INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes [ 534.743600] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.5' (ECDSA) to the list of known hosts. [ 540.335063] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program executing program executing program executing program [ 540.430986] audit: type=1400 audit(1543725139.809:7): avc: denied { map } for pid=1886 comm="syz-executor277" path="/root/syz-executor277109907" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 609.930545] random: crng init done executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 624.797919] ================================================================== [ 624.805528] BUG: KASAN: use-after-free in disk_unblock_events+0x4b/0x50 [ 624.812253] Read of size 8 at addr ffff8881d27c3868 by task syz-executor277/14346 [ 624.819842] [ 624.821448] CPU: 1 PID: 14346 Comm: syz-executor277 Not tainted 4.14.85+ #15 [ 624.828605] Call Trace: [ 624.831186] dump_stack+0xb9/0x11b [ 624.834706] print_address_description+0x60/0x22b [ 624.839694] kasan_report.cold.6+0x11b/0x2dd [ 624.844102] ? disk_unblock_events+0x4b/0x50 [ 624.848495] disk_unblock_events+0x4b/0x50 [ 624.852723] __blkdev_get+0x68f/0xe50 [ 624.856509] ? __blkdev_put+0x6e0/0x6e0 [ 624.860572] ? check_preemption_disabled+0x34/0x1e0 [ 624.865690] ? fsnotify+0x773/0x1200 [ 624.869393] blkdev_get+0x97/0x8c0 [ 624.872916] ? bd_may_claim+0xe0/0xe0 [ 624.876698] ? bd_acquire+0x171/0x2c0 [ 624.880481] ? lock_downgrade+0x560/0x560 [ 624.884608] ? lock_acquire+0x10f/0x380 [ 624.888559] ? bd_acquire+0x21/0x2c0 [ 624.892258] blkdev_open+0x1bd/0x240 [ 624.895955] ? security_file_open+0x88/0x190 [ 624.900345] do_dentry_open+0x426/0xda0 [ 624.904294] ? bd_acquire+0x2c0/0x2c0 [ 624.908073] vfs_open+0x11c/0x210 [ 624.911522] path_openat+0x5f9/0x2930 [ 624.915322] ? path_mountpoint+0x9a0/0x9a0 [ 624.919533] ? kasan_kmalloc.part.1+0x4f/0xd0 [ 624.924127] ? trace_hardirqs_on+0x10/0x10 [ 624.928351] do_filp_open+0x197/0x270 [ 624.932177] ? may_open_dev+0xd0/0xd0 [ 624.935971] ? _raw_spin_unlock+0x29/0x40 [ 624.940114] do_sys_open+0x2ef/0x580 [ 624.943804] ? filp_open+0x60/0x60 [ 624.947317] ? lock_downgrade+0x560/0x560 [ 624.951438] ? lock_acquire+0x10f/0x380 [ 624.955391] ? finish_task_switch+0x1bd/0x610 [ 624.959905] ? _raw_spin_unlock_irq+0x24/0x50 [ 624.964386] ? do_syscall_64+0x43/0x4b0 [ 624.969125] ? do_sys_open+0x580/0x580 [ 624.973003] do_syscall_64+0x19b/0x4b0 [ 624.976877] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 624.982040] RIP: 0033:0x405611 [ 624.985208] RSP: 002b:00007fd5840d4970 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 624.992891] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000405611 [ 625.000154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fd5840d4980 [ 625.007465] RBP: 6666666666666667 R08: 000000000000000f R09: 00007fd5840d5700 [ 625.014718] R10: 00007fd5840d59d0 R11: 0000000000000293 R12: 0000000000000000 [ 625.022065] R13: 6f6f6c2f7665642f R14: 6f72746e6f632d70 R15: 00000000006dbc40 [ 625.029327] [ 625.030933] Allocated by task 14336: [ 625.034628] kasan_kmalloc.part.1+0x4f/0xd0 [ 625.038933] kmem_cache_alloc_trace+0x138/0x300 [ 625.043602] alloc_disk_node+0x5f/0x3b0 [ 625.047557] loop_add+0x3e9/0x840 [ 625.050986] loop_control_ioctl+0x12e/0x310 [ 625.055290] do_vfs_ioctl+0x1a0/0x1030 [ 625.059202] SyS_ioctl+0x7e/0xb0 [ 625.062553] do_syscall_64+0x19b/0x4b0 [ 625.066426] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 625.071590] [ 625.073195] Freed by task 14346: [ 625.076536] kasan_slab_free+0xac/0x190 [ 625.080483] kfree+0xf5/0x310 [ 625.083599] device_release+0xf4/0x1a0 [ 625.087477] kobject_put+0x146/0x200 [ 625.091172] put_disk+0x1f/0x30 [ 625.094427] __blkdev_get+0x5fa/0xe50 [ 625.098201] blkdev_get+0x97/0x8c0 [ 625.101734] blkdev_open+0x1bd/0x240 [ 625.105447] do_dentry_open+0x426/0xda0 [ 625.109558] vfs_open+0x11c/0x210 [ 625.112989] path_openat+0x5f9/0x2930 [ 625.116760] do_filp_open+0x197/0x270 [ 625.120534] do_sys_open+0x2ef/0x580 [ 625.124221] do_syscall_64+0x19b/0x4b0 [ 625.128088] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 625.133250] [ 625.134852] The buggy address belongs to the object at ffff8881d27c3300 [ 625.134852] which belongs to the cache kmalloc-2048 of size 2048 [ 625.147790] The buggy address is located 1384 bytes inside of [ 625.147790] 2048-byte region [ffff8881d27c3300, ffff8881d27c3b00) [ 625.159810] The buggy address belongs to the page: [ 625.164710] page:ffffea000749f000 count:1 mapcount:0 mapping: (null) index:0xffff8881d27c2a80 compound_mapcount: 0 [ 625.175965] flags: 0x4000000000008100(slab|head) [ 625.180697] raw: 4000000000008100 0000000000000000 ffff8881d27c2a80 00000001000f000d [ 625.188613] raw: ffffea0007452a20 ffffea0007468220 ffff8881d6402800 0000000000000000 [ 625.196573] page dumped because: kasan: bad access detected [ 625.202386] [ 625.203989] Memory state around the buggy address: [ 625.208891] ffff8881d27c3700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 625.216324] ffff8881d27c3780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 625.223677] >ffff8881d27c3800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 625.231122] ^ [ 625.237850] ffff8881d27c3880: 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 [ 625.245184] ffff8881d27c3900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 625.252516] ================================================================== [ 625.259930] Disabling lock debugging due to kernel taint [ 625.272364] Kernel panic - not syncing: panic_on_warn set ... [ 625.272364] [ 625.279824] CPU: 1 PID: 14346 Comm: syz-executor277 Tainted: G B 4.14.85+ #15 [ 625.288204] Call Trace: [ 625.290771] dump_stack+0xb9/0x11b [ 625.294300] panic+0x1bf/0x3a4 executing program executing program executing program executing program executing program [ 625.297568] ? add_taint.cold.4+0x16/0x16 [ 625.301703] ? ___preempt_schedule+0x16/0x18 [ 625.306196] kasan_end_report+0x43/0x49 [ 625.310159] kasan_report.cold.6+0x77/0x2dd [ 625.314488] ? disk_unblock_events+0x4b/0x50 [ 625.318874] disk_unblock_events+0x4b/0x50 [ 625.323083] __blkdev_get+0x68f/0xe50 [ 625.326864] ? __blkdev_put+0x6e0/0x6e0 [ 625.330833] ? check_preemption_disabled+0x34/0x1e0 [ 625.335894] ? fsnotify+0x773/0x1200 [ 625.339593] blkdev_get+0x97/0x8c0 [ 625.343112] ? bd_may_claim+0xe0/0xe0 executing program executing program executing program executing program executing program [ 625.346887] ? bd_acquire+0x171/0x2c0 [ 625.350691] ? lock_downgrade+0x560/0x560 [ 625.354815] ? lock_acquire+0x10f/0x380 [ 625.358832] ? bd_acquire+0x21/0x2c0 [ 625.362532] blkdev_open+0x1bd/0x240 [ 625.366223] ? security_file_open+0x88/0x190 [ 625.370741] do_dentry_open+0x426/0xda0 [ 625.374693] ? bd_acquire+0x2c0/0x2c0 [ 625.378467] vfs_open+0x11c/0x210 [ 625.381894] path_openat+0x5f9/0x2930 [ 625.385674] ? path_mountpoint+0x9a0/0x9a0 [ 625.390113] ? kasan_kmalloc.part.1+0x4f/0xd0 [ 625.394585] ? trace_hardirqs_on+0x10/0x10 executing program executing program executing program executing program [ 625.398800] do_filp_open+0x197/0x270 [ 625.402573] ? may_open_dev+0xd0/0xd0 [ 625.406431] ? _raw_spin_unlock+0x29/0x40 [ 625.410562] do_sys_open+0x2ef/0x580 [ 625.414251] ? filp_open+0x60/0x60 [ 625.417765] ? lock_downgrade+0x560/0x560 [ 625.421892] ? lock_acquire+0x10f/0x380 [ 625.425921] ? finish_task_switch+0x1bd/0x610 [ 625.430396] ? _raw_spin_unlock_irq+0x24/0x50 [ 625.434865] ? do_syscall_64+0x43/0x4b0 [ 625.438812] ? do_sys_open+0x580/0x580 [ 625.442670] do_syscall_64+0x19b/0x4b0 executing program executing program executing program executing program executing program [ 625.446538] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 625.451702] RIP: 0033:0x405611 [ 625.455057] RSP: 002b:00007fd5840d4970 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 625.462773] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000405611 [ 625.470023] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fd5840d4980 [ 625.477266] RBP: 6666666666666667 R08: 000000000000000f R09: 00007fd5840d5700 [ 625.484513] R10: 00007fd5840d59d0 R11: 0000000000000293 R12: 0000000000000000 [ 625.491761] R13: 6f6f6c2f7665642f R14: 6f72746e6f632d70 R15: 00000000006dbc40 [ 625.499299] Kernel Offset: 0x1e000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 625.510275] Rebooting in 86400 seconds..