[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[ 10.356201] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 11.605744] random: crng init done Warning: Permanently added '10.128.10.11' (ECDSA) to the list of known hosts. net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 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 Cannot find device "veth0_to_bridge" Cannot find device "veth1_to_bridge" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bond" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported 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 "veth1_to_team" Cannot find device "bridge_slave_0" Cannot find device "bridge_slave_1" RTNETLINK answers: Operation not supported 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" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" 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" RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument 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 "veth0" Cannot find device "veth0" Cannot find device "veth0" Cannot find device "veth0" Cannot find device "veth1" Cannot find device "veth1" Cannot find device "veth1" Cannot find device "veth1" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" 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 "veth1_to_bridge" Cannot find device "veth1_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_bond" Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth0_to_team" Cannot find device "veth0_to_team" Cannot find device "veth0_to_team" Cannot find device "veth0_to_team" Cannot find device "veth1_to_team" Cannot find device "veth1_to_team" Cannot find device "veth1_to_team" Cannot find device "veth1_to_team" executing program [ 44.254892] ------------[ cut here ]------------ [ 44.255738] WARNING: CPU: 1 PID: 2496 at mm/page_alloc.c:3556 __alloc_pages_nodemask+0x13a0/0x1bd0 [ 44.257008] Kernel panic - not syncing: panic_on_warn set ... [ 44.257008] [ 44.258018] CPU: 1 PID: 2496 Comm: syz-executor064 Not tainted 4.9.128+ #41 [ 44.258992] ffff8801c9fcf708 ffffffff81af2469 ffffffff82838ba0 00000000ffffffff [ 44.260331] 0000000000000000 0000000000000001 0000000000000de4 ffff8801c9fcf7c8 [ 44.261514] ffffffff813df985 0000000041b58ab3 ffffffff82c2896b ffffffff813df7c6 [ 44.262714] Call Trace: [ 44.263093] [] dump_stack+0xc1/0x128 [ 44.263925] [] panic+0x1bf/0x39f [ 44.264620] [] ? add_taint.cold.6+0x16/0x16 [ 44.265460] [] ? get_page_from_freelist+0x702/0x18e0 [ 44.266464] [] ? __warn.cold.9+0xa6/0x17f [ 44.267341] [] ? __alloc_pages_nodemask+0x13a0/0x1bd0 [ 44.268342] [] __warn.cold.9+0xc1/0x17f [ 44.269264] [] warn_slowpath_null+0x2c/0x40 [ 44.270063] [] __alloc_pages_nodemask+0x13a0/0x1bd0 [ 44.270998] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 44.272037] [] ? mark_held_locks+0xc7/0x130 [ 44.272984] [] ? trace_hardirqs_on+0x10/0x10 [ 44.273919] [] ? mark_held_locks+0xc7/0x130 [ 44.274852] [] ? mutex_lock_interruptible_nested+0x796/0x940 [ 44.281636] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 44.288457] [] kmalloc_order+0x2a/0x70 [ 44.293975] [] kmalloc_order_trace+0x1f/0x190 [ 44.300098] [] __kmalloc+0x1ae/0x310 [ 44.305442] [] ? avc_has_extended_perms+0x56a/0xd90 [ 44.312082] [] ? avc_has_extended_perms+0xde/0xd90 [ 44.318707] [] input_mt_init_slots+0xcb/0x400 [ 44.324834] [] uinput_ioctl_handler.isra.4+0x161d/0x1980 [ 44.331906] [] ? avc_ss_reset+0x110/0x110 [ 44.337687] [] ? uinput_ff_upload_from_user+0x350/0x350 [ 44.344679] [] ? __lock_acquire+0x654/0x4a10 [ 44.350908] [] ? exit_robust_list+0x220/0x220 [ 44.357033] [] uinput_ioctl+0x4c/0x60 [ 44.362458] [] ? uinput_compat_ioctl+0x80/0x80 [ 44.368749] [] do_vfs_ioctl+0x1ac/0x11a0 [ 44.374446] [] ? ioctl_preallocate+0x220/0x220 [ 44.380653] [] ? selinux_parse_skb.constprop.42+0x1a90/0x1a90 [ 44.388162] [] ? check_preemption_disabled+0x3b/0x170 [ 44.394979] [] ? __fget+0x214/0x3d0 [ 44.400239] [] ? __fget+0x23b/0x3d0 [ 44.405495] [] ? __fget+0x47/0x3d0 [ 44.410667] [] ? security_file_ioctl+0x8f/0xc0 [ 44.416878] [] SyS_ioctl+0x8f/0xc0 [ 44.422050] [] ? do_vfs_ioctl+0x11a0/0x11a0 [ 44.428006] [] do_syscall_64+0x19f/0x480 [ 44.433697] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 44.440912] Kernel Offset: disabled [ 44.444524] Rebooting in 86400 seconds..