uvm_fault(fffffd807f0008a0,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807f0008a0,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021f21940,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021f21940) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020e129e8,ffff800021f21b08,ffff800021f21b50) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021f21bd0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f21bd0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa5e018b2d50, 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(ffffffff828e55b8,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd807f0008a0,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd807f0008a0,fffffd80080d77e8,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd807f0008a0,fffffd80080d77e8,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd807f0008a0,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807f0008a0,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021f21940,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021f21940) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020e129e8,ffff800021f21b08,ffff800021f21b50) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021f21bd0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f21bd0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa5e018b2d50, count: -14 ddb{1}> show registers rdi 0 rsi 0x3ffff acpi_pdirpa+0x2be67 rbp 0xffff800021f213c0 rbx 0x2 rdx 0x40000 acpi_pdirpa+0x2be68 rcx 0xffff800023104000 rax 0xffff800000ad84c0 r8 0xffffffff815a86ff kprintf+0x16f r9 0x1 r10 0x2 r11 0xbeb1e82c11f5c020 r12 0x1 r13 0xfffffd80080d38b0 r14 0xffff800020e129e8 r15 0x3 rip 0xffffffff81bf2388 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021f213b0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.1) pid=361349 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020e12508,0xffffffff828ea208 process=0xffff800020e11b20 user=0xffff800021f1c000, vmspace=0xfffffd807f0008a0 estcpu=36, cpticks=19, pctcpu=0.0 user=0, sys=19, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 98876 435958 2967 0 7 0 syz-executor.1 *98876 361349 2967 0 7 0x4000000 syz-executor.1 96766 243034 0 0 3 0x14280 nfsidl nfsio 14417 370871 0 0 3 0x14280 nfsidl nfsio 8943 366097 0 0 3 0x14280 nfsidl nfsio 59744 49697 0 0 3 0x14280 nfsidl nfsio 50873 106132 0 0 3 0x14280 nfsidl nfsio 77594 442618 0 0 3 0x14280 nfsidl nfsio 30238 327533 0 0 3 0x14280 nfsidl nfsio 14902 318682 0 0 3 0x14280 nfsidl nfsio 17229 89960 0 0 3 0x14280 nfsidl nfsio 57961 491494 0 0 3 0x14280 nfsidl nfsio 13244 313312 0 0 3 0x14280 nfsidl nfsio 44511 48142 0 0 3 0x14280 nfsidl nfsio 60527 494306 0 0 3 0x14280 nfsidl nfsio 80776 471886 0 0 3 0x14280 nfsidl nfsio 11060 246475 0 0 3 0x14280 nfsidl nfsio 24729 263655 0 0 3 0x14280 nfsidl nfsio 51682 452333 0 0 3 0x14280 nfsidl nfsio 55322 56659 0 0 3 0x14280 nfsidl nfsio 57687 87199 0 0 3 0x14280 nfsidl nfsio 28938 53152 0 0 3 0x14280 nfsidl nfsio 36196 459251 0 0 3 0x14200 acct acct 35969 135566 31404 0 3 0x2 biowait syz-executor.0 81160 97129 1 0 3 0x100083 ttyin getty 98755 74652 0 0 3 0x14200 bored sosplice 2967 215603 31404 0 3 0x82 nanosleep syz-executor.1 31404 258197 60011 0 3 0x82 nanosleep syz-fuzzer 31404 116569 60011 0 3 0x4000082 nanosleep syz-fuzzer 31404 209845 60011 0 3 0x4000082 thrsleep syz-fuzzer 31404 65247 60011 0 3 0x4000082 kqread syz-fuzzer 31404 142061 60011 0 3 0x4000082 thrsleep syz-fuzzer 31404 449104 60011 0 3 0x4000082 thrsleep syz-fuzzer 31404 288120 60011 0 3 0x4000082 thrsleep syz-fuzzer 31404 149835 60011 0 3 0x4000082 thrsleep syz-fuzzer 31404 488631 60011 0 3 0x4000082 thrsleep syz-fuzzer 31404 179769 60011 0 3 0x4000082 thrsleep syz-fuzzer 60011 491661 45637 0 3 0x10008a pause ksh 45637 186769 40897 0 3 0x92 select sshd 40897 261263 1 0 3 0x80 select sshd 48800 330895 72772 74 3 0x100092 bpf pflogd 72772 201370 1 0 3 0x80 netio pflogd 32144 405943 77302 73 3 0x100090 kqread syslogd 77302 435347 1 0 3 0x100082 netio syslogd 18027 278673 1 77 3 0x100090 poll dhclient 36348 335298 1 0 3 0x80 poll dhclient 18607 505152 0 0 3 0x14200 bored smr 29080 508835 0 0 3 0x14200 pgzero zerothread 27084 399839 0 0 3 0x14200 aiodoned aiodoned 19358 377216 0 0 3 0x14200 syncer update 12907 94133 0 0 3 0x14200 cleaner cleaner 31085 510752 0 0 3 0x14200 reaper reaper 24559 305155 0 0 3 0x14200 pgdaemon pagedaemon 17150 72329 0 0 3 0x14200 bored crynlk 5865 221084 0 0 3 0x14200 bored crypto 64303 324032 0 0 3 0x40014200 acpi0 acpi0 7408 392458 0 0 3 0x40014200 idle1 24383 81666 0 0 3 0x14200 bored softnet 71909 522370 0 0 3 0x14200 bored systqmp 85656 29879 0 0 3 0x14200 bored systq 35808 39641 0 0 3 0x40014200 bored softclock 71699 269190 0 0 3 0x40014200 idle0 1 227411 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 98876 (syz-executor.1) thread 0xffff800020e129e8 (361349) exclusive rwlock vmmaplk r = 0 (0xfffffd807f0008b8) #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 (0xffffffff82743058) #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 (0xffffffff828a43b0) #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 35969 (syz-executor.0) thread 0xffff800020e19128 (135566) exclusive rrwlock inode r = 0 (0xfffffd806e3241a8) #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 (0xfffffd8068a35810) #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 9548 6435K 6953K 78643K 11684 0 pcb 13 8K 8K 78643K 99 0 rtable 109 6K 8K 78643K 492 0 ifaddr 91 16K 17K 78643K 204 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 67 0 ioctlops 0 0K 4K 78643K 1572 0 iov 0 0K 16K 78643K 70 0 mount 1 1K 1K 78643K 1 0 vnodes 1225 77K 77K 78643K 1560 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 7 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 27 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 622 0 sigio 0 0K 0K 78643K 4 0 proc 64 63K 83K 78643K 534 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 31 0 in_multi 44 2K 2K 78643K 78 0 ether_multi 1 0K 0K 78643K 5 0 mrt 0 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 67 307K 307K 78643K 67 0 exec 0 0K 1K 78643K 255 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 130 55K 56K 78643K 3039 0 UVM aobj 31 3K 3K 78643K 33 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 72 0 NDP 16 0K 0K 78643K 35 0 temp 150 3857K 3922K 78643K 8573 0 kqueue 3 4K 10K 78643K 26 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 8 0 4 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 47 0 45 1 0 1 1 0 8 0 rtentry 112 63 0 26 2 0 2 2 0 8 0 unpcb 120 1811 0 1801 1 0 1 1 0 8 0 syncache 264 9 0 9 4 4 0 1 0 8 0 tcpqe 32 122 0 122 2 2 0 1 0 8 0 tcpcb 544 166 0 161 1 0 1 1 0 8 0 inpcb 280 508 0 500 4 3 1 2 0 8 0 rttmr 72 2 0 2 2 2 0 1 0 8 0 nd6 48 11 0 7 1 0 1 1 0 8 0 pffrag 232 4 0 3 4 3 1 1 0 482 0 pffrnode 88 4 0 3 4 3 1 1 0 8 0 pffrent 40 14 0 13 5 4 1 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 53 0 48 2 1 1 1 0 8 0 pfstitem 24 18 0 12 1 0 1 1 0 8 0 pfstkey 112 18 0 12 1 0 1 1 0 8 0 pfstate 328 18 0 12 2 0 2 2 0 8 0 pfrule 1360 46 0 31 3 1 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 284 0 94 13 1 12 12 0 8 0 art_table 32 285 0 94 2 0 2 2 0 8 0 art_node 16 62 0 28 1 0 1 1 0 8 0 sysvmsgpl 40 37 0 25 1 0 1 1 0 8 0 semupl 112 4 0 4 2 2 0 1 0 8 0 semapl 112 19 0 9 1 0 1 1 0 8 0 shmpl 112 31 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2226 0 819 90 1 89 89 0 8 0 ffsino 272 2226 0 819 95 1 94 94 0 8 0 nchpl 144 3203 0 1609 60 0 60 60 0 8 0 uvmvnodes 72 2513 0 0 46 0 46 46 0 8 0 vnodes 208 2513 0 0 133 0 133 133 0 8 0 namei 1024 9630 0 9630 5 4 1 1 0 8 1 percpumem 16 44 0 12 1 0 1 1 0 8 0 vcpupl 1984 3 0 0 1 0 1 1 0 8 0 vmpool 560 7 0 4 1 0 1 1 0 8 0 pfiaddrpl 120 16 0 12 2 1 1 1 0 8 0 scxspl 192 9917 0 9916 13 12 1 7 0 8 0 plimitpl 152 47 0 39 1 0 1 1 0 8 0 sigapl 424 857 0 804 7 1 6 7 0 8 0 futexpl 56 8999 0 8999 4 3 1 1 0 8 1 knotepl 112 98 0 79 1 0 1 1 0 8 0 kqueuepl 144 85 0 83 1 0 1 1 0 8 0 pipelkpl 48 154 0 144 1 0 1 1 0 8 0 pipepl 120 308 0 289 1 0 1 1 0 8 0 fdescpl 496 820 0 804 3 0 3 3 0 8 0 filepl 152 6232 0 6131 9 4 5 6 0 8 1 lockfpl 104 109 0 108 1 0 1 1 0 8 0 lockfspl 48 38 0 37 1 0 1 1 0 8 0 sessionpl 112 20 0 9 1 0 1 1 0 8 0 pgrppl 48 28 0 17 1 0 1 1 0 8 0 ucredpl 96 640 0 631 1 0 1 1 0 8 0 zombiepl 144 806 0 806 2 1 1 1 0 8 1 processpl 984 857 0 804 8 1 7 7 0 8 0 procpl 624 2202 0 2139 6 0 6 6 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 10 0 10 2 2 0 1 0 8 0 sockpl 400 2368 0 2348 14 11 3 6 0 8 1 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 9 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 10 0 0 2 0 2 2 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 181 0 0 22 3 19 22 0 8 0 mtagpl 80 49 0 0 1 0 1 1 0 8 0 mbufpl 256 292 0 0 17 0 17 17 0 8 0 bufpl 280 5555 0 135 388 0 388 388 0 8 0 anonpl 16 93755 0 78284 84 18 66 73 0 124 0 amapchunkpl 152 5085 0 4935 18 10 8 14 0 158 0 amappl16 192 3918 0 3064 60 16 44 55 0 8 0 amappl15 184 5 0 3 1 0 1 1 0 8 0 amappl14 176 26 0 19 1 0 1 1 0 8 0 amappl13 168 43 0 39 1 0 1 1 0 8 0 amappl12 160 442 0 438 1 0 1 1 0 8 0 amappl11 152 75 0 59 1 0 1 1 0 8 0 amappl10 144 163 0 158 1 0 1 1 0 8 0 amappl9 136 386 0 385 1 0 1 1 0 8 0 amappl8 128 382 0 342 2 0 2 2 0 8 0 amappl7 120 266 0 254 1 0 1 1 0 8 0 amappl6 112 28 0 24 1 0 1 1 0 8 0 amappl5 104 1148 0 1130 1 0 1 1 0 8 0 amappl4 96 514 0 485 1 0 1 1 0 8 0 amappl3 88 126 0 121 1 0 1 1 0 8 0 amappl2 80 5577 0 5505 2 0 2 2 0 8 0 amappl1 72 27995 0 27559 23 13 10 18 0 8 0 amappl 80 2468 0 2423 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 32 0 2 1 0 1 1 0 8 0 uaddrrnd 24 827 0 808 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 827 0 808 1 0 1 1 0 8 0 vmmpekpl 168 10315 0 10278 2 0 2 2 0 8 0 vmmpepl 168 106989 0 104958 143 49 94 121 0 357 0 vmsppl 368 826 0 808 2 0 2 2 0 8 0 pdppl 4096 1661 0 1619 7 1 6 6 0 8 0 pvpl 32 302146 0 283668 187 34 153 174 0 265 0 pmappl 232 826 0 808 4 2 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 288 0 25 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8275eff0) 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(ffffffff828a41a8) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828a41a8) at __mp_lock+0x127 sys/kern/kern_lock.c:147 intr_handler(ffff800020ed5500,ffff80000065ad80) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:525 Xintr_ioapic_edge4_untramp() at Xintr_ioapic_edge4_untramp+0x19f __mp_lock(ffffffff828a41a8) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828a41a8) at __mp_lock+0x127 sys/kern/kern_lock.c:147 intr_handler(ffff800020ed5650,ffff80000004a400) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:525 Xintr_ioapic_edge17_untramp() at Xintr_ioapic_edge17_untramp+0x19f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x7 kd_curproc sys/dev/kcov.c:75 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x7 sys/dev/kcov.c:79 sys_clock_gettime(ffff800020e12508,ffff800020ed57e0,ffff800020ed5830) at sys_clock_gettime+0x4c sys/kern/kern_time.c:165 syscall(ffff800020ed58b0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ed58b0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffde4a0, count: -13 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(ffffffff828e55b8,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd807f0008a0,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd807f0008a0,fffffd80080d77e8,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd807f0008a0,fffffd80080d77e8,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd807f0008a0,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807f0008a0,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021f21940,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021f21940) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020e129e8,ffff800021f21b08,ffff800021f21b50) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021f21bd0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f21bd0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa5e018b2d50, count: -14