*cpu1: uvm_fault(0xfffffd806772e188, 0x8, 0, 1) -> e ddb{0}> trace proc_trampoline() at proc_trampoline+0xd6 end of kernel end trace frame: 0x7f7ffffc3f60, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002b462fa0 rbx 0 rdx 0 rcx 0 rax 0x2a r8 0xffff80002b462ed0 r9 0 r10 0x62d8a47738ace5b9 r11 0x9db742c70183efb4 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff81a294e6 proc_trampoline+0xd6 cs 0x8 rflags 0x246 rsp 0xffff80002b462f20 ss 0 proc_trampoline+0xd6: movl $0,%gs:0x540 ddb{0}> show proc PROC (syz-executor.6) pid=99310 stat=onproc flags process=10 proc=0 pri=56, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800023186d30,0xffff8000231862c0 process=0xffff800023188440 user=0xffff80002b45d000, vmspace=0xfffffd8072c82e70 estcpu=36, cpticks=1, pctcpu=0.1 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 9134 357056 72753 32767 2 0x10 syz-executor.6 5195 39421 73124 32767 2 0x10 syz-executor.5 5195 363288 73124 32767 7 0x4000010 syz-executor.5 52847 83278 18910 32767 2 0x10 syz-executor.2 52847 246072 18910 32767 3 0x4000090 fsleep syz-executor.2 52847 101990 18910 32767 2 0x4000010 syz-executor.2 71423 6541 52189 32767 2 0x4081010 syz-executor.3 71423 228608 52189 32767 3 0x4003010 suspend syz-executor.3 88472 468545 65306 32767 2 0x10 syz-executor.1 88472 292821 65306 32767 3 0x4000090 fsleep syz-executor.1 88472 328000 65306 32767 3 0x4000090 fsleep syz-executor.1 76198 465393 72422 32767 3 0x90 nanoslp syz-executor.4 76198 342791 72422 32767 3 0x4000090 fsleep syz-executor.4 76198 491805 72422 32767 3 0x4000090 fsleep syz-executor.4 13086 223624 0 0 3 0x14200 bored sosplice 29392 391648 48292 32767 2 0x10 syz-executor.7 52189 373400 93388 32767 3 0x90 nanoslp syz-executor.3 *72753 99310 76104 32767 7 0x10 syz-executor.6 48292 412997 43641 0 3 0x82 wait syz-executor.7 72422 331446 67179 32767 3 0x90 nanoslp syz-executor.4 76104 118553 43641 0 3 0x82 wait syz-executor.6 65306 1201 40716 32767 3 0x90 nanoslp syz-executor.1 93388 334488 43641 0 3 0x82 wait syz-executor.3 18910 103305 23452 32767 3 0x90 nanoslp syz-executor.2 73124 147870 62468 32767 3 0x90 nanoslp syz-executor.5 23452 26990 43641 0 3 0x82 wait syz-executor.2 62468 225462 43641 0 3 0x82 wait syz-executor.5 67179 206540 43641 0 3 0x82 wait syz-executor.4 40716 198649 43641 0 3 0x82 wait syz-executor.1 26792 268335 46193 32767 2 0x10 syz-executor.0 46193 89647 43641 0 3 0x82 wait syz-executor.0 43641 208031 4596 0 3 0x82 wait syz-fuzzer 43641 13115 4596 0 3 0x4000082 thrsleep syz-fuzzer 43641 259887 4596 0 3 0x4000082 wait syz-fuzzer 43641 285058 4596 0 3 0x4000082 wait syz-fuzzer 43641 473277 4596 0 3 0x4000082 wait syz-fuzzer 43641 289277 4596 0 3 0x4000082 thrsleep syz-fuzzer 43641 136261 4596 0 3 0x4000082 kqread syz-fuzzer 43641 161331 4596 0 3 0x4000082 thrsleep syz-fuzzer 43641 214040 4596 0 3 0x4000082 thrsleep syz-fuzzer 43641 147042 4596 0 3 0x4000082 wait syz-fuzzer 43641 348648 4596 0 3 0x4000082 wait syz-fuzzer 43641 450733 4596 0 3 0x4000082 wait syz-fuzzer 43641 395015 4596 0 3 0x4000082 wait syz-fuzzer 43641 104167 4596 0 3 0x4000082 thrsleep syz-fuzzer 43641 477776 4596 0 3 0x4000082 thrsleep syz-fuzzer 43641 169673 4596 0 3 0x4000082 thrsleep syz-fuzzer 4596 155951 32259 0 3 0x10008a sigsusp ksh 32259 156274 80735 0 3 0x9a kqread sshd 48017 517546 1 0 3 0x100083 ttyin getty 80735 449681 1 0 3 0x88 kqread sshd 46683 433678 71477 73 3 0x1100090 kqread syslogd 71477 182338 1 0 3 0x100082 netio syslogd 91065 38045 1 0 3 0x100080 kqread resolvd 9867 81132 46454 77 3 0x100092 kqread dhcpleased 14357 267672 46454 77 3 0x100092 kqread dhcpleased 46454 468001 1 0 3 0x80 kqread dhcpleased 97593 239244 0 0 3 0x14200 bored smr 9893 388627 0 0 2 0x14200 zerothread 60330 109751 0 0 3 0x14200 aiodoned aiodoned 92656 224320 0 0 3 0x14200 syncer update 19530 334014 0 0 3 0x14200 cleaner cleaner 52727 310749 0 0 3 0x14200 reaper reaper 96562 397525 0 0 3 0x14200 pgdaemon pagedaemon 36886 42124 0 0 3 0x14200 bored viomb 33641 16554 0 0 3 0x40014200 acpi0 acpi0 47328 37529 0 0 3 0x40014200 idle1 4839 341670 0 0 3 0x14200 bored softnet 50718 134561 0 0 3 0x14200 bored softnet 97466 456478 0 0 3 0x14200 bored softnet 87733 204374 0 0 3 0x14200 bored softnet 25094 469454 0 0 3 0x14200 bored systqmp 24333 234987 0 0 3 0x14200 bored systq 99576 289337 0 0 3 0x40014200 bored softclock 64937 156941 0 0 3 0x40014200 idle0 1 270194 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex amappl r = 0 (0xffffffff82b74ff8) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbd sys/kern/subr_pool.c:579 #4 amap_alloc1+0x151 #5 amap_copy+0x1cd sys/uvm/uvm_amap.c:617 #6 uvm_fault_check+0x6d7 uvmfault_amapcopy sys/uvm/uvm_fault.c:250 [inline] #6 uvm_fault_check+0x6d7 sys/uvm/uvm_fault.c:711 #7 uvm_fault+0xf2 sys/uvm/uvm_fault.c:601 #8 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #9 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 #10 recall_trap+0x8 Process 5195 (syz-executor.5) thread 0xffff800023186550 (363288) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82b71d88) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3bb sys/kern/sched_bsd.c:415 #3 sleep_finish+0x180 sys/kern/kern_synch.c:417 #4 tsleep+0x12c sys/kern/kern_synch.c:155 #5 biowait+0x91 sys/kern/vfs_bio.c:1268 #6 bwrite+0x21b sys/kern/vfs_bio.c:769 #7 VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640 #8 ufs_direnter+0x8fa sys/ufs/ufs/ufs_lookup.c:909 #9 ufs_makeinode+0x4cc sys/ufs/ufs/ufs_vnops.c:1856 #10 ufs_symlink+0x47 sys/ufs/ufs/ufs_vnops.c:1370 #11 VOP_SYMLINK+0xd0 sys/kern/vfs_vops.c:426 #12 dosymlinkat+0x154 sys/kern/vfs_syscalls.c:1802 #13 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #13 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806caaf3d8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x1fc sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1324 #8 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #9 ufs_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1818 #10 ufs_symlink+0x47 sys/ufs/ufs/ufs_vnops.c:1370 #11 VOP_SYMLINK+0xd0 sys/kern/vfs_vops.c:426 #12 dosymlinkat+0x154 sys/kern/vfs_syscalls.c:1802 #13 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #13 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 Process 29392 (syz-executor.7) thread 0xffff800023187cf0 (391648) exclusive rrwlock inode r = 0 (0xfffffd806caafc58) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x1fc sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1324 #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:560 #11 namei+0x36a sys/kern/vfs_lookup.c:244 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #13 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #13 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80680f83d0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412 #6 namei+0x36a sys/kern/vfs_lookup.c:244 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 72753 (syz-executor.6) thread 0xffff800023186a90 (99310) exclusive rwlock vmmaplk r = 0 (0xfffffd8072c82e88) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5209 #3 uvmfault_lookup+0xb9 sys/uvm/uvm_fault.c:1765 #4 uvm_fault_check+0x660 uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #4 uvm_fault_check+0x660 sys/uvm/uvm_fault.c:711 #5 uvm_fault+0xf2 sys/uvm/uvm_fault.c:601 #6 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #7 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 #8 recall_trap+0x8 exclusive mutex amappl r = 0 (0xffffffff82b74ff8) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbd sys/kern/subr_pool.c:579 #4 amap_alloc1+0x151 #5 amap_copy+0x1cd sys/uvm/uvm_amap.c:617 #6 uvm_fault_check+0x6d7 uvmfault_amapcopy sys/uvm/uvm_fault.c:250 [inline] #6 uvm_fault_check+0x6d7 sys/uvm/uvm_fault.c:711 #7 uvm_fault+0xf2 sys/uvm/uvm_fault.c:601 #8 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #9 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 #10 recall_trap+0x8 Process 26792 (syz-executor.0) thread 0xffff8000ffff4000 (268335) exclusive rrwlock inode r = 0 (0xfffffd806caafd68) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x1fc sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1324 #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:560 #11 namei+0x36a sys/kern/vfs_lookup.c:244 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #13 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #13 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80087b92b8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412 #6 namei+0x36a sys/kern/vfs_lookup.c:244 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10179 6408K 6419K 78643K 11269 0 pcb 13 10K 12K 78643K 15 0 rtable 236 6K 6K 78643K 351 0 ifaddr 82 16K 16K 78643K 84 0 counters 56 35K 35K 78643K 56 0 ioctlops 0 0K 2K 78643K 33 0 iov 0 0K 12K 78643K 216 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1270 79K 79K 78643K 1301 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 9 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 227 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 24 89K 117K 78643K 679 0 sigio 0 0K 0K 78643K 70 0 proc 56 78K 115K 78643K 496 0 subproc 104 6K 6K 78643K 104 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 38 0 in_multi 99 6K 6K 78643K 108 0 ether_multi 1 0K 0K 78643K 4 0 mrt 1 0K 0K 78643K 1 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 2K 78643K 627 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 8 62K 62K 78643K 8 0 UVM amap 279 85K 94K 78643K 5555 0 UVM aobj 16 2K 2K 78643K 16 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 18 0 NDP 11 0K 2K 78643K 27 0 temp 118 4720K 4784K 78643K 4586 0 kqueue 15 20K 28K 78643K 100 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> 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 45 0 42 1 0 1 1 0 8 0 rtentry 112 112 0 1 4 0 4 4 0 8 0 unpcb 144 540 0 525 6 0 6 6 0 8 5 syncache 296 8 0 8 3 2 1 1 0 8 1 tcpqe 32 183 0 183 1 1 0 1 0 8 0 tcpcb 768 121 0 109 4 1 3 3 0 8 1 arp 120 18 0 0 1 0 1 1 0 8 0 ipq 40 4 0 4 1 0 1 1 0 8 1 ipqe 40 8 0 8 1 0 1 1 0 8 1 inpcb 320 919 0 905 15 5 10 15 0 8 8 nd6 48 25 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 455 0 0 29 0 29 29 0 8 0 art_table 32 456 0 0 4 0 4 4 0 8 0 art_node 16 111 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 2 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 224 0 214 1 0 1 1 0 8 0 shmpl 112 13 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2092 0 661 90 0 90 90 0 8 0 ffsino 272 2092 0 661 96 0 96 96 0 8 0 nchpl 144 3026 0 1353 63 0 63 63 0 8 0 uvmvnodes 80 2205 0 0 45 0 45 45 0 8 0 vnodes 216 2205 0 0 123 0 123 123 0 8 0 namei 1024 10288 0 10287 2 1 1 2 0 8 0 percpumem 16 40 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 9076 0 9076 7 1 6 6 0 8 6 plimitpl 152 289 0 267 1 0 1 1 0 8 0 sigapl 424 954 0 901 7 0 7 7 0 8 0 futexpl 64 4544 0 4539 1 0 1 1 0 8 0 knotepl 120 116 0 0 4 0 4 4 0 8 0 kqueuepl 216 225 0 215 7 2 5 5 0 8 4 pipepl 320 174 0 146 4 1 3 4 0 8 0 fdescpl 496 936 0 901 7 2 5 6 0 8 0 filepl 152 5264 0 5020 16 0 16 16 0 8 6 lockfpl 104 46 0 44 1 0 1 1 0 8 0 lockfspl 48 22 0 20 1 0 1 1 0 8 0 sessionpl 144 23 0 7 1 0 1 1 0 8 0 pgrppl 48 23 0 7 1 0 1 1 0 8 0 ucredpl 104 460 0 442 1 0 1 1 0 8 0 zombiepl 144 902 0 901 1 0 1 1 0 8 0 processpl 1064 954 0 901 5 1 4 5 0 8 0 procpl 672 2019 0 1942 8 0 8 8 0 8 1 sosppl 168 4 0 3 1 0 1 1 0 8 0 sockpl 488 1547 0 1515 25 13 12 25 0 8 7 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 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 11 0 0 2 0 2 2 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 271 0 0 33 0 33 33 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 308 0 0 19 0 19 19 0 8 0 bufpl 288 4111 0 128 285 0 285 285 0 8 0 anonpl 24 164993 0 151444 94 4 90 90 0 186 7 amapchunkpl 152 14729 0 13999 36 2 34 34 0 158 5 amappl16 200 1954 0 1582 23 1 22 22 0 8 2 amappl15 192 236 0 229 1 0 1 1 0 8 0 amappl14 184 95 0 90 1 0 1 1 0 8 0 amappl13 176 224 0 218 1 0 1 1 0 8 0 amappl12 168 152 0 145 1 0 1 1 0 8 0 amappl11 160 78 0 64 1 0 1 1 0 8 0 amappl10 152 28 0 25 1 0 1 1 0 8 0 amappl9 144 550 0 542 1 0 1 1 0 8 0 amappl8 136 655 0 584 3 0 3 3 0 8 0 amappl7 128 197 0 176 1 0 1 1 0 8 0 amappl6 120 259 0 247 2 1 1 2 0 8 0 amappl5 112 438 0 420 1 0 1 1 0 8 0 amappl4 104 883 0 854 2 0 2 2 0 8 0 amappl3 96 2439 0 2368 2 0 2 2 0 8 0 amappl2 88 644 0 601 2 0 2 2 0 8 1 amappl1 80 24640 0 23906 20 3 17 19 0 8 1 amappl 88 5095 0 4905 6 1 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 15 0 0 1 0 1 1 0 8 0 uaddrrnd 24 936 0 901 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 936 0 901 1 0 1 1 0 8 0 vmmpekpl 168 11626 0 11574 3 0 3 3 0 8 0 vmmpepl 168 92406 0 89660 127 0 127 127 0 357 2 vmsppl 368 935 0 901 4 0 4 4 0 8 0 rwobjpl 56 25950 0 22321 53 1 52 52 0 8 0 pdppl 4096 1879 0 1802 109 28 81 93 0 8 4 pvpl 32 423259 0 403722 246 14 232 246 0 265 74 pmappl 248 935 0 901 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 680 0 31 19 0 19 19 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace proc_trampoline() at proc_trampoline+0xd6 end of kernel end trace frame: 0x7f7ffffc3f60, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020dd8ff0) 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:651 comcnputc(800,20) at comcnputc+0x1a7 sys/dev/ic/com.c:1269 cnputc(20) at cnputc+0x4b sys/dev/cons.c:218 db_putchar(65) at db_putchar+0x316 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(65) at db_putchar+0x316 sys/ddb/db_output.c:153 kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1064 db_printf(ffffffff82655f91) at db_printf+0x85 sys/kern/subr_prf.c:498 fault(ffffffff8260573b) at fault+0x95 sys/arch/amd64/amd64/trap.c:154 kpageflttrap(ffff800029640720,8) at kpageflttrap+0x25a sys/arch/amd64/amd64/trap.c:275 kerntrap(ffff800029640720) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b fifo_write(ffff800029640820) at fifo_write+0x4e sys/miscfs/fifofs/fifo_vnops.c:271 end trace frame: 0xffff800029640890, count: 0 ddb{1}> trace x86_ipi_db(ffff800020dd8ff0) 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:651 comcnputc(800,20) at comcnputc+0x1a7 sys/dev/ic/com.c:1269 cnputc(20) at cnputc+0x4b sys/dev/cons.c:218 db_putchar(65) at db_putchar+0x316 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(65) at db_putchar+0x316 sys/ddb/db_output.c:153 kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1064 db_printf(ffffffff82655f91) at db_printf+0x85 sys/kern/subr_prf.c:498 fault(ffffffff8260573b) at fault+0x95 sys/arch/amd64/amd64/trap.c:154 kpageflttrap(ffff800029640720,8) at kpageflttrap+0x25a sys/arch/amd64/amd64/trap.c:275 kerntrap(ffff800029640720) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b fifo_write(ffff800029640820) at fifo_write+0x4e sys/miscfs/fifofs/fifo_vnops.c:271 VOP_WRITE(fffffd80668b9538,ffff8000296408b8,8,fffffd807f7d7000) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd80668b9538,ffff800021258c00,78,0,1,e1252cf8885b313c,ffff8000296409e0,fffffd80668b9538,78) at vn_rdwr+0xe9 sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000296409e0) at ufs_symlink+0x142 sys/ufs/ufs/ufs_vnops.c:1386 VOP_SYMLINK(fffffd80668b9460,ffff800029640b60,ffff800029640b90,ffff800029640a90,ffff800021258c00) at VOP_SYMLINK+0xd0 sys/kern/vfs_vops.c:426 dosymlinkat(ffff800023186550,200000c0,3,20d06ff8) at dosymlinkat+0x154 sys/kern/vfs_syscalls.c:1802 syscall(ffff800029640d10) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff800029640d10) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa103e305100, count: -21