executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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: [ 55.535194] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 55.536147] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 55.536563] CPU: 3 PID: 3096 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 55.537114] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 55.537645] Call Trace: [ 55.537821] dump_stack+0x194/0x257 [ 55.538064] ? arch_local_irq_restore+0x53/0x53 [ 55.538390] warn_alloc+0x1c2/0x2f0 [ 55.538632] ? zone_watermark_ok_safe+0x430/0x430 [ 55.538949] ? mutex_unlock+0xd/0x10 [ 55.539212] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 55.539562] ? warn_alloc+0x2f0/0x2f0 [ 55.539826] ? SyS_ioctl+0x8f/0xc0 [ 55.540148] ? warn_alloc+0x2f0/0x2f0 [ 55.540474] ? save_stack_trace+0x16/0x20 [ 55.540776] ? check_noncircular+0x20/0x20 [ 55.541081] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 55.541458] ? find_held_lock+0x39/0x1d0 [ 55.541746] ? lock_downgrade+0x990/0x990 [ 55.542076] ? check_same_owner+0x320/0x320 [ 55.542433] ? rcu_note_context_switch+0x710/0x710 [ 55.542783] ? check_noncircular+0x20/0x20 [ 55.543082] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 55.543620] ? __might_sleep+0x95/0x190 [ 55.543906] __alloc_pages_nodemask+0x9f7/0xd80 [ 55.544239] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.544594] ? __alloc_pages_nodemask+0xae5/0xd80 [ 55.544934] ? find_held_lock+0x39/0x1d0 [ 55.545226] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.545608] ? cache_grow_begin+0x31b/0x400 [ 55.546041] cache_grow_begin+0x86/0x400 [ 55.546348] fallback_alloc+0x150/0x2b0 [ 55.546640] ____cache_alloc_node+0x1cf/0x1e0 [ 55.546962] kmem_cache_alloc_trace+0x27d/0x750 [ 55.547291] ? lock_downgrade+0x990/0x990 [ 55.547584] kvm_dev_ioctl+0x216/0x1840 [ 55.547868] ? lock_release+0xd70/0xd70 [ 55.548152] ? install_new_memslots+0x420/0x420 [ 55.548492] ? avc_has_extended_perms+0x7fa/0x12c0 [ 55.548838] ? unwind_get_return_address+0x61/0xa0 [ 55.549190] ? avc_ss_reset+0x110/0x110 [ 55.549473] ? putname+0xee/0x130 [ 55.549718] ? save_stack+0xa3/0xd0 [ 55.549975] ? save_stack_trace+0x16/0x20 [ 55.550266] ? save_stack+0x43/0xd0 [ 55.550524] ? kasan_slab_free+0x71/0xc0 [ 55.550809] ? kmem_cache_free+0x77/0x280 [ 55.551103] ? putname+0xee/0x130 [ 55.551357] ? do_sys_open+0x31b/0x6d0 [ 55.551942] ? __lock_is_held+0xbc/0x140 [ 55.552227] ? check_same_owner+0x320/0x320 [ 55.552519] ? rcu_note_context_switch+0x710/0x710 [ 55.552851] ? install_new_memslots+0x420/0x420 [ 55.553157] do_vfs_ioctl+0x1b1/0x1530 [ 55.553424] ? _cond_resched+0x14/0x30 [ 55.553689] ? ioctl_preallocate+0x2b0/0x2b0 [ 55.553988] ? selinux_capable+0x40/0x40 [ 55.554259] ? putname+0xf3/0x130 [ 55.554515] ? security_file_ioctl+0x7d/0xb0 [ 55.554815] ? security_file_ioctl+0x89/0xb0 [ 55.555114] SyS_ioctl+0x8f/0xc0 [ 55.555347] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 55.555666] RIP: 0033:0x435369 [ 55.555881] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 55.556396] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 55.556877] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000311 [ 55.557359] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 55.557838] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 55.558318] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 55.559027] Mem-Info: [ 55.559676] active_anon:4025 inactive_anon:42 isolated_anon:0 [ 55.559676] active_file:170 inactive_file:461 isolated_file:71 [ 55.559676] unevictable:0 dirty:0 writeback:0 unstable:0 [ 55.559676] slab_reclaimable:53167 slab_unreclaimable:326812 [ 55.559676] mapped:525 shmem:76 pagetables:306 bounce:0 [ 55.559676] free:19635 free_pcp:182 free_cma:0 [ 55.562284] Node 0 active_anon:4368kB inactive_anon:76kB active_file:624kB inactive_file:1816kB unevictable:0kB isolated(anon):0kB isolated(file):236kB mapped:2080kB dirty:0kB writeback:0kB shmem:92kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 55.564518] Node 1 active_anon:11732kB inactive_anon:92kB active_file:80kB inactive_file:140kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:212kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 55.566710] Node 0 DMA free:4116kB min:640kB low:800kB high:960kB active_anon:40kB 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 [ 55.569481] lowmem_reserve[]: 0 886 886 886 [ 55.569947] Node 0 DMA32 free:37524kB min:36536kB low:45668kB high:54800kB active_anon:4328kB inactive_anon:76kB active_file:984kB inactive_file:1060kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1824kB pagetables:556kB bounce:0kB free_pcp:640kB local_pcp:0kB free_cma:0kB [ 55.572928] lowmem_reserve[]: 0 0 0 0 [ 55.573628] Node 1 DMA32 free:36972kB min:30404kB low:38004kB high:45604kB active_anon:11732kB inactive_anon:92kB active_file:20kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2144kB pagetables:668kB bounce:0kB free_pcp:680kB local_pcp:48kB free_cma:0kB [ 55.576344] lowmem_reserve[]: 0 0 0 0 [ 55.576738] Node 0 DMA: 7*4kB (UME) 1*8kB (U) 1*16kB (M) 1*32kB (E) 3*64kB (UME) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (ME) 0*2048kB 0*4096kB = 4116kB [ 55.578370] Node 0 DMA32: 61*4kB (UM) 173*8kB (UME) 187*16kB (UM) 81*32kB (UME) 45*64kB (UME) 7*128kB (UM) 4*256kB (UME) 2*512kB (M) 2*1024kB (UE) 1*2048kB (E) 5*4096kB (M) = 37612kB [ 55.579878] Node 1 DMA32: 78*4kB (UM) 415*8kB (UME) 868*16kB (UME) 383*32kB (UME) 111*64kB (UME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36880kB [ 55.581308] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 55.581950] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 55.582764] 741 total pagecache pages [ 55.583112] 0 pages in swap cache [ 55.583414] Swap cache stats: add 0, delete 0, find 0/0 [ 55.583864] Free swap = 0kB [ 55.584145] Total swap = 0kB [ 55.584402] 524186 pages RAM [ 55.584648] 0 pages HighMem/MovableOnly [ 55.585086] 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 [ 55.863143] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 55.864322] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 55.864690] CPU: 3 PID: 3096 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 55.865422] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 55.865969] Call Trace: [ 55.866201] dump_stack+0x194/0x257 [ 55.866467] ? arch_local_irq_restore+0x53/0x53 [ 55.866873] ? isolate_lru_page+0x11d0/0x11d0 [ 55.867187] warn_alloc+0x1c2/0x2f0 [ 55.867505] ? zone_watermark_ok_safe+0x430/0x430 [ 55.867852] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 55.868307] ? warn_alloc+0x2f0/0x2f0 [ 55.868570] ? SyS_ioctl+0x8f/0xc0 [ 55.868884] ? warn_alloc+0x2f0/0x2f0 [ 55.869148] ? save_stack_trace+0x16/0x20 [ 55.869517] ? check_noncircular+0x20/0x20 [ 55.869814] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 55.870273] ? find_held_lock+0x39/0x1d0 [ 55.870564] ? lock_downgrade+0x990/0x990 [ 55.870941] ? check_same_owner+0x320/0x320 [ 55.871238] ? rcu_note_context_switch+0x710/0x710 [ 55.871666] ? check_noncircular+0x20/0x20 [ 55.872538] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 55.872988] ? __might_sleep+0x95/0x190 [ 55.873339] __alloc_pages_nodemask+0x9f7/0xd80 [ 55.873660] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.874093] ? __alloc_pages_nodemask+0xae5/0xd80 [ 55.874433] ? find_held_lock+0x39/0x1d0 [ 55.874789] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.875144] ? cache_grow_begin+0x31b/0x400 [ 55.875527] cache_grow_begin+0x86/0x400 [ 55.875807] fallback_alloc+0x150/0x2b0 [ 55.876158] ____cache_alloc_node+0x1cf/0x1e0 [ 55.876467] kmem_cache_alloc_trace+0x27d/0x750 [ 55.876872] ? lock_downgrade+0x990/0x990 [ 55.877163] kvm_dev_ioctl+0x216/0x1840 [ 55.877512] ? lock_release+0xd70/0xd70 [ 55.877785] ? install_new_memslots+0x420/0x420 [ 55.878201] ? avc_has_extended_perms+0x7fa/0x12c0 [ 55.878538] ? unwind_get_return_address+0x61/0xa0 [ 55.878972] ? avc_ss_reset+0x110/0x110 [ 55.879245] ? putname+0xee/0x130 [ 55.879547] ? save_stack+0xa3/0xd0 [ 55.879797] ? save_stack_trace+0x16/0x20 [ 55.880155] ? save_stack+0x43/0xd0 [ 55.880404] ? kasan_slab_free+0x71/0xc0 [ 55.880755] ? kmem_cache_free+0x77/0x280 [ 55.881036] ? putname+0xee/0x130 [ 55.881337] ? do_sys_open+0x31b/0x6d0 [ 55.881606] ? __lock_is_held+0xbc/0x140 [ 55.881971] ? check_same_owner+0x320/0x320 [ 55.882270] ? rcu_note_context_switch+0x710/0x710 [ 55.882704] ? install_new_memslots+0x420/0x420 [ 55.883022] do_vfs_ioctl+0x1b1/0x1530 [ 55.883359] ? _cond_resched+0x14/0x30 [ 55.883629] ? ioctl_preallocate+0x2b0/0x2b0 [ 55.884013] ? selinux_capable+0x40/0x40 [ 55.884293] ? putname+0xf3/0x130 [ 55.884604] ? security_file_ioctl+0x7d/0xb0 [ 55.884904] ? security_file_ioctl+0x89/0xb0 [ 55.885290] SyS_ioctl+0x8f/0xc0 [ 55.885526] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 55.885937] RIP: 0033:0x435369 [ 55.886155] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 55.886820] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 55.887307] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000031a [ 55.887926] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 55.888410] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 55.889030] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 56.208716] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 56.211986] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 56.214019] CPU: 3 PID: 3103 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 56.215923] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 56.218365] Call Trace: [ 56.219268] dump_stack+0x194/0x257 [ 56.220320] ? arch_local_irq_restore+0x53/0x53 [ 56.221790] ? isolate_lru_page+0x11d0/0x11d0 [ 56.223222] warn_alloc+0x1c2/0x2f0 [ 56.224416] ? zone_watermark_ok_safe+0x430/0x430 [ 56.225966] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 56.227566] ? warn_alloc+0x2f0/0x2f0 [ 56.228674] ? SyS_ioctl+0x8f/0xc0 [ 56.229744] ? warn_alloc+0x2f0/0x2f0 [ 56.230818] ? save_stack_trace+0x16/0x20 [ 56.232002] ? check_noncircular+0x20/0x20 [ 56.233184] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 56.235559] ? find_held_lock+0x39/0x1d0 [ 56.236585] ? lock_downgrade+0x990/0x990 [ 56.237687] ? check_same_owner+0x320/0x320 [ 56.239251] ? rcu_note_context_switch+0x710/0x710 [ 56.240751] ? check_noncircular+0x20/0x20 [ 56.241925] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 56.243770] ? __might_sleep+0x95/0x190 [ 56.245129] __alloc_pages_nodemask+0x9f7/0xd80 [ 56.246546] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 56.248146] ? __alloc_pages_nodemask+0xae5/0xd80 [ 56.249634] ? find_held_lock+0x39/0x1d0 [ 56.250802] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 56.252318] ? cache_grow_begin+0x31b/0x400 [ 56.253736] cache_grow_begin+0x86/0x400 [ 56.254879] fallback_alloc+0x150/0x2b0 [ 56.257472] ____cache_alloc_node+0x1cf/0x1e0 [ 56.258724] kmem_cache_alloc_trace+0x27d/0x750 [ 56.260009] ? lock_downgrade+0x990/0x990 [ 56.261173] kvm_dev_ioctl+0x216/0x1840 [ 56.262305] ? lock_release+0xd70/0xd70 [ 56.263394] ? install_new_memslots+0x420/0x420 [ 56.264750] ? avc_has_extended_perms+0x7fa/0x12c0 [ 56.266065] ? unwind_get_return_address+0x61/0xa0 [ 56.267503] ? avc_ss_reset+0x110/0x110 [ 56.268521] ? putname+0xee/0x130 [ 56.269493] ? save_stack+0xa3/0xd0 [ 56.270531] ? save_stack_trace+0x16/0x20 [ 56.271623] ? save_stack+0x43/0xd0 [ 56.272629] ? kasan_slab_free+0x71/0xc0 [ 56.273721] ? kmem_cache_free+0x77/0x280 [ 56.274887] ? putname+0xee/0x130 [ 56.275823] ? do_sys_open+0x31b/0x6d0 [ 56.277524] ? __lock_is_held+0xbc/0x140 [ 56.278717] ? check_same_owner+0x320/0x320 [ 56.279801] ? rcu_note_context_switch+0x710/0x710 [ 56.280993] ? install_new_memslots+0x420/0x420 [ 56.281976] do_vfs_ioctl+0x1b1/0x1530 [ 56.282873] ? _cond_resched+0x14/0x30 [ 56.283788] ? ioctl_preallocate+0x2b0/0x2b0 [ 56.284834] ? selinux_capable+0x40/0x40 [ 56.285773] ? putname+0xf3/0x130 [ 56.286649] ? security_file_ioctl+0x7d/0xb0 [ 56.287570] ? security_file_ioctl+0x89/0xb0 [ 56.288580] SyS_ioctl+0x8f/0xc0 [ 56.289285] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 56.290309] RIP: 0033:0x435369 [ 56.291045] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 56.292833] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 56.294541] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000325 [ 56.296000] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 56.297340] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 56.299274] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 56.618017] kworker/3:1 invoked oom-killer: gfp_mask=0x14001c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 56.619189] kworker/3:1 cpuset=/ mems_allowed=0-1 [ 56.619696] CPU: 3 PID: 800 Comm: kworker/3:1 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 56.620249] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 56.621001] Workqueue: events pcpu_balance_workfn [ 56.622211] Call Trace: [ 56.622414] dump_stack+0x194/0x257 [ 56.622666] ? arch_local_irq_restore+0x53/0x53 [ 56.623016] ? check_noncircular+0x20/0x20 [ 56.623311] dump_header+0x234/0xa0e [ 56.623574] ? pagefault_out_of_memory+0x152/0x152 [ 56.623927] ? lock_acquire+0x1d5/0x580 [ 56.624223] ? ___ratelimit+0x152/0x630 [ 56.624504] ? do_raw_spin_trylock+0x190/0x190 [ 56.624902] ? mark_held_locks+0xb2/0x100 [ 56.625327] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 56.625820] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 56.626308] ? trace_hardirqs_on+0xd/0x10 [ 56.626744] ? ___ratelimit+0x95/0x630 [ 56.627124] ? idr_get_free+0xff0/0xff0 [ 56.627556] ? lock_downgrade+0x990/0x990 [ 56.627934] ? cred_has_capability+0x1a0/0x3d0 [ 56.628255] oom_kill_process+0x86d/0x13d0 [ 56.628621] ? lock_release+0xd70/0xd70 [ 56.628899] ? oom_evaluate_task+0x480/0x480 [ 56.629277] ? security_capable_noaudit+0x8b/0xc0 [ 56.629612] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 56.630047] ? check_noncircular+0x20/0x20 [ 56.630344] ? has_capability+0x30/0x30 [ 56.630693] ? has_capability_noaudit+0x24/0x30 [ 56.631010] ? oom_badness+0xdf/0xb80 [ 56.631340] ? find_held_lock+0x39/0x1d0 [ 56.631628] ? lock_downgrade+0x990/0x990 [ 56.631986] ? out_of_memory+0x8c1/0x11d0 [ 56.632303] ? oom_reaper+0x4d0/0x4d0 [ 56.632636] ? lock_release+0xd70/0xd70 [ 56.632914] ? blocking_notifier_call_chain+0x112/0x190 [ 56.633366] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 56.633711] ? oom_evaluate_task+0x284/0x480 [ 56.634109] out_of_memory+0x7dd/0x11d0 [ 56.634401] ? oom_killer_disable+0x310/0x310 [ 56.634782] ? mutex_trylock+0x23a/0x2d0 [ 56.635059] ? __lock_is_held+0xbc/0x140 [ 56.635405] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 56.635780] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 56.636227] ? warn_alloc+0x2f0/0x2f0 [ 56.636488] ? ret_from_fork+0x2a/0x40 [ 56.636822] ? save_stack_trace+0x16/0x20 [ 56.637104] ? __lock_acquire+0x20f4/0x4620 [ 56.637479] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 56.637988] ? check_noncircular+0x20/0x20 [ 56.638360] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 56.638813] ? lock_acquire+0x1d5/0x580 [ 56.639164] ? pcpu_balance_workfn+0x134/0x1520 [ 56.640054] ? check_same_owner+0x320/0x320 [ 56.640436] ? find_held_lock+0x39/0x1d0 [ 56.640724] ? __lock_is_held+0xbc/0x140 [ 56.641053] ? check_same_owner+0x320/0x320 [ 56.641350] ? __might_sleep+0x95/0x190 [ 56.641620] __alloc_pages_nodemask+0x9f7/0xd80 [ 56.641982] ? ret_from_fork+0x2a/0x40 [ 56.642315] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 56.642668] ? find_held_lock+0x39/0x1d0 [ 56.643023] ? lock_downgrade+0x990/0x990 [ 56.643327] ? __lock_is_held+0xbc/0x140 [ 56.643677] ? pcpu_balance_workfn+0xab8/0x1520 [ 56.644064] ? _find_next_bit+0xee/0x120 [ 56.644348] pcpu_populate_chunk+0x1be/0x8d0 [ 56.644738] pcpu_balance_workfn+0xf4d/0x1520 [ 56.645124] ? unwind_next_frame+0x3e/0x50 [ 56.645413] ? __save_stack_trace+0x6e/0xd0 [ 56.645796] ? pcpu_create_chunk+0x900/0x900 [ 56.646189] ? check_noncircular+0x20/0x20 [ 56.646484] ? find_held_lock+0x39/0x1d0 [ 56.646858] ? lock_acquire+0x1d5/0x580 [ 56.647205] ? process_one_work+0xb2c/0x1be0 [ 56.647506] ? lock_downgrade+0x990/0x990 [ 56.647873] ? __lock_is_held+0xbc/0x140 [ 56.648160] process_one_work+0xbfd/0x1be0 [ 56.648526] ? check_noncircular+0x20/0x20 [ 56.648823] ? pwq_dec_nr_in_flight+0x450/0x450 [ 56.649232] ? finish_task_switch+0x1d3/0x740 [ 56.649533] ? finish_task_switch+0x1aa/0x740 [ 56.649949] ? __sched_text_start+0x8/0x8 [ 56.650311] ? check_noncircular+0x20/0x20 [ 56.650685] ? __unwind_start+0x169/0x330 [ 56.651050] ? find_held_lock+0x39/0x1d0 [ 56.651417] ? lock_acquire+0x1d5/0x580 [ 56.651686] ? worker_thread+0x4a3/0x1860 [ 56.652053] ? lock_release+0xd70/0xd70 [ 56.652350] ? do_raw_spin_trylock+0x190/0x190 [ 56.652778] ? pr_cont_work+0x130/0x130 [ 56.653118] worker_thread+0x223/0x1860 [ 56.653493] ? process_one_work+0x1be0/0x1be0 [ 56.653802] ? check_noncircular+0x20/0x20 [ 56.654172] ? _raw_spin_unlock_irq+0x27/0x70 [ 56.654482] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 56.654918] ? trace_hardirqs_on+0xd/0x10 [ 56.655202] ? _raw_spin_unlock_irq+0x27/0x70 [ 56.655593] ? finish_task_switch+0x1d3/0x740 [ 56.655889] ? finish_task_switch+0x1aa/0x740 [ 56.656283] ? preempt_notifier_dec+0x20/0x20 [ 56.656599] ? __schedule+0x8f0/0x2070 [ 56.656938] ? __x2apic_send_IPI_dest.constprop.7+0x5b/0x80 [ 56.657427] ? try_to_wake_up+0xf9/0x1600 [ 56.657715] ? find_held_lock+0x39/0x1d0 [ 56.658080] ? lock_downgrade+0x990/0x990 [ 56.658457] ? complete+0x18/0x80 [ 56.658766] ? __schedule+0x2070/0x2070 [ 56.659118] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 56.659562] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 56.659904] ? trace_hardirqs_on+0xd/0x10 [ 56.660269] ? __kthread_parkme+0x173/0x240 [ 56.661022] kthread+0x39c/0x470 [ 56.661323] ? process_one_work+0x1be0/0x1be0 [ 56.661714] ? kthread_create_on_node+0x100/0x100 [ 56.662138] ret_from_fork+0x2a/0x40 [ 56.662517] Mem-Info: [ 56.662694] active_anon:4026 inactive_anon:41 isolated_anon:0 [ 56.662694] active_file:34 inactive_file:36 isolated_file:19 [ 56.662694] unevictable:0 dirty:0 writeback:0 unstable:0 [ 56.662694] slab_reclaimable:53526 slab_unreclaimable:329053 [ 56.662694] mapped:49 shmem:76 pagetables:306 bounce:0 [ 56.662694] free:17753 free_pcp:64 free_cma:0 [ 56.665189] Node 0 active_anon:4388kB inactive_anon:76kB active_file:0kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):76kB mapped:88kB dirty:0kB writeback:0kB shmem:96kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 56.667455] Node 1 active_anon:11716kB inactive_anon:88kB active_file:148kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:108kB dirty:0kB writeback:0kB shmem:208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 56.669246] Node 0 DMA free:4116kB min:640kB low:800kB high:960kB active_anon:40kB 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 [ 56.671498] lowmem_reserve[]: 0 886 886 886 [ 56.671816] Node 0 DMA32 free:36688kB min:36536kB low:45668kB high:54800kB active_anon:4348kB inactive_anon:76kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1824kB pagetables:572kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 56.674299] lowmem_reserve[]: 0 0 0 0 [ 56.674650] Node 1 DMA32 free:30208kB min:30404kB low:38004kB high:45604kB active_anon:11716kB inactive_anon:88kB active_file:148kB inactive_file:224kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2144kB pagetables:652kB bounce:0kB free_pcp:256kB local_pcp:256kB free_cma:0kB [ 56.677254] lowmem_reserve[]: 0 0 0 0 [ 56.677547] Node 0 DMA: 7*4kB (UME) 1*8kB (U) 1*16kB (M) 1*32kB (E) 3*64kB (UME) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (ME) 0*2048kB 0*4096kB = 4116kB [ 56.678689] Node 0 DMA32: 258*4kB (UME) 314*8kB (UMEH) 323*16kB (UMH) 135*32kB (UME) 51*64kB (UME) 9*128kB (ME) 3*256kB (ME) 3*512kB (ME) 1*1024kB (U) 2*2048kB (UE) 3*4096kB (M) = 37160kB [ 56.679942] Node 1 DMA32: 132*4kB (UME) 162*8kB (UME) 586*16kB (UME) 380*32kB (UME) 107*64kB (UME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30208kB [ 56.681032] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 56.681607] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 56.683032] 137 total pagecache pages [ 56.683393] 0 pages in swap cache [ 56.683648] Swap cache stats: add 0, delete 0, find 0/0 [ 56.684041] Free swap = 0kB [ 56.684258] Total swap = 0kB [ 56.684515] 524186 pages RAM [ 56.684780] 0 pages HighMem/MovableOnly [ 56.685147] 103968 pages reserved [ 56.685383] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 56.686183] [ 1526] 0 1526 7016 1796 18 3 0 -1000 udevd [ 56.686832] [ 2846] 0 2846 2493 573 8 3 0 0 dhclient [ 56.687631] [ 2977] 0 2977 14265 684 24 3 0 0 rsyslogd [ 56.688265] [ 3014] 0 3014 4725 48 15 3 0 0 cron [ 56.688846] [ 3037] 0 3037 12490 152 30 4 0 -1000 sshd [ 56.689444] [ 3064] 0 3064 3694 41 11 3 0 0 getty [ 56.690049] [ 3065] 0 3065 3694 42 13 3 0 0 getty [ 56.690636] [ 3066] 0 3066 3694 39 13 3 0 0 getty [ 56.691250] [ 3067] 0 3067 3694 39 13 3 0 0 getty [ 56.691849] [ 3068] 0 3068 3694 40 13 3 0 0 getty [ 56.692462] [ 3069] 0 3069 3694 41 13 3 0 0 getty [ 56.693236] [ 3071] 0 3071 3649 40 13 3 0 0 getty [ 56.693989] [ 3072] 0 3072 5365 154 14 3 0 -1000 udevd [ 56.694566] [ 3073] 0 3073 5365 154 14 3 0 -1000 udevd [ 56.695345] [ 3093] 0 3093 17820 197 40 3 0 0 sshd [ 56.695908] [ 3095] 0 3095 271 1 4 2 0 0 syzkaller500434 [ 56.696756] [ 3096] 0 3096 4366 12 5 2 0 0 syzkaller500434 [ 56.697399] [ 3097] 0 3097 4366 12 5 2 0 0 syzkaller500434 [ 56.698244] [ 3098] 0 3098 4366 12 5 2 0 0 syzkaller500434 [ 56.698895] [ 3099] 0 3099 4366 12 5 2 0 0 syzkaller500434 [ 56.699740] [ 3100] 0 3100 4366 12 5 2 0 0 syzkaller500434 [ 56.700402] [ 3101] 0 3101 4366 12 5 2 0 0 syzkaller500434 [ 56.701249] [ 3102] 0 3102 4366 12 5 2 0 0 syzkaller500434 [ 56.701894] [ 3103] 0 3103 4366 12 5 2 0 0 syzkaller500434 [ 56.702737] Out of memory: Kill process 2977 (rsyslogd) score 1 or sacrifice child [ 56.703967] Killed process 2977 (rsyslogd) total-vm:57060kB, anon-rss:2772kB, file-rss:0kB, shmem-rss:0kB [ 56.704978] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 56.705851] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 56.706366] CPU: 2 PID: 3098 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 56.706743] oom_reaper: reaped process 2977 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 56.707748] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 56.708308] Call Trace: [ 56.708543] dump_stack+0x194/0x257 [ 56.708797] ? arch_local_irq_restore+0x53/0x53 [ 56.709068] ? flush_work+0x621/0x930 [ 56.709344] warn_alloc+0x1c2/0x2f0 [ 56.709764] ? zone_watermark_ok_safe+0x430/0x430 [ 56.710188] ? mutex_unlock+0xd/0x10 [ 56.710547] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 56.711113] ? warn_alloc+0x2f0/0x2f0 [ 56.711405] ? SyS_ioctl+0x8f/0xc0 [ 56.711668] ? warn_alloc+0x2f0/0x2f0 [ 56.712007] ? save_stack_trace+0x16/0x20 [ 56.712378] ? check_noncircular+0x20/0x20 [ 56.712754] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 56.713215] ? find_held_lock+0x39/0x1d0 [ 56.713577] ? lock_downgrade+0x990/0x990 [ 56.713955] ? check_same_owner+0x320/0x320 [ 56.714341] ? rcu_note_context_switch+0x710/0x710 [ 56.714830] ? check_noncircular+0x20/0x20 [ 56.715329] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 56.715855] ? __might_sleep+0x95/0x190 [ 56.716165] __alloc_pages_nodemask+0x9f7/0xd80 [ 56.716586] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 56.717116] ? __alloc_pages_nodemask+0xae5/0xd80 [ 56.717500] ? find_held_lock+0x39/0x1d0 [ 56.717849] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 56.718299] ? cache_grow_begin+0x31b/0x400 [ 56.718742] cache_grow_begin+0x86/0x400 [ 56.719125] fallback_alloc+0x150/0x2b0 [ 56.719586] ____cache_alloc_node+0x1cf/0x1e0 [ 56.720069] kmem_cache_alloc_trace+0x27d/0x750 [ 56.720529] ? lock_downgrade+0x990/0x990 [ 56.720946] kvm_dev_ioctl+0x216/0x1840 [ 56.721231] ? lock_release+0xd70/0xd70 [ 56.721539] ? install_new_memslots+0x420/0x420 [ 56.721955] ? avc_has_extended_perms+0x7fa/0x12c0 [ 56.722372] ? unwind_get_return_address+0x61/0xa0 [ 56.722784] ? avc_ss_reset+0x110/0x110 [ 56.723115] ? putname+0xee/0x130 [ 56.723413] ? save_stack+0xa3/0xd0 [ 56.723725] ? save_stack_trace+0x16/0x20 [ 56.724170] ? save_stack+0x43/0xd0 [ 56.725210] ? kasan_slab_free+0x71/0xc0 [ 56.725502] ? kmem_cache_free+0x77/0x280 [ 56.725800] ? putname+0xee/0x130 [ 56.726055] ? do_sys_open+0x31b/0x6d0 [ 56.726321] ? __lock_is_held+0xbc/0x140 [ 56.726622] ? check_same_owner+0x320/0x320 [ 56.726966] ? rcu_note_context_switch+0x710/0x710 [ 56.727322] ? install_new_memslots+0x420/0x420 [ 56.727760] do_vfs_ioctl+0x1b1/0x1530 [ 56.728087] ? _cond_resched+0x14/0x30 [ 56.728476] ? ioctl_preallocate+0x2b0/0x2b0 [ 56.728899] ? selinux_capable+0x40/0x40 [ 56.729299] ? putname+0xf3/0x130 [ 56.729652] ? security_file_ioctl+0x7d/0xb0 [ 56.730108] ? security_file_ioctl+0x89/0xb0 [ 56.730544] SyS_ioctl+0x8f/0xc0 [ 56.730884] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 56.731342] RIP: 0033:0x435369 [ 56.731658] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 56.732414] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 56.733085] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002dd [ 56.733692] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 56.734289] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 56.734985] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 56.735804] warn_alloc_show_mem: 2 callbacks suppressed [ 56.736313] Mem-Info: [ 56.739149] active_anon:3327 inactive_anon:41 isolated_anon:0 [ 56.739149] active_file:27 inactive_file:26 isolated_file:47 [ 56.739149] unevictable:0 dirty:0 writeback:0 unstable:0 [ 56.739149] slab_reclaimable:53575 slab_unreclaimable:329312 [ 56.739149] mapped:48 shmem:76 pagetables:305 bounce:0 [ 56.739149] free:18036 free_pcp:65 free_cma:0 [ 56.739443] rsyslogd (2983) used greatest stack depth: 15088 bytes left [ 56.746622] Node 0 active_anon:4188kB inactive_anon:76kB active_file:56kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):12kB mapped:68kB dirty:0kB writeback:0kB shmem:96kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 56.750897] Node 1 active_anon:9120kB inactive_anon:88kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):152kB mapped:124kB dirty:0kB writeback:0kB shmem:208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 56.753520] Node 0 DMA free:4116kB min:640kB low:800kB high:960kB active_anon:40kB 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 [ 56.756192] lowmem_reserve[]: 0 886 886 886 [ 56.756693] Node 0 DMA32 free:37536kB min:36536kB low:45668kB high:54800kB active_anon:4148kB inactive_anon:76kB active_file:56kB inactive_file:64kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1728kB pagetables:536kB bounce:0kB free_pcp:96kB local_pcp:80kB free_cma:0kB [ 56.759519] lowmem_reserve[]: 0 0 0 0 [ 56.759957] Node 1 DMA32 free:30864kB min:30404kB low:38004kB high:45604kB active_anon:9120kB inactive_anon:88kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2112kB pagetables:592kB bounce:0kB free_pcp:284kB local_pcp:264kB free_cma:0kB [ 56.762789] lowmem_reserve[]: 0 0 0 0 [ 56.763221] Node 0 DMA: 7*4kB (UME) 1*8kB (U) 1*16kB (M) 1*32kB (E) 3*64kB (UME) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (ME) 0*2048kB 0*4096kB = 4116kB [ 56.764846] Node 0 DMA32: 281*4kB (UME) 331*8kB (UMEH) 333*16kB (UMH) 140*32kB (UME) 53*64kB (UMH) 9*128kB (ME) 3*256kB (ME) 3*512kB (ME) 1*1024kB (U) 2*2048kB (UE) 3*4096kB (M) = 37836kB [ 56.766747] Node 1 DMA32: 169*4kB (UM) 191*8kB (UM) 584*16kB (UM) 383*32kB (UM) 108*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30716kB [ 56.769431] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 56.770290] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 56.771153] 163 total pagecache pages [ 56.771533] 0 pages in swap cache [ 56.771874] Swap cache stats: add 0, delete 0, find 0/0 [ 56.772420] Free swap = 0kB [ 56.772721] Total swap = 0kB [ 56.773041] 524186 pages RAM [ 56.773340] 0 pages HighMem/MovableOnly [ 56.773729] 103968 pages reserved [ 57.036617] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 57.037913] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 57.038473] CPU: 1 PID: 3096 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 57.039635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 57.041057] Call Trace: [ 57.041458] dump_stack+0x194/0x257 [ 57.041946] ? arch_local_irq_restore+0x53/0x53 [ 57.042580] ? flush_work+0x621/0x930 [ 57.042969] warn_alloc+0x1c2/0x2f0 [ 57.043303] ? zone_watermark_ok_safe+0x430/0x430 [ 57.043698] ? mutex_unlock+0xd/0x10 [ 57.044031] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 57.044900] ? warn_alloc+0x2f0/0x2f0 [ 57.045347] ? SyS_ioctl+0x8f/0xc0 [ 57.045719] ? warn_alloc+0x2f0/0x2f0 [ 57.046113] ? save_stack_trace+0x16/0x20 [ 57.046564] ? check_noncircular+0x20/0x20 [ 57.047003] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.047548] ? find_held_lock+0x39/0x1d0 [ 57.047985] ? lock_downgrade+0x990/0x990 [ 57.048438] ? check_same_owner+0x320/0x320 [ 57.048967] ? rcu_note_context_switch+0x710/0x710 [ 57.049447] ? check_noncircular+0x20/0x20 [ 57.049887] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 57.050577] ? __might_sleep+0x95/0x190 [ 57.051043] __alloc_pages_nodemask+0x9f7/0xd80 [ 57.051539] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.052030] ? __alloc_pages_nodemask+0xae5/0xd80 [ 57.052532] ? find_held_lock+0x39/0x1d0 [ 57.052937] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.053479] ? cache_grow_begin+0x31b/0x400 [ 57.053914] cache_grow_begin+0x86/0x400 [ 57.054349] fallback_alloc+0x150/0x2b0 [ 57.054737] ____cache_alloc_node+0x1cf/0x1e0 [ 57.055188] kmem_cache_alloc_trace+0x27d/0x750 [ 57.055603] ? lock_downgrade+0x990/0x990 [ 57.056004] kvm_dev_ioctl+0x216/0x1840 [ 57.056383] ? lock_release+0xd70/0xd70 [ 57.056737] ? install_new_memslots+0x420/0x420 [ 57.057216] ? avc_has_extended_perms+0x7fa/0x12c0 [ 57.057666] ? unwind_get_return_address+0x61/0xa0 [ 57.058193] ? avc_ss_reset+0x110/0x110 [ 57.058594] ? putname+0xee/0x130 [ 57.058940] ? save_stack+0xa3/0xd0 [ 57.059329] ? save_stack_trace+0x16/0x20 [ 57.059738] ? save_stack+0x43/0xd0 [ 57.060099] ? kasan_slab_free+0x71/0xc0 [ 57.060526] ? kmem_cache_free+0x77/0x280 [ 57.060936] ? putname+0xee/0x130 [ 57.061307] ? do_sys_open+0x31b/0x6d0 [ 57.061699] ? __lock_is_held+0xbc/0x140 [ 57.062126] ? check_same_owner+0x320/0x320 [ 57.062590] ? rcu_note_context_switch+0x710/0x710 [ 57.063036] ? install_new_memslots+0x420/0x420 [ 57.063469] do_vfs_ioctl+0x1b1/0x1530 [ 57.063811] ? _cond_resched+0x14/0x30 [ 57.064158] ? ioctl_preallocate+0x2b0/0x2b0 [ 57.064569] ? selinux_capable+0x40/0x40 [ 57.064935] ? putname+0xf3/0x130 [ 57.065273] ? security_file_ioctl+0x7d/0xb0 [ 57.065659] ? security_file_ioctl+0x89/0xb0 [ 57.066821] SyS_ioctl+0x8f/0xc0 [ 57.067140] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 57.067555] RIP: 0033:0x435369 [ 57.067834] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 57.068525] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 57.069175] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000031f [ 57.069802] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 57.070454] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 57.070950] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 57.073127] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 57.074366] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 57.074911] CPU: 1 PID: 3102 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 57.075751] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 57.076366] Call Trace: [ 57.076555] dump_stack+0x194/0x257 [ 57.076810] ? arch_local_irq_restore+0x53/0x53 [ 57.077133] ? flush_work+0x621/0x930 [ 57.077406] warn_alloc+0x1c2/0x2f0 [ 57.077663] ? zone_watermark_ok_safe+0x430/0x430 [ 57.077987] ? mutex_unlock+0xd/0x10 [ 57.078261] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 57.078639] ? warn_alloc+0x2f0/0x2f0 [ 57.078895] ? SyS_ioctl+0x8f/0xc0 [ 57.079148] ? warn_alloc+0x2f0/0x2f0 [ 57.079419] ? save_stack_trace+0x16/0x20 [ 57.079721] ? check_noncircular+0x20/0x20 [ 57.080012] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.080414] ? find_held_lock+0x39/0x1d0 [ 57.080709] ? lock_downgrade+0x990/0x990 [ 57.081002] ? check_same_owner+0x320/0x320 [ 57.081310] ? rcu_note_context_switch+0x710/0x710 [ 57.081654] ? check_noncircular+0x20/0x20 [ 57.081937] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 57.082401] ? __might_sleep+0x95/0x190 [ 57.082682] __alloc_pages_nodemask+0x9f7/0xd80 [ 57.082998] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.083350] ? __alloc_pages_nodemask+0xae5/0xd80 [ 57.083687] ? find_held_lock+0x39/0x1d0 [ 57.083970] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.084366] ? cache_grow_begin+0x31b/0x400 [ 57.084674] cache_grow_begin+0x86/0x400 [ 57.084941] fallback_alloc+0x150/0x2b0 [ 57.085224] ____cache_alloc_node+0x1cf/0x1e0 [ 57.085541] kmem_cache_alloc_trace+0x27d/0x750 [ 57.085863] ? lock_downgrade+0x990/0x990 [ 57.086161] kvm_dev_ioctl+0x216/0x1840 [ 57.086442] ? lock_release+0xd70/0xd70 [ 57.086723] ? install_new_memslots+0x420/0x420 [ 57.087059] ? avc_has_extended_perms+0x7fa/0x12c0 [ 57.087644] ? unwind_get_return_address+0x61/0xa0 [ 57.088042] ? avc_ss_reset+0x110/0x110 [ 57.088330] ? putname+0xee/0x130 [ 57.088575] ? save_stack+0xa3/0xd0 [ 57.088832] ? save_stack_trace+0x16/0x20 [ 57.089127] ? save_stack+0x43/0xd0 [ 57.089367] ? kasan_slab_free+0x71/0xc0 [ 57.089650] ? kmem_cache_free+0x77/0x280 [ 57.089940] ? putname+0xee/0x130 [ 57.090183] ? do_sys_open+0x31b/0x6d0 [ 57.090460] ? __lock_is_held+0xbc/0x140 [ 57.090757] ? check_same_owner+0x320/0x320 [ 57.091062] ? rcu_note_context_switch+0x710/0x710 [ 57.091400] ? install_new_memslots+0x420/0x420 [ 57.091727] do_vfs_ioctl+0x1b1/0x1530 [ 57.091998] ? _cond_resched+0x14/0x30 [ 57.092301] ? ioctl_preallocate+0x2b0/0x2b0 [ 57.092613] ? selinux_capable+0x40/0x40 [ 57.092899] ? putname+0xf3/0x130 [ 57.093151] ? security_file_ioctl+0x7d/0xb0 [ 57.093448] ? security_file_ioctl+0x89/0xb0 [ 57.093760] SyS_ioctl+0x8f/0xc0 [ 57.094006] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 57.094339] RIP: 0033:0x435369 [ 57.094566] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 57.095105] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 57.095600] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002f3 [ 57.096134] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 57.096628] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 57.097134] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 executing program executing program executing program executing program executing program executing program [ 57.138263] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 57.139537] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 57.140106] CPU: 2 PID: 3103 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 57.140954] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 57.141771] Call Trace: [ 57.142041] dump_stack+0x194/0x257 [ 57.142421] ? arch_local_irq_restore+0x53/0x53 [ 57.142900] ? flush_work+0x621/0x930 [ 57.143304] warn_alloc+0x1c2/0x2f0 [ 57.143678] ? zone_watermark_ok_safe+0x430/0x430 [ 57.144169] ? mutex_unlock+0xd/0x10 [ 57.144584] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 57.145295] ? warn_alloc+0x2f0/0x2f0 [ 57.145686] ? SyS_ioctl+0x8f/0xc0 [ 57.146054] ? warn_alloc+0x2f0/0x2f0 [ 57.146477] ? save_stack_trace+0x16/0x20 [ 57.146912] ? check_noncircular+0x20/0x20 [ 57.147362] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.147903] ? find_held_lock+0x39/0x1d0 [ 57.148337] ? lock_downgrade+0x990/0x990 [ 57.148778] ? check_same_owner+0x320/0x320 [ 57.149222] ? rcu_note_context_switch+0x710/0x710 [ 57.149721] ? check_noncircular+0x20/0x20 [ 57.150151] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 57.150835] ? __might_sleep+0x95/0x190 [ 57.151248] __alloc_pages_nodemask+0x9f7/0xd80 [ 57.151665] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.152104] ? __alloc_pages_nodemask+0xae5/0xd80 [ 57.152528] ? find_held_lock+0x39/0x1d0 [ 57.152887] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.153428] ? cache_grow_begin+0x31b/0x400 [ 57.153876] cache_grow_begin+0x86/0x400 [ 57.154301] fallback_alloc+0x150/0x2b0 [ 57.154736] ____cache_alloc_node+0x1cf/0x1e0 [ 57.155195] kmem_cache_alloc_trace+0x27d/0x750 [ 57.155673] ? lock_downgrade+0x990/0x990 [ 57.156106] kvm_dev_ioctl+0x216/0x1840 [ 57.156522] ? lock_release+0xd70/0xd70 [ 57.156931] ? install_new_memslots+0x420/0x420 [ 57.157431] ? avc_has_extended_perms+0x7fa/0x12c0 [ 57.157933] ? unwind_get_return_address+0x61/0xa0 [ 57.158455] ? avc_ss_reset+0x110/0x110 [ 57.158865] ? putname+0xee/0x130 [ 57.159226] ? save_stack+0xa3/0xd0 [ 57.159608] ? save_stack_trace+0x16/0x20 [ 57.160037] ? save_stack+0x43/0xd0 [ 57.160410] ? kasan_slab_free+0x71/0xc0 [ 57.160831] ? kmem_cache_free+0x77/0x280 [ 57.161256] ? putname+0xee/0x130 [ 57.161563] ? do_sys_open+0x31b/0x6d0 [ 57.161894] ? __lock_is_held+0xbc/0x140 [ 57.162250] ? check_same_owner+0x320/0x320 [ 57.162620] ? rcu_note_context_switch+0x710/0x710 [ 57.163045] ? install_new_memslots+0x420/0x420 [ 57.163432] do_vfs_ioctl+0x1b1/0x1530 [ 57.163757] ? _cond_resched+0x14/0x30 [ 57.164133] ? ioctl_preallocate+0x2b0/0x2b0 [ 57.164592] ? selinux_capable+0x40/0x40 [ 57.165014] ? putname+0xf3/0x130 [ 57.165394] ? security_file_ioctl+0x7d/0xb0 [ 57.165849] ? security_file_ioctl+0x89/0xb0 [ 57.166306] SyS_ioctl+0x8f/0xc0 [ 57.166668] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 57.167156] RIP: 0033:0x435369 [ 57.167486] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 57.168269] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 57.168914] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000326 [ 57.169549] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 57.170178] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 57.170811] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 57.201893] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 57.203235] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 57.203804] CPU: 2 PID: 3103 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 57.204681] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 57.205535] Call Trace: [ 57.205815] dump_stack+0x194/0x257 [ 57.206207] ? arch_local_irq_restore+0x53/0x53 [ 57.206705] ? flush_work+0x621/0x930 [ 57.207117] warn_alloc+0x1c2/0x2f0 [ 57.207476] ? zone_watermark_ok_safe+0x430/0x430 [ 57.208019] ? mutex_unlock+0xd/0x10 [ 57.208484] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 57.209082] ? warn_alloc+0x2f0/0x2f0 [ 57.209766] ? SyS_ioctl+0x8f/0xc0 [ 57.210410] ? warn_alloc+0x2f0/0x2f0 [ 57.211082] ? save_stack_trace+0x16/0x20 [ 57.211827] ? check_noncircular+0x20/0x20 [ 57.212543] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.213248] ? find_held_lock+0x39/0x1d0 [ 57.213808] ? lock_downgrade+0x990/0x990 [ 57.214412] ? check_same_owner+0x320/0x320 [ 57.214989] ? rcu_note_context_switch+0x710/0x710 [ 57.215675] ? check_noncircular+0x20/0x20 [ 57.216379] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 57.217542] ? __might_sleep+0x95/0x190 [ 57.218004] __alloc_pages_nodemask+0x9f7/0xd80 [ 57.218847] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.219377] ? __alloc_pages_nodemask+0xae5/0xd80 [ 57.220407] ? find_held_lock+0x39/0x1d0 [ 57.220850] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.221752] ? cache_grow_begin+0x31b/0x400 [ 57.222222] cache_grow_begin+0x86/0x400 [ 57.223095] fallback_alloc+0x150/0x2b0 [ 57.223532] ____cache_alloc_node+0x1cf/0x1e0 [ 57.224368] kmem_cache_alloc_trace+0x27d/0x750 [ 57.224867] ? lock_downgrade+0x990/0x990 [ 57.225644] kvm_dev_ioctl+0x216/0x1840 [ 57.226073] ? lock_release+0xd70/0xd70 [ 57.226947] ? install_new_memslots+0x420/0x420 [ 57.227464] ? avc_has_extended_perms+0x7fa/0x12c0 [ 57.228317] ? unwind_get_return_address+0x61/0xa0 [ 57.228853] ? avc_ss_reset+0x110/0x110 [ 57.229539] ? putname+0xee/0x130 [ 57.229913] ? save_stack+0xa3/0xd0 [ 57.230553] ? save_stack_trace+0x16/0x20 [ 57.230994] ? save_stack+0x43/0xd0 [ 57.231626] ? kasan_slab_free+0x71/0xc0 [ 57.232057] ? kmem_cache_free+0x77/0x280 [ 57.232783] ? putname+0xee/0x130 [ 57.233185] ? do_sys_open+0x31b/0x6d0 [ 57.233876] ? __lock_is_held+0xbc/0x140 [ 57.234304] ? check_same_owner+0x320/0x320 [ 57.235087] ? rcu_note_context_switch+0x710/0x710 [ 57.235659] ? install_new_memslots+0x420/0x420 [ 57.236504] do_vfs_ioctl+0x1b1/0x1530 [ 57.236949] ? _cond_resched+0x14/0x30 [ 57.238269] ? ioctl_preallocate+0x2b0/0x2b0 [ 57.238863] ? selinux_capable+0x40/0x40 [ 57.239589] ? putname+0xf3/0x130 [ 57.240226] ? security_file_ioctl+0x7d/0xb0 [ 57.241000] ? security_file_ioctl+0x89/0xb0 [ 57.241483] SyS_ioctl+0x8f/0xc0 [ 57.242083] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 57.242599] RIP: 0033:0x435369 [ 57.243162] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 57.244081] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 57.245468] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000327 [ 57.246438] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 57.247656] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 57.248291] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 57.327418] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 57.329253] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 57.329785] CPU: 0 PID: 3098 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 57.330630] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 57.331428] Call Trace: [ 57.331690] dump_stack+0x194/0x257 [ 57.332056] ? arch_local_irq_restore+0x53/0x53 [ 57.332522] ? flush_work+0x621/0x930 [ 57.332912] warn_alloc+0x1c2/0x2f0 [ 57.333277] ? zone_watermark_ok_safe+0x430/0x430 [ 57.333751] ? mutex_unlock+0xd/0x10 [ 57.334153] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 57.334707] ? warn_alloc+0x2f0/0x2f0 [ 57.335125] ? SyS_ioctl+0x8f/0xc0 [ 57.335476] ? warn_alloc+0x2f0/0x2f0 [ 57.335856] ? save_stack_trace+0x16/0x20 [ 57.336275] ? check_noncircular+0x20/0x20 [ 57.336698] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.337219] ? find_held_lock+0x39/0x1d0 [ 57.337626] ? lock_downgrade+0x990/0x990 [ 57.338057] ? check_same_owner+0x320/0x320 [ 57.338489] ? rcu_note_context_switch+0x710/0x710 [ 57.338963] ? check_noncircular+0x20/0x20 [ 57.339401] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 57.340094] ? __might_sleep+0x95/0x190 [ 57.340485] __alloc_pages_nodemask+0x9f7/0xd80 [ 57.340944] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.341433] ? __alloc_pages_nodemask+0xae5/0xd80 [ 57.341907] ? find_held_lock+0x39/0x1d0 [ 57.342309] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.342826] ? cache_grow_begin+0x31b/0x400 [ 57.343253] cache_grow_begin+0x86/0x400 [ 57.343968] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 57.343986] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 57.345722] fallback_alloc+0x150/0x2b0 [ 57.346126] ____cache_alloc_node+0x1cf/0x1e0 [ 57.346586] kmem_cache_alloc_trace+0x27d/0x750 [ 57.347042] ? lock_downgrade+0x990/0x990 [ 57.347461] kvm_dev_ioctl+0x216/0x1840 [ 57.347853] ? lock_release+0xd70/0xd70 [ 57.348246] ? install_new_memslots+0x420/0x420 [ 57.348719] ? avc_has_extended_perms+0x7fa/0x12c0 [ 57.349199] ? unwind_get_return_address+0x61/0xa0 [ 57.349689] ? avc_ss_reset+0x110/0x110 [ 57.350097] ? putname+0xee/0x130 [ 57.350570] ? save_stack+0xa3/0xd0 [ 57.350924] ? save_stack_trace+0x16/0x20 [ 57.351323] ? save_stack+0x43/0xd0 [ 57.351672] ? kasan_slab_free+0x71/0xc0 [ 57.352112] ? kmem_cache_free+0x77/0x280 [ 57.352505] ? putname+0xee/0x130 [ 57.353012] ? do_sys_open+0x31b/0x6d0 [ 57.353419] ? __lock_is_held+0xbc/0x140 [ 57.353834] ? check_same_owner+0x320/0x320 [ 57.354296] ? rcu_note_context_switch+0x710/0x710 [ 57.354780] ? install_new_memslots+0x420/0x420 [ 57.355248] do_vfs_ioctl+0x1b1/0x1530 [ 57.355620] ? _cond_resched+0x14/0x30 [ 57.356025] ? ioctl_preallocate+0x2b0/0x2b0 [ 57.356497] ? selinux_capable+0x40/0x40 [ 57.356900] ? putname+0xf3/0x130 [ 57.357468] ? security_file_ioctl+0x7d/0xb0 [ 57.357890] ? security_file_ioctl+0x89/0xb0 [ 57.358557] SyS_ioctl+0x8f/0xc0 [ 57.359082] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 57.359798] RIP: 0033:0x435369 [ 57.360299] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 57.361462] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 57.362561] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002de [ 57.363653] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 57.364775] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 57.366528] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 57.367351] CPU: 3 PID: 3101 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 57.368187] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 57.370765] Call Trace: [ 57.371042] dump_stack+0x194/0x257 [ 57.371414] ? arch_local_irq_restore+0x53/0x53 [ 57.371816] ? isolate_lru_page+0x11d0/0x11d0 [ 57.372235] warn_alloc+0x1c2/0x2f0 [ 57.372671] ? zone_watermark_ok_safe+0x430/0x430 [ 57.373172] ? rcu_note_context_switch+0x710/0x710 [ 57.373678] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 57.374221] ? warn_alloc+0x2f0/0x2f0 [ 57.374618] ? SyS_ioctl+0x8f/0xc0 [ 57.374974] ? warn_alloc+0x2f0/0x2f0 [ 57.375357] ? save_stack_trace+0x16/0x20 [ 57.375795] ? check_noncircular+0x20/0x20 [ 57.376185] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.376658] ? find_held_lock+0x39/0x1d0 [ 57.377033] ? lock_downgrade+0x990/0x990 [ 57.377426] ? check_same_owner+0x320/0x320 [ 57.377810] ? rcu_note_context_switch+0x710/0x710 [ 57.378239] ? check_noncircular+0x20/0x20 [ 57.378535] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 57.378936] ? __might_sleep+0x95/0x190 [ 57.379169] __alloc_pages_nodemask+0x9f7/0xd80 [ 57.379524] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.379959] ? __alloc_pages_nodemask+0xae5/0xd80 [ 57.380383] ? find_held_lock+0x39/0x1d0 [ 57.380746] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.381216] ? cache_grow_begin+0x31b/0x400 [ 57.381615] cache_grow_begin+0x86/0x400 [ 57.381990] fallback_alloc+0x150/0x2b0 [ 57.382357] ____cache_alloc_node+0x1cf/0x1e0 [ 57.382760] kmem_cache_alloc_trace+0x27d/0x750 [ 57.383167] ? lock_downgrade+0x990/0x990 [ 57.383542] kvm_dev_ioctl+0x216/0x1840 [ 57.383895] ? lock_release+0xd70/0xd70 [ 57.384258] ? install_new_memslots+0x420/0x420 [ 57.384692] ? avc_has_extended_perms+0x7fa/0x12c0 [ 57.385117] ? unwind_get_return_address+0x61/0xa0 [ 57.385562] ? avc_ss_reset+0x110/0x110 [ 57.385916] ? putname+0xee/0x130 [ 57.386360] ? save_stack+0xa3/0xd0 [ 57.386805] ? save_stack_trace+0x16/0x20 [ 57.387215] ? save_stack+0x43/0xd0 [ 57.387616] ? kasan_slab_free+0x71/0xc0 [ 57.388018] ? kmem_cache_free+0x77/0x280 [ 57.388445] ? putname+0xee/0x130 [ 57.388791] ? do_sys_open+0x31b/0x6d0 [ 57.389320] ? __lock_is_held+0xbc/0x140 [ 57.389749] ? check_same_owner+0x320/0x320 [ 57.390185] ? rcu_note_context_switch+0x710/0x710 [ 57.390978] ? install_new_memslots+0x420/0x420 [ 57.391441] do_vfs_ioctl+0x1b1/0x1530 [ 57.391826] ? _cond_resched+0x14/0x30 [ 57.392220] ? ioctl_preallocate+0x2b0/0x2b0 [ 57.392665] ? selinux_capable+0x40/0x40 [ 57.393072] ? putname+0xf3/0x130 [ 57.393435] ? security_file_ioctl+0x7d/0xb0 [ 57.393869] ? security_file_ioctl+0x89/0xb0 [ 57.394304] SyS_ioctl+0x8f/0xc0 [ 57.394907] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 57.395373] RIP: 0033:0x435369 [ 57.395694] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 57.396454] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 57.397167] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002e1 [ 57.397875] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 57.398844] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 57.402156] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.959351] syzkaller500434 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 59.964896] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 59.966110] CPU: 3 PID: 3097 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 59.972193] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 59.975143] Call Trace: [ 59.975700] dump_stack+0x194/0x257 [ 59.976407] ? arch_local_irq_restore+0x53/0x53 [ 59.977292] ? check_noncircular+0x20/0x20 [ 59.978155] dump_header+0x234/0xa0e [ 59.978718] ? pagefault_out_of_memory+0x152/0x152 [ 59.979234] ? lock_acquire+0x1d5/0x580 [ 59.979725] ? ___ratelimit+0x152/0x630 [ 59.980230] ? do_raw_spin_trylock+0x190/0x190 [ 59.980850] ? mark_held_locks+0xb2/0x100 [ 59.981462] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 59.982046] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 59.982660] ? trace_hardirqs_on+0xd/0x10 [ 59.983133] ? ___ratelimit+0x95/0x630 [ 59.983479] ? idr_get_free+0xff0/0xff0 [ 59.983918] ? lock_downgrade+0x990/0x990 [ 59.984322] ? cred_has_capability+0x1a0/0x3d0 [ 59.984775] oom_kill_process+0x86d/0x13d0 [ 59.985267] ? lock_release+0xd70/0xd70 [ 59.985670] ? oom_evaluate_task+0x480/0x480 [ 59.986137] ? security_capable_noaudit+0x8b/0xc0 [ 59.986617] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 59.987229] ? check_noncircular+0x20/0x20 [ 59.987734] ? has_capability+0x30/0x30 [ 59.988314] ? has_capability_noaudit+0x24/0x30 [ 59.989227] ? oom_badness+0xdf/0xb80 [ 59.989706] ? find_held_lock+0x39/0x1d0 [ 59.990166] ? lock_downgrade+0x990/0x990 [ 59.990639] ? out_of_memory+0x8c1/0x11d0 [ 59.991086] ? oom_reaper+0x4d0/0x4d0 [ 59.991499] ? lock_release+0xd70/0xd70 [ 59.991995] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 59.992589] ? oom_evaluate_task+0x284/0x480 [ 59.993030] out_of_memory+0x7dd/0x11d0 [ 59.993426] ? oom_killer_disable+0x310/0x310 [ 59.993847] ? mutex_trylock+0x23a/0x2d0 [ 59.994225] ? rcu_pm_notify+0xc0/0xc0 [ 59.994591] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 59.995114] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 59.995681] ? warn_alloc+0x2f0/0x2f0 [ 59.996102] ? do_vfs_ioctl+0x1b1/0x1530 [ 59.996479] ? warn_alloc+0x2f0/0x2f0 [ 59.996785] ? save_stack_trace+0x16/0x20 [ 59.997106] ? check_noncircular+0x20/0x20 [ 59.997412] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 59.997825] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 59.998301] ? kvm_dev_ioctl+0xb4e/0x1840 [ 59.998725] ? do_vfs_ioctl+0x1b1/0x1530 [ 59.999120] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 59.999628] ? find_held_lock+0x39/0x1d0 [ 60.000104] ? check_same_owner+0x320/0x320 [ 60.000563] ? find_held_lock+0x39/0x1d0 [ 60.001005] ? __might_sleep+0x95/0x190 [ 60.001430] __alloc_pages_nodemask+0x9f7/0xd80 [ 60.001924] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 60.002452] ? __alloc_pages_nodemask+0xae5/0xd80 [ 60.002959] ? find_held_lock+0x39/0x1d0 [ 60.003389] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 60.003946] ? cache_grow_begin+0x31b/0x400 [ 60.004410] cache_grow_begin+0x86/0x400 [ 60.004845] fallback_alloc+0x150/0x2b0 [ 60.005274] ____cache_alloc_node+0x1cf/0x1e0 [ 60.005751] kmem_cache_alloc_trace+0x27d/0x750 [ 60.006258] ? __debugfs_create_file+0x2cc/0x3e0 [ 60.006784] kvm_uevent_notify_change.part.38+0x174/0x430 [ 60.007382] kvm_dev_ioctl+0x716/0x1840 [ 60.007859] ? install_new_memslots+0x420/0x420 [ 60.008451] ? avc_has_extended_perms+0x7fa/0x12c0 [ 60.009031] ? unwind_get_return_address+0x61/0xa0 [ 60.009599] ? avc_ss_reset+0x110/0x110 [ 60.010603] ? putname+0xee/0x130 [ 60.010986] ? save_stack+0xa3/0xd0 [ 60.011468] ? save_stack_trace+0x16/0x20 [ 60.011910] ? save_stack+0x43/0xd0 [ 60.012310] ? kmem_cache_free+0x77/0x280 [ 60.012919] ? putname+0xee/0x130 [ 60.013470] ? do_sys_open+0x31b/0x6d0 [ 60.013884] ? __lock_is_held+0xbc/0x140 [ 60.014323] ? check_same_owner+0x320/0x320 [ 60.014891] ? install_new_memslots+0x420/0x420 [ 60.015473] do_vfs_ioctl+0x1b1/0x1530 [ 60.015881] ? _cond_resched+0x14/0x30 [ 60.016359] ? ioctl_preallocate+0x2b0/0x2b0 [ 60.016867] ? selinux_capable+0x40/0x40 [ 60.017381] ? putname+0xf3/0x130 [ 60.017839] ? security_file_ioctl+0x7d/0xb0 [ 60.018361] ? security_file_ioctl+0x89/0xb0 [ 60.018892] SyS_ioctl+0x8f/0xc0 [ 60.019331] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 60.019875] RIP: 0033:0x435369 [ 60.020283] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 60.021227] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 60.022220] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000034f [ 60.023038] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 60.023918] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 60.024946] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 60.025883] Mem-Info: [ 60.026252] active_anon:3326 inactive_anon:42 isolated_anon:0 [ 60.026252] active_file:17 inactive_file:26 isolated_file:11 [ 60.026252] unevictable:0 dirty:0 writeback:0 unstable:0 [ 60.026252] slab_reclaimable:53753 slab_unreclaimable:329280 [ 60.026252] mapped:29 shmem:76 pagetables:282 bounce:0 [ 60.026252] free:18158 free_pcp:3 free_cma:0 [ 60.029869] Node 0 active_anon:4200kB inactive_anon:80kB active_file:28kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):44kB mapped:116kB dirty:0kB writeback:0kB shmem:96kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 60.032900] Node 1 active_anon:9104kB inactive_anon:88kB active_file:40kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 60.035666] Node 0 DMA free:4116kB min:640kB low:800kB high:960kB active_anon:40kB 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 [ 60.038601] lowmem_reserve[]: 0 886 886 886 [ 60.039137] Node 0 DMA32 free:38220kB min:36536kB low:45668kB high:54800kB active_anon:4160kB inactive_anon:80kB active_file:244kB inactive_file:292kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1728kB pagetables:552kB bounce:0kB free_pcp:12kB local_pcp:0kB free_cma:0kB [ 60.043201] lowmem_reserve[]: 0 0 0 0 [ 60.043637] Node 1 DMA32 free:30296kB min:30404kB low:38004kB high:45604kB active_anon:9104kB inactive_anon:88kB active_file:40kB inactive_file:40kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2112kB pagetables:576kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 60.046196] lowmem_reserve[]: 0 0 0 0 [ 60.046572] Node 0 DMA: 7*4kB (UME) 1*8kB (U) 1*16kB (M) 1*32kB (E) 3*64kB (UME) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (ME) 0*2048kB 0*4096kB = 4116kB [ 60.047949] Node 0 DMA32: 242*4kB (UME) 385*8kB (UMH) 353*16kB (UMH) 147*32kB (UMEH) 60*64kB (UMEH) 9*128kB (ME) 4*256kB (UME) 3*512kB (UM) 0*1024kB 2*2048kB (UE) 3*4096kB (M) = 38336kB [ 60.049609] Node 1 DMA32: 242*4kB (UME) 162*8kB (UME) 566*16kB (UME) 377*32kB (UME) 108*64kB (UME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30296kB [ 60.051031] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 60.052096] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 60.053299] 126 total pagecache pages [ 60.053708] 0 pages in swap cache [ 60.054100] Swap cache stats: add 0, delete 0, find 0/0 [ 60.054743] Free swap = 0kB [ 60.055498] Total swap = 0kB [ 60.055824] 524186 pages RAM [ 60.058416] 0 pages HighMem/MovableOnly [ 60.058844] 103968 pages reserved [ 60.059219] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 60.060194] [ 1526] 0 1526 7016 1795 18 3 0 -1000 udevd [ 60.061226] [ 2846] 0 2846 2493 573 8 3 0 0 dhclient [ 60.062169] [ 3014] 0 3014 4725 47 15 3 0 0 cron [ 60.063140] [ 3037] 0 3037 12490 152 30 4 0 -1000 sshd [ 60.064046] [ 3064] 0 3064 3694 41 11 3 0 0 getty [ 60.064907] [ 3065] 0 3065 3694 42 13 3 0 0 getty [ 60.065896] [ 3066] 0 3066 3694 39 13 3 0 0 getty [ 60.066869] [ 3067] 0 3067 3694 39 13 3 0 0 getty [ 60.067818] [ 3068] 0 3068 3694 40 13 3 0 0 getty [ 60.068797] [ 3069] 0 3069 3694 41 13 3 0 0 getty [ 60.069776] [ 3071] 0 3071 3649 40 13 3 0 0 getty [ 60.070773] [ 3072] 0 3072 5365 155 14 3 0 -1000 udevd [ 60.071816] [ 3073] 0 3073 5365 154 14 3 0 -1000 udevd [ 60.072795] [ 3093] 0 3093 17820 197 40 3 0 0 sshd [ 60.073754] [ 3095] 0 3095 271 1 4 2 0 0 syzkaller500434 [ 60.076069] [ 3096] 0 3096 4366 12 5 2 0 0 syzkaller500434 [ 60.077479] [ 3097] 0 3097 4366 12 5 2 0 0 syzkaller500434 [ 60.078517] [ 3098] 0 3098 4366 12 5 2 0 0 syzkaller500434 [ 60.079731] [ 3099] 0 3099 4366 12 5 2 0 0 syzkaller500434 [ 60.080749] [ 3100] 0 3100 4366 12 5 2 0 0 syzkaller500434 [ 60.081765] [ 3101] 0 3101 4366 12 5 2 0 0 syzkaller500434 [ 60.082789] [ 3102] 0 3102 4366 12 5 2 0 0 syzkaller500434 [ 60.083924] [ 3103] 0 3103 4366 12 5 2 0 0 syzkaller500434 [ 60.084947] Out of memory: Kill process 2846 (dhclient) score 1 or sacrifice child [ 60.086076] Killed process 2846 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 60.624829] warn_alloc: 20 callbacks suppressed [ 60.625309] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 60.626161] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 60.626602] CPU: 1 PID: 3101 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 60.627335] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 60.627940] Call Trace: [ 60.628182] dump_stack+0x194/0x257 [ 60.628513] ? arch_local_irq_restore+0x53/0x53 [ 60.629337] ? flush_work+0x621/0x930 [ 60.629611] warn_alloc+0x1c2/0x2f0 [ 60.629942] ? zone_watermark_ok_safe+0x430/0x430 [ 60.630275] ? mutex_unlock+0xd/0x10 [ 60.630638] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 60.631010] ? warn_alloc+0x2f0/0x2f0 [ 60.631355] ? SyS_ioctl+0x8f/0xc0 [ 60.631608] ? warn_alloc+0x2f0/0x2f0 [ 60.631953] ? save_stack_trace+0x16/0x20 [ 60.632259] ? check_noncircular+0x20/0x20 [ 60.632647] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 60.633018] ? find_held_lock+0x39/0x1d0 [ 60.633390] ? lock_downgrade+0x990/0x990 [ 60.633694] ? check_same_owner+0x320/0x320 [ 60.634082] ? rcu_note_context_switch+0x710/0x710 [ 60.634459] ? check_noncircular+0x20/0x20 [ 60.634894] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 60.635591] ? __might_sleep+0x95/0x190 [ 60.636021] __alloc_pages_nodemask+0x9f7/0xd80 [ 60.636525] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 60.637057] ? __alloc_pages_nodemask+0xae5/0xd80 [ 60.637576] ? find_held_lock+0x39/0x1d0 [ 60.638009] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 60.638704] ? cache_grow_begin+0x31b/0x400 [ 60.639231] cache_grow_begin+0x86/0x400 [ 60.639867] fallback_alloc+0x150/0x2b0 [ 60.640720] ____cache_alloc_node+0x1cf/0x1e0 [ 60.641558] kmem_cache_alloc_trace+0x27d/0x750 [ 60.642401] ? lock_downgrade+0x990/0x990 [ 60.643169] kvm_dev_ioctl+0x216/0x1840 [ 60.643887] ? lock_release+0xd70/0xd70 [ 60.644598] ? install_new_memslots+0x420/0x420 [ 60.645460] ? avc_has_extended_perms+0x7fa/0x12c0 [ 60.646356] ? unwind_get_return_address+0x61/0xa0 [ 60.647255] ? avc_ss_reset+0x110/0x110 [ 60.647973] ? putname+0xee/0x130 [ 60.648593] ? save_stack+0xa3/0xd0 [ 60.649511] ? save_stack_trace+0x16/0x20 [ 60.650615] ? save_stack+0x43/0xd0 [ 60.651207] ? kasan_slab_free+0x71/0xc0 [ 60.651869] ? kmem_cache_free+0x77/0x280 [ 60.652607] ? putname+0xee/0x130 [ 60.653232] ? do_sys_open+0x31b/0x6d0 [ 60.653954] ? __lock_is_held+0xbc/0x140 [ 60.654756] ? check_same_owner+0x320/0x320 [ 60.655514] ? rcu_note_context_switch+0x710/0x710 [ 60.656415] ? install_new_memslots+0x420/0x420 [ 60.657185] do_vfs_ioctl+0x1b1/0x1530 [ 60.657547] ? _cond_resched+0x14/0x30 [ 60.657911] ? ioctl_preallocate+0x2b0/0x2b0 [ 60.658228] ? selinux_capable+0x40/0x40 [ 60.658614] ? putname+0xf3/0x130 [ 60.658948] ? security_file_ioctl+0x7d/0xb0 [ 60.659352] ? security_file_ioctl+0x89/0xb0 [ 60.659759] SyS_ioctl+0x8f/0xc0 [ 60.660075] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 60.660509] RIP: 0033:0x435369 [ 60.660807] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 60.661515] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 60.662174] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002e6 [ 60.662836] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 60.663494] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 60.664149] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 60.664861] warn_alloc_show_mem: 6 callbacks suppressed [ 60.665371] Mem-Info: [ 60.665609] active_anon:2776 inactive_anon:42 isolated_anon:0 [ 60.665609] active_file:59 inactive_file:90 isolated_file:11 [ 60.665609] unevictable:0 dirty:0 writeback:0 unstable:0 [ 60.665609] slab_reclaimable:53793 slab_unreclaimable:329266 [ 60.665609] mapped:99 shmem:76 pagetables:282 bounce:0 [ 60.665609] free:18564 free_pcp:8 free_cma:0 [ 60.668540] Node 0 active_anon:2804kB inactive_anon:80kB active_file:200kB inactive_file:324kB unevictable:0kB isolated(anon):0kB isolated(file):44kB mapped:396kB dirty:0kB writeback:0kB shmem:96kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 60.670983] Node 1 active_anon:8300kB inactive_anon:88kB active_file:36kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 60.673586] Node 0 DMA free:4116kB min:640kB low:800kB high:960kB active_anon:40kB 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 [ 60.675986] lowmem_reserve[]: 0 886 886 886 [ 60.676423] Node 0 DMA32 free:37904kB min:36536kB low:45668kB high:54800kB active_anon:3156kB inactive_anon:80kB active_file:184kB inactive_file:660kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1728kB pagetables:556kB bounce:0kB free_pcp:28kB local_pcp:0kB free_cma:0kB [ 60.678912] lowmem_reserve[]: 0 0 0 0 [ 60.679290] Node 1 DMA32 free:32236kB min:30404kB low:38004kB high:45604kB active_anon:8300kB inactive_anon:88kB active_file:36kB inactive_file:36kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2080kB pagetables:572kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 60.681760] lowmem_reserve[]: 0 0 0 0 [ 60.682135] Node 0 DMA: 7*4kB (UME) 1*8kB (U) 1*16kB (M) 1*32kB (E) 3*64kB (UME) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (ME) 0*2048kB 0*4096kB = 4116kB [ 60.683555] Node 0 DMA32: 176*4kB (UM) 336*8kB (UMEH) 359*16kB (UMH) 161*32kB (UMH) 70*64kB (UMH) 11*128kB (ME) 3*256kB (ME) 2*512kB (M) 0*1024kB 2*2048kB (UE) 3*4096kB (M) = 38352kB [ 60.685145] Node 1 DMA32: 261*4kB (UM) 278*8kB (UME) 593*16kB (UME) 386*32kB (UME) 112*64kB (UME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32276kB [ 60.686339] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 60.687146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 60.687923] 223 total pagecache pages [ 60.688292] 0 pages in swap cache [ 60.688611] Swap cache stats: add 0, delete 0, find 0/0 [ 60.689114] Free swap = 0kB [ 60.689393] Total swap = 0kB [ 60.689672] 524186 pages RAM [ 60.689949] 0 pages HighMem/MovableOnly [ 60.690326] 103968 pages reserved executing program [ 60.716147] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 60.718171] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 60.719097] CPU: 2 PID: 3101 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 60.720522] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 60.721927] Call Trace: [ 60.722386] dump_stack+0x194/0x257 [ 60.723014] ? arch_local_irq_restore+0x53/0x53 [ 60.723634] ? flush_work+0x621/0x930 [ 60.724075] warn_alloc+0x1c2/0x2f0 [ 60.724489] ? zone_watermark_ok_safe+0x430/0x430 [ 60.725038] ? mutex_unlock+0xd/0x10 [ 60.725480] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 60.726102] ? warn_alloc+0x2f0/0x2f0 [ 60.726535] ? SyS_ioctl+0x8f/0xc0 [ 60.726974] ? warn_alloc+0x2f0/0x2f0 [ 60.727582] ? save_stack_trace+0x16/0x20 [ 60.728321] ? check_noncircular+0x20/0x20 [ 60.729062] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 60.729964] ? find_held_lock+0x39/0x1d0 [ 60.730689] ? lock_downgrade+0x990/0x990 [ 60.731217] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 60.731228] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 60.734360] ? check_same_owner+0x320/0x320 [ 60.735148] ? rcu_note_context_switch+0x710/0x710 [ 60.736469] ? check_noncircular+0x20/0x20 [ 60.737222] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 60.738421] ? __might_sleep+0x95/0x190 [ 60.739125] __alloc_pages_nodemask+0x9f7/0xd80 [ 60.739965] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 60.740864] ? __alloc_pages_nodemask+0xae5/0xd80 [ 60.741733] ? find_held_lock+0x39/0x1d0 [ 60.742391] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 60.743316] ? cache_grow_begin+0x31b/0x400 [ 60.744093] cache_grow_begin+0x86/0x400 [ 60.744811] fallback_alloc+0x150/0x2b0 [ 60.745526] ____cache_alloc_node+0x1cf/0x1e0 [ 60.746345] kmem_cache_alloc_trace+0x27d/0x750 [ 60.747168] ? lock_downgrade+0x990/0x990 [ 60.747907] kvm_dev_ioctl+0x216/0x1840 [ 60.748617] ? lock_release+0xd70/0xd70 [ 60.749313] ? install_new_memslots+0x420/0x420 [ 60.750167] ? avc_has_extended_perms+0x7fa/0x12c0 [ 60.751009] ? unwind_get_return_address+0x61/0xa0 [ 60.751894] ? avc_ss_reset+0x110/0x110 [ 60.752603] ? putname+0xee/0x130 [ 60.753222] ? save_stack+0xa3/0xd0 [ 60.753863] ? save_stack_trace+0x16/0x20 [ 60.754616] ? save_stack+0x43/0xd0 [ 60.755259] ? kasan_slab_free+0x71/0xc0 [ 60.755978] ? kmem_cache_free+0x77/0x280 [ 60.756715] ? putname+0xee/0x130 [ 60.757242] ? do_sys_open+0x31b/0x6d0 [ 60.758535] ? __lock_is_held+0xbc/0x140 [ 60.759283] ? check_same_owner+0x320/0x320 [ 60.760164] ? rcu_note_context_switch+0x710/0x710 [ 60.761025] ? install_new_memslots+0x420/0x420 [ 60.761907] do_vfs_ioctl+0x1b1/0x1530 [ 60.762586] ? _cond_resched+0x14/0x30 [ 60.763272] ? ioctl_preallocate+0x2b0/0x2b0 [ 60.764060] ? selinux_capable+0x40/0x40 [ 60.764782] ? putname+0xf3/0x130 [ 60.765423] ? security_file_ioctl+0x7d/0xb0 [ 60.766212] ? security_file_ioctl+0x89/0xb0 [ 60.766980] SyS_ioctl+0x8f/0xc0 [ 60.767597] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 60.768444] RIP: 0033:0x435369 [ 60.769015] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 60.770406] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 60.771676] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002e7 [ 60.772886] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 60.774111] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 60.775373] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 60.778896] CPU: 1 PID: 3099 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 60.779747] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 60.781845] Call Trace: [ 60.782132] dump_stack+0x194/0x257 [ 60.785212] ? arch_local_irq_restore+0x53/0x53 [ 60.785794] ? isolate_lru_page+0x11d0/0x11d0 [ 60.786313] warn_alloc+0x1c2/0x2f0 [ 60.786653] ? zone_watermark_ok_safe+0x430/0x430 [ 60.787157] ? rcu_note_context_switch+0x710/0x710 [ 60.787695] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 60.788240] ? warn_alloc+0x2f0/0x2f0 [ 60.788580] ? SyS_ioctl+0x8f/0xc0 [ 60.788965] ? warn_alloc+0x2f0/0x2f0 [ 60.789311] ? save_stack_trace+0x16/0x20 [ 60.789688] ? check_noncircular+0x20/0x20 [ 60.790119] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 60.790593] ? find_held_lock+0x39/0x1d0 [ 60.791112] ? lock_downgrade+0x990/0x990 [ 60.794385] ? check_same_owner+0x320/0x320 [ 60.795206] ? rcu_note_context_switch+0x710/0x710 [ 60.796082] ? check_noncircular+0x20/0x20 [ 60.796857] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 60.798141] ? __might_sleep+0x95/0x190 [ 60.799062] __alloc_pages_nodemask+0x9f7/0xd80 [ 60.800446] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 60.801370] ? __alloc_pages_nodemask+0xae5/0xd80 [ 60.802268] ? find_held_lock+0x39/0x1d0 [ 60.803035] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 60.803988] ? cache_grow_begin+0x31b/0x400 [ 60.804795] cache_grow_begin+0x86/0x400 [ 60.805548] fallback_alloc+0x150/0x2b0 [ 60.806294] ____cache_alloc_node+0x1cf/0x1e0 [ 60.807093] kmem_cache_alloc_trace+0x27d/0x750 [ 60.807844] ? lock_downgrade+0x990/0x990 [ 60.808611] kvm_dev_ioctl+0x216/0x1840 [ 60.809359] ? lock_release+0xd70/0xd70 [ 60.810081] ? install_new_memslots+0x420/0x420 [ 60.810952] ? avc_has_extended_perms+0x7fa/0x12c0 [ 60.811760] ? unwind_get_return_address+0x61/0xa0 [ 60.812300] ? avc_ss_reset+0x110/0x110 [ 60.812752] ? putname+0xee/0x130 [ 60.813168] ? save_stack+0xa3/0xd0 [ 60.813539] ? save_stack_trace+0x16/0x20 [ 60.814017] ? save_stack+0x43/0xd0 [ 60.814414] ? kasan_slab_free+0x71/0xc0 [ 60.815241] ? kmem_cache_free+0x77/0x280 [ 60.815681] ? putname+0xee/0x130 [ 60.816059] ? do_sys_open+0x31b/0x6d0 [ 60.816474] ? __lock_is_held+0xbc/0x140 [ 60.816932] ? check_same_owner+0x320/0x320 [ 60.817401] ? rcu_note_context_switch+0x710/0x710 [ 60.817934] ? install_new_memslots+0x420/0x420 [ 60.818439] do_vfs_ioctl+0x1b1/0x1530 [ 60.818848] ? _cond_resched+0x14/0x30 [ 60.819266] ? ioctl_preallocate+0x2b0/0x2b0 [ 60.819733] ? selinux_capable+0x40/0x40 [ 60.826973] ? putname+0xf3/0x130 [ 60.827468] ? security_file_ioctl+0x7d/0xb0 [ 60.828123] ? security_file_ioctl+0x89/0xb0 [ 60.828739] SyS_ioctl+0x8f/0xc0 [ 60.829173] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 60.829805] RIP: 0033:0x435369 [ 60.830218] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 60.831288] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 60.832291] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000030d [ 60.833247] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 60.834150] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 60.834720] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 60.839716] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 60.841878] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 60.843557] CPU: 2 PID: 3101 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 60.844656] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 60.845518] Call Trace: [ 60.845903] dump_stack+0x194/0x257 [ 60.846671] ? arch_local_irq_restore+0x53/0x53 [ 60.847774] ? flush_work+0x621/0x930 [ 60.848551] warn_alloc+0x1c2/0x2f0 [ 60.849215] ? zone_watermark_ok_safe+0x430/0x430 [ 60.850260] ? mutex_unlock+0xd/0x10 executing program executing program [ 60.850734] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 60.851670] ? warn_alloc+0x2f0/0x2f0 [ 60.852107] ? SyS_ioctl+0x8f/0xc0 [ 60.852455] ? warn_alloc+0x2f0/0x2f0 [ 60.852736] ? save_stack_trace+0x16/0x20 [ 60.853070] ? check_noncircular+0x20/0x20 [ 60.853347] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 60.853365] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 60.855139] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 60.855680] ? find_held_lock+0x39/0x1d0 [ 60.856115] ? lock_downgrade+0x990/0x990 [ 60.856478] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 60.856497] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 60.858210] ? check_same_owner+0x320/0x320 [ 60.858656] ? rcu_note_context_switch+0x710/0x710 [ 60.859157] ? check_noncircular+0x20/0x20 [ 60.859700] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 60.864094] ? __might_sleep+0x95/0x190 [ 60.864445] __alloc_pages_nodemask+0x9f7/0xd80 [ 60.864844] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 60.865319] ? __alloc_pages_nodemask+0xae5/0xd80 [ 60.865791] ? find_held_lock+0x39/0x1d0 [ 60.866194] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 60.866717] ? cache_grow_begin+0x31b/0x400 [ 60.867243] cache_grow_begin+0x86/0x400 [ 60.867878] fallback_alloc+0x150/0x2b0 [ 60.868509] ____cache_alloc_node+0x1cf/0x1e0 [ 60.869214] kmem_cache_alloc_trace+0x27d/0x750 [ 60.869932] ? lock_downgrade+0x990/0x990 [ 60.870597] kvm_dev_ioctl+0x216/0x1840 [ 60.871225] ? lock_release+0xd70/0xd70 [ 60.871758] ? install_new_memslots+0x420/0x420 [ 60.872231] ? avc_has_extended_perms+0x7fa/0x12c0 [ 60.872705] ? unwind_get_return_address+0x61/0xa0 [ 60.873188] ? avc_ss_reset+0x110/0x110 [ 60.873577] ? putname+0xee/0x130 [ 60.873913] ? save_stack+0xa3/0xd0 [ 60.874269] ? save_stack_trace+0x16/0x20 [ 60.874672] ? save_stack+0x43/0xd0 [ 60.875151] ? kasan_slab_free+0x71/0xc0 [ 60.875540] ? kmem_cache_free+0x77/0x280 [ 60.875949] ? putname+0xee/0x130 [ 60.876294] ? do_sys_open+0x31b/0x6d0 [ 60.876676] ? __lock_is_held+0xbc/0x140 [ 60.877091] ? check_same_owner+0x320/0x320 [ 60.877521] ? rcu_note_context_switch+0x710/0x710 [ 60.878168] ? install_new_memslots+0x420/0x420 [ 60.878892] do_vfs_ioctl+0x1b1/0x1530 [ 60.879488] ? _cond_resched+0x14/0x30 [ 60.880189] ? ioctl_preallocate+0x2b0/0x2b0 [ 60.880858] ? selinux_capable+0x40/0x40 [ 60.881484] ? putname+0xf3/0x130 [ 60.882017] ? security_file_ioctl+0x7d/0xb0 [ 60.882685] ? security_file_ioctl+0x89/0xb0 [ 60.883353] SyS_ioctl+0x8f/0xc0 [ 60.883863] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 60.884573] RIP: 0033:0x435369 [ 60.885325] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 60.886497] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 60.887587] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002e8 [ 60.888674] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 60.889767] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 60.890858] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 60.891956] CPU: 3 PID: 3100 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 60.892843] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 60.893710] Call Trace: [ 60.894000] dump_stack+0x194/0x257 [ 60.894405] ? arch_local_irq_restore+0x53/0x53 [ 60.895069] ? isolate_lru_page+0x11d0/0x11d0 [ 60.895548] ? _find_next_bit+0xee/0x120 [ 60.896053] warn_alloc+0x1c2/0x2f0 [ 60.896444] ? zone_watermark_ok_safe+0x430/0x430 [ 60.897000] ? mutex_unlock+0xd/0x10 [ 60.897428] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 60.898043] ? warn_alloc+0x2f0/0x2f0 [ 60.899427] ? SyS_ioctl+0x8f/0xc0 [ 60.899719] ? warn_alloc+0x2f0/0x2f0 [ 60.900050] ? save_stack_trace+0x16/0x20 [ 60.900382] ? alloc_set_pte+0x1162/0x18f0 [ 60.900725] ? check_noncircular+0x20/0x20 [ 60.901078] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 60.901502] ? find_held_lock+0x39/0x1d0 [ 60.901866] ? lock_downgrade+0x990/0x990 [ 60.902433] ? check_same_owner+0x320/0x320 [ 60.902828] ? rcu_note_context_switch+0x710/0x710 [ 60.903618] ? check_noncircular+0x20/0x20 [ 60.904187] ? __might_sleep+0x95/0x190 [ 60.904686] __alloc_pages_nodemask+0x9f7/0xd80 [ 60.905182] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 60.905707] ? __alloc_pages_nodemask+0xae5/0xd80 [ 60.917407] ? find_held_lock+0x39/0x1d0 [ 60.927646] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 60.929607] ? cache_grow_begin+0x31b/0x400 [ 60.930018] cache_grow_begin+0x86/0x400 [ 60.930403] fallback_alloc+0x150/0x2b0 [ 60.930763] ____cache_alloc_node+0x1cf/0x1e0 [ 60.931234] kmem_cache_alloc_trace+0x27d/0x750 [ 60.931662] ? lock_downgrade+0x990/0x990 [ 60.932050] kvm_dev_ioctl+0x216/0x1840 [ 60.932408] ? lock_release+0xd70/0xd70 [ 60.932754] ? install_new_memslots+0x420/0x420 [ 60.933305] ? check_noncircular+0x20/0x20 [ 60.933706] ? __handle_mm_fault+0x587/0x39c0 [ 60.934197] ? avc_has_extended_perms+0x7fa/0x12c0 [ 60.934700] ? avc_ss_reset+0x110/0x110 [ 60.935085] ? lock_downgrade+0x990/0x990 [ 60.935569] ? check_same_owner+0x320/0x320 [ 60.936001] ? __handle_mm_fault+0x39c0/0x39c0 [ 60.937687] ? vmacache_find+0x61/0x270 [ 60.938228] ? rcu_note_context_switch+0x710/0x710 [ 60.938687] ? install_new_memslots+0x420/0x420 [ 60.939139] do_vfs_ioctl+0x1b1/0x1530 [ 60.939508] ? _cond_resched+0x14/0x30 [ 60.939902] ? ioctl_preallocate+0x2b0/0x2b0 [ 60.940324] ? selinux_capable+0x40/0x40 [ 60.940711] ? putname+0xf3/0x130 [ 60.941045] ? security_file_ioctl+0x7d/0xb0 [ 60.941393] ? security_file_ioctl+0x89/0xb0 [ 60.941730] SyS_ioctl+0x8f/0xc0 [ 60.941986] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 60.942352] RIP: 0033:0x435369 [ 60.942584] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 60.943145] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 60.943678] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000029a [ 60.944232] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 60.944758] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 60.945291] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 60.945835] CPU: 1 PID: 3099 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 60.946596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 60.947292] Call Trace: [ 60.947645] dump_stack+0x194/0x257 [ 60.947964] ? arch_local_irq_restore+0x53/0x53 [ 60.948373] ? flush_work+0x621/0x930 [ 60.948808] warn_alloc+0x1c2/0x2f0 [ 60.949189] ? zone_watermark_ok_safe+0x430/0x430 [ 60.949677] ? mutex_unlock+0xd/0x10 [ 60.950098] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 60.950670] ? warn_alloc+0x2f0/0x2f0 [ 60.954766] ? SyS_ioctl+0x8f/0xc0 [ 60.955808] ? warn_alloc+0x2f0/0x2f0 [ 60.956292] ? save_stack_trace+0x16/0x20 [ 60.956772] ? check_noncircular+0x20/0x20 [ 60.957262] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 60.957841] ? find_held_lock+0x39/0x1d0 [ 60.958310] ? lock_downgrade+0x990/0x990 [ 60.962920] ? check_same_owner+0x320/0x320 [ 60.963423] ? rcu_note_context_switch+0x710/0x710 [ 60.963985] ? check_noncircular+0x20/0x20 [ 60.964466] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 60.965224] ? __might_sleep+0x95/0x190 [ 60.965684] __alloc_pages_nodemask+0x9f7/0xd80 [ 60.966222] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 60.966798] ? __alloc_pages_nodemask+0xae5/0xd80 [ 60.967347] ? find_held_lock+0x39/0x1d0 [ 60.967809] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 60.968409] ? cache_grow_begin+0x31b/0x400 [ 60.968912] cache_grow_begin+0x86/0x400 [ 60.969383] fallback_alloc+0x150/0x2b0 [ 60.969836] ____cache_alloc_node+0x1cf/0x1e0 [ 60.970957] kmem_cache_alloc_trace+0x27d/0x750 [ 60.971444] ? lock_downgrade+0x990/0x990 [ 60.971921] kvm_dev_ioctl+0x216/0x1840 [ 60.972372] ? lock_release+0xd70/0xd70 [ 60.972822] ? install_new_memslots+0x420/0x420 [ 60.973360] ? avc_has_extended_perms+0x7fa/0x12c0 [ 60.973902] ? unwind_get_return_address+0x61/0xa0 [ 60.974546] ? avc_ss_reset+0x110/0x110 [ 60.974990] ? putname+0xee/0x130 [ 60.975378] ? save_stack+0xa3/0xd0 [ 60.975785] ? save_stack_trace+0x16/0x20 [ 60.976247] ? save_stack+0x43/0xd0 [ 60.976651] ? kasan_slab_free+0x71/0xc0 [ 60.977102] ? kmem_cache_free+0x77/0x280 [ 60.977557] ? putname+0xee/0x130 [ 60.977942] ? do_sys_open+0x31b/0x6d0 [ 60.978416] ? __lock_is_held+0xbc/0x140 [ 60.978889] ? check_same_owner+0x320/0x320 [ 60.979377] ? rcu_note_context_switch+0x710/0x710 [ 60.979931] ? install_new_memslots+0x420/0x420 [ 60.980432] do_vfs_ioctl+0x1b1/0x1530 [ 60.980860] ? _cond_resched+0x14/0x30 [ 60.981299] ? ioctl_preallocate+0x2b0/0x2b0 [ 60.981793] ? selinux_capable+0x40/0x40 [ 60.982250] ? putname+0xf3/0x130 [ 60.982869] ? security_file_ioctl+0x7d/0xb0 [ 60.983355] ? security_file_ioctl+0x89/0xb0 [ 60.983847] SyS_ioctl+0x8f/0xc0 [ 60.984247] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 60.984788] RIP: 0033:0x435369 [ 60.985135] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 60.986000] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 60.987146] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000030e [ 60.987963] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 60.989296] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 60.990115] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 60.993484] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 60.996036] syzkaller500434 cpuset=/ mems_allowed=0-1 executing program executing program executing program [ 60.997198] CPU: 3 PID: 3103 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 60.998942] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 61.000415] Call Trace: [ 61.000900] dump_stack+0x194/0x257 [ 61.001506] ? arch_local_irq_restore+0x53/0x53 [ 61.002181] ? flush_work+0x621/0x930 [ 61.002950] warn_alloc+0x1c2/0x2f0 [ 61.003818] ? zone_watermark_ok_safe+0x430/0x430 [ 61.004732] ? mutex_unlock+0xd/0x10 [ 61.005472] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 61.006484] ? warn_alloc+0x2f0/0x2f0 [ 61.007225] ? SyS_ioctl+0x8f/0xc0 [ 61.007815] ? warn_alloc+0x2f0/0x2f0 [ 61.008415] ? save_stack_trace+0x16/0x20 [ 61.009123] ? check_noncircular+0x20/0x20 [ 61.009551] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 61.010118] ? find_held_lock+0x39/0x1d0 [ 61.010674] ? lock_downgrade+0x990/0x990 [ 61.011274] ? check_same_owner+0x320/0x320 [ 61.011839] ? rcu_note_context_switch+0x710/0x710 [ 61.012564] ? check_noncircular+0x20/0x20 [ 61.013889] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 61.014759] ? __might_sleep+0x95/0x190 [ 61.015225] __alloc_pages_nodemask+0x9f7/0xd80 [ 61.015721] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 61.016288] ? __alloc_pages_nodemask+0xae5/0xd80 [ 61.016832] ? find_held_lock+0x39/0x1d0 [ 61.017307] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 61.017863] ? cache_grow_begin+0x31b/0x400 [ 61.018418] cache_grow_begin+0x86/0x400 [ 61.018824] fallback_alloc+0x150/0x2b0 [ 61.019290] ____cache_alloc_node+0x1cf/0x1e0 [ 61.019749] kmem_cache_alloc_trace+0x27d/0x750 [ 61.020260] ? lock_downgrade+0x990/0x990 [ 61.020694] kvm_dev_ioctl+0x216/0x1840 [ 61.021127] ? lock_release+0xd70/0xd70 [ 61.021544] ? install_new_memslots+0x420/0x420 [ 61.022130] ? avc_has_extended_perms+0x7fa/0x12c0 [ 61.022663] ? unwind_get_return_address+0x61/0xa0 [ 61.023232] ? avc_ss_reset+0x110/0x110 [ 61.023644] ? putname+0xee/0x130 [ 61.024006] ? save_stack+0xa3/0xd0 [ 61.024437] ? save_stack_trace+0x16/0x20 [ 61.024881] ? save_stack+0x43/0xd0 [ 61.025306] ? kasan_slab_free+0x71/0xc0 [ 61.025722] ? kmem_cache_free+0x77/0x280 [ 61.026247] ? putname+0xee/0x130 [ 61.026619] ? do_sys_open+0x31b/0x6d0 [ 61.027070] ? __lock_is_held+0xbc/0x140 [ 61.027521] ? check_same_owner+0x320/0x320 [ 61.027989] ? rcu_note_context_switch+0x710/0x710 [ 61.028558] ? install_new_memslots+0x420/0x420 [ 61.029081] do_vfs_ioctl+0x1b1/0x1530 [ 61.029490] ? _cond_resched+0x14/0x30 [ 61.029902] ? ioctl_preallocate+0x2b0/0x2b0 [ 61.030453] ? selinux_capable+0x40/0x40 [ 61.030887] ? putname+0xf3/0x130 [ 61.031320] ? security_file_ioctl+0x7d/0xb0 [ 61.031779] ? security_file_ioctl+0x89/0xb0 [ 61.032286] SyS_ioctl+0x8f/0xc0 [ 61.032644] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 61.033191] RIP: 0033:0x435369 [ 61.033517] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 61.034343] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 61.035040] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000032b [ 61.036362] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 61.037121] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 61.037851] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 executing program [ 61.160981] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 61.162846] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 61.163452] CPU: 3 PID: 3096 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 61.164334] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 61.165156] Call Trace: [ 61.165450] dump_stack+0x194/0x257 [ 61.165854] ? arch_local_irq_restore+0x53/0x53 [ 61.166373] ? flush_work+0x621/0x930 [ 61.166792] warn_alloc+0x1c2/0x2f0 [ 61.167188] ? zone_watermark_ok_safe+0x430/0x430 [ 61.167704] ? mutex_unlock+0xd/0x10 [ 61.168131] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 61.168718] ? warn_alloc+0x2f0/0x2f0 [ 61.169131] ? SyS_ioctl+0x8f/0xc0 [ 61.169518] ? warn_alloc+0x2f0/0x2f0 [ 61.169929] ? save_stack_trace+0x16/0x20 [ 61.170401] ? check_noncircular+0x20/0x20 [ 61.170869] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 61.171424] ? save_stack_trace+0x16/0x20 [ 61.171862] ? __lock_acquire+0x20f4/0x4620 [ 61.172308] ? find_held_lock+0x39/0x1d0 [ 61.172750] ? lock_downgrade+0x990/0x990 [ 61.173214] ? check_same_owner+0x320/0x320 [ 61.173670] ? rcu_note_context_switch+0x710/0x710 [ 61.174182] ? check_noncircular+0x20/0x20 [ 61.174634] ? __might_sleep+0x95/0x190 [ 61.175073] __alloc_pages_nodemask+0x9f7/0xd80 [ 61.175587] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 61.176119] ? __alloc_pages_nodemask+0xae5/0xd80 [ 61.176636] ? find_held_lock+0x39/0x1d0 [ 61.177074] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 61.177640] ? cache_grow_begin+0x31b/0x400 [ 61.178051] cache_grow_begin+0x86/0x400 [ 61.178354] fallback_alloc+0x150/0x2b0 [ 61.178657] ____cache_alloc_node+0x1cf/0x1e0 [ 61.179124] kmem_cache_alloc_trace+0x27d/0x750 [ 61.179625] ? lock_downgrade+0x990/0x990 [ 61.180025] ? lock_release+0xd70/0xd70 [ 61.180316] ? compat_start_thread+0x80/0x80 [ 61.180636] kvm_dev_ioctl+0x216/0x1840 [ 61.180989] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 61.181530] ? lock_release+0xd70/0xd70 [ 61.181964] ? install_new_memslots+0x420/0x420 [ 61.182493] ? avc_has_extended_perms+0x7fa/0x12c0 [ 61.183021] ? __schedule+0x92e/0x2070 [ 61.183386] ? avc_ss_reset+0x110/0x110 [ 61.185169] ? lock_downgrade+0x990/0x990 [ 61.185982] ? check_same_owner+0x320/0x320 [ 61.186777] ? __handle_mm_fault+0x39c0/0x39c0 [ 61.187604] ? rcu_note_context_switch+0x710/0x710 [ 61.188601] ? install_new_memslots+0x420/0x420 [ 61.189401] do_vfs_ioctl+0x1b1/0x1530 [ 61.190105] ? _cond_resched+0x14/0x30 [ 61.190811] ? ioctl_preallocate+0x2b0/0x2b0 [ 61.191602] ? selinux_capable+0x40/0x40 [ 61.192630] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 61.193617] ? security_file_ioctl+0x7d/0xb0 [ 61.194409] ? security_file_ioctl+0x89/0xb0 [ 61.195204] SyS_ioctl+0x8f/0xc0 [ 61.195827] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 61.196802] RIP: 0033:0x435369 [ 61.197387] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 61.198480] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 61.199782] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000323 [ 61.201182] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 61.202467] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 61.203792] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 61.207599] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 61.218962] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 61.219501] CPU: 1 PID: 3098 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 61.220315] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 61.221102] Call Trace: [ 61.221317] dump_stack+0x194/0x257 [ 61.221645] ? arch_local_irq_restore+0x53/0x53 [ 61.222069] ? flush_work+0x621/0x930 [ 61.222540] warn_alloc+0x1c2/0x2f0 [ 61.223243] ? zone_watermark_ok_safe+0x430/0x430 [ 61.224238] ? mutex_unlock+0xd/0x10 [ 61.225041] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 61.226686] ? warn_alloc+0x2f0/0x2f0 [ 61.227098] ? SyS_ioctl+0x8f/0xc0 [ 61.227496] ? warn_alloc+0x2f0/0x2f0 [ 61.227900] ? save_stack_trace+0x16/0x20 [ 61.228342] ? alloc_set_pte+0x1162/0x18f0 [ 61.228793] ? check_noncircular+0x20/0x20 [ 61.229236] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 61.229803] ? find_held_lock+0x39/0x1d0 [ 61.230248] ? lock_downgrade+0x990/0x990 [ 61.230727] ? check_same_owner+0x320/0x320 [ 61.231187] ? rcu_note_context_switch+0x710/0x710 [ 61.231655] ? check_noncircular+0x20/0x20 [ 61.232100] ? __might_sleep+0x95/0x190 [ 61.232525] __alloc_pages_nodemask+0x9f7/0xd80 [ 61.233022] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 61.233546] ? __alloc_pages_nodemask+0xae5/0xd80 [ 61.234063] ? find_held_lock+0x39/0x1d0 [ 61.235964] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 61.236358] ? cache_grow_begin+0x31b/0x400 [ 61.236666] cache_grow_begin+0x86/0x400 [ 61.236953] fallback_alloc+0x150/0x2b0 [ 61.237253] ____cache_alloc_node+0x1cf/0x1e0 [ 61.237569] kmem_cache_alloc_trace+0x27d/0x750 [ 61.237897] ? lock_downgrade+0x990/0x990 [ 61.238211] kvm_dev_ioctl+0x216/0x1840 [ 61.238503] ? lock_release+0xd70/0xd70 [ 61.238784] ? install_new_memslots+0x420/0x420 [ 61.239128] ? check_noncircular+0x20/0x20 [ 61.239581] ? __handle_mm_fault+0x587/0x39c0 [ 61.239982] ? avc_has_extended_perms+0x7fa/0x12c0 [ 61.240465] ? avc_ss_reset+0x110/0x110 [ 61.240838] ? lock_downgrade+0x990/0x990 [ 61.241257] ? check_same_owner+0x320/0x320 [ 61.241651] ? __handle_mm_fault+0x39c0/0x39c0 [ 61.242123] ? vmacache_find+0x61/0x270 [ 61.242684] ? rcu_note_context_switch+0x710/0x710 [ 61.243471] ? install_new_memslots+0x420/0x420 [ 61.244359] do_vfs_ioctl+0x1b1/0x1530 [ 61.245052] ? _cond_resched+0x14/0x30 [ 61.245697] ? ioctl_preallocate+0x2b0/0x2b0 [ 61.246464] ? selinux_capable+0x40/0x40 [ 61.247829] ? putname+0xf3/0x130 [ 61.248440] ? security_file_ioctl+0x7d/0xb0 [ 61.249148] ? security_file_ioctl+0x89/0xb0 [ 61.249929] SyS_ioctl+0x8f/0xc0 [ 61.250569] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 61.251369] RIP: 0033:0x435369 [ 61.251882] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 61.253117] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 61.254150] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002e4 [ 61.255351] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 61.256341] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 61.257401] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 executing program executing program [ 61.354698] syzkaller500434: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 61.357198] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 61.357673] CPU: 3 PID: 3100 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 61.358499] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 61.359254] Call Trace: [ 61.359493] dump_stack+0x194/0x257 [ 61.359838] ? arch_local_irq_restore+0x53/0x53 [ 61.360431] ? flush_work+0x621/0x930 [ 61.360702] warn_alloc+0x1c2/0x2f0 [ 61.361021] ? zone_watermark_ok_safe+0x430/0x430 [ 61.361461] ? mutex_unlock+0xd/0x10 [ 61.361810] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 61.362313] ? warn_alloc+0x2f0/0x2f0 [ 61.362676] ? SyS_ioctl+0x8f/0xc0 [ 61.362932] ? warn_alloc+0x2f0/0x2f0 [ 61.363302] ? save_stack_trace+0x16/0x20 [ 61.363605] ? check_noncircular+0x20/0x20 [ 61.363999] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 61.364473] ? find_held_lock+0x39/0x1d0 [ 61.364855] ? lock_downgrade+0x990/0x990 [ 61.365271] ? check_same_owner+0x320/0x320 [ 61.365670] ? rcu_note_context_switch+0x710/0x710 [ 61.366132] ? check_noncircular+0x20/0x20 [ 61.366527] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 61.367152] ? __might_sleep+0x95/0x190 [ 61.367520] __alloc_pages_nodemask+0x9f7/0xd80 [ 61.367950] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 61.368429] ? __alloc_pages_nodemask+0xae5/0xd80 [ 61.368872] ? find_held_lock+0x39/0x1d0 [ 61.369267] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 61.369742] ? cache_grow_begin+0x31b/0x400 [ 61.370163] cache_grow_begin+0x86/0x400 [ 61.370547] fallback_alloc+0x150/0x2b0 [ 61.370917] ____cache_alloc_node+0x1cf/0x1e0 [ 61.371353] kmem_cache_alloc_trace+0x27d/0x750 [ 61.371778] ? lock_downgrade+0x990/0x990 [ 61.372190] kvm_dev_ioctl+0x216/0x1840 [ 61.372559] ? lock_release+0xd70/0xd70 [ 61.372925] ? install_new_memslots+0x420/0x420 [ 61.373424] ? avc_has_extended_perms+0x7fa/0x12c0 [ 61.373872] ? unwind_get_return_address+0x61/0xa0 [ 61.374358] ? avc_ss_reset+0x110/0x110 [ 61.374726] ? putname+0xee/0x130 [ 61.375078] ? save_stack+0xa3/0xd0 [ 61.375420] ? save_stack_trace+0x16/0x20 [ 61.375821] ? save_stack+0x43/0xd0 [ 61.376172] ? kasan_slab_free+0x71/0xc0 [ 61.376562] ? kmem_cache_free+0x77/0x280 [ 61.376940] ? putname+0xee/0x130 [ 61.377277] ? do_sys_open+0x31b/0x6d0 [ 61.377638] ? __lock_is_held+0xbc/0x140 [ 61.378034] ? check_same_owner+0x320/0x320 [ 61.378454] ? rcu_note_context_switch+0x710/0x710 [ 61.378911] ? install_new_memslots+0x420/0x420 [ 61.379355] do_vfs_ioctl+0x1b1/0x1530 [ 61.379711] ? _cond_resched+0x14/0x30 [ 61.380079] ? ioctl_preallocate+0x2b0/0x2b0 [ 61.380492] ? selinux_capable+0x40/0x40 [ 61.380864] ? putname+0xf3/0x130 [ 61.381212] ? security_file_ioctl+0x7d/0xb0 [ 61.381613] ? security_file_ioctl+0x89/0xb0 [ 61.382018] SyS_ioctl+0x8f/0xc0 [ 61.382333] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 61.382773] RIP: 0033:0x435369 [ 61.383074] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 61.383779] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 61.384459] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000029b [ 61.385126] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 61.385784] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 61.386454] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 62.435105] syzkaller500434 invoked oom-killer: gfp_mask=0x16142c0(GFP_KERNEL|__GFP_NOWARN|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 62.436667] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 62.437320] CPU: 3 PID: 3102 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 62.438227] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 62.438892] Call Trace: [ 62.439080] dump_stack+0x194/0x257 [ 62.439339] ? arch_local_irq_restore+0x53/0x53 [ 62.439762] ? check_noncircular+0x20/0x20 [ 62.440186] dump_header+0x234/0xa0e [ 62.440458] ? pagefault_out_of_memory+0x152/0x152 [ 62.440804] ? lock_acquire+0x1d5/0x580 [ 62.441107] ? ___ratelimit+0x152/0x630 [ 62.441415] ? do_raw_spin_trylock+0x190/0x190 [ 62.442670] ? mark_held_locks+0xb2/0x100 [ 62.442981] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 62.443347] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 62.443719] ? trace_hardirqs_on+0xd/0x10 [ 62.444050] ? ___ratelimit+0x95/0x630 [ 62.444325] ? idr_get_free+0xff0/0xff0 [ 62.444610] ? lock_downgrade+0x990/0x990 [ 62.445007] ? cred_has_capability+0x1a0/0x3d0 [ 62.445331] oom_kill_process+0x86d/0x13d0 [ 62.445643] ? lock_release+0xd70/0xd70 [ 62.445939] ? oom_evaluate_task+0x480/0x480 [ 62.446251] ? security_capable_noaudit+0x8b/0xc0 [ 62.446608] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 62.446977] ? check_noncircular+0x20/0x20 [ 62.447370] ? has_capability+0x30/0x30 [ 62.447744] ? has_capability_noaudit+0x24/0x30 [ 62.448106] ? oom_badness+0xdf/0xb80 [ 62.448380] ? find_held_lock+0x39/0x1d0 [ 62.448682] ? lock_downgrade+0x990/0x990 [ 62.448990] ? out_of_memory+0x8c1/0x11d0 [ 62.449281] ? oom_reaper+0x4d0/0x4d0 [ 62.449675] ? lock_release+0xd70/0xd70 [ 62.449967] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 62.450320] ? oom_evaluate_task+0x284/0x480 [ 62.450643] out_of_memory+0x7dd/0x11d0 [ 62.450943] ? oom_killer_disable+0x310/0x310 [ 62.451256] ? mutex_trylock+0x23a/0x2d0 [ 62.451561] ? __lock_is_held+0xbc/0x140 [ 62.451852] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 62.452352] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 62.452733] ? warn_alloc+0x2f0/0x2f0 [ 62.453014] ? __alloc_skb+0x13b/0x740 [ 62.453294] ? warn_alloc+0x2f0/0x2f0 [ 62.453560] ? save_stack_trace+0x16/0x20 [ 62.453862] ? kvm_uevent_notify_change.part.38+0x394/0x430 [ 62.454259] ? check_noncircular+0x20/0x20 [ 62.454565] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 62.454931] ? lock_downgrade+0x990/0x990 [ 62.455211] ? find_held_lock+0x39/0x1d0 [ 62.455490] ? lock_downgrade+0x990/0x990 [ 62.455777] ? __lock_is_held+0xbc/0x140 [ 62.456097] ? check_same_owner+0x320/0x320 [ 62.456382] ? __free_insn_slot+0x5c0/0x5c0 [ 62.456674] ? __might_sleep+0x95/0x190 [ 62.456963] __alloc_pages_nodemask+0x9f7/0xd80 [ 62.457277] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 62.457608] ? __alloc_pages_nodemask+0xae5/0xd80 [ 62.457948] ? find_held_lock+0x39/0x1d0 [ 62.458220] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 62.458570] ? cache_grow_begin+0x31b/0x400 [ 62.458871] cache_grow_begin+0x86/0x400 [ 62.459155] fallback_alloc+0x150/0x2b0 [ 62.459425] ____cache_alloc_node+0x1cf/0x1e0 [ 62.459723] kmem_cache_alloc_node_trace+0xe9/0x760 [ 62.460115] __kmalloc_node_track_caller+0x33/0x70 [ 62.460523] __kmalloc_reserve.isra.41+0x41/0xd0 [ 62.460856] __alloc_skb+0x13b/0x740 [ 62.461122] ? skb_copy_and_csum_dev+0x360/0x360 [ 62.461439] ? __lock_is_held+0xbc/0x140 [ 62.461739] ? netlink_has_listeners+0x2a0/0x430 [ 62.462081] ? netlink_hash+0x230/0x230 [ 62.462365] ? kobject_uevent_env+0x449/0xb20 [ 62.462672] kobject_uevent_env+0x57c/0xb20 [ 62.462980] ? quarantine_put+0xeb/0x190 [ 62.463266] kvm_uevent_notify_change.part.38+0x394/0x430 [ 62.464289] kvm_dev_ioctl+0x716/0x1840 [ 62.464562] ? install_new_memslots+0x420/0x420 [ 62.464894] ? avc_has_extended_perms+0x7fa/0x12c0 [ 62.465225] ? unwind_get_return_address+0x61/0xa0 [ 62.465558] ? avc_ss_reset+0x110/0x110 [ 62.465822] ? putname+0xee/0x130 [ 62.466065] ? save_stack+0xa3/0xd0 [ 62.466308] ? save_stack_trace+0x16/0x20 [ 62.466591] ? save_stack+0x43/0xd0 [ 62.466833] ? kmem_cache_free+0x77/0x280 [ 62.467121] ? putname+0xee/0x130 [ 62.467351] ? do_sys_open+0x31b/0x6d0 [ 62.467614] ? __lock_is_held+0xbc/0x140 [ 62.467920] ? check_same_owner+0x320/0x320 [ 62.468241] ? install_new_memslots+0x420/0x420 [ 62.468550] do_vfs_ioctl+0x1b1/0x1530 [ 62.468810] ? _cond_resched+0x14/0x30 [ 62.469095] ? ioctl_preallocate+0x2b0/0x2b0 [ 62.469393] ? selinux_capable+0x40/0x40 [ 62.469674] ? putname+0xf3/0x130 [ 62.469929] ? security_file_ioctl+0x7d/0xb0 [ 62.470222] ? security_file_ioctl+0x89/0xb0 [ 62.470532] SyS_ioctl+0x8f/0xc0 [ 62.470762] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 62.471087] RIP: 0033:0x435369 [ 62.471298] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 62.471822] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 62.472339] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002fd [ 62.472819] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 62.473307] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 62.473781] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 62.474319] Mem-Info: [ 62.475196] active_anon:2754 inactive_anon:42 isolated_anon:0 [ 62.475196] active_file:47 inactive_file:16 isolated_file:53 [ 62.475196] unevictable:0 dirty:0 writeback:0 unstable:0 [ 62.475196] slab_reclaimable:53964 slab_unreclaimable:329625 [ 62.475196] mapped:26 shmem:77 pagetables:274 bounce:0 [ 62.475196] free:17901 free_pcp:71 free_cma:0 [ 62.478696] Node 0 active_anon:2792kB inactive_anon:76kB active_file:176kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:80kB dirty:0kB writeback:0kB shmem:92kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 62.481356] Node 1 active_anon:8224kB inactive_anon:92kB active_file:12kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):84kB mapped:24kB dirty:0kB writeback:0kB shmem:216kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 62.484119] Node 0 DMA free:4116kB min:640kB low:800kB high:960kB active_anon:40kB 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 [ 62.487741] lowmem_reserve[]: 0 886 886 886 [ 62.488230] Node 0 DMA32 free:37148kB min:36536kB low:45668kB high:54800kB active_anon:2752kB inactive_anon:76kB active_file:176kB inactive_file:224kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1728kB pagetables:552kB bounce:0kB free_pcp:336kB local_pcp:72kB free_cma:0kB [ 62.491016] lowmem_reserve[]: 0 0 0 0 [ 62.491483] Node 1 DMA32 free:30340kB min:30404kB low:38004kB high:45604kB active_anon:8224kB inactive_anon:92kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2080kB pagetables:544kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 62.494410] lowmem_reserve[]: 0 0 0 0 [ 62.494828] Node 0 DMA: 7*4kB (UME) 1*8kB (U) 1*16kB (M) 1*32kB (E) 3*64kB (UME) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (ME) 0*2048kB 0*4096kB = 4116kB [ 62.496529] Node 0 DMA32: 135*4kB (UMEH) 440*8kB (UMH) 448*16kB (UMEH) 180*32kB (UMH) 82*64kB (UMEH) 11*128kB (UM) 4*256kB (UME) 3*512kB (ME) 1*1024kB (E) 1*2048kB (U) 2*4096kB (M) = 37468kB [ 62.498454] Node 1 DMA32: 232*4kB (UM) 161*8kB (UME) 551*16kB (UME) 383*32kB (UME) 110*64kB (UME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30328kB [ 62.499861] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 62.500489] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 62.501074] 168 total pagecache pages [ 62.501328] 0 pages in swap cache [ 62.501568] Swap cache stats: add 0, delete 0, find 0/0 [ 62.501918] Free swap = 0kB [ 62.502150] Total swap = 0kB [ 62.502385] 524186 pages RAM [ 62.502597] 0 pages HighMem/MovableOnly [ 62.502857] 103968 pages reserved [ 62.503116] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 62.503745] [ 1526] 0 1526 7016 1795 18 3 0 -1000 udevd [ 62.504397] [ 3014] 0 3014 4725 47 15 3 0 0 cron [ 62.504975] [ 3037] 0 3037 12490 152 30 4 0 -1000 sshd [ 62.505583] [ 3064] 0 3064 3694 41 11 3 0 0 getty [ 62.506818] [ 3065] 0 3065 3694 42 13 3 0 0 getty [ 62.507421] [ 3066] 0 3066 3694 39 13 3 0 0 getty [ 62.508002] [ 3067] 0 3067 3694 39 13 3 0 0 getty [ 62.508631] [ 3068] 0 3068 3694 40 13 3 0 0 getty [ 62.509251] [ 3069] 0 3069 3694 41 13 3 0 0 getty [ 62.509840] [ 3071] 0 3071 3649 40 13 3 0 0 getty [ 62.510448] [ 3072] 0 3072 5366 155 14 3 0 -1000 udevd [ 62.511058] [ 3073] 0 3073 5365 154 14 3 0 -1000 udevd [ 62.511655] [ 3093] 0 3093 17820 197 40 3 0 0 sshd [ 62.512265] [ 3095] 0 3095 271 1 4 2 0 0 syzkaller500434 [ 62.512934] [ 3096] 0 3096 4366 12 5 2 0 0 syzkaller500434 [ 62.513594] [ 3097] 0 3097 4366 31 5 2 0 0 syzkaller500434 [ 62.514257] [ 3098] 0 3098 4366 12 5 2 0 0 syzkaller500434 [ 62.514906] [ 3099] 0 3099 4366 12 5 2 0 0 syzkaller500434 [ 62.515565] [ 3100] 0 3100 4366 32 5 2 0 0 syzkaller500434 [ 62.516241] [ 3101] 0 3101 4366 32 5 2 0 0 syzkaller500434 [ 62.516883] [ 3102] 0 3102 4366 12 5 2 0 0 syzkaller500434 [ 62.517546] [ 3103] 0 3103 4366 12 5 2 0 0 syzkaller500434 [ 62.518223] Out of memory: Kill process 3093 (sshd) score 0 or sacrifice child [ 62.518862] Killed process 3095 (syzkaller500434) total-vm:1084kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 63.589461] syzkaller500434 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 63.591679] syzkaller500434 cpuset=/ mems_allowed=0-1 [ 63.592548] CPU: 3 PID: 3102 Comm: syzkaller500434 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 63.593898] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 63.595737] Call Trace: [ 63.596166] dump_stack+0x194/0x257 [ 63.596521] ? arch_local_irq_restore+0x53/0x53 [ 63.596970] ? check_noncircular+0x20/0x20 [ 63.597380] dump_header+0x234/0xa0e [ 63.597749] ? pagefault_out_of_memory+0x152/0x152 [ 63.598226] ? lock_acquire+0x1d5/0x580 [ 63.598617] ? ___ratelimit+0x152/0x630 [ 63.599015] ? do_raw_spin_trylock+0x190/0x190 [ 63.599463] ? mark_held_locks+0xb2/0x100 [ 63.599870] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 63.600363] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 63.600841] ? trace_hardirqs_on+0xd/0x10 [ 63.601245] ? ___ratelimit+0x95/0x630 [ 63.601623] ? idr_get_free+0xff0/0xff0 [ 63.602007] ? lock_downgrade+0x990/0x990 [ 63.602414] ? cred_has_capability+0x1a0/0x3d0 [ 63.602863] oom_kill_process+0x86d/0x13d0 [ 63.603265] ? lock_release+0xd70/0xd70 [ 63.603598] ? oom_evaluate_task+0x480/0x480 [ 63.603964] ? security_capable_noaudit+0x8b/0xc0 [ 63.604407] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 63.604894] ? check_noncircular+0x20/0x20 [ 63.605304] ? has_capability+0x30/0x30 [ 63.605704] ? has_capability_noaudit+0x24/0x30 [ 63.606160] ? oom_badness+0xdf/0xb80 [ 63.606543] ? find_held_lock+0x39/0x1d0 [ 63.606949] ? lock_downgrade+0x990/0x990 [ 63.607359] ? out_of_memory+0x8c1/0x11d0 [ 63.607757] ? oom_reaper+0x4d0/0x4d0 [ 63.608133] ? lock_release+0xd70/0xd70 [ 63.608518] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 63.609002] ? oom_evaluate_task+0x284/0x480 [ 63.609421] out_of_memory+0x7dd/0x11d0 [ 63.609813] ? oom_killer_disable+0x310/0x310 [ 63.610245] ? mutex_trylock+0x23a/0x2d0 [ 63.610642] ? rcu_pm_notify+0xc0/0xc0 [ 63.611016] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 63.611555] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 63.612080] ? warn_alloc+0x2f0/0x2f0 [ 63.612452] ? do_sys_open+0x2e7/0x6d0 [ 63.612834] ? warn_alloc+0x2f0/0x2f0 [ 63.613211] ? save_stack_trace+0x16/0x20 [ 63.613623] ? check_noncircular+0x20/0x20 [ 63.614040] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 63.614545] ? lru_cache_add+0x1c7/0x3a0 [ 63.614935] ? lru_cache_add_file+0x20/0x20 [ 63.615367] ? find_held_lock+0x39/0x1d0 [ 63.616209] ? check_same_owner+0x320/0x320 [ 63.616658] ? __might_sleep+0x95/0x190 [ 63.617065] __alloc_pages_nodemask+0x9f7/0xd80 [ 63.617525] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 63.617992] ? __alloc_pages_nodemask+0xae5/0xd80 [ 63.618475] ? find_held_lock+0x39/0x1d0 [ 63.618873] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 63.619391] ? cache_grow_begin+0x31b/0x400 [ 63.619928] cache_grow_begin+0x86/0x400 [ 63.620330] fallback_alloc+0x150/0x2b0 [ 63.620729] ____cache_alloc_node+0x1cf/0x1e0 [ 63.621185] kmem_cache_alloc+0x287/0x760 [ 63.621670] getname_flags+0xcb/0x580 [ 63.622036] ? do_page_fault+0x70/0x70 [ 63.622434] getname+0x19/0x20 [ 63.622798] do_sys_open+0x2e7/0x6d0 [ 63.623168] ? filp_open+0x70/0x70 [ 63.623508] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 63.624006] SyS_openat+0x30/0x40 [ 63.624370] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 63.624874] RIP: 0033:0x435369 [ 63.625185] RSP: 002b:00007ffdead4c9f8 EFLAGS: 00000217 ORIG_RAX: 0000000000000101 [ 63.625928] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 63.626676] RDX: 0000000000000000 RSI: 0000000020099ff7 RDI: ffffffffffffff9c [ 63.627388] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 63.628119] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000000 [ 63.628818] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 63.629608] Mem-Info: [ 63.629855] active_anon:2746 inactive_anon:42 isolated_anon:0 [ 63.629855] active_file:19 inactive_file:214 isolated_file:0 [ 63.629855] unevictable:0 dirty:0 writeback:0 unstable:0 [ 63.629855] slab_reclaimable:53996 slab_unreclaimable:329574 [ 63.629855] mapped:131 shmem:77 pagetables:270 bounce:0 [ 63.629855] free:17806 free_pcp:118 free_cma:0 [ 63.633135] Node 0 active_anon:2780kB inactive_anon:76kB active_file:48kB inactive_file:1008kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:820kB dirty:0kB writeback:0kB shmem:92kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 63.635785] Node 1 active_anon:8204kB inactive_anon:92kB active_file:28kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:216kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 63.638518] Node 0 DMA free:4116kB min:640kB low:800kB high:960kB active_anon:40kB 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 [ 63.641750] lowmem_reserve[]: 0 886 886 886 [ 63.642227] Node 0 DMA32 free:36932kB min:36536kB low:45668kB high:54800kB active_anon:2744kB inactive_anon:76kB active_file:76kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1696kB pagetables:552kB bounce:0kB free_pcp:384kB local_pcp:4kB free_cma:0kB [ 63.644903] lowmem_reserve[]: 0 0 0 0 [ 63.645880] Node 1 DMA32 free:30304kB min:30404kB low:38004kB high:45604kB active_anon:8200kB inactive_anon:92kB active_file:44kB inactive_file:28kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2080kB pagetables:528kB bounce:0kB free_pcp:124kB local_pcp:4kB free_cma:0kB [ 63.648422] lowmem_reserve[]: 0 0 0 0 [ 63.648782] Node 0 DMA: 7*4kB (UME) 1*8kB (U) 1*16kB (M) 1*32kB (E) 3*64kB (UME) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (ME) 0*2048kB 0*4096kB = 4116kB [ 63.650088] Node 0 DMA32: 4*4kB (UMEH) 371*8kB (UMEH) 445*16kB (UMH) 179*32kB (UMH) 82*64kB (UMH) 12*128kB (UM) 4*256kB (UME) 3*512kB (ME) 1*1024kB (E) 1*2048kB (U) 2*4096kB (M) = 36440kB [ 63.651742] Node 1 DMA32: 246*4kB (UM) 157*8kB (ME) 548*16kB (UM) 383*32kB (UM) 110*64kB (UME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30304kB [ 63.653156] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 63.653936] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 63.654732] 516 total pagecache pages [ 63.655111] 0 pages in swap cache [ 63.655417] Swap cache stats: add 0, delete 0, find 0/0 [ 63.655880] Free swap = 0kB [ 63.656160] Total swap = 0kB [ 63.656426] 524186 pages RAM [ 63.656691] 0 pages HighMem/MovableOnly [ 63.657053] 103968 pages reserved [ 63.657357] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 63.658562] [ 1526] 0 1526 7016 1980 18 3 0 -1000 udevd [ 63.659411] [ 3014] 0 3014 4725 47 15 3 0 0 cron [ 63.660257] [ 3037] 0 3037 12490 152 30 4 0 -1000 sshd [ 63.661110] [ 3064] 0 3064 3694 41 11 3 0 0 getty [ 63.661951] [ 3065] 0 3065 3694 42 13 3 0 0 getty [ 63.662813] [ 3066] 0 3066 3694 39 13 3 0 0 getty [ 63.663690] [ 3067] 0 3067 3694 39 13 3 0 0 getty [ 63.664539] [ 3068] 0 3068 3694 40 13 3 0 0 getty [ 63.665369] [ 3069] 0 3069 3694 41 13 3 0 0 getty [ 63.666156] [ 3071] 0 3071 3649 40 13 3 0 0 getty [ 63.667015] [ 3072] 0 3072 5365 154 14 3 0 -1000 udevd [ 63.667882] [ 3073] 0 3073 5365 154 14 3 0 -1000 udevd [ 63.668749] [ 3093] 0 3093 17820 197 40 3 0 0 sshd [ 63.669613] [ 3096] 0 3096 4366 34 5 2 0 0 syzkaller500434 [ 63.670563] [ 3097] 0 3097 4366 14 5 2 0 0 syzkaller500434 [ 63.671512] [ 3098] 0 3098 4366 32 5 2 0 0 syzkaller500434 [ 63.672464] [ 3099] 0 3099 4366 34 5 2 0 0 syzkaller500434 [ 63.673413] [ 3100] 0 3100 4366 33 5 2 0 0 syzkaller500434 [ 63.674355] [ 3101] 0 3101 4366 14 5 2 0 0 syzkaller500434 [ 63.675288] [ 3102] 0 3102 4366 34 5 2 0 0 syzkaller500434 [ 63.676242] [ 3103] 0 3103 4366 25 5 2 0 0 syzkaller500434 [ 63.677174] Out of memory: Kill process 3093 (sshd) score 0 or sacrifice child [ 63.678832] Killed process 3093 (sshd) total-vm:71280kB, anon-rss:784kB, file-rss:0kB, shmem-rss:4kB [ 63.682079] oom_reaper: reaped process 3093 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB Connection to localhost closed by remote host. [ 64.968922] sshd (3093) used greatest stack depth: 9360 bytes left