[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 9.887765] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 25.965049] random: crng init done Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts. executing program [ 41.511823] ------------[ cut here ]------------ [ 41.516846] WARNING: CPU: 1 PID: 2058 at mm/page_alloc.c:3556 __alloc_pages_nodemask+0x13a0/0x1bd0 [ 41.525946] Kernel panic - not syncing: panic_on_warn set ... [ 41.525946] [ 41.533287] CPU: 1 PID: 2058 Comm: syz-executor062 Not tainted 4.9.140+ #68 [ 41.540377] ffff8801cea0f708 ffffffff81b42e79 ffffffff82a38ce0 00000000ffffffff [ 41.548498] ffffffff82a96600 0000000000000001 0000000000000009 ffff8801cea0f7c8 [ 41.556557] ffffffff813f7125 0000000041b58ab3 ffffffff82e2b45b ffffffff813f6f66 [ 41.564602] Call Trace: [ 41.567184] [] dump_stack+0xc1/0x128 [ 41.572641] [] panic+0x1bf/0x39f [ 41.577630] [] ? add_taint.cold.5+0x16/0x16 [ 41.583593] [] ? __warn.cold.8+0x14/0x2f [ 41.589296] [] ? __alloc_pages_nodemask+0x13a0/0x1bd0 [ 41.596109] [] __warn.cold.8+0x2f/0x2f [ 41.601625] [] warn_slowpath_null+0x2c/0x40 [ 41.607572] [] __alloc_pages_nodemask+0x13a0/0x1bd0 [ 41.614319] [] ? mark_held_locks+0xc7/0x130 [ 41.620278] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 41.626918] [] ? trace_hardirqs_on+0x10/0x10 [ 41.632951] [] ? uinput_write+0x7a9/0xce0 [ 41.638718] [] ? __vfs_write+0x115/0x580 [ 41.644397] [] ? mark_held_locks+0xc7/0x130 [ 41.650342] [] ? mutex_lock_interruptible_nested+0x7f3/0x9c0 [ 41.657765] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.664576] [] kmalloc_order+0x2a/0x70 [ 41.670196] [] kmalloc_order_trace+0x1f/0x190 [ 41.676314] [] __kmalloc+0x1ae/0x310 [ 41.681652] [] ? avc_has_extended_perms+0x56a/0xd90 [ 41.688289] [] ? avc_has_extended_perms+0xde/0xd90 [ 41.694842] [] input_mt_init_slots+0xcb/0x400 [ 41.700960] [] uinput_ioctl_handler.isra.4+0x161d/0x1980 [ 41.708035] [] ? avc_ss_reset+0x110/0x110 [ 41.713805] [] ? uinput_ff_upload_from_user+0x350/0x350 [ 41.720803] [] ? uinput_write+0x88/0xce0 [ 41.726484] [] ? uinput_ioctl+0x60/0x60 [ 41.732087] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.738897] [] uinput_ioctl+0x4c/0x60 [ 41.744439] [] ? uinput_compat_ioctl+0x80/0x80 [ 41.750650] [] do_vfs_ioctl+0x1ac/0x11a0 [ 41.756456] [] ? ioctl_preallocate+0x220/0x220 [ 41.762664] [] ? selinux_parse_skb.constprop.42+0x1a90/0x1a90 [ 41.770170] [] ? rw_verify_area+0xe5/0x2a0 [ 41.776030] [] ? vfs_write+0x324/0x520 [ 41.781552] [] ? security_file_ioctl+0x8f/0xc0 [ 41.787772] [] SyS_ioctl+0x8f/0xc0 [ 41.792932] [] ? do_vfs_ioctl+0x11a0/0x11a0 [ 41.798989] [] do_syscall_64+0x19f/0x550 [ 41.804677] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 41.812027] Kernel Offset: disabled [ 41.815648] Rebooting in 86400 seconds..