*cpu1: uvm_fault(0xfffffd8071232d80, 0x0, 0, 1) -> e ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7872719cdb20, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c43bae0 rbx 0 rdx 0 rcx 0xffff80003b3f9248 rax 0x2a r8 0xffff80003c43ba10 r9 0x4 r10 0xb66b2b592b954f0f r11 0xe6127d4e546c7edb r12 0 r13 0 r14 0 r15 0 rip 0xffffffff820c94c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff80003c43ba60 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{0}> show proc PROC (syz-executor) tid=175354 pid=70837 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=0xffff80003b3f9ca8,0xffffffff839524c0 process=0xffff80003c4ceb78 user=0xffff80003c436000, vmspace=0xfffffd80712329b0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *70837 175354 17814 0 7 0 syz-executor 57067 184647 19233 0 2 0x3000 syz-executor 10418 178805 49878 0 4 0x82000 syz-executor 10418 91293 49878 0 3 0x4082000 biowait syz-executor 10418 434181 49878 0 3 0x4082000 fltagain2 syz-executor 10418 271847 49878 0 3 0x4002000 suspend syz-executor 53734 15595 36379 0 3 0x82 nanoslp syz-executor 49878 174504 36379 0 3 0x82 nanoslp syz-executor 16638 304511 0 0 3 0x14280 nfsidl nfsio 66383 87273 0 0 3 0x14280 nfsidl nfsio 18784 308438 0 0 3 0x14280 nfsidl nfsio 82041 435688 0 0 3 0x14280 nfsidl nfsio 77626 340648 0 0 3 0x14280 nfsidl nfsio 9123 228722 0 0 3 0x14280 nfsidl nfsio 55550 126051 0 0 3 0x14280 nfsidl nfsio 42672 460074 0 0 3 0x14280 nfsidl nfsio 16405 307741 0 0 3 0x14280 nfsidl nfsio 66653 483628 0 0 3 0x14280 nfsidl nfsio 70532 293367 0 0 3 0x14280 nfsidl nfsio 87646 524262 0 0 3 0x14280 nfsidl nfsio 59995 370901 0 0 3 0x14280 nfsidl nfsio 91997 4859 0 0 3 0x14280 nfsidl nfsio 48901 404497 0 0 3 0x14280 nfsidl nfsio 13941 295913 0 0 3 0x14280 nfsidl nfsio 446 388087 0 0 3 0x14280 nfsidl nfsio 10679 298663 0 0 3 0x14280 nfsidl nfsio 4351 352195 0 0 3 0x14280 nfsidl nfsio 46040 18692 0 0 3 0x14280 nfsidl nfsio 29378 428879 36379 0 3 0x82 nanoslp syz-executor 53915 154983 36379 0 3 0x82 nanoslp syz-executor 17814 465464 36379 0 2 0x2 syz-executor 47691 518806 36379 0 3 0x82 wait syz-executor 4238 172489 36379 0 3 0x82 wait syz-executor 19233 175545 36379 0 3 0x82 nanoslp syz-executor 36379 422859 51062 0 2 0x2 syz-executor 51062 209094 90678 0 3 0x10008a sigsusp ksh 90678 141245 32430 0 3 0x98 kqread sshd-session 32430 133050 74240 0 3 0x92 kqread sshd-session 61798 85175 1 0 3 0x100083 ttyopn getty 74240 412145 1 0 3 0x88 kqread sshd 72171 263102 39608 74 3 0x1100092 bpf pflogd 39608 222570 1 0 3 0x80 sbwait pflogd 26655 174499 24291 73 3 0x1100010 ffs_fsync syslogd 24291 295649 1 0 3 0x100082 sbwait syslogd 75440 353207 1 0 3 0x100080 kqread resolvd 5703 419509 15467 77 3 0x100092 kqread dhcpleased 54383 26338 15467 77 3 0x100092 kqread dhcpleased 15467 46050 1 0 3 0x80 kqread dhcpleased 73886 191285 0 0 3 0x14200 bored smr 92840 473443 0 0 3 0x14200 pgzero zerothread 14659 138887 0 0 3 0x14200 aiodoned aiodoned 35062 187198 0 0 3 0x14200 syncer update 96217 90888 0 0 3 0x14200 cleaner cleaner 99473 221807 0 0 3 0x14200 reaper reaper 91964 113003 0 0 3 0x14200 pgdaemon pagedaemon 5551 502614 0 0 3 0x14200 bored viomb 46629 401920 0 0 3 0x40014200 acpi0 acpi0 22614 298285 0 0 3 0x40014200 idle1 60103 214051 0 0 3 0x14200 bored softnet1 18602 437813 0 0 3 0x14200 bored softnet0 83508 89557 0 0 3 0x14200 bored systqmp 24405 372942 0 0 3 0x14200 bored systq 11386 408843 0 0 3 0x14200 tmoslp softclockmp 14334 152913 0 0 3 0x40014200 tmoslp softclock 16578 515115 0 0 3 0x40014200 idle0 1 324389 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff83953690) #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 uvm_pageactivate+0x15a sys/uvm/uvm_page.c:1313 #3 uvm_fault_lower+0x82e sys/uvm/uvm_fault.c:1552 #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 70837 (syz-executor) thread 0xffff80003b3f9248 (175354) shared rwlock uobjlk r = 0 (0xfffffd806d77dc88) #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 (0xfffffd8071232ab0) #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 &uvm.pageqlock r = 0 (0xffffffff83953690) #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 uvm_pageactivate+0x15a sys/uvm/uvm_page.c:1313 #3 uvm_fault_lower+0x82e sys/uvm/uvm_fault.c:1552 #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 10418 (syz-executor) thread 0xffff80002efc9790 (91293) exclusive rrwlock inode r = 0 (0xfffffd805e16ab50) #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:775 #9 Xsyscall+0x128 Process 26655 (syslogd) thread 0xffff80002a263c98 (174499) exclusive rrwlock inode r = 0 (0xfffffd806ed0bb68) #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 sys_fsync+0x144 sys/kern/vfs_syscalls.c:2940 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11106 12197K 13940K 166960K 13381 0 pcb 17 14K 15K 166960K 326 0 rtable 275 12K 12K 166960K 771 0 pf 35 17K 19K 166960K 183 0 ifaddr 44 8K 9K 166960K 143 0 ifgroup 58 2K 3K 166960K 245 0 sysctl 4 1K 9K 166960K 13 0 counters 70 37K 38K 166960K 266 0 ioctlops 0 0K 4K 166960K 1774 0 iov 0 0K 24K 166960K 152 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1426 90K 90K 166960K 2286 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 113 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 1452 0 sigio 0 0K 0K 166960K 35 0 proc 72 115K 180K 166960K 678 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 188 0 in_multi 102 7K 7K 166960K 206 0 ether_multi 1 0K 0K 166960K 11 0 mrt 0 0K 0K 166960K 19 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 653 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 252 168K 187K 166960K 14978 0 UVM aobj 92 9K 13K 166960K 100 0 pinsyscall 43 86K 106K 166960K 2635 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 139 0 NDP 12 0K 2K 166960K 96 0 temp 82 8680K 8932K 166960K 64743 0 kqueue 13 20K 32K 166960K 361 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 120 152 0 149 1 0 1 1 0 8 0 rtentry 176 194 0 79 6 0 6 6 0 8 0 unpcb 144 994 0 977 10 8 2 4 0 8 1 syncache 336 10 0 10 3 3 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 736 475 0 469 11 10 1 7 0 8 0 arp 136 28 0 9 1 0 1 1 0 8 0 inpcb 328 1883 0 1872 18 11 7 7 0 8 5 nd6 152 40 0 8 2 0 2 2 0 8 0 pkpcb 40 12 0 12 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 mppekey 1024 2 0 2 1 0 1 1 0 8 1 ppxss 1192 77 0 77 2 1 1 1 0 8 1 pppxif 1504 14 0 14 2 1 1 1 0 8 1 pffrag 232 11 0 4 1 0 1 1 0 482 0 pffrnode 88 10 0 4 1 0 1 1 0 8 0 pffrent 40 15 0 8 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 rttmr 136 6 0 6 2 2 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 887 0 380 35 3 32 32 0 8 0 art_table 40 891 0 380 6 0 6 6 0 8 0 art_node 32 193 0 91 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 14 1 0 1 1 0 8 0 semupl 112 3 0 3 3 3 0 1 0 8 0 semapl 112 109 0 99 1 0 1 1 0 8 0 shmpl 112 90 0 4 3 0 3 3 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 4129 0 2620 96 0 96 96 0 8 0 ffsino 296 4129 0 2620 118 0 118 118 0 8 0 nchpl 144 6156 0 4456 64 0 64 64 0 8 0 rtmask 32 10 0 10 3 2 1 1 0 8 1 vnodes 216 4107 0 0 229 0 229 229 0 8 0 namei 1024 21667 0 21667 4 3 1 2 0 8 1 percpumem 16 148 0 98 1 0 1 1 0 8 0 vcpupl 3968 3 0 0 1 0 1 1 0 8 0 vmpool 848 6 0 3 1 0 1 1 0 8 0 kstatmem 264 150 0 124 5 2 3 3 0 8 1 scsiplug 72 10 0 10 4 3 1 1 0 8 1 scxspl 216 33587 0 33585 12 11 1 8 1 8 0 plimitpl 152 439 0 419 1 0 1 1 0 8 0 sigapl 424 1771 0 1703 8 0 8 8 0 8 0 knotepl 120 785 0 0 23 0 23 23 0 8 0 kqueuepl 224 525 0 515 4 2 2 3 0 8 1 pipepl 344 451 0 423 9 6 3 9 0 8 0 fdescpl 528 1731 0 1699 3 0 3 3 0 8 0 filepl 160 11978 0 11751 22 9 13 15 0 8 1 lockfpl 104 629 0 626 2 0 2 2 0 8 1 lockfspl 48 213 0 210 1 0 1 1 0 8 0 sessionpl 144 28 0 19 1 0 1 1 0 8 0 pgrppl 48 65 0 47 1 0 1 1 0 8 0 ucredpl 104 2088 0 2075 1 0 1 1 0 8 0 zombiepl 144 1709 0 1703 1 0 1 1 0 8 0 processpl 1232 1771 0 1703 6 0 6 6 0 8 0 procpl 664 4086 0 4015 8 0 8 8 0 8 0 sosppl 176 22 0 22 2 1 1 1 0 8 1 sockpl 752 3218 0 3187 30 19 11 14 0 8 7 mcl64k 65536 5 0 0 1 0 1 1 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 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 132 0 0 17 0 17 17 0 8 0 mcl2k 2048 129 0 0 15 1 14 14 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 872 0 0 53 0 53 53 0 8 0 bufpl 280 12761 0 6625 439 0 439 439 0 8 0 anonpl 32 9864 0 0 80 0 80 80 0 246 0 amapchunkpl 152 49694 0 49181 52 17 35 35 0 158 11 amappl16 200 5480 0 5394 42 26 16 20 0 8 8 amappl15 192 46 0 46 1 1 0 1 0 8 0 amappl14 184 8 0 8 1 1 0 1 0 8 0 amappl13 176 503 0 502 1 0 1 1 0 8 0 amappl12 168 2115 0 2073 3 0 3 3 0 8 0 amappl11 160 3 0 3 1 1 0 1 0 8 0 amappl10 152 52 0 38 1 0 1 1 0 8 0 amappl9 144 246 0 246 1 1 0 1 0 8 0 amappl8 136 32 0 30 1 0 1 1 0 8 0 amappl7 128 91 0 89 1 0 1 1 0 8 0 amappl6 120 302 0 287 1 0 1 1 0 8 0 amappl5 112 81 0 70 1 0 1 1 0 8 0 amappl4 104 476 0 446 1 0 1 1 0 8 0 amappl3 96 8919 0 8821 3 0 3 3 0 8 0 amappl2 88 1871 0 1795 2 0 2 2 0 8 0 amappl1 80 15851 0 15246 15 0 15 15 0 8 0 amappl 88 13985 0 13813 5 0 5 5 0 92 0 uvmvnodes 80 157 0 0 4 0 4 4 0 8 0 dma4096 4096 2 0 2 2 2 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 128 256 0 256 4 4 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 20 0 19 1 0 1 1 0 8 0 aobjpl 72 99 0 8 2 0 2 2 0 8 0 uaddrrnd 24 1731 0 1699 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1731 0 1699 1 0 1 1 0 8 0 vmmpekpl 168 16133 0 16083 4 1 3 3 0 8 0 vmmpepl 168 115700 0 113655 116 14 102 103 0 357 6 vmsppl 488 1730 0 1699 6 1 5 5 0 8 0 rwobjpl 80 32146 0 30896 34 3 31 31 0 8 0 pdppl 4096 3481 0 3407 125 49 76 85 0 8 2 pvpl 32 19443 0 0 159 2 157 158 0 265 0 pmappl 256 1736 0 1702 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 377 0 72 9 0 9 9 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: 0x7872719cdb20, 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_read_1(3f8,5) at x86_bus_space_io_read_1+0x37 sys/arch/amd64/amd64/bus_space.c:670 comcnputc(800,65) at comcnputc+0x250 comcn_read_reg sys/dev/ic/com.c:1655 [inline] comcnputc(800,65) at comcnputc+0x250 sys/dev/ic/com.c:1269 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(ffffffff8343654b) at db_printf+0x9b sys/kern/subr_prf.c:-1 db_ktrap(6,0,ffff80003a3e8dc0) at db_ktrap+0xe3 db_printtrap sys/arch/amd64/amd64/db_interface.c:99 [inline] db_ktrap(6,0,ffff80003a3e8dc0) at db_ktrap+0xe3 sys/arch/amd64/amd64/db_interface.c:128 kerntrap(ffff80003a3e8dc0) at kerntrap+0x242 sys/arch/amd64/amd64/trap.c:511 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff8000016bf000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff80003b3f8550) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003b3f8550) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 end trace frame: 0xffff80003a3e8f60, 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_read_1(3f8,5) at x86_bus_space_io_read_1+0x37 sys/arch/amd64/amd64/bus_space.c:670 comcnputc(800,65) at comcnputc+0x250 comcn_read_reg sys/dev/ic/com.c:1655 [inline] comcnputc(800,65) at comcnputc+0x250 sys/dev/ic/com.c:1269 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(ffffffff8343654b) at db_printf+0x9b sys/kern/subr_prf.c:-1 db_ktrap(6,0,ffff80003a3e8dc0) at db_ktrap+0xe3 db_printtrap sys/arch/amd64/amd64/db_interface.c:99 [inline] db_ktrap(6,0,ffff80003a3e8dc0) at db_ktrap+0xe3 sys/arch/amd64/amd64/db_interface.c:128 kerntrap(ffff80003a3e8dc0) at kerntrap+0x242 sys/arch/amd64/amd64/trap.c:511 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff8000016bf000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff80003b3f8550) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003b3f8550) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003a3e8f70) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80609a1960,81,fffffd80097fd1a0,ffff80003b3f8550) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8066c67d20,ffff80003b3f8550) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8066c67d20,ffff80003b3f8550) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8066c67d20,ffff80003b3f8550) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8066c67d20,ffff80003b3f8550) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003b3f8550) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003b3f8550,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003b3f8550,ffff80003a3e92e0,ffff80003a3e9230) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003a3e92e0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a3e92e0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72816bc88f20, count: -24