Starting mcstransd: [ 9.157492] 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: [ 30.259794] random: sshd: uninitialized urandom read (32 bytes read) [ 30.746225] random: sshd: uninitialized urandom read (32 bytes read) [ 30.862052] random: crng init done Warning: Permanently added '10.128.1.9' (ECDSA) to the list of known hosts. executing program [ 37.019217] ------------[ cut here ]------------ [ 37.024165] WARNING: CPU: 0 PID: 2045 at mm/page_alloc.c:3556 __alloc_pages_nodemask+0x13a0/0x1bd0 [ 37.033571] Kernel panic - not syncing: panic_on_warn set ... [ 37.033571] [ 37.041043] CPU: 0 PID: 2045 Comm: syz-executor869 Not tainted 4.9.141+ #23 [ 37.048138] ffff8801ced3f858 ffffffff81b42e79 ffffffff82a38ce0 00000000ffffffff [ 37.056241] ffffffff82a96600 0000000000000000 0000000000000009 ffff8801ced3f918 [ 37.064283] ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66 [ 37.072425] Call Trace: [ 37.075008] [] dump_stack+0xc1/0x128 [ 37.080365] [] panic+0x1bf/0x39f [ 37.085469] [] ? add_taint.cold.5+0x16/0x16 [ 37.091429] [] ? __warn.cold.8+0x14/0x2f [ 37.097202] [] ? __alloc_pages_nodemask+0x13a0/0x1bd0 [ 37.104031] [] __warn.cold.8+0x2f/0x2f [ 37.109557] [] warn_slowpath_null+0x2c/0x40 [ 37.115523] [] __alloc_pages_nodemask+0x13a0/0x1bd0 [ 37.122173] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 37.129025] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 37.136046] [] ? avc_has_extended_perms+0x42f/0xd90 [ 37.142790] [] ? avc_has_extended_perms+0x56a/0xd90 [ 37.149439] [] ? avc_has_extended_perms+0xde/0xd90 [ 37.156107] [] ? check_preemption_disabled+0x3b/0x200 [ 37.162939] [] ? mark_held_locks+0xc7/0x130 [ 37.168908] [] ? mutex_lock_interruptible_nested+0x7f3/0x9c0 [ 37.176350] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 37.183172] [] kmalloc_order+0x2a/0x70 [ 37.188686] [] kmalloc_order_trace+0x1f/0x190 [ 37.194808] [] __kmalloc+0x1ae/0x310 [ 37.200222] [] input_mt_init_slots+0xcb/0x400 [ 37.206366] [] uinput_ioctl_handler.isra.4+0x161d/0x1980 [ 37.213579] [] ? uinput_ff_upload_from_user+0x350/0x350 [ 37.220583] [] ? selinux_file_ioctl+0x10a/0x550 [ 37.226892] [] ? putname+0xdb/0x110 [ 37.232161] [] ? selinux_parse_skb.constprop.42+0x1a90/0x1a90 [ 37.239677] [] ? putname+0xe0/0x110 [ 37.244944] [] ? do_sys_open+0x224/0x5c0 [ 37.250654] [] ? uinput_ioctl_handler.isra.4+0x1980/0x1980 [ 37.257917] [] uinput_compat_ioctl+0x5f/0x80 [ 37.263957] [] compat_SyS_ioctl+0x12d/0x1fd0 [ 37.269994] [] ? do_ioctl+0x60/0x60 [ 37.275248] [] do_fast_syscall_32+0x2f1/0xa10 [ 37.281370] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.288009] [] entry_SYSENTER_compat+0x90/0xa2 [ 37.294776] Kernel Offset: disabled [ 37.298389] Rebooting in 86400 seconds..