uvm_fault(fffffd8064596010,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd8064596010,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021f073a0,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021f073a0) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800021f08298,ffff800021f07568,ffff800021f075b0) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021f07630) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f07630) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x40f6c6d5ce0, count: 243 End of stack trace. Stopped at db_enter+0x18: addq $0x8,%rsp ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 yield() at yield+0x77 sys/kern/sched_bsd.c:304 pool_get(ffffffff828df468,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd8064596010,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd8064596010,fffffd806b8b8630,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd8064596010,fffffd806b8b8630,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd8064596010,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd8064596010,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021f073a0,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021f073a0) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800021f08298,ffff800021f07568,ffff800021f075b0) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021f07630) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f07630) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x40f6c6d5ce0, count: -14 ddb{1}> show registers rdi 0 rsi 0x3ffff acpi_pdirpa+0x2be67 rbp 0xffff800021f06e20 rbx 0x2 rdx 0x40000 acpi_pdirpa+0x2be68 rcx 0xffff800020ee8000 rax 0xffff800000ae8000 r8 0xffffffff81ba7bdf kprintf+0x16f r9 0x1 r10 0xffff800021f06cb0 r11 0x93f427a27f65c505 r12 0x1 r13 0xfffffd80672f4158 r14 0xffff800021f08298 r15 0x3 rip 0xffffffff815eaaf8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021f06e10 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=8145 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800021f08508,0xffffffff828e39a8 process=0xffff800020ea9368 user=0xffff800021f02000, vmspace=0xfffffd8064596010 estcpu=36, cpticks=16, pctcpu=0.0 user=0, sys=16, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 955 348722 58994 0 7 0 syz-executor.0 * 955 8145 58994 0 7 0x4000000 syz-executor.0 97444 262567 0 0 3 0x14200 bored sosplice 29521 438891 0 0 3 0x14200 acct acct 22077 52690 0 0 3 0x14280 nfsidl nfsio 79976 248927 0 0 3 0x14280 nfsidl nfsio 81895 397493 0 0 3 0x14280 nfsidl nfsio 14774 56667 0 0 3 0x14280 nfsidl nfsio 66455 42967 0 0 3 0x14280 nfsidl nfsio 95614 254300 0 0 3 0x14280 nfsidl nfsio 31264 500175 0 0 3 0x14280 nfsidl nfsio 73158 362682 0 0 3 0x14280 nfsidl nfsio 62596 30976 0 0 3 0x14280 nfsidl nfsio 6487 43593 0 0 3 0x14280 nfsidl nfsio 55078 192267 0 0 3 0x14280 nfsidl nfsio 25533 183642 0 0 3 0x14280 nfsidl nfsio 28378 311495 0 0 3 0x14280 nfsidl nfsio 63264 66569 0 0 3 0x14280 nfsidl nfsio 79972 404501 0 0 3 0x14280 nfsidl nfsio 46086 482103 0 0 3 0x14280 nfsidl nfsio 84868 355423 0 0 3 0x14280 nfsidl nfsio 61502 381997 0 0 3 0x14280 nfsidl nfsio 10588 86107 0 0 3 0x14280 nfsidl nfsio 51469 330639 0 0 3 0x14280 nfsidl nfsio 19636 307239 15170 0 3 0x2 biowait syz-executor.1 58994 102212 15170 0 3 0x82 nanosleep syz-executor.0 15170 387541 46243 0 3 0x82 nanosleep syz-fuzzer 15170 413416 46243 0 3 0x4000082 nanosleep syz-fuzzer 15170 469556 46243 0 3 0x4000082 thrsleep syz-fuzzer 15170 325712 46243 0 3 0x4000082 thrsleep syz-fuzzer 15170 464356 46243 0 3 0x4000082 thrsleep syz-fuzzer 15170 383302 46243 0 3 0x4000082 thrsleep syz-fuzzer 15170 393122 46243 0 3 0x4000082 thrsleep syz-fuzzer 15170 353843 46243 0 3 0x4000082 kqread syz-fuzzer 15170 432633 46243 0 3 0x4000082 thrsleep syz-fuzzer 15170 433245 46243 0 3 0x4000082 thrsleep syz-fuzzer 15170 4037 46243 0 3 0x4000082 thrsleep syz-fuzzer 46243 86566 31545 0 3 0x10008a pause ksh 31545 429221 16628 0 3 0x92 select sshd 57443 375031 1 0 3 0x100083 ttyin getty 16628 222055 1 0 3 0x80 select sshd 47299 45410 48191 74 3 0x100092 bpf pflogd 48191 158529 1 0 3 0x80 netio pflogd 81792 421942 63674 73 3 0x100090 kqread syslogd 63674 32592 1 0 3 0x100082 netio syslogd 60351 514435 1 77 3 0x100090 poll dhclient 28835 434021 1 0 3 0x80 poll dhclient 12995 84557 0 0 3 0x14200 bored smr 73484 520520 0 0 3 0x14200 pgzero zerothread 88361 279137 0 0 3 0x14200 aiodoned aiodoned 58873 191324 0 0 3 0x14200 syncer update 20494 200905 0 0 3 0x14200 cleaner cleaner 11999 320833 0 0 3 0x14200 reaper reaper 88196 287803 0 0 3 0x14200 pgdaemon pagedaemon 75475 330195 0 0 3 0x14200 bored crynlk 44121 3771 0 0 3 0x14200 bored crypto 69158 414016 0 0 3 0x40014200 acpi0 acpi0 89452 503020 0 0 3 0x40014200 idle1 18419 261070 0 0 3 0x14200 bored softnet 17617 420730 0 0 3 0x14200 bored systqmp 93952 262774 0 0 3 0x14200 bored systq 82973 132638 0 0 3 0x40014200 bored softclock 56417 433825 0 0 3 0x40014200 idle0 1 242552 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 955 (syz-executor.0) thread 0xffff800021f08298 (8145) exclusive rwlock vmmaplk r = 0 (0xfffffd8064596028) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 vm_map_lock_ln+0x111 sys/uvm/uvm_map.c:5445 #3 uvmfault_lookup+0xbe sys/uvm/uvm_fault.c:1442 #4 uvm_fault+0xbbd uvmfault_amapcopy sys/uvm/uvm_fault.c:232 [inline] #4 uvm_fault+0xbbd sys/uvm/uvm_fault.c:559 #5 pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 #6 kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 #7 alltraps_kern_meltdown+0x7b #8 copyin+0x4b #9 sys_connect+0x9b sys/kern/uipc_syscalls.c:360 #10 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #11 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff82764fa8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sys_connect+0x6a sys/kern/uipc_syscalls.c:355 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828c9c58) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570 #2 Xsyscall+0x128 Process 19636 (syz-executor.1) thread 0xffff800020e37608 (307239) exclusive rrwlock inode r = 0 (0xfffffd8065e924e0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vget+0x1c8 sys/kern/vfs_subr.c:671 #6 ufs_ihashget+0x141 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x74 sys/ufs/ffs/ffs_vfsops.c:1329 #8 ufs_lookup+0x14b7 sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90 #10 vfs_lookup+0x7a6 sys/kern/vfs_lookup.c:568 #11 namei+0x63c sys/kern/vfs_lookup.c:249 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1853 #13 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b2133c8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419 #6 namei+0x63c sys/kern/vfs_lookup.c:249 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1853 #8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9516 6540K 7179K 78643K 11376 0 pcb 13 8K 8K 78643K 59 0 rtable 106 4K 7K 78643K 325 0 ifaddr 70 15K 15K 78643K 136 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 55 0 ioctlops 0 0K 4K 78643K 1525 0 iov 0 0K 16K 78643K 21 0 mount 1 1K 1K 78643K 1 0 vnodes 1224 77K 77K 78643K 1470 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 42 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 311 0 sigio 0 0K 0K 78643K 4 0 proc 60 63K 83K 78643K 485 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 17 0 in_multi 61 3K 3K 78643K 93 0 ether_multi 1 0K 0K 78643K 7 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 236 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 140 120K 120K 78643K 2017 0 UVM aobj 14 2K 2K 78643K 17 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 29 0 NDP 10 0K 0K 78643K 22 0 temp 95 3847K 3913K 78643K 4962 0 kqueue 3 4K 12K 78643K 15 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 7 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 21 0 19 1 0 1 1 0 8 0 rtentry 112 52 0 10 2 0 2 2 0 8 0 unpcb 120 340 0 330 1 0 1 1 0 8 0 syncache 264 9 0 9 3 3 0 1 0 8 0 tcpqe 32 47 0 47 2 2 0 1 0 8 0 tcpcb 544 200 0 193 1 0 1 1 0 8 0 inpcb 280 500 0 490 3 2 1 2 0 8 0 nd6 48 8 0 4 1 0 1 1 0 8 0 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 4 0 4 3 3 0 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 36 0 35 1 0 1 1 0 8 0 pfstitem 24 14 0 8 1 0 1 1 0 8 0 pfstkey 112 14 0 8 1 0 1 1 0 8 0 pfstate 328 14 0 8 2 1 1 2 0 8 0 pfrule 1360 28 0 21 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 236 0 64 12 1 11 12 0 8 0 art_table 32 237 0 64 2 0 2 2 0 8 0 art_node 16 51 0 12 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 9 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 38 0 28 1 0 1 1 0 8 0 shmpl 112 15 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1836 0 431 89 0 89 89 0 8 0 ffsino 272 1836 0 431 95 0 95 95 0 8 0 nchpl 144 2444 0 835 60 0 60 60 0 8 0 uvmvnodes 72 2055 0 0 38 0 38 38 0 8 0 vnodes 208 2055 0 0 109 0 109 109 0 8 0 namei 1024 7448 0 7448 3 2 1 1 0 8 1 percpumem 16 38 0 6 1 0 1 1 0 8 0 vcpupl 1984 12 0 0 2 0 2 2 0 8 0 vmpool 560 16 0 4 1 0 1 1 0 8 0 pfiaddrpl 120 10 0 10 1 1 0 1 0 8 0 scxspl 192 7313 0 7312 9 8 1 7 0 8 0 plimitpl 152 28 0 20 1 0 1 1 0 8 0 sigapl 424 548 0 495 9 2 7 7 0 8 1 futexpl 56 4779 0 4779 2 1 1 1 0 8 1 knotepl 112 80 0 61 1 0 1 1 0 8 0 kqueuepl 144 51 0 49 1 0 1 1 0 8 0 pipelkpl 48 126 0 116 1 0 1 1 0 8 0 pipepl 120 252 0 233 1 0 1 1 0 8 0 fdescpl 496 511 0 495 3 0 3 3 0 8 0 filepl 152 3713 0 3611 8 3 5 6 0 8 1 lockfpl 104 63 0 62 1 0 1 1 0 8 0 lockfspl 48 26 0 25 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 19 0 8 1 0 1 1 0 8 0 ucredpl 96 913 0 904 1 0 1 1 0 8 0 zombiepl 144 497 0 497 2 1 1 1 0 8 1 processpl 984 548 0 495 7 0 7 7 0 8 0 procpl 624 1252 0 1188 6 0 6 6 0 8 0 sosppl 128 3 0 3 2 2 0 1 0 8 0 sockpl 400 865 0 843 5 2 3 4 0 8 0 mcl64k 65536 261 0 0 33 0 33 33 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 182 0 0 22 0 22 22 0 8 0 mtagpl 80 80 0 0 2 0 2 2 0 8 0 mbufpl 256 498 0 0 30 0 30 30 0 8 0 bufpl 280 3851 0 134 266 0 266 266 0 8 0 anonpl 16 63630 0 46393 87 15 72 86 0 124 0 amapchunkpl 152 3221 0 3001 22 13 9 20 0 158 0 amappl16 192 2741 0 1865 57 12 45 57 0 8 1 amappl15 184 3 0 3 3 2 1 1 0 8 1 amappl14 176 22 0 19 1 0 1 1 0 8 0 amappl13 168 29 0 25 1 0 1 1 0 8 0 amappl12 160 7 0 6 2 1 1 1 0 8 0 amappl11 152 57 0 42 1 0 1 1 0 8 0 amappl10 144 20 0 14 1 0 1 1 0 8 0 amappl9 136 367 0 366 1 0 1 1 0 8 0 amappl8 128 349 0 315 2 0 2 2 0 8 0 amappl7 120 134 0 121 1 0 1 1 0 8 0 amappl6 112 26 0 21 1 0 1 1 0 8 0 amappl5 104 445 0 429 1 0 1 1 0 8 0 amappl4 96 495 0 462 1 0 1 1 0 8 0 amappl3 88 109 0 104 1 0 1 1 0 8 0 amappl2 80 3149 0 3076 2 0 2 2 0 8 0 amappl1 72 21663 0 21224 23 13 10 18 0 8 0 amappl 80 1485 0 1433 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 16 0 3 1 0 1 1 0 8 0 uaddrrnd 24 527 0 499 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 527 0 499 1 0 1 1 0 8 0 vmmpekpl 168 8083 0 8039 3 0 3 3 0 8 0 vmmpepl 168 69480 0 67435 124 29 95 115 0 357 5 vmsppl 368 526 0 499 3 0 3 3 0 8 0 pdppl 4096 1061 0 1010 7 0 7 7 0 8 0 pvpl 32 203201 0 183751 195 34 161 195 0 265 0 pmappl 232 526 0 499 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 317 0 8 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8277cff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828c9a50) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828c9a50) at __mp_lock+0x127 sys/kern/kern_lock.c:147 intr_handler(ffff800020ee1000,ffff80000065ad80) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge4_untramp() at Xintr_ioapic_edge4_untramp+0x19f __mp_lock(ffffffff828c9a50) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828c9a50) at __mp_lock+0x127 sys/kern/kern_lock.c:147 intr_handler(ffff800020ee1150,ffff800000255c80) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge20_untramp() at Xintr_ioapic_edge20_untramp+0x19f __mp_lock(ffffffff828c9a50) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828c9a50) at __mp_lock+0x127 sys/kern/kern_lock.c:147 intr_handler(ffff800020ee12a0,ffff80000004a400) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge17_untramp() at Xintr_ioapic_edge17_untramp+0x19f witness_warn(2,0,ffffffff8245e086) at witness_warn+0xb6 userret(ffff800021f08508) at userret+0x360 sys/kern/kern_sig.c:1898 syscall(ffff800020ee1550) at syscall+0x55f mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff800020ee1550) at syscall+0x55f sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdaeb0, count: -16 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 yield() at yield+0x77 sys/kern/sched_bsd.c:304 pool_get(ffffffff828df468,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd8064596010,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd8064596010,fffffd806b8b8630,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd8064596010,fffffd806b8b8630,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd8064596010,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd8064596010,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021f073a0,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021f073a0) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800021f08298,ffff800021f07568,ffff800021f075b0) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021f07630) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f07630) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x40f6c6d5ce0, count: -14