*cpu1: uvm_fault(0xfffffd806eba0560, 0xf, 0, 1) -> e ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x77fbaaa1c840, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff8000398c1c90 rbx 0 rdx 0 rcx 0xffff80003c4f7220 rax 0x2a r8 0xffff8000398c1bc0 r9 0xbbf6c763001 r10 0x4b607f79a301afaf r11 0xef00722baa3d5916 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff8145a4c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff8000398c1c10 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x680 ddb{0}> show proc PROC (syz-executor) tid=80390 pid=95687 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=0xffff8000ffffb730,0xffff80003c4f62d0 process=0xffff80003bce9bb0 user=0xffff8000398bc000, vmspace=0xfffffd806bc96020 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *95687 80390 90089 0 7 0 syz-executor 75647 435309 29854 0 3 0x3000 suspend syz-executor 75647 79915 29854 0 7 0x4081000 syz-executor 75647 280221 29854 0 2 0x4081000 syz-executor 33903 7560 87658 0 3 0x80 nanoslp syz-executor 33903 390272 87658 0 3 0x4000080 msgwait syz-executor 33903 380528 87658 0 3 0x4000080 fsleep syz-executor 56655 433913 0 0 3 0x14200 bored sosplice 26735 82429 57065 0 2 0 syz-executor 26735 256781 57065 0 3 0x4000080 fsleep syz-executor 2541 490137 82030 0 3 0x80 nanoslp syz-executor 2541 476570 82030 0 3 0x4000080 lockf syz-executor 2541 416604 82030 0 3 0x4000080 lockf syz-executor 2541 290129 82030 0 3 0x4000080 fsleep syz-executor 83912 457888 36943 0 3 0x100082 sbwait arp 36943 20943 96512 0 3 0x10008a sigsusp sh 87658 156572 9983 0 3 0x82 nanoslp syz-executor 27140 157884 9983 0 2 0x2 syz-executor 77038 420973 9983 0 2 0x2 syz-executor 82030 61499 9983 0 3 0x82 nanoslp syz-executor 57065 33872 9983 0 3 0x82 nanoslp syz-executor 29854 435021 9983 0 3 0x82 nanoslp syz-executor 90089 439908 9983 0 3 0x82 nanoslp syz-executor 96512 99205 9983 0 3 0x82 wait syz-executor 9983 2044 50710 0 3 0x82 kqread syz-executor 50710 78561 95320 0 3 0x10008a sigsusp ksh 95320 486815 16649 0 3 0x98 kqread sshd-session 16649 258231 11397 0 3 0x92 kqread sshd-session 4861 474134 1 0 3 0x100083 ttyin getty 11397 513435 1 0 3 0x88 kqread sshd 90260 341847 5920 74 3 0x1100092 bpf pflogd 5920 468804 1 0 3 0x80 sbwait pflogd 52015 380201 19952 73 3 0x1100090 kqread syslogd 19952 3498 1 0 3 0x100082 sbwait syslogd 97383 392223 1 0 3 0x100080 kqread resolvd 24153 351162 56422 77 3 0x100092 kqread dhcpleased 21185 82013 56422 77 3 0x100092 kqread dhcpleased 56422 186068 1 0 3 0x80 kqread dhcpleased 55843 411403 0 0 3 0x14200 bored smr 96344 510104 0 0 2 0x14200 zerothread 46499 301804 0 0 3 0x14200 aiodoned aiodoned 76871 39769 0 0 3 0x14200 syncer update 16174 200794 0 0 3 0x14200 cleaner cleaner 29277 392937 0 0 3 0x14200 reaper reaper 59669 123787 0 0 3 0x14200 pgdaemon pagedaemon 42623 38389 0 0 3 0x14200 bored viomb 72759 491741 0 0 3 0x40014200 acpi0 acpi0 57301 456360 0 0 3 0x40014200 idle1 8892 74402 0 0 3 0x14200 bored softnet3 3505 78716 0 0 3 0x14200 bored softnet2 34375 57260 0 0 3 0x14200 bored softnet1 2718 495781 0 0 3 0x14200 bored softnet0 10393 414695 0 0 3 0x14200 bored systqmp 42627 73522 0 0 3 0x14200 bored systq 84404 289433 0 0 3 0x14200 tmoslp softclockmp 13345 441882 0 0 3 0x40014200 tmoslp softclock 91451 481461 0 0 3 0x40014200 idle0 1 118826 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff838a8c00) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvm_fault_upper+0x3d9 sys/uvm/uvm_fault.c:1127 #4 uvm_fault+0x19c sys/uvm/uvm_fault.c:676 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 Process 95687 (syz-executor) thread 0xffff80003c4f7220 (80390) exclusive rwlock amaplk r = 0 (0xfffffd806ce0cba0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 uvm_fault_check+0x54c sys/uvm/uvm_fault.c:846 #3 uvm_fault+0x106 sys/uvm/uvm_fault.c:668 #4 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806bc96120) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_read+0x3af sys/kern/kern_rwlock.c:405 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1864 #3 uvm_fault_check+0x4b sys/uvm/uvm_fault.c:732 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:668 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff838a8c00) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvm_fault_upper+0x3d9 sys/uvm/uvm_fault.c:1127 #4 uvm_fault+0x19c sys/uvm/uvm_fault.c:676 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 Process 75647 (syz-executor) thread 0xffff8000ffffb730 (79915) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838a6078) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x24f sys/kern/kern_synch.c:414 #4 biowait+0xc1 sys/kern/vfs_bio.c:1246 #5 bwrite+0x2e5 sys/kern/vfs_bio.c:758 #6 ffs_update+0x34f sys/ufs/ffs/ffs_inode.c:111 #7 ffs_truncate+0xcb6 #8 ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84 #9 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 #10 vrele+0x129 sys/kern/vfs_subr.c:845 #11 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 #12 ktrops+0x271 sys/kern/kern_ktrace.c:573 #13 doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] #13 doktrace+0x6dd sys/kern/kern_ktrace.c:517 #14 sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 #15 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #15 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #16 Xsyscall+0x128 Process 27140 (syz-executor) thread 0xffff8000ffffa020 (157884) exclusive rrwlock inode r = 0 (0xfffffd806bd55f18) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:694 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c076ab0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10190 11021K 11021K 166960K 11271 0 pcb 18 12K 12K 166960K 26 0 rtable 218 6K 6K 166960K 328 0 pf 35 17K 21K 166960K 50 0 ifaddr 41 7K 7K 166960K 43 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 3 1K 1K 166960K 3 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 4K 166960K 1484 0 iov 0 0K 12K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1336 84K 84K 166960K 1370 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 89K 166960K 165 0 proc 72 91K 127K 166960K 525 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 1 0 in_multi 89 6K 6K 166960K 89 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 37 175K 175K 166960K 37 0 exec 0 0K 1K 166960K 363 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 215 72K 73K 166960K 3010 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 43 86K 104K 166960K 1234 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 4 0 NDP 26 1K 1K 166960K 26 0 temp 35 8630K 8694K 166960K 4321 0 kqueue 14 22K 22K 166960K 28 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 35 0 31 1 0 1 1 0 8 0 rtentry 112 103 0 1 3 0 3 3 0 8 0 unpcb 144 43 0 26 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 808 17 0 12 1 0 1 1 0 8 0 arp 120 17 0 0 1 0 1 1 0 8 0 inpcb 376 88 0 77 2 0 2 2 0 8 0 nd6 136 21 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pfstscr 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 18 0 0 1 0 1 1 0 8 0 pfstkey 128 18 0 0 1 0 1 1 0 8 0 pfstate 376 17 0 0 2 0 2 2 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 411 0 0 26 0 26 26 0 8 0 art_table 32 412 0 0 4 0 4 4 0 8 0 art_node 16 102 0 9 1 0 1 1 0 8 0 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 1622 0 111 95 0 95 95 0 8 0 ffsino 280 1622 0 111 109 0 109 109 0 8 0 nchpl 144 1862 0 176 63 0 63 63 0 8 0 uvmvnodes 80 1714 0 0 35 0 35 35 0 8 0 vnodes 216 1714 0 0 96 0 96 96 0 8 0 namei 1024 5704 0 5704 1 0 1 1 0 8 1 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 5940 0 5940 3 1 2 2 1 8 2 plimitpl 152 32 0 14 1 0 1 1 0 8 0 sigapl 424 464 0 414 8 1 7 7 0 8 0 futexpl 64 514 0 511 1 0 1 1 0 8 0 knotepl 120 302 0 0 10 0 10 10 0 8 0 kqueuepl 216 29 0 18 1 0 1 1 0 8 0 pipepl 328 109 0 82 3 0 3 3 0 8 0 fdescpl 504 445 0 414 5 0 5 5 0 8 0 filepl 152 1603 0 1382 11 0 11 11 0 8 2 lockfpl 104 24 0 17 1 0 1 1 0 8 0 lockfspl 48 11 0 6 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 30 0 13 1 0 1 1 0 8 0 ucredpl 104 100 0 87 1 0 1 1 0 8 0 zombiepl 144 415 0 414 1 0 1 1 0 8 0 processpl 1176 464 0 414 5 0 5 5 0 8 0 procpl 656 523 0 465 7 1 6 6 0 8 0 sockpl 688 166 0 134 4 0 4 4 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 117 0 0 15 0 15 15 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 207 0 0 13 0 13 13 0 8 0 bufpl 280 2343 0 130 159 0 159 159 0 8 0 anonpl 24 101565 0 98333 24 0 24 24 0 184 3 amapchunkpl 152 9091 0 8642 21 0 21 21 0 158 1 amappl16 200 1994 0 1972 5 0 5 5 0 8 3 amappl15 192 3 0 3 1 0 1 1 0 8 1 amappl14 184 111 0 98 1 0 1 1 0 8 0 amappl13 176 40 0 40 1 0 1 1 0 8 1 amappl12 168 1116 0 1083 3 1 2 2 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 26 0 26 1 0 1 1 0 8 1 amappl9 144 252 0 252 1 0 1 1 0 8 1 amappl8 136 23 0 20 1 0 1 1 0 8 0 amappl7 128 106 0 93 1 0 1 1 0 8 0 amappl6 120 190 0 186 1 0 1 1 0 8 0 amappl5 112 120 0 111 1 0 1 1 0 8 0 amappl4 104 309 0 289 1 0 1 1 0 8 0 amappl3 96 1442 0 1337 4 0 4 4 0 8 0 amappl2 88 626 0 561 2 0 2 2 0 8 0 amappl1 80 7727 0 7127 14 0 14 14 0 8 0 amappl 88 2649 0 2493 5 0 5 5 0 92 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 445 0 414 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 445 0 414 1 0 1 1 0 8 0 vmmpekpl 168 5370 0 5334 2 0 2 2 0 8 0 vmmpepl 168 34041 0 32220 85 0 85 85 0 357 0 vmsppl 456 444 0 414 5 0 5 5 0 8 0 rwobjpl 64 14432 0 11762 44 0 44 44 0 8 0 pdppl 4096 898 0 828 96 12 84 84 0 8 14 pvpl 32 10080 0 0 82 0 82 82 0 265 0 pmappl 248 444 0 414 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 264 0 14 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: 0x77fbaaa1c840, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029aabff0) 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:654 comcnputc(800,63) at comcnputc+0xd0 comcn_read_reg sys/dev/ic/com.c:1655 [inline] comcnputc(800,63) at comcnputc+0xd0 sys/dev/ic/com.c:1259 cnputc(63) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(63) at db_putchar+0x65c sys/ddb/db_output.c:155 kprintf() at kprintf+0x843 db_printf(ffffffff8340fc30) at db_printf+0x9b db_ktrap(6,0,ffff80003a4e1190) at db_ktrap+0x1b7 sys/arch/amd64/amd64/db_interface.c:129 kerntrap(ffff80003a4e1190) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b ktrops(ffff8000ffffb730,ffffffffffffffff,0,80000b1c,fffffd806c69fd98,fffffd807f7d2410) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff8000ffffb730,ffffffffffffffff,0,80000b1c,fffffd806c69fd98,fffffd807f7d2410) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806c69fd98,4,b1c,0,ffff8000ffffb730) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806c69fd98,4,b1c,0,ffff8000ffffb730) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 end trace frame: 0xffff80003a4e14c0, count: 0 ddb{1}> trace x86_ipi_db(ffff800029aabff0) 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:654 comcnputc(800,63) at comcnputc+0xd0 comcn_read_reg sys/dev/ic/com.c:1655 [inline] comcnputc(800,63) at comcnputc+0xd0 sys/dev/ic/com.c:1259 cnputc(63) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(63) at db_putchar+0x65c sys/ddb/db_output.c:155 kprintf() at kprintf+0x843 db_printf(ffffffff8340fc30) at db_printf+0x9b db_ktrap(6,0,ffff80003a4e1190) at db_ktrap+0x1b7 sys/arch/amd64/amd64/db_interface.c:129 kerntrap(ffff80003a4e1190) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b ktrops(ffff8000ffffb730,ffffffffffffffff,0,80000b1c,fffffd806c69fd98,fffffd807f7d2410) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff8000ffffb730,ffffffffffffffff,0,80000b1c,fffffd806c69fd98,fffffd807f7d2410) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806c69fd98,4,b1c,0,ffff8000ffffb730) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806c69fd98,4,b1c,0,ffff8000ffffb730) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff8000ffffb730,ffff80003a4e15a0,ffff80003a4e14f0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003a4e15a0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a4e15a0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x84c8e482f30, count: -17