*cpu0: uvm_fault(0xfffffd80715978b0, 0x8, 0, 1) -> e ddb{1}> trace alltraps_kern_meltdown() at alltraps_kern_meltdown+0xa6 copyout() at copyout+0x53 pipe_read(fffffd806c46f9a0,ffff800029724a38,0) at pipe_read+0x150 sys/kern/sys_pipe.c:414 dofilereadv(ffff800021192fc8,f9,ffff800029724a38,0,ffff800029724b30) at dofilereadv+0x19e sys/kern/sys_generic.c:253 sys_read(ffff800021192fc8,ffff800029724ad0,ffff800029724b30) at sys_read+0x83 sys/kern/sys_generic.c:173 syscall(ffff800029724ba0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800029724ba0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdaf80, count: -7 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff800029724870 rbx 0 rdx 0 rcx 0 rax 0x2a r8 0xffff8000297247a0 r9 0x8e73ff5c001 r10 0x923895922621cd40 r11 0x7c223504c71e83cc r12 0 r13 0x40 r14 0xffff800029724a38 r15 0xffff800029724a68 rip 0xffffffff8255e1f9 alltraps_kern_meltdown+0xa6 cs 0x8 rflags 0x246 rsp 0xffff8000297247f0 ss 0x10 alltraps_kern_meltdown+0xa6: movl %ebx,%gs:0x538 ddb{1}> show proc PROC (syz-executor.6) pid=335227 stat=onproc flags process=10 proc=0 pri=17, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800021192548,0xffff8000ffff3a58 process=0xffff8000fffeedd0 user=0xffff80002971f000, vmspace=0xfffffd807145e018 estcpu=36, cpticks=0, pctcpu=0.3 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 72802 43790 14371 32767 2 0x10 syz-executor.1 72802 486519 14371 32767 7 0x4000010 syz-executor.1 23495 428916 70944 32767 3 0x90 nanoslp syz-executor.7 23495 286017 70944 32767 3 0x4000090 fsleep syz-executor.7 23495 222833 70944 32767 3 0x4000090 fsleep syz-executor.7 9090 418911 67503 32767 2 0x10 syz-executor.2 9090 380879 67503 32767 3 0x4000090 fsleep syz-executor.2 99804 225338 11579 32767 2 0x10 syz-executor.4 99804 380597 11579 32767 3 0x4000090 fsleep syz-executor.4 99804 22712 11579 32767 2 0x4000010 syz-executor.4 99804 30869 11579 32767 2 0x4000010 syz-executor.4 99804 84277 11579 32767 2 0x4000010 syz-executor.4 99804 430663 11579 32767 2 0x4000010 syz-executor.4 99804 478451 11579 32767 2 0x4000010 syz-executor.4 67228 10588 31757 32767 3 0x90 nanoslp syz-executor.5 67228 8067 31757 32767 3 0x4000090 fsleep syz-executor.5 67228 472305 31757 32767 2 0x4000010 syz-executor.5 67228 250107 31757 32767 2 0x4000010 syz-executor.5 67228 229231 31757 32767 2 0x4000010 syz-executor.5 26008 229747 23651 32767 2 0x490 syz-executor.0 26008 128087 23651 32767 3 0x4000090 kqsel syz-executor.0 26008 491186 23651 32767 3 0x4000090 fsleep syz-executor.0 14371 298783 54429 32767 2 0x490 syz-executor.1 54429 30012 98627 0 3 0x82 wait syz-executor.1 31757 390033 81286 32767 2 0x490 syz-executor.5 81286 433636 98627 0 3 0x82 wait syz-executor.5 *14297 335227 48980 32767 7 0x10 syz-executor.6 48980 311346 98627 0 3 0x82 wait syz-executor.6 23651 105416 73164 32767 2 0x490 syz-executor.0 73164 31435 98627 0 3 0x82 wait syz-executor.0 75519 678 0 0 3 0x14200 bored sosplice 70944 248782 54249 32767 2 0x490 syz-executor.7 67503 409310 30761 32767 2 0x490 syz-executor.2 73998 102981 9085 32767 2 0x10 syz-executor.3 54249 72008 98627 0 3 0x82 wait syz-executor.7 11579 180560 33790 32767 2 0x490 syz-executor.4 30761 486607 98627 0 3 0x82 wait syz-executor.2 33790 250045 98627 0 3 0x82 wait syz-executor.4 9085 18826 98627 0 3 0x82 wait syz-executor.3 98627 144672 86557 0 3 0x82 thrsleep syz-fuzzer 98627 109873 86557 0 2 0x4000482 syz-fuzzer 98627 496701 86557 0 3 0x4000082 thrsleep syz-fuzzer 98627 201018 86557 0 3 0x4000082 thrsleep syz-fuzzer 98627 208111 86557 0 3 0x4000082 thrsleep syz-fuzzer 98627 32969 86557 0 3 0x4000082 kqread syz-fuzzer 98627 517820 86557 0 3 0x4000082 thrsleep syz-fuzzer 98627 149893 86557 0 2 0x4000482 syz-fuzzer 98627 324310 86557 0 3 0x4000082 thrsleep syz-fuzzer 86557 202763 10611 0 3 0x10008a sigsusp ksh 10611 335253 56135 0 3 0x9a kqread sshd 31840 344241 1 0 3 0x100083 ttyin getty 56135 342816 1 0 3 0x88 kqread sshd 15525 114717 63790 73 3 0x1100090 kqread syslogd 63790 273259 1 0 3 0x100082 netio syslogd 73417 452284 1 0 3 0x100080 kqread resolvd 54848 423451 67159 77 3 0x100092 kqread dhcpleased 24259 267529 67159 77 3 0x100092 kqread dhcpleased 67159 278641 1 0 3 0x80 kqread dhcpleased 46551 482363 0 0 3 0x14200 bored smr 79358 274102 0 0 2 0x14200 zerothread 42215 85686 0 0 3 0x14200 aiodoned aiodoned 74941 301399 0 0 3 0x14200 syncer update 90241 517845 0 0 3 0x14200 cleaner cleaner 27580 140911 0 0 3 0x14200 reaper reaper 84100 322080 0 0 3 0x14200 pgdaemon pagedaemon 23774 328997 0 0 3 0x14200 bored viomb 96121 209541 0 0 3 0x40014200 acpi0 acpi0 99780 82281 0 0 3 0x40014200 idle1 97775 425237 0 0 3 0x14200 bored softnet 15302 45348 0 0 3 0x14200 bored systqmp 54135 285863 0 0 3 0x14200 bored systq 84538 225506 0 0 2 0x40014200 softclock 79887 300558 0 0 3 0x40014200 idle0 1 192146 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806c451cb8) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pmap_extract+0xa2 sys/arch/amd64/amd64/pmap.c:1517 #4 uvm_fault_upper_lookup+0x129 sys/uvm/uvm_fault.c:852 #5 uvm_fault+0x139 sys/uvm/uvm_fault.c:607 #6 kpageflttrap+0x209 #7 kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 #8 alltraps_kern_meltdown+0x7b #9 copyout+0x53 #10 pipe_read+0x150 sys/kern/sys_pipe.c:414 #11 dofilereadv+0x19e sys/kern/sys_generic.c:253 #12 sys_read+0x83 sys/kern/sys_generic.c:173 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 Process 72802 (syz-executor.1) thread 0xffff800021193a48 (486519) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82b5c7f0) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416 #3 sleep_finish+0x198 sys/kern/kern_synch.c:437 #4 tsleep+0x12c sys/kern/kern_synch.c:158 #5 biowait+0x91 sys/kern/vfs_bio.c:1271 #6 bwrite+0x21b sys/kern/vfs_bio.c:772 #7 VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656 #8 ufs_direnter+0x8fa sys/ufs/ufs/ufs_lookup.c:909 #9 ufs_makeinode+0x4cc sys/ufs/ufs/ufs_vnops.c:1868 #10 ufs_symlink+0x47 sys/ufs/ufs/ufs_vnops.c:1382 #11 VOP_SYMLINK+0xd0 sys/kern/vfs_vops.c:442 #12 dosymlinkat+0x154 sys/kern/vfs_syscalls.c:1804 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80698ed3d0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vget+0x1d3 sys/kern/vfs_subr.c:678 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318 #8 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #9 ufs_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1830 #10 ufs_symlink+0x47 sys/ufs/ufs/ufs_vnops.c:1382 #11 VOP_SYMLINK+0xd0 sys/kern/vfs_vops.c:442 #12 dosymlinkat+0x154 sys/kern/vfs_syscalls.c:1804 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 Process 14297 (syz-executor.6) thread 0xffff800021192fc8 (335227) exclusive rwlock amaplk r = 0 (0xfffffd806c4650f8) #0 witness_lock+0x44d #1 uvm_fault_check+0x3ca sys/uvm/uvm_fault.c:774 #2 uvm_fault+0x102 sys/uvm/uvm_fault.c:602 #3 kpageflttrap+0x209 #4 kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 #5 alltraps_kern_meltdown+0x7b #6 copyout+0x53 #7 pipe_read+0x150 sys/kern/sys_pipe.c:414 #8 dofilereadv+0x19e sys/kern/sys_generic.c:253 #9 sys_read+0x83 sys/kern/sys_generic.c:173 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd807145e030) #0 witness_lock+0x44d #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1762 #2 uvm_fault_check+0x3a sys/uvm/uvm_fault.c:674 #3 uvm_fault+0x102 sys/uvm/uvm_fault.c:602 #4 kpageflttrap+0x209 #5 kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 #6 alltraps_kern_meltdown+0x7b #7 copyout+0x53 #8 pipe_read+0x150 sys/kern/sys_pipe.c:414 #9 dofilereadv+0x19e sys/kern/sys_generic.c:253 #10 sys_read+0x83 sys/kern/sys_generic.c:173 #11 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #11 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #12 Xsyscall+0x128 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806c451cb8) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pmap_extract+0xa2 sys/arch/amd64/amd64/pmap.c:1517 #4 uvm_fault_upper_lookup+0x129 sys/uvm/uvm_fault.c:852 #5 uvm_fault+0x139 sys/uvm/uvm_fault.c:607 #6 kpageflttrap+0x209 #7 kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 #8 alltraps_kern_meltdown+0x7b #9 copyout+0x53 #10 pipe_read+0x150 sys/kern/sys_pipe.c:414 #11 dofilereadv+0x19e sys/kern/sys_generic.c:253 #12 sys_read+0x83 sys/kern/sys_generic.c:173 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 Process 73998 (syz-executor.3) thread 0xffff8000ffff22a8 (102981) exclusive rrwlock inode r = 0 (0xfffffd8070ef9f78) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vget+0x1d3 sys/kern/vfs_subr.c:678 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #11 namei+0x36a sys/kern/vfs_lookup.c:245 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c965e68) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10199 6410K 6419K 78643K 11335 0 pcb 13 12K 14K 78643K 17 0 rtable 274 7K 8K 78643K 1608 0 ifaddr 81 17K 17K 78643K 188 0 sysctl 3 1K 1K 78643K 3 0 counters 56 35K 35K 78643K 86 0 ioctlops 0 0K 2K 78643K 133 0 iov 0 0K 28K 78643K 2392 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1271 79K 79K 78643K 5641 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 3 5K 9K 78643K 177 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 4259 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 24 89K 129K 78643K 15371 0 sigio 0 0K 0K 78643K 412 0 proc 56 78K 115K 78643K 1811 0 subproc 104 6K 6K 78643K 299 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 2 0K 0K 78643K 17771 0 in_multi 99 6K 7K 78643K 492 0 ether_multi 1 0K 0K 78643K 84 0 mrt 2 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 211 943K 943K 78643K 211 0 exec 0 0K 2K 78643K 3957 0 tdb 3 0K 0K 78643K 3 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 372 97K 110K 78643K 94178 0 UVM aobj 131 4K 4K 78643K 137 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 448 0 NDP 11 0K 2K 78643K 72 0 temp 124 4730K 4858K 78643K 38972 0 kqueue 12 18K 30K 78643K 1202 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 plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 1041 0 1038 14 13 1 3 0 8 0 rtentry 112 313 0 183 4 0 4 4 0 8 0 unpcb 136 10952 0 10933 94 93 1 9 0 8 0 syncache 296 181 0 181 29 28 1 1 0 8 1 tcpqe 32 462 0 462 13 12 1 1 0 8 1 tcpcb 736 15595 0 15573 242 232 10 19 0 8 7 arp 120 53 0 33 1 0 1 1 0 8 0 ipq 40 19 0 18 8 7 1 1 0 8 0 ipqe 40 308 0 307 8 7 1 1 0 8 0 inpcb 312 22083 0 22058 171 159 12 15 0 8 8 ip6q 72 51 0 51 5 5 0 1 0 8 0 ip6af 40 95 0 95 5 5 0 1 0 8 0 nd6 48 100 0 59 1 0 1 1 0 8 0 kcovpl 48 23 0 15 1 0 1 1 0 8 0 rttmrq 48 4 0 0 1 0 1 1 0 8 0 rttmr 72 3 0 2 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1352 0 768 40 3 37 38 0 8 0 art_table 32 1353 0 768 5 0 5 5 0 8 0 art_node 16 312 0 192 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 4 1 0 1 1 0 8 0 semapl 112 4254 0 4244 1 0 1 1 0 8 0 shmpl 112 134 0 6 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 23185 0 21737 91 0 91 91 0 8 0 ffsino 272 23185 0 21737 97 0 97 97 0 8 0 nchpl 144 43422 0 41783 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 152536 0 152535 3 2 1 2 0 8 0 percpumem 16 55 0 15 1 0 1 1 0 8 0 kstatmem 264 52 0 30 2 0 2 2 0 8 0 scxspl 216 125443 0 125443 45 44 1 8 0 8 1 plimitpl 152 3439 0 3416 12 11 1 2 0 8 0 sigapl 424 15619 0 15569 7 0 7 7 0 8 0 futexpl 64 139959 0 139953 3 2 1 1 0 8 0 knotepl 120 698 0 0 10 0 10 10 0 8 0 kqueuepl 216 5499 0 5488 102 101 1 8 0 8 0 pipepl 336 3442 0 3413 84 76 8 13 0 8 5 fdescpl 496 15604 0 15569 6 0 6 6 0 8 0 filepl 152 112192 0 111940 183 168 15 21 0 8 5 lockfpl 104 2177 0 2175 2 1 1 2 0 8 0 lockfspl 48 630 0 628 1 0 1 1 0 8 0 sessionpl 144 38 0 22 1 0 1 1 0 8 0 pgrppl 48 1509 0 1493 1 0 1 1 0 8 0 ucredpl 96 23800 0 23782 1 0 1 1 0 8 0 zombiepl 144 15569 0 15569 1 0 1 1 0 8 1 processpl 1064 15619 0 15569 4 0 4 4 0 8 0 procpl 672 46157 0 46083 16 9 7 8 0 8 0 sosppl 168 244 0 244 21 20 1 1 0 8 1 sockpl 480 34494 0 34455 584 572 12 32 0 8 7 mcl64k 65536 33 0 0 3 0 3 3 0 8 0 mcl16k 16384 33 0 0 5 2 3 3 0 8 0 mcl12k 12288 55 0 0 2 0 2 2 0 8 0 mcl9k 9216 33 0 0 2 0 2 2 0 8 0 mcl8k 8192 49 0 0 3 0 3 3 0 8 0 mcl4k 4096 49 0 0 3 0 3 3 0 8 0 mcl2k2 2112 21 0 0 2 0 2 2 0 8 0 mcl2k 2048 333 0 0 26 5 21 26 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 5162 0 0 319 0 319 319 0 8 0 bufpl 288 30541 0 24210 453 0 453 453 0 8 0 anonpl 24 3201964 0 3188043 216 108 108 116 0 186 0 amapchunkpl 152 293059 0 292413 121 94 27 41 0 158 0 amappl16 200 50126 0 49711 253 230 23 40 0 8 0 amappl15 192 823 0 819 1 0 1 1 0 8 0 amappl14 184 2214 0 2209 1 0 1 1 0 8 0 amappl13 176 5609 0 5602 1 0 1 1 0 8 0 amappl12 168 773 0 764 3 2 1 1 0 8 0 amappl11 160 286 0 270 1 0 1 1 0 8 0 amappl10 152 3881 0 3872 1 0 1 1 0 8 0 amappl9 144 1243 0 1239 1 0 1 1 0 8 0 amappl8 136 3604 0 3427 7 0 7 7 0 8 0 amappl7 128 2259 0 2247 1 0 1 1 0 8 0 amappl6 120 1037 0 1012 2 1 1 2 0 8 0 amappl5 112 17199 0 17173 1 0 1 1 0 8 0 amappl4 104 2703 0 2673 2 1 1 2 0 8 0 amappl3 96 49462 0 49400 2 0 2 2 0 8 0 amappl2 88 22259 0 22181 4 2 2 3 0 8 0 amappl1 80 373388 0 372662 30 13 17 19 0 8 0 amappl 88 92684 0 92489 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 72 136 0 6 3 0 3 3 0 8 0 uaddrrnd 24 15604 0 15569 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 15604 0 15569 1 0 1 1 0 8 0 vmmpekpl 168 128914 0 128866 3 0 3 3 0 8 0 vmmpepl 168 1547118 0 1544187 298 162 136 146 0 357 1 vmsppl 368 15603 0 15569 5 1 4 5 0 8 0 rwobjpl 56 389205 0 381597 120 9 111 111 0 8 0 pdppl 4096 31215 0 31138 444 363 81 97 0 8 4 pvpl 32 6128004 0 6108504 474 295 179 239 0 265 0 pmappl 248 15603 0 15569 3 0 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1996 0 845 34 0 34 34 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff829c3ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x28 sys/arch/amd64/amd64/bus_space.c:639 comcnputc(800,20) at comcnputc+0x97 sys/dev/ic/com.c:1259 cnputc(20) at cnputc+0x4b sys/dev/cons.c:239 db_putchar(2d) at db_putchar+0x316 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(2d) at db_putchar+0x316 sys/ddb/db_output.c:153 kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1068 db_printf(ffffffff8264bfda) at db_printf+0x85 sys/kern/subr_prf.c:502 fault(ffffffff825fcf04) at fault+0x95 sys/arch/amd64/amd64/trap.c:154 kpageflttrap(ffff80002e3dc0c0,8) at kpageflttrap+0x25a sys/arch/amd64/amd64/trap.c:275 kerntrap(ffff80002e3dc0c0) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b fifo_write(ffff80002e3dc1c0) at fifo_write+0x4e sys/miscfs/fifofs/fifo_vnops.c:271 end trace frame: 0xffff80002e3dc230, count: 0 ddb{0}> trace x86_ipi_db(ffffffff829c3ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x28 sys/arch/amd64/amd64/bus_space.c:639 comcnputc(800,20) at comcnputc+0x97 sys/dev/ic/com.c:1259 cnputc(20) at cnputc+0x4b sys/dev/cons.c:239 db_putchar(2d) at db_putchar+0x316 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(2d) at db_putchar+0x316 sys/ddb/db_output.c:153 kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1068 db_printf(ffffffff8264bfda) at db_printf+0x85 sys/kern/subr_prf.c:502 fault(ffffffff825fcf04) at fault+0x95 sys/arch/amd64/amd64/trap.c:154 kpageflttrap(ffff80002e3dc0c0,8) at kpageflttrap+0x25a sys/arch/amd64/amd64/trap.c:275 kerntrap(ffff80002e3dc0c0) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b fifo_write(ffff80002e3dc1c0) at fifo_write+0x4e sys/miscfs/fifofs/fifo_vnops.c:271 VOP_WRITE(fffffd807075fea8,ffff80002e3dc258,8,fffffd807f7d74e0) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807075fea8,ffff800021157000,78,0,1,f5b5f192e61e37b9,ffff80002e3dc380,fffffd807075fea8,78) at vn_rdwr+0xe9 sys/kern/vfs_vnops.c:330 ufs_symlink(ffff80002e3dc380) at ufs_symlink+0x142 sys/ufs/ufs/ufs_vnops.c:1398 VOP_SYMLINK(fffffd8066b99478,ffff80002e3dc500,ffff80002e3dc530,ffff80002e3dc430,ffff800021157000) at VOP_SYMLINK+0xd0 sys/kern/vfs_vops.c:442 dosymlinkat(ffff800021193a48,200000c0,3,20d06ff8) at dosymlinkat+0x154 sys/kern/vfs_syscalls.c:1804 syscall(ffff80002e3dc6b0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3dc6b0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcaecd8a1a00, count: -21 ddb{0}> machine ddbcpu 1 Stopped at alltraps_kern_meltdown+0xa6: movl %ebx,%gs:0x538 alltraps_kern_meltdown() at alltraps_kern_meltdown+0xa6 copyout() at copyout+0x53 pipe_read(fffffd806c46f9a0,ffff800029724a38,0) at pipe_read+0x150 sys/kern/sys_pipe.c:414 dofilereadv(ffff800021192fc8,f9,ffff800029724a38,0,ffff800029724b30) at dofilereadv+0x19e sys/kern/sys_generic.c:253 sys_read(ffff800021192fc8,ffff800029724ad0,ffff800029724b30) at sys_read+0x83 sys/kern/sys_generic.c:173 syscall(ffff800029724ba0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800029724ba0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdaf80, count: 8 ddb{1}> trace alltraps_kern_meltdown() at alltraps_kern_meltdown+0xa6 copyout() at copyout+0x53 pipe_read(fffffd806c46f9a0,ffff800029724a38,0) at pipe_read+0x150 sys/kern/sys_pipe.c:414 dofilereadv(ffff800021192fc8,f9,ffff800029724a38,0,ffff800029724b30) at dofilereadv+0x19e sys/kern/sys_generic.c:253 sys_read(ffff800021192fc8,ffff800029724ad0,ffff800029724b30) at sys_read+0x83 sys/kern/sys_generic.c:173 syscall(ffff800029724ba0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800029724ba0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdaf80, count: -7