[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 10.332110] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 11.046978] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.124' (ECDSA) to the list of known hosts. RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist Cannot find device "veth0_to_bridge" Error: argument "bridge0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist Cannot find device "veth0_to_bridge" Cannot find device "veth1_to_bridge" Error: argument "bridge0" is wrong: Device does not exist Cannot find device "veth1_to_bridge" Cannot find device "veth0_to_bridge" Cannot find device "veth0_to_bridge" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist Cannot find device "veth1_to_bridge" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "veth0_to_bridge" RTNETLINK answers: Operation not supported Cannot find device "veth1_to_bridge" RTNETLINK answers: Operation not supported Cannot find device "veth0_to_bridge" Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist Cannot find device "veth1_to_bridge" RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Cannot find device "veth1_to_bridge" Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Cannot find device "veth0_to_bond" RTNETLINK answers: Operation not supported Cannot find device "veth0_to_bond" RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist Cannot find device "veth1_to_bond" Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth0_to_bond" Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist Cannot find device "veth1_to_bond" RTNETLINK answers: Operation not supported Cannot find device "veth1_to_bond" Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "veth0_to_bond" RTNETLINK answers: Operation not supported Cannot find device "veth0_to_bond" Error: argument "team0" is wrong: Device does not exist RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "veth1_to_bond" Cannot find device "veth1_to_bond" RTNETLINK answers: Operation not supported Error: argument "team0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Cannot find device "veth0_to_team" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "team0" is wrong: Device does not exist Cannot find device "veth1_to_team" Error: argument "team0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "team0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge_slave_0" Error: argument "team0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Cannot find device "veth0_to_team" Cannot find device "veth0_to_team" Cannot find device "veth0_to_team" Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge_slave_1" Cannot find device "veth1_to_team" Error: argument "team0" is wrong: Device does not exist Cannot find device "veth0_to_team" Cannot find device "veth1_to_team" Cannot find device "veth0_to_team" Cannot find device "bridge_slave_0" Cannot find device "veth1_to_team" Cannot find device "bridge_slave_0" Cannot find device "veth1_to_team" Cannot find device "veth1_to_team" Cannot find device "bridge_slave_0" Cannot find device "bridge_slave_0" Cannot find device "bridge_slave_1" Cannot find device "bridge_slave_0" Cannot find device "bridge_slave_1" Cannot find device "bridge_slave_1" Cannot find device "bridge_slave_1" RTNETLINK answers: Operation not supported Cannot find device "bridge_slave_1" Cannot find device "bridge0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "tunl0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "tunl0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "tunl0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "tunl0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "tunl0" Cannot find device "gre0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "gre0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "gre0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "gre0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "gre0" Cannot find device "tunl0" Cannot find device "gretap0" Cannot find device "tunl0" Cannot find device "gre0" Cannot find device "tunl0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" RTNETLINK answers: Operation not supported Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" RTNETLINK answers: Invalid argument Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" RTNETLINK answers: Operation not supported Cannot find device "gretap0" RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument Cannot find device "gretap0" RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "ip6gre0" RTNETLINK answers: Invalid argument Cannot find device "ip6gre0" RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument Cannot find device "ip6gre0" RTNETLINK answers: Invalid argument Cannot find device "ip6gre0" RTNETLINK answers: Invalid argument Cannot find device "ip6gre0" Cannot find device "ip6gretap0" RTNETLINK answers: Invalid argument Cannot find device "ip6gre0" RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "bond0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "bond0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "veth0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "veth0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "veth0" Cannot find device "bond0" Cannot find device "veth0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "veth0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "veth0" Cannot find device "bond0" Cannot find device "veth1" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "veth1" Cannot find device "bond0" Cannot find device "veth0" Cannot find device "bond0" Cannot find device "veth0" Cannot find device "bond0" Cannot find device "veth1" Cannot find device "bond0" Cannot find device "veth0" Cannot find device "bond0" Cannot find device "veth1" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "veth1" Cannot find device "veth0" Cannot find device "bond0" Cannot find device "veth0" Cannot find device "veth1" Cannot find device "team0" Cannot find device "veth0" Cannot find device "veth0" Cannot find device "bond0" Cannot find device "veth1" Cannot find device "veth0" Cannot find device "team0" Cannot find device "veth0" Cannot find device "veth0" Cannot find device "veth0" Cannot find device "team0" Cannot find device "veth1" Cannot find device "veth1" Cannot find device "veth0" Cannot find device "veth0" Cannot find device "veth0" Cannot find device "team0" Cannot find device "veth0" Cannot find device "veth1" Cannot find device "veth0" Cannot find device "team0" Cannot find device "veth0" Cannot find device "veth0_to_bridge" Cannot find device "veth0" Cannot find device "veth0_to_bridge" Cannot find device "team0" Cannot find device "veth1" Cannot find device "veth1" Cannot find device "veth1" Cannot find device "veth0_to_bridge" Cannot find device "veth1" Cannot find device "veth1" Cannot find device "veth1" Cannot find device "team0" Cannot find device "veth0_to_bridge" Cannot find device "team0" Cannot find device "veth1" Cannot find device "team0" Cannot find device "veth1" Cannot find device "veth1" Cannot find device "veth0_to_bridge" Cannot find device "veth1" Cannot find device "team0" Cannot find device "veth1_to_bridge" Cannot find device "veth1" Cannot find device "veth0_to_bridge" Cannot find device "veth1" Cannot find device "veth1" Cannot find device "team0" Cannot find device "veth1" Cannot find device "veth1_to_bridge" Cannot find device "team0" Cannot find device "veth0_to_bridge" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "veth1_to_bridge" Cannot find device "team0" Cannot find device "team0" Cannot find device "veth0_to_bridge" Cannot find device "team0" Cannot find device "veth0_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "team0" Cannot find device "team0" Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bridge" Cannot find device "team0" Cannot find device "veth0_to_bridge" Cannot find device "veth0_to_bridge" Cannot find device "team0" Cannot find device "team0" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth0_to_bridge" Cannot find device "veth0_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth0_to_bridge" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_bridge" Cannot find device "veth0_to_bridge" Cannot find device "veth0_to_bridge" Cannot find device "veth0_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth0_to_bridge" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth1_to_bond" Cannot find device "veth0_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth0_to_bridge" Cannot find device "veth1_to_bond" Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bridge" Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bridge" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bridge" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_bridge" Cannot find device "veth1_to_bond" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_team" Cannot find device "veth1_to_bond" Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bridge" Cannot find device "veth0_to_team" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_team" Cannot find device "veth1_to_bond" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_team" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_team" Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth0_to_team" Cannot find device "veth1_to_bond" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_team" Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_team" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth0_to_team" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_team" Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_team" Cannot find device "veth1_to_team" Cannot find device "veth1_to_bond" Cannot find device "veth0_to_team" Cannot find device "veth1_to_bond" Cannot find device "veth0_to_team" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_team" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_team" Cannot find device "veth0_to_team" Cannot find device "veth0_to_team" Cannot find device "veth1_to_team" Cannot find device "veth0_to_team" syzkaller login: [ 51.099839] audit: type=1400 audit(1541055940.001:5): avc: denied { associate } for pid=2062 comm="syz-executor029" name="syz2" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 Cannot find device "veth1_to_bond" Cannot find device "veth0_to_team" Cannot find device "veth0_to_team" executing program Cannot find device "veth0_to_team" Cannot find device "veth1_to_team" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_team" Cannot find device "veth0_to_team" executing program executing program Cannot find device "veth0_to_team" Cannot find device "veth1_to_team" Cannot find device "veth0_to_team" Cannot find device "veth0_to_team" executing program Cannot find device "veth0_to_team" Cannot find device "veth0_to_team" Cannot find device "veth1_to_team" Cannot find device "veth1_to_team" executing program Cannot find device "veth1_to_team" Cannot find device "veth1_to_team" Cannot find device "veth1_to_team" Cannot find device "veth0_to_team" Cannot find device "veth1_to_team" executing program executing program Cannot find device "veth1_to_team" Cannot find device "veth0_to_team" Cannot find device "veth1_to_team" executing program Cannot find device "veth1_to_team" Cannot find device "veth1_to_team" Cannot find device "veth1_to_team" executing program Cannot find device "veth1_to_team" executing program Cannot find device "veth1_to_team" Cannot find device "veth1_to_team" executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 58.509130] ================================================================== [ 58.516537] BUG: KASAN: use-after-free in disk_unblock_events+0x51/0x60 [ 58.523282] Read of size 8 at addr ffff8801cdeb2760 by task blkid/5031 [ 58.529935] [ 58.531560] CPU: 0 PID: 5031 Comm: blkid Not tainted 4.9.135+ #113 [ 58.537867] ffff8801cc3376f8 ffffffff81b36bf9 ffffea000737ac00 ffff8801cdeb2760 [ 58.545933] 0000000000000000 ffff8801cdeb2760 0000000000000000 ffff8801cc337730 [ 58.554019] ffffffff815009ad ffff8801cdeb2760 0000000000000008 0000000000000000 [ 58.562089] Call Trace: [ 58.564677] [] dump_stack+0xc1/0x128 [ 58.570038] [] print_address_description+0x6c/0x234 [ 58.576697] [] kasan_report.cold.6+0x242/0x2fe [ 58.582928] [] ? disk_unblock_events+0x51/0x60 [ 58.589163] [] __asan_report_load8_noabort+0x14/0x20 [ 58.595913] [] disk_unblock_events+0x51/0x60 [ 58.601966] [] __blkdev_get+0x6b6/0xd60 [ 58.607589] [] ? __blkdev_put+0x840/0x840 [ 58.613384] [] ? fsnotify+0x114/0x1100 [ 58.618913] [] blkdev_get+0x2da/0x920 [ 58.624357] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 58.631114] [] ? bd_may_claim+0xd0/0xd0 [ 58.636731] [] ? bd_acquire+0x27/0x250 [ 58.642268] [] ? bd_acquire+0x88/0x250 [ 58.647852] [] ? _raw_spin_unlock+0x2c/0x50 [ 58.653818] [] blkdev_open+0x1a5/0x250 [ 58.659370] [] do_dentry_open+0x3ef/0xc90 [ 58.665167] [] ? blkdev_get_by_dev+0x70/0x70 [ 58.671218] [] vfs_open+0x11c/0x210 [ 58.676512] [] ? may_open.isra.20+0x14f/0x2a0 [ 58.682650] [] path_openat+0x542/0x2790 [ 58.688276] [] ? path_mountpoint+0x6c0/0x6c0 [ 58.694333] [] ? trace_hardirqs_on+0x10/0x10 [ 58.700390] [] ? expand_files.part.3+0x3a9/0x6d0 [ 58.707283] [] do_filp_open+0x197/0x270 [ 58.712902] [] ? may_open_dev+0xe0/0xe0 [ 58.718527] [] ? _raw_spin_unlock+0x2c/0x50 [ 58.724498] [] ? __alloc_fd+0x1d7/0x4a0 [ 58.730117] [] do_sys_open+0x30d/0x5c0 [ 58.735647] [] ? filp_open+0x70/0x70 [ 58.741006] [] ? up_read+0x1a/0x40 [ 58.746194] [] SyS_open+0x2d/0x40 [ 58.751310] [] ? do_sys_open+0x5c0/0x5c0 [ 58.757017] [] do_syscall_64+0x19f/0x550 [ 58.762727] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 58.769646] [ 58.771268] Allocated by task 5024: [ 58.774889] save_stack_trace+0x16/0x20 [ 58.778871] kasan_kmalloc.part.1+0x62/0xf0 [ 58.783190] kasan_kmalloc+0xaf/0xc0 [ 58.786901] kmem_cache_alloc_trace+0x117/0x2e0 [ 58.791567] alloc_disk_node+0x54/0x3a0 [ 58.795534] alloc_disk+0x18/0x20 [ 58.798981] loop_add+0x368/0x7a0 [ 58.803309] loop_control_ioctl+0x136/0x300 [ 58.807627] do_vfs_ioctl+0x1ac/0x11a0 [ 58.811510] SyS_ioctl+0x8f/0xc0 [ 58.814871] do_syscall_64+0x19f/0x550 [ 58.818751] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 58.823855] [ 58.825474] Freed by task 5031: [ 58.828751] save_stack_trace+0x16/0x20 [ 58.832719] kasan_slab_free+0xac/0x190 [ 58.836692] kfree+0xfb/0x310 [ 58.839794] disk_release+0x259/0x330 [ 58.843594] device_release+0x7e/0x220 [ 58.847479] kobject_put+0x148/0x250 [ 58.851192] put_disk+0x23/0x30 [ 58.854465] __blkdev_get+0x616/0xd60 [ 58.858259] blkdev_get+0x2da/0x920 [ 58.861885] blkdev_open+0x1a5/0x250 [ 58.865596] do_dentry_open+0x3ef/0xc90 [ 58.869565] vfs_open+0x11c/0x210 [ 58.873018] path_openat+0x542/0x2790 [ 58.876814] do_filp_open+0x197/0x270 [ 58.880625] do_sys_open+0x30d/0x5c0 [ 58.884330] SyS_open+0x2d/0x40 [ 58.887601] do_syscall_64+0x19f/0x550 [ 58.891488] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 58.896577] [ 58.898199] The buggy address belongs to the object at ffff8801cdeb2200 [ 58.898199] which belongs to the cache kmalloc-2048 of size 2048 [ 58.911020] The buggy address is located 1376 bytes inside of [ 58.911020] 2048-byte region [ffff8801cdeb2200, ffff8801cdeb2a00) [ 58.923059] The buggy address belongs to the page: [ 58.927981] page:ffffea000737ac00 count:1 mapcount:0 mapping: (null) index:0xffff8801cdeb5500 compound_mapcount: 0 [ 58.939525] flags: 0x4000000000004080(slab|head) [ 58.944270] page dumped because: kasan: bad access detected [ 58.949965] [ 58.951582] Memory state around the buggy address: [ 58.956501] ffff8801cdeb2600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.963869] ffff8801cdeb2680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.971223] >ffff8801cdeb2700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.978577] ^ [ 58.985061] ffff8801cdeb2780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.992411] ffff8801cdeb2800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.999755] ================================================================== executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.007107] Disabling lock debugging due to kernel taint [ 59.020134] Kernel panic - not syncing: panic_on_warn set ... [ 59.020134] [ 59.027510] CPU: 0 PID: 5031 Comm: blkid Tainted: G B 4.9.135+ #113 [ 59.035037] ffff8801cc337658 ffffffff81b36bf9 ffffffff82e366e0 00000000ffffffff [ 59.043100] 0000000000000000 0000000000000000 0000000000000000 ffff8801cc337718 [ 59.051175] ffffffff813f6aa5 0000000041b58ab3 ffffffff82e2a6e3 ffffffff813f68e6 [ 59.059241] Call Trace: [ 59.061845] [] dump_stack+0xc1/0x128 [ 59.067209] [] panic+0x1bf/0x39f [ 59.072218] [] ? add_taint.cold.6+0x16/0x16 [ 59.078187] [] ? ___preempt_schedule+0x16/0x18 [ 59.084415] [] kasan_end_report+0x47/0x4f [ 59.090207] [] kasan_report.cold.6+0x76/0x2fe [ 59.096352] [] ? disk_unblock_events+0x51/0x60 [ 59.102583] [] __asan_report_load8_noabort+0x14/0x20 [ 59.109333] [] disk_unblock_events+0x51/0x60 [ 59.115388] [] __blkdev_get+0x6b6/0xd60 [ 59.121004] [] ? __blkdev_put+0x840/0x840 [ 59.126797] [] ? fsnotify+0x114/0x1100 [ 59.132347] [] blkdev_get+0x2da/0x920 [ 59.137793] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 59.144553] [] ? bd_may_claim+0xd0/0xd0 [ 59.150169] [] ? bd_acquire+0x27/0x250 [ 59.155700] [] ? bd_acquire+0x88/0x250 [ 59.161235] [] ? _raw_spin_unlock+0x2c/0x50 [ 59.167291] [] blkdev_open+0x1a5/0x250 [ 59.172842] [] do_dentry_open+0x3ef/0xc90 [ 59.178637] [] ? blkdev_get_by_dev+0x70/0x70 [ 59.184688] [] vfs_open+0x11c/0x210 [ 59.189963] [] ? may_open.isra.20+0x14f/0x2a0 [ 59.196104] [] path_openat+0x542/0x2790 [ 59.201721] [] ? path_mountpoint+0x6c0/0x6c0 [ 59.207770] [] ? trace_hardirqs_on+0x10/0x10 [ 59.213842] [] ? expand_files.part.3+0x3a9/0x6d0 [ 59.220245] [] do_filp_open+0x197/0x270 [ 59.225873] [] ? may_open_dev+0xe0/0xe0 [ 59.231498] [] ? _raw_spin_unlock+0x2c/0x50 [ 59.237465] [] ? __alloc_fd+0x1d7/0x4a0 [ 59.243085] [] do_sys_open+0x30d/0x5c0 [ 59.248621] [] ? filp_open+0x70/0x70 [ 59.253983] [] ? up_read+0x1a/0x40 [ 59.259167] [] SyS_open+0x2d/0x40 [ 59.264351] [] ? do_sys_open+0x5c0/0x5c0 [ 59.270055] [] do_syscall_64+0x19f/0x550 [ 59.275762] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 59.283027] Kernel Offset: disabled [ 59.286661] Rebooting in 86400 seconds..