[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] 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[ 9.902849] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 24.847889] random: crng init done Warning: Permanently added '10.128.0.64' (ECDSA) to the list of known hosts. executing program [ 31.589677] ------------[ cut here ]------------ [ 31.594501] WARNING: CPU: 0 PID: 2053 at mm/page_alloc.c:3556 __alloc_pages_nodemask+0x13a0/0x1bd0 [ 31.603683] Kernel panic - not syncing: panic_on_warn set ... [ 31.603683] [ 31.611094] CPU: 0 PID: 2053 Comm: syz-executor616 Not tainted 4.9.128+ #93 [ 31.618180] ffff8801d64ff708 ffffffff81af2469 ffffffff82838ba0 00000000ffffffff [ 31.626195] 0000000000000000 0000000000000000 0000000000000de4 ffff8801d64ff7c8 [ 31.634196] ffffffff813df985 0000000041b58ab3 ffffffff82c2896b ffffffff813df7c6 [ 31.642290] Call Trace: [ 31.644878] [] dump_stack+0xc1/0x128 [ 31.650226] [] panic+0x1bf/0x39f [ 31.655247] [] ? add_taint.cold.6+0x16/0x16 [ 31.661219] [] ? get_page_from_freelist+0x702/0x18e0 [ 31.667969] [] ? __warn.cold.9+0xa6/0x17f [ 31.673754] [] ? __alloc_pages_nodemask+0x13a0/0x1bd0 [ 31.680604] [] __warn.cold.9+0xc1/0x17f [ 31.686217] [] warn_slowpath_null+0x2c/0x40 [ 31.692173] [] __alloc_pages_nodemask+0x13a0/0x1bd0 [ 31.698825] [] ? mark_held_locks+0xc7/0x130 [ 31.704797] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 31.711444] [] ? trace_hardirqs_on+0x10/0x10 [ 31.717499] [] ? uinput_write+0x7a9/0xce0 [ 31.723279] [] ? __vfs_write+0x115/0x580 [ 31.728984] [] ? mark_held_locks+0xc7/0x130 [ 31.734955] [] ? mutex_lock_interruptible_nested+0x796/0x940 [ 31.742381] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.749197] [] kmalloc_order+0x2a/0x70 [ 31.754711] [] kmalloc_order_trace+0x1f/0x190 [ 31.760837] [] __kmalloc+0x1ae/0x310 [ 31.766189] [] ? avc_has_extended_perms+0x56a/0xd90 [ 31.772830] [] ? avc_has_extended_perms+0xde/0xd90 [ 31.779394] [] input_mt_init_slots+0xcb/0x400 [ 31.785516] [] uinput_ioctl_handler.isra.4+0x161d/0x1980 [ 31.792592] [] ? avc_ss_reset+0x110/0x110 [ 31.798367] [] ? uinput_ff_upload_from_user+0x350/0x350 [ 31.805357] [] ? uinput_write+0x88/0xce0 [ 31.811045] [] ? uinput_ioctl+0x60/0x60 [ 31.816663] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.823480] [] uinput_ioctl+0x4c/0x60 [ 31.828905] [] ? uinput_compat_ioctl+0x80/0x80 [ 31.835112] [] do_vfs_ioctl+0x1ac/0x11a0 [ 31.840797] [] ? ioctl_preallocate+0x220/0x220 [ 31.847009] [] ? selinux_parse_skb.constprop.42+0x1a90/0x1a90 [ 31.854516] [] ? rw_verify_area+0xe5/0x2a0 [ 31.860384] [] ? vfs_write+0x324/0x520 [ 31.865898] [] ? security_file_ioctl+0x8f/0xc0 [ 31.872106] [] SyS_ioctl+0x8f/0xc0 [ 31.877270] [] ? do_vfs_ioctl+0x11a0/0x11a0 [ 31.883221] [] do_syscall_64+0x19f/0x480 [ 31.888908] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 31.896108] Kernel Offset: disabled [ 31.899723] Rebooting in 86400 seconds..