executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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: [ 43.433089] hrtimer: interrupt took 3174324 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 47.793558] syzkaller267695 invoked oom-killer: gfp_mask=0x17080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK), nodemask=(null), order=0, oom_score_adj=0 [ 47.795733] syzkaller267695 cpuset=/ mems_allowed=0-1 [ 47.804606] CPU: 0 PID: 3075 Comm: syzkaller267695 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 47.807467] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 47.813579] Call Trace: [ 47.814334] dump_stack+0x194/0x257 [ 47.815180] ? arch_local_irq_restore+0x53/0x53 [ 47.816472] ? check_noncircular+0x20/0x20 [ 47.817322] dump_header+0x234/0xa0e [ 47.817916] ? pagefault_out_of_memory+0x152/0x152 [ 47.818646] ? lock_acquire+0x1d5/0x580 [ 47.819225] ? ___ratelimit+0x152/0x630 [ 47.819828] ? do_raw_spin_trylock+0x190/0x190 [ 47.820550] ? mark_held_locks+0xb2/0x100 [ 47.822657] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 47.823396] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 47.824076] ? trace_hardirqs_on+0xd/0x10 [ 47.824711] ? ___ratelimit+0x95/0x630 [ 47.825263] ? idr_get_free+0xff0/0xff0 [ 47.825828] ? lock_downgrade+0x990/0x990 [ 47.826464] ? cred_has_capability+0x1a0/0x3d0 [ 47.827116] oom_kill_process+0x86d/0x13d0 [ 47.827854] ? lock_release+0xd70/0xd70 [ 47.828454] ? oom_evaluate_task+0x480/0x480 [ 47.829064] ? security_capable_noaudit+0x8b/0xc0 [ 47.829779] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 47.830549] ? check_noncircular+0x20/0x20 [ 47.831123] ? has_capability+0x30/0x30 [ 47.831727] ? has_capability_noaudit+0x24/0x30 [ 47.832381] ? oom_badness+0xdf/0xb80 [ 47.832929] ? find_held_lock+0x39/0x1d0 [ 47.833540] ? lock_downgrade+0x990/0x990 [ 47.834111] ? out_of_memory+0x851/0x11d0 [ 47.834727] ? oom_reaper+0x4d0/0x4d0 [ 47.835241] ? lock_release+0xd70/0xd70 [ 47.835832] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 47.836609] ? oom_evaluate_task+0x284/0x480 [ 47.837213] out_of_memory+0x7dd/0x11d0 [ 47.837813] ? oom_killer_disable+0x310/0x310 [ 47.838441] ? mutex_trylock+0x23a/0x2d0 [ 47.839018] ? __lock_is_held+0xbc/0x140 [ 47.839612] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 47.847112] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 47.847858] ? warn_alloc+0x2f0/0x2f0 [ 47.848421] ? __lock_is_held+0xbc/0x140 [ 47.849172] ? check_noncircular+0x20/0x20 [ 47.849770] ? rcu_read_lock_sched_held+0x108/0x120 [ 47.850492] ? __anon_vma_prepare+0x13e/0x6b0 [ 47.851162] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 47.851972] ? find_held_lock+0x39/0x1d0 [ 47.852564] ? __lock_is_held+0xbc/0x140 [ 47.853205] ? check_same_owner+0x320/0x320 [ 47.853820] ? __might_sleep+0x95/0x190 [ 47.854401] __alloc_pages_nodemask+0x9f7/0xd80 [ 47.855091] ? save_stack+0x43/0xd0 [ 47.855577] ? kasan_kmalloc+0xad/0xe0 [ 47.856166] ? kasan_slab_alloc+0x12/0x20 [ 47.856754] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 47.857477] ? find_held_lock+0x39/0x1d0 [ 47.858097] ? lock_downgrade+0x990/0x990 [ 47.858657] ? __lock_is_held+0xbc/0x140 [ 47.859291] alloc_pages_current+0xb6/0x1e0 [ 47.859899] pte_alloc_one+0x19/0x100 [ 47.860458] __pte_alloc+0x2a/0x300 [ 47.860995] ? check_noncircular+0x20/0x20 [ 47.861590] __handle_mm_fault+0x2ab2/0x39e0 [ 47.862253] ? __pmd_alloc+0x4e0/0x4e0 [ 47.862805] ? lock_downgrade+0x990/0x990 [ 47.863402] ? find_held_lock+0x39/0x1d0 [ 47.864707] ? __lock_is_held+0xbc/0x140 [ 47.865351] handle_mm_fault+0x3bb/0x860 [ 47.865921] ? down_read_trylock+0xdb/0x170 [ 47.866521] ? __handle_mm_fault+0x39e0/0x39e0 [ 47.867299] ? vmacache_find+0x61/0x270 [ 47.867845] ? vmacache_update+0xfe/0x130 [ 47.868414] ? find_vma+0x30/0x150 [ 47.868907] __do_page_fault+0x4f6/0xb60 [ 47.869476] trace_do_page_fault+0x141/0x730 [ 47.870070] ? do_page_fault+0x70/0x70 [ 47.870634] ? SyS_mmap_pgoff+0x243/0x5f0 [ 47.871282] ? retint_user+0x18/0x23 [ 47.871793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.872455] do_async_page_fault+0x72/0xc0 [ 47.873038] async_page_fault+0x22/0x30 [ 47.873590] RIP: 0033:0x40125e [ 47.874020] RSP: 002b:00007fff07741ca0 EFLAGS: 00010246 [ 47.874755] RAX: 6d766b2f7665642f RBX: 00007fff07741d60 RCX: 0000000000435959 [ 47.875820] RDX: 11b3675762af2bde RSI: 0000000000000000 RDI: 0000000001a3c840 [ 47.876809] RBP: 0000000000000000 R08: ffffffffffffffff R09: 0000000000000000 [ 47.877807] R10: 0000000000000032 R11: 0000000000000207 R12: 0000000000000000 [ 47.878780] R13: 0000000000401d90 R14: 0000000000401e20 R15: 0000000000000000 [ 47.879894] Mem-Info: [ 47.880448] active_anon:4066 inactive_anon:42 isolated_anon:0 [ 47.880448] active_file:15 inactive_file:19 isolated_file:26 [ 47.880448] unevictable:0 dirty:0 writeback:0 unstable:0 [ 47.880448] slab_reclaimable:53461 slab_unreclaimable:329294 [ 47.880448] mapped:0 shmem:76 pagetables:313 bounce:0 [ 47.880448] free:17564 free_pcp:301 free_cma:0 [ 47.897992] Node 0 active_anon:5104kB inactive_anon:80kB active_file:48kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:100kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 47.901913] Node 1 active_anon:11160kB inactive_anon:88kB active_file:12kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:0kB dirty:0kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 47.905701] Node 0 DMA free:4148kB min:640kB low:800kB high:960kB active_anon:0kB 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 [ 47.919411] lowmem_reserve[]: 0 886 886 886 [ 47.920197] Node 0 DMA32 free:36432kB min:36536kB low:45668kB high:54800kB active_anon:5104kB inactive_anon:80kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2208kB pagetables:648kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 47.923946] lowmem_reserve[]: 0 0 0 0 [ 47.924503] Node 1 DMA32 free:30204kB min:30404kB low:38004kB high:45604kB active_anon:11160kB inactive_anon:88kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1696kB pagetables:604kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 47.928348] lowmem_reserve[]: 0 0 0 0 [ 47.929102] Node 0 DMA: 3*4kB (UE) 1*8kB (E) 2*16kB (UE) 0*32kB 2*64kB (UE) 1*128kB (U) 1*256kB (E) 1*512kB (E) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4148kB [ 47.931187] Node 0 DMA32: 357*4kB (UM) 346*8kB (UME) 298*16kB (UM) 132*32kB (UME) 70*64kB (UM) 11*128kB (M) 6*256kB (UME) 1*512kB (E) 3*1024kB (UME) 2*2048kB (UM) 2*4096kB (M) = 36484kB [ 47.935926] Node 1 DMA32: 236*4kB (UME) 295*8kB (UME) 153*16kB (UME) 182*32kB (UME) 115*64kB (UM) 6*128kB (UME) 8*256kB (UME) 3*512kB (UM) 5*1024kB (UM) 1*2048kB (M) 0*4096kB = 30456kB [ 47.938430] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 47.939591] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 47.940823] 138 total pagecache pages [ 47.941370] 0 pages in swap cache [ 47.941837] Swap cache stats: add 0, delete 0, find 0/0 [ 47.942573] Free swap = 0kB [ 47.942980] Total swap = 0kB [ 47.943407] 524186 pages RAM [ 47.943816] 0 pages HighMem/MovableOnly [ 47.944439] 103968 pages reserved [ 47.944902] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 47.946118] [ 1526] 0 1526 7062 1858 20 3 0 -1000 udevd [ 47.947350] [ 2813] 0 2813 5378 156 16 3 0 -1000 udevd [ 47.949526] [ 2824] 0 2824 2493 574 9 3 0 0 dhclient [ 47.951052] [ 2952] 0 2952 14237 100 24 4 0 0 rsyslogd [ 47.951801] [ 2989] 0 2989 4725 48 15 3 0 0 cron [ 47.952794] [ 3015] 0 3015 12490 152 29 3 0 -1000 sshd [ 47.953793] [ 3040] 0 3040 3694 41 14 3 0 0 getty [ 47.954558] [ 3041] 0 3041 3694 41 13 3 0 0 getty [ 47.955329] [ 3042] 0 3042 3694 40 12 3 0 0 getty [ 47.956142] [ 3043] 0 3043 3694 40 13 3 0 0 getty [ 47.957097] [ 3044] 0 3044 3694 41 13 3 0 0 getty [ 47.958340] [ 3045] 0 3045 3694 41 13 3 0 0 getty [ 47.959103] [ 3046] 0 3046 3649 39 13 3 0 0 getty [ 47.960404] [ 3047] 0 3047 5378 157 16 3 0 -1000 udevd [ 47.961628] [ 3068] 0 3068 17820 196 39 3 0 0 sshd [ 47.962771] [ 3070] 0 3070 272 1 4 2 0 0 syzkaller267695 [ 47.964106] [ 3071] 0 3071 4367 524 5 2 0 0 syzkaller267695 [ 47.965484] [ 3072] 0 3072 4367 12 5 2 0 0 syzkaller267695 [ 47.966560] [ 3073] 0 3073 4367 12 5 2 0 0 syzkaller267695 [ 47.968086] [ 3074] 0 3074 4367 12 5 2 0 0 syzkaller267695 [ 47.969404] [ 3075] 0 3075 4367 12 4 2 0 0 syzkaller267695 [ 47.970380] [ 3076] 0 3076 4367 12 5 2 0 0 syzkaller267695 [ 47.973105] [ 3077] 0 3077 4367 12 5 2 0 0 syzkaller267695 [ 47.974432] [ 3078] 0 3078 4367 12 5 2 0 0 syzkaller267695 [ 47.975794] Out of memory: Kill process 2824 (dhclient) score 1 or sacrifice child [ 47.992959] Killed process 2824 (dhclient) total-vm:9972kB, anon-rss:2296kB, file-rss:4kB, shmem-rss:0kB executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.208670] syzkaller267695 invoked oom-killer: gfp_mask=0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0 [ 51.209639] syzkaller267695 cpuset=/ mems_allowed=0-1 [ 51.210107] CPU: 2 PID: 3072 Comm: syzkaller267695 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 51.210709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 51.211318] Call Trace: [ 51.211534] dump_stack+0x194/0x257 [ 51.211796] ? arch_local_irq_restore+0x53/0x53 [ 51.212127] ? check_noncircular+0x20/0x20 [ 51.212444] dump_header+0x234/0xa0e [ 51.212727] ? pagefault_out_of_memory+0x152/0x152 [ 51.213122] ? lock_acquire+0x1d5/0x580 [ 51.228840] ? ___ratelimit+0x152/0x630 [ 51.229438] ? do_raw_spin_trylock+0x190/0x190 [ 51.230194] ? mark_held_locks+0xb2/0x100 [ 51.230799] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.231609] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.232551] ? trace_hardirqs_on+0xd/0x10 [ 51.233228] ? ___ratelimit+0x95/0x630 [ 51.233807] ? idr_get_free+0xff0/0xff0 [ 51.234372] ? lock_downgrade+0x990/0x990 [ 51.240349] ? cred_has_capability+0x1a0/0x3d0 [ 51.241120] oom_kill_process+0x86d/0x13d0 [ 51.241728] ? lock_release+0xd70/0xd70 [ 51.242309] ? oom_evaluate_task+0x480/0x480 [ 51.242952] ? security_capable_noaudit+0x8b/0xc0 [ 51.243751] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 51.251655] ? check_noncircular+0x20/0x20 [ 51.265059] ? has_capability+0x30/0x30 [ 51.265652] ? has_capability_noaudit+0x24/0x30 [ 51.266336] ? oom_badness+0xdf/0xb80 [ 51.266986] ? find_held_lock+0x39/0x1d0 [ 51.267630] ? lock_downgrade+0x990/0x990 [ 51.268275] ? oom_unkillable_task+0x33d/0x4c0 [ 51.268940] ? out_of_memory+0x851/0x11d0 [ 51.269638] ? oom_reaper+0x4d0/0x4d0 [ 51.270206] ? lock_release+0xd70/0xd70 [ 51.270881] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 51.271707] ? oom_evaluate_task+0x284/0x480 [ 51.272121] out_of_memory+0x7dd/0x11d0 [ 51.272495] ? oom_killer_disable+0x310/0x310 [ 51.272917] ? mutex_trylock+0x23a/0x2d0 [ 51.273300] ? rcu_pm_notify+0xc0/0xc0 [ 51.273671] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 51.274232] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 51.281166] ? warn_alloc+0x2f0/0x2f0 [ 51.281541] ? save_stack_trace+0x16/0x20 [ 51.283826] ? lock_downgrade+0x990/0x990 [ 51.284228] ? bpf_prog_alloc+0x310/0x310 [ 51.284630] ? __bpf_address_lookup+0x2b0/0x2b0 [ 51.285301] ? check_noncircular+0x20/0x20 [ 51.285716] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 51.286406] ? __free_insn_slot+0x5c0/0x5c0 [ 51.286874] ? unwind_dump+0x4c0/0x4c0 [ 51.287530] ? find_held_lock+0x39/0x1d0 [ 51.287935] ? depot_save_stack+0x12c/0x490 [ 51.315033] ? check_same_owner+0x320/0x320 [ 51.315478] ? __might_sleep+0x95/0x190 [ 51.315880] __alloc_pages_nodemask+0x9f7/0xd80 [ 51.316402] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 51.316915] ? __lock_is_held+0xbc/0x140 [ 51.317340] ? cpus_read_unlock+0x56/0x70 [ 51.317755] ? static_key_slow_inc+0x16b/0x3c0 [ 51.318215] ? kvm_dev_ioctl+0x13e1/0x1840 [ 51.318633] ? mmu_notifier_synchronize+0x20/0x20 [ 51.319116] alloc_pages_current+0xb6/0x1e0 [ 51.319555] kvm_coalesced_mmio_init+0x6d/0x1c0 [ 51.320017] ? coalesced_mmio_write+0x3c0/0x3c0 [ 51.320492] kvm_dev_ioctl+0x637/0x1840 [ 51.320904] ? install_new_memslots+0x420/0x420 [ 51.321383] ? avc_has_extended_perms+0x7fa/0x12c0 [ 51.321882] ? unwind_get_return_address+0x61/0xa0 [ 51.322637] ? avc_ss_reset+0x110/0x110 [ 51.323036] ? putname+0xee/0x130 [ 51.323388] ? save_stack+0xa3/0xd0 [ 51.323752] ? save_stack_trace+0x16/0x20 [ 51.324162] ? save_stack+0x43/0xd0 [ 51.324744] ? kmem_cache_free+0x77/0x280 [ 51.325154] ? putname+0xee/0x130 [ 51.325498] ? do_sys_open+0x31b/0x6d0 [ 51.325889] ? __lock_is_held+0xbc/0x140 [ 51.326314] ? check_same_owner+0x320/0x320 [ 51.326746] ? rcu_note_context_switch+0x710/0x710 [ 51.327241] ? install_new_memslots+0x420/0x420 [ 51.327699] do_vfs_ioctl+0x1b1/0x1530 [ 51.328082] ? _cond_resched+0x14/0x30 [ 51.328474] ? ioctl_preallocate+0x2b0/0x2b0 [ 51.328929] ? selinux_capable+0x40/0x40 [ 51.329334] ? putname+0xf3/0x130 [ 51.329695] ? security_file_ioctl+0x7d/0xb0 [ 51.330131] ? security_file_ioctl+0x89/0xb0 [ 51.330572] SyS_ioctl+0x8f/0xc0 [ 51.330914] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 51.331379] RIP: 0033:0x435959 [ 51.331695] RSP: 002b:00007fff07741c98 EFLAGS: 00000286 ORIG_RAX: 0000000000000010 [ 51.346466] RAX: ffffffffffffffda RBX: 00007fff07741d60 RCX: 0000000000435959 [ 51.347127] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000309 [ 51.347789] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 51.348439] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 51.349094] R13: 0000000000401d90 R14: 0000000000401e20 R15: 0000000000000000 [ 51.349831] Mem-Info: [ 51.405660] active_anon:3003 inactive_anon:42 isolated_anon:0 [ 51.405660] active_file:71 inactive_file:13 isolated_file:40 [ 51.405660] unevictable:0 dirty:0 writeback:0 unstable:0 [ 51.405660] slab_reclaimable:53734 slab_unreclaimable:329873 [ 51.405660] mapped:87 shmem:76 pagetables:304 bounce:0 [ 51.405660] free:17573 free_pcp:349 free_cma:0 [ 51.409358] Node 0 active_anon:3040kB inactive_anon:84kB active_file:236kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):168kB mapped:228kB dirty:0kB writeback:0kB shmem:104kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 51.411925] Node 1 active_anon:8972kB inactive_anon:84kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 51.414462] Node 0 DMA free:4148kB min:640kB low:800kB high:960kB active_anon:0kB 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 [ 51.423476] lowmem_reserve[]: 0 886 886 886 [ 51.423935] Node 0 DMA32 free:36016kB min:36536kB low:45668kB high:54800kB active_anon:3040kB inactive_anon:84kB active_file:436kB inactive_file:136kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2208kB pagetables:628kB bounce:0kB free_pcp:856kB local_pcp:0kB free_cma:0kB [ 51.426660] lowmem_reserve[]: 0 0 0 0 [ 51.427082] Node 1 DMA32 free:30128kB min:30404kB low:38004kB high:45604kB active_anon:8972kB inactive_anon:84kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1664kB pagetables:588kB bounce:0kB free_pcp:556kB local_pcp:0kB free_cma:0kB [ 51.436160] lowmem_reserve[]: 0 0 0 0 [ 51.436625] Node 0 DMA: 3*4kB (UE) 1*8kB (E) 2*16kB (UE) 0*32kB 2*64kB (UE) 1*128kB (U) 1*256kB (E) 1*512kB (E) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4148kB [ 51.440904] Node 0 DMA32: 143*4kB (UME) 290*8kB (UME) 315*16kB (UME) 146*32kB (UME) 76*64kB (UM) 12*128kB (UM) 5*256kB (ME) 1*512kB (U) 3*1024kB (UME) 0*2048kB 3*4096kB (M) = 36156kB [ 51.444966] Node 1 DMA32: 185*4kB (UM) 378*8kB (UME) 172*16kB (UM) 200*32kB (UME) 131*64kB (UME) 9*128kB (ME) 8*256kB (UME) 3*512kB (UME) 4*1024kB (ME) 0*2048kB 0*4096kB = 30132kB [ 51.450847] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.452777] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.454517] 223 total pagecache pages [ 51.456058] 0 pages in swap cache [ 51.456990] Swap cache stats: add 0, delete 0, find 0/0 [ 51.457871] Free swap = 0kB [ 51.458772] Total swap = 0kB [ 51.460158] 524186 pages RAM [ 51.461113] 0 pages HighMem/MovableOnly [ 51.461562] 103968 pages reserved [ 51.461909] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 51.464598] [ 1526] 0 1526 7096 1880 20 3 0 -1000 udevd [ 51.466727] [ 2813] 0 2813 5378 157 16 3 0 -1000 udevd [ 51.468642] [ 2952] 0 2952 14237 159 24 4 0 0 rsyslogd [ 51.473257] [ 2989] 0 2989 4725 48 15 3 0 0 cron [ 51.474172] [ 3015] 0 3015 12490 152 29 3 0 -1000 sshd [ 51.476075] [ 3040] 0 3040 3694 41 14 3 0 0 getty [ 51.478041] [ 3041] 0 3041 3694 41 13 3 0 0 getty [ 51.479235] [ 3042] 0 3042 3694 40 12 3 0 0 getty [ 51.482243] [ 3043] 0 3043 3694 40 13 3 0 0 getty [ 51.484256] [ 3044] 0 3044 3694 41 13 3 0 0 getty [ 51.485460] [ 3045] 0 3045 3694 41 13 3 0 0 getty [ 51.487422] [ 3046] 0 3046 3649 39 13 3 0 0 getty [ 51.490310] [ 3047] 0 3047 5378 157 16 3 0 -1000 udevd [ 51.492090] [ 3068] 0 3068 17820 196 39 3 0 0 sshd [ 51.500175] [ 3070] 0 3070 272 1 4 2 0 0 syzkaller267695 [ 51.501166] [ 3071] 0 3071 4367 12 5 2 0 0 syzkaller267695 [ 51.502946] [ 3072] 0 3072 4367 12 5 2 0 0 syzkaller267695 [ 51.504621] [ 3073] 0 3073 4367 12 5 2 0 0 syzkaller267695 [ 51.506258] [ 3074] 0 3074 4367 12 5 2 0 0 syzkaller267695 [ 51.508010] [ 3075] 0 3075 4367 12 5 2 0 0 syzkaller267695 [ 51.510289] [ 3076] 0 3076 4367 12 5 2 0 0 syzkaller267695 [ 51.513310] [ 3077] 0 3077 4367 12 5 2 0 0 syzkaller267695 [ 51.530161] [ 3078] 0 3078 4367 12 5 2 0 0 syzkaller267695 [ 51.531996] Out of memory: Kill process 3068 (sshd) score 0 or sacrifice child [ 51.533403] Killed process 3070 (syzkaller267695) total-vm:1088kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 52.891933] syzkaller267695: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 52.892946] syzkaller267695 cpuset=/ mems_allowed=0-1 [ 52.893477] CPU: 1 PID: 3075 Comm: syzkaller267695 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 52.894201] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 52.894885] Call Trace: [ 52.895135] dump_stack+0x194/0x257 [ 52.895392] ? arch_local_irq_restore+0x53/0x53 [ 52.895722] ? isolate_lru_page+0x11d0/0x11d0 [ 52.896109] warn_alloc+0x1c2/0x2f0 [ 52.896718] ? zone_watermark_ok_safe+0x430/0x430 [ 52.897653] ? rcu_note_context_switch+0x710/0x710 [ 52.898468] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 52.900559] ? warn_alloc+0x2f0/0x2f0 [ 52.900925] ? SyS_ioctl+0x8f/0xc0 [ 52.901275] ? warn_alloc+0x2f0/0x2f0 [ 52.901660] ? save_stack_trace+0x16/0x20 [ 52.902064] ? check_noncircular+0x20/0x20 [ 52.902490] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 52.902974] ? find_held_lock+0x39/0x1d0 [ 52.903352] ? lock_downgrade+0x990/0x990 [ 52.903770] ? check_same_owner+0x320/0x320 [ 52.904151] ? rcu_note_context_switch+0x710/0x710 [ 52.905024] ? check_noncircular+0x20/0x20 [ 52.905860] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 52.907131] ? __might_sleep+0x95/0x190 [ 52.907931] __alloc_pages_nodemask+0x9f7/0xd80 [ 52.908863] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 52.909843] ? __alloc_pages_nodemask+0xae5/0xd80 [ 52.910784] ? find_held_lock+0x39/0x1d0 [ 52.911586] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 52.912594] ? cache_grow_begin+0x31b/0x400 [ 52.913436] cache_grow_begin+0x86/0x400 [ 52.914254] fallback_alloc+0x150/0x2b0 [ 52.915051] ____cache_alloc_node+0x1cf/0x1e0 [ 52.915940] kmem_cache_alloc_trace+0x27d/0x750 [ 52.916884] ? lock_downgrade+0x990/0x990 [ 52.917691] kvm_dev_ioctl+0x216/0x1840 [ 52.918053] ? lock_release+0xd70/0xd70 [ 52.918416] ? install_new_memslots+0x420/0x420 [ 52.918902] ? avc_has_extended_perms+0x7fa/0x12c0 [ 52.919337] ? unwind_get_return_address+0x61/0xa0 [ 52.920810] ? avc_ss_reset+0x110/0x110 [ 52.923964] ? putname+0xee/0x130 [ 52.924283] ? save_stack+0xa3/0xd0 [ 52.924648] ? save_stack_trace+0x16/0x20 [ 52.925050] ? save_stack+0x43/0xd0 [ 52.925414] ? kasan_slab_free+0x71/0xc0 [ 52.925800] ? kmem_cache_free+0x77/0x280 [ 52.926205] ? putname+0xee/0x130 [ 52.926543] ? do_sys_open+0x31b/0x6d0 [ 52.926920] ? __lock_is_held+0xbc/0x140 [ 52.927343] ? check_same_owner+0x320/0x320 [ 52.927764] ? rcu_note_context_switch+0x710/0x710 [ 52.928247] ? install_new_memslots+0x420/0x420 [ 52.928697] do_vfs_ioctl+0x1b1/0x1530 [ 52.929074] ? _cond_resched+0x14/0x30 [ 52.929469] ? ioctl_preallocate+0x2b0/0x2b0 [ 52.929905] ? selinux_capable+0x40/0x40 [ 52.930311] ? putname+0xf3/0x130 [ 52.930682] ? security_file_ioctl+0x7d/0xb0 [ 52.931115] ? security_file_ioctl+0x89/0xb0 [ 52.931569] SyS_ioctl+0x8f/0xc0 [ 52.931908] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 52.932380] RIP: 0033:0x435959 [ 52.932779] RSP: 002b:00007fff07741c98 EFLAGS: 00000286 ORIG_RAX: 0000000000000010 [ 52.934245] RAX: ffffffffffffffda RBX: 00007fff07741d60 RCX: 0000000000435959 [ 52.935670] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002fb [ 52.936964] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 52.937655] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 52.938347] R13: 0000000000401d90 R14: 0000000000401e20 R15: 0000000000000000 [ 52.939155] Mem-Info: [ 52.939385] active_anon:2994 inactive_anon:42 isolated_anon:0 [ 52.939385] active_file:43 inactive_file:70 isolated_file:30 [ 52.939385] unevictable:0 dirty:0 writeback:0 unstable:0 [ 52.939385] slab_reclaimable:53789 slab_unreclaimable:329908 [ 52.939385] mapped:98 shmem:76 pagetables:297 bounce:0 [ 52.939385] free:17733 free_pcp:45 free_cma:0 [ 52.945696] Node 0 active_anon:3004kB inactive_anon:84kB active_file:112kB inactive_file:224kB unevictable:0kB isolated(anon):0kB isolated(file):120kB mapped:328kB dirty:0kB writeback:0kB shmem:104kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 52.948663] Node 1 active_anon:8972kB inactive_anon:84kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 52.952957] Node 0 DMA free:4148kB min:640kB low:800kB high:960kB active_anon:0kB 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 [ 52.957068] lowmem_reserve[]: 0 886 886 886 [ 52.958185] Node 0 DMA32 free:36260kB min:36536kB low:45668kB high:54800kB active_anon:3004kB inactive_anon:84kB active_file:196kB inactive_file:256kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2240kB pagetables:600kB bounce:0kB free_pcp:60kB local_pcp:0kB free_cma:0kB [ 52.964839] lowmem_reserve[]: 0 0 0 0 [ 52.965799] Node 1 DMA32 free:30664kB min:30404kB low:38004kB high:45604kB active_anon:8972kB inactive_anon:84kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1632kB pagetables:588kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 52.972577] lowmem_reserve[]: 0 0 0 0 [ 52.973496] Node 0 DMA: 3*4kB (UE) 1*8kB (E) 2*16kB (UE) 0*32kB 2*64kB (UE) 1*128kB (U) 1*256kB (E) 1*512kB (E) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4148kB [ 52.975772] Node 0 DMA32: 354*4kB (UME) 291*8kB (UME) 315*16kB (UME) 146*32kB (UME) 78*64kB (UME) 12*128kB (ME) 4*256kB (M) 1*512kB (U) 3*1024kB (UME) 0*2048kB 3*4096kB (M) = 36880kB [ 52.978443] Node 1 DMA32: 279*4kB (UME) 384*8kB (UMH) 171*16kB (UMEH) 203*32kB (UMEH) 132*64kB (UME) 8*128kB (M) 8*256kB (UME) 3*512kB (UME) 4*1024kB (ME) 0*2048kB 0*4096kB = 30572kB [ 52.981084] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 52.982560] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 52.984851] 173 total pagecache pages [ 52.985667] 0 pages in swap cache [ 52.986355] Swap cache stats: add 0, delete 0, find 0/0 [ 52.987327] Free swap = 0kB [ 52.988045] Total swap = 0kB [ 52.988761] 524186 pages RAM [ 52.989350] 0 pages HighMem/MovableOnly [ 52.990020] 103968 pages reserved [ 53.312469] udevd invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=-1000 [ 53.313904] udevd cpuset=/ mems_allowed=0-1 [ 53.314551] CPU: 3 PID: 1526 Comm: udevd Not tainted 4.13.0-rc6-next-20170823+ #7 [ 53.315262] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.315919] Call Trace: [ 53.316281] dump_stack+0x194/0x257 [ 53.316590] ? arch_local_irq_restore+0x53/0x53 [ 53.316983] ? check_noncircular+0x20/0x20 [ 53.317482] dump_header+0x234/0xa0e [ 53.317805] ? pagefault_out_of_memory+0x152/0x152 [ 53.318355] ? lock_acquire+0x1d5/0x580 [ 53.318686] ? ___ratelimit+0x152/0x630 [ 53.319027] ? do_raw_spin_trylock+0x190/0x190 [ 53.319550] ? mark_held_locks+0xb2/0x100 [ 53.319895] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 53.320454] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.320871] ? trace_hardirqs_on+0xd/0x10 [ 53.321401] ? ___ratelimit+0x95/0x630 [ 53.321793] ? idr_get_free+0xff0/0xff0 [ 53.322321] ? lock_downgrade+0x990/0x990 [ 53.322735] ? cred_has_capability+0x1a0/0x3d0 [ 53.323334] oom_kill_process+0x86d/0x13d0 [ 53.323772] ? lock_release+0xd70/0xd70 [ 53.324328] ? oom_evaluate_task+0x480/0x480 [ 53.324774] ? security_capable_noaudit+0x8b/0xc0 [ 53.328428] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 53.328941] ? check_noncircular+0x20/0x20 [ 53.329476] ? has_capability+0x30/0x30 [ 53.329887] ? has_capability_noaudit+0x24/0x30 [ 53.330473] ? oom_badness+0xdf/0xb80 [ 53.330859] ? find_held_lock+0x39/0x1d0 [ 53.331402] ? lock_downgrade+0x990/0x990 [ 53.331821] ? oom_unkillable_task+0x33d/0x4c0 [ 53.332395] ? out_of_memory+0x851/0x11d0 [ 53.332811] ? oom_reaper+0x4d0/0x4d0 [ 53.333320] ? lock_release+0xd70/0xd70 [ 53.333719] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 53.334357] ? oom_evaluate_task+0x284/0x480 [ 53.334805] out_of_memory+0x7dd/0x11d0 [ 53.335293] ? oom_killer_disable+0x310/0x310 [ 53.335702] ? mutex_trylock+0x23a/0x2d0 [ 53.336072] ? __lock_is_held+0xbc/0x140 [ 53.336485] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 53.336975] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 53.337488] ? warn_alloc+0x2f0/0x2f0 [ 53.337833] ? seq_read+0x7cd/0x13d0 [ 53.338200] ? warn_alloc+0x2f0/0x2f0 [ 53.338570] ? save_stack_trace+0x16/0x20 [ 53.338948] ? check_noncircular+0x20/0x20 [ 53.339379] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.339843] ? lock_downgrade+0x990/0x990 [ 53.340259] ? show_initstate+0xb0/0xb0 [ 53.340632] ? find_held_lock+0x39/0x1d0 [ 53.341011] ? __lock_is_held+0xbc/0x140 [ 53.341434] ? check_same_owner+0x320/0x320 [ 53.341831] ? __might_sleep+0x95/0x190 [ 53.342217] __alloc_pages_nodemask+0x9f7/0xd80 [ 53.342667] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.343115] ? __alloc_pages_nodemask+0xae5/0xd80 [ 53.343599] ? find_held_lock+0x39/0x1d0 [ 53.343966] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.344479] ? cache_grow_begin+0x31b/0x400 [ 53.344871] cache_grow_begin+0x86/0x400 [ 53.345260] fallback_alloc+0x150/0x2b0 [ 53.345649] ____cache_alloc_node+0x1cf/0x1e0 [ 53.346050] kmem_cache_alloc_node_trace+0xe9/0x760 [ 53.346538] ? fsnotify+0xb6f/0x1af0 [ 53.348162] ? vma_merge+0x2e8/0x1070 [ 53.348530] __kmalloc_node+0x33/0x70 [ 53.348888] kvmalloc_node+0x99/0xd0 [ 53.349233] seq_read+0x7cd/0x13d0 [ 53.349574] ? seq_lseek+0x3c0/0x3c0 [ 53.349912] ? arch_get_unmapped_area+0x750/0x750 [ 53.350341] ? lock_acquire+0x1d5/0x580 [ 53.350714] kernfs_fop_read+0x455/0x610 [ 53.351091] ? kernfs_vma_page_mkwrite+0x220/0x220 [ 53.351547] ? kernfs_vma_page_mkwrite+0x220/0x220 [ 53.351982] __vfs_read+0xef/0xa00 [ 53.352306] ? rcu_note_context_switch+0x710/0x710 [ 53.352917] ? do_iter_readv_writev+0x7f0/0x7f0 [ 53.353566] ? fsnotify+0x1af0/0x1af0 [ 53.354111] ? _cond_resched+0x14/0x30 [ 53.354476] ? __inode_security_revalidate+0xd9/0x130 [ 53.354956] ? avc_policy_seqno+0x9/0x20 [ 53.355337] ? selinux_file_permission+0x82/0x460 [ 53.355788] ? security_file_permission+0x89/0x1f0 [ 53.356402] ? rw_verify_area+0xe5/0x2b0 [ 53.356784] ? __fdget_raw+0x20/0x20 [ 53.357331] vfs_read+0x124/0x360 [ 53.357681] SyS_read+0xef/0x220 [ 53.358015] ? vfs_copy_file_range+0x960/0x960 [ 53.358470] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.358959] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 53.359444] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 53.359909] RIP: 0033:0x7f96b7ec0310 [ 53.360280] RSP: 002b:00007ffe2cdb5cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 53.361221] RAX: ffffffffffffffda RBX: 000000000179b000 RCX: 00007f96b7ec0310 [ 53.361735] syzkaller267695: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 53.361924] syzkaller267695 cpuset=/ mems_allowed=0-1 [ 53.364382] RDX: 0000000000001000 RSI: 00007f96b87be000 RDI: 000000000000000b [ 53.365533] RBP: 0000000000000086 R08: 00000000ffffffff R09: 0000000000000000 [ 53.366689] R10: 0000000000000022 R11: 0000000000000246 R12: 000000000000000a [ 53.368829] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe2cdb61d0 [ 53.370052] CPU: 1 PID: 3073 Comm: syzkaller267695 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 53.370086] Mem-Info: [ 53.370111] active_anon:2996 inactive_anon:42 isolated_anon:0 [ 53.370111] active_file:30 inactive_file:31 isolated_file:29 [ 53.370111] unevictable:0 dirty:0 writeback:0 unstable:0 [ 53.370111] slab_reclaimable:53806 slab_unreclaimable:330024 [ 53.370111] mapped:26 shmem:76 pagetables:299 bounce:0 [ 53.370111] free:17679 free_pcp:25 free_cma:0 [ 53.370162] Node 0 active_anon:3016kB inactive_anon:84kB active_file:48kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:76kB dirty:0kB writeback:0kB shmem:104kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 53.370194] Node 1 active_anon:8968kB inactive_anon:84kB active_file:72kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 53.370206] Node 0 DMA free:4148kB min:640kB low:800kB high:960kB active_anon:0kB 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 [ 53.370267] lowmem_reserve[]: 0 886 886 886 [ 53.370352] Node 0 DMA32 free:36180kB min:36536kB low:45668kB high:54800kB active_anon:3016kB inactive_anon:84kB active_file:48kB inactive_file:4kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2240kB pagetables:612kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 53.370429] lowmem_reserve[]: 0 0 0 0 [ 53.370513] Node 1 DMA32 free:30388kB min:30404kB low:38004kB high:45604kB active_anon:8968kB inactive_anon:84kB active_file:72kB inactive_file:268kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1632kB pagetables:584kB bounce:0kB free_pcp:100kB local_pcp:100kB free_cma:0kB [ 53.370563] lowmem_reserve[]: 0 0 0 0 [ 53.370654] Node 0 DMA: 3*4kB (UE) 1*8kB (E) 2*16kB (UE) 0*32kB 2*64kB (UE) 1*128kB (U) 1*256kB (E) 1*512kB (E) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4148kB [ 53.370938] Node 0 DMA32: 353*4kB (UME) 282*8kB (UME) 315*16kB (UME) 146*32kB (UME) 78*64kB (UME) 13*128kB (UME) 4*256kB (M) 0*512kB 3*1024kB (UME) 0*2048kB 3*4096kB (M) = 36420kB [ 53.371324] Node 1 DMA32: 285*4kB (UM) 384*8kB (UMH) 171*16kB (UMEH) 201*32kB (UMH) 132*64kB (UME) 8*128kB (M) 8*256kB (UME) 3*512kB (UME) 4*1024kB (ME) 0*2048kB 0*4096kB = 30532kB [ 53.371648] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 53.371680] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 53.371704] 142 total pagecache pages [ 53.371721] 0 pages in swap cache [ 53.371747] Swap cache stats: add 0, delete 0, find 0/0 [ 53.371770] Free swap = 0kB [ 53.371788] Total swap = 0kB [ 53.371792] 524186 pages RAM [ 53.371805] 0 pages HighMem/MovableOnly [ 53.371822] 103968 pages reserved [ 53.371846] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 53.372056] [ 1526] 0 1526 7096 1880 20 3 0 -1000 udevd [ 53.372231] [ 2813] 0 2813 5378 157 16 3 0 -1000 udevd [ 53.372280] [ 2952] 0 2952 14237 159 24 4 0 0 rsyslogd [ 53.372318] [ 2989] 0 2989 4725 48 15 3 0 0 cron [ 53.372365] [ 3015] 0 3015 12490 152 29 3 0 -1000 sshd [ 53.372662] [ 3040] 0 3040 3694 41 14 3 0 0 getty [ 53.372690] [ 3041] 0 3041 3694 41 13 3 0 0 getty [ 53.372756] [ 3042] 0 3042 3694 40 12 3 0 0 getty [ 53.372797] [ 3043] 0 3043 3694 40 13 3 0 0 getty [ 53.372842] [ 3044] 0 3044 3694 41 13 3 0 0 getty [ 53.372869] [ 3045] 0 3045 3694 41 13 3 0 0 getty [ 53.372881] [ 3046] 0 3046 3649 39 13 3 0 0 getty [ 53.372899] [ 3047] 0 3047 5378 157 16 3 0 -1000 udevd [ 53.372940] [ 3068] 0 3068 17820 196 39 3 0 0 sshd [ 53.373009] [ 3071] 0 3071 4367 12 5 2 0 0 syzkaller267695 [ 53.373113] [ 3072] 0 3072 4367 12 5 2 0 0 syzkaller267695 [ 53.373134] [ 3073] 0 3073 4367 16 5 2 0 0 syzkaller267695 [ 53.373208] [ 3074] 0 3074 4367 12 4 2 0 0 syzkaller267695 [ 53.373253] [ 3075] 0 3075 4367 15 5 2 0 0 syzkaller267695 [ 53.373285] [ 3076] 0 3076 4367 12 4 2 0 0 syzkaller267695 [ 53.373339] [ 3077] 0 3077 4367 15 5 2 0 0 syzkaller267695 [ 53.373379] [ 3078] 0 3078 4367 12 5 2 0 0 syzkaller267695 [ 53.373405] Out of memory: Kill process 3068 (sshd) score 0 or sacrifice child [ 53.373897] Killed process 3068 (sshd) total-vm:71280kB, anon-rss:780kB, file-rss:0kB, shmem-rss:4kB [ 53.377492] oom_reaper: reaped process 3068 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB [ 53.417175] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.417876] Call Trace: [ 53.418193] dump_stack+0x194/0x257 [ 53.418695] ? arch_local_irq_restore+0x53/0x53 [ 53.419338] ? isolate_lru_page+0x11d0/0x11d0 [ 53.420035] warn_alloc+0x1c2/0x2f0 [ 53.420577] ? zone_watermark_ok_safe+0x430/0x430 [ 53.421278] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 53.421991] ? warn_alloc+0x2f0/0x2f0 [ 53.422525] ? SyS_ioctl+0x8f/0xc0 [ 53.423024] ? warn_alloc+0x2f0/0x2f0 [ 53.423555] ? save_stack_trace+0x16/0x20 [ 53.424148] ? check_noncircular+0x20/0x20 [ 53.424747] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.425481] ? find_held_lock+0x39/0x1d0 [ 53.426059] ? lock_downgrade+0x990/0x990 [ 53.426654] ? check_same_owner+0x320/0x320 [ 53.427259] ? rcu_note_context_switch+0x710/0x710 [ 53.427936] ? check_noncircular+0x20/0x20 [ 53.428570] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 53.429562] ? __might_sleep+0x95/0x190 [ 53.430123] __alloc_pages_nodemask+0x9f7/0xd80 [ 53.430775] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.431471] ? __alloc_pages_nodemask+0xae5/0xd80 [ 53.432382] ? find_held_lock+0x39/0x1d0 [ 53.432959] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.433736] ? cache_grow_begin+0x31b/0x400 [ 53.434375] cache_grow_begin+0x86/0x400 [ 53.434941] fallback_alloc+0x150/0x2b0 [ 53.435522] ____cache_alloc_node+0x1cf/0x1e0 [ 53.436166] kmem_cache_alloc_trace+0x27d/0x750 [ 53.436812] ? lock_downgrade+0x990/0x990 [ 53.437418] kvm_dev_ioctl+0x216/0x1840 [ 53.437972] ? lock_release+0xd70/0xd70 [ 53.438545] ? install_new_memslots+0x420/0x420 [ 53.439229] ? avc_has_extended_perms+0x7fa/0x12c0 [ 53.439904] ? unwind_get_return_address+0x61/0xa0 [ 53.440621] ? avc_ss_reset+0x110/0x110 [ 53.441195] ? putname+0xee/0x130 [ 53.441673] ? save_stack+0xa3/0xd0 [ 53.442196] ? save_stack_trace+0x16/0x20 [ 53.442768] ? save_stack+0x43/0xd0 [ 53.443289] ? kasan_slab_free+0x71/0xc0 [ 53.443842] ? kmem_cache_free+0x77/0x280 [ 53.444430] ? putname+0xee/0x130 [ 53.444912] ? do_sys_open+0x31b/0x6d0 [ 53.445477] ? __lock_is_held+0xbc/0x140 [ 53.446073] ? check_same_owner+0x320/0x320 [ 53.446671] ? rcu_note_context_switch+0x710/0x710 [ 53.447396] ? install_new_memslots+0x420/0x420 [ 53.448060] do_vfs_ioctl+0x1b1/0x1530 [ 53.448594] ? _cond_resched+0x14/0x30 [ 53.449212] ? ioctl_preallocate+0x2b0/0x2b0 [ 53.449821] ? selinux_capable+0x40/0x40 [ 53.450411] ? putname+0xf3/0x130 [ 53.451076] ? security_file_ioctl+0x7d/0xb0 [ 53.451683] ? security_file_ioctl+0x89/0xb0 [ 53.452323] SyS_ioctl+0x8f/0xc0 [ 53.452797] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 53.453717] RIP: 0033:0x435959 [ 53.454188] RSP: 002b:00007fff07741c98 EFLAGS: 00000286 ORIG_RAX: 0000000000000010 [ 53.455301] RAX: ffffffffffffffda RBX: 00007fff07741d60 RCX: 0000000000435959 [ 53.456360] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000031f [ 53.457417] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 53.458463] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 53.459503] R13: 0000000000401d90 R14: 0000000000401e20 R15: 0000000000000000 Connection to localhost closed by remote host. [ 53.476504] sshd (3068) used greatest stack depth: 9000 bytes left [ 53.516412] syzkaller267695: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 53.517702] syzkaller267695 cpuset=/ mems_allowed=0-1 [ 53.518967] CPU: 1 PID: 3072 Comm: syzkaller267695 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 53.519882] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.520796] Call Trace: [ 53.521119] dump_stack+0x194/0x257 [ 53.521505] ? arch_local_irq_restore+0x53/0x53 [ 53.521987] ? flush_work+0x621/0x930 [ 53.522417] warn_alloc+0x1c2/0x2f0 [ 53.522797] ? zone_watermark_ok_safe+0x430/0x430 [ 53.523331] ? mutex_unlock+0xd/0x10 [ 53.523742] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 53.524350] ? warn_alloc+0x2f0/0x2f0 [ 53.524747] ? SyS_ioctl+0x8f/0xc0 [ 53.525161] ? warn_alloc+0x2f0/0x2f0 [ 53.525560] ? save_stack_trace+0x16/0x20 [ 53.526029] ? check_noncircular+0x20/0x20 [ 53.526476] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.527060] ? find_held_lock+0x39/0x1d0 [ 53.527496] ? lock_downgrade+0x990/0x990 [ 53.527948] ? check_same_owner+0x320/0x320 [ 53.528523] ? rcu_note_context_switch+0x710/0x710 [ 53.529065] ? check_noncircular+0x20/0x20 [ 53.529500] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 53.530217] ? __might_sleep+0x95/0x190 [ 53.530640] __alloc_pages_nodemask+0x9f7/0xd80 [ 53.531161] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.531673] ? __alloc_pages_nodemask+0xae5/0xd80 [ 53.532232] ? find_held_lock+0x39/0x1d0 [ 53.532657] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.533228] ? cache_grow_begin+0x31b/0x400 [ 53.533683] cache_grow_begin+0x86/0x400 [ 53.534139] fallback_alloc+0x150/0x2b0 [ 53.534560] ____cache_alloc_node+0x1cf/0x1e0 [ 53.535069] kmem_cache_alloc_trace+0x27d/0x750 [ 53.535546] ? lock_downgrade+0x990/0x990 [ 53.535982] kvm_dev_ioctl+0x216/0x1840 [ 53.536456] ? lock_release+0xd70/0xd70 [ 53.536637] syzkaller267695: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 53.536652] syzkaller267695 cpuset=/ mems_allowed=0-1 [ 53.538660] ? install_new_memslots+0x420/0x420 [ 53.539188] ? avc_has_extended_perms+0x7fa/0x12c0 [ 53.540937] ? unwind_get_return_address+0x61/0xa0 [ 53.541492] ? avc_ss_reset+0x110/0x110 [ 53.541907] ? putname+0xee/0x130 [ 53.542296] ? save_stack+0xa3/0xd0 [ 53.542676] ? save_stack_trace+0x16/0x20 [ 53.543136] ? save_stack+0x43/0xd0 [ 53.543510] ? kasan_slab_free+0x71/0xc0 [ 53.543926] ? kmem_cache_free+0x77/0x280 [ 53.544409] ? putname+0xee/0x130 [ 53.544772] ? do_sys_open+0x31b/0x6d0 [ 53.545213] ? __lock_is_held+0xbc/0x140 [ 53.545646] ? check_same_owner+0x320/0x320 [ 53.546133] ? rcu_note_context_switch+0x710/0x710 [ 53.546650] ? install_new_memslots+0x420/0x420 [ 53.547172] do_vfs_ioctl+0x1b1/0x1530 [ 53.547568] ? _cond_resched+0x14/0x30 [ 53.547979] ? ioctl_preallocate+0x2b0/0x2b0 [ 53.548497] ? selinux_capable+0x40/0x40 [ 53.548919] ? putname+0xf3/0x130 [ 53.549326] ? security_file_ioctl+0x7d/0xb0 [ 53.549780] ? security_file_ioctl+0x89/0xb0 [ 53.550271] SyS_ioctl+0x8f/0xc0 [ 53.550634] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 53.551156] RIP: 0033:0x435959 [ 53.551486] RSP: 002b:00007fff07741c98 EFLAGS: 00000286 ORIG_RAX: 0000000000000010 [ 53.552362] syzkaller267695: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 53.552376] syzkaller267695 cpuset=/ mems_allowed=0-1 [ 53.570783] syzkaller267695: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 53.570798] syzkaller267695 cpuset=/ mems_allowed=0-1 [ 53.573280] RAX: ffffffffffffffda RBX: 00007fff07741d60 RCX: 0000000000435959 [ 53.574014] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000030b [ 53.574745] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 53.583439] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 53.584176] R13: 0000000000401d90 R14: 0000000000401e20 R15: 0000000000000000 [ 53.584942] CPU: 2 PID: 3077 Comm: syzkaller267695 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 53.585709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.586303] syzkaller267695: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 53.586326] syzkaller267695 cpuset=/ mems_allowed=0-1 [ 53.592936] Call Trace: [ 53.593176] dump_stack+0x194/0x257 [ 53.594541] ? arch_local_irq_restore+0x53/0x53 [ 53.594956] ? flush_work+0x621/0x930 [ 53.596323] warn_alloc+0x1c2/0x2f0 [ 53.596659] ? zone_watermark_ok_safe+0x430/0x430 [ 53.597075] ? mutex_unlock+0xd/0x10 [ 53.598940] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 53.600448] ? warn_alloc+0x2f0/0x2f0 [ 53.600797] ? SyS_ioctl+0x8f/0xc0 [ 53.601116] ? warn_alloc+0x2f0/0x2f0 [ 53.606279] ? save_stack_trace+0x16/0x20 [ 53.606652] ? check_noncircular+0x20/0x20 [ 53.607030] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.607536] ? find_held_lock+0x39/0x1d0 [ 53.607897] ? lock_downgrade+0x990/0x990 [ 53.609934] ? check_same_owner+0x320/0x320 [ 53.610361] ? rcu_note_context_switch+0x710/0x710 [ 53.610781] ? check_noncircular+0x20/0x20 [ 53.611162] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 53.612769] ? __might_sleep+0x95/0x190 [ 53.613129] __alloc_pages_nodemask+0x9f7/0xd80 [ 53.614584] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.615014] ? __alloc_pages_nodemask+0xae5/0xd80 [ 53.617542] ? find_held_lock+0x39/0x1d0 [ 53.618094] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.619677] ? cache_grow_begin+0x31b/0x400 [ 53.620308] cache_grow_begin+0x86/0x400 [ 53.621724] fallback_alloc+0x150/0x2b0 [ 53.622340] ____cache_alloc_node+0x1cf/0x1e0 [ 53.637429] kmem_cache_alloc_trace+0x27d/0x750 [ 53.637755] ? lock_downgrade+0x990/0x990 [ 53.638056] kvm_dev_ioctl+0x216/0x1840 [ 53.638367] ? lock_release+0xd70/0xd70 [ 53.638645] ? install_new_memslots+0x420/0x420 [ 53.638982] ? avc_has_extended_perms+0x7fa/0x12c0 [ 53.639349] ? unwind_get_return_address+0x61/0xa0 [ 53.639701] ? avc_ss_reset+0x110/0x110 [ 53.639980] ? putname+0xee/0x130 [ 53.640236] ? save_stack+0xa3/0xd0 [ 53.640507] ? save_stack_trace+0x16/0x20 [ 53.640798] ? save_stack+0x43/0xd0 [ 53.641050] ? kasan_slab_free+0x71/0xc0 [ 53.641359] ? kmem_cache_free+0x77/0x280 [ 53.641645] ? putname+0xee/0x130 [ 53.641887] ? do_sys_open+0x31b/0x6d0 [ 53.642162] ? __lock_is_held+0xbc/0x140 [ 53.642489] ? check_same_owner+0x320/0x320 [ 53.642793] ? rcu_note_context_switch+0x710/0x710 [ 53.643142] ? install_new_memslots+0x420/0x420 [ 53.643491] do_vfs_ioctl+0x1b1/0x1530 [ 53.643760] ? _cond_resched+0x14/0x30 [ 53.644037] ? ioctl_preallocate+0x2b0/0x2b0 [ 53.644372] ? selinux_capable+0x40/0x40 [ 53.644660] ? putname+0xf3/0x130 [ 53.644917] ? security_file_ioctl+0x7d/0xb0 [ 53.645264] ? security_file_ioctl+0x89/0xb0 [ 53.645617] SyS_ioctl+0x8f/0xc0 [ 53.645893] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 53.646266] RIP: 0033:0x435959 [ 53.646523] RSP: 002b:00007fff07741c98 EFLAGS: 00000286 ORIG_RAX: 0000000000000010 [ 53.647126] RAX: ffffffffffffffda RBX: 00007fff07741d60 RCX: 0000000000435959 [ 53.653126] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002e5 [ 53.654122] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 53.655108] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 53.656089] R13: 0000000000401d90 R14: 0000000000401e20 R15: 0000000000000000 [ 53.657114] CPU: 1 PID: 3075 Comm: syzkaller267695 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 53.658437] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.659695] Call Trace: [ 53.660107] dump_stack+0x194/0x257 [ 53.660677] ? arch_local_irq_restore+0x53/0x53 [ 53.661404] ? isolate_lru_page+0x11d0/0x11d0 [ 53.662109] warn_alloc+0x1c2/0x2f0 [ 53.662669] ? zone_watermark_ok_safe+0x430/0x430 [ 53.663430] ? rcu_note_context_switch+0x710/0x710 [ 53.664202] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 53.665007] ? warn_alloc+0x2f0/0x2f0 [ 53.665601] ? SyS_ioctl+0x8f/0xc0 [ 53.666155] ? warn_alloc+0x2f0/0x2f0 [ 53.666747] ? save_stack_trace+0x16/0x20 [ 53.667424] ? check_noncircular+0x20/0x20 [ 53.680770] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.681520] ? find_held_lock+0x39/0x1d0 [ 53.682098] ? lock_downgrade+0x990/0x990 [ 53.682707] ? check_same_owner+0x320/0x320 [ 53.683315] ? rcu_note_context_switch+0x710/0x710 [ 53.684002] ? check_noncircular+0x20/0x20 [ 53.684590] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 53.685522] ? __might_sleep+0x95/0x190 [ 53.686087] __alloc_pages_nodemask+0x9f7/0xd80 [ 53.686775] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.687177] ? __alloc_pages_nodemask+0xae5/0xd80 [ 53.687560] ? find_held_lock+0x39/0x1d0 [ 53.687891] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.688324] ? cache_grow_begin+0x31b/0x400 [ 53.688689] cache_grow_begin+0x86/0x400 [ 53.690355] fallback_alloc+0x150/0x2b0 [ 53.690983] ____cache_alloc_node+0x1cf/0x1e0 [ 53.691687] kmem_cache_alloc_trace+0x27d/0x750 [ 53.692410] ? lock_downgrade+0x990/0x990 [ 53.693069] kvm_dev_ioctl+0x216/0x1840 [ 53.693690] ? lock_release+0xd70/0xd70 [ 53.694313] ? install_new_memslots+0x420/0x420 [ 53.695050] ? avc_has_extended_perms+0x7fa/0x12c0 [ 53.695805] ? unwind_get_return_address+0x61/0xa0 [ 53.696577] ? avc_ss_reset+0x110/0x110 [ 53.697199] ? putname+0xee/0x130 [ 53.697734] ? save_stack+0xa3/0xd0 [ 53.698304] ? save_stack_trace+0x16/0x20 [ 53.698935] ? save_stack+0x43/0xd0 [ 53.699500] ? kasan_slab_free+0x71/0xc0 [ 53.700123] ? kmem_cache_free+0x77/0x280 [ 53.700769] ? putname+0xee/0x130 [ 53.701303] ? do_sys_open+0x31b/0x6d0 [ 53.701907] ? __lock_is_held+0xbc/0x140 [ 53.705767] ? check_same_owner+0x320/0x320 [ 53.706393] ? rcu_note_context_switch+0x710/0x710 [ 53.707087] ? install_new_memslots+0x420/0x420 [ 53.707837] do_vfs_ioctl+0x1b1/0x1530 [ 53.708384] ? _cond_resched+0x14/0x30 [ 53.708938] ? ioctl_preallocate+0x2b0/0x2b0 [ 53.709560] ? selinux_capable+0x40/0x40 [ 53.710128] ? putname+0xf3/0x130 [ 53.711915] ? security_file_ioctl+0x7d/0xb0 [ 53.712611] ? security_file_ioctl+0x89/0xb0 [ 53.713321] SyS_ioctl+0x8f/0xc0 [ 53.713855] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 53.714525] RIP: 0033:0x435959 [ 53.714975] RSP: 002b:00007fff07741c98 EFLAGS: 00000286 ORIG_RAX: 0000000000000010 [ 53.716050] RAX: ffffffffffffffda RBX: 00007fff07741d60 RCX: 0000000000435959 [ 53.717064] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002fc [ 53.718340] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 53.719450] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 53.723554] R13: 0000000000401d90 R14: 0000000000401e20 R15: 0000000000000000 [ 53.724706] CPU: 0 PID: 3078 Comm: syzkaller267695 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 53.739128] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.739957] syzkaller267695 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 53.739969] syzkaller267695 cpuset=/ mems_allowed=0-1 [ 53.743262] Call Trace: [ 53.743661] dump_stack+0x194/0x257 [ 53.744227] ? arch_local_irq_restore+0x53/0x53 [ 53.744940] ? isolate_lru_page+0x11d0/0x11d0 [ 53.745643] warn_alloc+0x1c2/0x2f0 [ 53.746205] ? zone_watermark_ok_safe+0x430/0x430 [ 53.746944] ? rcu_note_context_switch+0x710/0x710 [ 53.747712] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 53.748512] ? warn_alloc+0x2f0/0x2f0 [ 53.749102] ? SyS_ioctl+0x8f/0xc0 [ 53.749644] ? warn_alloc+0x2f0/0x2f0 [ 53.750231] ? save_stack_trace+0x16/0x20 [ 53.750874] ? check_noncircular+0x20/0x20 [ 53.751539] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.752351] ? find_held_lock+0x39/0x1d0 [ 53.752995] ? lock_downgrade+0x990/0x990 [ 53.754670] ? check_same_owner+0x320/0x320 [ 53.755279] ? rcu_note_context_switch+0x710/0x710 [ 53.756275] ? check_noncircular+0x20/0x20 [ 53.757214] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 53.758147] ? __might_sleep+0x95/0x190 [ 53.759232] __alloc_pages_nodemask+0x9f7/0xd80 [ 53.759998] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.760933] ? __alloc_pages_nodemask+0xae5/0xd80 [ 53.761599] ? find_held_lock+0x39/0x1d0 [ 53.762805] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.763491] ? cache_grow_begin+0x31b/0x400 [ 53.764725] cache_grow_begin+0x86/0x400 [ 53.765318] fallback_alloc+0x150/0x2b0 [ 53.765663] ____cache_alloc_node+0x1cf/0x1e0 [ 53.766899] kmem_cache_alloc_trace+0x27d/0x750 [ 53.767746] ? lock_downgrade+0x990/0x990 [ 53.768838] kvm_dev_ioctl+0x216/0x1840 [ 53.769211] ? lock_release+0xd70/0xd70 [ 53.770313] ? install_new_memslots+0x420/0x420 [ 53.771080] ? avc_has_extended_perms+0x7fa/0x12c0 [ 53.772012] ? unwind_get_return_address+0x61/0xa0 [ 53.772703] ? avc_ss_reset+0x110/0x110 [ 53.774299] ? putname+0xee/0x130 [ 53.774637] ? save_stack+0xa3/0xd0 [ 53.777209] ? save_stack_trace+0x16/0x20 [ 53.777653] ? save_stack+0x43/0xd0 [ 53.778050] ? kasan_slab_free+0x71/0xc0 [ 53.779468] ? kmem_cache_free+0x77/0x280 [ 53.779829] ? putname+0xee/0x130 [ 53.781183] ? do_sys_open+0x31b/0x6d0 [ 53.781537] ? __lock_is_held+0xbc/0x140 [ 53.781901] ? check_same_owner+0x320/0x320 [ 53.783334] ? rcu_note_context_switch+0x710/0x710 [ 53.783764] ? install_new_memslots+0x420/0x420 [ 53.785219] do_vfs_ioctl+0x1b1/0x1530 [ 53.785557] ? _cond_resched+0x14/0x30 [ 53.785895] ? ioctl_preallocate+0x2b0/0x2b0 [ 53.787336] ? selinux_capable+0x40/0x40 [ 53.787686] ? putname+0xf3/0x130 [ 53.788003] ? security_file_ioctl+0x7d/0xb0 [ 53.789436] ? security_file_ioctl+0x89/0xb0 [ 53.789818] SyS_ioctl+0x8f/0xc0 [ 53.790132] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 53.791578] RIP: 0033:0x435959 [ 53.791853] RSP: 002b:00007fff07741c98 EFLAGS: 00000286 ORIG_RAX: 0000000000000010 [ 53.793559] RAX: ffffffffffffffda RBX: 00007fff07741d60 RCX: 0000000000435959 [ 53.794188] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002cf [ 53.798404] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 53.799052] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 53.799679] R13: 0000000000401d90 R14: 0000000000401e20 R15: 0000000000000000 [ 53.800327] CPU: 1 PID: 3073 Comm: syzkaller267695 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 53.801317] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.802162] Call Trace: [ 53.802437] dump_stack+0x194/0x257 [ 53.802814] ? arch_local_irq_restore+0x53/0x53 [ 53.803318] ? check_noncircular+0x20/0x20 [ 53.803758] dump_header+0x234/0xa0e [ 53.804180] ? pagefault_out_of_memory+0x152/0x152 [ 53.804693] ? lock_acquire+0x1d5/0x580 [ 53.805127] ? ___ratelimit+0x152/0x630 [ 53.805515] ? do_raw_spin_trylock+0x190/0x190 [ 53.806037] ? mark_held_locks+0xb2/0x100 [ 53.806473] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 53.806997] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.807540] ? trace_hardirqs_on+0xd/0x10 [ 53.807971] ? ___ratelimit+0x95/0x630 [ 53.808400] ? idr_get_free+0xff0/0xff0 [ 53.808809] ? lock_downgrade+0x990/0x990 [ 53.809254] ? cred_has_capability+0x1a0/0x3d0 [ 53.809730] oom_kill_process+0x86d/0x13d0 [ 53.810194] ? lock_release+0xd70/0xd70 [ 53.810617] ? oom_evaluate_task+0x480/0x480 [ 53.811090] ? security_capable_noaudit+0x8b/0xc0 [ 53.811590] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 53.812131] ? check_noncircular+0x20/0x20 [ 53.812563] ? has_capability+0x30/0x30 [ 53.823412] ? has_capability_noaudit+0x24/0x30 [ 53.823897] ? oom_badness+0xdf/0xb80 [ 53.824299] ? find_held_lock+0x39/0x1d0 [ 53.824735] ? lock_downgrade+0x990/0x990 [ 53.830586] ? oom_unkillable_task+0x33d/0x4c0 [ 53.831059] ? out_of_memory+0x851/0x11d0 [ 53.831494] ? oom_reaper+0x4d0/0x4d0 [ 53.832132] ? lock_release+0xd70/0xd70 [ 53.834790] ? blocking_notifier_call_chain+0x112/0x190 [ 53.835362] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 53.835897] ? oom_evaluate_task+0x284/0x480 [ 53.836357] out_of_memory+0x7dd/0x11d0 [ 53.836868] ? oom_killer_disable+0x310/0x310 [ 53.837825] ? mutex_trylock+0x23a/0x2d0 [ 53.839421] ? rcu_pm_notify+0xc0/0xc0 [ 53.839821] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 53.840544] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 53.849200] ? warn_alloc+0x2f0/0x2f0 [ 53.849602] ? kvm_vm_release+0x42/0x50 [ 53.850026] ? warn_alloc+0x2f0/0x2f0 [ 53.850420] ? save_stack_trace+0x16/0x20 [ 53.850864] ? check_noncircular+0x20/0x20 [ 53.851312] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.851845] ? trace_hardirqs_on+0xd/0x10 [ 53.852289] ? find_held_lock+0x39/0x1d0 [ 53.852758] ? check_same_owner+0x320/0x320 [ 53.853215] ? __might_sleep+0x95/0x190 [ 53.853632] __alloc_pages_nodemask+0x9f7/0xd80 [ 53.854125] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.854640] ? __alloc_pages_nodemask+0xae5/0xd80 [ 53.855143] ? find_held_lock+0x39/0x1d0 [ 53.855571] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.856110] ? cache_grow_begin+0x31b/0x400 [ 53.856567] cache_grow_begin+0x86/0x400 [ 53.856996] fallback_alloc+0x150/0x2b0 [ 53.861870] ____cache_alloc_node+0x1cf/0x1e0 [ 53.862344] kmem_cache_alloc_trace+0x27d/0x750 [ 53.862819] ? refcount_sub_and_test+0x115/0x1b0 [ 53.863335] kvm_uevent_notify_change.part.38+0x8d/0x430 [ 53.863891] ? kvm_put_kvm+0xdf0/0xdf0 [ 53.864295] kvm_put_kvm+0x181/0xdf0 [ 53.864736] ? kvm_clear_guest+0xb0/0xb0 [ 53.865184] ? fcntl_setlk+0x10d0/0x10d0 [ 53.865605] ? _raw_spin_unlock_irq+0x27/0x70 [ 53.866153] ? kvm_irqfd_release+0xdd/0x120 [ 53.871625] ? kvm_irqfd_release+0xdd/0x120 [ 53.872073] ? kvm_put_kvm+0xdf0/0xdf0 [ 53.872476] kvm_vm_release+0x42/0x50 [ 53.872878] __fput+0x333/0x7f0 [ 53.873222] ? fput+0x140/0x140 [ 53.873565] ? check_same_owner+0x320/0x320 [ 53.874009] ? _raw_spin_unlock_irq+0x27/0x70 [ 53.874474] ____fput+0x15/0x20 [ 53.874808] task_work_run+0x199/0x270 [ 53.875216] ? task_work_cancel+0x210/0x210 [ 53.875666] ? _raw_spin_unlock+0x22/0x30 [ 53.876095] ? switch_task_namespaces+0x87/0xc0 [ 53.876578] do_exit+0xa52/0x1b40 [ 53.876942] ? try_to_wake_up+0xbc/0x1600 [ 53.877380] ? save_stack_trace+0x16/0x20 [ 53.877884] ? kasan_check_read+0x1/0x20 [ 53.878300] ? mm_update_next_owner+0x930/0x930 [ 53.878776] ? __send_signal+0xde2/0x17a0 [ 53.879202] ? send_signal+0x4a/0xc0 [ 53.879585] ? __vfs_write+0x68a/0x970 [ 53.879984] ? vfs_write+0x18f/0x510 [ 53.880370] ? SyS_write+0xef/0x220 [ 53.880763] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 53.883930] ? trace_hardirqs_off+0xd/0x10 [ 53.884371] ? _raw_spin_unlock_irqrestore+0xa6/0xba [ 53.884915] ? try_to_wake_up+0xf9/0x1600 [ 53.885345] ? find_held_lock+0x39/0x1d0 [ 53.885771] ? migrate_swap_stop+0x970/0x970 [ 53.886230] ? check_noncircular+0x20/0x20 [ 53.887133] ? find_held_lock+0x39/0x1d0 [ 53.891677] ? find_held_lock+0x39/0x1d0 [ 53.892142] ? lock_downgrade+0x990/0x990 [ 53.895264] ? recalc_sigpending_tsk+0x107/0x150 [ 53.895758] ? recalc_sigpending+0x103/0x160 [ 53.896219] ? recalc_sigpending_tsk+0x150/0x150 [ 53.896713] ? get_signal+0x397/0x17e0 [ 53.897185] do_group_exit+0x149/0x400 [ 53.897583] ? __lock_is_held+0xbc/0x140 [ 53.898009] ? SyS_exit+0x30/0x30 [ 53.898397] ? _raw_spin_unlock_irq+0x27/0x70 [ 53.898864] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.905993] get_signal+0x7e8/0x17e0 [ 53.906422] ? ptrace_notify+0x130/0x130 [ 53.906852] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 53.907350] ? mark_held_locks+0xb2/0x100 [ 53.907775] ? wait_for_completion+0x770/0x770 [ 53.908243] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 53.908782] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.909299] ? trace_hardirqs_on+0xd/0x10 [ 53.909732] do_signal+0x94/0x1ee0 [ 53.910103] ? __lock_task_sighand+0x6e0/0x6e0 [ 53.910576] ? lock_downgrade+0x990/0x990 [ 53.911004] ? setup_sigcontext+0x7d0/0x7d0 [ 53.911445] ? mutex_unlock+0xd/0x10 [ 53.911827] ? pipe_write+0x5eb/0xd70 [ 53.912226] ? iov_iter_init+0xaf/0x1d0 [ 53.912652] ? default_llseek+0x2a0/0x2a0 [ 53.913074] ? selinux_capset+0x100/0x100 [ 53.913506] ? exit_to_usermode_loop+0x98/0x300 [ 53.913985] exit_to_usermode_loop+0x224/0x300 [ 53.914454] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 53.915291] ? rw_verify_area+0xe5/0x2b0 [ 53.925332] ? __fdget_raw+0x20/0x20 [ 53.931833] syscall_return_slowpath+0x42f/0x500 [ 53.932635] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 53.933478] ? SyS_write+0x184/0x220 [ 53.934115] ? entry_SYSCALL_64_fastpath+0x91/0xbe [ 53.934937] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.935765] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 53.936563] entry_SYSCALL_64_fastpath+0xbc/0xbe [ 53.937360] RIP: 0033:0x435959 [ 53.937890] RSP: 002b:00007fff07741c98 EFLAGS: 00000206 ORIG_RAX: 0000000000000001 [ 53.939192] RAX: ffffffffffffffe0 RBX: 00007fff07741d60 RCX: 0000000000435959 [ 53.953317] RDX: 0000000000000012 RSI: 0000000000494a71 RDI: 0000000000000001 [ 53.953931] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 53.954504] R10: 0000000000000002 R11: 0000000000000206 R12: 0000000000000000 [ 53.955117] R13: 0000000000401d90 R14: 0000000000401e20 R15: 0000000000000000 [ 53.955757] CPU: 3 PID: 3071 Comm: syzkaller267695 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 53.955823] Mem-Info: [ 53.955838] active_anon:2781 inactive_anon:41 isolated_anon:0 [ 53.955838] active_file:10 inactive_file:19 isolated_file:0 [ 53.955838] unevictable:0 dirty:0 writeback:0 unstable:0 [ 53.955838] slab_reclaimable:53809 slab_unreclaimable:330026 [ 53.955838] mapped:6 shmem:75 pagetables:246 bounce:0 [ 53.955838] free:17904 free_pcp:281 free_cma:0 [ 53.955849] Node 0 active_anon:2952kB inactive_anon:84kB active_file:64kB inactive_file:80kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:104kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 53.955860] Node 1 active_anon:8172kB inactive_anon:80kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:0kB writeback:0kB shmem:196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 53.955863] Node 0 DMA free:4148kB min:640kB low:800kB high:960kB active_anon:0kB 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 [ 53.955878] lowmem_reserve[]: 0 886 886 886 [ 53.955898] Node 0 DMA32 free:36416kB min:36536kB low:45668kB high:54800kB active_anon:2952kB inactive_anon:84kB active_file:64kB inactive_file:144kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2240kB pagetables:564kB bounce:0kB free_pcp:292kB local_pcp:120kB free_cma:0kB [ 53.955914] lowmem_reserve[]: 0 0 0 0 [ 53.955933] Node 1 DMA32 free:31052kB min:30404kB low:38004kB high:45604kB active_anon:8172kB inactive_anon:80kB active_file:0kB inactive_file:92kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1600kB pagetables:420kB bounce:0kB free_pcp:832kB local_pcp:0kB free_cma:0kB [ 53.955948] lowmem_reserve[]: 0 0 0 0 [ 53.955967] Node 0 DMA: 3*4kB (UE) 1*8kB (E) 2*16kB (UE) 0*32kB 2*64kB (UE) 1*128kB (U) 1*256kB (E) 1*512kB (E) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4148kB [ 53.956062] Node 0 DMA32: 321*4kB (UME) 282*8kB (UME) 315*16kB (UME) 146*32kB (UME) 78*64kB (UME) 13*128kB (UME) 4*256kB (M) 0*512kB 3*1024kB (UME) 0*2048kB 3*4096kB (M) = 36292kB [ 53.956144] Node 1 DMA32: 120*4kB (UME) 371*8kB (UMEH) 172*16kB (UMH) 211*32kB (UMH) 133*64kB (UM) 12*128kB (M) 8*256kB (UME) 3*512kB (UME) 4*1024kB (ME) 0*2048kB 0*4096kB = 30680kB [ 53.956228] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 53.956234] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 53.956238] 156 total pagecache pages [ 53.956245] 0 pages in swap cache [ 53.956250] Swap cache stats: add 0, delete 0, find 0/0 [ 53.956254] Free swap = 0kB [ 53.956257] Total swap = 0kB [ 53.956261] 524186 pages RAM [ 53.956265] 0 pages HighMem/MovableOnly [ 53.956268] 103968 pages reserved [ 53.956271] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 53.956295] [ 1526] 0 1526 7096 1880 20 3 0 -1000 udevd [ 53.956308] [ 2813] 0 2813 5378 157 16 3 0 -1000 udevd [ 53.956320] [ 2952] 0 2952 14237 159 24 4 0 0 rsyslogd [ 53.956331] [ 2989] 0 2989 4725 48 15 3 0 0 cron [ 53.956343] [ 3015] 0 3015 12490 152 29 3 0 -1000 sshd [ 53.956355] [ 3040] 0 3040 3694 41 14 3 0 0 getty [ 53.956366] [ 3041] 0 3041 3694 41 13 3 0 0 getty [ 53.956378] [ 3042] 0 3042 3694 40 12 3 0 0 getty [ 53.956389] [ 3043] 0 3043 3694 40 13 3 0 0 getty [ 53.956401] [ 3044] 0 3044 3694 41 13 3 0 0 getty [ 53.956413] [ 3045] 0 3045 3694 41 13 3 0 0 getty [ 53.956425] [ 3046] 0 3046 3649 39 13 3 0 0 getty [ 53.956436] [ 3047] 0 3047 5378 157 16 3 0 -1000 udevd [ 53.956452] [ 3071] 0 3071 4367 12 5 2 0 0 syzkaller267695 [ 53.956463] [ 3072] 0 3072 4367 12 5 2 0 0 syzkaller267695 [ 53.956476] [ 3074] 0 3074 4367 12 5 2 0 0 syzkaller267695 [ 53.956488] [ 3076] 0 3076 4367 12 5 2 0 0 syzkaller267695 [ 53.956497] Out of memory: Kill process 2952 (rsyslogd) score 0 or sacrifice child [ 53.956674] Killed process 2952 (rsyslogd) total-vm:56948kB, anon-rss:636kB, file-rss:0kB, shmem-rss:0kB [ 53.959301] oom_reaper: reaped process 2952 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 53.962426] syzkaller267695 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 53.962436] syzkaller267695 cpuset=/ mems_allowed=0-1 [ 54.033904] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 54.035053] Call Trace: [ 54.035403] dump_stack+0x194/0x257 [ 54.035912] ? arch_local_irq_restore+0x53/0x53 [ 54.036575] ? isolate_lru_page+0x11d0/0x11d0 [ 54.037213] warn_alloc+0x1c2/0x2f0 [ 54.037725] ? zone_watermark_ok_safe+0x430/0x430 [ 54.038407] ? rcu_note_context_switch+0x710/0x710 [ 54.039120] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 54.039832] ? warn_alloc+0x2f0/0x2f0 [ 54.040366] ? SyS_ioctl+0x8f/0xc0 [ 54.040870] ? warn_alloc+0x2f0/0x2f0 [ 54.041403] ? save_stack_trace+0x16/0x20 [ 54.041993] ? check_noncircular+0x20/0x20 [ 54.042611] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 54.043337] ? find_held_lock+0x39/0x1d0 [ 54.043913] ? lock_downgrade+0x990/0x990 [ 54.044510] ? check_same_owner+0x320/0x320 [ 54.045141] ? rcu_note_context_switch+0x710/0x710 [ 54.045816] ? check_noncircular+0x20/0x20 [ 54.046402] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 54.047325] ? __might_sleep+0x95/0x190 [ 54.047882] __alloc_pages_nodemask+0x9f7/0xd80 [ 54.048525] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 54.049242] ? __alloc_pages_nodemask+0xae5/0xd80 [ 54.049910] ? find_held_lock+0x39/0x1d0 [ 54.050479] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 54.053064] ? cache_grow_begin+0x31b/0x400 [ 54.053649] cache_grow_begin+0x86/0x400 [ 54.054237] fallback_alloc+0x150/0x2b0 [ 54.054776] ____cache_alloc_node+0x1cf/0x1e0 [ 54.055420] kmem_cache_alloc_trace+0x27d/0x750 [ 54.056081] ? lock_downgrade+0x990/0x990 [ 54.056655] kvm_dev_ioctl+0x216/0x1840 [ 54.057235] ? lock_release+0xd70/0xd70 [ 54.057769] ? install_new_memslots+0x420/0x420 [ 54.058451] ? avc_has_extended_perms+0x7fa/0x12c0 [ 54.059147] ? unwind_get_return_address+0x61/0xa0 [ 54.059813] ? avc_ss_reset+0x110/0x110 [ 54.060385] ? putname+0xee/0x130 [ 54.060878] ? save_stack+0xa3/0xd0 [ 54.061404] ? save_stack_trace+0x16/0x20 [ 54.061956] ? save_stack+0x43/0xd0 [ 54.062475] ? kasan_slab_free+0x71/0xc0 [ 54.063015] ? kmem_cache_free+0x77/0x280 [ 54.063603] ? putname+0xee/0x130 [ 54.064225] ? do_sys_open+0x31b/0x6d0 [ 54.064754] ? __lock_is_held+0xbc/0x140 [ 54.065358] ? check_same_owner+0x320/0x320 [ 54.065938] ? rcu_note_context_switch+0x710/0x710 [ 54.066641] ? install_new_memslots+0x420/0x420 [ 54.067313] do_vfs_ioctl+0x1b1/0x1530 [ 54.067831] ? _cond_resched+0x14/0x30 [ 54.068397] ? ioctl_preallocate+0x2b0/0x2b0 [ 54.068995] ? selinux_capable+0x40/0x40 [ 54.069578] ? putname+0xf3/0x130 [ 54.070058] ? security_file_ioctl+0x7d/0xb0 [ 54.070682] ? security_file_ioctl+0x89/0xb0 [ 54.071327] SyS_ioctl+0x8f/0xc0 [ 54.071781] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 54.073405] RIP: 0033:0x435959 [ 54.073828] RSP: 002b:00007fff07741c98 EFLAGS: 00000286 ORIG_RAX: 0000000000000010 [ 54.074886] RAX: ffffffffffffffda RBX: 00007fff07741d60 RCX: 0000000000435959 [ 54.075896] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000325 [ 54.076905] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 54.077897] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 54.078890] R13: 0000000000401d90 R14: 0000000000401e20 R15: 0000000000000000 [ 54.079900] CPU: 1 PID: 3073 Comm: syzkaller267695 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 54.080000] warn_alloc_show_mem: 5 callbacks suppressed [ 54.080079] Mem-Info: [ 54.080101] active_anon:2624 inactive_anon:41 isolated_anon:0 [ 54.080101] active_file:46 inactive_file:20 isolated_file:0 [ 54.080101] unevictable:0 dirty:0 writeback:0 unstable:0 [ 54.080101] slab_reclaimable:53810 slab_unreclaimable:330027 [ 54.080101] mapped:28 shmem:75 pagetables:241 bounce:0 [ 54.080101] free:17703 free_pcp:574 free_cma:0 [ 54.080144] Node 0 active_anon:2428kB inactive_anon:84kB active_file:28kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:104kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 54.080171] Node 1 active_anon:8068kB inactive_anon:80kB active_file:156kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:116kB dirty:0kB writeback:0kB shmem:196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 54.080174] Node 0 DMA free:4148kB min:640kB low:800kB high:960kB active_anon:0kB 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 [ 54.080223] lowmem_reserve[]: 0 886 886 886 [ 54.080262] Node 0 DMA32 free:36076kB min:36536kB low:45668kB high:54800kB active_anon:2424kB inactive_anon:84kB active_file:28kB inactive_file:56kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2208kB pagetables:548kB bounce:0kB free_pcp:1212kB local_pcp:0kB free_cma:0kB [ 54.080300] lowmem_reserve[]: 0 0 0 0 [ 54.080314] Node 1 DMA32 free:30588kB min:30404kB low:38004kB high:45604kB active_anon:8168kB inactive_anon:80kB active_file:56kB inactive_file:348kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1568kB pagetables:416kB bounce:0kB free_pcp:1084kB local_pcp:232kB free_cma:0kB [ 54.080333] lowmem_reserve[]: 0 0 0 0 [ 54.080368] Node 0 DMA: 3*4kB (UE) 1*8kB (E) 2*16kB (UE) 0*32kB 2*64kB (UE) 1*128kB (U) 1*256kB (E) 1*512kB (E) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4148kB [ 54.080535] Node 0 DMA32: 289*4kB (UM) 281*8kB (UM) 314*16kB (UM) 146*32kB (UM) 77*64kB (UME) 13*128kB (UME) 4*256kB (M) 0*512kB 3*1024kB (UME) 0*2048kB 3*4096kB (M) = 36076kB [ 54.080704] Node 1 DMA32: 49*4kB (UME) 354*8kB (UMH) 173*16kB (UMEH) 213*32kB (UMEH) 133*64kB (UM) 12*128kB (M) 8*256kB (UME) 3*512kB (UME) 4*1024kB (ME) 0*2048kB 0*4096kB = 30340kB [ 54.080873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 54.080877] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 54.080886] 182 total pagecache pages [ 54.080911] 0 pages in swap cache [ 54.080915] Swap cache stats: add 0, delete 0, find 0/0 [ 54.080918] Free swap = 0kB [ 54.080920] Total swap = 0kB [ 54.080923] 524186 pages RAM [ 54.080932] 0 pages HighMem/MovableOnly [ 54.080941] 103968 pages reserved [ 54.113425] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 54.114249] Call Trace: [ 54.114507] dump_stack+0x194/0x257 [ 54.116040] ? arch_local_irq_restore+0x53/0x53 [ 54.116488] ? check_noncircular+0x20/0x20 [ 54.117353] dump_header+0x234/0xa0e [ 54.117942] ? pagefault_out_of_memory+0x152/0x152 [ 54.118576] ? lock_acquire+0x1d5/0x580 [ 54.119302] ? ___ratelimit+0x152/0x630 [ 54.119992] ? do_raw_spin_trylock+0x190/0x190 [ 54.120688] ? mark_held_locks+0xb2/0x100 [ 54.121305] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 54.122044] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.122711] ? trace_hardirqs_on+0xd/0x10 [ 54.123253] ? ___ratelimit+0x95/0x630 [ 54.123710] ? idr_get_free+0xff0/0xff0 [ 54.124239] ? find_lock_task_mm+0x1c2/0x460 [ 54.124813] oom_kill_process+0x86d/0x13d0 [ 54.125370] ? lock_release+0xcf0/0xd70 [ 54.126017] ? lock_release+0xd70/0xd70 [ 54.126656] ? oom_evaluate_task+0x480/0x480 [ 54.127299] ? find_lock_task_mm+0x23b/0x460 [ 54.127857] ? task_will_free_mem+0xaa0/0xaa0 [ 54.128416] ? check_noncircular+0x20/0x20 [ 54.128959] ? lock_downgrade+0x990/0x990 [ 54.129572] ? oom_badness+0xdf/0xb80 [ 54.130063] ? find_held_lock+0x39/0x1d0 [ 54.130612] ? lock_downgrade+0x990/0x990 [ 54.131178] ? oom_unkillable_task+0x33d/0x4c0 [ 54.131736] ? out_of_memory+0x851/0x11d0 [ 54.132307] ? oom_reaper+0x4d0/0x4d0 [ 54.132773] ? lock_release+0xd70/0xd70 [ 54.133306] ? blocking_notifier_call_chain+0x112/0x190 [ 54.133943] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 54.134784] ? oom_evaluate_task+0x284/0x480 [ 54.135470] out_of_memory+0x7dd/0x11d0 [ 54.137560] ? oom_killer_disable+0x310/0x310 [ 54.138815] ? mutex_trylock+0x23a/0x2d0 [ 54.139326] ? rcu_pm_notify+0xc0/0xc0 [ 54.139805] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 54.140350] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 54.140920] ? warn_alloc+0x2f0/0x2f0 [ 54.141309] ? kvm_vm_release+0x42/0x50 [ 54.141732] ? warn_alloc+0x2f0/0x2f0 [ 54.142094] ? save_stack_trace+0x16/0x20 [ 54.142576] ? check_noncircular+0x20/0x20 [ 54.142984] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 54.143542] ? trace_hardirqs_on+0xd/0x10 [ 54.143941] ? find_held_lock+0x39/0x1d0 [ 54.144386] ? check_same_owner+0x320/0x320 [ 54.144835] ? __might_sleep+0x95/0x190 [ 54.145249] __alloc_pages_nodemask+0x9f7/0xd80 [ 54.145725] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 54.146199] ? __alloc_pages_nodemask+0xae5/0xd80 [ 54.146716] ? find_held_lock+0x39/0x1d0 [ 54.147100] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 54.147656] ? cache_grow_begin+0x31b/0x400 [ 54.148058] cache_grow_begin+0x86/0x400 [ 54.148484] fallback_alloc+0x150/0x2b0 [ 54.149119] ____cache_alloc_node+0x1cf/0x1e0 [ 54.149629] kmem_cache_alloc_trace+0x27d/0x750 [ 54.150063] ? refcount_sub_and_test+0x115/0x1b0 [ 54.150588] kvm_uevent_notify_change.part.38+0x8d/0x430 [ 54.151092] ? kvm_put_kvm+0xdf0/0xdf0 [ 54.151489] kvm_put_kvm+0x181/0xdf0 [ 54.151889] ? kvm_clear_guest+0xb0/0xb0 [ 54.152329] ? fcntl_setlk+0x10d0/0x10d0 [ 54.152783] ? _raw_spin_unlock_irq+0x27/0x70 [ 54.153216] ? kvm_irqfd_release+0xdd/0x120 [ 54.153703] ? kvm_irqfd_release+0xdd/0x120 [ 54.154103] ? kvm_put_kvm+0xdf0/0xdf0 [ 54.154494] kvm_vm_release+0x42/0x50 [ 54.154894] __fput+0x333/0x7f0 [ 54.155217] ? fput+0x140/0x140 [ 54.155560] ? check_same_owner+0x320/0x320 [ 54.155997] ? _raw_spin_unlock_irq+0x27/0x70 [ 54.156447] ____fput+0x15/0x20 [ 54.156805] task_work_run+0x199/0x270 [ 54.157173] ? task_work_cancel+0x210/0x210 [ 54.159528] ? _raw_spin_unlock+0x22/0x30 [ 54.159968] ? switch_task_namespaces+0x87/0xc0 [ 54.160484] do_exit+0xa52/0x1b40 [ 54.160830] ? try_to_wake_up+0xbc/0x1600 [ 54.161343] ? save_stack_trace+0x16/0x20 [ 54.161737] ? kasan_check_read+0x1/0x20 [ 54.162206] ? mm_update_next_owner+0x930/0x930 [ 54.162669] ? __send_signal+0xde2/0x17a0 [ 54.163146] ? send_signal+0x4a/0xc0 [ 54.163521] ? __vfs_write+0x68a/0x970 [ 54.163897] ? vfs_write+0x18f/0x510 [ 54.164335] ? SyS_write+0xef/0x220 [ 54.164704] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 54.165480] ? trace_hardirqs_off+0xd/0x10 [ 54.166036] ? _raw_spin_unlock_irqrestore+0xa6/0xba [ 54.166720] ? try_to_wake_up+0xf9/0x1600 [ 54.167356] ? find_held_lock+0x39/0x1d0 [ 54.167852] ? migrate_swap_stop+0x970/0x970 [ 54.168525] ? check_noncircular+0x20/0x20 [ 54.169323] ? find_held_lock+0x39/0x1d0 [ 54.170077] ? find_held_lock+0x39/0x1d0 [ 54.170670] ? lock_downgrade+0x990/0x990 [ 54.171296] ? recalc_sigpending_tsk+0x107/0x150 [ 54.171888] ? recalc_sigpending+0x103/0x160 [ 54.172547] ? recalc_sigpending_tsk+0x150/0x150 [ 54.173198] ? get_signal+0x397/0x17e0 [ 54.173718] do_group_exit+0x149/0x400 [ 54.174285] ? __lock_is_held+0xbc/0x140 [ 54.174797] ? SyS_exit+0x30/0x30 [ 54.175321] ? _raw_spin_unlock_irq+0x27/0x70 [ 54.175875] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.176625] get_signal+0x7e8/0x17e0 [ 54.177166] ? ptrace_notify+0x130/0x130 [ 54.177751] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 54.178428] ? mark_held_locks+0xb2/0x100 [ 54.181892] ? wait_for_completion+0x770/0x770 [ 54.182539] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 54.183137] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.183830] ? trace_hardirqs_on+0xd/0x10 [ 54.184258] do_signal+0x94/0x1ee0 [ 54.184684] ? __lock_task_sighand+0x6e0/0x6e0 [ 54.185112] ? lock_downgrade+0x990/0x990 [ 54.185600] ? setup_sigcontext+0x7d0/0x7d0 [ 54.186006] ? mutex_unlock+0xd/0x10 [ 54.186359] ? pipe_write+0x5eb/0xd70 [ 54.186815] ? iov_iter_init+0xaf/0x1d0 [ 54.187208] ? default_llseek+0x2a0/0x2a0 [ 54.187673] ? selinux_capset+0x100/0x100 [ 54.188065] ? exit_to_usermode_loop+0x98/0x300 [ 54.188607] exit_to_usermode_loop+0x224/0x300 [ 54.189041] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 54.189630] ? rw_verify_area+0xe5/0x2b0 [ 54.190009] ? __fdget_raw+0x20/0x20 [ 54.190356] syscall_return_slowpath+0x42f/0x500 [ 54.190888] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 54.191349] ? SyS_write+0x184/0x220 [ 54.191780] ? entry_SYSCALL_64_fastpath+0x91/0xbe [ 54.192245] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.192828] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.193277] entry_SYSCALL_64_fastpath+0xbc/0xbe [ 54.193801] RIP: 0033:0x435959 [ 54.194100] RSP: 002b:00007fff07741c98 EFLAGS: 00000206 ORIG_RAX: 0000000000000001 [ 54.194876] RAX: ffffffffffffffe0 RBX: 00007fff07741d60 RCX: 0000000000435959 [ 54.195629] RDX: 0000000000000012 RSI: 0000000000494a71 RDI: 0000000000000001 [ 54.196284] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 54.197034] R10: 0000000000000002 R11: 0000000000000206 R12: 0000000000000000 [ 54.198009] R13: 0000000000401d90 R14: 0000000000401e20 R15: 0000000000000000 [ 54.199249] Mem-Info: [ 54.199868] active_anon:2625 inactive_anon:41 isolated_anon:0 [ 54.199868] active_file:0 inactive_file:148 isolated_file:0 [ 54.199868] unevictable:0 dirty:0 writeback:0 unstable:0 [ 54.199868] slab_reclaimable:53810 slab_unreclaimable:326504 [ 54.199868] mapped:77 shmem:75 pagetables:242 bounce:0 [ 54.199868] free:21194 free_pcp:423 free_cma:0 [ 54.205075] Node 0 active_anon:2428kB inactive_anon:84kB active_file:32kB inactive_file:688kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:396kB dirty:0kB writeback:0kB shmem:104kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 54.207987] Node 1 active_anon:8072kB inactive_anon:80kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 54.211154] Node 0 DMA free:4148kB min:640kB low:800kB high:960kB active_anon:0kB 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 [ 54.214144] lowmem_reserve[]: 0 886 886 886 [ 54.214600] Node 0 DMA32 free:48904kB min:36536kB low:45668kB high:54800kB active_anon:2400kB inactive_anon:84kB active_file:0kB inactive_file:836kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2144kB pagetables:532kB bounce:0kB free_pcp:524kB local_pcp:0kB free_cma:0kB [ 54.217400] lowmem_reserve[]: 0 0 0 0 [ 54.217918] Node 1 DMA32 free:34652kB min:30404kB low:38004kB high:45604kB active_anon:8168kB inactive_anon:80kB active_file:60kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1568kB pagetables:416kB bounce:0kB free_pcp:1280kB local_pcp:0kB free_cma:0kB [ 54.221314] lowmem_reserve[]: 0 0 0 0 [ 54.222749] Node 0 DMA: 3*4kB (UE) 1*8kB (E) 2*16kB (UE) 0*32kB 2*64kB (UE) 1*128kB (U) 1*256kB (E) 1*512kB (E) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4148kB [ 54.224714] Node 0 DMA32: 210*4kB (UME) 821*8kB (UME) 519*16kB (UME) 214*32kB (UME) 114*64kB (UM) 44*128kB (UME) 10*256kB (UM) 0*512kB 2*1024kB (ME) 0*2048kB 3*4096kB (M) = 52384kB [ 54.226927] Node 1 DMA32: 181*4kB (UM) 746*8kB (UMH) 273*16kB (UMH) 226*32kB (UMH) 138*64kB (UME) 14*128kB (ME) 7*256kB (UM) 3*512kB (UME) 4*1024kB (ME) 0*2048kB 0*4096kB = 36340kB [ 54.228902] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 54.229755] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 54.230634] 301 total pagecache pages [ 54.230993] 0 pages in swap cache [ 54.231353] Swap cache stats: add 0, delete 0, find 0/0 [ 54.231866] Free swap = 0kB [ 54.232242] Total swap = 0kB [ 54.232549] 524186 pages RAM [ 54.232836] 0 pages HighMem/MovableOnly [ 54.233254] 103968 pages reserved [ 54.233597] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 54.234514] [ 1526] 0 1526 7096 1880 20 3 0 -1000 udevd [ 54.235366] [ 2813] 0 2813 5378 157 16 3 0 -1000 udevd [ 54.236465] [ 2989] 0 2989 4725 48 15 3 0 0 cron [ 54.237525] [ 3015] 0 3015 12490 152 29 3 0 -1000 sshd [ 54.238609] [ 3040] 0 3040 3694 41 14 3 0 0 getty [ 54.239915] [ 3041] 0 3041 3694 41 13 3 0 0 getty [ 54.241071] [ 3042] 0 3042 3694 40 12 3 0 0 getty [ 54.242102] [ 3043] 0 3043 3694 40 13 3 0 0 getty [ 54.244798] [ 3044] 0 3044 3694 41 13 3 0 0 getty [ 54.245674] [ 3045] 0 3045 3694 41 13 3 0 0 getty [ 54.246556] [ 3046] 0 3046 3649 39 13 3 0 0 getty [ 54.247420] [ 3047] 0 3047 5378 157 16 3 0 -1000 udevd [ 54.248284] Out of memory: Kill process 2989 (cron) score 0 or sacrifice child [ 54.249071] Killed process 2989 (cron) total-vm:18900kB, anon-rss:188kB, file-rss:4kB, shmem-rss:0kB