uvm_fault(fffffd806b594a50,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000371e59a0,20000124) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371e59a0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff8000371e5d24,5,20000100,ffff8000371e5d58,0,37,51ac37bc347f6333) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffff27b8,ffff8000371e5e90,ffff8000371e5de0) at sys_sysctl+0x422 syscall(ffff8000371e5e90) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371e5e90) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff8000371e5f10, count: 0 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk cpu1: kernel diagnostic assertion "((flags & PGO_LOCKED) != 0 && rw_lock_held(uobj->vmobjlock)) || (flags & PGO_LOCKED) == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_vnode.c", line 955 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83070a9b) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806b594b40,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806b594b30,2) at rw_enter+0x122 uvmfault_lookup(ffff8000371e5800,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff8000371e5800,ffff8000371e5838,ffff8000371e5860) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806b594a50,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000371e59a0,20000124) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371e59a0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff8000371e5d24,5,20000100,ffff8000371e5d58,0,37,51ac37bc347f6333) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffff27b8,ffff8000371e5e90,ffff8000371e5de0) at sys_sysctl+0x422 syscall(ffff8000371e5e90) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371e5e90) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb927489b330, count: -15 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371e5400 rbx 0xffffffff834cddcf cpu_info_full_primary+0x2dcf rdx 0 rcx 0xffff8000ffff27b8 rax 0xffffffff834ccff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xb2cef813ddba61c2 r11 0x644a7d5c4fbc8e99 r12 0xffffffff834cdbd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff82827105 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371e53f0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=73561 pid=37670 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff3970,0xffff800037240f70 process=0xffff80003726c910 user=0xffff8000371e0000, vmspace=0xfffffd806b594a50 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=3, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 46793 380245 4315 0 7 0 syz-executor 96089 493725 73167 0 2 0 syz-executor 96089 330290 73167 0 3 0x4000000 biowait syz-executor 96089 260409 73167 0 2 0x4000000 syz-executor 35992 147371 58849 0 2 0 syz-executor 37670 284589 94826 0 2 0 syz-executor 37670 488867 94826 0 2 0x4000000 syz-executor *37670 73561 94826 0 7 0x4000000 syz-executor 37670 167029 94826 0 3 0x4000080 fsleep syz-executor 73412 206070 7775 0 2 0 syz-executor 73412 16837 7775 0 3 0x4000080 fsleep syz-executor 76754 103061 32162 0 3 0x3000 suspend syz-executor 76754 58301 32162 0 2 0x4081000 syz-executor 76754 400841 32162 0 2 0x4081000 syz-executor 77175 274252 10818 0 2 0 syz-executor 77175 486280 10818 0 3 0x4000080 fsleep syz-executor 7062 149751 32449 0 2 0 syz-executor 7062 320941 32449 0 3 0x4000080 fsleep syz-executor 7062 170437 32449 0 3 0x4000080 fsleep syz-executor 59745 202294 0 0 3 0x14200 bored sosplice 3950 506061 1 0 3 0x82 nanoslp getty 45330 448515 0 0 3 0x14280 nfsidl nfsio 13319 3038 0 0 3 0x14280 nfsidl nfsio 96109 214297 0 0 3 0x14280 nfsidl nfsio 69672 454651 0 0 3 0x14280 nfsidl nfsio 75868 317191 0 0 3 0x14280 nfsidl nfsio 88584 75094 0 0 3 0x14280 nfsidl nfsio 34415 389690 0 0 3 0x14280 nfsidl nfsio 73090 128003 0 0 3 0x14280 nfsidl nfsio 78596 438008 0 0 3 0x14280 nfsidl nfsio 61734 336794 0 0 3 0x14280 nfsidl nfsio 29742 83346 0 0 3 0x14280 nfsidl nfsio 763 269781 0 0 3 0x14280 nfsidl nfsio 73707 158735 0 0 3 0x14280 nfsidl nfsio 98327 471108 0 0 3 0x14280 nfsidl nfsio 85222 340721 0 0 3 0x14280 nfsidl nfsio 75253 352337 0 0 3 0x14280 nfsidl nfsio 16412 410325 0 0 3 0x14280 nfsidl nfsio 81369 283390 0 0 3 0x14280 nfsidl nfsio 89570 233667 0 0 3 0x14280 nfsidl nfsio 51541 361956 0 0 3 0x14280 nfsidl nfsio 73167 247807 24543 0 3 0x82 nanoslp syz-executor 32449 365397 24543 0 3 0x82 nanoslp syz-executor 10818 211570 24543 0 3 0x82 nanoslp syz-executor 58849 321266 24543 0 3 0x82 nanoslp syz-executor 4315 227793 24543 0 3 0x82 nanoslp syz-executor 94826 99525 24543 0 3 0x82 nanoslp syz-executor 32162 460040 24543 0 3 0x82 nanoslp syz-executor 7775 358786 24543 0 3 0x82 nanoslp syz-executor 24543 419085 4627 0 3 0x82 kqread syz-executor 4627 208672 20065 0 3 0x10008a sigsusp ksh 20065 243228 70583 0 3 0x98 kqread sshd-session 70583 417094 10165 0 3 0x92 kqread sshd-session 10165 23365 1 0 3 0x88 kqread sshd 75876 262237 23728 74 3 0x1100092 bpf pflogd 23728 317626 1 0 3 0x80 sbwait pflogd 30781 295065 79687 73 3 0x1100090 kqread syslogd 79687 469476 1 0 3 0x100082 sbwait syslogd 38400 514976 1 0 3 0x100080 kqread resolvd 19755 129462 1979 77 3 0x100092 kqread dhcpleased 28315 290937 1979 77 3 0x100092 kqread dhcpleased 1979 49725 1 0 3 0x80 kqread dhcpleased 99584 101600 0 0 3 0x14200 bored smr 65510 177520 0 0 2 0x14200 zerothread 78128 92349 0 0 3 0x14200 aiodoned aiodoned 17270 247927 0 0 3 0x14200 syncer update 95585 4782 0 0 3 0x14200 cleaner cleaner 54889 493842 0 0 3 0x14200 reaper reaper 76520 120109 0 0 3 0x14200 pgdaemon pagedaemon 17021 239139 0 0 3 0x14200 bored viomb 89270 260468 0 0 3 0x40014200 acpi0 acpi0 19701 1880 0 0 3 0x40014200 idle1 27522 86378 0 0 3 0x14200 bored softnet3 52629 458930 0 0 3 0x14200 bored softnet2 30769 433766 0 0 3 0x14200 bored softnet1 70993 441135 0 0 3 0x14200 bored softnet0 9261 134692 0 0 3 0x14200 bored systqmp 87981 427637 0 0 3 0x14200 bored systq 74132 266499 0 0 3 0x14200 tmoslp softclockmp 64800 470911 0 0 3 0x40014200 tmoslp softclock 19141 411952 0 0 3 0x40014200 idle0 1 15702 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &table->inpt_mtx r = 0 (0xffffffff835d8a78) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 sysctl_file+0x18e0 #4 kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 #5 sys_sysctl+0x422 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 96089 (syz-executor) thread 0xffff8000ffff2a40 (330290) exclusive rrwlock inode r = 0 (0xfffffd806b475a30) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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:169 #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 (0xfffffd806b475920) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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 37670 (syz-executor) thread 0xffff8000ffff27b8 (73561) exclusive rwlock netlock r = 0 (0xffffffff83465950) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sysctl_file+0xa18 sys/kern/kern_sysctl.c:1675 #2 kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 #3 sys_sysctl+0x422 #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 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835e44b0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sysctl_vslock+0x80 sys/kern/kern_sysctl.c:181 #2 kern_sysctl+0x1b3 sys/kern/kern_sysctl.c:498 #3 sys_sysctl+0x422 #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 exclusive rwlock sysctllk r = 0 (0xffffffff83491d00) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:176 #3 kern_sysctl+0x1b3 sys/kern/kern_sysctl.c:498 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 exclusive mutex &table->inpt_mtx r = 0 (0xffffffff835d8a78) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 sysctl_file+0x18e0 #4 kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 #5 sys_sysctl+0x422 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 37670 (syz-executor) thread 0xffff800037240f60 (167029) exclusive rwlock vmmaplk r = 0 (0xfffffd806b594b40) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252 #3 uvm_map_protect+0xe1 sys/uvm/uvm_map.c:3059 #4 sys_mprotect+0x34c sys/uvm/uvm_mmap.c:585 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10193 14194K 14324K 166960K 11315 0 pcb 17 12K 12K 166960K 37 0 rtable 234 6K 6K 166960K 348 0 pf 34 17K 21K 166960K 59 0 ifaddr 43 7K 7K 166960K 46 0 ifgroup 55 2K 2K 166960K 57 0 counters 64 36K 36K 166960K 66 0 ioctlops 0 0K 4K 166960K 1488 0 iov 0 0K 24K 166960K 6 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1370 86K 86K 166960K 1425 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 4 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 18 65K 93K 166960K 194 0 sigio 0 0K 0K 166960K 2 0 proc 70 91K 128K 166960K 542 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 3 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 49 228K 228K 166960K 49 0 exec 0 0K 1K 166960K 364 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 229 72K 77K 166960K 3443 0 UVM aobj 5 2K 2K 166960K 5 0 pinsyscall 43 86K 104K 166960K 1267 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 4 0 NDP 12 0K 2K 166960K 29 0 temp 36 6815K 6878K 166960K 4178 0 kqueue 13 20K 26K 166960K 33 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 33 0 30 1 0 1 1 0 8 0 rtentry 112 111 0 1 4 0 4 4 0 8 0 unpcb 144 89 0 72 2 0 2 2 0 8 1 syncache 336 3 0 3 2 1 1 1 0 8 1 tcpcb 808 21 0 16 1 0 1 1 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 336 123 0 112 2 0 2 2 0 8 1 nd6 136 24 0 0 1 0 1 1 0 8 0 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 1 0 1 1 0 1 1 0 482 1 pffrnode 88 1 0 1 1 0 1 1 0 8 1 pffrent 40 45 0 45 1 0 1 1 0 8 1 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 pfstitem 24 24 0 0 1 0 1 1 0 8 0 pfstkey 128 24 0 0 1 0 1 1 0 8 0 pfstate 376 24 0 0 3 0 3 3 0 8 0 pfrule 1344 22 0 16 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 452 0 0 29 0 29 29 0 8 0 art_table 32 453 0 0 4 0 4 4 0 8 0 art_node 16 110 0 10 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 2 0 0 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1663 0 154 95 0 95 95 0 8 0 ffsino 272 1663 0 154 101 0 101 101 0 8 0 nchpl 144 1933 0 1419 63 31 32 63 0 8 8 uvmvnodes 80 1797 0 0 37 0 37 37 0 8 0 vnodes 216 1797 0 0 100 0 100 100 0 8 0 namei 1024 5841 0 5840 2 0 2 2 0 8 1 percpumem 16 47 0 1 1 0 1 1 0 8 0 kstatmem 264 26 0 2 2 0 2 2 0 8 0 scxspl 216 5630 0 5629 3 1 2 2 1 8 1 plimitpl 152 38 0 18 1 0 1 1 0 8 0 sigapl 424 514 0 443 8 0 8 8 0 8 0 futexpl 64 952 0 947 1 0 1 1 0 8 0 knotepl 120 307 0 0 10 0 10 10 0 8 0 kqueuepl 216 34 0 25 1 0 1 1 0 8 0 pipepl 320 111 0 84 3 0 3 3 0 8 0 fdescpl 496 475 0 443 5 0 5 5 0 8 1 filepl 152 1764 0 1516 11 0 11 11 0 8 0 lockfpl 104 21 0 18 1 0 1 1 0 8 0 lockfspl 48 12 0 9 1 0 1 1 0 8 0 sessionpl 144 22 0 14 1 0 1 1 0 8 0 pgrppl 48 30 0 14 1 0 1 1 0 8 0 ucredpl 104 109 0 96 1 0 1 1 0 8 0 zombiepl 144 444 0 443 1 0 1 1 0 8 0 processpl 1160 514 0 443 6 0 6 6 0 8 0 procpl 648 613 0 531 7 0 7 7 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 664 246 0 215 4 0 4 4 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 209 0 0 27 0 27 27 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 284 0 0 18 0 18 18 0 8 0 bufpl 280 2370 0 98 163 0 163 163 0 8 0 anonpl 24 157472 0 154187 46 0 46 46 0 185 21 amapchunkpl 152 11077 0 10607 23 0 23 23 0 158 0 amappl16 200 4458 0 4440 13 0 13 13 0 8 11 amappl15 192 13 0 13 1 1 0 1 0 8 0 amappl14 184 117 0 105 1 0 1 1 0 8 0 amappl13 176 16 0 15 1 0 1 1 0 8 0 amappl12 168 1117 0 1087 4 1 3 3 0 8 0 amappl11 160 55 0 41 1 0 1 1 0 8 0 amappl10 152 8 0 8 1 1 0 1 0 8 0 amappl9 144 145 0 145 1 1 0 1 0 8 0 amappl8 136 26 0 23 1 0 1 1 0 8 0 amappl7 128 105 0 93 1 0 1 1 0 8 0 amappl6 120 185 0 184 1 0 1 1 0 8 0 amappl5 112 134 0 123 1 0 1 1 0 8 0 amappl4 104 307 0 288 1 0 1 1 0 8 0 amappl3 96 2082 0 1975 4 0 4 4 0 8 0 amappl2 88 669 0 602 2 0 2 2 0 8 0 amappl1 80 7640 0 7066 14 0 14 14 0 8 1 amappl 88 3072 0 2905 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 475 0 443 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 475 0 443 1 0 1 1 0 8 0 vmmpekpl 168 5307 0 5262 3 0 3 3 0 8 0 vmmpepl 168 38287 0 36406 94 1 93 93 0 357 7 vmsppl 440 474 0 443 6 1 5 5 0 8 1 rwobjpl 56 17406 0 14688 43 1 42 42 0 8 2 pdppl 4096 957 0 886 101 30 71 85 0 8 0 pvpl 32 14707 0 0 119 0 119 119 0 265 0 pmappl 248 474 0 443 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 390 0 33 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83070a9b) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806b594b40,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806b594b30,2) at rw_enter+0x122 uvmfault_lookup(ffff8000371e5800,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff8000371e5800,ffff8000371e5838,ffff8000371e5860) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806b594a50,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000371e59a0,20000124) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371e59a0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff8000371e5d24,5,20000100,ffff8000371e5d58,0,37,51ac37bc347f6333) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffff27b8,ffff8000371e5e90,ffff8000371e5de0) at sys_sysctl+0x422 syscall(ffff8000371e5e90) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371e5e90) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb927489b330, count: -15 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+0xb7 acpitimer_read sys/dev/acpi/acpitimer.c:146 [inline] acpitimer_delay(1) at acpitimer_delay+0xb7 sys/dev/acpi/acpitimer.c:120 comcnputc(800,2e) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(2e) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(2e) at db_putchar+0x65c sys/ddb/db_output.c:155 kprintf() at kprintf+0x2aba sys/kern/subr_prf.c:1065 db_printf(ffffffff8308242f) at db_printf+0x9b panic(ffffffff830e2bfc) at panic+0x103 sys/kern/subr_prf.c:216 __assert(ffffffff8309b3c7,ffffffff82fe0e3b,3bb,ffffffff830bdffd) at __assert+0x29 uvn_get(fffffd806e3c0b10,137000,ffff8000363a0c10,ffff8000363a0a8c,3,4,140f8e190b69ab3d,137000) at uvn_get+0x69b sys/uvm/uvm_vnode.c:954 uvm_fault_lower_lookup(ffff8000363a0c90,ffff8000363a0cc8,ffff8000363a0c10) at uvm_fault_lower_lookup+0x10e sys/uvm/uvm_fault.c:1128 end trace frame: 0xffff8000363a0b80, 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+0xb7 acpitimer_read sys/dev/acpi/acpitimer.c:146 [inline] acpitimer_delay(1) at acpitimer_delay+0xb7 sys/dev/acpi/acpitimer.c:120 comcnputc(800,2e) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(2e) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(2e) at db_putchar+0x65c sys/ddb/db_output.c:155 kprintf() at kprintf+0x2aba sys/kern/subr_prf.c:1065 db_printf(ffffffff8308242f) at db_printf+0x9b panic(ffffffff830e2bfc) at panic+0x103 sys/kern/subr_prf.c:216 __assert(ffffffff8309b3c7,ffffffff82fe0e3b,3bb,ffffffff830bdffd) at __assert+0x29 uvn_get(fffffd806e3c0b10,137000,ffff8000363a0c10,ffff8000363a0a8c,3,4,140f8e190b69ab3d,137000) at uvn_get+0x69b sys/uvm/uvm_vnode.c:954 uvm_fault_lower_lookup(ffff8000363a0c90,ffff8000363a0cc8,ffff8000363a0c10) at uvm_fault_lower_lookup+0x10e sys/uvm/uvm_fault.c:1128 uvm_fault_lower(ffff8000363a0c90,ffff8000363a0cc8,ffff8000363a0c10,0) at uvm_fault_lower+0x74 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd806b594000,a5c54812000,0,4) at uvm_fault+0x301 sys/uvm/uvm_fault.c:637 upageflttrap(ffff8000363a0e10,a5c548124bb) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff8000363a0e10) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7969e93ed6b0, count: -19