[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 13.145568] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 15.256181] random: sshd: uninitialized urandom read (32 bytes read) [ 15.561175] random: sshd: uninitialized urandom read (32 bytes read) [ 16.461014] random: sshd: uninitialized urandom read (32 bytes read) [ 85.014265] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.60' (ECDSA) to the list of known hosts. [ 90.427775] random: sshd: uninitialized urandom read (32 bytes read) RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 90.507826] IPVS: Creating netns size=2536 id=1 RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist [ 90.594393] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 90.606822] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready Error: argument "team0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist [ 90.650051] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 90.661614] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready RTNETLINK answers: Operation not supported [ 90.704589] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 90.716511] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 90.728654] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 90.741732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready 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 "vcan0" RTNETLINK answers: Operation not supported Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" [ 91.237248] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 91.262872] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 91.269071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 91.276504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 107.468018] ------------[ cut here ]------------ [ 107.472848] WARNING: CPU: 1 PID: 5558 at lib/list_debug.c:53 __list_del_entry+0x111/0x1c0 [ 107.481202] list_del corruption, ffff8801c0344028->next is LIST_POISON1 (dead000000000100) [ 107.489623] Kernel panic - not syncing: panic_on_warn set ... [ 107.489623] [ 107.496965] CPU: 1 PID: 5558 Comm: syz-executor465 Not tainted 4.9.111-g03c70fe #58 [ 107.504735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.514080] ffff8801c3597450 ffffffff81eb2729 ffffffff83c48980 00000000ffffffff [ 107.522099] 0000000000000000 0000000000000001 0000000000000035 ffff8801c3597510 [ 107.530112] ffffffff814219f5 0000000041b58ab3 ffffffff843ba8c0 ffffffff81421836 [ 107.538115] Call Trace: [ 107.540686] [] dump_stack+0xc1/0x128 [ 107.546036] [] panic+0x1bf/0x3bc [ 107.551027] [] ? add_taint.cold.6+0x16/0x16 [ 107.556974] [] ? __warn.cold.9+0xa6/0x17f [ 107.562752] [] ? __list_del_entry+0x111/0x1c0 [ 107.568873] [] __warn.cold.9+0xc1/0x17f [ 107.574477] [] warn_slowpath_fmt+0xc2/0x100 [ 107.580437] [] ? __warn+0x50/0x50 [ 107.585541] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 107.592445] [] ? p9_fd_cancel+0x1c/0xb0 [ 107.598053] [] __list_del_entry+0x111/0x1c0 [ 107.604003] [] list_del+0xd/0x70 [ 107.609010] [] p9_fd_cancel+0x69/0xb0 [ 107.614526] [] p9_client_rpc+0x9e1/0x1140 [ 107.620301] [] ? trace_event_raw_event_9p_client_res+0x270/0x270 [ 107.628077] [] ? add_wait_queue+0x76/0xa0 [ 107.633865] [] ? p9_pollwait+0x83/0x210 [ 107.639468] [] ? p9_conn_create+0x4c0/0x4c0 [ 107.645424] [] ? pipe_poll+0x25c/0x2d0 [ 107.650938] [] ? generic_pipe_buf_confirm+0x10/0x10 [ 107.657593] [] ? p9_fd_poll+0x246/0x310 [ 107.663201] [] ? lockdep_init_map+0x105/0x4f0 [ 107.669327] [] ? prepare_to_wait_event+0x450/0x450 [ 107.675884] [] ? p9_conn_create+0x3c0/0x4c0 [ 107.681832] [] ? parse_opts.part.1+0x320/0x320 [ 107.688050] [] ? __raw_spin_lock_init+0x2d/0x100 [ 107.694456] [] p9_client_create+0x951/0x10a0 [ 107.700505] [] ? p9_client_zc_rpc.constprop.11+0x1020/0x1020 [ 107.708023] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 107.714846] [] ? bdi_register+0xb4/0x570 [ 107.720535] [] ? bdi_init+0x7ae/0xab0 [ 107.725971] [] v9fs_session_init+0x333/0x13a0 [ 107.732115] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 107.739029] [] ? debug_check_no_obj_freed+0x2ec/0x930 [ 107.745874] [] ? v9fs_inode_init_once+0x30/0x30 [ 107.752350] [] ? debug_object_activate+0x4e0/0x4e0 [ 107.758996] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 107.765826] [] ? free_hot_cold_page+0x493/0x840 [ 107.772173] [] ? check_preemption_disabled+0x3b/0x170 [ 107.779024] [] ? kasan_unpoison_shadow+0x35/0x50 [ 107.785419] [] ? kasan_kmalloc+0xc7/0xe0 [ 107.791129] [] ? kmem_cache_alloc_trace+0xfd/0x2b0 [ 107.797710] [] ? v9fs_mount+0x62/0x810 [ 107.803273] [] v9fs_mount+0x7d/0x810 [ 107.808649] [] mount_fs+0x28c/0x370 [ 107.813937] [] vfs_kern_mount.part.29+0xd1/0x3d0 [ 107.820344] [] ? ns_capable_common+0x12a/0x150 [ 107.826577] [] do_mount+0x3c9/0x2740 [ 107.831937] [] ? copy_mount_string+0x40/0x40 [ 107.837998] [] ? kasan_unpoison_shadow+0x35/0x50 [ 107.844399] [] ? kasan_kmalloc+0xc7/0xe0 [ 107.850280] [] ? kmem_cache_alloc_trace+0xfd/0x2b0 [ 107.856856] [] ? copy_mount_options+0x5f/0x320 [ 107.863091] [] ? copy_mount_options+0x1e5/0x320 [ 107.869417] [] SyS_mount+0xfe/0x110 [ 107.874685] [] ? copy_mnt_ns+0x8e0/0x8e0 [ 107.880376] [] do_syscall_64+0x1a6/0x490 [ 107.886068] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 107.893525] Dumping ftrace buffer: [ 107.897107] (ftrace buffer empty) [ 107.900795] Kernel Offset: disabled [ 107.904410] Rebooting in 86400 seconds..