executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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: [ 49.609578] syzkaller375475: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 49.610874] syzkaller375475 cpuset=/ mems_allowed=0-1 [ 49.611693] CPU: 1 PID: 3059 Comm: syzkaller375475 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 49.612585] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 49.613873] Call Trace: [ 49.614150] dump_stack+0x194/0x257 [ 49.614530] ? arch_local_irq_restore+0x53/0x53 [ 49.615016] ? isolate_lru_page+0x11d0/0x11d0 [ 49.615508] warn_alloc+0x1c2/0x2f0 [ 49.615884] ? zone_watermark_ok_safe+0x430/0x430 [ 49.616405] ? rcu_note_context_switch+0x710/0x710 [ 49.616933] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 49.617510] ? warn_alloc+0x2f0/0x2f0 [ 49.617909] ? SyS_ioctl+0x8f/0xc0 [ 49.618283] ? warn_alloc+0x2f0/0x2f0 [ 49.618711] ? save_stack_trace+0x16/0x20 [ 49.619169] ? check_noncircular+0x20/0x20 [ 49.619647] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 49.620211] ? find_held_lock+0x39/0x1d0 [ 49.620664] ? lock_downgrade+0x990/0x990 [ 49.621117] ? check_same_owner+0x320/0x320 [ 49.621616] ? rcu_note_context_switch+0x710/0x710 [ 49.622123] ? check_noncircular+0x20/0x20 [ 49.622580] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 49.623261] ? __might_sleep+0x95/0x190 [ 49.623930] __alloc_pages_nodemask+0x9f7/0xd80 [ 49.624846] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 49.625838] ? __alloc_pages_nodemask+0xae5/0xd80 [ 49.626778] ? find_held_lock+0x39/0x1d0 [ 49.627604] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 49.628634] ? cache_grow_begin+0x31b/0x400 [ 49.629219] cache_grow_begin+0x86/0x400 [ 49.630023] fallback_alloc+0x150/0x2b0 [ 49.630847] ____cache_alloc_node+0x1cf/0x1e0 [ 49.631761] kmem_cache_alloc_trace+0x27d/0x750 [ 49.632686] ? lock_downgrade+0x990/0x990 [ 49.633517] kvm_dev_ioctl+0x216/0x1840 [ 49.634312] ? lock_release+0xd70/0xd70 [ 49.636352] ? install_new_memslots+0x420/0x420 [ 49.637341] ? avc_has_extended_perms+0x7fa/0x12c0 [ 49.638336] ? unwind_get_return_address+0x61/0xa0 [ 49.639306] ? avc_ss_reset+0x110/0x110 [ 49.639784] ? putname+0xee/0x130 [ 49.640161] ? save_stack+0xa3/0xd0 [ 49.640877] ? save_stack_trace+0x16/0x20 [ 49.641374] ? save_stack+0x43/0xd0 [ 49.641767] ? kasan_slab_free+0x71/0xc0 [ 49.642208] ? kmem_cache_free+0x77/0x280 [ 49.642666] ? putname+0xee/0x130 [ 49.643057] ? do_sys_open+0x31b/0x6d0 [ 49.643506] ? __lock_is_held+0xbc/0x140 [ 49.643986] ? check_same_owner+0x320/0x320 [ 49.644478] ? rcu_note_context_switch+0x710/0x710 [ 49.645021] ? install_new_memslots+0x420/0x420 [ 49.645536] do_vfs_ioctl+0x1b1/0x1530 [ 49.645959] ? _cond_resched+0x14/0x30 [ 49.646739] ? ioctl_preallocate+0x2b0/0x2b0 [ 49.647286] ? selinux_capable+0x40/0x40 [ 49.648123] ? putname+0xf3/0x130 [ 49.648574] ? security_file_ioctl+0x7d/0xb0 [ 49.649485] ? security_file_ioctl+0x89/0xb0 [ 49.649980] SyS_ioctl+0x8f/0xc0 [ 49.650373] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 49.650893] RIP: 0033:0x435c19 [ 49.651249] RSP: 002b:00007ffe6c329c98 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 49.652103] RAX: ffffffffffffffda RBX: 00000000006c9aa0 RCX: 0000000000435c19 [ 49.652898] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002ad [ 49.653700] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 49.654478] R10: 0000000000000000 R11: 0000000000000207 R12: fffffffffffeffff [ 49.656694] R13: 6d766b2f7665642f R14: 0000000000401fb0 R15: 0000000000000000 [ 49.657563] syzkaller375475: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 49.657602] Mem-Info: [ 49.657617] active_anon:3456 inactive_anon:42 isolated_anon:0 [ 49.657617] active_file:48 inactive_file:0 isolated_file:0 [ 49.657617] unevictable:0 dirty:0 writeback:0 unstable:0 [ 49.657617] slab_reclaimable:47834 slab_unreclaimable:314711 [ 49.657617] mapped:8 shmem:74 pagetables:336 bounce:0 [ 49.657617] free:17751 free_pcp:0 free_cma:0 [ 49.657629] Node 0 active_anon:9348kB inactive_anon:60kB active_file:148kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:100kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 49.657641] Node 1 active_anon:4476kB inactive_anon:108kB active_file:44kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:24kB dirty:0kB writeback:0kB shmem:196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 49.657645] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:24kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:736kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.657661] lowmem_reserve[]: 0 886 886 886 [ 49.657682] Node 0 DMA32 free:36508kB min:36536kB low:45668kB high:54800kB active_anon:9324kB inactive_anon:60kB active_file:148kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:52032kB pagetables:672kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.657698] lowmem_reserve[]: 0 0 0 0 [ 49.657718] Node 1 DMA32 free:30312kB min:30404kB low:38004kB high:45604kB active_anon:4476kB inactive_anon:108kB active_file:56kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:37376kB pagetables:672kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.657734] lowmem_reserve[]: 0 0 0 0 [ 49.657754] Node 0 DMA: 10*4kB (UM) 4*8kB (ME) 1*16kB (E) 0*32kB 2*64kB (ME) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4184kB [ 49.657838] Node 0 DMA32: 287*4kB (UME) 215*8kB (UME) 97*16kB (UME) 59*32kB (ME) 26*64kB (UME) 11*128kB (M) 6*256kB (UME) 2*512kB (ME) 2*1024kB (ME) 3*2048kB (UM) 4*4096kB (M) = 36516kB [ 49.657931] Node 1 DMA32: 292*4kB (UM) 304*8kB (UME) 171*16kB (UME) 85*32kB (UME) 115*64kB (UM) 12*128kB (M) 5*256kB (UME) 4*512kB (UM) 1*1024kB (M) 2*2048kB (UM) 1*4096kB (M) = 30496kB [ 49.658049] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 49.658055] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 49.658059] 144 total pagecache pages [ 49.658067] 0 pages in swap cache [ 49.658072] Swap cache stats: add 0, delete 0, find 0/0 [ 49.658076] Free swap = 0kB [ 49.658079] Total swap = 0kB [ 49.658083] 524186 pages RAM [ 49.658087] 0 pages HighMem/MovableOnly [ 49.658091] 103968 pages reserved [ 49.661452] syzkaller375475 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 49.661471] syzkaller375475 cpuset=/ mems_allowed=0-1 [ 49.661497] CPU: 3 PID: 3080 Comm: syzkaller375475 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 49.661502] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 49.661506] Call Trace: [ 49.661516] dump_stack+0x194/0x257 [ 49.661530] ? arch_local_irq_restore+0x53/0x53 [ 49.661543] ? check_noncircular+0x20/0x20 [ 49.661562] dump_header+0x234/0xa0e [ 49.661588] ? pagefault_out_of_memory+0x152/0x152 [ 49.661605] ? lock_acquire+0x1d5/0x580 [ 49.661613] ? ___ratelimit+0x152/0x630 [ 49.661632] ? do_raw_spin_trylock+0x190/0x190 [ 49.661648] ? mark_held_locks+0xb2/0x100 [ 49.661660] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 49.661672] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.661682] ? trace_hardirqs_on+0xd/0x10 [ 49.661695] ? ___ratelimit+0x95/0x630 [ 49.661706] ? idr_get_free+0xff0/0xff0 [ 49.661712] ? lock_downgrade+0x990/0x990 [ 49.661724] ? cred_has_capability+0x1a0/0x3d0 [ 49.661743] oom_kill_process+0x86d/0x13d0 [ 49.661758] ? lock_release+0xd70/0xd70 [ 49.661779] ? oom_evaluate_task+0x480/0x480 [ 49.661787] ? print_usage_bug+0x480/0x480 [ 49.661797] ? security_capable_noaudit+0x8b/0xc0 [ 49.661813] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 49.661822] ? check_noncircular+0x20/0x20 [ 49.661829] ? has_capability+0x30/0x30 [ 49.661854] ? has_capability_noaudit+0x24/0x30 [ 49.661864] ? oom_badness+0xdf/0xb80 [ 49.661883] ? find_held_lock+0x39/0x1d0 [ 49.661908] ? lock_downgrade+0x990/0x990 [ 49.661916] ? mark_held_locks+0xb2/0x100 [ 49.661927] ? retint_kernel+0x10/0x10 [ 49.661936] ? oom_unkillable_task+0x33d/0x4c0 [ 49.661944] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.661955] ? oom_reaper+0x4d0/0x4d0 [ 49.661974] ? retint_kernel+0x10/0x10 [ 49.661995] ? oom_evaluate_task+0x284/0x480 [ 49.662014] out_of_memory+0x7dd/0x11d0 [ 49.662021] ? trace_hardirqs_on+0xd/0x10 [ 49.662041] ? oom_killer_disable+0x310/0x310 [ 49.662048] ? mutex_trylock+0x23a/0x2d0 [ 49.662062] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 49.662075] ? __alloc_pages_direct_compact+0xc2/0x330 [ 49.662093] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 49.662172] ? warn_alloc+0x2f0/0x2f0 [ 49.662183] ? do_vfs_ioctl+0x1b1/0x1530 [ 49.662199] ? warn_alloc+0x2f0/0x2f0 [ 49.662211] ? save_stack_trace+0x16/0x20 [ 49.662235] ? check_noncircular+0x20/0x20 [ 49.662257] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 49.662271] ? find_held_lock+0x39/0x1d0 [ 49.662291] ? find_held_lock+0x39/0x1d0 [ 49.662350] ? check_same_owner+0x320/0x320 [ 49.662373] ? __might_sleep+0x95/0x190 [ 49.662388] __alloc_pages_nodemask+0x9f7/0xd80 [ 49.662406] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 49.662415] ? __alloc_pages_nodemask+0xae5/0xd80 [ 49.662425] ? find_held_lock+0x39/0x1d0 [ 49.662438] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 49.662478] ? cache_grow_begin+0x31b/0x400 [ 49.662497] cache_grow_begin+0x86/0x400 [ 49.662513] fallback_alloc+0x150/0x2b0 [ 49.662535] ____cache_alloc_node+0x1cf/0x1e0 [ 49.662551] kmem_cache_alloc_trace+0x27d/0x750 [ 49.662579] kvm_uevent_notify_change.part.38+0x2ab/0x430 [ 49.662593] kvm_dev_ioctl+0x716/0x1840 [ 49.662614] ? install_new_memslots+0x420/0x420 [ 49.662644] ? avc_has_extended_perms+0x7fa/0x12c0 [ 49.662651] ? unwind_get_return_address+0x61/0xa0 [ 49.662675] ? avc_ss_reset+0x110/0x110 [ 49.662686] ? putname+0xee/0x130 [ 49.662695] ? save_stack+0xa3/0xd0 [ 49.662705] ? save_stack_trace+0x16/0x20 [ 49.662711] ? save_stack+0x43/0xd0 [ 49.662719] ? kmem_cache_free+0x77/0x280 [ 49.662725] ? putname+0xee/0x130 [ 49.662732] ? do_sys_open+0x31b/0x6d0 [ 49.662747] ? __lock_is_held+0xbc/0x140 [ 49.662781] ? check_same_owner+0x320/0x320 [ 49.662809] ? install_new_memslots+0x420/0x420 [ 49.662816] do_vfs_ioctl+0x1b1/0x1530 [ 49.662823] ? _cond_resched+0x14/0x30 [ 49.662839] ? ioctl_preallocate+0x2b0/0x2b0 [ 49.662852] ? selinux_capable+0x40/0x40 [ 49.662863] ? putname+0xf3/0x130 [ 49.662893] ? security_file_ioctl+0x7d/0xb0 [ 49.662900] ? security_file_ioctl+0x89/0xb0 [ 49.662915] SyS_ioctl+0x8f/0xc0 [ 49.662930] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 49.662937] RIP: 0033:0x435c19 [ 49.662942] RSP: 002b:00007ffe6c329c98 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 49.662952] RAX: ffffffffffffffda RBX: 00000000006c9aa0 RCX: 0000000000435c19 [ 49.662957] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000299 [ 49.662962] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 49.662967] R10: 0000000000000000 R11: 0000000000000203 R12: fffffffffffeffff [ 49.662972] R13: 6d766b2f7665642f R14: 0000000000401fb0 R15: 0000000000000000 [ 49.663047] Mem-Info: [ 49.663061] active_anon:3456 inactive_anon:42 isolated_anon:0 [ 49.663061] active_file:57 inactive_file:0 isolated_file:0 [ 49.663061] unevictable:0 dirty:0 writeback:0 unstable:0 [ 49.663061] slab_reclaimable:47834 slab_unreclaimable:314711 [ 49.663061] mapped:8 shmem:74 pagetables:336 bounce:0 [ 49.663061] free:17751 free_pcp:0 free_cma:0 [ 49.663073] Node 0 active_anon:9348kB inactive_anon:60kB active_file:168kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:100kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 49.663085] Node 1 active_anon:4476kB inactive_anon:108kB active_file:60kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:24kB dirty:0kB writeback:0kB shmem:196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 49.663089] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:24kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:736kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.663105] lowmem_reserve[]: 0 886 886 886 [ 49.663126] Node 0 DMA32 free:36508kB min:36536kB low:45668kB high:54800kB active_anon:9324kB inactive_anon:60kB active_file:168kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:52032kB pagetables:672kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.663141] lowmem_reserve[]: 0 0 0 0 [ 49.663162] Node 1 DMA32 free:30312kB min:30404kB low:38004kB high:45604kB active_anon:4476kB inactive_anon:108kB active_file:72kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:37376kB pagetables:672kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 49.663178] lowmem_reserve[]: 0 0 0 0 [ 49.663199] Node 0 DMA: 10*4kB (UM) 4*8kB (ME) 1*16kB (E) 0*32kB 2*64kB (ME) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4184kB [ 49.663291] Node 0 DMA32: 287*4kB (UME) 215*8kB (UME) 97*16kB (UME) 59*32kB (ME) 26*64kB (UME) 11*128kB (M) 6*256kB (UME) 2*512kB (ME) 2*1024kB (ME) 3*2048kB (UM) 4*4096kB (M) = 36516kB [ 49.663388] Node 1 DMA32: 292*4kB (UM) 304*8kB (UME) 171*16kB (UME) 85*32kB (UME) 115*64kB (UM) 12*128kB (M) 5*256kB (UME) 4*512kB (UM) 1*1024kB (M) 2*2048kB (UM) 1*4096kB (M) = 30496kB [ 49.663492] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 49.663498] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 49.663502] 144 total pagecache pages [ 49.663511] 0 pages in swap cache [ 49.663516] Swap cache stats: add 0, delete 0, find 0/0 [ 49.663520] Free swap = 0kB [ 49.663524] Total swap = 0kB [ 49.663528] 524186 pages RAM [ 49.663532] 0 pages HighMem/MovableOnly [ 49.663536] 103968 pages reserved [ 49.663541] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 49.663597] [ 1525] 0 1525 6406 1187 18 3 0 -1000 udevd [ 49.663628] [ 2809] 0 2809 2493 572 8 3 0 0 dhclient [ 49.663640] [ 2937] 0 2937 14240 109 24 3 0 0 rsyslogd [ 49.663652] [ 2974] 0 2974 4725 49 15 3 0 0 cron [ 49.663665] [ 3000] 0 3000 12490 152 29 3 0 -1000 sshd [ 49.663678] [ 3025] 0 3025 3694 41 13 3 0 0 getty [ 49.663690] [ 3026] 0 3026 3694 39 12 3 0 0 getty [ 49.663703] [ 3027] 0 3027 3694 42 13 3 0 0 getty [ 49.663715] [ 3028] 0 3028 3694 41 13 3 0 0 getty [ 49.663728] [ 3029] 0 3029 3694 39 11 3 0 0 getty [ 49.663740] [ 3030] 0 3030 3694 41 13 3 0 0 getty [ 49.663752] [ 3031] 0 3031 3649 40 13 3 0 0 getty [ 49.663765] [ 3032] 0 3032 5348 152 14 3 0 -1000 udevd [ 49.663777] [ 3033] 0 3033 5348 152 14 3 0 -1000 udevd [ 49.663790] [ 3053] 0 3053 17820 195 40 3 0 0 sshd [ 49.663801] [ 3055] 0 3055 276 1 4 2 0 0 syzkaller375475 [ 49.663813] [ 3056] 0 3056 276 13 4 2 0 0 syzkaller375475 [ 49.663825] [ 3057] 0 3057 276 13 4 2 0 0 syzkaller375475 [ 49.663838] [ 3058] 0 3058 276 13 4 2 0 0 syzkaller375475 [ 49.663850] [ 3059] 0 3059 4371 13 5 2 0 0 syzkaller375475 [ 49.663862] [ 3060] 0 3060 4371 13 4 2 0 0 syzkaller375475 [ 49.663875] [ 3061] 0 3061 276 13 4 2 0 0 syzkaller375475 [ 49.663887] [ 3062] 0 3062 276 13 4 2 0 0 syzkaller375475 [ 49.663899] [ 3063] 0 3063 276 13 4 2 0 0 syzkaller375475 [ 49.663912] [ 3064] 0 3064 276 13 4 2 0 0 syzkaller375475 [ 49.663924] [ 3065] 0 3065 276 13 4 2 0 0 syzkaller375475 [ 49.663936] [ 3066] 0 3066 4371 13 4 2 0 0 syzkaller375475 [ 49.663949] [ 3067] 0 3067 4371 13 5 2 0 0 syzkaller375475 [ 49.663961] [ 3068] 0 3068 4371 13 5 2 0 0 syzkaller375475 [ 49.663973] [ 3070] 0 3070 4371 525 5 2 0 0 syzkaller375475 [ 49.663986] [ 3076] 0 3076 4371 13 5 2 0 0 syzkaller375475 [ 49.663999] [ 3080] 0 3080 4371 13 5 2 0 0 syzkaller375475 [ 49.664304] Out of memory: Kill process 2809 (dhclient) score 1 or sacrifice child [ 49.664452] Killed process 2809 (dhclient) total-vm:9972kB, anon-rss:2288kB, file-rss:0kB, shmem-rss:0kB [ 49.830207] syzkaller375475 cpuset=/ mems_allowed=0-1 [ 49.830714] CPU: 2 PID: 3068 Comm: syzkaller375475 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 49.831325] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 49.832095] Call Trace: [ 49.832296] dump_stack+0x194/0x257 [ 49.832647] ? arch_local_irq_restore+0x53/0x53 [ 49.832987] ? isolate_lru_page+0x11d0/0x11d0 [ 49.833422] warn_alloc+0x1c2/0x2f0 [ 49.833773] ? zone_watermark_ok_safe+0x430/0x430 [ 49.834243] ? rcu_note_context_switch+0x710/0x710 [ 49.834738] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 49.835239] ? warn_alloc+0x2f0/0x2f0 [ 49.835619] ? SyS_ioctl+0x8f/0xc0 [ 49.835962] ? warn_alloc+0x2f0/0x2f0 [ 49.836327] ? save_stack_trace+0x16/0x20 [ 49.836729] ? check_noncircular+0x20/0x20 [ 49.837140] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 49.837642] ? find_held_lock+0x39/0x1d0 [ 49.838034] ? lock_downgrade+0x990/0x990 [ 49.838449] ? check_same_owner+0x320/0x320 [ 49.838868] ? rcu_note_context_switch+0x710/0x710 [ 49.839380] ? check_noncircular+0x20/0x20 [ 49.839788] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 49.840492] ? __might_sleep+0x95/0x190 [ 49.840944] __alloc_pages_nodemask+0x9f7/0xd80 [ 49.841523] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 49.842055] ? __alloc_pages_nodemask+0xae5/0xd80 [ 49.842421] ? find_held_lock+0x39/0x1d0 [ 49.842811] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 49.843180] ? cache_grow_begin+0x31b/0x400 [ 49.843609] cache_grow_begin+0x86/0x400 [ 49.843996] fallback_alloc+0x150/0x2b0 [ 49.844386] ____cache_alloc_node+0x1cf/0x1e0 [ 49.844815] kmem_cache_alloc_trace+0x27d/0x750 [ 49.845256] ? lock_downgrade+0x990/0x990 [ 49.845664] kvm_dev_ioctl+0x216/0x1840 [ 49.846048] ? lock_release+0xd70/0xd70 [ 49.846429] ? install_new_memslots+0x420/0x420 [ 49.846887] ? avc_has_extended_perms+0x7fa/0x12c0 [ 49.847248] ? unwind_get_return_address+0x61/0xa0 [ 49.848067] ? avc_ss_reset+0x110/0x110 [ 49.848354] ? putname+0xee/0x130 [ 49.848682] ? save_stack+0xa3/0xd0 [ 49.848953] ? save_stack_trace+0x16/0x20 [ 49.849361] ? save_stack+0x43/0xd0 [ 49.849625] ? kasan_slab_free+0x71/0xc0 [ 49.850006] ? kmem_cache_free+0x77/0x280 [ 49.850309] ? putname+0xee/0x130 [ 49.850640] ? do_sys_open+0x31b/0x6d0 [ 49.850934] ? __lock_is_held+0xbc/0x140 [ 49.851347] ? check_same_owner+0x320/0x320 [ 49.851884] ? rcu_note_context_switch+0x710/0x710 [ 49.852247] ? install_new_memslots+0x420/0x420 [ 49.852601] do_vfs_ioctl+0x1b1/0x1530 [ 49.852971] ? _cond_resched+0x14/0x30 [ 49.853243] ? ioctl_preallocate+0x2b0/0x2b0 [ 49.853565] ? selinux_capable+0x40/0x40 [ 49.853954] ? putname+0xf3/0x130 [ 49.854216] ? security_file_ioctl+0x7d/0xb0 [ 49.854645] ? security_file_ioctl+0x89/0xb0 [ 49.854968] SyS_ioctl+0x8f/0xc0 [ 49.855181] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 49.855513] RIP: 0033:0x435c19 [ 49.855708] RSP: 002b:00007ffe6c329c98 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 49.856182] RAX: ffffffffffffffda RBX: 00000000006c9aa0 RCX: 0000000000435c19 [ 49.856644] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002bd [ 49.857077] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 49.857514] R10: 0000000000000000 R11: 0000000000000203 R12: fffffffffffeffff [ 49.857979] R13: 6d766b2f7665642f R14: 0000000000401fb0 R15: 0000000000000000 [ 50.018847] udevd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 50.020296] udevd cpuset=/ mems_allowed=0-1 [ 50.021172] CPU: 3 PID: 1525 Comm: udevd Not tainted 4.13.0-rc6-next-20170825+ #9 [ 50.022173] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 50.022962] Call Trace: [ 50.023219] dump_stack+0x194/0x257 [ 50.023609] ? arch_local_irq_restore+0x53/0x53 [ 50.024078] ? check_noncircular+0x20/0x20 [ 50.024559] dump_header+0x234/0xa0e [ 50.025076] ? pagefault_out_of_memory+0x152/0x152 [ 50.025595] ? lock_acquire+0x1d5/0x580 [ 50.026016] ? ___ratelimit+0x152/0x630 [ 50.026515] ? do_raw_spin_trylock+0x190/0x190 [ 50.026972] ? mark_held_locks+0xb2/0x100 [ 50.027372] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 50.027882] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 50.028382] ? trace_hardirqs_on+0xd/0x10 [ 50.028779] ? ___ratelimit+0x95/0x630 [ 50.029155] ? idr_get_free+0xff0/0xff0 [ 50.029561] ? lock_downgrade+0x990/0x990 [ 50.030176] ? cred_has_capability+0x1a0/0x3d0 [ 50.030922] oom_kill_process+0x86d/0x13d0 [ 50.031640] ? lock_release+0xd70/0xd70 [ 50.032329] ? oom_evaluate_task+0x480/0x480 [ 50.033068] ? security_capable_noaudit+0x8b/0xc0 [ 50.033871] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 50.034548] ? check_noncircular+0x20/0x20 [ 50.035005] ? has_capability+0x30/0x30 [ 50.035417] ? has_capability_noaudit+0x24/0x30 [ 50.035889] ? oom_badness+0xdf/0xb80 [ 50.036294] ? find_held_lock+0x39/0x1d0 [ 50.036711] ? lock_downgrade+0x990/0x990 [ 50.037188] ? oom_unkillable_task+0x33d/0x4c0 [ 50.037679] ? out_of_memory+0x8c1/0x11d0 [ 50.038262] ? oom_reaper+0x4d0/0x4d0 [ 50.038893] ? lock_release+0xd70/0xd70 [ 50.039971] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 50.040835] ? oom_evaluate_task+0x284/0x480 [ 50.041567] out_of_memory+0x7dd/0x11d0 [ 50.042284] ? oom_killer_disable+0x310/0x310 [ 50.043056] ? mutex_trylock+0x23a/0x2d0 [ 50.043754] ? __lock_is_held+0xbc/0x140 [ 50.044440] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 50.045252] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 50.046143] ? warn_alloc+0x2f0/0x2f0 [ 50.046821] ? find_get_pages_tag+0xf40/0xf40 [ 50.047599] ? radix_tree_lookup_slot+0x99/0xe0 [ 50.048406] ? check_noncircular+0x20/0x20 [ 50.049145] ? find_get_entry+0x53c/0x9e0 [ 50.049896] ? lock_downgrade+0x990/0x990 [ 50.050582] ? find_held_lock+0x39/0x1d0 [ 50.051300] ? __lock_is_held+0xbc/0x140 [ 50.052017] ? check_same_owner+0x320/0x320 [ 50.052467] ? __page_cache_alloc+0x165/0x4d0 [ 50.053084] ? __might_sleep+0x95/0x190 [ 50.053484] __alloc_pages_nodemask+0x9f7/0xd80 [ 50.053971] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 50.054488] ? add_to_page_cache_lru+0x510/0x510 [ 50.054997] ? find_held_lock+0x39/0x1d0 [ 50.055715] alloc_pages_current+0xb6/0x1e0 [ 50.056482] __page_cache_alloc+0x358/0x4d0 [ 50.057222] ? rcu_read_lock_held+0xa9/0xc0 [ 50.057970] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 50.058766] filemap_fault+0xf32/0x1d30 [ 50.059191] ? __lock_page_or_retry+0x500/0x500 [ 50.059763] ? filemap_map_pages+0x942/0x15d0 [ 50.060252] ? find_get_entries_tag+0xeb0/0xeb0 [ 50.061096] ? __lock_acquire+0x732/0x4620 [ 50.061615] ? check_noncircular+0x20/0x20 [ 50.062037] ? page_add_new_anon_rmap+0x750/0x750 [ 50.062531] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 50.063050] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 50.063846] ? lock_acquire+0x1d5/0x580 [ 50.064520] ? ext4_filemap_fault+0x7d/0xb0 [ 50.065261] ? lock_release+0xd70/0xd70 [ 50.065932] ? check_same_owner+0x320/0x320 [ 50.066671] ? rcu_note_context_switch+0x710/0x710 [ 50.067549] ? find_held_lock+0x39/0x1d0 [ 50.068261] ? __might_sleep+0x95/0x190 [ 50.068953] ? down_read+0x96/0x150 [ 50.069596] ? ext4_filemap_fault+0x7d/0xb0 [ 50.070351] ? __down_interruptible+0x6a0/0x6a0 [ 50.071151] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 50.072006] ext4_filemap_fault+0x85/0xb0 [ 50.072731] __do_fault+0xeb/0x30f [ 50.073341] ? pte_offset_kernel+0xc7/0xc7 [ 50.074079] ? check_noncircular+0x20/0x20 [ 50.074838] __handle_mm_fault+0x1b9b/0x39c0 [ 50.075634] ? __pmd_alloc+0x4e0/0x4e0 [ 50.076327] ? lock_downgrade+0x990/0x990 [ 50.077058] ? find_held_lock+0x39/0x1d0 [ 50.077804] ? __lock_is_held+0xbc/0x140 [ 50.078576] handle_mm_fault+0x3bb/0x860 [ 50.079302] ? down_read_trylock+0xdb/0x170 [ 50.080094] ? __handle_mm_fault+0x39c0/0x39c0 [ 50.080917] ? vmacache_find+0x61/0x270 [ 50.081628] ? find_vma+0x30/0x150 [ 50.083103] __do_page_fault+0x4f6/0xb60 [ 50.083867] trace_do_page_fault+0x141/0x730 [ 50.084665] ? do_page_fault+0x70/0x70 [ 50.085389] ? rw_verify_area+0xe5/0x2b0 [ 50.086131] ? __fdget_raw+0x20/0x20 [ 50.086814] ? retint_user+0x18/0x23 [ 50.087494] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.088390] do_async_page_fault+0x72/0xc0 [ 50.089157] async_page_fault+0x22/0x30 [ 50.089900] RIP: 0033:0x41693b [ 50.090499] RSP: 002b:00007ffc065bf630 EFLAGS: 00010202 [ 50.091528] RAX: 00007ffc065bfa58 RBX: 00007ffc065bfa50 RCX: 0000000000000008 [ 50.092891] RDX: 0000000000000008 RSI: 00007ffc065bfa50 RDI: 000000000042015a [ 50.094229] RBP: 0000000001639980 R08: 00000000ffffffff R09: 0000000000000000 [ 50.095576] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000000008 [ 50.096909] R13: 0000000001474980 R14: 0000000000000006 R15: 0000000000000000 [ 50.098339] Mem-Info: [ 50.113006] active_anon:2895 inactive_anon:42 isolated_anon:0 [ 50.113006] active_file:12 inactive_file:0 isolated_file:25 [ 50.113006] unevictable:0 dirty:0 writeback:0 unstable:0 [ 50.113006] slab_reclaimable:47913 slab_unreclaimable:314427 [ 50.113006] mapped:9 shmem:74 pagetables:334 bounce:0 [ 50.113006] free:17761 free_pcp:1 free_cma:0 [ 50.116624] Node 0 active_anon:7096kB inactive_anon:60kB active_file:64kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):96kB mapped:0kB dirty:0kB writeback:0kB shmem:100kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 50.119051] Node 1 active_anon:4484kB inactive_anon:108kB active_file:52kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 50.121533] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:24kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:736kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 50.123933] lowmem_reserve[]: 0 886 886 886 [ 50.124638] Node 0 DMA32 free:37072kB min:36536kB low:45668kB high:54800kB active_anon:7072kB inactive_anon:60kB active_file:76kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:52000kB pagetables:668kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 50.128353] lowmem_reserve[]: 0 0 0 0 [ 50.128791] Node 1 DMA32 free:30348kB min:30404kB low:38004kB high:45604kB active_anon:4484kB inactive_anon:108kB active_file:52kB inactive_file:8kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:37408kB pagetables:668kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 50.131486] lowmem_reserve[]: 0 0 0 0 [ 50.131781] Node 0 DMA: 10*4kB (UM) 4*8kB (ME) 1*16kB (E) 0*32kB 2*64kB (ME) 3*128kB (UME) 2*256kB (UM) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4184kB [ 50.133202] Node 0 DMA32: 300*4kB (UME) 308*8kB (UME) 144*16kB (UME) 81*32kB (UME) 50*64kB (UME) 12*128kB (ME) 7*256kB (UM) 2*512kB (ME) 3*1024kB (UME) 1*2048kB (M) 4*4096kB (M) = 37616kB [ 50.134483] Node 1 DMA32: 291*4kB (M) 303*8kB (UME) 170*16kB (UM) 84*32kB (UM) 115*64kB (UM) 12*128kB (M) 5*256kB (UME) 4*512kB (UM) 1*1024kB (M) 2*2048kB (UM) 1*4096kB (M) = 30436kB [ 50.136094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 50.136665] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 50.137461] 106 total pagecache pages [ 50.137815] 0 pages in swap cache [ 50.138152] Swap cache stats: add 0, delete 0, find 0/0 [ 50.138642] Free swap = 0kB [ 50.138922] Total swap = 0kB [ 50.139219] 524186 pages RAM [ 50.139504] 0 pages HighMem/MovableOnly [ 50.139783] 103968 pages reserved [ 50.140117] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 50.140768] [ 1525] 0 1525 6406 1187 18 3 0 -1000 udevd [ 50.141612] [ 2937] 0 2937 14240 108 24 3 0 0 rsyslogd [ 50.142318] [ 2974] 0 2974 4725 49 15 3 0 0 cron [ 50.143174] [ 3000] 0 3000 12490 152 29 3 0 -1000 sshd [ 50.144154] [ 3025] 0 3025 3694 41 13 3 0 0 getty [ 50.144972] [ 3026] 0 3026 3694 39 12 3 0 0 getty [ 50.145806] [ 3027] 0 3027 3694 42 13 3 0 0 getty [ 50.147138] [ 3028] 0 3028 3694 41 13 3 0 0 getty [ 50.148029] [ 3029] 0 3029 3694 39 11 3 0 0 getty [ 50.148908] [ 3030] 0 3030 3694 41 13 3 0 0 getty [ 50.149805] [ 3031] 0 3031 3649 40 13 3 0 0 getty [ 50.150692] [ 3032] 0 3032 5348 152 14 3 0 -1000 udevd [ 50.151549] [ 3033] 0 3033 5348 152 14 3 0 -1000 udevd [ 50.152452] [ 3053] 0 3053 17820 195 40 3 0 0 sshd [ 50.153334] [ 3055] 0 3055 276 1 4 2 0 0 syzkaller375475 [ 50.154364] [ 3056] 0 3056 276 13 4 2 0 0 syzkaller375475 [ 50.155335] [ 3057] 0 3057 276 13 4 2 0 0 syzkaller375475 [ 50.156292] [ 3058] 0 3058 276 13 4 2 0 0 syzkaller375475 [ 50.157224] [ 3059] 0 3059 4371 13 5 2 0 0 syzkaller375475 [ 50.158058] [ 3060] 0 3060 4371 13 5 2 0 0 syzkaller375475 [ 50.158942] [ 3061] 0 3061 276 13 4 2 0 0 syzkaller375475 [ 50.159830] [ 3062] 0 3062 276 13 4 2 0 0 syzkaller375475 [ 50.160712] [ 3063] 0 3063 276 13 4 2 0 0 syzkaller375475 [ 50.161427] [ 3064] 0 3064 276 13 4 2 0 0 syzkaller375475 [ 50.162306] [ 3065] 0 3065 276 13 4 2 0 0 syzkaller375475 [ 50.163031] [ 3066] 0 3066 4371 13 7 2 0 0 syzkaller375475 [ 50.163915] [ 3067] 0 3067 4371 13 5 2 0 0 syzkaller375475 [ 50.164817] [ 3068] 0 3068 4371 13 5 2 0 0 syzkaller375475 [ 50.165721] [ 3070] 0 3070 4371 525 7 2 0 0 syzkaller375475 [ 50.166622] [ 3076] 0 3076 4371 13 5 2 0 0 syzkaller375475 [ 50.167843] [ 3080] 0 3080 4371 13 7 2 0 0 syzkaller375475 [ 50.168842] Out of memory: Kill process 3070 (syzkaller375475) score 1 or sacrifice child [ 50.169703] Killed process 3070 (syzkaller375475) total-vm:17484kB, anon-rss:2100kB, file-rss:0kB, shmem-rss:0kB [ 50.173387] oom_reaper: reaped process 3070 (syzkaller375475), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.933983] syzkaller375475 (3070) used greatest stack depth: 15280 bytes left executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 52.091031] syzkaller375475: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 52.092118] syzkaller375475 cpuset=/ mems_allowed=0-1 [ 52.092478] CPU: 3 PID: 3060 Comm: syzkaller375475 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 52.093197] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 52.093895] Call Trace: [ 52.094077] dump_stack+0x194/0x257 [ 52.094393] ? arch_local_irq_restore+0x53/0x53 [ 52.094711] ? flush_work+0x621/0x930 [ 52.095105] warn_alloc+0x1c2/0x2f0 [ 52.095377] ? zone_watermark_ok_safe+0x430/0x430 [ 52.095795] ? mutex_unlock+0xd/0x10 [ 52.096061] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 52.096511] ? warn_alloc+0x2f0/0x2f0 [ 52.096770] ? SyS_ioctl+0x8f/0xc0 [ 52.097082] ? warn_alloc+0x2f0/0x2f0 [ 52.097342] ? save_stack_trace+0x16/0x20 [ 52.097711] ? check_noncircular+0x20/0x20 [ 52.098005] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 52.098461] ? find_held_lock+0x39/0x1d0 [ 52.098745] ? lock_downgrade+0x990/0x990 [ 52.099119] ? check_same_owner+0x320/0x320 [ 52.099414] ? rcu_note_context_switch+0x710/0x710 [ 52.099838] ? check_noncircular+0x20/0x20 [ 52.100123] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 52.100695] ? __might_sleep+0x95/0x190 [ 52.100969] __alloc_pages_nodemask+0x9f7/0xd80 [ 52.101375] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 52.101712] ? __alloc_pages_nodemask+0xae5/0xd80 [ 52.102130] ? find_held_lock+0x39/0x1d0 [ 52.102406] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 52.102853] ? cache_grow_begin+0x31b/0x400 [ 52.103150] cache_grow_begin+0x86/0x400 [ 52.103510] fallback_alloc+0x150/0x2b0 [ 52.103792] ____cache_alloc_node+0x1cf/0x1e0 [ 52.104186] kmem_cache_alloc_trace+0x27d/0x750 [ 52.104501] ? lock_downgrade+0x990/0x990 [ 52.104868] kvm_dev_ioctl+0x216/0x1840 [ 52.105143] ? lock_release+0xd70/0xd70 [ 52.105490] ? install_new_memslots+0x420/0x420 [ 52.105815] ? avc_has_extended_perms+0x7fa/0x12c0 [ 52.106240] ? unwind_get_return_address+0x61/0xa0 [ 52.106579] ? avc_ss_reset+0x110/0x110 [ 52.106923] ? putname+0xee/0x130 [ 52.107160] ? save_stack+0xa3/0xd0 [ 52.107479] ? save_stack_trace+0x16/0x20 [ 52.107760] ? save_stack+0x43/0xd0 [ 52.108073] ? kasan_slab_free+0x71/0xc0 [ 52.108346] ? kmem_cache_free+0x77/0x280 [ 52.108707] ? putname+0xee/0x130 [ 52.109453] ? do_sys_open+0x31b/0x6d0 [ 52.109720] ? __lock_is_held+0xbc/0x140 [ 52.110085] ? check_same_owner+0x320/0x320 [ 52.110392] ? rcu_note_context_switch+0x710/0x710 [ 52.110821] ? install_new_memslots+0x420/0x420 [ 52.111142] do_vfs_ioctl+0x1b1/0x1530 [ 52.111491] ? _cond_resched+0x14/0x30 [ 52.111754] ? ioctl_preallocate+0x2b0/0x2b0 [ 52.112138] ? selinux_capable+0x40/0x40 [ 52.112421] ? putname+0xf3/0x130 [ 52.112733] ? security_file_ioctl+0x7d/0xb0 [ 52.113019] ? security_file_ioctl+0x89/0xb0 [ 52.113411] SyS_ioctl+0x8f/0xc0 [ 52.113644] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 52.114053] RIP: 0033:0x435c19 [ 52.114270] RSP: 002b:00007ffe6c329c98 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 52.114927] RAX: ffffffffffffffda RBX: 00000000006c9aa0 RCX: 0000000000435c19 [ 52.115402] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000375 [ 52.116033] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 52.116527] R10: 0000000000000000 R11: 0000000000000207 R12: fffffffffffeffff [ 52.117007] R13: 6d766b2f7665642f R14: 0000000000401fb0 R15: 0000000000000000 [ 52.117681] warn_alloc_show_mem: 1 callbacks suppressed [ 52.118174] Mem-Info: [ 52.118373] active_anon:2442 inactive_anon:42 isolated_anon:0 [ 52.118373] active_file:189 inactive_file:133 isolated_file:54 [ 52.118373] unevictable:0 dirty:0 writeback:0 unstable:0 [ 52.118373] slab_reclaimable:48919 slab_unreclaimable:314082 [ 52.118373] mapped:270 shmem:81 pagetables:325 bounce:0 [ 52.118373] free:17919 free_pcp:97 free_cma:0 [ 52.121146] Node 0 active_anon:5028kB inactive_anon:64kB active_file:664kB inactive_file:380kB unevictable:0kB isolated(anon):0kB isolated(file):100kB mapped:872kB dirty:0kB writeback:0kB shmem:120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 52.123381] Node 1 active_anon:4740kB inactive_anon:104kB active_file:92kB inactive_file:552kB unevictable:0kB isolated(anon):0kB isolated(file):124kB mapped:608kB dirty:0kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 52.125396] Node 0 DMA free:4176kB min:640kB low:800kB high:960kB active_anon:40kB inactive_anon:0kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:704kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 52.127326] lowmem_reserve[]: 0 886 886 886 [ 52.127647] Node 0 DMA32 free:35924kB min:36536kB low:45668kB high:54800kB active_anon:4988kB inactive_anon:64kB active_file:436kB inactive_file:80kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:46720kB pagetables:636kB bounce:0kB free_pcp:100kB local_pcp:0kB free_cma:0kB [ 52.129533] lowmem_reserve[]: 0 0 0 0 [ 52.129811] Node 1 DMA32 free:32024kB min:30404kB low:38004kB high:45604kB active_anon:4740kB inactive_anon:104kB active_file:8kB inactive_file:300kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:42304kB pagetables:664kB bounce:0kB free_pcp:532kB local_pcp:0kB free_cma:0kB [ 52.132098] lowmem_reserve[]: 0 0 0 0 [ 52.132370] Node 0 DMA: 8*4kB (UM) 5*8kB (UME) 17*16kB (UME) 6*32kB (UME) 3*64kB (U) 1*128kB (M) 1*256kB (M) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4184kB [ 52.133439] Node 0 DMA32: 343*4kB (UME) 199*8kB (ME) 125*16kB (ME) 227*32kB (UME) 72*64kB (UM) 16*128kB (UM) 19*256kB (UME) 2*512kB (UM) 1*1024kB (M) 1*2048kB (M) 2*4096kB (M) = 36036kB [ 52.134656] Node 1 DMA32: 324*4kB (UME) 67*8kB (UMEH) 750*16kB (UMEH) 224*32kB (UMEH) 170*64kB (UMH) 1*128kB (E) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32008kB [ 52.136023] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 52.136704] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 52.137346] 405 total pagecache pages [ 52.137674] 0 pages in swap cache [ 52.137902] Swap cache stats: add 0, delete 0, find 0/0 [ 52.138383] Free swap = 0kB [ 52.138638] Total swap = 0kB [ 52.138841] 524186 pages RAM [ 52.139159] 0 pages HighMem/MovableOnly [ 52.139438] 103968 pages reserved executing program [ 52.229805] syzkaller375475: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 52.230648] syzkaller375475 cpuset=/ mems_allowed=0-1 [ 52.231141] CPU: 0 PID: 3068 Comm: syzkaller375475 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 52.231774] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 52.232344] Call Trace: [ 52.232576] dump_stack+0x194/0x257 [ 52.232835] ? arch_local_irq_restore+0x53/0x53 [ 52.233239] ? flush_work+0x621/0x930 [ 52.233501] warn_alloc+0x1c2/0x2f0 [ 52.233820] ? zone_watermark_ok_safe+0x430/0x430 [ 52.234137] ? mutex_unlock+0xd/0x10 [ 52.234474] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 52.234843] ? warn_alloc+0x2f0/0x2f0 [ 52.235173] ? SyS_ioctl+0x8f/0xc0 [ 52.235430] ? warn_alloc+0x2f0/0x2f0 [ 52.235767] ? save_stack_trace+0x16/0x20 [ 52.236055] ? check_noncircular+0x20/0x20 [ 52.236658] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 52.237036] ? find_held_lock+0x39/0x1d0 [ 52.237396] ? lock_downgrade+0x990/0x990 [ 52.237690] ? check_same_owner+0x320/0x320 [ 52.238066] ? rcu_note_context_switch+0x710/0x710 [ 52.238401] ? check_noncircular+0x20/0x20 [ 52.238768] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 52.239219] ? __might_sleep+0x95/0x190 [ 52.239582] __alloc_pages_nodemask+0x9f7/0xd80 [ 52.239898] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 52.240330] ? __alloc_pages_nodemask+0xae5/0xd80 [ 52.240654] ? find_held_lock+0x39/0x1d0 [ 52.241008] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 52.241361] ? cache_grow_begin+0x31b/0x400 [ 52.241739] cache_grow_begin+0x86/0x400 [ 52.242023] fallback_alloc+0x150/0x2b0 [ 52.242376] ____cache_alloc_node+0x1cf/0x1e0 [ 52.242769] kmem_cache_alloc_trace+0x27d/0x750 [ 52.243088] ? lock_downgrade+0x990/0x990 [ 52.243460] kvm_dev_ioctl+0x216/0x1840 [ 52.243730] ? lock_release+0xd70/0xd70 [ 52.244076] ? install_new_memslots+0x420/0x420 [ 52.244401] ? avc_has_extended_perms+0x7fa/0x12c0 [ 52.244822] ? unwind_get_return_address+0x61/0xa0 [ 52.245166] ? avc_ss_reset+0x110/0x110 [ 52.245515] ? putname+0xee/0x130 [ 52.245752] ? save_stack+0xa3/0xd0 [ 52.246069] ? save_stack_trace+0x16/0x20 [ 52.246342] ? save_stack+0x43/0xd0 [ 52.246655] ? kasan_slab_free+0x71/0xc0 [ 52.246925] ? kmem_cache_free+0x77/0x280 [ 52.247281] ? putname+0xee/0x130 [ 52.247515] ? do_sys_open+0x31b/0x6d0 [ 52.247853] ? __lock_is_held+0xbc/0x140 [ 52.248146] ? check_same_owner+0x320/0x320 [ 52.248522] ? rcu_note_context_switch+0x710/0x710 [ 52.248918] ? install_new_memslots+0x420/0x420 [ 52.249323] do_vfs_ioctl+0x1b1/0x1530 [ 52.249583] ? _cond_resched+0x14/0x30 [ 52.249923] ? ioctl_preallocate+0x2b0/0x2b0 [ 52.250228] ? selinux_capable+0x40/0x40 [ 52.250579] ? putname+0xf3/0x130 [ 52.250824] ? security_file_ioctl+0x7d/0xb0 [ 52.251202] ? security_file_ioctl+0x89/0xb0 [ 52.251591] SyS_ioctl+0x8f/0xc0 [ 52.251826] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 52.252233] RIP: 0033:0x435c19 [ 52.252450] RSP: 002b:00007ffe6c329c98 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 52.253108] RAX: ffffffffffffffda RBX: 00000000006c9aa0 RCX: 0000000000435c19 [ 52.253582] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002fa [ 52.254201] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 52.254682] R10: 0000000000000000 R11: 0000000000000207 R12: fffffffffffeffff [ 52.255299] R13: 6d766b2f7665642f R14: 0000000000401fb0 R15: 0000000000000000 executing program executing program executing program executing program executing program executing program [ 53.504131] udevd invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=-1000 [ 53.505051] udevd cpuset=/ mems_allowed=0-1 [ 53.505395] CPU: 3 PID: 1525 Comm: udevd Not tainted 4.13.0-rc6-next-20170825+ #9 [ 53.505908] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.506467] Call Trace: [ 53.506649] dump_stack+0x194/0x257 [ 53.506904] ? arch_local_irq_restore+0x53/0x53 [ 53.507255] ? check_noncircular+0x20/0x20 [ 53.507546] dump_header+0x234/0xa0e [ 53.507804] ? pagefault_out_of_memory+0x152/0x152 [ 53.508137] ? lock_acquire+0x1d5/0x580 [ 53.508403] ? ___ratelimit+0x152/0x630 [ 53.508674] ? do_raw_spin_trylock+0x190/0x190 [ 53.508984] ? mark_held_locks+0xb2/0x100 [ 53.509262] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 53.509604] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.509939] ? trace_hardirqs_on+0xd/0x10 [ 53.510220] ? ___ratelimit+0x95/0x630 [ 53.510481] ? idr_get_free+0xff0/0xff0 [ 53.510748] ? lock_downgrade+0x990/0x990 [ 53.511042] ? cred_has_capability+0x1a0/0x3d0 [ 53.511377] oom_kill_process+0x86d/0x13d0 [ 53.511665] ? lock_release+0xd70/0xd70 [ 53.511937] ? oom_evaluate_task+0x480/0x480 [ 53.512234] ? security_capable_noaudit+0x8b/0xc0 [ 53.512560] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 53.512901] ? check_noncircular+0x20/0x20 [ 53.513186] ? has_capability+0x30/0x30 [ 53.513459] ? mark_held_locks+0xb2/0x100 [ 53.513736] ? retint_kernel+0x10/0x10 [ 53.514000] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.514337] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 53.514657] ? find_held_lock+0x39/0x1d0 [ 53.514936] ? lock_downgrade+0x990/0x990 [ 53.515252] ? oom_unkillable_task+0xb0/0x4c0 [ 53.515552] ? oom_unkillable_task+0x33d/0x4c0 [ 53.515859] ? out_of_memory+0x8c1/0x11d0 [ 53.516136] ? oom_reaper+0x4d0/0x4d0 [ 53.516690] ? lock_release+0xd70/0xd70 [ 53.516958] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 53.517295] ? oom_evaluate_task+0x284/0x480 [ 53.517594] out_of_memory+0x7dd/0x11d0 [ 53.517866] ? oom_killer_disable+0x310/0x310 [ 53.518165] ? mutex_trylock+0x23a/0x2d0 [ 53.518438] ? rcu_pm_notify+0xc0/0xc0 [ 53.518696] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 53.519102] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 53.519475] ? warn_alloc+0x2f0/0x2f0 [ 53.519732] ? do_sys_open+0x2e7/0x6d0 [ 53.519995] ? warn_alloc+0x2f0/0x2f0 [ 53.520251] ? save_stack_trace+0x16/0x20 [ 53.520533] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.520880] ? check_noncircular+0x20/0x20 [ 53.521170] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.521525] ? find_held_lock+0x39/0x1d0 [ 53.521807] ? __lock_is_held+0xbc/0x140 [ 53.522093] ? check_same_owner+0x320/0x320 [ 53.522389] ? __might_sleep+0x95/0x190 [ 53.522663] __alloc_pages_nodemask+0x9f7/0xd80 [ 53.522981] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.523351] ? __alloc_pages_nodemask+0xae5/0xd80 [ 53.523676] ? find_held_lock+0x39/0x1d0 [ 53.523952] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.524301] ? cache_grow_begin+0x31b/0x400 [ 53.524596] cache_grow_begin+0x86/0x400 [ 53.524870] fallback_alloc+0x150/0x2b0 [ 53.525146] ____cache_alloc_node+0x1cf/0x1e0 [ 53.525449] kmem_cache_alloc+0x287/0x760 [ 53.525736] getname_flags+0xcb/0x580 [ 53.525990] ? do_page_fault+0x70/0x70 [ 53.526256] getname+0x19/0x20 [ 53.526473] do_sys_open+0x2e7/0x6d0 [ 53.526728] ? filp_open+0x70/0x70 [ 53.526962] ? entry_SYSCALL_64_fastpath+0x5/0xbe [ 53.527322] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.527666] SyS_open+0x2d/0x40 [ 53.527890] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 53.528206] RIP: 0033:0x7f5f5e2f8120 [ 53.528456] RSP: 002b:00007ffc065bf578 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 53.528973] RAX: ffffffffffffffda RBX: 000000000156b050 RCX: 00007f5f5e2f8120 [ 53.529453] RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00007ffc065bf650 [ 53.529933] RBP: 0000000000000086 R08: 0000000000000008 R09: 0000000000000001 [ 53.530414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 53.530891] R13: 00007ffc065bf650 R14: 000000000147b000 R15: 000000000141a030 [ 53.531448] Mem-Info: [ 53.531660] active_anon:2435 inactive_anon:42 isolated_anon:0 [ 53.531660] active_file:16 inactive_file:17 isolated_file:0 [ 53.531660] unevictable:0 dirty:0 writeback:0 unstable:0 [ 53.531660] slab_reclaimable:48990 slab_unreclaimable:314131 [ 53.531660] mapped:2 shmem:81 pagetables:321 bounce:0 [ 53.531660] free:18144 free_pcp:233 free_cma:0 [ 53.535200] Node 0 active_anon:5044kB inactive_anon:60kB active_file:40kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 53.537370] Node 1 active_anon:4696kB inactive_anon:108kB active_file:224kB inactive_file:508kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:800kB dirty:0kB writeback:0kB shmem:208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 53.540063] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:40kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:704kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 53.542300] lowmem_reserve[]: 0 886 886 886 [ 53.542612] Node 0 DMA32 free:36460kB min:36536kB low:45668kB high:54800kB active_anon:5004kB inactive_anon:60kB active_file:40kB inactive_file:40kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:46848kB pagetables:648kB bounce:0kB free_pcp:144kB local_pcp:44kB free_cma:0kB [ 53.545765] syzkaller375475: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 53.545776] syzkaller375475 cpuset=/ mems_allowed=0-1 [ 53.545788] CPU: 3 PID: 3060 Comm: syzkaller375475 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 53.545791] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.545793] Call Trace: [ 53.545800] dump_stack+0x194/0x257 [ 53.545808] ? arch_local_irq_restore+0x53/0x53 [ 53.545814] ? isolate_lru_page+0x11d0/0x11d0 [ 53.545824] warn_alloc+0x1c2/0x2f0 [ 53.545830] ? zone_watermark_ok_safe+0x430/0x430 [ 53.545851] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 53.545890] ? warn_alloc+0x2f0/0x2f0 [ 53.545896] ? SyS_ioctl+0x8f/0xc0 [ 53.545904] ? warn_alloc+0x2f0/0x2f0 [ 53.545911] ? save_stack_trace+0x16/0x20 [ 53.545924] ? check_noncircular+0x20/0x20 [ 53.545935] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.545949] ? find_held_lock+0x39/0x1d0 [ 53.545962] ? lock_downgrade+0x990/0x990 [ 53.545981] ? check_same_owner+0x320/0x320 [ 53.545989] ? rcu_note_context_switch+0x710/0x710 [ 53.545993] ? check_noncircular+0x20/0x20 [ 53.545997] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 53.546009] ? __might_sleep+0x95/0x190 [ 53.546019] __alloc_pages_nodemask+0x9f7/0xd80 [ 53.546028] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.546033] ? __alloc_pages_nodemask+0xae5/0xd80 [ 53.546038] ? find_held_lock+0x39/0x1d0 [ 53.546044] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.546064] ? cache_grow_begin+0x31b/0x400 [ 53.546074] cache_grow_begin+0x86/0x400 [ 53.546082] fallback_alloc+0x150/0x2b0 [ 53.546093] ____cache_alloc_node+0x1cf/0x1e0 [ 53.546101] kmem_cache_alloc_trace+0x27d/0x750 [ 53.546105] ? lock_downgrade+0x990/0x990 [ 53.546117] kvm_dev_ioctl+0x216/0x1840 [ 53.546125] ? lock_release+0xd70/0xd70 [ 53.546131] ? install_new_memslots+0x420/0x420 [ 53.546147] ? avc_has_extended_perms+0x7fa/0x12c0 [ 53.546151] ? unwind_get_return_address+0x61/0xa0 [ 53.546162] ? avc_ss_reset+0x110/0x110 [ 53.546168] ? putname+0xee/0x130 [ 53.546173] ? save_stack+0xa3/0xd0 [ 53.546178] ? save_stack_trace+0x16/0x20 [ 53.546181] ? save_stack+0x43/0xd0 [ 53.546185] ? kasan_slab_free+0x71/0xc0 [ 53.546188] ? kmem_cache_free+0x77/0x280 [ 53.546191] ? putname+0xee/0x130 [ 53.546195] ? do_sys_open+0x31b/0x6d0 [ 53.546203] ? __lock_is_held+0xbc/0x140 [ 53.546220] ? check_same_owner+0x320/0x320 [ 53.546226] ? rcu_note_context_switch+0x710/0x710 [ 53.546237] ? install_new_memslots+0x420/0x420 [ 53.546241] do_vfs_ioctl+0x1b1/0x1530 [ 53.546244] ? _cond_resched+0x14/0x30 [ 53.546252] ? ioctl_preallocate+0x2b0/0x2b0 [ 53.546259] ? selinux_capable+0x40/0x40 [ 53.546265] ? putname+0xf3/0x130 [ 53.546280] ? security_file_ioctl+0x7d/0xb0 [ 53.546284] ? security_file_ioctl+0x89/0xb0 [ 53.546291] SyS_ioctl+0x8f/0xc0 [ 53.546299] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 53.546303] RIP: 0033:0x435c19 [ 53.546306] RSP: 002b:00007ffe6c329c98 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 53.546310] RAX: ffffffffffffffda RBX: 00000000006c9aa0 RCX: 0000000000435c19 [ 53.546313] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000378 [ 53.546316] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 53.546318] R10: 0000000000000000 R11: 0000000000000207 R12: fffffffffffeffff [ 53.546321] R13: 6d766b2f7665642f R14: 0000000000401fb0 R15: 0000000000000000 [ 53.546365] warn_alloc_show_mem: 1 callbacks suppressed [ 53.546367] Mem-Info: [ 53.546375] active_anon:2435 inactive_anon:42 isolated_anon:0 [ 53.546375] active_file:24 inactive_file:53 isolated_file:0 [ 53.546375] unevictable:0 dirty:9 writeback:0 unstable:0 [ 53.546375] slab_reclaimable:48990 slab_unreclaimable:314133 [ 53.546375] mapped:15 shmem:81 pagetables:321 bounce:0 [ 53.546375] free:18193 free_pcp:47 free_cma:0 [ 53.546381] Node 0 active_anon:5044kB inactive_anon:60kB active_file:40kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 53.546386] Node 1 active_anon:4696kB inactive_anon:108kB active_file:56kB inactive_file:172kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:36kB writeback:0kB shmem:208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 53.546388] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:40kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:704kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 53.546396] lowmem_reserve[]: 0 886 886 886 [ 53.546407] Node 0 DMA32 free:36476kB min:36536kB low:45668kB high:54800kB active_anon:5004kB inactive_anon:60kB active_file:40kB inactive_file:40kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:46848kB pagetables:648kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB [ 53.546415] lowmem_reserve[]: 0 0 0 0 [ 53.546425] Node 1 DMA32 free:32112kB min:30404kB low:38004kB high:45604kB active_anon:4696kB inactive_anon:108kB active_file:56kB inactive_file:84kB unevictable:0kB writepending:36kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:42272kB pagetables:636kB bounce:0kB free_pcp:144kB local_pcp:52kB free_cma:0kB [ 53.546433] lowmem_reserve[]: 0 0 0 0 [ 53.546443] Node 0 DMA: 8*4kB (UM) 5*8kB (UME) 17*16kB (UME) 6*32kB (UME) 3*64kB (U) 1*128kB (M) 1*256kB (M) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4184kB [ 53.546486] Node 0 DMA32: 510*4kB (UME) 231*8kB (UME) 126*16kB (UME) 214*32kB (UME) 72*64kB (UM) 16*128kB (UM) 19*256kB (UME) 2*512kB (UM) 1*1024kB (M) 1*2048kB (M) 2*4096kB (M) = 36560kB [ 53.546532] Node 1 DMA32: 345*4kB (UME) 103*8kB (UMEH) 752*16kB (UMEH) 223*32kB (UMEH) 170*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32252kB [ 53.546570] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 53.546572] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 53.546575] 210 total pagecache pages [ 53.546579] 0 pages in swap cache [ 53.546581] Swap cache stats: add 0, delete 0, find 0/0 [ 53.546583] Free swap = 0kB [ 53.546585] Total swap = 0kB [ 53.546587] 524186 pages RAM [ 53.546589] 0 pages HighMem/MovableOnly [ 53.546591] 103968 pages reserved [ 53.546861] syzkaller375475: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 53.546878] syzkaller375475 cpuset=/ mems_allowed=0-1 [ 53.546895] CPU: 1 PID: 3080 Comm: syzkaller375475 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 53.546900] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.546903] Call Trace: [ 53.546912] dump_stack+0x194/0x257 [ 53.546923] ? arch_local_irq_restore+0x53/0x53 [ 53.546933] ? flush_work+0x621/0x930 [ 53.546948] warn_alloc+0x1c2/0x2f0 [ 53.546957] ? zone_watermark_ok_safe+0x430/0x430 [ 53.546963] ? mutex_unlock+0xd/0x10 [ 53.546998] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 53.547070] ? warn_alloc+0x2f0/0x2f0 [ 53.547080] ? SyS_ioctl+0x8f/0xc0 [ 53.547093] ? warn_alloc+0x2f0/0x2f0 [ 53.547105] ? save_stack_trace+0x16/0x20 [ 53.547127] ? check_noncircular+0x20/0x20 [ 53.547147] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.547172] ? find_held_lock+0x39/0x1d0 [ 53.547196] ? lock_downgrade+0x990/0x990 [ 53.547231] ? check_same_owner+0x320/0x320 [ 53.547243] ? rcu_note_context_switch+0x710/0x710 [ 53.547250] ? check_noncircular+0x20/0x20 [ 53.547258] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 53.547269] ? __might_sleep+0x95/0x190 [ 53.547283] __alloc_pages_nodemask+0x9f7/0xd80 [ 53.547297] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.547305] ? __alloc_pages_nodemask+0xae5/0xd80 [ 53.547314] ? find_held_lock+0x39/0x1d0 [ 53.547325] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.547360] ? cache_grow_begin+0x31b/0x400 [ 53.547377] cache_grow_begin+0x86/0x400 [ 53.547392] fallback_alloc+0x150/0x2b0 [ 53.547426] ____cache_alloc_node+0x1cf/0x1e0 [ 53.547441] kmem_cache_alloc_trace+0x27d/0x750 [ 53.547448] ? lock_downgrade+0x990/0x990 [ 53.547470] kvm_dev_ioctl+0x216/0x1840 [ 53.547484] ? lock_release+0xd70/0xd70 [ 53.547495] ? install_new_memslots+0x420/0x420 [ 53.547523] ? avc_has_extended_perms+0x7fa/0x12c0 [ 53.547529] ? unwind_get_return_address+0x61/0xa0 [ 53.547551] ? avc_ss_reset+0x110/0x110 [ 53.547561] ? putname+0xee/0x130 [ 53.547569] ? save_stack+0xa3/0xd0 [ 53.547578] ? save_stack_trace+0x16/0x20 [ 53.547585] ? save_stack+0x43/0xd0 [ 53.547590] ? kasan_slab_free+0x71/0xc0 [ 53.547596] ? kmem_cache_free+0x77/0x280 [ 53.547602] ? putname+0xee/0x130 [ 53.547608] ? do_sys_open+0x31b/0x6d0 [ 53.547622] ? __lock_is_held+0xbc/0x140 [ 53.547653] ? check_same_owner+0x320/0x320 [ 53.547665] ? rcu_note_context_switch+0x710/0x710 [ 53.547684] ? install_new_memslots+0x420/0x420 [ 53.547691] do_vfs_ioctl+0x1b1/0x1530 [ 53.547697] ? _cond_resched+0x14/0x30 [ 53.547712] ? ioctl_preallocate+0x2b0/0x2b0 [ 53.547724] ? selinux_capable+0x40/0x40 [ 53.547733] ? putname+0xf3/0x130 [ 53.547761] ? security_file_ioctl+0x7d/0xb0 [ 53.547767] ? security_file_ioctl+0x89/0xb0 [ 53.547781] SyS_ioctl+0x8f/0xc0 [ 53.547795] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 53.547801] RIP: 0033:0x435c19 [ 53.547806] RSP: 002b:00007ffe6c329c98 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 53.547815] RAX: ffffffffffffffda RBX: 00000000006c9aa0 RCX: 0000000000435c19 [ 53.547820] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002f7 [ 53.547824] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 53.547829] R10: 0000000000000000 R11: 0000000000000207 R12: fffffffffffeffff [ 53.547834] R13: 6d766b2f7665642f R14: 0000000000401fb0 R15: 0000000000000000 [ 53.622029] lowmem_reserve[]: 0 0 0 0 [ 53.622320] Node 1 DMA32 free:29944kB min:30404kB low:38004kB high:45604kB active_anon:4700kB inactive_anon:108kB active_file:964kB inactive_file:1184kB unevictable:0kB writepending:36kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:42272kB pagetables:640kB bounce:0kB free_pcp:1456kB local_pcp:248kB free_cma:0kB [ 53.624569] lowmem_reserve[]: 0 0 0 0 [ 53.624847] Node 0 DMA: 8*4kB (UM) 5*8kB (UME) 17*16kB (UME) 6*32kB (UME) 3*64kB (U) 1*128kB (M) 1*256kB (M) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4184kB [ 53.625904] Node 0 DMA32: 490*4kB (UME) 231*8kB (UME) 126*16kB (UME) 214*32kB (UME) 72*64kB (UM) 16*128kB (UM) 19*256kB (UME) 2*512kB (UM) 1*1024kB (M) 1*2048kB (M) 2*4096kB (M) = 36480kB [ 53.627127] Node 1 DMA32: 176*4kB (UME) 50*8kB (UEH) 717*16kB (UEH) 209*32kB (UMEH) 163*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 29696kB [ 53.628225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 53.628797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 53.629377] 508 total pagecache pages [ 53.629633] 0 pages in swap cache [ 53.629863] Swap cache stats: add 0, delete 0, find 0/0 [ 53.630232] Free swap = 0kB [ 53.630435] Total swap = 0kB [ 53.630636] 524186 pages RAM [ 53.630835] 0 pages HighMem/MovableOnly [ 53.631114] 103968 pages reserved [ 53.631346] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 53.631935] [ 1525] 0 1525 6471 1251 18 3 0 -1000 udevd [ 53.632569] [ 2937] 0 2937 14240 162 24 3 0 0 rsyslogd [ 53.633180] [ 2974] 0 2974 4725 49 15 3 0 0 cron [ 53.633749] [ 3000] 0 3000 12490 152 29 3 0 -1000 sshd [ 53.634339] [ 3025] 0 3025 3694 41 13 3 0 0 getty [ 53.634917] [ 3026] 0 3026 3694 39 12 3 0 0 getty [ 53.635516] [ 3027] 0 3027 3694 42 13 3 0 0 getty [ 53.636112] [ 3028] 0 3028 3694 41 13 3 0 0 getty [ 53.636688] [ 3029] 0 3029 3694 39 11 3 0 0 getty [ 53.637280] [ 3030] 0 3030 3694 41 13 3 0 0 getty [ 53.637859] [ 3031] 0 3031 3649 40 13 3 0 0 getty [ 53.638453] [ 3032] 0 3032 5348 152 14 3 0 -1000 udevd [ 53.639043] [ 3033] 0 3033 5348 152 14 3 0 -1000 udevd [ 53.639620] [ 3053] 0 3053 17820 196 40 3 0 0 sshd [ 53.640219] [ 3055] 0 3055 276 1 4 2 0 0 syzkaller375475 [ 53.640854] [ 3056] 0 3056 276 13 4 2 0 0 syzkaller375475 [ 53.641503] [ 3057] 0 3057 276 13 4 2 0 0 syzkaller375475 [ 53.642153] [ 3058] 0 3058 276 13 4 2 0 0 syzkaller375475 [ 53.642783] [ 3059] 0 3059 4371 13 5 2 0 0 syzkaller375475 [ 53.643436] [ 3060] 0 3060 4371 48 5 2 0 0 syzkaller375475 [ 53.644083] [ 3061] 0 3061 276 13 4 2 0 0 syzkaller375475 [ 53.645305] [ 3062] 0 3062 276 13 4 2 0 0 syzkaller375475 [ 53.645940] [ 3064] 0 3064 276 13 4 2 0 0 syzkaller375475 [ 53.646592] [ 3065] 0 3065 276 13 4 2 0 0 syzkaller375475 [ 53.647240] [ 3066] 0 3066 4371 13 7 2 0 0 syzkaller375475 [ 53.647881] [ 3067] 0 3067 4371 13 5 2 0 0 syzkaller375475 [ 53.648532] [ 3068] 0 3068 4371 13 5 2 0 0 syzkaller375475 [ 53.649187] [ 3076] 0 3076 4371 13 5 2 0 0 syzkaller375475 [ 53.649834] [ 3080] 0 3080 4371 46 5 2 0 0 syzkaller375475 [ 53.650721] Out of memory: Kill process 3053 (sshd) score 0 or sacrifice child [ 53.651248] Killed process 3055 (syzkaller375475) total-vm:1104kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 53.792988] syzkaller375475: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 53.795246] syzkaller375475 cpuset=/ mems_allowed=0-1 [ 53.795624] CPU: 0 PID: 3067 Comm: syzkaller375475 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 53.796184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.796726] Call Trace: [ 53.796905] dump_stack+0x194/0x257 [ 53.797153] ? arch_local_irq_restore+0x53/0x53 [ 53.797466] ? flush_work+0x621/0x930 [ 53.797726] warn_alloc+0x1c2/0x2f0 [ 53.797971] ? zone_watermark_ok_safe+0x430/0x430 [ 53.798293] ? mutex_unlock+0xd/0x10 [ 53.798558] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 53.798916] ? warn_alloc+0x2f0/0x2f0 [ 53.799173] ? SyS_ioctl+0x8f/0xc0 [ 53.799418] ? warn_alloc+0x2f0/0x2f0 [ 53.799676] ? save_stack_trace+0x16/0x20 [ 53.799962] ? check_noncircular+0x20/0x20 [ 53.800253] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.800610] ? find_held_lock+0x39/0x1d0 [ 53.800891] ? lock_downgrade+0x990/0x990 [ 53.801185] ? check_same_owner+0x320/0x320 [ 53.801477] ? rcu_note_context_switch+0x710/0x710 [ 53.801806] ? check_noncircular+0x20/0x20 [ 53.802089] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 53.802533] ? __might_sleep+0x95/0x190 [ 53.802802] __alloc_pages_nodemask+0x9f7/0xd80 [ 53.803118] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.803452] ? __alloc_pages_nodemask+0xae5/0xd80 [ 53.803793] ? find_held_lock+0x39/0x1d0 [ 53.804067] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.804417] ? cache_grow_begin+0x31b/0x400 [ 53.804718] cache_grow_begin+0x86/0x400 [ 53.804999] fallback_alloc+0x150/0x2b0 [ 53.805309] ____cache_alloc_node+0x1cf/0x1e0 [ 53.805619] kmem_cache_alloc_trace+0x27d/0x750 [ 53.805933] ? lock_downgrade+0x990/0x990 [ 53.806217] kvm_dev_ioctl+0x216/0x1840 [ 53.806486] ? lock_release+0xd70/0xd70 [ 53.806754] ? install_new_memslots+0x420/0x420 [ 53.807077] ? avc_has_extended_perms+0x7fa/0x12c0 [ 53.807457] ? unwind_get_return_address+0x61/0xa0 [ 53.807797] ? avc_ss_reset+0x110/0x110 [ 53.808065] ? putname+0xee/0x130 [ 53.808303] ? save_stack+0xa3/0xd0 [ 53.808547] ? save_stack_trace+0x16/0x20 [ 53.808822] ? save_stack+0x43/0xd0 [ 53.809062] ? kasan_slab_free+0x71/0xc0 [ 53.809331] ? kmem_cache_free+0x77/0x280 [ 53.809604] ? putname+0xee/0x130 [ 53.809834] ? do_sys_open+0x31b/0x6d0 [ 53.810098] ? __lock_is_held+0xbc/0x140 [ 53.810386] ? check_same_owner+0x320/0x320 [ 53.810676] ? rcu_note_context_switch+0x710/0x710 [ 53.811016] ? install_new_memslots+0x420/0x420 [ 53.811326] do_vfs_ioctl+0x1b1/0x1530 [ 53.811590] ? _cond_resched+0x14/0x30 [ 53.811876] ? ioctl_preallocate+0x2b0/0x2b0 [ 53.812171] ? selinux_capable+0x40/0x40 [ 53.812442] ? putname+0xf3/0x130 [ 53.812692] ? security_file_ioctl+0x7d/0xb0 [ 53.812984] ? security_file_ioctl+0x89/0xb0 [ 53.813288] SyS_ioctl+0x8f/0xc0 [ 53.813525] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 53.813841] RIP: 0033:0x435c19 [ 53.814054] RSP: 002b:00007ffe6c329c98 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 53.814564] RAX: ffffffffffffffda RBX: 00000000006c9aa0 RCX: 0000000000435c19 [ 53.815540] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000301 [ 53.816031] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 53.816516] R10: 0000000000000000 R11: 0000000000000207 R12: fffffffffffeffff [ 53.817011] R13: 6d766b2f7665642f R14: 0000000000401fb0 R15: 0000000000000000 [ 53.932468] syzkaller375475: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 53.933358] syzkaller375475 cpuset=/ mems_allowed=0-1 [ 53.933749] CPU: 3 PID: 3076 Comm: syzkaller375475 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 53.934334] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.934907] Call Trace: [ 53.935093] dump_stack+0x194/0x257 [ 53.935351] ? arch_local_irq_restore+0x53/0x53 [ 53.935697] ? isolate_lru_page+0x11d0/0x11d0 [ 53.936017] warn_alloc+0x1c2/0x2f0 [ 53.936269] ? zone_watermark_ok_safe+0x430/0x430 [ 53.936628] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 53.936986] ? warn_alloc+0x2f0/0x2f0 [ 53.937257] ? SyS_ioctl+0x8f/0xc0 [ 53.937516] ? warn_alloc+0x2f0/0x2f0 [ 53.937786] ? save_stack_trace+0x16/0x20 [ 53.938084] ? check_noncircular+0x20/0x20 [ 53.938385] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.938764] ? find_held_lock+0x39/0x1d0 [ 53.939059] ? lock_downgrade+0x990/0x990 [ 53.939364] ? check_same_owner+0x320/0x320 [ 53.939679] ? rcu_note_context_switch+0x710/0x710 [ 53.940022] ? check_noncircular+0x20/0x20 [ 53.940313] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 53.940786] ? __might_sleep+0x95/0x190 [ 53.941069] __alloc_pages_nodemask+0x9f7/0xd80 [ 53.941396] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.941755] ? __alloc_pages_nodemask+0xae5/0xd80 [ 53.942094] ? find_held_lock+0x39/0x1d0 [ 53.942382] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.942756] ? cache_grow_begin+0x31b/0x400 [ 53.943067] cache_grow_begin+0x86/0x400 [ 53.943709] fallback_alloc+0x150/0x2b0 [ 53.943991] ____cache_alloc_node+0x1cf/0x1e0 [ 53.944309] kmem_cache_alloc_trace+0x27d/0x750 [ 53.944633] ? lock_downgrade+0x990/0x990 [ 53.944931] kvm_dev_ioctl+0x216/0x1840 [ 53.945209] ? lock_release+0xd70/0xd70 [ 53.945490] ? install_new_memslots+0x420/0x420 [ 53.945824] ? avc_has_extended_perms+0x7fa/0x12c0 [ 53.946165] ? unwind_get_return_address+0x61/0xa0 [ 53.946443] syzkaller375475: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 53.946460] syzkaller375475 cpuset=/ mems_allowed=0-1 [ 53.947955] ? avc_ss_reset+0x110/0x110 [ 53.948306] ? putname+0xee/0x130 [ 53.948622] ? save_stack+0xa3/0xd0 [ 53.949025] ? save_stack_trace+0x16/0x20 [ 53.949516] ? save_stack+0x43/0xd0 [ 53.949892] ? kasan_slab_free+0x71/0xc0 [ 53.950265] ? kmem_cache_free+0x77/0x280 [ 53.950653] ? putname+0xee/0x130 [ 53.950943] ? do_sys_open+0x31b/0x6d0 [ 53.951231] ? __lock_is_held+0xbc/0x140 [ 53.951584] ? check_same_owner+0x320/0x320 [ 53.951946] ? rcu_note_context_switch+0x710/0x710 [ 53.952355] ? install_new_memslots+0x420/0x420 [ 53.952753] do_vfs_ioctl+0x1b1/0x1530 [ 53.953154] ? _cond_resched+0x14/0x30 [ 53.953524] ? ioctl_preallocate+0x2b0/0x2b0 [ 53.953886] ? selinux_capable+0x40/0x40 [ 53.954215] ? putname+0xf3/0x130 [ 53.954584] ? security_file_ioctl+0x7d/0xb0 [ 53.954965] ? security_file_ioctl+0x89/0xb0 [ 53.955318] SyS_ioctl+0x8f/0xc0 [ 53.955634] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 53.956015] RIP: 0033:0x435c19 [ 53.956227] RSP: 002b:00007ffe6c329c98 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 53.956752] RAX: ffffffffffffffda RBX: 00000000006c9aa0 RCX: 0000000000435c19 [ 53.957208] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002d7 [ 53.957693] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 53.958174] R10: 0000000000000000 R11: 0000000000000203 R12: fffffffffffeffff [ 53.958660] R13: 6d766b2f7665642f R14: 0000000000401fb0 R15: 0000000000000000 [ 53.959158] CPU: 1 PID: 3068 Comm: syzkaller375475 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 53.959854] syzkaller375475: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 53.959869] syzkaller375475 cpuset=/ mems_allowed=0-1 [ 53.962421] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.963430] Call Trace: [ 53.963728] dump_stack+0x194/0x257 [ 53.964108] ? arch_local_irq_restore+0x53/0x53 [ 53.964589] ? isolate_lru_page+0x11d0/0x11d0 [ 53.965557] warn_alloc+0x1c2/0x2f0 [ 53.965861] ? zone_watermark_ok_safe+0x430/0x430 [ 53.966346] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 53.966802] ? warn_alloc+0x2f0/0x2f0 [ 53.967100] ? SyS_ioctl+0x8f/0xc0 [ 53.967495] ? warn_alloc+0x2f0/0x2f0 [ 53.967851] ? save_stack_trace+0x16/0x20 [ 53.968286] ? check_noncircular+0x20/0x20 [ 53.968837] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.969386] ? find_held_lock+0x39/0x1d0 [ 53.969817] ? lock_downgrade+0x990/0x990 [ 53.970263] ? check_same_owner+0x320/0x320 [ 53.970711] ? rcu_note_context_switch+0x710/0x710 [ 53.971215] ? check_noncircular+0x20/0x20 [ 53.971605] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 53.972241] ? __might_sleep+0x95/0x190 [ 53.972659] __alloc_pages_nodemask+0x9f7/0xd80 [ 53.973144] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.973656] ? __alloc_pages_nodemask+0xae5/0xd80 [ 53.974143] ? find_held_lock+0x39/0x1d0 [ 53.974552] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.975102] ? cache_grow_begin+0x31b/0x400 [ 53.975564] cache_grow_begin+0x86/0x400 [ 53.975994] fallback_alloc+0x150/0x2b0 [ 53.976415] ____cache_alloc_node+0x1cf/0x1e0 [ 53.976873] kmem_cache_alloc_trace+0x27d/0x750 [ 53.977341] ? lock_downgrade+0x990/0x990 [ 53.977791] kvm_dev_ioctl+0x216/0x1840 [ 53.978165] ? lock_release+0xd70/0xd70 [ 53.978516] ? install_new_memslots+0x420/0x420 [ 53.978937] ? avc_has_extended_perms+0x7fa/0x12c0 [ 53.979359] ? unwind_get_return_address+0x61/0xa0 [ 53.979872] ? avc_ss_reset+0x110/0x110 [ 53.980259] ? putname+0xee/0x130 [ 53.980606] ? save_stack+0xa3/0xd0 [ 53.980979] ? save_stack_trace+0x16/0x20 [ 53.981395] ? save_stack+0x43/0xd0 [ 53.981749] ? kasan_slab_free+0x71/0xc0 [ 53.982167] ? kmem_cache_free+0x77/0x280 [ 53.982584] ? putname+0xee/0x130 [ 53.982923] ? do_sys_open+0x31b/0x6d0 [ 53.983332] ? __lock_is_held+0xbc/0x140 [ 53.983771] ? check_same_owner+0x320/0x320 [ 53.984178] ? rcu_note_context_switch+0x710/0x710 [ 53.984597] ? install_new_memslots+0x420/0x420 [ 53.984986] do_vfs_ioctl+0x1b1/0x1530 [ 53.985323] ? _cond_resched+0x14/0x30 [ 53.985653] ? ioctl_preallocate+0x2b0/0x2b0 [ 53.986021] ? selinux_capable+0x40/0x40 [ 53.986389] ? putname+0xf3/0x130 [ 53.986768] ? security_file_ioctl+0x7d/0xb0 [ 53.987212] ? security_file_ioctl+0x89/0xb0 [ 53.987959] SyS_ioctl+0x8f/0xc0 [ 53.988318] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 53.988794] RIP: 0033:0x435c19 [ 53.989118] RSP: 002b:00007ffe6c329c98 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 53.989883] RAX: ffffffffffffffda RBX: 00000000006c9aa0 RCX: 0000000000435c19 [ 53.990614] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002fb [ 53.991343] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 53.992084] R10: 0000000000000000 R11: 0000000000000207 R12: fffffffffffeffff [ 53.992817] R13: 6d766b2f7665642f R14: 0000000000401fb0 R15: 0000000000000000 [ 53.993539] CPU: 0 PID: 3059 Comm: syzkaller375475 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 53.994185] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.994762] Call Trace: [ 53.994939] dump_stack+0x194/0x257 [ 53.995186] ? arch_local_irq_restore+0x53/0x53 [ 53.995513] ? flush_work+0x621/0x930 [ 53.995772] warn_alloc+0x1c2/0x2f0 [ 53.996016] ? zone_watermark_ok_safe+0x430/0x430 [ 53.996336] ? mutex_unlock+0xd/0x10 [ 53.996601] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 53.996958] ? warn_alloc+0x2f0/0x2f0 [ 53.997214] ? SyS_ioctl+0x8f/0xc0 [ 53.997456] ? warn_alloc+0x2f0/0x2f0 [ 53.997713] ? save_stack_trace+0x16/0x20 [ 53.997998] ? check_noncircular+0x20/0x20 [ 53.998285] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.998640] ? find_held_lock+0x39/0x1d0 [ 53.998932] ? lock_downgrade+0x990/0x990 [ 53.999279] ? check_same_owner+0x320/0x320 [ 53.999599] ? rcu_note_context_switch+0x710/0x710 [ 53.999928] ? check_noncircular+0x20/0x20 [ 54.000237] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 54.000709] ? __might_sleep+0x95/0x190 [ 54.001019] __alloc_pages_nodemask+0x9f7/0xd80 [ 54.001354] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 54.001724] ? __alloc_pages_nodemask+0xae5/0xd80 [ 54.002069] ? find_held_lock+0x39/0x1d0 [ 54.002347] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 54.002700] ? cache_grow_begin+0x31b/0x400 [ 54.002996] cache_grow_begin+0x86/0x400 [ 54.003273] fallback_alloc+0x150/0x2b0 [ 54.003550] ____cache_alloc_node+0x1cf/0x1e0 [ 54.003855] kmem_cache_alloc_trace+0x27d/0x750 [ 54.004168] ? lock_downgrade+0x990/0x990 [ 54.004455] kvm_dev_ioctl+0x216/0x1840 [ 54.004725] ? lock_release+0xd70/0xd70 [ 54.004997] ? install_new_memslots+0x420/0x420 [ 54.005336] ? avc_has_extended_perms+0x7fa/0x12c0 [ 54.005673] ? unwind_get_return_address+0x61/0xa0 [ 54.006002] ? avc_ss_reset+0x110/0x110 [ 54.006284] ? putname+0xee/0x130 [ 54.006517] ? save_stack+0xa3/0xd0 [ 54.006763] ? save_stack_trace+0x16/0x20 [ 54.007043] ? save_stack+0x43/0xd0 [ 54.007686] ? kasan_slab_free+0x71/0xc0 [ 54.008043] ? kmem_cache_free+0x77/0x280 [ 54.008317] ? putname+0xee/0x130 [ 54.008620] ? do_sys_open+0x31b/0x6d0 [ 54.008883] ? __lock_is_held+0xbc/0x140 [ 54.009247] ? check_same_owner+0x320/0x320 [ 54.009534] ? rcu_note_context_switch+0x710/0x710 [ 54.009965] ? install_new_memslots+0x420/0x420 [ 54.010273] do_vfs_ioctl+0x1b1/0x1530 [ 54.010611] ? _cond_resched+0x14/0x30 [ 54.010874] ? ioctl_preallocate+0x2b0/0x2b0 [ 54.011261] ? selinux_capable+0x40/0x40 [ 54.011530] ? putname+0xf3/0x130 [ 54.011814] ? security_file_ioctl+0x7d/0xb0 [ 54.012107] ? security_file_ioctl+0x89/0xb0 [ 54.012493] SyS_ioctl+0x8f/0xc0 [ 54.012724] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 54.013135] RIP: 0033:0x435c19 [ 54.013346] RSP: 002b:00007ffe6c329c98 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 54.014007] RAX: ffffffffffffffda RBX: 00000000006c9aa0 RCX: 0000000000435c19 [ 54.014470] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000322 [ 54.015093] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 54.015540] R10: 0000000000000000 R11: 0000000000000207 R12: fffffffffffeffff [ 54.016007] R13: 6d766b2f7665642f R14: 0000000000401fb0 R15: 0000000000000000 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 55.038770] udevd invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=-1000 [ 55.042748] udevd cpuset=/ mems_allowed=0-1 [ 55.043652] CPU: 0 PID: 3032 Comm: udevd Not tainted 4.13.0-rc6-next-20170825+ #9 [ 55.045147] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 55.046578] Call Trace: [ 55.047063] dump_stack+0x194/0x257 [ 55.047712] ? arch_local_irq_restore+0x53/0x53 [ 55.048534] ? check_noncircular+0x20/0x20 [ 55.049290] dump_header+0x234/0xa0e [ 55.049959] ? pagefault_out_of_memory+0x152/0x152 [ 55.050835] ? lock_acquire+0x1d5/0x580 [ 55.051536] ? ___ratelimit+0x152/0x630 [ 55.053196] ? do_raw_spin_trylock+0x190/0x190 [ 55.054107] ? mark_held_locks+0xb2/0x100 [ 55.054845] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 55.055640] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 55.056148] ? trace_hardirqs_on+0xd/0x10 [ 55.056565] ? ___ratelimit+0x95/0x630 [ 55.056975] ? idr_get_free+0xff0/0xff0 [ 55.057381] ? lock_downgrade+0x990/0x990 [ 55.057801] ? cred_has_capability+0x1a0/0x3d0 [ 55.058270] oom_kill_process+0x86d/0x13d0 [ 55.058693] ? lock_release+0xd70/0xd70 [ 55.059087] ? oom_evaluate_task+0x480/0x480 [ 55.059568] ? security_capable_noaudit+0x8b/0xc0 [ 55.060180] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 55.060697] ? check_noncircular+0x20/0x20 [ 55.061119] ? has_capability+0x30/0x30 [ 55.061539] ? has_capability_noaudit+0x24/0x30 [ 55.062011] ? oom_badness+0xdf/0xb80 [ 55.062419] ? find_held_lock+0x39/0x1d0 [ 55.062844] ? lock_downgrade+0x990/0x990 [ 55.063277] ? oom_unkillable_task+0x33d/0x4c0 [ 55.063717] ? out_of_memory+0x8c1/0x11d0 [ 55.064147] ? oom_reaper+0x4d0/0x4d0 [ 55.064539] ? lock_release+0xd70/0xd70 [ 55.064938] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 55.065451] ? oom_evaluate_task+0x284/0x480 [ 55.065914] out_of_memory+0x7dd/0x11d0 [ 55.066366] ? oom_killer_disable+0x310/0x310 [ 55.066802] ? mutex_trylock+0x23a/0x2d0 [ 55.067228] ? rcu_pm_notify+0xc0/0xc0 [ 55.067655] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 55.068282] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 55.068836] ? warn_alloc+0x2f0/0x2f0 [ 55.069238] ? SyS_readlink+0x12d/0x3a0 [ 55.069668] ? warn_alloc+0x2f0/0x2f0 [ 55.070076] ? save_stack_trace+0x16/0x20 [ 55.070513] ? __check_object_size+0x25d/0x4f0 [ 55.070989] ? skb_to_sgvec_nomark+0x40/0x40 [ 55.071446] ? check_noncircular+0x20/0x20 [ 55.071883] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 55.072429] ? lock_downgrade+0x990/0x990 [ 55.072863] ? find_held_lock+0x39/0x1d0 [ 55.073366] ? check_same_owner+0x320/0x320 [ 55.073769] ? __do_fault+0x2d5/0x30f [ 55.074164] ? __might_sleep+0x95/0x190 [ 55.074520] __alloc_pages_nodemask+0x9f7/0xd80 [ 55.076033] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.076534] ? __alloc_pages_nodemask+0xae5/0xd80 [ 55.077048] ? find_held_lock+0x39/0x1d0 [ 55.077461] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.077990] ? cache_grow_begin+0x31b/0x400 [ 55.078432] cache_grow_begin+0x86/0x400 [ 55.078832] fallback_alloc+0x150/0x2b0 [ 55.079208] ____cache_alloc_node+0x1cf/0x1e0 [ 55.079603] kmem_cache_alloc+0x287/0x760 [ 55.079956] ? up_read+0x1a/0x40 [ 55.080255] getname_flags+0xcb/0x580 [ 55.080593] user_path_at_empty+0x2d/0x50 [ 55.081152] SyS_readlink+0x12d/0x3a0 [ 55.081483] ? SyS_readlinkat+0x3b0/0x3b0 [ 55.081821] ? entry_SYSCALL_64_fastpath+0x5/0xbe [ 55.082222] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 55.082646] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 55.083058] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 55.083845] RIP: 0033:0x7f5f5e2f9577 [ 55.084243] RSP: 002b:00007ffc065c2fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 [ 55.084876] RAX: ffffffffffffffda RBX: 000000000141a030 RCX: 00007f5f5e2f9577 [ 55.085458] RDX: 0000000000000400 RSI: 00007ffc065c2ff0 RDI: 00007ffc065c34d0 [ 55.086042] RBP: 0000000000000086 R08: 6d766b2f6373696d R09: 000000000000000d [ 55.086632] R10: 001ca1b949800000 R11: 0000000000000246 R12: 00007ffc065c34d0 [ 55.087638] R13: 0000000000000400 R14: 000000000141a030 R15: 000000000000000b [ 55.088986] Mem-Info: [ 55.089535] active_anon:2428 inactive_anon:42 isolated_anon:0 [ 55.089535] active_file:103 inactive_file:109 isolated_file:73 [ 55.089535] unevictable:0 dirty:0 writeback:0 unstable:0 [ 55.089535] slab_reclaimable:49075 slab_unreclaimable:314078 [ 55.089535] mapped:215 shmem:81 pagetables:316 bounce:0 [ 55.089535] free:17744 free_pcp:383 free_cma:0 [ 55.092550] Node 0 active_anon:5032kB inactive_anon:60kB active_file:48kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 55.095253] Node 1 active_anon:4680kB inactive_anon:108kB active_file:364kB inactive_file:352kB unevictable:0kB isolated(anon):0kB isolated(file):164kB mapped:668kB dirty:0kB writeback:0kB shmem:208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 55.099391] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:40kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:704kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 55.104166] lowmem_reserve[]: 0 886 886 886 [ 55.105095] Node 0 DMA32 free:36508kB min:36536kB low:45668kB high:54800kB active_anon:4992kB inactive_anon:60kB active_file:172kB inactive_file:216kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:47232kB pagetables:636kB bounce:0kB free_pcp:300kB local_pcp:300kB free_cma:0kB [ 55.110268] lowmem_reserve[]: 0 0 0 0 [ 55.110992] Node 1 DMA32 free:30284kB min:30404kB low:38004kB high:45604kB active_anon:4680kB inactive_anon:108kB active_file:412kB inactive_file:740kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:42272kB pagetables:628kB bounce:0kB free_pcp:1360kB local_pcp:0kB free_cma:0kB [ 55.115558] lowmem_reserve[]: 0 0 0 0 [ 55.116260] Node 0 DMA: 8*4kB (UM) 5*8kB (UME) 17*16kB (UME) 6*32kB (UME) 3*64kB (U) 1*128kB (M) 1*256kB (M) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4184kB [ 55.118455] Node 0 DMA32: 450*4kB (UME) 233*8kB (ME) 130*16kB (UME) 196*32kB (UME) 71*64kB (UM) 11*128kB (M) 23*256kB (UME) 2*512kB (UM) 1*1024kB (M) 1*2048kB (M) 2*4096kB (M) = 36144kB [ 55.120353] Node 1 DMA32: 254*4kB (UME) 30*8kB (UMEH) 714*16kB (UMEH) 212*32kB (UMEH) 168*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30216kB [ 55.121931] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 55.122805] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 55.123653] 320 total pagecache pages [ 55.123988] 0 pages in swap cache [ 55.124306] Swap cache stats: add 0, delete 0, find 0/0 [ 55.124770] Free swap = 0kB [ 55.125057] Total swap = 0kB [ 55.125321] 524186 pages RAM [ 55.125582] 0 pages HighMem/MovableOnly [ 55.125920] 103968 pages reserved [ 55.126255] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 55.127047] [ 1525] 0 1525 6471 1251 18 3 0 -1000 udevd [ 55.127810] [ 2937] 0 2937 14240 163 24 3 0 0 rsyslogd [ 55.128619] [ 2974] 0 2974 4725 49 15 3 0 0 cron [ 55.129395] [ 3000] 0 3000 12490 152 29 3 0 -1000 sshd [ 55.130152] [ 3025] 0 3025 3694 41 13 3 0 0 getty [ 55.130875] [ 3026] 0 3026 3694 39 12 3 0 0 getty [ 55.131552] [ 3027] 0 3027 3694 42 13 3 0 0 getty [ 55.132421] [ 3028] 0 3028 3694 41 13 3 0 0 getty [ 55.133364] [ 3029] 0 3029 3694 39 11 3 0 0 getty [ 55.134299] [ 3030] 0 3030 3694 41 13 3 0 0 getty [ 55.135248] [ 3031] 0 3031 3649 40 13 3 0 0 getty [ 55.136816] [ 3032] 0 3032 5348 151 14 3 0 -1000 udevd [ 55.137722] [ 3033] 0 3033 5348 152 14 3 0 -1000 udevd [ 55.139805] [ 3053] 0 3053 17820 196 40 3 0 0 sshd [ 55.140500] [ 3056] 0 3056 276 13 4 2 0 0 syzkaller375475 [ 55.141691] [ 3057] 0 3057 276 13 4 2 0 0 syzkaller375475 [ 55.142554] [ 3058] 0 3058 276 13 4 2 0 0 syzkaller375475 [ 55.143557] [ 3059] 0 3059 4371 13 7 2 0 0 syzkaller375475 [ 55.144924] [ 3060] 0 3060 4371 29 5 2 0 0 syzkaller375475 [ 55.146442] [ 3061] 0 3061 276 13 4 2 0 0 syzkaller375475 [ 55.147893] [ 3062] 0 3062 276 13 4 2 0 0 syzkaller375475 [ 55.148898] [ 3064] 0 3064 276 13 4 2 0 0 syzkaller375475 [ 55.149844] [ 3065] 0 3065 276 13 4 2 0 0 syzkaller375475 [ 55.150577] [ 3066] 0 3066 4371 29 4 2 0 0 syzkaller375475 [ 55.151248] [ 3067] 0 3067 4371 13 5 2 0 0 syzkaller375475 [ 55.152223] [ 3068] 0 3068 4371 13 5 2 0 0 syzkaller375475 [ 55.153208] [ 3076] 0 3076 4371 27 5 2 0 0 syzkaller375475 [ 55.154145] [ 3080] 0 3080 4371 13 5 2 0 0 syzkaller375475 [ 55.155510] Out of memory: Kill process 3053 (sshd) score 0 or sacrifice child [ 55.156339] Killed process 3053 (sshd) total-vm:71280kB, anon-rss:780kB, file-rss:0kB, shmem-rss:4kB Connection to localhost closed by remote host. [ 55.161693] sshd (3053) used greatest stack depth: 9000 bytes left [ 55.344762] kthreadd invoked oom-killer: gfp_mask=0x17080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK), nodemask=(null), order=3, oom_score_adj=0 [ 55.347473] kthreadd cpuset=/ mems_allowed=0-1 [ 55.348388] CPU: 3 PID: 2 Comm: kthreadd Not tainted 4.13.0-rc6-next-20170825+ #9 [ 55.349684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 55.350701] Call Trace: [ 55.350987] dump_stack+0x194/0x257 [ 55.352878] ? arch_local_irq_restore+0x53/0x53 [ 55.353876] ? check_noncircular+0x20/0x20 [ 55.354551] dump_header+0x234/0xa0e [ 55.355001] ? pagefault_out_of_memory+0x152/0x152 [ 55.356079] ? lock_acquire+0x1d5/0x580 [ 55.356803] ? ___ratelimit+0x152/0x630 [ 55.357653] ? do_raw_spin_trylock+0x190/0x190 [ 55.358519] ? mark_held_locks+0xb2/0x100 [ 55.359391] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 55.360500] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 55.361506] ? trace_hardirqs_on+0xd/0x10 [ 55.362244] ? ___ratelimit+0x95/0x630 [ 55.363199] ? idr_get_free+0xff0/0xff0 [ 55.363931] ? lock_downgrade+0x990/0x990 [ 55.364790] ? cred_has_capability+0x1a0/0x3d0 [ 55.365851] oom_kill_process+0x86d/0x13d0 [ 55.366665] ? lock_release+0xd70/0xd70 [ 55.367724] ? oom_evaluate_task+0x480/0x480 [ 55.368632] ? security_capable_noaudit+0x8b/0xc0 [ 55.369519] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 55.370293] ? check_noncircular+0x20/0x20 [ 55.371207] ? has_capability+0x30/0x30 [ 55.371858] ? has_capability_noaudit+0x24/0x30 [ 55.372347] ? oom_badness+0xdf/0xb80 [ 55.372968] ? find_held_lock+0x39/0x1d0 [ 55.374093] ? lock_downgrade+0x990/0x990 [ 55.375004] ? oom_unkillable_task+0x33d/0x4c0 [ 55.375786] ? out_of_memory+0x8c1/0x11d0 [ 55.376384] ? oom_reaper+0x4d0/0x4d0 [ 55.376817] ? lock_release+0xd70/0xd70 [ 55.377262] ? blocking_notifier_call_chain+0x112/0x190 [ 55.377846] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 55.378373] ? oom_evaluate_task+0x284/0x480 [ 55.378864] out_of_memory+0x7dd/0x11d0 [ 55.379323] ? oom_killer_disable+0x310/0x310 [ 55.380380] ? mutex_trylock+0x23a/0x2d0 [ 55.381465] ? rcu_pm_notify+0xc0/0xc0 [ 55.382463] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 55.383662] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 55.384655] ? warn_alloc+0x2f0/0x2f0 [ 55.385557] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 55.386733] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 55.387737] ? check_noncircular+0x20/0x20 [ 55.388805] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 55.389899] ? unwind_dump+0x4c0/0x4c0 [ 55.390820] ? unwind_dump+0x4c0/0x4c0 [ 55.391715] ? find_held_lock+0x39/0x1d0 [ 55.392638] ? check_same_owner+0x320/0x320 [ 55.393633] ? ret_from_fork+0x2a/0x40 [ 55.394972] ? __might_sleep+0x95/0x190 [ 55.395847] __alloc_pages_nodemask+0x9f7/0xd80 [ 55.396993] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.398002] ? _raw_spin_unlock+0x22/0x30 [ 55.398951] ? ____cache_alloc_node+0x102/0x1e0 [ 55.399965] ? fallback_alloc+0xf9/0x2b0 [ 55.400850] ? rcu_pm_notify+0xc0/0xc0 [ 55.401855] ? copy_process.part.35+0x1a6a/0x4af0 [ 55.402871] ? rcu_read_lock_sched_held+0x108/0x120 [ 55.403877] ? __save_stack_trace+0x6e/0xd0 [ 55.404690] copy_process.part.35+0x420/0x4af0 [ 55.405707] ? save_stack_trace+0x16/0x20 [ 55.406507] ? __lock_acquire+0x20f4/0x4620 [ 55.407330] ? kthread_create_on_node+0x100/0x100 [ 55.408402] ? __cleanup_sighand+0x40/0x40 [ 55.409235] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 55.410345] ? ret_from_fork+0x2a/0x40 [ 55.411093] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 55.412102] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 55.413052] ? unwind_dump+0x4c0/0x4c0 [ 55.413814] ? check_noncircular+0x20/0x20 [ 55.414644] ? unwind_dump+0x4c0/0x4c0 [ 55.416157] ? __unwind_start+0x169/0x330 [ 55.417329] ? unwind_next_frame+0x3e/0x50 [ 55.418431] ? __save_stack_trace+0x6e/0xd0 [ 55.419323] ? ret_from_fork+0x2a/0x40 [ 55.420167] ? save_stack_trace+0x16/0x20 [ 55.420983] ? __lock_acquire+0x20f4/0x4620 [ 55.421995] ? check_noncircular+0x20/0x20 [ 55.422875] ? lock_acquire+0x1d5/0x580 [ 55.423698] ? pick_next_task_fair+0xad1/0x1610 [ 55.424658] ? find_held_lock+0x39/0x1d0 [ 55.425655] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 55.426697] ? lock_downgrade+0x990/0x990 [ 55.427585] ? lock_acquire+0x1d5/0x580 [ 55.428634] ? finish_task_switch+0x1aa/0x740 [ 55.429693] ? do_raw_spin_trylock+0x190/0x190 [ 55.430852] ? lock_release+0xd70/0xd70 [ 55.431783] ? compat_start_thread+0x80/0x80 [ 55.432835] ? check_noncircular+0x20/0x20 [ 55.433720] ? _raw_spin_unlock_irq+0x27/0x70 [ 55.434642] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 55.435825] ? trace_hardirqs_on+0xd/0x10 [ 55.436752] ? _raw_spin_unlock_irq+0x27/0x70 [ 55.438262] ? finish_task_switch+0x1d3/0x740 [ 55.439394] ? finish_task_switch+0x1aa/0x740 [ 55.440280] ? preempt_notifier_dec+0x20/0x20 [ 55.441185] ? check_noncircular+0x20/0x20 [ 55.441990] _do_fork+0x1ef/0xfe0 [ 55.442675] ? kthread_create_on_node+0x100/0x100 [ 55.443646] ? fork_idle+0x2d0/0x2d0 [ 55.444510] ? retint_kernel+0x10/0x10 [ 55.445482] ? find_held_lock+0x39/0x1d0 [ 55.446437] ? lock_downgrade+0x990/0x990 [ 55.447343] ? kthreadd+0x476/0x870 [ 55.448060] ? do_raw_spin_trylock+0x190/0x190 [ 55.448937] ? retint_kernel+0x10/0x10 [ 55.449746] ? kthread_create_on_node+0x100/0x100 [ 55.450646] kernel_thread+0x34/0x40 [ 55.451357] kthreadd+0x67e/0x870 [ 55.452047] ? kthread_create_on_cpu+0x250/0x250 [ 55.452987] ? _raw_spin_unlock_irq+0x27/0x70 [ 55.453881] ? trace_hardirqs_on+0xd/0x10 [ 55.454667] ? _raw_spin_unlock_irq+0x27/0x70 [ 55.455518] ? finish_task_switch+0x1d3/0x740 [ 55.456104] ? finish_task_switch+0x1aa/0x740 [ 55.457220] ? preempt_notifier_dec+0x20/0x20 [ 55.459022] ? kthread_create_on_cpu+0x250/0x250 [ 55.460084] ? kthread_create_on_cpu+0x250/0x250 [ 55.461100] ret_from_fork+0x2a/0x40 [ 55.462045] Mem-Info: [ 55.463536] active_anon:2233 inactive_anon:41 isolated_anon:0 [ 55.463536] active_file:23 inactive_file:8 isolated_file:8 [ 55.463536] unevictable:0 dirty:0 writeback:0 unstable:0 [ 55.463536] slab_reclaimable:49077 slab_unreclaimable:314097 [ 55.463536] mapped:30 shmem:80 pagetables:276 bounce:0 [ 55.463536] free:17874 free_pcp:496 free_cma:0 [ 55.470079] Node 0 active_anon:4252kB inactive_anon:56kB active_file:68kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:88kB dirty:0kB writeback:0kB shmem:112kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 55.475827] Node 1 active_anon:4680kB inactive_anon:108kB active_file:40kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 55.481065] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:40kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:704kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 55.485620] lowmem_reserve[]: 0 886 886 886 [ 55.486167] Node 0 DMA32 free:36644kB min:36536kB low:45668kB high:54800kB active_anon:4212kB inactive_anon:56kB active_file:292kB inactive_file:180kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:47232kB pagetables:476kB bounce:0kB free_pcp:368kB local_pcp:16kB free_cma:0kB [ 55.489830] lowmem_reserve[]: 0 0 0 0 [ 55.490298] Node 1 DMA32 free:30548kB min:30404kB low:38004kB high:45604kB active_anon:4680kB inactive_anon:108kB active_file:112kB inactive_file:92kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:42240kB pagetables:628kB bounce:0kB free_pcp:1660kB local_pcp:528kB free_cma:0kB [ 55.493620] lowmem_reserve[]: 0 0 0 0 [ 55.494394] Node 0 DMA: 8*4kB (UM) 5*8kB (UME) 17*16kB (UME) 6*32kB (UME) 3*64kB (U) 1*128kB (M) 1*256kB (M) 2*512kB (ME) 2*1024kB (UM) 0*2048kB 0*4096kB = 4184kB [ 55.497314] Node 0 DMA32: 467*4kB (UME) 259*8kB (UME) 136*16kB (UME) 194*32kB (UME) 74*64kB (UM) 13*128kB (UM) 22*256kB (UME) 2*512kB (UM) 1*1024kB (M) 1*2048kB (M) 2*4096kB (M) = 36644kB [ 55.500084] Node 1 DMA32: 255*4kB (UME) 45*8kB (UMEH) 723*16kB (UMEH) 220*32kB (UMEH) 165*64kB (UMH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30548kB [ 55.502362] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 55.503314] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 55.504260] 138 total pagecache pages [ 55.504676] 0 pages in swap cache [ 55.505081] Swap cache stats: add 0, delete 0, find 0/0 [ 55.505676] Free swap = 0kB [ 55.505993] Total swap = 0kB [ 55.506363] 524186 pages RAM [ 55.506685] 0 pages HighMem/MovableOnly [ 55.507125] 103968 pages reserved [ 55.507529] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 55.508508] [ 1525] 0 1525 6471 1251 18 3 0 -1000 udevd [ 55.509397] [ 2937] 0 2937 14240 163 24 3 0 0 rsyslogd [ 55.510231] [ 2974] 0 2974 4725 48 15 3 0 0 cron [ 55.511082] [ 3000] 0 3000 12490 152 29 3 0 -1000 sshd [ 55.511915] [ 3025] 0 3025 3694 41 13 3 0 0 getty [ 55.512801] [ 3026] 0 3026 3694 39 12 3 0 0 getty [ 55.513656] [ 3027] 0 3027 3694 42 13 3 0 0 getty [ 55.514499] [ 3028] 0 3028 3694 41 13 3 0 0 getty [ 55.515327] [ 3029] 0 3029 3694 39 11 3 0 0 getty [ 55.516196] [ 3030] 0 3030 3694 41 13 3 0 0 getty [ 55.517043] [ 3031] 0 3031 3649 40 13 3 0 0 getty [ 55.517877] [ 3032] 0 3032 5348 151 14 3 0 -1000 udevd [ 55.518738] [ 3033] 0 3033 5348 152 14 3 0 -1000 udevd [ 55.519616] [ 3056] 0 3056 276 13 4 2 0 0 syzkaller375475 [ 55.520561] [ 3057] 0 3057 276 13 4 2 0 0 syzkaller375475 [ 55.521492] [ 3058] 0 3058 276 13 4 2 0 0 syzkaller375475 [ 55.524069] [ 3059] 0 3059 4371 13 7 2 0 0 syzkaller375475 [ 55.525161] [ 3060] 0 3060 4371 13 5 2 0 0 syzkaller375475 [ 55.526491] [ 3061] 0 3061 276 13 4 2 0 0 syzkaller375475 [ 55.527601] [ 3062] 0 3062 276 13 4 2 0 0 syzkaller375475 [ 55.528758] [ 3064] 0 3064 276 13 4 2 0 0 syzkaller375475 [ 55.530071] [ 3065] 0 3065 276 13 4 2 0 0 syzkaller375475 [ 55.531213] [ 3066] 0 3066 4371 13 5 2 0 0 syzkaller375475 [ 55.532322] [ 3067] 0 3067 4371 13 5 2 0 0 syzkaller375475 [ 55.533534] [ 3068] 0 3068 4371 13 5 2 0 0 syzkaller375475 [ 55.534668] [ 3076] 0 3076 4371 13 5 2 0 0 syzkaller375475 [ 55.535837] [ 3080] 0 3080 4371 13 5 2 0 0 syzkaller375475 [ 55.537948] Out of memory: Kill process 2937 (rsyslogd) score 0 or sacrifice child [ 55.543588] Killed process 2937 (rsyslogd) total-vm:56960kB, anon-rss:652kB, file-rss:0kB, shmem-rss:0kB [ 55.549798] oom_reaper: reaped process 2937 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB