INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-kasan-gce-3,10.128.0.20' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz7.accept_dad = 0 net.ipv6.conf.syz1.accept_dad = 0 net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz4.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 net.ipv6.conf.syz2.accept_dad = 0 net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz6.accept_dad = 0 net.ipv6.conf.syz7.router_solicitations = 0 net.ipv6.conf.syz1.router_solicitations = 0 net.ipv6.conf.syz2.router_solicitations = 0 net.ipv6.conf.syz3.router_solicitations = 0 net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz6.router_solicitations = 0 net.ipv6.conf.syz4.router_solicitations = 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 152.242292] ================================================================== [ 152.245666] BUG: KASAN: use-after-free in irq_bypass_register_consumer+0x4f0/0x500 [ 152.248459] Read of size 8 at addr ffff8801d97e0178 by task syzkaller672256/14962 [ 152.251075] [ 152.251688] CPU: 0 PID: 14962 Comm: syzkaller672256 Not tainted 4.13.0-rc5+ #39 [ 152.254179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.257586] Call Trace: [ 152.258629] dump_stack+0x194/0x257 [ 152.260085] ? arch_local_irq_restore+0x53/0x53 [ 152.261918] ? show_regs_print_info+0x65/0x65 [ 152.265592] ? irq_bypass_register_consumer+0x4f0/0x500 [ 152.270962] print_address_description+0x73/0x250 [ 152.275806] ? irq_bypass_register_consumer+0x4f0/0x500 [ 152.281170] kasan_report+0x24e/0x340 [ 152.284973] __asan_report_load8_noabort+0x14/0x20 [ 152.289900] irq_bypass_register_consumer+0x4f0/0x500 [ 152.295091] ? __disconnect+0x1a0/0x1a0 [ 152.299091] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 152.304216] ? trace_hardirqs_on+0xd/0x10 [ 152.308360] ? queue_work_on+0x106/0x1c0 [ 152.312532] kvm_irqfd+0x137a/0x1d50 [ 152.316265] ? kvm_eventfd_init+0x2a0/0x2a0 [ 152.320594] ? __lock_acquire+0x6ef/0x3dc0 [ 152.324828] ? find_held_lock+0x35/0x1d0 [ 152.328897] ? __might_fault+0x110/0x1d0 [ 152.332969] ? lock_downgrade+0x990/0x990 [ 152.337148] ? lock_release+0xa40/0xa40 [ 152.341150] ? check_same_owner+0x320/0x320 [ 152.345470] ? clear_huge_page+0x140/0x3a0 [ 152.349709] ? __might_sleep+0x95/0x190 [ 152.353692] ? kasan_check_write+0x14/0x20 [ 152.357921] ? _copy_from_user+0x99/0x110 [ 152.362069] kvm_vm_ioctl+0x1079/0x1c40 [ 152.366049] ? kvm_set_memory_region+0x50/0x50 [ 152.370624] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 152.375810] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 152.381004] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 152.386207] ? check_noncircular+0x20/0x20 [ 152.390478] ? find_held_lock+0x35/0x1d0 [ 152.394544] ? __fget+0x333/0x570 [ 152.398048] ? lock_downgrade+0x990/0x990 [ 152.402201] ? lock_release+0xa40/0xa40 [ 152.406176] ? __lock_is_held+0xb6/0x140 [ 152.410254] ? __fget+0x35c/0x570 [ 152.413715] ? iterate_fd+0x3f0/0x3f0 [ 152.417600] ? handle_mm_fault+0x23e/0x940 [ 152.421835] ? find_held_lock+0x35/0x1d0 [ 152.425900] ? kvm_set_memory_region+0x50/0x50 [ 152.430476] do_vfs_ioctl+0x1b1/0x1520 [ 152.434357] ? __do_page_fault+0x51b/0xb60 [ 152.438596] ? ioctl_preallocate+0x2b0/0x2b0 [ 152.443003] ? selinux_capable+0x40/0x40 [ 152.447071] ? __handle_mm_fault+0x3810/0x3810 [ 152.451643] ? vmacache_find+0x61/0x270 [ 152.455630] ? security_file_ioctl+0x7d/0xb0 [ 152.460058] ? security_file_ioctl+0x89/0xb0 [ 152.464535] SyS_ioctl+0x8f/0xc0 [ 152.467905] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 152.472654] RIP: 0033:0x44a999 [ 152.475835] RSP: 002b:00007fa51cc29d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 152.483539] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044a999 [ 152.490802] RDX: 0000000020025fe0 RSI: 000000004020ae76 RDI: 0000000000000333 [ 152.498065] RBP: 0000000000000086 R08: 00007fa51cc2a700 R09: 00007fa51cc2a700 [ 152.505330] R10: 00007fa51cc2a700 R11: 0000000000000246 R12: 0000000000000000 [ 152.512646] R13: 00007ffe0eeab99f R14: 00007fa51cc2a9c0 R15: 0000000000000000 [ 152.519939] [ 152.521565] Allocated by task 14962: [ 152.525274] save_stack_trace+0x16/0x20 [ 152.529244] save_stack+0x43/0xd0 [ 152.532688] kasan_kmalloc+0xad/0xe0 [ 152.536396] kmem_cache_alloc_trace+0x12f/0x740 [ 152.541056] kvm_irqfd+0x16c/0x1d50 [ 152.544677] kvm_vm_ioctl+0x1079/0x1c40 [ 152.548770] do_vfs_ioctl+0x1b1/0x1520 [ 152.552649] SyS_ioctl+0x8f/0xc0 [ 152.556063] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 152.560806] [ 152.562423] Freed by task 3155: [ 152.565695] save_stack_trace+0x16/0x20 [ 152.569661] save_stack+0x43/0xd0 [ 152.573135] kasan_slab_free+0x71/0xc0 [ 152.577015] kfree+0xca/0x250 [ 152.580145] irqfd_shutdown+0x13c/0x1a0 [ 152.584144] process_one_work+0xbf3/0x1bc0 [ 152.588371] worker_thread+0x223/0x1860 [ 152.592337] kthread+0x35e/0x430 [ 152.595782] ret_from_fork+0x2a/0x40 [ 152.599570] [ 152.601194] The buggy address belongs to the object at ffff8801d97e0000 [ 152.601194] which belongs to the cache kmalloc-512 of size 512 [ 152.613929] The buggy address is located 376 bytes inside of [ 152.613929] 512-byte region [ffff8801d97e0000, ffff8801d97e0200) [ 152.625915] The buggy address belongs to the page: [ 152.630839] page:ffffea000765f800 count:1 mapcount:0 mapping:ffff8801d97e0000 index:0x0 [ 152.638976] flags: 0x200000000000100(slab) [ 152.643208] raw: 0200000000000100 ffff8801d97e0000 0000000000000000 0000000100000006 [ 152.651082] raw: ffffea000697c1a0 ffffea00076430a0 ffff8801dac00940 0000000000000000 [ 152.658979] page dumped because: kasan: bad access detected [ 152.664729] [ 152.666348] Memory state around the buggy address: [ 152.671270] ffff8801d97e0000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 152.678621] ffff8801d97e0080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 152.686079] >ffff8801d97e0100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb executing program executing program executing program executing program executing program [ 152.693457] ^ [ 152.700724] ffff8801d97e0180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 152.708077] ffff8801d97e0200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 152.715455] ================================================================== [ 152.722802] Disabling lock debugging due to kernel taint [ 152.728410] Kernel panic - not syncing: panic_on_warn set ... [ 152.728410] [ 152.735793] CPU: 0 PID: 14962 Comm: syzkaller672256 Tainted: G B 4.13.0-rc5+ #39 executing program executing program [ 152.744457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.753809] Call Trace: [ 152.756420] dump_stack+0x194/0x257 [ 152.760148] ? arch_local_irq_restore+0x53/0x53 [ 152.764813] ? kasan_end_report+0x32/0x50 [ 152.769067] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 152.773827] ? irq_bypass_register_consumer+0x4e0/0x500 [ 152.779188] panic+0x1e4/0x417 [ 152.782382] ? __warn+0x1d9/0x1d9 [ 152.785972] ? irq_bypass_register_consumer+0x4f0/0x500 executing program executing program executing program executing program [ 152.791342] kasan_end_report+0x50/0x50 [ 152.795316] kasan_report+0x137/0x340 [ 152.799148] __asan_report_load8_noabort+0x14/0x20 [ 152.804079] irq_bypass_register_consumer+0x4f0/0x500 [ 152.809310] ? __disconnect+0x1a0/0x1a0 [ 152.813288] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 152.818301] ? trace_hardirqs_on+0xd/0x10 [ 152.822442] ? queue_work_on+0x106/0x1c0 [ 152.826504] kvm_irqfd+0x137a/0x1d50 [ 152.830236] ? kvm_eventfd_init+0x2a0/0x2a0 [ 152.834566] ? __lock_acquire+0x6ef/0x3dc0 [ 152.838804] ? find_held_lock+0x35/0x1d0 executing program [ 152.842871] ? __might_fault+0x110/0x1d0 [ 152.846931] ? lock_downgrade+0x990/0x990 [ 152.851074] ? lock_release+0xa40/0xa40 [ 152.855070] ? check_same_owner+0x320/0x320 [ 152.859388] ? clear_huge_page+0x140/0x3a0 [ 152.863621] ? __might_sleep+0x95/0x190 [ 152.867594] ? kasan_check_write+0x14/0x20 [ 152.871820] ? _copy_from_user+0x99/0x110 [ 152.875963] kvm_vm_ioctl+0x1079/0x1c40 [ 152.879934] ? kvm_set_memory_region+0x50/0x50 [ 152.884507] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 152.889688] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 152.894873] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 152.900063] ? check_noncircular+0x20/0x20 [ 152.904308] ? find_held_lock+0x35/0x1d0 [ 152.908367] ? __fget+0x333/0x570 [ 152.911812] ? lock_downgrade+0x990/0x990 [ 152.915952] ? lock_release+0xa40/0xa40 [ 152.919919] ? __lock_is_held+0xb6/0x140 [ 152.923978] ? __fget+0x35c/0x570 [ 152.927429] ? iterate_fd+0x3f0/0x3f0 [ 152.931281] ? handle_mm_fault+0x23e/0x940 [ 152.935512] ? find_held_lock+0x35/0x1d0 [ 152.939567] ? kvm_set_memory_region+0x50/0x50 [ 152.944206] do_vfs_ioctl+0x1b1/0x1520 [ 152.948087] ? __do_page_fault+0x51b/0xb60 [ 152.952347] ? ioctl_preallocate+0x2b0/0x2b0 [ 152.956749] ? selinux_capable+0x40/0x40 [ 152.960806] ? __handle_mm_fault+0x3810/0x3810 [ 152.965378] ? vmacache_find+0x61/0x270 [ 152.969479] ? security_file_ioctl+0x7d/0xb0 [ 152.973877] ? security_file_ioctl+0x89/0xb0 [ 152.978279] SyS_ioctl+0x8f/0xc0 [ 152.981650] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 152.986418] RIP: 0033:0x44a999 [ 152.989595] RSP: 002b:00007fa51cc29d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 152.997295] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044a999 [ 153.004553] RDX: 0000000020025fe0 RSI: 000000004020ae76 RDI: 0000000000000333 [ 153.011813] RBP: 0000000000000086 R08: 00007fa51cc2a700 R09: 00007fa51cc2a700 [ 153.019201] R10: 00007fa51cc2a700 R11: 0000000000000246 R12: 0000000000000000 [ 153.026462] R13: 00007ffe0eeab99f R14: 00007fa51cc2a9c0 R15: 0000000000000000 [ 153.034044] Dumping ftrace buffer: [ 153.037579] (ftrace buffer empty) [ 153.041313] Kernel Offset: disabled [ 153.044920] Rebooting in 86400 seconds..