2017/08/13 14:54:32 parsed 1 programs 2017/08/13 14:54:32 executed programs: 0 syzkaller login: [ 34.137434] kvm [3034]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008f data 0xf0047 [ 34.138325] kvm [3049]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008f data 0xf0047 [ 34.138336] kvm [3049]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008e data 0xf0047 [ 34.138347] kvm [3049]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008d data 0xf0047 [ 34.138358] kvm [3049]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008c data 0xf0047 [ 34.138369] kvm [3049]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008b data 0xf0047 [ 34.138380] kvm [3049]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008a data 0xf0047 [ 34.138391] kvm [3049]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000089 data 0xf0047 [ 34.138401] kvm [3049]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000088 data 0xf0047 [ 34.138412] kvm [3049]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000087 data 0xf0047 [ 34.139484] kvm [3049]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 34.143105] kvm [3041]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 34.146795] kvm [3051]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 34.153448] kvm [3059]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 34.163602] kvm [3054]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 34.165690] kvm [3034]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 34.176193] kvm [3057]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 34.185725] kvm [3073]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 34.197125] kvm [3063]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 34.207239] kvm [3081]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 2017/08/13 14:54:37 executed programs: 695 [ 39.147294] kvm_hv_set_msr: 127112 callbacks suppressed [ 39.147672] kvm [5616]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008f data 0xf0047 [ 39.148375] kvm [5616]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008e data 0xf0047 [ 39.149002] kvm [5616]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008d data 0xf0047 [ 39.149670] kvm [5616]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008c data 0xf0047 [ 39.150359] kvm [5616]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008b data 0xf0047 [ 39.151327] kvm [5616]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008a data 0xf0047 [ 39.152287] kvm [5596]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008f data 0xf0047 [ 39.152299] kvm [5621]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008f data 0xf0047 [ 39.152303] kvm [5596]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008e data 0xf0047 [ 39.152320] kvm [5596]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x4000008d data 0xf0047 [ 39.154179] kvm_hv_set_msr_pw: 957 callbacks suppressed [ 39.154184] kvm [5621]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 39.159747] kvm [5616]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 39.162173] kvm [5619]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 39.166614] kvm [5613]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 39.177762] kvm [5629]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 39.184607] kvm [5627]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 39.188086] kvm [5613]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 39.190708] kvm [5636]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 39.195408] kvm [5632]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 39.202770] kvm [5643]: vcpu0, guest rIP: 0x9111 Hyper-V uhandled wrmsr: 0x40000020 data 0xf0047 [ 40.709847] kasan: CONFIG_KASAN_INLINE enabled [ 40.710543] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 40.711165] general protection fault: 0000 [#1] SMP KASAN [ 40.711637] Dumping ftrace buffer: [ 40.711935] (ftrace buffer empty) [ 40.712511] Modules linked in: [ 40.712786] CPU: 1 PID: 6382 Comm: syz-executor5 Not tainted 4.13.0-rc4-next-20170811 #2 [ 40.713457] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 40.714130] task: ffff88003b35e800 task.stack: ffff88003a1c0000 [ 40.714626] RIP: 0010:gfn_to_rmap+0x624/0x770 [ 40.714989] RSP: 0018:ffff88003a1c6788 EFLAGS: 00010297 [ 40.715426] RAX: dffffc0000000000 RBX: ffff880037cc58d0 RCX: 1ffff10006f98b0f [ 40.716016] RDX: 0000000000000000 RSI: ffff880037cd0bc8 RDI: ffff880037cc58d8 [ 40.716602] RBP: ffff88003a1c6908 R08: ffffffff8111d5b1 R09: 0000000000000000 [ 40.717188] R10: ffff88003a1c6cb0 R11: ffff8800374837d8 R12: 0000000000000003 [ 40.717774] R13: 000000000000000f R14: 000000000000000e R15: dffffc0000000000 [ 40.718362] FS: 0000000000000000(0000) GS:ffff88003ed00000(0000) knlGS:0000000000000000 [ 40.719056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.719544] CR2: 00007f9dac341000 CR3: 000000003b47c000 CR4: 00000000000026e0 [ 40.720153] Call Trace: [ 40.720378] ? kvm_handle_hva_range+0x6e0/0x6e0 [ 40.720804] ? mmu_spte_clear_track_bits+0x11a/0x3f0 [ 40.721303] ? mmu_spte_update+0x220/0x220 [ 40.721608] ? mmu_shrink_scan+0xb50/0xb50 [ 40.721908] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.722256] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.722601] ? do_raw_spin_trylock+0x190/0x190 [ 40.722985] ? pte_list_remove+0x7b/0x3c0 [ 40.723338] drop_spte+0x14f/0x250 [ 40.723574] mmu_page_zap_pte+0x224/0x340 [ 40.723861] ? kvm_mmu_zap_collapsible_spte+0x3f0/0x3f0 [ 40.724229] ? trace_hardirqs_on+0xd/0x10 [ 40.724518] ? get_dump_page+0x150/0x150 [ 40.724803] ? percpu_counter_add_batch+0xce/0x130 [ 40.725135] kvm_mmu_prepare_zap_page+0x1c5/0x1310 [ 40.725466] ? drain_local_pages_wq+0x20/0x20 [ 40.725784] ? mmio_info_in_cache+0x670/0x670 [ 40.726162] ? update_load_avg+0x1231/0x2a90 [ 40.726604] ? check_preempt_wakeup+0x1320/0x1320 [ 40.727071] ? lock_acquire+0x1d5/0x580 [ 40.727326] ? lock_acquire+0x1d5/0x580 [ 40.727673] ? __is_insn_slot_addr+0x1fc/0x330 [ 40.728002] ? lock_downgrade+0x990/0x990 [ 40.728286] ? lock_release+0xa40/0xa40 [ 40.728639] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 40.729048] ? entry_SYSCALL_64_fastpath+0xbc/0xbe [ 40.729391] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 40.729719] ? kvm_make_all_cpus_request+0x444/0x580 [ 40.730073] ? gfn_to_pfn_atomic+0x650/0x650 [ 40.730370] ? lock_downgrade+0x990/0x990 [ 40.730675] ? lock_release+0xa40/0xa40 [ 40.730951] ? lock_release+0xa40/0xa40 [ 40.731219] ? __free_insn_slot+0x5c0/0x5c0 [ 40.731507] ? unwind_dump+0x4c0/0x4c0 [ 40.731784] kvm_mmu_invalidate_zap_all_pages+0x4a0/0x680 [ 40.732157] ? kvm_mmu_zap_collapsible_sptes+0xb0/0xb0 [ 40.732520] ? lock_acquire+0x1d5/0x580 [ 40.732793] ? lock_release+0xa40/0xa40 [ 40.733061] ? lock_release+0xa40/0xa40 [ 40.733329] ? kasan_slab_free+0x71/0xc0 [ 40.733590] ? __khugepaged_exit+0x410/0x650 [ 40.734245] ? kvm_vcpu_on_spin+0x710/0x710 [ 40.734535] kvm_arch_flush_shadow_all+0x15/0x20 [ 40.734885] kvm_mmu_notifier_release+0x59/0x90 [ 40.735216] ? kvm_vcpu_on_spin+0x710/0x710 [ 40.735510] __mmu_notifier_release+0x1d5/0x690 [ 40.735824] ? vmx_read_guest_seg_ar+0x159/0x250 [ 40.736153] ? __gfn_to_hva_many+0x154/0x1b0 [ 40.736453] ? __mmu_notifier_invalidate_range_end+0x350/0x350 [ 40.736866] ? __khugepaged_exit+0x3f7/0x650 [ 40.737175] ? lock_downgrade+0x990/0x990 [ 40.737460] ? do_raw_spin_trylock+0x190/0x190 [ 40.737764] ? trace_hardirqs_off+0xd/0x10 [ 40.738062] ? quarantine_put+0xeb/0x190 [ 40.738344] exit_mmap+0x479/0x560 [ 40.738585] ? __khugepaged_exit+0x43d/0x650 [ 40.738883] ? SyS_munmap+0x30/0x30 [ 40.739140] ? hugepage_madvise+0xf0/0xf0 [ 40.739425] ? check_same_owner+0x320/0x320 [ 40.739715] ? rcu_note_context_switch+0x710/0x710 [ 40.740054] ? lock_release+0xa40/0xa40 [ 40.740329] ? __might_sleep+0x95/0x190 [ 40.740613] mmput+0x223/0x6e0 [ 40.740833] ? get_task_exe_file+0xc0/0xc0 [ 40.741135] ? is_current_pgrp_orphaned+0xa0/0xa0 [ 40.741461] ? do_exit+0x991/0x1b30 [ 40.741707] ? lock_downgrade+0x990/0x990 [ 40.741988] ? do_raw_spin_trylock+0x190/0x190 [ 40.742304] ? down_read+0x96/0x150 [ 40.742551] ? do_exit+0x4ad/0x1b30 [ 40.742797] ? __down_interruptible+0x6a0/0x6a0 [ 40.743119] ? trace_hardirqs_on+0xd/0x10 [ 40.743396] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.743704] do_exit+0x9a1/0x1b30 [ 40.743937] ? plist_check_head+0xe2/0x130 [ 40.744230] ? plist_check_list+0xa0/0xa0 [ 40.744517] ? mm_update_next_owner+0x930/0x930 [ 40.744830] ? plist_check_head+0x130/0x130 [ 40.745129] ? plist_add+0x760/0x760 [ 40.745384] ? lock_downgrade+0x990/0x990 [ 40.745661] ? __schedule+0x2070/0x2070 [ 40.745929] ? check_same_owner+0x320/0x320 [ 40.746230] ? rcu_note_context_switch+0x710/0x710 [ 40.746567] ? futex_wait_setup+0x14a/0x3d0 [ 40.746851] ? __might_sleep+0x95/0x190 [ 40.747178] ? _cond_resched+0x14/0x30 [ 40.747459] ? futex_wait_queue_me+0x524/0x7e0 [ 40.747766] ? lock_acquire+0x1d5/0x580 [ 40.748030] ? lock_acquire+0x1d5/0x580 [ 40.748305] ? futex_wait+0x43e/0xa00 [ 40.748564] ? lock_downgrade+0x990/0x990 [ 40.748843] ? do_raw_spin_trylock+0x190/0x190 [ 40.749158] ? fault_in_user_writeable+0x90/0x90 [ 40.749486] ? futex_wake+0x680/0x680 [ 40.749731] ? __dequeue_signal+0x103/0x7b0 [ 40.750011] ? recalc_sigpending_tsk+0x117/0x150 [ 40.750385] ? get_signal+0x855/0x17e0 [ 40.750651] ? lock_downgrade+0x990/0x990 [ 40.750963] do_group_exit+0x149/0x400 [ 40.751253] ? SyS_exit+0x30/0x30 [ 40.751507] ? finish_task_switch+0x1d3/0x740 [ 40.751817] get_signal+0x7e8/0x17e0 [ 40.752098] ? ptrace_notify+0x130/0x130 [ 40.752387] ? __schedule+0x8f0/0x2070 [ 40.752689] ? exit_robust_list+0x240/0x240 [ 40.752969] ? lock_acquire+0x1d5/0x580 [ 40.753267] ? __fget+0x333/0x570 [ 40.753497] do_signal+0x94/0x1ee0 [ 40.753769] ? lock_release+0xa40/0xa40 [ 40.754045] ? setup_sigcontext+0x7d0/0x7d0 [ 40.754364] ? schedule+0x108/0x440 [ 40.754599] ? __schedule+0x2070/0x2070 [ 40.755292] ? finish_task_switch+0x1d3/0x740 [ 40.755585] ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80 [ 40.755972] exit_to_usermode_loop+0x224/0x300 [ 40.756324] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 40.756691] ? selinux_capable+0x40/0x40 [ 40.756971] syscall_return_slowpath+0x42f/0x500 [ 40.757418] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 40.757781] ? security_file_ioctl+0x7d/0xb0 [ 40.758088] ? security_file_ioctl+0x89/0xb0 [ 40.758405] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.758750] entry_SYSCALL_64_fastpath+0xbc/0xbe [ 40.759145] RIP: 0033:0x446739 [ 40.759393] RSP: 002b:00007ff9ee77ecf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 40.759926] RAX: fffffffffffffe00 RBX: 0000000000708170 RCX: 0000000000446739 [ 40.760580] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000708170 [ 40.761370] RBP: 0000000000708150 R08: 0000000000000000 R09: 0000000000000000 [ 40.762154] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.762714] R13: 0000000000000000 R14: 00007ff9ee77f9c0 R15: 00007ff9ee77f700 [ 40.763221] Code: 3f 02 00 00 48 c7 c7 80 58 e2 84 c6 05 36 f7 09 05 01 e8 10 92 44 00 e9 46 fb ff ff e8 26 bd 5d 00 48 b8 00 00 00 00 00 fc ff df <80> 38 00 0f 85 32 01 00 00 4c 8b 24 25 00 00 00 00 31 db e9 ef [ 40.764846] RIP: gfn_to_rmap+0x624/0x770 RSP: ffff88003a1c6788 [ 40.765243] ---[ end trace 4aa948af4f185db1 ]--- [ 40.765552] Kernel panic - not syncing: Fatal exception [ 40.765992] Dumping ftrace buffer: [ 40.766235] (ftrace buffer empty) [ 40.766470] Kernel Offset: disabled [ 40.766706] Rebooting in 86400 seconds..