executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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: [ 126.026072] syzkaller844047 invoked oom-killer: gfp_mask=0x14082c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0 [ 126.027148] syzkaller844047 cpuset=/ mems_allowed=0-1 [ 126.027563] CPU: 2 PID: 3035 Comm: syzkaller844047 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 126.028150] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 126.028716] Call Trace: [ 126.028902] dump_stack+0x194/0x257 [ 126.029164] ? arch_local_irq_restore+0x53/0x53 [ 126.029493] ? check_noncircular+0x20/0x20 [ 126.029797] dump_header+0x234/0xa0e [ 126.030071] ? pagefault_out_of_memory+0x152/0x152 [ 126.030420] ? lock_acquire+0x1d5/0x580 [ 126.030700] ? ___ratelimit+0x152/0x630 [ 126.031452] ? do_raw_spin_trylock+0x190/0x190 [ 126.031773] ? mark_held_locks+0xb2/0x100 [ 126.032141] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 126.032486] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 126.032928] ? trace_hardirqs_on+0xd/0x10 [ 126.033221] ? ___ratelimit+0x95/0x630 [ 126.033568] ? idr_get_free+0xff0/0xff0 [ 126.033841] ? lock_downgrade+0x990/0x990 [ 126.034212] ? cred_has_capability+0x1a0/0x3d0 [ 126.034530] oom_kill_process+0x86d/0x13d0 [ 126.034908] ? lock_release+0xd70/0xd70 [ 126.035188] ? oom_evaluate_task+0x480/0x480 [ 126.035584] ? security_capable_noaudit+0x8b/0xc0 [ 126.035917] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 126.036370] ? check_noncircular+0x20/0x20 [ 126.036660] ? has_capability+0x30/0x30 [ 126.037023] ? has_capability_noaudit+0x24/0x30 [ 126.037343] ? oom_badness+0xdf/0xb80 [ 126.037688] ? find_held_lock+0x39/0x1d0 [ 126.037977] ? lock_downgrade+0x990/0x990 [ 126.038351] ? out_of_memory+0x921/0x11d0 [ 126.038636] ? oom_reaper+0x4d0/0x4d0 [ 126.038977] ? lock_release+0xd70/0xd70 [ 126.039252] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 126.039702] ? oom_evaluate_task+0x284/0x480 [ 126.040008] out_of_memory+0x7dd/0x11d0 [ 126.040367] ? oom_killer_disable+0x310/0x310 [ 126.040673] ? mutex_trylock+0x23a/0x2d0 [ 126.041033] ? rcu_pm_notify+0xc0/0xc0 [ 126.041302] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 126.041790] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 126.042155] ? warn_alloc+0x2f0/0x2f0 [ 126.042495] ? check_noncircular+0x20/0x20 [ 126.042788] ? lock_downgrade+0x990/0x990 [ 126.043161] ? find_held_lock+0x39/0x1d0 [ 126.043447] ? check_noncircular+0x20/0x20 [ 126.043823] ? find_held_lock+0x39/0x1d0 [ 126.044111] ? lock_downgrade+0x990/0x990 [ 126.044482] ? find_held_lock+0x39/0x1d0 [ 126.044786] ? check_same_owner+0x320/0x320 [ 126.045177] ? __might_sleep+0x95/0x190 [ 126.045453] __alloc_pages_nodemask+0x9f7/0xd80 [ 126.045870] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 126.046218] ? check_same_owner+0x320/0x320 [ 126.046602] ? rcu_pm_notify+0xc0/0xc0 [ 126.046875] ? __kmalloc_node+0x33/0x70 [ 126.047254] ? __kmalloc_node+0x33/0x70 [ 126.047578] ? rcu_read_lock_sched_held+0x108/0x120 [ 126.048063] ? kasan_unpoison_shadow+0x35/0x50 [ 126.048381] alloc_pages_current+0xb6/0x1e0 [ 126.048763] __vmalloc_node_range+0x439/0x730 [ 126.049084] ? kvm_dev_ioctl+0xf28/0x1840 [ 126.049451] __vmalloc_node_flags_caller+0x50/0x60 [ 126.049787] ? kvm_dev_ioctl+0xf28/0x1840 [ 126.050156] kvmalloc_node+0x82/0xd0 [ 126.050415] kvm_dev_ioctl+0xf28/0x1840 [ 126.050774] ? install_new_memslots+0x420/0x420 [ 126.051105] ? avc_has_extended_perms+0x7fa/0x12c0 [ 126.051548] ? unwind_get_return_address+0x61/0xa0 [ 126.051893] ? avc_ss_reset+0x110/0x110 [ 126.052601] ? putname+0xee/0x130 [ 126.052908] ? save_stack+0xa3/0xd0 [ 126.053160] ? save_stack_trace+0x16/0x20 [ 126.053536] ? save_stack+0x43/0xd0 [ 126.053809] ? kmem_cache_free+0x77/0x280 [ 126.054165] ? putname+0xee/0x130 [ 126.054395] ? do_sys_open+0x31b/0x6d0 [ 126.054747] ? __lock_is_held+0xbc/0x140 [ 126.055077] ? check_same_owner+0x320/0x320 [ 126.055470] ? rcu_note_context_switch+0x710/0x710 [ 126.055830] ? install_new_memslots+0x420/0x420 [ 126.056253] do_vfs_ioctl+0x1b1/0x1530 [ 126.056519] ? _cond_resched+0x14/0x30 [ 126.056868] ? ioctl_preallocate+0x2b0/0x2b0 [ 126.057173] ? selinux_capable+0x40/0x40 [ 126.057532] ? putname+0xf3/0x130 [ 126.057782] ? security_file_ioctl+0x7d/0xb0 [ 126.058170] ? security_file_ioctl+0x89/0xb0 [ 126.058474] SyS_ioctl+0x8f/0xc0 [ 126.058777] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 126.059141] RIP: 0033:0x435369 [ 126.059493] RSP: 002b:00007ffda9037278 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 126.060053] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 126.060752] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002ed [ 126.061306] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 126.061963] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 126.062503] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 126.063345] Mem-Info: [ 126.063598] active_anon:3530 inactive_anon:42 isolated_anon:0 [ 126.063598] active_file:37 inactive_file:23 isolated_file:17 [ 126.063598] unevictable:0 dirty:0 writeback:0 unstable:0 [ 126.063598] slab_reclaimable:53527 slab_unreclaimable:329682 [ 126.063598] mapped:29 shmem:76 pagetables:308 bounce:0 [ 126.063598] free:17752 free_pcp:34 free_cma:0 [ 126.065906] Node 0 active_anon:6104kB inactive_anon:76kB active_file:116kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:60kB dirty:0kB writeback:0kB shmem:120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 126.067772] Node 1 active_anon:8016kB inactive_anon:92kB active_file:32kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):68kB mapped:56kB dirty:0kB writeback:0kB shmem:184kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 126.070281] Node 0 DMA free:4164kB min:640kB low:800kB high:960kB active_anon:68kB 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 [ 126.072199] lowmem_reserve[]: 0 886 886 886 [ 126.072637] Node 0 DMA32 free:36504kB min:36536kB low:45668kB high:54800kB active_anon:6036kB inactive_anon:76kB active_file:116kB inactive_file:52kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1536kB pagetables:668kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 126.074897] lowmem_reserve[]: 0 0 0 0 [ 126.075272] Node 1 DMA32 free:30340kB min:30404kB low:38004kB high:45604kB active_anon:8016kB inactive_anon:92kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2336kB pagetables:564kB bounce:0kB free_pcp:168kB local_pcp:0kB free_cma:0kB [ 126.077258] lowmem_reserve[]: 0 0 0 0 [ 126.077747] Node 0 DMA: 7*4kB (UME) 1*8kB (E) 2*16kB (UM) 2*32kB (ME) 1*64kB (U) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4164kB [ 126.078841] Node 0 DMA32: 475*4kB (UME) 318*8kB (UME) 198*16kB (UMEH) 87*32kB (UMEH) 38*64kB (UM) 9*128kB (M) 1*256kB (U) 2*512kB (UM) 1*1024kB (M) 2*2048kB (ME) 4*4096kB (M) = 36764kB [ 126.080419] Node 1 DMA32: 247*4kB (UME) 749*8kB (UM) 421*16kB (UM) 91*32kB (UME) 57*64kB (UME) 19*128kB (UM) 7*256kB (UM) 1*512kB (U) 3*1024kB (UM) 1*2048kB (M) 0*4096kB = 30132kB [ 126.081598] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 126.082382] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 126.082944] 137 total pagecache pages [ 126.083324] 0 pages in swap cache [ 126.083557] Swap cache stats: add 0, delete 0, find 0/0 [ 126.084028] Free swap = 0kB [ 126.084262] Total swap = 0kB [ 126.084535] 524186 pages RAM [ 126.084736] 0 pages HighMem/MovableOnly [ 126.085093] 103968 pages reserved [ 126.085368] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 126.086148] [ 1509] 0 1509 7051 1845 19 3 0 -1000 udevd [ 126.086797] [ 2784] 0 2784 2493 573 9 3 0 0 dhclient [ 126.087630] [ 2911] 0 2911 14245 111 23 3 0 0 rsyslogd [ 126.088272] [ 2950] 0 2950 4725 48 15 3 0 0 cron [ 126.089083] [ 2970] 0 2970 12490 152 28 3 0 -1000 sshd [ 126.089693] [ 3000] 0 3000 3694 38 13 3 0 0 getty [ 126.090548] [ 3001] 0 3001 3694 40 13 3 0 0 getty [ 126.091189] [ 3002] 0 3002 3694 41 13 3 0 0 getty [ 126.091795] [ 3003] 0 3003 3694 41 13 3 0 0 getty [ 126.092384] [ 3004] 0 3004 3694 41 12 4 0 0 getty [ 126.092986] [ 3005] 0 3005 3694 40 13 3 0 0 getty [ 126.093620] [ 3006] 0 3006 3649 41 13 3 0 0 getty [ 126.094256] [ 3009] 0 3009 5332 134 15 3 0 -1000 udevd [ 126.095428] [ 3010] 0 3010 5332 134 15 3 0 -1000 udevd [ 126.096045] [ 3030] 0 3030 17820 197 39 3 0 0 sshd [ 126.096644] [ 3032] 0 3032 271 1 4 2 0 0 syzkaller844047 [ 126.097285] [ 3033] 0 3033 4366 11 5 2 0 0 syzkaller844047 [ 126.097938] [ 3034] 0 3034 4366 11 5 2 0 0 syzkaller844047 [ 126.098597] [ 3035] 0 3035 4366 11 5 2 0 0 syzkaller844047 [ 126.099272] [ 3036] 0 3036 4366 11 5 2 0 0 syzkaller844047 [ 126.099941] [ 3037] 0 3037 4366 11 5 2 0 0 syzkaller844047 [ 126.100582] [ 3038] 0 3038 4366 11 5 2 0 0 syzkaller844047 [ 126.101253] [ 3039] 0 3039 4366 11 5 2 0 0 syzkaller844047 [ 126.101930] [ 3040] 0 3040 4366 11 5 2 0 0 syzkaller844047 [ 126.102640] Out of memory: Kill process 2784 (dhclient) score 1 or sacrifice child [ 126.103370] Killed process 2784 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 126.575277] syzkaller844047 invoked oom-killer: gfp_mask=0x14082c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0 [ 126.576363] syzkaller844047 cpuset=/ mems_allowed=0-1 [ 126.576751] CPU: 0 PID: 3038 Comm: syzkaller844047 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 126.577341] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 126.577914] Call Trace: [ 126.578095] dump_stack+0x194/0x257 [ 126.578343] ? arch_local_irq_restore+0x53/0x53 [ 126.578667] ? check_noncircular+0x20/0x20 [ 126.578958] dump_header+0x234/0xa0e [ 126.579217] ? pagefault_out_of_memory+0x152/0x152 [ 126.579555] ? lock_acquire+0x1d5/0x580 [ 126.579834] ? ___ratelimit+0x152/0x630 [ 126.580107] ? do_raw_spin_trylock+0x190/0x190 [ 126.580418] ? mark_held_locks+0xb2/0x100 [ 126.580707] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 126.581049] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 126.581386] ? trace_hardirqs_on+0xd/0x10 [ 126.581675] ? ___ratelimit+0x95/0x630 [ 126.581940] ? idr_get_free+0xff0/0xff0 [ 126.582206] ? lock_downgrade+0x990/0x990 [ 126.582486] ? cred_has_capability+0x1a0/0x3d0 [ 126.582811] oom_kill_process+0x86d/0x13d0 [ 126.583100] ? lock_release+0xd70/0xd70 [ 126.583374] ? oom_evaluate_task+0x480/0x480 [ 126.583686] ? security_capable_noaudit+0x8b/0xc0 [ 126.584020] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 126.584359] ? check_noncircular+0x20/0x20 [ 126.584636] ? has_capability+0x30/0x30 [ 126.584922] ? has_capability_noaudit+0x24/0x30 [ 126.585233] ? oom_badness+0xdf/0xb80 [ 126.585491] ? find_held_lock+0x39/0x1d0 [ 126.586470] ? lock_downgrade+0x990/0x990 [ 126.586773] ? out_of_memory+0x921/0x11d0 [ 126.587067] ? oom_reaper+0x4d0/0x4d0 [ 126.587357] ? lock_release+0xd70/0xd70 [ 126.587641] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 126.588000] ? oom_evaluate_task+0x284/0x480 [ 126.588326] out_of_memory+0x7dd/0x11d0 [ 126.588606] ? schedule_timeout+0x180/0x250 [ 126.588912] ? oom_killer_disable+0x310/0x310 [ 126.589233] ? mutex_trylock+0x23a/0x2d0 [ 126.589521] ? rcu_pm_notify+0xc0/0xc0 [ 126.589794] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 126.590191] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 126.590571] ? warn_alloc+0x2f0/0x2f0 [ 126.590842] ? lock_downgrade+0x990/0x990 [ 126.591149] ? find_held_lock+0x39/0x1d0 [ 126.591448] ? check_noncircular+0x20/0x20 [ 126.591751] ? lock_downgrade+0x990/0x990 [ 126.592048] ? bpf_prog_alloc+0x310/0x310 [ 126.592349] ? __bpf_address_lookup+0x2b0/0x2b0 [ 126.592685] ? find_held_lock+0x39/0x1d0 [ 126.592998] ? check_same_owner+0x320/0x320 [ 126.593363] ? __might_sleep+0x95/0x190 [ 126.593669] __alloc_pages_nodemask+0x9f7/0xd80 [ 126.594024] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 126.594484] ? check_same_owner+0x320/0x320 [ 126.594789] ? rcu_pm_notify+0xc0/0xc0 [ 126.595057] ? __kmalloc_node+0x33/0x70 [ 126.595402] ? __kmalloc_node+0x33/0x70 [ 126.595670] ? rcu_read_lock_sched_held+0x108/0x120 [ 126.596021] ? kasan_unpoison_shadow+0x35/0x50 [ 126.596369] alloc_pages_current+0xb6/0x1e0 [ 126.596743] __vmalloc_node_range+0x439/0x730 [ 126.597096] ? kvm_dev_ioctl+0xdb9/0x1840 [ 126.597451] __vmalloc_node_flags_caller+0x50/0x60 [ 126.597850] ? kvm_dev_ioctl+0xdb9/0x1840 [ 126.598171] kvmalloc_node+0x82/0xd0 [ 126.598432] kvm_dev_ioctl+0xdb9/0x1840 [ 126.598757] ? lock_release+0xd70/0xd70 [ 126.599067] ? install_new_memslots+0x420/0x420 [ 126.599467] ? avc_has_extended_perms+0x7fa/0x12c0 [ 126.599834] ? unwind_get_return_address+0x61/0xa0 [ 126.600288] ? avc_ss_reset+0x110/0x110 [ 126.600584] ? putname+0xee/0x130 [ 126.600857] ? save_stack+0xa3/0xd0 [ 126.601116] ? save_stack_trace+0x16/0x20 [ 126.601429] ? save_stack+0x43/0xd0 [ 126.601713] ? kasan_slab_free+0x71/0xc0 [ 126.602010] ? kmem_cache_free+0x77/0x280 [ 126.602336] ? putname+0xee/0x130 [ 126.602568] ? do_sys_open+0x31b/0x6d0 [ 126.602845] ? __lock_is_held+0xbc/0x140 [ 126.603126] ? check_same_owner+0x320/0x320 [ 126.603434] ? rcu_note_context_switch+0x710/0x710 [ 126.603765] ? install_new_memslots+0x420/0x420 [ 126.604077] do_vfs_ioctl+0x1b1/0x1530 [ 126.604345] ? _cond_resched+0x14/0x30 [ 126.604610] ? ioctl_preallocate+0x2b0/0x2b0 [ 126.604987] ? selinux_capable+0x40/0x40 [ 126.605266] ? putname+0xf3/0x130 [ 126.605591] ? security_file_ioctl+0x7d/0xb0 [ 126.605903] ? security_file_ioctl+0x89/0xb0 [ 126.606337] SyS_ioctl+0x8f/0xc0 [ 126.606611] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 126.607407] RIP: 0033:0x435369 [ 126.607731] RSP: 002b:00007ffda9037278 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 126.608282] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 126.608784] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000299 [ 126.609310] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 126.609815] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 126.610324] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 126.610951] Mem-Info: [ 126.611226] active_anon:2980 inactive_anon:43 isolated_anon:0 [ 126.611226] active_file:41 inactive_file:18 isolated_file:17 [ 126.611226] unevictable:0 dirty:0 writeback:0 unstable:0 [ 126.611226] slab_reclaimable:53579 slab_unreclaimable:329341 [ 126.611226] mapped:38 shmem:76 pagetables:308 bounce:0 [ 126.611226] free:18458 free_pcp:2 free_cma:0 [ 126.613117] Node 0 active_anon:4008kB inactive_anon:80kB active_file:40kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:0kB writeback:0kB shmem:120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 126.614945] Node 1 active_anon:7912kB inactive_anon:92kB active_file:8kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):68kB mapped:56kB dirty:0kB writeback:0kB shmem:184kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 126.616815] Node 0 DMA free:4164kB min:640kB low:800kB high:960kB active_anon:68kB 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 [ 126.618663] lowmem_reserve[]: 0 886 886 886 [ 126.619025] Node 0 DMA32 free:38836kB min:36536kB low:45668kB high:54800kB active_anon:3940kB inactive_anon:80kB active_file:548kB inactive_file:300kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1504kB pagetables:672kB bounce:0kB free_pcp:304kB local_pcp:0kB free_cma:0kB [ 126.620949] lowmem_reserve[]: 0 0 0 0 [ 126.621235] Node 1 DMA32 free:30252kB min:30404kB low:38004kB high:45604kB active_anon:8012kB inactive_anon:92kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2336kB pagetables:560kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 126.623130] lowmem_reserve[]: 0 0 0 0 [ 126.623403] Node 0 DMA: 7*4kB (UME) 1*8kB (E) 2*16kB (UM) 2*32kB (ME) 1*64kB (U) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4164kB [ 126.624542] Node 0 DMA32: 164*4kB (UMEH) 357*8kB (UMEH) 254*16kB (UMH) 126*32kB (UMH) 56*64kB (UM) 9*128kB (M) 3*256kB (UME) 2*512kB (ME) 2*1024kB (ME) 1*2048kB (M) 4*4096kB (M) = 38616kB [ 126.625818] Node 1 DMA32: 295*4kB (UM) 731*8kB (UMEH) 428*16kB (UMH) 88*32kB (UME) 59*64kB (UM) 20*128kB (UME) 8*256kB (UME) 2*512kB (UE) 4*1024kB (UME) 0*2048kB 0*4096kB = 30196kB [ 126.627073] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 126.627737] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 126.628416] 324 total pagecache pages [ 126.628774] 0 pages in swap cache [ 126.629301] Swap cache stats: add 0, delete 0, find 0/0 [ 126.629659] Free swap = 0kB [ 126.629985] Total swap = 0kB [ 126.630219] 524186 pages RAM [ 126.630552] 0 pages HighMem/MovableOnly [ 126.630824] 103968 pages reserved [ 126.631210] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 126.631944] [ 1509] 0 1509 7051 1845 19 3 0 -1000 udevd [ 126.632969] [ 2911] 0 2911 14245 111 23 3 0 0 rsyslogd [ 126.633741] [ 2950] 0 2950 4725 48 15 3 0 0 cron [ 126.634479] [ 2970] 0 2970 12490 152 28 3 0 -1000 sshd [ 126.635174] [ 3000] 0 3000 3694 38 13 3 0 0 getty executing program [ 126.635855] [ 3001] 0 3001 3694 40 13 3 0 0 getty [ 126.636769] [ 3002] 0 3002 3694 41 13 3 0 0 getty [ 126.637370] [ 3003] 0 3003 3694 41 13 3 0 0 getty [ 126.637959] [ 3004] 0 3004 3694 41 12 4 0 0 getty [ 126.638586] [ 3005] 0 3005 3694 40 13 3 0 0 getty [ 126.639203] [ 3006] 0 3006 3649 41 13 3 0 0 getty [ 126.639873] [ 3009] 0 3009 5333 134 15 3 0 -1000 udevd [ 126.640471] [ 3010] 0 3010 5332 134 15 3 0 -1000 udevd [ 126.641070] [ 3030] 0 3030 17820 197 39 3 0 0 sshd [ 126.641650] [ 3032] 0 3032 271 1 4 2 0 0 syzkaller844047 [ 126.642306] [ 3033] 0 3033 4366 11 5 2 0 0 syzkaller844047 [ 126.642949] [ 3034] 0 3034 4366 11 5 2 0 0 syzkaller844047 [ 126.643607] [ 3035] 0 3035 4366 57 5 2 0 0 syzkaller844047 [ 126.644263] [ 3036] 0 3036 4366 11 5 2 0 0 syzkaller844047 [ 126.644906] [ 3037] 0 3037 4366 11 5 2 0 0 syzkaller844047 [ 126.645557] [ 3038] 0 3038 4366 11 5 2 0 0 syzkaller844047 [ 126.646214] [ 3039] 0 3039 4366 11 5 2 0 0 syzkaller844047 [ 126.646854] [ 3040] 0 3040 4366 11 5 2 0 0 syzkaller844047 [ 126.647553] Out of memory: Kill process 3030 (sshd) score 0 or sacrifice child [ 126.648110] Killed process 3032 (syzkaller844047) total-vm:1084kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 127.319218] syzkaller844047: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 127.319355] syzkaller844047: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 127.319380] syzkaller844047 cpuset=/ mems_allowed=0-1 [ 127.319395] CPU: 0 PID: 3033 Comm: syzkaller844047 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 127.319397] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 127.319399] Call Trace: [ 127.319407] dump_stack+0x194/0x257 [ 127.319414] ? arch_local_irq_restore+0x53/0x53 [ 127.319420] ? isolate_lru_page+0x11d0/0x11d0 [ 127.319444] warn_alloc+0x1c2/0x2f0 [ 127.319449] ? zone_watermark_ok_safe+0x430/0x430 [ 127.319470] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 127.319509] ? warn_alloc+0x2f0/0x2f0 [ 127.319515] ? SyS_ioctl+0x8f/0xc0 [ 127.319523] ? warn_alloc+0x2f0/0x2f0 [ 127.319530] ? save_stack_trace+0x16/0x20 [ 127.319542] ? check_noncircular+0x20/0x20 [ 127.319554] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 127.319568] ? find_held_lock+0x39/0x1d0 [ 127.319581] ? lock_downgrade+0x990/0x990 [ 127.319600] ? check_same_owner+0x320/0x320 [ 127.319607] ? rcu_note_context_switch+0x710/0x710 [ 127.319612] ? check_noncircular+0x20/0x20 [ 127.319616] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 127.319622] ? __might_sleep+0x95/0x190 [ 127.319630] __alloc_pages_nodemask+0x9f7/0xd80 [ 127.319639] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 127.319643] ? __alloc_pages_nodemask+0xae5/0xd80 [ 127.319648] ? find_held_lock+0x39/0x1d0 [ 127.319655] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 127.319675] ? cache_grow_begin+0x31b/0x400 [ 127.319684] cache_grow_begin+0x86/0x400 [ 127.319706] fallback_alloc+0x150/0x2b0 [ 127.319716] ____cache_alloc_node+0x1cf/0x1e0 [ 127.319725] kmem_cache_alloc_trace+0x27d/0x750 [ 127.319729] ? lock_downgrade+0x990/0x990 [ 127.319741] kvm_dev_ioctl+0x216/0x1840 [ 127.319749] ? lock_release+0xd70/0xd70 [ 127.319755] ? install_new_memslots+0x420/0x420 [ 127.319771] ? avc_has_extended_perms+0x7fa/0x12c0 [ 127.319774] ? unwind_get_return_address+0x61/0xa0 [ 127.319786] ? avc_ss_reset+0x110/0x110 [ 127.319791] ? putname+0xee/0x130 [ 127.319796] ? save_stack+0xa3/0xd0 [ 127.319801] ? save_stack_trace+0x16/0x20 [ 127.319805] ? save_stack+0x43/0xd0 [ 127.319808] ? kasan_slab_free+0x71/0xc0 [ 127.319811] ? kmem_cache_free+0x77/0x280 [ 127.319814] ? putname+0xee/0x130 [ 127.319818] ? do_sys_open+0x31b/0x6d0 [ 127.319825] ? __lock_is_held+0xbc/0x140 [ 127.319855] ? check_same_owner+0x320/0x320 [ 127.319862] ? rcu_note_context_switch+0x710/0x710 [ 127.319872] ? install_new_memslots+0x420/0x420 [ 127.319876] do_vfs_ioctl+0x1b1/0x1530 [ 127.319880] ? _cond_resched+0x14/0x30 [ 127.319888] ? ioctl_preallocate+0x2b0/0x2b0 [ 127.319894] ? selinux_capable+0x40/0x40 [ 127.319900] ? putname+0xf3/0x130 [ 127.319915] ? security_file_ioctl+0x7d/0xb0 [ 127.319919] ? security_file_ioctl+0x89/0xb0 [ 127.319926] SyS_ioctl+0x8f/0xc0 [ 127.319935] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 127.319938] RIP: 0033:0x435369 [ 127.319941] RSP: 002b:00007ffda9037278 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 127.319946] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 127.319948] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000315 [ 127.319951] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 127.319953] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 127.319956] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 127.320057] Mem-Info: [ 127.320065] active_anon:2950 inactive_anon:43 isolated_anon:0 [ 127.320065] active_file:31 inactive_file:66 isolated_file:42 [ 127.320065] unevictable:0 dirty:10 writeback:0 unstable:0 [ 127.320065] slab_reclaimable:53692 slab_unreclaimable:329556 [ 127.320065] mapped:34 shmem:76 pagetables:295 bounce:0 [ 127.320065] free:18170 free_pcp:34 free_cma:0 [ 127.320071] Node 0 active_anon:3952kB inactive_anon:80kB active_file:116kB inactive_file:180kB unevictable:0kB isolated(anon):0kB isolated(file):176kB mapped:136kB dirty:40kB writeback:0kB shmem:120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 127.320077] Node 1 active_anon:7848kB inactive_anon:92kB active_file:8kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:184kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 127.320079] Node 0 DMA free:4164kB min:640kB low:800kB high:960kB active_anon:68kB 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 [ 127.320087] lowmem_reserve[]: 0 886 886 886 [ 127.320097] Node 0 DMA32 free:38224kB min:36536kB low:45668kB high:54800kB active_anon:3884kB inactive_anon:80kB active_file:92kB inactive_file:480kB unevictable:0kB writepending:40kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1472kB pagetables:652kB bounce:0kB free_pcp:136kB local_pcp:136kB free_cma:0kB [ 127.320119] lowmem_reserve[]: 0 0 0 0 [ 127.320129] Node 1 DMA32 free:30292kB min:30404kB low:38004kB high:45604kB active_anon:7848kB inactive_anon:92kB active_file:8kB inactive_file:84kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2336kB pagetables:528kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 127.320137] lowmem_reserve[]: 0 0 0 0 [ 127.320160] Node 0 DMA: 7*4kB (UME) 1*8kB (E) 2*16kB (UM) 2*32kB (ME) 1*64kB (U) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4164kB [ 127.320243] Node 0 DMA32: 266*4kB (MH) 319*8kB (UMH) 253*16kB (UMH) 126*32kB (UMH) 57*64kB (UM) 9*128kB (M) 1*256kB (M) 2*512kB (ME) 2*1024kB (ME) 1*2048kB (M) 4*4096kB (M) = 38256kB [ 127.320289] Node 1 DMA32: 305*4kB (UM) 729*8kB (UMEH) 431*16kB (UMEH) 89*32kB (UME) 59*64kB (UM) 20*128kB (UME) 8*256kB (UME) 2*512kB (UE) 4*1024kB (UME) 0*2048kB 0*4096kB = 30300kB [ 127.320347] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 127.320350] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 127.320352] 182 total pagecache pages [ 127.320356] 0 pages in swap cache [ 127.320359] Swap cache stats: add 0, delete 0, find 0/0 [ 127.320361] Free swap = 0kB [ 127.320362] Total swap = 0kB [ 127.320365] 524186 pages RAM [ 127.320367] 0 pages HighMem/MovableOnly [ 127.320368] 103968 pages reserved [ 127.323507] syzkaller844047: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 127.323518] syzkaller844047 cpuset=/ mems_allowed=0-1 [ 127.323528] CPU: 0 PID: 3037 Comm: syzkaller844047 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 127.323530] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 127.323532] Call Trace: [ 127.323538] dump_stack+0x194/0x257 [ 127.323546] ? arch_local_irq_restore+0x53/0x53 [ 127.323552] ? flush_work+0x621/0x930 [ 127.323562] warn_alloc+0x1c2/0x2f0 [ 127.323567] ? zone_watermark_ok_safe+0x430/0x430 [ 127.323571] ? mutex_unlock+0xd/0x10 [ 127.323592] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 127.323631] ? warn_alloc+0x2f0/0x2f0 [ 127.323636] ? SyS_ioctl+0x8f/0xc0 [ 127.323644] ? warn_alloc+0x2f0/0x2f0 [ 127.323651] ? save_stack_trace+0x16/0x20 [ 127.323664] ? check_noncircular+0x20/0x20 [ 127.323675] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 127.323689] ? find_held_lock+0x39/0x1d0 [ 127.323702] ? lock_downgrade+0x990/0x990 [ 127.323721] ? check_same_owner+0x320/0x320 [ 127.323728] ? rcu_note_context_switch+0x710/0x710 [ 127.323732] ? check_noncircular+0x20/0x20 [ 127.323737] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 127.323743] ? __might_sleep+0x95/0x190 [ 127.323750] __alloc_pages_nodemask+0x9f7/0xd80 [ 127.323759] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 127.323764] ? __alloc_pages_nodemask+0xae5/0xd80 [ 127.323769] ? find_held_lock+0x39/0x1d0 [ 127.323775] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 127.323795] ? cache_grow_begin+0x31b/0x400 [ 127.323805] cache_grow_begin+0x86/0x400 [ 127.323813] fallback_alloc+0x150/0x2b0 [ 127.323824] ____cache_alloc_node+0x1cf/0x1e0 [ 127.323832] kmem_cache_alloc_trace+0x27d/0x750 [ 127.323836] ? lock_downgrade+0x990/0x990 [ 127.323848] kvm_dev_ioctl+0x216/0x1840 [ 127.323856] ? lock_release+0xd70/0xd70 [ 127.323862] ? install_new_memslots+0x420/0x420 [ 127.323878] ? avc_has_extended_perms+0x7fa/0x12c0 [ 127.323882] ? unwind_get_return_address+0x61/0xa0 [ 127.323893] ? avc_ss_reset+0x110/0x110 [ 127.323899] ? putname+0xee/0x130 [ 127.323904] ? save_stack+0xa3/0xd0 [ 127.323909] ? save_stack_trace+0x16/0x20 [ 127.323912] ? save_stack+0x43/0xd0 [ 127.323916] ? kasan_slab_free+0x71/0xc0 [ 127.323920] ? kmem_cache_free+0x77/0x280 [ 127.323923] ? putname+0xee/0x130 [ 127.323927] ? do_sys_open+0x31b/0x6d0 [ 127.323935] ? __lock_is_held+0xbc/0x140 [ 127.323951] ? check_same_owner+0x320/0x320 [ 127.323958] ? rcu_note_context_switch+0x710/0x710 [ 127.323968] ? install_new_memslots+0x420/0x420 [ 127.323972] do_vfs_ioctl+0x1b1/0x1530 [ 127.323975] ? _cond_resched+0x14/0x30 [ 127.323983] ? ioctl_preallocate+0x2b0/0x2b0 [ 127.323990] ? selinux_capable+0x40/0x40 [ 127.323995] ? putname+0xf3/0x130 [ 127.324013] ? security_file_ioctl+0x7d/0xb0 [ 127.324017] ? security_file_ioctl+0x89/0xb0 [ 127.324024] SyS_ioctl+0x8f/0xc0 [ 127.324032] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 127.324036] RIP: 0033:0x435369 [ 127.324038] RSP: 002b:00007ffda9037278 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 127.324043] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 127.324046] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000031d [ 127.324048] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 127.324051] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 127.324053] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 127.395520] syzkaller844047 cpuset=/ mems_allowed=0-1 [ 127.395890] CPU: 3 PID: 3039 Comm: syzkaller844047 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 127.396840] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 127.397383] Call Trace: [ 127.397562] dump_stack+0x194/0x257 [ 127.397809] ? arch_local_irq_restore+0x53/0x53 [ 127.398121] ? isolate_lru_page+0x11d0/0x11d0 [ 127.398425] warn_alloc+0x1c2/0x2f0 [ 127.398671] ? zone_watermark_ok_safe+0x430/0x430 [ 127.399012] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 127.399379] ? warn_alloc+0x2f0/0x2f0 [ 127.399635] ? SyS_ioctl+0x8f/0xc0 [ 127.399878] ? warn_alloc+0x2f0/0x2f0 [ 127.400136] ? save_stack_trace+0x16/0x20 [ 127.400423] ? check_noncircular+0x20/0x20 [ 127.400712] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 127.401068] ? find_held_lock+0x39/0x1d0 [ 127.401348] ? lock_downgrade+0x990/0x990 [ 127.401639] ? check_same_owner+0x320/0x320 [ 127.401929] ? rcu_note_context_switch+0x710/0x710 [ 127.402257] ? check_noncircular+0x20/0x20 [ 127.402540] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 127.402986] ? __might_sleep+0x95/0x190 [ 127.403256] __alloc_pages_nodemask+0x9f7/0xd80 [ 127.403574] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 127.403907] ? __alloc_pages_nodemask+0xae5/0xd80 [ 127.404232] ? find_held_lock+0x39/0x1d0 [ 127.404505] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 127.404858] ? cache_grow_begin+0x31b/0x400 [ 127.405152] cache_grow_begin+0x86/0x400 [ 127.405429] fallback_alloc+0x150/0x2b0 [ 127.405701] ____cache_alloc_node+0x1cf/0x1e0 [ 127.406004] kmem_cache_alloc_trace+0x27d/0x750 [ 127.406313] ? lock_downgrade+0x990/0x990 [ 127.406598] kvm_dev_ioctl+0x216/0x1840 [ 127.406871] ? lock_release+0xd70/0xd70 [ 127.407148] ? install_new_memslots+0x420/0x420 [ 127.407475] ? avc_has_extended_perms+0x7fa/0x12c0 [ 127.407809] ? unwind_get_return_address+0x61/0xa0 [ 127.408146] ? avc_ss_reset+0x110/0x110 [ 127.408412] ? putname+0xee/0x130 [ 127.408646] ? save_stack+0xa3/0xd0 [ 127.408891] ? save_stack_trace+0x16/0x20 [ 127.409168] ? save_stack+0x43/0xd0 [ 127.409410] ? kasan_slab_free+0x71/0xc0 [ 127.409692] ? kmem_cache_free+0x77/0x280 [ 127.409970] ? putname+0xee/0x130 [ 127.410201] ? do_sys_open+0x31b/0x6d0 [ 127.410468] ? __lock_is_held+0xbc/0x140 [ 127.410751] ? check_same_owner+0x320/0x320 [ 127.411041] ? rcu_note_context_switch+0x710/0x710 [ 127.411376] ? install_new_memslots+0x420/0x420 [ 127.411687] do_vfs_ioctl+0x1b1/0x1530 [ 127.411946] ? _cond_resched+0x14/0x30 [ 127.412208] ? ioctl_preallocate+0x2b0/0x2b0 [ 127.412504] ? selinux_capable+0x40/0x40 [ 127.412776] ? putname+0xf3/0x130 [ 127.413018] ? security_file_ioctl+0x7d/0xb0 [ 127.413313] ? security_file_ioctl+0x89/0xb0 [ 127.413609] SyS_ioctl+0x8f/0xc0 [ 127.413839] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 127.414153] RIP: 0033:0x435369 [ 127.414363] RSP: 002b:00007ffda9037278 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 127.414866] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 127.415361] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000329 [ 127.415852] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 127.416327] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 127.416805] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 127.743501] syzkaller844047: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 127.744624] syzkaller844047 cpuset=/ mems_allowed=0-1 [ 127.745064] CPU: 0 PID: 3037 Comm: syzkaller844047 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 127.745625] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 127.746221] Call Trace: [ 127.746399] dump_stack+0x194/0x257 [ 127.746647] ? arch_local_irq_restore+0x53/0x53 [ 127.746963] ? isolate_lru_page+0x11d0/0x11d0 [ 127.747278] warn_alloc+0x1c2/0x2f0 [ 127.747527] ? zone_watermark_ok_safe+0x430/0x430 [ 127.747857] ? rcu_note_context_switch+0x710/0x710 [ 127.748197] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 127.748557] ? warn_alloc+0x2f0/0x2f0 [ 127.748816] ? SyS_ioctl+0x8f/0xc0 [ 127.749058] ? warn_alloc+0x2f0/0x2f0 [ 127.749317] ? save_stack_trace+0x16/0x20 [ 127.749604] ? check_noncircular+0x20/0x20 [ 127.749896] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 127.750255] ? find_held_lock+0x39/0x1d0 [ 127.750538] ? lock_downgrade+0x990/0x990 [ 127.750832] ? check_same_owner+0x320/0x320 [ 127.751126] ? rcu_note_context_switch+0x710/0x710 [ 127.751458] ? check_noncircular+0x20/0x20 [ 127.751744] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 127.752191] ? __might_sleep+0x95/0x190 [ 127.752465] __alloc_pages_nodemask+0x9f7/0xd80 [ 127.752783] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 127.753118] ? __alloc_pages_nodemask+0xae5/0xd80 [ 127.753443] ? find_held_lock+0x39/0x1d0 [ 127.753734] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 127.754085] ? cache_grow_begin+0x31b/0x400 [ 127.754381] cache_grow_begin+0x86/0x400 [ 127.754660] fallback_alloc+0x150/0x2b0 [ 127.754934] ____cache_alloc_node+0x1cf/0x1e0 [ 127.755240] kmem_cache_alloc_trace+0x27d/0x750 [ 127.755556] ? lock_downgrade+0x990/0x990 [ 127.755844] kvm_dev_ioctl+0x216/0x1840 [ 127.756116] ? lock_release+0xd70/0xd70 [ 127.756399] ? install_new_memslots+0x420/0x420 [ 127.756723] ? avc_has_extended_perms+0x7fa/0x12c0 [ 127.757051] ? unwind_get_return_address+0x61/0xa0 [ 127.757388] ? avc_ss_reset+0x110/0x110 [ 127.757657] ? putname+0xee/0x130 [ 127.757892] ? save_stack+0xa3/0xd0 [ 127.758139] ? save_stack_trace+0x16/0x20 [ 127.758414] ? save_stack+0x43/0xd0 [ 127.758659] ? kasan_slab_free+0x71/0xc0 [ 127.758932] ? kmem_cache_free+0x77/0x280 [ 127.759208] ? putname+0xee/0x130 [ 127.759456] ? do_sys_open+0x31b/0x6d0 [ 127.759919] ? __lock_is_held+0xbc/0x140 [ 127.760204] ? check_same_owner+0x320/0x320 [ 127.760497] ? rcu_note_context_switch+0x710/0x710 [ 127.760833] ? install_new_memslots+0x420/0x420 [ 127.761146] do_vfs_ioctl+0x1b1/0x1530 [ 127.761407] ? _cond_resched+0x14/0x30 [ 127.761673] ? ioctl_preallocate+0x2b0/0x2b0 [ 127.761971] ? selinux_capable+0x40/0x40 [ 127.762246] ? putname+0xf3/0x130 [ 127.762490] ? security_file_ioctl+0x7d/0xb0 [ 127.762785] ? security_file_ioctl+0x89/0xb0 [ 127.763083] SyS_ioctl+0x8f/0xc0 [ 127.763321] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 127.763639] RIP: 0033:0x435369 [ 127.763854] RSP: 002b:00007ffda9037278 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 127.764367] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 127.764848] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000031e [ 127.765334] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 127.765815] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 127.766296] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 127.767184] syzkaller844047: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 127.768114] syzkaller844047 cpuset=/ mems_allowed=0-1 [ 127.768497] CPU: 0 PID: 3033 Comm: syzkaller844047 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 127.769067] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 127.769672] Call Trace: [ 127.769851] dump_stack+0x194/0x257 [ 127.770107] ? arch_local_irq_restore+0x53/0x53 [ 127.770420] ? flush_work+0x621/0x930 [ 127.770681] warn_alloc+0x1c2/0x2f0 [ 127.770690] syzkaller844047 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 127.770698] syzkaller844047 cpuset=/ mems_allowed=0-1 [ 127.772145] ? zone_watermark_ok_safe+0x430/0x430 [ 127.772468] ? mutex_unlock+0xd/0x10 [ 127.772735] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 127.773093] ? warn_alloc+0x2f0/0x2f0 [ 127.773349] ? SyS_ioctl+0x8f/0xc0 [ 127.773591] ? warn_alloc+0x2f0/0x2f0 [ 127.773850] ? save_stack_trace+0x16/0x20 [ 127.774136] ? check_noncircular+0x20/0x20 [ 127.774427] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 127.774792] ? find_held_lock+0x39/0x1d0 [ 127.775075] ? lock_downgrade+0x990/0x990 [ 127.775371] ? check_same_owner+0x320/0x320 [ 127.775661] ? rcu_note_context_switch+0x710/0x710 [ 127.775990] ? check_noncircular+0x20/0x20 [ 127.776275] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 127.776726] ? __might_sleep+0x95/0x190 [ 127.776998] __alloc_pages_nodemask+0x9f7/0xd80 [ 127.777315] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 127.777651] ? __alloc_pages_nodemask+0xae5/0xd80 [ 127.777976] ? find_held_lock+0x39/0x1d0 [ 127.778252] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 127.778603] ? cache_grow_begin+0x31b/0x400 [ 127.778899] cache_grow_begin+0x86/0x400 [ 127.779177] fallback_alloc+0x150/0x2b0 [ 127.779453] ____cache_alloc_node+0x1cf/0x1e0 [ 127.779759] kmem_cache_alloc_trace+0x27d/0x750 [ 127.780071] ? lock_downgrade+0x990/0x990 [ 127.780354] kvm_dev_ioctl+0x216/0x1840 [ 127.780969] ? lock_release+0xd70/0xd70 [ 127.781196] ? install_new_memslots+0x420/0x420 [ 127.781490] ? avc_has_extended_perms+0x7fa/0x12c0 [ 127.781835] ? unwind_get_return_address+0x61/0xa0 [ 127.782214] ? avc_ss_reset+0x110/0x110 [ 127.782491] ? putname+0xee/0x130 [ 127.782733] ? save_stack+0xa3/0xd0 [ 127.783044] ? save_stack_trace+0x16/0x20 [ 127.783334] ? save_stack+0x43/0xd0 [ 127.783583] ? kasan_slab_free+0x71/0xc0 [ 127.783860] ? kmem_cache_free+0x77/0x280 [ 127.784190] ? putname+0xee/0x130 [ 127.784431] ? do_sys_open+0x31b/0x6d0 [ 127.784705] ? __lock_is_held+0xbc/0x140 [ 127.785030] ? check_same_owner+0x320/0x320 [ 127.785379] ? rcu_note_context_switch+0x710/0x710 [ 127.785735] ? install_new_memslots+0x420/0x420 [ 127.786115] do_vfs_ioctl+0x1b1/0x1530 [ 127.786395] ? _cond_resched+0x14/0x30 [ 127.786665] ? ioctl_preallocate+0x2b0/0x2b0 [ 127.787029] ? selinux_capable+0x40/0x40 [ 127.787373] ? putname+0xf3/0x130 [ 127.787621] ? security_file_ioctl+0x7d/0xb0 [ 127.787921] ? security_file_ioctl+0x89/0xb0 [ 127.788272] SyS_ioctl+0x8f/0xc0 [ 127.788509] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 127.788870] RIP: 0033:0x435369 [ 127.789095] RSP: 002b:00007ffda9037278 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 127.789636] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 127.790141] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000316 [ 127.790643] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 127.791153] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 127.791657] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 127.792181] CPU: 1 PID: 3036 Comm: syzkaller844047 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 127.793082] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 127.793890] Call Trace: [ 127.794160] dump_stack+0x194/0x257 [ 127.794539] ? arch_local_irq_restore+0x53/0x53 [ 127.795013] ? check_noncircular+0x20/0x20 [ 127.795465] dump_header+0x234/0xa0e [ 127.795869] ? pagefault_out_of_memory+0x152/0x152 [ 127.796427] ? lock_acquire+0x1d5/0x580 [ 127.796950] ? ___ratelimit+0x152/0x630 [ 127.797372] ? do_raw_spin_trylock+0x190/0x190 [ 127.797892] ? mark_held_locks+0xb2/0x100 [ 127.798359] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 127.798924] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 127.799443] ? trace_hardirqs_on+0xd/0x10 [ 127.799864] ? ___ratelimit+0x95/0x630 [ 127.800260] ? idr_get_free+0xff0/0xff0 [ 127.800665] ? lock_downgrade+0x990/0x990 [ 127.801092] ? cred_has_capability+0x1a0/0x3d0 [ 127.801579] oom_kill_process+0x86d/0x13d0 [ 127.801989] ? lock_release+0xd70/0xd70 [ 127.802592] ? oom_evaluate_task+0x480/0x480 [ 127.803092] ? security_capable_noaudit+0x8b/0xc0 [ 127.803591] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 127.804114] ? check_noncircular+0x20/0x20 [ 127.804608] ? has_capability+0x30/0x30 [ 127.805055] ? has_capability_noaudit+0x24/0x30 [ 127.805533] ? oom_badness+0xdf/0xb80 [ 127.805960] ? find_held_lock+0x39/0x1d0 [ 127.806392] ? lock_downgrade+0x990/0x990 [ 127.806880] ? out_of_memory+0x921/0x11d0 [ 127.807401] ? oom_reaper+0x4d0/0x4d0 [ 127.807803] ? lock_release+0xd70/0xd70 [ 127.808255] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 127.808896] ? oom_evaluate_task+0x284/0x480 [ 127.809088] syzkaller844047: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 127.809104] syzkaller844047 cpuset=/ mems_allowed=0-1 [ 127.811352] out_of_memory+0x7dd/0x11d0 [ 127.811775] ? oom_killer_disable+0x310/0x310 [ 127.812284] ? mutex_trylock+0x23a/0x2d0 [ 127.812707] ? rcu_pm_notify+0xc0/0xc0 [ 127.813101] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 127.813661] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 127.814219] ? warn_alloc+0x2f0/0x2f0 [ 127.814611] ? do_vfs_ioctl+0x1b1/0x1530 [ 127.815031] ? warn_alloc+0x2f0/0x2f0 [ 127.815436] ? save_stack_trace+0x16/0x20 [ 127.815925] ? check_noncircular+0x20/0x20 [ 127.816365] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 127.816881] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 127.817402] ? kvm_dev_ioctl+0xb4e/0x1840 [ 127.817830] ? do_vfs_ioctl+0x1b1/0x1530 [ 127.818248] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 127.818766] ? find_held_lock+0x39/0x1d0 [ 127.819230] ? check_same_owner+0x320/0x320 [ 127.819678] ? find_held_lock+0x39/0x1d0 [ 127.820158] ? __might_sleep+0x95/0x190 [ 127.820578] __alloc_pages_nodemask+0x9f7/0xd80 [ 127.821096] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 127.821650] ? __alloc_pages_nodemask+0xae5/0xd80 [ 127.822183] ? find_held_lock+0x39/0x1d0 [ 127.822646] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 127.823213] ? cache_grow_begin+0x31b/0x400 [ 127.823550] cache_grow_begin+0x86/0x400 [ 127.824199] fallback_alloc+0x150/0x2b0 [ 127.824628] ____cache_alloc_node+0x1cf/0x1e0 [ 127.825109] kmem_cache_alloc_trace+0x27d/0x750 [ 127.825620] ? __debugfs_create_file+0x2cc/0x3e0 [ 127.826135] kvm_uevent_notify_change.part.38+0x174/0x430 [ 127.826703] kvm_dev_ioctl+0x716/0x1840 [ 127.827128] ? install_new_memslots+0x420/0x420 [ 127.827644] ? avc_has_extended_perms+0x7fa/0x12c0 [ 127.828157] ? unwind_get_return_address+0x61/0xa0 [ 127.828677] ? avc_ss_reset+0x110/0x110 [ 127.829089] ? putname+0xee/0x130 [ 127.829449] ? save_stack+0xa3/0xd0 [ 127.829830] ? save_stack_trace+0x16/0x20 [ 127.830264] ? save_stack+0x43/0xd0 [ 127.830537] ? kmem_cache_free+0x77/0x280 [ 127.830815] ? putname+0xee/0x130 [ 127.831072] ? do_sys_open+0x31b/0x6d0 [ 127.831485] ? __lock_is_held+0xbc/0x140 [ 127.831928] ? check_same_owner+0x320/0x320 [ 127.832394] ? install_new_memslots+0x420/0x420 [ 127.832875] do_vfs_ioctl+0x1b1/0x1530 [ 127.833282] ? _cond_resched+0x14/0x30 [ 127.833695] ? ioctl_preallocate+0x2b0/0x2b0 [ 127.834209] ? selinux_capable+0x40/0x40 [ 127.834642] ? putname+0xf3/0x130 [ 127.834996] ? security_file_ioctl+0x7d/0xb0 [ 127.835431] ? security_file_ioctl+0x89/0xb0 [ 127.835867] SyS_ioctl+0x8f/0xc0 [ 127.836207] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 127.836669] RIP: 0033:0x435369 [ 127.836979] RSP: 002b:00007ffda9037278 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 127.837729] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 127.838460] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002b5 [ 127.839165] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 127.839891] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 127.840620] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 127.841379] CPU: 3 PID: 3035 Comm: syzkaller844047 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 127.841409] Mem-Info: [ 127.841424] active_anon:2962 inactive_anon:43 isolated_anon:0 [ 127.841424] active_file:66 inactive_file:12 isolated_file:32 [ 127.841424] unevictable:0 dirty:0 writeback:4 unstable:0 [ 127.841424] slab_reclaimable:53722 slab_unreclaimable:329530 [ 127.841424] mapped:92 shmem:76 pagetables:295 bounce:0 [ 127.841424] free:17627 free_pcp:477 free_cma:0 [ 127.841435] Node 0 active_anon:4004kB inactive_anon:80kB active_file:232kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:368kB dirty:0kB writeback:8kB shmem:120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 127.841446] Node 1 active_anon:7844kB inactive_anon:92kB active_file:32kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:8kB shmem:184kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 127.841450] Node 0 DMA free:4164kB min:640kB low:800kB high:960kB active_anon:68kB 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 [ 127.841491] lowmem_reserve[]: 0 886 886 886 [ 127.841511] Node 0 DMA32 free:36456kB min:36536kB low:45668kB high:54800kB active_anon:3936kB inactive_anon:80kB active_file:748kB inactive_file:736kB unevictable:0kB writepending:8kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1472kB pagetables:656kB bounce:0kB free_pcp:1432kB local_pcp:0kB free_cma:0kB [ 127.841526] lowmem_reserve[]: 0 0 0 0 [ 127.841546] Node 1 DMA32 free:29888kB min:30404kB low:38004kB high:45604kB active_anon:7844kB inactive_anon:92kB active_file:32kB inactive_file:40kB unevictable:0kB writepending:8kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2336kB pagetables:524kB bounce:0kB free_pcp:476kB local_pcp:0kB free_cma:0kB [ 127.841561] lowmem_reserve[]: 0 0 0 0 [ 127.841581] Node 0 DMA: 7*4kB (UME) 1*8kB (E) 2*16kB (UM) 2*32kB (ME) 1*64kB (U) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4164kB [ 127.841663] Node 0 DMA32: 47*4kB (UMH) 260*8kB (UMEH) 253*16kB (UMEH) 127*32kB (UMEH) 59*64kB (UME) 10*128kB (ME) 2*256kB (ME) 1*512kB (M) 2*1024kB (ME) 1*2048kB (M) 4*4096kB (M) = 36940kB [ 127.841753] Node 1 DMA32: 214*4kB (UME) 727*8kB (UMH) 433*16kB (UMH) 87*32kB (UM) 59*64kB (UM) 20*128kB (UME) 8*256kB (UME) 2*512kB (UE) 4*1024kB (UME) 0*2048kB 0*4096kB = 29888kB [ 127.841837] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 127.841843] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 127.841846] 216 total pagecache pages [ 127.841854] 0 pages in swap cache [ 127.841859] Swap cache stats: add 0, delete 0, find 0/0 [ 127.841863] Free swap = 0kB [ 127.841866] Total swap = 0kB [ 127.841870] 524186 pages RAM [ 127.841874] 0 pages HighMem/MovableOnly [ 127.841878] 103968 pages reserved [ 127.841882] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 127.841905] [ 1509] 0 1509 7085 1854 19 3 0 -1000 udevd [ 127.841917] [ 2911] 0 2911 14245 161 23 3 0 0 rsyslogd [ 127.841928] [ 2950] 0 2950 4725 48 15 3 0 0 cron [ 127.841940] [ 2970] 0 2970 12490 152 28 3 0 -1000 sshd [ 127.841951] [ 3000] 0 3000 3694 38 13 3 0 0 getty [ 127.841963] [ 3001] 0 3001 3694 40 13 3 0 0 getty [ 127.841974] [ 3002] 0 3002 3694 41 13 3 0 0 getty [ 127.841985] [ 3003] 0 3003 3694 41 13 3 0 0 getty [ 127.841997] [ 3004] 0 3004 3694 41 12 4 0 0 getty [ 127.842026] [ 3005] 0 3005 3694 40 13 3 0 0 getty [ 127.842038] [ 3006] 0 3006 3649 41 13 3 0 0 getty [ 127.842050] [ 3009] 0 3009 5332 134 15 3 0 -1000 udevd [ 127.842061] [ 3010] 0 3010 5332 134 15 3 0 -1000 udevd [ 127.842073] [ 3030] 0 3030 17820 197 39 3 0 0 sshd [ 127.842084] [ 3033] 0 3033 4366 11 5 2 0 0 syzkaller844047 [ 127.842095] [ 3034] 0 3034 4366 11 5 2 0 0 syzkaller844047 [ 127.842106] [ 3035] 0 3035 4366 11 5 2 0 0 syzkaller844047 [ 127.842117] [ 3036] 0 3036 4366 11 5 2 0 0 syzkaller844047 [ 127.842129] [ 3037] 0 3037 4366 11 5 2 0 0 syzkaller844047 [ 127.842139] [ 3038] 0 3038 4366 11 5 2 0 0 syzkaller844047 [ 127.842151] [ 3039] 0 3039 4366 11 5 2 0 0 syzkaller844047 [ 127.842162] [ 3040] 0 3040 4366 11 5 2 0 0 syzkaller844047 [ 127.842168] Out of memory: Kill process 3030 (sshd) score 0 or sacrifice child [ 127.842190] Killed process 3030 (sshd) total-vm:71280kB, anon-rss:784kB, file-rss:0kB, shmem-rss:4kB [ 127.847318] oom_reaper: reaped process 3030 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB [ 127.879398] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 127.879940] Call Trace: [ 127.880133] dump_stack+0x194/0x257 [ 127.880381] ? arch_local_irq_restore+0x53/0x53 [ 127.880694] ? isolate_lru_page+0x11d0/0x11d0 [ 127.881001] warn_alloc+0x1c2/0x2f0 [ 127.881256] ? zone_watermark_ok_safe+0x430/0x430 [ 127.881595] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 127.881948] ? warn_alloc+0x2f0/0x2f0 [ 127.882219] ? SyS_ioctl+0x8f/0xc0 [ 127.882461] ? warn_alloc+0x2f0/0x2f0 [ 127.882717] ? save_stack_trace+0x16/0x20 [ 127.883003] ? check_noncircular+0x20/0x20 [ 127.883305] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 127.883658] ? find_held_lock+0x39/0x1d0 [ 127.883933] ? lock_downgrade+0x990/0x990 [ 127.884241] ? check_same_owner+0x320/0x320 [ 127.884531] ? rcu_note_context_switch+0x710/0x710 [ 127.884858] ? check_noncircular+0x20/0x20 [ 127.885151] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 127.885593] ? __might_sleep+0x95/0x190 [ 127.885860] __alloc_pages_nodemask+0x9f7/0xd80 [ 127.886188] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 127.886520] ? __alloc_pages_nodemask+0xae5/0xd80 [ 127.887211] ? find_held_lock+0x39/0x1d0 [ 127.887539] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 127.887907] ? cache_grow_begin+0x31b/0x400 [ 127.888212] cache_grow_begin+0x86/0x400 [ 127.888498] fallback_alloc+0x150/0x2b0 [ 127.888779] ____cache_alloc_node+0x1cf/0x1e0 [ 127.889093] kmem_cache_alloc_trace+0x27d/0x750 [ 127.889416] ? lock_downgrade+0x990/0x990 [ 127.889718] kvm_dev_ioctl+0x216/0x1840 [ 127.890002] ? lock_release+0xd70/0xd70 [ 127.890280] ? install_new_memslots+0x420/0x420 [ 127.890613] ? avc_has_extended_perms+0x7fa/0x12c0 [ 127.890951] ? unwind_get_return_address+0x61/0xa0 [ 127.891306] ? avc_ss_reset+0x110/0x110 [ 127.891582] ? putname+0xee/0x130 [ 127.891823] ? save_stack+0xa3/0xd0 [ 127.892076] ? save_stack_trace+0x16/0x20 [ 127.892361] ? save_stack+0x43/0xd0 [ 127.892612] ? kasan_slab_free+0x71/0xc0 [ 127.892891] ? kmem_cache_free+0x77/0x280 [ 127.893176] ? putname+0xee/0x130 [ 127.893414] ? do_sys_open+0x31b/0x6d0 [ 127.893685] ? __lock_is_held+0xbc/0x140 [ 127.893976] ? check_same_owner+0x320/0x320 [ 127.894279] ? rcu_note_context_switch+0x710/0x710 [ 127.894626] ? install_new_memslots+0x420/0x420 [ 127.894945] do_vfs_ioctl+0x1b1/0x1530 [ 127.895215] ? _cond_resched+0x14/0x30 [ 127.895491] ? ioctl_preallocate+0x2b0/0x2b0 [ 127.895798] ? selinux_capable+0x40/0x40 [ 127.896081] ? putname+0xf3/0x130 [ 127.896334] ? security_file_ioctl+0x7d/0xb0 [ 127.896638] ? security_file_ioctl+0x89/0xb0 [ 127.896945] SyS_ioctl+0x8f/0xc0 [ 127.897184] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 127.897511] RIP: 0033:0x435369 [ 127.897732] RSP: 002b:00007ffda9037278 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 127.898259] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 127.898753] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002f3 [ 127.899245] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 127.899743] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 127.900233] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 128.015985] syzkaller844047 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 128.016902] syzkaller844047 cpuset=/ mems_allowed=0-1 [ 128.017294] CPU: 1 PID: 3035 Comm: syzkaller844047 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 128.017850] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 128.018401] Call Trace: [ 128.018616] dump_stack+0x194/0x257 [ 128.018900] ? arch_local_irq_restore+0x53/0x53 [ 128.019234] ? check_noncircular+0x20/0x20 [ 128.019542] dump_header+0x234/0xa0e [ 128.019822] ? pagefault_out_of_memory+0x152/0x152 [ 128.020199] ? lock_acquire+0x1d5/0x580 [ 128.020498] ? ___ratelimit+0x152/0x630 [ 128.020805] ? do_raw_spin_trylock+0x190/0x190 [ 128.021140] ? mark_held_locks+0xb2/0x100 [ 128.021417] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 128.021756] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 128.022080] ? trace_hardirqs_on+0xd/0x10 [ 128.022357] ? ___ratelimit+0x95/0x630 [ 128.022616] ? idr_get_free+0xff0/0xff0 [ 128.022879] ? lock_downgrade+0x990/0x990 [ 128.023156] ? cred_has_capability+0x1a0/0x3d0 [ 128.023466] oom_kill_process+0x86d/0x13d0 [ 128.023748] ? lock_release+0xd70/0xd70 [ 128.024018] ? oom_evaluate_task+0x480/0x480 [ 128.024310] ? security_capable_noaudit+0x8b/0xc0 [ 128.024635] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 128.024969] ? check_noncircular+0x20/0x20 [ 128.025248] ? has_capability+0x30/0x30 [ 128.025520] ? has_capability_noaudit+0x24/0x30 [ 128.025829] ? oom_badness+0xdf/0xb80 [ 128.026086] ? find_held_lock+0x39/0x1d0 [ 128.026364] ? lock_downgrade+0x990/0x990 [ 128.026643] ? out_of_memory+0x921/0x11d0 [ 128.026920] ? oom_reaper+0x4d0/0x4d0 [ 128.027175] ? lock_release+0xd70/0xd70 [ 128.027441] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 128.027778] ? oom_evaluate_task+0x284/0x480 [ 128.028073] out_of_memory+0x7dd/0x11d0 [ 128.028345] ? oom_killer_disable+0x310/0x310 [ 128.028641] ? mutex_trylock+0x23a/0x2d0 [ 128.028912] ? rcu_pm_notify+0xc0/0xc0 [ 128.029170] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 128.029538] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 128.029892] ? warn_alloc+0x2f0/0x2f0 [ 128.030146] ? do_sys_open+0x2e7/0x6d0 [ 128.030407] ? warn_alloc+0x2f0/0x2f0 [ 128.030662] ? save_stack_trace+0x16/0x20 [ 128.030961] ? check_noncircular+0x20/0x20 [ 128.031291] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 128.031656] ? lru_cache_add+0x1c7/0x3a0 [ 128.031927] ? lru_cache_add_file+0x20/0x20 [ 128.032240] ? find_held_lock+0x39/0x1d0 [ 128.032528] ? check_same_owner+0x320/0x320 [ 128.032811] ? __might_sleep+0x95/0x190 [ 128.033119] __alloc_pages_nodemask+0x9f7/0xd80 [ 128.033444] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 128.033774] ? __alloc_pages_nodemask+0xae5/0xd80 [ 128.034095] ? find_held_lock+0x39/0x1d0 [ 128.034367] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 128.034716] ? cache_grow_begin+0x31b/0x400 [ 128.035008] cache_grow_begin+0x86/0x400 [ 128.035285] fallback_alloc+0x150/0x2b0 [ 128.035556] ____cache_alloc_node+0x1cf/0x1e0 [ 128.035858] kmem_cache_alloc+0x287/0x760 [ 128.036142] getname_flags+0xcb/0x580 [ 128.036395] ? do_page_fault+0x70/0x70 [ 128.037191] getname+0x19/0x20 [ 128.037413] do_sys_open+0x2e7/0x6d0 [ 128.037671] ? filp_open+0x70/0x70 [ 128.037917] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 128.038262] SyS_openat+0x30/0x40 [ 128.038503] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 128.038825] RIP: 0033:0x435369 [ 128.039059] RSP: 002b:00007ffda9037278 EFLAGS: 00000217 ORIG_RAX: 0000000000000101 [ 128.039613] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 128.040115] RDX: 0000000000000000 RSI: 0000000020000ff7 RDI: ffffffffffffff9c [ 128.040630] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 128.041133] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000000 [ 128.041644] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 128.042203] Mem-Info: [ 128.042426] active_anon:2766 inactive_anon:43 isolated_anon:0 [ 128.042426] active_file:26 inactive_file:25 isolated_file:0 [ 128.042426] unevictable:0 dirty:0 writeback:0 unstable:0 [ 128.042426] slab_reclaimable:53740 slab_unreclaimable:329633 [ 128.042426] mapped:1 shmem:76 pagetables:256 bounce:0 [ 128.042426] free:18123 free_pcp:288 free_cma:0 [ 128.044849] Node 0 active_anon:3220kB inactive_anon:80kB active_file:64kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 128.046639] Node 1 active_anon:7844kB inactive_anon:92kB active_file:40kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:184kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 128.048402] Node 0 DMA free:4164kB min:640kB low:800kB high:960kB active_anon:68kB 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 [ 128.050156] lowmem_reserve[]: 0 886 886 886 [ 128.050470] Node 0 DMA32 free:38212kB min:36536kB low:45668kB high:54800kB active_anon:3152kB inactive_anon:80kB active_file:64kB inactive_file:64kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1472kB pagetables:500kB bounce:0kB free_pcp:912kB local_pcp:76kB free_cma:0kB [ 128.052369] lowmem_reserve[]: 0 0 0 0 [ 128.052651] Node 1 DMA32 free:30116kB min:30404kB low:38004kB high:45604kB active_anon:7844kB inactive_anon:92kB active_file:40kB inactive_file:36kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2336kB pagetables:524kB bounce:0kB free_pcp:240kB local_pcp:0kB free_cma:0kB [ 128.054576] lowmem_reserve[]: 0 0 0 0 [ 128.054855] Node 0 DMA: 7*4kB (UME) 1*8kB (E) 2*16kB (UM) 2*32kB (ME) 1*64kB (U) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4164kB [ 128.060282] Node 0 DMA32: 324*4kB (UMEH) 331*8kB (UMH) 270*16kB (UMEH) 137*32kB (UMEH) 60*64kB (UM) 13*128kB (UME) 2*256kB (ME) 2*512kB (UM) 3*1024kB (UME) 2*2048kB (UM) 3*4096kB (M) = 39144kB [ 128.062068] Node 1 DMA32: 310*4kB (UM) 729*8kB (UMEH) 438*16kB (UMEH) 88*32kB (UME) 59*64kB (UM) 20*128kB (UME) 8*256kB (UME) 2*512kB (UE) 4*1024kB (UME) 0*2048kB 0*4096kB = 30400kB [ 128.063466] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 128.064052] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 128.064777] 172 total pagecache pages [ 128.065072] 0 pages in swap cache [ 128.065373] Swap cache stats: add 0, delete 0, find 0/0 [ 128.065737] Free swap = 0kB [ 128.065999] Total swap = 0kB [ 128.066227] 524186 pages RAM [ 128.066488] 0 pages HighMem/MovableOnly [ 128.066757] 103968 pages reserved [ 128.067067] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 128.067664] [ 1509] 0 1509 7085 1854 19 3 0 -1000 udevd [ 128.068523] [ 2911] 0 2911 14245 161 23 3 0 0 rsyslogd [ 128.069151] [ 2950] 0 2950 4725 48 15 3 0 0 cron [ 128.069907] [ 2970] 0 2970 12490 152 28 3 0 -1000 sshd [ 128.070500] [ 3000] 0 3000 3694 38 13 3 0 0 getty [ 128.071280] [ 3001] 0 3001 3694 40 13 3 0 0 getty [ 128.071958] [ 3002] 0 3002 3694 41 13 3 0 0 getty [ 128.072636] [ 3003] 0 3003 3694 41 13 3 0 0 getty [ 128.073470] [ 3004] 0 3004 3694 41 12 4 0 0 getty [ 128.074191] [ 3005] 0 3005 3694 40 13 3 0 0 getty [ 128.075039] [ 3006] 0 3006 3649 41 13 3 0 0 getty [ 128.075739] [ 3009] 0 3009 5332 134 15 3 0 -1000 udevd [ 128.076682] [ 3010] 0 3010 5332 134 15 3 0 -1000 udevd [ 128.077334] [ 3034] 0 3034 4366 11 5 2 0 0 syzkaller844047 [ 128.078120] [ 3035] 0 3035 4366 11 5 2 0 0 syzkaller844047 [ 128.079104] [ 3038] 0 3038 4366 11 5 2 0 0 syzkaller844047 [ 128.080322] [ 3039] 0 3039 4366 11 5 2 0 0 syzkaller844047 [ 128.081117] [ 3040] 0 3040 4366 11 5 2 0 0 syzkaller844047 [ 128.081827] Out of memory: Kill process 2911 (rsyslogd) score 0 or sacrifice child [ 128.082516] Killed process 2911 (rsyslogd) total-vm:56980kB, anon-rss:644kB, file-rss:0kB, shmem-rss:0kB [ 128.082696] rs:main Q:Reg (2914) used greatest stack depth: 13184 bytes left [ 128.085390] oom_reaper: reaped process 2911 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB Connection to localhost closed by remote host. [ 128.283540] sshd (3030) used greatest stack depth: 9000 bytes left