executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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: [ 160.155431] syzkaller119955: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 160.156672] syzkaller119955 cpuset=/ mems_allowed=0-1 [ 160.157448] CPU: 2 PID: 3042 Comm: syzkaller119955 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 160.158253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 160.159037] Call Trace: [ 160.159296] dump_stack+0x194/0x257 [ 160.160299] ? arch_local_irq_restore+0x53/0x53 [ 160.160767] warn_alloc+0x1c2/0x2f0 [ 160.161127] ? zone_watermark_ok_safe+0x430/0x430 [ 160.161622] ? mutex_unlock+0xd/0x10 [ 160.162010] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 160.162579] ? warn_alloc+0x2f0/0x2f0 [ 160.162950] ? SyS_ioctl+0x8f/0xc0 [ 160.163332] ? warn_alloc+0x2f0/0x2f0 [ 160.163710] ? save_stack_trace+0x16/0x20 [ 160.164131] ? check_noncircular+0x20/0x20 [ 160.164582] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 160.165104] ? find_held_lock+0x39/0x1d0 [ 160.165541] ? lock_downgrade+0x990/0x990 [ 160.165966] ? check_same_owner+0x320/0x320 [ 160.166417] ? rcu_note_context_switch+0x710/0x710 [ 160.166911] ? check_noncircular+0x20/0x20 [ 160.167355] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 160.167995] ? __might_sleep+0x95/0x190 [ 160.168417] __alloc_pages_nodemask+0x9f7/0xd80 [ 160.168874] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 160.169387] ? __alloc_pages_nodemask+0xae5/0xd80 [ 160.169853] ? find_held_lock+0x39/0x1d0 [ 160.170233] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 160.170684] ? cache_grow_begin+0x31b/0x400 [ 160.171057] cache_grow_begin+0x86/0x400 [ 160.171426] fallback_alloc+0x150/0x2b0 [ 160.171764] ____cache_alloc_node+0x1cf/0x1e0 [ 160.172149] kmem_cache_alloc_trace+0x27d/0x750 [ 160.172558] ? lock_downgrade+0x990/0x990 [ 160.172915] kvm_dev_ioctl+0x216/0x1840 [ 160.173255] ? lock_release+0xd70/0xd70 [ 160.173611] ? install_new_memslots+0x420/0x420 [ 160.174018] ? avc_has_extended_perms+0x7fa/0x12c0 [ 160.174453] ? unwind_get_return_address+0x61/0xa0 [ 160.174889] ? avc_ss_reset+0x110/0x110 [ 160.175229] ? putname+0xee/0x130 [ 160.175545] ? save_stack+0xa3/0xd0 [ 160.175850] ? save_stack_trace+0x16/0x20 [ 160.176199] ? save_stack+0x43/0xd0 [ 160.176525] ? kasan_slab_free+0x71/0xc0 [ 160.176863] ? kmem_cache_free+0x77/0x280 [ 160.177213] ? putname+0xee/0x130 [ 160.177525] ? do_sys_open+0x31b/0x6d0 [ 160.177853] ? __lock_is_held+0xbc/0x140 [ 160.178213] ? check_same_owner+0x320/0x320 [ 160.178600] ? rcu_note_context_switch+0x710/0x710 [ 160.179021] ? install_new_memslots+0x420/0x420 [ 160.179437] do_vfs_ioctl+0x1b1/0x1530 [ 160.179763] ? _cond_resched+0x14/0x30 [ 160.180100] ? ioctl_preallocate+0x2b0/0x2b0 [ 160.180495] ? selinux_capable+0x40/0x40 [ 160.181128] ? putname+0xf3/0x130 [ 160.181433] ? security_file_ioctl+0x7d/0xb0 [ 160.181800] ? security_file_ioctl+0x89/0xb0 [ 160.182177] SyS_ioctl+0x8f/0xc0 [ 160.182466] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 160.182878] RIP: 0033:0x435369 [ 160.183154] RSP: 002b:00007ffe81a05c58 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 160.183793] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 160.184394] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000341 [ 160.184988] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 160.185590] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 160.186192] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 160.186923] Mem-Info: executing program [ 160.189532] active_anon:5128 inactive_anon:42 isolated_anon:0 [ 160.189532] active_file:487 inactive_file:491 isolated_file:27 [ 160.189532] unevictable:0 dirty:0 writeback:0 unstable:0 [ 160.189532] slab_reclaimable:52930 slab_unreclaimable:326531 [ 160.189532] mapped:936 shmem:76 pagetables:307 bounce:0 [ 160.189532] free:18640 free_pcp:216 free_cma:0 executing program [ 160.192954] Node 0 active_anon:10808kB inactive_anon:100kB active_file:60kB inactive_file:172kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes executing program [ 160.195376] Node 1 active_anon:9704kB inactive_anon:68kB active_file:1784kB inactive_file:1844kB unevictable:0kB isolated(anon):0kB isolated(file):188kB mapped:3624kB dirty:0kB writeback:0kB shmem:168kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 160.198352] Node 0 DMA free:4188kB min:640kB low:800kB high:960kB active_anon:24kB 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 [ 160.200940] lowmem_reserve[]: 0 886 886 886 [ 160.201499] Node 0 DMA32 free:39748kB min:36536kB low:45668kB high:54800kB active_anon:10780kB inactive_anon:100kB active_file:60kB inactive_file:284kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2528kB pagetables:512kB bounce:0kB free_pcp:240kB local_pcp:92kB free_cma:0kB [ 160.204700] lowmem_reserve[]: 0 0 0 0 [ 160.205135] Node 1 DMA32 free:30040kB min:30404kB low:38004kB high:45604kB active_anon:9704kB inactive_anon:68kB active_file:1912kB inactive_file:1852kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1376kB pagetables:716kB bounce:0kB free_pcp:1080kB local_pcp:128kB free_cma:0kB executing program [ 160.207877] lowmem_reserve[]: 0 0 0 0 [ 160.208529] Node 0 DMA: 1*4kB (U) 1*8kB (M) 1*16kB (U) 2*32kB (UM) 2*64kB (ME) 1*128kB (M) 1*256kB (M) 1*512kB (M) 3*1024kB (UME) 0*2048kB 0*4096kB = 4188kB [ 160.210160] Node 0 DMA32: 84*4kB (UME) 221*8kB (MEH) 172*16kB (UMEH) 122*32kB (UMEH) 52*64kB (UMH) 13*128kB (UM) 11*256kB (ME) 5*512kB (UME) 1*1024kB (M) 5*2048kB (UME) 2*4096kB (M) = 38584kB [ 160.212076] Node 1 DMA32: 331*4kB (M) 488*8kB (UMEH) 316*16kB (UMH) 101*32kB (UMEH) 10*64kB (UM) 10*128kB (UM) 15*256kB (M) 1*512kB (U) 2*1024kB (ME) 2*2048kB (ME) 1*4096kB (M) = 30028kB [ 160.213943] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 160.214750] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 160.215443] 1155 total pagecache pages [ 160.215848] 0 pages in swap cache [ 160.216238] Swap cache stats: add 0, delete 0, find 0/0 [ 160.216905] Free swap = 0kB [ 160.217250] Total swap = 0kB executing program [ 160.217555] 524186 pages RAM [ 160.218082] 0 pages HighMem/MovableOnly [ 160.218503] 103968 pages reserved executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 161.056433] udevd invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=-1000 [ 161.057383] udevd cpuset=/ mems_allowed=0-1 [ 161.057728] CPU: 0 PID: 3017 Comm: udevd Not tainted 4.13.0-rc6-next-20170824+ #8 [ 161.058258] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 161.058831] Call Trace: [ 161.059021] dump_stack+0x194/0x257 [ 161.059273] ? arch_local_irq_restore+0x53/0x53 [ 161.059591] ? check_noncircular+0x20/0x20 [ 161.059896] dump_header+0x234/0xa0e [ 161.060167] ? pagefault_out_of_memory+0x152/0x152 [ 161.060506] ? lock_acquire+0x1d5/0x580 [ 161.060775] ? ___ratelimit+0x152/0x630 [ 161.061069] ? do_raw_spin_trylock+0x190/0x190 [ 161.061385] ? mark_held_locks+0xb2/0x100 [ 161.061654] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 161.062021] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 161.062362] ? trace_hardirqs_on+0xd/0x10 [ 161.062647] ? ___ratelimit+0x95/0x630 [ 161.062923] ? idr_get_free+0xff0/0xff0 [ 161.063199] ? lock_downgrade+0x990/0x990 [ 161.063484] ? cred_has_capability+0x1a0/0x3d0 [ 161.063800] oom_kill_process+0x86d/0x13d0 [ 161.064110] ? lock_release+0xd70/0xd70 [ 161.064389] ? oom_evaluate_task+0x480/0x480 [ 161.064691] ? security_capable_noaudit+0x8b/0xc0 [ 161.065037] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 161.065383] ? check_noncircular+0x20/0x20 [ 161.065668] ? has_capability+0x30/0x30 [ 161.065956] ? has_capability_noaudit+0x24/0x30 [ 161.066283] ? oom_badness+0xdf/0xb80 [ 161.066550] ? find_held_lock+0x39/0x1d0 [ 161.066832] ? lock_downgrade+0x990/0x990 [ 161.067141] ? out_of_memory+0x921/0x11d0 [ 161.067427] ? oom_reaper+0x4d0/0x4d0 [ 161.067689] ? lock_release+0xd70/0xd70 [ 161.067972] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 161.068329] ? oom_evaluate_task+0x284/0x480 [ 161.068631] out_of_memory+0x7dd/0x11d0 [ 161.068918] ? oom_killer_disable+0x310/0x310 [ 161.069230] ? mutex_trylock+0x23a/0x2d0 [ 161.069509] ? __lock_is_held+0xbc/0x140 [ 161.069785] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 161.070180] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 161.070545] ? warn_alloc+0x2f0/0x2f0 [ 161.070806] ? seq_read+0x7cd/0x13d0 [ 161.071081] ? warn_alloc+0x2f0/0x2f0 [ 161.071343] ? save_stack_trace+0x16/0x20 [ 161.071632] ? check_noncircular+0x20/0x20 [ 161.071936] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 161.072303] ? find_held_lock+0x39/0x1d0 [ 161.072593] ? __lock_is_held+0xbc/0x140 [ 161.072876] ? check_same_owner+0x320/0x320 [ 161.073199] ? __might_sleep+0x95/0x190 [ 161.073472] __alloc_pages_nodemask+0x9f7/0xd80 [ 161.073792] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 161.074148] ? __alloc_pages_nodemask+0xae5/0xd80 [ 161.074476] ? find_held_lock+0x39/0x1d0 [ 161.074755] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 161.075120] ? cache_grow_begin+0x31b/0x400 [ 161.075417] cache_grow_begin+0x86/0x400 [ 161.075696] fallback_alloc+0x150/0x2b0 [ 161.075982] ____cache_alloc_node+0x1cf/0x1e0 [ 161.076730] kmem_cache_alloc_node_trace+0xe9/0x760 [ 161.077075] ? fsnotify+0xb6f/0x1af0 [ 161.077349] __kmalloc_node+0x33/0x70 [ 161.077612] kvmalloc_node+0x99/0xd0 [ 161.077868] seq_read+0x7cd/0x13d0 [ 161.078135] ? seq_lseek+0x3c0/0x3c0 [ 161.078396] ? arch_get_unmapped_area+0x750/0x750 [ 161.078734] ? lock_acquire+0x1d5/0x580 [ 161.079009] kernfs_fop_read+0x455/0x610 [ 161.079303] ? kernfs_vma_page_mkwrite+0x220/0x220 [ 161.079642] ? kernfs_vma_page_mkwrite+0x220/0x220 [ 161.079977] __vfs_read+0xef/0xa00 [ 161.080226] ? rcu_note_context_switch+0x710/0x710 [ 161.080577] ? do_iter_readv_writev+0x7f0/0x7f0 [ 161.080893] ? fsnotify+0x1af0/0x1af0 [ 161.081170] ? _cond_resched+0x14/0x30 [ 161.081443] ? __inode_security_revalidate+0xd9/0x130 [ 161.081792] ? avc_policy_seqno+0x9/0x20 [ 161.082067] ? selinux_file_permission+0x82/0x460 [ 161.082419] ? security_file_permission+0x89/0x1f0 [ 161.082759] ? rw_verify_area+0xe5/0x2b0 [ 161.083034] ? __fdget_raw+0x20/0x20 [ 161.083307] vfs_read+0x124/0x360 [ 161.083548] SyS_read+0xef/0x220 [ 161.083779] ? vfs_copy_file_range+0x960/0x960 [ 161.084102] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 161.084461] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 161.084780] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 161.085101] RIP: 0033:0x7fcbae598310 [ 161.085369] RSP: 002b:00007fff9b25ce88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 161.085888] RAX: ffffffffffffffda RBX: 0000000000b5b3e0 RCX: 00007fcbae598310 [ 161.086387] RDX: 0000000000001000 RSI: 00007fcbaee97000 RDI: 0000000000000005 [ 161.086876] RBP: 0000000000000086 R08: 00000000ffffffff R09: 0000000000000000 [ 161.087533] R10: 0000000000000022 R11: 0000000000000246 R12: 000000000000000a [ 161.088147] syzkaller119955: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 161.088165] syzkaller119955 cpuset=/ mems_allowed=0-1 [ 161.089819] R13: 0000000000000000 R14: 0000000000000000 R15: 00007fff9b25d360 [ 161.090517] CPU: 1 PID: 3047 Comm: syzkaller119955 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 161.090587] Mem-Info: [ 161.090601] active_anon:3610 inactive_anon:42 isolated_anon:0 [ 161.090601] active_file:0 inactive_file:26 isolated_file:0 [ 161.090601] unevictable:0 dirty:0 writeback:0 unstable:0 [ 161.090601] slab_reclaimable:53471 slab_unreclaimable:328743 [ 161.090601] mapped:10 shmem:76 pagetables:307 bounce:0 [ 161.090601] free:18647 free_pcp:94 free_cma:0 [ 161.090611] Node 0 active_anon:4720kB inactive_anon:100kB active_file:0kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 161.090621] Node 1 active_anon:9720kB inactive_anon:68kB active_file:20kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:168kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 161.090625] Node 0 DMA free:4188kB min:640kB low:800kB high:960kB active_anon:24kB 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 [ 161.090643] lowmem_reserve[]: 0 886 886 886 [ 161.090671] Node 0 DMA32 free:38108kB min:36536kB low:45668kB high:54800kB active_anon:4696kB inactive_anon:100kB active_file:0kB inactive_file:144kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2528kB pagetables:500kB bounce:0kB free_pcp:376kB local_pcp:344kB free_cma:0kB [ 161.090688] lowmem_reserve[]: 0 0 0 0 [ 161.090719] Node 1 DMA32 free:32292kB min:30404kB low:38004kB high:45604kB active_anon:9720kB inactive_anon:68kB active_file:20kB inactive_file:68kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1376kB pagetables:728kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 161.090735] lowmem_reserve[]: 0 0 0 0 [ 161.090766] Node 0 DMA: 1*4kB (U) 1*8kB (M) 1*16kB (U) 2*32kB (UM) 2*64kB (ME) 1*128kB (M) 1*256kB (M) 1*512kB (M) 3*1024kB (UME) 0*2048kB 0*4096kB = 4188kB [ 161.090893] Node 0 DMA32: 169*4kB (UM) 361*8kB (UMEH) 197*16kB (UMEH) 129*32kB (UMH) 54*64kB (UMEH) 12*128kB (M) 11*256kB (ME) 4*512kB (UM) 1*1024kB (M) 4*2048kB (UME) 2*4096kB (M) = 38108kB [ 161.091047] Node 1 DMA32: 357*4kB (ME) 658*8kB (UMEH) 458*16kB (UMEH) 143*32kB (UMEH) 26*64kB (UME) 10*128kB (M) 16*256kB (UM) 1*512kB (E) 2*1024kB (ME) 2*2048kB (UM) 0*4096kB = 32292kB [ 161.091141] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB executing program executing program executing program executing program executing program [ 161.091146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 161.091149] 136 total pagecache pages [ 161.091157] 0 pages in swap cache [ 161.091162] Swap cache stats: add 0, delete 0, find 0/0 [ 161.091165] Free swap = 0kB [ 161.091169] Total swap = 0kB [ 161.091173] 524186 pages RAM [ 161.091177] 0 pages HighMem/MovableOnly [ 161.091180] 103968 pages reserved [ 161.091184] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 161.091251] [ 1511] 0 1511 7089 1863 20 3 0 -1000 udevd [ 161.091281] [ 2795] 0 2795 2493 573 8 3 0 0 dhclient [ 161.091292] [ 2923] 0 2923 14244 165 23 3 0 0 rsyslogd [ 161.091303] [ 2960] 0 2960 4725 49 15 3 0 0 cron [ 161.091314] [ 2986] 0 2986 12490 152 29 3 0 -1000 sshd [ 161.091325] [ 3010] 0 3010 3694 39 13 3 0 0 getty [ 161.091336] [ 3011] 0 3011 3694 41 13 3 0 0 getty [ 161.091347] [ 3012] 0 3012 3694 39 12 3 0 0 getty [ 161.091358] [ 3013] 0 3013 3694 40 13 3 0 0 getty [ 161.091369] [ 3014] 0 3014 3694 42 12 3 0 0 getty [ 161.091380] [ 3015] 0 3015 3694 39 13 3 0 0 getty [ 161.091391] [ 3016] 0 3016 3649 40 12 3 0 0 getty [ 161.091401] [ 3017] 0 3017 5406 191 15 3 0 -1000 udevd [ 161.091412] [ 3018] 0 3018 5405 192 15 3 0 -1000 udevd [ 161.091423] [ 3038] 0 3038 17820 197 40 3 0 0 sshd [ 161.091435] [ 3040] 0 3040 271 1 4 2 0 0 syzkaller119955 [ 161.091445] [ 3041] 0 3041 4366 12 5 2 0 0 syzkaller119955 [ 161.091456] [ 3042] 0 3042 4366 12 5 2 0 0 syzkaller119955 [ 161.091467] [ 3043] 0 3043 4366 12 5 2 0 0 syzkaller119955 [ 161.091478] [ 3044] 0 3044 4366 12 5 2 0 0 syzkaller119955 [ 161.091489] [ 3045] 0 3045 4366 12 5 2 0 0 syzkaller119955 [ 161.091499] [ 3046] 0 3046 4366 12 5 2 0 0 syzkaller119955 [ 161.091509] [ 3047] 0 3047 4366 12 5 2 0 0 syzkaller119955 [ 161.091520] [ 3048] 0 3048 4366 12 5 2 0 0 syzkaller119955 [ 161.091526] Out of memory: Kill process 2795 (dhclient) score 1 or sacrifice child [ 161.091618] Killed process 2795 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 161.141619] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 161.142454] Call Trace: [ 161.142742] dump_stack+0x194/0x257 [ 161.143088] ? arch_local_irq_restore+0x53/0x53 [ 161.143549] ? isolate_lru_page+0x11d0/0x11d0 [ 161.144009] warn_alloc+0x1c2/0x2f0 [ 161.144377] ? zone_watermark_ok_safe+0x430/0x430 [ 161.144896] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 161.145436] ? warn_alloc+0x2f0/0x2f0 [ 161.145817] ? SyS_ioctl+0x8f/0xc0 [ 161.146183] ? warn_alloc+0x2f0/0x2f0 [ 161.146574] ? save_stack_trace+0x16/0x20 [ 161.147001] ? check_noncircular+0x20/0x20 [ 161.147442] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 161.147981] ? find_held_lock+0x39/0x1d0 [ 161.148403] ? lock_downgrade+0x990/0x990 [ 161.148844] ? check_same_owner+0x320/0x320 [ 161.149285] ? rcu_note_context_switch+0x710/0x710 [ 161.149778] ? check_noncircular+0x20/0x20 [ 161.150204] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 161.150883] ? __might_sleep+0x95/0x190 [ 161.151288] __alloc_pages_nodemask+0x9f7/0xd80 [ 161.151768] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 161.152277] ? __alloc_pages_nodemask+0xae5/0xd80 [ 161.152773] ? find_held_lock+0x39/0x1d0 [ 161.153195] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 161.153736] ? cache_grow_begin+0x31b/0x400 [ 161.154172] cache_grow_begin+0x86/0x400 [ 161.154600] fallback_alloc+0x150/0x2b0 [ 161.155017] ____cache_alloc_node+0x1cf/0x1e0 [ 161.155470] kmem_cache_alloc_trace+0x27d/0x750 [ 161.155934] ? lock_downgrade+0x990/0x990 [ 161.156363] kvm_dev_ioctl+0x216/0x1840 [ 161.156771] ? lock_release+0xd70/0xd70 [ 161.157175] ? install_new_memslots+0x420/0x420 [ 161.157665] ? avc_has_extended_perms+0x7fa/0x12c0 [ 161.158145] ? unwind_get_return_address+0x61/0xa0 [ 161.158634] ? avc_ss_reset+0x110/0x110 [ 161.159028] ? putname+0xee/0x130 [ 161.159376] ? save_stack+0xa3/0xd0 [ 161.159733] ? save_stack_trace+0x16/0x20 [ 161.160149] ? save_stack+0x43/0xd0 [ 161.160506] ? kasan_slab_free+0x71/0xc0 [ 161.160913] ? kmem_cache_free+0x77/0x280 [ 161.161331] ? putname+0xee/0x130 [ 161.161689] ? do_sys_open+0x31b/0x6d0 [ 161.162094] ? __lock_is_held+0xbc/0x140 [ 161.163042] ? check_same_owner+0x320/0x320 [ 161.163480] ? rcu_note_context_switch+0x710/0x710 [ 161.163996] ? install_new_memslots+0x420/0x420 [ 161.164462] do_vfs_ioctl+0x1b1/0x1530 [ 161.164864] ? _cond_resched+0x14/0x30 [ 161.165274] ? ioctl_preallocate+0x2b0/0x2b0 [ 161.165747] ? selinux_capable+0x40/0x40 [ 161.166171] ? putname+0xf3/0x130 [ 161.166573] ? security_file_ioctl+0x7d/0xb0 [ 161.167034] ? security_file_ioctl+0x89/0xb0 [ 161.167498] SyS_ioctl+0x8f/0xc0 [ 161.167858] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 161.168352] RIP: 0033:0x435369 [ 161.168671] RSP: 002b:00007ffe81a05c58 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 161.169436] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 161.170162] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002c3 [ 161.170897] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 161.171602] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 161.172356] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 executing program executing program executing program [ 161.600875] syzkaller119955: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 161.602201] syzkaller119955 cpuset=/ mems_allowed=0-1 [ 161.602745] CPU: 0 PID: 3047 Comm: syzkaller119955 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 161.603596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 161.604409] Call Trace: [ 161.604677] dump_stack+0x194/0x257 [ 161.605053] ? arch_local_irq_restore+0x53/0x53 [ 161.605532] ? isolate_lru_page+0x11d0/0x11d0 [ 161.605995] warn_alloc+0x1c2/0x2f0 [ 161.606366] ? zone_watermark_ok_safe+0x430/0x430 [ 161.606892] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 161.607458] ? warn_alloc+0x2f0/0x2f0 [ 161.607851] ? SyS_ioctl+0x8f/0xc0 [ 161.608222] ? warn_alloc+0x2f0/0x2f0 [ 161.608610] ? save_stack_trace+0x16/0x20 [ 161.609045] ? check_noncircular+0x20/0x20 [ 161.609503] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 161.610345] ? find_held_lock+0x39/0x1d0 [ 161.610779] ? lock_downgrade+0x990/0x990 [ 161.611234] ? check_same_owner+0x320/0x320 [ 161.611684] ? rcu_note_context_switch+0x710/0x710 [ 161.612176] ? check_noncircular+0x20/0x20 [ 161.612600] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 161.613288] ? __might_sleep+0x95/0x190 [ 161.613767] __alloc_pages_nodemask+0x9f7/0xd80 [ 161.614250] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 161.614759] ? __alloc_pages_nodemask+0xae5/0xd80 [ 161.615275] ? find_held_lock+0x39/0x1d0 [ 161.615696] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 161.616231] ? cache_grow_begin+0x31b/0x400 [ 161.616675] cache_grow_begin+0x86/0x400 [ 161.617091] fallback_alloc+0x150/0x2b0 [ 161.617508] ____cache_alloc_node+0x1cf/0x1e0 [ 161.617977] kmem_cache_alloc_trace+0x27d/0x750 [ 161.618442] ? lock_downgrade+0x990/0x990 [ 161.618878] kvm_dev_ioctl+0x216/0x1840 [ 161.619289] ? lock_release+0xd70/0xd70 [ 161.619834] ? install_new_memslots+0x420/0x420 [ 161.620325] ? avc_has_extended_perms+0x7fa/0x12c0 [ 161.620823] ? unwind_get_return_address+0x61/0xa0 [ 161.621344] ? avc_ss_reset+0x110/0x110 [ 161.621761] ? putname+0xee/0x130 [ 161.622115] ? save_stack+0xa3/0xd0 [ 161.622487] ? save_stack_trace+0x16/0x20 [ 161.622921] ? save_stack+0x43/0xd0 [ 161.623294] ? kasan_slab_free+0x71/0xc0 [ 161.623709] ? kmem_cache_free+0x77/0x280 [ 161.624131] ? putname+0xee/0x130 [ 161.624482] ? do_sys_open+0x31b/0x6d0 [ 161.624887] ? __lock_is_held+0xbc/0x140 [ 161.625332] ? check_same_owner+0x320/0x320 [ 161.625779] ? rcu_note_context_switch+0x710/0x710 [ 161.626290] ? install_new_memslots+0x420/0x420 [ 161.626778] do_vfs_ioctl+0x1b1/0x1530 [ 161.627178] ? _cond_resched+0x14/0x30 [ 161.627590] ? ioctl_preallocate+0x2b0/0x2b0 [ 161.628043] ? selinux_capable+0x40/0x40 [ 161.628462] ? putname+0xf3/0x130 [ 161.628837] ? security_file_ioctl+0x7d/0xb0 [ 161.629292] ? security_file_ioctl+0x89/0xb0 [ 161.629748] SyS_ioctl+0x8f/0xc0 [ 161.630102] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 161.630585] RIP: 0033:0x435369 [ 161.630915] RSP: 002b:00007ffe81a05c58 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 161.632097] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 161.632815] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002c4 [ 161.633535] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 161.634262] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 161.634685] syzkaller119955: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 161.634702] syzkaller119955 cpuset=/ mems_allowed=0-1 [ 161.636583] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 161.637292] CPU: 3 PID: 3048 Comm: syzkaller119955 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 161.637394] warn_alloc_show_mem: 1 callbacks suppressed [ 161.637402] Mem-Info: [ 161.637415] active_anon:3044 inactive_anon:41 isolated_anon:0 [ 161.637415] active_file:70 inactive_file:0 isolated_file:0 [ 161.637415] unevictable:0 dirty:11 writeback:1 unstable:0 [ 161.637415] slab_reclaimable:53532 slab_unreclaimable:329220 [ 161.637415] mapped:48 shmem:76 pagetables:299 bounce:0 [ 161.637415] free:18566 free_pcp:52 free_cma:0 [ 161.637425] Node 0 active_anon:2512kB inactive_anon:96kB active_file:192kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:156kB dirty:12kB writeback:4kB shmem:136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 161.637435] Node 1 active_anon:9664kB inactive_anon:68kB active_file:88kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:32kB writeback:0kB shmem:168kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 161.637438] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:24kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 161.637452] lowmem_reserve[]: 0 886 886 886 [ 161.637470] Node 0 DMA32 free:38396kB min:36536kB low:45668kB high:54800kB active_anon:2488kB inactive_anon:96kB active_file:120kB inactive_file:108kB unevictable:0kB writepending:12kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2528kB pagetables:500kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 161.637484] lowmem_reserve[]: 0 0 0 0 [ 161.637501] Node 1 DMA32 free:31684kB min:30404kB low:38004kB high:45604kB active_anon:9664kB inactive_anon:68kB active_file:0kB inactive_file:20kB unevictable:0kB writepending:32kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1344kB pagetables:696kB bounce:0kB free_pcp:208kB local_pcp:0kB free_cma:0kB [ 161.637515] lowmem_reserve[]: 0 0 0 0 [ 161.637532] Node 0 DMA: 2*4kB (UM) 0*8kB 1*16kB (U) 2*32kB (UM) 2*64kB (ME) 1*128kB (M) 1*256kB (M) 1*512kB (M) 3*1024kB (UME) 0*2048kB 0*4096kB = 4184kB [ 161.637602] Node 0 DMA32: 252*4kB (UME) 267*8kB (UMH) 195*16kB (UMEH) 154*32kB (UMEH) 65*64kB (UMH) 18*128kB (ME) 12*256kB (M) 3*512kB (M) 2*1024kB (UM) 3*2048kB (ME) 2*4096kB (M) = 38648kB [ 161.637681] Node 1 DMA32: 332*4kB (ME) 644*8kB (UMEH) 458*16kB (UMEH) 141*32kB (UMH) 25*64kB (UM) 10*128kB (M) 16*256kB (UM) 1*512kB (E) 2*1024kB (ME) 2*2048kB (UM) 0*4096kB = 31952kB [ 161.637759] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 161.637763] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 161.637767] 183 total pagecache pages [ 161.637774] 0 pages in swap cache [ 161.637778] Swap cache stats: add 0, delete 0, find 0/0 [ 161.637781] Free swap = 0kB [ 161.637784] Total swap = 0kB [ 161.637788] 524186 pages RAM [ 161.637791] 0 pages HighMem/MovableOnly [ 161.637794] 103968 pages reserved [ 161.665218] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 161.665997] Call Trace: [ 161.666253] dump_stack+0x194/0x257 [ 161.666619] ? arch_local_irq_restore+0x53/0x53 [ 161.667067] ? isolate_lru_page+0x11d0/0x11d0 [ 161.667495] warn_alloc+0x1c2/0x2f0 [ 161.667845] ? zone_watermark_ok_safe+0x430/0x430 [ 161.668333] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 161.669317] ? warn_alloc+0x2f0/0x2f0 [ 161.669689] ? SyS_ioctl+0x8f/0xc0 [ 161.670033] ? warn_alloc+0x2f0/0x2f0 [ 161.670398] ? save_stack_trace+0x16/0x20 [ 161.670815] ? check_noncircular+0x20/0x20 [ 161.671227] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 161.671733] ? find_held_lock+0x39/0x1d0 [ 161.672123] ? lock_downgrade+0x990/0x990 [ 161.672544] ? check_same_owner+0x320/0x320 [ 161.672948] ? rcu_note_context_switch+0x710/0x710 [ 161.673421] ? check_noncircular+0x20/0x20 [ 161.674034] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 161.675127] ? __might_sleep+0x95/0x190 [ 161.675633] __alloc_pages_nodemask+0x9f7/0xd80 [ 161.676154] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 161.676693] ? __alloc_pages_nodemask+0xae5/0xd80 [ 161.677222] ? find_held_lock+0x39/0x1d0 [ 161.677625] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 161.678219] ? cache_grow_begin+0x31b/0x400 [ 161.678648] cache_grow_begin+0x86/0x400 executing program [ 161.679038] fallback_alloc+0x150/0x2b0 executing program [ 161.679579] ____cache_alloc_node+0x1cf/0x1e0 [ 161.680148] kmem_cache_alloc_trace+0x27d/0x750 [ 161.680605] ? lock_downgrade+0x990/0x990 [ 161.681017] kvm_dev_ioctl+0x216/0x1840 [ 161.681413] ? lock_release+0xd70/0xd70 [ 161.681820] ? install_new_memslots+0x420/0x420 [ 161.682308] ? avc_has_extended_perms+0x7fa/0x12c0 [ 161.682971] ? unwind_get_return_address+0x61/0xa0 [ 161.683818] ? avc_ss_reset+0x110/0x110 [ 161.684478] ? putname+0xee/0x130 [ 161.685043] ? save_stack+0xa3/0xd0 [ 161.685652] ? save_stack_trace+0x16/0x20 [ 161.686381] ? save_stack+0x43/0xd0 [ 161.687133] ? kasan_slab_free+0x71/0xc0 [ 161.687926] ? kmem_cache_free+0x77/0x280 [ 161.688632] ? putname+0xee/0x130 [ 161.689214] ? do_sys_open+0x31b/0x6d0 [ 161.689836] ? __lock_is_held+0xbc/0x140 [ 161.690576] ? check_same_owner+0x320/0x320 [ 161.690972] ? rcu_note_context_switch+0x710/0x710 [ 161.691422] ? install_new_memslots+0x420/0x420 [ 161.691843] do_vfs_ioctl+0x1b1/0x1530 [ 161.692193] ? _cond_resched+0x14/0x30 [ 161.692547] ? ioctl_preallocate+0x2b0/0x2b0 [ 161.692946] ? selinux_capable+0x40/0x40 [ 161.693313] ? putname+0xf3/0x130 [ 161.693637] ? security_file_ioctl+0x7d/0xb0 [ 161.694033] ? security_file_ioctl+0x89/0xb0 [ 161.694711] SyS_ioctl+0x8f/0xc0 [ 161.695640] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 161.696452] RIP: 0033:0x435369 [ 161.696996] RSP: 002b:00007ffe81a05c58 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 161.698269] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 161.699490] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002e3 [ 161.700695] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 161.701896] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 161.702962] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 executing program [ 162.321573] syzkaller119955: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 162.322845] syzkaller119955 cpuset=/ mems_allowed=0-1 [ 162.323429] CPU: 1 PID: 3041 Comm: syzkaller119955 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 162.324015] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 162.324616] Call Trace: [ 162.324795] dump_stack+0x194/0x257 [ 162.325042] ? arch_local_irq_restore+0x53/0x53 [ 162.325356] warn_alloc+0x1c2/0x2f0 [ 162.325603] ? zone_watermark_ok_safe+0x430/0x430 [ 162.325929] ? mutex_unlock+0xd/0x10 [ 162.326304] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 162.326979] ? warn_alloc+0x2f0/0x2f0 [ 162.327432] ? SyS_ioctl+0x8f/0xc0 [ 162.327811] ? warn_alloc+0x2f0/0x2f0 [ 162.328343] ? save_stack_trace+0x16/0x20 [ 162.328859] ? check_noncircular+0x20/0x20 [ 162.329347] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 162.329907] ? find_held_lock+0x39/0x1d0 [ 162.330485] ? lock_downgrade+0x990/0x990 [ 162.331003] ? check_same_owner+0x320/0x320 [ 162.331502] ? rcu_note_context_switch+0x710/0x710 [ 162.332072] ? check_noncircular+0x20/0x20 [ 162.332580] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 162.333386] ? __might_sleep+0x95/0x190 [ 162.333963] __alloc_pages_nodemask+0x9f7/0xd80 [ 162.334565] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.335154] ? __alloc_pages_nodemask+0xae5/0xd80 [ 162.335651] ? find_held_lock+0x39/0x1d0 [ 162.336459] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.337110] ? cache_grow_begin+0x31b/0x400 [ 162.337625] cache_grow_begin+0x86/0x400 [ 162.338097] fallback_alloc+0x150/0x2b0 [ 162.338616] ____cache_alloc_node+0x1cf/0x1e0 [ 162.339283] kmem_cache_alloc_trace+0x27d/0x750 [ 162.339816] ? lock_downgrade+0x990/0x990 [ 162.340205] kvm_dev_ioctl+0x216/0x1840 [ 162.340572] ? lock_release+0xd70/0xd70 [ 162.340933] ? install_new_memslots+0x420/0x420 [ 162.341351] ? avc_has_extended_perms+0x7fa/0x12c0 [ 162.341846] ? unwind_get_return_address+0x61/0xa0 [ 162.342354] ? avc_ss_reset+0x110/0x110 [ 162.342815] ? putname+0xee/0x130 [ 162.343148] ? save_stack+0xa3/0xd0 [ 162.343420] ? save_stack_trace+0x16/0x20 [ 162.343875] ? save_stack+0x43/0xd0 [ 162.344402] ? kasan_slab_free+0x71/0xc0 [ 162.344866] ? kmem_cache_free+0x77/0x280 [ 162.345387] ? putname+0xee/0x130 [ 162.345837] ? do_sys_open+0x31b/0x6d0 [ 162.346306] ? __lock_is_held+0xbc/0x140 [ 162.346782] ? check_same_owner+0x320/0x320 [ 162.347177] ? rcu_note_context_switch+0x710/0x710 [ 162.347633] ? install_new_memslots+0x420/0x420 [ 162.348111] do_vfs_ioctl+0x1b1/0x1530 [ 162.348391] ? _cond_resched+0x14/0x30 [ 162.348761] ? ioctl_preallocate+0x2b0/0x2b0 [ 162.349102] ? selinux_capable+0x40/0x40 [ 162.349455] ? putname+0xf3/0x130 [ 162.349793] ? security_file_ioctl+0x7d/0xb0 [ 162.350204] ? security_file_ioctl+0x89/0xb0 [ 162.350593] SyS_ioctl+0x8f/0xc0 [ 162.350922] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 162.351349] RIP: 0033:0x435369 [ 162.351567] RSP: 002b:00007ffe81a05c58 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 162.352284] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 162.352898] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002fd [ 162.353834] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 162.354645] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 162.355474] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 162.360296] syzkaller119955: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 162.361635] syzkaller119955 cpuset=/ mems_allowed=0-1 [ 162.362251] CPU: 1 PID: 3042 Comm: syzkaller119955 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 162.363142] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 162.363921] Call Trace: [ 162.364221] dump_stack+0x194/0x257 [ 162.364549] ? arch_local_irq_restore+0x53/0x53 [ 162.365090] ? isolate_lru_page+0x11d0/0x11d0 [ 162.365553] warn_alloc+0x1c2/0x2f0 [ 162.365933] ? zone_watermark_ok_safe+0x430/0x430 [ 162.366445] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 162.366979] ? warn_alloc+0x2f0/0x2f0 [ 162.367326] ? SyS_ioctl+0x8f/0xc0 [ 162.367694] ? warn_alloc+0x2f0/0x2f0 [ 162.368091] ? save_stack_trace+0x16/0x20 [ 162.368530] ? check_noncircular+0x20/0x20 [ 162.368924] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 162.369439] ? find_held_lock+0x39/0x1d0 [ 162.369888] ? lock_downgrade+0x990/0x990 [ 162.370304] ? check_same_owner+0x320/0x320 [ 162.370702] ? rcu_note_context_switch+0x710/0x710 [ 162.371217] ? check_noncircular+0x20/0x20 [ 162.371623] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 162.372322] ? __might_sleep+0x95/0x190 [ 162.372726] __alloc_pages_nodemask+0x9f7/0xd80 [ 162.373184] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.373720] ? __alloc_pages_nodemask+0xae5/0xd80 [ 162.374212] ? find_held_lock+0x39/0x1d0 [ 162.374695] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.375199] ? cache_grow_begin+0x31b/0x400 [ 162.375640] cache_grow_begin+0x86/0x400 [ 162.375997] fallback_alloc+0x150/0x2b0 [ 162.376348] ____cache_alloc_node+0x1cf/0x1e0 [ 162.376742] kmem_cache_alloc_trace+0x27d/0x750 [ 162.377088] ? lock_downgrade+0x990/0x990 [ 162.377371] kvm_dev_ioctl+0x216/0x1840 [ 162.377725] ? lock_release+0xd70/0xd70 [ 162.378000] ? install_new_memslots+0x420/0x420 [ 162.378941] ? avc_has_extended_perms+0x7fa/0x12c0 [ 162.379346] ? unwind_get_return_address+0x61/0xa0 [ 162.379674] ? avc_ss_reset+0x110/0x110 [ 162.379932] ? putname+0xee/0x130 [ 162.380157] ? save_stack+0xa3/0xd0 [ 162.380397] ? save_stack_trace+0x16/0x20 [ 162.380665] ? save_stack+0x43/0xd0 [ 162.380899] ? kasan_slab_free+0x71/0xc0 [ 162.381162] ? kmem_cache_free+0x77/0x280 [ 162.381448] ? putname+0xee/0x130 [ 162.381788] ? do_sys_open+0x31b/0x6d0 [ 162.382171] ? __lock_is_held+0xbc/0x140 [ 162.382457] ? check_same_owner+0x320/0x320 [ 162.382979] ? rcu_note_context_switch+0x710/0x710 [ 162.383379] ? install_new_memslots+0x420/0x420 [ 162.383841] do_vfs_ioctl+0x1b1/0x1530 [ 162.384090] ? _cond_resched+0x14/0x30 [ 162.384442] ? ioctl_preallocate+0x2b0/0x2b0 [ 162.384742] ? selinux_capable+0x40/0x40 [ 162.385179] ? putname+0xf3/0x130 [ 162.385479] ? security_file_ioctl+0x7d/0xb0 [ 162.385867] ? security_file_ioctl+0x89/0xb0 [ 162.386245] SyS_ioctl+0x8f/0xc0 [ 162.386579] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 162.386916] RIP: 0033:0x435369 [ 162.387232] RSP: 002b:00007ffe81a05c58 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 162.387737] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 162.388432] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000034a [ 162.388985] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 162.394533] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 162.395290] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 162.396124] syzkaller119955 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 162.397087] syzkaller119955 cpuset=/ mems_allowed=0-1 [ 162.397470] CPU: 2 PID: 3047 Comm: syzkaller119955 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 162.398035] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 162.398611] Call Trace: [ 162.398807] dump_stack+0x194/0x257 [ 162.399060] ? arch_local_irq_restore+0x53/0x53 [ 162.400125] ? check_noncircular+0x20/0x20 [ 162.400441] dump_header+0x234/0xa0e [ 162.400717] ? pagefault_out_of_memory+0x152/0x152 [ 162.401111] ? lock_acquire+0x1d5/0x580 [ 162.401525] ? ___ratelimit+0x152/0x630 [ 162.401994] ? do_raw_spin_trylock+0x190/0x190 [ 162.402527] ? mark_held_locks+0xb2/0x100 [ 162.402972] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 162.403539] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 162.404132] ? trace_hardirqs_on+0xd/0x10 [ 162.404571] ? ___ratelimit+0x95/0x630 [ 162.405020] ? idr_get_free+0xff0/0xff0 [ 162.405500] ? lock_downgrade+0x990/0x990 [ 162.405991] ? cred_has_capability+0x1a0/0x3d0 [ 162.406570] oom_kill_process+0x86d/0x13d0 [ 162.407090] ? lock_release+0xd70/0xd70 [ 162.407556] ? oom_evaluate_task+0x480/0x480 [ 162.408006] ? security_capable_noaudit+0x8b/0xc0 [ 162.408494] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 162.409004] ? check_noncircular+0x20/0x20 [ 162.409429] ? has_capability+0x30/0x30 [ 162.409851] ? has_capability_noaudit+0x24/0x30 [ 162.410405] ? oom_badness+0xdf/0xb80 [ 162.410815] ? find_held_lock+0x39/0x1d0 [ 162.411243] ? lock_downgrade+0x990/0x990 [ 162.411674] ? out_of_memory+0x921/0x11d0 [ 162.412125] ? oom_reaper+0x4d0/0x4d0 [ 162.412524] ? lock_release+0xd70/0xd70 [ 162.412935] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 162.413560] ? oom_evaluate_task+0x284/0x480 [ 162.414071] out_of_memory+0x7dd/0x11d0 [ 162.414577] ? oom_killer_disable+0x310/0x310 [ 162.415079] ? mutex_trylock+0x23a/0x2d0 [ 162.415610] ? rcu_pm_notify+0xc0/0xc0 [ 162.416016] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 162.416641] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 162.417288] ? warn_alloc+0x2f0/0x2f0 [ 162.417756] ? do_sys_open+0x2e7/0x6d0 [ 162.418197] ? warn_alloc+0x2f0/0x2f0 [ 162.418639] ? save_stack_trace+0x16/0x20 [ 162.419140] ? check_noncircular+0x20/0x20 [ 162.419626] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 162.420254] ? lru_cache_add+0x1c7/0x3a0 [ 162.420721] ? lru_cache_add_file+0x20/0x20 [ 162.421510] ? find_held_lock+0x39/0x1d0 [ 162.422008] ? check_same_owner+0x320/0x320 [ 162.422483] ? __might_sleep+0x95/0x190 [ 162.422996] __alloc_pages_nodemask+0x9f7/0xd80 [ 162.423540] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.424104] ? __alloc_pages_nodemask+0xae5/0xd80 [ 162.424658] ? find_held_lock+0x39/0x1d0 [ 162.425156] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.425751] ? cache_grow_begin+0x31b/0x400 [ 162.426272] cache_grow_begin+0x86/0x400 [ 162.426756] fallback_alloc+0x150/0x2b0 [ 162.427219] ____cache_alloc_node+0x1cf/0x1e0 [ 162.427707] kmem_cache_alloc+0x287/0x760 [ 162.428167] getname_flags+0xcb/0x580 [ 162.428601] ? do_page_fault+0x70/0x70 [ 162.429003] getname+0x19/0x20 [ 162.429425] do_sys_open+0x2e7/0x6d0 [ 162.429879] ? filp_open+0x70/0x70 [ 162.430287] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 162.430803] SyS_openat+0x30/0x40 [ 162.431161] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 162.431635] RIP: 0033:0x435369 [ 162.431957] RSP: 002b:00007ffe81a05c58 EFLAGS: 00000217 ORIG_RAX: 0000000000000101 [ 162.432825] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 162.433646] RDX: 0000000000000000 RSI: 0000000020ae9000 RDI: ffffffffffffff9c [ 162.434459] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 162.435323] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000000 [ 162.436131] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 162.436991] Mem-Info: [ 162.437415] active_anon:3050 inactive_anon:42 isolated_anon:0 [ 162.437415] active_file:60 inactive_file:118 isolated_file:0 [ 162.437415] unevictable:0 dirty:0 writeback:0 unstable:0 [ 162.437415] slab_reclaimable:53691 slab_unreclaimable:329489 [ 162.437415] mapped:61 shmem:76 pagetables:299 bounce:0 [ 162.437415] free:17883 free_pcp:250 free_cma:0 [ 162.437416] syzkaller119955: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 162.437439] syzkaller119955 cpuset=/ mems_allowed=0-1 [ 162.437450] CPU: 0 PID: 3046 Comm: syzkaller119955 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 162.437453] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 162.437455] Call Trace: [ 162.437463] dump_stack+0x194/0x257 [ 162.437470] ? arch_local_irq_restore+0x53/0x53 [ 162.437477] ? flush_work+0x621/0x930 [ 162.437486] warn_alloc+0x1c2/0x2f0 [ 162.437492] ? zone_watermark_ok_safe+0x430/0x430 [ 162.437496] ? mutex_unlock+0xd/0x10 [ 162.437516] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 162.437560] ? warn_alloc+0x2f0/0x2f0 [ 162.437566] ? SyS_ioctl+0x8f/0xc0 [ 162.437573] ? warn_alloc+0x2f0/0x2f0 [ 162.437580] ? save_stack_trace+0x16/0x20 [ 162.437593] ? check_noncircular+0x20/0x20 [ 162.437604] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 162.437622] ? find_held_lock+0x39/0x1d0 [ 162.437643] ? lock_downgrade+0x990/0x990 [ 162.437677] ? check_same_owner+0x320/0x320 [ 162.437689] ? rcu_note_context_switch+0x710/0x710 [ 162.437696] ? check_noncircular+0x20/0x20 [ 162.437703] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 162.437710] ? __might_sleep+0x95/0x190 [ 162.437718] __alloc_pages_nodemask+0x9f7/0xd80 [ 162.437727] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.437731] ? __alloc_pages_nodemask+0xae5/0xd80 [ 162.437737] ? find_held_lock+0x39/0x1d0 [ 162.437743] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.437764] ? cache_grow_begin+0x31b/0x400 [ 162.437774] cache_grow_begin+0x86/0x400 [ 162.437785] fallback_alloc+0x150/0x2b0 [ 162.437796] ____cache_alloc_node+0x1cf/0x1e0 [ 162.437804] kmem_cache_alloc_trace+0x27d/0x750 [ 162.437809] ? lock_downgrade+0x990/0x990 [ 162.437821] kvm_dev_ioctl+0x216/0x1840 [ 162.437829] ? lock_release+0xd70/0xd70 [ 162.437835] ? install_new_memslots+0x420/0x420 [ 162.437850] ? avc_has_extended_perms+0x7fa/0x12c0 [ 162.437855] ? unwind_get_return_address+0x61/0xa0 [ 162.437869] ? avc_ss_reset+0x110/0x110 [ 162.437875] ? putname+0xee/0x130 [ 162.437880] ? save_stack+0xa3/0xd0 [ 162.437885] ? save_stack_trace+0x16/0x20 [ 162.437888] ? save_stack+0x43/0xd0 [ 162.437891] ? kasan_slab_free+0x71/0xc0 [ 162.437895] ? kmem_cache_free+0x77/0x280 [ 162.437898] ? putname+0xee/0x130 [ 162.437901] ? do_sys_open+0x31b/0x6d0 [ 162.437909] ? __lock_is_held+0xbc/0x140 [ 162.437926] ? check_same_owner+0x320/0x320 [ 162.437934] ? rcu_note_context_switch+0x710/0x710 [ 162.437945] ? install_new_memslots+0x420/0x420 [ 162.437949] do_vfs_ioctl+0x1b1/0x1530 [ 162.437952] ? _cond_resched+0x14/0x30 [ 162.437960] ? ioctl_preallocate+0x2b0/0x2b0 [ 162.437967] ? selinux_capable+0x40/0x40 [ 162.437972] ? putname+0xf3/0x130 [ 162.437988] ? security_file_ioctl+0x7d/0xb0 [ 162.437991] ? security_file_ioctl+0x89/0xb0 [ 162.437999] SyS_ioctl+0x8f/0xc0 [ 162.438012] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 162.438016] RIP: 0033:0x435369 executing program executing program [ 162.438018] RSP: 002b:00007ffe81a05c58 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 162.438023] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 162.438026] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002d7 [ 162.438028] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 executing program executing program executing program executing program executing program executing program executing program executing program [ 162.438031] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 162.438033] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 162.445584] syzkaller119955: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 162.445597] syzkaller119955 cpuset=/ mems_allowed=0-1 [ 162.445610] CPU: 0 PID: 3044 Comm: syzkaller119955 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 162.445613] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 162.445615] Call Trace: [ 162.445622] dump_stack+0x194/0x257 [ 162.445629] ? arch_local_irq_restore+0x53/0x53 [ 162.445635] ? flush_work+0x621/0x930 [ 162.445645] warn_alloc+0x1c2/0x2f0 [ 162.445650] ? zone_watermark_ok_safe+0x430/0x430 [ 162.445654] ? mutex_unlock+0xd/0x10 [ 162.445677] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 162.445718] ? warn_alloc+0x2f0/0x2f0 [ 162.445724] ? SyS_ioctl+0x8f/0xc0 [ 162.445732] ? warn_alloc+0x2f0/0x2f0 [ 162.445739] ? save_stack_trace+0x16/0x20 [ 162.445752] ? check_noncircular+0x20/0x20 [ 162.445766] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 162.445780] ? find_held_lock+0x39/0x1d0 [ 162.445793] ? lock_downgrade+0x990/0x990 [ 162.445813] ? check_same_owner+0x320/0x320 [ 162.445820] ? rcu_note_context_switch+0x710/0x710 [ 162.445824] ? check_noncircular+0x20/0x20 [ 162.445829] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 162.445837] ? __might_sleep+0x95/0x190 [ 162.445845] __alloc_pages_nodemask+0x9f7/0xd80 [ 162.445853] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.445858] ? __alloc_pages_nodemask+0xae5/0xd80 [ 162.445863] ? find_held_lock+0x39/0x1d0 [ 162.445869] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.445890] ? cache_grow_begin+0x31b/0x400 [ 162.445899] cache_grow_begin+0x86/0x400 [ 162.445911] fallback_alloc+0x150/0x2b0 [ 162.445922] ____cache_alloc_node+0x1cf/0x1e0 [ 162.445930] kmem_cache_alloc_trace+0x27d/0x750 [ 162.445937] ? lock_downgrade+0x990/0x990 [ 162.445958] kvm_dev_ioctl+0x216/0x1840 [ 162.445967] ? lock_release+0xd70/0xd70 [ 162.445973] ? install_new_memslots+0x420/0x420 [ 162.445989] ? avc_has_extended_perms+0x7fa/0x12c0 [ 162.445993] ? unwind_get_return_address+0x61/0xa0 [ 162.446007] ? avc_ss_reset+0x110/0x110 [ 162.446012] ? putname+0xee/0x130 [ 162.446017] ? save_stack+0xa3/0xd0 [ 162.446022] ? save_stack_trace+0x16/0x20 [ 162.446026] ? save_stack+0x43/0xd0 [ 162.446030] ? kasan_slab_free+0x71/0xc0 [ 162.446035] ? kmem_cache_free+0x77/0x280 [ 162.446038] ? putname+0xee/0x130 [ 162.446041] ? do_sys_open+0x31b/0x6d0 [ 162.446049] ? __lock_is_held+0xbc/0x140 [ 162.446066] ? check_same_owner+0x320/0x320 [ 162.446073] ? rcu_note_context_switch+0x710/0x710 [ 162.446083] ? install_new_memslots+0x420/0x420 [ 162.446087] do_vfs_ioctl+0x1b1/0x1530 [ 162.446090] ? _cond_resched+0x14/0x30 [ 162.446098] ? ioctl_preallocate+0x2b0/0x2b0 [ 162.446107] ? selinux_capable+0x40/0x40 [ 162.446114] ? putname+0xf3/0x130 [ 162.446130] ? security_file_ioctl+0x7d/0xb0 [ 162.446133] ? security_file_ioctl+0x89/0xb0 [ 162.446141] SyS_ioctl+0x8f/0xc0 [ 162.446149] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 162.446153] RIP: 0033:0x435369 [ 162.446155] RSP: 002b:00007ffe81a05c58 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 162.446160] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 162.446163] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002f1 [ 162.446166] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 162.446168] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 162.446171] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 162.519902] Node 0 active_anon:2508kB inactive_anon:96kB active_file:60kB inactive_file:96kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48kB dirty:0kB writeback:0kB shmem:132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 162.522360] Node 1 active_anon:9692kB inactive_anon:72kB active_file:12kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:172kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 162.524130] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:24kB 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 [ 162.525891] lowmem_reserve[]: 0 886 886 886 [ 162.526231] Node 0 DMA32 free:36352kB min:36536kB low:45668kB high:54800kB active_anon:2484kB inactive_anon:96kB active_file:60kB inactive_file:96kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2528kB pagetables:488kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 162.528166] lowmem_reserve[]: 0 0 0 0 [ 162.528409] Node 1 DMA32 free:31556kB min:30404kB low:38004kB high:45604kB active_anon:9692kB inactive_anon:72kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1344kB pagetables:708kB bounce:0kB free_pcp:764kB local_pcp:0kB free_cma:0kB [ 162.530023] lowmem_reserve[]: 0 0 0 0 [ 162.530363] Node 0 DMA: 0*4kB 1*8kB (M) 1*16kB (U) 2*32kB (UM) 2*64kB (ME) 1*128kB (M) 1*256kB (M) 1*512kB (M) 3*1024kB (UME) 0*2048kB 0*4096kB = 4184kB [ 162.531258] Node 0 DMA32: 236*4kB (UME) 320*8kB (UMEH) 205*16kB (UMEH) 156*32kB (UMEH) 66*64kB (UM) 19*128kB (UME) 14*256kB (UME) 4*512kB (ME) 2*1024kB (ME) 3*2048kB (UM) 1*4096kB (M) = 36352kB [ 162.532384] Node 1 DMA32: 185*4kB (M) 651*8kB (UMH) 487*16kB (UMEH) 149*32kB (UMH) 27*64kB (UME) 12*128kB (UME) 16*256kB (UM) 1*512kB (U) 3*1024kB (UME) 1*2048kB (M) 0*4096kB = 31500kB [ 162.533438] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 162.533918] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 162.534435] 122 total pagecache pages [ 162.534660] 0 pages in swap cache [ 162.534858] Swap cache stats: add 0, delete 0, find 0/0 [ 162.535188] Free swap = 0kB [ 162.535362] Total swap = 0kB [ 162.535546] 524186 pages RAM [ 162.535720] 0 pages HighMem/MovableOnly [ 162.535946] 103968 pages reserved [ 162.536182] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 162.536721] [ 1511] 0 1511 7089 1876 20 3 0 -1000 udevd [ 162.537279] [ 2923] 0 2923 14244 166 23 3 0 0 rsyslogd [ 162.537794] [ 2960] 0 2960 4725 49 15 3 0 0 cron [ 162.538311] [ 2986] 0 2986 12490 152 29 3 0 -1000 sshd [ 162.538814] [ 3010] 0 3010 3694 39 13 3 0 0 getty [ 162.539336] [ 3011] 0 3011 3694 41 13 3 0 0 getty [ 162.539839] [ 3012] 0 3012 3694 39 12 3 0 0 getty [ 162.540372] [ 3013] 0 3013 3694 40 13 3 0 0 getty [ 162.540876] [ 3014] 0 3014 3694 42 12 3 0 0 getty [ 162.541396] [ 3015] 0 3015 3694 39 13 3 0 0 getty [ 162.541901] [ 3016] 0 3016 3649 40 12 3 0 0 getty [ 162.542424] [ 3017] 0 3017 5405 192 15 3 0 -1000 udevd [ 162.543509] [ 3018] 0 3018 5405 192 15 3 0 -1000 udevd [ 162.544000] [ 3038] 0 3038 17820 197 40 3 0 0 sshd [ 162.544536] [ 3040] 0 3040 271 1 4 2 0 0 syzkaller119955 [ 162.545108] [ 3041] 0 3041 4366 12 5 2 0 0 syzkaller119955 [ 162.545658] [ 3042] 0 3042 4366 12 5 2 0 0 syzkaller119955 [ 162.546227] [ 3043] 0 3043 4366 12 5 2 0 0 syzkaller119955 [ 162.546791] [ 3044] 0 3044 4366 12 5 2 0 0 syzkaller119955 [ 162.547361] [ 3045] 0 3045 4366 12 5 2 0 0 syzkaller119955 [ 162.548055] [ 3046] 0 3046 4366 12 5 2 0 0 syzkaller119955 [ 162.548854] [ 3047] 0 3047 4366 12 5 2 0 0 syzkaller119955 [ 162.549848] [ 3048] 0 3048 4366 12 5 2 0 0 syzkaller119955 [ 162.550756] Out of memory: Kill process 3038 (sshd) score 0 or sacrifice child [ 162.551527] Killed process 3040 (syzkaller119955) total-vm:1084kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 162.664215] udevd invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=-1000 [ 162.665121] udevd cpuset=/ mems_allowed=0-1 [ 162.665455] CPU: 3 PID: 3017 Comm: udevd Not tainted 4.13.0-rc6-next-20170824+ #8 [ 162.665962] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 162.666516] Call Trace: [ 162.666713] dump_stack+0x194/0x257 [ 162.666963] ? arch_local_irq_restore+0x53/0x53 [ 162.667280] ? check_noncircular+0x20/0x20 [ 162.667572] dump_header+0x234/0xa0e [ 162.667832] ? pagefault_out_of_memory+0x152/0x152 [ 162.668168] ? lock_acquire+0x1d5/0x580 [ 162.668438] ? ___ratelimit+0x152/0x630 [ 162.668712] ? do_raw_spin_trylock+0x190/0x190 [ 162.669027] ? mark_held_locks+0xb2/0x100 [ 162.669309] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 162.669656] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 162.669994] ? trace_hardirqs_on+0xd/0x10 [ 162.670277] ? ___ratelimit+0x95/0x630 [ 162.670549] ? idr_get_free+0xff0/0xff0 [ 162.670823] ? lock_downgrade+0x990/0x990 [ 162.671153] ? cred_has_capability+0x1a0/0x3d0 [ 162.671629] oom_kill_process+0x86d/0x13d0 [ 162.672013] ? lock_release+0xd70/0xd70 [ 162.672298] ? oom_evaluate_task+0x480/0x480 [ 162.672599] ? security_capable_noaudit+0x8b/0xc0 [ 162.672929] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 162.673411] ? check_noncircular+0x20/0x20 [ 162.673839] ? has_capability+0x30/0x30 [ 162.674261] ? has_capability_noaudit+0x24/0x30 [ 162.674747] ? oom_badness+0xdf/0xb80 [ 162.675150] ? find_held_lock+0x39/0x1d0 [ 162.675574] ? lock_downgrade+0x990/0x990 [ 162.676004] ? out_of_memory+0x921/0x11d0 [ 162.676889] ? oom_reaper+0x4d0/0x4d0 [ 162.677290] ? lock_release+0xd70/0xd70 [ 162.677690] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 162.678204] ? oom_evaluate_task+0x284/0x480 [ 162.678670] out_of_memory+0x7dd/0x11d0 [ 162.679091] ? oom_killer_disable+0x310/0x310 [ 162.679097] ? mutex_trylock+0x23a/0x2d0 [ 162.679108] ? rcu_pm_notify+0xc0/0xc0 [ 162.679117] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 162.679140] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 162.679214] ? warn_alloc+0x2f0/0x2f0 [ 162.679224] ? SyS_readlink+0x12d/0x3a0 [ 162.679238] ? warn_alloc+0x2f0/0x2f0 [ 162.679248] ? save_stack_trace+0x16/0x20 [ 162.679256] ? __check_object_size+0x25d/0x4f0 [ 162.679261] ? skb_to_sgvec_nomark+0x40/0x40 [ 162.679270] ? check_noncircular+0x20/0x20 [ 162.679281] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 162.679288] ? check_noncircular+0x20/0x20 [ 162.679295] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 162.679302] ? find_held_lock+0x39/0x1d0 [ 162.679332] ? check_same_owner+0x320/0x320 [ 162.679344] ? __might_sleep+0x95/0x190 [ 162.679351] __alloc_pages_nodemask+0x9f7/0xd80 [ 162.679360] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.679364] ? __alloc_pages_nodemask+0xae5/0xd80 [ 162.679370] ? find_held_lock+0x39/0x1d0 [ 162.679376] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.679396] ? cache_grow_begin+0x31b/0x400 [ 162.679406] cache_grow_begin+0x86/0x400 [ 162.679414] fallback_alloc+0x150/0x2b0 [ 162.679425] ____cache_alloc_node+0x1cf/0x1e0 [ 162.679433] kmem_cache_alloc+0x287/0x760 [ 162.679446] getname_flags+0xcb/0x580 [ 162.679450] ? __sys_recvmsg+0xe2/0x210 [ 162.679453] ? __sys_recvmsg+0x138/0x210 Connection to localhost closed by remote host. [ 162.679461] user_path_at_empty+0x2d/0x50 [ 162.679468] SyS_readlink+0x12d/0x3a0 [ 162.679478] ? SyS_readlinkat+0x3b0/0x3b0 [ 162.679483] ? entry_SYSCALL_64_fastpath+0x5/0xbe [ 162.679489] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 162.679496] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 162.679505] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 162.679509] RIP: 0033:0x7fcbae599577 [ 162.679512] RSP: 002b:00007fff9b264b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 [ 162.679517] RAX: ffffffffffffffda RBX: 0000000000b4a030 RCX: 00007fcbae599577 [ 162.679520] RDX: 0000000000000400 RSI: 00007fff9b264b20 RDI: 00007fff9b265000 [ 162.679522] RBP: 0000000000000086 R08: 6d766b2f6373696d R09: 000000000000000d [ 162.679525] R10: 001d4fb861800000 R11: 0000000000000246 R12: 00000000ffffffff [ 162.679527] R13: 0000000000b5b620 R14: 0000000000000006 R15: 0000000000000ae8 [ 162.679571] Mem-Info: [ 162.679579] active_anon:3044 inactive_anon:42 isolated_anon:0 [ 162.679579] active_file:27 inactive_file:30 isolated_file:0 [ 162.679579] unevictable:0 dirty:0 writeback:0 unstable:0 [ 162.679579] slab_reclaimable:53695 slab_unreclaimable:329511 [ 162.679579] mapped:10 shmem:76 pagetables:295 bounce:0 [ 162.679579] free:18171 free_pcp:0 free_cma:0 [ 162.679585] Node 0 active_anon:2484kB inactive_anon:96kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 162.679591] Node 1 active_anon:9692kB inactive_anon:72kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:172kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 162.679593] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:24kB 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 [ 162.679601] lowmem_reserve[]: 0 886 886 886 [ 162.679612] Node 0 DMA32 free:36428kB min:36536kB low:45668kB high:54800kB active_anon:2460kB inactive_anon:96kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2528kB pagetables:472kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 162.679620] lowmem_reserve[]: 0 0 0 0 [ 162.679631] Node 1 DMA32 free:32072kB min:30404kB low:38004kB high:45604kB active_anon:9692kB inactive_anon:72kB active_file:52kB inactive_file:64kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1312kB pagetables:708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 162.679639] lowmem_reserve[]: 0 0 0 0 [ 162.679650] Node 0 DMA: 0*4kB 1*8kB (M) 1*16kB (U) 2*32kB (UM) 2*64kB (ME) 1*128kB (M) 1*256kB (M) 1*512kB (M) 3*1024kB (UME) 0*2048kB 0*4096kB = 4184kB [ 162.679694] Node 0 DMA32: 251*4kB (UME) 318*8kB (UMH) 205*16kB (UMEH) 157*32kB (UMEH) 66*64kB (UM) 19*128kB (UME) 14*256kB (UME) 4*512kB (ME) 2*1024kB (ME) 3*2048kB (UM) 1*4096kB (M) = 36428kB [ 162.679744] Node 1 DMA32: 279*4kB (UM) 703*8kB (UMH) 487*16kB (UMEH) 150*32kB (UMH) 27*64kB (UME) 12*128kB (UME) 16*256kB (UM) 1*512kB (U) 3*1024kB (UME) 1*2048kB (M) 0*4096kB = 32324kB [ 162.679792] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 162.679795] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 162.679797] 133 total pagecache pages [ 162.679802] 0 pages in swap cache [ 162.679805] Swap cache stats: add 0, delete 0, find 0/0 [ 162.679807] Free swap = 0kB [ 162.679809] Total swap = 0kB [ 162.679811] 524186 pages RAM [ 162.679813] 0 pages HighMem/MovableOnly [ 162.679815] 103968 pages reserved [ 162.679817] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 162.679835] [ 1511] 0 1511 7089 1876 20 3 0 -1000 udevd [ 162.679842] [ 2923] 0 2923 14244 166 23 3 0 0 rsyslogd [ 162.679849] [ 2960] 0 2960 4725 49 15 3 0 0 cron [ 162.679855] [ 2986] 0 2986 12490 152 29 3 0 -1000 sshd [ 162.679862] [ 3010] 0 3010 3694 39 13 3 0 0 getty [ 162.679868] [ 3011] 0 3011 3694 41 13 3 0 0 getty [ 162.679875] [ 3012] 0 3012 3694 39 12 3 0 0 getty [ 162.679881] [ 3013] 0 3013 3694 40 13 3 0 0 getty [ 162.679888] [ 3014] 0 3014 3694 42 12 3 0 0 getty [ 162.679894] [ 3015] 0 3015 3694 39 13 3 0 0 getty [ 162.679901] [ 3016] 0 3016 3649 40 12 3 0 0 getty [ 162.679907] [ 3017] 0 3017 5405 192 15 3 0 -1000 udevd [ 162.679913] [ 3018] 0 3018 5405 192 15 3 0 -1000 udevd [ 162.679919] [ 3038] 0 3038 17820 197 40 3 0 0 sshd [ 162.679926] [ 3041] 0 3041 4366 12 5 2 0 0 syzkaller119955 [ 162.679933] [ 3042] 0 3042 4366 12 5 2 0 0 syzkaller119955 [ 162.679939] [ 3043] 0 3043 4366 12 5 2 0 0 syzkaller119955 [ 162.679946] [ 3044] 0 3044 4366 12 5 2 0 0 syzkaller119955 [ 162.679952] [ 3045] 0 3045 4366 12 5 2 0 0 syzkaller119955 [ 162.679959] [ 3046] 0 3046 4366 12 5 2 0 0 syzkaller119955 [ 162.679965] [ 3047] 0 3047 4366 12 5 2 0 0 syzkaller119955 [ 162.679971] [ 3048] 0 3048 4366 12 5 2 0 0 syzkaller119955 [ 162.679975] Out of memory: Kill process 3038 (sshd) score 0 or sacrifice child [ 162.679988] Killed process 3038 (sshd) total-vm:71280kB, anon-rss:784kB, file-rss:0kB, shmem-rss:4kB [ 162.684164] oom_reaper: reaped process 3038 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB [ 162.689497] sshd (3038) used greatest stack depth: 13184 bytes left [ 162.880570] syzkaller119955: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 162.881509] syzkaller119955 cpuset=/ mems_allowed=0-1 [ 162.881874] CPU: 0 PID: 3047 Comm: syzkaller119955 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 162.882560] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 162.883173] Call Trace: [ 162.883575] dump_stack+0x194/0x257 [ 162.883855] ? arch_local_irq_restore+0x53/0x53 [ 162.884267] ? flush_work+0x621/0x930 [ 162.884531] warn_alloc+0x1c2/0x2f0 [ 162.884794] ? zone_watermark_ok_safe+0x430/0x430 [ 162.885133] ? mutex_unlock+0xd/0x10 [ 162.885412] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 162.885788] ? warn_alloc+0x2f0/0x2f0 [ 162.886048] ? SyS_ioctl+0x8f/0xc0 [ 162.886303] ? warn_alloc+0x2f0/0x2f0 [ 162.886618] ? save_stack_trace+0x16/0x20 [ 162.886914] ? alloc_set_pte+0x1162/0x18f0 [ 162.887208] ? check_noncircular+0x20/0x20 [ 162.887579] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 162.887959] ? find_held_lock+0x39/0x1d0 [ 162.888289] ? lock_downgrade+0x990/0x990 [ 162.888652] ? check_same_owner+0x320/0x320 [ 162.889030] ? rcu_note_context_switch+0x710/0x710 [ 162.889415] ? check_noncircular+0x20/0x20 [ 162.889705] ? __might_sleep+0x95/0x190 [ 162.890398] __alloc_pages_nodemask+0x9f7/0xd80 [ 162.890762] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.891109] ? __alloc_pages_nodemask+0xae5/0xd80 [ 162.891441] ? find_held_lock+0x39/0x1d0 [ 162.891728] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.892091] ? cache_grow_begin+0x31b/0x400 [ 162.892382] cache_grow_begin+0x86/0x400 [ 162.892694] fallback_alloc+0x150/0x2b0 [ 162.892964] ____cache_alloc_node+0x1cf/0x1e0 [ 162.893281] kmem_cache_alloc_trace+0x27d/0x750 [ 162.893606] ? lock_downgrade+0x990/0x990 [ 162.893897] kvm_dev_ioctl+0x216/0x1840 [ 162.894170] ? lock_release+0xd70/0xd70 [ 162.894442] ? install_new_memslots+0x420/0x420 [ 162.894768] ? check_noncircular+0x20/0x20 [ 162.895059] ? __handle_mm_fault+0x587/0x39c0 [ 162.895370] ? avc_has_extended_perms+0x7fa/0x12c0 [ 162.895723] ? avc_ss_reset+0x110/0x110 [ 162.896000] ? lock_downgrade+0x990/0x990 [ 162.896301] ? check_same_owner+0x320/0x320 [ 162.896601] ? __handle_mm_fault+0x39c0/0x39c0 [ 162.896912] ? vmacache_find+0x61/0x270 [ 162.897195] ? rcu_note_context_switch+0x710/0x710 [ 162.897564] ? install_new_memslots+0x420/0x420 [ 162.897928] do_vfs_ioctl+0x1b1/0x1530 [ 162.898228] ? _cond_resched+0x14/0x30 [ 162.898497] ? ioctl_preallocate+0x2b0/0x2b0 [ 162.898818] ? selinux_capable+0x40/0x40 [ 162.899096] ? putname+0xf3/0x130 [ 162.899415] ? security_file_ioctl+0x7d/0xb0 [ 162.899764] ? security_file_ioctl+0x89/0xb0 [ 162.900093] SyS_ioctl+0x8f/0xc0 [ 162.900328] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 162.900661] RIP: 0033:0x435369 [ 162.900878] RSP: 002b:00007ffe81a05c58 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 162.901453] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 162.901975] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002c5 [ 162.902539] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 162.903062] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 162.903623] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 162.904273] warn_alloc_show_mem: 5 callbacks suppressed [ 162.904814] Mem-Info: [ 162.905138] active_anon:2820 inactive_anon:41 isolated_anon:0 [ 162.905138] active_file:37 inactive_file:43 isolated_file:0 [ 162.905138] unevictable:0 dirty:6 writeback:0 unstable:0 [ 162.905138] slab_reclaimable:53702 slab_unreclaimable:329168 [ 162.905138] mapped:11 shmem:75 pagetables:235 bounce:0 [ 162.905138] free:18844 free_pcp:29 free_cma:0 [ 162.907415] Node 0 active_anon:2392kB inactive_anon:96kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:16kB writeback:0kB shmem:132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 162.909290] Node 1 active_anon:8888kB inactive_anon:68kB active_file:128kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:8kB writeback:0kB shmem:168kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 162.911217] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:24kB 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 [ 162.913464] lowmem_reserve[]: 0 886 886 886 [ 162.913864] Node 0 DMA32 free:38052kB min:36536kB low:45668kB high:54800kB active_anon:2368kB inactive_anon:96kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:16kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2496kB pagetables:408kB bounce:0kB free_pcp:88kB local_pcp:0kB free_cma:0kB [ 162.915620] lowmem_reserve[]: 0 0 0 0 [ 162.915983] Node 1 DMA32 free:32884kB min:30404kB low:38004kB high:45604kB active_anon:8888kB inactive_anon:68kB active_file:248kB inactive_file:252kB unevictable:0kB writepending:8kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1312kB pagetables:532kB bounce:0kB free_pcp:200kB local_pcp:0kB free_cma:0kB [ 162.917969] lowmem_reserve[]: 0 0 0 0 [ 162.918237] Node 0 DMA: 0*4kB 1*8kB (M) 1*16kB (U) 2*32kB (UM) 2*64kB (ME) 1*128kB (M) 1*256kB (M) 1*512kB (M) 3*1024kB (UME) 0*2048kB 0*4096kB = 4184kB [ 162.919223] Node 0 DMA32: 277*4kB (UM) 394*8kB (UMH) 220*16kB (UMEH) 166*32kB (UMEH) 66*64kB (UM) 22*128kB (UME) 14*256kB (UME) 4*512kB (ME) 2*1024kB (ME) 3*2048kB (UM) 1*4096kB (M) = 38052kB [ 162.920641] Node 1 DMA32: 228*4kB (UM) 692*8kB (UMEH) 481*16kB (UMH) 174*32kB (UMH) 30*64kB (UME) 13*128kB (UME) 16*256kB (UM) 1*512kB (U) 3*1024kB (UME) 1*2048kB (M) 0*4096kB = 33024kB [ 162.921993] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 162.922707] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 162.923407] 197 total pagecache pages [ 162.923756] 0 pages in swap cache [ 162.924102] Swap cache stats: add 0, delete 0, find 0/0 [ 162.924504] Free swap = 0kB [ 162.924779] Total swap = 0kB [ 162.925122] 524186 pages RAM [ 162.925333] 0 pages HighMem/MovableOnly [ 162.925622] 103968 pages reserved [ 162.961145] syzkaller119955 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 162.962702] syzkaller119955 cpuset=/ mems_allowed=0-1 [ 162.963254] CPU: 1 PID: 3042 Comm: syzkaller119955 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 162.964047] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 162.964754] Call Trace: [ 162.964963] dump_stack+0x194/0x257 [ 162.965294] ? arch_local_irq_restore+0x53/0x53 [ 162.965687] ? check_noncircular+0x20/0x20 [ 162.966084] dump_header+0x234/0xa0e [ 162.966343] ? pagefault_out_of_memory+0x152/0x152 [ 162.966794] ? lock_acquire+0x1d5/0x580 [ 162.967093] ? ___ratelimit+0x152/0x630 [ 162.967616] ? do_raw_spin_trylock+0x190/0x190 [ 162.968139] ? mark_held_locks+0xb2/0x100 [ 162.968558] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 162.969070] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 162.969547] ? trace_hardirqs_on+0xd/0x10 [ 162.969836] ? ___ratelimit+0x95/0x630 [ 162.970192] ? idr_get_free+0xff0/0xff0 [ 162.970457] ? lock_downgrade+0x990/0x990 [ 162.970820] ? cred_has_capability+0x1a0/0x3d0 [ 162.971278] oom_kill_process+0x86d/0x13d0 [ 162.971617] ? lock_release+0xd70/0xd70 [ 162.972069] ? oom_evaluate_task+0x480/0x480 [ 162.972550] ? security_capable_noaudit+0x8b/0xc0 [ 162.972987] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 162.973358] ? check_noncircular+0x20/0x20 [ 162.973726] ? has_capability+0x30/0x30 [ 162.974046] ? has_capability_noaudit+0x24/0x30 [ 162.974546] ? oom_badness+0xdf/0xb80 [ 162.974897] ? find_held_lock+0x39/0x1d0 [ 162.975649] ? lock_downgrade+0x990/0x990 [ 162.976088] ? out_of_memory+0x921/0x11d0 [ 162.976381] ? oom_reaper+0x4d0/0x4d0 [ 162.976718] ? lock_release+0xd70/0xd70 [ 162.977010] ? blocking_notifier_call_chain+0x112/0x190 [ 162.977597] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 162.978141] ? oom_evaluate_task+0x284/0x480 [ 162.978608] out_of_memory+0x7dd/0x11d0 [ 162.978972] ? oom_killer_disable+0x310/0x310 [ 162.979287] ? mutex_trylock+0x23a/0x2d0 [ 162.979654] ? rcu_pm_notify+0xc0/0xc0 [ 162.980003] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 162.980376] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 162.980789] ? warn_alloc+0x2f0/0x2f0 [ 162.981145] ? kvm_put_kvm+0x181/0xdf0 [ 162.981494] ? warn_alloc+0x2f0/0x2f0 [ 162.981748] ? save_stack_trace+0x16/0x20 [ 162.982187] ? check_noncircular+0x20/0x20 [ 162.982662] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 162.983192] ? check_noncircular+0x20/0x20 [ 162.983616] ? find_held_lock+0x39/0x1d0 [ 162.984059] ? check_same_owner+0x320/0x320 [ 162.984500] ? __might_sleep+0x95/0x190 [ 162.984903] __alloc_pages_nodemask+0x9f7/0xd80 [ 162.985417] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.985997] ? __alloc_pages_nodemask+0xae5/0xd80 [ 162.986599] ? find_held_lock+0x39/0x1d0 [ 162.987099] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 162.987728] ? cache_grow_begin+0x31b/0x400 [ 162.988211] cache_grow_begin+0x86/0x400 [ 162.988616] fallback_alloc+0x150/0x2b0 [ 162.989020] ____cache_alloc_node+0x1cf/0x1e0 [ 162.989475] kmem_cache_alloc_trace+0x27d/0x750 [ 162.989935] ? rcu_pm_notify+0xc0/0xc0 [ 162.990455] ? devm_device_remove_groups+0x50/0x50 [ 162.990992] kobject_uevent_env+0x1ea/0xb20 [ 162.991519] ? quarantine_put+0xeb/0x190 [ 162.991933] ? kfree+0xe4/0x250 [ 162.992339] ? kvm_uevent_notify_change.part.38+0x317/0x430 [ 162.993049] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 162.993700] kvm_uevent_notify_change.part.38+0x394/0x430 [ 162.994377] ? kvm_put_kvm+0xdf0/0xdf0 [ 162.994859] kvm_put_kvm+0x181/0xdf0 [ 162.995262] ? kvm_clear_guest+0xb0/0xb0 [ 162.995748] ? fcntl_setlk+0x10d0/0x10d0 [ 162.996212] ? _raw_spin_unlock_irq+0x27/0x70 [ 162.997033] ? kvm_irqfd_release+0xdd/0x120 [ 162.997509] ? kvm_irqfd_release+0xdd/0x120 [ 162.997949] ? kvm_put_kvm+0xdf0/0xdf0 [ 162.998361] kvm_vm_release+0x42/0x50 [ 162.998788] __fput+0x333/0x7f0 [ 162.999133] ? fput+0x140/0x140 [ 162.999499] ? check_same_owner+0x320/0x320 [ 162.999968] ? _raw_spin_unlock_irq+0x27/0x70 [ 163.000425] ____fput+0x15/0x20 [ 163.000809] task_work_run+0x199/0x270 [ 163.001227] ? task_work_cancel+0x210/0x210 [ 163.001697] ? _raw_spin_unlock+0x22/0x30 [ 163.002150] ? switch_task_namespaces+0x87/0xc0 [ 163.002667] do_exit+0xa52/0x1b40 [ 163.003052] ? try_to_wake_up+0xbc/0x1600 [ 163.003480] ? save_stack_trace+0x16/0x20 [ 163.003889] ? __asan_loadN+0x1/0x20 [ 163.004257] ? mm_update_next_owner+0x930/0x930 [ 163.004718] ? __send_signal+0xde2/0x17a0 [ 163.005130] ? send_signal+0x4a/0xc0 [ 163.005504] ? __vfs_write+0x68a/0x970 [ 163.005893] ? vfs_write+0x18f/0x510 [ 163.006265] ? SyS_write+0xef/0x220 [ 163.006644] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 163.007147] ? trace_hardirqs_off+0xd/0x10 [ 163.007574] ? _raw_spin_unlock_irqrestore+0xa6/0xba [ 163.008090] ? try_to_wake_up+0xf9/0x1600 [ 163.008515] ? find_held_lock+0x39/0x1d0 [ 163.008943] ? migrate_swap_stop+0x970/0x970 [ 163.009429] ? lock_downgrade+0x990/0x990 [ 163.009877] ? check_noncircular+0x20/0x20 [ 163.010362] ? find_held_lock+0x39/0x1d0 [ 163.010815] ? find_held_lock+0x39/0x1d0 [ 163.011277] ? lock_downgrade+0x990/0x990 [ 163.011752] ? recalc_sigpending_tsk+0x107/0x150 [ 163.012225] ? recalc_sigpending+0x103/0x160 [ 163.012668] ? recalc_sigpending_tsk+0x150/0x150 [ 163.013197] ? get_signal+0x397/0x17e0 [ 163.013693] do_group_exit+0x149/0x400 [ 163.014160] ? __lock_is_held+0xbc/0x140 [ 163.014708] ? SyS_exit+0x30/0x30 [ 163.015086] ? _raw_spin_unlock_irq+0x27/0x70 [ 163.015541] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 163.016132] get_signal+0x7e8/0x17e0 [ 163.016578] ? ptrace_notify+0x130/0x130 [ 163.017029] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 163.017532] ? mark_held_locks+0xb2/0x100 [ 163.018046] ? wait_for_completion+0x770/0x770 [ 163.018413] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 163.018840] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 163.019164] ? trace_hardirqs_on+0xd/0x10 [ 163.019523] do_signal+0x94/0x1ee0 [ 163.019754] ? __lock_task_sighand+0x6e0/0x6e0 [ 163.020151] ? lock_downgrade+0x990/0x990 [ 163.020422] ? setup_sigcontext+0x7d0/0x7d0 [ 163.020798] ? mutex_unlock+0xd/0x10 [ 163.021129] ? pipe_write+0x5eb/0xd70 [ 163.021381] ? iov_iter_init+0xaf/0x1d0 [ 163.021746] ? default_llseek+0x2a0/0x2a0 [ 163.022030] ? selinux_capset+0x100/0x100 [ 163.022409] ? exit_to_usermode_loop+0x98/0x300 [ 163.022778] exit_to_usermode_loop+0x224/0x300 [ 163.023158] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 163.023658] ? rw_verify_area+0xe5/0x2b0 [ 163.023939] ? __fdget_raw+0x20/0x20 [ 163.024276] syscall_return_slowpath+0x42f/0x500 [ 163.024729] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 163.025073] ? SyS_write+0x184/0x220 [ 163.025410] ? entry_SYSCALL_64_fastpath+0x91/0xbe [ 163.025758] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 163.026168] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 163.026503] entry_SYSCALL_64_fastpath+0xbc/0xbe [ 163.026929] RIP: 0033:0x435369 [ 163.027201] RSP: 002b:00007ffe81a05c58 EFLAGS: 00000286 ORIG_RAX: 0000000000000001 [ 163.027806] RAX: ffffffffffffffe0 RBX: ffffffffffffffff RCX: 0000000000435369 [ 163.028367] RDX: 0000000000000012 RSI: 0000000000493be4 RDI: 0000000000000001 [ 163.029009] RBP: 6d766b2f7665642f R08: 0000000000000000 R09: 0000000000000000 [ 163.029499] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 163.029989] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 163.030518] Mem-Info: [ 163.030772] active_anon:2814 inactive_anon:40 isolated_anon:0 [ 163.030772] active_file:125 inactive_file:210 isolated_file:25 [ 163.030772] unevictable:0 dirty:0 writeback:6 unstable:0 [ 163.030772] slab_reclaimable:53725 slab_unreclaimable:329356 [ 163.030772] mapped:189 shmem:75 pagetables:230 bounce:0 [ 163.030772] free:18237 free_pcp:328 free_cma:0 [ 163.033171] Node 0 active_anon:2376kB inactive_anon:96kB active_file:364kB inactive_file:424kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:712kB dirty:0kB writeback:16kB shmem:132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 163.035201] Node 1 active_anon:8880kB inactive_anon:64kB active_file:160kB inactive_file:132kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:160kB dirty:0kB writeback:8kB shmem:168kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 163.037765] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:24kB 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 [ 163.040710] lowmem_reserve[]: 0 886 886 886 [ 163.041202] Node 0 DMA32 free:36588kB min:36536kB low:45668kB high:54800kB active_anon:2352kB inactive_anon:100kB active_file:652kB inactive_file:716kB unevictable:0kB writepending:16kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2496kB pagetables:396kB bounce:0kB free_pcp:340kB local_pcp:0kB free_cma:0kB [ 163.043797] lowmem_reserve[]: 0 0 0 0 [ 163.044159] Node 1 DMA32 free:32196kB min:30404kB low:38004kB high:45604kB active_anon:8876kB inactive_anon:64kB active_file:160kB inactive_file:132kB unevictable:0kB writepending:8kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1312kB pagetables:524kB bounce:0kB free_pcp:12kB local_pcp:0kB free_cma:0kB [ 163.046663] lowmem_reserve[]: 0 0 0 0 [ 163.047308] Node 0 DMA: 0*4kB 1*8kB (M) 1*16kB (U) 2*32kB (UM) 2*64kB (ME) 1*128kB (M) 1*256kB (M) 1*512kB (M) 3*1024kB (UME) 0*2048kB 0*4096kB = 4184kB [ 163.048868] Node 0 DMA32: 42*4kB (UM) 358*8kB (UMEH) 220*16kB (UMEH) 164*32kB (UMH) 66*64kB (UM) 21*128kB (UM) 14*256kB (UME) 4*512kB (ME) 2*1024kB (ME) 3*2048kB (UM) 1*4096kB (M) = 36632kB [ 163.050698] Node 1 DMA32: 145*4kB (UME) 620*8kB (UMH) 481*16kB (UMEH) 175*32kB (UMEH) 29*64kB (UM) 12*128kB (ME) 15*256kB (M) 1*512kB (U) 3*1024kB (UME) 1*2048kB (M) 0*4096kB = 31700kB [ 163.052475] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 163.053285] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 163.054034] 298 total pagecache pages [ 163.054369] 0 pages in swap cache [ 163.054685] Swap cache stats: add 0, delete 0, find 0/0 [ 163.055159] Free swap = 0kB [ 163.055424] Total swap = 0kB [ 163.055686] 524186 pages RAM [ 163.055947] 0 pages HighMem/MovableOnly [ 163.056367] 103968 pages reserved [ 163.056671] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 163.057447] [ 1511] 0 1511 7089 1880 20 3 0 -1000 udevd [ 163.058311] [ 2923] 0 2923 14244 166 23 3 0 0 rsyslogd [ 163.059211] [ 2960] 0 2960 4725 49 15 3 0 0 cron [ 163.059998] [ 2986] 0 2986 12490 152 29 3 0 -1000 sshd [ 163.061042] [ 3010] 0 3010 3694 39 13 3 0 0 getty [ 163.061784] [ 3011] 0 3011 3694 41 13 3 0 0 getty [ 163.062675] [ 3012] 0 3012 3694 39 12 3 0 0 getty [ 163.063454] [ 3013] 0 3013 3694 40 13 3 0 0 getty [ 163.064377] [ 3014] 0 3014 3694 42 12 3 0 0 getty [ 163.065475] [ 3015] 0 3015 3694 39 13 3 0 0 getty [ 163.066430] [ 3016] 0 3016 3649 40 12 3 0 0 getty [ 163.067211] [ 3017] 0 3017 5405 192 15 3 0 -1000 udevd [ 163.068110] [ 3018] 0 3018 5405 192 15 3 0 -1000 udevd [ 163.068981] [ 3043] 0 3043 4366 12 5 2 0 0 syzkaller119955 [ 163.070027] [ 3045] 0 3045 4366 12 5 2 0 0 syzkaller119955 [ 163.070330] syzkaller119955: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 163.070349] syzkaller119955 cpuset=/ mems_allowed=0-1 [ 163.070367] CPU: 0 PID: 3048 Comm: syzkaller119955 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 163.070371] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 163.070375] Call Trace: [ 163.070385] dump_stack+0x194/0x257 [ 163.070398] ? arch_local_irq_restore+0x53/0x53 [ 163.070408] ? flush_work+0x621/0x930 [ 163.070426] warn_alloc+0x1c2/0x2f0 [ 163.070437] ? zone_watermark_ok_safe+0x430/0x430 [ 163.070443] ? mutex_unlock+0xd/0x10 [ 163.070481] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 163.070566] ? warn_alloc+0x2f0/0x2f0 [ 163.070576] ? SyS_ioctl+0x8f/0xc0 [ 163.070591] ? warn_alloc+0x2f0/0x2f0 [ 163.070603] ? save_stack_trace+0x16/0x20 [ 163.070612] ? alloc_set_pte+0x1162/0x18f0 [ 163.070630] ? check_noncircular+0x20/0x20 [ 163.070650] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 163.070676] ? find_held_lock+0x39/0x1d0 [ 163.070699] ? lock_downgrade+0x990/0x990 [ 163.070736] ? check_same_owner+0x320/0x320 [ 163.070750] ? rcu_note_context_switch+0x710/0x710 [ 163.070757] ? check_noncircular+0x20/0x20 [ 163.070770] ? __might_sleep+0x95/0x190 [ 163.070784] __alloc_pages_nodemask+0x9f7/0xd80 [ 163.070800] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 163.070808] ? __alloc_pages_nodemask+0xae5/0xd80 [ 163.070818] ? find_held_lock+0x39/0x1d0 [ 163.070829] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 163.070866] ? cache_grow_begin+0x31b/0x400 [ 163.070884] cache_grow_begin+0x86/0x400 [ 163.070899] fallback_alloc+0x150/0x2b0 [ 163.070919] ____cache_alloc_node+0x1cf/0x1e0 [ 163.070934] kmem_cache_alloc_trace+0x27d/0x750 [ 163.070942] ? lock_downgrade+0x990/0x990 [ 163.070964] kvm_dev_ioctl+0x216/0x1840 [ 163.070979] ? lock_release+0xd70/0xd70 [ 163.070990] ? install_new_memslots+0x420/0x420 [ 163.070998] ? check_noncircular+0x20/0x20 [ 163.071012] ? __handle_mm_fault+0x587/0x39c0 [ 163.071030] ? avc_has_extended_perms+0x7fa/0x12c0 [ 163.071052] ? avc_ss_reset+0x110/0x110 [ 163.071073] ? lock_downgrade+0x990/0x990 [ 163.071116] ? check_same_owner+0x320/0x320 [ 163.071122] ? __handle_mm_fault+0x39c0/0x39c0 [ 163.071128] ? vmacache_find+0x61/0x270 [ 163.071138] ? rcu_note_context_switch+0x710/0x710 [ 163.071157] ? install_new_memslots+0x420/0x420 [ 163.071164] do_vfs_ioctl+0x1b1/0x1530 [ 163.071170] ? _cond_resched+0x14/0x30 [ 163.071185] ? ioctl_preallocate+0x2b0/0x2b0 [ 163.071197] ? selinux_capable+0x40/0x40 [ 163.071207] ? putname+0xf3/0x130 [ 163.071234] ? security_file_ioctl+0x7d/0xb0 [ 163.071241] ? security_file_ioctl+0x89/0xb0 [ 163.071255] SyS_ioctl+0x8f/0xc0 [ 163.071270] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 163.071276] RIP: 0033:0x435369 [ 163.071281] RSP: 002b:00007ffe81a05c58 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 163.071290] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 163.071295] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002e4 [ 163.071299] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 163.071304] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 163.071309] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 163.094244] [ 3048] 0 3048 4366 12 5 2 0 0 syzkaller119955 [ 163.094798] Out of memory: Kill process 2923 (rsyslogd) score 0 or sacrifice child [ 163.095267] Killed process 2923 (rsyslogd) total-vm:56976kB, anon-rss:664kB, file-rss:0kB, shmem-rss:0kB [ 163.097929] oom_reaper: reaped process 2923 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 163.099690] rs:main Q:Reg (2925) used greatest stack depth: 9360 bytes left