Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 304.288441] random: crng init done 2017/08/17 17:53:46 parsed 1 programs 2017/08/17 17:53:46 executed programs: 0 2017/08/17 17:53:51 executed programs: 478 2017/08/17 17:53:56 executed programs: 867 2017/08/17 17:54:01 executed programs: 1320 2017/08/17 17:54:06 executed programs: 1741 2017/08/17 17:54:11 executed programs: 2194 2017/08/17 17:54:16 executed programs: 2638 2017/08/17 17:54:21 executed programs: 3106 2017/08/17 17:54:26 executed programs: 3654 2017/08/17 17:54:31 executed programs: 4096 2017/08/17 17:54:36 executed programs: 4510 2017/08/17 17:54:41 executed programs: 5056 2017/08/17 17:54:46 executed programs: 5611 2017/08/17 17:54:51 executed programs: 6109 2017/08/17 17:54:56 executed programs: 6592 2017/08/17 17:55:01 executed programs: 7022 2017/08/17 17:55:06 executed programs: 7432 2017/08/17 17:55:11 executed programs: 7828 2017/08/17 17:55:16 executed programs: 8382 2017/08/17 17:55:21 executed programs: 8940 2017/08/17 17:55:26 executed programs: 9508 2017/08/17 17:55:31 executed programs: 10075 2017/08/17 17:55:36 executed programs: 10650 2017/08/17 17:55:41 executed programs: 11218 2017/08/17 17:55:46 executed programs: 11698 2017/08/17 17:55:51 executed programs: 12190 2017/08/17 17:55:56 executed programs: 12752 2017/08/17 17:56:01 executed programs: 13256 2017/08/17 17:56:06 executed programs: 13747 2017/08/17 17:56:11 executed programs: 14296 2017/08/17 17:56:16 executed programs: 14839 2017/08/17 17:56:21 executed programs: 15311 2017/08/17 17:56:26 executed programs: 15779 2017/08/17 17:56:31 executed programs: 16226 2017/08/17 17:56:36 executed programs: 16667 2017/08/17 17:56:41 executed programs: 17224 2017/08/17 17:56:46 executed programs: 17800 2017/08/17 17:56:51 executed programs: 18380 2017/08/17 17:56:56 executed programs: 18938 2017/08/17 17:57:01 executed programs: 19510 2017/08/17 17:57:06 executed programs: 20079 2017/08/17 17:57:11 executed programs: 20637 2017/08/17 17:57:16 executed programs: 21196 2017/08/17 17:57:21 executed programs: 21759 2017/08/17 17:57:26 executed programs: 22308 2017/08/17 17:57:31 executed programs: 22870 2017/08/17 17:57:36 executed programs: 23424 2017/08/17 17:57:41 executed programs: 23866 2017/08/17 17:57:46 executed programs: 24365 2017/08/17 17:57:51 executed programs: 24934 2017/08/17 17:57:57 executed programs: 25415 2017/08/17 17:58:02 executed programs: 25911 2017/08/17 17:58:07 executed programs: 26454 2017/08/17 17:58:12 executed programs: 27007 2017/08/17 17:58:17 executed programs: 27471 2017/08/17 17:58:22 executed programs: 27915 2017/08/17 17:58:27 executed programs: 28309 2017/08/17 17:58:32 executed programs: 28715 2017/08/17 17:58:37 executed programs: 29126 2017/08/17 17:58:42 executed programs: 29544 2017/08/17 17:58:47 executed programs: 29920 2017/08/17 17:58:52 executed programs: 30384 2017/08/17 17:58:57 executed programs: 30808 2017/08/17 17:59:02 executed programs: 31218 [ 624.580878] ------------[ cut here ]------------ [ 624.581854] WARNING: CPU: 1 PID: 8131 at arch/x86/kvm/x86.c:8156 __x86_set_memory_region+0x56e/0x7a0 [ 624.583912] Kernel panic - not syncing: panic_on_warn set ... [ 624.583912] [ 624.585318] CPU: 1 PID: 8131 Comm: syz-executor3 Not tainted 4.13.0-rc5-next-20170817+ #5 [ 624.586514] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 624.587369] Call Trace: [ 624.587713] dump_stack+0x194/0x257 [ 624.588399] ? arch_local_irq_restore+0x53/0x53 [ 624.588986] panic+0x1e4/0x417 [ 624.589324] ? __warn+0x1d9/0x1d9 [ 624.589680] ? show_regs_print_info+0x65/0x65 [ 624.590165] ? __x86_set_memory_region+0x56e/0x7a0 [ 624.590716] __warn+0x1c4/0x1d9 [ 624.591066] ? __x86_set_memory_region+0x56e/0x7a0 [ 624.591578] report_bug+0x211/0x2d0 [ 624.592269] fixup_bug+0x40/0x90 [ 624.592900] do_trap+0x260/0x390 [ 624.593980] ? check_same_owner+0x320/0x320 [ 624.594822] do_error_trap+0x120/0x390 [ 624.595555] ? do_trap+0x390/0x390 [ 624.596176] ? rwsem_down_write_failed_killable+0xe/0x10 [ 624.597095] ? __x86_set_memory_region+0x56e/0x7a0 [ 624.597953] ? down_write_killable+0x127/0x140 [ 624.598826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 624.599362] do_invalid_op+0x1b/0x20 [ 624.599893] invalid_op+0x18/0x20 [ 624.600320] RIP: 0010:__x86_set_memory_region+0x56e/0x7a0 [ 624.600903] RSP: 0018:ffff88003cb871f0 EFLAGS: 00010297 [ 624.601501] RAX: ffff88003c9b4740 RBX: ffff88003cb872f8 RCX: 0000000000000000 [ 624.602278] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000286 [ 624.603041] RBP: ffff88003cb87320 R08: 0000000000000000 R09: 1ffff10007970df9 [ 624.603947] R10: ffff88003cb86f90 R11: ffff880068de8310 R12: ffff88003cb872b8 [ 624.604606] R13: 1ffff10007970e43 R14: ffff88003668ea00 R15: 0000000000000000 [ 624.605276] ? msr_io+0x3b0/0x3b0 [ 624.605533] x86_set_memory_region+0x3e/0x60 [ 624.605865] kvm_arch_destroy_vm+0x7b3/0x990 [ 624.606186] ? kvm_arch_sync_events+0x30/0x30 [ 624.606508] ? mmu_notifier_unregister+0x433/0x5d0 [ 624.606867] ? __mmu_notifier_register+0x30/0x30 [ 624.607197] ? __free_pages+0x107/0x150 [ 624.607471] ? quarantine_put+0xeb/0x190 [ 624.607825] ? free_hot_cold_page+0x12b0/0x12b0 [ 624.608235] ? quarantine_put+0xeb/0x190 [ 624.608656] ? free_pages+0x51/0x90 [ 624.609220] kvm_put_kvm+0x695/0xdf0 [ 624.609867] ? kvm_clear_guest+0xb0/0xb0 [ 624.610287] ? lock_acquire+0x1d5/0x580 [ 624.610719] ? lock_acquire+0x1d5/0x580 [ 624.611213] ? kvm_irqfd_release+0xd1/0x120 [ 624.611652] ? lock_downgrade+0x990/0x990 [ 624.612077] ? __fsnotify_parent+0xb4/0x3a0 [ 624.612467] ? kvm_irqfd_release+0xdd/0x120 [ 624.612885] ? kvm_irqfd_release+0xdd/0x120 [ 624.613394] ? kvm_put_kvm+0xdf0/0xdf0 [ 624.613782] kvm_vm_release+0x42/0x50 [ 624.614177] __fput+0x327/0x7e0 [ 624.614954] ? fput+0x140/0x140 [ 624.615251] ____fput+0x15/0x20 [ 624.615544] task_work_run+0x199/0x270 [ 624.616152] ? task_work_cancel+0x210/0x210 [ 624.616574] ? mutex_unlock+0xd/0x10 [ 624.616945] ? kvm_vm_ioctl+0x220/0x1c40 [ 624.617341] ? futex_wake+0x2ca/0x680 [ 624.617725] get_signal+0x143d/0x17e0 [ 624.618124] ? kvm_set_memory_region+0x50/0x50 [ 624.618590] ? get_futex_key+0x1d50/0x1d50 [ 624.619040] ? ptrace_notify+0x130/0x130 [ 624.619460] ? __fget+0x35c/0x570 [ 624.620049] ? lock_acquire+0x1d5/0x580 [ 624.620541] ? __fget+0x333/0x570 [ 624.620869] do_signal+0x94/0x1ee0 [ 624.621230] ? lock_release+0xa40/0xa40 [ 624.621635] ? __fget_light+0x297/0x380 [ 624.622048] ? setup_sigcontext+0x7d0/0x7d0 [ 624.622505] ? __fget+0x35c/0x570 [ 624.622871] ? iterate_fd+0x3f0/0x3f0 [ 624.623291] ? __fdget+0x18/0x20 [ 624.623676] ? sockfd_lookup_light+0x104/0x150 [ 624.624186] ? kvm_set_memory_region+0x50/0x50 [ 624.624682] exit_to_usermode_loop+0x224/0x300 [ 624.625388] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 624.626363] ? selinux_capable+0x40/0x40 [ 624.627094] syscall_return_slowpath+0x42f/0x500 [ 624.627597] ? cpumask_weight.constprop.3+0x45/0x45 [ 624.628487] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 624.629373] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 624.630208] entry_SYSCALL_64_fastpath+0xbc/0xbe [ 624.630992] RIP: 0033:0x446739 [ 624.631507] RSP: 002b:00007f7993347c08 EFLAGS: 00000282 ORIG_RAX: 0000000000000010 [ 624.632291] RAX: fffffffffffffffc RBX: 0000000000000008 RCX: 0000000000446739 [ 624.633017] RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000008 [ 624.633767] RBP: 0000000000708000 R08: 0000000000000000 R09: 0000000000000000 [ 624.634523] R10: 0000000000000000 R11: 0000000000000282 R12: 00000000ffffffff [ 624.635245] R13: 0000000000001d80 R14: 00000000006e3e40 R15: 000000000000ae41 [ 624.637715] Dumping ftrace buffer: [ 624.638056] (ftrace buffer empty) [ 624.638421] Kernel Offset: disabled [ 624.638787] Rebooting in 86400 seconds..