[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 10.649518] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 11.801171] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.17' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.250725] ------------[ cut here ]------------ [ 32.251772] WARNING: CPU: 0 PID: 2050 at mm/page_alloc.c:3556 __alloc_pages_nodemask+0x13a0/0x1bd0 [ 32.253573] Kernel panic - not syncing: panic_on_warn set ... [ 32.253573] [ 32.254833] CPU: 0 PID: 2050 Comm: syz-executor015 Not tainted 4.9.141+ #23 [ 32.255801] ffff8801ce807858 ffffffff81b42e79 ffffffff82a38ce0 00000000ffffffff [ 32.257017] ffffffff82a96600 0000000000000000 0000000000000009 ffff8801ce807918 [ 32.258491] ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66 [ 32.260088] Call Trace: [ 32.260486] [] dump_stack+0xc1/0x128 [ 32.261306] [] panic+0x1bf/0x39f [ 32.262364] [] ? add_taint.cold.5+0x16/0x16 [ 32.263672] [] ? __warn.cold.8+0x14/0x2f [ 32.264612] [] ? __alloc_pages_nodemask+0x13a0/0x1bd0 [ 32.265658] [] __warn.cold.8+0x2f/0x2f [ 32.266663] [] warn_slowpath_null+0x2c/0x40 [ 32.267665] [] __alloc_pages_nodemask+0x13a0/0x1bd0 [ 32.268585] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 32.269781] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 32.270798] [] ? avc_has_extended_perms+0x42f/0xd90 [ 32.277479] [] ? avc_has_extended_perms+0x56a/0xd90 [ 32.284125] [] ? avc_has_extended_perms+0xde/0xd90 [ 32.290684] [] ? mark_held_locks+0xc7/0x130 [ 32.296691] [] ? mutex_lock_interruptible_nested+0x7f3/0x9c0 [ 32.304246] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.311303] [] kmalloc_order+0x2a/0x70 [ 32.316816] [] kmalloc_order_trace+0x1f/0x190 [ 32.322941] [] __kmalloc+0x1ae/0x310 [ 32.328281] [] input_mt_init_slots+0xcb/0x400 [ 32.334400] [] uinput_ioctl_handler.isra.4+0x161d/0x1980 [ 32.341579] [] ? uinput_ff_upload_from_user+0x350/0x350 [ 32.348574] [] ? selinux_file_ioctl+0x10a/0x550 [ 32.354867] [] ? avc_policy_seqno+0x9/0x20 [ 32.360877] [] ? selinux_parse_skb.constprop.42+0x1a90/0x1a90 [ 32.368390] [] ? security_file_permission+0x8f/0x1e0 [ 32.375192] [] ? rw_verify_area+0xe5/0x2a0 [ 32.381067] [] ? vfs_write+0x324/0x520 [ 32.386579] [] ? uinput_ioctl_handler.isra.4+0x1980/0x1980 [ 32.393836] [] uinput_compat_ioctl+0x5f/0x80 [ 32.399877] [] compat_SyS_ioctl+0x12d/0x1fd0 [ 32.406323] [] ? do_ioctl+0x60/0x60 [ 32.411580] [] do_fast_syscall_32+0x2f1/0xa10 [ 32.417713] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.424358] [] entry_SYSENTER_compat+0x90/0xa2 [ 32.430947] Kernel Offset: disabled [ 32.434567] Rebooting in 86400 seconds..