[?25l[?1c7[ ok 8[?25h[?0c. [....] 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[ 9.463489] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 25.683638] random: crng init done Warning: Permanently added '10.128.0.98' (ECDSA) to the list of known hosts. executing program [ 37.523329] ------------[ cut here ]------------ [ 37.528139] WARNING: CPU: 0 PID: 2053 at mm/page_alloc.c:3556 __alloc_pages_nodemask+0x13a0/0x1bd0 [ 37.537308] Kernel panic - not syncing: panic_on_warn set ... [ 37.537308] [ 37.544646] CPU: 0 PID: 2053 Comm: syz-executor189 Not tainted 4.9.140+ #3 [ 37.551772] ffff8801cee6f708 ffffffff81b42e79 ffffffff82a38ce0 00000000ffffffff [ 37.559788] ffffffff82a96600 0000000000000000 0000000000000009 ffff8801cee6f7c8 [ 37.567811] ffffffff813f7125 0000000041b58ab3 ffffffff82e2b45b ffffffff813f6f66 [ 37.575825] Call Trace: [ 37.578403] [] dump_stack+0xc1/0x128 [ 37.583742] [] panic+0x1bf/0x39f [ 37.588746] [] ? add_taint.cold.5+0x16/0x16 [ 37.594745] [] ? __warn.cold.8+0x14/0x2f [ 37.600947] [] ? __alloc_pages_nodemask+0x13a0/0x1bd0 [ 37.608204] [] __warn.cold.8+0x2f/0x2f [ 37.613722] [] warn_slowpath_null+0x2c/0x40 [ 37.619678] [] __alloc_pages_nodemask+0x13a0/0x1bd0 [ 37.626351] [] ? mark_held_locks+0xc7/0x130 [ 37.637693] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 37.644339] [] ? trace_hardirqs_on+0x10/0x10 [ 37.650377] [] ? uinput_write+0x7a9/0xce0 [ 37.656152] [] ? __vfs_write+0x115/0x580 [ 37.661842] [] ? mark_held_locks+0xc7/0x130 [ 37.667794] [] ? mutex_lock_interruptible_nested+0x7f3/0x9c0 [ 37.675302] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 37.682118] [] kmalloc_order+0x2a/0x70 [ 37.687641] [] kmalloc_order_trace+0x1f/0x190 [ 37.693775] [] __kmalloc+0x1ae/0x310 [ 37.699128] [] ? avc_has_extended_perms+0x56a/0xd90 [ 37.705770] [] ? avc_has_extended_perms+0xde/0xd90 [ 37.712327] [] input_mt_init_slots+0xcb/0x400 [ 37.718836] [] uinput_ioctl_handler.isra.4+0x161d/0x1980 [ 37.725925] [] ? avc_ss_reset+0x110/0x110 [ 37.731712] [] ? uinput_ff_upload_from_user+0x350/0x350 [ 37.738711] [] ? uinput_write+0x88/0xce0 [ 37.744400] [] ? uinput_ioctl+0x60/0x60 [ 37.750001] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 37.756818] [] uinput_ioctl+0x4c/0x60 [ 37.762244] [] ? uinput_compat_ioctl+0x80/0x80 [ 37.768451] [] do_vfs_ioctl+0x1ac/0x11a0 [ 37.774135] [] ? ioctl_preallocate+0x220/0x220 [ 37.780351] [] ? selinux_parse_skb.constprop.42+0x1a90/0x1a90 [ 37.787859] [] ? rw_verify_area+0xe5/0x2a0 [ 37.793726] [] ? vfs_write+0x324/0x520 [ 37.799240] [] ? security_file_ioctl+0x8f/0xc0 [ 37.805445] [] SyS_ioctl+0x8f/0xc0 [ 37.810611] [] ? do_vfs_ioctl+0x11a0/0x11a0 [ 37.816555] [] do_syscall_64+0x19f/0x550 [ 37.822244] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 37.829640] Kernel Offset: disabled [ 37.833257] Rebooting in 86400 seconds..