executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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: [ 54.440822] syzkaller531925: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 54.441998] syzkaller531925 cpuset=/ mems_allowed=0-1 [ 54.442888] CPU: 0 PID: 3074 Comm: syzkaller531925 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 54.443751] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 54.444548] Call Trace: [ 54.444808] dump_stack+0x194/0x257 [ 54.445176] ? arch_local_irq_restore+0x53/0x53 [ 54.445627] ? flush_work+0x621/0x930 [ 54.446053] warn_alloc+0x1c2/0x2f0 [ 54.446678] ? zone_watermark_ok_safe+0x430/0x430 [ 54.447010] ? mutex_unlock+0xd/0x10 [ 54.447269] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 54.447640] ? warn_alloc+0x2f0/0x2f0 [ 54.447891] ? SyS_ioctl+0x8f/0xc0 [ 54.448126] ? warn_alloc+0x2f0/0x2f0 [ 54.448368] ? save_stack_trace+0x16/0x20 [ 54.448656] ? check_noncircular+0x20/0x20 [ 54.448939] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 54.449285] ? find_held_lock+0x39/0x1d0 [ 54.449555] ? lock_downgrade+0x990/0x990 [ 54.449854] ? check_same_owner+0x320/0x320 [ 54.450134] ? rcu_note_context_switch+0x710/0x710 [ 54.450453] ? check_noncircular+0x20/0x20 [ 54.450757] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 54.451207] ? __might_sleep+0x95/0x190 [ 54.451472] __alloc_pages_nodemask+0x9f7/0xd80 [ 54.451803] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 54.452127] ? __alloc_pages_nodemask+0xae5/0xd80 [ 54.452442] ? find_held_lock+0x39/0x1d0 [ 54.452725] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 54.453065] ? cache_grow_begin+0x31b/0x400 [ 54.453357] cache_grow_begin+0x86/0x400 [ 54.453643] fallback_alloc+0x150/0x2b0 [ 54.453910] ____cache_alloc_node+0x1cf/0x1e0 [ 54.454207] kmem_cache_alloc_trace+0x27d/0x750 [ 54.454605] ? lock_downgrade+0x990/0x990 [ 54.455029] kvm_dev_ioctl+0x216/0x1840 [ 54.455422] ? lock_release+0xd70/0xd70 [ 54.455811] ? install_new_memslots+0x420/0x420 [ 54.456286] ? avc_has_extended_perms+0x7fa/0x12c0 [ 54.456768] ? unwind_get_return_address+0x61/0xa0 [ 54.457261] ? avc_ss_reset+0x110/0x110 [ 54.457662] ? putname+0xee/0x130 [ 54.458005] ? save_stack+0xa3/0xd0 [ 54.458365] ? save_stack_trace+0x16/0x20 [ 54.458769] ? save_stack+0x43/0xd0 [ 54.459144] ? kasan_slab_free+0x71/0xc0 [ 54.459538] ? kmem_cache_free+0x77/0x280 [ 54.459951] ? putname+0xee/0x130 [ 54.460182] ? do_sys_open+0x31b/0x6d0 [ 54.460432] ? __lock_is_held+0xbc/0x140 [ 54.460731] ? check_same_owner+0x320/0x320 [ 54.461018] ? rcu_note_context_switch+0x710/0x710 [ 54.461352] ? install_new_memslots+0x420/0x420 [ 54.461679] do_vfs_ioctl+0x1b1/0x1530 [ 54.461931] ? _cond_resched+0x14/0x30 [ 54.462197] ? ioctl_preallocate+0x2b0/0x2b0 [ 54.462489] ? selinux_capable+0x40/0x40 [ 54.462776] ? putname+0xf3/0x130 [ 54.463018] ? security_file_ioctl+0x7d/0xb0 [ 54.463312] ? security_file_ioctl+0x89/0xb0 [ 54.463628] SyS_ioctl+0x8f/0xc0 [ 54.463857] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 54.464173] RIP: 0033:0x435369 [ 54.464379] RSP: 002b:00007ffe1a3ee238 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 54.464898] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 54.465366] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002a7 [ 54.465868] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 54.466342] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 54.466825] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 54.467461] Mem-Info: [ 54.468279] active_anon:4196 inactive_anon:42 isolated_anon:0 [ 54.468279] active_file:237 inactive_file:299 isolated_file:30 [ 54.468279] unevictable:0 dirty:0 writeback:0 unstable:0 [ 54.468279] slab_reclaimable:53360 slab_unreclaimable:328429 [ 54.468279] mapped:390 shmem:76 pagetables:312 bounce:0 [ 54.468279] free:17969 free_pcp:36 free_cma:0 [ 54.471624] Node 0 active_anon:8436kB inactive_anon:68kB active_file:864kB inactive_file:872kB unevictable:0kB isolated(anon):0kB isolated(file):120kB mapped:1528kB dirty:0kB writeback:0kB shmem:148kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 54.474199] Node 1 active_anon:8348kB inactive_anon:100kB active_file:168kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):108kB mapped:116kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 54.477066] Node 0 DMA free:4088kB min:640kB low:800kB high:960kB active_anon:52kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 54.479464] lowmem_reserve[]: 0 886 886 886 [ 54.480043] Node 0 DMA32 free:36060kB min:36536kB low:45668kB high:54800kB active_anon:8384kB inactive_anon:68kB active_file:764kB inactive_file:880kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2720kB pagetables:576kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 54.482981] lowmem_reserve[]: 0 0 0 0 [ 54.483434] Node 1 DMA32 free:31668kB min:30404kB low:38004kB high:45604kB active_anon:8348kB inactive_anon:100kB active_file:128kB inactive_file:164kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1248kB pagetables:672kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB [ 54.485954] lowmem_reserve[]: 0 0 0 0 [ 54.487101] Node 0 DMA: 6*4kB (UM) 2*8kB (M) 1*16kB (M) 2*32kB (ME) 2*64kB (UE) 2*128kB (ME) 2*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 4088kB [ 54.490176] Node 0 DMA32: 236*4kB (UME) 177*8kB (ME) 119*16kB (UME) 50*32kB (ME) 18*64kB (UM) 3*128kB (M) 5*256kB (UM) 2*512kB (UM) 2*1024kB (M) 4*2048kB (M) 4*4096kB (M) = 36328kB [ 54.491924] Node 1 DMA32: 323*4kB (ME) 750*8kB (UMEH) 608*16kB (UMEH) 218*32kB (UMEH) 82*64kB (UMEH) 7*128kB (ME) 2*256kB (M) 2*512kB (UE) 0*1024kB 0*2048kB 0*4096kB = 31676kB [ 54.493693] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 54.494505] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 54.495771] 637 total pagecache pages [ 54.496217] 0 pages in swap cache [ 54.496644] Swap cache stats: add 0, delete 0, find 0/0 [ 54.497270] Free swap = 0kB [ 54.497559] Total swap = 0kB [ 54.497894] 524186 pages RAM [ 54.498165] 0 pages HighMem/MovableOnly [ 54.498639] 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 [ 55.543277] syzkaller531925: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 55.544288] syzkaller531925 cpuset=/ mems_allowed=0-1 [ 55.544674] CPU: 1 PID: 3075 Comm: syzkaller531925 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 55.545462] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 55.546105] Call Trace: [ 55.546257] dump_stack+0x194/0x257 [ 55.546464] ? arch_local_irq_restore+0x53/0x53 [ 55.546724] ? flush_work+0x621/0x930 [ 55.546993] warn_alloc+0x1c2/0x2f0 [ 55.547235] ? zone_watermark_ok_safe+0x430/0x430 [ 55.547659] ? mutex_unlock+0xd/0x10 [ 55.547925] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 55.548384] ? warn_alloc+0x2f0/0x2f0 [ 55.548641] ? SyS_ioctl+0x8f/0xc0 [ 55.548956] ? warn_alloc+0x2f0/0x2f0 [ 55.549217] ? save_stack_trace+0x16/0x20 [ 55.549589] ? check_noncircular+0x20/0x20 [ 55.549888] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 55.550351] ? find_held_lock+0x39/0x1d0 [ 55.550630] ? lock_downgrade+0x990/0x990 [ 55.551013] ? check_same_owner+0x320/0x320 [ 55.551300] ? rcu_note_context_switch+0x710/0x710 [ 55.551730] ? check_noncircular+0x20/0x20 [ 55.552012] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 55.552591] ? __might_sleep+0x95/0x190 [ 55.552859] __alloc_pages_nodemask+0x9f7/0xd80 [ 55.553273] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.553611] ? __alloc_pages_nodemask+0xae5/0xd80 [ 55.554035] ? find_held_lock+0x39/0x1d0 [ 55.554306] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.554759] ? cache_grow_begin+0x31b/0x400 [ 55.555060] cache_grow_begin+0x86/0x400 [ 55.555813] fallback_alloc+0x150/0x2b0 [ 55.556082] ____cache_alloc_node+0x1cf/0x1e0 [ 55.556479] kmem_cache_alloc_trace+0x27d/0x750 [ 55.556796] ? lock_downgrade+0x990/0x990 [ 55.557166] kvm_dev_ioctl+0x216/0x1840 [ 55.557435] ? lock_release+0xd70/0xd70 [ 55.557785] ? install_new_memslots+0x420/0x420 [ 55.558106] ? avc_has_extended_perms+0x7fa/0x12c0 [ 55.558535] ? unwind_get_return_address+0x61/0xa0 [ 55.558879] ? avc_ss_reset+0x110/0x110 [ 55.559228] ? putname+0xee/0x130 [ 55.559460] ? save_stack+0xa3/0xd0 [ 55.559792] ? save_stack_trace+0x16/0x20 [ 55.560067] ? save_stack+0x43/0xd0 [ 55.560382] ? kasan_slab_free+0x71/0xc0 [ 55.560658] ? kmem_cache_free+0x77/0x280 [ 55.561019] ? putname+0xee/0x130 [ 55.561262] ? do_sys_open+0x31b/0x6d0 [ 55.561609] ? __lock_is_held+0xbc/0x140 [ 55.561899] ? check_same_owner+0x320/0x320 [ 55.562281] ? rcu_note_context_switch+0x710/0x710 [ 55.562621] ? install_new_memslots+0x420/0x420 [ 55.563037] do_vfs_ioctl+0x1b1/0x1530 [ 55.563297] ? _cond_resched+0x14/0x30 [ 55.563642] ? ioctl_preallocate+0x2b0/0x2b0 [ 55.563944] ? selinux_capable+0x40/0x40 [ 55.564301] ? putname+0xf3/0x130 [ 55.564548] ? security_file_ioctl+0x7d/0xb0 [ 55.564932] ? security_file_ioctl+0x89/0xb0 [ 55.565232] SyS_ioctl+0x8f/0xc0 [ 55.565533] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 55.565852] RIP: 0033:0x435369 [ 55.566131] RSP: 002b:00007ffe1a3ee238 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 55.566642] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 55.567276] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000313 [ 55.567754] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 55.568386] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 55.568857] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 55.569558] Mem-Info: [ 55.570906] active_anon:3694 inactive_anon:41 isolated_anon:0 [ 55.570906] active_file:43 inactive_file:41 isolated_file:10 [ 55.570906] unevictable:0 dirty:1 writeback:0 unstable:0 [ 55.570906] slab_reclaimable:53537 slab_unreclaimable:329011 [ 55.570906] mapped:6 shmem:76 pagetables:312 bounce:0 [ 55.570906] free:18209 free_pcp:19 free_cma:0 [ 55.573512] Node 0 active_anon:8424kB inactive_anon:68kB active_file:92kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):40kB mapped:8kB dirty:0kB writeback:0kB shmem:148kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 55.575276] Node 1 active_anon:6352kB inactive_anon:96kB active_file:80kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:4kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 55.577831] Node 0 DMA free:4088kB min:640kB low:800kB high:960kB active_anon:52kB 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 [ 55.580391] lowmem_reserve[]: 0 886 886 886 [ 55.580737] Node 0 DMA32 free:36500kB min:36536kB low:45668kB high:54800kB active_anon:8372kB inactive_anon:68kB active_file:16kB inactive_file:48kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2720kB pagetables:564kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 55.582570] lowmem_reserve[]: 0 0 0 0 [ 55.582852] Node 1 DMA32 free:32248kB min:30404kB low:38004kB high:45604kB active_anon:6352kB inactive_anon:96kB active_file:396kB inactive_file:164kB unevictable:0kB writepending:4kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1248kB pagetables:684kB bounce:0kB free_pcp:76kB local_pcp:76kB free_cma:0kB [ 55.584706] lowmem_reserve[]: 0 0 0 0 [ 55.584976] Node 0 DMA: 6*4kB (UM) 2*8kB (M) 1*16kB (M) 2*32kB (ME) 2*64kB (UE) 2*128kB (ME) 2*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 4088kB [ 55.586333] Node 0 DMA32: 237*4kB (UME) 249*8kB (UM) 136*16kB (UME) 67*32kB (ME) 25*64kB (UM) 8*128kB (UM) 4*256kB (UM) 2*512kB (M) 2*1024kB (M) 5*2048kB (UM) 3*4096kB (ME) = 36508kB [ 55.587619] Node 1 DMA32: 401*4kB (ME) 669*8kB (UMH) 626*16kB (UMH) 234*32kB (UMH) 85*64kB (UMH) 6*128kB (ME) 3*256kB (M) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 32460kB [ 55.589323] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 55.590202] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 55.591095] 134 total pagecache pages [ 55.591490] 0 pages in swap cache [ 55.591841] Swap cache stats: add 0, delete 0, find 0/0 [ 55.592463] Free swap = 0kB [ 55.592769] Total swap = 0kB [ 55.593109] 524186 pages RAM [ 55.593420] 0 pages HighMem/MovableOnly [ 55.593815] 103968 pages reserved executing program executing program executing program executing program executing program [ 55.767489] syzkaller531925: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 55.769318] syzkaller531925 cpuset=/ mems_allowed=0-1 [ 55.769841] CPU: 1 PID: 3079 Comm: syzkaller531925 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 55.770412] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 55.770976] Call Trace: [ 55.771171] dump_stack+0x194/0x257 [ 55.771424] ? arch_local_irq_restore+0x53/0x53 [ 55.771835] ? isolate_lru_page+0x11d0/0x11d0 [ 55.772156] warn_alloc+0x1c2/0x2f0 [ 55.772477] ? zone_watermark_ok_safe+0x430/0x430 [ 55.772821] ? rcu_note_context_switch+0x710/0x710 [ 55.773274] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 55.773638] ? warn_alloc+0x2f0/0x2f0 [ 55.773973] ? SyS_ioctl+0x8f/0xc0 [ 55.774231] ? warn_alloc+0x2f0/0x2f0 [ 55.774588] ? save_stack_trace+0x16/0x20 [ 55.774912] ? check_noncircular+0x20/0x20 [ 55.775253] syzkaller531925: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 55.775264] syzkaller531925 cpuset=/ mems_allowed=0-1 [ 55.777071] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 55.777535] ? find_held_lock+0x39/0x1d0 [ 55.777921] ? lock_downgrade+0x990/0x990 [ 55.778301] ? check_same_owner+0x320/0x320 [ 55.778696] ? rcu_note_context_switch+0x710/0x710 [ 55.779157] ? check_noncircular+0x20/0x20 [ 55.779530] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 55.780159] ? __might_sleep+0x95/0x190 [ 55.780560] __alloc_pages_nodemask+0x9f7/0xd80 [ 55.781031] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.781518] ? __alloc_pages_nodemask+0xae5/0xd80 [ 55.781989] ? find_held_lock+0x39/0x1d0 [ 55.782388] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.782907] ? cache_grow_begin+0x31b/0x400 [ 55.783668] cache_grow_begin+0x86/0x400 [ 55.784069] fallback_alloc+0x150/0x2b0 [ 55.784467] ____cache_alloc_node+0x1cf/0x1e0 [ 55.784910] kmem_cache_alloc_trace+0x27d/0x750 [ 55.785361] ? lock_downgrade+0x990/0x990 [ 55.785778] kvm_dev_ioctl+0x216/0x1840 [ 55.786171] ? lock_release+0xd70/0xd70 [ 55.786560] ? install_new_memslots+0x420/0x420 [ 55.787158] ? avc_has_extended_perms+0x7fa/0x12c0 [ 55.787634] ? unwind_get_return_address+0x61/0xa0 [ 55.788151] ? avc_ss_reset+0x110/0x110 [ 55.788864] ? putname+0xee/0x130 [ 55.789209] ? save_stack+0xa3/0xd0 [ 55.789863] ? save_stack_trace+0x16/0x20 [ 55.790702] ? save_stack+0x43/0xd0 [ 55.791048] ? kasan_slab_free+0x71/0xc0 [ 55.791404] ? kmem_cache_free+0x77/0x280 [ 55.791788] ? putname+0xee/0x130 [ 55.792093] ? do_sys_open+0x31b/0x6d0 [ 55.792440] ? __lock_is_held+0xbc/0x140 [ 55.792831] ? check_same_owner+0x320/0x320 [ 55.793217] ? rcu_note_context_switch+0x710/0x710 [ 55.793668] ? install_new_memslots+0x420/0x420 [ 55.794085] do_vfs_ioctl+0x1b1/0x1530 [ 55.794428] ? _cond_resched+0x14/0x30 [ 55.794798] ? ioctl_preallocate+0x2b0/0x2b0 [ 55.795197] ? selinux_capable+0x40/0x40 [ 55.795558] ? putname+0xf3/0x130 [ 55.795891] ? security_file_ioctl+0x7d/0xb0 [ 55.796277] ? security_file_ioctl+0x89/0xb0 [ 55.796704] SyS_ioctl+0x8f/0xc0 [ 55.797010] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 55.797427] RIP: 0033:0x435369 [ 55.797727] RSP: 002b:00007ffe1a3ee238 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 55.798397] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 55.799055] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000032b [ 55.799696] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 55.800493] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 55.801515] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 55.802406] CPU: 2 PID: 3078 Comm: syzkaller531925 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 55.803146] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 55.803738] Call Trace: [ 55.803936] dump_stack+0x194/0x257 [ 55.804256] ? arch_local_irq_restore+0x53/0x53 [ 55.804646] ? isolate_lru_page+0x11d0/0x11d0 [ 55.805022] ? _find_next_bit+0xee/0x120 [ 55.805478] warn_alloc+0x1c2/0x2f0 [ 55.805829] ? zone_watermark_ok_safe+0x430/0x430 [ 55.806226] ? mutex_unlock+0xd/0x10 [ 55.806581] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 55.807061] ? warn_alloc+0x2f0/0x2f0 [ 55.807395] ? SyS_ioctl+0x8f/0xc0 [ 55.807728] ? warn_alloc+0x2f0/0x2f0 [ 55.808068] ? save_stack_trace+0x16/0x20 [ 55.808439] ? check_noncircular+0x20/0x20 [ 55.808846] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 55.809317] ? find_held_lock+0x39/0x1d0 [ 55.809703] ? lock_downgrade+0x990/0x990 [ 55.810099] ? check_same_owner+0x320/0x320 [ 55.810480] ? rcu_note_context_switch+0x710/0x710 [ 55.810944] ? check_noncircular+0x20/0x20 [ 55.811322] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 55.812260] ? __might_sleep+0x95/0x190 [ 55.812625] __alloc_pages_nodemask+0x9f7/0xd80 [ 55.813040] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.813477] ? __alloc_pages_nodemask+0xae5/0xd80 [ 55.814068] ? find_held_lock+0x39/0x1d0 [ 55.814426] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.814948] ? cache_grow_begin+0x31b/0x400 [ 55.815332] cache_grow_begin+0x86/0x400 [ 55.815702] fallback_alloc+0x150/0x2b0 [ 55.816087] ____cache_alloc_node+0x1cf/0x1e0 [ 55.816489] kmem_cache_alloc_trace+0x27d/0x750 [ 55.816899] ? lock_downgrade+0x990/0x990 [ 55.817273] kvm_dev_ioctl+0x216/0x1840 [ 55.817538] ? lock_release+0xd70/0xd70 [ 55.817892] ? install_new_memslots+0x420/0x420 [ 55.818206] ? avc_has_extended_perms+0x7fa/0x12c0 [ 55.818638] ? unwind_get_return_address+0x61/0xa0 [ 55.818981] ? avc_ss_reset+0x110/0x110 [ 55.819330] ? putname+0xee/0x130 [ 55.819570] ? save_stack+0xa3/0xd0 [ 55.819924] ? save_stack_trace+0x16/0x20 [ 55.820214] ? save_stack+0x43/0xd0 [ 55.820533] ? kasan_slab_free+0x71/0xc0 [ 55.820794] ? kmem_cache_free+0x77/0x280 [ 55.821156] ? putname+0xee/0x130 [ 55.821385] ? do_sys_open+0x31b/0x6d0 [ 55.821730] ? __lock_is_held+0xbc/0x140 [ 55.822012] ? check_same_owner+0x320/0x320 [ 55.822390] ? rcu_note_context_switch+0x710/0x710 [ 55.822719] ? install_new_memslots+0x420/0x420 [ 55.823131] do_vfs_ioctl+0x1b1/0x1530 [ 55.823388] ? _cond_resched+0x14/0x30 [ 55.823736] ? ioctl_preallocate+0x2b0/0x2b0 [ 55.824023] ? selinux_capable+0x40/0x40 [ 55.824383] ? putname+0xf3/0x130 [ 55.824703] ? security_file_ioctl+0x7d/0xb0 [ 55.825091] ? security_file_ioctl+0x89/0xb0 [ 55.825484] SyS_ioctl+0x8f/0xc0 [ 55.825789] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 55.826207] RIP: 0033:0x435369 [ 55.826490] RSP: 002b:00007ffe1a3ee238 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 55.827169] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 55.827796] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002db [ 55.828425] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 55.829056] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 55.829687] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 56.046397] syzkaller531925: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 56.047713] syzkaller531925 cpuset=/ mems_allowed=0-1 [ 56.048272] CPU: 2 PID: 3074 Comm: syzkaller531925 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 56.048860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 56.049379] Call Trace: [ 56.049561] dump_stack+0x194/0x257 [ 56.049820] ? arch_local_irq_restore+0x53/0x53 [ 56.050131] ? flush_work+0x621/0x930 [ 56.050400] warn_alloc+0x1c2/0x2f0 [ 56.050656] ? zone_watermark_ok_safe+0x430/0x430 [ 56.051025] ? mutex_unlock+0xd/0x10 [ 56.051438] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 56.052002] ? warn_alloc+0x2f0/0x2f0 [ 56.052402] ? SyS_ioctl+0x8f/0xc0 [ 56.052773] ? warn_alloc+0x2f0/0x2f0 [ 56.053167] ? save_stack_trace+0x16/0x20 [ 56.053608] ? check_noncircular+0x20/0x20 [ 56.054053] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 56.054598] ? find_held_lock+0x39/0x1d0 [ 56.055033] ? lock_downgrade+0x990/0x990 [ 56.055487] ? check_same_owner+0x320/0x320 [ 56.055945] ? rcu_note_context_switch+0x710/0x710 [ 56.056448] ? check_noncircular+0x20/0x20 [ 56.056891] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 56.057558] ? __might_sleep+0x95/0x190 [ 56.057970] __alloc_pages_nodemask+0x9f7/0xd80 [ 56.058455] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 56.058987] ? __alloc_pages_nodemask+0xae5/0xd80 [ 56.059484] ? find_held_lock+0x39/0x1d0 [ 56.059919] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 56.060458] ? cache_grow_begin+0x31b/0x400 [ 56.060885] cache_grow_begin+0x86/0x400 [ 56.061257] fallback_alloc+0x150/0x2b0 [ 56.061598] ____cache_alloc_node+0x1cf/0x1e0 [ 56.061975] kmem_cache_alloc_trace+0x27d/0x750 [ 56.062379] ? lock_downgrade+0x990/0x990 [ 56.062724] kvm_dev_ioctl+0x216/0x1840 [ 56.063064] ? lock_release+0xd70/0xd70 [ 56.063425] ? install_new_memslots+0x420/0x420 [ 56.063784] ? avc_has_extended_perms+0x7fa/0x12c0 [ 56.064058] ? unwind_get_return_address+0x61/0xa0 [ 56.064339] ? avc_ss_reset+0x110/0x110 [ 56.064563] ? putname+0xee/0x130 [ 56.064759] ? save_stack+0xa3/0xd0 [ 56.064967] ? save_stack_trace+0x16/0x20 [ 56.065203] ? save_stack+0x43/0xd0 [ 56.065408] ? kasan_slab_free+0x71/0xc0 [ 56.065637] ? kmem_cache_free+0x77/0x280 [ 56.065871] ? putname+0xee/0x130 [ 56.066069] ? do_sys_open+0x31b/0x6d0 [ 56.066301] ? __lock_is_held+0xbc/0x140 [ 56.066548] ? check_same_owner+0x320/0x320 [ 56.066794] ? rcu_note_context_switch+0x710/0x710 [ 56.067175] ? install_new_memslots+0x420/0x420 [ 56.067493] do_vfs_ioctl+0x1b1/0x1530 [ 56.068295] ? _cond_resched+0x14/0x30 [ 56.068612] ? ioctl_preallocate+0x2b0/0x2b0 [ 56.068964] ? selinux_capable+0x40/0x40 [ 56.069325] ? putname+0xf3/0x130 [ 56.069588] ? security_file_ioctl+0x7d/0xb0 [ 56.069992] ? security_file_ioctl+0x89/0xb0 [ 56.070401] SyS_ioctl+0x8f/0xc0 [ 56.070714] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 56.071131] RIP: 0033:0x435369 [ 56.071385] RSP: 002b:00007ffe1a3ee238 EFLAGS: 00000217 ORIG_RAX: 0000000000000010 [ 56.071989] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 56.072521] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002b0 [ 56.072919] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 56.073323] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000000 [ 56.073722] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 56.272709] syzkaller531925: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 56.274977] syzkaller531925 cpuset=/ mems_allowed=0-1 [ 56.275950] CPU: 1 PID: 3075 Comm: syzkaller531925 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 56.277462] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 56.278914] Call Trace: [ 56.279387] dump_stack+0x194/0x257 [ 56.280036] ? arch_local_irq_restore+0x53/0x53 [ 56.281169] ? isolate_lru_page+0x11d0/0x11d0 [ 56.281649] warn_alloc+0x1c2/0x2f0 [ 56.282038] ? zone_watermark_ok_safe+0x430/0x430 [ 56.282566] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 56.283173] ? warn_alloc+0x2f0/0x2f0 [ 56.283580] ? SyS_ioctl+0x8f/0xc0 [ 56.284036] ? warn_alloc+0x2f0/0x2f0 [ 56.284441] ? save_stack_trace+0x16/0x20 [ 56.284894] ? check_noncircular+0x20/0x20 [ 56.285352] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 56.285917] ? find_held_lock+0x39/0x1d0 [ 56.286354] ? lock_downgrade+0x990/0x990 [ 56.286818] ? check_same_owner+0x320/0x320 [ 56.287288] ? rcu_note_context_switch+0x710/0x710 [ 56.287809] ? check_noncircular+0x20/0x20 [ 56.288252] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 56.288950] ? __might_sleep+0x95/0x190 [ 56.289376] __alloc_pages_nodemask+0x9f7/0xd80 [ 56.290096] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 56.290756] ? __alloc_pages_nodemask+0xae5/0xd80 [ 56.291643] ? find_held_lock+0x39/0x1d0 [ 56.292160] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 56.292708] ? cache_grow_begin+0x31b/0x400 [ 56.293172] cache_grow_begin+0x86/0x400 [ 56.293604] fallback_alloc+0x150/0x2b0 [ 56.294027] ____cache_alloc_node+0x1cf/0x1e0 [ 56.294502] kmem_cache_alloc_trace+0x27d/0x750 [ 56.295008] ? lock_downgrade+0x990/0x990 [ 56.295453] kvm_dev_ioctl+0x216/0x1840 [ 56.295878] ? lock_release+0xd70/0xd70 [ 56.296293] ? install_new_memslots+0x420/0x420 [ 56.296795] ? avc_has_extended_perms+0x7fa/0x12c0 [ 56.297310] ? unwind_get_return_address+0x61/0xa0 [ 56.297845] ? avc_ss_reset+0x110/0x110 [ 56.298283] ? putname+0xee/0x130 [ 56.298648] ? save_stack+0xa3/0xd0 [ 56.299049] ? save_stack_trace+0x16/0x20 [ 56.299489] ? save_stack+0x43/0xd0 [ 56.299870] ? kasan_slab_free+0x71/0xc0 [ 56.300291] ? kmem_cache_free+0x77/0x280 [ 56.300720] ? putname+0xee/0x130 [ 56.301082] ? do_sys_open+0x31b/0x6d0 [ 56.301499] ? __lock_is_held+0xbc/0x140 [ 56.302001] ? check_same_owner+0x320/0x320 [ 56.303137] ? rcu_note_context_switch+0x710/0x710 [ 56.303657] ? install_new_memslots+0x420/0x420 [ 56.304148] do_vfs_ioctl+0x1b1/0x1530 [ 56.304554] ? _cond_resched+0x14/0x30 [ 56.304955] ? ioctl_preallocate+0x2b0/0x2b0 [ 56.305292] ? selinux_capable+0x40/0x40 [ 56.305632] ? putname+0xf3/0x130 [ 56.305938] ? security_file_ioctl+0x7d/0xb0 [ 56.306302] ? security_file_ioctl+0x89/0xb0 [ 56.306716] SyS_ioctl+0x8f/0xc0 [ 56.307078] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 56.307473] RIP: 0033:0x435369 [ 56.307725] RSP: 002b:00007ffe1a3ee238 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 56.308321] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 56.308878] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000314 [ 56.309435] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 56.310449] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 56.312007] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 57.016912] syzkaller531925: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 57.017719] syzkaller531925 cpuset=/ mems_allowed=0-1 [ 57.018103] CPU: 2 PID: 3078 Comm: syzkaller531925 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 57.018647] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 57.019185] Call Trace: [ 57.019357] dump_stack+0x194/0x257 [ 57.019595] ? arch_local_irq_restore+0x53/0x53 [ 57.019896] ? isolate_lru_page+0x11d0/0x11d0 [ 57.020206] warn_alloc+0x1c2/0x2f0 [ 57.020445] ? zone_watermark_ok_safe+0x430/0x430 [ 57.020766] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 57.021230] ? warn_alloc+0x2f0/0x2f0 [ 57.021600] ? SyS_ioctl+0x8f/0xc0 [ 57.021943] ? warn_alloc+0x2f0/0x2f0 [ 57.022258] ? save_stack_trace+0x16/0x20 [ 57.022672] ? check_noncircular+0x20/0x20 [ 57.023097] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.023446] ? find_held_lock+0x39/0x1d0 [ 57.023718] ? lock_downgrade+0x990/0x990 [ 57.024011] ? check_same_owner+0x320/0x320 [ 57.024303] ? rcu_note_context_switch+0x710/0x710 [ 57.024791] ? check_noncircular+0x20/0x20 [ 57.025196] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 57.025623] ? __might_sleep+0x95/0x190 [ 57.025883] __alloc_pages_nodemask+0x9f7/0xd80 [ 57.026227] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.026653] ? __alloc_pages_nodemask+0xae5/0xd80 [ 57.027148] ? find_held_lock+0x39/0x1d0 [ 57.028022] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.028489] ? cache_grow_begin+0x31b/0x400 [ 57.028932] cache_grow_begin+0x86/0x400 [ 57.029362] fallback_alloc+0x150/0x2b0 [ 57.029772] ____cache_alloc_node+0x1cf/0x1e0 [ 57.030356] kmem_cache_alloc_trace+0x27d/0x750 [ 57.030777] ? lock_downgrade+0x990/0x990 [ 57.031059] kvm_dev_ioctl+0x216/0x1840 [ 57.031324] ? lock_release+0xd70/0xd70 [ 57.031673] ? install_new_memslots+0x420/0x420 [ 57.032142] ? avc_has_extended_perms+0x7fa/0x12c0 [ 57.032521] ? unwind_get_return_address+0x61/0xa0 [ 57.032850] ? avc_ss_reset+0x110/0x110 [ 57.033098] ? putname+0xee/0x130 [ 57.033326] ? save_stack+0xa3/0xd0 [ 57.033603] ? save_stack_trace+0x16/0x20 [ 57.034005] ? save_stack+0x43/0xd0 [ 57.034357] ? kasan_slab_free+0x71/0xc0 [ 57.034640] ? kmem_cache_free+0x77/0x280 [ 57.034920] ? putname+0xee/0x130 [ 57.035144] ? do_sys_open+0x31b/0x6d0 [ 57.035397] ? __lock_is_held+0xbc/0x140 [ 57.035758] ? check_same_owner+0x320/0x320 [ 57.036185] ? rcu_note_context_switch+0x710/0x710 [ 57.036596] ? install_new_memslots+0x420/0x420 [ 57.036895] do_vfs_ioctl+0x1b1/0x1530 [ 57.037147] ? _cond_resched+0x14/0x30 [ 57.037401] ? ioctl_preallocate+0x2b0/0x2b0 [ 57.037783] ? selinux_capable+0x40/0x40 [ 57.038189] ? putname+0xf3/0x130 [ 57.038514] ? security_file_ioctl+0x7d/0xb0 [ 57.038809] ? security_file_ioctl+0x89/0xb0 [ 57.039098] SyS_ioctl+0x8f/0xc0 [ 57.039322] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 57.039659] RIP: 0033:0x435369 [ 57.039968] RSP: 002b:00007ffe1a3ee238 EFLAGS: 00000213 ORIG_RAX: 0000000000000010 [ 57.040644] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 57.041104] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002e0 [ 57.041561] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 57.042247] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000000000 [ 57.042800] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 57.043285] warn_alloc_show_mem: 4 callbacks suppressed [ 57.043675] Mem-Info: [ 57.063625] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 57.063687] rsyslogd cpuset=/ mems_allowed=0-1 [ 57.063827] CPU: 1 PID: 2957 Comm: rsyslogd Not tainted 4.13.0-rc6-next-20170825+ #9 [ 57.063831] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 57.063835] Call Trace: [ 57.063845] dump_stack+0x194/0x257 [ 57.063857] ? arch_local_irq_restore+0x53/0x53 [ 57.063868] ? check_noncircular+0x20/0x20 [ 57.063886] dump_header+0x234/0xa0e [ 57.063909] ? pagefault_out_of_memory+0x152/0x152 [ 57.063925] ? lock_acquire+0x1d5/0x580 [ 57.063932] ? ___ratelimit+0x152/0x630 [ 57.063949] ? do_raw_spin_trylock+0x190/0x190 [ 57.063964] ? mark_held_locks+0xb2/0x100 [ 57.063974] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 57.063984] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 57.063994] ? trace_hardirqs_on+0xd/0x10 [ 57.064007] ? ___ratelimit+0x95/0x630 [ 57.064016] ? idr_get_free+0xff0/0xff0 [ 57.064022] ? lock_downgrade+0x990/0x990 [ 57.064032] ? cred_has_capability+0x1a0/0x3d0 [ 57.064049] oom_kill_process+0x86d/0x13d0 [ 57.064063] ? lock_release+0xd70/0xd70 [ 57.064082] ? oom_evaluate_task+0x480/0x480 [ 57.064092] ? security_capable_noaudit+0x8b/0xc0 [ 57.064107] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 57.064115] ? check_noncircular+0x20/0x20 [ 57.064121] ? has_capability+0x30/0x30 [ 57.064144] ? has_capability_noaudit+0x24/0x30 [ 57.064153] ? oom_badness+0xdf/0xb80 [ 57.064170] ? find_held_lock+0x39/0x1d0 [ 57.064193] ? lock_downgrade+0x990/0x990 [ 57.064211] ? out_of_memory+0x8c1/0x11d0 [ 57.064220] ? oom_reaper+0x4d0/0x4d0 [ 57.064233] ? lock_release+0xd70/0xd70 [ 57.064243] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 57.064261] ? oom_evaluate_task+0x284/0x480 [ 57.064276] out_of_memory+0x7dd/0x11d0 [ 57.064282] ? trace_hardirqs_on+0xd/0x10 [ 57.064300] ? oom_killer_disable+0x310/0x310 [ 57.064306] ? mutex_trylock+0x23a/0x2d0 [ 57.064319] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 57.064325] ? check_same_owner+0x320/0x320 [ 57.064346] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 57.064417] ? warn_alloc+0x2f0/0x2f0 [ 57.064431] ? find_get_pages_tag+0xf40/0xf40 [ 57.064464] ? check_noncircular+0x20/0x20 [ 57.064480] ? find_get_entry+0x53c/0x9e0 [ 57.064516] ? lock_downgrade+0x990/0x990 [ 57.064529] ? find_held_lock+0x39/0x1d0 [ 57.064595] ? check_same_owner+0x320/0x320 [ 57.064604] ? __page_cache_alloc+0x165/0x4d0 [ 57.064622] ? __might_sleep+0x95/0x190 [ 57.064636] __alloc_pages_nodemask+0x9f7/0xd80 [ 57.064652] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.064663] ? add_to_page_cache_lru+0x510/0x510 [ 57.064686] ? find_held_lock+0x39/0x1d0 [ 57.064738] alloc_pages_current+0xb6/0x1e0 [ 57.064751] __page_cache_alloc+0x358/0x4d0 [ 57.064761] ? rcu_read_lock_held+0xa9/0xc0 [ 57.064772] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 57.064794] filemap_fault+0xf32/0x1d30 [ 57.064819] ? __lock_page_or_retry+0x500/0x500 [ 57.064837] ? filemap_map_pages+0x942/0x15d0 [ 57.064862] ? find_get_entries_tag+0xeb0/0xeb0 [ 57.064877] ? __lock_acquire+0x732/0x4620 [ 57.064886] ? check_noncircular+0x20/0x20 [ 57.064912] ? bpf_prog_alloc+0x310/0x310 [ 57.064935] ? __bpf_address_lookup+0x2b0/0x2b0 [ 57.064955] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.064963] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.064980] ? lock_acquire+0x1d5/0x580 [ 57.064988] ? ext4_filemap_fault+0x7d/0xb0 [ 57.065005] ? lock_release+0xd70/0xd70 [ 57.065013] ? check_same_owner+0x320/0x320 [ 57.065025] ? rcu_note_context_switch+0x710/0x710 [ 57.065046] ? find_held_lock+0x39/0x1d0 [ 57.065072] ? __might_sleep+0x95/0x190 [ 57.065099] ? down_read+0x96/0x150 [ 57.065105] ? ext4_filemap_fault+0x7d/0xb0 [ 57.065113] ? __down_interruptible+0x6a0/0x6a0 [ 57.065121] ? save_stack_trace+0x16/0x20 [ 57.065127] ? save_stack+0x43/0xd0 [ 57.065133] ? kasan_slab_free+0x71/0xc0 [ 57.065139] ? kfree+0xca/0x250 [ 57.065144] ? do_syslog+0x8b5/0xb80 [ 57.065173] ext4_filemap_fault+0x85/0xb0 [ 57.065182] __do_fault+0xeb/0x30f [ 57.065192] ? pte_offset_kernel+0xc7/0xc7 [ 57.065199] ? lock_downgrade+0x990/0x990 [ 57.065232] ? fsnotify+0xb6f/0x1af0 [ 57.065241] ? check_noncircular+0x20/0x20 [ 57.065266] __handle_mm_fault+0x1b9b/0x39c0 [ 57.065282] ? __pmd_alloc+0x4e0/0x4e0 [ 57.065300] ? lock_downgrade+0x990/0x990 [ 57.065309] ? find_held_lock+0x39/0x1d0 [ 57.065323] ? __lock_is_held+0xbc/0x140 [ 57.065369] handle_mm_fault+0x3bb/0x860 [ 57.065375] ? down_read_trylock+0xdb/0x170 [ 57.065397] ? __handle_mm_fault+0x39c0/0x39c0 [ 57.065404] ? vmacache_find+0x61/0x270 [ 57.065417] ? find_vma+0x30/0x150 [ 57.065430] __do_page_fault+0x4f6/0xb60 [ 57.065450] trace_do_page_fault+0x141/0x730 [ 57.065461] ? do_page_fault+0x70/0x70 [ 57.065468] ? rw_verify_area+0xe5/0x2b0 [ 57.065474] ? __fdget_raw+0x20/0x20 [ 57.065491] ? mutex_unlock+0xd/0x10 [ 57.065496] ? fput+0xd2/0x140 [ 57.065508] ? retint_user+0x18/0x23 [ 57.065523] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.065539] do_async_page_fault+0x72/0xc0 [ 57.065546] async_page_fault+0x22/0x30 [ 57.065552] RIP: 0033:0x7f75706fd342 [ 57.065557] RSP: 002b:00007f756f0ccd80 EFLAGS: 00010206 [ 57.065578] RAX: 0000000000000086 RBX: 00007f75706ff50c RCX: 0000000000000029 [ 57.065583] RDX: 00007f756800e430 RSI: 00007f7570902629 RDI: 00007f756800e4b6 [ 57.065587] RBP: 0000000000000004 R08: 294b434152544f4e R09: 616d65646f6e202c [ 57.065592] R10: 6c6c756e283d6b73 R11: a3d70a3d70a3d70b R12: 0000000000000000 [ 57.065597] R13: 00007f75709025a3 R14: 0000000000000e83 R15: 00007f757090162a [ 57.065678] Mem-Info: [ 57.065693] active_anon:3693 inactive_anon:41 isolated_anon:0 [ 57.065693] active_file:49 inactive_file:5 isolated_file:0 [ 57.065693] unevictable:0 dirty:0 writeback:0 unstable:0 [ 57.065693] slab_reclaimable:53644 slab_unreclaimable:329324 [ 57.065693] mapped:41 shmem:76 pagetables:311 bounce:0 [ 57.065693] free:17717 free_pcp:0 free_cma:0 [ 57.065704] Node 0 active_anon:8432kB inactive_anon:68kB active_file:84kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:148kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 57.065714] Node 1 active_anon:6340kB inactive_anon:96kB active_file:112kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 57.065718] Node 0 DMA free:4088kB min:640kB low:800kB high:960kB active_anon:52kB 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 [ 57.065734] lowmem_reserve[]: 0 886 886 886 [ 57.065756] Node 0 DMA32 free:36384kB min:36536kB low:45668kB high:54800kB active_anon:8380kB inactive_anon:68kB active_file:0kB inactive_file:352kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2720kB pagetables:576kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 57.065771] lowmem_reserve[]: 0 0 0 0 [ 57.065804] Node 1 DMA32 free:30396kB min:30404kB low:38004kB high:45604kB active_anon:6340kB inactive_anon:96kB active_file:112kB inactive_file:128kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1248kB pagetables:668kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 57.065819] lowmem_reserve[]: 0 0 0 0 [ 57.065839] Node 0 DMA: 6*4kB (UM) 2*8kB (M) 1*16kB (M) 2*32kB (ME) 2*64kB (UE) 2*128kB (ME) 2*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 4088kB [ 57.065945] Node 0 DMA32: 229*4kB (UME) 349*8kB (UME) 177*16kB (UM) 75*32kB (UME) 27*64kB (UME) 8*128kB (UM) 4*256kB (ME) 3*512kB (ME) 4*1024kB (UME) 5*2048kB (ME) 2*4096kB (M) = 36780kB [ 57.066059] Node 1 DMA32: 430*4kB (UME) 663*8kB (UME) 625*16kB (UME) 239*32kB (UME) 88*64kB (UME) 2*128kB (ME) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30560kB [ 57.066169] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.066175] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.066179] 175 total pagecache pages [ 57.066188] 0 pages in swap cache [ 57.066193] Swap cache stats: add 0, delete 0, find 0/0 [ 57.066197] Free swap = 0kB [ 57.066201] Total swap = 0kB [ 57.066205] 524186 pages RAM [ 57.066209] 0 pages HighMem/MovableOnly [ 57.066213] 103968 pages reserved [ 57.066217] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 57.066273] [ 1526] 0 1526 7196 1978 20 3 0 -1000 udevd [ 57.066301] [ 2822] 0 2822 2493 573 9 3 0 0 dhclient [ 57.066313] [ 2953] 0 2953 30616 166 24 3 0 0 rsyslogd [ 57.066324] [ 2989] 0 2989 4725 48 15 3 0 0 cron [ 57.066335] [ 3015] 0 3015 12490 153 29 3 0 -1000 sshd [ 57.066347] [ 3039] 0 3039 3694 39 13 3 0 0 getty [ 57.066358] [ 3040] 0 3040 3694 40 12 3 0 0 getty [ 57.066369] [ 3041] 0 3041 3694 39 13 3 0 0 getty [ 57.066380] [ 3042] 0 3042 3694 40 13 3 0 0 getty [ 57.066391] [ 3043] 0 3043 3694 41 12 3 0 0 getty [ 57.066403] [ 3044] 0 3044 3694 42 13 3 0 0 getty [ 57.066414] [ 3045] 0 3045 3649 40 13 3 0 0 getty [ 57.066426] [ 3048] 0 3048 5381 162 15 3 0 -1000 udevd [ 57.066437] [ 3049] 0 3049 5381 162 15 3 0 -1000 udevd [ 57.066448] [ 3069] 0 3069 17820 197 41 3 0 0 sshd [ 57.066460] [ 3071] 0 3071 271 1 4 2 0 0 syzkaller531925 [ 57.066471] [ 3072] 0 3072 4341 11 5 2 0 0 syzkaller531925 [ 57.066483] [ 3073] 0 3073 4341 11 5 2 0 0 syzkaller531925 [ 57.066495] [ 3074] 0 3074 4341 11 5 2 0 0 syzkaller531925 [ 57.066506] [ 3075] 0 3075 4341 11 5 2 0 0 syzkaller531925 [ 57.066517] [ 3076] 0 3076 4341 11 5 2 0 0 syzkaller531925 [ 57.066529] [ 3077] 0 3077 4341 11 4 2 0 0 syzkaller531925 [ 57.066540] [ 3078] 0 3078 4341 11 5 2 0 0 syzkaller531925 [ 57.066552] [ 3079] 0 3079 4341 11 5 2 0 0 syzkaller531925 [ 57.066557] Out of memory: Kill process 2822 (dhclient) score 1 or sacrifice child [ 57.066870] Killed process 2822 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 57.081862] [ 57.081864] ====================================================== [ 57.081865] WARNING: possible circular locking dependency detected [ 57.081868] 4.13.0-rc6-next-20170825+ #9 Not tainted [ 57.081869] ------------------------------------------------------ [ 57.081871] kworker/1:2/1308 is trying to acquire lock: [ 57.081872] (netstamp_work){+.+.}, at: [] process_one_work+0xb2c/0x1be0 [ 57.081882] [ 57.081882] but now in release context of a crosslock acquired at the following: [ 57.081882] ((complete)wq_barr::done#2/1){+.+.}, at: [] flush_work+0x621/0x930 [ 57.081888] [ 57.081888] which lock already depends on the new lock. [ 57.081888] [ 57.081889] [ 57.081889] the existing dependency chain (in reverse order) is: [ 57.081889] [ 57.081889] -> #8 ((complete)wq_barr::done#2/1){+.+.}: [ 57.081896] __lock_acquire+0x3286/0x4620 [ 57.081898] lock_acquire+0x1d5/0x580 [ 57.081902] wait_for_completion+0xc8/0x770 [ 57.081904] flush_work+0x621/0x930 [ 57.081906] drain_all_pages+0x490/0x750 [ 57.081908] __alloc_pages_slowpath+0xd2e/0x2ee0 [ 57.081910] __alloc_pages_nodemask+0x9f7/0xd80 [ 57.081914] cache_grow_begin+0x86/0x400 [ 57.081916] fallback_alloc+0x150/0x2b0 [ 57.081918] ____cache_alloc_node+0x1cf/0x1e0 [ 57.081920] kmem_cache_alloc_node_trace+0xe9/0x760 [ 57.081922] __kmalloc_node+0x33/0x70 [ 57.081925] alloc_request_size+0x80/0x120 [ 57.081928] mempool_alloc+0x16a/0x4b0 [ 57.081930] get_request+0xdeb/0x23b0 [ 57.081932] blk_queue_bio+0x39d/0x1450 [ 57.081933] generic_make_request+0x435/0xe20 [ 57.081935] submit_bio+0x18b/0x520 [ 57.081938] ext4_mpage_readpages+0x12a8/0x1c10 [ 57.081940] ext4_readpages+0xb9/0x100 [ 57.081943] __do_page_cache_readahead+0x6c6/0xc00 [ 57.081945] filemap_fault+0xb1a/0x1d30 [ 57.081947] ext4_filemap_fault+0x85/0xb0 [ 57.081949] __do_fault+0xeb/0x30f [ 57.081951] __handle_mm_fault+0x1b9b/0x39c0 [ 57.081953] handle_mm_fault+0x3bb/0x860 [ 57.081957] __do_page_fault+0x4f6/0xb60 [ 57.081960] trace_do_page_fault+0x141/0x730 [ 57.081963] do_async_page_fault+0x72/0xc0 [ 57.081966] async_page_fault+0x22/0x30 [ 57.081967] [ 57.081967] -> #7 (&ei->i_mmap_sem){++++}: [ 57.081973] __lock_acquire+0x3286/0x4620 [ 57.081977] lock_acquire+0x1d5/0x580 [ 57.081980] down_read+0x96/0x150 [ 57.081984] ext4_filemap_fault+0x7d/0xb0 [ 57.081986] __do_fault+0xeb/0x30f [ 57.081990] __handle_mm_fault+0x1617/0x39c0 [ 57.081993] handle_mm_fault+0x3bb/0x860 [ 57.081996] __do_page_fault+0x4f6/0xb60 [ 57.082000] trace_do_page_fault+0x141/0x730 [ 57.082006] do_async_page_fault+0x72/0xc0 [ 57.082010] async_page_fault+0x22/0x30 [ 57.082014] __clear_user+0x42/0x70 [ 57.082018] clear_user+0x79/0xa0 [ 57.082023] load_elf_binary+0x28d5/0x4c10 [ 57.082028] search_binary_handler+0x142/0x6b0 [ 57.082032] do_execveat_common.isra.33+0x1746/0x22e0 [ 57.082036] do_execve+0x31/0x40 [ 57.082040] run_init_process+0x32/0x40 [ 57.082044] try_to_run_init_process+0x17/0x50 [ 57.082047] kernel_init+0xf3/0x172 [ 57.082051] ret_from_fork+0x2a/0x40 [ 57.082052] [ 57.082052] -> #6 (&mm->mmap_sem){++++}: [ 57.082059] __lock_acquire+0x3286/0x4620 [ 57.082062] lock_acquire+0x1d5/0x580 [ 57.082067] __might_fault+0x13a/0x1d0 [ 57.082071] _copy_to_user+0x2c/0xc0 [ 57.082074] filldir+0x1a7/0x320 [ 57.082077] dcache_readdir+0x12d/0x5e0 [ 57.082080] iterate_dir+0x4b2/0x5d0 [ 57.082083] SyS_getdents+0x225/0x450 [ 57.082087] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 57.082088] [ 57.082088] -> #5 (&sb->s_type->i_mutex_key#5){++++}: [ 57.082095] down_write+0x87/0x120 [ 57.082099] handle_create+0x30c/0x760 [ 57.082103] devtmpfsd+0x3eb/0x520 [ 57.082107] kthread+0x39c/0x470 [ 57.082110] ret_from_fork+0x2a/0x40 [ 57.082111] [ 57.082111] -> #4 ((complete)&req.done){+.+.}: [ 57.082118] __lock_acquire+0x3286/0x4620 [ 57.082122] lock_acquire+0x1d5/0x580 [ 57.082126] wait_for_completion+0xc8/0x770 [ 57.082129] devtmpfs_create_node+0x32b/0x4a0 [ 57.082133] device_add+0x120f/0x1640 [ 57.082137] device_create_groups_vargs+0x1f3/0x250 [ 57.082140] device_create+0xda/0x110 [ 57.082144] msr_device_create+0x26/0x40 [ 57.082148] cpuhp_invoke_callback+0x256/0x14d0 [ 57.082152] cpuhp_thread_fun+0x265/0x520 [ 57.082155] smpboot_thread_fn+0x489/0x850 [ 57.082159] kthread+0x39c/0x470 [ 57.082163] ret_from_fork+0x2a/0x40 [ 57.082164] [ 57.082164] -> #3 (cpuhp_state){+.+.}: [ 57.082171] __lock_acquire+0x3286/0x4620 [ 57.082175] lock_acquire+0x1d5/0x580 [ 57.082179] cpuhp_issue_call+0x1a2/0x3e0 [ 57.082183] __cpuhp_setup_state_cpuslocked+0x2e7/0x610 [ 57.082187] __cpuhp_setup_state+0xb0/0x140 [ 57.082192] page_writeback_init+0x4d/0x71 [ 57.082195] pagecache_init+0x48/0x4f [ 57.082199] start_kernel+0x71a/0x7ad [ 57.082203] x86_64_start_reservations+0x2a/0x2c [ 57.082206] x86_64_start_kernel+0x13c/0x149 [ 57.082210] verify_cpu+0x0/0xfb [ 57.082211] [ 57.082211] -> #2 (cpuhp_state_mutex){+.+.}: [ 57.082218] __lock_acquire+0x3286/0x4620 [ 57.082222] lock_acquire+0x1d5/0x580 [ 57.082226] __mutex_lock+0x16f/0x1870 [ 57.082229] mutex_lock_nested+0x16/0x20 [ 57.082233] __cpuhp_setup_state_cpuslocked+0x5b/0x610 [ 57.082237] __cpuhp_setup_state+0xb0/0x140 [ 57.082240] kvm_guest_init+0x1f3/0x20f [ 57.082243] setup_arch+0x1899/0x1ab3 [ 57.082246] start_kernel+0xa5/0x7ad [ 57.082249] x86_64_start_reservations+0x2a/0x2c [ 57.082253] x86_64_start_kernel+0x13c/0x149 [ 57.082256] verify_cpu+0x0/0xfb [ 57.082257] [ 57.082257] -> #1 (cpu_hotplug_lock.rw_sem){++++}: [ 57.082264] __lock_acquire+0x3286/0x4620 [ 57.082268] lock_acquire+0x1d5/0x580 [ 57.082271] cpus_read_lock+0x42/0x90 [ 57.082274] static_key_enable+0x12/0x30 [ 57.082278] netstamp_clear+0x32/0x60 [ 57.082282] process_one_work+0xbfd/0x1be0 [ 57.082285] worker_thread+0x223/0x1860 [ 57.082288] kthread+0x39c/0x470 [ 57.082291] ret_from_fork+0x2a/0x40 [ 57.082292] [ 57.082292] -> #0 (netstamp_work){+.+.}: [ 57.082299] process_one_work+0xba5/0x1be0 [ 57.082302] worker_thread+0x223/0x1860 [ 57.082305] kthread+0x39c/0x470 [ 57.082309] ret_from_fork+0x2a/0x40 [ 57.082312] 0xffffffffffffffff [ 57.082313] [ 57.082313] other info that might help us debug this: [ 57.082313] [ 57.082314] Chain exists of: [ 57.082314] netstamp_work --> &ei->i_mmap_sem --> (complete)wq_barr::done#2/1 [ 57.082314] [ 57.082322] Possible unsafe locking scenario by crosslock: [ 57.082322] [ 57.082323] CPU0 CPU1 [ 57.082324] ---- ---- [ 57.082325] lock(&ei->i_mmap_sem); [ 57.082327] lock((complete)wq_barr::done#2/1); [ 57.082332] lock(netstamp_work); [ 57.082334] unlock((complete)wq_barr::done#2/1); [ 57.082339] [ 57.082339] *** DEADLOCK *** [ 57.082339] [ 57.082341] 3 locks held by kworker/1:2/1308: [ 57.082342] #0: ("mm_percpu_wq"){++++}, at: [] process_one_work+0xad4/0x1be0 [ 57.082351] #1: ((&barr->work)){+.+.}, at: [] process_one_work+0xb2c/0x1be0 [ 57.082356] #2: (&x->wait#14){....}, at: [] complete+0x18/0x80 [ 57.082362] [ 57.082362] stack backtrace: [ 57.082366] CPU: 1 PID: 1308 Comm: kworker/1:2 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 57.082368] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 57.082379] Workqueue: mm_percpu_wq wq_barrier_func [ 57.082381] Call Trace: [ 57.082388] dump_stack+0x194/0x257 [ 57.082392] ? arch_local_irq_restore+0x53/0x53 [ 57.082397] print_circular_bug+0x503/0x710 [ 57.082402] ? print_circular_bug_entry+0xb0/0xb0 [ 57.082408] check_prev_add+0x865/0x1520 [ 57.082412] ? on_each_cpu+0x119/0x1b0 [ 57.082415] ? graph_lock+0x170/0x170 [ 57.082420] ? check_usage+0xb70/0xb70 [ 57.082423] ? wait_for_completion+0x770/0x770 [ 57.082427] ? check_noncircular+0x20/0x20 [ 57.082431] ? hlock_class+0x140/0x140 [ 57.082435] lock_commit_crosslock+0xe73/0x1d10 [ 57.082439] ? lock_commit_crosslock+0xe73/0x1d10 [ 57.082442] ? show_initstate+0xb0/0xb0 [ 57.082448] ? check_prev_add+0x1520/0x1520 [ 57.082454] ? lock_acquire+0x1d5/0x580 [ 57.082456] ? complete+0x18/0x80 [ 57.082461] ? lock_release+0xd70/0xd70 [ 57.082463] ? process_one_work+0xb2c/0x1be0 [ 57.082470] complete+0x24/0x80 [ 57.082475] wq_barrier_func+0x16/0x20 [ 57.082477] process_one_work+0xbfd/0x1be0 [ 57.082480] ? check_noncircular+0x20/0x20 [ 57.082485] ? pwq_dec_nr_in_flight+0x450/0x450 [ 57.082489] ? finish_task_switch+0x1d3/0x740 [ 57.082498] ? __sched_text_start+0x8/0x8 [ 57.082501] ? check_noncircular+0x20/0x20 [ 57.082505] ? __unwind_start+0x169/0x330 [ 57.082510] ? find_held_lock+0x39/0x1d0 [ 57.082517] ? lock_acquire+0x1d5/0x580 [ 57.082520] ? worker_thread+0x4a3/0x1860 [ 57.082524] ? move_linked_works+0x2c8/0x430 [ 57.082529] ? pr_cont_work+0x130/0x130 [ 57.082537] worker_thread+0xa4b/0x1860 [ 57.082546] ? process_one_work+0x1be0/0x1be0 [ 57.082550] ? check_noncircular+0x20/0x20 [ 57.082554] ? _raw_spin_unlock_irq+0x27/0x70 [ 57.082559] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 57.082564] ? trace_hardirqs_on+0xd/0x10 [ 57.082568] ? _raw_spin_unlock_irq+0x27/0x70 [ 57.082572] ? finish_task_switch+0x1d3/0x740 [ 57.082575] ? finish_task_switch+0x1aa/0x740 [ 57.082581] ? preempt_notifier_dec+0x20/0x20 [ 57.082587] ? __schedule+0x8f0/0x2070 [ 57.082592] ? __x2apic_send_IPI_dest.constprop.7+0x5b/0x80 [ 57.082598] ? try_to_wake_up+0xf9/0x1600 [ 57.082604] ? find_held_lock+0x39/0x1d0 [ 57.082612] ? lock_downgrade+0x990/0x990 [ 57.082617] ? complete+0x18/0x80 [ 57.082623] ? __schedule+0x2070/0x2070 [ 57.082629] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 57.082634] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 57.082638] ? trace_hardirqs_on+0xd/0x10 [ 57.082642] ? __kthread_parkme+0x173/0x240 [ 57.082647] kthread+0x39c/0x470 [ 57.082650] ? process_one_work+0x1be0/0x1be0 [ 57.082654] ? kthread_create_on_node+0x100/0x100 [ 57.082659] ret_from_fork+0x2a/0x40 [ 57.183954] syzkaller531925: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 57.183963] syzkaller531925 cpuset=/ mems_allowed=0-1 [ 57.183972] CPU: 3 PID: 3079 Comm: syzkaller531925 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 57.183973] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 57.183975] Call Trace: [ 57.183984] dump_stack+0x194/0x257 [ 57.183989] ? arch_local_irq_restore+0x53/0x53 [ 57.183994] ? isolate_lru_page+0x11d0/0x11d0 [ 57.184000] warn_alloc+0x1c2/0x2f0 [ 57.184006] ? zone_watermark_ok_safe+0x430/0x430 [ 57.184008] ? mutex_unlock+0xd/0x10 [ 57.184019] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 57.184040] ? warn_alloc+0x2f0/0x2f0 [ 57.184044] ? SyS_ioctl+0x8f/0xc0 [ 57.184049] ? warn_alloc+0x2f0/0x2f0 [ 57.184054] ? save_stack_trace+0x16/0x20 [ 57.184062] ? check_noncircular+0x20/0x20 [ 57.184068] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.184076] ? find_held_lock+0x39/0x1d0 [ 57.184083] ? lock_downgrade+0x990/0x990 [ 57.184095] ? check_same_owner+0x320/0x320 [ 57.184100] ? rcu_note_context_switch+0x710/0x710 [ 57.184103] ? check_noncircular+0x20/0x20 [ 57.184107] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 57.184111] ? __might_sleep+0x95/0x190 [ 57.184115] __alloc_pages_nodemask+0x9f7/0xd80 [ 57.184120] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.184123] ? __alloc_pages_nodemask+0xae5/0xd80 [ 57.184126] ? find_held_lock+0x39/0x1d0 [ 57.184130] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.184141] ? cache_grow_begin+0x31b/0x400 [ 57.184146] cache_grow_begin+0x86/0x400 [ 57.184151] fallback_alloc+0x150/0x2b0 [ 57.184157] ____cache_alloc_node+0x1cf/0x1e0 [ 57.184162] kmem_cache_alloc_trace+0x27d/0x750 [ 57.184165] ? lock_downgrade+0x990/0x990 [ 57.184173] kvm_dev_ioctl+0x216/0x1840 [ 57.184178] ? lock_release+0xd70/0xd70 [ 57.184182] ? install_new_memslots+0x420/0x420 [ 57.184191] ? avc_has_extended_perms+0x7fa/0x12c0 [ 57.184195] ? unwind_get_return_address+0x61/0xa0 [ 57.184201] ? avc_ss_reset+0x110/0x110 [ 57.184204] ? putname+0xee/0x130 [ 57.184208] ? save_stack+0xa3/0xd0 [ 57.184211] ? save_stack_trace+0x16/0x20 [ 57.184213] ? save_stack+0x43/0xd0 [ 57.184215] ? kasan_slab_free+0x71/0xc0 [ 57.184218] ? kmem_cache_free+0x77/0x280 [ 57.184220] ? putname+0xee/0x130 [ 57.184223] ? do_sys_open+0x31b/0x6d0 [ 57.184227] ? __lock_is_held+0xbc/0x140 [ 57.184237] ? check_same_owner+0x320/0x320 [ 57.184241] ? rcu_note_context_switch+0x710/0x710 [ 57.184247] ? install_new_memslots+0x420/0x420 [ 57.184250] do_vfs_ioctl+0x1b1/0x1530 [ 57.184252] ? _cond_resched+0x14/0x30 [ 57.184257] ? ioctl_preallocate+0x2b0/0x2b0 [ 57.184261] ? selinux_capable+0x40/0x40 [ 57.184264] ? putname+0xf3/0x130 [ 57.184274] ? security_file_ioctl+0x7d/0xb0 [ 57.184277] ? security_file_ioctl+0x89/0xb0 [ 57.184281] SyS_ioctl+0x8f/0xc0 [ 57.184287] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 57.184289] RIP: 0033:0x435369 [ 57.184291] RSP: 002b:00007ffe1a3ee238 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 57.184294] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 57.184295] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000032e [ 57.184297] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 57.184298] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 57.184300] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 57.357150] active_anon:3117 inactive_anon:41 isolated_anon:0 [ 57.357150] active_file:68 inactive_file:40 isolated_file:2 [ 57.357150] unevictable:0 dirty:0 writeback:0 unstable:0 [ 57.357150] slab_reclaimable:53722 slab_unreclaimable:329897 [ 57.357150] mapped:46 shmem:76 pagetables:299 bounce:0 [ 57.357150] free:17632 free_pcp:0 free_cma:0 [ 57.360209] Node 0 active_anon:6884kB inactive_anon:68kB active_file:44kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:148kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 57.362739] Node 1 active_anon:5584kB inactive_anon:96kB active_file:228kB inactive_file:132kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:168kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 57.365235] Node 0 DMA free:4088kB min:640kB low:800kB high:960kB active_anon:52kB 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 [ 57.367663] lowmem_reserve[]: 0 886 886 886 [ 57.368071] Node 0 DMA32 free:36292kB min:36536kB low:45668kB high:54800kB active_anon:6832kB inactive_anon:68kB active_file:0kB inactive_file:128kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2720kB pagetables:560kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 57.371443] lowmem_reserve[]: 0 0 0 0 [ 57.371812] Node 1 DMA32 free:30148kB min:30404kB low:38004kB high:45604kB active_anon:5584kB inactive_anon:96kB active_file:260kB inactive_file:172kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1216kB pagetables:636kB bounce:0kB free_pcp:68kB local_pcp:0kB free_cma:0kB [ 57.374224] lowmem_reserve[]: 0 0 0 0 [ 57.374526] Node 0 DMA: 6*4kB (UM) 2*8kB (M) 1*16kB (M) 2*32kB (ME) 2*64kB (UE) 2*128kB (ME) 2*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 4088kB [ 57.375536] Node 0 DMA32: 209*4kB (UME) 333*8kB (UME) 174*16kB (UME) 94*32kB (UME) 36*64kB (UME) 9*128kB (M) 5*256kB (UM) 4*512kB (UME) 4*1024kB (UME) 6*2048kB (UME) 1*4096kB (M) = 36556kB [ 57.377101] Node 1 DMA32: 299*4kB (UME) 646*8kB (UME) 633*16kB (UME) 245*32kB (UME) 91*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30156kB [ 57.378478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.379271] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.380063] 196 total pagecache pages [ 57.380406] 0 pages in swap cache [ 57.380728] Swap cache stats: add 0, delete 0, find 0/0 [ 57.381265] Free swap = 0kB [ 57.381557] Total swap = 0kB [ 57.381766] 524186 pages RAM [ 57.382043] 0 pages HighMem/MovableOnly [ 57.382413] 103968 pages reserved [ 57.595309] syzkaller531925: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 57.596106] syzkaller531925 cpuset=/ mems_allowed=0-1 [ 57.596393] CPU: 1 PID: 3077 Comm: syzkaller531925 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 57.596854] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 57.597295] Call Trace: [ 57.597442] dump_stack+0x194/0x257 [ 57.597640] ? arch_local_irq_restore+0x53/0x53 [ 57.597895] ? isolate_lru_page+0x11d0/0x11d0 [ 57.598138] ? _find_next_bit+0xee/0x120 [ 57.598393] warn_alloc+0x1c2/0x2f0 [ 57.598596] ? zone_watermark_ok_safe+0x430/0x430 [ 57.598859] ? mutex_unlock+0xd/0x10 [ 57.599085] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 57.599367] ? warn_alloc+0x2f0/0x2f0 [ 57.599577] ? warn_alloc+0x2f0/0x2f0 [ 57.599800] ? warn_alloc+0x2f0/0x2f0 [ 57.600055] ? misc_open+0x69/0x500 [ 57.600260] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.600542] ? lookup_fast+0x392/0xfa0 [ 57.600758] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.601038] ? misc_open+0x69/0x500 [ 57.601237] ? __mutex_lock+0x16f/0x1870 [ 57.601460] ? should_fail+0x23b/0xa40 [ 57.601672] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.601958] ? fs_reclaim_acquire+0x20/0x20 [ 57.602195] ? lock_downgrade+0x990/0x990 [ 57.602446] ? mutex_lock_io_nested+0x1740/0x1740 [ 57.602879] ? lock_acquire+0x1d5/0x580 [ 57.603669] ? bad_range+0x1e0/0x1e0 [ 57.603993] ? check_same_owner+0x320/0x320 [ 57.604365] ? rcu_note_context_switch+0x710/0x710 [ 57.604789] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 57.605203] ? __might_sleep+0x95/0x190 [ 57.605550] __alloc_pages_nodemask+0x9f7/0xd80 [ 57.605944] ? lock_acquire+0x1d5/0x580 [ 57.606289] ? avc_has_perm_noaudit+0xbe/0x520 [ 57.606687] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.607146] ? __alloc_pages_nodemask+0x855/0xd80 [ 57.607601] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 57.608058] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.608769] ? ____cache_alloc_node+0x173/0x1e0 [ 57.609394] ? lock_acquire+0x1d5/0x580 [ 57.609939] cache_grow_begin+0x86/0x400 [ 57.610484] ? lock_release+0xd70/0xd70 [ 57.610832] fallback_alloc+0x150/0x2b0 [ 57.611193] ____cache_alloc_node+0x1cf/0x1e0 [ 57.611582] kmem_cache_alloc_trace+0x27d/0x750 [ 57.611989] ? lock_downgrade+0x990/0x990 [ 57.612355] kvm_dev_ioctl+0x216/0x1840 [ 57.612702] ? lock_release+0xd70/0xd70 [ 57.613048] ? install_new_memslots+0x420/0x420 [ 57.613458] ? avc_has_extended_perms+0x7fa/0x12c0 [ 57.613884] ? unwind_get_return_address+0x61/0xa0 [ 57.614314] ? avc_ss_reset+0x110/0x110 [ 57.614660] ? putname+0xee/0x130 [ 57.614960] ? save_stack+0xa3/0xd0 [ 57.615276] ? save_stack_trace+0x16/0x20 [ 57.615634] ? save_stack+0x43/0xd0 [ 57.615946] ? kasan_slab_free+0x71/0xc0 [ 57.616294] ? kmem_cache_free+0x77/0x280 [ 57.616653] ? putname+0xee/0x130 [ 57.616952] ? do_sys_open+0x31b/0x6d0 [ 57.617290] ? check_same_owner+0x320/0x320 [ 57.617665] ? rcu_note_context_switch+0x710/0x710 [ 57.618093] ? __might_sleep+0x95/0x190 [ 57.618445] ? check_same_owner+0x320/0x320 [ 57.618824] ? rcu_note_context_switch+0x710/0x710 [ 57.619260] ? install_new_memslots+0x420/0x420 [ 57.619671] do_vfs_ioctl+0x1b1/0x1530 [ 57.620065] ? _cond_resched+0x14/0x30 [ 57.620452] ? ioctl_preallocate+0x2b0/0x2b0 [ 57.621059] ? selinux_capable+0x40/0x40 [ 57.621409] ? putname+0xf3/0x130 [ 57.621716] ? security_file_ioctl+0x7d/0xb0 [ 57.622131] ? security_file_ioctl+0x89/0xb0 [ 57.622553] SyS_ioctl+0x8f/0xc0 [ 57.622903] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 57.623357] RIP: 0033:0x435369 [ 57.623663] RSP: 002b:00007ffe1a3ee238 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 57.624740] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 57.625343] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002ff [ 57.625952] RBP: 6d766b2f7665642f R08: 0000000000000000 R09: 0000000000000000 [ 57.626559] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 57.627223] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 57.632036] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 57.633271] rsyslogd cpuset=/ mems_allowed=0-1 [ 57.633720] CPU: 0 PID: 2957 Comm: rsyslogd Not tainted 4.13.0-rc6-next-20170825+ #9 [ 57.634486] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 57.635277] Call Trace: [ 57.635536] dump_stack+0x194/0x257 [ 57.635895] ? arch_local_irq_restore+0x53/0x53 [ 57.636359] dump_header+0x234/0xa0e [ 57.636728] ? ___ratelimit+0x30d/0x630 [ 57.637120] ? pagefault_out_of_memory+0x152/0x152 [ 57.637605] ? lock_acquire+0x1d5/0x580 [ 57.637995] ? ___ratelimit+0x152/0x630 [ 57.638384] ? avc_has_perm_noaudit+0x37e/0x520 [ 57.638833] ? do_raw_spin_trylock+0x190/0x190 [ 57.639286] ? trace_hardirqs_on+0xd/0x10 [ 57.639736] ? ___ratelimit+0x95/0x630 [ 57.640107] ? idr_get_free+0xff0/0xff0 [ 57.640485] ? lock_downgrade+0x990/0x990 [ 57.640880] ? cred_has_capability+0x1a0/0x3d0 [ 57.641320] oom_kill_process+0x86d/0x13d0 [ 57.641728] ? lock_release+0xd70/0xd70 [ 57.642106] ? lock_downgrade+0x990/0x990 [ 57.642506] ? oom_evaluate_task+0x480/0x480 [ 57.642935] ? security_capable_noaudit+0x8b/0xc0 [ 57.643372] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 57.643807] ? has_capability+0x30/0x30 [ 57.644185] ? lock_downgrade+0x990/0x990 [ 57.644575] ? has_capability_noaudit+0x24/0x30 [ 57.644994] ? oom_badness+0xdf/0xb80 [ 57.645342] ? find_lock_task_mm+0x460/0x460 [ 57.645762] ? lock_release+0xd70/0xd70 [ 57.646701] ? out_of_memory+0xaaa/0x11d0 [ 57.647115] ? lock_downgrade+0x990/0x990 [ 57.647532] ? out_of_memory+0x8c1/0x11d0 [ 57.647938] ? oom_reaper+0x4d0/0x4d0 [ 57.648565] ? lock_release+0xd70/0xd70 [ 57.649240] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 57.650108] ? srcu_init_notifier_head+0x80/0x80 [ 57.650927] ? oom_evaluate_task+0x284/0x480 [ 57.651670] out_of_memory+0x7dd/0x11d0 [ 57.652348] ? trace_hardirqs_on+0xd/0x10 [ 57.653062] ? oom_killer_disable+0x310/0x310 [ 57.653835] ? mutex_trylock+0x23a/0x2d0 [ 57.654535] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 57.655472] ? check_same_owner+0x320/0x320 [ 57.656219] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 57.657113] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.658024] ? warn_alloc+0x2f0/0x2f0 [ 57.658680] ? lock_acquire+0x1d5/0x580 [ 57.659369] ? find_get_pages_tag+0xf40/0xf40 [ 57.660159] ? radix_tree_lookup_slot+0x99/0xe0 [ 57.660966] ? __radix_tree_lookup+0x5e0/0x5e0 [ 57.661756] ? __might_sleep+0x95/0x190 [ 57.662455] ? find_get_entry+0x53c/0x9e0 [ 57.663187] ? find_get_pages_tag+0xf40/0xf40 [ 57.663975] ? lock_downgrade+0x990/0x990 [ 57.664688] ? blk_init_request_from_bio+0x3d0/0x3d0 [ 57.665596] ? __radix_tree_lookup+0x435/0x5e0 [ 57.666415] ? fs_reclaim_acquire+0x20/0x20 [ 57.667075] ? lock_acquire+0x1d5/0x580 [ 57.667414] ? bad_range+0x1e0/0x1e0 [ 57.667965] ? check_same_owner+0x320/0x320 [ 57.668371] ? __page_cache_alloc+0x165/0x4d0 [ 57.668724] ? __might_sleep+0x95/0x190 [ 57.668978] __alloc_pages_nodemask+0x9f7/0xd80 [ 57.669274] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.669597] ? add_to_page_cache_lru+0x510/0x510 [ 57.669906] ? read_cache_pages+0x9a0/0x9a0 [ 57.670278] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.670701] alloc_pages_current+0xb6/0x1e0 [ 57.670992] __page_cache_alloc+0x358/0x4d0 [ 57.671270] ? filemap_map_pages+0x919/0x15d0 [ 57.671562] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 57.672074] filemap_fault+0xf32/0x1d30 [ 57.672463] ? __lock_page_or_retry+0x500/0x500 [ 57.672795] ? filemap_map_pages+0x942/0x15d0 [ 57.673092] ? lock_downgrade+0x990/0x990 [ 57.673439] ? find_get_entries_tag+0xeb0/0xeb0 [ 57.673868] ? lock_release+0xd70/0xd70 [ 57.674514] ? is_bpf_text_address+0x7b/0x120 [ 57.674921] ? lock_downgrade+0x990/0x990 [ 57.675289] ? bpf_prog_alloc+0x310/0x310 [ 57.675644] ? lock_acquire+0x1d5/0x580 [ 57.675983] ? __bpf_address_lookup+0x2b0/0x2b0 [ 57.676426] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.677160] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.677604] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.678056] ? lock_acquire+0x1d5/0x580 [ 57.678438] ? ext4_filemap_fault+0x7d/0xb0 [ 57.678847] ? lock_downgrade+0x990/0x990 [ 57.679390] ? lock_release+0xd70/0xd70 [ 57.679729] ? check_same_owner+0x320/0x320 [ 57.680106] ? unwind_get_return_address+0x61/0xa0 [ 57.680526] ? rcu_note_context_switch+0x710/0x710 [ 57.680947] ? __might_sleep+0x95/0x190 [ 57.681320] ? down_read+0x96/0x150 [ 57.681671] ? ext4_filemap_fault+0x7d/0xb0 [ 57.682083] ? __down_interruptible+0x6a0/0x6a0 [ 57.682525] ? save_stack_trace+0x16/0x20 [ 57.682936] ? save_stack+0x43/0xd0 [ 57.683283] ? kasan_slab_free+0x71/0xc0 [ 57.683701] ? kfree+0xca/0x250 [ 57.683980] ? do_syslog+0x8b5/0xb80 [ 57.684299] ext4_filemap_fault+0x85/0xb0 [ 57.684654] __do_fault+0xeb/0x30f [ 57.684936] ? do_raw_spin_trylock+0x190/0x190 [ 57.685361] ? pte_offset_kernel+0xc7/0xc7 [ 57.685765] ? lock_downgrade+0x990/0x990 [ 57.686168] ? scnprintf+0x110/0x110 [ 57.686526] ? fsnotify+0xb6f/0x1af0 [ 57.686906] __handle_mm_fault+0x1b9b/0x39c0 [ 57.687339] ? __pmd_alloc+0x4e0/0x4e0 [ 57.687719] ? handle_mm_fault+0x23e/0x860 [ 57.688113] ? lock_downgrade+0x990/0x990 [ 57.688470] ? lock_acquire+0x1d5/0x580 [ 57.689482] ? handle_mm_fault+0xfa/0x860 [ 57.689850] handle_mm_fault+0x3bb/0x860 [ 57.690199] ? down_read_trylock+0xdb/0x170 [ 57.690570] ? __handle_mm_fault+0x39c0/0x39c0 [ 57.691012] ? vmacache_find+0x61/0x270 [ 57.691409] ? vmacache_update+0xfe/0x130 [ 57.691781] ? find_vma+0x30/0x150 [ 57.692026] __do_page_fault+0x4f6/0xb60 [ 57.692378] trace_do_page_fault+0x141/0x730 [ 57.692756] ? do_page_fault+0x70/0x70 [ 57.693006] ? rw_verify_area+0xe5/0x2b0 [ 57.693263] ? __fdget_raw+0x20/0x20 [ 57.693506] ? mutex_unlock+0xd/0x10 [ 57.693744] ? debug_locks_off+0x86/0xa0 [ 57.694007] ? lockdep_sys_exit+0x2cb/0x3e0 [ 57.694284] ? prepare_exit_to_usermode+0x1a0/0x2c0 [ 57.694608] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.694935] do_async_page_fault+0x72/0xc0 [ 57.695216] async_page_fault+0x22/0x30 [ 57.695474] RIP: 0033:0x7f75706fddb4 [ 57.695718] RSP: 002b:00007f756f0cce40 EFLAGS: 00010207 [ 57.696059] RAX: 0000000000000fbc RBX: 000000000132a4b0 RCX: 00007f7571b2d1fd [ 57.696520] RDX: 0000000000000fbc RSI: 00007f75709015a0 RDI: 0000000000000000 [ 57.697046] RBP: 0000000000000000 R08: 0000000001315260 R09: 0000000000000000 [ 57.697521] R10: 393378302b6b636f R11: 0000000000000000 R12: 000000000065e420 [ 57.698043] R13: 00007f756f0cd9c0 R14: 00007f7572172040 R15: 0000000000000003 [ 57.698548] Mem-Info: [ 57.701684] active_anon:3117 inactive_anon:41 isolated_anon:0 [ 57.701684] active_file:35 inactive_file:0 isolated_file:0 [ 57.701684] unevictable:0 dirty:0 writeback:0 unstable:0 [ 57.701684] slab_reclaimable:53721 slab_unreclaimable:329858 [ 57.701684] mapped:21 shmem:76 pagetables:299 bounce:0 [ 57.701684] free:17661 free_pcp:22 free_cma:0 [ 57.704454] Node 0 active_anon:6880kB inactive_anon:68kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:148kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 57.707994] Node 1 active_anon:5588kB inactive_anon:96kB active_file:108kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 57.710904] Node 0 DMA free:4088kB min:640kB low:800kB high:960kB active_anon:52kB 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 [ 57.713011] lowmem_reserve[]: 0 886 886 886 [ 57.713418] Node 0 DMA32 free:36312kB min:36536kB low:45668kB high:54800kB active_anon:6828kB inactive_anon:68kB active_file:0kB inactive_file:124kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2720kB pagetables:556kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 57.715700] lowmem_reserve[]: 0 0 0 0 [ 57.716081] Node 1 DMA32 free:30244kB min:30404kB low:38004kB high:45604kB active_anon:5588kB inactive_anon:96kB active_file:152kB inactive_file:92kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1216kB pagetables:640kB bounce:0kB free_pcp:88kB local_pcp:0kB free_cma:0kB [ 57.718702] lowmem_reserve[]: 0 0 0 0 [ 57.719095] Node 0 DMA: 6*4kB (UM) 2*8kB (M) 1*16kB (M) 2*32kB (ME) 2*64kB (UE) 2*128kB (ME) 2*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 4088kB [ 57.720608] Node 0 DMA32: 211*4kB (UME) 333*8kB (UME) 174*16kB (UME) 94*32kB (UME) 36*64kB (UME) 9*128kB (M) 5*256kB (UM) 4*512kB (UME) 4*1024kB (UME) 6*2048kB (UME) 1*4096kB (M) = 36564kB [ 57.722263] Node 1 DMA32: 361*4kB (UME) 650*8kB (UME) 636*16kB (UME) 245*32kB (UME) 91*64kB (UME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30484kB [ 57.723677] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.724525] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.725342] 158 total pagecache pages [ 57.725689] 0 pages in swap cache [ 57.726032] Swap cache stats: add 0, delete 0, find 0/0 [ 57.726549] Free swap = 0kB [ 57.726849] Total swap = 0kB [ 57.727169] 524186 pages RAM [ 57.727483] 0 pages HighMem/MovableOnly [ 57.727872] 103968 pages reserved [ 57.728222] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 57.729107] [ 1526] 0 1526 7196 1978 20 3 0 -1000 udevd [ 57.729947] [ 2953] 0 2953 30616 167 24 3 0 0 rsyslogd [ 57.730857] [ 2989] 0 2989 4725 48 15 3 0 0 cron [ 57.731694] [ 3015] 0 3015 12490 153 29 3 0 -1000 sshd [ 57.732817] [ 3039] 0 3039 3694 39 13 3 0 0 getty [ 57.733662] [ 3040] 0 3040 3694 40 12 3 0 0 getty [ 57.734450] [ 3041] 0 3041 3694 39 13 3 0 0 getty [ 57.735246] [ 3042] 0 3042 3694 40 13 3 0 0 getty [ 57.736100] [ 3043] 0 3043 3694 41 12 3 0 0 getty [ 57.736949] [ 3044] 0 3044 3694 42 13 3 0 0 getty [ 57.737721] [ 3045] 0 3045 3649 40 13 3 0 0 getty [ 57.738437] [ 3048] 0 3048 5381 161 15 3 0 -1000 udevd [ 57.739188] [ 3049] 0 3049 5381 162 15 3 0 -1000 udevd [ 57.742300] [ 3069] 0 3069 17820 197 41 3 0 0 sshd [ 57.743075] [ 3071] 0 3071 271 1 4 2 0 0 syzkaller531925 [ 57.743874] [ 3072] 0 3072 4341 11 4 2 0 0 syzkaller531925 [ 57.744695] [ 3073] 0 3073 4341 11 5 2 0 0 syzkaller531925 [ 57.745430] [ 3074] 0 3074 4341 11 5 2 0 0 syzkaller531925 [ 57.746176] [ 3075] 0 3075 4341 11 4 2 0 0 syzkaller531925 [ 57.746961] [ 3076] 0 3076 4341 11 4 2 0 0 syzkaller531925 [ 57.747873] [ 3077] 0 3077 4341 11 5 2 0 0 syzkaller531925 [ 57.748730] [ 3078] 0 3078 4341 11 4 2 0 0 syzkaller531925 [ 57.749520] [ 3079] 0 3079 4341 11 4 2 0 0 syzkaller531925 [ 57.750398] Out of memory: Kill process 3069 (sshd) score 0 or sacrifice child [ 57.751072] Killed process 3071 (syzkaller531925) total-vm:1084kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 57.758546] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 57.759645] rsyslogd cpuset=/ mems_allowed=0-1 [ 57.760059] CPU: 0 PID: 2957 Comm: rsyslogd Not tainted 4.13.0-rc6-next-20170825+ #9 [ 57.760731] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 57.761454] Call Trace: [ 57.761684] dump_stack+0x194/0x257 [ 57.761997] ? arch_local_irq_restore+0x53/0x53 [ 57.762403] dump_header+0x234/0xa0e [ 57.762725] ? ___ratelimit+0x30d/0x630 [ 57.763074] ? pagefault_out_of_memory+0x152/0x152 [ 57.763501] ? lock_acquire+0x1d5/0x580 [ 57.763843] ? ___ratelimit+0x152/0x630 [ 57.764184] ? avc_has_perm_noaudit+0x37e/0x520 [ 57.764588] ? do_raw_spin_trylock+0x190/0x190 [ 57.764987] ? trace_hardirqs_on+0xd/0x10 [ 57.765345] ? ___ratelimit+0x95/0x630 [ 57.765679] ? idr_get_free+0xff0/0xff0 [ 57.766021] ? lock_downgrade+0x990/0x990 [ 57.766380] ? cred_has_capability+0x1a0/0x3d0 [ 57.766776] oom_kill_process+0x86d/0x13d0 [ 57.767141] ? lock_release+0xd70/0xd70 [ 57.767595] ? lock_downgrade+0x990/0x990 [ 57.767987] ? oom_evaluate_task+0x480/0x480 [ 57.768402] ? security_capable_noaudit+0x8b/0xc0 [ 57.768858] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 57.769333] ? has_capability+0x30/0x30 [ 57.769706] ? lock_downgrade+0x990/0x990 [ 57.770076] ? has_capability_noaudit+0x24/0x30 [ 57.770510] ? oom_badness+0xdf/0xb80 [ 57.770869] ? find_lock_task_mm+0x460/0x460 [ 57.771289] ? lock_release+0xd70/0xd70 [ 57.771666] ? out_of_memory+0xaaa/0x11d0 [ 57.772053] ? lock_downgrade+0x990/0x990 [ 57.772423] ? out_of_memory+0x8c1/0x11d0 [ 57.772772] ? oom_reaper+0x4d0/0x4d0 [ 57.773095] ? lock_release+0xd70/0xd70 [ 57.773430] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 57.774231] ? srcu_init_notifier_head+0x80/0x80 [ 57.774583] ? oom_evaluate_task+0x284/0x480 [ 57.774891] out_of_memory+0x7dd/0x11d0 [ 57.775152] ? trace_hardirqs_on+0xd/0x10 [ 57.775500] ? oom_killer_disable+0x310/0x310 [ 57.775794] ? mutex_trylock+0x23a/0x2d0 [ 57.776146] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 57.776610] ? check_same_owner+0x320/0x320 [ 57.776986] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 57.777409] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.777865] ? warn_alloc+0x2f0/0x2f0 [ 57.778193] ? lock_acquire+0x1d5/0x580 [ 57.778533] ? find_get_pages_tag+0xf40/0xf40 [ 57.778934] ? radix_tree_lookup_slot+0x99/0xe0 [ 57.779332] ? __radix_tree_lookup+0x5e0/0x5e0 [ 57.779724] ? __might_sleep+0x95/0x190 [ 57.780067] ? find_get_entry+0x53c/0x9e0 [ 57.780428] ? find_get_pages_tag+0xf40/0xf40 [ 57.780814] ? lock_downgrade+0x990/0x990 [ 57.781170] ? blk_init_request_from_bio+0x3d0/0x3d0 [ 57.781609] ? __radix_tree_lookup+0x435/0x5e0 [ 57.782001] ? fs_reclaim_acquire+0x20/0x20 [ 57.782381] ? lock_acquire+0x1d5/0x580 [ 57.782724] ? bad_range+0x1e0/0x1e0 [ 57.783054] ? check_same_owner+0x320/0x320 [ 57.783425] ? __page_cache_alloc+0x165/0x4d0 [ 57.783819] ? __might_sleep+0x95/0x190 [ 57.784162] __alloc_pages_nodemask+0x9f7/0xd80 [ 57.784564] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 57.784993] ? add_to_page_cache_lru+0x510/0x510 [ 57.785401] ? read_cache_pages+0x9a0/0x9a0 [ 57.785767] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.786210] alloc_pages_current+0xb6/0x1e0 [ 57.786575] __page_cache_alloc+0x358/0x4d0 [ 57.786947] ? filemap_map_pages+0x919/0x15d0 [ 57.787324] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 57.787939] filemap_fault+0xf32/0x1d30 [ 57.788276] ? __lock_page_or_retry+0x500/0x500 [ 57.788668] ? filemap_map_pages+0x942/0x15d0 [ 57.789044] ? lock_downgrade+0x990/0x990 [ 57.789394] ? find_get_entries_tag+0xeb0/0xeb0 [ 57.789787] ? lock_release+0xd70/0xd70 [ 57.790121] ? is_bpf_text_address+0x7b/0x120 [ 57.790499] ? lock_downgrade+0x990/0x990 [ 57.790855] ? bpf_prog_alloc+0x310/0x310 [ 57.791207] ? lock_acquire+0x1d5/0x580 [ 57.791541] ? __bpf_address_lookup+0x2b0/0x2b0 [ 57.791936] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.792371] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.792804] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.793240] ? lock_acquire+0x1d5/0x580 [ 57.793568] ? ext4_filemap_fault+0x7d/0xb0 [ 57.793934] ? lock_downgrade+0x990/0x990 [ 57.794282] ? lock_release+0xd70/0xd70 [ 57.794614] ? check_same_owner+0x320/0x320 [ 57.795251] ? unwind_get_return_address+0x61/0xa0 [ 57.795738] ? rcu_note_context_switch+0x710/0x710 [ 57.796180] ? __might_sleep+0x95/0x190 [ 57.796518] ? down_read+0x96/0x150 [ 57.796824] ? ext4_filemap_fault+0x7d/0xb0 [ 57.797191] ? __down_interruptible+0x6a0/0x6a0 [ 57.797584] ? save_stack_trace+0x16/0x20 [ 57.797932] ? save_stack+0x43/0xd0 [ 57.798237] ? kasan_slab_free+0x71/0xc0 [ 57.798581] ? kfree+0xca/0x250 [ 57.798858] ? do_syslog+0x8b5/0xb80 [ 57.799208] ext4_filemap_fault+0x85/0xb0 [ 57.799556] __do_fault+0xeb/0x30f [ 57.799854] ? do_raw_spin_trylock+0x190/0x190 [ 57.800239] ? pte_offset_kernel+0xc7/0xc7 [ 57.800596] ? lock_downgrade+0x990/0x990 [ 57.800950] ? scnprintf+0x110/0x110 [ 57.801268] ? fsnotify+0xb6f/0x1af0 [ 57.801624] __handle_mm_fault+0x1b9b/0x39c0 [ 57.802017] ? __pmd_alloc+0x4e0/0x4e0 [ 57.802337] ? handle_mm_fault+0x23e/0x860 [ 57.802703] ? lock_downgrade+0x990/0x990 [ 57.803069] ? lock_acquire+0x1d5/0x580 [ 57.803410] ? handle_mm_fault+0xfa/0x860 [ 57.803777] handle_mm_fault+0x3bb/0x860 [ 57.804128] ? down_read_trylock+0xdb/0x170 [ 57.804498] ? __handle_mm_fault+0x39c0/0x39c0 [ 57.804893] ? vmacache_find+0x61/0x270 [ 57.805235] ? vmacache_update+0xfe/0x130 [ 57.805595] ? find_vma+0x30/0x150 [ 57.805903] __do_page_fault+0x4f6/0xb60 [ 57.806256] trace_do_page_fault+0x141/0x730 [ 57.806637] ? do_page_fault+0x70/0x70 [ 57.806976] ? rw_verify_area+0xe5/0x2b0 [ 57.807323] ? __fdget_raw+0x20/0x20 [ 57.807642] ? mutex_unlock+0xd/0x10 [ 57.807957] ? debug_locks_off+0x86/0xa0 [ 57.808308] ? lockdep_sys_exit+0x2cb/0x3e0 [ 57.808680] ? prepare_exit_to_usermode+0x1a0/0x2c0 [ 57.809113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.809529] do_async_page_fault+0x72/0xc0 [ 57.809894] async_page_fault+0x22/0x30 [ 57.810236] RIP: 0033:0x7f75706fddb4 [ 57.810553] RSP: 002b:00007f756f0cce40 EFLAGS: 00010207 [ 57.811018] RAX: 0000000000000fbc RBX: 000000000132a4b0 RCX: 00007f7571b2d1fd [ 57.811632] RDX: 0000000000000fbc RSI: 00007f75709015a0 RDI: 0000000000000000 [ 57.812247] RBP: 0000000000000000 R08: 0000000001315260 R09: 0000000000000000 [ 57.812862] R10: 393378302b6b636f R11: 0000000000000000 R12: 000000000065e420 [ 57.813481] R13: 00007f756f0cd9c0 R14: 00007f7572172040 R15: 0000000000000003 [ 57.814165] Mem-Info: [ 57.821275] active_anon:3118 inactive_anon:41 isolated_anon:0 [ 57.821275] active_file:37 inactive_file:20 isolated_file:25 [ 57.821275] unevictable:0 dirty:0 writeback:0 unstable:0 [ 57.821275] slab_reclaimable:53745 slab_unreclaimable:329797 [ 57.821275] mapped:2 shmem:76 pagetables:296 bounce:0 [ 57.821275] free:17645 free_pcp:203 free_cma:0 [ 57.824610] Node 0 active_anon:6852kB inactive_anon:68kB active_file:32kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:148kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 57.827117] Node 1 active_anon:5620kB inactive_anon:96kB active_file:176kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:0kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 57.828716] Node 0 DMA free:4088kB min:640kB low:800kB high:960kB active_anon:52kB 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 [ 57.830346] lowmem_reserve[]: 0 886 886 886 [ 57.830633] Node 0 DMA32 free:36468kB min:36536kB low:45668kB high:54800kB active_anon:6800kB inactive_anon:68kB active_file:32kB inactive_file:32kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2720kB pagetables:536kB bounce:0kB free_pcp:76kB local_pcp:0kB free_cma:0kB [ 57.832972] lowmem_reserve[]: 0 0 0 0 [ 57.833327] Node 1 DMA32 free:30464kB min:30404kB low:38004kB high:45604kB active_anon:5620kB inactive_anon:96kB active_file:48kB inactive_file:116kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1184kB pagetables:648kB bounce:0kB free_pcp:28kB local_pcp:0kB free_cma:0kB [ 57.835548] lowmem_reserve[]: 0 0 0 0 [ 57.835794] Node 0 DMA: 6*4kB (UM) 2*8kB (M) 1*16kB (M) 2*32kB (ME) 2*64kB (UE) 2*128kB (ME) 2*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 4088kB [ 57.836729] Node 0 DMA32: 205*4kB (UME) 334*8kB (UME) 175*16kB (UME) 93*32kB (UME) 37*64kB (UME) 10*128kB (UM) 4*256kB (M) 4*512kB (UME) 4*1024kB (UME) 6*2048kB (UME) 1*4096kB (M) = 36468kB [ 57.837841] Node 1 DMA32: 355*4kB (UME) 660*8kB (UME) 638*16kB (UME) 246*32kB (UME) 91*64kB (UME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30604kB [ 57.841485] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.842288] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.843056] 171 total pagecache pages [ 57.843296] 0 pages in swap cache [ 57.843513] Swap cache stats: add 0, delete 0, find 0/0 [ 57.843841] Free swap = 0kB [ 57.844038] Total swap = 0kB [ 57.844229] 524186 pages RAM [ 57.844422] 0 pages HighMem/MovableOnly [ 57.844672] 103968 pages reserved [ 57.844896] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 57.845851] [ 1526] 0 1526 7196 1978 20 3 0 -1000 udevd [ 57.846814] [ 2953] 0 2953 30616 167 24 3 0 0 rsyslogd [ 57.847762] [ 2989] 0 2989 4725 48 15 3 0 0 cron [ 57.848592] [ 3015] 0 3015 12490 153 29 3 0 -1000 sshd [ 57.849355] [ 3039] 0 3039 3694 39 13 3 0 0 getty [ 57.850123] [ 3040] 0 3040 3694 40 12 3 0 0 getty [ 57.850994] [ 3041] 0 3041 3694 39 13 3 0 0 getty [ 57.851766] [ 3042] 0 3042 3694 40 13 3 0 0 getty [ 57.852545] [ 3043] 0 3043 3694 41 12 3 0 0 getty [ 57.853322] [ 3044] 0 3044 3694 42 13 3 0 0 getty [ 57.854097] [ 3045] 0 3045 3649 40 13 3 0 0 getty [ 57.854863] [ 3048] 0 3048 5381 161 15 3 0 -1000 udevd [ 57.855457] [ 3049] 0 3049 5381 162 15 3 0 -1000 udevd [ 57.856019] [ 3069] 0 3069 17820 197 41 3 0 0 sshd [ 57.856551] [ 3072] 0 3072 4341 11 5 2 0 0 syzkaller531925 [ 57.857183] [ 3073] 0 3073 4341 11 5 2 0 0 syzkaller531925 [ 57.857769] [ 3074] 0 3074 4341 11 5 2 0 0 syzkaller531925 [ 57.858380] [ 3075] 0 3075 4341 11 5 2 0 0 syzkaller531925 [ 57.859031] [ 3076] 0 3076 4341 11 4 2 0 0 syzkaller531925 [ 57.859908] [ 3077] 0 3077 4341 11 5 2 0 0 syzkaller531925 [ 57.860547] [ 3078] 0 3078 4341 11 4 2 0 0 syzkaller531925 [ 57.861166] [ 3079] 0 3079 4341 11 5 2 0 0 syzkaller531925 [ 57.862097] Out of memory: Kill process 3069 (sshd) score 0 or sacrifice child [ 57.862865] Killed process 3069 (sshd) total-vm:71280kB, anon-rss:784kB, file-rss:0kB, shmem-rss:4kB [ 57.869734] oom_reaper: reaped process 3069 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB Connection to localhost closed by remote host. [ 57.874451] sshd (3069) used greatest stack depth: 9720 bytes left [ 57.979772] syzkaller531925: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 57.986960] syzkaller531925 cpuset=/ mems_allowed=0-1 [ 57.988268] CPU: 0 PID: 3072 Comm: syzkaller531925 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 57.989148] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 57.990001] Call Trace: [ 57.990283] dump_stack+0x194/0x257 [ 57.990660] ? arch_local_irq_restore+0x53/0x53 [ 57.991174] warn_alloc+0x1c2/0x2f0 [ 57.991542] ? zone_watermark_ok_safe+0x430/0x430 [ 57.992029] ? mutex_unlock+0xd/0x10 [ 57.992416] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 57.992929] ? warn_alloc+0x2f0/0x2f0 [ 57.993313] ? warn_alloc+0x2f0/0x2f0 [ 57.993696] ? warn_alloc+0x2f0/0x2f0 [ 57.994078] ? misc_open+0x69/0x500 [ 57.994450] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.995000] ? lookup_fast+0x392/0xfa0 [ 57.995517] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.996035] ? misc_open+0x69/0x500 [ 57.996400] ? __mutex_lock+0x16f/0x1870 [ 57.996834] ? should_fail+0x23b/0xa40 [ 57.997237] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.997765] ? fs_reclaim_acquire+0x20/0x20 [ 57.998232] ? lock_downgrade+0x990/0x990 [ 57.998645] ? mutex_lock_io_nested+0x1740/0x1740 [ 57.999157] ? lock_acquire+0x1d5/0x580 [ 57.999557] ? bad_range+0x1e0/0x1e0 [ 57.999949] ? check_same_owner+0x320/0x320 [ 58.000386] ? rcu_note_context_switch+0x710/0x710 [ 58.000879] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 58.001542] ? __might_sleep+0x95/0x190 [ 58.001947] __alloc_pages_nodemask+0x9f7/0xd80 [ 58.002413] ? lock_acquire+0x1d5/0x580 [ 58.002824] ? avc_has_perm_noaudit+0xbe/0x520 [ 58.003305] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 58.003828] ? __alloc_pages_nodemask+0x855/0xd80 [ 58.004324] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 58.004834] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 58.005354] ? ____cache_alloc_node+0x173/0x1e0 [ 58.005842] ? lock_acquire+0x1d5/0x580 [ 58.006260] cache_grow_begin+0x86/0x400 [ 58.006685] ? lock_release+0xd70/0xd70 [ 58.007107] fallback_alloc+0x150/0x2b0 [ 58.007517] ____cache_alloc_node+0x1cf/0x1e0 [ 58.007965] kmem_cache_alloc_trace+0x27d/0x750 [ 58.008431] ? lock_downgrade+0x990/0x990 [ 58.009378] kvm_dev_ioctl+0x216/0x1840 [ 58.009750] ? lock_release+0xd70/0xd70 [ 58.010130] ? install_new_memslots+0x420/0x420 [ 58.010588] ? avc_has_extended_perms+0x7fa/0x12c0 [ 58.011102] ? unwind_get_return_address+0x61/0xa0 [ 58.011565] ? avc_ss_reset+0x110/0x110 [ 58.011949] ? putname+0xee/0x130 [ 58.012247] ? save_stack+0xa3/0xd0 [ 58.012575] ? save_stack_trace+0x16/0x20 [ 58.012965] ? save_stack+0x43/0xd0 [ 58.013305] ? kasan_slab_free+0x71/0xc0 [ 58.013698] ? kmem_cache_free+0x77/0x280 [ 58.014097] ? putname+0xee/0x130 [ 58.014434] ? do_sys_open+0x31b/0x6d0 [ 58.014812] ? check_same_owner+0x320/0x320 [ 58.015217] ? rcu_note_context_switch+0x710/0x710 [ 58.015693] ? __might_sleep+0x95/0x190 [ 58.016086] ? check_same_owner+0x320/0x320 [ 58.016494] ? rcu_note_context_switch+0x710/0x710 [ 58.016961] ? install_new_memslots+0x420/0x420 [ 58.017442] do_vfs_ioctl+0x1b1/0x1530 [ 58.017819] ? _cond_resched+0x14/0x30 [ 58.018199] ? ioctl_preallocate+0x2b0/0x2b0 [ 58.018605] ? selinux_capable+0x40/0x40 [ 58.019012] ? putname+0xf3/0x130 [ 58.019354] ? security_file_ioctl+0x7d/0xb0 [ 58.019782] ? security_file_ioctl+0x89/0xb0 [ 58.020196] SyS_ioctl+0x8f/0xc0 [ 58.020519] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 58.020964] RIP: 0033:0x435369 [ 58.021259] RSP: 002b:00007ffe1a3ee238 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 58.021951] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 58.022664] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000033b [ 58.023299] RBP: 6d766b2f7665642f R08: 0000000000000000 R09: 0000000000000000 [ 58.024052] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 58.024715] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000