*cpu1: uvm_fault(0xfffffd806bc8ea58, 0xf, 0, 1) -> e ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x7c57bab44e70, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a12c520 rbx 0 rdx 0 rcx 0xffff8000ffff67b8 rax 0x3c r8 0xffff80002a12c450 r9 0 r10 0xa40dd6459bfb84 r11 0x84af6874dfc166fd r12 0 r13 0 r14 0xffff8000ffff67b8 r15 0 rip 0xffffffff829493ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff80002a12c4a0 ss 0 savectx+0xae: movl $0,%gs:0x680 ddb{0}> show proc PROC (syz-executor) tid=172753 pid=93812 tcnt=1 stat=onproc flags process=2 proc=0 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff6a40,0xffff8000ffff6540 process=0xffff8000ffff8010 user=0xffff80002a127000, vmspace=0xfffffd806c79a388 estcpu=36, cpticks=1, pctcpu=0.1, user=0, sys=5, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 68751 339430 21841 0 2 0 syz-executor 68751 65015 21841 0 3 0x4000080 fsleep syz-executor 61522 312303 14769 0 2 0 syz-executor 61522 142583 14769 0 3 0x4000080 fsleep syz-executor 15122 398213 9621 0 2 0 syz-executor 15122 246464 9621 0 7 0x4000000 syz-executor 83429 427140 51139 0 2 0 syz-executor 83429 289709 51139 0 3 0x4000080 fsleep syz-executor 68842 403677 7235 0 3 0x80 nanoslp syz-executor 68842 44983 7235 0 3 0x4000080 sbwait syz-executor 68842 310638 7235 0 3 0x4000080 fsleep syz-executor 87262 523791 22300 0 3 0x80 nanoslp syz-executor 87262 388730 22300 0 3 0x4000080 lockf syz-executor 87262 510059 22300 0 3 0x4000080 lockf syz-executor 87262 229607 22300 0 3 0x4000080 fsleep syz-executor 7235 511458 41658 0 3 0x82 nanoslp syz-executor 14769 47928 41658 0 2 0x482 syz-executor *93812 172753 41658 0 7 0x2 syz-executor 9621 1 41658 0 2 0x482 syz-executor 21841 487964 41658 0 3 0x82 nanoslp syz-executor 22300 465023 41658 0 2 0x482 syz-executor 62129 108556 41658 0 2 0x482 syz-executor 51139 504341 41658 0 2 0x2 syz-executor 41658 203319 5206 0 3 0x82 kqread syz-executor 5206 363459 30863 0 3 0x10008a sigsusp ksh 30863 7454 71606 0 3 0x98 kqread sshd-session 71606 400444 78530 0 3 0x92 kqread sshd-session 26255 338963 1 0 3 0x100083 ttyin getty 78530 159419 1 0 3 0x88 kqread sshd 83918 431248 41765 74 3 0x1100092 bpf pflogd 41765 259657 1 0 3 0x80 sbwait pflogd 92921 176068 6980 73 3 0x1100090 kqread syslogd 6980 129479 1 0 3 0x100082 sbwait syslogd 27987 395062 1 0 3 0x100080 kqread resolvd 90073 400355 97954 77 3 0x100092 kqread dhcpleased 59400 279537 97954 77 3 0x100092 kqread dhcpleased 97954 44090 1 0 3 0x80 kqread dhcpleased 71038 229546 0 0 2 0x40014200 smr 89346 145114 0 0 2 0x14200 zerothread 80967 304077 0 0 3 0x14200 aiodoned aiodoned 15594 48087 0 0 3 0x14200 syncer update 24747 513262 0 0 3 0x14200 cleaner cleaner 42995 444703 0 0 3 0x14200 reaper reaper 61787 478042 0 0 3 0x14200 pgdaemon pagedaemon 14289 83147 0 0 3 0x14200 bored viomb 49254 487250 0 0 3 0x40014200 acpi0 acpi0 48808 30023 0 0 3 0x40014200 idle1 72063 228209 0 0 3 0x14200 bored softnet3 73339 279607 0 0 3 0x14200 bored softnet2 94017 106323 0 0 3 0x14200 bored softnet1 29887 118292 0 0 3 0x14200 bored softnet0 60281 180494 0 0 3 0x14200 bored systqmp 7782 452545 0 0 3 0x14200 bored systq 25984 313788 0 0 3 0x14200 tmoslp softclockmp 44588 232402 0 0 3 0x40014200 tmoslp softclock 66750 122591 0 0 3 0x40014200 idle0 1 55469 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex anonpl r = 0 (0xffffffff83561570) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 pool_get+0x103 sys/kern/subr_pool.c:579 #4 uvm_analloc+0x36 sys/uvm/uvm_anon.c:63 #5 uvm_fault_lower+0x20f sys/uvm/uvm_fault.c:1390 #6 uvm_fault+0x301 sys/uvm/uvm_fault.c:637 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 Process 61522 (syz-executor) thread 0xffff800032b90a50 (312303) exclusive rwlock amaplk r = 0 (0xfffffd806c2c7868) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 uvm_fault_check+0x521 sys/uvm/uvm_fault.c:782 #2 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #4 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806bc8eeb8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 #3 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #4 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 Process 15122 (syz-executor) thread 0xffff800032b90cd8 (246464) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8359da98) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 getblk+0x197 sys/kern/vfs_bio.c:1025 #5 bread+0x47 bio_doread sys/kern/vfs_bio.c:430 [inline] #5 bread+0x47 sys/kern/vfs_bio.c:475 #6 ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 #7 ufs_inactive+0x2e2 sys/ufs/ufs/ufs_inode.c:95 #8 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 #9 vrele+0x129 sys/kern/vfs_subr.c:827 #10 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 #11 ktrops+0x271 sys/kern/kern_ktrace.c:564 #12 doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] #12 doktrace+0x6dd sys/kern/kern_ktrace.c:508 #13 sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 #14 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #14 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #15 Xsyscall+0x128 Process 93812 (syz-executor) thread 0xffff8000ffff67b8 (172753) exclusive rrwlock inode r = 0 (0xfffffd806bd6bb40) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:676 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x218 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dofstatat+0xd2 sys/kern/vfs_syscalls.c:2070 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive mutex anonpl r = 0 (0xffffffff83561570) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 pool_get+0x103 sys/kern/subr_pool.c:579 #4 uvm_analloc+0x36 sys/uvm/uvm_anon.c:63 #5 uvm_fault_lower+0x20f sys/uvm/uvm_fault.c:1390 #6 uvm_fault+0x301 sys/uvm/uvm_fault.c:637 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10194 10165K 10287K 166960K 11335 0 pcb 18 12K 12K 166960K 37 0 rtable 237 7K 7K 166960K 379 0 pf 35 17K 19K 166960K 51 0 ifaddr 43 7K 7K 166960K 46 0 ifgroup 55 2K 2K 166960K 57 0 counters 64 36K 36K 166960K 66 0 ioctlops 0 0K 4K 166960K 1495 0 iov 0 0K 8K 166960K 6 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1367 86K 86K 166960K 1441 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 5 0K 0K 166960K 5 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 93K 166960K 217 0 sigio 1 0K 0K 166960K 4 0 proc 68 91K 140K 166960K 529 0 subproc 104 6K 6K 166960K 104 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 99 7K 7K 166960K 99 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 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 369 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 240 73K 74K 166960K 3671 0 UVM aobj 4 2K 2K 166960K 5 0 pinsyscall 41 82K 105K 166960K 1286 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 3 0 NDP 12 0K 2K 166960K 29 0 temp 74 6823K 6888K 166960K 9616 0 kqueue 13 20K 26K 166960K 39 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 38 0 35 1 0 1 1 0 8 0 rtentry 112 118 0 8 4 0 4 4 0 8 0 unpcb 144 89 0 68 2 0 2 2 0 8 1 syncache 336 4 0 4 2 1 1 1 0 8 1 tcpcb 808 20 0 16 1 0 1 1 0 8 0 arp 120 20 0 2 1 0 1 1 0 8 0 inpcb 336 132 0 124 2 0 2 2 0 8 1 nd6 136 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 1 0 1 1 0 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 1 0 1 1 0 1 1 0 482 1 pffrnode 88 1 0 1 1 0 1 1 0 8 1 pffrent 40 44 0 44 1 0 1 1 0 8 1 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 25 0 0 1 0 1 1 0 8 0 pfstkey 128 26 0 1 1 0 1 1 0 8 0 pfstate 376 26 0 1 3 0 3 3 0 8 0 pfrule 1344 22 0 16 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 455 0 4 29 0 29 29 0 8 0 art_table 32 457 0 4 4 0 4 4 0 8 0 art_node 16 116 0 17 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 1 1 0 1 1 0 8 0 semapl 112 3 0 0 1 0 1 1 0 8 0 shmpl 112 2 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1700 0 189 95 0 95 95 0 8 0 ffsino 272 1700 0 189 101 0 101 101 0 8 0 nchpl 144 2000 0 313 63 0 63 63 0 8 0 uvmvnodes 80 1846 0 0 38 0 38 38 0 8 0 vnodes 216 1846 0 0 103 0 103 103 0 8 0 namei 1024 6138 0 6138 2 0 2 2 0 8 2 percpumem 16 47 0 1 1 0 1 1 0 8 0 kstatmem 264 26 0 2 2 0 2 2 0 8 0 scxspl 216 5786 0 5786 3 1 2 2 1 8 2 plimitpl 152 46 0 29 1 0 1 1 0 8 0 sigapl 424 515 0 466 8 1 7 7 0 8 1 futexpl 64 1314 0 1309 1 0 1 1 0 8 0 knotepl 120 312 0 0 10 0 10 10 0 8 0 kqueuepl 216 42 0 33 1 0 1 1 0 8 0 pipepl 320 143 0 116 6 0 6 6 0 8 3 fdescpl 496 497 0 467 5 0 5 5 0 8 0 filepl 152 2014 0 1763 13 0 13 13 0 8 2 lockfpl 104 36 0 30 1 0 1 1 0 8 0 lockfspl 48 18 0 15 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 32 0 15 1 0 1 1 0 8 0 ucredpl 104 203 0 190 1 0 1 1 0 8 0 zombiepl 144 467 0 466 1 0 1 1 0 8 0 processpl 1160 515 0 466 5 0 5 5 0 8 1 procpl 648 667 0 609 7 1 6 6 0 8 0 srpgc 96 4 0 4 1 0 1 1 0 8 1 sockpl 664 260 0 228 4 0 4 4 0 8 1 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 232 0 0 29 0 29 29 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 277 0 0 17 0 17 17 0 8 0 bufpl 280 2388 0 99 164 0 164 164 0 8 0 anonpl 24 186606 0 181436 39 2 37 37 0 185 0 amapchunkpl 152 12700 0 12126 27 0 27 27 0 158 1 amappl16 200 5266 0 5213 6 3 3 5 0 8 0 amappl15 192 21 0 21 1 1 0 1 0 8 0 amappl14 184 122 0 110 1 0 1 1 0 8 0 amappl13 176 12 0 12 1 1 0 1 0 8 0 amappl12 168 1144 0 1114 4 1 3 3 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 15 0 15 1 1 0 1 0 8 0 amappl9 144 152 0 152 1 1 0 1 0 8 0 amappl8 136 26 0 23 1 0 1 1 0 8 0 amappl7 128 106 0 94 1 0 1 1 0 8 0 amappl6 120 170 0 169 1 0 1 1 0 8 0 amappl5 112 136 0 125 1 0 1 1 0 8 0 amappl4 104 316 0 295 1 0 1 1 0 8 0 amappl3 96 2160 0 2063 3 0 3 3 0 8 0 amappl2 88 703 0 627 2 0 2 2 0 8 0 amappl1 80 8003 0 7419 14 0 14 14 0 8 1 amappl 88 3306 0 3129 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 4 0 1 1 0 1 1 0 8 0 uaddrrnd 24 499 0 469 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 499 0 469 1 0 1 1 0 8 0 vmmpekpl 168 6082 0 6040 2 0 2 2 0 8 0 vmmpepl 168 40772 0 38895 87 0 87 87 0 357 0 vmsppl 440 498 0 469 6 1 5 5 0 8 1 rwobjpl 56 18836 0 16009 41 0 41 41 0 8 0 pdppl 4096 1005 0 938 97 26 71 85 0 8 4 pvpl 32 12588 0 0 102 0 102 102 0 265 0 pmappl 248 498 0 469 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 388 0 29 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x7c57bab44e70, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(800,70) at comcnputc+0x250 comcn_read_reg sys/dev/ic/com.c:1655 [inline] comcnputc(800,70) at comcnputc+0x250 sys/dev/ic/com.c:1269 cnputc(70) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(70) at db_putchar+0x65c sys/ddb/db_output.c:155 kprintf() at kprintf+0x2aba sys/kern/subr_prf.c:1065 db_printf(ffffffff8301d9d0) at db_printf+0x9b db_ktrap(6,0,ffff8000371d5330) at db_ktrap+0x169 db_printtrap sys/arch/amd64/amd64/db_interface.c:101 [inline] db_ktrap(6,0,ffff8000371d5330) at db_ktrap+0x169 sys/arch/amd64/amd64/db_interface.c:127 kerntrap(ffff8000371d5330) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b ktrops(ffff800032b90cd8,ffffffffffffffff,0,a0001410,fffffd806bfcb718,fffffd807f7d3000) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff800032b90cd8,ffffffffffffffff,0,a0001410,fffffd806bfcb718,fffffd807f7d3000) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd806bfcb718,4,20001410,0,ffff800032b90cd8) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd806bfcb718,4,20001410,0,ffff800032b90cd8) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 end trace frame: 0xffff8000371d5660, count: 0 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(800,70) at comcnputc+0x250 comcn_read_reg sys/dev/ic/com.c:1655 [inline] comcnputc(800,70) at comcnputc+0x250 sys/dev/ic/com.c:1269 cnputc(70) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(70) at db_putchar+0x65c sys/ddb/db_output.c:155 kprintf() at kprintf+0x2aba sys/kern/subr_prf.c:1065 db_printf(ffffffff8301d9d0) at db_printf+0x9b db_ktrap(6,0,ffff8000371d5330) at db_ktrap+0x169 db_printtrap sys/arch/amd64/amd64/db_interface.c:101 [inline] db_ktrap(6,0,ffff8000371d5330) at db_ktrap+0x169 sys/arch/amd64/amd64/db_interface.c:127 kerntrap(ffff8000371d5330) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b ktrops(ffff800032b90cd8,ffffffffffffffff,0,a0001410,fffffd806bfcb718,fffffd807f7d3000) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff800032b90cd8,ffffffffffffffff,0,a0001410,fffffd806bfcb718,fffffd807f7d3000) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd806bfcb718,4,20001410,0,ffff800032b90cd8) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd806bfcb718,4,20001410,0,ffff800032b90cd8) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff800032b90cd8,ffff8000371d5740,ffff8000371d5690) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff8000371d5740) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371d5740) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd585a0fd590, count: -17