executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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: [ 151.063399] syzkaller996775: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 151.065300] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 151.066070] CPU: 2 PID: 3043 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 151.067141] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 151.068222] Call Trace: [ 151.068463] dump_stack+0x194/0x257 [ 151.068886] ? arch_local_irq_restore+0x53/0x53 [ 151.069297] ? isolate_lru_page+0x11d0/0x11d0 [ 151.069775] warn_alloc+0x1c2/0x2f0 [ 151.070115] ? zone_watermark_ok_safe+0x430/0x430 [ 151.070559] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 151.071018] ? warn_alloc+0x2f0/0x2f0 [ 151.071357] ? SyS_ioctl+0x8f/0xc0 [ 151.071675] ? warn_alloc+0x2f0/0x2f0 [ 151.072013] ? save_stack_trace+0x16/0x20 [ 151.072388] ? check_noncircular+0x20/0x20 [ 151.072770] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 151.073250] ? find_held_lock+0x39/0x1d0 [ 151.073617] ? lock_downgrade+0x990/0x990 [ 151.074001] ? check_same_owner+0x320/0x320 [ 151.074385] ? rcu_note_context_switch+0x710/0x710 [ 151.075290] ? check_noncircular+0x20/0x20 [ 151.075635] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 151.076177] ? __might_sleep+0x95/0x190 [ 151.076534] __alloc_pages_nodemask+0x9f7/0xd80 [ 151.077218] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 151.077563] ? __alloc_pages_nodemask+0xae5/0xd80 [ 151.077885] ? find_held_lock+0x39/0x1d0 [ 151.078179] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 151.078552] ? cache_grow_begin+0x31b/0x400 [ 151.078848] cache_grow_begin+0x86/0x400 [ 151.079196] fallback_alloc+0x150/0x2b0 [ 151.079516] ____cache_alloc_node+0x1cf/0x1e0 [ 151.079833] kmem_cache_alloc_trace+0x27d/0x750 [ 151.080157] ? lock_downgrade+0x990/0x990 [ 151.080459] kvm_dev_ioctl+0x216/0x1840 [ 151.080753] ? lock_release+0xd70/0xd70 [ 151.081041] ? install_new_memslots+0x420/0x420 [ 151.081443] ? avc_has_extended_perms+0x7fa/0x12c0 [ 151.081784] ? unwind_get_return_address+0x61/0xa0 [ 151.082228] ? avc_ss_reset+0x110/0x110 [ 151.082507] ? putname+0xee/0x130 [ 151.082818] ? save_stack+0xa3/0xd0 [ 151.083135] ? save_stack_trace+0x16/0x20 [ 151.083510] ? save_stack+0x43/0xd0 [ 151.083830] ? kasan_slab_free+0x71/0xc0 [ 151.084141] ? kmem_cache_free+0x77/0x280 [ 151.084495] ? putname+0xee/0x130 [ 151.084797] ? do_sys_open+0x31b/0x6d0 [ 151.085160] ? __lock_is_held+0xbc/0x140 [ 151.085538] ? check_same_owner+0x320/0x320 [ 151.085955] ? rcu_note_context_switch+0x710/0x710 [ 151.086395] ? install_new_memslots+0x420/0x420 [ 151.086841] do_vfs_ioctl+0x1b1/0x1530 [ 151.087266] ? _cond_resched+0x14/0x30 [ 151.087652] ? ioctl_preallocate+0x2b0/0x2b0 [ 151.088046] ? selinux_capable+0x40/0x40 [ 151.088416] ? putname+0xf3/0x130 [ 151.088750] ? security_file_ioctl+0x7d/0xb0 [ 151.089153] ? security_file_ioctl+0x89/0xb0 [ 151.089549] SyS_ioctl+0x8f/0xc0 [ 151.089878] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 151.090301] RIP: 0033:0x435369 [ 151.090587] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 151.091300] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 151.091965] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000325 [ 151.092589] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 151.093222] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 151.093858] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 151.094641] Mem-Info: [ 151.095161] active_anon:3539 inactive_anon:43 isolated_anon:0 [ 151.095161] active_file:218 inactive_file:195 isolated_file:23 [ 151.095161] unevictable:0 dirty:9 writeback:0 unstable:0 [ 151.095161] slab_reclaimable:53381 slab_unreclaimable:328877 [ 151.095161] mapped:309 shmem:76 pagetables:309 bounce:0 [ 151.095161] free:18052 free_pcp:54 free_cma:0 [ 151.097673] syzkaller996775: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 151.097692] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 151.097709] CPU: 2 PID: 3047 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 151.097714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 151.097717] Call Trace: [ 151.097727] dump_stack+0x194/0x257 [ 151.097739] ? arch_local_irq_restore+0x53/0x53 [ 151.097750] ? flush_work+0x621/0x930 [ 151.097766] warn_alloc+0x1c2/0x2f0 [ 151.097776] ? zone_watermark_ok_safe+0x430/0x430 [ 151.097782] ? mutex_unlock+0xd/0x10 [ 151.097817] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 151.097883] ? warn_alloc+0x2f0/0x2f0 [ 151.097893] ? SyS_ioctl+0x8f/0xc0 [ 151.097906] ? warn_alloc+0x2f0/0x2f0 [ 151.097918] ? save_stack_trace+0x16/0x20 [ 151.097939] ? check_noncircular+0x20/0x20 [ 151.097957] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 151.097982] ? find_held_lock+0x39/0x1d0 [ 151.098006] ? lock_downgrade+0x990/0x990 [ 151.098040] ? check_same_owner+0x320/0x320 [ 151.098052] ? rcu_note_context_switch+0x710/0x710 [ 151.098059] ? check_noncircular+0x20/0x20 [ 151.098066] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 151.098077] ? __might_sleep+0x95/0x190 [ 151.098089] __alloc_pages_nodemask+0x9f7/0xd80 [ 151.098104] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 151.098111] ? __alloc_pages_nodemask+0xae5/0xd80 [ 151.098120] ? find_held_lock+0x39/0x1d0 [ 151.098131] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 151.098165] ? cache_grow_begin+0x31b/0x400 [ 151.098182] cache_grow_begin+0x86/0x400 [ 151.098196] fallback_alloc+0x150/0x2b0 [ 151.098214] ____cache_alloc_node+0x1cf/0x1e0 [ 151.098229] kmem_cache_alloc_trace+0x27d/0x750 [ 151.098236] ? lock_downgrade+0x990/0x990 [ 151.098256] kvm_dev_ioctl+0x216/0x1840 [ 151.098270] ? lock_release+0xd70/0xd70 [ 151.098280] ? install_new_memslots+0x420/0x420 [ 151.098306] ? avc_has_extended_perms+0x7fa/0x12c0 [ 151.098312] ? unwind_get_return_address+0x61/0xa0 [ 151.098332] ? avc_ss_reset+0x110/0x110 [ 151.098342] ? putname+0xee/0x130 [ 151.098350] ? save_stack+0xa3/0xd0 [ 151.098358] ? save_stack_trace+0x16/0x20 [ 151.098364] ? save_stack+0x43/0xd0 [ 151.098369] ? kasan_slab_free+0x71/0xc0 [ 151.098375] ? kmem_cache_free+0x77/0x280 [ 151.098380] ? putname+0xee/0x130 [ 151.098386] ? do_sys_open+0x31b/0x6d0 [ 151.098399] ? __lock_is_held+0xbc/0x140 [ 151.098428] ? check_same_owner+0x320/0x320 executing program [ 151.098439] ? rcu_note_context_switch+0x710/0x710 [ 151.098457] ? install_new_memslots+0x420/0x420 [ 151.098464] do_vfs_ioctl+0x1b1/0x1530 [ 151.098469] ? _cond_resched+0x14/0x30 [ 151.098483] ? ioctl_preallocate+0x2b0/0x2b0 [ 151.098495] ? selinux_capable+0x40/0x40 [ 151.098504] ? putname+0xf3/0x130 [ 151.098530] ? security_file_ioctl+0x7d/0xb0 [ 151.098536] ? security_file_ioctl+0x89/0xb0 [ 151.098549] SyS_ioctl+0x8f/0xc0 [ 151.098563] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 151.098568] RIP: 0033:0x435369 [ 151.098573] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 151.098580] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 151.098585] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000030f [ 151.098589] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 151.098594] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 151.098598] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 151.138803] Node 0 active_anon:4176kB inactive_anon:72kB active_file:1028kB inactive_file:1556kB unevictable:0kB isolated(anon):0kB isolated(file):112kB mapped:1996kB dirty:12kB writeback:0kB shmem:84kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 151.141677] Node 1 active_anon:9980kB inactive_anon:100kB active_file:144kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:24kB writeback:0kB shmem:220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 151.144308] Node 0 DMA free:4156kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 151.146840] lowmem_reserve[]: 0 886 886 886 [ 151.147356] Node 0 DMA32 free:36896kB min:36536kB low:45668kB high:54800kB active_anon:4176kB inactive_anon:72kB active_file:1316kB inactive_file:1584kB unevictable:0kB writepending:12kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2624kB pagetables:524kB bounce:0kB free_pcp:416kB local_pcp:68kB free_cma:0kB [ 151.150060] lowmem_reserve[]: 0 0 0 0 [ 151.150425] Node 1 DMA32 free:30032kB min:30404kB low:38004kB high:45604kB active_anon:9980kB inactive_anon:100kB active_file:192kB inactive_file:0kB unevictable:0kB writepending:24kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1312kB pagetables:712kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 151.152929] lowmem_reserve[]: 0 0 0 0 [ 151.153663] Node 0 DMA: 5*4kB (UE) 1*8kB (U) 0*16kB 1*32kB (E) 2*64kB (UE) 1*128kB (E) 1*256kB (E) 1*512kB (U) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4156kB [ 151.155767] Node 0 DMA32: 4*4kB (UME) 334*8kB (UMEH) 240*16kB (UMEH) 118*32kB (UME) 57*64kB (UME) 16*128kB (UME) 8*256kB (ME) 1*512kB (M) 2*1024kB (UM) 4*2048kB (UME) 2*4096kB (M) = 36992kB [ 151.158386] Node 1 DMA32: 285*4kB (UME) 190*8kB (UME) 162*16kB (UME) 89*32kB (UME) 37*64kB (UME) 6*128kB (UM) 1*256kB (M) 1*512kB (M) 0*1024kB 5*2048kB (UME) 2*4096kB (M) = 30436kB [ 151.160435] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 151.161440] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 151.162498] 815 total pagecache pages [ 151.162897] 0 pages in swap cache [ 151.163340] Swap cache stats: add 0, delete 0, find 0/0 [ 151.163942] Free swap = 0kB [ 151.164322] Total swap = 0kB [ 151.164638] 524186 pages RAM [ 151.164951] 0 pages HighMem/MovableOnly [ 151.165413] 103968 pages reserved executing program executing program [ 151.632249] syzkaller996775: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 151.633581] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 151.634156] CPU: 0 PID: 3044 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 151.634987] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 151.635782] Call Trace: [ 151.636050] dump_stack+0x194/0x257 [ 151.636415] ? arch_local_irq_restore+0x53/0x53 [ 151.636899] ? flush_work+0x621/0x930 [ 151.637285] warn_alloc+0x1c2/0x2f0 [ 151.637641] ? zone_watermark_ok_safe+0x430/0x430 [ 151.638129] ? mutex_unlock+0xd/0x10 [ 151.638537] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 151.639085] ? warn_alloc+0x2f0/0x2f0 [ 151.639471] ? SyS_ioctl+0x8f/0xc0 [ 151.639838] ? warn_alloc+0x2f0/0x2f0 [ 151.640487] ? save_stack_trace+0x16/0x20 [ 151.640897] ? check_noncircular+0x20/0x20 [ 151.641348] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 151.641870] ? find_held_lock+0x39/0x1d0 [ 151.642271] ? lock_downgrade+0x990/0x990 [ 151.642681] ? check_same_owner+0x320/0x320 [ 151.643117] ? rcu_note_context_switch+0x710/0x710 [ 151.643595] ? check_noncircular+0x20/0x20 [ 151.644003] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 151.644681] ? __might_sleep+0x95/0x190 [ 151.645092] __alloc_pages_nodemask+0x9f7/0xd80 [ 151.645569] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 151.646075] ? __alloc_pages_nodemask+0xae5/0xd80 [ 151.646563] ? find_held_lock+0x39/0x1d0 [ 151.646973] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 151.647518] ? cache_grow_begin+0x31b/0x400 [ 151.647955] cache_grow_begin+0x86/0x400 [ 151.648400] fallback_alloc+0x150/0x2b0 [ 151.648827] ____cache_alloc_node+0x1cf/0x1e0 [ 151.649287] kmem_cache_alloc_trace+0x27d/0x750 [ 151.649747] ? lock_downgrade+0x990/0x990 [ 151.650281] kvm_dev_ioctl+0x216/0x1840 [ 151.651590] ? lock_release+0xd70/0xd70 [ 151.652246] ? install_new_memslots+0x420/0x420 [ 151.652720] ? avc_has_extended_perms+0x7fa/0x12c0 [ 151.653217] ? unwind_get_return_address+0x61/0xa0 [ 151.653714] ? avc_ss_reset+0x110/0x110 [ 151.654131] ? putname+0xee/0x130 [ 151.654485] ? save_stack+0xa3/0xd0 [ 151.654857] ? save_stack_trace+0x16/0x20 [ 151.655272] ? save_stack+0x43/0xd0 [ 151.655639] ? kasan_slab_free+0x71/0xc0 [ 151.656050] ? kmem_cache_free+0x77/0x280 [ 151.656743] ? putname+0xee/0x130 [ 151.657335] ? do_sys_open+0x31b/0x6d0 [ 151.658005] ? __lock_is_held+0xbc/0x140 [ 151.658744] ? check_same_owner+0x320/0x320 [ 151.659447] ? rcu_note_context_switch+0x710/0x710 [ 151.660427] ? install_new_memslots+0x420/0x420 [ 151.660977] do_vfs_ioctl+0x1b1/0x1530 [ 151.661370] ? _cond_resched+0x14/0x30 [ 151.661772] ? ioctl_preallocate+0x2b0/0x2b0 [ 151.662217] ? selinux_capable+0x40/0x40 [ 151.662634] ? putname+0xf3/0x130 [ 151.663001] ? security_file_ioctl+0x7d/0xb0 [ 151.663398] ? security_file_ioctl+0x89/0xb0 [ 151.663849] SyS_ioctl+0x8f/0xc0 [ 151.664199] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 151.664683] RIP: 0033:0x435369 [ 151.665023] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 151.665812] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 151.666554] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000339 [ 151.667291] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 151.668006] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 151.668706] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 executing program executing program executing program [ 152.219246] syzkaller996775 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 152.220604] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 152.221156] CPU: 1 PID: 3044 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 152.221831] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 152.222370] Call Trace: [ 152.222545] dump_stack+0x194/0x257 [ 152.222783] ? arch_local_irq_restore+0x53/0x53 [ 152.223107] ? check_noncircular+0x20/0x20 [ 152.223404] dump_header+0x234/0xa0e [ 152.223666] ? pagefault_out_of_memory+0x152/0x152 [ 152.223998] ? lock_acquire+0x1d5/0x580 [ 152.224265] ? ___ratelimit+0x152/0x630 [ 152.224538] ? do_raw_spin_trylock+0x190/0x190 [ 152.224970] ? mark_held_locks+0xb2/0x100 [ 152.225405] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 152.226199] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 152.227065] ? trace_hardirqs_on+0xd/0x10 [ 152.227495] ? ___ratelimit+0x95/0x630 [ 152.227849] ? idr_get_free+0xff0/0xff0 [ 152.228077] ? lock_downgrade+0x990/0x990 [ 152.228394] ? cred_has_capability+0x1a0/0x3d0 [ 152.228663] oom_kill_process+0x86d/0x13d0 [ 152.229010] ? lock_release+0xd70/0xd70 [ 152.229346] ? oom_evaluate_task+0x480/0x480 [ 152.229759] ? security_capable_noaudit+0x8b/0xc0 [ 152.230474] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 152.231623] ? check_noncircular+0x20/0x20 executing program executing program executing program executing program [ 152.232509] ? has_capability+0x30/0x30 [ 152.234567] ? has_capability_noaudit+0x24/0x30 [ 152.235002] ? oom_badness+0xdf/0xb80 [ 152.235378] ? find_held_lock+0x39/0x1d0 [ 152.235788] ? lock_downgrade+0x990/0x990 [ 152.236180] ? out_of_memory+0x921/0x11d0 [ 152.236553] ? oom_reaper+0x4d0/0x4d0 [ 152.237974] ? lock_release+0xd70/0xd70 [ 152.238425] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 152.238910] ? oom_evaluate_task+0x284/0x480 [ 152.239321] out_of_memory+0x7dd/0x11d0 [ 152.239823] ? oom_killer_disable+0x310/0x310 [ 152.240240] ? mutex_trylock+0x23a/0x2d0 [ 152.240643] ? rcu_pm_notify+0xc0/0xc0 [ 152.241030] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 152.241564] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 152.242116] ? warn_alloc+0x2f0/0x2f0 [ 152.242481] ? do_sys_open+0x2e7/0x6d0 [ 152.242860] ? warn_alloc+0x2f0/0x2f0 [ 152.243232] ? save_stack_trace+0x16/0x20 [ 152.243640] ? check_noncircular+0x20/0x20 [ 152.244060] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 152.244560] ? lru_cache_add+0x1c7/0x3a0 [ 152.245005] ? lru_cache_add_file+0x20/0x20 [ 152.245407] ? find_held_lock+0x39/0x1d0 [ 152.245844] ? check_same_owner+0x320/0x320 [ 152.246275] ? __might_sleep+0x95/0x190 [ 152.246661] __alloc_pages_nodemask+0x9f7/0xd80 [ 152.247105] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 152.248549] ? __alloc_pages_nodemask+0xae5/0xd80 [ 152.249375] ? find_held_lock+0x39/0x1d0 [ 152.249804] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 152.250387] ? cache_grow_begin+0x31b/0x400 [ 152.250832] cache_grow_begin+0x86/0x400 [ 152.251263] fallback_alloc+0x150/0x2b0 [ 152.251644] ____cache_alloc_node+0x1cf/0x1e0 [ 152.252099] kmem_cache_alloc+0x287/0x760 [ 152.252567] getname_flags+0xcb/0x580 [ 152.252967] ? do_page_fault+0x70/0x70 [ 152.253412] getname+0x19/0x20 [ 152.253712] do_sys_open+0x2e7/0x6d0 [ 152.254065] ? filp_open+0x70/0x70 [ 152.254415] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 152.254884] SyS_openat+0x30/0x40 [ 152.255282] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 152.255769] RIP: 0033:0x435369 [ 152.256100] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000217 ORIG_RAX: 0000000000000101 [ 152.256922] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 152.257690] RDX: 0000000000022000 RSI: 0000000020ceaff7 RDI: ffffffffffffff9c [ 152.258445] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 152.259176] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000000 [ 152.259795] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 152.260406] Mem-Info: [ 152.260652] active_anon:3567 inactive_anon:43 isolated_anon:0 [ 152.260652] active_file:187 inactive_file:433 isolated_file:32 [ 152.260652] unevictable:0 dirty:6 writeback:0 unstable:0 [ 152.260652] slab_reclaimable:53525 slab_unreclaimable:328865 [ 152.260652] mapped:439 shmem:76 pagetables:309 bounce:0 [ 152.260652] free:17867 free_pcp:108 free_cma:0 [ 152.266100] Node 0 active_anon:4276kB inactive_anon:72kB active_file:364kB inactive_file:192kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:388kB dirty:36kB writeback:0kB shmem:84kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 152.273166] Node 1 active_anon:9996kB inactive_anon:100kB active_file:976kB inactive_file:588kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:1268kB dirty:0kB writeback:0kB shmem:220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 152.277123] Node 0 DMA free:4156kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 152.279827] lowmem_reserve[]: 0 886 886 886 [ 152.279889] syzkaller996775: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 152.279908] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 152.279926] CPU: 0 PID: 3045 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 executing program [ 152.279930] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 152.279934] Call Trace: [ 152.279944] dump_stack+0x194/0x257 [ 152.279956] ? arch_local_irq_restore+0x53/0x53 [ 152.279967] ? flush_work+0x621/0x930 [ 152.279984] warn_alloc+0x1c2/0x2f0 [ 152.279994] ? zone_watermark_ok_safe+0x430/0x430 [ 152.280000] ? mutex_unlock+0xd/0x10 [ 152.280040] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 152.280108] ? warn_alloc+0x2f0/0x2f0 [ 152.280117] ? SyS_ioctl+0x8f/0xc0 [ 152.280128] ? warn_alloc+0x2f0/0x2f0 [ 152.280135] ? save_stack_trace+0x16/0x20 [ 152.280155] ? check_noncircular+0x20/0x20 [ 152.280171] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 152.280191] ? find_held_lock+0x39/0x1d0 [ 152.280210] ? lock_downgrade+0x990/0x990 [ 152.280239] ? check_same_owner+0x320/0x320 [ 152.280250] ? rcu_note_context_switch+0x710/0x710 [ 152.280258] ? check_noncircular+0x20/0x20 [ 152.280265] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 152.280277] ? __might_sleep+0x95/0x190 [ 152.280290] __alloc_pages_nodemask+0x9f7/0xd80 [ 152.280303] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 152.280310] ? __alloc_pages_nodemask+0xae5/0xd80 [ 152.280319] ? find_held_lock+0x39/0x1d0 [ 152.280330] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 152.280365] ? cache_grow_begin+0x31b/0x400 [ 152.280382] cache_grow_begin+0x86/0x400 [ 152.280396] fallback_alloc+0x150/0x2b0 [ 152.280415] ____cache_alloc_node+0x1cf/0x1e0 [ 152.280426] kmem_cache_alloc_trace+0x27d/0x750 [ 152.280431] ? lock_downgrade+0x990/0x990 [ 152.280443] kvm_dev_ioctl+0x216/0x1840 [ 152.280451] ? lock_release+0xd70/0xd70 [ 152.280457] ? install_new_memslots+0x420/0x420 [ 152.280472] ? avc_has_extended_perms+0x7fa/0x12c0 [ 152.280477] ? unwind_get_return_address+0x61/0xa0 [ 152.280488] ? avc_ss_reset+0x110/0x110 [ 152.280494] ? putname+0xee/0x130 [ 152.280505] ? save_stack+0xa3/0xd0 [ 152.280512] ? save_stack_trace+0x16/0x20 [ 152.280517] ? save_stack+0x43/0xd0 [ 152.280521] ? kasan_slab_free+0x71/0xc0 [ 152.280526] ? kmem_cache_free+0x77/0x280 [ 152.280531] ? putname+0xee/0x130 [ 152.280536] ? do_sys_open+0x31b/0x6d0 [ 152.280547] ? __lock_is_held+0xbc/0x140 [ 152.280574] ? check_same_owner+0x320/0x320 [ 152.280586] ? rcu_note_context_switch+0x710/0x710 [ 152.280602] ? install_new_memslots+0x420/0x420 [ 152.280609] do_vfs_ioctl+0x1b1/0x1530 [ 152.280613] ? _cond_resched+0x14/0x30 [ 152.280627] ? ioctl_preallocate+0x2b0/0x2b0 [ 152.280639] ? selinux_capable+0x40/0x40 [ 152.280647] ? putname+0xf3/0x130 [ 152.280670] ? security_file_ioctl+0x7d/0xb0 [ 152.280675] ? security_file_ioctl+0x89/0xb0 [ 152.280685] SyS_ioctl+0x8f/0xc0 [ 152.280697] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 152.280703] RIP: 0033:0x435369 [ 152.280707] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 152.280715] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 152.280719] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002db [ 152.280724] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 152.280728] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 152.280732] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 152.280784] warn_alloc_show_mem: 2 callbacks suppressed [ 152.280791] Mem-Info: [ 152.280803] active_anon:3568 inactive_anon:43 isolated_anon:0 [ 152.280803] active_file:277 inactive_file:164 isolated_file:32 [ 152.280803] unevictable:0 dirty:9 writeback:0 unstable:0 [ 152.280803] slab_reclaimable:53525 slab_unreclaimable:328865 [ 152.280803] mapped:342 shmem:76 pagetables:309 bounce:0 [ 152.280803] free:18064 free_pcp:43 free_cma:0 [ 152.280812] Node 0 active_anon:4276kB inactive_anon:72kB active_file:132kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:100kB dirty:36kB writeback:0kB shmem:84kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 152.280839] Node 1 active_anon:9996kB inactive_anon:100kB active_file:976kB inactive_file:588kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:1268kB dirty:0kB writeback:0kB shmem:220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 152.280842] Node 0 DMA free:4156kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 152.280857] lowmem_reserve[]: 0 886 886 886 [ 152.280870] Node 0 DMA32 free:37884kB min:36536kB low:45668kB high:54800kB active_anon:4276kB inactive_anon:72kB active_file:136kB inactive_file:308kB unevictable:0kB writepending:36kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2624kB pagetables:532kB bounce:0kB free_pcp:172kB local_pcp:0kB free_cma:0kB [ 152.280878] lowmem_reserve[]: 0 0 0 0 [ 152.280888] Node 1 DMA32 free:30216kB min:30404kB low:38004kB high:45604kB active_anon:9996kB inactive_anon:100kB active_file:888kB inactive_file:992kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1312kB pagetables:704kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 152.280896] lowmem_reserve[]: 0 0 0 0 [ 152.280906] Node 0 DMA: 5*4kB (UE) 1*8kB (U) 0*16kB 1*32kB (E) 2*64kB (UE) 1*128kB (E) 1*256kB (E) 1*512kB (U) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4156kB [ 152.280949] Node 0 DMA32: 200*4kB (UME) 389*8kB (UMH) 240*16kB (UMEH) 119*32kB (UME) 60*64kB (UME) 18*128kB (UM) 11*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 3*2048kB (ME) 2*4096kB (M) = 37928kB [ 152.280995] Node 1 DMA32: 54*4kB (UMH) 179*8kB (UME) 175*16kB (UMEH) 98*32kB (UMEH) 42*64kB (UM) 7*128kB (UM) 1*256kB (M) 1*512kB (M) 0*1024kB 5*2048kB (UME) 2*4096kB (M) = 30368kB [ 152.281057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 152.281060] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 152.281062] 530 total pagecache pages [ 152.281066] 0 pages in swap cache [ 152.281069] Swap cache stats: add 0, delete 0, find 0/0 [ 152.281071] Free swap = 0kB [ 152.281073] Total swap = 0kB [ 152.281075] 524186 pages RAM [ 152.281077] 0 pages HighMem/MovableOnly [ 152.281079] 103968 pages reserved [ 152.347445] Node 0 DMA32 free:37292kB min:36536kB low:45668kB high:54800kB active_anon:4276kB inactive_anon:72kB active_file:136kB inactive_file:308kB unevictable:0kB writepending:36kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2624kB pagetables:532kB bounce:0kB free_pcp:876kB local_pcp:120kB free_cma:0kB [ 152.350216] lowmem_reserve[]: 0 0 0 0 [ 152.350599] Node 1 DMA32 free:31224kB min:30404kB low:38004kB high:45604kB active_anon:9996kB inactive_anon:100kB active_file:888kB inactive_file:992kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1312kB pagetables:704kB bounce:0kB free_pcp:1120kB local_pcp:0kB free_cma:0kB [ 152.353299] lowmem_reserve[]: 0 0 0 0 [ 152.353691] Node 0 DMA: 5*4kB (UE) 1*8kB (U) 0*16kB 1*32kB (E) 2*64kB (UE) 1*128kB (E) 1*256kB (E) 1*512kB (U) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4156kB [ 152.355228] Node 0 DMA32: 1*4kB (E) 349*8kB (UMH) 240*16kB (UMEH) 119*32kB (UME) 60*64kB (UME) 18*128kB (UM) 11*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 3*2048kB (ME) 2*4096kB (M) = 36812kB [ 152.357085] Node 1 DMA32: 71*4kB (UMH) 221*8kB (UME) 196*16kB (UMEH) 104*32kB (UMEH) 46*64kB (UM) 10*128kB (UM) 1*256kB (M) 1*512kB (M) 0*1024kB 5*2048kB (UME) 2*4096kB (M) = 31940kB [ 152.358719] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 152.359570] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 152.360400] 340 total pagecache pages [ 152.360736] 0 pages in swap cache [ 152.361074] Swap cache stats: add 0, delete 0, find 0/0 [ 152.361631] Free swap = 0kB [ 152.361906] Total swap = 0kB [ 152.362214] 524186 pages RAM [ 152.362503] 0 pages HighMem/MovableOnly [ 152.362878] 103968 pages reserved [ 152.363259] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 152.364084] [ 1512] 0 1512 7097 1872 20 3 0 -1000 udevd [ 152.364865] [ 2794] 0 2794 2493 573 8 3 0 0 dhclient [ 152.365614] [ 2920] 0 2920 30583 148 24 3 0 0 rsyslogd [ 152.366400] [ 2960] 0 2960 4725 48 14 3 0 0 cron [ 152.367165] [ 2983] 0 2983 12490 153 28 3 0 -1000 sshd [ 152.367906] [ 3009] 0 3009 3694 41 13 3 0 0 getty [ 152.368673] [ 3010] 0 3010 3694 41 13 3 0 0 getty [ 152.369551] [ 3011] 0 3011 3694 42 14 3 0 0 getty [ 152.370338] [ 3012] 0 3012 3694 42 13 3 0 0 getty [ 152.371104] [ 3013] 0 3013 3694 41 12 3 0 0 getty [ 152.371872] [ 3014] 0 3014 3694 40 13 3 0 0 getty [ 152.372653] [ 3015] 0 3015 3649 39 13 3 0 0 getty [ 152.373434] [ 3016] 0 3016 5348 147 15 3 0 -1000 udevd [ 152.374199] [ 3017] 0 3017 5347 147 15 3 0 -1000 udevd [ 152.374937] [ 3040] 0 3040 17820 196 39 3 0 0 sshd [ 152.375714] [ 3042] 0 3042 271 1 4 2 0 0 syzkaller996775 [ 152.376922] [ 3043] 0 3043 4366 12 5 2 0 0 syzkaller996775 [ 152.377881] [ 3044] 0 3044 4366 12 5 2 0 0 syzkaller996775 [ 152.378751] [ 3045] 0 3045 4366 35 5 2 0 0 syzkaller996775 [ 152.379613] [ 3046] 0 3046 4366 22 5 2 0 0 syzkaller996775 [ 152.380482] [ 3047] 0 3047 4366 12 5 2 0 0 syzkaller996775 [ 152.381411] [ 3048] 0 3048 4366 12 5 2 0 0 syzkaller996775 [ 152.382273] [ 3049] 0 3049 4366 28 5 2 0 0 syzkaller996775 [ 152.383124] [ 3050] 0 3050 4366 12 5 2 0 0 syzkaller996775 [ 152.383966] Out of memory: Kill process 2794 (dhclient) score 1 or sacrifice child [ 152.386646] Killed process 2794 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 152.712761] syzkaller996775: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 152.715053] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 152.716119] CPU: 3 PID: 3050 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 152.718198] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 152.719299] Call Trace: [ 152.719870] dump_stack+0x194/0x257 [ 152.720336] ? arch_local_irq_restore+0x53/0x53 [ 152.720804] ? flush_work+0x621/0x930 [ 152.721201] warn_alloc+0x1c2/0x2f0 [ 152.721578] ? zone_watermark_ok_safe+0x430/0x430 [ 152.722062] ? mutex_unlock+0xd/0x10 [ 152.722465] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 152.723019] ? warn_alloc+0x2f0/0x2f0 [ 152.723408] ? SyS_ioctl+0x8f/0xc0 [ 152.723775] ? warn_alloc+0x2f0/0x2f0 [ 152.724195] ? save_stack_trace+0x16/0x20 [ 152.724626] ? alloc_set_pte+0x1162/0x18f0 [ 152.725108] ? check_noncircular+0x20/0x20 [ 152.725574] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 152.726082] ? find_held_lock+0x39/0x1d0 [ 152.726511] ? lock_downgrade+0x990/0x990 [ 152.726962] ? check_same_owner+0x320/0x320 [ 152.727494] ? rcu_note_context_switch+0x710/0x710 [ 152.727982] ? check_noncircular+0x20/0x20 [ 152.728410] ? __might_sleep+0x95/0x190 [ 152.728826] __alloc_pages_nodemask+0x9f7/0xd80 [ 152.729312] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 152.729831] ? __alloc_pages_nodemask+0xae5/0xd80 [ 152.730323] ? find_held_lock+0x39/0x1d0 [ 152.730738] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 152.731274] ? cache_grow_begin+0x31b/0x400 [ 152.731729] cache_grow_begin+0x86/0x400 [ 152.732166] fallback_alloc+0x150/0x2b0 [ 152.732576] ____cache_alloc_node+0x1cf/0x1e0 [ 152.733034] kmem_cache_alloc_trace+0x27d/0x750 [ 152.733496] ? lock_downgrade+0x990/0x990 [ 152.733927] kvm_dev_ioctl+0x216/0x1840 [ 152.734333] ? lock_release+0xd70/0xd70 [ 152.734738] ? install_new_memslots+0x420/0x420 [ 152.735314] ? check_noncircular+0x20/0x20 [ 152.735948] ? __handle_mm_fault+0x587/0x39c0 [ 152.736684] ? avc_has_extended_perms+0x7fa/0x12c0 [ 152.737251] ? avc_ss_reset+0x110/0x110 [ 152.737646] ? lock_downgrade+0x990/0x990 [ 152.738071] ? check_same_owner+0x320/0x320 [ 152.739063] ? __handle_mm_fault+0x39c0/0x39c0 [ 152.739450] ? vmacache_find+0x61/0x270 [ 152.739791] ? rcu_note_context_switch+0x710/0x710 [ 152.740227] ? install_new_memslots+0x420/0x420 [ 152.740885] do_vfs_ioctl+0x1b1/0x1530 [ 152.741271] ? _cond_resched+0x14/0x30 [ 152.741712] ? ioctl_preallocate+0x2b0/0x2b0 [ 152.742151] ? selinux_capable+0x40/0x40 [ 152.742549] ? putname+0xf3/0x130 [ 152.742913] ? security_file_ioctl+0x7d/0xb0 [ 152.743348] ? security_file_ioctl+0x89/0xb0 [ 152.743782] SyS_ioctl+0x8f/0xc0 [ 152.744127] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 152.744595] RIP: 0033:0x435369 [ 152.744905] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 152.745948] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 152.747207] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002d3 [ 152.748529] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 152.749969] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 152.751259] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 152.896600] syzkaller996775 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 152.897561] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 152.897923] CPU: 3 PID: 3049 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 152.898494] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 152.899039] Call Trace: [ 152.899213] dump_stack+0x194/0x257 [ 152.899453] ? arch_local_irq_restore+0x53/0x53 [ 152.899766] ? check_noncircular+0x20/0x20 [ 152.900048] dump_header+0x234/0xa0e [ 152.900275] ? pagefault_out_of_memory+0x152/0x152 [ 152.900609] ? lock_acquire+0x1d5/0x580 [ 152.900882] ? ___ratelimit+0x152/0x630 [ 152.901152] ? do_raw_spin_trylock+0x190/0x190 [ 152.901557] ? mark_held_locks+0xb2/0x100 [ 152.901844] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 152.902284] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 152.902623] ? trace_hardirqs_on+0xd/0x10 [ 152.902982] ? ___ratelimit+0x95/0x630 [ 152.903259] ? idr_get_free+0xff0/0xff0 [ 152.903605] ? lock_downgrade+0x990/0x990 [ 152.903890] ? cred_has_capability+0x1a0/0x3d0 [ 152.904294] oom_kill_process+0x86d/0x13d0 [ 152.904587] ? lock_release+0xd70/0xd70 [ 152.904946] ? oom_evaluate_task+0x480/0x480 [ 152.905258] ? security_capable_noaudit+0x8b/0xc0 [ 152.905677] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 152.906021] ? check_noncircular+0x20/0x20 [ 152.906386] ? has_capability+0x30/0x30 [ 152.906666] ? has_capability_noaudit+0x24/0x30 [ 152.907070] ? oom_badness+0xdf/0xb80 [ 152.907409] ? find_held_lock+0x39/0x1d0 [ 152.907770] ? lock_downgrade+0x990/0x990 [ 152.908059] ? out_of_memory+0x921/0x11d0 [ 152.908422] ? oom_reaper+0x4d0/0x4d0 [ 152.908686] ? lock_release+0xd70/0xd70 [ 152.909045] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 152.909491] ? oom_evaluate_task+0x284/0x480 [ 152.909914] out_of_memory+0x7dd/0x11d0 [ 152.910298] ? oom_killer_disable+0x310/0x310 [ 152.910910] ? mutex_trylock+0x23a/0x2d0 [ 152.911179] ? rcu_pm_notify+0xc0/0xc0 [ 152.911451] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 152.911829] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 152.912185] ? warn_alloc+0x2f0/0x2f0 [ 152.912447] ? do_vfs_ioctl+0x1b1/0x1530 [ 152.912731] ? warn_alloc+0x2f0/0x2f0 [ 152.913054] ? save_stack_trace+0x16/0x20 [ 152.913347] ? check_noncircular+0x20/0x20 [ 152.913720] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 152.914081] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 152.914554] ? kvm_dev_ioctl+0xb4e/0x1840 [ 152.914913] ? do_vfs_ioctl+0x1b1/0x1530 [ 152.915265] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 152.915703] ? find_held_lock+0x39/0x1d0 [ 152.916083] ? check_same_owner+0x320/0x320 [ 152.916458] ? find_held_lock+0x39/0x1d0 [ 152.916824] ? __might_sleep+0x95/0x190 [ 152.917176] __alloc_pages_nodemask+0x9f7/0xd80 [ 152.917585] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 152.917922] ? __alloc_pages_nodemask+0xae5/0xd80 [ 152.918342] ? find_held_lock+0x39/0x1d0 [ 152.918629] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 152.919085] ? cache_grow_begin+0x31b/0x400 [ 152.919472] cache_grow_begin+0x86/0x400 [ 152.919835] fallback_alloc+0x150/0x2b0 [ 152.920189] ____cache_alloc_node+0x1cf/0x1e0 [ 152.920583] kmem_cache_alloc_trace+0x27d/0x750 [ 152.921008] ? __debugfs_create_file+0x2cc/0x3e0 [ 152.921441] kvm_uevent_notify_change.part.38+0x174/0x430 [ 152.921926] kvm_dev_ioctl+0x716/0x1840 [ 152.922282] ? install_new_memslots+0x420/0x420 [ 152.922700] ? avc_has_extended_perms+0x7fa/0x12c0 [ 152.923128] ? unwind_get_return_address+0x61/0xa0 [ 152.923569] ? avc_ss_reset+0x110/0x110 [ 152.923939] ? putname+0xee/0x130 [ 152.924275] ? save_stack+0xa3/0xd0 [ 152.924624] ? save_stack_trace+0x16/0x20 [ 152.925038] ? save_stack+0x43/0xd0 [ 152.925410] ? kmem_cache_free+0x77/0x280 [ 152.925791] ? putname+0xee/0x130 [ 152.926135] ? do_sys_open+0x31b/0x6d0 [ 152.926505] ? __lock_is_held+0xbc/0x140 [ 152.926911] ? check_same_owner+0x320/0x320 [ 152.927351] ? install_new_memslots+0x420/0x420 [ 152.927778] do_vfs_ioctl+0x1b1/0x1530 [ 152.928158] ? _cond_resched+0x14/0x30 [ 152.928666] ? ioctl_preallocate+0x2b0/0x2b0 [ 152.929215] ? selinux_capable+0x40/0x40 [ 152.930826] ? putname+0xf3/0x130 [ 152.931088] ? security_file_ioctl+0x7d/0xb0 [ 152.931476] ? security_file_ioctl+0x89/0xb0 [ 152.931928] SyS_ioctl+0x8f/0xc0 [ 152.932274] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 152.932649] RIP: 0033:0x435369 [ 152.933003] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 152.933867] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 152.934935] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002f9 [ 152.935696] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 152.936319] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 152.937222] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 152.938122] Mem-Info: [ 152.938374] active_anon:2997 inactive_anon:43 isolated_anon:0 [ 152.938374] active_file:40 inactive_file:115 isolated_file:0 [ 152.938374] unevictable:0 dirty:0 writeback:1 unstable:0 [ 152.938374] slab_reclaimable:53640 slab_unreclaimable:329184 [ 152.938374] mapped:77 shmem:76 pagetables:301 bounce:0 [ 152.938374] free:18404 free_pcp:246 free_cma:0 [ 152.941640] Node 0 active_anon:2004kB inactive_anon:72kB active_file:132kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):116kB mapped:104kB dirty:0kB writeback:0kB shmem:84kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 152.944585] Node 1 active_anon:9984kB inactive_anon:100kB active_file:120kB inactive_file:80kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:4kB shmem:220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 152.947410] Node 0 DMA free:4156kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 152.950040] lowmem_reserve[]: 0 886 886 886 [ 152.950465] Node 0 DMA32 free:36904kB min:36536kB low:45668kB high:54800kB active_anon:2004kB inactive_anon:72kB active_file:124kB inactive_file:456kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2592kB pagetables:512kB bounce:0kB free_pcp:780kB local_pcp:0kB free_cma:0kB [ 152.953210] lowmem_reserve[]: 0 0 0 0 [ 152.953569] Node 1 DMA32 free:31672kB min:30404kB low:38004kB high:45604kB active_anon:9984kB inactive_anon:100kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:4kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1312kB pagetables:692kB bounce:0kB free_pcp:768kB local_pcp:172kB free_cma:0kB [ 152.955824] lowmem_reserve[]: 0 0 0 0 [ 152.956265] Node 0 DMA: 5*4kB (UE) 1*8kB (U) 0*16kB 1*32kB (E) 2*64kB (UE) 1*128kB (E) 1*256kB (E) 1*512kB (U) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4156kB [ 152.957775] Node 0 DMA32: 4*4kB (UME) 335*8kB (UMH) 274*16kB (UME) 134*32kB (UM) 67*64kB (UME) 24*128kB (ME) 11*256kB (M) 2*512kB (UM) 2*1024kB (UM) 4*2048kB (UME) 1*4096kB (M) = 36904kB [ 152.959559] Node 1 DMA32: 130*4kB (UMEH) 243*8kB (UME) 194*16kB (UMH) 104*32kB (UMEH) 46*64kB (UM) 7*128kB (UM) 1*256kB (M) 2*512kB (ME) 1*1024kB (E) 4*2048kB (UM) 2*4096kB (M) = 31424kB [ 152.961454] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 152.963471] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 152.964304] 169 total pagecache pages [ 152.964722] 0 pages in swap cache [ 152.965062] Swap cache stats: add 0, delete 0, find 0/0 [ 152.965408] Free swap = 0kB [ 152.965670] Total swap = 0kB [ 152.965870] 524186 pages RAM [ 152.966150] 0 pages HighMem/MovableOnly [ 152.966448] 103968 pages reserved [ 152.966847] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 152.967799] [ 1512] 0 1512 7097 1872 20 3 0 -1000 udevd [ 152.968588] [ 2920] 0 2920 30583 148 24 3 0 0 rsyslogd [ 152.969563] [ 2960] 0 2960 4725 48 14 3 0 0 cron [ 152.970540] [ 2983] 0 2983 12490 153 28 3 0 -1000 sshd [ 152.971408] [ 3009] 0 3009 3694 41 13 3 0 0 getty [ 152.972374] [ 3010] 0 3010 3694 41 13 3 0 0 getty [ 152.974334] [ 3011] 0 3011 3694 42 14 3 0 0 getty [ 152.975122] [ 3012] 0 3012 3694 42 13 3 0 0 getty [ 152.975871] [ 3013] 0 3013 3694 41 12 3 0 0 getty [ 152.976642] [ 3014] 0 3014 3694 40 13 3 0 0 getty [ 152.977520] [ 3015] 0 3015 3649 39 13 3 0 0 getty [ 152.978433] [ 3016] 0 3016 5349 147 15 3 0 -1000 udevd [ 152.979363] [ 3017] 0 3017 5347 147 15 3 0 -1000 udevd [ 152.980191] [ 3040] 0 3040 17820 196 39 3 0 0 sshd [ 152.980942] [ 3042] 0 3042 271 1 4 2 0 0 syzkaller996775 [ 152.981774] [ 3043] 0 3043 4366 12 5 2 0 0 syzkaller996775 [ 152.982605] [ 3044] 0 3044 4366 12 5 2 0 0 syzkaller996775 [ 152.983438] [ 3045] 0 3045 4366 12 5 2 0 0 syzkaller996775 [ 152.984269] [ 3046] 0 3046 4366 12 5 2 0 0 syzkaller996775 [ 152.985129] [ 3047] 0 3047 4366 12 5 2 0 0 syzkaller996775 [ 152.985937] [ 3048] 0 3048 4366 12 5 2 0 0 syzkaller996775 [ 152.987637] [ 3049] 0 3049 4366 12 5 2 0 0 syzkaller996775 [ 152.989163] [ 3050] 0 3050 4366 58 5 2 0 0 syzkaller996775 [ 152.990538] Out of memory: Kill process 3040 (sshd) score 0 or sacrifice child [ 152.991645] Killed process 3042 (syzkaller996775) total-vm:1084kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 153.047831] syzkaller996775 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 153.049165] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 153.049587] CPU: 0 PID: 3044 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 153.050226] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 153.050855] Call Trace: [ 153.051047] dump_stack+0x194/0x257 [ 153.051301] ? arch_local_irq_restore+0x53/0x53 [ 153.051634] ? check_noncircular+0x20/0x20 [ 153.051997] dump_header+0x234/0xa0e [ 153.052327] ? pagefault_out_of_memory+0x152/0x152 [ 153.052708] ? lock_acquire+0x1d5/0x580 [ 153.052990] ? ___ratelimit+0x152/0x630 [ 153.053283] ? do_raw_spin_trylock+0x190/0x190 [ 153.053678] ? mark_held_locks+0xb2/0x100 [ 153.054025] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 153.054402] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 153.054750] ? trace_hardirqs_on+0xd/0x10 [ 153.055073] ? ___ratelimit+0x95/0x630 [ 153.055398] ? idr_get_free+0xff0/0xff0 [ 153.055734] ? lock_downgrade+0x990/0x990 [ 153.056083] ? cred_has_capability+0x1a0/0x3d0 [ 153.057457] oom_kill_process+0x86d/0x13d0 [ 153.058157] ? lock_release+0xd70/0xd70 [ 153.059724] ? oom_evaluate_task+0x480/0x480 [ 153.060442] ? security_capable_noaudit+0x8b/0xc0 [ 153.061194] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 153.061898] ? check_noncircular+0x20/0x20 [ 153.062583] ? has_capability+0x30/0x30 [ 153.063168] ? has_capability_noaudit+0x24/0x30 [ 153.063813] ? oom_badness+0xdf/0xb80 [ 153.064427] ? find_held_lock+0x39/0x1d0 [ 153.065013] ? lock_downgrade+0x990/0x990 [ 153.065680] ? out_of_memory+0x921/0x11d0 [ 153.066273] ? oom_reaper+0x4d0/0x4d0 [ 153.066849] ? lock_release+0xd70/0xd70 [ 153.067453] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 153.068162] ? oom_evaluate_task+0x284/0x480 [ 153.068883] out_of_memory+0x7dd/0x11d0 [ 153.069433] ? oom_killer_disable+0x310/0x310 [ 153.070152] ? mutex_trylock+0x23a/0x2d0 [ 153.070766] ? rcu_pm_notify+0xc0/0xc0 [ 153.071289] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 153.072154] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 153.072897] ? warn_alloc+0x2f0/0x2f0 [ 153.073435] ? do_sys_open+0x2e7/0x6d0 [ 153.074101] ? warn_alloc+0x2f0/0x2f0 [ 153.074911] ? save_stack_trace+0x16/0x20 [ 153.075590] ? check_noncircular+0x20/0x20 [ 153.076223] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 153.077031] ? lru_cache_add+0x1c7/0x3a0 [ 153.077589] ? lru_cache_add_file+0x20/0x20 [ 153.078288] ? find_held_lock+0x39/0x1d0 [ 153.078900] ? check_same_owner+0x320/0x320 [ 153.080237] ? __might_sleep+0x95/0x190 [ 153.080781] __alloc_pages_nodemask+0x9f7/0xd80 [ 153.081558] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 153.082318] ? __alloc_pages_nodemask+0xae5/0xd80 [ 153.083088] ? find_held_lock+0x39/0x1d0 [ 153.083651] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 153.084413] ? cache_grow_begin+0x31b/0x400 [ 153.085081] cache_grow_begin+0x86/0x400 [ 153.085697] fallback_alloc+0x150/0x2b0 [ 153.086306] ____cache_alloc_node+0x1cf/0x1e0 [ 153.086843] kmem_cache_alloc+0x287/0x760 [ 153.087243] getname_flags+0xcb/0x580 [ 153.087627] ? do_page_fault+0x70/0x70 [ 153.088014] getname+0x19/0x20 [ 153.088325] do_sys_open+0x2e7/0x6d0 [ 153.088642] ? filp_open+0x70/0x70 [ 153.088949] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 153.089438] SyS_openat+0x30/0x40 [ 153.089775] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 153.090213] RIP: 0033:0x435369 [ 153.090474] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000217 ORIG_RAX: 0000000000000101 [ 153.091120] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 153.091817] RDX: 0000000000022000 RSI: 0000000020ceaff7 RDI: ffffffffffffff9c [ 153.092420] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 153.093079] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000000 [ 153.093753] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 153.094406] Mem-Info: [ 153.097603] active_anon:2999 inactive_anon:42 isolated_anon:0 [ 153.097603] active_file:110 inactive_file:98 isolated_file:32 [ 153.097603] unevictable:0 dirty:4 writeback:1 unstable:0 [ 153.097603] slab_reclaimable:53659 slab_unreclaimable:329196 [ 153.097603] mapped:121 shmem:76 pagetables:301 bounce:0 [ 153.097603] free:18198 free_pcp:195 free_cma:0 [ 153.104556] Node 0 active_anon:2004kB inactive_anon:72kB active_file:336kB inactive_file:416kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:548kB dirty:16kB writeback:0kB shmem:84kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 153.109900] Node 1 active_anon:9992kB inactive_anon:96kB active_file:120kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:4kB shmem:220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 153.113872] Node 0 DMA free:4156kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 153.118313] lowmem_reserve[]: 0 886 886 886 [ 153.118935] Node 0 DMA32 free:36444kB min:36536kB low:45668kB high:54800kB active_anon:2004kB inactive_anon:72kB active_file:620kB inactive_file:580kB unevictable:0kB writepending:16kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2592kB pagetables:516kB bounce:0kB free_pcp:632kB local_pcp:0kB free_cma:0kB [ 153.121486] lowmem_reserve[]: 0 0 0 0 [ 153.121818] Node 1 DMA32 free:31944kB min:30404kB low:38004kB high:45604kB active_anon:9992kB inactive_anon:96kB active_file:32kB inactive_file:152kB unevictable:0kB writepending:4kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1312kB pagetables:688kB bounce:0kB free_pcp:344kB local_pcp:120kB free_cma:0kB [ 153.125258] lowmem_reserve[]: 0 0 0 0 [ 153.129178] Node 0 DMA: 5*4kB (UE) 1*8kB (U) 0*16kB 1*32kB (E) 2*64kB (UE) 1*128kB (E) 1*256kB (E) 1*512kB (U) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4156kB [ 153.133246] Node 0 DMA32: 93*4kB (UM) 289*8kB (UMH) 274*16kB (UME) 134*32kB (UM) 67*64kB (UME) 24*128kB (ME) 11*256kB (M) 2*512kB (UM) 2*1024kB (UM) 4*2048kB (UME) 1*4096kB (M) = 36892kB [ 153.135992] Node 1 DMA32: 180*4kB (UMEH) 257*8kB (UME) 196*16kB (UMEH) 106*32kB (UMEH) 46*64kB (UM) 8*128kB (UME) 1*256kB (M) 2*512kB (ME) 1*1024kB (E) 4*2048kB (UM) 2*4096kB (M) = 31960kB [ 153.141373] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 153.142270] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 153.143145] 163 total pagecache pages [ 153.144074] 0 pages in swap cache [ 153.144373] Swap cache stats: add 0, delete 0, find 0/0 [ 153.144912] Free swap = 0kB [ 153.145240] Total swap = 0kB [ 153.145544] 524186 pages RAM [ 153.145839] 0 pages HighMem/MovableOnly [ 153.146215] 103968 pages reserved [ 153.146428] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 153.146988] [ 1512] 0 1512 7097 1872 20 3 0 -1000 udevd [ 153.147586] [ 2920] 0 2920 30583 148 24 3 0 0 rsyslogd [ 153.148195] [ 2960] 0 2960 4725 48 14 3 0 0 cron [ 153.148768] [ 2983] 0 2983 12490 153 28 3 0 -1000 sshd [ 153.149749] [ 3009] 0 3009 3694 41 13 3 0 0 getty [ 153.150588] [ 3010] 0 3010 3694 41 13 3 0 0 getty [ 153.151273] [ 3011] 0 3011 3694 42 14 3 0 0 getty [ 153.151474] syzkaller996775: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 153.151486] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 153.151498] CPU: 3 PID: 3050 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 153.151504] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 153.151507] Call Trace: [ 153.151515] dump_stack+0x194/0x257 [ 153.151522] ? arch_local_irq_restore+0x53/0x53 [ 153.151529] ? flush_work+0x621/0x930 [ 153.151539] warn_alloc+0x1c2/0x2f0 [ 153.151544] ? zone_watermark_ok_safe+0x430/0x430 [ 153.151548] ? mutex_unlock+0xd/0x10 [ 153.151568] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 153.151612] ? warn_alloc+0x2f0/0x2f0 [ 153.151617] ? SyS_ioctl+0x8f/0xc0 [ 153.151625] ? warn_alloc+0x2f0/0x2f0 [ 153.151632] ? save_stack_trace+0x16/0x20 [ 153.151644] ? check_noncircular+0x20/0x20 [ 153.151656] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 153.151672] ? find_held_lock+0x39/0x1d0 [ 153.151687] ? lock_downgrade+0x990/0x990 [ 153.151706] ? check_same_owner+0x320/0x320 [ 153.151714] ? rcu_note_context_switch+0x710/0x710 [ 153.151718] ? check_noncircular+0x20/0x20 [ 153.151722] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 153.151728] ? __might_sleep+0x95/0x190 [ 153.151736] __alloc_pages_nodemask+0x9f7/0xd80 [ 153.151745] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 153.151751] ? __alloc_pages_nodemask+0xae5/0xd80 [ 153.151757] ? find_held_lock+0x39/0x1d0 [ 153.151764] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 153.151785] ? cache_grow_begin+0x31b/0x400 [ 153.151794] cache_grow_begin+0x86/0x400 [ 153.151803] fallback_alloc+0x150/0x2b0 [ 153.151813] ____cache_alloc_node+0x1cf/0x1e0 [ 153.151822] kmem_cache_alloc_trace+0x27d/0x750 [ 153.151826] ? lock_downgrade+0x990/0x990 [ 153.151840] kvm_dev_ioctl+0x216/0x1840 [ 153.151849] ? lock_release+0xd70/0xd70 [ 153.151856] ? install_new_memslots+0x420/0x420 [ 153.151872] ? avc_has_extended_perms+0x7fa/0x12c0 [ 153.151875] ? unwind_get_return_address+0x61/0xa0 [ 153.151887] ? avc_ss_reset+0x110/0x110 [ 153.151892] ? putname+0xee/0x130 [ 153.151897] ? save_stack+0xa3/0xd0 [ 153.151902] ? save_stack_trace+0x16/0x20 [ 153.151906] ? save_stack+0x43/0xd0 [ 153.151909] ? kasan_slab_free+0x71/0xc0 [ 153.151912] ? kmem_cache_free+0x77/0x280 [ 153.151915] ? putname+0xee/0x130 [ 153.151919] ? do_sys_open+0x31b/0x6d0 [ 153.151929] ? __lock_is_held+0xbc/0x140 [ 153.151948] ? check_same_owner+0x320/0x320 [ 153.151954] ? rcu_note_context_switch+0x710/0x710 [ 153.151965] ? install_new_memslots+0x420/0x420 [ 153.151969] do_vfs_ioctl+0x1b1/0x1530 [ 153.151972] ? _cond_resched+0x14/0x30 [ 153.151980] ? ioctl_preallocate+0x2b0/0x2b0 [ 153.151987] ? selinux_capable+0x40/0x40 [ 153.151992] ? putname+0xf3/0x130 [ 153.152010] ? security_file_ioctl+0x7d/0xb0 [ 153.152016] ? security_file_ioctl+0x89/0xb0 [ 153.152025] SyS_ioctl+0x8f/0xc0 [ 153.152033] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 153.152037] RIP: 0033:0x435369 [ 153.152040] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 153.152045] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 153.152047] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002d4 [ 153.152050] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 153.152052] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 153.152055] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 153.192234] [ 3012] 0 3012 3694 42 13 3 0 0 getty [ 153.193497] [ 3013] 0 3013 3694 41 12 3 0 0 getty [ 153.194659] [ 3014] 0 3014 3694 40 13 3 0 0 getty [ 153.195854] [ 3015] 0 3015 3649 39 13 3 0 0 getty [ 153.197211] [ 3016] 0 3016 5349 148 15 3 0 -1000 udevd [ 153.198682] [ 3017] 0 3017 5347 147 15 3 0 -1000 udevd [ 153.199999] [ 3040] 0 3040 17820 196 39 3 0 0 sshd [ 153.201365] [ 3043] 0 3043 4366 12 5 2 0 0 syzkaller996775 [ 153.203005] [ 3044] 0 3044 4366 12 5 2 0 0 syzkaller996775 [ 153.204322] [ 3045] 0 3045 4366 12 5 2 0 0 syzkaller996775 [ 153.205695] [ 3046] 0 3046 4366 12 5 2 0 0 syzkaller996775 [ 153.207085] [ 3047] 0 3047 4366 12 5 2 0 0 syzkaller996775 [ 153.208896] [ 3048] 0 3048 4366 12 5 2 0 0 syzkaller996775 [ 153.210149] [ 3049] 0 3049 4366 12 5 2 0 0 syzkaller996775 [ 153.211431] [ 3050] 0 3050 4366 42 5 2 0 0 syzkaller996775 [ 153.212519] Out of memory: Kill process 3040 (sshd) score 0 or sacrifice child [ 153.213680] Killed process 3040 (sshd) total-vm:71280kB, anon-rss:780kB, file-rss:0kB, shmem-rss:4kB [ 153.223328] oom_reaper: reaped process 3040 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB [ 153.495609] syzkaller996775: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 153.496750] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 153.497364] CPU: 0 PID: 3043 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 153.497942] syzkaller996775: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 153.497953] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 153.499586] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 153.500304] Call Trace: [ 153.500545] dump_stack+0x194/0x257 [ 153.500893] ? arch_local_irq_restore+0x53/0x53 [ 153.501290] ? flush_work+0x621/0x930 [ 153.501640] warn_alloc+0x1c2/0x2f0 [ 153.501972] ? zone_watermark_ok_safe+0x430/0x430 [ 153.502468] ? mutex_unlock+0xd/0x10 [ 153.502836] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 153.503320] ? warn_alloc+0x2f0/0x2f0 [ 153.503623] ? SyS_ioctl+0x8f/0xc0 [ 153.503937] ? warn_alloc+0x2f0/0x2f0 [ 153.504273] ? save_stack_trace+0x16/0x20 [ 153.504634] ? alloc_set_pte+0x1162/0x18f0 [ 153.505005] ? check_noncircular+0x20/0x20 [ 153.505298] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 153.505755] ? find_held_lock+0x39/0x1d0 [ 153.506114] ? lock_downgrade+0x990/0x990 [ 153.506715] ? check_same_owner+0x320/0x320 [ 153.507010] ? rcu_note_context_switch+0x710/0x710 [ 153.507436] ? check_noncircular+0x20/0x20 [ 153.507727] ? __might_sleep+0x95/0x190 [ 153.508079] __alloc_pages_nodemask+0x9f7/0xd80 [ 153.508526] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 153.508888] ? __alloc_pages_nodemask+0xae5/0xd80 [ 153.509309] ? find_held_lock+0x39/0x1d0 [ 153.509587] ? retint_kernel+0x10/0x10 [ 153.509926] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 153.510369] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 153.510709] ? retint_kernel+0x10/0x10 [ 153.511057] cache_grow_begin+0x86/0x400 [ 153.511408] fallback_alloc+0x150/0x2b0 [ 153.511685] ____cache_alloc_node+0x1cf/0x1e0 [ 153.512073] kmem_cache_alloc_trace+0x27d/0x750 [ 153.512475] ? lock_downgrade+0x990/0x990 [ 153.512766] kvm_dev_ioctl+0x216/0x1840 [ 153.513163] ? lock_release+0xd70/0xd70 [ 153.513519] ? install_new_memslots+0x420/0x420 [ 153.513961] ? check_noncircular+0x20/0x20 [ 153.514306] ? __handle_mm_fault+0x587/0x39c0 [ 153.514726] ? avc_has_extended_perms+0x7fa/0x12c0 [ 153.515122] ? avc_ss_reset+0x110/0x110 [ 153.515513] ? lock_downgrade+0x990/0x990 [ 153.515840] ? check_same_owner+0x320/0x320 [ 153.516250] ? __handle_mm_fault+0x39c0/0x39c0 [ 153.516583] ? vmacache_find+0x61/0x270 [ 153.516931] ? rcu_note_context_switch+0x710/0x710 [ 153.517266] ? install_new_memslots+0x420/0x420 [ 153.517667] do_vfs_ioctl+0x1b1/0x1530 [ 153.517980] ? _cond_resched+0x14/0x30 [ 153.518319] ? ioctl_preallocate+0x2b0/0x2b0 [ 153.518621] ? selinux_capable+0x40/0x40 [ 153.518973] ? putname+0xf3/0x130 [ 153.519221] ? security_file_ioctl+0x7d/0xb0 [ 153.519713] ? security_file_ioctl+0x89/0xb0 [ 153.520046] SyS_ioctl+0x8f/0xc0 [ 153.520343] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 153.520665] RIP: 0033:0x435369 [ 153.520944] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 153.521583] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 153.522106] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000326 [ 153.522727] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 153.523207] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 153.523858] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 153.524408] CPU: 3 PID: 3050 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 153.524437] warn_alloc_show_mem: 2 callbacks suppressed [ 153.524439] Mem-Info: [ 153.524449] active_anon:2802 inactive_anon:42 isolated_anon:0 [ 153.524449] active_file:39 inactive_file:18 isolated_file:0 [ 153.524449] unevictable:0 dirty:9 writeback:1 unstable:0 [ 153.524449] slab_reclaimable:53667 slab_unreclaimable:329293 [ 153.524449] mapped:3 shmem:76 pagetables:297 bounce:0 [ 153.524449] free:18703 free_pcp:0 free_cma:0 [ 153.524459] Node 0 active_anon:1968kB inactive_anon:72kB active_file:156kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:36kB writeback:4kB shmem:84kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 153.524469] Node 1 active_anon:9240kB inactive_anon:96kB active_file:0kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 153.524473] Node 0 DMA free:4156kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 153.524486] lowmem_reserve[]: 0 886 886 886 [ 153.524504] Node 0 DMA32 free:38164kB min:36536kB low:45668kB high:54800kB active_anon:1968kB inactive_anon:72kB active_file:156kB inactive_file:4kB unevictable:0kB writepending:40kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2592kB pagetables:488kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 153.524519] lowmem_reserve[]: 0 0 0 0 [ 153.524536] Node 1 DMA32 free:32492kB min:30404kB low:38004kB high:45604kB active_anon:9240kB inactive_anon:96kB active_file:0kB inactive_file:68kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1280kB pagetables:700kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 153.524549] lowmem_reserve[]: 0 0 0 0 [ 153.524566] Node 0 DMA: 5*4kB (UE) 1*8kB (U) 0*16kB 1*32kB (E) 2*64kB (UE) 1*128kB (E) 1*256kB (E) 1*512kB (U) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4156kB [ 153.524637] Node 0 DMA32: 267*4kB (UM) 353*8kB (UMH) 274*16kB (UM) 134*32kB (UM) 68*64kB (UME) 24*128kB (ME) 11*256kB (M) 2*512kB (UM) 2*1024kB (UM) 4*2048kB (UME) 1*4096kB (M) = 38164kB [ 153.524716] Node 1 DMA32: 226*4kB (UMH) 207*8kB (UM) 198*16kB (UMEH) 116*32kB (UMEH) 52*64kB (UM) 9*128kB (UME) 1*256kB (M) 2*512kB (ME) 1*1024kB (E) 4*2048kB (UM) 2*4096kB (M) = 32608kB [ 153.524796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 153.524800] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 153.524804] 137 total pagecache pages [ 153.524810] 0 pages in swap cache [ 153.524815] Swap cache stats: add 0, delete 0, find 0/0 [ 153.524822] Free swap = 0kB [ 153.524838] Total swap = 0kB [ 153.524842] 524186 pages RAM [ 153.524845] 0 pages HighMem/MovableOnly [ 153.524849] 103968 pages reserved [ 153.544441] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 153.545002] Call Trace: [ 153.545180] dump_stack+0x194/0x257 [ 153.545422] ? arch_local_irq_restore+0x53/0x53 [ 153.545759] warn_alloc+0x1c2/0x2f0 [ 153.546005] ? zone_watermark_ok_safe+0x430/0x430 [ 153.546325] ? mutex_unlock+0xd/0x10 [ 153.546599] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 153.546967] ? warn_alloc+0x2f0/0x2f0 [ 153.547221] ? SyS_ioctl+0x8f/0xc0 [ 153.547471] ? warn_alloc+0x2f0/0x2f0 [ 153.547735] ? save_stack_trace+0x16/0x20 [ 153.548034] ? check_noncircular+0x20/0x20 [ 153.548327] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 153.548697] ? find_held_lock+0x39/0x1d0 [ 153.548988] ? lock_downgrade+0x990/0x990 [ 153.549930] ? check_same_owner+0x320/0x320 [ 153.550224] ? rcu_note_context_switch+0x710/0x710 [ 153.550547] ? check_noncircular+0x20/0x20 [ 153.550838] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 153.551286] ? __might_sleep+0x95/0x190 [ 153.551554] __alloc_pages_nodemask+0x9f7/0xd80 [ 153.551880] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 153.552224] ? __alloc_pages_nodemask+0xae5/0xd80 [ 153.552550] ? find_held_lock+0x39/0x1d0 [ 153.552860] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 153.553394] ? cache_grow_begin+0x31b/0x400 [ 153.553732] cache_grow_begin+0x86/0x400 [ 153.554029] fallback_alloc+0x150/0x2b0 [ 153.554370] ____cache_alloc_node+0x1cf/0x1e0 [ 153.554824] kmem_cache_alloc_trace+0x27d/0x750 [ 153.555286] ? lock_downgrade+0x990/0x990 [ 153.555694] kvm_dev_ioctl+0x216/0x1840 [ 153.556083] ? lock_release+0xd70/0xd70 [ 153.556475] ? install_new_memslots+0x420/0x420 [ 153.556957] ? avc_has_extended_perms+0x7fa/0x12c0 [ 153.557692] ? unwind_get_return_address+0x61/0xa0 [ 153.558177] ? avc_ss_reset+0x110/0x110 [ 153.558587] ? putname+0xee/0x130 [ 153.558941] ? save_stack+0xa3/0xd0 [ 153.559298] ? save_stack_trace+0x16/0x20 [ 153.559723] ? save_stack+0x43/0xd0 [ 153.560118] ? kasan_slab_free+0x71/0xc0 [ 153.560547] ? kmem_cache_free+0x77/0x280 [ 153.560973] ? putname+0xee/0x130 [ 153.561330] ? do_sys_open+0x31b/0x6d0 [ 153.561742] ? __lock_is_held+0xbc/0x140 [ 153.562183] ? check_same_owner+0x320/0x320 [ 153.562626] ? rcu_note_context_switch+0x710/0x710 [ 153.563125] ? install_new_memslots+0x420/0x420 [ 153.563560] do_vfs_ioctl+0x1b1/0x1530 [ 153.563947] ? _cond_resched+0x14/0x30 [ 153.564328] ? ioctl_preallocate+0x2b0/0x2b0 [ 153.564771] ? selinux_capable+0x40/0x40 [ 153.565130] ? putname+0xf3/0x130 [ 153.565453] ? security_file_ioctl+0x7d/0xb0 [ 153.565838] ? security_file_ioctl+0x89/0xb0 [ 153.566214] SyS_ioctl+0x8f/0xc0 [ 153.566487] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 153.566922] RIP: 0033:0x435369 [ 153.567248] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 153.568005] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 153.568711] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002d5 [ 153.569418] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 153.570137] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 153.571133] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 Connection to localhost closed by remote host. [ 153.605409] sshd (3040) used greatest stack depth: 11472 bytes left [ 153.634503] syzkaller996775: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 153.636607] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 153.637359] CPU: 2 PID: 3048 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 153.638543] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 153.640730] Call Trace: [ 153.641092] dump_stack+0x194/0x257 [ 153.641577] ? arch_local_irq_restore+0x53/0x53 [ 153.642381] warn_alloc+0x1c2/0x2f0 [ 153.643019] ? zone_watermark_ok_safe+0x430/0x430 [ 153.643954] ? mutex_unlock+0xd/0x10 [ 153.644357] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 153.644902] ? warn_alloc+0x2f0/0x2f0 [ 153.645721] ? SyS_ioctl+0x8f/0xc0 [ 153.646332] ? warn_alloc+0x2f0/0x2f0 [ 153.646818] ? save_stack_trace+0x16/0x20 [ 153.647250] ? check_noncircular+0x20/0x20 [ 153.647694] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 153.648243] ? find_held_lock+0x39/0x1d0 [ 153.648690] ? lock_downgrade+0x990/0x990 [ 153.649141] ? check_same_owner+0x320/0x320 [ 153.649579] ? rcu_note_context_switch+0x710/0x710 [ 153.650062] ? check_noncircular+0x20/0x20 [ 153.650476] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 153.651124] ? __might_sleep+0x95/0x190 [ 153.651528] __alloc_pages_nodemask+0x9f7/0xd80 [ 153.652018] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 153.652531] ? __alloc_pages_nodemask+0xae5/0xd80 [ 153.653184] ? find_held_lock+0x39/0x1d0 [ 153.653869] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 153.654718] ? cache_grow_begin+0x31b/0x400 [ 153.655448] cache_grow_begin+0x86/0x400 [ 153.656404] fallback_alloc+0x150/0x2b0 [ 153.657147] ____cache_alloc_node+0x1cf/0x1e0 [ 153.658058] kmem_cache_alloc_trace+0x27d/0x750 [ 153.658774] ? lock_downgrade+0x990/0x990 [ 153.659513] kvm_dev_ioctl+0x216/0x1840 [ 153.660222] ? lock_release+0xd70/0xd70 [ 153.660954] ? install_new_memslots+0x420/0x420 [ 153.661756] ? avc_has_extended_perms+0x7fa/0x12c0 [ 153.662554] ? unwind_get_return_address+0x61/0xa0 [ 153.663379] ? avc_ss_reset+0x110/0x110 [ 153.664041] ? putname+0xee/0x130 [ 153.664624] ? save_stack+0xa3/0xd0 [ 153.665409] ? save_stack_trace+0x16/0x20 [ 153.666121] ? save_stack+0x43/0xd0 [ 153.666747] ? kasan_slab_free+0x71/0xc0 [ 153.666777] syzkaller996775: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 153.666796] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 153.670311] ? kmem_cache_free+0x77/0x280 [ 153.670753] ? putname+0xee/0x130 [ 153.671084] ? do_sys_open+0x31b/0x6d0 [ 153.671461] ? __lock_is_held+0xbc/0x140 [ 153.671867] ? check_same_owner+0x320/0x320 [ 153.672283] ? rcu_note_context_switch+0x710/0x710 [ 153.672758] ? install_new_memslots+0x420/0x420 [ 153.673212] do_vfs_ioctl+0x1b1/0x1530 [ 153.673577] ? _cond_resched+0x14/0x30 [ 153.673954] ? ioctl_preallocate+0x2b0/0x2b0 [ 153.674374] ? selinux_capable+0x40/0x40 [ 153.674770] ? putname+0xf3/0x130 [ 153.675153] ? security_file_ioctl+0x7d/0xb0 [ 153.675783] ? security_file_ioctl+0x89/0xb0 [ 153.676552] SyS_ioctl+0x8f/0xc0 [ 153.677538] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 153.678359] RIP: 0033:0x435369 [ 153.678889] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 153.680140] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 153.681312] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002f9 [ 153.682492] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 153.683661] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 153.684675] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 153.685734] CPU: 0 PID: 3043 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 153.687266] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 153.688264] Call Trace: [ 153.688626] dump_stack+0x194/0x257 [ 153.689024] ? arch_local_irq_restore+0x53/0x53 [ 153.689577] ? flush_work+0x621/0x930 [ 153.689902] warn_alloc+0x1c2/0x2f0 [ 153.690197] ? zone_watermark_ok_safe+0x430/0x430 [ 153.691009] ? mutex_unlock+0xd/0x10 [ 153.691384] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 153.692046] ? warn_alloc+0x2f0/0x2f0 [ 153.692426] ? SyS_ioctl+0x8f/0xc0 [ 153.692955] ? warn_alloc+0x2f0/0x2f0 [ 153.693321] ? save_stack_trace+0x16/0x20 [ 153.693779] ? check_noncircular+0x20/0x20 [ 153.694213] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 153.694891] ? find_held_lock+0x39/0x1d0 [ 153.695392] ? lock_downgrade+0x990/0x990 [ 153.696211] ? check_same_owner+0x320/0x320 [ 153.696928] ? rcu_note_context_switch+0x710/0x710 [ 153.697417] ? check_noncircular+0x20/0x20 [ 153.697810] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 153.698452] ? __might_sleep+0x95/0x190 [ 153.699168] __alloc_pages_nodemask+0x9f7/0xd80 [ 153.699961] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 153.700768] ? __alloc_pages_nodemask+0xae5/0xd80 [ 153.701552] ? find_held_lock+0x39/0x1d0 [ 153.701839] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 153.702358] ? cache_grow_begin+0x31b/0x400 [ 153.702798] cache_grow_begin+0x86/0x400 [ 153.703275] fallback_alloc+0x150/0x2b0 [ 153.703686] ____cache_alloc_node+0x1cf/0x1e0 [ 153.704114] kmem_cache_alloc_trace+0x27d/0x750 [ 153.704514] ? lock_downgrade+0x990/0x990 [ 153.704892] kvm_dev_ioctl+0x216/0x1840 [ 153.705283] ? lock_release+0xd70/0xd70 [ 153.705688] ? install_new_memslots+0x420/0x420 [ 153.706182] ? avc_has_extended_perms+0x7fa/0x12c0 [ 153.706690] ? unwind_get_return_address+0x61/0xa0 [ 153.707229] ? avc_ss_reset+0x110/0x110 [ 153.707629] ? putname+0xee/0x130 [ 153.707982] ? save_stack+0xa3/0xd0 [ 153.708359] ? save_stack_trace+0x16/0x20 [ 153.708797] ? save_stack+0x43/0xd0 [ 153.709170] ? kasan_slab_free+0x71/0xc0 [ 153.709595] ? kmem_cache_free+0x77/0x280 [ 153.709993] ? putname+0xee/0x130 [ 153.710339] ? do_sys_open+0x31b/0x6d0 [ 153.710713] ? __lock_is_held+0xbc/0x140 [ 153.711146] ? check_same_owner+0x320/0x320 [ 153.711590] ? rcu_note_context_switch+0x710/0x710 [ 153.712105] ? install_new_memslots+0x420/0x420 [ 153.712568] do_vfs_ioctl+0x1b1/0x1530 [ 153.712961] ? _cond_resched+0x14/0x30 [ 153.713356] ? ioctl_preallocate+0x2b0/0x2b0 [ 153.713733] ? selinux_capable+0x40/0x40 [ 153.714148] ? putname+0xf3/0x130 [ 153.714517] ? security_file_ioctl+0x7d/0xb0 [ 153.714862] ? security_file_ioctl+0x89/0xb0 [ 153.715164] SyS_ioctl+0x8f/0xc0 [ 153.715438] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 153.715809] RIP: 0033:0x435369 [ 153.716021] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 153.716559] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 153.717083] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000327 [ 153.717834] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 153.718492] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 153.718992] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 154.255622] syzkaller996775 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 154.259666] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 154.263867] CPU: 0 PID: 3048 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 154.265468] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 154.266168] Call Trace: [ 154.266401] dump_stack+0x194/0x257 [ 154.266753] ? arch_local_irq_restore+0x53/0x53 [ 154.267161] ? check_noncircular+0x20/0x20 [ 154.267526] dump_header+0x234/0xa0e [ 154.267864] ? pagefault_out_of_memory+0x152/0x152 [ 154.268337] ? lock_acquire+0x1d5/0x580 [ 154.268693] ? ___ratelimit+0x152/0x630 [ 154.269078] ? do_raw_spin_trylock+0x190/0x190 [ 154.269497] ? mark_held_locks+0xb2/0x100 [ 154.269886] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 154.270332] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 154.270767] ? trace_hardirqs_on+0xd/0x10 [ 154.271177] ? ___ratelimit+0x95/0x630 [ 154.271616] ? idr_get_free+0xff0/0xff0 [ 154.271961] ? find_lock_task_mm+0x1c2/0x460 [ 154.272369] oom_kill_process+0x86d/0x13d0 [ 154.272678] ? lock_release+0xd30/0xd70 [ 154.272990] ? lock_release+0xd70/0xd70 [ 154.273444] ? oom_evaluate_task+0x480/0x480 [ 154.273945] ? find_lock_task_mm+0x23b/0x460 [ 154.275290] ? task_will_free_mem+0xaa0/0xaa0 [ 154.275730] ? check_noncircular+0x20/0x20 [ 154.276175] ? lock_downgrade+0x990/0x990 [ 154.276585] ? oom_badness+0xdf/0xb80 [ 154.276911] ? find_held_lock+0x39/0x1d0 [ 154.277259] ? lock_downgrade+0x990/0x990 [ 154.277596] ? oom_unkillable_task+0x33d/0x4c0 [ 154.277946] ? oom_reaper+0x4d0/0x4d0 [ 154.278266] ? retint_kernel+0x10/0x10 [ 154.278568] ? oom_evaluate_task+0x284/0x480 [ 154.278910] out_of_memory+0x7dd/0x11d0 [ 154.279315] ? oom_killer_disable+0x310/0x310 [ 154.279882] ? mutex_trylock+0x23a/0x2d0 [ 154.280315] ? rcu_pm_notify+0xc0/0xc0 [ 154.280700] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 154.281324] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 154.281784] ? warn_alloc+0x2f0/0x2f0 [ 154.282148] ? kvm_vm_release+0x42/0x50 [ 154.282504] ? warn_alloc+0x2f0/0x2f0 [ 154.282836] ? save_stack_trace+0x16/0x20 [ 154.283225] ? check_noncircular+0x20/0x20 [ 154.283604] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 154.284080] ? do_raw_spin_trylock+0x190/0x190 [ 154.284486] ? find_held_lock+0x39/0x1d0 [ 154.284855] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 154.285353] ? check_same_owner+0x320/0x320 [ 154.285729] ? __might_sleep+0x95/0x190 [ 154.286001] __alloc_pages_nodemask+0x9f7/0xd80 [ 154.286339] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 154.286678] ? __alloc_pages_nodemask+0xae5/0xd80 [ 154.287011] ? find_held_lock+0x39/0x1d0 [ 154.287309] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 154.287685] ? cache_grow_begin+0x31b/0x400 [ 154.287996] cache_grow_begin+0x86/0x400 [ 154.288305] fallback_alloc+0x150/0x2b0 [ 154.288612] ____cache_alloc_node+0x1cf/0x1e0 [ 154.288942] kmem_cache_alloc_trace+0x27d/0x750 [ 154.289315] ? refcount_sub_and_test+0x115/0x1b0 [ 154.289662] kvm_uevent_notify_change.part.38+0x8d/0x430 [ 154.290051] ? kvm_put_kvm+0xdf0/0xdf0 [ 154.290314] kvm_put_kvm+0x181/0xdf0 [ 154.290587] ? kvm_clear_guest+0xb0/0xb0 [ 154.290888] ? fcntl_setlk+0x10d0/0x10d0 [ 154.291182] ? _raw_spin_unlock_irq+0x27/0x70 [ 154.291491] ? kvm_irqfd_release+0xdd/0x120 [ 154.291785] ? kvm_irqfd_release+0xdd/0x120 [ 154.292107] ? kvm_put_kvm+0xdf0/0xdf0 [ 154.292380] kvm_vm_release+0x42/0x50 [ 154.292678] __fput+0x333/0x7f0 [ 154.292918] ? fput+0x140/0x140 [ 154.293199] ? check_same_owner+0x320/0x320 [ 154.293503] ? _raw_spin_unlock_irq+0x27/0x70 [ 154.293826] ____fput+0x15/0x20 [ 154.294089] task_work_run+0x199/0x270 [ 154.294370] ? task_work_cancel+0x210/0x210 [ 154.294665] ? _raw_spin_unlock+0x22/0x30 [ 154.294953] ? switch_task_namespaces+0x87/0xc0 [ 154.295291] do_exit+0xa52/0x1b40 [ 154.295524] ? try_to_wake_up+0xbc/0x1600 [ 154.295810] ? save_stack_trace+0x16/0x20 [ 154.296449] ? __asan_loadN+0x1/0x20 [ 154.296785] ? mm_update_next_owner+0x930/0x930 [ 154.297187] ? __send_signal+0xde2/0x17a0 [ 154.297476] ? send_signal+0x4a/0xc0 [ 154.297734] ? __vfs_write+0x68a/0x970 [ 154.298002] ? vfs_write+0x18f/0x510 [ 154.298280] ? SyS_write+0xef/0x220 [ 154.298536] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 154.298882] ? trace_hardirqs_off+0xd/0x10 [ 154.299195] ? _raw_spin_unlock_irqrestore+0xa6/0xba [ 154.299570] ? try_to_wake_up+0xf9/0x1600 [ 154.299848] ? find_held_lock+0x39/0x1d0 [ 154.300163] ? migrate_swap_stop+0x970/0x970 [ 154.300472] ? lock_downgrade+0x990/0x990 [ 154.300746] ? check_noncircular+0x20/0x20 [ 154.301062] ? find_held_lock+0x39/0x1d0 [ 154.301388] ? find_held_lock+0x39/0x1d0 [ 154.301678] ? lock_downgrade+0x990/0x990 [ 154.301955] ? recalc_sigpending_tsk+0x107/0x150 [ 154.302320] ? recalc_sigpending+0x103/0x160 [ 154.302640] ? recalc_sigpending_tsk+0x150/0x150 [ 154.302955] ? get_signal+0x397/0x17e0 [ 154.303243] do_group_exit+0x149/0x400 [ 154.303505] ? __lock_is_held+0xbc/0x140 [ 154.303773] ? SyS_exit+0x30/0x30 [ 154.304009] ? _raw_spin_unlock_irq+0x27/0x70 [ 154.304368] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 154.304718] get_signal+0x7e8/0x17e0 [ 154.305000] ? ptrace_notify+0x130/0x130 [ 154.305351] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 154.305667] ? mark_held_locks+0xb2/0x100 [ 154.305945] ? wait_for_completion+0x770/0x770 [ 154.306260] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 154.306614] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 154.306943] ? trace_hardirqs_on+0xd/0x10 [ 154.307245] do_signal+0x94/0x1ee0 [ 154.307486] ? __lock_task_sighand+0x6e0/0x6e0 [ 154.307804] ? lock_downgrade+0x990/0x990 [ 154.308102] ? setup_sigcontext+0x7d0/0x7d0 [ 154.308389] ? mutex_unlock+0xd/0x10 [ 154.308641] ? pipe_write+0x5eb/0xd70 [ 154.308918] ? iov_iter_init+0xaf/0x1d0 [ 154.309276] ? default_llseek+0x2a0/0x2a0 [ 154.309566] ? selinux_capset+0x100/0x100 [ 154.309850] ? exit_to_usermode_loop+0x98/0x300 [ 154.310199] exit_to_usermode_loop+0x224/0x300 [ 154.310511] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 154.310882] ? rw_verify_area+0xe5/0x2b0 [ 154.311177] ? __fdget_raw+0x20/0x20 [ 154.311443] syscall_return_slowpath+0x42f/0x500 [ 154.311772] ? prepare_exit_to_usermode+0x2c0/0x2c0 [ 154.312144] ? SyS_write+0x184/0x220 [ 154.312400] ? entry_SYSCALL_64_fastpath+0x91/0xbe [ 154.312738] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 154.313120] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 154.313458] entry_SYSCALL_64_fastpath+0xbc/0xbe [ 154.313777] RIP: 0033:0x435369 [ 154.313998] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000286 ORIG_RAX: 0000000000000001 [ 154.314538] RAX: ffffffffffffffe0 RBX: ffffffffffffffff RCX: 0000000000435369 [ 154.315011] RDX: 0000000000000012 RSI: 0000000000493be4 RDI: 0000000000000001 [ 154.315495] RBP: 6d766b2f7665642f R08: 0000000000000000 R09: 0000000000000000 [ 154.315978] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 154.316468] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 154.317051] Mem-Info: [ 154.317595] active_anon:2783 inactive_anon:41 isolated_anon:0 [ 154.317595] active_file:64 inactive_file:4 isolated_file:27 [ 154.317595] unevictable:0 dirty:0 writeback:0 unstable:0 [ 154.317595] slab_reclaimable:53668 slab_unreclaimable:329383 [ 154.317595] mapped:17 shmem:75 pagetables:243 bounce:0 [ 154.317595] free:18226 free_pcp:429 free_cma:0 [ 154.320809] Node 0 active_anon:1896kB inactive_anon:72kB active_file:128kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):108kB mapped:0kB dirty:0kB writeback:0kB shmem:84kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 154.322663] Node 1 active_anon:9236kB inactive_anon:92kB active_file:128kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:76kB dirty:0kB writeback:0kB shmem:216kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 154.324470] Node 0 DMA free:4156kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 154.326264] lowmem_reserve[]: 0 886 886 886 [ 154.326570] Node 0 DMA32 free:37532kB min:36536kB low:45668kB high:54800kB active_anon:1896kB inactive_anon:72kB active_file:28kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2560kB pagetables:436kB bounce:0kB free_pcp:952kB local_pcp:320kB free_cma:0kB [ 154.328488] lowmem_reserve[]: 0 0 0 0 [ 154.328849] Node 1 DMA32 free:31216kB min:30404kB low:38004kB high:45604kB active_anon:9236kB inactive_anon:92kB active_file:0kB inactive_file:88kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1280kB pagetables:536kB bounce:0kB free_pcp:764kB local_pcp:0kB free_cma:0kB [ 154.331376] lowmem_reserve[]: 0 0 0 0 [ 154.331742] Node 0 DMA: 5*4kB (UE) 1*8kB (U) 0*16kB 1*32kB (E) 2*64kB (UE) 1*128kB (E) 1*256kB (E) 1*512kB (U) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4156kB [ 154.332872] Node 0 DMA32: 98*4kB (UM) 345*8kB (UMEH) 276*16kB (UME) 139*32kB (UME) 69*64kB (UM) 23*128kB (M) 11*256kB (M) 2*512kB (UM) 2*1024kB (UM) 4*2048kB (UME) 1*4096kB (M) = 37552kB [ 154.334201] Node 1 DMA32: 90*4kB (UMEH) 203*8kB (UM) 187*16kB (UMH) 118*32kB (UMEH) 54*64kB (UM) 8*128kB (ME) 2*256kB (UM) 3*512kB (UME) 2*1024kB (UE) 3*2048kB (M) 2*4096kB (M) = 31664kB [ 154.335925] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 154.336526] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 154.337168] 156 total pagecache pages [ 154.337412] 0 pages in swap cache [ 154.337641] Swap cache stats: add 0, delete 0, find 0/0 [ 154.337990] Free swap = 0kB [ 154.338283] Total swap = 0kB [ 154.338561] 524186 pages RAM [ 154.339087] 0 pages HighMem/MovableOnly [ 154.339343] 103968 pages reserved [ 154.339568] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 154.340227] [ 1512] 0 1512 7097 1881 20 3 0 -1000 udevd [ 154.340804] [ 2920] 0 2920 30583 148 24 3 0 0 rsyslogd [ 154.341462] [ 2960] 0 2960 4725 48 14 3 0 0 cron [ 154.342060] [ 2983] 0 2983 12490 153 28 3 0 -1000 sshd [ 154.342710] [ 3009] 0 3009 3694 41 13 3 0 0 getty [ 154.343527] [ 3010] 0 3010 3694 41 13 3 0 0 getty [ 154.344347] [ 3011] 0 3011 3694 42 14 3 0 0 getty [ 154.345189] [ 3012] 0 3012 3694 42 13 3 0 0 getty [ 154.345946] [ 3013] 0 3013 3694 41 12 3 0 0 getty [ 154.346747] [ 3014] 0 3014 3694 40 13 3 0 0 getty [ 154.347347] [ 3015] 0 3015 3649 39 13 3 0 0 getty [ 154.348140] [ 3016] 0 3016 5348 147 15 3 0 -1000 udevd [ 154.348964] [ 3017] 0 3017 5347 147 15 3 0 -1000 udevd [ 154.349772] [ 3044] 0 3044 4366 12 5 2 0 0 syzkaller996775 [ 154.350647] [ 3046] 0 3046 4366 12 5 2 0 0 syzkaller996775 [ 154.351554] Out of memory: Kill process 2920 (rsyslogd) score 0 or sacrifice child [ 154.352422] Killed process 2920 (rsyslogd) total-vm:122332kB, anon-rss:592kB, file-rss:0kB, shmem-rss:0kB [ 154.352602] rs:main Q:Reg (2924) used greatest stack depth: 9360 bytes left [ 154.355675] oom_reaper: reaped process 2920 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 154.367408] syzkaller996775 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 154.368486] syzkaller996775 cpuset=/ mems_allowed=0-1 [ 154.369004] CPU: 3 PID: 3044 Comm: syzkaller996775 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 154.369740] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 154.370447] Call Trace: [ 154.370681] dump_stack+0x194/0x257 [ 154.371050] ? arch_local_irq_restore+0x53/0x53 [ 154.371363] ? check_noncircular+0x20/0x20 [ 154.371653] dump_header+0x234/0xa0e [ 154.371918] ? pagefault_out_of_memory+0x152/0x152 [ 154.372245] ? lock_acquire+0x1d5/0x580 [ 154.372528] ? ___ratelimit+0x152/0x630 [ 154.372906] ? do_raw_spin_trylock+0x190/0x190 [ 154.373310] ? mark_held_locks+0xb2/0x100 [ 154.373692] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 154.374168] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 154.374617] ? trace_hardirqs_on+0xd/0x10 [ 154.374991] ? ___ratelimit+0x95/0x630 [ 154.375489] ? idr_get_free+0xff0/0xff0 [ 154.375862] ? find_lock_task_mm+0x1c2/0x460 [ 154.376254] oom_kill_process+0x86d/0x13d0 [ 154.376654] ? lock_release+0xd30/0xd70 [ 154.377027] ? lock_release+0xd70/0xd70 [ 154.377387] ? oom_evaluate_task+0x480/0x480 [ 154.377772] ? find_lock_task_mm+0x23b/0x460 [ 154.378173] ? task_will_free_mem+0xaa0/0xaa0 [ 154.378562] ? check_noncircular+0x20/0x20 [ 154.378951] ? lock_downgrade+0x990/0x990 [ 154.379323] ? oom_badness+0xdf/0xb80 [ 154.379658] ? find_held_lock+0x39/0x1d0 [ 154.380039] ? lock_downgrade+0x990/0x990 [ 154.380409] ? oom_unkillable_task+0x33d/0x4c0 [ 154.380813] ? out_of_memory+0x921/0x11d0 [ 154.381520] ? oom_reaper+0x4d0/0x4d0 [ 154.382274] ? lock_release+0xd70/0xd70 [ 154.382618] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 154.383059] ? oom_evaluate_task+0x284/0x480 [ 154.383444] out_of_memory+0x7dd/0x11d0 [ 154.383790] ? oom_killer_disable+0x310/0x310 [ 154.384180] ? mutex_trylock+0x23a/0x2d0 [ 154.384535] ? rcu_pm_notify+0xc0/0xc0 [ 154.384905] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 154.385444] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 154.385979] ? warn_alloc+0x2f0/0x2f0 [ 154.386402] ? do_sys_open+0x2e7/0x6d0 [ 154.386742] ? warn_alloc+0x2f0/0x2f0 [ 154.387070] ? save_stack_trace+0x16/0x20 [ 154.387425] ? check_noncircular+0x20/0x20 [ 154.387804] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 154.388255] ? lru_cache_add+0x1c7/0x3a0 [ 154.388610] ? lru_cache_add_file+0x20/0x20 [ 154.388953] ? find_held_lock+0x39/0x1d0 [ 154.389256] ? check_same_owner+0x320/0x320 [ 154.389548] ? __might_sleep+0x95/0x190 [ 154.389819] __alloc_pages_nodemask+0x9f7/0xd80 [ 154.390154] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 154.390490] ? __alloc_pages_nodemask+0xae5/0xd80 [ 154.390815] ? find_held_lock+0x39/0x1d0 [ 154.391097] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 154.391450] ? cache_grow_begin+0x31b/0x400 [ 154.391764] cache_grow_begin+0x86/0x400 [ 154.392062] fallback_alloc+0x150/0x2b0 [ 154.392344] ____cache_alloc_node+0x1cf/0x1e0 [ 154.392646] kmem_cache_alloc+0x287/0x760 [ 154.392942] getname_flags+0xcb/0x580 [ 154.393247] ? do_page_fault+0x70/0x70 [ 154.393598] getname+0x19/0x20 [ 154.393883] do_sys_open+0x2e7/0x6d0 [ 154.394222] ? filp_open+0x70/0x70 [ 154.394542] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 154.394982] SyS_openat+0x30/0x40 [ 154.395287] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 154.395697] RIP: 0033:0x435369 [ 154.395974] RSP: 002b:00007ffff800d5b8 EFLAGS: 00000217 ORIG_RAX: 0000000000000101 [ 154.396491] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 154.397118] RDX: 0000000000022000 RSI: 0000000020ceaff7 RDI: ffffffffffffff9c [ 154.397738] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 154.398356] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000000 [ 154.398974] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 154.399528] Mem-Info: [ 154.399902] active_anon:2627 inactive_anon:41 isolated_anon:0 [ 154.399902] active_file:64 inactive_file:4 isolated_file:27 [ 154.399902] unevictable:0 dirty:0 writeback:0 unstable:0 [ 154.399902] slab_reclaimable:53668 slab_unreclaimable:329384 [ 154.399902] mapped:17 shmem:75 pagetables:243 bounce:0 [ 154.399902] free:18234 free_pcp:587 free_cma:0 [ 154.402730] Node 0 active_anon:1384kB inactive_anon:72kB active_file:128kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):108kB mapped:0kB dirty:0kB writeback:0kB shmem:84kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 154.404542] Node 1 active_anon:9124kB inactive_anon:92kB active_file:144kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:76kB dirty:0kB writeback:0kB shmem:216kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 154.406328] Node 0 DMA free:4156kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 154.408120] lowmem_reserve[]: 0 886 886 886 [ 154.408460] Node 0 DMA32 free:37564kB min:36536kB low:45668kB high:54800kB active_anon:1384kB inactive_anon:72kB active_file:28kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2528kB pagetables:436kB bounce:0kB free_pcp:1464kB local_pcp:632kB free_cma:0kB [ 154.410409] lowmem_reserve[]: 0 0 0 0 [ 154.410685] Node 1 DMA32 free:31216kB min:30404kB low:38004kB high:45604kB active_anon:9124kB inactive_anon:92kB active_file:0kB inactive_file:72kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1280kB pagetables:536kB bounce:0kB free_pcp:884kB local_pcp:0kB free_cma:0kB [ 154.412886] lowmem_reserve[]: 0 0 0 0 [ 154.413312] Node 0 DMA: 5*4kB (UE) 1*8kB (U) 0*16kB 1*32kB (E) 2*64kB (UE) 1*128kB (E) 1*256kB (E) 1*512kB (U) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4156kB [ 154.415095] Node 0 DMA32: 98*4kB (UM) 345*8kB (UMEH) 276*16kB (UME) 142*32kB (UME) 69*64kB (UM) 23*128kB (M) 11*256kB (M) 2*512kB (UM) 2*1024kB (UM) 4*2048kB (UME) 1*4096kB (M) = 37648kB [ 154.416900] Node 1 DMA32: 90*4kB (UMEH) 203*8kB (UM) 187*16kB (UMH) 118*32kB (UMEH) 54*64kB (UM) 8*128kB (ME) 2*256kB (UM) 3*512kB (UME) 2*1024kB (UE) 3*2048kB (M) 2*4096kB (M) = 31664kB [ 154.418187] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 154.418886] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 154.419524] 156 total pagecache pages [ 154.419782] 0 pages in swap cache [ 154.420065] Swap cache stats: add 0, delete 0, find 0/0 [ 154.420466] Free swap = 0kB [ 154.420752] Total swap = 0kB [ 154.421090] 524186 pages RAM [ 154.421335] 0 pages HighMem/MovableOnly [ 154.421683] 103968 pages reserved [ 154.422043] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 154.422915] [ 1512] 0 1512 7097 1881 20 3 0 -1000 udevd [ 154.423745] [ 2926] 0 2920 30583 0 24 3 0 0 rsyslogd [ 154.424991] [ 2960] 0 2960 4725 48 14 3 0 0 cron [ 154.425799] [ 2983] 0 2983 12490 153 28 3 0 -1000 sshd [ 154.426559] [ 3009] 0 3009 3694 41 13 3 0 0 getty [ 154.427340] [ 3010] 0 3010 3694 41 13 3 0 0 getty [ 154.428127] [ 3011] 0 3011 3694 42 14 3 0 0 getty [ 154.428897] [ 3012] 0 3012 3694 42 13 3 0 0 getty [ 154.429703] [ 3013] 0 3013 3694 41 12 3 0 0 getty [ 154.430558] [ 3014] 0 3014 3694 40 13 3 0 0 getty [ 154.431480] [ 3015] 0 3015 3649 39 13 3 0 0 getty [ 154.432296] [ 3016] 0 3016 5348 147 15 3 0 -1000 udevd [ 154.433240] [ 3017] 0 3017 5347 147 15 3 0 -1000 udevd [ 154.434229] [ 3044] 0 3044 4366 12 5 2 0 0 syzkaller996775 [ 154.435237] [ 3046] 0 3046 4366 12 5 2 0 0 syzkaller996775 [ 154.436142] Out of memory: Kill process 2960 (cron) score 0 or sacrifice child [ 154.436805] Killed process 2960 (cron) total-vm:18900kB, anon-rss:188kB, file-rss:4kB, shmem-rss:0kB