B inactive_anon:1936kB active_file:836kB inactive_file:752kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 219136kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1017.562982] Node 1 active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1017.589345] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:48kB inactive_file:8kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1017.619108] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1017.624514] Node 0 DMA32 free:18080kB min:36380kB low:45472kB high:54564kB active_anon:728696kB inactive_anon:1936kB active_file:944kB inactive_file:712kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11520kB pagetables:24772kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1017.660449] lowmem_reserve[]: 0 0 0 0 0 [ 1017.664482] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1017.695373] lowmem_reserve[]: 0 0 0 0 0 [ 1017.699398] Node 1 Normal free:26476kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3744kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1017.729927] lowmem_reserve[]: 0 0 0 0 0 [ 1017.740997] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1017.756718] Node 0 DMA32: 2291*4kB (UMEH) 746*8kB (UMEH) 124*16kB (MEH) 11*32kB (UMH) 6*64kB (UMH) 2*128kB (UH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18108kB [ 1017.771681] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1017.788642] Node 1 Normal: 377*4kB (UME) 199*8kB (UME) 161*16kB (UM) 186*32kB (ME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26476kB [ 1017.805227] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1017.819734] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1017.828390] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1017.837310] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1017.845979] 976 total pagecache pages [ 1017.849781] 0 pages in swap cache [ 1017.854899] Swap cache stats: add 0, delete 0, find 0/0 [ 1017.862551] Free swap = 0kB [ 1017.865568] Total swap = 0kB [ 1017.868582] 1965979 pages RAM [ 1017.871717] 0 pages HighMem/MovableOnly [ 1017.875676] 335869 pages reserved [ 1017.879104] 0 pages cma reserved [ 1017.882509] Out of memory: Kill process 26363 (syz-executor.1) score 1005 or sacrifice child [ 1017.897201] Killed process 26363 (syz-executor.1) total-vm:72984kB, anon-rss:5716kB, file-rss:34816kB, shmem-rss:0kB [ 1017.974200] syz-executor.0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1017.987470] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1017.993121] CPU: 0 PID: 11876 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1018.001006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1018.010354] Call Trace: [ 1018.012944] dump_stack+0x142/0x197 [ 1018.016569] dump_header+0x177/0x6cd [ 1018.020267] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1018.025365] ? ___ratelimit+0x55/0x537 [ 1018.029234] oom_kill_process.cold+0x10/0xadd [ 1018.033709] ? oom_unkillable_task+0x294/0x390 [ 1018.038283] ? lock_downgrade+0x740/0x740 [ 1018.042416] out_of_memory+0x2ee/0x1180 [ 1018.046365] ? lock_acquire+0x16f/0x430 [ 1018.050323] ? oom_killer_disable+0x1d0/0x1d0 [ 1018.054855] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1018.059832] __alloc_pages_slowpath+0x2251/0x2930 [ 1018.064714] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1018.069598] ? warn_alloc+0xf0/0xf0 [ 1018.073233] ? __might_sleep+0x93/0xb0 [ 1018.077108] __alloc_pages_nodemask+0x62c/0x7a0 [ 1018.081774] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1018.086809] ? lock_downgrade+0x740/0x740 [ 1018.090992] alloc_pages_current+0xec/0x1e0 [ 1018.095313] __page_cache_alloc+0x248/0x3e0 [ 1018.099621] filemap_fault+0xcef/0x1de0 [ 1018.103622] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1018.108549] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1018.113197] ? lock_acquire+0x16f/0x430 [ 1018.117155] ? ext4_filemap_fault+0x7b/0xb0 [ 1018.121461] ext4_filemap_fault+0x83/0xb0 [ 1018.125586] __do_fault+0x104/0x390 [ 1018.129201] __handle_mm_fault+0x23bd/0x33d0 [ 1018.133588] ? copy_page_range+0x1de0/0x1de0 [ 1018.137986] ? find_held_lock+0x35/0x130 [ 1018.142049] ? handle_mm_fault+0x1b6/0x7c0 [ 1018.146268] handle_mm_fault+0x293/0x7c0 [ 1018.150331] __do_page_fault+0x4c1/0xb80 [ 1018.154381] ? vmalloc_fault+0xe30/0xe30 [ 1018.158421] ? page_fault+0x2f/0x50 [ 1018.162028] do_page_fault+0x71/0x511 [ 1018.165805] ? page_fault+0x2f/0x50 [ 1018.169408] page_fault+0x45/0x50 [ 1018.172839] RIP: 0033:0x40f162 [ 1018.176006] RSP: 002b:00007ffd56835da0 EFLAGS: 00010203 [ 1018.181346] RAX: 0000000000000aa4 RBX: 0000000000d18940 RCX: 000000000041518a [ 1018.188606] RDX: 0000000040000000 RSI: 00007ffd56835dd0 RDI: ffffffffffffffff [ 1018.195854] RBP: 0000000000000b79 R08: 0000000000000001 R09: 0000000000000001 [ 1018.203110] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 1018.210369] R13: 00007ffd56835dd0 R14: 0000000000d1899b R15: 00007ffd56835de0 [ 1018.255939] Mem-Info: [ 1018.258399] active_anon:199539 inactive_anon:486 isolated_anon:0 [ 1018.258399] active_file:226 inactive_file:200 isolated_file:0 [ 1018.258399] unevictable:3 dirty:398 writeback:0 unstable:0 [ 1018.258399] slab_reclaimable:14680 slab_unreclaimable:121345 [ 1018.258399] mapped:52290 shmem:540 pagetables:6645 bounce:0 [ 1018.258399] free:13734 free_pcp:91 free_cma:0 [ 1018.300539] Node 0 active_anon:725108kB inactive_anon:1936kB active_file:848kB inactive_file:808kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1560kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 219136kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1018.332526] Node 1 active_anon:73048kB inactive_anon:8kB active_file:28kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1018.359828] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:24kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1018.389854] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1018.399734] Node 0 DMA32 free:18112kB min:36380kB low:45472kB high:54564kB active_anon:723012kB inactive_anon:1936kB active_file:776kB inactive_file:648kB unevictable:12kB writepending:1516kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11488kB pagetables:24652kB bounce:0kB free_pcp:364kB local_pcp:120kB free_cma:0kB [ 1018.466281] lowmem_reserve[]: 0 0 0 0 0 [ 1018.485099] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1018.520694] lowmem_reserve[]: 0 0 0 0 0 [ 1018.530685] Node 1 Normal free:26752kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:48kB inactive_file:12kB unevictable:0kB writepending:44kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3744kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1018.559238] lowmem_reserve[]: 0 0 0 0 0 [ 1018.563336] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1018.579209] Node 0 DMA32: 2318*4kB (UMEH) 850*8kB (UMEH) 87*16kB (UMH) 8*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18104kB [ 1018.596590] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1018.607371] Node 1 Normal: 372*4kB (UME) 187*8kB (ME) 171*16kB (UM) 188*32kB (UME) 105*64kB (UM) 39*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26776kB [ 1018.623211] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1018.632104] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1018.671271] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1018.680391] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1018.688978] 980 total pagecache pages [ 1018.692938] 0 pages in swap cache [ 1018.696413] Swap cache stats: add 0, delete 0, find 0/0 [ 1018.701816] Free swap = 0kB [ 1018.704831] Total swap = 0kB [ 1018.707907] 1965979 pages RAM [ 1018.711077] 0 pages HighMem/MovableOnly [ 1018.715046] 335869 pages reserved [ 1018.718490] 0 pages cma reserved [ 1018.721933] Out of memory: Kill process 26496 (syz-executor.1) score 1005 or sacrifice child [ 1018.730595] Killed process 26496 (syz-executor.1) total-vm:72984kB, anon-rss:5616kB, file-rss:34816kB, shmem-rss:0kB [ 1018.884548] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1018.922126] rsyslogd cpuset=/ mems_allowed=0-1 [ 1018.926774] CPU: 1 PID: 7104 Comm: rsyslogd Not tainted 4.14.167-syzkaller #0 [ 1018.934041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1018.943401] Call Trace: [ 1018.945993] dump_stack+0x142/0x197 [ 1018.949622] dump_header+0x177/0x6cd [ 1018.953314] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1018.958396] ? ___ratelimit+0x55/0x537 [ 1018.962266] oom_kill_process.cold+0x10/0xadd [ 1018.966738] ? oom_unkillable_task+0x294/0x390 [ 1018.971300] ? lock_downgrade+0x740/0x740 [ 1018.975428] out_of_memory+0x2ee/0x1180 [ 1018.979380] ? lock_acquire+0x16f/0x430 [ 1018.983336] ? oom_killer_disable+0x1d0/0x1d0 [ 1018.987821] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1018.992749] __alloc_pages_slowpath+0x2251/0x2930 [ 1018.997682] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1019.002520] ? warn_alloc+0xf0/0xf0 [ 1019.006319] ? __might_sleep+0x93/0xb0 [ 1019.010200] __alloc_pages_nodemask+0x62c/0x7a0 [ 1019.014851] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1019.019887] ? lock_downgrade+0x740/0x740 [ 1019.024049] alloc_pages_current+0xec/0x1e0 [ 1019.028355] __page_cache_alloc+0x248/0x3e0 [ 1019.032665] filemap_fault+0xcef/0x1de0 [ 1019.036624] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1019.041660] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1019.046313] ? lock_acquire+0x16f/0x430 [ 1019.050285] ? ext4_filemap_fault+0x7b/0xb0 [ 1019.054592] ext4_filemap_fault+0x83/0xb0 [ 1019.058725] __do_fault+0x104/0x390 [ 1019.062340] __handle_mm_fault+0x23bd/0x33d0 [ 1019.066792] ? copy_page_range+0x1de0/0x1de0 [ 1019.071195] ? find_held_lock+0x35/0x130 [ 1019.075300] ? handle_mm_fault+0x1b6/0x7c0 [ 1019.079538] handle_mm_fault+0x293/0x7c0 [ 1019.083590] __do_page_fault+0x4c1/0xb80 [ 1019.087655] ? vmalloc_fault+0xe30/0xe30 [ 1019.091705] ? page_fault+0x2f/0x50 [ 1019.095337] do_page_fault+0x71/0x511 [ 1019.099119] ? page_fault+0x2f/0x50 [ 1019.102728] page_fault+0x45/0x50 [ 1019.106161] RIP: 0033:0x7f32141001fd [ 1019.109853] RSP: 002b:00007f321169fe30 EFLAGS: 00010293 [ 1019.115198] RAX: 0000000000000b34 RBX: 0000000001dce670 RCX: 00007f32141001fd [ 1019.122467] RDX: 0000000000000fff RSI: 00007f3212ed45a0 RDI: 0000000000000004 [ 1019.129726] RBP: 0000000000000000 R08: 0000000001db9260 R09: 0000000000000000 [ 1019.136988] R10: 6b36313834333a73 R11: 0000000000000293 R12: 000000000065e420 [ 1019.144259] R13: 00007f32116a09c0 R14: 00007f3214745040 R15: 0000000000000003 [ 1019.152475] Mem-Info: [ 1019.154901] active_anon:198138 inactive_anon:486 isolated_anon:0 [ 1019.154901] active_file:211 inactive_file:222 isolated_file:0 [ 1019.154901] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1019.154901] slab_reclaimable:14680 slab_unreclaimable:120944 [ 1019.154901] mapped:52290 shmem:540 pagetables:6615 bounce:0 [ 1019.154901] free:13757 free_pcp:7 free_cma:0 [ 1019.188260] Node 0 active_anon:719504kB inactive_anon:1936kB active_file:920kB inactive_file:820kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 219136kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1019.216485] Node 1 active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1019.243445] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:20kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1019.270175] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1019.275225] Node 0 DMA32 free:18176kB min:36380kB low:45472kB high:54564kB active_anon:717408kB inactive_anon:1936kB active_file:800kB inactive_file:832kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11424kB pagetables:24532kB bounce:0kB free_pcp:148kB local_pcp:28kB free_cma:0kB [ 1019.305481] lowmem_reserve[]: 0 0 0 0 0 [ 1019.309496] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1019.336296] lowmem_reserve[]: 0 0 0 0 0 [ 1019.340376] Node 1 Normal free:26352kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3680kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1019.369100] lowmem_reserve[]: 0 0 0 0 0 [ 1019.378473] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1019.394165] Node 0 DMA32: 2300*4kB (UMEH) 917*8kB (UMEH) 65*16kB (UMH) 7*32kB (H) 5*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18248kB [ 1019.408565] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1019.419339] Node 1 Normal: 376*4kB (UME) 188*8kB (UME) 159*16kB (UM) 186*32kB (ME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26352kB [ 1019.435050] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1019.443995] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1019.453913] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1019.462825] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1019.474777] 973 total pagecache pages [ 1019.478602] 0 pages in swap cache [ 1019.482092] Swap cache stats: add 0, delete 0, find 0/0 [ 1019.487450] Free swap = 0kB [ 1019.491162] Total swap = 0kB [ 1019.494200] 1965979 pages RAM [ 1019.497294] 0 pages HighMem/MovableOnly [ 1019.507428] 335869 pages reserved [ 1019.512444] 0 pages cma reserved [ 1019.515812] Out of memory: Kill process 19547 (syz-executor.2) score 1005 or sacrifice child [ 1019.524494] Killed process 19547 (syz-executor.2) total-vm:73512kB, anon-rss:5088kB, file-rss:34816kB, shmem-rss:0kB [ 1019.579279] oom_reaper: reaped process 19547 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1019.598320] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1019.611569] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1019.616985] CPU: 0 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1019.624775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1019.634129] Call Trace: [ 1019.636717] dump_stack+0x142/0x197 [ 1019.640329] dump_header+0x177/0x6cd [ 1019.644022] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1019.649104] ? ___ratelimit+0x55/0x537 [ 1019.653022] oom_kill_process.cold+0x10/0xadd [ 1019.657507] ? oom_unkillable_task+0x294/0x390 [ 1019.662083] ? lock_downgrade+0x740/0x740 [ 1019.666321] out_of_memory+0x2ee/0x1180 [ 1019.670284] ? lock_acquire+0x16f/0x430 [ 1019.674245] ? oom_killer_disable+0x1d0/0x1d0 [ 1019.678740] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1019.683650] __alloc_pages_slowpath+0x2251/0x2930 [ 1019.688473] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1019.693296] ? warn_alloc+0xf0/0xf0 [ 1019.696922] ? __might_sleep+0x93/0xb0 [ 1019.700793] __alloc_pages_nodemask+0x62c/0x7a0 [ 1019.705450] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1019.710455] ? lock_downgrade+0x740/0x740 [ 1019.714587] alloc_pages_current+0xec/0x1e0 [ 1019.718890] __page_cache_alloc+0x248/0x3e0 [ 1019.723193] filemap_fault+0xcef/0x1de0 [ 1019.727155] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1019.732068] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1019.736721] ? lock_acquire+0x16f/0x430 [ 1019.740767] ? ext4_filemap_fault+0x7b/0xb0 [ 1019.745071] ext4_filemap_fault+0x83/0xb0 [ 1019.749194] __do_fault+0x104/0x390 [ 1019.752799] __handle_mm_fault+0x23bd/0x33d0 [ 1019.757186] ? copy_page_range+0x1de0/0x1de0 [ 1019.761573] ? find_held_lock+0x35/0x130 [ 1019.765613] ? handle_mm_fault+0x1b6/0x7c0 [ 1019.769834] handle_mm_fault+0x293/0x7c0 [ 1019.773889] __do_page_fault+0x4c1/0xb80 [ 1019.777930] ? vmalloc_fault+0xe30/0xe30 [ 1019.781970] ? page_fault+0x2f/0x50 [ 1019.785596] do_page_fault+0x71/0x511 [ 1019.789384] ? page_fault+0x2f/0x50 [ 1019.792991] page_fault+0x45/0x50 [ 1019.796435] RIP: 0033:0x40f162 [ 1019.799604] RSP: 002b:00007fffe00b9da0 EFLAGS: 00010207 [ 1019.804954] RAX: 00000000000002d2 RBX: 0000000000000000 RCX: 000000000041518a [ 1019.812218] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1019.819475] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1019.826725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1019.833973] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1019.849621] Mem-Info: [ 1019.857404] active_anon:196875 inactive_anon:486 isolated_anon:0 [ 1019.857404] active_file:241 inactive_file:210 isolated_file:32 [ 1019.857404] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1019.857404] slab_reclaimable:14680 slab_unreclaimable:120946 [ 1019.857404] mapped:52290 shmem:540 pagetables:6587 bounce:0 [ 1019.857404] free:13722 free_pcp:30 free_cma:0 [ 1019.891031] Node 0 active_anon:714452kB inactive_anon:1936kB active_file:924kB inactive_file:804kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 219136kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1019.919395] Node 1 active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1019.945958] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:32kB inactive_file:20kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1019.973915] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1019.979004] Node 0 DMA32 free:18184kB min:36380kB low:45472kB high:54564kB active_anon:712356kB inactive_anon:1936kB active_file:784kB inactive_file:824kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11424kB pagetables:24420kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1020.019217] lowmem_reserve[]: 0 0 0 0 0 [ 1020.024676] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1020.055876] lowmem_reserve[]: 0 0 0 0 0 [ 1020.059899] Node 1 Normal free:26352kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3680kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1020.095908] lowmem_reserve[]: 0 0 0 0 0 [ 1020.099928] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1020.122485] Node 0 DMA32: 2141*4kB (MEH) 886*8kB (UMEH) 68*16kB (UMH) 9*32kB (UMH) 16*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18180kB [ 1020.137257] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1020.149233] Node 1 Normal: 376*4kB (UME) 188*8kB (UME) 159*16kB (UM) 186*32kB (ME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26352kB [ 1020.164934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1020.173815] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1020.182452] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1020.191318] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1020.199884] 973 total pagecache pages [ 1020.203737] 0 pages in swap cache [ 1020.207187] Swap cache stats: add 0, delete 0, find 0/0 [ 1020.213384] Free swap = 0kB [ 1020.216403] Total swap = 0kB [ 1020.219411] 1965979 pages RAM [ 1020.222574] 0 pages HighMem/MovableOnly [ 1020.226540] 335869 pages reserved [ 1020.229972] 0 pages cma reserved [ 1020.237111] Out of memory: Kill process 23816 (syz-executor.1) score 1005 or sacrifice child [ 1020.257796] Killed process 23816 (syz-executor.1) total-vm:72984kB, anon-rss:4688kB, file-rss:34816kB, shmem-rss:0kB [ 1020.305052] oom_reaper: reaped process 23816 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1020.352739] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1020.371502] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1020.387429] CPU: 1 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1020.395245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1020.404596] Call Trace: [ 1020.407192] dump_stack+0x142/0x197 [ 1020.410838] dump_header+0x177/0x6cd [ 1020.414576] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1020.419675] ? ___ratelimit+0x55/0x537 [ 1020.423568] oom_kill_process.cold+0x10/0xadd [ 1020.428061] ? oom_unkillable_task+0x294/0x390 [ 1020.432737] ? lock_downgrade+0x740/0x740 [ 1020.436977] out_of_memory+0x2ee/0x1180 [ 1020.440956] ? lock_acquire+0x16f/0x430 [ 1020.444946] ? oom_killer_disable+0x1d0/0x1d0 [ 1020.449444] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1020.454374] __alloc_pages_slowpath+0x2251/0x2930 [ 1020.459228] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1020.464078] ? warn_alloc+0xf0/0xf0 [ 1020.467717] ? __might_sleep+0x93/0xb0 [ 1020.471613] __alloc_pages_nodemask+0x62c/0x7a0 [ 1020.476283] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1020.481300] ? lock_downgrade+0x740/0x740 [ 1020.485456] alloc_pages_current+0xec/0x1e0 [ 1020.489780] __page_cache_alloc+0x248/0x3e0 [ 1020.494106] filemap_fault+0xcef/0x1de0 [ 1020.498144] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1020.503087] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1020.507762] ? lock_acquire+0x16f/0x430 [ 1020.511736] ? ext4_filemap_fault+0x7b/0xb0 [ 1020.516067] ext4_filemap_fault+0x83/0xb0 [ 1020.520215] __do_fault+0x104/0x390 [ 1020.523842] __handle_mm_fault+0x23bd/0x33d0 [ 1020.528252] ? copy_page_range+0x1de0/0x1de0 [ 1020.532685] ? find_held_lock+0x35/0x130 [ 1020.536744] ? handle_mm_fault+0x1b6/0x7c0 [ 1020.540995] handle_mm_fault+0x293/0x7c0 [ 1020.545065] __do_page_fault+0x4c1/0xb80 [ 1020.549130] ? vmalloc_fault+0xe30/0xe30 [ 1020.553195] ? page_fault+0x2f/0x50 [ 1020.556824] do_page_fault+0x71/0x511 [ 1020.560633] ? page_fault+0x2f/0x50 [ 1020.564262] page_fault+0x45/0x50 [ 1020.567713] RIP: 0033:0x40f162 [ 1020.570898] RSP: 002b:00007fffe00b9da0 EFLAGS: 00010207 [ 1020.576257] RAX: 00000000000002d2 RBX: 0000000000000000 RCX: 000000000041518a [ 1020.583525] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1020.590796] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1020.598067] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1020.605336] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1020.617261] Mem-Info: [ 1020.619705] active_anon:195725 inactive_anon:486 isolated_anon:0 [ 1020.619705] active_file:190 inactive_file:217 isolated_file:0 [ 1020.619705] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1020.619705] slab_reclaimable:14680 slab_unreclaimable:120947 [ 1020.619705] mapped:52290 shmem:540 pagetables:6550 bounce:0 [ 1020.619705] free:13701 free_pcp:30 free_cma:0 [ 1020.654642] Node 0 active_anon:709852kB inactive_anon:1936kB active_file:840kB inactive_file:816kB unevictable:12kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 219136kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1020.683020] Node 1 active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1020.709425] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:20kB inactive_file:44kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1020.739302] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1020.744411] Node 0 DMA32 free:18156kB min:36380kB low:45472kB high:54564kB active_anon:707756kB inactive_anon:1936kB active_file:932kB inactive_file:736kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11392kB pagetables:24272kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1020.778516] lowmem_reserve[]: 0 0 0 0 0 [ 1020.787914] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1020.816146] lowmem_reserve[]: 0 0 0 0 0 [ 1020.820366] Node 1 Normal free:26356kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3680kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1020.848823] lowmem_reserve[]: 0 0 0 0 0 [ 1020.852859] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1020.868556] Node 0 DMA32: 2133*4kB (MEH) 887*8kB (UMEH) 67*16kB (MH) 8*32kB (MH) 13*64kB (UMH) 3*128kB (UH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18172kB [ 1020.883424] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1020.894217] Node 1 Normal: 377*4kB (UME) 188*8kB (UME) 159*16kB (UM) 186*32kB (ME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26356kB [ 1020.909911] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1020.918781] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1020.927395] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1020.937093] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1020.945713] 979 total pagecache pages [ 1020.949515] 0 pages in swap cache [ 1020.953023] Swap cache stats: add 0, delete 0, find 0/0 [ 1020.958373] Free swap = 0kB [ 1020.961441] Total swap = 0kB [ 1020.964454] 1965979 pages RAM [ 1020.967546] 0 pages HighMem/MovableOnly [ 1020.971561] 335869 pages reserved [ 1020.975006] 0 pages cma reserved [ 1020.978364] Out of memory: Kill process 29531 (syz-executor.2) score 1005 or sacrifice child [ 1020.987019] Killed process 29531 (syz-executor.2) total-vm:72984kB, anon-rss:4532kB, file-rss:34816kB, shmem-rss:0kB [ 1021.036296] oom_reaper: reaped process 29531 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1021.054668] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1021.067344] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1021.072158] CPU: 1 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1021.079598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1021.088947] Call Trace: [ 1021.091535] dump_stack+0x142/0x197 [ 1021.095165] dump_header+0x177/0x6cd [ 1021.098874] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1021.103977] ? ___ratelimit+0x55/0x537 [ 1021.107867] oom_kill_process.cold+0x10/0xadd [ 1021.112394] ? oom_unkillable_task+0x294/0x390 [ 1021.116979] ? lock_downgrade+0x740/0x740 [ 1021.121136] out_of_memory+0x2ee/0x1180 [ 1021.125112] ? lock_acquire+0x16f/0x430 [ 1021.129092] ? oom_killer_disable+0x1d0/0x1d0 [ 1021.133585] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1021.138519] __alloc_pages_slowpath+0x2251/0x2930 [ 1021.143375] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1021.148209] ? warn_alloc+0xf0/0xf0 [ 1021.151837] ? __might_sleep+0x93/0xb0 [ 1021.155724] __alloc_pages_nodemask+0x62c/0x7a0 [ 1021.160400] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1021.165415] ? lock_downgrade+0x740/0x740 [ 1021.169561] alloc_pages_current+0xec/0x1e0 [ 1021.173877] __page_cache_alloc+0x248/0x3e0 [ 1021.178198] filemap_fault+0xcef/0x1de0 [ 1021.182188] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1021.187137] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1021.191806] ? lock_acquire+0x16f/0x430 [ 1021.195778] ? ext4_filemap_fault+0x7b/0xb0 [ 1021.200103] ext4_filemap_fault+0x83/0xb0 [ 1021.204250] __do_fault+0x104/0x390 [ 1021.207880] __handle_mm_fault+0x23bd/0x33d0 [ 1021.212293] ? copy_page_range+0x1de0/0x1de0 [ 1021.216706] ? find_held_lock+0x35/0x130 [ 1021.220864] ? handle_mm_fault+0x1b6/0x7c0 [ 1021.225124] handle_mm_fault+0x293/0x7c0 [ 1021.229190] __do_page_fault+0x4c1/0xb80 [ 1021.233261] ? vmalloc_fault+0xe30/0xe30 [ 1021.237324] ? page_fault+0x2f/0x50 [ 1021.240958] do_page_fault+0x71/0x511 [ 1021.244761] ? page_fault+0x2f/0x50 [ 1021.248399] page_fault+0x45/0x50 [ 1021.251857] RIP: 0033:0x45b153 [ 1021.255047] RSP: 002b:000000c420039ea0 EFLAGS: 00010202 [ 1021.260407] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1021.267684] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1021.274953] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1021.282321] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1021.289587] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1021.308342] Mem-Info: [ 1021.310914] active_anon:194582 inactive_anon:486 isolated_anon:0 [ 1021.310914] active_file:232 inactive_file:212 isolated_file:0 [ 1021.310914] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1021.310914] slab_reclaimable:14680 slab_unreclaimable:120951 [ 1021.310914] mapped:52290 shmem:540 pagetables:6530 bounce:0 [ 1021.310914] free:13720 free_pcp:65 free_cma:0 [ 1021.351007] Node 0 active_anon:705280kB inactive_anon:1936kB active_file:972kB inactive_file:776kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 219136kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1021.379552] Node 1 active_anon:73048kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1021.405922] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:24kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1021.442304] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1021.447388] Node 0 DMA32 free:18148kB min:36380kB low:45472kB high:54564kB active_anon:703184kB inactive_anon:1936kB active_file:968kB inactive_file:692kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11392kB pagetables:24192kB bounce:0kB free_pcp:252kB local_pcp:140kB free_cma:0kB [ 1021.477149] lowmem_reserve[]: 0 0 0 0 0 [ 1021.481207] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1021.506722] lowmem_reserve[]: 0 0 0 0 0 [ 1021.510775] Node 1 Normal free:26356kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3680kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1021.539208] lowmem_reserve[]: 0 0 0 0 0 [ 1021.543261] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1021.564460] Node 0 DMA32: 2144*4kB (UMEH) 896*8kB (MEH) 71*16kB (MH) 9*32kB (UMH) 12*64kB (MH) 2*128kB (UH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18192kB [ 1021.582038] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1021.598087] Node 1 Normal: 377*4kB (UME) 196*8kB (UME) 159*16kB (UM) 186*32kB (ME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26420kB [ 1021.613934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1021.622828] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1021.631457] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1021.640396] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1021.648968] 975 total pagecache pages [ 1021.652812] 0 pages in swap cache [ 1021.656260] Swap cache stats: add 0, delete 0, find 0/0 [ 1021.661658] Free swap = 0kB [ 1021.664675] Total swap = 0kB [ 1021.667690] 1965979 pages RAM [ 1021.676219] 0 pages HighMem/MovableOnly [ 1021.697064] 335869 pages reserved [ 1021.700570] 0 pages cma reserved [ 1021.703931] Out of memory: Kill process 17578 (syz-executor.0) score 1005 or sacrifice child [ 1021.715983] Killed process 17578 (syz-executor.0) total-vm:73116kB, anon-rss:4288kB, file-rss:34816kB, shmem-rss:0kB [ 1021.768829] oom_reaper: reaped process 17578 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1021.885291] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1021.898066] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1021.902873] CPU: 1 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1021.910342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1021.919686] Call Trace: [ 1021.922268] dump_stack+0x142/0x197 [ 1021.925904] dump_header+0x177/0x6cd [ 1021.929624] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1021.934743] ? ___ratelimit+0x55/0x537 [ 1021.938635] oom_kill_process.cold+0x10/0xadd [ 1021.943129] ? oom_unkillable_task+0x294/0x390 [ 1021.947709] ? lock_downgrade+0x740/0x740 [ 1021.951862] out_of_memory+0x2ee/0x1180 [ 1021.955838] ? lock_acquire+0x16f/0x430 [ 1021.959814] ? oom_killer_disable+0x1d0/0x1d0 [ 1021.964308] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1021.969238] __alloc_pages_slowpath+0x2251/0x2930 [ 1021.974100] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1021.979052] ? warn_alloc+0xf0/0xf0 [ 1021.982706] ? __might_sleep+0x93/0xb0 [ 1021.986696] __alloc_pages_nodemask+0x62c/0x7a0 [ 1021.991379] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1021.996393] ? lock_downgrade+0x740/0x740 [ 1022.000543] alloc_pages_current+0xec/0x1e0 [ 1022.004873] __page_cache_alloc+0x248/0x3e0 [ 1022.009198] filemap_fault+0xcef/0x1de0 [ 1022.013175] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1022.018119] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1022.022792] ? lock_acquire+0x16f/0x430 [ 1022.026767] ? ext4_filemap_fault+0x7b/0xb0 [ 1022.031102] ext4_filemap_fault+0x83/0xb0 [ 1022.035251] __do_fault+0x104/0x390 [ 1022.038894] __handle_mm_fault+0x23bd/0x33d0 [ 1022.043306] ? copy_page_range+0x1de0/0x1de0 [ 1022.047717] ? find_held_lock+0x35/0x130 [ 1022.051777] ? handle_mm_fault+0x1b6/0x7c0 [ 1022.056023] handle_mm_fault+0x293/0x7c0 [ 1022.060196] __do_page_fault+0x4c1/0xb80 [ 1022.064263] ? vmalloc_fault+0xe30/0xe30 [ 1022.068327] ? page_fault+0x2f/0x50 [ 1022.072071] do_page_fault+0x71/0x511 [ 1022.075873] ? page_fault+0x2f/0x50 [ 1022.079496] page_fault+0x45/0x50 [ 1022.082946] RIP: 0033:0x45b153 [ 1022.086135] RSP: 002b:000000c420039ea0 EFLAGS: 00010202 [ 1022.091502] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1022.098786] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1022.106056] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1022.113321] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1022.120592] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1022.132605] Mem-Info: [ 1022.135055] active_anon:193517 inactive_anon:486 isolated_anon:0 [ 1022.135055] active_file:210 inactive_file:184 isolated_file:0 [ 1022.135055] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1022.135055] slab_reclaimable:14680 slab_unreclaimable:120938 [ 1022.135055] mapped:52290 shmem:540 pagetables:6497 bounce:0 [ 1022.135055] free:13727 free_pcp:30 free_cma:0 [ 1022.168548] Node 0 active_anon:701020kB inactive_anon:1936kB active_file:820kB inactive_file:784kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 215040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1022.196894] Node 1 active_anon:73048kB inactive_anon:8kB active_file:8kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1022.223612] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:44kB inactive_file:16kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1022.251386] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1022.256449] Node 0 DMA32 free:18080kB min:36380kB low:45472kB high:54564kB active_anon:698924kB inactive_anon:1936kB active_file:772kB inactive_file:816kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11296kB pagetables:24060kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1022.293931] lowmem_reserve[]: 0 0 0 0 0 [ 1022.297960] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1022.327659] lowmem_reserve[]: 0 0 0 0 0 [ 1022.337106] Node 1 Normal free:26452kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1022.369233] lowmem_reserve[]: 0 0 0 0 0 [ 1022.373270] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1022.388989] Node 0 DMA32: 2154*4kB (MEH) 899*8kB (UMEH) 72*16kB (MH) 9*32kB (UMH) 11*64kB (MH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18080kB [ 1022.403917] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1022.414693] Node 1 Normal: 377*4kB (UME) 196*8kB (UME) 159*16kB (UM) 187*32kB (UME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26452kB [ 1022.430442] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1022.439293] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1022.449693] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1022.458621] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1022.469288] 961 total pagecache pages [ 1022.473218] 0 pages in swap cache [ 1022.476666] Swap cache stats: add 0, delete 0, find 0/0 [ 1022.483212] Free swap = 0kB [ 1022.486374] Total swap = 0kB [ 1022.489436] 1965979 pages RAM [ 1022.496673] 0 pages HighMem/MovableOnly [ 1022.503789] 335869 pages reserved [ 1022.507287] 0 pages cma reserved [ 1022.510723] Out of memory: Kill process 12613 (syz-executor.2) score 1005 or sacrifice child [ 1022.519326] Killed process 12613 (syz-executor.2) total-vm:72852kB, anon-rss:4268kB, file-rss:34816kB, shmem-rss:0kB [ 1022.583556] oom_reaper: reaped process 12613 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1022.615563] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1022.634826] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1022.639779] CPU: 1 PID: 7248 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1022.647226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1022.656576] Call Trace: [ 1022.659164] dump_stack+0x142/0x197 [ 1022.662799] ? perf_trace_drv_tdls_recv_channel_switch+0x540/0xd90 [ 1022.669133] dump_header+0x177/0x6cd [ 1022.672854] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1022.677984] ? ___ratelimit+0x55/0x537 [ 1022.681896] oom_kill_process.cold+0x10/0xadd [ 1022.686545] ? oom_unkillable_task+0x294/0x390 [ 1022.691126] ? lock_downgrade+0x740/0x740 [ 1022.695290] out_of_memory+0x2ee/0x1180 [ 1022.699274] ? lock_acquire+0x16f/0x430 [ 1022.703268] ? oom_killer_disable+0x1d0/0x1d0 [ 1022.707755] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1022.712683] __alloc_pages_slowpath+0x2251/0x2930 [ 1022.717572] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1022.722422] ? warn_alloc+0xf0/0xf0 [ 1022.726110] ? __might_sleep+0x93/0xb0 [ 1022.730044] __alloc_pages_nodemask+0x62c/0x7a0 [ 1022.734719] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1022.739735] ? lock_downgrade+0x740/0x740 [ 1022.743896] alloc_pages_current+0xec/0x1e0 [ 1022.748210] __page_cache_alloc+0x248/0x3e0 [ 1022.752536] filemap_fault+0xcef/0x1de0 [ 1022.756515] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1022.761462] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1022.766115] ? lock_acquire+0x16f/0x430 [ 1022.770081] ? ext4_filemap_fault+0x7b/0xb0 [ 1022.774437] ext4_filemap_fault+0x83/0xb0 [ 1022.778592] __do_fault+0x104/0x390 [ 1022.782217] __handle_mm_fault+0x23bd/0x33d0 [ 1022.786616] ? copy_page_range+0x1de0/0x1de0 [ 1022.791020] ? find_held_lock+0x35/0x130 [ 1022.795086] ? handle_mm_fault+0x1b6/0x7c0 [ 1022.799326] handle_mm_fault+0x293/0x7c0 [ 1022.803437] __do_page_fault+0x4c1/0xb80 [ 1022.807504] ? vmalloc_fault+0xe30/0xe30 [ 1022.811655] ? page_fault+0x2f/0x50 [ 1022.815286] do_page_fault+0x71/0x511 [ 1022.819087] ? page_fault+0x2f/0x50 [ 1022.822697] page_fault+0x45/0x50 [ 1022.826128] RIP: 0033:0x436713 [ 1022.829296] RSP: 002b:000000c42004ff28 EFLAGS: 00010212 [ 1022.834664] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 000000000045ac23 [ 1022.841930] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 1022.849191] RBP: 000000c42004ff20 R08: 000000c42004ff08 R09: 0000000000000000 [ 1022.856446] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000042f0a0 [ 1022.863745] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 1022.884306] Mem-Info: [ 1022.886795] active_anon:192454 inactive_anon:486 isolated_anon:0 [ 1022.886795] active_file:232 inactive_file:222 isolated_file:0 [ 1022.886795] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1022.886795] slab_reclaimable:14680 slab_unreclaimable:120941 [ 1022.886795] mapped:52290 shmem:540 pagetables:6464 bounce:0 [ 1022.886795] free:13735 free_pcp:30 free_cma:0 [ 1022.923781] Node 0 active_anon:696768kB inactive_anon:1936kB active_file:936kB inactive_file:812kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1022.952317] Node 1 active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1022.978857] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:28kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1023.009043] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1023.015055] Node 0 DMA32 free:18112kB min:36380kB low:45472kB high:54564kB active_anon:694672kB inactive_anon:1936kB active_file:764kB inactive_file:808kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11264kB pagetables:23928kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1023.044967] lowmem_reserve[]: 0 0 0 0 0 [ 1023.048982] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1023.074306] lowmem_reserve[]: 0 0 0 0 0 [ 1023.078278] Node 1 Normal free:26452kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1023.106713] lowmem_reserve[]: 0 0 0 0 0 [ 1023.110743] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1023.135278] Node 0 DMA32: 2159*4kB (UMEH) 900*8kB (UMEH) 72*16kB (MH) 9*32kB (UMH) 11*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18108kB [ 1023.156482] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1023.167288] Node 1 Normal: 377*4kB (UME) 196*8kB (UME) 159*16kB (UM) 187*32kB (UME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26452kB [ 1023.183107] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1023.191996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1023.200655] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1023.209493] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1023.218107] 974 total pagecache pages [ 1023.221953] 0 pages in swap cache [ 1023.225393] Swap cache stats: add 0, delete 0, find 0/0 [ 1023.230787] Free swap = 0kB [ 1023.233809] Total swap = 0kB [ 1023.236825] 1965979 pages RAM [ 1023.239920] 0 pages HighMem/MovableOnly [ 1023.243977] 335869 pages reserved [ 1023.247418] 0 pages cma reserved [ 1023.250814] Out of memory: Kill process 17647 (syz-executor.4) score 1005 or sacrifice child [ 1023.259409] Killed process 17647 (syz-executor.4) total-vm:72984kB, anon-rss:4280kB, file-rss:34816kB, shmem-rss:0kB [ 1023.395942] init invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1023.409349] init cpuset=/ mems_allowed=0-1 [ 1023.418071] CPU: 0 PID: 1 Comm: init Not tainted 4.14.167-syzkaller #0 [ 1023.424755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1023.434106] Call Trace: [ 1023.436685] dump_stack+0x142/0x197 [ 1023.440308] dump_header+0x177/0x6cd [ 1023.444021] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1023.449119] ? ___ratelimit+0x55/0x537 [ 1023.453012] oom_kill_process.cold+0x10/0xadd [ 1023.457513] ? oom_unkillable_task+0x294/0x390 [ 1023.462115] ? lock_downgrade+0x740/0x740 [ 1023.466267] out_of_memory+0x2ee/0x1180 [ 1023.470236] ? lock_acquire+0x16f/0x430 [ 1023.474205] ? oom_killer_disable+0x1d0/0x1d0 [ 1023.478683] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1023.483608] __alloc_pages_slowpath+0x2251/0x2930 [ 1023.488458] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1023.493306] ? warn_alloc+0xf0/0xf0 [ 1023.496930] ? __might_sleep+0x93/0xb0 [ 1023.500806] __alloc_pages_nodemask+0x62c/0x7a0 [ 1023.505482] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1023.510499] ? lock_downgrade+0x740/0x740 [ 1023.514657] alloc_pages_current+0xec/0x1e0 [ 1023.518984] __page_cache_alloc+0x248/0x3e0 [ 1023.523321] filemap_fault+0xcef/0x1de0 [ 1023.527294] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1023.532239] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1023.536903] ? lock_acquire+0x16f/0x430 [ 1023.540863] ? ext4_filemap_fault+0x7b/0xb0 [ 1023.545192] ext4_filemap_fault+0x83/0xb0 [ 1023.549329] __do_fault+0x104/0x390 [ 1023.552948] __handle_mm_fault+0x23bd/0x33d0 [ 1023.557362] ? copy_page_range+0x1de0/0x1de0 [ 1023.561772] ? find_held_lock+0x35/0x130 [ 1023.565826] ? handle_mm_fault+0x1b6/0x7c0 [ 1023.570070] handle_mm_fault+0x293/0x7c0 [ 1023.574130] __do_page_fault+0x4c1/0xb80 [ 1023.578184] ? vmalloc_fault+0xe30/0xe30 [ 1023.582238] ? page_fault+0x2f/0x50 [ 1023.585869] do_page_fault+0x71/0x511 [ 1023.589668] ? page_fault+0x2f/0x50 [ 1023.593296] page_fault+0x45/0x50 [ 1023.596739] RIP: 0033:0x404d65 [ 1023.599924] RSP: 002b:00007ffe66c41fe0 EFLAGS: 00010217 [ 1023.605276] RAX: 0000000000000000 RBX: 00007ffe66c42180 RCX: 00007f5439136dd3 [ 1023.612557] RDX: 0000000000000000 RSI: 00007ffe66c42330 RDI: 000000000000000b [ 1023.619828] RBP: 00007ffe66c42330 R08: 00007ffe66c423b0 R09: 0000000000000001 [ 1023.627147] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 1023.634406] R13: 00007ffe66c42710 R14: 0000000000000000 R15: 0000000000000000 [ 1023.656419] Mem-Info: [ 1023.658875] active_anon:191391 inactive_anon:486 isolated_anon:0 [ 1023.658875] active_file:205 inactive_file:218 isolated_file:0 [ 1023.658875] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1023.658875] slab_reclaimable:14680 slab_unreclaimable:120942 [ 1023.658875] mapped:52290 shmem:540 pagetables:6437 bounce:0 [ 1023.658875] free:13711 free_pcp:56 free_cma:0 [ 1023.692553] Node 0 active_anon:692516kB inactive_anon:1936kB active_file:808kB inactive_file:848kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 206848kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1023.720739] Node 1 active_anon:73048kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1023.753255] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:28kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1023.780993] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1023.786064] Node 0 DMA32 free:18100kB min:36380kB low:45472kB high:54564kB active_anon:690420kB inactive_anon:1936kB active_file:848kB inactive_file:804kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11264kB pagetables:23820kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1023.832634] lowmem_reserve[]: 0 0 0 0 0 [ 1023.836665] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1023.866495] lowmem_reserve[]: 0 0 0 0 0 [ 1023.877983] Node 1 Normal free:26452kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1023.906554] lowmem_reserve[]: 0 0 0 0 0 [ 1023.910592] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1023.926335] Node 0 DMA32: 2140*4kB (MEH) 901*8kB (UMEH) 73*16kB (UMH) 9*32kB (UMH) 12*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18120kB [ 1023.941107] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1023.952616] Node 1 Normal: 377*4kB (UME) 196*8kB (UME) 159*16kB (UM) 187*32kB (UME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26452kB [ 1023.969234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1023.978123] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1023.986757] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1023.995626] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1024.004478] 974 total pagecache pages [ 1024.008289] 0 pages in swap cache [ 1024.011775] Swap cache stats: add 0, delete 0, find 0/0 [ 1024.017137] Free swap = 0kB [ 1024.020208] Total swap = 0kB [ 1024.023221] 1965979 pages RAM [ 1024.026314] 0 pages HighMem/MovableOnly [ 1024.030319] 335869 pages reserved [ 1024.033764] 0 pages cma reserved [ 1024.037126] Out of memory: Kill process 18038 (syz-executor.5) score 1005 or sacrifice child [ 1024.045798] Killed process 18038 (syz-executor.5) total-vm:72852kB, anon-rss:4272kB, file-rss:34816kB, shmem-rss:0kB [ 1024.095961] oom_reaper: reaped process 18038 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1024.184523] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1024.197326] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1024.202169] CPU: 0 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1024.209607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1024.218943] Call Trace: [ 1024.221525] dump_stack+0x142/0x197 [ 1024.225163] dump_header+0x177/0x6cd [ 1024.228884] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1024.233991] ? ___ratelimit+0x55/0x537 [ 1024.237887] oom_kill_process.cold+0x10/0xadd [ 1024.242384] ? oom_unkillable_task+0x294/0x390 [ 1024.246967] ? lock_downgrade+0x740/0x740 [ 1024.251116] out_of_memory+0x2ee/0x1180 [ 1024.255085] ? lock_acquire+0x16f/0x430 [ 1024.259069] ? oom_killer_disable+0x1d0/0x1d0 [ 1024.263566] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1024.268495] __alloc_pages_slowpath+0x2251/0x2930 [ 1024.273347] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1024.278182] ? warn_alloc+0xf0/0xf0 [ 1024.281817] ? __might_sleep+0x93/0xb0 [ 1024.285707] __alloc_pages_nodemask+0x62c/0x7a0 [ 1024.290375] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1024.295391] ? lock_downgrade+0x740/0x740 [ 1024.299547] alloc_pages_current+0xec/0x1e0 [ 1024.303868] __page_cache_alloc+0x248/0x3e0 [ 1024.308193] filemap_fault+0xcef/0x1de0 [ 1024.312165] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1024.317093] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1024.321753] ? lock_acquire+0x16f/0x430 [ 1024.325722] ? ext4_filemap_fault+0x7b/0xb0 [ 1024.330047] ext4_filemap_fault+0x83/0xb0 [ 1024.334195] __do_fault+0x104/0x390 [ 1024.337834] __handle_mm_fault+0x23bd/0x33d0 [ 1024.342237] ? copy_page_range+0x1de0/0x1de0 [ 1024.346642] ? find_held_lock+0x35/0x130 [ 1024.350705] ? handle_mm_fault+0x1b6/0x7c0 [ 1024.354965] handle_mm_fault+0x293/0x7c0 [ 1024.359028] __do_page_fault+0x4c1/0xb80 [ 1024.363092] ? vmalloc_fault+0xe30/0xe30 [ 1024.367146] ? page_fault+0x2f/0x50 [ 1024.370762] do_page_fault+0x71/0x511 [ 1024.374561] ? page_fault+0x2f/0x50 [ 1024.378208] page_fault+0x45/0x50 [ 1024.381662] RIP: 0033:0x45b153 [ 1024.384850] RSP: 002b:000000c420039ea0 EFLAGS: 00010202 [ 1024.390205] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1024.397471] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1024.404748] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1024.412031] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1024.419310] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1024.428996] Mem-Info: [ 1024.431494] active_anon:190341 inactive_anon:486 isolated_anon:0 [ 1024.431494] active_file:255 inactive_file:167 isolated_file:32 [ 1024.431494] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1024.431494] slab_reclaimable:14680 slab_unreclaimable:120944 [ 1024.431494] mapped:52290 shmem:540 pagetables:6400 bounce:0 [ 1024.431494] free:13737 free_pcp:62 free_cma:0 [ 1024.466192] Node 0 active_anon:688316kB inactive_anon:1936kB active_file:1088kB inactive_file:500kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 206848kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1024.494762] Node 1 active_anon:73048kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1024.521126] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:40kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1024.548339] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1024.563365] Node 0 DMA32 free:18120kB min:36380kB low:45472kB high:54564kB active_anon:686220kB inactive_anon:1936kB active_file:976kB inactive_file:740kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11232kB pagetables:23672kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 1024.593200] lowmem_reserve[]: 0 0 0 0 0 [ 1024.597200] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1024.622532] lowmem_reserve[]: 0 0 0 0 0 [ 1024.626544] Node 1 Normal free:26452kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1024.655028] lowmem_reserve[]: 0 0 0 0 0 [ 1024.659025] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1024.674659] Node 0 DMA32: 2155*4kB (UMEH) 897*8kB (UMEH) 71*16kB (UMH) 9*32kB (UMH) 9*64kB (MH) 1*128kB (H) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18180kB [ 1024.694858] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1024.705689] Node 1 Normal: 377*4kB (UME) 196*8kB (UME) 159*16kB (UM) 187*32kB (UME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26452kB [ 1024.724721] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1024.733614] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1024.742237] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1024.751109] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1024.759671] 974 total pagecache pages [ 1024.763529] 0 pages in swap cache [ 1024.766974] Swap cache stats: add 0, delete 0, find 0/0 [ 1024.772360] Free swap = 0kB [ 1024.775427] Total swap = 0kB [ 1024.778426] 1965979 pages RAM [ 1024.781587] 0 pages HighMem/MovableOnly [ 1024.785553] 335869 pages reserved [ 1024.788993] 0 pages cma reserved [ 1024.792393] Out of memory: Kill process 16449 (syz-executor.5) score 1005 or sacrifice child [ 1024.801088] Killed process 16449 (syz-executor.5) total-vm:73248kB, anon-rss:4296kB, file-rss:34688kB, shmem-rss:0kB [ 1024.963196] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1024.977078] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1024.981934] CPU: 1 PID: 7252 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1024.989376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1024.998720] Call Trace: [ 1025.001319] dump_stack+0x142/0x197 [ 1025.004928] dump_header+0x177/0x6cd [ 1025.008624] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1025.013749] ? ___ratelimit+0x55/0x537 [ 1025.017620] oom_kill_process.cold+0x10/0xadd [ 1025.022106] ? oom_unkillable_task+0x294/0x390 [ 1025.026678] ? lock_downgrade+0x740/0x740 [ 1025.030818] out_of_memory+0x2ee/0x1180 [ 1025.034777] ? lock_acquire+0x16f/0x430 [ 1025.038735] ? oom_killer_disable+0x1d0/0x1d0 [ 1025.043231] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1025.048176] __alloc_pages_slowpath+0x2251/0x2930 [ 1025.053024] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1025.057854] ? warn_alloc+0xf0/0xf0 [ 1025.061493] ? __might_sleep+0x93/0xb0 [ 1025.065374] __alloc_pages_nodemask+0x62c/0x7a0 [ 1025.070053] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1025.075060] ? lock_downgrade+0x740/0x740 [ 1025.079207] alloc_pages_current+0xec/0x1e0 [ 1025.083520] __page_cache_alloc+0x248/0x3e0 [ 1025.087871] filemap_fault+0xcef/0x1de0 [ 1025.091834] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1025.096756] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1025.101412] ? lock_acquire+0x16f/0x430 [ 1025.105389] ? ext4_filemap_fault+0x7b/0xb0 [ 1025.109732] ext4_filemap_fault+0x83/0xb0 [ 1025.113883] __do_fault+0x104/0x390 [ 1025.117504] __handle_mm_fault+0x23bd/0x33d0 [ 1025.121905] ? copy_page_range+0x1de0/0x1de0 [ 1025.126301] ? find_held_lock+0x35/0x130 [ 1025.130357] ? handle_mm_fault+0x1b6/0x7c0 [ 1025.134593] handle_mm_fault+0x293/0x7c0 [ 1025.138644] __do_page_fault+0x4c1/0xb80 [ 1025.142690] ? vmalloc_fault+0xe30/0xe30 [ 1025.146737] ? page_fault+0x2f/0x50 [ 1025.150356] do_page_fault+0x71/0x511 [ 1025.154147] ? page_fault+0x2f/0x50 [ 1025.157794] page_fault+0x45/0x50 [ 1025.161252] RIP: 0033:0x410382 [ 1025.164442] RSP: 002b:000000c436c09a10 EFLAGS: 00010283 [ 1025.169799] RAX: 00007fb6aba1d6c8 RBX: 0000000000000000 RCX: 000000c420000180 [ 1025.177058] RDX: 000000c42013a800 RSI: 0000000000000030 RDI: 0000000000884100 [ 1025.184361] RBP: 000000c436c09aa0 R08: 0000000000000000 R09: 0000000000000006 [ 1025.191614] R10: 0000000000c6cd80 R11: 0000000000000000 R12: 0000000000000000 [ 1025.198877] R13: 000000c436c09bf8 R14: 000000c436c09bf8 R15: 0000000000000000 [ 1025.212950] Mem-Info: [ 1025.215386] active_anon:189290 inactive_anon:486 isolated_anon:0 [ 1025.215386] active_file:198 inactive_file:192 isolated_file:0 [ 1025.215386] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1025.215386] slab_reclaimable:14680 slab_unreclaimable:120944 [ 1025.215386] mapped:52290 shmem:540 pagetables:6363 bounce:0 [ 1025.215386] free:13795 free_pcp:0 free_cma:0 [ 1025.248860] Node 0 active_anon:684012kB inactive_anon:1936kB active_file:856kB inactive_file:824kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 198656kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1025.277067] Node 1 active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1025.303421] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:32kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1025.344267] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1025.349362] Node 0 DMA32 free:18160kB min:36380kB low:45472kB high:54564kB active_anon:681916kB inactive_anon:1936kB active_file:780kB inactive_file:792kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11232kB pagetables:23608kB bounce:0kB free_pcp:100kB local_pcp:0kB free_cma:0kB [ 1025.378953] lowmem_reserve[]: 0 0 0 0 0 [ 1025.382975] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1025.408301] lowmem_reserve[]: 0 0 0 0 0 [ 1025.412517] Node 1 Normal free:26452kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1025.442287] lowmem_reserve[]: 0 0 0 0 0 [ 1025.446302] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1025.474359] Node 0 DMA32: 2166*4kB (MEH) 900*8kB (MEH) 74*16kB (UMH) 8*32kB (MH) 9*64kB (MH) 2*128kB (UH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18136kB [ 1025.495128] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1025.505969] Node 1 Normal: 377*4kB (UME) 196*8kB (UME) 159*16kB (UM) 187*32kB (UME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26452kB [ 1025.521810] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1025.530687] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1025.539262] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1025.548160] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1025.556784] 969 total pagecache pages [ 1025.560687] 0 pages in swap cache [ 1025.564135] Swap cache stats: add 0, delete 0, find 0/0 [ 1025.569494] Free swap = 0kB [ 1025.572583] Total swap = 0kB [ 1025.575595] 1965979 pages RAM [ 1025.578712] 0 pages HighMem/MovableOnly [ 1025.589663] 335869 pages reserved [ 1025.594803] 0 pages cma reserved [ 1025.598188] Out of memory: Kill process 15516 (syz-executor.1) score 1005 or sacrifice child [ 1025.606906] Killed process 15516 (syz-executor.1) total-vm:72724kB, anon-rss:4268kB, file-rss:34688kB, shmem-rss:0kB [ 1025.658743] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1025.672820] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1025.677621] CPU: 0 PID: 7252 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1025.685071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1025.694421] Call Trace: [ 1025.697017] dump_stack+0x142/0x197 [ 1025.700643] dump_header+0x177/0x6cd [ 1025.704358] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1025.709466] ? ___ratelimit+0x55/0x537 [ 1025.713357] oom_kill_process.cold+0x10/0xadd [ 1025.717884] ? oom_unkillable_task+0x294/0x390 [ 1025.722463] ? lock_downgrade+0x740/0x740 [ 1025.726602] out_of_memory+0x2ee/0x1180 [ 1025.730570] ? lock_acquire+0x16f/0x430 [ 1025.734565] ? oom_killer_disable+0x1d0/0x1d0 [ 1025.739315] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1025.744262] __alloc_pages_slowpath+0x2251/0x2930 [ 1025.749107] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1025.753947] ? warn_alloc+0xf0/0xf0 [ 1025.757649] ? __might_sleep+0x93/0xb0 [ 1025.761579] __alloc_pages_nodemask+0x62c/0x7a0 [ 1025.766255] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1025.771270] ? lock_downgrade+0x740/0x740 [ 1025.775436] alloc_pages_current+0xec/0x1e0 [ 1025.779761] __page_cache_alloc+0x248/0x3e0 [ 1025.784093] filemap_fault+0xcef/0x1de0 [ 1025.788062] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1025.792997] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1025.797673] ? lock_acquire+0x16f/0x430 [ 1025.801644] ? ext4_filemap_fault+0x7b/0xb0 [ 1025.805972] ext4_filemap_fault+0x83/0xb0 [ 1025.810143] __do_fault+0x104/0x390 [ 1025.813769] __handle_mm_fault+0x23bd/0x33d0 [ 1025.818199] ? copy_page_range+0x1de0/0x1de0 [ 1025.822600] ? find_held_lock+0x35/0x130 [ 1025.826664] ? handle_mm_fault+0x1b6/0x7c0 [ 1025.830928] handle_mm_fault+0x293/0x7c0 [ 1025.835000] __do_page_fault+0x4c1/0xb80 [ 1025.839061] ? vmalloc_fault+0xe30/0xe30 [ 1025.843123] ? page_fault+0x2f/0x50 [ 1025.846858] do_page_fault+0x71/0x511 [ 1025.850657] ? page_fault+0x2f/0x50 [ 1025.854283] page_fault+0x45/0x50 [ 1025.857917] RIP: 0033:0x410382 [ 1025.861096] RSP: 002b:000000c436c09a10 EFLAGS: 00010283 [ 1025.866461] RAX: 00007fb6aba1d6c8 RBX: 0000000000000000 RCX: 000000c420000180 [ 1025.873749] RDX: 000000c42013a800 RSI: 0000000000000030 RDI: 0000000000884100 [ 1025.881020] RBP: 000000c436c09aa0 R08: 0000000000000000 R09: 0000000000000006 [ 1025.888289] R10: 0000000000c6cd80 R11: 0000000000000000 R12: 0000000000000000 [ 1025.895558] R13: 000000c436c09bf8 R14: 000000c436c09bf8 R15: 0000000000000000 [ 1025.913371] Mem-Info: [ 1025.915839] active_anon:188212 inactive_anon:486 isolated_anon:0 [ 1025.915839] active_file:207 inactive_file:188 isolated_file:25 [ 1025.915839] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1025.915839] slab_reclaimable:14680 slab_unreclaimable:120940 [ 1025.915839] mapped:52290 shmem:540 pagetables:6360 bounce:0 [ 1025.915839] free:13743 free_pcp:30 free_cma:0 [ 1025.962331] Node 0 active_anon:679800kB inactive_anon:1936kB active_file:812kB inactive_file:872kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 198656kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1025.990776] Node 1 active_anon:73048kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1026.017375] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:20kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1026.052081] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1026.057250] Node 0 DMA32 free:18288kB min:36380kB low:45472kB high:54564kB active_anon:677704kB inactive_anon:1936kB active_file:744kB inactive_file:828kB unevictable:12kB writepending:1520kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11200kB pagetables:23512kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1026.087313] lowmem_reserve[]: 0 0 0 0 0 [ 1026.091380] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1026.116841] lowmem_reserve[]: 0 0 0 0 0 [ 1026.120939] Node 1 Normal free:26452kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1026.149454] lowmem_reserve[]: 0 0 0 0 0 [ 1026.153513] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1026.169245] Node 0 DMA32: 2129*4kB (UMEH) 901*8kB (MEH) 78*16kB (UMH) 12*32kB (UMH) 10*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18124kB [ 1026.186810] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1026.197590] Node 1 Normal: 377*4kB (UME) 196*8kB (UME) 159*16kB (UM) 187*32kB (UME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26452kB [ 1026.214636] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1026.223510] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1026.232174] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1026.241182] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1026.249759] 972 total pagecache pages [ 1026.253627] 0 pages in swap cache [ 1026.257090] Swap cache stats: add 0, delete 0, find 0/0 [ 1026.262488] Free swap = 0kB [ 1026.265506] Total swap = 0kB [ 1026.268527] 1965979 pages RAM [ 1026.271687] 0 pages HighMem/MovableOnly [ 1026.275663] 335869 pages reserved [ 1026.279105] 0 pages cma reserved [ 1026.282497] Out of memory: Kill process 15571 (syz-executor.1) score 1005 or sacrifice child [ 1026.291159] Killed process 15571 (syz-executor.1) total-vm:72724kB, anon-rss:4268kB, file-rss:34688kB, shmem-rss:0kB [ 1026.339212] oom_reaper: reaped process 15571 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1026.400523] syz-executor.0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1026.418557] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1026.435699] CPU: 0 PID: 11876 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1026.443613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1026.452971] Call Trace: [ 1026.455568] dump_stack+0x142/0x197 [ 1026.459205] dump_header+0x177/0x6cd [ 1026.462907] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1026.468051] ? ___ratelimit+0x55/0x537 [ 1026.471939] oom_kill_process.cold+0x10/0xadd [ 1026.476451] ? rcu_read_unlock_special+0x639/0xd40 [ 1026.481380] ? lock_downgrade+0x740/0x740 [ 1026.485536] out_of_memory+0x2ee/0x1180 [ 1026.489508] ? lock_acquire+0x16f/0x430 [ 1026.493485] ? oom_killer_disable+0x1d0/0x1d0 [ 1026.497978] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1026.502907] __alloc_pages_slowpath+0x2251/0x2930 [ 1026.507770] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1026.512619] ? warn_alloc+0xf0/0xf0 [ 1026.516264] ? __might_sleep+0x93/0xb0 [ 1026.520155] __alloc_pages_nodemask+0x62c/0x7a0 [ 1026.524918] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1026.529933] ? lock_downgrade+0x740/0x740 [ 1026.534084] alloc_pages_current+0xec/0x1e0 [ 1026.538415] __page_cache_alloc+0x248/0x3e0 [ 1026.542749] filemap_fault+0xcef/0x1de0 [ 1026.546731] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1026.551678] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1026.556346] ? lock_acquire+0x16f/0x430 [ 1026.560321] ? ext4_filemap_fault+0x7b/0xb0 [ 1026.564652] ext4_filemap_fault+0x83/0xb0 [ 1026.568803] __do_fault+0x104/0x390 [ 1026.572436] __handle_mm_fault+0x23bd/0x33d0 [ 1026.576851] ? copy_page_range+0x1de0/0x1de0 [ 1026.581262] ? find_held_lock+0x35/0x130 [ 1026.585321] ? handle_mm_fault+0x1b6/0x7c0 [ 1026.589565] handle_mm_fault+0x293/0x7c0 [ 1026.593629] __do_page_fault+0x4c1/0xb80 [ 1026.597696] ? vmalloc_fault+0xe30/0xe30 [ 1026.601751] ? page_fault+0x2f/0x50 [ 1026.605379] do_page_fault+0x71/0x511 [ 1026.609174] ? page_fault+0x2f/0x50 [ 1026.612805] page_fault+0x45/0x50 [ 1026.616256] RIP: 0033:0x40f162 [ 1026.619439] RSP: 002b:00007ffd56835da0 EFLAGS: 00010203 [ 1026.624801] RAX: 0000000000000aa4 RBX: 0000000000d18940 RCX: 000000000041518a [ 1026.632077] RDX: 0000000040000000 RSI: 00007ffd56835dd0 RDI: ffffffffffffffff [ 1026.639352] RBP: 0000000000000b79 R08: 0000000000000001 R09: 0000000000000001 [ 1026.646623] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 1026.653889] R13: 00007ffd56835dd0 R14: 0000000000d1899b R15: 00007ffd56835de0 [ 1026.690326] Mem-Info: [ 1026.692788] active_anon:187156 inactive_anon:486 isolated_anon:0 [ 1026.692788] active_file:214 inactive_file:187 isolated_file:0 [ 1026.692788] unevictable:3 dirty:402 writeback:3 unstable:0 [ 1026.692788] slab_reclaimable:14680 slab_unreclaimable:120942 [ 1026.692788] mapped:52290 shmem:540 pagetables:6321 bounce:0 [ 1026.692788] free:13727 free_pcp:60 free_cma:0 [ 1026.726392] Node 0 active_anon:675576kB inactive_anon:1936kB active_file:812kB inactive_file:792kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1564kB writeback:20kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 194560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1026.754741] Node 1 active_anon:73048kB inactive_anon:8kB active_file:28kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1026.783207] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:16kB inactive_file:48kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1026.811366] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1026.819211] Node 0 DMA32 free:18036kB min:36380kB low:45472kB high:54564kB active_anon:673480kB inactive_anon:1936kB active_file:860kB inactive_file:720kB unevictable:12kB writepending:1524kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11200kB pagetables:23356kB bounce:0kB free_pcp:232kB local_pcp:120kB free_cma:0kB [ 1026.849172] lowmem_reserve[]: 0 0 0 0 0 [ 1026.853251] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1026.878592] lowmem_reserve[]: 0 0 0 0 0 [ 1026.882628] Node 1 Normal free:26452kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1026.916110] lowmem_reserve[]: 0 0 0 0 0 [ 1026.920173] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1026.945929] Node 0 DMA32: 2168*4kB (MEH) 904*8kB (UMEH) 78*16kB (UMH) 11*32kB (UMH) 9*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18208kB [ 1026.969510] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1026.980411] Node 1 Normal: 377*4kB (UME) 196*8kB (UME) 159*16kB (UM) 187*32kB (UME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26452kB [ 1026.996207] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1027.006930] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1027.021204] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1027.030167] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1027.038747] 970 total pagecache pages [ 1027.046989] 0 pages in swap cache [ 1027.050677] Swap cache stats: add 0, delete 0, find 0/0 [ 1027.056840] Free swap = 0kB [ 1027.059851] Total swap = 0kB [ 1027.063315] 1965979 pages RAM [ 1027.066434] 0 pages HighMem/MovableOnly [ 1027.078748] 335869 pages reserved [ 1027.083760] 0 pages cma reserved [ 1027.087149] Out of memory: Kill process 15622 (syz-executor.1) score 1005 or sacrifice child [ 1027.098313] Killed process 15622 (syz-executor.1) total-vm:72724kB, anon-rss:4268kB, file-rss:34688kB, shmem-rss:0kB [ 1027.138693] syz-executor.0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1027.153646] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1027.159132] CPU: 0 PID: 11876 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1027.167118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1027.176530] Call Trace: [ 1027.179170] dump_stack+0x142/0x197 [ 1027.182806] dump_header+0x177/0x6cd [ 1027.186524] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1027.191623] ? ___ratelimit+0x55/0x537 [ 1027.195518] oom_kill_process.cold+0x10/0xadd [ 1027.200014] ? oom_unkillable_task+0x294/0x390 [ 1027.204605] ? lock_downgrade+0x740/0x740 [ 1027.208751] out_of_memory+0x2ee/0x1180 [ 1027.212721] ? lock_acquire+0x16f/0x430 [ 1027.216804] ? oom_killer_disable+0x1d0/0x1d0 [ 1027.221310] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1027.226255] __alloc_pages_slowpath+0x2251/0x2930 [ 1027.231132] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1027.235991] ? warn_alloc+0xf0/0xf0 [ 1027.239631] ? __might_sleep+0x93/0xb0 [ 1027.243529] __alloc_pages_nodemask+0x62c/0x7a0 [ 1027.248200] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1027.253218] ? lock_downgrade+0x740/0x740 [ 1027.257383] alloc_pages_current+0xec/0x1e0 [ 1027.261712] __page_cache_alloc+0x248/0x3e0 [ 1027.266037] filemap_fault+0xcef/0x1de0 [ 1027.270032] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1027.274977] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1027.279736] ? lock_acquire+0x16f/0x430 [ 1027.283706] ? ext4_filemap_fault+0x7b/0xb0 [ 1027.288039] ext4_filemap_fault+0x83/0xb0 [ 1027.292197] __do_fault+0x104/0x390 [ 1027.295837] __handle_mm_fault+0x23bd/0x33d0 [ 1027.300257] ? copy_page_range+0x1de0/0x1de0 [ 1027.304676] ? find_held_lock+0x35/0x130 [ 1027.308734] ? handle_mm_fault+0x1b6/0x7c0 [ 1027.312978] handle_mm_fault+0x293/0x7c0 [ 1027.317037] __do_page_fault+0x4c1/0xb80 [ 1027.321102] ? vmalloc_fault+0xe30/0xe30 [ 1027.325171] ? page_fault+0x2f/0x50 [ 1027.328805] do_page_fault+0x71/0x511 [ 1027.332616] ? page_fault+0x2f/0x50 [ 1027.336252] page_fault+0x45/0x50 [ 1027.339697] RIP: 0033:0x40f162 [ 1027.342876] RSP: 002b:00007ffd56835da0 EFLAGS: 00010203 [ 1027.348237] RAX: 0000000000000aa4 RBX: 0000000000d18940 RCX: 000000000041518a [ 1027.355502] RDX: 0000000040000000 RSI: 00007ffd56835dd0 RDI: ffffffffffffffff [ 1027.362848] RBP: 0000000000000b79 R08: 0000000000000001 R09: 0000000000000001 [ 1027.370127] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 1027.377406] R13: 00007ffd56835dd0 R14: 0000000000d1899b R15: 00007ffd56835de0 [ 1027.402094] Mem-Info: [ 1027.404562] active_anon:186088 inactive_anon:486 isolated_anon:0 [ 1027.404562] active_file:214 inactive_file:179 isolated_file:64 [ 1027.404562] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1027.404562] slab_reclaimable:14680 slab_unreclaimable:120947 [ 1027.404562] mapped:52290 shmem:540 pagetables:6306 bounce:0 [ 1027.404562] free:13728 free_pcp:88 free_cma:0 [ 1027.440797] Node 0 active_anon:671304kB inactive_anon:1936kB active_file:940kB inactive_file:696kB unevictable:12kB isolated(anon):0kB isolated(file):108kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1027.469352] Node 1 active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1027.495868] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:20kB inactive_file:48kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1027.534074] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1027.539413] Node 0 DMA32 free:18160kB min:36380kB low:45472kB high:54564kB active_anon:669208kB inactive_anon:1936kB active_file:944kB inactive_file:728kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11200kB pagetables:23296kB bounce:0kB free_pcp:124kB local_pcp:124kB free_cma:0kB [ 1027.574271] lowmem_reserve[]: 0 0 0 0 0 [ 1027.586246] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1027.617270] lowmem_reserve[]: 0 0 0 0 0 [ 1027.621615] Node 1 Normal free:26452kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1027.659043] lowmem_reserve[]: 0 0 0 0 0 [ 1027.663274] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1027.685985] Node 0 DMA32: 2176*4kB (MEH) 907*8kB (MEH) 79*16kB (UMH) 10*32kB (UMH) 7*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18120kB [ 1027.706818] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1027.717696] Node 1 Normal: 377*4kB (UME) 196*8kB (UME) 159*16kB (UM) 187*32kB (UME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26452kB [ 1027.749187] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1027.758200] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1027.771425] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1027.786170] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1027.795758] 968 total pagecache pages [ 1027.799930] 0 pages in swap cache [ 1027.807998] Swap cache stats: add 0, delete 0, find 0/0 [ 1027.813507] Free swap = 0kB [ 1027.816529] Total swap = 0kB [ 1027.819541] 1965979 pages RAM [ 1027.824108] 0 pages HighMem/MovableOnly [ 1027.828086] 335869 pages reserved [ 1027.831708] 0 pages cma reserved [ 1027.835073] Out of memory: Kill process 11314 (syz-executor.3) score 1005 or sacrifice child [ 1027.843865] Killed process 11314 (syz-executor.3) total-vm:72720kB, anon-rss:4252kB, file-rss:34688kB, shmem-rss:0kB [ 1027.881465] oom_reaper: reaped process 11314 (syz-executor.3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1027.904542] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1027.917168] rsyslogd cpuset=/ mems_allowed=0-1 [ 1027.923711] CPU: 1 PID: 7104 Comm: rsyslogd Not tainted 4.14.167-syzkaller #0 [ 1027.931001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1027.940490] Call Trace: [ 1027.943078] dump_stack+0x142/0x197 [ 1027.946748] dump_header+0x177/0x6cd [ 1027.950459] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1027.955586] ? ___ratelimit+0x55/0x537 [ 1027.959492] oom_kill_process.cold+0x10/0xadd [ 1027.964089] ? oom_unkillable_task+0x294/0x390 [ 1027.968677] ? lock_downgrade+0x740/0x740 [ 1027.972850] out_of_memory+0x2ee/0x1180 [ 1027.976842] ? lock_acquire+0x16f/0x430 [ 1027.980807] ? oom_killer_disable+0x1d0/0x1d0 [ 1027.985320] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1027.990242] __alloc_pages_slowpath+0x2251/0x2930 [ 1027.995139] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1027.999992] ? warn_alloc+0xf0/0xf0 [ 1028.003634] ? __might_sleep+0x93/0xb0 [ 1028.007518] __alloc_pages_nodemask+0x62c/0x7a0 [ 1028.012283] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1028.017449] ? lock_downgrade+0x740/0x740 [ 1028.021652] alloc_pages_current+0xec/0x1e0 [ 1028.025999] __page_cache_alloc+0x248/0x3e0 [ 1028.030431] filemap_fault+0xcef/0x1de0 [ 1028.034400] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1028.039330] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1028.043990] ? lock_acquire+0x16f/0x430 [ 1028.047954] ? ext4_filemap_fault+0x7b/0xb0 [ 1028.052277] ext4_filemap_fault+0x83/0xb0 [ 1028.056416] __do_fault+0x104/0x390 [ 1028.060034] __handle_mm_fault+0x23bd/0x33d0 [ 1028.064448] ? copy_page_range+0x1de0/0x1de0 [ 1028.068845] ? find_held_lock+0x35/0x130 [ 1028.072985] ? handle_mm_fault+0x1b6/0x7c0 [ 1028.077278] handle_mm_fault+0x293/0x7c0 [ 1028.081529] __do_page_fault+0x4c1/0xb80 [ 1028.085937] ? vmalloc_fault+0xe30/0xe30 [ 1028.089997] ? page_fault+0x2f/0x50 [ 1028.093632] do_page_fault+0x71/0x511 [ 1028.097913] ? page_fault+0x2f/0x50 [ 1028.101546] page_fault+0x45/0x50 [ 1028.105002] RIP: 0033:0x7f32141001fd [ 1028.108823] RSP: 002b:00007f321169fe30 EFLAGS: 00010293 [ 1028.114505] RAX: 0000000000000b34 RBX: 0000000001dce670 RCX: 00007f32141001fd [ 1028.121779] RDX: 0000000000000fff RSI: 00007f3212ed45a0 RDI: 0000000000000004 [ 1028.129037] RBP: 0000000000000000 R08: 0000000001db9260 R09: 0000000000000000 [ 1028.136390] R10: 6b36313834333a73 R11: 0000000000000293 R12: 000000000065e420 [ 1028.143735] R13: 00007f32116a09c0 R14: 00007f3214745040 R15: 0000000000000003 [ 1028.163329] Mem-Info: [ 1028.166148] active_anon:185031 inactive_anon:486 isolated_anon:0 [ 1028.166148] active_file:221 inactive_file:208 isolated_file:0 [ 1028.166148] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1028.166148] slab_reclaimable:14680 slab_unreclaimable:120949 [ 1028.166148] mapped:52290 shmem:540 pagetables:6281 bounce:0 [ 1028.166148] free:13740 free_pcp:91 free_cma:0 [ 1028.206852] Node 0 active_anon:667076kB inactive_anon:1936kB active_file:948kB inactive_file:632kB unevictable:12kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1028.245421] Node 1 active_anon:73048kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1028.278042] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:24kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1028.305247] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1028.316531] Node 0 DMA32 free:18136kB min:36380kB low:45472kB high:54564kB active_anon:664980kB inactive_anon:1936kB active_file:880kB inactive_file:756kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11200kB pagetables:23196kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1028.351181] lowmem_reserve[]: 0 0 0 0 0 [ 1028.355625] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1028.396425] lowmem_reserve[]: 0 0 0 0 0 [ 1028.400596] Node 1 Normal free:26452kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1028.433120] lowmem_reserve[]: 0 0 0 0 0 [ 1028.437207] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1028.453111] Node 0 DMA32: 2178*4kB (UMEH) 907*8kB (UMEH) 77*16kB (UMH) 9*32kB (MH) 6*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18000kB [ 1028.467967] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1028.479034] Node 1 Normal: 377*4kB (UME) 196*8kB (UME) 159*16kB (UM) 187*32kB (UME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26452kB [ 1028.495796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1028.508846] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1028.517689] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1028.527404] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1028.536130] 968 total pagecache pages [ 1028.540167] 0 pages in swap cache [ 1028.543767] Swap cache stats: add 0, delete 0, find 0/0 [ 1028.549321] Free swap = 0kB [ 1028.553653] Total swap = 0kB [ 1028.559678] 1965979 pages RAM [ 1028.563353] 0 pages HighMem/MovableOnly [ 1028.567801] 335869 pages reserved [ 1028.571319] 0 pages cma reserved [ 1028.574697] Out of memory: Kill process 11353 (syz-executor.3) score 1005 or sacrifice child [ 1028.583692] Killed process 11353 (syz-executor.3) total-vm:72720kB, anon-rss:4252kB, file-rss:34688kB, shmem-rss:0kB [ 1028.632996] oom_reaper: reaped process 11353 (syz-executor.3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1028.667590] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1028.709420] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1028.734137] CPU: 1 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1028.742263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1028.751838] Call Trace: [ 1028.754630] dump_stack+0x142/0x197 [ 1028.758304] dump_header+0x177/0x6cd [ 1028.762026] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1028.767479] ? ___ratelimit+0x55/0x537 [ 1028.771364] oom_kill_process.cold+0x10/0xadd [ 1028.775992] ? rcu_read_unlock_special+0x639/0xd40 [ 1028.781077] ? lock_downgrade+0x740/0x740 [ 1028.785241] out_of_memory+0x2ee/0x1180 [ 1028.789223] ? lock_acquire+0x16f/0x430 [ 1028.793226] ? oom_killer_disable+0x1d0/0x1d0 [ 1028.798173] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1028.803140] __alloc_pages_slowpath+0x2251/0x2930 [ 1028.808451] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1028.813424] ? warn_alloc+0xf0/0xf0 [ 1028.817076] ? __might_sleep+0x93/0xb0 [ 1028.820978] __alloc_pages_nodemask+0x62c/0x7a0 [ 1028.826513] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1028.831721] ? lock_downgrade+0x740/0x740 [ 1028.835869] alloc_pages_current+0xec/0x1e0 [ 1028.840220] __page_cache_alloc+0x248/0x3e0 [ 1028.844746] filemap_fault+0xcef/0x1de0 [ 1028.849072] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1028.854158] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1028.858844] ? lock_acquire+0x16f/0x430 [ 1028.862833] ? ext4_filemap_fault+0x7b/0xb0 [ 1028.867453] ext4_filemap_fault+0x83/0xb0 [ 1028.871604] __do_fault+0x104/0x390 [ 1028.875234] __handle_mm_fault+0x23bd/0x33d0 [ 1028.879772] ? copy_page_range+0x1de0/0x1de0 [ 1028.884186] ? find_held_lock+0x35/0x130 [ 1028.888261] ? handle_mm_fault+0x1b6/0x7c0 [ 1028.892512] handle_mm_fault+0x293/0x7c0 [ 1028.896580] __do_page_fault+0x4c1/0xb80 [ 1028.901031] ? vmalloc_fault+0xe30/0xe30 [ 1028.905106] ? page_fault+0x2f/0x50 [ 1028.908869] do_page_fault+0x71/0x511 [ 1028.912671] ? page_fault+0x2f/0x50 [ 1028.916421] page_fault+0x45/0x50 [ 1028.919868] RIP: 0033:0x40f162 [ 1028.923068] RSP: 002b:00007fffe00b9da0 EFLAGS: 00010207 [ 1028.928442] RAX: 00000000000002d2 RBX: 0000000000000000 RCX: 000000000041518a [ 1028.935991] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1028.943376] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1028.950809] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1028.958337] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1028.983244] Mem-Info: [ 1028.985855] active_anon:183972 inactive_anon:486 isolated_anon:0 [ 1028.985855] active_file:215 inactive_file:185 isolated_file:26 [ 1028.985855] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1028.985855] slab_reclaimable:14680 slab_unreclaimable:120545 [ 1028.985855] mapped:52290 shmem:540 pagetables:6256 bounce:0 [ 1028.985855] free:13837 free_pcp:61 free_cma:0 [ 1029.029577] Node 0 active_anon:662840kB inactive_anon:1936kB active_file:988kB inactive_file:752kB unevictable:12kB isolated(anon):0kB isolated(file):104kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1029.059796] Node 1 active_anon:73048kB inactive_anon:8kB active_file:16kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1029.087323] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:52kB inactive_file:16kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1029.125957] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1029.136201] Node 0 DMA32 free:18132kB min:36380kB low:45472kB high:54564kB active_anon:660744kB inactive_anon:1932kB active_file:884kB inactive_file:692kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11136kB pagetables:23096kB bounce:0kB free_pcp:244kB local_pcp:0kB free_cma:0kB [ 1029.170817] lowmem_reserve[]: 0 0 0 0 0 [ 1029.174866] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1029.217986] lowmem_reserve[]: 0 0 0 0 0 [ 1029.222279] Node 1 Normal free:26648kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:24kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:240kB local_pcp:120kB free_cma:0kB [ 1029.254667] lowmem_reserve[]: 0 0 0 0 0 [ 1029.258792] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1029.275016] Node 0 DMA32: 2154*4kB (UMEH) 895*8kB (MEH) 78*16kB (MH) 9*32kB (MH) 5*64kB (MH) 2*128kB (UH) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18144kB [ 1029.290203] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1029.305870] Node 1 Normal: 376*4kB (UME) 187*8kB (ME) 168*16kB (UM) 191*32kB (UME) 104*64kB (M) 38*128kB (UM) 9*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26648kB [ 1029.323867] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1029.346442] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1029.356263] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1029.368271] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1029.381179] 972 total pagecache pages [ 1029.385549] 0 pages in swap cache [ 1029.389282] Swap cache stats: add 0, delete 0, find 0/0 [ 1029.395959] Free swap = 0kB [ 1029.400251] Total swap = 0kB [ 1029.405659] 1965979 pages RAM [ 1029.410641] 0 pages HighMem/MovableOnly [ 1029.415494] 335869 pages reserved [ 1029.419554] 0 pages cma reserved [ 1029.428603] Out of memory: Kill process 26797 (syz-executor.4) score 1005 or sacrifice child [ 1029.446151] Killed process 26797 (syz-executor.4) total-vm:72984kB, anon-rss:4072kB, file-rss:34816kB, shmem-rss:0kB [ 1029.508387] oom_reaper: reaped process 26797 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1029.537481] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1029.551542] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1029.556452] CPU: 1 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1029.564507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1029.575220] Call Trace: [ 1029.578205] dump_stack+0x142/0x197 [ 1029.581855] dump_header+0x177/0x6cd [ 1029.585672] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1029.592287] ? ___ratelimit+0x55/0x537 [ 1029.596542] oom_kill_process.cold+0x10/0xadd [ 1029.602559] ? oom_unkillable_task+0x294/0x390 [ 1029.608447] ? lock_downgrade+0x740/0x740 [ 1029.613056] out_of_memory+0x2ee/0x1180 [ 1029.618091] ? lock_acquire+0x16f/0x430 [ 1029.623206] ? oom_killer_disable+0x1d0/0x1d0 [ 1029.628426] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1029.635230] __alloc_pages_slowpath+0x2251/0x2930 [ 1029.642198] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1029.649102] ? warn_alloc+0xf0/0xf0 [ 1029.652758] ? __might_sleep+0x93/0xb0 [ 1029.656956] __alloc_pages_nodemask+0x62c/0x7a0 [ 1029.661959] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1029.667512] ? lock_downgrade+0x740/0x740 [ 1029.672085] alloc_pages_current+0xec/0x1e0 [ 1029.677058] __page_cache_alloc+0x248/0x3e0 [ 1029.681563] filemap_fault+0xcef/0x1de0 [ 1029.685555] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1029.691622] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1029.696574] ? lock_acquire+0x16f/0x430 [ 1029.700726] ? ext4_filemap_fault+0x7b/0xb0 [ 1029.707755] ext4_filemap_fault+0x83/0xb0 [ 1029.713476] __do_fault+0x104/0x390 [ 1029.718666] __handle_mm_fault+0x23bd/0x33d0 [ 1029.725439] ? copy_page_range+0x1de0/0x1de0 [ 1029.730307] ? find_held_lock+0x35/0x130 [ 1029.735337] ? handle_mm_fault+0x1b6/0x7c0 [ 1029.740890] handle_mm_fault+0x293/0x7c0 [ 1029.745884] __do_page_fault+0x4c1/0xb80 [ 1029.750083] ? vmalloc_fault+0xe30/0xe30 [ 1029.755063] ? page_fault+0x2f/0x50 [ 1029.759665] do_page_fault+0x71/0x511 [ 1029.763981] ? page_fault+0x2f/0x50 [ 1029.768759] page_fault+0x45/0x50 [ 1029.773366] RIP: 0033:0x45b153 [ 1029.776875] RSP: 002b:000000c420039ea0 EFLAGS: 00010202 [ 1029.782443] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1029.790263] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1029.799418] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1029.807779] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1029.816002] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1030.008993] Mem-Info: [ 1030.022846] active_anon:182961 inactive_anon:485 isolated_anon:0 [ 1030.022846] active_file:226 inactive_file:216 isolated_file:24 [ 1030.022846] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1030.022846] slab_reclaimable:14680 slab_unreclaimable:119754 [ 1030.022846] mapped:52290 shmem:539 pagetables:6229 bounce:0 [ 1030.022846] free:14713 free_pcp:26 free_cma:0 [ 1030.062331] Node 0 active_anon:658796kB inactive_anon:1932kB active_file:924kB inactive_file:816kB unevictable:12kB isolated(anon):0kB isolated(file):96kB mapped:209160kB dirty:1544kB writeback:12kB shmem:2148kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1030.106977] Node 1 active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1030.168834] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:44kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1030.214980] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1030.233209] Node 0 DMA32 free:17984kB min:36380kB low:45472kB high:54564kB active_anon:656700kB inactive_anon:1924kB active_file:852kB inactive_file:852kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:11008kB pagetables:22988kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1030.274072] lowmem_reserve[]: 0 0 0 0 0 [ 1030.278977] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1030.309061] lowmem_reserve[]: 0 0 0 0 0 [ 1030.313147] Node 1 Normal free:26676kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:40kB inactive_file:8kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1030.346600] lowmem_reserve[]: 0 0 0 0 0 [ 1030.370672] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1030.386746] Node 0 DMA32: 1975*4kB (UMEH) 1063*8kB (UMEH) 68*16kB (UMH) 7*32kB (H) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18100kB [ 1030.402622] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1030.418966] Node 1 Normal: 373*4kB (ME) 188*8kB (UME) 159*16kB (UM) 187*32kB (UME) 105*64kB (UM) 36*128kB (UM) 11*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26692kB [ 1030.437929] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1030.447072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1030.456029] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1030.475869] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1030.484774] 977 total pagecache pages [ 1030.488741] 0 pages in swap cache [ 1030.492274] Swap cache stats: add 0, delete 0, find 0/0 [ 1030.497667] Free swap = 0kB [ 1030.500754] Total swap = 0kB [ 1030.503782] 1965979 pages RAM [ 1030.506889] 0 pages HighMem/MovableOnly [ 1030.510904] 335869 pages reserved [ 1030.514382] 0 pages cma reserved [ 1030.517828] Out of memory: Kill process 20240 (syz-executor.0) score 1005 or sacrifice child [ 1030.538749] Killed process 20240 (syz-executor.0) total-vm:72984kB, anon-rss:3404kB, file-rss:34816kB, shmem-rss:0kB [ 1030.578386] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1030.598632] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1030.646439] CPU: 1 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1030.654409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1030.663782] Call Trace: [ 1030.666559] dump_stack+0x142/0x197 [ 1030.670206] dump_header+0x177/0x6cd [ 1030.673983] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1030.679104] ? ___ratelimit+0x55/0x537 [ 1030.683031] oom_kill_process.cold+0x10/0xadd [ 1030.687536] ? oom_unkillable_task+0x294/0x390 [ 1030.692139] ? lock_downgrade+0x740/0x740 [ 1030.696301] out_of_memory+0x2ee/0x1180 [ 1030.700283] ? lock_acquire+0x16f/0x430 [ 1030.704267] ? oom_killer_disable+0x1d0/0x1d0 [ 1030.708763] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1030.713702] __alloc_pages_slowpath+0x2251/0x2930 [ 1030.718553] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1030.723591] ? warn_alloc+0xf0/0xf0 [ 1030.727366] ? __might_sleep+0x93/0xb0 [ 1030.731269] __alloc_pages_nodemask+0x62c/0x7a0 [ 1030.735936] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1030.740960] ? lock_downgrade+0x740/0x740 [ 1030.745214] alloc_pages_current+0xec/0x1e0 [ 1030.749542] __page_cache_alloc+0x248/0x3e0 [ 1030.753869] filemap_fault+0xcef/0x1de0 [ 1030.757982] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1030.762923] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1030.767595] ? lock_acquire+0x16f/0x430 [ 1030.771572] ? ext4_filemap_fault+0x7b/0xb0 [ 1030.775916] ext4_filemap_fault+0x83/0xb0 [ 1030.780073] __do_fault+0x104/0x390 [ 1030.783713] __handle_mm_fault+0x23bd/0x33d0 [ 1030.788126] ? copy_page_range+0x1de0/0x1de0 [ 1030.792550] ? find_held_lock+0x35/0x130 [ 1030.796619] ? handle_mm_fault+0x1b6/0x7c0 [ 1030.800873] handle_mm_fault+0x293/0x7c0 [ 1030.804943] __do_page_fault+0x4c1/0xb80 [ 1030.809014] ? vmalloc_fault+0xe30/0xe30 [ 1030.813087] ? page_fault+0x2f/0x50 [ 1030.816723] do_page_fault+0x71/0x511 [ 1030.820727] ? page_fault+0x2f/0x50 [ 1030.824364] page_fault+0x45/0x50 [ 1030.827822] RIP: 0033:0x40f162 [ 1030.831131] RSP: 002b:00007fffe00b9da0 EFLAGS: 00010207 [ 1030.836614] RAX: 00000000000002d2 RBX: 0000000000000000 RCX: 000000000041518a [ 1030.843890] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1030.851284] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1030.858573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1030.865987] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1030.881611] Mem-Info: [ 1030.884103] active_anon:182117 inactive_anon:483 isolated_anon:0 [ 1030.884103] active_file:202 inactive_file:180 isolated_file:64 [ 1030.884103] unevictable:3 dirty:402 writeback:1 unstable:0 [ 1030.884103] slab_reclaimable:14680 slab_unreclaimable:119338 [ 1030.884103] mapped:52290 shmem:537 pagetables:6202 bounce:0 [ 1030.884103] free:13791 free_pcp:91 free_cma:0 [ 1030.918010] Node 0 active_anon:655420kB inactive_anon:1924kB active_file:844kB inactive_file:824kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1568kB writeback:4kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 178176kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1030.954935] Node 1 active_anon:73048kB inactive_anon:8kB active_file:24kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1030.985586] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:36kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1031.014599] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1031.019952] Node 0 DMA32 free:18456kB min:36380kB low:45472kB high:54564kB active_anon:653324kB inactive_anon:1924kB active_file:864kB inactive_file:808kB unevictable:12kB writepending:1520kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10848kB pagetables:22880kB bounce:0kB free_pcp:4kB local_pcp:4kB free_cma:0kB [ 1031.049607] lowmem_reserve[]: 0 0 0 0 0 [ 1031.053733] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1031.082238] lowmem_reserve[]: 0 0 0 0 0 [ 1031.086303] Node 1 Normal free:26700kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:24kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1031.115383] lowmem_reserve[]: 0 0 0 0 0 [ 1031.119536] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1031.136082] Node 0 DMA32: 1975*4kB (UMEH) 1055*8kB (UMEH) 65*16kB (MH) 8*32kB (UH) 4*64kB (H) 2*128kB (UH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18148kB [ 1031.150697] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1031.161725] Node 1 Normal: 375*4kB (UME) 188*8kB (UME) 159*16kB (UM) 187*32kB (UME) 105*64kB (UM) 36*128kB (UM) 11*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26700kB [ 1031.177838] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1031.186852] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1031.195498] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1031.211150] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1031.222190] 971 total pagecache pages [ 1031.226162] 0 pages in swap cache [ 1031.229619] Swap cache stats: add 0, delete 0, find 0/0 [ 1031.236192] Free swap = 0kB [ 1031.239227] Total swap = 0kB [ 1031.253585] 1965979 pages RAM [ 1031.256738] 0 pages HighMem/MovableOnly [ 1031.261048] 335869 pages reserved [ 1031.264502] 0 pages cma reserved [ 1031.267936] Out of memory: Kill process 13916 (syz-executor.5) score 1005 or sacrifice child [ 1031.276571] Killed process 13916 (syz-executor.5) total-vm:72852kB, anon-rss:2224kB, file-rss:34816kB, shmem-rss:0kB [ 1031.443016] cron invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1031.461604] cron cpuset=/ mems_allowed=0-1 [ 1031.466080] CPU: 1 PID: 7155 Comm: cron Not tainted 4.14.167-syzkaller #0 [ 1031.473159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1031.482515] Call Trace: [ 1031.485101] dump_stack+0x142/0x197 [ 1031.488967] ? uas_probe+0xf0/0x1320 [ 1031.492773] dump_header+0x177/0x6cd [ 1031.496521] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1031.501751] ? ___ratelimit+0x55/0x537 [ 1031.505659] oom_kill_process.cold+0x10/0xadd [ 1031.510158] ? oom_unkillable_task+0x294/0x390 [ 1031.514776] ? lock_downgrade+0x740/0x740 [ 1031.519057] out_of_memory+0x2ee/0x1180 [ 1031.523179] ? lock_acquire+0x16f/0x430 [ 1031.527155] ? oom_killer_disable+0x1d0/0x1d0 [ 1031.531775] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1031.536721] __alloc_pages_slowpath+0x2251/0x2930 [ 1031.541999] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1031.546886] ? warn_alloc+0xf0/0xf0 [ 1031.550526] ? __might_sleep+0x93/0xb0 [ 1031.554477] __alloc_pages_nodemask+0x62c/0x7a0 [ 1031.559170] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1031.564193] ? lock_downgrade+0x740/0x740 [ 1031.568381] alloc_pages_current+0xec/0x1e0 [ 1031.572748] __page_cache_alloc+0x248/0x3e0 [ 1031.577084] filemap_fault+0xcef/0x1de0 [ 1031.581229] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1031.586461] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1031.591164] ? lock_acquire+0x16f/0x430 [ 1031.595133] ? ext4_filemap_fault+0x7b/0xb0 [ 1031.599471] ext4_filemap_fault+0x83/0xb0 [ 1031.603615] __do_fault+0x104/0x390 [ 1031.607281] __handle_mm_fault+0x23bd/0x33d0 [ 1031.611690] ? copy_page_range+0x1de0/0x1de0 [ 1031.616093] ? find_held_lock+0x35/0x130 [ 1031.620177] ? handle_mm_fault+0x1b6/0x7c0 [ 1031.624415] handle_mm_fault+0x293/0x7c0 [ 1031.628473] __do_page_fault+0x4c1/0xb80 [ 1031.632535] ? vmalloc_fault+0xe30/0xe30 [ 1031.636960] ? page_fault+0x2f/0x50 [ 1031.640596] do_page_fault+0x71/0x511 [ 1031.644817] ? page_fault+0x2f/0x50 [ 1031.648447] page_fault+0x45/0x50 [ 1031.651893] RIP: 0033:0x7ffb9b99de40 [ 1031.655687] RSP: 002b:00007fff5d3ac258 EFLAGS: 00010246 [ 1031.661059] RAX: 0000000000000000 RBX: 00007fff5d3ac380 RCX: 00007ffb9b99de40 [ 1031.668451] RDX: 0000000000000000 RSI: 00007fff5d3ac400 RDI: 00007fff5d3ac400 [ 1031.675728] RBP: 00007fff5d3ac300 R08: 00007fff5d3ac260 R09: 0000000000000000 [ 1031.683000] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff [ 1031.690268] R13: 00007fff5d3ac560 R14: 0000000000000000 R15: 0000000000000000 [ 1031.715049] Mem-Info: [ 1031.717501] active_anon:181568 inactive_anon:483 isolated_anon:0 [ 1031.717501] active_file:209 inactive_file:201 isolated_file:0 [ 1031.717501] unevictable:3 dirty:398 writeback:0 unstable:0 [ 1031.717501] slab_reclaimable:14680 slab_unreclaimable:119327 [ 1031.717501] mapped:52290 shmem:537 pagetables:6176 bounce:0 [ 1031.717501] free:13804 free_pcp:29 free_cma:0 [ 1031.757441] Node 0 active_anon:653224kB inactive_anon:1924kB active_file:800kB inactive_file:780kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1560kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1031.790536] Node 1 active_anon:73048kB inactive_anon:8kB active_file:24kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1031.829320] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:36kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1031.857032] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1031.862151] Node 0 DMA32 free:18140kB min:36380kB low:45472kB high:54564kB active_anon:651128kB inactive_anon:1924kB active_file:784kB inactive_file:752kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10816kB pagetables:22776kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1031.892088] lowmem_reserve[]: 0 0 0 0 0 [ 1031.896109] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1031.922480] lowmem_reserve[]: 0 0 0 0 0 [ 1031.926494] Node 1 Normal free:26700kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1031.957193] lowmem_reserve[]: 0 0 0 0 0 [ 1031.961317] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1031.977316] Node 0 DMA32: 2005*4kB (MEH) 1055*8kB (UMEH) 65*16kB (MH) 8*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18140kB [ 1031.994135] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1032.016208] Node 1 Normal: 375*4kB (UME) 188*8kB (UME) 159*16kB (UM) 187*32kB (UME) 105*64kB (UM) 36*128kB (UM) 11*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26700kB [ 1032.032625] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1032.043723] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1032.052836] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1032.061758] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1032.070679] 971 total pagecache pages [ 1032.074673] 0 pages in swap cache [ 1032.078395] Swap cache stats: add 0, delete 0, find 0/0 [ 1032.084429] Free swap = 0kB [ 1032.087461] Total swap = 0kB [ 1032.091346] 1965979 pages RAM [ 1032.094603] 0 pages HighMem/MovableOnly [ 1032.098582] 335869 pages reserved [ 1032.102299] 0 pages cma reserved [ 1032.105759] Out of memory: Kill process 26474 (syz-executor.5) score 1005 or sacrifice child [ 1032.118476] Killed process 26474 (syz-executor.5) total-vm:72984kB, anon-rss:3252kB, file-rss:34816kB, shmem-rss:0kB [ 1032.165144] oom_reaper: reaped process 26474 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1032.205998] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1032.219595] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1032.226122] CPU: 0 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1032.233931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1032.243331] Call Trace: [ 1032.245925] dump_stack+0x142/0x197 [ 1032.249550] dump_header+0x177/0x6cd [ 1032.253379] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1032.258649] ? ___ratelimit+0x55/0x537 [ 1032.262572] oom_kill_process.cold+0x10/0xadd [ 1032.267227] ? oom_unkillable_task+0x294/0x390 [ 1032.271813] ? lock_downgrade+0x740/0x740 [ 1032.275961] out_of_memory+0x2ee/0x1180 [ 1032.279928] ? lock_acquire+0x16f/0x430 [ 1032.283927] ? oom_killer_disable+0x1d0/0x1d0 [ 1032.288427] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1032.293356] __alloc_pages_slowpath+0x2251/0x2930 [ 1032.298195] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1032.303091] ? warn_alloc+0xf0/0xf0 [ 1032.306752] ? __might_sleep+0x93/0xb0 [ 1032.310786] __alloc_pages_nodemask+0x62c/0x7a0 [ 1032.315459] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1032.320480] ? lock_downgrade+0x740/0x740 [ 1032.324626] alloc_pages_current+0xec/0x1e0 [ 1032.328943] __page_cache_alloc+0x248/0x3e0 [ 1032.333593] filemap_fault+0xcef/0x1de0 [ 1032.337746] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1032.342775] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1032.347687] ? lock_acquire+0x16f/0x430 [ 1032.351865] ? ext4_filemap_fault+0x7b/0xb0 [ 1032.356251] ext4_filemap_fault+0x83/0xb0 [ 1032.360397] __do_fault+0x104/0x390 [ 1032.364029] __handle_mm_fault+0x23bd/0x33d0 [ 1032.368445] ? copy_page_range+0x1de0/0x1de0 [ 1032.372938] ? find_held_lock+0x35/0x130 [ 1032.376993] ? handle_mm_fault+0x1b6/0x7c0 [ 1032.381670] handle_mm_fault+0x293/0x7c0 [ 1032.385727] __do_page_fault+0x4c1/0xb80 [ 1032.389797] ? vmalloc_fault+0xe30/0xe30 [ 1032.394004] ? page_fault+0x2f/0x50 [ 1032.397625] do_page_fault+0x71/0x511 [ 1032.401418] ? page_fault+0x2f/0x50 [ 1032.405220] page_fault+0x45/0x50 [ 1032.408704] RIP: 0033:0x40f162 [ 1032.411978] RSP: 002b:00007fffe00b9da0 EFLAGS: 00010207 [ 1032.417380] RAX: 00000000000002d2 RBX: 0000000000000000 RCX: 000000000041518a [ 1032.424647] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1032.432027] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1032.439336] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1032.446607] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1032.468238] Mem-Info: [ 1032.470766] active_anon:180763 inactive_anon:483 isolated_anon:0 [ 1032.470766] active_file:243 inactive_file:206 isolated_file:0 [ 1032.470766] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1032.470766] slab_reclaimable:14680 slab_unreclaimable:119328 [ 1032.470766] mapped:52290 shmem:537 pagetables:6149 bounce:0 [ 1032.470766] free:13979 free_pcp:29 free_cma:0 [ 1032.507380] Node 0 active_anon:650004kB inactive_anon:1924kB active_file:888kB inactive_file:768kB unevictable:12kB isolated(anon):0kB isolated(file):104kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1032.541915] Node 1 active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1032.569112] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:48kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1032.605307] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1032.610661] Node 0 DMA32 free:18420kB min:36380kB low:45472kB high:54564kB active_anon:647908kB inactive_anon:1924kB active_file:796kB inactive_file:780kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10816kB pagetables:22668kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1032.652577] lowmem_reserve[]: 0 0 0 0 0 [ 1032.656748] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1032.687714] lowmem_reserve[]: 0 0 0 0 0 [ 1032.697979] Node 1 Normal free:26700kB min:53508kB low:66884kB high:80260kB active_anon:73048kB inactive_anon:8kB active_file:20kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 1032.731020] lowmem_reserve[]: 0 0 0 0 0 [ 1032.735230] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1032.751504] Node 0 DMA32: 1870*4kB (MEH) 1099*8kB (UMEH) 75*16kB (UMH) 7*32kB (H) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18080kB [ 1032.766385] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1032.777416] Node 1 Normal: 377*4kB (UME) 188*8kB (UME) 159*16kB (UM) 187*32kB (UME) 105*64kB (UM) 36*128kB (UM) 11*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26708kB [ 1032.793881] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1032.806274] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1032.815181] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1032.826967] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1032.835861] 973 total pagecache pages [ 1032.839682] 0 pages in swap cache [ 1032.843194] Swap cache stats: add 0, delete 0, find 0/0 [ 1032.848695] Free swap = 0kB [ 1032.858446] Total swap = 0kB [ 1032.869403] 1965979 pages RAM [ 1032.874791] 0 pages HighMem/MovableOnly [ 1032.879018] 335869 pages reserved [ 1032.889363] 0 pages cma reserved [ 1032.893021] Out of memory: Kill process 28047 (syz-executor.2) score 1005 or sacrifice child [ 1032.903839] Killed process 28047 (syz-executor.2) total-vm:72984kB, anon-rss:3216kB, file-rss:34816kB, shmem-rss:0kB [ 1032.963947] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1032.979862] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1032.995272] CPU: 1 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1033.003227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1033.012992] Call Trace: [ 1033.015715] dump_stack+0x142/0x197 [ 1033.019452] dump_header+0x177/0x6cd [ 1033.023327] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1033.028448] ? ___ratelimit+0x55/0x537 [ 1033.032478] oom_kill_process.cold+0x10/0xadd [ 1033.037230] ? oom_unkillable_task+0x294/0x390 [ 1033.041936] ? lock_downgrade+0x740/0x740 [ 1033.046541] out_of_memory+0x2ee/0x1180 [ 1033.050509] ? lock_acquire+0x16f/0x430 [ 1033.054772] ? oom_killer_disable+0x1d0/0x1d0 [ 1033.059268] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1033.064372] __alloc_pages_slowpath+0x2251/0x2930 [ 1033.069214] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1033.074185] ? warn_alloc+0xf0/0xf0 [ 1033.077939] ? __might_sleep+0x93/0xb0 [ 1033.081947] __alloc_pages_nodemask+0x62c/0x7a0 [ 1033.087022] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1033.092364] ? lock_downgrade+0x740/0x740 [ 1033.096871] alloc_pages_current+0xec/0x1e0 [ 1033.101427] __page_cache_alloc+0x248/0x3e0 [ 1033.105844] filemap_fault+0xcef/0x1de0 [ 1033.110697] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1033.117440] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1033.122698] ? lock_acquire+0x16f/0x430 [ 1033.127779] ? ext4_filemap_fault+0x7b/0xb0 [ 1033.132534] ext4_filemap_fault+0x83/0xb0 [ 1033.137658] __do_fault+0x104/0x390 [ 1033.142069] __handle_mm_fault+0x23bd/0x33d0 [ 1033.147900] ? copy_page_range+0x1de0/0x1de0 [ 1033.154201] ? find_held_lock+0x35/0x130 [ 1033.159704] ? handle_mm_fault+0x1b6/0x7c0 [ 1033.168030] handle_mm_fault+0x293/0x7c0 [ 1033.173085] __do_page_fault+0x4c1/0xb80 [ 1033.177948] ? vmalloc_fault+0xe30/0xe30 [ 1033.182258] ? page_fault+0x2f/0x50 [ 1033.185883] do_page_fault+0x71/0x511 [ 1033.189810] ? page_fault+0x2f/0x50 [ 1033.193440] page_fault+0x45/0x50 [ 1033.196895] RIP: 0033:0x40f162 [ 1033.200126] RSP: 002b:00007fffe00b9da0 EFLAGS: 00010207 [ 1033.205649] RAX: 00000000000002d2 RBX: 0000000000000000 RCX: 000000000041518a [ 1033.213082] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1033.220351] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1033.227636] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1033.235481] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1033.259132] Mem-Info: [ 1033.264671] active_anon:179966 inactive_anon:483 isolated_anon:0 [ 1033.264671] active_file:210 inactive_file:208 isolated_file:32 [ 1033.264671] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1033.264671] slab_reclaimable:14680 slab_unreclaimable:119313 [ 1033.264671] mapped:52290 shmem:537 pagetables:6122 bounce:0 [ 1033.264671] free:13883 free_pcp:0 free_cma:0 [ 1033.302180] Node 0 active_anon:646840kB inactive_anon:1924kB active_file:828kB inactive_file:860kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1572kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1033.302196] Node 1 active_anon:73024kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1033.302201] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:40kB inactive_file:16kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1033.302221] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1033.302246] Node 0 DMA32 free:18256kB min:36380kB low:45472kB high:54564kB active_anon:644744kB inactive_anon:1924kB active_file:796kB inactive_file:824kB unevictable:12kB writepending:1512kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10816kB pagetables:22560kB bounce:0kB free_pcp:136kB local_pcp:0kB free_cma:0kB [ 1033.302267] lowmem_reserve[]: 0 0 0 0 0 [ 1033.302292] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1033.302310] lowmem_reserve[]: 0 0 0 0 0 [ 1033.302334] Node 1 Normal free:26828kB min:53508kB low:66884kB high:80260kB active_anon:73024kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1033.302353] lowmem_reserve[]: 0 0 0 0 0 [ 1033.302378] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1033.302485] Node 0 DMA32: 1877*4kB (MEH) 1075*8kB (UMEH) 97*16kB (UMH) 7*32kB (H) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18268kB [ 1033.302563] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1033.302627] Node 1 Normal: 377*4kB (UME) 202*8kB (UME) 157*16kB (UM) 185*32kB (UME) 105*64kB (UM) 37*128kB (UM) 11*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26852kB [ 1033.302710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1033.302717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1033.302723] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1033.302730] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1033.302734] 973 total pagecache pages [ 1033.302747] 0 pages in swap cache [ 1033.302752] Swap cache stats: add 0, delete 0, find 0/0 [ 1033.302756] Free swap = 0kB [ 1033.302760] Total swap = 0kB [ 1033.302767] 1965979 pages RAM [ 1033.302771] 0 pages HighMem/MovableOnly [ 1033.302775] 335869 pages reserved [ 1033.302779] 0 pages cma reserved [ 1033.302786] Out of memory: Kill process 25171 (syz-executor.5) score 1005 or sacrifice child [ 1033.302825] Killed process 25171 (syz-executor.5) total-vm:72988kB, anon-rss:3048kB, file-rss:34816kB, shmem-rss:0kB [ 1033.358858] oom_reaper: reaped process 25171 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1033.698952] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1033.713910] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1033.719139] CPU: 0 PID: 7248 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1033.727302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1033.737585] Call Trace: [ 1033.740733] dump_stack+0x142/0x197 [ 1033.744640] ? perf_trace_drv_tdls_recv_channel_switch+0x540/0xd90 [ 1033.751503] dump_header+0x177/0x6cd [ 1033.755586] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1033.761160] ? ___ratelimit+0x55/0x537 [ 1033.765250] oom_kill_process.cold+0x10/0xadd [ 1033.770200] ? oom_unkillable_task+0x294/0x390 [ 1033.775154] ? lock_downgrade+0x740/0x740 [ 1033.779541] out_of_memory+0x2ee/0x1180 [ 1033.783528] ? lock_acquire+0x16f/0x430 [ 1033.787923] ? oom_killer_disable+0x1d0/0x1d0 [ 1033.793523] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1033.798726] __alloc_pages_slowpath+0x2251/0x2930 [ 1033.803685] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1033.809077] ? warn_alloc+0xf0/0xf0 [ 1033.813699] ? __might_sleep+0x93/0xb0 [ 1033.818146] __alloc_pages_nodemask+0x62c/0x7a0 [ 1033.823202] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1033.829573] ? lock_downgrade+0x740/0x740 [ 1033.834341] alloc_pages_current+0xec/0x1e0 [ 1033.839469] __page_cache_alloc+0x248/0x3e0 [ 1033.845572] filemap_fault+0xcef/0x1de0 [ 1033.850170] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1033.856688] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1033.861726] ? lock_acquire+0x16f/0x430 [ 1033.865976] ? ext4_filemap_fault+0x7b/0xb0 [ 1033.870494] ext4_filemap_fault+0x83/0xb0 [ 1033.876320] __do_fault+0x104/0x390 [ 1033.880187] __handle_mm_fault+0x23bd/0x33d0 [ 1033.884978] ? copy_page_range+0x1de0/0x1de0 [ 1033.890456] ? find_held_lock+0x35/0x130 [ 1033.894537] ? handle_mm_fault+0x1b6/0x7c0 [ 1033.898946] handle_mm_fault+0x293/0x7c0 [ 1033.903224] __do_page_fault+0x4c1/0xb80 [ 1033.907641] ? vmalloc_fault+0xe30/0xe30 [ 1033.911827] ? page_fault+0x2f/0x50 [ 1033.915692] do_page_fault+0x71/0x511 [ 1033.920091] ? page_fault+0x2f/0x50 [ 1033.924099] page_fault+0x45/0x50 [ 1033.927746] RIP: 0033:0x436713 [ 1033.930938] RSP: 002b:000000c42004ff28 EFLAGS: 00010212 [ 1033.936489] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 000000000045ac23 [ 1033.944290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 1033.951834] RBP: 000000c42004ff20 R08: 000000c42004ff08 R09: 0000000000000000 [ 1033.959926] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000042f0a0 [ 1033.967495] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 1033.983621] Mem-Info: [ 1033.986083] active_anon:179212 inactive_anon:483 isolated_anon:0 [ 1033.986083] active_file:229 inactive_file:207 isolated_file:0 [ 1033.986083] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1033.986083] slab_reclaimable:14680 slab_unreclaimable:119312 [ 1033.986083] mapped:52290 shmem:537 pagetables:6122 bounce:0 [ 1033.986083] free:13692 free_pcp:53 free_cma:0 [ 1034.032792] Node 0 active_anon:643828kB inactive_anon:1924kB active_file:816kB inactive_file:816kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1034.066987] Node 1 active_anon:73020kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1034.095775] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:24kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1034.096887] NOHZ: local_softirq_pending 08 [ 1034.124134] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1034.143564] Node 0 DMA32 free:18248kB min:36380kB low:45472kB high:54564kB active_anon:641732kB inactive_anon:1924kB active_file:988kB inactive_file:756kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10784kB pagetables:22560kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1034.184993] lowmem_reserve[]: 0 0 0 0 0 [ 1034.189347] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1034.221463] lowmem_reserve[]: 0 0 0 0 0 [ 1034.225944] Node 1 Normal free:26360kB min:53508kB low:66884kB high:80260kB active_anon:73020kB inactive_anon:8kB active_file:0kB inactive_file:36kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1034.265521] lowmem_reserve[]: 0 0 0 0 0 [ 1034.269930] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1034.294739] Node 0 DMA32: 1877*4kB (MEH) 1059*8kB (UMEH) 94*16kB (MH) 8*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18124kB [ 1034.311382] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1034.322703] Node 1 Normal: 376*4kB (UME) 185*8kB (ME) 155*16kB (M) 185*32kB (ME) 104*64kB (M) 37*128kB (UM) 10*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26360kB [ 1034.339971] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1034.349758] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1034.359762] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1034.371456] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1034.384256] 968 total pagecache pages [ 1034.388243] 0 pages in swap cache [ 1034.391901] Swap cache stats: add 0, delete 0, find 0/0 [ 1034.397270] Free swap = 0kB [ 1034.401345] Total swap = 0kB [ 1034.404589] 1965979 pages RAM [ 1034.407725] 0 pages HighMem/MovableOnly [ 1034.415324] 335869 pages reserved [ 1034.418798] 0 pages cma reserved [ 1034.422207] Out of memory: Kill process 25203 (syz-executor.5) score 1005 or sacrifice child [ 1034.436378] Killed process 25203 (syz-executor.5) total-vm:72988kB, anon-rss:2556kB, file-rss:34816kB, shmem-rss:0kB [ 1034.486202] oom_reaper: reaped process 25203 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1034.504678] init invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1034.517486] init cpuset=/ mems_allowed=0-1 [ 1034.522039] CPU: 1 PID: 1 Comm: init Not tainted 4.14.167-syzkaller #0 [ 1034.529028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1034.538395] Call Trace: [ 1034.541010] dump_stack+0x142/0x197 [ 1034.544973] dump_header+0x177/0x6cd [ 1034.548810] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1034.554356] ? ___ratelimit+0x55/0x537 [ 1034.558343] oom_kill_process.cold+0x10/0xadd [ 1034.562853] ? oom_unkillable_task+0x294/0x390 [ 1034.567615] ? lock_downgrade+0x740/0x740 [ 1034.571939] out_of_memory+0x2ee/0x1180 [ 1034.576895] ? lock_acquire+0x16f/0x430 [ 1034.581224] ? oom_killer_disable+0x1d0/0x1d0 [ 1034.586840] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1034.593105] __alloc_pages_slowpath+0x2251/0x2930 [ 1034.599679] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1034.605177] ? warn_alloc+0xf0/0xf0 [ 1034.609364] ? __might_sleep+0x93/0xb0 [ 1034.613585] __alloc_pages_nodemask+0x62c/0x7a0 [ 1034.618614] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1034.623728] ? lock_downgrade+0x740/0x740 [ 1034.628030] alloc_pages_current+0xec/0x1e0 [ 1034.632449] __page_cache_alloc+0x248/0x3e0 [ 1034.637046] filemap_fault+0xcef/0x1de0 [ 1034.641152] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1034.646703] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1034.651689] ? lock_acquire+0x16f/0x430 [ 1034.655844] ? ext4_filemap_fault+0x7b/0xb0 [ 1034.660914] ext4_filemap_fault+0x83/0xb0 [ 1034.666432] __do_fault+0x104/0x390 [ 1034.670160] __handle_mm_fault+0x23bd/0x33d0 [ 1034.674826] ? copy_page_range+0x1de0/0x1de0 [ 1034.679759] ? find_held_lock+0x35/0x130 [ 1034.684885] ? handle_mm_fault+0x1b6/0x7c0 [ 1034.690041] handle_mm_fault+0x293/0x7c0 [ 1034.694761] __do_page_fault+0x4c1/0xb80 [ 1034.699265] ? vmalloc_fault+0xe30/0xe30 [ 1034.703599] ? page_fault+0x2f/0x50 [ 1034.708961] do_page_fault+0x71/0x511 [ 1034.713651] ? page_fault+0x2f/0x50 [ 1034.718653] page_fault+0x45/0x50 [ 1034.724367] RIP: 0033:0x404d65 [ 1034.728079] RSP: 002b:00007ffe66c41fe0 EFLAGS: 00010217 [ 1034.734581] RAX: 0000000000000000 RBX: 00007ffe66c42180 RCX: 00007f5439136dd3 [ 1034.745112] RDX: 0000000000000000 RSI: 00007ffe66c42330 RDI: 000000000000000b [ 1034.754096] RBP: 00007ffe66c42330 R08: 00007ffe66c423b0 R09: 0000000000000001 [ 1034.763499] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 1034.770916] R13: 00007ffe66c42710 R14: 0000000000000000 R15: 0000000000000000 [ 1034.790967] Mem-Info: [ 1034.793438] active_anon:178581 inactive_anon:483 isolated_anon:0 [ 1034.793438] active_file:253 inactive_file:195 isolated_file:0 [ 1034.793438] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1034.793438] slab_reclaimable:14680 slab_unreclaimable:119314 [ 1034.793438] mapped:52290 shmem:537 pagetables:6093 bounce:0 [ 1034.793438] free:13710 free_pcp:195 free_cma:0 [ 1034.835512] Node 0 active_anon:641304kB inactive_anon:1924kB active_file:988kB inactive_file:748kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1034.864395] Node 1 active_anon:73020kB inactive_anon:8kB active_file:8kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1034.893763] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:28kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1034.920657] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1034.926032] Node 0 DMA32 free:18884kB min:36380kB low:45472kB high:54564kB active_anon:639208kB inactive_anon:1924kB active_file:904kB inactive_file:764kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10784kB pagetables:22444kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1034.957250] lowmem_reserve[]: 0 0 0 0 0 [ 1034.961367] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1034.987282] lowmem_reserve[]: 0 0 0 0 0 [ 1034.991520] Node 1 Normal free:26360kB min:53508kB low:66884kB high:80260kB active_anon:73020kB inactive_anon:8kB active_file:8kB inactive_file:28kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1035.020182] lowmem_reserve[]: 0 0 0 0 0 [ 1035.024200] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1035.041507] Node 0 DMA32: 1894*4kB (MEH) 1065*8kB (UMEH) 93*16kB (UMH) 7*32kB (H) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18192kB [ 1035.064744] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1035.076020] Node 1 Normal: 376*4kB (UME) 185*8kB (ME) 155*16kB (M) 185*32kB (ME) 104*64kB (M) 37*128kB (UM) 10*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26360kB [ 1035.092105] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1035.101192] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1035.110172] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1035.119334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1035.128812] 966 total pagecache pages [ 1035.133000] 0 pages in swap cache [ 1035.136645] Swap cache stats: add 0, delete 0, find 0/0 [ 1035.142069] Free swap = 0kB [ 1035.145104] Total swap = 0kB [ 1035.148213] 1965979 pages RAM [ 1035.151587] 0 pages HighMem/MovableOnly [ 1035.155568] 335869 pages reserved [ 1035.159014] 0 pages cma reserved [ 1035.162526] Out of memory: Kill process 25221 (syz-executor.5) score 1005 or sacrifice child [ 1035.171500] Killed process 25221 (syz-executor.5) total-vm:72988kB, anon-rss:2532kB, file-rss:34816kB, shmem-rss:0kB [ 1035.232463] oom_reaper: reaped process 25221 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1035.255063] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1035.268062] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1035.273005] CPU: 1 PID: 7252 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1035.280463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1035.290122] Call Trace: [ 1035.292874] dump_stack+0x142/0x197 [ 1035.296550] dump_header+0x177/0x6cd [ 1035.300272] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1035.305499] ? ___ratelimit+0x55/0x537 [ 1035.309391] oom_kill_process.cold+0x10/0xadd [ 1035.313879] ? oom_unkillable_task+0x294/0x390 [ 1035.318600] ? lock_downgrade+0x740/0x740 [ 1035.322744] out_of_memory+0x2ee/0x1180 [ 1035.326713] ? lock_acquire+0x16f/0x430 [ 1035.330860] ? oom_killer_disable+0x1d0/0x1d0 [ 1035.335489] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1035.340412] __alloc_pages_slowpath+0x2251/0x2930 [ 1035.345266] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1035.351270] ? warn_alloc+0xf0/0xf0 [ 1035.354937] ? __might_sleep+0x93/0xb0 [ 1035.358938] __alloc_pages_nodemask+0x62c/0x7a0 [ 1035.363786] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1035.368822] ? lock_downgrade+0x740/0x740 [ 1035.372975] alloc_pages_current+0xec/0x1e0 [ 1035.377310] __page_cache_alloc+0x248/0x3e0 [ 1035.381630] filemap_fault+0xcef/0x1de0 [ 1035.385648] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1035.390763] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1035.395554] ? lock_acquire+0x16f/0x430 [ 1035.399641] ? ext4_filemap_fault+0x7b/0xb0 [ 1035.404025] ext4_filemap_fault+0x83/0xb0 [ 1035.408171] __do_fault+0x104/0x390 [ 1035.412229] __handle_mm_fault+0x23bd/0x33d0 [ 1035.416835] ? copy_page_range+0x1de0/0x1de0 [ 1035.421318] ? find_held_lock+0x35/0x130 [ 1035.425440] ? handle_mm_fault+0x1b6/0x7c0 [ 1035.429748] handle_mm_fault+0x293/0x7c0 [ 1035.434280] __do_page_fault+0x4c1/0xb80 [ 1035.438443] ? vmalloc_fault+0xe30/0xe30 [ 1035.442531] ? page_fault+0x2f/0x50 [ 1035.446325] do_page_fault+0x71/0x511 [ 1035.450154] ? page_fault+0x2f/0x50 [ 1035.454228] page_fault+0x45/0x50 [ 1035.457824] RIP: 0033:0x410382 [ 1035.461092] RSP: 002b:000000c436c09a10 EFLAGS: 00010283 [ 1035.466663] RAX: 00007fb6aba1d6c8 RBX: 0000000000000000 RCX: 000000c420000180 [ 1035.474050] RDX: 000000c42013a800 RSI: 0000000000000030 RDI: 0000000000884100 [ 1035.481788] RBP: 000000c436c09aa0 R08: 0000000000000000 R09: 0000000000000006 [ 1035.489168] R10: 0000000000c6cd80 R11: 0000000000000000 R12: 0000000000000000 [ 1035.496520] R13: 000000c436c09bf8 R14: 000000c436c09bf8 R15: 0000000000000000 [ 1035.506374] Mem-Info: [ 1035.508813] active_anon:177956 inactive_anon:483 isolated_anon:0 [ 1035.508813] active_file:242 inactive_file:190 isolated_file:32 [ 1035.508813] unevictable:3 dirty:393 writeback:4 unstable:0 [ 1035.508813] slab_reclaimable:14680 slab_unreclaimable:119302 [ 1035.508813] mapped:52290 shmem:537 pagetables:6056 bounce:0 [ 1035.508813] free:14370 free_pcp:39 free_cma:0 [ 1035.542756] Node 0 active_anon:638804kB inactive_anon:1924kB active_file:828kB inactive_file:892kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1540kB writeback:16kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1035.571939] Node 1 active_anon:73020kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1035.598947] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:40kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1035.625929] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1035.639244] Node 0 DMA32 free:18112kB min:36380kB low:45472kB high:54564kB active_anon:636708kB inactive_anon:1924kB active_file:748kB inactive_file:864kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10784kB pagetables:22296kB bounce:0kB free_pcp:116kB local_pcp:112kB free_cma:0kB [ 1035.678958] lowmem_reserve[]: 0 0 0 0 0 [ 1035.684855] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1035.716516] lowmem_reserve[]: 0 0 0 0 0 [ 1035.721958] Node 1 Normal free:26360kB min:53508kB low:66884kB high:80260kB active_anon:73020kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1035.755854] lowmem_reserve[]: 0 0 0 0 0 [ 1035.759892] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1035.779668] Node 0 DMA32: 1893*4kB (UMEH) 1050*8kB (UMEH) 94*16kB (UMH) 8*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18116kB [ 1035.794631] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1035.805448] Node 1 Normal: 376*4kB (UME) 185*8kB (ME) 155*16kB (M) 185*32kB (ME) 104*64kB (M) 37*128kB (UM) 10*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26360kB [ 1035.821342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1035.830254] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1035.839172] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1035.848269] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1035.857116] 963 total pagecache pages [ 1035.860995] 0 pages in swap cache [ 1035.864570] Swap cache stats: add 0, delete 0, find 0/0 [ 1035.869945] Free swap = 0kB [ 1035.873269] Total swap = 0kB [ 1035.876389] 1965979 pages RAM [ 1035.879717] 0 pages HighMem/MovableOnly [ 1035.883763] 335869 pages reserved [ 1035.887227] 0 pages cma reserved [ 1035.891323] Out of memory: Kill process 27215 (syz-executor.3) score 1005 or sacrifice child [ 1035.899960] Killed process 27215 (syz-executor.3) total-vm:72984kB, anon-rss:2440kB, file-rss:34816kB, shmem-rss:0kB [ 1035.953945] oom_reaper: reaped process 27215 (syz-executor.3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1035.978302] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1035.998864] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1036.003730] CPU: 0 PID: 7252 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1036.011763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1036.021131] Call Trace: [ 1036.023737] dump_stack+0x142/0x197 [ 1036.027428] dump_header+0x177/0x6cd [ 1036.031629] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1036.036751] ? ___ratelimit+0x55/0x537 [ 1036.040659] oom_kill_process.cold+0x10/0xadd [ 1036.045191] ? rcu_read_unlock_special+0x639/0xd40 [ 1036.050436] ? lock_downgrade+0x740/0x740 [ 1036.055111] out_of_memory+0x2ee/0x1180 [ 1036.059275] ? lock_acquire+0x16f/0x430 [ 1036.063275] ? oom_killer_disable+0x1d0/0x1d0 [ 1036.067782] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1036.072901] __alloc_pages_slowpath+0x2251/0x2930 [ 1036.077807] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1036.082673] ? warn_alloc+0xf0/0xf0 [ 1036.086317] ? __might_sleep+0x93/0xb0 [ 1036.090209] __alloc_pages_nodemask+0x62c/0x7a0 [ 1036.095108] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1036.100399] ? lock_downgrade+0x740/0x740 [ 1036.104677] alloc_pages_current+0xec/0x1e0 [ 1036.109319] __page_cache_alloc+0x248/0x3e0 [ 1036.113929] filemap_fault+0xcef/0x1de0 [ 1036.118076] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1036.123144] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1036.128010] ? lock_acquire+0x16f/0x430 [ 1036.132141] ? ext4_filemap_fault+0x7b/0xb0 [ 1036.136476] ext4_filemap_fault+0x83/0xb0 [ 1036.140747] __do_fault+0x104/0x390 [ 1036.144517] __handle_mm_fault+0x23bd/0x33d0 [ 1036.148929] ? copy_page_range+0x1de0/0x1de0 [ 1036.153511] ? find_held_lock+0x35/0x130 [ 1036.157588] ? handle_mm_fault+0x1b6/0x7c0 [ 1036.162080] handle_mm_fault+0x293/0x7c0 [ 1036.166144] __do_page_fault+0x4c1/0xb80 [ 1036.170209] ? vmalloc_fault+0xe30/0xe30 [ 1036.174407] ? page_fault+0x2f/0x50 [ 1036.178200] do_page_fault+0x71/0x511 [ 1036.182005] ? page_fault+0x2f/0x50 [ 1036.185641] page_fault+0x45/0x50 [ 1036.189102] RIP: 0033:0x410382 [ 1036.192297] RSP: 002b:000000c436c09a10 EFLAGS: 00010283 [ 1036.197667] RAX: 00007fb6aba1d6c8 RBX: 0000000000000000 RCX: 000000c420000180 [ 1036.204939] RDX: 000000c42013a800 RSI: 0000000000000030 RDI: 0000000000884100 [ 1036.212379] RBP: 000000c436c09aa0 R08: 0000000000000000 R09: 0000000000000006 [ 1036.219656] R10: 0000000000c6cd80 R11: 0000000000000000 R12: 0000000000000000 [ 1036.226928] R13: 000000c436c09bf8 R14: 000000c436c09bf8 R15: 0000000000000000 [ 1036.264072] Mem-Info: [ 1036.266543] active_anon:177355 inactive_anon:483 isolated_anon:0 [ 1036.266543] active_file:216 inactive_file:209 isolated_file:0 [ 1036.266543] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1036.266543] slab_reclaimable:14680 slab_unreclaimable:119310 [ 1036.266543] mapped:52290 shmem:537 pagetables:6007 bounce:0 [ 1036.266543] free:13681 free_pcp:59 free_cma:0 [ 1036.302579] Node 0 active_anon:636400kB inactive_anon:1924kB active_file:960kB inactive_file:728kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1036.331639] Node 1 active_anon:73020kB inactive_anon:8kB active_file:4kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1036.359295] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:44kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1036.389792] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1036.395034] Node 0 DMA32 free:18176kB min:36380kB low:45472kB high:54564kB active_anon:634304kB inactive_anon:1924kB active_file:920kB inactive_file:780kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10784kB pagetables:22100kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1036.425407] lowmem_reserve[]: 0 0 0 0 0 [ 1036.429433] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1036.455918] lowmem_reserve[]: 0 0 0 0 0 [ 1036.460134] Node 1 Normal free:26392kB min:53508kB low:66884kB high:80260kB active_anon:73020kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1036.492788] lowmem_reserve[]: 0 0 0 0 0 [ 1036.496829] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1036.525321] Node 0 DMA32: 1907*4kB (UMEH) 1066*8kB (UMEH) 89*16kB (UMH) 8*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18220kB [ 1036.539973] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1036.553931] Node 1 Normal: 376*4kB (UME) 185*8kB (ME) 155*16kB (M) 186*32kB (UME) 104*64kB (M) 37*128kB (UM) 10*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26392kB [ 1036.573962] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1036.583040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1036.591711] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1036.600717] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1036.609554] 970 total pagecache pages [ 1036.616814] 0 pages in swap cache [ 1036.620340] Swap cache stats: add 0, delete 0, find 0/0 [ 1036.625843] Free swap = 0kB [ 1036.628896] Total swap = 0kB [ 1036.636157] 1965979 pages RAM [ 1036.639633] 0 pages HighMem/MovableOnly [ 1036.648874] 335869 pages reserved [ 1036.653229] 0 pages cma reserved [ 1036.657019] Out of memory: Kill process 25193 (syz-executor.5) score 1005 or sacrifice child [ 1036.665721] Killed process 25193 (syz-executor.5) total-vm:72988kB, anon-rss:2388kB, file-rss:34816kB, shmem-rss:0kB [ 1036.721118] oom_reaper: reaped process 25193 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1036.738247] syz-executor.0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1036.756716] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1036.768557] CPU: 0 PID: 11876 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1036.776773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1036.786138] Call Trace: [ 1036.788764] dump_stack+0x142/0x197 [ 1036.792655] dump_header+0x177/0x6cd [ 1036.796521] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1036.801895] ? ___ratelimit+0x55/0x537 [ 1036.805796] oom_kill_process.cold+0x10/0xadd [ 1036.810477] ? oom_unkillable_task+0x294/0x390 [ 1036.815099] ? lock_downgrade+0x740/0x740 [ 1036.819399] out_of_memory+0x2ee/0x1180 [ 1036.823503] ? lock_acquire+0x16f/0x430 [ 1036.827497] ? oom_killer_disable+0x1d0/0x1d0 [ 1036.832117] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1036.837210] __alloc_pages_slowpath+0x2251/0x2930 [ 1036.842096] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1036.847083] ? warn_alloc+0xf0/0xf0 [ 1036.850719] ? __might_sleep+0x93/0xb0 [ 1036.854687] __alloc_pages_nodemask+0x62c/0x7a0 [ 1036.859487] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1036.864635] ? lock_downgrade+0x740/0x740 [ 1036.868812] alloc_pages_current+0xec/0x1e0 [ 1036.873152] __page_cache_alloc+0x248/0x3e0 [ 1036.877819] filemap_fault+0xcef/0x1de0 [ 1036.881982] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1036.887061] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1036.891741] ? lock_acquire+0x16f/0x430 [ 1036.895788] ? ext4_filemap_fault+0x7b/0xb0 [ 1036.900119] ext4_filemap_fault+0x83/0xb0 [ 1036.904409] __do_fault+0x104/0x390 [ 1036.908048] __handle_mm_fault+0x23bd/0x33d0 [ 1036.912498] ? copy_page_range+0x1de0/0x1de0 [ 1036.917022] ? find_held_lock+0x35/0x130 [ 1036.921082] ? handle_mm_fault+0x1b6/0x7c0 [ 1036.925353] handle_mm_fault+0x293/0x7c0 [ 1036.929594] __do_page_fault+0x4c1/0xb80 [ 1036.933671] ? vmalloc_fault+0xe30/0xe30 [ 1036.937752] ? page_fault+0x2f/0x50 [ 1036.941393] do_page_fault+0x71/0x511 [ 1036.945201] ? page_fault+0x2f/0x50 [ 1036.948826] page_fault+0x45/0x50 [ 1036.952295] RIP: 0033:0x40f162 [ 1036.955590] RSP: 002b:00007ffd56835da0 EFLAGS: 00010203 [ 1036.960958] RAX: 0000000000000aa4 RBX: 0000000000d18940 RCX: 000000000041518a [ 1036.968231] RDX: 0000000040000000 RSI: 00007ffd56835dd0 RDI: ffffffffffffffff [ 1036.975493] RBP: 0000000000000b79 R08: 0000000000000001 R09: 0000000000000001 [ 1036.982763] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 1036.990076] R13: 00007ffd56835dd0 R14: 0000000000d1899b R15: 00007ffd56835de0 [ 1037.000976] Mem-Info: [ 1037.003624] active_anon:176766 inactive_anon:483 isolated_anon:0 [ 1037.003624] active_file:210 inactive_file:203 isolated_file:32 [ 1037.003624] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1037.003624] slab_reclaimable:14680 slab_unreclaimable:119316 [ 1037.003624] mapped:52290 shmem:537 pagetables:6007 bounce:0 [ 1037.003624] free:13707 free_pcp:29 free_cma:0 [ 1037.038959] Node 0 active_anon:634044kB inactive_anon:1924kB active_file:880kB inactive_file:824kB unevictable:12kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1037.067923] Node 1 active_anon:73020kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1037.094713] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:2096kB inactive_anon:0kB active_file:20kB inactive_file:40kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1037.126791] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1037.131901] Node 0 DMA32 free:18104kB min:36380kB low:45472kB high:54564kB active_anon:631948kB inactive_anon:1924kB active_file:824kB inactive_file:808kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10784kB pagetables:22100kB bounce:0kB free_pcp:88kB local_pcp:4kB free_cma:0kB [ 1037.168397] lowmem_reserve[]: 0 0 0 0 0 [ 1037.175772] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1037.205893] lowmem_reserve[]: 0 0 0 0 0 [ 1037.209926] Node 1 Normal free:26392kB min:53508kB low:66884kB high:80260kB active_anon:73020kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1037.238733] lowmem_reserve[]: 0 0 0 0 0 [ 1037.248564] Node 0 DMA: 18*4kB (UM) 16*8kB (M) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1037.269353] Node 0 DMA32: 1935*4kB (UMEH) 1059*8kB (UMEH) 86*16kB (UMH) 8*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18228kB [ 1037.290651] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1037.301946] Node 1 Normal: 376*4kB (UME) 185*8kB (ME) 155*16kB (M) 186*32kB (UME) 104*64kB (M) 37*128kB (UM) 10*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26392kB [ 1037.318070] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1037.327429] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1037.336066] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1037.345456] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1037.354155] 969 total pagecache pages [ 1037.358129] 0 pages in swap cache [ 1037.361972] Swap cache stats: add 0, delete 0, find 0/0 [ 1037.367578] Free swap = 0kB [ 1037.370830] Total swap = 0kB [ 1037.374547] 1965979 pages RAM [ 1037.377661] 0 pages HighMem/MovableOnly [ 1037.385754] 335869 pages reserved [ 1037.389502] 0 pages cma reserved [ 1037.393649] Out of memory: Kill process 19375 (syz-executor.4) score 1005 or sacrifice child [ 1037.403512] Killed process 19375 (syz-executor.4) total-vm:72720kB, anon-rss:2220kB, file-rss:34816kB, shmem-rss:0kB [ 1037.439570] oom_reaper: reaped process 19375 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1037.603215] udevd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 1037.616630] udevd cpuset=/ mems_allowed=0-1 [ 1037.622041] CPU: 0 PID: 3719 Comm: udevd Not tainted 4.14.167-syzkaller #0 [ 1037.629133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1037.638611] Call Trace: [ 1037.641352] dump_stack+0x142/0x197 [ 1037.645189] dump_header+0x177/0x6cd [ 1037.649152] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1037.654502] ? ___ratelimit+0x55/0x537 [ 1037.658498] oom_kill_process.cold+0x10/0xadd [ 1037.663361] ? oom_unkillable_task+0x294/0x390 [ 1037.668119] ? lock_downgrade+0x740/0x740 [ 1037.672689] out_of_memory+0x2ee/0x1180 [ 1037.676666] ? lock_acquire+0x16f/0x430 [ 1037.680690] ? oom_killer_disable+0x1d0/0x1d0 [ 1037.685193] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1037.690208] __alloc_pages_slowpath+0x2251/0x2930 [ 1037.695142] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1037.699997] ? warn_alloc+0xf0/0xf0 [ 1037.703768] ? __might_sleep+0x93/0xb0 [ 1037.707708] __alloc_pages_nodemask+0x62c/0x7a0 [ 1037.712511] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1037.717687] ? lock_downgrade+0x740/0x740 [ 1037.721882] alloc_pages_current+0xec/0x1e0 [ 1037.726202] __page_cache_alloc+0x248/0x3e0 [ 1037.730724] filemap_fault+0xcef/0x1de0 [ 1037.734696] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1037.739623] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1037.744528] ? lock_acquire+0x16f/0x430 [ 1037.748497] ? ext4_filemap_fault+0x7b/0xb0 [ 1037.753004] ext4_filemap_fault+0x83/0xb0 [ 1037.757150] __do_fault+0x104/0x390 [ 1037.761033] __handle_mm_fault+0x23bd/0x33d0 [ 1037.765956] ? copy_page_range+0x1de0/0x1de0 [ 1037.770834] ? find_held_lock+0x35/0x130 [ 1037.774908] ? handle_mm_fault+0x1b6/0x7c0 [ 1037.779144] handle_mm_fault+0x293/0x7c0 [ 1037.783323] __do_page_fault+0x4c1/0xb80 [ 1037.787379] ? vmalloc_fault+0xe30/0xe30 [ 1037.791732] ? page_fault+0x2f/0x50 [ 1037.795487] do_page_fault+0x71/0x511 [ 1037.799461] ? page_fault+0x2f/0x50 [ 1037.803272] page_fault+0x45/0x50 [ 1037.806844] RIP: 0033:0x7efdc30dd943 [ 1037.810868] RSP: 002b:00007fffcf6d44d8 EFLAGS: 00010246 [ 1037.816466] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 00007efdc30dd943 [ 1037.823733] RDX: 0000000000000008 RSI: 00007fffcf6d45d0 RDI: 000000000000000a [ 1037.831290] RBP: 0000000001cb9a60 R08: 0000000000000000 R09: 0000000000000000 [ 1037.838553] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 1037.846114] R13: 0000000000000000 R14: 0000000001cc8b90 R15: 0000000001caa030 [ 1037.859628] Mem-Info: [ 1037.862571] active_anon:176222 inactive_anon:483 isolated_anon:0 [ 1037.862571] active_file:201 inactive_file:190 isolated_file:32 [ 1037.862571] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1037.862571] slab_reclaimable:14680 slab_unreclaimable:118509 [ 1037.862571] mapped:52290 shmem:537 pagetables:5945 bounce:0 [ 1037.862571] free:14223 free_pcp:53 free_cma:0 [ 1037.897150] Node 0 active_anon:631868kB inactive_anon:1924kB active_file:904kB inactive_file:776kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1037.926021] Node 1 active_anon:73020kB inactive_anon:8kB active_file:28kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1037.953033] Node 0 DMA free:10380kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1037.995705] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1038.001011] Node 0 DMA32 free:18128kB min:36380kB low:45472kB high:54564kB active_anon:631820kB inactive_anon:1924kB active_file:732kB inactive_file:764kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10752kB pagetables:21852kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1038.031703] lowmem_reserve[]: 0 0 0 0 0 [ 1038.035824] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1038.061417] lowmem_reserve[]: 0 0 0 0 0 [ 1038.065480] Node 1 Normal free:26644kB min:53508kB low:66884kB high:80260kB active_anon:73020kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1038.094708] lowmem_reserve[]: 0 0 0 0 0 [ 1038.098726] Node 0 DMA: 1*4kB (M) 13*8kB (M) 10*16kB (UM) 16*32kB (UMH) 10*64kB (UMH) 2*128kB (MH) 4*256kB (UMH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10380kB [ 1038.114536] Node 0 DMA32: 1965*4kB (UMEH) 1029*8kB (UMEH) 86*16kB (MH) 9*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18140kB [ 1038.131966] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1038.143318] Node 1 Normal: 375*4kB (ME) 186*8kB (UME) 156*16kB (UM) 185*32kB (ME) 104*64kB (M) 36*128kB (M) 8*256kB (UM) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26764kB [ 1038.159297] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1038.168337] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1038.177232] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1038.186403] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1038.195088] 956 total pagecache pages [ 1038.199337] 0 pages in swap cache [ 1038.202879] Swap cache stats: add 0, delete 0, find 0/0 [ 1038.208268] Free swap = 0kB [ 1038.211355] Total swap = 0kB [ 1038.214394] 1965979 pages RAM [ 1038.217706] 0 pages HighMem/MovableOnly [ 1038.221738] 335869 pages reserved [ 1038.225189] 0 pages cma reserved [ 1038.228681] Out of memory: Kill process 13092 (syz-executor.0) score 1005 or sacrifice child [ 1038.237344] Killed process 13092 (syz-executor.0) total-vm:72984kB, anon-rss:2232kB, file-rss:34816kB, shmem-rss:0kB [ 1038.389983] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1038.403833] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1038.408643] CPU: 0 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1038.416108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1038.425860] Call Trace: [ 1038.428452] dump_stack+0x142/0x197 [ 1038.432088] dump_header+0x177/0x6cd [ 1038.435826] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1038.440931] ? ___ratelimit+0x55/0x537 [ 1038.445070] oom_kill_process.cold+0x10/0xadd [ 1038.449570] ? oom_unkillable_task+0x294/0x390 [ 1038.454171] ? lock_downgrade+0x740/0x740 [ 1038.458457] out_of_memory+0x2ee/0x1180 [ 1038.462602] ? lock_acquire+0x16f/0x430 [ 1038.466575] ? oom_killer_disable+0x1d0/0x1d0 [ 1038.471069] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1038.476215] __alloc_pages_slowpath+0x2251/0x2930 [ 1038.481203] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1038.486290] ? warn_alloc+0xf0/0xf0 [ 1038.489916] ? __might_sleep+0x93/0xb0 [ 1038.493797] __alloc_pages_nodemask+0x62c/0x7a0 [ 1038.498474] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1038.503588] ? lock_downgrade+0x740/0x740 [ 1038.507753] alloc_pages_current+0xec/0x1e0 [ 1038.512073] __page_cache_alloc+0x248/0x3e0 [ 1038.516408] filemap_fault+0xcef/0x1de0 [ 1038.520626] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1038.525550] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1038.530217] ? lock_acquire+0x16f/0x430 [ 1038.534539] ? ext4_filemap_fault+0x7b/0xb0 [ 1038.538859] ext4_filemap_fault+0x83/0xb0 [ 1038.543032] __do_fault+0x104/0x390 [ 1038.546653] __handle_mm_fault+0x23bd/0x33d0 [ 1038.551060] ? copy_page_range+0x1de0/0x1de0 [ 1038.555775] ? find_held_lock+0x35/0x130 [ 1038.559823] ? handle_mm_fault+0x1b6/0x7c0 [ 1038.564053] handle_mm_fault+0x293/0x7c0 [ 1038.568346] __do_page_fault+0x4c1/0xb80 [ 1038.572526] ? vmalloc_fault+0xe30/0xe30 [ 1038.576589] ? page_fault+0x2f/0x50 [ 1038.580494] do_page_fault+0x71/0x511 [ 1038.584321] ? page_fault+0x2f/0x50 [ 1038.587937] page_fault+0x45/0x50 [ 1038.591442] RIP: 0033:0x4284f0 [ 1038.594620] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1038.599969] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1038.607230] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1038.614604] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1038.621864] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1038.629333] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1038.638925] Mem-Info: [ 1038.658055] active_anon:175674 inactive_anon:483 isolated_anon:0 [ 1038.658055] active_file:215 inactive_file:198 isolated_file:0 [ 1038.658055] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1038.658055] slab_reclaimable:14680 slab_unreclaimable:118518 [ 1038.658055] mapped:52290 shmem:537 pagetables:5919 bounce:0 [ 1038.658055] free:13790 free_pcp:58 free_cma:0 [ 1038.691608] Node 0 active_anon:629676kB inactive_anon:1924kB active_file:844kB inactive_file:804kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1038.719822] Node 1 active_anon:73020kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1038.746210] Node 0 DMA free:10372kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:32kB inactive_file:68kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1038.782606] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1038.787698] Node 0 DMA32 free:18036kB min:36380kB low:45472kB high:54564kB active_anon:629628kB inactive_anon:1924kB active_file:916kB inactive_file:712kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10720kB pagetables:21748kB bounce:0kB free_pcp:232kB local_pcp:120kB free_cma:0kB [ 1038.821189] lowmem_reserve[]: 0 0 0 0 0 [ 1038.825212] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1038.852203] lowmem_reserve[]: 0 0 0 0 0 [ 1038.856215] Node 1 Normal free:26756kB min:53508kB low:66884kB high:80260kB active_anon:73020kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1038.886738] lowmem_reserve[]: 0 0 0 0 0 [ 1038.895683] Node 0 DMA: 17*4kB (M) 16*8kB (UM) 12*16kB (UM) 16*32kB (UMH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10372kB [ 1038.918677] Node 0 DMA32: 1966*4kB (MEH) 1023*8kB (UMEH) 87*16kB (UMH) 8*32kB (UH) 5*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18144kB [ 1038.939964] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1038.954511] Node 1 Normal: 375*4kB (ME) 185*8kB (ME) 156*16kB (UM) 185*32kB (ME) 104*64kB (M) 36*128kB (M) 8*256kB (UM) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26756kB [ 1038.979475] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1038.988448] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1038.997076] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1039.005960] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1039.014593] 965 total pagecache pages [ 1039.018398] 0 pages in swap cache [ 1039.021918] Swap cache stats: add 0, delete 0, find 0/0 [ 1039.027283] Free swap = 0kB [ 1039.030373] Total swap = 0kB [ 1039.033401] 1965979 pages RAM [ 1039.036506] 0 pages HighMem/MovableOnly [ 1039.041199] 335869 pages reserved [ 1039.044670] 0 pages cma reserved [ 1039.048039] Out of memory: Kill process 13140 (syz-executor.5) score 1005 or sacrifice child [ 1039.057632] Killed process 13140 (syz-executor.5) total-vm:72984kB, anon-rss:2232kB, file-rss:34816kB, shmem-rss:0kB [ 1039.115751] oom_reaper: reaped process 13140 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1039.130136] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1039.155667] rsyslogd cpuset=/ mems_allowed=0-1 [ 1039.163437] CPU: 0 PID: 7104 Comm: rsyslogd Not tainted 4.14.167-syzkaller #0 [ 1039.170723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1039.180076] Call Trace: [ 1039.182702] dump_stack+0x142/0x197 [ 1039.186425] dump_header+0x177/0x6cd [ 1039.190140] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1039.198188] ? ___ratelimit+0x55/0x537 [ 1039.202117] oom_kill_process.cold+0x10/0xadd [ 1039.206606] ? oom_unkillable_task+0x294/0x390 [ 1039.214301] ? lock_downgrade+0x740/0x740 [ 1039.218459] out_of_memory+0x2ee/0x1180 [ 1039.222428] ? lock_acquire+0x16f/0x430 [ 1039.226521] ? oom_killer_disable+0x1d0/0x1d0 [ 1039.231012] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1039.235979] __alloc_pages_slowpath+0x2251/0x2930 [ 1039.240834] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1039.245675] ? warn_alloc+0xf0/0xf0 [ 1039.249558] ? __might_sleep+0x93/0xb0 [ 1039.253571] __alloc_pages_nodemask+0x62c/0x7a0 [ 1039.258715] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1039.263732] ? lock_downgrade+0x740/0x740 [ 1039.267884] alloc_pages_current+0xec/0x1e0 [ 1039.272202] __page_cache_alloc+0x248/0x3e0 [ 1039.276513] filemap_fault+0xcef/0x1de0 [ 1039.280477] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1039.285405] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1039.290079] ? lock_acquire+0x16f/0x430 [ 1039.294055] ? ext4_filemap_fault+0x7b/0xb0 [ 1039.298372] ext4_filemap_fault+0x83/0xb0 [ 1039.302506] __do_fault+0x104/0x390 [ 1039.306129] __handle_mm_fault+0x23bd/0x33d0 [ 1039.310531] ? copy_page_range+0x1de0/0x1de0 [ 1039.314930] ? find_held_lock+0x35/0x130 [ 1039.318976] ? handle_mm_fault+0x1b6/0x7c0 [ 1039.323211] handle_mm_fault+0x293/0x7c0 [ 1039.327255] __do_page_fault+0x4c1/0xb80 [ 1039.331301] ? vmalloc_fault+0xe30/0xe30 [ 1039.335358] ? page_fault+0x2f/0x50 [ 1039.338979] do_page_fault+0x71/0x511 [ 1039.342776] ? page_fault+0x2f/0x50 [ 1039.346394] page_fault+0x45/0x50 [ 1039.349828] RIP: 0033:0x7f3214100209 [ 1039.353525] RSP: 002b:00007f321169fe30 EFLAGS: 00010297 [ 1039.358881] RAX: 0000000000000000 RBX: 0000000001dce670 RCX: 00007f32141001fd [ 1039.366142] RDX: 0000000000000b34 RSI: 00007f3212ed45a0 RDI: 0000000000000000 [ 1039.373413] RBP: 0000000000000000 R08: 0000000001db9260 R09: 0000000000000000 [ 1039.380670] R10: 6b36313834333a73 R11: 0000000000000000 R12: 000000000065e420 [ 1039.388034] R13: 00007f32116a09c0 R14: 00007f3214745040 R15: 0000000000000003 [ 1039.402484] Mem-Info: [ 1039.405026] active_anon:175125 inactive_anon:483 isolated_anon:0 [ 1039.405026] active_file:242 inactive_file:200 isolated_file:0 [ 1039.405026] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1039.405026] slab_reclaimable:14680 slab_unreclaimable:118502 [ 1039.405026] mapped:52290 shmem:537 pagetables:5893 bounce:0 [ 1039.405026] free:13804 free_pcp:60 free_cma:0 [ 1039.438753] Node 0 active_anon:627480kB inactive_anon:1924kB active_file:936kB inactive_file:780kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1039.478500] Node 1 active_anon:73020kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1039.512166] Node 0 DMA free:10372kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:44kB inactive_file:40kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1039.543329] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1039.548401] Node 0 DMA32 free:18036kB min:36380kB low:45472kB high:54564kB active_anon:627432kB inactive_anon:1924kB active_file:784kB inactive_file:692kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10688kB pagetables:21644kB bounce:0kB free_pcp:204kB local_pcp:120kB free_cma:0kB [ 1039.578194] lowmem_reserve[]: 0 0 0 0 0 [ 1039.582243] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1039.608723] lowmem_reserve[]: 0 0 0 0 0 [ 1039.613460] Node 1 Normal free:26664kB min:53508kB low:66884kB high:80260kB active_anon:73020kB inactive_anon:8kB active_file:8kB inactive_file:28kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1039.642661] lowmem_reserve[]: 0 0 0 0 0 [ 1039.646833] Node 0 DMA: 17*4kB (M) 16*8kB (UM) 12*16kB (UM) 16*32kB (UMH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10372kB [ 1039.664071] Node 0 DMA32: 1991*4kB (UMEH) 1018*8kB (UMEH) 84*16kB (UMH) 8*32kB (UH) 5*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18156kB [ 1039.685800] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1039.696728] Node 1 Normal: 375*4kB (ME) 185*8kB (ME) 156*16kB (UM) 186*32kB (UME) 104*64kB (M) 37*128kB (UM) 7*256kB (M) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26660kB [ 1039.712448] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1039.721803] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1039.733642] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1039.742578] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1039.754160] 965 total pagecache pages [ 1039.758012] 0 pages in swap cache [ 1039.766954] Swap cache stats: add 0, delete 0, find 0/0 [ 1039.772431] Free swap = 0kB [ 1039.775442] Total swap = 0kB [ 1039.778511] 1965979 pages RAM [ 1039.785756] 0 pages HighMem/MovableOnly [ 1039.789744] 335869 pages reserved [ 1039.793264] 0 pages cma reserved [ 1039.796691] Out of memory: Kill process 14283 (syz-executor.5) score 1005 or sacrifice child [ 1039.805929] Killed process 14283 (syz-executor.5) total-vm:72984kB, anon-rss:2232kB, file-rss:34816kB, shmem-rss:0kB [ 1039.858008] oom_reaper: reaped process 14283 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1039.881143] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1039.893974] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1039.898901] CPU: 0 PID: 7248 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1039.906453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1039.915807] Call Trace: [ 1039.918394] dump_stack+0x142/0x197 [ 1039.922013] ? perf_trace_drv_tdls_recv_channel_switch+0x540/0xd90 [ 1039.928326] dump_header+0x177/0x6cd [ 1039.932024] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1039.937119] ? ___ratelimit+0x55/0x537 [ 1039.941068] oom_kill_process.cold+0x10/0xadd [ 1039.945558] ? oom_unkillable_task+0x294/0x390 [ 1039.950125] ? lock_downgrade+0x740/0x740 [ 1039.954280] out_of_memory+0x2ee/0x1180 [ 1039.958279] ? lock_acquire+0x16f/0x430 [ 1039.962252] ? oom_killer_disable+0x1d0/0x1d0 [ 1039.966730] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1039.971642] __alloc_pages_slowpath+0x2251/0x2930 [ 1039.976489] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1039.981368] ? warn_alloc+0xf0/0xf0 [ 1039.985024] ? __might_sleep+0x93/0xb0 [ 1039.988907] __alloc_pages_nodemask+0x62c/0x7a0 [ 1039.993560] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1039.998628] ? lock_downgrade+0x740/0x740 [ 1040.002766] alloc_pages_current+0xec/0x1e0 [ 1040.007070] __page_cache_alloc+0x248/0x3e0 [ 1040.011383] filemap_fault+0xcef/0x1de0 [ 1040.015349] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1040.020267] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1040.024916] ? lock_acquire+0x16f/0x430 [ 1040.028889] ? ext4_filemap_fault+0x7b/0xb0 [ 1040.033202] ext4_filemap_fault+0x83/0xb0 [ 1040.037344] __do_fault+0x104/0x390 [ 1040.040960] __handle_mm_fault+0x23bd/0x33d0 [ 1040.045360] ? copy_page_range+0x1de0/0x1de0 [ 1040.049816] ? find_held_lock+0x35/0x130 [ 1040.053882] ? handle_mm_fault+0x1b6/0x7c0 [ 1040.058118] handle_mm_fault+0x293/0x7c0 [ 1040.062167] __do_page_fault+0x4c1/0xb80 [ 1040.066230] ? vmalloc_fault+0xe30/0xe30 [ 1040.070280] ? page_fault+0x2f/0x50 [ 1040.073956] do_page_fault+0x71/0x511 [ 1040.077748] ? page_fault+0x2f/0x50 [ 1040.081423] page_fault+0x45/0x50 [ 1040.084861] RIP: 0033:0x40ec10 [ 1040.088039] RSP: 002b:000000c42004fee0 EFLAGS: 00010216 [ 1040.093389] RAX: 0000000001e2bbd8 RBX: 0000000000000006 RCX: 000000c420000480 [ 1040.100646] RDX: 0000000022964e6e RSI: 000000c42004ff10 RDI: 000000c42004feec [ 1040.107910] RBP: 000000c42004ff18 R08: 00007fffb93ee000 R09: 00000117240ba8b2 [ 1040.115195] R10: 00114b2737000000 R11: 0000000000000001 R12: 000000000042f0a0 [ 1040.122458] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 1040.134078] Mem-Info: [ 1040.136537] active_anon:174576 inactive_anon:483 isolated_anon:0 [ 1040.136537] active_file:229 inactive_file:209 isolated_file:0 [ 1040.136537] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1040.136537] slab_reclaimable:14680 slab_unreclaimable:118509 [ 1040.136537] mapped:52290 shmem:537 pagetables:5867 bounce:0 [ 1040.136537] free:14421 free_pcp:0 free_cma:0 [ 1040.169956] Node 0 active_anon:625284kB inactive_anon:1924kB active_file:916kB inactive_file:812kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1040.198287] Node 1 active_anon:73020kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1040.224632] Node 0 DMA free:10372kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:72kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1040.251643] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1040.256704] Node 0 DMA32 free:18188kB min:36380kB low:45472kB high:54564kB active_anon:625236kB inactive_anon:1924kB active_file:904kB inactive_file:696kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10688kB pagetables:21540kB bounce:0kB free_pcp:96kB local_pcp:0kB free_cma:0kB [ 1040.289044] lowmem_reserve[]: 0 0 0 0 0 [ 1040.308708] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1040.334351] lowmem_reserve[]: 0 0 0 0 0 [ 1040.338364] Node 1 Normal free:26652kB min:53508kB low:66884kB high:80260kB active_anon:73020kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1040.368550] lowmem_reserve[]: 0 0 0 0 0 [ 1040.372693] Node 0 DMA: 17*4kB (M) 16*8kB (UM) 12*16kB (UM) 16*32kB (UMH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10372kB [ 1040.388452] Node 0 DMA32: 2005*4kB (UMEH) 1017*8kB (MEH) 83*16kB (UMH) 8*32kB (UH) 5*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18188kB [ 1040.402994] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1040.413757] Node 1 Normal: 375*4kB (ME) 186*8kB (UME) 155*16kB (M) 186*32kB (UME) 104*64kB (M) 37*128kB (UM) 7*256kB (M) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 26652kB [ 1040.433659] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1040.442547] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1040.454917] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1040.463883] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1040.472527] 967 total pagecache pages [ 1040.476330] 0 pages in swap cache [ 1040.479773] Swap cache stats: add 0, delete 0, find 0/0 [ 1040.491840] Free swap = 0kB [ 1040.494887] Total swap = 0kB [ 1040.497909] 1965979 pages RAM [ 1040.501050] 0 pages HighMem/MovableOnly [ 1040.505029] 335869 pages reserved [ 1040.508475] 0 pages cma reserved [ 1040.511883] Out of memory: Kill process 4508 (syz-executor.0) score 1005 or sacrifice child [ 1040.520570] Killed process 4513 (syz-executor.0) total-vm:72852kB, anon-rss:2224kB, file-rss:34816kB, shmem-rss:0kB [ 1040.569119] oom_reaper: reaped process 4513 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1040.583893] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1040.596672] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1040.606710] CPU: 1 PID: 7252 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1040.614186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1040.623529] Call Trace: [ 1040.626140] dump_stack+0x142/0x197 [ 1040.629752] dump_header+0x177/0x6cd [ 1040.633462] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1040.638689] ? ___ratelimit+0x55/0x537 [ 1040.642579] oom_kill_process.cold+0x10/0xadd [ 1040.647080] ? oom_unkillable_task+0x294/0x390 [ 1040.651692] ? lock_downgrade+0x740/0x740 [ 1040.655845] out_of_memory+0x2ee/0x1180 [ 1040.659822] ? lock_acquire+0x16f/0x430 [ 1040.663795] ? oom_killer_disable+0x1d0/0x1d0 [ 1040.668285] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1040.673224] __alloc_pages_slowpath+0x2251/0x2930 [ 1040.678077] ? __alloc_pages_nodemask+0x3d1/0x7a0 [ 1040.682936] ? warn_alloc+0xf0/0xf0 [ 1040.686588] ? __might_sleep+0x93/0xb0 [ 1040.690478] __alloc_pages_nodemask+0x62c/0x7a0 [ 1040.695141] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1040.700158] ? lock_downgrade+0x740/0x740 [ 1040.704318] alloc_pages_current+0xec/0x1e0 [ 1040.708649] __page_cache_alloc+0x248/0x3e0 [ 1040.712976] filemap_fault+0xcef/0x1de0 [ 1040.716954] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1040.721899] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1040.726572] ? lock_acquire+0x16f/0x430 [ 1040.730629] ? ext4_filemap_fault+0x7b/0xb0 [ 1040.734979] ext4_filemap_fault+0x83/0xb0 [ 1040.739127] __do_fault+0x104/0x390 [ 1040.742763] __handle_mm_fault+0x23bd/0x33d0 [ 1040.747214] ? copy_page_range+0x1de0/0x1de0 [ 1040.751613] ? find_held_lock+0x35/0x130 [ 1040.755680] ? handle_mm_fault+0x1b6/0x7c0 [ 1040.759928] handle_mm_fault+0x293/0x7c0 [ 1040.763990] __do_page_fault+0x4c1/0xb80 [ 1040.768065] ? vmalloc_fault+0xe30/0xe30 [ 1040.772127] ? page_fault+0x2f/0x50 [ 1040.775752] do_page_fault+0x71/0x511 [ 1040.779542] ? page_fault+0x2f/0x50 [ 1040.783166] page_fault+0x45/0x50 [ 1040.786614] RIP: 0033:0x410382 [ 1040.789793] RSP: 002b:000000c436c09a10 EFLAGS: 00010283 [ 1040.795151] RAX: 00007fb6aba1d6c8 RBX: 0000000000000000 RCX: 000000c420000180 [ 1040.802424] RDX: 000000c42013a800 RSI: 0000000000000030 RDI: 0000000000884100 [ 1040.809789] RBP: 000000c436c09aa0 R08: 0000000000000000 R09: 0000000000000006 [ 1040.817063] R10: 0000000000c6cd80 R11: 0000000000000000 R12: 0000000000000000 [ 1040.824333] R13: 000000c436c09bf8 R14: 000000c436c09bf8 R15: 0000000000000000 [ 1040.846008] Mem-Info: [ 1040.848467] active_anon:174034 inactive_anon:483 isolated_anon:0 [ 1040.848467] active_file:235 inactive_file:197 isolated_file:0 [ 1040.848467] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1040.848467] slab_reclaimable:14680 slab_unreclaimable:118517 [ 1040.848467] mapped:52290 shmem:537 pagetables:5866 bounce:0 [ 1040.848467] free:13802 free_pcp:56 free_cma:0 [ 1040.883843] Node 0 active_anon:623124kB inactive_anon:1924kB active_file:1012kB inactive_file:724kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1040.916654] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1040.943162] Node 0 DMA free:10372kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:72kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1040.979058] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1040.984214] Node 0 DMA32 free:18096kB min:36380kB low:45472kB high:54564kB active_anon:623076kB inactive_anon:1924kB active_file:920kB inactive_file:744kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10688kB pagetables:21536kB bounce:0kB free_pcp:224kB local_pcp:104kB free_cma:0kB [ 1041.013992] lowmem_reserve[]: 0 0 0 0 0 [ 1041.017965] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1041.045511] lowmem_reserve[]: 0 0 0 0 0 [ 1041.049530] Node 1 Normal free:26756kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1041.078182] lowmem_reserve[]: 0 0 0 0 0 [ 1041.088442] Node 0 DMA: 17*4kB (M) 16*8kB (UM) 12*16kB (UM) 16*32kB (UMH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10372kB [ 1041.106956] Node 0 DMA32: 1995*4kB (UMEH) 1024*8kB (UMEH) 85*16kB (UMH) 10*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18236kB [ 1041.123705] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1041.134641] Node 1 Normal: 373*4kB (UME) 184*8kB (UME) 156*16kB (UM) 184*32kB (ME) 103*64kB (M) 35*128kB (M) 7*256kB (UM) 3*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26772kB [ 1041.150636] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1041.159563] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1041.171452] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1041.181564] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1041.194752] 968 total pagecache pages [ 1041.198669] 0 pages in swap cache [ 1041.202460] Swap cache stats: add 0, delete 0, find 0/0 [ 1041.207975] Free swap = 0kB [ 1041.211141] Total swap = 0kB [ 1041.214162] 1965979 pages RAM [ 1041.217263] 0 pages HighMem/MovableOnly [ 1041.242778] 335869 pages reserved [ 1041.246405] 0 pages cma reserved [ 1041.249882] Out of memory: Kill process 13905 (syz-executor.3) score 1005 or sacrifice child [ 1041.258696] Killed process 13905 (syz-executor.3) total-vm:72852kB, anon-rss:2224kB, file-rss:34816kB, shmem-rss:0kB [ 1041.315158] init invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1041.327463] init cpuset=/ mems_allowed=0-1 [ 1041.331927] CPU: 1 PID: 1 Comm: init Not tainted 4.14.167-syzkaller #0 [ 1041.338595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1041.347952] Call Trace: [ 1041.350550] dump_stack+0x142/0x197 [ 1041.354194] dump_header+0x177/0x6cd [ 1041.357922] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1041.363035] ? ___ratelimit+0x55/0x537 [ 1041.366932] oom_kill_process.cold+0x10/0xadd [ 1041.371427] ? oom_unkillable_task+0x294/0x390 [ 1041.376024] ? lock_downgrade+0x740/0x740 [ 1041.380185] out_of_memory+0x2ee/0x1180 [ 1041.384168] ? lock_acquire+0x16f/0x430 [ 1041.388163] ? oom_killer_disable+0x1d0/0x1d0 [ 1041.392660] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1041.397597] __alloc_pages_slowpath+0x2251/0x2930 [ 1041.402458] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1041.407312] ? warn_alloc+0xf0/0xf0 [ 1041.410948] ? __might_sleep+0x93/0xb0 [ 1041.414845] __alloc_pages_nodemask+0x62c/0x7a0 [ 1041.419522] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1041.424539] ? lock_downgrade+0x740/0x740 [ 1041.428697] alloc_pages_current+0xec/0x1e0 [ 1041.433038] __page_cache_alloc+0x248/0x3e0 [ 1041.437360] filemap_fault+0xcef/0x1de0 [ 1041.441449] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1041.446407] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1041.451080] ? lock_acquire+0x16f/0x430 [ 1041.455156] ? ext4_filemap_fault+0x7b/0xb0 [ 1041.459497] ext4_filemap_fault+0x83/0xb0 [ 1041.463647] __do_fault+0x104/0x390 [ 1041.467281] __handle_mm_fault+0x23bd/0x33d0 [ 1041.471725] ? copy_page_range+0x1de0/0x1de0 [ 1041.476136] ? find_held_lock+0x35/0x130 [ 1041.480226] ? handle_mm_fault+0x1b6/0x7c0 [ 1041.484489] handle_mm_fault+0x293/0x7c0 [ 1041.488554] __do_page_fault+0x4c1/0xb80 [ 1041.492617] ? vmalloc_fault+0xe30/0xe30 [ 1041.496669] ? page_fault+0x2f/0x50 [ 1041.500310] do_page_fault+0x71/0x511 [ 1041.504106] ? page_fault+0x2f/0x50 [ 1041.507772] page_fault+0x45/0x50 [ 1041.511214] RIP: 0033:0x402488 [ 1041.514425] RSP: 002b:00007ffe66c423f8 EFLAGS: 00010202 [ 1041.519840] RAX: 0000000000000000 RBX: 00007ffe66c42520 RCX: 00007f5439136dd3 [ 1041.527100] RDX: 0000000000000000 RSI: 00007ffe66c42330 RDI: 00007ffe66c42520 [ 1041.534368] RBP: 0000000000000000 R08: 00007ffe66c423b0 R09: 0000000000000001 [ 1041.541637] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 1041.548898] R13: 00007ffe66c42710 R14: 0000000000000000 R15: 0000000000000000 [ 1041.560230] Mem-Info: [ 1041.562699] active_anon:173482 inactive_anon:483 isolated_anon:0 [ 1041.562699] active_file:223 inactive_file:199 isolated_file:0 [ 1041.562699] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1041.562699] slab_reclaimable:14680 slab_unreclaimable:118477 [ 1041.562699] mapped:52290 shmem:537 pagetables:5841 bounce:0 [ 1041.562699] free:13840 free_pcp:0 free_cma:0 [ 1041.603152] Node 0 active_anon:620916kB inactive_anon:1924kB active_file:788kB inactive_file:772kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1041.634992] Node 1 active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1041.661359] Node 0 DMA free:10372kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:72kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1041.687936] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1041.693035] Node 0 DMA32 free:18116kB min:36380kB low:45472kB high:54564kB active_anon:620868kB inactive_anon:1924kB active_file:744kB inactive_file:668kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10624kB pagetables:21436kB bounce:0kB free_pcp:108kB local_pcp:0kB free_cma:0kB [ 1041.726042] lowmem_reserve[]: 0 0 0 0 0 [ 1041.730104] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1041.757924] lowmem_reserve[]: 0 0 0 0 0 [ 1041.762171] Node 1 Normal free:26248kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1041.792893] lowmem_reserve[]: 0 0 0 0 0 [ 1041.796920] Node 0 DMA: 18*4kB (M) 16*8kB (UM) 12*16kB (UM) 16*32kB (UMH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1041.812732] Node 0 DMA32: 2037*4kB (UMEH) 1014*8kB (MEH) 82*16kB (UMH) 7*32kB (H) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18180kB [ 1041.827111] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1041.837824] Node 1 Normal: 374*4kB (UME) 184*8kB (UME) 155*16kB (M) 184*32kB (ME) 103*64kB (M) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26248kB [ 1041.854616] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1041.863545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1041.873461] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1041.882412] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1041.891025] 955 total pagecache pages [ 1041.894825] 0 pages in swap cache [ 1041.898304] Swap cache stats: add 0, delete 0, find 0/0 [ 1041.903818] Free swap = 0kB [ 1041.906837] Total swap = 0kB [ 1041.909859] 1965979 pages RAM [ 1041.915301] 0 pages HighMem/MovableOnly [ 1041.919288] 335869 pages reserved [ 1041.922789] 0 pages cma reserved [ 1041.926151] Out of memory: Kill process 12041 (syz-executor.5) score 1005 or sacrifice child [ 1041.934795] Killed process 12041 (syz-executor.5) total-vm:72720kB, anon-rss:2216kB, file-rss:34816kB, shmem-rss:0kB [ 1041.984218] oom_reaper: reaped process 12041 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1042.000898] init invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1042.018304] init cpuset=/ mems_allowed=0-1 [ 1042.022674] CPU: 1 PID: 1 Comm: init Not tainted 4.14.167-syzkaller #0 [ 1042.029339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1042.038703] Call Trace: [ 1042.041300] dump_stack+0x142/0x197 [ 1042.044936] dump_header+0x177/0x6cd [ 1042.048640] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1042.053739] ? ___ratelimit+0x55/0x537 [ 1042.057677] oom_kill_process.cold+0x10/0xadd [ 1042.062168] ? oom_unkillable_task+0x294/0x390 [ 1042.066768] ? lock_downgrade+0x740/0x740 [ 1042.070922] out_of_memory+0x2ee/0x1180 [ 1042.074914] ? lock_acquire+0x16f/0x430 [ 1042.078886] ? oom_killer_disable+0x1d0/0x1d0 [ 1042.083377] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1042.088330] __alloc_pages_slowpath+0x2251/0x2930 [ 1042.093174] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1042.098028] ? warn_alloc+0xf0/0xf0 [ 1042.101664] ? __might_sleep+0x93/0xb0 [ 1042.105553] __alloc_pages_nodemask+0x62c/0x7a0 [ 1042.110225] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1042.115241] ? lock_downgrade+0x740/0x740 [ 1042.119404] alloc_pages_current+0xec/0x1e0 [ 1042.123732] __page_cache_alloc+0x248/0x3e0 [ 1042.128053] filemap_fault+0xcef/0x1de0 [ 1042.132024] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1042.136972] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1042.141646] ? lock_acquire+0x16f/0x430 [ 1042.148402] ? ext4_filemap_fault+0x7b/0xb0 [ 1042.152746] ext4_filemap_fault+0x83/0xb0 [ 1042.156900] __do_fault+0x104/0x390 [ 1042.160533] __handle_mm_fault+0x23bd/0x33d0 [ 1042.164949] ? copy_page_range+0x1de0/0x1de0 [ 1042.169368] ? find_held_lock+0x35/0x130 [ 1042.173438] ? handle_mm_fault+0x1b6/0x7c0 [ 1042.177702] handle_mm_fault+0x293/0x7c0 [ 1042.181790] __do_page_fault+0x4c1/0xb80 [ 1042.185855] ? vmalloc_fault+0xe30/0xe30 [ 1042.190038] ? page_fault+0x2f/0x50 [ 1042.193670] do_page_fault+0x71/0x511 [ 1042.197467] ? page_fault+0x2f/0x50 [ 1042.201087] page_fault+0x45/0x50 [ 1042.204538] RIP: 0033:0x402488 [ 1042.207730] RSP: 002b:00007ffe66c423f8 EFLAGS: 00010202 [ 1042.213096] RAX: 0000000000000000 RBX: 00007ffe66c42520 RCX: 00007f5439136dd3 [ 1042.220365] RDX: 0000000000000000 RSI: 00007ffe66c42330 RDI: 00007ffe66c42520 [ 1042.227745] RBP: 0000000000000000 R08: 00007ffe66c423b0 R09: 0000000000000001 [ 1042.235015] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 1042.242286] R13: 00007ffe66c42710 R14: 0000000000000000 R15: 0000000000000000 [ 1042.257673] Mem-Info: [ 1042.260162] active_anon:172932 inactive_anon:483 isolated_anon:0 [ 1042.260162] active_file:223 inactive_file:181 isolated_file:0 [ 1042.260162] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1042.260162] slab_reclaimable:14680 slab_unreclaimable:118483 [ 1042.260162] mapped:52290 shmem:537 pagetables:5815 bounce:0 [ 1042.260162] free:13695 free_pcp:127 free_cma:0 [ 1042.308414] Node 0 active_anon:618716kB inactive_anon:1924kB active_file:852kB inactive_file:640kB unevictable:12kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 161792kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1042.349971] Node 1 active_anon:73012kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1042.386227] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:72kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1042.400246] Dropped {multi|broad}cast of type= [86dd] [ 1042.413671] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1042.427002] Node 0 DMA32 free:18160kB min:36380kB low:45472kB high:54564kB active_anon:618668kB inactive_anon:1924kB active_file:836kB inactive_file:660kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10624kB pagetables:21332kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1042.466438] lowmem_reserve[]: 0 0 0 0 0 [ 1042.470646] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1042.503801] lowmem_reserve[]: 0 0 0 0 0 [ 1042.507842] Node 1 Normal free:26348kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1042.536323] lowmem_reserve[]: 0 0 0 0 0 [ 1042.541177] Node 0 DMA: 18*4kB (M) 16*8kB (UM) 12*16kB (UM) 16*32kB (UMH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1042.556981] Node 0 DMA32: 2043*4kB (UMEH) 1007*8kB (UMEH) 78*16kB (UMH) 9*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18148kB [ 1042.575884] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1042.586701] Node 1 Normal: 374*4kB (UME) 183*8kB (ME) 155*16kB (M) 184*32kB (ME) 103*64kB (M) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26368kB [ 1042.603721] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1042.612615] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1042.625554] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1042.636927] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1042.645633] 954 total pagecache pages [ 1042.649453] 0 pages in swap cache [ 1042.652958] Swap cache stats: add 0, delete 0, find 0/0 [ 1042.658312] Free swap = 0kB [ 1042.661420] Total swap = 0kB [ 1042.664440] 1965979 pages RAM [ 1042.667535] 0 pages HighMem/MovableOnly [ 1042.672811] 335869 pages reserved [ 1042.676275] 0 pages cma reserved [ 1042.679632] Out of memory: Kill process 13169 (syz-executor.0) score 1005 or sacrifice child [ 1042.696041] Killed process 13169 (syz-executor.0) total-vm:72720kB, anon-rss:2216kB, file-rss:34816kB, shmem-rss:0kB [ 1042.745062] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1042.758728] rsyslogd cpuset=/ mems_allowed=0-1 [ 1042.765047] CPU: 0 PID: 7104 Comm: rsyslogd Not tainted 4.14.167-syzkaller #0 [ 1042.772360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1042.781696] Call Trace: [ 1042.784266] dump_stack+0x142/0x197 [ 1042.787932] dump_header+0x177/0x6cd [ 1042.791646] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1042.796748] ? ___ratelimit+0x55/0x537 [ 1042.800627] oom_kill_process.cold+0x10/0xadd [ 1042.805101] ? oom_unkillable_task+0x294/0x390 [ 1042.809665] ? lock_downgrade+0x740/0x740 [ 1042.813806] out_of_memory+0x2ee/0x1180 [ 1042.817759] ? lock_acquire+0x16f/0x430 [ 1042.821725] ? oom_killer_disable+0x1d0/0x1d0 [ 1042.826214] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1042.831150] __alloc_pages_slowpath+0x2251/0x2930 [ 1042.835978] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1042.840801] ? warn_alloc+0xf0/0xf0 [ 1042.844424] ? __might_sleep+0x93/0xb0 [ 1042.848293] __alloc_pages_nodemask+0x62c/0x7a0 [ 1042.852945] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1042.857961] ? lock_downgrade+0x740/0x740 [ 1042.862094] alloc_pages_current+0xec/0x1e0 [ 1042.866395] __page_cache_alloc+0x248/0x3e0 [ 1042.870709] filemap_fault+0xcef/0x1de0 [ 1042.874663] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1042.879599] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1042.884291] ? lock_acquire+0x16f/0x430 [ 1042.888270] ? ext4_filemap_fault+0x7b/0xb0 [ 1042.892595] ext4_filemap_fault+0x83/0xb0 [ 1042.896752] __do_fault+0x104/0x390 [ 1042.900376] __handle_mm_fault+0x23bd/0x33d0 [ 1042.904827] ? copy_page_range+0x1de0/0x1de0 [ 1042.909364] ? find_held_lock+0x35/0x130 [ 1042.913423] ? handle_mm_fault+0x1b6/0x7c0 [ 1042.917649] handle_mm_fault+0x293/0x7c0 [ 1042.921698] __do_page_fault+0x4c1/0xb80 [ 1042.925742] ? vmalloc_fault+0xe30/0xe30 [ 1042.929810] ? page_fault+0x2f/0x50 [ 1042.933422] do_page_fault+0x71/0x511 [ 1042.937264] ? page_fault+0x2f/0x50 [ 1042.940881] page_fault+0x45/0x50 [ 1042.944316] RIP: 0033:0x7f3214100209 [ 1042.948048] RSP: 002b:00007f321169fe30 EFLAGS: 00010297 [ 1042.953423] RAX: 0000000000000000 RBX: 0000000001dce670 RCX: 00007f32141001fd [ 1042.960674] RDX: 0000000000000b34 RSI: 00007f3212ed45a0 RDI: 0000000000000000 [ 1042.967926] RBP: 0000000000000000 R08: 0000000001db9260 R09: 0000000000000000 [ 1042.975275] R10: 6b36313834333a73 R11: 0000000000000000 R12: 000000000065e420 [ 1042.982523] R13: 00007f32116a09c0 R14: 00007f3214745040 R15: 0000000000000003 [ 1042.993469] Mem-Info: [ 1042.995924] active_anon:172394 inactive_anon:483 isolated_anon:0 [ 1042.995924] active_file:232 inactive_file:197 isolated_file:0 [ 1042.995924] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1042.995924] slab_reclaimable:14680 slab_unreclaimable:118492 [ 1042.995924] mapped:52290 shmem:537 pagetables:5778 bounce:0 [ 1042.995924] free:13717 free_pcp:63 free_cma:0 [ 1043.029316] Node 0 active_anon:616564kB inactive_anon:1924kB active_file:908kB inactive_file:800kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 161792kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1043.057764] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1043.084148] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:56kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1043.110727] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1043.115771] Node 0 DMA32 free:18068kB min:36380kB low:45472kB high:54564kB active_anon:616516kB inactive_anon:1924kB active_file:812kB inactive_file:772kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10624kB pagetables:21184kB bounce:0kB free_pcp:380kB local_pcp:252kB free_cma:0kB [ 1043.148094] lowmem_reserve[]: 0 0 0 0 0 [ 1043.152203] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1043.177552] lowmem_reserve[]: 0 0 0 0 0 [ 1043.181590] Node 1 Normal free:26368kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1043.210090] lowmem_reserve[]: 0 0 0 0 0 [ 1043.214096] Node 0 DMA: 18*4kB (M) 16*8kB (UM) 12*16kB (UM) 16*32kB (UMH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1043.229858] Node 0 DMA32: 2058*4kB (MEH) 993*8kB (UMEH) 73*16kB (MH) 8*32kB (UH) 4*64kB (H) 2*128kB (UH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18112kB [ 1043.244296] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1043.255025] Node 1 Normal: 374*4kB (UME) 183*8kB (ME) 155*16kB (M) 184*32kB (ME) 103*64kB (M) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26368kB [ 1043.271610] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1043.283072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1043.291727] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1043.300606] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1043.309172] 960 total pagecache pages [ 1043.313030] 0 pages in swap cache [ 1043.316461] Swap cache stats: add 0, delete 0, find 0/0 [ 1043.321852] Free swap = 0kB [ 1043.324872] Total swap = 0kB [ 1043.327881] 1965979 pages RAM [ 1043.331022] 0 pages HighMem/MovableOnly [ 1043.334988] 335869 pages reserved [ 1043.338429] 0 pages cma reserved [ 1043.341829] Out of memory: Kill process 13204 (syz-executor.5) score 1005 or sacrifice child [ 1043.353314] Killed process 13204 (syz-executor.5) total-vm:72720kB, anon-rss:2216kB, file-rss:34816kB, shmem-rss:0kB [ 1043.399225] oom_reaper: reaped process 13204 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1043.414302] init invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1043.431832] init cpuset=/ mems_allowed=0-1 [ 1043.436095] CPU: 0 PID: 1 Comm: init Not tainted 4.14.167-syzkaller #0 [ 1043.442754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1043.452085] Call Trace: [ 1043.454659] dump_stack+0x142/0x197 [ 1043.458268] dump_header+0x177/0x6cd [ 1043.461961] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1043.467042] ? ___ratelimit+0x55/0x537 [ 1043.470911] oom_kill_process.cold+0x10/0xadd [ 1043.475384] ? oom_unkillable_task+0x294/0x390 [ 1043.479962] ? lock_downgrade+0x740/0x740 [ 1043.484105] out_of_memory+0x2ee/0x1180 [ 1043.488056] ? lock_acquire+0x16f/0x430 [ 1043.492013] ? oom_killer_disable+0x1d0/0x1d0 [ 1043.496532] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1043.501490] __alloc_pages_slowpath+0x2251/0x2930 [ 1043.506321] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1043.511149] ? warn_alloc+0xf0/0xf0 [ 1043.514762] ? __might_sleep+0x93/0xb0 [ 1043.518636] __alloc_pages_nodemask+0x62c/0x7a0 [ 1043.523291] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1043.528289] ? lock_downgrade+0x740/0x740 [ 1043.532445] alloc_pages_current+0xec/0x1e0 [ 1043.536755] __page_cache_alloc+0x248/0x3e0 [ 1043.541058] filemap_fault+0xcef/0x1de0 [ 1043.545023] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1043.549938] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1043.554583] ? lock_acquire+0x16f/0x430 [ 1043.558545] ? ext4_filemap_fault+0x7b/0xb0 [ 1043.562863] ext4_filemap_fault+0x83/0xb0 [ 1043.566989] __do_fault+0x104/0x390 [ 1043.570607] __handle_mm_fault+0x23bd/0x33d0 [ 1043.574995] ? copy_page_range+0x1de0/0x1de0 [ 1043.579379] ? find_held_lock+0x35/0x130 [ 1043.583419] ? handle_mm_fault+0x1b6/0x7c0 [ 1043.587651] handle_mm_fault+0x293/0x7c0 [ 1043.591741] __do_page_fault+0x4c1/0xb80 [ 1043.595807] ? vmalloc_fault+0xe30/0xe30 [ 1043.599860] ? page_fault+0x2f/0x50 [ 1043.603479] do_page_fault+0x71/0x511 [ 1043.607258] ? page_fault+0x2f/0x50 [ 1043.610867] page_fault+0x45/0x50 [ 1043.614297] RIP: 0033:0x402488 [ 1043.617464] RSP: 002b:00007ffe66c423f8 EFLAGS: 00010202 [ 1043.622837] RAX: 0000000000000000 RBX: 00007ffe66c42520 RCX: 00007f5439136dd3 [ 1043.630086] RDX: 0000000000000000 RSI: 00007ffe66c42330 RDI: 00007ffe66c42520 [ 1043.637408] RBP: 0000000000000000 R08: 00007ffe66c423b0 R09: 0000000000000001 [ 1043.644671] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 1043.651931] R13: 00007ffe66c42710 R14: 0000000000000000 R15: 0000000000000000 [ 1043.663865] Mem-Info: [ 1043.666313] active_anon:171850 inactive_anon:483 isolated_anon:0 [ 1043.666313] active_file:224 inactive_file:198 isolated_file:0 [ 1043.666313] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1043.666313] slab_reclaimable:14680 slab_unreclaimable:118473 [ 1043.666313] mapped:52290 shmem:537 pagetables:5752 bounce:0 [ 1043.666313] free:13708 free_pcp:97 free_cma:0 [ 1043.699881] Node 0 active_anon:614388kB inactive_anon:1924kB active_file:892kB inactive_file:768kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1043.728092] Node 1 active_anon:73012kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1043.754553] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:64kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1043.785938] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1043.791855] Node 0 DMA32 free:18180kB min:36380kB low:45472kB high:54564kB active_anon:614340kB inactive_anon:1924kB active_file:920kB inactive_file:676kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10624kB pagetables:21080kB bounce:0kB free_pcp:72kB local_pcp:0kB free_cma:0kB [ 1043.821589] lowmem_reserve[]: 0 0 0 0 0 [ 1043.825564] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1043.850924] lowmem_reserve[]: 0 0 0 0 0 [ 1043.854932] Node 1 Normal free:26368kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1043.883417] lowmem_reserve[]: 0 0 0 0 0 [ 1043.887391] Node 0 DMA: 18*4kB (M) 16*8kB (UM) 12*16kB (UM) 16*32kB (UMH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10376kB [ 1043.904378] Node 0 DMA32: 2087*4kB (UMEH) 993*8kB (UMEH) 73*16kB (MH) 7*32kB (H) 4*64kB (H) 1*128kB (H) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18324kB [ 1043.919122] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1043.936345] Node 1 Normal: 374*4kB (UME) 183*8kB (ME) 155*16kB (M) 184*32kB (ME) 103*64kB (M) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26368kB [ 1043.963409] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1043.972412] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1043.981074] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1043.989978] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1043.998595] 961 total pagecache pages [ 1044.002452] 0 pages in swap cache [ 1044.005899] Swap cache stats: add 0, delete 0, find 0/0 [ 1044.011353] Free swap = 0kB [ 1044.014365] Total swap = 0kB [ 1044.017379] 1965979 pages RAM [ 1044.024032] 0 pages HighMem/MovableOnly [ 1044.028007] 335869 pages reserved [ 1044.031491] 0 pages cma reserved [ 1044.034857] Out of memory: Kill process 13220 (syz-executor.0) score 1005 or sacrifice child [ 1044.044999] Killed process 13220 (syz-executor.0) total-vm:72720kB, anon-rss:2216kB, file-rss:34816kB, shmem-rss:0kB [ 1044.082584] oom_reaper: reaped process 13220 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1044.107587] syz-executor.0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1044.120737] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1044.126102] CPU: 0 PID: 11876 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1044.133965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1044.143315] Call Trace: [ 1044.145894] dump_stack+0x142/0x197 [ 1044.149508] dump_header+0x177/0x6cd [ 1044.153206] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1044.158289] ? ___ratelimit+0x55/0x537 [ 1044.162162] oom_kill_process.cold+0x10/0xadd [ 1044.166636] ? oom_unkillable_task+0x294/0x390 [ 1044.171200] ? lock_downgrade+0x740/0x740 [ 1044.175330] out_of_memory+0x2ee/0x1180 [ 1044.179284] ? lock_acquire+0x16f/0x430 [ 1044.183261] ? oom_killer_disable+0x1d0/0x1d0 [ 1044.187735] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1044.192651] __alloc_pages_slowpath+0x2251/0x2930 [ 1044.197477] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1044.202300] ? warn_alloc+0xf0/0xf0 [ 1044.205933] ? __might_sleep+0x93/0xb0 [ 1044.209811] __alloc_pages_nodemask+0x62c/0x7a0 [ 1044.214567] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1044.219561] ? lock_downgrade+0x740/0x740 [ 1044.223703] alloc_pages_current+0xec/0x1e0 [ 1044.228004] __page_cache_alloc+0x248/0x3e0 [ 1044.232310] filemap_fault+0xcef/0x1de0 [ 1044.236272] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1044.241202] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1044.245848] ? lock_acquire+0x16f/0x430 [ 1044.249800] ? ext4_filemap_fault+0x7b/0xb0 [ 1044.254104] ext4_filemap_fault+0x83/0xb0 [ 1044.258229] __do_fault+0x104/0x390 [ 1044.261836] __handle_mm_fault+0x23bd/0x33d0 [ 1044.266231] ? copy_page_range+0x1de0/0x1de0 [ 1044.270629] ? find_held_lock+0x35/0x130 [ 1044.274727] ? handle_mm_fault+0x1b6/0x7c0 [ 1044.278966] handle_mm_fault+0x293/0x7c0 [ 1044.283038] __do_page_fault+0x4c1/0xb80 [ 1044.287086] ? vmalloc_fault+0xe30/0xe30 [ 1044.291129] ? page_fault+0x2f/0x50 [ 1044.294750] do_page_fault+0x71/0x511 [ 1044.298571] ? page_fault+0x2f/0x50 [ 1044.302186] page_fault+0x45/0x50 [ 1044.305629] RIP: 0033:0x41518a [ 1044.308840] RSP: 002b:00007ffd56835d98 EFLAGS: 00010246 [ 1044.314187] RAX: 0000000000000071 RBX: 0000000000d18940 RCX: 000000000041518a [ 1044.321445] RDX: 0000000040000000 RSI: 00007ffd56835dd0 RDI: ffffffffffffffff [ 1044.328758] RBP: 0000000000000b79 R08: 0000000000000001 R09: 0000000000000001 [ 1044.336020] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 1044.343271] R13: 00007ffd56835dd0 R14: 0000000000d1899b R15: 00007ffd56835de0 [ 1044.358387] Mem-Info: [ 1044.360891] active_anon:171298 inactive_anon:483 isolated_anon:0 [ 1044.360891] active_file:221 inactive_file:176 isolated_file:32 [ 1044.360891] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1044.360891] slab_reclaimable:14680 slab_unreclaimable:118483 [ 1044.360891] mapped:52290 shmem:537 pagetables:5737 bounce:0 [ 1044.360891] free:13756 free_pcp:48 free_cma:0 [ 1044.396952] Node 0 active_anon:612180kB inactive_anon:1924kB active_file:856kB inactive_file:724kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1044.425179] Node 1 active_anon:73012kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1044.451734] Node 0 DMA free:10376kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1044.478369] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1044.495681] Node 0 DMA32 free:18576kB min:36380kB low:45472kB high:54564kB active_anon:612132kB inactive_anon:1924kB active_file:856kB inactive_file:776kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10624kB pagetables:21020kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1044.525198] lowmem_reserve[]: 0 0 0 0 0 [ 1044.529197] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1044.554510] lowmem_reserve[]: 0 0 0 0 0 [ 1044.558493] Node 1 Normal free:26368kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1044.586923] lowmem_reserve[]: 0 0 0 0 0 [ 1044.590941] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1044.615917] Node 0 DMA32: 2097*4kB (UMEH) 992*8kB (UMEH) 75*16kB (UMH) 8*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18164kB [ 1044.631604] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1044.642380] Node 1 Normal: 374*4kB (UME) 183*8kB (ME) 155*16kB (M) 184*32kB (ME) 103*64kB (M) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26368kB [ 1044.658295] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1044.667198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1044.675849] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1044.684762] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1044.697043] 965 total pagecache pages [ 1044.700880] 0 pages in swap cache [ 1044.704310] Swap cache stats: add 0, delete 0, find 0/0 [ 1044.709647] Free swap = 0kB [ 1044.713981] Total swap = 0kB [ 1044.717001] 1965979 pages RAM [ 1044.725537] 0 pages HighMem/MovableOnly [ 1044.729524] 335869 pages reserved [ 1044.734198] 0 pages cma reserved [ 1044.737569] Out of memory: Kill process 13259 (syz-executor.5) score 1005 or sacrifice child [ 1044.749008] Killed process 13259 (syz-executor.5) total-vm:72720kB, anon-rss:2216kB, file-rss:34816kB, shmem-rss:0kB [ 1044.797137] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1044.823703] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1044.828565] CPU: 0 PID: 7248 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1044.836007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1044.845353] Call Trace: [ 1044.847930] dump_stack+0x142/0x197 [ 1044.851541] ? perf_trace_drv_tdls_recv_channel_switch+0x540/0xd90 [ 1044.857858] dump_header+0x177/0x6cd [ 1044.861635] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1044.866737] ? ___ratelimit+0x55/0x537 [ 1044.870611] oom_kill_process.cold+0x10/0xadd [ 1044.875098] ? oom_unkillable_task+0x294/0x390 [ 1044.879678] ? lock_downgrade+0x740/0x740 [ 1044.883844] out_of_memory+0x2ee/0x1180 [ 1044.887812] ? lock_acquire+0x16f/0x430 [ 1044.891781] ? oom_killer_disable+0x1d0/0x1d0 [ 1044.896267] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1044.901189] __alloc_pages_slowpath+0x2251/0x2930 [ 1044.906021] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1044.910860] ? warn_alloc+0xf0/0xf0 [ 1044.914489] ? __might_sleep+0x93/0xb0 [ 1044.918370] __alloc_pages_nodemask+0x62c/0x7a0 [ 1044.923025] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1044.928031] ? lock_downgrade+0x740/0x740 [ 1044.932166] alloc_pages_current+0xec/0x1e0 [ 1044.936481] __page_cache_alloc+0x248/0x3e0 [ 1044.940838] filemap_fault+0xcef/0x1de0 [ 1044.944794] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1044.949778] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1044.954431] ? lock_acquire+0x16f/0x430 [ 1044.958390] ? ext4_filemap_fault+0x7b/0xb0 [ 1044.962705] ext4_filemap_fault+0x83/0xb0 [ 1044.966844] __do_fault+0x104/0x390 [ 1044.970478] __handle_mm_fault+0x23bd/0x33d0 [ 1044.974883] ? copy_page_range+0x1de0/0x1de0 [ 1044.979271] ? find_held_lock+0x35/0x130 [ 1044.983317] ? handle_mm_fault+0x1b6/0x7c0 [ 1044.987553] handle_mm_fault+0x293/0x7c0 [ 1044.991751] __do_page_fault+0x4c1/0xb80 [ 1044.995808] ? vmalloc_fault+0xe30/0xe30 [ 1044.999853] ? page_fault+0x2f/0x50 [ 1045.003462] do_page_fault+0x71/0x511 [ 1045.007267] ? page_fault+0x2f/0x50 [ 1045.011024] page_fault+0x45/0x50 [ 1045.014528] RIP: 0033:0x40ec10 [ 1045.017709] RSP: 002b:000000c42004fee0 EFLAGS: 00010216 [ 1045.023064] RAX: 0000000001e2bbd8 RBX: 0000000000000006 RCX: 000000c420000480 [ 1045.030361] RDX: 0000000022964e6e RSI: 000000c42004ff10 RDI: 000000c42004feec [ 1045.037658] RBP: 000000c42004ff18 R08: 00007fffb93ee000 R09: 00000117240ba8b2 [ 1045.045530] R10: 00114b2737000000 R11: 0000000000000001 R12: 000000000042f0a0 [ 1045.052789] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 1045.085940] Mem-Info: [ 1045.088392] active_anon:170753 inactive_anon:483 isolated_anon:0 [ 1045.088392] active_file:241 inactive_file:181 isolated_file:0 [ 1045.088392] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1045.088392] slab_reclaimable:14680 slab_unreclaimable:118494 [ 1045.088392] mapped:52290 shmem:537 pagetables:5711 bounce:0 [ 1045.088392] free:13783 free_pcp:0 free_cma:0 [ 1045.135937] Node 0 active_anon:610000kB inactive_anon:1924kB active_file:976kB inactive_file:736kB unevictable:12kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:4kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1045.170404] Node 1 active_anon:73012kB inactive_anon:8kB active_file:8kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1045.198782] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:20kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1045.232034] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1045.237155] Node 0 DMA32 free:18104kB min:36380kB low:45472kB high:54564kB active_anon:609952kB inactive_anon:1924kB active_file:840kB inactive_file:612kB unevictable:12kB writepending:1492kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10528kB pagetables:20916kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1045.267124] lowmem_reserve[]: 0 0 0 0 0 [ 1045.271194] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1045.296681] lowmem_reserve[]: 0 0 0 0 0 [ 1045.300739] Node 1 Normal free:26368kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:8kB inactive_file:28kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1045.329240] lowmem_reserve[]: 0 0 0 0 0 [ 1045.333302] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1045.351312] Node 0 DMA32: 2099*4kB (UMEH) 993*8kB (UMEH) 74*16kB (UMH) 7*32kB (H) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18132kB [ 1045.367648] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1045.379984] Node 1 Normal: 374*4kB (UME) 183*8kB (ME) 155*16kB (M) 184*32kB (ME) 103*64kB (M) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26368kB [ 1045.395837] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1045.404723] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1045.413342] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1045.422266] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1045.432678] 964 total pagecache pages [ 1045.436499] 0 pages in swap cache [ 1045.439947] Swap cache stats: add 0, delete 0, find 0/0 [ 1045.445733] Free swap = 0kB [ 1045.448781] Total swap = 0kB [ 1045.451844] 1965979 pages RAM [ 1045.454948] 0 pages HighMem/MovableOnly [ 1045.458923] 335869 pages reserved [ 1045.463647] 0 pages cma reserved [ 1045.467053] Out of memory: Kill process 13275 (syz-executor.0) score 1005 or sacrifice child [ 1045.478011] Killed process 13275 (syz-executor.0) total-vm:72720kB, anon-rss:2216kB, file-rss:34816kB, shmem-rss:0kB [ 1045.529156] oom_reaper: reaped process 13275 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1045.593960] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1045.607560] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1045.608880] NOHZ: local_softirq_pending 08 [ 1045.612413] CPU: 0 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1045.624018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1045.633374] Call Trace: [ 1045.635971] dump_stack+0x142/0x197 [ 1045.639603] dump_header+0x177/0x6cd [ 1045.643326] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1045.648510] ? ___ratelimit+0x55/0x537 [ 1045.652397] oom_kill_process.cold+0x10/0xadd [ 1045.656895] ? oom_unkillable_task+0x294/0x390 [ 1045.661466] ? lock_downgrade+0x740/0x740 [ 1045.665606] out_of_memory+0x2ee/0x1180 [ 1045.669572] ? lock_acquire+0x16f/0x430 [ 1045.673533] ? oom_killer_disable+0x1d0/0x1d0 [ 1045.678019] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1045.682933] __alloc_pages_slowpath+0x2251/0x2930 [ 1045.687768] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1045.692595] ? warn_alloc+0xf0/0xf0 [ 1045.696220] ? __might_sleep+0x93/0xb0 [ 1045.700107] __alloc_pages_nodemask+0x62c/0x7a0 [ 1045.704762] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1045.709772] ? lock_downgrade+0x740/0x740 [ 1045.713924] alloc_pages_current+0xec/0x1e0 [ 1045.718355] __page_cache_alloc+0x248/0x3e0 [ 1045.722669] filemap_fault+0xcef/0x1de0 [ 1045.726635] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1045.731555] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1045.736204] ? lock_acquire+0x16f/0x430 [ 1045.740173] ? ext4_filemap_fault+0x7b/0xb0 [ 1045.744496] ext4_filemap_fault+0x83/0xb0 [ 1045.748626] __do_fault+0x104/0x390 [ 1045.752236] __handle_mm_fault+0x23bd/0x33d0 [ 1045.756644] ? copy_page_range+0x1de0/0x1de0 [ 1045.761036] ? find_held_lock+0x35/0x130 [ 1045.765187] ? handle_mm_fault+0x1b6/0x7c0 [ 1045.769422] handle_mm_fault+0x293/0x7c0 [ 1045.773476] __do_page_fault+0x4c1/0xb80 [ 1045.777551] ? vmalloc_fault+0xe30/0xe30 [ 1045.781593] ? page_fault+0x2f/0x50 [ 1045.785201] do_page_fault+0x71/0x511 [ 1045.788997] ? page_fault+0x2f/0x50 [ 1045.792660] page_fault+0x45/0x50 [ 1045.796114] RIP: 0033:0x4284f0 [ 1045.799285] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1045.804632] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1045.811895] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1045.819156] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1045.826424] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1045.833689] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1045.847211] Mem-Info: [ 1045.849740] active_anon:170206 inactive_anon:483 isolated_anon:0 [ 1045.849740] active_file:246 inactive_file:194 isolated_file:0 [ 1045.849740] unevictable:3 dirty:397 writeback:2 unstable:0 [ 1045.849740] slab_reclaimable:14680 slab_unreclaimable:118497 [ 1045.849740] mapped:52290 shmem:537 pagetables:5685 bounce:0 [ 1045.849740] free:13776 free_pcp:29 free_cma:0 [ 1045.883317] Node 0 active_anon:607812kB inactive_anon:1924kB active_file:964kB inactive_file:744kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:8kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1045.911562] Node 1 active_anon:73012kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1045.937982] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:8kB inactive_file:48kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1045.965590] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1045.986663] Node 0 DMA32 free:18116kB min:36380kB low:45472kB high:54564kB active_anon:607764kB inactive_anon:1924kB active_file:920kB inactive_file:712kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10400kB pagetables:20812kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1046.023678] lowmem_reserve[]: 0 0 0 0 0 [ 1046.027721] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1046.053267] lowmem_reserve[]: 0 0 0 0 0 [ 1046.057273] Node 1 Normal free:26368kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1046.086042] lowmem_reserve[]: 0 0 0 0 0 [ 1046.090111] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1046.110713] Node 0 DMA32: 2107*4kB (UMEH) 974*8kB (MEH) 72*16kB (UMH) 7*32kB (H) 6*64kB (UH) 2*128kB (UH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18236kB [ 1046.130200] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1046.141004] Node 1 Normal: 374*4kB (UME) 183*8kB (ME) 155*16kB (M) 184*32kB (ME) 103*64kB (M) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26368kB [ 1046.156794] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1046.165705] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1046.174330] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1046.183257] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1046.191885] 955 total pagecache pages [ 1046.195691] 0 pages in swap cache [ 1046.199174] Swap cache stats: add 0, delete 0, find 0/0 [ 1046.204607] Free swap = 0kB [ 1046.207619] Total swap = 0kB [ 1046.210668] 1965979 pages RAM [ 1046.213763] 0 pages HighMem/MovableOnly [ 1046.217725] 335869 pages reserved [ 1046.221217] 0 pages cma reserved [ 1046.224578] Out of memory: Kill process 13307 (syz-executor.5) score 1005 or sacrifice child [ 1046.233234] Killed process 13307 (syz-executor.5) total-vm:72720kB, anon-rss:2216kB, file-rss:34816kB, shmem-rss:0kB [ 1046.274719] oom_reaper: reaped process 13307 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1046.310502] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1046.323469] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1046.328249] CPU: 0 PID: 7249 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1046.335684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1046.345067] Call Trace: [ 1046.347645] dump_stack+0x142/0x197 [ 1046.351310] dump_header+0x177/0x6cd [ 1046.355009] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1046.360104] ? ___ratelimit+0x55/0x537 [ 1046.363989] oom_kill_process.cold+0x10/0xadd [ 1046.368516] ? rcu_read_unlock_special+0x639/0xd40 [ 1046.373433] ? lock_downgrade+0x740/0x740 [ 1046.377578] out_of_memory+0x2ee/0x1180 [ 1046.381553] ? lock_acquire+0x16f/0x430 [ 1046.385524] ? oom_killer_disable+0x1d0/0x1d0 [ 1046.390011] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1046.394944] __alloc_pages_slowpath+0x2251/0x2930 [ 1046.399785] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1046.404615] ? warn_alloc+0xf0/0xf0 [ 1046.408230] ? __might_sleep+0x93/0xb0 [ 1046.412107] __alloc_pages_nodemask+0x62c/0x7a0 [ 1046.416763] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1046.421764] ? lock_downgrade+0x740/0x740 [ 1046.425933] alloc_pages_current+0xec/0x1e0 [ 1046.430240] __page_cache_alloc+0x248/0x3e0 [ 1046.434561] filemap_fault+0xcef/0x1de0 [ 1046.438516] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1046.443432] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1046.448082] ? lock_acquire+0x16f/0x430 [ 1046.452046] ? ext4_filemap_fault+0x7b/0xb0 [ 1046.456353] ext4_filemap_fault+0x83/0xb0 [ 1046.460482] __do_fault+0x104/0x390 [ 1046.464102] __handle_mm_fault+0x23bd/0x33d0 [ 1046.468527] ? copy_page_range+0x1de0/0x1de0 [ 1046.472922] ? find_held_lock+0x35/0x130 [ 1046.476973] ? handle_mm_fault+0x1b6/0x7c0 [ 1046.481205] handle_mm_fault+0x293/0x7c0 [ 1046.485247] __do_page_fault+0x4c1/0xb80 [ 1046.489290] ? vmalloc_fault+0xe30/0xe30 [ 1046.493345] ? page_fault+0x2f/0x50 [ 1046.496968] do_page_fault+0x71/0x511 [ 1046.500761] ? page_fault+0x2f/0x50 [ 1046.504369] page_fault+0x45/0x50 [ 1046.507810] RIP: 0033:0x45b153 [ 1046.510980] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206 [ 1046.516323] RAX: ffffffffffffff92 RBX: 000000003b4f37a3 RCX: 000000000045b153 [ 1046.523582] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e120a0 [ 1046.530833] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1046.538157] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c427908218 [ 1046.545455] R13: 000000000000007f R14: 0000000000c8b140 R15: 0000000000000213 [ 1046.557146] Mem-Info: [ 1046.559590] active_anon:169658 inactive_anon:483 isolated_anon:0 [ 1046.559590] active_file:204 inactive_file:194 isolated_file:12 [ 1046.559590] unevictable:3 dirty:401 writeback:0 unstable:0 [ 1046.559590] slab_reclaimable:14680 slab_unreclaimable:118509 [ 1046.559590] mapped:52290 shmem:537 pagetables:5659 bounce:0 [ 1046.559590] free:14288 free_pcp:32 free_cma:0 [ 1046.593278] Node 0 active_anon:605620kB inactive_anon:1924kB active_file:880kB inactive_file:752kB unevictable:12kB isolated(anon):0kB isolated(file):48kB mapped:209160kB dirty:1572kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 149504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1046.621713] Node 1 active_anon:73012kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1046.648277] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1046.677112] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1046.698846] Node 0 DMA32 free:18168kB min:36380kB low:45472kB high:54564kB active_anon:605572kB inactive_anon:1924kB active_file:856kB inactive_file:684kB unevictable:12kB writepending:1512kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10368kB pagetables:20708kB bounce:0kB free_pcp:224kB local_pcp:128kB free_cma:0kB [ 1046.728676] lowmem_reserve[]: 0 0 0 0 0 [ 1046.732716] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1046.758228] lowmem_reserve[]: 0 0 0 0 0 [ 1046.768152] Node 1 Normal free:26368kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1046.798540] lowmem_reserve[]: 0 0 0 0 0 [ 1046.816229] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1046.838077] Node 0 DMA32: 2122*4kB (UMEH) 979*8kB (UMEH) 71*16kB (MH) 7*32kB (H) 4*64kB (H) 2*128kB (UH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18192kB [ 1046.852508] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1046.863303] Node 1 Normal: 374*4kB (UME) 183*8kB (ME) 155*16kB (M) 184*32kB (ME) 103*64kB (M) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26368kB [ 1046.879215] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1046.888131] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1046.896789] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1046.905801] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1046.914444] 954 total pagecache pages [ 1046.918243] 0 pages in swap cache [ 1046.921734] Swap cache stats: add 0, delete 0, find 0/0 [ 1046.927140] Free swap = 0kB [ 1046.933586] Total swap = 0kB [ 1046.936623] 1965979 pages RAM [ 1046.939719] 0 pages HighMem/MovableOnly [ 1046.944539] 335869 pages reserved [ 1046.947994] 0 pages cma reserved [ 1046.951428] Out of memory: Kill process 14527 (syz-executor.5) score 1005 or sacrifice child [ 1046.960099] Killed process 14527 (syz-executor.5) total-vm:72720kB, anon-rss:2216kB, file-rss:34816kB, shmem-rss:0kB [ 1047.053194] kworker/u4:6 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1047.065687] kworker/u4:6 cpuset=/ mems_allowed=0-1 [ 1047.072054] CPU: 0 PID: 8805 Comm: kworker/u4:6 Not tainted 4.14.167-syzkaller #0 [ 1047.079684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1047.089118] Workqueue: netns cleanup_net [ 1047.093182] Call Trace: [ 1047.095798] dump_stack+0x142/0x197 [ 1047.099439] dump_header+0x177/0x6cd [ 1047.103162] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1047.108263] ? ___ratelimit+0x55/0x537 [ 1047.112155] oom_kill_process.cold+0x10/0xadd [ 1047.116654] ? oom_unkillable_task+0x294/0x390 [ 1047.121242] ? lock_downgrade+0x740/0x740 [ 1047.125395] out_of_memory+0x2ee/0x1180 [ 1047.129375] ? lock_acquire+0x16f/0x430 [ 1047.133361] ? oom_killer_disable+0x1d0/0x1d0 [ 1047.137857] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1047.142795] __alloc_pages_slowpath+0x2251/0x2930 [ 1047.147648] ? warn_alloc+0xf0/0xf0 [ 1047.151286] ? __might_sleep+0x93/0xb0 [ 1047.155174] __alloc_pages_nodemask+0x62c/0x7a0 [ 1047.159852] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1047.164878] ? cache_grow_begin+0x335/0x400 [ 1047.169210] cache_grow_begin+0x80/0x400 [ 1047.173339] ? __cpuset_node_allowed+0xff/0x450 [ 1047.178008] fallback_alloc+0x1fd/0x2c0 [ 1047.181988] ____cache_alloc_node+0x1be/0x1d0 [ 1047.186491] kmem_cache_alloc_node+0xe3/0x780 [ 1047.191039] __alloc_skb+0x9c/0x500 [ 1047.194672] ? skb_trim+0x180/0x180 [ 1047.198373] ? if_nlmsg_size+0x38f/0x810 [ 1047.202435] rtmsg_ifinfo_build_skb+0x72/0x140 [ 1047.207018] rollback_registered_many+0x78f/0xb60 [ 1047.211856] ? netdev_info+0xf0/0xf0 [ 1047.215577] ? save_trace+0x290/0x290 [ 1047.219377] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1047.224309] unregister_netdevice_many.part.0+0x1b/0x1e0 [ 1047.229766] unregister_netdevice_many+0x3b/0x50 [ 1047.234576] ip_tunnel_delete_net+0x273/0x330 [ 1047.239073] ? __ip_tunnel_create+0x450/0x450 [ 1047.243555] ipip_exit_net+0x11b/0x1f0 [ 1047.247421] ? ipip_rcv+0x20/0x20 [ 1047.250892] ops_exit_list.isra.0+0xaa/0x150 [ 1047.255306] cleanup_net+0x3ba/0x870 [ 1047.259020] ? net_drop_ns+0x80/0x80 [ 1047.262737] ? __lock_is_held+0xb6/0x140 [ 1047.266793] ? check_preemption_disabled+0x3c/0x250 [ 1047.271805] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1047.277329] process_one_work+0x863/0x1600 [ 1047.281642] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1047.286322] worker_thread+0x5d9/0x1050 [ 1047.290313] kthread+0x319/0x430 [ 1047.293679] ? process_one_work+0x1600/0x1600 [ 1047.298175] ? kthread_create_on_node+0xd0/0xd0 [ 1047.302860] ret_from_fork+0x24/0x30 [ 1047.315522] Mem-Info: [ 1047.317968] active_anon:169113 inactive_anon:483 isolated_anon:0 [ 1047.317968] active_file:209 inactive_file:215 isolated_file:0 [ 1047.317968] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1047.317968] slab_reclaimable:14680 slab_unreclaimable:118523 [ 1047.317968] mapped:52290 shmem:537 pagetables:5633 bounce:0 [ 1047.317968] free:13741 free_pcp:38 free_cma:0 [ 1047.351568] Node 0 active_anon:603440kB inactive_anon:1924kB active_file:912kB inactive_file:736kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1047.379827] Node 1 active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1047.406229] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:24kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1047.437088] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1047.442982] Node 0 DMA32 free:18096kB min:36380kB low:45472kB high:54564kB active_anon:603392kB inactive_anon:1924kB active_file:772kB inactive_file:804kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10336kB pagetables:20604kB bounce:0kB free_pcp:192kB local_pcp:72kB free_cma:0kB [ 1047.475975] lowmem_reserve[]: 0 0 0 0 0 [ 1047.480006] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1047.505398] lowmem_reserve[]: 0 0 0 0 0 [ 1047.509400] Node 1 Normal free:26368kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1047.538049] lowmem_reserve[]: 0 0 0 0 0 [ 1047.542096] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1047.558252] Node 0 DMA32: 2132*4kB (UMEH) 977*8kB (UMEH) 69*16kB (UMH) 7*32kB (H) 5*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18120kB [ 1047.573561] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1047.584356] Node 1 Normal: 374*4kB (UME) 183*8kB (ME) 155*16kB (M) 184*32kB (ME) 103*64kB (M) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26368kB [ 1047.601123] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1047.609984] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1047.618616] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1047.627534] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1047.636228] 954 total pagecache pages [ 1047.647209] 0 pages in swap cache [ 1047.650773] Swap cache stats: add 0, delete 0, find 0/0 [ 1047.658188] Free swap = 0kB [ 1047.666014] Total swap = 0kB [ 1047.669356] 1965979 pages RAM [ 1047.672536] 0 pages HighMem/MovableOnly [ 1047.676783] 335869 pages reserved [ 1047.690193] 0 pages cma reserved [ 1047.694015] Out of memory: Kill process 14531 (syz-executor.4) score 1005 or sacrifice child [ 1047.710836] Killed process 14531 (syz-executor.4) total-vm:72720kB, anon-rss:2216kB, file-rss:34816kB, shmem-rss:0kB [ 1047.770949] oom_reaper: reaped process 14531 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1047.815984] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1047.831666] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1047.836466] CPU: 1 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1047.843903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1047.853250] Call Trace: [ 1047.855844] dump_stack+0x142/0x197 [ 1047.859476] dump_header+0x177/0x6cd [ 1047.863194] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1047.868282] ? ___ratelimit+0x55/0x537 [ 1047.872163] oom_kill_process.cold+0x10/0xadd [ 1047.876711] ? oom_unkillable_task+0x294/0x390 [ 1047.881296] ? lock_downgrade+0x740/0x740 [ 1047.885442] out_of_memory+0x2ee/0x1180 [ 1047.889398] ? lock_acquire+0x16f/0x430 [ 1047.893371] ? oom_killer_disable+0x1d0/0x1d0 [ 1047.897869] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1047.902902] __alloc_pages_slowpath+0x2251/0x2930 [ 1047.907743] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1047.912589] ? warn_alloc+0xf0/0xf0 [ 1047.916230] ? __might_sleep+0x93/0xb0 [ 1047.920116] __alloc_pages_nodemask+0x62c/0x7a0 [ 1047.924788] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1047.929806] ? lock_downgrade+0x740/0x740 [ 1047.933964] alloc_pages_current+0xec/0x1e0 [ 1047.938283] __page_cache_alloc+0x248/0x3e0 [ 1047.942610] filemap_fault+0xcef/0x1de0 [ 1047.946586] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1047.951533] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1047.956214] ? lock_acquire+0x16f/0x430 [ 1047.960185] ? ext4_filemap_fault+0x7b/0xb0 [ 1047.964527] ext4_filemap_fault+0x83/0xb0 [ 1047.968675] __do_fault+0x104/0x390 [ 1047.972304] __handle_mm_fault+0x23bd/0x33d0 [ 1047.976723] ? copy_page_range+0x1de0/0x1de0 [ 1047.981143] ? find_held_lock+0x35/0x130 [ 1047.985207] ? handle_mm_fault+0x1b6/0x7c0 [ 1047.989442] handle_mm_fault+0x293/0x7c0 [ 1047.993502] __do_page_fault+0x4c1/0xb80 [ 1047.997658] ? vmalloc_fault+0xe30/0xe30 [ 1048.001719] ? page_fault+0x2f/0x50 [ 1048.005361] do_page_fault+0x71/0x511 [ 1048.009170] ? page_fault+0x2f/0x50 [ 1048.012812] page_fault+0x45/0x50 [ 1048.016263] RIP: 0033:0x4284f0 [ 1048.019431] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1048.024780] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1048.032046] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1048.039311] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1048.046569] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1048.053839] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1048.074511] Mem-Info: [ 1048.076938] active_anon:168566 inactive_anon:483 isolated_anon:0 [ 1048.076938] active_file:247 inactive_file:191 isolated_file:0 [ 1048.076938] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1048.076938] slab_reclaimable:14680 slab_unreclaimable:118509 [ 1048.076938] mapped:52290 shmem:537 pagetables:5607 bounce:0 [ 1048.076938] free:13720 free_pcp:117 free_cma:0 [ 1048.115957] Node 0 active_anon:601252kB inactive_anon:1924kB active_file:912kB inactive_file:764kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1048.155342] Node 1 active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1048.193954] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:44kB inactive_file:16kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1048.227666] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1048.232777] Node 0 DMA32 free:18144kB min:36380kB low:45472kB high:54564kB active_anon:601204kB inactive_anon:1924kB active_file:940kB inactive_file:748kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10336kB pagetables:20500kB bounce:0kB free_pcp:452kB local_pcp:360kB free_cma:0kB [ 1048.262666] lowmem_reserve[]: 0 0 0 0 0 [ 1048.266677] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1048.293399] lowmem_reserve[]: 0 0 0 0 0 [ 1048.297409] Node 1 Normal free:26368kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1048.336441] lowmem_reserve[]: 0 0 0 0 0 [ 1048.346628] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1048.365412] Node 0 DMA32: 2135*4kB (UMEH) 982*8kB (UMEH) 62*16kB (MH) 8*32kB (UH) 5*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18092kB [ 1048.386694] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1048.397495] Node 1 Normal: 374*4kB (UME) 183*8kB (ME) 155*16kB (M) 184*32kB (ME) 103*64kB (M) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26368kB [ 1048.413272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1048.422179] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1048.430965] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1048.439806] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1048.448555] 959 total pagecache pages [ 1048.452990] 0 pages in swap cache [ 1048.456442] Swap cache stats: add 0, delete 0, find 0/0 [ 1048.468623] Free swap = 0kB [ 1048.471759] Total swap = 0kB [ 1048.474779] 1965979 pages RAM [ 1048.477874] 0 pages HighMem/MovableOnly [ 1048.485379] 335869 pages reserved [ 1048.488851] 0 pages cma reserved [ 1048.492293] Out of memory: Kill process 17930 (syz-executor.5) score 1005 or sacrifice child [ 1048.500924] Killed process 17930 (syz-executor.5) total-vm:72720kB, anon-rss:2216kB, file-rss:34816kB, shmem-rss:0kB [ 1048.539848] oom_reaper: reaped process 17930 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1048.563682] kworker/u4:6 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1048.576352] kworker/u4:6 cpuset=/ mems_allowed=0-1 [ 1048.581417] CPU: 0 PID: 8805 Comm: kworker/u4:6 Not tainted 4.14.167-syzkaller #0 [ 1048.589044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1048.598412] Workqueue: netns cleanup_net [ 1048.602479] Call Trace: [ 1048.605075] dump_stack+0x142/0x197 [ 1048.608707] dump_header+0x177/0x6cd [ 1048.612414] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1048.617502] ? ___ratelimit+0x55/0x537 [ 1048.621531] oom_kill_process.cold+0x10/0xadd [ 1048.626043] ? oom_unkillable_task+0x294/0x390 [ 1048.630623] ? lock_downgrade+0x740/0x740 [ 1048.634762] out_of_memory+0x2ee/0x1180 [ 1048.638745] ? lock_acquire+0x16f/0x430 [ 1048.642720] ? oom_killer_disable+0x1d0/0x1d0 [ 1048.647202] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1048.652126] __alloc_pages_slowpath+0x2251/0x2930 [ 1048.656961] ? warn_alloc+0xf0/0xf0 [ 1048.660575] ? __might_sleep+0x93/0xb0 [ 1048.664447] __alloc_pages_nodemask+0x62c/0x7a0 [ 1048.669101] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1048.674296] ? cache_grow_begin+0x335/0x400 [ 1048.678622] cache_grow_begin+0x80/0x400 [ 1048.682682] ? __cpuset_node_allowed+0xff/0x450 [ 1048.687330] fallback_alloc+0x1fd/0x2c0 [ 1048.691284] ____cache_alloc_node+0x1be/0x1d0 [ 1048.695763] kmem_cache_alloc_node+0xe3/0x780 [ 1048.700242] __alloc_skb+0x9c/0x500 [ 1048.703844] ? skb_trim+0x180/0x180 [ 1048.707449] ? if_nlmsg_size+0x38f/0x810 [ 1048.711501] rtmsg_ifinfo_build_skb+0x72/0x140 [ 1048.716065] rollback_registered_many+0x78f/0xb60 [ 1048.720888] ? netdev_info+0xf0/0xf0 [ 1048.724579] ? save_trace+0x290/0x290 [ 1048.728357] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1048.733283] unregister_netdevice_many.part.0+0x1b/0x1e0 [ 1048.738716] unregister_netdevice_many+0x3b/0x50 [ 1048.743457] ip_tunnel_delete_net+0x273/0x330 [ 1048.747932] ? __ip_tunnel_create+0x450/0x450 [ 1048.752446] ipip_exit_net+0x11b/0x1f0 [ 1048.756349] ? ipip_rcv+0x20/0x20 [ 1048.759798] ops_exit_list.isra.0+0xaa/0x150 [ 1048.764195] cleanup_net+0x3ba/0x870 [ 1048.767891] ? net_drop_ns+0x80/0x80 [ 1048.771596] ? __lock_is_held+0xb6/0x140 [ 1048.775648] ? check_preemption_disabled+0x3c/0x250 [ 1048.780649] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1048.786090] process_one_work+0x863/0x1600 [ 1048.790319] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1048.794970] worker_thread+0x5d9/0x1050 [ 1048.798931] kthread+0x319/0x430 [ 1048.802287] ? process_one_work+0x1600/0x1600 [ 1048.806768] ? kthread_create_on_node+0xd0/0xd0 [ 1048.811419] ret_from_fork+0x24/0x30 [ 1048.827271] Mem-Info: [ 1048.829709] active_anon:168026 inactive_anon:483 isolated_anon:0 [ 1048.829709] active_file:225 inactive_file:201 isolated_file:0 [ 1048.829709] unevictable:3 dirty:393 writeback:4 unstable:0 [ 1048.829709] slab_reclaimable:14680 slab_unreclaimable:118519 [ 1048.829709] mapped:52290 shmem:537 pagetables:5570 bounce:0 [ 1048.829709] free:13735 free_pcp:30 free_cma:0 [ 1048.869856] Node 0 active_anon:599092kB inactive_anon:1924kB active_file:1032kB inactive_file:768kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1540kB writeback:16kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1048.898235] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1048.924617] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:32kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1048.952040] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1048.957099] Node 0 DMA32 free:18248kB min:36380kB low:45472kB high:54564kB active_anon:599012kB inactive_anon:1924kB active_file:852kB inactive_file:756kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10304kB pagetables:20396kB bounce:0kB free_pcp:112kB local_pcp:112kB free_cma:0kB [ 1049.003651] lowmem_reserve[]: 0 0 0 0 0 [ 1049.007690] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1049.038491] lowmem_reserve[]: 0 0 0 0 0 [ 1049.047266] Node 1 Normal free:26368kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1049.075850] lowmem_reserve[]: 0 0 0 0 0 [ 1049.079865] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1049.096511] Node 0 DMA32: 2133*4kB (MEH) 983*8kB (MEH) 62*16kB (MH) 7*32kB (H) 4*64kB (H) 2*128kB (UH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18124kB [ 1049.110687] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1049.123511] Node 1 Normal: 374*4kB (UME) 183*8kB (ME) 155*16kB (M) 184*32kB (ME) 103*64kB (M) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26368kB [ 1049.139358] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1049.148263] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1049.161607] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1049.170515] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1049.179082] 963 total pagecache pages [ 1049.182938] 0 pages in swap cache [ 1049.186384] Swap cache stats: add 0, delete 0, find 0/0 [ 1049.191833] Free swap = 0kB [ 1049.194851] Total swap = 0kB [ 1049.197858] 1965979 pages RAM [ 1049.200982] 0 pages HighMem/MovableOnly [ 1049.204952] 335869 pages reserved [ 1049.208386] 0 pages cma reserved [ 1049.212608] Out of memory: Kill process 19243 (syz-executor.4) score 1005 or sacrifice child [ 1049.221421] Killed process 19243 (syz-executor.4) total-vm:72720kB, anon-rss:2216kB, file-rss:34816kB, shmem-rss:0kB [ 1049.261127] oom_reaper: reaped process 19243 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1049.287679] syz-executor.0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1049.302110] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1049.307534] CPU: 0 PID: 11876 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1049.315726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1049.325065] Call Trace: [ 1049.327644] dump_stack+0x142/0x197 [ 1049.331325] dump_header+0x177/0x6cd [ 1049.335024] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1049.340111] ? ___ratelimit+0x55/0x537 [ 1049.343988] oom_kill_process.cold+0x10/0xadd [ 1049.348483] ? oom_unkillable_task+0x294/0x390 [ 1049.353123] ? lock_downgrade+0x740/0x740 [ 1049.357270] out_of_memory+0x2ee/0x1180 [ 1049.361228] ? lock_acquire+0x16f/0x430 [ 1049.365226] ? oom_killer_disable+0x1d0/0x1d0 [ 1049.369804] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1049.374744] __alloc_pages_slowpath+0x2251/0x2930 [ 1049.379605] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1049.384501] ? warn_alloc+0xf0/0xf0 [ 1049.388120] ? __might_sleep+0x93/0xb0 [ 1049.391992] __alloc_pages_nodemask+0x62c/0x7a0 [ 1049.396688] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1049.401703] ? lock_downgrade+0x740/0x740 [ 1049.405842] alloc_pages_current+0xec/0x1e0 [ 1049.410149] __page_cache_alloc+0x248/0x3e0 [ 1049.414452] filemap_fault+0xcef/0x1de0 [ 1049.418508] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1049.423433] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1049.428089] ? lock_acquire+0x16f/0x430 [ 1049.432047] ? ext4_filemap_fault+0x7b/0xb0 [ 1049.436372] ext4_filemap_fault+0x83/0xb0 [ 1049.440600] __do_fault+0x104/0x390 [ 1049.444256] __handle_mm_fault+0x23bd/0x33d0 [ 1049.448692] ? copy_page_range+0x1de0/0x1de0 [ 1049.453096] ? find_held_lock+0x35/0x130 [ 1049.457145] ? handle_mm_fault+0x1b6/0x7c0 [ 1049.461378] handle_mm_fault+0x293/0x7c0 [ 1049.465427] __do_page_fault+0x4c1/0xb80 [ 1049.469471] ? vmalloc_fault+0xe30/0xe30 [ 1049.473536] ? page_fault+0x2f/0x50 [ 1049.477156] do_page_fault+0x71/0x511 [ 1049.480947] ? page_fault+0x2f/0x50 [ 1049.484588] page_fault+0x45/0x50 [ 1049.488021] RIP: 0033:0x41518a [ 1049.491194] RSP: 002b:00007ffd56835d98 EFLAGS: 00010246 [ 1049.496551] RAX: 0000000000000071 RBX: 0000000000d18940 RCX: 000000000041518a [ 1049.503808] RDX: 0000000040000000 RSI: 00007ffd56835dd0 RDI: ffffffffffffffff [ 1049.511066] RBP: 0000000000000b79 R08: 0000000000000001 R09: 0000000000000001 [ 1049.518355] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 1049.525628] R13: 00007ffd56835dd0 R14: 0000000000d1899b R15: 00007ffd56835de0 [ 1049.537018] Mem-Info: [ 1049.539461] active_anon:167477 inactive_anon:483 isolated_anon:0 [ 1049.539461] active_file:232 inactive_file:194 isolated_file:0 [ 1049.539461] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1049.539461] slab_reclaimable:14680 slab_unreclaimable:118535 [ 1049.539461] mapped:52290 shmem:537 pagetables:5555 bounce:0 [ 1049.539461] free:14232 free_pcp:59 free_cma:0 [ 1049.596363] Node 0 active_anon:596896kB inactive_anon:1924kB active_file:908kB inactive_file:740kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1049.624744] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1049.658299] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1049.685304] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1049.690365] Node 0 DMA32 free:18676kB min:36380kB low:45472kB high:54564kB active_anon:596848kB inactive_anon:1924kB active_file:888kB inactive_file:768kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10272kB pagetables:20292kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1049.722762] lowmem_reserve[]: 0 0 0 0 0 [ 1049.726895] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1049.752333] lowmem_reserve[]: 0 0 0 0 0 [ 1049.756345] Node 1 Normal free:26784kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:24kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1049.788360] lowmem_reserve[]: 0 0 0 0 0 [ 1049.797892] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1049.825830] Node 0 DMA32: 2146*4kB (MEH) 983*8kB (UMEH) 63*16kB (MH) 8*32kB (UH) 4*64kB (H) 1*128kB (H) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18352kB [ 1049.865183] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1049.890846] Node 1 Normal: 372*4kB (ME) 183*8kB (ME) 155*16kB (M) 184*32kB (ME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26296kB [ 1049.906687] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1049.916179] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1049.924827] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1049.935753] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1049.945390] 956 total pagecache pages [ 1049.949207] 0 pages in swap cache [ 1049.953521] Swap cache stats: add 0, delete 0, find 0/0 [ 1049.958897] Free swap = 0kB [ 1049.964719] Total swap = 0kB [ 1049.967752] 1965979 pages RAM [ 1049.976779] 0 pages HighMem/MovableOnly [ 1049.980831] 335869 pages reserved [ 1049.984276] 0 pages cma reserved [ 1049.987649] Out of memory: Kill process 15759 (syz-executor.1) score 1005 or sacrifice child [ 1050.002067] Killed process 15759 (syz-executor.1) total-vm:72720kB, anon-rss:2212kB, file-rss:34816kB, shmem-rss:0kB [ 1050.046850] oom_reaper: reaped process 15759 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1050.068946] udevd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 1050.097910] udevd cpuset=/ mems_allowed=0-1 [ 1050.106132] CPU: 0 PID: 3719 Comm: udevd Not tainted 4.14.167-syzkaller #0 [ 1050.113175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1050.122552] Call Trace: [ 1050.125174] dump_stack+0x142/0x197 [ 1050.128803] dump_header+0x177/0x6cd [ 1050.132514] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1050.137653] ? ___ratelimit+0x55/0x537 [ 1050.141679] oom_kill_process.cold+0x10/0xadd [ 1050.146175] ? oom_unkillable_task+0x294/0x390 [ 1050.150766] ? lock_downgrade+0x740/0x740 [ 1050.154928] out_of_memory+0x2ee/0x1180 [ 1050.159004] ? lock_acquire+0x16f/0x430 [ 1050.162984] ? oom_killer_disable+0x1d0/0x1d0 [ 1050.167484] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1050.172424] __alloc_pages_slowpath+0x2251/0x2930 [ 1050.177268] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1050.182116] ? warn_alloc+0xf0/0xf0 [ 1050.185786] ? __might_sleep+0x93/0xb0 [ 1050.189713] __alloc_pages_nodemask+0x62c/0x7a0 [ 1050.194385] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1050.199402] ? lock_downgrade+0x740/0x740 [ 1050.203559] alloc_pages_current+0xec/0x1e0 [ 1050.207884] __page_cache_alloc+0x248/0x3e0 [ 1050.212204] filemap_fault+0xcef/0x1de0 [ 1050.216172] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1050.221104] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1050.225782] ? lock_acquire+0x16f/0x430 [ 1050.229810] ? ext4_filemap_fault+0x7b/0xb0 [ 1050.234133] ext4_filemap_fault+0x83/0xb0 [ 1050.238280] __do_fault+0x104/0x390 [ 1050.241902] __handle_mm_fault+0x23bd/0x33d0 [ 1050.246313] ? copy_page_range+0x1de0/0x1de0 [ 1050.250731] ? find_held_lock+0x35/0x130 [ 1050.254799] ? handle_mm_fault+0x1b6/0x7c0 [ 1050.259037] handle_mm_fault+0x293/0x7c0 [ 1050.263082] __do_page_fault+0x4c1/0xb80 [ 1050.267136] ? vmalloc_fault+0xe30/0xe30 [ 1050.271191] ? page_fault+0x2f/0x50 [ 1050.274815] do_page_fault+0x71/0x511 [ 1050.278617] ? page_fault+0x2f/0x50 [ 1050.282251] page_fault+0x45/0x50 [ 1050.285709] RIP: 0033:0x7efdc30dd943 [ 1050.289402] RSP: 002b:00007fffcf6d44d8 EFLAGS: 00010246 [ 1050.294757] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 00007efdc30dd943 [ 1050.302028] RDX: 0000000000000008 RSI: 00007fffcf6d45d0 RDI: 000000000000000a [ 1050.309339] RBP: 0000000001cb9a60 R08: 0000000000000000 R09: 0000000000000000 [ 1050.316646] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 1050.323929] R13: 0000000000000000 R14: 0000000001cc8b90 R15: 0000000001caa030 [ 1050.343552] Mem-Info: [ 1050.346913] active_anon:166932 inactive_anon:483 isolated_anon:0 [ 1050.346913] active_file:205 inactive_file:221 isolated_file:0 [ 1050.346913] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1050.346913] slab_reclaimable:14680 slab_unreclaimable:118154 [ 1050.346913] mapped:52290 shmem:537 pagetables:5529 bounce:0 [ 1050.346913] free:13713 free_pcp:57 free_cma:0 [ 1050.386231] Node 0 active_anon:594716kB inactive_anon:1924kB active_file:836kB inactive_file:808kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1050.420258] Node 1 active_anon:73012kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1050.446645] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1050.477810] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1050.482930] Node 0 DMA32 free:18120kB min:36380kB low:45472kB high:54564kB active_anon:594668kB inactive_anon:1924kB active_file:912kB inactive_file:752kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10240kB pagetables:20188kB bounce:0kB free_pcp:244kB local_pcp:4kB free_cma:0kB [ 1050.512525] lowmem_reserve[]: 0 0 0 0 0 [ 1050.516539] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1050.549162] lowmem_reserve[]: 0 0 0 0 0 [ 1050.553284] Node 1 Normal free:26460kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:0kB inactive_file:36kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1050.584135] lowmem_reserve[]: 0 0 0 0 0 [ 1050.588157] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1050.619945] Node 0 DMA32: 2144*4kB (UMEH) 982*8kB (MEH) 62*16kB (MH) 8*32kB (UH) 5*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18128kB [ 1050.644217] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1050.655061] Node 1 Normal: 373*4kB (ME) 201*8kB (UME) 156*16kB (UM) 184*32kB (ME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26460kB [ 1050.671813] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1050.680794] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1050.689415] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1050.698337] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1050.706963] 967 total pagecache pages [ 1050.710820] 0 pages in swap cache [ 1050.714279] Swap cache stats: add 0, delete 0, find 0/0 [ 1050.719634] Free swap = 0kB [ 1050.722728] Total swap = 0kB [ 1050.725745] 1965979 pages RAM [ 1050.728843] 0 pages HighMem/MovableOnly [ 1050.736048] 335869 pages reserved [ 1050.739506] 0 pages cma reserved [ 1050.742902] Out of memory: Kill process 13874 (syz-executor.1) score 1005 or sacrifice child [ 1050.752489] Killed process 13874 (syz-executor.1) total-vm:72720kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB [ 1050.876433] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1050.909506] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1050.920327] CPU: 1 PID: 7249 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1050.927814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1050.937218] Call Trace: [ 1050.939834] dump_stack+0x142/0x197 [ 1050.943462] dump_header+0x177/0x6cd [ 1050.947163] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1050.952251] ? ___ratelimit+0x55/0x537 [ 1050.956147] oom_kill_process.cold+0x10/0xadd [ 1050.960637] ? oom_unkillable_task+0x294/0x390 [ 1050.965336] ? lock_downgrade+0x740/0x740 [ 1050.969470] out_of_memory+0x2ee/0x1180 [ 1050.973452] ? lock_acquire+0x16f/0x430 [ 1050.977416] ? oom_killer_disable+0x1d0/0x1d0 [ 1050.981900] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1050.986868] __alloc_pages_slowpath+0x2251/0x2930 [ 1050.991709] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1050.996557] ? warn_alloc+0xf0/0xf0 [ 1051.000186] ? __might_sleep+0x93/0xb0 [ 1051.004096] __alloc_pages_nodemask+0x62c/0x7a0 [ 1051.008766] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1051.013767] ? lock_downgrade+0x740/0x740 [ 1051.017947] alloc_pages_current+0xec/0x1e0 [ 1051.022267] __page_cache_alloc+0x248/0x3e0 [ 1051.026604] filemap_fault+0xcef/0x1de0 [ 1051.030591] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1051.035515] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1051.040229] ? lock_acquire+0x16f/0x430 [ 1051.044195] ? ext4_filemap_fault+0x7b/0xb0 [ 1051.048816] ext4_filemap_fault+0x83/0xb0 [ 1051.052963] __do_fault+0x104/0x390 [ 1051.056575] __handle_mm_fault+0x23bd/0x33d0 [ 1051.060979] ? copy_page_range+0x1de0/0x1de0 [ 1051.065377] ? find_held_lock+0x35/0x130 [ 1051.069431] ? handle_mm_fault+0x1b6/0x7c0 [ 1051.073705] handle_mm_fault+0x293/0x7c0 [ 1051.077753] __do_page_fault+0x4c1/0xb80 [ 1051.081799] ? vmalloc_fault+0xe30/0xe30 [ 1051.085851] ? page_fault+0x2f/0x50 [ 1051.089507] do_page_fault+0x71/0x511 [ 1051.093321] ? page_fault+0x2f/0x50 [ 1051.096942] page_fault+0x45/0x50 [ 1051.100379] RIP: 0033:0x45b153 [ 1051.103550] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206 [ 1051.108894] RAX: ffffffffffffff92 RBX: 000000003b4f37a3 RCX: 000000000045b153 [ 1051.116183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e120a0 [ 1051.123551] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1051.130866] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c427908218 [ 1051.138166] R13: 000000000000007f R14: 0000000000c8b140 R15: 0000000000000213 [ 1051.149574] Mem-Info: [ 1051.163782] active_anon:166387 inactive_anon:483 isolated_anon:0 [ 1051.163782] active_file:257 inactive_file:179 isolated_file:32 [ 1051.163782] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1051.163782] slab_reclaimable:14680 slab_unreclaimable:118144 [ 1051.163782] mapped:52290 shmem:537 pagetables:5503 bounce:0 [ 1051.163782] free:13715 free_pcp:57 free_cma:0 [ 1051.207514] Node 0 active_anon:592536kB inactive_anon:1924kB active_file:932kB inactive_file:808kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 137216kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1051.235802] Node 1 active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1051.267794] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1051.294583] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1051.299630] Node 0 DMA32 free:18016kB min:36380kB low:45472kB high:54564kB active_anon:592488kB inactive_anon:1924kB active_file:884kB inactive_file:752kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10240kB pagetables:20084kB bounce:0kB free_pcp:204kB local_pcp:108kB free_cma:0kB [ 1051.329560] lowmem_reserve[]: 0 0 0 0 0 [ 1051.333631] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1051.359190] lowmem_reserve[]: 0 0 0 0 0 [ 1051.363457] Node 1 Normal free:26460kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1051.398911] lowmem_reserve[]: 0 0 0 0 0 [ 1051.403087] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1051.418891] Node 0 DMA32: 2154*4kB (MEH) 975*8kB (UMEH) 63*16kB (UMH) 7*32kB (H) 5*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18096kB [ 1051.433356] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1051.449542] Node 1 Normal: 373*4kB (ME) 201*8kB (UME) 156*16kB (UM) 184*32kB (ME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26460kB [ 1051.465698] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1051.474601] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1051.483304] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1051.492196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1051.505395] 967 total pagecache pages [ 1051.509210] 0 pages in swap cache [ 1051.513121] Swap cache stats: add 0, delete 0, find 0/0 [ 1051.518497] Free swap = 0kB [ 1051.521667] Total swap = 0kB [ 1051.524685] 1965979 pages RAM [ 1051.527792] 0 pages HighMem/MovableOnly [ 1051.531832] 335869 pages reserved [ 1051.535278] 0 pages cma reserved [ 1051.538652] Out of memory: Kill process 14385 (syz-executor.5) score 1005 or sacrifice child [ 1051.547308] Killed process 14385 (syz-executor.5) total-vm:72588kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB [ 1051.683371] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1051.700833] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1051.705647] CPU: 1 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1051.713087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1051.722431] Call Trace: [ 1051.725023] dump_stack+0x142/0x197 [ 1051.728657] dump_header+0x177/0x6cd [ 1051.732357] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1051.737479] ? ___ratelimit+0x55/0x537 [ 1051.741364] oom_kill_process.cold+0x10/0xadd [ 1051.745860] ? oom_unkillable_task+0x294/0x390 [ 1051.750434] ? lock_downgrade+0x740/0x740 [ 1051.754607] out_of_memory+0x2ee/0x1180 [ 1051.758560] ? lock_acquire+0x16f/0x430 [ 1051.762541] ? oom_killer_disable+0x1d0/0x1d0 [ 1051.767024] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1051.772001] __alloc_pages_slowpath+0x2251/0x2930 [ 1051.776876] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1051.781825] ? warn_alloc+0xf0/0xf0 [ 1051.785462] ? __might_sleep+0x93/0xb0 [ 1051.789334] __alloc_pages_nodemask+0x62c/0x7a0 [ 1051.794004] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1051.799002] ? lock_downgrade+0x740/0x740 [ 1051.803173] alloc_pages_current+0xec/0x1e0 [ 1051.807480] __page_cache_alloc+0x248/0x3e0 [ 1051.811790] filemap_fault+0xcef/0x1de0 [ 1051.815782] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1051.820710] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1051.825376] ? lock_acquire+0x16f/0x430 [ 1051.829338] ? ext4_filemap_fault+0x7b/0xb0 [ 1051.833649] ext4_filemap_fault+0x83/0xb0 [ 1051.837792] __do_fault+0x104/0x390 [ 1051.841416] __handle_mm_fault+0x23bd/0x33d0 [ 1051.845827] ? copy_page_range+0x1de0/0x1de0 [ 1051.850265] ? find_held_lock+0x35/0x130 [ 1051.854311] ? handle_mm_fault+0x1b6/0x7c0 [ 1051.858576] handle_mm_fault+0x293/0x7c0 [ 1051.862646] __do_page_fault+0x4c1/0xb80 [ 1051.866691] ? vmalloc_fault+0xe30/0xe30 [ 1051.870734] ? page_fault+0x2f/0x50 [ 1051.874410] do_page_fault+0x71/0x511 [ 1051.878208] ? page_fault+0x2f/0x50 [ 1051.881826] page_fault+0x45/0x50 [ 1051.885273] RIP: 0033:0x4284f0 [ 1051.888444] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1051.893795] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1051.901047] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1051.908309] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1051.915570] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1051.922822] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1051.936525] Mem-Info: [ 1051.938977] active_anon:165845 inactive_anon:483 isolated_anon:0 [ 1051.938977] active_file:237 inactive_file:207 isolated_file:0 [ 1051.938977] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1051.938977] slab_reclaimable:14680 slab_unreclaimable:118158 [ 1051.938977] mapped:52290 shmem:537 pagetables:5477 bounce:0 [ 1051.938977] free:13747 free_pcp:30 free_cma:0 [ 1052.007725] Node 0 active_anon:590368kB inactive_anon:1924kB active_file:960kB inactive_file:776kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 135168kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1052.043526] Node 1 active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1052.069966] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:20kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1052.096640] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1052.103133] Node 0 DMA32 free:18140kB min:36380kB low:45472kB high:54564kB active_anon:590320kB inactive_anon:1924kB active_file:792kB inactive_file:744kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10208kB pagetables:19980kB bounce:0kB free_pcp:116kB local_pcp:100kB free_cma:0kB [ 1052.132940] lowmem_reserve[]: 0 0 0 0 0 [ 1052.136952] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1052.162516] lowmem_reserve[]: 0 0 0 0 0 [ 1052.166527] Node 1 Normal free:26460kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1052.195183] lowmem_reserve[]: 0 0 0 0 0 [ 1052.199193] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1052.219577] Node 0 DMA32: 2157*4kB (MEH) 961*8kB (MEH) 61*16kB (UMH) 8*32kB (UH) 6*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18060kB [ 1052.256189] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1052.267450] Node 1 Normal: 373*4kB (ME) 201*8kB (UME) 156*16kB (UM) 184*32kB (ME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26460kB [ 1052.287854] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1052.296822] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1052.305468] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1052.314374] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1052.322999] 966 total pagecache pages [ 1052.326798] 0 pages in swap cache [ 1052.336590] Swap cache stats: add 0, delete 0, find 0/0 [ 1052.342018] Free swap = 0kB [ 1052.345038] Total swap = 0kB [ 1052.348051] 1965979 pages RAM [ 1052.357811] 0 pages HighMem/MovableOnly [ 1052.364746] 335869 pages reserved [ 1052.368221] 0 pages cma reserved [ 1052.377888] Out of memory: Kill process 14533 (syz-executor.0) score 1005 or sacrifice child [ 1052.390114] Killed process 14533 (syz-executor.0) total-vm:72588kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB [ 1052.428721] oom_reaper: reaped process 14533 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1052.476397] cron invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1052.493286] cron cpuset=/ mems_allowed=0-1 [ 1052.497603] CPU: 1 PID: 7155 Comm: cron Not tainted 4.14.167-syzkaller #0 [ 1052.504516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1052.513857] Call Trace: [ 1052.516446] dump_stack+0x142/0x197 [ 1052.520066] ? uas_probe+0xf0/0x1320 [ 1052.523788] dump_header+0x177/0x6cd [ 1052.527500] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1052.532589] ? ___ratelimit+0x55/0x537 [ 1052.536472] oom_kill_process.cold+0x10/0xadd [ 1052.540963] ? rcu_read_unlock_special+0x639/0xd40 [ 1052.545904] ? lock_downgrade+0x740/0x740 [ 1052.550045] out_of_memory+0x2ee/0x1180 [ 1052.554020] ? lock_acquire+0x16f/0x430 [ 1052.557985] ? oom_killer_disable+0x1d0/0x1d0 [ 1052.562532] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1052.567480] __alloc_pages_slowpath+0x2251/0x2930 [ 1052.572325] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1052.577155] ? warn_alloc+0xf0/0xf0 [ 1052.580785] ? __might_sleep+0x93/0xb0 [ 1052.584674] __alloc_pages_nodemask+0x62c/0x7a0 [ 1052.589344] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1052.594352] ? lock_downgrade+0x740/0x740 [ 1052.598488] alloc_pages_current+0xec/0x1e0 [ 1052.602799] __page_cache_alloc+0x248/0x3e0 [ 1052.607236] filemap_fault+0xcef/0x1de0 [ 1052.611197] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1052.616131] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1052.620809] ? lock_acquire+0x16f/0x430 [ 1052.624778] ? ext4_filemap_fault+0x7b/0xb0 [ 1052.629088] ext4_filemap_fault+0x83/0xb0 [ 1052.633361] __do_fault+0x104/0x390 [ 1052.636973] __handle_mm_fault+0x23bd/0x33d0 [ 1052.641391] ? copy_page_range+0x1de0/0x1de0 [ 1052.645803] ? find_held_lock+0x35/0x130 [ 1052.649849] ? handle_mm_fault+0x1b6/0x7c0 [ 1052.654122] handle_mm_fault+0x293/0x7c0 [ 1052.658171] __do_page_fault+0x4c1/0xb80 [ 1052.662229] ? vmalloc_fault+0xe30/0xe30 [ 1052.666429] ? page_fault+0x2f/0x50 [ 1052.670065] do_page_fault+0x71/0x511 [ 1052.673906] ? page_fault+0x2f/0x50 [ 1052.677521] page_fault+0x45/0x50 [ 1052.680967] RIP: 0033:0x40320a [ 1052.684202] RSP: 002b:00007fff5d3ac440 EFLAGS: 00010202 [ 1052.689552] RAX: 0000000000000000 RBX: 000000000191c708 RCX: 00007ffb9b99de40 [ 1052.696844] RDX: 0000000000000000 RSI: 00007fff5d3ac400 RDI: 00007fff5d3ac400 [ 1052.704110] RBP: 0000000000000000 R08: 00007fff5d3ac260 R09: 0000000000000000 [ 1052.711367] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000004033c4 [ 1052.718665] R13: 00007fff5d3ac560 R14: 0000000000000000 R15: 0000000000000000 [ 1052.733827] Mem-Info: [ 1052.736263] active_anon:165308 inactive_anon:483 isolated_anon:0 [ 1052.736263] active_file:239 inactive_file:196 isolated_file:0 [ 1052.736263] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1052.736263] slab_reclaimable:14680 slab_unreclaimable:118151 [ 1052.736263] mapped:52290 shmem:537 pagetables:5440 bounce:0 [ 1052.736263] free:13747 free_pcp:56 free_cma:0 [ 1052.775591] Node 0 active_anon:588220kB inactive_anon:1924kB active_file:892kB inactive_file:768kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 135168kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1052.809439] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1052.841296] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:40kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1052.867877] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1052.872989] Node 0 DMA32 free:18144kB min:36380kB low:45472kB high:54564kB active_anon:588172kB inactive_anon:1924kB active_file:748kB inactive_file:796kB unevictable:12kB writepending:1480kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10144kB pagetables:19832kB bounce:0kB free_pcp:112kB local_pcp:0kB free_cma:0kB [ 1052.902606] lowmem_reserve[]: 0 0 0 0 0 [ 1052.906613] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1052.932143] lowmem_reserve[]: 0 0 0 0 0 [ 1052.936147] Node 1 Normal free:26460kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:28kB inactive_file:8kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1052.964635] lowmem_reserve[]: 0 0 0 0 0 [ 1052.968614] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1052.984352] Node 0 DMA32: 2204*4kB (UMEH) 969*8kB (UMEH) 61*16kB (UMH) 7*32kB (H) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18152kB [ 1052.998765] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1053.015650] Node 1 Normal: 373*4kB (ME) 201*8kB (UME) 156*16kB (UM) 184*32kB (ME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26460kB [ 1053.031615] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1053.041073] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1053.049654] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1053.058527] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1053.067200] 966 total pagecache pages [ 1053.071030] 0 pages in swap cache [ 1053.074475] Swap cache stats: add 0, delete 0, find 0/0 [ 1053.079830] Free swap = 0kB [ 1053.082920] Total swap = 0kB [ 1053.085927] 1965979 pages RAM [ 1053.089007] 0 pages HighMem/MovableOnly [ 1053.093029] 335869 pages reserved [ 1053.096468] 0 pages cma reserved [ 1053.099815] Out of memory: Kill process 14589 (syz-executor.5) score 1005 or sacrifice child [ 1053.108467] Killed process 14589 (syz-executor.5) total-vm:72588kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB [ 1053.150319] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1053.163023] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1053.167790] CPU: 1 PID: 7248 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1053.175242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1053.184590] Call Trace: [ 1053.187160] dump_stack+0x142/0x197 [ 1053.190772] ? perf_trace_drv_tdls_recv_channel_switch+0x540/0xd90 [ 1053.197072] dump_header+0x177/0x6cd [ 1053.200767] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1053.205850] ? ___ratelimit+0x55/0x537 [ 1053.209718] oom_kill_process.cold+0x10/0xadd [ 1053.214194] ? oom_unkillable_task+0x294/0x390 [ 1053.218827] ? lock_downgrade+0x740/0x740 [ 1053.222962] out_of_memory+0x2ee/0x1180 [ 1053.226941] ? lock_acquire+0x16f/0x430 [ 1053.230906] ? oom_killer_disable+0x1d0/0x1d0 [ 1053.235396] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1053.240314] __alloc_pages_slowpath+0x2251/0x2930 [ 1053.245142] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1053.249976] ? warn_alloc+0xf0/0xf0 [ 1053.253610] ? __might_sleep+0x93/0xb0 [ 1053.257486] __alloc_pages_nodemask+0x62c/0x7a0 [ 1053.262141] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1053.267153] ? lock_downgrade+0x740/0x740 [ 1053.271300] alloc_pages_current+0xec/0x1e0 [ 1053.275606] __page_cache_alloc+0x248/0x3e0 [ 1053.279913] filemap_fault+0xcef/0x1de0 [ 1053.283870] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1053.288786] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1053.293940] ? lock_acquire+0x16f/0x430 [ 1053.297911] ? ext4_filemap_fault+0x7b/0xb0 [ 1053.302220] ext4_filemap_fault+0x83/0xb0 [ 1053.306356] __do_fault+0x104/0x390 [ 1053.309970] __handle_mm_fault+0x23bd/0x33d0 [ 1053.314376] ? copy_page_range+0x1de0/0x1de0 [ 1053.318768] ? find_held_lock+0x35/0x130 [ 1053.322827] ? handle_mm_fault+0x1b6/0x7c0 [ 1053.327061] handle_mm_fault+0x293/0x7c0 [ 1053.331103] __do_page_fault+0x4c1/0xb80 [ 1053.335165] ? vmalloc_fault+0xe30/0xe30 [ 1053.339210] ? page_fault+0x2f/0x50 [ 1053.342830] do_page_fault+0x71/0x511 [ 1053.346613] ? page_fault+0x2f/0x50 [ 1053.350221] page_fault+0x45/0x50 [ 1053.353657] RIP: 0033:0x40ec10 [ 1053.356913] RSP: 002b:000000c42004fee0 EFLAGS: 00010216 [ 1053.362262] RAX: 0000000001e2bbd8 RBX: 0000000000000006 RCX: 000000c420000480 [ 1053.369522] RDX: 0000000022964e6e RSI: 000000c42004ff10 RDI: 000000c42004feec [ 1053.376775] RBP: 000000c42004ff18 R08: 00007fffb93ee000 R09: 00000117240ba8b2 [ 1053.384027] R10: 00114b2737000000 R11: 0000000000000001 R12: 000000000042f0a0 [ 1053.391276] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 1053.400566] Mem-Info: [ 1053.402991] active_anon:164752 inactive_anon:483 isolated_anon:0 [ 1053.402991] active_file:223 inactive_file:207 isolated_file:0 [ 1053.402991] unevictable:3 dirty:400 writeback:0 unstable:0 [ 1053.402991] slab_reclaimable:14680 slab_unreclaimable:118180 [ 1053.402991] mapped:52290 shmem:537 pagetables:5425 bounce:0 [ 1053.402991] free:13799 free_pcp:0 free_cma:0 [ 1053.438595] Node 0 active_anon:585996kB inactive_anon:1924kB active_file:920kB inactive_file:780kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1568kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 131072kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1053.476840] Node 1 active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1053.503224] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1053.546924] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1053.556592] Node 0 DMA32 free:18004kB min:36380kB low:45472kB high:54564kB active_anon:585948kB inactive_anon:1924kB active_file:992kB inactive_file:684kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10112kB pagetables:19772kB bounce:0kB free_pcp:192kB local_pcp:76kB free_cma:0kB [ 1053.586358] lowmem_reserve[]: 0 0 0 0 0 [ 1053.591551] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1053.616957] lowmem_reserve[]: 0 0 0 0 0 [ 1053.620998] Node 1 Normal free:26460kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1053.649479] lowmem_reserve[]: 0 0 0 0 0 [ 1053.653504] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1053.679591] Node 0 DMA32: 2201*4kB (UMEH) 971*8kB (UMEH) 62*16kB (UMH) 8*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18204kB [ 1053.698422] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1053.709522] Node 1 Normal: 373*4kB (ME) 201*8kB (UME) 156*16kB (UM) 184*32kB (ME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26460kB [ 1053.725390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1053.734286] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1053.745881] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1053.757742] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1053.766455] 965 total pagecache pages [ 1053.770345] 0 pages in swap cache [ 1053.773838] Swap cache stats: add 0, delete 0, find 0/0 [ 1053.779208] Free swap = 0kB [ 1053.782290] Total swap = 0kB [ 1053.785310] 1965979 pages RAM [ 1053.788407] 0 pages HighMem/MovableOnly [ 1053.795543] 335869 pages reserved [ 1053.799018] 0 pages cma reserved [ 1053.813093] Out of memory: Kill process 14656 (syz-executor.2) score 1005 or sacrifice child [ 1053.823014] Killed process 14656 (syz-executor.2) total-vm:72588kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB [ 1053.868261] syz-executor.0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1053.881681] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1053.887086] CPU: 0 PID: 11876 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1053.894966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1053.904313] Call Trace: [ 1053.906941] dump_stack+0x142/0x197 [ 1053.910560] dump_header+0x177/0x6cd [ 1053.914277] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1053.919381] ? ___ratelimit+0x55/0x537 [ 1053.923272] oom_kill_process.cold+0x10/0xadd [ 1053.927770] ? oom_unkillable_task+0x294/0x390 [ 1053.932365] ? lock_downgrade+0x740/0x740 [ 1053.936521] out_of_memory+0x2ee/0x1180 [ 1053.940494] ? lock_acquire+0x16f/0x430 [ 1053.944499] ? oom_killer_disable+0x1d0/0x1d0 [ 1053.948995] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1053.953927] __alloc_pages_slowpath+0x2251/0x2930 [ 1053.958787] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1053.963721] ? warn_alloc+0xf0/0xf0 [ 1053.967359] ? __might_sleep+0x93/0xb0 [ 1053.971245] __alloc_pages_nodemask+0x62c/0x7a0 [ 1053.975926] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1053.980946] ? lock_downgrade+0x740/0x740 [ 1053.985110] alloc_pages_current+0xec/0x1e0 [ 1053.989438] __page_cache_alloc+0x248/0x3e0 [ 1053.993768] filemap_fault+0xcef/0x1de0 [ 1053.997745] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1054.002686] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1054.007374] ? lock_acquire+0x16f/0x430 [ 1054.011342] ? ext4_filemap_fault+0x7b/0xb0 [ 1054.015679] ext4_filemap_fault+0x83/0xb0 [ 1054.019832] __do_fault+0x104/0x390 [ 1054.023491] __handle_mm_fault+0x23bd/0x33d0 [ 1054.027907] ? copy_page_range+0x1de0/0x1de0 [ 1054.032322] ? find_held_lock+0x35/0x130 [ 1054.036382] ? handle_mm_fault+0x1b6/0x7c0 [ 1054.040632] handle_mm_fault+0x293/0x7c0 [ 1054.044699] __do_page_fault+0x4c1/0xb80 [ 1054.048815] ? vmalloc_fault+0xe30/0xe30 [ 1054.052870] ? page_fault+0x2f/0x50 [ 1054.056506] do_page_fault+0x71/0x511 [ 1054.060308] ? page_fault+0x2f/0x50 [ 1054.064053] page_fault+0x45/0x50 [ 1054.067504] RIP: 0033:0x41518a [ 1054.070694] RSP: 002b:00007ffd56835d98 EFLAGS: 00010246 [ 1054.076061] RAX: 0000000000000071 RBX: 0000000000d18940 RCX: 000000000041518a [ 1054.083341] RDX: 0000000040000000 RSI: 00007ffd56835dd0 RDI: ffffffffffffffff [ 1054.090610] RBP: 0000000000000b79 R08: 0000000000000001 R09: 0000000000000001 [ 1054.097887] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 1054.105180] R13: 00007ffd56835dd0 R14: 0000000000d1899b R15: 00007ffd56835de0 [ 1054.132253] Mem-Info: [ 1054.135238] active_anon:164208 inactive_anon:483 isolated_anon:0 [ 1054.135238] active_file:255 inactive_file:200 isolated_file:0 [ 1054.135238] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1054.135238] slab_reclaimable:14680 slab_unreclaimable:118193 [ 1054.135238] mapped:52290 shmem:537 pagetables:5399 bounce:0 [ 1054.135238] free:13748 free_pcp:61 free_cma:0 [ 1054.178893] Node 0 active_anon:583820kB inactive_anon:1924kB active_file:908kB inactive_file:704kB unevictable:12kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 129024kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1054.207404] Node 1 active_anon:73012kB inactive_anon:8kB active_file:8kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1054.233896] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:44kB inactive_file:16kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1054.265126] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1054.270456] Node 0 DMA32 free:18180kB min:36380kB low:45472kB high:54564kB active_anon:583772kB inactive_anon:1924kB active_file:836kB inactive_file:832kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10080kB pagetables:19668kB bounce:0kB free_pcp:232kB local_pcp:108kB free_cma:0kB [ 1054.308643] lowmem_reserve[]: 0 0 0 0 0 [ 1054.327211] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1054.356475] lowmem_reserve[]: 0 0 0 0 0 [ 1054.360822] Node 1 Normal free:26460kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:32kB inactive_file:4kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1054.389213] lowmem_reserve[]: 0 0 0 0 0 [ 1054.393324] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1054.409127] Node 0 DMA32: 2195*4kB (UMEH) 961*8kB (UMEH) 58*16kB (MH) 8*32kB (UH) 4*64kB (H) 2*128kB (UH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18164kB [ 1054.424960] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1054.439270] Node 1 Normal: 373*4kB (ME) 201*8kB (UME) 156*16kB (UM) 184*32kB (ME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26460kB [ 1054.459516] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1054.468446] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1054.478893] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1054.487843] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1054.496479] 965 total pagecache pages [ 1054.500353] 0 pages in swap cache [ 1054.503804] Swap cache stats: add 0, delete 0, find 0/0 [ 1054.509168] Free swap = 0kB [ 1054.512227] Total swap = 0kB [ 1054.515259] 1965979 pages RAM [ 1054.518356] 0 pages HighMem/MovableOnly [ 1054.522402] 335869 pages reserved [ 1054.525847] 0 pages cma reserved [ 1054.529192] Out of memory: Kill process 15492 (syz-executor.1) score 1005 or sacrifice child [ 1054.537847] Killed process 15492 (syz-executor.1) total-vm:72720kB, anon-rss:2220kB, file-rss:34688kB, shmem-rss:0kB [ 1054.595025] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1054.613855] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1054.619282] CPU: 1 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1054.627078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1054.636440] Call Trace: [ 1054.639015] dump_stack+0x142/0x197 [ 1054.642659] dump_header+0x177/0x6cd [ 1054.646368] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1054.651455] ? ___ratelimit+0x55/0x537 [ 1054.655418] oom_kill_process.cold+0x10/0xadd [ 1054.660019] ? oom_unkillable_task+0x294/0x390 [ 1054.664604] ? lock_downgrade+0x740/0x740 [ 1054.668746] out_of_memory+0x2ee/0x1180 [ 1054.672704] ? lock_acquire+0x16f/0x430 [ 1054.676660] ? oom_killer_disable+0x1d0/0x1d0 [ 1054.681167] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1054.686139] __alloc_pages_slowpath+0x2251/0x2930 [ 1054.690975] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1054.695814] ? warn_alloc+0xf0/0xf0 [ 1054.699453] ? __might_sleep+0x93/0xb0 [ 1054.703324] __alloc_pages_nodemask+0x62c/0x7a0 [ 1054.707978] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1054.712991] ? lock_downgrade+0x740/0x740 [ 1054.717133] alloc_pages_current+0xec/0x1e0 [ 1054.721438] __page_cache_alloc+0x248/0x3e0 [ 1054.725752] filemap_fault+0xcef/0x1de0 [ 1054.729710] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1054.734630] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1054.739298] ? lock_acquire+0x16f/0x430 [ 1054.743292] ? ext4_filemap_fault+0x7b/0xb0 [ 1054.747608] ext4_filemap_fault+0x83/0xb0 [ 1054.751800] __do_fault+0x104/0x390 [ 1054.755415] __handle_mm_fault+0x23bd/0x33d0 [ 1054.759806] ? copy_page_range+0x1de0/0x1de0 [ 1054.764219] ? find_held_lock+0x35/0x130 [ 1054.768265] ? handle_mm_fault+0x1b6/0x7c0 [ 1054.772491] handle_mm_fault+0x293/0x7c0 [ 1054.776539] __do_page_fault+0x4c1/0xb80 [ 1054.781291] ? vmalloc_fault+0xe30/0xe30 [ 1054.785337] ? page_fault+0x2f/0x50 [ 1054.788985] do_page_fault+0x71/0x511 [ 1054.792765] ? page_fault+0x2f/0x50 [ 1054.796388] page_fault+0x45/0x50 [ 1054.799850] RIP: 0033:0x41518a [ 1054.803045] RSP: 002b:00007fffe00b9d98 EFLAGS: 00010246 [ 1054.808401] RAX: 000000000000020d RBX: 0000000000000000 RCX: 000000000041518a [ 1054.815662] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1054.822913] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1054.830173] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1054.837466] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1054.846478] Mem-Info: [ 1054.848952] active_anon:163656 inactive_anon:483 isolated_anon:0 [ 1054.848952] active_file:213 inactive_file:215 isolated_file:0 [ 1054.848952] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1054.848952] slab_reclaimable:14680 slab_unreclaimable:117796 [ 1054.848952] mapped:52290 shmem:537 pagetables:5374 bounce:0 [ 1054.848952] free:14742 free_pcp:31 free_cma:0 [ 1054.908975] Node 0 active_anon:581612kB inactive_anon:1924kB active_file:900kB inactive_file:736kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 126976kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1054.946690] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1054.973165] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1054.999884] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1055.016927] Node 0 DMA32 free:18100kB min:36380kB low:45472kB high:54564kB active_anon:581564kB inactive_anon:1924kB active_file:824kB inactive_file:752kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10048kB pagetables:19568kB bounce:0kB free_pcp:244kB local_pcp:120kB free_cma:0kB [ 1055.054723] lowmem_reserve[]: 0 0 0 0 0 [ 1055.058768] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1055.084147] lowmem_reserve[]: 0 0 0 0 0 [ 1055.088149] Node 1 Normal free:26724kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1055.116944] lowmem_reserve[]: 0 0 0 0 0 [ 1055.123943] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1055.144113] Node 0 DMA32: 2206*4kB (UMEH) 963*8kB (MEH) 60*16kB (MH) 8*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18128kB [ 1055.158471] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1055.173130] Node 1 Normal: 373*4kB (ME) 184*8kB (UME) 163*16kB (UM) 187*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26724kB [ 1055.189266] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1055.203958] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1055.212588] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1055.227126] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1055.235798] 965 total pagecache pages [ 1055.239606] 0 pages in swap cache [ 1055.245965] Swap cache stats: add 0, delete 0, find 0/0 [ 1055.256733] Free swap = 0kB [ 1055.259782] Total swap = 0kB [ 1055.268852] 1965979 pages RAM [ 1055.277189] 0 pages HighMem/MovableOnly [ 1055.281264] 335869 pages reserved [ 1055.284739] 0 pages cma reserved [ 1055.288109] Out of memory: Kill process 13089 (syz-executor.1) score 1005 or sacrifice child [ 1055.303207] Killed process 13089 (syz-executor.1) total-vm:72852kB, anon-rss:2216kB, file-rss:34688kB, shmem-rss:0kB [ 1055.348412] oom_reaper: reaped process 13089 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1055.377058] cron invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1055.389464] cron cpuset=/ mems_allowed=0-1 [ 1055.395862] CPU: 0 PID: 7155 Comm: cron Not tainted 4.14.167-syzkaller #0 [ 1055.402815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1055.412179] Call Trace: [ 1055.414785] dump_stack+0x142/0x197 [ 1055.418466] ? uas_probe+0xf0/0x1320 [ 1055.422188] dump_header+0x177/0x6cd [ 1055.425902] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1055.431016] ? ___ratelimit+0x55/0x537 [ 1055.434920] oom_kill_process.cold+0x10/0xadd [ 1055.440123] ? oom_unkillable_task+0x294/0x390 [ 1055.444821] ? lock_downgrade+0x740/0x740 [ 1055.448980] out_of_memory+0x2ee/0x1180 [ 1055.453064] ? lock_acquire+0x16f/0x430 [ 1055.457051] ? oom_killer_disable+0x1d0/0x1d0 [ 1055.461555] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1055.466493] __alloc_pages_slowpath+0x2251/0x2930 [ 1055.471338] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1055.476184] ? warn_alloc+0xf0/0xf0 [ 1055.479835] ? __might_sleep+0x93/0xb0 [ 1055.483731] __alloc_pages_nodemask+0x62c/0x7a0 [ 1055.488457] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1055.493467] ? lock_downgrade+0x740/0x740 [ 1055.497604] alloc_pages_current+0xec/0x1e0 [ 1055.501930] __page_cache_alloc+0x248/0x3e0 [ 1055.506255] filemap_fault+0xcef/0x1de0 [ 1055.510232] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1055.515177] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1055.519848] ? lock_acquire+0x16f/0x430 [ 1055.523819] ? ext4_filemap_fault+0x7b/0xb0 [ 1055.528155] ext4_filemap_fault+0x83/0xb0 [ 1055.532308] __do_fault+0x104/0x390 [ 1055.535929] __handle_mm_fault+0x23bd/0x33d0 [ 1055.540333] ? copy_page_range+0x1de0/0x1de0 [ 1055.544857] ? find_held_lock+0x35/0x130 [ 1055.548926] ? handle_mm_fault+0x1b6/0x7c0 [ 1055.553184] handle_mm_fault+0x293/0x7c0 [ 1055.557242] __do_page_fault+0x4c1/0xb80 [ 1055.561366] ? vmalloc_fault+0xe30/0xe30 [ 1055.565431] ? page_fault+0x2f/0x50 [ 1055.569051] do_page_fault+0x71/0x511 [ 1055.572847] ? page_fault+0x2f/0x50 [ 1055.576485] page_fault+0x45/0x50 [ 1055.579939] RIP: 0033:0x40320a [ 1055.583126] RSP: 002b:00007fff5d3ac440 EFLAGS: 00010202 [ 1055.588578] RAX: 0000000000000000 RBX: 000000000191c708 RCX: 00007ffb9b99de40 [ 1055.595848] RDX: 0000000000000000 RSI: 00007fff5d3ac400 RDI: 00007fff5d3ac400 [ 1055.603119] RBP: 0000000000000000 R08: 00007fff5d3ac260 R09: 0000000000000000 [ 1055.610385] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000004033c4 [ 1055.617748] R13: 00007fff5d3ac560 R14: 0000000000000000 R15: 0000000000000000 [ 1055.634516] Mem-Info: [ 1055.637395] active_anon:163118 inactive_anon:483 isolated_anon:0 [ 1055.637395] active_file:204 inactive_file:240 isolated_file:0 [ 1055.637395] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1055.637395] slab_reclaimable:14680 slab_unreclaimable:117795 [ 1055.637395] mapped:52290 shmem:537 pagetables:5349 bounce:0 [ 1055.637395] free:13803 free_pcp:79 free_cma:0 [ 1055.676266] Node 0 active_anon:579460kB inactive_anon:1924kB active_file:896kB inactive_file:684kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 124928kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1055.709658] Node 1 active_anon:73012kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1055.743786] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:32kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1055.774106] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1055.779183] Node 0 DMA32 free:18128kB min:36380kB low:45472kB high:54564kB active_anon:579412kB inactive_anon:1924kB active_file:808kB inactive_file:808kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:10016kB pagetables:19468kB bounce:0kB free_pcp:172kB local_pcp:4kB free_cma:0kB [ 1055.825386] lowmem_reserve[]: 0 0 0 0 0 [ 1055.829432] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1055.861586] lowmem_reserve[]: 0 0 0 0 0 [ 1055.865615] Node 1 Normal free:26720kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1055.900790] lowmem_reserve[]: 0 0 0 0 0 [ 1055.904819] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1055.922775] Node 0 DMA32: 2190*4kB (UMEH) 962*8kB (UMEH) 59*16kB (UMH) 7*32kB (H) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18008kB [ 1055.938723] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1055.950264] Node 1 Normal: 374*4kB (UME) 183*8kB (ME) 163*16kB (UM) 187*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26720kB [ 1055.967193] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1055.976074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1055.985904] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1055.994798] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1056.003438] 965 total pagecache pages [ 1056.007244] 0 pages in swap cache [ 1056.010725] Swap cache stats: add 0, delete 0, find 0/0 [ 1056.016084] Free swap = 0kB [ 1056.019192] Total swap = 0kB [ 1056.022262] 1965979 pages RAM [ 1056.025382] 0 pages HighMem/MovableOnly [ 1056.029334] 335869 pages reserved [ 1056.032809] 0 pages cma reserved [ 1056.036169] Out of memory: Kill process 16155 (syz-executor.4) score 1005 or sacrifice child [ 1056.044852] Killed process 16155 (syz-executor.4) total-vm:72588kB, anon-rss:2208kB, file-rss:34688kB, shmem-rss:0kB [ 1056.096585] oom_reaper: reaped process 16155 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1056.172914] syz-executor.0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1056.185993] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1056.196191] CPU: 0 PID: 11876 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1056.204115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1056.213472] Call Trace: [ 1056.216065] dump_stack+0x142/0x197 [ 1056.219678] dump_header+0x177/0x6cd [ 1056.223395] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1056.228504] ? ___ratelimit+0x55/0x537 [ 1056.232679] oom_kill_process.cold+0x10/0xadd [ 1056.237170] ? oom_unkillable_task+0x294/0x390 [ 1056.241762] ? lock_downgrade+0x740/0x740 [ 1056.245919] out_of_memory+0x2ee/0x1180 [ 1056.249891] ? lock_acquire+0x16f/0x430 [ 1056.253872] ? oom_killer_disable+0x1d0/0x1d0 [ 1056.258380] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1056.263315] __alloc_pages_slowpath+0x2251/0x2930 [ 1056.268170] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1056.273199] ? warn_alloc+0xf0/0xf0 [ 1056.276867] ? __might_sleep+0x93/0xb0 [ 1056.280782] __alloc_pages_nodemask+0x62c/0x7a0 [ 1056.285458] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1056.290509] ? lock_downgrade+0x740/0x740 [ 1056.294682] alloc_pages_current+0xec/0x1e0 [ 1056.299013] __page_cache_alloc+0x248/0x3e0 [ 1056.303341] filemap_fault+0xcef/0x1de0 [ 1056.307315] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1056.312259] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1056.316930] ? lock_acquire+0x16f/0x430 [ 1056.320908] ? ext4_filemap_fault+0x7b/0xb0 [ 1056.325243] ext4_filemap_fault+0x83/0xb0 [ 1056.329397] __do_fault+0x104/0x390 [ 1056.333032] __handle_mm_fault+0x23bd/0x33d0 [ 1056.337440] ? copy_page_range+0x1de0/0x1de0 [ 1056.341850] ? find_held_lock+0x35/0x130 [ 1056.345906] ? handle_mm_fault+0x1b6/0x7c0 [ 1056.350149] handle_mm_fault+0x293/0x7c0 [ 1056.354210] __do_page_fault+0x4c1/0xb80 [ 1056.358264] ? vmalloc_fault+0xe30/0xe30 [ 1056.362318] ? page_fault+0x2f/0x50 [ 1056.365944] do_page_fault+0x71/0x511 [ 1056.369743] ? page_fault+0x2f/0x50 [ 1056.373366] page_fault+0x45/0x50 [ 1056.376815] RIP: 0033:0x41518a [ 1056.380007] RSP: 002b:00007ffd56835d98 EFLAGS: 00010246 [ 1056.385470] RAX: 0000000000000071 RBX: 0000000000d18940 RCX: 000000000041518a [ 1056.392734] RDX: 0000000040000000 RSI: 00007ffd56835dd0 RDI: ffffffffffffffff [ 1056.400062] RBP: 0000000000000b79 R08: 0000000000000001 R09: 0000000000000001 [ 1056.407328] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 1056.414591] R13: 00007ffd56835dd0 R14: 0000000000d1899b R15: 00007ffd56835de0 [ 1056.440216] Mem-Info: [ 1056.442781] active_anon:162574 inactive_anon:483 isolated_anon:0 [ 1056.442781] active_file:223 inactive_file:174 isolated_file:32 [ 1056.442781] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1056.442781] slab_reclaimable:14680 slab_unreclaimable:117781 [ 1056.442781] mapped:52290 shmem:537 pagetables:5324 bounce:0 [ 1056.442781] free:13801 free_pcp:85 free_cma:0 [ 1056.479012] Node 0 active_anon:577284kB inactive_anon:1924kB active_file:932kB inactive_file:752kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 122880kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1056.516938] Node 1 active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1056.543380] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:24kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1056.575866] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1056.581090] Node 0 DMA32 free:18308kB min:36380kB low:45472kB high:54564kB active_anon:577236kB inactive_anon:1924kB active_file:884kB inactive_file:704kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9984kB pagetables:19368kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1056.611814] lowmem_reserve[]: 0 0 0 0 0 [ 1056.615833] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1056.654768] lowmem_reserve[]: 0 0 0 0 0 [ 1056.658820] Node 1 Normal free:26708kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1056.687521] lowmem_reserve[]: 0 0 0 0 0 [ 1056.699351] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1056.717416] Node 0 DMA32: 2193*4kB (UMEH) 956*8kB (UMEH) 58*16kB (UMH) 7*32kB (H) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17956kB [ 1056.744728] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1056.755680] Node 1 Normal: 373*4kB (ME) 184*8kB (UME) 162*16kB (UM) 187*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26708kB [ 1056.779465] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1056.796944] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1056.805619] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1056.817331] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1056.825976] 965 total pagecache pages [ 1056.829827] 0 pages in swap cache [ 1056.833328] Swap cache stats: add 0, delete 0, find 0/0 [ 1056.838718] Free swap = 0kB [ 1056.841796] Total swap = 0kB [ 1056.844829] 1965979 pages RAM [ 1056.847929] 0 pages HighMem/MovableOnly [ 1056.852802] 335869 pages reserved [ 1056.856259] 0 pages cma reserved [ 1056.859622] Out of memory: Kill process 13125 (syz-executor.2) score 1005 or sacrifice child [ 1056.869594] Killed process 13125 (syz-executor.2) total-vm:72588kB, anon-rss:2204kB, file-rss:34688kB, shmem-rss:0kB [ 1056.922084] oom_reaper: reaped process 13125 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1056.934086] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1056.947338] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1056.952241] CPU: 0 PID: 7252 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1056.959881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1056.969255] Call Trace: [ 1056.971841] dump_stack+0x142/0x197 [ 1056.975463] dump_header+0x177/0x6cd [ 1056.979161] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1056.984246] ? ___ratelimit+0x55/0x537 [ 1056.988117] oom_kill_process.cold+0x10/0xadd [ 1056.992603] ? oom_unkillable_task+0x294/0x390 [ 1056.997291] ? lock_downgrade+0x740/0x740 [ 1057.001428] out_of_memory+0x2ee/0x1180 [ 1057.005383] ? lock_acquire+0x16f/0x430 [ 1057.009483] ? oom_killer_disable+0x1d0/0x1d0 [ 1057.013979] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1057.018967] __alloc_pages_slowpath+0x2251/0x2930 [ 1057.023821] ? __alloc_pages_nodemask+0x3d1/0x7a0 [ 1057.028673] ? warn_alloc+0xf0/0xf0 [ 1057.032291] ? __might_sleep+0x93/0xb0 [ 1057.036182] __alloc_pages_nodemask+0x62c/0x7a0 [ 1057.040833] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1057.045841] ? lock_downgrade+0x740/0x740 [ 1057.049988] alloc_pages_current+0xec/0x1e0 [ 1057.054294] __page_cache_alloc+0x248/0x3e0 [ 1057.058598] filemap_fault+0xcef/0x1de0 [ 1057.062566] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1057.067493] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1057.072142] ? lock_acquire+0x16f/0x430 [ 1057.076098] ? ext4_filemap_fault+0x7b/0xb0 [ 1057.080402] ext4_filemap_fault+0x83/0xb0 [ 1057.084537] __do_fault+0x104/0x390 [ 1057.088148] __handle_mm_fault+0x23bd/0x33d0 [ 1057.092538] ? copy_page_range+0x1de0/0x1de0 [ 1057.096927] ? find_held_lock+0x35/0x130 [ 1057.100978] ? handle_mm_fault+0x1b6/0x7c0 [ 1057.105212] handle_mm_fault+0x293/0x7c0 [ 1057.109267] __do_page_fault+0x4c1/0xb80 [ 1057.113312] ? vmalloc_fault+0xe30/0xe30 [ 1057.117373] ? page_fault+0x2f/0x50 [ 1057.120982] do_page_fault+0x71/0x511 [ 1057.124763] ? page_fault+0x2f/0x50 [ 1057.128368] page_fault+0x45/0x50 [ 1057.131802] RIP: 0033:0x410382 [ 1057.134973] RSP: 002b:000000c436c09a10 EFLAGS: 00010283 [ 1057.140316] RAX: 00007fb6aba1d6c8 RBX: 0000000000000000 RCX: 000000c420000180 [ 1057.147565] RDX: 000000c42013a800 RSI: 0000000000000030 RDI: 0000000000884100 [ 1057.154828] RBP: 000000c436c09aa0 R08: 0000000000000000 R09: 0000000000000006 [ 1057.162083] R10: 0000000000c6cd80 R11: 0000000000000000 R12: 0000000000000000 [ 1057.169332] R13: 000000c436c09bf8 R14: 000000c436c09bf8 R15: 0000000000000000 [ 1057.181789] Mem-Info: [ 1057.184240] active_anon:162032 inactive_anon:483 isolated_anon:0 [ 1057.184240] active_file:226 inactive_file:181 isolated_file:32 [ 1057.184240] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1057.184240] slab_reclaimable:14680 slab_unreclaimable:117767 [ 1057.184240] mapped:52290 shmem:537 pagetables:5299 bounce:0 [ 1057.184240] free:14379 free_pcp:57 free_cma:0 [ 1057.219150] Node 0 active_anon:575116kB inactive_anon:1924kB active_file:808kB inactive_file:768kB unevictable:12kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 120832kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1057.247588] Node 1 active_anon:73012kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1057.273943] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:44kB inactive_file:16kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1057.302278] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1057.307605] Node 0 DMA32 free:18124kB min:36380kB low:45472kB high:54564kB active_anon:575068kB inactive_anon:1924kB active_file:860kB inactive_file:800kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9984kB pagetables:19268kB bounce:0kB free_pcp:240kB local_pcp:120kB free_cma:0kB [ 1057.367964] lowmem_reserve[]: 0 0 0 0 0 [ 1057.373282] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1057.398722] lowmem_reserve[]: 0 0 0 0 0 [ 1057.402772] Node 1 Normal free:26652kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1057.432391] lowmem_reserve[]: 0 0 0 0 0 [ 1057.436425] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1057.452681] Node 0 DMA32: 2214*4kB (UMEH) 956*8kB (UMEH) 58*16kB (UMH) 8*32kB (UH) 5*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18136kB [ 1057.467269] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1057.483741] Node 1 Normal: 373*4kB (ME) 183*8kB (ME) 161*16kB (UM) 186*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26652kB [ 1057.499775] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1057.514252] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1057.522910] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1057.532987] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1057.541619] 964 total pagecache pages [ 1057.545448] 0 pages in swap cache [ 1057.548880] Swap cache stats: add 0, delete 0, find 0/0 [ 1057.555776] Free swap = 0kB [ 1057.558800] Total swap = 0kB [ 1057.561852] 1965979 pages RAM [ 1057.564951] 0 pages HighMem/MovableOnly [ 1057.568918] 335869 pages reserved [ 1057.572396] 0 pages cma reserved [ 1057.575782] Out of memory: Kill process 13146 (syz-executor.2) score 1005 or sacrifice child [ 1057.585290] Killed process 13146 (syz-executor.2) total-vm:72588kB, anon-rss:2204kB, file-rss:34688kB, shmem-rss:0kB [ 1057.629074] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1057.648618] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1057.653602] CPU: 1 PID: 7252 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1057.661064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1057.670409] Call Trace: [ 1057.673006] dump_stack+0x142/0x197 [ 1057.676646] dump_header+0x177/0x6cd [ 1057.680368] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1057.685556] ? ___ratelimit+0x55/0x537 [ 1057.689450] oom_kill_process.cold+0x10/0xadd [ 1057.693938] ? oom_unkillable_task+0x294/0x390 [ 1057.698529] ? lock_downgrade+0x740/0x740 [ 1057.702687] out_of_memory+0x2ee/0x1180 [ 1057.706663] ? lock_acquire+0x16f/0x430 [ 1057.710644] ? oom_killer_disable+0x1d0/0x1d0 [ 1057.715145] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1057.720086] __alloc_pages_slowpath+0x2251/0x2930 [ 1057.724942] ? __alloc_pages_nodemask+0x3d1/0x7a0 [ 1057.729793] ? warn_alloc+0xf0/0xf0 [ 1057.733434] ? __might_sleep+0x93/0xb0 [ 1057.737344] __alloc_pages_nodemask+0x62c/0x7a0 [ 1057.742019] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1057.747043] ? lock_downgrade+0x740/0x740 [ 1057.751205] alloc_pages_current+0xec/0x1e0 [ 1057.755530] __page_cache_alloc+0x248/0x3e0 [ 1057.759858] filemap_fault+0xcef/0x1de0 [ 1057.763831] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1057.768767] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1057.773440] ? lock_acquire+0x16f/0x430 [ 1057.777418] ? ext4_filemap_fault+0x7b/0xb0 [ 1057.781751] ext4_filemap_fault+0x83/0xb0 [ 1057.785903] __do_fault+0x104/0x390 [ 1057.790095] __handle_mm_fault+0x23bd/0x33d0 [ 1057.794635] ? copy_page_range+0x1de0/0x1de0 [ 1057.799136] ? find_held_lock+0x35/0x130 [ 1057.803396] ? handle_mm_fault+0x1b6/0x7c0 [ 1057.807648] handle_mm_fault+0x293/0x7c0 [ 1057.811739] __do_page_fault+0x4c1/0xb80 [ 1057.816070] ? vmalloc_fault+0xe30/0xe30 [ 1057.820133] ? page_fault+0x2f/0x50 [ 1057.823764] do_page_fault+0x71/0x511 [ 1057.827584] ? page_fault+0x2f/0x50 [ 1057.831502] page_fault+0x45/0x50 [ 1057.834957] RIP: 0033:0x410382 [ 1057.838150] RSP: 002b:000000c436c09a10 EFLAGS: 00010283 [ 1057.843520] RAX: 00007fb6aba1d6c8 RBX: 0000000000000000 RCX: 000000c420000180 [ 1057.850877] RDX: 000000c42013a800 RSI: 0000000000000030 RDI: 0000000000884100 [ 1057.858240] RBP: 000000c436c09aa0 R08: 0000000000000000 R09: 0000000000000006 [ 1057.865518] R10: 0000000000c6cd80 R11: 0000000000000000 R12: 0000000000000000 [ 1057.872804] R13: 000000c436c09bf8 R14: 000000c436c09bf8 R15: 0000000000000000 [ 1057.897807] Mem-Info: [ 1057.900311] active_anon:161490 inactive_anon:483 isolated_anon:0 [ 1057.900311] active_file:243 inactive_file:209 isolated_file:0 [ 1057.900311] unevictable:3 dirty:398 writeback:1 unstable:0 [ 1057.900311] slab_reclaimable:14680 slab_unreclaimable:117771 [ 1057.900311] mapped:52290 shmem:537 pagetables:5274 bounce:0 [ 1057.900311] free:13802 free_pcp:53 free_cma:0 [ 1057.933910] Node 0 active_anon:572948kB inactive_anon:1924kB active_file:840kB inactive_file:844kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 118784kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1057.962230] Node 1 active_anon:73012kB inactive_anon:8kB active_file:8kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1057.988528] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:16kB inactive_file:40kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1058.023776] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1058.028852] Node 0 DMA32 free:18092kB min:36380kB low:45472kB high:54564kB active_anon:572900kB inactive_anon:1924kB active_file:868kB inactive_file:788kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9952kB pagetables:19168kB bounce:0kB free_pcp:196kB local_pcp:120kB free_cma:0kB [ 1058.058520] lowmem_reserve[]: 0 0 0 0 0 [ 1058.062566] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1058.088004] lowmem_reserve[]: 0 0 0 0 0 [ 1058.092194] Node 1 Normal free:26772kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1058.121666] lowmem_reserve[]: 0 0 0 0 0 [ 1058.125666] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1058.158969] Node 0 DMA32: 2261*4kB (UMEH) 955*8kB (UMEH) 57*16kB (UMH) 8*32kB (UH) 5*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18300kB [ 1058.178252] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1058.189073] Node 1 Normal: 372*4kB (ME) 184*8kB (UME) 168*16kB (UM) 186*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26768kB [ 1058.205061] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1058.213944] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1058.222555] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1058.231423] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1058.239987] 963 total pagecache pages [ 1058.244082] 0 pages in swap cache [ 1058.247535] Swap cache stats: add 0, delete 0, find 0/0 [ 1058.252929] Free swap = 0kB [ 1058.255937] Total swap = 0kB [ 1058.258941] 1965979 pages RAM [ 1058.268626] 0 pages HighMem/MovableOnly [ 1058.273878] 335869 pages reserved [ 1058.277325] 0 pages cma reserved [ 1058.280729] Out of memory: Kill process 13167 (syz-executor.2) score 1005 or sacrifice child [ 1058.289332] Killed process 13167 (syz-executor.2) total-vm:72588kB, anon-rss:2204kB, file-rss:34688kB, shmem-rss:0kB [ 1058.382171] kworker/u4:6 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1058.395457] kworker/u4:6 cpuset=/ mems_allowed=0-1 [ 1058.415735] CPU: 0 PID: 8805 Comm: kworker/u4:6 Not tainted 4.14.167-syzkaller #0 [ 1058.423407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1058.432772] Workqueue: netns cleanup_net [ 1058.436823] Call Trace: [ 1058.439388] dump_stack+0x142/0x197 [ 1058.442998] dump_header+0x177/0x6cd [ 1058.446754] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1058.451845] ? ___ratelimit+0x55/0x537 [ 1058.455716] oom_kill_process.cold+0x10/0xadd [ 1058.460202] ? oom_unkillable_task+0x294/0x390 [ 1058.464771] ? lock_downgrade+0x740/0x740 [ 1058.468908] out_of_memory+0x2ee/0x1180 [ 1058.472876] ? lock_acquire+0x16f/0x430 [ 1058.476842] ? oom_killer_disable+0x1d0/0x1d0 [ 1058.481317] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1058.486230] __alloc_pages_slowpath+0x2251/0x2930 [ 1058.491074] ? warn_alloc+0xf0/0xf0 [ 1058.494701] ? __might_sleep+0x93/0xb0 [ 1058.498575] __alloc_pages_nodemask+0x62c/0x7a0 [ 1058.507524] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1058.512535] ? cache_grow_begin+0x335/0x400 [ 1058.516837] cache_grow_begin+0x80/0x400 [ 1058.520880] ? __cpuset_node_allowed+0xff/0x450 [ 1058.525529] fallback_alloc+0x1fd/0x2c0 [ 1058.529495] ____cache_alloc_node+0x1be/0x1d0 [ 1058.533971] kmem_cache_alloc_node+0xe3/0x780 [ 1058.538462] __alloc_skb+0x9c/0x500 [ 1058.542071] ? skb_trim+0x180/0x180 [ 1058.545674] ? if_nlmsg_size+0x38f/0x810 [ 1058.549730] rtmsg_ifinfo_build_skb+0x72/0x140 [ 1058.554295] rollback_registered_many+0x78f/0xb60 [ 1058.559120] ? netdev_info+0xf0/0xf0 [ 1058.562813] ? save_trace+0x290/0x290 [ 1058.566607] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1058.571533] unregister_netdevice_many.part.0+0x1b/0x1e0 [ 1058.576978] unregister_netdevice_many+0x3b/0x50 [ 1058.581719] ip_tunnel_delete_net+0x273/0x330 [ 1058.586208] ? __ip_tunnel_create+0x450/0x450 [ 1058.590689] ipip_exit_net+0x11b/0x1f0 [ 1058.594554] ? ipip_rcv+0x20/0x20 [ 1058.598019] ops_exit_list.isra.0+0xaa/0x150 [ 1058.602410] cleanup_net+0x3ba/0x870 [ 1058.606108] ? net_drop_ns+0x80/0x80 [ 1058.609803] ? __lock_is_held+0xb6/0x140 [ 1058.613850] ? check_preemption_disabled+0x3c/0x250 [ 1058.618851] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1058.624331] process_one_work+0x863/0x1600 [ 1058.628552] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1058.633207] worker_thread+0x5d9/0x1050 [ 1058.637193] kthread+0x319/0x430 [ 1058.640540] ? process_one_work+0x1600/0x1600 [ 1058.645026] ? kthread_create_on_node+0xd0/0xd0 [ 1058.649693] ret_from_fork+0x24/0x30 [ 1058.661604] Mem-Info: [ 1058.664068] active_anon:160944 inactive_anon:483 isolated_anon:0 [ 1058.664068] active_file:256 inactive_file:199 isolated_file:0 [ 1058.664068] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1058.664068] slab_reclaimable:14680 slab_unreclaimable:117778 [ 1058.664068] mapped:52290 shmem:537 pagetables:5249 bounce:0 [ 1058.664068] free:13842 free_pcp:31 free_cma:0 [ 1058.708954] Node 0 active_anon:570764kB inactive_anon:1924kB active_file:900kB inactive_file:784kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1058.739805] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1058.766218] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:32kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1058.805298] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1058.813724] Node 0 DMA32 free:18108kB min:36380kB low:45472kB high:54564kB active_anon:570716kB inactive_anon:1924kB active_file:940kB inactive_file:680kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9920kB pagetables:19068kB bounce:0kB free_pcp:244kB local_pcp:244kB free_cma:0kB [ 1058.845960] lowmem_reserve[]: 0 0 0 0 0 [ 1058.849983] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1058.881486] lowmem_reserve[]: 0 0 0 0 0 [ 1058.885512] Node 1 Normal free:26640kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1058.919982] lowmem_reserve[]: 0 0 0 0 0 [ 1058.935238] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1058.960477] Node 0 DMA32: 2240*4kB (UMEH) 951*8kB (MEH) 56*16kB (MH) 8*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18104kB [ 1058.980761] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1058.997108] Node 1 Normal: 372*4kB (ME) 183*8kB (ME) 168*16kB (UM) 186*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26760kB [ 1059.018183] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1059.033402] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1059.042101] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1059.051812] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1059.060449] 966 total pagecache pages [ 1059.064257] 0 pages in swap cache [ 1059.067704] Swap cache stats: add 0, delete 0, find 0/0 [ 1059.073159] Free swap = 0kB [ 1059.076156] Total swap = 0kB [ 1059.079242] 1965979 pages RAM [ 1059.085885] 0 pages HighMem/MovableOnly [ 1059.089867] 335869 pages reserved [ 1059.096837] 0 pages cma reserved [ 1059.100257] Out of memory: Kill process 13085 (syz-executor.1) score 1005 or sacrifice child [ 1059.108859] Killed process 13085 (syz-executor.1) total-vm:72588kB, anon-rss:2200kB, file-rss:34688kB, shmem-rss:0kB [ 1059.182279] kworker/u4:6 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1059.197872] kworker/u4:6 cpuset=/ mems_allowed=0-1 [ 1059.203985] CPU: 1 PID: 8805 Comm: kworker/u4:6 Not tainted 4.14.167-syzkaller #0 [ 1059.211609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1059.220968] Workqueue: netns cleanup_net [ 1059.225206] Call Trace: [ 1059.227790] dump_stack+0x142/0x197 [ 1059.231456] dump_header+0x177/0x6cd [ 1059.235171] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1059.240269] ? ___ratelimit+0x55/0x537 [ 1059.244160] oom_kill_process.cold+0x10/0xadd [ 1059.248680] ? rcu_read_unlock_special+0x639/0xd40 [ 1059.253603] ? lock_downgrade+0x740/0x740 [ 1059.257753] out_of_memory+0x2ee/0x1180 [ 1059.261726] ? lock_acquire+0x16f/0x430 [ 1059.265701] ? oom_killer_disable+0x1d0/0x1d0 [ 1059.270198] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1059.275138] __alloc_pages_slowpath+0x2251/0x2930 [ 1059.280257] ? warn_alloc+0xf0/0xf0 [ 1059.283890] ? __might_sleep+0x93/0xb0 [ 1059.288299] __alloc_pages_nodemask+0x62c/0x7a0 [ 1059.292967] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1059.297984] ? cache_grow_begin+0x335/0x400 [ 1059.302307] cache_grow_begin+0x80/0x400 [ 1059.306361] ? __cpuset_node_allowed+0xff/0x450 [ 1059.311035] fallback_alloc+0x1fd/0x2c0 [ 1059.315013] ____cache_alloc_node+0x1be/0x1d0 [ 1059.319502] kmem_cache_alloc_node+0xe3/0x780 [ 1059.323994] __alloc_skb+0x9c/0x500 [ 1059.327616] ? skb_trim+0x180/0x180 [ 1059.331240] ? if_nlmsg_size+0x38f/0x810 [ 1059.335302] rtmsg_ifinfo_build_skb+0x72/0x140 [ 1059.339875] rollback_registered_many+0x78f/0xb60 [ 1059.344808] ? netdev_info+0xf0/0xf0 [ 1059.348519] ? save_trace+0x290/0x290 [ 1059.352315] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1059.357237] unregister_netdevice_many.part.0+0x1b/0x1e0 [ 1059.362763] unregister_netdevice_many+0x3b/0x50 [ 1059.367517] ip_tunnel_delete_net+0x273/0x330 [ 1059.372012] ? __ip_tunnel_create+0x450/0x450 [ 1059.376500] ipip_exit_net+0x11b/0x1f0 [ 1059.380381] ? ipip_rcv+0x20/0x20 [ 1059.383829] ops_exit_list.isra.0+0xaa/0x150 [ 1059.388240] cleanup_net+0x3ba/0x870 [ 1059.391950] ? net_drop_ns+0x80/0x80 [ 1059.395660] ? __lock_is_held+0xb6/0x140 [ 1059.399718] ? check_preemption_disabled+0x3c/0x250 [ 1059.404735] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1059.410184] process_one_work+0x863/0x1600 [ 1059.414424] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1059.419095] worker_thread+0x5d9/0x1050 [ 1059.423080] kthread+0x319/0x430 [ 1059.426441] ? process_one_work+0x1600/0x1600 [ 1059.430935] ? kthread_create_on_node+0xd0/0xd0 [ 1059.435601] ret_from_fork+0x24/0x30 [ 1059.448193] Mem-Info: [ 1059.450662] active_anon:160406 inactive_anon:483 isolated_anon:0 [ 1059.450662] active_file:203 inactive_file:186 isolated_file:32 [ 1059.450662] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1059.450662] slab_reclaimable:14680 slab_unreclaimable:117788 [ 1059.450662] mapped:52290 shmem:537 pagetables:5212 bounce:0 [ 1059.450662] free:13813 free_pcp:89 free_cma:0 [ 1059.484178] Node 0 active_anon:568612kB inactive_anon:1924kB active_file:892kB inactive_file:704kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1059.512505] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1059.538919] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:20kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1059.578162] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1059.583350] Node 0 DMA32 free:18128kB min:36380kB low:45472kB high:54564kB active_anon:568564kB inactive_anon:1924kB active_file:848kB inactive_file:748kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9920kB pagetables:18920kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1059.618761] lowmem_reserve[]: 0 0 0 0 0 [ 1059.622835] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1059.648321] lowmem_reserve[]: 0 0 0 0 0 [ 1059.657860] Node 1 Normal free:26756kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1059.692265] lowmem_reserve[]: 0 0 0 0 0 [ 1059.696291] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1059.712094] Node 0 DMA32: 2269*4kB (MEH) 924*8kB (UMEH) 57*16kB (UMH) 8*32kB (UH) 6*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18148kB [ 1059.726579] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1059.738686] Node 1 Normal: 372*4kB (ME) 183*8kB (ME) 168*16kB (UM) 186*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26760kB [ 1059.754732] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1059.763623] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1059.772253] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1059.781134] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1059.789701] 966 total pagecache pages [ 1059.797903] 0 pages in swap cache [ 1059.809359] Swap cache stats: add 0, delete 0, find 0/0 [ 1059.823707] Free swap = 0kB [ 1059.826744] Total swap = 0kB [ 1059.829755] 1965979 pages RAM [ 1059.839622] 0 pages HighMem/MovableOnly [ 1059.848231] 335869 pages reserved [ 1059.853935] 0 pages cma reserved [ 1059.857327] Out of memory: Kill process 13118 (syz-executor.1) score 1005 or sacrifice child [ 1059.865956] Killed process 13118 (syz-executor.1) total-vm:72588kB, anon-rss:2200kB, file-rss:34688kB, shmem-rss:0kB [ 1059.945719] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1059.963026] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1059.967824] CPU: 1 PID: 7248 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1059.975268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1059.984620] Call Trace: [ 1059.987234] dump_stack+0x142/0x197 [ 1059.990869] ? perf_trace_drv_tdls_recv_channel_switch+0x540/0xd90 [ 1059.997191] dump_header+0x177/0x6cd [ 1060.000904] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1060.006004] ? ___ratelimit+0x55/0x537 [ 1060.009897] oom_kill_process.cold+0x10/0xadd [ 1060.014387] ? oom_unkillable_task+0x294/0x390 [ 1060.018970] ? lock_downgrade+0x740/0x740 [ 1060.023120] out_of_memory+0x2ee/0x1180 [ 1060.027092] ? lock_acquire+0x16f/0x430 [ 1060.031075] ? oom_killer_disable+0x1d0/0x1d0 [ 1060.035570] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1060.040503] __alloc_pages_slowpath+0x2251/0x2930 [ 1060.045351] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1060.050200] ? warn_alloc+0xf0/0xf0 [ 1060.053834] ? __might_sleep+0x93/0xb0 [ 1060.057730] __alloc_pages_nodemask+0x62c/0x7a0 [ 1060.062398] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1060.067411] ? lock_downgrade+0x740/0x740 [ 1060.071582] alloc_pages_current+0xec/0x1e0 [ 1060.075904] __page_cache_alloc+0x248/0x3e0 [ 1060.080225] filemap_fault+0xcef/0x1de0 [ 1060.084200] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1060.089147] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1060.093819] ? lock_acquire+0x16f/0x430 [ 1060.097814] ? ext4_filemap_fault+0x7b/0xb0 [ 1060.102146] ext4_filemap_fault+0x83/0xb0 [ 1060.106286] __do_fault+0x104/0x390 [ 1060.109893] __handle_mm_fault+0x23bd/0x33d0 [ 1060.114300] ? copy_page_range+0x1de0/0x1de0 [ 1060.118714] ? find_held_lock+0x35/0x130 [ 1060.122778] ? handle_mm_fault+0x1b6/0x7c0 [ 1060.127009] handle_mm_fault+0x293/0x7c0 [ 1060.131064] __do_page_fault+0x4c1/0xb80 [ 1060.135124] ? vmalloc_fault+0xe30/0xe30 [ 1060.139178] ? page_fault+0x2f/0x50 [ 1060.142794] do_page_fault+0x71/0x511 [ 1060.146584] ? page_fault+0x2f/0x50 [ 1060.150200] page_fault+0x45/0x50 [ 1060.153645] RIP: 0033:0x40ec10 [ 1060.156827] RSP: 002b:000000c42004fee0 EFLAGS: 00010216 [ 1060.162186] RAX: 0000000001e2bbd8 RBX: 0000000000000006 RCX: 000000c420000480 [ 1060.169445] RDX: 0000000022964e6e RSI: 000000c42004ff10 RDI: 000000c42004feec [ 1060.177228] RBP: 000000c42004ff18 R08: 00007fffb93ee000 R09: 00000117240ba8b2 [ 1060.184495] R10: 00114b2737000000 R11: 0000000000000001 R12: 000000000042f0a0 [ 1060.191761] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 1060.206218] Mem-Info: [ 1060.208973] active_anon:159859 inactive_anon:483 isolated_anon:0 [ 1060.208973] active_file:167 inactive_file:248 isolated_file:0 [ 1060.208973] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1060.208973] slab_reclaimable:14680 slab_unreclaimable:117803 [ 1060.208973] mapped:52290 shmem:537 pagetables:5199 bounce:0 [ 1060.208973] free:13835 free_pcp:30 free_cma:0 [ 1060.258688] Node 0 active_anon:566424kB inactive_anon:1924kB active_file:816kB inactive_file:748kB unevictable:12kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 112640kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1060.297753] Node 1 active_anon:73012kB inactive_anon:8kB active_file:32kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1060.331852] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:8kB inactive_file:52kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1060.365059] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1060.370165] Node 0 DMA32 free:18104kB min:36380kB low:45472kB high:54564kB active_anon:566376kB inactive_anon:1924kB active_file:884kB inactive_file:768kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9824kB pagetables:18868kB bounce:0kB free_pcp:108kB local_pcp:0kB free_cma:0kB [ 1060.399667] lowmem_reserve[]: 0 0 0 0 0 [ 1060.403904] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1060.430188] lowmem_reserve[]: 0 0 0 0 0 [ 1060.434202] Node 1 Normal free:26636kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:28kB inactive_file:8kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1060.462745] lowmem_reserve[]: 0 0 0 0 0 [ 1060.466765] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1060.483071] Node 0 DMA32: 2284*4kB (UMEH) 921*8kB (MEH) 54*16kB (MH) 7*32kB (H) 4*64kB (H) 2*128kB (UH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18104kB [ 1060.497366] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1060.508207] Node 1 Normal: 373*4kB (ME) 183*8kB (ME) 160*16kB (UM) 186*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26636kB [ 1060.524171] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1060.533097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1060.551937] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1060.574739] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1060.585276] 958 total pagecache pages [ 1060.589085] 0 pages in swap cache [ 1060.592574] Swap cache stats: add 0, delete 0, find 0/0 [ 1060.597927] Free swap = 0kB [ 1060.607978] Total swap = 0kB [ 1060.614082] 1965979 pages RAM [ 1060.617186] 0 pages HighMem/MovableOnly [ 1060.628034] 335869 pages reserved [ 1060.631579] 0 pages cma reserved [ 1060.634944] Out of memory: Kill process 13166 (syz-executor.1) score 1005 or sacrifice child [ 1060.643584] Killed process 13166 (syz-executor.1) total-vm:72588kB, anon-rss:2200kB, file-rss:34688kB, shmem-rss:0kB [ 1060.693291] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1060.711599] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1060.716998] CPU: 1 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1060.724786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1060.734137] Call Trace: [ 1060.736747] dump_stack+0x142/0x197 [ 1060.740378] dump_header+0x177/0x6cd [ 1060.744092] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1060.749195] ? ___ratelimit+0x55/0x537 [ 1060.753082] oom_kill_process.cold+0x10/0xadd [ 1060.757575] ? oom_unkillable_task+0x294/0x390 [ 1060.762245] ? lock_downgrade+0x740/0x740 [ 1060.766382] out_of_memory+0x2ee/0x1180 [ 1060.770344] ? lock_acquire+0x16f/0x430 [ 1060.774324] ? oom_killer_disable+0x1d0/0x1d0 [ 1060.778820] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1060.783753] __alloc_pages_slowpath+0x2251/0x2930 [ 1060.788590] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1060.793425] ? warn_alloc+0xf0/0xf0 [ 1060.797063] ? __might_sleep+0x93/0xb0 [ 1060.800949] __alloc_pages_nodemask+0x62c/0x7a0 [ 1060.805620] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1060.810636] ? lock_downgrade+0x740/0x740 [ 1060.814798] alloc_pages_current+0xec/0x1e0 [ 1060.819110] __page_cache_alloc+0x248/0x3e0 [ 1060.823421] filemap_fault+0xcef/0x1de0 [ 1060.827395] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1060.832331] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1060.836994] ? lock_acquire+0x16f/0x430 [ 1060.840965] ? ext4_filemap_fault+0x7b/0xb0 [ 1060.845292] ext4_filemap_fault+0x83/0xb0 [ 1060.849435] __do_fault+0x104/0x390 [ 1060.853062] __handle_mm_fault+0x23bd/0x33d0 [ 1060.857472] ? copy_page_range+0x1de0/0x1de0 [ 1060.861881] ? find_held_lock+0x35/0x130 [ 1060.865946] ? handle_mm_fault+0x1b6/0x7c0 [ 1060.870188] handle_mm_fault+0x293/0x7c0 [ 1060.874249] __do_page_fault+0x4c1/0xb80 [ 1060.878314] ? vmalloc_fault+0xe30/0xe30 [ 1060.882374] ? page_fault+0x2f/0x50 [ 1060.886003] do_page_fault+0x71/0x511 [ 1060.889796] ? page_fault+0x2f/0x50 [ 1060.893413] page_fault+0x45/0x50 [ 1060.896865] RIP: 0033:0x41518a [ 1060.900050] RSP: 002b:00007fffe00b9d98 EFLAGS: 00010246 [ 1060.905408] RAX: 000000000000020d RBX: 0000000000000000 RCX: 000000000041518a [ 1060.912674] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1060.919935] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1060.927194] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1060.934466] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1060.955245] Mem-Info: [ 1060.957663] active_anon:159317 inactive_anon:483 isolated_anon:0 [ 1060.957663] active_file:213 inactive_file:193 isolated_file:0 [ 1060.957663] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1060.957663] slab_reclaimable:14680 slab_unreclaimable:117810 [ 1060.957663] mapped:52290 shmem:537 pagetables:5174 bounce:0 [ 1060.957663] free:13825 free_pcp:61 free_cma:0 [ 1060.995268] Node 0 active_anon:564256kB inactive_anon:1924kB active_file:892kB inactive_file:716kB unevictable:12kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 110592kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1061.023711] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1061.051033] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1061.084042] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1061.089117] Node 0 DMA32 free:18168kB min:36380kB low:45472kB high:54564kB active_anon:564208kB inactive_anon:1924kB active_file:964kB inactive_file:720kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9792kB pagetables:18768kB bounce:0kB free_pcp:100kB local_pcp:28kB free_cma:0kB [ 1061.131454] lowmem_reserve[]: 0 0 0 0 0 [ 1061.135492] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1061.166628] lowmem_reserve[]: 0 0 0 0 0 [ 1061.171615] Node 1 Normal free:26756kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1061.205610] lowmem_reserve[]: 0 0 0 0 0 [ 1061.209650] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1061.226619] Node 0 DMA32: 2307*4kB (MEH) 921*8kB (MEH) 55*16kB (UMH) 8*32kB (UH) 5*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18180kB [ 1061.241000] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1061.251782] Node 1 Normal: 373*4kB (ME) 184*8kB (UME) 167*16kB (UM) 186*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26756kB [ 1061.267854] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1061.276737] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1061.285466] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1061.294394] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1061.303004] 957 total pagecache pages [ 1061.306972] 0 pages in swap cache [ 1061.310483] Swap cache stats: add 0, delete 0, find 0/0 [ 1061.315837] Free swap = 0kB [ 1061.318834] Total swap = 0kB [ 1061.321896] 1965979 pages RAM [ 1061.324990] 0 pages HighMem/MovableOnly [ 1061.328971] 335869 pages reserved [ 1061.332489] 0 pages cma reserved [ 1061.335850] Out of memory: Kill process 13182 (syz-executor.1) score 1005 or sacrifice child [ 1061.345094] Killed process 13182 (syz-executor.1) total-vm:72588kB, anon-rss:2200kB, file-rss:34688kB, shmem-rss:0kB [ 1061.400507] oom_reaper: reaped process 13182 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1061.415916] kworker/u4:6 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1061.429847] kworker/u4:6 cpuset=/ mems_allowed=0-1 [ 1061.434911] CPU: 0 PID: 8805 Comm: kworker/u4:6 Not tainted 4.14.167-syzkaller #0 [ 1061.442529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1061.451887] Workqueue: netns cleanup_net [ 1061.455937] Call Trace: [ 1061.458505] dump_stack+0x142/0x197 [ 1061.462113] dump_header+0x177/0x6cd [ 1061.465846] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1061.470929] ? ___ratelimit+0x55/0x537 [ 1061.474798] oom_kill_process.cold+0x10/0xadd [ 1061.479269] ? oom_unkillable_task+0x294/0x390 [ 1061.483850] ? lock_downgrade+0x740/0x740 [ 1061.488034] out_of_memory+0x2ee/0x1180 [ 1061.491993] ? lock_acquire+0x16f/0x430 [ 1061.495990] ? oom_killer_disable+0x1d0/0x1d0 [ 1061.500467] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1061.505394] __alloc_pages_slowpath+0x2251/0x2930 [ 1061.510275] ? warn_alloc+0xf0/0xf0 [ 1061.513890] ? __might_sleep+0x93/0xb0 [ 1061.517759] __alloc_pages_nodemask+0x62c/0x7a0 [ 1061.522411] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1061.527412] ? cache_grow_begin+0x335/0x400 [ 1061.531719] cache_grow_begin+0x80/0x400 [ 1061.535763] ? __cpuset_node_allowed+0xff/0x450 [ 1061.540413] fallback_alloc+0x1fd/0x2c0 [ 1061.544365] ____cache_alloc_node+0x1be/0x1d0 [ 1061.548854] kmem_cache_alloc_node+0xe3/0x780 [ 1061.553334] __alloc_skb+0x9c/0x500 [ 1061.556951] ? skb_trim+0x180/0x180 [ 1061.560558] ? if_nlmsg_size+0x38f/0x810 [ 1061.564608] rtmsg_ifinfo_build_skb+0x72/0x140 [ 1061.569169] rollback_registered_many+0x78f/0xb60 [ 1061.573992] ? netdev_info+0xf0/0xf0 [ 1061.577685] ? save_trace+0x290/0x290 [ 1061.581464] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1061.586374] unregister_netdevice_many.part.0+0x1b/0x1e0 [ 1061.592067] unregister_netdevice_many+0x3b/0x50 [ 1061.596800] ip_tunnel_delete_net+0x273/0x330 [ 1061.601275] ? __ip_tunnel_create+0x450/0x450 [ 1061.605750] ipip_exit_net+0x11b/0x1f0 [ 1061.609613] ? ipip_rcv+0x20/0x20 [ 1061.613055] ops_exit_list.isra.0+0xaa/0x150 [ 1061.617454] cleanup_net+0x3ba/0x870 [ 1061.621148] ? net_drop_ns+0x80/0x80 [ 1061.624838] ? __lock_is_held+0xb6/0x140 [ 1061.628886] ? check_preemption_disabled+0x3c/0x250 [ 1061.633883] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1061.639312] process_one_work+0x863/0x1600 [ 1061.643530] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1061.648179] worker_thread+0x5d9/0x1050 [ 1061.652139] kthread+0x319/0x430 [ 1061.655484] ? process_one_work+0x1600/0x1600 [ 1061.659955] ? kthread_create_on_node+0xd0/0xd0 [ 1061.664654] ret_from_fork+0x24/0x30 [ 1061.675139] Mem-Info: [ 1061.677582] active_anon:158771 inactive_anon:483 isolated_anon:0 [ 1061.677582] active_file:210 inactive_file:186 isolated_file:32 [ 1061.677582] unevictable:3 dirty:397 writeback:4 unstable:0 [ 1061.677582] slab_reclaimable:14680 slab_unreclaimable:117804 [ 1061.677582] mapped:52290 shmem:537 pagetables:5149 bounce:0 [ 1061.677582] free:13816 free_pcp:30 free_cma:0 [ 1061.714033] Node 0 active_anon:562072kB inactive_anon:1924kB active_file:788kB inactive_file:820kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:16kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 108544kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1061.745741] Node 1 active_anon:73012kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1061.772496] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:48kB inactive_file:20kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1061.804713] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1061.809781] Node 0 DMA32 free:18112kB min:36380kB low:45472kB high:54564kB active_anon:562024kB inactive_anon:1924kB active_file:868kB inactive_file:812kB unevictable:12kB writepending:1512kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9760kB pagetables:18668kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1061.842490] lowmem_reserve[]: 0 0 0 0 0 [ 1061.846507] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1061.873327] lowmem_reserve[]: 0 0 0 0 0 [ 1061.877341] Node 1 Normal free:26756kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1061.905780] lowmem_reserve[]: 0 0 0 0 0 [ 1061.909754] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1061.926175] Node 0 DMA32: 2333*4kB (UMEH) 910*8kB (UMEH) 53*16kB (MH) 8*32kB (UH) 5*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18164kB [ 1061.942944] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1061.953741] Node 1 Normal: 373*4kB (ME) 184*8kB (UME) 167*16kB (UM) 186*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26756kB [ 1061.969864] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1061.978766] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1061.987407] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1061.998490] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1062.007420] 957 total pagecache pages [ 1062.011336] 0 pages in swap cache [ 1062.014788] Swap cache stats: add 0, delete 0, find 0/0 [ 1062.021915] Free swap = 0kB [ 1062.024934] Total swap = 0kB [ 1062.027933] 1965979 pages RAM [ 1062.031046] 0 pages HighMem/MovableOnly [ 1062.035045] 335869 pages reserved [ 1062.038474] 0 pages cma reserved [ 1062.062089] Out of memory: Kill process 13912 (syz-executor.1) score 1005 or sacrifice child [ 1062.075266] Killed process 13912 (syz-executor.1) total-vm:72588kB, anon-rss:2200kB, file-rss:34688kB, shmem-rss:0kB [ 1062.135991] kworker/0:2 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1062.151315] kworker/0:2 cpuset=/ mems_allowed=0-1 [ 1062.156919] CPU: 0 PID: 2866 Comm: kworker/0:2 Not tainted 4.14.167-syzkaller #0 [ 1062.164452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1062.173868] Workqueue: md_misc mddev_delayed_delete [ 1062.178868] Call Trace: [ 1062.181499] dump_stack+0x142/0x197 [ 1062.185108] dump_header+0x177/0x6cd [ 1062.188836] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1062.193921] ? ___ratelimit+0x55/0x537 [ 1062.197806] oom_kill_process.cold+0x10/0xadd [ 1062.202289] ? oom_unkillable_task+0x294/0x390 [ 1062.206856] ? lock_downgrade+0x740/0x740 [ 1062.210990] out_of_memory+0x2ee/0x1180 [ 1062.214962] ? lock_acquire+0x16f/0x430 [ 1062.218937] ? oom_killer_disable+0x1d0/0x1d0 [ 1062.223431] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1062.228345] __alloc_pages_slowpath+0x2251/0x2930 [ 1062.233192] ? warn_alloc+0xf0/0xf0 [ 1062.236820] ? __might_sleep+0x93/0xb0 [ 1062.240695] __alloc_pages_nodemask+0x62c/0x7a0 [ 1062.245345] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1062.250350] ? cache_grow_begin+0x335/0x400 [ 1062.254665] cache_grow_begin+0x80/0x400 [ 1062.258707] ? __cpuset_node_allowed+0xff/0x450 [ 1062.263413] fallback_alloc+0x1fd/0x2c0 [ 1062.267387] ____cache_alloc_node+0x1be/0x1d0 [ 1062.271905] kmem_cache_alloc_node+0xe3/0x780 [ 1062.276437] __alloc_skb+0x9c/0x500 [ 1062.280050] ? skb_trim+0x180/0x180 [ 1062.283850] ? netlink_has_listeners+0x20a/0x330 [ 1062.288588] kobject_uevent_env+0x6ea/0xc80 [ 1062.292931] ? wait_for_completion+0x420/0x420 [ 1062.297518] kobject_uevent+0x20/0x30 [ 1062.301422] device_del+0x65c/0xaa0 [ 1062.305034] ? __device_links_no_driver+0x220/0x220 [ 1062.310067] ? synchronize_srcu+0x233/0x3e2 [ 1062.314426] ? simple_release_fs+0x8c/0xb0 [ 1062.318648] device_unregister+0x15/0x30 [ 1062.322697] bdi_unregister+0x42b/0x600 [ 1062.326687] ? wb_blkcg_offline+0x180/0x180 [ 1062.331061] ? kernfs_find_ns+0x1b5/0x290 [ 1062.335195] ? mutex_unlock+0xd/0x10 [ 1062.338885] ? kernfs_remove_by_name_ns+0x6b/0x90 [ 1062.343738] del_gendisk+0x405/0x820 [ 1062.347437] ? disk_events_poll_msecs_store+0x150/0x150 [ 1062.353544] ? blk_cleanup_queue+0x446/0x610 [ 1062.357936] md_free+0xc8/0x140 [ 1062.361196] ? lock_rdev+0x110/0x110 [ 1062.364926] kobject_put+0x14e/0x210 [ 1062.368621] mddev_delayed_delete+0x34/0x40 [ 1062.372958] process_one_work+0x863/0x1600 [ 1062.377200] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1062.381865] worker_thread+0x5d9/0x1050 [ 1062.385831] kthread+0x319/0x430 [ 1062.389179] ? process_one_work+0x1600/0x1600 [ 1062.393662] ? kthread_create_on_node+0xd0/0xd0 [ 1062.398326] ret_from_fork+0x24/0x30 [ 1062.405798] Mem-Info: [ 1062.408262] active_anon:158241 inactive_anon:483 isolated_anon:0 [ 1062.408262] active_file:214 inactive_file:195 isolated_file:0 [ 1062.408262] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1062.408262] slab_reclaimable:14680 slab_unreclaimable:117814 [ 1062.408262] mapped:52290 shmem:537 pagetables:5124 bounce:0 [ 1062.408262] free:14316 free_pcp:100 free_cma:0 [ 1062.441791] Node 0 active_anon:559952kB inactive_anon:1924kB active_file:828kB inactive_file:772kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1062.470085] Node 1 active_anon:73012kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1062.496506] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:24kB inactive_file:40kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1062.525670] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1062.545401] Node 0 DMA32 free:18240kB min:36380kB low:45472kB high:54564kB active_anon:559904kB inactive_anon:1924kB active_file:928kB inactive_file:696kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9728kB pagetables:18568kB bounce:0kB free_pcp:212kB local_pcp:212kB free_cma:0kB [ 1062.578649] lowmem_reserve[]: 0 0 0 0 0 [ 1062.582688] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1062.607984] lowmem_reserve[]: 0 0 0 0 0 [ 1062.612009] Node 1 Normal free:26756kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1062.640512] lowmem_reserve[]: 0 0 0 0 0 [ 1062.644515] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1062.661424] Node 0 DMA32: 2347*4kB (MEH) 902*8kB (MEH) 53*16kB (UMH) 7*32kB (H) 4*64kB (H) 1*128kB (H) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18316kB [ 1062.676038] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1062.689116] Node 1 Normal: 373*4kB (ME) 184*8kB (UME) 167*16kB (UM) 186*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26756kB [ 1062.712654] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1062.722799] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1062.736720] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1062.745658] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1062.759591] 957 total pagecache pages [ 1062.763470] 0 pages in swap cache [ 1062.766915] Swap cache stats: add 0, delete 0, find 0/0 [ 1062.772328] Free swap = 0kB [ 1062.775338] Total swap = 0kB [ 1062.778450] 1965979 pages RAM [ 1062.781604] 0 pages HighMem/MovableOnly [ 1062.785572] 335869 pages reserved [ 1062.789012] 0 pages cma reserved [ 1062.792411] Out of memory: Kill process 3500 (syz-executor.4) score 1005 or sacrifice child [ 1062.804286] Killed process 3500 (syz-executor.4) total-vm:72984kB, anon-rss:1936kB, file-rss:34816kB, shmem-rss:0kB [ 1062.859317] oom_reaper: reaped process 3500 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1062.890676] kworker/u4:6 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1062.909148] kworker/u4:6 cpuset=/ mems_allowed=0-1 [ 1062.914339] CPU: 1 PID: 8805 Comm: kworker/u4:6 Not tainted 4.14.167-syzkaller #0 [ 1062.921973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1062.931345] Workqueue: netns cleanup_net [ 1062.935406] Call Trace: [ 1062.937996] dump_stack+0x142/0x197 [ 1062.941635] dump_header+0x177/0x6cd [ 1062.945349] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1062.950478] ? ___ratelimit+0x55/0x537 [ 1062.954371] oom_kill_process.cold+0x10/0xadd [ 1062.958873] ? rcu_read_unlock_special+0x639/0xd40 [ 1062.963818] ? lock_downgrade+0x740/0x740 [ 1062.967983] out_of_memory+0x2ee/0x1180 [ 1062.972064] ? lock_acquire+0x16f/0x430 [ 1062.979178] ? oom_killer_disable+0x1d0/0x1d0 [ 1062.983679] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1062.988623] __alloc_pages_slowpath+0x2251/0x2930 [ 1062.993484] ? warn_alloc+0xf0/0xf0 [ 1062.997119] ? __might_sleep+0x93/0xb0 [ 1063.001011] __alloc_pages_nodemask+0x62c/0x7a0 [ 1063.005695] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1063.010720] ? cache_grow_begin+0x335/0x400 [ 1063.015049] cache_grow_begin+0x80/0x400 [ 1063.019111] ? __cpuset_node_allowed+0xff/0x450 [ 1063.023805] fallback_alloc+0x1fd/0x2c0 [ 1063.027793] ____cache_alloc_node+0x1be/0x1d0 [ 1063.032559] kmem_cache_alloc_node+0xe3/0x780 [ 1063.037068] __alloc_skb+0x9c/0x500 [ 1063.040797] ? skb_trim+0x180/0x180 [ 1063.044437] ? if_nlmsg_size+0x38f/0x810 [ 1063.048507] rtmsg_ifinfo_build_skb+0x72/0x140 [ 1063.053092] rollback_registered_many+0x78f/0xb60 [ 1063.057938] ? netdev_info+0xf0/0xf0 [ 1063.061654] ? save_trace+0x290/0x290 [ 1063.065458] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1063.070516] unregister_netdevice_many.part.0+0x1b/0x1e0 [ 1063.076491] unregister_netdevice_many+0x3b/0x50 [ 1063.081250] ip_tunnel_delete_net+0x273/0x330 [ 1063.085746] ? __ip_tunnel_create+0x450/0x450 [ 1063.090248] ipip_exit_net+0x11b/0x1f0 [ 1063.094130] ? ipip_rcv+0x20/0x20 [ 1063.097591] ops_exit_list.isra.0+0xaa/0x150 [ 1063.102005] cleanup_net+0x3ba/0x870 [ 1063.105718] ? net_drop_ns+0x80/0x80 [ 1063.109438] ? __lock_is_held+0xb6/0x140 [ 1063.113504] ? check_preemption_disabled+0x3c/0x250 [ 1063.118522] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1063.123973] process_one_work+0x863/0x1600 [ 1063.128218] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1063.132897] worker_thread+0x5d9/0x1050 [ 1063.136888] kthread+0x319/0x430 [ 1063.140254] ? process_one_work+0x1600/0x1600 [ 1063.144750] ? kthread_create_on_node+0xd0/0xd0 [ 1063.149423] ret_from_fork+0x24/0x30 [ 1063.169497] Mem-Info: [ 1063.172046] active_anon:157765 inactive_anon:483 isolated_anon:0 [ 1063.172046] active_file:203 inactive_file:206 isolated_file:0 [ 1063.172046] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1063.172046] slab_reclaimable:14680 slab_unreclaimable:117821 [ 1063.172046] mapped:52290 shmem:537 pagetables:5099 bounce:0 [ 1063.172046] free:13816 free_pcp:49 free_cma:0 [ 1063.218150] Node 0 active_anon:558048kB inactive_anon:1924kB active_file:864kB inactive_file:788kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1063.246401] Node 1 active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1063.273677] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:32kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1063.302083] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1063.307155] Node 0 DMA32 free:18124kB min:36380kB low:45472kB high:54564kB active_anon:558000kB inactive_anon:1924kB active_file:840kB inactive_file:728kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9728kB pagetables:18468kB bounce:0kB free_pcp:196kB local_pcp:124kB free_cma:0kB [ 1063.344155] lowmem_reserve[]: 0 0 0 0 0 [ 1063.348185] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1063.379818] lowmem_reserve[]: 0 0 0 0 0 [ 1063.383906] Node 1 Normal free:26756kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3648kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1063.413982] lowmem_reserve[]: 0 0 0 0 0 [ 1063.418007] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1063.443931] Node 0 DMA32: 2528*4kB (UMEH) 830*8kB (UMEH) 49*16kB (UMH) 7*32kB (H) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18144kB [ 1063.469470] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1063.487318] Node 1 Normal: 373*4kB (ME) 184*8kB (UME) 167*16kB (UM) 187*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26788kB [ 1063.509386] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1063.518345] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1063.527118] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1063.536598] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1063.545226] 966 total pagecache pages [ 1063.549028] 0 pages in swap cache [ 1063.553188] Swap cache stats: add 0, delete 0, find 0/0 [ 1063.558550] Free swap = 0kB [ 1063.561625] Total swap = 0kB [ 1063.564657] 1965979 pages RAM [ 1063.567755] 0 pages HighMem/MovableOnly [ 1063.571774] 335869 pages reserved [ 1063.575220] 0 pages cma reserved [ 1063.578579] Out of memory: Kill process 23784 (syz-executor.5) score 1005 or sacrifice child [ 1063.588061] Killed process 23784 (syz-executor.5) total-vm:72852kB, anon-rss:1560kB, file-rss:34688kB, shmem-rss:0kB [ 1063.625532] oom_reaper: reaped process 23784 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1063.647981] kworker/u4:6 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1063.661822] kworker/u4:6 cpuset=/ mems_allowed=0-1 [ 1063.666789] CPU: 1 PID: 8805 Comm: kworker/u4:6 Not tainted 4.14.167-syzkaller #0 [ 1063.674398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1063.683757] Workqueue: netns cleanup_net [ 1063.687799] Call Trace: [ 1063.690376] dump_stack+0x142/0x197 [ 1063.694004] dump_header+0x177/0x6cd [ 1063.697717] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1063.702821] ? ___ratelimit+0x55/0x537 [ 1063.706704] oom_kill_process.cold+0x10/0xadd [ 1063.711181] ? oom_unkillable_task+0x294/0x390 [ 1063.715742] ? lock_downgrade+0x740/0x740 [ 1063.719891] out_of_memory+0x2ee/0x1180 [ 1063.723870] ? lock_acquire+0x16f/0x430 [ 1063.727852] ? oom_killer_disable+0x1d0/0x1d0 [ 1063.732380] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1063.737292] __alloc_pages_slowpath+0x2251/0x2930 [ 1063.742122] ? warn_alloc+0xf0/0xf0 [ 1063.745732] ? __might_sleep+0x93/0xb0 [ 1063.749598] __alloc_pages_nodemask+0x62c/0x7a0 [ 1063.754250] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1063.759246] ? cache_grow_begin+0x335/0x400 [ 1063.763547] cache_grow_begin+0x80/0x400 [ 1063.767588] ? __cpuset_node_allowed+0xff/0x450 [ 1063.772234] fallback_alloc+0x1fd/0x2c0 [ 1063.776188] ____cache_alloc_node+0x1be/0x1d0 [ 1063.780662] kmem_cache_alloc_node+0xe3/0x780 [ 1063.785142] __alloc_skb+0x9c/0x500 [ 1063.788783] ? skb_trim+0x180/0x180 [ 1063.792394] ? if_nlmsg_size+0x38f/0x810 [ 1063.796436] rtmsg_ifinfo_build_skb+0x72/0x140 [ 1063.801005] rollback_registered_many+0x78f/0xb60 [ 1063.805825] ? netdev_info+0xf0/0xf0 [ 1063.809514] ? save_trace+0x290/0x290 [ 1063.813291] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1063.818201] unregister_netdevice_many.part.0+0x1b/0x1e0 [ 1063.823653] unregister_netdevice_many+0x3b/0x50 [ 1063.828387] ip_tunnel_delete_net+0x273/0x330 [ 1063.832868] ? __ip_tunnel_create+0x450/0x450 [ 1063.837341] ipip_exit_net+0x11b/0x1f0 [ 1063.841209] ? ipip_rcv+0x20/0x20 [ 1063.844646] ops_exit_list.isra.0+0xaa/0x150 [ 1063.849042] cleanup_net+0x3ba/0x870 [ 1063.852735] ? net_drop_ns+0x80/0x80 [ 1063.856435] ? __lock_is_held+0xb6/0x140 [ 1063.860472] ? check_preemption_disabled+0x3c/0x250 [ 1063.865478] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1063.870910] process_one_work+0x863/0x1600 [ 1063.875131] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1063.879790] worker_thread+0x5d9/0x1050 [ 1063.883754] kthread+0x319/0x430 [ 1063.887099] ? process_one_work+0x1600/0x1600 [ 1063.891668] ? kthread_create_on_node+0xd0/0xd0 [ 1063.896315] ret_from_fork+0x24/0x30 [ 1063.908289] Mem-Info: [ 1063.910777] active_anon:157381 inactive_anon:483 isolated_anon:0 [ 1063.910777] active_file:224 inactive_file:205 isolated_file:0 [ 1063.910777] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1063.910777] slab_reclaimable:14680 slab_unreclaimable:117821 [ 1063.910777] mapped:52290 shmem:537 pagetables:5062 bounce:0 [ 1063.910777] free:14143 free_pcp:28 free_cma:0 [ 1063.954560] Node 0 active_anon:556512kB inactive_anon:1924kB active_file:884kB inactive_file:780kB unevictable:12kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1063.982938] Node 1 active_anon:73012kB inactive_anon:8kB active_file:8kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1064.009233] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:48kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1064.035814] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1064.040923] Node 0 DMA32 free:18192kB min:36380kB low:45472kB high:54564kB active_anon:556464kB inactive_anon:1924kB active_file:768kB inactive_file:856kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9696kB pagetables:18320kB bounce:0kB free_pcp:112kB local_pcp:0kB free_cma:0kB [ 1064.071567] lowmem_reserve[]: 0 0 0 0 0 [ 1064.075616] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1064.102815] lowmem_reserve[]: 0 0 0 0 0 [ 1064.106949] Node 1 Normal free:26756kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:8kB inactive_file:28kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3616kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1064.135952] lowmem_reserve[]: 0 0 0 0 0 [ 1064.139948] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1064.155787] Node 0 DMA32: 2525*4kB (MEH) 823*8kB (UMEH) 55*16kB (UMH) 10*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18268kB [ 1064.170268] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1064.181015] Node 1 Normal: 373*4kB (ME) 184*8kB (UME) 167*16kB (UM) 188*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26820kB [ 1064.197182] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1064.206077] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1064.214734] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1064.224481] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1064.233167] 966 total pagecache pages [ 1064.236988] 0 pages in swap cache [ 1064.240490] Swap cache stats: add 0, delete 0, find 0/0 [ 1064.245844] Free swap = 0kB [ 1064.248858] Total swap = 0kB [ 1064.251933] 1965979 pages RAM [ 1064.255043] 0 pages HighMem/MovableOnly [ 1064.259013] 335869 pages reserved [ 1064.262512] 0 pages cma reserved [ 1064.265874] Out of memory: Kill process 29365 (syz-executor.2) score 1005 or sacrifice child [ 1064.274546] Killed process 29365 (syz-executor.2) total-vm:72720kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1064.324965] cron invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1064.337864] cron cpuset=/ mems_allowed=0-1 [ 1064.347039] CPU: 0 PID: 7155 Comm: cron Not tainted 4.14.167-syzkaller #0 [ 1064.353978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1064.363343] Call Trace: [ 1064.365942] dump_stack+0x142/0x197 [ 1064.369566] ? uas_probe+0xf0/0x1320 [ 1064.373284] dump_header+0x177/0x6cd [ 1064.376989] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1064.382088] ? ___ratelimit+0x55/0x537 [ 1064.385982] oom_kill_process.cold+0x10/0xadd [ 1064.390473] ? oom_unkillable_task+0x294/0x390 [ 1064.395054] ? lock_downgrade+0x740/0x740 [ 1064.399208] out_of_memory+0x2ee/0x1180 [ 1064.403177] ? lock_acquire+0x16f/0x430 [ 1064.407160] ? oom_killer_disable+0x1d0/0x1d0 [ 1064.411655] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1064.416592] __alloc_pages_slowpath+0x2251/0x2930 [ 1064.421441] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1064.426283] ? warn_alloc+0xf0/0xf0 [ 1064.429905] ? __might_sleep+0x93/0xb0 [ 1064.433782] __alloc_pages_nodemask+0x62c/0x7a0 [ 1064.438453] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1064.443466] ? lock_downgrade+0x740/0x740 [ 1064.447613] alloc_pages_current+0xec/0x1e0 [ 1064.451930] __page_cache_alloc+0x248/0x3e0 [ 1064.456246] filemap_fault+0xcef/0x1de0 [ 1064.460231] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1064.465172] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1064.469845] ? lock_acquire+0x16f/0x430 [ 1064.473809] ? ext4_filemap_fault+0x7b/0xb0 [ 1064.478116] ext4_filemap_fault+0x83/0xb0 [ 1064.482250] __do_fault+0x104/0x390 [ 1064.485866] __handle_mm_fault+0x23bd/0x33d0 [ 1064.490278] ? copy_page_range+0x1de0/0x1de0 [ 1064.494696] ? find_held_lock+0x35/0x130 [ 1064.498765] ? handle_mm_fault+0x1b6/0x7c0 [ 1064.503012] handle_mm_fault+0x293/0x7c0 [ 1064.507071] __do_page_fault+0x4c1/0xb80 [ 1064.511126] ? vmalloc_fault+0xe30/0xe30 [ 1064.515182] ? page_fault+0x2f/0x50 [ 1064.518801] do_page_fault+0x71/0x511 [ 1064.522587] ? page_fault+0x2f/0x50 [ 1064.526204] page_fault+0x45/0x50 [ 1064.529635] RIP: 0033:0x40320a [ 1064.532809] RSP: 002b:00007fff5d3ac440 EFLAGS: 00010202 [ 1064.538165] RAX: 0000000000000000 RBX: 000000000191c708 RCX: 00007ffb9b99de40 [ 1064.545436] RDX: 0000000000000000 RSI: 00007fff5d3ac400 RDI: 00007fff5d3ac400 [ 1064.552699] RBP: 0000000000000000 R08: 00007fff5d3ac260 R09: 0000000000000000 [ 1064.559993] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000004033c4 [ 1064.567254] R13: 00007fff5d3ac560 R14: 0000000000000000 R15: 0000000000000000 [ 1064.598384] Mem-Info: [ 1064.602360] active_anon:157345 inactive_anon:483 isolated_anon:0 [ 1064.602360] active_file:237 inactive_file:197 isolated_file:26 [ 1064.602360] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1064.602360] slab_reclaimable:14681 slab_unreclaimable:117844 [ 1064.602360] mapped:52290 shmem:537 pagetables:5048 bounce:0 [ 1064.602360] free:13810 free_pcp:87 free_cma:0 [ 1064.638705] Node 0 active_anon:556368kB inactive_anon:1924kB active_file:832kB inactive_file:800kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1064.673347] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1064.699741] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1064.727677] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1064.732792] Node 0 DMA32 free:18144kB min:36380kB low:45472kB high:54564kB active_anon:556320kB inactive_anon:1924kB active_file:856kB inactive_file:760kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9696kB pagetables:18264kB bounce:0kB free_pcp:228kB local_pcp:108kB free_cma:0kB [ 1064.762695] lowmem_reserve[]: 0 0 0 0 0 [ 1064.766706] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1064.792044] lowmem_reserve[]: 0 0 0 0 0 [ 1064.796055] Node 1 Normal free:26800kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3584kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1064.824558] lowmem_reserve[]: 0 0 0 0 0 [ 1064.828600] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1064.846450] Node 0 DMA32: 2533*4kB (UMEH) 811*8kB (UMEH) 50*16kB (UMH) 10*32kB (UH) 4*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18124kB [ 1064.862189] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1064.872996] Node 1 Normal: 373*4kB (ME) 184*8kB (UME) 158*16kB (UM) 188*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26676kB [ 1064.889045] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1064.897936] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1064.906568] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1064.915473] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1064.924108] 965 total pagecache pages [ 1064.927926] 0 pages in swap cache [ 1064.931431] Swap cache stats: add 0, delete 0, find 0/0 [ 1064.936794] Free swap = 0kB [ 1064.939815] Total swap = 0kB [ 1064.942877] 1965979 pages RAM [ 1064.945976] 0 pages HighMem/MovableOnly [ 1064.949938] 335869 pages reserved [ 1064.953467] 0 pages cma reserved [ 1064.956848] Out of memory: Kill process 29581 (syz-executor.4) score 1005 or sacrifice child [ 1064.965690] Killed process 29581 (syz-executor.4) total-vm:72984kB, anon-rss:1136kB, file-rss:34816kB, shmem-rss:0kB [ 1065.005622] oom_reaper: reaped process 29581 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1065.035874] syz-executor.0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1065.051306] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1065.056728] CPU: 0 PID: 11876 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1065.064612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1065.073966] Call Trace: [ 1065.076681] dump_stack+0x142/0x197 [ 1065.080319] dump_header+0x177/0x6cd [ 1065.084040] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1065.089148] ? ___ratelimit+0x55/0x537 [ 1065.093047] oom_kill_process.cold+0x10/0xadd [ 1065.097536] ? oom_unkillable_task+0x294/0x390 [ 1065.102114] ? lock_downgrade+0x740/0x740 [ 1065.106269] out_of_memory+0x2ee/0x1180 [ 1065.110246] ? lock_acquire+0x16f/0x430 [ 1065.114225] ? oom_killer_disable+0x1d0/0x1d0 [ 1065.118719] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1065.123650] __alloc_pages_slowpath+0x2251/0x2930 [ 1065.128513] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1065.133364] ? warn_alloc+0xf0/0xf0 [ 1065.137001] ? __might_sleep+0x93/0xb0 [ 1065.140898] __alloc_pages_nodemask+0x62c/0x7a0 [ 1065.145570] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1065.150590] ? lock_downgrade+0x740/0x740 [ 1065.155096] alloc_pages_current+0xec/0x1e0 [ 1065.159425] __page_cache_alloc+0x248/0x3e0 [ 1065.163749] filemap_fault+0xcef/0x1de0 [ 1065.167721] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1065.172662] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1065.177330] ? lock_acquire+0x16f/0x430 [ 1065.181310] ? ext4_filemap_fault+0x7b/0xb0 [ 1065.185660] ext4_filemap_fault+0x83/0xb0 [ 1065.189815] __do_fault+0x104/0x390 [ 1065.193448] __handle_mm_fault+0x23bd/0x33d0 [ 1065.197858] ? copy_page_range+0x1de0/0x1de0 [ 1065.202268] ? find_held_lock+0x35/0x130 [ 1065.206328] ? handle_mm_fault+0x1b6/0x7c0 [ 1065.210573] handle_mm_fault+0x293/0x7c0 [ 1065.214634] __do_page_fault+0x4c1/0xb80 [ 1065.218695] ? vmalloc_fault+0xe30/0xe30 [ 1065.222790] ? page_fault+0x2f/0x50 [ 1065.226418] do_page_fault+0x71/0x511 [ 1065.230226] ? page_fault+0x2f/0x50 [ 1065.233851] page_fault+0x45/0x50 [ 1065.237297] RIP: 0033:0x41518a [ 1065.240479] RSP: 002b:00007ffd56835d98 EFLAGS: 00010246 [ 1065.245839] RAX: 0000000000000071 RBX: 0000000000d18940 RCX: 000000000041518a [ 1065.253104] RDX: 0000000040000000 RSI: 00007ffd56835dd0 RDI: ffffffffffffffff [ 1065.260373] RBP: 0000000000000b79 R08: 0000000000000001 R09: 0000000000000001 [ 1065.267642] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 1065.274912] R13: 00007ffd56835dd0 R14: 0000000000d1899b R15: 00007ffd56835de0 [ 1065.289050] Mem-Info: [ 1065.291542] active_anon:157071 inactive_anon:483 isolated_anon:0 [ 1065.291542] active_file:223 inactive_file:187 isolated_file:32 [ 1065.291542] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1065.291542] slab_reclaimable:14681 slab_unreclaimable:117853 [ 1065.291542] mapped:52290 shmem:537 pagetables:5021 bounce:0 [ 1065.291542] free:13788 free_pcp:60 free_cma:0 [ 1065.325036] Node 0 active_anon:555272kB inactive_anon:1924kB active_file:876kB inactive_file:708kB unevictable:12kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1065.353405] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1065.381770] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:24kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1065.425832] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1065.434721] Node 0 DMA32 free:18192kB min:36380kB low:45472kB high:54564kB active_anon:555224kB inactive_anon:1924kB active_file:820kB inactive_file:656kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9696kB pagetables:18156kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1065.464293] lowmem_reserve[]: 0 0 0 0 0 [ 1065.468350] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1065.493699] lowmem_reserve[]: 0 0 0 0 0 [ 1065.497703] Node 1 Normal free:26668kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3584kB pagetables:1928kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1065.526587] lowmem_reserve[]: 0 0 0 0 0 [ 1065.535151] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1065.565404] Node 0 DMA32: 2538*4kB (UMEH) 813*8kB (UMEH) 49*16kB (UMH) 8*32kB (UH) 6*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18208kB [ 1065.586378] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1065.597197] Node 1 Normal: 374*4kB (UME) 184*8kB (UME) 157*16kB (UM) 188*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26664kB [ 1065.616895] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1065.625905] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1065.634562] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1065.643463] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1065.654129] 965 total pagecache pages [ 1065.657932] 0 pages in swap cache [ 1065.661431] Swap cache stats: add 0, delete 0, find 0/0 [ 1065.666785] Free swap = 0kB [ 1065.669792] Total swap = 0kB [ 1065.694052] 1965979 pages RAM [ 1065.697187] 0 pages HighMem/MovableOnly [ 1065.701231] 335869 pages reserved [ 1065.704677] 0 pages cma reserved [ 1065.708030] Out of memory: Kill process 23317 (syz-executor.3) score 1005 or sacrifice child [ 1065.719074] Killed process 23317 (syz-executor.3) total-vm:73116kB, anon-rss:968kB, file-rss:34816kB, shmem-rss:0kB [ 1065.807489] init invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1065.819736] init cpuset=/ mems_allowed=0-1 [ 1065.834510] CPU: 0 PID: 1 Comm: init Not tainted 4.14.167-syzkaller #0 [ 1065.841203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1065.850575] Call Trace: [ 1065.853147] dump_stack+0x142/0x197 [ 1065.856763] dump_header+0x177/0x6cd [ 1065.860500] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1065.865618] ? ___ratelimit+0x55/0x537 [ 1065.869485] oom_kill_process.cold+0x10/0xadd [ 1065.873993] ? oom_unkillable_task+0x294/0x390 [ 1065.878554] ? lock_downgrade+0x740/0x740 [ 1065.882698] out_of_memory+0x2ee/0x1180 [ 1065.886649] ? lock_acquire+0x16f/0x430 [ 1065.890606] ? oom_killer_disable+0x1d0/0x1d0 [ 1065.895105] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1065.900021] __alloc_pages_slowpath+0x2251/0x2930 [ 1065.904856] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1065.909681] ? warn_alloc+0xf0/0xf0 [ 1065.913294] ? __might_sleep+0x93/0xb0 [ 1065.917183] __alloc_pages_nodemask+0x62c/0x7a0 [ 1065.921835] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1065.926828] ? lock_downgrade+0x740/0x740 [ 1065.930964] alloc_pages_current+0xec/0x1e0 [ 1065.935275] __page_cache_alloc+0x248/0x3e0 [ 1065.939577] filemap_fault+0xcef/0x1de0 [ 1065.943538] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1065.948460] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1065.953116] ? lock_acquire+0x16f/0x430 [ 1065.957075] ? ext4_filemap_fault+0x7b/0xb0 [ 1065.961380] ext4_filemap_fault+0x83/0xb0 [ 1065.965528] __do_fault+0x104/0x390 [ 1065.969135] __handle_mm_fault+0x23bd/0x33d0 [ 1065.973522] ? copy_page_range+0x1de0/0x1de0 [ 1065.977906] ? find_held_lock+0x35/0x130 [ 1065.981948] ? handle_mm_fault+0x1b6/0x7c0 [ 1065.986166] handle_mm_fault+0x293/0x7c0 [ 1065.990220] __do_page_fault+0x4c1/0xb80 [ 1065.994262] ? vmalloc_fault+0xe30/0xe30 [ 1065.998302] ? page_fault+0x2f/0x50 [ 1066.001923] do_page_fault+0x71/0x511 [ 1066.005702] ? page_fault+0x2f/0x50 [ 1066.009310] page_fault+0x45/0x50 [ 1066.012740] RIP: 0033:0x402488 [ 1066.015908] RSP: 002b:00007ffe66c423f8 EFLAGS: 00010202 [ 1066.021248] RAX: 0000000000000000 RBX: 00007ffe66c42520 RCX: 00007f5439136dd3 [ 1066.028494] RDX: 0000000000000000 RSI: 00007ffe66c42330 RDI: 00007ffe66c42520 [ 1066.035753] RBP: 0000000000000000 R08: 00007ffe66c423b0 R09: 0000000000000001 [ 1066.043012] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 1066.050285] R13: 00007ffe66c42710 R14: 0000000000000000 R15: 0000000000000000 [ 1066.070848] Mem-Info: [ 1066.073441] active_anon:156839 inactive_anon:483 isolated_anon:0 [ 1066.073441] active_file:236 inactive_file:200 isolated_file:0 [ 1066.073441] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1066.073441] slab_reclaimable:14681 slab_unreclaimable:117866 [ 1066.073441] mapped:52290 shmem:537 pagetables:4996 bounce:0 [ 1066.073441] free:13793 free_pcp:93 free_cma:0 [ 1066.113888] Node 0 active_anon:554344kB inactive_anon:1924kB active_file:832kB inactive_file:704kB unevictable:12kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1066.143485] Node 1 active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1066.169956] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1066.211160] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1066.216229] Node 0 DMA32 free:18120kB min:36380kB low:45472kB high:54564kB active_anon:554296kB inactive_anon:1924kB active_file:852kB inactive_file:744kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9696kB pagetables:18056kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1066.250698] lowmem_reserve[]: 0 0 0 0 0 [ 1066.254726] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1066.287318] lowmem_reserve[]: 0 0 0 0 0 [ 1066.291384] Node 1 Normal free:26772kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3584kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1066.328143] lowmem_reserve[]: 0 0 0 0 0 [ 1066.332223] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1066.355247] Node 0 DMA32: 2540*4kB (UMEH) 801*8kB (UMEH) 51*16kB (UMH) 8*32kB (UH) 6*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18152kB [ 1066.374198] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1066.388170] Node 1 Normal: 372*4kB (ME) 184*8kB (UME) 164*16kB (UM) 188*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26768kB [ 1066.406851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1066.415733] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1066.425399] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1066.439695] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1066.451279] 962 total pagecache pages [ 1066.455097] 0 pages in swap cache [ 1066.458577] Swap cache stats: add 0, delete 0, find 0/0 [ 1066.466082] Free swap = 0kB [ 1066.469120] Total swap = 0kB [ 1066.475205] 1965979 pages RAM [ 1066.478511] 0 pages HighMem/MovableOnly [ 1066.486878] 335869 pages reserved [ 1066.493520] 0 pages cma reserved [ 1066.496908] Out of memory: Kill process 22832 (syz-executor.0) score 1005 or sacrifice child [ 1066.507585] Killed process 22832 (syz-executor.0) total-vm:72852kB, anon-rss:224kB, file-rss:34816kB, shmem-rss:0kB [ 1066.563499] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1066.579750] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1066.584608] CPU: 0 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1066.592051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1066.601404] Call Trace: [ 1066.603990] dump_stack+0x142/0x197 [ 1066.607617] dump_header+0x177/0x6cd [ 1066.611335] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1066.616439] ? ___ratelimit+0x55/0x537 [ 1066.620321] oom_kill_process.cold+0x10/0xadd [ 1066.624794] ? oom_unkillable_task+0x294/0x390 [ 1066.629354] ? lock_downgrade+0x740/0x740 [ 1066.633485] out_of_memory+0x2ee/0x1180 [ 1066.637483] ? lock_acquire+0x16f/0x430 [ 1066.641439] ? oom_killer_disable+0x1d0/0x1d0 [ 1066.645916] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1066.650825] __alloc_pages_slowpath+0x2251/0x2930 [ 1066.655669] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1066.660509] ? warn_alloc+0xf0/0xf0 [ 1066.664122] ? __might_sleep+0x93/0xb0 [ 1066.667994] __alloc_pages_nodemask+0x62c/0x7a0 [ 1066.672655] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1066.677658] ? lock_downgrade+0x740/0x740 [ 1066.681798] alloc_pages_current+0xec/0x1e0 [ 1066.686102] __page_cache_alloc+0x248/0x3e0 [ 1066.690407] filemap_fault+0xcef/0x1de0 [ 1066.694360] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1066.699277] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1066.703929] ? lock_acquire+0x16f/0x430 [ 1066.707894] ? ext4_filemap_fault+0x7b/0xb0 [ 1066.712198] ext4_filemap_fault+0x83/0xb0 [ 1066.716344] __do_fault+0x104/0x390 [ 1066.719958] __handle_mm_fault+0x23bd/0x33d0 [ 1066.724350] ? copy_page_range+0x1de0/0x1de0 [ 1066.728744] ? find_held_lock+0x35/0x130 [ 1066.732800] ? handle_mm_fault+0x1b6/0x7c0 [ 1066.737025] handle_mm_fault+0x293/0x7c0 [ 1066.741085] __do_page_fault+0x4c1/0xb80 [ 1066.745128] ? vmalloc_fault+0xe30/0xe30 [ 1066.749184] ? page_fault+0x2f/0x50 [ 1066.752879] do_page_fault+0x71/0x511 [ 1066.756660] ? page_fault+0x2f/0x50 [ 1066.760265] page_fault+0x45/0x50 [ 1066.763697] RIP: 0033:0x4284f0 [ 1066.766869] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1066.772209] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1066.779455] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1066.786703] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1066.793952] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1066.801198] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1066.814589] Mem-Info: [ 1066.817058] active_anon:156814 inactive_anon:483 isolated_anon:0 [ 1066.817058] active_file:219 inactive_file:196 isolated_file:0 [ 1066.817058] unevictable:3 dirty:397 writeback:1 unstable:0 [ 1066.817058] slab_reclaimable:14681 slab_unreclaimable:117866 [ 1066.817058] mapped:52290 shmem:537 pagetables:4983 bounce:0 [ 1066.817058] free:13819 free_pcp:30 free_cma:0 [ 1066.850677] Node 0 active_anon:554244kB inactive_anon:1924kB active_file:816kB inactive_file:732kB unevictable:12kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:4kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1066.879075] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1066.905589] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:20kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1066.933075] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1066.938276] Node 0 DMA32 free:18024kB min:36380kB low:45472kB high:54564kB active_anon:554196kB inactive_anon:1924kB active_file:916kB inactive_file:640kB unevictable:12kB writepending:1500kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9696kB pagetables:18004kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1066.969069] lowmem_reserve[]: 0 0 0 0 0 [ 1066.973144] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1066.998463] lowmem_reserve[]: 0 0 0 0 0 [ 1067.007954] Node 1 Normal free:26744kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3584kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1067.036441] lowmem_reserve[]: 0 0 0 0 0 [ 1067.040494] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1067.057409] Node 0 DMA32: 2511*4kB (UMEH) 806*8kB (UMEH) 51*16kB (UMH) 8*32kB (UH) 6*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18076kB [ 1067.073729] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1067.084522] Node 1 Normal: 373*4kB (UME) 183*8kB (ME) 164*16kB (UM) 188*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26764kB [ 1067.100982] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1067.109797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1067.118436] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1067.128745] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1067.137397] 962 total pagecache pages [ 1067.141284] 0 pages in swap cache [ 1067.144747] Swap cache stats: add 0, delete 0, find 0/0 [ 1067.150141] Free swap = 0kB [ 1067.153149] Total swap = 0kB [ 1067.156166] 1965979 pages RAM [ 1067.159263] 0 pages HighMem/MovableOnly [ 1067.165921] 335869 pages reserved [ 1067.169367] 0 pages cma reserved [ 1067.174590] Out of memory: Kill process 19259 (syz-executor.4) score 1005 or sacrifice child [ 1067.183291] Killed process 19259 (syz-executor.4) total-vm:72852kB, anon-rss:192kB, file-rss:34816kB, shmem-rss:0kB [ 1067.234436] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1067.249979] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1067.255486] CPU: 1 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1067.263303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1067.272673] Call Trace: [ 1067.275265] dump_stack+0x142/0x197 [ 1067.278925] dump_header+0x177/0x6cd [ 1067.282644] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1067.287742] ? ___ratelimit+0x55/0x537 [ 1067.291625] oom_kill_process.cold+0x10/0xadd [ 1067.296120] ? oom_unkillable_task+0x294/0x390 [ 1067.300702] ? lock_downgrade+0x740/0x740 [ 1067.304853] out_of_memory+0x2ee/0x1180 [ 1067.308821] ? lock_acquire+0x16f/0x430 [ 1067.312797] ? oom_killer_disable+0x1d0/0x1d0 [ 1067.317289] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1067.322219] __alloc_pages_slowpath+0x2251/0x2930 [ 1067.327070] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1067.331917] ? warn_alloc+0xf0/0xf0 [ 1067.335554] ? __might_sleep+0x93/0xb0 [ 1067.339440] __alloc_pages_nodemask+0x62c/0x7a0 [ 1067.344114] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1067.349127] ? lock_downgrade+0x740/0x740 [ 1067.353279] alloc_pages_current+0xec/0x1e0 [ 1067.357610] __page_cache_alloc+0x248/0x3e0 [ 1067.361943] filemap_fault+0xcef/0x1de0 [ 1067.365923] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1067.370871] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1067.375547] ? lock_acquire+0x16f/0x430 [ 1067.379525] ? ext4_filemap_fault+0x7b/0xb0 [ 1067.383856] ext4_filemap_fault+0x83/0xb0 [ 1067.388005] __do_fault+0x104/0x390 [ 1067.391636] __handle_mm_fault+0x23bd/0x33d0 [ 1067.396046] ? copy_page_range+0x1de0/0x1de0 [ 1067.400456] ? find_held_lock+0x35/0x130 [ 1067.404522] ? handle_mm_fault+0x1b6/0x7c0 [ 1067.408775] handle_mm_fault+0x293/0x7c0 [ 1067.412847] __do_page_fault+0x4c1/0xb80 [ 1067.416911] ? vmalloc_fault+0xe30/0xe30 [ 1067.420971] ? page_fault+0x2f/0x50 [ 1067.424598] do_page_fault+0x71/0x511 [ 1067.428407] ? page_fault+0x2f/0x50 [ 1067.432039] page_fault+0x45/0x50 [ 1067.435492] RIP: 0033:0x41518a [ 1067.438676] RSP: 002b:00007fffe00b9d98 EFLAGS: 00010246 [ 1067.444198] RAX: 000000000000020d RBX: 0000000000000000 RCX: 000000000041518a [ 1067.451470] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1067.458760] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1067.466031] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1067.473303] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1067.513189] Mem-Info: [ 1067.515646] active_anon:156750 inactive_anon:483 isolated_anon:0 [ 1067.515646] active_file:229 inactive_file:194 isolated_file:0 [ 1067.515646] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1067.515646] slab_reclaimable:14681 slab_unreclaimable:117884 [ 1067.515646] mapped:52290 shmem:537 pagetables:4937 bounce:0 [ 1067.515646] free:13807 free_pcp:30 free_cma:0 [ 1067.554862] Node 0 active_anon:553988kB inactive_anon:1924kB active_file:892kB inactive_file:728kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1067.584380] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1067.619171] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:20kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1067.656146] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1067.662352] Node 0 DMA32 free:18092kB min:36380kB low:45472kB high:54564kB active_anon:553940kB inactive_anon:1924kB active_file:884kB inactive_file:776kB unevictable:12kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9664kB pagetables:17820kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1067.697554] lowmem_reserve[]: 0 0 0 0 0 [ 1067.702849] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1067.735265] lowmem_reserve[]: 0 0 0 0 0 [ 1067.739296] Node 1 Normal free:26756kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3584kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1067.768360] lowmem_reserve[]: 0 0 0 0 0 [ 1067.779851] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1067.799153] Node 0 DMA32: 2516*4kB (MEH) 797*8kB (UMEH) 53*16kB (UMH) 9*32kB (UH) 6*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18088kB [ 1067.813618] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1067.825899] Node 1 Normal: 373*4kB (UME) 184*8kB (UME) 163*16kB (UM) 188*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26756kB [ 1067.855554] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1067.864449] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1067.879372] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1067.888336] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1067.905403] 964 total pagecache pages [ 1067.909206] 0 pages in swap cache [ 1067.914047] Swap cache stats: add 0, delete 0, find 0/0 [ 1067.919460] Free swap = 0kB [ 1067.928478] Total swap = 0kB [ 1067.936607] 1965979 pages RAM [ 1067.939712] 0 pages HighMem/MovableOnly [ 1067.945919] 335869 pages reserved [ 1067.949409] 0 pages cma reserved [ 1067.955462] Out of memory: Kill process 19376 (syz-executor.5) score 1005 or sacrifice child [ 1067.975426] Killed process 19376 (syz-executor.5) total-vm:72720kB, anon-rss:184kB, file-rss:34816kB, shmem-rss:0kB [ 1068.000250] Dropped {multi|broad}cast of type= [86dd] [ 1068.025774] oom_reaper: reaped process 19376 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1068.045023] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1068.065225] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1068.074374] CPU: 0 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1068.081843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1068.091299] Call Trace: [ 1068.093896] dump_stack+0x142/0x197 [ 1068.097534] dump_header+0x177/0x6cd [ 1068.101249] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1068.106349] ? ___ratelimit+0x55/0x537 [ 1068.110231] oom_kill_process.cold+0x10/0xadd [ 1068.114720] ? oom_unkillable_task+0x294/0x390 [ 1068.119287] ? lock_downgrade+0x740/0x740 [ 1068.123430] out_of_memory+0x2ee/0x1180 [ 1068.127400] ? lock_acquire+0x16f/0x430 [ 1068.131379] ? oom_killer_disable+0x1d0/0x1d0 [ 1068.135874] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1068.140795] __alloc_pages_slowpath+0x2251/0x2930 [ 1068.145641] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1068.150495] ? warn_alloc+0xf0/0xf0 [ 1068.154146] ? __might_sleep+0x93/0xb0 [ 1068.158034] __alloc_pages_nodemask+0x62c/0x7a0 [ 1068.162717] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1068.167736] ? lock_downgrade+0x740/0x740 [ 1068.171900] alloc_pages_current+0xec/0x1e0 [ 1068.176241] __page_cache_alloc+0x248/0x3e0 [ 1068.180577] filemap_fault+0xcef/0x1de0 [ 1068.184549] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1068.189492] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1068.194164] ? lock_acquire+0x16f/0x430 [ 1068.198149] ? ext4_filemap_fault+0x7b/0xb0 [ 1068.202481] ext4_filemap_fault+0x83/0xb0 [ 1068.206634] __do_fault+0x104/0x390 [ 1068.210270] __handle_mm_fault+0x23bd/0x33d0 [ 1068.214805] ? copy_page_range+0x1de0/0x1de0 [ 1068.219217] ? find_held_lock+0x35/0x130 [ 1068.223290] ? handle_mm_fault+0x1b6/0x7c0 [ 1068.227535] handle_mm_fault+0x293/0x7c0 [ 1068.231611] __do_page_fault+0x4c1/0xb80 [ 1068.235679] ? vmalloc_fault+0xe30/0xe30 [ 1068.239742] ? page_fault+0x2f/0x50 [ 1068.243369] do_page_fault+0x71/0x511 [ 1068.247169] ? page_fault+0x2f/0x50 [ 1068.250799] page_fault+0x45/0x50 [ 1068.254252] RIP: 0033:0x4284f0 [ 1068.257436] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1068.262796] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1068.270063] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1068.277333] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1068.284605] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1068.291879] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1068.330222] Mem-Info: [ 1068.336480] active_anon:156708 inactive_anon:483 isolated_anon:0 [ 1068.336480] active_file:199 inactive_file:225 isolated_file:0 [ 1068.336480] unevictable:3 dirty:398 writeback:1 unstable:0 [ 1068.336480] slab_reclaimable:14681 slab_unreclaimable:117893 [ 1068.336480] mapped:52290 shmem:537 pagetables:4904 bounce:0 [ 1068.336480] free:13814 free_pcp:29 free_cma:0 [ 1068.383258] Node 0 active_anon:553820kB inactive_anon:1924kB active_file:920kB inactive_file:740kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1560kB writeback:4kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1068.411831] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1068.456565] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:48kB inactive_file:16kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1068.483566] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1068.488623] Node 0 DMA32 free:18220kB min:36380kB low:45472kB high:54564kB active_anon:553772kB inactive_anon:1924kB active_file:904kB inactive_file:740kB unevictable:12kB writepending:1504kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9632kB pagetables:17688kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1068.524130] lowmem_reserve[]: 0 0 0 0 0 [ 1068.528181] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1068.567309] lowmem_reserve[]: 0 0 0 0 0 [ 1068.579338] Node 1 Normal free:26652kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:4kB inactive_file:40kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3584kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1068.608831] lowmem_reserve[]: 0 0 0 0 0 [ 1068.612902] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1068.634122] Node 0 DMA32: 2547*4kB (MEH) 794*8kB (UMEH) 52*16kB (UMH) 10*32kB (UH) 6*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18204kB [ 1068.660238] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1068.671050] Node 1 Normal: 343*4kB (UME) 184*8kB (UME) 162*16kB (UM) 189*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26652kB [ 1068.698641] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1068.707955] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1068.725493] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1068.734439] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1068.743284] 970 total pagecache pages [ 1068.747095] 0 pages in swap cache [ 1068.750588] Swap cache stats: add 0, delete 0, find 0/0 [ 1068.755948] Free swap = 0kB [ 1068.758965] Total swap = 0kB [ 1068.773636] 1965979 pages RAM [ 1068.776766] 0 pages HighMem/MovableOnly [ 1068.780803] 335869 pages reserved [ 1068.784251] 0 pages cma reserved [ 1068.787619] Out of memory: Kill process 19641 (syz-executor.2) score 1005 or sacrifice child [ 1068.799635] Killed process 19641 (syz-executor.2) total-vm:72852kB, anon-rss:196kB, file-rss:34816kB, shmem-rss:0kB [ 1068.855152] oom_reaper: reaped process 19641 (syz-executor.2), now anon-rss:12kB, file-rss:0kB, shmem-rss:0kB [ 1068.873868] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1068.889101] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1068.898890] CPU: 0 PID: 7249 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1068.906357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1068.915708] Call Trace: [ 1068.918280] dump_stack+0x142/0x197 [ 1068.921900] dump_header+0x177/0x6cd [ 1068.925610] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1068.930717] ? ___ratelimit+0x55/0x537 [ 1068.934634] oom_kill_process.cold+0x10/0xadd [ 1068.939113] ? rcu_read_unlock_special+0x639/0xd40 [ 1068.944036] ? lock_downgrade+0x740/0x740 [ 1068.948197] out_of_memory+0x2ee/0x1180 [ 1068.952174] ? lock_acquire+0x16f/0x430 [ 1068.956156] ? oom_killer_disable+0x1d0/0x1d0 [ 1068.960653] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1068.965689] __alloc_pages_slowpath+0x2251/0x2930 [ 1068.970543] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1068.975394] ? warn_alloc+0xf0/0xf0 [ 1068.979019] ? __might_sleep+0x93/0xb0 [ 1068.982910] __alloc_pages_nodemask+0x62c/0x7a0 [ 1068.987595] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1068.992611] ? lock_downgrade+0x740/0x740 [ 1068.996784] alloc_pages_current+0xec/0x1e0 [ 1069.001118] __page_cache_alloc+0x248/0x3e0 [ 1069.005449] filemap_fault+0xcef/0x1de0 [ 1069.009425] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1069.014375] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1069.019047] ? lock_acquire+0x16f/0x430 [ 1069.023114] ? ext4_filemap_fault+0x7b/0xb0 [ 1069.027446] ext4_filemap_fault+0x83/0xb0 [ 1069.031590] __do_fault+0x104/0x390 [ 1069.035216] __handle_mm_fault+0x23bd/0x33d0 [ 1069.039640] ? copy_page_range+0x1de0/0x1de0 [ 1069.044057] ? find_held_lock+0x35/0x130 [ 1069.048122] ? handle_mm_fault+0x1b6/0x7c0 [ 1069.052373] handle_mm_fault+0x293/0x7c0 [ 1069.056428] __do_page_fault+0x4c1/0xb80 [ 1069.060496] ? vmalloc_fault+0xe30/0xe30 [ 1069.064578] ? page_fault+0x2f/0x50 [ 1069.068216] do_page_fault+0x71/0x511 [ 1069.072024] ? page_fault+0x2f/0x50 [ 1069.075653] page_fault+0x45/0x50 [ 1069.079103] RIP: 0033:0x45b153 [ 1069.082295] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206 [ 1069.087660] RAX: ffffffffffffff92 RBX: 000000003b4f37a3 RCX: 000000000045b153 [ 1069.094921] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e120a0 [ 1069.102192] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1069.109470] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c427908218 [ 1069.116765] R13: 000000000000007f R14: 0000000000c8b140 R15: 0000000000000213 [ 1069.143621] Mem-Info: [ 1069.146081] active_anon:156683 inactive_anon:483 isolated_anon:0 [ 1069.146081] active_file:225 inactive_file:199 isolated_file:0 [ 1069.146081] unevictable:3 dirty:397 writeback:0 unstable:0 [ 1069.146081] slab_reclaimable:14682 slab_unreclaimable:117908 [ 1069.146081] mapped:52290 shmem:537 pagetables:4867 bounce:0 [ 1069.146081] free:13810 free_pcp:81 free_cma:0 [ 1069.186479] Node 0 active_anon:553720kB inactive_anon:1924kB active_file:832kB inactive_file:776kB unevictable:12kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:4kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1069.214893] Node 1 active_anon:73012kB inactive_anon:8kB active_file:40kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1069.249464] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:32kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1069.280731] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1069.285800] Node 0 DMA32 free:18152kB min:36380kB low:45472kB high:54564kB active_anon:553672kB inactive_anon:1924kB active_file:744kB inactive_file:784kB unevictable:12kB writepending:1504kB present:3129332kB managed:2634340kB mlocked:12kB kernel_stack:9600kB pagetables:17540kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1069.315315] lowmem_reserve[]: 0 0 0 0 0 [ 1069.319313] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1069.344632] lowmem_reserve[]: 0 0 0 0 0 [ 1069.348639] Node 1 Normal free:26752kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:44kB inactive_file:12kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3584kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1069.379091] lowmem_reserve[]: 0 0 0 0 0 [ 1069.383150] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1069.418745] Node 0 DMA32: 2562*4kB (UMEH) 793*8kB (MEH) 45*16kB (MH) 11*32kB (UH) 6*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18176kB [ 1069.439955] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1069.453624] Node 1 Normal: 371*4kB (UME) 183*8kB (ME) 162*16kB (UM) 189*32kB (UME) 105*64kB (UM) 36*128kB (UM) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26756kB [ 1069.469687] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1069.484250] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1069.492912] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1069.501805] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1069.510538] 973 total pagecache pages [ 1069.514346] 0 pages in swap cache [ 1069.517797] Swap cache stats: add 0, delete 0, find 0/0 [ 1069.525330] Free swap = 0kB [ 1069.528392] Total swap = 0kB [ 1069.532861] 1965979 pages RAM [ 1069.536934] 0 pages HighMem/MovableOnly [ 1069.546723] 335869 pages reserved [ 1069.557366] 0 pages cma reserved [ 1069.560798] Out of memory: Kill process 387 (syz-executor.0) score 1005 or sacrifice child [ 1069.569257] Killed process 387 (syz-executor.0) total-vm:72852kB, anon-rss:200kB, file-rss:34816kB, shmem-rss:0kB [ 1069.673812] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1069.686856] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1069.695327] CPU: 0 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1069.703148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1069.712510] Call Trace: [ 1069.715130] dump_stack+0x142/0x197 [ 1069.718755] dump_header+0x177/0x6cd [ 1069.722459] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1069.727573] ? ___ratelimit+0x55/0x537 [ 1069.731466] oom_kill_process.cold+0x10/0xadd [ 1069.735964] ? rcu_read_unlock_special+0x639/0xd40 [ 1069.740902] ? lock_downgrade+0x740/0x740 [ 1069.745065] out_of_memory+0x2ee/0x1180 [ 1069.749034] ? lock_acquire+0x16f/0x430 [ 1069.753021] ? oom_killer_disable+0x1d0/0x1d0 [ 1069.757524] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1069.762458] __alloc_pages_slowpath+0x2251/0x2930 [ 1069.767315] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1069.772169] ? warn_alloc+0xf0/0xf0 [ 1069.775814] ? __might_sleep+0x93/0xb0 [ 1069.779711] __alloc_pages_nodemask+0x62c/0x7a0 [ 1069.784384] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1069.789406] ? lock_downgrade+0x740/0x740 [ 1069.793694] alloc_pages_current+0xec/0x1e0 [ 1069.798046] __page_cache_alloc+0x248/0x3e0 [ 1069.802385] filemap_fault+0xcef/0x1de0 [ 1069.806362] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1069.811317] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1069.815992] ? lock_acquire+0x16f/0x430 [ 1069.820072] ? ext4_filemap_fault+0x7b/0xb0 [ 1069.824418] ext4_filemap_fault+0x83/0xb0 [ 1069.828568] __do_fault+0x104/0x390 [ 1069.832199] __handle_mm_fault+0x23bd/0x33d0 [ 1069.836623] ? copy_page_range+0x1de0/0x1de0 [ 1069.841038] ? find_held_lock+0x35/0x130 [ 1069.845098] ? handle_mm_fault+0x1b6/0x7c0 [ 1069.849323] handle_mm_fault+0x293/0x7c0 [ 1069.853388] __do_page_fault+0x4c1/0xb80 [ 1069.857461] ? vmalloc_fault+0xe30/0xe30 [ 1069.861526] ? page_fault+0x2f/0x50 [ 1069.865157] do_page_fault+0x71/0x511 [ 1069.868959] ? page_fault+0x2f/0x50 [ 1069.872602] page_fault+0x45/0x50 [ 1069.876055] RIP: 0033:0x41518a [ 1069.879225] RSP: 002b:00007fffe00b9d98 EFLAGS: 00010246 [ 1069.884632] RAX: 000000000000020d RBX: 0000000000000000 RCX: 000000000041518a [ 1069.891895] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1069.899263] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1069.906536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1069.913808] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1069.945477] Mem-Info: [ 1069.948369] active_anon:156622 inactive_anon:483 isolated_anon:0 [ 1069.948369] active_file:229 inactive_file:189 isolated_file:0 [ 1069.948369] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1069.948369] slab_reclaimable:14682 slab_unreclaimable:117922 [ 1069.948369] mapped:52290 shmem:537 pagetables:4849 bounce:0 [ 1069.948369] free:13673 free_pcp:56 free_cma:0 [ 1069.981993] Node 0 active_anon:553476kB inactive_anon:1924kB active_file:860kB inactive_file:820kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1070.010151] Node 1 active_anon:73012kB inactive_anon:8kB active_file:36kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1070.036531] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:16kB inactive_file:40kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1070.072825] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1070.078055] Node 0 DMA32 free:18048kB min:36380kB low:45472kB high:54564kB active_anon:553428kB inactive_anon:1924kB active_file:796kB inactive_file:716kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9600kB pagetables:17468kB bounce:0kB free_pcp:224kB local_pcp:104kB free_cma:0kB [ 1070.109669] lowmem_reserve[]: 0 0 0 0 0 [ 1070.118727] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1070.161342] lowmem_reserve[]: 0 0 0 0 0 [ 1070.165371] Node 1 Normal free:26260kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:24kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3584kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1070.193874] lowmem_reserve[]: 0 0 0 0 0 [ 1070.197869] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1070.213855] Node 0 DMA32: 2567*4kB (MEH) 796*8kB (MEH) 47*16kB (UMH) 8*32kB (UH) 6*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18156kB [ 1070.233777] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1070.244862] Node 1 Normal: 371*4kB (UME) 183*8kB (ME) 155*16kB (M) 185*32kB (UME) 103*64kB (M) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26260kB [ 1070.269495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1070.295159] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1070.308197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1070.331675] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1070.343226] 965 total pagecache pages [ 1070.347079] 0 pages in swap cache [ 1070.353328] Swap cache stats: add 0, delete 0, find 0/0 [ 1070.358708] Free swap = 0kB [ 1070.366238] Total swap = 0kB [ 1070.369266] 1965979 pages RAM [ 1070.378050] 0 pages HighMem/MovableOnly [ 1070.382091] 335869 pages reserved [ 1070.385539] 0 pages cma reserved [ 1070.388898] Out of memory: Kill process 30827 (syz-executor.4) score 1005 or sacrifice child [ 1070.397556] Killed process 30827 (syz-executor.4) total-vm:72852kB, anon-rss:196kB, file-rss:34816kB, shmem-rss:0kB [ 1070.463838] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1070.493239] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1070.498052] CPU: 0 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1070.505490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1070.514831] Call Trace: [ 1070.517414] dump_stack+0x142/0x197 [ 1070.521031] dump_header+0x177/0x6cd [ 1070.524778] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1070.529870] ? ___ratelimit+0x55/0x537 [ 1070.533752] oom_kill_process.cold+0x10/0xadd [ 1070.538275] ? oom_unkillable_task+0x294/0x390 [ 1070.542849] ? lock_downgrade+0x740/0x740 [ 1070.546982] out_of_memory+0x2ee/0x1180 [ 1070.550948] ? lock_acquire+0x16f/0x430 [ 1070.554934] ? oom_killer_disable+0x1d0/0x1d0 [ 1070.559413] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1070.564331] __alloc_pages_slowpath+0x2251/0x2930 [ 1070.569177] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1070.574020] ? warn_alloc+0xf0/0xf0 [ 1070.577650] ? __might_sleep+0x93/0xb0 [ 1070.581527] __alloc_pages_nodemask+0x62c/0x7a0 [ 1070.586186] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1070.591194] ? lock_downgrade+0x740/0x740 [ 1070.595330] alloc_pages_current+0xec/0x1e0 [ 1070.599653] __page_cache_alloc+0x248/0x3e0 [ 1070.603969] filemap_fault+0xcef/0x1de0 [ 1070.607946] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1070.612866] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1070.617537] ? lock_acquire+0x16f/0x430 [ 1070.621498] ? ext4_filemap_fault+0x7b/0xb0 [ 1070.625821] ext4_filemap_fault+0x83/0xb0 [ 1070.629952] __do_fault+0x104/0x390 [ 1070.633621] __handle_mm_fault+0x23bd/0x33d0 [ 1070.638055] ? copy_page_range+0x1de0/0x1de0 [ 1070.642454] ? find_held_lock+0x35/0x130 [ 1070.646512] ? handle_mm_fault+0x1b6/0x7c0 [ 1070.650755] handle_mm_fault+0x293/0x7c0 [ 1070.654828] __do_page_fault+0x4c1/0xb80 [ 1070.658885] ? vmalloc_fault+0xe30/0xe30 [ 1070.662937] ? page_fault+0x2f/0x50 [ 1070.666644] do_page_fault+0x71/0x511 [ 1070.670556] ? page_fault+0x2f/0x50 [ 1070.674313] page_fault+0x45/0x50 [ 1070.677751] RIP: 0033:0x4284f0 [ 1070.680928] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1070.686295] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1070.693554] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1070.700807] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1070.708589] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1070.715859] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1070.749058] Mem-Info: [ 1070.753150] active_anon:156586 inactive_anon:483 isolated_anon:0 [ 1070.753150] active_file:216 inactive_file:172 isolated_file:64 [ 1070.753150] unevictable:0 dirty:397 writeback:1 unstable:0 [ 1070.753150] slab_reclaimable:14682 slab_unreclaimable:117932 [ 1070.753150] mapped:52290 shmem:537 pagetables:4823 bounce:0 [ 1070.753150] free:13679 free_pcp:30 free_cma:0 [ 1070.787955] Node 0 active_anon:553332kB inactive_anon:1924kB active_file:808kB inactive_file:800kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:4kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1070.816078] Node 1 active_anon:73012kB inactive_anon:8kB active_file:12kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1070.842465] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:32kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1070.881465] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1070.886540] Node 0 DMA32 free:18148kB min:36380kB low:45472kB high:54564kB active_anon:553284kB inactive_anon:1924kB active_file:764kB inactive_file:640kB unevictable:0kB writepending:1500kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9600kB pagetables:17364kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1070.916042] lowmem_reserve[]: 0 0 0 0 0 [ 1070.920058] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1070.945384] lowmem_reserve[]: 0 0 0 0 0 [ 1070.949371] Node 1 Normal free:26260kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:36kB inactive_file:12kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3584kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1070.977912] lowmem_reserve[]: 0 0 0 0 0 [ 1070.987181] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (MH) 10*64kB (UMH) 3*128kB (UMH) 3*256kB (MH) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (H) = 10384kB [ 1071.018967] Node 0 DMA32: 2568*4kB (MEH) 797*8kB (UMEH) 47*16kB (UMH) 7*32kB (H) 6*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18136kB [ 1071.038445] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1071.063850] Node 1 Normal: 371*4kB (UME) 183*8kB (ME) 155*16kB (M) 185*32kB (UME) 103*64kB (M) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26260kB [ 1071.079667] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1071.121475] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1071.130123] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1071.139021] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1071.162812] 965 total pagecache pages [ 1071.166634] 0 pages in swap cache [ 1071.174711] Swap cache stats: add 0, delete 0, find 0/0 [ 1071.180195] Free swap = 0kB [ 1071.183206] Total swap = 0kB [ 1071.186222] 1965979 pages RAM [ 1071.189325] 0 pages HighMem/MovableOnly [ 1071.193371] 335869 pages reserved [ 1071.196817] 0 pages cma reserved [ 1071.205246] Out of memory: Kill process 25011 (syz-executor.1) score 1005 or sacrifice child [ 1071.213951] Killed process 25011 (syz-executor.1) total-vm:72852kB, anon-rss:188kB, file-rss:34816kB, shmem-rss:0kB [ 1071.274625] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1071.288557] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1071.317912] CPU: 1 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1071.325747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1071.335190] Call Trace: [ 1071.337786] dump_stack+0x142/0x197 [ 1071.341508] dump_header+0x177/0x6cd [ 1071.345240] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1071.350355] ? ___ratelimit+0x55/0x537 [ 1071.354255] oom_kill_process.cold+0x10/0xadd [ 1071.359373] ? oom_unkillable_task+0x294/0x390 [ 1071.363967] ? lock_downgrade+0x740/0x740 [ 1071.368118] out_of_memory+0x2ee/0x1180 [ 1071.372114] ? lock_acquire+0x16f/0x430 [ 1071.376188] ? oom_killer_disable+0x1d0/0x1d0 [ 1071.380690] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1071.385626] __alloc_pages_slowpath+0x2251/0x2930 [ 1071.390495] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1071.395348] ? warn_alloc+0xf0/0xf0 [ 1071.398984] ? __might_sleep+0x93/0xb0 [ 1071.402874] __alloc_pages_nodemask+0x62c/0x7a0 [ 1071.407547] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1071.412578] ? lock_downgrade+0x740/0x740 [ 1071.416730] alloc_pages_current+0xec/0x1e0 [ 1071.421048] __page_cache_alloc+0x248/0x3e0 [ 1071.425371] filemap_fault+0xcef/0x1de0 [ 1071.429343] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1071.434288] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1071.438969] ? lock_acquire+0x16f/0x430 [ 1071.442948] ? ext4_filemap_fault+0x7b/0xb0 [ 1071.447284] ext4_filemap_fault+0x83/0xb0 [ 1071.451449] __do_fault+0x104/0x390 [ 1071.455078] __handle_mm_fault+0x23bd/0x33d0 [ 1071.459501] ? copy_page_range+0x1de0/0x1de0 [ 1071.463968] ? find_held_lock+0x35/0x130 [ 1071.468049] ? handle_mm_fault+0x1b6/0x7c0 [ 1071.472307] handle_mm_fault+0x293/0x7c0 [ 1071.476457] __do_page_fault+0x4c1/0xb80 [ 1071.480540] ? vmalloc_fault+0xe30/0xe30 [ 1071.484602] ? page_fault+0x2f/0x50 [ 1071.488248] do_page_fault+0x71/0x511 [ 1071.492071] ? page_fault+0x2f/0x50 [ 1071.495699] page_fault+0x45/0x50 [ 1071.499151] RIP: 0033:0x41518a [ 1071.502335] RSP: 002b:00007fffe00b9d98 EFLAGS: 00010246 [ 1071.507727] RAX: 000000000000020d RBX: 0000000000000000 RCX: 000000000041518a [ 1071.515003] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1071.522272] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1071.529554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1071.536832] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1071.585413] Mem-Info: [ 1071.587886] active_anon:156561 inactive_anon:483 isolated_anon:0 [ 1071.587886] active_file:241 inactive_file:176 isolated_file:20 [ 1071.587886] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1071.587886] slab_reclaimable:14682 slab_unreclaimable:117931 [ 1071.587886] mapped:52290 shmem:537 pagetables:4786 bounce:0 [ 1071.587886] free:13706 free_pcp:94 free_cma:0 [ 1071.757347] Node 0 active_anon:553232kB inactive_anon:1924kB active_file:924kB inactive_file:768kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1560kB writeback:4kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1071.797081] Node 1 active_anon:73012kB inactive_anon:8kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1071.836615] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:32kB inactive_file:12kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1071.881900] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1071.886987] Node 0 DMA32 free:18084kB min:36380kB low:45472kB high:54564kB active_anon:553184kB inactive_anon:1924kB active_file:792kB inactive_file:752kB unevictable:0kB writepending:1504kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9568kB pagetables:17216kB bounce:0kB free_pcp:112kB local_pcp:0kB free_cma:0kB [ 1071.916333] lowmem_reserve[]: 0 0 0 0 0 [ 1071.920422] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1071.946850] lowmem_reserve[]: 0 0 0 0 0 [ 1071.955930] Node 1 Normal free:26620kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:0kB inactive_file:44kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3520kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1071.994303] lowmem_reserve[]: 0 0 0 0 0 [ 1071.998341] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1072.013834] Node 0 DMA32: 2571*4kB (UME) 796*8kB (ME) 49*16kB (UM) 8*32kB (UM) 5*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18140kB [ 1072.028032] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1072.038834] Node 1 Normal: 371*4kB (ME) 183*8kB (ME) 161*16kB (UM) 199*32kB (UME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26868kB [ 1072.054772] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1072.066667] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1072.075441] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1072.085210] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1072.093874] 960 total pagecache pages [ 1072.097684] 0 pages in swap cache [ 1072.109004] Swap cache stats: add 0, delete 0, find 0/0 [ 1072.114549] Free swap = 0kB [ 1072.117615] Total swap = 0kB [ 1072.132123] 1965979 pages RAM [ 1072.135256] 0 pages HighMem/MovableOnly [ 1072.139222] 335869 pages reserved [ 1072.154457] 0 pages cma reserved [ 1072.157890] Out of memory: Kill process 24264 (syz-executor.5) score 1005 or sacrifice child [ 1072.166606] Killed process 24264 (syz-executor.5) total-vm:72984kB, anon-rss:188kB, file-rss:34816kB, shmem-rss:0kB [ 1072.225676] oom_reaper: reaped process 24264 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1072.268598] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1072.281385] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1072.286195] CPU: 1 PID: 7252 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1072.293642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1072.302998] Call Trace: [ 1072.305592] dump_stack+0x142/0x197 [ 1072.309227] dump_header+0x177/0x6cd [ 1072.312951] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1072.318234] ? ___ratelimit+0x55/0x537 [ 1072.322134] oom_kill_process.cold+0x10/0xadd [ 1072.326628] ? oom_unkillable_task+0x294/0x390 [ 1072.331213] ? lock_downgrade+0x740/0x740 [ 1072.335375] out_of_memory+0x2ee/0x1180 [ 1072.339351] ? lock_acquire+0x16f/0x430 [ 1072.343332] ? oom_killer_disable+0x1d0/0x1d0 [ 1072.347859] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1072.352796] __alloc_pages_slowpath+0x2251/0x2930 [ 1072.357739] ? __alloc_pages_nodemask+0x3d1/0x7a0 [ 1072.362586] ? warn_alloc+0xf0/0xf0 [ 1072.366231] ? __might_sleep+0x93/0xb0 [ 1072.370122] __alloc_pages_nodemask+0x62c/0x7a0 [ 1072.374796] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1072.379811] ? lock_downgrade+0x740/0x740 [ 1072.383988] alloc_pages_current+0xec/0x1e0 [ 1072.388324] __page_cache_alloc+0x248/0x3e0 [ 1072.392656] filemap_fault+0xcef/0x1de0 [ 1072.396632] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1072.401576] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1072.406795] ? lock_acquire+0x16f/0x430 [ 1072.410773] ? ext4_filemap_fault+0x7b/0xb0 [ 1072.415103] ext4_filemap_fault+0x83/0xb0 [ 1072.419254] __do_fault+0x104/0x390 [ 1072.422886] __handle_mm_fault+0x23bd/0x33d0 [ 1072.427298] ? copy_page_range+0x1de0/0x1de0 [ 1072.431709] ? find_held_lock+0x35/0x130 [ 1072.435767] ? handle_mm_fault+0x1b6/0x7c0 [ 1072.440016] handle_mm_fault+0x293/0x7c0 [ 1072.444204] __do_page_fault+0x4c1/0xb80 [ 1072.448272] ? vmalloc_fault+0xe30/0xe30 [ 1072.452333] ? page_fault+0x2f/0x50 [ 1072.456046] do_page_fault+0x71/0x511 [ 1072.459847] ? page_fault+0x2f/0x50 [ 1072.463489] page_fault+0x45/0x50 [ 1072.466942] RIP: 0033:0x410382 [ 1072.470127] RSP: 002b:000000c436c09a10 EFLAGS: 00010283 [ 1072.475489] RAX: 00007fb6aba1d6c8 RBX: 0000000000000000 RCX: 000000c420000180 [ 1072.482756] RDX: 000000c42013a800 RSI: 0000000000000030 RDI: 0000000000884100 [ 1072.490027] RBP: 000000c436c09aa0 R08: 0000000000000000 R09: 0000000000000006 [ 1072.497315] R10: 0000000000c6cd80 R11: 0000000000000000 R12: 0000000000000000 [ 1072.504585] R13: 000000c436c09bf8 R14: 000000c436c09bf8 R15: 0000000000000000 [ 1072.527823] Mem-Info: [ 1072.530295] active_anon:156506 inactive_anon:483 isolated_anon:0 [ 1072.530295] active_file:190 inactive_file:209 isolated_file:0 [ 1072.530295] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1072.530295] slab_reclaimable:14684 slab_unreclaimable:117135 [ 1072.530295] mapped:52290 shmem:537 pagetables:4770 bounce:0 [ 1072.530295] free:13706 free_pcp:0 free_cma:0 [ 1072.572551] Node 0 active_anon:553012kB inactive_anon:1924kB active_file:876kB inactive_file:728kB unevictable:0kB isolated(anon):0kB isolated(file):100kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1072.601014] Node 1 active_anon:73012kB inactive_anon:8kB active_file:8kB inactive_file:92kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1072.633476] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:16kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1072.662619] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1072.667786] Node 0 DMA32 free:18148kB min:36380kB low:45472kB high:54564kB active_anon:552964kB inactive_anon:1924kB active_file:784kB inactive_file:720kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9472kB pagetables:17152kB bounce:0kB free_pcp:232kB local_pcp:120kB free_cma:0kB [ 1072.703570] lowmem_reserve[]: 0 0 0 0 0 [ 1072.707826] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1072.733487] lowmem_reserve[]: 0 0 0 0 0 [ 1072.737496] Node 1 Normal free:26172kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:12kB inactive_file:88kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3488kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1072.767336] lowmem_reserve[]: 0 0 0 0 0 [ 1072.771400] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1072.787673] Node 0 DMA32: 2573*4kB (UME) 798*8kB (UME) 46*16kB (M) 9*32kB (UM) 5*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18148kB [ 1072.807985] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1072.818868] Node 1 Normal: 357*4kB (ME) 184*8kB (UME) 156*16kB (UM) 185*32kB (UME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26292kB [ 1072.838130] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1072.859077] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1072.867702] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1072.882560] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1072.891216] 969 total pagecache pages [ 1072.895021] 0 pages in swap cache [ 1072.898463] Swap cache stats: add 0, delete 0, find 0/0 [ 1072.904731] Free swap = 0kB [ 1072.907756] Total swap = 0kB [ 1072.910835] 1965979 pages RAM [ 1072.913937] 0 pages HighMem/MovableOnly [ 1072.917897] 335869 pages reserved [ 1072.921438] 0 pages cma reserved [ 1072.924802] Out of memory: Kill process 31021 (syz-executor.0) score 1005 or sacrifice child [ 1072.933483] Killed process 31021 (syz-executor.0) total-vm:72984kB, anon-rss:188kB, file-rss:34816kB, shmem-rss:0kB [ 1072.989142] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1073.022028] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1073.026830] CPU: 0 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1073.034284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1073.043632] Call Trace: [ 1073.046209] dump_stack+0x142/0x197 [ 1073.049866] dump_header+0x177/0x6cd [ 1073.053610] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1073.058810] ? ___ratelimit+0x55/0x537 [ 1073.062698] oom_kill_process.cold+0x10/0xadd [ 1073.067174] ? oom_unkillable_task+0x294/0x390 [ 1073.071760] ? lock_downgrade+0x740/0x740 [ 1073.075912] out_of_memory+0x2ee/0x1180 [ 1073.079883] ? lock_acquire+0x16f/0x430 [ 1073.084218] ? oom_killer_disable+0x1d0/0x1d0 [ 1073.088784] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1073.093733] __alloc_pages_slowpath+0x2251/0x2930 [ 1073.098567] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1073.103506] ? warn_alloc+0xf0/0xf0 [ 1073.107467] ? __might_sleep+0x93/0xb0 [ 1073.111338] __alloc_pages_nodemask+0x62c/0x7a0 [ 1073.115990] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1073.121003] ? lock_downgrade+0x740/0x740 [ 1073.125238] alloc_pages_current+0xec/0x1e0 [ 1073.130065] __page_cache_alloc+0x248/0x3e0 [ 1073.134906] filemap_fault+0xcef/0x1de0 [ 1073.138872] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1073.143794] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1073.148444] ? lock_acquire+0x16f/0x430 [ 1073.152588] ? ext4_filemap_fault+0x7b/0xb0 [ 1073.157085] ext4_filemap_fault+0x83/0xb0 [ 1073.161318] __do_fault+0x104/0x390 [ 1073.164929] __handle_mm_fault+0x23bd/0x33d0 [ 1073.169320] ? copy_page_range+0x1de0/0x1de0 [ 1073.173711] ? find_held_lock+0x35/0x130 [ 1073.177850] ? handle_mm_fault+0x1b6/0x7c0 [ 1073.182071] handle_mm_fault+0x293/0x7c0 [ 1073.186120] __do_page_fault+0x4c1/0xb80 [ 1073.190178] ? vmalloc_fault+0xe30/0xe30 [ 1073.194233] ? page_fault+0x2f/0x50 [ 1073.197857] do_page_fault+0x71/0x511 [ 1073.211823] ? page_fault+0x2f/0x50 [ 1073.215450] page_fault+0x45/0x50 [ 1073.218883] RIP: 0033:0x4284f0 [ 1073.222066] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1073.227424] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1073.234765] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1073.242027] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1073.249278] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1073.257400] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1073.271629] Mem-Info: [ 1073.274085] active_anon:156469 inactive_anon:483 isolated_anon:0 [ 1073.274085] active_file:264 inactive_file:163 isolated_file:0 [ 1073.274085] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1073.274085] slab_reclaimable:14685 slab_unreclaimable:117147 [ 1073.274085] mapped:52290 shmem:537 pagetables:4744 bounce:0 [ 1073.274085] free:13715 free_pcp:30 free_cma:0 [ 1073.307531] Node 0 active_anon:552864kB inactive_anon:1924kB active_file:940kB inactive_file:592kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1073.335832] Node 1 active_anon:73012kB inactive_anon:8kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1073.362285] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1073.401904] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1073.406978] Node 0 DMA32 free:18028kB min:36380kB low:45472kB high:54564kB active_anon:552816kB inactive_anon:1924kB active_file:976kB inactive_file:716kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9472kB pagetables:17048kB bounce:0kB free_pcp:232kB local_pcp:120kB free_cma:0kB [ 1073.446074] lowmem_reserve[]: 0 0 0 0 0 [ 1073.450175] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1073.478512] lowmem_reserve[]: 0 0 0 0 0 [ 1073.485188] Node 1 Normal free:26388kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:80kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3456kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1073.518354] lowmem_reserve[]: 0 0 0 0 0 [ 1073.523269] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1073.539375] Node 0 DMA32: 2573*4kB (UME) 799*8kB (UME) 46*16kB (M) 7*32kB (M) 4*64kB (M) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18028kB [ 1073.553400] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1073.568219] Node 1 Normal: 357*4kB (ME) 192*8kB (UME) 156*16kB (UM) 186*32kB (UME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26388kB [ 1073.593125] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1073.604270] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1073.614384] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1073.623356] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1073.633436] 969 total pagecache pages [ 1073.637255] 0 pages in swap cache [ 1073.640764] Swap cache stats: add 0, delete 0, find 0/0 [ 1073.646127] Free swap = 0kB [ 1073.649138] Total swap = 0kB [ 1073.653034] 1965979 pages RAM [ 1073.656145] 0 pages HighMem/MovableOnly [ 1073.660170] 335869 pages reserved [ 1073.663635] 0 pages cma reserved [ 1073.667008] Out of memory: Kill process 4184 (syz-executor.0) score 1005 or sacrifice child [ 1073.675553] Killed process 4184 (syz-executor.0) total-vm:72852kB, anon-rss:188kB, file-rss:34816kB, shmem-rss:0kB [ 1073.817426] kworker/u4:6 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1073.842975] kworker/u4:6 cpuset=/ mems_allowed=0-1 [ 1073.847965] CPU: 1 PID: 8805 Comm: kworker/u4:6 Not tainted 4.14.167-syzkaller #0 [ 1073.856241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1073.865612] Workqueue: netns cleanup_net [ 1073.872127] Call Trace: [ 1073.874733] dump_stack+0x142/0x197 [ 1073.878377] dump_header+0x177/0x6cd [ 1073.882102] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1073.889019] ? ___ratelimit+0x55/0x537 [ 1073.893353] oom_kill_process.cold+0x10/0xadd [ 1073.898114] ? oom_unkillable_task+0x294/0x390 [ 1073.904296] ? lock_downgrade+0x740/0x740 [ 1073.908610] out_of_memory+0x2ee/0x1180 [ 1073.912720] ? lock_acquire+0x16f/0x430 [ 1073.917017] ? oom_killer_disable+0x1d0/0x1d0 [ 1073.921520] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1073.926689] __alloc_pages_slowpath+0x2251/0x2930 [ 1073.932048] ? warn_alloc+0xf0/0xf0 [ 1073.935813] ? __might_sleep+0x93/0xb0 [ 1073.940019] __alloc_pages_nodemask+0x62c/0x7a0 [ 1073.944712] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1073.950605] ? cache_grow_begin+0x335/0x400 [ 1073.955117] cache_grow_begin+0x80/0x400 [ 1073.959490] ? __cpuset_node_allowed+0xff/0x450 [ 1073.964174] fallback_alloc+0x1fd/0x2c0 [ 1073.968154] ____cache_alloc_node+0x1be/0x1d0 [ 1073.972653] kmem_cache_alloc_node+0xe3/0x780 [ 1073.977267] __alloc_skb+0x9c/0x500 [ 1073.980911] ? skb_trim+0x180/0x180 [ 1073.984544] ? if_nlmsg_size+0x38f/0x810 [ 1073.988613] rtmsg_ifinfo_build_skb+0x72/0x140 [ 1073.993213] rollback_registered_many+0x78f/0xb60 [ 1073.998168] ? netdev_info+0xf0/0xf0 [ 1074.001892] ? save_trace+0x290/0x290 [ 1074.005701] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1074.010643] unregister_netdevice_many.part.0+0x1b/0x1e0 [ 1074.016115] unregister_netdevice_many+0x3b/0x50 [ 1074.020879] ip_tunnel_delete_net+0x273/0x330 [ 1074.025383] ? __ip_tunnel_create+0x450/0x450 [ 1074.029890] ipip_exit_net+0x11b/0x1f0 [ 1074.033781] ? ipip_rcv+0x20/0x20 [ 1074.037231] ops_exit_list.isra.0+0xaa/0x150 [ 1074.041648] cleanup_net+0x3ba/0x870 [ 1074.045368] ? net_drop_ns+0x80/0x80 [ 1074.049236] ? __lock_is_held+0xb6/0x140 [ 1074.053304] ? check_preemption_disabled+0x3c/0x250 [ 1074.058333] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1074.063790] process_one_work+0x863/0x1600 [ 1074.068037] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1074.072722] worker_thread+0x5d9/0x1050 [ 1074.076718] kthread+0x319/0x430 [ 1074.080087] ? process_one_work+0x1600/0x1600 [ 1074.086015] ? kthread_create_on_node+0xd0/0xd0 [ 1074.091066] ret_from_fork+0x24/0x30 [ 1074.110143] Mem-Info: [ 1074.112994] active_anon:156435 inactive_anon:483 isolated_anon:0 [ 1074.112994] active_file:249 inactive_file:161 isolated_file:0 [ 1074.112994] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1074.112994] slab_reclaimable:14685 slab_unreclaimable:117145 [ 1074.112994] mapped:52290 shmem:537 pagetables:4718 bounce:0 [ 1074.112994] free:13693 free_pcp:30 free_cma:0 [ 1074.165337] Node 0 active_anon:552728kB inactive_anon:1924kB active_file:952kB inactive_file:728kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1074.211470] Node 1 active_anon:73012kB inactive_anon:8kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1074.267662] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:24kB inactive_file:52kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1074.306002] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1074.311117] Node 0 DMA32 free:18100kB min:36380kB low:45472kB high:54564kB active_anon:552680kB inactive_anon:1924kB active_file:944kB inactive_file:688kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9472kB pagetables:16944kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1074.352302] lowmem_reserve[]: 0 0 0 0 0 [ 1074.356328] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1074.399625] lowmem_reserve[]: 0 0 0 0 0 [ 1074.405385] Node 1 Normal free:26388kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:80kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3456kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1074.447178] lowmem_reserve[]: 0 0 0 0 0 [ 1074.452550] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1074.476863] Node 0 DMA32: 2571*4kB (ME) 784*8kB (UME) 46*16kB (UM) 8*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17996kB [ 1074.494141] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1074.526718] Node 1 Normal: 357*4kB (ME) 192*8kB (UME) 156*16kB (UM) 186*32kB (UME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26388kB [ 1074.555281] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1074.564575] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1074.584844] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1074.593784] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1074.610655] 969 total pagecache pages [ 1074.614575] 0 pages in swap cache [ 1074.618028] Swap cache stats: add 0, delete 0, find 0/0 [ 1074.623447] Free swap = 0kB [ 1074.626493] Total swap = 0kB [ 1074.629611] 1965979 pages RAM [ 1074.638135] 0 pages HighMem/MovableOnly [ 1074.659090] 335869 pages reserved [ 1074.662694] 0 pages cma reserved [ 1074.666207] Out of memory: Kill process 22746 (syz-executor.2) score 1005 or sacrifice child [ 1074.685556] Killed process 22746 (syz-executor.2) total-vm:72984kB, anon-rss:184kB, file-rss:34816kB, shmem-rss:0kB [ 1074.747447] oom_reaper: reaped process 22746 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1074.797041] kworker/0:2 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1074.817249] kworker/0:2 cpuset=/ mems_allowed=0-1 [ 1074.822192] CPU: 0 PID: 2866 Comm: kworker/0:2 Not tainted 4.14.167-syzkaller #0 [ 1074.829809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1074.839500] Workqueue: md_misc mddev_delayed_delete [ 1074.844595] Call Trace: [ 1074.847324] dump_stack+0x142/0x197 [ 1074.851203] dump_header+0x177/0x6cd [ 1074.854908] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1074.860145] ? ___ratelimit+0x55/0x537 [ 1074.864028] oom_kill_process.cold+0x10/0xadd [ 1074.868528] ? oom_unkillable_task+0x294/0x390 [ 1074.873099] ? lock_downgrade+0x740/0x740 [ 1074.877259] out_of_memory+0x2ee/0x1180 [ 1074.881243] ? lock_acquire+0x16f/0x430 [ 1074.885238] ? oom_killer_disable+0x1d0/0x1d0 [ 1074.889765] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1074.894685] __alloc_pages_slowpath+0x2251/0x2930 [ 1074.899859] ? warn_alloc+0xf0/0xf0 [ 1074.903834] ? __might_sleep+0x93/0xb0 [ 1074.907999] __alloc_pages_nodemask+0x62c/0x7a0 [ 1074.912935] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1074.918051] ? cache_grow_begin+0x335/0x400 [ 1074.922906] cache_grow_begin+0x80/0x400 [ 1074.927027] ? __cpuset_node_allowed+0xff/0x450 [ 1074.931808] fallback_alloc+0x1fd/0x2c0 [ 1074.936038] ____cache_alloc_node+0x1be/0x1d0 [ 1074.940624] kmem_cache_alloc_node+0xe3/0x780 [ 1074.945125] __alloc_skb+0x9c/0x500 [ 1074.948823] ? skb_trim+0x180/0x180 [ 1074.952511] ? netlink_has_listeners+0x20a/0x330 [ 1074.957329] kobject_uevent_env+0x6ea/0xc80 [ 1074.961960] ? wait_for_completion+0x420/0x420 [ 1074.966534] kobject_uevent+0x20/0x30 [ 1074.970347] device_del+0x65c/0xaa0 [ 1074.974011] ? __device_links_no_driver+0x220/0x220 [ 1074.979018] ? synchronize_srcu+0x233/0x3e2 [ 1074.983403] ? simple_release_fs+0x8c/0xb0 [ 1074.987688] device_unregister+0x15/0x30 [ 1074.991748] bdi_unregister+0x42b/0x600 [ 1074.995727] ? wb_blkcg_offline+0x180/0x180 [ 1075.000211] ? kernfs_find_ns+0x1b5/0x290 [ 1075.004349] ? mutex_unlock+0xd/0x10 [ 1075.008058] ? kernfs_remove_by_name_ns+0x6b/0x90 [ 1075.012885] del_gendisk+0x405/0x820 [ 1075.016602] ? disk_events_poll_msecs_store+0x150/0x150 [ 1075.021958] ? blk_cleanup_queue+0x446/0x610 [ 1075.026363] md_free+0xc8/0x140 [ 1075.029630] ? lock_rdev+0x110/0x110 [ 1075.033360] kobject_put+0x14e/0x210 [ 1075.037081] mddev_delayed_delete+0x34/0x40 [ 1075.041397] process_one_work+0x863/0x1600 [ 1075.045665] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1075.050347] worker_thread+0x5d9/0x1050 [ 1075.054327] kthread+0x319/0x430 [ 1075.058349] ? process_one_work+0x1600/0x1600 [ 1075.062836] ? kthread_create_on_node+0xd0/0xd0 [ 1075.067501] ret_from_fork+0x24/0x30 [ 1075.082466] Mem-Info: [ 1075.087374] active_anon:156395 inactive_anon:483 isolated_anon:0 [ 1075.087374] active_file:235 inactive_file:200 isolated_file:0 [ 1075.087374] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1075.087374] slab_reclaimable:14685 slab_unreclaimable:117154 [ 1075.087374] mapped:52290 shmem:537 pagetables:4681 bounce:0 [ 1075.087374] free:13699 free_pcp:57 free_cma:0 [ 1075.134459] Node 0 active_anon:552568kB inactive_anon:1924kB active_file:804kB inactive_file:748kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1075.171612] Node 1 active_anon:73012kB inactive_anon:8kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1075.203210] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1075.242694] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1075.247849] Node 0 DMA32 free:18040kB min:36380kB low:45472kB high:54564kB active_anon:552520kB inactive_anon:1924kB active_file:960kB inactive_file:728kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9472kB pagetables:16796kB bounce:0kB free_pcp:240kB local_pcp:128kB free_cma:0kB [ 1075.278342] lowmem_reserve[]: 0 0 0 0 0 [ 1075.282395] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1075.308295] lowmem_reserve[]: 0 0 0 0 0 [ 1075.312369] Node 1 Normal free:26388kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:76kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3456kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1075.340855] lowmem_reserve[]: 0 0 0 0 0 [ 1075.344867] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1075.360351] Node 0 DMA32: 2574*4kB (UME) 784*8kB (UME) 44*16kB (UM) 8*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18040kB [ 1075.374617] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1075.385435] Node 1 Normal: 357*4kB (ME) 192*8kB (UME) 156*16kB (UM) 186*32kB (UME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26388kB [ 1075.401681] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1075.440624] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1075.449356] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1075.458899] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1075.467737] 969 total pagecache pages [ 1075.472080] 0 pages in swap cache [ 1075.475622] Swap cache stats: add 0, delete 0, find 0/0 [ 1075.481100] Free swap = 0kB [ 1075.484330] Total swap = 0kB [ 1075.487407] 1965979 pages RAM [ 1075.490643] 0 pages HighMem/MovableOnly [ 1075.494702] 335869 pages reserved [ 1075.498473] 0 pages cma reserved [ 1075.501999] Out of memory: Kill process 24113 (syz-executor.0) score 1005 or sacrifice child [ 1075.511065] Killed process 24113 (syz-executor.0) total-vm:72852kB, anon-rss:184kB, file-rss:34816kB, shmem-rss:0kB [ 1075.627418] oom_reaper: reaped process 24113 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1075.775379] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1075.810607] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1075.817983] CPU: 1 PID: 7249 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1075.825470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1075.834868] Call Trace: [ 1075.837465] dump_stack+0x142/0x197 [ 1075.841105] dump_header+0x177/0x6cd [ 1075.844820] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1075.850048] ? ___ratelimit+0x55/0x537 [ 1075.853949] oom_kill_process.cold+0x10/0xadd [ 1075.858452] ? oom_unkillable_task+0x294/0x390 [ 1075.863153] ? lock_downgrade+0x740/0x740 [ 1075.867293] out_of_memory+0x2ee/0x1180 [ 1075.871269] ? lock_acquire+0x16f/0x430 [ 1075.875236] ? oom_killer_disable+0x1d0/0x1d0 [ 1075.879716] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1075.884633] __alloc_pages_slowpath+0x2251/0x2930 [ 1075.889536] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1075.894373] ? warn_alloc+0xf0/0xf0 [ 1075.898008] ? __might_sleep+0x93/0xb0 [ 1075.902076] __alloc_pages_nodemask+0x62c/0x7a0 [ 1075.906939] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1075.912391] ? lock_downgrade+0x740/0x740 [ 1075.922077] alloc_pages_current+0xec/0x1e0 [ 1075.926521] __page_cache_alloc+0x248/0x3e0 [ 1075.930952] filemap_fault+0xcef/0x1de0 [ 1075.935090] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1075.940586] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1075.945252] ? lock_acquire+0x16f/0x430 [ 1075.949228] ? ext4_filemap_fault+0x7b/0xb0 [ 1075.953572] ext4_filemap_fault+0x83/0xb0 [ 1075.958528] __do_fault+0x104/0x390 [ 1075.962342] __handle_mm_fault+0x23bd/0x33d0 [ 1075.966935] ? copy_page_range+0x1de0/0x1de0 [ 1075.971358] ? find_held_lock+0x35/0x130 [ 1075.975402] ? handle_mm_fault+0x1b6/0x7c0 [ 1075.979627] handle_mm_fault+0x293/0x7c0 [ 1075.983687] __do_page_fault+0x4c1/0xb80 [ 1075.987737] ? vmalloc_fault+0xe30/0xe30 [ 1075.991980] ? page_fault+0x2f/0x50 [ 1075.995597] do_page_fault+0x71/0x511 [ 1075.999396] ? page_fault+0x2f/0x50 [ 1076.003019] page_fault+0x45/0x50 [ 1076.006455] RIP: 0033:0x45b153 [ 1076.009633] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206 [ 1076.015002] RAX: ffffffffffffff92 RBX: 000000003b4f37a3 RCX: 000000000045b153 [ 1076.022262] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e120a0 [ 1076.029554] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1076.036815] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c427908218 [ 1076.044120] R13: 000000000000007f R14: 0000000000c8b140 R15: 0000000000000213 [ 1076.082415] Mem-Info: [ 1076.085227] active_anon:156360 inactive_anon:483 isolated_anon:0 [ 1076.085227] active_file:185 inactive_file:182 isolated_file:32 [ 1076.085227] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1076.085227] slab_reclaimable:14687 slab_unreclaimable:117152 [ 1076.085227] mapped:52290 shmem:537 pagetables:4666 bounce:0 [ 1076.085227] free:13733 free_pcp:31 free_cma:0 [ 1076.139571] Node 0 active_anon:552428kB inactive_anon:1924kB active_file:764kB inactive_file:768kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1076.181021] Node 1 active_anon:73012kB inactive_anon:8kB active_file:44kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1076.213639] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1076.245574] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1076.298258] Node 0 DMA32 free:18200kB min:36380kB low:45472kB high:54564kB active_anon:552380kB inactive_anon:1924kB active_file:888kB inactive_file:684kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9472kB pagetables:16736kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1076.340752] lowmem_reserve[]: 0 0 0 0 0 [ 1076.345068] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1076.373842] lowmem_reserve[]: 0 0 0 0 0 [ 1076.377873] Node 1 Normal free:26428kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:52kB inactive_file:8kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3456kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1076.412865] lowmem_reserve[]: 0 0 0 0 0 [ 1076.416992] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1076.432433] Node 0 DMA32: 2562*4kB (UME) 792*8kB (UME) 48*16kB (UM) 7*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18088kB [ 1076.446942] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1076.457834] Node 1 Normal: 369*4kB (UME) 192*8kB (UME) 156*16kB (UM) 186*32kB (UME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26436kB [ 1076.474256] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1076.483211] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1076.492284] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1076.501199] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1076.509866] 965 total pagecache pages [ 1076.513772] 0 pages in swap cache [ 1076.517329] Swap cache stats: add 0, delete 0, find 0/0 [ 1076.528104] Free swap = 0kB [ 1076.531224] Total swap = 0kB [ 1076.534370] 1965979 pages RAM [ 1076.537480] 0 pages HighMem/MovableOnly [ 1076.541508] 335869 pages reserved [ 1076.545142] 0 pages cma reserved [ 1076.548605] Out of memory: Kill process 31895 (syz-executor.0) score 1005 or sacrifice child [ 1076.557289] Killed process 31895 (syz-executor.0) total-vm:72852kB, anon-rss:184kB, file-rss:34816kB, shmem-rss:0kB [ 1076.602025] oom_reaper: reaped process 31895 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1076.633289] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1076.657793] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1076.662959] CPU: 0 PID: 7248 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1076.670412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1076.679770] Call Trace: [ 1076.682355] dump_stack+0x142/0x197 [ 1076.685998] ? perf_trace_drv_tdls_recv_channel_switch+0x540/0xd90 [ 1076.692325] dump_header+0x177/0x6cd [ 1076.696037] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1076.701148] ? ___ratelimit+0x55/0x537 [ 1076.705041] oom_kill_process.cold+0x10/0xadd [ 1076.709532] ? oom_unkillable_task+0x294/0x390 [ 1076.714117] ? lock_downgrade+0x740/0x740 [ 1076.718394] out_of_memory+0x2ee/0x1180 [ 1076.722381] ? lock_acquire+0x16f/0x430 [ 1076.726370] ? oom_killer_disable+0x1d0/0x1d0 [ 1076.730866] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1076.735798] __alloc_pages_slowpath+0x2251/0x2930 [ 1076.740663] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1076.745603] ? warn_alloc+0xf0/0xf0 [ 1076.749241] ? __might_sleep+0x93/0xb0 [ 1076.753134] __alloc_pages_nodemask+0x62c/0x7a0 [ 1076.757806] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1076.762821] ? lock_downgrade+0x740/0x740 [ 1076.766977] alloc_pages_current+0xec/0x1e0 [ 1076.771300] __page_cache_alloc+0x248/0x3e0 [ 1076.775624] filemap_fault+0xcef/0x1de0 [ 1076.779599] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1076.784652] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1076.789338] ? lock_acquire+0x16f/0x430 [ 1076.793316] ? ext4_filemap_fault+0x7b/0xb0 [ 1076.797650] ext4_filemap_fault+0x83/0xb0 [ 1076.801802] __do_fault+0x104/0x390 [ 1076.805431] __handle_mm_fault+0x23bd/0x33d0 [ 1076.809847] ? copy_page_range+0x1de0/0x1de0 [ 1076.814362] ? find_held_lock+0x35/0x130 [ 1076.818423] ? handle_mm_fault+0x1b6/0x7c0 [ 1076.822674] handle_mm_fault+0x293/0x7c0 [ 1076.826751] __do_page_fault+0x4c1/0xb80 [ 1076.830823] ? vmalloc_fault+0xe30/0xe30 [ 1076.834893] ? page_fault+0x2f/0x50 [ 1076.838534] do_page_fault+0x71/0x511 [ 1076.842409] ? page_fault+0x2f/0x50 [ 1076.846037] page_fault+0x45/0x50 [ 1076.849487] RIP: 0033:0x40ec10 [ 1076.852679] RSP: 002b:000000c42004fee0 EFLAGS: 00010216 [ 1076.858144] RAX: 0000000001e2bbd8 RBX: 0000000000000006 RCX: 000000c420000480 [ 1076.865413] RDX: 0000000022964e6e RSI: 000000c42004ff10 RDI: 000000c42004feec [ 1076.872695] RBP: 000000c42004ff18 R08: 00007fffb93ee000 R09: 00000117240ba8b2 [ 1076.879962] R10: 00114b2737000000 R11: 0000000000000001 R12: 000000000042f0a0 [ 1076.887226] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 1076.927543] Mem-Info: [ 1076.948465] active_anon:156321 inactive_anon:483 isolated_anon:0 [ 1076.948465] active_file:244 inactive_file:194 isolated_file:32 [ 1076.948465] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1076.948465] slab_reclaimable:14687 slab_unreclaimable:117171 [ 1076.948465] mapped:52290 shmem:537 pagetables:4640 bounce:0 [ 1076.948465] free:13743 free_pcp:30 free_cma:0 [ 1077.004360] Node 0 active_anon:552272kB inactive_anon:1924kB active_file:884kB inactive_file:820kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1077.043754] Node 1 active_anon:73012kB inactive_anon:8kB active_file:28kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1077.075811] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:32kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1077.141085] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1077.146174] Node 0 DMA32 free:17996kB min:36380kB low:45472kB high:54564kB active_anon:552224kB inactive_anon:1924kB active_file:932kB inactive_file:740kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9440kB pagetables:16632kB bounce:0kB free_pcp:232kB local_pcp:120kB free_cma:0kB [ 1077.208851] lowmem_reserve[]: 0 0 0 0 0 [ 1077.217895] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1077.265678] lowmem_reserve[]: 0 0 0 0 0 [ 1077.269722] Node 1 Normal free:26436kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:24kB inactive_file:28kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3456kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1077.309018] lowmem_reserve[]: 0 0 0 0 0 [ 1077.313108] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1077.334209] Node 0 DMA32: 2570*4kB (UME) 786*8kB (UME) 42*16kB (UM) 8*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18008kB [ 1077.355762] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1077.366567] Node 1 Normal: 369*4kB (UME) 192*8kB (UME) 156*16kB (UM) 186*32kB (UME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26436kB [ 1077.395828] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1077.419393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1077.428148] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1077.450105] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1077.458836] 967 total pagecache pages [ 1077.468263] 0 pages in swap cache [ 1077.477308] Swap cache stats: add 0, delete 0, find 0/0 [ 1077.483536] Free swap = 0kB [ 1077.486551] Total swap = 0kB [ 1077.489555] 1965979 pages RAM [ 1077.498187] 0 pages HighMem/MovableOnly [ 1077.502235] 335869 pages reserved [ 1077.505675] 0 pages cma reserved [ 1077.509023] Out of memory: Kill process 21790 (syz-executor.4) score 1005 or sacrifice child [ 1077.522003] Killed process 21790 (syz-executor.4) total-vm:72852kB, anon-rss:180kB, file-rss:34816kB, shmem-rss:0kB [ 1077.599008] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1077.632625] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1077.637761] CPU: 0 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1077.645214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1077.654658] Call Trace: [ 1077.657250] dump_stack+0x142/0x197 [ 1077.660883] dump_header+0x177/0x6cd [ 1077.664599] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1077.669702] ? ___ratelimit+0x55/0x537 [ 1077.673602] oom_kill_process.cold+0x10/0xadd [ 1077.678100] ? rcu_read_unlock_special+0x639/0xd40 [ 1077.683032] ? lock_downgrade+0x740/0x740 [ 1077.687188] out_of_memory+0x2ee/0x1180 [ 1077.691161] ? lock_acquire+0x16f/0x430 [ 1077.695142] ? oom_killer_disable+0x1d0/0x1d0 [ 1077.699618] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1077.704544] __alloc_pages_slowpath+0x2251/0x2930 [ 1077.709386] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1077.714230] ? warn_alloc+0xf0/0xf0 [ 1077.717865] ? __might_sleep+0x93/0xb0 [ 1077.721755] __alloc_pages_nodemask+0x62c/0x7a0 [ 1077.726432] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1077.731466] ? lock_downgrade+0x740/0x740 [ 1077.735601] alloc_pages_current+0xec/0x1e0 [ 1077.739903] __page_cache_alloc+0x248/0x3e0 [ 1077.744215] filemap_fault+0xcef/0x1de0 [ 1077.748198] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1077.753138] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1077.757798] ? lock_acquire+0x16f/0x430 [ 1077.761763] ? ext4_filemap_fault+0x7b/0xb0 [ 1077.766097] ext4_filemap_fault+0x83/0xb0 [ 1077.770253] __do_fault+0x104/0x390 [ 1077.773882] __handle_mm_fault+0x23bd/0x33d0 [ 1077.778295] ? copy_page_range+0x1de0/0x1de0 [ 1077.782703] ? find_held_lock+0x35/0x130 [ 1077.786768] ? handle_mm_fault+0x1b6/0x7c0 [ 1077.791033] handle_mm_fault+0x293/0x7c0 [ 1077.795103] __do_page_fault+0x4c1/0xb80 [ 1077.799164] ? vmalloc_fault+0xe30/0xe30 [ 1077.803227] ? page_fault+0x2f/0x50 [ 1077.806933] do_page_fault+0x71/0x511 [ 1077.810742] ? page_fault+0x2f/0x50 [ 1077.814370] page_fault+0x45/0x50 [ 1077.817818] RIP: 0033:0x4284f0 [ 1077.821007] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1077.826387] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1077.833659] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1077.840945] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1077.848225] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1077.855481] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1077.887771] Mem-Info: [ 1077.896905] active_anon:156296 inactive_anon:483 isolated_anon:0 [ 1077.896905] active_file:195 inactive_file:206 isolated_file:0 [ 1077.896905] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1077.896905] slab_reclaimable:14687 slab_unreclaimable:117182 [ 1077.896905] mapped:52290 shmem:537 pagetables:4603 bounce:0 [ 1077.896905] free:13738 free_pcp:30 free_cma:0 [ 1077.947042] Node 0 active_anon:552172kB inactive_anon:1924kB active_file:868kB inactive_file:896kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1077.988069] Node 1 active_anon:73012kB inactive_anon:8kB active_file:4kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1078.021520] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:20kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1078.048086] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1078.053178] Node 0 DMA32 free:18116kB min:36380kB low:45472kB high:54564kB active_anon:552124kB inactive_anon:1924kB active_file:804kB inactive_file:724kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9440kB pagetables:16484kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1078.085325] lowmem_reserve[]: 0 0 0 0 0 [ 1078.089358] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1078.120456] lowmem_reserve[]: 0 0 0 0 0 [ 1078.124758] Node 1 Normal free:26436kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:28kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3456kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1078.163953] lowmem_reserve[]: 0 0 0 0 0 [ 1078.167985] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1078.192608] Node 0 DMA32: 2568*4kB (ME) 787*8kB (UME) 47*16kB (UM) 9*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18120kB [ 1078.209998] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1078.241429] Node 1 Normal: 369*4kB (UME) 192*8kB (UME) 156*16kB (UM) 186*32kB (UME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26436kB [ 1078.272229] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1078.286100] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1078.309342] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1078.318299] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1078.337535] 967 total pagecache pages [ 1078.342234] 0 pages in swap cache [ 1078.346848] Swap cache stats: add 0, delete 0, find 0/0 [ 1078.367779] Free swap = 0kB [ 1078.377756] Total swap = 0kB [ 1078.410190] 1965979 pages RAM [ 1078.417834] 0 pages HighMem/MovableOnly [ 1078.424684] 335869 pages reserved [ 1078.428321] 0 pages cma reserved [ 1078.442743] Out of memory: Kill process 22272 (syz-executor.4) score 1005 or sacrifice child [ 1078.459667] Killed process 22272 (syz-executor.4) total-vm:72852kB, anon-rss:180kB, file-rss:34816kB, shmem-rss:0kB [ 1078.543204] oom_reaper: reaped process 22272 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1078.612278] init invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1078.646518] init cpuset=/ mems_allowed=0-1 [ 1078.656274] CPU: 0 PID: 1 Comm: init Not tainted 4.14.167-syzkaller #0 [ 1078.662954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1078.672311] Call Trace: [ 1078.674900] dump_stack+0x142/0x197 [ 1078.678536] dump_header+0x177/0x6cd [ 1078.682251] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1078.687469] ? ___ratelimit+0x55/0x537 [ 1078.691361] oom_kill_process.cold+0x10/0xadd [ 1078.695874] ? oom_unkillable_task+0x294/0x390 [ 1078.700481] ? lock_downgrade+0x740/0x740 [ 1078.704636] out_of_memory+0x2ee/0x1180 [ 1078.708642] ? lock_acquire+0x16f/0x430 [ 1078.712616] ? oom_killer_disable+0x1d0/0x1d0 [ 1078.717107] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1078.722042] __alloc_pages_slowpath+0x2251/0x2930 [ 1078.726889] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1078.731740] ? warn_alloc+0xf0/0xf0 [ 1078.735465] ? __might_sleep+0x93/0xb0 [ 1078.739360] __alloc_pages_nodemask+0x62c/0x7a0 [ 1078.744040] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1078.749053] ? lock_downgrade+0x740/0x740 [ 1078.753209] alloc_pages_current+0xec/0x1e0 [ 1078.757530] __page_cache_alloc+0x248/0x3e0 [ 1078.761852] filemap_fault+0xcef/0x1de0 [ 1078.765821] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1078.770764] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1078.775431] ? lock_acquire+0x16f/0x430 [ 1078.779398] ? ext4_filemap_fault+0x7b/0xb0 [ 1078.783728] ext4_filemap_fault+0x83/0xb0 [ 1078.787870] __do_fault+0x104/0x390 [ 1078.791499] __handle_mm_fault+0x23bd/0x33d0 [ 1078.795907] ? copy_page_range+0x1de0/0x1de0 [ 1078.800313] ? find_held_lock+0x35/0x130 [ 1078.804372] ? handle_mm_fault+0x1b6/0x7c0 [ 1078.808605] handle_mm_fault+0x293/0x7c0 [ 1078.812661] __do_page_fault+0x4c1/0xb80 [ 1078.816725] ? vmalloc_fault+0xe30/0xe30 [ 1078.820799] ? page_fault+0x2f/0x50 [ 1078.824423] do_page_fault+0x71/0x511 [ 1078.828218] ? page_fault+0x2f/0x50 [ 1078.831844] page_fault+0x45/0x50 [ 1078.835294] RIP: 0033:0x402488 [ 1078.838488] RSP: 002b:00007ffe66c423f8 EFLAGS: 00010202 [ 1078.843845] RAX: 0000000000000000 RBX: 00007ffe66c42520 RCX: 00007f5439136dd3 [ 1078.851110] RDX: 0000000000000000 RSI: 00007ffe66c42330 RDI: 00007ffe66c42520 [ 1078.858377] RBP: 0000000000000000 R08: 00007ffe66c423b0 R09: 0000000000000001 [ 1078.865646] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 1078.872912] R13: 00007ffe66c42710 R14: 0000000000000000 R15: 0000000000000000 [ 1078.905731] Mem-Info: [ 1078.908255] active_anon:156246 inactive_anon:483 isolated_anon:0 [ 1078.908255] active_file:211 inactive_file:211 isolated_file:0 [ 1078.908255] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1078.908255] slab_reclaimable:14688 slab_unreclaimable:117207 [ 1078.908255] mapped:52290 shmem:537 pagetables:4588 bounce:0 [ 1078.908255] free:13777 free_pcp:24 free_cma:0 [ 1078.958456] Node 0 active_anon:551972kB inactive_anon:1924kB active_file:856kB inactive_file:628kB unevictable:0kB isolated(anon):0kB isolated(file):112kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1078.992305] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1079.038144] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:16kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1079.075025] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1079.083317] Node 0 DMA32 free:18112kB min:36380kB low:45472kB high:54564kB active_anon:551924kB inactive_anon:1924kB active_file:872kB inactive_file:696kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9376kB pagetables:16424kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1079.115161] lowmem_reserve[]: 0 0 0 0 0 [ 1079.119322] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1079.144762] lowmem_reserve[]: 0 0 0 0 0 [ 1079.148766] Node 1 Normal free:26448kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3456kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1079.177336] lowmem_reserve[]: 0 0 0 0 0 [ 1079.215764] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1079.256414] Node 0 DMA32: 2577*4kB (UME) 787*8kB (UME) 45*16kB (M) 7*32kB (M) 5*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17996kB [ 1079.276289] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1079.287181] Node 1 Normal: 372*4kB (UME) 192*8kB (UME) 156*16kB (UM) 186*32kB (UME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26448kB [ 1079.303300] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1079.317349] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1079.326002] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1079.334915] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1079.345379] 960 total pagecache pages [ 1079.349194] 0 pages in swap cache [ 1079.352769] Swap cache stats: add 0, delete 0, find 0/0 [ 1079.358125] Free swap = 0kB [ 1079.362108] Total swap = 0kB [ 1079.365141] 1965979 pages RAM [ 1079.368373] 0 pages HighMem/MovableOnly [ 1079.415381] 335869 pages reserved [ 1079.418859] 0 pages cma reserved [ 1079.446936] Out of memory: Kill process 22866 (syz-executor.1) score 1005 or sacrifice child [ 1079.456532] Killed process 22866 (syz-executor.1) total-vm:72852kB, anon-rss:180kB, file-rss:34816kB, shmem-rss:0kB [ 1079.562729] kworker/0:2 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1079.581433] kworker/0:2 cpuset=/ mems_allowed=0-1 [ 1079.586322] CPU: 0 PID: 2866 Comm: kworker/0:2 Not tainted 4.14.167-syzkaller #0 [ 1079.593851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1079.603213] Workqueue: md_misc mddev_delayed_delete [ 1079.608224] Call Trace: [ 1079.610813] dump_stack+0x142/0x197 [ 1079.614443] dump_header+0x177/0x6cd [ 1079.618152] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1079.623249] ? ___ratelimit+0x55/0x537 [ 1079.627135] oom_kill_process.cold+0x10/0xadd [ 1079.631630] ? oom_unkillable_task+0x294/0x390 [ 1079.636212] ? lock_downgrade+0x740/0x740 [ 1079.640368] out_of_memory+0x2ee/0x1180 [ 1079.644337] ? lock_acquire+0x16f/0x430 [ 1079.648313] ? oom_killer_disable+0x1d0/0x1d0 [ 1079.652813] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1079.657741] __alloc_pages_slowpath+0x2251/0x2930 [ 1079.662596] ? warn_alloc+0xf0/0xf0 [ 1079.666240] ? __might_sleep+0x93/0xb0 [ 1079.670134] __alloc_pages_nodemask+0x62c/0x7a0 [ 1079.674809] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1079.679835] ? cache_grow_begin+0x335/0x400 [ 1079.684163] cache_grow_begin+0x80/0x400 [ 1079.688214] ? __cpuset_node_allowed+0xff/0x450 [ 1079.692876] fallback_alloc+0x1fd/0x2c0 [ 1079.696856] ____cache_alloc_node+0x1be/0x1d0 [ 1079.701360] kmem_cache_alloc_node+0xe3/0x780 [ 1079.705857] __alloc_skb+0x9c/0x500 [ 1079.709558] ? skb_trim+0x180/0x180 [ 1079.713175] ? netlink_has_listeners+0x20a/0x330 [ 1079.717933] kobject_uevent_env+0x6ea/0xc80 [ 1079.722256] ? wait_for_completion+0x420/0x420 [ 1079.726846] kobject_uevent+0x20/0x30 [ 1079.730648] device_del+0x65c/0xaa0 [ 1079.734277] ? __device_links_no_driver+0x220/0x220 [ 1079.739299] ? synchronize_srcu+0x233/0x3e2 [ 1079.743621] ? simple_release_fs+0x8c/0xb0 [ 1079.747861] device_unregister+0x15/0x30 [ 1079.751957] bdi_unregister+0x42b/0x600 [ 1079.755938] ? wb_blkcg_offline+0x180/0x180 [ 1079.760256] ? kernfs_find_ns+0x1b5/0x290 [ 1079.764402] ? mutex_unlock+0xd/0x10 [ 1079.768111] ? kernfs_remove_by_name_ns+0x6b/0x90 [ 1079.772964] del_gendisk+0x405/0x820 [ 1079.776677] ? disk_events_poll_msecs_store+0x150/0x150 [ 1079.782047] ? blk_cleanup_queue+0x446/0x610 [ 1079.786454] md_free+0xc8/0x140 [ 1079.789726] ? lock_rdev+0x110/0x110 [ 1079.793439] kobject_put+0x14e/0x210 [ 1079.797183] mddev_delayed_delete+0x34/0x40 [ 1079.801503] process_one_work+0x863/0x1600 [ 1079.805741] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1079.810420] worker_thread+0x5d9/0x1050 [ 1079.814407] kthread+0x319/0x430 [ 1079.817767] ? process_one_work+0x1600/0x1600 [ 1079.822258] ? kthread_create_on_node+0xd0/0xd0 [ 1079.826922] ret_from_fork+0x24/0x30 [ 1079.875549] Mem-Info: [ 1079.878015] active_anon:156206 inactive_anon:483 isolated_anon:0 [ 1079.878015] active_file:214 inactive_file:213 isolated_file:0 [ 1079.878015] unevictable:0 dirty:397 writeback:1 unstable:0 [ 1079.878015] slab_reclaimable:14688 slab_unreclaimable:117217 [ 1079.878015] mapped:52290 shmem:537 pagetables:4562 bounce:0 [ 1079.878015] free:13739 free_pcp:86 free_cma:0 [ 1079.937183] Node 0 active_anon:551812kB inactive_anon:1924kB active_file:856kB inactive_file:820kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:4kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1080.020575] Node 1 active_anon:73012kB inactive_anon:8kB active_file:0kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1080.077035] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1080.140686] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1080.145774] Node 0 DMA32 free:18144kB min:36380kB low:45472kB high:54564kB active_anon:551764kB inactive_anon:1924kB active_file:932kB inactive_file:572kB unevictable:0kB writepending:1504kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9376kB pagetables:16320kB bounce:0kB free_pcp:324kB local_pcp:124kB free_cma:0kB [ 1080.180701] lowmem_reserve[]: 0 0 0 0 0 [ 1080.184725] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1080.210065] lowmem_reserve[]: 0 0 0 0 0 [ 1080.214080] Node 1 Normal free:26448kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:0kB inactive_file:60kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3456kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1080.248515] lowmem_reserve[]: 0 0 0 0 0 [ 1080.263686] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1080.295589] Node 0 DMA32: 2521*4kB (UME) 797*8kB (UME) 52*16kB (UM) 8*32kB (UM) 6*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18060kB [ 1080.326034] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1080.336885] Node 1 Normal: 372*4kB (UME) 192*8kB (UME) 156*16kB (UM) 186*32kB (UME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26448kB [ 1080.382896] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1080.421936] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1080.445788] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1080.461179] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1080.469796] 962 total pagecache pages [ 1080.495851] 0 pages in swap cache [ 1080.503403] Swap cache stats: add 0, delete 0, find 0/0 [ 1080.508779] Free swap = 0kB [ 1080.532755] Total swap = 0kB [ 1080.535918] 1965979 pages RAM [ 1080.539142] 0 pages HighMem/MovableOnly [ 1080.543322] 335869 pages reserved [ 1080.546771] 0 pages cma reserved [ 1080.567925] Out of memory: Kill process 27321 (syz-executor.5) score 1005 or sacrifice child [ 1080.576826] Killed process 27321 (syz-executor.5) total-vm:72852kB, anon-rss:180kB, file-rss:34816kB, shmem-rss:0kB [ 1080.648376] kworker/0:2 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1080.666878] kworker/0:2 cpuset=/ mems_allowed=0-1 [ 1080.672180] CPU: 0 PID: 2866 Comm: kworker/0:2 Not tainted 4.14.167-syzkaller #0 [ 1080.679718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1080.689084] Workqueue: md_misc mddev_delayed_delete [ 1080.694103] Call Trace: [ 1080.696698] dump_stack+0x142/0x197 [ 1080.700337] dump_header+0x177/0x6cd [ 1080.704052] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1080.709164] ? ___ratelimit+0x55/0x537 [ 1080.713063] oom_kill_process.cold+0x10/0xadd [ 1080.717557] ? rcu_read_unlock_special+0x639/0xd40 [ 1080.722488] ? lock_downgrade+0x740/0x740 [ 1080.726642] out_of_memory+0x2ee/0x1180 [ 1080.730619] ? lock_acquire+0x16f/0x430 [ 1080.734602] ? oom_killer_disable+0x1d0/0x1d0 [ 1080.739113] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1080.744233] __alloc_pages_slowpath+0x2251/0x2930 [ 1080.749093] ? warn_alloc+0xf0/0xf0 [ 1080.752720] ? __might_sleep+0x93/0xb0 [ 1080.756590] __alloc_pages_nodemask+0x62c/0x7a0 [ 1080.761265] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1080.766263] ? cache_grow_begin+0x335/0x400 [ 1080.770568] cache_grow_begin+0x80/0x400 [ 1080.774624] ? __cpuset_node_allowed+0xff/0x450 [ 1080.779298] fallback_alloc+0x1fd/0x2c0 [ 1080.783319] ____cache_alloc_node+0x1be/0x1d0 [ 1080.787992] kmem_cache_alloc_node+0xe3/0x780 [ 1080.792499] __alloc_skb+0x9c/0x500 [ 1080.796119] ? skb_trim+0x180/0x180 [ 1080.799727] ? netlink_has_listeners+0x20a/0x330 [ 1080.804483] kobject_uevent_env+0x6ea/0xc80 [ 1080.808802] ? wait_for_completion+0x420/0x420 [ 1080.813466] kobject_uevent+0x20/0x30 [ 1080.817260] device_del+0x65c/0xaa0 [ 1080.820881] ? __device_links_no_driver+0x220/0x220 [ 1080.825889] ? synchronize_srcu+0x233/0x3e2 [ 1080.830193] ? simple_release_fs+0x8c/0xb0 [ 1080.834411] device_unregister+0x15/0x30 [ 1080.838455] bdi_unregister+0x42b/0x600 [ 1080.842444] ? wb_blkcg_offline+0x180/0x180 [ 1080.846758] ? kernfs_find_ns+0x1b5/0x290 [ 1080.850908] ? mutex_unlock+0xd/0x10 [ 1080.854601] ? kernfs_remove_by_name_ns+0x6b/0x90 [ 1080.859514] del_gendisk+0x405/0x820 [ 1080.863213] ? disk_events_poll_msecs_store+0x150/0x150 [ 1080.868557] ? blk_cleanup_queue+0x446/0x610 [ 1080.872962] md_free+0xc8/0x140 [ 1080.876233] ? lock_rdev+0x110/0x110 [ 1080.879925] kobject_put+0x14e/0x210 [ 1080.883636] mddev_delayed_delete+0x34/0x40 [ 1080.887953] process_one_work+0x863/0x1600 [ 1080.892188] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1080.896859] worker_thread+0x5d9/0x1050 [ 1080.900832] kthread+0x319/0x430 [ 1080.904179] ? process_one_work+0x1600/0x1600 [ 1080.908654] ? kthread_create_on_node+0xd0/0xd0 [ 1080.913330] ret_from_fork+0x24/0x30 [ 1080.920834] Mem-Info: [ 1080.924341] active_anon:156165 inactive_anon:483 isolated_anon:0 [ 1080.924341] active_file:228 inactive_file:174 isolated_file:32 [ 1080.924341] unevictable:0 dirty:398 writeback:3 unstable:0 [ 1080.924341] slab_reclaimable:14688 slab_unreclaimable:117221 [ 1080.924341] mapped:52290 shmem:537 pagetables:4536 bounce:0 [ 1080.924341] free:13814 free_pcp:91 free_cma:0 [ 1080.958049] Node 0 active_anon:551648kB inactive_anon:1924kB active_file:988kB inactive_file:764kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1560kB writeback:12kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1080.986338] Node 1 active_anon:73012kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1081.014493] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:16kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1081.041167] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1081.046221] Node 0 DMA32 free:18268kB min:36380kB low:45472kB high:54564kB active_anon:551600kB inactive_anon:1924kB active_file:856kB inactive_file:672kB unevictable:0kB writepending:1512kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9280kB pagetables:16216kB bounce:0kB free_pcp:468kB local_pcp:232kB free_cma:0kB [ 1081.165373] lowmem_reserve[]: 0 0 0 0 0 [ 1081.169485] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1081.205626] lowmem_reserve[]: 0 0 0 0 0 [ 1081.209670] Node 1 Normal free:26480kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:56kB inactive_file:0kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3392kB pagetables:1928kB bounce:0kB free_pcp:4kB local_pcp:4kB free_cma:0kB [ 1081.243591] lowmem_reserve[]: 0 0 0 0 0 [ 1081.247610] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1081.272569] Node 0 DMA32: 2523*4kB (UME) 802*8kB (UME) 54*16kB (UM) 10*32kB (UM) 6*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18204kB [ 1081.296438] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1081.307195] Node 1 Normal: 372*4kB (UME) 192*8kB (UME) 156*16kB (UM) 188*32kB (UME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26512kB [ 1081.331439] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1081.340500] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1081.349106] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1081.363461] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1081.372106] 961 total pagecache pages [ 1081.375912] 0 pages in swap cache [ 1081.379367] Swap cache stats: add 0, delete 0, find 0/0 [ 1081.384810] Free swap = 0kB [ 1081.387828] Total swap = 0kB [ 1081.390894] 1965979 pages RAM [ 1081.393999] 0 pages HighMem/MovableOnly [ 1081.397969] 335869 pages reserved [ 1081.401480] 0 pages cma reserved [ 1081.404846] Out of memory: Kill process 30695 (syz-executor.4) score 1005 or sacrifice child [ 1081.413495] Killed process 30695 (syz-executor.4) total-vm:72852kB, anon-rss:180kB, file-rss:34816kB, shmem-rss:0kB [ 1081.464935] oom_reaper: reaped process 30695 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1081.605084] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1081.617802] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1081.622731] CPU: 1 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1081.630203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1081.639676] Call Trace: [ 1081.642281] dump_stack+0x142/0x197 [ 1081.645918] dump_header+0x177/0x6cd [ 1081.649652] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1081.654771] ? ___ratelimit+0x55/0x537 [ 1081.658854] oom_kill_process.cold+0x10/0xadd [ 1081.663409] ? oom_unkillable_task+0x294/0x390 [ 1081.668016] ? lock_downgrade+0x740/0x740 [ 1081.672213] out_of_memory+0x2ee/0x1180 [ 1081.676193] ? lock_acquire+0x16f/0x430 [ 1081.680353] ? oom_killer_disable+0x1d0/0x1d0 [ 1081.684885] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1081.689856] __alloc_pages_slowpath+0x2251/0x2930 [ 1081.694717] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1081.699669] ? warn_alloc+0xf0/0xf0 [ 1081.703756] ? __might_sleep+0x93/0xb0 [ 1081.707823] __alloc_pages_nodemask+0x62c/0x7a0 [ 1081.712518] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1081.717650] ? lock_downgrade+0x740/0x740 [ 1081.721872] alloc_pages_current+0xec/0x1e0 [ 1081.726205] __page_cache_alloc+0x248/0x3e0 [ 1081.730534] filemap_fault+0xcef/0x1de0 [ 1081.734528] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1081.739473] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1081.744144] ? lock_acquire+0x16f/0x430 [ 1081.748120] ? ext4_filemap_fault+0x7b/0xb0 [ 1081.752450] ext4_filemap_fault+0x83/0xb0 [ 1081.756597] __do_fault+0x104/0x390 [ 1081.760225] __handle_mm_fault+0x23bd/0x33d0 [ 1081.764635] ? copy_page_range+0x1de0/0x1de0 [ 1081.769042] ? find_held_lock+0x35/0x130 [ 1081.773186] ? handle_mm_fault+0x1b6/0x7c0 [ 1081.777433] handle_mm_fault+0x293/0x7c0 [ 1081.781499] __do_page_fault+0x4c1/0xb80 [ 1081.785593] ? vmalloc_fault+0xe30/0xe30 [ 1081.789673] ? page_fault+0x2f/0x50 [ 1081.793394] do_page_fault+0x71/0x511 [ 1081.797194] ? page_fault+0x2f/0x50 [ 1081.800820] page_fault+0x45/0x50 [ 1081.804271] RIP: 0033:0x4284f0 [ 1081.807487] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1081.812868] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1081.820139] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1081.827460] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1081.834722] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1081.842007] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1081.856317] Mem-Info: [ 1081.858769] active_anon:156128 inactive_anon:483 isolated_anon:0 [ 1081.858769] active_file:241 inactive_file:203 isolated_file:0 [ 1081.858769] unevictable:0 dirty:393 writeback:0 unstable:0 [ 1081.858769] slab_reclaimable:14689 slab_unreclaimable:117243 [ 1081.858769] mapped:52290 shmem:537 pagetables:4510 bounce:0 [ 1081.858769] free:13758 free_pcp:60 free_cma:0 [ 1081.892173] Node 0 active_anon:551500kB inactive_anon:1924kB active_file:964kB inactive_file:740kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1540kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1081.920414] Node 1 active_anon:73012kB inactive_anon:8kB active_file:0kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1081.946672] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:40kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1081.986435] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1081.993660] Node 0 DMA32 free:18124kB min:36380kB low:45472kB high:54564kB active_anon:551452kB inactive_anon:1924kB active_file:740kB inactive_file:876kB unevictable:0kB writepending:1476kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9216kB pagetables:16112kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1082.036107] lowmem_reserve[]: 0 0 0 0 0 [ 1082.043405] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1082.069848] lowmem_reserve[]: 0 0 0 0 0 [ 1082.085554] Node 1 Normal free:26516kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3392kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1082.125175] lowmem_reserve[]: 0 0 0 0 0 [ 1082.129313] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1082.154857] Node 0 DMA32: 2567*4kB (UME) 789*8kB (UME) 47*16kB (M) 8*32kB (UM) 6*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18100kB [ 1082.169297] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1082.185481] Node 1 Normal: 373*4kB (UME) 192*8kB (UME) 156*16kB (UM) 188*32kB (UME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26516kB [ 1082.206780] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1082.215686] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1082.227372] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1082.236329] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1082.247537] 965 total pagecache pages [ 1082.257927] 0 pages in swap cache [ 1082.261488] Swap cache stats: add 0, delete 0, find 0/0 [ 1082.267537] Free swap = 0kB [ 1082.273984] Total swap = 0kB [ 1082.277018] 1965979 pages RAM [ 1082.288883] 0 pages HighMem/MovableOnly [ 1082.294114] 335869 pages reserved [ 1082.297610] 0 pages cma reserved [ 1082.306294] Out of memory: Kill process 31184 (syz-executor.0) score 1005 or sacrifice child [ 1082.314982] Killed process 31184 (syz-executor.0) total-vm:72852kB, anon-rss:180kB, file-rss:34816kB, shmem-rss:0kB [ 1082.377375] oom_reaper: reaped process 31184 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1082.395609] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1082.418944] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1082.423886] CPU: 1 PID: 7249 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1082.431348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1082.440876] Call Trace: [ 1082.443471] dump_stack+0x142/0x197 [ 1082.447106] dump_header+0x177/0x6cd [ 1082.450879] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1082.455965] ? ___ratelimit+0x55/0x537 [ 1082.459854] oom_kill_process.cold+0x10/0xadd [ 1082.464350] ? oom_unkillable_task+0x294/0x390 [ 1082.468977] ? lock_downgrade+0x740/0x740 [ 1082.473169] out_of_memory+0x2ee/0x1180 [ 1082.477179] ? lock_acquire+0x16f/0x430 [ 1082.481147] ? oom_killer_disable+0x1d0/0x1d0 [ 1082.485691] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1082.490659] __alloc_pages_slowpath+0x2251/0x2930 [ 1082.495535] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1082.500538] ? warn_alloc+0xf0/0xf0 [ 1082.504165] ? __might_sleep+0x93/0xb0 [ 1082.508048] __alloc_pages_nodemask+0x62c/0x7a0 [ 1082.512716] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1082.517717] ? lock_downgrade+0x740/0x740 [ 1082.521868] alloc_pages_current+0xec/0x1e0 [ 1082.526269] __page_cache_alloc+0x248/0x3e0 [ 1082.530591] filemap_fault+0xcef/0x1de0 [ 1082.535242] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1082.540159] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1082.544825] ? lock_acquire+0x16f/0x430 [ 1082.548783] ? ext4_filemap_fault+0x7b/0xb0 [ 1082.553103] ext4_filemap_fault+0x83/0xb0 [ 1082.557232] __do_fault+0x104/0x390 [ 1082.561128] __handle_mm_fault+0x23bd/0x33d0 [ 1082.566561] ? copy_page_range+0x1de0/0x1de0 [ 1082.570963] ? find_held_lock+0x35/0x130 [ 1082.575008] ? handle_mm_fault+0x1b6/0x7c0 [ 1082.579227] handle_mm_fault+0x293/0x7c0 [ 1082.583269] __do_page_fault+0x4c1/0xb80 [ 1082.587332] ? vmalloc_fault+0xe30/0xe30 [ 1082.591372] ? page_fault+0x2f/0x50 [ 1082.594990] do_page_fault+0x71/0x511 [ 1082.598773] ? page_fault+0x2f/0x50 [ 1082.602379] page_fault+0x45/0x50 [ 1082.605836] RIP: 0033:0x45b153 [ 1082.609034] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206 [ 1082.614386] RAX: ffffffffffffff92 RBX: 000000003b4f37a3 RCX: 000000000045b153 [ 1082.621674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e120a0 [ 1082.628932] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1082.636233] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c427908218 [ 1082.643498] R13: 000000000000007f R14: 0000000000c8b140 R15: 0000000000000213 [ 1082.656426] Mem-Info: [ 1082.658845] active_anon:156092 inactive_anon:483 isolated_anon:0 [ 1082.658845] active_file:238 inactive_file:206 isolated_file:0 [ 1082.658845] unevictable:0 dirty:396 writeback:0 unstable:0 [ 1082.658845] slab_reclaimable:14689 slab_unreclaimable:117264 [ 1082.658845] mapped:52290 shmem:537 pagetables:4473 bounce:0 [ 1082.658845] free:13778 free_pcp:19 free_cma:0 [ 1082.694575] Node 0 active_anon:551356kB inactive_anon:1924kB active_file:944kB inactive_file:716kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1552kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1082.724674] Node 1 active_anon:73012kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1082.752330] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1082.786376] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1082.793792] Node 0 DMA32 free:18188kB min:36380kB low:45472kB high:54564kB active_anon:551308kB inactive_anon:1924kB active_file:968kB inactive_file:708kB unevictable:0kB writepending:1492kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9216kB pagetables:15964kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1082.826850] lowmem_reserve[]: 0 0 0 0 0 [ 1082.831006] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1082.857493] lowmem_reserve[]: 0 0 0 0 0 [ 1082.867384] Node 1 Normal free:26516kB min:53508kB low:66884kB high:80260kB active_anon:73012kB inactive_anon:8kB active_file:28kB inactive_file:8kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3392kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1082.904524] lowmem_reserve[]: 0 0 0 0 0 [ 1082.908611] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1082.932401] Node 0 DMA32: 2568*4kB (UME) 789*8kB (UME) 48*16kB (UM) 8*32kB (UM) 6*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18120kB [ 1082.948388] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1082.963364] Node 1 Normal: 373*4kB (UME) 192*8kB (UME) 156*16kB (UM) 188*32kB (UME) 104*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26516kB [ 1082.979455] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1082.988337] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1082.996985] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1083.016679] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1083.025364] 966 total pagecache pages [ 1083.029161] 0 pages in swap cache [ 1083.032650] Swap cache stats: add 0, delete 0, find 0/0 [ 1083.038010] Free swap = 0kB [ 1083.041327] Total swap = 0kB [ 1083.044345] 1965979 pages RAM [ 1083.047445] 0 pages HighMem/MovableOnly [ 1083.051561] 335869 pages reserved [ 1083.055010] 0 pages cma reserved [ 1083.058368] Out of memory: Kill process 24592 (syz-executor.1) score 1005 or sacrifice child [ 1083.077464] Killed process 24592 (syz-executor.1) total-vm:72852kB, anon-rss:176kB, file-rss:34816kB, shmem-rss:0kB [ 1083.134578] oom_reaper: reaped process 24592 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1083.165522] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1083.193047] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1083.197873] CPU: 0 PID: 7252 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1083.205318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1083.214686] Call Trace: [ 1083.217277] dump_stack+0x142/0x197 [ 1083.220910] dump_header+0x177/0x6cd [ 1083.224635] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1083.229729] ? ___ratelimit+0x55/0x537 [ 1083.233791] oom_kill_process.cold+0x10/0xadd [ 1083.238278] ? oom_unkillable_task+0x294/0x390 [ 1083.242864] ? lock_downgrade+0x740/0x740 [ 1083.247016] out_of_memory+0x2ee/0x1180 [ 1083.250987] ? lock_acquire+0x16f/0x430 [ 1083.254967] ? oom_killer_disable+0x1d0/0x1d0 [ 1083.259464] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1083.264408] __alloc_pages_slowpath+0x2251/0x2930 [ 1083.269355] ? __alloc_pages_nodemask+0x3d1/0x7a0 [ 1083.274207] ? warn_alloc+0xf0/0xf0 [ 1083.277853] ? __might_sleep+0x93/0xb0 [ 1083.281741] __alloc_pages_nodemask+0x62c/0x7a0 [ 1083.286419] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1083.291438] ? lock_downgrade+0x740/0x740 [ 1083.295599] alloc_pages_current+0xec/0x1e0 [ 1083.299930] __page_cache_alloc+0x248/0x3e0 [ 1083.304285] filemap_fault+0xcef/0x1de0 [ 1083.308253] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1083.313200] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1083.317870] ? lock_acquire+0x16f/0x430 [ 1083.321932] ? ext4_filemap_fault+0x7b/0xb0 [ 1083.326266] ext4_filemap_fault+0x83/0xb0 [ 1083.330417] __do_fault+0x104/0x390 [ 1083.334052] __handle_mm_fault+0x23bd/0x33d0 [ 1083.338464] ? copy_page_range+0x1de0/0x1de0 [ 1083.342875] ? find_held_lock+0x35/0x130 [ 1083.346936] ? handle_mm_fault+0x1b6/0x7c0 [ 1083.351191] handle_mm_fault+0x293/0x7c0 [ 1083.355254] __do_page_fault+0x4c1/0xb80 [ 1083.359318] ? vmalloc_fault+0xe30/0xe30 [ 1083.363386] ? page_fault+0x2f/0x50 [ 1083.367016] do_page_fault+0x71/0x511 [ 1083.370817] ? page_fault+0x2f/0x50 [ 1083.374465] page_fault+0x45/0x50 [ 1083.377934] RIP: 0033:0x410382 [ 1083.381125] RSP: 002b:000000c436c09a10 EFLAGS: 00010283 [ 1083.386493] RAX: 00007fb6aba1d6c8 RBX: 0000000000000000 RCX: 000000c420000180 [ 1083.393766] RDX: 000000c42013a800 RSI: 0000000000000030 RDI: 0000000000884100 [ 1083.401039] RBP: 000000c436c09aa0 R08: 0000000000000000 R09: 0000000000000006 [ 1083.408306] R10: 0000000000c6cd80 R11: 0000000000000000 R12: 0000000000000000 [ 1083.415574] R13: 000000c436c09bf8 R14: 000000c436c09bf8 R15: 0000000000000000 [ 1083.438913] Mem-Info: [ 1083.447545] active_anon:156059 inactive_anon:483 isolated_anon:0 [ 1083.447545] active_file:231 inactive_file:183 isolated_file:0 [ 1083.447545] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1083.447545] slab_reclaimable:14689 slab_unreclaimable:117266 [ 1083.447545] mapped:52290 shmem:537 pagetables:4484 bounce:0 [ 1083.447545] free:13754 free_pcp:87 free_cma:0 [ 1083.481266] Node 0 active_anon:551244kB inactive_anon:1924kB active_file:920kB inactive_file:672kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1083.509623] Node 1 active_anon:72992kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1083.535993] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1083.583518] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1083.588605] Node 0 DMA32 free:18080kB min:36380kB low:45472kB high:54564kB active_anon:551196kB inactive_anon:1924kB active_file:880kB inactive_file:720kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9216kB pagetables:16008kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1083.624714] lowmem_reserve[]: 0 0 0 0 0 [ 1083.628736] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1083.659431] lowmem_reserve[]: 0 0 0 0 0 [ 1083.663486] Node 1 Normal free:26616kB min:53508kB low:66884kB high:80260kB active_anon:72992kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3392kB pagetables:1928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1083.709759] lowmem_reserve[]: 0 0 0 0 0 [ 1083.715612] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1083.734252] Node 0 DMA32: 2569*4kB (UME) 789*8kB (ME) 48*16kB (UM) 7*32kB (M) 4*64kB (M) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17964kB [ 1083.748305] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1083.759131] Node 1 Normal: 394*4kB (UME) 191*8kB (UME) 154*16kB (UM) 189*32kB (UME) 105*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26656kB [ 1083.775297] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1083.784223] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1083.792851] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1083.801728] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1083.815960] 965 total pagecache pages [ 1083.819799] 0 pages in swap cache [ 1083.824115] Swap cache stats: add 0, delete 0, find 0/0 [ 1083.834032] Free swap = 0kB [ 1083.837063] Total swap = 0kB [ 1083.840111] 1965979 pages RAM [ 1083.843207] 0 pages HighMem/MovableOnly [ 1083.847171] 335869 pages reserved [ 1083.860305] 0 pages cma reserved [ 1083.863707] Out of memory: Kill process 28993 (syz-executor.3) score 1005 or sacrifice child [ 1083.877168] Killed process 28993 (syz-executor.3) total-vm:72720kB, anon-rss:180kB, file-rss:34816kB, shmem-rss:0kB [ 1083.937729] oom_reaper: reaped process 28993 (syz-executor.3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1084.092677] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1084.111818] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1084.116756] CPU: 1 PID: 7249 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1084.124340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1084.133692] Call Trace: [ 1084.136273] dump_stack+0x142/0x197 [ 1084.139923] dump_header+0x177/0x6cd [ 1084.143617] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1084.148731] ? ___ratelimit+0x55/0x537 [ 1084.152601] oom_kill_process.cold+0x10/0xadd [ 1084.157073] ? oom_unkillable_task+0x294/0x390 [ 1084.161634] ? lock_downgrade+0x740/0x740 [ 1084.165769] out_of_memory+0x2ee/0x1180 [ 1084.169724] ? lock_acquire+0x16f/0x430 [ 1084.173682] ? oom_killer_disable+0x1d0/0x1d0 [ 1084.178158] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1084.183066] __alloc_pages_slowpath+0x2251/0x2930 [ 1084.187900] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1084.192724] ? warn_alloc+0xf0/0xf0 [ 1084.196334] ? __might_sleep+0x93/0xb0 [ 1084.200202] __alloc_pages_nodemask+0x62c/0x7a0 [ 1084.204849] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1084.209842] ? lock_downgrade+0x740/0x740 [ 1084.213983] alloc_pages_current+0xec/0x1e0 [ 1084.218282] __page_cache_alloc+0x248/0x3e0 [ 1084.222585] filemap_fault+0xcef/0x1de0 [ 1084.226535] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1084.231452] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1084.236099] ? lock_acquire+0x16f/0x430 [ 1084.240052] ? ext4_filemap_fault+0x7b/0xb0 [ 1084.244357] ext4_filemap_fault+0x83/0xb0 [ 1084.248492] __do_fault+0x104/0x390 [ 1084.252099] __handle_mm_fault+0x23bd/0x33d0 [ 1084.256487] ? copy_page_range+0x1de0/0x1de0 [ 1084.260872] ? find_held_lock+0x35/0x130 [ 1084.264917] ? handle_mm_fault+0x1b6/0x7c0 [ 1084.269148] handle_mm_fault+0x293/0x7c0 [ 1084.273190] __do_page_fault+0x4c1/0xb80 [ 1084.277242] ? vmalloc_fault+0xe30/0xe30 [ 1084.281284] ? page_fault+0x2f/0x50 [ 1084.284886] do_page_fault+0x71/0x511 [ 1084.288664] ? page_fault+0x2f/0x50 [ 1084.292276] page_fault+0x45/0x50 [ 1084.295705] RIP: 0033:0x45b153 [ 1084.298870] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206 [ 1084.304214] RAX: ffffffffffffff92 RBX: 000000003b4f37a3 RCX: 000000000045b153 [ 1084.311462] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e120a0 [ 1084.318710] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1084.325958] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c427908218 [ 1084.333206] R13: 000000000000007f R14: 0000000000c8b140 R15: 0000000000000213 [ 1084.347426] Mem-Info: [ 1084.349871] active_anon:156020 inactive_anon:483 isolated_anon:0 [ 1084.349871] active_file:233 inactive_file:199 isolated_file:0 [ 1084.349871] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1084.349871] slab_reclaimable:14689 slab_unreclaimable:117267 [ 1084.349871] mapped:52290 shmem:537 pagetables:4433 bounce:0 [ 1084.349871] free:13790 free_pcp:64 free_cma:0 [ 1084.421221] Node 0 active_anon:551092kB inactive_anon:1924kB active_file:960kB inactive_file:756kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1084.460668] Node 1 active_anon:72988kB inactive_anon:8kB active_file:8kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1084.488415] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:20kB inactive_file:40kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1084.529897] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1084.535831] Node 0 DMA32 free:18000kB min:36380kB low:45472kB high:54564kB active_anon:551044kB inactive_anon:1924kB active_file:840kB inactive_file:728kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9216kB pagetables:15896kB bounce:0kB free_pcp:220kB local_pcp:120kB free_cma:0kB [ 1084.567064] lowmem_reserve[]: 0 0 0 0 0 [ 1084.582742] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1084.608792] syz-executor.0: page allocation failure: order:0, mode:0x1404040(GFP_NOFS|__GFP_COMP), nodemask=(null) [ 1084.612771] lowmem_reserve[]: 0 0 0 0 0 [ 1084.629739] Node 1 Normal free:26656kB min:53508kB low:66884kB high:80260kB active_anon:72988kB inactive_anon:8kB active_file:0kB inactive_file:40kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3392kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1084.657007] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1084.666861] CPU: 1 PID: 31184 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1084.674753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1084.679465] lowmem_reserve[]: [ 1084.684101] Call Trace: [ 1084.687230] 0 0 [ 1084.689808] dump_stack+0x142/0x197 [ 1084.689823] warn_alloc.cold+0x96/0x1af [ 1084.691795] 0 [ 1084.695384] ? zone_watermark_ok_safe+0x2b0/0x2b0 [ 1084.699333] 0 [ 1084.701124] ? trace_hardirqs_on_caller+0x400/0x590 [ 1084.701149] __alloc_pages_slowpath+0x23c6/0x2930 [ 1084.705965] 0 [ 1084.707765] ? warn_alloc+0xf0/0xf0 [ 1084.717579] ? __might_sleep+0x93/0xb0 [ 1084.719351] Node 0 [ 1084.722961] __alloc_pages_nodemask+0x62c/0x7a0 [ 1084.722974] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1084.722986] ? cache_grow_begin+0x335/0x400 [ 1084.726844] DMA: [ 1084.729064] cache_grow_begin+0x80/0x400 [ 1084.733728] 18*4kB [ 1084.738707] ? __cpuset_node_allowed+0xff/0x450 [ 1084.743024] (UM) [ 1084.745054] fallback_alloc+0x1fd/0x2c0 [ 1084.749086] 17*8kB [ 1084.751310] ____cache_alloc_node+0x1be/0x1d0 [ 1084.751321] __kmalloc+0x21a/0x7a0 [ 1084.751401] ? ext4_ext_remove_space+0x17c5/0x3b10 [ 1084.755987] (UM) [ 1084.758049] ext4_ext_remove_space+0x17c5/0x3b10 [ 1084.762048] 14*16kB [ 1084.764245] ? save_trace+0x290/0x290 [ 1084.768729] (UM) 15*32kB [ 1084.772274] ? ext4_es_remove_extent+0x9f/0x330 [ 1084.772285] ? find_held_lock+0x35/0x130 [ 1084.772303] ? ext4_ext_index_trans_blocks+0x130/0x130 [ 1084.777204] (M) [ 1084.779251] ? lock_downgrade+0x740/0x740 [ 1084.784001] 10*64kB [ 1084.786311] ? _raw_write_unlock+0x2d/0x50 [ 1084.790112] (UM) [ 1084.792833] ? ext4_es_remove_extent+0xa4/0x330 [ 1084.797478] 3*128kB [ 1084.801526] ext4_ext_truncate+0x19e/0x1f0 [ 1084.801537] ext4_truncate+0xbab/0x11f0 [ 1084.801548] ? ext4_punch_hole+0x1100/0x1100 [ 1084.801556] ? __ext4_journal_start_sb+0x105/0x450 [ 1084.806822] (UM) [ 1084.808800] ? ext4_evict_inode+0x738/0x15d0 [ 1084.812955] 3*256kB [ 1084.815223] ext4_evict_inode+0x8c1/0x15d0 [ 1084.819431] (M) [ 1084.821485] ? ext4_da_write_begin+0xea0/0xea0 [ 1084.821496] ? _raw_spin_unlock+0x2d/0x50 [ 1084.821504] ? ext4_da_write_begin+0xea0/0xea0 [ 1084.826149] 3*512kB [ 1084.828490] evict+0x2e6/0x630 [ 1084.832679] (UM) [ 1084.836624] ? do_raw_spin_unlock+0x174/0x260 [ 1084.841027] 2*1024kB [ 1084.845939] iput+0x471/0x900 [ 1084.847974] (UM) [ 1084.852424] ? ext4_nfs_commit_metadata+0x2f0/0x2f0 [ 1084.852437] dentry_unlink_inode+0x286/0x340 [ 1084.854747] 0*2048kB [ 1084.858963] __dentry_kill+0x32e/0x580 [ 1084.860938] 1*4096kB [ 1084.865479] ? dput.part.0+0x2a/0x750 [ 1084.865489] ? dput.part.0+0x2a/0x750 [ 1084.869611] (M) [ 1084.874173] dput.part.0+0x4e3/0x750 [ 1084.874185] dput+0x20/0x30 [ 1084.874192] path_put+0x31/0x70 [ 1084.874235] free_fs_struct+0x25/0x70 [ 1084.876502] = 10384kB [ 1084.879952] exit_fs+0xe7/0x120 [ 1084.882029] Node 0 [ 1084.886539] do_exit+0x9f4/0x2cd0 [ 1084.888876] DMA32: 2572*4kB [ 1084.892029] ? get_signal+0x319/0x1cd0 [ 1084.892044] ? mm_update_next_owner+0x5d0/0x5d0 [ 1084.894083] (UME) [ 1084.899101] do_group_exit+0x111/0x330 [ 1084.903506] 792*8kB [ 1084.905883] get_signal+0x381/0x1cd0 [ 1084.909749] (UME) 54*16kB [ 1084.912168] ? trace_hardirqs_on+0x10/0x10 [ 1084.912180] ? save_trace+0x290/0x290 [ 1084.912196] do_signal+0x86/0x19a0 [ 1084.912212] ? setup_sigcontext+0x7d0/0x7d0 [ 1084.915999] (UM) [ 1084.919798] ? check_preemption_disabled+0x3c/0x250 [ 1084.921788] 8*32kB [ 1084.925459] ? check_preemption_disabled+0x3c/0x250 [ 1084.928368] (UM) [ 1084.931651] ? debug_smp_processor_id+0x1c/0x20 [ 1084.931661] ? perf_trace_sys_exit+0x294/0x400 [ 1084.931671] ? check_preemption_disabled+0x3c/0x250 [ 1084.931683] ? exit_to_usermode_loop+0x3d/0x220 [ 1084.935467] 4*64kB [ 1084.937872] exit_to_usermode_loop+0x15c/0x220 [ 1084.941185] (M) [ 1084.943388] do_syscall_64+0x4bc/0x640 [ 1084.946825] 1*128kB [ 1084.949887] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1084.949910] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1084.953835] (M) [ 1084.958455] RIP: 0033:0x45b349 [ 1084.960600] 0*256kB [ 1084.964470] RSP: 002b:00007f328d4eccf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1084.966799] 0*512kB [ 1084.970501] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 000000000045b349 [ 1084.970506] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 1084.970511] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1084.970515] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 1084.970519] R13: 00007ffd56835b6f R14: 00007f328d4ed9c0 R15: 000000000075bf2c [ 1084.985318] Mem-Info: [ 1085.057584] 0*1024kB [ 1085.063256] active_anon:156020 inactive_anon:483 isolated_anon:0 [ 1085.063256] active_file:196 inactive_file:225 isolated_file:0 [ 1085.063256] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1085.063256] slab_reclaimable:14689 slab_unreclaimable:117280 [ 1085.063256] mapped:52290 shmem:537 pagetables:4433 bounce:0 [ 1085.063256] free:13772 free_pcp:30 free_cma:0 [ 1085.108042] 0*2048kB [ 1085.116736] Node 0 active_anon:551092kB inactive_anon:1924kB active_file:916kB inactive_file:780kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1085.196297] Node 1 active_anon:72988kB inactive_anon:8kB active_file:8kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1085.200921] 0*4096kB = 18128kB [ 1085.239294] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:20kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1085.243507] Node 0 [ 1085.274395] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1085.281805] Node 0 DMA32 free:17948kB min:36380kB low:45472kB high:54564kB active_anon:551044kB inactive_anon:1924kB active_file:928kB inactive_file:732kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9216kB pagetables:15896kB bounce:0kB free_pcp:232kB local_pcp:120kB free_cma:0kB [ 1085.295565] Normal: [ 1085.328469] lowmem_reserve[]: [ 1085.330344] 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1085.349268] 0 0 0 0 0 [ 1085.354724] Node 1 Normal: 394*4kB (UME) 191*8kB (UME) 154*16kB (UM) 189*32kB (UME) 105*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26656kB [ 1085.374226] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1085.381100] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1085.402652] lowmem_reserve[]: 0 0 0 0 0 [ 1085.412730] Node 1 Normal free:26656kB min:53508kB low:66884kB high:80260kB active_anon:72988kB inactive_anon:8kB active_file:8kB inactive_file:28kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3392kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1085.449377] lowmem_reserve[]: 0 0 0 0 0 [ 1085.453453] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1085.468748] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1085.487412] Node 0 DMA32: 2567*4kB (UME) 787*8kB (ME) 50*16kB (UM) 8*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18068kB [ 1085.494026] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1085.513883] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1085.529355] Node 1 Normal: 394*4kB (UME) 191*8kB (UME) 154*16kB (UM) 189*32kB (UME) 105*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26656kB [ 1085.529818] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1085.569802] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1085.590798] 965 total pagecache pages [ 1085.593122] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1085.594623] 0 pages in swap cache [ 1085.607277] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1085.616178] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1085.618348] Swap cache stats: add 0, delete 0, find 0/0 [ 1085.629655] 965 total pagecache pages [ 1085.636388] 0 pages in swap cache [ 1085.639848] Swap cache stats: add 0, delete 0, find 0/0 [ 1085.644337] Free swap = 0kB [ 1085.648318] Total swap = 0kB [ 1085.653358] Free swap = 0kB [ 1085.656384] Total swap = 0kB [ 1085.659551] 1965979 pages RAM [ 1085.668457] 0 pages HighMem/MovableOnly [ 1085.668660] 1965979 pages RAM [ 1085.677684] 335869 pages reserved [ 1085.687250] 0 pages cma reserved [ 1085.696808] EXT4-fs error (device sda1): ext4_evict_inode:299: comm syz-executor.0: couldn't truncate inode 16616 (err -12) [ 1085.704050] 0 pages HighMem/MovableOnly [ 1085.729988] 335869 pages reserved [ 1085.733580] 0 pages cma reserved [ 1085.736946] Out of memory: Kill process 32598 (syz-executor.4) score 1005 or sacrifice child [ 1085.751590] Killed process 32598 (syz-executor.4) total-vm:72720kB, anon-rss:176kB, file-rss:34816kB, shmem-rss:0kB [ 1085.914473] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1085.927305] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1085.932136] CPU: 1 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1085.939581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1085.948939] Call Trace: [ 1085.951635] dump_stack+0x142/0x197 [ 1085.955289] dump_header+0x177/0x6cd [ 1085.959017] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1085.964175] ? ___ratelimit+0x55/0x537 [ 1085.968062] oom_kill_process.cold+0x10/0xadd [ 1085.972655] ? oom_unkillable_task+0x294/0x390 [ 1085.977379] ? lock_downgrade+0x740/0x740 [ 1085.981523] out_of_memory+0x2ee/0x1180 [ 1085.985504] ? lock_acquire+0x16f/0x430 [ 1085.989512] ? oom_killer_disable+0x1d0/0x1d0 [ 1085.994001] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1085.998916] __alloc_pages_slowpath+0x2251/0x2930 [ 1086.003745] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1086.008624] ? warn_alloc+0xf0/0xf0 [ 1086.012277] ? __might_sleep+0x93/0xb0 [ 1086.016143] __alloc_pages_nodemask+0x62c/0x7a0 [ 1086.020806] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1086.025803] ? lock_downgrade+0x740/0x740 [ 1086.029937] alloc_pages_current+0xec/0x1e0 [ 1086.034300] __page_cache_alloc+0x248/0x3e0 [ 1086.038618] filemap_fault+0xcef/0x1de0 [ 1086.042578] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1086.047500] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1086.052157] ? lock_acquire+0x16f/0x430 [ 1086.056114] ? ext4_filemap_fault+0x7b/0xb0 [ 1086.060420] ext4_filemap_fault+0x83/0xb0 [ 1086.064551] __do_fault+0x104/0x390 [ 1086.068171] __handle_mm_fault+0x23bd/0x33d0 [ 1086.072587] ? copy_page_range+0x1de0/0x1de0 [ 1086.077269] ? find_held_lock+0x35/0x130 [ 1086.081312] ? handle_mm_fault+0x1b6/0x7c0 [ 1086.085538] handle_mm_fault+0x293/0x7c0 [ 1086.089586] __do_page_fault+0x4c1/0xb80 [ 1086.093649] ? vmalloc_fault+0xe30/0xe30 [ 1086.097714] ? page_fault+0x2f/0x50 [ 1086.101342] do_page_fault+0x71/0x511 [ 1086.105127] ? page_fault+0x2f/0x50 [ 1086.108748] page_fault+0x45/0x50 [ 1086.112210] RIP: 0033:0x4284f0 [ 1086.115380] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1086.120724] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1086.127983] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1086.135239] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1086.142495] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1086.149750] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1086.162101] Mem-Info: [ 1086.164542] active_anon:155984 inactive_anon:483 isolated_anon:0 [ 1086.164542] active_file:194 inactive_file:167 isolated_file:64 [ 1086.164542] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1086.164542] slab_reclaimable:14689 slab_unreclaimable:117292 [ 1086.164542] mapped:52290 shmem:537 pagetables:4407 bounce:0 [ 1086.164542] free:13821 free_pcp:30 free_cma:0 [ 1086.202720] Node 0 active_anon:550948kB inactive_anon:1924kB active_file:832kB inactive_file:836kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1086.232459] Node 1 active_anon:72988kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1086.259043] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:20kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1086.292204] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1086.297276] Node 0 DMA32 free:18192kB min:36380kB low:45472kB high:54564kB active_anon:550900kB inactive_anon:1924kB active_file:960kB inactive_file:692kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9216kB pagetables:15792kB bounce:0kB free_pcp:88kB local_pcp:0kB free_cma:0kB [ 1086.327726] lowmem_reserve[]: 0 0 0 0 0 [ 1086.331806] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1086.357181] lowmem_reserve[]: 0 0 0 0 0 [ 1086.374950] Node 1 Normal free:26720kB min:53508kB low:66884kB high:80260kB active_anon:72988kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3328kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1086.405237] lowmem_reserve[]: 0 0 0 0 0 [ 1086.409370] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1086.451925] Node 0 DMA32: 2545*4kB (UME) 803*8kB (UME) 53*16kB (UM) 8*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18156kB [ 1086.467265] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1086.492245] Node 1 Normal: 394*4kB (UME) 191*8kB (UME) 154*16kB (UM) 191*32kB (UME) 105*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26720kB [ 1086.517518] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1086.526548] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1086.535316] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1086.564702] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1086.578942] 963 total pagecache pages [ 1086.587344] 0 pages in swap cache [ 1086.610683] Swap cache stats: add 0, delete 0, find 0/0 [ 1086.616090] Free swap = 0kB [ 1086.619104] Total swap = 0kB [ 1086.638327] 1965979 pages RAM [ 1086.647159] 0 pages HighMem/MovableOnly [ 1086.658383] 335869 pages reserved [ 1086.667572] 0 pages cma reserved [ 1086.676948] Out of memory: Kill process 920 (syz-executor.4) score 1005 or sacrifice child [ 1086.689307] Killed process 920 (syz-executor.4) total-vm:72588kB, anon-rss:176kB, file-rss:34816kB, shmem-rss:0kB [ 1086.747180] oom_reaper: reaped process 920 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1086.804012] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1086.816756] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1086.828662] CPU: 1 PID: 7252 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1086.836140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1086.845495] Call Trace: [ 1086.848090] dump_stack+0x142/0x197 [ 1086.851724] dump_header+0x177/0x6cd [ 1086.855444] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1086.860580] ? ___ratelimit+0x55/0x537 [ 1086.864457] oom_kill_process.cold+0x10/0xadd [ 1086.868931] ? oom_unkillable_task+0x294/0x390 [ 1086.873498] ? lock_downgrade+0x740/0x740 [ 1086.877641] out_of_memory+0x2ee/0x1180 [ 1086.881652] ? lock_acquire+0x16f/0x430 [ 1086.885610] ? oom_killer_disable+0x1d0/0x1d0 [ 1086.890094] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1086.895052] __alloc_pages_slowpath+0x2251/0x2930 [ 1086.899894] ? __alloc_pages_nodemask+0x3d1/0x7a0 [ 1086.904722] ? warn_alloc+0xf0/0xf0 [ 1086.908362] ? __might_sleep+0x93/0xb0 [ 1086.912245] __alloc_pages_nodemask+0x62c/0x7a0 [ 1086.916907] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1086.921955] ? lock_downgrade+0x740/0x740 [ 1086.926101] alloc_pages_current+0xec/0x1e0 [ 1086.930408] __page_cache_alloc+0x248/0x3e0 [ 1086.934726] filemap_fault+0xcef/0x1de0 [ 1086.938681] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1086.943600] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1086.948302] ? lock_acquire+0x16f/0x430 [ 1086.952265] ? ext4_filemap_fault+0x7b/0xb0 [ 1086.956580] ext4_filemap_fault+0x83/0xb0 [ 1086.960710] __do_fault+0x104/0x390 [ 1086.964316] __handle_mm_fault+0x23bd/0x33d0 [ 1086.968728] ? copy_page_range+0x1de0/0x1de0 [ 1086.973134] ? find_held_lock+0x35/0x130 [ 1086.977179] ? handle_mm_fault+0x1b6/0x7c0 [ 1086.981404] handle_mm_fault+0x293/0x7c0 [ 1086.985588] __do_page_fault+0x4c1/0xb80 [ 1086.989635] ? vmalloc_fault+0xe30/0xe30 [ 1086.993679] ? page_fault+0x2f/0x50 [ 1086.997288] do_page_fault+0x71/0x511 [ 1087.001079] ? page_fault+0x2f/0x50 [ 1087.004699] page_fault+0x45/0x50 [ 1087.008167] RIP: 0033:0x410382 [ 1087.011381] RSP: 002b:000000c436c09a10 EFLAGS: 00010283 [ 1087.016734] RAX: 00007fb6aba1d6c8 RBX: 0000000000000000 RCX: 000000c420000180 [ 1087.023999] RDX: 000000c42013a800 RSI: 0000000000000030 RDI: 0000000000884100 [ 1087.031259] RBP: 000000c436c09aa0 R08: 0000000000000000 R09: 0000000000000006 [ 1087.038549] R10: 0000000000c6cd80 R11: 0000000000000000 R12: 0000000000000000 [ 1087.045807] R13: 000000c436c09bf8 R14: 000000c436c09bf8 R15: 0000000000000000 [ 1087.074946] Mem-Info: [ 1087.077402] active_anon:155948 inactive_anon:483 isolated_anon:0 [ 1087.077402] active_file:251 inactive_file:193 isolated_file:0 [ 1087.077402] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1087.077402] slab_reclaimable:14689 slab_unreclaimable:117309 [ 1087.077402] mapped:52290 shmem:537 pagetables:4381 bounce:0 [ 1087.077402] free:13814 free_pcp:30 free_cma:0 [ 1087.110793] Node 0 active_anon:550804kB inactive_anon:1924kB active_file:924kB inactive_file:792kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1087.139225] Node 1 active_anon:72988kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1087.166130] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:20kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1087.211252] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1087.216326] Node 0 DMA32 free:18028kB min:36380kB low:45472kB high:54564kB active_anon:550756kB inactive_anon:1924kB active_file:964kB inactive_file:660kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9184kB pagetables:15688kB bounce:0kB free_pcp:240kB local_pcp:120kB free_cma:0kB [ 1087.250880] lowmem_reserve[]: 0 0 0 0 0 [ 1087.254924] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1087.285750] lowmem_reserve[]: 0 0 0 0 0 [ 1087.289775] Node 1 Normal free:26720kB min:53508kB low:66884kB high:80260kB active_anon:72988kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3328kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1087.346873] lowmem_reserve[]: 0 0 0 0 0 [ 1087.351019] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1087.370209] Node 0 DMA32: 2582*4kB (UME) 789*8kB (UME) 42*16kB (UM) 8*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18016kB [ 1087.384487] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1087.396505] Node 1 Normal: 394*4kB (UME) 191*8kB (UME) 154*16kB (UM) 191*32kB (UME) 105*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26720kB [ 1087.423717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1087.432663] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1087.452054] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1087.469345] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1087.484385] 961 total pagecache pages [ 1087.488232] 0 pages in swap cache [ 1087.495360] Swap cache stats: add 0, delete 0, find 0/0 [ 1087.506322] Free swap = 0kB [ 1087.509368] Total swap = 0kB [ 1087.512461] 1965979 pages RAM [ 1087.515562] 0 pages HighMem/MovableOnly [ 1087.519630] 335869 pages reserved [ 1087.529088] 0 pages cma reserved [ 1087.532567] Out of memory: Kill process 21236 (syz-executor.5) score 1005 or sacrifice child [ 1087.558012] Killed process 21236 (syz-executor.5) total-vm:72720kB, anon-rss:172kB, file-rss:34816kB, shmem-rss:0kB [ 1087.598562] oom_reaper: reaped process 21236 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1087.694865] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1087.718612] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1087.730502] CPU: 0 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1087.737975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1087.747328] Call Trace: [ 1087.749923] dump_stack+0x142/0x197 [ 1087.753548] dump_header+0x177/0x6cd [ 1087.757271] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1087.762406] ? ___ratelimit+0x55/0x537 [ 1087.766309] oom_kill_process.cold+0x10/0xadd [ 1087.770808] ? oom_unkillable_task+0x294/0x390 [ 1087.775401] ? lock_downgrade+0x740/0x740 [ 1087.779548] out_of_memory+0x2ee/0x1180 [ 1087.783519] ? lock_acquire+0x16f/0x430 [ 1087.787500] ? oom_killer_disable+0x1d0/0x1d0 [ 1087.792016] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1087.796951] __alloc_pages_slowpath+0x2251/0x2930 [ 1087.801907] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1087.806753] ? warn_alloc+0xf0/0xf0 [ 1087.810447] ? __might_sleep+0x93/0xb0 [ 1087.814343] __alloc_pages_nodemask+0x62c/0x7a0 [ 1087.819035] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1087.824055] ? lock_downgrade+0x740/0x740 [ 1087.828217] alloc_pages_current+0xec/0x1e0 [ 1087.832545] __page_cache_alloc+0x248/0x3e0 [ 1087.836875] filemap_fault+0xcef/0x1de0 [ 1087.840851] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1087.845794] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1087.850468] ? lock_acquire+0x16f/0x430 [ 1087.854444] ? ext4_filemap_fault+0x7b/0xb0 [ 1087.858774] ext4_filemap_fault+0x83/0xb0 [ 1087.862963] __do_fault+0x104/0x390 [ 1087.866604] __handle_mm_fault+0x23bd/0x33d0 [ 1087.871193] ? copy_page_range+0x1de0/0x1de0 [ 1087.875601] ? find_held_lock+0x35/0x130 [ 1087.879698] ? handle_mm_fault+0x1b6/0x7c0 [ 1087.883948] handle_mm_fault+0x293/0x7c0 [ 1087.888022] __do_page_fault+0x4c1/0xb80 [ 1087.892087] ? vmalloc_fault+0xe30/0xe30 [ 1087.896145] ? page_fault+0x2f/0x50 [ 1087.899769] do_page_fault+0x71/0x511 [ 1087.903572] ? page_fault+0x2f/0x50 [ 1087.907198] page_fault+0x45/0x50 [ 1087.910646] RIP: 0033:0x4284f0 [ 1087.913830] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1087.919298] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1087.926555] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1087.933910] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1087.941178] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1087.948448] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1087.979628] Mem-Info: [ 1087.987142] active_anon:155923 inactive_anon:483 isolated_anon:0 [ 1087.987142] active_file:214 inactive_file:178 isolated_file:48 [ 1087.987142] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1087.987142] slab_reclaimable:14689 slab_unreclaimable:117320 [ 1087.987142] mapped:52290 shmem:537 pagetables:4344 bounce:0 [ 1087.987142] free:13798 free_pcp:30 free_cma:0 [ 1088.026148] Node 0 active_anon:550704kB inactive_anon:1924kB active_file:860kB inactive_file:828kB unevictable:0kB isolated(anon):0kB isolated(file):64kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1088.059943] Node 1 active_anon:72988kB inactive_anon:8kB active_file:0kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1088.104729] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1088.143220] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1088.148291] Node 0 DMA32 free:18004kB min:36380kB low:45472kB high:54564kB active_anon:550608kB inactive_anon:1924kB active_file:784kB inactive_file:652kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9184kB pagetables:15584kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1088.177677] lowmem_reserve[]: 0 0 0 0 0 [ 1088.181711] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1088.207044] lowmem_reserve[]: 0 0 0 0 0 [ 1088.212409] Node 1 Normal free:26720kB min:53508kB low:66884kB high:80260kB active_anon:72988kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3328kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1088.242563] lowmem_reserve[]: 0 0 0 0 0 [ 1088.246595] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1088.263054] Node 0 DMA32: 2582*4kB (UME) 789*8kB (UME) 43*16kB (UM) 8*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18032kB [ 1088.277211] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1088.288144] Node 1 Normal: 394*4kB (UME) 191*8kB (UME) 154*16kB (UM) 191*32kB (UME) 105*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26720kB [ 1088.308263] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1088.317185] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1088.325839] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1088.337508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1088.346210] 961 total pagecache pages [ 1088.352512] 0 pages in swap cache [ 1088.356009] Swap cache stats: add 0, delete 0, find 0/0 [ 1088.361710] Free swap = 0kB [ 1088.364732] Total swap = 0kB [ 1088.367779] 1965979 pages RAM [ 1088.371736] 0 pages HighMem/MovableOnly [ 1088.375712] 335869 pages reserved [ 1088.379157] 0 pages cma reserved [ 1088.388161] Out of memory: Kill process 25148 (syz-executor.1) score 1005 or sacrifice child [ 1088.396837] Killed process 25148 (syz-executor.1) total-vm:72720kB, anon-rss:172kB, file-rss:34816kB, shmem-rss:0kB [ 1088.555777] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1088.582098] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1088.586919] CPU: 0 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1088.594371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1088.603729] Call Trace: [ 1088.606315] dump_stack+0x142/0x197 [ 1088.609966] dump_header+0x177/0x6cd [ 1088.613686] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1088.618798] ? ___ratelimit+0x55/0x537 [ 1088.622696] oom_kill_process.cold+0x10/0xadd [ 1088.627193] ? oom_unkillable_task+0x294/0x390 [ 1088.631780] ? lock_downgrade+0x740/0x740 [ 1088.635943] out_of_memory+0x2ee/0x1180 [ 1088.639978] ? lock_acquire+0x16f/0x430 [ 1088.643961] ? oom_killer_disable+0x1d0/0x1d0 [ 1088.648461] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1088.653396] __alloc_pages_slowpath+0x2251/0x2930 [ 1088.658251] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1088.663117] ? warn_alloc+0xf0/0xf0 [ 1088.666756] ? __might_sleep+0x93/0xb0 [ 1088.670648] __alloc_pages_nodemask+0x62c/0x7a0 [ 1088.675328] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1088.680361] ? lock_downgrade+0x740/0x740 [ 1088.684542] alloc_pages_current+0xec/0x1e0 [ 1088.688877] __page_cache_alloc+0x248/0x3e0 [ 1088.693209] filemap_fault+0xcef/0x1de0 [ 1088.697180] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1088.702113] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1088.706790] ? lock_acquire+0x16f/0x430 [ 1088.710768] ? ext4_filemap_fault+0x7b/0xb0 [ 1088.715110] ext4_filemap_fault+0x83/0xb0 [ 1088.719259] __do_fault+0x104/0x390 [ 1088.722892] __handle_mm_fault+0x23bd/0x33d0 [ 1088.727315] ? copy_page_range+0x1de0/0x1de0 [ 1088.731729] ? find_held_lock+0x35/0x130 [ 1088.735790] ? handle_mm_fault+0x1b6/0x7c0 [ 1088.740036] handle_mm_fault+0x293/0x7c0 [ 1088.744104] __do_page_fault+0x4c1/0xb80 [ 1088.748172] ? vmalloc_fault+0xe30/0xe30 [ 1088.752235] ? page_fault+0x2f/0x50 [ 1088.755862] do_page_fault+0x71/0x511 [ 1088.759659] ? page_fault+0x2f/0x50 [ 1088.763292] page_fault+0x45/0x50 [ 1088.766747] RIP: 0033:0x4284f0 [ 1088.769943] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1088.775306] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1088.782678] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1088.789944] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1088.797215] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1088.804487] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1088.810132] syz-executor.4: page allocation failure: order:0, mode:0x1404040(GFP_NOFS|__GFP_COMP), nodemask=(null) [ 1088.828856] Mem-Info: [ 1088.839075] active_anon:155874 inactive_anon:483 isolated_anon:0 [ 1088.839075] active_file:239 inactive_file:199 isolated_file:0 [ 1088.839075] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1088.839075] slab_reclaimable:14689 slab_unreclaimable:117322 [ 1088.839075] mapped:52290 shmem:537 pagetables:4329 bounce:0 [ 1088.839075] free:13812 free_pcp:18 free_cma:0 [ 1088.847531] syz-executor.4 cpuset= [ 1088.889612] Node 0 active_anon:550508kB inactive_anon:1924kB active_file:760kB inactive_file:840kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1088.895960] syz4 mems_allowed=0-1 [ 1088.947184] Node 1 active_anon:72988kB inactive_anon:8kB active_file:4kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1088.962106] CPU: 1 PID: 920 Comm: syz-executor.4 Not tainted 4.14.167-syzkaller #0 [ 1088.981152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1088.990510] Call Trace: [ 1088.991291] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:24kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1088.993105] dump_stack+0x142/0x197 [ 1088.993119] warn_alloc.cold+0x96/0x1af [ 1089.019601] lowmem_reserve[]: [ 1089.023197] ? zone_watermark_ok_safe+0x2b0/0x2b0 [ 1089.023209] ? trace_hardirqs_on_caller+0x400/0x590 [ 1089.027157] 0 2569 [ 1089.030286] __alloc_pages_slowpath+0x23c6/0x2930 [ 1089.030311] ? warn_alloc+0xf0/0xf0 [ 1089.035130] 2569 [ 1089.040160] ? __might_sleep+0x93/0xb0 [ 1089.040173] __alloc_pages_nodemask+0x62c/0x7a0 [ 1089.040185] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1089.040197] ? cache_grow_begin+0x335/0x400 [ 1089.042415] 2569 [ 1089.047248] cache_grow_begin+0x80/0x400 [ 1089.050989] 2569 [ 1089.053022] ? __cpuset_node_allowed+0xff/0x450 [ 1089.061569] fallback_alloc+0x1fd/0x2c0 [ 1089.061584] ____cache_alloc_node+0x1be/0x1d0 [ 1089.061594] __kmalloc+0x21a/0x7a0 [ 1089.061608] ? ext4_ext_remove_space+0x17c5/0x3b10 [ 1089.066614] Node 0 [ 1089.070927] ext4_ext_remove_space+0x17c5/0x3b10 [ 1089.070939] ? save_trace+0x290/0x290 [ 1089.070950] ? ext4_es_remove_extent+0x9f/0x330 [ 1089.070960] ? find_held_lock+0x35/0x130 [ 1089.073027] DMA32 free:18144kB min:36380kB low:45472kB high:54564kB active_anon:550460kB inactive_anon:1924kB active_file:824kB inactive_file:784kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9184kB pagetables:15480kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1089.077086] ? ext4_ext_index_trans_blocks+0x130/0x130 [ 1089.079123] lowmem_reserve[]: [ 1089.083777] ? lock_downgrade+0x740/0x740 [ 1089.083792] ? _raw_write_unlock+0x2d/0x50 [ 1089.083799] ? ext4_es_remove_extent+0xa4/0x330 [ 1089.083809] ext4_ext_truncate+0x19e/0x1f0 [ 1089.083824] ext4_truncate+0xbab/0x11f0 [ 1089.087785] 0 0 [ 1089.092294] ? ext4_punch_hole+0x1100/0x1100 [ 1089.092304] ? __ext4_journal_start_sb+0x105/0x450 [ 1089.092310] ? ext4_evict_inode+0x738/0x15d0 [ 1089.092319] ext4_evict_inode+0x8c1/0x15d0 [ 1089.092332] ? ext4_da_write_begin+0xea0/0xea0 [ 1089.095853] 0 [ 1089.100804] ? _raw_spin_unlock+0x2d/0x50 [ 1089.100813] ? ext4_da_write_begin+0xea0/0xea0 [ 1089.100824] evict+0x2e6/0x630 [ 1089.100833] ? do_raw_spin_unlock+0x174/0x260 [ 1089.100844] iput+0x471/0x900 [ 1089.103068] 0 [ 1089.107901] ? ext4_nfs_commit_metadata+0x2f0/0x2f0 [ 1089.111729] 0 [ 1089.116350] dentry_unlink_inode+0x286/0x340 [ 1089.149319] __dentry_kill+0x32e/0x580 [ 1089.149327] ? dput.part.0+0x2a/0x750 [ 1089.149335] ? dput.part.0+0x2a/0x750 [ 1089.149341] dput.part.0+0x4e3/0x750 [ 1089.149351] dput+0x20/0x30 [ 1089.149363] path_put+0x31/0x70 [ 1089.154704] Node 0 [ 1089.157773] free_fs_struct+0x25/0x70 [ 1089.161987] Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1089.166176] exit_fs+0xe7/0x120 [ 1089.170872] lowmem_reserve[]: [ 1089.175054] do_exit+0x9f4/0x2cd0 [ 1089.179029] 0 0 [ 1089.181016] ? get_signal+0x319/0x1cd0 [ 1089.181029] ? mm_update_next_owner+0x5d0/0x5d0 [ 1089.181046] do_group_exit+0x111/0x330 [ 1089.181057] get_signal+0x381/0x1cd0 [ 1089.185455] 0 [ 1089.190381] ? trace_hardirqs_on+0x10/0x10 [ 1089.190394] ? save_trace+0x290/0x290 [ 1089.190412] do_signal+0x86/0x19a0 [ 1089.190427] ? setup_sigcontext+0x7d0/0x7d0 [ 1089.194846] 0 [ 1089.199085] ? check_preemption_disabled+0x3c/0x250 [ 1089.203694] 0 [ 1089.205464] ? check_preemption_disabled+0x3c/0x250 [ 1089.209614] Node 1 [ 1089.214206] ? debug_smp_processor_id+0x1c/0x20 [ 1089.214216] ? perf_trace_sys_exit+0x294/0x400 [ 1089.214224] ? check_preemption_disabled+0x3c/0x250 [ 1089.214234] ? exit_to_usermode_loop+0x3d/0x220 [ 1089.214247] exit_to_usermode_loop+0x15c/0x220 [ 1089.214259] do_syscall_64+0x4bc/0x640 [ 1089.217470] Normal free:26720kB min:53508kB low:66884kB high:80260kB active_anon:72988kB inactive_anon:8kB active_file:4kB inactive_file:32kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3328kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1089.222995] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1089.223013] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1089.223020] RIP: 0033:0x45b349 [ 1089.223025] RSP: 002b:00007f9a7c7a4cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1089.223037] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 000000000045b349 [ 1089.226135] lowmem_reserve[]: [ 1089.227922] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 1089.227928] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1089.232967] 0 [ 1089.234739] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 1089.234747] R13: 00007ffe09926a5f R14: 00007f9a7c7a59c0 R15: 000000000075bf2c [ 1089.239142] 0 0 [ 1089.326514] Mem-Info: [ 1089.486424] active_anon:155874 inactive_anon:483 isolated_anon:0 [ 1089.486424] active_file:196 inactive_file:170 isolated_file:32 [ 1089.486424] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1089.486424] slab_reclaimable:14689 slab_unreclaimable:117327 [ 1089.486424] mapped:52290 shmem:537 pagetables:4329 bounce:0 [ 1089.486424] free:13795 free_pcp:56 free_cma:0 [ 1089.510931] 0 [ 1089.534736] Node 0 active_anon:550508kB inactive_anon:1924kB active_file:728kB inactive_file:844kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1089.537910] 0 [ 1089.571072] Node 1 active_anon:72988kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1089.635527] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:16kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1089.646916] Node 0 [ 1089.680540] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1089.687845] Node 0 DMA32 free:18068kB min:36380kB low:45472kB high:54564kB active_anon:550460kB inactive_anon:1924kB active_file:816kB inactive_file:668kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9184kB pagetables:15480kB bounce:0kB free_pcp:112kB local_pcp:0kB free_cma:0kB [ 1089.694647] DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1089.722411] lowmem_reserve[]: 0 0 0 0 0 [ 1089.758721] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1089.782830] Node 0 DMA32: 2581*4kB (UME) 788*8kB (ME) 46*16kB (UM) 9*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18100kB [ 1089.794770] lowmem_reserve[]: 0 0 0 0 0 [ 1089.806897] Node 1 Normal free:26720kB min:53508kB low:66884kB high:80260kB active_anon:72988kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3328kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1089.857899] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1089.895998] Node 1 Normal: 394*4kB (UME) 191*8kB (UME) 154*16kB (UM) 191*32kB (UME) 105*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26720kB [ 1089.898660] lowmem_reserve[]: [ 1089.917516] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1089.929498] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1089.949587] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1089.958504] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1089.964635] 0 0 0 0 0 [ 1089.969597] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1089.976574] 961 total pagecache pages [ 1090.006115] Node 0 DMA32: 2583*4kB (UME) 792*8kB (UME) 49*16kB (UM) 9*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18188kB [ 1090.022355] 0 pages in swap cache [ 1090.025827] Swap cache stats: add 0, delete 0, find 0/0 [ 1090.030116] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1090.049637] Node 1 Normal: 394*4kB (UME) 191*8kB (UME) 154*16kB (UM) 191*32kB (UME) 105*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26720kB [ 1090.056231] Free swap = 0kB [ 1090.089631] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1090.090694] Total swap = 0kB [ 1090.112196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1090.129971] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1090.139501] 1965979 pages RAM [ 1090.148101] 0 pages HighMem/MovableOnly [ 1090.157436] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1090.157956] 335869 pages reserved [ 1090.178161] 0 pages cma reserved [ 1090.181642] Out of memory: Kill process 25945 (syz-executor.3) score 1005 or sacrifice child [ 1090.192604] 961 total pagecache pages [ 1090.196439] 0 pages in swap cache [ 1090.199705] Killed process 25945 (syz-executor.3) total-vm:72720kB, anon-rss:172kB, file-rss:34816kB, shmem-rss:0kB [ 1090.199891] Swap cache stats: add 0, delete 0, find 0/0 [ 1090.199896] Free swap = 0kB [ 1090.199900] Total swap = 0kB [ 1090.199908] 1965979 pages RAM [ 1090.199911] 0 pages HighMem/MovableOnly [ 1090.199917] 335869 pages reserved [ 1090.241563] 0 pages cma reserved [ 1090.245025] EXT4-fs error (device sda1): ext4_evict_inode:299: comm syz-executor.4: couldn't truncate inode 16613 (err -12) [ 1090.288718] oom_reaper: reaped process 25945 (syz-executor.3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1090.309369] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1090.330757] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1090.335562] CPU: 1 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1090.343003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1090.352351] Call Trace: [ 1090.354921] dump_stack+0x142/0x197 [ 1090.358535] dump_header+0x177/0x6cd [ 1090.362242] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1090.367331] ? ___ratelimit+0x55/0x537 [ 1090.371201] oom_kill_process.cold+0x10/0xadd [ 1090.375716] ? oom_unkillable_task+0x294/0x390 [ 1090.380285] ? lock_downgrade+0x740/0x740 [ 1090.384417] out_of_memory+0x2ee/0x1180 [ 1090.388369] ? lock_acquire+0x16f/0x430 [ 1090.392327] ? oom_killer_disable+0x1d0/0x1d0 [ 1090.396802] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1090.401708] __alloc_pages_slowpath+0x2251/0x2930 [ 1090.406534] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1090.411378] ? warn_alloc+0xf0/0xf0 [ 1090.414989] ? __might_sleep+0x93/0xb0 [ 1090.418854] __alloc_pages_nodemask+0x62c/0x7a0 [ 1090.423502] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1090.428497] ? lock_downgrade+0x740/0x740 [ 1090.432630] alloc_pages_current+0xec/0x1e0 [ 1090.436931] __page_cache_alloc+0x248/0x3e0 [ 1090.441265] filemap_fault+0xcef/0x1de0 [ 1090.445226] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1090.450139] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1090.454794] ? lock_acquire+0x16f/0x430 [ 1090.458751] ? ext4_filemap_fault+0x7b/0xb0 [ 1090.463054] ext4_filemap_fault+0x83/0xb0 [ 1090.467180] __do_fault+0x104/0x390 [ 1090.470798] __handle_mm_fault+0x23bd/0x33d0 [ 1090.475186] ? copy_page_range+0x1de0/0x1de0 [ 1090.479597] ? find_held_lock+0x35/0x130 [ 1090.483639] ? handle_mm_fault+0x1b6/0x7c0 [ 1090.487886] handle_mm_fault+0x293/0x7c0 [ 1090.491973] __do_page_fault+0x4c1/0xb80 [ 1090.496032] ? vmalloc_fault+0xe30/0xe30 [ 1090.500095] ? page_fault+0x2f/0x50 [ 1090.503718] do_page_fault+0x71/0x511 [ 1090.507500] ? page_fault+0x2f/0x50 [ 1090.511109] page_fault+0x45/0x50 [ 1090.514556] RIP: 0033:0x4284f0 [ 1090.517739] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1090.523089] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1090.530368] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1090.537628] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1090.544895] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1090.552148] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1090.564257] Mem-Info: [ 1090.566689] active_anon:155838 inactive_anon:483 isolated_anon:0 [ 1090.566689] active_file:226 inactive_file:200 isolated_file:0 [ 1090.566689] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1090.566689] slab_reclaimable:14689 slab_unreclaimable:117335 [ 1090.566689] mapped:52290 shmem:537 pagetables:4303 bounce:0 [ 1090.566689] free:13820 free_pcp:29 free_cma:0 [ 1090.603611] Node 0 active_anon:550368kB inactive_anon:1924kB active_file:872kB inactive_file:796kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1090.631991] Node 1 active_anon:72984kB inactive_anon:8kB active_file:32kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1090.658435] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1090.692552] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1090.697631] Node 0 DMA32 free:18172kB min:36380kB low:45472kB high:54564kB active_anon:550320kB inactive_anon:1924kB active_file:880kB inactive_file:724kB unevictable:0kB writepending:1492kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9184kB pagetables:15376kB bounce:0kB free_pcp:108kB local_pcp:0kB free_cma:0kB [ 1090.743137] lowmem_reserve[]: 0 0 0 0 0 [ 1090.747173] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1090.777040] lowmem_reserve[]: 0 0 0 0 0 [ 1090.796296] Node 1 Normal free:26724kB min:53508kB low:66884kB high:80260kB active_anon:72984kB inactive_anon:8kB active_file:36kB inactive_file:0kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3328kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1090.837808] lowmem_reserve[]: 0 0 0 0 0 [ 1090.842170] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1090.869368] Node 0 DMA32: 2570*4kB (UME) 789*8kB (UME) 44*16kB (UM) 9*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18032kB [ 1090.889001] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1090.899828] Node 1 Normal: 395*4kB (UME) 191*8kB (UME) 154*16kB (UM) 191*32kB (UME) 105*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26724kB [ 1090.917912] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1090.926826] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1090.935456] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1090.944326] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1090.952937] 964 total pagecache pages [ 1090.956739] 0 pages in swap cache [ 1090.960322] Swap cache stats: add 0, delete 0, find 0/0 [ 1090.965681] Free swap = 0kB [ 1090.968698] Total swap = 0kB [ 1090.971771] 1965979 pages RAM [ 1090.974866] 0 pages HighMem/MovableOnly [ 1090.978829] 335869 pages reserved [ 1090.987601] 0 pages cma reserved [ 1090.995427] Out of memory: Kill process 27797 (syz-executor.4) score 1005 or sacrifice child [ 1091.006529] Killed process 27797 (syz-executor.4) total-vm:72720kB, anon-rss:172kB, file-rss:34816kB, shmem-rss:0kB [ 1091.072574] oom_reaper: reaped process 27797 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1091.105723] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1091.126897] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1091.132200] CPU: 1 PID: 7249 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1091.139648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1091.149002] Call Trace: [ 1091.151596] dump_stack+0x142/0x197 [ 1091.155235] dump_header+0x177/0x6cd [ 1091.158945] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1091.164047] ? ___ratelimit+0x55/0x537 [ 1091.167942] oom_kill_process.cold+0x10/0xadd [ 1091.172438] ? oom_unkillable_task+0x294/0x390 [ 1091.177022] ? lock_downgrade+0x740/0x740 [ 1091.181176] out_of_memory+0x2ee/0x1180 [ 1091.185146] ? lock_acquire+0x16f/0x430 [ 1091.189124] ? oom_killer_disable+0x1d0/0x1d0 [ 1091.193620] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1091.198561] __alloc_pages_slowpath+0x2251/0x2930 [ 1091.203420] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1091.208267] ? warn_alloc+0xf0/0xf0 [ 1091.211908] ? __might_sleep+0x93/0xb0 [ 1091.215792] __alloc_pages_nodemask+0x62c/0x7a0 [ 1091.220470] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1091.225485] ? lock_downgrade+0x740/0x740 [ 1091.229663] alloc_pages_current+0xec/0x1e0 [ 1091.233988] __page_cache_alloc+0x248/0x3e0 [ 1091.238314] filemap_fault+0xcef/0x1de0 [ 1091.242286] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1091.247314] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1091.251984] ? lock_acquire+0x16f/0x430 [ 1091.255956] ? ext4_filemap_fault+0x7b/0xb0 [ 1091.260286] ext4_filemap_fault+0x83/0xb0 [ 1091.264432] __do_fault+0x104/0x390 [ 1091.268058] __handle_mm_fault+0x23bd/0x33d0 [ 1091.272467] ? copy_page_range+0x1de0/0x1de0 [ 1091.276870] ? find_held_lock+0x35/0x130 [ 1091.280933] ? handle_mm_fault+0x1b6/0x7c0 [ 1091.285179] handle_mm_fault+0x293/0x7c0 [ 1091.289239] __do_page_fault+0x4c1/0xb80 [ 1091.293303] ? vmalloc_fault+0xe30/0xe30 [ 1091.297361] ? page_fault+0x2f/0x50 [ 1091.300986] do_page_fault+0x71/0x511 [ 1091.304782] ? page_fault+0x2f/0x50 [ 1091.308407] page_fault+0x45/0x50 [ 1091.311854] RIP: 0033:0x45b153 [ 1091.315039] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206 [ 1091.320399] RAX: ffffffffffffff92 RBX: 000000003b4f37a3 RCX: 000000000045b153 [ 1091.327662] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e120a0 [ 1091.334925] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1091.342189] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c427908218 [ 1091.349455] R13: 000000000000007f R14: 0000000000c8b140 R15: 0000000000000213 [ 1091.383888] Mem-Info: [ 1091.386349] active_anon:155802 inactive_anon:483 isolated_anon:0 [ 1091.386349] active_file:220 inactive_file:190 isolated_file:24 [ 1091.386349] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1091.386349] slab_reclaimable:14689 slab_unreclaimable:117360 [ 1091.386349] mapped:52290 shmem:537 pagetables:4277 bounce:0 [ 1091.386349] free:13814 free_pcp:24 free_cma:0 [ 1091.425305] Node 0 active_anon:550224kB inactive_anon:1924kB active_file:800kB inactive_file:800kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1091.463837] Node 1 active_anon:72984kB inactive_anon:8kB active_file:32kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1091.517512] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:12kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1091.556552] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1091.563037] Node 0 DMA32 free:18252kB min:36380kB low:45472kB high:54564kB active_anon:550176kB inactive_anon:1924kB active_file:884kB inactive_file:740kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9184kB pagetables:15272kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1091.597884] lowmem_reserve[]: 0 0 0 0 0 [ 1091.607582] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1091.651713] lowmem_reserve[]: 0 0 0 0 0 [ 1091.655764] Node 1 Normal free:26724kB min:53508kB low:66884kB high:80260kB active_anon:72984kB inactive_anon:8kB active_file:56kB inactive_file:0kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3328kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1091.689457] lowmem_reserve[]: 0 0 0 0 0 [ 1091.694740] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1091.727611] Node 0 DMA32: 2600*4kB (UME) 792*8kB (UME) 41*16kB (UM) 9*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18128kB [ 1091.748026] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1091.779655] Node 1 Normal: 395*4kB (UME) 191*8kB (UME) 154*16kB (UM) 191*32kB (UME) 105*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26724kB [ 1091.806756] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1091.815750] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1091.825260] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1091.857065] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1091.865709] 961 total pagecache pages [ 1091.869508] 0 pages in swap cache [ 1091.893396] Swap cache stats: add 0, delete 0, find 0/0 [ 1091.898794] Free swap = 0kB [ 1091.901885] Total swap = 0kB [ 1091.904903] 1965979 pages RAM [ 1091.907998] 0 pages HighMem/MovableOnly [ 1091.924481] 335869 pages reserved [ 1091.927954] 0 pages cma reserved [ 1091.931348] Out of memory: Kill process 28976 (syz-executor.0) score 1005 or sacrifice child [ 1091.939957] Killed process 28976 (syz-executor.0) total-vm:72720kB, anon-rss:172kB, file-rss:34816kB, shmem-rss:0kB [ 1092.025551] oom_reaper: reaped process 28976 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1092.117905] cron invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1092.132157] cron cpuset=/ mems_allowed=0-1 [ 1092.136582] CPU: 1 PID: 7155 Comm: cron Not tainted 4.14.167-syzkaller #0 [ 1092.143515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1092.152872] Call Trace: [ 1092.155466] dump_stack+0x142/0x197 [ 1092.159103] ? uas_probe+0xf0/0x1320 [ 1092.162825] dump_header+0x177/0x6cd [ 1092.166544] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1092.171652] ? ___ratelimit+0x55/0x537 [ 1092.175538] oom_kill_process.cold+0x10/0xadd [ 1092.180033] ? oom_unkillable_task+0x294/0x390 [ 1092.184618] ? lock_downgrade+0x740/0x740 [ 1092.188863] out_of_memory+0x2ee/0x1180 [ 1092.192841] ? lock_acquire+0x16f/0x430 [ 1092.196822] ? oom_killer_disable+0x1d0/0x1d0 [ 1092.201324] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1092.206256] __alloc_pages_slowpath+0x2251/0x2930 [ 1092.211098] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1092.215955] ? warn_alloc+0xf0/0xf0 [ 1092.219588] ? __might_sleep+0x93/0xb0 [ 1092.223475] __alloc_pages_nodemask+0x62c/0x7a0 [ 1092.228155] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1092.233183] ? lock_downgrade+0x740/0x740 [ 1092.237346] alloc_pages_current+0xec/0x1e0 [ 1092.241671] __page_cache_alloc+0x248/0x3e0 [ 1092.245993] filemap_fault+0xcef/0x1de0 [ 1092.249975] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1092.254914] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1092.259620] ? lock_acquire+0x16f/0x430 [ 1092.263593] ? ext4_filemap_fault+0x7b/0xb0 [ 1092.267914] ext4_filemap_fault+0x83/0xb0 [ 1092.272051] __do_fault+0x104/0x390 [ 1092.275680] __handle_mm_fault+0x23bd/0x33d0 [ 1092.280196] ? copy_page_range+0x1de0/0x1de0 [ 1092.284605] ? find_held_lock+0x35/0x130 [ 1092.288711] ? handle_mm_fault+0x1b6/0x7c0 [ 1092.292969] handle_mm_fault+0x293/0x7c0 [ 1092.297028] __do_page_fault+0x4c1/0xb80 [ 1092.301191] ? vmalloc_fault+0xe30/0xe30 [ 1092.305253] ? page_fault+0x2f/0x50 [ 1092.308878] do_page_fault+0x71/0x511 [ 1092.312684] ? page_fault+0x2f/0x50 [ 1092.316307] page_fault+0x45/0x50 [ 1092.319748] RIP: 0033:0x40320a [ 1092.322917] RSP: 002b:00007fff5d3ac440 EFLAGS: 00010202 [ 1092.328268] RAX: 0000000000000000 RBX: 000000000191c708 RCX: 00007ffb9b99de40 [ 1092.335527] RDX: 0000000000000000 RSI: 00007fff5d3ac400 RDI: 00007fff5d3ac400 [ 1092.342800] RBP: 0000000000000000 R08: 00007fff5d3ac260 R09: 0000000000000000 [ 1092.350066] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000004033c4 [ 1092.357341] R13: 00007fff5d3ac560 R14: 0000000000000000 R15: 0000000000000000 [ 1092.396286] Mem-Info: [ 1092.398784] active_anon:155766 inactive_anon:483 isolated_anon:0 [ 1092.398784] active_file:221 inactive_file:218 isolated_file:0 [ 1092.398784] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1092.398784] slab_reclaimable:14689 slab_unreclaimable:117370 [ 1092.398784] mapped:52290 shmem:537 pagetables:4251 bounce:0 [ 1092.398784] free:13806 free_pcp:29 free_cma:0 [ 1092.443902] Node 0 active_anon:550080kB inactive_anon:1924kB active_file:864kB inactive_file:776kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1092.492401] Node 1 active_anon:72984kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1092.531440] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1092.558858] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1092.563958] Node 0 DMA32 free:18128kB min:36380kB low:45472kB high:54564kB active_anon:550032kB inactive_anon:1924kB active_file:864kB inactive_file:808kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9184kB pagetables:15168kB bounce:0kB free_pcp:96kB local_pcp:96kB free_cma:0kB [ 1092.593318] lowmem_reserve[]: 0 0 0 0 0 [ 1092.597324] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1092.628399] lowmem_reserve[]: 0 0 0 0 0 [ 1092.667229] Node 1 Normal free:26724kB min:53508kB low:66884kB high:80260kB active_anon:72984kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3328kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1092.706537] lowmem_reserve[]: 0 0 0 0 0 [ 1092.710627] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1092.737094] Node 0 DMA32: 2571*4kB (UME) 792*8kB (UME) 44*16kB (UM) 10*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18092kB [ 1092.758337] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1092.779330] Node 1 Normal: 395*4kB (UME) 191*8kB (UME) 154*16kB (UM) 191*32kB (UME) 105*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26724kB [ 1092.801221] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1092.810971] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1092.819638] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1092.828524] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1092.837163] 962 total pagecache pages [ 1092.846342] 0 pages in swap cache [ 1092.849826] Swap cache stats: add 0, delete 0, find 0/0 [ 1092.861170] Free swap = 0kB [ 1092.864205] Total swap = 0kB [ 1092.867222] 1965979 pages RAM [ 1092.870384] 0 pages HighMem/MovableOnly [ 1092.874358] 335869 pages reserved [ 1092.877806] 0 pages cma reserved [ 1092.881280] Out of memory: Kill process 30169 (syz-executor.4) score 1005 or sacrifice child [ 1092.889893] Killed process 30169 (syz-executor.4) total-vm:72720kB, anon-rss:172kB, file-rss:34816kB, shmem-rss:0kB [ 1092.937861] oom_reaper: reaped process 30169 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1092.983310] kworker/u4:6 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1093.003347] kworker/u4:6 cpuset=/ mems_allowed=0-1 [ 1093.008364] CPU: 1 PID: 8805 Comm: kworker/u4:6 Not tainted 4.14.167-syzkaller #0 [ 1093.015983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1093.025353] Workqueue: netns cleanup_net [ 1093.029417] Call Trace: [ 1093.031999] dump_stack+0x142/0x197 [ 1093.035638] dump_header+0x177/0x6cd [ 1093.039358] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1093.044466] ? ___ratelimit+0x55/0x537 [ 1093.048366] oom_kill_process.cold+0x10/0xadd [ 1093.052870] ? rcu_read_unlock_special+0x639/0xd40 [ 1093.057803] ? lock_downgrade+0x740/0x740 [ 1093.061972] out_of_memory+0x2ee/0x1180 [ 1093.065947] ? lock_acquire+0x16f/0x430 [ 1093.069931] ? oom_killer_disable+0x1d0/0x1d0 [ 1093.074427] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1093.079361] __alloc_pages_slowpath+0x2251/0x2930 [ 1093.084233] ? warn_alloc+0xf0/0xf0 [ 1093.087873] ? __might_sleep+0x93/0xb0 [ 1093.091761] __alloc_pages_nodemask+0x62c/0x7a0 [ 1093.096430] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1093.101455] ? cache_grow_begin+0x335/0x400 [ 1093.105782] cache_grow_begin+0x80/0x400 [ 1093.109851] ? __cpuset_node_allowed+0xff/0x450 [ 1093.114524] fallback_alloc+0x1fd/0x2c0 [ 1093.118506] ____cache_alloc_node+0x1be/0x1d0 [ 1093.123086] kmem_cache_alloc_node+0xe3/0x780 [ 1093.127604] __alloc_skb+0x9c/0x500 [ 1093.131225] ? skb_trim+0x180/0x180 [ 1093.134845] ? if_nlmsg_size+0x38f/0x810 [ 1093.138920] rtmsg_ifinfo_build_skb+0x72/0x140 [ 1093.143509] rollback_registered_many+0x78f/0xb60 [ 1093.148351] ? netdev_info+0xf0/0xf0 [ 1093.152059] ? save_trace+0x290/0x290 [ 1093.155858] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1093.160801] unregister_netdevice_many.part.0+0x1b/0x1e0 [ 1093.166250] unregister_netdevice_many+0x3b/0x50 [ 1093.171006] ip_tunnel_delete_net+0x273/0x330 [ 1093.175501] ? __ip_tunnel_create+0x450/0x450 [ 1093.179993] ipip_exit_net+0x11b/0x1f0 [ 1093.183873] ? ipip_rcv+0x20/0x20 [ 1093.187331] ops_exit_list.isra.0+0xaa/0x150 [ 1093.191754] cleanup_net+0x3ba/0x870 [ 1093.195471] ? net_drop_ns+0x80/0x80 [ 1093.199181] ? __lock_is_held+0xb6/0x140 [ 1093.203455] ? check_preemption_disabled+0x3c/0x250 [ 1093.208475] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1093.213929] process_one_work+0x863/0x1600 [ 1093.218169] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1093.222846] worker_thread+0x5d9/0x1050 [ 1093.226850] kthread+0x319/0x430 [ 1093.230216] ? process_one_work+0x1600/0x1600 [ 1093.234724] ? kthread_create_on_node+0xd0/0xd0 [ 1093.239403] ret_from_fork+0x24/0x30 [ 1093.295257] Mem-Info: [ 1093.297745] active_anon:155736 inactive_anon:483 isolated_anon:0 [ 1093.297745] active_file:225 inactive_file:186 isolated_file:0 [ 1093.297745] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1093.297745] slab_reclaimable:14689 slab_unreclaimable:116603 [ 1093.297745] mapped:52290 shmem:537 pagetables:4225 bounce:0 [ 1093.297745] free:13787 free_pcp:89 free_cma:0 [ 1093.349245] Node 0 active_anon:549960kB inactive_anon:1924kB active_file:696kB inactive_file:976kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1093.394493] Node 1 active_anon:72984kB inactive_anon:8kB active_file:24kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1093.445776] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:32kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1093.486869] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1093.491999] Node 0 DMA32 free:18276kB min:36380kB low:45472kB high:54564kB active_anon:549912kB inactive_anon:1924kB active_file:848kB inactive_file:696kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9184kB pagetables:15064kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1093.538119] lowmem_reserve[]: 0 0 0 0 0 [ 1093.542253] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1093.589331] lowmem_reserve[]: 0 0 0 0 0 [ 1093.596045] Node 1 Normal free:26660kB min:53508kB low:66884kB high:80260kB active_anon:72984kB inactive_anon:8kB active_file:16kB inactive_file:40kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3328kB pagetables:1836kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1093.637330] lowmem_reserve[]: 0 0 0 0 0 [ 1093.641764] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1093.659680] Node 0 DMA32: 2602*4kB (UME) 797*8kB (UME) 42*16kB (UM) 9*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18192kB [ 1093.674105] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1093.716230] Node 1 Normal: 366*4kB (ME) 183*8kB (UME) 153*16kB (M) 193*32kB (UME) 106*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26656kB [ 1093.746764] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1093.755717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1093.768829] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1093.793102] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1093.801752] 961 total pagecache pages [ 1093.805560] 0 pages in swap cache [ 1093.809009] Swap cache stats: add 0, delete 0, find 0/0 [ 1093.837853] Free swap = 0kB [ 1093.841044] Total swap = 0kB [ 1093.844063] 1965979 pages RAM [ 1093.847160] 0 pages HighMem/MovableOnly [ 1093.856785] 335869 pages reserved [ 1093.860694] 0 pages cma reserved [ 1093.864063] Out of memory: Kill process 1967 (syz-executor.0) score 1005 or sacrifice child [ 1093.878131] Killed process 1967 (syz-executor.0) total-vm:72720kB, anon-rss:172kB, file-rss:34816kB, shmem-rss:0kB [ 1093.919226] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1093.964024] rsyslogd cpuset=/ mems_allowed=0-1 [ 1093.968702] CPU: 1 PID: 7104 Comm: rsyslogd Not tainted 4.14.167-syzkaller #0 [ 1093.976002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1093.985366] Call Trace: [ 1093.987964] dump_stack+0x142/0x197 [ 1093.991603] dump_header+0x177/0x6cd [ 1093.995338] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1094.000442] ? ___ratelimit+0x55/0x537 [ 1094.004354] oom_kill_process.cold+0x10/0xadd [ 1094.008849] ? oom_unkillable_task+0x294/0x390 [ 1094.013438] ? lock_downgrade+0x740/0x740 [ 1094.017596] out_of_memory+0x2ee/0x1180 [ 1094.021678] ? lock_acquire+0x16f/0x430 [ 1094.025664] ? oom_killer_disable+0x1d0/0x1d0 [ 1094.030158] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1094.035096] __alloc_pages_slowpath+0x2251/0x2930 [ 1094.039951] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1094.044799] ? warn_alloc+0xf0/0xf0 [ 1094.048547] ? __might_sleep+0x93/0xb0 [ 1094.052444] __alloc_pages_nodemask+0x62c/0x7a0 [ 1094.057117] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1094.062134] ? lock_downgrade+0x740/0x740 [ 1094.066297] alloc_pages_current+0xec/0x1e0 [ 1094.070623] __page_cache_alloc+0x248/0x3e0 [ 1094.074956] filemap_fault+0xcef/0x1de0 [ 1094.078955] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1094.083895] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1094.088577] ? lock_acquire+0x16f/0x430 [ 1094.092597] ? ext4_filemap_fault+0x7b/0xb0 [ 1094.096937] ext4_filemap_fault+0x83/0xb0 [ 1094.101090] __do_fault+0x104/0x390 [ 1094.104720] __handle_mm_fault+0x23bd/0x33d0 [ 1094.109141] ? copy_page_range+0x1de0/0x1de0 [ 1094.113555] ? find_held_lock+0x35/0x130 [ 1094.117618] ? handle_mm_fault+0x1b6/0x7c0 [ 1094.121875] handle_mm_fault+0x293/0x7c0 [ 1094.125948] __do_page_fault+0x4c1/0xb80 [ 1094.130013] ? vmalloc_fault+0xe30/0xe30 [ 1094.134079] ? page_fault+0x2f/0x50 [ 1094.137708] do_page_fault+0x71/0x511 [ 1094.141520] ? page_fault+0x2f/0x50 [ 1094.145151] page_fault+0x45/0x50 [ 1094.148600] RIP: 0033:0x7f3214100209 [ 1094.152300] RSP: 002b:00007f321169fe30 EFLAGS: 00010297 [ 1094.157759] RAX: 0000000000000000 RBX: 0000000001dce670 RCX: 00007f32141001fd [ 1094.165039] RDX: 0000000000000b34 RSI: 00007f3212ed45a0 RDI: 0000000000000000 [ 1094.172432] RBP: 0000000000000000 R08: 0000000001db9260 R09: 0000000000000000 [ 1094.179812] R10: 6b36313834333a73 R11: 0000000000000000 R12: 000000000065e420 [ 1094.187087] R13: 00007f32116a09c0 R14: 00007f3214745040 R15: 0000000000000003 [ 1094.214122] Mem-Info: [ 1094.216561] active_anon:155701 inactive_anon:483 isolated_anon:0 [ 1094.216561] active_file:229 inactive_file:208 isolated_file:0 [ 1094.216561] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1094.216561] slab_reclaimable:14690 slab_unreclaimable:116590 [ 1094.216561] mapped:52290 shmem:537 pagetables:4199 bounce:0 [ 1094.216561] free:13827 free_pcp:60 free_cma:0 [ 1094.255511] Node 0 active_anon:549828kB inactive_anon:1924kB active_file:892kB inactive_file:764kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1094.291796] Node 1 active_anon:72976kB inactive_anon:8kB active_file:36kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1094.345658] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1094.391363] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1094.396446] Node 0 DMA32 free:18064kB min:36380kB low:45472kB high:54564kB active_anon:549780kB inactive_anon:1924kB active_file:916kB inactive_file:712kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9184kB pagetables:14960kB bounce:0kB free_pcp:228kB local_pcp:0kB free_cma:0kB [ 1094.433688] lowmem_reserve[]: 0 0 0 0 0 [ 1094.437803] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1094.481563] lowmem_reserve[]: 0 0 0 0 0 [ 1094.485605] Node 1 Normal free:26748kB min:53508kB low:66884kB high:80260kB active_anon:72976kB inactive_anon:8kB active_file:24kB inactive_file:56kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3328kB pagetables:1836kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1094.524306] lowmem_reserve[]: 0 0 0 0 0 [ 1094.528334] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1094.556002] Node 0 DMA32: 2608*4kB (ME) 791*8kB (ME) 41*16kB (UM) 9*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18152kB [ 1094.569955] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1094.588073] Node 1 Normal: 362*4kB (UME) 182*8kB (UME) 156*16kB (UM) 195*32kB (UME) 106*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26744kB [ 1094.623898] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1094.632827] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1094.647182] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1094.656151] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1094.671782] 968 total pagecache pages [ 1094.675628] 0 pages in swap cache [ 1094.679081] Swap cache stats: add 0, delete 0, find 0/0 [ 1094.684521] Free swap = 0kB [ 1094.687521] Total swap = 0kB [ 1094.696551] 1965979 pages RAM [ 1094.699691] 0 pages HighMem/MovableOnly [ 1094.704534] 335869 pages reserved [ 1094.707992] 0 pages cma reserved [ 1094.711538] Out of memory: Kill process 2215 (syz-executor.0) score 1005 or sacrifice child [ 1094.726396] Killed process 2215 (syz-executor.0) total-vm:72720kB, anon-rss:172kB, file-rss:34816kB, shmem-rss:0kB [ 1094.774737] kworker/u4:6 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1094.793821] kworker/u4:6 cpuset=/ mems_allowed=0-1 [ 1094.798827] CPU: 0 PID: 8805 Comm: kworker/u4:6 Not tainted 4.14.167-syzkaller #0 [ 1094.806446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1094.815807] Workqueue: netns cleanup_net [ 1094.819850] Call Trace: [ 1094.822530] dump_stack+0x142/0x197 [ 1094.826148] dump_header+0x177/0x6cd [ 1094.829851] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1094.834936] ? ___ratelimit+0x55/0x537 [ 1094.838819] oom_kill_process.cold+0x10/0xadd [ 1094.843298] ? oom_unkillable_task+0x294/0x390 [ 1094.847868] ? lock_downgrade+0x740/0x740 [ 1094.852015] out_of_memory+0x2ee/0x1180 [ 1094.856077] ? lock_acquire+0x16f/0x430 [ 1094.860075] ? oom_killer_disable+0x1d0/0x1d0 [ 1094.864559] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1094.869480] __alloc_pages_slowpath+0x2251/0x2930 [ 1094.874330] ? warn_alloc+0xf0/0xf0 [ 1094.877948] ? __might_sleep+0x93/0xb0 [ 1094.881959] __alloc_pages_nodemask+0x62c/0x7a0 [ 1094.886644] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1094.891649] ? cache_grow_begin+0x335/0x400 [ 1094.895959] cache_grow_begin+0x80/0x400 [ 1094.900029] ? __cpuset_node_allowed+0xff/0x450 [ 1094.904759] fallback_alloc+0x1fd/0x2c0 [ 1094.908730] ____cache_alloc_node+0x1be/0x1d0 [ 1094.913211] kmem_cache_alloc_node+0xe3/0x780 [ 1094.917696] __alloc_skb+0x9c/0x500 [ 1094.921314] ? skb_trim+0x180/0x180 [ 1094.925002] ? if_nlmsg_size+0x38f/0x810 [ 1094.929051] rtmsg_ifinfo_build_skb+0x72/0x140 [ 1094.933619] rollback_registered_many+0x78f/0xb60 [ 1094.938493] ? netdev_info+0xf0/0xf0 [ 1094.942241] ? save_trace+0x290/0x290 [ 1094.946041] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1094.950967] unregister_netdevice_many.part.0+0x1b/0x1e0 [ 1094.956402] unregister_netdevice_many+0x3b/0x50 [ 1094.961188] ip_tunnel_delete_net+0x273/0x330 [ 1094.965681] ? __ip_tunnel_create+0x450/0x450 [ 1094.970182] ipip_exit_net+0x11b/0x1f0 [ 1094.974052] ? ipip_rcv+0x20/0x20 [ 1094.977487] ops_exit_list.isra.0+0xaa/0x150 [ 1094.981893] cleanup_net+0x3ba/0x870 [ 1094.985649] ? net_drop_ns+0x80/0x80 [ 1094.989348] ? __lock_is_held+0xb6/0x140 [ 1094.993434] ? check_preemption_disabled+0x3c/0x250 [ 1094.998468] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1095.003913] process_one_work+0x863/0x1600 [ 1095.008163] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1095.012835] worker_thread+0x5d9/0x1050 [ 1095.016807] kthread+0x319/0x430 [ 1095.020171] ? process_one_work+0x1600/0x1600 [ 1095.024647] ? kthread_create_on_node+0xd0/0xd0 [ 1095.029314] ret_from_fork+0x24/0x30 [ 1095.058793] Mem-Info: [ 1095.067222] active_anon:155663 inactive_anon:483 isolated_anon:0 [ 1095.067222] active_file:231 inactive_file:196 isolated_file:0 [ 1095.067222] unevictable:0 dirty:397 writeback:1 unstable:0 [ 1095.067222] slab_reclaimable:14690 slab_unreclaimable:116596 [ 1095.067222] mapped:52290 shmem:537 pagetables:4173 bounce:0 [ 1095.067222] free:13794 free_pcp:60 free_cma:0 [ 1095.107348] Node 0 active_anon:549688kB inactive_anon:1924kB active_file:892kB inactive_file:724kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:4kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1095.155391] Node 1 active_anon:72964kB inactive_anon:8kB active_file:36kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1095.219108] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1095.245858] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1095.251436] Node 0 DMA32 free:18056kB min:36380kB low:45472kB high:54564kB active_anon:549640kB inactive_anon:1924kB active_file:868kB inactive_file:588kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9184kB pagetables:14856kB bounce:0kB free_pcp:204kB local_pcp:120kB free_cma:0kB [ 1095.288253] lowmem_reserve[]: 0 0 0 0 0 [ 1095.292334] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1095.348328] lowmem_reserve[]: 0 0 0 0 0 [ 1095.354293] Node 1 Normal free:26724kB min:53508kB low:66884kB high:80260kB active_anon:72964kB inactive_anon:8kB active_file:36kB inactive_file:44kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3328kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1095.395675] lowmem_reserve[]: 0 0 0 0 0 [ 1095.400642] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1095.418499] Node 0 DMA32: 2612*4kB (UME) 795*8kB (UME) 38*16kB (UM) 9*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18152kB [ 1095.432670] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1095.444568] Node 1 Normal: 362*4kB (UME) 182*8kB (UME) 156*16kB (UM) 195*32kB (UME) 106*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26744kB [ 1095.488900] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1095.497803] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1095.506489] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1095.515386] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1095.526468] 968 total pagecache pages [ 1095.531118] 0 pages in swap cache [ 1095.534597] Swap cache stats: add 0, delete 0, find 0/0 [ 1095.539956] Free swap = 0kB [ 1095.544753] Total swap = 0kB [ 1095.548075] 1965979 pages RAM [ 1095.551278] 0 pages HighMem/MovableOnly [ 1095.555244] 335869 pages reserved [ 1095.558685] 0 pages cma reserved [ 1095.563501] Out of memory: Kill process 2560 (syz-executor.4) score 1005 or sacrifice child [ 1095.580675] Killed process 2560 (syz-executor.4) total-vm:72720kB, anon-rss:172kB, file-rss:34816kB, shmem-rss:0kB [ 1095.630173] syz-executor.4: page allocation failure: order:0, mode:0x1404050(GFP_NOFS|__GFP_COMP|__GFP_RECLAIMABLE), nodemask=(null) [ 1095.667336] syz-executor.4 cpuset=syz4 mems_allowed=0-1 [ 1095.674204] CPU: 0 PID: 30169 Comm: syz-executor.4 Not tainted 4.14.167-syzkaller #0 [ 1095.679448] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask= [ 1095.682101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1095.682123] Call Trace: [ 1095.682139] dump_stack+0x142/0x197 [ 1095.682154] warn_alloc.cold+0x96/0x1af [ 1095.682162] ? zone_watermark_ok_safe+0x2b0/0x2b0 [ 1095.682174] ? trace_hardirqs_on_caller+0x400/0x590 [ 1095.682183] ? call_timer_fn+0x670/0x670 [ 1095.682203] __alloc_pages_slowpath+0x23c6/0x2930 [ 1095.682225] ? warn_alloc+0xf0/0xf0 [ 1095.682247] ? __might_sleep+0x93/0xb0 [ 1095.682258] __alloc_pages_nodemask+0x62c/0x7a0 [ 1095.719663] (null) [ 1095.721651] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1095.721665] ? cache_grow_begin+0x335/0x400 [ 1095.721677] cache_grow_begin+0x80/0x400 [ 1095.721686] ? __cpuset_node_allowed+0xff/0x450 [ 1095.721695] fallback_alloc+0x1fd/0x2c0 [ 1095.721709] ____cache_alloc_node+0x1be/0x1d0 [ 1095.721720] kmem_cache_alloc+0x1f3/0x780 [ 1095.721729] ? add_to_page_cache_lru+0x159/0x310 [ 1095.721817] alloc_buffer_head+0x24/0xe0 [ 1095.721827] alloc_page_buffers+0xb7/0x200 [ 1095.755139] , order=0, oom_score_adj=0 [ 1095.758371] __getblk_gfp+0x334/0x7b0 [ 1095.778146] syz-executor.2 cpuset= [ 1095.780475] ? is_bpf_text_address+0x7f/0x120 [ 1095.780500] __ext4_get_inode_loc+0x332/0xf30 [ 1095.809095] ext4_reserve_inode_write+0xde/0x240 [ 1095.813864] ext4_mark_inode_dirty+0x142/0x860 [ 1095.818460] ? ext4_evict_inode+0x87a/0x15d0 [ 1095.822877] ? ext4_expand_extra_isize+0x4b0/0x4b0 [ 1095.827903] ? ext4_journal_check_start+0x148/0x1e0 [ 1095.833034] ? __ext4_journal_start_sb+0x105/0x450 [ 1095.837984] ? ext4_evict_inode+0x738/0x15d0 [ 1095.842398] ext4_evict_inode+0x87a/0x15d0 [ 1095.846644] ? ext4_da_write_begin+0xea0/0xea0 [ 1095.848565] syz2 [ 1095.851242] ? _raw_spin_unlock+0x2d/0x50 [ 1095.857350] ? ext4_da_write_begin+0xea0/0xea0 [ 1095.861942] evict+0x2e6/0x630 [ 1095.865139] ? do_raw_spin_unlock+0x174/0x260 [ 1095.869637] iput+0x471/0x900 [ 1095.872750] ? ext4_nfs_commit_metadata+0x2f0/0x2f0 [ 1095.877780] dentry_unlink_inode+0x286/0x340 [ 1095.879007] mems_allowed=0-1 [ 1095.882186] __dentry_kill+0x32e/0x580 [ 1095.882193] ? dput.part.0+0x2a/0x750 [ 1095.882201] ? dput.part.0+0x2a/0x750 [ 1095.882207] dput.part.0+0x4e3/0x750 [ 1095.882217] dput+0x20/0x30 [ 1095.882225] path_put+0x31/0x70 [ 1095.882234] free_fs_struct+0x25/0x70 [ 1095.882240] exit_fs+0xe7/0x120 [ 1095.882252] do_exit+0x9f4/0x2cd0 [ 1095.882263] ? get_signal+0x319/0x1cd0 [ 1095.882274] ? mm_update_next_owner+0x5d0/0x5d0 [ 1095.882291] do_group_exit+0x111/0x330 [ 1095.929744] get_signal+0x381/0x1cd0 [ 1095.933458] ? trace_hardirqs_on+0x10/0x10 [ 1095.937694] ? save_trace+0x290/0x290 [ 1095.941514] do_signal+0x86/0x19a0 [ 1095.945075] ? setup_sigcontext+0x7d0/0x7d0 [ 1095.949401] ? check_preemption_disabled+0x3c/0x250 [ 1095.954432] ? check_preemption_disabled+0x3c/0x250 [ 1095.959460] ? debug_smp_processor_id+0x1c/0x20 [ 1095.964142] ? perf_trace_sys_exit+0x294/0x400 [ 1095.968815] ? check_preemption_disabled+0x3c/0x250 [ 1095.973850] ? exit_to_usermode_loop+0x3d/0x220 [ 1095.978532] exit_to_usermode_loop+0x15c/0x220 [ 1095.983125] do_syscall_64+0x4bc/0x640 [ 1095.987014] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1095.991866] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1095.997053] RIP: 0033:0x45b349 [ 1096.000230] RSP: 002b:00007f9a7c7a4cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1096.007961] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 000000000045b349 [ 1096.015230] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 1096.022507] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1096.029776] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 1096.037136] R13: 00007ffe09926a5f R14: 00007f9a7c7a59c0 R15: 000000000075bf2c [ 1096.068262] CPU: 1 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1096.074251] Mem-Info: [ 1096.076201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1096.076209] Call Trace: [ 1096.078731] active_anon:155638 inactive_anon:483 isolated_anon:0 [ 1096.078731] active_file:211 inactive_file:220 isolated_file:0 [ 1096.078731] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1096.078731] slab_reclaimable:14690 slab_unreclaimable:116599 [ 1096.078731] mapped:52290 shmem:537 pagetables:4136 bounce:0 [ 1096.078731] free:13808 free_pcp:30 free_cma:0 [ 1096.088082] dump_stack+0x142/0x197 [ 1096.088096] dump_header+0x177/0x6cd [ 1096.088105] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1096.088114] ? ___ratelimit+0x55/0x537 [ 1096.088125] oom_kill_process.cold+0x10/0xadd [ 1096.090752] Node 0 active_anon:549588kB inactive_anon:1924kB active_file:776kB inactive_file:868kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1096.124036] ? oom_unkillable_task+0x294/0x390 [ 1096.124051] ? lock_downgrade+0x740/0x740 [ 1096.124064] out_of_memory+0x2ee/0x1180 [ 1096.124071] ? lock_acquire+0x16f/0x430 [ 1096.124084] ? oom_killer_disable+0x1d0/0x1d0 [ 1096.127715] Node 1 active_anon:72964kB inactive_anon:8kB active_file:68kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1096.131417] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1096.131428] __alloc_pages_slowpath+0x2251/0x2930 [ 1096.131445] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1096.131458] ? warn_alloc+0xf0/0xf0 [ 1096.136536] Node 0 [ 1096.140432] ? __might_sleep+0x93/0xb0 [ 1096.140446] __alloc_pages_nodemask+0x62c/0x7a0 [ 1096.140459] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1096.144943] DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1096.172952] ? lock_downgrade+0x740/0x740 [ 1096.172971] alloc_pages_current+0xec/0x1e0 [ 1096.172983] __page_cache_alloc+0x248/0x3e0 [ 1096.172995] filemap_fault+0xcef/0x1de0 [ 1096.177565] lowmem_reserve[]: [ 1096.181713] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1096.181734] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1096.181743] ? lock_acquire+0x16f/0x430 [ 1096.181754] ? ext4_filemap_fault+0x7b/0xb0 [ 1096.185721] 0 [ 1096.189695] ext4_filemap_fault+0x83/0xb0 [ 1096.194207] 2569 [ 1096.220469] __do_fault+0x104/0x390 [ 1096.220481] __handle_mm_fault+0x23bd/0x33d0 [ 1096.220493] ? copy_page_range+0x1de0/0x1de0 [ 1096.220502] ? find_held_lock+0x35/0x130 [ 1096.220512] ? handle_mm_fault+0x1b6/0x7c0 [ 1096.225435] 2569 2569 [ 1096.230295] handle_mm_fault+0x293/0x7c0 [ 1096.230308] __do_page_fault+0x4c1/0xb80 [ 1096.230319] ? vmalloc_fault+0xe30/0xe30 [ 1096.230330] ? page_fault+0x2f/0x50 [ 1096.235147] 2569 [ 1096.238877] do_page_fault+0x71/0x511 [ 1096.244990] ? page_fault+0x2f/0x50 [ 1096.249636] Node 0 [ 1096.254660] page_fault+0x45/0x50 [ 1096.254668] RIP: 0033:0x41518a [ 1096.254672] RSP: 002b:00007fffe00b9d98 EFLAGS: 00010246 [ 1096.254679] RAX: 000000000000020d RBX: 0000000000000000 RCX: 000000000041518a [ 1096.254684] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1096.254688] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1096.254693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1096.254697] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1096.468586] DMA32 free:17976kB min:36380kB low:45472kB high:54564kB active_anon:549492kB inactive_anon:1924kB active_file:888kB inactive_file:740kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9184kB pagetables:14752kB bounce:0kB free_pcp:120kB local_pcp:108kB free_cma:0kB [ 1096.519518] lowmem_reserve[]: 0 0 0 0 0 [ 1096.523825] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1096.535854] Mem-Info: [ 1096.584869] active_anon:155625 inactive_anon:483 isolated_anon:0 [ 1096.584869] active_file:241 inactive_file:160 isolated_file:0 [ 1096.584869] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1096.584869] slab_reclaimable:14690 slab_unreclaimable:116604 [ 1096.584869] mapped:52290 shmem:537 pagetables:4147 bounce:0 [ 1096.584869] free:13777 free_pcp:48 free_cma:0 [ 1096.590734] lowmem_reserve[]: 0 0 0 0 0 [ 1096.653342] Node 0 active_anon:549540kB inactive_anon:1924kB active_file:660kB inactive_file:828kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1096.654933] Node 1 Normal free:26748kB min:53508kB low:66884kB high:80260kB active_anon:72960kB inactive_anon:8kB active_file:24kB inactive_file:44kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3328kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1096.719235] Node 1 active_anon:72960kB inactive_anon:8kB active_file:24kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1096.763536] lowmem_reserve[]: 0 0 0 0 0 [ 1096.767709] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1096.793008] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:12kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1096.810053] Node 0 DMA32: 2616*4kB (UME) 803*8kB (UME) 38*16kB (UM) 8*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18200kB [ 1096.877187] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1096.879632] Node 0 [ 1096.887876] Node 0 DMA32 free:18056kB min:36380kB low:45472kB high:54564kB active_anon:549492kB inactive_anon:1924kB active_file:832kB inactive_file:708kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9184kB pagetables:14752kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1096.914839] Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1096.968192] lowmem_reserve[]: [ 1097.004792] Node 1 Normal: 363*4kB (UME) 182*8kB (UME) 156*16kB (UM) 195*32kB (UME) 106*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26748kB [ 1097.036632] 0 0 0 0 0 [ 1097.039185] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1097.045533] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1097.087880] lowmem_reserve[]: 0 0 0 0 0 [ 1097.096666] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1097.117307] Node 1 Normal free:26748kB min:53508kB low:66884kB high:80260kB active_anon:72960kB inactive_anon:8kB active_file:124kB inactive_file:44kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3328kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1097.136789] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1097.171379] syz-executor.0: page allocation failure: order:0, mode:0x1404040(GFP_NOFS|__GFP_COMP), nodemask=(null) [ 1097.189066] lowmem_reserve[]: 0 0 0 0 0 [ 1097.189574] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1097.209898] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1097.233075] 968 total pagecache pages [ 1097.238234] 0 pages in swap cache [ 1097.264690] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1097.271792] CPU: 1 PID: 2215 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1097.272910] Swap cache stats: add 0, delete 0, find 0/0 [ 1097.279612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1097.279619] Call Trace: [ 1097.290973] Free swap = 0kB [ 1097.294351] dump_stack+0x142/0x197 [ 1097.296907] Total swap = 0kB [ 1097.299923] warn_alloc.cold+0x96/0x1af [ 1097.303594] 1965979 pages RAM [ 1097.306550] ? zone_watermark_ok_safe+0x2b0/0x2b0 [ 1097.310539] 0 pages HighMem/MovableOnly [ 1097.313618] ? trace_hardirqs_on_caller+0x400/0x590 [ 1097.318479] 335869 pages reserved [ 1097.318483] 0 pages cma reserved [ 1097.334295] __alloc_pages_slowpath+0x23c6/0x2930 [ 1097.339158] ? warn_alloc+0xf0/0xf0 [ 1097.342797] ? __might_sleep+0x93/0xb0 [ 1097.346693] __alloc_pages_nodemask+0x62c/0x7a0 [ 1097.346696] Node 0 DMA32: [ 1097.351377] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1097.351391] ? cache_grow_begin+0x335/0x400 [ 1097.351403] cache_grow_begin+0x80/0x400 [ 1097.351411] ? __cpuset_node_allowed+0xff/0x450 [ 1097.351421] fallback_alloc+0x1fd/0x2c0 [ 1097.354252] 2615*4kB [ 1097.359339] ____cache_alloc_node+0x1be/0x1d0 [ 1097.363673] (UME) [ 1097.367708] __kmalloc+0x21a/0x7a0 [ 1097.372394] 803*8kB [ 1097.376334] ? ext4_ext_remove_space+0x17c5/0x3b10 [ 1097.378728] (UME) 38*16kB [ 1097.383242] ext4_ext_remove_space+0x17c5/0x3b10 [ 1097.383255] ? save_trace+0x290/0x290 [ 1097.383267] ? ext4_es_remove_extent+0x9f/0x330 [ 1097.383277] ? find_held_lock+0x35/0x130 [ 1097.385417] (UM) [ 1097.388949] ? ext4_ext_index_trans_blocks+0x130/0x130 [ 1097.391266] 8*32kB [ 1097.396208] ? lock_downgrade+0x740/0x740 [ 1097.399036] (U) [ 1097.403801] ? _raw_write_unlock+0x2d/0x50 [ 1097.403813] ? ext4_es_remove_extent+0xa4/0x330 [ 1097.403823] ext4_ext_truncate+0x19e/0x1f0 [ 1097.403838] ext4_truncate+0xbab/0x11f0 [ 1097.407698] 5*64kB [ 1097.412380] ? ext4_punch_hole+0x1100/0x1100 [ 1097.412390] ? __ext4_journal_start_sb+0x105/0x450 [ 1097.412396] ? ext4_evict_inode+0x738/0x15d0 [ 1097.412406] ext4_evict_inode+0x8c1/0x15d0 [ 1097.412419] ? ext4_da_write_begin+0xea0/0xea0 [ 1097.416463] (U) [ 1097.418526] ? _raw_spin_unlock+0x2d/0x50 [ 1097.423832] 1*128kB [ 1097.426024] ? ext4_da_write_begin+0xea0/0xea0 [ 1097.426039] evict+0x2e6/0x630 [ 1097.430209] (U) [ 1097.432132] ? do_raw_spin_unlock+0x174/0x260 [ 1097.432143] iput+0x471/0x900 [ 1097.436382] 0*256kB 0*512kB [ 1097.441074] ? ext4_nfs_commit_metadata+0x2f0/0x2f0 [ 1097.441087] dentry_unlink_inode+0x286/0x340 [ 1097.441096] __dentry_kill+0x32e/0x580 [ 1097.441102] ? dput.part.0+0x2a/0x750 [ 1097.441110] ? dput.part.0+0x2a/0x750 [ 1097.441119] dput.part.0+0x4e3/0x750 [ 1097.445342] 0*1024kB 0*2048kB [ 1097.449336] dput+0x20/0x30 [ 1097.451603] 0*4096kB [ 1097.455970] path_put+0x31/0x70 [ 1097.460954] = 18196kB [ 1097.465354] free_fs_struct+0x25/0x70 [ 1097.469701] Node 0 [ 1097.474296] exit_fs+0xe7/0x120 [ 1097.474311] do_exit+0x9f4/0x2cd0 [ 1097.474322] ? get_signal+0x319/0x1cd0 [ 1097.474335] ? mm_update_next_owner+0x5d0/0x5d0 [ 1097.474355] do_group_exit+0x111/0x330 [ 1097.476310] Normal: [ 1097.480451] get_signal+0x381/0x1cd0 [ 1097.480461] ? trace_hardirqs_on+0x10/0x10 [ 1097.480476] ? save_trace+0x290/0x290 [ 1097.482803] 0*4kB [ 1097.487397] do_signal+0x86/0x19a0 [ 1097.490605] 0*8kB [ 1097.492529] ? setup_sigcontext+0x7d0/0x7d0 [ 1097.497027] 0*16kB [ 1097.500137] ? check_preemption_disabled+0x3c/0x250 [ 1097.500147] ? check_preemption_disabled+0x3c/0x250 [ 1097.500157] ? debug_smp_processor_id+0x1c/0x20 [ 1097.500170] ? perf_trace_sys_exit+0x294/0x400 [ 1097.500179] ? check_preemption_disabled+0x3c/0x250 [ 1097.503186] 0*32kB [ 1097.508215] ? exit_to_usermode_loop+0x3d/0x220 [ 1097.512646] 0*64kB [ 1097.516480] exit_to_usermode_loop+0x15c/0x220 [ 1097.520299] 0*128kB [ 1097.524071] do_syscall_64+0x4bc/0x640 [ 1097.527755] 0*256kB 0*512kB [ 1097.530961] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1097.530978] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1097.530985] RIP: 0033:0x45b349 [ 1097.530990] RSP: 002b:00007f328d4eccf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1097.531000] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 000000000045b349 [ 1097.533916] 0*1024kB 0*2048kB [ 1097.536339] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 1097.539593] 0*4096kB [ 1097.541997] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1097.542002] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 1097.542006] R13: 00007ffd56835b6f R14: 00007f328d4ed9c0 R15: 000000000075bf2c [ 1097.554700] Mem-Info: [ 1097.720691] active_anon:155625 inactive_anon:483 isolated_anon:0 [ 1097.720691] active_file:186 inactive_file:198 isolated_file:32 [ 1097.720691] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1097.720691] slab_reclaimable:14690 slab_unreclaimable:116604 [ 1097.720691] mapped:52290 shmem:537 pagetables:4147 bounce:0 [ 1097.720691] free:13796 free_pcp:20 free_cma:0 [ 1097.742468] = 0kB [ 1097.767012] Node 0 active_anon:549540kB inactive_anon:1924kB active_file:768kB inactive_file:780kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1097.798726] Node 1 Normal: 363*4kB (UME) 182*8kB (UME) 156*16kB (UM) 195*32kB (UME) 106*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26748kB [ 1097.806370] Node 1 active_anon:72960kB inactive_anon:8kB active_file:0kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1097.866352] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:52kB inactive_file:12kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1097.894906] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1097.936460] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1097.945170] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1097.987726] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1098.017319] 968 total pagecache pages [ 1098.026209] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1098.028894] 0 pages in swap cache [ 1098.056529] Node 0 DMA32 free:18052kB min:36380kB low:45472kB high:54564kB active_anon:549492kB inactive_anon:1924kB active_file:788kB inactive_file:712kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9184kB pagetables:14752kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1098.066572] Swap cache stats: add 0, delete 0, find 0/0 [ 1098.122750] lowmem_reserve[]: 0 0 0 0 0 [ 1098.126948] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1098.132035] Free swap = 0kB [ 1098.187289] Total swap = 0kB [ 1098.217480] 1965979 pages RAM [ 1098.218821] lowmem_reserve[]: 0 0 0 0 0 [ 1098.224902] Node 1 Normal free:26748kB min:53508kB low:66884kB high:80260kB active_anon:72960kB inactive_anon:8kB active_file:40kB inactive_file:40kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3328kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1098.226645] 0 pages HighMem/MovableOnly [ 1098.269977] lowmem_reserve[]: 0 0 0 0 0 [ 1098.280005] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1098.302851] 335869 pages reserved [ 1098.308705] 0 pages cma reserved [ 1098.349441] Node 0 DMA32: 2613*4kB (UME) 796*8kB (UME) 38*16kB (UM) 8*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18132kB [ 1098.357839] Out of memory: Kill process 4214 (syz-executor.0) score 1005 or sacrifice child [ 1098.399396] Killed process 4214 (syz-executor.0) total-vm:72588kB, anon-rss:172kB, file-rss:34816kB, shmem-rss:0kB [ 1098.406889] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1098.437629] Node 1 Normal: 363*4kB (UME) 182*8kB (UME) 156*16kB (UM) 195*32kB (UME) 106*64kB (UM) 35*128kB (M) 7*256kB (UM) 2*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 26748kB [ 1098.489679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1098.521385] oom_reaper: reaped process 4214 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1098.528990] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1098.539956] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1098.587733] syz-executor.0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1098.598788] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1098.626545] 968 total pagecache pages [ 1098.631499] 0 pages in swap cache [ 1098.649287] Swap cache stats: add 0, delete 0, find 0/0 [ 1098.678660] Free swap = 0kB [ 1098.705134] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1098.713519] Total swap = 0kB [ 1098.716575] 1965979 pages RAM [ 1098.731882] CPU: 0 PID: 11876 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1098.739779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1098.740090] 0 pages HighMem/MovableOnly [ 1098.749129] Call Trace: [ 1098.749148] dump_stack+0x142/0x197 [ 1098.759286] dump_header+0x177/0x6cd [ 1098.763007] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1098.768123] ? ___ratelimit+0x55/0x537 [ 1098.769561] 335869 pages reserved [ 1098.772015] oom_kill_process.cold+0x10/0xadd [ 1098.772024] ? oom_unkillable_task+0x294/0x390 [ 1098.772037] ? lock_downgrade+0x740/0x740 [ 1098.772050] out_of_memory+0x2ee/0x1180 [ 1098.772058] ? lock_acquire+0x16f/0x430 [ 1098.772072] ? oom_killer_disable+0x1d0/0x1d0 [ 1098.772081] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1098.772092] __alloc_pages_slowpath+0x2251/0x2930 [ 1098.786839] 0 pages cma reserved [ 1098.788880] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1098.798307] EXT4-fs error (device sda1): ext4_evict_inode:299: comm syz-executor.0: couldn't truncate inode 16624 (err -12) [ 1098.801385] ? warn_alloc+0xf0/0xf0 [ 1098.801405] ? __might_sleep+0x93/0xb0 [ 1098.801416] __alloc_pages_nodemask+0x62c/0x7a0 [ 1098.801427] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1098.801442] ? lock_downgrade+0x740/0x740 [ 1098.801461] alloc_pages_current+0xec/0x1e0 [ 1098.801472] __page_cache_alloc+0x248/0x3e0 [ 1098.801484] filemap_fault+0xcef/0x1de0 [ 1098.801493] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1098.869640] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1098.874321] ? lock_acquire+0x16f/0x430 [ 1098.878297] ? ext4_filemap_fault+0x7b/0xb0 [ 1098.882631] ext4_filemap_fault+0x83/0xb0 [ 1098.886788] __do_fault+0x104/0x390 [ 1098.890416] __handle_mm_fault+0x23bd/0x33d0 [ 1098.894828] ? copy_page_range+0x1de0/0x1de0 [ 1098.899242] ? find_held_lock+0x35/0x130 [ 1098.903303] ? handle_mm_fault+0x1b6/0x7c0 [ 1098.907549] handle_mm_fault+0x293/0x7c0 [ 1098.911619] __do_page_fault+0x4c1/0xb80 [ 1098.915687] ? vmalloc_fault+0xe30/0xe30 [ 1098.919745] ? page_fault+0x2f/0x50 [ 1098.923380] do_page_fault+0x71/0x511 [ 1098.927181] ? page_fault+0x2f/0x50 [ 1098.930805] page_fault+0x45/0x50 [ 1098.934262] RIP: 0033:0x41518a [ 1098.937453] RSP: 002b:00007ffd56835d98 EFLAGS: 00010246 [ 1098.942817] RAX: 0000000000000071 RBX: 0000000000d18940 RCX: 000000000041518a [ 1098.950082] RDX: 0000000040000000 RSI: 00007ffd56835dd0 RDI: ffffffffffffffff [ 1098.957351] RBP: 0000000000000b79 R08: 0000000000000001 R09: 0000000000000001 [ 1098.964627] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 1098.971908] R13: 00007ffd56835dd0 R14: 0000000000d1899b R15: 00007ffd56835de0 [ 1099.035840] Mem-Info: [ 1099.038315] active_anon:155600 inactive_anon:483 isolated_anon:0 [ 1099.038315] active_file:249 inactive_file:208 isolated_file:0 [ 1099.038315] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1099.038315] slab_reclaimable:14690 slab_unreclaimable:116608 [ 1099.038315] mapped:52290 shmem:537 pagetables:4110 bounce:0 [ 1099.038315] free:13784 free_pcp:57 free_cma:0 [ 1099.077573] Node 0 active_anon:549440kB inactive_anon:1924kB active_file:876kB inactive_file:760kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1568kB writeback:4kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1099.178243] Node 1 active_anon:72960kB inactive_anon:8kB active_file:88kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1099.215652] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1099.277685] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1099.313258] Node 0 DMA32 free:18080kB min:36380kB low:45472kB high:54564kB active_anon:549376kB inactive_anon:1924kB active_file:872kB inactive_file:724kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9152kB pagetables:14648kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1099.350536] lowmem_reserve[]: 0 0 0 0 0 [ 1099.354574] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1099.392271] lowmem_reserve[]: 0 0 0 0 0 [ 1099.396333] Node 1 Normal free:26208kB min:53508kB low:66884kB high:80260kB active_anon:72960kB inactive_anon:8kB active_file:28kB inactive_file:64kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3200kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1099.438826] lowmem_reserve[]: 0 0 0 0 0 [ 1099.442925] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1099.464155] Node 0 DMA32: 2616*4kB (UME) 793*8kB (UME) 36*16kB (UM) 9*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18120kB [ 1099.478305] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1099.494362] Node 1 Normal: 358*4kB (ME) 182*8kB (UME) 152*16kB (M) 193*32kB (UME) 106*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26600kB [ 1099.521715] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1099.536200] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1099.558526] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1099.567858] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1099.583121] 967 total pagecache pages [ 1099.586943] 0 pages in swap cache [ 1099.590477] Swap cache stats: add 0, delete 0, find 0/0 [ 1099.595844] Free swap = 0kB [ 1099.598854] Total swap = 0kB [ 1099.607634] 1965979 pages RAM [ 1099.610822] 0 pages HighMem/MovableOnly [ 1099.614796] 335869 pages reserved [ 1099.618245] 0 pages cma reserved [ 1099.627139] Out of memory: Kill process 4228 (syz-executor.0) score 1005 or sacrifice child [ 1099.643254] Killed process 4228 (syz-executor.0) total-vm:72588kB, anon-rss:172kB, file-rss:34816kB, shmem-rss:0kB [ 1099.716968] oom_reaper: reaped process 4228 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1099.764599] cron invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1099.778212] cron cpuset=/ mems_allowed=0-1 [ 1099.797633] CPU: 0 PID: 7155 Comm: cron Not tainted 4.14.167-syzkaller #0 [ 1099.804654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1099.813997] Call Trace: [ 1099.816619] dump_stack+0x142/0x197 [ 1099.820256] ? uas_probe+0xf0/0x1320 [ 1099.823978] dump_header+0x177/0x6cd [ 1099.827689] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1099.832785] ? ___ratelimit+0x55/0x537 [ 1099.836726] oom_kill_process.cold+0x10/0xadd [ 1099.841236] ? oom_unkillable_task+0x294/0x390 [ 1099.845837] ? lock_downgrade+0x740/0x740 [ 1099.849992] out_of_memory+0x2ee/0x1180 [ 1099.853969] ? lock_acquire+0x16f/0x430 [ 1099.857942] ? oom_killer_disable+0x1d0/0x1d0 [ 1099.862430] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1099.867362] __alloc_pages_slowpath+0x2251/0x2930 [ 1099.872210] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1099.877061] ? warn_alloc+0xf0/0xf0 [ 1099.880703] ? __might_sleep+0x93/0xb0 [ 1099.884626] __alloc_pages_nodemask+0x62c/0x7a0 [ 1099.889416] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1099.894453] ? lock_downgrade+0x740/0x740 [ 1099.898608] alloc_pages_current+0xec/0x1e0 [ 1099.902924] __page_cache_alloc+0x248/0x3e0 [ 1099.907246] filemap_fault+0xcef/0x1de0 [ 1099.911223] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1099.916168] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1099.920848] ? lock_acquire+0x16f/0x430 [ 1099.924821] ? ext4_filemap_fault+0x7b/0xb0 [ 1099.929148] ext4_filemap_fault+0x83/0xb0 [ 1099.933294] __do_fault+0x104/0x390 [ 1099.936938] __handle_mm_fault+0x23bd/0x33d0 [ 1099.941363] ? copy_page_range+0x1de0/0x1de0 [ 1099.945787] ? find_held_lock+0x35/0x130 [ 1099.949848] ? handle_mm_fault+0x1b6/0x7c0 [ 1099.954097] handle_mm_fault+0x293/0x7c0 [ 1099.958157] __do_page_fault+0x4c1/0xb80 [ 1099.962224] ? vmalloc_fault+0xe30/0xe30 [ 1099.966287] ? page_fault+0x2f/0x50 [ 1099.969919] do_page_fault+0x71/0x511 [ 1099.973725] ? page_fault+0x2f/0x50 [ 1099.977355] page_fault+0x45/0x50 [ 1099.980813] RIP: 0033:0x40320a [ 1099.984000] RSP: 002b:00007fff5d3ac440 EFLAGS: 00010202 [ 1099.989367] RAX: 0000000000000000 RBX: 000000000191c708 RCX: 00007ffb9b99de40 [ 1099.996753] RDX: 0000000000000000 RSI: 00007fff5d3ac400 RDI: 00007fff5d3ac400 [ 1100.004016] RBP: 0000000000000000 R08: 00007fff5d3ac260 R09: 0000000000000000 [ 1100.011284] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000004033c4 [ 1100.018557] R13: 00007fff5d3ac560 R14: 0000000000000000 R15: 0000000000000000 [ 1100.036735] Mem-Info: [ 1100.039192] active_anon:155569 inactive_anon:483 isolated_anon:0 [ 1100.039192] active_file:232 inactive_file:200 isolated_file:32 [ 1100.039192] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1100.039192] slab_reclaimable:14691 slab_unreclaimable:116632 [ 1100.039192] mapped:52290 shmem:537 pagetables:4095 bounce:0 [ 1100.039192] free:13767 free_pcp:30 free_cma:0 [ 1100.089777] Node 0 active_anon:549308kB inactive_anon:1924kB active_file:792kB inactive_file:764kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1100.126609] Node 1 active_anon:72960kB inactive_anon:8kB active_file:44kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1100.168939] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:44kB inactive_file:16kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1100.208933] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1100.214202] Node 0 DMA32 free:18116kB min:36380kB low:45472kB high:54564kB active_anon:549260kB inactive_anon:1924kB active_file:748kB inactive_file:792kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9152kB pagetables:14544kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1100.254248] lowmem_reserve[]: 0 0 0 0 0 [ 1100.258275] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1100.301379] lowmem_reserve[]: 0 0 0 0 0 [ 1100.305413] Node 1 Normal free:26600kB min:53508kB low:66884kB high:80260kB active_anon:72960kB inactive_anon:8kB active_file:64kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3168kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1100.346474] lowmem_reserve[]: 0 0 0 0 0 [ 1100.351762] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1100.374702] Node 0 DMA32: 2628*4kB (UME) 796*8kB (UME) 35*16kB (M) 10*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18208kB [ 1100.401354] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1100.435380] Node 1 Normal: 359*4kB (ME) 182*8kB (UME) 152*16kB (M) 193*32kB (UME) 106*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26604kB [ 1100.456988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1100.492301] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1100.500960] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1100.509894] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1100.518516] 964 total pagecache pages [ 1100.526590] 0 pages in swap cache [ 1100.537006] Swap cache stats: add 0, delete 0, find 0/0 [ 1100.542484] Free swap = 0kB [ 1100.545504] Total swap = 0kB [ 1100.548502] 1965979 pages RAM [ 1100.559757] 0 pages HighMem/MovableOnly [ 1100.563964] 335869 pages reserved [ 1100.567413] 0 pages cma reserved [ 1100.570826] Out of memory: Kill process 4243 (syz-executor.0) score 1005 or sacrifice child [ 1100.579342] Killed process 4243 (syz-executor.0) total-vm:72588kB, anon-rss:172kB, file-rss:34816kB, shmem-rss:0kB [ 1100.672375] kworker/u4:6 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1100.685904] kworker/u4:6 cpuset=/ mems_allowed=0-1 [ 1100.691742] CPU: 0 PID: 8805 Comm: kworker/u4:6 Not tainted 4.14.167-syzkaller #0 [ 1100.699486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1100.708851] Workqueue: netns cleanup_net [ 1100.712922] Call Trace: [ 1100.715511] dump_stack+0x142/0x197 [ 1100.719266] dump_header+0x177/0x6cd [ 1100.722987] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1100.728095] ? ___ratelimit+0x55/0x537 [ 1100.731998] oom_kill_process.cold+0x10/0xadd [ 1100.736508] ? oom_unkillable_task+0x294/0x390 [ 1100.741115] ? lock_downgrade+0x740/0x740 [ 1100.745276] out_of_memory+0x2ee/0x1180 [ 1100.749251] ? lock_acquire+0x16f/0x430 [ 1100.753241] ? oom_killer_disable+0x1d0/0x1d0 [ 1100.757744] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1100.762682] __alloc_pages_slowpath+0x2251/0x2930 [ 1100.767546] ? warn_alloc+0xf0/0xf0 [ 1100.771185] ? __might_sleep+0x93/0xb0 [ 1100.775084] __alloc_pages_nodemask+0x62c/0x7a0 [ 1100.779771] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1100.784798] ? cache_grow_begin+0x335/0x400 [ 1100.789132] cache_grow_begin+0x80/0x400 [ 1100.793200] ? __cpuset_node_allowed+0xff/0x450 [ 1100.797878] fallback_alloc+0x1fd/0x2c0 [ 1100.801865] ____cache_alloc_node+0x1be/0x1d0 [ 1100.806369] kmem_cache_alloc_node+0xe3/0x780 [ 1100.810883] __alloc_skb+0x9c/0x500 [ 1100.814511] ? skb_trim+0x180/0x180 [ 1100.818139] ? if_nlmsg_size+0x38f/0x810 [ 1100.822212] rtmsg_ifinfo_build_skb+0x72/0x140 [ 1100.826811] rollback_registered_many+0x78f/0xb60 [ 1100.831662] ? netdev_info+0xf0/0xf0 [ 1100.835377] ? save_trace+0x290/0x290 [ 1100.839182] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1100.844122] unregister_netdevice_many.part.0+0x1b/0x1e0 [ 1100.849584] unregister_netdevice_many+0x3b/0x50 [ 1100.854342] ip_tunnel_delete_net+0x273/0x330 [ 1100.858857] ? __ip_tunnel_create+0x450/0x450 [ 1100.863359] ipip_exit_net+0x11b/0x1f0 [ 1100.867248] ? ipip_rcv+0x20/0x20 [ 1100.870709] ops_exit_list.isra.0+0xaa/0x150 [ 1100.875127] cleanup_net+0x3ba/0x870 [ 1100.878862] ? net_drop_ns+0x80/0x80 [ 1100.882582] ? __lock_is_held+0xb6/0x140 [ 1100.886648] ? check_preemption_disabled+0x3c/0x250 [ 1100.891671] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1100.897131] process_one_work+0x863/0x1600 [ 1100.901377] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1100.906164] worker_thread+0x5d9/0x1050 [ 1100.910159] kthread+0x319/0x430 [ 1100.913531] ? process_one_work+0x1600/0x1600 [ 1100.918030] ? kthread_create_on_node+0xd0/0xd0 [ 1100.922707] ret_from_fork+0x24/0x30 [ 1100.959959] Mem-Info: [ 1100.962621] active_anon:155535 inactive_anon:483 isolated_anon:0 [ 1100.962621] active_file:221 inactive_file:170 isolated_file:0 [ 1100.962621] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1100.962621] slab_reclaimable:14691 slab_unreclaimable:116643 [ 1100.962621] mapped:52290 shmem:537 pagetables:4069 bounce:0 [ 1100.962621] free:13765 free_pcp:60 free_cma:0 [ 1100.999290] Node 0 active_anon:549188kB inactive_anon:1924kB active_file:900kB inactive_file:688kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1101.036043] Node 1 active_anon:72952kB inactive_anon:8kB active_file:40kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1101.098261] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:32kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1101.135777] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1101.140901] Node 0 DMA32 free:18180kB min:36380kB low:45472kB high:54564kB active_anon:549140kB inactive_anon:1924kB active_file:892kB inactive_file:720kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9152kB pagetables:14440kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1101.170364] lowmem_reserve[]: 0 0 0 0 0 [ 1101.174367] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1101.225075] lowmem_reserve[]: 0 0 0 0 0 [ 1101.231966] Node 1 Normal free:26648kB min:53508kB low:66884kB high:80260kB active_anon:72952kB inactive_anon:8kB active_file:32kB inactive_file:44kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3136kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1101.265348] lowmem_reserve[]: 0 0 0 0 0 [ 1101.269373] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1101.296868] Node 0 DMA32: 2619*4kB (UME) 792*8kB (ME) 35*16kB (M) 9*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18108kB [ 1101.316667] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1101.334124] Node 1 Normal: 363*4kB (ME) 182*8kB (UME) 152*16kB (M) 194*32kB (UME) 106*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26652kB [ 1101.368239] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1101.385771] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1101.394431] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1101.408923] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1101.417764] 960 total pagecache pages [ 1101.422580] 0 pages in swap cache [ 1101.426049] Swap cache stats: add 0, delete 0, find 0/0 [ 1101.438347] Free swap = 0kB [ 1101.441477] Total swap = 0kB [ 1101.444487] 1965979 pages RAM [ 1101.447567] 0 pages HighMem/MovableOnly [ 1101.459350] 335869 pages reserved [ 1101.468191] 0 pages cma reserved [ 1101.477417] Out of memory: Kill process 22343 (syz-executor.4) score 1005 or sacrifice child [ 1101.512750] Killed process 22343 (syz-executor.4) total-vm:72588kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1101.559050] oom_reaper: reaped process 22343 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1101.595967] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1101.608744] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1101.623287] CPU: 0 PID: 7252 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1101.630770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1101.640150] Call Trace: [ 1101.642895] dump_stack+0x142/0x197 [ 1101.646524] dump_header+0x177/0x6cd [ 1101.650244] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1101.655441] ? ___ratelimit+0x55/0x537 [ 1101.659329] oom_kill_process.cold+0x10/0xadd [ 1101.663810] ? oom_unkillable_task+0x294/0x390 [ 1101.668378] ? lock_downgrade+0x740/0x740 [ 1101.672526] out_of_memory+0x2ee/0x1180 [ 1101.676495] ? lock_acquire+0x16f/0x430 [ 1101.680495] ? oom_killer_disable+0x1d0/0x1d0 [ 1101.684976] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1101.689924] __alloc_pages_slowpath+0x2251/0x2930 [ 1101.694783] ? __alloc_pages_nodemask+0x3d1/0x7a0 [ 1101.699620] ? warn_alloc+0xf0/0xf0 [ 1101.703261] ? __might_sleep+0x93/0xb0 [ 1101.707164] __alloc_pages_nodemask+0x62c/0x7a0 [ 1101.711817] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1101.716853] ? lock_downgrade+0x740/0x740 [ 1101.720992] alloc_pages_current+0xec/0x1e0 [ 1101.725300] __page_cache_alloc+0x248/0x3e0 [ 1101.729617] filemap_fault+0xcef/0x1de0 [ 1101.733577] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1101.738492] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1101.743153] ? lock_acquire+0x16f/0x430 [ 1101.747109] ? ext4_filemap_fault+0x7b/0xb0 [ 1101.751417] ext4_filemap_fault+0x83/0xb0 [ 1101.755593] __do_fault+0x104/0x390 [ 1101.759201] __handle_mm_fault+0x23bd/0x33d0 [ 1101.763636] ? copy_page_range+0x1de0/0x1de0 [ 1101.768027] ? find_held_lock+0x35/0x130 [ 1101.772081] ? handle_mm_fault+0x1b6/0x7c0 [ 1101.776326] handle_mm_fault+0x293/0x7c0 [ 1101.780380] __do_page_fault+0x4c1/0xb80 [ 1101.784424] ? vmalloc_fault+0xe30/0xe30 [ 1101.788506] ? page_fault+0x2f/0x50 [ 1101.792119] do_page_fault+0x71/0x511 [ 1101.795935] ? page_fault+0x2f/0x50 [ 1101.799545] page_fault+0x45/0x50 [ 1101.802981] RIP: 0033:0x410382 [ 1101.806150] RSP: 002b:000000c436c09a10 EFLAGS: 00010283 [ 1101.811498] RAX: 00007fb6aba1d6c8 RBX: 0000000000000000 RCX: 000000c420000180 [ 1101.818759] RDX: 000000c42013a800 RSI: 0000000000000030 RDI: 0000000000884100 [ 1101.826018] RBP: 000000c436c09aa0 R08: 0000000000000000 R09: 0000000000000006 [ 1101.833285] R10: 0000000000c6cd80 R11: 0000000000000000 R12: 0000000000000000 [ 1101.840543] R13: 000000c436c09bf8 R14: 000000c436c09bf8 R15: 0000000000000000 [ 1101.855045] Mem-Info: [ 1101.857484] active_anon:155501 inactive_anon:483 isolated_anon:0 [ 1101.857484] active_file:238 inactive_file:165 isolated_file:0 [ 1101.857484] unevictable:0 dirty:397 writeback:1 unstable:0 [ 1101.857484] slab_reclaimable:14692 slab_unreclaimable:116640 [ 1101.857484] mapped:52290 shmem:537 pagetables:4043 bounce:0 [ 1101.857484] free:13783 free_pcp:95 free_cma:0 [ 1101.896433] Node 0 active_anon:549052kB inactive_anon:1924kB active_file:972kB inactive_file:564kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1101.924762] Node 1 active_anon:72952kB inactive_anon:8kB active_file:36kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:4kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1101.951161] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:20kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1101.978431] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1102.038607] Node 0 DMA32 free:18072kB min:36380kB low:45472kB high:54564kB active_anon:549004kB inactive_anon:1924kB active_file:816kB inactive_file:764kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9152kB pagetables:14336kB bounce:0kB free_pcp:224kB local_pcp:104kB free_cma:0kB [ 1102.074261] lowmem_reserve[]: 0 0 0 0 0 [ 1102.078277] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1102.109435] lowmem_reserve[]: 0 0 0 0 0 [ 1102.113525] Node 1 Normal free:26656kB min:53508kB low:66884kB high:80260kB active_anon:72952kB inactive_anon:8kB active_file:40kB inactive_file:28kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3136kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1102.175053] lowmem_reserve[]: 0 0 0 0 0 [ 1102.179098] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1102.198085] Node 0 DMA32: 2613*4kB (UME) 792*8kB (ME) 36*16kB (UM) 7*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18036kB [ 1102.218341] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1102.229184] Node 1 Normal: 364*4kB (ME) 182*8kB (UME) 152*16kB (M) 194*32kB (UME) 106*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26656kB [ 1102.245341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1102.254217] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1102.278947] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1102.308838] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1102.317575] 967 total pagecache pages [ 1102.321681] 0 pages in swap cache [ 1102.325285] Swap cache stats: add 0, delete 0, find 0/0 [ 1102.330747] Free swap = 0kB [ 1102.333771] Total swap = 0kB [ 1102.336898] 1965979 pages RAM [ 1102.339997] 0 pages HighMem/MovableOnly [ 1102.344033] 335869 pages reserved [ 1102.352199] 0 pages cma reserved [ 1102.355619] Out of memory: Kill process 23489 (syz-executor.4) score 1005 or sacrifice child [ 1102.364452] Killed process 23489 (syz-executor.4) total-vm:72588kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1102.408250] oom_reaper: reaped process 23489 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1102.423889] init invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1102.446490] init cpuset=/ mems_allowed=0-1 [ 1102.454182] CPU: 1 PID: 1 Comm: init Not tainted 4.14.167-syzkaller #0 [ 1102.461012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1102.470367] Call Trace: [ 1102.472965] dump_stack+0x142/0x197 [ 1102.476636] dump_header+0x177/0x6cd [ 1102.480354] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1102.485468] ? ___ratelimit+0x55/0x537 [ 1102.489360] oom_kill_process.cold+0x10/0xadd [ 1102.493854] ? oom_unkillable_task+0x294/0x390 [ 1102.498447] ? lock_downgrade+0x740/0x740 [ 1102.502601] out_of_memory+0x2ee/0x1180 [ 1102.506573] ? lock_acquire+0x16f/0x430 [ 1102.510557] ? oom_killer_disable+0x1d0/0x1d0 [ 1102.515049] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1102.519982] __alloc_pages_slowpath+0x2251/0x2930 [ 1102.524837] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1102.529685] ? warn_alloc+0xf0/0xf0 [ 1102.533321] ? __might_sleep+0x93/0xb0 [ 1102.537213] __alloc_pages_nodemask+0x62c/0x7a0 [ 1102.541909] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1102.546923] ? lock_downgrade+0x740/0x740 [ 1102.551080] alloc_pages_current+0xec/0x1e0 [ 1102.555410] __page_cache_alloc+0x248/0x3e0 [ 1102.559868] filemap_fault+0xcef/0x1de0 [ 1102.563850] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1102.568786] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1102.573458] ? lock_acquire+0x16f/0x430 [ 1102.577427] ? ext4_filemap_fault+0x7b/0xb0 [ 1102.581773] ext4_filemap_fault+0x83/0xb0 [ 1102.585917] __do_fault+0x104/0x390 [ 1102.589542] __handle_mm_fault+0x23bd/0x33d0 [ 1102.593956] ? copy_page_range+0x1de0/0x1de0 [ 1102.598361] ? find_held_lock+0x35/0x130 [ 1102.602424] ? handle_mm_fault+0x1b6/0x7c0 [ 1102.606846] handle_mm_fault+0x293/0x7c0 [ 1102.610908] __do_page_fault+0x4c1/0xb80 [ 1102.614971] ? vmalloc_fault+0xe30/0xe30 [ 1102.619032] ? page_fault+0x2f/0x50 [ 1102.622662] do_page_fault+0x71/0x511 [ 1102.626458] ? page_fault+0x2f/0x50 [ 1102.630082] page_fault+0x45/0x50 [ 1102.633525] RIP: 0033:0x402488 [ 1102.636712] RSP: 002b:00007ffe66c423f8 EFLAGS: 00010202 [ 1102.642072] RAX: 0000000000000000 RBX: 00007ffe66c42520 RCX: 00007f5439136dd3 [ 1102.649343] RDX: 0000000000000000 RSI: 00007ffe66c42330 RDI: 00007ffe66c42520 [ 1102.656610] RBP: 0000000000000000 R08: 00007ffe66c423b0 R09: 0000000000000001 [ 1102.663878] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 1102.671146] R13: 00007ffe66c42710 R14: 0000000000000000 R15: 0000000000000000 [ 1102.698178] Mem-Info: [ 1102.705229] active_anon:155473 inactive_anon:483 isolated_anon:0 [ 1102.705229] active_file:223 inactive_file:200 isolated_file:0 [ 1102.705229] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1102.705229] slab_reclaimable:14692 slab_unreclaimable:116644 [ 1102.705229] mapped:52290 shmem:537 pagetables:4006 bounce:0 [ 1102.705229] free:13810 free_pcp:0 free_cma:0 [ 1102.770471] Node 0 active_anon:548940kB inactive_anon:1924kB active_file:908kB inactive_file:768kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1102.825455] Node 1 active_anon:72952kB inactive_anon:8kB active_file:0kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1102.857278] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1102.893795] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1102.898862] Node 0 DMA32 free:18180kB min:36380kB low:45472kB high:54564kB active_anon:548892kB inactive_anon:1924kB active_file:936kB inactive_file:692kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9152kB pagetables:14188kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1102.928794] lowmem_reserve[]: 0 0 0 0 0 [ 1102.965244] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1102.990625] lowmem_reserve[]: 0 0 0 0 0 [ 1102.994635] Node 1 Normal free:26660kB min:53508kB low:66884kB high:80260kB active_anon:72952kB inactive_anon:8kB active_file:0kB inactive_file:64kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3136kB pagetables:1836kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1103.023880] lowmem_reserve[]: 0 0 0 0 0 [ 1103.027901] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1103.084856] Node 0 DMA32: 2629*4kB (UME) 795*8kB (UME) 35*16kB (M) 10*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18204kB [ 1103.099187] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1103.119781] Node 1 Normal: 365*4kB (ME) 182*8kB (UME) 152*16kB (M) 195*32kB (UME) 106*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26692kB [ 1103.141581] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1103.150489] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1103.159079] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1103.167971] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1103.184888] 967 total pagecache pages [ 1103.188734] 0 pages in swap cache [ 1103.197607] Swap cache stats: add 0, delete 0, find 0/0 [ 1103.211904] Free swap = 0kB [ 1103.214941] Total swap = 0kB [ 1103.217954] 1965979 pages RAM [ 1103.223463] 0 pages HighMem/MovableOnly [ 1103.227460] 335869 pages reserved [ 1103.236371] 0 pages cma reserved [ 1103.239745] Out of memory: Kill process 23512 (syz-executor.4) score 1005 or sacrifice child [ 1103.269069] Killed process 23512 (syz-executor.4) total-vm:72588kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1103.324601] kworker/0:2 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1103.351762] kworker/0:2 cpuset=/ mems_allowed=0-1 [ 1103.356722] CPU: 0 PID: 2866 Comm: kworker/0:2 Not tainted 4.14.167-syzkaller #0 [ 1103.364242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1103.373597] Workqueue: md_misc mddev_delayed_delete [ 1103.378599] Call Trace: [ 1103.381170] dump_stack+0x142/0x197 [ 1103.384777] dump_header+0x177/0x6cd [ 1103.388470] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1103.393552] ? ___ratelimit+0x55/0x537 [ 1103.397455] oom_kill_process.cold+0x10/0xadd [ 1103.401937] ? oom_unkillable_task+0x294/0x390 [ 1103.406496] ? lock_downgrade+0x740/0x740 [ 1103.410644] out_of_memory+0x2ee/0x1180 [ 1103.414637] ? lock_acquire+0x16f/0x430 [ 1103.418610] ? oom_killer_disable+0x1d0/0x1d0 [ 1103.423087] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1103.428021] __alloc_pages_slowpath+0x2251/0x2930 [ 1103.433025] ? warn_alloc+0xf0/0xf0 [ 1103.436636] ? __might_sleep+0x93/0xb0 [ 1103.440525] __alloc_pages_nodemask+0x62c/0x7a0 [ 1103.445174] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1103.450169] ? cache_grow_begin+0x335/0x400 [ 1103.454481] cache_grow_begin+0x80/0x400 [ 1103.458532] ? __cpuset_node_allowed+0xff/0x450 [ 1103.463196] fallback_alloc+0x1fd/0x2c0 [ 1103.467160] ____cache_alloc_node+0x1be/0x1d0 [ 1103.471649] kmem_cache_alloc_node+0xe3/0x780 [ 1103.476132] __alloc_skb+0x9c/0x500 [ 1103.479739] ? skb_trim+0x180/0x180 [ 1103.483388] ? netlink_has_listeners+0x20a/0x330 [ 1103.488125] kobject_uevent_env+0x6ea/0xc80 [ 1103.492428] ? wait_for_completion+0x420/0x420 [ 1103.497014] kobject_uevent+0x20/0x30 [ 1103.500813] device_del+0x65c/0xaa0 [ 1103.504424] ? __device_links_no_driver+0x220/0x220 [ 1103.509421] ? synchronize_srcu+0x233/0x3e2 [ 1103.513721] ? simple_release_fs+0x8c/0xb0 [ 1103.517942] device_unregister+0x15/0x30 [ 1103.521991] bdi_unregister+0x42b/0x600 [ 1103.525951] ? wb_blkcg_offline+0x180/0x180 [ 1103.530253] ? kernfs_find_ns+0x1b5/0x290 [ 1103.534394] ? mutex_unlock+0xd/0x10 [ 1103.538102] ? kernfs_remove_by_name_ns+0x6b/0x90 [ 1103.542939] del_gendisk+0x405/0x820 [ 1103.546643] ? disk_events_poll_msecs_store+0x150/0x150 [ 1103.552003] ? blk_cleanup_queue+0x446/0x610 [ 1103.556414] md_free+0xc8/0x140 [ 1103.559680] ? lock_rdev+0x110/0x110 [ 1103.563383] kobject_put+0x14e/0x210 [ 1103.567081] mddev_delayed_delete+0x34/0x40 [ 1103.571383] process_one_work+0x863/0x1600 [ 1103.575603] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1103.580274] worker_thread+0x5d9/0x1050 [ 1103.584233] kthread+0x319/0x430 [ 1103.587579] ? process_one_work+0x1600/0x1600 [ 1103.592051] ? kthread_create_on_node+0xd0/0xd0 [ 1103.596699] ret_from_fork+0x24/0x30 [ 1103.617369] Mem-Info: [ 1103.619826] active_anon:155439 inactive_anon:483 isolated_anon:0 [ 1103.619826] active_file:262 inactive_file:190 isolated_file:0 [ 1103.619826] unevictable:0 dirty:397 writeback:4 unstable:0 [ 1103.619826] slab_reclaimable:14693 slab_unreclaimable:116667 [ 1103.619826] mapped:52290 shmem:537 pagetables:3991 bounce:0 [ 1103.619826] free:13802 free_pcp:74 free_cma:0 [ 1103.669337] Node 0 active_anon:548888kB inactive_anon:1924kB active_file:824kB inactive_file:756kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:16kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1103.703060] Node 1 active_anon:72868kB inactive_anon:8kB active_file:32kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1103.741265] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:20kB inactive_file:20kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1103.767948] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1103.773028] Node 0 DMA32 free:18116kB min:36380kB low:45472kB high:54564kB active_anon:548840kB inactive_anon:1924kB active_file:784kB inactive_file:752kB unevictable:0kB writepending:1512kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9152kB pagetables:14176kB bounce:0kB free_pcp:176kB local_pcp:176kB free_cma:0kB [ 1103.802508] lowmem_reserve[]: 0 0 0 0 0 [ 1103.806485] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1103.831829] lowmem_reserve[]: 0 0 0 0 0 [ 1103.835835] Node 1 Normal free:26708kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:28kB inactive_file:36kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3136kB pagetables:1788kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1103.874634] lowmem_reserve[]: 0 0 0 0 0 [ 1103.878691] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1103.895294] Node 0 DMA32: 2619*4kB (UME) 793*8kB (UME) 35*16kB (M) 9*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18116kB [ 1103.909358] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1103.920387] Node 1 Normal: 365*4kB (UME) 182*8kB (UME) 153*16kB (UM) 195*32kB (UME) 106*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26708kB [ 1103.958581] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1103.967521] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1103.986902] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1103.997816] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1104.020078] syz-executor.4: page allocation failure: order:0, mode:0x1404040(GFP_NOFS|__GFP_COMP), nodemask=(null) [ 1104.021135] 966 total pagecache pages [ 1104.037626] 0 pages in swap cache [ 1104.051616] Swap cache stats: add 0, delete 0, find 0/0 [ 1104.057128] Free swap = 0kB [ 1104.061269] syz-executor.4 cpuset=syz4 mems_allowed=0-1 [ 1104.066664] CPU: 1 PID: 22343 Comm: syz-executor.4 Not tainted 4.14.167-syzkaller #0 [ 1104.074540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1104.083901] Call Trace: [ 1104.086498] dump_stack+0x142/0x197 [ 1104.090134] warn_alloc.cold+0x96/0x1af [ 1104.094105] ? zone_watermark_ok_safe+0x2b0/0x2b0 [ 1104.098949] ? trace_hardirqs_on_caller+0x400/0x590 [ 1104.103984] __alloc_pages_slowpath+0x23c6/0x2930 [ 1104.108845] ? warn_alloc+0xf0/0xf0 [ 1104.112487] ? __might_sleep+0x93/0xb0 [ 1104.116377] __alloc_pages_nodemask+0x62c/0x7a0 [ 1104.121051] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1104.126069] ? cache_grow_begin+0x335/0x400 [ 1104.130400] cache_grow_begin+0x80/0x400 [ 1104.133808] Total swap = 0kB [ 1104.134459] ? __cpuset_node_allowed+0xff/0x450 [ 1104.137463] 1965979 pages RAM [ 1104.142115] fallback_alloc+0x1fd/0x2c0 [ 1104.142128] ____cache_alloc_node+0x1be/0x1d0 [ 1104.142139] __kmalloc+0x21a/0x7a0 [ 1104.142152] ? ext4_ext_remove_space+0x17c5/0x3b10 [ 1104.142163] ext4_ext_remove_space+0x17c5/0x3b10 [ 1104.142174] ? save_trace+0x290/0x290 [ 1104.142187] ? ext4_es_remove_extent+0x9f/0x330 [ 1104.142195] ? find_held_lock+0x35/0x130 [ 1104.142210] ? ext4_ext_index_trans_blocks+0x130/0x130 [ 1104.142218] ? lock_downgrade+0x740/0x740 [ 1104.142232] ? _raw_write_unlock+0x2d/0x50 [ 1104.179984] 0 pages HighMem/MovableOnly [ 1104.184673] ? ext4_es_remove_extent+0xa4/0x330 [ 1104.184684] ext4_ext_truncate+0x19e/0x1f0 [ 1104.184696] ext4_truncate+0xbab/0x11f0 [ 1104.184707] ? ext4_punch_hole+0x1100/0x1100 [ 1104.184715] ? __ext4_journal_start_sb+0x105/0x450 [ 1104.184722] ? ext4_evict_inode+0x738/0x15d0 [ 1104.184732] ext4_evict_inode+0x8c1/0x15d0 [ 1104.184744] ? ext4_da_write_begin+0xea0/0xea0 [ 1104.184753] ? _raw_spin_unlock+0x2d/0x50 [ 1104.184759] ? ext4_da_write_begin+0xea0/0xea0 [ 1104.184772] evict+0x2e6/0x630 [ 1104.207902] 335869 pages reserved [ 1104.209917] ? do_raw_spin_unlock+0x174/0x260 [ 1104.252223] iput+0x471/0x900 [ 1104.255332] ? ext4_nfs_commit_metadata+0x2f0/0x2f0 [ 1104.260352] dentry_unlink_inode+0x286/0x340 [ 1104.264782] __dentry_kill+0x32e/0x580 [ 1104.268676] ? dput.part.0+0x2a/0x750 [ 1104.272481] ? dput.part.0+0x2a/0x750 [ 1104.276289] dput.part.0+0x4e3/0x750 [ 1104.280004] dput+0x20/0x30 [ 1104.282935] path_put+0x31/0x70 [ 1104.286215] free_fs_struct+0x25/0x70 [ 1104.290014] exit_fs+0xe7/0x120 [ 1104.292418] 0 pages cma reserved [ 1104.293296] do_exit+0x9f4/0x2cd0 [ 1104.296647] Out of memory: Kill process 23656 (syz-executor.2) score 1005 or sacrifice child [ 1104.300086] ? get_signal+0x319/0x1cd0 [ 1104.300097] ? mm_update_next_owner+0x5d0/0x5d0 [ 1104.300114] do_group_exit+0x111/0x330 [ 1104.300125] get_signal+0x381/0x1cd0 [ 1104.300133] ? trace_hardirqs_on+0x10/0x10 [ 1104.300144] ? save_trace+0x290/0x290 [ 1104.300161] do_signal+0x86/0x19a0 [ 1104.300177] ? setup_sigcontext+0x7d0/0x7d0 [ 1104.321737] Killed process 23656 (syz-executor.2) total-vm:72720kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1104.324892] ? check_preemption_disabled+0x3c/0x250 [ 1104.356295] ? check_preemption_disabled+0x3c/0x250 [ 1104.361312] ? debug_smp_processor_id+0x1c/0x20 [ 1104.365979] ? perf_trace_sys_exit+0x294/0x400 [ 1104.370561] ? check_preemption_disabled+0x3c/0x250 [ 1104.375579] ? exit_to_usermode_loop+0x3d/0x220 [ 1104.379372] oom_reaper: reaped process 23656 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1104.380243] exit_to_usermode_loop+0x15c/0x220 [ 1104.380257] do_syscall_64+0x4bc/0x640 [ 1104.380264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1104.380279] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1104.380286] RIP: 0033:0x45b349 [ 1104.380290] RSP: 002b:00007f9a7c7a4cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1104.380300] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 000000000045b349 [ 1104.380305] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 1104.380310] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1104.380315] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 1104.380320] R13: 00007ffe09926a5f R14: 00007f9a7c7a59c0 R15: 000000000075bf2c [ 1104.408512] Mem-Info: [ 1104.483213] active_anon:155414 inactive_anon:483 isolated_anon:0 [ 1104.483213] active_file:225 inactive_file:186 isolated_file:0 [ 1104.483213] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1104.483213] slab_reclaimable:14693 slab_unreclaimable:116681 [ 1104.483213] mapped:52290 shmem:537 pagetables:3991 bounce:0 [ 1104.483213] free:13845 free_pcp:0 free_cma:0 [ 1104.546550] cron invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1104.560014] Node 0 active_anon:548788kB inactive_anon:1924kB active_file:780kB inactive_file:800kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1104.587183] cron cpuset=/ mems_allowed=0-1 [ 1104.593332] Node 1 active_anon:72868kB inactive_anon:8kB active_file:48kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1104.630471] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:12kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1104.640124] CPU: 1 PID: 7155 Comm: cron Not tainted 4.14.167-syzkaller #0 [ 1104.663939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1104.673299] Call Trace: [ 1104.675894] dump_stack+0x142/0x197 [ 1104.679518] ? uas_probe+0xf0/0x1320 [ 1104.683238] dump_header+0x177/0x6cd [ 1104.686958] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1104.692063] ? ___ratelimit+0x55/0x537 [ 1104.695964] oom_kill_process.cold+0x10/0xadd [ 1104.700456] ? oom_unkillable_task+0x294/0x390 [ 1104.705037] ? lock_downgrade+0x740/0x740 [ 1104.709192] out_of_memory+0x2ee/0x1180 [ 1104.713160] ? lock_acquire+0x16f/0x430 [ 1104.717135] ? oom_killer_disable+0x1d0/0x1d0 [ 1104.721628] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1104.726579] __alloc_pages_slowpath+0x2251/0x2930 [ 1104.731449] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1104.736292] ? warn_alloc+0xf0/0xf0 [ 1104.739933] ? __might_sleep+0x93/0xb0 [ 1104.743819] __alloc_pages_nodemask+0x62c/0x7a0 [ 1104.748496] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1104.751083] lowmem_reserve[]: [ 1104.753504] ? lock_downgrade+0x740/0x740 [ 1104.753510] 0 [ 1104.756603] alloc_pages_current+0xec/0x1e0 [ 1104.766836] __page_cache_alloc+0x248/0x3e0 [ 1104.771163] filemap_fault+0xcef/0x1de0 [ 1104.775132] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1104.780068] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1104.784737] ? lock_acquire+0x16f/0x430 [ 1104.788707] ? ext4_filemap_fault+0x7b/0xb0 [ 1104.793033] ext4_filemap_fault+0x83/0xb0 [ 1104.797176] __do_fault+0x104/0x390 [ 1104.800803] __handle_mm_fault+0x23bd/0x33d0 [ 1104.805214] ? copy_page_range+0x1de0/0x1de0 [ 1104.809629] ? find_held_lock+0x35/0x130 [ 1104.813715] ? handle_mm_fault+0x1b6/0x7c0 [ 1104.817973] handle_mm_fault+0x293/0x7c0 [ 1104.822041] __do_page_fault+0x4c1/0xb80 [ 1104.826117] ? vmalloc_fault+0xe30/0xe30 [ 1104.830186] ? page_fault+0x2f/0x50 [ 1104.833816] do_page_fault+0x71/0x511 [ 1104.837616] ? page_fault+0x2f/0x50 [ 1104.841246] page_fault+0x45/0x50 [ 1104.844704] RIP: 0033:0x40320a [ 1104.847887] RSP: 002b:00007fff5d3ac440 EFLAGS: 00010202 [ 1104.853249] RAX: 0000000000000000 RBX: 000000000191c708 RCX: 00007ffb9b99de40 [ 1104.856683] 2569 [ 1104.860515] RDX: 0000000000000000 RSI: 00007fff5d3ac400 RDI: 00007fff5d3ac400 [ 1104.860521] RBP: 0000000000000000 R08: 00007fff5d3ac260 R09: 0000000000000000 [ 1104.860525] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000004033c4 [ 1104.860530] R13: 00007fff5d3ac560 R14: 0000000000000000 R15: 0000000000000000 [ 1104.912361] 2569 2569 2569 [ 1104.915333] Node 0 DMA32 free:18372kB min:36380kB low:45472kB high:54564kB active_anon:548740kB inactive_anon:1924kB active_file:888kB inactive_file:672kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9056kB pagetables:14072kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1104.927208] Mem-Info: [ 1104.969089] lowmem_reserve[]: 0 0 0 0 0 [ 1104.990194] active_anon:155414 inactive_anon:483 isolated_anon:0 [ 1104.990194] active_file:197 inactive_file:198 isolated_file:64 [ 1104.990194] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1104.990194] slab_reclaimable:14693 slab_unreclaimable:116681 [ 1104.990194] mapped:52290 shmem:537 pagetables:3965 bounce:0 [ 1104.990194] free:13723 free_pcp:64 free_cma:0 [ 1104.992423] Node 0 [ 1105.055474] Node 0 active_anon:548788kB inactive_anon:1924kB active_file:864kB inactive_file:808kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1105.092337] Node 1 active_anon:72868kB inactive_anon:8kB active_file:48kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1105.116359] Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1105.125351] Node 0 [ 1105.159465] lowmem_reserve[]: [ 1105.192192] DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:48kB inactive_file:12kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1105.215042] 0 0 0 0 0 [ 1105.235532] Node 1 Normal free:26264kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:48kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3136kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1105.238079] lowmem_reserve[]: [ 1105.279763] lowmem_reserve[]: 0 0 0 0 0 [ 1105.287552] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1105.295090] 0 2569 2569 2569 2569 [ 1105.324470] Node 0 DMA32 free:18060kB min:36380kB low:45472kB high:54564kB active_anon:548740kB inactive_anon:1924kB active_file:956kB inactive_file:740kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9056kB pagetables:14072kB bounce:0kB free_pcp:236kB local_pcp:232kB free_cma:0kB [ 1105.374892] lowmem_reserve[]: 0 0 0 0 0 [ 1105.378932] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1105.384862] Node 0 DMA32: 2610*4kB (UME) 793*8kB (UME) 35*16kB (M) 10*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18112kB [ 1105.435093] lowmem_reserve[]: 0 0 0 0 0 [ 1105.439388] Node 1 Normal free:26264kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:48kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:3136kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1105.459695] Node 0 [ 1105.479200] lowmem_reserve[]: 0 0 0 0 0 [ 1105.486735] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1105.509703] Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1105.512371] Node 0 DMA32: 2616*4kB (UME) 797*8kB (UME) 35*16kB (M) 11*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18200kB [ 1105.553120] Node 1 Normal: 371*4kB (UME) 182*8kB (UME) 153*16kB (UM) 186*32kB (UME) 106*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26444kB [ 1105.568203] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1105.585734] Node 1 Normal: 371*4kB (UME) 182*8kB (UME) 153*16kB (UM) 186*32kB (UME) 106*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26444kB [ 1105.615803] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1105.627716] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1105.630144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1105.656440] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1105.656929] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1105.694193] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1105.698031] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1105.712837] 966 total pagecache pages [ 1105.716799] 0 pages in swap cache [ 1105.729302] Swap cache stats: add 0, delete 0, find 0/0 [ 1105.746266] Free swap = 0kB [ 1105.749295] Total swap = 0kB [ 1105.752369] 1965979 pages RAM [ 1105.755474] 0 pages HighMem/MovableOnly [ 1105.759441] 335869 pages reserved [ 1105.774609] 0 pages cma reserved [ 1105.778143] Out of memory: Kill process 24130 (syz-executor.0) score 1005 or sacrifice child [ 1105.786810] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1105.791601] Killed process 24130 (syz-executor.0) total-vm:72588kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1105.820334] 966 total pagecache pages [ 1105.824180] 0 pages in swap cache [ 1105.827638] Swap cache stats: add 0, delete 0, find 0/0 [ 1105.838655] Free swap = 0kB [ 1105.847765] Total swap = 0kB [ 1105.850897] 1965979 pages RAM [ 1105.854007] 0 pages HighMem/MovableOnly [ 1105.857995] 335869 pages reserved [ 1105.879551] 0 pages cma reserved [ 1105.886745] oom_reaper: reaped process 24130 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1105.906890] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1105.939626] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1105.958372] CPU: 1 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1105.966179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1105.975537] Call Trace: [ 1105.978133] dump_stack+0x142/0x197 [ 1105.981764] dump_header+0x177/0x6cd [ 1105.985483] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1105.990592] ? ___ratelimit+0x55/0x537 [ 1105.994517] oom_kill_process.cold+0x10/0xadd [ 1105.999020] ? oom_unkillable_task+0x294/0x390 [ 1106.003611] ? lock_downgrade+0x740/0x740 [ 1106.007772] out_of_memory+0x2ee/0x1180 [ 1106.011840] ? lock_acquire+0x16f/0x430 [ 1106.015821] ? oom_killer_disable+0x1d0/0x1d0 [ 1106.020315] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1106.025386] __alloc_pages_slowpath+0x2251/0x2930 [ 1106.030244] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1106.035091] ? warn_alloc+0xf0/0xf0 [ 1106.038735] ? __might_sleep+0x93/0xb0 [ 1106.042633] __alloc_pages_nodemask+0x62c/0x7a0 [ 1106.047308] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1106.052342] ? lock_downgrade+0x740/0x740 [ 1106.056508] alloc_pages_current+0xec/0x1e0 [ 1106.060833] __page_cache_alloc+0x248/0x3e0 [ 1106.065165] filemap_fault+0xcef/0x1de0 [ 1106.069137] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1106.074085] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1106.078762] ? lock_acquire+0x16f/0x430 [ 1106.082733] ? ext4_filemap_fault+0x7b/0xb0 [ 1106.087063] ext4_filemap_fault+0x83/0xb0 [ 1106.091218] __do_fault+0x104/0x390 [ 1106.094852] __handle_mm_fault+0x23bd/0x33d0 [ 1106.099293] ? copy_page_range+0x1de0/0x1de0 [ 1106.103702] ? find_held_lock+0x35/0x130 [ 1106.107769] ? handle_mm_fault+0x1b6/0x7c0 [ 1106.112018] handle_mm_fault+0x293/0x7c0 [ 1106.116090] __do_page_fault+0x4c1/0xb80 [ 1106.120162] ? vmalloc_fault+0xe30/0xe30 [ 1106.124225] ? page_fault+0x2f/0x50 [ 1106.127864] do_page_fault+0x71/0x511 [ 1106.131671] ? page_fault+0x2f/0x50 [ 1106.135301] page_fault+0x45/0x50 [ 1106.138756] RIP: 0033:0x41518a [ 1106.141947] RSP: 002b:00007fffe00b9d98 EFLAGS: 00010246 [ 1106.147368] RAX: 000000000000020d RBX: 0000000000000000 RCX: 000000000041518a [ 1106.154631] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1106.161926] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1106.169203] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1106.176478] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1106.217508] Mem-Info: [ 1106.219969] active_anon:155371 inactive_anon:483 isolated_anon:0 [ 1106.219969] active_file:232 inactive_file:194 isolated_file:0 [ 1106.219969] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1106.219969] slab_reclaimable:14694 slab_unreclaimable:116687 [ 1106.219969] mapped:52290 shmem:537 pagetables:3939 bounce:0 [ 1106.219969] free:13773 free_pcp:66 free_cma:0 [ 1106.256888] Node 0 active_anon:548616kB inactive_anon:1924kB active_file:824kB inactive_file:764kB unevictable:0kB isolated(anon):0kB isolated(file):76kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1106.287235] Node 1 active_anon:72868kB inactive_anon:8kB active_file:16kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1106.320640] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:4kB inactive_file:52kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1106.357374] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1106.362582] Node 0 DMA32 free:18252kB min:36380kB low:45472kB high:54564kB active_anon:548568kB inactive_anon:1924kB active_file:780kB inactive_file:768kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9024kB pagetables:13968kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 1106.397113] lowmem_reserve[]: 0 0 0 0 0 [ 1106.401452] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1106.427893] lowmem_reserve[]: 0 0 0 0 0 [ 1106.448215] Node 1 Normal free:26508kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2976kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1106.499995] lowmem_reserve[]: 0 0 0 0 0 [ 1106.507705] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1106.524189] Node 0 DMA32: 2610*4kB (UME) 793*8kB (UME) 35*16kB (M) 12*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18176kB [ 1106.538324] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1106.568400] Node 1 Normal: 371*4kB (UME) 182*8kB (UME) 153*16kB (UM) 188*32kB (UME) 106*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26508kB [ 1106.590240] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1106.599093] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1106.608166] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1106.618790] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1106.627451] 960 total pagecache pages [ 1106.631289] 0 pages in swap cache [ 1106.634738] Swap cache stats: add 0, delete 0, find 0/0 [ 1106.640152] Free swap = 0kB [ 1106.643166] Total swap = 0kB [ 1106.646185] 1965979 pages RAM [ 1106.649284] 0 pages HighMem/MovableOnly [ 1106.653326] 335869 pages reserved [ 1106.656775] 0 pages cma reserved [ 1106.660195] Out of memory: Kill process 24143 (syz-executor.0) score 1005 or sacrifice child [ 1106.668905] Killed process 24143 (syz-executor.0) total-vm:72588kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1106.754774] udevd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 1106.768031] udevd cpuset=/ mems_allowed=0-1 [ 1106.772435] CPU: 1 PID: 3719 Comm: udevd Not tainted 4.14.167-syzkaller #0 [ 1106.779437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1106.788780] Call Trace: [ 1106.791372] dump_stack+0x142/0x197 [ 1106.795011] dump_header+0x177/0x6cd [ 1106.798729] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1106.803845] ? ___ratelimit+0x55/0x537 [ 1106.807740] oom_kill_process.cold+0x10/0xadd [ 1106.812242] ? oom_unkillable_task+0x294/0x390 [ 1106.816863] ? lock_downgrade+0x740/0x740 [ 1106.821019] out_of_memory+0x2ee/0x1180 [ 1106.824997] ? lock_acquire+0x16f/0x430 [ 1106.828976] ? oom_killer_disable+0x1d0/0x1d0 [ 1106.833465] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1106.838393] __alloc_pages_slowpath+0x2251/0x2930 [ 1106.843238] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1106.848123] ? warn_alloc+0xf0/0xf0 [ 1106.851760] ? __might_sleep+0x93/0xb0 [ 1106.855647] __alloc_pages_nodemask+0x62c/0x7a0 [ 1106.860334] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1106.865348] ? lock_downgrade+0x740/0x740 [ 1106.869523] alloc_pages_current+0xec/0x1e0 [ 1106.873847] __page_cache_alloc+0x248/0x3e0 [ 1106.878175] filemap_fault+0xcef/0x1de0 [ 1106.882153] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1106.887092] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1106.891771] ? lock_acquire+0x16f/0x430 [ 1106.895742] ? ext4_filemap_fault+0x7b/0xb0 [ 1106.900078] ext4_filemap_fault+0x83/0xb0 [ 1106.904245] __do_fault+0x104/0x390 [ 1106.907879] __handle_mm_fault+0x23bd/0x33d0 [ 1106.912290] ? copy_page_range+0x1de0/0x1de0 [ 1106.916700] ? find_held_lock+0x35/0x130 [ 1106.920869] ? handle_mm_fault+0x1b6/0x7c0 [ 1106.925126] handle_mm_fault+0x293/0x7c0 [ 1106.929188] __do_page_fault+0x4c1/0xb80 [ 1106.933386] ? vmalloc_fault+0xe30/0xe30 [ 1106.937450] ? page_fault+0x2f/0x50 [ 1106.941081] do_page_fault+0x71/0x511 [ 1106.944881] ? page_fault+0x2f/0x50 [ 1106.948513] page_fault+0x45/0x50 [ 1106.951969] RIP: 0033:0x7efdc30dd943 [ 1106.955674] RSP: 002b:00007fffcf6d44d8 EFLAGS: 00010246 [ 1106.961038] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 00007efdc30dd943 [ 1106.968310] RDX: 0000000000000008 RSI: 00007fffcf6d45d0 RDI: 000000000000000a [ 1106.975579] RBP: 0000000001cb9a60 R08: 0000000000000000 R09: 0000000000000000 [ 1106.982976] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 1106.990248] R13: 0000000000000000 R14: 0000000001cc8b90 R15: 0000000001caa030 [ 1107.002776] Mem-Info: [ 1107.005245] active_anon:155346 inactive_anon:483 isolated_anon:0 [ 1107.005245] active_file:225 inactive_file:182 isolated_file:0 [ 1107.005245] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1107.005245] slab_reclaimable:14694 slab_unreclaimable:116705 [ 1107.005245] mapped:52290 shmem:537 pagetables:3902 bounce:0 [ 1107.005245] free:13769 free_pcp:61 free_cma:0 [ 1107.038745] Node 0 active_anon:548516kB inactive_anon:1924kB active_file:900kB inactive_file:728kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1107.068877] Node 1 active_anon:72868kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1107.095262] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:16kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1107.128101] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1107.143972] Node 0 DMA32 free:18212kB min:36380kB low:45472kB high:54564kB active_anon:548448kB inactive_anon:1924kB active_file:704kB inactive_file:616kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:9024kB pagetables:13864kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1107.195876] lowmem_reserve[]: 0 0 0 0 0 [ 1107.208525] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1107.260727] lowmem_reserve[]: 0 0 0 0 0 [ 1107.264979] Node 1 Normal free:26508kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:24kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2976kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1107.318080] lowmem_reserve[]: 0 0 0 0 0 [ 1107.323926] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1107.348189] Node 0 DMA32: 2595*4kB (UME) 800*8kB (UME) 36*16kB (MH) 12*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18188kB [ 1107.369966] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1107.386046] Node 1 Normal: 371*4kB (UME) 182*8kB (UME) 153*16kB (UM) 188*32kB (UME) 106*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26508kB [ 1107.407844] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1107.416922] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1107.428263] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1107.450347] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1107.459075] 964 total pagecache pages [ 1107.469962] 0 pages in swap cache [ 1107.505532] Swap cache stats: add 0, delete 0, find 0/0 [ 1107.518651] Free swap = 0kB [ 1107.521943] Total swap = 0kB [ 1107.524964] 1965979 pages RAM [ 1107.528061] 0 pages HighMem/MovableOnly [ 1107.537622] 335869 pages reserved [ 1107.541139] 0 pages cma reserved [ 1107.544505] Out of memory: Kill process 24151 (syz-executor.0) score 1005 or sacrifice child [ 1107.554528] Killed process 24151 (syz-executor.0) total-vm:72588kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1107.812051] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1107.826415] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1107.836685] CPU: 1 PID: 7248 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1107.844141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1107.853495] Call Trace: [ 1107.856108] dump_stack+0x142/0x197 [ 1107.859831] ? perf_trace_drv_tdls_recv_channel_switch+0x540/0xd90 [ 1107.866159] dump_header+0x177/0x6cd [ 1107.869878] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1107.874985] ? ___ratelimit+0x55/0x537 [ 1107.878880] oom_kill_process.cold+0x10/0xadd [ 1107.883377] ? oom_unkillable_task+0x294/0x390 [ 1107.887960] ? lock_downgrade+0x740/0x740 [ 1107.892116] out_of_memory+0x2ee/0x1180 [ 1107.896096] ? lock_acquire+0x16f/0x430 [ 1107.900077] ? oom_killer_disable+0x1d0/0x1d0 [ 1107.904578] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1107.909514] __alloc_pages_slowpath+0x2251/0x2930 [ 1107.914367] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1107.919216] ? warn_alloc+0xf0/0xf0 [ 1107.922852] ? __might_sleep+0x93/0xb0 [ 1107.926750] __alloc_pages_nodemask+0x62c/0x7a0 [ 1107.931423] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1107.936446] ? lock_downgrade+0x740/0x740 [ 1107.940794] alloc_pages_current+0xec/0x1e0 [ 1107.945241] __page_cache_alloc+0x248/0x3e0 [ 1107.949571] filemap_fault+0xcef/0x1de0 [ 1107.953548] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1107.958491] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1107.963168] ? lock_acquire+0x16f/0x430 [ 1107.967144] ? ext4_filemap_fault+0x7b/0xb0 [ 1107.971478] ext4_filemap_fault+0x83/0xb0 [ 1107.975639] __do_fault+0x104/0x390 [ 1107.979269] __handle_mm_fault+0x23bd/0x33d0 [ 1107.983685] ? copy_page_range+0x1de0/0x1de0 [ 1107.988101] ? find_held_lock+0x35/0x130 [ 1107.992169] ? handle_mm_fault+0x1b6/0x7c0 [ 1107.996428] handle_mm_fault+0x293/0x7c0 [ 1108.000508] __do_page_fault+0x4c1/0xb80 [ 1108.004587] ? vmalloc_fault+0xe30/0xe30 [ 1108.008656] ? page_fault+0x2f/0x50 [ 1108.012297] do_page_fault+0x71/0x511 [ 1108.016107] ? page_fault+0x2f/0x50 [ 1108.019743] page_fault+0x45/0x50 [ 1108.023194] RIP: 0033:0x40ec10 [ 1108.026387] RSP: 002b:000000c42004fee0 EFLAGS: 00010216 [ 1108.031759] RAX: 0000000001e2bbd8 RBX: 0000000000000006 RCX: 000000c420000480 [ 1108.039034] RDX: 0000000022964e6e RSI: 000000c42004ff10 RDI: 000000c42004feec [ 1108.046306] RBP: 000000c42004ff18 R08: 00007fffb93ee000 R09: 00000117240ba8b2 [ 1108.053573] R10: 00114b2737000000 R11: 0000000000000001 R12: 000000000042f0a0 [ 1108.060837] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 1108.113180] Mem-Info: [ 1108.115652] active_anon:155308 inactive_anon:483 isolated_anon:0 [ 1108.115652] active_file:249 inactive_file:140 isolated_file:49 [ 1108.115652] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1108.115652] slab_reclaimable:14696 slab_unreclaimable:116721 [ 1108.115652] mapped:52290 shmem:537 pagetables:3887 bounce:0 [ 1108.115652] free:13744 free_pcp:31 free_cma:0 [ 1108.152701] Node 0 active_anon:548364kB inactive_anon:1924kB active_file:888kB inactive_file:764kB unevictable:0kB isolated(anon):0kB isolated(file):196kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1108.181031] Node 1 active_anon:72868kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1108.232383] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:20kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1108.276974] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1108.287712] Node 0 DMA32 free:17856kB min:36380kB low:45472kB high:54564kB active_anon:548316kB inactive_anon:1924kB active_file:832kB inactive_file:768kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8992kB pagetables:13760kB bounce:0kB free_pcp:356kB local_pcp:120kB free_cma:0kB [ 1108.331861] lowmem_reserve[]: 0 0 0 0 0 [ 1108.335981] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1108.368015] lowmem_reserve[]: 0 0 0 0 0 [ 1108.372352] Node 1 Normal free:26508kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2976kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1108.404908] lowmem_reserve[]: 0 0 0 0 0 [ 1108.408926] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1108.446926] Node 0 DMA32: 2599*4kB (ME) 798*8kB (UME) 36*16kB (MH) 12*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18188kB [ 1108.462570] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1108.473368] Node 1 Normal: 371*4kB (UME) 182*8kB (UME) 153*16kB (UM) 188*32kB (UME) 106*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26508kB [ 1108.490010] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1108.498916] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1108.507567] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1108.516452] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1108.527469] 966 total pagecache pages [ 1108.531314] 0 pages in swap cache [ 1108.534763] Swap cache stats: add 0, delete 0, find 0/0 [ 1108.540184] Free swap = 0kB [ 1108.543228] Total swap = 0kB [ 1108.546242] 1965979 pages RAM [ 1108.549335] 0 pages HighMem/MovableOnly [ 1108.558728] 335869 pages reserved [ 1108.564273] 0 pages cma reserved [ 1108.567664] Out of memory: Kill process 24617 (syz-executor.1) score 1005 or sacrifice child [ 1108.577818] Killed process 24617 (syz-executor.1) total-vm:72720kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1108.615898] oom_reaper: reaped process 24617 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1108.642614] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1108.666514] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1108.677530] CPU: 0 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1108.684994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1108.694370] Call Trace: [ 1108.696946] dump_stack+0x142/0x197 [ 1108.700559] dump_header+0x177/0x6cd [ 1108.704252] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1108.709355] ? ___ratelimit+0x55/0x537 [ 1108.713284] oom_kill_process.cold+0x10/0xadd [ 1108.717766] ? oom_unkillable_task+0x294/0x390 [ 1108.722384] ? lock_downgrade+0x740/0x740 [ 1108.726521] out_of_memory+0x2ee/0x1180 [ 1108.730516] ? lock_acquire+0x16f/0x430 [ 1108.734590] ? oom_killer_disable+0x1d0/0x1d0 [ 1108.739076] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1108.744001] __alloc_pages_slowpath+0x2251/0x2930 [ 1108.748884] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1108.753713] ? warn_alloc+0xf0/0xf0 [ 1108.757382] ? __might_sleep+0x93/0xb0 [ 1108.761267] __alloc_pages_nodemask+0x62c/0x7a0 [ 1108.765975] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1108.770985] ? lock_downgrade+0x740/0x740 [ 1108.775261] alloc_pages_current+0xec/0x1e0 [ 1108.779570] __page_cache_alloc+0x248/0x3e0 [ 1108.783890] filemap_fault+0xcef/0x1de0 [ 1108.787854] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1108.792789] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1108.797444] ? lock_acquire+0x16f/0x430 [ 1108.801447] ? ext4_filemap_fault+0x7b/0xb0 [ 1108.805772] ext4_filemap_fault+0x83/0xb0 [ 1108.809904] __do_fault+0x104/0x390 [ 1108.813514] __handle_mm_fault+0x23bd/0x33d0 [ 1108.817929] ? copy_page_range+0x1de0/0x1de0 [ 1108.822319] ? find_held_lock+0x35/0x130 [ 1108.826377] ? handle_mm_fault+0x1b6/0x7c0 [ 1108.830607] handle_mm_fault+0x293/0x7c0 [ 1108.834656] __do_page_fault+0x4c1/0xb80 [ 1108.838698] ? vmalloc_fault+0xe30/0xe30 [ 1108.842748] ? page_fault+0x2f/0x50 [ 1108.846358] do_page_fault+0x71/0x511 [ 1108.850150] ? page_fault+0x2f/0x50 [ 1108.853758] page_fault+0x45/0x50 [ 1108.857190] RIP: 0033:0x4284f0 [ 1108.860361] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1108.865712] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1108.872970] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1108.880230] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1108.887483] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1108.894742] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1108.929811] Mem-Info: [ 1108.938188] active_anon:155274 inactive_anon:483 isolated_anon:0 [ 1108.938188] active_file:256 inactive_file:190 isolated_file:0 [ 1108.938188] unevictable:0 dirty:398 writeback:0 unstable:0 [ 1108.938188] slab_reclaimable:14696 slab_unreclaimable:116733 [ 1108.938188] mapped:52290 shmem:537 pagetables:3861 bounce:0 [ 1108.938188] free:13761 free_pcp:31 free_cma:0 [ 1108.974737] Node 0 active_anon:548228kB inactive_anon:1924kB active_file:912kB inactive_file:792kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1560kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1109.003023] Node 1 active_anon:72868kB inactive_anon:8kB active_file:12kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1109.055059] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1109.081714] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1109.086770] Node 0 DMA32 free:18172kB min:36380kB low:45472kB high:54564kB active_anon:548180kB inactive_anon:1924kB active_file:884kB inactive_file:724kB unevictable:0kB writepending:1500kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8992kB pagetables:13656kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1109.117011] lowmem_reserve[]: 0 0 0 0 0 [ 1109.122843] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1109.148219] lowmem_reserve[]: 0 0 0 0 0 [ 1109.165849] Node 1 Normal free:26508kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2976kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1109.217555] lowmem_reserve[]: 0 0 0 0 0 [ 1109.227445] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1109.249209] Node 0 DMA32: 2542*4kB (UME) 808*8kB (UME) 36*16kB (MH) 13*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18072kB [ 1109.265371] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1109.281611] Node 1 Normal: 371*4kB (UME) 182*8kB (UME) 153*16kB (UM) 188*32kB (UME) 106*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26508kB [ 1109.297851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1109.306754] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1109.317350] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1109.328544] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1109.338734] 966 total pagecache pages [ 1109.342703] 0 pages in swap cache [ 1109.346268] Swap cache stats: add 0, delete 0, find 0/0 [ 1109.353630] Free swap = 0kB [ 1109.356785] Total swap = 0kB [ 1109.363829] 1965979 pages RAM [ 1109.366950] 0 pages HighMem/MovableOnly [ 1109.376491] 335869 pages reserved [ 1109.379951] 0 pages cma reserved [ 1109.385457] Out of memory: Kill process 24634 (syz-executor.1) score 1005 or sacrifice child [ 1109.413274] Killed process 24634 (syz-executor.1) total-vm:72720kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1109.485561] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1109.498166] rsyslogd cpuset=/ mems_allowed=0-1 [ 1109.509712] CPU: 1 PID: 7104 Comm: rsyslogd Not tainted 4.14.167-syzkaller #0 [ 1109.517022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1109.526443] Call Trace: [ 1109.529020] dump_stack+0x142/0x197 [ 1109.532643] dump_header+0x177/0x6cd [ 1109.536377] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1109.541471] ? ___ratelimit+0x55/0x537 [ 1109.545347] oom_kill_process.cold+0x10/0xadd [ 1109.549946] ? oom_unkillable_task+0x294/0x390 [ 1109.554571] ? lock_downgrade+0x740/0x740 [ 1109.558714] out_of_memory+0x2ee/0x1180 [ 1109.562686] ? lock_acquire+0x16f/0x430 [ 1109.566646] ? oom_killer_disable+0x1d0/0x1d0 [ 1109.571121] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1109.576034] __alloc_pages_slowpath+0x2251/0x2930 [ 1109.580912] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1109.585754] ? warn_alloc+0xf0/0xf0 [ 1109.589421] ? __might_sleep+0x93/0xb0 [ 1109.593296] __alloc_pages_nodemask+0x62c/0x7a0 [ 1109.597949] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1109.602960] ? lock_downgrade+0x740/0x740 [ 1109.607100] alloc_pages_current+0xec/0x1e0 [ 1109.611419] __page_cache_alloc+0x248/0x3e0 [ 1109.615726] filemap_fault+0xcef/0x1de0 [ 1109.619687] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1109.624631] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1109.629285] ? lock_acquire+0x16f/0x430 [ 1109.633252] ? ext4_filemap_fault+0x7b/0xb0 [ 1109.637563] ext4_filemap_fault+0x83/0xb0 [ 1109.641693] __do_fault+0x104/0x390 [ 1109.645318] __handle_mm_fault+0x23bd/0x33d0 [ 1109.649864] ? copy_page_range+0x1de0/0x1de0 [ 1109.654256] ? find_held_lock+0x35/0x130 [ 1109.658330] ? handle_mm_fault+0x1b6/0x7c0 [ 1109.662558] handle_mm_fault+0x293/0x7c0 [ 1109.666616] __do_page_fault+0x4c1/0xb80 [ 1109.670672] ? vmalloc_fault+0xe30/0xe30 [ 1109.674715] ? page_fault+0x2f/0x50 [ 1109.678323] do_page_fault+0x71/0x511 [ 1109.682133] ? page_fault+0x2f/0x50 [ 1109.685757] page_fault+0x45/0x50 [ 1109.689211] RIP: 0033:0x7f3214100209 [ 1109.692903] RSP: 002b:00007f321169fe30 EFLAGS: 00010297 [ 1109.698295] RAX: 0000000000000000 RBX: 0000000001dce670 RCX: 00007f32141001fd [ 1109.705589] RDX: 0000000000000b34 RSI: 00007f3212ed45a0 RDI: 0000000000000000 [ 1109.712888] RBP: 0000000000000000 R08: 0000000001db9260 R09: 0000000000000000 [ 1109.720177] R10: 6b36313834333a73 R11: 0000000000000000 R12: 000000000065e420 [ 1109.727436] R13: 00007f32116a09c0 R14: 00007f3214745040 R15: 0000000000000003 [ 1109.759190] Mem-Info: [ 1109.761706] active_anon:155240 inactive_anon:483 isolated_anon:0 [ 1109.761706] active_file:233 inactive_file:184 isolated_file:0 [ 1109.761706] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1109.761706] slab_reclaimable:14697 slab_unreclaimable:116737 [ 1109.761706] mapped:52290 shmem:537 pagetables:3835 bounce:0 [ 1109.761706] free:13737 free_pcp:113 free_cma:0 [ 1109.797863] Node 0 active_anon:548092kB inactive_anon:1924kB active_file:936kB inactive_file:768kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1109.839458] Node 1 active_anon:72868kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1109.894654] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:16kB inactive_file:60kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1109.924605] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1109.929670] Node 0 DMA32 free:18152kB min:36380kB low:45472kB high:54564kB active_anon:548044kB inactive_anon:1924kB active_file:828kB inactive_file:756kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8992kB pagetables:13552kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1109.959298] lowmem_reserve[]: 0 0 0 0 0 [ 1109.963352] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1110.006309] lowmem_reserve[]: 0 0 0 0 0 [ 1110.011618] Node 1 Normal free:26508kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2976kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1110.040110] lowmem_reserve[]: 0 0 0 0 0 [ 1110.044112] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1110.059664] Node 0 DMA32: 2599*4kB (UME) 793*8kB (UME) 36*16kB (M) 12*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18148kB [ 1110.073789] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1110.089184] Node 1 Normal: 371*4kB (UME) 182*8kB (UME) 153*16kB (UM) 188*32kB (UME) 106*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26508kB [ 1110.129051] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1110.138933] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1110.148536] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1110.176197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1110.190872] 966 total pagecache pages [ 1110.194722] 0 pages in swap cache [ 1110.198168] Swap cache stats: add 0, delete 0, find 0/0 [ 1110.206093] Free swap = 0kB [ 1110.209134] Total swap = 0kB [ 1110.217607] 1965979 pages RAM [ 1110.220932] 0 pages HighMem/MovableOnly [ 1110.224899] 335869 pages reserved [ 1110.228339] 0 pages cma reserved [ 1110.256406] Out of memory: Kill process 24797 (syz-executor.4) score 1005 or sacrifice child [ 1110.278287] Killed process 24797 (syz-executor.4) total-vm:72588kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1110.325237] oom_reaper: reaped process 24797 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1110.369696] syz-executor.0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1110.424917] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1110.441815] CPU: 1 PID: 11876 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1110.449844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1110.459207] Call Trace: [ 1110.461808] dump_stack+0x142/0x197 [ 1110.465442] dump_header+0x177/0x6cd [ 1110.469162] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1110.474277] ? ___ratelimit+0x55/0x537 [ 1110.478221] oom_kill_process.cold+0x10/0xadd [ 1110.482813] ? oom_unkillable_task+0x294/0x390 [ 1110.487403] ? lock_downgrade+0x740/0x740 [ 1110.491594] out_of_memory+0x2ee/0x1180 [ 1110.495575] ? lock_acquire+0x16f/0x430 [ 1110.499564] ? oom_killer_disable+0x1d0/0x1d0 [ 1110.504068] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1110.509004] __alloc_pages_slowpath+0x2251/0x2930 [ 1110.513861] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1110.518712] ? warn_alloc+0xf0/0xf0 [ 1110.522351] ? __might_sleep+0x93/0xb0 [ 1110.526240] __alloc_pages_nodemask+0x62c/0x7a0 [ 1110.530920] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1110.535946] ? lock_downgrade+0x740/0x740 [ 1110.540106] alloc_pages_current+0xec/0x1e0 [ 1110.544449] __page_cache_alloc+0x248/0x3e0 [ 1110.548780] filemap_fault+0xcef/0x1de0 [ 1110.552756] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1110.557713] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1110.562390] ? lock_acquire+0x16f/0x430 [ 1110.566374] ? ext4_filemap_fault+0x7b/0xb0 [ 1110.570709] ext4_filemap_fault+0x83/0xb0 [ 1110.574869] __do_fault+0x104/0x390 [ 1110.578508] __handle_mm_fault+0x23bd/0x33d0 [ 1110.582918] ? copy_page_range+0x1de0/0x1de0 [ 1110.587325] ? find_held_lock+0x35/0x130 [ 1110.591388] ? handle_mm_fault+0x1b6/0x7c0 [ 1110.595634] handle_mm_fault+0x293/0x7c0 [ 1110.599693] __do_page_fault+0x4c1/0xb80 [ 1110.603762] ? vmalloc_fault+0xe30/0xe30 [ 1110.607910] ? page_fault+0x2f/0x50 [ 1110.611550] do_page_fault+0x71/0x511 [ 1110.615352] ? page_fault+0x2f/0x50 [ 1110.618975] page_fault+0x45/0x50 [ 1110.622423] RIP: 0033:0x41518a [ 1110.625722] RSP: 002b:00007ffd56835d98 EFLAGS: 00010246 [ 1110.631087] RAX: 0000000000000071 RBX: 0000000000d18940 RCX: 000000000041518a [ 1110.638358] RDX: 0000000040000000 RSI: 00007ffd56835dd0 RDI: ffffffffffffffff [ 1110.645627] RBP: 0000000000000b79 R08: 0000000000000001 R09: 0000000000000001 [ 1110.652902] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 1110.660171] R13: 00007ffd56835dd0 R14: 0000000000d1899b R15: 00007ffd56835de0 [ 1110.693837] Mem-Info: [ 1110.696287] active_anon:155212 inactive_anon:483 isolated_anon:0 [ 1110.696287] active_file:242 inactive_file:190 isolated_file:26 [ 1110.696287] unevictable:0 dirty:398 writeback:0 unstable:0 [ 1110.696287] slab_reclaimable:14697 slab_unreclaimable:116746 [ 1110.696287] mapped:52290 shmem:537 pagetables:3809 bounce:0 [ 1110.696287] free:13742 free_pcp:60 free_cma:0 [ 1110.721144] EXT4-fs error (device sda1): ext4_evict_inode:299: comm syz-executor.4: couldn't truncate inode 16658 (err -12) [ 1110.734476] Node 0 active_anon:547980kB inactive_anon:1924kB active_file:928kB inactive_file:788kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1560kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1110.785764] Node 1 active_anon:72868kB inactive_anon:8kB active_file:0kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1110.836689] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:16kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1110.874696] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1110.879776] Node 0 DMA32 free:18112kB min:36380kB low:45472kB high:54564kB active_anon:547932kB inactive_anon:1924kB active_file:892kB inactive_file:788kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8960kB pagetables:13448kB bounce:0kB free_pcp:80kB local_pcp:0kB free_cma:0kB [ 1110.928678] lowmem_reserve[]: 0 0 0 0 0 [ 1110.932845] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1110.994269] lowmem_reserve[]: 0 0 0 0 0 [ 1110.998577] Node 1 Normal free:27960kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:28kB inactive_file:12kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2944kB pagetables:1788kB bounce:0kB free_pcp:96kB local_pcp:96kB free_cma:0kB [ 1111.065891] lowmem_reserve[]: 0 0 0 0 0 [ 1111.069940] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1111.108011] Node 0 DMA32: 2609*4kB (UME) 792*8kB (ME) 36*16kB (M) 12*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18180kB [ 1111.135913] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1111.149728] Node 1 Normal: 360*4kB (UME) 182*8kB (UME) 169*16kB (UM) 192*32kB (UME) 107*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26912kB [ 1111.182587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1111.191672] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1111.209774] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1111.218781] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1111.227417] 969 total pagecache pages [ 1111.231282] 0 pages in swap cache [ 1111.234735] Swap cache stats: add 0, delete 0, find 0/0 [ 1111.242333] Free swap = 0kB [ 1111.245393] Total swap = 0kB [ 1111.248416] 1965979 pages RAM [ 1111.251667] 0 pages HighMem/MovableOnly [ 1111.255653] 335869 pages reserved [ 1111.259174] 0 pages cma reserved [ 1111.268236] Out of memory: Kill process 24833 (syz-executor.4) score 1005 or sacrifice child [ 1111.277072] Killed process 24833 (syz-executor.4) total-vm:72588kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1111.328611] oom_reaper: reaped process 24833 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1111.363889] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1111.376838] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1111.381733] CPU: 1 PID: 7249 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1111.389182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1111.398560] Call Trace: [ 1111.401165] dump_stack+0x142/0x197 [ 1111.404833] dump_header+0x177/0x6cd [ 1111.409580] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1111.414691] ? ___ratelimit+0x55/0x537 [ 1111.418695] oom_kill_process.cold+0x10/0xadd [ 1111.423194] ? oom_unkillable_task+0x294/0x390 [ 1111.427782] ? lock_downgrade+0x740/0x740 [ 1111.431942] out_of_memory+0x2ee/0x1180 [ 1111.435945] ? lock_acquire+0x16f/0x430 [ 1111.440119] ? oom_killer_disable+0x1d0/0x1d0 [ 1111.444618] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1111.449673] __alloc_pages_slowpath+0x2251/0x2930 [ 1111.454551] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1111.459491] ? warn_alloc+0xf0/0xf0 [ 1111.463135] ? __might_sleep+0x93/0xb0 [ 1111.467035] __alloc_pages_nodemask+0x62c/0x7a0 [ 1111.471726] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1111.476749] ? lock_downgrade+0x740/0x740 [ 1111.480916] alloc_pages_current+0xec/0x1e0 [ 1111.485245] __page_cache_alloc+0x248/0x3e0 [ 1111.489575] filemap_fault+0xcef/0x1de0 [ 1111.493714] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1111.498665] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1111.503338] ? lock_acquire+0x16f/0x430 [ 1111.507363] ? ext4_filemap_fault+0x7b/0xb0 [ 1111.511723] ext4_filemap_fault+0x83/0xb0 [ 1111.515877] __do_fault+0x104/0x390 [ 1111.519516] __handle_mm_fault+0x23bd/0x33d0 [ 1111.523943] ? copy_page_range+0x1de0/0x1de0 [ 1111.528363] ? find_held_lock+0x35/0x130 [ 1111.532437] ? handle_mm_fault+0x1b6/0x7c0 [ 1111.536685] handle_mm_fault+0x293/0x7c0 [ 1111.540753] __do_page_fault+0x4c1/0xb80 [ 1111.544824] ? vmalloc_fault+0xe30/0xe30 [ 1111.548896] ? page_fault+0x2f/0x50 [ 1111.552538] do_page_fault+0x71/0x511 [ 1111.556367] ? page_fault+0x2f/0x50 [ 1111.560015] page_fault+0x45/0x50 [ 1111.564053] RIP: 0033:0x45b153 [ 1111.567248] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206 [ 1111.572616] RAX: ffffffffffffff92 RBX: 000000003b4f37a3 RCX: 000000000045b153 [ 1111.579917] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e120a0 [ 1111.587191] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1111.594491] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c427908218 [ 1111.601766] R13: 000000000000007f R14: 0000000000c8b140 R15: 0000000000000213 [ 1111.638379] Mem-Info: [ 1111.640867] active_anon:155178 inactive_anon:483 isolated_anon:0 [ 1111.640867] active_file:272 inactive_file:181 isolated_file:0 [ 1111.640867] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1111.640867] slab_reclaimable:14697 slab_unreclaimable:116383 [ 1111.640867] mapped:52290 shmem:537 pagetables:3783 bounce:0 [ 1111.640867] free:13777 free_pcp:32 free_cma:0 [ 1111.689269] Node 0 active_anon:547844kB inactive_anon:1924kB active_file:824kB inactive_file:780kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1111.717445] Node 1 active_anon:72868kB inactive_anon:8kB active_file:92kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1111.759478] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:12kB inactive_file:40kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1111.789036] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1111.807120] Node 0 DMA32 free:18004kB min:36380kB low:45472kB high:54564kB active_anon:547796kB inactive_anon:1924kB active_file:800kB inactive_file:916kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8928kB pagetables:13344kB bounce:0kB free_pcp:240kB local_pcp:120kB free_cma:0kB [ 1111.848478] lowmem_reserve[]: 0 0 0 0 0 [ 1111.855509] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1111.887097] lowmem_reserve[]: 0 0 0 0 0 [ 1111.898163] Node 1 Normal free:26492kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:28kB inactive_file:40kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2848kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1111.955383] lowmem_reserve[]: 0 0 0 0 0 [ 1111.959432] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1111.974861] Node 0 DMA32: 2605*4kB (UME) 792*8kB (ME) 37*16kB (UM) 10*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18116kB [ 1111.988978] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1111.999776] Node 1 Normal: 363*4kB (ME) 182*8kB (UME) 152*16kB (M) 187*32kB (UME) 107*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26492kB [ 1112.016368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1112.025278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1112.033885] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1112.043245] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1112.057212] 968 total pagecache pages [ 1112.066636] 0 pages in swap cache [ 1112.072694] Swap cache stats: add 0, delete 0, find 0/0 [ 1112.078059] Free swap = 0kB [ 1112.081186] Total swap = 0kB [ 1112.084194] 1965979 pages RAM [ 1112.087277] 0 pages HighMem/MovableOnly [ 1112.091274] 335869 pages reserved [ 1112.094724] 0 pages cma reserved [ 1112.098106] Out of memory: Kill process 29011 (syz-executor.3) score 1005 or sacrifice child [ 1112.106792] Killed process 29011 (syz-executor.3) total-vm:72588kB, anon-rss:172kB, file-rss:34816kB, shmem-rss:0kB [ 1112.139981] oom_reaper: reaped process 29011 (syz-executor.3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1112.154120] kworker/0:0 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1112.166483] kworker/0:0 cpuset=/ mems_allowed=0-1 [ 1112.177009] CPU: 0 PID: 3 Comm: kworker/0:0 Not tainted 4.14.167-syzkaller #0 [ 1112.184319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1112.193702] Call Trace: [ 1112.196295] dump_stack+0x142/0x197 [ 1112.200078] dump_header+0x177/0x6cd [ 1112.203789] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1112.208881] ? ___ratelimit+0x55/0x537 [ 1112.212758] oom_kill_process.cold+0x10/0xadd [ 1112.217272] ? oom_unkillable_task+0x294/0x390 [ 1112.221848] ? lock_downgrade+0x740/0x740 [ 1112.226000] out_of_memory+0x2ee/0x1180 [ 1112.229967] ? lock_acquire+0x16f/0x430 [ 1112.233931] ? oom_killer_disable+0x1d0/0x1d0 [ 1112.238424] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1112.243339] __alloc_pages_slowpath+0x2251/0x2930 [ 1112.248174] ? warn_alloc+0xf0/0xf0 [ 1112.251799] ? __might_sleep+0x93/0xb0 [ 1112.255671] __alloc_pages_nodemask+0x62c/0x7a0 [ 1112.260322] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1112.265334] ? ____cache_alloc_node+0x1be/0x1d0 [ 1112.270010] ? cache_grow_begin+0x335/0x400 [ 1112.274323] cache_grow_begin+0x80/0x400 [ 1112.278380] ? __cpuset_node_allowed+0xff/0x450 [ 1112.283071] fallback_alloc+0x1fd/0x2c0 [ 1112.287028] ____cache_alloc_node+0x1be/0x1d0 [ 1112.291515] kmem_cache_alloc_trace+0x213/0x790 [ 1112.296168] ? __lockdep_init_map+0x10c/0x570 [ 1112.300654] ? process_one_work+0x1600/0x1600 [ 1112.305139] __kthread_create_on_node+0xe3/0x3e0 [ 1112.309875] ? kthread_park+0x140/0x140 [ 1112.313842] ? vsnprintf+0x290/0x1560 [ 1112.317677] ? process_one_work+0x1600/0x1600 [ 1112.322154] kthread_create_on_node+0xa8/0xd0 [ 1112.326650] ? __kthread_create_on_node+0x3e0/0x3e0 [ 1112.331702] ? vsprintf+0x40/0x40 [ 1112.335147] create_worker+0x245/0x530 [ 1112.339059] ? alloc_worker+0x1c0/0x1c0 [ 1112.343034] ? trace_hardirqs_on_caller+0x400/0x590 [ 1112.348048] worker_thread+0xa44/0x1050 [ 1112.352026] kthread+0x319/0x430 [ 1112.355373] ? process_one_work+0x1600/0x1600 [ 1112.359867] ? kthread_create_on_node+0xd0/0xd0 [ 1112.364532] ret_from_fork+0x24/0x30 [ 1112.371701] Mem-Info: [ 1112.374137] active_anon:155153 inactive_anon:483 isolated_anon:0 [ 1112.374137] active_file:253 inactive_file:201 isolated_file:0 [ 1112.374137] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1112.374137] slab_reclaimable:14698 slab_unreclaimable:116394 [ 1112.374137] mapped:52290 shmem:537 pagetables:3758 bounce:0 [ 1112.374137] free:13748 free_pcp:95 free_cma:0 [ 1112.451802] Node 0 active_anon:547744kB inactive_anon:1924kB active_file:904kB inactive_file:736kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1112.480057] Node 1 active_anon:72868kB inactive_anon:8kB active_file:48kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1112.507642] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:4kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1112.534133] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1112.539173] Node 0 DMA32 free:18076kB min:36380kB low:45472kB high:54564kB active_anon:547696kB inactive_anon:1924kB active_file:848kB inactive_file:712kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8928kB pagetables:13244kB bounce:0kB free_pcp:216kB local_pcp:0kB free_cma:0kB [ 1112.579178] lowmem_reserve[]: 0 0 0 0 0 [ 1112.583303] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1112.608659] lowmem_reserve[]: 0 0 0 0 0 [ 1112.612700] Node 1 Normal free:26508kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:60kB inactive_file:0kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2848kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1112.643211] lowmem_reserve[]: 0 0 0 0 0 [ 1112.647233] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1112.663989] Node 0 DMA32: 2609*4kB (UME) 797*8kB (UME) 38*16kB (UM) 11*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18220kB [ 1112.678243] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1112.700245] Node 1 Normal: 367*4kB (ME) 182*8kB (UME) 152*16kB (M) 187*32kB (UME) 107*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26508kB [ 1112.716390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1112.734561] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1112.743795] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1112.758321] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1112.767044] 968 total pagecache pages [ 1112.777073] 0 pages in swap cache [ 1112.787718] Swap cache stats: add 0, delete 0, find 0/0 [ 1112.793198] Free swap = 0kB [ 1112.796214] Total swap = 0kB [ 1112.799228] 1965979 pages RAM [ 1112.808142] 0 pages HighMem/MovableOnly [ 1112.817746] 335869 pages reserved [ 1112.821309] 0 pages cma reserved [ 1112.824672] Out of memory: Kill process 3044 (syz-executor.0) score 1005 or sacrifice child [ 1112.834330] Killed process 3044 (syz-executor.0) total-vm:72588kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1112.892899] oom_reaper: reaped process 3044 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1112.963444] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1112.976388] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1112.981250] CPU: 0 PID: 7248 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1112.988692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1112.998039] Call Trace: [ 1113.000634] dump_stack+0x142/0x197 [ 1113.004265] ? perf_trace_drv_tdls_recv_channel_switch+0x540/0xd90 [ 1113.010589] dump_header+0x177/0x6cd [ 1113.014297] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1113.019382] ? ___ratelimit+0x55/0x537 [ 1113.023254] oom_kill_process.cold+0x10/0xadd [ 1113.027910] ? oom_unkillable_task+0x294/0x390 [ 1113.032477] ? lock_downgrade+0x740/0x740 [ 1113.036644] out_of_memory+0x2ee/0x1180 [ 1113.040599] ? lock_acquire+0x16f/0x430 [ 1113.044587] ? oom_killer_disable+0x1d0/0x1d0 [ 1113.049059] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1113.053977] __alloc_pages_slowpath+0x2251/0x2930 [ 1113.058802] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1113.063625] ? warn_alloc+0xf0/0xf0 [ 1113.067246] ? __might_sleep+0x93/0xb0 [ 1113.071291] __alloc_pages_nodemask+0x62c/0x7a0 [ 1113.076040] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1113.081035] ? lock_downgrade+0x740/0x740 [ 1113.085166] alloc_pages_current+0xec/0x1e0 [ 1113.089468] __page_cache_alloc+0x248/0x3e0 [ 1113.093779] filemap_fault+0xcef/0x1de0 [ 1113.097741] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1113.102653] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1113.107316] ? lock_acquire+0x16f/0x430 [ 1113.111266] ? ext4_filemap_fault+0x7b/0xb0 [ 1113.115572] ext4_filemap_fault+0x83/0xb0 [ 1113.119696] __do_fault+0x104/0x390 [ 1113.123308] __handle_mm_fault+0x23bd/0x33d0 [ 1113.127696] ? copy_page_range+0x1de0/0x1de0 [ 1113.132083] ? find_held_lock+0x35/0x130 [ 1113.136121] ? handle_mm_fault+0x1b6/0x7c0 [ 1113.140340] handle_mm_fault+0x293/0x7c0 [ 1113.144378] __do_page_fault+0x4c1/0xb80 [ 1113.148418] ? vmalloc_fault+0xe30/0xe30 [ 1113.152466] ? page_fault+0x2f/0x50 [ 1113.156070] do_page_fault+0x71/0x511 [ 1113.159848] ? page_fault+0x2f/0x50 [ 1113.163454] page_fault+0x45/0x50 [ 1113.166885] RIP: 0033:0x40ec10 [ 1113.170058] RSP: 002b:000000c42004fee0 EFLAGS: 00010216 [ 1113.175408] RAX: 0000000001e2bbd8 RBX: 0000000000000006 RCX: 000000c420000480 [ 1113.182655] RDX: 0000000022964e6e RSI: 000000c42004ff10 RDI: 000000c42004feec [ 1113.189907] RBP: 000000c42004ff18 R08: 00007fffb93ee000 R09: 00000117240ba8b2 [ 1113.197157] R10: 00114b2737000000 R11: 0000000000000001 R12: 000000000042f0a0 [ 1113.204411] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 1113.218007] Mem-Info: [ 1113.220480] active_anon:155110 inactive_anon:483 isolated_anon:0 [ 1113.220480] active_file:214 inactive_file:217 isolated_file:0 [ 1113.220480] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1113.220480] slab_reclaimable:14698 slab_unreclaimable:116407 [ 1113.220480] mapped:52290 shmem:537 pagetables:3732 bounce:0 [ 1113.220480] free:13774 free_pcp:26 free_cma:0 [ 1113.279895] Node 0 active_anon:547572kB inactive_anon:1924kB active_file:840kB inactive_file:776kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1113.319875] Node 1 active_anon:72868kB inactive_anon:8kB active_file:0kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1113.365461] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:16kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1113.396720] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1113.414607] Node 0 DMA32 free:18176kB min:36380kB low:45472kB high:54564kB active_anon:547524kB inactive_anon:1924kB active_file:924kB inactive_file:740kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8928kB pagetables:13140kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1113.450779] lowmem_reserve[]: 0 0 0 0 0 [ 1113.454800] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1113.499280] lowmem_reserve[]: 0 0 0 0 0 [ 1113.508665] Node 1 Normal free:26512kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:8kB inactive_file:40kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2848kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1113.540409] lowmem_reserve[]: 0 0 0 0 0 [ 1113.544430] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1113.559881] Node 0 DMA32: 2598*4kB (ME) 792*8kB (ME) 36*16kB (M) 9*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18040kB [ 1113.573773] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1113.584555] Node 1 Normal: 369*4kB (ME) 182*8kB (UME) 152*16kB (M) 187*32kB (UME) 107*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26516kB [ 1113.626448] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1113.636205] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1113.654335] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1113.663288] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1113.677595] 967 total pagecache pages [ 1113.681503] 0 pages in swap cache [ 1113.684952] Swap cache stats: add 0, delete 0, find 0/0 [ 1113.695820] Free swap = 0kB [ 1113.698857] Total swap = 0kB [ 1113.701918] 1965979 pages RAM [ 1113.705020] 0 pages HighMem/MovableOnly [ 1113.708987] 335869 pages reserved [ 1113.718794] 0 pages cma reserved [ 1113.728016] Out of memory: Kill process 23582 (syz-executor.1) score 1005 or sacrifice child [ 1113.744272] Killed process 23582 (syz-executor.1) total-vm:72588kB, anon-rss:164kB, file-rss:34816kB, shmem-rss:0kB [ 1113.806187] oom_reaper: reaped process 23582 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1113.887447] kworker/0:2 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1113.909448] kworker/0:2 cpuset=/ mems_allowed=0-1 [ 1113.914407] CPU: 0 PID: 2866 Comm: kworker/0:2 Not tainted 4.14.167-syzkaller #0 [ 1113.921947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1113.931372] Workqueue: md_misc mddev_delayed_delete [ 1113.936395] Call Trace: [ 1113.938994] dump_stack+0x142/0x197 [ 1113.942641] dump_header+0x177/0x6cd [ 1113.946361] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1113.951470] ? ___ratelimit+0x55/0x537 [ 1113.955359] oom_kill_process.cold+0x10/0xadd [ 1113.959851] ? oom_unkillable_task+0x294/0x390 [ 1113.964431] ? lock_downgrade+0x740/0x740 [ 1113.968582] out_of_memory+0x2ee/0x1180 [ 1113.972554] ? lock_acquire+0x16f/0x430 [ 1113.976535] ? oom_killer_disable+0x1d0/0x1d0 [ 1113.981036] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1113.985974] __alloc_pages_slowpath+0x2251/0x2930 [ 1113.990842] ? warn_alloc+0xf0/0xf0 [ 1113.994478] ? __might_sleep+0x93/0xb0 [ 1113.998373] __alloc_pages_nodemask+0x62c/0x7a0 [ 1114.003049] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1114.008110] ? cache_grow_begin+0x335/0x400 [ 1114.012541] cache_grow_begin+0x80/0x400 [ 1114.016604] ? __cpuset_node_allowed+0xff/0x450 [ 1114.021280] fallback_alloc+0x1fd/0x2c0 [ 1114.025258] ____cache_alloc_node+0x1be/0x1d0 [ 1114.029760] kmem_cache_alloc_node+0xe3/0x780 [ 1114.034271] __alloc_skb+0x9c/0x500 [ 1114.037900] ? skb_trim+0x180/0x180 [ 1114.041535] ? netlink_has_listeners+0x20a/0x330 [ 1114.046295] kobject_uevent_env+0x6ea/0xc80 [ 1114.050620] ? wait_for_completion+0x420/0x420 [ 1114.055212] kobject_uevent+0x20/0x30 [ 1114.059021] device_del+0x65c/0xaa0 [ 1114.062658] ? __device_links_no_driver+0x220/0x220 [ 1114.067680] ? synchronize_srcu+0x233/0x3e2 [ 1114.072001] ? simple_release_fs+0x8c/0xb0 [ 1114.076239] device_unregister+0x15/0x30 [ 1114.080135] aoe: skb alloc failure [ 1114.080338] bdi_unregister+0x42b/0x600 [ 1114.080349] ? wb_blkcg_offline+0x180/0x180 [ 1114.080360] ? kernfs_find_ns+0x1b5/0x290 [ 1114.084158] aoe: skb alloc failure [ 1114.088096] ? mutex_unlock+0xd/0x10 [ 1114.092454] aoe: skb alloc failure [ 1114.096542] ? kernfs_remove_by_name_ns+0x6b/0x90 [ 1114.100140] aoe: skb alloc failure [ 1114.103759] del_gendisk+0x405/0x820 [ 1114.107291] aoe: skb alloc failure [ 1114.112113] ? disk_events_poll_msecs_store+0x150/0x150 [ 1114.112129] ? blk_cleanup_queue+0x446/0x610 [ 1114.112145] md_free+0xc8/0x140 [ 1114.115704] aoe: skb alloc failure [ 1114.119380] ? lock_rdev+0x110/0x110 [ 1114.119395] kobject_put+0x14e/0x210 [ 1114.122983] aoe: skb alloc failure [ 1114.128262] mddev_delayed_delete+0x34/0x40 [ 1114.132729] aoe: skb alloc failure [ 1114.135932] process_one_work+0x863/0x1600 [ 1114.139461] aoe: skb alloc failure [ 1114.143147] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1114.143164] worker_thread+0x5d9/0x1050 [ 1114.143192] kthread+0x319/0x430 [ 1114.146915] aoe: skb alloc failure [ 1114.150422] ? process_one_work+0x1600/0x1600 [ 1114.150431] ? kthread_create_on_node+0xd0/0xd0 [ 1114.150443] ret_from_fork+0x24/0x30 [ 1114.194529] aoe: skb alloc failure [ 1114.198103] aoe: skb alloc failure [ 1114.201668] aoe: skb alloc failure [ 1114.205200] aoe: skb alloc failure [ 1114.208730] aoe: skb alloc failure [ 1114.212285] aoe: skb alloc failure [ 1114.215815] aoe: skb alloc failure [ 1114.219347] aoe: skb alloc failure [ 1114.222928] aoe: skb alloc failure [ 1114.226462] aoe: skb alloc failure [ 1114.230070] aoe: skb alloc failure [ 1114.233635] aoe: skb alloc failure [ 1114.237186] aoe: skb alloc failure [ 1114.240752] aoe: skb alloc failure [ 1114.244333] aoe: skb alloc failure [ 1114.247898] aoe: skb alloc failure [ 1114.251474] aoe: skb alloc failure [ 1114.255014] aoe: skb alloc failure [ 1114.258545] aoe: skb alloc failure [ 1114.262161] aoe: skb alloc failure [ 1114.265699] aoe: skb alloc failure [ 1114.269231] aoe: skb alloc failure [ 1114.272891] aoe: skb alloc failure [ 1114.276439] aoe: skb alloc failure [ 1114.280069] aoe: skb alloc failure [ 1114.283608] aoe: skb alloc failure [ 1114.287159] aoe: skb alloc failure [ 1114.290721] aoe: skb alloc failure [ 1114.294253] aoe: skb alloc failure [ 1114.297805] aoe: skb alloc failure [ 1114.301382] aoe: skb alloc failure [ 1114.304937] aoe: skb alloc failure [ 1114.308494] aoe: skb alloc failure [ 1114.312054] aoe: skb alloc failure [ 1114.315591] aoe: skb alloc failure [ 1114.319143] aoe: skb alloc failure [ 1114.322700] aoe: skb alloc failure [ 1114.326228] aoe: skb alloc failure [ 1114.329905] aoe: skb alloc failure [ 1114.333503] aoe: skb alloc failure [ 1114.337036] aoe: skb alloc failure [ 1114.340622] aoe: skb alloc failure [ 1114.344192] aoe: skb alloc failure [ 1114.347725] aoe: skb alloc failure [ 1114.351448] aoe: skb alloc failure [ 1114.403833] Mem-Info: [ 1114.406284] active_anon:155079 inactive_anon:483 isolated_anon:0 [ 1114.406284] active_file:237 inactive_file:194 isolated_file:0 [ 1114.406284] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1114.406284] slab_reclaimable:14698 slab_unreclaimable:116409 [ 1114.406284] mapped:52290 shmem:537 pagetables:3695 bounce:0 [ 1114.406284] free:13755 free_pcp:75 free_cma:0 [ 1114.445208] Node 0 active_anon:547448kB inactive_anon:1924kB active_file:932kB inactive_file:744kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1114.499975] Node 1 active_anon:72868kB inactive_anon:8kB active_file:16kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1114.534335] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:16kB inactive_file:52kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1114.561052] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1114.566124] Node 0 DMA32 free:18124kB min:36380kB low:45472kB high:54564kB active_anon:547400kB inactive_anon:1924kB active_file:916kB inactive_file:752kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8928kB pagetables:12992kB bounce:0kB free_pcp:288kB local_pcp:92kB free_cma:0kB [ 1114.606676] lowmem_reserve[]: 0 0 0 0 0 [ 1114.623430] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1114.653700] lowmem_reserve[]: 0 0 0 0 0 [ 1114.657738] Node 1 Normal free:26512kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:16kB inactive_file:32kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2848kB pagetables:1788kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 1114.691976] lowmem_reserve[]: 0 0 0 0 0 [ 1114.696020] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1114.735330] Node 0 DMA32: 2576*4kB (UME) 806*8kB (UME) 38*16kB (UM) 11*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18160kB [ 1114.749613] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1114.760433] Node 1 Normal: 369*4kB (ME) 182*8kB (UME) 152*16kB (M) 187*32kB (UME) 107*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26516kB [ 1114.780809] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1114.789826] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1114.798458] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1114.808688] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1114.817364] 967 total pagecache pages [ 1114.827907] 0 pages in swap cache [ 1114.858702] Swap cache stats: add 0, delete 0, find 0/0 [ 1114.864254] Free swap = 0kB [ 1114.867281] Total swap = 0kB [ 1114.875722] 1965979 pages RAM [ 1114.878845] 0 pages HighMem/MovableOnly [ 1114.899011] 335869 pages reserved [ 1114.903787] 0 pages cma reserved [ 1114.907174] Out of memory: Kill process 24167 (syz-executor.1) score 1005 or sacrifice child [ 1114.921616] Killed process 24167 (syz-executor.1) total-vm:72588kB, anon-rss:164kB, file-rss:34816kB, shmem-rss:0kB [ 1114.969520] oom_reaper: reaped process 24167 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1114.980376] syz-executor.0: page allocation failure: order:0, mode:0x1404040(GFP_NOFS|__GFP_COMP), nodemask=(null) [ 1115.005992] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1115.011694] CPU: 0 PID: 24143 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1115.019580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1115.028935] Call Trace: [ 1115.031523] dump_stack+0x142/0x197 [ 1115.035155] warn_alloc.cold+0x96/0x1af [ 1115.039139] ? zone_watermark_ok_safe+0x2b0/0x2b0 [ 1115.043991] ? trace_hardirqs_on_caller+0x400/0x590 [ 1115.049025] __alloc_pages_slowpath+0x23c6/0x2930 [ 1115.053887] ? warn_alloc+0xf0/0xf0 [ 1115.057522] ? __might_sleep+0x93/0xb0 [ 1115.059469] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask= [ 1115.061418] __alloc_pages_nodemask+0x62c/0x7a0 [ 1115.061432] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1115.061444] ? cache_grow_begin+0x335/0x400 [ 1115.061457] cache_grow_begin+0x80/0x400 [ 1115.061465] ? __cpuset_node_allowed+0xff/0x450 [ 1115.061476] fallback_alloc+0x1fd/0x2c0 [ 1115.061491] ____cache_alloc_node+0x1be/0x1d0 [ 1115.061502] __kmalloc+0x21a/0x7a0 [ 1115.061515] ? ext4_ext_remove_space+0x17c5/0x3b10 [ 1115.061525] ext4_ext_remove_space+0x17c5/0x3b10 [ 1115.061536] ? save_trace+0x290/0x290 [ 1115.120631] ? ext4_es_remove_extent+0x9f/0x330 [ 1115.125409] ? find_held_lock+0x35/0x130 [ 1115.129488] ? ext4_ext_index_trans_blocks+0x130/0x130 [ 1115.134763] ? lock_downgrade+0x740/0x740 [ 1115.138913] ? _raw_write_unlock+0x2d/0x50 [ 1115.143150] ? ext4_es_remove_extent+0xa4/0x330 [ 1115.147826] ext4_ext_truncate+0x19e/0x1f0 [ 1115.152062] ext4_truncate+0xbab/0x11f0 [ 1115.156038] ? ext4_punch_hole+0x1100/0x1100 [ 1115.160452] ? __ext4_journal_start_sb+0x105/0x450 [ 1115.165383] ? ext4_evict_inode+0x738/0x15d0 [ 1115.169793] ext4_evict_inode+0x8c1/0x15d0 [ 1115.174036] ? ext4_da_write_begin+0xea0/0xea0 [ 1115.178715] ? _raw_spin_unlock+0x2d/0x50 [ 1115.182862] ? ext4_da_write_begin+0xea0/0xea0 [ 1115.187455] evict+0x2e6/0x630 [ 1115.190647] ? do_raw_spin_unlock+0x174/0x260 [ 1115.195148] iput+0x471/0x900 [ 1115.195681] (null) [ 1115.198245] ? ext4_nfs_commit_metadata+0x2f0/0x2f0 [ 1115.198253] , order=0, oom_score_adj=0 [ 1115.200394] dentry_unlink_inode+0x286/0x340 [ 1115.200405] __dentry_kill+0x32e/0x580 [ 1115.200412] ? dput.part.0+0x2a/0x750 [ 1115.200420] ? dput.part.0+0x2a/0x750 [ 1115.200427] dput.part.0+0x4e3/0x750 [ 1115.200437] dput+0x20/0x30 [ 1115.200447] path_put+0x31/0x70 [ 1115.200456] free_fs_struct+0x25/0x70 [ 1115.200463] exit_fs+0xe7/0x120 [ 1115.200475] do_exit+0x9f4/0x2cd0 [ 1115.228260] syz-fuzzer cpuset= [ 1115.228982] ? get_signal+0x319/0x1cd0 [ 1115.252719] ? mm_update_next_owner+0x5d0/0x5d0 [ 1115.257407] do_group_exit+0x111/0x330 [ 1115.261304] get_signal+0x381/0x1cd0 [ 1115.265020] ? trace_hardirqs_on+0x10/0x10 [ 1115.269265] ? save_trace+0x290/0x290 [ 1115.273075] do_signal+0x86/0x19a0 [ 1115.275732] / mems_allowed=0-1 [ 1115.276623] ? setup_sigcontext+0x7d0/0x7d0 [ 1115.276636] ? check_preemption_disabled+0x3c/0x250 [ 1115.289146] ? check_preemption_disabled+0x3c/0x250 [ 1115.294160] ? debug_smp_processor_id+0x1c/0x20 [ 1115.298854] ? perf_trace_sys_exit+0x294/0x400 [ 1115.303443] ? check_preemption_disabled+0x3c/0x250 [ 1115.308465] ? exit_to_usermode_loop+0x3d/0x220 [ 1115.313150] exit_to_usermode_loop+0x15c/0x220 [ 1115.317740] do_syscall_64+0x4bc/0x640 [ 1115.321640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1115.326494] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1115.331683] RIP: 0033:0x45b349 [ 1115.334872] RSP: 002b:00007f328d4eccf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1115.342578] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 000000000045b349 [ 1115.353069] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 1115.360343] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1115.367728] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 1115.375007] R13: 00007ffd56835b6f R14: 00007f328d4ed9c0 R15: 000000000075bf2c [ 1115.405730] CPU: 1 PID: 7252 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1115.413207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1115.422568] Call Trace: [ 1115.425165] dump_stack+0x142/0x197 [ 1115.428803] dump_header+0x177/0x6cd [ 1115.432521] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1115.437624] ? ___ratelimit+0x55/0x537 [ 1115.441516] oom_kill_process.cold+0x10/0xadd [ 1115.446017] ? oom_unkillable_task+0x294/0x390 [ 1115.449054] Mem-Info: [ 1115.450610] ? lock_downgrade+0x740/0x740 [ 1115.450625] out_of_memory+0x2ee/0x1180 [ 1115.450632] ? lock_acquire+0x16f/0x430 [ 1115.450648] ? oom_killer_disable+0x1d0/0x1d0 [ 1115.453057] active_anon:155050 inactive_anon:483 isolated_anon:0 [ 1115.453057] active_file:233 inactive_file:207 isolated_file:0 [ 1115.453057] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1115.453057] slab_reclaimable:14698 slab_unreclaimable:116436 [ 1115.453057] mapped:52290 shmem:537 pagetables:3669 bounce:0 [ 1115.453057] free:13791 free_pcp:58 free_cma:0 [ 1115.457180] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1115.461200] Node 0 active_anon:547332kB inactive_anon:1924kB active_file:912kB inactive_file:808kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1115.465138] __alloc_pages_slowpath+0x2251/0x2930 [ 1115.469641] Node 1 active_anon:72868kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1115.502977] ? __alloc_pages_nodemask+0x3d1/0x7a0 [ 1115.502990] ? warn_alloc+0xf0/0xf0 [ 1115.503008] ? __might_sleep+0x93/0xb0 [ 1115.503019] __alloc_pages_nodemask+0x62c/0x7a0 [ 1115.507948] Node 0 [ 1115.535984] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1115.535995] ? lock_downgrade+0x740/0x740 [ 1115.536012] alloc_pages_current+0xec/0x1e0 [ 1115.536024] __page_cache_alloc+0x248/0x3e0 [ 1115.540922] DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1115.567169] filemap_fault+0xcef/0x1de0 [ 1115.567179] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1115.567196] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1115.567207] ? lock_acquire+0x16f/0x430 [ 1115.572085] lowmem_reserve[]: [ 1115.575669] ? ext4_filemap_fault+0x7b/0xb0 [ 1115.579529] 0 [ 1115.584217] ext4_filemap_fault+0x83/0xb0 [ 1115.584229] __do_fault+0x104/0x390 [ 1115.584243] __handle_mm_fault+0x23bd/0x33d0 [ 1115.586467] 2569 [ 1115.591471] ? copy_page_range+0x1de0/0x1de0 [ 1115.591481] ? find_held_lock+0x35/0x130 [ 1115.591491] ? handle_mm_fault+0x1b6/0x7c0 [ 1115.595626] 2569 [ 1115.599962] handle_mm_fault+0x293/0x7c0 [ 1115.604290] 2569 [ 1115.630119] __do_page_fault+0x4c1/0xb80 [ 1115.630131] ? vmalloc_fault+0xe30/0xe30 [ 1115.630142] ? page_fault+0x2f/0x50 [ 1115.630151] do_page_fault+0x71/0x511 [ 1115.630160] ? page_fault+0x2f/0x50 [ 1115.634123] 2569 [ 1115.639090] page_fault+0x45/0x50 [ 1115.643775] Node 0 [ 1115.647689] RIP: 0033:0x410382 [ 1115.650824] DMA32 free:18264kB min:36380kB low:45472kB high:54564kB active_anon:547284kB inactive_anon:1924kB active_file:972kB inactive_file:664kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8928kB pagetables:12888kB bounce:0kB free_pcp:232kB local_pcp:0kB free_cma:0kB [ 1115.655097] RSP: 002b:000000c436c09a10 EFLAGS: 00010283 [ 1115.656882] lowmem_reserve[]: 0 [ 1115.661028] RAX: 00007fb6aba1d6c8 RBX: 0000000000000000 RCX: 000000c420000180 [ 1115.661033] RDX: 000000c42013a800 RSI: 0000000000000030 RDI: 0000000000884100 [ 1115.661037] RBP: 000000c436c09aa0 R08: 0000000000000000 R09: 0000000000000006 [ 1115.661042] R10: 0000000000c6cd80 R11: 0000000000000000 R12: 0000000000000000 [ 1115.661046] R13: 000000c436c09bf8 R14: 000000c436c09bf8 R15: 0000000000000000 [ 1115.727543] Mem-Info: [ 1115.874908] 0 0 0 0 [ 1115.877282] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1115.887224] active_anon:155050 inactive_anon:483 isolated_anon:0 [ 1115.887224] active_file:213 inactive_file:219 isolated_file:0 [ 1115.887224] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1115.887224] slab_reclaimable:14698 slab_unreclaimable:116436 [ 1115.887224] mapped:52290 shmem:537 pagetables:3669 bounce:0 [ 1115.887224] free:13809 free_pcp:0 free_cma:0 [ 1115.948736] Node 0 active_anon:547332kB inactive_anon:1924kB active_file:728kB inactive_file:784kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1115.986986] Node 1 active_anon:72868kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1116.030378] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:44kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1116.039603] lowmem_reserve[]: [ 1116.075486] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1116.085441] 0 0 0 0 0 [ 1116.087981] Node 1 Normal free:26516kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2848kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1116.131576] Node 0 DMA32 free:18012kB min:36380kB low:45472kB high:54564kB active_anon:547252kB inactive_anon:1924kB active_file:872kB inactive_file:612kB unevictable:0kB writepending:1516kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8896kB pagetables:12932kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1116.134717] lowmem_reserve[]: [ 1116.170422] lowmem_reserve[]: 0 0 0 0 0 [ 1116.177549] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1116.178468] 0 [ 1116.205951] lowmem_reserve[]: 0 0 0 0 0 [ 1116.212896] Node 1 Normal free:26524kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2848kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1116.230979] 0 [ 1116.256556] lowmem_reserve[]: 0 0 0 0 0 [ 1116.262636] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1116.278938] 0 0 0 [ 1116.283235] Node 0 DMA32: 2596*4kB (UME) 792*8kB (ME) 36*16kB (M) 6*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17936kB [ 1116.303772] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1116.315105] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1116.320510] Node 1 Normal: 371*4kB (ME) 182*8kB (UME) 152*16kB (M) 187*32kB (UME) 107*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26524kB [ 1116.356661] Node 0 DMA32: 2595*4kB (ME) 798*8kB (UME) 40*16kB (UM) 10*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18172kB [ 1116.368053] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1116.392653] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1116.395660] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1116.415724] Node 1 Normal: 371*4kB (ME) 182*8kB (UME) 152*16kB (M) 187*32kB (UME) 107*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26524kB [ 1116.424519] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1116.449424] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1116.452158] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1116.468551] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1116.482694] 968 total pagecache pages [ 1116.486520] 0 pages in swap cache [ 1116.489542] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1116.489981] Swap cache stats: add 0, delete 0, find 0/0 [ 1116.500435] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1116.528307] Free swap = 0kB [ 1116.530927] 968 total pagecache pages [ 1116.535276] 0 pages in swap cache [ 1116.538854] Swap cache stats: add 0, delete 0, find 0/0 [ 1116.549288] Total swap = 0kB [ 1116.557199] Free swap = 0kB [ 1116.557931] 1965979 pages RAM [ 1116.561647] Total swap = 0kB [ 1116.566857] 1965979 pages RAM [ 1116.583641] 0 pages HighMem/MovableOnly [ 1116.587642] 335869 pages reserved [ 1116.595441] 0 pages HighMem/MovableOnly [ 1116.596091] 0 pages cma reserved [ 1116.599426] 335869 pages reserved [ 1116.599431] 0 pages cma reserved [ 1116.607601] EXT4-fs error (device sda1): ext4_evict_inode:299: comm syz-executor.0: couldn't truncate inode 16973 (err -12) [ 1116.628271] Out of memory: Kill process 24178 (syz-executor.1) score 1005 or sacrifice child [ 1116.648242] Killed process 24178 (syz-executor.1) total-vm:72588kB, anon-rss:164kB, file-rss:34816kB, shmem-rss:0kB [ 1116.709901] oom_reaper: reaped process 24178 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1116.813824] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1116.826537] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1116.836708] CPU: 1 PID: 7248 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1116.844174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1116.853537] Call Trace: [ 1116.856177] dump_stack+0x142/0x197 [ 1116.859826] ? perf_trace_drv_tdls_recv_channel_switch+0x540/0xd90 [ 1116.866156] dump_header+0x177/0x6cd [ 1116.869978] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1116.875081] ? ___ratelimit+0x55/0x537 [ 1116.878975] oom_kill_process.cold+0x10/0xadd [ 1116.883471] ? oom_unkillable_task+0x294/0x390 [ 1116.888063] ? lock_downgrade+0x740/0x740 [ 1116.892218] out_of_memory+0x2ee/0x1180 [ 1116.896187] ? lock_acquire+0x16f/0x430 [ 1116.900170] ? oom_killer_disable+0x1d0/0x1d0 [ 1116.904679] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1116.909621] __alloc_pages_slowpath+0x2251/0x2930 [ 1116.914480] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1116.919344] ? warn_alloc+0xf0/0xf0 [ 1116.923021] ? __might_sleep+0x93/0xb0 [ 1116.926926] __alloc_pages_nodemask+0x62c/0x7a0 [ 1116.931603] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1116.936625] ? lock_downgrade+0x740/0x740 [ 1116.940785] alloc_pages_current+0xec/0x1e0 [ 1116.945109] __page_cache_alloc+0x248/0x3e0 [ 1116.949444] filemap_fault+0xcef/0x1de0 [ 1116.953456] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1116.958395] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1116.963079] ? lock_acquire+0x16f/0x430 [ 1116.967061] ? ext4_filemap_fault+0x7b/0xb0 [ 1116.971406] ext4_filemap_fault+0x83/0xb0 [ 1116.975559] __do_fault+0x104/0x390 [ 1116.979190] __handle_mm_fault+0x23bd/0x33d0 [ 1116.983606] ? copy_page_range+0x1de0/0x1de0 [ 1116.988016] ? find_held_lock+0x35/0x130 [ 1116.992087] ? handle_mm_fault+0x1b6/0x7c0 [ 1116.996372] handle_mm_fault+0x293/0x7c0 [ 1117.000445] __do_page_fault+0x4c1/0xb80 [ 1117.004509] ? vmalloc_fault+0xe30/0xe30 [ 1117.008584] ? page_fault+0x2f/0x50 [ 1117.012224] do_page_fault+0x71/0x511 [ 1117.016033] ? page_fault+0x2f/0x50 [ 1117.019674] page_fault+0x45/0x50 [ 1117.023126] RIP: 0033:0x40ec10 [ 1117.026313] RSP: 002b:000000c42004fee0 EFLAGS: 00010216 [ 1117.031677] RAX: 0000000001e2bbd8 RBX: 0000000000000006 RCX: 000000c420000480 [ 1117.038954] RDX: 0000000022964e6e RSI: 000000c42004ff10 RDI: 000000c42004feec [ 1117.046237] RBP: 000000c42004ff18 R08: 00007fffb93ee000 R09: 00000117240ba8b2 [ 1117.053511] R10: 00114b2737000000 R11: 0000000000000001 R12: 000000000042f0a0 [ 1117.060898] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 1117.105223] Mem-Info: [ 1117.107981] active_anon:155009 inactive_anon:483 isolated_anon:0 [ 1117.107981] active_file:243 inactive_file:191 isolated_file:32 [ 1117.107981] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1117.107981] slab_reclaimable:14700 slab_unreclaimable:116447 [ 1117.107981] mapped:52290 shmem:537 pagetables:3654 bounce:0 [ 1117.107981] free:13742 free_pcp:55 free_cma:0 [ 1117.141623] Node 0 active_anon:547168kB inactive_anon:1924kB active_file:828kB inactive_file:836kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1117.169824] Node 1 active_anon:72868kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1117.228855] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:48kB inactive_file:12kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1117.261192] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1117.266404] Node 0 DMA32 free:18156kB min:36380kB low:45472kB high:54564kB active_anon:547120kB inactive_anon:1924kB active_file:900kB inactive_file:748kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8864kB pagetables:12828kB bounce:0kB free_pcp:228kB local_pcp:108kB free_cma:0kB [ 1117.297322] lowmem_reserve[]: 0 0 0 0 0 [ 1117.309076] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1117.363518] lowmem_reserve[]: 0 0 0 0 0 [ 1117.367563] Node 1 Normal free:26524kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2848kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1117.396246] lowmem_reserve[]: 0 0 0 0 0 [ 1117.400295] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1117.415848] Node 0 DMA32: 2595*4kB (UME) 793*8kB (UME) 39*16kB (UM) 12*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18180kB [ 1117.430857] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1117.441679] Node 1 Normal: 371*4kB (ME) 182*8kB (UME) 152*16kB (M) 187*32kB (UME) 107*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26524kB [ 1117.457711] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1117.484310] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1117.494189] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1117.503096] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1117.511747] 969 total pagecache pages [ 1117.515586] 0 pages in swap cache [ 1117.519015] Swap cache stats: add 0, delete 0, find 0/0 [ 1117.524410] Free swap = 0kB [ 1117.527424] Total swap = 0kB [ 1117.530904] 1965979 pages RAM [ 1117.534006] 0 pages HighMem/MovableOnly [ 1117.538014] 335869 pages reserved [ 1117.541501] 0 pages cma reserved [ 1117.544856] Out of memory: Kill process 24194 (syz-executor.1) score 1005 or sacrifice child [ 1117.553531] Killed process 24194 (syz-executor.1) total-vm:72588kB, anon-rss:164kB, file-rss:34816kB, shmem-rss:0kB [ 1117.624541] oom_reaper: reaped process 24194 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1117.640288] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1117.656654] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1117.661509] CPU: 0 PID: 7248 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1117.668952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1117.678298] Call Trace: [ 1117.680884] dump_stack+0x142/0x197 [ 1117.684490] ? perf_trace_drv_tdls_recv_channel_switch+0x540/0xd90 [ 1117.690792] dump_header+0x177/0x6cd [ 1117.694499] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1117.699583] ? ___ratelimit+0x55/0x537 [ 1117.703455] oom_kill_process.cold+0x10/0xadd [ 1117.707954] ? oom_unkillable_task+0x294/0x390 [ 1117.713397] ? lock_downgrade+0x740/0x740 [ 1117.717544] out_of_memory+0x2ee/0x1180 [ 1117.721518] ? lock_acquire+0x16f/0x430 [ 1117.725494] ? oom_killer_disable+0x1d0/0x1d0 [ 1117.730006] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1117.734936] __alloc_pages_slowpath+0x2251/0x2930 [ 1117.739765] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1117.744629] ? warn_alloc+0xf0/0xf0 [ 1117.748256] ? __might_sleep+0x93/0xb0 [ 1117.752127] __alloc_pages_nodemask+0x62c/0x7a0 [ 1117.756776] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1117.761781] ? lock_downgrade+0x740/0x740 [ 1117.765963] alloc_pages_current+0xec/0x1e0 [ 1117.770268] __page_cache_alloc+0x248/0x3e0 [ 1117.774613] filemap_fault+0xcef/0x1de0 [ 1117.778591] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1117.783518] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1117.788218] ? lock_acquire+0x16f/0x430 [ 1117.792187] ? ext4_filemap_fault+0x7b/0xb0 [ 1117.796509] ext4_filemap_fault+0x83/0xb0 [ 1117.800640] __do_fault+0x104/0x390 [ 1117.804305] __handle_mm_fault+0x23bd/0x33d0 [ 1117.808712] ? copy_page_range+0x1de0/0x1de0 [ 1117.813119] ? find_held_lock+0x35/0x130 [ 1117.817163] ? handle_mm_fault+0x1b6/0x7c0 [ 1117.821424] handle_mm_fault+0x293/0x7c0 [ 1117.825468] __do_page_fault+0x4c1/0xb80 [ 1117.829510] ? vmalloc_fault+0xe30/0xe30 [ 1117.833562] ? page_fault+0x2f/0x50 [ 1117.837176] do_page_fault+0x71/0x511 [ 1117.840968] ? page_fault+0x2f/0x50 [ 1117.844587] page_fault+0x45/0x50 [ 1117.848030] RIP: 0033:0x40ec10 [ 1117.851201] RSP: 002b:000000c42004fee0 EFLAGS: 00010216 [ 1117.856554] RAX: 0000000001e2bbd8 RBX: 0000000000000006 RCX: 000000c420000480 [ 1117.863819] RDX: 0000000022964e6e RSI: 000000c42004ff10 RDI: 000000c42004feec [ 1117.871075] RBP: 000000c42004ff18 R08: 00007fffb93ee000 R09: 00000117240ba8b2 [ 1117.878329] R10: 00114b2737000000 R11: 0000000000000001 R12: 000000000042f0a0 [ 1117.885580] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 1117.916507] Mem-Info: [ 1117.918981] active_anon:154975 inactive_anon:483 isolated_anon:0 [ 1117.918981] active_file:203 inactive_file:171 isolated_file:64 [ 1117.918981] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1117.918981] slab_reclaimable:14700 slab_unreclaimable:116458 [ 1117.918981] mapped:52290 shmem:537 pagetables:3628 bounce:0 [ 1117.918981] free:13764 free_pcp:64 free_cma:0 [ 1117.964367] Node 0 active_anon:547032kB inactive_anon:1924kB active_file:892kB inactive_file:744kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1117.993408] Node 1 active_anon:72868kB inactive_anon:8kB active_file:0kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1118.069542] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1118.112468] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1118.117529] Node 0 DMA32 free:17932kB min:36380kB low:45472kB high:54564kB active_anon:546984kB inactive_anon:1924kB active_file:952kB inactive_file:732kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8864kB pagetables:12724kB bounce:0kB free_pcp:220kB local_pcp:116kB free_cma:0kB [ 1118.156530] lowmem_reserve[]: 0 0 0 0 0 [ 1118.167050] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1118.232411] lowmem_reserve[]: 0 0 0 0 0 [ 1118.236597] Node 1 Normal free:26524kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2848kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1118.277307] lowmem_reserve[]: 0 0 0 0 0 [ 1118.281373] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1118.308430] Node 0 DMA32: 2597*4kB (UME) 793*8kB (UME) 36*16kB (M) 9*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18044kB [ 1118.359027] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1118.369861] Node 1 Normal: 371*4kB (ME) 182*8kB (UME) 152*16kB (M) 187*32kB (UME) 107*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26524kB [ 1118.397508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1118.406422] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1118.427391] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1118.455896] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1118.464704] 969 total pagecache pages [ 1118.468609] 0 pages in swap cache [ 1118.483142] Swap cache stats: add 0, delete 0, find 0/0 [ 1118.488531] Free swap = 0kB [ 1118.491608] Total swap = 0kB [ 1118.494623] 1965979 pages RAM [ 1118.497718] 0 pages HighMem/MovableOnly [ 1118.508567] 335869 pages reserved [ 1118.540590] 0 pages cma reserved [ 1118.543970] Out of memory: Kill process 25450 (syz-executor.5) score 1005 or sacrifice child [ 1118.582236] Killed process 25450 (syz-executor.5) total-vm:72720kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1118.630913] oom_reaper: reaped process 25450 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1118.712320] cron invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1118.727978] cron cpuset=/ mems_allowed=0-1 [ 1118.748253] CPU: 0 PID: 7155 Comm: cron Not tainted 4.14.167-syzkaller #0 [ 1118.755203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1118.764553] Call Trace: [ 1118.767153] dump_stack+0x142/0x197 [ 1118.770773] ? uas_probe+0xf0/0x1320 [ 1118.774469] dump_header+0x177/0x6cd [ 1118.778162] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1118.783244] ? ___ratelimit+0x55/0x537 [ 1118.787115] oom_kill_process.cold+0x10/0xadd [ 1118.791602] ? oom_unkillable_task+0x294/0x390 [ 1118.796183] ? lock_downgrade+0x740/0x740 [ 1118.800315] out_of_memory+0x2ee/0x1180 [ 1118.805756] ? lock_acquire+0x16f/0x430 [ 1118.809713] ? oom_killer_disable+0x1d0/0x1d0 [ 1118.814195] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1118.819121] __alloc_pages_slowpath+0x2251/0x2930 [ 1118.823962] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1118.828817] ? warn_alloc+0xf0/0xf0 [ 1118.832438] ? __might_sleep+0x93/0xb0 [ 1118.836320] __alloc_pages_nodemask+0x62c/0x7a0 [ 1118.840991] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1118.845988] ? lock_downgrade+0x740/0x740 [ 1118.850122] alloc_pages_current+0xec/0x1e0 [ 1118.854425] __page_cache_alloc+0x248/0x3e0 [ 1118.858725] filemap_fault+0xcef/0x1de0 [ 1118.862679] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1118.867592] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1118.872241] ? lock_acquire+0x16f/0x430 [ 1118.876196] ? ext4_filemap_fault+0x7b/0xb0 [ 1118.880517] ext4_filemap_fault+0x83/0xb0 [ 1118.884646] __do_fault+0x104/0x390 [ 1118.888255] __handle_mm_fault+0x23bd/0x33d0 [ 1118.892644] ? copy_page_range+0x1de0/0x1de0 [ 1118.897144] ? find_held_lock+0x35/0x130 [ 1118.901186] ? handle_mm_fault+0x1b6/0x7c0 [ 1118.905530] handle_mm_fault+0x293/0x7c0 [ 1118.909583] __do_page_fault+0x4c1/0xb80 [ 1118.913647] ? vmalloc_fault+0xe30/0xe30 [ 1118.917689] ? page_fault+0x2f/0x50 [ 1118.921313] do_page_fault+0x71/0x511 [ 1118.925092] ? page_fault+0x2f/0x50 [ 1118.928699] page_fault+0x45/0x50 [ 1118.932185] RIP: 0033:0x40320a [ 1118.935426] RSP: 002b:00007fff5d3ac440 EFLAGS: 00010202 [ 1118.940833] RAX: 0000000000000000 RBX: 000000000191c708 RCX: 00007ffb9b99de40 [ 1118.948098] RDX: 0000000000000000 RSI: 00007fff5d3ac400 RDI: 00007fff5d3ac400 [ 1118.955364] RBP: 0000000000000000 R08: 00007fff5d3ac260 R09: 0000000000000000 [ 1118.962619] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000004033c4 [ 1118.970057] R13: 00007fff5d3ac560 R14: 0000000000000000 R15: 0000000000000000 [ 1119.016746] Mem-Info: [ 1119.019211] active_anon:154944 inactive_anon:483 isolated_anon:0 [ 1119.019211] active_file:224 inactive_file:193 isolated_file:0 [ 1119.019211] unevictable:0 dirty:397 writeback:4 unstable:0 [ 1119.019211] slab_reclaimable:14700 slab_unreclaimable:116111 [ 1119.019211] mapped:52290 shmem:537 pagetables:3603 bounce:0 [ 1119.019211] free:13785 free_pcp:30 free_cma:0 [ 1119.052733] Node 0 active_anon:546908kB inactive_anon:1924kB active_file:768kB inactive_file:808kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:16kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1119.081685] Node 1 active_anon:72868kB inactive_anon:8kB active_file:116kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1119.109734] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:32kB inactive_file:12kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1119.163944] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1119.169036] Node 0 DMA32 free:18112kB min:36380kB low:45472kB high:54564kB active_anon:546860kB inactive_anon:1924kB active_file:832kB inactive_file:724kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8832kB pagetables:12624kB bounce:0kB free_pcp:248kB local_pcp:4kB free_cma:0kB [ 1119.200662] Dropped {multi|broad}cast of type= [86dd] [ 1119.203968] lowmem_reserve[]: 0 0 0 0 0 [ 1119.213189] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1119.247490] lowmem_reserve[]: 0 0 0 0 0 [ 1119.251760] Node 1 Normal free:26380kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:32kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2848kB pagetables:1788kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1119.286773] lowmem_reserve[]: 0 0 0 0 0 [ 1119.290946] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1119.312543] Node 0 DMA32: 2605*4kB (ME) 795*8kB (UME) 37*16kB (UM) 12*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18204kB [ 1119.332239] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1119.343178] Node 1 Normal: 367*4kB (UME) 181*8kB (ME) 152*16kB (M) 185*32kB (ME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26500kB [ 1119.376525] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1119.385606] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1119.397289] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1119.407931] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1119.429353] 963 total pagecache pages [ 1119.433251] 0 pages in swap cache [ 1119.436700] Swap cache stats: add 0, delete 0, find 0/0 [ 1119.453462] Free swap = 0kB [ 1119.456660] Total swap = 0kB [ 1119.459911] 1965979 pages RAM [ 1119.463121] 0 pages HighMem/MovableOnly [ 1119.467089] 335869 pages reserved [ 1119.474731] 0 pages cma reserved [ 1119.478227] Out of memory: Kill process 25468 (syz-executor.5) score 1005 or sacrifice child [ 1119.487546] Killed process 25468 (syz-executor.5) total-vm:72720kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1119.627851] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1119.763041] rsyslogd cpuset=/ mems_allowed=0-1 [ 1119.767683] CPU: 0 PID: 7104 Comm: rsyslogd Not tainted 4.14.167-syzkaller #0 [ 1119.774960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1119.784316] Call Trace: [ 1119.786908] dump_stack+0x142/0x197 [ 1119.790543] dump_header+0x177/0x6cd [ 1119.794252] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1119.799340] ? ___ratelimit+0x55/0x537 [ 1119.803216] oom_kill_process.cold+0x10/0xadd [ 1119.807764] ? oom_unkillable_task+0x294/0x390 [ 1119.812331] ? lock_downgrade+0x740/0x740 [ 1119.816514] out_of_memory+0x2ee/0x1180 [ 1119.820494] ? lock_acquire+0x16f/0x430 [ 1119.824472] ? oom_killer_disable+0x1d0/0x1d0 [ 1119.828955] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1119.833877] __alloc_pages_slowpath+0x2251/0x2930 [ 1119.838729] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1119.843558] ? warn_alloc+0xf0/0xf0 [ 1119.847171] ? __might_sleep+0x93/0xb0 [ 1119.851043] __alloc_pages_nodemask+0x62c/0x7a0 [ 1119.855697] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1119.860696] ? lock_downgrade+0x740/0x740 [ 1119.864834] alloc_pages_current+0xec/0x1e0 [ 1119.869144] __page_cache_alloc+0x248/0x3e0 [ 1119.873448] filemap_fault+0xcef/0x1de0 [ 1119.877402] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1119.882319] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1119.886986] ? lock_acquire+0x16f/0x430 [ 1119.890951] ? ext4_filemap_fault+0x7b/0xb0 [ 1119.895278] ext4_filemap_fault+0x83/0xb0 [ 1119.899422] __do_fault+0x104/0x390 [ 1119.903030] __handle_mm_fault+0x23bd/0x33d0 [ 1119.907421] ? copy_page_range+0x1de0/0x1de0 [ 1119.911819] ? find_held_lock+0x35/0x130 [ 1119.915871] ? handle_mm_fault+0x1b6/0x7c0 [ 1119.920093] handle_mm_fault+0x293/0x7c0 [ 1119.924152] __do_page_fault+0x4c1/0xb80 [ 1119.928195] ? vmalloc_fault+0xe30/0xe30 [ 1119.932238] ? page_fault+0x2f/0x50 [ 1119.935844] do_page_fault+0x71/0x511 [ 1119.939622] ? page_fault+0x2f/0x50 [ 1119.943231] page_fault+0x45/0x50 [ 1119.946664] RIP: 0033:0x7f3214100209 [ 1119.950370] RSP: 002b:00007f321169fe30 EFLAGS: 00010297 [ 1119.955718] RAX: 0000000000000000 RBX: 0000000001dce670 RCX: 00007f32141001fd [ 1119.962989] RDX: 0000000000000b34 RSI: 00007f3212ed45a0 RDI: 0000000000000000 [ 1119.970240] RBP: 0000000000000000 R08: 0000000001db9260 R09: 0000000000000000 [ 1119.977518] R10: 6b36313834333a73 R11: 0000000000000000 R12: 000000000065e420 [ 1119.984781] R13: 00007f32116a09c0 R14: 00007f3214745040 R15: 0000000000000003 [ 1120.018568] Mem-Info: [ 1120.023151] active_anon:154916 inactive_anon:483 isolated_anon:0 [ 1120.023151] active_file:189 inactive_file:206 isolated_file:32 [ 1120.023151] unevictable:0 dirty:399 writeback:0 unstable:0 [ 1120.023151] slab_reclaimable:14702 slab_unreclaimable:116073 [ 1120.023151] mapped:52290 shmem:537 pagetables:3566 bounce:0 [ 1120.023151] free:13769 free_pcp:30 free_cma:0 [ 1120.056773] Node 0 active_anon:546796kB inactive_anon:1924kB active_file:788kB inactive_file:804kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1564kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1120.103221] Node 1 active_anon:72868kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1120.166483] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:12kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1120.204771] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1120.210332] Node 0 DMA32 free:18076kB min:36380kB low:45472kB high:54564kB active_anon:546736kB inactive_anon:1924kB active_file:852kB inactive_file:780kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8832kB pagetables:12524kB bounce:0kB free_pcp:236kB local_pcp:0kB free_cma:0kB [ 1120.256044] lowmem_reserve[]: 0 0 0 0 0 [ 1120.265403] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1120.296466] lowmem_reserve[]: 0 0 0 0 0 [ 1120.300554] Node 1 Normal free:26520kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:4kB inactive_file:32kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2816kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1120.330556] lowmem_reserve[]: 0 0 0 0 0 [ 1120.334571] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1120.350242] Node 0 DMA32: 2602*4kB (UMEH) 793*8kB (MEH) 37*16kB (UM) 11*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18144kB [ 1120.383583] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1120.394456] Node 1 Normal: 372*4kB (UME) 181*8kB (ME) 152*16kB (M) 186*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26552kB [ 1120.415335] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1120.425049] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1120.433721] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1120.442606] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1120.452871] 966 total pagecache pages [ 1120.456687] 0 pages in swap cache [ 1120.460207] Swap cache stats: add 0, delete 0, find 0/0 [ 1120.465570] Free swap = 0kB [ 1120.468585] Total swap = 0kB [ 1120.471676] 1965979 pages RAM [ 1120.474774] 0 pages HighMem/MovableOnly [ 1120.478741] 335869 pages reserved [ 1120.482288] 0 pages cma reserved [ 1120.485652] Out of memory: Kill process 25515 (syz-executor.5) score 1005 or sacrifice child [ 1120.507828] Killed process 25515 (syz-executor.5) total-vm:72720kB, anon-rss:168kB, file-rss:34816kB, shmem-rss:0kB [ 1120.575079] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1120.590680] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1120.595497] CPU: 0 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1120.602956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1120.612309] Call Trace: [ 1120.614900] dump_stack+0x142/0x197 [ 1120.618511] dump_header+0x177/0x6cd [ 1120.622207] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1120.627323] ? ___ratelimit+0x55/0x537 [ 1120.631194] oom_kill_process.cold+0x10/0xadd [ 1120.635706] ? oom_unkillable_task+0x294/0x390 [ 1120.640272] ? lock_downgrade+0x740/0x740 [ 1120.644419] out_of_memory+0x2ee/0x1180 [ 1120.648372] ? lock_acquire+0x16f/0x430 [ 1120.652343] ? oom_killer_disable+0x1d0/0x1d0 [ 1120.656821] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1120.661729] __alloc_pages_slowpath+0x2251/0x2930 [ 1120.666574] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1120.671501] ? warn_alloc+0xf0/0xf0 [ 1120.675114] ? __might_sleep+0x93/0xb0 [ 1120.678993] __alloc_pages_nodemask+0x62c/0x7a0 [ 1120.683649] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1120.688756] ? lock_downgrade+0x740/0x740 [ 1120.692893] alloc_pages_current+0xec/0x1e0 [ 1120.697199] __page_cache_alloc+0x248/0x3e0 [ 1120.701511] filemap_fault+0xcef/0x1de0 [ 1120.705465] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1120.710463] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1120.715128] ? lock_acquire+0x16f/0x430 [ 1120.719101] ? ext4_filemap_fault+0x7b/0xb0 [ 1120.723433] ext4_filemap_fault+0x83/0xb0 [ 1120.727566] __do_fault+0x104/0x390 [ 1120.731187] __handle_mm_fault+0x23bd/0x33d0 [ 1120.735581] ? copy_page_range+0x1de0/0x1de0 [ 1120.739973] ? find_held_lock+0x35/0x130 [ 1120.744014] ? handle_mm_fault+0x1b6/0x7c0 [ 1120.748256] handle_mm_fault+0x293/0x7c0 [ 1120.752313] __do_page_fault+0x4c1/0xb80 [ 1120.756358] ? vmalloc_fault+0xe30/0xe30 [ 1120.760411] ? page_fault+0x2f/0x50 [ 1120.764016] do_page_fault+0x71/0x511 [ 1120.767799] ? page_fault+0x2f/0x50 [ 1120.771416] page_fault+0x45/0x50 [ 1120.774847] RIP: 0033:0x4284f0 [ 1120.778016] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1120.783360] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1120.790609] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1120.797856] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1120.805102] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1120.812352] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1120.823887] Mem-Info: [ 1120.826342] active_anon:154888 inactive_anon:483 isolated_anon:0 [ 1120.826342] active_file:231 inactive_file:200 isolated_file:0 [ 1120.826342] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1120.826342] slab_reclaimable:14703 slab_unreclaimable:116087 [ 1120.826342] mapped:52290 shmem:537 pagetables:3541 bounce:0 [ 1120.826342] free:13761 free_pcp:99 free_cma:0 [ 1120.859741] Node 0 active_anon:546684kB inactive_anon:1924kB active_file:996kB inactive_file:752kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1120.888038] Node 1 active_anon:72868kB inactive_anon:8kB active_file:4kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1120.914338] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:44kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1120.947519] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1120.976642] Node 0 DMA32 free:18108kB min:36380kB low:45472kB high:54564kB active_anon:546636kB inactive_anon:1924kB active_file:844kB inactive_file:808kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8832kB pagetables:12376kB bounce:0kB free_pcp:396kB local_pcp:276kB free_cma:0kB [ 1121.006207] lowmem_reserve[]: 0 0 0 0 0 [ 1121.010228] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1121.035565] lowmem_reserve[]: 0 0 0 0 0 [ 1121.039542] Node 1 Normal free:26552kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:0kB inactive_file:36kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2816kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1121.067981] lowmem_reserve[]: 0 0 0 0 0 [ 1121.072464] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1121.099906] Node 0 DMA32: 2603*4kB (MEH) 794*8kB (UMEH) 36*16kB (M) 11*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18140kB [ 1121.115383] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1121.126375] Node 1 Normal: 372*4kB (UME) 181*8kB (ME) 152*16kB (M) 186*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26552kB [ 1121.143503] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1121.159156] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1121.167802] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1121.176719] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1121.185351] 964 total pagecache pages [ 1121.189153] 0 pages in swap cache [ 1121.192671] Swap cache stats: add 0, delete 0, find 0/0 [ 1121.198058] Free swap = 0kB [ 1121.201215] Total swap = 0kB [ 1121.204226] 1965979 pages RAM [ 1121.207325] 0 pages HighMem/MovableOnly [ 1121.214244] 335869 pages reserved [ 1121.219408] 0 pages cma reserved [ 1121.254556] Out of memory: Kill process 30180 (syz-executor.4) score 1005 or sacrifice child [ 1121.265139] Killed process 30180 (syz-executor.4) total-vm:72588kB, anon-rss:164kB, file-rss:34816kB, shmem-rss:0kB [ 1121.367681] oom_reaper: reaped process 30180 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1121.467775] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1121.486056] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1121.499539] CPU: 1 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1121.507366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1121.516741] Call Trace: [ 1121.519346] dump_stack+0x142/0x197 [ 1121.522976] dump_header+0x177/0x6cd [ 1121.526685] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1121.531785] ? ___ratelimit+0x55/0x537 [ 1121.535674] oom_kill_process.cold+0x10/0xadd [ 1121.540167] ? oom_unkillable_task+0x294/0x390 [ 1121.544749] ? lock_downgrade+0x740/0x740 [ 1121.548898] out_of_memory+0x2ee/0x1180 [ 1121.552868] ? lock_acquire+0x16f/0x430 [ 1121.556844] ? oom_killer_disable+0x1d0/0x1d0 [ 1121.561345] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1121.566285] __alloc_pages_slowpath+0x2251/0x2930 [ 1121.571138] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1121.575991] ? warn_alloc+0xf0/0xf0 [ 1121.579626] ? __might_sleep+0x93/0xb0 [ 1121.583522] __alloc_pages_nodemask+0x62c/0x7a0 [ 1121.588196] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1121.593206] ? lock_downgrade+0x740/0x740 [ 1121.597362] alloc_pages_current+0xec/0x1e0 [ 1121.601683] __page_cache_alloc+0x248/0x3e0 [ 1121.606003] filemap_fault+0xcef/0x1de0 [ 1121.609973] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1121.614911] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1121.619683] ? lock_acquire+0x16f/0x430 [ 1121.623656] ? ext4_filemap_fault+0x7b/0xb0 [ 1121.627984] ext4_filemap_fault+0x83/0xb0 [ 1121.632133] __do_fault+0x104/0x390 [ 1121.635761] __handle_mm_fault+0x23bd/0x33d0 [ 1121.640169] ? copy_page_range+0x1de0/0x1de0 [ 1121.644577] ? find_held_lock+0x35/0x130 [ 1121.648639] ? handle_mm_fault+0x1b6/0x7c0 [ 1121.652883] handle_mm_fault+0x293/0x7c0 [ 1121.656944] __do_page_fault+0x4c1/0xb80 [ 1121.661126] ? vmalloc_fault+0xe30/0xe30 [ 1121.665188] ? page_fault+0x2f/0x50 [ 1121.668818] do_page_fault+0x71/0x511 [ 1121.672617] ? page_fault+0x2f/0x50 [ 1121.676242] page_fault+0x45/0x50 [ 1121.679693] RIP: 0033:0x41518a [ 1121.682874] RSP: 002b:00007fffe00b9d98 EFLAGS: 00010246 [ 1121.688233] RAX: 000000000000020d RBX: 0000000000000000 RCX: 000000000041518a [ 1121.695500] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1121.702766] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1121.710029] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1121.717292] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1121.756383] Mem-Info: [ 1121.758830] active_anon:154850 inactive_anon:483 isolated_anon:0 [ 1121.758830] active_file:238 inactive_file:193 isolated_file:0 [ 1121.758830] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1121.758830] slab_reclaimable:14703 slab_unreclaimable:116096 [ 1121.758830] mapped:52290 shmem:537 pagetables:3527 bounce:0 [ 1121.758830] free:13752 free_pcp:61 free_cma:0 [ 1121.797894] Node 0 active_anon:546532kB inactive_anon:1924kB active_file:848kB inactive_file:676kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1121.832299] Node 1 active_anon:72868kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1121.887705] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:36kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1121.922789] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1121.927865] Node 0 DMA32 free:17956kB min:36380kB low:45472kB high:54564kB active_anon:546484kB inactive_anon:1924kB active_file:860kB inactive_file:724kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8832kB pagetables:12320kB bounce:0kB free_pcp:364kB local_pcp:120kB free_cma:0kB [ 1121.963910] lowmem_reserve[]: 0 0 0 0 0 [ 1121.967930] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1122.025306] lowmem_reserve[]: 0 0 0 0 0 [ 1122.029382] Node 1 Normal free:26552kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2816kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1122.063587] lowmem_reserve[]: 0 0 0 0 0 [ 1122.067642] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1122.088445] Node 0 DMA32: 2603*4kB (ME) 793*8kB (ME) 36*16kB (M) 9*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18068kB [ 1122.107435] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1122.118232] Node 1 Normal: 372*4kB (UME) 181*8kB (ME) 152*16kB (M) 186*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26552kB [ 1122.159993] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1122.176405] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1122.186341] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1122.209133] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1122.217822] 964 total pagecache pages [ 1122.232891] 0 pages in swap cache [ 1122.236393] Swap cache stats: add 0, delete 0, find 0/0 [ 1122.241965] Free swap = 0kB [ 1122.244980] Total swap = 0kB [ 1122.247992] 1965979 pages RAM [ 1122.283585] 0 pages HighMem/MovableOnly [ 1122.287602] 335869 pages reserved [ 1122.299938] 0 pages cma reserved [ 1122.316419] Out of memory: Kill process 30187 (syz-executor.4) score 1005 or sacrifice child [ 1122.325283] Killed process 30187 (syz-executor.4) total-vm:72588kB, anon-rss:164kB, file-rss:34816kB, shmem-rss:0kB [ 1122.431468] oom_reaper: reaped process 30187 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1122.518887] cron invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1122.589932] cron cpuset=/ mems_allowed=0-1 [ 1122.608847] CPU: 0 PID: 7155 Comm: cron Not tainted 4.14.167-syzkaller #0 [ 1122.615798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1122.625152] Call Trace: [ 1122.627743] dump_stack+0x142/0x197 [ 1122.631374] ? uas_probe+0xf0/0x1320 [ 1122.635089] dump_header+0x177/0x6cd [ 1122.638812] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1122.643894] ? ___ratelimit+0x55/0x537 [ 1122.647781] oom_kill_process.cold+0x10/0xadd [ 1122.652276] ? oom_unkillable_task+0x294/0x390 [ 1122.656859] ? lock_downgrade+0x740/0x740 [ 1122.660993] out_of_memory+0x2ee/0x1180 [ 1122.664955] ? lock_acquire+0x16f/0x430 [ 1122.668909] ? oom_killer_disable+0x1d0/0x1d0 [ 1122.673386] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1122.678297] __alloc_pages_slowpath+0x2251/0x2930 [ 1122.683122] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1122.687943] ? warn_alloc+0xf0/0xf0 [ 1122.691554] ? __might_sleep+0x93/0xb0 [ 1122.695421] __alloc_pages_nodemask+0x62c/0x7a0 [ 1122.700069] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1122.705072] ? lock_downgrade+0x740/0x740 [ 1122.709204] alloc_pages_current+0xec/0x1e0 [ 1122.713508] __page_cache_alloc+0x248/0x3e0 [ 1122.717812] filemap_fault+0xcef/0x1de0 [ 1122.721763] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1122.726676] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1122.731324] ? lock_acquire+0x16f/0x430 [ 1122.735288] ? ext4_filemap_fault+0x7b/0xb0 [ 1122.739590] ext4_filemap_fault+0x83/0xb0 [ 1122.743725] __do_fault+0x104/0x390 [ 1122.747340] __handle_mm_fault+0x23bd/0x33d0 [ 1122.751750] ? copy_page_range+0x1de0/0x1de0 [ 1122.756146] ? find_held_lock+0x35/0x130 [ 1122.760186] ? handle_mm_fault+0x1b6/0x7c0 [ 1122.764414] handle_mm_fault+0x293/0x7c0 [ 1122.768455] __do_page_fault+0x4c1/0xb80 [ 1122.772497] ? vmalloc_fault+0xe30/0xe30 [ 1122.776545] ? page_fault+0x2f/0x50 [ 1122.780171] do_page_fault+0x71/0x511 [ 1122.783956] ? page_fault+0x2f/0x50 [ 1122.787562] page_fault+0x45/0x50 [ 1122.790994] RIP: 0033:0x40320a [ 1122.794164] RSP: 002b:00007fff5d3ac440 EFLAGS: 00010202 [ 1122.799507] RAX: 0000000000000000 RBX: 000000000191c708 RCX: 00007ffb9b99de40 [ 1122.806757] RDX: 0000000000000000 RSI: 00007fff5d3ac400 RDI: 00007fff5d3ac400 [ 1122.814004] RBP: 0000000000000000 R08: 00007fff5d3ac260 R09: 0000000000000000 [ 1122.821253] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000004033c4 [ 1122.828568] R13: 00007fff5d3ac560 R14: 0000000000000000 R15: 0000000000000000 [ 1122.843027] Mem-Info: [ 1122.845460] active_anon:154823 inactive_anon:483 isolated_anon:0 [ 1122.845460] active_file:253 inactive_file:185 isolated_file:32 [ 1122.845460] unevictable:0 dirty:399 writeback:0 unstable:0 [ 1122.845460] slab_reclaimable:14704 slab_unreclaimable:116106 [ 1122.845460] mapped:52290 shmem:537 pagetables:3501 bounce:0 [ 1122.845460] free:13787 free_pcp:28 free_cma:0 [ 1122.887775] Node 0 active_anon:546424kB inactive_anon:1924kB active_file:952kB inactive_file:764kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1564kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1122.959579] Node 1 active_anon:72868kB inactive_anon:8kB active_file:60kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1123.025836] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:16kB inactive_file:44kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1123.080142] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1123.085222] Node 0 DMA32 free:18292kB min:36380kB low:45472kB high:54564kB active_anon:546376kB inactive_anon:1924kB active_file:828kB inactive_file:732kB unevictable:0kB writepending:1504kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8800kB pagetables:12216kB bounce:0kB free_pcp:116kB local_pcp:116kB free_cma:0kB [ 1123.145083] lowmem_reserve[]: 0 0 0 0 0 [ 1123.149421] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1123.243831] lowmem_reserve[]: 0 0 0 0 0 [ 1123.247926] Node 1 Normal free:26552kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2816kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1123.283531] lowmem_reserve[]: 0 0 0 0 0 [ 1123.287584] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1123.303230] Node 0 DMA32: 2609*4kB (UME) 799*8kB (UME) 38*16kB (UM) 12*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18268kB [ 1123.317684] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1123.345013] Node 1 Normal: 372*4kB (UME) 181*8kB (ME) 152*16kB (M) 186*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26552kB [ 1123.377777] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1123.386717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1123.411043] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1123.419928] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1123.437613] 964 total pagecache pages [ 1123.441586] 0 pages in swap cache [ 1123.445034] Swap cache stats: add 0, delete 0, find 0/0 [ 1123.457311] Free swap = 0kB [ 1123.470544] Total swap = 0kB [ 1123.473609] 1965979 pages RAM [ 1123.476707] 0 pages HighMem/MovableOnly [ 1123.486115] 335869 pages reserved [ 1123.489596] 0 pages cma reserved [ 1123.498391] Out of memory: Kill process 30197 (syz-executor.4) score 1005 or sacrifice child [ 1123.540759] Killed process 30197 (syz-executor.4) total-vm:72588kB, anon-rss:164kB, file-rss:34816kB, shmem-rss:0kB [ 1123.632483] kworker/1:1 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1123.645300] kworker/1:1 cpuset=/ mems_allowed=0-1 [ 1123.656340] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.14.167-syzkaller #0 [ 1123.663719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1123.673100] Call Trace: [ 1123.675691] dump_stack+0x142/0x197 [ 1123.679322] dump_header+0x177/0x6cd [ 1123.683038] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1123.688144] ? ___ratelimit+0x55/0x537 [ 1123.692048] oom_kill_process.cold+0x10/0xadd [ 1123.696545] ? oom_unkillable_task+0x294/0x390 [ 1123.701128] ? lock_downgrade+0x740/0x740 [ 1123.705284] out_of_memory+0x2ee/0x1180 [ 1123.709252] ? lock_acquire+0x16f/0x430 [ 1123.713234] ? oom_killer_disable+0x1d0/0x1d0 [ 1123.717728] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1123.722656] __alloc_pages_slowpath+0x2251/0x2930 [ 1123.727513] ? warn_alloc+0xf0/0xf0 [ 1123.731154] ? __might_sleep+0x93/0xb0 [ 1123.735040] __alloc_pages_nodemask+0x62c/0x7a0 [ 1123.739712] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1123.744724] ? ____cache_alloc_node+0x1be/0x1d0 [ 1123.749389] ? cache_grow_begin+0x335/0x400 [ 1123.753713] cache_grow_begin+0x80/0x400 [ 1123.757773] ? __cpuset_node_allowed+0xff/0x450 [ 1123.762451] fallback_alloc+0x1fd/0x2c0 [ 1123.766430] ____cache_alloc_node+0x1be/0x1d0 [ 1123.770925] kmem_cache_alloc_trace+0x213/0x790 [ 1123.775590] ? __lockdep_init_map+0x10c/0x570 [ 1123.780088] ? process_one_work+0x1600/0x1600 [ 1123.784578] __kthread_create_on_node+0xe3/0x3e0 [ 1123.789332] ? kthread_park+0x140/0x140 [ 1123.793309] ? vsnprintf+0x290/0x1560 [ 1123.797117] ? process_one_work+0x1600/0x1600 [ 1123.801612] kthread_create_on_node+0xa8/0xd0 [ 1123.806102] ? __kthread_create_on_node+0x3e0/0x3e0 [ 1123.811112] ? vsprintf+0x40/0x40 [ 1123.814571] create_worker+0x245/0x530 [ 1123.818458] ? alloc_worker+0x1c0/0x1c0 [ 1123.822429] ? trace_hardirqs_on_caller+0x400/0x590 [ 1123.827443] worker_thread+0xa44/0x1050 [ 1123.831427] kthread+0x319/0x430 [ 1123.834826] ? process_one_work+0x1600/0x1600 [ 1123.839316] ? kthread_create_on_node+0xd0/0xd0 [ 1123.843986] ret_from_fork+0x24/0x30 [ 1123.882438] Mem-Info: [ 1123.884890] active_anon:154796 inactive_anon:483 isolated_anon:0 [ 1123.884890] active_file:234 inactive_file:183 isolated_file:0 [ 1123.884890] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1123.884890] slab_reclaimable:14705 slab_unreclaimable:116127 [ 1123.884890] mapped:52290 shmem:537 pagetables:3464 bounce:0 [ 1123.884890] free:13762 free_pcp:58 free_cma:0 [ 1123.926255] Node 0 active_anon:546276kB inactive_anon:1924kB active_file:848kB inactive_file:656kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1123.954605] Node 1 active_anon:72868kB inactive_anon:8kB active_file:4kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1124.018260] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:28kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1124.053033] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1124.058125] Node 0 DMA32 free:18096kB min:36380kB low:45472kB high:54564kB active_anon:546228kB inactive_anon:1924kB active_file:820kB inactive_file:748kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8768kB pagetables:12112kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1124.087586] lowmem_reserve[]: 0 0 0 0 0 [ 1124.091630] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1124.148006] lowmem_reserve[]: 0 0 0 0 0 [ 1124.153675] Node 1 Normal free:26552kB min:53508kB low:66884kB high:80260kB active_anon:72868kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2816kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1124.187927] lowmem_reserve[]: 0 0 0 0 0 [ 1124.192025] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1124.208444] Node 0 DMA32: 2600*4kB (UME) 795*8kB (ME) 38*16kB (UM) 10*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18136kB [ 1124.222556] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1124.238113] Node 1 Normal: 372*4kB (UME) 181*8kB (ME) 152*16kB (M) 186*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26552kB [ 1124.295718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1124.310827] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1124.319450] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1124.328438] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1124.343100] 972 total pagecache pages [ 1124.346924] 0 pages in swap cache [ 1124.350601] Swap cache stats: add 0, delete 0, find 0/0 [ 1124.355984] Free swap = 0kB [ 1124.358995] Total swap = 0kB [ 1124.367327] 1965979 pages RAM [ 1124.384306] 0 pages HighMem/MovableOnly [ 1124.388297] 335869 pages reserved [ 1124.408466] 0 pages cma reserved [ 1124.412031] Out of memory: Kill process 23713 (syz-executor.3) score 1005 or sacrifice child [ 1124.428214] Killed process 23713 (syz-executor.3) total-vm:72588kB, anon-rss:164kB, file-rss:34816kB, shmem-rss:0kB [ 1124.466124] oom_reaper: reaped process 23713 (syz-executor.3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1124.492020] kworker/0:2 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1124.509138] kworker/0:2 cpuset=/ mems_allowed=0-1 [ 1124.531683] CPU: 0 PID: 2866 Comm: kworker/0:2 Not tainted 4.14.167-syzkaller #0 [ 1124.539377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1124.548741] Workqueue: md_misc mddev_delayed_delete [ 1124.553754] Call Trace: [ 1124.556328] dump_stack+0x142/0x197 [ 1124.559937] dump_header+0x177/0x6cd [ 1124.563683] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1124.568767] ? ___ratelimit+0x55/0x537 [ 1124.572650] oom_kill_process.cold+0x10/0xadd [ 1124.577225] ? oom_unkillable_task+0x294/0x390 [ 1124.581790] ? lock_downgrade+0x740/0x740 [ 1124.585934] out_of_memory+0x2ee/0x1180 [ 1124.589888] ? lock_acquire+0x16f/0x430 [ 1124.593845] ? oom_killer_disable+0x1d0/0x1d0 [ 1124.598324] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1124.603250] __alloc_pages_slowpath+0x2251/0x2930 [ 1124.608085] ? warn_alloc+0xf0/0xf0 [ 1124.611710] ? __might_sleep+0x93/0xb0 [ 1124.615579] __alloc_pages_nodemask+0x62c/0x7a0 [ 1124.620301] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1124.625308] ? cache_grow_begin+0x335/0x400 [ 1124.629634] cache_grow_begin+0x80/0x400 [ 1124.633806] ? __cpuset_node_allowed+0xff/0x450 [ 1124.638470] fallback_alloc+0x1fd/0x2c0 [ 1124.642433] ____cache_alloc_node+0x1be/0x1d0 [ 1124.647080] kmem_cache_alloc_node+0xe3/0x780 [ 1124.651608] __alloc_skb+0x9c/0x500 [ 1124.655310] ? skb_trim+0x180/0x180 [ 1124.658959] ? netlink_has_listeners+0x20a/0x330 [ 1124.663794] kobject_uevent_env+0x6ea/0xc80 [ 1124.668278] ? wait_for_completion+0x420/0x420 [ 1124.672895] kobject_uevent+0x20/0x30 [ 1124.676827] device_del+0x65c/0xaa0 [ 1124.681111] ? __device_links_no_driver+0x220/0x220 [ 1124.686639] ? synchronize_srcu+0x233/0x3e2 [ 1124.691204] ? simple_release_fs+0x8c/0xb0 [ 1124.695455] device_unregister+0x15/0x30 [ 1124.699997] bdi_unregister+0x42b/0x600 [ 1124.704121] ? wb_blkcg_offline+0x180/0x180 [ 1124.708587] ? kernfs_find_ns+0x1b5/0x290 [ 1124.712816] ? mutex_unlock+0xd/0x10 [ 1124.716551] ? kernfs_remove_by_name_ns+0x6b/0x90 [ 1124.721393] del_gendisk+0x405/0x820 [ 1124.725152] ? disk_events_poll_msecs_store+0x150/0x150 [ 1124.730540] ? blk_cleanup_queue+0x446/0x610 [ 1124.735041] md_free+0xc8/0x140 [ 1124.738328] ? lock_rdev+0x110/0x110 [ 1124.742133] kobject_put+0x14e/0x210 [ 1124.745840] mddev_delayed_delete+0x34/0x40 [ 1124.750203] process_one_work+0x863/0x1600 [ 1124.754438] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1124.759097] worker_thread+0x5d9/0x1050 [ 1124.763080] kthread+0x319/0x430 [ 1124.766583] ? process_one_work+0x1600/0x1600 [ 1124.771113] ? kthread_create_on_node+0xd0/0xd0 [ 1124.775773] ret_from_fork+0x24/0x30 [ 1124.784763] Mem-Info: [ 1124.787225] active_anon:154755 inactive_anon:483 isolated_anon:0 [ 1124.787225] active_file:261 inactive_file:165 isolated_file:32 [ 1124.787225] unevictable:0 dirty:397 writeback:1 unstable:0 [ 1124.787225] slab_reclaimable:14706 slab_unreclaimable:116141 [ 1124.787225] mapped:52290 shmem:537 pagetables:3450 bounce:0 [ 1124.787225] free:13785 free_pcp:58 free_cma:0 [ 1124.822295] Node 0 active_anon:546168kB inactive_anon:1924kB active_file:812kB inactive_file:572kB unevictable:0kB isolated(anon):0kB isolated(file):384kB mapped:209160kB dirty:1556kB writeback:4kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1124.850865] Node 1 active_anon:72852kB inactive_anon:8kB active_file:52kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1124.877163] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:20kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1124.907447] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1124.912632] Node 0 DMA32 free:18064kB min:36380kB low:45472kB high:54564kB active_anon:546120kB inactive_anon:1924kB active_file:904kB inactive_file:632kB unevictable:0kB writepending:1500kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8768kB pagetables:12012kB bounce:0kB free_pcp:344kB local_pcp:232kB free_cma:0kB [ 1124.950651] lowmem_reserve[]: 0 0 0 0 0 [ 1124.955015] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1124.997430] lowmem_reserve[]: 0 0 0 0 0 [ 1125.001590] Node 1 Normal free:26568kB min:53508kB low:66884kB high:80260kB active_anon:72852kB inactive_anon:8kB active_file:52kB inactive_file:0kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2816kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1125.035497] lowmem_reserve[]: 0 0 0 0 0 [ 1125.039523] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1125.077803] Node 0 DMA32: 2596*4kB (UME) 796*8kB (UME) 36*16kB (M) 9*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18064kB [ 1125.097609] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1125.108643] Node 1 Normal: 372*4kB (UME) 181*8kB (ME) 153*16kB (UM) 186*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26568kB [ 1125.125006] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1125.133935] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1125.142647] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1125.151545] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1125.160204] 972 total pagecache pages [ 1125.164015] 0 pages in swap cache [ 1125.168019] Swap cache stats: add 0, delete 0, find 0/0 [ 1125.178907] Free swap = 0kB [ 1125.182410] Total swap = 0kB [ 1125.185433] 1965979 pages RAM [ 1125.188533] 0 pages HighMem/MovableOnly [ 1125.193206] 335869 pages reserved [ 1125.196798] 0 pages cma reserved [ 1125.200374] Out of memory: Kill process 24604 (syz-executor.1) score 1005 or sacrifice child [ 1125.209221] Killed process 24604 (syz-executor.1) total-vm:72588kB, anon-rss:160kB, file-rss:34816kB, shmem-rss:0kB [ 1125.265400] oom_reaper: reaped process 24604 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1125.501557] kworker/0:2 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1125.513445] kworker/0:2 cpuset=/ mems_allowed=0-1 [ 1125.518304] CPU: 0 PID: 2866 Comm: kworker/0:2 Not tainted 4.14.167-syzkaller #0 [ 1125.525948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1125.535321] Workqueue: md_misc mddev_delayed_delete [ 1125.540320] Call Trace: [ 1125.542892] dump_stack+0x142/0x197 [ 1125.546590] dump_header+0x177/0x6cd [ 1125.550287] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1125.555408] ? ___ratelimit+0x55/0x537 [ 1125.559307] oom_kill_process.cold+0x10/0xadd [ 1125.563784] ? oom_unkillable_task+0x294/0x390 [ 1125.568657] ? lock_downgrade+0x740/0x740 [ 1125.572801] out_of_memory+0x2ee/0x1180 [ 1125.576761] ? lock_acquire+0x16f/0x430 [ 1125.580726] ? oom_killer_disable+0x1d0/0x1d0 [ 1125.585314] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1125.590253] __alloc_pages_slowpath+0x2251/0x2930 [ 1125.595089] ? warn_alloc+0xf0/0xf0 [ 1125.598730] ? __might_sleep+0x93/0xb0 [ 1125.602600] __alloc_pages_nodemask+0x62c/0x7a0 [ 1125.607250] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1125.612249] ? cache_grow_begin+0x335/0x400 [ 1125.616551] cache_grow_begin+0x80/0x400 [ 1125.620604] ? __cpuset_node_allowed+0xff/0x450 [ 1125.625262] fallback_alloc+0x1fd/0x2c0 [ 1125.629231] ____cache_alloc_node+0x1be/0x1d0 [ 1125.633710] kmem_cache_alloc_node+0xe3/0x780 [ 1125.638191] __alloc_skb+0x9c/0x500 [ 1125.641813] ? skb_trim+0x180/0x180 [ 1125.645421] ? netlink_has_listeners+0x20a/0x330 [ 1125.650160] kobject_uevent_env+0x6ea/0xc80 [ 1125.654476] ? wait_for_completion+0x420/0x420 [ 1125.659053] kobject_uevent+0x20/0x30 [ 1125.662854] device_del+0x65c/0xaa0 [ 1125.666472] ? __device_links_no_driver+0x220/0x220 [ 1125.671481] ? synchronize_srcu+0x233/0x3e2 [ 1125.675877] ? simple_release_fs+0x8c/0xb0 [ 1125.680097] device_unregister+0x15/0x30 [ 1125.684141] bdi_unregister+0x42b/0x600 [ 1125.688141] ? wb_blkcg_offline+0x180/0x180 [ 1125.692444] ? kernfs_find_ns+0x1b5/0x290 [ 1125.696574] ? mutex_unlock+0xd/0x10 [ 1125.700267] ? kernfs_remove_by_name_ns+0x6b/0x90 [ 1125.705106] del_gendisk+0x405/0x820 [ 1125.708801] ? disk_events_poll_msecs_store+0x150/0x150 [ 1125.714150] ? blk_cleanup_queue+0x446/0x610 [ 1125.718554] md_free+0xc8/0x140 [ 1125.721812] ? lock_rdev+0x110/0x110 [ 1125.725505] kobject_put+0x14e/0x210 [ 1125.729201] mddev_delayed_delete+0x34/0x40 [ 1125.733502] process_one_work+0x863/0x1600 [ 1125.737724] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1125.743866] worker_thread+0x5d9/0x1050 [ 1125.747830] kthread+0x319/0x430 [ 1125.751189] ? process_one_work+0x1600/0x1600 [ 1125.756466] ? kthread_create_on_node+0xd0/0xd0 [ 1125.761124] ret_from_fork+0x24/0x30 [ 1125.774146] Mem-Info: [ 1125.776591] active_anon:154726 inactive_anon:483 isolated_anon:0 [ 1125.776591] active_file:261 inactive_file:189 isolated_file:0 [ 1125.776591] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1125.776591] slab_reclaimable:14706 slab_unreclaimable:116156 [ 1125.776591] mapped:52290 shmem:537 pagetables:3413 bounce:0 [ 1125.776591] free:13745 free_pcp:59 free_cma:0 [ 1125.812340] Node 0 active_anon:546060kB inactive_anon:1924kB active_file:868kB inactive_file:684kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1125.840872] Node 1 active_anon:72844kB inactive_anon:8kB active_file:84kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1125.868512] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:44kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1125.899802] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1125.904913] Node 0 DMA32 free:18012kB min:36380kB low:45472kB high:54564kB active_anon:546012kB inactive_anon:1924kB active_file:948kB inactive_file:760kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8768kB pagetables:11864kB bounce:0kB free_pcp:240kB local_pcp:120kB free_cma:0kB [ 1125.935280] lowmem_reserve[]: 0 0 0 0 0 [ 1125.939295] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1125.964834] lowmem_reserve[]: 0 0 0 0 0 [ 1125.968843] Node 1 Normal free:26576kB min:53508kB low:66884kB high:80260kB active_anon:72844kB inactive_anon:8kB active_file:84kB inactive_file:0kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2816kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1125.978796] syz-executor.1: [ 1125.997216] lowmem_reserve[]: 0 0 0 0 0 [ 1125.997242] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1126.024844] Node 0 DMA32: 2601*4kB (ME) 795*8kB (ME) 36*16kB (M) 7*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18012kB [ 1126.028705] page allocation failure: order:0 [ 1126.041107] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1126.057417] Node 1 Normal: 373*4kB (UME) 182*8kB (UME) 153*16kB (UM) 186*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26580kB [ 1126.079009] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1126.087966] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1126.114678] , mode:0x1404040(GFP_NOFS|__GFP_COMP), nodemask=(null) [ 1126.127909] syz-executor.1 cpuset=syz1 mems_allowed=0-1 [ 1126.133337] CPU: 1 PID: 24178 Comm: syz-executor.1 Not tainted 4.14.167-syzkaller #0 [ 1126.141215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1126.143542] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1126.150559] Call Trace: [ 1126.150578] dump_stack+0x142/0x197 [ 1126.150592] warn_alloc.cold+0x96/0x1af [ 1126.150601] ? zone_watermark_ok_safe+0x2b0/0x2b0 [ 1126.150612] ? trace_hardirqs_on_caller+0x400/0x590 [ 1126.150633] __alloc_pages_slowpath+0x23c6/0x2930 [ 1126.150660] ? warn_alloc+0xf0/0xf0 [ 1126.186904] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1126.188097] ? __might_sleep+0x93/0xb0 [ 1126.200541] __alloc_pages_nodemask+0x62c/0x7a0 [ 1126.205302] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1126.210324] ? cache_grow_begin+0x335/0x400 [ 1126.214653] cache_grow_begin+0x80/0x400 [ 1126.218975] ? __cpuset_node_allowed+0xff/0x450 [ 1126.223648] fallback_alloc+0x1fd/0x2c0 [ 1126.227625] ____cache_alloc_node+0x1be/0x1d0 [ 1126.232156] __kmalloc+0x21a/0x7a0 [ 1126.235699] ? ext4_ext_remove_space+0x17c5/0x3b10 [ 1126.240628] ext4_ext_remove_space+0x17c5/0x3b10 [ 1126.245388] ? save_trace+0x290/0x290 [ 1126.249187] ? ext4_es_remove_extent+0x9f/0x330 [ 1126.253857] ? find_held_lock+0x35/0x130 [ 1126.257926] ? ext4_ext_index_trans_blocks+0x130/0x130 [ 1126.263206] ? lock_downgrade+0x740/0x740 [ 1126.267361] ? _raw_write_unlock+0x2d/0x50 [ 1126.271596] ? ext4_es_remove_extent+0xa4/0x330 [ 1126.276263] ext4_ext_truncate+0x19e/0x1f0 [ 1126.280505] ext4_truncate+0xbab/0x11f0 [ 1126.284479] ? ext4_punch_hole+0x1100/0x1100 [ 1126.288884] ? __ext4_journal_start_sb+0x105/0x450 [ 1126.293810] ? ext4_evict_inode+0x738/0x15d0 [ 1126.294004] 971 total pagecache pages [ 1126.298214] ext4_evict_inode+0x8c1/0x15d0 [ 1126.306236] ? ext4_da_write_begin+0xea0/0xea0 [ 1126.310851] ? _raw_spin_unlock+0x2d/0x50 [ 1126.315020] ? ext4_da_write_begin+0xea0/0xea0 [ 1126.319606] evict+0x2e6/0x630 [ 1126.322804] ? do_raw_spin_unlock+0x174/0x260 [ 1126.327331] iput+0x471/0x900 [ 1126.330439] ? ext4_nfs_commit_metadata+0x2f0/0x2f0 [ 1126.335457] dentry_unlink_inode+0x286/0x340 [ 1126.339958] __dentry_kill+0x32e/0x580 [ 1126.343847] ? dput.part.0+0x2a/0x750 [ 1126.347652] ? dput.part.0+0x2a/0x750 [ 1126.351456] dput.part.0+0x4e3/0x750 [ 1126.355172] dput+0x20/0x30 [ 1126.358102] path_put+0x31/0x70 [ 1126.361385] free_fs_struct+0x25/0x70 [ 1126.365186] exit_fs+0xe7/0x120 [ 1126.368471] do_exit+0x9f4/0x2cd0 [ 1126.371929] ? get_signal+0x319/0x1cd0 [ 1126.375819] ? mm_update_next_owner+0x5d0/0x5d0 [ 1126.380502] do_group_exit+0x111/0x330 [ 1126.384397] get_signal+0x381/0x1cd0 [ 1126.388112] ? trace_hardirqs_on+0x10/0x10 [ 1126.392354] ? save_trace+0x290/0x290 [ 1126.396187] do_signal+0x86/0x19a0 [ 1126.399738] ? setup_sigcontext+0x7d0/0x7d0 [ 1126.404064] ? check_preemption_disabled+0x3c/0x250 [ 1126.409080] ? check_preemption_disabled+0x3c/0x250 [ 1126.414095] ? debug_smp_processor_id+0x1c/0x20 [ 1126.418769] ? perf_trace_sys_exit+0x294/0x400 [ 1126.423356] ? check_preemption_disabled+0x3c/0x250 [ 1126.425977] 0 pages in swap cache [ 1126.428472] ? exit_to_usermode_loop+0x3d/0x220 [ 1126.436582] exit_to_usermode_loop+0x15c/0x220 [ 1126.441187] do_syscall_64+0x4bc/0x640 [ 1126.445094] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1126.449959] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1126.455168] RIP: 0033:0x45b349 [ 1126.458474] RSP: 002b:00007f17f7245cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1126.466183] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 000000000045b349 [ 1126.468540] Swap cache stats: add 0, delete 0, find 0/0 [ 1126.473453] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 1126.473459] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1126.473463] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 1126.473468] R13: 00007fff784422ff R14: 00007f17f72469c0 R15: 000000000075bf2c [ 1126.524389] Free swap = 0kB [ 1126.527438] Total swap = 0kB [ 1126.557471] Mem-Info: [ 1126.566275] active_anon:154726 inactive_anon:483 isolated_anon:0 [ 1126.566275] active_file:236 inactive_file:190 isolated_file:0 [ 1126.566275] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1126.566275] slab_reclaimable:14706 slab_unreclaimable:116161 [ 1126.566275] mapped:52290 shmem:537 pagetables:3413 bounce:0 [ 1126.566275] free:13743 free_pcp:40 free_cma:0 [ 1126.570111] 1965979 pages RAM [ 1126.638608] Node 0 active_anon:546060kB inactive_anon:1924kB active_file:896kB inactive_file:804kB unevictable:0kB isolated(anon):0kB isolated(file):96kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1126.677945] Node 1 active_anon:72844kB inactive_anon:8kB active_file:72kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1126.749409] 0 pages HighMem/MovableOnly [ 1126.753521] 335869 pages reserved [ 1126.756697] Node 0 [ 1126.756988] 0 pages cma reserved [ 1126.756996] Out of memory: Kill process 23505 (syz-executor.3) score 1005 or sacrifice child [ 1126.759230] DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:44kB inactive_file:20kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1126.759235] lowmem_reserve[]: [ 1126.789625] Killed process 23505 (syz-executor.3) total-vm:72852kB, anon-rss:144kB, file-rss:34816kB, shmem-rss:0kB [ 1126.860212] 0 2569 2569 2569 2569 [ 1126.863826] Node 0 DMA32 free:17992kB min:36380kB low:45472kB high:54564kB active_anon:546004kB inactive_anon:1924kB active_file:876kB inactive_file:600kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8768kB pagetables:11908kB bounce:0kB free_pcp:172kB local_pcp:56kB free_cma:0kB [ 1126.929476] lowmem_reserve[]: 0 0 0 0 0 [ 1126.929809] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask= [ 1126.939733] Node 0 [ 1126.981933] (null), order=0, oom_score_adj=0 [ 1126.988735] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1126.997257] CPU: 0 PID: 7248 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1127.004752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1127.004979] Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1127.014098] Call Trace: [ 1127.014114] dump_stack+0x142/0x197 [ 1127.014129] ? perf_trace_drv_tdls_recv_channel_switch+0x540/0xd90 [ 1127.014143] dump_header+0x177/0x6cd [ 1127.038790] lowmem_reserve[]: [ 1127.041343] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1127.041353] ? ___ratelimit+0x55/0x537 [ 1127.041366] oom_kill_process.cold+0x10/0xadd [ 1127.046960] 0 [ 1127.053261] ? oom_unkillable_task+0x294/0x390 [ 1127.053274] ? lock_downgrade+0x740/0x740 [ 1127.053288] out_of_memory+0x2ee/0x1180 [ 1127.056969] 0 0 [ 1127.060061] ? lock_acquire+0x16f/0x430 [ 1127.060076] ? oom_killer_disable+0x1d0/0x1d0 [ 1127.060085] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1127.065162] 0 [ 1127.069037] __alloc_pages_slowpath+0x2251/0x2930 [ 1127.073527] 0 [ 1127.075312] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1127.084011] ? warn_alloc+0xf0/0xf0 [ 1127.084033] ? __might_sleep+0x93/0xb0 [ 1127.087982] Node 1 [ 1127.090069] __alloc_pages_nodemask+0x62c/0x7a0 [ 1127.090081] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1127.090091] ? lock_downgrade+0x740/0x740 [ 1127.094142] Normal free:26580kB min:53508kB low:66884kB high:80260kB active_anon:72840kB inactive_anon:8kB active_file:16kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2816kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1127.098619] alloc_pages_current+0xec/0x1e0 [ 1127.103546] lowmem_reserve[]: [ 1127.105318] __page_cache_alloc+0x248/0x3e0 [ 1127.110163] 0 [ 1127.112040] filemap_fault+0xcef/0x1de0 [ 1127.116874] 0 [ 1127.120495] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1127.120514] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1127.120524] ? lock_acquire+0x16f/0x430 [ 1127.124387] 0 [ 1127.126607] ? ext4_filemap_fault+0x7b/0xb0 [ 1127.131287] 0 [ 1127.136278] ext4_filemap_fault+0x83/0xb0 [ 1127.140414] 0 [ 1127.168838] __do_fault+0x104/0x390 [ 1127.168849] __handle_mm_fault+0x23bd/0x33d0 [ 1127.168861] ? copy_page_range+0x1de0/0x1de0 [ 1127.176255] ? find_held_lock+0x35/0x130 [ 1127.180571] Node 0 [ 1127.182344] ? handle_mm_fault+0x1b6/0x7c0 [ 1127.186292] DMA: [ 1127.188107] handle_mm_fault+0x293/0x7c0 [ 1127.193020] 18*4kB [ 1127.198791] __do_page_fault+0x4c1/0xb80 [ 1127.202763] (UM) [ 1127.204539] ? vmalloc_fault+0xe30/0xe30 [ 1127.208834] 17*8kB [ 1127.210620] ? page_fault+0x2f/0x50 [ 1127.210631] do_page_fault+0x71/0x511 [ 1127.210640] ? page_fault+0x2f/0x50 [ 1127.214776] (UM) [ 1127.216563] page_fault+0x45/0x50 [ 1127.220181] 14*16kB [ 1127.224556] RIP: 0033:0x40ec10 [ 1127.228936] (UM) [ 1127.232974] RSP: 002b:000000c42004fee0 EFLAGS: 00010216 [ 1127.232983] RAX: 0000000001e2bbd8 RBX: 0000000000000006 RCX: 000000c420000480 [ 1127.232988] RDX: 0000000022964e6e RSI: 000000c42004ff10 RDI: 000000c42004feec [ 1127.232993] RBP: 000000c42004ff18 R08: 00007fffb93ee000 R09: 00000117240ba8b2 [ 1127.233000] R10: 00114b2737000000 R11: 0000000000000001 R12: 000000000042f0a0 [ 1127.235212] 15*32kB (M) [ 1127.239427] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 1127.382446] syz-executor.4: page allocation failure: order:0, mode:0x1404040(GFP_NOFS|__GFP_COMP), nodemask=(null) [ 1127.412194] 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1127.415400] syz-executor.4 cpuset=syz4 mems_allowed=0-1 [ 1127.428700] CPU: 0 PID: 30197 Comm: syz-executor.4 Not tainted 4.14.167-syzkaller #0 [ 1127.432020] Node 0 [ 1127.436580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1127.436586] Call Trace: [ 1127.438830] DMA32: [ 1127.448193] dump_stack+0x142/0x197 [ 1127.448207] warn_alloc.cold+0x96/0x1af [ 1127.448215] ? zone_watermark_ok_safe+0x2b0/0x2b0 [ 1127.448227] ? trace_hardirqs_on_caller+0x400/0x590 [ 1127.450828] 2613*4kB [ 1127.453050] __alloc_pages_slowpath+0x23c6/0x2930 [ 1127.456658] (UME) [ 1127.460638] ? warn_alloc+0xf0/0xf0 [ 1127.460657] ? __might_sleep+0x93/0xb0 [ 1127.465485] 801*8kB [ 1127.470601] __alloc_pages_nodemask+0x62c/0x7a0 [ 1127.470613] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1127.470625] ? cache_grow_begin+0x335/0x400 [ 1127.470637] cache_grow_begin+0x80/0x400 [ 1127.473036] (UME) [ 1127.477882] ? __cpuset_node_allowed+0xff/0x450 [ 1127.480053] 38*16kB [ 1127.483629] fallback_alloc+0x1fd/0x2c0 [ 1127.487491] (UM) [ 1127.489809] ____cache_alloc_node+0x1be/0x1d0 [ 1127.494474] 10*32kB [ 1127.499491] __kmalloc+0x21a/0x7a0 [ 1127.503813] (U) [ 1127.507848] ? ext4_ext_remove_space+0x17c5/0x3b10 [ 1127.509971] 5*64kB [ 1127.514626] ext4_ext_remove_space+0x17c5/0x3b10 [ 1127.514637] ? save_trace+0x290/0x290 [ 1127.514649] ? ext4_es_remove_extent+0x9f/0x330 [ 1127.516946] (U) [ 1127.520905] ? find_held_lock+0x35/0x130 [ 1127.520921] ? ext4_ext_index_trans_blocks+0x130/0x130 [ 1127.520930] ? lock_downgrade+0x740/0x740 [ 1127.522984] 1*128kB (U) [ 1127.527474] ? _raw_write_unlock+0x2d/0x50 [ 1127.529770] 0*256kB [ 1127.533290] ? ext4_es_remove_extent+0xa4/0x330 [ 1127.533300] ext4_ext_truncate+0x19e/0x1f0 [ 1127.533313] ext4_truncate+0xbab/0x11f0 [ 1127.535267] 0*512kB [ 1127.540184] ? ext4_punch_hole+0x1100/0x1100 [ 1127.540193] ? __ext4_journal_start_sb+0x105/0x450 [ 1127.540202] ? ext4_evict_inode+0x738/0x15d0 [ 1127.542417] 0*1024kB [ 1127.547158] ext4_evict_inode+0x8c1/0x15d0 [ 1127.550963] 0*2048kB [ 1127.555605] ? ext4_da_write_begin+0xea0/0xea0 [ 1127.557556] 0*4096kB [ 1127.561597] ? _raw_spin_unlock+0x2d/0x50 [ 1127.561604] ? ext4_da_write_begin+0xea0/0xea0 [ 1127.561614] evict+0x2e6/0x630 [ 1127.561623] ? do_raw_spin_unlock+0x174/0x260 [ 1127.566874] = 18236kB [ 1127.571006] iput+0x471/0x900 [ 1127.571016] ? ext4_nfs_commit_metadata+0x2f0/0x2f0 [ 1127.571029] dentry_unlink_inode+0x286/0x340 [ 1127.573693] Node 0 [ 1127.578015] __dentry_kill+0x32e/0x580 [ 1127.580529] Normal: [ 1127.585170] ? dput.part.0+0x2a/0x750 [ 1127.589405] 0*4kB [ 1127.593379] ? dput.part.0+0x2a/0x750 [ 1127.593387] dput.part.0+0x4e3/0x750 [ 1127.593397] dput+0x20/0x30 [ 1127.593407] path_put+0x31/0x70 [ 1127.595711] 0*8kB [ 1127.600120] free_fs_struct+0x25/0x70 [ 1127.600128] exit_fs+0xe7/0x120 [ 1127.600139] do_exit+0x9f4/0x2cd0 [ 1127.600150] ? get_signal+0x319/0x1cd0 [ 1127.605055] 0*16kB [ 1127.609450] ? mm_update_next_owner+0x5d0/0x5d0 [ 1127.611857] 0*32kB [ 1127.616075] do_group_exit+0x111/0x330 [ 1127.618455] 0*64kB [ 1127.623046] get_signal+0x381/0x1cd0 [ 1127.623054] ? trace_hardirqs_on+0x10/0x10 [ 1127.623064] ? save_trace+0x290/0x290 [ 1127.623081] do_signal+0x86/0x19a0 [ 1127.625463] 0*128kB [ 1127.629606] ? setup_sigcontext+0x7d0/0x7d0 [ 1127.634179] 0*256kB [ 1127.637355] ? check_preemption_disabled+0x3c/0x250 [ 1127.641852] 0*512kB [ 1127.644234] ? check_preemption_disabled+0x3c/0x250 [ 1127.647329] 0*1024kB [ 1127.652343] ? debug_smp_processor_id+0x1c/0x20 [ 1127.652352] ? perf_trace_sys_exit+0x294/0x400 [ 1127.652362] ? check_preemption_disabled+0x3c/0x250 [ 1127.656745] 0*2048kB [ 1127.658969] ? exit_to_usermode_loop+0x3d/0x220 [ 1127.662879] 0*4096kB [ 1127.665173] exit_to_usermode_loop+0x15c/0x220 [ 1127.668968] = 0kB [ 1127.668974] Node 1 [ 1127.671141] do_syscall_64+0x4bc/0x640 [ 1127.671149] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1127.671163] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1127.671172] RIP: 0033:0x45b349 [ 1127.674955] Normal: [ 1127.678651] RSP: 002b:00007f9a7c7a4cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1127.681596] 373*4kB [ 1127.684828] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 000000000045b349 [ 1127.684834] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 1127.686962] (UME) [ 1127.690741] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1127.690747] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 1127.690752] R13: 00007ffe09926a5f R14: 00007f9a7c7a59c0 R15: 000000000075bf2c [ 1127.716793] Mem-Info: [ 1127.889003] Mem-Info: [ 1127.890653] 183*8kB (UME) 153*16kB (UM) 186*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26588kB [ 1127.906882] active_anon:154694 inactive_anon:483 isolated_anon:0 [ 1127.906882] active_file:219 inactive_file:221 isolated_file:13 [ 1127.906882] unevictable:0 dirty:397 writeback:1 unstable:0 [ 1127.906882] slab_reclaimable:14707 slab_unreclaimable:116176 [ 1127.906882] mapped:52290 shmem:537 pagetables:3400 bounce:0 [ 1127.906882] free:13777 free_pcp:24 free_cma:0 [ 1127.925184] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1127.958798] Node 0 active_anon:545944kB inactive_anon:1924kB active_file:912kB inactive_file:816kB unevictable:0kB isolated(anon):0kB isolated(file):52kB mapped:209160kB dirty:1556kB writeback:4kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1127.966941] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1128.037622] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1128.040919] Node 1 active_anon:72832kB inactive_anon:8kB active_file:4kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1128.055854] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1128.088785] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1128.101742] 968 total pagecache pages [ 1128.125565] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1128.136053] Node 0 DMA32 free:18060kB min:36380kB low:45472kB high:54564kB active_anon:545896kB inactive_anon:1924kB active_file:928kB inactive_file:732kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8736kB pagetables:11812kB bounce:0kB free_pcp:212kB local_pcp:116kB free_cma:0kB [ 1128.156623] 0 pages in swap cache [ 1128.184150] active_anon:154694 inactive_anon:483 isolated_anon:0 [ 1128.184150] active_file:255 inactive_file:185 isolated_file:13 [ 1128.184150] unevictable:0 dirty:398 writeback:0 unstable:0 [ 1128.184150] slab_reclaimable:14707 slab_unreclaimable:116182 [ 1128.184150] mapped:52290 shmem:537 pagetables:3400 bounce:0 [ 1128.184150] free:13780 free_pcp:30 free_cma:0 [ 1128.194591] Swap cache stats: add 0, delete 0, find 0/0 [ 1128.227705] lowmem_reserve[]: 0 0 0 0 0 [ 1128.231811] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1128.247233] Free swap = 0kB [ 1128.281424] Node 0 active_anon:545944kB inactive_anon:1924kB active_file:936kB inactive_file:780kB unevictable:0kB isolated(anon):0kB isolated(file):52kB mapped:209160kB dirty:1560kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1128.299218] Total swap = 0kB [ 1128.345766] 1965979 pages RAM [ 1128.349034] 0 pages HighMem/MovableOnly [ 1128.354106] lowmem_reserve[]: 0 0 0 0 0 [ 1128.358137] Node 1 Normal free:26588kB min:53508kB low:66884kB high:80260kB active_anon:72832kB inactive_anon:8kB active_file:32kB inactive_file:4kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2816kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1128.364745] 335869 pages reserved [ 1128.408274] Node 1 active_anon:72832kB inactive_anon:8kB active_file:32kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1128.423742] 0 pages cma reserved [ 1128.443125] syz-executor.1: page allocation failure: order:0, mode:0x1404040(GFP_NOFS|__GFP_COMP), nodemask=(null) [ 1128.472071] lowmem_reserve[]: 0 0 0 0 0 [ 1128.476115] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1128.485528] syz-executor.1 cpuset= [ 1128.518060] Node 0 [ 1128.521598] EXT4-fs error (device sda1): ext4_evict_inode:299: comm syz-executor.1: couldn't truncate inode 17426 (err -12) [ 1128.522043] DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:44kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1128.524004] syz1 [ 1128.549353] Node 0 [ 1128.586340] mems_allowed=0-1 [ 1128.599638] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1128.608080] CPU: 1 PID: 24604 Comm: syz-executor.1 Not tainted 4.14.167-syzkaller #0 [ 1128.615982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1128.625338] Call Trace: [ 1128.628043] dump_stack+0x142/0x197 [ 1128.631686] warn_alloc.cold+0x96/0x1af [ 1128.635670] ? zone_watermark_ok_safe+0x2b0/0x2b0 [ 1128.640522] ? trace_hardirqs_on_caller+0x400/0x590 [ 1128.645561] __alloc_pages_slowpath+0x23c6/0x2930 [ 1128.650728] ? warn_alloc+0xf0/0xf0 [ 1128.654391] ? __might_sleep+0x93/0xb0 [ 1128.658309] __alloc_pages_nodemask+0x62c/0x7a0 [ 1128.662998] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1128.668043] ? cache_grow_begin+0x335/0x400 [ 1128.672380] cache_grow_begin+0x80/0x400 [ 1128.676455] ? __cpuset_node_allowed+0xff/0x450 [ 1128.681140] fallback_alloc+0x1fd/0x2c0 [ 1128.685213] ____cache_alloc_node+0x1be/0x1d0 [ 1128.689717] __kmalloc+0x21a/0x7a0 [ 1128.693265] ? ext4_ext_remove_space+0x17c5/0x3b10 [ 1128.698221] ext4_ext_remove_space+0x17c5/0x3b10 [ 1128.702986] ? save_trace+0x290/0x290 [ 1128.706798] ? ext4_es_remove_extent+0x9f/0x330 [ 1128.711478] ? find_held_lock+0x35/0x130 [ 1128.712408] Node 0 DMA32 free:18124kB min:36380kB low:45472kB high:54564kB active_anon:545896kB inactive_anon:1924kB active_file:896kB inactive_file:664kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8736kB pagetables:11812kB bounce:0kB free_pcp:116kB local_pcp:0kB free_cma:0kB [ 1128.715900] ? ext4_ext_index_trans_blocks+0x130/0x130 [ 1128.715910] ? lock_downgrade+0x740/0x740 [ 1128.754940] ? _raw_write_unlock+0x2d/0x50 [ 1128.759273] ? ext4_es_remove_extent+0xa4/0x330 [ 1128.763955] ext4_ext_truncate+0x19e/0x1f0 [ 1128.768550] ext4_truncate+0xbab/0x11f0 [ 1128.768660] DMA32: [ 1128.772544] ? ext4_punch_hole+0x1100/0x1100 [ 1128.772553] ? __ext4_journal_start_sb+0x105/0x450 [ 1128.772560] ? ext4_evict_inode+0x738/0x15d0 [ 1128.772569] ext4_evict_inode+0x8c1/0x15d0 [ 1128.772581] ? ext4_da_write_begin+0xea0/0xea0 [ 1128.772591] ? _raw_spin_unlock+0x2d/0x50 [ 1128.772596] ? ext4_da_write_begin+0xea0/0xea0 [ 1128.772608] evict+0x2e6/0x630 [ 1128.772617] ? do_raw_spin_unlock+0x174/0x260 [ 1128.772628] iput+0x471/0x900 [ 1128.806975] 2602*4kB [ 1128.809243] ? ext4_nfs_commit_metadata+0x2f0/0x2f0 [ 1128.824283] dentry_unlink_inode+0x286/0x340 [ 1128.828699] __dentry_kill+0x32e/0x580 [ 1128.832597] ? dput.part.0+0x2a/0x750 [ 1128.836406] ? dput.part.0+0x2a/0x750 [ 1128.840228] dput.part.0+0x4e3/0x750 [ 1128.843944] dput+0x20/0x30 [ 1128.846983] path_put+0x31/0x70 [ 1128.850367] free_fs_struct+0x25/0x70 [ 1128.851068] (UME) [ 1128.854170] exit_fs+0xe7/0x120 [ 1128.854178] 799*8kB [ 1128.856326] do_exit+0x9f4/0x2cd0 [ 1128.859587] (UME) 38*16kB [ 1128.861926] ? get_signal+0x319/0x1cd0 [ 1128.861939] ? mm_update_next_owner+0x5d0/0x5d0 [ 1128.861958] do_group_exit+0x111/0x330 [ 1128.861968] get_signal+0x381/0x1cd0 [ 1128.861978] ? rcu_read_lock_sched_held+0x110/0x130 [ 1128.862003] do_signal+0x86/0x19a0 [ 1128.862014] ? lock_downgrade+0x740/0x740 [ 1128.862025] ? setup_sigcontext+0x7d0/0x7d0 [ 1128.862032] ? do_send_specific+0x104/0x1c0 [ 1128.862043] ? do_rt_tgsigqueueinfo+0xb2/0x100 [ 1128.862053] ? check_preemption_disabled+0x3c/0x250 [ 1128.862065] ? debug_smp_processor_id+0x1c/0x20 [ 1128.862075] ? perf_trace_sys_exit+0x294/0x400 [ 1128.862083] ? check_preemption_disabled+0x3c/0x250 [ 1128.862094] ? exit_to_usermode_loop+0x3d/0x220 [ 1128.887850] (UM) [ 1128.890536] exit_to_usermode_loop+0x15c/0x220 [ 1128.890550] do_syscall_64+0x4bc/0x640 [ 1128.890557] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1128.890572] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1128.890580] RIP: 0033:0x45b349 [ 1128.890584] RSP: 002b:00007f17f7245c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000129 [ 1128.890595] RAX: 0000000000000000 RBX: 00007f17f72466d4 RCX: 000000000045b349 [ 1128.890599] RDX: 0000000000000013 RSI: 000000000000058d RDI: 000000000000058d [ 1128.890604] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1128.890609] R10: 0000000020000180 R11: 0000000000000246 R12: 00000000ffffffff [ 1128.890614] R13: 0000000000000883 R14: 00000000004c9e5b R15: 000000000075bf2c [ 1129.048614] lowmem_reserve[]: 0 0 0 0 0 [ 1129.057524] Mem-Info: [ 1129.060001] active_anon:154694 inactive_anon:483 isolated_anon:0 [ 1129.060001] active_file:198 inactive_file:216 isolated_file:0 [ 1129.060001] unevictable:0 dirty:399 writeback:1 unstable:0 [ 1129.060001] slab_reclaimable:14707 slab_unreclaimable:116193 [ 1129.060001] mapped:52290 shmem:537 pagetables:3400 bounce:0 [ 1129.060001] free:13723 free_pcp:78 free_cma:0 [ 1129.078121] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1129.140142] Node 0 active_anon:545944kB inactive_anon:1924kB active_file:836kB inactive_file:740kB unevictable:0kB isolated(anon):0kB isolated(file):80kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1129.194251] lowmem_reserve[]: 0 0 0 0 0 [ 1129.216399] Node 1 Normal free:26588kB min:53508kB low:66884kB high:80260kB active_anon:72832kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2816kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1129.235115] Node 1 active_anon:72832kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1129.264604] 9*32kB [ 1129.309133] Node 0 [ 1129.309978] lowmem_reserve[]: [ 1129.311587] DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1129.311592] lowmem_reserve[]: [ 1129.346790] 0 0 0 0 0 [ 1129.366684] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1129.376070] (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18144kB [ 1129.409680] Node 0 DMA32: 2616*4kB (UME) 798*8kB (UME) 38*16kB (UM) 11*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18256kB [ 1129.434204] Node 0 [ 1129.444268] Dropped {multi|broad}cast of type= [86dd] [ 1129.462944] 0 2569 2569 2569 2569 [ 1129.466536] Node 0 DMA32 free:18036kB min:36380kB low:45472kB high:54564kB active_anon:545896kB inactive_anon:1924kB active_file:792kB inactive_file:872kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8704kB pagetables:11812kB bounce:0kB free_pcp:108kB local_pcp:0kB free_cma:0kB [ 1129.478147] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1129.533197] Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1129.553166] Node 1 Normal: 373*4kB (UME) 183*8kB (UME) 153*16kB (UM) 186*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26588kB [ 1129.569138] Node 1 Normal: 373*4kB (UME) 183*8kB (UME) 153*16kB (UM) 186*32kB (UME) 108*64kB (UME) 35*128kB (ME) [ 1129.569596] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1129.569760] 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26588kB [ 1129.602792] lowmem_reserve[]: 0 0 0 0 0 [ 1129.604232] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1129.606797] Node 0 [ 1129.635248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1129.653438] Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1129.654677] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1129.688381] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1129.697122] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1129.711488] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1129.720261] lowmem_reserve[]: 0 0 0 0 0 [ 1129.724303] Node 1 Normal free:26588kB min:53508kB low:66884kB high:80260kB active_anon:72832kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2816kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1129.760984] syz-executor.5: page allocation failure: order:0, mode:0x1404040(GFP_NOFS|__GFP_COMP), nodemask=(null) [ 1129.796497] 969 total pagecache pages [ 1129.802373] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1129.809116] 0 pages in swap cache [ 1129.824301] syz-executor.5 cpuset=syz5 mems_allowed=0-1 [ 1129.829771] CPU: 1 PID: 25468 Comm: syz-executor.5 Not tainted 4.14.167-syzkaller #0 [ 1129.838007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1129.847362] Call Trace: [ 1129.850039] dump_stack+0x142/0x197 [ 1129.853676] warn_alloc.cold+0x96/0x1af [ 1129.857654] ? zone_watermark_ok_safe+0x2b0/0x2b0 [ 1129.862502] ? trace_hardirqs_on_caller+0x400/0x590 [ 1129.867543] __alloc_pages_slowpath+0x23c6/0x2930 [ 1129.868670] 969 total pagecache pages [ 1129.872399] ? warn_alloc+0xf0/0xf0 [ 1129.872418] ? __might_sleep+0x93/0xb0 [ 1129.872429] __alloc_pages_nodemask+0x62c/0x7a0 [ 1129.872440] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1129.872452] ? cache_grow_begin+0x335/0x400 [ 1129.872463] cache_grow_begin+0x80/0x400 [ 1129.872472] ? __cpuset_node_allowed+0xff/0x450 [ 1129.872482] fallback_alloc+0x1fd/0x2c0 [ 1129.872496] ____cache_alloc_node+0x1be/0x1d0 [ 1129.872505] __kmalloc+0x21a/0x7a0 [ 1129.872519] ? ext4_ext_remove_space+0x17c5/0x3b10 [ 1129.916260] 0 pages in swap cache [ 1129.918658] ext4_ext_remove_space+0x17c5/0x3b10 [ 1129.931776] ? save_trace+0x290/0x290 [ 1129.935582] ? ext4_es_remove_extent+0x9f/0x330 [ 1129.936738] Swap cache stats: add 0, delete 0, find 0/0 [ 1129.940258] ? find_held_lock+0x35/0x130 [ 1129.940276] ? ext4_ext_index_trans_blocks+0x130/0x130 [ 1129.940284] ? lock_downgrade+0x740/0x740 [ 1129.940298] ? _raw_write_unlock+0x2d/0x50 [ 1129.940306] ? ext4_es_remove_extent+0xa4/0x330 [ 1129.940315] ext4_ext_truncate+0x19e/0x1f0 [ 1129.940328] ext4_truncate+0xbab/0x11f0 [ 1129.940340] ? ext4_punch_hole+0x1100/0x1100 [ 1129.940348] ? __ext4_journal_start_sb+0x105/0x450 [ 1129.940357] ? ext4_evict_inode+0x738/0x15d0 [ 1129.988859] Free swap = 0kB [ 1129.989947] ext4_evict_inode+0x8c1/0x15d0 [ 1129.997179] ? ext4_da_write_begin+0xea0/0xea0 [ 1130.001773] ? _raw_spin_unlock+0x2d/0x50 [ 1130.005925] ? ext4_da_write_begin+0xea0/0xea0 [ 1130.010520] evict+0x2e6/0x630 [ 1130.013715] ? do_raw_spin_unlock+0x174/0x260 [ 1130.018241] iput+0x471/0x900 [ 1130.021361] ? ext4_nfs_commit_metadata+0x2f0/0x2f0 [ 1130.026383] dentry_unlink_inode+0x286/0x340 [ 1130.030823] __dentry_kill+0x32e/0x580 [ 1130.034721] ? dput.part.0+0x2a/0x750 [ 1130.038541] ? dput.part.0+0x2a/0x750 [ 1130.042379] dput.part.0+0x4e3/0x750 [ 1130.046099] dput+0x20/0x30 [ 1130.049036] path_put+0x31/0x70 [ 1130.052407] free_fs_struct+0x25/0x70 [ 1130.056213] exit_fs+0xe7/0x120 [ 1130.059495] do_exit+0x9f4/0x2cd0 [ 1130.062951] ? get_signal+0x319/0x1cd0 [ 1130.066857] ? mm_update_next_owner+0x5d0/0x5d0 [ 1130.070125] Total swap = 0kB [ 1130.071554] do_group_exit+0x111/0x330 [ 1130.074553] 1965979 pages RAM [ 1130.078435] get_signal+0x381/0x1cd0 [ 1130.085247] do_signal+0x86/0x19a0 [ 1130.088792] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1130.093907] ? lock_downgrade+0x740/0x740 [ 1130.098054] ? setup_sigcontext+0x7d0/0x7d0 [ 1130.102389] ? do_send_specific+0x104/0x1c0 [ 1130.106714] ? check_preemption_disabled+0x3c/0x250 [ 1130.111743] ? exit_to_usermode_loop+0x3d/0x220 [ 1130.116413] exit_to_usermode_loop+0x15c/0x220 [ 1130.120995] do_syscall_64+0x4bc/0x640 [ 1130.124892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1130.129746] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1130.134936] RIP: 0033:0x45b349 [ 1130.138126] RSP: 002b:00007f8fcad24c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000c8 [ 1130.145840] RAX: 0000000000000000 RBX: 00007f8fcad256d4 RCX: 000000000045b349 [ 1130.153111] RDX: 0000000000000000 RSI: 0001000000000016 RDI: 0000000000000643 [ 1130.160377] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1130.167645] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 1130.174922] R13: 0000000000000bd7 R14: 00000000004ccc27 R15: 000000000075bf2c [ 1130.187590] 0 pages HighMem/MovableOnly [ 1130.207855] Swap cache stats: add 0, delete 0, find 0/0 [ 1130.215076] 335869 pages reserved [ 1130.218547] 0 pages cma reserved [ 1130.219774] Free swap = 0kB [ 1130.228402] Total swap = 0kB [ 1130.247338] 1965979 pages RAM [ 1130.250533] 0 pages HighMem/MovableOnly [ 1130.255693] 335869 pages reserved [ 1130.259149] 0 pages cma reserved [ 1130.279433] lowmem_reserve[]: 0 0 0 0 0 [ 1130.283841] Out of memory: Kill process 21900 (syz-executor.3) score 1005 or sacrifice child [ 1130.309115] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1130.334219] Killed process 21900 (syz-executor.3) total-vm:72588kB, anon-rss:164kB, file-rss:34752kB, shmem-rss:0kB [ 1130.350623] Node 0 DMA32: 2607*4kB (UME) 798*8kB (UME) 39*16kB (UM) 10*32kB (U) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18204kB [ 1130.365143] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1130.396748] Node 1 Normal: 373*4kB (UME) 183*8kB (UME) 153*16kB (UM) 186*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26588kB [ 1130.424893] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1130.439508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1130.488592] oom_reaper: reaped process 21900 (syz-executor.3), now anon-rss:0kB, file-rss:64kB, shmem-rss:0kB [ 1130.505899] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1130.519714] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1130.527128] kworker/0:0 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1130.547583] 969 total pagecache pages [ 1130.578216] kworker/0:0 cpuset=/ mems_allowed=0-1 [ 1130.586614] 0 pages in swap cache [ 1130.602883] CPU: 0 PID: 3 Comm: kworker/0:0 Not tainted 4.14.167-syzkaller #0 [ 1130.610179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1130.611434] Swap cache stats: add 0, delete 0, find 0/0 [ 1130.619566] Call Trace: [ 1130.627490] dump_stack+0x142/0x197 [ 1130.629598] Free swap = 0kB [ 1130.631118] dump_header+0x177/0x6cd [ 1130.631128] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1130.631137] ? ___ratelimit+0x55/0x537 [ 1130.631148] oom_kill_process.cold+0x10/0xadd [ 1130.634163] Total swap = 0kB [ 1130.637886] ? oom_unkillable_task+0x294/0x390 [ 1130.643013] 1965979 pages RAM [ 1130.646843] ? lock_downgrade+0x740/0x740 [ 1130.651367] 0 pages HighMem/MovableOnly [ 1130.654348] out_of_memory+0x2ee/0x1180 [ 1130.658900] 335869 pages reserved [ 1130.661998] ? lock_acquire+0x16f/0x430 [ 1130.662012] ? oom_killer_disable+0x1d0/0x1d0 [ 1130.662021] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1130.662032] __alloc_pages_slowpath+0x2251/0x2930 [ 1130.666169] 0 pages cma reserved [ 1130.670145] ? warn_alloc+0xf0/0xf0 [ 1130.670167] ? __might_sleep+0x93/0xb0 [ 1130.674284] EXT4-fs error (device sda1): ext4_evict_inode:299: comm syz-executor.1: couldn't truncate inode 17885 (err -12) [ 1130.677677] __alloc_pages_nodemask+0x62c/0x7a0 [ 1130.681914] Mem-Info: [ 1130.686137] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1130.691120] active_anon:154694 inactive_anon:483 isolated_anon:0 [ 1130.691120] active_file:237 inactive_file:222 isolated_file:0 [ 1130.691120] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1130.691120] slab_reclaimable:14707 slab_unreclaimable:116205 [ 1130.691120] mapped:52290 shmem:537 pagetables:3363 bounce:0 [ 1130.691120] free:13777 free_pcp:57 free_cma:0 [ 1130.695909] ? ____cache_alloc_node+0x1be/0x1d0 [ 1130.699255] Node 0 active_anon:545944kB inactive_anon:1924kB active_file:924kB inactive_file:876kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209160kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1130.702869] ? cache_grow_begin+0x335/0x400 [ 1130.702882] cache_grow_begin+0x80/0x400 [ 1130.702893] ? __cpuset_node_allowed+0xff/0x450 [ 1130.702903] fallback_alloc+0x1fd/0x2c0 [ 1130.706788] Node 1 active_anon:72832kB inactive_anon:8kB active_file:24kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1130.718142] ____cache_alloc_node+0x1be/0x1d0 [ 1130.718155] kmem_cache_alloc_trace+0x213/0x790 [ 1130.718164] ? __lockdep_init_map+0x10c/0x570 [ 1130.718178] ? process_one_work+0x1600/0x1600 [ 1130.722844] Node 0 [ 1130.725222] __kthread_create_on_node+0xe3/0x3e0 [ 1130.730246] DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:24kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1130.763564] ? kthread_park+0x140/0x140 [ 1130.763576] ? vsnprintf+0x290/0x1560 [ 1130.763594] ? process_one_work+0x1600/0x1600 [ 1130.763605] kthread_create_on_node+0xa8/0xd0 [ 1130.768257] lowmem_reserve[]: [ 1130.796390] ? __kthread_create_on_node+0x3e0/0x3e0 [ 1130.796401] ? vsprintf+0x40/0x40 [ 1130.796419] create_worker+0x245/0x530 [ 1130.796430] ? alloc_worker+0x1c0/0x1c0 [ 1130.800754] 0 [ 1130.804798] ? trace_hardirqs_on_caller+0x400/0x590 [ 1130.809455] 2569 [ 1130.813430] worker_thread+0xa44/0x1050 [ 1130.813453] kthread+0x319/0x430 [ 1130.813461] ? process_one_work+0x1600/0x1600 [ 1130.813471] ? kthread_create_on_node+0xd0/0xd0 [ 1130.839798] 2569 [ 1130.844257] ret_from_fork+0x24/0x30 [ 1130.858997] Mem-Info: [ 1130.988156] active_anon:154694 inactive_anon:483 isolated_anon:0 [ 1130.988156] active_file:225 inactive_file:193 isolated_file:64 [ 1130.988156] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1130.988156] slab_reclaimable:14707 slab_unreclaimable:116205 [ 1130.988156] mapped:52290 shmem:537 pagetables:3363 bounce:0 [ 1130.988156] free:13777 free_pcp:57 free_cma:0 [ 1130.999831] 2569 [ 1131.054615] Node 0 active_anon:545940kB inactive_anon:1924kB active_file:932kB inactive_file:744kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209096kB dirty:1556kB writeback:8kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1131.056545] 2569 [ 1131.056845] Node 1 active_anon:72832kB inactive_anon:8kB active_file:44kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1131.113304] Node 0 DMA32 free:18136kB min:36380kB low:45472kB high:54564kB active_anon:545892kB inactive_anon:1924kB active_file:888kB inactive_file:712kB unevictable:0kB writepending:1504kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8672kB pagetables:11712kB bounce:0kB free_pcp:228kB local_pcp:124kB free_cma:0kB [ 1131.166305] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:44kB inactive_file:32kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1131.176739] lowmem_reserve[]: [ 1131.215809] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1131.229078] 0 0 0 0 0 [ 1131.235945] Node 0 DMA32 free:18144kB min:36380kB low:45472kB high:54564kB active_anon:545804kB inactive_anon:1924kB active_file:924kB inactive_file:760kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8672kB pagetables:11712kB bounce:0kB free_pcp:212kB local_pcp:88kB free_cma:0kB [ 1131.242682] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1131.317404] lowmem_reserve[]: [ 1131.349920] lowmem_reserve[]: [ 1131.352653] 0 0 0 0 0 [ 1131.358676] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1131.361010] 0 [ 1131.409156] lowmem_reserve[]: [ 1131.417090] 0 0 0 0 [ 1131.449824] Node 1 Normal free:26620kB min:53508kB low:66884kB high:80260kB active_anon:72832kB inactive_anon:8kB active_file:32kB inactive_file:4kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2784kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1131.462545] 0 0 0 0 0 [ 1131.496428] Node 1 Normal free:26620kB min:53508kB low:66884kB high:80260kB active_anon:72832kB inactive_anon:8kB active_file:32kB inactive_file:4kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2784kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1131.501000] lowmem_reserve[]: [ 1131.556153] lowmem_reserve[]: 0 0 0 0 0 [ 1131.561577] 0 0 0 0 0 [ 1131.565852] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1131.579175] Node 0 [ 1131.589564] syz-executor.3: page allocation failure: order:0, mode:0x1404040(GFP_NOFS|__GFP_COMP), nodemask=(null) [ 1131.608548] DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1131.626309] syz-executor.3 cpuset=syz3 mems_allowed=0-1 [ 1131.637269] CPU: 1 PID: 23713 Comm: syz-executor.3 Not tainted 4.14.167-syzkaller #0 [ 1131.645166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1131.654516] Call Trace: [ 1131.657113] dump_stack+0x142/0x197 [ 1131.660748] warn_alloc.cold+0x96/0x1af [ 1131.662566] Node 0 [ 1131.664716] ? zone_watermark_ok_safe+0x2b0/0x2b0 [ 1131.664718] DMA32: 2574*4kB [ 1131.666959] ? trace_hardirqs_on_caller+0x400/0x590 [ 1131.679822] __alloc_pages_slowpath+0x23c6/0x2930 [ 1131.684683] ? warn_alloc+0xf0/0xf0 [ 1131.688324] ? __might_sleep+0x93/0xb0 [ 1131.689277] Node 0 [ 1131.692224] __alloc_pages_nodemask+0x62c/0x7a0 [ 1131.692237] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1131.692250] ? cache_grow_begin+0x335/0x400 [ 1131.692261] cache_grow_begin+0x80/0x400 [ 1131.692270] ? __cpuset_node_allowed+0xff/0x450 [ 1131.692281] fallback_alloc+0x1fd/0x2c0 [ 1131.692295] ____cache_alloc_node+0x1be/0x1d0 [ 1131.692305] __kmalloc+0x21a/0x7a0 [ 1131.692318] ? ext4_ext_remove_space+0x17c5/0x3b10 [ 1131.734110] ext4_ext_remove_space+0x17c5/0x3b10 [ 1131.738875] ? save_trace+0x290/0x290 [ 1131.742678] ? ext4_es_remove_extent+0x9f/0x330 [ 1131.747359] ? find_held_lock+0x35/0x130 [ 1131.751434] ? ext4_ext_index_trans_blocks+0x130/0x130 [ 1131.756716] ? lock_downgrade+0x740/0x740 [ 1131.760868] ? _raw_write_unlock+0x2d/0x50 [ 1131.765108] ? ext4_es_remove_extent+0xa4/0x330 [ 1131.766558] DMA32: [ 1131.769785] ext4_ext_truncate+0x19e/0x1f0 [ 1131.769787] 2574*4kB (UME) [ 1131.772026] ext4_truncate+0xbab/0x11f0 [ 1131.772038] ? ext4_punch_hole+0x1100/0x1100 [ 1131.772046] ? __ext4_journal_start_sb+0x105/0x450 [ 1131.772054] ? ext4_evict_inode+0x738/0x15d0 [ 1131.772063] ext4_evict_inode+0x8c1/0x15d0 [ 1131.772074] ? ext4_da_write_begin+0xea0/0xea0 [ 1131.772084] ? _raw_spin_unlock+0x2d/0x50 [ 1131.772089] ? ext4_da_write_begin+0xea0/0xea0 [ 1131.772100] evict+0x2e6/0x630 [ 1131.772110] ? do_raw_spin_unlock+0x174/0x260 [ 1131.798699] 796*8kB [ 1131.801163] iput+0x471/0x900 [ 1131.801176] ? ext4_nfs_commit_metadata+0x2f0/0x2f0 [ 1131.801188] dentry_unlink_inode+0x286/0x340 [ 1131.801198] __dentry_kill+0x32e/0x580 [ 1131.801204] ? dput.part.0+0x2a/0x750 [ 1131.801212] ? dput.part.0+0x2a/0x750 [ 1131.801220] dput.part.0+0x4e3/0x750 [ 1131.801231] dput+0x20/0x30 [ 1131.801240] path_put+0x31/0x70 [ 1131.801249] free_fs_struct+0x25/0x70 [ 1131.801256] exit_fs+0xe7/0x120 [ 1131.801267] do_exit+0x9f4/0x2cd0 [ 1131.801279] ? get_signal+0x319/0x1cd0 [ 1131.801291] ? mm_update_next_owner+0x5d0/0x5d0 [ 1131.801310] do_group_exit+0x111/0x330 [ 1131.801322] get_signal+0x381/0x1cd0 [ 1131.801330] ? trace_hardirqs_on+0x10/0x10 [ 1131.801341] ? save_trace+0x290/0x290 [ 1131.814708] (UME) [ 1131.817794] do_signal+0x86/0x19a0 [ 1131.825162] (UME) [ 1131.827684] ? setup_sigcontext+0x7d0/0x7d0 [ 1131.842083] 796*8kB [ 1131.844857] ? check_preemption_disabled+0x3c/0x250 [ 1131.848632] (UME) [ 1131.852330] ? check_preemption_disabled+0x3c/0x250 [ 1131.852341] ? debug_smp_processor_id+0x1c/0x20 [ 1131.852349] ? perf_trace_sys_exit+0x294/0x400 [ 1131.852373] ? check_preemption_disabled+0x3c/0x250 [ 1131.852385] ? exit_to_usermode_loop+0x3d/0x220 [ 1131.852399] exit_to_usermode_loop+0x15c/0x220 [ 1131.852411] do_syscall_64+0x4bc/0x640 [ 1131.852419] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1131.852434] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1131.852441] RIP: 0033:0x45b349 [ 1131.852446] RSP: 002b:00007f7534ea7cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1131.852455] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 000000000045b349 [ 1131.852460] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 1131.852467] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1131.878836] 37*16kB [ 1131.881559] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 1131.881564] R13: 00007ffefb9954ef R14: 00007f7534ea89c0 R15: 000000000075bf2c [ 1131.905664] Mem-Info: [ 1131.961133] 37*16kB [ 1131.989057] active_anon:154671 inactive_anon:483 isolated_anon:0 [ 1131.989057] active_file:245 inactive_file:211 isolated_file:12 [ 1131.989057] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1131.989057] slab_reclaimable:14707 slab_unreclaimable:116219 [ 1131.989057] mapped:52274 shmem:537 pagetables:3375 bounce:0 [ 1131.989057] free:13799 free_pcp:0 free_cma:0 [ 1132.010350] (M) [ 1132.046717] Node 0 active_anon:545852kB inactive_anon:1924kB active_file:1012kB inactive_file:772kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209096kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1132.059457] (M) 10*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18088kB [ 1132.102646] Node 1 active_anon:72832kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1132.122796] 10*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18088kB [ 1132.139803] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1132.161482] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1132.169561] Node 0 [ 1132.175566] Node 1 Normal: 373*4kB (UME) 183*8kB (UME) 153*16kB (UM) 187*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26620kB [ 1132.187114] DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:44kB inactive_file:12kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1132.219753] Node 1 Normal: 373*4kB (UME) 183*8kB (UME) 153*16kB (UM) 187*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26620kB [ 1132.262406] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1132.275640] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1132.284559] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1132.298038] Node 0 DMA32 free:17964kB min:36380kB low:45472kB high:54564kB active_anon:545804kB inactive_anon:1924kB active_file:912kB inactive_file:708kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8672kB pagetables:11712kB bounce:0kB free_pcp:224kB local_pcp:104kB free_cma:0kB [ 1132.303516] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1132.358691] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1132.387952] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1132.394760] lowmem_reserve[]: 0 0 0 0 0 [ 1132.419791] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1132.425430] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1132.445220] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1132.475542] 969 total pagecache pages [ 1132.479492] 0 pages in swap cache [ 1132.484286] Swap cache stats: add 0, delete 0, find 0/0 [ 1132.502930] Free swap = 0kB [ 1132.505980] Total swap = 0kB [ 1132.507783] lowmem_reserve[]: 0 [ 1132.509001] 1965979 pages RAM [ 1132.509006] 0 pages HighMem/MovableOnly [ 1132.537320] 335869 pages reserved [ 1132.545871] 0 0 0 0 [ 1132.546601] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1132.548228] Node 1 [ 1132.573679] 0 pages cma reserved [ 1132.579328] EXT4-fs error (device sda1): ext4_evict_inode:299: comm syz-executor.5: couldn't truncate inode 17053 (err -12) [ 1132.587129] Normal free:26620kB min:53508kB low:66884kB high:80260kB active_anon:72832kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2784kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1132.607145] 969 total pagecache pages [ 1132.666312] 0 pages in swap cache [ 1132.668004] lowmem_reserve[]: [ 1132.669794] Swap cache stats: add 0, delete 0, find 0/0 [ 1132.669799] Free swap = 0kB [ 1132.676727] 0 [ 1132.689944] Total swap = 0kB [ 1132.694894] 1965979 pages RAM [ 1132.697990] 0 pages HighMem/MovableOnly [ 1132.698347] 0 0 0 0 [ 1132.708093] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1132.716809] 335869 pages reserved [ 1132.742146] Node 0 DMA32: 2604*4kB (UME) 795*8kB (UME) 37*16kB (M) 2*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17944kB [ 1132.756314] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1132.765623] 0 pages cma reserved [ 1132.778920] Node 1 Normal: 373*4kB (UME) 183*8kB (UME) 153*16kB (UM) 187*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26620kB [ 1132.807506] Out of memory: Kill process 21931 (syz-executor.3) score 1005 or sacrifice child [ 1132.812382] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1132.835586] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1132.840846] Killed process 21931 (syz-executor.3) total-vm:72588kB, anon-rss:164kB, file-rss:34752kB, shmem-rss:0kB [ 1132.858804] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1132.882470] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1132.906588] 969 total pagecache pages [ 1132.938758] 0 pages in swap cache [ 1132.942278] Swap cache stats: add 0, delete 0, find 0/0 [ 1132.947636] Free swap = 0kB [ 1132.975510] Total swap = 0kB [ 1132.978568] 1965979 pages RAM [ 1132.999951] 0 pages HighMem/MovableOnly [ 1133.004374] kworker/0:2 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1133.013870] 335869 pages reserved [ 1133.039637] 0 pages cma reserved [ 1133.056998] kworker/0:2 cpuset=/ mems_allowed=0-1 [ 1133.066384] CPU: 0 PID: 2866 Comm: kworker/0:2 Not tainted 4.14.167-syzkaller #0 [ 1133.073933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1133.083331] Workqueue: md_misc mddev_delayed_delete [ 1133.088328] Call Trace: [ 1133.090902] dump_stack+0x142/0x197 [ 1133.094534] dump_header+0x177/0x6cd [ 1133.098233] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1133.103342] ? ___ratelimit+0x55/0x537 [ 1133.107215] oom_kill_process.cold+0x10/0xadd [ 1133.111691] ? oom_unkillable_task+0x294/0x390 [ 1133.116276] ? lock_downgrade+0x740/0x740 [ 1133.120408] out_of_memory+0x2ee/0x1180 [ 1133.124363] ? lock_acquire+0x16f/0x430 [ 1133.128327] ? oom_killer_disable+0x1d0/0x1d0 [ 1133.132803] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1133.137712] __alloc_pages_slowpath+0x2251/0x2930 [ 1133.142545] ? warn_alloc+0xf0/0xf0 [ 1133.146166] ? __might_sleep+0x93/0xb0 [ 1133.150042] __alloc_pages_nodemask+0x62c/0x7a0 [ 1133.154704] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1133.159817] ? cache_grow_begin+0x335/0x400 [ 1133.164120] cache_grow_begin+0x80/0x400 [ 1133.168211] ? __cpuset_node_allowed+0xff/0x450 [ 1133.172860] fallback_alloc+0x1fd/0x2c0 [ 1133.176825] ____cache_alloc_node+0x1be/0x1d0 [ 1133.181302] kmem_cache_alloc_node+0xe3/0x780 [ 1133.185781] __alloc_skb+0x9c/0x500 [ 1133.189386] ? skb_trim+0x180/0x180 [ 1133.192995] ? netlink_has_listeners+0x20a/0x330 [ 1133.197747] kobject_uevent_env+0x6ea/0xc80 [ 1133.202058] ? wait_for_completion+0x420/0x420 [ 1133.207679] kobject_uevent+0x20/0x30 [ 1133.211458] device_del+0x65c/0xaa0 [ 1133.215064] ? __device_links_no_driver+0x220/0x220 [ 1133.220060] ? synchronize_srcu+0x233/0x3e2 [ 1133.224366] ? simple_release_fs+0x8c/0xb0 [ 1133.228590] device_unregister+0x15/0x30 [ 1133.232629] bdi_unregister+0x42b/0x600 [ 1133.236580] ? wb_blkcg_offline+0x180/0x180 [ 1133.240880] ? kernfs_find_ns+0x1b5/0x290 [ 1133.245006] ? mutex_unlock+0xd/0x10 [ 1133.248708] ? kernfs_remove_by_name_ns+0x6b/0x90 [ 1133.253531] del_gendisk+0x405/0x820 [ 1133.257228] ? disk_events_poll_msecs_store+0x150/0x150 [ 1133.262570] ? blk_cleanup_queue+0x446/0x610 [ 1133.266958] md_free+0xc8/0x140 [ 1133.270216] ? lock_rdev+0x110/0x110 [ 1133.274017] kobject_put+0x14e/0x210 [ 1133.277720] mddev_delayed_delete+0x34/0x40 [ 1133.282024] process_one_work+0x863/0x1600 [ 1133.286245] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1133.290912] worker_thread+0x5d9/0x1050 [ 1133.294882] kthread+0x319/0x430 [ 1133.298230] ? process_one_work+0x1600/0x1600 [ 1133.302703] ? kthread_create_on_node+0xd0/0xd0 [ 1133.307431] ret_from_fork+0x24/0x30 [ 1133.322523] Mem-Info: [ 1133.324974] active_anon:154642 inactive_anon:483 isolated_anon:0 [ 1133.324974] active_file:204 inactive_file:145 isolated_file:26 [ 1133.324974] unevictable:0 dirty:397 writeback:1 unstable:0 [ 1133.324974] slab_reclaimable:14707 slab_unreclaimable:116237 [ 1133.324974] mapped:52258 shmem:537 pagetables:3350 bounce:0 [ 1133.324974] free:13770 free_pcp:64 free_cma:0 [ 1133.358479] Node 0 active_anon:545736kB inactive_anon:1924kB active_file:760kB inactive_file:800kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209032kB dirty:1556kB writeback:4kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1133.386590] Node 1 active_anon:72832kB inactive_anon:8kB active_file:44kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1133.414493] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:4kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1133.458344] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1133.463496] Node 0 DMA32 free:17960kB min:36380kB low:45472kB high:54564kB active_anon:545688kB inactive_anon:1924kB active_file:820kB inactive_file:768kB unevictable:0kB writepending:1500kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8640kB pagetables:11612kB bounce:0kB free_pcp:348kB local_pcp:136kB free_cma:0kB [ 1133.493032] lowmem_reserve[]: 0 0 0 0 0 [ 1133.497008] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1133.522433] lowmem_reserve[]: 0 0 0 0 0 [ 1133.526408] Node 1 Normal free:26620kB min:53508kB low:66884kB high:80260kB active_anon:72832kB inactive_anon:8kB active_file:40kB inactive_file:0kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2784kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1133.554773] lowmem_reserve[]: 0 0 0 0 0 [ 1133.558775] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1133.586821] Node 0 DMA32: 2588*4kB (UME) 795*8kB (UME) 37*16kB (M) 5*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17976kB [ 1133.601001] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1133.614447] Node 1 Normal: 373*4kB (UME) 183*8kB (UME) 153*16kB (UM) 187*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26620kB [ 1133.633374] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1133.644942] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1133.676367] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1133.707566] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1133.716247] 970 total pagecache pages [ 1133.725673] 0 pages in swap cache [ 1133.729154] Swap cache stats: add 0, delete 0, find 0/0 [ 1133.734574] Free swap = 0kB [ 1133.737592] Total swap = 0kB [ 1133.740661] 1965979 pages RAM [ 1133.743758] 0 pages HighMem/MovableOnly [ 1133.747721] 335869 pages reserved [ 1133.751239] 0 pages cma reserved [ 1133.754609] Out of memory: Kill process 21955 (syz-executor.3) score 1005 or sacrifice child [ 1133.763260] Killed process 21955 (syz-executor.3) total-vm:72588kB, anon-rss:164kB, file-rss:34752kB, shmem-rss:0kB [ 1133.826160] oom_reaper: reaped process 21955 (syz-executor.3), now anon-rss:0kB, file-rss:64kB, shmem-rss:0kB [ 1133.934290] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1133.949175] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1133.987644] CPU: 0 PID: 7251 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1133.995119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1134.004577] Call Trace: [ 1134.007172] dump_stack+0x142/0x197 [ 1134.010800] dump_header+0x177/0x6cd [ 1134.014502] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1134.019645] ? ___ratelimit+0x55/0x537 [ 1134.023566] oom_kill_process.cold+0x10/0xadd [ 1134.028041] ? oom_unkillable_task+0x294/0x390 [ 1134.032607] ? lock_downgrade+0x740/0x740 [ 1134.036758] out_of_memory+0x2ee/0x1180 [ 1134.040718] ? lock_acquire+0x16f/0x430 [ 1134.044673] ? oom_killer_disable+0x1d0/0x1d0 [ 1134.049294] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1134.054224] __alloc_pages_slowpath+0x2251/0x2930 [ 1134.059084] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1134.063913] ? warn_alloc+0xf0/0xf0 [ 1134.067537] ? __might_sleep+0x93/0xb0 [ 1134.071407] __alloc_pages_nodemask+0x62c/0x7a0 [ 1134.076071] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1134.081072] ? lock_downgrade+0x740/0x740 [ 1134.085215] alloc_pages_current+0xec/0x1e0 [ 1134.089542] __page_cache_alloc+0x248/0x3e0 [ 1134.093847] filemap_fault+0xcef/0x1de0 [ 1134.097800] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1134.102722] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1134.107374] ? lock_acquire+0x16f/0x430 [ 1134.111328] ? ext4_filemap_fault+0x7b/0xb0 [ 1134.115636] ext4_filemap_fault+0x83/0xb0 [ 1134.119767] __do_fault+0x104/0x390 [ 1134.123390] __handle_mm_fault+0x23bd/0x33d0 [ 1134.127798] ? copy_page_range+0x1de0/0x1de0 [ 1134.132192] ? find_held_lock+0x35/0x130 [ 1134.136235] ? handle_mm_fault+0x1b6/0x7c0 [ 1134.140462] handle_mm_fault+0x293/0x7c0 [ 1134.144507] __do_page_fault+0x4c1/0xb80 [ 1134.148548] ? vmalloc_fault+0xe30/0xe30 [ 1134.152598] ? page_fault+0x2f/0x50 [ 1134.156217] do_page_fault+0x71/0x511 [ 1134.160035] ? page_fault+0x2f/0x50 [ 1134.163653] page_fault+0x45/0x50 [ 1134.167092] RIP: 0033:0x4284f0 [ 1134.170271] RSP: 002b:000000c420039ea8 EFLAGS: 00010202 [ 1134.175655] RAX: ffffffffffffff92 RBX: 0000000039f61529 RCX: 000000000045b153 [ 1134.182908] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e12120 [ 1134.190163] RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 [ 1134.197420] R10: 000000c420039ed8 R11: 0000000000000202 R12: 000000e6207d3b96 [ 1134.204673] R13: 0000000000000001 R14: 0000000000000121 R15: 0000000000000200 [ 1134.239213] Mem-Info: [ 1134.241864] active_anon:154613 inactive_anon:483 isolated_anon:0 [ 1134.241864] active_file:219 inactive_file:144 isolated_file:64 [ 1134.241864] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1134.241864] slab_reclaimable:14707 slab_unreclaimable:116255 [ 1134.241864] mapped:52242 shmem:537 pagetables:3325 bounce:0 [ 1134.241864] free:13780 free_pcp:30 free_cma:0 [ 1134.280875] Node 0 active_anon:545620kB inactive_anon:1924kB active_file:752kB inactive_file:756kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208968kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1134.314581] Node 1 active_anon:72832kB inactive_anon:8kB active_file:52kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1134.359009] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1134.399801] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1134.426007] Node 0 DMA32 free:17988kB min:36380kB low:45472kB high:54564kB active_anon:545572kB inactive_anon:1924kB active_file:972kB inactive_file:724kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8640kB pagetables:11512kB bounce:0kB free_pcp:228kB local_pcp:228kB free_cma:0kB [ 1134.466417] lowmem_reserve[]: 0 0 0 0 0 [ 1134.470538] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1134.504969] lowmem_reserve[]: 0 0 0 0 0 [ 1134.509026] Node 1 Normal free:26620kB min:53508kB low:66884kB high:80260kB active_anon:72832kB inactive_anon:8kB active_file:84kB inactive_file:0kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2784kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1134.543396] lowmem_reserve[]: 0 0 0 0 0 [ 1134.547493] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1134.565578] Node 0 DMA32: 2638*4kB (UME) 798*8kB (UME) 38*16kB (UM) 5*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18216kB [ 1134.579705] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1134.590784] Node 1 Normal: 373*4kB (UME) 183*8kB (UME) 153*16kB (UM) 187*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26620kB [ 1134.607017] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1134.616635] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1134.649337] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1134.675936] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1134.688330] 961 total pagecache pages [ 1134.697739] 0 pages in swap cache [ 1134.701249] Swap cache stats: add 0, delete 0, find 0/0 [ 1134.706630] Free swap = 0kB [ 1134.709643] Total swap = 0kB [ 1134.718220] 1965979 pages RAM [ 1134.734527] 0 pages HighMem/MovableOnly [ 1134.738577] 335869 pages reserved [ 1134.753153] 0 pages cma reserved [ 1134.756565] Out of memory: Kill process 21975 (syz-executor.3) score 1005 or sacrifice child [ 1134.779731] Killed process 21975 (syz-executor.3) total-vm:72588kB, anon-rss:164kB, file-rss:34752kB, shmem-rss:0kB [ 1134.867385] oom_reaper: reaped process 21975 (syz-executor.3), now anon-rss:0kB, file-rss:64kB, shmem-rss:0kB [ 1134.978218] udevd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 1134.992418] udevd cpuset=/ mems_allowed=0-1 [ 1134.996782] CPU: 1 PID: 3719 Comm: udevd Not tainted 4.14.167-syzkaller #0 [ 1135.003782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1135.013132] Call Trace: [ 1135.015722] dump_stack+0x142/0x197 [ 1135.019349] dump_header+0x177/0x6cd [ 1135.023062] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1135.028168] ? ___ratelimit+0x55/0x537 [ 1135.032071] oom_kill_process.cold+0x10/0xadd [ 1135.036563] ? oom_unkillable_task+0x294/0x390 [ 1135.041146] ? lock_downgrade+0x740/0x740 [ 1135.045296] out_of_memory+0x2ee/0x1180 [ 1135.049276] ? lock_acquire+0x16f/0x430 [ 1135.053261] ? oom_killer_disable+0x1d0/0x1d0 [ 1135.057758] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1135.062704] __alloc_pages_slowpath+0x2251/0x2930 [ 1135.067575] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1135.072421] ? warn_alloc+0xf0/0xf0 [ 1135.076080] ? __might_sleep+0x93/0xb0 [ 1135.080017] __alloc_pages_nodemask+0x62c/0x7a0 [ 1135.084695] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1135.089708] ? lock_downgrade+0x740/0x740 [ 1135.093868] alloc_pages_current+0xec/0x1e0 [ 1135.098198] __page_cache_alloc+0x248/0x3e0 [ 1135.102528] filemap_fault+0xcef/0x1de0 [ 1135.106498] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1135.111547] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1135.116219] ? lock_acquire+0x16f/0x430 [ 1135.120194] ? ext4_filemap_fault+0x7b/0xb0 [ 1135.124534] ext4_filemap_fault+0x83/0xb0 [ 1135.128690] __do_fault+0x104/0x390 [ 1135.132328] __handle_mm_fault+0x23bd/0x33d0 [ 1135.136729] ? copy_page_range+0x1de0/0x1de0 [ 1135.141137] ? find_held_lock+0x35/0x130 [ 1135.145201] ? handle_mm_fault+0x1b6/0x7c0 [ 1135.149438] handle_mm_fault+0x293/0x7c0 [ 1135.153495] __do_page_fault+0x4c1/0xb80 [ 1135.157564] ? vmalloc_fault+0xe30/0xe30 [ 1135.161627] ? page_fault+0x2f/0x50 [ 1135.165272] do_page_fault+0x71/0x511 [ 1135.169070] ? page_fault+0x2f/0x50 [ 1135.172693] page_fault+0x45/0x50 [ 1135.176135] RIP: 0033:0x7efdc30dd943 [ 1135.179826] RSP: 002b:00007fffcf6d44d8 EFLAGS: 00010246 [ 1135.185190] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 00007efdc30dd943 [ 1135.192458] RDX: 0000000000000008 RSI: 00007fffcf6d45d0 RDI: 000000000000000a [ 1135.199726] RBP: 0000000001cb9a60 R08: 0000000000000000 R09: 0000000000000000 [ 1135.206991] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 1135.214263] R13: 0000000000000000 R14: 0000000001cc8b90 R15: 0000000001caa030 [ 1135.278413] Mem-Info: [ 1135.280964] active_anon:154584 inactive_anon:483 isolated_anon:0 [ 1135.280964] active_file:221 inactive_file:204 isolated_file:0 [ 1135.280964] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1135.280964] slab_reclaimable:14707 slab_unreclaimable:116269 [ 1135.280964] mapped:52226 shmem:537 pagetables:3300 bounce:0 [ 1135.280964] free:13769 free_pcp:55 free_cma:0 [ 1135.322493] Node 0 active_anon:545504kB inactive_anon:1924kB active_file:776kB inactive_file:728kB unevictable:0kB isolated(anon):0kB isolated(file):256kB mapped:208904kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1135.369641] Node 1 active_anon:72832kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1135.415911] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1135.450309] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1135.455372] Node 0 DMA32 free:18040kB min:36380kB low:45472kB high:54564kB active_anon:545456kB inactive_anon:1924kB active_file:860kB inactive_file:724kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8640kB pagetables:11412kB bounce:0kB free_pcp:240kB local_pcp:120kB free_cma:0kB [ 1135.505865] lowmem_reserve[]: 0 0 0 0 0 [ 1135.529725] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1135.567692] lowmem_reserve[]: 0 0 0 0 0 [ 1135.572119] Node 1 Normal free:26620kB min:53508kB low:66884kB high:80260kB active_anon:72832kB inactive_anon:8kB active_file:4kB inactive_file:32kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2784kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1135.609433] lowmem_reserve[]: 0 0 0 0 0 [ 1135.616794] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1135.652751] Node 0 DMA32: 2632*4kB (UME) 795*8kB (UME) 38*16kB (UM) 4*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18136kB [ 1135.688245] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1135.702190] Node 1 Normal: 373*4kB (UME) 183*8kB (UME) 153*16kB (UM) 187*32kB (UME) 108*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26620kB [ 1135.728765] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1135.738527] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1135.762717] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1135.775462] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1135.806710] 966 total pagecache pages [ 1135.816796] 0 pages in swap cache [ 1135.829850] Swap cache stats: add 0, delete 0, find 0/0 [ 1135.835400] Free swap = 0kB [ 1135.838420] Total swap = 0kB [ 1135.846484] 1965979 pages RAM [ 1135.849614] 0 pages HighMem/MovableOnly [ 1135.859023] 335869 pages reserved [ 1135.867941] 0 pages cma reserved [ 1135.898952] Out of memory: Kill process 30574 (syz-executor.2) score 1005 or sacrifice child [ 1135.939271] Killed process 30574 (syz-executor.2) total-vm:72984kB, anon-rss:192kB, file-rss:34688kB, shmem-rss:0kB [ 1136.009556] oom_reaper: reaped process 30574 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1136.051836] syz-executor.0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1136.068591] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1136.087479] CPU: 0 PID: 11876 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1136.095407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1136.104787] Call Trace: [ 1136.107366] dump_stack+0x142/0x197 [ 1136.110989] dump_header+0x177/0x6cd [ 1136.114697] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1136.119784] ? ___ratelimit+0x55/0x537 [ 1136.123654] oom_kill_process.cold+0x10/0xadd [ 1136.128139] ? oom_unkillable_task+0x294/0x390 [ 1136.132706] ? lock_downgrade+0x740/0x740 [ 1136.136854] out_of_memory+0x2ee/0x1180 [ 1136.140856] ? lock_acquire+0x16f/0x430 [ 1136.144815] ? oom_killer_disable+0x1d0/0x1d0 [ 1136.149301] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1136.154314] __alloc_pages_slowpath+0x2251/0x2930 [ 1136.159144] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1136.163992] ? warn_alloc+0xf0/0xf0 [ 1136.167618] ? __might_sleep+0x93/0xb0 [ 1136.171486] __alloc_pages_nodemask+0x62c/0x7a0 [ 1136.176148] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1136.181148] ? lock_downgrade+0x740/0x740 [ 1136.185318] alloc_pages_current+0xec/0x1e0 [ 1136.189627] __page_cache_alloc+0x248/0x3e0 [ 1136.193933] filemap_fault+0xcef/0x1de0 [ 1136.197888] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1136.202812] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1136.207477] ? lock_acquire+0x16f/0x430 [ 1136.211455] ? ext4_filemap_fault+0x7b/0xb0 [ 1136.215798] ext4_filemap_fault+0x83/0xb0 [ 1136.219939] __do_fault+0x104/0x390 [ 1136.223559] __handle_mm_fault+0x23bd/0x33d0 [ 1136.227955] ? copy_page_range+0x1de0/0x1de0 [ 1136.232345] ? find_held_lock+0x35/0x130 [ 1136.236429] ? handle_mm_fault+0x1b6/0x7c0 [ 1136.240653] handle_mm_fault+0x293/0x7c0 [ 1136.244694] __do_page_fault+0x4c1/0xb80 [ 1136.248790] ? vmalloc_fault+0xe30/0xe30 [ 1136.252838] ? page_fault+0x2f/0x50 [ 1136.256461] do_page_fault+0x71/0x511 [ 1136.260244] ? page_fault+0x2f/0x50 [ 1136.263945] page_fault+0x45/0x50 [ 1136.267389] RIP: 0033:0x41518a [ 1136.270559] RSP: 002b:00007ffd56835d98 EFLAGS: 00010246 [ 1136.275910] RAX: 0000000000000071 RBX: 0000000000d18940 RCX: 000000000041518a [ 1136.283168] RDX: 0000000040000000 RSI: 00007ffd56835dd0 RDI: ffffffffffffffff [ 1136.290421] RBP: 0000000000000b79 R08: 0000000000000001 R09: 0000000000000001 [ 1136.297682] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 1136.305051] R13: 00007ffd56835dd0 R14: 0000000000d1899b R15: 00007ffd56835de0 [ 1136.358638] Mem-Info: [ 1136.363372] active_anon:154553 inactive_anon:483 isolated_anon:0 [ 1136.363372] active_file:210 inactive_file:227 isolated_file:0 [ 1136.363372] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1136.363372] slab_reclaimable:14708 slab_unreclaimable:116286 [ 1136.363372] mapped:52226 shmem:537 pagetables:3275 bounce:0 [ 1136.363372] free:13795 free_pcp:30 free_cma:0 [ 1136.405866] Node 0 active_anon:545384kB inactive_anon:1924kB active_file:896kB inactive_file:888kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1136.439375] Node 1 active_anon:72828kB inactive_anon:8kB active_file:40kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1136.505835] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:44kB inactive_file:4kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1136.538749] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1136.563728] Node 0 DMA32 free:18188kB min:36380kB low:45472kB high:54564kB active_anon:545336kB inactive_anon:1924kB active_file:896kB inactive_file:756kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8640kB pagetables:11312kB bounce:0kB free_pcp:104kB local_pcp:104kB free_cma:0kB [ 1136.636583] lowmem_reserve[]: 0 0 0 0 0 [ 1136.646472] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1136.691285] lowmem_reserve[]: 0 0 0 0 0 [ 1136.695445] Node 1 Normal free:26624kB min:53508kB low:66884kB high:80260kB active_anon:72828kB inactive_anon:8kB active_file:4kB inactive_file:32kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2784kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1136.738460] lowmem_reserve[]: 0 0 0 0 0 [ 1136.749932] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1136.777290] Node 0 DMA32: 2645*4kB (UME) 802*8kB (UME) 37*16kB (M) 5*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18260kB [ 1136.794900] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1136.807873] Node 1 Normal: 372*4kB (UME) 182*8kB (UME) 152*16kB (UM) 186*32kB (UME) 109*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26624kB [ 1136.846097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1136.858708] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1136.867693] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1136.876589] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1136.886080] 968 total pagecache pages [ 1136.889898] 0 pages in swap cache [ 1136.895293] Swap cache stats: add 0, delete 0, find 0/0 [ 1136.900719] Free swap = 0kB [ 1136.903733] Total swap = 0kB [ 1136.906745] 1965979 pages RAM [ 1136.909842] 0 pages HighMem/MovableOnly [ 1136.915158] 335869 pages reserved [ 1136.918626] 0 pages cma reserved [ 1136.922077] Out of memory: Kill process 21911 (syz-executor.3) score 1005 or sacrifice child [ 1136.930742] Killed process 21911 (syz-executor.3) total-vm:72788kB, anon-rss:180kB, file-rss:34688kB, shmem-rss:0kB [ 1136.988647] oom_reaper: reaped process 21911 (syz-executor.3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1137.031741] syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1137.045943] syz-fuzzer cpuset=/ mems_allowed=0-1 [ 1137.061053] CPU: 1 PID: 7249 Comm: syz-fuzzer Not tainted 4.14.167-syzkaller #0 [ 1137.068526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1137.077886] Call Trace: [ 1137.080482] dump_stack+0x142/0x197 [ 1137.084124] dump_header+0x177/0x6cd [ 1137.087846] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1137.092956] ? ___ratelimit+0x55/0x537 [ 1137.096850] oom_kill_process.cold+0x10/0xadd [ 1137.101358] ? oom_unkillable_task+0x294/0x390 [ 1137.105953] ? lock_downgrade+0x740/0x740 [ 1137.110120] out_of_memory+0x2ee/0x1180 [ 1137.114089] ? lock_acquire+0x16f/0x430 [ 1137.118212] ? oom_killer_disable+0x1d0/0x1d0 [ 1137.122708] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1137.127648] __alloc_pages_slowpath+0x2251/0x2930 [ 1137.132513] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1137.137373] ? warn_alloc+0xf0/0xf0 [ 1137.141017] ? __might_sleep+0x93/0xb0 [ 1137.144911] __alloc_pages_nodemask+0x62c/0x7a0 [ 1137.149591] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1137.154605] ? lock_downgrade+0x740/0x740 [ 1137.158766] alloc_pages_current+0xec/0x1e0 [ 1137.163095] __page_cache_alloc+0x248/0x3e0 [ 1137.167418] filemap_fault+0xcef/0x1de0 [ 1137.171394] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1137.176434] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1137.181104] ? lock_acquire+0x16f/0x430 [ 1137.185077] ? ext4_filemap_fault+0x7b/0xb0 [ 1137.189412] ext4_filemap_fault+0x83/0xb0 [ 1137.193562] __do_fault+0x104/0x390 [ 1137.197187] __handle_mm_fault+0x23bd/0x33d0 [ 1137.201599] ? copy_page_range+0x1de0/0x1de0 [ 1137.206004] ? find_held_lock+0x35/0x130 [ 1137.210073] ? handle_mm_fault+0x1b6/0x7c0 [ 1137.214321] handle_mm_fault+0x293/0x7c0 [ 1137.218381] __do_page_fault+0x4c1/0xb80 [ 1137.222444] ? vmalloc_fault+0xe30/0xe30 [ 1137.226509] ? page_fault+0x2f/0x50 [ 1137.230143] do_page_fault+0x71/0x511 [ 1137.233940] ? page_fault+0x2f/0x50 [ 1137.237564] page_fault+0x45/0x50 [ 1137.241014] RIP: 0033:0x45b153 [ 1137.244199] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206 [ 1137.249569] RAX: ffffffffffffff92 RBX: 000000003b4f37a3 RCX: 000000000045b153 [ 1137.256839] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e120a0 [ 1137.264118] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1137.271414] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c427908218 [ 1137.278687] R13: 000000000000007f R14: 0000000000c8b140 R15: 0000000000000213 [ 1137.322189] Mem-Info: [ 1137.324645] active_anon:154513 inactive_anon:483 isolated_anon:0 [ 1137.324645] active_file:219 inactive_file:212 isolated_file:0 [ 1137.324645] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1137.324645] slab_reclaimable:14708 slab_unreclaimable:116298 [ 1137.324645] mapped:52226 shmem:537 pagetables:3250 bounce:0 [ 1137.324645] free:13771 free_pcp:30 free_cma:0 [ 1137.364878] Node 0 active_anon:545224kB inactive_anon:1924kB active_file:948kB inactive_file:652kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:208904kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1137.398567] Node 1 active_anon:72828kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1137.465524] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:24kB inactive_file:44kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1137.499405] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1137.531645] Node 0 DMA32 free:18256kB min:36380kB low:45472kB high:54564kB active_anon:545176kB inactive_anon:1924kB active_file:908kB inactive_file:824kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8640kB pagetables:11212kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1137.566234] lowmem_reserve[]: 0 0 0 0 0 [ 1137.615026] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1137.650279] lowmem_reserve[]: 0 0 0 0 0 [ 1137.654327] Node 1 Normal free:26624kB min:53508kB low:66884kB high:80260kB active_anon:72828kB inactive_anon:8kB active_file:8kB inactive_file:28kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2784kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1137.699954] lowmem_reserve[]: 0 0 0 0 0 [ 1137.709491] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1137.741237] Node 0 DMA32: 2615*4kB (UME) 794*8kB (ME) 37*16kB (M) 4*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18044kB [ 1137.772028] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1137.789278] Node 1 Normal: 372*4kB (UME) 182*8kB (UME) 152*16kB (UM) 186*32kB (UME) 109*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26624kB [ 1137.842205] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1137.873861] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1137.889107] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1137.928484] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1137.952114] 968 total pagecache pages [ 1137.955958] 0 pages in swap cache [ 1137.959406] Swap cache stats: add 0, delete 0, find 0/0 [ 1137.975526] Free swap = 0kB [ 1137.978564] Total swap = 0kB [ 1137.981645] 1965979 pages RAM [ 1137.984743] 0 pages HighMem/MovableOnly [ 1137.988710] 335869 pages reserved [ 1137.992209] 0 pages cma reserved [ 1137.995569] Out of memory: Kill process 24621 (syz-executor.0) score 1005 or sacrifice child [ 1138.004230] Killed process 24621 (syz-executor.0) total-vm:72720kB, anon-rss:176kB, file-rss:34688kB, shmem-rss:0kB [ 1138.076911] oom_reaper: reaped process 24621 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1138.110744] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1138.134717] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1138.145685] CPU: 1 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1138.153488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1138.162835] Call Trace: [ 1138.165424] dump_stack+0x142/0x197 [ 1138.169052] dump_header+0x177/0x6cd [ 1138.172773] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1138.177872] ? ___ratelimit+0x55/0x537 [ 1138.181759] oom_kill_process.cold+0x10/0xadd [ 1138.186248] ? rcu_read_unlock_special+0x639/0xd40 [ 1138.191178] ? lock_downgrade+0x740/0x740 [ 1138.195325] out_of_memory+0x2ee/0x1180 [ 1138.199295] ? lock_acquire+0x16f/0x430 [ 1138.203276] ? oom_killer_disable+0x1d0/0x1d0 [ 1138.207771] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1138.212702] __alloc_pages_slowpath+0x2251/0x2930 [ 1138.217548] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1138.222396] ? warn_alloc+0xf0/0xf0 [ 1138.226031] ? __might_sleep+0x93/0xb0 [ 1138.229916] __alloc_pages_nodemask+0x62c/0x7a0 [ 1138.234586] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1138.239598] ? lock_downgrade+0x740/0x740 [ 1138.243755] alloc_pages_current+0xec/0x1e0 [ 1138.248082] __page_cache_alloc+0x248/0x3e0 [ 1138.252403] filemap_fault+0xcef/0x1de0 [ 1138.256373] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1138.261312] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1138.265978] ? lock_acquire+0x16f/0x430 [ 1138.269950] ? ext4_filemap_fault+0x7b/0xb0 [ 1138.274277] ext4_filemap_fault+0x83/0xb0 [ 1138.278421] __do_fault+0x104/0x390 [ 1138.282049] __handle_mm_fault+0x23bd/0x33d0 [ 1138.286462] ? copy_page_range+0x1de0/0x1de0 [ 1138.290867] ? find_held_lock+0x35/0x130 [ 1138.294923] ? handle_mm_fault+0x1b6/0x7c0 [ 1138.299173] handle_mm_fault+0x293/0x7c0 [ 1138.303238] __do_page_fault+0x4c1/0xb80 [ 1138.307306] ? vmalloc_fault+0xe30/0xe30 [ 1138.311364] ? page_fault+0x2f/0x50 [ 1138.314993] do_page_fault+0x71/0x511 [ 1138.318789] ? page_fault+0x2f/0x50 [ 1138.322414] page_fault+0x45/0x50 [ 1138.325863] RIP: 0033:0x41518a [ 1138.329052] RSP: 002b:00007fffe00b9d98 EFLAGS: 00010246 [ 1138.334414] RAX: 000000000000020d RBX: 0000000000000000 RCX: 000000000041518a [ 1138.341680] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1138.348944] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1138.356210] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1138.363478] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1138.414419] Mem-Info: [ 1138.416861] active_anon:154486 inactive_anon:483 isolated_anon:0 [ 1138.416861] active_file:228 inactive_file:191 isolated_file:21 [ 1138.416861] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1138.416861] slab_reclaimable:14708 slab_unreclaimable:115903 [ 1138.416861] mapped:52226 shmem:537 pagetables:3213 bounce:0 [ 1138.416861] free:13777 free_pcp:60 free_cma:0 [ 1138.461386] Node 0 active_anon:545116kB inactive_anon:1924kB active_file:836kB inactive_file:772kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:208904kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1138.506970] Node 1 active_anon:72828kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1138.558093] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:24kB inactive_file:28kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1138.596331] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1138.601465] Node 0 DMA32 free:18112kB min:36380kB low:45472kB high:54564kB active_anon:545068kB inactive_anon:1924kB active_file:720kB inactive_file:976kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8640kB pagetables:11112kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1138.641887] lowmem_reserve[]: 0 0 0 0 0 [ 1138.645920] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1138.703352] lowmem_reserve[]: 0 0 0 0 0 [ 1138.707394] Node 1 Normal free:26712kB min:53508kB low:66884kB high:80260kB active_anon:72828kB inactive_anon:8kB active_file:20kB inactive_file:20kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2752kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1138.752459] lowmem_reserve[]: 0 0 0 0 0 [ 1138.756484] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1138.784351] Node 0 DMA32: 2615*4kB (UME) 803*8kB (UME) 37*16kB (M) 5*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18148kB [ 1138.824447] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1138.856701] Node 1 Normal: 367*4kB (ME) 180*8kB (ME) 151*16kB (M) 191*32kB (UME) 109*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26732kB [ 1138.878909] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1138.898964] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1138.907586] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1138.916482] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1138.930966] 969 total pagecache pages [ 1138.934785] 0 pages in swap cache [ 1138.938234] Swap cache stats: add 0, delete 0, find 0/0 [ 1138.947651] Free swap = 0kB [ 1138.958208] Total swap = 0kB [ 1138.967782] 1965979 pages RAM [ 1138.970968] 0 pages HighMem/MovableOnly [ 1138.974961] 335869 pages reserved [ 1138.978402] 0 pages cma reserved [ 1138.981798] Out of memory: Kill process 24898 (syz-executor.1) score 1005 or sacrifice child [ 1138.992632] Killed process 24898 (syz-executor.1) total-vm:72852kB, anon-rss:176kB, file-rss:34688kB, shmem-rss:0kB [ 1139.039787] oom_reaper: reaped process 24898 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1139.125472] udevd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 1139.142999] udevd cpuset=/ mems_allowed=0-1 [ 1139.147413] CPU: 0 PID: 3719 Comm: udevd Not tainted 4.14.167-syzkaller #0 [ 1139.154404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1139.163737] Call Trace: [ 1139.166310] dump_stack+0x142/0x197 [ 1139.169920] dump_header+0x177/0x6cd [ 1139.173612] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1139.178733] ? ___ratelimit+0x55/0x537 [ 1139.182602] oom_kill_process.cold+0x10/0xadd [ 1139.187076] ? rcu_read_unlock_special+0x639/0xd40 [ 1139.191987] ? lock_downgrade+0x740/0x740 [ 1139.196114] out_of_memory+0x2ee/0x1180 [ 1139.200067] ? lock_acquire+0x16f/0x430 [ 1139.204022] ? oom_killer_disable+0x1d0/0x1d0 [ 1139.208497] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1139.213446] __alloc_pages_slowpath+0x2251/0x2930 [ 1139.218296] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1139.223142] ? warn_alloc+0xf0/0xf0 [ 1139.226768] ? __might_sleep+0x93/0xb0 [ 1139.230636] __alloc_pages_nodemask+0x62c/0x7a0 [ 1139.235285] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1139.240279] ? lock_downgrade+0x740/0x740 [ 1139.244412] alloc_pages_current+0xec/0x1e0 [ 1139.248724] __page_cache_alloc+0x248/0x3e0 [ 1139.253034] filemap_fault+0xcef/0x1de0 [ 1139.256986] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1139.261915] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1139.266567] ? lock_acquire+0x16f/0x430 [ 1139.270532] ? ext4_filemap_fault+0x7b/0xb0 [ 1139.274842] ext4_filemap_fault+0x83/0xb0 [ 1139.279077] __do_fault+0x104/0x390 [ 1139.282698] __handle_mm_fault+0x23bd/0x33d0 [ 1139.287093] ? copy_page_range+0x1de0/0x1de0 [ 1139.291537] ? find_held_lock+0x35/0x130 [ 1139.295621] ? handle_mm_fault+0x1b6/0x7c0 [ 1139.299846] handle_mm_fault+0x293/0x7c0 [ 1139.303903] __do_page_fault+0x4c1/0xb80 [ 1139.307952] ? vmalloc_fault+0xe30/0xe30 [ 1139.311994] ? page_fault+0x2f/0x50 [ 1139.315600] do_page_fault+0x71/0x511 [ 1139.319378] ? page_fault+0x2f/0x50 [ 1139.322984] page_fault+0x45/0x50 [ 1139.326417] RIP: 0033:0x7efdc30dd943 [ 1139.330105] RSP: 002b:00007fffcf6d44d8 EFLAGS: 00010246 [ 1139.335446] RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 00007efdc30dd943 [ 1139.342695] RDX: 0000000000000008 RSI: 00007fffcf6d45d0 RDI: 000000000000000a [ 1139.349952] RBP: 0000000001cb9a60 R08: 0000000000000000 R09: 0000000000000000 [ 1139.357208] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 1139.364461] R13: 0000000000000000 R14: 0000000001cc8b90 R15: 0000000001caa030 [ 1139.422275] EXT4-fs error (device sda1): ext4_evict_inode:299: comm syz-executor.4: couldn't truncate inode 17698 (err -12) [ 1139.450119] Mem-Info: [ 1139.452580] active_anon:154459 inactive_anon:483 isolated_anon:0 [ 1139.452580] active_file:157 inactive_file:191 isolated_file:77 [ 1139.452580] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1139.452580] slab_reclaimable:14709 slab_unreclaimable:115539 [ 1139.452580] mapped:52226 shmem:537 pagetables:3200 bounce:0 [ 1139.452580] free:13903 free_pcp:0 free_cma:0 [ 1139.668264] Node 0 active_anon:545008kB inactive_anon:1924kB active_file:764kB inactive_file:744kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:1556kB writeback:0kB shmem:2140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1139.718727] Node 1 active_anon:72828kB inactive_anon:8kB active_file:24kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1139.755730] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:32kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1139.796174] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1139.802632] Node 0 DMA32 free:18212kB min:36380kB low:45472kB high:54564kB active_anon:544960kB inactive_anon:1924kB active_file:900kB inactive_file:696kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8448kB pagetables:11012kB bounce:0kB free_pcp:124kB local_pcp:0kB free_cma:0kB [ 1139.847288] lowmem_reserve[]: 0 0 0 0 0 [ 1139.851369] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1139.866957] EXT4-fs error (device sda1): ext4_evict_inode:299: comm syz-executor.3: couldn't truncate inode 16593 (err -12) [ 1139.900325] lowmem_reserve[]: 0 0 0 0 0 [ 1139.904495] Node 1 Normal free:26308kB min:53508kB low:66884kB high:80260kB active_anon:72828kB inactive_anon:8kB active_file:24kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2720kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1139.947697] lowmem_reserve[]: 0 0 0 0 0 [ 1139.951856] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1139.979006] Node 0 DMA32: 2603*4kB (UME) 795*8kB (ME) 38*16kB (UM) 2*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17956kB [ 1139.994699] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1140.011236] Node 1 Normal: 369*4kB (UME) 181*8kB (UME) 151*16kB (M) 186*32kB (UME) 110*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26652kB [ 1140.027384] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1140.051659] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1140.066746] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1140.079428] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1140.094105] 967 total pagecache pages [ 1140.097933] 0 pages in swap cache [ 1140.101486] Swap cache stats: add 0, delete 0, find 0/0 [ 1140.106847] Free swap = 0kB [ 1140.109891] Total swap = 0kB [ 1140.114748] 1965979 pages RAM [ 1140.117855] 0 pages HighMem/MovableOnly [ 1140.127946] 335869 pages reserved [ 1140.138090] 0 pages cma reserved [ 1140.149094] Out of memory: Kill process 19964 (syz-executor.4) score 1005 or sacrifice child [ 1140.157802] Killed process 19964 (syz-executor.4) total-vm:72588kB, anon-rss:168kB, file-rss:34688kB, shmem-rss:0kB [ 1140.222739] oom_reaper: reaped process 19964 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1140.244165] syz-executor.0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1140.276111] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1140.281611] CPU: 1 PID: 11876 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1140.289489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1140.298838] Call Trace: [ 1140.301427] dump_stack+0x142/0x197 [ 1140.305056] dump_header+0x177/0x6cd [ 1140.308768] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1140.313869] ? ___ratelimit+0x55/0x537 [ 1140.317758] oom_kill_process.cold+0x10/0xadd [ 1140.322248] ? oom_unkillable_task+0x294/0x390 [ 1140.326833] ? lock_downgrade+0x740/0x740 [ 1140.330992] out_of_memory+0x2ee/0x1180 [ 1140.334964] ? lock_acquire+0x16f/0x430 [ 1140.338946] ? oom_killer_disable+0x1d0/0x1d0 [ 1140.343438] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1140.348368] __alloc_pages_slowpath+0x2251/0x2930 [ 1140.353218] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1140.358062] ? warn_alloc+0xf0/0xf0 [ 1140.361699] ? __might_sleep+0x93/0xb0 [ 1140.365584] __alloc_pages_nodemask+0x62c/0x7a0 [ 1140.370258] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1140.375267] ? lock_downgrade+0x740/0x740 [ 1140.379431] alloc_pages_current+0xec/0x1e0 [ 1140.383750] __page_cache_alloc+0x248/0x3e0 [ 1140.388072] filemap_fault+0xcef/0x1de0 [ 1140.392041] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1140.396975] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1140.401639] ? lock_acquire+0x16f/0x430 [ 1140.405609] ? ext4_filemap_fault+0x7b/0xb0 [ 1140.409938] ext4_filemap_fault+0x83/0xb0 [ 1140.414081] __do_fault+0x104/0x390 [ 1140.417706] __handle_mm_fault+0x23bd/0x33d0 [ 1140.422117] ? copy_page_range+0x1de0/0x1de0 [ 1140.426522] ? find_held_lock+0x35/0x130 [ 1140.430576] ? handle_mm_fault+0x1b6/0x7c0 [ 1140.434819] handle_mm_fault+0x293/0x7c0 [ 1140.438876] __do_page_fault+0x4c1/0xb80 [ 1140.442940] ? vmalloc_fault+0xe30/0xe30 [ 1140.447002] ? page_fault+0x2f/0x50 [ 1140.450628] do_page_fault+0x71/0x511 [ 1140.454421] ? page_fault+0x2f/0x50 [ 1140.458045] page_fault+0x45/0x50 [ 1140.461492] RIP: 0033:0x41518a [ 1140.464686] RSP: 002b:00007ffd56835d98 EFLAGS: 00010246 [ 1140.470064] RAX: 0000000000000071 RBX: 0000000000d18940 RCX: 000000000041518a [ 1140.477327] RDX: 0000000040000000 RSI: 00007ffd56835dd0 RDI: ffffffffffffffff [ 1140.485119] RBP: 0000000000000b79 R08: 0000000000000001 R09: 0000000000000001 [ 1140.492385] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 1140.499657] R13: 00007ffd56835dd0 R14: 0000000000d1899b R15: 00007ffd56835de0 [ 1140.519355] Mem-Info: [ 1140.521835] active_anon:154433 inactive_anon:483 isolated_anon:0 [ 1140.521835] active_file:230 inactive_file:210 isolated_file:0 [ 1140.521835] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1140.521835] slab_reclaimable:14712 slab_unreclaimable:115541 [ 1140.521835] mapped:52226 shmem:536 pagetables:3163 bounce:0 [ 1140.521835] free:13803 free_pcp:30 free_cma:0 [ 1140.560555] Node 0 active_anon:544904kB inactive_anon:1924kB active_file:900kB inactive_file:716kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:208904kB dirty:1556kB writeback:0kB shmem:2136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1140.588851] Node 1 active_anon:72828kB inactive_anon:8kB active_file:28kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1140.615128] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1140.655035] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1140.660167] Node 0 DMA32 free:18096kB min:36380kB low:45472kB high:54564kB active_anon:544856kB inactive_anon:1924kB active_file:960kB inactive_file:716kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8416kB pagetables:10864kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1140.695051] lowmem_reserve[]: 0 0 0 0 0 [ 1140.699217] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1140.728000] lowmem_reserve[]: 0 0 0 0 0 [ 1140.736432] Node 1 Normal free:26676kB min:53508kB low:66884kB high:80260kB active_anon:72828kB inactive_anon:8kB active_file:28kB inactive_file:8kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2656kB pagetables:1788kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1140.788693] lowmem_reserve[]: 0 0 0 0 0 [ 1140.795128] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1140.816814] Node 0 DMA32: 2604*4kB (ME) 796*8kB (ME) 38*16kB (UM) 4*32kB (U) 7*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18096kB [ 1140.843955] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1140.856585] Node 1 Normal: 369*4kB (UME) 184*8kB (UME) 151*16kB (M) 186*32kB (UME) 110*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26676kB [ 1140.878822] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1140.887769] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1140.923037] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1140.947582] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1140.957696] 967 total pagecache pages [ 1140.969062] 0 pages in swap cache [ 1140.973596] Swap cache stats: add 0, delete 0, find 0/0 [ 1140.978987] Free swap = 0kB [ 1140.982085] Total swap = 0kB [ 1140.985100] 1965979 pages RAM [ 1140.988194] 0 pages HighMem/MovableOnly [ 1140.992202] 335869 pages reserved [ 1140.995649] 0 pages cma reserved [ 1140.999016] Out of memory: Kill process 30597 (syz-executor.3) score 1005 or sacrifice child [ 1141.007655] Killed process 30597 (syz-executor.3) total-vm:72720kB, anon-rss:176kB, file-rss:34688kB, shmem-rss:0kB [ 1141.056751] oom_reaper: reaped process 30597 (syz-executor.3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1141.096552] syz-executor.0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1141.110223] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 1141.115634] CPU: 1 PID: 11876 Comm: syz-executor.0 Not tainted 4.14.167-syzkaller #0 [ 1141.123501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1141.132935] Call Trace: [ 1141.135528] dump_stack+0x142/0x197 [ 1141.139170] dump_header+0x177/0x6cd [ 1141.142872] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1141.147979] ? ___ratelimit+0x55/0x537 [ 1141.151871] oom_kill_process.cold+0x10/0xadd [ 1141.156710] ? oom_unkillable_task+0x294/0x390 [ 1141.161294] ? lock_downgrade+0x740/0x740 [ 1141.165443] out_of_memory+0x2ee/0x1180 [ 1141.169411] ? lock_acquire+0x16f/0x430 [ 1141.173387] ? oom_killer_disable+0x1d0/0x1d0 [ 1141.177877] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1141.182806] __alloc_pages_slowpath+0x2251/0x2930 [ 1141.187665] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1141.192510] ? warn_alloc+0xf0/0xf0 [ 1141.196142] ? __might_sleep+0x93/0xb0 [ 1141.200039] __alloc_pages_nodemask+0x62c/0x7a0 [ 1141.204708] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1141.209723] ? lock_downgrade+0x740/0x740 [ 1141.213874] alloc_pages_current+0xec/0x1e0 [ 1141.218195] __page_cache_alloc+0x248/0x3e0 [ 1141.222524] filemap_fault+0xcef/0x1de0 [ 1141.226494] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1141.231434] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1141.236112] ? lock_acquire+0x16f/0x430 [ 1141.240093] ? ext4_filemap_fault+0x7b/0xb0 [ 1141.244429] ext4_filemap_fault+0x83/0xb0 [ 1141.248587] __do_fault+0x104/0x390 [ 1141.252221] __handle_mm_fault+0x23bd/0x33d0 [ 1141.256638] ? copy_page_range+0x1de0/0x1de0 [ 1141.261049] ? find_held_lock+0x35/0x130 [ 1141.265113] ? handle_mm_fault+0x1b6/0x7c0 [ 1141.269365] handle_mm_fault+0x293/0x7c0 [ 1141.273431] __do_page_fault+0x4c1/0xb80 [ 1141.277498] ? vmalloc_fault+0xe30/0xe30 [ 1141.281561] ? page_fault+0x2f/0x50 [ 1141.285190] do_page_fault+0x71/0x511 [ 1141.288992] ? page_fault+0x2f/0x50 [ 1141.292649] page_fault+0x45/0x50 [ 1141.296097] RIP: 0033:0x41518a [ 1141.299280] RSP: 002b:00007ffd56835d98 EFLAGS: 00010246 [ 1141.304654] RAX: 0000000000000071 RBX: 0000000000d18940 RCX: 000000000041518a [ 1141.311931] RDX: 0000000040000000 RSI: 00007ffd56835dd0 RDI: ffffffffffffffff [ 1141.319201] RBP: 0000000000000b79 R08: 0000000000000001 R09: 0000000000000001 [ 1141.326466] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 1141.333737] R13: 00007ffd56835dd0 R14: 0000000000d1899b R15: 00007ffd56835de0 [ 1141.367028] Mem-Info: [ 1141.369616] active_anon:154391 inactive_anon:483 isolated_anon:0 [ 1141.369616] active_file:236 inactive_file:193 isolated_file:0 [ 1141.369616] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1141.369616] slab_reclaimable:14712 slab_unreclaimable:115551 [ 1141.369616] mapped:52226 shmem:536 pagetables:3174 bounce:0 [ 1141.369616] free:13796 free_pcp:30 free_cma:0 [ 1141.413357] Node 0 active_anon:544736kB inactive_anon:1924kB active_file:896kB inactive_file:788kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:1556kB writeback:0kB shmem:2136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1141.449328] Node 1 active_anon:72828kB inactive_anon:8kB active_file:12kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1141.513363] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:24kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1141.539973] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1141.545081] Node 0 DMA32 free:18108kB min:36380kB low:45472kB high:54564kB active_anon:544676kB inactive_anon:1924kB active_file:820kB inactive_file:824kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8416kB pagetables:10864kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1141.574380] lowmem_reserve[]: 0 0 0 0 0 [ 1141.578397] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1141.604220] lowmem_reserve[]: 0 0 0 0 0 [ 1141.608236] Node 1 Normal free:26740kB min:53508kB low:66884kB high:80260kB active_anon:72828kB inactive_anon:8kB active_file:64kB inactive_file:0kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2656kB pagetables:1736kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1141.643410] lowmem_reserve[]: 0 0 0 0 0 [ 1141.647441] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1141.662953] Node 0 DMA32: 2644*4kB (UME) 802*8kB (UME) 40*16kB (UM) 3*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18240kB [ 1141.677082] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1141.687924] Node 1 Normal: 375*4kB (UME) 189*8kB (UME) 151*16kB (M) 186*32kB (UME) 110*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26740kB [ 1141.704129] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1141.724335] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1141.733000] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1141.746637] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1141.763068] 967 total pagecache pages [ 1141.766916] 0 pages in swap cache [ 1141.770416] Swap cache stats: add 0, delete 0, find 0/0 [ 1141.776353] Free swap = 0kB [ 1141.779367] Total swap = 0kB [ 1141.786729] 1965979 pages RAM [ 1141.789846] 0 pages HighMem/MovableOnly [ 1141.796739] 335869 pages reserved [ 1141.803102] 0 pages cma reserved [ 1141.806479] Out of memory: Kill process 24615 (syz-executor.0) score 1005 or sacrifice child [ 1141.815190] Killed process 24615 (syz-executor.0) total-vm:72588kB, anon-rss:168kB, file-rss:34688kB, shmem-rss:0kB [ 1141.857956] oom_reaper: reaped process 24615 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1141.994196] kworker/0:0 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1142.025205] kworker/0:0 cpuset=/ mems_allowed=0-1 [ 1142.030999] CPU: 0 PID: 3 Comm: kworker/0:0 Not tainted 4.14.167-syzkaller #0 [ 1142.038292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1142.047648] Call Trace: [ 1142.050233] dump_stack+0x142/0x197 [ 1142.053844] dump_header+0x177/0x6cd [ 1142.057540] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1142.062624] ? ___ratelimit+0x55/0x537 [ 1142.066492] oom_kill_process.cold+0x10/0xadd [ 1142.070964] ? oom_unkillable_task+0x294/0x390 [ 1142.075527] ? lock_downgrade+0x740/0x740 [ 1142.079654] out_of_memory+0x2ee/0x1180 [ 1142.083613] ? lock_acquire+0x16f/0x430 [ 1142.087570] ? oom_killer_disable+0x1d0/0x1d0 [ 1142.092056] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1142.096966] __alloc_pages_slowpath+0x2251/0x2930 [ 1142.101798] ? warn_alloc+0xf0/0xf0 [ 1142.105410] ? __might_sleep+0x93/0xb0 [ 1142.109274] __alloc_pages_nodemask+0x62c/0x7a0 [ 1142.113936] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1142.118941] ? ____cache_alloc_node+0x1be/0x1d0 [ 1142.123587] ? cache_grow_begin+0x335/0x400 [ 1142.127886] cache_grow_begin+0x80/0x400 [ 1142.131926] ? __cpuset_node_allowed+0xff/0x450 [ 1142.136573] fallback_alloc+0x1fd/0x2c0 [ 1142.140538] ____cache_alloc_node+0x1be/0x1d0 [ 1142.145362] kmem_cache_alloc_trace+0x213/0x790 [ 1142.150066] ? __lockdep_init_map+0x10c/0x570 [ 1142.154673] ? process_one_work+0x1600/0x1600 [ 1142.159151] __kthread_create_on_node+0xe3/0x3e0 [ 1142.163888] ? kthread_park+0x140/0x140 [ 1142.167846] ? vsnprintf+0x290/0x1560 [ 1142.171635] ? process_one_work+0x1600/0x1600 [ 1142.176110] kthread_create_on_node+0xa8/0xd0 [ 1142.180588] ? __kthread_create_on_node+0x3e0/0x3e0 [ 1142.185593] ? vsprintf+0x40/0x40 [ 1142.189034] create_worker+0x245/0x530 [ 1142.192943] ? alloc_worker+0x1c0/0x1c0 [ 1142.196900] ? trace_hardirqs_on_caller+0x400/0x590 [ 1142.201897] worker_thread+0xa44/0x1050 [ 1142.205858] kthread+0x319/0x430 [ 1142.209219] ? process_one_work+0x1600/0x1600 [ 1142.213700] ? kthread_create_on_node+0xd0/0xd0 [ 1142.218393] ret_from_fork+0x24/0x30 [ 1142.236351] Mem-Info: [ 1142.238803] active_anon:154352 inactive_anon:483 isolated_anon:0 [ 1142.238803] active_file:218 inactive_file:203 isolated_file:0 [ 1142.238803] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1142.238803] slab_reclaimable:14711 slab_unreclaimable:115534 [ 1142.238803] mapped:52226 shmem:536 pagetables:3125 bounce:0 [ 1142.238803] free:13829 free_pcp:40 free_cma:0 [ 1142.272182] Node 0 active_anon:544580kB inactive_anon:1924kB active_file:844kB inactive_file:844kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:1556kB writeback:0kB shmem:2136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1142.300281] Node 1 active_anon:72828kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1142.364611] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:8kB inactive_file:40kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1142.391108] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1142.396147] Node 0 DMA32 free:18076kB min:36380kB low:45472kB high:54564kB active_anon:544532kB inactive_anon:1924kB active_file:828kB inactive_file:776kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8416kB pagetables:10764kB bounce:0kB free_pcp:232kB local_pcp:120kB free_cma:0kB [ 1142.425630] lowmem_reserve[]: 0 0 0 0 0 [ 1142.429601] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1142.465856] lowmem_reserve[]: 0 0 0 0 0 [ 1142.469942] Node 1 Normal free:26740kB min:53508kB low:66884kB high:80260kB active_anon:72828kB inactive_anon:8kB active_file:80kB inactive_file:0kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2656kB pagetables:1736kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1142.500043] lowmem_reserve[]: 0 0 0 0 0 [ 1142.504058] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1142.524146] Node 0 DMA32: 2607*4kB (UME) 815*8kB (UME) 40*16kB (UM) 4*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18228kB [ 1142.538276] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1142.549059] Node 1 Normal: 375*4kB (UME) 189*8kB (UME) 151*16kB (M) 186*32kB (UME) 110*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26740kB [ 1142.565224] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1142.585044] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1142.593794] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1142.602702] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1142.611429] 967 total pagecache pages [ 1142.615228] 0 pages in swap cache [ 1142.618673] Swap cache stats: add 0, delete 0, find 0/0 [ 1142.625024] Free swap = 0kB [ 1142.628041] Total swap = 0kB [ 1142.631121] 1965979 pages RAM [ 1142.634227] 0 pages HighMem/MovableOnly [ 1142.638189] 335869 pages reserved [ 1142.651535] 0 pages cma reserved [ 1142.654924] Out of memory: Kill process 30659 (syz-executor.5) score 1005 or sacrifice child [ 1142.664875] Killed process 30659 (syz-executor.5) total-vm:72588kB, anon-rss:168kB, file-rss:34688kB, shmem-rss:0kB [ 1142.734284] oom_reaper: reaped process 30659 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1142.763452] kworker/u4:6 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1142.778452] kworker/u4:6 cpuset=/ mems_allowed=0-1 [ 1142.787571] CPU: 0 PID: 8805 Comm: kworker/u4:6 Not tainted 4.14.167-syzkaller #0 [ 1142.795210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1142.804569] Workqueue: netns cleanup_net [ 1142.808663] Call Trace: [ 1142.811238] dump_stack+0x142/0x197 [ 1142.814867] dump_header+0x177/0x6cd [ 1142.818581] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1142.823677] ? ___ratelimit+0x55/0x537 [ 1142.827565] oom_kill_process.cold+0x10/0xadd [ 1142.832044] ? oom_unkillable_task+0x294/0x390 [ 1142.836624] ? lock_downgrade+0x740/0x740 [ 1142.840777] out_of_memory+0x2ee/0x1180 [ 1142.844758] ? lock_acquire+0x16f/0x430 [ 1142.848722] ? oom_killer_disable+0x1d0/0x1d0 [ 1142.853206] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1142.858161] __alloc_pages_slowpath+0x2251/0x2930 [ 1142.863009] ? warn_alloc+0xf0/0xf0 [ 1142.866670] ? __might_sleep+0x93/0xb0 [ 1142.870547] __alloc_pages_nodemask+0x62c/0x7a0 [ 1142.875225] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1142.880246] ? cache_grow_begin+0x335/0x400 [ 1142.884555] cache_grow_begin+0x80/0x400 [ 1142.888602] ? __cpuset_node_allowed+0xff/0x450 [ 1142.893271] fallback_alloc+0x1fd/0x2c0 [ 1142.897245] ____cache_alloc_node+0x1be/0x1d0 [ 1142.901725] kmem_cache_alloc_node+0xe3/0x780 [ 1142.906211] __alloc_skb+0x9c/0x500 [ 1142.909835] ? skb_trim+0x180/0x180 [ 1142.913457] ? if_nlmsg_size+0x38f/0x810 [ 1142.917560] rtmsg_ifinfo_build_skb+0x72/0x140 [ 1142.922131] rollback_registered_many+0x78f/0xb60 [ 1142.926956] ? netdev_info+0xf0/0xf0 [ 1142.930656] ? save_trace+0x290/0x290 [ 1142.934454] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1142.939377] unregister_netdevice_many.part.0+0x1b/0x1e0 [ 1142.944836] unregister_netdevice_many+0x3b/0x50 [ 1142.949574] ip_tunnel_delete_net+0x273/0x330 [ 1142.954067] ? __ip_tunnel_create+0x450/0x450 [ 1142.958667] ipip_exit_net+0x11b/0x1f0 [ 1142.962579] ? ipip_rcv+0x20/0x20 [ 1142.966029] ops_exit_list.isra.0+0xaa/0x150 [ 1142.970429] cleanup_net+0x3ba/0x870 [ 1142.974123] ? net_drop_ns+0x80/0x80 [ 1142.977830] ? __lock_is_held+0xb6/0x140 [ 1142.981882] ? check_preemption_disabled+0x3c/0x250 [ 1142.986885] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1142.992319] process_one_work+0x863/0x1600 [ 1142.996536] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1143.001187] worker_thread+0x5d9/0x1050 [ 1143.005220] kthread+0x319/0x430 [ 1143.008625] ? process_one_work+0x1600/0x1600 [ 1143.013102] ? kthread_create_on_node+0xd0/0xd0 [ 1143.017754] ret_from_fork+0x24/0x30 [ 1143.034267] Mem-Info: [ 1143.036864] active_anon:154321 inactive_anon:483 isolated_anon:0 [ 1143.036864] active_file:260 inactive_file:154 isolated_file:0 [ 1143.036864] unevictable:0 dirty:398 writeback:0 unstable:0 [ 1143.036864] slab_reclaimable:14711 slab_unreclaimable:115533 [ 1143.036864] mapped:52226 shmem:536 pagetables:3100 bounce:0 [ 1143.036864] free:13776 free_pcp:119 free_cma:0 [ 1143.080507] Node 0 active_anon:544456kB inactive_anon:1924kB active_file:884kB inactive_file:820kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:1560kB writeback:0kB shmem:2136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1143.135459] Node 1 active_anon:72828kB inactive_anon:8kB active_file:24kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1143.174042] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:44kB inactive_file:4kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1143.217103] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1143.222258] Node 0 DMA32 free:18116kB min:36380kB low:45472kB high:54564kB active_anon:544408kB inactive_anon:1924kB active_file:828kB inactive_file:720kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8416kB pagetables:10712kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1143.264014] lowmem_reserve[]: 0 0 0 0 0 [ 1143.268133] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1143.297794] lowmem_reserve[]: 0 0 0 0 0 [ 1143.318909] Node 1 Normal free:26736kB min:53508kB low:66884kB high:80260kB active_anon:72828kB inactive_anon:8kB active_file:20kB inactive_file:24kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2656kB pagetables:1688kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1143.369931] lowmem_reserve[]: 0 0 0 0 0 [ 1143.389287] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1143.418059] Node 0 DMA32: 2618*4kB (UME) 799*8kB (UME) 39*16kB (UM) 4*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18128kB [ 1143.441455] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1143.457666] Node 1 Normal: 381*4kB (UME) 192*8kB (UME) 151*16kB (M) 185*32kB (UME) 110*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26756kB [ 1143.496330] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1143.506068] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1143.526892] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1143.535835] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1143.550394] 959 total pagecache pages [ 1143.554219] 0 pages in swap cache [ 1143.557686] Swap cache stats: add 0, delete 0, find 0/0 [ 1143.563078] Free swap = 0kB [ 1143.566090] Total swap = 0kB [ 1143.569103] 1965979 pages RAM [ 1143.578615] 0 pages HighMem/MovableOnly [ 1143.582800] 335869 pages reserved [ 1143.586515] 0 pages cma reserved [ 1143.613568] Out of memory: Kill process 30569 (syz-executor.2) score 1005 or sacrifice child [ 1143.622374] Killed process 30569 (syz-executor.2) total-vm:72588kB, anon-rss:164kB, file-rss:34688kB, shmem-rss:0kB [ 1143.681824] oom_reaper: reaped process 30569 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1143.717676] kworker/1:1 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1143.759983] kworker/1:1 cpuset=/ mems_allowed=0-1 [ 1143.783687] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.14.167-syzkaller #0 [ 1143.791077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1143.800455] Call Trace: [ 1143.803043] dump_stack+0x142/0x197 [ 1143.806685] dump_header+0x177/0x6cd [ 1143.810396] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1143.815504] ? ___ratelimit+0x55/0x537 [ 1143.819387] oom_kill_process.cold+0x10/0xadd [ 1143.823891] ? oom_unkillable_task+0x294/0x390 [ 1143.828474] ? lock_downgrade+0x740/0x740 [ 1143.832630] out_of_memory+0x2ee/0x1180 [ 1143.836608] ? lock_acquire+0x16f/0x430 [ 1143.840595] ? oom_killer_disable+0x1d0/0x1d0 [ 1143.845088] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1143.850020] __alloc_pages_slowpath+0x2251/0x2930 [ 1143.854877] ? warn_alloc+0xf0/0xf0 [ 1143.858515] ? __might_sleep+0x93/0xb0 [ 1143.862405] __alloc_pages_nodemask+0x62c/0x7a0 [ 1143.867072] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1143.872088] ? ____cache_alloc_node+0x1be/0x1d0 [ 1143.876758] ? cache_grow_begin+0x335/0x400 [ 1143.881080] cache_grow_begin+0x80/0x400 [ 1143.885140] ? __cpuset_node_allowed+0xff/0x450 [ 1143.889809] fallback_alloc+0x1fd/0x2c0 [ 1143.893787] ____cache_alloc_node+0x1be/0x1d0 [ 1143.898283] kmem_cache_alloc_trace+0x213/0x790 [ 1143.902951] ? __lockdep_init_map+0x10c/0x570 [ 1143.907452] ? process_one_work+0x1600/0x1600 [ 1143.911946] __kthread_create_on_node+0xe3/0x3e0 [ 1143.916706] ? kthread_park+0x140/0x140 [ 1143.920684] ? vsnprintf+0x290/0x1560 [ 1143.924495] ? process_one_work+0x1600/0x1600 [ 1143.928990] kthread_create_on_node+0xa8/0xd0 [ 1143.933479] ? __kthread_create_on_node+0x3e0/0x3e0 [ 1143.938494] ? vsprintf+0x40/0x40 [ 1143.941954] create_worker+0x245/0x530 [ 1143.945841] ? alloc_worker+0x1c0/0x1c0 [ 1143.949856] ? trace_hardirqs_on_caller+0x400/0x590 [ 1143.954864] worker_thread+0xa44/0x1050 [ 1143.958834] kthread+0x319/0x430 [ 1143.962189] ? process_one_work+0x1600/0x1600 [ 1143.966676] ? kthread_create_on_node+0xd0/0xd0 [ 1143.971349] ret_from_fork+0x24/0x30 [ 1143.999981] Mem-Info: [ 1144.006563] active_anon:154290 inactive_anon:483 isolated_anon:0 [ 1144.006563] active_file:232 inactive_file:211 isolated_file:0 [ 1144.006563] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1144.006563] slab_reclaimable:14712 slab_unreclaimable:115552 [ 1144.006563] mapped:52226 shmem:536 pagetables:3075 bounce:0 [ 1144.006563] free:13808 free_pcp:59 free_cma:0 [ 1144.040044] Node 0 active_anon:544332kB inactive_anon:1924kB active_file:840kB inactive_file:776kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:1556kB writeback:0kB shmem:2136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1144.068264] Node 1 active_anon:72828kB inactive_anon:8kB active_file:0kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1144.099941] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:20kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1144.148609] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1144.153701] Node 0 DMA32 free:18172kB min:36380kB low:45472kB high:54564kB active_anon:544284kB inactive_anon:1924kB active_file:780kB inactive_file:720kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8416kB pagetables:10660kB bounce:0kB free_pcp:144kB local_pcp:16kB free_cma:0kB [ 1144.193876] lowmem_reserve[]: 0 0 0 0 0 [ 1144.197909] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1144.237670] lowmem_reserve[]: 0 0 0 0 0 [ 1144.241732] Node 1 Normal free:26688kB min:53508kB low:66884kB high:80260kB active_anon:72828kB inactive_anon:8kB active_file:0kB inactive_file:52kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2656kB pagetables:1640kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 1144.287029] lowmem_reserve[]: 0 0 0 0 0 [ 1144.291117] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1144.311996] Node 0 DMA32: 2619*4kB (UME) 801*8kB (UME) 41*16kB (UM) 4*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18180kB [ 1144.326202] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1144.347579] Node 1 Normal: 363*4kB (UME) 192*8kB (UME) 151*16kB (M) 185*32kB (UME) 110*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26684kB [ 1144.371565] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1144.397415] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1144.411849] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1144.420771] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1144.429377] 960 total pagecache pages [ 1144.446075] 0 pages in swap cache [ 1144.449604] Swap cache stats: add 0, delete 0, find 0/0 [ 1144.465608] Free swap = 0kB [ 1144.468664] Total swap = 0kB [ 1144.471739] 1965979 pages RAM [ 1144.474836] 0 pages HighMem/MovableOnly [ 1144.478804] 335869 pages reserved [ 1144.487630] 0 pages cma reserved [ 1144.491055] Out of memory: Kill process 30601 (syz-executor.1) score 1005 or sacrifice child [ 1144.499678] Killed process 30601 (syz-executor.1) total-vm:72588kB, anon-rss:164kB, file-rss:34688kB, shmem-rss:0kB [ 1144.567873] oom_reaper: reaped process 30601 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1144.597927] kworker/0:2 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=0, oom_score_adj=0 [ 1144.629455] kworker/0:2 cpuset=/ mems_allowed=0-1 [ 1144.637324] CPU: 0 PID: 2866 Comm: kworker/0:2 Not tainted 4.14.167-syzkaller #0 [ 1144.644866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1144.654220] Workqueue: md_misc mddev_delayed_delete [ 1144.659226] Call Trace: [ 1144.661807] dump_stack+0x142/0x197 [ 1144.665419] dump_header+0x177/0x6cd [ 1144.669117] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1144.674204] ? ___ratelimit+0x55/0x537 [ 1144.678075] oom_kill_process.cold+0x10/0xadd [ 1144.682549] ? oom_unkillable_task+0x294/0x390 [ 1144.687113] ? lock_downgrade+0x740/0x740 [ 1144.691264] out_of_memory+0x2ee/0x1180 [ 1144.695217] ? lock_acquire+0x16f/0x430 [ 1144.699173] ? oom_killer_disable+0x1d0/0x1d0 [ 1144.703649] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1144.708557] __alloc_pages_slowpath+0x2251/0x2930 [ 1144.713389] ? warn_alloc+0xf0/0xf0 [ 1144.717002] ? __might_sleep+0x93/0xb0 [ 1144.720868] __alloc_pages_nodemask+0x62c/0x7a0 [ 1144.725521] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1144.730518] ? cache_grow_begin+0x335/0x400 [ 1144.734822] cache_grow_begin+0x80/0x400 [ 1144.738860] ? __cpuset_node_allowed+0xff/0x450 [ 1144.743507] fallback_alloc+0x1fd/0x2c0 [ 1144.747465] ____cache_alloc_node+0x1be/0x1d0 [ 1144.751941] kmem_cache_alloc_node+0xe3/0x780 [ 1144.756421] __alloc_skb+0x9c/0x500 [ 1144.760041] ? skb_trim+0x180/0x180 [ 1144.763652] ? netlink_has_listeners+0x20a/0x330 [ 1144.768402] kobject_uevent_env+0x6ea/0xc80 [ 1144.772707] ? wait_for_completion+0x420/0x420 [ 1144.777271] kobject_uevent+0x20/0x30 [ 1144.781053] device_del+0x65c/0xaa0 [ 1144.784660] ? __device_links_no_driver+0x220/0x220 [ 1144.789655] ? synchronize_srcu+0x233/0x3e2 [ 1144.793955] ? simple_release_fs+0x8c/0xb0 [ 1144.798169] device_unregister+0x15/0x30 [ 1144.802212] bdi_unregister+0x42b/0x600 [ 1144.806166] ? wb_blkcg_offline+0x180/0x180 [ 1144.810465] ? kernfs_find_ns+0x1b5/0x290 [ 1144.814595] ? mutex_unlock+0xd/0x10 [ 1144.818300] ? kernfs_remove_by_name_ns+0x6b/0x90 [ 1144.823132] del_gendisk+0x405/0x820 [ 1144.826831] ? disk_events_poll_msecs_store+0x150/0x150 [ 1144.832174] ? blk_cleanup_queue+0x446/0x610 [ 1144.836563] md_free+0xc8/0x140 [ 1144.839820] ? lock_rdev+0x110/0x110 [ 1144.843514] kobject_put+0x14e/0x210 [ 1144.847219] mddev_delayed_delete+0x34/0x40 [ 1144.851520] process_one_work+0x863/0x1600 [ 1144.855736] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1144.860395] worker_thread+0x5d9/0x1050 [ 1144.864353] kthread+0x319/0x430 [ 1144.867696] ? process_one_work+0x1600/0x1600 [ 1144.872167] ? kthread_create_on_node+0xd0/0xd0 [ 1144.876854] ret_from_fork+0x24/0x30 [ 1144.895302] Mem-Info: [ 1144.897760] active_anon:154258 inactive_anon:483 isolated_anon:0 [ 1144.897760] active_file:222 inactive_file:196 isolated_file:0 [ 1144.897760] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1144.897760] slab_reclaimable:14712 slab_unreclaimable:115555 [ 1144.897760] mapped:52226 shmem:536 pagetables:3075 bounce:0 [ 1144.897760] free:13798 free_pcp:90 free_cma:0 [ 1144.928143] INFO: task syz-executor.0:4513 blocked for more than 140 seconds. [ 1144.935253] Node 0 active_anon:544204kB inactive_anon:1924kB active_file:684kB inactive_file:704kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:208904kB dirty:1556kB writeback:0kB shmem:2136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1144.953473] Not tainted 4.14.167-syzkaller #0 [ 1144.967004] Node 1 active_anon:72828kB inactive_anon:8kB active_file:0kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1144.991418] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1144.998334] Node 0 [ 1145.036013] syz-executor.0 D28768 4513 11876 0x10100004 [ 1145.052370] DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:36kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1145.064227] Call Trace: [ 1145.085947] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1145.093316] Node 0 DMA32 free:18136kB min:36380kB low:45472kB high:54564kB active_anon:544156kB inactive_anon:1924kB active_file:868kB inactive_file:664kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8416kB pagetables:10660kB bounce:0kB free_pcp:184kB local_pcp:184kB free_cma:0kB [ 1145.096679] __schedule+0x7b8/0x1cd0 [ 1145.156601] ? __mutex_lock+0x737/0x1470 [ 1145.168828] ? firmware_map_remove+0x196/0x196 [ 1145.189614] lowmem_reserve[]: 0 0 0 0 0 [ 1145.189987] schedule+0x92/0x1c0 [ 1145.199842] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1145.202589] schedule_preempt_disabled+0x13/0x20 [ 1145.235664] __mutex_lock+0x73c/0x1470 [ 1145.239597] ? hashlimit_mt_check_common.isra.0+0x2b8/0x11b0 [ 1145.245456] ? mutex_trylock+0x1c0/0x1c0 [ 1145.249531] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1145.276593] mutex_lock_nested+0x16/0x20 [ 1145.276967] lowmem_reserve[]: 0 0 0 0 0 [ 1145.286367] Node 1 Normal free:26684kB min:53508kB low:66884kB high:80260kB active_anon:72828kB inactive_anon:8kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2656kB pagetables:1640kB bounce:0kB free_pcp:176kB local_pcp:176kB free_cma:0kB [ 1145.293776] ? mutex_lock_nested+0x16/0x20 [ 1145.337103] lowmem_reserve[]: 0 0 0 0 0 [ 1145.337760] hashlimit_mt_check_common.isra.0+0x2b8/0x11b0 [ 1145.345360] Node 0 DMA: 18*4kB (UM) 17*8kB (UM) 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1145.350074] hashlimit_mt_check_v1+0x302/0x389 [ 1145.380684] ? hashlimit_mt_check_v2+0x390/0x390 [ 1145.385486] ? xt_find_match+0x3e/0x1e0 [ 1145.389561] ? hashlimit_mt_check_v2+0x390/0x390 [ 1145.416425] Node 0 DMA32: 2627*4kB (UME) 799*8kB (UME) 39*16kB (UM) 4*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18164kB [ 1145.417378] xt_check_match+0x254/0x530 [ 1145.447214] ? xt_check_target+0x510/0x510 [ 1145.450831] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1145.467730] Node 1 Normal: 365*4kB (ME) 191*8kB (UME) 151*16kB (M) 185*32kB (UME) 110*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26684kB [ 1145.474694] ? wait_for_completion+0x420/0x420 [ 1145.518105] ? mutex_unlock+0xd/0x10 [ 1145.536737] ? xt_find_match+0x178/0x1e0 [ 1145.543007] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1145.546034] syz-executor.3: page allocation failure: order:0, mode:0x1404040(GFP_NOFS|__GFP_COMP), nodemask=(null) [ 1145.575366] ? xt_request_find_match+0x4b/0xe0 [ 1145.580024] find_check_entry.isra.0+0x2f9/0x920 [ 1145.585492] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1145.598976] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1145.609292] syz-executor.3 cpuset=syz3 mems_allowed=0-1 [ 1145.629396] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1145.659472] CPU: 1 PID: 21911 Comm: syz-executor.3 Not tainted 4.14.167-syzkaller #0 [ 1145.667386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1145.676743] Call Trace: [ 1145.679050] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1145.679345] dump_stack+0x142/0x197 [ 1145.691552] warn_alloc.cold+0x96/0x1af [ 1145.695533] ? zone_watermark_ok_safe+0x2b0/0x2b0 [ 1145.700379] ? trace_hardirqs_on_caller+0x400/0x590 [ 1145.705422] __alloc_pages_slowpath+0x23c6/0x2930 [ 1145.706895] 960 total pagecache pages [ 1145.710288] ? warn_alloc+0xf0/0xf0 [ 1145.710309] ? __might_sleep+0x93/0xb0 [ 1145.710320] __alloc_pages_nodemask+0x62c/0x7a0 [ 1145.710332] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1145.710345] ? cache_grow_begin+0x335/0x400 [ 1145.710358] cache_grow_begin+0x80/0x400 [ 1145.710368] ? __cpuset_node_allowed+0xff/0x450 [ 1145.710377] fallback_alloc+0x1fd/0x2c0 [ 1145.710390] ____cache_alloc_node+0x1be/0x1d0 [ 1145.710400] __kmalloc+0x21a/0x7a0 [ 1145.710412] ? ext4_ext_remove_space+0x17c5/0x3b10 [ 1145.710424] ext4_ext_remove_space+0x17c5/0x3b10 [ 1145.736746] 0 pages in swap cache [ 1145.739718] ? save_trace+0x290/0x290 [ 1145.773534] ? ext4_es_remove_extent+0x9f/0x330 [ 1145.778211] ? find_held_lock+0x35/0x130 [ 1145.782286] ? ext4_ext_index_trans_blocks+0x130/0x130 [ 1145.787566] ? lock_downgrade+0x740/0x740 [ 1145.791725] ? _raw_write_unlock+0x2d/0x50 [ 1145.795964] ? ext4_es_remove_extent+0xa4/0x330 [ 1145.800655] ext4_ext_truncate+0x19e/0x1f0 [ 1145.804895] ext4_truncate+0xbab/0x11f0 [ 1145.808893] ? ext4_punch_hole+0x1100/0x1100 [ 1145.813303] ? __ext4_journal_start_sb+0x105/0x450 [ 1145.817377] Swap cache stats: add 0, delete 0, find 0/0 [ 1145.818227] ? ext4_evict_inode+0x738/0x15d0 [ 1145.827993] ext4_evict_inode+0x8c1/0x15d0 [ 1145.832236] ? ext4_da_write_begin+0xea0/0xea0 [ 1145.836819] ? _raw_spin_unlock+0x2d/0x50 [ 1145.840973] ? ext4_da_write_begin+0xea0/0xea0 [ 1145.845560] evict+0x2e6/0x630 [ 1145.848748] ? do_raw_spin_unlock+0x174/0x260 [ 1145.853251] iput+0x471/0x900 [ 1145.856360] ? ext4_nfs_commit_metadata+0x2f0/0x2f0 [ 1145.859669] Free swap = 0kB [ 1145.861374] dentry_unlink_inode+0x286/0x340 [ 1145.861385] __dentry_kill+0x32e/0x580 [ 1145.861392] ? dput.part.0+0x2a/0x750 [ 1145.861400] ? dput.part.0+0x2a/0x750 [ 1145.861408] dput.part.0+0x4e3/0x750 [ 1145.861418] dput+0x20/0x30 [ 1145.861426] path_put+0x31/0x70 [ 1145.861436] free_fs_struct+0x25/0x70 [ 1145.861444] exit_fs+0xe7/0x120 [ 1145.861457] do_exit+0x9f4/0x2cd0 [ 1145.861469] ? get_signal+0x319/0x1cd0 [ 1145.861479] ? mm_update_next_owner+0x5d0/0x5d0 [ 1145.861498] do_group_exit+0x111/0x330 [ 1145.861509] get_signal+0x381/0x1cd0 [ 1145.861519] ? trace_hardirqs_on+0x10/0x10 [ 1145.921163] ? save_trace+0x290/0x290 [ 1145.924980] do_signal+0x86/0x19a0 [ 1145.928541] ? setup_sigcontext+0x7d0/0x7d0 [ 1145.932877] ? check_preemption_disabled+0x3c/0x250 [ 1145.937902] ? check_preemption_disabled+0x3c/0x250 [ 1145.940161] Total swap = 0kB [ 1145.942927] ? debug_smp_processor_id+0x1c/0x20 [ 1145.945942] 1965979 pages RAM [ 1145.950595] ? perf_trace_sys_exit+0x294/0x400 [ 1145.950606] ? check_preemption_disabled+0x3c/0x250 [ 1145.950616] ? exit_to_usermode_loop+0x3d/0x220 [ 1145.950629] exit_to_usermode_loop+0x15c/0x220 [ 1145.950641] do_syscall_64+0x4bc/0x640 [ 1145.950647] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1145.950664] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1145.986514] RIP: 0033:0x45b349 [ 1145.989710] RSP: 002b:00007f7534e65cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1145.997427] RAX: fffffffffffffe00 RBX: 000000000075c078 RCX: 000000000045b349 [ 1146.004708] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075c078 [ 1146.011986] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 1146.019269] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075c07c [ 1146.026549] R13: 00007ffefb9954ef R14: 00007f7534e669c0 R15: 000000000075c07c [ 1146.033037] 0 pages HighMem/MovableOnly [ 1146.037790] 335869 pages reserved [ 1146.047604] ? ipt_do_table+0x1770/0x1770 [ 1146.052980] ? kfree+0x196/0x270 [ 1146.056377] translate_table+0xb3f/0x15a0 [ 1146.072563] ? __do_replace+0x5b0/0x5b0 [ 1146.076578] ? _copy_from_user+0x99/0x110 [ 1146.086296] do_ipt_set_ctl+0x268/0x3ee [ 1146.095278] ? compat_do_ipt_set_ctl+0x150/0x150 [ 1146.115313] ? mutex_unlock+0xd/0x10 [ 1146.119143] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 1146.132782] 0 pages cma reserved [ 1146.136197] Out of memory: Kill process 30628 (syz-executor.3) score 1005 or sacrifice child [ 1146.141924] nf_setsockopt+0x67/0xc0 [ 1146.148748] ip_setsockopt+0x9b/0xb0 [ 1146.178913] Killed process 30628 (syz-executor.3) total-vm:72588kB, anon-rss:168kB, file-rss:34688kB, shmem-rss:0kB [ 1146.180112] udp_setsockopt+0x4e/0x90 [ 1146.204918] ipv6_setsockopt+0x9e/0x130 [ 1146.209240] tcp_setsockopt+0x84/0xd0 [ 1146.263937] sock_common_setsockopt+0x94/0xd0 [ 1146.268483] SyS_setsockopt+0x13c/0x210 [ 1146.278350] ? SyS_recv+0x40/0x40 [ 1146.301962] ? do_syscall_64+0x53/0x640 [ 1146.305766] oom_reaper: reaped process 30628 (syz-executor.3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1146.305970] ? SyS_recv+0x40/0x40 [ 1146.339726] do_syscall_64+0x1e8/0x640 [ 1146.358748] syz-executor.2 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 1146.377875] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1146.382821] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1146.388018] RIP: 0033:0x45b349 [ 1146.396663] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 1146.398916] Mem-Info: [ 1146.402102] CPU: 1 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1146.402108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1146.402111] Call Trace: [ 1146.402127] dump_stack+0x142/0x197 [ 1146.402142] dump_header+0x177/0x6cd [ 1146.402152] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1146.402162] ? ___ratelimit+0x55/0x537 [ 1146.402176] oom_kill_process.cold+0x10/0xadd [ 1146.402184] ? oom_unkillable_task+0x294/0x390 [ 1146.402198] ? lock_downgrade+0x740/0x740 [ 1146.402213] out_of_memory+0x2ee/0x1180 [ 1146.402220] ? lock_acquire+0x16f/0x430 [ 1146.402235] ? oom_killer_disable+0x1d0/0x1d0 [ 1146.402244] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1146.402256] __alloc_pages_slowpath+0x2251/0x2930 [ 1146.402273] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1146.402287] ? warn_alloc+0xf0/0xf0 [ 1146.402307] ? __might_sleep+0x93/0xb0 [ 1146.402317] __alloc_pages_nodemask+0x62c/0x7a0 [ 1146.402329] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1146.402337] ? lock_downgrade+0x740/0x740 [ 1146.402359] alloc_pages_current+0xec/0x1e0 [ 1146.502879] active_anon:154233 inactive_anon:483 isolated_anon:0 [ 1146.502879] active_file:231 inactive_file:176 isolated_file:5 [ 1146.502879] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1146.502879] slab_reclaimable:14712 slab_unreclaimable:115569 [ 1146.502879] mapped:52226 shmem:536 pagetables:3050 bounce:0 [ 1146.502879] free:13817 free_pcp:110 free_cma:0 [ 1146.506721] __page_cache_alloc+0x248/0x3e0 [ 1146.544550] filemap_fault+0xcef/0x1de0 [ 1146.548529] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1146.553473] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1146.558149] ? lock_acquire+0x16f/0x430 [ 1146.562128] ? ext4_filemap_fault+0x7b/0xb0 [ 1146.566481] ext4_filemap_fault+0x83/0xb0 [ 1146.570627] __do_fault+0x104/0x390 [ 1146.574274] __handle_mm_fault+0x23bd/0x33d0 [ 1146.578694] ? copy_page_range+0x1de0/0x1de0 [ 1146.583214] ? find_held_lock+0x35/0x130 [ 1146.587276] ? handle_mm_fault+0x1b6/0x7c0 [ 1146.591529] handle_mm_fault+0x293/0x7c0 [ 1146.595590] __do_page_fault+0x4c1/0xb80 [ 1146.599676] ? vmalloc_fault+0xe30/0xe30 [ 1146.603742] ? page_fault+0x2f/0x50 [ 1146.607376] do_page_fault+0x71/0x511 [ 1146.611177] ? page_fault+0x2f/0x50 [ 1146.614807] page_fault+0x45/0x50 [ 1146.618259] RIP: 0033:0x41518a [ 1146.621464] RSP: 002b:00007fffe00b9d98 EFLAGS: 00010246 [ 1146.626832] RAX: 000000000000020d RBX: 0000000000000000 RCX: 000000000041518a [ 1146.634213] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1146.641744] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1146.649020] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1146.656293] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1146.671268] RSP: 002b:00007f328d4ecc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1146.679023] RAX: ffffffffffffffda RBX: 00007f328d4ed6d4 RCX: 000000000045b349 [ 1146.718107] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000005 [ 1146.750240] RBP: 000000000075bf20 R08: 0000000000000001 R09: 0000000000000000 [ 1146.757713] R10: 0000000020000580 R11: 0000000000000246 R12: 00000000ffffffff [ 1146.791954] R13: 00000000000009d9 R14: 00000000004cb40c R15: 000000000075bf2c [ 1146.799436] INFO: task syz-executor.0:4520 blocked for more than 140 seconds. [ 1146.825406] Not tainted 4.14.167-syzkaller #0 [ 1146.839157] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1146.847349] syz-executor.0 D28864 4520 11876 0x10000004 [ 1146.858813] Call Trace: [ 1146.861499] __schedule+0x7b8/0x1cd0 [ 1146.865239] ? __mutex_lock+0x737/0x1470 [ 1146.869325] ? firmware_map_remove+0x196/0x196 [ 1146.879698] schedule+0x92/0x1c0 [ 1146.883160] schedule_preempt_disabled+0x13/0x20 [ 1146.887943] __mutex_lock+0x73c/0x1470 [ 1146.897237] ? hashlimit_mt_check_common.isra.0+0x2b8/0x11b0 [ 1146.908522] ? mutex_trylock+0x1c0/0x1c0 [ 1146.918199] ? debug_smp_processor_id+0x1c/0x20 [ 1146.935229] Node 0 active_anon:544104kB inactive_anon:1924kB active_file:848kB inactive_file:780kB unevictable:0kB isolated(anon):0kB isolated(file):112kB mapped:208904kB dirty:1556kB writeback:0kB shmem:2136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1146.945342] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1146.982686] mutex_lock_nested+0x16/0x20 [ 1146.986774] ? mutex_lock_nested+0x16/0x20 [ 1146.997040] hashlimit_mt_check_common.isra.0+0x2b8/0x11b0 [ 1147.009580] Node 1 active_anon:72828kB inactive_anon:8kB active_file:12kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1147.010277] hashlimit_mt_check_v1+0x302/0x389 [ 1147.055405] ? hashlimit_mt_check_v2+0x390/0x390 [ 1147.066808] ? xt_find_match+0x3e/0x1e0 [ 1147.072240] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:40kB inactive_file:24kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1147.079392] ? hashlimit_mt_check_v2+0x390/0x390 [ 1147.126333] xt_check_match+0x254/0x530 [ 1147.130386] ? xt_check_target+0x510/0x510 [ 1147.134637] ? wait_for_completion+0x420/0x420 [ 1147.139236] ? mutex_unlock+0xd/0x10 [ 1147.151154] lowmem_reserve[]: 0 2569 2569 2569 2569 [ 1147.153679] ? xt_find_match+0x178/0x1e0 [ 1147.156381] Node 0 [ 1147.166251] ? xt_request_find_match+0x4b/0xe0 [ 1147.177179] DMA32 free:18060kB min:36380kB low:45472kB high:54564kB active_anon:544036kB inactive_anon:1924kB active_file:756kB inactive_file:748kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8416kB pagetables:10552kB bounce:0kB free_pcp:256kB local_pcp:244kB free_cma:0kB [ 1147.184760] find_check_entry.isra.0+0x2f9/0x920 [ 1147.218827] lowmem_reserve[]: 0 0 0 0 0 [ 1147.222745] ? ipt_do_table+0x1770/0x1770 [ 1147.227106] ? kfree+0x183/0x270 [ 1147.227224] Node 0 [ 1147.236020] ? kvfree+0x4d/0x60 [ 1147.244731] ? trace_hardirqs_on_caller+0x400/0x590 [ 1147.249767] ? trace_hardirqs_on+0xd/0x10 [ 1147.259430] Mem-Info: [ 1147.263225] active_anon:154228 inactive_anon:483 isolated_anon:0 [ 1147.263225] active_file:250 inactive_file:163 isolated_file:32 [ 1147.263225] unevictable:0 dirty:397 writeback:0 unstable:0 [ 1147.263225] slab_reclaimable:14713 slab_unreclaimable:115569 [ 1147.263225] mapped:52226 shmem:536 pagetables:3026 bounce:0 [ 1147.263225] free:13783 free_pcp:88 free_cma:0 [ 1147.318837] translate_table+0xb3f/0x15a0 [ 1147.319611] Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1147.329900] ? __do_replace+0x5b0/0x5b0 [ 1147.356298] lowmem_reserve[]: 0 0 0 0 0 [ 1147.360517] Node 1 Normal free:26676kB min:53508kB low:66884kB high:80260kB active_anon:72828kB inactive_anon:8kB active_file:72kB inactive_file:0kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2656kB pagetables:1552kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1147.373245] ? _copy_from_user+0x99/0x110 [ 1147.419826] lowmem_reserve[]: 0 0 0 0 0 [ 1147.425715] Node 0 active_anon:544084kB inactive_anon:1924kB active_file:948kB inactive_file:792kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:1556kB writeback:0kB shmem:2136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 106496kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1147.429656] Node 0 [ 1147.464642] do_ipt_set_ctl+0x268/0x3ee [ 1147.471638] ? compat_do_ipt_set_ctl+0x150/0x150 [ 1147.476204] DMA: 18*4kB [ 1147.476426] ? mutex_unlock+0xd/0x10 [ 1147.476439] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 1147.479093] (UM) 17*8kB [ 1147.494287] Node 1 active_anon:72828kB inactive_anon:8kB active_file:72kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:32kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1147.503037] (UM) [ 1147.542281] nf_setsockopt+0x67/0xc0 [ 1147.548128] ip_setsockopt+0x9b/0xb0 [ 1147.556714] 14*16kB (UM) 15*32kB (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB (M) = 10384kB [ 1147.557566] udp_setsockopt+0x4e/0x90 [ 1147.585156] ipv6_setsockopt+0x9e/0x130 [ 1147.589194] tcp_setsockopt+0x84/0xd0 [ 1147.593166] Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:48kB inactive_anon:0kB active_file:12kB inactive_file:52kB unevictable:0kB writepending:60kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1147.631735] Node 0 DMA32: 2625*4kB (UME) 797*8kB (ME) 38*16kB (M) 2*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18060kB [ 1147.637465] sock_common_setsockopt+0x94/0xd0 [ 1147.678160] SyS_setsockopt+0x13c/0x210 [ 1147.682914] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1147.687382] ? SyS_recv+0x40/0x40 [ 1147.705266] Node 1 Normal: 358*4kB (UME) 190*8kB (UME) 151*16kB (M) 186*32kB (UME) 110*64kB (UME) 35*128kB (ME) 7*256kB (UM) 2*512kB (U) 1*1024kB (E) 0*2048kB 0*4096kB = 26680kB [ 1147.710542] lowmem_reserve[]: [ 1147.727807] ? do_syscall_64+0x53/0x640 [ 1147.733716] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1147.737449] ? SyS_recv+0x40/0x40 [ 1147.749183] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1147.750056] 0 2569 2569 2569 2569 [ 1147.772933] do_syscall_64+0x1e8/0x640 [ 1147.776858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1147.789230] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1147.793194] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1147.804519] Node 0 DMA32 free:18120kB min:36380kB low:45472kB high:54564kB active_anon:544036kB inactive_anon:1924kB active_file:776kB inactive_file:784kB unevictable:0kB writepending:1496kB present:3129332kB managed:2634340kB mlocked:0kB kernel_stack:8416kB pagetables:10552kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1147.814051] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1147.853543] RIP: 0033:0x45b349 [ 1147.854391] 964 total pagecache pages [ 1147.856757] RSP: 002b:00007f328d4cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1147.866506] 0 pages in swap cache [ 1147.877638] RAX: ffffffffffffffda RBX: 00007f328d4cc6d4 RCX: 000000000045b349 [ 1147.886688] Swap cache stats: add 0, delete 0, find 0/0 [ 1147.895056] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000005 [ 1147.913246] lowmem_reserve[]: 0 0 0 0 0 [ 1147.917276] Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1147.922139] Free swap = 0kB [ 1147.947687] RBP: 000000000075bfc8 R08: 0000000000000001 R09: 0000000000000000 [ 1147.961964] Total swap = 0kB [ 1147.965012] 1965979 pages RAM [ 1147.966688] R10: 0000000020000580 R11: 0000000000000246 R12: 00000000ffffffff [ 1147.968126] 0 pages HighMem/MovableOnly [ 1147.981441] lowmem_reserve[]: 0 0 0 0 0 [ 1147.985738] Node 1 Normal free:26756kB min:53508kB low:66884kB high:80260kB active_anon:72828kB inactive_anon:8kB active_file:72kB inactive_file:0kB unevictable:0kB writepending:32kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:2656kB pagetables:1552kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1147.987502] 335869 pages reserved [ 1148.038450] R13: 00000000000009d9 R14: 00000000004cb40c R15: 000000000075bfd4 [ 1148.041962] lowmem_reserve[]: 0 0 0 0 0 [ 1148.045937] [ 1148.045937] Showing all locks held in the system: [ 1148.049867] Node 0 [ 1148.056251] 2 locks held by init/1: [ 1148.056256] #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x2ca/0xb80 [ 1148.071420] #1: (&ei->i_mmap_sem){++++}, at: [] ext4_filemap_fault+0x7b/0xb0 [ 1148.078853] DMA: [ 1148.080459] 1 lock held by khungtaskd/1059: [ 1148.080463] #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7f/0x21f [ 1148.080504] 3 locks held by kworker/0:2/2866: [ 1148.080508] #0: ("md_misc"){+.+.}, at: [] process_one_work+0x76e/0x1600 [ 1148.080528] #1: ((&mddev->del_work)){+.+.}, at: [] process_one_work+0x7ab/0x1600 [ 1148.080547] #2: (uevent_sock_mutex){+.+.}, at: [] kobject_uevent_env+0x5b3/0xc80 [ 1148.080581] 2 locks held by udevd/3719: [ 1148.080584] #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x2ca/0xb80 [ 1148.080602] #1: (&ei->i_mmap_sem){++++}, at: [] ext4_filemap_fault+0x7b/0xb0 [ 1148.080624] 2 locks held by rsyslogd/7104: [ 1148.080626] #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x2ca/0xb80 [ 1148.080644] #1: (&ei->i_mmap_sem){++++}, at: [] ext4_filemap_fault+0x7b/0xb0 [ 1148.080663] 2 locks held by cron/7155: [ 1148.080666] #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x2ca/0xb80 [ 1148.080685] #1: (&ei->i_mmap_sem){++++}, at: [] ext4_filemap_fault+0x7b/0xb0 [ 1148.080706] 2 locks held by getty/7227: [ 1148.080709] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1148.080732] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 [ 1148.080822] 2 locks held by getty/7228: [ 1148.080825] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1148.093343] 18*4kB [ 1148.096272] #1: [ 1148.117513] (UM) [ 1148.118595] ( [ 1148.147963] 17*8kB [ 1148.149547] &ldata->atomic_read_lock [ 1148.189279] (UM) [ 1148.193266] ){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 [ 1148.193287] 2 locks held by getty/7229: [ 1148.193291] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1148.193318] #1: [ 1148.220874] 14*16kB [ 1148.228007] (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 [ 1148.269124] 0 pages cma reserved [ 1148.277110] 2 locks held by getty/7230: [ 1148.277115] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1148.277150] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 [ 1148.299318] (UM) [ 1148.302697] 2 locks held by getty/7231: [ 1148.302700] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1148.302729] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 [ 1148.302752] 2 locks held by getty/7232: [ 1148.302756] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1148.302775] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 [ 1148.316226] 15*32kB [ 1148.317547] 2 locks held by getty/7233: [ 1148.355217] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1148.363981] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 [ 1148.373363] 2 locks held by syz-fuzzer/7248: [ 1148.377764] #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x2ca/0xb80 [ 1148.386503] #1: (&ei->i_mmap_sem){++++}, at: [] ext4_filemap_fault+0x7b/0xb0 [ 1148.392382] (M) 10*64kB (UM) 3*128kB (UM) 3*256kB (M) 3*512kB (UM) 2*1024kB (UM) 0*2048kB 1*4096kB [ 1148.395510] 2 locks held by syz-fuzzer/7249: [ 1148.395511] (M) = 10384kB [ 1148.405616] #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x2ca/0xb80 [ 1148.405646] #1: (&ei->i_mmap_sem){++++}, at: [] ext4_filemap_fault+0x7b/0xb0 [ 1148.405671] 2 locks held by syz-fuzzer/7251: [ 1148.405674] #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x2ca/0xb80 [ 1148.405693] #1: (&ei->i_mmap_sem){++++}, at: [] ext4_filemap_fault+0x7b/0xb0 [ 1148.405713] 2 locks held by syz-fuzzer/7252: [ 1148.405717] #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x2ca/0xb80 [ 1148.405736] #1: (&ei->i_mmap_sem){++++}, at: [] ext4_filemap_fault+0x7b/0xb0 [ 1148.405765] 4 locks held by kworker/u4:6/8805: [ 1148.405768] #0: ("%s""netns"){+.+.}, at: [] process_one_work+0x76e/0x1600 [ 1148.405790] #1: (net_cleanup_work){+.+.}, at: [] process_one_work+0x7ab/0x1600 [ 1148.405809] #2: ( [ 1148.437971] Node 0 [ 1148.443865] net_mutex){+.+.}, at: [] cleanup_net+0x11c/0x870 [ 1148.443891] #3: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 [ 1148.443920] 2 locks held by syz-executor.0/11876: [ 1148.443923] #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x2ca/0xb80 [ 1148.443944] #1: (&ei->i_mmap_sem){++++}, at: [] ext4_filemap_fault+0x7b/0xb0 [ 1148.443982] 2 locks held by syz-executor.1/15759: [ 1148.443986] #0: (&sb->s_type->i_mutex_key#11){+.+.}, at: [] __sock_release+0x89/0x2b0 [ 1148.444093] #1: [ 1148.531519] DMA32: 2631*4kB (UME) 797*8kB (ME) 38*16kB (M) 1*32kB (U) 6*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18052kB [ 1148.531588] Node 0 Normal: [ 1148.540589] (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 [ 1148.540632] 1 lock held by syz-executor.4/19964: [ 1148.540635] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x4db/0x15d0 [ 1148.540662] 1 lock held by syz-executor.3/21911: [ 1148.540666] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x4db/0x15d0 [ 1148.540688] 1 lock held by syz-executor.3/21955: [ 1148.540691] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x4db/0x15d0 [ 1148.540712] 1 lock held by syz-executor.3/21975: [ 1148.540716] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x4db/0x15d0 [ 1148.540739] 4 locks held by syz-executor.3/23317: [ 1148.540742] #0: ( [ 1148.574026] 0*4kB [ 1148.580950] &bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xa6/0x7f0 [ 1148.580974] #1: (loop_index_mutex){+.+.}, at: [] lo_release+0x20/0x1b0 [ 1148.581070] #2: (&lo->lo_ctl_mutex#2){+.+.}, at: [] lo_release+0x8c/0x1b0 [ 1148.581094] #3: (uevent_sock_mutex){+.+.}, at: [] kobject_uevent_env+0x5b3/0xc80 [ 1148.581127] 3 locks held by kworker/1:0/24807: [ 1148.628760] 0*8kB [ 1148.635184] #0: ("%s"("ipv6_addrconf")){+.+.}, at: [] process_one_work+0x76e/0x1600 [ 1148.635215] #1: ((addr_chk_work).work){+.+.}, at: [] process_one_work+0x7ab/0x1600 [ 1148.635243] #2: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 [ 1148.635274] 2 locks held by syz-executor.5/25171: [ 1148.666168] 0*16kB [ 1148.669608] #0: (&sb->s_type->i_mutex_key#11){+.+.}, at: [] __sock_release+0x89/0x2b0 [ 1148.728864] 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1148.729467] #1: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 [ 1148.745601] 2 locks held by syz-executor.5/25193: [ 1148.750497] #0: (&sb->s_type->i_mutex_key#11){+.+.}, at: [] __sock_release+0x89/0x2b0 [ 1148.760298] #1: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 [ 1148.765708] Node 1 [ 1148.768041] 2 locks held by syz-executor.5/25203: [ 1148.768046] #0: (&sb->s_type->i_mutex_key#11){+.+.}, at: [] __sock_release+0x89/0x2b0 [ 1148.780548] Normal: 377*4kB (UME) 195*8kB (UME) 151*16kB (M) 186*32kB (UME) 110*64kB (UME) 35*128kB (ME) 7*256kB [ 1148.784974] #1: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 [ 1148.803266] 2 locks held by syz-executor.5/25221: [ 1148.808190] #0: (&sb->s_type->i_mutex_key#11){+.+.}, at: [] __sock_release+0x89/0x2b0 [ 1148.817988] #1: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 [ 1148.825776] 2 locks held by syz-executor.3/27215: [ 1148.829370] (UM) [ 1148.830670] #0: (&sb->s_type->i_mutex_key#11){+.+.}, at: [] __sock_release+0x89/0x2b0 [ 1148.830701] #1: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 [ 1148.830734] 1 lock held by syz-executor.2/28047: [ 1148.830737] #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 [ 1148.830761] 2 locks held by syz-executor.4/29581: [ 1148.830764] #0: (&sb->s_type->i_mutex_key#11){+.+.}, at: [] __sock_release+0x89/0x2b0 [ 1148.830789] #1: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 [ 1148.879242] 2*512kB [ 1148.885307] 1 lock held by syz-executor.2/30569: [ 1148.885311] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x4db/0x15d0 [ 1148.885341] 1 lock held by syz-executor.3/30597: [ 1148.885344] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x4db/0x15d0 [ 1148.917201] 1 lock held by syz-executor.1/30601: [ 1148.919521] (U) [ 1148.922066] #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 [ 1148.922099] 1 lock held by syz-executor.3/30628: [ 1148.922102] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x4db/0x15d0 [ 1148.922128] 1 lock held by syz-executor.5/30659: [ 1148.922131] #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 [ 1148.922159] 2 locks held by syz-executor.4/32601: [ 1148.922162] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x4db/0x15d0 [ 1148.922180] #1: (&ei->i_data_sem){++++}, at: [] ext4_truncate+0x4b9/0x11f0 [ 1148.922200] 2 locks held by syz-executor.4/920: [ 1148.947339] 1*1024kB [ 1148.950684] #0: (&sb->s_type->i_mutex_key#11){+.+.}, at: [] __sock_release+0x89/0x2b0 [ 1148.950717] #1: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 [ 1148.950762] 1 lock held by syz-executor.2/4496: [ 1148.950766] #0: (hashlimit_mutex){+.+.}, at: [] hashlimit_mt_check_common.isra.0+0x2b8/0x11b0 [ 1148.950793] 1 lock held by syz-executor.0/4513: [ 1148.950795] #0: (hashlimit_mutex){+.+.}, at: [] hashlimit_mt_check_common.isra.0+0x2b8/0x11b0 [ 1148.950818] 1 lock held by syz-executor.0/4520: [ 1148.950822] #0: (hashlimit_mutex){+.+.}, at: [] hashlimit_mt_check_common.isra.0+0x2b8/0x11b0 [ 1148.950845] [ 1148.988374] (E) [ 1148.997776] ============================================= [ 1148.997776] [ 1149.000609] NMI backtrace for cpu 0 [ 1149.065460] CPU: 0 PID: 1059 Comm: khungtaskd Not tainted 4.14.167-syzkaller #0 [ 1149.072909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1149.082260] Call Trace: [ 1149.084856] dump_stack+0x142/0x197 [ 1149.088507] nmi_cpu_backtrace.cold+0x57/0x94 [ 1149.091521] 0*2048kB [ 1149.092999] ? irq_force_complete_move.cold+0x7d/0x7d [ 1149.093001] 0*4096kB = 26796kB [ 1149.095414] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 1149.100616] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1149.103765] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1149.109037] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1149.117876] watchdog+0x5e7/0xb90 [ 1149.117894] kthread+0x319/0x430 [ 1149.117902] ? hungtask_pm_notify+0x50/0x50 [ 1149.117911] ? kthread_create_on_node+0xd0/0xd0 [ 1149.123124] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1149.131666] ret_from_fork+0x24/0x30 [ 1149.131871] Sending NMI from CPU 0 to CPUs 1: [ 1149.135141] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1149.139514] NMI backtrace for cpu 1 [ 1149.139519] CPU: 1 PID: 9599 Comm: syz-executor.2 Not tainted 4.14.167-syzkaller #0 [ 1149.139523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1149.139526] task: ffff8880598223c0 task.stack: ffff88807e348000 [ 1149.139529] RIP: 0010:__sanitizer_cov_trace_pc+0x9/0x60 [ 1149.139532] RSP: 0000:ffff88807e34eef0 EFLAGS: 00000016 [ 1149.139537] RAX: ffff8880598223c0 RBX: ffffffff86cb20a4 RCX: 0000000000000004 [ 1149.139540] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff86cb20a2 [ 1149.139543] RBP: ffff88807e34ef80 R08: ffffffff86cb20a4 R09: ffffffff8959ba78 [ 1149.139547] R10: ffff888059822ce0 R11: ffff8880598223c0 R12: ffff88807e34f000 [ 1149.139550] R13: ffff88807e34ef58 R14: 000000000000006c R15: ffffffff86cb20a3 [ 1149.139554] FS: 0000000001020940(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 [ 1149.139557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1149.139560] CR2: 0000000000000130 CR3: 000000005f687000 CR4: 00000000001406e0 [ 1149.139564] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1149.139567] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1149.139569] Call Trace: [ 1149.139571] ? format_decode+0x2be/0x930 [ 1149.139574] ? set_precision+0x150/0x150 [ 1149.139576] ? __lock_acquire+0x5f7/0x4620 [ 1149.139578] vsnprintf+0x145/0x1560 [ 1149.139580] ? pointer+0xb10/0xb10 [ 1149.139583] snprintf+0xa5/0xd0 [ 1149.139585] ? vsprintf+0x40/0x40 [ 1149.139587] ? perf_trace_lock+0x500/0x500 [ 1149.139589] ? trace_hardirqs_on+0x10/0x10 [ 1149.139592] print_prefix+0x23c/0x3a0 [ 1149.139594] msg_print_text+0x83/0x1b0 [ 1149.139596] console_unlock+0x302/0xed0 [ 1149.139598] vprintk_emit+0x1f9/0x600 [ 1149.139601] vprintk_default+0x28/0x30 [ 1149.139603] vprintk_func+0x5d/0x159 [ 1149.139605] printk+0x9e/0xbc [ 1149.139607] ? show_regs_print_info+0x63/0x63 [ 1149.139610] ? _find_next_bit+0xee/0x120 [ 1149.139612] hugetlb_show_meminfo.cold+0xe8/0x138 [ 1149.139615] show_free_areas.cold+0x8c5/0x1379 [ 1149.139617] ? preempt_schedule+0x4b/0x60 [ 1149.139620] ? si_meminfo_node+0x2a0/0x2a0 [ 1149.139622] ? vprintk_func+0x65/0x159 [ 1149.139624] show_mem+0x39/0x18b [ 1149.139626] ? dump_stack+0x18a/0x197 [ 1149.139628] dump_header+0x1e1/0x6cd [ 1149.139631] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1149.139633] ? ___ratelimit+0x55/0x537 [ 1149.139636] oom_kill_process.cold+0x10/0xadd [ 1149.139638] ? oom_unkillable_task+0x294/0x390 [ 1149.139641] ? lock_downgrade+0x740/0x740 [ 1149.139643] out_of_memory+0x2ee/0x1180 [ 1149.139645] ? lock_acquire+0x16f/0x430 [ 1149.139648] ? oom_killer_disable+0x1d0/0x1d0 [ 1149.139651] ? __alloc_pages_slowpath+0xca4/0x2930 [ 1149.139653] __alloc_pages_slowpath+0x2251/0x2930 [ 1149.139656] ? __alloc_pages_nodemask+0x639/0x7a0 [ 1149.139658] ? warn_alloc+0xf0/0xf0 [ 1149.139660] ? __might_sleep+0x93/0xb0 [ 1149.139663] __alloc_pages_nodemask+0x62c/0x7a0 [ 1149.139665] ? __alloc_pages_slowpath+0x2930/0x2930 [ 1149.139668] ? lock_downgrade+0x740/0x740 [ 1149.139670] alloc_pages_current+0xec/0x1e0 [ 1149.139673] __page_cache_alloc+0x248/0x3e0 [ 1149.139675] filemap_fault+0xcef/0x1de0 [ 1149.139678] ? perf_trace_lock_acquire+0x10d/0x4f0 [ 1149.139680] ? __lock_page_or_retry+0x8d0/0x8d0 [ 1149.139682] ? lock_acquire+0x16f/0x430 [ 1149.139685] ? ext4_filemap_fault+0x7b/0xb0 [ 1149.139688] ext4_filemap_fault+0x83/0xb0 [ 1149.139690] __do_fault+0x104/0x390 [ 1149.139692] __handle_mm_fault+0x23bd/0x33d0 [ 1149.139695] ? copy_page_range+0x1de0/0x1de0 [ 1149.139697] ? find_held_lock+0x35/0x130 [ 1149.139700] ? handle_mm_fault+0x1b6/0x7c0 [ 1149.139702] handle_mm_fault+0x293/0x7c0 [ 1149.139704] __do_page_fault+0x4c1/0xb80 [ 1149.139707] ? vmalloc_fault+0xe30/0xe30 [ 1149.139709] ? page_fault+0x2f/0x50 [ 1149.139711] do_page_fault+0x71/0x511 [ 1149.139713] ? page_fault+0x2f/0x50 [ 1149.139715] page_fault+0x45/0x50 [ 1149.139717] RIP: 0033:0x41518a [ 1149.139720] RSP: 002b:00007fffe00b9d98 EFLAGS: 00010246 [ 1149.139725] RAX: 000000000000020d RBX: 0000000000000000 RCX: 000000000041518a [ 1149.139728] RDX: 0000000040000000 RSI: 00007fffe00b9dd0 RDI: ffffffffffffffff [ 1149.139732] RBP: 0000000000000c7e R08: 0000000000000001 R09: 0000000001020940 [ 1149.139736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1149.139739] R13: 00007fffe00b9dd0 R14: 00000000000efd73 R15: 00007fffe00b9de0 [ 1149.139741] Code: 4c 89 35 2b c4 4c 08 41 be f4 ff ff ff e8 23 33 ee ff 48 c7 05 15 c4 4c 08 00 00 00 00 e9 14 ec ff ff 65 48 8b 04 25 40 ee 01 00 <48> 85 c0 74 1a 65 8b 15 4b ca a4 7e 81 e2 00 01 1f 00 75 0b 8b [ 1149.157543] Kernel panic - not syncing: hung_task: blocked tasks [ 1149.249212] 958 total pagecache pages [ 1149.257012] CPU: 0 PID: 1059 Comm: khungtaskd Not tainted 4.14.167-syzkaller #0 [ 1149.257019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1149.257022] Call Trace: [ 1149.257042] dump_stack+0x142/0x197 [ 1149.257055] panic+0x1f9/0x42d [ 1149.262947] 0 pages in swap cache [ 1149.270204] ? add_taint.cold+0x16/0x16 [ 1149.270215] ? ___preempt_schedule+0x16/0x18 [ 1149.270234] watchdog+0x5f8/0xb90 [ 1149.279480] Swap cache stats: add 0, delete 0, find 0/0 [ 1149.286742] kthread+0x319/0x430 [ 1149.286751] ? hungtask_pm_notify+0x50/0x50 [ 1149.286757] ? kthread_create_on_node+0xd0/0xd0 [ 1149.286768] ret_from_fork+0x24/0x30 [ 1149.289341] Free swap = 0kB [ 1149.289348] Total swap = 0kB [ 1149.294884] Kernel Offset: disabled [ 1149.692001] Rebooting in 86400 seconds..