[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 9.874138] random: sshd: uninitialized urandom read (32 bytes read) [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 27.088243] random: sshd: uninitialized urandom read (32 bytes read) [ 27.097969] random: crng init done Warning: Permanently added '10.128.0.37' (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 [ 75.553328] ================================================================== [ 75.560706] BUG: KASAN: use-after-free in disk_unblock_events+0x51/0x60 [ 75.567451] Read of size 8 at addr ffff8801c6322760 by task blkid/4379 [ 75.574086] [ 75.575691] CPU: 0 PID: 4379 Comm: blkid Not tainted 4.9.133+ #8 [ 75.581807] ffff8801c5d6f6f8 ffffffff81b37069 ffffea000718c800 ffff8801c6322760 [ 75.589853] 0000000000000000 ffff8801c6322760 0000000000000000 ffff8801c5d6f730 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 75.597842] ffffffff81500a0d ffff8801c6322760 0000000000000008 0000000000000000 [ 75.605833] Call Trace: [ 75.608398] [] dump_stack+0xc1/0x128 [ 75.613740] [] print_address_description+0x6c/0x234 [ 75.620377] [] kasan_report.cold.6+0x242/0x2fe [ 75.626586] [] ? disk_unblock_events+0x51/0x60 [ 75.632791] [] __asan_report_load8_noabort+0x14/0x20 [ 75.639515] [] disk_unblock_events+0x51/0x60 [ 75.645543] [] __blkdev_get+0x6b6/0xd60 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 75.651137] [] ? __blkdev_put+0x840/0x840 [ 75.656904] [] ? fsnotify+0x114/0x1100 [ 75.662415] [] blkdev_get+0x2da/0x920 [ 75.667838] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 75.674558] [] ? bd_may_claim+0xd0/0xd0 [ 75.680150] [] ? bd_acquire+0x27/0x250 [ 75.685659] [] ? bd_acquire+0x88/0x250 [ 75.691169] [] ? _raw_spin_unlock+0x2c/0x50 [ 75.697108] [] blkdev_open+0x1a5/0x250 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 75.702624] [] do_dentry_open+0x3ef/0xc90 [ 75.708396] [] ? blkdev_get_by_dev+0x70/0x70 [ 75.714428] [] vfs_open+0x11c/0x210 [ 75.719791] [] ? may_open.isra.20+0x14f/0x2a0 [ 75.725916] [] path_openat+0x542/0x2790 [ 75.731526] [] ? path_mountpoint+0x6c0/0x6c0 [ 75.737576] [] ? trace_hardirqs_on+0x10/0x10 [ 75.743615] [] ? expand_files.part.3+0x3a9/0x6d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 75.749995] [] do_filp_open+0x197/0x270 [ 75.755764] [] ? may_open_dev+0xe0/0xe0 [ 75.761363] [] ? _raw_spin_unlock+0x2c/0x50 [ 75.767306] [] ? __alloc_fd+0x1d7/0x4a0 [ 75.772904] [] do_sys_open+0x30d/0x5c0 [ 75.778414] [] ? filp_open+0x70/0x70 [ 75.783748] [] ? up_read+0x1a/0x40 [ 75.788909] [] SyS_open+0x2d/0x40 [ 75.794024] [] ? do_sys_open+0x5c0/0x5c0 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 75.799720] [] do_syscall_64+0x19f/0x550 [ 75.805409] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 75.812327] [ 75.813933] Allocated by task 4364: [ 75.817539] save_stack_trace+0x16/0x20 [ 75.821485] kasan_kmalloc.part.1+0x62/0xf0 [ 75.825781] kasan_kmalloc+0xaf/0xc0 [ 75.829470] kmem_cache_alloc_trace+0x117/0x2e0 [ 75.834112] alloc_disk_node+0x54/0x3a0 [ 75.838064] alloc_disk+0x18/0x20 [ 75.841493] loop_add+0x368/0x7a0 [ 75.844918] loop_control_ioctl+0x136/0x300 [ 75.849215] compat_SyS_ioctl+0x12d/0x1fd0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 75.853423] do_fast_syscall_32+0x2f1/0xa10 [ 75.857731] entry_SYSENTER_compat+0x90/0xa2 [ 75.862113] [ 75.863712] Freed by task 4379: [ 75.866975] save_stack_trace+0x16/0x20 [ 75.870920] kasan_slab_free+0xac/0x190 [ 75.874864] kfree+0xfb/0x310 [ 75.877944] disk_release+0x259/0x330 [ 75.881723] device_release+0x7e/0x220 [ 75.885581] kobject_put+0x148/0x250 [ 75.889268] put_disk+0x23/0x30 [ 75.892520] __blkdev_get+0x616/0xd60 [ 75.896290] blkdev_get+0x2da/0x920 [ 75.899889] blkdev_open+0x1a5/0x250 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 75.903578] do_dentry_open+0x3ef/0xc90 [ 75.907525] vfs_open+0x11c/0x210 [ 75.910949] path_openat+0x542/0x2790 [ 75.914725] do_filp_open+0x197/0x270 [ 75.918499] do_sys_open+0x30d/0x5c0 [ 75.922188] SyS_open+0x2d/0x40 [ 75.925468] do_syscall_64+0x19f/0x550 [ 75.929325] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 75.934400] [ 75.936005] The buggy address belongs to the object at ffff8801c6322200 [ 75.936005] which belongs to the cache kmalloc-2048 of size 2048 [ 75.948860] The buggy address is located 1376 bytes inside of executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 75.948860] 2048-byte region [ffff8801c6322200, ffff8801c6322a00) [ 75.960890] The buggy address belongs to the page: [ 75.965794] page:ffffea000718c800 count:1 mapcount:0 mapping: (null) index:0xffff8801c6321100 compound_mapcount: 0 [ 75.977272] flags: 0x4000000000004080(slab|head) [ 75.981997] page dumped because: kasan: bad access detected [ 75.987674] [ 75.989274] Memory state around the buggy address: [ 75.994212] ffff8801c6322600: 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 76.001618] ffff8801c6322680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 76.008960] >ffff8801c6322700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 76.016290] ^ [ 76.022753] ffff8801c6322780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 76.030086] ffff8801c6322800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 76.037478] ================================================================== [ 76.044815] Disabling lock debugging due to kernel taint executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 76.053870] Kernel panic - not syncing: panic_on_warn set ... [ 76.053870] [ 76.061225] CPU: 0 PID: 4379 Comm: blkid Tainted: G B 4.9.133+ #8 [ 76.068556] ffff8801c5d6f658 ffffffff81b37069 ffffffff82e359a0 00000000ffffffff [ 76.076542] 0000000000000000 0000000000000000 0000000000000000 ffff8801c5d6f718 [ 76.084523] ffffffff813f6a45 0000000041b58ab3 ffffffff82e299a3 ffffffff813f6886 [ 76.092500] Call Trace: [ 76.095060] [] dump_stack+0xc1/0x128 [ 76.100397] [] panic+0x1bf/0x39f executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 76.105395] [] ? add_taint.cold.6+0x16/0x16 [ 76.111353] [] ? ___preempt_schedule+0x16/0x18 [ 76.117556] [] kasan_end_report+0x47/0x4f [ 76.123325] [] kasan_report.cold.6+0x76/0x2fe [ 76.129443] [] ? disk_unblock_events+0x51/0x60 [ 76.135645] [] __asan_report_load8_noabort+0x14/0x20 [ 76.142368] [] disk_unblock_events+0x51/0x60 [ 76.148399] [] __blkdev_get+0x6b6/0xd60 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 76.153998] [] ? __blkdev_put+0x840/0x840 [ 76.159767] [] ? fsnotify+0x114/0x1100 [ 76.165276] [] blkdev_get+0x2da/0x920 [ 76.170923] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 76.177652] [] ? bd_may_claim+0xd0/0xd0 [ 76.183250] [] ? bd_acquire+0x27/0x250 [ 76.188761] [] ? bd_acquire+0x88/0x250 [ 76.194268] [] ? _raw_spin_unlock+0x2c/0x50 [ 76.200209] [] blkdev_open+0x1a5/0x250 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 76.205722] [] do_dentry_open+0x3ef/0xc90 [ 76.211521] [] ? blkdev_get_by_dev+0x70/0x70 [ 76.217657] [] vfs_open+0x11c/0x210 [ 76.223008] [] ? may_open.isra.20+0x14f/0x2a0 [ 76.229127] [] path_openat+0x542/0x2790 [ 76.234727] [] ? path_mountpoint+0x6c0/0x6c0 [ 76.240758] [] ? trace_hardirqs_on+0x10/0x10 [ 76.246793] [] ? expand_files.part.3+0x3a9/0x6d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 76.253172] [] do_filp_open+0x197/0x270 [ 76.258780] [] ? may_open_dev+0xe0/0xe0 [ 76.264381] [] ? _raw_spin_unlock+0x2c/0x50 [ 76.270328] [] ? __alloc_fd+0x1d7/0x4a0 [ 76.275930] [] do_sys_open+0x30d/0x5c0 [ 76.281448] [] ? filp_open+0x70/0x70 [ 76.286790] [] ? up_read+0x1a/0x40 [ 76.291951] [] SyS_open+0x2d/0x40 [ 76.297088] [] ? do_sys_open+0x5c0/0x5c0 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 [ 76.302776] [] do_syscall_64+0x19f/0x550 [ 76.308467] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 76.315626] Kernel Offset: disabled [ 76.319232] Rebooting in 86400 seconds..