[....] 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[ 10.711427] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 11.296340] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.61' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 19.081884] ------------[ cut here ]------------ [ 19.083340] WARNING: CPU: 1 PID: 2053 at mm/page_alloc.c:3563 __alloc_pages_nodemask+0x12c6/0x1a80 [ 19.086052] Kernel panic - not syncing: panic_on_warn set ... [ 19.086052] [ 19.088007] CPU: 1 PID: 2053 Comm: syz-executor001 Not tainted 4.9.203-syzkaller #0 [ 19.090203] ffff8801cf4bf750 ffffffff81b55f6b 0000000000000000 ffffffff82a3b700 [ 19.092469] 00000000ffffffff 0000000000000001 0000000000000009 ffff8801cf4bf830 [ 19.094587] ffffffff813ff061 0000000041b58ab3 ffffffff82e31763 ffffffff813fee81 [ 19.096852] Call Trace: [ 19.097580] [<000000008bd5fc7a>] dump_stack+0xcb/0x130 [ 19.099125] [<0000000018a26648>] panic+0x1e0/0x3c4 [ 19.100484] [<00000000742183d0>] ? add_taint.cold+0x16/0x16 [ 19.102075] [<000000002dc98707>] ? get_page_from_freelist+0xc68/0x1c50 [ 19.108831] [<00000000ac035dbf>] ? kasan_slab_alloc+0xf/0x20 [ 19.114698] [<00000000fbb5a60c>] ? __warn.cold+0x14/0x2f [ 19.120248] [<00000000a88e238b>] ? __alloc_pages_nodemask+0x12c6/0x1a80 [ 19.127093] [<000000008ebd5ec6>] __warn.cold+0x2f/0x2f [ 19.132463] [<0000000015e84fe5>] warn_slowpath_null+0x2d/0x40 [ 19.138420] [<00000000a88e238b>] __alloc_pages_nodemask+0x12c6/0x1a80 [ 19.145093] [<00000000d9c89c75>] ? __lock_acquire+0x5e0/0x4390 [ 19.151134] [<00000000946b19dc>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 19.157783] [<00000000812ea582>] ? trace_hardirqs_on+0x10/0x10 [ 19.163824] [<0000000065e325be>] ? check_preemption_disabled+0x3c/0x200 [ 19.170669] [<00000000a001e90d>] ? mark_held_locks+0xb1/0x100 [ 19.176652] [<00000000fa7e2479>] ? mutex_lock_interruptible_nested+0x6f3/0xa10 [ 19.184081] [<000000001864e1d8>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 19.190904] [<00000000f7eaaa88>] kmalloc_order+0x2d/0x80 [ 19.196423] [<00000000b8ad5a38>] kmalloc_order_trace+0x1f/0x190 [ 19.202551] [<00000000ce07d855>] ? avc_has_extended_perms+0x78e/0xd30 [ 19.209234] [<00000000011618f9>] __kmalloc+0x1b2/0x320 [ 19.214582] [<00000000a01c0fe5>] input_mt_init_slots+0xcb/0x400 [ 19.220709] [<00000000dcc06f8a>] uinput_ioctl_handler.isra.0+0x15e5/0x1970 [ 19.227789] [<00000000dc513511>] ? uinput_ff_upload_from_user+0x360/0x360 [ 19.234784] [<000000003519581e>] ? debug_check_no_obj_freed+0x159/0x6d0 [ 19.241606] [<000000001864e1d8>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 19.248429] [<00000000c96ea5d8>] ? uinput_compat_ioctl+0xa0/0xa0 [ 19.254648] [<00000000d6c4ff4a>] uinput_ioctl+0x4a/0x60 [ 19.260113] [<000000007ec6b885>] do_vfs_ioctl+0xb87/0x11d0 [ 19.265837] [<000000007ff8bdeb>] ? selinux_file_ioctl+0x103/0x550 [ 19.272139] [<00000000961955e1>] ? ioctl_preallocate+0x210/0x210 [ 19.278355] [<0000000099aca6ee>] ? selinux_parse_skb.constprop.0+0x16b0/0x16b0 [ 19.285784] [<00000000028508ee>] ? putname+0xe0/0x120 [ 19.291043] [<000000001d9cedf7>] ? do_sys_open+0x27c/0x610 [ 19.296740] [<00000000128735c5>] ? filp_open+0x70/0x70 [ 19.302120] [<00000000f0b5ed8d>] ? security_file_ioctl+0x8f/0xc0 [ 19.308364] [<000000004beacdfc>] SyS_ioctl+0x8f/0xc0 [ 19.313537] [<00000000a533e503>] ? do_vfs_ioctl+0x11d0/0x11d0 [ 19.319579] [<000000002a3d8a95>] do_syscall_64+0x1ad/0x5c0 [ 19.325277] [<000000006cff7be4>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 19.332921] Kernel Offset: disabled [ 19.336555] Rebooting in 86400 seconds..