[....] Starting enhanced syslogd: rsyslogd[ 14.424318] audit: type=1400 audit(1571768547.281:4): avc: denied { syslog } for pid=1920 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.68' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.464350] ------------[ cut here ]------------ [ 25.469150] WARNING: CPU: 0 PID: 2066 at mm/page_alloc.c:3069 __alloc_pages_nodemask+0x11d7/0x14b0() [ 25.478582] Kernel panic - not syncing: panic_on_warn set ... [ 25.478582] [ 25.486051] CPU: 0 PID: 2066 Comm: syz-executor312 Not tainted 4.4.174+ #17 [ 25.493130] 0000000000000000 81bf95252a87dc81 ffff8801d4fc7728 ffffffff81aad1a1 [ 25.501168] 0000000000000000 ffffffff82835ee0 ffffffff82885260 0000000000000bfd [ 25.509170] ffffffff813d12d7 ffff8801d4fc7808 ffffffff813a48c2 0000000041b58ab3 [ 25.517181] Call Trace: [ 25.519751] [] dump_stack+0xc1/0x120 [ 25.525105] [] ? __alloc_pages_nodemask+0x11d7/0x14b0 [ 25.531932] [] panic+0x1b9/0x37b [ 25.537196] [] ? add_taint.cold+0x16/0x16 [ 25.542975] [] ? warn_slowpath_common.cold+0x5/0x20 [ 25.549633] [] warn_slowpath_common.cold+0x20/0x20 [ 25.556212] [] warn_slowpath_null+0x2a/0x30 [ 25.562158] [] __alloc_pages_nodemask+0x11d7/0x14b0 [ 25.568805] [] ? kasan_kmalloc.part.0+0xc6/0xf0 [ 25.575114] [] ? save_stack_trace+0x26/0x50 [ 25.581081] [] ? kasan_kmalloc.part.0+0x62/0xf0 [ 25.587398] [] ? kasan_kmalloc+0xb7/0xd0 [ 25.593103] [] ? __kmalloc+0x141/0x330 [ 25.598676] [] ? input_alloc_absinfo+0x61/0xe0 [ 25.598684] [] ? uinput_write+0x51f/0xf60 [ 25.598691] [] ? SyS_write+0xdc/0x1c0 [ 25.598701] [] ? do_fast_syscall_32+0x32d/0xa90 [ 25.598710] [] ? sysenter_flags_fixed+0xd/0x1a [ 25.598722] [] ? __alloc_pages_direct_compact+0x220/0x220 [ 25.598729] [] ? mark_held_locks+0xb1/0x100 [ 25.598734] [] ? new_slab+0x2a1/0x380 [ 25.598739] [] ? new_slab+0x234/0x380 [ 25.598745] [] ? ___slab_alloc.constprop.0+0x323/0x3e0 [ 25.598752] [] ? input_alloc_absinfo+0x61/0xe0 [ 25.598758] [] alloc_kmem_pages+0x12/0x20 [ 25.598766] [] kmalloc_order+0x21/0x70 [ 25.598774] [] kmalloc_order_trace+0x1f/0x1a0 [ 25.598779] [] __kmalloc+0x1c2/0x330 [ 25.598787] [] input_mt_init_slots+0xcb/0x400 [ 25.598793] [] uinput_write+0xcb5/0xf60 [ 25.598800] [] ? uinput_ioctl+0x60/0x60 [ 25.598806] [] ? trace_hardirqs_on+0x10/0x10 [ 25.598813] [] __vfs_write+0x116/0x3d0 [ 25.598819] [] ? uinput_ioctl+0x60/0x60 [ 25.598825] [] ? __vfs_read+0x3c0/0x3c0 [ 25.598833] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 25.598840] [] ? avc_policy_seqno+0x9/0x20 [ 25.598847] [] ? selinux_file_permission+0x2f5/0x450 [ 25.598855] [] ? security_file_permission+0x91/0x1e0 [ 25.598861] [] ? rw_verify_area+0x103/0x2f0 [ 25.598867] [] vfs_write+0x182/0x4e0 [ 25.598873] [] SyS_write+0xdc/0x1c0 [ 25.598879] [] ? SyS_read+0x1c0/0x1c0 [ 25.598886] [] ? do_fast_syscall_32+0xd6/0xa90 [ 25.598891] [] ? SyS_read+0x1c0/0x1c0 [ 25.598898] [] do_fast_syscall_32+0x32d/0xa90 [ 25.598905] [] sysenter_flags_fixed+0xd/0x1a [ 25.605423] Kernel Offset: disabled [ 25.805216] Rebooting in 86400 seconds..