Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 9.677014] random: sshd: uninitialized urandom read (32 bytes read) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 27.764588] random: sshd: uninitialized urandom read (32 bytes read) [ 28.008945] random: crng init done Warning: Permanently added '10.128.0.135' (ECDSA) to the list of known hosts. executing program [ 34.364304] ------------[ cut here ]------------ [ 34.369196] WARNING: CPU: 0 PID: 2048 at mm/page_alloc.c:3556 __alloc_pages_nodemask+0x13a0/0x1bd0 [ 34.378399] Kernel panic - not syncing: panic_on_warn set ... [ 34.378399] [ 34.385755] CPU: 0 PID: 2048 Comm: syz-executor371 Not tainted 4.9.141+ #1 [ 34.392788] ffff8801cef17708 ffffffff81b42e79 ffffffff82a38ce0 00000000ffffffff [ 34.400796] ffffffff82a96600 0000000000000000 0000000000000009 ffff8801cef177c8 [ 34.408844] ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66 [ 34.416972] Call Trace: [ 34.419541] [] dump_stack+0xc1/0x128 [ 34.425665] [] panic+0x1bf/0x39f [ 34.430664] [] ? add_taint.cold.5+0x16/0x16 [ 34.436613] [] ? __warn.cold.8+0x14/0x2f [ 34.442304] [] ? __alloc_pages_nodemask+0x13a0/0x1bd0 [ 34.449123] [] __warn.cold.8+0x2f/0x2f [ 34.454637] [] warn_slowpath_null+0x2c/0x40 [ 34.460586] [] __alloc_pages_nodemask+0x13a0/0x1bd0 [ 34.467226] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 34.473869] [] ? __lock_acquire+0x2ae8/0x4a10 [ 34.479989] [] ? trace_hardirqs_on+0x10/0x10 [ 34.486022] [] ? mark_held_locks+0xc7/0x130 [ 34.491972] [] ? mutex_lock_interruptible_nested+0x7f3/0x9c0 [ 34.499408] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.506236] [] kmalloc_order+0x2a/0x70 [ 34.511763] [] kmalloc_order_trace+0x1f/0x190 [ 34.517883] [] __kmalloc+0x1ae/0x310 [ 34.523224] [] ? avc_has_extended_perms+0x56a/0xd90 [ 34.529883] [] ? avc_has_extended_perms+0xde/0xd90 [ 34.536437] [] input_mt_init_slots+0xcb/0x400 [ 34.542560] [] uinput_ioctl_handler.isra.4+0x161d/0x1980 [ 34.549635] [] ? avc_ss_reset+0x110/0x110 [ 34.555410] [] ? uinput_ff_upload_from_user+0x350/0x350 [ 34.562400] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.569229] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 34.576132] [] uinput_ioctl+0x4c/0x60 [ 34.581564] [] ? uinput_compat_ioctl+0x80/0x80 [ 34.587772] [] do_vfs_ioctl+0x1ac/0x11a0 [ 34.593462] [] ? ioctl_preallocate+0x220/0x220 [ 34.599673] [] ? kmem_cache_free+0x28f/0x310 [ 34.605710] [] ? selinux_parse_skb.constprop.42+0x1a90/0x1a90 [ 34.613232] [] ? putname+0xe0/0x110 [ 34.618486] [] ? do_sys_open+0x224/0x5c0 [ 34.624170] [] ? filp_open+0x70/0x70 [ 34.629511] [] ? security_file_ioctl+0x8f/0xc0 [ 34.635717] [] SyS_ioctl+0x8f/0xc0 [ 34.641059] [] ? do_vfs_ioctl+0x11a0/0x11a0 [ 34.647006] [] do_syscall_64+0x19f/0x550 [ 34.652695] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 34.660286] Kernel Offset: disabled [ 34.663905] Rebooting in 86400 seconds..