executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 39.826640] syzkaller585208: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 39.831346] udevd invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=-1000 [ 39.831358] udevd cpuset=/ mems_allowed=0-1 [ 39.831436] CPU: 3 PID: 3055 Comm: udevd Not tainted 4.13.0-rc6-next-20170825+ #9 [ 39.831439] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 39.831441] Call Trace: [ 39.831452] dump_stack+0x194/0x257 [ 39.831462] ? arch_local_irq_restore+0x53/0x53 [ 39.831474] ? check_noncircular+0x20/0x20 [ 39.831485] dump_header+0x234/0xa0e [ 39.831498] ? pagefault_out_of_memory+0x152/0x152 [ 39.831502] ? mark_held_locks+0xb2/0x100 [ 39.831508] ? retint_kernel+0x10/0x10 [ 39.831515] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 39.831521] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 39.831530] ? retint_kernel+0x10/0x10 [ 39.831544] ? _raw_spin_unlock_irqrestore+0x5e/0xba [ 39.831552] ? ___ratelimit+0x95/0x630 [ 39.831558] ? idr_get_free+0xff0/0xff0 [ 39.831561] ? lock_downgrade+0x990/0x990 [ 39.831568] ? cred_has_capability+0x1a0/0x3d0 [ 39.831578] oom_kill_process+0x86d/0x13d0 [ 39.831586] ? lock_release+0xd70/0xd70 [ 39.831596] ? oom_evaluate_task+0x480/0x480 [ 39.831603] ? security_capable_noaudit+0x8b/0xc0 [ 39.831612] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 39.831617] ? check_noncircular+0x20/0x20 [ 39.831620] ? has_capability+0x30/0x30 [ 39.831633] ? has_capability_noaudit+0x24/0x30 [ 39.831638] ? oom_badness+0xdf/0xb80 [ 39.831648] ? find_held_lock+0x39/0x1d0 [ 39.831661] ? lock_downgrade+0x990/0x990 [ 39.831671] ? out_of_memory+0x8c1/0x11d0 [ 39.831676] ? oom_reaper+0x4d0/0x4d0 [ 39.831684] ? lock_release+0xd70/0xd70 [ 39.831689] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 39.831699] ? oom_evaluate_task+0x284/0x480 [ 39.831708] out_of_memory+0x7dd/0x11d0 [ 39.831719] ? oom_killer_disable+0x310/0x310 [ 39.831723] ? mutex_trylock+0x23a/0x2d0 [ 39.831729] ? rcu_pm_notify+0xc0/0xc0 [ 39.831734] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 39.831752] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 39.831816] ? warn_alloc+0x2f0/0x2f0 [ 39.831823] ? vfs_statx+0xe9/0x190 [ 39.831831] ? warn_alloc+0x2f0/0x2f0 [ 39.831838] ? save_stack_trace+0x16/0x20 [ 39.831851] ? check_noncircular+0x20/0x20 [ 39.831862] ? debug_check_no_locks_freed+0x3d0/0x3d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 39.831866] ? save_stack_trace+0x16/0x20 [ 39.831883] ? find_held_lock+0x39/0x1d0 [ 39.831899] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 39.831917] ? check_same_owner+0x320/0x320 [ 39.831929] ? __might_sleep+0x95/0x190 [ 39.831938] __alloc_pages_nodemask+0x9f7/0xd80 [ 39.831953] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 39.832012] ? __alloc_pages_nodemask+0xae5/0xd80 [ 39.832020] ? find_held_lock+0x39/0x1d0 [ 39.832030] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 39.832059] ? cache_grow_begin+0x31b/0x400 [ 39.832068] cache_grow_begin+0x86/0x400 [ 39.832077] fallback_alloc+0x150/0x2b0 [ 39.832088] ____cache_alloc_node+0x1cf/0x1e0 [ 39.832096] kmem_cache_alloc+0x287/0x760 [ 39.832100] ? do_raw_spin_trylock+0x190/0x190 [ 39.832112] getname_flags+0xcb/0x580 [ 39.832116] ? mnt_get_count+0x160/0x160 [ 39.832128] user_path_at_empty+0x2d/0x50 [ 39.832136] vfs_statx+0xe9/0x190 [ 39.832142] ? vfs_statx_fd+0x90/0x90 [ 39.832146] ? mntput+0x66/0x90 [ 39.832152] ? path_put+0x50/0x70 [ 39.832157] ? do_utimes+0x190/0x2b0 [ 39.832164] SYSC_newstat+0x87/0xf0 [ 39.832168] ? cp_new_stat+0xa40/0xa40 [ 39.832178] ? SyS_utimensat+0xf0/0x180 [ 39.832184] ? entry_SYSCALL_64_fastpath+0x5/0xbe [ 39.832190] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 39.832196] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 39.832205] SyS_newstat+0x1d/0x30 [ 39.832211] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 39.832215] RIP: 0033:0x7fa54d850c65 [ 39.832218] RSP: 002b:00007ffe893c8128 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 39.832223] RAX: ffffffffffffffda RBX: 00007ffe893c81c0 RCX: 00007fa54d850c65 [ 39.832225] RDX: 00007ffe893c8130 RSI: 00007ffe893c8130 RDI: 00007ffe893c81c0 [ 39.832232] RBP: 0000000000000086 R08: 00000000000007ff R09: 000000000000000a [ 39.832235] R10: 00007fa54d7fd940 R11: 0000000000000246 R12: 00000000ffffffff [ 39.832239] R13: 0000000000420298 R14: 00007ffe893c4e42 R15: 000000000000000b [ 39.832270] Mem-Info: [ 39.832283] active_anon:4136 inactive_anon:41 isolated_anon:0 [ 39.832283] active_file:19 inactive_file:4 isolated_file:0 [ 39.832283] unevictable:0 dirty:0 writeback:0 unstable:0 [ 39.832283] slab_reclaimable:53348 slab_unreclaimable:328367 [ 39.832283] mapped:6 shmem:76 pagetables:343 bounce:0 [ 39.832283] free:18403 free_pcp:30 free_cma:0 [ 39.832293] Node 0 active_anon:11688kB inactive_anon:68kB active_file:16kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:180kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 39.832299] Node 1 active_anon:4856kB inactive_anon:96kB active_file:60kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:124kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 39.832301] Node 0 DMA free:4160kB min:640kB low:800kB high:960kB active_anon:56kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 39.832309] lowmem_reserve[]: 0 886 886 886 [ 39.832320] Node 0 DMA32 free:37092kB min:36536kB low:45668kB high:54800kB active_anon:11632kB inactive_anon:68kB active_file:16kB inactive_file:52kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1984kB pagetables:612kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 39.832329] lowmem_reserve[]: 0 0 0 0 [ 39.832340] Node 1 DMA32 free:32360kB min:30404kB low:38004kB high:45604kB active_anon:4856kB inactive_anon:96kB active_file:256kB inactive_file:164kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2176kB pagetables:760kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 39.832352] lowmem_reserve[]: 0 0 0 0 [ 39.832364] Node 0 DMA: 10*4kB (UM) 1*8kB (E) 3*16kB (UME) 1*32kB (M) 1*64kB (E) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4160kB [ 39.832417] Node 0 DMA32: 236*4kB (UME) 301*8kB (UME) 213*16kB (UME) 107*32kB (UME) 50*64kB (UME) 12*128kB (UME) 5*256kB (M) 3*512kB (ME) 3*1024kB (UME) 4*2048kB (ME) 2*4096kB (M) = 37192kB [ 39.832476] Node 1 DMA32: 332*4kB (UMH) 727*8kB (UMEH) 336*16kB (UMEH) 105*32kB (UMH) 22*64kB (UM) 7*128kB (UME) 5*256kB (M) 2*512kB (M) 4*1024kB (UME) 0*2048kB 2*4096kB (M) = 32776kB [ 39.832533] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 39.832537] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 39.832539] 214 total pagecache pages [ 39.832543] 0 pages in swap cache [ 39.832546] Swap cache stats: add 0, delete 0, find 0/0 [ 39.832548] Free swap = 0kB [ 39.832550] Total swap = 0kB [ 39.832552] 524186 pages RAM [ 39.832555] 0 pages HighMem/MovableOnly [ 39.832557] 103968 pages reserved [ 39.832559] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 39.832602] [ 1522] 0 1522 7032 1822 20 3 0 -1000 udevd [ 39.832623] [ 2833] 0 2833 2493 572 9 3 0 0 dhclient [ 39.832630] [ 2963] 0 2963 14265 174 23 3 0 0 rsyslogd [ 39.832637] [ 2998] 0 2998 4725 49 15 3 0 0 cron [ 39.832643] [ 3024] 0 3024 12490 153 29 3 0 -1000 sshd [ 39.832650] [ 3048] 0 3048 3694 40 13 3 0 0 getty [ 39.832656] [ 3049] 0 3049 3694 41 13 3 0 0 getty [ 39.832663] [ 3050] 0 3050 3694 40 14 3 0 0 getty [ 39.832669] [ 3051] 0 3051 3694 41 13 3 0 0 getty [ 39.832676] [ 3052] 0 3052 3694 40 13 3 0 0 getty [ 39.832682] [ 3053] 0 3053 3694 42 13 3 0 0 getty [ 39.832691] [ 3054] 0 3054 3649 39 12 3 0 0 getty [ 39.832699] [ 3055] 0 3055 5381 180 15 3 0 -1000 udevd [ 39.832705] [ 3056] 0 3056 5381 180 15 3 0 -1000 udevd [ 39.832711] [ 3079] 0 3079 17820 196 39 3 0 0 sshd [ 39.832718] [ 3081] 0 3081 277 1 4 2 0 0 syzkaller585208 [ 39.832725] [ 3082] 0 3082 277 14 4 2 0 0 syzkaller585208 [ 39.832731] [ 3083] 0 3083 277 14 4 2 0 0 syzkaller585208 [ 39.832738] [ 3084] 0 3084 277 14 4 2 0 0 syzkaller585208 [ 39.832744] [ 3085] 0 3085 277 14 4 2 0 0 syzkaller585208 [ 39.832751] [ 3086] 0 3086 4372 14 5 2 0 0 syzkaller585208 [ 39.832762] [ 3087] 0 3087 4372 14 5 2 0 0 syzkaller585208 [ 39.832772] [ 3088] 0 3088 277 14 4 2 0 0 syzkaller585208 [ 39.832783] [ 3089] 0 3089 4372 526 5 2 0 0 syzkaller585208 [ 39.832794] [ 3090] 0 3090 277 14 4 2 0 0 syzkaller585208 [ 39.832804] [ 3091] 0 3091 277 14 4 2 0 0 syzkaller585208 [ 39.832815] [ 3092] 0 3092 4372 14 5 2 0 0 syzkaller585208 [ 39.832824] [ 3093] 0 3093 277 14 4 2 0 0 syzkaller585208 [ 39.832831] [ 3094] 0 3094 4372 14 5 2 0 0 syzkaller585208 [ 39.832837] [ 3095] 0 3095 4372 14 5 2 0 0 syzkaller585208 [ 39.832843] [ 3096] 0 3096 4372 14 5 2 0 0 syzkaller585208 [ 39.832850] [ 3097] 0 3097 4372 14 5 2 0 0 syzkaller585208 [ 39.832854] Out of memory: Kill process 2833 (dhclient) score 1 or sacrifice child [ 39.832934] Killed process 2833 (dhclient) total-vm:9972kB, anon-rss:2288kB, file-rss:0kB, shmem-rss:0kB [ 39.836218] oom_reaper: reaped process 2833 (dhclient), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 40.095385] syzkaller585208 cpuset=/ mems_allowed=0-1 [ 40.096264] CPU: 1 PID: 3095 Comm: syzkaller585208 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 40.097192] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 40.098034] Call Trace: [ 40.098389] dump_stack+0x194/0x257 [ 40.098836] ? arch_local_irq_restore+0x53/0x53 [ 40.099345] ? isolate_lru_page+0x11d0/0x11d0 [ 40.100014] warn_alloc+0x1c2/0x2f0 [ 40.100357] ? zone_watermark_ok_safe+0x430/0x430 [ 40.100878] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 40.101496] ? warn_alloc+0x2f0/0x2f0 [ 40.102091] ? SyS_ioctl+0x8f/0xc0 [ 40.102470] ? warn_alloc+0x2f0/0x2f0 [ 40.103030] ? save_stack_trace+0x16/0x20 [ 40.103491] ? check_noncircular+0x20/0x20 [ 40.104203] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 40.104829] ? find_held_lock+0x39/0x1d0 [ 40.105440] ? lock_downgrade+0x990/0x990 [ 40.105929] ? check_same_owner+0x320/0x320 [ 40.106436] ? rcu_note_context_switch+0x710/0x710 [ 40.106957] ? check_noncircular+0x20/0x20 [ 40.107917] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 40.108964] ? __might_sleep+0x95/0x190 [ 40.109439] __alloc_pages_nodemask+0x9f7/0xd80 [ 40.109972] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 40.110552] ? __alloc_pages_nodemask+0xae5/0xd80 [ 40.113358] ? find_held_lock+0x39/0x1d0 [ 40.113765] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 40.114404] ? cache_grow_begin+0x31b/0x400 [ 40.115102] cache_grow_begin+0x86/0x400 [ 40.115537] fallback_alloc+0x150/0x2b0 [ 40.116262] ____cache_alloc_node+0x1cf/0x1e0 [ 40.116862] kmem_cache_alloc_trace+0x27d/0x750 [ 40.117901] ? lock_downgrade+0x990/0x990 [ 40.118455] kvm_dev_ioctl+0x216/0x1840 [ 40.119329] ? lock_release+0xd70/0xd70 [ 40.120161] ? install_new_memslots+0x420/0x420 [ 40.121051] ? avc_has_extended_perms+0x7fa/0x12c0 [ 40.122053] ? unwind_get_return_address+0x61/0xa0 [ 40.127578] ? avc_ss_reset+0x110/0x110 [ 40.128007] ? putname+0xee/0x130 [ 40.128346] ? save_stack+0xa3/0xd0 [ 40.131347] ? save_stack_trace+0x16/0x20 [ 40.131684] ? save_stack+0x43/0xd0 [ 40.131998] ? kasan_slab_free+0x71/0xc0 [ 40.132331] ? kmem_cache_free+0x77/0x280 [ 40.132908] ? putname+0xee/0x130 [ 40.133198] ? do_sys_open+0x31b/0x6d0 [ 40.133525] ? __lock_is_held+0xbc/0x140 [ 40.133916] ? check_same_owner+0x320/0x320 [ 40.134329] ? rcu_note_context_switch+0x710/0x710 [ 40.134713] ? install_new_memslots+0x420/0x420 [ 40.135036] do_vfs_ioctl+0x1b1/0x1530 [ 40.135341] ? _cond_resched+0x14/0x30 [ 40.135685] ? ioctl_preallocate+0x2b0/0x2b0 [ 40.136017] ? selinux_capable+0x40/0x40 [ 40.136309] ? putname+0xf3/0x130 [ 40.136563] ? security_file_ioctl+0x7d/0xb0 [ 40.136866] ? security_file_ioctl+0x89/0xb0 [ 40.137184] SyS_ioctl+0x8f/0xc0 [ 40.137442] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 40.137777] RIP: 0033:0x435e19 [ 40.138007] RSP: 002b:00007ffc42bebef8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 40.138547] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000435e19 [ 40.139117] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002df [ 40.139750] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 40.140341] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 40.141293] R13: 0000000000402120 R14: 00000000004021b0 R15: 0000000000000000 [ 40.147944] Mem-Info: [ 40.155874] active_anon:3075 inactive_anon:41 isolated_anon:0 [ 40.155874] active_file:283 inactive_file:297 isolated_file:72 [ 40.155874] unevictable:0 dirty:0 writeback:0 unstable:0 [ 40.155874] slab_reclaimable:53447 slab_unreclaimable:329163 [ 40.155874] mapped:550 shmem:76 pagetables:334 bounce:0 [ 40.155874] free:17752 free_pcp:657 free_cma:0 [ 40.169636] Node 0 active_anon:8140kB inactive_anon:68kB active_file:136kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:156kB dirty:0kB writeback:0kB shmem:180kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 40.171943] Node 1 active_anon:4160kB inactive_anon:96kB active_file:996kB inactive_file:1300kB unevictable:0kB isolated(anon):0kB isolated(file):256kB mapped:2144kB dirty:0kB writeback:0kB shmem:124kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 40.174201] Node 0 DMA free:4160kB min:640kB low:800kB high:960kB active_anon:56kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 40.195857] lowmem_reserve[]: 0 886 886 886 [ 40.196274] Node 0 DMA32 free:36160kB min:36536kB low:45668kB high:54800kB active_anon:8072kB inactive_anon:68kB active_file:36kB inactive_file:268kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1952kB pagetables:572kB bounce:0kB free_pcp:1512kB local_pcp:32kB free_cma:0kB [ 40.198579] lowmem_reserve[]: 0 0 0 0 [ 40.198922] Node 1 DMA32 free:30688kB min:30404kB low:38004kB high:45604kB active_anon:4356kB inactive_anon:96kB active_file:332kB inactive_file:1088kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2176kB pagetables:764kB bounce:0kB free_pcp:1360kB local_pcp:188kB free_cma:0kB [ 40.201324] lowmem_reserve[]: 0 0 0 0 [ 40.201668] Node 0 DMA: 10*4kB (UM) 1*8kB (E) 3*16kB (UME) 1*32kB (M) 1*64kB (E) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4160kB [ 40.202973] Node 0 DMA32: 144*4kB (M) 232*8kB (UME) 228*16kB (UM) 116*32kB (UM) 54*64kB (UM) 11*128kB (M) 6*256kB (UM) 3*512kB (ME) 2*1024kB (ME) 4*2048kB (UME) 2*4096kB (M) = 36160kB [ 40.215176] Node 1 DMA32: 5*4kB (H) 522*8kB (UMH) 336*16kB (UMEH) 106*32kB (UMH) 23*64kB (UME) 7*128kB (UME) 5*256kB (M) 3*512kB (ME) 3*1024kB (UM) 0*2048kB 2*4096kB (M) = 29412kB [ 40.216610] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 40.217449] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 40.218461] 738 total pagecache pages [ 40.218785] 0 pages in swap cache [ 40.219103] Swap cache stats: add 0, delete 0, find 0/0 [ 40.219529] Free swap = 0kB [ 40.219760] Total swap = 0kB [ 40.220031] 524186 pages RAM [ 40.220295] 0 pages HighMem/MovableOnly [ 40.220627] 103968 pages reserved executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.841645] syzkaller585208: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 41.842537] syzkaller585208 cpuset=/ mems_allowed=0-1 [ 41.842932] CPU: 3 PID: 3087 Comm: syzkaller585208 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 41.843591] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 41.844265] Call Trace: [ 41.844650] dump_stack+0x194/0x257 [ 41.845182] ? arch_local_irq_restore+0x53/0x53 [ 41.845865] ? flush_work+0x621/0x930 [ 41.846429] warn_alloc+0x1c2/0x2f0 [ 41.846976] ? zone_watermark_ok_safe+0x430/0x430 [ 41.847535] ? mutex_unlock+0xd/0x10 [ 41.847856] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 41.848243] ? warn_alloc+0x2f0/0x2f0 [ 41.848510] ? SyS_ioctl+0x8f/0xc0 [ 41.848766] ? warn_alloc+0x2f0/0x2f0 [ 41.849038] ? save_stack_trace+0x16/0x20 [ 41.849531] ? check_noncircular+0x20/0x20 [ 41.849887] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 41.850333] ? find_held_lock+0x39/0x1d0 [ 41.850702] ? lock_downgrade+0x990/0x990 [ 41.851291] ? check_same_owner+0x320/0x320 [ 41.853128] ? rcu_note_context_switch+0x710/0x710 [ 41.853716] ? check_noncircular+0x20/0x20 [ 41.854239] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 41.855067] ? __might_sleep+0x95/0x190 [ 41.855791] __alloc_pages_nodemask+0x9f7/0xd80 [ 41.863923] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 41.865507] ? __alloc_pages_nodemask+0xae5/0xd80 [ 41.866150] ? find_held_lock+0x39/0x1d0 [ 41.866857] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 41.867391] ? cache_grow_begin+0x31b/0x400 [ 41.867824] cache_grow_begin+0x86/0x400 [ 41.868234] fallback_alloc+0x150/0x2b0 [ 41.868663] ____cache_alloc_node+0x1cf/0x1e0 [ 41.869109] kmem_cache_alloc_trace+0x27d/0x750 [ 41.869665] ? lock_downgrade+0x990/0x990 [ 41.870277] kvm_dev_ioctl+0x216/0x1840 [ 41.871753] ? lock_release+0xd70/0xd70 [ 41.872137] ? install_new_memslots+0x420/0x420 [ 41.872592] ? avc_has_extended_perms+0x7fa/0x12c0 [ 41.873100] ? unwind_get_return_address+0x61/0xa0 [ 41.873586] ? avc_ss_reset+0x110/0x110 [ 41.873953] ? putname+0xee/0x130 [ 41.875232] ? save_stack+0xa3/0xd0 [ 41.875601] ? save_stack_trace+0x16/0x20 [ 41.876008] ? save_stack+0x43/0xd0 [ 41.876364] ? kasan_slab_free+0x71/0xc0 [ 41.876768] ? kmem_cache_free+0x77/0x280 [ 41.877115] ? putname+0xee/0x130 [ 41.877445] ? do_sys_open+0x31b/0x6d0 [ 41.877814] ? __lock_is_held+0xbc/0x140 [ 41.878252] ? check_same_owner+0x320/0x320 [ 41.878682] ? rcu_note_context_switch+0x710/0x710 [ 41.879129] ? install_new_memslots+0x420/0x420 [ 41.879616] do_vfs_ioctl+0x1b1/0x1530 [ 41.880346] ? _cond_resched+0x14/0x30 [ 41.881057] ? ioctl_preallocate+0x2b0/0x2b0 [ 41.882838] ? selinux_capable+0x40/0x40 [ 41.883478] ? putname+0xf3/0x130 [ 41.884044] ? security_file_ioctl+0x7d/0xb0 [ 41.884764] ? security_file_ioctl+0x89/0xb0 [ 41.885391] SyS_ioctl+0x8f/0xc0 [ 41.885911] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 41.886298] RIP: 0033:0x435e19 [ 41.886604] RSP: 002b:00007ffc42bebef8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 41.887303] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000435e19 [ 41.888213] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000351 [ 41.889219] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 41.890283] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 41.891330] R13: 0000000000402120 R14: 00000000004021b0 R15: 0000000000000000 [ 41.903643] Mem-Info: [ 41.916178] active_anon:3066 inactive_anon:42 isolated_anon:0 [ 41.916178] active_file:55 inactive_file:145 isolated_file:22 [ 41.916178] unevictable:0 dirty:0 writeback:0 unstable:0 [ 41.916178] slab_reclaimable:53618 slab_unreclaimable:329338 [ 41.916178] mapped:133 shmem:76 pagetables:334 bounce:0 [ 41.916178] free:18106 free_pcp:111 free_cma:0 [ 41.921071] Node 0 active_anon:8080kB inactive_anon:68kB active_file:32kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 41.928787] Node 1 active_anon:4184kB inactive_anon:100kB active_file:320kB inactive_file:552kB unevictable:0kB isolated(anon):0kB isolated(file):88kB mapped:656kB dirty:0kB writeback:0kB shmem:128kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 41.942419] Node 0 DMA free:4160kB min:640kB low:800kB high:960kB active_anon:56kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 41.947660] lowmem_reserve[]: 0 886 886 886 [ 41.948937] Node 0 DMA32 free:36420kB min:36536kB low:45668kB high:54800kB active_anon:8024kB inactive_anon:68kB active_file:32kB inactive_file:36kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1952kB pagetables:560kB bounce:0kB free_pcp:240kB local_pcp:240kB free_cma:0kB [ 41.964360] lowmem_reserve[]: 0 0 0 0 [ 41.964759] Node 1 DMA32 free:31520kB min:30404kB low:38004kB high:45604kB active_anon:4184kB inactive_anon:100kB active_file:480kB inactive_file:660kB unevictable:0kB writepending:16kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2176kB pagetables:776kB bounce:0kB free_pcp:368kB local_pcp:0kB free_cma:0kB [ 41.967802] lowmem_reserve[]: 0 0 0 0 [ 41.968425] syzkaller585208: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 41.968437] syzkaller585208 cpuset=/ mems_allowed=0-1 [ 41.968448] CPU: 3 PID: 3095 Comm: syzkaller585208 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 41.968450] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 41.968452] Call Trace: [ 41.968459] dump_stack+0x194/0x257 [ 41.968467] ? arch_local_irq_restore+0x53/0x53 [ 41.968473] ? flush_work+0x621/0x930 [ 41.968483] warn_alloc+0x1c2/0x2f0 [ 41.968488] ? zone_watermark_ok_safe+0x430/0x430 [ 41.968492] ? mutex_unlock+0xd/0x10 [ 41.968512] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 41.968551] ? warn_alloc+0x2f0/0x2f0 [ 41.968557] ? SyS_ioctl+0x8f/0xc0 [ 41.968565] ? warn_alloc+0x2f0/0x2f0 [ 41.968571] ? save_stack_trace+0x16/0x20 [ 41.968584] ? check_noncircular+0x20/0x20 [ 41.968595] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 41.968610] ? find_held_lock+0x39/0x1d0 [ 41.968625] ? lock_downgrade+0x990/0x990 [ 41.968655] ? check_same_owner+0x320/0x320 [ 41.968666] ? rcu_note_context_switch+0x710/0x710 [ 41.968673] ? check_noncircular+0x20/0x20 [ 41.968679] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 41.968689] ? __might_sleep+0x95/0x190 [ 41.968701] __alloc_pages_nodemask+0x9f7/0xd80 [ 41.968715] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 41.968721] ? __alloc_pages_nodemask+0xae5/0xd80 [ 41.968729] ? find_held_lock+0x39/0x1d0 [ 41.968739] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 41.968773] ? cache_grow_begin+0x31b/0x400 [ 41.968789] cache_grow_begin+0x86/0x400 [ 41.968806] fallback_alloc+0x150/0x2b0 [ 41.968824] ____cache_alloc_node+0x1cf/0x1e0 [ 41.968837] kmem_cache_alloc_trace+0x27d/0x750 [ 41.968844] ? lock_downgrade+0x990/0x990 [ 41.968862] kvm_dev_ioctl+0x216/0x1840 [ 41.968873] ? lock_release+0xd70/0xd70 [ 41.968884] ? install_new_memslots+0x420/0x420 [ 41.968910] ? avc_has_extended_perms+0x7fa/0x12c0 [ 41.968915] ? unwind_get_return_address+0x61/0xa0 [ 41.968932] ? avc_ss_reset+0x110/0x110 [ 41.968941] ? putname+0xee/0x130 [ 41.968948] ? save_stack+0xa3/0xd0 [ 41.968955] ? save_stack_trace+0x16/0x20 [ 41.968960] ? save_stack+0x43/0xd0 [ 41.968965] ? kasan_slab_free+0x71/0xc0 [ 41.968970] ? kmem_cache_free+0x77/0x280 [ 41.968974] ? putname+0xee/0x130 [ 41.968981] ? do_sys_open+0x31b/0x6d0 [ 41.968994] ? __lock_is_held+0xbc/0x140 [ 41.969024] ? check_same_owner+0x320/0x320 [ 41.969035] ? rcu_note_context_switch+0x710/0x710 [ 41.969051] ? install_new_memslots+0x420/0x420 [ 41.969057] do_vfs_ioctl+0x1b1/0x1530 [ 41.969062] ? _cond_resched+0x14/0x30 [ 41.969073] ? ioctl_preallocate+0x2b0/0x2b0 [ 41.969084] ? selinux_capable+0x40/0x40 [ 41.969093] ? putname+0xf3/0x130 [ 41.969119] ? security_file_ioctl+0x7d/0xb0 [ 41.969125] ? security_file_ioctl+0x89/0xb0 [ 41.969140] SyS_ioctl+0x8f/0xc0 [ 41.969153] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 41.969159] RIP: 0033:0x435e19 [ 41.969163] RSP: 002b:00007ffc42bebef8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 41.969173] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000435e19 [ 41.969177] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002e4 [ 41.969182] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 41.969187] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 41.969191] R13: 0000000000402120 R14: 00000000004021b0 R15: 0000000000000000 [ 42.010444] Node 0 DMA: 10*4kB (UM) 1*8kB (E) 3*16kB (UME) 1*32kB (M) 1*64kB (E) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4160kB [ 42.012759] Node 0 DMA32: 299*4kB (UM) 216*8kB (UM) 207*16kB (UM) 123*32kB (UME) 66*64kB (UM) 12*128kB (ME) 8*256kB (ME) 2*512kB (M) 3*1024kB (UME) 3*2048kB (ME) 2*4096kB (M) = 36412kB [ 42.015675] Node 1 DMA32: 122*4kB (UMH) 735*8kB (UMEH) 390*16kB (UMEH) 131*32kB (UMEH) 35*64kB (UM) 7*128kB (UME) 7*256kB (UME) 3*512kB (UM) 2*1024kB (M) 1*2048kB (U) 1*4096kB (M) = 31456kB [ 42.017278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.017887] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.018449] 309 total pagecache pages [ 42.018708] 0 pages in swap cache [ 42.018961] Swap cache stats: add 0, delete 0, find 0/0 [ 42.019465] Free swap = 0kB [ 42.019800] Total swap = 0kB [ 42.020124] 524186 pages RAM [ 42.020437] 0 pages HighMem/MovableOnly [ 42.020782] 103968 pages reserved executing program executing program executing program executing program [ 42.567300] syzkaller585208 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 42.568319] syzkaller585208 cpuset=/ mems_allowed=0-1 [ 42.568676] CPU: 1 PID: 3089 Comm: syzkaller585208 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 42.569327] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 42.569817] Call Trace: [ 42.569971] dump_stack+0x194/0x257 [ 42.570206] ? arch_local_irq_restore+0x53/0x53 [ 42.570504] ? check_noncircular+0x20/0x20 [ 42.570749] dump_header+0x234/0xa0e [ 42.570967] ? pagefault_out_of_memory+0x152/0x152 [ 42.571335] ? lock_acquire+0x1d5/0x580 [ 42.571638] ? ___ratelimit+0x152/0x630 [ 42.571986] ? do_raw_spin_trylock+0x190/0x190 [ 42.572376] ? mark_held_locks+0xb2/0x100 [ 42.572671] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 42.573256] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.573984] ? trace_hardirqs_on+0xd/0x10 [ 42.574702] ? ___ratelimit+0x95/0x630 [ 42.575326] ? idr_get_free+0xff0/0xff0 [ 42.575927] ? lock_downgrade+0x990/0x990 [ 42.576495] ? cred_has_capability+0x1a0/0x3d0 [ 42.577116] oom_kill_process+0x86d/0x13d0 [ 42.577676] ? lock_release+0xd70/0xd70 [ 42.578232] ? oom_evaluate_task+0x480/0x480 [ 42.578812] ? security_capable_noaudit+0x8b/0xc0 [ 42.579460] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 42.580133] ? check_noncircular+0x20/0x20 [ 42.580689] ? has_capability+0x30/0x30 [ 42.581227] ? has_capability_noaudit+0x24/0x30 [ 42.582216] ? oom_badness+0xdf/0xb80 [ 42.582900] ? find_held_lock+0x39/0x1d0 [ 42.583466] ? lock_downgrade+0x990/0x990 [ 42.584041] ? out_of_memory+0x8c1/0x11d0 [ 42.584703] ? oom_reaper+0x4d0/0x4d0 [ 42.585572] ? lock_release+0xd70/0xd70 [ 42.586116] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 42.587909] ? oom_evaluate_task+0x284/0x480 [ 42.588642] out_of_memory+0x7dd/0x11d0 [ 42.589237] ? oom_killer_disable+0x310/0x310 [ 42.589987] ? mutex_trylock+0x23a/0x2d0 [ 42.590581] ? rcu_pm_notify+0xc0/0xc0 [ 42.591139] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 42.591902] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 42.592739] ? warn_alloc+0x2f0/0x2f0 [ 42.593281] ? do_sys_open+0x2e7/0x6d0 [ 42.593938] ? warn_alloc+0x2f0/0x2f0 [ 42.594581] ? save_stack_trace+0x16/0x20 [ 42.595325] ? check_noncircular+0x20/0x20 [ 42.596123] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 42.596966] ? lru_cache_add+0x1c7/0x3a0 [ 42.597623] ? lru_cache_add_file+0x20/0x20 [ 42.598254] ? find_held_lock+0x39/0x1d0 [ 42.598985] ? check_same_owner+0x320/0x320 [ 42.599673] ? __might_sleep+0x95/0x190 [ 42.600343] __alloc_pages_nodemask+0x9f7/0xd80 [ 42.601098] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 42.601803] ? __alloc_pages_nodemask+0xae5/0xd80 [ 42.602600] ? find_held_lock+0x39/0x1d0 [ 42.603252] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 42.604082] ? cache_grow_begin+0x31b/0x400 [ 42.604728] cache_grow_begin+0x86/0x400 [ 42.605306] fallback_alloc+0x150/0x2b0 [ 42.605949] ____cache_alloc_node+0x1cf/0x1e0 [ 42.606633] kmem_cache_alloc+0x287/0x760 [ 42.607336] getname_flags+0xcb/0x580 [ 42.608942] ? do_page_fault+0x70/0x70 [ 42.609494] getname+0x19/0x20 [ 42.609951] do_sys_open+0x2e7/0x6d0 [ 42.610474] ? filp_open+0x70/0x70 [ 42.610950] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.611820] SyS_openat+0x30/0x40 [ 42.612317] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 42.612946] RIP: 0033:0x435e19 [ 42.613409] RSP: 002b:00007ffc42bebef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 42.614584] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000435e19 [ 42.615745] RDX: 0000000000000000 RSI: 0000000020851ff7 RDI: ffffffffffffff9c [ 42.616857] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 42.618175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.619467] R13: 0000000000402120 R14: 00000000004021b0 R15: 0000000000000000 [ 42.620572] Mem-Info: [ 42.622093] active_anon:3067 inactive_anon:42 isolated_anon:0 [ 42.622093] active_file:135 inactive_file:169 isolated_file:52 [ 42.622093] unevictable:0 dirty:9 writeback:1 unstable:0 [ 42.622093] slab_reclaimable:53638 slab_unreclaimable:329089 [ 42.622093] mapped:264 shmem:76 pagetables:334 bounce:0 [ 42.622093] free:18179 free_pcp:113 free_cma:0 [ 42.631696] Node 0 active_anon:8080kB inactive_anon:68kB active_file:32kB inactive_file:232kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 42.634145] Node 1 active_anon:4188kB inactive_anon:100kB active_file:508kB inactive_file:644kB unevictable:0kB isolated(anon):0kB isolated(file):208kB mapped:888kB dirty:36kB writeback:4kB shmem:128kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 42.637091] Node 0 DMA free:4160kB min:640kB low:800kB high:960kB active_anon:56kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 42.641718] lowmem_reserve[]: 0 886 886 886 [ 42.642542] Node 0 DMA32 free:36016kB min:36536kB low:45668kB high:54800kB active_anon:8024kB inactive_anon:68kB active_file:92kB inactive_file:404kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1952kB pagetables:560kB bounce:0kB free_pcp:676kB local_pcp:0kB free_cma:0kB [ 42.646938] lowmem_reserve[]: 0 0 0 0 [ 42.647504] Node 1 DMA32 free:30932kB min:30404kB low:38004kB high:45604kB active_anon:4188kB inactive_anon:100kB active_file:544kB inactive_file:660kB unevictable:0kB writepending:40kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2176kB pagetables:776kB bounce:0kB free_pcp:944kB local_pcp:0kB free_cma:0kB [ 42.650331] lowmem_reserve[]: 0 0 0 0 [ 42.651437] Node 0 DMA: 10*4kB (UM) 1*8kB (E) 3*16kB (UME) 1*32kB (M) 1*64kB (E) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4160kB [ 42.653079] Node 0 DMA32: 173*4kB (UM) 303*8kB (UME) 231*16kB (UME) 128*32kB (UM) 66*64kB (UM) 12*128kB (UM) 8*256kB (ME) 2*512kB (M) 2*1024kB (ME) 3*2048kB (ME) 2*4096kB (M) = 36124kB [ 42.654761] Node 1 DMA32: 47*4kB (MEH) 704*8kB (UMEH) 390*16kB (UMEH) 131*32kB (UMEH) 36*64kB (UME) 7*128kB (UME) 6*256kB (UM) 3*512kB (UM) 2*1024kB (M) 1*2048kB (U) 1*4096kB (M) = 30716kB [ 42.656709] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.657639] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.658482] 466 total pagecache pages [ 42.658932] 0 pages in swap cache [ 42.659377] Swap cache stats: add 0, delete 0, find 0/0 [ 42.659834] Free swap = 0kB [ 42.660103] Total swap = 0kB [ 42.660393] 524186 pages RAM [ 42.660671] 0 pages HighMem/MovableOnly [ 42.661100] 103968 pages reserved [ 42.661441] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 42.662327] [ 1522] 0 1522 7065 1836 20 3 0 -1000 udevd [ 42.663396] [ 2963] 0 2963 14265 185 23 3 0 0 rsyslogd [ 42.664311] [ 2998] 0 2998 4725 49 15 3 0 0 cron [ 42.665088] [ 3024] 0 3024 12490 153 29 3 0 -1000 sshd [ 42.666106] [ 3048] 0 3048 3694 40 13 3 0 0 getty [ 42.667347] [ 3049] 0 3049 3694 41 13 3 0 0 getty [ 42.668161] [ 3050] 0 3050 3694 40 14 3 0 0 getty [ 42.668953] [ 3051] 0 3051 3694 41 13 3 0 0 getty [ 42.669904] [ 3052] 0 3052 3694 40 13 3 0 0 getty [ 42.670768] [ 3053] 0 3053 3694 42 13 3 0 0 getty [ 42.672534] [ 3054] 0 3054 3649 39 12 3 0 0 getty [ 42.673379] [ 3055] 0 3055 5381 179 15 3 0 -1000 udevd [ 42.674311] [ 3056] 0 3056 5381 180 15 3 0 -1000 udevd [ 42.675196] [ 3079] 0 3079 17820 197 39 3 0 0 sshd [ 42.675978] [ 3081] 0 3081 277 1 4 2 0 0 syzkaller585208 [ 42.676970] [ 3082] 0 3082 277 14 4 2 0 0 syzkaller585208 [ 42.677884] [ 3083] 0 3083 277 14 4 2 0 0 syzkaller585208 [ 42.678800] [ 3084] 0 3084 277 14 4 2 0 0 syzkaller585208 [ 42.679803] [ 3085] 0 3085 277 14 4 2 0 0 syzkaller585208 [ 42.680783] [ 3086] 0 3086 4372 14 5 2 0 0 syzkaller585208 [ 42.681656] [ 3087] 0 3087 4372 14 5 2 0 0 syzkaller585208 [ 42.682613] [ 3088] 0 3088 277 14 4 2 0 0 syzkaller585208 [ 42.683441] [ 3089] 0 3089 4372 14 5 2 0 0 syzkaller585208 [ 42.684455] [ 3090] 0 3090 277 14 4 2 0 0 syzkaller585208 [ 42.685324] [ 3091] 0 3091 277 14 4 2 0 0 syzkaller585208 [ 42.686246] [ 3092] 0 3092 4372 46 5 2 0 0 syzkaller585208 [ 42.687169] [ 3093] 0 3093 277 14 4 2 0 0 syzkaller585208 [ 42.688133] [ 3094] 0 3094 4372 14 5 2 0 0 syzkaller585208 [ 42.688941] [ 3095] 0 3095 4372 14 5 2 0 0 syzkaller585208 [ 42.689892] [ 3096] 0 3096 4372 14 5 2 0 0 syzkaller585208 [ 42.690753] [ 3097] 0 3097 4372 36 5 2 0 0 syzkaller585208 [ 42.691656] Out of memory: Kill process 3079 (sshd) score 0 or sacrifice child [ 42.693351] Killed process 3081 (syzkaller585208) total-vm:1108kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 42.839567] syzkaller585208 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 42.840918] syzkaller585208 cpuset=/ mems_allowed=0-1 [ 42.841480] CPU: 1 PID: 3095 Comm: syzkaller585208 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 42.842349] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 42.843736] Call Trace: [ 42.843936] dump_stack+0x194/0x257 [ 42.844391] ? arch_local_irq_restore+0x53/0x53 [ 42.844860] ? check_noncircular+0x20/0x20 [ 42.845384] dump_header+0x234/0xa0e [ 42.845757] ? pagefault_out_of_memory+0x152/0x152 [ 42.846355] ? lock_acquire+0x1d5/0x580 [ 42.846801] ? ___ratelimit+0x152/0x630 [ 42.847245] ? do_raw_spin_trylock+0x190/0x190 [ 42.847708] ? mark_held_locks+0xb2/0x100 [ 42.848124] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 42.848628] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.849123] ? trace_hardirqs_on+0xd/0x10 [ 42.849541] ? ___ratelimit+0x95/0x630 [ 42.849928] ? idr_get_free+0xff0/0xff0 [ 42.850332] ? lock_downgrade+0x990/0x990 [ 42.850756] ? cred_has_capability+0x1a0/0x3d0 [ 42.851236] oom_kill_process+0x86d/0x13d0 [ 42.851667] ? lock_release+0xd70/0xd70 [ 42.852082] ? oom_evaluate_task+0x480/0x480 [ 42.852527] ? security_capable_noaudit+0x8b/0xc0 [ 42.853012] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 42.853506] ? check_noncircular+0x20/0x20 [ 42.853789] ? has_capability+0x30/0x30 [ 42.854116] ? has_capability_noaudit+0x24/0x30 [ 42.854429] ? oom_badness+0xdf/0xb80 [ 42.854897] ? find_held_lock+0x39/0x1d0 [ 42.855348] ? lock_downgrade+0x990/0x990 [ 42.855746] ? out_of_memory+0x8c1/0x11d0 [ 42.856059] ? oom_reaper+0x4d0/0x4d0 [ 42.856468] ? lock_release+0xd70/0xd70 [ 42.856878] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 42.857495] ? oom_evaluate_task+0x284/0x480 [ 42.858030] out_of_memory+0x7dd/0x11d0 [ 42.858454] ? oom_killer_disable+0x310/0x310 [ 42.858951] ? mutex_trylock+0x23a/0x2d0 [ 42.859412] ? rcu_pm_notify+0xc0/0xc0 [ 42.859670] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 42.860050] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 42.860418] ? warn_alloc+0x2f0/0x2f0 [ 42.860671] ? do_sys_open+0x2e7/0x6d0 [ 42.860930] ? warn_alloc+0x2f0/0x2f0 [ 42.861200] ? save_stack_trace+0x16/0x20 [ 42.861489] ? retint_kernel+0x10/0x10 [ 42.861755] ? check_noncircular+0x20/0x20 [ 42.862056] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 42.862407] ? lru_cache_add+0x1c7/0x3a0 [ 42.862682] ? lru_cache_add_file+0x20/0x20 [ 42.862977] ? find_held_lock+0x39/0x1d0 [ 42.863365] ? check_same_owner+0x320/0x320 [ 42.863701] ? __might_sleep+0x95/0x190 [ 42.864450] __alloc_pages_nodemask+0x9f7/0xd80 [ 42.864927] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 42.865523] ? __alloc_pages_nodemask+0xae5/0xd80 [ 42.866073] ? find_held_lock+0x39/0x1d0 [ 42.866357] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 42.866704] ? cache_grow_begin+0x31b/0x400 [ 42.866990] cache_grow_begin+0x86/0x400 [ 42.867294] fallback_alloc+0x150/0x2b0 [ 42.867564] ____cache_alloc_node+0x1cf/0x1e0 [ 42.867868] kmem_cache_alloc+0x287/0x760 [ 42.868165] getname_flags+0xcb/0x580 [ 42.868486] ? do_page_fault+0x70/0x70 [ 42.868752] getname+0x19/0x20 [ 42.869040] do_sys_open+0x2e7/0x6d0 [ 42.869298] ? filp_open+0x70/0x70 [ 42.869612] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.869952] SyS_openat+0x30/0x40 [ 42.870208] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 42.870524] RIP: 0033:0x435e19 [ 42.870737] RSP: 002b:00007ffc42bebef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 42.871262] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000435e19 [ 42.871734] RDX: 0000000000000000 RSI: 0000000020851ff7 RDI: ffffffffffffff9c [ 42.872212] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 42.872839] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.873484] R13: 0000000000402120 R14: 00000000004021b0 R15: 0000000000000000 [ 42.874203] Mem-Info: [ 42.875193] active_anon:3062 inactive_anon:42 isolated_anon:0 [ 42.875193] active_file:21 inactive_file:251 isolated_file:9 [ 42.875193] unevictable:0 dirty:0 writeback:0 unstable:0 [ 42.875193] slab_reclaimable:53680 slab_unreclaimable:329208 [ 42.875193] mapped:221 shmem:76 pagetables:330 bounce:0 [ 42.875193] free:18009 free_pcp:138 free_cma:0 [ 42.878447] Node 0 active_anon:8052kB inactive_anon:68kB active_file:36kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:4kB writeback:0kB shmem:176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 42.880444] Node 1 active_anon:4196kB inactive_anon:100kB active_file:384kB inactive_file:720kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:904kB dirty:20kB writeback:0kB shmem:128kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 42.882224] Node 0 DMA free:4160kB min:640kB low:800kB high:960kB active_anon:56kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 42.884086] lowmem_reserve[]: 0 886 886 886 [ 42.884407] Node 0 DMA32 free:36548kB min:36536kB low:45668kB high:54800kB active_anon:7996kB inactive_anon:68kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:4kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1952kB pagetables:540kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 42.886757] lowmem_reserve[]: 0 0 0 0 [ 42.887204] Node 1 DMA32 free:31328kB min:30404kB low:38004kB high:45604kB active_anon:4196kB inactive_anon:100kB active_file:84kB inactive_file:720kB unevictable:0kB writepending:24kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2144kB pagetables:780kB bounce:0kB free_pcp:628kB local_pcp:0kB free_cma:0kB [ 42.889190] lowmem_reserve[]: 0 0 0 0 [ 42.889585] Node 0 DMA: 10*4kB (UM) 1*8kB (E) 3*16kB (UME) 1*32kB (M) 1*64kB (E) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4160kB [ 42.890685] Node 0 DMA32: 316*4kB (UME) 322*8kB (UM) 231*16kB (UME) 127*32kB (UM) 67*64kB (UM) 12*128kB (ME) 9*256kB (UME) 3*512kB (UM) 3*1024kB (UME) 4*2048kB (UME) 1*4096kB (M) = 36624kB [ 42.892045] Node 1 DMA32: 17*4kB (UMEH) 823*8kB (UMH) 394*16kB (UMH) 132*32kB (UMEH) 35*64kB (UM) 6*128kB (UM) 6*256kB (UM) 3*512kB (UM) 2*1024kB (M) 1*2048kB (U) 1*4096kB (M) = 31452kB [ 42.893309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.893956] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.894546] 373 total pagecache pages [ 42.894894] 0 pages in swap cache [ 42.895188] Swap cache stats: add 0, delete 0, find 0/0 [ 42.895646] Free swap = 0kB [ 42.895848] Total swap = 0kB [ 42.896077] 524186 pages RAM [ 42.896388] 0 pages HighMem/MovableOnly [ 42.896667] 103968 pages reserved [ 42.896954] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 42.897603] [ 1522] 0 1522 7065 1836 20 3 0 -1000 udevd [ 42.898319] [ 2963] 0 2963 14265 185 23 3 0 0 rsyslogd [ 42.898918] [ 2998] 0 2998 4725 49 15 3 0 0 cron [ 42.899527] [ 3024] 0 3024 12490 153 29 3 0 -1000 sshd [ 42.900217] [ 3048] 0 3048 3694 40 13 3 0 0 getty [ 42.900795] [ 3049] 0 3049 3694 41 13 3 0 0 getty [ 42.901442] [ 3050] 0 3050 3694 40 14 3 0 0 getty [ 42.902210] [ 3051] 0 3051 3694 41 13 3 0 0 getty [ 42.902797] [ 3052] 0 3052 3694 40 13 3 0 0 getty [ 42.903591] [ 3053] 0 3053 3694 42 13 3 0 0 getty [ 42.904203] [ 3054] 0 3054 3649 39 12 3 0 0 getty [ 42.904961] [ 3055] 0 3055 5381 179 15 3 0 -1000 udevd [ 42.905663] [ 3056] 0 3056 5381 180 15 3 0 -1000 udevd [ 42.906562] [ 3079] 0 3079 17820 197 39 3 0 0 sshd [ 42.907176] [ 3082] 0 3082 277 14 4 2 0 0 syzkaller585208 [ 42.907819] [ 3083] 0 3083 277 14 4 2 0 0 syzkaller585208 [ 42.908474] [ 3084] 0 3084 277 14 4 2 0 0 syzkaller585208 [ 42.909322] [ 3085] 0 3085 277 14 4 2 0 0 syzkaller585208 [ 42.909963] [ 3086] 0 3086 4372 14 5 2 0 0 syzkaller585208 [ 42.910810] [ 3087] 0 3087 4372 14 5 2 0 0 syzkaller585208 [ 42.911474] [ 3088] 0 3088 277 14 4 2 0 0 syzkaller585208 [ 42.912316] [ 3089] 0 3089 4372 14 5 2 0 0 syzkaller585208 [ 42.912954] [ 3090] 0 3090 277 14 4 2 0 0 syzkaller585208 [ 42.913680] [ 3091] 0 3091 277 14 4 2 0 0 syzkaller585208 [ 42.914365] [ 3092] 0 3092 4372 14 5 2 0 0 syzkaller585208 [ 42.915044] [ 3093] 0 3093 277 14 4 2 0 0 syzkaller585208 [ 42.915715] [ 3094] 0 3094 4372 14 5 2 0 0 syzkaller585208 [ 42.916383] [ 3095] 0 3095 4372 14 5 2 0 0 syzkaller585208 [ 42.917067] [ 3096] 0 3096 4372 14 5 2 0 0 syzkaller585208 [ 42.917732] [ 3097] 0 3097 4372 60 5 2 0 0 syzkaller585208 [ 42.918415] Out of memory: Kill process 3079 (sshd) score 0 or sacrifice child [ 42.918946] Killed process 3079 (sshd) total-vm:71280kB, anon-rss:784kB, file-rss:0kB, shmem-rss:4kB [ 42.921576] oom_reaper: reaped process 3079 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB Connection to localhost closed by remote host. [ 43.067253] sshd (3079) used greatest stack depth: 12288 bytes left [ 43.088912] syzkaller585208: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 43.089833] syzkaller585208 cpuset=/ mems_allowed=0-1 [ 43.090237] CPU: 2 PID: 3086 Comm: syzkaller585208 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 43.090814] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.091540] Call Trace: [ 43.091721] dump_stack+0x194/0x257 [ 43.091976] ? arch_local_irq_restore+0x53/0x53 [ 43.092271] ? isolate_lru_page+0x11d0/0x11d0 [ 43.092556] warn_alloc+0x1c2/0x2f0 [ 43.092787] ? zone_watermark_ok_safe+0x430/0x430 [ 43.093136] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 43.093477] ? warn_alloc+0x2f0/0x2f0 [ 43.093742] ? SyS_ioctl+0x8f/0xc0 [ 43.094005] ? warn_alloc+0x2f0/0x2f0 [ 43.094422] ? save_stack_trace+0x16/0x20 [ 43.094860] ? alloc_set_pte+0x1162/0x18f0 [ 43.095258] ? check_noncircular+0x20/0x20 [ 43.095692] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 43.096228] ? find_held_lock+0x39/0x1d0 [ 43.096660] ? lock_downgrade+0x990/0x990 [ 43.097101] ? check_same_owner+0x320/0x320 [ 43.097538] ? rcu_note_context_switch+0x710/0x710 [ 43.098657] ? check_noncircular+0x20/0x20 [ 43.099000] ? __might_sleep+0x95/0x190 [ 43.099366] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.099754] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.100137] ? __alloc_pages_nodemask+0xae5/0xd80 [ 43.100485] ? find_held_lock+0x39/0x1d0 [ 43.100781] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.101187] ? cache_grow_begin+0x31b/0x400 [ 43.101493] cache_grow_begin+0x86/0x400 [ 43.101795] fallback_alloc+0x150/0x2b0 [ 43.102113] ____cache_alloc_node+0x1cf/0x1e0 [ 43.102425] kmem_cache_alloc_trace+0x27d/0x750 [ 43.102762] ? lock_downgrade+0x990/0x990 [ 43.103122] kvm_dev_ioctl+0x216/0x1840 [ 43.103399] ? lock_release+0xd70/0xd70 [ 43.103691] ? install_new_memslots+0x420/0x420 [ 43.104034] ? check_noncircular+0x20/0x20 [ 43.104346] ? __handle_mm_fault+0x587/0x39c0 [ 43.104679] ? avc_has_extended_perms+0x7fa/0x12c0 [ 43.105047] ? avc_ss_reset+0x110/0x110 [ 43.105351] ? lock_downgrade+0x990/0x990 [ 43.105686] ? check_same_owner+0x320/0x320 [ 43.105999] ? __handle_mm_fault+0x39c0/0x39c0 [ 43.106339] ? vmacache_find+0x61/0x270 [ 43.106632] ? rcu_note_context_switch+0x710/0x710 [ 43.107006] ? install_new_memslots+0x420/0x420 [ 43.107440] do_vfs_ioctl+0x1b1/0x1530 [ 43.107780] ? _cond_resched+0x14/0x30 [ 43.108166] ? ioctl_preallocate+0x2b0/0x2b0 [ 43.108583] ? selinux_capable+0x40/0x40 [ 43.108979] ? putname+0xf3/0x130 [ 43.109308] ? security_file_ioctl+0x7d/0xb0 [ 43.109724] ? security_file_ioctl+0x89/0xb0 [ 43.110147] SyS_ioctl+0x8f/0xc0 [ 43.110451] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.110866] RIP: 0033:0x435e19 [ 43.111179] RSP: 002b:00007ffc42bebef8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 43.111767] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000435e19 [ 43.112275] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002cd [ 43.112979] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 43.113775] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 43.114514] R13: 0000000000402120 R14: 00000000004021b0 R15: 0000000000000000 [ 43.115567] warn_alloc_show_mem: 1 callbacks suppressed [ 43.117307] Mem-Info: [ 43.117629] active_anon:2846 inactive_anon:41 isolated_anon:0 [ 43.117629] active_file:38 inactive_file:85 isolated_file:0 [ 43.117629] unevictable:0 dirty:0 writeback:0 unstable:0 [ 43.117629] slab_reclaimable:53733 slab_unreclaimable:329536 [ 43.117629] mapped:28 shmem:75 pagetables:276 bounce:0 [ 43.117629] free:18075 free_pcp:193 free_cma:0 [ 43.117983] syzkaller585208 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 43.117996] syzkaller585208 cpuset=/ mems_allowed=0-1 [ 43.118047] CPU: 1 PID: 3094 Comm: syzkaller585208 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 43.118051] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.118055] Call Trace: [ 43.118065] dump_stack+0x194/0x257 [ 43.118081] ? arch_local_irq_restore+0x53/0x53 [ 43.118092] ? check_noncircular+0x20/0x20 [ 43.118110] dump_header+0x234/0xa0e [ 43.118133] ? pagefault_out_of_memory+0x152/0x152 [ 43.118150] ? lock_acquire+0x1d5/0x580 [ 43.118157] ? ___ratelimit+0x152/0x630 [ 43.118174] ? do_raw_spin_trylock+0x190/0x190 [ 43.118272] ? mark_held_locks+0xb2/0x100 [ 43.118283] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 43.118294] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.118304] ? trace_hardirqs_on+0xd/0x10 [ 43.118315] ? ___ratelimit+0x95/0x630 [ 43.118325] ? idr_get_free+0xff0/0xff0 [ 43.118334] ? find_lock_task_mm+0x1c2/0x460 [ 43.118354] oom_kill_process+0x86d/0x13d0 [ 43.118359] ? lock_release+0xd30/0xd70 [ 43.118365] ? lock_release+0xd70/0xd70 [ 43.118389] ? oom_evaluate_task+0x480/0x480 [ 43.118400] ? find_lock_task_mm+0x23b/0x460 [ 43.118413] ? task_will_free_mem+0xaa0/0xaa0 [ 43.118421] ? check_noncircular+0x20/0x20 [ 43.118436] ? lock_downgrade+0x990/0x990 [ 43.118453] ? oom_badness+0xdf/0xb80 [ 43.118470] ? find_held_lock+0x39/0x1d0 [ 43.118490] ? lock_downgrade+0x990/0x990 [ 43.118505] ? oom_unkillable_task+0x33d/0x4c0 [ 43.118513] ? out_of_memory+0x8c1/0x11d0 [ 43.118522] ? oom_reaper+0x4d0/0x4d0 [ 43.118536] ? lock_release+0xd70/0xd70 [ 43.118545] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 43.118564] ? oom_evaluate_task+0x284/0x480 [ 43.118579] out_of_memory+0x7dd/0x11d0 [ 43.118599] ? oom_killer_disable+0x310/0x310 [ 43.118605] ? mutex_trylock+0x23a/0x2d0 [ 43.118614] ? rcu_pm_notify+0xc0/0xc0 [ 43.118621] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 43.118642] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 43.118715] ? warn_alloc+0x2f0/0x2f0 [ 43.118725] ? do_vfs_ioctl+0x1b1/0x1530 [ 43.118739] ? warn_alloc+0x2f0/0x2f0 [ 43.118751] ? save_stack_trace+0x16/0x20 [ 43.118772] ? check_noncircular+0x20/0x20 [ 43.118793] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 43.118800] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 43.118807] ? kvm_dev_ioctl+0xb4e/0x1840 [ 43.118812] ? do_vfs_ioctl+0x1b1/0x1530 [ 43.118820] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.118840] ? find_held_lock+0x39/0x1d0 [ 43.118893] ? check_same_owner+0x320/0x320 [ 43.118901] ? find_held_lock+0x39/0x1d0 [ 43.118920] ? __might_sleep+0x95/0x190 [ 43.118933] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.118950] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.118958] ? __alloc_pages_nodemask+0xae5/0xd80 [ 43.118967] ? find_held_lock+0x39/0x1d0 [ 43.118979] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.119018] ? cache_grow_begin+0x31b/0x400 [ 43.119035] cache_grow_begin+0x86/0x400 [ 43.119049] fallback_alloc+0x150/0x2b0 [ 43.119090] ____cache_alloc_node+0x1cf/0x1e0 [ 43.119105] kmem_cache_alloc_trace+0x27d/0x750 [ 43.119118] ? __debugfs_create_file+0x2cc/0x3e0 [ 43.126354] kvm_uevent_notify_change.part.38+0x174/0x430 [ 43.126368] kvm_dev_ioctl+0x716/0x1840 [ 43.126387] ? install_new_memslots+0x420/0x420 [ 43.126416] ? avc_has_extended_perms+0x7fa/0x12c0 [ 43.126422] ? unwind_get_return_address+0x61/0xa0 [ 43.126444] ? avc_ss_reset+0x110/0x110 [ 43.126454] ? putname+0xee/0x130 [ 43.126463] ? save_stack+0xa3/0xd0 [ 43.126473] ? save_stack_trace+0x16/0x20 [ 43.126479] ? save_stack+0x43/0xd0 [ 43.126486] ? kmem_cache_free+0x77/0x280 [ 43.126491] ? putname+0xee/0x130 [ 43.126498] ? do_sys_open+0x31b/0x6d0 [ 43.126513] ? __lock_is_held+0xbc/0x140 [ 43.126543] ? check_same_owner+0x320/0x320 [ 43.126569] ? install_new_memslots+0x420/0x420 [ 43.126575] do_vfs_ioctl+0x1b1/0x1530 [ 43.126582] ? _cond_resched+0x14/0x30 [ 43.126597] ? ioctl_preallocate+0x2b0/0x2b0 [ 43.126609] ? selinux_capable+0x40/0x40 [ 43.126619] ? putname+0xf3/0x130 [ 43.126647] ? security_file_ioctl+0x7d/0xb0 [ 43.126654] ? security_file_ioctl+0x89/0xb0 [ 43.126668] SyS_ioctl+0x8f/0xc0 [ 43.126682] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.126688] RIP: 0033:0x435e19 [ 43.126693] RSP: 002b:00007ffc42bebef8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 43.126702] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000435e19 [ 43.126707] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002f3 [ 43.126712] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 43.126716] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 43.126721] R13: 0000000000402120 R14: 00000000004021b0 R15: 0000000000000000 [ 43.126775] Mem-Info: [ 43.126789] active_anon:2846 inactive_anon:41 isolated_anon:0 [ 43.126789] active_file:38 inactive_file:35 isolated_file:0 [ 43.126789] unevictable:0 dirty:0 writeback:0 unstable:0 [ 43.126789] slab_reclaimable:53733 slab_unreclaimable:329536 [ 43.126789] mapped:16 shmem:75 pagetables:276 bounce:0 [ 43.126789] free:18075 free_pcp:277 free_cma:0 [ 43.126801] Node 0 active_anon:7988kB inactive_anon:68kB active_file:84kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 43.126811] Node 1 active_anon:3396kB inactive_anon:96kB active_file:68kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:124kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 43.126815] Node 0 DMA free:4160kB min:640kB low:800kB high:960kB active_anon:56kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.126830] lowmem_reserve[]: 0 886 886 886 [ 43.126850] Node 0 DMA32 free:36336kB min:36536kB low:45668kB high:54800kB active_anon:7932kB inactive_anon:68kB active_file:84kB inactive_file:136kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1920kB pagetables:520kB bounce:0kB free_pcp:212kB local_pcp:136kB free_cma:0kB [ 43.126865] lowmem_reserve[]: 0 0 0 0 [ 43.126885] Node 1 DMA32 free:31804kB min:30404kB low:38004kB high:45604kB active_anon:3396kB inactive_anon:96kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2144kB pagetables:584kB bounce:0kB free_pcp:896kB local_pcp:160kB free_cma:0kB [ 43.126900] lowmem_reserve[]: 0 0 0 0 [ 43.126919] Node 0 DMA: 10*4kB (UM) 1*8kB (E) 3*16kB (UME) 1*32kB (M) 1*64kB (E) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4160kB [ 43.127116] Node 0 DMA32: 262*4kB (UM) 311*8kB (UME) 227*16kB (UM) 130*32kB (UM) 67*64kB (UM) 12*128kB (ME) 9*256kB (UME) 3*512kB (UM) 3*1024kB (UME) 4*2048kB (UME) 1*4096kB (M) = 36352kB [ 43.127204] Node 1 DMA32: 74*4kB (UMEH) 831*8kB (UMEH) 401*16kB (UMH) 137*32kB (UMH) 40*64kB (UM) 9*128kB (UM) 6*256kB (UM) 3*512kB (UM) 3*1024kB (UM) 0*2048kB 1*4096kB (E) = 31696kB [ 43.127290] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.127294] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.127297] 249 total pagecache pages [ 43.127303] 0 pages in swap cache [ 43.127306] Swap cache stats: add 0, delete 0, find 0/0 [ 43.127309] Free swap = 0kB [ 43.127312] Total swap = 0kB [ 43.127315] 524186 pages RAM [ 43.127318] 0 pages HighMem/MovableOnly [ 43.127320] 103968 pages reserved [ 43.127323] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 43.127344] [ 1522] 0 1522 7065 1838 20 3 0 -1000 udevd [ 43.127354] [ 2963] 0 2963 14265 185 23 3 0 0 rsyslogd [ 43.127363] [ 2998] 0 2998 4725 49 15 3 0 0 cron [ 43.127371] [ 3024] 0 3024 12490 153 29 3 0 -1000 sshd [ 43.127380] [ 3048] 0 3048 3694 40 13 3 0 0 getty [ 43.127389] [ 3049] 0 3049 3694 41 13 3 0 0 getty [ 43.127398] [ 3050] 0 3050 3694 40 14 3 0 0 getty [ 43.127407] [ 3051] 0 3051 3694 41 13 3 0 0 getty [ 43.127416] [ 3052] 0 3052 3694 40 13 3 0 0 getty [ 43.127425] [ 3053] 0 3053 3694 42 13 3 0 0 getty [ 43.127433] [ 3054] 0 3054 3649 39 12 3 0 0 getty [ 43.127442] [ 3055] 0 3055 5381 179 15 3 0 -1000 udevd [ 43.127451] [ 3056] 0 3056 5381 180 15 3 0 -1000 udevd [ 43.127460] [ 3082] 0 3082 277 14 4 2 0 0 syzkaller585208 [ 43.127468] [ 3083] 0 3083 277 14 4 2 0 0 syzkaller585208 [ 43.127477] [ 3084] 0 3084 277 14 4 2 0 0 syzkaller585208 [ 43.127486] [ 3085] 0 3085 277 14 4 2 0 0 syzkaller585208 [ 43.127495] [ 3086] 0 3086 4372 14 5 2 0 0 syzkaller585208 [ 43.127504] [ 3087] 0 3087 4372 14 5 2 0 0 syzkaller585208 [ 43.127513] [ 3088] 0 3088 277 14 4 2 0 0 syzkaller585208 [ 43.127521] [ 3089] 0 3089 4372 14 5 2 0 0 syzkaller585208 [ 43.127530] [ 3090] 0 3090 277 14 4 2 0 0 syzkaller585208 [ 43.127539] [ 3091] 0 3091 277 14 4 2 0 0 syzkaller585208 [ 43.127550] [ 3093] 0 3093 277 14 4 2 0 0 syzkaller585208 [ 43.127558] [ 3094] 0 3094 4372 14 5 2 0 0 syzkaller585208 [ 43.127567] [ 3095] 0 3095 4372 14 5 2 0 0 syzkaller585208 [ 43.127575] Out of memory: Kill process 2963 (rsyslogd) score 0 or sacrifice child [ 43.127605] Killed process 2963 (rsyslogd) total-vm:57060kB, anon-rss:740kB, file-rss:0kB, shmem-rss:0kB [ 43.136199] syzkaller585208: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 43.136211] syzkaller585208 cpuset=/ mems_allowed=0-1 [ 43.136222] CPU: 1 PID: 3095 Comm: syzkaller585208 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 43.136224] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 43.136226] Call Trace: [ 43.136233] dump_stack+0x194/0x257 [ 43.136241] ? arch_local_irq_restore+0x53/0x53 [ 43.136247] ? isolate_lru_page+0x11d0/0x11d0 [ 43.136257] warn_alloc+0x1c2/0x2f0 [ 43.136262] ? zone_watermark_ok_safe+0x430/0x430 [ 43.136283] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 43.136322] ? warn_alloc+0x2f0/0x2f0 [ 43.136328] ? SyS_ioctl+0x8f/0xc0 [ 43.136336] ? warn_alloc+0x2f0/0x2f0 [ 43.136343] ? save_stack_trace+0x16/0x20 [ 43.136348] ? alloc_set_pte+0x1162/0x18f0 [ 43.136359] ? check_noncircular+0x20/0x20 [ 43.136370] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 43.136384] ? find_held_lock+0x39/0x1d0 [ 43.136396] ? lock_downgrade+0x990/0x990 [ 43.136416] ? check_same_owner+0x320/0x320 [ 43.136423] ? rcu_note_context_switch+0x710/0x710 [ 43.136427] ? check_noncircular+0x20/0x20 [ 43.136434] ? __might_sleep+0x95/0x190 [ 43.136442] __alloc_pages_nodemask+0x9f7/0xd80 [ 43.136450] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.136455] ? __alloc_pages_nodemask+0xae5/0xd80 [ 43.136460] ? find_held_lock+0x39/0x1d0 [ 43.136466] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 43.136486] ? cache_grow_begin+0x31b/0x400 [ 43.136496] cache_grow_begin+0x86/0x400 [ 43.136504] fallback_alloc+0x150/0x2b0 [ 43.136514] ____cache_alloc_node+0x1cf/0x1e0 [ 43.136523] kmem_cache_alloc_trace+0x27d/0x750 [ 43.136527] ? lock_downgrade+0x990/0x990 [ 43.136539] kvm_dev_ioctl+0x216/0x1840 [ 43.136547] ? lock_release+0xd70/0xd70 [ 43.136553] ? install_new_memslots+0x420/0x420 [ 43.136557] ? check_noncircular+0x20/0x20 [ 43.136564] ? __handle_mm_fault+0x587/0x39c0 [ 43.136574] ? avc_has_extended_perms+0x7fa/0x12c0 [ 43.136586] ? avc_ss_reset+0x110/0x110 [ 43.136600] ? lock_downgrade+0x990/0x990 [ 43.136623] ? check_same_owner+0x320/0x320 [ 43.136626] ? __handle_mm_fault+0x39c0/0x39c0 [ 43.136630] ? vmacache_find+0x61/0x270 [ 43.136635] ? rcu_note_context_switch+0x710/0x710 [ 43.136645] ? install_new_memslots+0x420/0x420 [ 43.136649] do_vfs_ioctl+0x1b1/0x1530 [ 43.136653] ? _cond_resched+0x14/0x30 [ 43.136661] ? ioctl_preallocate+0x2b0/0x2b0 [ 43.136668] ? selinux_capable+0x40/0x40 [ 43.136673] ? putname+0xf3/0x130 [ 43.136690] ? security_file_ioctl+0x7d/0xb0 [ 43.136696] ? security_file_ioctl+0x89/0xb0 [ 43.136709] SyS_ioctl+0x8f/0xc0 [ 43.136723] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 43.136728] RIP: 0033:0x435e19 [ 43.136733] RSP: 002b:00007ffc42bebef8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 43.136741] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000435e19 [ 43.136746] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002e5 [ 43.136750] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 43.136755] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 43.136759] R13: 0000000000402120 R14: 00000000004021b0 R15: 0000000000000000 [ 43.137699] oom_reaper: reaped process 2963 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 43.301622] Node 0 active_anon:7464kB inactive_anon:68kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 43.306789] Node 1 active_anon:3060kB inactive_anon:96kB active_file:240kB inactive_file:80kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:316kB dirty:0kB writeback:0kB shmem:124kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 43.308908] Node 0 DMA free:4160kB min:640kB low:800kB high:960kB active_anon:56kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.312254] lowmem_reserve[]: 0 886 886 886 [ 43.312668] Node 0 DMA32 free:49332kB min:36536kB low:45668kB high:54800kB active_anon:7384kB inactive_anon:68kB active_file:32kB inactive_file:540kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1888kB pagetables:420kB bounce:0kB free_pcp:1352kB local_pcp:696kB free_cma:0kB [ 43.315525] lowmem_reserve[]: 0 0 0 0 [ 43.316106] Node 1 DMA32 free:34984kB min:30404kB low:38004kB high:45604kB active_anon:3060kB inactive_anon:92kB active_file:196kB inactive_file:236kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2048kB pagetables:512kB bounce:0kB free_pcp:1164kB local_pcp:64kB free_cma:0kB [ 43.321472] lowmem_reserve[]: 0 0 0 0 [ 43.322003] Node 0 DMA: 13*4kB (UM) 1*8kB (E) 3*16kB (UME) 1*32kB (M) 1*64kB (E) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4172kB [ 43.323938] Node 0 DMA32: 26*4kB (UM) 681*8kB (UM) 557*16kB (UM) 244*32kB (UM) 112*64kB (UM) 27*128kB (UM) 9*256kB (UME) 3*512kB (UM) 3*1024kB (UME) 4*2048kB (UME) 1*4096kB (M) = 52096kB [ 43.325982] Node 1 DMA32: 83*4kB (UMEH) 984*8kB (UMH) 505*16kB (UMEH) 152*32kB (UMH) 47*64kB (UM) 8*128kB (M) 6*256kB (ME) 4*512kB (UME) 4*1024kB (UME) 1*2048kB (E) 0*4096kB = 34908kB [ 43.327521] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.328267] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.328988] 486 total pagecache pages [ 43.331514] 0 pages in swap cache [ 43.331770] Swap cache stats: add 0, delete 0, find 0/0 [ 43.332177] Free swap = 0kB [ 43.332389] Total swap = 0kB [ 43.332597] 524186 pages RAM [ 43.332807] 0 pages HighMem/MovableOnly [ 43.334589] 103968 pages reserved