 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 vnodes 216 1844 0 0 103 0 103 103 0 8 0 namei 1024 6044 0 6044 2 0 2 2 0 8 2 percpumem 16 52 0 3 1 0 1 1 0 8 0 kstatmem 264 28 0 2 2 0 2 2 0 8 0 scxspl 216 7737 0 7735 10 2 8 8 1 8 7 plimitpl 152 33 0 15 1 0 1 1 0 8 0 sigapl 424 532 0 465 8 0 8 8 0 8 0 knotepl 120 501 0 0 16 0 16 16 0 8 0 kqueuepl 224 53 0 40 1 0 1 1 0 8 0 pipepl 344 123 0 93 3 0 3 3 0 8 0 fdescpl 528 496 0 465 3 0 3 3 0 8 0 filepl 160 2046 0 1734 14 0 14 14 0 8 0 lockfpl 104 50 0 42 1 0 1 1 0 8 0 lockfspl 48 23 0 18 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 32 0 15 1 0 1 1 0 8 0 ucredpl 104 127 0 114 1 0 1 1 0 8 0 zombiepl 144 466 0 465 1 0 1 1 0 8 0 processpl 1232 532 0 465 6 0 6 6 0 8 0 procpl 664 655 0 577 8 0 8 8 0 8 1 sockpl 752 333 0 223 12 0 12 12 0 8 1 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 110 0 0 14 0 14 14 0 8 0 mcl2k 2048 40 0 0 5 0 5 5 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 252 0 0 16 0 16 16 0 8 0 bufpl 280 2907 0 130 199 0 199 199 0 8 0 anonpl 32 5278 0 0 43 0 43 43 0 246 0 amapchunkpl 152 10284 0 9783 22 0 22 22 0 158 0 amappl16 200 2294 0 2154 11 3 8 8 0 8 0 amappl15 192 10 0 9 1 0 1 1 0 8 0 amappl14 184 9 0 9 1 1 0 1 0 8 0 amappl13 176 428 0 427 1 0 1 1 0 8 0 amappl12 168 865 0 824 3 0 3 3 0 8 0 amappl11 160 39 0 39 1 1 0 1 0 8 0 amappl10 152 82 0 68 1 0 1 1 0 8 0 amappl9 144 251 0 251 1 1 0 1 0 8 0 amappl8 136 30 0 28 1 0 1 1 0 8 0 amappl7 128 107 0 106 1 0 1 1 0 8 0 amappl6 120 276 0 263 1 0 1 1 0 8 0 amappl5 112 85 0 75 1 0 1 1 0 8 0 amappl4 104 424 0 395 1 0 1 1 0 8 0 amappl3 96 1693 0 1602 3 0 3 3 0 8 0 amappl2 88 630 0 554 2 0 2 2 0 8 0 amappl1 80 9820 0 9235 14 0 14 14 0 8 0 amappl 88 2878 0 2707 5 0 5 5 0 92 0 uvmvnodes 80 103 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 496 0 465 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 496 0 465 1 0 1 1 0 8 0 vmmpekpl 168 6051 0 6010 2 0 2 2 0 8 0 vmmpepl 168 40584 0 38573 93 0 93 93 0 357 1 vmsppl 488 495 0 465 5 0 5 5 0 8 0 rwobjpl 80 14916 0 13781 24 0 24 24 0 8 0 pdppl 4096 999 0 930 99 26 73 85 0 8 4 pvpl 32 13328 0 0 108 0 108 108 0 265 0 pmappl 256 495 0 465 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 284 0 28 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: 0x70a7f8b64210, 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_write_1(3f8,0,2c) at x86_bus_space_io_write_1+0x40 sys/arch/amd64/amd64/bus_space.c:790 comcnputc(800,2c) at comcnputc+0x1ab bus_space_barrier sys/dev/ic/com.c:-1 [inline] comcnputc(800,2c) at comcnputc+0x1ab sys/dev/ic/com.c:1263 cnputc(2c) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(2c) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff833411bd) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff8340224a) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff80003c460b90,0) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff80003c460b90) at kerntrap+0x19c sys/arch/amd64/amd64/trap.c:510 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff80000148e000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 end trace frame: 0xffff80003c460cc0, 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_write_1(3f8,0,2c) at x86_bus_space_io_write_1+0x40 sys/arch/amd64/amd64/bus_space.c:790 comcnputc(800,2c) at comcnputc+0x1ab bus_space_barrier sys/dev/ic/com.c:-1 [inline] comcnputc(800,2c) at comcnputc+0x1ab sys/dev/ic/com.c:1263 cnputc(2c) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(2c) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff833411bd) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff8340224a) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff80003c460b90,0) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff80003c460b90) at kerntrap+0x19c sys/arch/amd64/amd64/trap.c:510 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff80000148e000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(31e5f,81,2000,ffff8000fffea550) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff8000fffea550) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c460d40) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806788bd00,81,fffffd80097fd7b8,ffff8000fffea550) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8067f23740,ffff8000fffea550) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8067f23740,ffff8000fffea550) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8067f23740,ffff8000fffea550) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8067f23740,ffff8000fffea550) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffea550) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffea550,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffea550,ffff80003c4610b0,ffff80003c461000) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4610b0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4610b0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x731c5e6712e0, count: -25