[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 10.270947] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 11.577007] random: crng init done Warning: Permanently added '10.128.0.45' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.702967] ================================================================== [ 51.704288] BUG: KASAN: use-after-free in disk_unblock_events+0x51/0x60 [ 51.705288] Read of size 8 at addr ffff8801d01373e0 by task blkid/5413 [ 51.706259] [ 51.706683] CPU: 1 PID: 5413 Comm: blkid Not tainted 4.9.128+ #46 [ 51.707708] ffff8801d61476f8 ffffffff81b2b9e9 ffffea0007404c00 ffff8801d01373e0 [ 51.708996] 0000000000000000 ffff8801d01373e0 0000000000000000 ffff8801d6147730 [ 51.710351] ffffffff8150061d ffff8801d01373e0 0000000000000008 0000000000000000 [ 51.711858] Call Trace: [ 51.712279] [] dump_stack+0xc1/0x128 [ 51.713054] [] print_address_description+0x6c/0x234 [ 51.714250] [] kasan_report.cold.6+0x242/0x2fe [ 51.715225] [] ? disk_unblock_events+0x51/0x60 [ 51.716156] [] __asan_report_load8_noabort+0x14/0x20 [ 51.717126] [] disk_unblock_events+0x51/0x60 [ 51.718223] [] __blkdev_get+0x6b6/0xd60 [ 51.719018] [] ? __blkdev_put+0x840/0x840 [ 51.719873] [] ? fsnotify+0x114/0x1100 [ 51.720643] [] blkdev_get+0x2da/0x920 [ 51.721397] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 51.722316] [] ? bd_may_claim+0xd0/0xd0 [ 51.723100] [] ? bd_acquire+0x27/0x250 [ 51.728608] [] ? bd_acquire+0x88/0x250 [ 51.734129] [] ? _raw_spin_unlock+0x2c/0x50 [ 51.740074] [] blkdev_open+0x1a5/0x250 [ 51.745589] [] do_dentry_open+0x3ef/0xc90 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.751374] [] ? blkdev_get_by_dev+0x70/0x70 [ 51.757411] [] vfs_open+0x11c/0x210 [ 51.762774] [] ? may_open.isra.20+0x14f/0x2a0 [ 51.768896] [] path_openat+0x542/0x2790 [ 51.774495] [] ? path_mountpoint+0x6c0/0x6c0 [ 51.780535] [] ? trace_hardirqs_on+0x10/0x10 [ 51.786570] [] ? expand_files.part.3+0x3a9/0x6d0 [ 51.792953] [] do_filp_open+0x197/0x270 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.798554] [] ? may_open_dev+0xe0/0xe0 [ 51.804151] [] ? _raw_spin_unlock+0x2c/0x50 [ 51.810097] [] ? __alloc_fd+0x1d7/0x4a0 [ 51.815701] [] do_sys_open+0x30d/0x5c0 [ 51.821220] [] ? filp_open+0x70/0x70 [ 51.826564] [] ? up_read+0x1a/0x40 [ 51.831737] [] SyS_open+0x2d/0x40 [ 51.836812] [] ? do_sys_open+0x5c0/0x5c0 [ 51.842508] [] do_syscall_64+0x19f/0x550 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.848199] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 51.855110] [ 51.856712] Allocated by task 5400: [ 51.860437] save_stack_trace+0x16/0x20 [ 51.864389] kasan_kmalloc.part.1+0x62/0xf0 [ 51.868683] kasan_kmalloc+0xaf/0xc0 [ 51.872376] kmem_cache_alloc_trace+0x117/0x2e0 [ 51.877020] alloc_disk_node+0x54/0x3a0 [ 51.880966] alloc_disk+0x18/0x20 [ 51.884401] loop_add+0x33b/0x770 [ 51.887829] loop_probe+0x14f/0x180 [ 51.891431] kobj_lookup+0x223/0x410 [ 51.895208] get_gendisk+0x39/0x2d0 [ 51.898814] __blkdev_get+0x351/0xd60 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.902590] blkdev_get+0x488/0x920 [ 51.906311] blkdev_open+0x1a5/0x250 [ 51.910000] do_dentry_open+0x3ef/0xc90 [ 51.913949] vfs_open+0x11c/0x210 [ 51.917376] path_openat+0x542/0x2790 [ 51.921155] do_filp_open+0x197/0x270 [ 51.924935] do_sys_open+0x30d/0x5c0 [ 51.928631] compat_SyS_open+0x2a/0x40 [ 51.932511] do_fast_syscall_32+0x2f1/0xa10 [ 51.936812] entry_SYSENTER_compat+0x90/0xa2 [ 51.941190] [ 51.942791] Freed by task 5413: [ 51.946055] save_stack_trace+0x16/0x20 [ 51.950114] kasan_slab_free+0xac/0x190 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.954065] kfree+0xfb/0x310 [ 51.957152] disk_release+0x259/0x330 [ 51.960930] device_release+0x7e/0x220 [ 51.964793] kobject_put+0x148/0x250 [ 51.968479] put_disk+0x23/0x30 [ 51.971811] __blkdev_get+0x616/0xd60 [ 51.975602] blkdev_get+0x2da/0x920 [ 51.979249] blkdev_open+0x1a5/0x250 [ 51.982948] do_dentry_open+0x3ef/0xc90 [ 51.986898] vfs_open+0x11c/0x210 [ 51.990327] path_openat+0x542/0x2790 [ 51.994103] do_filp_open+0x197/0x270 [ 51.997882] do_sys_open+0x30d/0x5c0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 52.001576] SyS_open+0x2d/0x40 [ 52.004829] do_syscall_64+0x19f/0x550 [ 52.008691] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 52.013762] [ 52.015363] The buggy address belongs to the object at ffff8801d0136e80 [ 52.015363] which belongs to the cache kmalloc-2048 of size 2048 [ 52.028169] The buggy address is located 1376 bytes inside of [ 52.028169] 2048-byte region [ffff8801d0136e80, ffff8801d0137680) [ 52.040191] The buggy address belongs to the page: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 52.045095] page:ffffea0007404c00 count:1 mapcount:0 mapping: (null) index:0xffff8801d0137700 compound_mapcount: 0 [ 52.056580] flags: 0x4000000000004080(slab|head) [ 52.061304] page dumped because: kasan: bad access detected [ 52.066987] [ 52.068587] Memory state around the buggy address: [ 52.073488] ffff8801d0137280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.080828] ffff8801d0137300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.088162] >ffff8801d0137380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.095508] ^ executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 52.101975] ffff8801d0137400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.109305] ffff8801d0137480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.116638] ================================================================== [ 52.123972] Disabling lock debugging due to kernel taint [ 52.132280] Kernel panic - not syncing: panic_on_warn set ... [ 52.132280] [ 52.139632] CPU: 1 PID: 5413 Comm: blkid Tainted: G B 4.9.128+ #46 [ 52.147054] ffff8801d6147658 ffffffff81b2b9e9 ffffffff82e349c0 00000000ffffffff executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 52.155052] 0000000000000000 0000000000000001 0000000000000000 ffff8801d6147718 [ 52.163038] ffffffff813f6665 0000000041b58ab3 ffffffff82e289c3 ffffffff813f64a6 [ 52.171097] Call Trace: [ 52.173669] [] dump_stack+0xc1/0x128 [ 52.179012] [] panic+0x1bf/0x39f [ 52.184115] [] ? add_taint.cold.6+0x16/0x16 [ 52.190170] [] ? ___preempt_schedule+0x16/0x18 [ 52.196385] [] kasan_end_report+0x47/0x4f executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 52.202157] [] kasan_report.cold.6+0x76/0x2fe [ 52.208279] [] ? disk_unblock_events+0x51/0x60 [ 52.214508] [] __asan_report_load8_noabort+0x14/0x20 [ 52.221234] [] disk_unblock_events+0x51/0x60 [ 52.227265] [] __blkdev_get+0x6b6/0xd60 [ 52.232876] [] ? __blkdev_put+0x840/0x840 [ 52.238666] [] ? fsnotify+0x114/0x1100 [ 52.244176] [] blkdev_get+0x2da/0x920 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 52.249607] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 52.256335] [] ? bd_may_claim+0xd0/0xd0 [ 52.262039] [] ? bd_acquire+0x27/0x250 [ 52.267657] [] ? bd_acquire+0x88/0x250 [ 52.273176] [] ? _raw_spin_unlock+0x2c/0x50 [ 52.279125] [] blkdev_open+0x1a5/0x250 [ 52.284640] [] do_dentry_open+0x3ef/0xc90 [ 52.290417] [] ? blkdev_get_by_dev+0x70/0x70 [ 52.296454] [] vfs_open+0x11c/0x210 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 52.301709] [] ? may_open.isra.20+0x14f/0x2a0 [ 52.307829] [] path_openat+0x542/0x2790 [ 52.313428] [] ? path_mountpoint+0x6c0/0x6c0 [ 52.319460] [] ? trace_hardirqs_on+0x10/0x10 [ 52.325491] [] ? expand_files.part.3+0x3a9/0x6d0 [ 52.331984] [] do_filp_open+0x197/0x270 [ 52.337690] [] ? may_open_dev+0xe0/0xe0 [ 52.343289] [] ? _raw_spin_unlock+0x2c/0x50 [ 52.349242] [] ? __alloc_fd+0x1d7/0x4a0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 52.354847] [] do_sys_open+0x30d/0x5c0 [ 52.360359] [] ? filp_open+0x70/0x70 [ 52.365703] [] ? up_read+0x1a/0x40 [ 52.370875] [] SyS_open+0x2d/0x40 [ 52.375957] [] ? do_sys_open+0x5c0/0x5c0 [ 52.381657] [] do_syscall_64+0x19f/0x550 [ 52.387346] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 52.394578] Kernel Offset: disabled [ 52.398181] Rebooting in 86400 seconds..