*cpu1: uvm_fault(0xfffffd80679d16e8, 0x8, 0, 1) -> e ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7486fd608680, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff8000371c7730 rbx 0 rdx 0 rcx 0xffff800031d80cd0 rax 0x2a r8 0xffff8000371c7660 r9 0 r10 0xd6ad045a7ea8dc9c r11 0x582ca098e42e631f r12 0 r13 0 r14 0 r15 0 rip 0xffffffff824d64c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff8000371c76b0 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x680 ddb{0}> show proc PROC (syz-executor) tid=170184 pid=47248 tcnt=1 stat=onproc flags process=0 proc=0 runpri=50, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800031d816f0,0xffff800031d907d8 process=0xffff8000371b9240 user=0xffff8000371c2000, vmspace=0xfffffd80679d1378 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 2196 408512 0 0 2 0x14200 acct *47248 170184 42324 0 7 0 syz-executor 46191 451776 74657 0 2 0 syz-executor 46191 211921 74657 0 3 0x4000000 biowait syz-executor 19828 318103 71611 0 2 0 syz-executor 19828 373797 71611 0 3 0x4000080 fsleep syz-executor 99320 450544 41000 0 2 0 syz-executor 99320 255501 41000 0 3 0x4000000 biowait syz-executor 68488 407838 74267 0 2 0 syz-executor 68488 23438 74267 0 7 0x4000001 syz-executor 68488 366171 74267 0 3 0x4000080 fsleep syz-executor 60588 351085 0 0 3 0x14200 bored sosplice 42324 380178 28361 0 3 0x82 nanoslp syz-executor 3690 213835 28361 0 3 0x82 nanoslp syz-executor 68425 430952 28361 0 3 0x82 nanoslp syz-executor 20770 264728 28361 0 3 0x82 nanoslp syz-executor 74657 476421 28361 0 3 0x82 nanoslp syz-executor 71611 519745 28361 0 3 0x82 nanoslp syz-executor 41000 252249 28361 0 3 0x82 nanoslp syz-executor 74267 198933 28361 0 3 0x82 nanoslp syz-executor 28361 195371 72746 0 3 0x82 kqread syz-executor 72746 144012 6722 0 3 0x10008a sigsusp ksh 6722 321378 65384 0 3 0x98 kqread sshd-session 65384 159280 87311 0 3 0x92 kqread sshd-session 63932 192543 1 0 3 0x100083 ttyin getty 87311 441281 1 0 3 0x88 kqread sshd 18555 119944 23207 74 3 0x1100092 bpf pflogd 23207 424654 1 0 3 0x80 sbwait pflogd 35559 88596 4666 73 3 0x1100090 kqread syslogd 4666 356647 1 0 3 0x100082 sbwait syslogd 58832 435336 1 0 3 0x100080 kqread resolvd 70098 208099 81119 77 3 0x100092 kqread dhcpleased 23704 357902 81119 77 3 0x100092 kqread dhcpleased 81119 102004 1 0 3 0x80 kqread dhcpleased 84391 330001 0 0 3 0x14200 pause smr 32398 172113 0 0 2 0x14200 zerothread 74821 162995 0 0 3 0x14200 aiodoned aiodoned 35960 72146 0 0 3 0x14200 syncer update 19497 140016 0 0 3 0x14200 cleaner cleaner 63411 154082 0 0 3 0x14200 reaper reaper 18311 474020 0 0 3 0x14200 pgdaemon pagedaemon 98587 317385 0 0 3 0x14200 bored viomb 60013 401632 0 0 3 0x40014200 acpi0 acpi0 39765 509445 0 0 3 0x40014200 idle1 40502 252305 0 0 3 0x14200 bored softnet3 27028 75968 0 0 3 0x14200 bored softnet2 3071 492635 0 0 3 0x14200 bored softnet1 62206 118736 0 0 2 0x14200 softnet0 74709 78209 0 0 3 0x14200 bored systqmp 56811 491095 0 0 3 0x14200 bored systq 12334 133985 0 0 3 0x14200 tmoslp softclockmp 15390 99230 0 0 3 0x40014200 tmoslp softclock 63937 319347 0 0 3 0x40014200 idle0 1 86231 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806794cea8) #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 pmap_enter+0x246 rcr3 machine/cpufunc.h:139 [inline] #3 pmap_enter+0x246 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:432 [inline] #3 pmap_enter+0x246 sys/arch/amd64/amd64/pmap.c:2791 #4 uvm_fault_lower+0xa2d sys/uvm/uvm_fault.c:1518 #5 uvm_fault+0x301 sys/uvm/uvm_fault.c:637 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 47248 (syz-executor) thread 0xffff800031d80cd0 (170184) exclusive rwlock uobjlk r = 0 (0xfffffd807e20f978) #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 uvm_fault_lower_lookup+0x54 sys/uvm/uvm_fault.c:1126 #3 uvm_fault_lower+0x74 sys/uvm/uvm_fault.c:1227 #4 uvm_fault+0x301 sys/uvm/uvm_fault.c:637 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd80679d1468) #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 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806794cea8) #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 pmap_enter+0x246 rcr3 machine/cpufunc.h:139 [inline] #3 pmap_enter+0x246 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:432 [inline] #3 pmap_enter+0x246 sys/arch/amd64/amd64/pmap.c:2791 #4 uvm_fault_lower+0xa2d sys/uvm/uvm_fault.c:1518 #5 uvm_fault+0x301 sys/uvm/uvm_fault.c:637 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 46191 (syz-executor) thread 0xffff800031d90f60 (211921) exclusive rrwlock inode r = 0 (0xfffffd806dd9e5f8) #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 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:120 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80655ca700) #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 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 99320 (syz-executor) thread 0xffff800031d802b0 (255501) exclusive rrwlock inode r = 0 (0xfffffd80655ca3d0) #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 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:120 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e3613d8) #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 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 68488 (syz-executor) thread 0xffff800031d811e0 (23438) exclusive rrwlock inode r = 0 (0xfffffd806de6c5f8) #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 ktrwriteraw+0x172 sys/kern/kern_ktrace.c:679 #7 ktrgenio+0x2c3 ktrwrite2 sys/kern/kern_ktrace.c:644 [inline] #7 ktrgenio+0x2c3 sys/kern/kern_ktrace.c:258 #8 dofilewritev+0x4f3 sys/kern/sys_generic.c:401 #9 sys_write+0xa2 sys/kern/sys_generic.c:300 #10 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835d3e38) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 ktrgenio+0x238 sys/kern/kern_ktrace.c:258 #2 dofilewritev+0x4f3 sys/kern/sys_generic.c:401 #3 sys_write+0xa2 sys/kern/sys_generic.c:300 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10207 10155K 10368K 166960K 11619 0 pcb 17 12K 12K 166960K 61 0 rtable 221 6K 7K 166960K 389 0 pf 34 17K 18K 166960K 50 0 ifaddr 43 7K 7K 166960K 48 0 ifgroup 55 2K 2K 166960K 61 0 counters 64 36K 36K 166960K 68 0 ioctlops 0 0K 4K 166960K 1518 0 iov 0 0K 26K 166960K 33 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1427 90K 90K 166960K 1615 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 7K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 18 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 97K 166960K 358 0 sigio 0 0K 0K 166960K 10 0 proc 70 91K 128K 166960K 553 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 91 0 in_multi 99 7K 7K 166960K 107 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 461 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 232 73K 86K 166960K 4884 0 UVM aobj 12 2K 2K 166960K 16 0 pinsyscall 43 86K 106K 166960K 1437 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 10 0 NDP 12 0K 1K 166960K 30 0 temp 49 6816K 6882K 166960K 14652 0 kqueue 13 20K 26K 166960K 55 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 52 0 49 1 0 1 1 0 8 0 rtentry 112 122 0 20 4 0 4 4 0 8 0 unpcb 144 305 0 288 6 0 6 6 0 8 5 syncache 336 3 0 3 2 1 1 1 0 8 1 tcpcb 808 72 0 68 2 0 2 2 0 8 1 arp 120 21 0 3 1 0 1 1 0 8 0 inpcb 336 359 0 350 8 0 8 8 0 8 6 nd6 136 27 0 0 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 1 0 1 1 0 1 1 0 8 1 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 2 0 0 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfstitem 24 23 0 0 1 0 1 1 0 8 0 pfstkey 128 23 0 0 1 0 1 1 0 8 0 pfstate 376 23 0 0 3 0 3 3 0 8 0 pfrule 1344 22 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 498 0 46 29 0 29 29 0 8 0 art_table 32 499 0 46 4 0 4 4 0 8 0 art_node 16 121 0 30 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 14 0 4 1 0 1 1 0 8 0 shmpl 112 13 0 4 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1997 0 491 95 0 95 95 0 8 0 ffsino 272 1997 0 491 101 0 101 101 0 8 0 nchpl 144 2504 0 813 63 0 63 63 0 8 0 uvmvnodes 80 2264 0 0 47 0 47 47 0 8 0 vnodes 216 2264 0 0 126 0 126 126 0 8 0 namei 1024 8595 0 8593 3 1 2 2 0 8 1 percpumem 16 48 0 2 1 0 1 1 0 8 0 kstatmem 264 28 0 4 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 7300 0 7298 3 2 1 2 1 8 0 plimitpl 152 62 0 44 1 0 1 1 0 8 0 sigapl 424 661 0 609 8 1 7 7 0 8 0 futexpl 64 3639 0 3637 1 0 1 1 0 8 0 knotepl 120 315 0 0 10 0 10 10 0 8 0 kqueuepl 216 84 0 74 1 0 1 1 0 8 0 pipepl 320 144 0 116 4 0 4 4 0 8 1 fdescpl 496 641 0 609 6 0 6 6 0 8 1 filepl 152 3411 0 3161 15 0 15 15 0 8 4 lockfpl 104 221 0 219 2 0 2 2 0 8 1 lockfspl 48 45 0 43 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 33 0 16 1 0 1 1 0 8 0 ucredpl 104 361 0 348 1 0 1 1 0 8 0 zombiepl 144 612 0 609 1 0 1 1 0 8 0 processpl 1160 661 0 609 5 0 5 5 0 8 1 procpl 648 1061 0 1004 7 1 6 6 0 8 0 sosppl 168 2 0 2 1 0 1 1 0 8 1 sockpl 664 721 0 693 14 3 11 14 0 8 8 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 232 0 0 29 0 29 29 0 8 0 mtagpl 96 40 0 0 1 0 1 1 0 8 0 mbufpl 256 314 0 0 19 0 19 19 0 8 0 bufpl 280 2672 0 98 184 0 184 184 0 8 0 anonpl 24 174116 0 170629 37 2 35 35 0 185 12 amapchunkpl 152 16312 0 15825 28 0 28 28 0 158 8 amappl16 200 4524 0 4497 5 3 2 5 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 136 0 124 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 1288 0 1257 4 1 3 3 0 8 1 amappl11 160 66 0 52 1 0 1 1 0 8 0 amappl10 152 37 0 37 1 1 0 1 0 8 0 amappl9 144 177 0 177 1 1 0 1 0 8 0 amappl8 136 19 0 16 1 0 1 1 0 8 0 amappl7 128 104 0 91 1 0 1 1 0 8 0 amappl6 120 170 0 169 1 0 1 1 0 8 0 amappl5 112 151 0 139 1 0 1 1 0 8 0 amappl4 104 323 0 301 1 0 1 1 0 8 0 amappl3 96 2832 0 2736 3 0 3 3 0 8 0 amappl2 88 843 0 764 2 0 2 2 0 8 0 amappl1 80 8409 0 7833 15 0 15 15 0 8 2 amappl 88 4500 0 4330 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 71 0 71 2 1 1 1 0 8 1 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 15 0 4 1 0 1 1 0 8 0 uaddrrnd 24 641 0 609 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 641 0 609 1 0 1 1 0 8 0 vmmpekpl 168 7160 0 7127 2 0 2 2 0 8 0 vmmpepl 168 47580 0 45664 86 0 86 86 0 357 1 vmsppl 440 640 0 609 6 1 5 5 0 8 1 rwobjpl 56 19702 0 16497 46 0 46 46 0 8 0 pdppl 4096 1289 0 1218 101 30 71 87 0 8 0 pvpl 32 13074 0 0 108 2 106 106 0 265 0 pmappl 248 640 0 609 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 401 0 34 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7486fd608680, 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_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:666 acpitimer_delay(1) at acpitimer_delay+0x77 acpitimer_read sys/dev/acpi/acpitimer.c:142 [inline] acpitimer_delay(1) at acpitimer_delay+0x77 sys/dev/acpi/acpitimer.c:120 comcnputc(800,a) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(a) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(a) at db_putchar+0x774 sys/ddb/db_output.c:168 kprintf() at kprintf+0x843 db_printf(ffffffff8309012f) at db_printf+0x9b fault(ffffffff8303d271) at fault+0xa7 sys/arch/amd64/amd64/trap.c:157 kpageflttrap(ffff8000372093e0,8) at kpageflttrap+0x385 sys/arch/amd64/amd64/trap.c:290 kerntrap(ffff8000372093e0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b end trace frame: 0xffff8000372094c0, 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_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:666 acpitimer_delay(1) at acpitimer_delay+0x77 acpitimer_read sys/dev/acpi/acpitimer.c:142 [inline] acpitimer_delay(1) at acpitimer_delay+0x77 sys/dev/acpi/acpitimer.c:120 comcnputc(800,a) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(a) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(a) at db_putchar+0x774 sys/ddb/db_output.c:168 kprintf() at kprintf+0x843 db_printf(ffffffff8309012f) at db_printf+0x9b fault(ffffffff8303d271) at fault+0xa7 sys/arch/amd64/amd64/trap.c:157 kpageflttrap(ffff8000372093e0,8) at kpageflttrap+0x385 sys/arch/amd64/amd64/trap.c:290 kerntrap(ffff8000372093e0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b fifo_write(ffff8000372094d0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd806bdf78b0,ffff800037209588,3,fffffd807f7d33a8) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff800031d811e0,fffffd806bdf78b0,fffffd807f7d33a8,ffff800037209658,ffff800037209630) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrgenio(ffff800031d811e0,c8,1,ffff800000a44590,76) at ktrgenio+0x2c3 ktrwrite2 sys/kern/kern_ktrace.c:644 [inline] ktrgenio(ffff800031d811e0,c8,1,ffff800000a44590,76) at ktrgenio+0x2c3 sys/kern/kern_ktrace.c:258 dofilewritev(ffff800031d811e0,c8,ffff8000372097d8,0,ffff800037209890) at dofilewritev+0x4f3 sys/kern/sys_generic.c:401 sys_write(ffff800031d811e0,ffff800037209940,ffff800037209890) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff800037209940) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037209940) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1e031c66260, count: -22