*cpu1: uvm_fault(0xffffffff8355a950, 0xffff8000194e378a, 0, 2) -> d ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x6fe76eb3fd90, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff8000325bb9e0 rbx 0 rdx 0 rcx 0xffff80003258cf70 rax 0x2a r8 0xffff8000325bb910 r9 0x4 r10 0xab1310076579a312 r11 0x3ce4d4ba295205a5 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff82e9d4c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff8000325bb960 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x680 ddb{0}> show proc PROC (syz-executor) tid=70731 pid=43534 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=0xffff80003258c7d8,0xffffffff83515fb0 process=0xffff800033b87668 user=0xffff8000325b6000, vmspace=0xfffffd806cb9b540 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *43534 70731 4801 0 7 0 syz-executor 99149 27362 71407 0 2 0 syz-executor 99149 255153 71407 0 3 0x4000080 fsleep syz-executor 60161 327862 11591 0 2 0 syz-executor 60161 229752 11591 0 3 0x4000080 fsleep syz-executor 81546 50317 17816 0 2 0 syz-executor 81546 125816 17816 0 3 0x4000080 sbwait syz-executor 50650 237502 24059 0 2 0 syz-executor 50650 87960 24059 0 3 0x4000080 fsleep syz-executor 77273 291909 82490 0 3 0x80 nanoslp syz-executor 77273 464807 82490 0 3 0x4000080 lockf syz-executor 77273 85319 82490 0 3 0x4000080 fsleep syz-executor 46676 474976 59806 0 2 0x490 syz-executor 46676 471712 59806 0 3 0x4000090 ttyout syz-executor 46676 500468 59806 0 3 0x4000090 fsleep syz-executor 46676 406111 59806 0 3 0x4000090 fsleep syz-executor 82490 505530 94636 0 2 0x2 syz-executor 24059 407204 94636 0 7 0x3 syz-executor 4801 128966 94636 0 3 0x82 nanoslp syz-executor 11591 466780 94636 0 3 0x82 nanoslp syz-executor 59806 14749 94636 0 3 0x82 nanoslp syz-executor 11975 380688 94636 0 2 0x2 syz-executor 17816 382269 94636 0 2 0x482 syz-executor 71407 412601 94636 0 2 0x482 syz-executor 87230 124703 1 0 3 0x100083 ttyin getty 11441 355382 0 0 3 0x14280 nfsidl nfsio 85031 187214 0 0 3 0x14280 nfsidl nfsio 2803 370067 0 0 3 0x14280 nfsidl nfsio 3473 113442 0 0 3 0x14280 nfsidl nfsio 90021 79371 0 0 3 0x14280 nfsidl nfsio 5764 275710 0 0 3 0x14280 nfsidl nfsio 73346 216273 0 0 3 0x14280 nfsidl nfsio 66315 61408 0 0 3 0x14280 nfsidl nfsio 71968 360972 0 0 3 0x14280 nfsidl nfsio 97369 148188 0 0 3 0x14280 nfsidl nfsio 83600 482443 0 0 3 0x14280 nfsidl nfsio 34801 394150 0 0 3 0x14280 nfsidl nfsio 49885 295826 0 0 3 0x14280 nfsidl nfsio 96372 471229 0 0 3 0x14280 nfsidl nfsio 96703 64417 0 0 3 0x14280 nfsidl nfsio 91621 131486 0 0 3 0x14280 nfsidl nfsio 91974 319753 0 0 3 0x14280 nfsidl nfsio 93077 386550 0 0 3 0x14280 nfsidl nfsio 39222 51080 0 0 3 0x14280 nfsidl nfsio 64231 313054 0 0 3 0x14280 nfsidl nfsio 11311 139667 0 0 3 0x14200 bored sosplice 94636 402292 54805 0 3 0x82 kqread syz-executor 54805 195813 24358 0 3 0x10008a sigsusp ksh 24358 44926 46781 0 3 0x98 kqread sshd-session 46781 45478 33800 0 3 0x92 kqread sshd-session 33800 505661 1 0 3 0x88 kqread sshd 21977 182842 11877 74 3 0x1100092 bpf pflogd 11877 205554 1 0 3 0x80 sbwait pflogd 53768 201840 46554 73 3 0x1100090 kqread syslogd 46554 202275 1 0 3 0x100082 sbwait syslogd 801 376417 1 0 3 0x100080 kqread resolvd 920 223901 58527 77 3 0x100092 kqread dhcpleased 59582 498561 58527 77 3 0x100092 kqread dhcpleased 58527 293211 1 0 3 0x80 kqread dhcpleased 68289 426249 0 0 3 0x14200 bored smr 75031 513680 0 0 2 0x14200 zerothread 8227 29721 0 0 3 0x14200 aiodoned aiodoned 6910 8635 0 0 3 0x14200 syncer update 17343 32665 0 0 3 0x14200 cleaner cleaner 91 74464 0 0 3 0x14200 reaper reaper 52362 122923 0 0 3 0x14200 pgdaemon pagedaemon 79132 501340 0 0 3 0x14200 bored viomb 29789 106233 0 0 3 0x40014200 acpi0 acpi0 997 503956 0 0 3 0x40014200 idle1 71340 201932 0 0 3 0x14200 bored softnet3 80431 199467 0 0 3 0x14200 bored softnet2 60825 102752 0 0 3 0x14200 bored softnet1 19813 322751 0 0 3 0x14200 bored softnet0 51347 322184 0 0 3 0x14200 bored systqmp 54738 242252 0 0 3 0x14200 bored systq 44635 172533 0 0 3 0x14200 tmoslp softclockmp 32650 312515 0 0 3 0x40014200 tmoslp softclock 48595 374114 0 0 3 0x40014200 idle0 1 375176 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &(curpg)->mdpage.pv_mtx r = 0 (0xfffffd80081033d8) #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+0x50e pmap_enter_pv sys/arch/amd64/amd64/pmap.c:1089 [inline] #3 pmap_enter+0x50e sys/arch/amd64/amd64/pmap.c:2902 #4 uvm_fault_lower_lookup+0x33c sys/uvm/uvm_fault.c:1192 #5 uvm_fault_lower+0x74 sys/uvm/uvm_fault.c:1227 #6 uvm_fault+0x301 sys/uvm/uvm_fault.c:637 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806bd944f8) #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_lookup+0x33c sys/uvm/uvm_fault.c:1192 #5 uvm_fault_lower+0x74 sys/uvm/uvm_fault.c:1227 #6 uvm_fault+0x301 sys/uvm/uvm_fault.c:637 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 Process 43534 (syz-executor) thread 0xffff80003258cf70 (70731) exclusive rwlock uobjlk r = 0 (0xfffffd8077ef9130) #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 (0xfffffd806cb9b630) #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 &(curpg)->mdpage.pv_mtx r = 0 (0xfffffd80081033d8) #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+0x50e pmap_enter_pv sys/arch/amd64/amd64/pmap.c:1089 [inline] #3 pmap_enter+0x50e sys/arch/amd64/amd64/pmap.c:2902 #4 uvm_fault_lower_lookup+0x33c sys/uvm/uvm_fault.c:1192 #5 uvm_fault_lower+0x74 sys/uvm/uvm_fault.c:1227 #6 uvm_fault+0x301 sys/uvm/uvm_fault.c:637 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806bd944f8) #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_lookup+0x33c sys/uvm/uvm_fault.c:1192 #5 uvm_fault_lower+0x74 sys/uvm/uvm_fault.c:1227 #6 uvm_fault+0x301 sys/uvm/uvm_fault.c:637 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 Process 24059 (syz-executor) thread 0xffff80003258ca60 (407204) exclusive rrwlock inode r = 0 (0xfffffd807975d918) #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 ktrstruct+0x19a sys/kern/kern_ktrace.c:308 #8 sys_nanosleep+0x109 sys/kern/kern_time.c:292 #9 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #9 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83513ac8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 ktrstruct+0xe2 sys/kern/kern_ktrace.c:307 #2 sys_nanosleep+0x109 sys/kern/kern_time.c:292 #3 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #3 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10229 10119K 10499K 166960K 13170 0 pcb 17 16K 18K 166960K 461 0 rtable 200 8K 10K 166960K 3368 0 pf 40 18K 26K 166960K 264 0 ifaddr 39 7K 8K 166960K 428 0 ifgroup 60 2K 2K 166960K 411 0 sysctl 3 0K 0K 166960K 3 0 counters 66 36K 37K 166960K 250 0 ioctlops 0 0K 4K 166960K 1704 0 iov 1 0K 28K 166960K 75 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1503 94K 95K 166960K 3703 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 23 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 81 0 dirhash 15 2K 3K 166960K 36 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 18 65K 97K 166960K 2460 0 sigio 0 0K 0K 166960K 60 0 proc 72 91K 140K 166960K 2926 0 subproc 104 6K 7K 166960K 1157 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 159 0 in_multi 77 5K 7K 166960K 1254 0 ether_multi 1 0K 0K 166960K 10 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 1683 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 245 73K 92K 166960K 19645 0 UVM aobj 41 6K 6K 166960K 44 0 pinsyscall 43 86K 108K 166960K 5678 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 68 0 NDP 13 0K 1K 166960K 321 0 temp 76 6824K 6952K 166960K 66199 0 kqueue 13 20K 30K 166960K 223 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 120 302 0 299 1 0 1 1 0 8 0 rtentry 112 1267 0 1179 7 3 4 4 0 8 0 unpcb 144 1019 0 998 6 4 2 2 0 8 1 syncache 336 13 0 13 6 5 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 628 0 624 30 28 2 14 0 8 1 arp 120 191 0 175 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 3 0 3 1 1 0 1 0 8 0 inpcb 336 2161 0 2151 44 42 2 15 0 8 1 nd6 136 314 0 295 1 0 1 1 0 8 0 pkpcb 40 8 0 8 6 5 1 1 0 8 1 kcovpl 48 89 0 81 1 0 1 1 0 8 0 ppxss 1168 10 0 10 5 4 1 1 0 8 1 pfstscr 40 3 0 3 2 1 1 1 0 8 1 pffrag 232 10 0 5 3 2 1 1 0 482 0 pffrnode 88 10 0 5 3 2 1 1 0 8 0 pffrent 40 13 0 8 4 3 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pftag 88 4 0 2 1 0 1 1 0 8 0 pfstitem 24 227 0 150 1 0 1 1 0 8 0 pfstkey 128 232 0 153 3 0 3 3 0 8 0 pfstate 376 228 0 151 11 3 8 8 0 8 0 pfrule 1344 26 0 21 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 5009 0 4643 36 7 29 30 0 8 3 art_table 32 5012 0 4643 4 0 4 4 0 8 0 art_node 16 1261 0 1182 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 11 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 79 0 69 1 0 1 1 0 8 0 shmpl 112 41 0 3 2 0 2 2 0 8 0 dirhash 1024 33 0 14 3 0 3 3 0 8 0 dino2pl 256 3941 0 2275 105 0 105 105 0 8 0 ffsino 272 3941 0 2275 112 0 112 112 0 8 0 nchpl 144 5775 0 3978 67 0 67 67 0 8 0 uvmvnodes 80 5810 0 0 119 0 119 119 0 8 0 vnodes 216 5810 0 0 323 0 323 323 0 8 0 namei 1024 28770 0 28770 7 6 1 2 0 8 1 percpumem 16 139 0 92 1 0 1 1 0 8 0 kstatmem 264 210 0 184 3 1 2 3 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 48141 0 48141 11 10 1 8 1 8 1 plimitpl 152 512 0 494 1 0 1 1 0 8 0 sigapl 424 2628 0 2557 11 2 9 9 0 8 0 futexpl 64 18337 0 18331 8 7 1 1 0 8 0 knotepl 120 803 0 0 24 0 24 24 0 8 0 kqueuepl 216 439 0 430 5 4 1 5 0 8 0 pipepl 320 468 0 440 3 0 3 3 0 8 0 fdescpl 496 2588 0 2556 9 4 5 6 0 8 0 filepl 152 14351 0 14091 47 34 13 20 0 8 1 lockfpl 104 719 0 713 3 2 1 2 0 8 0 lockfspl 48 175 0 172 1 0 1 1 0 8 0 sessionpl 144 110 0 101 1 0 1 1 0 8 0 pgrppl 48 217 0 200 1 0 1 1 0 8 0 ucredpl 104 2280 0 2266 1 0 1 1 0 8 0 zombiepl 144 2558 0 2557 1 0 1 1 0 8 0 processpl 1160 2628 0 2557 7 1 6 6 0 8 0 procpl 648 4557 0 4477 9 1 8 8 0 8 0 srpgc 96 6 0 6 3 2 1 1 0 8 1 sosppl 168 8 0 8 4 3 1 1 0 8 1 sockpl 664 3587 0 3553 52 46 6 18 0 8 2 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 275 0 0 30 0 30 30 0 8 0 mtagpl 96 11 0 0 1 0 1 1 0 8 0 mbufpl 256 628 0 0 34 0 34 34 0 8 0 bufpl 280 11640 0 5451 466 2 464 466 0 8 0 anonpl 24 395191 0 390125 109 38 71 71 0 185 17 amapchunkpl 152 62985 0 62398 56 22 34 36 0 158 10 amappl16 200 6875 0 6831 61 43 18 24 0 8 12 amappl15 192 11 0 11 1 1 0 1 0 8 0 amappl14 184 292 0 280 1 0 1 1 0 8 0 amappl13 176 11 0 11 1 1 0 1 0 8 0 amappl12 168 4526 0 4495 4 2 2 3 0 8 0 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 11 0 10 1 0 1 1 0 8 0 amappl9 144 129 0 129 1 1 0 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 272 0 259 1 0 1 1 0 8 0 amappl6 120 975 0 973 1 0 1 1 0 8 0 amappl5 112 472 0 460 1 0 1 1 0 8 0 amappl4 104 571 0 553 1 0 1 1 0 8 0 amappl3 96 11971 0 11855 6 2 4 4 0 8 0 amappl2 88 1887 0 1817 2 0 2 2 0 8 0 amappl1 80 20658 0 20091 15 1 14 14 0 8 0 amappl 88 18543 0 18359 6 1 5 5 0 92 0 dma16384 16384 1 0 1 1 1 0 1 0 8 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 43 0 3 1 0 1 1 0 8 0 uaddrrnd 24 2588 0 2556 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2588 0 2556 1 0 1 1 0 8 0 vmmpekpl 168 22243 0 22187 3 0 3 3 0 8 0 vmmpepl 168 164723 0 162795 132 29 103 103 0 357 14 vmsppl 440 2587 0 2556 6 2 4 5 0 8 0 rwobjpl 56 53147 0 46335 104 4 100 100 0 8 0 pdppl 4096 5183 0 5112 215 144 71 87 0 8 0 pvpl 32 30611 0 0 250 3 247 247 0 265 0 pmappl 248 2587 0 2556 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 638 0 239 13 0 13 13 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: 0x6fe76eb3fd90, 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_1(3f8,5) at x86_bus_space_io_read_1+0x37 sys/arch/amd64/amd64/bus_space.c:654 comcnputc(800,20) at comcnputc+0xd0 comcn_read_reg sys/dev/ic/com.c:1655 [inline] comcnputc(800,20) at comcnputc+0xd0 sys/dev/ic/com.c:1259 cnputc(20) at cnputc+0x61 sys/dev/cons.c:218 kputchar(20,5,0) at kputchar+0x2cc sys/kern/subr_prf.c:367 kprintf() at kprintf+0x843 printf(ffffffff830ea1d0) at printf+0x8b sys/kern/subr_prf.c:529 trap_print(ffff8000325aed80,6) at trap_print+0xcc sys/arch/amd64/amd64/trap.c:464 kerntrap(ffff8000325aed80) at kerntrap+0x276 sys/arch/amd64/amd64/trap.c:328 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b memset() at memset+0x49 ffs_write(ffff8000325af120) at ffs_write+0xbab sys/ufs/ffs/ffs_vnops.c:401 end trace frame: 0xffff8000325af190, 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_1(3f8,5) at x86_bus_space_io_read_1+0x37 sys/arch/amd64/amd64/bus_space.c:654 comcnputc(800,20) at comcnputc+0xd0 comcn_read_reg sys/dev/ic/com.c:1655 [inline] comcnputc(800,20) at comcnputc+0xd0 sys/dev/ic/com.c:1259 cnputc(20) at cnputc+0x61 sys/dev/cons.c:218 kputchar(20,5,0) at kputchar+0x2cc sys/kern/subr_prf.c:367 kprintf() at kprintf+0x843 printf(ffffffff830ea1d0) at printf+0x8b sys/kern/subr_prf.c:529 trap_print(ffff8000325aed80,6) at trap_print+0xcc sys/arch/amd64/amd64/trap.c:464 kerntrap(ffff8000325aed80) at kerntrap+0x276 sys/arch/amd64/amd64/trap.c:328 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b memset() at memset+0x49 ffs_write(ffff8000325af120) at ffs_write+0xbab sys/ufs/ffs/ffs_vnops.c:401 VOP_WRITE(fffffd805fef4ce8,ffff8000325af1d8,3,fffffd807f7d3618) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80003258ca60,fffffd805fef4ce8,fffffd807f7d3618,ffff8000325af2a8,ffff8000325af280) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrstruct(ffff80003258ca60,ffffffff82fff9a0,ffff8000325af3a0,10) at ktrstruct+0x19a sys/kern/kern_ktrace.c:308 sys_nanosleep(ffff80003258ca60,ffff8000325af4e0,ffff8000325af430) at sys_nanosleep+0x109 sys/kern/kern_time.c:292 syscall(ffff8000325af4e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000325af4e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d027e5466a0, count: -20