0/0x650 [ 1622.339967][ T6797] alloc_pages_current+0x187/0x280 [ 1622.345099][ T6797] __page_cache_alloc+0x31e/0x450 [ 1622.350227][ T6797] pagecache_get_page+0x2a6/0xf70 [ 1622.355270][ T6797] ? __do_page_cache_readahead+0xc2/0xf0 [ 1622.360923][ T6797] filemap_fault+0x1a94/0x2ab0 [ 1622.365715][ T6797] ext4_filemap_fault+0x87/0xb6 [ 1622.370587][ T6797] __do_fault+0x10d/0x4d0 [ 1622.374923][ T6797] handle_mm_fault+0x37a3/0x43f0 [ 1622.379854][ T6797] ? apply_to_existing_page_range+0x40/0x40 [ 1622.385787][ T6797] do_user_addr_fault+0x5a2/0xd00 [ 1622.390828][ T6797] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1622.396393][ T6797] exc_page_fault+0xab/0x170 [ 1622.400990][ T6797] ? asm_exc_page_fault+0x8/0x30 [ 1622.405927][ T6797] asm_exc_page_fault+0x1e/0x30 [ 1622.410799][ T6797] RIP: 0033:0x460c23 [ 1622.414676][ T6797] Code: Bad RIP value. [ 1622.418742][ T6797] RSP: 002b:000000c00003f6a0 EFLAGS: 00010202 [ 1622.424814][ T6797] RAX: ffffffffffffff92 RBX: 000000003b986045 RCX: 0000000000460c23 [ 1622.432796][ T6797] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000001703ac0 [ 1622.440778][ T6797] RBP: 000000c00003f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1622.448767][ T6797] R10: 000000c00003f6d8 R11: 0000000000000202 R12: 000001842bebcb60 [ 1622.456753][ T6797] R13: 0000000000000002 R14: 000001842bebcb60 R15: 0000000000000000 [ 1622.473749][ T6797] Mem-Info: [ 1622.476924][ T6797] active_anon:263085 inactive_anon:4132 isolated_anon:0 [ 1622.476924][ T6797] active_file:175 inactive_file:134 isolated_file:0 [ 1622.476924][ T6797] unevictable:0 dirty:305 writeback:8 [ 1622.476924][ T6797] slab_reclaimable:14723 slab_unreclaimable:108769 [ 1622.476924][ T6797] mapped:53251 shmem:4360 pagetables:12388 bounce:0 [ 1622.476924][ T6797] free:13632 free_pcp:0 free_cma:0 [ 1622.562979][ T6797] Node 0 active_anon:1051936kB inactive_anon:16524kB active_file:560kB inactive_file:704kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213004kB dirty:1220kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 892928kB writeback_tmp:0kB kernel_stack:22176kB all_unreclaimable? no [ 1622.622411][ T6797] Node 1 active_anon:404kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:160kB all_unreclaimable? yes [ 1622.682408][ T6797] Node 0 DMA free:10164kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1622.762394][ T6797] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1622.768174][ T6797] Node 0 DMA32 free:17468kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1047840kB inactive_anon:16524kB active_file:724kB inactive_file:604kB unevictable:0kB writepending:1220kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:49236kB bounce:0kB free_pcp:448kB local_pcp:216kB free_cma:0kB [ 1622.852386][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1622.857162][ T6797] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1622.892384][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1622.897114][ T6797] Node 1 Normal free:26912kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:404kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:316kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1622.927869][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1622.932636][ T6797] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10164kB [ 1622.947449][ T6797] Node 0 DMA32: 1673*4kB (ME) 541*8kB (ME) 210*16kB (UME) 79*32kB (M) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 16972kB [ 1622.965329][ T6797] 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 [ 1622.976827][ T6797] Node 1 Normal: 10*4kB (UME) 7*8kB (ME) 8*16kB (UME) 4*32kB (ME) 5*64kB (ME) 7*128kB (UME) 3*256kB (UME) 4*512kB (UME) 2*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26912kB [ 1623.002055][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1623.020939][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1623.030315][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1623.043074][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1623.068096][ T6797] 4685 total pagecache pages [ 1623.103815][ T6797] 0 pages in swap cache [ 1623.108574][ T6797] Swap cache stats: add 0, delete 0, find 0/0 [ 1623.153791][ T6797] Free swap = 0kB [ 1623.157536][ T6797] Total swap = 0kB [ 1623.161370][ T6797] 1965979 pages RAM [ 1623.182441][ T6797] 0 pages HighMem/MovableOnly [ 1623.187155][ T6797] 349901 pages reserved [ 1623.191306][ T6797] 0 pages cma reserved [ 1623.239910][ T6797] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=22305,uid=0 [ 1623.263759][ T6797] Out of memory: Killed process 22305 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1623.321729][ T6797] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1623.339703][ T6797] CPU: 0 PID: 6797 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1623.349175][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1623.359234][ T6797] Call Trace: [ 1623.362537][ T6797] dump_stack+0x18f/0x20d [ 1623.366898][ T6797] dump_header+0x106/0x60f [ 1623.371317][ T6797] oom_kill_process.cold+0x10/0x15 [ 1623.376435][ T6797] out_of_memory+0x326/0x1340 [ 1623.381123][ T6797] ? oom_killer_disable+0x270/0x270 [ 1623.386327][ T6797] ? mutex_trylock+0x246/0x2c0 [ 1623.391112][ T6797] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1623.397801][ T6797] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1623.404422][ T6797] ? warn_alloc+0x120/0x120 [ 1623.408929][ T6797] ? fs_reclaim_release+0x94/0xf0 [ 1623.413964][ T6797] ? lock_is_held_type+0xb0/0xe0 [ 1623.418904][ T6797] ? find_get_entry+0x3b2/0x8a0 [ 1623.423792][ T6797] __alloc_pages_nodemask+0x5a3/0x700 [ 1623.429180][ T6797] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1623.435961][ T6797] ? page_cache_readahead_unbounded+0x572/0x850 [ 1623.442217][ T6797] ? __lock_page_or_retry+0x650/0x650 [ 1623.447606][ T6797] alloc_pages_current+0x187/0x280 [ 1623.452727][ T6797] __page_cache_alloc+0x31e/0x450 [ 1623.457762][ T6797] pagecache_get_page+0x2a6/0xf70 [ 1623.462801][ T6797] ? __do_page_cache_readahead+0xc2/0xf0 [ 1623.468447][ T6797] filemap_fault+0x1a94/0x2ab0 [ 1623.473234][ T6797] ext4_filemap_fault+0x87/0xb6 [ 1623.478097][ T6797] __do_fault+0x10d/0x4d0 [ 1623.482434][ T6797] handle_mm_fault+0x37a3/0x43f0 [ 1623.487388][ T6797] ? apply_to_existing_page_range+0x40/0x40 [ 1623.493313][ T6797] do_user_addr_fault+0x5a2/0xd00 [ 1623.498357][ T6797] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1623.503916][ T6797] exc_page_fault+0xab/0x170 [ 1623.508513][ T6797] ? asm_exc_page_fault+0x8/0x30 [ 1623.513455][ T6797] asm_exc_page_fault+0x1e/0x30 [ 1623.518306][ T6797] RIP: 0033:0x460c23 [ 1623.522192][ T6797] Code: Bad RIP value. [ 1623.526285][ T6797] RSP: 002b:000000c00003f6a0 EFLAGS: 00010202 [ 1623.533136][ T6797] RAX: ffffffffffffff92 RBX: 000000003b986045 RCX: 0000000000460c23 [ 1623.541111][ T6797] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000001703ac0 [ 1623.549088][ T6797] RBP: 000000c00003f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1623.557080][ T6797] R10: 000000c00003f6d8 R11: 0000000000000202 R12: 000001842bebcb60 [ 1623.565060][ T6797] R13: 0000000000000002 R14: 000001842bebcb60 R15: 0000000000000000 [ 1623.687518][ T6797] Mem-Info: [ 1623.690685][ T6797] active_anon:262545 inactive_anon:4132 isolated_anon:0 [ 1623.690685][ T6797] active_file:202 inactive_file:133 isolated_file:0 [ 1623.690685][ T6797] unevictable:0 dirty:305 writeback:0 [ 1623.690685][ T6797] slab_reclaimable:14722 slab_unreclaimable:108856 [ 1623.690685][ T6797] mapped:53251 shmem:4360 pagetables:12361 bounce:0 [ 1623.690685][ T6797] free:14085 free_pcp:62 free_cma:0 [ 1623.804673][ T6797] Node 0 active_anon:1049776kB inactive_anon:16524kB active_file:800kB inactive_file:504kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213004kB dirty:1220kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 890880kB writeback_tmp:0kB kernel_stack:22144kB all_unreclaimable? no [ 1623.853805][ T6797] Node 1 active_anon:404kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:160kB all_unreclaimable? yes [ 1623.912939][ T6797] Node 0 DMA free:10164kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1623.990748][ T6797] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1624.013505][ T6797] Node 0 DMA32 free:17900kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1045680kB inactive_anon:16524kB active_file:712kB inactive_file:764kB unevictable:0kB writepending:1220kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:49128kB bounce:0kB free_pcp:420kB local_pcp:232kB free_cma:0kB [ 1624.097160][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1624.101880][ T6797] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1624.143216][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1624.147940][ T6797] Node 1 Normal free:26912kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:404kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:316kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1624.186345][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1624.191066][ T6797] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10164kB [ 1624.220057][ T6797] Node 0 DMA32: 1677*4kB (UME) 549*8kB (ME) 210*16kB (UME) 80*32kB (UM) 1*64kB (U) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17852kB [ 1624.250173][ T6797] 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 [ 1624.261734][ T6797] Node 1 Normal: 10*4kB (UME) 7*8kB (ME) 8*16kB (UME) 4*32kB (ME) 5*64kB (ME) 7*128kB (UME) 3*256kB (UME) 4*512kB (UME) 2*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26912kB [ 1624.294882][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1624.357347][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1624.392435][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1624.426455][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1624.440478][ T6797] 4685 total pagecache pages [ 1624.449674][ T6797] 0 pages in swap cache [ 1624.463165][ T6797] Swap cache stats: add 0, delete 0, find 0/0 [ 1624.469694][ T6797] Free swap = 0kB [ 1624.516773][ T6797] Total swap = 0kB [ 1624.520536][ T6797] 1965979 pages RAM [ 1624.530815][ T6797] 0 pages HighMem/MovableOnly [ 1624.536030][ T6797] 349901 pages reserved [ 1624.540184][ T6797] 0 pages cma reserved [ 1624.550339][ T6797] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=22302,uid=0 [ 1624.574970][ T6797] Out of memory: Killed process 22302 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 04:13:37 executing program 5: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x50, 0x50, 0x4, [@enum={0x0, 0x5, 0x0, 0x6, 0x4, [{}, {}, {}, {}, {}]}, @func_proto={0x0, 0x2, 0x0, 0xd, 0x0, [{}, {}]}]}, {0x0, [0x0, 0x0]}}, 0x0, 0x6c, 0x0, 0xfffffffc}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:39 executing program 2: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f00000193c0)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xdc, 0xdc, 0x3, [@enum={0x0, 0x4, 0x0, 0x6, 0x4, [{}, {}, {}, {}]}, @union={0x0, 0x8, 0x0, 0x5, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}]}, @func_proto={0x0, 0x7, 0x0, 0xd, 0x0, [{}, {}, {}, {}, {}, {}, {}]}]}, {0x0, [0x0]}}, 0x0, 0xf7}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:39 executing program 1: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x64, 0x64, 0x4, [@enum={0x0, 0x5, 0x0, 0x6, 0x4, [{}, {}, {}, {}, {}]}, @struct={0x0, 0x3, 0x0, 0x4, 0x0, 0x0, [{}, {}, {}]}]}, {0x0, [0x0, 0x0]}}, 0x0, 0x80, 0x0, 0xfffffffc}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:39 executing program 3: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xb8, 0xb8, 0x5, [@enum={0x0, 0x5, 0x0, 0x6, 0x4, [{}, {}, {}, {}, {}]}, @union={0x0, 0x7, 0x0, 0x5, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}]}, @func_proto={0x0, 0x3, 0x0, 0xd, 0x0, [{}, {}, {}]}]}, {0x0, [0x0, 0x0, 0x0]}}, 0x0, 0xd5, 0x0, 0xfffffffc}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:39 executing program 0: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xa8, 0xa8, 0x5, [@union={0x0, 0xa, 0x0, 0x5, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}]}, @func_proto={0x0, 0x3, 0x0, 0xd, 0x0, [{}, {}, {}]}]}, {0x0, [0x0, 0x0, 0x0]}}, 0x0, 0xc5}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {0x0}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:40 executing program 4: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xc4, 0xc4, 0x4, [@enum={0x0, 0x5, 0x0, 0x6, 0x4, [{}, {}, {}, {}, {}]}, @union={0x0, 0x8, 0x0, 0x5, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}]}, @func_proto={0x0, 0x3, 0x0, 0xd, 0x0, [{}, {}, {}]}]}, {0x0, [0x0, 0x0]}}, 0x0, 0xe0, 0x0, 0xfffffffc}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:40 executing program 1: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x64, 0x64, 0x4, [@enum={0x0, 0x5, 0x0, 0x6, 0x4, [{}, {}, {}, {}, {}]}, @struct={0x0, 0x3, 0x0, 0x4, 0x0, 0x0, [{}, {}, {}]}]}, {0x0, [0x0, 0x0]}}, 0x0, 0x80, 0x0, 0xfffffffc}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:40 executing program 1: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x64, 0x64, 0x4, [@enum={0x0, 0x5, 0x0, 0x6, 0x4, [{}, {}, {}, {}, {}]}, @struct={0x0, 0x3, 0x0, 0x4, 0x0, 0x0, [{}, {}, {}]}]}, {0x0, [0x0, 0x0]}}, 0x0, 0x80, 0x0, 0xfffffffc}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:40 executing program 1: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x64, 0x64, 0x4, [@enum={0x0, 0x5, 0x0, 0x6, 0x4, [{}, {}, {}, {}, {}]}, @struct={0x0, 0x3, 0x0, 0x4, 0x0, 0x0, [{}, {}, {}]}]}, {0x0, [0x0, 0x0]}}, 0x0, 0x80, 0x0, 0xfffffffc}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:40 executing program 1: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x64, 0x64, 0x4, [@enum={0x0, 0x5, 0x0, 0x6, 0x4, [{}, {}, {}, {}, {}]}, @struct={0x0, 0x3, 0x0, 0x4, 0x0, 0x0, [{}, {}, {}]}]}, {0x0, [0x0, 0x0]}}, 0x0, 0x80, 0x0, 0xfffffffc}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:40 executing program 1: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x64, 0x64, 0x4, [@enum={0x0, 0x5, 0x0, 0x6, 0x4, [{}, {}, {}, {}, {}]}, @struct={0x0, 0x3, 0x0, 0x4, 0x0, 0x0, [{}, {}, {}]}]}, {0x0, [0x0, 0x0]}}, 0x0, 0x80, 0x0, 0xfffffffc}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:40 executing program 5: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x50, 0x50, 0x4, [@enum={0x0, 0x5, 0x0, 0x6, 0x4, [{}, {}, {}, {}, {}]}, @func_proto={0x0, 0x2, 0x0, 0xd, 0x0, [{}, {}]}]}, {0x0, [0x0, 0x0]}}, 0x0, 0x6c, 0x0, 0xfffffffc}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:43 executing program 2: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f00000193c0)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xdc, 0xdc, 0x3, [@enum={0x0, 0x4, 0x0, 0x6, 0x4, [{}, {}, {}, {}]}, @union={0x0, 0x8, 0x0, 0x5, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}]}, @func_proto={0x0, 0x7, 0x0, 0xd, 0x0, [{}, {}, {}, {}, {}, {}, {}]}]}, {0x0, [0x0]}}, 0x0, 0xf7}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:43 executing program 3: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x90, 0x90, 0x5, [@union={0x0, 0x8, 0x0, 0x5, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}]}, @func_proto={0x0, 0x3, 0x0, 0xd, 0x0, [{}, {}, {}]}]}, {0x0, [0x0, 0x0, 0x0]}}, 0x0, 0xad, 0x0, 0xfffffffc}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:43 executing program 4: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xc4, 0xc4, 0x4, [@enum={0x0, 0x5, 0x0, 0x6, 0x4, [{}, {}, {}, {}, {}]}, @union={0x0, 0x8, 0x0, 0x5, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}]}, @func_proto={0x0, 0x3, 0x0, 0xd, 0x0, [{}, {}, {}]}]}, {0x0, [0x0, 0x0]}}, 0x0, 0xe0, 0x0, 0xfffffffc}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:43 executing program 0: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xa8, 0xa8, 0x5, [@union={0x0, 0xa, 0x0, 0x5, 0x0, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}]}, @func_proto={0x0, 0x3, 0x0, 0xd, 0x0, [{}, {}, {}]}]}, {0x0, [0x0, 0x0, 0x0]}}, 0x0, 0xc5}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {0x0}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 04:13:43 executing program 5: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x50, 0x50, 0x4, [@enum={0x0, 0x5, 0x0, 0x6, 0x4, [{}, {}, {}, {}, {}]}, @func_proto={0x0, 0x2, 0x0, 0xd, 0x0, [{}, {}]}]}, {0x0, [0x0, 0x0]}}, 0x0, 0x6c, 0x0, 0xfffffffc}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000003c0)=""/102400, 0xffffffffffffff3a}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) [ 1637.636873][T27196] syz-executor.3 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 1637.655411][T27196] CPU: 0 PID: 27196 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1637.665335][T27196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1637.675402][T27196] Call Trace: [ 1637.678712][T27196] dump_stack+0x18f/0x20d [ 1637.683067][T27196] dump_header+0x106/0x60f [ 1637.687524][T27196] oom_kill_process.cold+0x10/0x15 [ 1637.692664][T27196] out_of_memory+0x326/0x1340 [ 1637.697378][T27196] ? oom_killer_disable+0x270/0x270 [ 1637.702601][T27196] ? mutex_trylock+0x246/0x2c0 [ 1637.708345][T27196] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1637.715053][T27196] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1637.721684][T27196] ? warn_alloc+0x120/0x120 [ 1637.726214][T27196] ? fs_reclaim_release+0x94/0xf0 [ 1637.731269][T27196] ? lock_is_held_type+0xb0/0xe0 [ 1637.736237][T27196] __alloc_pages_nodemask+0x5a3/0x700 [ 1637.741631][T27196] ? __pte_alloc+0x1b1/0x310 [ 1637.746244][T27196] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1637.753040][T27196] ? rwlock_bug.part.0+0x90/0x90 [ 1637.758010][T27196] alloc_pages_vma+0xdd/0x720 [ 1637.762717][T27196] handle_mm_fault+0x261d/0x43f0 [ 1637.767683][T27196] ? apply_to_existing_page_range+0x40/0x40 [ 1637.774597][T27196] ? vmacache_update+0xce/0x140 [ 1637.779480][T27196] do_user_addr_fault+0x5a2/0xd00 [ 1637.784537][T27196] exc_page_fault+0xab/0x170 [ 1637.789156][T27196] ? asm_exc_page_fault+0x8/0x30 [ 1637.794116][T27196] asm_exc_page_fault+0x1e/0x30 [ 1637.798985][T27196] RIP: 0033:0x400684 [ 1637.802874][T27196] Code: Bad RIP value. [ 1637.806950][T27196] RSP: 002b:00007ffdbb88d140 EFLAGS: 00010202 [ 1637.813033][T27196] RAX: 0000000020000000 RBX: 0000000000000000 RCX: 0000000020000100 [ 1637.821038][T27196] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000020000000 [ 1637.829025][T27196] RBP: 0000000000790168 R08: 0000000000000000 R09: 0000000000000000 [ 1637.837008][T27196] R10: 00007ffdbb88d260 R11: 0000000000000246 R12: 0000000000790170 [ 1637.844998][T27196] R13: 000000000018f24e R14: fffffffffffffffe R15: 000000000078bf0c [ 1637.872545][T27196] Mem-Info: [ 1637.875720][T27196] active_anon:260433 inactive_anon:4132 isolated_anon:0 [ 1637.875720][T27196] active_file:260 inactive_file:194 isolated_file:32 [ 1637.875720][T27196] unevictable:0 dirty:423 writeback:0 [ 1637.875720][T27196] slab_reclaimable:14862 slab_unreclaimable:107607 [ 1637.875720][T27196] mapped:53381 shmem:4360 pagetables:12355 bounce:0 [ 1637.875720][T27196] free:22155 free_pcp:51 free_cma:0 [ 1637.947928][T27196] Node 0 active_anon:1041572kB inactive_anon:16524kB active_file:1284kB inactive_file:460kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 882688kB writeback_tmp:0kB kernel_stack:22304kB all_unreclaimable? no [ 1637.994298][T27196] Node 1 active_anon:160kB inactive_anon:4kB active_file:8kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1638.023890][T27196] Node 0 DMA free:10172kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1638.051785][T27196] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1638.062403][T27196] Node 0 DMA32 free:24588kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1037476kB inactive_anon:16524kB active_file:1612kB inactive_file:864kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:49332kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1638.099360][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1638.104459][T27196] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1638.137050][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1638.141787][T27196] Node 1 Normal free:53860kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:160kB inactive_anon:4kB active_file:8kB inactive_file:4kB unevictable:0kB writepending:8kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1638.179770][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1638.184566][T27196] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10172kB [ 1638.207331][T27196] Node 0 DMA32: 2344*4kB (UME) 658*8kB (UME) 267*16kB (ME) 100*32kB (UME) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 22432kB [ 1638.251876][T27196] 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 [ 1638.287472][T27196] Node 1 Normal: 15*4kB (ME) 15*8kB (ME) 11*16kB (UME) 7*32kB (ME) 6*64kB (UME) 5*128kB (ME) 2*256kB (ME) 1*512kB (E) 2*1024kB (M) 2*2048kB (UE) 11*4096kB (UM) = 53828kB [ 1638.310532][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1638.328143][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1638.337571][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1638.347233][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1638.358083][T27196] 4814 total pagecache pages [ 1638.362721][T27196] 0 pages in swap cache [ 1638.367238][T27196] Swap cache stats: add 0, delete 0, find 0/0 [ 1638.373370][T27196] Free swap = 0kB [ 1638.377097][T27196] Total swap = 0kB [ 1638.380824][T27196] 1965979 pages RAM [ 1638.386445][T27196] 0 pages HighMem/MovableOnly [ 1638.391138][T27196] 349901 pages reserved [ 1638.395373][T27196] 0 pages cma reserved [ 1638.399453][T27196] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=22299,uid=0 [ 1638.417899][T27196] Out of memory: Killed process 22299 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1638.506958][ T1151] oom_reaper: reaped process 27173 (syz-executor.1), now anon-rss:0kB, file-rss:34752kB, shmem-rss:0kB [ 1638.576276][T27197] syz-executor.2 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 1638.612638][T27197] CPU: 1 PID: 27197 Comm: syz-executor.2 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1638.622569][T27197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1638.632667][T27197] Call Trace: [ 1638.636003][T27197] dump_stack+0x18f/0x20d [ 1638.640363][T27197] dump_header+0x106/0x60f [ 1638.644808][T27197] oom_kill_process.cold+0x10/0x15 [ 1638.649945][T27197] out_of_memory+0x326/0x1340 [ 1638.654656][T27197] ? oom_killer_disable+0x270/0x270 [ 1638.659878][T27197] ? mutex_trylock+0x246/0x2c0 [ 1638.664666][T27197] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1638.671402][T27197] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1638.678008][T27197] ? warn_alloc+0x120/0x120 [ 1638.682535][T27197] ? fs_reclaim_release+0x94/0xf0 [ 1638.687600][T27197] ? lock_is_held_type+0xb0/0xe0 [ 1638.692543][T27197] ? find_get_entry+0x3b2/0x8a0 [ 1638.697408][T27197] __alloc_pages_nodemask+0x5a3/0x700 [ 1638.702818][T27197] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1638.709692][T27197] ? page_cache_readahead_unbounded+0x572/0x850 [ 1638.715933][T27197] ? __lock_page_or_retry+0x650/0x650 [ 1638.721322][T27197] alloc_pages_current+0x187/0x280 [ 1638.726457][T27197] __page_cache_alloc+0x31e/0x450 [ 1638.731510][T27197] pagecache_get_page+0x2a6/0xf70 [ 1638.736541][T27197] ? __do_page_cache_readahead+0xc2/0xf0 [ 1638.742173][T27197] filemap_fault+0x1a94/0x2ab0 [ 1638.747037][T27197] ext4_filemap_fault+0x87/0xb6 [ 1638.751889][T27197] __do_fault+0x10d/0x4d0 [ 1638.756234][T27197] handle_mm_fault+0x37a3/0x43f0 [ 1638.761191][T27197] ? apply_to_existing_page_range+0x40/0x40 [ 1638.767109][T27197] do_user_addr_fault+0x5a2/0xd00 [ 1638.772149][T27197] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1638.777693][T27197] exc_page_fault+0xab/0x170 [ 1638.782304][T27197] ? asm_exc_page_fault+0x8/0x30 [ 1638.787252][T27197] asm_exc_page_fault+0x1e/0x30 [ 1638.793054][T27197] RIP: 0033:0x43b560 [ 1638.796932][T27197] Code: Bad RIP value. [ 1638.800995][T27197] RSP: 002b:00007ffcc0f82178 EFLAGS: 00010246 [ 1638.807064][T27197] RAX: 00000000004fb4e0 RBX: 0000000000000000 RCX: 0000000000021e40 [ 1638.815041][T27197] RDX: 0000000000000007 RSI: 00000000004c2527 RDI: 00000000004cb72f [ 1638.823010][T27197] RBP: 0000000000790000 R08: 0000000000000000 R09: 0000000000000004 [ 1638.830995][T27197] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000790008 [ 1638.838963][T27197] R13: 00007ffcc0f82370 R14: 0000000000000879 R15: 00007ffcc0f82380 [ 1638.878540][T27197] Mem-Info: [ 1638.881714][T27197] active_anon:259361 inactive_anon:4132 isolated_anon:0 [ 1638.881714][T27197] active_file:237 inactive_file:218 isolated_file:0 [ 1638.881714][T27197] unevictable:0 dirty:423 writeback:0 [ 1638.881714][T27197] slab_reclaimable:14862 slab_unreclaimable:108088 [ 1638.881714][T27197] mapped:53381 shmem:4360 pagetables:12328 bounce:0 [ 1638.881714][T27197] free:13759 free_pcp:150 free_cma:0 [ 1638.918677][T27197] Node 0 active_anon:1037284kB inactive_anon:16524kB active_file:932kB inactive_file:804kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 880640kB writeback_tmp:0kB kernel_stack:22272kB all_unreclaimable? yes [ 1638.948577][T27197] Node 1 active_anon:160kB inactive_anon:4kB active_file:0kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1638.977371][T27197] Node 0 DMA free:10172kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1639.037878][T27197] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1639.056183][T27197] Node 0 DMA32 free:18156kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1033188kB inactive_anon:16524kB active_file:1172kB inactive_file:732kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:49224kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 1639.088888][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1639.103342][T27197] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1639.145569][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1639.150365][T27197] Node 1 Normal free:26904kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:160kB inactive_anon:4kB active_file:0kB inactive_file:16kB unevictable:0kB writepending:8kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 1639.179913][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1639.190178][T27197] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10172kB [ 1639.206789][T27197] Node 0 DMA32: 1812*4kB (UME) 537*8kB (ME) 198*16kB (ME) 79*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17240kB [ 1639.221322][T27197] 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 [ 1639.233010][T27197] Node 1 Normal: 17*4kB (UME) 16*8kB (UME) 10*16kB (ME) 8*32kB (UME) 6*64kB (UME) 6*128kB (UME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 27108kB [ 1639.250542][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1639.262699][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1639.272008][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1639.281626][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1639.291021][T27197] 4813 total pagecache pages [ 1639.295887][T27197] 0 pages in swap cache [ 1639.300061][T27197] Swap cache stats: add 0, delete 0, find 0/0 [ 1639.315474][T27197] Free swap = 0kB [ 1639.319222][T27197] Total swap = 0kB [ 1639.323033][T27197] 1965979 pages RAM [ 1639.326851][T27197] 0 pages HighMem/MovableOnly [ 1639.331532][T27197] 349901 pages reserved [ 1639.335848][T27197] 0 pages cma reserved [ 1639.339929][T27197] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=22294,uid=0 [ 1639.354542][T27197] Out of memory: Killed process 22294 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1639.444967][T27198] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1639.471394][T27198] CPU: 0 PID: 27198 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1639.481307][T27198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1639.491548][T27198] Call Trace: [ 1639.494855][T27198] dump_stack+0x18f/0x20d [ 1639.499212][T27198] dump_header+0x106/0x60f [ 1639.503654][T27198] oom_kill_process.cold+0x10/0x15 [ 1639.508786][T27198] out_of_memory+0x326/0x1340 [ 1639.513491][T27198] ? oom_killer_disable+0x270/0x270 [ 1639.518711][T27198] ? mutex_trylock+0x246/0x2c0 [ 1639.523500][T27198] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1639.530210][T27198] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1639.536883][T27198] ? warn_alloc+0x120/0x120 [ 1639.541409][T27198] ? fs_reclaim_release+0x94/0xf0 [ 1639.546467][T27198] ? lock_is_held_type+0xb0/0xe0 [ 1639.551419][T27198] ? find_get_entry+0x3b2/0x8a0 [ 1639.556304][T27198] __alloc_pages_nodemask+0x5a3/0x700 [ 1639.561708][T27198] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1639.568497][T27198] ? page_cache_readahead_unbounded+0x572/0x850 [ 1639.574758][T27198] ? __lock_page_or_retry+0x650/0x650 [ 1639.580152][T27198] alloc_pages_current+0x187/0x280 [ 1639.585293][T27198] __page_cache_alloc+0x31e/0x450 [ 1639.590350][T27198] pagecache_get_page+0x2a6/0xf70 [ 1639.595420][T27198] ? __do_page_cache_readahead+0xc2/0xf0 [ 1639.601084][T27198] filemap_fault+0x1a94/0x2ab0 [ 1639.605880][T27198] ext4_filemap_fault+0x87/0xb6 [ 1639.610750][T27198] __do_fault+0x10d/0x4d0 [ 1639.615097][T27198] handle_mm_fault+0x37a3/0x43f0 [ 1639.620058][T27198] ? apply_to_existing_page_range+0x40/0x40 [ 1639.625988][T27198] do_user_addr_fault+0x5a2/0xd00 [ 1639.631036][T27198] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1639.636611][T27198] exc_page_fault+0xab/0x170 [ 1639.641237][T27198] ? asm_exc_page_fault+0x8/0x30 [ 1639.646199][T27198] asm_exc_page_fault+0x1e/0x30 [ 1639.651068][T27198] RIP: 0033:0x45fffa [ 1639.654960][T27198] Code: Bad RIP value. [ 1639.659029][T27198] RSP: 002b:00007fff992867a8 EFLAGS: 00010246 [ 1639.665101][T27198] RAX: 00007fff99286800 RBX: 0000000000000000 RCX: 0000000000000040 [ 1639.673088][T27198] RDX: 0000000000000001 RSI: 0000000000000040 RDI: 00007fff99286940 [ 1639.682030][T27198] RBP: 0000000000000000 R08: 00000000004c25df R09: 00007fff992867e8 [ 1639.690040][T27198] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000000 [ 1639.698035][T27198] R13: 00007fff992868f0 R14: 0000000000000000 R15: 00007fff99286900 [ 1639.738998][T27198] Mem-Info: [ 1639.742199][T27198] active_anon:258816 inactive_anon:4132 isolated_anon:0 [ 1639.742199][T27198] active_file:234 inactive_file:219 isolated_file:0 [ 1639.742199][T27198] unevictable:0 dirty:423 writeback:0 [ 1639.742199][T27198] slab_reclaimable:14862 slab_unreclaimable:107908 [ 1639.742199][T27198] mapped:53381 shmem:4360 pagetables:12300 bounce:0 [ 1639.742199][T27198] free:13642 free_pcp:133 free_cma:0 [ 1639.794713][T27198] Node 0 active_anon:1035108kB inactive_anon:16524kB active_file:1460kB inactive_file:284kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 876544kB writeback_tmp:0kB kernel_stack:22240kB all_unreclaimable? yes [ 1639.842626][T27198] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1639.899351][T27198] Node 0 DMA free:10172kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1639.971967][T27198] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1639.979715][T27198] Node 0 DMA32 free:17580kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1031012kB inactive_anon:16524kB active_file:540kB inactive_file:1424kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:49112kB bounce:0kB free_pcp:456kB local_pcp:228kB free_cma:0kB [ 1640.020398][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1640.025232][T27198] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1640.056513][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1640.061242][T27198] Node 1 Normal free:26844kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:4kB unevictable:0kB writepending:8kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 1640.095129][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1640.099859][T27198] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10172kB [ 1640.115175][T27198] Node 0 DMA32: 1824*4kB (UME) 543*8kB (UME) 198*16kB (ME) 78*32kB (UM) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17368kB [ 1640.130043][T27198] 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 [ 1640.141581][T27198] Node 1 Normal: 17*4kB (UME) 15*8kB (ME) 10*16kB (ME) 8*32kB (UME) 6*64kB (UME) 6*128kB (UME) 2*256kB (ME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26844kB [ 1640.158842][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1640.185171][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1640.200028][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1640.239433][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1640.269407][T27198] 4811 total pagecache pages [ 1640.274173][T27198] 0 pages in swap cache [ 1640.278343][T27198] Swap cache stats: add 0, delete 0, find 0/0 [ 1640.294169][T27198] Free swap = 0kB [ 1640.298038][T27198] Total swap = 0kB [ 1640.301762][T27198] 1965979 pages RAM [ 1640.305733][T27198] 0 pages HighMem/MovableOnly [ 1640.310461][T27198] 349901 pages reserved [ 1640.315540][T27198] 0 pages cma reserved [ 1640.319894][T27198] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=22291,uid=0 [ 1640.353493][T27198] Out of memory: Killed process 22291 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1640.461479][ T7248] syz-executor.4 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1640.499750][ T7248] CPU: 1 PID: 7248 Comm: syz-executor.4 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1640.509600][ T7248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1640.519763][ T7248] Call Trace: [ 1640.523047][ T7248] dump_stack+0x18f/0x20d [ 1640.527372][ T7248] dump_header+0x106/0x60f [ 1640.531784][ T7248] oom_kill_process.cold+0x10/0x15 [ 1640.536894][ T7248] out_of_memory+0x326/0x1340 [ 1640.541569][ T7248] ? oom_killer_disable+0x270/0x270 [ 1640.546763][ T7248] ? mutex_trylock+0x246/0x2c0 [ 1640.551519][ T7248] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1640.558196][ T7248] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1640.564796][ T7248] ? warn_alloc+0x120/0x120 [ 1640.569313][ T7248] ? fs_reclaim_release+0x94/0xf0 [ 1640.574334][ T7248] ? lock_is_held_type+0xb0/0xe0 [ 1640.579263][ T7248] ? find_get_entry+0x3b2/0x8a0 [ 1640.584110][ T7248] __alloc_pages_nodemask+0x5a3/0x700 [ 1640.589499][ T7248] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1640.596260][ T7248] ? page_cache_readahead_unbounded+0x572/0x850 [ 1640.602505][ T7248] ? __lock_page_or_retry+0x650/0x650 [ 1640.607892][ T7248] alloc_pages_current+0x187/0x280 [ 1640.613022][ T7248] __page_cache_alloc+0x31e/0x450 [ 1640.618045][ T7248] pagecache_get_page+0x2a6/0xf70 [ 1640.623105][ T7248] ? __do_page_cache_readahead+0xc2/0xf0 [ 1640.628772][ T7248] filemap_fault+0x1a94/0x2ab0 [ 1640.633559][ T7248] ext4_filemap_fault+0x87/0xb6 [ 1640.638440][ T7248] __do_fault+0x10d/0x4d0 [ 1640.642793][ T7248] handle_mm_fault+0x37a3/0x43f0 [ 1640.647793][ T7248] ? apply_to_existing_page_range+0x40/0x40 [ 1640.653711][ T7248] do_user_addr_fault+0x5a2/0xd00 [ 1640.658753][ T7248] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1640.664305][ T7248] exc_page_fault+0xab/0x170 [ 1640.668896][ T7248] ? asm_exc_page_fault+0x8/0x30 [ 1640.673830][ T7248] asm_exc_page_fault+0x1e/0x30 [ 1640.678676][ T7248] RIP: 0033:0x4106ae [ 1640.682574][ T7248] Code: Bad RIP value. [ 1640.686647][ T7248] RSP: 002b:00007ffee9a46ec0 EFLAGS: 00010206 [ 1640.692703][ T7248] RAX: 000000000018f6f8 RBX: 000000000018f174 RCX: 000000000018f6a0 [ 1640.700675][ T7248] RDX: 0000001b2d320000 RSI: 0000000000000000 RDI: 0000000000000001 [ 1640.708649][ T7248] RBP: 0000000000000b02 R08: 0000000000000001 R09: 00000000012ad940 [ 1640.716666][ T7248] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1640.724629][ T7248] R13: 00007ffee9a46ef0 R14: 000000000018f174 R15: 00007ffee9a46f00 [ 1640.738646][ T7248] Mem-Info: [ 1640.741806][ T7248] active_anon:258274 inactive_anon:4132 isolated_anon:0 [ 1640.741806][ T7248] active_file:256 inactive_file:184 isolated_file:0 [ 1640.741806][ T7248] unevictable:0 dirty:423 writeback:0 [ 1640.741806][ T7248] slab_reclaimable:14862 slab_unreclaimable:104981 [ 1640.741806][ T7248] mapped:53381 shmem:4360 pagetables:12273 bounce:0 [ 1640.741806][ T7248] free:13620 free_pcp:244 free_cma:0 [ 1640.802613][ T7248] Node 0 active_anon:1032940kB inactive_anon:16524kB active_file:800kB inactive_file:888kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 874496kB writeback_tmp:0kB kernel_stack:22208kB all_unreclaimable? no [ 1640.872668][ T7248] Node 1 active_anon:156kB inactive_anon:4kB active_file:12kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1640.921123][ T7248] Node 0 DMA free:10172kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1640.949044][ T7248] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1640.955666][ T7248] Node 0 DMA32 free:17616kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1028844kB inactive_anon:16524kB active_file:952kB inactive_file:808kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:49004kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1640.988653][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1640.994371][ T7248] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1641.021123][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1641.025896][ T7248] Node 1 Normal free:26828kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:8kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 1641.055182][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1641.059934][ T7248] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10172kB [ 1641.075928][ T7248] Node 0 DMA32: 1837*4kB (ME) 547*8kB (UME) 198*16kB (ME) 79*32kB (UM) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17932kB [ 1641.091338][ T7248] 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 [ 1641.106161][ T7248] Node 1 Normal: 16*4kB (ME) 15*8kB (ME) 11*16kB (UME) 7*32kB (ME) 6*64kB (UME) 6*128kB (UME) 2*256kB (ME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26824kB [ 1641.124537][ T7248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1641.134161][ T7248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1641.143618][ T7248] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1641.171324][ T7248] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1641.180725][ T7248] 4808 total pagecache pages [ 1641.192553][ T7248] 0 pages in swap cache [ 1641.196743][ T7248] Swap cache stats: add 0, delete 0, find 0/0 [ 1641.203246][ T7248] Free swap = 0kB [ 1641.206977][ T7248] Total swap = 0kB [ 1641.210741][ T7248] 1965979 pages RAM [ 1641.214653][ T7248] 0 pages HighMem/MovableOnly [ 1641.219334][ T7248] 349901 pages reserved [ 1641.223598][ T7248] 0 pages cma reserved [ 1641.227678][ T7248] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=22227,uid=0 [ 1641.242120][ T7248] Out of memory: Killed process 22227 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1641.307379][T27196] syz-executor.3 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 1641.337507][T27196] CPU: 0 PID: 27196 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1641.347429][T27196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1641.357670][T27196] Call Trace: [ 1641.361021][T27196] dump_stack+0x18f/0x20d [ 1641.365373][T27196] dump_header+0x106/0x60f [ 1641.369831][T27196] oom_kill_process.cold+0x10/0x15 [ 1641.374968][T27196] out_of_memory+0x326/0x1340 [ 1641.379672][T27196] ? oom_killer_disable+0x270/0x270 [ 1641.384894][T27196] ? mutex_trylock+0x246/0x2c0 [ 1641.389673][T27196] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1641.396376][T27196] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1641.403033][T27196] ? warn_alloc+0x120/0x120 [ 1641.407553][T27196] ? fs_reclaim_release+0x94/0xf0 [ 1641.412656][T27196] ? lock_is_held_type+0xb0/0xe0 [ 1641.417658][T27196] __alloc_pages_nodemask+0x5a3/0x700 [ 1641.423059][T27196] ? __pte_alloc+0x1b1/0x310 [ 1641.427680][T27196] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1641.434467][T27196] ? rwlock_bug.part.0+0x90/0x90 [ 1641.439427][T27196] alloc_pages_vma+0xdd/0x720 [ 1641.444131][T27196] handle_mm_fault+0x261d/0x43f0 [ 1641.449100][T27196] ? apply_to_existing_page_range+0x40/0x40 [ 1641.455027][T27196] ? vmacache_update+0xce/0x140 [ 1641.459902][T27196] do_user_addr_fault+0x5a2/0xd00 [ 1641.464963][T27196] exc_page_fault+0xab/0x170 [ 1641.469573][T27196] ? asm_exc_page_fault+0x8/0x30 [ 1641.474525][T27196] asm_exc_page_fault+0x1e/0x30 [ 1641.479387][T27196] RIP: 0033:0x400684 [ 1641.483279][T27196] Code: Bad RIP value. [ 1641.487345][T27196] RSP: 002b:00007ffdbb88d140 EFLAGS: 00010202 [ 1641.493417][T27196] RAX: 0000000020000000 RBX: 0000000000000000 RCX: 0000000020000100 [ 1641.501397][T27196] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000020000000 [ 1641.509379][T27196] RBP: 0000000000790168 R08: 0000000000000000 R09: 0000000000000000 [ 1641.517366][T27196] R10: 00007ffdbb88d260 R11: 0000000000000246 R12: 0000000000790170 [ 1641.525350][T27196] R13: 000000000018f24e R14: fffffffffffffffe R15: 000000000078bf0c [ 1641.575259][T27196] Mem-Info: [ 1641.578429][T27196] active_anon:257734 inactive_anon:4132 isolated_anon:0 [ 1641.578429][T27196] active_file:243 inactive_file:206 isolated_file:0 [ 1641.578429][T27196] unevictable:0 dirty:423 writeback:0 [ 1641.578429][T27196] slab_reclaimable:14862 slab_unreclaimable:104880 [ 1641.578429][T27196] mapped:53381 shmem:4360 pagetables:12246 bounce:0 [ 1641.578429][T27196] free:13823 free_pcp:36 free_cma:0 [ 1641.624229][T27196] Node 0 active_anon:1030780kB inactive_anon:16524kB active_file:1684kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 872448kB writeback_tmp:0kB kernel_stack:22176kB all_unreclaimable? no [ 1641.657028][T27196] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1641.707593][T27196] Node 0 DMA free:10172kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1641.735782][T27196] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1641.741578][T27196] Node 0 DMA32 free:17416kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1026684kB inactive_anon:16524kB active_file:924kB inactive_file:788kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:48896kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 1641.775043][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1641.779961][T27196] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1641.808145][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1641.815890][T27196] Node 1 Normal free:26916kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:20kB unevictable:0kB writepending:8kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1641.861883][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1641.866706][T27196] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10172kB [ 1641.881978][T27196] Node 0 DMA32: 1900*4kB (UME) 550*8kB (UME) 199*16kB (UME) 76*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17616kB [ 1641.897859][T27196] 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 [ 1641.909448][T27196] Node 1 Normal: 17*4kB (UME) 16*8kB (UME) 10*16kB (ME) 8*32kB (UME) 5*64kB (ME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26916kB [ 1641.927838][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1641.941156][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1641.950986][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1641.960857][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1641.970516][T27196] 4823 total pagecache pages [ 1641.975242][T27196] 0 pages in swap cache [ 1641.979412][T27196] Swap cache stats: add 0, delete 0, find 0/0 [ 1641.985727][T27196] Free swap = 0kB [ 1641.989452][T27196] Total swap = 0kB [ 1641.993259][T27196] 1965979 pages RAM [ 1641.997077][T27196] 0 pages HighMem/MovableOnly [ 1642.001790][T27196] 349901 pages reserved [ 1642.007696][T27196] 0 pages cma reserved [ 1642.011787][T27196] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=22220,uid=0 [ 1642.026440][T27196] Out of memory: Killed process 22220 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1642.062011][ T1151] oom_reaper: reaped process 22220 (syz-executor.1), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1642.191835][ T6789] sshd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1642.202729][ T6789] CPU: 0 PID: 6789 Comm: sshd Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1642.211685][ T6789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1642.221756][ T6789] Call Trace: [ 1642.225075][ T6789] dump_stack+0x18f/0x20d [ 1642.229427][ T6789] dump_header+0x106/0x60f [ 1642.233895][ T6789] oom_kill_process.cold+0x10/0x15 [ 1642.239132][ T6789] out_of_memory+0x326/0x1340 [ 1642.243850][ T6789] ? oom_killer_disable+0x270/0x270 [ 1642.249073][ T6789] ? mutex_trylock+0x246/0x2c0 [ 1642.253863][ T6789] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1642.260653][ T6789] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1642.267294][ T6789] ? warn_alloc+0x120/0x120 [ 1642.271830][ T6789] ? fs_reclaim_release+0x94/0xf0 [ 1642.276887][ T6789] ? lock_is_held_type+0xb0/0xe0 [ 1642.281844][ T6789] ? find_get_entry+0x3b2/0x8a0 [ 1642.286737][ T6789] __alloc_pages_nodemask+0x5a3/0x700 [ 1642.292148][ T6789] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1642.298965][ T6789] ? page_cache_readahead_unbounded+0x572/0x850 [ 1642.305239][ T6789] ? __lock_page_or_retry+0x650/0x650 [ 1642.310637][ T6789] alloc_pages_current+0x187/0x280 [ 1642.315783][ T6789] __page_cache_alloc+0x31e/0x450 [ 1642.320876][ T6789] pagecache_get_page+0x2a6/0xf70 [ 1642.325932][ T6789] ? __do_page_cache_readahead+0xc2/0xf0 [ 1642.331596][ T6789] filemap_fault+0x1a94/0x2ab0 [ 1642.336402][ T6789] ext4_filemap_fault+0x87/0xb6 [ 1642.341286][ T6789] __do_fault+0x10d/0x4d0 [ 1642.345648][ T6789] handle_mm_fault+0x37a3/0x43f0 [ 1642.350619][ T6789] ? apply_to_existing_page_range+0x40/0x40 [ 1642.356571][ T6789] do_user_addr_fault+0x5a2/0xd00 [ 1642.361636][ T6789] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1642.367211][ T6789] exc_page_fault+0xab/0x170 [ 1642.371839][ T6789] ? asm_exc_page_fault+0x8/0x30 [ 1642.376815][ T6789] asm_exc_page_fault+0x1e/0x30 [ 1642.381691][ T6789] RIP: 0033:0x7f8f1e0400d0 [ 1642.386112][ T6789] Code: Bad RIP value. [ 1642.390191][ T6789] RSP: 002b:00007fffa8e4b3c0 EFLAGS: 00010216 [ 1642.396277][ T6789] RAX: 0000000000001111 RBX: 0000564c36c7fd80 RCX: 0000000000001000 [ 1642.404287][ T6789] RDX: 0000000000001110 RSI: 0000000000009281 RDI: 0000000000009280 [ 1642.412274][ T6789] RBP: 0000564c36c80e90 R08: 0000000000000110 R09: 00000000025aa784 [ 1642.420259][ T6789] R10: 0000000000000000 R11: 0000000050000000 R12: 00007f8f1e35fb00 [ 1642.428244][ T6789] R13: 0000000000000000 R14: 0000000000000110 R15: 0000000000000100 [ 1642.462042][ T6789] Mem-Info: [ 1642.466218][ T6789] active_anon:257210 inactive_anon:4132 isolated_anon:0 [ 1642.466218][ T6789] active_file:232 inactive_file:175 isolated_file:0 [ 1642.466218][ T6789] unevictable:0 dirty:423 writeback:0 [ 1642.466218][ T6789] slab_reclaimable:14862 slab_unreclaimable:104721 [ 1642.466218][ T6789] mapped:53381 shmem:4360 pagetables:12246 bounce:0 [ 1642.466218][ T6789] free:13683 free_pcp:176 free_cma:0 [ 1642.510776][ T6789] Node 0 active_anon:1028620kB inactive_anon:16524kB active_file:956kB inactive_file:760kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 872448kB writeback_tmp:0kB kernel_stack:22144kB all_unreclaimable? yes [ 1642.541661][ T6789] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1642.592065][ T6789] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1642.629050][ T6789] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1642.634935][ T6789] Node 0 DMA32 free:17476kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1024524kB inactive_anon:16524kB active_file:1208kB inactive_file:532kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:48788kB bounce:0kB free_pcp:704kB local_pcp:304kB free_cma:0kB [ 1642.666520][ T6789] lowmem_reserve[]: 0 0 0 0 0 [ 1642.671231][ T6789] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1642.712812][ T6789] lowmem_reserve[]: 0 0 0 0 0 [ 1642.717536][ T6789] Node 1 Normal free:26916kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:8kB unevictable:0kB writepending:8kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1642.747233][ T6789] lowmem_reserve[]: 0 0 0 0 0 [ 1642.752196][ T6789] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10148kB [ 1642.771388][ T6789] Node 0 DMA32: 1851*4kB (UME) 509*8kB (UME) 179*16kB (UME) 66*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 17476kB [ 1642.787139][ T6789] 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 [ 1642.798649][ T6789] Node 1 Normal: 17*4kB (UME) 16*8kB (UME) 10*16kB (ME) 8*32kB (UME) 5*64kB (ME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26916kB [ 1642.816974][ T6789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1642.827045][ T6789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1642.837062][ T6789] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1642.846714][ T6789] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1642.856131][ T6789] 4802 total pagecache pages [ 1642.860746][ T6789] 0 pages in swap cache [ 1642.864984][ T6789] Swap cache stats: add 0, delete 0, find 0/0 [ 1642.871057][ T6789] Free swap = 0kB [ 1642.874895][ T6789] Total swap = 0kB [ 1642.878633][ T6789] 1965979 pages RAM [ 1642.882462][ T6789] 0 pages HighMem/MovableOnly [ 1642.887227][ T6789] 349901 pages reserved [ 1642.891390][ T6789] 0 pages cma reserved [ 1642.897218][ T6789] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=22203,uid=0 [ 1642.922629][ T6789] Out of memory: Killed process 22203 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1643.307495][ T6797] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1643.321201][ T6797] CPU: 0 PID: 6797 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1643.330672][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1643.341243][ T6797] Call Trace: [ 1643.344533][ T6797] dump_stack+0x18f/0x20d [ 1643.348852][ T6797] dump_header+0x106/0x60f [ 1643.353256][ T6797] oom_kill_process.cold+0x10/0x15 [ 1643.358355][ T6797] out_of_memory+0x326/0x1340 [ 1643.363026][ T6797] ? oom_killer_disable+0x270/0x270 [ 1643.368214][ T6797] ? mutex_trylock+0x246/0x2c0 [ 1643.372967][ T6797] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1643.379659][ T6797] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1643.386252][ T6797] ? warn_alloc+0x120/0x120 [ 1643.390746][ T6797] ? fs_reclaim_release+0x94/0xf0 [ 1643.396721][ T6797] ? lock_is_held_type+0xb0/0xe0 [ 1643.401649][ T6797] ? find_get_entry+0x3b2/0x8a0 [ 1643.406492][ T6797] __alloc_pages_nodemask+0x5a3/0x700 [ 1643.411856][ T6797] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1643.418612][ T6797] ? page_cache_readahead_unbounded+0x572/0x850 [ 1643.424861][ T6797] ? __lock_page_or_retry+0x650/0x650 [ 1643.430239][ T6797] alloc_pages_current+0x187/0x280 [ 1643.435362][ T6797] __page_cache_alloc+0x31e/0x450 [ 1643.440381][ T6797] pagecache_get_page+0x2a6/0xf70 [ 1643.445413][ T6797] ? __do_page_cache_readahead+0xc2/0xf0 [ 1643.451034][ T6797] filemap_fault+0x1a94/0x2ab0 [ 1643.455795][ T6797] ext4_filemap_fault+0x87/0xb6 [ 1643.460648][ T6797] __do_fault+0x10d/0x4d0 [ 1643.464965][ T6797] handle_mm_fault+0x37a3/0x43f0 [ 1643.469903][ T6797] ? apply_to_existing_page_range+0x40/0x40 [ 1643.475786][ T6797] ? vmacache_update+0xce/0x140 [ 1643.480640][ T6797] do_user_addr_fault+0x5a2/0xd00 [ 1643.485673][ T6797] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1643.491204][ T6797] exc_page_fault+0xab/0x170 [ 1643.495791][ T6797] ? asm_exc_page_fault+0x8/0x30 [ 1643.500712][ T6797] asm_exc_page_fault+0x1e/0x30 [ 1643.505557][ T6797] RIP: 0033:0x437d60 [ 1643.509425][ T6797] Code: Bad RIP value. [ 1643.513478][ T6797] RSP: 002b:000000c000040728 EFLAGS: 00010206 [ 1643.519544][ T6797] RAX: 0000000000000000 RBX: 000000c000042380 RCX: 0000017cc53fb603 [ 1643.527517][ T6797] RDX: 0000000017a93a1a RSI: 0000000000000663 RDI: 00007ffebc9ed080 [ 1643.535481][ T6797] RBP: 000000c000040750 R08: 0000000000000000 R09: 00007ffebc9ed090 [ 1643.543438][ T6797] R10: 000000000004eea4 R11: 0000000000000202 R12: 00000189b172fbd3 [ 1643.551407][ T6797] R13: 0000000000000001 R14: 00000189b172fbd3 R15: 0000000000000000 [ 1643.582612][ T6797] Mem-Info: [ 1643.585819][ T6797] active_anon:256651 inactive_anon:4132 isolated_anon:0 [ 1643.585819][ T6797] active_file:235 inactive_file:200 isolated_file:32 [ 1643.585819][ T6797] unevictable:0 dirty:423 writeback:0 [ 1643.585819][ T6797] slab_reclaimable:14855 slab_unreclaimable:104568 [ 1643.585819][ T6797] mapped:53381 shmem:4360 pagetables:12192 bounce:0 [ 1643.585819][ T6797] free:13628 free_pcp:62 free_cma:0 [ 1643.666128][ T6797] Node 0 active_anon:1026448kB inactive_anon:16524kB active_file:1040kB inactive_file:672kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 868352kB writeback_tmp:0kB kernel_stack:22112kB all_unreclaimable? no [ 1643.731420][ T6797] Node 1 active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1643.766033][ T6797] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1643.795277][ T6797] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1643.801047][ T6797] Node 0 DMA32 free:17448kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1022352kB inactive_anon:16524kB active_file:788kB inactive_file:668kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:48680kB bounce:0kB free_pcp:444kB local_pcp:236kB free_cma:0kB [ 1643.833396][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1643.852947][ T6797] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1643.900932][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1643.906379][ T6797] Node 1 Normal free:26916kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:4kB unevictable:0kB writepending:8kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1643.982572][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1643.987289][ T6797] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10148kB [ 1644.022605][ T6797] Node 0 DMA32: 1882*4kB (UME) 519*8kB (ME) 179*16kB (UME) 66*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 17680kB [ 1644.050620][ T6797] 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 [ 1644.070006][ T6797] Node 1 Normal: 17*4kB (UME) 16*8kB (UME) 10*16kB (ME) 8*32kB (UME) 5*64kB (ME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26916kB [ 1644.089413][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1644.099499][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1644.117375][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1644.137661][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1644.157516][ T6797] 4815 total pagecache pages [ 1644.162120][ T6797] 0 pages in swap cache [ 1644.176921][ T6797] Swap cache stats: add 0, delete 0, find 0/0 [ 1644.187715][ T6797] Free swap = 0kB [ 1644.191438][ T6797] Total swap = 0kB [ 1644.202394][ T6797] 1965979 pages RAM [ 1644.206313][ T6797] 0 pages HighMem/MovableOnly [ 1644.210983][ T6797] 349901 pages reserved [ 1644.237884][ T6797] 0 pages cma reserved [ 1644.241988][ T6797] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=22178,uid=0 [ 1644.262777][ T6797] Out of memory: Killed process 22178 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1644.280491][ T1151] oom_reaper: reaped process 22178 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1644.330170][T27196] syz-executor.3 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 1644.349184][T27196] CPU: 1 PID: 27196 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1644.359216][T27196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1644.369281][T27196] Call Trace: [ 1644.372607][T27196] dump_stack+0x18f/0x20d [ 1644.376950][T27196] dump_header+0x106/0x60f [ 1644.381377][T27196] oom_kill_process.cold+0x10/0x15 [ 1644.386493][T27196] out_of_memory+0x326/0x1340 [ 1644.391191][T27196] ? oom_killer_disable+0x270/0x270 [ 1644.396419][T27196] ? mutex_trylock+0x246/0x2c0 [ 1644.402157][T27196] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1644.408855][T27196] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1644.415483][T27196] ? warn_alloc+0x120/0x120 [ 1644.420001][T27196] ? fs_reclaim_release+0x94/0xf0 [ 1644.425061][T27196] ? lock_is_held_type+0xb0/0xe0 [ 1644.430038][T27196] __alloc_pages_nodemask+0x5a3/0x700 [ 1644.435458][T27196] ? __pte_alloc+0x1b1/0x310 [ 1644.440069][T27196] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1644.446868][T27196] ? rwlock_bug.part.0+0x90/0x90 [ 1644.451833][T27196] alloc_pages_vma+0xdd/0x720 [ 1644.456536][T27196] handle_mm_fault+0x261d/0x43f0 [ 1644.461497][T27196] ? apply_to_existing_page_range+0x40/0x40 [ 1644.467416][T27196] ? vmacache_update+0xce/0x140 [ 1644.472296][T27196] do_user_addr_fault+0x5a2/0xd00 [ 1644.477351][T27196] exc_page_fault+0xab/0x170 [ 1644.481964][T27196] ? asm_exc_page_fault+0x8/0x30 [ 1644.486922][T27196] asm_exc_page_fault+0x1e/0x30 [ 1644.491824][T27196] RIP: 0033:0x400684 [ 1644.495709][T27196] Code: Bad RIP value. [ 1644.499777][T27196] RSP: 002b:00007ffdbb88d140 EFLAGS: 00010202 [ 1644.505844][T27196] RAX: 0000000020000000 RBX: 0000000000000000 RCX: 0000000020000100 [ 1644.513818][T27196] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000020000000 [ 1644.521814][T27196] RBP: 0000000000790168 R08: 0000000000000000 R09: 0000000000000000 [ 1644.529781][T27196] R10: 00007ffdbb88d260 R11: 0000000000000246 R12: 0000000000790170 [ 1644.537754][T27196] R13: 000000000018f24e R14: fffffffffffffffe R15: 000000000078bf0c [ 1644.562914][T27196] Mem-Info: [ 1644.566259][T27196] active_anon:256109 inactive_anon:4132 isolated_anon:0 [ 1644.566259][T27196] active_file:191 inactive_file:187 isolated_file:64 [ 1644.566259][T27196] unevictable:0 dirty:423 writeback:0 [ 1644.566259][T27196] slab_reclaimable:14852 slab_unreclaimable:104419 [ 1644.566259][T27196] mapped:53381 shmem:4360 pagetables:12165 bounce:0 [ 1644.566259][T27196] free:13606 free_pcp:199 free_cma:0 [ 1644.603617][T27196] Node 0 active_anon:1024280kB inactive_anon:16524kB active_file:724kB inactive_file:1112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 866304kB writeback_tmp:0kB kernel_stack:22080kB all_unreclaimable? no [ 1644.634153][T27196] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1644.701484][T27196] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1644.730494][T27196] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1644.738657][T27196] Node 0 DMA32 free:17308kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1020184kB inactive_anon:16524kB active_file:920kB inactive_file:1028kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:48572kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1644.780004][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1644.787556][T27196] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1644.830985][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1644.840946][T27196] Node 1 Normal free:26912kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:8kB unevictable:0kB writepending:8kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 1644.877949][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1644.889916][T27196] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10148kB [ 1644.912015][T27196] Node 0 DMA32: 1894*4kB (ME) 524*8kB (ME) 178*16kB (ME) 67*32kB (UM) 0*64kB 0*128kB 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17272kB [ 1644.937153][T27196] 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 [ 1644.954027][T27196] Node 1 Normal: 17*4kB (UME) 15*8kB (ME) 11*16kB (UME) 7*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26956kB [ 1644.979005][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1644.988848][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1645.010365][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1645.023996][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1645.038417][T27196] 4802 total pagecache pages [ 1645.046429][T27196] 0 pages in swap cache [ 1645.050804][T27196] Swap cache stats: add 0, delete 0, find 0/0 [ 1645.061891][T27196] Free swap = 0kB [ 1645.068467][T27196] Total swap = 0kB [ 1645.078710][T27196] 1965979 pages RAM [ 1645.085525][T27196] 0 pages HighMem/MovableOnly [ 1645.090453][T27196] 349901 pages reserved [ 1645.099826][T27196] 0 pages cma reserved [ 1645.107991][T27196] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=22051,uid=0 [ 1645.160147][T27196] Out of memory: Killed process 22051 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1645.201485][T27196] syz-executor.3 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 1645.234094][T27196] CPU: 0 PID: 27196 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1645.244033][T27196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1645.254074][T27196] Call Trace: [ 1645.257354][T27196] dump_stack+0x18f/0x20d [ 1645.261695][T27196] dump_header+0x106/0x60f [ 1645.266142][T27196] oom_kill_process.cold+0x10/0x15 [ 1645.271275][T27196] out_of_memory+0x326/0x1340 [ 1645.275940][T27196] ? oom_killer_disable+0x270/0x270 [ 1645.281137][T27196] ? mutex_trylock+0x246/0x2c0 [ 1645.285903][T27196] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1645.292574][T27196] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1645.299173][T27196] ? warn_alloc+0x120/0x120 [ 1645.303677][T27196] ? fs_reclaim_release+0x94/0xf0 [ 1645.308690][T27196] ? lock_is_held_type+0xb0/0xe0 [ 1645.313626][T27196] __alloc_pages_nodemask+0x5a3/0x700 [ 1645.318976][T27196] ? __pte_alloc+0x1b1/0x310 [ 1645.323563][T27196] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1645.330322][T27196] ? rwlock_bug.part.0+0x90/0x90 [ 1645.335245][T27196] alloc_pages_vma+0xdd/0x720 [ 1645.339905][T27196] handle_mm_fault+0x261d/0x43f0 [ 1645.344830][T27196] ? apply_to_existing_page_range+0x40/0x40 [ 1645.350726][T27196] ? vmacache_update+0xce/0x140 [ 1645.355561][T27196] do_user_addr_fault+0x5a2/0xd00 [ 1645.360571][T27196] exc_page_fault+0xab/0x170 [ 1645.365154][T27196] ? asm_exc_page_fault+0x8/0x30 [ 1645.370071][T27196] asm_exc_page_fault+0x1e/0x30 [ 1645.374916][T27196] RIP: 0033:0x400684 [ 1645.378798][T27196] Code: Bad RIP value. [ 1645.382863][T27196] RSP: 002b:00007ffdbb88d140 EFLAGS: 00010202 [ 1645.388905][T27196] RAX: 0000000020000000 RBX: 0000000000000000 RCX: 0000000020000100 [ 1645.396870][T27196] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000020000000 [ 1645.404838][T27196] RBP: 0000000000790168 R08: 0000000000000000 R09: 0000000000000000 [ 1645.413490][T27196] R10: 00007ffdbb88d260 R11: 0000000000000246 R12: 0000000000790170 [ 1645.421446][T27196] R13: 000000000018f24e R14: fffffffffffffffe R15: 000000000078bf0c [ 1645.525265][T27196] Mem-Info: [ 1645.528434][T27196] active_anon:255575 inactive_anon:4132 isolated_anon:0 [ 1645.528434][T27196] active_file:186 inactive_file:226 isolated_file:0 [ 1645.528434][T27196] unevictable:0 dirty:423 writeback:0 [ 1645.528434][T27196] slab_reclaimable:14852 slab_unreclaimable:104458 [ 1645.528434][T27196] mapped:53381 shmem:4360 pagetables:12165 bounce:0 [ 1645.528434][T27196] free:13708 free_pcp:231 free_cma:0 [ 1645.642721][T27196] Node 0 active_anon:1022124kB inactive_anon:16524kB active_file:816kB inactive_file:952kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 864256kB writeback_tmp:0kB kernel_stack:22048kB all_unreclaimable? no [ 1645.674279][T27196] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1645.723067][T27196] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1645.768479][T27196] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1645.779327][T27196] Node 0 DMA32 free:17464kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1018028kB inactive_anon:16524kB active_file:512kB inactive_file:1108kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:48464kB bounce:0kB free_pcp:512kB local_pcp:260kB free_cma:0kB [ 1645.820924][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1645.841002][T27196] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1645.877794][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1645.887517][T27196] Node 1 Normal free:26796kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:8kB unevictable:0kB writepending:8kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 1645.917674][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1645.936701][T27196] Node 0 DMA: 1*4kB (U) 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10164kB [ 1645.987954][T27196] Node 0 DMA32: 1920*4kB (ME) 526*8kB (ME) 179*16kB (UME) 67*32kB (UM) 0*64kB 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17536kB [ 1646.017749][T27196] 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 [ 1646.042497][T27196] Node 1 Normal: 15*4kB (ME) 16*8kB (UME) 11*16kB (UME) 8*32kB (UME) 5*64kB (ME) 6*128kB (UME) 2*256kB (ME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26796kB [ 1646.078481][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1646.088623][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1646.098997][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1646.108597][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1646.117944][T27196] 4802 total pagecache pages [ 1646.122615][T27196] 0 pages in swap cache [ 1646.126794][T27196] Swap cache stats: add 0, delete 0, find 0/0 [ 1646.149846][T27196] Free swap = 0kB [ 1646.154563][T27196] Total swap = 0kB [ 1646.158454][T27196] 1965979 pages RAM [ 1646.162261][T27196] 0 pages HighMem/MovableOnly [ 1646.167174][T27196] 349901 pages reserved [ 1646.171348][T27196] 0 pages cma reserved [ 1646.175511][T27196] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=22048,uid=0 [ 1646.190024][T27196] Out of memory: Killed process 22048 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1646.218092][ T1151] oom_reaper: reaped process 22048 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1646.367849][T27197] syz-executor.2 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 1646.379690][T27197] CPU: 0 PID: 27197 Comm: syz-executor.2 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1646.389585][T27197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1646.399645][T27197] Call Trace: [ 1646.402953][T27197] dump_stack+0x18f/0x20d [ 1646.407278][T27197] dump_header+0x106/0x60f [ 1646.411677][T27197] oom_kill_process.cold+0x10/0x15 [ 1646.416771][T27197] out_of_memory+0x326/0x1340 [ 1646.421431][T27197] ? oom_killer_disable+0x270/0x270 [ 1646.426749][T27197] ? mutex_trylock+0x246/0x2c0 [ 1646.431510][T27197] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1646.438188][T27197] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1646.444772][T27197] ? warn_alloc+0x120/0x120 [ 1646.449270][T27197] ? fs_reclaim_release+0x94/0xf0 [ 1646.454280][T27197] ? lock_is_held_type+0xb0/0xe0 [ 1646.459197][T27197] ? find_get_entry+0x3b2/0x8a0 [ 1646.464056][T27197] __alloc_pages_nodemask+0x5a3/0x700 [ 1646.469430][T27197] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1646.476201][T27197] ? page_cache_readahead_unbounded+0x572/0x850 [ 1646.482425][T27197] ? __lock_page_or_retry+0x650/0x650 [ 1646.487781][T27197] alloc_pages_current+0x187/0x280 [ 1646.492881][T27197] __page_cache_alloc+0x31e/0x450 [ 1646.497887][T27197] pagecache_get_page+0x2a6/0xf70 [ 1646.502899][T27197] ? __do_page_cache_readahead+0xc2/0xf0 [ 1646.508520][T27197] filemap_fault+0x1a94/0x2ab0 [ 1646.513271][T27197] ext4_filemap_fault+0x87/0xb6 [ 1646.518105][T27197] __do_fault+0x10d/0x4d0 [ 1646.522417][T27197] handle_mm_fault+0x37a3/0x43f0 [ 1646.527340][T27197] ? apply_to_existing_page_range+0x40/0x40 [ 1646.533239][T27197] do_user_addr_fault+0x5a2/0xd00 [ 1646.538245][T27197] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1646.543777][T27197] exc_page_fault+0xab/0x170 [ 1646.548364][T27197] ? asm_exc_page_fault+0x8/0x30 [ 1646.553320][T27197] asm_exc_page_fault+0x1e/0x30 [ 1646.558150][T27197] RIP: 0033:0x43b560 [ 1646.562019][T27197] Code: Bad RIP value. [ 1646.566060][T27197] RSP: 002b:00007ffcc0f82178 EFLAGS: 00010246 [ 1646.572898][T27197] RAX: 00000000004fb4e0 RBX: 0000000000000000 RCX: 0000000000021e40 [ 1646.580865][T27197] RDX: 0000000000000007 RSI: 00000000004c2527 RDI: 00000000004cb72f [ 1646.588820][T27197] RBP: 0000000000790000 R08: 0000000000000000 R09: 0000000000000004 [ 1646.596794][T27197] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000790008 [ 1646.604761][T27197] R13: 00007ffcc0f82370 R14: 0000000000000879 R15: 00007ffcc0f82380 [ 1646.620727][T27197] Mem-Info: [ 1646.624623][T27197] active_anon:255028 inactive_anon:4132 isolated_anon:0 [ 1646.624623][T27197] active_file:145 inactive_file:293 isolated_file:0 [ 1646.624623][T27197] unevictable:0 dirty:423 writeback:4 [ 1646.624623][T27197] slab_reclaimable:14847 slab_unreclaimable:104459 [ 1646.624623][T27197] mapped:53381 shmem:4360 pagetables:12111 bounce:0 [ 1646.624623][T27197] free:13602 free_pcp:62 free_cma:0 [ 1646.662259][T27197] Node 0 active_anon:1019956kB inactive_anon:16524kB active_file:880kB inactive_file:828kB unevictable:0kB isolated(anon):0kB isolated(file):76kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 862208kB writeback_tmp:0kB kernel_stack:22048kB all_unreclaimable? no [ 1646.692194][T27197] Node 1 active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1646.719296][T27197] Node 0 DMA free:10164kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1646.768886][T27197] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1646.775034][T27197] Node 0 DMA32 free:17248kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1015860kB inactive_anon:16524kB active_file:1376kB inactive_file:892kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:48356kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1646.805586][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1646.810281][T27197] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1646.837298][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1646.842033][T27197] Node 1 Normal free:26740kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:8kB unevictable:0kB writepending:8kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 1646.888582][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1646.893624][T27197] Node 0 DMA: 1*4kB (U) 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10164kB [ 1646.908510][T27197] Node 0 DMA32: 1928*4kB (UME) 534*8kB (ME) 179*16kB (UME) 67*32kB (UM) 0*64kB 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17376kB [ 1646.930045][T27197] 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 [ 1646.941510][T27197] Node 1 Normal: 15*4kB (ME) 15*8kB (ME) 11*16kB (UME) 8*32kB (UME) 5*64kB (ME) 6*128kB (UME) 2*256kB (ME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26788kB [ 1646.958547][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1646.969242][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1646.979294][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1646.989162][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1646.998535][T27197] 4805 total pagecache pages [ 1647.005560][T27197] 0 pages in swap cache [ 1647.009717][T27197] Swap cache stats: add 0, delete 0, find 0/0 [ 1647.015821][T27197] Free swap = 0kB [ 1647.019542][T27197] Total swap = 0kB [ 1647.023320][T27197] 1965979 pages RAM [ 1647.027115][T27197] 0 pages HighMem/MovableOnly [ 1647.031778][T27197] 349901 pages reserved [ 1647.035986][T27197] 0 pages cma reserved [ 1647.040068][T27197] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=19125,uid=0 [ 1647.061860][T27197] Out of memory: Killed process 19125 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1647.080192][ T1151] oom_reaper: reaped process 19125 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1647.115958][T27197] syz-executor.2 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 1647.152397][T27197] CPU: 0 PID: 27197 Comm: syz-executor.2 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1647.162312][T27197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1647.172382][T27197] Call Trace: [ 1647.175680][T27197] dump_stack+0x18f/0x20d [ 1647.179993][T27197] dump_header+0x106/0x60f [ 1647.184404][T27197] oom_kill_process.cold+0x10/0x15 [ 1647.189501][T27197] out_of_memory+0x326/0x1340 [ 1647.194172][T27197] ? oom_killer_disable+0x270/0x270 [ 1647.199348][T27197] ? mutex_trylock+0x246/0x2c0 [ 1647.204104][T27197] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1647.210864][T27197] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1647.217460][T27197] ? warn_alloc+0x120/0x120 [ 1647.221960][T27197] ? fs_reclaim_release+0x94/0xf0 [ 1647.226967][T27197] ? lock_is_held_type+0xb0/0xe0 [ 1647.231881][T27197] ? find_get_entry+0x3b2/0x8a0 [ 1647.236717][T27197] __alloc_pages_nodemask+0x5a3/0x700 [ 1647.242084][T27197] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1647.248843][T27197] ? page_cache_readahead_unbounded+0x572/0x850 [ 1647.255077][T27197] ? __lock_page_or_retry+0x650/0x650 [ 1647.260443][T27197] alloc_pages_current+0x187/0x280 [ 1647.265550][T27197] __page_cache_alloc+0x31e/0x450 [ 1647.270565][T27197] pagecache_get_page+0x2a6/0xf70 [ 1647.276542][T27197] ? __do_page_cache_readahead+0xc2/0xf0 [ 1647.282155][T27197] filemap_fault+0x1a94/0x2ab0 [ 1647.286917][T27197] ext4_filemap_fault+0x87/0xb6 [ 1647.291762][T27197] __do_fault+0x10d/0x4d0 [ 1647.296089][T27197] handle_mm_fault+0x37a3/0x43f0 [ 1647.301022][T27197] ? apply_to_existing_page_range+0x40/0x40 [ 1647.306918][T27197] do_user_addr_fault+0x5a2/0xd00 [ 1647.311924][T27197] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1647.317450][T27197] exc_page_fault+0xab/0x170 [ 1647.322021][T27197] ? asm_exc_page_fault+0x8/0x30 [ 1647.326936][T27197] asm_exc_page_fault+0x1e/0x30 [ 1647.331765][T27197] RIP: 0033:0x43b560 [ 1647.335679][T27197] Code: Bad RIP value. [ 1647.339723][T27197] RSP: 002b:00007ffcc0f82178 EFLAGS: 00010246 [ 1647.345765][T27197] RAX: 00000000004fb4e0 RBX: 0000000000000000 RCX: 0000000000021e40 [ 1647.353714][T27197] RDX: 0000000000000007 RSI: 00000000004c2527 RDI: 00000000004cb72f [ 1647.361683][T27197] RBP: 0000000000790000 R08: 0000000000000000 R09: 0000000000000004 [ 1647.369649][T27197] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000790008 [ 1647.377605][T27197] R13: 00007ffcc0f82370 R14: 0000000000000879 R15: 00007ffcc0f82380 [ 1647.453330][T27197] Mem-Info: [ 1647.456933][T27197] active_anon:254491 inactive_anon:4132 isolated_anon:0 [ 1647.456933][T27197] active_file:239 inactive_file:200 isolated_file:28 [ 1647.456933][T27197] unevictable:0 dirty:423 writeback:0 [ 1647.456933][T27197] slab_reclaimable:14838 slab_unreclaimable:104481 [ 1647.456933][T27197] mapped:53381 shmem:4360 pagetables:12111 bounce:0 [ 1647.456933][T27197] free:13729 free_pcp:60 free_cma:0 [ 1647.495176][T27197] Node 0 active_anon:1017808kB inactive_anon:16524kB active_file:964kB inactive_file:904kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 862208kB writeback_tmp:0kB kernel_stack:22016kB all_unreclaimable? yes [ 1647.542192][T27197] Node 1 active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1647.588661][T27197] Node 0 DMA free:10164kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1647.620812][T27197] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1647.627353][T27197] Node 0 DMA32 free:19456kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1013692kB inactive_anon:16524kB active_file:812kB inactive_file:828kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:48248kB bounce:0kB free_pcp:592kB local_pcp:276kB free_cma:0kB [ 1647.667180][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1647.672116][T27197] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1647.699429][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1647.705316][T27197] Node 1 Normal free:26804kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:8kB unevictable:0kB writepending:8kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 1647.734552][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1647.739747][T27197] Node 0 DMA: 1*4kB (U) 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10164kB [ 1647.754668][T27197] Node 0 DMA32: 1951*4kB (UME) 537*8kB (UME) 179*16kB (UME) 67*32kB (UM) 1*64kB (U) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17940kB [ 1647.771014][T27197] 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 [ 1647.789440][T27197] Node 1 Normal: 14*4kB (ME) 15*8kB (ME) 11*16kB (UME) 8*32kB (UME) 6*64kB (UME) 6*128kB (UME) 2*256kB (ME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26848kB [ 1647.807017][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1647.816813][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1647.836031][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1647.846724][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1647.856092][T27197] 4828 total pagecache pages [ 1647.860747][T27197] 0 pages in swap cache [ 1647.865067][T27197] Swap cache stats: add 0, delete 0, find 0/0 [ 1647.871183][T27197] Free swap = 0kB [ 1647.875735][T27197] Total swap = 0kB [ 1647.879589][T27197] 1965979 pages RAM [ 1647.883469][T27197] 0 pages HighMem/MovableOnly [ 1647.888148][T27197] 349901 pages reserved [ 1647.892357][T27197] 0 pages cma reserved [ 1647.896519][T27197] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18937,uid=0 [ 1647.917588][T27197] Out of memory: Killed process 18937 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1647.998891][ T3873] systemd-journal invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1648.013722][ T3873] CPU: 1 PID: 3873 Comm: systemd-journal Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1648.023649][ T3873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1648.033710][ T3873] Call Trace: [ 1648.037024][ T3873] dump_stack+0x18f/0x20d [ 1648.041361][ T3873] dump_header+0x106/0x60f [ 1648.045784][ T3873] oom_kill_process.cold+0x10/0x15 [ 1648.050925][ T3873] out_of_memory+0x326/0x1340 [ 1648.055610][ T3873] ? oom_killer_disable+0x270/0x270 [ 1648.060814][ T3873] ? mutex_trylock+0x246/0x2c0 [ 1648.065583][ T3873] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1648.072273][ T3873] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1648.078888][ T3873] ? warn_alloc+0x120/0x120 [ 1648.083391][ T3873] ? fs_reclaim_release+0x94/0xf0 [ 1648.088425][ T3873] ? lock_is_held_type+0xb0/0xe0 [ 1648.093361][ T3873] ? find_get_entry+0x3b2/0x8a0 [ 1648.098221][ T3873] __alloc_pages_nodemask+0x5a3/0x700 [ 1648.103608][ T3873] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1648.110388][ T3873] ? page_cache_readahead_unbounded+0x572/0x850 [ 1648.116647][ T3873] ? __lock_page_or_retry+0x650/0x650 [ 1648.122035][ T3873] alloc_pages_current+0x187/0x280 [ 1648.127160][ T3873] __page_cache_alloc+0x31e/0x450 [ 1648.132186][ T3873] pagecache_get_page+0x2a6/0xf70 [ 1648.137199][ T3873] ? __do_page_cache_readahead+0xc2/0xf0 [ 1648.142833][ T3873] filemap_fault+0x1a94/0x2ab0 [ 1648.147610][ T3873] ext4_filemap_fault+0x87/0xb6 [ 1648.152497][ T3873] __do_fault+0x10d/0x4d0 [ 1648.156857][ T3873] handle_mm_fault+0x37a3/0x43f0 [ 1648.161802][ T3873] ? apply_to_existing_page_range+0x40/0x40 [ 1648.167732][ T3873] do_user_addr_fault+0x5a2/0xd00 [ 1648.172800][ T3873] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1648.178331][ T3873] exc_page_fault+0xab/0x170 [ 1648.182987][ T3873] ? asm_exc_page_fault+0x8/0x30 [ 1648.187934][ T3873] asm_exc_page_fault+0x1e/0x30 [ 1648.192788][ T3873] RIP: 0033:0x7fb1de32f2e3 [ 1648.197199][ T3873] Code: Bad RIP value. [ 1648.201259][ T3873] RSP: 002b:00007ffe3d83c058 EFLAGS: 00010246 [ 1648.207312][ T3873] RAX: 0000000000000001 RBX: 000055ce75f621e0 RCX: 00007fb1de32f2e3 [ 1648.215282][ T3873] RDX: 0000000000000013 RSI: 00007ffe3d83c060 RDI: 0000000000000008 [ 1648.223241][ T3873] RBP: 00007ffe3d83c250 R08: 0000000000000000 R09: 00007ffe3d91e080 [ 1648.231220][ T3873] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3d83c060 [ 1648.239830][ T3873] R13: 0000000000000001 R14: ffffffffffffffff R15: 0005a9e6550b3dc4 [ 1648.354251][ T3873] Mem-Info: [ 1648.357636][ T3873] active_anon:253952 inactive_anon:4132 isolated_anon:0 [ 1648.357636][ T3873] active_file:239 inactive_file:180 isolated_file:32 [ 1648.357636][ T3873] unevictable:0 dirty:423 writeback:0 [ 1648.357636][ T3873] slab_reclaimable:14838 slab_unreclaimable:104191 [ 1648.357636][ T3873] mapped:53381 shmem:4360 pagetables:12084 bounce:0 [ 1648.357636][ T3873] free:13637 free_pcp:109 free_cma:0 [ 1648.448335][ T3873] Node 0 active_anon:1015652kB inactive_anon:16524kB active_file:564kB inactive_file:1188kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 860160kB writeback_tmp:0kB kernel_stack:21984kB all_unreclaimable? no [ 1648.529051][ T3873] Node 1 active_anon:156kB inactive_anon:4kB active_file:12kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1648.591223][ T3873] Node 0 DMA free:10164kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1648.688631][ T3873] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1648.695245][ T3873] Node 0 DMA32 free:17828kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1011536kB inactive_anon:16524kB active_file:884kB inactive_file:788kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:48140kB bounce:0kB free_pcp:240kB local_pcp:240kB free_cma:0kB [ 1648.726014][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1648.730712][ T3873] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1648.760648][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1648.765591][ T3873] Node 1 Normal free:26944kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:12kB unevictable:0kB writepending:8kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1648.804202][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1648.808918][ T3873] Node 0 DMA: 1*4kB (U) 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10164kB [ 1648.841100][ T3873] Node 0 DMA32: 1961*4kB (UME) 541*8kB (ME) 179*16kB (ME) 67*32kB (UM) 1*64kB (U) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17500kB [ 1648.856396][ T3873] 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 [ 1648.867898][ T3873] Node 1 Normal: 14*4kB (ME) 15*8kB (ME) 11*16kB (UME) 7*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26944kB [ 1648.885994][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1648.895635][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1648.905001][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1648.915390][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1648.924744][ T3873] 4815 total pagecache pages [ 1648.929344][ T3873] 0 pages in swap cache [ 1648.934444][ T3873] Swap cache stats: add 0, delete 0, find 0/0 [ 1648.940510][ T3873] Free swap = 0kB [ 1648.952128][ T3873] Total swap = 0kB [ 1648.955920][ T3873] 1965979 pages RAM [ 1648.959721][ T3873] 0 pages HighMem/MovableOnly [ 1648.977689][ T3873] 349901 pages reserved [ 1648.981862][ T3873] 0 pages cma reserved [ 1648.986004][ T3873] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18930,uid=0 [ 1649.004585][ T3873] Out of memory: Killed process 18930 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1649.229437][ T6968] syz-executor.1 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1649.254209][ T6968] CPU: 0 PID: 6968 Comm: syz-executor.1 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1649.264630][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1649.274672][ T6968] Call Trace: [ 1649.278125][ T6968] dump_stack+0x18f/0x20d [ 1649.282433][ T6968] dump_header+0x106/0x60f [ 1649.286841][ T6968] oom_kill_process.cold+0x10/0x15 [ 1649.291936][ T6968] out_of_memory+0x326/0x1340 [ 1649.296602][ T6968] ? oom_killer_disable+0x270/0x270 [ 1649.301794][ T6968] ? mutex_trylock+0x246/0x2c0 [ 1649.306540][ T6968] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1649.313197][ T6968] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1649.319785][ T6968] ? warn_alloc+0x120/0x120 [ 1649.324269][ T6968] ? fs_reclaim_release+0x94/0xf0 [ 1649.329273][ T6968] ? lock_is_held_type+0xb0/0xe0 [ 1649.334189][ T6968] ? find_get_entry+0x3b2/0x8a0 [ 1649.339023][ T6968] __alloc_pages_nodemask+0x5a3/0x700 [ 1649.344378][ T6968] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1649.351119][ T6968] ? page_cache_readahead_unbounded+0x572/0x850 [ 1649.357349][ T6968] ? __lock_page_or_retry+0x650/0x650 [ 1649.362699][ T6968] alloc_pages_current+0x187/0x280 [ 1649.367792][ T6968] __page_cache_alloc+0x31e/0x450 [ 1649.372811][ T6968] pagecache_get_page+0x2a6/0xf70 [ 1649.377817][ T6968] ? __do_page_cache_readahead+0xc2/0xf0 [ 1649.383435][ T6968] filemap_fault+0x1a94/0x2ab0 [ 1649.388183][ T6968] ext4_filemap_fault+0x87/0xb6 [ 1649.393016][ T6968] __do_fault+0x10d/0x4d0 [ 1649.397331][ T6968] handle_mm_fault+0x37a3/0x43f0 [ 1649.402249][ T6968] ? apply_to_existing_page_range+0x40/0x40 [ 1649.408127][ T6968] ? vmacache_update+0xce/0x140 [ 1649.412958][ T6968] do_user_addr_fault+0x5a2/0xd00 [ 1649.417965][ T6968] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1649.423491][ T6968] exc_page_fault+0xab/0x170 [ 1649.428065][ T6968] ? asm_exc_page_fault+0x8/0x30 [ 1649.432998][ T6968] asm_exc_page_fault+0x1e/0x30 [ 1649.437839][ T6968] RIP: 0033:0x4169ca [ 1649.441702][ T6968] Code: Bad RIP value. [ 1649.445742][ T6968] RSP: 002b:00007ffea7909038 EFLAGS: 00010246 [ 1649.451779][ T6968] RAX: 0000000000000505 RBX: 0000000000fed940 RCX: 00000000004169ca [ 1649.459727][ T6968] RDX: 0000000040000000 RSI: 00007ffea7909070 RDI: ffffffffffffffff [ 1649.467680][ T6968] RBP: 00000000000007b9 R08: 0000000000000001 R09: 0000000000000001 [ 1649.475632][ T6968] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1649.483582][ T6968] R13: 00007ffea7909070 R14: 0000000000fed99b R15: 00007ffea7909080 [ 1649.504322][ T6968] Mem-Info: [ 1649.507482][ T6968] active_anon:253410 inactive_anon:4132 isolated_anon:0 [ 1649.507482][ T6968] active_file:26 inactive_file:403 isolated_file:32 [ 1649.507482][ T6968] unevictable:0 dirty:423 writeback:0 [ 1649.507482][ T6968] slab_reclaimable:14833 slab_unreclaimable:104226 [ 1649.507482][ T6968] mapped:53381 shmem:4360 pagetables:12057 bounce:0 [ 1649.507482][ T6968] free:13661 free_pcp:118 free_cma:0 [ 1649.585050][ T6968] Node 0 active_anon:1013464kB inactive_anon:16524kB active_file:900kB inactive_file:876kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 856064kB writeback_tmp:0kB kernel_stack:21952kB all_unreclaimable? no [ 1649.616279][ T6968] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1649.643392][ T6968] Node 0 DMA free:10164kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1649.690566][ T6968] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1649.698171][ T6968] Node 0 DMA32 free:17612kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1009368kB inactive_anon:16524kB active_file:1124kB inactive_file:268kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:48032kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1649.771288][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1649.776071][ T6968] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1649.809509][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1649.814290][ T6968] Node 1 Normal free:26956kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1649.851110][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1649.855882][ T6968] Node 0 DMA: 1*4kB (U) 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10164kB [ 1649.902766][ T6968] Node 0 DMA32: 1989*4kB (ME) 542*8kB (ME) 179*16kB (ME) 66*32kB (M) 1*64kB (U) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17588kB [ 1649.942671][ T6968] 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 [ 1649.964372][ T6968] Node 1 Normal: 13*4kB (ME) 13*8kB (ME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26956kB [ 1650.000529][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1650.017718][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1650.028658][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1650.038272][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1650.047634][ T6968] 4803 total pagecache pages [ 1650.052227][ T6968] 0 pages in swap cache [ 1650.056438][ T6968] Swap cache stats: add 0, delete 0, find 0/0 [ 1650.062499][ T6968] Free swap = 0kB [ 1650.069060][ T6968] Total swap = 0kB [ 1650.072835][ T6968] 1965979 pages RAM [ 1650.076639][ T6968] 0 pages HighMem/MovableOnly [ 1650.081307][ T6968] 349901 pages reserved [ 1650.093171][ T6968] 0 pages cma reserved [ 1650.103265][ T6968] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18915,uid=0 [ 1650.132845][ T6968] Out of memory: Killed process 18915 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1650.271785][ T3879] systemd-udevd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=-1000 [ 1650.291301][ T3879] CPU: 1 PID: 3879 Comm: systemd-udevd Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1650.301031][ T3879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1650.311076][ T3879] Call Trace: [ 1650.314380][ T3879] dump_stack+0x18f/0x20d [ 1650.318723][ T3879] dump_header+0x106/0x60f [ 1650.323151][ T3879] oom_kill_process.cold+0x10/0x15 [ 1650.328270][ T3879] out_of_memory+0x326/0x1340 [ 1650.332985][ T3879] ? oom_killer_disable+0x270/0x270 [ 1650.338192][ T3879] ? mutex_trylock+0x246/0x2c0 [ 1650.342959][ T3879] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1650.349667][ T3879] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1650.356280][ T3879] ? warn_alloc+0x120/0x120 [ 1650.360817][ T3879] ? fs_reclaim_release+0x94/0xf0 [ 1650.366224][ T3879] ? lock_is_held_type+0xb0/0xe0 [ 1650.371163][ T3879] ? find_get_entry+0x3b2/0x8a0 [ 1650.376029][ T3879] __alloc_pages_nodemask+0x5a3/0x700 [ 1650.381410][ T3879] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1650.388180][ T3879] ? page_cache_readahead_unbounded+0x572/0x850 [ 1650.394428][ T3879] ? __lock_page_or_retry+0x650/0x650 [ 1650.399815][ T3879] alloc_pages_current+0x187/0x280 [ 1650.404936][ T3879] __page_cache_alloc+0x31e/0x450 [ 1650.409967][ T3879] pagecache_get_page+0x2a6/0xf70 [ 1650.414999][ T3879] ? __do_page_cache_readahead+0xc2/0xf0 [ 1650.420637][ T3879] filemap_fault+0x1a94/0x2ab0 [ 1650.425412][ T3879] ext4_filemap_fault+0x87/0xb6 [ 1650.430268][ T3879] __do_fault+0x10d/0x4d0 [ 1650.434608][ T3879] handle_mm_fault+0x37a3/0x43f0 [ 1650.439560][ T3879] ? apply_to_existing_page_range+0x40/0x40 [ 1650.445476][ T3879] do_user_addr_fault+0x5a2/0xd00 [ 1650.450537][ T3879] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1650.456086][ T3879] exc_page_fault+0xab/0x170 [ 1650.460680][ T3879] ? asm_exc_page_fault+0x8/0x30 [ 1650.465622][ T3879] asm_exc_page_fault+0x1e/0x30 [ 1650.470474][ T3879] RIP: 0033:0x7fcd42813e50 [ 1650.474880][ T3879] Code: Bad RIP value. [ 1650.478941][ T3879] RSP: 002b:00007ffc09e03948 EFLAGS: 00010246 [ 1650.485010][ T3879] RAX: 0000000000000000 RBX: 000055bbe30b8140 RCX: 000055bbe30b8101 [ 1650.492981][ T3879] RDX: 00007ffc09e03801 RSI: 000055bbe298d67b RDI: 000055bbe30b8140 [ 1650.500983][ T3879] RBP: 000055bbe2990266 R08: 00007fcd42a881f8 R09: 0000000000001010 [ 1650.508960][ T3879] R10: 00007fcd42a87b58 R11: 0000000000000246 R12: 000055bbe298d856 [ 1650.516935][ T3879] R13: 000055bbe298d67b R14: 00000000ffffffea R15: 000055bbe30b5d30 [ 1650.562907][ T3879] Mem-Info: [ 1650.566089][ T3879] active_anon:252866 inactive_anon:4132 isolated_anon:0 [ 1650.566089][ T3879] active_file:246 inactive_file:155 isolated_file:32 [ 1650.566089][ T3879] unevictable:0 dirty:421 writeback:0 [ 1650.566089][ T3879] slab_reclaimable:14828 slab_unreclaimable:104411 [ 1650.566089][ T3879] mapped:53381 shmem:4360 pagetables:12003 bounce:0 [ 1650.566089][ T3879] free:13637 free_pcp:112 free_cma:0 [ 1650.605377][ T3879] Node 0 active_anon:1011308kB inactive_anon:16524kB active_file:876kB inactive_file:840kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 854016kB writeback_tmp:0kB kernel_stack:21952kB all_unreclaimable? yes [ 1650.635296][ T3879] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1650.671213][ T3879] Node 0 DMA free:10164kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1650.707043][ T3879] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1650.712979][ T3879] Node 0 DMA32 free:17528kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1007212kB inactive_anon:16524kB active_file:864kB inactive_file:700kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:47924kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1650.743521][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1650.748221][ T3879] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1650.775711][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1650.780414][ T3879] Node 1 Normal free:26956kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1650.819330][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1650.829112][ T3879] Node 0 DMA: 1*4kB (U) 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10164kB [ 1650.844844][ T3879] Node 0 DMA32: 1948*4kB (UME) 547*8kB (UME) 181*16kB (UME) 68*32kB (UM) 3*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17560kB [ 1650.860002][ T3879] 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 [ 1650.871565][ T3879] Node 1 Normal: 13*4kB (ME) 13*8kB (ME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26956kB [ 1650.889441][ T3879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1650.899115][ T3879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1650.908551][ T3879] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1650.918991][ T3879] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1650.929099][ T3879] 4805 total pagecache pages [ 1650.939043][ T3879] 0 pages in swap cache [ 1650.944497][ T3879] Swap cache stats: add 0, delete 0, find 0/0 [ 1650.950671][ T3879] Free swap = 0kB [ 1650.954562][ T3879] Total swap = 0kB [ 1650.958281][ T3879] 1965979 pages RAM [ 1650.962149][ T3879] 0 pages HighMem/MovableOnly [ 1650.967372][ T3879] 349901 pages reserved [ 1650.971531][ T3879] 0 pages cma reserved [ 1650.975841][ T3879] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18867,uid=0 [ 1650.990237][ T3879] Out of memory: Killed process 18867 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1651.159643][ T7334] syz-executor.5 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1651.186821][ T7334] CPU: 1 PID: 7334 Comm: syz-executor.5 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1651.196732][ T7334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1651.207471][ T7334] Call Trace: [ 1651.210763][ T7334] dump_stack+0x18f/0x20d [ 1651.215095][ T7334] dump_header+0x106/0x60f [ 1651.219516][ T7334] oom_kill_process.cold+0x10/0x15 [ 1651.224633][ T7334] out_of_memory+0x326/0x1340 [ 1651.229353][ T7334] ? oom_killer_disable+0x270/0x270 [ 1651.234563][ T7334] ? mutex_trylock+0x246/0x2c0 [ 1651.239345][ T7334] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1651.246060][ T7334] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1651.252676][ T7334] ? warn_alloc+0x120/0x120 [ 1651.257197][ T7334] ? fs_reclaim_release+0x94/0xf0 [ 1651.262246][ T7334] ? lock_is_held_type+0xb0/0xe0 [ 1651.267191][ T7334] ? find_get_entry+0x3b2/0x8a0 [ 1651.272059][ T7334] __alloc_pages_nodemask+0x5a3/0x700 [ 1651.277462][ T7334] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1651.284243][ T7334] ? page_cache_readahead_unbounded+0x572/0x850 [ 1651.290537][ T7334] ? __lock_page_or_retry+0x650/0x650 [ 1651.295916][ T7334] alloc_pages_current+0x187/0x280 [ 1651.301048][ T7334] __page_cache_alloc+0x31e/0x450 [ 1651.306084][ T7334] pagecache_get_page+0x2a6/0xf70 [ 1651.311122][ T7334] ? __do_page_cache_readahead+0xc2/0xf0 [ 1651.316768][ T7334] filemap_fault+0x1a94/0x2ab0 [ 1651.321566][ T7334] ext4_filemap_fault+0x87/0xb6 [ 1651.326441][ T7334] __do_fault+0x10d/0x4d0 [ 1651.330768][ T7334] handle_mm_fault+0x37a3/0x43f0 [ 1651.335737][ T7334] ? apply_to_existing_page_range+0x40/0x40 [ 1651.341621][ T7334] ? vmacache_update+0xce/0x140 [ 1651.346909][ T7334] do_user_addr_fault+0x5a2/0xd00 [ 1651.351948][ T7334] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1651.357502][ T7334] exc_page_fault+0xab/0x170 [ 1651.362104][ T7334] ? asm_exc_page_fault+0x8/0x30 [ 1651.367048][ T7334] asm_exc_page_fault+0x1e/0x30 [ 1651.371901][ T7334] RIP: 0033:0x45b030 [ 1651.375809][ T7334] Code: Bad RIP value. [ 1651.379879][ T7334] RSP: 002b:00007ffc5c825c88 EFLAGS: 00010246 [ 1651.385966][ T7334] RAX: 0000000000000000 RBX: 000000000018f16a RCX: 000000000045b030 [ 1651.393938][ T7334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc5c825c90 [ 1651.401937][ T7334] RBP: 00000000000009e5 R08: 0000000000000001 R09: 0000000002034940 [ 1651.409910][ T7334] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1651.417885][ T7334] R13: 00007ffc5c825ce0 R14: 000000000018f0bc R15: 00007ffc5c825cf0 [ 1651.458946][ T7334] Mem-Info: [ 1651.462145][ T7334] active_anon:252332 inactive_anon:4132 isolated_anon:0 [ 1651.462145][ T7334] active_file:231 inactive_file:227 isolated_file:32 [ 1651.462145][ T7334] unevictable:0 dirty:421 writeback:0 [ 1651.462145][ T7334] slab_reclaimable:14828 slab_unreclaimable:104174 [ 1651.462145][ T7334] mapped:53381 shmem:4360 pagetables:12003 bounce:0 [ 1651.462145][ T7334] free:13678 free_pcp:121 free_cma:0 [ 1651.499300][ T7334] Node 0 active_anon:1009172kB inactive_anon:16524kB active_file:900kB inactive_file:808kB unevictable:0kB isolated(anon):0kB isolated(file):140kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 854016kB writeback_tmp:0kB kernel_stack:21952kB all_unreclaimable? no [ 1651.529673][ T7334] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1651.586508][ T7334] Node 0 DMA free:10164kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1651.614596][ T7334] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1651.620340][ T7334] Node 0 DMA32 free:17584kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1005052kB inactive_anon:16524kB active_file:1024kB inactive_file:980kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:47816kB bounce:0kB free_pcp:468kB local_pcp:240kB free_cma:0kB [ 1651.652249][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1651.657789][ T7334] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1651.689654][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1651.702998][ T7334] Node 1 Normal free:26956kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1651.732148][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1651.736916][ T7334] Node 0 DMA: 1*4kB (U) 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10164kB [ 1651.751821][ T7334] Node 0 DMA32: 1954*4kB (ME) 517*8kB (ME) 163*16kB (UME) 64*32kB (M) 2*64kB (U) 3*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17888kB [ 1651.767525][ T7334] 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 [ 1651.779168][ T7334] Node 1 Normal: 13*4kB (ME) 13*8kB (ME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26956kB [ 1651.800971][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1651.824203][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1651.842051][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1651.851803][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1651.861229][ T7334] 4806 total pagecache pages [ 1651.865934][ T7334] 0 pages in swap cache [ 1651.870089][ T7334] Swap cache stats: add 0, delete 0, find 0/0 [ 1651.876309][ T7334] Free swap = 0kB [ 1651.880027][ T7334] Total swap = 0kB [ 1651.883856][ T7334] 1965979 pages RAM [ 1651.887664][ T7334] 0 pages HighMem/MovableOnly [ 1651.892405][ T7334] 349901 pages reserved [ 1651.896636][ T7334] 0 pages cma reserved [ 1651.900813][ T7334] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18863,uid=0 [ 1651.916053][ T7334] Out of memory: Killed process 18863 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1652.179742][ T6797] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1652.243435][ T6797] CPU: 1 PID: 6797 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1652.252921][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1652.262997][ T6797] Call Trace: [ 1652.266299][ T6797] dump_stack+0x18f/0x20d [ 1652.270626][ T6797] dump_header+0x106/0x60f [ 1652.275047][ T6797] oom_kill_process.cold+0x10/0x15 [ 1652.280186][ T6797] out_of_memory+0x326/0x1340 [ 1652.284951][ T6797] ? oom_killer_disable+0x270/0x270 [ 1652.290197][ T6797] ? mutex_trylock+0x246/0x2c0 [ 1652.294975][ T6797] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1652.301667][ T6797] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1652.308286][ T6797] ? warn_alloc+0x120/0x120 [ 1652.312809][ T6797] ? fs_reclaim_release+0x94/0xf0 [ 1652.318799][ T6797] ? lock_is_held_type+0xb0/0xe0 [ 1652.323748][ T6797] ? find_get_entry+0x3b2/0x8a0 [ 1652.328611][ T6797] __alloc_pages_nodemask+0x5a3/0x700 [ 1652.333997][ T6797] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1652.340768][ T6797] ? page_cache_readahead_unbounded+0x572/0x850 [ 1652.347046][ T6797] ? __lock_page_or_retry+0x650/0x650 [ 1652.352424][ T6797] alloc_pages_current+0x187/0x280 [ 1652.357543][ T6797] __page_cache_alloc+0x31e/0x450 [ 1652.362572][ T6797] pagecache_get_page+0x2a6/0xf70 [ 1652.367605][ T6797] ? __do_page_cache_readahead+0xc2/0xf0 [ 1652.373246][ T6797] filemap_fault+0x1a94/0x2ab0 [ 1652.378024][ T6797] ext4_filemap_fault+0x87/0xb6 [ 1652.382876][ T6797] __do_fault+0x10d/0x4d0 [ 1652.387215][ T6797] handle_mm_fault+0x37a3/0x43f0 [ 1652.392185][ T6797] ? apply_to_existing_page_range+0x40/0x40 [ 1652.398099][ T6797] ? vmacache_update+0xce/0x140 [ 1652.402959][ T6797] do_user_addr_fault+0x5a2/0xd00 [ 1652.408001][ T6797] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1652.413553][ T6797] exc_page_fault+0xab/0x170 [ 1652.418146][ T6797] ? asm_exc_page_fault+0x8/0x30 [ 1652.423088][ T6797] asm_exc_page_fault+0x1e/0x30 [ 1652.427949][ T6797] RIP: 0033:0x437d60 [ 1652.431832][ T6797] Code: Bad RIP value. [ 1652.435901][ T6797] RSP: 002b:000000c000040728 EFLAGS: 00010206 [ 1652.441967][ T6797] RAX: 0000000000000000 RBX: 000000c000042380 RCX: 0000017cc53fb603 [ 1652.449943][ T6797] RDX: 0000000017a93a1a RSI: 0000000000000663 RDI: 00007ffebc9ed080 [ 1652.457946][ T6797] RBP: 000000c000040750 R08: 0000000000000000 R09: 00007ffebc9ed090 [ 1652.465927][ T6797] R10: 000000000004eea4 R11: 0000000000000202 R12: 00000189b172fbd3 [ 1652.473926][ T6797] R13: 0000000000000001 R14: 00000189b172fbd3 R15: 0000000000000000 [ 1652.523146][ T6797] Mem-Info: [ 1652.526316][ T6797] active_anon:251786 inactive_anon:4132 isolated_anon:0 [ 1652.526316][ T6797] active_file:246 inactive_file:182 isolated_file:32 [ 1652.526316][ T6797] unevictable:0 dirty:421 writeback:0 [ 1652.526316][ T6797] slab_reclaimable:14827 slab_unreclaimable:104115 [ 1652.526316][ T6797] mapped:53381 shmem:4360 pagetables:11949 bounce:0 [ 1652.526316][ T6797] free:13705 free_pcp:112 free_cma:0 [ 1652.563736][ T6797] Node 0 active_anon:1006988kB inactive_anon:16524kB active_file:1016kB inactive_file:772kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 849920kB writeback_tmp:0kB kernel_stack:21952kB all_unreclaimable? no [ 1652.602702][ T6797] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1652.663354][ T6797] Node 0 DMA free:10164kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1652.713212][ T6797] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1652.718978][ T6797] Node 0 DMA32 free:17656kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1002892kB inactive_anon:16524kB active_file:756kB inactive_file:1088kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:47708kB bounce:0kB free_pcp:468kB local_pcp:240kB free_cma:0kB [ 1652.750288][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1652.760763][ T6797] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1652.796221][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1652.800930][ T6797] Node 1 Normal free:26956kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1652.870979][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1652.876877][ T6797] Node 0 DMA: 1*4kB (U) 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10164kB [ 1652.891725][ T6797] Node 0 DMA32: 1979*4kB (UME) 517*8kB (ME) 164*16kB (UME) 65*32kB (UM) 0*64kB 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17524kB [ 1652.906861][ T6797] 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 [ 1652.924178][ T6797] Node 1 Normal: 13*4kB (ME) 13*8kB (ME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26956kB [ 1652.948623][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1652.959497][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1652.969138][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1653.008994][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1653.034631][ T6797] 4806 total pagecache pages [ 1653.039244][ T6797] 0 pages in swap cache [ 1653.044252][ T6797] Swap cache stats: add 0, delete 0, find 0/0 [ 1653.050319][ T6797] Free swap = 0kB [ 1653.055061][ T6797] Total swap = 0kB [ 1653.060396][ T6797] 1965979 pages RAM [ 1653.072125][ T6797] 0 pages HighMem/MovableOnly [ 1653.084002][ T6797] 349901 pages reserved [ 1653.088396][ T6797] 0 pages cma reserved [ 1653.098650][ T6797] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18857,uid=0 [ 1653.159792][ T6797] Out of memory: Killed process 18857 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1653.186073][ T1151] oom_reaper: reaped process 18857 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1653.234762][ T6814] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1653.256843][ T6814] CPU: 0 PID: 6814 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1653.266662][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1653.276724][ T6814] Call Trace: [ 1653.280035][ T6814] dump_stack+0x18f/0x20d [ 1653.284401][ T6814] dump_header+0x106/0x60f [ 1653.288832][ T6814] oom_kill_process.cold+0x10/0x15 [ 1653.293974][ T6814] out_of_memory+0x326/0x1340 [ 1653.298654][ T6814] ? oom_killer_disable+0x270/0x270 [ 1653.303880][ T6814] ? mutex_trylock+0x246/0x2c0 [ 1653.308629][ T6814] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1653.315317][ T6814] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1653.321905][ T6814] ? warn_alloc+0x120/0x120 [ 1653.326828][ T6814] ? fs_reclaim_release+0x94/0xf0 [ 1653.331855][ T6814] ? lock_is_held_type+0xb0/0xe0 [ 1653.337477][ T6814] ? find_get_entry+0x3b2/0x8a0 [ 1653.342312][ T6814] __alloc_pages_nodemask+0x5a3/0x700 [ 1653.347689][ T6814] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1653.354436][ T6814] ? page_cache_readahead_unbounded+0x572/0x850 [ 1653.360670][ T6814] ? __lock_page_or_retry+0x650/0x650 [ 1653.366068][ T6814] alloc_pages_current+0x187/0x280 [ 1653.371162][ T6814] __page_cache_alloc+0x31e/0x450 [ 1653.376273][ T6814] pagecache_get_page+0x2a6/0xf70 [ 1653.381278][ T6814] ? __do_page_cache_readahead+0xc2/0xf0 [ 1653.386895][ T6814] filemap_fault+0x1a94/0x2ab0 [ 1653.391640][ T6814] ext4_filemap_fault+0x87/0xb6 [ 1653.396477][ T6814] __do_fault+0x10d/0x4d0 [ 1653.400785][ T6814] handle_mm_fault+0x37a3/0x43f0 [ 1653.405741][ T6814] ? apply_to_existing_page_range+0x40/0x40 [ 1653.411615][ T6814] ? vmacache_update+0xce/0x140 [ 1653.416459][ T6814] do_user_addr_fault+0x5a2/0xd00 [ 1653.421478][ T6814] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1653.427021][ T6814] exc_page_fault+0xab/0x170 [ 1653.431601][ T6814] ? asm_exc_page_fault+0x8/0x30 [ 1653.436517][ T6814] asm_exc_page_fault+0x1e/0x30 [ 1653.441344][ T6814] RIP: 0033:0x45b030 [ 1653.445227][ T6814] Code: Bad RIP value. [ 1653.449267][ T6814] RSP: 002b:00007fff99286898 EFLAGS: 00010246 [ 1653.455305][ T6814] RAX: 0000000000000000 RBX: 000000000018f0dc RCX: 000000000045b030 [ 1653.463253][ T6814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff992868a0 [ 1653.471201][ T6814] RBP: 000000000000086a R08: 0000000000000001 R09: 00000000017f2940 [ 1653.479150][ T6814] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1653.487101][ T6814] R13: 00007fff992868f0 R14: 000000000018f0dc R15: 00007fff99286900 [ 1653.569587][ T6814] Mem-Info: [ 1653.573306][ T6814] active_anon:251243 inactive_anon:4132 isolated_anon:0 [ 1653.573306][ T6814] active_file:241 inactive_file:153 isolated_file:32 [ 1653.573306][ T6814] unevictable:0 dirty:421 writeback:0 [ 1653.573306][ T6814] slab_reclaimable:14818 slab_unreclaimable:104264 [ 1653.573306][ T6814] mapped:53381 shmem:4360 pagetables:11922 bounce:0 [ 1653.573306][ T6814] free:13756 free_pcp:64 free_cma:0 [ 1653.619220][ T6814] Node 0 active_anon:1004816kB inactive_anon:16524kB active_file:764kB inactive_file:868kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 847872kB writeback_tmp:0kB kernel_stack:21952kB all_unreclaimable? yes [ 1653.660678][ T6814] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1653.718957][ T6814] Node 0 DMA free:10164kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1653.787226][ T6814] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1653.796882][ T6814] Node 0 DMA32 free:17904kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:1000720kB inactive_anon:16524kB active_file:648kB inactive_file:836kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:47600kB bounce:0kB free_pcp:464kB local_pcp:224kB free_cma:0kB [ 1653.901027][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1653.905953][ T6814] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1653.932832][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1653.937532][ T6814] Node 1 Normal free:26956kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1653.987060][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1654.002115][ T6814] Node 0 DMA: 1*4kB (U) 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10164kB [ 1654.031324][ T6814] Node 0 DMA32: 1997*4kB (ME) 521*8kB (ME) 164*16kB (ME) 65*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17820kB [ 1654.055327][ T6814] 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 [ 1654.071846][ T6814] Node 1 Normal: 13*4kB (ME) 13*8kB (ME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26956kB [ 1654.124743][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1654.140443][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1654.152289][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1654.169999][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1654.179606][ T6814] 4806 total pagecache pages [ 1654.192814][ T6814] 0 pages in swap cache [ 1654.197195][ T6814] Swap cache stats: add 0, delete 0, find 0/0 [ 1654.210561][ T6814] Free swap = 0kB [ 1654.238431][ T6814] Total swap = 0kB [ 1654.242377][ T6814] 1965979 pages RAM [ 1654.251194][ T6814] 0 pages HighMem/MovableOnly [ 1654.261103][ T6814] 349901 pages reserved [ 1654.268213][ T6814] 0 pages cma reserved [ 1654.272513][ T6814] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18810,uid=0 [ 1654.294608][ T6814] Out of memory: Killed process 18810 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1654.546347][ T6495] cron invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1654.571440][ T6495] CPU: 1 PID: 6495 Comm: cron Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1654.580391][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1654.590792][ T6495] Call Trace: [ 1654.594080][ T6495] dump_stack+0x18f/0x20d [ 1654.598417][ T6495] dump_header+0x106/0x60f [ 1654.602838][ T6495] oom_kill_process.cold+0x10/0x15 [ 1654.607953][ T6495] out_of_memory+0x326/0x1340 [ 1654.612655][ T6495] ? oom_killer_disable+0x270/0x270 [ 1654.617860][ T6495] ? mutex_trylock+0x246/0x2c0 [ 1654.622628][ T6495] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1654.629307][ T6495] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1654.635943][ T6495] ? warn_alloc+0x120/0x120 [ 1654.640469][ T6495] ? fs_reclaim_release+0x94/0xf0 [ 1654.645502][ T6495] ? lock_is_held_type+0xb0/0xe0 [ 1654.650430][ T6495] ? find_get_entry+0x3b2/0x8a0 [ 1654.655298][ T6495] __alloc_pages_nodemask+0x5a3/0x700 [ 1654.660685][ T6495] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1654.667443][ T6495] ? page_cache_readahead_unbounded+0x572/0x850 [ 1654.673694][ T6495] ? __lock_page_or_retry+0x650/0x650 [ 1654.679054][ T6495] alloc_pages_current+0x187/0x280 [ 1654.684165][ T6495] __page_cache_alloc+0x31e/0x450 [ 1654.689187][ T6495] pagecache_get_page+0x2a6/0xf70 [ 1654.694217][ T6495] ? __do_page_cache_readahead+0xc2/0xf0 [ 1654.699876][ T6495] filemap_fault+0x1a94/0x2ab0 [ 1654.704667][ T6495] ext4_filemap_fault+0x87/0xb6 [ 1654.709525][ T6495] __do_fault+0x10d/0x4d0 [ 1654.713853][ T6495] handle_mm_fault+0x37a3/0x43f0 [ 1654.718775][ T6495] ? apply_to_existing_page_range+0x40/0x40 [ 1654.724700][ T6495] do_user_addr_fault+0x5a2/0xd00 [ 1654.729733][ T6495] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1654.735288][ T6495] exc_page_fault+0xab/0x170 [ 1654.739916][ T6495] ? asm_exc_page_fault+0x8/0x30 [ 1654.744863][ T6495] asm_exc_page_fault+0x1e/0x30 [ 1654.749714][ T6495] RIP: 0033:0x7fe7c07b7270 [ 1654.754112][ T6495] Code: Bad RIP value. [ 1654.758152][ T6495] RSP: 002b:00007fff5946c008 EFLAGS: 00010246 [ 1654.764200][ T6495] RAX: 0000000000000000 RBX: fffffffffffffeb0 RCX: 00007fe7c07b7270 [ 1654.772174][ T6495] RDX: 00007fff595e2080 RSI: 00007fff5946c010 RDI: 00007fff5946c010 [ 1654.780847][ T6495] RBP: 0000000000000002 R08: 0000000000000008 R09: 0000000000000000 [ 1654.788820][ T6495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1654.796795][ T6495] R13: 00007fff5946c160 R14: 0000000000000000 R15: 0000000000000000 [ 1654.848701][ T6495] Mem-Info: [ 1654.851874][ T6495] active_anon:250704 inactive_anon:4132 isolated_anon:0 [ 1654.851874][ T6495] active_file:124 inactive_file:286 isolated_file:26 [ 1654.851874][ T6495] unevictable:0 dirty:424 writeback:1 [ 1654.851874][ T6495] slab_reclaimable:14817 slab_unreclaimable:104186 [ 1654.851874][ T6495] mapped:53381 shmem:4360 pagetables:11895 bounce:0 [ 1654.851874][ T6495] free:13702 free_pcp:119 free_cma:0 [ 1654.897614][ T6495] Node 0 active_anon:1002660kB inactive_anon:16524kB active_file:992kB inactive_file:744kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1696kB writeback:4kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 845824kB writeback_tmp:0kB kernel_stack:21920kB all_unreclaimable? no [ 1654.929425][ T6495] Node 1 active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1654.968886][ T6495] Node 0 DMA free:10164kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1655.051423][ T6495] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1655.062549][ T6495] Node 0 DMA32 free:17680kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:998564kB inactive_anon:16524kB active_file:664kB inactive_file:684kB unevictable:0kB writepending:1700kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:47492kB bounce:0kB free_pcp:480kB local_pcp:248kB free_cma:0kB [ 1655.116530][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1655.121255][ T6495] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1655.148521][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1655.154083][ T6495] Node 1 Normal free:26960kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1655.189090][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1655.194229][ T6495] Node 0 DMA: 1*4kB (U) 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10164kB [ 1655.209545][ T6495] Node 0 DMA32: 2013*4kB (UME) 523*8kB (UME) 164*16kB (ME) 65*32kB (UM) 0*64kB 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17708kB [ 1655.252048][ T6495] 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 [ 1655.264627][ T6495] Node 1 Normal: 14*4kB (ME) 13*8kB (ME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26960kB [ 1655.285184][ T6495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1655.296065][ T6495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1655.305462][ T6495] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1655.315443][ T6495] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1655.324851][ T6495] 4813 total pagecache pages [ 1655.329442][ T6495] 0 pages in swap cache [ 1655.333721][ T6495] Swap cache stats: add 0, delete 0, find 0/0 [ 1655.339836][ T6495] Free swap = 0kB [ 1655.343656][ T6495] Total swap = 0kB [ 1655.347374][ T6495] 1965979 pages RAM [ 1655.351605][ T6495] 0 pages HighMem/MovableOnly [ 1655.363216][ T6495] 349901 pages reserved [ 1655.367385][ T6495] 0 pages cma reserved [ 1655.377046][ T6495] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18794,uid=0 [ 1655.391614][ T6495] Out of memory: Killed process 18794 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1655.442571][ T6797] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1655.530227][ T6797] CPU: 1 PID: 6797 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1655.539714][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1655.549776][ T6797] Call Trace: [ 1655.553082][ T6797] dump_stack+0x18f/0x20d [ 1655.557421][ T6797] dump_header+0x106/0x60f [ 1655.561843][ T6797] oom_kill_process.cold+0x10/0x15 [ 1655.566960][ T6797] out_of_memory+0x326/0x1340 [ 1655.571646][ T6797] ? oom_killer_disable+0x270/0x270 [ 1655.576873][ T6797] ? mutex_trylock+0x246/0x2c0 [ 1655.581643][ T6797] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1655.588330][ T6797] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1655.594942][ T6797] ? warn_alloc+0x120/0x120 [ 1655.599446][ T6797] ? fs_reclaim_release+0x94/0xf0 [ 1655.604482][ T6797] ? lock_is_held_type+0xb0/0xe0 [ 1655.609420][ T6797] ? find_get_entry+0x3b2/0x8a0 [ 1655.614282][ T6797] __alloc_pages_nodemask+0x5a3/0x700 [ 1655.619668][ T6797] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1655.626442][ T6797] ? page_cache_readahead_unbounded+0x572/0x850 [ 1655.632696][ T6797] ? __lock_page_or_retry+0x650/0x650 [ 1655.638079][ T6797] alloc_pages_current+0x187/0x280 [ 1655.643207][ T6797] __page_cache_alloc+0x31e/0x450 [ 1655.648239][ T6797] pagecache_get_page+0x2a6/0xf70 [ 1655.653296][ T6797] ? __do_page_cache_readahead+0xc2/0xf0 [ 1655.658950][ T6797] filemap_fault+0x1a94/0x2ab0 [ 1655.663736][ T6797] ext4_filemap_fault+0x87/0xb6 [ 1655.668594][ T6797] __do_fault+0x10d/0x4d0 [ 1655.672921][ T6797] handle_mm_fault+0x37a3/0x43f0 [ 1655.677846][ T6797] ? apply_to_existing_page_range+0x40/0x40 [ 1655.683750][ T6797] ? vmacache_update+0xce/0x140 [ 1655.688634][ T6797] do_user_addr_fault+0x5a2/0xd00 [ 1655.693666][ T6797] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1655.699214][ T6797] exc_page_fault+0xab/0x170 [ 1655.703830][ T6797] ? asm_exc_page_fault+0x8/0x30 [ 1655.708766][ T6797] asm_exc_page_fault+0x1e/0x30 [ 1655.713615][ T6797] RIP: 0033:0x437d60 [ 1655.717481][ T6797] Code: Bad RIP value. [ 1655.721522][ T6797] RSP: 002b:000000c000040728 EFLAGS: 00010206 [ 1655.727573][ T6797] RAX: 0000000000000000 RBX: 000000c000042380 RCX: 0000017cc53fb603 [ 1655.735551][ T6797] RDX: 0000000017a93a1a RSI: 0000000000000663 RDI: 00007ffebc9ed080 [ 1655.743788][ T6797] RBP: 000000c000040750 R08: 0000000000000000 R09: 00007ffebc9ed090 [ 1655.751775][ T6797] R10: 000000000004eea4 R11: 0000000000000202 R12: 00000189b172fbd3 [ 1655.759742][ T6797] R13: 0000000000000001 R14: 00000189b172fbd3 R15: 0000000000000000 [ 1655.855463][ T6797] Mem-Info: [ 1655.859405][ T6797] active_anon:250162 inactive_anon:4132 isolated_anon:0 [ 1655.859405][ T6797] active_file:160 inactive_file:274 isolated_file:0 [ 1655.859405][ T6797] unevictable:0 dirty:421 writeback:0 [ 1655.859405][ T6797] slab_reclaimable:14817 slab_unreclaimable:103974 [ 1655.859405][ T6797] mapped:53381 shmem:4360 pagetables:11868 bounce:0 [ 1655.859405][ T6797] free:13669 free_pcp:8 free_cma:0 [ 1655.926753][ T6797] Node 0 active_anon:1000492kB inactive_anon:16524kB active_file:908kB inactive_file:788kB unevictable:0kB isolated(anon):0kB isolated(file):76kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 843776kB writeback_tmp:0kB kernel_stack:21824kB all_unreclaimable? no [ 1655.957602][ T6797] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1655.984688][ T6797] Node 0 DMA free:10172kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1656.012522][ T6797] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1656.019791][ T6797] Node 0 DMA32 free:17844kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:996396kB inactive_anon:16524kB active_file:1016kB inactive_file:584kB unevictable:0kB writepending:1668kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:47384kB bounce:0kB free_pcp:232kB local_pcp:232kB free_cma:0kB [ 1656.074996][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1656.079710][ T6797] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1656.106606][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1656.111313][ T6797] Node 1 Normal free:26960kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1656.141735][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1656.146494][ T6797] Node 0 DMA: 1*4kB (U) 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10172kB [ 1656.161641][ T6797] Node 0 DMA32: 2037*4kB (UME) 525*8kB (UME) 164*16kB (ME) 64*32kB (M) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17468kB [ 1656.177161][ T6797] 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 [ 1656.205609][ T6797] Node 1 Normal: 14*4kB (ME) 13*8kB (ME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26960kB [ 1656.223855][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1656.246124][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1656.261756][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1656.271494][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1656.281067][ T6797] 4812 total pagecache pages [ 1656.285805][ T6797] 0 pages in swap cache [ 1656.289968][ T6797] Swap cache stats: add 0, delete 0, find 0/0 [ 1656.296178][ T6797] Free swap = 0kB [ 1656.299899][ T6797] Total swap = 0kB [ 1656.303731][ T6797] 1965979 pages RAM [ 1656.307542][ T6797] 0 pages HighMem/MovableOnly [ 1656.312299][ T6797] 349901 pages reserved [ 1656.329478][ T6797] 0 pages cma reserved [ 1656.337211][ T6797] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18782,uid=0 [ 1656.351897][ T6797] Out of memory: Killed process 18782 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1656.458675][ T3879] systemd-udevd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=-1000 [ 1656.475825][ T3879] CPU: 0 PID: 3879 Comm: systemd-udevd Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1656.485564][ T3879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1656.495624][ T3879] Call Trace: [ 1656.498937][ T3879] dump_stack+0x18f/0x20d [ 1656.503280][ T3879] dump_header+0x106/0x60f [ 1656.507705][ T3879] oom_kill_process.cold+0x10/0x15 [ 1656.512836][ T3879] out_of_memory+0x326/0x1340 [ 1656.517530][ T3879] ? oom_killer_disable+0x270/0x270 [ 1656.522732][ T3879] ? mutex_trylock+0x246/0x2c0 [ 1656.528485][ T3879] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1656.535348][ T3879] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1656.541986][ T3879] ? warn_alloc+0x120/0x120 [ 1656.546498][ T3879] ? fs_reclaim_release+0x94/0xf0 [ 1656.551554][ T3879] ? lock_is_held_type+0xb0/0xe0 [ 1656.556496][ T3879] ? find_get_entry+0x3b2/0x8a0 [ 1656.562054][ T3879] __alloc_pages_nodemask+0x5a3/0x700 [ 1656.567460][ T3879] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1656.574220][ T3879] ? page_cache_readahead_unbounded+0x572/0x850 [ 1656.580469][ T3879] ? __lock_page_or_retry+0x650/0x650 [ 1656.585851][ T3879] alloc_pages_current+0x187/0x280 [ 1656.590972][ T3879] __page_cache_alloc+0x31e/0x450 [ 1656.595998][ T3879] pagecache_get_page+0x2a6/0xf70 [ 1656.601010][ T3879] ? __do_page_cache_readahead+0xc2/0xf0 [ 1656.606676][ T3879] filemap_fault+0x1a94/0x2ab0 [ 1656.611443][ T3879] ext4_filemap_fault+0x87/0xb6 [ 1656.616291][ T3879] __do_fault+0x10d/0x4d0 [ 1656.620606][ T3879] handle_mm_fault+0x37a3/0x43f0 [ 1656.625528][ T3879] ? apply_to_existing_page_range+0x40/0x40 [ 1656.631422][ T3879] do_user_addr_fault+0x5a2/0xd00 [ 1656.636430][ T3879] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1656.641958][ T3879] exc_page_fault+0xab/0x170 [ 1656.646541][ T3879] ? asm_exc_page_fault+0x8/0x30 [ 1656.651463][ T3879] asm_exc_page_fault+0x1e/0x30 [ 1656.656370][ T3879] RIP: 0033:0x7fcd42813e50 [ 1656.660765][ T3879] Code: Bad RIP value. [ 1656.664824][ T3879] RSP: 002b:00007ffc09e03948 EFLAGS: 00010246 [ 1656.670890][ T3879] RAX: 0000000000000000 RBX: 000055bbe30b8140 RCX: 000055bbe30b8101 [ 1656.678843][ T3879] RDX: 00007ffc09e03801 RSI: 000055bbe298d67b RDI: 000055bbe30b8140 [ 1656.686797][ T3879] RBP: 000055bbe2990266 R08: 00007fcd42a881f8 R09: 0000000000001010 [ 1656.694756][ T3879] R10: 00007fcd42a87b58 R11: 0000000000000246 R12: 000055bbe298d856 [ 1656.702738][ T3879] R13: 000055bbe298d67b R14: 00000000ffffffea R15: 000055bbe30b5d30 [ 1656.778646][ T3879] Mem-Info: [ 1656.781992][ T3879] active_anon:249623 inactive_anon:4132 isolated_anon:0 [ 1656.781992][ T3879] active_file:172 inactive_file:223 isolated_file:32 [ 1656.781992][ T3879] unevictable:0 dirty:421 writeback:0 [ 1656.781992][ T3879] slab_reclaimable:14810 slab_unreclaimable:104140 [ 1656.781992][ T3879] mapped:53381 shmem:4360 pagetables:11841 bounce:0 [ 1656.781992][ T3879] free:13703 free_pcp:0 free_cma:0 [ 1656.828040][ T3879] Node 0 active_anon:998336kB inactive_anon:16524kB active_file:748kB inactive_file:904kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 841728kB writeback_tmp:0kB kernel_stack:21792kB all_unreclaimable? no [ 1656.866027][ T3879] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1656.948903][ T3879] Node 0 DMA free:10172kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1656.988819][ T3879] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1656.995166][ T3879] Node 0 DMA32 free:17680kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:994240kB inactive_anon:16524kB active_file:868kB inactive_file:1168kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:47276kB bounce:0kB free_pcp:452kB local_pcp:216kB free_cma:0kB [ 1657.029713][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1657.040552][ T3879] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1657.092963][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1657.097874][ T3879] Node 1 Normal free:26960kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1657.164203][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1657.169122][ T3879] Node 0 DMA: 1*4kB (U) 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10172kB [ 1657.186374][ T3879] Node 0 DMA32: 2053*4kB (UME) 528*8kB (UME) 164*16kB (ME) 65*32kB (UM) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17204kB [ 1657.201097][ T3879] 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 [ 1657.212599][ T3879] Node 1 Normal: 14*4kB (ME) 13*8kB (ME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26960kB [ 1657.229994][ T3879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1657.239737][ T3879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1657.249475][ T3879] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1657.301973][ T3879] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1657.314261][ T3879] 4809 total pagecache pages [ 1657.318857][ T3879] 0 pages in swap cache [ 1657.323030][ T3879] Swap cache stats: add 0, delete 0, find 0/0 [ 1657.329105][ T3879] Free swap = 0kB [ 1657.333107][ T3879] Total swap = 0kB [ 1657.336833][ T3879] 1965979 pages RAM [ 1657.340614][ T3879] 0 pages HighMem/MovableOnly [ 1657.345336][ T3879] 349901 pages reserved [ 1657.349493][ T3879] 0 pages cma reserved [ 1657.353607][ T3879] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18776,uid=0 [ 1657.368129][ T3879] Out of memory: Killed process 18776 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1657.402141][ T3873] systemd-journal invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1657.470330][ T3873] CPU: 0 PID: 3873 Comm: systemd-journal Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1657.480245][ T3873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1657.490345][ T3873] Call Trace: [ 1657.493635][ T3873] dump_stack+0x18f/0x20d [ 1657.497954][ T3873] dump_header+0x106/0x60f [ 1657.502362][ T3873] oom_kill_process.cold+0x10/0x15 [ 1657.507457][ T3873] out_of_memory+0x326/0x1340 [ 1657.512129][ T3873] ? oom_killer_disable+0x270/0x270 [ 1657.517310][ T3873] ? mutex_trylock+0x246/0x2c0 [ 1657.522080][ T3873] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1657.528760][ T3873] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1657.535371][ T3873] ? warn_alloc+0x120/0x120 [ 1657.539867][ T3873] ? fs_reclaim_release+0x94/0xf0 [ 1657.544873][ T3873] ? lock_is_held_type+0xb0/0xe0 [ 1657.549811][ T3873] ? find_get_entry+0x3b2/0x8a0 [ 1657.554645][ T3873] __alloc_pages_nodemask+0x5a3/0x700 [ 1657.560020][ T3873] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1657.566772][ T3873] ? page_cache_readahead_unbounded+0x572/0x850 [ 1657.573009][ T3873] ? __lock_page_or_retry+0x650/0x650 [ 1657.578371][ T3873] alloc_pages_current+0x187/0x280 [ 1657.583468][ T3873] __page_cache_alloc+0x31e/0x450 [ 1657.588477][ T3873] pagecache_get_page+0x2a6/0xf70 [ 1657.593497][ T3873] ? __do_page_cache_readahead+0xc2/0xf0 [ 1657.599163][ T3873] filemap_fault+0x1a94/0x2ab0 [ 1657.603967][ T3873] ext4_filemap_fault+0x87/0xb6 [ 1657.608808][ T3873] __do_fault+0x10d/0x4d0 [ 1657.613137][ T3873] handle_mm_fault+0x37a3/0x43f0 [ 1657.618147][ T3873] ? apply_to_existing_page_range+0x40/0x40 [ 1657.624038][ T3873] do_user_addr_fault+0x5a2/0xd00 [ 1657.629050][ T3873] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1657.634594][ T3873] exc_page_fault+0xab/0x170 [ 1657.639166][ T3873] ? asm_exc_page_fault+0x8/0x30 [ 1657.644086][ T3873] asm_exc_page_fault+0x1e/0x30 [ 1657.648932][ T3873] RIP: 0033:0x7fb1de32f2e3 [ 1657.653324][ T3873] Code: Bad RIP value. [ 1657.657379][ T3873] RSP: 002b:00007ffe3d83c058 EFLAGS: 00010246 [ 1657.663427][ T3873] RAX: 0000000000000001 RBX: 000055ce75f621e0 RCX: 00007fb1de32f2e3 [ 1657.671386][ T3873] RDX: 0000000000000013 RSI: 00007ffe3d83c060 RDI: 0000000000000008 [ 1657.679357][ T3873] RBP: 00007ffe3d83c250 R08: 0000000000000000 R09: 00007ffe3d91e080 [ 1657.687319][ T3873] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3d83c060 [ 1657.695280][ T3873] R13: 0000000000000001 R14: ffffffffffffffff R15: 0005a9e6550b3dc4 [ 1657.800761][ T3873] Mem-Info: [ 1657.808161][ T3873] active_anon:249089 inactive_anon:4132 isolated_anon:0 [ 1657.808161][ T3873] active_file:225 inactive_file:244 isolated_file:0 [ 1657.808161][ T3873] unevictable:0 dirty:421 writeback:4 [ 1657.808161][ T3873] slab_reclaimable:14810 slab_unreclaimable:104165 [ 1657.808161][ T3873] mapped:53381 shmem:4360 pagetables:11841 bounce:0 [ 1657.808161][ T3873] free:13657 free_pcp:0 free_cma:0 [ 1657.854333][ T3873] Node 0 active_anon:996200kB inactive_anon:16524kB active_file:984kB inactive_file:756kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:16kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 841728kB writeback_tmp:0kB kernel_stack:21760kB all_unreclaimable? yes [ 1657.891288][ T3873] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1657.966539][ T3873] Node 0 DMA free:10172kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1658.001763][ T3873] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1658.009916][ T3873] Node 0 DMA32 free:17496kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:992104kB inactive_anon:16524kB active_file:784kB inactive_file:432kB unevictable:0kB writepending:1700kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:47276kB bounce:0kB free_pcp:472kB local_pcp:232kB free_cma:0kB [ 1658.047278][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1658.051983][ T3873] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1658.088575][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1658.093376][ T3873] Node 1 Normal free:26960kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1658.122288][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1658.127203][ T3873] Node 0 DMA: 1*4kB (U) 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10172kB [ 1658.142042][ T3873] Node 0 DMA32: 2081*4kB (UME) 538*8kB (UME) 170*16kB (UME) 66*32kB (UM) 0*64kB 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17716kB [ 1658.157095][ T3873] 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 [ 1658.181631][ T3873] Node 1 Normal: 14*4kB (ME) 13*8kB (ME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26960kB [ 1658.207813][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1658.226936][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1658.240195][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1658.284786][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1658.309446][ T3873] 4821 total pagecache pages [ 1658.317404][ T3873] 0 pages in swap cache [ 1658.321594][ T3873] Swap cache stats: add 0, delete 0, find 0/0 [ 1658.339830][ T3873] Free swap = 0kB [ 1658.343677][ T3873] Total swap = 0kB [ 1658.349952][ T3873] 1965979 pages RAM [ 1658.353825][ T3873] 0 pages HighMem/MovableOnly [ 1658.358522][ T3873] 349901 pages reserved [ 1658.379024][ T3873] 0 pages cma reserved [ 1658.383194][ T3873] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18771,uid=0 [ 1658.397579][ T3873] Out of memory: Killed process 18771 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1658.546462][ T6814] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1658.570640][ T6814] CPU: 0 PID: 6814 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1658.580451][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1658.590501][ T6814] Call Trace: [ 1658.593828][ T6814] dump_stack+0x18f/0x20d [ 1658.598148][ T6814] dump_header+0x106/0x60f [ 1658.602560][ T6814] oom_kill_process.cold+0x10/0x15 [ 1658.607655][ T6814] out_of_memory+0x326/0x1340 [ 1658.612318][ T6814] ? oom_killer_disable+0x270/0x270 [ 1658.617522][ T6814] ? mutex_trylock+0x246/0x2c0 [ 1658.622269][ T6814] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1658.628943][ T6814] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1658.635536][ T6814] ? warn_alloc+0x120/0x120 [ 1658.640044][ T6814] ? fs_reclaim_release+0x94/0xf0 [ 1658.645065][ T6814] ? lock_is_held_type+0xb0/0xe0 [ 1658.650022][ T6814] ? find_get_entry+0x3b2/0x8a0 [ 1658.654860][ T6814] __alloc_pages_nodemask+0x5a3/0x700 [ 1658.660216][ T6814] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1658.666964][ T6814] ? page_cache_readahead_unbounded+0x572/0x850 [ 1658.673192][ T6814] ? __lock_page_or_retry+0x650/0x650 [ 1658.679268][ T6814] alloc_pages_current+0x187/0x280 [ 1658.684382][ T6814] __page_cache_alloc+0x31e/0x450 [ 1658.690820][ T6814] pagecache_get_page+0x2a6/0xf70 [ 1658.695833][ T6814] ? __do_page_cache_readahead+0xc2/0xf0 [ 1658.701456][ T6814] filemap_fault+0x1a94/0x2ab0 [ 1658.706397][ T6814] ext4_filemap_fault+0x87/0xb6 [ 1658.711233][ T6814] __do_fault+0x10d/0x4d0 [ 1658.715558][ T6814] handle_mm_fault+0x37a3/0x43f0 [ 1658.720496][ T6814] ? apply_to_existing_page_range+0x40/0x40 [ 1658.726377][ T6814] ? vmacache_update+0xce/0x140 [ 1658.731225][ T6814] do_user_addr_fault+0x5a2/0xd00 [ 1658.736236][ T6814] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1658.741786][ T6814] exc_page_fault+0xab/0x170 [ 1658.746364][ T6814] ? asm_exc_page_fault+0x8/0x30 [ 1658.751284][ T6814] asm_exc_page_fault+0x1e/0x30 [ 1658.756114][ T6814] RIP: 0033:0x45b030 [ 1658.759986][ T6814] Code: Bad RIP value. [ 1658.764998][ T6814] RSP: 002b:00007fff99286898 EFLAGS: 00010246 [ 1658.771056][ T6814] RAX: 0000000000000000 RBX: 000000000018f0dc RCX: 000000000045b030 [ 1658.779023][ T6814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff992868a0 [ 1658.786982][ T6814] RBP: 000000000000086a R08: 0000000000000001 R09: 00000000017f2940 [ 1658.794957][ T6814] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1658.802936][ T6814] R13: 00007fff992868f0 R14: 000000000018f0dc R15: 00007fff99286900 [ 1658.863810][ T6814] Mem-Info: [ 1658.867492][ T6814] active_anon:248544 inactive_anon:4132 isolated_anon:0 [ 1658.867492][ T6814] active_file:236 inactive_file:211 isolated_file:0 [ 1658.867492][ T6814] unevictable:0 dirty:421 writeback:0 [ 1658.867492][ T6814] slab_reclaimable:14805 slab_unreclaimable:104119 [ 1658.867492][ T6814] mapped:53381 shmem:4360 pagetables:11787 bounce:0 [ 1658.867492][ T6814] free:13720 free_pcp:62 free_cma:0 [ 1658.912286][ T6814] Node 0 active_anon:994020kB inactive_anon:16524kB active_file:1132kB inactive_file:696kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 837632kB writeback_tmp:0kB kernel_stack:21696kB all_unreclaimable? yes [ 1658.956106][ T6814] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1659.012334][ T6814] Node 0 DMA free:10172kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1659.048391][ T6814] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1659.057502][ T6814] Node 0 DMA32 free:17756kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:989924kB inactive_anon:16524kB active_file:908kB inactive_file:876kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:47060kB bounce:0kB free_pcp:448kB local_pcp:212kB free_cma:0kB [ 1659.097360][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1659.102081][ T6814] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1659.145046][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1659.149768][ T6814] Node 1 Normal free:26960kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:12kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1659.179803][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1659.184556][ T6814] Node 0 DMA: 1*4kB (U) 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10172kB [ 1659.199369][ T6814] Node 0 DMA32: 2050*4kB (UME) 525*8kB (UME) 173*16kB (UME) 62*32kB (UM) 8*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17920kB [ 1659.221314][ T6814] 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 [ 1659.233261][ T6814] Node 1 Normal: 14*4kB (ME) 13*8kB (ME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26960kB [ 1659.268005][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1659.277845][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1659.309237][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1659.329187][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1659.341019][ T6814] 4814 total pagecache pages [ 1659.351677][ T6814] 0 pages in swap cache [ 1659.358521][ T6814] Swap cache stats: add 0, delete 0, find 0/0 [ 1659.370583][ T6814] Free swap = 0kB [ 1659.376839][ T6814] Total swap = 0kB [ 1659.380775][ T6814] 1965979 pages RAM [ 1659.395060][ T6814] 0 pages HighMem/MovableOnly [ 1659.399970][ T6814] 349901 pages reserved [ 1659.405831][ T6814] 0 pages cma reserved [ 1659.409907][ T6814] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18765,uid=0 [ 1659.427381][ T6814] Out of memory: Killed process 18765 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1659.555917][ T6814] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1659.575213][ T6814] CPU: 0 PID: 6814 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1659.585036][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1659.595099][ T6814] Call Trace: [ 1659.598400][ T6814] dump_stack+0x18f/0x20d [ 1659.602738][ T6814] dump_header+0x106/0x60f [ 1659.607160][ T6814] oom_kill_process.cold+0x10/0x15 [ 1659.612276][ T6814] out_of_memory+0x326/0x1340 [ 1659.616974][ T6814] ? oom_killer_disable+0x270/0x270 [ 1659.622180][ T6814] ? mutex_trylock+0x246/0x2c0 [ 1659.626940][ T6814] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1659.633629][ T6814] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1659.640266][ T6814] ? warn_alloc+0x120/0x120 [ 1659.644783][ T6814] ? fs_reclaim_release+0x94/0xf0 [ 1659.649824][ T6814] ? lock_is_held_type+0xb0/0xe0 [ 1659.654771][ T6814] ? find_get_entry+0x3b2/0x8a0 [ 1659.659664][ T6814] __alloc_pages_nodemask+0x5a3/0x700 [ 1659.665054][ T6814] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1659.671835][ T6814] ? page_cache_readahead_unbounded+0x572/0x850 [ 1659.678078][ T6814] ? __lock_page_or_retry+0x650/0x650 [ 1659.683461][ T6814] alloc_pages_current+0x187/0x280 [ 1659.688571][ T6814] __page_cache_alloc+0x31e/0x450 [ 1659.693600][ T6814] pagecache_get_page+0x2a6/0xf70 [ 1659.698613][ T6814] ? __do_page_cache_readahead+0xc2/0xf0 [ 1659.704234][ T6814] filemap_fault+0x1a94/0x2ab0 [ 1659.708988][ T6814] ext4_filemap_fault+0x87/0xb6 [ 1659.713831][ T6814] __do_fault+0x10d/0x4d0 [ 1659.718147][ T6814] handle_mm_fault+0x37a3/0x43f0 [ 1659.723091][ T6814] ? apply_to_existing_page_range+0x40/0x40 [ 1659.728989][ T6814] ? vmacache_update+0xce/0x140 [ 1659.733827][ T6814] do_user_addr_fault+0x5a2/0xd00 [ 1659.738841][ T6814] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1659.744398][ T6814] exc_page_fault+0xab/0x170 [ 1659.749060][ T6814] ? asm_exc_page_fault+0x8/0x30 [ 1659.753981][ T6814] asm_exc_page_fault+0x1e/0x30 [ 1659.758828][ T6814] RIP: 0033:0x45b030 [ 1659.762698][ T6814] Code: Bad RIP value. [ 1659.766751][ T6814] RSP: 002b:00007fff99286898 EFLAGS: 00010246 [ 1659.772810][ T6814] RAX: 0000000000000000 RBX: 000000000018f0dc RCX: 000000000045b030 [ 1659.780951][ T6814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff992868a0 [ 1659.788906][ T6814] RBP: 000000000000086a R08: 0000000000000001 R09: 00000000017f2940 [ 1659.796861][ T6814] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1659.804814][ T6814] R13: 00007fff992868f0 R14: 000000000018f0dc R15: 00007fff99286900 [ 1659.837629][ T6814] Mem-Info: [ 1659.840860][ T6814] active_anon:248002 inactive_anon:4132 isolated_anon:0 [ 1659.840860][ T6814] active_file:234 inactive_file:168 isolated_file:87 [ 1659.840860][ T6814] unevictable:0 dirty:425 writeback:1 [ 1659.840860][ T6814] slab_reclaimable:14805 slab_unreclaimable:104353 [ 1659.840860][ T6814] mapped:53381 shmem:4360 pagetables:11760 bounce:0 [ 1659.840860][ T6814] free:13693 free_pcp:0 free_cma:0 [ 1659.884486][ T6814] Node 0 active_anon:991852kB inactive_anon:16524kB active_file:1188kB inactive_file:632kB unevictable:0kB isolated(anon):0kB isolated(file):92kB mapped:213524kB dirty:1700kB writeback:4kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 835584kB writeback_tmp:0kB kernel_stack:21632kB all_unreclaimable? no [ 1659.920864][ T6814] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1659.960633][ T6814] Node 0 DMA free:10172kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1659.996768][ T6814] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1660.002546][ T6814] Node 0 DMA32 free:18200kB min:37964kB low:46940kB high:55916kB reserved_highatomic:0KB active_anon:987756kB inactive_anon:16524kB active_file:756kB inactive_file:948kB unevictable:0kB writepending:1704kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:46952kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 1660.034144][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1660.038864][ T6814] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1660.067634][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1660.072338][ T6814] Node 1 Normal free:26960kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1660.107869][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1660.112566][ T6814] Node 0 DMA: 0*4kB 1*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10152kB [ 1660.127904][ T6814] Node 0 DMA32: 2021*4kB (UME) 533*8kB (UME) 173*16kB (ME) 67*32kB (UM) 7*64kB (UM) 4*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18220kB [ 1660.143191][ T6814] 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 [ 1660.154924][ T6814] Node 1 Normal: 14*4kB (ME) 13*8kB (ME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26960kB [ 1660.179076][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1660.189436][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1660.198919][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1660.208825][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1660.218383][ T6814] 4813 total pagecache pages [ 1660.230865][ T6814] 0 pages in swap cache [ 1660.235307][ T6814] Swap cache stats: add 0, delete 0, find 0/0 [ 1660.241564][ T6814] Free swap = 0kB [ 1660.245422][ T6814] Total swap = 0kB [ 1660.249143][ T6814] 1965979 pages RAM [ 1660.265524][ T6814] 0 pages HighMem/MovableOnly [ 1660.270410][ T6814] 349901 pages reserved [ 1660.277819][ T6814] 0 pages cma reserved [ 1660.283309][ T6814] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18707,uid=0 [ 1660.297730][ T6814] Out of memory: Killed process 18707 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1660.316240][ T1151] oom_reaper: reaped process 18707 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1660.406234][T27197] syz-executor.2 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 1660.417725][T27197] CPU: 0 PID: 27197 Comm: syz-executor.2 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1660.427618][T27197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1660.438368][T27197] Call Trace: [ 1660.441669][T27197] dump_stack+0x18f/0x20d [ 1660.446006][T27197] dump_header+0x106/0x60f [ 1660.450425][T27197] oom_kill_process.cold+0x10/0x15 [ 1660.455539][T27197] out_of_memory+0x326/0x1340 [ 1660.460224][T27197] ? oom_killer_disable+0x270/0x270 [ 1660.465425][T27197] ? mutex_trylock+0x246/0x2c0 [ 1660.470189][T27197] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1660.476899][T27197] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1660.483509][T27197] ? warn_alloc+0x120/0x120 [ 1660.488034][T27197] ? fs_reclaim_release+0x94/0xf0 [ 1660.493058][T27197] ? lock_is_held_type+0xb0/0xe0 [ 1660.497995][T27197] ? find_get_entry+0x3b2/0x8a0 [ 1660.502842][T27197] __alloc_pages_nodemask+0x5a3/0x700 [ 1660.508308][T27197] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1660.515100][T27197] ? page_cache_readahead_unbounded+0x572/0x850 [ 1660.521378][T27197] ? __lock_page_or_retry+0x650/0x650 [ 1660.526758][T27197] alloc_pages_current+0x187/0x280 [ 1660.531879][T27197] __page_cache_alloc+0x31e/0x450 [ 1660.536897][T27197] pagecache_get_page+0x2a6/0xf70 [ 1660.541902][T27197] ? __do_page_cache_readahead+0xc2/0xf0 [ 1660.547526][T27197] filemap_fault+0x1a94/0x2ab0 [ 1660.552285][T27197] ext4_filemap_fault+0x87/0xb6 [ 1660.557130][T27197] __do_fault+0x10d/0x4d0 [ 1660.561437][T27197] handle_mm_fault+0x37a3/0x43f0 [ 1660.566370][T27197] ? apply_to_existing_page_range+0x40/0x40 [ 1660.572276][T27197] do_user_addr_fault+0x5a2/0xd00 [ 1660.577282][T27197] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1660.582838][T27197] exc_page_fault+0xab/0x170 [ 1660.587433][T27197] ? asm_exc_page_fault+0x8/0x30 [ 1660.592376][T27197] asm_exc_page_fault+0x1e/0x30 [ 1660.597228][T27197] RIP: 0033:0x43b560 [ 1660.601105][T27197] Code: Bad RIP value. [ 1660.605145][T27197] RSP: 002b:00007ffcc0f82178 EFLAGS: 00010246 [ 1660.611186][T27197] RAX: 00000000004fb4e0 RBX: 0000000000000000 RCX: 0000000000021e40 [ 1660.619156][T27197] RDX: 0000000000000007 RSI: 00000000004c2527 RDI: 00000000004cb72f [ 1660.627628][T27197] RBP: 0000000000790000 R08: 0000000000000000 R09: 0000000000000004 [ 1660.635585][T27197] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000790008 [ 1660.643576][T27197] R13: 00007ffcc0f82370 R14: 0000000000000879 R15: 00007ffcc0f82380 [ 1660.870412][T27197] Mem-Info: [ 1660.881548][T27197] active_anon:247463 inactive_anon:4132 isolated_anon:0 [ 1660.881548][T27197] active_file:203 inactive_file:196 isolated_file:32 [ 1660.881548][T27197] unevictable:0 dirty:421 writeback:0 [ 1660.881548][T27197] slab_reclaimable:14788 slab_unreclaimable:103977 [ 1660.881548][T27197] mapped:53381 shmem:4360 pagetables:11733 bounce:0 [ 1660.881548][T27197] free:13655 free_pcp:74 free_cma:0 [ 1660.928838][T27197] Node 0 active_anon:989696kB inactive_anon:16524kB active_file:760kB inactive_file:996kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 833536kB writeback_tmp:0kB kernel_stack:21600kB all_unreclaimable? no [ 1660.967581][T27197] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1661.010847][T27197] Node 0 DMA free:10152kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1661.038974][T27197] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1661.053895][T27197] Node 0 DMA32 free:17456kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:985600kB inactive_anon:16524kB active_file:1212kB inactive_file:0kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:46844kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1661.085742][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1661.090502][T27197] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1661.147132][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1661.151864][T27197] Node 1 Normal free:26960kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1661.252847][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1661.257564][T27197] Node 0 DMA: 0*4kB 1*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10152kB [ 1661.291697][T27197] Node 0 DMA32: 1983*4kB (ME) 531*8kB (ME) 174*16kB (UME) 68*32kB (UM) 2*64kB (UM) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17396kB [ 1661.331326][T27197] 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 [ 1661.346694][T27197] Node 1 Normal: 14*4kB (ME) 13*8kB (ME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26960kB [ 1661.373172][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1661.390628][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1661.400034][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1661.409774][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1661.419097][T27197] 4795 total pagecache pages [ 1661.423746][T27197] 0 pages in swap cache [ 1661.427921][T27197] Swap cache stats: add 0, delete 0, find 0/0 [ 1661.439015][T27197] Free swap = 0kB [ 1661.449002][T27197] Total swap = 0kB [ 1661.458681][T27197] 1965979 pages RAM [ 1661.462489][T27197] 0 pages HighMem/MovableOnly [ 1661.468162][T27197] 349901 pages reserved [ 1661.472528][T27197] 0 pages cma reserved [ 1661.476634][T27197] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18701,uid=0 [ 1661.493588][T27197] Out of memory: Killed process 18701 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1661.513410][ T1151] oom_reaper: reaped process 18701 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1661.603273][ T6495] cron invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1661.622118][ T6495] CPU: 0 PID: 6495 Comm: cron Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1661.631074][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1661.641134][ T6495] Call Trace: [ 1661.644442][ T6495] dump_stack+0x18f/0x20d [ 1661.648784][ T6495] dump_header+0x106/0x60f [ 1661.653213][ T6495] oom_kill_process.cold+0x10/0x15 [ 1661.658351][ T6495] out_of_memory+0x326/0x1340 [ 1661.663038][ T6495] ? oom_killer_disable+0x270/0x270 [ 1661.668239][ T6495] ? mutex_trylock+0x246/0x2c0 [ 1661.673069][ T6495] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1661.679762][ T6495] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1661.686374][ T6495] ? warn_alloc+0x120/0x120 [ 1661.690901][ T6495] ? fs_reclaim_release+0x94/0xf0 [ 1661.695942][ T6495] ? lock_is_held_type+0xb0/0xe0 [ 1661.700873][ T6495] ? find_get_entry+0x3b2/0x8a0 [ 1661.705754][ T6495] __alloc_pages_nodemask+0x5a3/0x700 [ 1661.711131][ T6495] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1661.717981][ T6495] ? page_cache_readahead_unbounded+0x572/0x850 [ 1661.724240][ T6495] ? __lock_page_or_retry+0x650/0x650 [ 1661.729613][ T6495] alloc_pages_current+0x187/0x280 [ 1661.734724][ T6495] __page_cache_alloc+0x31e/0x450 [ 1661.739737][ T6495] pagecache_get_page+0x2a6/0xf70 [ 1661.744777][ T6495] ? __do_page_cache_readahead+0xc2/0xf0 [ 1661.750419][ T6495] filemap_fault+0x1a94/0x2ab0 [ 1661.755983][ T6495] ext4_filemap_fault+0x87/0xb6 [ 1661.760834][ T6495] __do_fault+0x10d/0x4d0 [ 1661.765151][ T6495] handle_mm_fault+0x37a3/0x43f0 [ 1661.770087][ T6495] ? apply_to_existing_page_range+0x40/0x40 [ 1661.775995][ T6495] do_user_addr_fault+0x5a2/0xd00 [ 1661.781058][ T6495] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1661.786609][ T6495] exc_page_fault+0xab/0x170 [ 1661.791212][ T6495] ? asm_exc_page_fault+0x8/0x30 [ 1661.796166][ T6495] asm_exc_page_fault+0x1e/0x30 [ 1661.801831][ T6495] RIP: 0033:0x7fe7c07b7270 [ 1661.806272][ T6495] Code: Bad RIP value. [ 1661.810333][ T6495] RSP: 002b:00007fff5946c008 EFLAGS: 00010246 [ 1661.816481][ T6495] RAX: 0000000000000000 RBX: fffffffffffffeb0 RCX: 00007fe7c07b7270 [ 1661.824442][ T6495] RDX: 00007fff595e2080 RSI: 00007fff5946c010 RDI: 00007fff5946c010 [ 1661.832408][ T6495] RBP: 0000000000000002 R08: 0000000000000008 R09: 0000000000000000 [ 1661.840382][ T6495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1661.848363][ T6495] R13: 00007fff5946c160 R14: 0000000000000000 R15: 0000000000000000 [ 1661.872721][ T6495] Mem-Info: [ 1661.875875][ T6495] active_anon:246924 inactive_anon:4132 isolated_anon:0 [ 1661.875875][ T6495] active_file:226 inactive_file:194 isolated_file:0 [ 1661.875875][ T6495] unevictable:0 dirty:425 writeback:0 [ 1661.875875][ T6495] slab_reclaimable:14785 slab_unreclaimable:104357 [ 1661.875875][ T6495] mapped:53381 shmem:4360 pagetables:11732 bounce:0 [ 1661.875875][ T6495] free:13697 free_pcp:0 free_cma:0 [ 1661.913822][ T6495] Node 0 active_anon:987540kB inactive_anon:16524kB active_file:904kB inactive_file:772kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1700kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 831488kB writeback_tmp:0kB kernel_stack:21568kB all_unreclaimable? no [ 1661.950504][ T6495] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1662.019039][ T6495] Node 0 DMA free:10152kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1662.047836][ T6495] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1662.053646][ T6495] Node 0 DMA32 free:17676kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:983444kB inactive_anon:16524kB active_file:468kB inactive_file:800kB unevictable:0kB writepending:1700kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:46840kB bounce:0kB free_pcp:472kB local_pcp:232kB free_cma:0kB [ 1662.084525][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1662.089222][ T6495] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1662.122196][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1662.126985][ T6495] Node 1 Normal free:26960kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1662.155911][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1662.160695][ T6495] Node 0 DMA: 0*4kB 1*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10152kB [ 1662.175343][ T6495] Node 0 DMA32: 1994*4kB (ME) 535*8kB (ME) 174*16kB (UME) 66*32kB (UM) 1*64kB (M) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17472kB [ 1662.190505][ T6495] 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 [ 1662.202465][ T6495] Node 1 Normal: 14*4kB (ME) 13*8kB (ME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26960kB [ 1662.219479][ T6495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1662.230657][ T6495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1662.244864][ T6495] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1662.264076][ T6495] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1662.278886][ T6495] 4806 total pagecache pages [ 1662.284987][ T6495] 0 pages in swap cache [ 1662.289653][ T6495] Swap cache stats: add 0, delete 0, find 0/0 [ 1662.302609][ T6495] Free swap = 0kB [ 1662.308020][ T6495] Total swap = 0kB [ 1662.311941][ T6495] 1965979 pages RAM [ 1662.321193][ T6495] 0 pages HighMem/MovableOnly [ 1662.331197][ T6495] 349901 pages reserved [ 1662.344140][ T6495] 0 pages cma reserved [ 1662.351954][ T6495] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=18694,uid=0 [ 1662.373182][ T6495] Out of memory: Killed process 18694 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1662.432316][ T6495] cron invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1662.448865][ T6495] CPU: 1 PID: 6495 Comm: cron Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1662.457817][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1662.467895][ T6495] Call Trace: [ 1662.471206][ T6495] dump_stack+0x18f/0x20d [ 1662.475550][ T6495] dump_header+0x106/0x60f [ 1662.479983][ T6495] oom_kill_process.cold+0x10/0x15 [ 1662.485108][ T6495] out_of_memory+0x326/0x1340 [ 1662.489789][ T6495] ? oom_killer_disable+0x270/0x270 [ 1662.495036][ T6495] ? mutex_trylock+0x246/0x2c0 [ 1662.499793][ T6495] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1662.506575][ T6495] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1662.513183][ T6495] ? warn_alloc+0x120/0x120 [ 1662.517675][ T6495] ? fs_reclaim_release+0x94/0xf0 [ 1662.522703][ T6495] ? lock_is_held_type+0xb0/0xe0 [ 1662.527635][ T6495] ? find_get_entry+0x3b2/0x8a0 [ 1662.532482][ T6495] __alloc_pages_nodemask+0x5a3/0x700 [ 1662.537845][ T6495] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1662.544609][ T6495] ? page_cache_readahead_unbounded+0x572/0x850 [ 1662.550844][ T6495] ? __lock_page_or_retry+0x650/0x650 [ 1662.556201][ T6495] alloc_pages_current+0x187/0x280 [ 1662.561298][ T6495] __page_cache_alloc+0x31e/0x450 [ 1662.566430][ T6495] pagecache_get_page+0x2a6/0xf70 [ 1662.571455][ T6495] ? __do_page_cache_readahead+0xc2/0xf0 [ 1662.577083][ T6495] filemap_fault+0x1a94/0x2ab0 [ 1662.581850][ T6495] ext4_filemap_fault+0x87/0xb6 [ 1662.586685][ T6495] __do_fault+0x10d/0x4d0 [ 1662.591011][ T6495] handle_mm_fault+0x37a3/0x43f0 [ 1662.595960][ T6495] ? apply_to_existing_page_range+0x40/0x40 [ 1662.601844][ T6495] do_user_addr_fault+0x5a2/0xd00 [ 1662.607756][ T6495] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1662.613287][ T6495] exc_page_fault+0xab/0x170 [ 1662.617961][ T6495] ? asm_exc_page_fault+0x8/0x30 [ 1662.622905][ T6495] asm_exc_page_fault+0x1e/0x30 [ 1662.627750][ T6495] RIP: 0033:0x7fe7c07b7270 [ 1662.632142][ T6495] Code: Bad RIP value. [ 1662.636184][ T6495] RSP: 002b:00007fff5946c008 EFLAGS: 00010246 [ 1662.642226][ T6495] RAX: 0000000000000000 RBX: fffffffffffffeb0 RCX: 00007fe7c07b7270 [ 1662.650178][ T6495] RDX: 00007fff595e2080 RSI: 00007fff5946c010 RDI: 00007fff5946c010 [ 1662.658132][ T6495] RBP: 0000000000000002 R08: 0000000000000008 R09: 0000000000000000 [ 1662.666087][ T6495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1662.674044][ T6495] R13: 00007fff5946c160 R14: 0000000000000000 R15: 0000000000000000 [ 1662.716854][ T6495] Mem-Info: [ 1662.720021][ T6495] active_anon:246382 inactive_anon:4132 isolated_anon:0 [ 1662.720021][ T6495] active_file:219 inactive_file:182 isolated_file:24 [ 1662.720021][ T6495] unevictable:0 dirty:421 writeback:0 [ 1662.720021][ T6495] slab_reclaimable:14781 slab_unreclaimable:104159 [ 1662.720021][ T6495] mapped:53381 shmem:4360 pagetables:11679 bounce:0 [ 1662.720021][ T6495] free:13827 free_pcp:0 free_cma:0 [ 1662.791234][ T6495] Node 0 active_anon:985372kB inactive_anon:16524kB active_file:600kB inactive_file:1140kB unevictable:0kB isolated(anon):0kB isolated(file):96kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 829440kB writeback_tmp:0kB kernel_stack:21504kB all_unreclaimable? no [ 1662.907345][ T6495] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1662.935134][ T6495] Node 0 DMA free:10152kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1662.967576][ T6495] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1662.980818][ T6495] Node 0 DMA32 free:17744kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:981276kB inactive_anon:16524kB active_file:576kB inactive_file:1004kB unevictable:0kB writepending:1700kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:46628kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 1663.013290][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1663.017989][ T6495] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1663.045430][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1663.050839][ T6495] Node 1 Normal free:26956kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:84kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1663.079902][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1663.093028][ T6495] Node 0 DMA: 0*4kB 1*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10152kB [ 1663.108448][ T6495] Node 0 DMA32: 1995*4kB (UME) 555*8kB (UME) 184*16kB (UME) 75*32kB (UM) 4*64kB (UM) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18148kB [ 1663.124236][ T6495] 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 [ 1663.135716][ T6495] Node 1 Normal: 15*4kB (UME) 15*8kB (UME) 15*16kB (UME) 12*32kB (UME) 5*64kB (ME) 6*128kB (UME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 27236kB [ 1663.153943][ T6495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1663.178396][ T6495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1663.187796][ T6495] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1663.197428][ T6495] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1663.217872][ T6495] 4822 total pagecache pages [ 1663.222506][ T6495] 0 pages in swap cache [ 1663.233602][ T6495] Swap cache stats: add 0, delete 0, find 0/0 [ 1663.239740][ T6495] Free swap = 0kB [ 1663.252763][ T6495] Total swap = 0kB [ 1663.256508][ T6495] 1965979 pages RAM [ 1663.260352][ T6495] 0 pages HighMem/MovableOnly [ 1663.273502][ T6495] 349901 pages reserved [ 1663.277687][ T6495] 0 pages cma reserved [ 1663.281855][ T6495] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=17507,uid=0 [ 1663.305797][ T6495] Out of memory: Killed process 17507 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1663.378578][ T6495] cron invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1663.395204][ T6495] CPU: 1 PID: 6495 Comm: cron Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1663.404149][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1663.414202][ T6495] Call Trace: [ 1663.417482][ T6495] dump_stack+0x18f/0x20d [ 1663.421812][ T6495] dump_header+0x106/0x60f [ 1663.426229][ T6495] oom_kill_process.cold+0x10/0x15 [ 1663.431323][ T6495] out_of_memory+0x326/0x1340 [ 1663.435987][ T6495] ? oom_killer_disable+0x270/0x270 [ 1663.441165][ T6495] ? mutex_trylock+0x246/0x2c0 [ 1663.445909][ T6495] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1663.452582][ T6495] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1663.459165][ T6495] ? warn_alloc+0x120/0x120 [ 1663.463670][ T6495] ? fs_reclaim_release+0x94/0xf0 [ 1663.468695][ T6495] ? lock_is_held_type+0xb0/0xe0 [ 1663.473613][ T6495] ? find_get_entry+0x3b2/0x8a0 [ 1663.478456][ T6495] __alloc_pages_nodemask+0x5a3/0x700 [ 1663.483813][ T6495] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1663.490558][ T6495] ? page_cache_readahead_unbounded+0x572/0x850 [ 1663.496782][ T6495] ? __lock_page_or_retry+0x650/0x650 [ 1663.502151][ T6495] alloc_pages_current+0x187/0x280 [ 1663.507249][ T6495] __page_cache_alloc+0x31e/0x450 [ 1663.512258][ T6495] pagecache_get_page+0x2a6/0xf70 [ 1663.517266][ T6495] ? __do_page_cache_readahead+0xc2/0xf0 [ 1663.522884][ T6495] filemap_fault+0x1a94/0x2ab0 [ 1663.527635][ T6495] ext4_filemap_fault+0x87/0xb6 [ 1663.532467][ T6495] __do_fault+0x10d/0x4d0 [ 1663.536782][ T6495] handle_mm_fault+0x37a3/0x43f0 [ 1663.541704][ T6495] ? apply_to_existing_page_range+0x40/0x40 [ 1663.547586][ T6495] do_user_addr_fault+0x5a2/0xd00 [ 1663.552622][ T6495] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1663.558154][ T6495] exc_page_fault+0xab/0x170 [ 1663.562736][ T6495] ? asm_exc_page_fault+0x8/0x30 [ 1663.567658][ T6495] asm_exc_page_fault+0x1e/0x30 [ 1663.572501][ T6495] RIP: 0033:0x7fe7c07b7270 [ 1663.576888][ T6495] Code: Bad RIP value. [ 1663.580944][ T6495] RSP: 002b:00007fff5946c008 EFLAGS: 00010246 [ 1663.586990][ T6495] RAX: 0000000000000000 RBX: fffffffffffffeb0 RCX: 00007fe7c07b7270 [ 1663.594943][ T6495] RDX: 00007fff595e2080 RSI: 00007fff5946c010 RDI: 00007fff5946c010 [ 1663.602896][ T6495] RBP: 0000000000000002 R08: 0000000000000008 R09: 0000000000000000 [ 1663.610865][ T6495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1663.618835][ T6495] R13: 00007fff5946c160 R14: 0000000000000000 R15: 0000000000000000 [ 1663.692951][ T6495] Mem-Info: [ 1663.696346][ T6495] active_anon:245847 inactive_anon:4132 isolated_anon:0 [ 1663.696346][ T6495] active_file:283 inactive_file:177 isolated_file:0 [ 1663.696346][ T6495] unevictable:0 dirty:420 writeback:5 [ 1663.696346][ T6495] slab_reclaimable:14756 slab_unreclaimable:104271 [ 1663.696346][ T6495] mapped:53381 shmem:4360 pagetables:11679 bounce:0 [ 1663.696346][ T6495] free:13661 free_pcp:207 free_cma:0 [ 1663.753252][ T6495] Node 0 active_anon:983232kB inactive_anon:16524kB active_file:1044kB inactive_file:760kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1680kB writeback:20kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 829440kB writeback_tmp:0kB kernel_stack:21472kB all_unreclaimable? yes [ 1663.812847][ T6495] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:96kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1663.840219][ T6495] Node 0 DMA free:10152kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1663.886028][ T6495] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1663.892009][ T6495] Node 0 DMA32 free:17508kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:979136kB inactive_anon:16524kB active_file:1040kB inactive_file:648kB unevictable:0kB writepending:1700kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:46628kB bounce:0kB free_pcp:468kB local_pcp:236kB free_cma:0kB [ 1663.936448][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1663.941357][ T6495] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1663.976352][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1663.981281][ T6495] Node 1 Normal free:26928kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 1664.017302][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1664.022208][ T6495] Node 0 DMA: 0*4kB 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10160kB [ 1664.044055][ T6495] Node 0 DMA32: 1963*4kB (ME) 549*8kB (ME) 179*16kB (ME) 69*32kB (M) 3*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17508kB [ 1664.067803][ T6495] 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 [ 1664.080218][ T6495] Node 1 Normal: 15*4kB (UME) 14*8kB (UME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26972kB [ 1664.101681][ T6495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1664.118313][ T6495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1664.129990][ T6495] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1664.141082][ T6495] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1664.157962][ T6495] 4822 total pagecache pages [ 1664.170698][ T6495] 0 pages in swap cache [ 1664.175029][ T6495] Swap cache stats: add 0, delete 0, find 0/0 [ 1664.181097][ T6495] Free swap = 0kB [ 1664.192126][ T6495] Total swap = 0kB [ 1664.197043][ T6495] 1965979 pages RAM [ 1664.201047][ T6495] 0 pages HighMem/MovableOnly [ 1664.213283][ T6495] 349901 pages reserved [ 1664.217653][ T6495] 0 pages cma reserved [ 1664.221727][ T6495] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=17494,uid=0 [ 1664.249122][ T6495] Out of memory: Killed process 17494 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1664.298484][ T6814] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1664.309929][ T6814] CPU: 0 PID: 6814 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1664.319762][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1664.329845][ T6814] Call Trace: [ 1664.333182][ T6814] dump_stack+0x18f/0x20d [ 1664.337520][ T6814] dump_header+0x106/0x60f [ 1664.341944][ T6814] oom_kill_process.cold+0x10/0x15 [ 1664.347100][ T6814] out_of_memory+0x326/0x1340 [ 1664.351820][ T6814] ? oom_killer_disable+0x270/0x270 [ 1664.357036][ T6814] ? mutex_trylock+0x246/0x2c0 [ 1664.361809][ T6814] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1664.368509][ T6814] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1664.375128][ T6814] ? warn_alloc+0x120/0x120 [ 1664.379650][ T6814] ? fs_reclaim_release+0x94/0xf0 [ 1664.384700][ T6814] ? lock_is_held_type+0xb0/0xe0 [ 1664.389642][ T6814] ? find_get_entry+0x3b2/0x8a0 [ 1664.394515][ T6814] __alloc_pages_nodemask+0x5a3/0x700 [ 1664.399913][ T6814] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1664.406703][ T6814] ? page_cache_readahead_unbounded+0x572/0x850 [ 1664.412972][ T6814] ? __lock_page_or_retry+0x650/0x650 [ 1664.418364][ T6814] alloc_pages_current+0x187/0x280 [ 1664.423497][ T6814] __page_cache_alloc+0x31e/0x450 [ 1664.428577][ T6814] pagecache_get_page+0x2a6/0xf70 [ 1664.433629][ T6814] ? __do_page_cache_readahead+0xc2/0xf0 [ 1664.439283][ T6814] filemap_fault+0x1a94/0x2ab0 [ 1664.444103][ T6814] ext4_filemap_fault+0x87/0xb6 [ 1664.448973][ T6814] __do_fault+0x10d/0x4d0 [ 1664.453325][ T6814] handle_mm_fault+0x37a3/0x43f0 [ 1664.458280][ T6814] ? apply_to_existing_page_range+0x40/0x40 [ 1664.464195][ T6814] ? vmacache_update+0xce/0x140 [ 1664.469071][ T6814] do_user_addr_fault+0x5a2/0xd00 [ 1664.474119][ T6814] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1664.479686][ T6814] exc_page_fault+0xab/0x170 [ 1664.484288][ T6814] ? asm_exc_page_fault+0x8/0x30 [ 1664.489260][ T6814] asm_exc_page_fault+0x1e/0x30 [ 1664.494124][ T6814] RIP: 0033:0x45b030 [ 1664.498017][ T6814] Code: Bad RIP value. [ 1664.502091][ T6814] RSP: 002b:00007fff99286898 EFLAGS: 00010246 [ 1664.508157][ T6814] RAX: 0000000000000000 RBX: 000000000018f0dc RCX: 000000000045b030 [ 1664.516132][ T6814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff992868a0 [ 1664.524120][ T6814] RBP: 000000000000086a R08: 0000000000000001 R09: 00000000017f2940 [ 1664.532100][ T6814] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1664.540086][ T6814] R13: 00007fff992868f0 R14: 000000000018f0dc R15: 00007fff99286900 [ 1664.561848][ T6814] Mem-Info: [ 1664.565182][ T6814] active_anon:245300 inactive_anon:4132 isolated_anon:0 [ 1664.565182][ T6814] active_file:244 inactive_file:195 isolated_file:0 [ 1664.565182][ T6814] unevictable:0 dirty:421 writeback:0 [ 1664.565182][ T6814] slab_reclaimable:14749 slab_unreclaimable:104379 [ 1664.565182][ T6814] mapped:53381 shmem:4360 pagetables:11625 bounce:0 [ 1664.565182][ T6814] free:13660 free_pcp:240 free_cma:0 [ 1664.602888][ T6814] Node 0 active_anon:981044kB inactive_anon:16524kB active_file:468kB inactive_file:1220kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 825344kB writeback_tmp:0kB kernel_stack:21472kB all_unreclaimable? no [ 1664.642974][ T6814] Node 1 active_anon:156kB inactive_anon:4kB active_file:20kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1664.701559][ T6814] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1664.743956][ T6814] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1664.749980][ T6814] Node 0 DMA32 free:17508kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:976948kB inactive_anon:16524kB active_file:964kB inactive_file:596kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:46412kB bounce:0kB free_pcp:668kB local_pcp:248kB free_cma:0kB [ 1664.782258][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1664.799582][ T6814] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1664.842147][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1664.848614][ T6814] Node 1 Normal free:26972kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:20kB inactive_file:32kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 1664.888660][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1664.894818][ T6814] Node 0 DMA: 0*4kB 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10160kB [ 1664.910663][ T6814] Node 0 DMA32: 1963*4kB (ME) 549*8kB (ME) 179*16kB (ME) 65*32kB (M) 1*64kB (M) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17508kB [ 1664.926232][ T6814] 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 [ 1664.937808][ T6814] Node 1 Normal: 15*4kB (UME) 14*8kB (UME) 9*16kB (UME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26972kB [ 1664.958406][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1664.968552][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1664.985714][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1664.996089][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1665.011800][ T6814] 4799 total pagecache pages [ 1665.036005][ T6814] 0 pages in swap cache [ 1665.040188][ T6814] Swap cache stats: add 0, delete 0, find 0/0 [ 1665.058663][ T6814] Free swap = 0kB [ 1665.062404][ T6814] Total swap = 0kB [ 1665.066284][ T6814] 1965979 pages RAM [ 1665.070092][ T6814] 0 pages HighMem/MovableOnly [ 1665.087506][ T6814] 349901 pages reserved [ 1665.091712][ T6814] 0 pages cma reserved [ 1665.095892][ T6814] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=17485,uid=0 [ 1665.111729][ T6814] Out of memory: Killed process 17485 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1665.142490][ T1151] oom_reaper: reaped process 17485 (syz-executor.1), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1665.187168][ T7146] syz-executor.3 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1665.273437][ T7146] CPU: 0 PID: 7146 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1665.283264][ T7146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1665.293328][ T7146] Call Trace: [ 1665.296648][ T7146] dump_stack+0x18f/0x20d [ 1665.300985][ T7146] dump_header+0x106/0x60f [ 1665.305409][ T7146] oom_kill_process.cold+0x10/0x15 [ 1665.310525][ T7146] out_of_memory+0x326/0x1340 [ 1665.315210][ T7146] ? oom_killer_disable+0x270/0x270 [ 1665.320412][ T7146] ? mutex_trylock+0x246/0x2c0 [ 1665.325187][ T7146] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1665.331875][ T7146] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1665.338514][ T7146] ? warn_alloc+0x120/0x120 [ 1665.343043][ T7146] ? fs_reclaim_release+0x94/0xf0 [ 1665.348082][ T7146] ? lock_is_held_type+0xb0/0xe0 [ 1665.353027][ T7146] ? find_get_entry+0x3b2/0x8a0 [ 1665.357891][ T7146] __alloc_pages_nodemask+0x5a3/0x700 [ 1665.363297][ T7146] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1665.370089][ T7146] ? page_cache_readahead_unbounded+0x572/0x850 [ 1665.376343][ T7146] ? __lock_page_or_retry+0x650/0x650 [ 1665.381723][ T7146] alloc_pages_current+0x187/0x280 [ 1665.387627][ T7146] __page_cache_alloc+0x31e/0x450 [ 1665.392659][ T7146] pagecache_get_page+0x2a6/0xf70 [ 1665.397688][ T7146] ? __do_page_cache_readahead+0xc2/0xf0 [ 1665.403330][ T7146] filemap_fault+0x1a94/0x2ab0 [ 1665.408130][ T7146] ext4_filemap_fault+0x87/0xb6 [ 1665.413006][ T7146] __do_fault+0x10d/0x4d0 [ 1665.417344][ T7146] handle_mm_fault+0x37a3/0x43f0 [ 1665.422291][ T7146] ? apply_to_existing_page_range+0x40/0x40 [ 1665.428223][ T7146] ? vmacache_update+0xce/0x140 [ 1665.433085][ T7146] do_user_addr_fault+0x5a2/0xd00 [ 1665.438114][ T7146] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1665.443669][ T7146] exc_page_fault+0xab/0x170 [ 1665.448271][ T7146] ? asm_exc_page_fault+0x8/0x30 [ 1665.453209][ T7146] asm_exc_page_fault+0x1e/0x30 [ 1665.458061][ T7146] RIP: 0033:0x45b030 [ 1665.461949][ T7146] Code: Bad RIP value. [ 1665.466010][ T7146] RSP: 002b:00007ffdbb88d318 EFLAGS: 00010246 [ 1665.472076][ T7146] RAX: 0000000000000000 RBX: 000000000018f234 RCX: 000000000045b030 [ 1665.480050][ T7146] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffdbb88d320 [ 1665.488021][ T7146] RBP: 00000000000007ef R08: 0000000000000001 R09: 000000000224b940 [ 1665.495994][ T7146] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 1665.503994][ T7146] R13: 00007ffdbb88d370 R14: 000000000018f0c8 R15: 00007ffdbb88d380 [ 1665.526531][ T7146] Mem-Info: [ 1665.529681][ T7146] active_anon:244758 inactive_anon:4132 isolated_anon:0 [ 1665.529681][ T7146] active_file:241 inactive_file:206 isolated_file:0 [ 1665.529681][ T7146] unevictable:0 dirty:421 writeback:0 [ 1665.529681][ T7146] slab_reclaimable:14749 slab_unreclaimable:104286 [ 1665.529681][ T7146] mapped:53381 shmem:4360 pagetables:11598 bounce:0 [ 1665.529681][ T7146] free:13758 free_pcp:125 free_cma:0 [ 1665.607585][ T7146] Node 0 active_anon:978876kB inactive_anon:16524kB active_file:844kB inactive_file:868kB unevictable:0kB isolated(anon):0kB isolated(file):92kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 823296kB writeback_tmp:0kB kernel_stack:21440kB all_unreclaimable? no [ 1665.672779][ T7146] Node 1 active_anon:156kB inactive_anon:4kB active_file:20kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1665.730333][ T7146] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1665.764668][ T7146] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1665.770430][ T7146] Node 0 DMA32 free:17600kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:974780kB inactive_anon:16524kB active_file:376kB inactive_file:1432kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:46304kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1665.844807][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1665.849532][ T7146] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1665.877616][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1665.882372][ T7146] Node 1 Normal free:26892kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:20kB inactive_file:24kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 1665.911647][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1665.916406][ T7146] Node 0 DMA: 0*4kB 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10160kB [ 1665.932849][ T7146] Node 0 DMA32: 1976*4kB (UME) 557*8kB (UME) 173*16kB (UME) 77*32kB (UME) 2*64kB (UM) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17848kB [ 1665.948250][ T7146] 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 [ 1665.960029][ T7146] Node 1 Normal: 13*4kB (ME) 13*8kB (ME) 9*16kB (UME) 9*32kB (ME) 5*64kB (ME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26892kB [ 1665.976972][ T7146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1665.987949][ T7146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1666.006534][ T7146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1666.016770][ T7146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1666.027099][ T7146] 4814 total pagecache pages [ 1666.031697][ T7146] 0 pages in swap cache [ 1666.035901][ T7146] Swap cache stats: add 0, delete 0, find 0/0 [ 1666.042016][ T7146] Free swap = 0kB [ 1666.046847][ T7146] Total swap = 0kB [ 1666.050574][ T7146] 1965979 pages RAM [ 1666.054434][ T7146] 0 pages HighMem/MovableOnly [ 1666.059140][ T7146] 349901 pages reserved [ 1666.063404][ T7146] 0 pages cma reserved [ 1666.067691][ T7146] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=17472,uid=0 [ 1666.091018][ T7146] Out of memory: Killed process 17472 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1666.282426][ T6797] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1666.346612][ T6797] CPU: 1 PID: 6797 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1666.356099][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1666.366161][ T6797] Call Trace: [ 1666.369476][ T6797] dump_stack+0x18f/0x20d [ 1666.373821][ T6797] dump_header+0x106/0x60f [ 1666.378253][ T6797] oom_kill_process.cold+0x10/0x15 [ 1666.383376][ T6797] out_of_memory+0x326/0x1340 [ 1666.388070][ T6797] ? oom_killer_disable+0x270/0x270 [ 1666.393276][ T6797] ? mutex_trylock+0x246/0x2c0 [ 1666.398054][ T6797] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1666.404764][ T6797] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1666.411351][ T6797] ? warn_alloc+0x120/0x120 [ 1666.415928][ T6797] ? fs_reclaim_release+0x94/0xf0 [ 1666.420946][ T6797] ? lock_is_held_type+0xb0/0xe0 [ 1666.425872][ T6797] ? find_get_entry+0x3b2/0x8a0 [ 1666.430725][ T6797] __alloc_pages_nodemask+0x5a3/0x700 [ 1666.436105][ T6797] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1666.442872][ T6797] ? page_cache_readahead_unbounded+0x572/0x850 [ 1666.449106][ T6797] ? __lock_page_or_retry+0x650/0x650 [ 1666.454475][ T6797] alloc_pages_current+0x187/0x280 [ 1666.459580][ T6797] __page_cache_alloc+0x31e/0x450 [ 1666.464597][ T6797] pagecache_get_page+0x2a6/0xf70 [ 1666.470308][ T6797] ? __do_page_cache_readahead+0xc2/0xf0 [ 1666.475936][ T6797] filemap_fault+0x1a94/0x2ab0 [ 1666.480710][ T6797] ext4_filemap_fault+0x87/0xb6 [ 1666.485552][ T6797] __do_fault+0x10d/0x4d0 [ 1666.489873][ T6797] handle_mm_fault+0x37a3/0x43f0 [ 1666.494808][ T6797] ? apply_to_existing_page_range+0x40/0x40 [ 1666.500711][ T6797] ? vmacache_update+0xce/0x140 [ 1666.505552][ T6797] do_user_addr_fault+0x5a2/0xd00 [ 1666.510591][ T6797] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1666.516148][ T6797] exc_page_fault+0xab/0x170 [ 1666.520746][ T6797] ? asm_exc_page_fault+0x8/0x30 [ 1666.525670][ T6797] asm_exc_page_fault+0x1e/0x30 [ 1666.530501][ T6797] RIP: 0033:0x437d60 [ 1666.534373][ T6797] Code: Bad RIP value. [ 1666.538422][ T6797] RSP: 002b:000000c000040728 EFLAGS: 00010206 [ 1666.544468][ T6797] RAX: 0000000000000000 RBX: 000000c000042380 RCX: 0000017cc53fb603 [ 1666.552431][ T6797] RDX: 0000000017a93a1a RSI: 0000000000000663 RDI: 00007ffebc9ed080 [ 1666.560387][ T6797] RBP: 000000c000040750 R08: 0000000000000000 R09: 00007ffebc9ed090 [ 1666.568341][ T6797] R10: 000000000004eea4 R11: 0000000000000202 R12: 00000189b172fbd3 [ 1666.576308][ T6797] R13: 0000000000000001 R14: 00000189b172fbd3 R15: 0000000000000000 [ 1666.622691][ T6797] Mem-Info: [ 1666.625876][ T6797] active_anon:244216 inactive_anon:4132 isolated_anon:0 [ 1666.625876][ T6797] active_file:129 inactive_file:278 isolated_file:5 [ 1666.625876][ T6797] unevictable:0 dirty:421 writeback:0 [ 1666.625876][ T6797] slab_reclaimable:14749 slab_unreclaimable:104524 [ 1666.625876][ T6797] mapped:53381 shmem:4360 pagetables:11571 bounce:0 [ 1666.625876][ T6797] free:13726 free_pcp:0 free_cma:0 [ 1666.662778][ T6797] Node 0 active_anon:976708kB inactive_anon:16524kB active_file:824kB inactive_file:936kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 821248kB writeback_tmp:0kB kernel_stack:21408kB all_unreclaimable? no [ 1666.692479][ T6797] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1666.722528][ T6797] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1666.772557][ T6797] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1666.778397][ T6797] Node 0 DMA32 free:17792kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:972612kB inactive_anon:16524kB active_file:884kB inactive_file:624kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:46196kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1666.809094][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1666.813872][ T6797] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1666.841989][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1666.846736][ T6797] Node 1 Normal free:26952kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:24kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1666.880454][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1666.891076][ T6797] Node 0 DMA: 0*4kB 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10160kB [ 1666.922781][ T6797] Node 0 DMA32: 1991*4kB (ME) 547*8kB (UME) 175*16kB (UME) 73*32kB (UME) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17540kB [ 1666.946217][ T6797] 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 [ 1666.958716][ T6797] Node 1 Normal: 14*4kB (UME) 14*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26952kB [ 1666.975835][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1666.987757][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1667.009379][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1667.019091][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1667.028380][ T6797] 4812 total pagecache pages [ 1667.033002][ T6797] 0 pages in swap cache [ 1667.037148][ T6797] Swap cache stats: add 0, delete 0, find 0/0 [ 1667.043407][ T6797] Free swap = 0kB [ 1667.047121][ T6797] Total swap = 0kB [ 1667.050828][ T6797] 1965979 pages RAM [ 1667.054713][ T6797] 0 pages HighMem/MovableOnly [ 1667.059385][ T6797] 349901 pages reserved [ 1667.063572][ T6797] 0 pages cma reserved [ 1667.067661][ T6797] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=17465,uid=0 [ 1667.083738][ T6797] Out of memory: Killed process 17465 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1667.145392][ T6968] syz-executor.1 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1667.173392][ T6968] CPU: 0 PID: 6968 Comm: syz-executor.1 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1667.183399][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1667.193455][ T6968] Call Trace: [ 1667.196753][ T6968] dump_stack+0x18f/0x20d [ 1667.201090][ T6968] dump_header+0x106/0x60f [ 1667.205515][ T6968] oom_kill_process.cold+0x10/0x15 [ 1667.210661][ T6968] out_of_memory+0x326/0x1340 [ 1667.215350][ T6968] ? oom_killer_disable+0x270/0x270 [ 1667.220541][ T6968] ? mutex_trylock+0x246/0x2c0 [ 1667.225305][ T6968] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1667.231962][ T6968] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1667.238567][ T6968] ? warn_alloc+0x120/0x120 [ 1667.243075][ T6968] ? fs_reclaim_release+0x94/0xf0 [ 1667.248096][ T6968] ? lock_is_held_type+0xb0/0xe0 [ 1667.253031][ T6968] ? find_get_entry+0x3b2/0x8a0 [ 1667.257895][ T6968] __alloc_pages_nodemask+0x5a3/0x700 [ 1667.263304][ T6968] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1667.270085][ T6968] ? page_cache_readahead_unbounded+0x572/0x850 [ 1667.276337][ T6968] ? __lock_page_or_retry+0x650/0x650 [ 1667.281746][ T6968] alloc_pages_current+0x187/0x280 [ 1667.286877][ T6968] __page_cache_alloc+0x31e/0x450 [ 1667.291915][ T6968] pagecache_get_page+0x2a6/0xf70 [ 1667.296960][ T6968] ? __do_page_cache_readahead+0xc2/0xf0 [ 1667.302607][ T6968] filemap_fault+0x1a94/0x2ab0 [ 1667.307390][ T6968] ext4_filemap_fault+0x87/0xb6 [ 1667.312253][ T6968] __do_fault+0x10d/0x4d0 [ 1667.316598][ T6968] handle_mm_fault+0x37a3/0x43f0 [ 1667.321550][ T6968] ? apply_to_existing_page_range+0x40/0x40 [ 1667.327553][ T6968] ? vmacache_update+0xce/0x140 [ 1667.332446][ T6968] do_user_addr_fault+0x5a2/0xd00 [ 1667.337490][ T6968] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1667.343055][ T6968] exc_page_fault+0xab/0x170 [ 1667.347658][ T6968] ? asm_exc_page_fault+0x8/0x30 [ 1667.352599][ T6968] asm_exc_page_fault+0x1e/0x30 [ 1667.357455][ T6968] RIP: 0033:0x4169ca [ 1667.361344][ T6968] Code: Bad RIP value. [ 1667.365407][ T6968] RSP: 002b:00007ffea7909038 EFLAGS: 00010246 [ 1667.371497][ T6968] RAX: 0000000000000505 RBX: 0000000000fed940 RCX: 00000000004169ca [ 1667.379501][ T6968] RDX: 0000000040000000 RSI: 00007ffea7909070 RDI: ffffffffffffffff [ 1667.388171][ T6968] RBP: 00000000000007b9 R08: 0000000000000001 R09: 0000000000000001 [ 1667.396148][ T6968] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1667.404128][ T6968] R13: 00007ffea7909070 R14: 0000000000fed99b R15: 00007ffea7909080 [ 1667.459432][ T6968] Mem-Info: [ 1667.462633][ T6968] active_anon:243681 inactive_anon:4132 isolated_anon:0 [ 1667.462633][ T6968] active_file:245 inactive_file:215 isolated_file:5 [ 1667.462633][ T6968] unevictable:0 dirty:421 writeback:0 [ 1667.462633][ T6968] slab_reclaimable:14749 slab_unreclaimable:104188 [ 1667.462633][ T6968] mapped:53381 shmem:4360 pagetables:11571 bounce:0 [ 1667.462633][ T6968] free:13669 free_pcp:124 free_cma:0 [ 1667.506896][ T6968] Node 0 active_anon:974568kB inactive_anon:16524kB active_file:644kB inactive_file:1092kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 821248kB writeback_tmp:0kB kernel_stack:21344kB all_unreclaimable? yes [ 1667.538779][ T6968] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1667.582069][ T6968] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1667.665186][ T6968] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1667.670991][ T6968] Node 0 DMA32 free:17524kB min:40012kB low:48988kB high:57964kB reserved_highatomic:0KB active_anon:970452kB inactive_anon:16524kB active_file:1044kB inactive_file:832kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:46088kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1667.701621][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1667.706403][ T6968] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1667.736565][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1667.741273][ T6968] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1667.775986][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1667.780740][ T6968] Node 0 DMA: 0*4kB 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10160kB [ 1667.795591][ T6968] Node 0 DMA32: 1943*4kB (UME) 550*8kB (UME) 175*16kB (UME) 73*32kB (UME) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17372kB [ 1667.810540][ T6968] 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 [ 1667.830195][ T6968] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1667.854115][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1667.864041][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1667.874777][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1667.884929][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1667.896607][ T6968] 4812 total pagecache pages [ 1667.901206][ T6968] 0 pages in swap cache [ 1667.905418][ T6968] Swap cache stats: add 0, delete 0, find 0/0 [ 1667.911484][ T6968] Free swap = 0kB [ 1667.915627][ T6968] Total swap = 0kB [ 1667.919440][ T6968] 1965979 pages RAM [ 1667.923630][ T6968] 0 pages HighMem/MovableOnly [ 1667.928317][ T6968] 349901 pages reserved [ 1667.932469][ T6968] 0 pages cma reserved [ 1667.936582][ T6968] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=17446,uid=0 [ 1667.950989][ T6968] Out of memory: Killed process 17446 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1667.974470][ T1151] oom_reaper: reaped process 17446 (syz-executor.1), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1668.000403][ T6968] syz-executor.1 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1668.038984][ T6968] CPU: 1 PID: 6968 Comm: syz-executor.1 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1668.048807][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1668.058881][ T6968] Call Trace: [ 1668.062191][ T6968] dump_stack+0x18f/0x20d [ 1668.066538][ T6968] dump_header+0x106/0x60f [ 1668.070976][ T6968] oom_kill_process.cold+0x10/0x15 [ 1668.076135][ T6968] out_of_memory+0x326/0x1340 [ 1668.080850][ T6968] ? oom_killer_disable+0x270/0x270 [ 1668.086068][ T6968] ? mutex_trylock+0x246/0x2c0 [ 1668.090846][ T6968] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1668.097550][ T6968] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1668.104175][ T6968] ? warn_alloc+0x120/0x120 [ 1668.108739][ T6968] ? fs_reclaim_release+0x94/0xf0 [ 1668.113757][ T6968] ? lock_is_held_type+0xb0/0xe0 [ 1668.118690][ T6968] ? find_get_entry+0x3b2/0x8a0 [ 1668.123535][ T6968] __alloc_pages_nodemask+0x5a3/0x700 [ 1668.128905][ T6968] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1668.135685][ T6968] ? page_cache_readahead_unbounded+0x572/0x850 [ 1668.141932][ T6968] ? __lock_page_or_retry+0x650/0x650 [ 1668.147303][ T6968] alloc_pages_current+0x187/0x280 [ 1668.152417][ T6968] __page_cache_alloc+0x31e/0x450 [ 1668.157433][ T6968] pagecache_get_page+0x2a6/0xf70 [ 1668.162443][ T6968] ? __do_page_cache_readahead+0xc2/0xf0 [ 1668.168065][ T6968] filemap_fault+0x1a94/0x2ab0 [ 1668.172826][ T6968] ext4_filemap_fault+0x87/0xb6 [ 1668.177688][ T6968] __do_fault+0x10d/0x4d0 [ 1668.182000][ T6968] handle_mm_fault+0x37a3/0x43f0 [ 1668.186926][ T6968] ? apply_to_existing_page_range+0x40/0x40 [ 1668.192820][ T6968] ? vmacache_update+0xce/0x140 [ 1668.197673][ T6968] do_user_addr_fault+0x5a2/0xd00 [ 1668.202690][ T6968] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1668.208224][ T6968] exc_page_fault+0xab/0x170 [ 1668.212806][ T6968] ? asm_exc_page_fault+0x8/0x30 [ 1668.217748][ T6968] asm_exc_page_fault+0x1e/0x30 [ 1668.222577][ T6968] RIP: 0033:0x4169ca [ 1668.226470][ T6968] Code: Bad RIP value. [ 1668.230531][ T6968] RSP: 002b:00007ffea7909038 EFLAGS: 00010246 [ 1668.236594][ T6968] RAX: 0000000000000505 RBX: 0000000000fed940 RCX: 00000000004169ca [ 1668.244556][ T6968] RDX: 0000000040000000 RSI: 00007ffea7909070 RDI: ffffffffffffffff [ 1668.252516][ T6968] RBP: 00000000000007b9 R08: 0000000000000001 R09: 0000000000000001 [ 1668.260491][ T6968] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1668.268465][ T6968] R13: 00007ffea7909070 R14: 0000000000fed99b R15: 00007ffea7909080 [ 1668.312894][ T6968] Mem-Info: [ 1668.316046][ T6968] active_anon:243138 inactive_anon:4132 isolated_anon:0 [ 1668.316046][ T6968] active_file:219 inactive_file:194 isolated_file:45 [ 1668.316046][ T6968] unevictable:0 dirty:421 writeback:0 [ 1668.316046][ T6968] slab_reclaimable:14749 slab_unreclaimable:104162 [ 1668.316046][ T6968] mapped:53381 shmem:4360 pagetables:11544 bounce:0 [ 1668.316046][ T6968] free:13712 free_pcp:0 free_cma:0 [ 1668.353902][ T6968] Node 0 active_anon:972396kB inactive_anon:16524kB active_file:1080kB inactive_file:684kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 819200kB writeback_tmp:0kB kernel_stack:21344kB all_unreclaimable? no [ 1668.383938][ T6968] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1668.412818][ T6968] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1668.444391][ T6968] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1668.450202][ T6968] Node 0 DMA32 free:17700kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:968300kB inactive_anon:16524kB active_file:564kB inactive_file:1476kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:46088kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1668.480781][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1668.487696][ C0] aoe: skb alloc failure [ 1668.487826][ C0] aoe: skb alloc failure [ 1668.487863][ C0] aoe: skb alloc failure [ 1668.487899][ C0] aoe: skb alloc failure [ 1668.487936][ C0] aoe: skb alloc failure [ 1668.487973][ C0] aoe: skb alloc failure [ 1668.488009][ C0] aoe: skb alloc failure [ 1668.488046][ C0] aoe: skb alloc failure [ 1668.488082][ C0] aoe: skb alloc failure [ 1668.488119][ C0] aoe: skb alloc failure [ 1668.488155][ C0] aoe: skb alloc failure [ 1668.488191][ C0] aoe: skb alloc failure [ 1668.488228][ C0] aoe: skb alloc failure [ 1668.488273][ C0] aoe: skb alloc failure [ 1668.488310][ C0] aoe: skb alloc failure [ 1668.488347][ C0] aoe: skb alloc failure [ 1668.488383][ C0] aoe: skb alloc failure [ 1668.488418][ C0] aoe: skb alloc failure [ 1668.488452][ C0] aoe: skb alloc failure [ 1668.488488][ C0] aoe: skb alloc failure [ 1668.488525][ C0] aoe: skb alloc failure [ 1668.488560][ C0] aoe: skb alloc failure [ 1668.597792][ T6968] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1668.624529][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1668.629262][ T6968] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1668.698707][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1668.710122][ T6968] Node 0 DMA: 0*4kB 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10160kB [ 1668.724629][ T6968] Node 0 DMA32: 1941*4kB (UME) 525*8kB (UME) 169*16kB (UME) 69*32kB (ME) 1*64kB (U) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17708kB [ 1668.740126][ T6968] 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 [ 1668.751579][ T6968] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1668.768616][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1668.778237][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1668.801280][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1668.834597][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1668.849136][ T6968] 4814 total pagecache pages [ 1668.853801][ T6968] 0 pages in swap cache [ 1668.857942][ T6968] Swap cache stats: add 0, delete 0, find 0/0 [ 1668.881052][ T6968] Free swap = 0kB [ 1668.884861][ T6968] Total swap = 0kB [ 1668.888596][ T6968] 1965979 pages RAM [ 1668.892402][ T6968] 0 pages HighMem/MovableOnly [ 1668.923015][ T6968] 349901 pages reserved [ 1668.927184][ T6968] 0 pages cma reserved [ 1668.931250][ T6968] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=16715,uid=0 [ 1668.970654][ T6968] Out of memory: Killed process 16715 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1669.027512][ T6508] in:imklog invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1669.061989][ T6508] CPU: 1 PID: 6508 Comm: in:imklog Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1669.071376][ T6508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1669.081418][ T6508] Call Trace: [ 1669.084695][ T6508] dump_stack+0x18f/0x20d [ 1669.089006][ T6508] dump_header+0x106/0x60f [ 1669.093405][ T6508] oom_kill_process.cold+0x10/0x15 [ 1669.105541][ T6508] out_of_memory+0x326/0x1340 [ 1669.110203][ T6508] ? oom_killer_disable+0x270/0x270 [ 1669.115383][ T6508] ? mutex_trylock+0x246/0x2c0 [ 1669.120132][ T6508] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1669.126818][ T6508] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1669.133421][ T6508] ? warn_alloc+0x120/0x120 [ 1669.137909][ T6508] ? fs_reclaim_release+0x94/0xf0 [ 1669.142924][ T6508] ? lock_is_held_type+0xb0/0xe0 [ 1669.147844][ T6508] ? find_get_entry+0x3b2/0x8a0 [ 1669.152684][ T6508] __alloc_pages_nodemask+0x5a3/0x700 [ 1669.158930][ T6508] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1669.165694][ T6508] ? page_cache_readahead_unbounded+0x572/0x850 [ 1669.171933][ T6508] ? __lock_page_or_retry+0x650/0x650 [ 1669.177306][ T6508] alloc_pages_current+0x187/0x280 [ 1669.182400][ T6508] __page_cache_alloc+0x31e/0x450 [ 1669.187407][ T6508] pagecache_get_page+0x2a6/0xf70 [ 1669.192427][ T6508] ? __do_page_cache_readahead+0xc2/0xf0 [ 1669.198059][ T6508] filemap_fault+0x1a94/0x2ab0 [ 1669.202815][ T6508] ext4_filemap_fault+0x87/0xb6 [ 1669.207649][ T6508] __do_fault+0x10d/0x4d0 [ 1669.211985][ T6508] handle_mm_fault+0x37a3/0x43f0 [ 1669.216912][ T6508] ? apply_to_existing_page_range+0x40/0x40 [ 1669.222808][ T6508] do_user_addr_fault+0x5a2/0xd00 [ 1669.227827][ T6508] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1669.233359][ T6508] exc_page_fault+0xab/0x170 [ 1669.237951][ T6508] ? asm_exc_page_fault+0x8/0x30 [ 1669.242892][ T6508] asm_exc_page_fault+0x1e/0x30 [ 1669.247765][ T6508] RIP: 0033:0x7fefec55522d [ 1669.252172][ T6508] Code: Bad RIP value. [ 1669.256318][ T6508] RSP: 002b:00007fefe9ef1580 EFLAGS: 00010293 [ 1669.262366][ T6508] RAX: 0000000000000955 RBX: 0000000000000000 RCX: 00007fefec55522d [ 1669.270352][ T6508] RDX: 0000000000001fa0 RSI: 00007fefe9ef1da0 RDI: 0000000000000004 [ 1669.278330][ T6508] RBP: 00005623e0e7c9d0 R08: 0000000000000000 R09: 0000000000000000 [ 1669.286287][ T6508] R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007fefe9ef1da0 [ 1669.294247][ T6508] R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007fefe9ef3c5e [ 1669.320783][ T6508] Mem-Info: [ 1669.324017][ T6508] active_anon:242598 inactive_anon:4132 isolated_anon:0 [ 1669.324017][ T6508] active_file:182 inactive_file:267 isolated_file:0 [ 1669.324017][ T6508] unevictable:0 dirty:421 writeback:0 [ 1669.324017][ T6508] slab_reclaimable:14748 slab_unreclaimable:104054 [ 1669.324017][ T6508] mapped:53381 shmem:4360 pagetables:11517 bounce:0 [ 1669.324017][ T6508] free:13676 free_pcp:0 free_cma:0 [ 1669.361031][ T6508] Node 0 active_anon:970236kB inactive_anon:16524kB active_file:660kB inactive_file:1092kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 817152kB writeback_tmp:0kB kernel_stack:21280kB all_unreclaimable? no [ 1669.391620][ T6508] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1669.419374][ T6508] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1669.448590][ T6508] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1669.454438][ T6508] Node 0 DMA32 free:17556kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:966140kB inactive_anon:16524kB active_file:1356kB inactive_file:876kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:45980kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1669.484885][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1669.489651][ T6508] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1669.516536][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1669.521295][ T6508] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1669.550806][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1669.556945][ T6508] Node 0 DMA: 0*4kB 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10160kB [ 1669.571405][ T6508] Node 0 DMA32: 1945*4kB (UME) 541*8kB (UME) 166*16kB (ME) 69*32kB (ME) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17932kB [ 1669.587214][ T6508] 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 [ 1669.598743][ T6508] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1669.623039][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1669.633231][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1669.642580][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1669.652599][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1669.662800][ T6508] 4812 total pagecache pages [ 1669.667397][ T6508] 0 pages in swap cache [ 1669.671553][ T6508] Swap cache stats: add 0, delete 0, find 0/0 [ 1669.679115][ T6508] Free swap = 0kB [ 1669.682966][ T6508] Total swap = 0kB [ 1669.686693][ T6508] 1965979 pages RAM [ 1669.690510][ T6508] 0 pages HighMem/MovableOnly [ 1669.695250][ T6508] 349901 pages reserved [ 1669.699415][ T6508] 0 pages cma reserved [ 1669.703528][ T6508] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=16711,uid=0 [ 1669.717975][ T6508] Out of memory: Killed process 16711 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1669.791330][ T6508] in:imklog invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1669.807217][ T6508] CPU: 1 PID: 6508 Comm: in:imklog Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1669.816608][ T6508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1669.826671][ T6508] Call Trace: [ 1669.829979][ T6508] dump_stack+0x18f/0x20d [ 1669.834324][ T6508] dump_header+0x106/0x60f [ 1669.838755][ T6508] oom_kill_process.cold+0x10/0x15 [ 1669.843880][ T6508] out_of_memory+0x326/0x1340 [ 1669.848571][ T6508] ? oom_killer_disable+0x270/0x270 [ 1669.853784][ T6508] ? mutex_trylock+0x246/0x2c0 [ 1669.858557][ T6508] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1669.865227][ T6508] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1669.871816][ T6508] ? warn_alloc+0x120/0x120 [ 1669.876308][ T6508] ? fs_reclaim_release+0x94/0xf0 [ 1669.881318][ T6508] ? lock_is_held_type+0xb0/0xe0 [ 1669.886252][ T6508] ? find_get_entry+0x3b2/0x8a0 [ 1669.891090][ T6508] __alloc_pages_nodemask+0x5a3/0x700 [ 1669.896448][ T6508] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1669.903193][ T6508] ? page_cache_readahead_unbounded+0x572/0x850 [ 1669.909417][ T6508] ? __lock_page_or_retry+0x650/0x650 [ 1669.914862][ T6508] alloc_pages_current+0x187/0x280 [ 1669.919981][ T6508] __page_cache_alloc+0x31e/0x450 [ 1669.924992][ T6508] pagecache_get_page+0x2a6/0xf70 [ 1669.930001][ T6508] ? __do_page_cache_readahead+0xc2/0xf0 [ 1669.935695][ T6508] filemap_fault+0x1a94/0x2ab0 [ 1669.940454][ T6508] ext4_filemap_fault+0x87/0xb6 [ 1669.945330][ T6508] __do_fault+0x10d/0x4d0 [ 1669.949727][ T6508] handle_mm_fault+0x37a3/0x43f0 [ 1669.954664][ T6508] ? apply_to_existing_page_range+0x40/0x40 [ 1669.961511][ T6508] do_user_addr_fault+0x5a2/0xd00 [ 1669.966544][ T6508] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1669.972080][ T6508] exc_page_fault+0xab/0x170 [ 1669.976658][ T6508] ? asm_exc_page_fault+0x8/0x30 [ 1669.981605][ T6508] asm_exc_page_fault+0x1e/0x30 [ 1669.986444][ T6508] RIP: 0033:0x7fefec55522d [ 1669.990837][ T6508] Code: Bad RIP value. [ 1669.994885][ T6508] RSP: 002b:00007fefe9ef1580 EFLAGS: 00010293 [ 1670.000931][ T6508] RAX: 0000000000000955 RBX: 0000000000000000 RCX: 00007fefec55522d [ 1670.008893][ T6508] RDX: 0000000000001fa0 RSI: 00007fefe9ef1da0 RDI: 0000000000000004 [ 1670.016870][ T6508] RBP: 00005623e0e7c9d0 R08: 0000000000000000 R09: 0000000000000000 [ 1670.024845][ T6508] R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007fefe9ef1da0 [ 1670.032810][ T6508] R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007fefe9ef3c5e [ 1670.058707][ T6508] Mem-Info: [ 1670.062059][ T6508] active_anon:242058 inactive_anon:4132 isolated_anon:0 [ 1670.062059][ T6508] active_file:223 inactive_file:227 isolated_file:0 [ 1670.062059][ T6508] unevictable:0 dirty:421 writeback:0 [ 1670.062059][ T6508] slab_reclaimable:14748 slab_unreclaimable:104312 [ 1670.062059][ T6508] mapped:53381 shmem:4360 pagetables:11490 bounce:0 [ 1670.062059][ T6508] free:13997 free_pcp:132 free_cma:0 [ 1670.099288][ T6508] Node 0 active_anon:968076kB inactive_anon:16524kB active_file:1092kB inactive_file:604kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 815104kB writeback_tmp:0kB kernel_stack:21248kB all_unreclaimable? yes [ 1670.129179][ T6508] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1670.156240][ T6508] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1670.186400][ T6508] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1670.192156][ T6508] Node 0 DMA32 free:17920kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:963980kB inactive_anon:16524kB active_file:1064kB inactive_file:736kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:45872kB bounce:0kB free_pcp:776kB local_pcp:528kB free_cma:0kB [ 1670.223100][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1670.227801][ T6508] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1670.283220][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1670.287942][ T6508] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1670.320147][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1670.325348][ T6508] Node 0 DMA: 0*4kB 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10160kB [ 1670.362796][ T6508] Node 0 DMA32: 1932*4kB (ME) 547*8kB (UME) 166*16kB (ME) 69*32kB (ME) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17928kB [ 1670.394056][ T6508] 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 [ 1670.405681][ T6508] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1670.424273][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1670.436595][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1670.446046][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1670.455660][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1670.472825][ T6508] 4812 total pagecache pages [ 1670.477426][ T6508] 0 pages in swap cache [ 1670.481561][ T6508] Swap cache stats: add 0, delete 0, find 0/0 [ 1670.502815][ T6508] Free swap = 0kB [ 1670.506566][ T6508] Total swap = 0kB [ 1670.510288][ T6508] 1965979 pages RAM [ 1670.525998][ T6508] 0 pages HighMem/MovableOnly [ 1670.530694][ T6508] 349901 pages reserved [ 1670.547067][ T6508] 0 pages cma reserved [ 1670.551409][ T6508] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=16708,uid=0 [ 1670.592862][ T6508] Out of memory: Killed process 16708 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1670.742890][ T6811] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1670.772899][ T6811] CPU: 1 PID: 6811 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1670.782380][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1670.792442][ T6811] Call Trace: [ 1670.795775][ T6811] dump_stack+0x18f/0x20d [ 1670.800119][ T6811] dump_header+0x106/0x60f [ 1670.804548][ T6811] oom_kill_process.cold+0x10/0x15 [ 1670.809676][ T6811] out_of_memory+0x326/0x1340 [ 1670.814373][ T6811] ? oom_killer_disable+0x270/0x270 [ 1670.819591][ T6811] ? mutex_trylock+0x246/0x2c0 [ 1670.824366][ T6811] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1670.831060][ T6811] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1670.837709][ T6811] ? warn_alloc+0x120/0x120 [ 1670.843040][ T6811] ? fs_reclaim_release+0x94/0xf0 [ 1670.848081][ T6811] ? lock_is_held_type+0xb0/0xe0 [ 1670.853025][ T6811] ? find_get_entry+0x3b2/0x8a0 [ 1670.857880][ T6811] __alloc_pages_nodemask+0x5a3/0x700 [ 1670.863245][ T6811] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1670.869998][ T6811] ? page_cache_readahead_unbounded+0x572/0x850 [ 1670.876228][ T6811] ? __lock_page_or_retry+0x650/0x650 [ 1670.881596][ T6811] alloc_pages_current+0x187/0x280 [ 1670.887498][ T6811] __page_cache_alloc+0x31e/0x450 [ 1670.892513][ T6811] pagecache_get_page+0x2a6/0xf70 [ 1670.897538][ T6811] ? __do_page_cache_readahead+0xc2/0xf0 [ 1670.903159][ T6811] filemap_fault+0x1a94/0x2ab0 [ 1670.908784][ T6811] ext4_filemap_fault+0x87/0xb6 [ 1670.913622][ T6811] __do_fault+0x10d/0x4d0 [ 1670.917958][ T6811] handle_mm_fault+0x37a3/0x43f0 [ 1670.922907][ T6811] ? apply_to_existing_page_range+0x40/0x40 [ 1670.928818][ T6811] do_user_addr_fault+0x5a2/0xd00 [ 1670.933839][ T6811] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1670.939373][ T6811] exc_page_fault+0xab/0x170 [ 1670.943950][ T6811] ? asm_exc_page_fault+0x8/0x30 [ 1670.948873][ T6811] asm_exc_page_fault+0x1e/0x30 [ 1670.953727][ T6811] RIP: 0033:0x460c23 [ 1670.957597][ T6811] Code: Bad RIP value. [ 1670.961659][ T6811] RSP: 002b:000000c00003f6a0 EFLAGS: 00010202 [ 1670.967707][ T6811] RAX: ffffffffffffff92 RBX: 00000000312f1f92 RCX: 0000000000460c23 [ 1670.975674][ T6811] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000001703ac0 [ 1670.983630][ T6811] RBP: 000000c00003f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1670.991598][ T6811] R10: 000000c00003f6d8 R11: 0000000000000202 R12: 0000018908be93a7 [ 1670.999558][ T6811] R13: 0000000000000001 R14: 0000018908be93a7 R15: 0000000000000000 [ 1671.027509][ T6811] Mem-Info: [ 1671.030667][ T6811] active_anon:241518 inactive_anon:4132 isolated_anon:0 [ 1671.030667][ T6811] active_file:370 inactive_file:71 isolated_file:10 [ 1671.030667][ T6811] unevictable:0 dirty:421 writeback:0 [ 1671.030667][ T6811] slab_reclaimable:14737 slab_unreclaimable:104209 [ 1671.030667][ T6811] mapped:53381 shmem:4360 pagetables:11463 bounce:0 [ 1671.030667][ T6811] free:13777 free_pcp:0 free_cma:0 [ 1671.081134][ T6811] Node 0 active_anon:965916kB inactive_anon:16524kB active_file:1412kB inactive_file:256kB unevictable:0kB isolated(anon):0kB isolated(file):40kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 813056kB writeback_tmp:0kB kernel_stack:21248kB all_unreclaimable? no [ 1671.111006][ T6811] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1671.142259][ T6811] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1671.174549][ T6811] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1671.180282][ T6811] Node 0 DMA32 free:17960kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:961820kB inactive_anon:16524kB active_file:192kB inactive_file:1536kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:45764kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1671.215223][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1671.219935][ T6811] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1671.248128][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1671.253098][ T6811] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1671.282079][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1671.286824][ T6811] Node 0 DMA: 0*4kB 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10160kB [ 1671.310226][ T6811] Node 0 DMA32: 1933*4kB (ME) 584*8kB (ME) 168*16kB (UME) 70*32kB (ME) 1*64kB (U) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17652kB [ 1671.336427][ T6811] 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 [ 1671.347956][ T6811] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1671.373793][ T6811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1671.389612][ T6811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1671.400563][ T6811] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1671.410277][ T6811] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1671.431066][ T6811] 4812 total pagecache pages [ 1671.435792][ T6811] 0 pages in swap cache [ 1671.440038][ T6811] Swap cache stats: add 0, delete 0, find 0/0 [ 1671.446315][ T6811] Free swap = 0kB [ 1671.450038][ T6811] Total swap = 0kB [ 1671.459816][ T6811] 1965979 pages RAM [ 1671.463667][ T6811] 0 pages HighMem/MovableOnly [ 1671.468365][ T6811] 349901 pages reserved [ 1671.472513][ T6811] 0 pages cma reserved [ 1671.477972][ T6811] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=16654,uid=0 [ 1671.492355][ T6811] Out of memory: Killed process 16654 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1671.542254][ T6797] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1671.564928][ T6797] CPU: 0 PID: 6797 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1671.574413][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1671.584476][ T6797] Call Trace: [ 1671.587783][ T6797] dump_stack+0x18f/0x20d [ 1671.592123][ T6797] dump_header+0x106/0x60f [ 1671.596541][ T6797] oom_kill_process.cold+0x10/0x15 [ 1671.601650][ T6797] out_of_memory+0x326/0x1340 [ 1671.606331][ T6797] ? oom_killer_disable+0x270/0x270 [ 1671.611553][ T6797] ? mutex_trylock+0x246/0x2c0 [ 1671.616404][ T6797] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1671.623147][ T6797] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1671.630260][ T6797] ? warn_alloc+0x120/0x120 [ 1671.634768][ T6797] ? fs_reclaim_release+0x94/0xf0 [ 1671.639794][ T6797] ? lock_is_held_type+0xb0/0xe0 [ 1671.644717][ T6797] ? find_get_entry+0x3b2/0x8a0 [ 1671.649556][ T6797] __alloc_pages_nodemask+0x5a3/0x700 [ 1671.654928][ T6797] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1671.661723][ T6797] ? page_cache_readahead_unbounded+0x572/0x850 [ 1671.667952][ T6797] ? __lock_page_or_retry+0x650/0x650 [ 1671.673331][ T6797] alloc_pages_current+0x187/0x280 [ 1671.678452][ T6797] __page_cache_alloc+0x31e/0x450 [ 1671.683486][ T6797] pagecache_get_page+0x2a6/0xf70 [ 1671.688533][ T6797] ? __do_page_cache_readahead+0xc2/0xf0 [ 1671.694167][ T6797] filemap_fault+0x1a94/0x2ab0 [ 1671.698959][ T6797] ext4_filemap_fault+0x87/0xb6 [ 1671.703831][ T6797] __do_fault+0x10d/0x4d0 [ 1671.708173][ T6797] handle_mm_fault+0x37a3/0x43f0 [ 1671.713159][ T6797] ? apply_to_existing_page_range+0x40/0x40 [ 1671.719055][ T6797] ? vmacache_update+0xce/0x140 [ 1671.723895][ T6797] do_user_addr_fault+0x5a2/0xd00 [ 1671.728938][ T6797] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1671.734487][ T6797] exc_page_fault+0xab/0x170 [ 1671.739093][ T6797] ? asm_exc_page_fault+0x8/0x30 [ 1671.744041][ T6797] asm_exc_page_fault+0x1e/0x30 [ 1671.748896][ T6797] RIP: 0033:0x437d60 [ 1671.752780][ T6797] Code: Bad RIP value. [ 1671.756840][ T6797] RSP: 002b:000000c000040728 EFLAGS: 00010206 [ 1671.762909][ T6797] RAX: 0000000000000000 RBX: 000000c000042380 RCX: 0000017cc53fb603 [ 1671.770887][ T6797] RDX: 0000000017a93a1a RSI: 0000000000000663 RDI: 00007ffebc9ed080 [ 1671.778866][ T6797] RBP: 000000c000040750 R08: 0000000000000000 R09: 00007ffebc9ed090 [ 1671.786859][ T6797] R10: 000000000004eea4 R11: 0000000000000202 R12: 00000189b172fbd3 [ 1671.794848][ T6797] R13: 0000000000000001 R14: 00000189b172fbd3 R15: 0000000000000000 [ 1671.817854][ T6797] Mem-Info: [ 1671.821217][ T6797] active_anon:240978 inactive_anon:4132 isolated_anon:0 [ 1671.821217][ T6797] active_file:200 inactive_file:229 isolated_file:54 [ 1671.821217][ T6797] unevictable:0 dirty:421 writeback:0 [ 1671.821217][ T6797] slab_reclaimable:14737 slab_unreclaimable:104090 [ 1671.821217][ T6797] mapped:53381 shmem:4360 pagetables:11398 bounce:0 [ 1671.821217][ T6797] free:13771 free_pcp:0 free_cma:0 [ 1671.858461][ T6797] Node 0 active_anon:963756kB inactive_anon:16524kB active_file:884kB inactive_file:984kB unevictable:0kB isolated(anon):0kB isolated(file):88kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 808960kB writeback_tmp:0kB kernel_stack:21216kB all_unreclaimable? no [ 1671.888299][ T6797] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1671.916777][ T6797] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1671.951199][ T6797] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1671.976946][ T6797] Node 0 DMA32 free:17936kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:959660kB inactive_anon:16524kB active_file:1364kB inactive_file:716kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:45504kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1672.015145][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1672.020061][ T6797] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1672.054723][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1672.059642][ T6797] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1672.090384][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1672.095493][ T6797] Node 0 DMA: 0*4kB 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10160kB [ 1672.110173][ T6797] Node 0 DMA32: 1950*4kB (ME) 586*8kB (ME) 168*16kB (ME) 70*32kB (ME) 0*64kB 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18184kB [ 1672.125363][ T6797] 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 [ 1672.136869][ T6797] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1672.156079][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1672.166167][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1672.175557][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1672.185185][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1672.194564][ T6797] 4806 total pagecache pages [ 1672.199155][ T6797] 0 pages in swap cache [ 1672.203954][ T6797] Swap cache stats: add 0, delete 0, find 0/0 [ 1672.210073][ T6797] Free swap = 0kB [ 1672.214023][ T6797] Total swap = 0kB [ 1672.218041][ T6797] 1965979 pages RAM [ 1672.221846][ T6797] 0 pages HighMem/MovableOnly [ 1672.226618][ T6797] 349901 pages reserved [ 1672.230772][ T6797] 0 pages cma reserved [ 1672.234885][ T6797] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=16602,uid=0 [ 1672.249470][ T6797] Out of memory: Killed process 16602 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1672.268588][ T1151] oom_reaper: reaped process 16602 (syz-executor.1), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1672.334766][ T3873] systemd-journal invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1672.357169][ T3873] CPU: 0 PID: 3873 Comm: systemd-journal Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1672.367078][ T3873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1672.377122][ T3873] Call Trace: [ 1672.380406][ T3873] dump_stack+0x18f/0x20d [ 1672.384756][ T3873] dump_header+0x106/0x60f [ 1672.389182][ T3873] oom_kill_process.cold+0x10/0x15 [ 1672.394305][ T3873] out_of_memory+0x326/0x1340 [ 1672.398996][ T3873] ? oom_killer_disable+0x270/0x270 [ 1672.404207][ T3873] ? mutex_trylock+0x246/0x2c0 [ 1672.408980][ T3873] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1672.415678][ T3873] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1672.422308][ T3873] ? warn_alloc+0x120/0x120 [ 1672.426826][ T3873] ? fs_reclaim_release+0x94/0xf0 [ 1672.431893][ T3873] ? lock_is_held_type+0xb0/0xe0 [ 1672.436843][ T3873] ? find_get_entry+0x3b2/0x8a0 [ 1672.441712][ T3873] __alloc_pages_nodemask+0x5a3/0x700 [ 1672.447121][ T3873] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1672.453897][ T3873] ? page_cache_readahead_unbounded+0x572/0x850 [ 1672.460152][ T3873] ? __lock_page_or_retry+0x650/0x650 [ 1672.465542][ T3873] alloc_pages_current+0x187/0x280 [ 1672.470684][ T3873] __page_cache_alloc+0x31e/0x450 [ 1672.475729][ T3873] pagecache_get_page+0x2a6/0xf70 [ 1672.480801][ T3873] ? __do_page_cache_readahead+0xc2/0xf0 [ 1672.486475][ T3873] filemap_fault+0x1a94/0x2ab0 [ 1672.491268][ T3873] ext4_filemap_fault+0x87/0xb6 [ 1672.496135][ T3873] __do_fault+0x10d/0x4d0 [ 1672.500475][ T3873] handle_mm_fault+0x37a3/0x43f0 [ 1672.505432][ T3873] ? apply_to_existing_page_range+0x40/0x40 [ 1672.511357][ T3873] do_user_addr_fault+0x5a2/0xd00 [ 1672.516403][ T3873] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1672.521962][ T3873] exc_page_fault+0xab/0x170 [ 1672.526562][ T3873] ? asm_exc_page_fault+0x8/0x30 [ 1672.531502][ T3873] asm_exc_page_fault+0x1e/0x30 [ 1672.536380][ T3873] RIP: 0033:0x7fb1de32f2e3 [ 1672.540789][ T3873] Code: Bad RIP value. [ 1672.544852][ T3873] RSP: 002b:00007ffe3d83c058 EFLAGS: 00010246 [ 1672.550917][ T3873] RAX: 0000000000000001 RBX: 000055ce75f621e0 RCX: 00007fb1de32f2e3 [ 1672.558895][ T3873] RDX: 0000000000000013 RSI: 00007ffe3d83c060 RDI: 0000000000000008 [ 1672.566878][ T3873] RBP: 00007ffe3d83c250 R08: 0000000000000000 R09: 00007ffe3d91e080 [ 1672.574857][ T3873] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3d83c060 [ 1672.582837][ T3873] R13: 0000000000000001 R14: ffffffffffffffff R15: 0005a9e6550b3dc4 [ 1672.608752][ T3873] Mem-Info: [ 1672.611924][ T3873] active_anon:240432 inactive_anon:4132 isolated_anon:0 [ 1672.611924][ T3873] active_file:225 inactive_file:211 isolated_file:0 [ 1672.611924][ T3873] unevictable:0 dirty:421 writeback:0 [ 1672.611924][ T3873] slab_reclaimable:14736 slab_unreclaimable:104208 [ 1672.611924][ T3873] mapped:53381 shmem:4360 pagetables:11382 bounce:0 [ 1672.611924][ T3873] free:13714 free_pcp:70 free_cma:0 [ 1672.648813][ T3873] Node 0 active_anon:961572kB inactive_anon:16524kB active_file:1504kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 806912kB writeback_tmp:0kB kernel_stack:21152kB all_unreclaimable? no [ 1672.678624][ T3873] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1672.707391][ T3873] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1672.738021][ T3873] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1672.743871][ T3873] Node 0 DMA32 free:17708kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:957476kB inactive_anon:16524kB active_file:1304kB inactive_file:772kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:45440kB bounce:0kB free_pcp:280kB local_pcp:0kB free_cma:0kB [ 1672.774445][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1672.779147][ T3873] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1672.805989][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1672.810692][ T3873] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1672.840913][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1672.845661][ T3873] Node 0 DMA: 0*4kB 2*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10160kB [ 1672.876231][ T3873] Node 0 DMA32: 2010*4kB (UME) 557*8kB (ME) 165*16kB (ME) 68*32kB (UME) 0*64kB 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17440kB [ 1672.900724][ T3873] 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 [ 1672.912241][ T3873] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1672.929402][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1672.939042][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1672.955049][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1672.972817][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1672.982129][ T3873] 4812 total pagecache pages [ 1673.016723][ T3873] 0 pages in swap cache [ 1673.020919][ T3873] Swap cache stats: add 0, delete 0, find 0/0 [ 1673.031319][ T3873] Free swap = 0kB [ 1673.038936][ T3873] Total swap = 0kB [ 1673.046585][ T3873] 1965979 pages RAM [ 1673.050582][ T3873] 0 pages HighMem/MovableOnly [ 1673.059375][ T3873] 349901 pages reserved [ 1673.067013][ T3873] 0 pages cma reserved [ 1673.071357][ T3873] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=16596,uid=0 [ 1673.100296][ T3873] Out of memory: Killed process 16596 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1673.185201][ T3873] systemd-journal invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1673.202570][ T3873] CPU: 0 PID: 3873 Comm: systemd-journal Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1673.212463][ T3873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1673.222608][ T3873] Call Trace: [ 1673.225911][ T3873] dump_stack+0x18f/0x20d [ 1673.230271][ T3873] dump_header+0x106/0x60f [ 1673.234696][ T3873] oom_kill_process.cold+0x10/0x15 [ 1673.239818][ T3873] out_of_memory+0x326/0x1340 [ 1673.244510][ T3873] ? oom_killer_disable+0x270/0x270 [ 1673.249714][ T3873] ? mutex_trylock+0x246/0x2c0 [ 1673.254484][ T3873] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1673.261266][ T3873] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1673.267890][ T3873] ? warn_alloc+0x120/0x120 [ 1673.272410][ T3873] ? fs_reclaim_release+0x94/0xf0 [ 1673.277453][ T3873] ? lock_is_held_type+0xb0/0xe0 [ 1673.282399][ T3873] ? find_get_entry+0x3b2/0x8a0 [ 1673.287269][ T3873] __alloc_pages_nodemask+0x5a3/0x700 [ 1673.292655][ T3873] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1673.299432][ T3873] ? page_cache_readahead_unbounded+0x572/0x850 [ 1673.305687][ T3873] ? __lock_page_or_retry+0x650/0x650 [ 1673.311070][ T3873] alloc_pages_current+0x187/0x280 [ 1673.316198][ T3873] __page_cache_alloc+0x31e/0x450 [ 1673.321232][ T3873] pagecache_get_page+0x2a6/0xf70 [ 1673.326266][ T3873] ? __do_page_cache_readahead+0xc2/0xf0 [ 1673.331900][ T3873] filemap_fault+0x1a94/0x2ab0 [ 1673.336657][ T3873] ext4_filemap_fault+0x87/0xb6 [ 1673.341496][ T3873] __do_fault+0x10d/0x4d0 [ 1673.345821][ T3873] handle_mm_fault+0x37a3/0x43f0 [ 1673.350780][ T3873] ? apply_to_existing_page_range+0x40/0x40 [ 1673.356701][ T3873] do_user_addr_fault+0x5a2/0xd00 [ 1673.361740][ T3873] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1673.368163][ T3873] exc_page_fault+0xab/0x170 [ 1673.372795][ T3873] ? asm_exc_page_fault+0x8/0x30 [ 1673.377745][ T3873] asm_exc_page_fault+0x1e/0x30 [ 1673.382600][ T3873] RIP: 0033:0x7fb1de32f2e3 [ 1673.387016][ T3873] Code: Bad RIP value. [ 1673.391080][ T3873] RSP: 002b:00007ffe3d83c058 EFLAGS: 00010246 [ 1673.397150][ T3873] RAX: 0000000000000001 RBX: 000055ce75f621e0 RCX: 00007fb1de32f2e3 [ 1673.405129][ T3873] RDX: 0000000000000013 RSI: 00007ffe3d83c060 RDI: 0000000000000008 [ 1673.413110][ T3873] RBP: 00007ffe3d83c250 R08: 0000000000000000 R09: 00007ffe3d91e080 [ 1673.421088][ T3873] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3d83c060 [ 1673.429206][ T3873] R13: 0000000000000001 R14: ffffffffffffffff R15: 0005a9e6550b3dc4 [ 1673.520852][ T3873] Mem-Info: [ 1673.524449][ T3873] active_anon:239892 inactive_anon:4132 isolated_anon:0 [ 1673.524449][ T3873] active_file:218 inactive_file:234 isolated_file:0 [ 1673.524449][ T3873] unevictable:0 dirty:421 writeback:0 [ 1673.524449][ T3873] slab_reclaimable:14736 slab_unreclaimable:104446 [ 1673.524449][ T3873] mapped:53381 shmem:4360 pagetables:11355 bounce:0 [ 1673.524449][ T3873] free:13565 free_pcp:139 free_cma:0 [ 1673.562198][ T3873] Node 0 active_anon:959412kB inactive_anon:16524kB active_file:868kB inactive_file:932kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 804864kB writeback_tmp:0kB kernel_stack:21120kB all_unreclaimable? yes [ 1673.622861][ T3873] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1673.680054][ T3873] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1673.754335][ T3873] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1673.760115][ T3873] Node 0 DMA32 free:17112kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:955316kB inactive_anon:16524kB active_file:1520kB inactive_file:812kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:45332kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1673.800294][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1673.806752][ T3873] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1673.869730][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1673.874495][ T3873] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1673.905554][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1673.910265][ T3873] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1673.946910][ T3873] Node 0 DMA32: 1998*4kB (UME) 564*8kB (UME) 165*16kB (ME) 68*32kB (UME) 1*64kB (U) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17640kB [ 1673.980676][ T3873] 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 [ 1673.992269][ T3873] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1674.009617][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1674.021459][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1674.031073][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1674.040715][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1674.050126][ T3873] 4812 total pagecache pages [ 1674.058082][ T3873] 0 pages in swap cache [ 1674.062315][ T3873] Swap cache stats: add 0, delete 0, find 0/0 [ 1674.068844][ T3873] Free swap = 0kB [ 1674.072567][ T3873] Total swap = 0kB [ 1674.076348][ T3873] 1965979 pages RAM [ 1674.080185][ T3873] 0 pages HighMem/MovableOnly [ 1674.085202][ T3873] 349901 pages reserved [ 1674.089555][ T3873] 0 pages cma reserved [ 1674.098619][ T3873] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=16591,uid=0 [ 1674.113550][ T3873] Out of memory: Killed process 16591 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1674.133239][ T1151] oom_reaper: reaped process 16591 (syz-executor.1), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1674.302154][ T7248] syz-executor.4 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1674.314253][ T7248] CPU: 1 PID: 7248 Comm: syz-executor.4 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1674.324042][ T7248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1674.334097][ T7248] Call Trace: [ 1674.337405][ T7248] dump_stack+0x18f/0x20d [ 1674.341742][ T7248] dump_header+0x106/0x60f [ 1674.346162][ T7248] oom_kill_process.cold+0x10/0x15 [ 1674.351286][ T7248] out_of_memory+0x326/0x1340 [ 1674.355958][ T7248] ? oom_killer_disable+0x270/0x270 [ 1674.361241][ T7248] ? mutex_trylock+0x246/0x2c0 [ 1674.366030][ T7248] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1674.372694][ T7248] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1674.379288][ T7248] ? warn_alloc+0x120/0x120 [ 1674.383772][ T7248] ? fs_reclaim_release+0x94/0xf0 [ 1674.388789][ T7248] ? lock_is_held_type+0xb0/0xe0 [ 1674.393713][ T7248] ? find_get_entry+0x3b2/0x8a0 [ 1674.398597][ T7248] __alloc_pages_nodemask+0x5a3/0x700 [ 1674.403962][ T7248] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1674.410730][ T7248] ? page_cache_readahead_unbounded+0x572/0x850 [ 1674.416952][ T7248] ? __lock_page_or_retry+0x650/0x650 [ 1674.422315][ T7248] alloc_pages_current+0x187/0x280 [ 1674.427411][ T7248] __page_cache_alloc+0x31e/0x450 [ 1674.432428][ T7248] pagecache_get_page+0x2a6/0xf70 [ 1674.437444][ T7248] ? __do_page_cache_readahead+0xc2/0xf0 [ 1674.443059][ T7248] filemap_fault+0x1a94/0x2ab0 [ 1674.447808][ T7248] ext4_filemap_fault+0x87/0xb6 [ 1674.452657][ T7248] __do_fault+0x10d/0x4d0 [ 1674.456968][ T7248] handle_mm_fault+0x37a3/0x43f0 [ 1674.461886][ T7248] ? apply_to_existing_page_range+0x40/0x40 [ 1674.467789][ T7248] do_user_addr_fault+0x5a2/0xd00 [ 1674.472823][ T7248] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1674.478373][ T7248] exc_page_fault+0xab/0x170 [ 1674.482944][ T7248] ? asm_exc_page_fault+0x8/0x30 [ 1674.487860][ T7248] asm_exc_page_fault+0x1e/0x30 [ 1674.492702][ T7248] RIP: 0033:0x4106ae [ 1674.496584][ T7248] Code: Bad RIP value. [ 1674.500624][ T7248] RSP: 002b:00007ffee9a46ec0 EFLAGS: 00010206 [ 1674.506670][ T7248] RAX: 000000000018f6f8 RBX: 000000000018f174 RCX: 000000000018f6a0 [ 1674.514723][ T7248] RDX: 0000001b2d320000 RSI: 0000000000000000 RDI: 0000000000000001 [ 1674.522676][ T7248] RBP: 0000000000000b02 R08: 0000000000000001 R09: 00000000012ad940 [ 1674.530625][ T7248] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1674.538576][ T7248] R13: 00007ffee9a46ef0 R14: 000000000018f174 R15: 00007ffee9a46f00 [ 1674.551826][ T7248] Mem-Info: [ 1674.555035][ T7248] active_anon:239350 inactive_anon:4132 isolated_anon:0 [ 1674.555035][ T7248] active_file:433 inactive_file:0 isolated_file:0 [ 1674.555035][ T7248] unevictable:0 dirty:421 writeback:0 [ 1674.555035][ T7248] slab_reclaimable:14725 slab_unreclaimable:104307 [ 1674.555035][ T7248] mapped:53381 shmem:4360 pagetables:11328 bounce:0 [ 1674.555035][ T7248] free:13709 free_pcp:91 free_cma:0 [ 1674.592040][ T7248] Node 0 active_anon:957244kB inactive_anon:16524kB active_file:816kB inactive_file:804kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 802816kB writeback_tmp:0kB kernel_stack:21088kB all_unreclaimable? no [ 1674.621999][ T7248] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1674.649141][ T7248] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1674.692199][ T7248] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1674.698508][ T7248] Node 0 DMA32 free:17680kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:953148kB inactive_anon:16524kB active_file:1092kB inactive_file:972kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:45224kB bounce:0kB free_pcp:364kB local_pcp:116kB free_cma:0kB [ 1674.789516][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1674.794319][ T7248] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1674.846614][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1674.851566][ T7248] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1674.891934][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1674.896767][ T7248] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1674.912707][ T7248] Node 0 DMA32: 1958*4kB (ME) 563*8kB (ME) 165*16kB (ME) 68*32kB (UME) 0*64kB 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17792kB [ 1674.927777][ T7248] 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 [ 1674.939298][ T7248] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1674.960027][ T7248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1674.977458][ T7248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1674.986857][ T7248] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1674.996526][ T7248] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1675.015694][ T7248] 4812 total pagecache pages [ 1675.020543][ T7248] 0 pages in swap cache [ 1675.025039][ T7248] Swap cache stats: add 0, delete 0, find 0/0 [ 1675.031104][ T7248] Free swap = 0kB [ 1675.034920][ T7248] Total swap = 0kB [ 1675.038681][ T7248] 1965979 pages RAM [ 1675.042519][ T7248] 0 pages HighMem/MovableOnly [ 1675.047872][ T7248] 349901 pages reserved [ 1675.052029][ T7248] 0 pages cma reserved [ 1675.056185][ T7248] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=16583,uid=0 [ 1675.070631][ T7248] Out of memory: Killed process 16583 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1675.090958][ T1151] oom_reaper: reaped process 16583 (syz-executor.1), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1675.130942][ T6811] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1675.169350][ T6811] CPU: 1 PID: 6811 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1675.178837][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1675.188906][ T6811] Call Trace: [ 1675.192211][ T6811] dump_stack+0x18f/0x20d [ 1675.196548][ T6811] dump_header+0x106/0x60f [ 1675.200971][ T6811] oom_kill_process.cold+0x10/0x15 [ 1675.206089][ T6811] out_of_memory+0x326/0x1340 [ 1675.210777][ T6811] ? oom_killer_disable+0x270/0x270 [ 1675.215992][ T6811] ? mutex_trylock+0x246/0x2c0 [ 1675.220776][ T6811] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1675.227471][ T6811] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1675.234094][ T6811] ? warn_alloc+0x120/0x120 [ 1675.238603][ T6811] ? fs_reclaim_release+0x94/0xf0 [ 1675.243644][ T6811] ? lock_is_held_type+0xb0/0xe0 [ 1675.248609][ T6811] ? find_get_entry+0x3b2/0x8a0 [ 1675.253476][ T6811] __alloc_pages_nodemask+0x5a3/0x700 [ 1675.258864][ T6811] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1675.265620][ T6811] ? page_cache_readahead_unbounded+0x572/0x850 [ 1675.271897][ T6811] ? __lock_page_or_retry+0x650/0x650 [ 1675.277276][ T6811] alloc_pages_current+0x187/0x280 [ 1675.282378][ T6811] __page_cache_alloc+0x31e/0x450 [ 1675.287428][ T6811] pagecache_get_page+0x2a6/0xf70 [ 1675.292473][ T6811] ? __do_page_cache_readahead+0xc2/0xf0 [ 1675.298102][ T6811] filemap_fault+0x1a94/0x2ab0 [ 1675.302883][ T6811] ext4_filemap_fault+0x87/0xb6 [ 1675.307719][ T6811] __do_fault+0x10d/0x4d0 [ 1675.312050][ T6811] handle_mm_fault+0x37a3/0x43f0 [ 1675.316994][ T6811] ? apply_to_existing_page_range+0x40/0x40 [ 1675.322901][ T6811] do_user_addr_fault+0x5a2/0xd00 [ 1675.327958][ T6811] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1675.333493][ T6811] exc_page_fault+0xab/0x170 [ 1675.338107][ T6811] ? asm_exc_page_fault+0x8/0x30 [ 1675.343032][ T6811] asm_exc_page_fault+0x1e/0x30 [ 1675.347879][ T6811] RIP: 0033:0x460c23 [ 1675.351755][ T6811] Code: Bad RIP value. [ 1675.355806][ T6811] RSP: 002b:000000c00003f6a0 EFLAGS: 00010202 [ 1675.361852][ T6811] RAX: ffffffffffffff92 RBX: 00000000312f1f92 RCX: 0000000000460c23 [ 1675.370068][ T6811] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000001703ac0 [ 1675.378024][ T6811] RBP: 000000c00003f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1675.386079][ T6811] R10: 000000c00003f6d8 R11: 0000000000000202 R12: 0000018908be93a7 [ 1675.394049][ T6811] R13: 0000000000000001 R14: 0000018908be93a7 R15: 0000000000000000 [ 1675.411645][ T6811] Mem-Info: [ 1675.414898][ T6811] active_anon:238815 inactive_anon:4132 isolated_anon:0 [ 1675.414898][ T6811] active_file:294 inactive_file:117 isolated_file:15 [ 1675.414898][ T6811] unevictable:0 dirty:421 writeback:0 [ 1675.414898][ T6811] slab_reclaimable:14725 slab_unreclaimable:104432 [ 1675.414898][ T6811] mapped:53381 shmem:4360 pagetables:11328 bounce:0 [ 1675.414898][ T6811] free:13709 free_pcp:0 free_cma:0 [ 1675.451908][ T6811] Node 0 active_anon:955104kB inactive_anon:16524kB active_file:984kB inactive_file:792kB unevictable:0kB isolated(anon):0kB isolated(file):60kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 802816kB writeback_tmp:0kB kernel_stack:21088kB all_unreclaimable? no [ 1675.481736][ T6811] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1675.508870][ T6811] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1675.544948][ T6811] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1675.550707][ T6811] Node 0 DMA32 free:17692kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:950988kB inactive_anon:16524kB active_file:788kB inactive_file:1012kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:45116kB bounce:0kB free_pcp:460kB local_pcp:240kB free_cma:0kB [ 1675.581552][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1675.586342][ T6811] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1675.614183][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1675.618899][ T6811] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1675.648617][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1675.653386][ T6811] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1675.668799][ T6811] Node 0 DMA32: 1972*4kB (UME) 566*8kB (UME) 165*16kB (ME) 67*32kB (ME) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17648kB [ 1675.684915][ T6811] 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 [ 1675.712962][ T6811] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1675.750798][ T6811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1675.771463][ T6811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1675.791227][ T6811] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1675.811653][ T6811] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1675.823456][ T6811] 4812 total pagecache pages [ 1675.828092][ T6811] 0 pages in swap cache [ 1675.832269][ T6811] Swap cache stats: add 0, delete 0, find 0/0 [ 1675.863620][ T6811] Free swap = 0kB [ 1675.867380][ T6811] Total swap = 0kB [ 1675.871077][ T6811] 1965979 pages RAM [ 1675.876951][ T6811] 0 pages HighMem/MovableOnly [ 1675.881645][ T6811] 349901 pages reserved [ 1675.894847][ T6811] 0 pages cma reserved [ 1675.898954][ T6811] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=16563,uid=0 [ 1675.934181][ T6811] Out of memory: Killed process 16563 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1676.010002][ T6968] syz-executor.1 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1676.026665][ T6968] CPU: 1 PID: 6968 Comm: syz-executor.1 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1676.036487][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1676.047397][ T6968] Call Trace: [ 1676.051196][ T6968] dump_stack+0x18f/0x20d [ 1676.055526][ T6968] dump_header+0x106/0x60f [ 1676.059937][ T6968] oom_kill_process.cold+0x10/0x15 [ 1676.065043][ T6968] out_of_memory+0x326/0x1340 [ 1676.069710][ T6968] ? oom_killer_disable+0x270/0x270 [ 1676.074893][ T6968] ? mutex_trylock+0x246/0x2c0 [ 1676.079658][ T6968] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1676.086354][ T6968] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1676.092963][ T6968] ? warn_alloc+0x120/0x120 [ 1676.097462][ T6968] ? fs_reclaim_release+0x94/0xf0 [ 1676.102478][ T6968] ? lock_is_held_type+0xb0/0xe0 [ 1676.107419][ T6968] ? find_get_entry+0x3b2/0x8a0 [ 1676.112271][ T6968] __alloc_pages_nodemask+0x5a3/0x700 [ 1676.117657][ T6968] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1676.124409][ T6968] ? page_cache_readahead_unbounded+0x572/0x850 [ 1676.130646][ T6968] ? __lock_page_or_retry+0x650/0x650 [ 1676.136023][ T6968] alloc_pages_current+0x187/0x280 [ 1676.141137][ T6968] __page_cache_alloc+0x31e/0x450 [ 1676.146170][ T6968] pagecache_get_page+0x2a6/0xf70 [ 1676.151195][ T6968] ? __do_page_cache_readahead+0xc2/0xf0 [ 1676.156820][ T6968] filemap_fault+0x1a94/0x2ab0 [ 1676.161567][ T6968] ext4_filemap_fault+0x87/0xb6 [ 1676.166401][ T6968] __do_fault+0x10d/0x4d0 [ 1676.170712][ T6968] handle_mm_fault+0x37a3/0x43f0 [ 1676.175636][ T6968] ? apply_to_existing_page_range+0x40/0x40 [ 1676.181514][ T6968] ? vmacache_update+0xce/0x140 [ 1676.186348][ T6968] do_user_addr_fault+0x5a2/0xd00 [ 1676.191369][ T6968] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1676.196897][ T6968] exc_page_fault+0xab/0x170 [ 1676.201470][ T6968] ? asm_exc_page_fault+0x8/0x30 [ 1676.206389][ T6968] asm_exc_page_fault+0x1e/0x30 [ 1676.211240][ T6968] RIP: 0033:0x4169ca [ 1676.215125][ T6968] Code: Bad RIP value. [ 1676.219179][ T6968] RSP: 002b:00007ffea7909038 EFLAGS: 00010246 [ 1676.225223][ T6968] RAX: 0000000000000505 RBX: 0000000000fed940 RCX: 00000000004169ca [ 1676.233174][ T6968] RDX: 0000000040000000 RSI: 00007ffea7909070 RDI: ffffffffffffffff [ 1676.241129][ T6968] RBP: 00000000000007b9 R08: 0000000000000001 R09: 0000000000000001 [ 1676.249097][ T6968] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1676.257053][ T6968] R13: 00007ffea7909070 R14: 0000000000fed99b R15: 00007ffea7909080 [ 1676.298733][ T6968] Mem-Info: [ 1676.305739][ T6968] active_anon:238275 inactive_anon:4132 isolated_anon:0 [ 1676.305739][ T6968] active_file:206 inactive_file:217 isolated_file:0 [ 1676.305739][ T6968] unevictable:0 dirty:421 writeback:0 [ 1676.305739][ T6968] slab_reclaimable:14725 slab_unreclaimable:104088 [ 1676.305739][ T6968] mapped:53381 shmem:4360 pagetables:11301 bounce:0 [ 1676.305739][ T6968] free:13768 free_pcp:62 free_cma:0 [ 1676.351830][ T6968] Node 0 active_anon:952944kB inactive_anon:16524kB active_file:972kB inactive_file:776kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 800768kB writeback_tmp:0kB kernel_stack:21024kB all_unreclaimable? no [ 1676.383091][ T6968] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1676.421910][ T6968] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1676.449912][ T6968] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1676.457148][ T6968] Node 0 DMA32 free:17916kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:948848kB inactive_anon:16524kB active_file:928kB inactive_file:1264kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:45116kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1676.488010][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1676.492712][ T6968] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1676.522843][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1676.527550][ T6968] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1676.569980][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1676.577432][ T6968] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1676.600208][ T6968] Node 0 DMA32: 1965*4kB (UME) 569*8kB (ME) 165*16kB (ME) 69*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17260kB [ 1676.621863][ T6968] 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 [ 1676.642209][ T6968] Node 1 Normal: 15*4kB (UME) 13*8kB (ME) 9*16kB (UME) 10*32kB (UME) 6*64kB (UME) 5*128kB (ME) 2*256kB (ME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26740kB [ 1676.659777][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1676.669376][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1676.698338][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1676.708085][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1676.730497][ T6968] 4812 total pagecache pages [ 1676.735177][ T6968] 0 pages in swap cache [ 1676.739318][ T6968] Swap cache stats: add 0, delete 0, find 0/0 [ 1676.762884][ T6968] Free swap = 0kB [ 1676.766617][ T6968] Total swap = 0kB [ 1676.770316][ T6968] 1965979 pages RAM [ 1676.782902][ T6968] 0 pages HighMem/MovableOnly [ 1676.787599][ T6968] 349901 pages reserved [ 1676.791774][ T6968] 0 pages cma reserved [ 1676.813093][ T6968] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=16556,uid=0 [ 1676.831606][ T6968] Out of memory: Killed process 16556 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1676.854138][ T1151] oom_reaper: reaped process 16556 (syz-executor.1), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1677.008351][ T7334] syz-executor.5 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1677.019738][ T7334] CPU: 1 PID: 7334 Comm: syz-executor.5 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1677.029559][ T7334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1677.039620][ T7334] Call Trace: [ 1677.042906][ T7334] dump_stack+0x18f/0x20d [ 1677.047224][ T7334] dump_header+0x106/0x60f [ 1677.051623][ T7334] oom_kill_process.cold+0x10/0x15 [ 1677.057500][ T7334] out_of_memory+0x326/0x1340 [ 1677.062161][ T7334] ? oom_killer_disable+0x270/0x270 [ 1677.067341][ T7334] ? mutex_trylock+0x246/0x2c0 [ 1677.072100][ T7334] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1677.078775][ T7334] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1677.085372][ T7334] ? warn_alloc+0x120/0x120 [ 1677.090296][ T7334] ? fs_reclaim_release+0x94/0xf0 [ 1677.095307][ T7334] ? lock_is_held_type+0xb0/0xe0 [ 1677.100242][ T7334] ? find_get_entry+0x3b2/0x8a0 [ 1677.105103][ T7334] __alloc_pages_nodemask+0x5a3/0x700 [ 1677.110475][ T7334] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1677.117222][ T7334] ? page_cache_readahead_unbounded+0x572/0x850 [ 1677.123448][ T7334] ? __lock_page_or_retry+0x650/0x650 [ 1677.128815][ T7334] alloc_pages_current+0x187/0x280 [ 1677.133913][ T7334] __page_cache_alloc+0x31e/0x450 [ 1677.138922][ T7334] pagecache_get_page+0x2a6/0xf70 [ 1677.143946][ T7334] ? __do_page_cache_readahead+0xc2/0xf0 [ 1677.149578][ T7334] filemap_fault+0x1a94/0x2ab0 [ 1677.155034][ T7334] ext4_filemap_fault+0x87/0xb6 [ 1677.159870][ T7334] __do_fault+0x10d/0x4d0 [ 1677.164196][ T7334] handle_mm_fault+0x37a3/0x43f0 [ 1677.169123][ T7334] ? apply_to_existing_page_range+0x40/0x40 [ 1677.175010][ T7334] ? vmacache_update+0xce/0x140 [ 1677.179866][ T7334] do_user_addr_fault+0x5a2/0xd00 [ 1677.184878][ T7334] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1677.190410][ T7334] exc_page_fault+0xab/0x170 [ 1677.194987][ T7334] ? asm_exc_page_fault+0x8/0x30 [ 1677.199918][ T7334] asm_exc_page_fault+0x1e/0x30 [ 1677.204750][ T7334] RIP: 0033:0x45b030 [ 1677.208617][ T7334] Code: Bad RIP value. [ 1677.212677][ T7334] RSP: 002b:00007ffc5c825c88 EFLAGS: 00010246 [ 1677.218719][ T7334] RAX: 0000000000000000 RBX: 000000000018f16a RCX: 000000000045b030 [ 1677.226671][ T7334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc5c825c90 [ 1677.234636][ T7334] RBP: 00000000000009e5 R08: 0000000000000001 R09: 0000000002034940 [ 1677.242590][ T7334] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1677.250545][ T7334] R13: 00007ffc5c825ce0 R14: 000000000018f0bc R15: 00007ffc5c825cf0 [ 1677.292859][ T7334] Mem-Info: [ 1677.296863][ T7334] active_anon:237727 inactive_anon:4132 isolated_anon:0 [ 1677.296863][ T7334] active_file:238 inactive_file:181 isolated_file:32 [ 1677.296863][ T7334] unevictable:0 dirty:421 writeback:0 [ 1677.296863][ T7334] slab_reclaimable:14723 slab_unreclaimable:104069 [ 1677.296863][ T7334] mapped:53381 shmem:4360 pagetables:11273 bounce:0 [ 1677.296863][ T7334] free:13720 free_pcp:196 free_cma:0 [ 1677.333966][ T7334] Node 0 active_anon:950752kB inactive_anon:16524kB active_file:1092kB inactive_file:664kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 796672kB writeback_tmp:0kB kernel_stack:20992kB all_unreclaimable? no [ 1677.363729][ T7334] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1677.409358][ T7334] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1677.437212][ T7334] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1677.444775][ T7334] Node 0 DMA32 free:17572kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:946656kB inactive_anon:16524kB active_file:644kB inactive_file:1448kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:45004kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 1677.476081][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1677.480848][ T7334] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1677.508821][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1677.525453][ T7334] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:12kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1677.561749][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1677.566536][ T7334] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1677.581212][ T7334] Node 0 DMA32: 1934*4kB (UME) 544*8kB (UME) 154*16kB (UME) 60*32kB (M) 2*64kB (U) 2*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 18136kB [ 1677.597005][ T7334] 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 [ 1677.608865][ T7334] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1677.627370][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1677.637156][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1677.649304][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1677.662318][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1677.688498][ T7334] 4811 total pagecache pages [ 1677.693158][ T7334] 0 pages in swap cache [ 1677.697317][ T7334] Swap cache stats: add 0, delete 0, find 0/0 [ 1677.703474][ T7334] Free swap = 0kB [ 1677.707241][ T7334] Total swap = 0kB [ 1677.710973][ T7334] 1965979 pages RAM [ 1677.714862][ T7334] 0 pages HighMem/MovableOnly [ 1677.719539][ T7334] 349901 pages reserved [ 1677.723778][ T7334] 0 pages cma reserved [ 1677.727888][ T7334] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=16396,uid=0 [ 1677.743785][ T7334] Out of memory: Killed process 16396 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1677.895763][ T7334] syz-executor.5 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1677.907548][ T7334] CPU: 0 PID: 7334 Comm: syz-executor.5 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1677.917354][ T7334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1677.927674][ T7334] Call Trace: [ 1677.930982][ T7334] dump_stack+0x18f/0x20d [ 1677.935326][ T7334] dump_header+0x106/0x60f [ 1677.939750][ T7334] oom_kill_process.cold+0x10/0x15 [ 1677.944867][ T7334] out_of_memory+0x326/0x1340 [ 1677.949549][ T7334] ? oom_killer_disable+0x270/0x270 [ 1677.954774][ T7334] ? mutex_trylock+0x246/0x2c0 [ 1677.959566][ T7334] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1677.966288][ T7334] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1677.972909][ T7334] ? warn_alloc+0x120/0x120 [ 1677.977421][ T7334] ? fs_reclaim_release+0x94/0xf0 [ 1677.982485][ T7334] ? lock_is_held_type+0xb0/0xe0 [ 1677.987430][ T7334] ? find_get_entry+0x3b2/0x8a0 [ 1677.992303][ T7334] __alloc_pages_nodemask+0x5a3/0x700 [ 1677.997680][ T7334] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1678.004444][ T7334] ? page_cache_readahead_unbounded+0x572/0x850 [ 1678.010694][ T7334] ? __lock_page_or_retry+0x650/0x650 [ 1678.017040][ T7334] alloc_pages_current+0x187/0x280 [ 1678.022195][ T7334] __page_cache_alloc+0x31e/0x450 [ 1678.027236][ T7334] pagecache_get_page+0x2a6/0xf70 [ 1678.032285][ T7334] ? __do_page_cache_readahead+0xc2/0xf0 [ 1678.037936][ T7334] filemap_fault+0x1a94/0x2ab0 [ 1678.043684][ T7334] ext4_filemap_fault+0x87/0xb6 [ 1678.048546][ T7334] __do_fault+0x10d/0x4d0 [ 1678.052887][ T7334] handle_mm_fault+0x37a3/0x43f0 [ 1678.057843][ T7334] ? apply_to_existing_page_range+0x40/0x40 [ 1678.063759][ T7334] ? vmacache_update+0xce/0x140 [ 1678.068624][ T7334] do_user_addr_fault+0x5a2/0xd00 [ 1678.073661][ T7334] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1678.079223][ T7334] exc_page_fault+0xab/0x170 [ 1678.083822][ T7334] ? asm_exc_page_fault+0x8/0x30 [ 1678.088794][ T7334] asm_exc_page_fault+0x1e/0x30 [ 1678.093738][ T7334] RIP: 0033:0x45b030 [ 1678.097627][ T7334] Code: Bad RIP value. [ 1678.101691][ T7334] RSP: 002b:00007ffc5c825c88 EFLAGS: 00010246 [ 1678.107757][ T7334] RAX: 0000000000000000 RBX: 000000000018f16a RCX: 000000000045b030 [ 1678.115731][ T7334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc5c825c90 [ 1678.123705][ T7334] RBP: 00000000000009e5 R08: 0000000000000001 R09: 0000000002034940 [ 1678.131681][ T7334] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1678.139669][ T7334] R13: 00007ffc5c825ce0 R14: 000000000018f0bc R15: 00007ffc5c825cf0 [ 1678.173442][ T7334] Mem-Info: [ 1678.176611][ T7334] active_anon:237192 inactive_anon:4132 isolated_anon:0 [ 1678.176611][ T7334] active_file:165 inactive_file:242 isolated_file:17 [ 1678.176611][ T7334] unevictable:0 dirty:421 writeback:0 [ 1678.176611][ T7334] slab_reclaimable:14723 slab_unreclaimable:104082 [ 1678.176611][ T7334] mapped:53381 shmem:4360 pagetables:11247 bounce:0 [ 1678.176611][ T7334] free:13704 free_pcp:60 free_cma:0 [ 1678.250035][ T7334] Node 0 active_anon:948612kB inactive_anon:16524kB active_file:1040kB inactive_file:684kB unevictable:0kB isolated(anon):0kB isolated(file):68kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 796672kB writeback_tmp:0kB kernel_stack:20992kB all_unreclaimable? no [ 1678.312913][ T7334] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1678.373517][ T7334] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1678.414374][ T7334] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1678.420139][ T7334] Node 0 DMA32 free:17660kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:944516kB inactive_anon:16524kB active_file:1448kB inactive_file:888kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:44900kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1678.450510][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1678.455249][ T7334] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1678.481900][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1678.486668][ T7334] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1678.516983][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1678.521686][ T7334] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1678.544688][ T7334] Node 0 DMA32: 1978*4kB (UME) 552*8kB (UME) 154*16kB (UME) 60*32kB (M) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 18248kB [ 1678.560569][ T7334] 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 [ 1678.580995][ T7334] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1678.598127][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1678.608160][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1678.617516][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1678.630231][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1678.642694][ T7334] 4811 total pagecache pages [ 1678.668573][ T7334] 0 pages in swap cache [ 1678.672745][ T7334] Swap cache stats: add 0, delete 0, find 0/0 [ 1678.689492][ T7334] Free swap = 0kB [ 1678.710349][ T7334] Total swap = 0kB [ 1678.714149][ T7334] 1965979 pages RAM [ 1678.717945][ T7334] 0 pages HighMem/MovableOnly [ 1678.722614][ T7334] 349901 pages reserved [ 1678.726939][ T7334] 0 pages cma reserved [ 1678.731043][ T7334] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=16390,uid=0 [ 1678.747038][ T7334] Out of memory: Killed process 16390 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1678.812032][ T3873] systemd-journal invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1678.842958][ T3873] CPU: 1 PID: 3873 Comm: systemd-journal Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1678.852869][ T3873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1678.862961][ T3873] Call Trace: [ 1678.866259][ T3873] dump_stack+0x18f/0x20d [ 1678.870589][ T3873] dump_header+0x106/0x60f [ 1678.874988][ T3873] oom_kill_process.cold+0x10/0x15 [ 1678.880116][ T3873] out_of_memory+0x326/0x1340 [ 1678.884826][ T3873] ? oom_killer_disable+0x270/0x270 [ 1678.890016][ T3873] ? mutex_trylock+0x246/0x2c0 [ 1678.894782][ T3873] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1678.901454][ T3873] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1678.908052][ T3873] ? warn_alloc+0x120/0x120 [ 1678.912541][ T3873] ? fs_reclaim_release+0x94/0xf0 [ 1678.917653][ T3873] ? lock_is_held_type+0xb0/0xe0 [ 1678.922571][ T3873] ? find_get_entry+0x3b2/0x8a0 [ 1678.927438][ T3873] __alloc_pages_nodemask+0x5a3/0x700 [ 1678.932801][ T3873] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1678.939582][ T3873] ? page_cache_readahead_unbounded+0x572/0x850 [ 1678.945809][ T3873] ? __lock_page_or_retry+0x650/0x650 [ 1678.951192][ T3873] alloc_pages_current+0x187/0x280 [ 1678.956310][ T3873] __page_cache_alloc+0x31e/0x450 [ 1678.961323][ T3873] pagecache_get_page+0x2a6/0xf70 [ 1678.966336][ T3873] ? __do_page_cache_readahead+0xc2/0xf0 [ 1678.971967][ T3873] filemap_fault+0x1a94/0x2ab0 [ 1678.976732][ T3873] ext4_filemap_fault+0x87/0xb6 [ 1678.981566][ T3873] __do_fault+0x10d/0x4d0 [ 1678.985880][ T3873] handle_mm_fault+0x37a3/0x43f0 [ 1678.990801][ T3873] ? apply_to_existing_page_range+0x40/0x40 [ 1678.996705][ T3873] do_user_addr_fault+0x5a2/0xd00 [ 1679.001714][ T3873] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1679.007247][ T3873] exc_page_fault+0xab/0x170 [ 1679.011871][ T3873] ? asm_exc_page_fault+0x8/0x30 [ 1679.016814][ T3873] asm_exc_page_fault+0x1e/0x30 [ 1679.021650][ T3873] RIP: 0033:0x7fb1de32f2e3 [ 1679.026044][ T3873] Code: Bad RIP value. [ 1679.030101][ T3873] RSP: 002b:00007ffe3d83c058 EFLAGS: 00010246 [ 1679.036160][ T3873] RAX: 0000000000000001 RBX: 000055ce75f621e0 RCX: 00007fb1de32f2e3 [ 1679.044131][ T3873] RDX: 0000000000000013 RSI: 00007ffe3d83c060 RDI: 0000000000000008 [ 1679.052176][ T3873] RBP: 00007ffe3d83c250 R08: 0000000000000000 R09: 00007ffe3d91e080 [ 1679.060150][ T3873] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3d83c060 [ 1679.068197][ T3873] R13: 0000000000000001 R14: ffffffffffffffff R15: 0005a9e6550b3dc4 [ 1679.126247][ T3873] Mem-Info: [ 1679.130190][ T3873] active_anon:236652 inactive_anon:4132 isolated_anon:0 [ 1679.130190][ T3873] active_file:186 inactive_file:248 isolated_file:32 [ 1679.130190][ T3873] unevictable:0 dirty:421 writeback:0 [ 1679.130190][ T3873] slab_reclaimable:14714 slab_unreclaimable:104182 [ 1679.130190][ T3873] mapped:53381 shmem:4360 pagetables:11220 bounce:0 [ 1679.130190][ T3873] free:13617 free_pcp:122 free_cma:0 [ 1679.172458][ T3873] Node 0 active_anon:946452kB inactive_anon:16524kB active_file:796kB inactive_file:932kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 794624kB writeback_tmp:0kB kernel_stack:20960kB all_unreclaimable? no [ 1679.254190][ T3873] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1679.281470][ T3873] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1679.309409][ T3873] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1679.315264][ T3873] Node 0 DMA32 free:17312kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:942356kB inactive_anon:16524kB active_file:468kB inactive_file:756kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:44792kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1679.355365][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1679.360089][ T3873] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1679.409059][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1679.413816][ T3873] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1679.450992][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1679.457060][ T3873] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1679.471933][ T3873] Node 0 DMA32: 1958*4kB (ME) 548*8kB (UME) 151*16kB (ME) 61*32kB (UM) 0*64kB 0*128kB 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17096kB [ 1679.489891][ T3873] 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 [ 1679.501461][ T3873] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1679.550428][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1679.560346][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1679.570829][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1679.580936][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1679.590676][ T3873] 4810 total pagecache pages [ 1679.595362][ T3873] 0 pages in swap cache [ 1679.599518][ T3873] Swap cache stats: add 0, delete 0, find 0/0 [ 1679.612201][ T3873] Free swap = 0kB [ 1679.616083][ T3873] Total swap = 0kB [ 1679.619846][ T3873] 1965979 pages RAM [ 1679.623773][ T3873] 0 pages HighMem/MovableOnly [ 1679.628506][ T3873] 349901 pages reserved [ 1679.632710][ T3873] 0 pages cma reserved [ 1679.636869][ T3873] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.1,pid=16385,uid=0 [ 1679.683224][ T3873] Out of memory: Killed process 16385 (syz-executor.1) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1679.799257][T27198] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1679.823550][T27198] CPU: 0 PID: 27198 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1679.833466][T27198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1679.843534][T27198] Call Trace: [ 1679.846838][T27198] dump_stack+0x18f/0x20d [ 1679.851176][T27198] dump_header+0x106/0x60f [ 1679.855606][T27198] oom_kill_process.cold+0x10/0x15 [ 1679.860733][T27198] out_of_memory+0x326/0x1340 [ 1679.865426][T27198] ? oom_killer_disable+0x270/0x270 [ 1679.870635][T27198] ? mutex_trylock+0x246/0x2c0 [ 1679.875410][T27198] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1679.882104][T27198] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1679.888753][T27198] ? warn_alloc+0x120/0x120 [ 1679.893269][T27198] ? fs_reclaim_release+0x94/0xf0 [ 1679.898574][T27198] ? lock_is_held_type+0xb0/0xe0 [ 1679.903524][T27198] ? find_get_entry+0x3b2/0x8a0 [ 1679.908394][T27198] __alloc_pages_nodemask+0x5a3/0x700 [ 1679.913792][T27198] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1679.920571][T27198] ? page_cache_readahead_unbounded+0x572/0x850 [ 1679.926822][T27198] ? __lock_page_or_retry+0x650/0x650 [ 1679.932198][T27198] alloc_pages_current+0x187/0x280 [ 1679.937300][T27198] __page_cache_alloc+0x31e/0x450 [ 1679.942325][T27198] pagecache_get_page+0x2a6/0xf70 [ 1679.947349][T27198] ? __do_page_cache_readahead+0xc2/0xf0 [ 1679.952998][T27198] filemap_fault+0x1a94/0x2ab0 [ 1679.957780][T27198] ext4_filemap_fault+0x87/0xb6 [ 1679.962637][T27198] __do_fault+0x10d/0x4d0 [ 1679.967411][T27198] handle_mm_fault+0x37a3/0x43f0 [ 1679.972368][T27198] ? apply_to_existing_page_range+0x40/0x40 [ 1679.978269][T27198] do_user_addr_fault+0x5a2/0xd00 [ 1679.983297][T27198] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1679.988848][T27198] exc_page_fault+0xab/0x170 [ 1679.993437][T27198] ? asm_exc_page_fault+0x8/0x30 [ 1679.998379][T27198] asm_exc_page_fault+0x1e/0x30 [ 1680.003221][T27198] RIP: 0033:0x45fffa [ 1680.007104][T27198] Code: Bad RIP value. [ 1680.011160][T27198] RSP: 002b:00007fff992867a8 EFLAGS: 00010246 [ 1680.017249][T27198] RAX: 00007fff99286800 RBX: 0000000000000000 RCX: 0000000000000040 [ 1680.025211][T27198] RDX: 0000000000000001 RSI: 0000000000000040 RDI: 00007fff99286940 [ 1680.033211][T27198] RBP: 0000000000000000 R08: 00000000004c25df R09: 00007fff992867e8 [ 1680.041172][T27198] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000000 [ 1680.049137][T27198] R13: 00007fff992868f0 R14: 0000000000000000 R15: 00007fff99286900 [ 1680.066433][T27198] Mem-Info: [ 1680.069572][T27198] active_anon:236109 inactive_anon:4132 isolated_anon:0 [ 1680.069572][T27198] active_file:245 inactive_file:168 isolated_file:23 [ 1680.069572][T27198] unevictable:0 dirty:421 writeback:0 [ 1680.069572][T27198] slab_reclaimable:14714 slab_unreclaimable:104045 [ 1680.069572][T27198] mapped:53381 shmem:4360 pagetables:11193 bounce:0 [ 1680.069572][T27198] free:13722 free_pcp:62 free_cma:0 [ 1680.107532][T27198] Node 0 active_anon:944280kB inactive_anon:16524kB active_file:912kB inactive_file:688kB unevictable:0kB isolated(anon):0kB isolated(file):92kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 792576kB writeback_tmp:0kB kernel_stack:20896kB all_unreclaimable? no [ 1680.137480][T27198] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1680.166088][T27198] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1680.245782][T27198] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1680.251545][T27198] Node 0 DMA32 free:17732kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:940184kB inactive_anon:16524kB active_file:892kB inactive_file:1144kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:44684kB bounce:0kB free_pcp:240kB local_pcp:240kB free_cma:0kB [ 1680.319591][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1680.325836][T27198] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1680.357456][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1680.362176][T27198] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1680.392371][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1680.411328][T27198] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1680.442918][T27198] Node 0 DMA32: 1967*4kB (ME) 551*8kB (ME) 153*16kB (UME) 60*32kB (M) 0*64kB 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17412kB [ 1680.458727][T27198] 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 [ 1680.471003][T27198] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1680.489509][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1680.499191][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1680.508583][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1680.518208][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1680.527618][T27198] 4810 total pagecache pages [ 1680.532209][T27198] 0 pages in swap cache [ 1680.536447][T27198] Swap cache stats: add 0, delete 0, find 0/0 [ 1680.542517][T27198] Free swap = 0kB [ 1680.546490][T27198] Total swap = 0kB [ 1680.550254][T27198] 1965979 pages RAM [ 1680.567894][T27198] 0 pages HighMem/MovableOnly [ 1680.576810][T27198] 349901 pages reserved [ 1680.581189][T27198] 0 pages cma reserved [ 1680.602033][T27198] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=13876,uid=0 [ 1680.636104][T27198] Out of memory: Killed process 13876 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1680.727287][ T6508] in:imklog invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1680.746426][ T6508] CPU: 1 PID: 6508 Comm: in:imklog Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1680.755845][ T6508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1680.765905][ T6508] Call Trace: [ 1680.769207][ T6508] dump_stack+0x18f/0x20d [ 1680.773543][ T6508] dump_header+0x106/0x60f [ 1680.777963][ T6508] oom_kill_process.cold+0x10/0x15 [ 1680.783070][ T6508] out_of_memory+0x326/0x1340 [ 1680.787765][ T6508] ? oom_killer_disable+0x270/0x270 [ 1680.792960][ T6508] ? mutex_trylock+0x246/0x2c0 [ 1680.797740][ T6508] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1680.804426][ T6508] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1680.811023][ T6508] ? warn_alloc+0x120/0x120 [ 1680.815512][ T6508] ? fs_reclaim_release+0x94/0xf0 [ 1680.820520][ T6508] ? lock_is_held_type+0xb0/0xe0 [ 1680.825436][ T6508] ? find_get_entry+0x3b2/0x8a0 [ 1680.830288][ T6508] __alloc_pages_nodemask+0x5a3/0x700 [ 1680.835641][ T6508] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1680.842386][ T6508] ? page_cache_readahead_unbounded+0x572/0x850 [ 1680.848612][ T6508] ? __lock_page_or_retry+0x650/0x650 [ 1680.854938][ T6508] alloc_pages_current+0x187/0x280 [ 1680.860059][ T6508] __page_cache_alloc+0x31e/0x450 [ 1680.865081][ T6508] pagecache_get_page+0x2a6/0xf70 [ 1680.870085][ T6508] ? __do_page_cache_readahead+0xc2/0xf0 [ 1680.875720][ T6508] filemap_fault+0x1a94/0x2ab0 [ 1680.880486][ T6508] ext4_filemap_fault+0x87/0xb6 [ 1680.885318][ T6508] __do_fault+0x10d/0x4d0 [ 1680.889634][ T6508] handle_mm_fault+0x37a3/0x43f0 [ 1680.894556][ T6508] ? apply_to_existing_page_range+0x40/0x40 [ 1680.900462][ T6508] do_user_addr_fault+0x5a2/0xd00 [ 1680.905519][ T6508] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1680.911058][ T6508] exc_page_fault+0xab/0x170 [ 1680.915648][ T6508] ? asm_exc_page_fault+0x8/0x30 [ 1680.920574][ T6508] asm_exc_page_fault+0x1e/0x30 [ 1680.925934][ T6508] RIP: 0033:0x7fefec55522d [ 1680.930333][ T6508] Code: Bad RIP value. [ 1680.934379][ T6508] RSP: 002b:00007fefe9ef1580 EFLAGS: 00010293 [ 1680.940430][ T6508] RAX: 0000000000000955 RBX: 0000000000000000 RCX: 00007fefec55522d [ 1680.948390][ T6508] RDX: 0000000000001fa0 RSI: 00007fefe9ef1da0 RDI: 0000000000000004 [ 1680.956365][ T6508] RBP: 00005623e0e7c9d0 R08: 0000000000000000 R09: 0000000000000000 [ 1680.964317][ T6508] R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007fefe9ef1da0 [ 1680.972283][ T6508] R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007fefe9ef3c5e [ 1681.010725][ T6508] Mem-Info: [ 1681.013938][ T6508] active_anon:235570 inactive_anon:4132 isolated_anon:0 [ 1681.013938][ T6508] active_file:239 inactive_file:170 isolated_file:32 [ 1681.013938][ T6508] unevictable:0 dirty:417 writeback:4 [ 1681.013938][ T6508] slab_reclaimable:14714 slab_unreclaimable:103824 [ 1681.013938][ T6508] mapped:53381 shmem:4360 pagetables:11166 bounce:0 [ 1681.013938][ T6508] free:13687 free_pcp:0 free_cma:0 [ 1681.060574][ T6508] Node 0 active_anon:942124kB inactive_anon:16524kB active_file:936kB inactive_file:684kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1668kB writeback:16kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 790528kB writeback_tmp:0kB kernel_stack:20864kB all_unreclaimable? no [ 1681.098368][ T6508] Node 1 active_anon:156kB inactive_anon:4kB active_file:12kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1681.134541][ T6508] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1681.162598][ T6508] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1681.168404][ T6508] Node 0 DMA32 free:17592kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:938028kB inactive_anon:16524kB active_file:1216kB inactive_file:360kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:44576kB bounce:0kB free_pcp:228kB local_pcp:0kB free_cma:0kB [ 1681.200365][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1681.205958][ T6508] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1681.232775][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1681.237532][ T6508] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1681.272294][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1681.289310][ T6508] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1681.310537][ T6508] Node 0 DMA32: 1978*4kB (ME) 553*8kB (ME) 154*16kB (ME) 60*32kB (M) 1*64kB (U) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17552kB [ 1681.352501][ T6508] 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 [ 1681.378868][ T6508] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1681.417883][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1681.430905][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1681.471529][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1681.481279][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1681.491490][ T6508] 4807 total pagecache pages [ 1681.496150][ T6508] 0 pages in swap cache [ 1681.500328][ T6508] Swap cache stats: add 0, delete 0, find 0/0 [ 1681.506463][ T6508] Free swap = 0kB [ 1681.510206][ T6508] Total swap = 0kB [ 1681.513994][ T6508] 1965979 pages RAM [ 1681.517808][ T6508] 0 pages HighMem/MovableOnly [ 1681.522520][ T6508] 349901 pages reserved [ 1681.540656][ T6508] 0 pages cma reserved [ 1681.544880][ T6508] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=13865,uid=0 [ 1681.560738][ T6508] Out of memory: Killed process 13865 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1681.586857][ T1151] oom_reaper: reaped process 13865 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1681.639732][ T6797] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1681.650545][ T6797] CPU: 1 PID: 6797 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1681.660002][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1681.670058][ T6797] Call Trace: [ 1681.673372][ T6797] dump_stack+0x18f/0x20d [ 1681.677712][ T6797] dump_header+0x106/0x60f [ 1681.682136][ T6797] oom_kill_process.cold+0x10/0x15 [ 1681.687252][ T6797] out_of_memory+0x326/0x1340 [ 1681.691949][ T6797] ? oom_killer_disable+0x270/0x270 [ 1681.697656][ T6797] ? mutex_trylock+0x246/0x2c0 [ 1681.702404][ T6797] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1681.709174][ T6797] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1681.715778][ T6797] ? warn_alloc+0x120/0x120 [ 1681.720280][ T6797] ? fs_reclaim_release+0x94/0xf0 [ 1681.725296][ T6797] ? lock_is_held_type+0xb0/0xe0 [ 1681.730240][ T6797] ? find_get_entry+0x3b2/0x8a0 [ 1681.735102][ T6797] __alloc_pages_nodemask+0x5a3/0x700 [ 1681.740462][ T6797] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1681.747220][ T6797] ? page_cache_readahead_unbounded+0x572/0x850 [ 1681.753444][ T6797] ? __lock_page_or_retry+0x650/0x650 [ 1681.758810][ T6797] alloc_pages_current+0x187/0x280 [ 1681.763905][ T6797] __page_cache_alloc+0x31e/0x450 [ 1681.769605][ T6797] pagecache_get_page+0x2a6/0xf70 [ 1681.774610][ T6797] ? __do_page_cache_readahead+0xc2/0xf0 [ 1681.780227][ T6797] filemap_fault+0x1a94/0x2ab0 [ 1681.784994][ T6797] ext4_filemap_fault+0x87/0xb6 [ 1681.789836][ T6797] __do_fault+0x10d/0x4d0 [ 1681.794159][ T6797] handle_mm_fault+0x37a3/0x43f0 [ 1681.799097][ T6797] ? apply_to_existing_page_range+0x40/0x40 [ 1681.804983][ T6797] ? vmacache_update+0xce/0x140 [ 1681.809828][ T6797] do_user_addr_fault+0x5a2/0xd00 [ 1681.814836][ T6797] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1681.820377][ T6797] exc_page_fault+0xab/0x170 [ 1681.824957][ T6797] ? asm_exc_page_fault+0x8/0x30 [ 1681.829892][ T6797] asm_exc_page_fault+0x1e/0x30 [ 1681.834737][ T6797] RIP: 0033:0x437d60 [ 1681.838608][ T6797] Code: Bad RIP value. [ 1681.842651][ T6797] RSP: 002b:000000c000040728 EFLAGS: 00010206 [ 1681.848710][ T6797] RAX: 0000000000000000 RBX: 000000c000042380 RCX: 0000017cc53fb603 [ 1681.856665][ T6797] RDX: 0000000017a93a1a RSI: 0000000000000663 RDI: 00007ffebc9ed080 [ 1681.864633][ T6797] RBP: 000000c000040750 R08: 0000000000000000 R09: 00007ffebc9ed090 [ 1681.872603][ T6797] R10: 000000000004eea4 R11: 0000000000000202 R12: 00000189b172fbd3 [ 1681.880575][ T6797] R13: 0000000000000001 R14: 00000189b172fbd3 R15: 0000000000000000 [ 1681.913034][ T6797] Mem-Info: [ 1681.916193][ T6797] active_anon:235029 inactive_anon:4132 isolated_anon:0 [ 1681.916193][ T6797] active_file:224 inactive_file:224 isolated_file:19 [ 1681.916193][ T6797] unevictable:0 dirty:421 writeback:0 [ 1681.916193][ T6797] slab_reclaimable:14714 slab_unreclaimable:103893 [ 1681.916193][ T6797] mapped:53381 shmem:4360 pagetables:11139 bounce:0 [ 1681.916193][ T6797] free:13675 free_pcp:145 free_cma:0 [ 1681.953421][ T6797] Node 0 active_anon:939960kB inactive_anon:16524kB active_file:704kB inactive_file:1032kB unevictable:0kB isolated(anon):0kB isolated(file):76kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 788480kB writeback_tmp:0kB kernel_stack:20832kB all_unreclaimable? no [ 1681.987405][ T6797] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1682.026321][ T6797] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1682.054167][ T6797] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1682.059922][ T6797] Node 0 DMA32 free:17544kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:935864kB inactive_anon:16524kB active_file:1364kB inactive_file:860kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:44468kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 1682.090578][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1682.095342][ T6797] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1682.122069][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1682.127618][ T6797] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1682.173853][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1682.180828][ T6797] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1682.197397][ T6797] Node 0 DMA32: 1994*4kB (UME) 566*8kB (UME) 156*16kB (UME) 66*32kB (UM) 1*64kB (U) 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17816kB [ 1682.213187][ T6797] 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 [ 1682.224684][ T6797] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1682.243383][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1682.253042][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1682.262338][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1682.271980][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1682.282506][ T6797] 4809 total pagecache pages [ 1682.289233][ T6797] 0 pages in swap cache [ 1682.304076][ T6797] Swap cache stats: add 0, delete 0, find 0/0 [ 1682.311483][ T6797] Free swap = 0kB [ 1682.316512][ T6797] Total swap = 0kB [ 1682.320244][ T6797] 1965979 pages RAM [ 1682.324198][ T6797] 0 pages HighMem/MovableOnly [ 1682.328881][ T6797] 349901 pages reserved [ 1682.333128][ T6797] 0 pages cma reserved [ 1682.337596][ T6797] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=13857,uid=0 [ 1682.352057][ T6797] Out of memory: Killed process 13857 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1682.377405][ T1151] oom_reaper: reaped process 13857 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1682.407318][ T7146] syz-executor.3 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1682.432480][ T7146] CPU: 1 PID: 7146 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1682.442307][ T7146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1682.452371][ T7146] Call Trace: [ 1682.455703][ T7146] dump_stack+0x18f/0x20d [ 1682.460073][ T7146] dump_header+0x106/0x60f [ 1682.464502][ T7146] oom_kill_process.cold+0x10/0x15 [ 1682.469648][ T7146] out_of_memory+0x326/0x1340 [ 1682.475294][ T7146] ? oom_killer_disable+0x270/0x270 [ 1682.480507][ T7146] ? mutex_trylock+0x246/0x2c0 [ 1682.485275][ T7146] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1682.491947][ T7146] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1682.498543][ T7146] ? warn_alloc+0x120/0x120 [ 1682.503033][ T7146] ? fs_reclaim_release+0x94/0xf0 [ 1682.508066][ T7146] ? lock_is_held_type+0xb0/0xe0 [ 1682.513004][ T7146] ? find_get_entry+0x3b2/0x8a0 [ 1682.517853][ T7146] __alloc_pages_nodemask+0x5a3/0x700 [ 1682.523215][ T7146] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1682.529970][ T7146] ? page_cache_readahead_unbounded+0x572/0x850 [ 1682.536219][ T7146] ? __lock_page_or_retry+0x650/0x650 [ 1682.541627][ T7146] alloc_pages_current+0x187/0x280 [ 1682.546733][ T7146] __page_cache_alloc+0x31e/0x450 [ 1682.551748][ T7146] pagecache_get_page+0x2a6/0xf70 [ 1682.556759][ T7146] ? __do_page_cache_readahead+0xc2/0xf0 [ 1682.562390][ T7146] filemap_fault+0x1a94/0x2ab0 [ 1682.567142][ T7146] ext4_filemap_fault+0x87/0xb6 [ 1682.571970][ T7146] __do_fault+0x10d/0x4d0 [ 1682.576283][ T7146] handle_mm_fault+0x37a3/0x43f0 [ 1682.581205][ T7146] ? apply_to_existing_page_range+0x40/0x40 [ 1682.587102][ T7146] ? vmacache_update+0xce/0x140 [ 1682.591954][ T7146] do_user_addr_fault+0x5a2/0xd00 [ 1682.596968][ T7146] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1682.603455][ T7146] exc_page_fault+0xab/0x170 [ 1682.608043][ T7146] ? asm_exc_page_fault+0x8/0x30 [ 1682.612963][ T7146] asm_exc_page_fault+0x1e/0x30 [ 1682.617833][ T7146] RIP: 0033:0x45b030 [ 1682.621719][ T7146] Code: Bad RIP value. [ 1682.625777][ T7146] RSP: 002b:00007ffdbb88d318 EFLAGS: 00010246 [ 1682.631838][ T7146] RAX: 0000000000000000 RBX: 000000000018f234 RCX: 000000000045b030 [ 1682.639792][ T7146] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffdbb88d320 [ 1682.648745][ T7146] RBP: 00000000000007ef R08: 0000000000000001 R09: 000000000224b940 [ 1682.656722][ T7146] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 1682.664940][ T7146] R13: 00007ffdbb88d370 R14: 000000000018f0c8 R15: 00007ffdbb88d380 [ 1682.685869][ T7146] Mem-Info: [ 1682.689040][ T7146] active_anon:234485 inactive_anon:4132 isolated_anon:0 [ 1682.689040][ T7146] active_file:332 inactive_file:102 isolated_file:38 [ 1682.689040][ T7146] unevictable:0 dirty:419 writeback:2 [ 1682.689040][ T7146] slab_reclaimable:14705 slab_unreclaimable:103772 [ 1682.689040][ T7146] mapped:53381 shmem:4360 pagetables:11111 bounce:0 [ 1682.689040][ T7146] free:13883 free_pcp:189 free_cma:0 [ 1682.727367][ T7146] Node 0 active_anon:937784kB inactive_anon:16524kB active_file:980kB inactive_file:756kB unevictable:0kB isolated(anon):0kB isolated(file):152kB mapped:213524kB dirty:1684kB writeback:16kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 784384kB writeback_tmp:0kB kernel_stack:20800kB all_unreclaimable? no [ 1682.757762][ T7146] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1682.784978][ T7146] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1682.814496][ T7146] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1682.820250][ T7146] Node 0 DMA32 free:17868kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:933688kB inactive_anon:16524kB active_file:880kB inactive_file:704kB unevictable:0kB writepending:1700kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:44252kB bounce:0kB free_pcp:516kB local_pcp:328kB free_cma:0kB [ 1682.852755][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1682.857577][ T7146] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1682.917073][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1682.921794][ T7146] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1682.952395][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1682.957161][ T7146] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1682.973616][ T7146] Node 0 DMA32: 2008*4kB (UME) 595*8kB (UME) 157*16kB (UME) 60*32kB (M) 2*64kB (U) 2*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18120kB [ 1682.995798][ T7146] 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 [ 1683.007376][ T7146] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1683.024544][ T7146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1683.041343][ T7146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1683.051815][ T7146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1683.071724][ T7146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1683.082162][ T7146] 4808 total pagecache pages [ 1683.093995][ T7146] 0 pages in swap cache [ 1683.099363][ T7146] Swap cache stats: add 0, delete 0, find 0/0 [ 1683.111464][ T7146] Free swap = 0kB [ 1683.119126][ T7146] Total swap = 0kB [ 1683.132949][ T7146] 1965979 pages RAM [ 1683.136968][ T7146] 0 pages HighMem/MovableOnly [ 1683.141843][ T7146] 349901 pages reserved [ 1683.152485][ T7146] 0 pages cma reserved [ 1683.156865][ T7146] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=13829,uid=0 [ 1683.179820][ T7146] Out of memory: Killed process 13829 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1683.208865][ T1151] oom_reaper: reaped process 13829 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1683.270672][T27196] syz-executor.3 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 1683.286708][T27196] CPU: 0 PID: 27196 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1683.296726][T27196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1683.306872][T27196] Call Trace: [ 1683.310169][T27196] dump_stack+0x18f/0x20d [ 1683.314534][T27196] dump_header+0x106/0x60f [ 1683.318971][T27196] oom_kill_process.cold+0x10/0x15 [ 1683.324083][T27196] out_of_memory+0x326/0x1340 [ 1683.328775][T27196] ? oom_killer_disable+0x270/0x270 [ 1683.333980][T27196] ? mutex_trylock+0x246/0x2c0 [ 1683.338755][T27196] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1683.345477][T27196] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1683.352099][T27196] ? warn_alloc+0x120/0x120 [ 1683.356615][T27196] ? fs_reclaim_release+0x94/0xf0 [ 1683.361657][T27196] ? lock_is_held_type+0xb0/0xe0 [ 1683.366612][T27196] __alloc_pages_nodemask+0x5a3/0x700 [ 1683.371992][T27196] ? __pte_alloc+0x1b1/0x310 [ 1683.376617][T27196] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1683.383392][T27196] ? rwlock_bug.part.0+0x90/0x90 [ 1683.388345][T27196] alloc_pages_vma+0xdd/0x720 [ 1683.393066][T27196] handle_mm_fault+0x261d/0x43f0 [ 1683.398022][T27196] ? apply_to_existing_page_range+0x40/0x40 [ 1683.403967][T27196] ? vmacache_update+0xce/0x140 [ 1683.408871][T27196] do_user_addr_fault+0x5a2/0xd00 [ 1683.413912][T27196] exc_page_fault+0xab/0x170 [ 1683.418521][T27196] ? asm_exc_page_fault+0x8/0x30 [ 1683.423466][T27196] asm_exc_page_fault+0x1e/0x30 [ 1683.428330][T27196] RIP: 0033:0x400684 [ 1683.432216][T27196] Code: Bad RIP value. [ 1683.436280][T27196] RSP: 002b:00007ffdbb88d140 EFLAGS: 00010202 [ 1683.442346][T27196] RAX: 0000000020000000 RBX: 0000000000000000 RCX: 0000000020000100 [ 1683.450320][T27196] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000020000000 [ 1683.458299][T27196] RBP: 0000000000790168 R08: 0000000000000000 R09: 0000000000000000 [ 1683.466277][T27196] R10: 00007ffdbb88d260 R11: 0000000000000246 R12: 0000000000790170 [ 1683.474253][T27196] R13: 000000000018f24e R14: fffffffffffffffe R15: 000000000078bf0c [ 1683.500235][T27196] Mem-Info: [ 1683.503440][T27196] active_anon:233951 inactive_anon:4132 isolated_anon:0 [ 1683.503440][T27196] active_file:191 inactive_file:231 isolated_file:0 [ 1683.503440][T27196] unevictable:0 dirty:421 writeback:4 [ 1683.503440][T27196] slab_reclaimable:14705 slab_unreclaimable:103812 [ 1683.503440][T27196] mapped:53381 shmem:4360 pagetables:11085 bounce:0 [ 1683.503440][T27196] free:13752 free_pcp:124 free_cma:0 [ 1683.541001][T27196] Node 0 active_anon:935628kB inactive_anon:16524kB active_file:992kB inactive_file:864kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 782336kB writeback_tmp:0kB kernel_stack:20768kB all_unreclaimable? yes [ 1683.570842][T27196] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1683.599306][T27196] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1683.644176][T27196] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1683.649941][T27196] Node 0 DMA32 free:17396kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:931532kB inactive_anon:16524kB active_file:768kB inactive_file:988kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:44144kB bounce:0kB free_pcp:524kB local_pcp:260kB free_cma:0kB [ 1683.680583][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1683.685488][T27196] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1683.712955][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1683.717657][T27196] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1683.779823][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1683.798013][T27196] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1683.827270][T27196] Node 0 DMA32: 2023*4kB (UME) 575*8kB (UME) 155*16kB (UME) 61*32kB (UM) 1*64kB (U) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17444kB [ 1683.852617][T27196] 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 [ 1683.867125][T27196] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1683.890621][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1683.900432][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1683.909841][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1683.919469][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1683.928912][T27196] 4808 total pagecache pages [ 1683.934967][T27196] 0 pages in swap cache [ 1683.939132][T27196] Swap cache stats: add 0, delete 0, find 0/0 [ 1683.945239][T27196] Free swap = 0kB [ 1683.949001][T27196] Total swap = 0kB [ 1683.952753][T27196] 1965979 pages RAM [ 1683.956598][T27196] 0 pages HighMem/MovableOnly [ 1683.961277][T27196] 349901 pages reserved [ 1683.966998][T27196] 0 pages cma reserved [ 1683.971460][T27196] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=13818,uid=0 [ 1683.998060][T27196] Out of memory: Killed process 13818 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1684.027411][ T1151] oom_reaper: reaped process 13818 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1684.137274][ T7146] syz-executor.3 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1684.150228][ T7146] CPU: 0 PID: 7146 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1684.160054][ T7146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1684.170117][ T7146] Call Trace: [ 1684.173425][ T7146] dump_stack+0x18f/0x20d [ 1684.177768][ T7146] dump_header+0x106/0x60f [ 1684.182196][ T7146] oom_kill_process.cold+0x10/0x15 [ 1684.187316][ T7146] out_of_memory+0x326/0x1340 [ 1684.191995][ T7146] ? oom_killer_disable+0x270/0x270 [ 1684.197312][ T7146] ? mutex_trylock+0x246/0x2c0 [ 1684.202089][ T7146] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1684.208767][ T7146] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1684.215406][ T7146] ? warn_alloc+0x120/0x120 [ 1684.219905][ T7146] ? fs_reclaim_release+0x94/0xf0 [ 1684.224915][ T7146] ? lock_is_held_type+0xb0/0xe0 [ 1684.229834][ T7146] ? find_get_entry+0x3b2/0x8a0 [ 1684.234690][ T7146] __alloc_pages_nodemask+0x5a3/0x700 [ 1684.240084][ T7146] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1684.246851][ T7146] ? page_cache_readahead_unbounded+0x572/0x850 [ 1684.253087][ T7146] ? __lock_page_or_retry+0x650/0x650 [ 1684.258453][ T7146] alloc_pages_current+0x187/0x280 [ 1684.263574][ T7146] __page_cache_alloc+0x31e/0x450 [ 1684.268611][ T7146] pagecache_get_page+0x2a6/0xf70 [ 1684.273649][ T7146] ? __do_page_cache_readahead+0xc2/0xf0 [ 1684.279309][ T7146] filemap_fault+0x1a94/0x2ab0 [ 1684.284063][ T7146] ext4_filemap_fault+0x87/0xb6 [ 1684.288896][ T7146] __do_fault+0x10d/0x4d0 [ 1684.293224][ T7146] handle_mm_fault+0x37a3/0x43f0 [ 1684.298178][ T7146] ? apply_to_existing_page_range+0x40/0x40 [ 1684.304099][ T7146] ? vmacache_update+0xce/0x140 [ 1684.308956][ T7146] do_user_addr_fault+0x5a2/0xd00 [ 1684.313974][ T7146] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1684.319521][ T7146] exc_page_fault+0xab/0x170 [ 1684.324123][ T7146] ? asm_exc_page_fault+0x8/0x30 [ 1684.329093][ T7146] asm_exc_page_fault+0x1e/0x30 [ 1684.333949][ T7146] RIP: 0033:0x45b030 [ 1684.337833][ T7146] Code: Bad RIP value. [ 1684.341892][ T7146] RSP: 002b:00007ffdbb88d318 EFLAGS: 00010246 [ 1684.347941][ T7146] RAX: 0000000000000000 RBX: 000000000018f234 RCX: 000000000045b030 [ 1684.355904][ T7146] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffdbb88d320 [ 1684.363886][ T7146] RBP: 00000000000007ef R08: 0000000000000001 R09: 000000000224b940 [ 1684.371865][ T7146] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 1684.379842][ T7146] R13: 00007ffdbb88d370 R14: 000000000018f0c8 R15: 00007ffdbb88d380 [ 1684.406964][ T7146] Mem-Info: [ 1684.410131][ T7146] active_anon:233408 inactive_anon:4132 isolated_anon:0 [ 1684.410131][ T7146] active_file:148 inactive_file:269 isolated_file:0 [ 1684.410131][ T7146] unevictable:0 dirty:421 writeback:0 [ 1684.410131][ T7146] slab_reclaimable:14705 slab_unreclaimable:103818 [ 1684.410131][ T7146] mapped:53381 shmem:4360 pagetables:11058 bounce:0 [ 1684.410131][ T7146] free:13728 free_pcp:135 free_cma:0 [ 1684.447478][ T7146] Node 0 active_anon:933476kB inactive_anon:16524kB active_file:740kB inactive_file:976kB unevictable:0kB isolated(anon):0kB isolated(file):124kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 782336kB writeback_tmp:0kB kernel_stack:20736kB all_unreclaimable? no [ 1684.477380][ T7146] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1684.505854][ T7146] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1684.549209][ T7146] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1684.555114][ T7146] Node 0 DMA32 free:17716kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:929380kB inactive_anon:16524kB active_file:476kB inactive_file:1176kB unevictable:0kB writepending:1668kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:44144kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1684.626661][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1684.631355][ T7146] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1684.666829][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1684.671565][ T7146] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1684.709089][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1684.713871][ T7146] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1684.730680][ T7146] Node 0 DMA32: 2040*4kB (ME) 570*8kB (UME) 156*16kB (UME) 61*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17168kB [ 1684.753229][ T7146] 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 [ 1684.765114][ T7146] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1684.782281][ T7146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1684.794240][ T7146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1684.803649][ T7146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1684.813364][ T7146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1684.822667][ T7146] 4807 total pagecache pages [ 1684.840334][ T7146] 0 pages in swap cache [ 1684.883610][ T7146] Swap cache stats: add 0, delete 0, find 0/0 [ 1684.889713][ T7146] Free swap = 0kB [ 1684.906633][ T7146] Total swap = 0kB [ 1684.910377][ T7146] 1965979 pages RAM [ 1684.924086][ T7146] 0 pages HighMem/MovableOnly [ 1684.928787][ T7146] 349901 pages reserved [ 1684.941231][ T7146] 0 pages cma reserved [ 1684.952276][ T7146] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=12734,uid=0 [ 1684.970539][ T7146] Out of memory: Killed process 12734 (syz-executor.4) total-vm:74980kB, anon-rss:2212kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1684.989457][ T1151] oom_reaper: reaped process 12734 (syz-executor.4), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1685.050507][T27196] syz-executor.3 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 1685.098679][T27196] CPU: 0 PID: 27196 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1685.108601][T27196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1685.118668][T27196] Call Trace: [ 1685.121982][T27196] dump_stack+0x18f/0x20d [ 1685.126327][T27196] dump_header+0x106/0x60f [ 1685.130757][T27196] oom_kill_process.cold+0x10/0x15 [ 1685.135894][T27196] out_of_memory+0x326/0x1340 [ 1685.140589][T27196] ? oom_killer_disable+0x270/0x270 [ 1685.145805][T27196] ? mutex_trylock+0x246/0x2c0 [ 1685.150586][T27196] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1685.157285][T27196] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1685.163911][T27196] ? warn_alloc+0x120/0x120 [ 1685.168425][T27196] ? fs_reclaim_release+0x94/0xf0 [ 1685.173470][T27196] ? lock_is_held_type+0xb0/0xe0 [ 1685.178436][T27196] __alloc_pages_nodemask+0x5a3/0x700 [ 1685.183824][T27196] ? __pte_alloc+0x1b1/0x310 [ 1685.188429][T27196] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1685.195202][T27196] ? rwlock_bug.part.0+0x90/0x90 [ 1685.200149][T27196] alloc_pages_vma+0xdd/0x720 [ 1685.204839][T27196] handle_mm_fault+0x261d/0x43f0 [ 1685.211008][T27196] ? apply_to_existing_page_range+0x40/0x40 [ 1685.216922][T27196] ? vmacache_update+0xce/0x140 [ 1685.221794][T27196] do_user_addr_fault+0x5a2/0xd00 [ 1685.226807][T27196] exc_page_fault+0xab/0x170 [ 1685.231383][T27196] ? asm_exc_page_fault+0x8/0x30 [ 1685.236327][T27196] asm_exc_page_fault+0x1e/0x30 [ 1685.241200][T27196] RIP: 0033:0x400684 [ 1685.245107][T27196] Code: Bad RIP value. [ 1685.249151][T27196] RSP: 002b:00007ffdbb88d140 EFLAGS: 00010202 [ 1685.255214][T27196] RAX: 0000000020000000 RBX: 0000000000000000 RCX: 0000000020000100 [ 1685.263170][T27196] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000020000000 [ 1685.271125][T27196] RBP: 0000000000790168 R08: 0000000000000000 R09: 0000000000000000 [ 1685.279085][T27196] R10: 00007ffdbb88d260 R11: 0000000000000246 R12: 0000000000790170 [ 1685.287074][T27196] R13: 000000000018f24e R14: fffffffffffffffe R15: 000000000078bf0c [ 1685.315874][T27196] Mem-Info: [ 1685.319037][T27196] active_anon:232862 inactive_anon:4132 isolated_anon:0 [ 1685.319037][T27196] active_file:354 inactive_file:101 isolated_file:13 [ 1685.319037][T27196] unevictable:0 dirty:421 writeback:0 [ 1685.319037][T27196] slab_reclaimable:14704 slab_unreclaimable:103521 [ 1685.319037][T27196] mapped:53381 shmem:4360 pagetables:11031 bounce:0 [ 1685.319037][T27196] free:13766 free_pcp:54 free_cma:0 [ 1685.359354][T27196] Node 0 active_anon:931292kB inactive_anon:16524kB active_file:1008kB inactive_file:828kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 780288kB writeback_tmp:0kB kernel_stack:20704kB all_unreclaimable? no [ 1685.389699][T27196] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1685.418959][T27196] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1685.457553][T27196] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1685.463359][T27196] Node 0 DMA32 free:17256kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:927196kB inactive_anon:16524kB active_file:816kB inactive_file:1212kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:44036kB bounce:0kB free_pcp:460kB local_pcp:228kB free_cma:0kB [ 1685.497363][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1685.502068][T27196] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1685.529064][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1685.542967][T27196] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1685.573252][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1685.577961][T27196] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1685.593356][T27196] Node 0 DMA32: 2035*4kB (ME) 560*8kB (UME) 148*16kB (ME) 55*32kB (UM) 2*64kB (U) 2*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17132kB [ 1685.608358][T27196] 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 [ 1685.627267][T27196] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1685.651487][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1685.661479][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1685.678125][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1685.691863][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1685.708549][T27196] 4807 total pagecache pages [ 1685.717580][T27196] 0 pages in swap cache [ 1685.721729][T27196] Swap cache stats: add 0, delete 0, find 0/0 [ 1685.737458][T27196] Free swap = 0kB [ 1685.741334][T27196] Total swap = 0kB [ 1685.745810][T27196] 1965979 pages RAM [ 1685.755872][T27196] 0 pages HighMem/MovableOnly [ 1685.760761][T27196] 349901 pages reserved [ 1685.764990][T27196] 0 pages cma reserved [ 1685.769058][T27196] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=12586,uid=0 [ 1685.783463][T27196] Out of memory: Killed process 12586 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1685.852866][ T6797] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1685.875185][ T6797] CPU: 1 PID: 6797 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1685.884668][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1685.894728][ T6797] Call Trace: [ 1685.898032][ T6797] dump_stack+0x18f/0x20d [ 1685.902389][ T6797] dump_header+0x106/0x60f [ 1685.906837][ T6797] oom_kill_process.cold+0x10/0x15 [ 1685.912199][ T6797] out_of_memory+0x326/0x1340 [ 1685.916863][ T6797] ? oom_killer_disable+0x270/0x270 [ 1685.922046][ T6797] ? mutex_trylock+0x246/0x2c0 [ 1685.926800][ T6797] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1685.933488][ T6797] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1685.940099][ T6797] ? warn_alloc+0x120/0x120 [ 1685.944591][ T6797] ? fs_reclaim_release+0x94/0xf0 [ 1685.949602][ T6797] ? lock_is_held_type+0xb0/0xe0 [ 1685.954524][ T6797] ? find_get_entry+0x3b2/0x8a0 [ 1685.959382][ T6797] __alloc_pages_nodemask+0x5a3/0x700 [ 1685.964749][ T6797] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1685.971526][ T6797] ? page_cache_readahead_unbounded+0x572/0x850 [ 1685.977759][ T6797] ? __lock_page_or_retry+0x650/0x650 [ 1685.983119][ T6797] alloc_pages_current+0x187/0x280 [ 1685.988217][ T6797] __page_cache_alloc+0x31e/0x450 [ 1685.993227][ T6797] pagecache_get_page+0x2a6/0xf70 [ 1685.998252][ T6797] ? __do_page_cache_readahead+0xc2/0xf0 [ 1686.003868][ T6797] filemap_fault+0x1a94/0x2ab0 [ 1686.008619][ T6797] ext4_filemap_fault+0x87/0xb6 [ 1686.013448][ T6797] __do_fault+0x10d/0x4d0 [ 1686.017760][ T6797] handle_mm_fault+0x37a3/0x43f0 [ 1686.022699][ T6797] ? apply_to_existing_page_range+0x40/0x40 [ 1686.029359][ T6797] ? vmacache_update+0xce/0x140 [ 1686.034192][ T6797] do_user_addr_fault+0x5a2/0xd00 [ 1686.039211][ T6797] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1686.045531][ T6797] exc_page_fault+0xab/0x170 [ 1686.050115][ T6797] ? asm_exc_page_fault+0x8/0x30 [ 1686.055037][ T6797] asm_exc_page_fault+0x1e/0x30 [ 1686.059879][ T6797] RIP: 0033:0x437d60 [ 1686.063744][ T6797] Code: Bad RIP value. [ 1686.067786][ T6797] RSP: 002b:000000c000040728 EFLAGS: 00010206 [ 1686.073831][ T6797] RAX: 0000000000000000 RBX: 000000c000042380 RCX: 0000017cc53fb603 [ 1686.081800][ T6797] RDX: 0000000017a93a1a RSI: 0000000000000663 RDI: 00007ffebc9ed080 [ 1686.089777][ T6797] RBP: 000000c000040750 R08: 0000000000000000 R09: 00007ffebc9ed090 [ 1686.098163][ T6797] R10: 000000000004eea4 R11: 0000000000000202 R12: 00000189b172fbd3 [ 1686.106152][ T6797] R13: 0000000000000001 R14: 00000189b172fbd3 R15: 0000000000000000 [ 1686.136518][ T6797] Mem-Info: [ 1686.139882][ T6797] active_anon:232320 inactive_anon:4132 isolated_anon:0 [ 1686.139882][ T6797] active_file:386 inactive_file:75 isolated_file:0 [ 1686.139882][ T6797] unevictable:0 dirty:421 writeback:0 [ 1686.139882][ T6797] slab_reclaimable:14704 slab_unreclaimable:102839 [ 1686.139882][ T6797] mapped:53381 shmem:4360 pagetables:11005 bounce:0 [ 1686.139882][ T6797] free:13703 free_pcp:116 free_cma:0 [ 1686.177652][ T6797] Node 0 active_anon:929124kB inactive_anon:16524kB active_file:884kB inactive_file:808kB unevictable:0kB isolated(anon):0kB isolated(file):12kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 778240kB writeback_tmp:0kB kernel_stack:20704kB all_unreclaimable? no [ 1686.208128][ T6797] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1686.237702][ T6797] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1686.267432][ T6797] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1686.273229][ T6797] Node 0 DMA32 free:17940kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:925008kB inactive_anon:16524kB active_file:1120kB inactive_file:416kB unevictable:0kB writepending:1688kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:43824kB bounce:0kB free_pcp:244kB local_pcp:244kB free_cma:0kB [ 1686.304039][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1686.308736][ T6797] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1686.360278][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1686.372569][ T6797] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1686.418529][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1686.430751][ T6797] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1686.452504][ T6797] Node 0 DMA32: 2039*4kB (ME) 565*8kB (UME) 150*16kB (UME) 55*32kB (UM) 0*64kB 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17604kB [ 1686.480968][ T6797] 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 [ 1686.501373][ T6797] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1686.526437][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1686.540903][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1686.558191][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1686.570776][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1686.609953][ T6797] 4807 total pagecache pages [ 1686.614614][ T6797] 0 pages in swap cache [ 1686.618769][ T6797] Swap cache stats: add 0, delete 0, find 0/0 [ 1686.624869][ T6797] Free swap = 0kB [ 1686.628582][ T6797] Total swap = 0kB [ 1686.632287][ T6797] 1965979 pages RAM [ 1686.636920][ T6797] 0 pages HighMem/MovableOnly [ 1686.641617][ T6797] 349901 pages reserved [ 1686.645926][ T6797] 0 pages cma reserved [ 1686.650007][ T6797] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=12577,uid=0 [ 1686.680458][ T6797] Out of memory: Killed process 12577 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1686.842315][ T6811] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1686.862637][ T6811] CPU: 1 PID: 6811 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1686.872213][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1686.882275][ T6811] Call Trace: [ 1686.885578][ T6811] dump_stack+0x18f/0x20d [ 1686.889958][ T6811] dump_header+0x106/0x60f [ 1686.894361][ T6811] oom_kill_process.cold+0x10/0x15 [ 1686.899482][ T6811] out_of_memory+0x326/0x1340 [ 1686.904144][ T6811] ? oom_killer_disable+0x270/0x270 [ 1686.909331][ T6811] ? mutex_trylock+0x246/0x2c0 [ 1686.914092][ T6811] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1686.920769][ T6811] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1686.927358][ T6811] ? warn_alloc+0x120/0x120 [ 1686.931841][ T6811] ? fs_reclaim_release+0x94/0xf0 [ 1686.936849][ T6811] ? lock_is_held_type+0xb0/0xe0 [ 1686.942376][ T6811] ? find_get_entry+0x3b2/0x8a0 [ 1686.947212][ T6811] __alloc_pages_nodemask+0x5a3/0x700 [ 1686.952583][ T6811] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1686.959354][ T6811] ? page_cache_readahead_unbounded+0x572/0x850 [ 1686.965583][ T6811] ? __lock_page_or_retry+0x650/0x650 [ 1686.970945][ T6811] alloc_pages_current+0x187/0x280 [ 1686.977000][ T6811] __page_cache_alloc+0x31e/0x450 [ 1686.982013][ T6811] pagecache_get_page+0x2a6/0xf70 [ 1686.987023][ T6811] ? __do_page_cache_readahead+0xc2/0xf0 [ 1686.992637][ T6811] filemap_fault+0x1a94/0x2ab0 [ 1686.997387][ T6811] ext4_filemap_fault+0x87/0xb6 [ 1687.002232][ T6811] __do_fault+0x10d/0x4d0 [ 1687.006542][ T6811] handle_mm_fault+0x37a3/0x43f0 [ 1687.011475][ T6811] ? apply_to_existing_page_range+0x40/0x40 [ 1687.017378][ T6811] do_user_addr_fault+0x5a2/0xd00 [ 1687.022489][ T6811] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1687.028017][ T6811] exc_page_fault+0xab/0x170 [ 1687.032587][ T6811] ? asm_exc_page_fault+0x8/0x30 [ 1687.037504][ T6811] asm_exc_page_fault+0x1e/0x30 [ 1687.042335][ T6811] RIP: 0033:0x460c23 [ 1687.046204][ T6811] Code: Bad RIP value. [ 1687.050246][ T6811] RSP: 002b:000000c00003f6a0 EFLAGS: 00010202 [ 1687.056289][ T6811] RAX: ffffffffffffff92 RBX: 00000000312f1f92 RCX: 0000000000460c23 [ 1687.065209][ T6811] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000001703ac0 [ 1687.073611][ T6811] RBP: 000000c00003f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1687.081559][ T6811] R10: 000000c00003f6d8 R11: 0000000000000202 R12: 0000018908be93a7 [ 1687.089515][ T6811] R13: 0000000000000001 R14: 0000018908be93a7 R15: 0000000000000000 [ 1687.118230][ T6811] Mem-Info: [ 1687.121396][ T6811] active_anon:231776 inactive_anon:4132 isolated_anon:0 [ 1687.121396][ T6811] active_file:165 inactive_file:260 isolated_file:2 [ 1687.121396][ T6811] unevictable:0 dirty:422 writeback:0 [ 1687.121396][ T6811] slab_reclaimable:14696 slab_unreclaimable:103013 [ 1687.121396][ T6811] mapped:53381 shmem:4360 pagetables:10951 bounce:0 [ 1687.121396][ T6811] free:13741 free_pcp:117 free_cma:0 [ 1687.158552][ T6811] Node 0 active_anon:926948kB inactive_anon:16524kB active_file:596kB inactive_file:1040kB unevictable:0kB isolated(anon):0kB isolated(file):72kB mapped:213524kB dirty:1688kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 774144kB writeback_tmp:0kB kernel_stack:20704kB all_unreclaimable? no [ 1687.188950][ T6811] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1687.220876][ T6811] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1687.290986][ T6811] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1687.297082][ T6811] Node 0 DMA32 free:17808kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:922852kB inactive_anon:16524kB active_file:764kB inactive_file:984kB unevictable:0kB writepending:1688kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:43716kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1687.433010][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1687.437741][ T6811] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1687.465311][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1687.470016][ T6811] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1687.504964][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1687.509673][ T6811] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1687.541782][ T6811] Node 0 DMA32: 2063*4kB (UME) 575*8kB (UME) 156*16kB (UME) 55*32kB (UM) 0*64kB 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17876kB [ 1687.595141][ T6811] 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 [ 1687.631942][ T6811] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1687.663483][ T6811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1687.691478][ T6811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1687.712060][ T6811] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1687.732964][ T6811] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1687.742287][ T6811] 4806 total pagecache pages [ 1687.763028][ T6811] 0 pages in swap cache [ 1687.767201][ T6811] Swap cache stats: add 0, delete 0, find 0/0 [ 1687.776787][ T6811] Free swap = 0kB [ 1687.780510][ T6811] Total swap = 0kB [ 1687.801001][ T6811] 1965979 pages RAM [ 1687.804890][ T6811] 0 pages HighMem/MovableOnly [ 1687.809543][ T6811] 349901 pages reserved [ 1687.823018][ T6811] 0 pages cma reserved [ 1687.831749][ T6811] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=12568,uid=0 [ 1687.860797][ T6811] Out of memory: Killed process 12568 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1687.881234][ T1151] oom_reaper: reaped process 12568 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1687.997220][ T3873] systemd-journal invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1688.012952][ T3873] CPU: 0 PID: 3873 Comm: systemd-journal Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1688.022873][ T3873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1688.032960][ T3873] Call Trace: [ 1688.036268][ T3873] dump_stack+0x18f/0x20d [ 1688.040609][ T3873] dump_header+0x106/0x60f [ 1688.045007][ T3873] oom_kill_process.cold+0x10/0x15 [ 1688.050099][ T3873] out_of_memory+0x326/0x1340 [ 1688.054773][ T3873] ? oom_killer_disable+0x270/0x270 [ 1688.059961][ T3873] ? mutex_trylock+0x246/0x2c0 [ 1688.064710][ T3873] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1688.071368][ T3873] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1688.077969][ T3873] ? warn_alloc+0x120/0x120 [ 1688.082465][ T3873] ? fs_reclaim_release+0x94/0xf0 [ 1688.087496][ T3873] ? lock_is_held_type+0xb0/0xe0 [ 1688.092419][ T3873] ? find_get_entry+0x3b2/0x8a0 [ 1688.097277][ T3873] __alloc_pages_nodemask+0x5a3/0x700 [ 1688.102643][ T3873] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1688.109421][ T3873] ? page_cache_readahead_unbounded+0x572/0x850 [ 1688.115689][ T3873] ? __lock_page_or_retry+0x650/0x650 [ 1688.121112][ T3873] alloc_pages_current+0x187/0x280 [ 1688.126256][ T3873] __page_cache_alloc+0x31e/0x450 [ 1688.131308][ T3873] pagecache_get_page+0x2a6/0xf70 [ 1688.136334][ T3873] ? __do_page_cache_readahead+0xc2/0xf0 [ 1688.141975][ T3873] filemap_fault+0x1a94/0x2ab0 [ 1688.146781][ T3873] ext4_filemap_fault+0x87/0xb6 [ 1688.151642][ T3873] __do_fault+0x10d/0x4d0 [ 1688.155999][ T3873] handle_mm_fault+0x37a3/0x43f0 [ 1688.160950][ T3873] ? apply_to_existing_page_range+0x40/0x40 [ 1688.167334][ T3873] do_user_addr_fault+0x5a2/0xd00 [ 1688.172377][ T3873] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1688.177938][ T3873] exc_page_fault+0xab/0x170 [ 1688.182534][ T3873] ? asm_exc_page_fault+0x8/0x30 [ 1688.187500][ T3873] asm_exc_page_fault+0x1e/0x30 [ 1688.192356][ T3873] RIP: 0033:0x7fb1de32f2e3 [ 1688.196783][ T3873] Code: Bad RIP value. [ 1688.200842][ T3873] RSP: 002b:00007ffe3d83c058 EFLAGS: 00010246 [ 1688.206906][ T3873] RAX: 0000000000000001 RBX: 000055ce75f621e0 RCX: 00007fb1de32f2e3 [ 1688.214884][ T3873] RDX: 0000000000000013 RSI: 00007ffe3d83c060 RDI: 0000000000000008 [ 1688.222877][ T3873] RBP: 00007ffe3d83c250 R08: 0000000000000000 R09: 00007ffe3d91e080 [ 1688.231806][ T3873] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3d83c060 [ 1688.239871][ T3873] R13: 0000000000000001 R14: ffffffffffffffff R15: 0005a9e6550b3dc4 [ 1688.278608][ T3873] Mem-Info: [ 1688.281786][ T3873] active_anon:231238 inactive_anon:4132 isolated_anon:0 [ 1688.281786][ T3873] active_file:207 inactive_file:175 isolated_file:32 [ 1688.281786][ T3873] unevictable:0 dirty:421 writeback:0 [ 1688.281786][ T3873] slab_reclaimable:14696 slab_unreclaimable:103128 [ 1688.281786][ T3873] mapped:53381 shmem:4360 pagetables:10951 bounce:0 [ 1688.281786][ T3873] free:13683 free_pcp:113 free_cma:0 [ 1688.318962][ T3873] Node 0 active_anon:924796kB inactive_anon:16524kB active_file:908kB inactive_file:768kB unevictable:0kB isolated(anon):0kB isolated(file):108kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 774144kB writeback_tmp:0kB kernel_stack:20640kB all_unreclaimable? yes [ 1688.349146][ T3873] Node 1 active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1688.397346][ T3873] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1688.425617][ T3873] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1688.431392][ T3873] Node 0 DMA32 free:17576kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:920700kB inactive_anon:16524kB active_file:1648kB inactive_file:616kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:43716kB bounce:0kB free_pcp:476kB local_pcp:232kB free_cma:0kB [ 1688.462336][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1688.467093][ T3873] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1688.495216][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1688.499919][ T3873] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1688.559005][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1688.564018][ T3873] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1688.586632][ T3873] Node 0 DMA32: 2051*4kB (UME) 571*8kB (ME) 158*16kB (UME) 54*32kB (M) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17988kB [ 1688.602319][ T3873] 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 [ 1688.616234][ T3873] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1688.633300][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1688.642849][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1688.664166][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1688.692804][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1688.702551][ T3873] 4805 total pagecache pages [ 1688.707558][ T3873] 0 pages in swap cache [ 1688.711745][ T3873] Swap cache stats: add 0, delete 0, find 0/0 [ 1688.717893][ T3873] Free swap = 0kB [ 1688.721612][ T3873] Total swap = 0kB [ 1688.726841][ T3873] 1965979 pages RAM [ 1688.730651][ T3873] 0 pages HighMem/MovableOnly [ 1688.735366][ T3873] 349901 pages reserved [ 1688.739517][ T3873] 0 pages cma reserved [ 1688.743828][ T3873] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=11479,uid=0 [ 1688.758224][ T3873] Out of memory: Killed process 11479 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1688.776437][ T1151] oom_reaper: reaped process 11479 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1688.932434][T27198] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1688.973034][T27198] CPU: 1 PID: 27198 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1688.982950][T27198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1688.993012][T27198] Call Trace: [ 1688.996320][T27198] dump_stack+0x18f/0x20d [ 1689.000664][T27198] dump_header+0x106/0x60f [ 1689.005091][T27198] oom_kill_process.cold+0x10/0x15 [ 1689.010222][T27198] out_of_memory+0x326/0x1340 [ 1689.014949][T27198] ? oom_killer_disable+0x270/0x270 [ 1689.020140][T27198] ? mutex_trylock+0x246/0x2c0 [ 1689.024890][T27198] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1689.031557][T27198] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1689.038148][T27198] ? warn_alloc+0x120/0x120 [ 1689.042649][T27198] ? fs_reclaim_release+0x94/0xf0 [ 1689.047682][T27198] ? lock_is_held_type+0xb0/0xe0 [ 1689.052608][T27198] ? find_get_entry+0x3b2/0x8a0 [ 1689.057464][T27198] __alloc_pages_nodemask+0x5a3/0x700 [ 1689.062831][T27198] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1689.069603][T27198] ? page_cache_readahead_unbounded+0x572/0x850 [ 1689.076372][T27198] ? __lock_page_or_retry+0x650/0x650 [ 1689.081750][T27198] alloc_pages_current+0x187/0x280 [ 1689.086867][T27198] __page_cache_alloc+0x31e/0x450 [ 1689.091880][T27198] pagecache_get_page+0x2a6/0xf70 [ 1689.096914][T27198] ? __do_page_cache_readahead+0xc2/0xf0 [ 1689.102544][T27198] filemap_fault+0x1a94/0x2ab0 [ 1689.107328][T27198] ext4_filemap_fault+0x87/0xb6 [ 1689.112161][T27198] __do_fault+0x10d/0x4d0 [ 1689.116475][T27198] handle_mm_fault+0x37a3/0x43f0 [ 1689.121395][T27198] ? apply_to_existing_page_range+0x40/0x40 [ 1689.127290][T27198] do_user_addr_fault+0x5a2/0xd00 [ 1689.132310][T27198] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1689.137844][T27198] exc_page_fault+0xab/0x170 [ 1689.142430][T27198] ? asm_exc_page_fault+0x8/0x30 [ 1689.147352][T27198] asm_exc_page_fault+0x1e/0x30 [ 1689.152182][T27198] RIP: 0033:0x45fffa [ 1689.156156][T27198] Code: Bad RIP value. [ 1689.160214][T27198] RSP: 002b:00007fff992867a8 EFLAGS: 00010246 [ 1689.166690][T27198] RAX: 00007fff99286800 RBX: 0000000000000000 RCX: 0000000000000040 [ 1689.174652][T27198] RDX: 0000000000000001 RSI: 0000000000000040 RDI: 00007fff99286940 [ 1689.182636][T27198] RBP: 0000000000000000 R08: 00000000004c25df R09: 00007fff992867e8 [ 1689.190596][T27198] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000000 [ 1689.198561][T27198] R13: 00007fff992868f0 R14: 0000000000000000 R15: 00007fff99286900 [ 1689.248824][T27198] Mem-Info: [ 1689.252207][T27198] active_anon:230690 inactive_anon:4132 isolated_anon:0 [ 1689.252207][T27198] active_file:209 inactive_file:205 isolated_file:0 [ 1689.252207][T27198] unevictable:0 dirty:422 writeback:0 [ 1689.252207][T27198] slab_reclaimable:14695 slab_unreclaimable:102501 [ 1689.252207][T27198] mapped:53381 shmem:4360 pagetables:10897 bounce:0 [ 1689.252207][T27198] free:13596 free_pcp:0 free_cma:0 [ 1689.312228][T27198] Node 0 active_anon:922604kB inactive_anon:16524kB active_file:940kB inactive_file:800kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1688kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 770048kB writeback_tmp:0kB kernel_stack:20608kB all_unreclaimable? yes [ 1689.368796][T27198] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1689.403864][T27198] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1689.431878][T27198] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1689.437711][T27198] Node 0 DMA32 free:17228kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:918508kB inactive_anon:16524kB active_file:728kB inactive_file:868kB unevictable:0kB writepending:1688kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:43500kB bounce:0kB free_pcp:240kB local_pcp:0kB free_cma:0kB [ 1689.477202][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1689.481921][T27198] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1689.509182][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1689.525004][T27198] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1689.556357][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1689.561065][T27198] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1689.576948][T27198] Node 0 DMA32: 1994*4kB (ME) 582*8kB (UME) 154*16kB (UME) 56*32kB (UM) 1*64kB (U) 2*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17208kB [ 1689.598491][T27198] 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 [ 1689.611827][T27198] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1689.654710][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1689.685780][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1689.706058][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1689.727570][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1689.747746][T27198] 4808 total pagecache pages [ 1689.752387][T27198] 0 pages in swap cache [ 1689.767271][T27198] Swap cache stats: add 0, delete 0, find 0/0 [ 1689.779830][T27198] Free swap = 0kB [ 1689.783612][T27198] Total swap = 0kB [ 1689.787355][T27198] 1965979 pages RAM [ 1689.791164][T27198] 0 pages HighMem/MovableOnly [ 1689.797392][T27198] 349901 pages reserved [ 1689.801609][T27198] 0 pages cma reserved [ 1689.805742][T27198] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=11406,uid=0 [ 1689.821083][T27198] Out of memory: Killed process 11406 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1689.850477][ T1151] oom_reaper: reaped process 11406 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1690.005898][ T6968] syz-executor.1 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1690.017935][ T6968] CPU: 1 PID: 6968 Comm: syz-executor.1 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1690.028695][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1690.038744][ T6968] Call Trace: [ 1690.042041][ T6968] dump_stack+0x18f/0x20d [ 1690.046360][ T6968] dump_header+0x106/0x60f [ 1690.050759][ T6968] oom_kill_process.cold+0x10/0x15 [ 1690.055857][ T6968] out_of_memory+0x326/0x1340 [ 1690.060519][ T6968] ? oom_killer_disable+0x270/0x270 [ 1690.065722][ T6968] ? mutex_trylock+0x246/0x2c0 [ 1690.070473][ T6968] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1690.077153][ T6968] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1690.083742][ T6968] ? warn_alloc+0x120/0x120 [ 1690.088231][ T6968] ? fs_reclaim_release+0x94/0xf0 [ 1690.093257][ T6968] ? lock_is_held_type+0xb0/0xe0 [ 1690.098180][ T6968] ? find_get_entry+0x3b2/0x8a0 [ 1690.103738][ T6968] __alloc_pages_nodemask+0x5a3/0x700 [ 1690.109104][ T6968] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1690.115869][ T6968] ? page_cache_readahead_unbounded+0x572/0x850 [ 1690.122143][ T6968] ? __lock_page_or_retry+0x650/0x650 [ 1690.127511][ T6968] alloc_pages_current+0x187/0x280 [ 1690.132626][ T6968] __page_cache_alloc+0x31e/0x450 [ 1690.137655][ T6968] pagecache_get_page+0x2a6/0xf70 [ 1690.142679][ T6968] ? __do_page_cache_readahead+0xc2/0xf0 [ 1690.148311][ T6968] filemap_fault+0x1a94/0x2ab0 [ 1690.153085][ T6968] ext4_filemap_fault+0x87/0xb6 [ 1690.157933][ T6968] __do_fault+0x10d/0x4d0 [ 1690.162271][ T6968] handle_mm_fault+0x37a3/0x43f0 [ 1690.167232][ T6968] ? apply_to_existing_page_range+0x40/0x40 [ 1690.173124][ T6968] ? vmacache_update+0xce/0x140 [ 1690.177965][ T6968] do_user_addr_fault+0x5a2/0xd00 [ 1690.182989][ T6968] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1690.188628][ T6968] exc_page_fault+0xab/0x170 [ 1690.193203][ T6968] ? asm_exc_page_fault+0x8/0x30 [ 1690.198142][ T6968] asm_exc_page_fault+0x1e/0x30 [ 1690.202982][ T6968] RIP: 0033:0x4169ca [ 1690.206858][ T6968] Code: Bad RIP value. [ 1690.210912][ T6968] RSP: 002b:00007ffea7909038 EFLAGS: 00010246 [ 1690.216956][ T6968] RAX: 0000000000000505 RBX: 0000000000fed940 RCX: 00000000004169ca [ 1690.224920][ T6968] RDX: 0000000040000000 RSI: 00007ffea7909070 RDI: ffffffffffffffff [ 1690.232892][ T6968] RBP: 00000000000007b9 R08: 0000000000000001 R09: 0000000000000001 [ 1690.240854][ T6968] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1690.248831][ T6968] R13: 00007ffea7909070 R14: 0000000000fed99b R15: 00007ffea7909080 [ 1690.281383][ T6968] Mem-Info: [ 1690.284576][ T6968] active_anon:230151 inactive_anon:4132 isolated_anon:0 [ 1690.284576][ T6968] active_file:365 inactive_file:22 isolated_file:30 [ 1690.284576][ T6968] unevictable:0 dirty:420 writeback:0 [ 1690.284576][ T6968] slab_reclaimable:14695 slab_unreclaimable:102511 [ 1690.284576][ T6968] mapped:53381 shmem:4360 pagetables:10897 bounce:0 [ 1690.284576][ T6968] free:13745 free_pcp:0 free_cma:0 [ 1690.321458][ T6968] Node 0 active_anon:920448kB inactive_anon:16524kB active_file:568kB inactive_file:1068kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1680kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 770048kB writeback_tmp:0kB kernel_stack:20576kB all_unreclaimable? no [ 1690.358367][ T6968] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1690.415184][ T6968] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1690.445137][ T6968] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1690.450912][ T6968] Node 0 DMA32 free:17824kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:916352kB inactive_anon:16524kB active_file:1120kB inactive_file:1188kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:43500kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 1690.481771][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1690.486882][ T6968] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1690.519289][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1690.545520][ T6968] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:16kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1690.583849][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1690.588610][ T6968] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1690.603152][ T6968] Node 0 DMA32: 2015*4kB (UME) 554*8kB (UME) 151*16kB (UME) 52*32kB (M) 0*64kB 0*128kB 1*256kB (U) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 17852kB [ 1690.618285][ T6968] 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 [ 1690.631233][ T6968] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1690.649478][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1690.662046][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1690.681200][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1690.691137][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1690.725628][ T6968] 4808 total pagecache pages [ 1690.731193][ T6968] 0 pages in swap cache [ 1690.736846][ T6968] Swap cache stats: add 0, delete 0, find 0/0 [ 1690.747165][ T6968] Free swap = 0kB [ 1690.751213][ T6968] Total swap = 0kB [ 1690.755222][ T6968] 1965979 pages RAM [ 1690.759077][ T6968] 0 pages HighMem/MovableOnly [ 1690.768065][ T6968] 349901 pages reserved [ 1690.772487][ T6968] 0 pages cma reserved [ 1690.776880][ T6968] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=11170,uid=0 [ 1690.791407][ T6968] Out of memory: Killed process 11170 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1690.886039][ T6789] sshd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1690.909718][ T6789] CPU: 0 PID: 6789 Comm: sshd Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1690.918685][ T6789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1690.928724][ T6789] Call Trace: [ 1690.932020][ T6789] dump_stack+0x18f/0x20d [ 1690.936351][ T6789] dump_header+0x106/0x60f [ 1690.940783][ T6789] oom_kill_process.cold+0x10/0x15 [ 1690.945908][ T6789] out_of_memory+0x326/0x1340 [ 1690.950595][ T6789] ? oom_killer_disable+0x270/0x270 [ 1690.955810][ T6789] ? mutex_trylock+0x246/0x2c0 [ 1690.960579][ T6789] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1690.967265][ T6789] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1690.973887][ T6789] ? warn_alloc+0x120/0x120 [ 1690.978398][ T6789] ? fs_reclaim_release+0x94/0xf0 [ 1690.983437][ T6789] ? lock_is_held_type+0xb0/0xe0 [ 1690.988382][ T6789] ? find_get_entry+0x3b2/0x8a0 [ 1690.993245][ T6789] __alloc_pages_nodemask+0x5a3/0x700 [ 1690.998627][ T6789] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1691.005399][ T6789] ? page_cache_readahead_unbounded+0x572/0x850 [ 1691.011667][ T6789] ? __lock_page_or_retry+0x650/0x650 [ 1691.017054][ T6789] alloc_pages_current+0x187/0x280 [ 1691.022180][ T6789] __page_cache_alloc+0x31e/0x450 [ 1691.027221][ T6789] pagecache_get_page+0x2a6/0xf70 [ 1691.032252][ T6789] ? __do_page_cache_readahead+0xc2/0xf0 [ 1691.037891][ T6789] filemap_fault+0x1a94/0x2ab0 [ 1691.042671][ T6789] ext4_filemap_fault+0x87/0xb6 [ 1691.047527][ T6789] __do_fault+0x10d/0x4d0 [ 1691.051867][ T6789] handle_mm_fault+0x37a3/0x43f0 [ 1691.056819][ T6789] ? apply_to_existing_page_range+0x40/0x40 [ 1691.062737][ T6789] do_user_addr_fault+0x5a2/0xd00 [ 1691.067775][ T6789] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1691.074223][ T6789] exc_page_fault+0xab/0x170 [ 1691.078824][ T6789] ? asm_exc_page_fault+0x8/0x30 [ 1691.083939][ T6789] asm_exc_page_fault+0x1e/0x30 [ 1691.096792][ T6789] RIP: 0033:0x7f8f1e0400d0 [ 1691.101200][ T6789] Code: Bad RIP value. [ 1691.105263][ T6789] RSP: 002b:00007fffa8e4b3c0 EFLAGS: 00010216 [ 1691.111324][ T6789] RAX: 0000000000001111 RBX: 0000564c36c7fd80 RCX: 0000000000001000 [ 1691.119298][ T6789] RDX: 0000000000001110 RSI: 0000000000009281 RDI: 0000000000009280 [ 1691.127280][ T6789] RBP: 0000564c36c80e90 R08: 0000000000000110 R09: 00000000025aa784 [ 1691.135258][ T6789] R10: 0000000000000000 R11: 0000000050000000 R12: 00007f8f1e35fb00 [ 1691.143235][ T6789] R13: 0000000000000000 R14: 0000000000000110 R15: 0000000000000100 [ 1691.171219][ T6789] Mem-Info: [ 1691.174421][ T6789] active_anon:229611 inactive_anon:4132 isolated_anon:0 [ 1691.174421][ T6789] active_file:243 inactive_file:210 isolated_file:0 [ 1691.174421][ T6789] unevictable:0 dirty:421 writeback:0 [ 1691.174421][ T6789] slab_reclaimable:14687 slab_unreclaimable:102680 [ 1691.174421][ T6789] mapped:53381 shmem:4360 pagetables:10870 bounce:0 [ 1691.174421][ T6789] free:13676 free_pcp:0 free_cma:0 [ 1691.211385][ T6789] Node 0 active_anon:918288kB inactive_anon:16524kB active_file:976kB inactive_file:836kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 768000kB writeback_tmp:0kB kernel_stack:20512kB all_unreclaimable? no [ 1691.241084][ T6789] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1691.283060][ T6789] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1691.340750][ T6789] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1691.346571][ T6789] Node 0 DMA32 free:17548kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:914192kB inactive_anon:16524kB active_file:1204kB inactive_file:772kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:43392kB bounce:0kB free_pcp:468kB local_pcp:228kB free_cma:0kB [ 1691.396586][ T6789] lowmem_reserve[]: 0 0 0 0 0 [ 1691.401303][ T6789] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1691.432044][ T6789] lowmem_reserve[]: 0 0 0 0 0 [ 1691.436852][ T6789] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1691.468113][ T6789] lowmem_reserve[]: 0 0 0 0 0 [ 1691.472821][ T6789] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1691.487317][ T6789] Node 0 DMA32: 2018*4kB (UME) 554*8kB (ME) 153*16kB (ME) 53*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17608kB [ 1691.504449][ T6789] 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 [ 1691.521865][ T6789] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1691.540420][ T6789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1691.555551][ T6789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1691.565314][ T6789] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1691.575440][ T6789] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1691.585579][ T6789] 4807 total pagecache pages [ 1691.590222][ T6789] 0 pages in swap cache [ 1691.594421][ T6789] Swap cache stats: add 0, delete 0, find 0/0 [ 1691.600546][ T6789] Free swap = 0kB [ 1691.604324][ T6789] Total swap = 0kB [ 1691.608043][ T6789] 1965979 pages RAM [ 1691.611935][ T6789] 0 pages HighMem/MovableOnly [ 1691.618137][ T6789] 349901 pages reserved [ 1691.622298][ T6789] 0 pages cma reserved [ 1691.628496][ T6789] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=11165,uid=0 [ 1691.643032][ T6789] Out of memory: Killed process 11165 (syz-executor.0) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1691.661257][ T1151] oom_reaper: reaped process 11165 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1691.706553][ T3879] systemd-udevd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=-1000 [ 1691.733939][ T3879] CPU: 1 PID: 3879 Comm: systemd-udevd Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1691.743682][ T3879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1691.753774][ T3879] Call Trace: [ 1691.757084][ T3879] dump_stack+0x18f/0x20d [ 1691.761449][ T3879] dump_header+0x106/0x60f [ 1691.765877][ T3879] oom_kill_process.cold+0x10/0x15 [ 1691.771002][ T3879] out_of_memory+0x326/0x1340 [ 1691.775691][ T3879] ? oom_killer_disable+0x270/0x270 [ 1691.780903][ T3879] ? mutex_trylock+0x246/0x2c0 [ 1691.785676][ T3879] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1691.792394][ T3879] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1691.799744][ T3879] ? warn_alloc+0x120/0x120 [ 1691.804266][ T3879] ? fs_reclaim_release+0x94/0xf0 [ 1691.809326][ T3879] ? lock_is_held_type+0xb0/0xe0 [ 1691.814271][ T3879] ? find_get_entry+0x3b2/0x8a0 [ 1691.819135][ T3879] __alloc_pages_nodemask+0x5a3/0x700 [ 1691.824521][ T3879] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1691.831293][ T3879] ? page_cache_readahead_unbounded+0x572/0x850 [ 1691.837547][ T3879] ? __lock_page_or_retry+0x650/0x650 [ 1691.842937][ T3879] alloc_pages_current+0x187/0x280 [ 1691.848083][ T3879] __page_cache_alloc+0x31e/0x450 [ 1691.853119][ T3879] pagecache_get_page+0x2a6/0xf70 [ 1691.858155][ T3879] ? __do_page_cache_readahead+0xc2/0xf0 [ 1691.863828][ T3879] filemap_fault+0x1a94/0x2ab0 [ 1691.868626][ T3879] ext4_filemap_fault+0x87/0xb6 [ 1691.873484][ T3879] __do_fault+0x10d/0x4d0 [ 1691.877825][ T3879] handle_mm_fault+0x37a3/0x43f0 [ 1691.882775][ T3879] ? apply_to_existing_page_range+0x40/0x40 [ 1691.888689][ T3879] do_user_addr_fault+0x5a2/0xd00 [ 1691.893727][ T3879] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1691.899281][ T3879] exc_page_fault+0xab/0x170 [ 1691.903880][ T3879] ? asm_exc_page_fault+0x8/0x30 [ 1691.908850][ T3879] asm_exc_page_fault+0x1e/0x30 [ 1691.913705][ T3879] RIP: 0033:0x7fcd42813e50 [ 1691.918143][ T3879] Code: Bad RIP value. [ 1691.922213][ T3879] RSP: 002b:00007ffc09e03948 EFLAGS: 00010246 [ 1691.928272][ T3879] RAX: 0000000000000000 RBX: 000055bbe30b8140 RCX: 000055bbe30b8101 [ 1691.936222][ T3879] RDX: 00007ffc09e03801 RSI: 000055bbe298d67b RDI: 000055bbe30b8140 [ 1691.944343][ T3879] RBP: 000055bbe2990266 R08: 00007fcd42a881f8 R09: 0000000000001010 [ 1691.952299][ T3879] R10: 00007fcd42a87b58 R11: 0000000000000246 R12: 000055bbe298d856 [ 1691.960260][ T3879] R13: 000055bbe298d67b R14: 00000000ffffffea R15: 000055bbe30b5d30 [ 1691.983836][ T3879] Mem-Info: [ 1691.987005][ T3879] active_anon:229067 inactive_anon:4132 isolated_anon:0 [ 1691.987005][ T3879] active_file:258 inactive_file:210 isolated_file:0 [ 1691.987005][ T3879] unevictable:0 dirty:421 writeback:0 [ 1691.987005][ T3879] slab_reclaimable:14687 slab_unreclaimable:102746 [ 1691.987005][ T3879] mapped:53381 shmem:4360 pagetables:10843 bounce:0 [ 1691.987005][ T3879] free:13761 free_pcp:167 free_cma:0 [ 1692.027876][ T3879] Node 0 active_anon:916112kB inactive_anon:16524kB active_file:900kB inactive_file:704kB unevictable:0kB isolated(anon):0kB isolated(file):112kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 765952kB writeback_tmp:0kB kernel_stack:20480kB all_unreclaimable? no [ 1692.057834][ T3879] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1692.085788][ T3879] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1692.115439][ T3879] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1692.121216][ T3879] Node 0 DMA32 free:17888kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:912016kB inactive_anon:16524kB active_file:652kB inactive_file:972kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:43284kB bounce:0kB free_pcp:240kB local_pcp:240kB free_cma:0kB [ 1692.169205][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1692.173972][ T3879] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1692.230636][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1692.235442][ T3879] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1692.265294][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1692.270000][ T3879] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1692.284999][ T3879] Node 0 DMA32: 2072*4kB (UME) 563*8kB (UME) 156*16kB (UME) 53*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 18456kB [ 1692.304427][ T3879] 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 [ 1692.315979][ T3879] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1692.334356][ T3879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1692.344027][ T3879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1692.353419][ T3879] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1692.363057][ T3879] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1692.372369][ T3879] 4807 total pagecache pages [ 1692.377072][ T3879] 0 pages in swap cache [ 1692.381260][ T3879] Swap cache stats: add 0, delete 0, find 0/0 [ 1692.387413][ T3879] Free swap = 0kB [ 1692.391235][ T3879] Total swap = 0kB [ 1692.395912][ T3879] 1965979 pages RAM [ 1692.399721][ T3879] 0 pages HighMem/MovableOnly [ 1692.405571][ T3879] 349901 pages reserved [ 1692.409734][ T3879] 0 pages cma reserved [ 1692.416008][ T3879] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=10060,uid=0 [ 1692.430448][ T3879] Out of memory: Killed process 10060 (syz-executor.4) total-vm:75112kB, anon-rss:2212kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1692.447823][ T1151] oom_reaper: reaped process 10060 (syz-executor.4), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1692.471794][ T4427] systemd-timesyn invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1692.562012][ T4427] CPU: 1 PID: 4427 Comm: systemd-timesyn Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1692.571921][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1692.581967][ T4427] Call Trace: [ 1692.585257][ T4427] dump_stack+0x18f/0x20d [ 1692.589570][ T4427] dump_header+0x106/0x60f [ 1692.593985][ T4427] oom_kill_process.cold+0x10/0x15 [ 1692.599075][ T4427] out_of_memory+0x326/0x1340 [ 1692.603751][ T4427] ? oom_killer_disable+0x270/0x270 [ 1692.608931][ T4427] ? mutex_trylock+0x246/0x2c0 [ 1692.613693][ T4427] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1692.620361][ T4427] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1692.626957][ T4427] ? warn_alloc+0x120/0x120 [ 1692.631442][ T4427] ? fs_reclaim_release+0x94/0xf0 [ 1692.636453][ T4427] ? lock_is_held_type+0xb0/0xe0 [ 1692.641413][ T4427] ? find_get_entry+0x3b2/0x8a0 [ 1692.646296][ T4427] __alloc_pages_nodemask+0x5a3/0x700 [ 1692.651665][ T4427] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1692.658432][ T4427] ? page_cache_readahead_unbounded+0x572/0x850 [ 1692.664658][ T4427] ? __lock_page_or_retry+0x650/0x650 [ 1692.670029][ T4427] alloc_pages_current+0x187/0x280 [ 1692.675123][ T4427] __page_cache_alloc+0x31e/0x450 [ 1692.680138][ T4427] pagecache_get_page+0x2a6/0xf70 [ 1692.686819][ T4427] ? __do_page_cache_readahead+0xc2/0xf0 [ 1692.692446][ T4427] filemap_fault+0x1a94/0x2ab0 [ 1692.697202][ T4427] ext4_filemap_fault+0x87/0xb6 [ 1692.702051][ T4427] __do_fault+0x10d/0x4d0 [ 1692.706367][ T4427] handle_mm_fault+0x37a3/0x43f0 [ 1692.711294][ T4427] ? apply_to_existing_page_range+0x40/0x40 [ 1692.717190][ T4427] do_user_addr_fault+0x5a2/0xd00 [ 1692.722206][ T4427] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1692.727746][ T4427] exc_page_fault+0xab/0x170 [ 1692.732327][ T4427] ? asm_exc_page_fault+0x8/0x30 [ 1692.737251][ T4427] asm_exc_page_fault+0x1e/0x30 [ 1692.742107][ T4427] RIP: 0033:0x7f9e5fba5303 [ 1692.746496][ T4427] Code: Bad RIP value. [ 1692.750537][ T4427] RSP: 002b:00007fff51298500 EFLAGS: 00010293 [ 1692.756585][ T4427] RAX: 0000000000000001 RBX: 00005652ca80f8f0 RCX: 00007f9e5fba5303 [ 1692.764538][ T4427] RDX: 0000000000000006 RSI: 00007fff51298510 RDI: 0000000000000004 [ 1692.772503][ T4427] RBP: 00007fff51298660 R08: 0000000000000000 R09: 000000000000000d [ 1692.780468][ T4427] R10: 00000000ffffffff R11: 0000000000000293 R12: 00007fff51298510 [ 1692.788419][ T4427] R13: 0000000000000001 R14: ffffffffffffffff R15: 0000000000000000 [ 1692.860802][ T4427] Mem-Info: [ 1692.868021][ T4427] active_anon:228515 inactive_anon:4132 isolated_anon:0 [ 1692.868021][ T4427] active_file:126 inactive_file:302 isolated_file:0 [ 1692.868021][ T4427] unevictable:0 dirty:421 writeback:0 [ 1692.868021][ T4427] slab_reclaimable:14685 slab_unreclaimable:102986 [ 1692.868021][ T4427] mapped:53381 shmem:4360 pagetables:10790 bounce:0 [ 1692.868021][ T4427] free:13695 free_pcp:57 free_cma:0 [ 1692.912258][ T4427] Node 0 active_anon:913904kB inactive_anon:16524kB active_file:904kB inactive_file:748kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 761856kB writeback_tmp:0kB kernel_stack:20448kB all_unreclaimable? yes [ 1692.954103][ T4427] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1692.989351][ T4427] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1693.025144][ T4427] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1693.031093][ T4427] Node 0 DMA32 free:17624kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:909808kB inactive_anon:16524kB active_file:1044kB inactive_file:1080kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:43072kB bounce:0kB free_pcp:472kB local_pcp:228kB free_cma:0kB [ 1693.076967][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1693.081873][ T4427] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1693.115061][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1693.119966][ T4427] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1693.155702][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1693.160967][ T4427] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1693.183788][ T4427] Node 0 DMA32: 2028*4kB (ME) 566*8kB (UME) 155*16kB (UME) 53*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17776kB [ 1693.209444][ T4427] 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 [ 1693.222607][ T4427] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1693.248448][ T4427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1693.260893][ T4427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1693.277916][ T4427] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1693.291928][ T4427] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1693.306357][ T4427] 4807 total pagecache pages [ 1693.311151][ T4427] 0 pages in swap cache [ 1693.320254][ T4427] Swap cache stats: add 0, delete 0, find 0/0 [ 1693.331050][ T4427] Free swap = 0kB [ 1693.338614][ T4427] Total swap = 0kB [ 1693.342530][ T4427] 1965979 pages RAM [ 1693.349697][ T4427] 0 pages HighMem/MovableOnly [ 1693.358191][ T4427] 349901 pages reserved [ 1693.362542][ T4427] 0 pages cma reserved [ 1693.369967][ T4427] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=25072,uid=0 [ 1693.391732][ T4427] Out of memory: Killed process 25072 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1693.546118][ T6797] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1693.557755][ T6797] CPU: 0 PID: 6797 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1693.567226][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1693.577286][ T6797] Call Trace: [ 1693.580618][ T6797] dump_stack+0x18f/0x20d [ 1693.584964][ T6797] dump_header+0x106/0x60f [ 1693.589399][ T6797] oom_kill_process.cold+0x10/0x15 [ 1693.594523][ T6797] out_of_memory+0x326/0x1340 [ 1693.599216][ T6797] ? oom_killer_disable+0x270/0x270 [ 1693.604425][ T6797] ? mutex_trylock+0x246/0x2c0 [ 1693.609200][ T6797] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1693.615887][ T6797] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1693.622505][ T6797] ? warn_alloc+0x120/0x120 [ 1693.627019][ T6797] ? fs_reclaim_release+0x94/0xf0 [ 1693.632063][ T6797] ? lock_is_held_type+0xb0/0xe0 [ 1693.637008][ T6797] ? find_get_entry+0x3b2/0x8a0 [ 1693.641858][ T6797] __alloc_pages_nodemask+0x5a3/0x700 [ 1693.647257][ T6797] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1693.654020][ T6797] ? page_cache_readahead_unbounded+0x572/0x850 [ 1693.660269][ T6797] ? __lock_page_or_retry+0x650/0x650 [ 1693.665662][ T6797] alloc_pages_current+0x187/0x280 [ 1693.670776][ T6797] __page_cache_alloc+0x31e/0x450 [ 1693.675788][ T6797] pagecache_get_page+0x2a6/0xf70 [ 1693.680798][ T6797] ? __do_page_cache_readahead+0xc2/0xf0 [ 1693.686428][ T6797] filemap_fault+0x1a94/0x2ab0 [ 1693.691210][ T6797] ext4_filemap_fault+0x87/0xb6 [ 1693.696082][ T6797] __do_fault+0x10d/0x4d0 [ 1693.700402][ T6797] handle_mm_fault+0x37a3/0x43f0 [ 1693.705334][ T6797] ? apply_to_existing_page_range+0x40/0x40 [ 1693.711237][ T6797] ? vmacache_update+0xce/0x140 [ 1693.716094][ T6797] do_user_addr_fault+0x5a2/0xd00 [ 1693.721141][ T6797] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1693.726689][ T6797] exc_page_fault+0xab/0x170 [ 1693.731269][ T6797] ? asm_exc_page_fault+0x8/0x30 [ 1693.736195][ T6797] asm_exc_page_fault+0x1e/0x30 [ 1693.741028][ T6797] RIP: 0033:0x437d60 [ 1693.744906][ T6797] Code: Bad RIP value. [ 1693.748978][ T6797] RSP: 002b:000000c000040728 EFLAGS: 00010206 [ 1693.755039][ T6797] RAX: 0000000000000000 RBX: 000000c000042380 RCX: 0000017cc53fb603 [ 1693.763015][ T6797] RDX: 0000000017a93a1a RSI: 0000000000000663 RDI: 00007ffebc9ed080 [ 1693.770988][ T6797] RBP: 000000c000040750 R08: 0000000000000000 R09: 00007ffebc9ed090 [ 1693.778956][ T6797] R10: 000000000004eea4 R11: 0000000000000202 R12: 00000189b172fbd3 [ 1693.786939][ T6797] R13: 0000000000000001 R14: 00000189b172fbd3 R15: 0000000000000000 [ 1693.814262][ T6797] Mem-Info: [ 1693.817428][ T6797] active_anon:227981 inactive_anon:4132 isolated_anon:0 [ 1693.817428][ T6797] active_file:279 inactive_file:157 isolated_file:24 [ 1693.817428][ T6797] unevictable:0 dirty:417 writeback:0 [ 1693.817428][ T6797] slab_reclaimable:14685 slab_unreclaimable:102087 [ 1693.817428][ T6797] mapped:53381 shmem:4360 pagetables:10790 bounce:0 [ 1693.817428][ T6797] free:13751 free_pcp:62 free_cma:0 [ 1693.855150][ T6797] Node 0 active_anon:911768kB inactive_anon:16524kB active_file:1236kB inactive_file:512kB unevictable:0kB isolated(anon):0kB isolated(file):224kB mapped:213524kB dirty:1668kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 761856kB writeback_tmp:0kB kernel_stack:20416kB all_unreclaimable? no [ 1693.890952][ T6797] Node 1 active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1693.931441][ T6797] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1693.962715][ T6797] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1693.968524][ T6797] Node 0 DMA32 free:17848kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:907672kB inactive_anon:16524kB active_file:484kB inactive_file:1136kB unevictable:0kB writepending:1668kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:43072kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1693.998969][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1694.003930][ T6797] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1694.031052][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1694.037226][ T6797] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1694.083041][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1694.083132][ C1] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1694.087756][ T6797] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1694.161279][ T6797] Node 0 DMA32: 2046*4kB (ME) 567*8kB (ME) 154*16kB (ME) 53*32kB (UM) 0*64kB 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17520kB [ 1694.176885][ T6797] 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 [ 1694.188369][ T6797] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1694.205431][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1694.215184][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1694.224517][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1694.234775][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1694.261203][ T6797] 4785 total pagecache pages [ 1694.269914][ T6797] 0 pages in swap cache [ 1694.278335][ T6797] Swap cache stats: add 0, delete 0, find 0/0 [ 1694.288360][ T6797] Free swap = 0kB [ 1694.292114][ T6797] Total swap = 0kB [ 1694.296077][ T6797] 1965979 pages RAM [ 1694.299884][ T6797] 0 pages HighMem/MovableOnly [ 1694.325278][ T6797] 349901 pages reserved [ 1694.329529][ T6797] 0 pages cma reserved [ 1694.349039][ T6797] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=24111,uid=0 [ 1694.383090][ T6797] Out of memory: Killed process 24111 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1694.414251][ T1151] oom_reaper: reaped process 24111 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1694.446561][T27198] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1694.472926][T27198] CPU: 0 PID: 27198 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1694.482846][T27198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1694.492941][T27198] Call Trace: [ 1694.496242][T27198] dump_stack+0x18f/0x20d [ 1694.500579][T27198] dump_header+0x106/0x60f [ 1694.505434][T27198] oom_kill_process.cold+0x10/0x15 [ 1694.510558][T27198] out_of_memory+0x326/0x1340 [ 1694.515256][T27198] ? oom_killer_disable+0x270/0x270 [ 1694.520470][T27198] ? mutex_trylock+0x246/0x2c0 [ 1694.525240][T27198] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1694.531934][T27198] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1694.538553][T27198] ? warn_alloc+0x120/0x120 [ 1694.543047][T27198] ? fs_reclaim_release+0x94/0xf0 [ 1694.549048][T27198] ? lock_is_held_type+0xb0/0xe0 [ 1694.553996][T27198] ? find_get_entry+0x3b2/0x8a0 [ 1694.558858][T27198] __alloc_pages_nodemask+0x5a3/0x700 [ 1694.564240][T27198] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1694.571015][T27198] ? page_cache_readahead_unbounded+0x572/0x850 [ 1694.577308][T27198] ? __lock_page_or_retry+0x650/0x650 [ 1694.582691][T27198] alloc_pages_current+0x187/0x280 [ 1694.587810][T27198] __page_cache_alloc+0x31e/0x450 [ 1694.593540][T27198] pagecache_get_page+0x2a6/0xf70 [ 1694.598572][T27198] ? __do_page_cache_readahead+0xc2/0xf0 [ 1694.604215][T27198] filemap_fault+0x1a94/0x2ab0 [ 1694.609011][T27198] ext4_filemap_fault+0x87/0xb6 [ 1694.613862][T27198] __do_fault+0x10d/0x4d0 [ 1694.618199][T27198] handle_mm_fault+0x37a3/0x43f0 [ 1694.623170][T27198] ? apply_to_existing_page_range+0x40/0x40 [ 1694.629088][T27198] do_user_addr_fault+0x5a2/0xd00 [ 1694.634119][T27198] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1694.639671][T27198] exc_page_fault+0xab/0x170 [ 1694.644266][T27198] ? asm_exc_page_fault+0x8/0x30 [ 1694.649202][T27198] asm_exc_page_fault+0x1e/0x30 [ 1694.654042][T27198] RIP: 0033:0x45fffa [ 1694.657931][T27198] Code: Bad RIP value. [ 1694.661992][T27198] RSP: 002b:00007fff992867a8 EFLAGS: 00010246 [ 1694.668054][T27198] RAX: 00007fff99286800 RBX: 0000000000000000 RCX: 0000000000000040 [ 1694.676027][T27198] RDX: 0000000000000001 RSI: 0000000000000040 RDI: 00007fff99286940 [ 1694.684030][T27198] RBP: 0000000000000000 R08: 00000000004c25df R09: 00007fff992867e8 [ 1694.692039][T27198] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000000 [ 1694.700030][T27198] R13: 00007fff992868f0 R14: 0000000000000000 R15: 00007fff99286900 [ 1694.812958][T27198] Mem-Info: [ 1694.817530][T27198] active_anon:227432 inactive_anon:4132 isolated_anon:0 [ 1694.817530][T27198] active_file:212 inactive_file:197 isolated_file:25 [ 1694.817530][T27198] unevictable:0 dirty:421 writeback:0 [ 1694.817530][T27198] slab_reclaimable:14677 slab_unreclaimable:101610 [ 1694.817530][T27198] mapped:53381 shmem:4360 pagetables:10763 bounce:0 [ 1694.817530][T27198] free:13746 free_pcp:110 free_cma:0 [ 1694.873125][T27198] Node 0 active_anon:909572kB inactive_anon:16524kB active_file:768kB inactive_file:840kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 757760kB writeback_tmp:0kB kernel_stack:20384kB all_unreclaimable? no [ 1694.933062][T27198] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1694.990198][T27198] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1695.020006][T27198] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1695.025998][T27198] Node 0 DMA32 free:17292kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:905476kB inactive_anon:16524kB active_file:864kB inactive_file:816kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:42964kB bounce:0kB free_pcp:240kB local_pcp:240kB free_cma:0kB [ 1695.059717][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1695.072080][T27198] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1695.156148][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1695.160877][T27198] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1695.208476][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1695.213318][T27198] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1695.239508][T27198] Node 0 DMA32: 2105*4kB (UME) 571*8kB (UME) 156*16kB (UME) 53*32kB (UM) 0*64kB 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17436kB [ 1695.254717][T27198] 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 [ 1695.271623][T27198] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1695.289149][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1695.298967][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1695.308344][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1695.328479][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1695.337890][T27198] 4809 total pagecache pages [ 1695.342544][T27198] 0 pages in swap cache [ 1695.347646][T27198] Swap cache stats: add 0, delete 0, find 0/0 [ 1695.358378][T27198] Free swap = 0kB [ 1695.362112][T27198] Total swap = 0kB [ 1695.366135][T27198] 1965979 pages RAM [ 1695.369945][T27198] 0 pages HighMem/MovableOnly [ 1695.375165][T27198] 349901 pages reserved [ 1695.379343][T27198] 0 pages cma reserved [ 1695.394214][T27198] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=21363,uid=0 [ 1695.423938][T27198] Out of memory: Killed process 21363 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1695.458085][ T1151] oom_reaper: reaped process 21363 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1695.601513][ T7000] syz-executor.2 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1695.650548][ T7000] CPU: 1 PID: 7000 Comm: syz-executor.2 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1695.660370][ T7000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1695.670429][ T7000] Call Trace: [ 1695.673731][ T7000] dump_stack+0x18f/0x20d [ 1695.678089][ T7000] dump_header+0x106/0x60f [ 1695.682544][ T7000] oom_kill_process.cold+0x10/0x15 [ 1695.687663][ T7000] out_of_memory+0x326/0x1340 [ 1695.692352][ T7000] ? oom_killer_disable+0x270/0x270 [ 1695.697558][ T7000] ? mutex_trylock+0x246/0x2c0 [ 1695.702333][ T7000] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1695.709020][ T7000] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1695.715618][ T7000] ? warn_alloc+0x120/0x120 [ 1695.720111][ T7000] ? fs_reclaim_release+0x94/0xf0 [ 1695.725124][ T7000] ? lock_is_held_type+0xb0/0xe0 [ 1695.730044][ T7000] ? find_get_entry+0x3b2/0x8a0 [ 1695.734905][ T7000] __alloc_pages_nodemask+0x5a3/0x700 [ 1695.740266][ T7000] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1695.747117][ T7000] ? page_cache_readahead_unbounded+0x572/0x850 [ 1695.753358][ T7000] ? __lock_page_or_retry+0x650/0x650 [ 1695.758717][ T7000] alloc_pages_current+0x187/0x280 [ 1695.763817][ T7000] __page_cache_alloc+0x31e/0x450 [ 1695.768824][ T7000] pagecache_get_page+0x2a6/0xf70 [ 1695.773832][ T7000] ? __do_page_cache_readahead+0xc2/0xf0 [ 1695.779450][ T7000] filemap_fault+0x1a94/0x2ab0 [ 1695.784207][ T7000] ext4_filemap_fault+0x87/0xb6 [ 1695.789060][ T7000] __do_fault+0x10d/0x4d0 [ 1695.793380][ T7000] handle_mm_fault+0x37a3/0x43f0 [ 1695.798314][ T7000] ? apply_to_existing_page_range+0x40/0x40 [ 1695.804203][ T7000] ? vmacache_update+0xce/0x140 [ 1695.809041][ T7000] do_user_addr_fault+0x5a2/0xd00 [ 1695.814069][ T7000] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1695.819596][ T7000] exc_page_fault+0xab/0x170 [ 1695.824168][ T7000] ? asm_exc_page_fault+0x8/0x30 [ 1695.829115][ T7000] asm_exc_page_fault+0x1e/0x30 [ 1695.833960][ T7000] RIP: 0033:0x45b030 [ 1695.837846][ T7000] Code: Bad RIP value. [ 1695.842593][ T7000] RSP: 002b:00007ffcc0f82318 EFLAGS: 00010246 [ 1695.848646][ T7000] RAX: 0000000000000000 RBX: 000000000018f0d6 RCX: 000000000045b030 [ 1695.856595][ T7000] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffcc0f82320 [ 1695.864546][ T7000] RBP: 0000000000000b48 R08: 0000000000000001 R09: 0000000001cb9940 [ 1695.873470][ T7000] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1695.881446][ T7000] R13: 00007ffcc0f82370 R14: 000000000018f0d6 R15: 00007ffcc0f82380 [ 1695.923223][ T7000] Mem-Info: [ 1695.926396][ T7000] active_anon:226893 inactive_anon:4132 isolated_anon:0 [ 1695.926396][ T7000] active_file:258 inactive_file:168 isolated_file:49 [ 1695.926396][ T7000] unevictable:0 dirty:421 writeback:0 [ 1695.926396][ T7000] slab_reclaimable:14677 slab_unreclaimable:100957 [ 1695.926396][ T7000] mapped:53381 shmem:4360 pagetables:10737 bounce:0 [ 1695.926396][ T7000] free:13709 free_pcp:62 free_cma:0 [ 1696.004839][ T7000] Node 0 active_anon:907416kB inactive_anon:16524kB active_file:772kB inactive_file:980kB unevictable:0kB isolated(anon):0kB isolated(file):68kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 755712kB writeback_tmp:0kB kernel_stack:20352kB all_unreclaimable? no [ 1696.038831][ T7000] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1696.066501][ T7000] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1696.094412][ T7000] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1696.100199][ T7000] Node 0 DMA32 free:17680kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:903320kB inactive_anon:16524kB active_file:1424kB inactive_file:704kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:42860kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1696.130823][ T7000] lowmem_reserve[]: 0 0 0 0 0 [ 1696.135587][ T7000] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1696.173071][ T7000] lowmem_reserve[]: 0 0 0 0 0 [ 1696.177795][ T7000] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1696.206811][ T7000] lowmem_reserve[]: 0 0 0 0 0 [ 1696.211570][ T7000] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1696.226127][ T7000] Node 0 DMA32: 2076*4kB (ME) 575*8kB (UME) 155*16kB (UME) 53*32kB (UM) 0*64kB 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17464kB [ 1696.241234][ T7000] 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 [ 1696.252919][ T7000] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1696.270121][ T7000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1696.281150][ T7000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1696.299672][ T7000] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1696.310410][ T7000] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1696.333610][ T7000] 4810 total pagecache pages [ 1696.338223][ T7000] 0 pages in swap cache [ 1696.342374][ T7000] Swap cache stats: add 0, delete 0, find 0/0 [ 1696.348481][ T7000] Free swap = 0kB [ 1696.352206][ T7000] Total swap = 0kB [ 1696.355998][ T7000] 1965979 pages RAM [ 1696.359809][ T7000] 0 pages HighMem/MovableOnly [ 1696.364527][ T7000] 349901 pages reserved [ 1696.368682][ T7000] 0 pages cma reserved [ 1696.372755][ T7000] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=21359,uid=0 [ 1696.388607][ T7000] Out of memory: Killed process 21359 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1696.416737][ T1151] oom_reaper: reaped process 21359 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1696.478535][ T7000] syz-executor.2 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1696.512712][ T7000] CPU: 0 PID: 7000 Comm: syz-executor.2 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1696.522534][ T7000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1696.532594][ T7000] Call Trace: [ 1696.535901][ T7000] dump_stack+0x18f/0x20d [ 1696.540268][ T7000] dump_header+0x106/0x60f [ 1696.544696][ T7000] oom_kill_process.cold+0x10/0x15 [ 1696.549819][ T7000] out_of_memory+0x326/0x1340 [ 1696.554512][ T7000] ? oom_killer_disable+0x270/0x270 [ 1696.559724][ T7000] ? mutex_trylock+0x246/0x2c0 [ 1696.564498][ T7000] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1696.571188][ T7000] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1696.577811][ T7000] ? warn_alloc+0x120/0x120 [ 1696.582331][ T7000] ? fs_reclaim_release+0x94/0xf0 [ 1696.587389][ T7000] ? lock_is_held_type+0xb0/0xe0 [ 1696.592327][ T7000] ? find_get_entry+0x3b2/0x8a0 [ 1696.597188][ T7000] __alloc_pages_nodemask+0x5a3/0x700 [ 1696.602587][ T7000] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1696.609385][ T7000] ? page_cache_readahead_unbounded+0x572/0x850 [ 1696.615646][ T7000] ? __lock_page_or_retry+0x650/0x650 [ 1696.621041][ T7000] alloc_pages_current+0x187/0x280 [ 1696.626167][ T7000] __page_cache_alloc+0x31e/0x450 [ 1696.631206][ T7000] pagecache_get_page+0x2a6/0xf70 [ 1696.636240][ T7000] ? __do_page_cache_readahead+0xc2/0xf0 [ 1696.641886][ T7000] filemap_fault+0x1a94/0x2ab0 [ 1696.646665][ T7000] ext4_filemap_fault+0x87/0xb6 [ 1696.651525][ T7000] __do_fault+0x10d/0x4d0 [ 1696.655864][ T7000] handle_mm_fault+0x37a3/0x43f0 [ 1696.660811][ T7000] ? apply_to_existing_page_range+0x40/0x40 [ 1696.666722][ T7000] ? vmacache_update+0xce/0x140 [ 1696.671586][ T7000] do_user_addr_fault+0x5a2/0xd00 [ 1696.676626][ T7000] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1696.682178][ T7000] exc_page_fault+0xab/0x170 [ 1696.686795][ T7000] ? asm_exc_page_fault+0x8/0x30 [ 1696.691763][ T7000] asm_exc_page_fault+0x1e/0x30 [ 1696.696646][ T7000] RIP: 0033:0x45b030 [ 1696.700532][ T7000] Code: Bad RIP value. [ 1696.704599][ T7000] RSP: 002b:00007ffcc0f82318 EFLAGS: 00010246 [ 1696.710667][ T7000] RAX: 0000000000000000 RBX: 000000000018f0d6 RCX: 000000000045b030 [ 1696.718643][ T7000] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffcc0f82320 [ 1696.727145][ T7000] RBP: 0000000000000b48 R08: 0000000000000001 R09: 0000000001cb9940 [ 1696.735125][ T7000] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1696.743127][ T7000] R13: 00007ffcc0f82370 R14: 000000000018f0d6 R15: 00007ffcc0f82380 [ 1696.770500][ T7000] Mem-Info: [ 1696.773833][ T7000] active_anon:226351 inactive_anon:4132 isolated_anon:0 [ 1696.773833][ T7000] active_file:159 inactive_file:234 isolated_file:38 [ 1696.773833][ T7000] unevictable:0 dirty:421 writeback:0 [ 1696.773833][ T7000] slab_reclaimable:14676 slab_unreclaimable:101195 [ 1696.773833][ T7000] mapped:53381 shmem:4360 pagetables:10686 bounce:0 [ 1696.773833][ T7000] free:13754 free_pcp:118 free_cma:0 [ 1696.810967][ T7000] Node 0 active_anon:905248kB inactive_anon:16524kB active_file:776kB inactive_file:796kB unevictable:0kB isolated(anon):0kB isolated(file):152kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 753664kB writeback_tmp:0kB kernel_stack:20320kB all_unreclaimable? no [ 1696.841427][ T7000] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1696.871194][ T7000] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1696.912294][ T7000] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1696.918806][ T7000] Node 0 DMA32 free:17860kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:901152kB inactive_anon:16524kB active_file:792kB inactive_file:552kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:42656kB bounce:0kB free_pcp:240kB local_pcp:0kB free_cma:0kB [ 1696.950413][ T7000] lowmem_reserve[]: 0 0 0 0 0 [ 1696.955389][ T7000] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1697.003853][ T7000] lowmem_reserve[]: 0 0 0 0 0 [ 1697.008569][ T7000] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1697.051091][ T7000] lowmem_reserve[]: 0 0 0 0 0 [ 1697.055928][ T7000] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1697.081628][ T7000] Node 0 DMA32: 2091*4kB (ME) 579*8kB (UME) 155*16kB (UME) 53*32kB (UM) 1*64kB (U) 2*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18004kB [ 1697.104292][ T7000] 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 [ 1697.116331][ T7000] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1697.150007][ T7000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1697.161044][ T7000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1697.180435][ T7000] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1697.190104][ T7000] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1697.199477][ T7000] 4810 total pagecache pages [ 1697.205533][ T7000] 0 pages in swap cache [ 1697.209727][ T7000] Swap cache stats: add 0, delete 0, find 0/0 [ 1697.216566][ T7000] Free swap = 0kB [ 1697.220308][ T7000] Total swap = 0kB [ 1697.224077][ T7000] 1965979 pages RAM [ 1697.228488][ T7000] 0 pages HighMem/MovableOnly [ 1697.235639][ T7000] 349901 pages reserved [ 1697.239797][ T7000] 0 pages cma reserved [ 1697.243963][ T7000] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=21345,uid=0 [ 1697.258395][ T7000] Out of memory: Killed process 21345 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1697.424412][ T6814] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1697.437293][ T6814] CPU: 1 PID: 6814 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1697.447127][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1697.457189][ T6814] Call Trace: [ 1697.460493][ T6814] dump_stack+0x18f/0x20d [ 1697.464834][ T6814] dump_header+0x106/0x60f [ 1697.469258][ T6814] oom_kill_process.cold+0x10/0x15 [ 1697.474410][ T6814] out_of_memory+0x326/0x1340 [ 1697.479089][ T6814] ? oom_killer_disable+0x270/0x270 [ 1697.484274][ T6814] ? mutex_trylock+0x246/0x2c0 [ 1697.489027][ T6814] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1697.495738][ T6814] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1697.502328][ T6814] ? warn_alloc+0x120/0x120 [ 1697.506821][ T6814] ? fs_reclaim_release+0x94/0xf0 [ 1697.511837][ T6814] ? lock_is_held_type+0xb0/0xe0 [ 1697.516776][ T6814] ? find_get_entry+0x3b2/0x8a0 [ 1697.521630][ T6814] __alloc_pages_nodemask+0x5a3/0x700 [ 1697.526991][ T6814] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1697.533764][ T6814] ? page_cache_readahead_unbounded+0x572/0x850 [ 1697.540006][ T6814] ? __lock_page_or_retry+0x650/0x650 [ 1697.545365][ T6814] alloc_pages_current+0x187/0x280 [ 1697.550722][ T6814] __page_cache_alloc+0x31e/0x450 [ 1697.555734][ T6814] pagecache_get_page+0x2a6/0xf70 [ 1697.560757][ T6814] ? __do_page_cache_readahead+0xc2/0xf0 [ 1697.566389][ T6814] filemap_fault+0x1a94/0x2ab0 [ 1697.571139][ T6814] ext4_filemap_fault+0x87/0xb6 [ 1697.575970][ T6814] __do_fault+0x10d/0x4d0 [ 1697.580283][ T6814] handle_mm_fault+0x37a3/0x43f0 [ 1697.585204][ T6814] ? apply_to_existing_page_range+0x40/0x40 [ 1697.591093][ T6814] ? vmacache_update+0xce/0x140 [ 1697.595941][ T6814] do_user_addr_fault+0x5a2/0xd00 [ 1697.600956][ T6814] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1697.606484][ T6814] exc_page_fault+0xab/0x170 [ 1697.611056][ T6814] ? asm_exc_page_fault+0x8/0x30 [ 1697.616581][ T6814] asm_exc_page_fault+0x1e/0x30 [ 1697.621410][ T6814] RIP: 0033:0x45b030 [ 1697.625293][ T6814] Code: Bad RIP value. [ 1697.629340][ T6814] RSP: 002b:00007fff99286898 EFLAGS: 00010246 [ 1697.635401][ T6814] RAX: 0000000000000000 RBX: 000000000018f0dc RCX: 000000000045b030 [ 1697.643395][ T6814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff992868a0 [ 1697.651358][ T6814] RBP: 000000000000086a R08: 0000000000000001 R09: 00000000017f2940 [ 1697.659350][ T6814] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1697.667342][ T6814] R13: 00007fff992868f0 R14: 000000000018f0dc R15: 00007fff99286900 [ 1697.685546][ T6814] Mem-Info: [ 1697.688707][ T6814] active_anon:225814 inactive_anon:4132 isolated_anon:0 [ 1697.688707][ T6814] active_file:267 inactive_file:174 isolated_file:32 [ 1697.688707][ T6814] unevictable:0 dirty:416 writeback:0 [ 1697.688707][ T6814] slab_reclaimable:14676 slab_unreclaimable:100564 [ 1697.688707][ T6814] mapped:53381 shmem:4360 pagetables:10686 bounce:0 [ 1697.688707][ T6814] free:13666 free_pcp:90 free_cma:0 [ 1697.773156][ T6814] Node 0 active_anon:903100kB inactive_anon:16524kB active_file:924kB inactive_file:968kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1664kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 753664kB writeback_tmp:0kB kernel_stack:20288kB all_unreclaimable? no [ 1697.825723][ T6814] Node 1 active_anon:156kB inactive_anon:4kB active_file:12kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1697.866067][ T6814] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1697.919262][ T6814] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1697.931831][ T6814] Node 0 DMA32 free:17848kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:898984kB inactive_anon:16524kB active_file:1336kB inactive_file:188kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:42552kB bounce:0kB free_pcp:488kB local_pcp:248kB free_cma:0kB [ 1697.980097][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1697.993187][ T6814] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1698.020151][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1698.025955][ T6814] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1698.100251][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1698.111739][ T6814] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1698.144908][ T6814] Node 0 DMA32: 2108*4kB (ME) 588*8kB (UME) 155*16kB (UME) 53*32kB (UM) 0*64kB 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17696kB [ 1698.180151][ T6814] 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 [ 1698.202505][ T6814] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1698.250922][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1698.267564][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1698.276947][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1698.286602][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1698.316150][ T6814] 4809 total pagecache pages [ 1698.320760][ T6814] 0 pages in swap cache [ 1698.339339][ T6814] Swap cache stats: add 0, delete 0, find 0/0 [ 1698.353864][ T6814] Free swap = 0kB [ 1698.357642][ T6814] Total swap = 0kB [ 1698.361355][ T6814] 1965979 pages RAM [ 1698.383069][ T6814] 0 pages HighMem/MovableOnly [ 1698.387860][ T6814] 349901 pages reserved [ 1698.392044][ T6814] 0 pages cma reserved [ 1698.403113][ T6814] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=21333,uid=0 [ 1698.433144][ T6814] Out of memory: Killed process 21333 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1698.491775][T27198] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1698.537085][T27198] CPU: 0 PID: 27198 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1698.546998][T27198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1698.557510][T27198] Call Trace: [ 1698.560841][T27198] dump_stack+0x18f/0x20d [ 1698.565182][T27198] dump_header+0x106/0x60f [ 1698.569603][T27198] oom_kill_process.cold+0x10/0x15 [ 1698.574718][T27198] out_of_memory+0x326/0x1340 [ 1698.579411][T27198] ? oom_killer_disable+0x270/0x270 [ 1698.584643][T27198] ? mutex_trylock+0x246/0x2c0 [ 1698.589432][T27198] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1698.596122][T27198] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1698.602834][T27198] ? warn_alloc+0x120/0x120 [ 1698.607342][T27198] ? fs_reclaim_release+0x94/0xf0 [ 1698.612392][T27198] ? lock_is_held_type+0xb0/0xe0 [ 1698.617418][T27198] ? find_get_entry+0x3b2/0x8a0 [ 1698.622283][T27198] __alloc_pages_nodemask+0x5a3/0x700 [ 1698.627665][T27198] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1698.634518][T27198] ? page_cache_readahead_unbounded+0x572/0x850 [ 1698.640770][T27198] ? __lock_page_or_retry+0x650/0x650 [ 1698.646157][T27198] alloc_pages_current+0x187/0x280 [ 1698.651276][T27198] __page_cache_alloc+0x31e/0x450 [ 1698.656336][T27198] pagecache_get_page+0x2a6/0xf70 [ 1698.661503][T27198] ? __do_page_cache_readahead+0xc2/0xf0 [ 1698.667149][T27198] filemap_fault+0x1a94/0x2ab0 [ 1698.671930][T27198] ext4_filemap_fault+0x87/0xb6 [ 1698.676799][T27198] __do_fault+0x10d/0x4d0 [ 1698.681419][T27198] handle_mm_fault+0x37a3/0x43f0 [ 1698.686368][T27198] ? apply_to_existing_page_range+0x40/0x40 [ 1698.692292][T27198] do_user_addr_fault+0x5a2/0xd00 [ 1698.697351][T27198] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1698.704475][T27198] exc_page_fault+0xab/0x170 [ 1698.709078][T27198] ? asm_exc_page_fault+0x8/0x30 [ 1698.714021][T27198] asm_exc_page_fault+0x1e/0x30 [ 1698.718871][T27198] RIP: 0033:0x45fffa [ 1698.725969][T27198] Code: Bad RIP value. [ 1698.730032][T27198] RSP: 002b:00007fff992867a8 EFLAGS: 00010246 [ 1698.736099][T27198] RAX: 00007fff99286800 RBX: 0000000000000000 RCX: 0000000000000040 [ 1698.744072][T27198] RDX: 0000000000000001 RSI: 0000000000000040 RDI: 00007fff99286940 [ 1698.752044][T27198] RBP: 0000000000000000 R08: 00000000004c25df R09: 00007fff992867e8 [ 1698.760016][T27198] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000000 [ 1698.767986][T27198] R13: 00007fff992868f0 R14: 0000000000000000 R15: 00007fff99286900 [ 1698.866409][T27198] Mem-Info: [ 1698.869559][T27198] active_anon:225266 inactive_anon:4132 isolated_anon:0 [ 1698.869559][T27198] active_file:284 inactive_file:144 isolated_file:0 [ 1698.869559][T27198] unevictable:0 dirty:421 writeback:0 [ 1698.869559][T27198] slab_reclaimable:14668 slab_unreclaimable:100699 [ 1698.869559][T27198] mapped:53381 shmem:4360 pagetables:10634 bounce:0 [ 1698.869559][T27198] free:13740 free_pcp:59 free_cma:0 [ 1698.930000][T27198] Node 0 active_anon:900908kB inactive_anon:16524kB active_file:908kB inactive_file:676kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 749568kB writeback_tmp:0kB kernel_stack:20256kB all_unreclaimable? no [ 1698.960008][T27198] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1698.989054][T27198] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1699.017154][T27198] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1699.022897][T27198] Node 0 DMA32 free:17804kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:896812kB inactive_anon:16524kB active_file:400kB inactive_file:920kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:42448kB bounce:0kB free_pcp:472kB local_pcp:244kB free_cma:0kB [ 1699.130886][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1699.135667][T27198] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1699.174401][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1699.179152][T27198] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1699.257476][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1699.262205][T27198] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1699.295403][T27198] Node 0 DMA32: 2109*4kB (ME) 597*8kB (ME) 155*16kB (ME) 52*32kB (M) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17420kB [ 1699.332572][T27198] 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 [ 1699.363121][T27198] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1699.393143][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1699.402713][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1699.412111][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1699.421741][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1699.431118][T27198] 4809 total pagecache pages [ 1699.435772][T27198] 0 pages in swap cache [ 1699.439955][T27198] Swap cache stats: add 0, delete 0, find 0/0 [ 1699.451556][T27198] Free swap = 0kB [ 1699.458155][T27198] Total swap = 0kB [ 1699.462081][T27198] 1965979 pages RAM [ 1699.471751][T27198] 0 pages HighMem/MovableOnly [ 1699.479397][T27198] 349901 pages reserved [ 1699.488457][T27198] 0 pages cma reserved [ 1699.492728][T27198] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=21091,uid=0 [ 1699.516152][T27198] Out of memory: Killed process 21091 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1699.582723][T10039] syz-executor.4(10039): getblk(): executed=c8 bh_count=2 bh_state=19 bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1699.590214][ T7334] syz-executor.5 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1699.637074][ T7334] CPU: 1 PID: 7334 Comm: syz-executor.5 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1699.646898][ T7334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1699.656963][ T7334] Call Trace: [ 1699.660272][ T7334] dump_stack+0x18f/0x20d [ 1699.664612][ T7334] dump_header+0x106/0x60f [ 1699.669058][ T7334] oom_kill_process.cold+0x10/0x15 [ 1699.674179][ T7334] out_of_memory+0x326/0x1340 [ 1699.678869][ T7334] ? oom_killer_disable+0x270/0x270 [ 1699.684077][ T7334] ? mutex_trylock+0x246/0x2c0 [ 1699.688852][ T7334] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1699.695552][ T7334] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1699.702177][ T7334] ? warn_alloc+0x120/0x120 [ 1699.706696][ T7334] ? fs_reclaim_release+0x94/0xf0 [ 1699.711739][ T7334] ? lock_is_held_type+0xb0/0xe0 [ 1699.716687][ T7334] ? find_get_entry+0x3b2/0x8a0 [ 1699.721740][ T7334] __alloc_pages_nodemask+0x5a3/0x700 [ 1699.727173][ T7334] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1699.733963][ T7334] ? page_cache_readahead_unbounded+0x572/0x850 [ 1699.740192][ T7334] ? __lock_page_or_retry+0x650/0x650 [ 1699.745552][ T7334] alloc_pages_current+0x187/0x280 [ 1699.750650][ T7334] __page_cache_alloc+0x31e/0x450 [ 1699.755679][ T7334] pagecache_get_page+0x2a6/0xf70 [ 1699.760696][ T7334] ? __do_page_cache_readahead+0xc2/0xf0 [ 1699.766325][ T7334] filemap_fault+0x1a94/0x2ab0 [ 1699.771085][ T7334] ext4_filemap_fault+0x87/0xb6 [ 1699.775921][ T7334] __do_fault+0x10d/0x4d0 [ 1699.780246][ T7334] handle_mm_fault+0x37a3/0x43f0 [ 1699.785180][ T7334] ? apply_to_existing_page_range+0x40/0x40 [ 1699.791062][ T7334] ? vmacache_update+0xce/0x140 [ 1699.795899][ T7334] do_user_addr_fault+0x5a2/0xd00 [ 1699.800925][ T7334] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1699.806486][ T7334] exc_page_fault+0xab/0x170 [ 1699.811076][ T7334] ? asm_exc_page_fault+0x8/0x30 [ 1699.815996][ T7334] asm_exc_page_fault+0x1e/0x30 [ 1699.820827][ T7334] RIP: 0033:0x45b030 [ 1699.824708][ T7334] Code: Bad RIP value. [ 1699.828755][ T7334] RSP: 002b:00007ffc5c825c88 EFLAGS: 00010246 [ 1699.835499][ T7334] RAX: 0000000000000000 RBX: 000000000018f16a RCX: 000000000045b030 [ 1699.843477][ T7334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc5c825c90 [ 1699.851443][ T7334] RBP: 00000000000009e5 R08: 0000000000000001 R09: 0000000002034940 [ 1699.859404][ T7334] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1699.867362][ T7334] R13: 00007ffc5c825ce0 R14: 000000000018f0bc R15: 00007ffc5c825cf0 [ 1699.942607][ T7334] Mem-Info: [ 1699.952089][ T7334] active_anon:224724 inactive_anon:4132 isolated_anon:0 [ 1699.952089][ T7334] active_file:300 inactive_file:133 isolated_file:32 [ 1699.952089][ T7334] unevictable:0 dirty:421 writeback:0 [ 1699.952089][ T7334] slab_reclaimable:14668 slab_unreclaimable:100530 [ 1699.952089][ T7334] mapped:53381 shmem:4360 pagetables:10633 bounce:0 [ 1699.952089][ T7334] free:13726 free_pcp:62 free_cma:0 [ 1700.000797][ T7334] Node 0 active_anon:898740kB inactive_anon:16524kB active_file:952kB inactive_file:828kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 747520kB writeback_tmp:0kB kernel_stack:20224kB all_unreclaimable? yes [ 1700.044258][ T7334] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1700.072777][ T7334] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1700.109696][ T7334] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1700.115543][ T7334] Node 0 DMA32 free:17748kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:894644kB inactive_anon:16524kB active_file:1004kB inactive_file:808kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:42444kB bounce:0kB free_pcp:472kB local_pcp:244kB free_cma:0kB [ 1700.153220][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1700.157929][ T7334] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1700.196774][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1700.201521][ T7334] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1700.248504][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1700.262675][ T7334] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1700.293120][ T7334] Node 0 DMA32: 2069*4kB (UME) 591*8kB (UME) 151*16kB (ME) 50*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17468kB [ 1700.323101][ T7334] 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 [ 1700.353142][ T7334] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1700.383107][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1700.392671][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1700.423134][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1700.432721][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1700.463090][ T7334] 4785 total pagecache pages [ 1700.467725][ T7334] 0 pages in swap cache [ 1700.471866][ T7334] Swap cache stats: add 0, delete 0, find 0/0 [ 1700.493130][ T7334] Free swap = 0kB [ 1700.496896][ T7334] Total swap = 0kB [ 1700.500611][ T7334] 1965979 pages RAM [ 1700.510105][ T7334] 0 pages HighMem/MovableOnly [ 1700.514896][ T7334] 349901 pages reserved [ 1700.519028][ T7334] 0 pages cma reserved [ 1700.562284][ T7334] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=21086,uid=0 [ 1700.607663][ T7334] Out of memory: Killed process 21086 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1700.716636][ T3873] systemd-journal invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1700.738047][ T3873] CPU: 0 PID: 3873 Comm: systemd-journal Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1700.747954][ T3873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1700.758008][ T3873] Call Trace: [ 1700.761312][ T3873] dump_stack+0x18f/0x20d [ 1700.765646][ T3873] dump_header+0x106/0x60f [ 1700.770070][ T3873] oom_kill_process.cold+0x10/0x15 [ 1700.775187][ T3873] out_of_memory+0x326/0x1340 [ 1700.779872][ T3873] ? oom_killer_disable+0x270/0x270 [ 1700.785074][ T3873] ? mutex_trylock+0x246/0x2c0 [ 1700.789842][ T3873] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1700.796522][ T3873] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1700.803137][ T3873] ? warn_alloc+0x120/0x120 [ 1700.807646][ T3873] ? fs_reclaim_release+0x94/0xf0 [ 1700.812955][ T3873] ? lock_is_held_type+0xb0/0xe0 [ 1700.817895][ T3873] ? find_get_entry+0x3b2/0x8a0 [ 1700.822761][ T3873] __alloc_pages_nodemask+0x5a3/0x700 [ 1700.828150][ T3873] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1700.834923][ T3873] ? page_cache_readahead_unbounded+0x572/0x850 [ 1700.841171][ T3873] ? __lock_page_or_retry+0x650/0x650 [ 1700.846547][ T3873] alloc_pages_current+0x187/0x280 [ 1700.851665][ T3873] __page_cache_alloc+0x31e/0x450 [ 1700.856724][ T3873] pagecache_get_page+0x2a6/0xf70 [ 1700.861754][ T3873] ? __do_page_cache_readahead+0xc2/0xf0 [ 1700.867395][ T3873] filemap_fault+0x1a94/0x2ab0 [ 1700.872169][ T3873] ext4_filemap_fault+0x87/0xb6 [ 1700.877041][ T3873] __do_fault+0x10d/0x4d0 [ 1700.881375][ T3873] handle_mm_fault+0x37a3/0x43f0 [ 1700.886325][ T3873] ? apply_to_existing_page_range+0x40/0x40 [ 1700.892238][ T3873] do_user_addr_fault+0x5a2/0xd00 [ 1700.897278][ T3873] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1700.902819][ T3873] exc_page_fault+0xab/0x170 [ 1700.907390][ T3873] ? asm_exc_page_fault+0x8/0x30 [ 1700.912322][ T3873] asm_exc_page_fault+0x1e/0x30 [ 1700.917425][ T3873] RIP: 0033:0x7fb1de32f2e3 [ 1700.921837][ T3873] Code: Bad RIP value. [ 1700.925900][ T3873] RSP: 002b:00007ffe3d83c058 EFLAGS: 00010246 [ 1700.931964][ T3873] RAX: 0000000000000001 RBX: 000055ce75f621e0 RCX: 00007fb1de32f2e3 [ 1700.940201][ T3873] RDX: 0000000000000013 RSI: 00007ffe3d83c060 RDI: 0000000000000008 [ 1700.948179][ T3873] RBP: 00007ffe3d83c250 R08: 0000000000000000 R09: 00007ffe3d91e080 [ 1700.956157][ T3873] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3d83c060 [ 1700.964137][ T3873] R13: 0000000000000001 R14: ffffffffffffffff R15: 0005a9e6550b3dc4 [ 1700.988164][ T3873] Mem-Info: [ 1700.991508][ T3873] active_anon:224190 inactive_anon:4132 isolated_anon:0 [ 1700.991508][ T3873] active_file:261 inactive_file:170 isolated_file:32 [ 1700.991508][ T3873] unevictable:0 dirty:420 writeback:0 [ 1700.991508][ T3873] slab_reclaimable:14668 slab_unreclaimable:100302 [ 1700.991508][ T3873] mapped:53381 shmem:4360 pagetables:10608 bounce:0 [ 1700.991508][ T3873] free:13748 free_pcp:57 free_cma:0 [ 1701.028758][ T3873] Node 0 active_anon:896604kB inactive_anon:16524kB active_file:840kB inactive_file:948kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1680kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 747520kB writeback_tmp:0kB kernel_stack:20192kB all_unreclaimable? no [ 1701.063038][ T3873] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1701.092020][ T3873] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1701.124372][ T3873] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1701.130614][ T3873] Node 0 DMA32 free:17604kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:892508kB inactive_anon:16524kB active_file:808kB inactive_file:848kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:42344kB bounce:0kB free_pcp:476kB local_pcp:232kB free_cma:0kB [ 1701.162179][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1701.167151][ T3873] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1701.205025][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1701.210202][ T3873] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1701.248710][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1701.253463][ T3873] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1701.268404][ T3873] Node 0 DMA32: 2074*4kB (ME) 598*8kB (ME) 151*16kB (ME) 50*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17544kB [ 1701.283885][ T3873] 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 [ 1701.295466][ T3873] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1701.313461][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1701.324514][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1701.333884][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1701.343761][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1701.359282][ T3873] 4805 total pagecache pages [ 1701.366469][ T3873] 0 pages in swap cache [ 1701.370842][ T3873] Swap cache stats: add 0, delete 0, find 0/0 [ 1701.377277][ T3873] Free swap = 0kB [ 1701.381004][ T3873] Total swap = 0kB [ 1701.384757][ T3873] 1965979 pages RAM [ 1701.388710][ T3873] 0 pages HighMem/MovableOnly [ 1701.393526][ T3873] 349901 pages reserved [ 1701.397701][ T3873] 0 pages cma reserved [ 1701.402527][ T3873] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=21080,uid=0 [ 1701.417157][ T3873] Out of memory: Killed process 21080 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1701.436104][ T1151] oom_reaper: reaped process 21080 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1701.480039][ T6968] syz-executor.1 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1701.491157][ T6968] CPU: 1 PID: 6968 Comm: syz-executor.1 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1701.500982][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1701.511044][ T6968] Call Trace: [ 1701.514356][ T6968] dump_stack+0x18f/0x20d [ 1701.519652][ T6968] dump_header+0x106/0x60f [ 1701.524912][ T6968] oom_kill_process.cold+0x10/0x15 [ 1701.530037][ T6968] out_of_memory+0x326/0x1340 [ 1701.534727][ T6968] ? oom_killer_disable+0x270/0x270 [ 1701.539943][ T6968] ? mutex_trylock+0x246/0x2c0 [ 1701.544717][ T6968] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1701.551401][ T6968] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1701.558018][ T6968] ? warn_alloc+0x120/0x120 [ 1701.562528][ T6968] ? fs_reclaim_release+0x94/0xf0 [ 1701.567564][ T6968] ? lock_is_held_type+0xb0/0xe0 [ 1701.572509][ T6968] ? find_get_entry+0x3b2/0x8a0 [ 1701.577352][ T6968] __alloc_pages_nodemask+0x5a3/0x700 [ 1701.582734][ T6968] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1701.589489][ T6968] ? page_cache_readahead_unbounded+0x572/0x850 [ 1701.596408][ T6968] ? __lock_page_or_retry+0x650/0x650 [ 1701.601785][ T6968] alloc_pages_current+0x187/0x280 [ 1701.606879][ T6968] __page_cache_alloc+0x31e/0x450 [ 1701.611899][ T6968] pagecache_get_page+0x2a6/0xf70 [ 1701.616907][ T6968] ? __do_page_cache_readahead+0xc2/0xf0 [ 1701.622518][ T6968] filemap_fault+0x1a94/0x2ab0 [ 1701.627282][ T6968] ext4_filemap_fault+0x87/0xb6 [ 1701.632129][ T6968] __do_fault+0x10d/0x4d0 [ 1701.636438][ T6968] handle_mm_fault+0x37a3/0x43f0 [ 1701.641384][ T6968] ? apply_to_existing_page_range+0x40/0x40 [ 1701.647284][ T6968] ? vmacache_update+0xce/0x140 [ 1701.652832][ T6968] do_user_addr_fault+0x5a2/0xd00 [ 1701.657841][ T6968] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1701.663369][ T6968] exc_page_fault+0xab/0x170 [ 1701.667957][ T6968] ? asm_exc_page_fault+0x8/0x30 [ 1701.672873][ T6968] asm_exc_page_fault+0x1e/0x30 [ 1701.677703][ T6968] RIP: 0033:0x4169ca [ 1701.681585][ T6968] Code: Bad RIP value. [ 1701.685626][ T6968] RSP: 002b:00007ffea7909038 EFLAGS: 00010246 [ 1701.691669][ T6968] RAX: 0000000000000505 RBX: 0000000000fed940 RCX: 00000000004169ca [ 1701.699639][ T6968] RDX: 0000000040000000 RSI: 00007ffea7909070 RDI: ffffffffffffffff [ 1701.707641][ T6968] RBP: 00000000000007b9 R08: 0000000000000001 R09: 0000000000000001 [ 1701.715609][ T6968] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1701.723593][ T6968] R13: 00007ffea7909070 R14: 0000000000fed99b R15: 00007ffea7909080 [ 1701.735428][ T6968] Mem-Info: [ 1701.738578][ T6968] active_anon:223651 inactive_anon:4132 isolated_anon:0 [ 1701.738578][ T6968] active_file:234 inactive_file:214 isolated_file:0 [ 1701.738578][ T6968] unevictable:0 dirty:421 writeback:0 [ 1701.738578][ T6968] slab_reclaimable:14668 slab_unreclaimable:99991 [ 1701.738578][ T6968] mapped:53381 shmem:4360 pagetables:10608 bounce:0 [ 1701.738578][ T6968] free:14047 free_pcp:217 free_cma:0 [ 1701.776258][ T6968] Node 0 active_anon:894428kB inactive_anon:16524kB active_file:888kB inactive_file:704kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:16kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 743424kB writeback_tmp:0kB kernel_stack:20160kB all_unreclaimable? no [ 1701.806989][ T6968] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1701.841460][ T6968] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1701.877833][ T6968] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1701.887462][ T6968] Node 0 DMA32 free:17736kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:890332kB inactive_anon:16524kB active_file:1228kB inactive_file:752kB unevictable:0kB writepending:1700kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:42136kB bounce:0kB free_pcp:620kB local_pcp:304kB free_cma:0kB [ 1701.930797][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1701.939215][ T6968] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1701.973828][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1701.978721][ T6968] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1702.016763][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1702.021667][ T6968] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1702.069434][ T6968] Node 0 DMA32: 2091*4kB (UME) 611*8kB (UME) 168*16kB (UME) 52*32kB (UM) 0*64kB 2*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18372kB [ 1702.103212][ T6968] 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 [ 1702.133959][ T6968] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1702.161962][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1702.205224][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1702.223926][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1702.243223][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1702.260080][ T6968] 4805 total pagecache pages [ 1702.273121][ T6968] 0 pages in swap cache [ 1702.277295][ T6968] Swap cache stats: add 0, delete 0, find 0/0 [ 1702.293091][ T6968] Free swap = 0kB [ 1702.297551][ T6968] Total swap = 0kB [ 1702.301263][ T6968] 1965979 pages RAM [ 1702.323263][ T6968] 0 pages HighMem/MovableOnly [ 1702.327960][ T6968] 349901 pages reserved [ 1702.332108][ T6968] 0 pages cma reserved [ 1702.343187][ T6968] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=21053,uid=0 [ 1702.378459][ T6968] Out of memory: Killed process 21053 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1702.580524][ T4427] systemd-timesyn invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1702.622013][ T4427] CPU: 1 PID: 4427 Comm: systemd-timesyn Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1702.631921][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1702.641983][ T4427] Call Trace: [ 1702.645292][ T4427] dump_stack+0x18f/0x20d [ 1702.649627][ T4427] dump_header+0x106/0x60f [ 1702.654050][ T4427] oom_kill_process.cold+0x10/0x15 [ 1702.659191][ T4427] out_of_memory+0x326/0x1340 [ 1702.663896][ T4427] ? oom_killer_disable+0x270/0x270 [ 1702.669102][ T4427] ? mutex_trylock+0x246/0x2c0 [ 1702.673873][ T4427] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1702.680555][ T4427] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1702.687192][ T4427] ? warn_alloc+0x120/0x120 [ 1702.691705][ T4427] ? fs_reclaim_release+0x94/0xf0 [ 1702.696713][ T4427] ? lock_is_held_type+0xb0/0xe0 [ 1702.701643][ T4427] ? find_get_entry+0x3b2/0x8a0 [ 1702.706478][ T4427] __alloc_pages_nodemask+0x5a3/0x700 [ 1702.711836][ T4427] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1702.718584][ T4427] ? page_cache_readahead_unbounded+0x572/0x850 [ 1702.724807][ T4427] ? __lock_page_or_retry+0x650/0x650 [ 1702.730162][ T4427] alloc_pages_current+0x187/0x280 [ 1702.735256][ T4427] __page_cache_alloc+0x31e/0x450 [ 1702.740259][ T4427] pagecache_get_page+0x2a6/0xf70 [ 1702.745266][ T4427] ? __do_page_cache_readahead+0xc2/0xf0 [ 1702.750910][ T4427] filemap_fault+0x1a94/0x2ab0 [ 1702.755658][ T4427] ext4_filemap_fault+0x87/0xb6 [ 1702.760501][ T4427] __do_fault+0x10d/0x4d0 [ 1702.764819][ T4427] handle_mm_fault+0x37a3/0x43f0 [ 1702.769754][ T4427] ? apply_to_existing_page_range+0x40/0x40 [ 1702.775635][ T4427] do_user_addr_fault+0x5a2/0xd00 [ 1702.780640][ T4427] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1702.787133][ T4427] exc_page_fault+0xab/0x170 [ 1702.791710][ T4427] ? asm_exc_page_fault+0x8/0x30 [ 1702.796639][ T4427] asm_exc_page_fault+0x1e/0x30 [ 1702.801469][ T4427] RIP: 0033:0x7f9e5fba5303 [ 1702.805868][ T4427] Code: Bad RIP value. [ 1702.809906][ T4427] RSP: 002b:00007fff51298500 EFLAGS: 00010293 [ 1702.815949][ T4427] RAX: 0000000000000001 RBX: 00005652ca80f8f0 RCX: 00007f9e5fba5303 [ 1702.823896][ T4427] RDX: 0000000000000006 RSI: 00007fff51298510 RDI: 0000000000000004 [ 1702.831856][ T4427] RBP: 00007fff51298660 R08: 0000000000000000 R09: 000000000000000d [ 1702.839805][ T4427] R10: 00000000ffffffff R11: 0000000000000293 R12: 00007fff51298510 [ 1702.847767][ T4427] R13: 0000000000000001 R14: ffffffffffffffff R15: 0000000000000000 [ 1702.893120][ T4427] Mem-Info: [ 1702.896286][ T4427] active_anon:223112 inactive_anon:4132 isolated_anon:0 [ 1702.896286][ T4427] active_file:236 inactive_file:200 isolated_file:32 [ 1702.896286][ T4427] unevictable:0 dirty:421 writeback:4 [ 1702.896286][ T4427] slab_reclaimable:14668 slab_unreclaimable:99776 [ 1702.896286][ T4427] mapped:53381 shmem:4360 pagetables:10556 bounce:0 [ 1702.896286][ T4427] free:13684 free_pcp:0 free_cma:0 [ 1702.933172][ T4427] Node 0 active_anon:892292kB inactive_anon:16524kB active_file:1292kB inactive_file:620kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:16kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 743424kB writeback_tmp:0kB kernel_stack:20160kB all_unreclaimable? no [ 1702.963563][ T4427] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1702.995641][ T4427] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1703.023474][ T4427] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1703.029243][ T4427] Node 0 DMA32 free:17580kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:888196kB inactive_anon:16524kB active_file:1728kB inactive_file:436kB unevictable:0kB writepending:1700kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:42136kB bounce:0kB free_pcp:472kB local_pcp:232kB free_cma:0kB [ 1703.060904][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1703.066416][ T4427] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1703.094745][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1703.099449][ T4427] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1703.177552][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1703.182272][ T4427] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1703.216855][ T4427] Node 0 DMA32: 2035*4kB (UME) 600*8kB (UME) 154*16kB (UME) 50*32kB (UM) 0*64kB 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17132kB [ 1703.251732][ T4427] 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 [ 1703.279861][ T4427] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1703.312770][ T4427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1703.334528][ T4427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1703.355902][ T4427] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1703.383478][ T4427] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1703.394570][ T4427] 4805 total pagecache pages [ 1703.399168][ T4427] 0 pages in swap cache [ 1703.417485][ T4427] Swap cache stats: add 0, delete 0, find 0/0 [ 1703.437124][ T4427] Free swap = 0kB [ 1703.441031][ T4427] Total swap = 0kB [ 1703.457530][ T4427] 1965979 pages RAM [ 1703.461615][ T4427] 0 pages HighMem/MovableOnly [ 1703.482562][ T4427] 349901 pages reserved [ 1703.507009][ T4427] 0 pages cma reserved [ 1703.514790][ T4427] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=21045,uid=0 [ 1703.537243][ T4427] Out of memory: Killed process 21045 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1703.572289][ T1151] oom_reaper: reaped process 21045 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1703.641994][T27197] syz-executor.2 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 1703.692832][T27197] CPU: 0 PID: 27197 Comm: syz-executor.2 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1703.702750][T27197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1703.712812][T27197] Call Trace: [ 1703.716120][T27197] dump_stack+0x18f/0x20d [ 1703.720473][T27197] dump_header+0x106/0x60f [ 1703.724903][T27197] oom_kill_process.cold+0x10/0x15 [ 1703.730032][T27197] out_of_memory+0x326/0x1340 [ 1703.734730][T27197] ? oom_killer_disable+0x270/0x270 [ 1703.739935][T27197] ? mutex_trylock+0x246/0x2c0 [ 1703.744719][T27197] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1703.753579][T27197] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1703.760199][T27197] ? warn_alloc+0x120/0x120 [ 1703.764729][T27197] ? fs_reclaim_release+0x94/0xf0 [ 1703.769781][T27197] ? lock_is_held_type+0xb0/0xe0 [ 1703.774719][T27197] ? find_get_entry+0x3b2/0x8a0 [ 1703.779582][T27197] __alloc_pages_nodemask+0x5a3/0x700 [ 1703.784978][T27197] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1703.791750][T27197] ? page_cache_readahead_unbounded+0x572/0x850 [ 1703.798009][T27197] ? __lock_page_or_retry+0x650/0x650 [ 1703.803390][T27197] alloc_pages_current+0x187/0x280 [ 1703.808509][T27197] __page_cache_alloc+0x31e/0x450 [ 1703.813542][T27197] pagecache_get_page+0x2a6/0xf70 [ 1703.818575][T27197] ? __do_page_cache_readahead+0xc2/0xf0 [ 1703.824584][T27197] filemap_fault+0x1a94/0x2ab0 [ 1703.829387][T27197] ext4_filemap_fault+0x87/0xb6 [ 1703.834245][T27197] __do_fault+0x10d/0x4d0 [ 1703.838609][T27197] handle_mm_fault+0x37a3/0x43f0 [ 1703.843560][T27197] ? apply_to_existing_page_range+0x40/0x40 [ 1703.849475][T27197] do_user_addr_fault+0x5a2/0xd00 [ 1703.854512][T27197] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1703.860070][T27197] exc_page_fault+0xab/0x170 [ 1703.864669][T27197] ? asm_exc_page_fault+0x8/0x30 [ 1703.869615][T27197] asm_exc_page_fault+0x1e/0x30 [ 1703.875184][T27197] RIP: 0033:0x43b560 [ 1703.879072][T27197] Code: Bad RIP value. [ 1703.883132][T27197] RSP: 002b:00007ffcc0f82178 EFLAGS: 00010246 [ 1703.889190][T27197] RAX: 00000000004fb4e0 RBX: 0000000000000000 RCX: 0000000000021e40 [ 1703.897151][T27197] RDX: 0000000000000007 RSI: 00000000004c2527 RDI: 00000000004cb72f [ 1703.905131][T27197] RBP: 0000000000790000 R08: 0000000000000000 R09: 0000000000000004 [ 1703.913108][T27197] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000790008 [ 1703.921084][T27197] R13: 00007ffcc0f82370 R14: 0000000000000879 R15: 00007ffcc0f82380 [ 1703.987607][T27197] Mem-Info: [ 1703.990782][T27197] active_anon:222572 inactive_anon:4132 isolated_anon:0 [ 1703.990782][T27197] active_file:142 inactive_file:269 isolated_file:0 [ 1703.990782][T27197] unevictable:0 dirty:421 writeback:0 [ 1703.990782][T27197] slab_reclaimable:14668 slab_unreclaimable:99923 [ 1703.990782][T27197] mapped:53381 shmem:4360 pagetables:10530 bounce:0 [ 1703.990782][T27197] free:13693 free_pcp:92 free_cma:0 [ 1704.039748][T27197] Node 0 active_anon:890132kB inactive_anon:16524kB active_file:852kB inactive_file:808kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 741376kB writeback_tmp:0kB kernel_stack:20160kB all_unreclaimable? no [ 1704.101578][T27197] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1704.160087][T27197] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1704.237350][T27197] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1704.248541][T27197] Node 0 DMA32 free:17616kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:886036kB inactive_anon:16524kB active_file:912kB inactive_file:792kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:42032kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1704.296377][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1704.301317][T27197] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1704.375797][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1704.380532][T27197] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1704.433815][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1704.438643][T27197] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1704.487118][T27197] Node 0 DMA32: 2071*4kB (UME) 615*8kB (UME) 152*16kB (UME) 47*32kB (UM) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18036kB [ 1704.511707][T27197] 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 [ 1704.540944][T27197] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1704.566625][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1704.622977][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1704.637989][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1704.649084][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1704.669054][T27197] 4807 total pagecache pages [ 1704.673715][T27197] 0 pages in swap cache [ 1704.677890][T27197] Swap cache stats: add 0, delete 0, find 0/0 [ 1704.689269][T27197] Free swap = 0kB [ 1704.693126][T27197] Total swap = 0kB [ 1704.696851][T27197] 1965979 pages RAM [ 1704.700686][T27197] 0 pages HighMem/MovableOnly [ 1704.741974][T27197] 349901 pages reserved [ 1704.746267][T27197] 0 pages cma reserved [ 1704.750447][T27197] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=21014,uid=0 [ 1704.766377][T27197] Out of memory: Killed process 21014 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1704.955941][ T6814] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1704.975953][ T6814] CPU: 0 PID: 6814 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1704.985771][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1704.995831][ T6814] Call Trace: [ 1704.999117][ T6814] dump_stack+0x18f/0x20d [ 1705.003433][ T6814] dump_header+0x106/0x60f [ 1705.007844][ T6814] oom_kill_process.cold+0x10/0x15 [ 1705.012933][ T6814] out_of_memory+0x326/0x1340 [ 1705.017608][ T6814] ? oom_killer_disable+0x270/0x270 [ 1705.022806][ T6814] ? mutex_trylock+0x246/0x2c0 [ 1705.027564][ T6814] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1705.034234][ T6814] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1705.040814][ T6814] ? warn_alloc+0x120/0x120 [ 1705.045309][ T6814] ? fs_reclaim_release+0x94/0xf0 [ 1705.050354][ T6814] ? lock_is_held_type+0xb0/0xe0 [ 1705.055319][ T6814] ? find_get_entry+0x3b2/0x8a0 [ 1705.060182][ T6814] __alloc_pages_nodemask+0x5a3/0x700 [ 1705.065562][ T6814] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1705.072338][ T6814] ? page_cache_readahead_unbounded+0x572/0x850 [ 1705.078585][ T6814] ? __lock_page_or_retry+0x650/0x650 [ 1705.083970][ T6814] alloc_pages_current+0x187/0x280 [ 1705.089110][ T6814] __page_cache_alloc+0x31e/0x450 [ 1705.094163][ T6814] pagecache_get_page+0x2a6/0xf70 [ 1705.099206][ T6814] ? __do_page_cache_readahead+0xc2/0xf0 [ 1705.104852][ T6814] filemap_fault+0x1a94/0x2ab0 [ 1705.109633][ T6814] ext4_filemap_fault+0x87/0xb6 [ 1705.114489][ T6814] __do_fault+0x10d/0x4d0 [ 1705.118831][ T6814] handle_mm_fault+0x37a3/0x43f0 [ 1705.123809][ T6814] ? apply_to_existing_page_range+0x40/0x40 [ 1705.129721][ T6814] ? vmacache_update+0xce/0x140 [ 1705.134606][ T6814] do_user_addr_fault+0x5a2/0xd00 [ 1705.139645][ T6814] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1705.145200][ T6814] exc_page_fault+0xab/0x170 [ 1705.149803][ T6814] ? asm_exc_page_fault+0x8/0x30 [ 1705.154745][ T6814] asm_exc_page_fault+0x1e/0x30 [ 1705.159607][ T6814] RIP: 0033:0x45b030 [ 1705.163493][ T6814] Code: Bad RIP value. [ 1705.167557][ T6814] RSP: 002b:00007fff99286898 EFLAGS: 00010246 [ 1705.173652][ T6814] RAX: 0000000000000000 RBX: 000000000018f0dc RCX: 000000000045b030 [ 1705.181624][ T6814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff992868a0 [ 1705.189593][ T6814] RBP: 000000000000086a R08: 0000000000000001 R09: 00000000017f2940 [ 1705.197566][ T6814] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1705.205559][ T6814] R13: 00007fff992868f0 R14: 000000000018f0dc R15: 00007fff99286900 [ 1705.232748][ T6814] Mem-Info: [ 1705.243290][ T6814] active_anon:222029 inactive_anon:4132 isolated_anon:0 [ 1705.243290][ T6814] active_file:220 inactive_file:201 isolated_file:58 [ 1705.243290][ T6814] unevictable:0 dirty:421 writeback:0 [ 1705.243290][ T6814] slab_reclaimable:14668 slab_unreclaimable:99539 [ 1705.243290][ T6814] mapped:53381 shmem:4360 pagetables:10504 bounce:0 [ 1705.243290][ T6814] free:13748 free_pcp:0 free_cma:0 [ 1705.280214][ T6814] Node 0 active_anon:887960kB inactive_anon:16524kB active_file:880kB inactive_file:868kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 739328kB writeback_tmp:0kB kernel_stack:20128kB all_unreclaimable? no [ 1705.310517][ T6814] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1705.356426][ T6814] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1705.391434][ T6814] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1705.397484][ T6814] Node 0 DMA32 free:17836kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:883864kB inactive_anon:16524kB active_file:1348kB inactive_file:736kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:41928kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1705.428796][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1705.433528][ T6814] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1705.468710][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1705.486956][ T6814] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:12kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1705.516170][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1705.521066][ T6814] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1705.548644][ T6814] Node 0 DMA32: 2049*4kB (UME) 610*8kB (UME) 151*16kB (ME) 46*32kB (M) 1*64kB (U) 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17668kB [ 1705.565401][ T6814] 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 [ 1705.576863][ T6814] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1705.599496][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1705.613666][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1705.623137][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1705.632685][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1705.642475][ T6814] 4811 total pagecache pages [ 1705.647104][ T6814] 0 pages in swap cache [ 1705.652066][ T6814] Swap cache stats: add 0, delete 0, find 0/0 [ 1705.658392][ T6814] Free swap = 0kB [ 1705.662105][ T6814] Total swap = 0kB [ 1705.665849][ T6814] 1965979 pages RAM [ 1705.669842][ T6814] 0 pages HighMem/MovableOnly [ 1705.676496][ T6814] 349901 pages reserved [ 1705.680649][ T6814] 0 pages cma reserved [ 1705.699480][ T6814] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=21007,uid=0 [ 1705.733645][ T6814] Out of memory: Killed process 21007 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1705.838721][ T7248] syz-executor.4 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1705.862280][ T7248] CPU: 1 PID: 7248 Comm: syz-executor.4 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1705.872098][ T7248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1705.882150][ T7248] Call Trace: [ 1705.885461][ T7248] dump_stack+0x18f/0x20d [ 1705.889795][ T7248] dump_header+0x106/0x60f [ 1705.894220][ T7248] oom_kill_process.cold+0x10/0x15 [ 1705.899422][ T7248] out_of_memory+0x326/0x1340 [ 1705.904107][ T7248] ? oom_killer_disable+0x270/0x270 [ 1705.909311][ T7248] ? mutex_trylock+0x246/0x2c0 [ 1705.914143][ T7248] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1705.920803][ T7248] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1705.927395][ T7248] ? warn_alloc+0x120/0x120 [ 1705.931876][ T7248] ? fs_reclaim_release+0x94/0xf0 [ 1705.936884][ T7248] ? lock_is_held_type+0xb0/0xe0 [ 1705.941823][ T7248] ? find_get_entry+0x3b2/0x8a0 [ 1705.946672][ T7248] __alloc_pages_nodemask+0x5a3/0x700 [ 1705.952031][ T7248] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1705.958777][ T7248] ? page_cache_readahead_unbounded+0x572/0x850 [ 1705.965001][ T7248] ? __lock_page_or_retry+0x650/0x650 [ 1705.970354][ T7248] alloc_pages_current+0x187/0x280 [ 1705.975459][ T7248] __page_cache_alloc+0x31e/0x450 [ 1705.980460][ T7248] pagecache_get_page+0x2a6/0xf70 [ 1705.985466][ T7248] ? __do_page_cache_readahead+0xc2/0xf0 [ 1705.991089][ T7248] filemap_fault+0x1a94/0x2ab0 [ 1705.995838][ T7248] ext4_filemap_fault+0x87/0xb6 [ 1706.000666][ T7248] __do_fault+0x10d/0x4d0 [ 1706.004990][ T7248] handle_mm_fault+0x37a3/0x43f0 [ 1706.009908][ T7248] ? apply_to_existing_page_range+0x40/0x40 [ 1706.015789][ T7248] do_user_addr_fault+0x5a2/0xd00 [ 1706.020796][ T7248] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1706.026323][ T7248] exc_page_fault+0xab/0x170 [ 1706.030912][ T7248] ? asm_exc_page_fault+0x8/0x30 [ 1706.035826][ T7248] asm_exc_page_fault+0x1e/0x30 [ 1706.040651][ T7248] RIP: 0033:0x4106ae [ 1706.044517][ T7248] Code: Bad RIP value. [ 1706.048556][ T7248] RSP: 002b:00007ffee9a46ec0 EFLAGS: 00010206 [ 1706.054594][ T7248] RAX: 000000000018f6f8 RBX: 000000000018f174 RCX: 000000000018f6a0 [ 1706.062552][ T7248] RDX: 0000001b2d320000 RSI: 0000000000000000 RDI: 0000000000000001 [ 1706.070543][ T7248] RBP: 0000000000000b02 R08: 0000000000000001 R09: 00000000012ad940 [ 1706.078505][ T7248] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1706.086453][ T7248] R13: 00007ffee9a46ef0 R14: 000000000018f174 R15: 00007ffee9a46f00 [ 1706.193871][ T7248] Mem-Info: [ 1706.197227][ T7248] active_anon:221490 inactive_anon:4132 isolated_anon:0 [ 1706.197227][ T7248] active_file:236 inactive_file:207 isolated_file:32 [ 1706.197227][ T7248] unevictable:0 dirty:421 writeback:0 [ 1706.197227][ T7248] slab_reclaimable:14668 slab_unreclaimable:99568 [ 1706.197227][ T7248] mapped:53381 shmem:4360 pagetables:10478 bounce:0 [ 1706.197227][ T7248] free:13663 free_pcp:0 free_cma:0 [ 1706.293948][ T7248] Node 0 active_anon:885804kB inactive_anon:16524kB active_file:928kB inactive_file:952kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 737280kB writeback_tmp:0kB kernel_stack:20128kB all_unreclaimable? no [ 1706.325368][ T7248] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1706.352524][ T7248] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1706.423534][ T7248] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1706.429316][ T7248] Node 0 DMA32 free:17496kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:881708kB inactive_anon:16524kB active_file:764kB inactive_file:664kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:41824kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1706.459754][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1706.464543][ T7248] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1706.492563][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1706.497336][ T7248] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1706.544537][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1706.549362][ T7248] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1706.564061][ T7248] Node 0 DMA32: 2084*4kB (UME) 619*8kB (UME) 160*16kB (UME) 48*32kB (UM) 0*64kB 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17640kB [ 1706.578953][ T7248] 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 [ 1706.590740][ T7248] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1706.608906][ T7248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1706.618631][ T7248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1706.628059][ T7248] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1706.637725][ T7248] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1706.678397][ T7248] 4814 total pagecache pages [ 1706.685751][ T7248] 0 pages in swap cache [ 1706.690059][ T7248] Swap cache stats: add 0, delete 0, find 0/0 [ 1706.706486][ T7248] Free swap = 0kB [ 1706.710320][ T7248] Total swap = 0kB [ 1706.714861][ T7248] 1965979 pages RAM [ 1706.718672][ T7248] 0 pages HighMem/MovableOnly [ 1706.728775][ T7248] 349901 pages reserved [ 1706.733122][ T7248] 0 pages cma reserved [ 1706.737319][ T7248] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=20995,uid=0 [ 1706.770154][ T7248] Out of memory: Killed process 20995 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1706.811988][ T1151] oom_reaper: reaped process 20995 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1706.887563][ T6495] cron invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1706.982475][ T6495] CPU: 0 PID: 6495 Comm: cron Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1706.991440][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1707.001594][ T6495] Call Trace: [ 1707.004903][ T6495] dump_stack+0x18f/0x20d [ 1707.009248][ T6495] dump_header+0x106/0x60f [ 1707.013702][ T6495] oom_kill_process.cold+0x10/0x15 [ 1707.018841][ T6495] out_of_memory+0x326/0x1340 [ 1707.023544][ T6495] ? oom_killer_disable+0x270/0x270 [ 1707.029378][ T6495] ? mutex_trylock+0x246/0x2c0 [ 1707.034155][ T6495] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1707.040871][ T6495] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1707.047499][ T6495] ? warn_alloc+0x120/0x120 [ 1707.052021][ T6495] ? fs_reclaim_release+0x94/0xf0 [ 1707.057093][ T6495] ? lock_is_held_type+0xb0/0xe0 [ 1707.062038][ T6495] ? find_get_entry+0x3b2/0x8a0 [ 1707.066923][ T6495] __alloc_pages_nodemask+0x5a3/0x700 [ 1707.072312][ T6495] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1707.079094][ T6495] ? page_cache_readahead_unbounded+0x572/0x850 [ 1707.085367][ T6495] ? __lock_page_or_retry+0x650/0x650 [ 1707.090783][ T6495] alloc_pages_current+0x187/0x280 [ 1707.095910][ T6495] __page_cache_alloc+0x31e/0x450 [ 1707.100970][ T6495] pagecache_get_page+0x2a6/0xf70 [ 1707.106007][ T6495] ? __do_page_cache_readahead+0xc2/0xf0 [ 1707.111654][ T6495] filemap_fault+0x1a94/0x2ab0 [ 1707.116435][ T6495] ext4_filemap_fault+0x87/0xb6 [ 1707.121294][ T6495] __do_fault+0x10d/0x4d0 [ 1707.125640][ T6495] handle_mm_fault+0x37a3/0x43f0 [ 1707.130595][ T6495] ? apply_to_existing_page_range+0x40/0x40 [ 1707.136529][ T6495] do_user_addr_fault+0x5a2/0xd00 [ 1707.141577][ T6495] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1707.147139][ T6495] exc_page_fault+0xab/0x170 [ 1707.151750][ T6495] ? asm_exc_page_fault+0x8/0x30 [ 1707.156701][ T6495] asm_exc_page_fault+0x1e/0x30 [ 1707.161596][ T6495] RIP: 0033:0x7fe7c07b7270 [ 1707.166008][ T6495] Code: Bad RIP value. [ 1707.170073][ T6495] RSP: 002b:00007fff5946c008 EFLAGS: 00010246 [ 1707.176141][ T6495] RAX: 0000000000000000 RBX: fffffffffffffeb0 RCX: 00007fe7c07b7270 [ 1707.184119][ T6495] RDX: 00007fff595e2080 RSI: 00007fff5946c010 RDI: 00007fff5946c010 [ 1707.192151][ T6495] RBP: 0000000000000002 R08: 0000000000000008 R09: 0000000000000000 [ 1707.200147][ T6495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1707.208128][ T6495] R13: 00007fff5946c160 R14: 0000000000000000 R15: 0000000000000000 [ 1707.246211][ T6495] Mem-Info: [ 1707.249382][ T6495] active_anon:220951 inactive_anon:4132 isolated_anon:0 [ 1707.249382][ T6495] active_file:332 inactive_file:108 isolated_file:0 [ 1707.249382][ T6495] unevictable:0 dirty:421 writeback:0 [ 1707.249382][ T6495] slab_reclaimable:14668 slab_unreclaimable:98924 [ 1707.249382][ T6495] mapped:53381 shmem:4360 pagetables:10452 bounce:0 [ 1707.249382][ T6495] free:13662 free_pcp:118 free_cma:0 [ 1707.286599][ T6495] Node 0 active_anon:883648kB inactive_anon:16524kB active_file:916kB inactive_file:840kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 735232kB writeback_tmp:0kB kernel_stack:20032kB all_unreclaimable? no [ 1707.316521][ T6495] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1707.390801][ T6495] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1707.418684][ T6495] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1707.424664][ T6495] Node 0 DMA32 free:17492kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:879552kB inactive_anon:16524kB active_file:624kB inactive_file:1000kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:41720kB bounce:0kB free_pcp:468kB local_pcp:228kB free_cma:0kB [ 1707.456840][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1707.461543][ T6495] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1707.508231][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1707.515238][ T6495] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1707.557108][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1707.561887][ T6495] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1707.585500][ T6495] Node 0 DMA32: 2071*4kB (ME) 623*8kB (ME) 151*16kB (ME) 47*32kB (UM) 0*64kB 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17316kB [ 1707.609115][ T6495] 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 [ 1707.635027][ T6495] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1707.661615][ T6495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1707.671314][ T6495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1707.692972][ T6495] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1707.708637][ T6495] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1707.718165][ T6495] 4800 total pagecache pages [ 1707.722755][ T6495] 0 pages in swap cache [ 1707.740762][ T6495] Swap cache stats: add 0, delete 0, find 0/0 [ 1707.748214][ T6495] Free swap = 0kB [ 1707.752021][ T6495] Total swap = 0kB [ 1707.760630][ T6495] 1965979 pages RAM [ 1707.764575][ T6495] 0 pages HighMem/MovableOnly [ 1707.769252][ T6495] 349901 pages reserved [ 1707.773521][ T6495] 0 pages cma reserved [ 1707.777587][ T6495] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=20988,uid=0 [ 1707.792447][ T6495] Out of memory: Killed process 20988 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1707.811445][ T1151] oom_reaper: reaped process 20988 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1707.838030][ T4427] systemd-timesyn invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1707.866624][ T4427] CPU: 0 PID: 4427 Comm: systemd-timesyn Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1707.876533][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1707.886592][ T4427] Call Trace: [ 1707.889895][ T4427] dump_stack+0x18f/0x20d [ 1707.894235][ T4427] dump_header+0x106/0x60f [ 1707.898684][ T4427] oom_kill_process.cold+0x10/0x15 [ 1707.903813][ T4427] out_of_memory+0x326/0x1340 [ 1707.908534][ T4427] ? oom_killer_disable+0x270/0x270 [ 1707.913742][ T4427] ? mutex_trylock+0x246/0x2c0 [ 1707.918514][ T4427] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1707.925208][ T4427] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1707.931836][ T4427] ? warn_alloc+0x120/0x120 [ 1707.936347][ T4427] ? fs_reclaim_release+0x94/0xf0 [ 1707.941388][ T4427] ? lock_is_held_type+0xb0/0xe0 [ 1707.946515][ T4427] ? find_get_entry+0x3b2/0x8a0 [ 1707.951384][ T4427] __alloc_pages_nodemask+0x5a3/0x700 [ 1707.956783][ T4427] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1707.963578][ T4427] ? page_cache_readahead_unbounded+0x572/0x850 [ 1707.969840][ T4427] ? __lock_page_or_retry+0x650/0x650 [ 1707.975227][ T4427] alloc_pages_current+0x187/0x280 [ 1707.980354][ T4427] __page_cache_alloc+0x31e/0x450 [ 1707.985393][ T4427] pagecache_get_page+0x2a6/0xf70 [ 1707.990428][ T4427] ? __do_page_cache_readahead+0xc2/0xf0 [ 1707.996075][ T4427] filemap_fault+0x1a94/0x2ab0 [ 1708.000855][ T4427] ext4_filemap_fault+0x87/0xb6 [ 1708.005710][ T4427] __do_fault+0x10d/0x4d0 [ 1708.010066][ T4427] handle_mm_fault+0x37a3/0x43f0 [ 1708.015017][ T4427] ? apply_to_existing_page_range+0x40/0x40 [ 1708.020937][ T4427] do_user_addr_fault+0x5a2/0xd00 [ 1708.025979][ T4427] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1708.031543][ T4427] exc_page_fault+0xab/0x170 [ 1708.036143][ T4427] ? asm_exc_page_fault+0x8/0x30 [ 1708.041083][ T4427] asm_exc_page_fault+0x1e/0x30 [ 1708.045934][ T4427] RIP: 0033:0x7f9e5fba5303 [ 1708.050346][ T4427] Code: Bad RIP value. [ 1708.054413][ T4427] RSP: 002b:00007fff51298500 EFLAGS: 00010293 [ 1708.060500][ T4427] RAX: 0000000000000001 RBX: 00005652ca80f8f0 RCX: 00007f9e5fba5303 [ 1708.068508][ T4427] RDX: 0000000000000006 RSI: 00007fff51298510 RDI: 0000000000000004 [ 1708.076484][ T4427] RBP: 00007fff51298660 R08: 0000000000000000 R09: 000000000000000d [ 1708.084460][ T4427] R10: 00000000ffffffff R11: 0000000000000293 R12: 00007fff51298510 [ 1708.092438][ T4427] R13: 0000000000000001 R14: ffffffffffffffff R15: 0000000000000000 [ 1708.199180][ T4427] Mem-Info: [ 1708.202351][ T4427] active_anon:220412 inactive_anon:4132 isolated_anon:0 [ 1708.202351][ T4427] active_file:172 inactive_file:270 isolated_file:20 [ 1708.202351][ T4427] unevictable:0 dirty:421 writeback:0 [ 1708.202351][ T4427] slab_reclaimable:14668 slab_unreclaimable:99178 [ 1708.202351][ T4427] mapped:53381 shmem:4360 pagetables:10426 bounce:0 [ 1708.202351][ T4427] free:13678 free_pcp:61 free_cma:0 [ 1708.242261][ T4427] Node 0 active_anon:881492kB inactive_anon:16524kB active_file:1156kB inactive_file:568kB unevictable:0kB isolated(anon):0kB isolated(file):80kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 733184kB writeback_tmp:0kB kernel_stack:19968kB all_unreclaimable? yes [ 1708.313359][ T4427] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1708.358327][ T4427] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1708.386997][ T4427] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1708.392780][ T4427] Node 0 DMA32 free:17556kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:877396kB inactive_anon:16524kB active_file:1008kB inactive_file:120kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:41616kB bounce:0kB free_pcp:456kB local_pcp:228kB free_cma:0kB [ 1708.425110][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1708.429837][ T4427] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1708.466475][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1708.471197][ T4427] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1708.549320][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1708.554085][ T4427] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1708.577295][ T4427] Node 0 DMA32: 2076*4kB (ME) 631*8kB (UME) 152*16kB (ME) 46*32kB (M) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17704kB [ 1708.592563][ T4427] 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 [ 1708.604098][ T4427] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1708.623849][ T4427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1708.634637][ T4427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1708.670770][ T4427] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1708.697648][ T4427] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1708.713811][ T4427] 4800 total pagecache pages [ 1708.718427][ T4427] 0 pages in swap cache [ 1708.722603][ T4427] Swap cache stats: add 0, delete 0, find 0/0 [ 1708.728749][ T4427] Free swap = 0kB [ 1708.732506][ T4427] Total swap = 0kB [ 1708.759625][ T4427] 1965979 pages RAM [ 1708.765751][ T4427] 0 pages HighMem/MovableOnly [ 1708.770443][ T4427] 349901 pages reserved [ 1708.781710][ T4427] 0 pages cma reserved [ 1708.785879][ T4427] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=20983,uid=0 [ 1708.822721][ T4427] Out of memory: Killed process 20983 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1708.985977][ T6508] in:imklog invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1709.006538][ T6508] CPU: 1 PID: 6508 Comm: in:imklog Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1709.015924][ T6508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1709.026675][ T6508] Call Trace: [ 1709.029973][ T6508] dump_stack+0x18f/0x20d [ 1709.034289][ T6508] dump_header+0x106/0x60f [ 1709.038716][ T6508] oom_kill_process.cold+0x10/0x15 [ 1709.043813][ T6508] out_of_memory+0x326/0x1340 [ 1709.048478][ T6508] ? oom_killer_disable+0x270/0x270 [ 1709.053659][ T6508] ? mutex_trylock+0x246/0x2c0 [ 1709.058423][ T6508] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1709.065103][ T6508] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1709.072647][ T6508] ? warn_alloc+0x120/0x120 [ 1709.077143][ T6508] ? fs_reclaim_release+0x94/0xf0 [ 1709.082158][ T6508] ? lock_is_held_type+0xb0/0xe0 [ 1709.087091][ T6508] ? find_get_entry+0x3b2/0x8a0 [ 1709.091941][ T6508] __alloc_pages_nodemask+0x5a3/0x700 [ 1709.097306][ T6508] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1709.104056][ T6508] ? page_cache_readahead_unbounded+0x572/0x850 [ 1709.110996][ T6508] ? __lock_page_or_retry+0x650/0x650 [ 1709.116374][ T6508] alloc_pages_current+0x187/0x280 [ 1709.121524][ T6508] __page_cache_alloc+0x31e/0x450 [ 1709.126546][ T6508] pagecache_get_page+0x2a6/0xf70 [ 1709.131575][ T6508] ? __do_page_cache_readahead+0xc2/0xf0 [ 1709.137218][ T6508] filemap_fault+0x1a94/0x2ab0 [ 1709.141978][ T6508] ext4_filemap_fault+0x87/0xb6 [ 1709.146832][ T6508] __do_fault+0x10d/0x4d0 [ 1709.151163][ T6508] handle_mm_fault+0x37a3/0x43f0 [ 1709.156115][ T6508] ? apply_to_existing_page_range+0x40/0x40 [ 1709.162004][ T6508] do_user_addr_fault+0x5a2/0xd00 [ 1709.167022][ T6508] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1709.172573][ T6508] exc_page_fault+0xab/0x170 [ 1709.177152][ T6508] ? asm_exc_page_fault+0x8/0x30 [ 1709.182078][ T6508] asm_exc_page_fault+0x1e/0x30 [ 1709.186909][ T6508] RIP: 0033:0x7fefec55522d [ 1709.191307][ T6508] Code: Bad RIP value. [ 1709.195349][ T6508] RSP: 002b:00007fefe9ef1580 EFLAGS: 00010293 [ 1709.201396][ T6508] RAX: 0000000000000955 RBX: 0000000000000000 RCX: 00007fefec55522d [ 1709.209361][ T6508] RDX: 0000000000001fa0 RSI: 00007fefe9ef1da0 RDI: 0000000000000004 [ 1709.217318][ T6508] RBP: 00005623e0e7c9d0 R08: 0000000000000000 R09: 0000000000000000 [ 1709.225275][ T6508] R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007fefe9ef1da0 [ 1709.233231][ T6508] R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007fefe9ef3c5e [ 1709.283205][ T6508] Mem-Info: [ 1709.286489][ T6508] active_anon:219873 inactive_anon:4132 isolated_anon:0 [ 1709.286489][ T6508] active_file:261 inactive_file:143 isolated_file:0 [ 1709.286489][ T6508] unevictable:0 dirty:421 writeback:0 [ 1709.286489][ T6508] slab_reclaimable:14668 slab_unreclaimable:99097 [ 1709.286489][ T6508] mapped:53381 shmem:4360 pagetables:10400 bounce:0 [ 1709.286489][ T6508] free:13656 free_pcp:186 free_cma:0 [ 1709.341330][ T6508] Node 0 active_anon:879336kB inactive_anon:16524kB active_file:624kB inactive_file:1080kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 731136kB writeback_tmp:0kB kernel_stack:19904kB all_unreclaimable? no [ 1709.382223][ T6508] Node 1 active_anon:156kB inactive_anon:4kB active_file:12kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1709.445189][ T6508] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1709.474144][ T6508] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1709.479889][ T6508] Node 0 DMA32 free:17424kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:875240kB inactive_anon:16524kB active_file:700kB inactive_file:1236kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:41512kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 1709.514211][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1709.530373][ T6508] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1709.590132][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1709.594920][ T6508] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1709.689119][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1709.698911][ T6508] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1709.713391][ T6508] Node 0 DMA32: 2023*4kB (ME) 632*8kB (UME) 153*16kB (UME) 48*32kB (UM) 2*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17388kB [ 1709.728541][ T6508] 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 [ 1709.742198][ T6508] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1709.760821][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1709.771174][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1709.780573][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1709.790234][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1709.804914][ T6508] 4800 total pagecache pages [ 1709.809561][ T6508] 0 pages in swap cache [ 1709.813784][ T6508] Swap cache stats: add 0, delete 0, find 0/0 [ 1709.829634][ T6508] Free swap = 0kB [ 1709.833431][ T6508] Total swap = 0kB [ 1709.837173][ T6508] 1965979 pages RAM [ 1709.840996][ T6508] 0 pages HighMem/MovableOnly [ 1709.848516][ T6508] 349901 pages reserved [ 1709.852687][ T6508] 0 pages cma reserved [ 1709.857005][ T6508] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=20976,uid=0 [ 1709.886611][ T6508] Out of memory: Killed process 20976 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1709.923057][ T3873] systemd-journal invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1709.970398][ T3873] CPU: 0 PID: 3873 Comm: systemd-journal Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1709.980314][ T3873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1709.990374][ T3873] Call Trace: [ 1709.993683][ T3873] dump_stack+0x18f/0x20d [ 1709.998549][ T3873] dump_header+0x106/0x60f [ 1710.002979][ T3873] oom_kill_process.cold+0x10/0x15 [ 1710.008103][ T3873] out_of_memory+0x326/0x1340 [ 1710.012791][ T3873] ? oom_killer_disable+0x270/0x270 [ 1710.017997][ T3873] ? mutex_trylock+0x246/0x2c0 [ 1710.022776][ T3873] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1710.029486][ T3873] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1710.037063][ T3873] ? warn_alloc+0x120/0x120 [ 1710.041572][ T3873] ? fs_reclaim_release+0x94/0xf0 [ 1710.046614][ T3873] ? lock_is_held_type+0xb0/0xe0 [ 1710.051580][ T3873] ? find_get_entry+0x3b2/0x8a0 [ 1710.056445][ T3873] __alloc_pages_nodemask+0x5a3/0x700 [ 1710.061830][ T3873] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1710.068612][ T3873] ? page_cache_readahead_unbounded+0x572/0x850 [ 1710.074893][ T3873] ? __lock_page_or_retry+0x650/0x650 [ 1710.080281][ T3873] alloc_pages_current+0x187/0x280 [ 1710.085430][ T3873] __page_cache_alloc+0x31e/0x450 [ 1710.090469][ T3873] pagecache_get_page+0x2a6/0xf70 [ 1710.095504][ T3873] ? __do_page_cache_readahead+0xc2/0xf0 [ 1710.101175][ T3873] filemap_fault+0x1a94/0x2ab0 [ 1710.105956][ T3873] ext4_filemap_fault+0x87/0xb6 [ 1710.110849][ T3873] __do_fault+0x10d/0x4d0 [ 1710.115190][ T3873] handle_mm_fault+0x37a3/0x43f0 [ 1710.120150][ T3873] ? apply_to_existing_page_range+0x40/0x40 [ 1710.126079][ T3873] do_user_addr_fault+0x5a2/0xd00 [ 1710.131121][ T3873] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1710.136686][ T3873] exc_page_fault+0xab/0x170 [ 1710.141291][ T3873] ? asm_exc_page_fault+0x8/0x30 [ 1710.146251][ T3873] asm_exc_page_fault+0x1e/0x30 [ 1710.151113][ T3873] RIP: 0033:0x7fb1de32f2e3 [ 1710.155525][ T3873] Code: Bad RIP value. [ 1710.159621][ T3873] RSP: 002b:00007ffe3d83c058 EFLAGS: 00010246 [ 1710.165690][ T3873] RAX: 0000000000000001 RBX: 000055ce75f621e0 RCX: 00007fb1de32f2e3 [ 1710.173665][ T3873] RDX: 0000000000000013 RSI: 00007ffe3d83c060 RDI: 0000000000000008 [ 1710.181640][ T3873] RBP: 00007ffe3d83c250 R08: 0000000000000000 R09: 00007ffe3d91e080 [ 1710.189615][ T3873] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3d83c060 [ 1710.197680][ T3873] R13: 0000000000000001 R14: ffffffffffffffff R15: 0005a9e6550b3dc4 [ 1710.211879][ T3873] Mem-Info: [ 1710.215067][ T3873] active_anon:219330 inactive_anon:4132 isolated_anon:0 [ 1710.215067][ T3873] active_file:149 inactive_file:273 isolated_file:0 [ 1710.215067][ T3873] unevictable:0 dirty:421 writeback:0 [ 1710.215067][ T3873] slab_reclaimable:14668 slab_unreclaimable:98420 [ 1710.215067][ T3873] mapped:53381 shmem:4360 pagetables:10374 bounce:0 [ 1710.215067][ T3873] free:13742 free_pcp:0 free_cma:0 [ 1710.251900][ T3873] Node 0 active_anon:877164kB inactive_anon:16524kB active_file:900kB inactive_file:832kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 729088kB writeback_tmp:0kB kernel_stack:19872kB all_unreclaimable? no [ 1710.282152][ T3873] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1710.310063][ T3873] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1710.349401][ T3873] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1710.355469][ T3873] Node 0 DMA32 free:17812kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:873068kB inactive_anon:16524kB active_file:764kB inactive_file:984kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:41408kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1710.385786][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1710.390494][ T3873] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1710.418206][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1710.422905][ T3873] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1710.453234][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1710.457962][ T3873] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1710.493237][ T3873] Node 0 DMA32: 2077*4kB (UME) 620*8kB (UME) 151*16kB (UME) 42*32kB (UM) 1*64kB (U) 0*128kB 1*256kB (U) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 18372kB [ 1710.517871][ T3873] 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 [ 1710.537193][ T3873] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1710.568415][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1710.586247][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1710.602829][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1710.618623][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1710.637919][ T3873] 4800 total pagecache pages [ 1710.642766][ T3873] 0 pages in swap cache [ 1710.659293][ T3873] Swap cache stats: add 0, delete 0, find 0/0 [ 1710.669796][ T3873] Free swap = 0kB [ 1710.678290][ T3873] Total swap = 0kB [ 1710.682215][ T3873] 1965979 pages RAM [ 1710.686109][ T3873] 0 pages HighMem/MovableOnly [ 1710.690790][ T3873] 349901 pages reserved [ 1710.701829][ T3873] 0 pages cma reserved [ 1710.706194][ T3873] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=20840,uid=0 [ 1710.756525][ T3873] Out of memory: Killed process 20840 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1710.885073][ T6796] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1710.924934][ T6796] CPU: 1 PID: 6796 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1710.934439][ T6796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1710.944482][ T6796] Call Trace: [ 1710.947781][ T6796] dump_stack+0x18f/0x20d [ 1710.952112][ T6796] dump_header+0x106/0x60f [ 1710.956516][ T6796] oom_kill_process.cold+0x10/0x15 [ 1710.961616][ T6796] out_of_memory+0x326/0x1340 [ 1710.966283][ T6796] ? oom_killer_disable+0x270/0x270 [ 1710.971492][ T6796] ? mutex_trylock+0x246/0x2c0 [ 1710.976247][ T6796] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1710.982918][ T6796] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1710.989509][ T6796] ? warn_alloc+0x120/0x120 [ 1710.994021][ T6796] ? fs_reclaim_release+0x94/0xf0 [ 1710.999052][ T6796] ? lock_is_held_type+0xb0/0xe0 [ 1711.003971][ T6796] ? find_get_entry+0x3b2/0x8a0 [ 1711.008824][ T6796] __alloc_pages_nodemask+0x5a3/0x700 [ 1711.014189][ T6796] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1711.020959][ T6796] ? page_cache_readahead_unbounded+0x572/0x850 [ 1711.027194][ T6796] ? __lock_page_or_retry+0x650/0x650 [ 1711.032572][ T6796] alloc_pages_current+0x187/0x280 [ 1711.037708][ T6796] __page_cache_alloc+0x31e/0x450 [ 1711.042725][ T6796] pagecache_get_page+0x2a6/0xf70 [ 1711.047745][ T6796] ? __do_page_cache_readahead+0xc2/0xf0 [ 1711.053374][ T6796] filemap_fault+0x1a94/0x2ab0 [ 1711.058133][ T6796] ext4_filemap_fault+0x87/0xb6 [ 1711.062970][ T6796] __do_fault+0x10d/0x4d0 [ 1711.067295][ T6796] handle_mm_fault+0x37a3/0x43f0 [ 1711.072226][ T6796] ? apply_to_existing_page_range+0x40/0x40 [ 1711.078129][ T6796] do_user_addr_fault+0x5a2/0xd00 [ 1711.083162][ T6796] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1711.088726][ T6796] exc_page_fault+0xab/0x170 [ 1711.093310][ T6796] ? asm_exc_page_fault+0x8/0x30 [ 1711.098232][ T6796] asm_exc_page_fault+0x1e/0x30 [ 1711.103070][ T6796] RIP: 0033:0x460c23 [ 1711.106942][ T6796] Code: Bad RIP value. [ 1711.111952][ T6796] RSP: 002b:000000c000051e98 EFLAGS: 00010246 [ 1711.118014][ T6796] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 0000000000460c23 [ 1711.125993][ T6796] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000016ff9f0 [ 1711.133954][ T6796] RBP: 000000c000051ee0 R08: 0000000000000000 R09: 0000000000000000 [ 1711.141928][ T6796] R10: 000000c000051ed0 R11: 0000000000000246 R12: 00000000004338c0 [ 1711.149912][ T6796] R13: 0000000000000000 R14: 0000000000adca10 R15: 0000000000000000 [ 1711.165273][ T6796] Mem-Info: [ 1711.168447][ T6796] active_anon:218787 inactive_anon:4132 isolated_anon:0 [ 1711.168447][ T6796] active_file:13 inactive_file:361 isolated_file:64 [ 1711.168447][ T6796] unevictable:0 dirty:421 writeback:0 [ 1711.168447][ T6796] slab_reclaimable:14668 slab_unreclaimable:98310 [ 1711.168447][ T6796] mapped:53381 shmem:4360 pagetables:10348 bounce:0 [ 1711.168447][ T6796] free:13685 free_pcp:58 free_cma:0 [ 1711.205324][ T6796] Node 0 active_anon:874992kB inactive_anon:16524kB active_file:632kB inactive_file:1136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 727040kB writeback_tmp:0kB kernel_stack:19840kB all_unreclaimable? no [ 1711.235156][ T6796] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1711.262383][ T6796] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1711.308610][ T6796] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1711.316053][ T6796] Node 0 DMA32 free:17584kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:870896kB inactive_anon:16524kB active_file:532kB inactive_file:944kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:41304kB bounce:0kB free_pcp:448kB local_pcp:240kB free_cma:0kB [ 1711.354607][ T6796] lowmem_reserve[]: 0 0 0 0 0 [ 1711.359328][ T6796] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1711.386284][ T6796] lowmem_reserve[]: 0 0 0 0 0 [ 1711.390988][ T6796] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1711.434485][ T6796] lowmem_reserve[]: 0 0 0 0 0 [ 1711.439232][ T6796] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1711.454659][ T6796] Node 0 DMA32: 2070*4kB (UME) 621*8kB (UME) 149*16kB (UME) 41*32kB (UM) 0*64kB 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17200kB [ 1711.469627][ T6796] 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 [ 1711.491365][ T6796] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1711.508674][ T6796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1711.518287][ T6796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1711.529284][ T6796] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1711.541019][ T6796] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1711.555758][ T6796] 4800 total pagecache pages [ 1711.560464][ T6796] 0 pages in swap cache [ 1711.565781][ T6796] Swap cache stats: add 0, delete 0, find 0/0 [ 1711.571850][ T6796] Free swap = 0kB [ 1711.575749][ T6796] Total swap = 0kB [ 1711.579472][ T6796] 1965979 pages RAM [ 1711.583435][ T6796] 0 pages HighMem/MovableOnly [ 1711.588110][ T6796] 349901 pages reserved [ 1711.592388][ T6796] 0 pages cma reserved [ 1711.596704][ T6796] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=17593,uid=0 [ 1711.611876][ T6796] Out of memory: Killed process 17593 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1711.723484][ T6796] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1711.748878][ T6796] CPU: 1 PID: 6796 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1711.759082][ T6796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1711.769142][ T6796] Call Trace: [ 1711.772424][ T6796] dump_stack+0x18f/0x20d [ 1711.776741][ T6796] dump_header+0x106/0x60f [ 1711.782115][ T6796] oom_kill_process.cold+0x10/0x15 [ 1711.787343][ T6796] out_of_memory+0x326/0x1340 [ 1711.792033][ T6796] ? oom_killer_disable+0x270/0x270 [ 1711.797225][ T6796] ? mutex_trylock+0x246/0x2c0 [ 1711.801975][ T6796] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1711.808661][ T6796] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1711.815254][ T6796] ? warn_alloc+0x120/0x120 [ 1711.819769][ T6796] ? fs_reclaim_release+0x94/0xf0 [ 1711.824802][ T6796] ? lock_is_held_type+0xb0/0xe0 [ 1711.829726][ T6796] ? find_get_entry+0x3b2/0x8a0 [ 1711.834566][ T6796] __alloc_pages_nodemask+0x5a3/0x700 [ 1711.839940][ T6796] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1711.846704][ T6796] ? page_cache_readahead_unbounded+0x572/0x850 [ 1711.852935][ T6796] ? __lock_page_or_retry+0x650/0x650 [ 1711.858298][ T6796] alloc_pages_current+0x187/0x280 [ 1711.863398][ T6796] __page_cache_alloc+0x31e/0x450 [ 1711.868938][ T6796] pagecache_get_page+0x2a6/0xf70 [ 1711.873951][ T6796] ? __do_page_cache_readahead+0xc2/0xf0 [ 1711.879593][ T6796] filemap_fault+0x1a94/0x2ab0 [ 1711.884372][ T6796] ext4_filemap_fault+0x87/0xb6 [ 1711.889209][ T6796] __do_fault+0x10d/0x4d0 [ 1711.893549][ T6796] handle_mm_fault+0x37a3/0x43f0 [ 1711.899018][ T6796] ? apply_to_existing_page_range+0x40/0x40 [ 1711.904916][ T6796] do_user_addr_fault+0x5a2/0xd00 [ 1711.909954][ T6796] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1711.915496][ T6796] exc_page_fault+0xab/0x170 [ 1711.920081][ T6796] ? asm_exc_page_fault+0x8/0x30 [ 1711.925041][ T6796] asm_exc_page_fault+0x1e/0x30 [ 1711.929890][ T6796] RIP: 0033:0x460c23 [ 1711.933779][ T6796] Code: Bad RIP value. [ 1711.937836][ T6796] RSP: 002b:000000c000051e98 EFLAGS: 00010246 [ 1711.943882][ T6796] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 0000000000460c23 [ 1711.951848][ T6796] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000016ff9f0 [ 1711.959824][ T6796] RBP: 000000c000051ee0 R08: 0000000000000000 R09: 0000000000000000 [ 1711.967801][ T6796] R10: 000000c000051ed0 R11: 0000000000000246 R12: 00000000004338c0 [ 1711.975756][ T6796] R13: 0000000000000000 R14: 0000000000adca10 R15: 0000000000000000 [ 1712.001708][ T6796] Mem-Info: [ 1712.004966][ T6796] active_anon:218245 inactive_anon:4132 isolated_anon:0 [ 1712.004966][ T6796] active_file:231 inactive_file:209 isolated_file:0 [ 1712.004966][ T6796] unevictable:0 dirty:421 writeback:0 [ 1712.004966][ T6796] slab_reclaimable:14668 slab_unreclaimable:98130 [ 1712.004966][ T6796] mapped:53381 shmem:4360 pagetables:10322 bounce:0 [ 1712.004966][ T6796] free:13733 free_pcp:166 free_cma:0 [ 1712.042710][ T6796] Node 0 active_anon:872824kB inactive_anon:16524kB active_file:836kB inactive_file:940kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 724992kB writeback_tmp:0kB kernel_stack:19808kB all_unreclaimable? no [ 1712.073456][ T6796] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1712.100841][ T6796] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1712.145558][ T6796] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1712.151329][ T6796] Node 0 DMA32 free:17776kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:868728kB inactive_anon:16524kB active_file:1132kB inactive_file:596kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:41200kB bounce:0kB free_pcp:232kB local_pcp:0kB free_cma:0kB [ 1712.189263][ T6796] lowmem_reserve[]: 0 0 0 0 0 [ 1712.194399][ T6796] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1712.229064][ T6796] lowmem_reserve[]: 0 0 0 0 0 [ 1712.236194][ T6796] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1712.281484][ T6796] lowmem_reserve[]: 0 0 0 0 0 [ 1712.293357][ T6796] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1712.316215][ T6796] Node 0 DMA32: 2110*4kB (UME) 623*8kB (UME) 151*16kB (UME) 42*32kB (UM) 1*64kB (U) 3*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18400kB [ 1712.346424][ T6796] 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 [ 1712.362957][ T6796] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1712.393040][ T6796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1712.404236][ T6796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1712.417317][ T6796] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1712.427044][ T6796] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1712.436561][ T6796] 4825 total pagecache pages [ 1712.441133][ T6796] 0 pages in swap cache [ 1712.445336][ T6796] Swap cache stats: add 0, delete 0, find 0/0 [ 1712.451412][ T6796] Free swap = 0kB [ 1712.455173][ T6796] Total swap = 0kB [ 1712.458911][ T6796] 1965979 pages RAM [ 1712.462756][ T6796] 0 pages HighMem/MovableOnly [ 1712.467445][ T6796] 349901 pages reserved [ 1712.471596][ T6796] 0 pages cma reserved [ 1712.475670][ T6796] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=17579,uid=0 [ 1712.490423][ T6796] Out of memory: Killed process 17579 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1712.530307][ T6811] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1712.561988][ T6811] CPU: 0 PID: 6811 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1712.571585][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1712.581640][ T6811] Call Trace: [ 1712.584931][ T6811] dump_stack+0x18f/0x20d [ 1712.589272][ T6811] dump_header+0x106/0x60f [ 1712.593696][ T6811] oom_kill_process.cold+0x10/0x15 [ 1712.598798][ T6811] out_of_memory+0x326/0x1340 [ 1712.603504][ T6811] ? oom_killer_disable+0x270/0x270 [ 1712.608731][ T6811] ? mutex_trylock+0x246/0x2c0 [ 1712.613508][ T6811] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1712.620213][ T6811] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1712.626856][ T6811] ? warn_alloc+0x120/0x120 [ 1712.631372][ T6811] ? fs_reclaim_release+0x94/0xf0 [ 1712.636415][ T6811] ? lock_is_held_type+0xb0/0xe0 [ 1712.641372][ T6811] ? find_get_entry+0x3b2/0x8a0 [ 1712.646255][ T6811] __alloc_pages_nodemask+0x5a3/0x700 [ 1712.651650][ T6811] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1712.658437][ T6811] ? page_cache_readahead_unbounded+0x572/0x850 [ 1712.664701][ T6811] ? __lock_page_or_retry+0x650/0x650 [ 1712.670099][ T6811] alloc_pages_current+0x187/0x280 [ 1712.675235][ T6811] __page_cache_alloc+0x31e/0x450 [ 1712.680283][ T6811] pagecache_get_page+0x2a6/0xf70 [ 1712.685325][ T6811] ? __do_page_cache_readahead+0xc2/0xf0 [ 1712.690981][ T6811] filemap_fault+0x1a94/0x2ab0 [ 1712.695773][ T6811] ext4_filemap_fault+0x87/0xb6 [ 1712.700638][ T6811] __do_fault+0x10d/0x4d0 [ 1712.705015][ T6811] handle_mm_fault+0x37a3/0x43f0 [ 1712.715887][ T6811] ? apply_to_existing_page_range+0x40/0x40 [ 1712.721813][ T6811] do_user_addr_fault+0x5a2/0xd00 [ 1712.726855][ T6811] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1712.732418][ T6811] exc_page_fault+0xab/0x170 [ 1712.737028][ T6811] ? asm_exc_page_fault+0x8/0x30 [ 1712.741981][ T6811] asm_exc_page_fault+0x1e/0x30 [ 1712.746928][ T6811] RIP: 0033:0x460c23 [ 1712.750843][ T6811] Code: Bad RIP value. [ 1712.754907][ T6811] RSP: 002b:000000c00003f6a0 EFLAGS: 00010202 [ 1712.760983][ T6811] RAX: ffffffffffffff92 RBX: 00000000312f1f92 RCX: 0000000000460c23 [ 1712.768970][ T6811] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000001703ac0 [ 1712.776959][ T6811] RBP: 000000c00003f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1712.784942][ T6811] R10: 000000c00003f6d8 R11: 0000000000000202 R12: 0000018908be93a7 [ 1712.792932][ T6811] R13: 0000000000000001 R14: 0000018908be93a7 R15: 0000000000000000 [ 1712.821334][ T6811] Mem-Info: [ 1712.824550][ T6811] active_anon:217706 inactive_anon:4132 isolated_anon:0 [ 1712.824550][ T6811] active_file:257 inactive_file:150 isolated_file:32 [ 1712.824550][ T6811] unevictable:0 dirty:421 writeback:0 [ 1712.824550][ T6811] slab_reclaimable:14668 slab_unreclaimable:98191 [ 1712.824550][ T6811] mapped:53381 shmem:4360 pagetables:10296 bounce:0 [ 1712.824550][ T6811] free:13760 free_pcp:121 free_cma:0 [ 1712.861957][ T6811] Node 0 active_anon:870668kB inactive_anon:16524kB active_file:860kB inactive_file:836kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 722944kB writeback_tmp:0kB kernel_stack:19808kB all_unreclaimable? no [ 1712.891815][ T6811] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1712.936118][ T6811] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1712.963925][ T6811] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1712.969683][ T6811] Node 0 DMA32 free:17884kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:866572kB inactive_anon:16524kB active_file:888kB inactive_file:720kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:41096kB bounce:0kB free_pcp:228kB local_pcp:228kB free_cma:0kB [ 1713.000346][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1713.005253][ T6811] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1713.045605][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1713.051197][ T6811] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1713.097945][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1713.102860][ T6811] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1713.117412][ T6811] Node 0 DMA32: 2099*4kB (ME) 625*8kB (ME) 150*16kB (ME) 40*32kB (M) 1*64kB (U) 1*128kB (U) 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 18292kB [ 1713.134689][ T6811] 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 [ 1713.146581][ T6811] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1713.175347][ T6811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1713.186311][ T6811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1713.209938][ T6811] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1713.239685][ T6811] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1713.250908][ T6811] 4813 total pagecache pages [ 1713.264953][ T6811] 0 pages in swap cache [ 1713.269412][ T6811] Swap cache stats: add 0, delete 0, find 0/0 [ 1713.284644][ T6811] Free swap = 0kB [ 1713.288613][ T6811] Total swap = 0kB [ 1713.293114][ T6811] 1965979 pages RAM [ 1713.308792][ T6811] 0 pages HighMem/MovableOnly [ 1713.313639][ T6811] 349901 pages reserved [ 1713.317791][ T6811] 0 pages cma reserved [ 1713.353030][ T6811] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=17570,uid=0 [ 1713.397354][ T6811] Out of memory: Killed process 17570 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1713.415528][ T1151] oom_reaper: reaped process 17570 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1713.467554][ T6814] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1713.478925][ T6814] CPU: 0 PID: 6814 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1713.488737][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1713.498798][ T6814] Call Trace: [ 1713.502115][ T6814] dump_stack+0x18f/0x20d [ 1713.506458][ T6814] dump_header+0x106/0x60f [ 1713.510904][ T6814] oom_kill_process.cold+0x10/0x15 [ 1713.516025][ T6814] out_of_memory+0x326/0x1340 [ 1713.520752][ T6814] ? oom_killer_disable+0x270/0x270 [ 1713.525961][ T6814] ? mutex_trylock+0x246/0x2c0 [ 1713.530731][ T6814] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1713.537421][ T6814] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1713.544072][ T6814] ? warn_alloc+0x120/0x120 [ 1713.548586][ T6814] ? fs_reclaim_release+0x94/0xf0 [ 1713.553628][ T6814] ? lock_is_held_type+0xb0/0xe0 [ 1713.558569][ T6814] ? find_get_entry+0x3b2/0x8a0 [ 1713.563434][ T6814] __alloc_pages_nodemask+0x5a3/0x700 [ 1713.568823][ T6814] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1713.575601][ T6814] ? page_cache_readahead_unbounded+0x572/0x850 [ 1713.581872][ T6814] ? __lock_page_or_retry+0x650/0x650 [ 1713.587251][ T6814] alloc_pages_current+0x187/0x280 [ 1713.592367][ T6814] __page_cache_alloc+0x31e/0x450 [ 1713.597398][ T6814] pagecache_get_page+0x2a6/0xf70 [ 1713.602492][ T6814] ? __do_page_cache_readahead+0xc2/0xf0 [ 1713.608145][ T6814] filemap_fault+0x1a94/0x2ab0 [ 1713.612923][ T6814] ext4_filemap_fault+0x87/0xb6 [ 1713.617779][ T6814] __do_fault+0x10d/0x4d0 [ 1713.622119][ T6814] handle_mm_fault+0x37a3/0x43f0 [ 1713.627082][ T6814] ? apply_to_existing_page_range+0x40/0x40 [ 1713.633005][ T6814] ? vmacache_update+0xce/0x140 [ 1713.637877][ T6814] do_user_addr_fault+0x5a2/0xd00 [ 1713.642933][ T6814] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1713.648506][ T6814] exc_page_fault+0xab/0x170 [ 1713.653113][ T6814] ? asm_exc_page_fault+0x8/0x30 [ 1713.658061][ T6814] asm_exc_page_fault+0x1e/0x30 [ 1713.662923][ T6814] RIP: 0033:0x45b030 [ 1713.666815][ T6814] Code: Bad RIP value. [ 1713.670907][ T6814] RSP: 002b:00007fff99286898 EFLAGS: 00010246 [ 1713.676981][ T6814] RAX: 0000000000000000 RBX: 000000000018f0dc RCX: 000000000045b030 [ 1713.684963][ T6814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff992868a0 [ 1713.692945][ T6814] RBP: 000000000000086a R08: 0000000000000001 R09: 00000000017f2940 [ 1713.700953][ T6814] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1713.708932][ T6814] R13: 00007fff992868f0 R14: 000000000018f0dc R15: 00007fff99286900 [ 1713.865543][ T6814] Mem-Info: [ 1713.868721][ T6814] active_anon:217164 inactive_anon:4132 isolated_anon:0 [ 1713.868721][ T6814] active_file:192 inactive_file:234 isolated_file:0 [ 1713.868721][ T6814] unevictable:0 dirty:421 writeback:0 [ 1713.868721][ T6814] slab_reclaimable:14668 slab_unreclaimable:98056 [ 1713.868721][ T6814] mapped:53381 shmem:4360 pagetables:10245 bounce:0 [ 1713.868721][ T6814] free:13738 free_pcp:119 free_cma:0 [ 1713.911181][ T6814] Node 0 active_anon:868500kB inactive_anon:16524kB active_file:1236kB inactive_file:584kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 720896kB writeback_tmp:0kB kernel_stack:19808kB all_unreclaimable? yes [ 1714.010109][ T6814] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1714.067324][ T6814] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1714.140449][ T6814] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1714.148717][ T6814] Node 0 DMA32 free:17616kB min:40012kB low:48988kB high:57964kB reserved_highatomic:0KB active_anon:864384kB inactive_anon:16524kB active_file:1412kB inactive_file:716kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:40888kB bounce:0kB free_pcp:488kB local_pcp:244kB free_cma:0kB [ 1714.188253][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1714.192995][ T6814] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1714.240142][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1714.247729][ T6814] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1714.286189][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1714.290933][ T6814] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1714.308114][ T6814] Node 0 DMA32: 2090*4kB (UME) 629*8kB (UME) 151*16kB (UME) 40*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17088kB [ 1714.322571][ T6814] 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 [ 1714.334469][ T6814] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1714.357610][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1714.368020][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1714.378769][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1714.388438][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1714.412575][ T6814] 4813 total pagecache pages [ 1714.433260][ T6814] 0 pages in swap cache [ 1714.437447][ T6814] Swap cache stats: add 0, delete 0, find 0/0 [ 1714.457714][ T6814] Free swap = 0kB [ 1714.461462][ T6814] Total swap = 0kB [ 1714.472099][ T6814] 1965979 pages RAM [ 1714.477403][ T6814] 0 pages HighMem/MovableOnly [ 1714.482097][ T6814] 349901 pages reserved [ 1714.487233][ T6814] 0 pages cma reserved [ 1714.491318][ T6814] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=17563,uid=0 [ 1714.517886][ T6814] Out of memory: Killed process 17563 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1714.543685][ T1151] oom_reaper: reaped process 17563 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1714.630036][ T3879] systemd-udevd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=-1000 [ 1714.649593][ T3879] CPU: 0 PID: 3879 Comm: systemd-udevd Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1714.659335][ T3879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1714.669405][ T3879] Call Trace: [ 1714.672735][ T3879] dump_stack+0x18f/0x20d [ 1714.677076][ T3879] dump_header+0x106/0x60f [ 1714.681510][ T3879] oom_kill_process.cold+0x10/0x15 [ 1714.686641][ T3879] out_of_memory+0x326/0x1340 [ 1714.691340][ T3879] ? oom_killer_disable+0x270/0x270 [ 1714.696549][ T3879] ? mutex_trylock+0x246/0x2c0 [ 1714.701327][ T3879] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1714.708028][ T3879] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1714.714664][ T3879] ? warn_alloc+0x120/0x120 [ 1714.719188][ T3879] ? fs_reclaim_release+0x94/0xf0 [ 1714.724237][ T3879] ? lock_is_held_type+0xb0/0xe0 [ 1714.729184][ T3879] ? find_get_entry+0x3b2/0x8a0 [ 1714.734057][ T3879] __alloc_pages_nodemask+0x5a3/0x700 [ 1714.739454][ T3879] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1714.746239][ T3879] ? page_cache_readahead_unbounded+0x572/0x850 [ 1714.752526][ T3879] ? __lock_page_or_retry+0x650/0x650 [ 1714.757918][ T3879] alloc_pages_current+0x187/0x280 [ 1714.763047][ T3879] __page_cache_alloc+0x31e/0x450 [ 1714.768093][ T3879] pagecache_get_page+0x2a6/0xf70 [ 1714.773145][ T3879] ? __do_page_cache_readahead+0xc2/0xf0 [ 1714.778793][ T3879] filemap_fault+0x1a94/0x2ab0 [ 1714.783580][ T3879] ext4_filemap_fault+0x87/0xb6 [ 1714.788442][ T3879] __do_fault+0x10d/0x4d0 [ 1714.792806][ T3879] handle_mm_fault+0x37a3/0x43f0 [ 1714.797766][ T3879] ? apply_to_existing_page_range+0x40/0x40 [ 1714.803692][ T3879] do_user_addr_fault+0x5a2/0xd00 [ 1714.808750][ T3879] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1714.814339][ T3879] exc_page_fault+0xab/0x170 [ 1714.818945][ T3879] ? asm_exc_page_fault+0x8/0x30 [ 1714.823901][ T3879] asm_exc_page_fault+0x1e/0x30 [ 1714.828802][ T3879] RIP: 0033:0x7fcd42813e50 [ 1714.833212][ T3879] Code: Bad RIP value. [ 1714.837276][ T3879] RSP: 002b:00007ffc09e03948 EFLAGS: 00010246 [ 1714.843350][ T3879] RAX: 0000000000000000 RBX: 000055bbe30b8140 RCX: 000055bbe30b8101 [ 1714.851337][ T3879] RDX: 00007ffc09e03801 RSI: 000055bbe298d67b RDI: 000055bbe30b8140 [ 1714.859335][ T3879] RBP: 000055bbe2990266 R08: 00007fcd42a881f8 R09: 0000000000001010 [ 1714.867340][ T3879] R10: 00007fcd42a87b58 R11: 0000000000000246 R12: 000055bbe298d856 [ 1714.875331][ T3879] R13: 000055bbe298d67b R14: 00000000ffffffea R15: 000055bbe30b5d30 [ 1714.929715][ T3879] Mem-Info: [ 1714.933086][ T3879] active_anon:216620 inactive_anon:4132 isolated_anon:0 [ 1714.933086][ T3879] active_file:215 inactive_file:224 isolated_file:0 [ 1714.933086][ T3879] unevictable:0 dirty:421 writeback:0 [ 1714.933086][ T3879] slab_reclaimable:14668 slab_unreclaimable:97895 [ 1714.933086][ T3879] mapped:53381 shmem:4360 pagetables:10243 bounce:0 [ 1714.933086][ T3879] free:13734 free_pcp:60 free_cma:0 [ 1714.977358][ T3879] Node 0 active_anon:866324kB inactive_anon:16524kB active_file:960kB inactive_file:792kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 716800kB writeback_tmp:0kB kernel_stack:19808kB all_unreclaimable? no [ 1715.018630][ T3879] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1715.093027][ T3879] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1715.128693][ T3879] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1715.145788][ T3879] Node 0 DMA32 free:17780kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:862228kB inactive_anon:16524kB active_file:1040kB inactive_file:1280kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:40884kB bounce:0kB free_pcp:468kB local_pcp:228kB free_cma:0kB [ 1715.185669][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1715.190611][ T3879] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1715.258646][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1715.278573][ T3879] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1715.317064][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1715.321989][ T3879] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1715.343118][ T3879] Node 0 DMA32: 2068*4kB (UME) 637*8kB (UME) 146*16kB (ME) 39*32kB (M) 3*64kB (UM) 2*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18168kB [ 1715.367541][ T3879] 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 [ 1715.428240][ T3879] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1715.453651][ T3879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1715.470626][ T3879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1715.480197][ T3879] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1715.500283][ T3879] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1715.512251][ T3879] 4813 total pagecache pages [ 1715.526977][ T3879] 0 pages in swap cache [ 1715.531533][ T3879] Swap cache stats: add 0, delete 0, find 0/0 [ 1715.557389][ T3879] Free swap = 0kB [ 1715.561864][ T3879] Total swap = 0kB [ 1715.577934][ T3879] 1965979 pages RAM [ 1715.581952][ T3879] 0 pages HighMem/MovableOnly [ 1715.586732][ T3879] 349901 pages reserved [ 1715.590913][ T3879] 0 pages cma reserved [ 1715.601566][ T3879] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=17553,uid=0 [ 1715.624910][ T3879] Out of memory: Killed process 17553 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1715.655895][ T1151] oom_reaper: reaped process 17553 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1715.785015][T17579] syz-executor.3(17579): getblk(): executed=c8 bh_count=1 bh_state=19 bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1715.921597][ T6811] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1715.956673][ T6811] CPU: 1 PID: 6811 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1715.966174][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1715.976229][ T6811] Call Trace: [ 1715.979540][ T6811] dump_stack+0x18f/0x20d [ 1715.983887][ T6811] dump_header+0x106/0x60f [ 1715.988309][ T6811] oom_kill_process.cold+0x10/0x15 [ 1715.993423][ T6811] out_of_memory+0x326/0x1340 [ 1715.998117][ T6811] ? oom_killer_disable+0x270/0x270 [ 1716.003344][ T6811] ? mutex_trylock+0x246/0x2c0 [ 1716.008112][ T6811] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1716.014804][ T6811] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1716.021423][ T6811] ? warn_alloc+0x120/0x120 [ 1716.025929][ T6811] ? fs_reclaim_release+0x94/0xf0 [ 1716.030962][ T6811] ? lock_is_held_type+0xb0/0xe0 [ 1716.035903][ T6811] ? find_get_entry+0x3b2/0x8a0 [ 1716.040769][ T6811] __alloc_pages_nodemask+0x5a3/0x700 [ 1716.046151][ T6811] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1716.052939][ T6811] ? page_cache_readahead_unbounded+0x572/0x850 [ 1716.059191][ T6811] ? __lock_page_or_retry+0x650/0x650 [ 1716.064559][ T6811] alloc_pages_current+0x187/0x280 [ 1716.069684][ T6811] __page_cache_alloc+0x31e/0x450 [ 1716.074700][ T6811] pagecache_get_page+0x2a6/0xf70 [ 1716.079717][ T6811] ? __do_page_cache_readahead+0xc2/0xf0 [ 1716.085341][ T6811] filemap_fault+0x1a94/0x2ab0 [ 1716.091068][ T6811] ext4_filemap_fault+0x87/0xb6 [ 1716.095921][ T6811] __do_fault+0x10d/0x4d0 [ 1716.100242][ T6811] handle_mm_fault+0x37a3/0x43f0 [ 1716.105177][ T6811] ? apply_to_existing_page_range+0x40/0x40 [ 1716.111069][ T6811] do_user_addr_fault+0x5a2/0xd00 [ 1716.116075][ T6811] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1716.121612][ T6811] exc_page_fault+0xab/0x170 [ 1716.126188][ T6811] ? asm_exc_page_fault+0x8/0x30 [ 1716.131114][ T6811] asm_exc_page_fault+0x1e/0x30 [ 1716.135944][ T6811] RIP: 0033:0x460c23 [ 1716.139829][ T6811] Code: Bad RIP value. [ 1716.143872][ T6811] RSP: 002b:000000c00003f6a0 EFLAGS: 00010202 [ 1716.149928][ T6811] RAX: ffffffffffffff92 RBX: 00000000312f1f92 RCX: 0000000000460c23 [ 1716.157904][ T6811] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000001703ac0 [ 1716.165863][ T6811] RBP: 000000c00003f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1716.173817][ T6811] R10: 000000c00003f6d8 R11: 0000000000000202 R12: 0000018908be93a7 [ 1716.181773][ T6811] R13: 0000000000000001 R14: 0000018908be93a7 R15: 0000000000000000 [ 1716.239177][ T6811] Mem-Info: [ 1716.242341][ T6811] active_anon:216083 inactive_anon:4132 isolated_anon:0 [ 1716.242341][ T6811] active_file:179 inactive_file:204 isolated_file:56 [ 1716.242341][ T6811] unevictable:0 dirty:421 writeback:0 [ 1716.242341][ T6811] slab_reclaimable:14668 slab_unreclaimable:97927 [ 1716.242341][ T6811] mapped:53381 shmem:4360 pagetables:10218 bounce:0 [ 1716.242341][ T6811] free:13667 free_pcp:0 free_cma:0 [ 1716.287649][ T6811] Node 0 active_anon:864176kB inactive_anon:16524kB active_file:992kB inactive_file:820kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 716800kB writeback_tmp:0kB kernel_stack:19808kB all_unreclaimable? no [ 1716.320906][ T6811] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1716.385927][ T6811] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1716.414663][ T6811] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1716.420399][ T6811] Node 0 DMA32 free:17512kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:860080kB inactive_anon:16524kB active_file:724kB inactive_file:764kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:40784kB bounce:0kB free_pcp:448kB local_pcp:224kB free_cma:0kB [ 1716.458524][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1716.464614][ T6811] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1716.492806][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1716.516333][ T6811] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:24kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1716.545895][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1716.550594][ T6811] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1716.573335][ T6811] Node 0 DMA32: 2063*4kB (UME) 621*8kB (UME) 146*16kB (UME) 39*32kB (UM) 3*64kB (UM) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17508kB [ 1716.589897][ T6811] 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 [ 1716.601397][ T6811] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1716.621567][ T6811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1716.631421][ T6811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1716.642158][ T6811] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1716.690665][ T6811] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1716.713257][ T6811] 4808 total pagecache pages [ 1716.717924][ T6811] 0 pages in swap cache [ 1716.722079][ T6811] Swap cache stats: add 0, delete 0, find 0/0 [ 1716.770237][ T6811] Free swap = 0kB [ 1716.775062][ T6811] Total swap = 0kB [ 1716.778784][ T6811] 1965979 pages RAM [ 1716.784000][ T6811] 0 pages HighMem/MovableOnly [ 1716.788685][ T6811] 349901 pages reserved [ 1716.792857][ T6811] 0 pages cma reserved [ 1716.810875][ T6811] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=17545,uid=0 [ 1716.831498][ T6811] Out of memory: Killed process 17545 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1716.849794][ T1151] oom_reaper: reaped process 17545 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1716.895329][ T7146] syz-executor.3 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1716.943371][ T7146] CPU: 1 PID: 7146 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1716.953199][ T7146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1716.963261][ T7146] Call Trace: [ 1716.966565][ T7146] dump_stack+0x18f/0x20d [ 1716.970901][ T7146] dump_header+0x106/0x60f [ 1716.975323][ T7146] oom_kill_process.cold+0x10/0x15 [ 1716.980440][ T7146] out_of_memory+0x326/0x1340 [ 1716.985128][ T7146] ? oom_killer_disable+0x270/0x270 [ 1716.990334][ T7146] ? mutex_trylock+0x246/0x2c0 [ 1716.995092][ T7146] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1717.001769][ T7146] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1717.008381][ T7146] ? warn_alloc+0x120/0x120 [ 1717.012898][ T7146] ? fs_reclaim_release+0x94/0xf0 [ 1717.018023][ T7146] ? lock_is_held_type+0xb0/0xe0 [ 1717.022966][ T7146] ? find_get_entry+0x3b2/0x8a0 [ 1717.027860][ T7146] __alloc_pages_nodemask+0x5a3/0x700 [ 1717.033234][ T7146] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1717.040966][ T7146] ? page_cache_readahead_unbounded+0x572/0x850 [ 1717.047199][ T7146] ? __lock_page_or_retry+0x650/0x650 [ 1717.052562][ T7146] alloc_pages_current+0x187/0x280 [ 1717.057662][ T7146] __page_cache_alloc+0x31e/0x450 [ 1717.062728][ T7146] pagecache_get_page+0x2a6/0xf70 [ 1717.067748][ T7146] ? __do_page_cache_readahead+0xc2/0xf0 [ 1717.073395][ T7146] filemap_fault+0x1a94/0x2ab0 [ 1717.078862][ T7146] ext4_filemap_fault+0x87/0xb6 [ 1717.083701][ T7146] __do_fault+0x10d/0x4d0 [ 1717.088018][ T7146] handle_mm_fault+0x37a3/0x43f0 [ 1717.092956][ T7146] ? apply_to_existing_page_range+0x40/0x40 [ 1717.107006][ T7146] ? vmacache_update+0xce/0x140 [ 1717.111849][ T7146] do_user_addr_fault+0x5a2/0xd00 [ 1717.116898][ T7146] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1717.122440][ T7146] exc_page_fault+0xab/0x170 [ 1717.127024][ T7146] ? asm_exc_page_fault+0x8/0x30 [ 1717.131953][ T7146] asm_exc_page_fault+0x1e/0x30 [ 1717.136807][ T7146] RIP: 0033:0x45b030 [ 1717.140681][ T7146] Code: Bad RIP value. [ 1717.144741][ T7146] RSP: 002b:00007ffdbb88d318 EFLAGS: 00010246 [ 1717.150787][ T7146] RAX: 0000000000000000 RBX: 000000000018f234 RCX: 000000000045b030 [ 1717.158745][ T7146] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffdbb88d320 [ 1717.166743][ T7146] RBP: 00000000000007ef R08: 0000000000000001 R09: 000000000224b940 [ 1717.174701][ T7146] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 1717.183619][ T7146] R13: 00007ffdbb88d370 R14: 000000000018f0c8 R15: 00007ffdbb88d380 [ 1717.197535][ T7146] Mem-Info: [ 1717.200696][ T7146] active_anon:215540 inactive_anon:4132 isolated_anon:0 [ 1717.200696][ T7146] active_file:234 inactive_file:166 isolated_file:32 [ 1717.200696][ T7146] unevictable:0 dirty:421 writeback:0 [ 1717.200696][ T7146] slab_reclaimable:14668 slab_unreclaimable:97304 [ 1717.200696][ T7146] mapped:53381 shmem:4360 pagetables:10192 bounce:0 [ 1717.200696][ T7146] free:13685 free_pcp:128 free_cma:0 [ 1717.238135][ T7146] Node 0 active_anon:862004kB inactive_anon:16524kB active_file:920kB inactive_file:828kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 714752kB writeback_tmp:0kB kernel_stack:19776kB all_unreclaimable? no [ 1717.268210][ T7146] Node 1 active_anon:156kB inactive_anon:4kB active_file:12kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1717.295779][ T7146] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1717.381967][ T7146] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1717.387978][ T7146] Node 0 DMA32 free:17956kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:857888kB inactive_anon:16524kB active_file:592kB inactive_file:360kB unevictable:0kB writepending:1704kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:40576kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB [ 1717.418709][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1717.423495][ T7146] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1717.451033][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1717.456727][ T7146] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1717.551430][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1717.556207][ T7146] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1717.570749][ T7146] Node 0 DMA32: 2081*4kB (ME) 626*8kB (ME) 145*16kB (ME) 40*32kB (UM) 4*64kB (UM) 2*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17700kB [ 1717.586156][ T7146] 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 [ 1717.597697][ T7146] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1717.616540][ T7146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1717.628639][ T7146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1717.638001][ T7146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1717.647657][ T7146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1717.665257][ T7146] 4809 total pagecache pages [ 1717.669898][ T7146] 0 pages in swap cache [ 1717.676600][ T7146] Swap cache stats: add 0, delete 0, find 0/0 [ 1717.682678][ T7146] Free swap = 0kB [ 1717.686661][ T7146] Total swap = 0kB [ 1717.690484][ T7146] 1965979 pages RAM [ 1717.694334][ T7146] 0 pages HighMem/MovableOnly [ 1717.699013][ T7146] 349901 pages reserved [ 1717.703268][ T7146] 0 pages cma reserved [ 1717.707370][ T7146] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=16923,uid=0 [ 1717.722013][ T7146] Out of memory: Killed process 16923 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1717.783368][T17563] syz-executor.3(17563): getblk(): executed=c9 bh_count=1 bh_state=19 bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1717.976699][T27201] syz-executor.4 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 1718.014002][T27201] CPU: 1 PID: 27201 Comm: syz-executor.4 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1718.023919][T27201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1718.033986][T27201] Call Trace: [ 1718.037294][T27201] dump_stack+0x18f/0x20d [ 1718.041640][T27201] dump_header+0x106/0x60f [ 1718.046069][T27201] oom_kill_process.cold+0x10/0x15 [ 1718.051189][T27201] out_of_memory+0x326/0x1340 [ 1718.055887][T27201] ? oom_killer_disable+0x270/0x270 [ 1718.061100][T27201] ? mutex_trylock+0x246/0x2c0 [ 1718.065875][T27201] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1718.072567][T27201] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1718.079189][T27201] ? warn_alloc+0x120/0x120 [ 1718.083695][T27201] ? fs_reclaim_release+0x94/0xf0 [ 1718.088708][T27201] ? lock_is_held_type+0xb0/0xe0 [ 1718.093645][T27201] ? find_get_entry+0x3b2/0x8a0 [ 1718.098518][T27201] __alloc_pages_nodemask+0x5a3/0x700 [ 1718.103913][T27201] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1718.110694][T27201] ? page_cache_readahead_unbounded+0x572/0x850 [ 1718.116960][T27201] ? __lock_page_or_retry+0x650/0x650 [ 1718.122351][T27201] alloc_pages_current+0x187/0x280 [ 1718.127481][T27201] __page_cache_alloc+0x31e/0x450 [ 1718.132533][T27201] pagecache_get_page+0x2a6/0xf70 [ 1718.137586][T27201] ? __do_page_cache_readahead+0xc2/0xf0 [ 1718.143235][T27201] filemap_fault+0x1a94/0x2ab0 [ 1718.148022][T27201] ext4_filemap_fault+0x87/0xb6 [ 1718.152908][T27201] __do_fault+0x10d/0x4d0 [ 1718.157278][T27201] handle_mm_fault+0x37a3/0x43f0 [ 1718.162239][T27201] ? apply_to_existing_page_range+0x40/0x40 [ 1718.168147][T27201] do_user_addr_fault+0x5a2/0xd00 [ 1718.173205][T27201] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1718.178792][T27201] exc_page_fault+0xab/0x170 [ 1718.183402][T27201] ? asm_exc_page_fault+0x8/0x30 [ 1718.188350][T27201] asm_exc_page_fault+0x1e/0x30 [ 1718.193210][T27201] RIP: 0033:0x43b560 [ 1718.197098][T27201] Code: Bad RIP value. [ 1718.201163][T27201] RSP: 002b:00007ffee9a46cf8 EFLAGS: 00010246 [ 1718.207233][T27201] RAX: 00000000004fb4e0 RBX: 0000000000000000 RCX: 0000000000021e40 [ 1718.215211][T27201] RDX: 0000000000000007 RSI: 00000000004c2527 RDI: 00000000004cb72f [ 1718.223182][T27201] RBP: 0000000000790000 R08: 0000000000000000 R09: 0000000000000004 [ 1718.231154][T27201] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000790008 [ 1718.239128][T27201] R13: 00007ffee9a46ef0 R14: 0000000000000879 R15: 00007ffee9a46f00 [ 1718.309325][T27201] Mem-Info: [ 1718.313159][T27201] active_anon:215001 inactive_anon:4132 isolated_anon:0 [ 1718.313159][T27201] active_file:156 inactive_file:265 isolated_file:0 [ 1718.313159][T27201] unevictable:0 dirty:423 writeback:0 [ 1718.313159][T27201] slab_reclaimable:14668 slab_unreclaimable:97325 [ 1718.313159][T27201] mapped:53381 shmem:4360 pagetables:10166 bounce:0 [ 1718.313159][T27201] free:13720 free_pcp:57 free_cma:0 [ 1718.438722][T27201] Node 0 active_anon:859848kB inactive_anon:16524kB active_file:888kB inactive_file:920kB unevictable:0kB isolated(anon):0kB isolated(file):108kB mapped:213524kB dirty:1692kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 712704kB writeback_tmp:0kB kernel_stack:19744kB all_unreclaimable? no [ 1718.468819][T27201] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1718.503614][T27201] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1718.541254][T27201] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1718.577458][T27201] Node 0 DMA32 free:17740kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:855732kB inactive_anon:16524kB active_file:940kB inactive_file:856kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:40472kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1718.645042][T27201] lowmem_reserve[]: 0 0 0 0 0 [ 1718.650041][T27201] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1718.693307][T27201] lowmem_reserve[]: 0 0 0 0 0 [ 1718.703332][T27201] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1718.762151][T27201] lowmem_reserve[]: 0 0 0 0 0 [ 1718.766955][T27201] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1718.793648][T27201] Node 0 DMA32: 2088*4kB (ME) 634*8kB (ME) 145*16kB (ME) 39*32kB (UM) 3*64kB (UM) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17568kB [ 1718.818090][T27201] 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 [ 1718.877192][T27201] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1718.909856][T27201] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1718.939421][T27201] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1718.948870][T27201] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1718.958624][T27201] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1718.967996][T27201] 4802 total pagecache pages [ 1718.972591][T27201] 0 pages in swap cache [ 1719.010550][T27201] Swap cache stats: add 0, delete 0, find 0/0 [ 1719.022855][T27201] Free swap = 0kB [ 1719.031714][T27201] Total swap = 0kB [ 1719.035850][T27201] 1965979 pages RAM [ 1719.039945][T27201] 0 pages HighMem/MovableOnly [ 1719.045793][T27201] 349901 pages reserved [ 1719.049962][T27201] 0 pages cma reserved [ 1719.056845][T27201] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=16918,uid=0 [ 1719.071539][T27201] Out of memory: Killed process 16918 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1719.116526][ T6797] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1719.155513][ T6797] CPU: 1 PID: 6797 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1719.164996][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1719.175064][ T6797] Call Trace: [ 1719.178406][ T6797] dump_stack+0x18f/0x20d [ 1719.182739][ T6797] dump_header+0x106/0x60f [ 1719.187146][ T6797] oom_kill_process.cold+0x10/0x15 [ 1719.192238][ T6797] out_of_memory+0x326/0x1340 [ 1719.196916][ T6797] ? oom_killer_disable+0x270/0x270 [ 1719.202115][ T6797] ? mutex_trylock+0x246/0x2c0 [ 1719.206882][ T6797] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1719.213576][ T6797] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1719.220187][ T6797] ? warn_alloc+0x120/0x120 [ 1719.224697][ T6797] ? fs_reclaim_release+0x94/0xf0 [ 1719.229746][ T6797] ? lock_is_held_type+0xb0/0xe0 [ 1719.234694][ T6797] ? find_get_entry+0x3b2/0x8a0 [ 1719.239571][ T6797] __alloc_pages_nodemask+0x5a3/0x700 [ 1719.244967][ T6797] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1719.251750][ T6797] ? page_cache_readahead_unbounded+0x572/0x850 [ 1719.258003][ T6797] ? __lock_page_or_retry+0x650/0x650 [ 1719.263393][ T6797] alloc_pages_current+0x187/0x280 [ 1719.268522][ T6797] __page_cache_alloc+0x31e/0x450 [ 1719.273563][ T6797] pagecache_get_page+0x2a6/0xf70 [ 1719.278609][ T6797] ? __do_page_cache_readahead+0xc2/0xf0 [ 1719.284255][ T6797] filemap_fault+0x1a94/0x2ab0 [ 1719.289568][ T6797] ext4_filemap_fault+0x87/0xb6 [ 1719.294422][ T6797] __do_fault+0x10d/0x4d0 [ 1719.298762][ T6797] handle_mm_fault+0x37a3/0x43f0 [ 1719.303714][ T6797] ? apply_to_existing_page_range+0x40/0x40 [ 1719.309624][ T6797] ? vmacache_update+0xce/0x140 [ 1719.314492][ T6797] do_user_addr_fault+0x5a2/0xd00 [ 1719.319532][ T6797] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1719.325089][ T6797] exc_page_fault+0xab/0x170 [ 1719.329684][ T6797] ? asm_exc_page_fault+0x8/0x30 [ 1719.334627][ T6797] asm_exc_page_fault+0x1e/0x30 [ 1719.339479][ T6797] RIP: 0033:0x437d60 [ 1719.343366][ T6797] Code: Bad RIP value. [ 1719.347427][ T6797] RSP: 002b:000000c000040728 EFLAGS: 00010206 [ 1719.353580][ T6797] RAX: 0000000000000000 RBX: 000000c000042380 RCX: 0000017cc53fb603 [ 1719.361558][ T6797] RDX: 0000000017a93a1a RSI: 0000000000000663 RDI: 00007ffebc9ed080 [ 1719.369539][ T6797] RBP: 000000c000040750 R08: 0000000000000000 R09: 00007ffebc9ed090 [ 1719.377625][ T6797] R10: 000000000004eea4 R11: 0000000000000202 R12: 00000189b172fbd3 [ 1719.385612][ T6797] R13: 0000000000000001 R14: 00000189b172fbd3 R15: 0000000000000000 [ 1719.423048][ T6797] Mem-Info: [ 1719.433317][ T6797] active_anon:214462 inactive_anon:4132 isolated_anon:0 [ 1719.433317][ T6797] active_file:225 inactive_file:153 isolated_file:75 [ 1719.433317][ T6797] unevictable:0 dirty:421 writeback:0 [ 1719.433317][ T6797] slab_reclaimable:14667 slab_unreclaimable:97361 [ 1719.433317][ T6797] mapped:53381 shmem:4360 pagetables:10140 bounce:0 [ 1719.433317][ T6797] free:13994 free_pcp:107 free_cma:0 [ 1719.518687][ T6797] Node 0 active_anon:857692kB inactive_anon:16524kB active_file:1788kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 710656kB writeback_tmp:0kB kernel_stack:19680kB all_unreclaimable? no [ 1719.579695][ T6797] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1719.608197][ T6797] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1719.637025][ T6797] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1719.642807][ T6797] Node 0 DMA32 free:17892kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:853576kB inactive_anon:16524kB active_file:672kB inactive_file:800kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:40368kB bounce:0kB free_pcp:500kB local_pcp:252kB free_cma:0kB [ 1719.688661][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1719.694491][ T6797] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1719.762549][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1719.773740][ T6797] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1719.817980][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1719.822902][ T6797] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1719.875466][ T6797] Node 0 DMA32: 2101*4kB (ME) 641*8kB (UME) 149*16kB (UME) 40*32kB (UME) 3*64kB (UM) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17644kB [ 1719.898237][ T6797] 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 [ 1719.911183][ T6797] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1719.949811][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1719.962520][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1719.981793][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1720.020509][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1720.030032][ T6797] 4808 total pagecache pages [ 1720.034685][ T6797] 0 pages in swap cache [ 1720.038876][ T6797] Swap cache stats: add 0, delete 0, find 0/0 [ 1720.045021][ T6797] Free swap = 0kB [ 1720.048741][ T6797] Total swap = 0kB [ 1720.052581][ T6797] 1965979 pages RAM [ 1720.059025][ T6797] 0 pages HighMem/MovableOnly [ 1720.063811][ T6797] 349901 pages reserved [ 1720.067968][ T6797] 0 pages cma reserved [ 1720.072074][ T6797] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=16913,uid=0 [ 1720.096534][ T6797] Out of memory: Killed process 16913 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1720.181739][ T6968] syz-executor.1 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1720.240663][ T6968] CPU: 0 PID: 6968 Comm: syz-executor.1 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1720.250504][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1720.260587][ T6968] Call Trace: [ 1720.263896][ T6968] dump_stack+0x18f/0x20d [ 1720.268245][ T6968] dump_header+0x106/0x60f [ 1720.272677][ T6968] oom_kill_process.cold+0x10/0x15 [ 1720.277805][ T6968] out_of_memory+0x326/0x1340 [ 1720.282500][ T6968] ? oom_killer_disable+0x270/0x270 [ 1720.287717][ T6968] ? mutex_trylock+0x246/0x2c0 [ 1720.292487][ T6968] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1720.299185][ T6968] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1720.305815][ T6968] ? warn_alloc+0x120/0x120 [ 1720.310327][ T6968] ? fs_reclaim_release+0x94/0xf0 [ 1720.315386][ T6968] ? lock_is_held_type+0xb0/0xe0 [ 1720.320332][ T6968] ? find_get_entry+0x3b2/0x8a0 [ 1720.325213][ T6968] __alloc_pages_nodemask+0x5a3/0x700 [ 1720.330624][ T6968] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1720.337418][ T6968] ? page_cache_readahead_unbounded+0x572/0x850 [ 1720.343688][ T6968] ? __lock_page_or_retry+0x650/0x650 [ 1720.349053][ T6968] alloc_pages_current+0x187/0x280 [ 1720.354158][ T6968] __page_cache_alloc+0x31e/0x450 [ 1720.359194][ T6968] pagecache_get_page+0x2a6/0xf70 [ 1720.364209][ T6968] ? __do_page_cache_readahead+0xc2/0xf0 [ 1720.369830][ T6968] filemap_fault+0x1a94/0x2ab0 [ 1720.374595][ T6968] ext4_filemap_fault+0x87/0xb6 [ 1720.379437][ T6968] __do_fault+0x10d/0x4d0 [ 1720.383781][ T6968] handle_mm_fault+0x37a3/0x43f0 [ 1720.388735][ T6968] ? apply_to_existing_page_range+0x40/0x40 [ 1720.394647][ T6968] ? vmacache_update+0xce/0x140 [ 1720.399510][ T6968] do_user_addr_fault+0x5a2/0xd00 [ 1720.404529][ T6968] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1720.410064][ T6968] exc_page_fault+0xab/0x170 [ 1720.414660][ T6968] ? asm_exc_page_fault+0x8/0x30 [ 1720.419580][ T6968] asm_exc_page_fault+0x1e/0x30 [ 1720.424412][ T6968] RIP: 0033:0x4169ca [ 1720.428289][ T6968] Code: Bad RIP value. [ 1720.436693][ T6968] RSP: 002b:00007ffea7909038 EFLAGS: 00010246 [ 1720.442745][ T6968] RAX: 0000000000000505 RBX: 0000000000fed940 RCX: 00000000004169ca [ 1720.450703][ T6968] RDX: 0000000040000000 RSI: 00007ffea7909070 RDI: ffffffffffffffff [ 1720.458671][ T6968] RBP: 00000000000007b9 R08: 0000000000000001 R09: 0000000000000001 [ 1720.466630][ T6968] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1720.474586][ T6968] R13: 00007ffea7909070 R14: 0000000000fed99b R15: 00007ffea7909080 [ 1720.560876][ T6968] Mem-Info: [ 1720.573985][ T6968] active_anon:213915 inactive_anon:4132 isolated_anon:0 [ 1720.573985][ T6968] active_file:218 inactive_file:207 isolated_file:32 [ 1720.573985][ T6968] unevictable:0 dirty:421 writeback:0 [ 1720.573985][ T6968] slab_reclaimable:14667 slab_unreclaimable:97031 [ 1720.573985][ T6968] mapped:53381 shmem:4360 pagetables:10088 bounce:0 [ 1720.573985][ T6968] free:13609 free_pcp:122 free_cma:0 [ 1720.646862][ T6968] Node 0 active_anon:855504kB inactive_anon:16524kB active_file:1076kB inactive_file:740kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 706560kB writeback_tmp:0kB kernel_stack:19584kB all_unreclaimable? no [ 1720.677353][ T6968] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1720.705117][ T6968] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1720.735261][ T6968] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1720.741026][ T6968] Node 0 DMA32 free:17280kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:851408kB inactive_anon:16524kB active_file:1196kB inactive_file:688kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:40264kB bounce:0kB free_pcp:472kB local_pcp:232kB free_cma:0kB [ 1720.775613][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1720.780324][ T6968] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1720.852580][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1720.857373][ T6968] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1720.899711][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1720.907803][ T6968] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1720.928949][ T6968] Node 0 DMA32: 2054*4kB (UME) 623*8kB (ME) 148*16kB (UME) 41*32kB (UME) 3*64kB (UM) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17200kB [ 1720.955362][ T6968] 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 [ 1720.980801][ T6968] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1720.998193][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1721.008078][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1721.028378][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1721.047203][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1721.068751][ T6968] 4814 total pagecache pages [ 1721.073465][ T6968] 0 pages in swap cache [ 1721.077623][ T6968] Swap cache stats: add 0, delete 0, find 0/0 [ 1721.093174][ T6968] Free swap = 0kB [ 1721.098522][ T6968] Total swap = 0kB [ 1721.102253][ T6968] 1965979 pages RAM [ 1721.113297][ T6968] 0 pages HighMem/MovableOnly [ 1721.118001][ T6968] 349901 pages reserved [ 1721.122181][ T6968] 0 pages cma reserved [ 1721.174854][ T6968] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=16861,uid=0 [ 1721.194535][ T6968] Out of memory: Killed process 16861 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1721.260630][ T4427] systemd-timesyn invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1721.304236][ T4427] CPU: 1 PID: 4427 Comm: systemd-timesyn Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1721.314153][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1721.324212][ T4427] Call Trace: [ 1721.327515][ T4427] dump_stack+0x18f/0x20d [ 1721.331927][ T4427] dump_header+0x106/0x60f [ 1721.336327][ T4427] oom_kill_process.cold+0x10/0x15 [ 1721.341425][ T4427] out_of_memory+0x326/0x1340 [ 1721.346089][ T4427] ? oom_killer_disable+0x270/0x270 [ 1721.351300][ T4427] ? mutex_trylock+0x246/0x2c0 [ 1721.356044][ T4427] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1721.362715][ T4427] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1721.369295][ T4427] ? warn_alloc+0x120/0x120 [ 1721.373802][ T4427] ? fs_reclaim_release+0x94/0xf0 [ 1721.378823][ T4427] ? lock_is_held_type+0xb0/0xe0 [ 1721.383744][ T4427] ? find_get_entry+0x3b2/0x8a0 [ 1721.388588][ T4427] __alloc_pages_nodemask+0x5a3/0x700 [ 1721.393951][ T4427] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1721.400717][ T4427] ? page_cache_readahead_unbounded+0x572/0x850 [ 1721.406962][ T4427] ? __lock_page_or_retry+0x650/0x650 [ 1721.412317][ T4427] alloc_pages_current+0x187/0x280 [ 1721.417431][ T4427] __page_cache_alloc+0x31e/0x450 [ 1721.422443][ T4427] pagecache_get_page+0x2a6/0xf70 [ 1721.427458][ T4427] ? __do_page_cache_readahead+0xc2/0xf0 [ 1721.433095][ T4427] filemap_fault+0x1a94/0x2ab0 [ 1721.437848][ T4427] ext4_filemap_fault+0x87/0xb6 [ 1721.442856][ T4427] __do_fault+0x10d/0x4d0 [ 1721.447186][ T4427] handle_mm_fault+0x37a3/0x43f0 [ 1721.452112][ T4427] ? apply_to_existing_page_range+0x40/0x40 [ 1721.458025][ T4427] do_user_addr_fault+0x5a2/0xd00 [ 1721.463058][ T4427] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1721.468601][ T4427] exc_page_fault+0xab/0x170 [ 1721.473182][ T4427] ? asm_exc_page_fault+0x8/0x30 [ 1721.478126][ T4427] asm_exc_page_fault+0x1e/0x30 [ 1721.482976][ T4427] RIP: 0033:0x7f9e5fba5303 [ 1721.487368][ T4427] Code: Bad RIP value. [ 1721.491412][ T4427] RSP: 002b:00007fff51298500 EFLAGS: 00010293 [ 1721.497459][ T4427] RAX: 0000000000000001 RBX: 00005652ca80f8f0 RCX: 00007f9e5fba5303 [ 1721.505433][ T4427] RDX: 0000000000000006 RSI: 00007fff51298510 RDI: 0000000000000004 [ 1721.513402][ T4427] RBP: 00007fff51298660 R08: 0000000000000000 R09: 000000000000000d [ 1721.521455][ T4427] R10: 00000000ffffffff R11: 0000000000000293 R12: 00007fff51298510 [ 1721.529448][ T4427] R13: 0000000000000001 R14: ffffffffffffffff R15: 0000000000000000 [ 1721.666656][ T4427] Mem-Info: [ 1721.669827][ T4427] active_anon:213375 inactive_anon:4132 isolated_anon:0 [ 1721.669827][ T4427] active_file:283 inactive_file:185 isolated_file:0 [ 1721.669827][ T4427] unevictable:0 dirty:423 writeback:0 [ 1721.669827][ T4427] slab_reclaimable:14667 slab_unreclaimable:96895 [ 1721.669827][ T4427] mapped:53381 shmem:4360 pagetables:10062 bounce:0 [ 1721.669827][ T4427] free:13680 free_pcp:72 free_cma:0 [ 1721.754198][ T4427] Node 0 active_anon:853344kB inactive_anon:16524kB active_file:856kB inactive_file:752kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1692kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 704512kB writeback_tmp:0kB kernel_stack:19584kB all_unreclaimable? no [ 1721.823128][ T4427] Node 1 active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1721.881089][ T4427] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1721.909016][ T4427] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1721.914811][ T4427] Node 0 DMA32 free:17564kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:849248kB inactive_anon:16524kB active_file:1104kB inactive_file:308kB unevictable:0kB writepending:1692kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:40160kB bounce:0kB free_pcp:240kB local_pcp:0kB free_cma:0kB [ 1721.958388][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1721.965893][ T4427] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1721.999521][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1722.010501][ T4427] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1722.040282][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1722.045038][ T4427] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1722.059606][ T4427] Node 0 DMA32: 2069*4kB (ME) 626*8kB (ME) 115*16kB (ME) 29*32kB (ME) 1*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 17524kB [ 1722.076806][ T4427] 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 [ 1722.088352][ T4427] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1722.105435][ T4427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1722.115486][ T4427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1722.147965][ T4427] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1722.157713][ T4427] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1722.167236][ T4427] 4814 total pagecache pages [ 1722.171829][ T4427] 0 pages in swap cache [ 1722.176215][ T4427] Swap cache stats: add 0, delete 0, find 0/0 [ 1722.182347][ T4427] Free swap = 0kB [ 1722.187536][ T4427] Total swap = 0kB [ 1722.191326][ T4427] 1965979 pages RAM [ 1722.195372][ T4427] 0 pages HighMem/MovableOnly [ 1722.200099][ T4427] 349901 pages reserved [ 1722.204321][ T4427] 0 pages cma reserved [ 1722.208394][ T4427] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=16855,uid=0 [ 1722.222876][ T4427] Out of memory: Killed process 16855 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1722.384049][ T4427] systemd-timesyn invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1722.395333][ T4427] CPU: 1 PID: 4427 Comm: systemd-timesyn Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1722.405242][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1722.415308][ T4427] Call Trace: [ 1722.418603][ T4427] dump_stack+0x18f/0x20d [ 1722.422957][ T4427] dump_header+0x106/0x60f [ 1722.427364][ T4427] oom_kill_process.cold+0x10/0x15 [ 1722.432463][ T4427] out_of_memory+0x326/0x1340 [ 1722.437130][ T4427] ? oom_killer_disable+0x270/0x270 [ 1722.442316][ T4427] ? mutex_trylock+0x246/0x2c0 [ 1722.447082][ T4427] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1722.453748][ T4427] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1722.460340][ T4427] ? warn_alloc+0x120/0x120 [ 1722.464830][ T4427] ? fs_reclaim_release+0x94/0xf0 [ 1722.469838][ T4427] ? lock_is_held_type+0xb0/0xe0 [ 1722.474779][ T4427] ? find_get_entry+0x3b2/0x8a0 [ 1722.479630][ T4427] __alloc_pages_nodemask+0x5a3/0x700 [ 1722.484991][ T4427] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1722.491746][ T4427] ? page_cache_readahead_unbounded+0x572/0x850 [ 1722.497994][ T4427] ? __lock_page_or_retry+0x650/0x650 [ 1722.503350][ T4427] alloc_pages_current+0x187/0x280 [ 1722.508449][ T4427] __page_cache_alloc+0x31e/0x450 [ 1722.513457][ T4427] pagecache_get_page+0x2a6/0xf70 [ 1722.518463][ T4427] ? __do_page_cache_readahead+0xc2/0xf0 [ 1722.524096][ T4427] filemap_fault+0x1a94/0x2ab0 [ 1722.528861][ T4427] ext4_filemap_fault+0x87/0xb6 [ 1722.533692][ T4427] __do_fault+0x10d/0x4d0 [ 1722.538004][ T4427] handle_mm_fault+0x37a3/0x43f0 [ 1722.542927][ T4427] ? apply_to_existing_page_range+0x40/0x40 [ 1722.548824][ T4427] do_user_addr_fault+0x5a2/0xd00 [ 1722.553840][ T4427] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1722.559373][ T4427] exc_page_fault+0xab/0x170 [ 1722.563949][ T4427] ? asm_exc_page_fault+0x8/0x30 [ 1722.568882][ T4427] asm_exc_page_fault+0x1e/0x30 [ 1722.573728][ T4427] RIP: 0033:0x7f9e5fba5303 [ 1722.578119][ T4427] Code: Bad RIP value. [ 1722.582173][ T4427] RSP: 002b:00007fff51298500 EFLAGS: 00010293 [ 1722.589174][ T4427] RAX: 0000000000000001 RBX: 00005652ca80f8f0 RCX: 00007f9e5fba5303 [ 1722.597133][ T4427] RDX: 0000000000000006 RSI: 00007fff51298510 RDI: 0000000000000004 [ 1722.605103][ T4427] RBP: 00007fff51298660 R08: 0000000000000000 R09: 000000000000000d [ 1722.613084][ T4427] R10: 00000000ffffffff R11: 0000000000000293 R12: 00007fff51298510 [ 1722.621053][ T4427] R13: 0000000000000001 R14: ffffffffffffffff R15: 0000000000000000 [ 1722.647675][ T4427] Mem-Info: [ 1722.650837][ T4427] active_anon:212835 inactive_anon:4132 isolated_anon:0 [ 1722.650837][ T4427] active_file:194 inactive_file:220 isolated_file:32 [ 1722.650837][ T4427] unevictable:0 dirty:421 writeback:0 [ 1722.650837][ T4427] slab_reclaimable:14666 slab_unreclaimable:96917 [ 1722.650837][ T4427] mapped:53381 shmem:4360 pagetables:10036 bounce:0 [ 1722.650837][ T4427] free:13741 free_pcp:143 free_cma:0 [ 1722.749077][ T4427] Node 0 active_anon:851184kB inactive_anon:16524kB active_file:1024kB inactive_file:812kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 702464kB writeback_tmp:0kB kernel_stack:19488kB all_unreclaimable? yes [ 1722.791930][ T4427] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1722.823653][ T4427] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1722.881172][ T4427] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1722.897672][ T4427] Node 0 DMA32 free:17808kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:847088kB inactive_anon:16524kB active_file:1312kB inactive_file:1176kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:40056kB bounce:0kB free_pcp:468kB local_pcp:240kB free_cma:0kB [ 1722.955698][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1722.960655][ T4427] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1723.017811][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1723.022748][ T4427] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1723.093011][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1723.097856][ T4427] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1723.112722][ T4427] Node 0 DMA32: 2074*4kB (ME) 630*8kB (ME) 118*16kB (UME) 30*32kB (UME) 2*64kB (UM) 0*128kB 0*256kB 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 17848kB [ 1723.136040][ T4427] 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 [ 1723.151067][ T4427] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1723.168231][ T4427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1723.217537][ T4427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1723.231902][ T4427] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1723.254221][ T4427] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1723.272324][ T4427] 4811 total pagecache pages [ 1723.278855][ T4427] 0 pages in swap cache [ 1723.288532][ T4427] Swap cache stats: add 0, delete 0, find 0/0 [ 1723.303879][ T4427] Free swap = 0kB [ 1723.307901][ T4427] Total swap = 0kB [ 1723.311873][ T4427] 1965979 pages RAM [ 1723.330044][ T4427] 0 pages HighMem/MovableOnly [ 1723.334807][ T4427] 349901 pages reserved [ 1723.338957][ T4427] 0 pages cma reserved [ 1723.343018][ T4427] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=16842,uid=0 [ 1723.389048][ T4427] Out of memory: Killed process 16842 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1723.440128][ T7000] syz-executor.2 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1723.464642][ T7000] CPU: 0 PID: 7000 Comm: syz-executor.2 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1723.474459][ T7000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1723.484510][ T7000] Call Trace: [ 1723.487807][ T7000] dump_stack+0x18f/0x20d [ 1723.492163][ T7000] dump_header+0x106/0x60f [ 1723.496582][ T7000] oom_kill_process.cold+0x10/0x15 [ 1723.501697][ T7000] out_of_memory+0x326/0x1340 [ 1723.516645][ T7000] ? oom_killer_disable+0x270/0x270 [ 1723.521855][ T7000] ? mutex_trylock+0x246/0x2c0 [ 1723.526623][ T7000] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1723.533325][ T7000] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1723.539934][ T7000] ? warn_alloc+0x120/0x120 [ 1723.544439][ T7000] ? fs_reclaim_release+0x94/0xf0 [ 1723.549473][ T7000] ? lock_is_held_type+0xb0/0xe0 [ 1723.554414][ T7000] ? find_get_entry+0x3b2/0x8a0 [ 1723.559300][ T7000] __alloc_pages_nodemask+0x5a3/0x700 [ 1723.564682][ T7000] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1723.571557][ T7000] ? page_cache_readahead_unbounded+0x572/0x850 [ 1723.577806][ T7000] ? __lock_page_or_retry+0x650/0x650 [ 1723.583186][ T7000] alloc_pages_current+0x187/0x280 [ 1723.588315][ T7000] __page_cache_alloc+0x31e/0x450 [ 1723.593352][ T7000] pagecache_get_page+0x2a6/0xf70 [ 1723.598391][ T7000] ? __do_page_cache_readahead+0xc2/0xf0 [ 1723.604047][ T7000] filemap_fault+0x1a94/0x2ab0 [ 1723.609527][ T7000] ext4_filemap_fault+0x87/0xb6 [ 1723.614393][ T7000] __do_fault+0x10d/0x4d0 [ 1723.618734][ T7000] handle_mm_fault+0x37a3/0x43f0 [ 1723.623687][ T7000] ? apply_to_existing_page_range+0x40/0x40 [ 1723.629609][ T7000] ? vmacache_update+0xce/0x140 [ 1723.634480][ T7000] do_user_addr_fault+0x5a2/0xd00 [ 1723.639529][ T7000] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1723.645085][ T7000] exc_page_fault+0xab/0x170 [ 1723.649685][ T7000] ? asm_exc_page_fault+0x8/0x30 [ 1723.654633][ T7000] asm_exc_page_fault+0x1e/0x30 [ 1723.659500][ T7000] RIP: 0033:0x45b030 [ 1723.663386][ T7000] Code: Bad RIP value. [ 1723.667460][ T7000] RSP: 002b:00007ffcc0f82318 EFLAGS: 00010246 [ 1723.673532][ T7000] RAX: 0000000000000000 RBX: 000000000018f0d6 RCX: 000000000045b030 [ 1723.681508][ T7000] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffcc0f82320 [ 1723.689482][ T7000] RBP: 0000000000000b48 R08: 0000000000000001 R09: 0000000001cb9940 [ 1723.697460][ T7000] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1723.705439][ T7000] R13: 00007ffcc0f82370 R14: 000000000018f0d6 R15: 00007ffcc0f82380 [ 1723.750848][ T7000] Mem-Info: [ 1723.754305][ T7000] active_anon:212295 inactive_anon:4132 isolated_anon:0 [ 1723.754305][ T7000] active_file:259 inactive_file:181 isolated_file:0 [ 1723.754305][ T7000] unevictable:0 dirty:421 writeback:0 [ 1723.754305][ T7000] slab_reclaimable:14666 slab_unreclaimable:96969 [ 1723.754305][ T7000] mapped:53381 shmem:4360 pagetables:10010 bounce:0 [ 1723.754305][ T7000] free:13772 free_pcp:120 free_cma:0 [ 1723.828951][ T7000] Node 0 active_anon:849024kB inactive_anon:16524kB active_file:896kB inactive_file:840kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 700416kB writeback_tmp:0kB kernel_stack:19488kB all_unreclaimable? yes [ 1723.864618][ T7000] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1723.901288][ T7000] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1723.959682][ T7000] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1723.968176][ T7000] Node 0 DMA32 free:17932kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:844928kB inactive_anon:16524kB active_file:1368kB inactive_file:624kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:39952kB bounce:0kB free_pcp:472kB local_pcp:224kB free_cma:0kB [ 1724.026644][ T7000] lowmem_reserve[]: 0 0 0 0 0 [ 1724.031347][ T7000] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1724.061763][ T7000] lowmem_reserve[]: 0 0 0 0 0 [ 1724.083303][ T7000] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1724.140535][ T7000] lowmem_reserve[]: 0 0 0 0 0 [ 1724.147892][ T7000] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1724.176690][ T7000] Node 0 DMA32: 2082*4kB (ME) 636*8kB (UME) 117*16kB (ME) 29*32kB (ME) 2*64kB (UM) 0*128kB 0*256kB 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 17880kB [ 1724.205181][ T7000] 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 [ 1724.224873][ T7000] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1724.260458][ T7000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1724.277650][ T7000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1724.289697][ T7000] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1724.317576][ T7000] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1724.327126][ T7000] 4811 total pagecache pages [ 1724.331826][ T7000] 0 pages in swap cache [ 1724.336040][ T7000] Swap cache stats: add 0, delete 0, find 0/0 [ 1724.342178][ T7000] Free swap = 0kB [ 1724.346115][ T7000] Total swap = 0kB [ 1724.349848][ T7000] 1965979 pages RAM [ 1724.353772][ T7000] 0 pages HighMem/MovableOnly [ 1724.358453][ T7000] 349901 pages reserved [ 1724.368732][ T7000] 0 pages cma reserved [ 1724.372838][ T7000] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=16815,uid=0 [ 1724.406605][ T7000] Out of memory: Killed process 16815 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1724.453724][ T1151] oom_reaper: reaped process 16815 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1724.520742][ T7146] syz-executor.3 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1724.548079][ T7146] CPU: 1 PID: 7146 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1724.557912][ T7146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1724.567999][ T7146] Call Trace: [ 1724.571308][ T7146] dump_stack+0x18f/0x20d [ 1724.575651][ T7146] dump_header+0x106/0x60f [ 1724.580083][ T7146] oom_kill_process.cold+0x10/0x15 [ 1724.585216][ T7146] out_of_memory+0x326/0x1340 [ 1724.589932][ T7146] ? oom_killer_disable+0x270/0x270 [ 1724.595148][ T7146] ? mutex_trylock+0x246/0x2c0 [ 1724.599927][ T7146] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1724.606625][ T7146] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1724.613251][ T7146] ? warn_alloc+0x120/0x120 [ 1724.617762][ T7146] ? fs_reclaim_release+0x94/0xf0 [ 1724.622819][ T7146] ? lock_is_held_type+0xb0/0xe0 [ 1724.628118][ T7146] ? find_get_entry+0x3b2/0x8a0 [ 1724.632993][ T7146] __alloc_pages_nodemask+0x5a3/0x700 [ 1724.638417][ T7146] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1724.645212][ T7146] ? page_cache_readahead_unbounded+0x572/0x850 [ 1724.651464][ T7146] ? __lock_page_or_retry+0x650/0x650 [ 1724.656856][ T7146] alloc_pages_current+0x187/0x280 [ 1724.661975][ T7146] __page_cache_alloc+0x31e/0x450 [ 1724.667021][ T7146] pagecache_get_page+0x2a6/0xf70 [ 1724.672094][ T7146] ? __do_page_cache_readahead+0xc2/0xf0 [ 1724.677728][ T7146] filemap_fault+0x1a94/0x2ab0 [ 1724.682502][ T7146] ext4_filemap_fault+0x87/0xb6 [ 1724.687361][ T7146] __do_fault+0x10d/0x4d0 [ 1724.691696][ T7146] handle_mm_fault+0x37a3/0x43f0 [ 1724.696647][ T7146] ? apply_to_existing_page_range+0x40/0x40 [ 1724.702574][ T7146] ? vmacache_update+0xce/0x140 [ 1724.707438][ T7146] do_user_addr_fault+0x5a2/0xd00 [ 1724.712464][ T7146] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1724.718014][ T7146] exc_page_fault+0xab/0x170 [ 1724.722621][ T7146] ? asm_exc_page_fault+0x8/0x30 [ 1724.727556][ T7146] asm_exc_page_fault+0x1e/0x30 [ 1724.732397][ T7146] RIP: 0033:0x45b030 [ 1724.736385][ T7146] Code: Bad RIP value. [ 1724.740562][ T7146] RSP: 002b:00007ffdbb88d318 EFLAGS: 00010246 [ 1724.747487][ T7146] RAX: 0000000000000000 RBX: 000000000018f234 RCX: 000000000045b030 [ 1724.755449][ T7146] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffdbb88d320 [ 1724.763435][ T7146] RBP: 00000000000007ef R08: 0000000000000001 R09: 000000000224b940 [ 1724.771412][ T7146] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 1724.779635][ T7146] R13: 00007ffdbb88d370 R14: 000000000018f0c8 R15: 00007ffdbb88d380 [ 1724.815731][ T7146] Mem-Info: [ 1724.818915][ T7146] active_anon:211756 inactive_anon:4132 isolated_anon:0 [ 1724.818915][ T7146] active_file:150 inactive_file:283 isolated_file:0 [ 1724.818915][ T7146] unevictable:0 dirty:421 writeback:0 [ 1724.818915][ T7146] slab_reclaimable:14666 slab_unreclaimable:97033 [ 1724.818915][ T7146] mapped:53381 shmem:4360 pagetables:9984 bounce:0 [ 1724.818915][ T7146] free:13820 free_pcp:66 free_cma:0 [ 1724.855670][ T7146] Node 0 active_anon:846868kB inactive_anon:16524kB active_file:992kB inactive_file:792kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 698368kB writeback_tmp:0kB kernel_stack:19488kB all_unreclaimable? no [ 1724.893261][ T7146] Node 1 active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1724.923707][ T7146] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1724.953609][ T7146] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1724.959406][ T7146] Node 0 DMA32 free:17676kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:842772kB inactive_anon:16524kB active_file:1168kB inactive_file:568kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:39848kB bounce:0kB free_pcp:460kB local_pcp:232kB free_cma:0kB [ 1725.033630][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1725.038370][ T7146] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1725.067240][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1725.072022][ T7146] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1725.117086][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1725.122065][ T7146] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1725.175772][ T7146] Node 0 DMA32: 2086*4kB (ME) 640*8kB (UME) 117*16kB (ME) 30*32kB (UME) 2*64kB (UM) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 17832kB [ 1725.212515][ T7146] 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 [ 1725.243315][ T7146] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1725.325238][ T7146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1725.345286][ T7146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1725.365893][ T7146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1725.380299][ T7146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1725.399946][ T7146] 4811 total pagecache pages [ 1725.404677][ T7146] 0 pages in swap cache [ 1725.408906][ T7146] Swap cache stats: add 0, delete 0, find 0/0 [ 1725.415082][ T7146] Free swap = 0kB [ 1725.418809][ T7146] Total swap = 0kB [ 1725.422536][ T7146] 1965979 pages RAM [ 1725.443600][ T7146] 0 pages HighMem/MovableOnly [ 1725.448297][ T7146] 349901 pages reserved [ 1725.452460][ T7146] 0 pages cma reserved [ 1725.472432][ T7146] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=16807,uid=0 [ 1725.490064][ T7146] Out of memory: Killed process 16807 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1725.788568][ T6811] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1725.802752][ T6811] CPU: 0 PID: 6811 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1725.812238][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1725.822289][ T6811] Call Trace: [ 1725.825590][ T6811] dump_stack+0x18f/0x20d [ 1725.829943][ T6811] dump_header+0x106/0x60f [ 1725.834372][ T6811] oom_kill_process.cold+0x10/0x15 [ 1725.839518][ T6811] out_of_memory+0x326/0x1340 [ 1725.844215][ T6811] ? oom_killer_disable+0x270/0x270 [ 1725.849437][ T6811] ? mutex_trylock+0x246/0x2c0 [ 1725.854217][ T6811] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1725.860916][ T6811] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1725.867546][ T6811] ? warn_alloc+0x120/0x120 [ 1725.872079][ T6811] ? fs_reclaim_release+0x94/0xf0 [ 1725.877128][ T6811] ? lock_is_held_type+0xb0/0xe0 [ 1725.882080][ T6811] ? find_get_entry+0x3b2/0x8a0 [ 1725.886960][ T6811] __alloc_pages_nodemask+0x5a3/0x700 [ 1725.892364][ T6811] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1725.899148][ T6811] ? page_cache_readahead_unbounded+0x572/0x850 [ 1725.905410][ T6811] ? __lock_page_or_retry+0x650/0x650 [ 1725.910806][ T6811] alloc_pages_current+0x187/0x280 [ 1725.915942][ T6811] __page_cache_alloc+0x31e/0x450 [ 1725.921257][ T6811] pagecache_get_page+0x2a6/0xf70 [ 1725.926304][ T6811] ? __do_page_cache_readahead+0xc2/0xf0 [ 1725.931973][ T6811] filemap_fault+0x1a94/0x2ab0 [ 1725.936766][ T6811] ext4_filemap_fault+0x87/0xb6 [ 1725.941632][ T6811] __do_fault+0x10d/0x4d0 [ 1725.946010][ T6811] handle_mm_fault+0x37a3/0x43f0 [ 1725.950978][ T6811] ? apply_to_existing_page_range+0x40/0x40 [ 1725.956929][ T6811] do_user_addr_fault+0x5a2/0xd00 [ 1725.961974][ T6811] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1725.967544][ T6811] exc_page_fault+0xab/0x170 [ 1725.972141][ T6811] ? asm_exc_page_fault+0x8/0x30 [ 1725.977092][ T6811] asm_exc_page_fault+0x1e/0x30 [ 1725.981968][ T6811] RIP: 0033:0x460c23 [ 1725.985859][ T6811] Code: Bad RIP value. [ 1725.989905][ T6811] RSP: 002b:000000c00003f6a0 EFLAGS: 00010202 [ 1725.995964][ T6811] RAX: ffffffffffffff92 RBX: 00000000312f1f92 RCX: 0000000000460c23 [ 1726.003953][ T6811] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000001703ac0 [ 1726.011963][ T6811] RBP: 000000c00003f6e8 R08: 0000000000000000 R09: 0000000000000000 [ 1726.019947][ T6811] R10: 000000c00003f6d8 R11: 0000000000000202 R12: 0000018908be93a7 [ 1726.027935][ T6811] R13: 0000000000000001 R14: 0000018908be93a7 R15: 0000000000000000 [ 1726.058092][ T6811] Mem-Info: [ 1726.061266][ T6811] active_anon:211219 inactive_anon:4132 isolated_anon:0 [ 1726.061266][ T6811] active_file:139 inactive_file:276 isolated_file:50 [ 1726.061266][ T6811] unevictable:0 dirty:421 writeback:0 [ 1726.061266][ T6811] slab_reclaimable:14666 slab_unreclaimable:96762 [ 1726.061266][ T6811] mapped:53381 shmem:4360 pagetables:9984 bounce:0 [ 1726.061266][ T6811] free:13706 free_pcp:0 free_cma:0 [ 1726.098063][ T6811] Node 0 active_anon:844720kB inactive_anon:16524kB active_file:588kB inactive_file:1000kB unevictable:0kB isolated(anon):0kB isolated(file):216kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 698368kB writeback_tmp:0kB kernel_stack:19392kB all_unreclaimable? no [ 1726.128033][ T6811] Node 1 active_anon:156kB inactive_anon:4kB active_file:20kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1726.156683][ T6811] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1726.192856][ T6811] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1726.198701][ T6811] Node 0 DMA32 free:17668kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:840624kB inactive_anon:16524kB active_file:804kB inactive_file:1060kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:39848kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1726.229103][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1726.233872][ T6811] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1726.260692][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1726.266838][ T6811] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:20kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1726.296154][ T6811] lowmem_reserve[]: 0 0 0 0 0 [ 1726.301057][ T6811] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1726.322019][ T6811] Node 0 DMA32: 2115*4kB (UME) 646*8kB (UME) 125*16kB (UME) 31*32kB (UME) 2*64kB (UM) 0*128kB 1*256kB (U) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 18028kB [ 1726.338809][ T6811] 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 [ 1726.350990][ T6811] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1726.368078][ T6811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1726.379287][ T6811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1726.388843][ T6811] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1726.398469][ T6811] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1726.407793][ T6811] 4811 total pagecache pages [ 1726.412383][ T6811] 0 pages in swap cache [ 1726.416583][ T6811] Swap cache stats: add 0, delete 0, find 0/0 [ 1726.422645][ T6811] Free swap = 0kB [ 1726.426531][ T6811] Total swap = 0kB [ 1726.430271][ T6811] 1965979 pages RAM [ 1726.446163][ T6811] 0 pages HighMem/MovableOnly [ 1726.451056][ T6811] 349901 pages reserved [ 1726.455254][ T6811] 0 pages cma reserved [ 1726.460288][ T6811] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=16792,uid=0 [ 1726.475144][ T6811] Out of memory: Killed process 16792 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1726.532887][ T6796] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1726.558431][ T6796] CPU: 1 PID: 6796 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1726.567920][ T6796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1726.577983][ T6796] Call Trace: [ 1726.581302][ T6796] dump_stack+0x18f/0x20d [ 1726.585650][ T6796] dump_header+0x106/0x60f [ 1726.590083][ T6796] oom_kill_process.cold+0x10/0x15 [ 1726.595207][ T6796] out_of_memory+0x326/0x1340 [ 1726.599901][ T6796] ? oom_killer_disable+0x270/0x270 [ 1726.605110][ T6796] ? mutex_trylock+0x246/0x2c0 [ 1726.610580][ T6796] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1726.617276][ T6796] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1726.623914][ T6796] ? warn_alloc+0x120/0x120 [ 1726.628430][ T6796] ? fs_reclaim_release+0x94/0xf0 [ 1726.633472][ T6796] ? lock_is_held_type+0xb0/0xe0 [ 1726.638452][ T6796] ? find_get_entry+0x3b2/0x8a0 [ 1726.643329][ T6796] __alloc_pages_nodemask+0x5a3/0x700 [ 1726.648723][ T6796] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1726.655500][ T6796] ? page_cache_readahead_unbounded+0x572/0x850 [ 1726.661753][ T6796] ? __lock_page_or_retry+0x650/0x650 [ 1726.667138][ T6796] alloc_pages_current+0x187/0x280 [ 1726.672958][ T6796] __page_cache_alloc+0x31e/0x450 [ 1726.677996][ T6796] pagecache_get_page+0x2a6/0xf70 [ 1726.683038][ T6796] ? __do_page_cache_readahead+0xc2/0xf0 [ 1726.688685][ T6796] filemap_fault+0x1a94/0x2ab0 [ 1726.693467][ T6796] ext4_filemap_fault+0x87/0xb6 [ 1726.698321][ T6796] __do_fault+0x10d/0x4d0 [ 1726.702648][ T6796] handle_mm_fault+0x37a3/0x43f0 [ 1726.707581][ T6796] ? apply_to_existing_page_range+0x40/0x40 [ 1726.713473][ T6796] do_user_addr_fault+0x5a2/0xd00 [ 1726.718500][ T6796] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1726.724041][ T6796] exc_page_fault+0xab/0x170 [ 1726.728635][ T6796] ? asm_exc_page_fault+0x8/0x30 [ 1726.733575][ T6796] asm_exc_page_fault+0x1e/0x30 [ 1726.738596][ T6796] RIP: 0033:0x460c23 [ 1726.742469][ T6796] Code: Bad RIP value. [ 1726.746535][ T6796] RSP: 002b:000000c000051e98 EFLAGS: 00010246 [ 1726.752602][ T6796] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 0000000000460c23 [ 1726.760562][ T6796] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000016ff9f0 [ 1726.768535][ T6796] RBP: 000000c000051ee0 R08: 0000000000000000 R09: 0000000000000000 [ 1726.776494][ T6796] R10: 000000c000051ed0 R11: 0000000000000246 R12: 00000000004338c0 [ 1726.784474][ T6796] R13: 0000000000000000 R14: 0000000000adca10 R15: 0000000000000000 [ 1726.804641][ T6796] Mem-Info: [ 1726.807844][ T6796] active_anon:210680 inactive_anon:4132 isolated_anon:0 [ 1726.807844][ T6796] active_file:221 inactive_file:160 isolated_file:32 [ 1726.807844][ T6796] unevictable:0 dirty:421 writeback:0 [ 1726.807844][ T6796] slab_reclaimable:14666 slab_unreclaimable:96875 [ 1726.807844][ T6796] mapped:53381 shmem:4360 pagetables:9933 bounce:0 [ 1726.807844][ T6796] free:13603 free_pcp:131 free_cma:0 [ 1726.844885][ T6796] Node 0 active_anon:842564kB inactive_anon:16524kB active_file:980kB inactive_file:724kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 696320kB writeback_tmp:0kB kernel_stack:19392kB all_unreclaimable? yes [ 1726.874946][ T6796] Node 1 active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1726.902214][ T6796] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1726.931237][ T6796] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1726.937975][ T6796] Node 0 DMA32 free:17256kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:838468kB inactive_anon:16524kB active_file:996kB inactive_file:512kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:39644kB bounce:0kB free_pcp:508kB local_pcp:284kB free_cma:0kB [ 1726.976533][ T6796] lowmem_reserve[]: 0 0 0 0 0 [ 1726.981367][ T6796] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1727.008149][ T6796] lowmem_reserve[]: 0 0 0 0 0 [ 1727.012850][ T6796] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1727.056231][ T6796] lowmem_reserve[]: 0 0 0 0 0 [ 1727.061092][ T6796] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1727.108750][ T6796] Node 0 DMA32: 2104*4kB (UME) 651*8kB (UME) 121*16kB (UME) 33*32kB (UME) 3*64kB (UM) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17704kB [ 1727.142891][ T6796] 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 [ 1727.164437][ T6796] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1727.190075][ T6796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1727.245880][ T6796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1727.265486][ T6796] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1727.295331][ T6796] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1727.314518][ T6796] 4801 total pagecache pages [ 1727.319129][ T6796] 0 pages in swap cache [ 1727.331874][ T6796] Swap cache stats: add 0, delete 0, find 0/0 [ 1727.353476][ T6796] Free swap = 0kB [ 1727.357229][ T6796] Total swap = 0kB [ 1727.360951][ T6796] 1965979 pages RAM [ 1727.377490][ T6796] 0 pages HighMem/MovableOnly [ 1727.382325][ T6796] 349901 pages reserved [ 1727.389703][ T6796] 0 pages cma reserved [ 1727.394959][ T6796] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=16775,uid=0 [ 1727.409431][ T6796] Out of memory: Killed process 16775 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1727.427144][ T1151] oom_reaper: reaped process 16775 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1727.460938][ T7146] syz-executor.3 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1727.507343][ T7146] CPU: 1 PID: 7146 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1727.517524][ T7146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1727.527590][ T7146] Call Trace: [ 1727.530900][ T7146] dump_stack+0x18f/0x20d [ 1727.535248][ T7146] dump_header+0x106/0x60f [ 1727.539685][ T7146] oom_kill_process.cold+0x10/0x15 [ 1727.544814][ T7146] out_of_memory+0x326/0x1340 [ 1727.549511][ T7146] ? oom_killer_disable+0x270/0x270 [ 1727.554720][ T7146] ? mutex_trylock+0x246/0x2c0 [ 1727.559501][ T7146] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1727.566916][ T7146] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1727.573541][ T7146] ? warn_alloc+0x120/0x120 [ 1727.578063][ T7146] ? fs_reclaim_release+0x94/0xf0 [ 1727.583100][ T7146] ? lock_is_held_type+0xb0/0xe0 [ 1727.588047][ T7146] ? find_get_entry+0x3b2/0x8a0 [ 1727.592921][ T7146] __alloc_pages_nodemask+0x5a3/0x700 [ 1727.598301][ T7146] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1727.605075][ T7146] ? page_cache_readahead_unbounded+0x572/0x850 [ 1727.611328][ T7146] ? __lock_page_or_retry+0x650/0x650 [ 1727.616693][ T7146] alloc_pages_current+0x187/0x280 [ 1727.621822][ T7146] __page_cache_alloc+0x31e/0x450 [ 1727.626885][ T7146] pagecache_get_page+0x2a6/0xf70 [ 1727.632904][ T7146] ? __do_page_cache_readahead+0xc2/0xf0 [ 1727.638572][ T7146] filemap_fault+0x1a94/0x2ab0 [ 1727.643363][ T7146] ext4_filemap_fault+0x87/0xb6 [ 1727.648216][ T7146] __do_fault+0x10d/0x4d0 [ 1727.652533][ T7146] handle_mm_fault+0x37a3/0x43f0 [ 1727.657462][ T7146] ? apply_to_existing_page_range+0x40/0x40 [ 1727.663437][ T7146] ? vmacache_update+0xce/0x140 [ 1727.668285][ T7146] do_user_addr_fault+0x5a2/0xd00 [ 1727.673360][ T7146] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1727.678909][ T7146] exc_page_fault+0xab/0x170 [ 1727.683495][ T7146] ? asm_exc_page_fault+0x8/0x30 [ 1727.688437][ T7146] asm_exc_page_fault+0x1e/0x30 [ 1727.693300][ T7146] RIP: 0033:0x45b030 [ 1727.697177][ T7146] Code: Bad RIP value. [ 1727.701231][ T7146] RSP: 002b:00007ffdbb88d318 EFLAGS: 00010246 [ 1727.707290][ T7146] RAX: 0000000000000000 RBX: 000000000018f234 RCX: 000000000045b030 [ 1727.715241][ T7146] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffdbb88d320 [ 1727.723208][ T7146] RBP: 00000000000007ef R08: 0000000000000001 R09: 000000000224b940 [ 1727.731177][ T7146] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 1727.739148][ T7146] R13: 00007ffdbb88d370 R14: 000000000018f0c8 R15: 00007ffdbb88d380 [ 1727.751233][ T7146] Mem-Info: [ 1727.760522][ T7146] active_anon:210141 inactive_anon:4132 isolated_anon:0 [ 1727.760522][ T7146] active_file:262 inactive_file:166 isolated_file:27 [ 1727.760522][ T7146] unevictable:0 dirty:421 writeback:0 [ 1727.760522][ T7146] slab_reclaimable:14666 slab_unreclaimable:96699 [ 1727.760522][ T7146] mapped:53381 shmem:4360 pagetables:9907 bounce:0 [ 1727.760522][ T7146] free:13668 free_pcp:104 free_cma:0 [ 1727.801120][ T7146] Node 0 active_anon:840408kB inactive_anon:16524kB active_file:964kB inactive_file:752kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 694272kB writeback_tmp:0kB kernel_stack:19360kB all_unreclaimable? no [ 1727.838854][ T7146] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1727.875144][ T7146] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1727.912250][ T7146] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1727.918382][ T7146] Node 0 DMA32 free:17516kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:836312kB inactive_anon:16524kB active_file:860kB inactive_file:1196kB unevictable:0kB writepending:1668kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:39540kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1727.961829][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1727.969398][ T7146] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1728.020379][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1728.028829][ T7146] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1728.065792][ T7146] lowmem_reserve[]: 0 0 0 0 0 [ 1728.070815][ T7146] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1728.092541][ T7146] Node 0 DMA32: 2164*4kB (UME) 660*8kB (UME) 119*16kB (UME) 30*32kB (UME) 2*64kB (UM) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 18336kB [ 1728.126473][ T7146] 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 [ 1728.142715][ T7146] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1728.185440][ T7146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1728.195429][ T7146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1728.205220][ T7146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1728.214916][ T7146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1728.225041][ T7146] 4783 total pagecache pages [ 1728.229661][ T7146] 0 pages in swap cache [ 1728.233974][ T7146] Swap cache stats: add 0, delete 0, find 0/0 [ 1728.240072][ T7146] Free swap = 0kB [ 1728.243957][ T7146] Total swap = 0kB [ 1728.247925][ T7146] 1965979 pages RAM [ 1728.251731][ T7146] 0 pages HighMem/MovableOnly [ 1728.256517][ T7146] 349901 pages reserved [ 1728.260669][ T7146] 0 pages cma reserved [ 1728.265665][ T7146] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=16769,uid=0 [ 1728.280120][ T7146] Out of memory: Killed process 16769 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1728.310825][ T1151] oom_reaper: reaped process 16769 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1728.347962][T27197] syz-executor.2 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 1728.359405][T27197] CPU: 0 PID: 27197 Comm: syz-executor.2 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1728.369360][T27197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1728.379446][T27197] Call Trace: [ 1728.382740][T27197] dump_stack+0x18f/0x20d [ 1728.387074][T27197] dump_header+0x106/0x60f [ 1728.392375][T27197] oom_kill_process.cold+0x10/0x15 [ 1728.397512][T27197] out_of_memory+0x326/0x1340 [ 1728.402203][T27197] ? oom_killer_disable+0x270/0x270 [ 1728.407410][T27197] ? mutex_trylock+0x246/0x2c0 [ 1728.412186][T27197] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1728.418872][T27197] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1728.425490][T27197] ? warn_alloc+0x120/0x120 [ 1728.430025][T27197] ? fs_reclaim_release+0x94/0xf0 [ 1728.435075][T27197] ? lock_is_held_type+0xb0/0xe0 [ 1728.440025][T27197] ? find_get_entry+0x3b2/0x8a0 [ 1728.444900][T27197] __alloc_pages_nodemask+0x5a3/0x700 [ 1728.450291][T27197] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1728.457158][T27197] ? page_cache_readahead_unbounded+0x572/0x850 [ 1728.464369][T27197] ? __lock_page_or_retry+0x650/0x650 [ 1728.469752][T27197] alloc_pages_current+0x187/0x280 [ 1728.474896][T27197] __page_cache_alloc+0x31e/0x450 [ 1728.479937][T27197] pagecache_get_page+0x2a6/0xf70 [ 1728.484980][T27197] ? __do_page_cache_readahead+0xc2/0xf0 [ 1728.490628][T27197] filemap_fault+0x1a94/0x2ab0 [ 1728.495413][T27197] ext4_filemap_fault+0x87/0xb6 [ 1728.500298][T27197] __do_fault+0x10d/0x4d0 [ 1728.504640][T27197] handle_mm_fault+0x37a3/0x43f0 [ 1728.509601][T27197] ? apply_to_existing_page_range+0x40/0x40 [ 1728.515524][T27197] do_user_addr_fault+0x5a2/0xd00 [ 1728.520569][T27197] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1728.526157][T27197] exc_page_fault+0xab/0x170 [ 1728.530761][T27197] ? asm_exc_page_fault+0x8/0x30 [ 1728.535706][T27197] asm_exc_page_fault+0x1e/0x30 [ 1728.540559][T27197] RIP: 0033:0x43b560 [ 1728.544447][T27197] Code: Bad RIP value. [ 1728.548597][T27197] RSP: 002b:00007ffcc0f82178 EFLAGS: 00010246 [ 1728.554661][T27197] RAX: 00000000004fb4e0 RBX: 0000000000000000 RCX: 0000000000021e40 [ 1728.562632][T27197] RDX: 0000000000000007 RSI: 00000000004c2527 RDI: 00000000004cb72f [ 1728.570611][T27197] RBP: 0000000000790000 R08: 0000000000000000 R09: 0000000000000004 [ 1728.578592][T27197] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000790008 [ 1728.586572][T27197] R13: 00007ffcc0f82370 R14: 0000000000000879 R15: 00007ffcc0f82380 [ 1728.619332][T27197] Mem-Info: [ 1728.622499][T27197] active_anon:209598 inactive_anon:4132 isolated_anon:0 [ 1728.622499][T27197] active_file:239 inactive_file:220 isolated_file:0 [ 1728.622499][T27197] unevictable:0 dirty:425 writeback:0 [ 1728.622499][T27197] slab_reclaimable:14666 slab_unreclaimable:96925 [ 1728.622499][T27197] mapped:53381 shmem:4360 pagetables:9906 bounce:0 [ 1728.622499][T27197] free:13695 free_pcp:67 free_cma:0 [ 1728.701230][T27197] Node 0 active_anon:838236kB inactive_anon:16524kB active_file:940kB inactive_file:840kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1700kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 692224kB writeback_tmp:0kB kernel_stack:19296kB all_unreclaimable? no [ 1728.762054][T27197] Node 1 active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1728.800570][T27197] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1728.834247][T27197] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1728.840004][T27197] Node 0 DMA32 free:18128kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:834140kB inactive_anon:16524kB active_file:1108kB inactive_file:1032kB unevictable:0kB writepending:1700kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:39536kB bounce:0kB free_pcp:228kB local_pcp:228kB free_cma:0kB [ 1728.907446][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1728.912422][T27197] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1728.957263][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1728.962575][T27197] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1729.018891][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1729.027529][T27197] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1729.051057][T27197] Node 0 DMA32: 2123*4kB (ME) 656*8kB (ME) 120*16kB (UME) 30*32kB (UME) 2*64kB (UM) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17644kB [ 1729.067930][T27197] 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 [ 1729.081255][T27197] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1729.098669][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1729.109141][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1729.142033][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1729.151746][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1729.161195][T27197] 4800 total pagecache pages [ 1729.165852][T27197] 0 pages in swap cache [ 1729.170074][T27197] Swap cache stats: add 0, delete 0, find 0/0 [ 1729.176216][T27197] Free swap = 0kB [ 1729.179999][T27197] Total swap = 0kB [ 1729.183788][T27197] 1965979 pages RAM [ 1729.187592][T27197] 0 pages HighMem/MovableOnly [ 1729.192334][T27197] 349901 pages reserved [ 1729.196558][T27197] 0 pages cma reserved [ 1729.201508][T27197] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=16581,uid=0 [ 1729.224471][T27197] Out of memory: Killed process 16581 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1729.385857][ T3873] systemd-journal invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1729.398535][ T3873] CPU: 0 PID: 3873 Comm: systemd-journal Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1729.408437][ T3873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1729.418512][ T3873] Call Trace: [ 1729.421824][ T3873] dump_stack+0x18f/0x20d [ 1729.426177][ T3873] dump_header+0x106/0x60f [ 1729.430612][ T3873] oom_kill_process.cold+0x10/0x15 [ 1729.435737][ T3873] out_of_memory+0x326/0x1340 [ 1729.440432][ T3873] ? oom_killer_disable+0x270/0x270 [ 1729.445640][ T3873] ? mutex_trylock+0x246/0x2c0 [ 1729.450433][ T3873] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1729.457121][ T3873] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1729.463742][ T3873] ? warn_alloc+0x120/0x120 [ 1729.468254][ T3873] ? fs_reclaim_release+0x94/0xf0 [ 1729.473295][ T3873] ? lock_is_held_type+0xb0/0xe0 [ 1729.478243][ T3873] ? find_get_entry+0x3b2/0x8a0 [ 1729.483116][ T3873] __alloc_pages_nodemask+0x5a3/0x700 [ 1729.488520][ T3873] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1729.495325][ T3873] ? page_cache_readahead_unbounded+0x572/0x850 [ 1729.501605][ T3873] ? __lock_page_or_retry+0x650/0x650 [ 1729.507760][ T3873] alloc_pages_current+0x187/0x280 [ 1729.512891][ T3873] __page_cache_alloc+0x31e/0x450 [ 1729.517933][ T3873] pagecache_get_page+0x2a6/0xf70 [ 1729.522980][ T3873] ? __do_page_cache_readahead+0xc2/0xf0 [ 1729.528656][ T3873] filemap_fault+0x1a94/0x2ab0 [ 1729.533441][ T3873] ext4_filemap_fault+0x87/0xb6 [ 1729.538312][ T3873] __do_fault+0x10d/0x4d0 [ 1729.542654][ T3873] handle_mm_fault+0x37a3/0x43f0 [ 1729.547611][ T3873] ? apply_to_existing_page_range+0x40/0x40 [ 1729.553539][ T3873] do_user_addr_fault+0x5a2/0xd00 [ 1729.558579][ T3873] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1729.573960][ T3873] exc_page_fault+0xab/0x170 [ 1729.578569][ T3873] ? asm_exc_page_fault+0x8/0x30 [ 1729.583522][ T3873] asm_exc_page_fault+0x1e/0x30 [ 1729.588379][ T3873] RIP: 0033:0x7fb1de32f2e3 [ 1729.592816][ T3873] Code: Bad RIP value. [ 1729.603746][ T3873] RSP: 002b:00007ffe3d83c058 EFLAGS: 00010246 [ 1729.609815][ T3873] RAX: 0000000000000001 RBX: 000055ce75f621e0 RCX: 00007fb1de32f2e3 [ 1729.617790][ T3873] RDX: 0000000000000013 RSI: 00007ffe3d83c060 RDI: 0000000000000008 [ 1729.625768][ T3873] RBP: 00007ffe3d83c250 R08: 0000000000000000 R09: 00007ffe3d91e080 [ 1729.633744][ T3873] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3d83c060 [ 1729.641725][ T3873] R13: 0000000000000001 R14: ffffffffffffffff R15: 0005a9e6550b3dc4 [ 1729.674689][ T3873] Mem-Info: [ 1729.677847][ T3873] active_anon:209054 inactive_anon:4132 isolated_anon:0 [ 1729.677847][ T3873] active_file:187 inactive_file:200 isolated_file:32 [ 1729.677847][ T3873] unevictable:0 dirty:421 writeback:0 [ 1729.677847][ T3873] slab_reclaimable:14666 slab_unreclaimable:96875 [ 1729.677847][ T3873] mapped:53381 shmem:4360 pagetables:9854 bounce:0 [ 1729.677847][ T3873] free:13806 free_pcp:112 free_cma:0 [ 1729.714746][ T3873] Node 0 active_anon:836060kB inactive_anon:16524kB active_file:916kB inactive_file:748kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 688128kB writeback_tmp:0kB kernel_stack:19296kB all_unreclaimable? yes [ 1729.744523][ T3873] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1729.772945][ T3873] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1729.811600][ T3873] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1729.817507][ T3873] Node 0 DMA32 free:17560kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:831964kB inactive_anon:16524kB active_file:712kB inactive_file:1080kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:39328kB bounce:0kB free_pcp:444kB local_pcp:208kB free_cma:0kB [ 1729.849932][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1729.856215][ T3873] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1729.884419][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1729.889134][ T3873] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1729.919554][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1729.924390][ C0] aoe: skb alloc failure [ 1729.924431][ C0] aoe: skb alloc failure [ 1729.924469][ C0] aoe: skb alloc failure [ 1729.924516][ C0] aoe: skb alloc failure [ 1729.924554][ C0] aoe: skb alloc failure [ 1729.924591][ C0] aoe: skb alloc failure [ 1729.924628][ C0] aoe: skb alloc failure [ 1729.924664][ C0] aoe: skb alloc failure [ 1729.924702][ C0] aoe: skb alloc failure [ 1729.924739][ C0] aoe: skb alloc failure [ 1729.924785][ C0] aoe: skb alloc failure [ 1729.924822][ C0] aoe: skb alloc failure [ 1729.924858][ C0] aoe: skb alloc failure [ 1729.924895][ C0] aoe: skb alloc failure [ 1729.924932][ C0] aoe: skb alloc failure [ 1729.924968][ C0] aoe: skb alloc failure [ 1729.925003][ C0] aoe: skb alloc failure [ 1729.925039][ C0] aoe: skb alloc failure [ 1729.925072][ C0] aoe: skb alloc failure [ 1729.925108][ C0] aoe: skb alloc failure [ 1729.925150][ C0] aoe: skb alloc failure [ 1729.925187][ C0] aoe: skb alloc failure [ 1729.925230][ C0] aoe: skb alloc failure [ 1729.925263][ C0] aoe: skb alloc failure [ 1729.925299][ C0] aoe: skb alloc failure [ 1729.925336][ C0] aoe: skb alloc failure [ 1729.925373][ C0] aoe: skb alloc failure [ 1729.925408][ C0] aoe: skb alloc failure [ 1729.925443][ C0] aoe: skb alloc failure [ 1729.925489][ C0] aoe: skb alloc failure [ 1729.925524][ C0] aoe: skb alloc failure [ 1729.925561][ C0] aoe: skb alloc failure [ 1729.925597][ C0] aoe: skb alloc failure [ 1729.925633][ C0] aoe: skb alloc failure [ 1729.925675][ C0] aoe: skb alloc failure [ 1729.925712][ C0] aoe: skb alloc failure [ 1729.925749][ C0] aoe: skb alloc failure [ 1729.925785][ C0] aoe: skb alloc failure [ 1729.925822][ C0] aoe: skb alloc failure [ 1729.925859][ C0] aoe: skb alloc failure [ 1729.925895][ C0] aoe: skb alloc failure [ 1729.925931][ C0] aoe: skb alloc failure [ 1729.925968][ C0] aoe: skb alloc failure [ 1729.926003][ C0] aoe: skb alloc failure [ 1729.926039][ C0] aoe: skb alloc failure [ 1729.926076][ C0] aoe: skb alloc failure [ 1729.926119][ C0] aoe: skb alloc failure [ 1729.926155][ C0] aoe: skb alloc failure [ 1729.926191][ C0] aoe: skb alloc failure [ 1729.926228][ C0] aoe: skb alloc failure [ 1729.926264][ C0] aoe: skb alloc failure [ 1729.926300][ C0] aoe: skb alloc failure [ 1729.926336][ C0] aoe: skb alloc failure [ 1729.926372][ C0] aoe: skb alloc failure [ 1729.926408][ C0] aoe: skb alloc failure [ 1729.926444][ C0] aoe: skb alloc failure [ 1729.926489][ C0] aoe: skb alloc failure [ 1729.926526][ C0] aoe: skb alloc failure [ 1729.926570][ C0] aoe: skb alloc failure [ 1730.189833][ T3873] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1730.204345][ T3873] Node 0 DMA32: 2135*4kB (UME) 663*8kB (UME) 121*16kB (UME) 31*32kB (UME) 4*64kB (UM) 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17668kB [ 1730.220011][ T3873] 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 [ 1730.231538][ T3873] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1730.262341][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1730.272035][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1730.281863][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1730.291479][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1730.301638][ T3873] 4800 total pagecache pages [ 1730.308548][ T3873] 0 pages in swap cache [ 1730.312714][ T3873] Swap cache stats: add 0, delete 0, find 0/0 [ 1730.318833][ T3873] Free swap = 0kB [ 1730.322761][ T3873] Total swap = 0kB [ 1730.329600][ T3873] 1965979 pages RAM [ 1730.333467][ T3873] 0 pages HighMem/MovableOnly [ 1730.338173][ T3873] 349901 pages reserved [ 1730.342359][ T3873] 0 pages cma reserved [ 1730.348745][ T3873] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=16553,uid=0 [ 1730.363448][ T3873] Out of memory: Killed process 16553 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1730.542376][T27198] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1730.603396][T27198] CPU: 0 PID: 27198 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1730.613749][T27198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1730.624507][T27198] Call Trace: [ 1730.627813][T27198] dump_stack+0x18f/0x20d [ 1730.632166][T27198] dump_header+0x106/0x60f [ 1730.636600][T27198] oom_kill_process.cold+0x10/0x15 [ 1730.641727][T27198] out_of_memory+0x326/0x1340 [ 1730.646424][T27198] ? oom_killer_disable+0x270/0x270 [ 1730.651636][T27198] ? mutex_trylock+0x246/0x2c0 [ 1730.656418][T27198] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1730.663119][T27198] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1730.669752][T27198] ? warn_alloc+0x120/0x120 [ 1730.674284][T27198] ? fs_reclaim_release+0x94/0xf0 [ 1730.679332][T27198] ? lock_is_held_type+0xb0/0xe0 [ 1730.684289][T27198] ? find_get_entry+0x3b2/0x8a0 [ 1730.689170][T27198] __alloc_pages_nodemask+0x5a3/0x700 [ 1730.694577][T27198] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1730.702161][T27198] ? page_cache_readahead_unbounded+0x572/0x850 [ 1730.709035][T27198] ? __lock_page_or_retry+0x650/0x650 [ 1730.714428][T27198] alloc_pages_current+0x187/0x280 [ 1730.719562][T27198] __page_cache_alloc+0x31e/0x450 [ 1730.724616][T27198] pagecache_get_page+0x2a6/0xf70 [ 1730.729658][T27198] ? __do_page_cache_readahead+0xc2/0xf0 [ 1730.735327][T27198] filemap_fault+0x1a94/0x2ab0 [ 1730.740631][T27198] ext4_filemap_fault+0x87/0xb6 [ 1730.745493][T27198] __do_fault+0x10d/0x4d0 [ 1730.749867][T27198] handle_mm_fault+0x37a3/0x43f0 [ 1730.754826][T27198] ? apply_to_existing_page_range+0x40/0x40 [ 1730.760779][T27198] do_user_addr_fault+0x5a2/0xd00 [ 1730.765824][T27198] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1730.771387][T27198] exc_page_fault+0xab/0x170 [ 1730.776000][T27198] ? asm_exc_page_fault+0x8/0x30 [ 1730.780952][T27198] asm_exc_page_fault+0x1e/0x30 [ 1730.785810][T27198] RIP: 0033:0x45fffa [ 1730.789699][T27198] Code: Bad RIP value. [ 1730.793771][T27198] RSP: 002b:00007fff992867a8 EFLAGS: 00010246 [ 1730.799841][T27198] RAX: 00007fff99286800 RBX: 0000000000000000 RCX: 0000000000000040 [ 1730.807819][T27198] RDX: 0000000000000001 RSI: 0000000000000040 RDI: 00007fff99286940 [ 1730.815826][T27198] RBP: 0000000000000000 R08: 00000000004c25df R09: 00007fff992867e8 [ 1730.823808][T27198] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000000 [ 1730.831791][T27198] R13: 00007fff992868f0 R14: 0000000000000000 R15: 00007fff99286900 [ 1730.862591][T27198] Mem-Info: [ 1730.865809][T27198] active_anon:208515 inactive_anon:4132 isolated_anon:0 [ 1730.865809][T27198] active_file:200 inactive_file:217 isolated_file:0 [ 1730.865809][T27198] unevictable:0 dirty:421 writeback:0 [ 1730.865809][T27198] slab_reclaimable:14666 slab_unreclaimable:96768 [ 1730.865809][T27198] mapped:53381 shmem:4360 pagetables:9828 bounce:0 [ 1730.865809][T27198] free:13656 free_pcp:59 free_cma:0 [ 1730.937520][T27198] Node 0 active_anon:833904kB inactive_anon:16524kB active_file:1008kB inactive_file:792kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 686080kB writeback_tmp:0kB kernel_stack:19296kB all_unreclaimable? yes [ 1731.008667][T27198] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1731.035871][T27198] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1731.063834][T27198] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1731.069580][T27198] Node 0 DMA32 free:17468kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:829808kB inactive_anon:16524kB active_file:888kB inactive_file:868kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:39224kB bounce:0kB free_pcp:460kB local_pcp:228kB free_cma:0kB [ 1731.112599][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1731.142866][T27198] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1731.174125][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1731.180908][T27198] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1731.211074][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1731.216871][T27198] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1731.237873][T27198] Node 0 DMA32: 2146*4kB (UME) 667*8kB (ME) 122*16kB (UME) 34*32kB (UME) 4*64kB (UM) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17600kB [ 1731.262511][T27198] 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 [ 1731.278838][T27198] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1731.318748][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1731.329511][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1731.338923][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1731.355237][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1731.367126][T27198] 4817 total pagecache pages [ 1731.371860][T27198] 0 pages in swap cache [ 1731.376072][T27198] Swap cache stats: add 0, delete 0, find 0/0 [ 1731.382162][T27198] Free swap = 0kB [ 1731.386053][T27198] Total swap = 0kB [ 1731.389976][T27198] 1965979 pages RAM [ 1731.393925][T27198] 0 pages HighMem/MovableOnly [ 1731.398601][T27198] 349901 pages reserved [ 1731.402746][T27198] 0 pages cma reserved [ 1731.406892][T27198] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=16537,uid=0 [ 1731.433145][T27198] Out of memory: Killed process 16537 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1731.608940][ T6508] in:imklog invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1731.620800][ T6508] CPU: 1 PID: 6508 Comm: in:imklog Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1731.630213][ T6508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1731.640276][ T6508] Call Trace: [ 1731.643577][ T6508] dump_stack+0x18f/0x20d [ 1731.647911][ T6508] dump_header+0x106/0x60f [ 1731.652319][ T6508] oom_kill_process.cold+0x10/0x15 [ 1731.657437][ T6508] out_of_memory+0x326/0x1340 [ 1731.662182][ T6508] ? oom_killer_disable+0x270/0x270 [ 1731.667393][ T6508] ? mutex_trylock+0x246/0x2c0 [ 1731.672147][ T6508] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1731.678829][ T6508] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1731.685434][ T6508] ? warn_alloc+0x120/0x120 [ 1731.690052][ T6508] ? fs_reclaim_release+0x94/0xf0 [ 1731.695069][ T6508] ? lock_is_held_type+0xb0/0xe0 [ 1731.700010][ T6508] ? find_get_entry+0x3b2/0x8a0 [ 1731.704871][ T6508] __alloc_pages_nodemask+0x5a3/0x700 [ 1731.710254][ T6508] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1731.717026][ T6508] ? page_cache_readahead_unbounded+0x572/0x850 [ 1731.723264][ T6508] ? __lock_page_or_retry+0x650/0x650 [ 1731.728646][ T6508] alloc_pages_current+0x187/0x280 [ 1731.733752][ T6508] __page_cache_alloc+0x31e/0x450 [ 1731.738773][ T6508] pagecache_get_page+0x2a6/0xf70 [ 1731.743820][ T6508] ? __do_page_cache_readahead+0xc2/0xf0 [ 1731.749453][ T6508] filemap_fault+0x1a94/0x2ab0 [ 1731.754269][ T6508] ext4_filemap_fault+0x87/0xb6 [ 1731.759142][ T6508] __do_fault+0x10d/0x4d0 [ 1731.763482][ T6508] handle_mm_fault+0x37a3/0x43f0 [ 1731.768445][ T6508] ? apply_to_existing_page_range+0x40/0x40 [ 1731.774347][ T6508] do_user_addr_fault+0x5a2/0xd00 [ 1731.779378][ T6508] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1731.784934][ T6508] exc_page_fault+0xab/0x170 [ 1731.789517][ T6508] ? asm_exc_page_fault+0x8/0x30 [ 1731.794462][ T6508] asm_exc_page_fault+0x1e/0x30 [ 1731.799300][ T6508] RIP: 0033:0x7fefec55522d [ 1731.803715][ T6508] Code: Bad RIP value. [ 1731.807761][ T6508] RSP: 002b:00007fefe9ef1580 EFLAGS: 00010293 [ 1731.813807][ T6508] RAX: 0000000000000955 RBX: 0000000000000000 RCX: 00007fefec55522d [ 1731.821781][ T6508] RDX: 0000000000001fa0 RSI: 00007fefe9ef1da0 RDI: 0000000000000004 [ 1731.829742][ T6508] RBP: 00005623e0e7c9d0 R08: 0000000000000000 R09: 0000000000000000 [ 1731.837728][ T6508] R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007fefe9ef1da0 [ 1731.845687][ T6508] R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007fefe9ef3c5e [ 1731.886061][ T6508] Mem-Info: [ 1731.889228][ T6508] active_anon:207972 inactive_anon:4132 isolated_anon:0 [ 1731.889228][ T6508] active_file:250 inactive_file:186 isolated_file:0 [ 1731.889228][ T6508] unevictable:0 dirty:417 writeback:8 [ 1731.889228][ T6508] slab_reclaimable:14666 slab_unreclaimable:96688 [ 1731.889228][ T6508] mapped:53381 shmem:4360 pagetables:9802 bounce:0 [ 1731.889228][ T6508] free:13618 free_pcp:62 free_cma:0 [ 1731.927221][ T6508] Node 0 active_anon:831732kB inactive_anon:16524kB active_file:940kB inactive_file:792kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1668kB writeback:32kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 684032kB writeback_tmp:0kB kernel_stack:19200kB all_unreclaimable? no [ 1731.957527][ T6508] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1731.989230][ T6508] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1732.049616][ T6508] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1732.057128][ T6508] Node 0 DMA32 free:17316kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:827636kB inactive_anon:16524kB active_file:644kB inactive_file:572kB unevictable:0kB writepending:1700kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:39120kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1732.097963][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1732.103139][ T6508] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1732.152663][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1732.171434][ T6508] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1732.201287][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1732.206140][ T6508] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1732.221602][ T6508] Node 0 DMA32: 2163*4kB (UME) 672*8kB (UME) 120*16kB (ME) 30*32kB (UME) 1*64kB (M) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17100kB [ 1732.238935][ T6508] 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 [ 1732.252278][ T6508] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1732.280374][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1732.290561][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1732.311816][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1732.328866][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1732.349809][ T6508] 4812 total pagecache pages [ 1732.373887][ T6508] 0 pages in swap cache [ 1732.378075][ T6508] Swap cache stats: add 0, delete 0, find 0/0 [ 1732.393808][ T6508] Free swap = 0kB [ 1732.397552][ T6508] Total swap = 0kB [ 1732.401270][ T6508] 1965979 pages RAM [ 1732.414105][ T6508] 0 pages HighMem/MovableOnly [ 1732.418832][ T6508] 349901 pages reserved [ 1732.422975][ T6508] 0 pages cma reserved [ 1732.443490][ T6508] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=13192,uid=0 [ 1732.467843][ T6508] Out of memory: Killed process 13192 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1732.567269][T27198] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1732.589405][T27198] CPU: 1 PID: 27198 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1732.599344][T27198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1732.609399][T27198] Call Trace: [ 1732.612689][T27198] dump_stack+0x18f/0x20d [ 1732.617009][T27198] dump_header+0x106/0x60f [ 1732.621407][T27198] oom_kill_process.cold+0x10/0x15 [ 1732.626500][T27198] out_of_memory+0x326/0x1340 [ 1732.631698][T27198] ? oom_killer_disable+0x270/0x270 [ 1732.636898][T27198] ? mutex_trylock+0x246/0x2c0 [ 1732.641657][T27198] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1732.648345][T27198] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1732.654935][T27198] ? warn_alloc+0x120/0x120 [ 1732.659446][T27198] ? fs_reclaim_release+0x94/0xf0 [ 1732.664465][T27198] ? lock_is_held_type+0xb0/0xe0 [ 1732.669402][T27198] ? find_get_entry+0x3b2/0x8a0 [ 1732.674260][T27198] __alloc_pages_nodemask+0x5a3/0x700 [ 1732.679637][T27198] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1732.686411][T27198] ? page_cache_readahead_unbounded+0x572/0x850 [ 1732.692643][T27198] ? __lock_page_or_retry+0x650/0x650 [ 1732.698010][T27198] alloc_pages_current+0x187/0x280 [ 1732.703257][T27198] __page_cache_alloc+0x31e/0x450 [ 1732.708285][T27198] pagecache_get_page+0x2a6/0xf70 [ 1732.713306][T27198] ? __do_page_cache_readahead+0xc2/0xf0 [ 1732.718944][T27198] filemap_fault+0x1a94/0x2ab0 [ 1732.724374][T27198] ext4_filemap_fault+0x87/0xb6 [ 1732.729243][T27198] __do_fault+0x10d/0x4d0 [ 1732.733574][T27198] handle_mm_fault+0x37a3/0x43f0 [ 1732.738510][T27198] ? apply_to_existing_page_range+0x40/0x40 [ 1732.744490][T27198] do_user_addr_fault+0x5a2/0xd00 [ 1732.749523][T27198] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1732.755059][T27198] exc_page_fault+0xab/0x170 [ 1732.759655][T27198] ? asm_exc_page_fault+0x8/0x30 [ 1732.764579][T27198] asm_exc_page_fault+0x1e/0x30 [ 1732.769418][T27198] RIP: 0033:0x45fffa [ 1732.773310][T27198] Code: Bad RIP value. [ 1732.777378][T27198] RSP: 002b:00007fff992867a8 EFLAGS: 00010246 [ 1732.783427][T27198] RAX: 00007fff99286800 RBX: 0000000000000000 RCX: 0000000000000040 [ 1732.791384][T27198] RDX: 0000000000000001 RSI: 0000000000000040 RDI: 00007fff99286940 [ 1732.799361][T27198] RBP: 0000000000000000 R08: 00000000004c25df R09: 00007fff992867e8 [ 1732.807333][T27198] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000000 [ 1732.815294][T27198] R13: 00007fff992868f0 R14: 0000000000000000 R15: 00007fff99286900 [ 1732.893459][T27198] Mem-Info: [ 1732.896854][T27198] active_anon:207433 inactive_anon:4132 isolated_anon:0 [ 1732.896854][T27198] active_file:301 inactive_file:115 isolated_file:0 [ 1732.896854][T27198] unevictable:0 dirty:421 writeback:0 [ 1732.896854][T27198] slab_reclaimable:14666 slab_unreclaimable:96615 [ 1732.896854][T27198] mapped:53381 shmem:4360 pagetables:9801 bounce:0 [ 1732.896854][T27198] free:13726 free_pcp:120 free_cma:0 [ 1732.944829][T27198] Node 0 active_anon:829576kB inactive_anon:16524kB active_file:816kB inactive_file:872kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 681984kB writeback_tmp:0kB kernel_stack:19200kB all_unreclaimable? yes [ 1733.006967][T27198] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1733.041005][T27198] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1733.070933][T27198] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1733.076752][T27198] Node 0 DMA32 free:17748kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:825480kB inactive_anon:16524kB active_file:944kB inactive_file:820kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:39116kB bounce:0kB free_pcp:236kB local_pcp:236kB free_cma:0kB [ 1733.114008][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1733.118722][T27198] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1733.159180][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1733.164366][T27198] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1733.202076][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1733.209682][T27198] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1733.227600][T27198] Node 0 DMA32: 2187*4kB (UME) 672*8kB (UME) 121*16kB (UME) 30*32kB (UME) 1*64kB (M) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17980kB [ 1733.253488][T27198] 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 [ 1733.267329][T27198] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1733.297415][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1733.308398][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1733.328922][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1733.341269][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1733.351804][T27198] 4809 total pagecache pages [ 1733.356454][T27198] 0 pages in swap cache [ 1733.360608][T27198] Swap cache stats: add 0, delete 0, find 0/0 [ 1733.367223][T27198] Free swap = 0kB [ 1733.370948][T27198] Total swap = 0kB [ 1733.374766][T27198] 1965979 pages RAM [ 1733.378572][T27198] 0 pages HighMem/MovableOnly [ 1733.383237][T27198] 349901 pages reserved [ 1733.393531][T27198] 0 pages cma reserved [ 1733.397629][T27198] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=13136,uid=0 [ 1733.415608][T27198] Out of memory: Killed process 13136 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1733.506367][ T6789] sshd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1733.516655][ T6789] CPU: 1 PID: 6789 Comm: sshd Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1733.525591][ T6789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1733.535653][ T6789] Call Trace: [ 1733.538957][ T6789] dump_stack+0x18f/0x20d [ 1733.543308][ T6789] dump_header+0x106/0x60f [ 1733.547732][ T6789] oom_kill_process.cold+0x10/0x15 [ 1733.552827][ T6789] out_of_memory+0x326/0x1340 [ 1733.557506][ T6789] ? oom_killer_disable+0x270/0x270 [ 1733.562690][ T6789] ? mutex_trylock+0x246/0x2c0 [ 1733.567461][ T6789] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1733.574142][ T6789] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1733.580743][ T6789] ? warn_alloc+0x120/0x120 [ 1733.585229][ T6789] ? fs_reclaim_release+0x94/0xf0 [ 1733.590316][ T6789] ? lock_is_held_type+0xb0/0xe0 [ 1733.595240][ T6789] ? find_get_entry+0x3b2/0x8a0 [ 1733.600081][ T6789] __alloc_pages_nodemask+0x5a3/0x700 [ 1733.605450][ T6789] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1733.612206][ T6789] ? page_cache_readahead_unbounded+0x572/0x850 [ 1733.618430][ T6789] ? __lock_page_or_retry+0x650/0x650 [ 1733.623882][ T6789] alloc_pages_current+0x187/0x280 [ 1733.628977][ T6789] __page_cache_alloc+0x31e/0x450 [ 1733.634087][ T6789] pagecache_get_page+0x2a6/0xf70 [ 1733.639097][ T6789] ? __do_page_cache_readahead+0xc2/0xf0 [ 1733.644740][ T6789] filemap_fault+0x1a94/0x2ab0 [ 1733.649510][ T6789] ext4_filemap_fault+0x87/0xb6 [ 1733.654353][ T6789] __do_fault+0x10d/0x4d0 [ 1733.658672][ T6789] handle_mm_fault+0x37a3/0x43f0 [ 1733.663596][ T6789] ? apply_to_existing_page_range+0x40/0x40 [ 1733.669478][ T6789] do_user_addr_fault+0x5a2/0xd00 [ 1733.674490][ T6789] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1733.680034][ T6789] exc_page_fault+0xab/0x170 [ 1733.684625][ T6789] ? asm_exc_page_fault+0x8/0x30 [ 1733.689559][ T6789] asm_exc_page_fault+0x1e/0x30 [ 1733.696649][ T6789] RIP: 0033:0x7f8f1e0400d0 [ 1733.701047][ T6789] Code: Bad RIP value. [ 1733.705089][ T6789] RSP: 002b:00007fffa8e4b3c0 EFLAGS: 00010216 [ 1733.711132][ T6789] RAX: 0000000000001111 RBX: 0000564c36c7fd80 RCX: 0000000000001000 [ 1733.719100][ T6789] RDX: 0000000000001110 RSI: 0000000000009281 RDI: 0000000000009280 [ 1733.727081][ T6789] RBP: 0000564c36c80e90 R08: 0000000000000110 R09: 00000000025aa784 [ 1733.735057][ T6789] R10: 0000000000000000 R11: 0000000050000000 R12: 00007f8f1e35fb00 [ 1733.745197][ T6789] R13: 0000000000000000 R14: 0000000000000110 R15: 0000000000000100 [ 1733.755267][ T6789] Mem-Info: [ 1733.758423][ T6789] active_anon:206891 inactive_anon:4132 isolated_anon:0 [ 1733.758423][ T6789] active_file:270 inactive_file:174 isolated_file:32 [ 1733.758423][ T6789] unevictable:0 dirty:427 writeback:0 [ 1733.758423][ T6789] slab_reclaimable:14666 slab_unreclaimable:96679 [ 1733.758423][ T6789] mapped:53381 shmem:4360 pagetables:9750 bounce:0 [ 1733.758423][ T6789] free:13672 free_pcp:201 free_cma:0 [ 1733.796972][ T6789] Node 0 active_anon:827408kB inactive_anon:16524kB active_file:996kB inactive_file:540kB unevictable:0kB isolated(anon):0kB isolated(file):240kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 679936kB writeback_tmp:0kB kernel_stack:19168kB all_unreclaimable? no [ 1733.826984][ T6789] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1733.854417][ T6789] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1733.883103][ T6789] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1733.889823][ T6789] Node 0 DMA32 free:17940kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:823312kB inactive_anon:16524kB active_file:896kB inactive_file:896kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:38912kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 1733.924030][ T6789] lowmem_reserve[]: 0 0 0 0 0 [ 1733.928738][ T6789] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1733.955817][ T6789] lowmem_reserve[]: 0 0 0 0 0 [ 1733.960524][ T6789] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1733.992066][ T6789] lowmem_reserve[]: 0 0 0 0 0 [ 1733.996854][ T6789] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1734.011353][ T6789] Node 0 DMA32: 2201*4kB (UME) 675*8kB (UME) 121*16kB (UME) 30*32kB (ME) 3*64kB (UM) 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17932kB [ 1734.034907][ T6789] 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 [ 1734.066771][ T6789] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1734.102062][ T6789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1734.122953][ T6789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1734.132448][ T6789] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1734.142139][ T6789] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1734.151583][ T6789] 4812 total pagecache pages [ 1734.157165][ T6789] 0 pages in swap cache [ 1734.161330][ T6789] Swap cache stats: add 0, delete 0, find 0/0 [ 1734.168345][ T6789] Free swap = 0kB [ 1734.178128][ T6789] Total swap = 0kB [ 1734.181873][ T6789] 1965979 pages RAM [ 1734.185763][ T6789] 0 pages HighMem/MovableOnly [ 1734.190460][ T6789] 349901 pages reserved [ 1734.195206][ T6789] 0 pages cma reserved [ 1734.199383][ T6789] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=13120,uid=0 [ 1734.220931][ T6789] Out of memory: Killed process 13120 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1734.410333][ T6814] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1734.456534][ T6814] CPU: 1 PID: 6814 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1734.466362][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1734.476428][ T6814] Call Trace: [ 1734.479707][ T6814] dump_stack+0x18f/0x20d [ 1734.484036][ T6814] dump_header+0x106/0x60f [ 1734.488472][ T6814] oom_kill_process.cold+0x10/0x15 [ 1734.494019][ T6814] out_of_memory+0x326/0x1340 [ 1734.498709][ T6814] ? oom_killer_disable+0x270/0x270 [ 1734.503894][ T6814] ? mutex_trylock+0x246/0x2c0 [ 1734.508642][ T6814] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1734.515318][ T6814] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1734.521904][ T6814] ? warn_alloc+0x120/0x120 [ 1734.526404][ T6814] ? fs_reclaim_release+0x94/0xf0 [ 1734.531410][ T6814] ? lock_is_held_type+0xb0/0xe0 [ 1734.536326][ T6814] ? find_get_entry+0x3b2/0x8a0 [ 1734.541169][ T6814] __alloc_pages_nodemask+0x5a3/0x700 [ 1734.546545][ T6814] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1734.553297][ T6814] ? page_cache_readahead_unbounded+0x572/0x850 [ 1734.559537][ T6814] ? __lock_page_or_retry+0x650/0x650 [ 1734.564899][ T6814] alloc_pages_current+0x187/0x280 [ 1734.570003][ T6814] __page_cache_alloc+0x31e/0x450 [ 1734.575018][ T6814] pagecache_get_page+0x2a6/0xf70 [ 1734.580025][ T6814] ? __do_page_cache_readahead+0xc2/0xf0 [ 1734.585646][ T6814] filemap_fault+0x1a94/0x2ab0 [ 1734.591466][ T6814] ext4_filemap_fault+0x87/0xb6 [ 1734.596313][ T6814] __do_fault+0x10d/0x4d0 [ 1734.600638][ T6814] handle_mm_fault+0x37a3/0x43f0 [ 1734.606013][ T6814] ? apply_to_existing_page_range+0x40/0x40 [ 1734.611899][ T6814] ? vmacache_update+0xce/0x140 [ 1734.616739][ T6814] do_user_addr_fault+0x5a2/0xd00 [ 1734.621759][ T6814] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1734.627303][ T6814] exc_page_fault+0xab/0x170 [ 1734.631881][ T6814] ? asm_exc_page_fault+0x8/0x30 [ 1734.636817][ T6814] asm_exc_page_fault+0x1e/0x30 [ 1734.641652][ T6814] RIP: 0033:0x45b030 [ 1734.645535][ T6814] Code: Bad RIP value. [ 1734.649581][ T6814] RSP: 002b:00007fff99286898 EFLAGS: 00010246 [ 1734.655629][ T6814] RAX: 0000000000000000 RBX: 000000000018f0dc RCX: 000000000045b030 [ 1734.663591][ T6814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff992868a0 [ 1734.671728][ T6814] RBP: 000000000000086a R08: 0000000000000001 R09: 00000000017f2940 [ 1734.679820][ T6814] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1734.687788][ T6814] R13: 00007fff992868f0 R14: 000000000018f0dc R15: 00007fff99286900 [ 1734.735850][ T6814] Mem-Info: [ 1734.742574][ T6814] active_anon:206352 inactive_anon:4132 isolated_anon:0 [ 1734.742574][ T6814] active_file:232 inactive_file:218 isolated_file:0 [ 1734.742574][ T6814] unevictable:0 dirty:421 writeback:0 [ 1734.742574][ T6814] slab_reclaimable:14666 slab_unreclaimable:96609 [ 1734.742574][ T6814] mapped:53381 shmem:4360 pagetables:9724 bounce:0 [ 1734.742574][ T6814] free:13773 free_pcp:0 free_cma:0 [ 1734.806478][ T6814] Node 0 active_anon:825252kB inactive_anon:16524kB active_file:872kB inactive_file:952kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 677888kB writeback_tmp:0kB kernel_stack:19136kB all_unreclaimable? yes [ 1734.841137][ T6814] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1734.870341][ T6814] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1734.898273][ T6814] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1734.904136][ T6814] Node 0 DMA32 free:17936kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:821156kB inactive_anon:16524kB active_file:740kB inactive_file:296kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:38808kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1734.949772][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1734.990657][ T6814] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1735.026139][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1735.030923][ T6814] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1735.061333][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1735.073163][ T6814] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1735.090750][ T6814] Node 0 DMA32: 2215*4kB (ME) 679*8kB (ME) 120*16kB (ME) 31*32kB (UME) 1*64kB (M) 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17908kB [ 1735.112914][ T6814] 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 [ 1735.153751][ T6814] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1735.172657][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1735.182430][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1735.213574][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1735.223144][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1735.253003][ T6814] 4815 total pagecache pages [ 1735.268666][ T6814] 0 pages in swap cache [ 1735.275643][ T6814] Swap cache stats: add 0, delete 0, find 0/0 [ 1735.281733][ T6814] Free swap = 0kB [ 1735.306494][ T6814] Total swap = 0kB [ 1735.316079][ T6814] 1965979 pages RAM [ 1735.320024][ T6814] 0 pages HighMem/MovableOnly [ 1735.327476][ T6814] 349901 pages reserved [ 1735.331640][ T6814] 0 pages cma reserved [ 1735.335992][ T6814] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=13099,uid=0 [ 1735.351703][ T6814] Out of memory: Killed process 13099 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1735.447621][ T7334] syz-executor.5 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1735.483453][ T7334] CPU: 1 PID: 7334 Comm: syz-executor.5 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1735.493290][ T7334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1735.503456][ T7334] Call Trace: [ 1735.506760][ T7334] dump_stack+0x18f/0x20d [ 1735.511092][ T7334] dump_header+0x106/0x60f [ 1735.515533][ T7334] oom_kill_process.cold+0x10/0x15 [ 1735.520631][ T7334] out_of_memory+0x326/0x1340 [ 1735.525306][ T7334] ? oom_killer_disable+0x270/0x270 [ 1735.530537][ T7334] ? mutex_trylock+0x246/0x2c0 [ 1735.537382][ T7334] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1735.544050][ T7334] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1735.550638][ T7334] ? warn_alloc+0x120/0x120 [ 1735.555128][ T7334] ? fs_reclaim_release+0x94/0xf0 [ 1735.560147][ T7334] ? lock_is_held_type+0xb0/0xe0 [ 1735.565072][ T7334] ? find_get_entry+0x3b2/0x8a0 [ 1735.569937][ T7334] __alloc_pages_nodemask+0x5a3/0x700 [ 1735.575303][ T7334] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1735.582055][ T7334] ? page_cache_readahead_unbounded+0x572/0x850 [ 1735.588316][ T7334] ? __lock_page_or_retry+0x650/0x650 [ 1735.593677][ T7334] alloc_pages_current+0x187/0x280 [ 1735.598785][ T7334] __page_cache_alloc+0x31e/0x450 [ 1735.603803][ T7334] pagecache_get_page+0x2a6/0xf70 [ 1735.608829][ T7334] ? __do_page_cache_readahead+0xc2/0xf0 [ 1735.614457][ T7334] filemap_fault+0x1a94/0x2ab0 [ 1735.619214][ T7334] ext4_filemap_fault+0x87/0xb6 [ 1735.624495][ T7334] __do_fault+0x10d/0x4d0 [ 1735.628829][ T7334] handle_mm_fault+0x37a3/0x43f0 [ 1735.633778][ T7334] ? apply_to_existing_page_range+0x40/0x40 [ 1735.639665][ T7334] ? vmacache_update+0xce/0x140 [ 1735.644511][ T7334] do_user_addr_fault+0x5a2/0xd00 [ 1735.649529][ T7334] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1735.655080][ T7334] exc_page_fault+0xab/0x170 [ 1735.659676][ T7334] ? asm_exc_page_fault+0x8/0x30 [ 1735.664618][ T7334] asm_exc_page_fault+0x1e/0x30 [ 1735.669468][ T7334] RIP: 0033:0x45b030 [ 1735.673366][ T7334] Code: Bad RIP value. [ 1735.677426][ T7334] RSP: 002b:00007ffc5c825c88 EFLAGS: 00010246 [ 1735.683478][ T7334] RAX: 0000000000000000 RBX: 000000000018f16a RCX: 000000000045b030 [ 1735.691436][ T7334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc5c825c90 [ 1735.699435][ T7334] RBP: 00000000000009e5 R08: 0000000000000001 R09: 0000000002034940 [ 1735.707413][ T7334] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1735.715382][ T7334] R13: 00007ffc5c825ce0 R14: 000000000018f0bc R15: 00007ffc5c825cf0 [ 1735.735601][ T7334] Mem-Info: [ 1735.739038][ T7334] active_anon:205813 inactive_anon:4132 isolated_anon:0 [ 1735.739038][ T7334] active_file:330 inactive_file:80 isolated_file:32 [ 1735.739038][ T7334] unevictable:0 dirty:424 writeback:2 [ 1735.739038][ T7334] slab_reclaimable:14665 slab_unreclaimable:96788 [ 1735.739038][ T7334] mapped:53381 shmem:4360 pagetables:9698 bounce:0 [ 1735.739038][ T7334] free:13670 free_pcp:125 free_cma:0 [ 1735.776963][ T7334] Node 0 active_anon:823096kB inactive_anon:16524kB active_file:888kB inactive_file:876kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1696kB writeback:8kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 675840kB writeback_tmp:0kB kernel_stack:19104kB all_unreclaimable? no [ 1735.806723][ T7334] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1735.834433][ T7334] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1735.875531][ T7334] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1735.881314][ T7334] Node 0 DMA32 free:17524kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:819000kB inactive_anon:16524kB active_file:664kB inactive_file:1120kB unevictable:0kB writepending:1704kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:38704kB bounce:0kB free_pcp:232kB local_pcp:0kB free_cma:0kB [ 1735.920793][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1735.925666][ T7334] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1736.011007][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1736.021767][ T7334] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1736.071804][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1736.080233][ T7334] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1736.104313][ T7334] Node 0 DMA32: 2204*4kB (UME) 672*8kB (UME) 124*16kB (UME) 33*32kB (UME) 3*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17552kB [ 1736.149030][ T7334] 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 [ 1736.187943][ T7334] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1736.236098][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1736.260427][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1736.270799][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1736.280834][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1736.290635][ T7334] 4812 total pagecache pages [ 1736.308441][ T7334] 0 pages in swap cache [ 1736.313233][ T7334] Swap cache stats: add 0, delete 0, find 0/0 [ 1736.319586][ T7334] Free swap = 0kB [ 1736.331070][ T7334] Total swap = 0kB [ 1736.340235][ T7334] 1965979 pages RAM [ 1736.344147][ T7334] 0 pages HighMem/MovableOnly [ 1736.348821][ T7334] 349901 pages reserved [ 1736.352966][ T7334] 0 pages cma reserved [ 1736.364263][ T7334] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=13086,uid=0 [ 1736.393332][ T7334] Out of memory: Killed process 13086 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1736.472212][ T7334] syz-executor.5 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1736.484656][ T7334] CPU: 1 PID: 7334 Comm: syz-executor.5 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1736.494469][ T7334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1736.504533][ T7334] Call Trace: [ 1736.507839][ T7334] dump_stack+0x18f/0x20d [ 1736.512182][ T7334] dump_header+0x106/0x60f [ 1736.516615][ T7334] oom_kill_process.cold+0x10/0x15 [ 1736.521734][ T7334] out_of_memory+0x326/0x1340 [ 1736.526412][ T7334] ? oom_killer_disable+0x270/0x270 [ 1736.531617][ T7334] ? mutex_trylock+0x246/0x2c0 [ 1736.536371][ T7334] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1736.543040][ T7334] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1736.549645][ T7334] ? warn_alloc+0x120/0x120 [ 1736.554140][ T7334] ? fs_reclaim_release+0x94/0xf0 [ 1736.559170][ T7334] ? lock_is_held_type+0xb0/0xe0 [ 1736.564111][ T7334] ? find_get_entry+0x3b2/0x8a0 [ 1736.568960][ T7334] __alloc_pages_nodemask+0x5a3/0x700 [ 1736.574329][ T7334] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1736.581131][ T7334] ? page_cache_readahead_unbounded+0x572/0x850 [ 1736.587398][ T7334] ? __lock_page_or_retry+0x650/0x650 [ 1736.592761][ T7334] alloc_pages_current+0x187/0x280 [ 1736.597866][ T7334] __page_cache_alloc+0x31e/0x450 [ 1736.602887][ T7334] pagecache_get_page+0x2a6/0xf70 [ 1736.607902][ T7334] ? __do_page_cache_readahead+0xc2/0xf0 [ 1736.613529][ T7334] filemap_fault+0x1a94/0x2ab0 [ 1736.618302][ T7334] ext4_filemap_fault+0x87/0xb6 [ 1736.623149][ T7334] __do_fault+0x10d/0x4d0 [ 1736.627467][ T7334] handle_mm_fault+0x37a3/0x43f0 [ 1736.632397][ T7334] ? apply_to_existing_page_range+0x40/0x40 [ 1736.638283][ T7334] ? vmacache_update+0xce/0x140 [ 1736.643656][ T7334] do_user_addr_fault+0x5a2/0xd00 [ 1736.648669][ T7334] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1736.654208][ T7334] exc_page_fault+0xab/0x170 [ 1736.658782][ T7334] ? asm_exc_page_fault+0x8/0x30 [ 1736.663706][ T7334] asm_exc_page_fault+0x1e/0x30 [ 1736.668543][ T7334] RIP: 0033:0x45b030 [ 1736.672425][ T7334] Code: Bad RIP value. [ 1736.676473][ T7334] RSP: 002b:00007ffc5c825c88 EFLAGS: 00010246 [ 1736.682521][ T7334] RAX: 0000000000000000 RBX: 000000000018f16a RCX: 000000000045b030 [ 1736.690492][ T7334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc5c825c90 [ 1736.698450][ T7334] RBP: 00000000000009e5 R08: 0000000000000001 R09: 0000000002034940 [ 1736.706408][ T7334] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1736.714367][ T7334] R13: 00007ffc5c825ce0 R14: 000000000018f0bc R15: 00007ffc5c825cf0 [ 1736.776505][ T7334] Mem-Info: [ 1736.779873][ T7334] active_anon:205272 inactive_anon:4132 isolated_anon:0 [ 1736.779873][ T7334] active_file:219 inactive_file:216 isolated_file:32 [ 1736.779873][ T7334] unevictable:0 dirty:420 writeback:0 [ 1736.779873][ T7334] slab_reclaimable:14661 slab_unreclaimable:96533 [ 1736.779873][ T7334] mapped:53381 shmem:4360 pagetables:9697 bounce:0 [ 1736.779873][ T7334] free:13789 free_pcp:83 free_cma:0 [ 1736.818269][ T7334] Node 0 active_anon:820932kB inactive_anon:16524kB active_file:884kB inactive_file:976kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1680kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 673792kB writeback_tmp:0kB kernel_stack:19072kB all_unreclaimable? yes [ 1736.849090][ T7334] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1736.904160][ T7334] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1736.932969][ T7334] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1736.938792][ T7334] Node 0 DMA32 free:17492kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:816836kB inactive_anon:16524kB active_file:952kB inactive_file:664kB unevictable:0kB writepending:1672kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:38700kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1736.972487][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1736.977355][ T7334] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1737.025842][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1737.031006][ T7334] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1737.060691][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1737.065528][ T7334] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1737.080829][ T7334] Node 0 DMA32: 2216*4kB (ME) 681*8kB (ME) 123*16kB (ME) 30*32kB (UME) 1*64kB (U) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17560kB [ 1737.095980][ T7334] 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 [ 1737.107713][ T7334] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1737.125655][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1737.141242][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1737.150885][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1737.160804][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1737.170225][ T7334] 4812 total pagecache pages [ 1737.178860][ T7334] 0 pages in swap cache [ 1737.183249][ T7334] Swap cache stats: add 0, delete 0, find 0/0 [ 1737.190612][ T7334] Free swap = 0kB [ 1737.196804][ T7334] Total swap = 0kB [ 1737.200753][ T7334] 1965979 pages RAM [ 1737.205429][ T7334] 0 pages HighMem/MovableOnly [ 1737.210119][ T7334] 349901 pages reserved [ 1737.214370][ T7334] 0 pages cma reserved [ 1737.218452][ T7334] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=13078,uid=0 [ 1737.232927][ T7334] Out of memory: Killed process 13078 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1737.299838][ T7334] syz-executor.5 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1737.318565][ T7334] CPU: 1 PID: 7334 Comm: syz-executor.5 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1737.328413][ T7334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1737.338612][ T7334] Call Trace: [ 1737.341899][ T7334] dump_stack+0x18f/0x20d [ 1737.346234][ T7334] dump_header+0x106/0x60f [ 1737.350661][ T7334] oom_kill_process.cold+0x10/0x15 [ 1737.355795][ T7334] out_of_memory+0x326/0x1340 [ 1737.360499][ T7334] ? oom_killer_disable+0x270/0x270 [ 1737.365693][ T7334] ? mutex_trylock+0x246/0x2c0 [ 1737.370456][ T7334] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1737.377130][ T7334] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1737.383746][ T7334] ? warn_alloc+0x120/0x120 [ 1737.388267][ T7334] ? fs_reclaim_release+0x94/0xf0 [ 1737.393321][ T7334] ? lock_is_held_type+0xb0/0xe0 [ 1737.398272][ T7334] ? find_get_entry+0x3b2/0x8a0 [ 1737.403158][ T7334] __alloc_pages_nodemask+0x5a3/0x700 [ 1737.408563][ T7334] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1737.415345][ T7334] ? page_cache_readahead_unbounded+0x572/0x850 [ 1737.421600][ T7334] ? __lock_page_or_retry+0x650/0x650 [ 1737.426969][ T7334] alloc_pages_current+0x187/0x280 [ 1737.432087][ T7334] __page_cache_alloc+0x31e/0x450 [ 1737.437111][ T7334] pagecache_get_page+0x2a6/0xf70 [ 1737.442131][ T7334] ? __do_page_cache_readahead+0xc2/0xf0 [ 1737.447764][ T7334] filemap_fault+0x1a94/0x2ab0 [ 1737.452539][ T7334] ext4_filemap_fault+0x87/0xb6 [ 1737.457404][ T7334] __do_fault+0x10d/0x4d0 [ 1737.461742][ T7334] handle_mm_fault+0x37a3/0x43f0 [ 1737.466697][ T7334] ? apply_to_existing_page_range+0x40/0x40 [ 1737.472591][ T7334] ? vmacache_update+0xce/0x140 [ 1737.477444][ T7334] do_user_addr_fault+0x5a2/0xd00 [ 1737.482487][ T7334] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1737.488034][ T7334] exc_page_fault+0xab/0x170 [ 1737.492621][ T7334] ? asm_exc_page_fault+0x8/0x30 [ 1737.497554][ T7334] asm_exc_page_fault+0x1e/0x30 [ 1737.502391][ T7334] RIP: 0033:0x45b030 [ 1737.506261][ T7334] Code: Bad RIP value. [ 1737.510309][ T7334] RSP: 002b:00007ffc5c825c88 EFLAGS: 00010246 [ 1737.516495][ T7334] RAX: 0000000000000000 RBX: 000000000018f16a RCX: 000000000045b030 [ 1737.524468][ T7334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc5c825c90 [ 1737.532455][ T7334] RBP: 00000000000009e5 R08: 0000000000000001 R09: 0000000002034940 [ 1737.540539][ T7334] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1737.548508][ T7334] R13: 00007ffc5c825ce0 R14: 000000000018f0bc R15: 00007ffc5c825cf0 [ 1737.606310][ T7334] Mem-Info: [ 1737.609479][ T7334] active_anon:204727 inactive_anon:4132 isolated_anon:0 [ 1737.609479][ T7334] active_file:241 inactive_file:210 isolated_file:0 [ 1737.609479][ T7334] unevictable:0 dirty:423 writeback:2 [ 1737.609479][ T7334] slab_reclaimable:14656 slab_unreclaimable:96437 [ 1737.609479][ T7334] mapped:53381 shmem:4360 pagetables:9646 bounce:0 [ 1737.609479][ T7334] free:13762 free_pcp:116 free_cma:0 [ 1737.661999][ T7334] Node 0 active_anon:818752kB inactive_anon:16524kB active_file:928kB inactive_file:932kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1692kB writeback:8kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 671744kB writeback_tmp:0kB kernel_stack:19040kB all_unreclaimable? no [ 1737.693069][ T7334] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1737.735862][ T7334] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1737.793277][ T7334] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1737.807521][ T7334] Node 0 DMA32 free:17668kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:814656kB inactive_anon:16524kB active_file:872kB inactive_file:760kB unevictable:0kB writepending:1700kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:38496kB bounce:0kB free_pcp:452kB local_pcp:224kB free_cma:0kB [ 1737.885874][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1737.890606][ T7334] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1737.921733][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1737.926538][ T7334] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1737.984998][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1737.989716][ T7334] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1738.021740][ T7334] Node 0 DMA32: 2227*4kB (ME) 702*8kB (UME) 126*16kB (ME) 30*32kB (UME) 1*64kB (U) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17820kB [ 1738.053631][ T7334] 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 [ 1738.065536][ T7334] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1738.082716][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1738.095260][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1738.104655][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1738.114526][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1738.133951][ T7334] 4811 total pagecache pages [ 1738.138558][ T7334] 0 pages in swap cache [ 1738.142846][ T7334] Swap cache stats: add 0, delete 0, find 0/0 [ 1738.161456][ T7334] Free swap = 0kB [ 1738.176513][ T7334] Total swap = 0kB [ 1738.180269][ T7334] 1965979 pages RAM [ 1738.199271][ T7334] 0 pages HighMem/MovableOnly [ 1738.226660][ T7334] 349901 pages reserved [ 1738.230831][ T7334] 0 pages cma reserved [ 1738.242905][ T7334] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=11310,uid=0 [ 1738.272370][ T7334] Out of memory: Killed process 11310 (syz-executor.4) total-vm:74980kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:136kB oom_score_adj:1000 [ 1738.306393][ T1151] oom_reaper: reaped process 11310 (syz-executor.4), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1738.337892][T27198] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1738.388666][T27198] CPU: 0 PID: 27198 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1738.398701][T27198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1738.408766][T27198] Call Trace: [ 1738.412082][T27198] dump_stack+0x18f/0x20d [ 1738.416435][T27198] dump_header+0x106/0x60f [ 1738.420874][T27198] oom_kill_process.cold+0x10/0x15 [ 1738.426015][T27198] out_of_memory+0x326/0x1340 [ 1738.430819][T27198] ? oom_killer_disable+0x270/0x270 [ 1738.436036][T27198] ? mutex_trylock+0x246/0x2c0 [ 1738.440816][T27198] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1738.447513][T27198] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1738.454143][T27198] ? warn_alloc+0x120/0x120 [ 1738.458664][T27198] ? fs_reclaim_release+0x94/0xf0 [ 1738.463715][T27198] ? lock_is_held_type+0xb0/0xe0 [ 1738.468691][T27198] ? find_get_entry+0x3b2/0x8a0 [ 1738.473575][T27198] __alloc_pages_nodemask+0x5a3/0x700 [ 1738.478974][T27198] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1738.485759][T27198] ? page_cache_readahead_unbounded+0x572/0x850 [ 1738.492024][T27198] ? __lock_page_or_retry+0x650/0x650 [ 1738.497418][T27198] alloc_pages_current+0x187/0x280 [ 1738.502581][T27198] __page_cache_alloc+0x31e/0x450 [ 1738.507632][T27198] pagecache_get_page+0x2a6/0xf70 [ 1738.512680][T27198] ? __do_page_cache_readahead+0xc2/0xf0 [ 1738.518362][T27198] filemap_fault+0x1a94/0x2ab0 [ 1738.523153][T27198] ext4_filemap_fault+0x87/0xb6 [ 1738.528019][T27198] __do_fault+0x10d/0x4d0 [ 1738.532370][T27198] handle_mm_fault+0x37a3/0x43f0 [ 1738.537369][T27198] ? apply_to_existing_page_range+0x40/0x40 [ 1738.543298][T27198] do_user_addr_fault+0x5a2/0xd00 [ 1738.548358][T27198] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1738.553929][T27198] exc_page_fault+0xab/0x170 [ 1738.558539][T27198] ? asm_exc_page_fault+0x8/0x30 [ 1738.563596][T27198] asm_exc_page_fault+0x1e/0x30 [ 1738.568489][T27198] RIP: 0033:0x45fffa [ 1738.572380][T27198] Code: Bad RIP value. [ 1738.576464][T27198] RSP: 002b:00007fff992867a8 EFLAGS: 00010246 [ 1738.582551][T27198] RAX: 00007fff99286800 RBX: 0000000000000000 RCX: 0000000000000040 [ 1738.590538][T27198] RDX: 0000000000000001 RSI: 0000000000000040 RDI: 00007fff99286940 [ 1738.598539][T27198] RBP: 0000000000000000 R08: 00000000004c25df R09: 00007fff992867e8 [ 1738.606519][T27198] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000000 [ 1738.614519][T27198] R13: 00007fff992868f0 R14: 0000000000000000 R15: 00007fff99286900 [ 1738.640065][T27198] Mem-Info: [ 1738.643541][T27198] active_anon:204203 inactive_anon:4132 isolated_anon:0 [ 1738.643541][T27198] active_file:248 inactive_file:223 isolated_file:0 [ 1738.643541][T27198] unevictable:0 dirty:423 writeback:2 [ 1738.643541][T27198] slab_reclaimable:14656 slab_unreclaimable:96467 [ 1738.643541][T27198] mapped:53381 shmem:4360 pagetables:9645 bounce:0 [ 1738.643541][T27198] free:13804 free_pcp:62 free_cma:0 [ 1738.680595][T27198] Node 0 active_anon:816564kB inactive_anon:16524kB active_file:1084kB inactive_file:812kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 669696kB writeback_tmp:0kB kernel_stack:19008kB all_unreclaimable? no [ 1738.712439][T27198] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1738.741169][T27198] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1738.770078][T27198] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1738.778164][T27198] Node 0 DMA32 free:17404kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:812468kB inactive_anon:16524kB active_file:1040kB inactive_file:500kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:38388kB bounce:0kB free_pcp:464kB local_pcp:232kB free_cma:0kB [ 1738.813299][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1738.829048][T27198] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1738.864031][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1738.868936][T27198] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1738.958113][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1738.963044][T27198] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1738.990251][T27198] Node 0 DMA32: 2157*4kB (UME) 699*8kB (UME) 130*16kB (UME) 32*32kB (UM) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17388kB [ 1739.012415][T27198] 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 [ 1739.031946][T27198] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1739.049869][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1739.059938][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1739.076558][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1739.086403][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1739.097860][T27198] 4814 total pagecache pages [ 1739.102643][T27198] 0 pages in swap cache [ 1739.122346][T27198] Swap cache stats: add 0, delete 0, find 0/0 [ 1739.147878][T27198] Free swap = 0kB [ 1739.151629][T27198] Total swap = 0kB [ 1739.156463][T27198] 1965979 pages RAM [ 1739.160271][T27198] 0 pages HighMem/MovableOnly [ 1739.165101][T27198] 349901 pages reserved [ 1739.169325][T27198] 0 pages cma reserved [ 1739.178155][T27198] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=9922,uid=0 [ 1739.198960][T27198] Out of memory: Killed process 9922 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1739.306742][ T1] systemd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1739.340936][ T1] CPU: 0 PID: 1 Comm: systemd Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1739.349881][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1739.359914][ T1] Call Trace: [ 1739.363190][ T1] dump_stack+0x18f/0x20d [ 1739.367537][ T1] dump_header+0x106/0x60f [ 1739.371934][ T1] oom_kill_process.cold+0x10/0x15 [ 1739.377023][ T1] out_of_memory+0x326/0x1340 [ 1739.381694][ T1] ? oom_killer_disable+0x270/0x270 [ 1739.386880][ T1] ? mutex_trylock+0x246/0x2c0 [ 1739.391622][ T1] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1739.398278][ T1] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1739.404867][ T1] ? warn_alloc+0x120/0x120 [ 1739.409353][ T1] ? fs_reclaim_release+0x94/0xf0 [ 1739.414373][ T1] ? lock_is_held_type+0xb0/0xe0 [ 1739.419297][ T1] ? find_get_entry+0x3b2/0x8a0 [ 1739.424129][ T1] __alloc_pages_nodemask+0x5a3/0x700 [ 1739.429498][ T1] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1739.436242][ T1] ? page_cache_readahead_unbounded+0x572/0x850 [ 1739.442466][ T1] ? __lock_page_or_retry+0x650/0x650 [ 1739.447825][ T1] alloc_pages_current+0x187/0x280 [ 1739.452917][ T1] __page_cache_alloc+0x31e/0x450 [ 1739.457923][ T1] pagecache_get_page+0x2a6/0xf70 [ 1739.462928][ T1] ? __do_page_cache_readahead+0xc2/0xf0 [ 1739.468543][ T1] filemap_fault+0x1a94/0x2ab0 [ 1739.473295][ T1] ext4_filemap_fault+0x87/0xb6 [ 1739.478139][ T1] __do_fault+0x10d/0x4d0 [ 1739.482466][ T1] handle_mm_fault+0x37a3/0x43f0 [ 1739.487391][ T1] ? apply_to_existing_page_range+0x40/0x40 [ 1739.493297][ T1] ? vmacache_update+0xce/0x140 [ 1739.498158][ T1] do_user_addr_fault+0x5a2/0xd00 [ 1739.503192][ T1] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1739.508730][ T1] exc_page_fault+0xab/0x170 [ 1739.513313][ T1] ? asm_exc_page_fault+0x8/0x30 [ 1739.518257][ T1] asm_exc_page_fault+0x1e/0x30 [ 1739.523085][ T1] RIP: 0033:0x7f65bb0fc303 [ 1739.527746][ T1] Code: Bad RIP value. [ 1739.531789][ T1] RSP: 002b:00007ffc671f0140 EFLAGS: 00010293 [ 1739.537832][ T1] RAX: 0000000000000001 RBX: 000056361fabcf50 RCX: 00007f65bb0fc303 [ 1739.545782][ T1] RDX: 0000000000000025 RSI: 00007ffc671f0150 RDI: 0000000000000004 [ 1739.553731][ T1] RBP: 00007ffc671f0410 R08: 88c28ea7978d42a3 R09: 0000000000004f60 [ 1739.561680][ T1] R10: 00000000ffffffff R11: 0000000000000293 R12: 00007ffc671f0150 [ 1739.569646][ T1] R13: 0000000000000001 R14: ffffffffffffffff R15: 0000000000000002 [ 1739.589366][ T1] Mem-Info: [ 1739.592518][ T1] active_anon:203639 inactive_anon:4132 isolated_anon:0 [ 1739.592518][ T1] active_file:219 inactive_file:202 isolated_file:58 [ 1739.592518][ T1] unevictable:0 dirty:421 writeback:0 [ 1739.592518][ T1] slab_reclaimable:14655 slab_unreclaimable:96540 [ 1739.592518][ T1] mapped:53381 shmem:4360 pagetables:9593 bounce:0 [ 1739.592518][ T1] free:13707 free_pcp:0 free_cma:0 [ 1739.629232][ T1] Node 0 active_anon:814400kB inactive_anon:16524kB active_file:1088kB inactive_file:672kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 667648kB writeback_tmp:0kB kernel_stack:19008kB all_unreclaimable? no [ 1739.659025][ T1] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1739.693347][ T1] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1739.725734][ T1] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1739.731480][ T1] Node 0 DMA32 free:17672kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:810304kB inactive_anon:16524kB active_file:900kB inactive_file:796kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:38284kB bounce:0kB free_pcp:472kB local_pcp:232kB free_cma:0kB [ 1739.770585][ T1] lowmem_reserve[]: 0 0 0 0 0 [ 1739.775354][ T1] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1739.802238][ T1] lowmem_reserve[]: 0 0 0 0 0 [ 1739.816292][ T1] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1739.859512][ T1] lowmem_reserve[]: 0 0 0 0 0 [ 1739.878834][ T1] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1739.893747][ T1] Node 0 DMA32: 2158*4kB (ME) 673*8kB (UME) 125*16kB (ME) 26*32kB (M) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17808kB [ 1739.909590][ T1] 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 [ 1739.921082][ T1] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1739.967207][ T1] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1739.981980][ T1] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1739.993395][ T1] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1740.003205][ T1] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1740.014051][ T1] 4814 total pagecache pages [ 1740.018649][ T1] 0 pages in swap cache [ 1740.022940][ T1] Swap cache stats: add 0, delete 0, find 0/0 [ 1740.029078][ T1] Free swap = 0kB [ 1740.032959][ T1] Total swap = 0kB [ 1740.036733][ T1] 1965979 pages RAM [ 1740.040663][ T1] 0 pages HighMem/MovableOnly [ 1740.045439][ T1] 349901 pages reserved [ 1740.049720][ T1] 0 pages cma reserved [ 1740.053976][ T1] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=9904,uid=0 [ 1740.069135][ T1] Out of memory: Killed process 9904 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1740.240325][T27196] syz-executor.3 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 1740.280452][T27196] CPU: 1 PID: 27196 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1740.290410][T27196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1740.301021][T27196] Call Trace: [ 1740.304329][T27196] dump_stack+0x18f/0x20d [ 1740.308667][T27196] dump_header+0x106/0x60f [ 1740.313090][T27196] oom_kill_process.cold+0x10/0x15 [ 1740.318206][T27196] out_of_memory+0x326/0x1340 [ 1740.322907][T27196] ? oom_killer_disable+0x270/0x270 [ 1740.328113][T27196] ? mutex_trylock+0x246/0x2c0 [ 1740.332885][T27196] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1740.339577][T27196] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1740.346195][T27196] ? warn_alloc+0x120/0x120 [ 1740.350704][T27196] ? fs_reclaim_release+0x94/0xf0 [ 1740.355739][T27196] ? lock_is_held_type+0xb0/0xe0 [ 1740.360691][T27196] __alloc_pages_nodemask+0x5a3/0x700 [ 1740.366070][T27196] ? __pte_alloc+0x1b1/0x310 [ 1740.370669][T27196] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1740.377438][T27196] ? rwlock_bug.part.0+0x90/0x90 [ 1740.382384][T27196] alloc_pages_vma+0xdd/0x720 [ 1740.387158][T27196] handle_mm_fault+0x261d/0x43f0 [ 1740.392108][T27196] ? apply_to_existing_page_range+0x40/0x40 [ 1740.398019][T27196] ? vmacache_update+0xce/0x140 [ 1740.402882][T27196] do_user_addr_fault+0x5a2/0xd00 [ 1740.407920][T27196] exc_page_fault+0xab/0x170 [ 1740.412544][T27196] ? asm_exc_page_fault+0x8/0x30 [ 1740.417480][T27196] asm_exc_page_fault+0x1e/0x30 [ 1740.422328][T27196] RIP: 0033:0x400684 [ 1740.426209][T27196] Code: Bad RIP value. [ 1740.430290][T27196] RSP: 002b:00007ffdbb88d140 EFLAGS: 00010202 [ 1740.436348][T27196] RAX: 0000000020000000 RBX: 0000000000000000 RCX: 0000000020000100 [ 1740.444321][T27196] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000020000000 [ 1740.452292][T27196] RBP: 0000000000790168 R08: 0000000000000000 R09: 0000000000000000 [ 1740.460265][T27196] R10: 00007ffdbb88d260 R11: 0000000000000246 R12: 0000000000790170 [ 1740.468671][T27196] R13: 000000000018f24e R14: fffffffffffffffe R15: 000000000078bf0c [ 1740.516525][T27196] Mem-Info: [ 1740.519704][T27196] active_anon:203098 inactive_anon:4132 isolated_anon:0 [ 1740.519704][T27196] active_file:224 inactive_file:178 isolated_file:32 [ 1740.519704][T27196] unevictable:0 dirty:422 writeback:0 [ 1740.519704][T27196] slab_reclaimable:14655 slab_unreclaimable:96473 [ 1740.519704][T27196] mapped:53381 shmem:4360 pagetables:9567 bounce:0 [ 1740.519704][T27196] free:13866 free_pcp:60 free_cma:0 [ 1740.577103][T27196] Node 0 active_anon:812236kB inactive_anon:16524kB active_file:900kB inactive_file:884kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 665600kB writeback_tmp:0kB kernel_stack:18976kB all_unreclaimable? no [ 1740.653848][T27196] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1740.693002][T27196] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1740.720877][T27196] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1740.752751][T27196] Node 0 DMA32 free:17572kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:808140kB inactive_anon:16524kB active_file:1612kB inactive_file:128kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:38180kB bounce:0kB free_pcp:472kB local_pcp:224kB free_cma:0kB [ 1740.793659][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1740.798374][T27196] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1740.831528][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1740.836810][T27196] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1740.868586][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1740.873293][T27196] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1740.887927][T27196] Node 0 DMA32: 2172*4kB (ME) 676*8kB (UME) 126*16kB (UME) 26*32kB (M) 0*64kB 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17584kB [ 1740.904969][T27196] 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 [ 1740.916496][T27196] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1740.943890][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1740.978524][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1740.988159][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1740.998128][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1741.011726][T27196] 4811 total pagecache pages [ 1741.017111][T27196] 0 pages in swap cache [ 1741.022335][T27196] Swap cache stats: add 0, delete 0, find 0/0 [ 1741.028502][T27196] Free swap = 0kB [ 1741.032244][T27196] Total swap = 0kB [ 1741.036036][T27196] 1965979 pages RAM [ 1741.043348][T27196] 0 pages HighMem/MovableOnly [ 1741.048713][T27196] 349901 pages reserved [ 1741.052872][T27196] 0 pages cma reserved [ 1741.070874][T27196] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=9892,uid=0 [ 1741.092101][T27196] Out of memory: Killed process 9892 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1741.132918][ T1151] oom_reaper: reaped process 9892 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1741.247510][T27198] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1741.258872][T27198] CPU: 0 PID: 27198 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1741.268774][T27198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1741.278844][T27198] Call Trace: [ 1741.282159][T27198] dump_stack+0x18f/0x20d [ 1741.286517][T27198] dump_header+0x106/0x60f [ 1741.290957][T27198] oom_kill_process.cold+0x10/0x15 [ 1741.296094][T27198] out_of_memory+0x326/0x1340 [ 1741.300803][T27198] ? oom_killer_disable+0x270/0x270 [ 1741.306040][T27198] ? mutex_trylock+0x246/0x2c0 [ 1741.311794][T27198] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1741.318530][T27198] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1741.325144][T27198] ? warn_alloc+0x120/0x120 [ 1741.329646][T27198] ? fs_reclaim_release+0x94/0xf0 [ 1741.334682][T27198] ? lock_is_held_type+0xb0/0xe0 [ 1741.339630][T27198] ? find_get_entry+0x3b2/0x8a0 [ 1741.344506][T27198] __alloc_pages_nodemask+0x5a3/0x700 [ 1741.349896][T27198] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1741.356661][T27198] ? page_cache_readahead_unbounded+0x572/0x850 [ 1741.362908][T27198] ? __lock_page_or_retry+0x650/0x650 [ 1741.368302][T27198] alloc_pages_current+0x187/0x280 [ 1741.373445][T27198] __page_cache_alloc+0x31e/0x450 [ 1741.378493][T27198] pagecache_get_page+0x2a6/0xf70 [ 1741.383519][T27198] ? __do_page_cache_readahead+0xc2/0xf0 [ 1741.389160][T27198] filemap_fault+0x1a94/0x2ab0 [ 1741.393969][T27198] ext4_filemap_fault+0x87/0xb6 [ 1741.398819][T27198] __do_fault+0x10d/0x4d0 [ 1741.403174][T27198] handle_mm_fault+0x37a3/0x43f0 [ 1741.414835][T27198] ? apply_to_existing_page_range+0x40/0x40 [ 1741.420739][T27198] do_user_addr_fault+0x5a2/0xd00 [ 1741.425783][T27198] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1741.431352][T27198] exc_page_fault+0xab/0x170 [ 1741.435972][T27198] ? asm_exc_page_fault+0x8/0x30 [ 1741.440919][T27198] asm_exc_page_fault+0x1e/0x30 [ 1741.445761][T27198] RIP: 0033:0x45fffa [ 1741.449652][T27198] Code: Bad RIP value. [ 1741.453704][T27198] RSP: 002b:00007fff992867a8 EFLAGS: 00010246 [ 1741.459758][T27198] RAX: 00007fff99286800 RBX: 0000000000000000 RCX: 0000000000000040 [ 1741.467717][T27198] RDX: 0000000000000001 RSI: 0000000000000040 RDI: 00007fff99286940 [ 1741.475675][T27198] RBP: 0000000000000000 R08: 00000000004c25df R09: 00007fff992867e8 [ 1741.483648][T27198] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000000 [ 1741.491610][T27198] R13: 00007fff992868f0 R14: 0000000000000000 R15: 00007fff99286900 [ 1741.553880][T27198] Mem-Info: [ 1741.557056][T27198] active_anon:202559 inactive_anon:4132 isolated_anon:0 [ 1741.557056][T27198] active_file:250 inactive_file:217 isolated_file:0 [ 1741.557056][T27198] unevictable:0 dirty:421 writeback:0 [ 1741.557056][T27198] slab_reclaimable:14653 slab_unreclaimable:96540 [ 1741.557056][T27198] mapped:53381 shmem:4360 pagetables:9541 bounce:0 [ 1741.557056][T27198] free:13738 free_pcp:73 free_cma:0 [ 1741.641427][T27198] Node 0 active_anon:810080kB inactive_anon:16524kB active_file:1184kB inactive_file:552kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 663552kB writeback_tmp:0kB kernel_stack:18976kB all_unreclaimable? no [ 1741.720668][T27198] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1741.791758][T27198] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1741.862272][T27198] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1741.883094][T27198] Node 0 DMA32 free:17796kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:805984kB inactive_anon:16524kB active_file:688kB inactive_file:748kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:38076kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 1741.961778][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1741.967674][T27198] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1741.995288][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1741.999994][T27198] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1742.029936][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1742.034804][T27198] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1742.063307][T27198] Node 0 DMA32: 2195*4kB (UME) 679*8kB (UME) 127*16kB (UME) 28*32kB (UM) 2*64kB (U) 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17908kB [ 1742.080037][T27198] 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 [ 1742.092022][T27198] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1742.110157][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1742.119800][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1742.129361][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1742.139767][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1742.149307][T27198] 4812 total pagecache pages [ 1742.153974][T27198] 0 pages in swap cache [ 1742.158143][T27198] Swap cache stats: add 0, delete 0, find 0/0 [ 1742.164577][T27198] Free swap = 0kB [ 1742.168306][T27198] Total swap = 0kB [ 1742.172165][T27198] 1965979 pages RAM [ 1742.176053][T27198] 0 pages HighMem/MovableOnly [ 1742.180732][T27198] 349901 pages reserved [ 1742.185148][T27198] 0 pages cma reserved [ 1742.189348][T27198] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=9796,uid=0 [ 1742.203803][T27198] Out of memory: Killed process 9796 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1742.222512][ T1151] oom_reaper: reaped process 9796 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1742.308510][ T7248] syz-executor.4 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1742.336867][ T7248] CPU: 0 PID: 7248 Comm: syz-executor.4 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1742.346686][ T7248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1742.356775][ T7248] Call Trace: [ 1742.360088][ T7248] dump_stack+0x18f/0x20d [ 1742.364442][ T7248] dump_header+0x106/0x60f [ 1742.368878][ T7248] oom_kill_process.cold+0x10/0x15 [ 1742.374014][ T7248] out_of_memory+0x326/0x1340 [ 1742.378713][ T7248] ? oom_killer_disable+0x270/0x270 [ 1742.383925][ T7248] ? mutex_trylock+0x246/0x2c0 [ 1742.388698][ T7248] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1742.395425][ T7248] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1742.402054][ T7248] ? warn_alloc+0x120/0x120 [ 1742.406835][ T7248] ? fs_reclaim_release+0x94/0xf0 [ 1742.411861][ T7248] ? lock_is_held_type+0xb0/0xe0 [ 1742.416797][ T7248] ? find_get_entry+0x3b2/0x8a0 [ 1742.421662][ T7248] __alloc_pages_nodemask+0x5a3/0x700 [ 1742.427040][ T7248] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1742.433800][ T7248] ? page_cache_readahead_unbounded+0x572/0x850 [ 1742.440041][ T7248] ? __lock_page_or_retry+0x650/0x650 [ 1742.445428][ T7248] alloc_pages_current+0x187/0x280 [ 1742.450556][ T7248] __page_cache_alloc+0x31e/0x450 [ 1742.455592][ T7248] pagecache_get_page+0x2a6/0xf70 [ 1742.460625][ T7248] ? __do_page_cache_readahead+0xc2/0xf0 [ 1742.466264][ T7248] filemap_fault+0x1a94/0x2ab0 [ 1742.471045][ T7248] ext4_filemap_fault+0x87/0xb6 [ 1742.475897][ T7248] __do_fault+0x10d/0x4d0 [ 1742.480255][ T7248] handle_mm_fault+0x37a3/0x43f0 [ 1742.485197][ T7248] ? apply_to_existing_page_range+0x40/0x40 [ 1742.491101][ T7248] do_user_addr_fault+0x5a2/0xd00 [ 1742.496136][ T7248] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1742.501682][ T7248] exc_page_fault+0xab/0x170 [ 1742.506275][ T7248] ? asm_exc_page_fault+0x8/0x30 [ 1742.511230][ T7248] asm_exc_page_fault+0x1e/0x30 [ 1742.516083][ T7248] RIP: 0033:0x4106ae [ 1742.519960][ T7248] Code: Bad RIP value. [ 1742.524018][ T7248] RSP: 002b:00007ffee9a46ec0 EFLAGS: 00010206 [ 1742.530076][ T7248] RAX: 000000000018f6f8 RBX: 000000000018f174 RCX: 000000000018f6a0 [ 1742.538041][ T7248] RDX: 0000001b2d320000 RSI: 0000000000000000 RDI: 0000000000000001 [ 1742.546003][ T7248] RBP: 0000000000000b02 R08: 0000000000000001 R09: 00000000012ad940 [ 1742.555630][ T7248] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1742.563611][ T7248] R13: 00007ffee9a46ef0 R14: 000000000018f174 R15: 00007ffee9a46f00 [ 1742.603611][ T7248] Mem-Info: [ 1742.606814][ T7248] active_anon:202016 inactive_anon:4132 isolated_anon:0 [ 1742.606814][ T7248] active_file:197 inactive_file:209 isolated_file:32 [ 1742.606814][ T7248] unevictable:0 dirty:421 writeback:0 [ 1742.606814][ T7248] slab_reclaimable:14640 slab_unreclaimable:96793 [ 1742.606814][ T7248] mapped:53381 shmem:4360 pagetables:9515 bounce:0 [ 1742.606814][ T7248] free:13763 free_pcp:0 free_cma:0 [ 1742.697528][ T7248] Node 0 active_anon:807908kB inactive_anon:16524kB active_file:716kB inactive_file:988kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 661504kB writeback_tmp:0kB kernel_stack:18976kB all_unreclaimable? no [ 1742.790759][ T7248] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1742.834218][ T7248] Node 0 DMA free:10168kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1742.866878][ T7248] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1742.872664][ T7248] Node 0 DMA32 free:17896kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:803812kB inactive_anon:16524kB active_file:1276kB inactive_file:840kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:37972kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1742.903965][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1742.908899][ T7248] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1742.967756][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1742.972483][ T7248] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1743.041196][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1743.051253][ T7248] Node 0 DMA: 0*4kB 3*8kB (U) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10168kB [ 1743.081907][ T7248] Node 0 DMA32: 2204*4kB (ME) 678*8kB (ME) 126*16kB (ME) 26*32kB (M) 1*64kB (U) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17920kB [ 1743.110984][ T7248] 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 [ 1743.143523][ T7248] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1743.183523][ T7248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1743.193137][ T7248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1743.233541][ T7248] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1743.243130][ T7248] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1743.284340][ T7248] 4812 total pagecache pages [ 1743.288974][ T7248] 0 pages in swap cache [ 1743.293138][ T7248] Swap cache stats: add 0, delete 0, find 0/0 [ 1743.305620][ T7248] Free swap = 0kB [ 1743.309454][ T7248] Total swap = 0kB [ 1743.313193][ T7248] 1965979 pages RAM [ 1743.358947][ T7248] 0 pages HighMem/MovableOnly [ 1743.372678][ T7248] 349901 pages reserved [ 1743.386582][ T7248] 0 pages cma reserved [ 1743.390680][ T7248] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=9640,uid=0 [ 1743.425135][ T7248] Out of memory: Killed process 9640 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1743.696642][ T6508] in:imklog invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1743.779406][ T6508] CPU: 1 PID: 6508 Comm: in:imklog Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1743.788812][ T6508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1743.798876][ T6508] Call Trace: [ 1743.802217][ T6508] dump_stack+0x18f/0x20d [ 1743.806565][ T6508] dump_header+0x106/0x60f [ 1743.811003][ T6508] oom_kill_process.cold+0x10/0x15 [ 1743.816134][ T6508] out_of_memory+0x326/0x1340 [ 1743.820830][ T6508] ? oom_killer_disable+0x270/0x270 [ 1743.826040][ T6508] ? mutex_trylock+0x246/0x2c0 [ 1743.830845][ T6508] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1743.837542][ T6508] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1743.844173][ T6508] ? warn_alloc+0x120/0x120 [ 1743.848694][ T6508] ? fs_reclaim_release+0x94/0xf0 [ 1743.853743][ T6508] ? lock_is_held_type+0xb0/0xe0 [ 1743.858695][ T6508] ? find_get_entry+0x3b2/0x8a0 [ 1743.863597][ T6508] __alloc_pages_nodemask+0x5a3/0x700 [ 1743.868990][ T6508] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1743.875773][ T6508] ? page_cache_readahead_unbounded+0x572/0x850 [ 1743.882033][ T6508] ? __lock_page_or_retry+0x650/0x650 [ 1743.887423][ T6508] alloc_pages_current+0x187/0x280 [ 1743.893525][ T6508] __page_cache_alloc+0x31e/0x450 [ 1743.898575][ T6508] pagecache_get_page+0x2a6/0xf70 [ 1743.903621][ T6508] ? __do_page_cache_readahead+0xc2/0xf0 [ 1743.909280][ T6508] filemap_fault+0x1a94/0x2ab0 [ 1743.914072][ T6508] ext4_filemap_fault+0x87/0xb6 [ 1743.918957][ T6508] __do_fault+0x10d/0x4d0 [ 1743.923317][ T6508] handle_mm_fault+0x37a3/0x43f0 [ 1743.928287][ T6508] ? apply_to_existing_page_range+0x40/0x40 [ 1743.935176][ T6508] do_user_addr_fault+0x5a2/0xd00 [ 1743.940221][ T6508] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1743.945784][ T6508] exc_page_fault+0xab/0x170 [ 1743.950386][ T6508] ? asm_exc_page_fault+0x8/0x30 [ 1743.955343][ T6508] asm_exc_page_fault+0x1e/0x30 [ 1743.960212][ T6508] RIP: 0033:0x7fefec55522d [ 1743.964627][ T6508] Code: Bad RIP value. [ 1743.968696][ T6508] RSP: 002b:00007fefe9ef1580 EFLAGS: 00010293 [ 1743.974771][ T6508] RAX: 0000000000000955 RBX: 0000000000000000 RCX: 00007fefec55522d [ 1743.982755][ T6508] RDX: 0000000000001fa0 RSI: 00007fefe9ef1da0 RDI: 0000000000000004 [ 1743.990735][ T6508] RBP: 00005623e0e7c9d0 R08: 0000000000000000 R09: 0000000000000000 [ 1743.998808][ T6508] R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007fefe9ef1da0 [ 1744.006792][ T6508] R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007fefe9ef3c5e [ 1744.183668][ T6508] Mem-Info: [ 1744.186870][ T6508] active_anon:201477 inactive_anon:4132 isolated_anon:0 [ 1744.186870][ T6508] active_file:178 inactive_file:234 isolated_file:24 [ 1744.186870][ T6508] unevictable:0 dirty:424 writeback:0 [ 1744.186870][ T6508] slab_reclaimable:14640 slab_unreclaimable:96505 [ 1744.186870][ T6508] mapped:53381 shmem:4360 pagetables:9489 bounce:0 [ 1744.186870][ T6508] free:13683 free_pcp:117 free_cma:0 [ 1744.223981][ T6508] Node 0 active_anon:805752kB inactive_anon:16524kB active_file:808kB inactive_file:740kB unevictable:0kB isolated(anon):0kB isolated(file):96kB mapped:213524kB dirty:1696kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 659456kB writeback_tmp:0kB kernel_stack:18848kB all_unreclaimable? no [ 1744.254226][ T6508] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1744.299275][ T6508] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:20kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1744.361283][ T6508] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1744.379213][ T6508] Node 0 DMA32 free:17596kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:801656kB inactive_anon:16524kB active_file:384kB inactive_file:884kB unevictable:0kB writepending:1696kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:37868kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 1744.420909][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1744.426623][ T6508] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1744.453355][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1744.458142][ T6508] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1744.513492][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1744.518230][ T6508] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 1*32kB (U) 0*64kB 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10160kB [ 1744.564708][ T6508] Node 0 DMA32: 2213*4kB (ME) 680*8kB (ME) 126*16kB (ME) 26*32kB (M) 1*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17332kB [ 1744.586676][ T6508] 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 [ 1744.599089][ T6508] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1744.616398][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1744.643967][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1744.653315][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1744.683562][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1744.692879][ T6508] 4801 total pagecache pages [ 1744.716320][ T6508] 0 pages in swap cache [ 1744.720529][ T6508] Swap cache stats: add 0, delete 0, find 0/0 [ 1744.743495][ T6508] Free swap = 0kB [ 1744.747344][ T6508] Total swap = 0kB [ 1744.751075][ T6508] 1965979 pages RAM [ 1744.763512][ T6508] 0 pages HighMem/MovableOnly [ 1744.768208][ T6508] 349901 pages reserved [ 1744.772340][ T6508] 0 pages cma reserved [ 1744.776493][ T6508] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=9631,uid=0 [ 1744.790815][ T6508] Out of memory: Killed process 9631 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1745.035260][ T3879] systemd-udevd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=-1000 [ 1745.055312][ T3879] CPU: 0 PID: 3879 Comm: systemd-udevd Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1745.065059][ T3879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1745.075149][ T3879] Call Trace: [ 1745.078462][ T3879] dump_stack+0x18f/0x20d [ 1745.082807][ T3879] dump_header+0x106/0x60f [ 1745.087239][ T3879] oom_kill_process.cold+0x10/0x15 [ 1745.092371][ T3879] out_of_memory+0x326/0x1340 [ 1745.097072][ T3879] ? oom_killer_disable+0x270/0x270 [ 1745.102289][ T3879] ? mutex_trylock+0x246/0x2c0 [ 1745.107070][ T3879] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1745.113785][ T3879] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1745.120409][ T3879] ? warn_alloc+0x120/0x120 [ 1745.125892][ T3879] ? fs_reclaim_release+0x94/0xf0 [ 1745.130909][ T3879] ? lock_is_held_type+0xb0/0xe0 [ 1745.135833][ T3879] ? find_get_entry+0x3b2/0x8a0 [ 1745.140675][ T3879] __alloc_pages_nodemask+0x5a3/0x700 [ 1745.146043][ T3879] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1745.152810][ T3879] ? page_cache_readahead_unbounded+0x572/0x850 [ 1745.159051][ T3879] ? __lock_page_or_retry+0x650/0x650 [ 1745.164419][ T3879] alloc_pages_current+0x187/0x280 [ 1745.169524][ T3879] __page_cache_alloc+0x31e/0x450 [ 1745.174543][ T3879] pagecache_get_page+0x2a6/0xf70 [ 1745.179574][ T3879] ? __do_page_cache_readahead+0xc2/0xf0 [ 1745.185213][ T3879] filemap_fault+0x1a94/0x2ab0 [ 1745.189969][ T3879] ext4_filemap_fault+0x87/0xb6 [ 1745.194818][ T3879] __do_fault+0x10d/0x4d0 [ 1745.199138][ T3879] handle_mm_fault+0x37a3/0x43f0 [ 1745.204083][ T3879] ? apply_to_existing_page_range+0x40/0x40 [ 1745.209968][ T3879] do_user_addr_fault+0x5a2/0xd00 [ 1745.214991][ T3879] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1745.220525][ T3879] exc_page_fault+0xab/0x170 [ 1745.225103][ T3879] ? asm_exc_page_fault+0x8/0x30 [ 1745.230027][ T3879] asm_exc_page_fault+0x1e/0x30 [ 1745.235558][ T3879] RIP: 0033:0x7fcd42813e50 [ 1745.239953][ T3879] Code: Bad RIP value. [ 1745.244054][ T3879] RSP: 002b:00007ffc09e03948 EFLAGS: 00010246 [ 1745.250145][ T3879] RAX: 0000000000000000 RBX: 000055bbe30b8140 RCX: 000055bbe30b8101 [ 1745.258137][ T3879] RDX: 00007ffc09e03801 RSI: 000055bbe298d67b RDI: 000055bbe30b8140 [ 1745.266887][ T3879] RBP: 000055bbe2990266 R08: 00007fcd42a881f8 R09: 0000000000001010 [ 1745.274867][ T3879] R10: 00007fcd42a87b58 R11: 0000000000000246 R12: 000055bbe298d856 [ 1745.282848][ T3879] R13: 000055bbe298d67b R14: 00000000ffffffea R15: 000055bbe30b5d30 [ 1745.337935][ T3879] Mem-Info: [ 1745.341077][ T3879] active_anon:200943 inactive_anon:4132 isolated_anon:0 [ 1745.341077][ T3879] active_file:259 inactive_file:197 isolated_file:0 [ 1745.341077][ T3879] unevictable:0 dirty:421 writeback:0 [ 1745.341077][ T3879] slab_reclaimable:14640 slab_unreclaimable:96454 [ 1745.341077][ T3879] mapped:53381 shmem:4360 pagetables:9489 bounce:0 [ 1745.341077][ T3879] free:13747 free_pcp:0 free_cma:0 [ 1745.377894][ T3879] Node 0 active_anon:803616kB inactive_anon:16524kB active_file:1032kB inactive_file:788kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 659456kB writeback_tmp:0kB kernel_stack:18752kB all_unreclaimable? no [ 1745.408106][ T3879] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1745.461613][ T3879] Node 0 DMA free:10152kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4096kB inactive_anon:0kB active_file:4kB inactive_file:40kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1745.498764][ T3879] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1745.504585][ T3879] Node 0 DMA32 free:17564kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:799520kB inactive_anon:16524kB active_file:932kB inactive_file:780kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:37868kB bounce:0kB free_pcp:236kB local_pcp:0kB free_cma:0kB [ 1745.542131][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1745.547956][ T3879] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1745.580617][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1745.594865][ T3879] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1745.632653][ T3879] lowmem_reserve[]: 0 0 0 0 0 [ 1745.637566][ T3879] Node 0 DMA: 1*4kB (M) 1*8kB (M) 2*16kB (UM) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10156kB [ 1745.654364][ T3879] Node 0 DMA32: 2222*4kB (ME) 682*8kB (ME) 126*16kB (ME) 26*32kB (M) 1*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17384kB [ 1745.669900][ T3879] 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 [ 1745.686124][ T3879] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1745.710819][ T3879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1745.726536][ T3879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1745.742586][ T3879] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1745.762861][ T3879] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1745.776611][ T3879] 4800 total pagecache pages [ 1745.781211][ T3879] 0 pages in swap cache [ 1745.785442][ T3879] Swap cache stats: add 0, delete 0, find 0/0 [ 1745.791531][ T3879] Free swap = 0kB [ 1745.795318][ T3879] Total swap = 0kB [ 1745.799040][ T3879] 1965979 pages RAM [ 1745.802839][ T3879] 0 pages HighMem/MovableOnly [ 1745.807585][ T3879] 349901 pages reserved [ 1745.811744][ T3879] 0 pages cma reserved [ 1745.815877][ T3879] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=9618,uid=0 [ 1745.831887][ T3879] Out of memory: Killed process 9618 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1745.899148][ T3873] systemd-journal invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1745.921122][ T3873] CPU: 1 PID: 3873 Comm: systemd-journal Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1745.931029][ T3873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1745.941099][ T3873] Call Trace: [ 1745.944582][ T3873] dump_stack+0x18f/0x20d [ 1745.948944][ T3873] dump_header+0x106/0x60f [ 1745.953389][ T3873] oom_kill_process.cold+0x10/0x15 [ 1745.958507][ T3873] out_of_memory+0x326/0x1340 [ 1745.963198][ T3873] ? oom_killer_disable+0x270/0x270 [ 1745.968401][ T3873] ? mutex_trylock+0x246/0x2c0 [ 1745.973180][ T3873] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1745.980402][ T3873] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1745.987021][ T3873] ? warn_alloc+0x120/0x120 [ 1745.991524][ T3873] ? fs_reclaim_release+0x94/0xf0 [ 1745.996570][ T3873] ? lock_is_held_type+0xb0/0xe0 [ 1746.001510][ T3873] ? find_get_entry+0x3b2/0x8a0 [ 1746.006380][ T3873] __alloc_pages_nodemask+0x5a3/0x700 [ 1746.011759][ T3873] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1746.018529][ T3873] ? page_cache_readahead_unbounded+0x572/0x850 [ 1746.024776][ T3873] ? __lock_page_or_retry+0x650/0x650 [ 1746.030594][ T3873] alloc_pages_current+0x187/0x280 [ 1746.036147][ T3873] __page_cache_alloc+0x31e/0x450 [ 1746.041179][ T3873] pagecache_get_page+0x2a6/0xf70 [ 1746.046200][ T3873] ? __do_page_cache_readahead+0xc2/0xf0 [ 1746.051816][ T3873] filemap_fault+0x1a94/0x2ab0 [ 1746.056581][ T3873] ext4_filemap_fault+0x87/0xb6 [ 1746.061436][ T3873] __do_fault+0x10d/0x4d0 [ 1746.065764][ T3873] handle_mm_fault+0x37a3/0x43f0 [ 1746.070711][ T3873] ? apply_to_existing_page_range+0x40/0x40 [ 1746.076622][ T3873] do_user_addr_fault+0x5a2/0xd00 [ 1746.081640][ T3873] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1746.087183][ T3873] exc_page_fault+0xab/0x170 [ 1746.091785][ T3873] ? asm_exc_page_fault+0x8/0x30 [ 1746.096732][ T3873] asm_exc_page_fault+0x1e/0x30 [ 1746.101586][ T3873] RIP: 0033:0x7fb1de32f2e3 [ 1746.105993][ T3873] Code: Bad RIP value. [ 1746.110052][ T3873] RSP: 002b:00007ffe3d83c058 EFLAGS: 00010246 [ 1746.116116][ T3873] RAX: 0000000000000001 RBX: 000055ce75f621e0 RCX: 00007fb1de32f2e3 [ 1746.124109][ T3873] RDX: 0000000000000013 RSI: 00007ffe3d83c060 RDI: 0000000000000008 [ 1746.132074][ T3873] RBP: 00007ffe3d83c250 R08: 0000000000000000 R09: 00007ffe3d91e080 [ 1746.140040][ T3873] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3d83c060 [ 1746.148041][ T3873] R13: 0000000000000001 R14: ffffffffffffffff R15: 0005a9e6550b3dc4 [ 1746.186976][ T3873] Mem-Info: [ 1746.190132][ T3873] active_anon:200402 inactive_anon:4132 isolated_anon:0 [ 1746.190132][ T3873] active_file:245 inactive_file:206 isolated_file:23 [ 1746.190132][ T3873] unevictable:0 dirty:421 writeback:0 [ 1746.190132][ T3873] slab_reclaimable:14640 slab_unreclaimable:96482 [ 1746.190132][ T3873] mapped:53381 shmem:4360 pagetables:9426 bounce:0 [ 1746.190132][ T3873] free:13743 free_pcp:110 free_cma:0 [ 1746.234192][ T3873] Node 0 active_anon:801452kB inactive_anon:16524kB active_file:972kB inactive_file:692kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 657408kB writeback_tmp:0kB kernel_stack:18752kB all_unreclaimable? no [ 1746.264862][ T3873] Node 1 active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1746.311855][ T3873] Node 0 DMA free:10156kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:4kB inactive_file:20kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1746.340423][ T3873] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1746.346721][ T3873] Node 0 DMA32 free:17732kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:797352kB inactive_anon:16524kB active_file:1072kB inactive_file:620kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:37616kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB [ 1746.379664][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1746.384408][ T3873] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1746.414106][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1746.418812][ T3873] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1746.461625][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1746.467653][ T3873] Node 0 DMA: 1*4kB (M) 1*8kB (M) 2*16kB (UM) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10156kB [ 1746.484737][ T3873] Node 0 DMA32: 2235*4kB (ME) 684*8kB (ME) 127*16kB (UME) 27*32kB (UM) 0*64kB 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17692kB [ 1746.499798][ T3873] 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 [ 1746.511287][ T3873] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1746.528398][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1746.539904][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1746.549257][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1746.568240][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1746.605766][ T3873] 4800 total pagecache pages [ 1746.610396][ T3873] 0 pages in swap cache [ 1746.616548][ T3873] Swap cache stats: add 0, delete 0, find 0/0 [ 1746.622622][ T3873] Free swap = 0kB [ 1746.626408][ T3873] Total swap = 0kB [ 1746.630131][ T3873] 1965979 pages RAM [ 1746.633979][ T3873] 0 pages HighMem/MovableOnly [ 1746.638651][ T3873] 349901 pages reserved [ 1746.642793][ T3873] 0 pages cma reserved [ 1746.646929][ T3873] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=9611,uid=0 [ 1746.661286][ T3873] Out of memory: Killed process 9611 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1746.680306][ T1151] oom_reaper: reaped process 9611 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1746.703354][ T7248] syz-executor.4 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1746.752772][ T7248] CPU: 0 PID: 7248 Comm: syz-executor.4 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1746.763387][ T7248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1746.773473][ T7248] Call Trace: [ 1746.776810][ T7248] dump_stack+0x18f/0x20d [ 1746.781133][ T7248] dump_header+0x106/0x60f [ 1746.785540][ T7248] oom_kill_process.cold+0x10/0x15 [ 1746.790640][ T7248] out_of_memory+0x326/0x1340 [ 1746.795342][ T7248] ? oom_killer_disable+0x270/0x270 [ 1746.800530][ T7248] ? mutex_trylock+0x246/0x2c0 [ 1746.805311][ T7248] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1746.811978][ T7248] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1746.818572][ T7248] ? warn_alloc+0x120/0x120 [ 1746.823073][ T7248] ? fs_reclaim_release+0x94/0xf0 [ 1746.828107][ T7248] ? lock_is_held_type+0xb0/0xe0 [ 1746.833040][ T7248] ? find_get_entry+0x3b2/0x8a0 [ 1746.837912][ T7248] __alloc_pages_nodemask+0x5a3/0x700 [ 1746.843290][ T7248] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1746.850051][ T7248] ? page_cache_readahead_unbounded+0x572/0x850 [ 1746.856291][ T7248] ? __lock_page_or_retry+0x650/0x650 [ 1746.861662][ T7248] alloc_pages_current+0x187/0x280 [ 1746.866762][ T7248] __page_cache_alloc+0x31e/0x450 [ 1746.871778][ T7248] pagecache_get_page+0x2a6/0xf70 [ 1746.876804][ T7248] ? __do_page_cache_readahead+0xc2/0xf0 [ 1746.882443][ T7248] filemap_fault+0x1a94/0x2ab0 [ 1746.887201][ T7248] ext4_filemap_fault+0x87/0xb6 [ 1746.892052][ T7248] __do_fault+0x10d/0x4d0 [ 1746.896389][ T7248] handle_mm_fault+0x37a3/0x43f0 [ 1746.901332][ T7248] ? apply_to_existing_page_range+0x40/0x40 [ 1746.907234][ T7248] do_user_addr_fault+0x5a2/0xd00 [ 1746.912256][ T7248] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1746.917793][ T7248] exc_page_fault+0xab/0x170 [ 1746.922381][ T7248] ? asm_exc_page_fault+0x8/0x30 [ 1746.927321][ T7248] asm_exc_page_fault+0x1e/0x30 [ 1746.932158][ T7248] RIP: 0033:0x4106ae [ 1746.936028][ T7248] Code: Bad RIP value. [ 1746.940080][ T7248] RSP: 002b:00007ffee9a46ec0 EFLAGS: 00010206 [ 1746.946485][ T7248] RAX: 000000000018f6f8 RBX: 000000000018f174 RCX: 000000000018f6a0 [ 1746.954444][ T7248] RDX: 0000001b2d320000 RSI: 0000000000000000 RDI: 0000000000000001 [ 1746.962412][ T7248] RBP: 0000000000000b02 R08: 0000000000000001 R09: 00000000012ad940 [ 1746.970396][ T7248] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1746.978399][ T7248] R13: 00007ffee9a46ef0 R14: 000000000018f174 R15: 00007ffee9a46f00 [ 1747.041007][ T7248] Mem-Info: [ 1747.044233][ T7248] active_anon:199863 inactive_anon:4132 isolated_anon:0 [ 1747.044233][ T7248] active_file:207 inactive_file:207 isolated_file:0 [ 1747.044233][ T7248] unevictable:0 dirty:421 writeback:0 [ 1747.044233][ T7248] slab_reclaimable:14631 slab_unreclaimable:96359 [ 1747.044233][ T7248] mapped:53381 shmem:4360 pagetables:9400 bounce:0 [ 1747.044233][ T7248] free:13768 free_pcp:62 free_cma:0 [ 1747.080960][ T7248] Node 0 active_anon:799296kB inactive_anon:16524kB active_file:928kB inactive_file:856kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 655360kB writeback_tmp:0kB kernel_stack:18752kB all_unreclaimable? no [ 1747.110800][ T7248] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1747.142245][ T7248] Node 0 DMA free:10156kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:12kB inactive_file:8kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1747.190789][ T7248] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1747.196607][ T7248] Node 0 DMA32 free:17912kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:795196kB inactive_anon:16524kB active_file:880kB inactive_file:872kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:37512kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 1747.228079][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1747.234562][ T7248] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1747.271105][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1747.275961][ T7248] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1747.318514][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1747.323234][ T7248] Node 0 DMA: 2*4kB (UM) 1*8kB (M) 2*16kB (UM) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10160kB [ 1747.339307][ T7248] Node 0 DMA32: 2237*4kB (UME) 686*8kB (UME) 127*16kB (UME) 26*32kB (M) 0*64kB 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17684kB [ 1747.354454][ T7248] 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 [ 1747.367013][ T7248] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1747.402931][ T7248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1747.416905][ T7248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1747.441509][ T7248] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1747.451172][ T7248] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1747.463594][ T7248] 4800 total pagecache pages [ 1747.468201][ T7248] 0 pages in swap cache [ 1747.472356][ T7248] Swap cache stats: add 0, delete 0, find 0/0 [ 1747.479296][ T7248] Free swap = 0kB [ 1747.483027][ T7248] Total swap = 0kB [ 1747.486796][ T7248] 1965979 pages RAM [ 1747.490599][ T7248] 0 pages HighMem/MovableOnly [ 1747.495342][ T7248] 349901 pages reserved [ 1747.499490][ T7248] 0 pages cma reserved [ 1747.503619][ T7248] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=9598,uid=0 [ 1747.518043][ T7248] Out of memory: Killed process 9598 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1747.558945][ T4427] systemd-timesyn invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1747.570378][ T4427] CPU: 1 PID: 4427 Comm: systemd-timesyn Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1747.580275][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1747.590320][ T4427] Call Trace: [ 1747.593619][ T4427] dump_stack+0x18f/0x20d [ 1747.597967][ T4427] dump_header+0x106/0x60f [ 1747.602415][ T4427] oom_kill_process.cold+0x10/0x15 [ 1747.607535][ T4427] out_of_memory+0x326/0x1340 [ 1747.612223][ T4427] ? oom_killer_disable+0x270/0x270 [ 1747.617432][ T4427] ? mutex_trylock+0x246/0x2c0 [ 1747.622202][ T4427] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1747.628892][ T4427] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1747.635540][ T4427] ? warn_alloc+0x120/0x120 [ 1747.640065][ T4427] ? fs_reclaim_release+0x94/0xf0 [ 1747.645107][ T4427] ? lock_is_held_type+0xb0/0xe0 [ 1747.650055][ T4427] ? find_get_entry+0x3b2/0x8a0 [ 1747.654927][ T4427] __alloc_pages_nodemask+0x5a3/0x700 [ 1747.660315][ T4427] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1747.667091][ T4427] ? page_cache_readahead_unbounded+0x572/0x850 [ 1747.673347][ T4427] ? __lock_page_or_retry+0x650/0x650 [ 1747.678738][ T4427] alloc_pages_current+0x187/0x280 [ 1747.683864][ T4427] __page_cache_alloc+0x31e/0x450 [ 1747.688899][ T4427] pagecache_get_page+0x2a6/0xf70 [ 1747.693927][ T4427] ? __do_page_cache_readahead+0xc2/0xf0 [ 1747.699599][ T4427] filemap_fault+0x1a94/0x2ab0 [ 1747.704385][ T4427] ext4_filemap_fault+0x87/0xb6 [ 1747.709234][ T4427] __do_fault+0x10d/0x4d0 [ 1747.713562][ T4427] handle_mm_fault+0x37a3/0x43f0 [ 1747.718511][ T4427] ? apply_to_existing_page_range+0x40/0x40 [ 1747.724433][ T4427] do_user_addr_fault+0x5a2/0xd00 [ 1747.729474][ T4427] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1747.735031][ T4427] exc_page_fault+0xab/0x170 [ 1747.739630][ T4427] ? asm_exc_page_fault+0x8/0x30 [ 1747.744581][ T4427] asm_exc_page_fault+0x1e/0x30 [ 1747.749424][ T4427] RIP: 0033:0x7f9e5fba5303 [ 1747.753841][ T4427] Code: Bad RIP value. [ 1747.757899][ T4427] RSP: 002b:00007fff51298500 EFLAGS: 00010293 [ 1747.763952][ T4427] RAX: 0000000000000001 RBX: 00005652ca80f8f0 RCX: 00007f9e5fba5303 [ 1747.772371][ T4427] RDX: 0000000000000006 RSI: 00007fff51298510 RDI: 0000000000000004 [ 1747.780346][ T4427] RBP: 00007fff51298660 R08: 0000000000000000 R09: 000000000000000d [ 1747.788319][ T4427] R10: 00000000ffffffff R11: 0000000000000293 R12: 00007fff51298510 [ 1747.796297][ T4427] R13: 0000000000000001 R14: ffffffffffffffff R15: 0000000000000000 [ 1747.813460][ T4427] Mem-Info: [ 1747.816808][ T4427] active_anon:199321 inactive_anon:4132 isolated_anon:0 [ 1747.816808][ T4427] active_file:149 inactive_file:244 isolated_file:31 [ 1747.816808][ T4427] unevictable:0 dirty:421 writeback:0 [ 1747.816808][ T4427] slab_reclaimable:14631 slab_unreclaimable:96419 [ 1747.816808][ T4427] mapped:53381 shmem:4360 pagetables:9374 bounce:0 [ 1747.816808][ T4427] free:13787 free_pcp:0 free_cma:0 [ 1747.864141][ T4427] Node 0 active_anon:797128kB inactive_anon:16524kB active_file:1076kB inactive_file:832kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 653312kB writeback_tmp:0kB kernel_stack:18720kB all_unreclaimable? no [ 1747.893985][ T4427] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1747.921863][ T4427] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:28kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1747.955068][ T4427] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1747.960855][ T4427] Node 0 DMA32 free:17940kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:793028kB inactive_anon:16524kB active_file:672kB inactive_file:928kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:37408kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1747.991216][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1747.996059][ T4427] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1748.036315][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1748.041028][ T4427] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1748.074131][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1748.078850][ T4427] Node 0 DMA: 2*4kB (UM) 1*8kB (M) 2*16kB (UM) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10160kB [ 1748.101863][ T4427] Node 0 DMA32: 2244*4kB (ME) 687*8kB (ME) 127*16kB (UME) 26*32kB (M) 0*64kB 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17720kB [ 1748.123037][ T4427] 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 [ 1748.149412][ T4427] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1748.170077][ T4427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1748.179703][ T4427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1748.198289][ T4427] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1748.207982][ T4427] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1748.221043][ T4427] 4804 total pagecache pages [ 1748.226194][ T4427] 0 pages in swap cache [ 1748.230340][ T4427] Swap cache stats: add 0, delete 0, find 0/0 [ 1748.236459][ T4427] Free swap = 0kB [ 1748.240180][ T4427] Total swap = 0kB [ 1748.244706][ T4427] 1965979 pages RAM [ 1748.248526][ T4427] 0 pages HighMem/MovableOnly [ 1748.253201][ T4427] 349901 pages reserved [ 1748.271843][ T4427] 0 pages cma reserved [ 1748.280887][ T4427] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=9590,uid=0 [ 1748.303374][ T4427] Out of memory: Killed process 9590 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1748.330222][ T1151] oom_reaper: reaped process 9590 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1748.390786][ T1] systemd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1748.448805][ T1] CPU: 1 PID: 1 Comm: systemd Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1748.457779][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1748.467840][ T1] Call Trace: [ 1748.471151][ T1] dump_stack+0x18f/0x20d [ 1748.475498][ T1] dump_header+0x106/0x60f [ 1748.479928][ T1] oom_kill_process.cold+0x10/0x15 [ 1748.485055][ T1] out_of_memory+0x326/0x1340 [ 1748.489771][ T1] ? oom_killer_disable+0x270/0x270 [ 1748.494983][ T1] ? mutex_trylock+0x246/0x2c0 [ 1748.499746][ T1] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1748.506428][ T1] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1748.513022][ T1] ? warn_alloc+0x120/0x120 [ 1748.517526][ T1] ? fs_reclaim_release+0x94/0xf0 [ 1748.522576][ T1] ? lock_is_held_type+0xb0/0xe0 [ 1748.527539][ T1] ? find_get_entry+0x3b2/0x8a0 [ 1748.532426][ T1] __alloc_pages_nodemask+0x5a3/0x700 [ 1748.537830][ T1] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1748.544617][ T1] ? page_cache_readahead_unbounded+0x572/0x850 [ 1748.550874][ T1] ? __lock_page_or_retry+0x650/0x650 [ 1748.556268][ T1] alloc_pages_current+0x187/0x280 [ 1748.561398][ T1] __page_cache_alloc+0x31e/0x450 [ 1748.566439][ T1] pagecache_get_page+0x2a6/0xf70 [ 1748.571496][ T1] ? __do_page_cache_readahead+0xc2/0xf0 [ 1748.577137][ T1] filemap_fault+0x1a94/0x2ab0 [ 1748.581917][ T1] ext4_filemap_fault+0x87/0xb6 [ 1748.586776][ T1] __do_fault+0x10d/0x4d0 [ 1748.591125][ T1] handle_mm_fault+0x37a3/0x43f0 [ 1748.596080][ T1] ? apply_to_existing_page_range+0x40/0x40 [ 1748.601975][ T1] ? vmacache_update+0xce/0x140 [ 1748.606829][ T1] do_user_addr_fault+0x5a2/0xd00 [ 1748.611873][ T1] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1748.617440][ T1] exc_page_fault+0xab/0x170 [ 1748.622044][ T1] ? asm_exc_page_fault+0x8/0x30 [ 1748.627009][ T1] asm_exc_page_fault+0x1e/0x30 [ 1748.631951][ T1] RIP: 0033:0x7f65bb0fc303 [ 1748.636359][ T1] Code: Bad RIP value. [ 1748.640422][ T1] RSP: 002b:00007ffc671f0140 EFLAGS: 00010293 [ 1748.646480][ T1] RAX: 0000000000000001 RBX: 000056361fabcf50 RCX: 00007f65bb0fc303 [ 1748.654446][ T1] RDX: 0000000000000025 RSI: 00007ffc671f0150 RDI: 0000000000000004 [ 1748.662419][ T1] RBP: 00007ffc671f0410 R08: 88c28ea7978d42a3 R09: 0000000000004f60 [ 1748.670388][ T1] R10: 00000000ffffffff R11: 0000000000000293 R12: 00007ffc671f0150 [ 1748.678388][ T1] R13: 0000000000000001 R14: ffffffffffffffff R15: 0000000000000002 [ 1748.717633][ T1] Mem-Info: [ 1748.720785][ T1] active_anon:198773 inactive_anon:4132 isolated_anon:0 [ 1748.720785][ T1] active_file:275 inactive_file:144 isolated_file:32 [ 1748.720785][ T1] unevictable:0 dirty:421 writeback:0 [ 1748.720785][ T1] slab_reclaimable:14631 slab_unreclaimable:96624 [ 1748.720785][ T1] mapped:53381 shmem:4360 pagetables:9359 bounce:0 [ 1748.720785][ T1] free:13775 free_pcp:62 free_cma:0 [ 1748.757677][ T1] Node 0 active_anon:794936kB inactive_anon:16524kB active_file:1036kB inactive_file:840kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 649216kB writeback_tmp:0kB kernel_stack:18720kB all_unreclaimable? no [ 1748.790118][ T1] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1748.824352][ T1] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:28kB inactive_file:24kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1748.863232][ T1] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1748.869295][ T1] Node 0 DMA32 free:17928kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:790836kB inactive_anon:16524kB active_file:900kB inactive_file:764kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:37348kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 1748.900257][ T1] lowmem_reserve[]: 0 0 0 0 0 [ 1748.905039][ T1] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1748.932291][ T1] lowmem_reserve[]: 0 0 0 0 0 [ 1748.939100][ T1] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1748.969201][ T1] lowmem_reserve[]: 0 0 0 0 0 [ 1748.978554][ T1] Node 0 DMA: 2*4kB (UM) 1*8kB (M) 2*16kB (UM) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10160kB [ 1748.994642][ T1] Node 0 DMA32: 2250*4kB (UME) 689*8kB (UME) 129*16kB (UME) 26*32kB (M) 0*64kB 0*128kB 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17920kB [ 1749.009363][ T1] 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 [ 1749.021086][ T1] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1749.060728][ T1] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1749.072819][ T1] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1749.082260][ T1] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1749.091887][ T1] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1749.107002][ T1] 4804 total pagecache pages [ 1749.111616][ T1] 0 pages in swap cache [ 1749.117771][ T1] Swap cache stats: add 0, delete 0, find 0/0 [ 1749.124024][ T1] Free swap = 0kB [ 1749.127757][ T1] Total swap = 0kB [ 1749.131670][ T1] 1965979 pages RAM [ 1749.144755][ T1] 0 pages HighMem/MovableOnly [ 1749.149455][ T1] 349901 pages reserved [ 1749.154437][ T1] 0 pages cma reserved [ 1749.158547][ T1] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=9354,uid=0 [ 1749.175083][ T1] Out of memory: Killed process 9354 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1749.222362][ T3873] systemd-journal invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1749.248942][ T3873] CPU: 1 PID: 3873 Comm: systemd-journal Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1749.258880][ T3873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1749.269114][ T3873] Call Trace: [ 1749.272425][ T3873] dump_stack+0x18f/0x20d [ 1749.276769][ T3873] dump_header+0x106/0x60f [ 1749.281225][ T3873] oom_kill_process.cold+0x10/0x15 [ 1749.286485][ T3873] out_of_memory+0x326/0x1340 [ 1749.291186][ T3873] ? oom_killer_disable+0x270/0x270 [ 1749.296404][ T3873] ? mutex_trylock+0x246/0x2c0 [ 1749.301189][ T3873] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1749.307889][ T3873] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1749.314506][ T3873] ? warn_alloc+0x120/0x120 [ 1749.319054][ T3873] ? fs_reclaim_release+0x94/0xf0 [ 1749.324115][ T3873] ? lock_is_held_type+0xb0/0xe0 [ 1749.329060][ T3873] ? find_get_entry+0x3b2/0x8a0 [ 1749.333931][ T3873] __alloc_pages_nodemask+0x5a3/0x700 [ 1749.339318][ T3873] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1749.346100][ T3873] ? page_cache_readahead_unbounded+0x572/0x850 [ 1749.352360][ T3873] ? __lock_page_or_retry+0x650/0x650 [ 1749.357752][ T3873] alloc_pages_current+0x187/0x280 [ 1749.362884][ T3873] __page_cache_alloc+0x31e/0x450 [ 1749.367931][ T3873] pagecache_get_page+0x2a6/0xf70 [ 1749.372988][ T3873] ? __do_page_cache_readahead+0xc2/0xf0 [ 1749.378634][ T3873] filemap_fault+0x1a94/0x2ab0 [ 1749.383418][ T3873] ext4_filemap_fault+0x87/0xb6 [ 1749.388270][ T3873] __do_fault+0x10d/0x4d0 [ 1749.392603][ T3873] handle_mm_fault+0x37a3/0x43f0 [ 1749.397562][ T3873] ? apply_to_existing_page_range+0x40/0x40 [ 1749.403482][ T3873] do_user_addr_fault+0x5a2/0xd00 [ 1749.408512][ T3873] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1749.414423][ T3873] exc_page_fault+0xab/0x170 [ 1749.419028][ T3873] ? asm_exc_page_fault+0x8/0x30 [ 1749.423973][ T3873] asm_exc_page_fault+0x1e/0x30 [ 1749.428853][ T3873] RIP: 0033:0x7fb1de32f2e3 [ 1749.433262][ T3873] Code: Bad RIP value. [ 1749.437327][ T3873] RSP: 002b:00007ffe3d83c058 EFLAGS: 00010246 [ 1749.443419][ T3873] RAX: 0000000000000001 RBX: 000055ce75f621e0 RCX: 00007fb1de32f2e3 [ 1749.451403][ T3873] RDX: 0000000000000013 RSI: 00007ffe3d83c060 RDI: 0000000000000008 [ 1749.459383][ T3873] RBP: 00007ffe3d83c250 R08: 0000000000000000 R09: 00007ffe3d91e080 [ 1749.467362][ T3873] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3d83c060 [ 1749.475346][ T3873] R13: 0000000000000001 R14: ffffffffffffffff R15: 0005a9e6550b3dc4 [ 1749.525703][ T3873] Mem-Info: [ 1749.528981][ T3873] active_anon:198234 inactive_anon:4132 isolated_anon:0 [ 1749.528981][ T3873] active_file:217 inactive_file:194 isolated_file:32 [ 1749.528981][ T3873] unevictable:0 dirty:421 writeback:0 [ 1749.528981][ T3873] slab_reclaimable:14631 slab_unreclaimable:96391 [ 1749.528981][ T3873] mapped:53381 shmem:4360 pagetables:9333 bounce:0 [ 1749.528981][ T3873] free:13770 free_pcp:78 free_cma:0 [ 1749.565936][ T3873] Node 0 active_anon:792780kB inactive_anon:16524kB active_file:1236kB inactive_file:436kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 647168kB writeback_tmp:0kB kernel_stack:18688kB all_unreclaimable? no [ 1749.597375][ T3873] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1749.655931][ T3873] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:20kB inactive_file:8kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1749.683924][ T3873] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1749.689696][ T3873] Node 0 DMA32 free:17772kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:788680kB inactive_anon:16524kB active_file:952kB inactive_file:804kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:37244kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB [ 1749.720754][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1749.725506][ T3873] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1749.753459][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1749.758238][ T3873] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1749.821857][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1749.828524][ T3873] Node 0 DMA: 2*4kB (UM) 1*8kB (M) 2*16kB (UM) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10160kB [ 1749.848554][ T3873] Node 0 DMA32: 2265*4kB (UME) 689*8kB (UME) 129*16kB (UME) 26*32kB (M) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17980kB [ 1749.863235][ T3873] 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 [ 1749.876422][ T3873] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1749.893534][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1749.903088][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1749.912473][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1749.922974][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1749.937518][ T3873] 4810 total pagecache pages [ 1749.942143][ T3873] 0 pages in swap cache [ 1749.967302][ T3873] Swap cache stats: add 0, delete 0, find 0/0 [ 1749.973380][ T3873] Free swap = 0kB [ 1749.977133][ T3873] Total swap = 0kB [ 1749.980852][ T3873] 1965979 pages RAM [ 1749.984742][ T3873] 0 pages HighMem/MovableOnly [ 1749.989404][ T3873] 349901 pages reserved [ 1749.998527][ T3873] 0 pages cma reserved [ 1750.002609][ T3873] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=9346,uid=0 [ 1750.017021][ T3873] Out of memory: Killed process 9346 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1750.034902][ T1151] oom_reaper: reaped process 9346 (syz-executor.3), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1750.067590][ T3873] systemd-journal invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1750.089837][ T3873] CPU: 1 PID: 3873 Comm: systemd-journal Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1750.099843][ T3873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1750.111297][ T3873] Call Trace: [ 1750.114598][ T3873] dump_stack+0x18f/0x20d [ 1750.118934][ T3873] dump_header+0x106/0x60f [ 1750.123358][ T3873] oom_kill_process.cold+0x10/0x15 [ 1750.128513][ T3873] out_of_memory+0x326/0x1340 [ 1750.133209][ T3873] ? oom_killer_disable+0x270/0x270 [ 1750.138445][ T3873] ? mutex_trylock+0x246/0x2c0 [ 1750.143234][ T3873] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1750.149924][ T3873] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1750.156553][ T3873] ? warn_alloc+0x120/0x120 [ 1750.161070][ T3873] ? fs_reclaim_release+0x94/0xf0 [ 1750.166115][ T3873] ? lock_is_held_type+0xb0/0xe0 [ 1750.171066][ T3873] ? find_get_entry+0x3b2/0x8a0 [ 1750.175937][ T3873] __alloc_pages_nodemask+0x5a3/0x700 [ 1750.181326][ T3873] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1750.188109][ T3873] ? page_cache_readahead_unbounded+0x572/0x850 [ 1750.194365][ T3873] ? __lock_page_or_retry+0x650/0x650 [ 1750.199750][ T3873] alloc_pages_current+0x187/0x280 [ 1750.204863][ T3873] __page_cache_alloc+0x31e/0x450 [ 1750.209911][ T3873] pagecache_get_page+0x2a6/0xf70 [ 1750.214940][ T3873] ? __do_page_cache_readahead+0xc2/0xf0 [ 1750.220586][ T3873] filemap_fault+0x1a94/0x2ab0 [ 1750.225356][ T3873] ext4_filemap_fault+0x87/0xb6 [ 1750.230200][ T3873] __do_fault+0x10d/0x4d0 [ 1750.234527][ T3873] handle_mm_fault+0x37a3/0x43f0 [ 1750.239481][ T3873] ? apply_to_existing_page_range+0x40/0x40 [ 1750.245411][ T3873] do_user_addr_fault+0x5a2/0xd00 [ 1750.250451][ T3873] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1750.256007][ T3873] exc_page_fault+0xab/0x170 [ 1750.260617][ T3873] ? asm_exc_page_fault+0x8/0x30 [ 1750.265565][ T3873] asm_exc_page_fault+0x1e/0x30 [ 1750.270426][ T3873] RIP: 0033:0x7fb1de32f2e3 [ 1750.274836][ T3873] Code: Bad RIP value. [ 1750.278925][ T3873] RSP: 002b:00007ffe3d83c058 EFLAGS: 00010246 [ 1750.284992][ T3873] RAX: 0000000000000001 RBX: 000055ce75f621e0 RCX: 00007fb1de32f2e3 [ 1750.293328][ T3873] RDX: 0000000000000013 RSI: 00007ffe3d83c060 RDI: 0000000000000008 [ 1750.301336][ T3873] RBP: 00007ffe3d83c250 R08: 0000000000000000 R09: 00007ffe3d91e080 [ 1750.309315][ T3873] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3d83c060 [ 1750.317300][ T3873] R13: 0000000000000001 R14: ffffffffffffffff R15: 0005a9e6550b3dc4 [ 1750.339071][ T3873] Mem-Info: [ 1750.342423][ T3873] active_anon:197722 inactive_anon:4132 isolated_anon:0 [ 1750.342423][ T3873] active_file:226 inactive_file:217 isolated_file:0 [ 1750.342423][ T3873] unevictable:0 dirty:421 writeback:0 [ 1750.342423][ T3873] slab_reclaimable:14631 slab_unreclaimable:96260 [ 1750.342423][ T3873] mapped:53381 shmem:4360 pagetables:9296 bounce:0 [ 1750.342423][ T3873] free:13670 free_pcp:121 free_cma:0 [ 1750.385306][ T3873] Node 0 active_anon:790732kB inactive_anon:16524kB active_file:1000kB inactive_file:828kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 647168kB writeback_tmp:0kB kernel_stack:18688kB all_unreclaimable? no [ 1750.440769][ T3873] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1750.469540][ T3873] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:20kB inactive_file:12kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1750.504450][ T3873] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1750.510629][ T3873] Node 0 DMA32 free:17524kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:786612kB inactive_anon:16524kB active_file:660kB inactive_file:1096kB unevictable:0kB writepending:1680kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:37092kB bounce:0kB free_pcp:452kB local_pcp:228kB free_cma:0kB [ 1750.541890][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1750.547907][ T3873] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1750.585942][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1750.601009][ T3873] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1750.630068][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1750.638142][ T3873] Node 0 DMA: 2*4kB (UM) 1*8kB (M) 2*16kB (UM) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10160kB [ 1750.667647][ T3873] Node 0 DMA32: 2275*4kB (ME) 688*8kB (ME) 129*16kB (UME) 26*32kB (M) 1*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17692kB [ 1750.683219][ T3873] 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 [ 1750.700399][ T3873] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1750.746525][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1750.763379][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1750.772728][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1750.784067][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1750.793374][ T3873] 4810 total pagecache pages [ 1750.798592][ T3873] 0 pages in swap cache [ 1750.802759][ T3873] Swap cache stats: add 0, delete 0, find 0/0 [ 1750.812871][ T3873] Free swap = 0kB [ 1750.819990][ T3873] Total swap = 0kB [ 1750.823780][ T3873] 1965979 pages RAM [ 1750.827581][ T3873] 0 pages HighMem/MovableOnly [ 1750.832244][ T3873] 349901 pages reserved [ 1750.836478][ T3873] 0 pages cma reserved [ 1750.840530][ T3873] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.3,pid=9337,uid=0 [ 1750.859528][ T3873] Out of memory: Killed process 9337 (syz-executor.3) total-vm:74848kB, anon-rss:2208kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1750.961387][T27198] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1750.982242][T27198] CPU: 0 PID: 27198 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1750.992164][T27198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1751.002207][T27198] Call Trace: [ 1751.005508][T27198] dump_stack+0x18f/0x20d [ 1751.009817][T27198] dump_header+0x106/0x60f [ 1751.014236][T27198] oom_kill_process.cold+0x10/0x15 [ 1751.019373][T27198] out_of_memory+0x326/0x1340 [ 1751.024043][T27198] ? oom_killer_disable+0x270/0x270 [ 1751.029246][T27198] ? mutex_trylock+0x246/0x2c0 [ 1751.034022][T27198] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1751.040690][T27198] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1751.047306][T27198] ? warn_alloc+0x120/0x120 [ 1751.051848][T27198] ? fs_reclaim_release+0x94/0xf0 [ 1751.056860][T27198] ? lock_is_held_type+0xb0/0xe0 [ 1751.061778][T27198] ? find_get_entry+0x3b2/0x8a0 [ 1751.066618][T27198] __alloc_pages_nodemask+0x5a3/0x700 [ 1751.071972][T27198] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1751.078733][T27198] ? page_cache_readahead_unbounded+0x572/0x850 [ 1751.084977][T27198] ? __lock_page_or_retry+0x650/0x650 [ 1751.090337][T27198] alloc_pages_current+0x187/0x280 [ 1751.095433][T27198] __page_cache_alloc+0x31e/0x450 [ 1751.100438][T27198] pagecache_get_page+0x2a6/0xf70 [ 1751.105455][T27198] ? __do_page_cache_readahead+0xc2/0xf0 [ 1751.111091][T27198] filemap_fault+0x1a94/0x2ab0 [ 1751.116635][T27198] ext4_filemap_fault+0x87/0xb6 [ 1751.121467][T27198] __do_fault+0x10d/0x4d0 [ 1751.125786][T27198] handle_mm_fault+0x37a3/0x43f0 [ 1751.131793][T27198] ? apply_to_existing_page_range+0x40/0x40 [ 1751.137700][T27198] do_user_addr_fault+0x5a2/0xd00 [ 1751.142711][T27198] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1751.148241][T27198] exc_page_fault+0xab/0x170 [ 1751.152837][T27198] ? asm_exc_page_fault+0x8/0x30 [ 1751.157943][T27198] asm_exc_page_fault+0x1e/0x30 [ 1751.162776][T27198] RIP: 0033:0x45fffa [ 1751.166646][T27198] Code: Bad RIP value. [ 1751.170705][T27198] RSP: 002b:00007fff992867a8 EFLAGS: 00010246 [ 1751.176769][T27198] RAX: 00007fff99286800 RBX: 0000000000000000 RCX: 0000000000000040 [ 1751.184726][T27198] RDX: 0000000000000001 RSI: 0000000000000040 RDI: 00007fff99286940 [ 1751.192682][T27198] RBP: 0000000000000000 R08: 00000000004c25df R09: 00007fff992867e8 [ 1751.201336][T27198] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000000 [ 1751.209293][T27198] R13: 00007fff992868f0 R14: 0000000000000000 R15: 00007fff99286900 [ 1751.263694][T27198] Mem-Info: [ 1751.266880][T27198] active_anon:197152 inactive_anon:4132 isolated_anon:0 [ 1751.266880][T27198] active_file:240 inactive_file:193 isolated_file:32 [ 1751.266880][T27198] unevictable:0 dirty:423 writeback:0 [ 1751.266880][T27198] slab_reclaimable:14624 slab_unreclaimable:96351 [ 1751.266880][T27198] mapped:53381 shmem:4360 pagetables:9281 bounce:0 [ 1751.266880][T27198] free:14014 free_pcp:0 free_cma:0 [ 1751.306066][T27198] Node 0 active_anon:788452kB inactive_anon:16524kB active_file:920kB inactive_file:700kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1692kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 643072kB writeback_tmp:0kB kernel_stack:18528kB all_unreclaimable? no [ 1751.336864][T27198] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1751.368024][T27198] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:16kB inactive_file:28kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1751.396037][T27198] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1751.401763][T27198] Node 0 DMA32 free:18460kB min:37964kB low:46940kB high:55916kB reserved_highatomic:0KB active_anon:784352kB inactive_anon:16524kB active_file:964kB inactive_file:840kB unevictable:0kB writepending:1680kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:37036kB bounce:0kB free_pcp:460kB local_pcp:240kB free_cma:0kB [ 1751.439617][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1751.445239][T27198] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1751.471927][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1751.476687][T27198] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1751.516514][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1751.521242][T27198] Node 0 DMA: 2*4kB (UM) 1*8kB (M) 2*16kB (UM) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10160kB [ 1751.537398][T27198] Node 0 DMA32: 2292*4kB (ME) 656*8kB (ME) 102*16kB (ME) 20*32kB (M) 1*64kB (U) 1*128kB (U) 0*256kB 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 18416kB [ 1751.552914][T27198] 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 [ 1751.571412][T27198] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1751.589937][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1751.599562][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1751.610137][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1751.622370][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1751.631783][T27198] 4810 total pagecache pages [ 1751.637015][T27198] 0 pages in swap cache [ 1751.641188][T27198] Swap cache stats: add 0, delete 0, find 0/0 [ 1751.648248][T27198] Free swap = 0kB [ 1751.651972][T27198] Total swap = 0kB [ 1751.655820][T27198] 1965979 pages RAM [ 1751.659633][T27198] 0 pages HighMem/MovableOnly [ 1751.667371][T27198] 349901 pages reserved [ 1751.671514][T27198] 0 pages cma reserved [ 1751.677797][T27198] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.2,pid=24284,uid=0 [ 1751.693389][T27198] Out of memory: Killed process 24284 (syz-executor.2) total-vm:74980kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1751.852126][T27198] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1751.870265][T27198] CPU: 0 PID: 27198 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1751.880202][T27198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1751.890776][T27198] Call Trace: [ 1751.894083][T27198] dump_stack+0x18f/0x20d [ 1751.898424][T27198] dump_header+0x106/0x60f [ 1751.902872][T27198] oom_kill_process.cold+0x10/0x15 [ 1751.908006][T27198] out_of_memory+0x326/0x1340 [ 1751.912709][T27198] ? oom_killer_disable+0x270/0x270 [ 1751.917920][T27198] ? mutex_trylock+0x246/0x2c0 [ 1751.922699][T27198] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1751.929417][T27198] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1751.936046][T27198] ? warn_alloc+0x120/0x120 [ 1751.940569][T27198] ? fs_reclaim_release+0x94/0xf0 [ 1751.945610][T27198] ? lock_is_held_type+0xb0/0xe0 [ 1751.950562][T27198] ? find_get_entry+0x3b2/0x8a0 [ 1751.955435][T27198] __alloc_pages_nodemask+0x5a3/0x700 [ 1751.960824][T27198] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1751.967954][T27198] ? page_cache_readahead_unbounded+0x572/0x850 [ 1751.974214][T27198] ? __lock_page_or_retry+0x650/0x650 [ 1751.979603][T27198] alloc_pages_current+0x187/0x280 [ 1751.984750][T27198] __page_cache_alloc+0x31e/0x450 [ 1751.989791][T27198] pagecache_get_page+0x2a6/0xf70 [ 1751.994829][T27198] ? __do_page_cache_readahead+0xc2/0xf0 [ 1752.000482][T27198] filemap_fault+0x1a94/0x2ab0 [ 1752.005294][T27198] ext4_filemap_fault+0x87/0xb6 [ 1752.010175][T27198] __do_fault+0x10d/0x4d0 [ 1752.014517][T27198] handle_mm_fault+0x37a3/0x43f0 [ 1752.019479][T27198] ? apply_to_existing_page_range+0x40/0x40 [ 1752.025408][T27198] do_user_addr_fault+0x5a2/0xd00 [ 1752.030455][T27198] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1752.036019][T27198] exc_page_fault+0xab/0x170 [ 1752.040622][T27198] ? asm_exc_page_fault+0x8/0x30 [ 1752.045653][T27198] asm_exc_page_fault+0x1e/0x30 [ 1752.050530][T27198] RIP: 0033:0x45fffa [ 1752.054425][T27198] Code: Bad RIP value. [ 1752.058506][T27198] RSP: 002b:00007fff992867a8 EFLAGS: 00010246 [ 1752.065057][T27198] RAX: 00007fff99286800 RBX: 0000000000000000 RCX: 0000000000000040 [ 1752.074012][T27198] RDX: 0000000000000001 RSI: 0000000000000040 RDI: 00007fff99286940 [ 1752.082003][T27198] RBP: 0000000000000000 R08: 00000000004c25df R09: 00007fff992867e8 [ 1752.090162][T27198] R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000000 [ 1752.098151][T27198] R13: 00007fff992868f0 R14: 0000000000000000 R15: 00007fff99286900 [ 1752.139649][T27198] Mem-Info: [ 1752.142854][T27198] active_anon:196606 inactive_anon:4132 isolated_anon:0 [ 1752.142854][T27198] active_file:136 inactive_file:277 isolated_file:0 [ 1752.142854][T27198] unevictable:0 dirty:421 writeback:0 [ 1752.142854][T27198] slab_reclaimable:14624 slab_unreclaimable:96363 [ 1752.142854][T27198] mapped:53381 shmem:4360 pagetables:9255 bounce:0 [ 1752.142854][T27198] free:13998 free_pcp:177 free_cma:0 [ 1752.211378][T27198] Node 0 active_anon:786268kB inactive_anon:16524kB active_file:920kB inactive_file:812kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 641024kB writeback_tmp:0kB kernel_stack:18528kB all_unreclaimable? no [ 1752.273479][T27198] Node 1 active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1752.301640][T27198] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:36kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1752.329731][T27198] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1752.335538][T27198] Node 0 DMA32 free:18940kB min:37964kB low:46940kB high:55916kB reserved_highatomic:0KB active_anon:782168kB inactive_anon:16524kB active_file:944kB inactive_file:772kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:36932kB bounce:0kB free_pcp:244kB local_pcp:0kB free_cma:0kB [ 1752.367008][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1752.371717][T27198] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1752.441648][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1752.459542][T27198] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1752.514929][T27198] lowmem_reserve[]: 0 0 0 0 0 [ 1752.519873][T27198] Node 0 DMA: 2*4kB (UM) 1*8kB (M) 2*16kB (UM) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10160kB [ 1752.546320][T27198] Node 0 DMA32: 2303*4kB (ME) 658*8kB (ME) 102*16kB (UME) 22*32kB (UM) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (U) 0*4096kB = 18924kB [ 1752.561592][T27198] 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 [ 1752.614781][T27198] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1752.635110][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1752.648142][T27198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1752.665035][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1752.682686][T27198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1752.692859][T27198] 4810 total pagecache pages [ 1752.698027][T27198] 0 pages in swap cache [ 1752.702220][T27198] Swap cache stats: add 0, delete 0, find 0/0 [ 1752.708364][T27198] Free swap = 0kB [ 1752.712094][T27198] Total swap = 0kB [ 1752.715877][T27198] 1965979 pages RAM [ 1752.719669][T27198] 0 pages HighMem/MovableOnly [ 1752.729498][T27198] 349901 pages reserved [ 1752.733911][T27198] 0 pages cma reserved [ 1752.738016][T27198] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=23007,uid=0 [ 1752.753849][T27198] Out of memory: Killed process 23007 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1752.800977][ T4427] systemd-timesyn invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1752.845544][ T4427] CPU: 0 PID: 4427 Comm: systemd-timesyn Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1752.855470][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1752.866501][ T4427] Call Trace: [ 1752.869810][ T4427] dump_stack+0x18f/0x20d [ 1752.874165][ T4427] dump_header+0x106/0x60f [ 1752.878641][ T4427] oom_kill_process.cold+0x10/0x15 [ 1752.883776][ T4427] out_of_memory+0x326/0x1340 [ 1752.888489][ T4427] ? oom_killer_disable+0x270/0x270 [ 1752.893709][ T4427] ? mutex_trylock+0x246/0x2c0 [ 1752.898497][ T4427] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1752.905200][ T4427] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1752.911840][ T4427] ? warn_alloc+0x120/0x120 [ 1752.916392][ T4427] ? fs_reclaim_release+0x94/0xf0 [ 1752.921441][ T4427] ? lock_is_held_type+0xb0/0xe0 [ 1752.926395][ T4427] ? find_get_entry+0x3b2/0x8a0 [ 1752.931266][ T4427] __alloc_pages_nodemask+0x5a3/0x700 [ 1752.936669][ T4427] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1752.943455][ T4427] ? page_cache_readahead_unbounded+0x572/0x850 [ 1752.950708][ T4427] ? __lock_page_or_retry+0x650/0x650 [ 1752.956102][ T4427] alloc_pages_current+0x187/0x280 [ 1752.961231][ T4427] __page_cache_alloc+0x31e/0x450 [ 1752.966280][ T4427] pagecache_get_page+0x2a6/0xf70 [ 1752.971350][ T4427] ? __do_page_cache_readahead+0xc2/0xf0 [ 1752.976996][ T4427] filemap_fault+0x1a94/0x2ab0 [ 1752.981783][ T4427] ext4_filemap_fault+0x87/0xb6 [ 1752.986651][ T4427] __do_fault+0x10d/0x4d0 [ 1752.990998][ T4427] handle_mm_fault+0x37a3/0x43f0 [ 1752.996001][ T4427] ? apply_to_existing_page_range+0x40/0x40 [ 1753.001928][ T4427] do_user_addr_fault+0x5a2/0xd00 [ 1753.006972][ T4427] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1753.012537][ T4427] exc_page_fault+0xab/0x170 [ 1753.017142][ T4427] ? asm_exc_page_fault+0x8/0x30 [ 1753.022092][ T4427] asm_exc_page_fault+0x1e/0x30 [ 1753.026951][ T4427] RIP: 0033:0x7f9e5fba5303 [ 1753.031391][ T4427] Code: Bad RIP value. [ 1753.035464][ T4427] RSP: 002b:00007fff51298500 EFLAGS: 00010293 [ 1753.041543][ T4427] RAX: 0000000000000001 RBX: 00005652ca80f8f0 RCX: 00007f9e5fba5303 [ 1753.049548][ T4427] RDX: 0000000000000006 RSI: 00007fff51298510 RDI: 0000000000000004 [ 1753.057538][ T4427] RBP: 00007fff51298660 R08: 0000000000000000 R09: 000000000000000d [ 1753.065520][ T4427] R10: 00000000ffffffff R11: 0000000000000293 R12: 00007fff51298510 [ 1753.073501][ T4427] R13: 0000000000000001 R14: ffffffffffffffff R15: 0000000000000000 [ 1753.094785][ T4427] Mem-Info: [ 1753.097958][ T4427] active_anon:196072 inactive_anon:4132 isolated_anon:0 [ 1753.097958][ T4427] active_file:174 inactive_file:220 isolated_file:32 [ 1753.097958][ T4427] unevictable:0 dirty:421 writeback:0 [ 1753.097958][ T4427] slab_reclaimable:14624 slab_unreclaimable:96382 [ 1753.097958][ T4427] mapped:53381 shmem:4360 pagetables:9218 bounce:0 [ 1753.097958][ T4427] free:14004 free_pcp:159 free_cma:0 [ 1753.134957][ T4427] Node 0 active_anon:784132kB inactive_anon:16524kB active_file:928kB inactive_file:872kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 641024kB writeback_tmp:0kB kernel_stack:18528kB all_unreclaimable? no [ 1753.164738][ T4427] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1753.192069][ T4427] Node 0 DMA free:10160kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:8kB inactive_file:4kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1753.274105][ T4427] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1753.279970][ T4427] Node 0 DMA32 free:18916kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:780032kB inactive_anon:16524kB active_file:812kB inactive_file:1040kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:36784kB bounce:0kB free_pcp:500kB local_pcp:248kB free_cma:0kB [ 1753.425613][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1753.483797][ T4427] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1753.576058][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1753.580787][ T4427] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1753.621933][ T4427] lowmem_reserve[]: 0 0 0 0 0 [ 1753.627485][ T4427] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1753.658113][ T4427] Node 0 DMA32: 2322*4kB (UME) 664*8kB (UME) 101*16kB (ME) 22*32kB (UM) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17496kB [ 1753.681212][ T4427] 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 [ 1753.708780][ T4427] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1753.726626][ T4427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1753.762596][ T4427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1753.773260][ T4427] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1753.793204][ T4427] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1753.802606][ T4427] 4804 total pagecache pages [ 1753.807524][ T4427] 0 pages in swap cache [ 1753.811701][ T4427] Swap cache stats: add 0, delete 0, find 0/0 [ 1753.817994][ T4427] Free swap = 0kB [ 1753.821859][ T4427] Total swap = 0kB [ 1753.827393][ T4427] 1965979 pages RAM [ 1753.831202][ T4427] 0 pages HighMem/MovableOnly [ 1753.836100][ T4427] 349901 pages reserved [ 1753.840255][ T4427] 0 pages cma reserved [ 1753.844802][ T4427] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=23001,uid=0 [ 1753.859380][ T4427] Out of memory: Killed process 23001 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1753.885268][ T1151] oom_reaper: reaped process 23001 (syz-executor.4), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1754.059107][ T3873] systemd-journal invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1754.078131][ T3873] CPU: 0 PID: 3873 Comm: systemd-journal Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1754.088079][ T3873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1754.098153][ T3873] Call Trace: [ 1754.101465][ T3873] dump_stack+0x18f/0x20d [ 1754.105803][ T3873] dump_header+0x106/0x60f [ 1754.110246][ T3873] oom_kill_process.cold+0x10/0x15 [ 1754.115372][ T3873] out_of_memory+0x326/0x1340 [ 1754.120052][ T3873] ? oom_killer_disable+0x270/0x270 [ 1754.125262][ T3873] ? mutex_trylock+0x246/0x2c0 [ 1754.130016][ T3873] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1754.136690][ T3873] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1754.143297][ T3873] ? warn_alloc+0x120/0x120 [ 1754.147794][ T3873] ? fs_reclaim_release+0x94/0xf0 [ 1754.152832][ T3873] ? lock_is_held_type+0xb0/0xe0 [ 1754.157782][ T3873] ? find_get_entry+0x3b2/0x8a0 [ 1754.162638][ T3873] __alloc_pages_nodemask+0x5a3/0x700 [ 1754.168023][ T3873] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1754.174788][ T3873] ? page_cache_readahead_unbounded+0x572/0x850 [ 1754.181025][ T3873] ? __lock_page_or_retry+0x650/0x650 [ 1754.186393][ T3873] alloc_pages_current+0x187/0x280 [ 1754.191496][ T3873] __page_cache_alloc+0x31e/0x450 [ 1754.196529][ T3873] pagecache_get_page+0x2a6/0xf70 [ 1754.201545][ T3873] ? __do_page_cache_readahead+0xc2/0xf0 [ 1754.207320][ T3873] filemap_fault+0x1a94/0x2ab0 [ 1754.212088][ T3873] ext4_filemap_fault+0x87/0xb6 [ 1754.216933][ T3873] __do_fault+0x10d/0x4d0 [ 1754.221254][ T3873] handle_mm_fault+0x37a3/0x43f0 [ 1754.226192][ T3873] ? apply_to_existing_page_range+0x40/0x40 [ 1754.232084][ T3873] do_user_addr_fault+0x5a2/0xd00 [ 1754.237106][ T3873] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1754.242644][ T3873] exc_page_fault+0xab/0x170 [ 1754.247237][ T3873] ? asm_exc_page_fault+0x8/0x30 [ 1754.252166][ T3873] asm_exc_page_fault+0x1e/0x30 [ 1754.257002][ T3873] RIP: 0033:0x7fb1de32f2e3 [ 1754.261392][ T3873] Code: Bad RIP value. [ 1754.265439][ T3873] RSP: 002b:00007ffe3d83c058 EFLAGS: 00010246 [ 1754.271500][ T3873] RAX: 0000000000000001 RBX: 000055ce75f621e0 RCX: 00007fb1de32f2e3 [ 1754.279568][ T3873] RDX: 0000000000000013 RSI: 00007ffe3d83c060 RDI: 0000000000000008 [ 1754.287562][ T3873] RBP: 00007ffe3d83c250 R08: 0000000000000000 R09: 00007ffe3d91e080 [ 1754.296050][ T3873] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3d83c060 [ 1754.304020][ T3873] R13: 0000000000000001 R14: ffffffffffffffff R15: 0005a9e6550b3dc4 [ 1754.314589][ T3873] Mem-Info: [ 1754.317747][ T3873] active_anon:195534 inactive_anon:4132 isolated_anon:0 [ 1754.317747][ T3873] active_file:232 inactive_file:199 isolated_file:0 [ 1754.317747][ T3873] unevictable:0 dirty:421 writeback:0 [ 1754.317747][ T3873] slab_reclaimable:14624 slab_unreclaimable:96157 [ 1754.317747][ T3873] mapped:53381 shmem:4360 pagetables:9229 bounce:0 [ 1754.317747][ T3873] free:13684 free_pcp:236 free_cma:0 [ 1754.362384][ T3873] Node 0 active_anon:781980kB inactive_anon:16524kB active_file:864kB inactive_file:892kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 638976kB writeback_tmp:0kB kernel_stack:18528kB all_unreclaimable? yes [ 1754.392590][ T3873] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1754.492127][ T3873] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1754.528893][ T3873] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1754.535959][ T3873] Node 0 DMA32 free:17560kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:777880kB inactive_anon:16524kB active_file:1056kB inactive_file:880kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:36728kB bounce:0kB free_pcp:472kB local_pcp:240kB free_cma:0kB [ 1754.589164][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1754.620600][ T3873] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1754.654647][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1754.659655][ T3873] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1754.688942][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1754.704547][ T3873] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1754.731982][ T3873] Node 0 DMA32: 2328*4kB (UME) 663*8kB (UME) 103*16kB (ME) 22*32kB (UM) 1*64kB (U) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17800kB [ 1754.765255][ T3873] 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 [ 1754.821018][ T3873] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1754.864726][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1754.885388][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1754.905189][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1754.930954][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1754.953359][ T3873] 4806 total pagecache pages [ 1754.958412][ T3873] 0 pages in swap cache [ 1754.962578][ T3873] Swap cache stats: add 0, delete 0, find 0/0 [ 1754.968961][ T3873] Free swap = 0kB [ 1754.972684][ T3873] Total swap = 0kB [ 1754.979191][ T3873] 1965979 pages RAM [ 1754.983125][ T3873] 0 pages HighMem/MovableOnly [ 1754.988777][ T3873] 349901 pages reserved [ 1754.993052][ T3873] 0 pages cma reserved [ 1754.997957][ T3873] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22997,uid=0 [ 1755.046488][ T3873] Out of memory: Killed process 22997 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1755.090687][ T1151] oom_reaper: reaped process 22997 (syz-executor.4), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1755.260149][ T6508] in:imklog invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1755.320051][ T6508] CPU: 1 PID: 6508 Comm: in:imklog Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1755.329462][ T6508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1755.339556][ T6508] Call Trace: [ 1755.342868][ T6508] dump_stack+0x18f/0x20d [ 1755.347213][ T6508] dump_header+0x106/0x60f [ 1755.351646][ T6508] oom_kill_process.cold+0x10/0x15 [ 1755.356779][ T6508] out_of_memory+0x326/0x1340 [ 1755.361479][ T6508] ? oom_killer_disable+0x270/0x270 [ 1755.366698][ T6508] ? mutex_trylock+0x246/0x2c0 [ 1755.371476][ T6508] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1755.378179][ T6508] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1755.384902][ T6508] ? warn_alloc+0x120/0x120 [ 1755.389421][ T6508] ? fs_reclaim_release+0x94/0xf0 [ 1755.394470][ T6508] ? lock_is_held_type+0xb0/0xe0 [ 1755.399428][ T6508] ? find_get_entry+0x3b2/0x8a0 [ 1755.404308][ T6508] __alloc_pages_nodemask+0x5a3/0x700 [ 1755.409707][ T6508] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1755.416494][ T6508] ? page_cache_readahead_unbounded+0x572/0x850 [ 1755.422760][ T6508] ? __lock_page_or_retry+0x650/0x650 [ 1755.428180][ T6508] alloc_pages_current+0x187/0x280 [ 1755.434301][ T6508] __page_cache_alloc+0x31e/0x450 [ 1755.439347][ T6508] pagecache_get_page+0x2a6/0xf70 [ 1755.444392][ T6508] ? __do_page_cache_readahead+0xc2/0xf0 [ 1755.450044][ T6508] filemap_fault+0x1a94/0x2ab0 [ 1755.454841][ T6508] ext4_filemap_fault+0x87/0xb6 [ 1755.459711][ T6508] __do_fault+0x10d/0x4d0 [ 1755.464064][ T6508] handle_mm_fault+0x37a3/0x43f0 [ 1755.469053][ T6508] ? apply_to_existing_page_range+0x40/0x40 [ 1755.474977][ T6508] do_user_addr_fault+0x5a2/0xd00 [ 1755.480022][ T6508] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1755.485589][ T6508] exc_page_fault+0xab/0x170 [ 1755.490193][ T6508] ? asm_exc_page_fault+0x8/0x30 [ 1755.495146][ T6508] asm_exc_page_fault+0x1e/0x30 [ 1755.500005][ T6508] RIP: 0033:0x7fefec555239 [ 1755.504416][ T6508] Code: Bad RIP value. [ 1755.508520][ T6508] RSP: 002b:00007fefe9ef1580 EFLAGS: 00010297 [ 1755.514589][ T6508] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fefec55522d [ 1755.522568][ T6508] RDX: 0000000000000955 RSI: 00007fefe9ef1da0 RDI: 0000000000000000 [ 1755.530554][ T6508] RBP: 00005623e0e7c9d0 R08: 0000000000000000 R09: 0000000000000000 [ 1755.538543][ T6508] R10: 2ce33e6c02ce33e7 R11: 0000000000000000 R12: 00007fefe9ef1da0 [ 1755.546544][ T6508] R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007fefe9ef3c5e [ 1755.771608][ T6508] Mem-Info: [ 1755.783681][ T6508] active_anon:194992 inactive_anon:4132 isolated_anon:0 [ 1755.783681][ T6508] active_file:241 inactive_file:189 isolated_file:40 [ 1755.783681][ T6508] unevictable:0 dirty:421 writeback:0 [ 1755.783681][ T6508] slab_reclaimable:14624 slab_unreclaimable:96277 [ 1755.783681][ T6508] mapped:53381 shmem:4360 pagetables:9177 bounce:0 [ 1755.783681][ T6508] free:13669 free_pcp:61 free_cma:0 [ 1755.831495][ T6508] Node 0 active_anon:779812kB inactive_anon:16524kB active_file:1196kB inactive_file:528kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 634880kB writeback_tmp:0kB kernel_stack:18528kB all_unreclaimable? no [ 1755.861687][ T6508] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1755.911872][ T6508] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1755.946726][ T6508] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1755.952947][ T6508] Node 0 DMA32 free:17540kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:775712kB inactive_anon:16524kB active_file:780kB inactive_file:1000kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:36620kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1755.991634][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1755.996759][ T6508] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1756.062142][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1756.074047][ T6508] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1756.112341][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1756.117374][ T6508] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1756.133615][ T6508] Node 0 DMA32: 2329*4kB (UME) 667*8kB (UME) 107*16kB (UME) 21*32kB (M) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17612kB [ 1756.148840][ T6508] 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 [ 1756.162140][ T6508] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1756.222383][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1756.232511][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1756.241882][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1756.252209][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1756.261771][ T6508] 4806 total pagecache pages [ 1756.266963][ T6508] 0 pages in swap cache [ 1756.271639][ T6508] Swap cache stats: add 0, delete 0, find 0/0 [ 1756.280462][ T6508] Free swap = 0kB [ 1756.284282][ T6508] Total swap = 0kB [ 1756.288015][ T6508] 1965979 pages RAM [ 1756.292045][ T6508] 0 pages HighMem/MovableOnly [ 1756.297521][ T6508] 349901 pages reserved [ 1756.301981][ T6508] 0 pages cma reserved [ 1756.306151][ T6508] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22989,uid=0 [ 1756.320778][ T6508] Out of memory: Killed process 22989 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1756.384361][ T1151] oom_reaper: reaped process 22989 (syz-executor.4), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1756.469817][ T6797] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1756.503659][ T6797] CPU: 1 PID: 6797 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1756.513143][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1756.523204][ T6797] Call Trace: [ 1756.526518][ T6797] dump_stack+0x18f/0x20d [ 1756.531013][ T6797] dump_header+0x106/0x60f [ 1756.535457][ T6797] oom_kill_process.cold+0x10/0x15 [ 1756.540586][ T6797] out_of_memory+0x326/0x1340 [ 1756.545285][ T6797] ? oom_killer_disable+0x270/0x270 [ 1756.550503][ T6797] ? mutex_trylock+0x246/0x2c0 [ 1756.555286][ T6797] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1756.561996][ T6797] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1756.568621][ T6797] ? warn_alloc+0x120/0x120 [ 1756.575234][ T6797] ? fs_reclaim_release+0x94/0xf0 [ 1756.580287][ T6797] ? lock_is_held_type+0xb0/0xe0 [ 1756.585242][ T6797] ? find_get_entry+0x3b2/0x8a0 [ 1756.590119][ T6797] __alloc_pages_nodemask+0x5a3/0x700 [ 1756.595514][ T6797] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1756.602385][ T6797] ? page_cache_readahead_unbounded+0x572/0x850 [ 1756.608668][ T6797] ? __lock_page_or_retry+0x650/0x650 [ 1756.614081][ T6797] alloc_pages_current+0x187/0x280 [ 1756.619213][ T6797] __page_cache_alloc+0x31e/0x450 [ 1756.624285][ T6797] pagecache_get_page+0x2a6/0xf70 [ 1756.629358][ T6797] ? __do_page_cache_readahead+0xc2/0xf0 [ 1756.635012][ T6797] filemap_fault+0x1a94/0x2ab0 [ 1756.639795][ T6797] ext4_filemap_fault+0x87/0xb6 [ 1756.644662][ T6797] __do_fault+0x10d/0x4d0 [ 1756.649013][ T6797] handle_mm_fault+0x37a3/0x43f0 [ 1756.654959][ T6797] ? apply_to_existing_page_range+0x40/0x40 [ 1756.660885][ T6797] ? vmacache_update+0xce/0x140 [ 1756.665772][ T6797] do_user_addr_fault+0x5a2/0xd00 [ 1756.670820][ T6797] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1756.676388][ T6797] exc_page_fault+0xab/0x170 [ 1756.681005][ T6797] ? asm_exc_page_fault+0x8/0x30 [ 1756.685956][ T6797] asm_exc_page_fault+0x1e/0x30 [ 1756.690826][ T6797] RIP: 0033:0x437d60 [ 1756.694722][ T6797] Code: Bad RIP value. [ 1756.698796][ T6797] RSP: 002b:000000c000040728 EFLAGS: 00010206 [ 1756.705390][ T6797] RAX: 0000000000000000 RBX: 000000c000042380 RCX: 0000017cc53fb603 [ 1756.713372][ T6797] RDX: 0000000017a93a1a RSI: 0000000000000663 RDI: 00007ffebc9ed080 [ 1756.721364][ T6797] RBP: 000000c000040750 R08: 0000000000000000 R09: 00007ffebc9ed090 [ 1756.729354][ T6797] R10: 000000000004eea4 R11: 0000000000000202 R12: 00000189b172fbd3 [ 1756.737348][ T6797] R13: 0000000000000001 R14: 00000189b172fbd3 R15: 0000000000000000 [ 1756.774959][ T6797] Mem-Info: [ 1756.778132][ T6797] active_anon:194450 inactive_anon:4132 isolated_anon:0 [ 1756.778132][ T6797] active_file:237 inactive_file:182 isolated_file:32 [ 1756.778132][ T6797] unevictable:0 dirty:421 writeback:0 [ 1756.778132][ T6797] slab_reclaimable:14624 slab_unreclaimable:96309 [ 1756.778132][ T6797] mapped:53381 shmem:4360 pagetables:9151 bounce:0 [ 1756.778132][ T6797] free:13685 free_pcp:0 free_cma:0 [ 1756.816027][ T6797] Node 0 active_anon:777644kB inactive_anon:16524kB active_file:832kB inactive_file:772kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 632832kB writeback_tmp:0kB kernel_stack:18528kB all_unreclaimable? no [ 1756.846241][ T6797] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1756.907001][ T6797] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1756.958412][ T6797] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1756.973408][ T6797] Node 0 DMA32 free:17604kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:773544kB inactive_anon:16524kB active_file:816kB inactive_file:672kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:36516kB bounce:0kB free_pcp:480kB local_pcp:248kB free_cma:0kB [ 1757.092547][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1757.098320][ T6797] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1757.186049][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1757.191013][ T6797] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1757.244694][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1757.250097][ T6797] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1757.344439][ T6797] Node 0 DMA32: 2337*4kB (UME) 670*8kB (ME) 107*16kB (ME) 22*32kB (UM) 1*64kB (U) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17444kB [ 1757.391655][ T6797] 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 [ 1757.472967][ T6797] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1757.562511][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1757.617791][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1757.636108][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1757.649276][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1757.661903][ T6797] 4803 total pagecache pages [ 1757.676903][ T6797] 0 pages in swap cache [ 1757.682271][ T6797] Swap cache stats: add 0, delete 0, find 0/0 [ 1757.710669][ T6797] Free swap = 0kB [ 1757.721584][ T6797] Total swap = 0kB [ 1757.759450][ T6797] 1965979 pages RAM [ 1757.763311][ T6797] 0 pages HighMem/MovableOnly [ 1757.811843][ T6797] 349901 pages reserved [ 1757.818616][ T6797] 0 pages cma reserved [ 1757.822684][ T6797] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22707,uid=0 [ 1757.944910][ T6797] Out of memory: Killed process 22707 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1758.013932][T23001] syz-executor.4(23001): getblk(): executed=c8 bh_count=2 bh_state=19 bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1758.030128][T23007] syz-executor.4(23007): getblk(): executed=c9 bh_count=1 bh_state=19 bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1758.192180][ T7248] syz-executor.4 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1758.217912][ T7248] CPU: 1 PID: 7248 Comm: syz-executor.4 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1758.227836][ T7248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1758.237898][ T7248] Call Trace: [ 1758.241213][ T7248] dump_stack+0x18f/0x20d [ 1758.245580][ T7248] dump_header+0x106/0x60f [ 1758.250030][ T7248] oom_kill_process.cold+0x10/0x15 [ 1758.255166][ T7248] out_of_memory+0x326/0x1340 [ 1758.259871][ T7248] ? oom_killer_disable+0x270/0x270 [ 1758.265440][ T7248] ? mutex_trylock+0x246/0x2c0 [ 1758.270228][ T7248] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1758.276933][ T7248] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1758.283573][ T7248] ? warn_alloc+0x120/0x120 [ 1758.288361][ T7248] ? fs_reclaim_release+0x94/0xf0 [ 1758.293468][ T7248] ? lock_is_held_type+0xb0/0xe0 [ 1758.298440][ T7248] ? find_get_entry+0x3b2/0x8a0 [ 1758.303322][ T7248] __alloc_pages_nodemask+0x5a3/0x700 [ 1758.308721][ T7248] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1758.315509][ T7248] ? page_cache_readahead_unbounded+0x572/0x850 [ 1758.321776][ T7248] ? __lock_page_or_retry+0x650/0x650 [ 1758.327172][ T7248] alloc_pages_current+0x187/0x280 [ 1758.332311][ T7248] __page_cache_alloc+0x31e/0x450 [ 1758.337363][ T7248] pagecache_get_page+0x2a6/0xf70 [ 1758.342407][ T7248] ? __do_page_cache_readahead+0xc2/0xf0 [ 1758.348058][ T7248] filemap_fault+0x1a94/0x2ab0 [ 1758.352875][ T7248] ext4_filemap_fault+0x87/0xb6 [ 1758.357746][ T7248] __do_fault+0x10d/0x4d0 [ 1758.362099][ T7248] handle_mm_fault+0x37a3/0x43f0 [ 1758.367065][ T7248] ? apply_to_existing_page_range+0x40/0x40 [ 1758.373000][ T7248] do_user_addr_fault+0x5a2/0xd00 [ 1758.378049][ T7248] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1758.383615][ T7248] exc_page_fault+0xab/0x170 [ 1758.388216][ T7248] ? asm_exc_page_fault+0x8/0x30 [ 1758.393165][ T7248] asm_exc_page_fault+0x1e/0x30 [ 1758.398640][ T7248] RIP: 0033:0x4106ae [ 1758.402535][ T7248] Code: Bad RIP value. [ 1758.406614][ T7248] RSP: 002b:00007ffee9a46ec0 EFLAGS: 00010206 [ 1758.412696][ T7248] RAX: 000000000018f6f8 RBX: 000000000018f174 RCX: 000000000018f6a0 [ 1758.420684][ T7248] RDX: 0000001b2d320000 RSI: 0000000000000000 RDI: 0000000000000001 [ 1758.428668][ T7248] RBP: 0000000000000b02 R08: 0000000000000001 R09: 00000000012ad940 [ 1758.436650][ T7248] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1758.444634][ T7248] R13: 00007ffee9a46ef0 R14: 000000000018f174 R15: 00007ffee9a46f00 [ 1758.471750][ T7248] Mem-Info: [ 1758.474989][ T7248] active_anon:193912 inactive_anon:4132 isolated_anon:0 [ 1758.474989][ T7248] active_file:286 inactive_file:74 isolated_file:64 [ 1758.474989][ T7248] unevictable:0 dirty:421 writeback:0 [ 1758.474989][ T7248] slab_reclaimable:14624 slab_unreclaimable:96170 [ 1758.474989][ T7248] mapped:53381 shmem:4360 pagetables:9151 bounce:0 [ 1758.474989][ T7248] free:13630 free_pcp:119 free_cma:0 [ 1758.523582][ T7248] Node 0 active_anon:775492kB inactive_anon:16524kB active_file:836kB inactive_file:936kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1672kB writeback:4kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 632832kB writeback_tmp:0kB kernel_stack:18496kB all_unreclaimable? no [ 1758.553470][ T7248] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1758.667749][ T7248] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1758.792733][ T7248] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1758.810513][ T7248] Node 0 DMA32 free:17280kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:771376kB inactive_anon:16524kB active_file:1100kB inactive_file:280kB unevictable:0kB writepending:1692kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:36412kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1758.871431][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1758.876322][ T7248] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1758.905219][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1758.909935][ T7248] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1759.011313][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1759.037474][ T7248] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1759.087878][ T7248] Node 0 DMA32: 2332*4kB (UME) 672*8kB (UME) 112*16kB (UME) 21*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17168kB [ 1759.139525][ T7248] 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 [ 1759.210075][ T7248] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1759.312423][ T7248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1759.384923][ T7248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1759.403292][ T7248] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1759.452332][ T7248] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1759.492525][ T7248] 4807 total pagecache pages [ 1759.502628][ T7248] 0 pages in swap cache [ 1759.506882][ T7248] Swap cache stats: add 0, delete 0, find 0/0 [ 1759.512955][ T7248] Free swap = 0kB [ 1759.532986][ T7248] Total swap = 0kB [ 1759.536820][ T7248] 1965979 pages RAM [ 1759.540632][ T7248] 0 pages HighMem/MovableOnly [ 1759.556415][ T7248] 349901 pages reserved [ 1759.560602][ T7248] 0 pages cma reserved [ 1759.566336][ T7248] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22699,uid=0 [ 1759.609338][ T7248] Out of memory: Killed process 22699 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1759.743218][T22989] syz-executor.4(22989): getblk(): executed=c9 bh_count=2 bh_state=19 bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1759.812656][T27196] syz-executor.3 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 1759.831842][T27196] CPU: 0 PID: 27196 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1759.841767][T27196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1759.851831][T27196] Call Trace: [ 1759.855141][T27196] dump_stack+0x18f/0x20d [ 1759.859507][T27196] dump_header+0x106/0x60f [ 1759.863950][T27196] oom_kill_process.cold+0x10/0x15 [ 1759.869099][T27196] out_of_memory+0x326/0x1340 [ 1759.873802][T27196] ? oom_killer_disable+0x270/0x270 [ 1759.879019][T27196] ? mutex_trylock+0x246/0x2c0 [ 1759.883804][T27196] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1759.890502][T27196] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1759.897133][T27196] ? warn_alloc+0x120/0x120 [ 1759.901653][T27196] ? fs_reclaim_release+0x94/0xf0 [ 1759.906708][T27196] ? lock_is_held_type+0xb0/0xe0 [ 1759.911661][T27196] ? find_get_entry+0x3b2/0x8a0 [ 1759.916535][T27196] __alloc_pages_nodemask+0x5a3/0x700 [ 1759.921945][T27196] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1759.928730][T27196] ? page_cache_readahead_unbounded+0x572/0x850 [ 1759.934997][T27196] ? __lock_page_or_retry+0x650/0x650 [ 1759.940389][T27196] alloc_pages_current+0x187/0x280 [ 1759.945553][T27196] __page_cache_alloc+0x31e/0x450 [ 1759.950623][T27196] pagecache_get_page+0x2a6/0xf70 [ 1759.955672][T27196] ? __do_page_cache_readahead+0xc2/0xf0 [ 1759.961328][T27196] filemap_fault+0x1a94/0x2ab0 [ 1759.966119][T27196] ext4_filemap_fault+0x87/0xb6 [ 1759.970992][T27196] __do_fault+0x10d/0x4d0 [ 1759.975342][T27196] handle_mm_fault+0x37a3/0x43f0 [ 1759.980304][T27196] ? apply_to_existing_page_range+0x40/0x40 [ 1759.986235][T27196] do_user_addr_fault+0x5a2/0xd00 [ 1759.991282][T27196] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1759.996881][T27196] exc_page_fault+0xab/0x170 [ 1760.001510][T27196] ? asm_exc_page_fault+0x8/0x30 [ 1760.006489][T27196] asm_exc_page_fault+0x1e/0x30 [ 1760.011359][T27196] RIP: 0033:0x41014f [ 1760.015251][T27196] Code: Bad RIP value. [ 1760.019321][T27196] RSP: 002b:00007ffdbb88d180 EFLAGS: 00010206 [ 1760.025394][T27196] RAX: 0000000020000000 RBX: 0000000000000000 RCX: 0000000020000100 [ 1760.034862][T27196] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000020000000 [ 1760.042843][T27196] RBP: 0000000000790168 R08: 0000000000000000 R09: 0000000000000000 [ 1760.050827][T27196] R10: 00007ffdbb88d260 R11: 0000000000000246 R12: 0000000000790170 [ 1760.058802][T27196] R13: 000000000018f24e R14: fffffffffffffffe R15: 000000000078bf0c [ 1760.094934][T27196] Mem-Info: [ 1760.098308][T27196] active_anon:193374 inactive_anon:4132 isolated_anon:0 [ 1760.098308][T27196] active_file:226 inactive_file:187 isolated_file:32 [ 1760.098308][T27196] unevictable:0 dirty:421 writeback:0 [ 1760.098308][T27196] slab_reclaimable:14624 slab_unreclaimable:96294 [ 1760.098308][T27196] mapped:53381 shmem:4360 pagetables:9125 bounce:0 [ 1760.098308][T27196] free:13675 free_pcp:57 free_cma:0 [ 1760.156459][T27196] Node 0 active_anon:773340kB inactive_anon:16524kB active_file:804kB inactive_file:772kB unevictable:0kB isolated(anon):0kB isolated(file):108kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 630784kB writeback_tmp:0kB kernel_stack:18496kB all_unreclaimable? no [ 1760.317469][T27196] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1760.408377][T27196] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1760.575461][T27196] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1760.581996][T27196] Node 0 DMA32 free:17332kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:769224kB inactive_anon:16524kB active_file:1028kB inactive_file:1000kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:36308kB bounce:0kB free_pcp:472kB local_pcp:244kB free_cma:0kB [ 1760.641651][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1760.663796][T27196] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1760.783846][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1760.788570][T27196] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1760.851535][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1760.856348][T27196] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1760.873675][T27196] Node 0 DMA32: 2314*4kB (ME) 667*8kB (ME) 110*16kB (ME) 21*32kB (UM) 0*64kB 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17280kB [ 1760.924464][T27196] 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 [ 1760.936068][T27196] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1760.954585][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1760.970834][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1760.982207][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1760.992151][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1761.001844][T27196] 4807 total pagecache pages [ 1761.007295][T27196] 0 pages in swap cache [ 1761.011547][T27196] Swap cache stats: add 0, delete 0, find 0/0 [ 1761.017656][T27196] Free swap = 0kB [ 1761.021376][T27196] Total swap = 0kB [ 1761.025206][T27196] 1965979 pages RAM [ 1761.029017][T27196] 0 pages HighMem/MovableOnly [ 1761.045692][T27196] 349901 pages reserved [ 1761.057576][T27196] 0 pages cma reserved [ 1761.070738][T27196] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22637,uid=0 [ 1761.095053][T27196] Out of memory: Killed process 22637 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1761.314909][T24284] syz-executor.2(24284): getblk(): executed=c8 bh_count=4 bh_state=14 bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1761.386191][ T6495] cron invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1761.444414][ T6495] CPU: 1 PID: 6495 Comm: cron Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1761.453376][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1761.464188][ T6495] Call Trace: [ 1761.467517][ T6495] dump_stack+0x18f/0x20d [ 1761.471864][ T6495] dump_header+0x106/0x60f [ 1761.476290][ T6495] oom_kill_process.cold+0x10/0x15 [ 1761.481427][ T6495] out_of_memory+0x326/0x1340 [ 1761.486114][ T6495] ? oom_killer_disable+0x270/0x270 [ 1761.491319][ T6495] ? mutex_trylock+0x246/0x2c0 [ 1761.496109][ T6495] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1761.502811][ T6495] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1761.509437][ T6495] ? warn_alloc+0x120/0x120 [ 1761.513952][ T6495] ? fs_reclaim_release+0x94/0xf0 [ 1761.518995][ T6495] ? lock_is_held_type+0xb0/0xe0 [ 1761.523936][ T6495] ? find_get_entry+0x3b2/0x8a0 [ 1761.528893][ T6495] __alloc_pages_nodemask+0x5a3/0x700 [ 1761.534302][ T6495] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1761.541088][ T6495] ? page_cache_readahead_unbounded+0x572/0x850 [ 1761.547368][ T6495] ? __lock_page_or_retry+0x650/0x650 [ 1761.552785][ T6495] alloc_pages_current+0x187/0x280 [ 1761.557932][ T6495] __page_cache_alloc+0x31e/0x450 [ 1761.563001][ T6495] pagecache_get_page+0x2a6/0xf70 [ 1761.568042][ T6495] ? __do_page_cache_readahead+0xc2/0xf0 [ 1761.573707][ T6495] filemap_fault+0x1a94/0x2ab0 [ 1761.578490][ T6495] ext4_filemap_fault+0x87/0xb6 [ 1761.583351][ T6495] __do_fault+0x10d/0x4d0 [ 1761.587695][ T6495] handle_mm_fault+0x37a3/0x43f0 [ 1761.592648][ T6495] ? apply_to_existing_page_range+0x40/0x40 [ 1761.598573][ T6495] do_user_addr_fault+0x5a2/0xd00 [ 1761.603633][ T6495] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1761.609185][ T6495] exc_page_fault+0xab/0x170 [ 1761.613786][ T6495] ? asm_exc_page_fault+0x8/0x30 [ 1761.618734][ T6495] asm_exc_page_fault+0x1e/0x30 [ 1761.623605][ T6495] RIP: 0033:0x7fe7c07b7270 [ 1761.628012][ T6495] Code: Bad RIP value. [ 1761.632076][ T6495] RSP: 002b:00007fff5946c008 EFLAGS: 00010246 [ 1761.638160][ T6495] RAX: 0000000000000000 RBX: fffffffffffffeb0 RCX: 00007fe7c07b7270 [ 1761.646132][ T6495] RDX: 00007fff595e2080 RSI: 00007fff5946c010 RDI: 00007fff5946c010 [ 1761.654128][ T6495] RBP: 0000000000000002 R08: 0000000000000008 R09: 0000000000000000 [ 1761.662101][ T6495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1761.670103][ T6495] R13: 00007fff5946c160 R14: 0000000000000000 R15: 0000000000000000 [ 1761.887330][ T6495] Mem-Info: [ 1761.890498][ T6495] active_anon:192831 inactive_anon:4132 isolated_anon:0 [ 1761.890498][ T6495] active_file:378 inactive_file:18 isolated_file:32 [ 1761.890498][ T6495] unevictable:0 dirty:421 writeback:1 [ 1761.890498][ T6495] slab_reclaimable:14624 slab_unreclaimable:96175 [ 1761.890498][ T6495] mapped:53381 shmem:4360 pagetables:9073 bounce:0 [ 1761.890498][ T6495] free:13747 free_pcp:57 free_cma:0 [ 1761.944610][ T6495] Node 0 active_anon:771168kB inactive_anon:16524kB active_file:1468kB inactive_file:292kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:4kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 626688kB writeback_tmp:0kB kernel_stack:18432kB all_unreclaimable? no [ 1761.975292][ T6495] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1762.002750][ T6495] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1762.097391][ T6495] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1762.103155][ T6495] Node 0 DMA32 free:17852kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:767068kB inactive_anon:16524kB active_file:700kB inactive_file:804kB unevictable:0kB writepending:1688kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:36204kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1762.223499][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1762.232936][ T6495] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1762.278667][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1762.283422][ T6495] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1762.332590][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1762.337386][ T6495] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1762.368123][ T6495] Node 0 DMA32: 2325*4kB (ME) 672*8kB (ME) 109*16kB (ME) 23*32kB (UM) 1*64kB (U) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17988kB [ 1762.400327][ T6495] 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 [ 1762.412268][ T6495] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1762.449305][ T6495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1762.459062][ T6495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1762.474948][ T6495] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1762.484926][ T6495] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1762.503845][ T6495] 4813 total pagecache pages [ 1762.508456][ T6495] 0 pages in swap cache [ 1762.512636][ T6495] Swap cache stats: add 0, delete 0, find 0/0 [ 1762.539119][ T6495] Free swap = 0kB [ 1762.542891][ T6495] Total swap = 0kB [ 1762.550322][ T6495] 1965979 pages RAM [ 1762.559232][ T6495] 0 pages HighMem/MovableOnly [ 1762.568964][ T6495] 349901 pages reserved [ 1762.573324][ T6495] 0 pages cma reserved [ 1762.582081][ T6495] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22623,uid=0 [ 1762.630912][ T6495] Out of memory: Killed process 22623 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1762.696806][T27196] syz-executor.3 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 1762.760220][T27196] CPU: 0 PID: 27196 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1762.770837][T27196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1762.780905][T27196] Call Trace: [ 1762.784211][T27196] dump_stack+0x18f/0x20d [ 1762.788552][T27196] dump_header+0x106/0x60f [ 1762.792980][T27196] oom_kill_process.cold+0x10/0x15 [ 1762.798100][T27196] out_of_memory+0x326/0x1340 [ 1762.802794][T27196] ? oom_killer_disable+0x270/0x270 [ 1762.808006][T27196] ? mutex_trylock+0x246/0x2c0 [ 1762.812780][T27196] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1762.819470][T27196] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1762.826089][T27196] ? warn_alloc+0x120/0x120 [ 1762.830599][T27196] ? fs_reclaim_release+0x94/0xf0 [ 1762.835637][T27196] ? lock_is_held_type+0xb0/0xe0 [ 1762.840581][T27196] ? find_get_entry+0x3b2/0x8a0 [ 1762.845447][T27196] __alloc_pages_nodemask+0x5a3/0x700 [ 1762.850834][T27196] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1762.857618][T27196] ? page_cache_readahead_unbounded+0x572/0x850 [ 1762.863868][T27196] ? __lock_page_or_retry+0x650/0x650 [ 1762.869250][T27196] alloc_pages_current+0x187/0x280 [ 1762.874366][T27196] __page_cache_alloc+0x31e/0x450 [ 1762.879392][T27196] pagecache_get_page+0x2a6/0xf70 [ 1762.884401][T27196] ? __do_page_cache_readahead+0xc2/0xf0 [ 1762.890034][T27196] filemap_fault+0x1a94/0x2ab0 [ 1762.894787][T27196] ext4_filemap_fault+0x87/0xb6 [ 1762.899633][T27196] __do_fault+0x10d/0x4d0 [ 1762.903951][T27196] handle_mm_fault+0x37a3/0x43f0 [ 1762.908906][T27196] ? apply_to_existing_page_range+0x40/0x40 [ 1762.915490][T27196] do_user_addr_fault+0x5a2/0xd00 [ 1762.920521][T27196] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1762.926056][T27196] exc_page_fault+0xab/0x170 [ 1762.930633][T27196] ? asm_exc_page_fault+0x8/0x30 [ 1762.935575][T27196] asm_exc_page_fault+0x1e/0x30 [ 1762.940408][T27196] RIP: 0033:0x41014f [ 1762.944280][T27196] Code: Bad RIP value. [ 1762.948323][T27196] RSP: 002b:00007ffdbb88d180 EFLAGS: 00010206 [ 1762.954394][T27196] RAX: 0000000020000000 RBX: 0000000000000000 RCX: 0000000020000100 [ 1762.962371][T27196] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000020000000 [ 1762.970360][T27196] RBP: 0000000000790168 R08: 0000000000000000 R09: 0000000000000000 [ 1762.978324][T27196] R10: 00007ffdbb88d260 R11: 0000000000000246 R12: 0000000000790170 [ 1762.986297][T27196] R13: 000000000018f24e R14: fffffffffffffffe R15: 000000000078bf0c [ 1762.994535][T23001] syz-executor.4(23001): getblk(): executed=c9 bh_count=3 bh_state=14 bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1763.082620][T27196] Mem-Info: [ 1763.095376][T27196] active_anon:192294 inactive_anon:4132 isolated_anon:0 [ 1763.095376][T27196] active_file:258 inactive_file:188 isolated_file:21 [ 1763.095376][T27196] unevictable:0 dirty:421 writeback:0 [ 1763.095376][T27196] slab_reclaimable:14624 slab_unreclaimable:96192 [ 1763.095376][T27196] mapped:53381 shmem:4360 pagetables:9073 bounce:0 [ 1763.095376][T27196] free:13664 free_pcp:62 free_cma:0 [ 1763.217371][T27196] Node 0 active_anon:769020kB inactive_anon:16524kB active_file:952kB inactive_file:864kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 626688kB writeback_tmp:0kB kernel_stack:18336kB all_unreclaimable? no [ 1763.287745][T27196] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1763.322459][T27196] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1763.471144][T27196] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1763.492873][T27196] Node 0 DMA32 free:17520kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:764920kB inactive_anon:16524kB active_file:920kB inactive_file:1044kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:36204kB bounce:0kB free_pcp:472kB local_pcp:232kB free_cma:0kB [ 1763.639940][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1763.676249][T27196] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1763.726651][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1763.731369][T27196] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1763.761118][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1763.765994][T27196] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1763.784630][T27196] Node 0 DMA32: 2328*4kB (ME) 674*8kB (UME) 113*16kB (ME) 21*32kB (M) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17696kB [ 1763.800832][T27196] 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 [ 1763.812321][T27196] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1763.916251][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1763.980859][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1764.006306][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1764.019096][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1764.061307][T27196] 4810 total pagecache pages [ 1764.068718][T27196] 0 pages in swap cache [ 1764.073240][T27196] Swap cache stats: add 0, delete 0, find 0/0 [ 1764.095033][T27196] Free swap = 0kB [ 1764.098779][T27196] Total swap = 0kB [ 1764.102495][T27196] 1965979 pages RAM [ 1764.158143][T27196] 0 pages HighMem/MovableOnly [ 1764.164004][T27196] 349901 pages reserved [ 1764.168264][T27196] 0 pages cma reserved [ 1764.172334][T27196] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22615,uid=0 [ 1764.244817][T27196] Out of memory: Killed process 22615 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1764.412489][T22989] syz-executor.4(22989): getblk(): executed=c9 bh_count=1 bh_state=6019 bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1764.531233][ T6968] syz-executor.1 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1764.591796][ T6968] CPU: 0 PID: 6968 Comm: syz-executor.1 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1764.601621][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1764.611680][ T6968] Call Trace: [ 1764.614994][ T6968] dump_stack+0x18f/0x20d [ 1764.619335][ T6968] dump_header+0x106/0x60f [ 1764.623763][ T6968] oom_kill_process.cold+0x10/0x15 [ 1764.629314][ T6968] out_of_memory+0x326/0x1340 [ 1764.634034][ T6968] ? oom_killer_disable+0x270/0x270 [ 1764.639238][ T6968] ? mutex_trylock+0x246/0x2c0 [ 1764.644025][ T6968] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1764.650714][ T6968] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1764.657330][ T6968] ? warn_alloc+0x120/0x120 [ 1764.661841][ T6968] ? fs_reclaim_release+0x94/0xf0 [ 1764.666876][ T6968] ? lock_is_held_type+0xb0/0xe0 [ 1764.671815][ T6968] ? find_get_entry+0x3b2/0x8a0 [ 1764.676696][ T6968] __alloc_pages_nodemask+0x5a3/0x700 [ 1764.682078][ T6968] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1764.693107][ T6968] ? page_cache_readahead_unbounded+0x572/0x850 [ 1764.699366][ T6968] ? __lock_page_or_retry+0x650/0x650 [ 1764.704756][ T6968] alloc_pages_current+0x187/0x280 [ 1764.709890][ T6968] __page_cache_alloc+0x31e/0x450 [ 1764.715626][ T6968] pagecache_get_page+0x2a6/0xf70 [ 1764.720659][ T6968] ? __do_page_cache_readahead+0xc2/0xf0 [ 1764.726304][ T6968] filemap_fault+0x1a94/0x2ab0 [ 1764.731087][ T6968] ext4_filemap_fault+0x87/0xb6 [ 1764.735949][ T6968] __do_fault+0x10d/0x4d0 [ 1764.740328][ T6968] handle_mm_fault+0x37a3/0x43f0 [ 1764.745546][ T6968] ? apply_to_existing_page_range+0x40/0x40 [ 1764.751460][ T6968] ? vmacache_update+0xce/0x140 [ 1764.756328][ T6968] do_user_addr_fault+0x5a2/0xd00 [ 1764.761393][ T6968] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1764.766948][ T6968] exc_page_fault+0xab/0x170 [ 1764.771551][ T6968] ? asm_exc_page_fault+0x8/0x30 [ 1764.776492][ T6968] asm_exc_page_fault+0x1e/0x30 [ 1764.781343][ T6968] RIP: 0033:0x4169ca [ 1764.785227][ T6968] Code: Bad RIP value. [ 1764.789292][ T6968] RSP: 002b:00007ffea7909038 EFLAGS: 00010246 [ 1764.795355][ T6968] RAX: 0000000000000505 RBX: 0000000000fed940 RCX: 00000000004169ca [ 1764.803326][ T6968] RDX: 0000000040000000 RSI: 00007ffea7909070 RDI: ffffffffffffffff [ 1764.811296][ T6968] RBP: 00000000000007b9 R08: 0000000000000001 R09: 0000000000000001 [ 1764.819268][ T6968] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1764.827242][ T6968] R13: 00007ffea7909070 R14: 0000000000fed99b R15: 00007ffea7909080 [ 1764.853390][ T6968] Mem-Info: [ 1764.862695][ T6968] active_anon:191747 inactive_anon:4132 isolated_anon:0 [ 1764.862695][ T6968] active_file:183 inactive_file:245 isolated_file:24 [ 1764.862695][ T6968] unevictable:0 dirty:418 writeback:3 [ 1764.862695][ T6968] slab_reclaimable:14622 slab_unreclaimable:96099 [ 1764.862695][ T6968] mapped:53381 shmem:4360 pagetables:9021 bounce:0 [ 1764.862695][ T6968] free:13758 free_pcp:0 free_cma:0 [ 1764.987794][ T6968] Node 0 active_anon:766832kB inactive_anon:16524kB active_file:976kB inactive_file:868kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1672kB writeback:12kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 622592kB writeback_tmp:0kB kernel_stack:18272kB all_unreclaimable? no [ 1765.017796][ T6968] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1765.045406][ T6968] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1765.137144][ T6968] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1765.142908][ T6968] Node 0 DMA32 free:17896kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:762732kB inactive_anon:16524kB active_file:848kB inactive_file:924kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:35996kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 1765.179833][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1765.186233][ T6968] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1765.213257][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1765.218004][ T6968] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1765.285408][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1765.290127][ T6968] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1765.308799][ T6968] Node 0 DMA32: 2344*4kB (UME) 678*8kB (ME) 114*16kB (UME) 22*32kB (UM) 1*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17520kB [ 1765.324016][ T6968] 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 [ 1765.336282][ T6968] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1765.359159][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1765.368873][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1765.379251][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1765.390767][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1765.410364][ T6968] 4807 total pagecache pages [ 1765.418087][ T6968] 0 pages in swap cache [ 1765.422342][ T6968] Swap cache stats: add 0, delete 0, find 0/0 [ 1765.432970][ T6968] Free swap = 0kB [ 1765.448575][ T6968] Total swap = 0kB [ 1765.460692][ T6968] 1965979 pages RAM [ 1765.470133][ T6968] 0 pages HighMem/MovableOnly [ 1765.475057][ T6968] 349901 pages reserved [ 1765.479321][ T6968] 0 pages cma reserved [ 1765.484235][ T6968] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22581,uid=0 [ 1765.498775][ T6968] Out of memory: Killed process 22581 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1765.519632][ T1151] oom_reaper: reaped process 22581 (syz-executor.4), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1765.758264][ T7248] syz-executor.4 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1765.794909][ T7248] CPU: 0 PID: 7248 Comm: syz-executor.4 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1765.804732][ T7248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1765.814790][ T7248] Call Trace: [ 1765.818096][ T7248] dump_stack+0x18f/0x20d [ 1765.822431][ T7248] dump_header+0x106/0x60f [ 1765.827199][ T7248] oom_kill_process.cold+0x10/0x15 [ 1765.832313][ T7248] out_of_memory+0x326/0x1340 [ 1765.836997][ T7248] ? oom_killer_disable+0x270/0x270 [ 1765.842197][ T7248] ? mutex_trylock+0x246/0x2c0 [ 1765.846962][ T7248] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1765.853645][ T7248] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1765.860254][ T7248] ? warn_alloc+0x120/0x120 [ 1765.864765][ T7248] ? fs_reclaim_release+0x94/0xf0 [ 1765.869800][ T7248] ? lock_is_held_type+0xb0/0xe0 [ 1765.874743][ T7248] ? find_get_entry+0x3b2/0x8a0 [ 1765.879607][ T7248] __alloc_pages_nodemask+0x5a3/0x700 [ 1765.885006][ T7248] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1765.891780][ T7248] ? page_cache_readahead_unbounded+0x572/0x850 [ 1765.898028][ T7248] ? __lock_page_or_retry+0x650/0x650 [ 1765.903407][ T7248] alloc_pages_current+0x187/0x280 [ 1765.908526][ T7248] __page_cache_alloc+0x31e/0x450 [ 1765.913558][ T7248] pagecache_get_page+0x2a6/0xf70 [ 1765.918588][ T7248] ? __do_page_cache_readahead+0xc2/0xf0 [ 1765.924229][ T7248] filemap_fault+0x1a94/0x2ab0 [ 1765.929022][ T7248] ext4_filemap_fault+0x87/0xb6 [ 1765.933875][ T7248] __do_fault+0x10d/0x4d0 [ 1765.938233][ T7248] handle_mm_fault+0x37a3/0x43f0 [ 1765.943185][ T7248] ? apply_to_existing_page_range+0x40/0x40 [ 1765.949120][ T7248] do_user_addr_fault+0x5a2/0xd00 [ 1765.954160][ T7248] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1765.959709][ T7248] exc_page_fault+0xab/0x170 [ 1765.964308][ T7248] ? asm_exc_page_fault+0x8/0x30 [ 1765.969245][ T7248] asm_exc_page_fault+0x1e/0x30 [ 1765.974095][ T7248] RIP: 0033:0x4106ae [ 1765.977977][ T7248] Code: Bad RIP value. [ 1765.982036][ T7248] RSP: 002b:00007ffee9a46ec0 EFLAGS: 00010206 [ 1765.988099][ T7248] RAX: 000000000018f6f8 RBX: 000000000018f174 RCX: 000000000018f6a0 [ 1765.996096][ T7248] RDX: 0000001b2d320000 RSI: 0000000000000000 RDI: 0000000000000001 [ 1766.004766][ T7248] RBP: 0000000000000b02 R08: 0000000000000001 R09: 00000000012ad940 [ 1766.013523][ T7248] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1766.021516][ T7248] R13: 00007ffee9a46ef0 R14: 000000000018f174 R15: 00007ffee9a46f00 [ 1766.179514][ T7248] Mem-Info: [ 1766.182689][ T7248] active_anon:191209 inactive_anon:4132 isolated_anon:0 [ 1766.182689][ T7248] active_file:208 inactive_file:175 isolated_file:15 [ 1766.182689][ T7248] unevictable:0 dirty:421 writeback:0 [ 1766.182689][ T7248] slab_reclaimable:14621 slab_unreclaimable:96269 [ 1766.182689][ T7248] mapped:53381 shmem:4360 pagetables:9020 bounce:0 [ 1766.182689][ T7248] free:13747 free_pcp:117 free_cma:0 [ 1766.220956][ T7248] Node 0 active_anon:764680kB inactive_anon:16524kB active_file:880kB inactive_file:784kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 620544kB writeback_tmp:0kB kernel_stack:18272kB all_unreclaimable? yes [ 1766.384347][ T7248] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1766.484284][ T7248] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1766.607636][ T7248] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1766.613399][ T7248] Node 0 DMA32 free:17876kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:760580kB inactive_anon:16524kB active_file:976kB inactive_file:624kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:35892kB bounce:0kB free_pcp:464kB local_pcp:224kB free_cma:0kB [ 1766.652107][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1766.681733][ T7248] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1766.722713][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1766.727478][ T7248] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1766.756386][ T7248] lowmem_reserve[]: 0 0 0 0 0 [ 1766.761080][ T7248] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1766.779196][ T7248] Node 0 DMA32: 2362*4kB (UME) 697*8kB (UME) 120*16kB (UME) 22*32kB (UM) 0*64kB 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18288kB [ 1766.801904][ T7248] 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 [ 1766.813763][ T7248] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1766.886851][ T7248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1766.906854][ T7248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1766.924260][ T7248] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1766.939219][ T7248] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1766.950258][ T7248] 4807 total pagecache pages [ 1766.955020][ T7248] 0 pages in swap cache [ 1766.959173][ T7248] Swap cache stats: add 0, delete 0, find 0/0 [ 1766.968605][ T7248] Free swap = 0kB [ 1766.972337][ T7248] Total swap = 0kB [ 1766.985938][ T7248] 1965979 pages RAM [ 1766.989856][ T7248] 0 pages HighMem/MovableOnly [ 1767.002590][ T7248] 349901 pages reserved [ 1767.007275][ T7248] 0 pages cma reserved [ 1767.011475][ T7248] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22569,uid=0 [ 1767.032501][ T7248] Out of memory: Killed process 22569 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1767.058101][ T1151] oom_reaper: reaped process 22569 (syz-executor.4), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1767.090563][T22997] syz-executor.4(22997): getblk(): executed=c8 bh_count=1 bh_state=19 bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1767.099046][T24284] syz-executor.2(24284): getblk(): executed=c8 bh_count=1 bh_state=19 bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1767.156488][T27197] syz-executor.2 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 1767.174694][T27197] CPU: 0 PID: 27197 Comm: syz-executor.2 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1767.184600][T27197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1767.196393][T27197] Call Trace: [ 1767.199693][T27197] dump_stack+0x18f/0x20d [ 1767.204033][T27197] dump_header+0x106/0x60f [ 1767.208452][T27197] oom_kill_process.cold+0x10/0x15 [ 1767.213568][T27197] out_of_memory+0x326/0x1340 [ 1767.218252][T27197] ? oom_killer_disable+0x270/0x270 [ 1767.223454][T27197] ? mutex_trylock+0x246/0x2c0 [ 1767.228249][T27197] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1767.234941][T27197] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1767.241558][T27197] ? warn_alloc+0x120/0x120 [ 1767.246096][T27197] ? fs_reclaim_release+0x94/0xf0 [ 1767.251139][T27197] ? lock_is_held_type+0xb0/0xe0 [ 1767.256076][T27197] ? find_get_entry+0x3b2/0x8a0 [ 1767.260935][T27197] __alloc_pages_nodemask+0x5a3/0x700 [ 1767.266318][T27197] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1767.273090][T27197] ? page_cache_readahead_unbounded+0x572/0x850 [ 1767.279344][T27197] ? __lock_page_or_retry+0x650/0x650 [ 1767.284725][T27197] alloc_pages_current+0x187/0x280 [ 1767.289855][T27197] __page_cache_alloc+0x31e/0x450 [ 1767.294916][T27197] pagecache_get_page+0x2a6/0xf70 [ 1767.299950][T27197] ? __do_page_cache_readahead+0xc2/0xf0 [ 1767.305593][T27197] filemap_fault+0x1a94/0x2ab0 [ 1767.310471][T27197] ext4_filemap_fault+0x87/0xb6 [ 1767.315329][T27197] __do_fault+0x10d/0x4d0 [ 1767.319670][T27197] handle_mm_fault+0x37a3/0x43f0 [ 1767.324633][T27197] ? apply_to_existing_page_range+0x40/0x40 [ 1767.330550][T27197] do_user_addr_fault+0x5a2/0xd00 [ 1767.335592][T27197] exc_page_fault+0xab/0x170 [ 1767.340192][T27197] ? asm_exc_page_fault+0x8/0x30 [ 1767.345158][T27197] asm_exc_page_fault+0x1e/0x30 [ 1767.350098][T27197] RIP: 0033:0x43b58c [ 1767.353984][T27197] Code: Bad RIP value. [ 1767.358045][T27197] RSP: 002b:00007ffcc0f82178 EFLAGS: 00010287 [ 1767.364121][T27197] RAX: 000000000000002f RBX: 0000000000000000 RCX: 0000000000000027 [ 1767.372102][T27197] RDX: 0000000000000007 RSI: 00000000004c2527 RDI: 00000000004cb72f [ 1767.380082][T27197] RBP: 0000000000790000 R08: 0000000000000000 R09: 0000000000000004 [ 1767.388065][T27197] R10: 0000000000000075 R11: 0000000000000007 R12: 0000000000790008 [ 1767.396048][T27197] R13: 00007ffcc0f82370 R14: 0000000000000879 R15: 00007ffcc0f82380 [ 1767.693257][T27197] Mem-Info: [ 1767.705981][T27197] active_anon:190671 inactive_anon:4132 isolated_anon:0 [ 1767.705981][T27197] active_file:225 inactive_file:207 isolated_file:26 [ 1767.705981][T27197] unevictable:0 dirty:421 writeback:0 [ 1767.705981][T27197] slab_reclaimable:14609 slab_unreclaimable:95967 [ 1767.705981][T27197] mapped:53381 shmem:4360 pagetables:8969 bounce:0 [ 1767.705981][T27197] free:13615 free_pcp:0 free_cma:0 [ 1767.760078][T27197] Node 0 active_anon:762528kB inactive_anon:16524kB active_file:1036kB inactive_file:648kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 618496kB writeback_tmp:0kB kernel_stack:18272kB all_unreclaimable? no [ 1767.843912][T27197] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1767.984048][T27197] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1768.132020][T27197] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1768.173123][T27197] Node 0 DMA32 free:17324kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:758428kB inactive_anon:16524kB active_file:728kB inactive_file:912kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:35788kB bounce:0kB free_pcp:476kB local_pcp:232kB free_cma:0kB [ 1768.247765][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1768.252518][T27197] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1768.280043][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1768.284836][T27197] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1768.314558][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1768.319259][T27197] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1768.338681][T27197] Node 0 DMA32: 2335*4kB (UME) 685*8kB (UME) 119*16kB (UME) 21*32kB (UM) 1*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17588kB [ 1768.431071][T27197] 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 [ 1768.481558][T27197] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1768.572796][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1768.584520][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1768.597746][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1768.612127][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1768.621502][T27197] 4808 total pagecache pages [ 1768.626175][T27197] 0 pages in swap cache [ 1768.630329][T27197] Swap cache stats: add 0, delete 0, find 0/0 [ 1768.636492][T27197] Free swap = 0kB [ 1768.640240][T27197] Total swap = 0kB [ 1768.644275][T27197] 1965979 pages RAM [ 1768.648079][T27197] 0 pages HighMem/MovableOnly [ 1768.652743][T27197] 349901 pages reserved [ 1768.656990][T27197] 0 pages cma reserved [ 1768.661095][T27197] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22566,uid=0 [ 1768.675571][T27197] Out of memory: Killed process 22566 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1768.949726][ T6968] syz-executor.1 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1768.960906][ T6968] CPU: 1 PID: 6968 Comm: syz-executor.1 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1768.970717][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1768.980776][ T6968] Call Trace: [ 1768.984085][ T6968] dump_stack+0x18f/0x20d [ 1768.988417][ T6968] dump_header+0x106/0x60f [ 1768.992856][ T6968] oom_kill_process.cold+0x10/0x15 [ 1768.998006][ T6968] out_of_memory+0x326/0x1340 [ 1769.002677][ T6968] ? oom_killer_disable+0x270/0x270 [ 1769.008037][ T6968] ? mutex_trylock+0x246/0x2c0 [ 1769.012789][ T6968] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1769.019464][ T6968] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1769.026047][ T6968] ? warn_alloc+0x120/0x120 [ 1769.030532][ T6968] ? fs_reclaim_release+0x94/0xf0 [ 1769.035544][ T6968] ? lock_is_held_type+0xb0/0xe0 [ 1769.040461][ T6968] ? find_get_entry+0x3b2/0x8a0 [ 1769.045298][ T6968] __alloc_pages_nodemask+0x5a3/0x700 [ 1769.051525][ T6968] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1769.058271][ T6968] ? page_cache_readahead_unbounded+0x572/0x850 [ 1769.064498][ T6968] ? __lock_page_or_retry+0x650/0x650 [ 1769.069906][ T6968] alloc_pages_current+0x187/0x280 [ 1769.077193][ T6968] __page_cache_alloc+0x31e/0x450 [ 1769.082219][ T6968] pagecache_get_page+0x2a6/0xf70 [ 1769.087230][ T6968] ? __do_page_cache_readahead+0xc2/0xf0 [ 1769.092862][ T6968] filemap_fault+0x1a94/0x2ab0 [ 1769.097611][ T6968] ext4_filemap_fault+0x87/0xb6 [ 1769.102459][ T6968] __do_fault+0x10d/0x4d0 [ 1769.106771][ T6968] handle_mm_fault+0x37a3/0x43f0 [ 1769.111711][ T6968] ? apply_to_existing_page_range+0x40/0x40 [ 1769.117589][ T6968] ? vmacache_update+0xce/0x140 [ 1769.122421][ T6968] do_user_addr_fault+0x5a2/0xd00 [ 1769.127450][ T6968] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1769.132983][ T6968] exc_page_fault+0xab/0x170 [ 1769.137557][ T6968] ? asm_exc_page_fault+0x8/0x30 [ 1769.142489][ T6968] asm_exc_page_fault+0x1e/0x30 [ 1769.147336][ T6968] RIP: 0033:0x4169ca [ 1769.151217][ T6968] Code: Bad RIP value. [ 1769.155262][ T6968] RSP: 002b:00007ffea7909038 EFLAGS: 00010246 [ 1769.161322][ T6968] RAX: 0000000000000505 RBX: 0000000000fed940 RCX: 00000000004169ca [ 1769.169293][ T6968] RDX: 0000000040000000 RSI: 00007ffea7909070 RDI: ffffffffffffffff [ 1769.177247][ T6968] RBP: 00000000000007b9 R08: 0000000000000001 R09: 0000000000000001 [ 1769.185201][ T6968] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1769.193170][ T6968] R13: 00007ffea7909070 R14: 0000000000fed99b R15: 00007ffea7909080 [ 1769.338653][ T6968] Mem-Info: [ 1769.342024][ T6968] active_anon:190137 inactive_anon:4132 isolated_anon:0 [ 1769.342024][ T6968] active_file:296 inactive_file:150 isolated_file:20 [ 1769.342024][ T6968] unevictable:0 dirty:421 writeback:0 [ 1769.342024][ T6968] slab_reclaimable:14609 slab_unreclaimable:96063 [ 1769.342024][ T6968] mapped:53381 shmem:4360 pagetables:8969 bounce:0 [ 1769.342024][ T6968] free:13686 free_pcp:110 free_cma:0 [ 1769.472720][ T6968] Node 0 active_anon:760392kB inactive_anon:16524kB active_file:1112kB inactive_file:600kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 618496kB writeback_tmp:0kB kernel_stack:18272kB all_unreclaimable? no [ 1769.601366][ T6968] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1769.642760][ T6968] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1769.723662][ T6968] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1769.729498][ T6968] Node 0 DMA32 free:17884kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:756276kB inactive_anon:16524kB active_file:1128kB inactive_file:928kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:35684kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 1769.839048][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1769.849033][ T6968] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1769.924722][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1769.930589][ T6968] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1770.049890][ T6968] lowmem_reserve[]: 0 0 0 0 0 [ 1770.073843][ T6968] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1770.115408][ T6968] Node 0 DMA32: 2339*4kB (UME) 661*8kB (UME) 106*16kB (ME) 12*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 17748kB [ 1770.131533][ T6968] 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 [ 1770.143056][ T6968] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1770.160251][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1770.186338][ T6968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1770.195695][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1770.205374][ T6968] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1770.215964][ T6968] 4808 total pagecache pages [ 1770.220608][ T6968] 0 pages in swap cache [ 1770.258875][ T6968] Swap cache stats: add 0, delete 0, find 0/0 [ 1770.294999][ T6968] Free swap = 0kB [ 1770.298747][ T6968] Total swap = 0kB [ 1770.320626][ T6968] 1965979 pages RAM [ 1770.324608][ T6968] 0 pages HighMem/MovableOnly [ 1770.329297][ T6968] 349901 pages reserved [ 1770.333450][ T6968] 0 pages cma reserved [ 1770.337998][ T6968] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22563,uid=0 [ 1770.352457][ T6968] Out of memory: Killed process 22563 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1770.383818][T22997] syz-executor.4(22997): getblk(): executed=c9 bh_count=1 bh_state=19 bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1770.542670][T27197] syz-executor.2 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 1770.626634][T27197] CPU: 1 PID: 27197 Comm: syz-executor.2 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1770.636549][T27197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1770.646695][T27197] Call Trace: [ 1770.650000][T27197] dump_stack+0x18f/0x20d [ 1770.654342][T27197] dump_header+0x106/0x60f [ 1770.658775][T27197] oom_kill_process.cold+0x10/0x15 [ 1770.663900][T27197] out_of_memory+0x326/0x1340 [ 1770.668590][T27197] ? oom_killer_disable+0x270/0x270 [ 1770.673803][T27197] ? mutex_trylock+0x246/0x2c0 [ 1770.678577][T27197] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1770.685268][T27197] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1770.691889][T27197] ? warn_alloc+0x120/0x120 [ 1770.696423][T27197] ? fs_reclaim_release+0x94/0xf0 [ 1770.701491][T27197] ? lock_is_held_type+0xb0/0xe0 [ 1770.706435][T27197] ? find_get_entry+0x3b2/0x8a0 [ 1770.711296][T27197] __alloc_pages_nodemask+0x5a3/0x700 [ 1770.716684][T27197] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1770.723459][T27197] ? page_cache_readahead_unbounded+0x572/0x850 [ 1770.729740][T27197] ? __lock_page_or_retry+0x650/0x650 [ 1770.735132][T27197] alloc_pages_current+0x187/0x280 [ 1770.740257][T27197] __page_cache_alloc+0x31e/0x450 [ 1770.745295][T27197] pagecache_get_page+0x2a6/0xf70 [ 1770.750335][T27197] ? __do_page_cache_readahead+0xc2/0xf0 [ 1770.755984][T27197] filemap_fault+0x1a94/0x2ab0 [ 1770.760775][T27197] ext4_filemap_fault+0x87/0xb6 [ 1770.761713][T22569] syz-executor.4(22569): getblk(): executed=c9 bh_count=3 bh_state=1c bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1770.765636][T27197] __do_fault+0x10d/0x4d0 [ 1770.765653][T27197] handle_mm_fault+0x37a3/0x43f0 [ 1770.765681][T27197] ? apply_to_existing_page_range+0x40/0x40 [ 1770.784711][T24284] syz-executor.2(24284): getblk(): executed=c8 bh_count=1 bh_state=19 bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1770.785727][T27197] do_user_addr_fault+0x5a2/0xd00 [ 1770.817347][T27197] exc_page_fault+0xab/0x170 [ 1770.821964][T27197] ? asm_exc_page_fault+0x8/0x30 [ 1770.826924][T27197] asm_exc_page_fault+0x1e/0x30 [ 1770.831793][T27197] RIP: 0033:0x43b58c [ 1770.835685][T27197] Code: Bad RIP value. [ 1770.839754][T27197] RSP: 002b:00007ffcc0f82178 EFLAGS: 00010287 [ 1770.845842][T27197] RAX: 000000000000002f RBX: 0000000000000000 RCX: 0000000000000027 [ 1770.854684][T27197] RDX: 0000000000000007 RSI: 00000000004c2527 RDI: 00000000004cb72f [ 1770.862658][T27197] RBP: 0000000000790000 R08: 0000000000000000 R09: 0000000000000004 [ 1770.870629][T27197] R10: 0000000000000075 R11: 0000000000000007 R12: 0000000000790008 [ 1770.878608][T27197] R13: 00007ffcc0f82370 R14: 0000000000000879 R15: 00007ffcc0f82380 [ 1770.893548][T27197] Mem-Info: [ 1770.963961][T27197] active_anon:189595 inactive_anon:4132 isolated_anon:0 [ 1770.963961][T27197] active_file:442 inactive_file:3 isolated_file:0 [ 1770.963961][T27197] unevictable:0 dirty:421 writeback:0 [ 1770.963961][T27197] slab_reclaimable:14609 slab_unreclaimable:95927 [ 1770.963961][T27197] mapped:53381 shmem:4360 pagetables:8917 bounce:0 [ 1770.963961][T27197] free:13720 free_pcp:127 free_cma:0 [ 1771.171866][T27197] Node 0 active_anon:758224kB inactive_anon:16524kB active_file:1040kB inactive_file:588kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 614400kB writeback_tmp:0kB kernel_stack:18272kB all_unreclaimable? no [ 1771.318328][T27197] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1771.346319][T27197] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1771.374220][T27197] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1771.379966][T27197] Node 0 DMA32 free:17744kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:754124kB inactive_anon:16524kB active_file:944kB inactive_file:668kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:35580kB bounce:0kB free_pcp:488kB local_pcp:240kB free_cma:0kB [ 1771.624441][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1771.629217][T27197] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1771.751831][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1771.756655][T27197] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1771.787040][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1771.791751][T27197] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1771.812624][T27197] Node 0 DMA32: 2349*4kB (UME) 662*8kB (UME) 112*16kB (UME) 13*32kB (UM) 0*64kB 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17668kB [ 1771.828043][T27197] 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 [ 1771.839635][T27197] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1771.934770][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1771.970525][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1771.999762][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1772.092456][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1772.116514][T27197] 4808 total pagecache pages [ 1772.131366][T27197] 0 pages in swap cache [ 1772.157065][T27197] Swap cache stats: add 0, delete 0, find 0/0 [ 1772.163160][T27197] Free swap = 0kB [ 1772.170470][T27197] Total swap = 0kB [ 1772.185505][T27197] 1965979 pages RAM [ 1772.189340][T27197] 0 pages HighMem/MovableOnly [ 1772.196791][T27197] 349901 pages reserved [ 1772.201004][T27197] 0 pages cma reserved [ 1772.205154][T27197] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22558,uid=0 [ 1772.219690][T27197] Out of memory: Killed process 22558 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1772.282809][T27197] syz-executor.2 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 1772.324807][T27197] CPU: 1 PID: 27197 Comm: syz-executor.2 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1772.334721][T27197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1772.344780][T27197] Call Trace: [ 1772.348085][T27197] dump_stack+0x18f/0x20d [ 1772.352428][T27197] dump_header+0x106/0x60f [ 1772.356856][T27197] oom_kill_process.cold+0x10/0x15 [ 1772.361974][T27197] out_of_memory+0x326/0x1340 [ 1772.366661][T27197] ? oom_killer_disable+0x270/0x270 [ 1772.371867][T27197] ? mutex_trylock+0x246/0x2c0 [ 1772.376636][T27197] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1772.383327][T27197] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1772.389947][T27197] ? warn_alloc+0x120/0x120 [ 1772.394460][T27197] ? fs_reclaim_release+0x94/0xf0 [ 1772.399498][T27197] ? lock_is_held_type+0xb0/0xe0 [ 1772.404441][T27197] ? find_get_entry+0x3b2/0x8a0 [ 1772.409333][T27197] __alloc_pages_nodemask+0x5a3/0x700 [ 1772.414717][T27197] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1772.421498][T27197] ? page_cache_readahead_unbounded+0x572/0x850 [ 1772.427736][T27197] ? __lock_page_or_retry+0x650/0x650 [ 1772.433097][T27197] alloc_pages_current+0x187/0x280 [ 1772.438196][T27197] __page_cache_alloc+0x31e/0x450 [ 1772.443204][T27197] pagecache_get_page+0x2a6/0xf70 [ 1772.448213][T27197] ? __do_page_cache_readahead+0xc2/0xf0 [ 1772.453829][T27197] filemap_fault+0x1a94/0x2ab0 [ 1772.458593][T27197] ext4_filemap_fault+0x87/0xb6 [ 1772.463474][T27197] __do_fault+0x10d/0x4d0 [ 1772.467792][T27197] handle_mm_fault+0x37a3/0x43f0 [ 1772.472728][T27197] ? apply_to_existing_page_range+0x40/0x40 [ 1772.478615][T27197] do_user_addr_fault+0x5a2/0xd00 [ 1772.483644][T27197] exc_page_fault+0xab/0x170 [ 1772.488230][T27197] ? asm_exc_page_fault+0x8/0x30 [ 1772.493150][T27197] asm_exc_page_fault+0x1e/0x30 [ 1772.497981][T27197] RIP: 0033:0x43b58c [ 1772.501846][T27197] Code: Bad RIP value. [ 1772.505899][T27197] RSP: 002b:00007ffcc0f82178 EFLAGS: 00010287 [ 1772.511939][T27197] RAX: 000000000000002f RBX: 0000000000000000 RCX: 0000000000000027 [ 1772.519903][T27197] RDX: 0000000000000007 RSI: 00000000004c2527 RDI: 00000000004cb72f [ 1772.527853][T27197] RBP: 0000000000790000 R08: 0000000000000000 R09: 0000000000000004 [ 1772.535805][T27197] R10: 0000000000000075 R11: 0000000000000007 R12: 0000000000790008 [ 1772.543762][T27197] R13: 00007ffcc0f82370 R14: 0000000000000879 R15: 00007ffcc0f82380 [ 1772.614825][T27197] Mem-Info: [ 1772.618001][T27197] active_anon:189057 inactive_anon:4132 isolated_anon:0 [ 1772.618001][T27197] active_file:249 inactive_file:207 isolated_file:0 [ 1772.618001][T27197] unevictable:0 dirty:421 writeback:0 [ 1772.618001][T27197] slab_reclaimable:14601 slab_unreclaimable:96038 [ 1772.618001][T27197] mapped:53381 shmem:4360 pagetables:8891 bounce:0 [ 1772.618001][T27197] free:13679 free_pcp:65 free_cma:0 [ 1772.847469][T27197] Node 0 active_anon:756072kB inactive_anon:16524kB active_file:1380kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):256kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 612352kB writeback_tmp:0kB kernel_stack:18272kB all_unreclaimable? no [ 1772.896895][T27197] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1772.954378][T27197] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1772.998262][T27197] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1773.006967][T27197] Node 0 DMA32 free:17552kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:751972kB inactive_anon:16524kB active_file:668kB inactive_file:632kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:35476kB bounce:0kB free_pcp:492kB local_pcp:244kB free_cma:0kB [ 1773.046533][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1773.051334][T27197] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1773.080523][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1773.114329][T27197] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1773.143305][T27197] lowmem_reserve[]: 0 0 0 0 0 [ 1773.148056][T27197] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1773.193973][T27197] Node 0 DMA32: 2350*4kB (ME) 662*8kB (UME) 115*16kB (UME) 14*32kB (UM) 0*64kB 0*128kB 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17496kB [ 1773.250831][T27197] 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 [ 1773.274409][T27197] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1773.302433][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1773.325570][T27197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1773.334980][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1773.344793][T27197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1773.402130][T27197] 4810 total pagecache pages [ 1773.407677][T27197] 0 pages in swap cache [ 1773.412019][T27197] Swap cache stats: add 0, delete 0, find 0/0 [ 1773.424852][T27197] Free swap = 0kB [ 1773.428582][T27197] Total swap = 0kB [ 1773.432566][T27197] 1965979 pages RAM [ 1773.441778][T27197] 0 pages HighMem/MovableOnly [ 1773.449936][T27197] 349901 pages reserved [ 1773.494751][T27197] 0 pages cma reserved [ 1773.522713][T27197] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22554,uid=0 [ 1773.591357][T27197] Out of memory: Killed process 22554 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1773.850646][ T6495] cron invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1773.918172][ T6495] CPU: 1 PID: 6495 Comm: cron Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1773.933905][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1773.943966][ T6495] Call Trace: [ 1773.947283][ T6495] dump_stack+0x18f/0x20d [ 1773.951644][ T6495] dump_header+0x106/0x60f [ 1773.956077][ T6495] oom_kill_process.cold+0x10/0x15 [ 1773.961197][ T6495] out_of_memory+0x326/0x1340 [ 1773.965885][ T6495] ? oom_killer_disable+0x270/0x270 [ 1773.971611][ T6495] ? mutex_trylock+0x246/0x2c0 [ 1773.976381][ T6495] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1773.983084][ T6495] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1773.989703][ T6495] ? warn_alloc+0x120/0x120 [ 1773.995203][ T6495] ? fs_reclaim_release+0x94/0xf0 [ 1774.000241][ T6495] ? lock_is_held_type+0xb0/0xe0 [ 1774.005180][ T6495] ? find_get_entry+0x3b2/0x8a0 [ 1774.010051][ T6495] __alloc_pages_nodemask+0x5a3/0x700 [ 1774.015444][ T6495] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1774.022214][ T6495] ? page_cache_readahead_unbounded+0x572/0x850 [ 1774.028486][ T6495] ? __lock_page_or_retry+0x650/0x650 [ 1774.033887][ T6495] alloc_pages_current+0x187/0x280 [ 1774.039089][ T6495] __page_cache_alloc+0x31e/0x450 [ 1774.044119][ T6495] pagecache_get_page+0x2a6/0xf70 [ 1774.049146][ T6495] ? __do_page_cache_readahead+0xc2/0xf0 [ 1774.054788][ T6495] filemap_fault+0x1a94/0x2ab0 [ 1774.059565][ T6495] ext4_filemap_fault+0x87/0xb6 [ 1774.064417][ T6495] __do_fault+0x10d/0x4d0 [ 1774.068749][ T6495] handle_mm_fault+0x37a3/0x43f0 [ 1774.073702][ T6495] ? apply_to_existing_page_range+0x40/0x40 [ 1774.079620][ T6495] do_user_addr_fault+0x5a2/0xd00 [ 1774.084652][ T6495] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1774.090310][ T6495] exc_page_fault+0xab/0x170 [ 1774.094902][ T6495] ? asm_exc_page_fault+0x8/0x30 [ 1774.099841][ T6495] asm_exc_page_fault+0x1e/0x30 [ 1774.104716][ T6495] RIP: 0033:0x7fe7c07b7270 [ 1774.109144][ T6495] Code: Bad RIP value. [ 1774.113205][ T6495] RSP: 002b:00007fff5946c008 EFLAGS: 00010246 [ 1774.119356][ T6495] RAX: 0000000000000000 RBX: fffffffffffffeb0 RCX: 00007fe7c07b7270 [ 1774.127327][ T6495] RDX: 00007fff595e2080 RSI: 00007fff5946c010 RDI: 00007fff5946c010 [ 1774.135297][ T6495] RBP: 0000000000000002 R08: 0000000000000008 R09: 0000000000000000 [ 1774.143276][ T6495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1774.151254][ T6495] R13: 00007fff5946c160 R14: 0000000000000000 R15: 0000000000000000 [ 1774.179719][ T6495] Mem-Info: [ 1774.183163][ T6495] active_anon:188520 inactive_anon:4132 isolated_anon:0 [ 1774.183163][ T6495] active_file:185 inactive_file:228 isolated_file:32 [ 1774.183163][ T6495] unevictable:0 dirty:421 writeback:0 [ 1774.183163][ T6495] slab_reclaimable:14601 slab_unreclaimable:95981 [ 1774.183163][ T6495] mapped:53381 shmem:4360 pagetables:8891 bounce:0 [ 1774.183163][ T6495] free:13693 free_pcp:58 free_cma:0 [ 1774.221463][ T6495] Node 0 active_anon:753924kB inactive_anon:16524kB active_file:824kB inactive_file:796kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 612352kB writeback_tmp:0kB kernel_stack:18176kB all_unreclaimable? no [ 1774.323564][ T6495] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1774.513995][ T6495] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1774.654778][ T6495] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1774.674055][ T6495] Node 0 DMA32 free:17800kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:749808kB inactive_anon:16524kB active_file:740kB inactive_file:544kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:35372kB bounce:0kB free_pcp:472kB local_pcp:232kB free_cma:0kB [ 1774.710738][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1774.715575][ T6495] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1774.759314][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1774.764176][ T6495] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1774.932735][ T6495] lowmem_reserve[]: 0 0 0 0 0 [ 1774.957766][ T6495] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1775.012103][ T6495] Node 0 DMA32: 2357*4kB (UME) 676*8kB (UME) 124*16kB (UME) 14*32kB (UM) 1*64kB (U) 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17972kB [ 1775.028777][ T6495] 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 [ 1775.042376][ T6495] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1775.071824][ T6495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1775.081695][ T6495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1775.091398][ T6495] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1775.102908][ T6495] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1775.112603][ T6495] 4809 total pagecache pages [ 1775.118739][ T6495] 0 pages in swap cache [ 1775.123210][ T6495] Swap cache stats: add 0, delete 0, find 0/0 [ 1775.129452][ T6495] Free swap = 0kB [ 1775.133289][ T6495] Total swap = 0kB [ 1775.137191][ T6495] 1965979 pages RAM [ 1775.141216][ T6495] 0 pages HighMem/MovableOnly [ 1775.146126][ T6495] 349901 pages reserved [ 1775.150541][ T6495] 0 pages cma reserved [ 1775.154815][ T6495] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22457,uid=0 [ 1775.169729][ T6495] Out of memory: Killed process 22457 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1775.192258][ T1151] oom_reaper: reaped process 22457 (syz-executor.4), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1775.463393][T27196] syz-executor.3 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 1775.494610][T27196] CPU: 1 PID: 27196 Comm: syz-executor.3 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1775.505671][T27196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1775.515750][T27196] Call Trace: [ 1775.519073][T27196] dump_stack+0x18f/0x20d [ 1775.523433][T27196] dump_header+0x106/0x60f [ 1775.527875][T27196] oom_kill_process.cold+0x10/0x15 [ 1775.533012][T27196] out_of_memory+0x326/0x1340 [ 1775.537724][T27196] ? oom_killer_disable+0x270/0x270 [ 1775.543041][T27196] ? mutex_trylock+0x246/0x2c0 [ 1775.547831][T27196] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1775.554538][T27196] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1775.561174][T27196] ? warn_alloc+0x120/0x120 [ 1775.565710][T27196] ? fs_reclaim_release+0x94/0xf0 [ 1775.570768][T27196] ? lock_is_held_type+0xb0/0xe0 [ 1775.575744][T27196] ? find_get_entry+0x3b2/0x8a0 [ 1775.580629][T27196] __alloc_pages_nodemask+0x5a3/0x700 [ 1775.586041][T27196] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1775.592837][T27196] ? page_cache_readahead_unbounded+0x572/0x850 [ 1775.599109][T27196] ? __lock_page_or_retry+0x650/0x650 [ 1775.604513][T27196] alloc_pages_current+0x187/0x280 [ 1775.609793][T27196] __page_cache_alloc+0x31e/0x450 [ 1775.614845][T27196] pagecache_get_page+0x2a6/0xf70 [ 1775.619899][T27196] ? __do_page_cache_readahead+0xc2/0xf0 [ 1775.625558][T27196] filemap_fault+0x1a94/0x2ab0 [ 1775.630359][T27196] ext4_filemap_fault+0x87/0xb6 [ 1775.635239][T27196] __do_fault+0x10d/0x4d0 [ 1775.639598][T27196] handle_mm_fault+0x37a3/0x43f0 [ 1775.644570][T27196] ? apply_to_existing_page_range+0x40/0x40 [ 1775.650590][T27196] do_user_addr_fault+0x5a2/0xd00 [ 1775.655643][T27196] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1775.661211][T27196] exc_page_fault+0xab/0x170 [ 1775.665826][T27196] ? asm_exc_page_fault+0x8/0x30 [ 1775.670782][T27196] asm_exc_page_fault+0x1e/0x30 [ 1775.675653][T27196] RIP: 0033:0x41014f [ 1775.679554][T27196] Code: Bad RIP value. [ 1775.683631][T27196] RSP: 002b:00007ffdbb88d180 EFLAGS: 00010206 [ 1775.689713][T27196] RAX: 0000000020000000 RBX: 0000000000000000 RCX: 0000000020000100 [ 1775.698237][T27196] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000020000000 [ 1775.706531][T27196] RBP: 0000000000790168 R08: 0000000000000000 R09: 0000000000000000 [ 1775.714862][T27196] R10: 00007ffdbb88d260 R11: 0000000000000246 R12: 0000000000790170 [ 1775.723584][T27196] R13: 000000000018f24e R14: fffffffffffffffe R15: 000000000078bf0c [ 1775.748731][T27196] Mem-Info: [ 1775.751913][T27196] active_anon:187978 inactive_anon:4132 isolated_anon:0 [ 1775.751913][T27196] active_file:251 inactive_file:187 isolated_file:0 [ 1775.751913][T27196] unevictable:0 dirty:425 writeback:1 [ 1775.751913][T27196] slab_reclaimable:14597 slab_unreclaimable:95914 [ 1775.751913][T27196] mapped:53381 shmem:4360 pagetables:8839 bounce:0 [ 1775.751913][T27196] free:13875 free_pcp:58 free_cma:0 [ 1775.821300][T27196] Node 0 active_anon:751756kB inactive_anon:16524kB active_file:760kB inactive_file:820kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1700kB writeback:4kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 608256kB writeback_tmp:0kB kernel_stack:18016kB all_unreclaimable? no [ 1775.962465][T27196] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1775.994945][T27196] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1776.148789][T27196] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1776.173861][T27196] Node 0 DMA32 free:17860kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:747656kB inactive_anon:16524kB active_file:1080kB inactive_file:476kB unevictable:0kB writepending:1704kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:35268kB bounce:0kB free_pcp:476kB local_pcp:232kB free_cma:0kB [ 1776.222171][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1776.228350][T27196] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1776.289585][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1776.303885][T27196] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1776.364604][T27196] lowmem_reserve[]: 0 0 0 0 0 [ 1776.369478][T27196] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1776.413905][T27196] Node 0 DMA32: 2367*4kB (UME) 669*8kB (UME) 131*16kB (UME) 15*32kB (UM) 0*64kB 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17780kB [ 1776.453867][T27196] 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 [ 1776.527585][T27196] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1776.581119][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1776.612936][T27196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1776.701930][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1776.749698][T27196] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1776.792088][T27196] 4811 total pagecache pages [ 1776.816410][T27196] 0 pages in swap cache [ 1776.820684][T27196] Swap cache stats: add 0, delete 0, find 0/0 [ 1776.841220][T27196] Free swap = 0kB [ 1776.845071][T27196] Total swap = 0kB [ 1776.848935][T27196] 1965979 pages RAM [ 1776.852959][T27196] 0 pages HighMem/MovableOnly [ 1776.858492][T27196] 349901 pages reserved [ 1776.862664][T27196] 0 pages cma reserved [ 1776.868064][T27196] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=22451,uid=0 [ 1776.882592][T27196] Out of memory: Killed process 22451 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1777.058237][ T6797] syz-fuzzer invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1777.098047][ T6797] CPU: 0 PID: 6797 Comm: syz-fuzzer Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1777.107541][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1777.117746][ T6797] Call Trace: [ 1777.121065][ T6797] dump_stack+0x18f/0x20d [ 1777.125510][ T6797] dump_header+0x106/0x60f [ 1777.130068][ T6797] oom_kill_process.cold+0x10/0x15 [ 1777.135217][ T6797] out_of_memory+0x326/0x1340 [ 1777.139935][ T6797] ? oom_killer_disable+0x270/0x270 [ 1777.145482][ T6797] ? mutex_trylock+0x246/0x2c0 [ 1777.150287][ T6797] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1777.156998][ T6797] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1777.163641][ T6797] ? warn_alloc+0x120/0x120 [ 1777.168171][ T6797] ? fs_reclaim_release+0x94/0xf0 [ 1777.173342][ T6797] ? lock_is_held_type+0xb0/0xe0 [ 1777.178300][ T6797] ? find_get_entry+0x3b2/0x8a0 [ 1777.183191][ T6797] __alloc_pages_nodemask+0x5a3/0x700 [ 1777.188603][ T6797] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1777.195393][ T6797] ? page_cache_readahead_unbounded+0x572/0x850 [ 1777.201657][ T6797] ? __lock_page_or_retry+0x650/0x650 [ 1777.207062][ T6797] alloc_pages_current+0x187/0x280 [ 1777.212207][ T6797] __page_cache_alloc+0x31e/0x450 [ 1777.217266][ T6797] pagecache_get_page+0x2a6/0xf70 [ 1777.222323][ T6797] ? __do_page_cache_readahead+0xc2/0xf0 [ 1777.227993][ T6797] filemap_fault+0x1a94/0x2ab0 [ 1777.232799][ T6797] ext4_filemap_fault+0x87/0xb6 [ 1777.237860][ T6797] __do_fault+0x10d/0x4d0 [ 1777.242222][ T6797] handle_mm_fault+0x37a3/0x43f0 [ 1777.247192][ T6797] ? apply_to_existing_page_range+0x40/0x40 [ 1777.253266][ T6797] ? vmacache_update+0xce/0x140 [ 1777.258141][ T6797] do_user_addr_fault+0x5a2/0xd00 [ 1777.263416][ T6797] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1777.268997][ T6797] exc_page_fault+0xab/0x170 [ 1777.273776][ T6797] ? asm_exc_page_fault+0x8/0x30 [ 1777.278735][ T6797] asm_exc_page_fault+0x1e/0x30 [ 1777.283885][ T6797] RIP: 0033:0x437d60 [ 1777.287790][ T6797] Code: Bad RIP value. [ 1777.291987][ T6797] RSP: 002b:000000c000040728 EFLAGS: 00010206 [ 1777.298251][ T6797] RAX: 0000000000000000 RBX: 000000c000042380 RCX: 0000017cc53fb603 [ 1777.306245][ T6797] RDX: 0000000017a93a1a RSI: 0000000000000663 RDI: 00007ffebc9ed080 [ 1777.314237][ T6797] RBP: 000000c000040750 R08: 0000000000000000 R09: 00007ffebc9ed090 [ 1777.322455][ T6797] R10: 000000000004eea4 R11: 0000000000000202 R12: 00000189b172fbd3 [ 1777.330536][ T6797] R13: 0000000000000001 R14: 00000189b172fbd3 R15: 0000000000000000 [ 1777.448968][ T6797] Mem-Info: [ 1777.452355][ T6797] active_anon:187440 inactive_anon:4132 isolated_anon:0 [ 1777.452355][ T6797] active_file:244 inactive_file:162 isolated_file:47 [ 1777.452355][ T6797] unevictable:0 dirty:425 writeback:1 [ 1777.452355][ T6797] slab_reclaimable:14597 slab_unreclaimable:96216 [ 1777.452355][ T6797] mapped:53381 shmem:4360 pagetables:8839 bounce:0 [ 1777.452355][ T6797] free:13726 free_pcp:121 free_cma:0 [ 1777.504170][ T6797] Node 0 active_anon:749604kB inactive_anon:16524kB active_file:1252kB inactive_file:348kB unevictable:0kB isolated(anon):0kB isolated(file):188kB mapped:213524kB dirty:1700kB writeback:4kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 608256kB writeback_tmp:0kB kernel_stack:18016kB all_unreclaimable? no [ 1777.665204][ T6797] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1777.777846][ T6797] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1777.813444][ T6797] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1777.819276][ T6797] Node 0 DMA32 free:17856kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:745488kB inactive_anon:16524kB active_file:1124kB inactive_file:640kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:35164kB bounce:0kB free_pcp:240kB local_pcp:240kB free_cma:0kB [ 1777.851847][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1777.857505][ T6797] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1778.032102][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1778.056781][ T6797] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1778.143613][ T6797] lowmem_reserve[]: 0 0 0 0 0 [ 1778.161089][ T6797] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1778.186687][ T6797] Node 0 DMA32: 2379*4kB (UME) 677*8kB (UME) 129*16kB (UME) 14*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17892kB [ 1778.207924][ T6797] 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 [ 1778.283441][ T6797] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1778.373764][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1778.385670][ T6797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1778.400587][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1778.410904][ T6797] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1778.420785][ T6797] 4810 total pagecache pages [ 1778.425442][ T6797] 0 pages in swap cache [ 1778.429614][ T6797] Swap cache stats: add 0, delete 0, find 0/0 [ 1778.438488][ T6797] Free swap = 0kB [ 1778.442226][ T6797] Total swap = 0kB [ 1778.446740][ T6797] 1965979 pages RAM [ 1778.450774][ T6797] 0 pages HighMem/MovableOnly [ 1778.456319][ T6797] 349901 pages reserved [ 1778.464108][ T6797] 0 pages cma reserved [ 1778.468200][ T6797] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=20416,uid=0 [ 1778.564131][ T6797] Out of memory: Killed process 20416 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1778.712786][ T1] systemd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1778.740124][ T1] CPU: 0 PID: 1 Comm: systemd Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1778.749227][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1778.759386][ T1] Call Trace: [ 1778.762703][ T1] dump_stack+0x18f/0x20d [ 1778.767143][ T1] dump_header+0x106/0x60f [ 1778.771874][ T1] oom_kill_process.cold+0x10/0x15 [ 1778.777008][ T1] out_of_memory+0x326/0x1340 [ 1778.781706][ T1] ? oom_killer_disable+0x270/0x270 [ 1778.786927][ T1] ? mutex_trylock+0x246/0x2c0 [ 1778.791705][ T1] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1778.798401][ T1] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1778.805032][ T1] ? warn_alloc+0x120/0x120 [ 1778.809829][ T1] ? fs_reclaim_release+0x94/0xf0 [ 1778.814873][ T1] ? lock_is_held_type+0xb0/0xe0 [ 1778.819826][ T1] ? find_get_entry+0x3b2/0x8a0 [ 1778.824701][ T1] __alloc_pages_nodemask+0x5a3/0x700 [ 1778.830095][ T1] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1778.837058][ T1] ? page_cache_readahead_unbounded+0x572/0x850 [ 1778.843317][ T1] ? __lock_page_or_retry+0x650/0x650 [ 1778.848713][ T1] alloc_pages_current+0x187/0x280 [ 1778.853930][ T1] __page_cache_alloc+0x31e/0x450 [ 1778.859118][ T1] pagecache_get_page+0x2a6/0xf70 [ 1778.864305][ T1] ? __do_page_cache_readahead+0xc2/0xf0 [ 1778.870030][ T1] filemap_fault+0x1a94/0x2ab0 [ 1778.875026][ T1] ext4_filemap_fault+0x87/0xb6 [ 1778.880031][ T1] __do_fault+0x10d/0x4d0 [ 1778.884383][ T1] handle_mm_fault+0x37a3/0x43f0 [ 1778.889348][ T1] ? apply_to_existing_page_range+0x40/0x40 [ 1778.895271][ T1] ? vmacache_update+0xce/0x140 [ 1778.900149][ T1] do_user_addr_fault+0x5a2/0xd00 [ 1778.905326][ T1] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1778.910891][ T1] exc_page_fault+0xab/0x170 [ 1778.915499][ T1] ? asm_exc_page_fault+0x8/0x30 [ 1778.920455][ T1] asm_exc_page_fault+0x1e/0x30 [ 1778.925842][ T1] RIP: 0033:0x7f65bb0fc303 [ 1778.930265][ T1] Code: Bad RIP value. [ 1778.934342][ T1] RSP: 002b:00007ffc671f0140 EFLAGS: 00010293 [ 1778.940504][ T1] RAX: 0000000000000001 RBX: 000056361fabcf50 RCX: 00007f65bb0fc303 [ 1778.948486][ T1] RDX: 0000000000000025 RSI: 00007ffc671f0150 RDI: 0000000000000004 [ 1778.956605][ T1] RBP: 00007ffc671f0410 R08: 88c28ea7978d42a3 R09: 0000000000004f60 [ 1778.964596][ T1] R10: 00000000ffffffff R11: 0000000000000293 R12: 00007ffc671f0150 [ 1778.972675][ T1] R13: 0000000000000001 R14: ffffffffffffffff R15: 0000000000000002 [ 1779.081826][ T1] Mem-Info: [ 1779.085257][ T1] active_anon:186902 inactive_anon:4132 isolated_anon:0 [ 1779.085257][ T1] active_file:210 inactive_file:196 isolated_file:32 [ 1779.085257][ T1] unevictable:0 dirty:421 writeback:0 [ 1779.085257][ T1] slab_reclaimable:14597 slab_unreclaimable:96211 [ 1779.085257][ T1] mapped:53381 shmem:4360 pagetables:8813 bounce:0 [ 1779.085257][ T1] free:13664 free_pcp:113 free_cma:0 [ 1779.124722][ T1] Node 0 active_anon:747452kB inactive_anon:16524kB active_file:596kB inactive_file:1188kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 606208kB writeback_tmp:0kB kernel_stack:18016kB all_unreclaimable? no [ 1779.156152][ T1] Node 1 active_anon:156kB inactive_anon:4kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1779.349585][ T1] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1779.443528][ T1] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1779.455306][ T1] Node 0 DMA32 free:17520kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:743352kB inactive_anon:16524kB active_file:1124kB inactive_file:660kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:35164kB bounce:0kB free_pcp:232kB local_pcp:0kB free_cma:0kB [ 1779.528954][ T1] lowmem_reserve[]: 0 0 0 0 0 [ 1779.533850][ T1] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1779.562032][ T1] lowmem_reserve[]: 0 0 0 0 0 [ 1779.568903][ T1] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1779.599754][ T1] lowmem_reserve[]: 0 0 0 0 0 [ 1779.633733][ T1] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1779.670920][ T1] Node 0 DMA32: 2387*4kB (ME) 679*8kB (UME) 119*16kB (UME) 13*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17300kB [ 1779.696307][ T1] 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 [ 1779.715613][ T1] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1779.739724][ T1] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1779.765743][ T1] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1779.782421][ T1] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1779.792593][ T1] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1779.809623][ T1] 4810 total pagecache pages [ 1779.815759][ T1] 0 pages in swap cache [ 1779.820350][ T1] Swap cache stats: add 0, delete 0, find 0/0 [ 1779.833591][ T1] Free swap = 0kB [ 1779.839054][ T1] Total swap = 0kB [ 1779.842980][ T1] 1965979 pages RAM [ 1779.852971][ T1] 0 pages HighMem/MovableOnly [ 1779.858024][ T1] 349901 pages reserved [ 1779.862268][ T1] 0 pages cma reserved [ 1779.866497][ T1] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=19311,uid=0 [ 1779.911463][ T1] Out of memory: Killed process 19311 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1779.988250][ T6508] in:imklog invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1780.023908][ T6508] CPU: 1 PID: 6508 Comm: in:imklog Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1780.033704][ T6508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1780.043781][ T6508] Call Trace: [ 1780.047453][ T6508] dump_stack+0x18f/0x20d [ 1780.052167][ T6508] dump_header+0x106/0x60f [ 1780.056612][ T6508] oom_kill_process.cold+0x10/0x15 [ 1780.061894][ T6508] out_of_memory+0x326/0x1340 [ 1780.066611][ T6508] ? oom_killer_disable+0x270/0x270 [ 1780.071831][ T6508] ? mutex_trylock+0x246/0x2c0 [ 1780.076785][ T6508] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1780.084449][ T6508] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1780.091308][ T6508] ? warn_alloc+0x120/0x120 [ 1780.095835][ T6508] ? fs_reclaim_release+0x94/0xf0 [ 1780.100971][ T6508] ? lock_is_held_type+0xb0/0xe0 [ 1780.106155][ T6508] ? find_get_entry+0x3b2/0x8a0 [ 1780.111137][ T6508] __alloc_pages_nodemask+0x5a3/0x700 [ 1780.116781][ T6508] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1780.123750][ T6508] ? page_cache_readahead_unbounded+0x572/0x850 [ 1780.130140][ T6508] ? __lock_page_or_retry+0x650/0x650 [ 1780.135537][ T6508] alloc_pages_current+0x187/0x280 [ 1780.140847][ T6508] __page_cache_alloc+0x31e/0x450 [ 1780.145988][ T6508] pagecache_get_page+0x2a6/0xf70 [ 1780.151253][ T6508] ? __do_page_cache_readahead+0xc2/0xf0 [ 1780.157034][ T6508] filemap_fault+0x1a94/0x2ab0 [ 1780.161924][ T6508] ext4_filemap_fault+0x87/0xb6 [ 1780.166801][ T6508] __do_fault+0x10d/0x4d0 [ 1780.171252][ T6508] handle_mm_fault+0x37a3/0x43f0 [ 1780.176368][ T6508] ? apply_to_existing_page_range+0x40/0x40 [ 1780.182314][ T6508] do_user_addr_fault+0x5a2/0xd00 [ 1780.187367][ T6508] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1780.193022][ T6508] exc_page_fault+0xab/0x170 [ 1780.197692][ T6508] ? asm_exc_page_fault+0x8/0x30 [ 1780.202624][ T6508] asm_exc_page_fault+0x1e/0x30 [ 1780.207678][ T6508] RIP: 0033:0x7fefec555239 [ 1780.212084][ T6508] Code: Bad RIP value. [ 1780.216140][ T6508] RSP: 002b:00007fefe9ef1580 EFLAGS: 00010297 [ 1780.222251][ T6508] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fefec55522d [ 1780.230222][ T6508] RDX: 0000000000000955 RSI: 00007fefe9ef1da0 RDI: 0000000000000000 [ 1780.238334][ T6508] RBP: 00005623e0e7c9d0 R08: 0000000000000000 R09: 0000000000000000 [ 1780.246487][ T6508] R10: 2ce33e6c02ce33e7 R11: 0000000000000000 R12: 00007fefe9ef1da0 [ 1780.254621][ T6508] R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007fefe9ef3c5e [ 1780.266111][ T6508] Mem-Info: [ 1780.269422][ T6508] active_anon:186364 inactive_anon:4132 isolated_anon:0 [ 1780.269422][ T6508] active_file:244 inactive_file:207 isolated_file:32 [ 1780.269422][ T6508] unevictable:0 dirty:421 writeback:0 [ 1780.269422][ T6508] slab_reclaimable:14596 slab_unreclaimable:96031 [ 1780.269422][ T6508] mapped:53381 shmem:4360 pagetables:8787 bounce:0 [ 1780.269422][ T6508] free:14156 free_pcp:131 free_cma:0 [ 1780.306756][ T6508] Node 0 active_anon:745300kB inactive_anon:16524kB active_file:580kB inactive_file:976kB unevictable:0kB isolated(anon):0kB isolated(file):256kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 604160kB writeback_tmp:0kB kernel_stack:17984kB all_unreclaimable? no [ 1780.336946][ T6508] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1780.364458][ T6508] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1780.396938][ T6508] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1780.402880][ T6508] Node 0 DMA32 free:19472kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:741200kB inactive_anon:16524kB active_file:1016kB inactive_file:524kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:35060kB bounce:0kB free_pcp:240kB local_pcp:0kB free_cma:0kB [ 1780.431822][T24284] syz-executor.2(24284): getblk(): executed=c9 bh_count=1 bh_state=3006019 bdev_super_blocksize=4096 size=4096 bdev_super_blocksize_bits=12 bdev_inode_blkbits=12 [ 1780.433754][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1780.492258][ T6508] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1780.526340][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1780.531419][ T6508] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1780.561272][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1780.572855][ T6508] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1780.595514][ T6508] Node 0 DMA32: 2368*4kB (ME) 670*8kB (UME) 119*16kB (UME) 13*32kB (UM) 0*64kB 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 17792kB [ 1780.712022][ T6508] 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 [ 1780.748593][ T6508] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1780.803914][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1780.813749][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1780.876384][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1780.899375][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1780.921369][ T6508] 4812 total pagecache pages [ 1780.926185][ T6508] 0 pages in swap cache [ 1780.930578][ T6508] Swap cache stats: add 0, delete 0, find 0/0 [ 1780.937368][ T6508] Free swap = 0kB [ 1780.941194][ T6508] Total swap = 0kB [ 1780.945218][ T6508] 1965979 pages RAM [ 1780.949180][ T6508] 0 pages HighMem/MovableOnly [ 1780.954734][ T6508] 349901 pages reserved [ 1780.959122][ T6508] 0 pages cma reserved [ 1780.963248][ T6508] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=19307,uid=0 [ 1780.996998][ T6508] Out of memory: Killed process 19307 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1781.113764][ T6814] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1781.154308][ T6814] CPU: 0 PID: 6814 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1781.165408][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1781.175625][ T6814] Call Trace: [ 1781.179165][ T6814] dump_stack+0x18f/0x20d [ 1781.183531][ T6814] dump_header+0x106/0x60f [ 1781.187980][ T6814] oom_kill_process.cold+0x10/0x15 [ 1781.193264][ T6814] out_of_memory+0x326/0x1340 [ 1781.198121][ T6814] ? oom_killer_disable+0x270/0x270 [ 1781.203469][ T6814] ? mutex_trylock+0x246/0x2c0 [ 1781.208531][ T6814] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1781.215440][ T6814] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1781.222233][ T6814] ? warn_alloc+0x120/0x120 [ 1781.226843][ T6814] ? fs_reclaim_release+0x94/0xf0 [ 1781.231990][ T6814] ? lock_is_held_type+0xb0/0xe0 [ 1781.237131][ T6814] ? find_get_entry+0x3b2/0x8a0 [ 1781.242255][ T6814] __alloc_pages_nodemask+0x5a3/0x700 [ 1781.247784][ T6814] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1781.254815][ T6814] ? page_cache_readahead_unbounded+0x572/0x850 [ 1781.261177][ T6814] ? __lock_page_or_retry+0x650/0x650 [ 1781.266774][ T6814] alloc_pages_current+0x187/0x280 [ 1781.272033][ T6814] __page_cache_alloc+0x31e/0x450 [ 1781.277416][ T6814] pagecache_get_page+0x2a6/0xf70 [ 1781.282612][ T6814] ? __do_page_cache_readahead+0xc2/0xf0 [ 1781.288277][ T6814] filemap_fault+0x1a94/0x2ab0 [ 1781.293167][ T6814] ext4_filemap_fault+0x87/0xb6 [ 1781.298147][ T6814] __do_fault+0x10d/0x4d0 [ 1781.302667][ T6814] handle_mm_fault+0x37a3/0x43f0 [ 1781.307775][ T6814] ? apply_to_existing_page_range+0x40/0x40 [ 1781.314161][ T6814] do_user_addr_fault+0x5a2/0xd00 [ 1781.319215][ T6814] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1781.324906][ T6814] exc_page_fault+0xab/0x170 [ 1781.330266][ T6814] ? asm_exc_page_fault+0x8/0x30 [ 1781.335388][ T6814] asm_exc_page_fault+0x1e/0x30 [ 1781.340337][ T6814] RIP: 0033:0x45cae4 [ 1781.344236][ T6814] Code: Bad RIP value. [ 1781.348597][ T6814] RSP: 002b:00007fff992868a0 EFLAGS: 00010217 [ 1781.356000][ T6814] RAX: 0000000000000000 RBX: 000000000018f0dc RCX: 000000000045b030 [ 1781.364047][ T6814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff992868a0 [ 1781.372452][ T6814] RBP: 000000000000086a R08: 0000000000000001 R09: 00000000017f2940 [ 1781.380828][ T6814] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1781.389402][ T6814] R13: 00007fff992868f0 R14: 000000000018f0dc R15: 00007fff99286900 [ 1781.418609][ T6814] Mem-Info: [ 1781.421887][ T6814] active_anon:185823 inactive_anon:4132 isolated_anon:0 [ 1781.421887][ T6814] active_file:240 inactive_file:211 isolated_file:15 [ 1781.421887][ T6814] unevictable:0 dirty:422 writeback:2 [ 1781.421887][ T6814] slab_reclaimable:14596 slab_unreclaimable:96119 [ 1781.421887][ T6814] mapped:53381 shmem:4360 pagetables:8761 bounce:0 [ 1781.421887][ T6814] free:13661 free_pcp:115 free_cma:0 [ 1781.461801][ T6814] Node 0 active_anon:743136kB inactive_anon:16524kB active_file:696kB inactive_file:900kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1688kB writeback:8kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 602112kB writeback_tmp:0kB kernel_stack:17856kB all_unreclaimable? yes [ 1781.492889][ T6814] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1781.522131][ T6814] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1781.562314][ T6814] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1781.577778][ T6814] Node 0 DMA32 free:17708kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:739020kB inactive_anon:16524kB active_file:780kB inactive_file:1064kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:34852kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1781.636017][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1781.640962][ T6814] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1781.668239][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1781.672950][ T6814] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1781.731057][ T6814] lowmem_reserve[]: 0 0 0 0 0 [ 1781.737977][ T6814] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1781.765605][ T6814] Node 0 DMA32: 2390*4kB (ME) 670*8kB (ME) 118*16kB (ME) 12*32kB (M) 1*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17384kB [ 1781.780585][ T6814] 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 [ 1781.792303][ T6814] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1781.810737][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1781.820755][ T6814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1781.843507][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1781.855066][ T6814] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1781.864705][ T6814] 4811 total pagecache pages [ 1781.869526][ T6814] 0 pages in swap cache [ 1781.874230][ T6814] Swap cache stats: add 0, delete 0, find 0/0 [ 1781.880358][ T6814] Free swap = 0kB [ 1781.888461][ T6814] Total swap = 0kB [ 1781.892389][ T6814] 1965979 pages RAM [ 1781.896286][ T6814] 0 pages HighMem/MovableOnly [ 1781.901019][ T6814] 349901 pages reserved [ 1781.905319][ T6814] 0 pages cma reserved [ 1781.909640][ T6814] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=19296,uid=0 [ 1781.931909][ T6814] Out of memory: Killed process 19296 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1781.960445][ T1151] oom_reaper: reaped process 19296 (syz-executor.4), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 1782.012155][ T6508] in:imklog invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1782.030896][ T6508] CPU: 0 PID: 6508 Comm: in:imklog Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1782.040296][ T6508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1782.050385][ T6508] Call Trace: [ 1782.053793][ T6508] dump_stack+0x18f/0x20d [ 1782.058311][ T6508] dump_header+0x106/0x60f [ 1782.062751][ T6508] oom_kill_process.cold+0x10/0x15 [ 1782.067905][ T6508] out_of_memory+0x326/0x1340 [ 1782.072751][ T6508] ? oom_killer_disable+0x270/0x270 [ 1782.078305][ T6508] ? mutex_trylock+0x246/0x2c0 [ 1782.083185][ T6508] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1782.089884][ T6508] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1782.096510][ T6508] ? warn_alloc+0x120/0x120 [ 1782.101119][ T6508] ? fs_reclaim_release+0x94/0xf0 [ 1782.106317][ T6508] ? lock_is_held_type+0xb0/0xe0 [ 1782.111381][ T6508] ? find_get_entry+0x3b2/0x8a0 [ 1782.116396][ T6508] __alloc_pages_nodemask+0x5a3/0x700 [ 1782.121802][ T6508] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1782.129618][ T6508] ? page_cache_readahead_unbounded+0x572/0x850 [ 1782.135888][ T6508] ? __lock_page_or_retry+0x650/0x650 [ 1782.141449][ T6508] alloc_pages_current+0x187/0x280 [ 1782.146596][ T6508] __page_cache_alloc+0x31e/0x450 [ 1782.151996][ T6508] pagecache_get_page+0x2a6/0xf70 [ 1782.157053][ T6508] ? __do_page_cache_readahead+0xc2/0xf0 [ 1782.162714][ T6508] filemap_fault+0x1a94/0x2ab0 [ 1782.167599][ T6508] ext4_filemap_fault+0x87/0xb6 [ 1782.172806][ T6508] __do_fault+0x10d/0x4d0 [ 1782.177165][ T6508] handle_mm_fault+0x37a3/0x43f0 [ 1782.182120][ T6508] ? apply_to_existing_page_range+0x40/0x40 [ 1782.188740][ T6508] do_user_addr_fault+0x5a2/0xd00 [ 1782.194029][ T6508] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1782.199759][ T6508] exc_page_fault+0xab/0x170 [ 1782.204380][ T6508] ? asm_exc_page_fault+0x8/0x30 [ 1782.209341][ T6508] asm_exc_page_fault+0x1e/0x30 [ 1782.214363][ T6508] RIP: 0033:0x7fefec555239 [ 1782.218795][ T6508] Code: Bad RIP value. [ 1782.222959][ T6508] RSP: 002b:00007fefe9ef1580 EFLAGS: 00010297 [ 1782.229157][ T6508] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fefec55522d [ 1782.237555][ T6508] RDX: 0000000000000955 RSI: 00007fefe9ef1da0 RDI: 0000000000000000 [ 1782.245742][ T6508] RBP: 00005623e0e7c9d0 R08: 0000000000000000 R09: 0000000000000000 [ 1782.254267][ T6508] R10: 2ce33e6c02ce33e7 R11: 0000000000000000 R12: 00007fefe9ef1da0 [ 1782.262532][ T6508] R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007fefe9ef3c5e [ 1782.461755][ T6508] Mem-Info: [ 1782.467458][ T6508] active_anon:185281 inactive_anon:4132 isolated_anon:0 [ 1782.467458][ T6508] active_file:142 inactive_file:306 isolated_file:0 [ 1782.467458][ T6508] unevictable:0 dirty:421 writeback:0 [ 1782.467458][ T6508] slab_reclaimable:14595 slab_unreclaimable:95935 [ 1782.467458][ T6508] mapped:53381 shmem:4360 pagetables:8735 bounce:0 [ 1782.467458][ T6508] free:13657 free_pcp:64 free_cma:0 [ 1782.506513][ T6508] Node 0 active_anon:740952kB inactive_anon:16524kB active_file:916kB inactive_file:828kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 598016kB writeback_tmp:0kB kernel_stack:17856kB all_unreclaimable? yes [ 1782.545395][ T6508] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1782.573563][ T6508] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1782.608927][ T6508] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1782.617038][ T6508] Node 0 DMA32 free:17596kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:736852kB inactive_anon:16524kB active_file:512kB inactive_file:796kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:34748kB bounce:0kB free_pcp:288kB local_pcp:48kB free_cma:0kB [ 1782.647881][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1782.652593][ T6508] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1782.700137][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1782.704967][ T6508] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1782.743001][ T6508] lowmem_reserve[]: 0 0 0 0 0 [ 1782.747880][ T6508] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1782.764506][ T6508] Node 0 DMA32: 2330*4kB (ME) 658*8kB (UME) 119*16kB (UME) 15*32kB (UM) 1*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17160kB [ 1782.780101][ T6508] 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 [ 1782.792866][ T6508] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1782.833585][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1782.843431][ T6508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1782.858097][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1782.867948][ T6508] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1782.878032][ T6508] 4810 total pagecache pages [ 1782.882726][ T6508] 0 pages in swap cache [ 1782.887250][ T6508] Swap cache stats: add 0, delete 0, find 0/0 [ 1782.894792][ T6508] Free swap = 0kB [ 1782.898526][ T6508] Total swap = 0kB [ 1782.902521][ T6508] 1965979 pages RAM [ 1782.906488][ T6508] 0 pages HighMem/MovableOnly [ 1782.911778][ T6508] 349901 pages reserved [ 1782.916130][ T6508] 0 pages cma reserved [ 1782.920447][ T6508] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=18949,uid=0 [ 1782.969036][ T6508] Out of memory: Killed process 18949 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1783.102230][ T3873] systemd-journal invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1783.119346][ T3873] CPU: 1 PID: 3873 Comm: systemd-journal Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1783.129579][ T3873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1783.140676][ T3873] Call Trace: [ 1783.143976][ T3873] dump_stack+0x18f/0x20d [ 1783.149134][ T3873] dump_header+0x106/0x60f [ 1783.153599][ T3873] oom_kill_process.cold+0x10/0x15 [ 1783.158901][ T3873] out_of_memory+0x326/0x1340 [ 1783.163729][ T3873] ? oom_killer_disable+0x270/0x270 [ 1783.169674][ T3873] ? mutex_trylock+0x246/0x2c0 [ 1783.174446][ T3873] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1783.186542][ T3873] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1783.193147][ T3873] ? warn_alloc+0x120/0x120 [ 1783.197787][ T3873] ? fs_reclaim_release+0x94/0xf0 [ 1783.202866][ T3873] ? lock_is_held_type+0xb0/0xe0 [ 1783.207825][ T3873] ? find_get_entry+0x3b2/0x8a0 [ 1783.212682][ T3873] __alloc_pages_nodemask+0x5a3/0x700 [ 1783.218148][ T3873] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1783.225388][ T3873] ? page_cache_readahead_unbounded+0x572/0x850 [ 1783.231630][ T3873] ? __lock_page_or_retry+0x650/0x650 [ 1783.237046][ T3873] alloc_pages_current+0x187/0x280 [ 1783.242485][ T3873] __page_cache_alloc+0x31e/0x450 [ 1783.247521][ T3873] pagecache_get_page+0x2a6/0xf70 [ 1783.252548][ T3873] ? __do_page_cache_readahead+0xc2/0xf0 [ 1783.258412][ T3873] filemap_fault+0x1a94/0x2ab0 [ 1783.263322][ T3873] ext4_filemap_fault+0x87/0xb6 [ 1783.269218][ T3873] __do_fault+0x10d/0x4d0 [ 1783.273593][ T3873] handle_mm_fault+0x37a3/0x43f0 [ 1783.278529][ T3873] ? apply_to_existing_page_range+0x40/0x40 [ 1783.284477][ T3873] do_user_addr_fault+0x5a2/0xd00 [ 1783.289768][ T3873] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1783.295635][ T3873] exc_page_fault+0xab/0x170 [ 1783.300814][ T3873] ? asm_exc_page_fault+0x8/0x30 [ 1783.305753][ T3873] asm_exc_page_fault+0x1e/0x30 [ 1783.310648][ T3873] RIP: 0033:0x7fb1de32f2e3 [ 1783.315359][ T3873] Code: Bad RIP value. [ 1783.319480][ T3873] RSP: 002b:00007ffe3d83c058 EFLAGS: 00010246 [ 1783.325632][ T3873] RAX: 0000000000000001 RBX: 000055ce75f621e0 RCX: 00007fb1de32f2e3 [ 1783.334818][ T3873] RDX: 0000000000000013 RSI: 00007ffe3d83c060 RDI: 0000000000000008 [ 1783.342986][ T3873] RBP: 00007ffe3d83c250 R08: 0000000000000000 R09: 00007ffe3d91e080 [ 1783.352853][ T3873] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3d83c060 [ 1783.360972][ T3873] R13: 0000000000000001 R14: ffffffffffffffff R15: 0005a9e6550b3dc4 [ 1783.389213][ T3873] Mem-Info: [ 1783.392424][ T3873] active_anon:184743 inactive_anon:4132 isolated_anon:0 [ 1783.392424][ T3873] active_file:236 inactive_file:182 isolated_file:32 [ 1783.392424][ T3873] unevictable:0 dirty:421 writeback:0 [ 1783.392424][ T3873] slab_reclaimable:14595 slab_unreclaimable:95746 [ 1783.392424][ T3873] mapped:53381 shmem:4360 pagetables:8709 bounce:0 [ 1783.392424][ T3873] free:13725 free_pcp:62 free_cma:0 [ 1783.430482][ T3873] Node 0 active_anon:738816kB inactive_anon:16524kB active_file:800kB inactive_file:912kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 598016kB writeback_tmp:0kB kernel_stack:17792kB all_unreclaimable? no [ 1783.460937][ T3873] Node 1 active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1783.490037][ T3873] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1783.538925][ T3873] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1783.544847][ T3873] Node 0 DMA32 free:17932kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:734700kB inactive_anon:16524kB active_file:1036kB inactive_file:544kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:34644kB bounce:0kB free_pcp:484kB local_pcp:232kB free_cma:0kB [ 1783.576510][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1783.581688][ T3873] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1783.610207][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1783.615293][ T3873] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1783.651240][ T3873] lowmem_reserve[]: 0 0 0 0 0 [ 1783.656182][ T3873] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1783.673022][ T3873] Node 0 DMA32: 2393*4kB (UME) 693*8kB (UME) 126*16kB (UME) 23*32kB (UM) 4*64kB (U) 2*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18380kB [ 1783.689895][ T1150] INFO: task syz-executor.1:27173 can't die for more than 143 seconds. [ 1783.700984][ T1150] syz-executor.1 D26504 27173 6968 0x10104006 [ 1783.707620][ T1150] Call Trace: [ 1783.711325][ T1150] __schedule+0x8b4/0x1e80 [ 1783.717213][ T3873] 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 [ 1783.729639][ T1150] ? io_schedule_timeout+0x140/0x140 [ 1783.735030][ T3873] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1783.752280][ T1150] ? enqueue_timer+0x420/0x420 [ 1783.757125][ T1150] ? msleep+0x63/0xf0 [ 1783.761168][ T1150] schedule+0xd0/0x2a0 [ 1783.781995][ T1150] schedule_timeout+0x148/0x250 [ 1783.786979][ T1150] ? usleep_range+0x170/0x170 [ 1783.791949][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1783.802629][ T1150] ? __next_timer_interrupt+0x190/0x190 [ 1783.808348][ T1150] ? __lock_acquire+0xc1e/0x56e0 [ 1783.813321][ T1150] msleep+0xa4/0xf0 [ 1783.817430][ T3873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1783.828289][ T1150] shrink_inactive_list+0x831/0xd20 [ 1783.833921][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1783.843896][ T1150] ? isolate_lru_pages+0x1140/0x1140 [ 1783.849216][ T1150] ? mark_lock+0xbc/0x1710 [ 1783.853698][ T3873] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1783.863281][ T1150] ? list_lru_count_one+0x2f/0x350 [ 1783.868468][ T1150] ? find_held_lock+0x2d/0x110 [ 1783.873271][ T1150] ? __lock_acquire+0xc1e/0x56e0 [ 1783.878422][ T3873] 4812 total pagecache pages [ 1783.883035][ T3873] 0 pages in swap cache [ 1783.887375][ T1150] ? lruvec_lru_size+0x16d/0x210 [ 1783.892383][ T3873] Swap cache stats: add 0, delete 0, find 0/0 [ 1783.898921][ T1150] shrink_lruvec+0x58f/0x10f0 [ 1783.911765][ T1150] ? shrink_active_list+0x1350/0x1350 [ 1783.917426][ T3873] Free swap = 0kB [ 1783.921409][ T1150] ? lock_acquire+0x1f1/0xad0 [ 1783.926313][ T1150] ? mem_cgroup_iter+0x103/0x740 [ 1783.931409][ T1150] ? rcu_read_unlock+0x12/0x60 [ 1783.938129][ T3873] Total swap = 0kB [ 1783.942007][ T3873] 1965979 pages RAM [ 1783.946025][ T3873] 0 pages HighMem/MovableOnly [ 1783.950942][ T3873] 349901 pages reserved [ 1783.955193][ T1150] ? lock_downgrade+0x820/0x820 [ 1783.960170][ T1150] ? mem_cgroup_iter+0x34f/0x740 [ 1783.965331][ T3873] 0 pages cma reserved [ 1783.969480][ T3873] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=18941,uid=0 [ 1783.984301][ T1150] shrink_node+0x4b0/0x1b60 [ 1783.989011][ T1150] do_try_to_free_pages+0x38b/0x1340 [ 1783.994438][ T1150] ? shrink_node+0x1b60/0x1b60 [ 1783.999236][ T1150] ? sched_clock_cpu+0x18/0x1b0 [ 1784.004389][ T3873] Out of memory: Killed process 18941 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1784.081367][ T1150] ? lock_is_held_type+0xb0/0xe0 [ 1784.089822][ T1150] try_to_free_pages+0x29e/0x7f0 [ 1784.104208][ T1150] ? reclaim_pages+0xcd0/0xcd0 [ 1784.110303][ T1150] ? _raw_spin_unlock_irq+0x1f/0x80 [ 1784.122215][ T1150] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 1784.126561][ T7334] syz-executor.5 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 1784.137339][ T1150] __alloc_pages_slowpath.constprop.0+0x949/0x2780 [ 1784.151608][ T1150] ? warn_alloc+0x120/0x120 [ 1784.157319][ T7334] CPU: 1 PID: 7334 Comm: syz-executor.5 Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1784.167299][ T7334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1784.176531][ T1150] ? fs_reclaim_release+0x94/0xf0 [ 1784.177377][ T7334] Call Trace: [ 1784.182669][ T1150] ? lock_downgrade+0x820/0x820 [ 1784.186010][ T7334] dump_stack+0x18f/0x20d [ 1784.186028][ T7334] dump_header+0x106/0x60f [ 1784.186044][ T7334] oom_kill_process.cold+0x10/0x15 [ 1784.186061][ T7334] out_of_memory+0x326/0x1340 [ 1784.205932][ T1150] ? __zone_watermark_ok+0x3f0/0x3f0 [ 1784.209758][ T7334] ? oom_killer_disable+0x270/0x270 [ 1784.220656][ T7334] ? mutex_trylock+0x246/0x2c0 [ 1784.225774][ T7334] ? __alloc_pages_slowpath.constprop.0+0xc79/0x2780 [ 1784.227031][ T1150] ? lock_is_held_type+0xb0/0xe0 [ 1784.232499][ T7334] __alloc_pages_slowpath.constprop.0+0x2097/0x2780 [ 1784.244153][ T7334] ? warn_alloc+0x120/0x120 [ 1784.245905][ T1150] __alloc_pages_nodemask+0x5a3/0x700 [ 1784.248679][ T7334] ? fs_reclaim_release+0x94/0xf0 [ 1784.259479][ T7334] ? lock_is_held_type+0xb0/0xe0 [ 1784.264536][ T7334] ? find_get_entry+0x3b2/0x8a0 [ 1784.266265][ T1150] ? trace_hardirqs_on+0x5f/0x220 [ 1784.269532][ T7334] __alloc_pages_nodemask+0x5a3/0x700 [ 1784.280775][ T7334] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1784.283895][ T1150] ? __alloc_pages_slowpath.constprop.0+0x2780/0x2780 [ 1784.287558][ T7334] ? page_cache_readahead_unbounded+0x572/0x850 [ 1784.300710][ T7334] ? __lock_page_or_retry+0x650/0x650 [ 1784.306233][ T7334] alloc_pages_current+0x187/0x280 [ 1784.308871][ T1150] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1784.311368][ T7334] __page_cache_alloc+0x31e/0x450 [ 1784.321392][ T1150] alloc_pages_current+0x187/0x280 [ 1784.322549][ T7334] pagecache_get_page+0x2a6/0xf70 [ 1784.327795][ T1150] __vmalloc_area_node+0x3e3/0x7a0 [ 1784.332771][ T7334] ? __do_page_cache_readahead+0xc2/0xf0 [ 1784.338062][ T1150] ? __do_sys_init_module+0x12c/0x1f0 [ 1784.343739][ T7334] filemap_fault+0x1a94/0x2ab0 [ 1784.349357][ T1150] __vmalloc+0x114/0x1a0 [ 1784.354072][ T7334] ext4_filemap_fault+0x87/0xb6 [ 1784.354088][ T7334] __do_fault+0x10d/0x4d0 [ 1784.354105][ T7334] handle_mm_fault+0x37a3/0x43f0 [ 1784.358709][ T1150] __do_sys_init_module+0x12c/0x1f0 [ 1784.363796][ T7334] ? apply_to_existing_page_range+0x40/0x40 [ 1784.368167][ T1150] ? load_module+0x8b90/0x8b90 [ 1784.373064][ T7334] ? vmacache_update+0xce/0x140 [ 1784.378338][ T1150] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1784.384325][ T7334] do_user_addr_fault+0x5a2/0xd00 [ 1784.384346][ T7334] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1784.384367][ T7334] exc_page_fault+0xab/0x170 [ 1784.389236][ T1150] ? syscall_trace_enter+0x313/0x340 [ 1784.394146][ T7334] ? asm_exc_page_fault+0x8/0x30 [ 1784.394159][ T7334] asm_exc_page_fault+0x1e/0x30 [ 1784.394171][ T7334] RIP: 0033:0x45b030 [ 1784.394185][ T7334] Code: Bad RIP value. [ 1784.400055][ T1150] ? lock_is_held_type+0xb0/0xe0 [ 1784.405125][ T7334] RSP: 002b:00007ffc5c825c88 EFLAGS: 00010246 [ 1784.405137][ T7334] RAX: 0000000000000000 RBX: 000000000018f16a RCX: 000000000045b030 [ 1784.405144][ T7334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc5c825c90 [ 1784.405151][ T7334] RBP: 00000000000009e5 R08: 0000000000000001 R09: 0000000002034940 [ 1784.405157][ T7334] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 1784.405165][ T7334] R13: 00007ffc5c825ce0 R14: 000000000018f0bc R15: 00007ffc5c825cf0 [ 1784.530234][ T1150] ? do_fast_syscall_32+0x40/0x120 [ 1784.535658][ T1150] do_syscall_32_irqs_on+0x3f/0x60 [ 1784.540985][ T1150] do_fast_syscall_32+0x7f/0x120 [ 1784.555715][ T1150] entry_SYSENTER_compat_after_hwframe+0x4b/0x5a [ 1784.562675][ T1150] RIP: 0023:0x7ffea7971569 [ 1784.573910][ T1150] Code: Bad RIP value. [ 1784.578110][ T1150] RSP: 002b:00000000200003c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000080 [ 1784.586590][ T1150] RAX: ffffffffffffffda RBX: ffffffffffffff3a RCX: 00000000fffffffc [ 1784.590752][ T7334] Mem-Info: [ 1784.604482][ T1150] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 1784.613279][ T7334] active_anon:184198 inactive_anon:4132 isolated_anon:0 [ 1784.613279][ T7334] active_file:204 inactive_file:242 isolated_file:32 [ 1784.613279][ T7334] unevictable:0 dirty:421 writeback:0 [ 1784.613279][ T7334] slab_reclaimable:14577 slab_unreclaimable:95830 [ 1784.613279][ T7334] mapped:53381 shmem:4360 pagetables:8657 bounce:0 [ 1784.613279][ T7334] free:13762 free_pcp:112 free_cma:0 [ 1784.616983][ T1150] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1784.682670][ T7334] Node 0 active_anon:736636kB inactive_anon:16524kB active_file:912kB inactive_file:856kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213524kB dirty:1684kB writeback:0kB shmem:17436kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 593920kB writeback_tmp:0kB kernel_stack:17792kB all_unreclaimable? no [ 1784.693980][ T1150] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1784.719546][ T7334] Node 1 active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:64kB all_unreclaimable? yes [ 1784.740820][ T1150] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1784.755986][ T1150] [ 1784.755986][ T1150] Showing all locks held in the system: [ 1784.763254][ T7334] Node 0 DMA free:10148kB min:220kB low:272kB high:324kB reserved_highatomic:0KB active_anon:4100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1784.763751][ T1150] 2 locks held by systemd/1: [ 1784.835785][ T1150] #0: ffff88809902a2d0 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1784.845689][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1784.857006][ T1150] 1 lock held by khungtaskd/1150: [ 1784.862070][ T1150] #0: ffffffff89bc3040 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 1784.863540][ T7334] lowmem_reserve[]: 0 2515 2515 2515 2515 [ 1784.871991][ T1150] 2 locks held by kswapd0/1670: [ 1784.872030][ T1150] 2 locks held by systemd-journal/3873: [ 1784.872035][ T1150] #0: ffff88809902a2d0 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1784.872076][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1784.909050][ T7334] Node 0 DMA32 free:17820kB min:35916kB low:44892kB high:53868kB reserved_highatomic:0KB active_anon:732536kB inactive_anon:16524kB active_file:500kB inactive_file:876kB unevictable:0kB writepending:1684kB present:3129332kB managed:2578204kB mlocked:0kB pagetables:34540kB bounce:0kB free_pcp:468kB local_pcp:240kB free_cma:0kB [ 1784.909090][ T1150] 2 locks held by systemd-udevd/3879: [ 1784.909102][ T1150] #0: ffff88809902a2d0 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1784.991324][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.002559][ T1150] 2 locks held by systemd-timesyn/4427: [ 1785.008147][ T1150] #0: ffff88809902a2d0 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.018018][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.029209][ T1150] 2 locks held by cron/6495: [ 1785.032964][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1785.033903][ T1150] #0: ffff88809902a2d0 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.038563][ T7334] Node 0 Normal free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1785.048656][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.088969][ T1150] 2 locks held by in:imklog/6508: [ 1785.112574][ T1150] #0: ffff888099027250 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.128507][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.139759][ T1150] 2 locks held by agetty/6721: [ 1785.144576][ T1150] #0: ffff88809e19e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 [ 1785.154481][ T1150] #1: ffffc90000fc02e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x223/0x1a30 [ 1785.164737][ T1150] 2 locks held by agetty/6728: [ 1785.169500][ T1150] #0: ffff88809ce94098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 [ 1785.176154][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1785.179618][ T1150] #1: ffffc90000fd42e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x223/0x1a30 [ 1785.195800][ T1150] 2 locks held by sshd/6789: [ 1785.200335][ T7334] Node 1 Normal free:26988kB min:53972kB low:67464kB high:80956kB reserved_highatomic:0KB active_anon:156kB inactive_anon:4kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870200kB mlocked:0kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1785.200486][ T1150] #0: ffff88809902a2d0 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.271291][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.282542][ T1150] 2 locks held by syz-fuzzer/6796: [ 1785.288075][ T1150] #0: ffff8880899fa410 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.298010][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.310632][ T1150] 2 locks held by syz-fuzzer/6797: [ 1785.311284][ T7334] lowmem_reserve[]: 0 0 0 0 0 [ 1785.315801][ T1150] #0: ffff8880899fa410 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.315844][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.333390][ T7334] Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10148kB [ 1785.341480][ T1150] 2 locks held by syz-fuzzer/6811: [ 1785.365034][ T7334] Node 0 DMA32: 2348*4kB (ME) 671*8kB (ME) 121*16kB (ME) 16*32kB (M) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17656kB [ 1785.390422][ T7334] 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 [ 1785.394309][ T1150] #0: ffff8880899fa410 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.419801][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.431081][ T1150] 2 locks held by syz-executor.0/6814: [ 1785.432465][ T7334] Node 1 Normal: 15*4kB (UME) 18*8kB (UME) 8*16kB (ME) 9*32kB (ME) 6*64kB (UME) 5*128kB (ME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UM) 2*2048kB (UE) 4*4096kB (M) = 26988kB [ 1785.436588][ T1150] #0: ffff8880869af450 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.436625][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.474646][ T1150] 2 locks held by syz-executor.1/6968: [ 1785.480215][ T1150] #0: ffff8880869af450 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.490114][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.493757][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1785.501382][ T1150] 2 locks held by syz-executor.2/7000: [ 1785.519952][ T1150] #0: ffff8880869af450 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.546484][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.559047][ T1150] 2 locks held by syz-executor.3/7146: [ 1785.564642][ T1150] #0: ffff8880869af450 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.573036][ T7334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1785.574967][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.595485][ T1150] 2 locks held by syz-executor.4/7248: [ 1785.601037][ T1150] #0: ffff8880869af450 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.610926][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.618904][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1785.622146][ T1150] 5 locks held by syz-executor.5/7334: [ 1785.645348][ T1150] 1 lock held by syz-executor.4/18941: [ 1785.650297][ T7334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 1785.659042][ T1150] #0: ffff8880998d0640 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x584/0x11e0 [ 1785.667818][ T7334] 4812 total pagecache pages [ 1785.694596][ T1150] 5 locks held by kworker/1:2/24554: [ 1785.694784][ T7334] 0 pages in swap cache [ 1785.699909][ T1150] #0: ffff8880ae735e18 (&rq->lock){-.-.}-{2:2}, at: __schedule+0x230/0x1e80 [ 1785.713275][ T1150] #1: ffff8880ae720ec8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2fb/0x400 [ 1785.723327][ T7334] Swap cache stats: add 0, delete 0, find 0/0 [ 1785.730677][ T1150] #2: ffff8880a95444a0 (&vmpr->events_lock){+.+.}-{3:3}, at: vmpressure_work_fn+0x15f/0x3f0 [ 1785.732668][ T7334] Free swap = 0kB [ 1785.741156][ T1150] #3: ffffffff8cbbe518 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x12e/0x3e0 [ 1785.758521][ T1150] #4: ffffffff8cb85d28 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_check_no_obj_freed+0xc7/0x41c [ 1785.769249][ T1150] 1 lock held by syz-executor.1/27173: [ 1785.772668][ T7334] Total swap = 0kB [ 1785.774741][ T1150] #0: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.774795][ T1150] 2 locks held by syz-executor.3/27196: [ 1785.774800][ T1150] #0: ffff8880869af450 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.774827][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.781368][ T7334] 1965979 pages RAM [ 1785.789696][ T1150] 2 locks held by syz-executor.2/27197: [ 1785.840790][ T7334] 0 pages HighMem/MovableOnly [ 1785.852553][ T1150] #0: ffff8880869af450 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.853170][ T7334] 349901 pages reserved [ 1785.872016][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.890392][ T7334] 0 pages cma reserved [ 1785.894823][ T7334] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.4,pid=18891,uid=0 [ 1785.900852][ T1150] 2 locks held by syz-executor.0/27198: [ 1785.915528][ T1150] #0: ffff8880869af450 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.925454][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.936557][ T1150] 2 locks held by syz-executor.4/27201: [ 1785.942099][ T1150] #0: ffff8880869af450 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_filemap_fault+0x7f/0xb6 [ 1785.952397][ T1150] #1: ffffffff89c6fc20 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x1554/0x2780 [ 1785.973238][ T1150] [ 1785.978111][ T1150] ============================================= [ 1785.978111][ T1150] [ 1785.996110][ T1150] Kernel panic - not syncing: hung_task: blocked tasks [ 1786.002985][ T1150] CPU: 0 PID: 1150 Comm: khungtaskd Not tainted 5.8.0-rc3-next-20200703-syzkaller #0 [ 1786.003726][ T7334] Out of memory: Killed process 18891 (syz-executor.4) total-vm:74848kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB, UID:0 pgtables:132kB oom_score_adj:1000 [ 1786.012433][ T1150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1786.012439][ T1150] Call Trace: [ 1786.012466][ T1150] dump_stack+0x18f/0x20d [ 1786.012484][ T1150] panic+0x2e3/0x75c [ 1786.012498][ T1150] ? __warn_printk+0xf3/0xf3 [ 1786.012516][ T1150] ? watchdog.cold+0x22d/0x24b [ 1786.012526][ T1150] ? watchdog+0xc59/0xf30 [ 1786.012542][ T1150] watchdog.cold+0x23e/0x24b [ 1786.012556][ T1150] ? trace_sched_process_hang+0x2e0/0x2e0 [ 1786.012571][ T1150] kthread+0x3b5/0x4a0 [ 1786.012591][ T1150] ? __kthread_bind_mask+0xc0/0xc0 [ 1786.083502][ T1150] ? __kthread_bind_mask+0xc0/0xc0 [ 1786.088636][ T1150] ret_from_fork+0x1f/0x30 [ 1786.094415][ T1150] Kernel Offset: disabled [ 1786.098743][ T1150] Rebooting in 86400 seconds..