[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 10.800054] random: sshd: uninitialized urandom read (32 bytes read) Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 11.869638] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.252' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 19.705413] ------------[ cut here ]------------ [ 19.706315] WARNING: CPU: 1 PID: 2036 at mm/page_alloc.c:3563 __alloc_pages_nodemask+0x12c6/0x1a80 [ 19.707779] Kernel panic - not syncing: panic_on_warn set ... [ 19.707779] [ 19.709477] CPU: 1 PID: 2036 Comm: syz-executor787 Not tainted 4.9.194+ #0 [ 19.710605] ffff8801d396f750 ffffffff81b67001 0000000000000000 ffffffff82a3b3c0 [ 19.711942] 00000000ffffffff 0000000000000001 0000000000000009 ffff8801d396f830 [ 19.713259] ffffffff813fef3a 0000000041b58ab3 ffffffff82e32f55 ffffffff813fed61 [ 19.714716] Call Trace: [ 19.715084] [<00000000502f8c85>] dump_stack+0xc1/0x120 [ 19.715883] [<000000005d4880a6>] panic+0x1d9/0x3bd [ 19.716756] [<000000004c650dd9>] ? add_taint.cold+0x16/0x16 [ 19.717692] [<00000000f2821868>] ? get_page_from_freelist+0xc68/0x1c50 [ 19.718794] [<0000000020315ffe>] ? __warn.cold+0x14/0x2f [ 19.719619] [<000000007409bd9d>] ? __alloc_pages_nodemask+0x12c6/0x1a80 [ 19.720675] [<00000000116c94cf>] __warn.cold+0x2f/0x2f [ 19.721466] [<0000000070d2ecfb>] warn_slowpath_null+0x2d/0x40 [ 19.722291] [<000000007409bd9d>] __alloc_pages_nodemask+0x12c6/0x1a80 [ 19.723212] [<00000000df17967e>] ? __lock_acquire+0x5e0/0x4390 [ 19.724220] [<0000000079bce6b2>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 19.725189] [<00000000e8a1eb46>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 19.728120] [<000000003fea24cd>] ? trace_hardirqs_on+0x10/0x10 [ 19.734164] [<000000000eefd422>] ? uinput_write+0x7b4/0xcb0 [ 19.743759] [<0000000036cfe896>] ? __vfs_write+0x116/0x560 [ 19.749468] [<0000000082685508>] ? vfs_write+0x185/0x520 [ 19.754993] [<00000000472190ec>] ? SyS_write+0x121/0x270 [ 19.760518] [<0000000036acea7b>] ? do_syscall_64+0x1ad/0x5c0 [ 19.766386] [<00000000297d3e88>] ? mark_held_locks+0xb1/0x100 [ 19.772354] [<00000000be7d0cb4>] ? mutex_lock_interruptible_nested+0x6f3/0xa10 [ 19.779778] [<0000000079bce6b2>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 19.786595] [<000000002b5b7683>] kmalloc_order+0x2d/0x80 [ 19.792370] [<000000004401b95d>] kmalloc_order_trace+0x1f/0x190 [ 19.798493] [<00000000f4ffdf62>] ? avc_has_extended_perms+0x78e/0xd30 [ 19.805144] [<00000000abe6b86a>] __kmalloc+0x1b2/0x320 [ 19.810485] [<00000000493dc6a1>] input_mt_init_slots+0xcb/0x400 [ 19.816623] [<00000000bdc529cf>] uinput_ioctl_handler.isra.0+0x15e5/0x1970 [ 19.823698] [<0000000072400f2a>] ? uinput_ff_upload_from_user+0x360/0x360 [ 19.830687] [<000000003a3ed3c4>] ? uinput_ioctl+0x60/0x60 [ 19.836299] [<0000000079bce6b2>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 19.843127] [<0000000092ca58c0>] ? uinput_compat_ioctl+0xa0/0xa0 [ 19.849333] [<00000000c7de6a10>] uinput_ioctl+0x4a/0x60 [ 19.854773] [<0000000073609fbc>] do_vfs_ioctl+0xb87/0x11d0 [ 19.860461] [<000000001face7ed>] ? selinux_file_ioctl+0x103/0x550 [ 19.866754] [<0000000006d44e92>] ? ioctl_preallocate+0x210/0x210 [ 19.874349] [<00000000df554d7d>] ? selinux_parse_skb.constprop.0+0x16b0/0x16b0 [ 19.881787] [<000000008337d6d2>] ? rw_verify_area+0xea/0x2b0 [ 19.887648] [<00000000b393de6f>] ? vfs_write+0x322/0x520 [ 19.893173] [<00000000debe53ba>] ? security_file_ioctl+0x8f/0xc0 [ 19.899393] [<000000000587ad2d>] SyS_ioctl+0x8f/0xc0 [ 19.904560] [<000000008381238a>] ? do_vfs_ioctl+0x11d0/0x11d0 [ 19.912427] [<0000000036acea7b>] do_syscall_64+0x1ad/0x5c0 [ 19.918120] [<000000009385d11e>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 19.925743] Kernel Offset: disabled [ 19.929365] Rebooting in 86400 seconds..