executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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: [ 30.180954] hrtimer: interrupt took 3996474 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 34.507189] syzkaller024466: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 34.509038] syzkaller024466 cpuset=/ mems_allowed=0-1 [ 34.509944] CPU: 0 PID: 3093 Comm: syzkaller024466 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 34.511326] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 34.512532] Call Trace: [ 34.512939] dump_stack+0x194/0x257 [ 34.513590] ? arch_local_irq_restore+0x53/0x53 [ 34.514289] ? flush_work+0x621/0x930 [ 34.514873] warn_alloc+0x1c2/0x2f0 [ 34.515521] ? zone_watermark_ok_safe+0x430/0x430 [ 34.516494] ? mutex_unlock+0xd/0x10 [ 34.517586] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 34.519187] ? warn_alloc+0x2f0/0x2f0 [ 34.519912] ? SyS_ioctl+0x8f/0xc0 [ 34.526127] ? warn_alloc+0x2f0/0x2f0 [ 34.526697] ? save_stack_trace+0x16/0x20 [ 34.533074] ? check_noncircular+0x20/0x20 [ 34.534152] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 34.535549] ? find_held_lock+0x39/0x1d0 [ 34.536712] ? lock_downgrade+0x990/0x990 [ 34.537856] ? check_same_owner+0x320/0x320 [ 34.539095] ? rcu_note_context_switch+0x710/0x710 [ 34.540463] ? check_noncircular+0x20/0x20 [ 34.541589] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 34.543474] ? __might_sleep+0x95/0x190 [ 34.556330] __alloc_pages_nodemask+0x9f7/0xd80 [ 34.556732] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 34.557146] ? __alloc_pages_nodemask+0xae5/0xd80 [ 34.557555] ? find_held_lock+0x39/0x1d0 [ 34.557899] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 34.558331] ? cache_grow_begin+0x31b/0x400 [ 34.558691] cache_grow_begin+0x86/0x400 [ 34.559032] fallback_alloc+0x150/0x2b0 [ 34.561830] ____cache_alloc_node+0x1cf/0x1e0 [ 34.562204] kmem_cache_alloc_trace+0x27d/0x750 [ 34.562588] ? lock_downgrade+0x990/0x990 [ 34.564822] kvm_dev_ioctl+0x216/0x1840 [ 34.565116] ? lock_release+0xd70/0xd70 [ 34.565398] ? install_new_memslots+0x420/0x420 [ 34.565795] ? avc_has_extended_perms+0x7fa/0x12c0 [ 34.566207] ? unwind_get_return_address+0x61/0xa0 [ 34.566576] ? avc_ss_reset+0x110/0x110 [ 34.571419] ? putname+0xee/0x130 [ 34.571734] ? save_stack+0xa3/0xd0 [ 34.572089] ? save_stack_trace+0x16/0x20 [ 34.572494] ? save_stack+0x43/0xd0 [ 34.572853] ? kasan_slab_free+0x71/0xc0 [ 34.573258] ? kmem_cache_free+0x77/0x280 [ 34.573928] ? putname+0xee/0x130 [ 34.574534] ? do_sys_open+0x31b/0x6d0 [ 34.574957] ? __lock_is_held+0xbc/0x140 [ 34.575352] ? check_same_owner+0x320/0x320 [ 34.575747] ? rcu_note_context_switch+0x710/0x710 [ 34.576235] ? install_new_memslots+0x420/0x420 [ 34.576686] do_vfs_ioctl+0x1b1/0x1530 [ 34.581158] ? _cond_resched+0x14/0x30 [ 34.581685] ? ioctl_preallocate+0x2b0/0x2b0 [ 34.582226] ? selinux_capable+0x40/0x40 [ 34.582742] ? putname+0xf3/0x130 [ 34.583135] ? security_file_ioctl+0x7d/0xb0 [ 34.583683] ? security_file_ioctl+0x89/0xb0 [ 34.585928] SyS_ioctl+0x8f/0xc0 [ 34.586246] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 34.586702] RIP: 0033:0x4353a9 [ 34.587014] RSP: 002b:00007ffd56053e38 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 34.603219] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00000000004353a9 [ 34.603931] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002f5 [ 34.604531] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 34.605130] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 34.605723] R13: 0000000000401840 R14: 00000000004018d0 R15: 0000000000000000 [ 34.606577] Mem-Info: [ 34.607574] active_anon:4158 inactive_anon:42 isolated_anon:0 [ 34.607574] active_file:37 inactive_file:53 isolated_file:7 [ 34.607574] unevictable:0 dirty:0 writeback:0 unstable:0 [ 34.607574] slab_reclaimable:53363 slab_unreclaimable:329165 [ 34.607574] mapped:18 shmem:76 pagetables:312 bounce:0 [ 34.607574] free:17628 free_pcp:136 free_cma:0 [ 34.611352] Node 0 active_anon:12508kB inactive_anon:76kB active_file:8kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:180kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 34.614263] Node 1 active_anon:4124kB inactive_anon:92kB active_file:136kB inactive_file:208kB unevictable:0kB isolated(anon):0kB isolated(file):28kB mapped:68kB dirty:0kB writeback:0kB shmem:124kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 34.632131] Node 0 DMA free:4164kB min:640kB low:800kB high:960kB active_anon:20kB 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 [ 34.633908] lowmem_reserve[]: 0 886 886 886 [ 34.634253] Node 0 DMA32 free:36416kB min:36536kB low:45668kB high:54800kB active_anon:12488kB inactive_anon:76kB active_file:8kB inactive_file:8kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2336kB pagetables:500kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 34.636216] lowmem_reserve[]: 0 0 0 0 [ 34.636569] Node 1 DMA32 free:29932kB min:30404kB low:38004kB high:45604kB active_anon:4124kB inactive_anon:92kB active_file:352kB inactive_file:604kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1664kB pagetables:748kB bounce:0kB free_pcp:484kB local_pcp:0kB free_cma:0kB [ 34.638945] lowmem_reserve[]: 0 0 0 0 [ 34.639460] Node 0 DMA: 7*4kB (UME) 3*8kB (UM) 1*16kB (M) 2*32kB (UE) 1*64kB (M) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4164kB [ 34.641354] Node 0 DMA32: 290*4kB (ME) 219*8kB (UME) 120*16kB (UME) 53*32kB (UME) 53*64kB (UM) 27*128kB (UM) 8*256kB (UME) 1*512kB (E) 0*1024kB 4*2048kB (UME) 3*4096kB (M) = 36416kB [ 34.643126] Node 1 DMA32: 293*4kB (UME) 242*8kB (M) 571*16kB (UME) 222*32kB (UME) 83*64kB (UME) 12*128kB (ME) 8*256kB (UME) 2*512kB (UM) 1*1024kB (E) 0*2048kB 0*4096kB = 30292kB [ 34.644845] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 34.645674] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 34.647280] 190 total pagecache pages [ 34.647640] 0 pages in swap cache [ 34.648043] Swap cache stats: add 0, delete 0, find 0/0 [ 34.648543] Free swap = 0kB [ 34.648826] Total swap = 0kB [ 34.649179] 524186 pages RAM [ 34.649466] 0 pages HighMem/MovableOnly [ 34.649841] 103968 pages reserved [ 34.702231] syzkaller024466: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 34.704282] syzkaller024466 cpuset=/ mems_allowed=0-1 [ 34.705202] CPU: 2 PID: 3089 Comm: syzkaller024466 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 34.706553] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 34.708118] Call Trace: [ 34.708939] dump_stack+0x194/0x257 [ 34.710316] ? arch_local_irq_restore+0x53/0x53 [ 34.712070] ? isolate_lru_page+0x11d0/0x11d0 [ 34.716259] warn_alloc+0x1c2/0x2f0 [ 34.717353] ? zone_watermark_ok_safe+0x430/0x430 [ 34.719500] ? rcu_note_context_switch+0x710/0x710 [ 34.721325] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 34.723311] ? warn_alloc+0x2f0/0x2f0 [ 34.725227] ? SyS_ioctl+0x8f/0xc0 [ 34.726707] ? warn_alloc+0x2f0/0x2f0 [ 34.729860] ? save_stack_trace+0x16/0x20 [ 34.732248] ? check_noncircular+0x20/0x20 [ 34.734409] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 34.738132] ? find_held_lock+0x39/0x1d0 [ 34.747069] ? lock_downgrade+0x990/0x990 [ 34.747749] ? check_same_owner+0x320/0x320 [ 34.748426] ? rcu_note_context_switch+0x710/0x710 [ 34.749179] ? check_noncircular+0x20/0x20 [ 34.749829] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 34.754615] ? __might_sleep+0x95/0x190 [ 34.763680] __alloc_pages_nodemask+0x9f7/0xd80 [ 34.764412] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 34.765260] ? __alloc_pages_nodemask+0xae5/0xd80 [ 34.766022] ? find_held_lock+0x39/0x1d0 [ 34.766652] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 34.767461] ? cache_grow_begin+0x31b/0x400 [ 34.768161] cache_grow_begin+0x86/0x400 [ 34.779242] fallback_alloc+0x150/0x2b0 [ 34.781061] ____cache_alloc_node+0x1cf/0x1e0 [ 34.781752] kmem_cache_alloc_trace+0x27d/0x750 [ 34.782479] ? lock_downgrade+0x990/0x990 [ 34.783136] kvm_dev_ioctl+0x216/0x1840 [ 34.783754] ? lock_release+0xd70/0xd70 [ 34.784378] ? install_new_memslots+0x420/0x420 [ 34.785134] ? avc_has_extended_perms+0x7fa/0x12c0 [ 34.785897] ? unwind_get_return_address+0x61/0xa0 [ 34.786654] ? avc_ss_reset+0x110/0x110 [ 34.792394] ? putname+0xee/0x130 [ 34.793485] ? save_stack+0xa3/0xd0 [ 34.795022] ? save_stack_trace+0x16/0x20 [ 34.796242] ? save_stack+0x43/0xd0 [ 34.797370] ? kasan_slab_free+0x71/0xc0 [ 34.802699] ? kmem_cache_free+0x77/0x280 [ 34.803411] ? putname+0xee/0x130 [ 34.805822] ? do_sys_open+0x31b/0x6d0 [ 34.806592] ? __lock_is_held+0xbc/0x140 [ 34.807329] ? check_same_owner+0x320/0x320 [ 34.809114] ? rcu_note_context_switch+0x710/0x710 [ 34.810665] ? install_new_memslots+0x420/0x420 [ 34.811987] do_vfs_ioctl+0x1b1/0x1530 [ 34.813123] ? _cond_resched+0x14/0x30 [ 34.814718] ? ioctl_preallocate+0x2b0/0x2b0 [ 34.816067] ? selinux_capable+0x40/0x40 [ 34.817698] ? putname+0xf3/0x130 [ 34.819125] ? security_file_ioctl+0x7d/0xb0 [ 34.823050] ? security_file_ioctl+0x89/0xb0 [ 34.824649] SyS_ioctl+0x8f/0xc0 [ 34.825749] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 34.827074] RIP: 0033:0x4353a9 [ 34.828029] RSP: 002b:00007ffd56053e38 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 34.830213] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00000000004353a9 [ 34.832335] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002cf [ 34.834556] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 34.836657] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 34.838818] R13: 0000000000401840 R14: 00000000004018d0 R15: 0000000000000000 [ 34.974142] udevd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 34.989091] udevd cpuset=/ mems_allowed=0-1 [ 34.989688] CPU: 1 PID: 1525 Comm: udevd Not tainted 4.13.0-rc6-next-20170823+ #7 [ 34.990449] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 34.991092] Call Trace: [ 34.991296] dump_stack+0x194/0x257 [ 34.991620] ? arch_local_irq_restore+0x53/0x53 [ 34.993395] ? check_noncircular+0x20/0x20 [ 34.994089] dump_header+0x234/0xa0e [ 34.994730] ? pagefault_out_of_memory+0x152/0x152 [ 34.995614] ? lock_acquire+0x1d5/0x580 [ 34.996276] ? ___ratelimit+0x152/0x630 [ 34.996815] ? do_raw_spin_trylock+0x190/0x190 [ 34.997457] ? mark_held_locks+0xb2/0x100 [ 34.998168] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 34.999030] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.999905] ? trace_hardirqs_on+0xd/0x10 [ 35.000617] ? ___ratelimit+0x95/0x630 [ 35.001297] ? idr_get_free+0xff0/0xff0 [ 35.001938] oom_kill_process+0x86d/0x13d0 [ 35.002684] ? lock_downgrade+0x990/0x990 [ 35.019436] ? oom_evaluate_task+0x480/0x480 [ 35.019750] ? find_lock_task_mm+0x23b/0x460 [ 35.020056] ? do_raw_spin_trylock+0x190/0x190 [ 35.020371] ? task_will_free_mem+0xaa0/0xaa0 [ 35.020680] ? check_noncircular+0x20/0x20 [ 35.020977] ? lock_downgrade+0x990/0x990 [ 35.021269] ? _raw_spin_unlock+0x22/0x30 [ 35.021555] ? oom_badness+0xdf/0xb80 [ 35.021826] ? find_held_lock+0x39/0x1d0 [ 35.022136] ? lock_downgrade+0x990/0x990 [ 35.022492] ? oom_unkillable_task+0x33d/0x4c0 [ 35.022770] ? out_of_memory+0x851/0x11d0 [ 35.023004] ? oom_reaper+0x4d0/0x4d0 [ 35.023270] ? lock_release+0xd70/0xd70 [ 35.023496] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 35.023792] ? oom_evaluate_task+0x284/0x480 [ 35.024101] out_of_memory+0x7dd/0x11d0 [ 35.024359] ? oom_killer_disable+0x310/0x310 [ 35.024609] ? mutex_trylock+0x23a/0x2d0 [ 35.024837] ? __lock_is_held+0xbc/0x140 [ 35.025083] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 35.025411] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 35.025718] ? warn_alloc+0x2f0/0x2f0 [ 35.025997] ? find_get_pages_tag+0xf40/0xf40 [ 35.026479] ? radix_tree_lookup_slot+0x99/0xe0 [ 35.026889] ? check_noncircular+0x20/0x20 [ 35.027437] ? find_get_entry+0x53c/0x9e0 [ 35.027808] ? lock_downgrade+0x990/0x990 [ 35.028212] ? find_held_lock+0x39/0x1d0 [ 35.028610] ? check_same_owner+0x320/0x320 [ 35.028992] ? __page_cache_alloc+0x165/0x4d0 [ 35.029461] ? __might_sleep+0x95/0x190 [ 35.029808] __alloc_pages_nodemask+0x9f7/0xd80 [ 35.030284] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 35.030731] ? add_to_page_cache_lru+0x510/0x510 [ 35.031278] ? find_held_lock+0x39/0x1d0 [ 35.031657] alloc_pages_current+0xb6/0x1e0 [ 35.032079] __page_cache_alloc+0x358/0x4d0 [ 35.032500] ? rcu_read_lock_held+0xa9/0xc0 [ 35.032909] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 35.033627] filemap_fault+0xf32/0x1d30 [ 35.034034] ? __lock_page_or_retry+0x500/0x500 [ 35.034496] ? filemap_map_pages+0x942/0x15d0 [ 35.048547] ? find_get_entries_tag+0xeb0/0xeb0 [ 35.049234] ? __lock_acquire+0x732/0x4620 [ 35.049816] ? check_noncircular+0x20/0x20 [ 35.059519] ? mark_held_locks+0xb2/0x100 [ 35.059976] ? check_noncircular+0x20/0x20 [ 35.060460] ? check_noncircular+0x20/0x20 [ 35.060922] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 35.061496] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 35.062040] ? lock_acquire+0x1d5/0x580 [ 35.062498] ? ext4_filemap_fault+0x7d/0xb0 [ 35.062960] ? lock_release+0xd70/0xd70 [ 35.063383] ? check_same_owner+0x320/0x320 [ 35.063823] ? rcu_note_context_switch+0x710/0x710 [ 35.064300] ? find_held_lock+0x39/0x1d0 [ 35.065134] ? __might_sleep+0x95/0x190 [ 35.066122] ? down_read+0x96/0x150 [ 35.067077] ? ext4_filemap_fault+0x7d/0xb0 [ 35.068479] ? __down_interruptible+0x6a0/0x6a0 [ 35.068989] ext4_filemap_fault+0x85/0xb0 [ 35.070009] __do_fault+0xeb/0x30f [ 35.070487] ? pte_offset_kernel+0xc7/0xc7 [ 35.070923] ? unwind_dump+0x4c0/0x4c0 [ 35.071889] ? check_noncircular+0x20/0x20 [ 35.072885] __handle_mm_fault+0x1b98/0x39e0 [ 35.073899] ? __pmd_alloc+0x4e0/0x4e0 [ 35.075305] ? lock_downgrade+0x990/0x990 [ 35.075812] ? find_held_lock+0x39/0x1d0 [ 35.078290] ? __lock_is_held+0xbc/0x140 [ 35.079324] handle_mm_fault+0x3bb/0x860 [ 35.080337] ? down_read_trylock+0xdb/0x170 [ 35.081371] ? __handle_mm_fault+0x39e0/0x39e0 [ 35.081847] ? vmacache_find+0x61/0x270 [ 35.083350] ? find_vma+0x30/0x150 [ 35.083746] __do_page_fault+0x4f6/0xb60 [ 35.085246] trace_do_page_fault+0x141/0x730 [ 35.085718] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.087307] ? do_page_fault+0x70/0x70 [ 35.087726] ? putname+0xf3/0x130 [ 35.088072] ? do_sys_open+0x320/0x6d0 [ 35.089627] ? retint_user+0x18/0x23 [ 35.090552] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.091696] do_async_page_fault+0x72/0xc0 [ 35.092102] async_page_fault+0x22/0x30 [ 35.093637] RIP: 0033:0x7fc8582d4761 [ 35.093974] RSP: 002b:00007ffd10822d10 EFLAGS: 00010207 [ 35.095563] RAX: 000000000000000b RBX: 000000000195a6b0 RCX: 00007fc858334120 [ 35.097354] RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00007ffd10822de0 [ 35.100125] RBP: 00007ffd10822d80 R08: 0000000000000008 R09: 0000000000000001 [ 35.101805] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 [ 35.102363] R13: 000000000041f57a R14: 00000000017ebc00 R15: 00000000017e6030 [ 35.104088] Mem-Info: [ 35.104620] active_anon:4156 inactive_anon:42 isolated_anon:0 [ 35.104620] active_file:30 inactive_file:27 isolated_file:60 [ 35.104620] unevictable:0 dirty:0 writeback:0 unstable:0 [ 35.104620] slab_reclaimable:53379 slab_unreclaimable:329054 [ 35.104620] mapped:21 shmem:76 pagetables:309 bounce:0 [ 35.104620] free:17637 free_pcp:178 free_cma:0 [ 35.111553] Node 0 active_anon:12508kB inactive_anon:76kB active_file:8kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:180kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 35.122621] Node 1 active_anon:4116kB inactive_anon:92kB active_file:112kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):240kB mapped:80kB dirty:0kB writeback:0kB shmem:124kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 35.128152] Node 0 DMA free:4164kB min:640kB low:800kB high:960kB active_anon:20kB 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 [ 35.134204] lowmem_reserve[]: 0 886 886 886 [ 35.134872] Node 0 DMA32 free:36472kB min:36536kB low:45668kB high:54800kB active_anon:12488kB inactive_anon:76kB active_file:8kB inactive_file:8kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2336kB pagetables:500kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 35.142691] lowmem_reserve[]: 0 0 0 0 [ 35.143114] Node 1 DMA32 free:29912kB min:30404kB low:38004kB high:45604kB active_anon:4116kB inactive_anon:92kB active_file:124kB inactive_file:384kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1664kB pagetables:736kB bounce:0kB free_pcp:592kB local_pcp:0kB free_cma:0kB [ 35.153470] lowmem_reserve[]: 0 0 0 0 [ 35.153925] Node 0 DMA: 7*4kB (UME) 3*8kB (UM) 1*16kB (M) 2*32kB (UE) 1*64kB (M) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4164kB [ 35.155441] Node 0 DMA32: 297*4kB (UME) 225*8kB (UME) 121*16kB (UME) 53*32kB (UME) 53*64kB (UM) 27*128kB (UM) 8*256kB (UME) 1*512kB (E) 0*1024kB 4*2048kB (UME) 3*4096kB (M) = 36508kB [ 35.158435] Node 1 DMA32: 215*4kB (UME) 259*8kB (UM) 574*16kB (UM) 217*32kB (UM) 85*64kB (UME) 13*128kB (ME) 8*256kB (UME) 2*512kB (UM) 1*1024kB (E) 0*2048kB 0*4096kB = 30260kB [ 35.161125] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 35.163927] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 35.165375] 185 total pagecache pages [ 35.165959] 0 pages in swap cache [ 35.166468] Swap cache stats: add 0, delete 0, find 0/0 [ 35.167289] Free swap = 0kB [ 35.167717] Total swap = 0kB [ 35.168233] 524186 pages RAM [ 35.168659] 0 pages HighMem/MovableOnly [ 35.169323] 103968 pages reserved [ 35.170115] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 35.172282] [ 1525] 0 1525 7116 1913 19 3 0 -1000 udevd [ 35.173609] [ 2830] 0 2830 5381 178 15 3 0 -1000 udevd [ 35.175032] [ 2846] 0 2846 2493 574 9 3 0 0 dhclient [ 35.176396] [ 2974] 0 2974 14262 110 22 3 0 0 rsyslogd [ 35.178065] [ 3011] 0 3011 4725 48 15 3 0 0 cron [ 35.179523] [ 3037] 0 3037 12490 153 28 3 0 -1000 sshd [ 35.181128] [ 3061] 0 3061 3694 41 13 3 0 0 getty [ 35.182419] [ 3062] 0 3062 3694 38 12 3 0 0 getty [ 35.184538] [ 3063] 0 3063 3694 41 13 3 0 0 getty [ 35.186037] [ 3064] 0 3064 3694 41 13 3 0 0 getty [ 35.187503] [ 3065] 0 3065 3694 39 13 3 0 0 getty [ 35.188961] [ 3066] 0 3066 3694 41 12 3 0 0 getty [ 35.190407] [ 3067] 0 3067 3649 39 13 3 0 0 getty [ 35.191888] [ 3068] 0 3068 5381 178 15 3 0 -1000 udevd [ 35.193394] [ 3085] 0 3085 17820 196 40 4 0 0 sshd [ 35.194775] [ 3088] 0 3088 271 1 4 2 0 0 syzkaller024466 [ 35.196631] [ 3089] 0 3089 4366 16 4 2 0 0 syzkaller024466 [ 35.198197] [ 3090] 0 3090 4366 13 4 2 0 0 syzkaller024466 [ 35.199754] [ 3091] 0 3091 4366 524 5 2 0 0 syzkaller024466 [ 35.201444] [ 3092] 0 3092 4366 12 5 2 0 0 syzkaller024466 [ 35.202933] [ 3093] 0 3093 4366 16 4 2 0 0 syzkaller024466 [ 35.205136] [ 3094] 0 3094 4366 12 5 2 0 0 syzkaller024466 [ 35.208105] [ 3095] 0 3095 4366 13 4 2 0 0 syzkaller024466 [ 35.209574] [ 3096] 0 3096 4366 12 5 2 0 0 syzkaller024466 [ 35.210944] [ 3100] 0 3100 100 1 5 3 0 -1000 modprobe [ 35.212286] Out of memory: Kill process 2846 (dhclient) score 1 or sacrifice child [ 35.213875] Killed process 2846 (dhclient) total-vm:9972kB, anon-rss:2296kB, file-rss:0kB, shmem-rss:0kB [ 35.229454] oom_reaper: reaped process 2846 (dhclient), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 36.251094] syzkaller024466: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 36.252819] syzkaller024466 cpuset=/ mems_allowed=0-1 [ 36.253562] CPU: 1 PID: 3090 Comm: syzkaller024466 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 36.254698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 36.255867] Call Trace: [ 36.256246] dump_stack+0x194/0x257 [ 36.256738] ? arch_local_irq_restore+0x53/0x53 [ 36.257986] ? flush_work+0x621/0x930 [ 36.258514] warn_alloc+0x1c2/0x2f0 [ 36.263192] ? zone_watermark_ok_safe+0x430/0x430 [ 36.263862] ? mutex_unlock+0xd/0x10 [ 36.264427] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 36.265140] ? warn_alloc+0x2f0/0x2f0 [ 36.265656] ? SyS_ioctl+0x8f/0xc0 [ 36.266145] ? warn_alloc+0x2f0/0x2f0 [ 36.266661] ? save_stack_trace+0x16/0x20 [ 36.267236] ? check_noncircular+0x20/0x20 [ 36.267814] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 36.268525] ? find_held_lock+0x39/0x1d0 [ 36.269215] ? lock_downgrade+0x990/0x990 [ 36.279875] ? check_same_owner+0x320/0x320 [ 36.280302] ? rcu_note_context_switch+0x710/0x710 [ 36.280642] ? check_noncircular+0x20/0x20 [ 36.280935] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 36.281397] ? __might_sleep+0x95/0x190 [ 36.281676] __alloc_pages_nodemask+0x9f7/0xd80 [ 36.282006] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 36.282350] ? __alloc_pages_nodemask+0xae5/0xd80 [ 36.282683] ? find_held_lock+0x39/0x1d0 [ 36.282967] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 36.283340] ? cache_grow_begin+0x31b/0x400 [ 36.283650] cache_grow_begin+0x86/0x400 [ 36.283949] fallback_alloc+0x150/0x2b0 [ 36.284255] ____cache_alloc_node+0x1cf/0x1e0 [ 36.284571] kmem_cache_alloc_trace+0x27d/0x750 [ 36.284911] ? lock_downgrade+0x990/0x990 [ 36.285216] kvm_dev_ioctl+0x216/0x1840 [ 36.285512] ? lock_release+0xd70/0xd70 [ 36.285798] ? install_new_memslots+0x420/0x420 [ 36.286144] ? avc_has_extended_perms+0x7fa/0x12c0 [ 36.286485] ? unwind_get_return_address+0x61/0xa0 [ 36.286838] ? avc_ss_reset+0x110/0x110 [ 36.287313] ? putname+0xee/0x130 [ 36.287783] ? save_stack+0xa3/0xd0 [ 36.289314] ? save_stack_trace+0x16/0x20 [ 36.289871] ? save_stack+0x43/0xd0 [ 36.290383] ? kasan_slab_free+0x71/0xc0 [ 36.290925] ? kmem_cache_free+0x77/0x280 [ 36.291512] ? putname+0xee/0x130 [ 36.291978] ? do_sys_open+0x31b/0x6d0 [ 36.295561] ? __lock_is_held+0xbc/0x140 [ 36.297172] ? check_same_owner+0x320/0x320 [ 36.297757] ? rcu_note_context_switch+0x710/0x710 [ 36.298445] ? install_new_memslots+0x420/0x420 [ 36.299098] do_vfs_ioctl+0x1b1/0x1530 [ 36.299620] ? _cond_resched+0x14/0x30 [ 36.301176] ? ioctl_preallocate+0x2b0/0x2b0 [ 36.301770] ? selinux_capable+0x40/0x40 [ 36.302339] ? putname+0xf3/0x130 [ 36.302819] ? security_file_ioctl+0x7d/0xb0 [ 36.303431] ? security_file_ioctl+0x89/0xb0 [ 36.305051] SyS_ioctl+0x8f/0xc0 [ 36.305518] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 36.306188] RIP: 0033:0x4353a9 [ 36.306632] RSP: 002b:00007ffd56053e38 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 36.307697] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00000000004353a9 [ 36.308744] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002c1 [ 36.310696] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 36.313153] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 36.314216] R13: 0000000000401840 R14: 00000000004018d0 R15: 0000000000000000 [ 36.316486] warn_alloc_show_mem: 1 callbacks suppressed [ 36.318227] Mem-Info: [ 36.318779] active_anon:3077 inactive_anon:42 isolated_anon:0 [ 36.318779] active_file:61 inactive_file:62 isolated_file:8 [ 36.318779] unevictable:0 dirty:2 writeback:1 unstable:0 [ 36.318779] slab_reclaimable:53596 slab_unreclaimable:329911 [ 36.318779] mapped:42 shmem:76 pagetables:304 bounce:0 [ 36.318779] free:17795 free_pcp:42 free_cma:0 [ 36.326814] Node 0 active_anon:8276kB inactive_anon:76kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:64kB dirty:0kB writeback:0kB shmem:180kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 36.333044] Node 1 active_anon:4032kB inactive_anon:92kB active_file:136kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):24kB mapped:104kB dirty:8kB writeback:4kB shmem:124kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 36.339073] Node 0 DMA free:4164kB min:640kB low:800kB high:960kB active_anon:20kB 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 [ 36.343809] lowmem_reserve[]: 0 886 886 886 [ 36.345269] Node 0 DMA32 free:36520kB min:36536kB low:45668kB high:54800kB active_anon:8256kB inactive_anon:76kB active_file:12kB inactive_file:56kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2304kB pagetables:488kB bounce:0kB free_pcp:4kB local_pcp:4kB free_cma:0kB [ 36.349677] lowmem_reserve[]: 0 0 0 0 [ 36.351088] Node 1 DMA32 free:30496kB min:30404kB low:38004kB high:45604kB active_anon:4032kB inactive_anon:92kB active_file:136kB inactive_file:320kB unevictable:0kB writepending:12kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1664kB pagetables:728kB bounce:0kB free_pcp:172kB local_pcp:0kB free_cma:0kB [ 36.357177] lowmem_reserve[]: 0 0 0 0 [ 36.357559] Node 0 DMA: 7*4kB (UME) 3*8kB (UM) 1*16kB (M) 2*32kB (UE) 1*64kB (M) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4164kB [ 36.360345] Node 0 DMA32: 354*4kB (UME) 278*8kB (UM) 172*16kB (UM) 65*32kB (UME) 60*64kB (UME) 29*128kB (M) 7*256kB (ME) 1*512kB (U) 0*1024kB 5*2048kB (UME) 2*4096kB (M) = 36760kB [ 36.362928] Node 1 DMA32: 283*4kB (UME) 451*8kB (UME) 622*16kB (UME) 233*32kB (UME) 86*64kB (UME) 11*128kB (M) 5*256kB (M) 1*512kB (E) 0*1024kB 0*2048kB 0*4096kB = 30852kB [ 36.365449] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 36.368212] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 36.368933] 158 total pagecache pages [ 36.370299] 0 pages in swap cache [ 36.370594] Swap cache stats: add 0, delete 0, find 0/0 [ 36.372115] Free swap = 0kB [ 36.372376] Total swap = 0kB [ 36.372635] 524186 pages RAM [ 36.372892] 0 pages HighMem/MovableOnly [ 36.374275] 103968 pages reserved [ 37.217836] syzkaller024466: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 37.220111] syzkaller024466 cpuset=/ mems_allowed=0-1 [ 37.220680] CPU: 0 PID: 3094 Comm: syzkaller024466 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 37.221643] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 37.222506] Call Trace: [ 37.222788] dump_stack+0x194/0x257 [ 37.223184] ? arch_local_irq_restore+0x53/0x53 [ 37.223673] ? isolate_lru_page+0x11d0/0x11d0 [ 37.224084] warn_alloc+0x1c2/0x2f0 [ 37.224411] ? zone_watermark_ok_safe+0x430/0x430 [ 37.224856] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 37.225336] ? warn_alloc+0x2f0/0x2f0 [ 37.225720] ? SyS_ioctl+0x8f/0xc0 [ 37.226117] ? warn_alloc+0x2f0/0x2f0 [ 37.226525] ? save_stack_trace+0x16/0x20 [ 37.226998] ? check_noncircular+0x20/0x20 [ 37.227475] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 37.228046] ? find_held_lock+0x39/0x1d0 [ 37.228497] ? lock_downgrade+0x990/0x990 [ 37.228979] ? check_same_owner+0x320/0x320 [ 37.229451] ? rcu_note_context_switch+0x710/0x710 [ 37.229980] ? check_noncircular+0x20/0x20 [ 37.230433] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 37.231124] ? __might_sleep+0x95/0x190 [ 37.231523] __alloc_pages_nodemask+0x9f7/0xd80 [ 37.235580] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 37.236113] ? __alloc_pages_nodemask+0xae5/0xd80 [ 37.236800] ? find_held_lock+0x39/0x1d0 [ 37.237236] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 37.237777] ? cache_grow_begin+0x31b/0x400 [ 37.238243] cache_grow_begin+0x86/0x400 [ 37.238677] fallback_alloc+0x150/0x2b0 [ 37.239112] ____cache_alloc_node+0x1cf/0x1e0 [ 37.239598] kmem_cache_alloc_trace+0x27d/0x750 [ 37.240121] ? lock_downgrade+0x990/0x990 [ 37.240572] kvm_dev_ioctl+0x216/0x1840 [ 37.240997] ? lock_release+0xd70/0xd70 [ 37.241410] ? install_new_memslots+0x420/0x420 [ 37.241921] ? avc_has_extended_perms+0x7fa/0x12c0 [ 37.242440] ? unwind_get_return_address+0x61/0xa0 [ 37.242974] ? avc_ss_reset+0x110/0x110 [ 37.243403] ? putname+0xee/0x130 [ 37.243778] ? save_stack+0xa3/0xd0 [ 37.244173] ? save_stack_trace+0x16/0x20 [ 37.244613] ? save_stack+0x43/0xd0 [ 37.244999] ? kasan_slab_free+0x71/0xc0 [ 37.245430] ? kmem_cache_free+0x77/0x280 [ 37.245864] ? putname+0xee/0x130 [ 37.246233] ? do_sys_open+0x31b/0x6d0 [ 37.246651] ? __lock_is_held+0xbc/0x140 [ 37.247107] ? check_same_owner+0x320/0x320 [ 37.247561] ? rcu_note_context_switch+0x710/0x710 [ 37.248097] ? install_new_memslots+0x420/0x420 [ 37.248591] do_vfs_ioctl+0x1b1/0x1530 [ 37.249001] ? _cond_resched+0x14/0x30 [ 37.249420] ? ioctl_preallocate+0x2b0/0x2b0 [ 37.249888] ? selinux_capable+0x40/0x40 [ 37.250320] ? putname+0xf3/0x130 [ 37.250704] ? security_file_ioctl+0x7d/0xb0 [ 37.251171] ? security_file_ioctl+0x89/0xb0 [ 37.251639] SyS_ioctl+0x8f/0xc0 [ 37.252777] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 37.253250] RIP: 0033:0x4353a9 [ 37.253625] RSP: 002b:00007ffd56053e38 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 37.254458] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00000000004353a9 [ 37.255226] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002fb [ 37.256013] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 37.256793] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 37.257577] R13: 0000000000401840 R14: 00000000004018d0 R15: 0000000000000000 [ 38.018945] syzkaller024466: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 38.020023] syzkaller024466 cpuset=/ mems_allowed=0-1 [ 38.020478] CPU: 1 PID: 3096 Comm: syzkaller024466 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 38.021179] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 38.021857] Call Trace: [ 38.022079] dump_stack+0x194/0x257 [ 38.029400] ? arch_local_irq_restore+0x53/0x53 [ 38.030077] ? isolate_lru_page+0x11d0/0x11d0 [ 38.030732] warn_alloc+0x1c2/0x2f0 [ 38.031268] ? zone_watermark_ok_safe+0x430/0x430 [ 38.031970] ? rcu_note_context_switch+0x710/0x710 [ 38.032686] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 38.033422] ? warn_alloc+0x2f0/0x2f0 [ 38.033961] ? SyS_ioctl+0x8f/0xc0 [ 38.034467] ? warn_alloc+0x2f0/0x2f0 [ 38.037804] ? save_stack_trace+0x16/0x20 [ 38.038407] ? check_noncircular+0x20/0x20 [ 38.039023] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 38.039774] ? find_held_lock+0x39/0x1d0 [ 38.040366] ? lock_downgrade+0x990/0x990 [ 38.040979] ? check_same_owner+0x320/0x320 [ 38.041608] ? rcu_note_context_switch+0x710/0x710 [ 38.042957] ? check_noncircular+0x20/0x20 [ 38.044441] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 38.045483] ? __might_sleep+0x95/0x190 [ 38.046036] __alloc_pages_nodemask+0x9f7/0xd80 [ 38.046694] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 38.047398] ? __alloc_pages_nodemask+0xae5/0xd80 [ 38.048101] ? find_held_lock+0x39/0x1d0 [ 38.048661] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 38.049367] ? cache_grow_begin+0x31b/0x400 [ 38.050077] cache_grow_begin+0x86/0x400 [ 38.050799] fallback_alloc+0x150/0x2b0 [ 38.051512] ____cache_alloc_node+0x1cf/0x1e0 [ 38.052304] kmem_cache_alloc_trace+0x27d/0x750 [ 38.053056] ? lock_downgrade+0x990/0x990 [ 38.053638] kvm_dev_ioctl+0x216/0x1840 [ 38.054201] ? lock_release+0xd70/0xd70 [ 38.054752] ? install_new_memslots+0x420/0x420 [ 38.055420] ? avc_has_extended_perms+0x7fa/0x12c0 [ 38.056113] ? unwind_get_return_address+0x61/0xa0 [ 38.056820] ? avc_ss_reset+0x110/0x110 [ 38.057369] ? putname+0xee/0x130 [ 38.057858] ? save_stack+0xa3/0xd0 [ 38.058360] ? save_stack_trace+0x16/0x20 [ 38.058942] ? save_stack+0x43/0xd0 [ 38.059456] ? kasan_slab_free+0x71/0xc0 [ 38.060087] ? kmem_cache_free+0x77/0x280 [ 38.060815] ? putname+0xee/0x130 [ 38.061415] ? do_sys_open+0x31b/0x6d0 [ 38.062106] ? __lock_is_held+0xbc/0x140 [ 38.062838] ? check_same_owner+0x320/0x320 [ 38.063582] ? rcu_note_context_switch+0x710/0x710 [ 38.064415] ? install_new_memslots+0x420/0x420 [ 38.065600] do_vfs_ioctl+0x1b1/0x1530 [ 38.066282] ? _cond_resched+0x14/0x30 [ 38.066978] ? ioctl_preallocate+0x2b0/0x2b0 [ 38.067761] ? selinux_capable+0x40/0x40 [ 38.068405] ? putname+0xf3/0x130 [ 38.068962] ? security_file_ioctl+0x7d/0xb0 [ 38.069642] ? security_file_ioctl+0x89/0xb0 [ 38.070327] SyS_ioctl+0x8f/0xc0 [ 38.070834] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 38.071565] RIP: 0033:0x4353a9 [ 38.072085] RSP: 002b:00007ffd56053e38 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 38.073284] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00000000004353a9 [ 38.074393] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000033d [ 38.075496] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 38.076607] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 38.077719] R13: 0000000000401840 R14: 00000000004018d0 R15: 0000000000000000 [ 38.088356] warn_alloc_show_mem: 1 callbacks suppressed [ 38.089167] Mem-Info: [ 38.103339] active_anon:3076 inactive_anon:42 isolated_anon:0 [ 38.103339] active_file:24 inactive_file:12 isolated_file:0 [ 38.103339] unevictable:0 dirty:0 writeback:0 unstable:0 [ 38.103339] slab_reclaimable:53692 slab_unreclaimable:329968 [ 38.103339] mapped:25 shmem:76 pagetables:300 bounce:0 [ 38.103339] free:17743 free_pcp:0 free_cma:0 [ 38.108373] Node 0 active_anon:8276kB inactive_anon:76kB active_file:24kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:180kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 38.111907] Node 1 active_anon:4028kB inactive_anon:92kB active_file:80kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96kB dirty:0kB writeback:0kB shmem:124kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 38.115488] Node 0 DMA free:4164kB min:640kB low:800kB high:960kB active_anon:20kB 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 [ 38.127991] lowmem_reserve[]: 0 886 886 886 [ 38.128401] Node 0 DMA32 free:36492kB min:36536kB low:45668kB high:54800kB active_anon:8256kB inactive_anon:76kB active_file:24kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2304kB pagetables:480kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 38.130670] lowmem_reserve[]: 0 0 0 0 [ 38.131024] Node 1 DMA32 free:30180kB min:30404kB low:38004kB high:45604kB active_anon:4028kB inactive_anon:92kB active_file:224kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1664kB pagetables:720kB bounce:0kB free_pcp:24kB local_pcp:0kB free_cma:0kB [ 38.134765] lowmem_reserve[]: 0 0 0 0 [ 38.135133] Node 0 DMA: 7*4kB (UME) 3*8kB (UM) 1*16kB (M) 2*32kB (UE) 1*64kB (M) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4164kB [ 38.137191] Node 0 DMA32: 360*4kB (UME) 281*8kB (UME) 174*16kB (UME) 64*32kB (UM) 59*64kB (UM) 29*128kB (M) 8*256kB (UME) 0*512kB 0*1024kB 5*2048kB (UME) 2*4096kB (M) = 36488kB [ 38.155504] Node 1 DMA32: 305*4kB (UM) 415*8kB (UME) 626*16kB (UME) 233*32kB (UME) 86*64kB (UME) 11*128kB (M) 5*256kB (M) 1*512kB (E) 0*1024kB 0*2048kB 0*4096kB = 30716kB [ 38.156699] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 38.157313] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 38.157888] 134 total pagecache pages [ 38.158170] 0 pages in swap cache [ 38.158416] Swap cache stats: add 0, delete 0, find 0/0 [ 38.158787] Free swap = 0kB [ 38.159002] Total swap = 0kB [ 38.159252] 524186 pages RAM [ 38.159460] 0 pages HighMem/MovableOnly [ 38.159737] 103968 pages reserved [ 38.251038] sshd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 38.253094] sshd cpuset=/ mems_allowed=0-1 [ 38.253837] CPU: 2 PID: 3085 Comm: sshd Not tainted 4.13.0-rc6-next-20170823+ #7 [ 38.255072] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 38.257876] Call Trace: [ 38.273113] dump_stack+0x194/0x257 [ 38.273903] ? arch_local_irq_restore+0x53/0x53 [ 38.274677] ? check_noncircular+0x20/0x20 [ 38.275428] dump_header+0x234/0xa0e [ 38.276089] ? pagefault_out_of_memory+0x152/0x152 [ 38.278903] ? lock_acquire+0x1d5/0x580 [ 38.279581] ? ___ratelimit+0x152/0x630 [ 38.280339] ? do_raw_spin_trylock+0x190/0x190 [ 38.281242] ? mark_held_locks+0xb2/0x100 [ 38.290879] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 38.291742] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.292660] ? trace_hardirqs_on+0xd/0x10 [ 38.293411] ? ___ratelimit+0x95/0x630 [ 38.294129] ? idr_get_free+0xff0/0xff0 [ 38.294815] oom_kill_process+0x86d/0x13d0 [ 38.295517] ? lock_downgrade+0x990/0x990 [ 38.300690] ? oom_evaluate_task+0x480/0x480 [ 38.301177] ? find_lock_task_mm+0x23b/0x460 [ 38.301547] ? do_raw_spin_trylock+0x190/0x190 [ 38.302014] ? task_will_free_mem+0xaa0/0xaa0 [ 38.302402] ? check_noncircular+0x20/0x20 [ 38.302701] ? lock_downgrade+0x990/0x990 [ 38.308320] ? _raw_spin_unlock+0x22/0x30 [ 38.308665] ? oom_badness+0xdf/0xb80 [ 38.308994] ? find_held_lock+0x39/0x1d0 [ 38.309913] ? lock_downgrade+0x990/0x990 [ 38.310404] ? oom_unkillable_task+0x33d/0x4c0 [ 38.310790] ? out_of_memory+0x851/0x11d0 [ 38.311268] ? oom_reaper+0x4d0/0x4d0 [ 38.311592] ? lock_release+0xd70/0xd70 [ 38.311929] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 38.312477] ? oom_evaluate_task+0x284/0x480 [ 38.312853] out_of_memory+0x7dd/0x11d0 [ 38.313317] ? oom_killer_disable+0x310/0x310 [ 38.313689] ? mutex_trylock+0x23a/0x2d0 [ 38.314029] ? __lock_is_held+0xbc/0x140 [ 38.314489] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 38.314975] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 38.315541] ? warn_alloc+0x2f0/0x2f0 [ 38.315888] ? find_get_pages_tag+0xf40/0xf40 [ 38.316368] ? radix_tree_lookup_slot+0x99/0xe0 [ 38.316779] ? check_noncircular+0x20/0x20 [ 38.317136] ? find_get_entry+0x53c/0x9e0 [ 38.317589] ? lock_downgrade+0x990/0x990 [ 38.318044] ? find_held_lock+0x39/0x1d0 [ 38.318511] ? check_same_owner+0x320/0x320 [ 38.318890] ? __page_cache_alloc+0x165/0x4d0 [ 38.322600] ? __might_sleep+0x95/0x190 [ 38.322935] __alloc_pages_nodemask+0x9f7/0xd80 [ 38.323440] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 38.323866] ? add_to_page_cache_lru+0x510/0x510 [ 38.324379] ? find_held_lock+0x39/0x1d0 [ 38.324930] alloc_pages_current+0xb6/0x1e0 [ 38.325400] __page_cache_alloc+0x358/0x4d0 [ 38.325760] ? rcu_read_lock_held+0xa9/0xc0 [ 38.326220] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 38.326830] filemap_fault+0xf32/0x1d30 [ 38.327277] ? __lock_page_or_retry+0x500/0x500 [ 38.327669] ? filemap_map_pages+0x942/0x15d0 [ 38.328055] ? find_get_entries_tag+0xeb0/0xeb0 [ 38.328571] ? __lock_acquire+0x732/0x4620 [ 38.328911] ? check_noncircular+0x20/0x20 [ 38.329364] ? page_add_new_anon_rmap+0x750/0x750 [ 38.329779] ? lock_downgrade+0x990/0x990 [ 38.330218] ? check_noncircular+0x20/0x20 [ 38.330573] ? check_noncircular+0x20/0x20 [ 38.330935] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 38.331471] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 38.331917] ? lock_acquire+0x1d5/0x580 [ 38.332292] ? ext4_filemap_fault+0x7d/0xb0 [ 38.332637] ? lock_release+0xd70/0xd70 [ 38.332981] ? check_same_owner+0x320/0x320 [ 38.333443] ? rcu_note_context_switch+0x710/0x710 [ 38.333839] ? find_held_lock+0x39/0x1d0 [ 38.334266] ? __might_sleep+0x95/0x190 [ 38.334594] ? down_read+0x96/0x150 [ 38.334889] ? ext4_filemap_fault+0x7d/0xb0 [ 38.335338] ? __down_interruptible+0x6a0/0x6a0 [ 38.335711] ? __inode_attach_wb+0xf70/0xf70 [ 38.336066] ? lock_downgrade+0x990/0x990 [ 38.336510] ext4_filemap_fault+0x85/0xb0 [ 38.336846] __do_fault+0xeb/0x30f [ 38.337213] ? pte_offset_kernel+0xc7/0xc7 [ 38.337578] ? lock_downgrade+0x990/0x990 [ 38.337928] ? check_noncircular+0x20/0x20 [ 38.338375] __handle_mm_fault+0x1b98/0x39e0 [ 38.338743] ? __pmd_alloc+0x4e0/0x4e0 [ 38.339073] ? lock_downgrade+0x990/0x990 [ 38.339504] ? find_held_lock+0x39/0x1d0 [ 38.339834] ? __lock_is_held+0xbc/0x140 [ 38.343155] handle_mm_fault+0x3bb/0x860 [ 38.343459] ? down_read_trylock+0xdb/0x170 [ 38.343854] ? __handle_mm_fault+0x39e0/0x39e0 [ 38.344169] ? vmacache_find+0x61/0x270 [ 38.344470] ? find_vma+0x30/0x150 [ 38.344831] __do_page_fault+0x4f6/0xb60 [ 38.345174] trace_do_page_fault+0x141/0x730 [ 38.345568] ? do_page_fault+0x70/0x70 [ 38.345968] ? rw_verify_area+0xe5/0x2b0 [ 38.346299] ? __fdget_raw+0x20/0x20 [ 38.346713] ? retint_user+0x18/0x23 [ 38.347046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.347450] do_async_page_fault+0x72/0xc0 [ 38.347874] async_page_fault+0x22/0x30 [ 38.348196] RIP: 0033:0x56148abf54b0 [ 38.348522] RSP: 002b:00007ffc79ef3a38 EFLAGS: 00010246 [ 38.349038] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000004 [ 38.349645] RDX: 0000000000000019 RSI: 0000000000000004 RDI: 000056148b2f4330 [ 38.350324] RBP: 0000000000000010 R08: 00000000478bfffd R09: 00000000000000b0 [ 38.351011] R10: 0000000000000034 R11: 0000000000000000 R12: 0000000000000010 [ 38.351569] R13: 000000000000005e R14: 000056148b2f82f0 R15: 0000000000000010 [ 38.352311] Mem-Info: [ 38.353059] active_anon:3076 inactive_anon:42 isolated_anon:0 [ 38.353059] active_file:40 inactive_file:45 isolated_file:19 [ 38.353059] unevictable:0 dirty:0 writeback:0 unstable:0 [ 38.353059] slab_reclaimable:53693 slab_unreclaimable:329968 [ 38.353059] mapped:21 shmem:76 pagetables:300 bounce:0 [ 38.353059] free:17680 free_pcp:159 free_cma:0 [ 38.355884] Node 0 active_anon:8276kB inactive_anon:76kB active_file:20kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:180kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 38.358140] Node 1 active_anon:4028kB inactive_anon:92kB active_file:140kB inactive_file:180kB unevictable:0kB isolated(anon):0kB isolated(file):76kB mapped:80kB dirty:0kB writeback:0kB shmem:124kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 38.360388] Node 0 DMA free:4164kB min:640kB low:800kB high:960kB active_anon:20kB 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 [ 38.365801] lowmem_reserve[]: 0 886 886 886 [ 38.366214] Node 0 DMA32 free:36364kB min:36536kB low:45668kB high:54800kB active_anon:8256kB inactive_anon:76kB active_file:20kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2304kB pagetables:480kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 38.368768] lowmem_reserve[]: 0 0 0 0 [ 38.369131] Node 1 DMA32 free:30192kB min:30404kB low:38004kB high:45604kB active_anon:4028kB inactive_anon:92kB active_file:220kB inactive_file:56kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1664kB pagetables:720kB bounce:0kB free_pcp:520kB local_pcp:96kB free_cma:0kB [ 38.371571] lowmem_reserve[]: 0 0 0 0 [ 38.371917] Node 0 DMA: 7*4kB (UME) 3*8kB (UM) 1*16kB (M) 2*32kB (UE) 1*64kB (M) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4164kB [ 38.373468] Node 0 DMA32: 359*4kB (UM) 280*8kB (UM) 173*16kB (UM) 65*32kB (UME) 59*64kB (UM) 30*128kB (ME) 7*256kB (UM) 0*512kB 0*1024kB 5*2048kB (UME) 2*4096kB (M) = 36364kB [ 38.375026] Node 1 DMA32: 150*4kB (UM) 414*8kB (UME) 626*16kB (UME) 233*32kB (UME) 86*64kB (UME) 11*128kB (M) 5*256kB (M) 1*512kB (E) 0*1024kB 0*2048kB 0*4096kB = 30088kB [ 38.376640] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 38.377396] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 38.378184] 172 total pagecache pages [ 38.378603] 0 pages in swap cache [ 38.378897] Swap cache stats: add 0, delete 0, find 0/0 [ 38.379393] Free swap = 0kB [ 38.379727] Total swap = 0kB [ 38.379982] 524186 pages RAM [ 38.380267] 0 pages HighMem/MovableOnly [ 38.380699] 103968 pages reserved [ 38.380991] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 38.381818] [ 1525] 0 1525 7116 1913 19 3 0 -1000 udevd [ 38.385592] [ 2830] 0 2830 5381 177 15 3 0 -1000 udevd [ 38.386366] [ 2974] 0 2974 14262 165 22 3 0 0 rsyslogd [ 38.387222] [ 3011] 0 3011 4725 48 15 3 0 0 cron [ 38.388059] [ 3037] 0 3037 12490 153 28 3 0 -1000 sshd [ 38.388870] [ 3061] 0 3061 3694 41 13 3 0 0 getty [ 38.389711] [ 3062] 0 3062 3694 38 12 3 0 0 getty [ 38.390481] [ 3063] 0 3063 3694 41 13 3 0 0 getty [ 38.391322] [ 3064] 0 3064 3694 41 13 3 0 0 getty [ 38.392141] [ 3065] 0 3065 3694 39 13 3 0 0 getty [ 38.392962] [ 3066] 0 3066 3694 41 12 3 0 0 getty [ 38.393801] [ 3067] 0 3067 3649 39 13 3 0 0 getty [ 38.394635] [ 3068] 0 3068 5381 178 15 3 0 -1000 udevd [ 38.395398] [ 3085] 0 3085 17820 196 40 4 0 0 sshd [ 38.396210] [ 3088] 0 3088 271 1 4 2 0 0 syzkaller024466 [ 38.397121] [ 3089] 0 3089 4366 36 5 2 0 0 syzkaller024466 [ 38.397939] [ 3090] 0 3090 4366 12 4 2 0 0 syzkaller024466 [ 38.398781] [ 3091] 0 3091 4366 12 4 2 0 0 syzkaller024466 [ 38.399707] [ 3092] 0 3092 4366 12 4 2 0 0 syzkaller024466 [ 38.400434] [ 3093] 0 3093 4366 12 4 2 0 0 syzkaller024466 [ 38.401266] [ 3094] 0 3094 4366 12 5 2 0 0 syzkaller024466 [ 38.402185] [ 3095] 0 3095 4366 12 4 2 0 0 syzkaller024466 [ 38.403099] [ 3096] 0 3096 4366 36 5 2 0 0 syzkaller024466 [ 38.403988] [ 3100] 0 3100 1544 12 7 3 0 -1000 modprobe [ 38.444430] Out of memory: Kill process 3085 (sshd) score 0 or sacrifice child [ 38.456442] Killed process 3088 (syzkaller024466) total-vm:1084kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 38.472918] oom_reaper: reaped process 3088 (syzkaller024466), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 38.551334] syzkaller024466: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 38.552646] syzkaller024466 cpuset=/ mems_allowed=0-1 [ 38.553256] CPU: 1 PID: 3096 Comm: syzkaller024466 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 38.556508] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 38.557283] Call Trace: [ 38.557621] dump_stack+0x194/0x257 [ 38.557976] ? arch_local_irq_restore+0x53/0x53 [ 38.558416] ? isolate_lru_page+0x11d0/0x11d0 [ 38.558924] warn_alloc+0x1c2/0x2f0 [ 38.559280] ? zone_watermark_ok_safe+0x430/0x430 [ 38.559838] ? rcu_note_context_switch+0x710/0x710 [ 38.560310] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 38.560887] ? warn_alloc+0x2f0/0x2f0 [ 38.561246] ? SyS_ioctl+0x8f/0xc0 [ 38.561656] ? warn_alloc+0x2f0/0x2f0 [ 38.562017] ? save_stack_trace+0x16/0x20 [ 38.562415] ? check_noncircular+0x20/0x20 [ 38.562896] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 38.563395] ? find_held_lock+0x39/0x1d0 [ 38.563872] ? lock_downgrade+0x990/0x990 [ 38.564290] ? check_same_owner+0x320/0x320 [ 38.564781] ? rcu_note_context_switch+0x710/0x710 [ 38.565239] ? check_noncircular+0x20/0x20 [ 38.565713] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 38.566333] ? __might_sleep+0x95/0x190 [ 38.566789] __alloc_pages_nodemask+0x9f7/0xd80 [ 38.567236] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 38.567786] ? __alloc_pages_nodemask+0xae5/0xd80 [ 38.568243] ? find_held_lock+0x39/0x1d0 [ 38.568705] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 38.569195] ? cache_grow_begin+0x31b/0x400 [ 38.569683] cache_grow_begin+0x86/0x400 [ 38.570071] fallback_alloc+0x150/0x2b0 [ 38.570454] ____cache_alloc_node+0x1cf/0x1e0 [ 38.570967] kmem_cache_alloc_trace+0x27d/0x750 [ 38.571418] ? lock_downgrade+0x990/0x990 [ 38.571891] kvm_dev_ioctl+0x216/0x1840 [ 38.572269] ? lock_release+0xd70/0xd70 [ 38.572729] ? install_new_memslots+0x420/0x420 [ 38.573231] ? avc_has_extended_perms+0x7fa/0x12c0 [ 38.573948] ? unwind_get_return_address+0x61/0xa0 [ 38.574434] ? avc_ss_reset+0x110/0x110 [ 38.574902] ? putname+0xee/0x130 [ 38.577620] ? save_stack+0xa3/0xd0 [ 38.577962] ? save_stack_trace+0x16/0x20 [ 38.578414] ? save_stack+0x43/0xd0 [ 38.578751] ? kasan_slab_free+0x71/0xc0 [ 38.579158] ? kmem_cache_free+0x77/0x280 [ 38.579584] ? putname+0xee/0x130 [ 38.579905] ? do_sys_open+0x31b/0x6d0 [ 38.580299] ? __lock_is_held+0xbc/0x140 [ 38.580739] ? check_same_owner+0x320/0x320 [ 38.581176] ? rcu_note_context_switch+0x710/0x710 [ 38.581681] ? install_new_memslots+0x420/0x420 [ 38.582147] do_vfs_ioctl+0x1b1/0x1530 [ 38.582561] ? _cond_resched+0x14/0x30 [ 38.582931] ? ioctl_preallocate+0x2b0/0x2b0 [ 38.583415] ? selinux_capable+0x40/0x40 [ 38.583800] ? putname+0xf3/0x130 [ 38.584167] ? security_file_ioctl+0x7d/0xb0 [ 38.584620] ? security_file_ioctl+0x89/0xb0 [ 38.585035] SyS_ioctl+0x8f/0xc0 [ 38.585422] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 38.585864] RIP: 0033:0x4353a9 [ 38.586186] RSP: 002b:00007ffd56053e38 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 38.587155] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00000000004353a9 [ 38.587861] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000033e [ 38.588592] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 38.589280] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 38.589987] R13: 0000000000401840 R14: 00000000004018d0 R15: 0000000000000000 [ 38.623297] udevd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 38.624577] udevd cpuset=/ mems_allowed=0-1 [ 38.625105] CPU: 0 PID: 1525 Comm: udevd Not tainted 4.13.0-rc6-next-20170823+ #7 [ 38.625868] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 38.626623] Call Trace: [ 38.626937] dump_stack+0x194/0x257 [ 38.627287] ? arch_local_irq_restore+0x53/0x53 [ 38.627771] ? check_noncircular+0x20/0x20 [ 38.628196] dump_header+0x234/0xa0e [ 38.628574] ? pagefault_out_of_memory+0x152/0x152 [ 38.629102] ? lock_acquire+0x1d5/0x580 [ 38.629483] ? ___ratelimit+0x152/0x630 [ 38.629938] ? do_raw_spin_trylock+0x190/0x190 [ 38.630353] ? mark_held_locks+0xb2/0x100 [ 38.630720] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 38.631175] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.631581] ? trace_hardirqs_on+0xd/0x10 [ 38.632157] ? ___ratelimit+0x95/0x630 [ 38.632624] ? idr_get_free+0xff0/0xff0 [ 38.633201] oom_kill_process+0x86d/0x13d0 [ 38.633781] ? lock_downgrade+0x990/0x990 [ 38.634361] ? oom_evaluate_task+0x480/0x480 [ 38.634990] ? find_lock_task_mm+0x23b/0x460 [ 38.635578] ? do_raw_spin_trylock+0x190/0x190 [ 38.636224] ? task_will_free_mem+0xaa0/0xaa0 [ 38.636841] ? check_noncircular+0x20/0x20 [ 38.637429] ? lock_downgrade+0x990/0x990 [ 38.638023] ? _raw_spin_unlock+0x22/0x30 [ 38.638570] ? oom_badness+0xdf/0xb80 [ 38.640822] ? find_held_lock+0x39/0x1d0 [ 38.641414] ? lock_downgrade+0x990/0x990 [ 38.641971] ? oom_unkillable_task+0x33d/0x4c0 [ 38.642623] ? out_of_memory+0x851/0x11d0 [ 38.643197] ? oom_reaper+0x4d0/0x4d0 [ 38.643785] ? lock_release+0xd70/0xd70 [ 38.644334] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 38.645043] ? oom_evaluate_task+0x284/0x480 [ 38.645682] out_of_memory+0x7dd/0x11d0 [ 38.646232] ? oom_killer_disable+0x310/0x310 [ 38.646847] ? mutex_trylock+0x23a/0x2d0 [ 38.647413] ? __lock_is_held+0xbc/0x140 [ 38.647979] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 38.648748] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 38.649424] ? print_usage_bug+0x480/0x480 [ 38.650031] ? warn_alloc+0x2f0/0x2f0 [ 38.650582] ? find_get_pages_tag+0xf40/0xf40 [ 38.651190] ? radix_tree_lookup_slot+0x99/0xe0 [ 38.651851] ? check_noncircular+0x20/0x20 [ 38.652436] ? find_get_entry+0x53c/0x9e0 [ 38.653020] ? find_held_lock+0x39/0x1d0 [ 38.653633] ? check_same_owner+0x320/0x320 [ 38.654203] ? __page_cache_alloc+0x165/0x4d0 [ 38.654839] ? __might_sleep+0x95/0x190 [ 38.655388] __alloc_pages_nodemask+0x9f7/0xd80 [ 38.656030] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 38.656735] ? add_to_page_cache_lru+0x510/0x510 [ 38.657396] ? find_held_lock+0x39/0x1d0 [ 38.657978] alloc_pages_current+0xb6/0x1e0 [ 38.658592] __page_cache_alloc+0x358/0x4d0 [ 38.659172] ? rcu_read_lock_held+0xa9/0xc0 [ 38.659788] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 38.662980] filemap_fault+0xf32/0x1d30 [ 38.663529] ? __lock_page_or_retry+0x500/0x500 [ 38.664205] ? filemap_map_pages+0x942/0x15d0 [ 38.664816] ? find_get_entries_tag+0xeb0/0xeb0 [ 38.665480] ? __lock_acquire+0x732/0x4620 [ 38.666086] ? check_noncircular+0x20/0x20 [ 38.666657] ? mem_cgroup_css_offline+0x510/0x510 [ 38.667345] ? __lock_is_held+0xbc/0x140 [ 38.667893] ? __lru_cache_add+0x2a4/0x410 [ 38.668504] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 38.669235] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 38.669933] ? lock_acquire+0x1d5/0x580 [ 38.670504] ? ext4_filemap_fault+0x7d/0xb0 [ 38.671134] ? lock_release+0xd70/0xd70 [ 38.671663] ? check_same_owner+0x320/0x320 [ 38.672276] ? rcu_note_context_switch+0x710/0x710 [ 38.672939] ? find_held_lock+0x39/0x1d0 [ 38.673524] ? __might_sleep+0x95/0x190 [ 38.674160] ? down_read+0x96/0x150 [ 38.674648] ? ext4_filemap_fault+0x7d/0xb0 [ 38.675279] ? __down_interruptible+0x6a0/0x6a0 [ 38.675909] ? lru_cache_add_active_or_unevictable+0x20e/0x540 [ 38.676755] ext4_filemap_fault+0x85/0xb0 [ 38.677349] __do_fault+0xeb/0x30f [ 38.677830] ? pte_offset_kernel+0xc7/0xc7 [ 38.678432] ? lock_release+0xd70/0xd70 [ 38.678958] ? check_same_owner+0x320/0x320 [ 38.679837] ? check_noncircular+0x20/0x20 [ 38.680446] __handle_mm_fault+0x1b98/0x39e0 [ 38.681042] ? __pmd_alloc+0x4e0/0x4e0 [ 38.683201] ? lock_downgrade+0x990/0x990 [ 38.683673] ? find_held_lock+0x39/0x1d0 [ 38.684326] ? __lock_is_held+0xbc/0x140 [ 38.684934] handle_mm_fault+0x3bb/0x860 [ 38.685447] ? down_read_trylock+0xdb/0x170 [ 38.686050] ? __handle_mm_fault+0x39e0/0x39e0 [ 38.686624] ? vmacache_find+0x61/0x270 [ 38.687273] ? find_vma+0x30/0x150 [ 38.687702] __do_page_fault+0x4f6/0xb60 [ 38.688288] trace_do_page_fault+0x141/0x730 [ 38.688866] ? SyS_sendmmsg+0x60/0x60 [ 38.689338] ? do_page_fault+0x70/0x70 [ 38.689709] ? __sb_end_write+0x9e/0xd0 [ 38.690117] ? retint_user+0x18/0x23 [ 38.690473] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.690947] do_async_page_fault+0x72/0xc0 [ 38.691361] async_page_fault+0x22/0x30 [ 38.691714] RIP: 0033:0x4141e9 [ 38.692045] RSP: 002b:00007ffd108259e0 EFLAGS: 00010246 [ 38.692541] RAX: 0000000001f2bec8 RBX: 0000000001f2bd30 RCX: 0000000000000000 [ 38.693239] RDX: 0000000000000000 RSI: 0000000001f2bec0 RDI: 0000000001f2bec8 [ 38.693915] RBP: 0000000001f2be40 R08: 00007fc8585eb098 R09: 0000000000000000 [ 38.694551] R10: 00000000017e6030 R11: 00007fc8582e4c81 R12: 0000000000000000 [ 38.695319] R13: 00000000017e6350 R14: 0000000000000000 R15: 00000000017e6030 [ 38.696362] Mem-Info: [ 38.697086] active_anon:3076 inactive_anon:42 isolated_anon:0 [ 38.697086] active_file:55 inactive_file:46 isolated_file:19 [ 38.697086] unevictable:0 dirty:0 writeback:0 unstable:0 [ 38.697086] slab_reclaimable:53693 slab_unreclaimable:329968 [ 38.697086] mapped:42 shmem:76 pagetables:296 bounce:0 [ 38.697086] free:17651 free_pcp:168 free_cma:0 [ 38.699642] Node 0 active_anon:8276kB inactive_anon:76kB active_file:24kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:180kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 38.701729] Node 1 active_anon:4028kB inactive_anon:92kB active_file:196kB inactive_file:188kB unevictable:0kB isolated(anon):0kB isolated(file):76kB mapped:164kB dirty:0kB writeback:0kB shmem:124kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 38.704462] Node 0 DMA free:4164kB min:640kB low:800kB high:960kB active_anon:20kB 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 [ 38.707323] lowmem_reserve[]: 0 886 886 886 [ 38.707928] Node 0 DMA32 free:36464kB min:36536kB low:45668kB high:54800kB active_anon:8256kB inactive_anon:76kB active_file:24kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2304kB pagetables:464kB bounce:0kB free_pcp:152kB local_pcp:120kB free_cma:0kB [ 38.712726] lowmem_reserve[]: 0 0 0 0 [ 38.713686] Node 1 DMA32 free:29976kB min:30404kB low:38004kB high:45604kB active_anon:4028kB inactive_anon:92kB active_file:156kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1632kB pagetables:720kB bounce:0kB free_pcp:708kB local_pcp:120kB free_cma:0kB [ 38.716985] lowmem_reserve[]: 0 0 0 0 [ 38.717490] Node 0 DMA: 7*4kB (UME) 3*8kB (UM) 1*16kB (M) 2*32kB (UE) 1*64kB (M) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4164kB [ 38.719444] Node 0 DMA32: 364*4kB (UME) 282*8kB (UME) 174*16kB (UME) 64*32kB (UM) 59*64kB (UM) 30*128kB (ME) 7*256kB (UM) 0*512kB 0*1024kB 5*2048kB (UME) 2*4096kB (M) = 36384kB [ 38.721265] Node 1 DMA32: 120*4kB (ME) 411*8kB (UME) 626*16kB (UME) 234*32kB (UME) 86*64kB (UME) 11*128kB (M) 5*256kB (M) 1*512kB (E) 0*1024kB 0*2048kB 0*4096kB = 29976kB [ 38.722293] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 38.722792] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 38.723463] 139 total pagecache pages [ 38.723697] 0 pages in swap cache [ 38.723902] Swap cache stats: add 0, delete 0, find 0/0 [ 38.724316] Free swap = 0kB [ 38.724563] Total swap = 0kB [ 38.724811] 524186 pages RAM [ 38.725086] 0 pages HighMem/MovableOnly [ 38.726080] 103968 pages reserved [ 38.726334] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 38.727540] [ 1525] 0 1525 7116 1913 19 3 0 -1000 udevd [ 38.728572] [ 2830] 0 2830 5381 177 15 3 0 -1000 udevd [ 38.730265] [ 2974] 0 2974 14262 165 22 3 0 0 rsyslogd [ 38.731379] [ 3011] 0 3011 4725 48 15 3 0 0 cron [ 38.736228] [ 3037] 0 3037 12490 153 28 3 0 -1000 sshd [ 38.737442] [ 3061] 0 3061 3694 41 13 3 0 0 getty [ 38.738649] [ 3062] 0 3062 3694 38 12 3 0 0 getty [ 38.739902] [ 3063] 0 3063 3694 41 13 3 0 0 getty [ 38.741113] [ 3064] 0 3064 3694 41 13 3 0 0 getty [ 38.742322] [ 3065] 0 3065 3694 39 13 3 0 0 getty [ 38.743554] [ 3066] 0 3066 3694 41 12 3 0 0 getty [ 38.744789] [ 3067] 0 3067 3649 39 13 3 0 0 getty [ 38.746809] [ 3068] 0 3068 5381 178 15 3 0 -1000 udevd [ 38.748003] [ 3085] 0 3085 17820 196 40 4 0 0 sshd [ 38.749194] [ 3089] 0 3089 4366 12 5 2 0 0 syzkaller024466 [ 38.750480] [ 3090] 0 3090 4366 12 4 2 0 0 syzkaller024466 [ 38.751863] [ 3091] 0 3091 4366 12 4 2 0 0 syzkaller024466 [ 38.753185] [ 3092] 0 3092 4366 12 4 2 0 0 syzkaller024466 [ 38.754487] [ 3093] 0 3093 4366 12 4 2 0 0 syzkaller024466 [ 38.755770] [ 3094] 0 3094 4366 12 5 2 0 0 syzkaller024466 [ 38.757057] [ 3095] 0 3095 4366 12 4 2 0 0 syzkaller024466 [ 38.758358] [ 3096] 0 3096 4366 12 5 2 0 0 syzkaller024466 [ 38.759690] [ 3100] 0 3100 1546 12 7 3 0 -1000 modprobe [ 38.760907] Out of memory: Kill process 3085 (sshd) score 0 or sacrifice child [ 38.775534] Killed process 3085 (sshd) total-vm:71280kB, anon-rss:780kB, file-rss:0kB, shmem-rss:4kB [ 38.784163] oom_reaper: reaped process 3085 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB Connection to localhost closed by remote host. [ 38.790962] sshd (3085) used greatest stack depth: 13184 bytes left