INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.15.215' (ECDSA) to the list of known hosts. 2019/08/06 02:47:24 parsed 1 programs 2019/08/06 02:47:28 executed programs: 0 [ 570.516632] audit: type=1400 audit(1565059648.256:5): avc: denied { sys_admin } for pid=2174 comm="syz-executor.5" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 570.563079] audit: type=1400 audit(1565059648.306:6): avc: denied { net_admin } for pid=2178 comm="syz-executor.2" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 571.000079] audit: type=1400 audit(1565059648.746:7): avc: denied { sys_chroot } for pid=2178 comm="syz-executor.2" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 571.001536] audit: type=1400 audit(1565059648.746:8): avc: denied { associate } for pid=2179 comm="syz-executor.3" name="syz3" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 572.787621] lowmemorykiller: Killing 'syz-executor.2' (2344) (tgid 2341), adj 1000, [ 572.787621] to free 852kB on behalf of 'syz-executor.0' (2332) because [ 572.787621] cache 54388kB is below limit 65536kB for oom_score_adj 12 [ 572.787621] Free memory is -13172kB above reserved [ 572.788597] lowmemorykiller: Killing 'syz-executor.2' (2344) (tgid 2341), adj 1000, [ 572.788597] to free 852kB on behalf of 'kswapd0' (33) because [ 572.788597] cache 53588kB is below limit 65536kB for oom_score_adj 12 [ 572.788597] Free memory is -12472kB above reserved [ 573.026682] oom_reaper: reaped process 2345 (syz-executor.1), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 573.068743] syz-executor.1: vmalloc: allocation failure, allocated 834465792 of 4278198272 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 573.092851] CPU: 1 PID: 2345 Comm: syz-executor.1 Not tainted 4.9.141+ #23 [ 573.099037] syz-executor.3: vmalloc: allocation failure, allocated 1474859008 of 4278198272 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 573.109011] syz-executor.0: vmalloc: allocation failure, allocated 1101844480 of 4278198272 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 573.118955] syz-executor.2: vmalloc: allocation failure, allocated 408440832 of 4278198272 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 573.145889] ffff8801a20bf900 ffffffff81b42e79 1ffff10034417f22 dffffc0000000000 [ 573.154043] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801a20bfa48 [ 573.162076] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 573.170115] Call Trace: [ 573.172704] [] dump_stack+0xc1/0x128 [ 573.178151] [] warn_alloc.cold.31+0x7f/0x9c [ 573.184114] [] ? zone_watermark_ok_safe+0x250/0x250 [ 573.190771] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 573.197361] [] ? retint_kernel+0x2d/0x2d [ 573.203077] [] __vmalloc_node_range+0x3f8/0x600 [ 573.209475] [] ? xt_alloc_table_info+0xc9/0x100 [ 573.215787] [] vmalloc+0x5b/0x70 [ 573.222443] [] ? xt_alloc_table_info+0xc9/0x100 [ 573.228749] [] xt_alloc_table_info+0xc9/0x100 [ 573.238547] [] compat_do_replace.isra.10+0x116/0x380 [ 573.245288] [] ? translate_compat_table+0x1870/0x1870 [ 573.252117] [] ? mutex_lock_nested+0x6b7/0x900 [ 573.258519] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 573.265368] [] ? __cap_capable+0x168/0x1c0 [ 573.274307] [] ? ns_capable_common+0x12a/0x150 [ 573.280530] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 573.287011] [] compat_nf_setsockopt+0x8b/0x130 [ 573.293233] [] ? compat_do_replace.isra.10+0x380/0x380 [ 573.300168] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 573.306649] [] compat_udpv6_setsockopt+0x4a/0x90 [ 573.313062] [] compat_sock_common_setsockopt+0xb4/0x150 [ 573.324751] [] ? udpv6_setsockopt+0x90/0x90 [ 573.330731] [] compat_SyS_setsockopt+0x169/0x550 [ 573.337212] [] ? sock_common_setsockopt+0xe0/0xe0 [ 573.343692] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 573.350262] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 573.357103] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 573.364107] [] ? do_fast_syscall_32+0xcf/0xa10 [ 573.370348] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 573.376922] [] do_fast_syscall_32+0x2f1/0xa10 [ 573.384709] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 573.391372] [] entry_SYSENTER_compat+0x90/0xa2 [ 573.397596] CPU: 0 PID: 2332 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 573.397875] oom_reaper: reaped process 2344 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 573.416126] ffff8801b7c47900 ffffffff81b42e79 1ffff10036f88f22 dffffc0000000000 [ 573.424143] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801b7c47a48 [ 573.432159] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 573.440286] Call Trace: [ 573.442859] [] dump_stack+0xc1/0x128 [ 573.448204] [] warn_alloc.cold.31+0x7f/0x9c [ 573.454156] [] ? zone_watermark_ok_safe+0x250/0x250 [ 573.460803] [] ? retint_kernel+0x2d/0x2d [ 573.466497] [] __vmalloc_node_range+0x3f8/0x600 [ 573.472797] [] ? xt_alloc_table_info+0xc9/0x100 [ 573.479094] [] vmalloc+0x5b/0x70 [ 573.484090] [] ? xt_alloc_table_info+0xc9/0x100 [ 573.490387] [] xt_alloc_table_info+0xc9/0x100 [ 573.496513] [] compat_do_replace.isra.10+0x116/0x380 [ 573.503296] [] ? translate_compat_table+0x1870/0x1870 [ 573.510114] [] ? mutex_lock_nested+0x6b7/0x900 [ 573.516585] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 573.523494] [] ? __cap_capable+0x168/0x1c0 [ 573.529359] [] ? ns_capable_common+0x12a/0x150 [ 573.535572] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 573.560913] [] compat_nf_setsockopt+0x8b/0x130 [ 573.567137] [] ? compat_do_replace.isra.10+0x380/0x380 [ 573.574044] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 573.580513] [] compat_udpv6_setsockopt+0x4a/0x90 [ 573.586898] [] compat_sock_common_setsockopt+0xb4/0x150 [ 573.593888] [] ? udpv6_setsockopt+0x90/0x90 [ 573.599839] [] compat_SyS_setsockopt+0x169/0x550 [ 573.606221] [] ? sock_common_setsockopt+0xe0/0xe0 [ 573.612780] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 573.628114] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 573.634933] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 573.641750] [] ? do_fast_syscall_32+0xcf/0xa10 [ 573.647969] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 573.654614] [] do_fast_syscall_32+0x2f1/0xa10 [ 573.662674] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 573.670994] [] entry_SYSENTER_compat+0x90/0xa2 [ 573.693879] oom_reaper: reaped process 2332 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 573.698919] CPU: 0 PID: 2344 Comm: syz-executor.2 Not tainted 4.9.141+ #23 [ 573.698935] ffff8801a1dff900 ffffffff81b42e79 1ffff100343bff22 dffffc0000000000 [ 573.698944] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801a1dffa48 [ 573.698953] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 573.698955] Call Trace: [ 573.698979] [] dump_stack+0xc1/0x128 [ 573.698990] [] warn_alloc.cold.31+0x7f/0x9c [ 573.699001] [] ? zone_watermark_ok_safe+0x250/0x250 [ 573.699010] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 573.699021] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 573.699029] [] ? retint_kernel+0x2d/0x2d [ 573.699037] [] __vmalloc_node_range+0x3f8/0x600 [ 573.699044] [] ? xt_alloc_table_info+0xc9/0x100 [ 573.699050] [] vmalloc+0x5b/0x70 [ 573.699057] [] ? xt_alloc_table_info+0xc9/0x100 [ 573.699063] [] xt_alloc_table_info+0xc9/0x100 [ 573.699072] [] compat_do_replace.isra.10+0x116/0x380 [ 573.699079] [] ? translate_compat_table+0x1870/0x1870 [ 573.699087] [] ? mutex_lock_nested+0x6b7/0x900 [ 573.699094] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 573.699103] [] ? __cap_capable+0x168/0x1c0 [ 573.699112] [] ? ns_capable_common+0x12a/0x150 [ 573.699120] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 573.699128] [] compat_nf_setsockopt+0x8b/0x130 [ 573.699135] [] ? compat_do_replace.isra.10+0x380/0x380 [ 573.699144] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 573.699150] [] compat_udpv6_setsockopt+0x4a/0x90 [ 573.699158] [] compat_sock_common_setsockopt+0xb4/0x150 [ 573.699164] [] ? udpv6_setsockopt+0x90/0x90 [ 573.699173] [] compat_SyS_setsockopt+0x169/0x550 [ 573.699179] [] ? sock_common_setsockopt+0xe0/0xe0 [ 573.699187] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 573.699195] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 573.699203] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 573.699209] [] ? do_fast_syscall_32+0xcf/0xa10 [ 573.699216] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 573.699222] [] do_fast_syscall_32+0x2f1/0xa10 [ 573.699230] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 573.699237] [] entry_SYSENTER_compat+0x90/0xa2 [ 573.699240] Mem-Info: [ 573.699256] active_anon:5793 inactive_anon:42 isolated_anon:0 [ 573.699256] active_file:6 inactive_file:40 isolated_file:0 [ 573.699256] unevictable:0 dirty:0 writeback:0 unstable:0 [ 573.699256] slab_reclaimable:4611 slab_unreclaimable:57533 [ 573.699256] mapped:19 shmem:48 pagetables:365 bounce:0 [ 573.699256] free:16 free_pcp:16 free_cma:0 [ 573.699269] Node 0 active_anon:23172kB inactive_anon:168kB active_file:24kB inactive_file:160kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:76kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 573.699285] DMA32 free:8kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 573.699309] Normal free:56kB min:5580kB low:9168kB high:12756kB active_anon:23172kB inactive_anon:168kB active_file:24kB inactive_file:160kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:230108kB kernel_stack:3904kB pagetables:1460kB bounce:0kB free_pcp:64kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 573.699343] DMA32: 2*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB Normal: 18*4kB (UM) 4*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 120kB 94 total pagecache pages [ 573.699376] 0 pages in swap cache [ 573.699379] Swap cache stats: add 0, delete 0, find 0/0 [ 573.699381] Free swap = 0kB [ 573.699383] Total swap = 0kB [ 573.699385] 1965979 pages RAM [ 573.699387] 0 pages HighMem/MovableOnly [ 573.699388] 313617 pages reserved [ 573.715941] Mem-Info: [ 573.715961] active_anon:5793 inactive_anon:42 isolated_anon:0 [ 573.715961] active_file:6 inactive_file:40 isolated_file:0 [ 573.715961] unevictable:0 dirty:0 writeback:0 unstable:0 [ 573.715961] slab_reclaimable:4611 slab_unreclaimable:57533 [ 573.715961] mapped:19 shmem:48 pagetables:365 bounce:0 [ 573.715961] free:16 free_pcp:0 free_cma:0 [ 573.715976] Node 0 active_anon:23172kB inactive_anon:168kB active_file:24kB inactive_file:160kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:76kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 573.715994] DMA32 free:8kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 573.716021] Normal free:56kB min:5580kB low:9168kB high:12756kB active_anon:23172kB inactive_anon:168kB active_file:24kB inactive_file:160kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:230108kB kernel_stack:3904kB pagetables:1460kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 573.716059] DMA32: 2*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB Normal: 34*4kB (UM) 5*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 192kB 94 total pagecache pages [ 573.716096] 0 pages in swap cache [ 573.716100] Swap cache stats: add 0, delete 0, find 0/0 [ 573.716102] Free swap = 0kB [ 573.716104] Total swap = 0kB [ 573.716106] 1965979 pages RAM [ 573.716108] 0 pages HighMem/MovableOnly [ 573.716110] 313617 pages reserved [ 573.718919] CPU: 0 PID: 2321 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 573.718935] ffff8801c81df900 ffffffff81b42e79 1ffff1003903bf22 dffffc0000000000 [ 573.718944] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801c81dfa48 [ 573.718953] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 573.718955] Call Trace: [ 573.718979] [] dump_stack+0xc1/0x128 [ 573.718990] [] warn_alloc.cold.31+0x7f/0x9c [ 573.719001] [] ? zone_watermark_ok_safe+0x250/0x250 [ 573.719011] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 573.719022] [] ? retint_kernel+0x2d/0x2d [ 573.719030] [] __vmalloc_node_range+0x3f8/0x600 [ 573.719039] [] ? xt_alloc_table_info+0xc9/0x100 [ 573.719045] [] vmalloc+0x5b/0x70 [ 573.719051] [] ? xt_alloc_table_info+0xc9/0x100 [ 573.719057] [] xt_alloc_table_info+0xc9/0x100 [ 573.719067] [] compat_do_replace.isra.10+0x116/0x380 [ 573.719074] [] ? translate_compat_table+0x1870/0x1870 [ 573.719084] [] ? mutex_lock_nested+0x6b7/0x900 [ 573.719093] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 573.719105] [] ? __cap_capable+0x168/0x1c0 [ 573.719115] [] ? ns_capable_common+0x12a/0x150 [ 573.719122] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 573.719132] [] compat_nf_setsockopt+0x8b/0x130 [ 573.719139] [] ? compat_do_replace.isra.10+0x380/0x380 [ 573.719151] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 573.719158] [] compat_udpv6_setsockopt+0x4a/0x90 [ 573.719167] [] compat_sock_common_setsockopt+0xb4/0x150 [ 573.719173] [] ? udpv6_setsockopt+0x90/0x90 [ 573.719183] [] compat_SyS_setsockopt+0x169/0x550 [ 573.719189] [] ? sock_common_setsockopt+0xe0/0xe0 [ 573.719196] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 573.719207] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 573.719214] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 573.719221] [] ? do_fast_syscall_32+0xcf/0xa10 [ 573.719228] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 573.719233] [] do_fast_syscall_32+0x2f1/0xa10 [ 573.719241] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 573.719249] [] entry_SYSENTER_compat+0x90/0xa2 [ 573.719252] Mem-Info: [ 573.719267] active_anon:5793 inactive_anon:42 isolated_anon:0 [ 573.719267] active_file:6 inactive_file:40 isolated_file:0 [ 573.719267] unevictable:0 dirty:0 writeback:0 unstable:0 [ 573.719267] slab_reclaimable:4611 slab_unreclaimable:57533 [ 573.719267] mapped:19 shmem:48 pagetables:365 bounce:0 [ 573.719267] free:16 free_pcp:0 free_cma:0 [ 573.719278] Node 0 active_anon:23172kB inactive_anon:168kB active_file:24kB inactive_file:160kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:76kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 573.719294] DMA32 free:8kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 573.719316] Normal free:56kB min:5580kB low:9168kB high:12756kB active_anon:23172kB inactive_anon:168kB active_file:24kB inactive_file:160kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:230108kB kernel_stack:3904kB pagetables:1460kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 573.719349] DMA32: 2*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB Normal: 34*4kB (UM) 5*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 192kB 94 total pagecache pages [ 573.719382] 0 pages in swap cache [ 573.719386] Swap cache stats: add 0, delete 0, find 0/0 [ 573.719388] Free swap = 0kB [ 573.719389] Total swap = 0kB [ 573.719392] 1965979 pages RAM [ 573.719393] 0 pages HighMem/MovableOnly [ 573.719395] 313617 pages reserved [ 573.999002] lowmemorykiller: Killing 'syz-executor.3' (2321) (tgid 2320), adj 1000, [ 573.999002] to free 108kB on behalf of 'syz-executor.4' (2337) because [ 573.999002] cache 184kB is below limit 6144kB for oom_score_adj 0 [ 573.999002] Free memory is -37440kB above reserved [ 574.548940] Mem-Info: [ 574.548960] active_anon:5793 inactive_anon:42 isolated_anon:0 [ 574.548960] active_file:22 inactive_file:22 isolated_file:0 [ 574.548960] unevictable:0 dirty:0 writeback:0 unstable:0 [ 574.548960] slab_reclaimable:4611 slab_unreclaimable:57533 [ 574.548960] mapped:17 shmem:48 pagetables:365 bounce:0 [ 574.548960] free:34 free_pcp:0 free_cma:0 [ 574.548973] Node 0 active_anon:23172kB inactive_anon:168kB active_file:88kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 574.548988] DMA32 free:8kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 2019/08/06 02:47:35 executed programs: 6 lowmem_reserve[]: 0 3505 3505 [ 574.549009] Normal free:128kB min:5580kB low:9168kB high:12756kB active_anon:23172kB inactive_anon:168kB active_file:88kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:230108kB kernel_stack:3904kB pagetables:1460kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 574.549039] DMA32: 2*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB Normal: 34*4kB (UM) 5*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 192kB 92 total pagecache pages [ 574.549069] 0 pages in swap cache [ 574.549073] Swap cache stats: add 0, delete 0, find 0/0 [ 574.549074] Free swap = 0kB [ 574.549076] Total swap = 0kB [ 574.549078] 1965979 pages RAM [ 574.549079] 0 pages HighMem/MovableOnly [ 574.549081] 313617 pages reserved [ 574.669109] syz-executor.1: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 574.669118] CPU: 1 PID: 2345 Comm: syz-executor.1 Not tainted 4.9.141+ #23 [ 574.669131] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb dffffc0000000000 2019/08/06 02:47:36 result: hanged=false err=executor 2: exit status 67 clone failed (errno 12) loop exited with status 67 clone failed (errno 12) loop exited with status 67 2019/08/06 02:47:36 result: hanged=false err=executor 1: exit status 67 clone failed (errno 12) loop exited with status 67 clone failed (errno 12) loop exited with status 67 [ 574.669139] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 574.669146] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 574.669148] Call Trace: [ 574.669167] [ 574.669167] [] dump_stack+0xc1/0x128 [ 574.669178] [] warn_alloc.cold.31+0x7f/0x9c [ 574.669187] [] ? zone_watermark_ok_safe+0x250/0x250 [ 574.669195] [] ? trace_hardirqs_on+0xd/0x10 [ 574.669201] [] ? get_page_from_freelist+0x23e/0x1d80 [ 574.669208] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 574.669212] [] ? mark_held_locks+0xc7/0x130 [ 574.669220] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 574.669225] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 574.669231] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 574.669241] [] ? ip6_forward_finish+0x4a0/0x4a0 [ 574.669246] [] ? trace_hardirqs_on+0x10/0x10 [ 574.669254] [] new_slab+0x367/0x3d0 [ 574.669261] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 574.669271] [] ? __alloc_skb+0xe6/0x5b0 [ 574.669276] [] ? trace_hardirqs_on+0x10/0x10 [ 574.669284] [] ? check_preemption_disabled+0x3b/0x200 [ 574.669291] [] ? __alloc_skb+0xe6/0x5b0 [ 574.669299] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 574.669306] [] ? __alloc_skb+0xe6/0x5b0 [ 574.669314] [] kmem_cache_alloc+0x212/0x2b0 [ 574.669320] [] ? mark_held_locks+0xc7/0x130 [ 574.669328] [] __alloc_skb+0xe6/0x5b0 [ 574.669336] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 574.669343] [] ? ipv6_get_ifaddr+0x300/0x510 [ 574.669350] [] ? trace_hardirqs_on+0xd/0x10 [ 574.669356] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 574.669367] [] ndisc_alloc_skb+0x144/0x330 [ 574.669375] [] ndisc_send_rs+0x2ff/0x670 [ 574.669381] [] ? __ipv6_get_lladdr+0x250/0x250 [ 574.669386] [] addrconf_rs_timer+0x27e/0x5a0 [ 574.669398] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.669405] [] call_timer_fn+0x163/0x6e0 [ 574.669410] [] ? call_timer_fn+0xda/0x6e0 [ 574.669416] [] ? debug_object_deactivate+0x214/0x340 [ 574.669421] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.669426] [] ? process_timeout+0x20/0x20 [ 574.669433] [] ? check_preemption_disabled+0x3b/0x200 [ 574.669442] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 574.669448] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.669455] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 574.669462] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.669468] [] expire_timers+0x234/0x580 [ 574.669475] [] ? collect_expired_timers+0x1d5/0x2b0 [ 574.669482] [] run_timer_softirq+0x208/0x5e0 [ 574.669489] [] ? expire_timers+0x580/0x580 [ 574.669498] [] ? tick_program_event+0x103/0x180 [ 574.669505] [] ? check_preemption_disabled+0x3b/0x200 [ 574.669516] [] __do_softirq+0x20e/0x964 [ 574.669523] [] ? check_preemption_disabled+0x3b/0x200 [ 574.669530] [] irq_exit+0x11c/0x150 [ 574.669538] [] smp_apic_timer_interrupt+0x81/0xb0 [ 574.669545] [] apic_timer_interrupt+0x9d/0xb0 [ 574.669554] [ 574.669555] [] ? _raw_spin_unlock_irqrestore+0x5f/0x70 [ 574.669563] [] debug_check_no_obj_freed+0x2ce/0x890 [ 574.669571] [] ? debug_object_activate+0x4e0/0x4e0 [ 574.669577] [] ? _raw_spin_unlock+0x2c/0x50 [ 574.669584] [] __vunmap+0x130/0x400 [ 574.669590] [] vfree+0x50/0x110 [ 574.669597] [] __vmalloc_node_range+0x423/0x600 [ 574.669605] [] ? xt_alloc_table_info+0xc9/0x100 [ 574.669612] [] vmalloc+0x5b/0x70 [ 574.669619] [] ? xt_alloc_table_info+0xc9/0x100 [ 574.669626] [] xt_alloc_table_info+0xc9/0x100 [ 574.669634] [] compat_do_replace.isra.10+0x116/0x380 [ 574.669642] [] ? translate_compat_table+0x1870/0x1870 [ 574.669651] [] ? mutex_lock_nested+0x6b7/0x900 [ 574.669658] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 574.669667] [] ? __cap_capable+0x168/0x1c0 [ 574.669676] [] ? ns_capable_common+0x12a/0x150 [ 574.669684] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 574.669693] [] compat_nf_setsockopt+0x8b/0x130 [ 574.669701] [] ? compat_do_replace.isra.10+0x380/0x380 [ 574.669708] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 574.669715] [] compat_udpv6_setsockopt+0x4a/0x90 [ 574.669723] [] compat_sock_common_setsockopt+0xb4/0x150 [ 574.669730] [] ? udpv6_setsockopt+0x90/0x90 [ 574.669738] [] compat_SyS_setsockopt+0x169/0x550 [ 574.669745] [] ? sock_common_setsockopt+0xe0/0xe0 [ 574.669753] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 574.669763] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 574.669771] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 574.669779] [] ? do_fast_syscall_32+0xcf/0xa10 [ 574.669786] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 574.669793] [] do_fast_syscall_32+0x2f1/0xa10 [ 574.669802] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 574.669809] [] entry_SYSENTER_compat+0x90/0xa2 [ 574.669812] Mem-Info: [ 574.669830] active_anon:5793 inactive_anon:42 isolated_anon:0 [ 574.669830] active_file:22 inactive_file:22 isolated_file:0 [ 574.669830] unevictable:0 dirty:0 writeback:0 unstable:0 [ 574.669830] slab_reclaimable:4611 slab_unreclaimable:57533 [ 574.669830] mapped:17 shmem:48 pagetables:365 bounce:0 [ 574.669830] free:34 free_pcp:0 free_cma:0 [ 574.669842] Node 0 active_anon:23172kB inactive_anon:168kB active_file:88kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 574.669860] DMA32 free:8kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 574.669884] Normal free:128kB min:5580kB low:9168kB high:12756kB active_anon:23172kB inactive_anon:168kB active_file:88kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:230108kB kernel_stack:3904kB pagetables:1460kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 574.669924] DMA32: 2*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB Normal: 34*4kB (UM) 5*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 192kB 92 total pagecache pages [ 574.669960] 0 pages in swap cache [ 574.669964] Swap cache stats: add 0, delete 0, find 0/0 [ 574.669966] Free swap = 0kB [ 574.669968] Total swap = 0kB [ 574.669970] 1965979 pages RAM [ 574.669972] 0 pages HighMem/MovableOnly [ 574.669974] 313617 pages reserved [ 574.670159] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 574.670164] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 574.670173] node 0: slabs: 593, objs: 7116, free: 0 [ 574.670196] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 574.751663] oom_reaper: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 574.751672] CPU: 1 PID: 25 Comm: oom_reaper Not tainted 4.9.141+ #23 [ 574.751688] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb ffff8801d9c217c0 [ 574.751698] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 574.751708] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 574.751710] Call Trace: [ 574.751731] [ 574.751731] [] dump_stack+0xc1/0x128 [ 574.751743] [] warn_alloc.cold.31+0x7f/0x9c [ 574.751753] [] ? zone_watermark_ok_safe+0x250/0x250 [ 574.751761] [] ? get_page_from_freelist+0x23e/0x1d80 [ 574.751770] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 574.751780] [] ? trace_hardirqs_on+0x10/0x10 [ 574.751787] [] ? __lock_acquire+0x654/0x4a10 [ 574.751795] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 574.751804] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 574.751815] [] ? check_preemption_disabled+0x3b/0x200 [ 574.751823] [] ? cpuacct_charge+0x1db/0x360 [ 574.751830] [] ? check_preemption_disabled+0x3b/0x200 [ 574.751839] [] new_slab+0x367/0x3d0 [ 574.751847] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 574.751856] [] ? __alloc_skb+0xe6/0x5b0 [ 574.751864] [] ? check_preemption_disabled+0x3b/0x200 [ 574.751872] [] ? check_preemption_disabled+0x3b/0x200 [ 574.751878] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 574.751885] [] ? __alloc_skb+0xe6/0x5b0 [ 574.751893] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 574.751900] [] ? __alloc_skb+0xe6/0x5b0 [ 574.751907] [] kmem_cache_alloc+0x212/0x2b0 [ 574.751915] [] __alloc_skb+0xe6/0x5b0 [ 574.751922] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 574.751931] [] ? ipv6_get_ifaddr+0x300/0x510 [ 574.751937] [] ? trace_hardirqs_on+0xd/0x10 [ 574.751947] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 574.751957] [] ndisc_alloc_skb+0x144/0x330 [ 574.751965] [] ndisc_send_rs+0x2ff/0x670 [ 574.751971] [] ? __ipv6_get_lladdr+0x250/0x250 [ 574.751978] [] addrconf_rs_timer+0x27e/0x5a0 [ 574.751985] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.751993] [] ? debug_object_deactivate+0x214/0x340 [ 574.752001] [] call_timer_fn+0x163/0x6e0 [ 574.752007] [] ? call_timer_fn+0xda/0x6e0 [ 574.752015] [] ? debug_object_deactivate+0x214/0x340 [ 574.752021] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.752028] [] ? process_timeout+0x20/0x20 [ 574.752034] [] ? expire_timers+0x226/0x580 [ 574.752041] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.752047] [] expire_timers+0x234/0x580 [ 574.752054] [] ? collect_expired_timers+0x1d5/0x2b0 [ 574.752061] [] run_timer_softirq+0x208/0x5e0 [ 574.752068] [] ? expire_timers+0x580/0x580 [ 574.752076] [] ? tick_program_event+0x103/0x180 [ 574.752083] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 574.752091] [] ? hrtimer_interrupt+0x1d7/0x430 [ 574.752099] [] ? check_preemption_disabled+0x3b/0x200 [ 574.752108] [] __do_softirq+0x20e/0x964 [ 574.752116] [] ? check_preemption_disabled+0x3b/0x200 [ 574.752122] [] irq_exit+0x11c/0x150 [ 574.752130] [] smp_apic_timer_interrupt+0x81/0xb0 [ 574.752137] [] apic_timer_interrupt+0x9d/0xb0 [ 574.752148] [ 574.752148] [] ? console_unlock+0x7a3/0xb50 [ 574.752156] [] ? console_unlock+0x7ae/0xb50 [ 574.752164] [] ? vprintk_emit+0x282/0x790 [ 574.752172] [] vprintk_emit+0x448/0x790 [ 574.752179] [] vprintk+0x28/0x30 [ 574.752187] [] vprintk_default+0x1d/0x30 [ 574.752195] [] printk+0xaf/0xd7 [ 574.752203] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 574.752211] [] __oom_reap_task_mm.cold.8+0x112/0x15e [ 574.752219] [] ? task_will_free_mem+0x620/0x620 [ 574.752227] [] oom_reaper+0x155/0x390 [ 574.752235] [] ? __oom_reap_task_mm+0x560/0x560 [ 574.752243] [] ? autoremove_wake_function.part.0+0x130/0x130 [ 574.752252] [] ? __kthread_parkme+0x175/0x240 [ 574.752259] [] kthread+0x26d/0x300 [ 574.752266] [] ? __oom_reap_task_mm+0x560/0x560 [ 574.752273] [] ? kthread_park+0xa0/0xa0 [ 574.752281] [] ? __switch_to_asm+0x34/0x70 [ 574.752288] [] ? kthread_park+0xa0/0xa0 [ 574.752295] [] ? kthread_park+0xa0/0xa0 [ 574.752302] [] ret_from_fork+0x5c/0x70 [ 574.752305] Mem-Info: [ 574.752322] active_anon:5793 inactive_anon:42 isolated_anon:0 [ 574.752322] active_file:22 inactive_file:22 isolated_file:0 [ 574.752322] unevictable:0 dirty:0 writeback:0 unstable:0 [ 574.752322] slab_reclaimable:4611 slab_unreclaimable:57533 [ 574.752322] mapped:17 shmem:48 pagetables:365 bounce:0 [ 574.752322] free:34 free_pcp:0 free_cma:0 [ 574.752334] Node 0 active_anon:23172kB inactive_anon:168kB active_file:88kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 574.752351] DMA32 free:8kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 574.752376] Normal free:128kB min:5580kB low:9168kB high:12756kB active_anon:23172kB inactive_anon:168kB active_file:88kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:230108kB kernel_stack:3904kB pagetables:1460kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 574.752417] DMA32: 2*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB Normal: 34*4kB (UM) 5*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 192kB 92 total pagecache pages [ 574.752452] 0 pages in swap cache [ 574.752456] Swap cache stats: add 0, delete 0, find 0/0 [ 574.752457] Free swap = 0kB [ 574.752459] Total swap = 0kB [ 574.752461] 1965979 pages RAM [ 574.752463] 0 pages HighMem/MovableOnly [ 574.752465] 313617 pages reserved [ 574.752472] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 574.752477] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 574.752482] node 0: slabs: 593, objs: 7116, free: 0 [ 574.752488] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 574.752508] oom_reaper: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 574.752514] CPU: 1 PID: 25 Comm: oom_reaper Not tainted 4.9.141+ #23 [ 574.752525] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb ffff8801d9c217c0 [ 574.752535] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 574.752544] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 574.752546] Call Trace: [ 574.752556] [ 574.752556] [] dump_stack+0xc1/0x128 [ 574.752563] [] warn_alloc.cold.31+0x7f/0x9c [ 574.752571] [] ? zone_watermark_ok_safe+0x250/0x250 [ 574.752579] [] ? get_page_from_freelist+0x23e/0x1d80 [ 574.752588] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 574.752599] [] ? kvm_sched_clock_read+0x9/0x20 [ 574.752608] [] ? sched_clock+0x9/0x10 [ 574.752615] [] ? down_trylock+0x50/0x70 [ 574.752623] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 574.752630] [] ? console_trylock+0x2b/0x150 [ 574.752638] [] ? vprintk_emit+0x272/0x790 [ 574.752647] [] ? format_decode+0x1b1/0x9e0 [ 574.752655] [] ? set_precision+0x170/0x170 [ 574.752663] [] ? vprintk_default+0x1d/0x30 [ 574.752670] [] new_slab+0x367/0x3d0 [ 574.752679] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 574.752686] [] ? __alloc_skb+0xe6/0x5b0 [ 574.752694] [] ? vprintk_emit+0x2b3/0x790 [ 574.752701] [] ? debug_object_activate+0x32d/0x4e0 [ 574.752708] [] ? console_trylock+0x2b/0x150 [ 574.752716] [] ? check_preemption_disabled+0x3b/0x200 [ 574.752722] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 574.752730] [] ? __alloc_skb+0xe6/0x5b0 [ 574.752738] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 574.752745] [] ? __alloc_skb+0xe6/0x5b0 [ 574.752753] [] kmem_cache_alloc+0x212/0x2b0 [ 574.752760] [] __alloc_skb+0xe6/0x5b0 [ 574.752768] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 574.752774] [] ? ipv6_get_ifaddr+0x300/0x510 [ 574.752781] [] ? trace_hardirqs_on+0xd/0x10 [ 574.752788] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 574.752796] [] ndisc_alloc_skb+0x144/0x330 [ 574.752803] [] ndisc_send_rs+0x2ff/0x670 [ 574.752809] [] ? __ipv6_get_lladdr+0x250/0x250 [ 574.752816] [] addrconf_rs_timer+0x27e/0x5a0 [ 574.752823] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.752830] [] ? debug_object_deactivate+0x214/0x340 [ 574.752836] [] ? call_timer_fn+0x18d/0x6e0 [ 574.752843] [] call_timer_fn+0x163/0x6e0 [ 574.752849] [] ? call_timer_fn+0xda/0x6e0 [ 574.752857] [] ? debug_object_deactivate+0x214/0x340 [ 574.752863] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.752869] [] ? process_timeout+0x20/0x20 [ 574.752876] [] ? expire_timers+0x226/0x580 [ 574.752883] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.752888] [] expire_timers+0x234/0x580 [ 574.752895] [] ? collect_expired_timers+0x1d5/0x2b0 [ 574.752902] [] run_timer_softirq+0x208/0x5e0 [ 574.752909] [] ? expire_timers+0x580/0x580 [ 574.752916] [] ? tick_program_event+0x103/0x180 [ 574.752924] [] ? tick_setup_hrtimer_broadcast+0x40/0x40 [ 574.752931] [] ? hrtimer_interrupt+0x1d7/0x430 [ 574.752938] [] ? check_preemption_disabled+0x3b/0x200 [ 574.752946] [] __do_softirq+0x20e/0x964 [ 574.752953] [] ? check_preemption_disabled+0x3b/0x200 [ 574.752960] [] irq_exit+0x11c/0x150 [ 574.752967] [] smp_apic_timer_interrupt+0x81/0xb0 [ 574.752974] [] apic_timer_interrupt+0x9d/0xb0 [ 574.752984] [ 574.752985] [] ? console_unlock+0x7a3/0xb50 [ 574.752992] [] ? console_unlock+0x7ae/0xb50 [ 574.753000] [] ? vprintk_emit+0x282/0x790 [ 574.753008] [] vprintk_emit+0x448/0x790 [ 574.753015] [] vprintk+0x28/0x30 [ 574.753023] [] vprintk_default+0x1d/0x30 [ 574.753030] [] printk+0xaf/0xd7 [ 574.753038] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 574.753046] [] __oom_reap_task_mm.cold.8+0x112/0x15e [ 574.753053] [] ? task_will_free_mem+0x620/0x620 [ 574.753061] [] oom_reaper+0x155/0x390 [ 574.753069] [] ? __oom_reap_task_mm+0x560/0x560 [ 574.753077] [] ? autoremove_wake_function.part.0+0x130/0x130 [ 574.753084] [] ? __kthread_parkme+0x175/0x240 [ 574.753091] [] kthread+0x26d/0x300 [ 574.753098] [] ? __oom_reap_task_mm+0x560/0x560 [ 574.753105] [] ? kthread_park+0xa0/0xa0 [ 574.753112] [] ? __switch_to_asm+0x34/0x70 [ 574.753119] [] ? kthread_park+0xa0/0xa0 [ 574.753126] [] ? kthread_park+0xa0/0xa0 [ 574.753132] [] ret_from_fork+0x5c/0x70 [ 574.753135] Mem-Info: [ 574.753150] active_anon:5793 inactive_anon:42 isolated_anon:0 [ 574.753150] active_file:22 inactive_file:22 isolated_file:0 [ 574.753150] unevictable:0 dirty:0 writeback:0 unstable:0 [ 574.753150] slab_reclaimable:4611 slab_unreclaimable:57533 [ 574.753150] mapped:17 shmem:48 pagetables:365 bounce:0 [ 574.753150] free:34 free_pcp:0 free_cma:0 [ 574.753162] Node 0 active_anon:23172kB inactive_anon:168kB active_file:88kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 574.753178] DMA32 free:8kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 574.753207] Normal free:128kB min:5580kB low:9168kB high:12756kB active_anon:23172kB inactive_anon:168kB active_file:88kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:230108kB kernel_stack:3904kB pagetables:1460kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 574.753245] DMA32: 2*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB Normal: 34*4kB (UM) 5*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 192kB 92 total pagecache pages [ 574.753283] 0 pages in swap cache [ 574.753287] Swap cache stats: add 0, delete 0, find 0/0 [ 574.753289] Free swap = 0kB [ 574.753290] Total swap = 0kB [ 574.753292] 1965979 pages RAM [ 574.753294] 0 pages HighMem/MovableOnly [ 574.753296] 313617 pages reserved [ 574.753301] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 574.753306] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 574.753310] node 0: slabs: 593, objs: 7116, free: 0 [ 574.753313] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 574.828936] syz-executor.1: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 574.828945] CPU: 1 PID: 2345 Comm: syz-executor.1 Not tainted 4.9.141+ #23 [ 574.828959] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb dffffc0000000000 [ 574.828966] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 574.828973] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 574.828974] Call Trace: [ 574.828994] [ 574.828994] [] dump_stack+0xc1/0x128 [ 574.829005] [] warn_alloc.cold.31+0x7f/0x9c [ 574.829014] [] ? zone_watermark_ok_safe+0x250/0x250 [ 574.829021] [] ? get_page_from_freelist+0x23e/0x1d80 [ 574.829028] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 574.829037] [] ? __lock_acquire+0x654/0x4a10 [ 574.829043] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 574.829049] [] ? __lock_acquire+0x654/0x4a10 [ 574.829058] [] ? console_trylock+0x2b/0x150 [ 574.829067] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 574.829074] [] ? trace_hardirqs_on+0x10/0x10 [ 574.829080] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 574.829089] [] ? _find_next_bit.part.0+0xe0/0x120 [ 574.829099] [] new_slab+0x367/0x3d0 [ 574.829107] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 574.829118] [] ? __alloc_skb+0xe6/0x5b0 [ 574.829123] [] ? trace_hardirqs_on+0x10/0x10 [ 574.829130] [] ? check_preemption_disabled+0x3b/0x200 [ 574.829138] [] ? __alloc_skb+0xe6/0x5b0 [ 574.829144] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 574.829150] [] ? __alloc_skb+0xe6/0x5b0 [ 574.829156] [] kmem_cache_alloc+0x212/0x2b0 [ 574.829161] [] ? mark_held_locks+0xc7/0x130 [ 574.829167] [] __alloc_skb+0xe6/0x5b0 [ 574.829174] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 574.829181] [] ? ipv6_get_ifaddr+0x300/0x510 [ 574.829186] [] ? trace_hardirqs_on+0xd/0x10 [ 574.829195] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 574.829205] [] ndisc_alloc_skb+0x144/0x330 [ 574.829211] [] ndisc_send_rs+0x2ff/0x670 [ 574.829216] [] ? __ipv6_get_lladdr+0x250/0x250 [ 574.829222] [] addrconf_rs_timer+0x27e/0x5a0 [ 574.829227] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.829235] [] call_timer_fn+0x163/0x6e0 [ 574.829240] [] ? call_timer_fn+0xda/0x6e0 [ 574.829246] [] ? debug_object_deactivate+0x214/0x340 [ 574.829251] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.829256] [] ? process_timeout+0x20/0x20 [ 574.829263] [] ? check_preemption_disabled+0x3b/0x200 [ 574.829272] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 574.829278] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.829285] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 574.829292] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.829298] [] expire_timers+0x234/0x580 [ 574.829305] [] ? collect_expired_timers+0x1d5/0x2b0 [ 574.829312] [] run_timer_softirq+0x208/0x5e0 [ 574.829319] [] ? expire_timers+0x580/0x580 [ 574.829326] [] ? check_preemption_disabled+0x3b/0x200 [ 574.829337] [] __do_softirq+0x20e/0x964 [ 574.829344] [] ? check_preemption_disabled+0x3b/0x200 [ 574.829350] [] irq_exit+0x11c/0x150 [ 574.829356] [] smp_apic_timer_interrupt+0x81/0xb0 [ 574.829363] [] apic_timer_interrupt+0x9d/0xb0 [ 574.829371] [ 574.829371] [] ? _raw_spin_unlock_irqrestore+0x5f/0x70 [ 574.829384] [] debug_check_no_obj_freed+0x2ce/0x890 [ 574.829392] [] ? debug_object_activate+0x4e0/0x4e0 [ 574.829398] [] ? _raw_spin_unlock+0x2c/0x50 [ 574.829405] [] __vunmap+0x130/0x400 [ 574.829411] [] vfree+0x50/0x110 [ 574.829418] [] __vmalloc_node_range+0x423/0x600 [ 574.829428] [] ? xt_alloc_table_info+0xc9/0x100 [ 574.829434] [] vmalloc+0x5b/0x70 [ 574.829441] [] ? xt_alloc_table_info+0xc9/0x100 [ 574.829448] [] xt_alloc_table_info+0xc9/0x100 [ 574.829458] [] compat_do_replace.isra.10+0x116/0x380 [ 574.829466] [] ? translate_compat_table+0x1870/0x1870 [ 574.829477] [] ? mutex_lock_nested+0x6b7/0x900 [ 574.829484] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 574.829495] [] ? __cap_capable+0x168/0x1c0 [ 574.829506] [] ? ns_capable_common+0x12a/0x150 [ 574.829513] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 574.829523] [] compat_nf_setsockopt+0x8b/0x130 [ 574.829530] [] ? compat_do_replace.isra.10+0x380/0x380 [ 574.829538] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 574.829545] [] compat_udpv6_setsockopt+0x4a/0x90 [ 574.829554] [] compat_sock_common_setsockopt+0xb4/0x150 [ 574.829560] [] ? udpv6_setsockopt+0x90/0x90 [ 574.829571] [] compat_SyS_setsockopt+0x169/0x550 [ 574.829578] [] ? sock_common_setsockopt+0xe0/0xe0 [ 574.829586] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 574.829597] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 574.829605] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 574.829613] [] ? do_fast_syscall_32+0xcf/0xa10 [ 574.829621] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 574.829628] [] do_fast_syscall_32+0x2f1/0xa10 [ 574.829637] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 574.829645] [] entry_SYSENTER_compat+0x90/0xa2 [ 574.829648] Mem-Info: [ 574.829665] active_anon:5793 inactive_anon:42 isolated_anon:0 [ 574.829665] active_file:22 inactive_file:22 isolated_file:0 [ 574.829665] unevictable:0 dirty:0 writeback:0 unstable:0 [ 574.829665] slab_reclaimable:4611 slab_unreclaimable:57533 [ 574.829665] mapped:17 shmem:48 pagetables:365 bounce:0 [ 574.829665] free:34 free_pcp:0 free_cma:0 [ 574.829678] Node 0 active_anon:23172kB inactive_anon:168kB active_file:88kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 574.829695] DMA32 free:8kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 574.829720] Normal free:128kB min:5580kB low:9168kB high:12756kB active_anon:23172kB inactive_anon:168kB active_file:88kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:230108kB kernel_stack:3904kB pagetables:1460kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 574.829756] DMA32: 2*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB Normal: 34*4kB (UM) 5*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 192kB 92 total pagecache pages [ 574.829792] 0 pages in swap cache [ 574.829796] Swap cache stats: add 0, delete 0, find 0/0 [ 574.829798] Free swap = 0kB [ 574.829800] Total swap = 0kB [ 574.829802] 1965979 pages RAM [ 574.829804] 0 pages HighMem/MovableOnly [ 574.829805] 313617 pages reserved [ 574.829813] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 574.829818] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 574.829823] node 0: slabs: 593, objs: 7116, free: 0 [ 574.829828] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 574.908927] syz-executor.0: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 574.908937] CPU: 1 PID: 2332 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 574.908948] ffff8801db7075c8 ffffffff81b42e79 [ 574.908949] syz-executor.3: [ 574.908952] 1ffff1003b6e0ebbpage allocation failure: order:0 dffffc0000000000, mode:0x2284020(GFP_ATOMIC|__GFP_COMP|__GFP_NOTRACK) ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 574.908974] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 574.908975] Call Trace: [ 574.908995] [ 574.908995] [] dump_stack+0xc1/0x128 [ 574.909004] [] warn_alloc.cold.31+0x7f/0x9c [ 574.909014] [] ? zone_watermark_ok_safe+0x250/0x250 [ 574.909020] [] ? get_page_from_freelist+0x23e/0x1d80 [ 574.909027] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 574.909035] [] ? __lock_acquire+0x654/0x4a10 [ 574.909042] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 574.909047] [] ? trace_hardirqs_on+0x10/0x10 [ 574.909053] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 574.909061] [] ? _find_next_bit.part.0+0xe0/0x120 [ 574.909068] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 574.909076] [] new_slab+0x367/0x3d0 [ 574.909082] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 574.909093] [] ? __alloc_skb+0xe6/0x5b0 [ 574.909098] [] ? trace_hardirqs_on+0x10/0x10 [ 574.909105] [] ? __enqueue_entity+0x138/0x230 [ 574.909113] [] ? check_preemption_disabled+0x3b/0x200 [ 574.909119] [] ? __alloc_skb+0xe6/0x5b0 [ 574.909126] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 574.909132] [] ? __alloc_skb+0xe6/0x5b0 [ 574.909138] [] kmem_cache_alloc+0x212/0x2b0 [ 574.909143] [] ? mark_held_locks+0xc7/0x130 [ 574.909148] [] __alloc_skb+0xe6/0x5b0 [ 574.909155] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 574.909162] [] ? ipv6_get_ifaddr+0x300/0x510 [ 574.909167] [] ? trace_hardirqs_on+0xd/0x10 [ 574.909175] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 574.909182] [] ndisc_alloc_skb+0x144/0x330 [ 574.909189] [] ndisc_send_rs+0x2ff/0x670 [ 574.909194] [] ? __ipv6_get_lladdr+0x250/0x250 [ 574.909199] [] addrconf_rs_timer+0x27e/0x5a0 [ 574.909204] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.909211] [] call_timer_fn+0x163/0x6e0 [ 574.909216] [] ? call_timer_fn+0xda/0x6e0 [ 574.909222] [] ? debug_object_deactivate+0x214/0x340 [ 574.909227] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.909232] [] ? process_timeout+0x20/0x20 [ 574.909237] [] ? check_preemption_disabled+0x3b/0x200 [ 574.909244] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 574.909249] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.909255] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 574.909260] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.909265] [] expire_timers+0x234/0x580 [ 574.909270] [] ? collect_expired_timers+0x1d5/0x2b0 [ 574.909276] [] run_timer_softirq+0x208/0x5e0 [ 574.909281] [] ? expire_timers+0x580/0x580 [ 574.909287] [] ? check_preemption_disabled+0x3b/0x200 [ 574.909294] [] __do_softirq+0x20e/0x964 [ 574.909299] [] ? check_preemption_disabled+0x3b/0x200 [ 574.909305] [] irq_exit+0x11c/0x150 [ 574.909311] [] smp_apic_timer_interrupt+0x81/0xb0 [ 574.909317] [] apic_timer_interrupt+0x9d/0xb0 [ 574.909324] [ 574.909324] [] ? _raw_spin_unlock_irqrestore+0x5f/0x70 [ 574.909331] [] debug_check_no_obj_freed+0x2ce/0x890 [ 574.909337] [] ? debug_object_activate+0x4e0/0x4e0 [ 574.909343] [] ? _raw_spin_unlock+0x2c/0x50 [ 574.909348] [] __vunmap+0x130/0x400 [ 574.909353] [] vfree+0x50/0x110 [ 574.909358] [] __vmalloc_node_range+0x423/0x600 [ 574.909365] [] ? xt_alloc_table_info+0xc9/0x100 [ 574.909370] [] vmalloc+0x5b/0x70 [ 574.909380] [] ? xt_alloc_table_info+0xc9/0x100 [ 574.909386] [] xt_alloc_table_info+0xc9/0x100 [ 574.909393] [] compat_do_replace.isra.10+0x116/0x380 [ 574.909399] [] ? translate_compat_table+0x1870/0x1870 [ 574.909407] [] ? mutex_lock_nested+0x6b7/0x900 [ 574.909412] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 574.909420] [] ? __cap_capable+0x168/0x1c0 [ 574.909428] [] ? ns_capable_common+0x12a/0x150 [ 574.909435] [] compat_do_ip6t_set_ctl+0x102/0x140 [ 574.909443] [] compat_nf_setsockopt+0x8b/0x130 [ 574.909449] [] ? compat_do_replace.isra.10+0x380/0x380 [ 574.909455] [] compat_ipv6_setsockopt+0x15d/0x1d0 [ 574.909461] [] compat_udpv6_setsockopt+0x4a/0x90 [ 574.909468] [] compat_sock_common_setsockopt+0xb4/0x150 [ 574.909472] [] ? udpv6_setsockopt+0x90/0x90 [ 574.909482] [] compat_SyS_setsockopt+0x169/0x550 [ 574.909488] [] ? sock_common_setsockopt+0xe0/0xe0 [ 574.909494] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 574.909504] [] ? compat_SyS_clock_gettime+0x131/0x1b0 [ 574.909510] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 574.909517] [] ? do_fast_syscall_32+0xcf/0xa10 [ 574.909523] [] ? scm_detach_fds_compat+0x3b0/0x3b0 [ 574.909528] [] do_fast_syscall_32+0x2f1/0xa10 [ 574.909536] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 574.909542] [] entry_SYSENTER_compat+0x90/0xa2 [ 574.909544] Mem-Info: [ 574.909549] CPU: 0 PID: 2179 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 574.909565] active_anon:5793 inactive_anon:42 isolated_anon:0 [ 574.909565] active_file:22 inactive_file:22 isolated_file:0 [ 574.909565] unevictable:0 dirty:0 writeback:0 unstable:0 [ 574.909565] slab_reclaimable:4611 slab_unreclaimable:57533 [ 574.909565] mapped:17 shmem:48 pagetables:365 bounce:0 [ 574.909565] free:34 free_pcp:0 free_cma:0 [ 574.909575] ffff8801db607418 [ 574.909575] Node 0 active_anon:23172kB inactive_anon:168kB active_file:88kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 574.909589] ffffffff81b42e79DMA32 free:8kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 1ffff1003b6c0e85lowmem_reserve[]: [ 574.909594] ffff8801caefc740 0 3505 ffffffff82a974e0 [ 574.909600] 3505 0000000000000000 0000000002284020Normal free:128kB min:5580kB low:9168kB high:12756kB active_anon:23172kB inactive_anon:168kB active_file:88kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:230108kB kernel_stack:3904kB pagetables:1460kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ffff8801db607560lowmem_reserve[]: [ 574.909620] 0 ffffffff814fc7c8 [ 574.909623] 0 0000000041b58ab3 0 ffffffff82e37a10 ffffffff81427db0DMA32: Call Trace: [ 574.909634] [ 574.909641] 2*4kB [] dump_stack+0xc1/0x128 [ 574.909647] (M) [] warn_alloc.cold.31+0x7f/0x9c [ 574.909654] 0*8kB [] ? zone_watermark_ok_safe+0x250/0x250 [ 574.909660] 0*16kB [] ? get_page_from_freelist+0x23e/0x1d80 [ 574.909668] 0*32kB [] __alloc_pages_nodemask+0x628/0x1bd0 [ 574.909673] 0*64kB [] ? mark_held_locks+0xc7/0x130 [ 574.909680] 0*128kB [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 574.909689] 0*256kB [] ? __dev_queue_xmit+0x1d4/0x1b90 [ 574.909695] 0*512kB [] ? netdev_pick_tx+0x300/0x300 [ 574.909701] 0*1024kB [] ? __lock_acquire+0x654/0x4a10 [ 574.909709] 0*2048kB [] ? update_stack_state.constprop.2+0x7c/0x170 [ 574.909715] 0*4096kB [] ? __unwind_start+0x14d/0x3b0 [ 574.909716] = 8kB [] ? unwind_next_frame+0x7d/0xd0 [ 574.909727] Normal: [] new_slab+0x367/0x3d0 [ 574.909734] 34*4kB [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 574.909740] (UM) [] ? dst_alloc+0xb5/0x1a0 [ 574.909746] 5*8kB [] ? kasan_kmalloc+0xaf/0xc0 [ 574.909751] (U) [] ? kasan_slab_alloc+0x12/0x20 [ 574.909758] 1*16kB [] ? __kmalloc_track_caller+0xf0/0x2d0 [ 574.909764] (U) [] ? __alloc_skb+0x11a/0x5b0 [ 574.909771] 0*32kB [] ? check_preemption_disabled+0x3b/0x200 [ 574.909777] 0*64kB [] ? dst_alloc+0xb5/0x1a0 [ 574.909785] 0*128kB [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 574.909791] 0*256kB [] ? dst_alloc+0xb5/0x1a0 [ 574.909797] 0*512kB [] kmem_cache_alloc+0x212/0x2b0 [ 574.909805] 0*1024kB [] ? __do_fault+0x223/0x500 [ 574.909811] 0*2048kB [] dst_alloc+0xb5/0x1a0 [ 574.909817] 0*4096kB [] __ip6_dst_alloc+0x31/0x130 [ 574.909819] = 192kB [] ip6_dst_alloc+0x2d/0x1e0 [ 574.909825] 92 total pagecache pages [ 574.909830] [] ? icmp6_dst_alloc+0xe5/0x610 [ 574.909831] 0 pages in swap cache [ 574.909835] [] icmp6_dst_alloc+0x150/0x610 [ 574.909838] Swap cache stats: add 0, delete 0, find 0/0 [ 574.909842] [] ? ip6_blackhole_route+0x5e0/0x5e0 [ 574.909844] Free swap = 0kB [ 574.909849] [] ndisc_send_skb+0xcec/0x12e0 [ 574.909850] Total swap = 0kB [ 574.909854] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 574.909856] 1965979 pages RAM [ 574.909860] [] ? ndisc_alloc_skb+0x330/0x330 [ 574.909862] 0 pages HighMem/MovableOnly [ 574.909866] [] ? memset+0x31/0x40 [ 574.909867] 313617 pages reserved [ 574.909876] [] ? __alloc_skb+0x3ae/0x5b0 [ 574.909880] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 574.909885] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 574.909889] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 574.909893] [] ? ipv6_get_ifaddr+0x300/0x510 [ 574.909896] node 0: slabs: 593, objs: 7116, free: 0 [ 574.909901] [] ? __ndisc_fill_addr_option+0xeb/0x110 [ 574.909903] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 574.909908] [] ndisc_send_rs+0x12a/0x670 [ 574.909914] [] addrconf_rs_timer+0x27e/0x5a0 [ 574.909920] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.909925] [] call_timer_fn+0x163/0x6e0 [ 574.909928] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 574.909932] [] ? call_timer_fn+0xda/0x6e0 [ 574.909936] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 574.909940] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.909942] node 0: slabs: 593, objs: 7116, free: 0 [ 574.909947] [] ? process_timeout+0x20/0x20 [ 574.909948] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 574.909954] [] ? mark_held_locks+0xc7/0x130 [ 574.909959] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 574.909965] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.909968] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 574.909972] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 574.909976] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 574.909980] [] ? ipv6_get_lladdr+0x440/0x440 [ 574.909982] node 0: slabs: 593, objs: 7116, free: 0 [ 574.909987] [] expire_timers+0x234/0x580 [ 574.909988] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 574.909994] [] ? collect_expired_timers+0x1d5/0x2b0 [ 574.910000] [] run_timer_softirq+0x208/0x5e0 [ 574.910005] [] ? expire_timers+0x580/0x580 [ 574.910011] [] ? check_preemption_disabled+0x3b/0x200 [ 574.910017] [] __do_softirq+0x20e/0x964 [ 574.910023] [] ? check_preemption_disabled+0x3b/0x200 [ 574.910029] [] irq_exit+0x11c/0x150 [ 574.910035] [] smp_apic_timer_interrupt+0x81/0xb0 [ 574.910042] [] apic_timer_interrupt+0x9d/0xb0 [ 574.910051] [ 574.910051] [] ? lock_acquire+0x173/0x3e0 [ 574.910058] [] ? find_lock_task_mm+0xf1/0x270 [ 574.910063] [] ? check_preemption_disabled+0x3b/0x200 [ 574.910070] [] ? wake_oom_reaper+0xf0/0xf0 [ 574.910078] [] _raw_spin_lock+0x36/0x50 [ 574.910085] [] ? find_lock_task_mm+0xf1/0x270 [ 574.910092] [] find_lock_task_mm+0xf1/0x270 [ 574.910098] [] ? wake_oom_reaper+0xf0/0xf0 [ 574.910106] [] lowmem_scan+0x34f/0xaf0 [ 574.910112] [] ? lowmem_scan+0x24e/0xaf0 [ 574.910120] [] ? check_preemption_disabled+0x3b/0x200 [ 574.910129] [] shrink_slab.part.8+0x3c6/0xa00 [ 574.910137] [] ? unregister_shrinker+0x230/0x230 [ 574.910144] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 574.910152] [] shrink_node+0x1ed/0x740 [ 574.910160] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 574.910169] [] ? __delayacct_freepages_start+0x41/0x80 [ 574.910177] [] try_to_free_pages+0x377/0xb80 [ 574.910184] [] ? shrink_node+0x740/0x740 [ 574.910193] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 574.910199] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 574.910207] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 574.910214] [] ? check_preemption_disabled+0x3b/0x200 [ 574.910221] [] ? find_get_entry+0x11a/0x570 [ 574.910228] [] ? find_get_entry+0x141/0x570 [ 574.910235] [] ? page_cache_prev_hole+0x80/0x80 [ 574.910242] [] ? pagecache_get_page+0x131/0x710 [ 574.910249] [] filemap_fault+0xaf1/0x1110 [ 574.910259] [] ext4_filemap_fault+0x71/0xa0 [ 574.910265] [] __do_fault+0x223/0x500 [ 574.910272] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 574.910279] [] ? handle_mm_fault+0x1d4f/0x2350 [ 574.910286] [] handle_mm_fault+0x1326/0x2350 [ 574.910294] [] ? hrtimer_nanosleep+0x38c/0x550 [ 574.910301] [] ? vm_insert_page+0x6f0/0x6f0 [ 574.910307] [] ? enqueue_hrtimer+0x3a0/0x3a0 [ 574.910316] [] __do_page_fault+0x403/0xa60 [ 574.910323] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 574.910331] [] ? bad_area_access_error+0x3a0/0x3a0 [ 574.910339] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 574.910346] [] do_page_fault+0x27/0x30 [ 574.910352] [] page_fault+0x25/0x30 [ 574.910355] Mem-Info: [ 574.910369] active_anon:5793 inactive_anon:42 isolated_anon:0 [ 574.910369] active_file:22 inactive_file:22 isolated_file:0 [ 574.910369] unevictable:0 dirty:0 writeback:0 unstable:0 [ 574.910369] slab_reclaimable:4611 slab_unreclaimable:57533 [ 574.910369] mapped:17 shmem:48 pagetables:365 bounce:0 [ 574.910369] free:34 free_pcp:0 free_cma:0 [ 574.910381] Node 0 active_anon:23172kB inactive_anon:168kB active_file:88kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 574.910396] DMA32 free:8kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:24kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 574.910421] Normal free:128kB min:5580kB low:9168kB high:12756kB active_anon:23172kB inactive_anon:168kB active_file:88kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18444kB slab_unreclaimable:230108kB kernel_stack:3904kB pagetables:1460kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 574.910455] DMA32: 2*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB Normal: 34*4kB (UM) 5*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 192kB 92 total pagecache pages [ 574.910490] 0 pages in swap cache [ 574.910494] Swap cache stats: add 0, delete 0, find 0/0 [ 574.910495] Free swap = 0kB [ 574.910497] Total swap = 0kB [ 574.910499] 1965979 pages RAM [ 574.910501] 0 pages HighMem/MovableOnly [ 574.910503] 313617 pages reserved [ 574.910508] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 574.910514] cache: ip6_dst_cache, object size: 384, buffer size: 448, default order: 1, min order: 0 [ 574.910522] node 0: slabs: 20, objs: 360, free: 0 [ 574.910573] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 574.910578] cache: ip6_dst_cache, object size: 384, buffer size: 448, default order: 1, min order: 0 [ 574.910583] node 0: slabs: 20, objs: 360, free: 0 [ 574.910623] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 574.910628] cache: ip6_dst_cache, object size: 384, buffer size: 448, default order: 1, min order: 0 [ 574.910632] node 0: slabs: 20, objs: 360, free: 0 [ 574.990769] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 574.990786] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 575.009039] lowmemorykiller: Killing 'syz-executor.3' (2321) (tgid 2320), adj 1000, [ 575.009039] to free 108kB on behalf of 'syz-executor.5' (2328) because [ 575.009039] cache 176kB is below limit 6144kB for oom_score_adj 0 [ 575.009039] Free memory is -37368kB above reserved [ 575.161282] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 576.019157] lowmemorykiller: Killing 'syz-executor.3' (2321) (tgid 2320), adj 1000, [ 576.019157] to free 108kB on behalf of 'syz-executor.1' (2181) because [ 576.019157] cache 176kB is below limit 6144kB for oom_score_adj 0 [ 576.019157] Free memory is -37304kB above reserved [ 577.029420] lowmemorykiller: Killing 'syz-executor.3' (2321) (tgid 2320), adj 1000, [ 577.029420] to free 108kB on behalf of 'kswapd0' (33) because [ 577.029420] cache 1740kB is below limit 6144kB for oom_score_adj 0 [ 577.029420] Free memory is -25104kB above reserved [ 578.096953] lowmemorykiller: Killing 'syz-executor.3' (2321) (tgid 2320), adj 1000, [ 578.096953] to free 108kB on behalf of 'syz-executor.4' (2337) because [ 578.096953] cache 6808kB is below limit 8192kB for oom_score_adj 1 [ 578.096953] Free memory is -13288kB above reserved [ 579.187843] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 579.187843] to free 108kB on behalf of 'kswapd0' (33) because [ 579.187843] cache 8556kB is below limit 16384kB for oom_score_adj 6 [ 579.187843] Free memory is -7024kB above reserved [ 580.195399] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 580.195399] to free 108kB on behalf of 'blkid' (2360) because [ 580.195399] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 580.195399] Free memory is -13468kB above reserved [ 580.195410] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 580.195410] to free 108kB on behalf of 'syz-executor.3' (2359) because [ 580.195410] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 580.195410] Free memory is -13468kB above reserved [ 581.202275] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 581.202275] to free 108kB on behalf of 'syz-executor.3' (2358) because [ 581.202275] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 581.202275] Free memory is -13468kB above reserved [ 581.202286] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 581.202286] to free 108kB on behalf of 'syz-executor.0' (2182) because [ 581.202286] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 581.202286] Free memory is -13468kB above reserved [ 582.213111] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 582.213111] to free 108kB on behalf of 'syz-executor.3' (2179) because [ 582.213111] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 582.213111] Free memory is -13468kB above reserved [ 583.218988] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 583.218988] to free 108kB on behalf of 'syz-execprog' (2156) because [ 583.218988] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 583.218988] Free memory is -13716kB above reserved [ 584.228928] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 584.228928] to free 108kB on behalf of 'init' (1) because [ 584.228928] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 584.228928] Free memory is -13716kB above reserved [ 585.238948] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 585.238948] to free 108kB on behalf of 'init' (1) because [ 585.238948] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 585.238948] Free memory is -13716kB above reserved [ 585.238959] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 585.238959] to free 108kB on behalf of 'syz-executor.5' (2328) because [ 585.238959] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 585.238959] Free memory is -13716kB above reserved [ 586.248973] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 586.248973] to free 108kB on behalf of 'syz-execprog' (2156) because [ 586.248973] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 586.248973] Free memory is -13716kB above reserved [ 587.258943] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 587.258943] to free 108kB on behalf of 'syz-executor.0' (2363) because [ 587.258943] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 587.258943] Free memory is -13716kB above reserved [ 587.258964] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 587.258964] to free 108kB on behalf of 'syz-executor.0' (2182) because [ 587.258964] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 587.258964] Free memory is -13716kB above reserved [ 588.268971] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 588.268971] to free 108kB on behalf of 'syz-executor.3' (2359) because [ 588.268971] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 588.268971] Free memory is -13716kB above reserved [ 588.268989] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 588.268989] to free 108kB on behalf of 'syz-executor.3' (2179) because [ 588.268989] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 588.268989] Free memory is -13716kB above reserved [ 589.279192] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 589.279192] to free 108kB on behalf of 'kworker/1:2' (2183) because [ 589.279192] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 589.279192] Free memory is -13716kB above reserved [ 589.279202] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 589.279202] to free 108kB on behalf of 'syz-executor.5' (2328) because [ 589.279202] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 589.279202] Free memory is -13716kB above reserved [ 589.338196] warn_alloc: 13 callbacks suppressed [ 589.338214] syz-executor.0: page allocation stalls for 10010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 589.338223] CPU: 1 PID: 2182 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 589.338240] ffff8801c9e677c0 ffffffff81b42e79 1ffff100393ccefa ffff8801c9c8af80 [ 589.338250] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9e67908 [ 589.338260] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 589.338261] Call Trace: [ 589.338282] [] dump_stack+0xc1/0x128 [ 589.338294] [] warn_alloc.cold.31+0x7f/0x9c [ 589.338304] [] ? zone_watermark_ok_safe+0x250/0x250 [ 589.338314] [] ? shrink_node+0x740/0x740 [ 589.338323] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 589.338332] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 589.338341] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 589.338351] [] ? check_preemption_disabled+0x3b/0x200 [ 589.338359] [] ? find_get_entry+0x11a/0x570 [ 589.338371] [] ? find_get_entry+0x141/0x570 [ 589.338378] [] ? page_cache_prev_hole+0x80/0x80 [ 589.338386] [] ? pagecache_get_page+0x131/0x710 [ 589.338394] [] filemap_fault+0xaf1/0x1110 [ 589.338404] [] ext4_filemap_fault+0x71/0xa0 [ 589.338412] [] __do_fault+0x223/0x500 [ 589.338418] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 589.338426] [] ? generic_file_readonly_mmap+0x190/0x190 [ 589.338434] [] handle_mm_fault+0x1326/0x2350 [ 589.338441] [] ? vm_insert_page+0x6f0/0x6f0 [ 589.338448] [] ? __might_fault+0x92/0x1d0 [ 589.338459] [] __do_page_fault+0x403/0xa60 [ 589.338472] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 589.338479] [] ? bad_area_access_error+0x3a0/0x3a0 [ 589.338489] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 589.338496] [] do_page_fault+0x27/0x30 [ 589.338505] [] page_fault+0x25/0x30 [ 589.338508] Mem-Info: [ 589.338525] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 589.338525] active_file:29 inactive_file:42 isolated_file:0 [ 589.338525] unevictable:0 dirty:0 writeback:0 unstable:0 [ 589.338525] slab_reclaimable:4571 slab_unreclaimable:56993 [ 589.338525] mapped:30 shmem:48 pagetables:365 bounce:0 [ 589.338525] free:5947 free_pcp:119 free_cma:0 [ 589.338538] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 589.338557] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 589.338583] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:356kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 589.338640] DMA32: 7*4kB (ME) 33*8kB (UME) 26*16kB (UME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18532kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 589.338684] 0 pages in swap cache [ 589.338688] Swap cache stats: add 0, delete 0, find 0/0 [ 589.338690] Free swap = 0kB [ 589.338692] Total swap = 0kB [ 589.338694] 1965979 pages RAM [ 589.338696] 0 pages HighMem/MovableOnly [ 589.338698] 313617 pages reserved [ 589.358272] blkid: page allocation stalls for 10020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 589.358280] CPU: 0 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 589.358296] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 589.358305] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 589.358313] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 589.358315] Call Trace: [ 589.358329] [] dump_stack+0xc1/0x128 [ 589.358338] [] warn_alloc.cold.31+0x7f/0x9c [ 589.358347] [] ? zone_watermark_ok_safe+0x250/0x250 [ 589.358355] [] ? shrink_node+0x740/0x740 [ 589.358363] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 589.358372] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 589.358379] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 589.358387] [] ? check_preemption_disabled+0x3b/0x200 [ 589.358394] [] ? find_get_entry+0x11a/0x570 [ 589.358401] [] ? find_get_entry+0x141/0x570 [ 589.358407] [] ? page_cache_prev_hole+0x80/0x80 [ 589.358415] [] ? autoremove_wake_function+0x40/0x40 [ 589.358422] [] ? pagecache_get_page+0x131/0x710 [ 589.358429] [] filemap_fault+0xaf1/0x1110 [ 589.358436] [] ext4_filemap_fault+0x71/0xa0 [ 589.358442] [] __do_fault+0x223/0x500 [ 589.358449] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 589.358455] [] ? handle_mm_fault+0x1d4f/0x2350 [ 589.358462] [] handle_mm_fault+0x1326/0x2350 [ 589.358468] [] ? vm_insert_page+0x6f0/0x6f0 [ 589.358475] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 589.358482] [] ? kmem_cache_free+0x28f/0x310 [ 589.358488] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 589.358497] [] __do_page_fault+0x403/0xa60 [ 589.358504] [] ? bad_area_access_error+0x3a0/0x3a0 [ 589.358513] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 589.358519] [] do_page_fault+0x27/0x30 [ 589.358527] [] page_fault+0x25/0x30 [ 589.358530] Mem-Info: [ 589.358546] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 589.358546] active_file:29 inactive_file:42 isolated_file:0 [ 589.358546] unevictable:0 dirty:0 writeback:0 unstable:0 [ 589.358546] slab_reclaimable:4571 slab_unreclaimable:56993 [ 589.358546] mapped:30 shmem:48 pagetables:365 bounce:0 [ 589.358546] free:5947 free_pcp:119 free_cma:0 [ 589.358558] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 589.358576] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 589.358599] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:356kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 589.358649] DMA32: 7*4kB (ME) 33*8kB (UME) 26*16kB (UME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18532kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 589.358688] 0 pages in swap cache [ 589.358692] Swap cache stats: add 0, delete 0, find 0/0 [ 589.358694] Free swap = 0kB [ 589.358696] Total swap = 0kB [ 589.358698] 1965979 pages RAM [ 589.358700] 0 pages HighMem/MovableOnly [ 589.358701] 313617 pages reserved [ 589.364536] blkid: page allocation stalls for 10010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 589.364543] CPU: 0 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 589.364555] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 589.364566] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 589.364576] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 589.364577] Call Trace: [ 589.364589] [] dump_stack+0xc1/0x128 [ 589.364597] [] warn_alloc.cold.31+0x7f/0x9c [ 589.364606] [] ? zone_watermark_ok_safe+0x250/0x250 [ 589.364614] [] ? shrink_node+0x740/0x740 [ 589.364623] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 589.364631] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 589.364640] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 589.364649] [] ? check_preemption_disabled+0x3b/0x200 [ 589.364656] [] ? find_get_entry+0x11a/0x570 [ 589.364663] [] ? find_get_entry+0x141/0x570 [ 589.364670] [] ? page_cache_prev_hole+0x80/0x80 [ 589.364678] [] ? autoremove_wake_function+0x40/0x40 [ 589.364685] [] ? pagecache_get_page+0x131/0x710 [ 589.364693] [] filemap_fault+0xaf1/0x1110 [ 589.364701] [] ext4_filemap_fault+0x71/0xa0 [ 589.364707] [] __do_fault+0x223/0x500 [ 589.364714] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 589.364721] [] ? handle_mm_fault+0x1d4f/0x2350 [ 589.364728] [] handle_mm_fault+0x1326/0x2350 [ 589.364736] [] ? vm_insert_page+0x6f0/0x6f0 [ 589.364743] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 589.364751] [] __do_page_fault+0x403/0xa60 [ 589.364759] [] ? bad_area_access_error+0x3a0/0x3a0 [ 589.364767] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 589.364774] [] do_page_fault+0x27/0x30 [ 589.364782] [] page_fault+0x25/0x30 [ 589.364785] Mem-Info: [ 589.364801] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 589.364801] active_file:29 inactive_file:42 isolated_file:0 [ 589.364801] unevictable:0 dirty:0 writeback:0 unstable:0 [ 589.364801] slab_reclaimable:4571 slab_unreclaimable:56993 [ 589.364801] mapped:30 shmem:48 pagetables:365 bounce:0 [ 589.364801] free:5947 free_pcp:119 free_cma:0 [ 589.364814] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 589.364832] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 589.364857] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:356kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 589.364918] DMA32: 7*4kB (ME) 33*8kB (UME) 26*16kB (UME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18532kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 589.364961] 0 pages in swap cache [ 589.364965] Swap cache stats: add 0, delete 0, find 0/0 [ 589.364967] Free swap = 0kB [ 589.364969] Total swap = 0kB [ 589.364971] 1965979 pages RAM [ 589.364973] 0 pages HighMem/MovableOnly [ 589.364975] 313617 pages reserved [ 589.937906] syz-executor.3: page allocation stalls for 10030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 589.937916] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 589.937932] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 589.937942] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 589.937953] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 589.937954] Call Trace: [ 589.937973] [] dump_stack+0xc1/0x128 [ 589.937985] [] warn_alloc.cold.31+0x7f/0x9c [ 589.937995] [] ? zone_watermark_ok_safe+0x250/0x250 [ 589.938005] [] ? shrink_node+0x740/0x740 [ 589.938013] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 589.938023] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 589.938031] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 589.938040] [] ? check_preemption_disabled+0x3b/0x200 [ 589.938048] [] ? find_get_entry+0x11a/0x570 [ 589.938055] [] ? find_get_entry+0x141/0x570 [ 589.938062] [] ? page_cache_prev_hole+0x80/0x80 [ 589.938069] [] ? pagecache_get_page+0x131/0x710 [ 589.938077] [] filemap_fault+0xaf1/0x1110 [ 589.938086] [] ext4_filemap_fault+0x71/0xa0 [ 589.938093] [] __do_fault+0x223/0x500 [ 589.938100] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 589.938108] [] ? handle_mm_fault+0x1d4f/0x2350 [ 589.938115] [] handle_mm_fault+0x1326/0x2350 [ 589.938122] [] ? vm_insert_page+0x6f0/0x6f0 [ 589.938129] [] ? __might_fault+0x92/0x1d0 [ 589.938138] [] __do_page_fault+0x403/0xa60 [ 589.938148] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 589.938155] [] ? bad_area_access_error+0x3a0/0x3a0 [ 589.938165] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 589.938172] [] do_page_fault+0x27/0x30 [ 589.938180] [] page_fault+0x25/0x30 [ 589.938184] Mem-Info: [ 589.938201] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 589.938201] active_file:29 inactive_file:42 isolated_file:0 [ 589.938201] unevictable:0 dirty:0 writeback:0 unstable:0 [ 589.938201] slab_reclaimable:4571 slab_unreclaimable:56993 [ 589.938201] mapped:30 shmem:48 pagetables:365 bounce:0 [ 589.938201] free:5947 free_pcp:119 free_cma:0 [ 589.938215] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 589.938233] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 589.938260] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:356kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 589.938317] DMA32: 7*4kB (ME) 33*8kB (UME) 26*16kB (UME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18532kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 589.938359] 0 pages in swap cache [ 589.938363] Swap cache stats: add 0, delete 0, find 0/0 [ 589.938365] Free swap = 0kB [ 589.938367] Total swap = 0kB [ 589.938370] 1965979 pages RAM [ 589.938372] 0 pages HighMem/MovableOnly [ 589.938374] 313617 pages reserved [ 589.954314] syz-executor.0: page allocation stalls for 10010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 589.954322] CPU: 0 PID: 2362 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 589.954336] ffff88000cbd77c0 ffffffff81b42e79 1ffff1000197aefa ffff8801c75c4740 [ 589.954345] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000cbd7908 [ 589.954354] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 589.954356] Call Trace: [ 589.954369] [] dump_stack+0xc1/0x128 [ 589.954377] [] warn_alloc.cold.31+0x7f/0x9c [ 589.954386] [] ? zone_watermark_ok_safe+0x250/0x250 [ 589.954394] [] ? shrink_node+0x740/0x740 [ 589.954402] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 589.954410] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 589.954418] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 589.954427] [] ? check_preemption_disabled+0x3b/0x200 [ 589.954434] [] ? find_get_entry+0x11a/0x570 [ 589.954440] [] ? find_get_entry+0x141/0x570 [ 589.954446] [] ? page_cache_prev_hole+0x80/0x80 [ 589.954453] [] ? pagecache_get_page+0x131/0x710 [ 589.954460] [] filemap_fault+0xaf1/0x1110 [ 589.954468] [] ext4_filemap_fault+0x71/0xa0 [ 589.954474] [] __do_fault+0x223/0x500 [ 589.954480] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 589.954487] [] ? handle_mm_fault+0x1d4f/0x2350 [ 589.954493] [] handle_mm_fault+0x1326/0x2350 [ 589.954500] [] ? vm_insert_page+0x6f0/0x6f0 [ 589.954506] [] ? __might_fault+0x92/0x1d0 [ 589.954515] [] __do_page_fault+0x403/0xa60 [ 589.954523] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 589.954530] [] ? bad_area_access_error+0x3a0/0x3a0 [ 589.954539] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 589.954545] [] do_page_fault+0x27/0x30 [ 589.954552] [] page_fault+0x25/0x30 [ 589.954555] Mem-Info: [ 589.954571] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 589.954571] active_file:29 inactive_file:42 isolated_file:0 [ 589.954571] unevictable:0 dirty:0 writeback:0 unstable:0 [ 589.954571] slab_reclaimable:4571 slab_unreclaimable:56993 [ 589.954571] mapped:30 shmem:48 pagetables:365 bounce:0 [ 589.954571] free:5947 free_pcp:119 free_cma:0 [ 589.954583] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 589.954599] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 589.954622] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:356kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 589.954672] DMA32: 7*4kB (ME) 33*8kB (UME) 26*16kB (UME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18532kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 589.954712] 0 pages in swap cache [ 589.954715] Swap cache stats: add 0, delete 0, find 0/0 [ 589.954717] Free swap = 0kB [ 589.954719] Total swap = 0kB [ 589.954721] 1965979 pages RAM [ 589.954723] 0 pages HighMem/MovableOnly [ 589.954724] 313617 pages reserved [ 589.966544] syz-execprog: page allocation stalls for 10030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 589.966551] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 589.966564] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 589.966573] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 589.966582] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 589.966583] Call Trace: [ 589.966594] [] dump_stack+0xc1/0x128 [ 589.966602] [] warn_alloc.cold.31+0x7f/0x9c [ 589.966609] [] ? zone_watermark_ok_safe+0x250/0x250 [ 589.966617] [] ? shrink_node+0x740/0x740 [ 589.966625] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 589.966632] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 589.966640] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 589.966647] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 589.966653] [] ? find_get_entry+0x11a/0x570 [ 589.966660] [] ? find_get_entry+0x141/0x570 [ 589.966666] [] ? page_cache_prev_hole+0x80/0x80 [ 589.966676] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 589.966682] [] ? pagecache_get_page+0x131/0x710 [ 589.966689] [] filemap_fault+0xaf1/0x1110 [ 589.966697] [] ext4_filemap_fault+0x71/0xa0 [ 589.966704] [] __do_fault+0x223/0x500 [ 589.966710] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 589.966717] [] ? generic_file_readonly_mmap+0x190/0x190 [ 589.966723] [] handle_mm_fault+0x1326/0x2350 [ 589.966730] [] ? vm_insert_page+0x6f0/0x6f0 [ 589.966740] [] ? kvm_clock_read+0x23/0x40 [ 589.966747] [] ? kvm_clock_get_cycles+0x9/0x10 [ 589.966755] [] __do_page_fault+0x403/0xa60 [ 589.966762] [] ? bad_area_access_error+0x3a0/0x3a0 [ 589.966771] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 589.966777] [] do_page_fault+0x27/0x30 [ 589.966784] [] page_fault+0x25/0x30 [ 589.966787] Mem-Info: [ 589.966802] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 589.966802] active_file:29 inactive_file:42 isolated_file:0 [ 589.966802] unevictable:0 dirty:0 writeback:0 unstable:0 [ 589.966802] slab_reclaimable:4571 slab_unreclaimable:56993 [ 589.966802] mapped:30 shmem:48 pagetables:365 bounce:0 [ 589.966802] free:5947 free_pcp:119 free_cma:0 [ 589.966813] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 589.966834] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 589.966858] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:356kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 589.966908] DMA32: 7*4kB (ME) 33*8kB (UME) 26*16kB (UME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18532kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 589.966946] 0 pages in swap cache [ 589.966950] Swap cache stats: add 0, delete 0, find 0/0 [ 589.966952] Free swap = 0kB [ 589.966953] Total swap = 0kB [ 589.966955] 1965979 pages RAM [ 589.966957] 0 pages HighMem/MovableOnly [ 589.966959] 313617 pages reserved [ 590.289007] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 590.289007] to free 108kB on behalf of 'init' (1) because [ 590.289007] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 590.289007] Free memory is -13716kB above reserved [ 591.298964] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 591.298964] to free 108kB on behalf of 'syz-executor.3' (2358) because [ 591.298964] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 591.298964] Free memory is -13716kB above reserved [ 591.775691] kworker/1:2: page allocation stalls for 10010ms, order:0, mode:0x26040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK) [ 591.775701] CPU: 1 PID: 2183 Comm: kworker/1:2 Not tainted 4.9.141+ #23 [ 591.775721] Workqueue: events rht_deferred_worker [ 591.775734] ffff8801c998f5d8 ffffffff81b42e79 1ffff10039331ebd ffff8801caefdf00 [ 591.775744] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c998f720 [ 591.775754] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 591.775756] Call Trace: [ 591.775773] [] dump_stack+0xc1/0x128 [ 591.775785] [] warn_alloc.cold.31+0x7f/0x9c [ 591.775797] [] ? zone_watermark_ok_safe+0x250/0x250 [ 591.775806] [] ? shrink_node+0x740/0x740 [ 591.775815] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 591.775824] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 591.775833] [] ? depot_save_stack+0x11c/0x470 [ 591.775842] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 591.775853] [] ? save_stack_trace+0x16/0x20 [ 591.775862] [] ? process_one_work+0x831/0x15f0 [ 591.775868] [] ? worker_thread+0xd6/0x1140 [ 591.775877] [] ? kthread+0x26d/0x300 [ 591.775886] [] ? new_slab+0x303/0x3d0 [ 591.775893] [] new_slab+0x367/0x3d0 [ 591.775902] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 591.775909] [] ? bucket_table_alloc+0x134/0x400 [ 591.775918] [] ? check_preemption_disabled+0x3b/0x200 [ 591.775925] [] ? bucket_table_alloc+0x134/0x400 [ 591.775933] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 591.775941] [] __kmalloc+0x26e/0x310 [ 591.775948] [] ? bucket_table_alloc+0x134/0x400 [ 591.775954] [] bucket_table_alloc+0x134/0x400 [ 591.775962] [] rht_deferred_worker+0x14ae/0x1a50 [ 591.775969] [] ? debug_object_deactivate+0x214/0x340 [ 591.775977] [] ? check_preemption_disabled+0x3b/0x200 [ 591.775984] [] process_one_work+0x831/0x15f0 [ 591.775991] [] ? process_one_work+0x774/0x15f0 [ 591.775999] [] ? cancel_delayed_work_sync+0x20/0x20 [ 591.776006] [] worker_thread+0xd6/0x1140 [ 591.776015] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 591.776023] [] kthread+0x26d/0x300 [ 591.776030] [] ? process_one_work+0x15f0/0x15f0 [ 591.776037] [] ? kthread_park+0xa0/0xa0 [ 591.776045] [] ? __switch_to_asm+0x34/0x70 [ 591.776052] [] ? kthread_park+0xa0/0xa0 [ 591.776059] [] ? kthread_park+0xa0/0xa0 [ 591.776066] [] ret_from_fork+0x5c/0x70 [ 591.776069] Mem-Info: [ 591.776087] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 591.776087] active_file:29 inactive_file:42 isolated_file:0 [ 591.776087] unevictable:0 dirty:0 writeback:0 unstable:0 [ 591.776087] slab_reclaimable:4571 slab_unreclaimable:56993 [ 591.776087] mapped:30 shmem:48 pagetables:365 bounce:0 [ 591.776087] free:5947 free_pcp:119 free_cma:0 [ 591.776101] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 591.776120] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 591.776147] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:356kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 591.776221] DMA32: 7*4kB (ME) 33*8kB (UME) 26*16kB (UME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18532kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 591.776267] 0 pages in swap cache [ 591.776271] Swap cache stats: add 0, delete 0, find 0/0 [ 591.776273] Free swap = 0kB [ 591.776275] Total swap = 0kB [ 591.776277] 1965979 pages RAM [ 591.776279] 0 pages HighMem/MovableOnly [ 591.776282] 313617 pages reserved [ 591.781867] kworker/1:1: page allocation stalls for 10010ms, order:0, mode:0x26040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK) [ 591.781875] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 4.9.141+ #23 [ 591.781886] Workqueue: events rht_deferred_worker [ 591.781897] ffff8801d9c2f5d8 ffffffff81b42e79 1ffff1003b385ebd ffff8801d9c20000 [ 591.781907] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d9c2f720 [ 591.781918] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 591.781919] Call Trace: [ 591.781929] [] dump_stack+0xc1/0x128 [ 591.781936] [] warn_alloc.cold.31+0x7f/0x9c [ 591.781945] [] ? zone_watermark_ok_safe+0x250/0x250 [ 591.781953] [] ? shrink_node+0x740/0x740 [ 591.781962] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 591.781970] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 591.781979] [] ? depot_save_stack+0x11c/0x470 [ 591.781986] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 591.781995] [] ? save_stack_trace+0x16/0x20 [ 591.782003] [] ? process_one_work+0x831/0x15f0 [ 591.782009] [] ? worker_thread+0xd6/0x1140 [ 591.782016] [] ? kthread+0x26d/0x300 [ 591.782024] [] ? new_slab+0x303/0x3d0 [ 591.782031] [] new_slab+0x367/0x3d0 [ 591.782040] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 591.782047] [] ? bucket_table_alloc+0x134/0x400 [ 591.782056] [] ? check_preemption_disabled+0x3b/0x200 [ 591.782063] [] ? bucket_table_alloc+0x134/0x400 [ 591.782071] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 591.782079] [] __kmalloc+0x26e/0x310 [ 591.782085] [] ? bucket_table_alloc+0x134/0x400 [ 591.782092] [] bucket_table_alloc+0x134/0x400 [ 591.782099] [] rht_deferred_worker+0x14ae/0x1a50 [ 591.782107] [] ? debug_object_deactivate+0x214/0x340 [ 591.782115] [] ? check_preemption_disabled+0x3b/0x200 [ 591.782122] [] process_one_work+0x831/0x15f0 [ 591.782129] [] ? process_one_work+0x774/0x15f0 [ 591.782136] [] ? cancel_delayed_work_sync+0x20/0x20 [ 591.782143] [] worker_thread+0xd6/0x1140 [ 591.782151] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 591.782158] [] kthread+0x26d/0x300 [ 591.782165] [] ? process_one_work+0x15f0/0x15f0 [ 591.782172] [] ? kthread_park+0xa0/0xa0 [ 591.782180] [] ? __switch_to_asm+0x34/0x70 [ 591.782187] [] ? kthread_park+0xa0/0xa0 [ 591.782194] [] ? kthread_park+0xa0/0xa0 [ 591.782205] [] ret_from_fork+0x5c/0x70 [ 591.782208] Mem-Info: [ 591.782224] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 591.782224] active_file:29 inactive_file:42 isolated_file:0 [ 591.782224] unevictable:0 dirty:0 writeback:0 unstable:0 [ 591.782224] slab_reclaimable:4571 slab_unreclaimable:56993 [ 591.782224] mapped:30 shmem:48 pagetables:365 bounce:0 [ 591.782224] free:5947 free_pcp:119 free_cma:0 [ 591.782238] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 591.782256] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 591.782282] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:356kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 591.782339] DMA32: 7*4kB (ME) 33*8kB (UME) 26*16kB (UME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18532kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 591.782383] 0 pages in swap cache [ 591.782387] Swap cache stats: add 0, delete 0, find 0/0 [ 591.782389] Free swap = 0kB [ 591.782391] Total swap = 0kB [ 591.782393] 1965979 pages RAM [ 591.782396] 0 pages HighMem/MovableOnly [ 591.782398] 313617 pages reserved [ 591.847896] kthreadd: page allocation stalls for 10020ms, order:3, mode:0x27080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK) [ 591.847905] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.9.141+ #23 [ 591.847922] ffff8801da62f848 ffffffff81b42e79 1ffff1003b4c5f0b ffff8801da5f97c0 [ 591.847932] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da62f990 [ 591.847942] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 591.847944] Call Trace: [ 591.847962] [] dump_stack+0xc1/0x128 [ 591.847973] [] warn_alloc.cold.31+0x7f/0x9c [ 591.847983] [] ? zone_watermark_ok_safe+0x250/0x250 [ 591.847995] [] ? try_to_compact_pages+0x41/0x710 [ 591.848004] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 591.848013] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 591.848024] [] ? avc_has_perm_noaudit+0x2f0/0x2f0 [ 591.848035] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 591.848044] [] ? kmem_cache_alloc+0x246/0x2b0 [ 591.848054] [] copy_process.part.8+0x280/0x6a10 [ 591.848063] [] ? kthread_park+0xa0/0xa0 [ 591.848071] [] ? __cleanup_sighand+0x40/0x40 [ 591.848078] [] ? trace_hardirqs_on+0x10/0x10 [ 591.848086] [] _do_fork+0x1b2/0xd30 [ 591.848094] [] ? kthread_park+0xa0/0xa0 [ 591.848101] [] ? fork_idle+0x270/0x270 [ 591.848108] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 591.848115] [] ? kthreadd+0x1cc/0x420 [ 591.848122] [] ? kthreadd+0x293/0x420 [ 591.848129] [] ? kthread_park+0xa0/0xa0 [ 591.848137] [] kernel_thread+0x34/0x40 [ 591.848144] [] kthreadd+0x2a7/0x420 [ 591.848152] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 591.848161] [] ? finish_task_switch+0x1e9/0x640 [ 591.848170] [] ? __switch_to_asm+0x34/0x70 [ 591.848177] [] ? __switch_to_asm+0x40/0x70 [ 591.848183] [] ? __switch_to_asm+0x34/0x70 [ 591.848196] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 591.848204] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 591.848211] [] ret_from_fork+0x5c/0x70 [ 591.848214] Mem-Info: [ 591.848232] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 591.848232] active_file:29 inactive_file:42 isolated_file:0 [ 591.848232] unevictable:0 dirty:0 writeback:0 unstable:0 [ 591.848232] slab_reclaimable:4571 slab_unreclaimable:56993 [ 591.848232] mapped:30 shmem:48 pagetables:365 bounce:0 [ 591.848232] free:5947 free_pcp:119 free_cma:0 [ 591.848245] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 591.848264] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 591.848290] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:356kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 591.848344] DMA32: 7*4kB (ME) 33*8kB (UME) 26*16kB (UME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18532kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 591.848386] 0 pages in swap cache [ 591.848390] Swap cache stats: add 0, delete 0, find 0/0 [ 591.848392] Free swap = 0kB [ 591.848394] Total swap = 0kB [ 591.848396] 1965979 pages RAM [ 591.848398] 0 pages HighMem/MovableOnly [ 591.848400] 313617 pages reserved [ 592.124130] syz-executor.3: page allocation stalls for 10030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 592.124140] CPU: 0 PID: 2179 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 592.124156] ffff8801c9c5f7c0 ffffffff81b42e79 1ffff1003938befa ffff8801caefc740 [ 592.124166] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9c5f908 [ 592.124176] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 592.124178] Call Trace: [ 592.124198] [] dump_stack+0xc1/0x128 [ 592.124210] [] warn_alloc.cold.31+0x7f/0x9c [ 592.124222] [] ? zone_watermark_ok_safe+0x250/0x250 [ 592.124232] [] ? shrink_node+0x740/0x740 [ 592.124241] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 592.124250] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 592.124259] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 592.124269] [] ? check_preemption_disabled+0x3b/0x200 [ 592.124277] [] ? find_get_entry+0x11a/0x570 [ 592.124284] [] ? find_get_entry+0x141/0x570 [ 592.124291] [] ? page_cache_prev_hole+0x80/0x80 [ 592.124299] [] ? pagecache_get_page+0x131/0x710 [ 592.124306] [] filemap_fault+0xaf1/0x1110 [ 592.124316] [] ext4_filemap_fault+0x71/0xa0 [ 592.124323] [] __do_fault+0x223/0x500 [ 592.124330] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 592.124337] [] ? handle_mm_fault+0x1d4f/0x2350 [ 592.124345] [] handle_mm_fault+0x1326/0x2350 [ 592.124352] [] ? vm_insert_page+0x6f0/0x6f0 [ 592.124359] [] ? __might_fault+0x92/0x1d0 [ 592.124368] [] __do_page_fault+0x403/0xa60 [ 592.124380] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 592.124387] [] ? bad_area_access_error+0x3a0/0x3a0 [ 592.124398] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 592.124405] [] do_page_fault+0x27/0x30 [ 592.124414] [] page_fault+0x25/0x30 [ 592.124417] Mem-Info: [ 592.124435] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 592.124435] active_file:29 inactive_file:42 isolated_file:0 [ 592.124435] unevictable:0 dirty:0 writeback:0 unstable:0 [ 592.124435] slab_reclaimable:4571 slab_unreclaimable:56993 [ 592.124435] mapped:30 shmem:48 pagetables:365 bounce:0 [ 592.124435] free:5947 free_pcp:119 free_cma:0 [ 592.124449] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 592.124467] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 592.124494] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:356kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 592.124551] DMA32: 7*4kB (ME) 33*8kB (UME) 26*16kB (UME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18532kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 592.124594] 0 pages in swap cache [ 592.124598] Swap cache stats: add 0, delete 0, find 0/0 [ 592.124600] Free swap = 0kB [ 592.124602] Total swap = 0kB [ 592.124605] 1965979 pages RAM [ 592.124607] 0 pages HighMem/MovableOnly [ 592.124609] 313617 pages reserved [ 592.308953] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 592.308953] to free 108kB on behalf of 'kthreadd' (2) because [ 592.308953] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 592.308953] Free memory is -13716kB above reserved [ 592.308964] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 592.308964] to free 108kB on behalf of 'blkid' (2360) because [ 592.308964] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 592.308964] Free memory is -13716kB above reserved [ 593.319024] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 593.319024] to free 108kB on behalf of 'blkid' (2361) because [ 593.319024] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 593.319024] Free memory is -13716kB above reserved [ 594.328964] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 594.328964] to free 108kB on behalf of 'syz-executor.0' (2363) because [ 594.328964] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 594.328964] Free memory is -13716kB above reserved [ 595.338964] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 595.338964] to free 108kB on behalf of 'syz-executor.0' (2182) because [ 595.338964] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 595.338964] Free memory is -13716kB above reserved [ 596.349049] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 596.349049] to free 108kB on behalf of 'blkid' (2360) because [ 596.349049] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 596.349049] Free memory is -13716kB above reserved [ 597.358986] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 597.358986] to free 108kB on behalf of 'syz-execprog' (2156) because [ 597.358986] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 597.358986] Free memory is -13716kB above reserved [ 598.368946] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 598.368946] to free 108kB on behalf of 'kthreadd' (2) because [ 598.368946] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 598.368946] Free memory is -13716kB above reserved [ 598.368957] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 598.368957] to free 108kB on behalf of 'syz-executor.4' (2337) because [ 598.368957] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 598.368957] Free memory is -13716kB above reserved [ 599.355768] warn_alloc: 1 callbacks suppressed [ 599.355786] syz-executor.0: page allocation stalls for 20030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 599.355796] CPU: 1 PID: 2182 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 599.355814] ffff8801c9e677c0 ffffffff81b42e79 1ffff100393ccefa ffff8801c9c8af80 [ 599.355824] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9e67908 [ 599.355834] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 599.355836] Call Trace: [ 599.355856] [] dump_stack+0xc1/0x128 [ 599.355867] [] warn_alloc.cold.31+0x7f/0x9c [ 599.355878] [] ? zone_watermark_ok_safe+0x250/0x250 [ 599.355888] [] ? shrink_node+0x740/0x740 [ 599.355896] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 599.355905] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 599.355914] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 599.355925] [] ? check_preemption_disabled+0x3b/0x200 [ 599.355933] [] ? find_get_entry+0x11a/0x570 [ 599.355940] [] ? find_get_entry+0x141/0x570 [ 599.355947] [] ? page_cache_prev_hole+0x80/0x80 [ 599.355954] [] ? pagecache_get_page+0x131/0x710 [ 599.355962] [] filemap_fault+0xaf1/0x1110 [ 599.355971] [] ext4_filemap_fault+0x71/0xa0 [ 599.355978] [] __do_fault+0x223/0x500 [ 599.355986] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 599.355994] [] ? generic_file_readonly_mmap+0x190/0x190 [ 599.356001] [] handle_mm_fault+0x1326/0x2350 [ 599.356008] [] ? vm_insert_page+0x6f0/0x6f0 [ 599.356015] [] ? __might_fault+0x92/0x1d0 [ 599.356026] [] __do_page_fault+0x403/0xa60 [ 599.356037] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 599.356044] [] ? bad_area_access_error+0x3a0/0x3a0 [ 599.356056] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 599.356063] [] do_page_fault+0x27/0x30 [ 599.356072] [] page_fault+0x25/0x30 [ 599.356076] Mem-Info: [ 599.356094] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 599.356094] active_file:29 inactive_file:42 isolated_file:0 [ 599.356094] unevictable:0 dirty:0 writeback:0 unstable:0 [ 599.356094] slab_reclaimable:4571 slab_unreclaimable:56993 [ 599.356094] mapped:30 shmem:48 pagetables:365 bounce:0 [ 599.356094] free:5947 free_pcp:117 free_cma:0 [ 599.356107] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 599.356127] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 599.356153] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:348kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 599.356210] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18516kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 599.356254] 0 pages in swap cache [ 599.356259] Swap cache stats: add 0, delete 0, find 0/0 [ 599.356261] Free swap = 0kB [ 599.356263] Total swap = 0kB [ 599.356265] 1965979 pages RAM [ 599.356268] 0 pages HighMem/MovableOnly [ 599.356270] 313617 pages reserved [ 599.359471] blkid: page allocation stalls for 20030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 599.359478] CPU: 0 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 599.359490] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 599.359500] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 599.359508] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 599.359510] Call Trace: [ 599.359520] [] dump_stack+0xc1/0x128 [ 599.359528] [] warn_alloc.cold.31+0x7f/0x9c [ 599.359536] [] ? zone_watermark_ok_safe+0x250/0x250 [ 599.359543] [] ? shrink_node+0x740/0x740 [ 599.359552] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 599.359559] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 599.359567] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 599.359575] [] ? check_preemption_disabled+0x3b/0x200 [ 599.359581] [] ? find_get_entry+0x11a/0x570 [ 599.359588] [] ? find_get_entry+0x141/0x570 [ 599.359594] [] ? page_cache_prev_hole+0x80/0x80 [ 599.359603] [] ? autoremove_wake_function+0x40/0x40 [ 599.359610] [] ? pagecache_get_page+0x131/0x710 [ 599.359617] [] filemap_fault+0xaf1/0x1110 [ 599.359625] [] ext4_filemap_fault+0x71/0xa0 [ 599.359631] [] __do_fault+0x223/0x500 [ 599.359637] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 599.359644] [] ? handle_mm_fault+0x1d4f/0x2350 [ 599.359651] [] handle_mm_fault+0x1326/0x2350 [ 599.359657] [] ? vm_insert_page+0x6f0/0x6f0 [ 599.359664] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 599.359671] [] ? kmem_cache_free+0x28f/0x310 [ 599.359678] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 599.359685] [] __do_page_fault+0x403/0xa60 [ 599.359692] [] ? bad_area_access_error+0x3a0/0x3a0 [ 599.359701] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 599.359707] [] do_page_fault+0x27/0x30 [ 599.359714] [] page_fault+0x25/0x30 [ 599.359717] Mem-Info: [ 599.359731] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 599.359731] active_file:29 inactive_file:42 isolated_file:0 [ 599.359731] unevictable:0 dirty:0 writeback:0 unstable:0 [ 599.359731] slab_reclaimable:4571 slab_unreclaimable:56993 [ 599.359731] mapped:30 shmem:48 pagetables:365 bounce:0 [ 599.359731] free:5947 free_pcp:117 free_cma:0 [ 599.359743] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 599.359759] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 599.359784] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:348kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 599.359833] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18516kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 599.359872] 0 pages in swap cache [ 599.359875] Swap cache stats: add 0, delete 0, find 0/0 [ 599.359877] Free swap = 0kB [ 599.359879] Total swap = 0kB [ 599.359881] 1965979 pages RAM [ 599.359883] 0 pages HighMem/MovableOnly [ 599.359885] 313617 pages reserved [ 599.374023] blkid: page allocation stalls for 20020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 599.374030] CPU: 0 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 599.374042] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 599.374052] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 599.374060] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 599.374062] Call Trace: [ 599.374074] [] dump_stack+0xc1/0x128 [ 599.374082] [] warn_alloc.cold.31+0x7f/0x9c [ 599.374091] [] ? zone_watermark_ok_safe+0x250/0x250 [ 599.374099] [] ? shrink_node+0x740/0x740 [ 599.374107] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 599.374115] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 599.374123] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 599.374132] [] ? check_preemption_disabled+0x3b/0x200 [ 599.374139] [] ? find_get_entry+0x11a/0x570 [ 599.374145] [] ? find_get_entry+0x141/0x570 [ 599.374151] [] ? page_cache_prev_hole+0x80/0x80 [ 599.374160] [] ? autoremove_wake_function+0x40/0x40 [ 599.374170] [] ? pagecache_get_page+0x131/0x710 [ 599.374177] [] filemap_fault+0xaf1/0x1110 [ 599.374185] [] ext4_filemap_fault+0x71/0xa0 [ 599.374192] [] __do_fault+0x223/0x500 [ 599.374198] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 599.374204] [] ? handle_mm_fault+0x1d4f/0x2350 [ 599.374211] [] handle_mm_fault+0x1326/0x2350 [ 599.374218] [] ? vm_insert_page+0x6f0/0x6f0 [ 599.374224] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 599.374233] [] __do_page_fault+0x403/0xa60 [ 599.374240] [] ? bad_area_access_error+0x3a0/0x3a0 [ 599.374248] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 599.374255] [] do_page_fault+0x27/0x30 [ 599.374262] [] page_fault+0x25/0x30 [ 599.374265] Mem-Info: [ 599.374281] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 599.374281] active_file:29 inactive_file:42 isolated_file:0 [ 599.374281] unevictable:0 dirty:0 writeback:0 unstable:0 [ 599.374281] slab_reclaimable:4571 slab_unreclaimable:56993 [ 599.374281] mapped:30 shmem:48 pagetables:365 bounce:0 [ 599.374281] free:5947 free_pcp:117 free_cma:0 [ 599.374293] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 599.374309] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 599.374332] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:348kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 599.374382] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18516kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 599.374421] 0 pages in swap cache [ 599.374425] Swap cache stats: add 0, delete 0, find 0/0 [ 599.374427] Free swap = 0kB [ 599.374428] Total swap = 0kB [ 599.374431] 1965979 pages RAM [ 599.374432] 0 pages HighMem/MovableOnly [ 599.374434] 313617 pages reserved [ 599.379253] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 599.379253] to free 108kB on behalf of 'kthreadd' (2) because [ 599.379253] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 599.379253] Free memory is -13716kB above reserved [ 599.927042] syz-executor.3: page allocation stalls for 20020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 599.927052] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 599.927068] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 599.927078] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 599.927087] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 599.927089] Call Trace: [ 599.927108] [] dump_stack+0xc1/0x128 [ 599.927119] [] warn_alloc.cold.31+0x7f/0x9c [ 599.927134] [] ? zone_watermark_ok_safe+0x250/0x250 [ 599.927143] [] ? shrink_node+0x740/0x740 [ 599.927151] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 599.927160] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 599.927168] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 599.927178] [] ? check_preemption_disabled+0x3b/0x200 [ 599.927185] [] ? find_get_entry+0x11a/0x570 [ 599.927192] [] ? find_get_entry+0x141/0x570 [ 599.927198] [] ? page_cache_prev_hole+0x80/0x80 [ 599.927205] [] ? pagecache_get_page+0x131/0x710 [ 599.927212] [] filemap_fault+0xaf1/0x1110 [ 599.927221] [] ext4_filemap_fault+0x71/0xa0 [ 599.927228] [] __do_fault+0x223/0x500 [ 599.927234] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 599.927240] [] ? handle_mm_fault+0x1d4f/0x2350 [ 599.927247] [] handle_mm_fault+0x1326/0x2350 [ 599.927254] [] ? vm_insert_page+0x6f0/0x6f0 [ 599.927260] [] ? __might_fault+0x92/0x1d0 [ 599.927269] [] __do_page_fault+0x403/0xa60 [ 599.927279] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 599.927286] [] ? bad_area_access_error+0x3a0/0x3a0 [ 599.927297] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 599.927303] [] do_page_fault+0x27/0x30 [ 599.927312] [] page_fault+0x25/0x30 [ 599.927315] Mem-Info: [ 599.927332] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 599.927332] active_file:29 inactive_file:42 isolated_file:0 [ 599.927332] unevictable:0 dirty:0 writeback:0 unstable:0 [ 599.927332] slab_reclaimable:4571 slab_unreclaimable:56993 [ 599.927332] mapped:30 shmem:48 pagetables:365 bounce:0 [ 599.927332] free:5947 free_pcp:117 free_cma:0 [ 599.927344] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 599.927362] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 599.927386] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:348kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 599.927438] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18516kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 599.927477] 0 pages in swap cache [ 599.927480] Swap cache stats: add 0, delete 0, find 0/0 [ 599.927482] Free swap = 0kB [ 599.927484] Total swap = 0kB [ 599.927486] 1965979 pages RAM [ 599.927489] 0 pages HighMem/MovableOnly [ 599.927491] 313617 pages reserved [ 599.953325] syz-executor.0: page allocation stalls for 20010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 599.953335] CPU: 0 PID: 2362 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 599.953349] ffff88000cbd77c0 ffffffff81b42e79 1ffff1000197aefa ffff8801c75c4740 [ 599.953359] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000cbd7908 [ 599.953368] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 599.953369] Call Trace: [ 599.953386] [] dump_stack+0xc1/0x128 [ 599.953397] [] warn_alloc.cold.31+0x7f/0x9c [ 599.953406] [] ? zone_watermark_ok_safe+0x250/0x250 [ 599.953414] [] ? shrink_node+0x740/0x740 [ 599.953422] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 599.953431] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 599.953439] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 599.953448] [] ? check_preemption_disabled+0x3b/0x200 [ 599.953455] [] ? find_get_entry+0x11a/0x570 [ 599.953462] [] ? find_get_entry+0x141/0x570 [ 599.953468] [] ? page_cache_prev_hole+0x80/0x80 [ 599.953475] [] ? pagecache_get_page+0x131/0x710 [ 599.953481] [] filemap_fault+0xaf1/0x1110 [ 599.953491] [] ext4_filemap_fault+0x71/0xa0 [ 599.953497] [] __do_fault+0x223/0x500 [ 599.953504] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 599.953511] [] ? handle_mm_fault+0x1d4f/0x2350 [ 599.953518] [] handle_mm_fault+0x1326/0x2350 [ 599.953524] [] ? vm_insert_page+0x6f0/0x6f0 [ 599.953531] [] ? __might_fault+0x92/0x1d0 [ 599.953541] [] __do_page_fault+0x403/0xa60 [ 599.953549] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 599.953556] [] ? bad_area_access_error+0x3a0/0x3a0 [ 599.953566] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 599.953572] [] do_page_fault+0x27/0x30 [ 599.953581] [] page_fault+0x25/0x30 [ 599.953584] Mem-Info: [ 599.953601] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 599.953601] active_file:29 inactive_file:42 isolated_file:0 [ 599.953601] unevictable:0 dirty:0 writeback:0 unstable:0 [ 599.953601] slab_reclaimable:4571 slab_unreclaimable:56993 [ 599.953601] mapped:30 shmem:48 pagetables:365 bounce:0 [ 599.953601] free:5947 free_pcp:117 free_cma:0 [ 599.953613] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 599.953630] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 599.953654] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:348kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 599.953704] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18516kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 599.953742] 0 pages in swap cache [ 599.953746] Swap cache stats: add 0, delete 0, find 0/0 [ 599.953748] Free swap = 0kB [ 599.953750] Total swap = 0kB [ 599.953752] 1965979 pages RAM [ 599.953754] 0 pages HighMem/MovableOnly [ 599.953755] 313617 pages reserved [ 599.961483] syz-execprog: page allocation stalls for 20030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 599.961490] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 599.961503] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 599.961513] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 599.961522] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 599.961523] Call Trace: [ 599.961534] [] dump_stack+0xc1/0x128 [ 599.961541] [] warn_alloc.cold.31+0x7f/0x9c [ 599.961549] [] ? zone_watermark_ok_safe+0x250/0x250 [ 599.961556] [] ? shrink_node+0x740/0x740 [ 599.961565] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 599.961572] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 599.961580] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 599.961588] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 599.961594] [] ? find_get_entry+0x11a/0x570 [ 599.961601] [] ? find_get_entry+0x141/0x570 [ 599.961607] [] ? page_cache_prev_hole+0x80/0x80 [ 599.961616] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 599.961623] [] ? pagecache_get_page+0x131/0x710 [ 599.961630] [] filemap_fault+0xaf1/0x1110 [ 599.961637] [] ext4_filemap_fault+0x71/0xa0 [ 599.961643] [] __do_fault+0x223/0x500 [ 599.961650] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 599.961657] [] ? generic_file_readonly_mmap+0x190/0x190 [ 599.961664] [] handle_mm_fault+0x1326/0x2350 [ 599.961670] [] ? vm_insert_page+0x6f0/0x6f0 [ 599.961678] [] ? kvm_clock_read+0x23/0x40 [ 599.961685] [] ? kvm_clock_get_cycles+0x9/0x10 [ 599.961692] [] __do_page_fault+0x403/0xa60 [ 599.961699] [] ? bad_area_access_error+0x3a0/0x3a0 [ 599.961707] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 599.961713] [] do_page_fault+0x27/0x30 [ 599.961721] [] page_fault+0x25/0x30 [ 599.961723] Mem-Info: [ 599.961738] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 599.961738] active_file:29 inactive_file:42 isolated_file:0 [ 599.961738] unevictable:0 dirty:0 writeback:0 unstable:0 [ 599.961738] slab_reclaimable:4571 slab_unreclaimable:56993 [ 599.961738] mapped:30 shmem:48 pagetables:365 bounce:0 [ 599.961738] free:5947 free_pcp:117 free_cma:0 [ 599.961750] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 599.961767] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 599.961790] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:348kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 599.961840] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18516kB Normal: 456*4kB (UMH) 172*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5232kB 120 total pagecache pages [ 599.961878] 0 pages in swap cache [ 599.961882] Swap cache stats: add 0, delete 0, find 0/0 [ 599.961883] Free swap = 0kB [ 599.961885] Total swap = 0kB [ 599.961887] 1965979 pages RAM [ 599.961889] 0 pages HighMem/MovableOnly [ 599.961891] 313617 pages reserved [ 600.389003] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 600.389003] to free 108kB on behalf of 'init' (1) because [ 600.389003] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 600.389003] Free memory is -13716kB above reserved [ 600.389014] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 600.389014] to free 108kB on behalf of 'syz-executor.3' (2359) because [ 600.389014] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 600.389014] Free memory is -13716kB above reserved [ 601.398995] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 601.398995] to free 108kB on behalf of 'blkid' (2361) because [ 601.398995] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 601.398995] Free memory is -13716kB above reserved [ 601.399006] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 601.399006] to free 108kB on behalf of 'kthreadd' (2) because [ 601.399006] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 601.399006] Free memory is -13716kB above reserved [ 601.780935] kworker/1:1: page allocation stalls for 20010ms, order:0, mode:0x26040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK) [ 601.780946] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 4.9.141+ #23 [ 601.780966] Workqueue: events rht_deferred_worker [ 601.780980] ffff8801d9c2f5d8 ffffffff81b42e79 1ffff1003b385ebd ffff8801d9c20000 [ 601.780990] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d9c2f720 [ 601.780999] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 601.781001] Call Trace: [ 601.781017] [] dump_stack+0xc1/0x128 [ 601.781028] [] warn_alloc.cold.31+0x7f/0x9c [ 601.781039] [] ? zone_watermark_ok_safe+0x250/0x250 [ 601.781048] [] ? shrink_node+0x740/0x740 [ 601.781057] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 601.781066] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 601.781076] [] ? depot_save_stack+0x11c/0x470 [ 601.781084] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 601.781094] [] ? save_stack_trace+0x16/0x20 [ 601.781103] [] ? process_one_work+0x831/0x15f0 [ 601.781110] [] ? worker_thread+0xd6/0x1140 [ 601.781119] [] ? kthread+0x26d/0x300 [ 601.781128] [] ? new_slab+0x303/0x3d0 [ 601.781136] [] new_slab+0x367/0x3d0 [ 601.781145] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 601.781152] [] ? bucket_table_alloc+0x134/0x400 [ 601.781160] [] ? check_preemption_disabled+0x3b/0x200 [ 601.781167] [] ? bucket_table_alloc+0x134/0x400 [ 601.781175] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 601.781183] [] __kmalloc+0x26e/0x310 [ 601.781189] [] ? bucket_table_alloc+0x134/0x400 [ 601.781196] [] bucket_table_alloc+0x134/0x400 [ 601.781203] [] rht_deferred_worker+0x14ae/0x1a50 [ 601.781211] [] ? debug_object_deactivate+0x214/0x340 [ 601.781219] [] ? check_preemption_disabled+0x3b/0x200 [ 601.781226] [] process_one_work+0x831/0x15f0 [ 601.781233] [] ? process_one_work+0x774/0x15f0 [ 601.781241] [] ? cancel_delayed_work_sync+0x20/0x20 [ 601.781248] [] worker_thread+0xd6/0x1140 [ 601.781256] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 601.781264] [] kthread+0x26d/0x300 [ 601.781271] [] ? process_one_work+0x15f0/0x15f0 [ 601.781278] [] ? kthread_park+0xa0/0xa0 [ 601.781286] [] ? __switch_to_asm+0x34/0x70 [ 601.781293] [] ? kthread_park+0xa0/0xa0 [ 601.781300] [] ? kthread_park+0xa0/0xa0 [ 601.781307] [] ret_from_fork+0x5c/0x70 [ 601.781311] Mem-Info: [ 601.781328] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 601.781328] active_file:29 inactive_file:42 isolated_file:0 [ 601.781328] unevictable:0 dirty:0 writeback:0 unstable:0 [ 601.781328] slab_reclaimable:4571 slab_unreclaimable:56993 [ 601.781328] mapped:30 shmem:48 pagetables:365 bounce:0 [ 601.781328] free:5947 free_pcp:117 free_cma:0 [ 601.781342] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 601.781361] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 601.781388] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:348kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 601.781446] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 601.781487] 0 pages in swap cache [ 601.781491] Swap cache stats: add 0, delete 0, find 0/0 [ 601.781493] Free swap = 0kB [ 601.781496] Total swap = 0kB [ 601.781503] 1965979 pages RAM [ 601.781505] 0 pages HighMem/MovableOnly [ 601.781508] 313617 pages reserved [ 601.782092] kworker/1:2: page allocation stalls for 20020ms, order:0, mode:0x26040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK) [ 601.782098] CPU: 1 PID: 2183 Comm: kworker/1:2 Not tainted 4.9.141+ #23 [ 601.782108] Workqueue: events rht_deferred_worker [ 601.782119] ffff8801c998f5d8 ffffffff81b42e79 1ffff10039331ebd ffff8801caefdf00 [ 601.782129] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c998f720 [ 601.782139] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 601.782140] Call Trace: [ 601.782149] [] dump_stack+0xc1/0x128 [ 601.782156] [] warn_alloc.cold.31+0x7f/0x9c [ 601.782164] [] ? zone_watermark_ok_safe+0x250/0x250 [ 601.782172] [] ? shrink_node+0x740/0x740 [ 601.782181] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 601.782190] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 601.782197] [] ? depot_save_stack+0x11c/0x470 [ 601.782204] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 601.782212] [] ? save_stack_trace+0x16/0x20 [ 601.782219] [] ? process_one_work+0x831/0x15f0 [ 601.782225] [] ? worker_thread+0xd6/0x1140 [ 601.782232] [] ? kthread+0x26d/0x300 [ 601.782240] [] ? new_slab+0x303/0x3d0 [ 601.782248] [] new_slab+0x367/0x3d0 [ 601.782256] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 601.782263] [] ? bucket_table_alloc+0x134/0x400 [ 601.782271] [] ? check_preemption_disabled+0x3b/0x200 [ 601.782278] [] ? bucket_table_alloc+0x134/0x400 [ 601.782286] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 601.782294] [] __kmalloc+0x26e/0x310 [ 601.782300] [] ? bucket_table_alloc+0x134/0x400 [ 601.782307] [] bucket_table_alloc+0x134/0x400 [ 601.782315] [] rht_deferred_worker+0x14ae/0x1a50 [ 601.782322] [] ? debug_object_deactivate+0x214/0x340 [ 601.782330] [] ? check_preemption_disabled+0x3b/0x200 [ 601.782337] [] process_one_work+0x831/0x15f0 [ 601.782344] [] ? process_one_work+0x774/0x15f0 [ 601.782351] [] ? cancel_delayed_work_sync+0x20/0x20 [ 601.782359] [] worker_thread+0xd6/0x1140 [ 601.782365] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 601.782373] [] kthread+0x26d/0x300 [ 601.782380] [] ? process_one_work+0x15f0/0x15f0 [ 601.782387] [] ? kthread_park+0xa0/0xa0 [ 601.782395] [] ? __switch_to_asm+0x34/0x70 [ 601.782402] [] ? kthread_park+0xa0/0xa0 [ 601.782409] [] ? kthread_park+0xa0/0xa0 [ 601.782416] [] ret_from_fork+0x5c/0x70 [ 601.782419] Mem-Info: [ 601.782434] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 601.782434] active_file:29 inactive_file:42 isolated_file:0 [ 601.782434] unevictable:0 dirty:0 writeback:0 unstable:0 [ 601.782434] slab_reclaimable:4571 slab_unreclaimable:56993 [ 601.782434] mapped:30 shmem:48 pagetables:365 bounce:0 [ 601.782434] free:5947 free_pcp:117 free_cma:0 [ 601.782447] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 601.782465] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 601.782491] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:348kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 601.782552] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 601.782595] 0 pages in swap cache [ 601.782599] Swap cache stats: add 0, delete 0, find 0/0 [ 601.782601] Free swap = 0kB [ 601.782603] Total swap = 0kB [ 601.782605] 1965979 pages RAM [ 601.782608] 0 pages HighMem/MovableOnly [ 601.782610] 313617 pages reserved [ 601.831737] kthreadd: page allocation stalls for 20010ms, order:3, mode:0x27080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK) [ 601.831746] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.9.141+ #23 [ 601.831762] ffff8801da62f848 ffffffff81b42e79 1ffff1003b4c5f0b ffff8801da5f97c0 [ 601.831772] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da62f990 [ 601.831782] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 601.831784] Call Trace: [ 601.831802] [] dump_stack+0xc1/0x128 [ 601.831813] [] warn_alloc.cold.31+0x7f/0x9c [ 601.831824] [] ? zone_watermark_ok_safe+0x250/0x250 [ 601.831835] [] ? try_to_compact_pages+0x41/0x710 [ 601.831845] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 601.831854] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 601.831863] [] ? avc_has_perm_noaudit+0x2f0/0x2f0 [ 601.831873] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 601.831881] [] ? kmem_cache_alloc+0x246/0x2b0 [ 601.831892] [] copy_process.part.8+0x280/0x6a10 [ 601.831901] [] ? kthread_park+0xa0/0xa0 [ 601.831909] [] ? __cleanup_sighand+0x40/0x40 [ 601.831917] [] ? trace_hardirqs_on+0x10/0x10 [ 601.831924] [] _do_fork+0x1b2/0xd30 [ 601.831932] [] ? kthread_park+0xa0/0xa0 [ 601.831939] [] ? fork_idle+0x270/0x270 [ 601.831946] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 601.831953] [] ? kthreadd+0x1cc/0x420 [ 601.831960] [] ? kthreadd+0x293/0x420 [ 601.831967] [] ? kthread_park+0xa0/0xa0 [ 601.831975] [] kernel_thread+0x34/0x40 [ 601.831982] [] kthreadd+0x2a7/0x420 [ 601.831990] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 601.831998] [] ? finish_task_switch+0x1e9/0x640 [ 601.832007] [] ? __switch_to_asm+0x34/0x70 [ 601.832013] [] ? __switch_to_asm+0x40/0x70 [ 601.832020] [] ? __switch_to_asm+0x34/0x70 [ 601.832028] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 601.832036] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 601.832042] [] ret_from_fork+0x5c/0x70 [ 601.832046] Mem-Info: [ 601.832063] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 601.832063] active_file:29 inactive_file:42 isolated_file:0 [ 601.832063] unevictable:0 dirty:0 writeback:0 unstable:0 [ 601.832063] slab_reclaimable:4571 slab_unreclaimable:56993 [ 601.832063] mapped:30 shmem:48 pagetables:365 bounce:0 [ 601.832063] free:5947 free_pcp:117 free_cma:0 [ 601.832076] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 601.832095] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 601.832121] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:348kB local_pcp:112kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 601.832175] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 601.832217] 0 pages in swap cache [ 601.832221] Swap cache stats: add 0, delete 0, find 0/0 [ 601.832223] Free swap = 0kB [ 601.832225] Total swap = 0kB [ 601.832227] 1965979 pages RAM [ 601.832229] 0 pages HighMem/MovableOnly [ 601.832231] 313617 pages reserved [ 602.135445] syz-executor.3: page allocation stalls for 20040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 602.135456] CPU: 0 PID: 2179 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 602.135473] ffff8801c9c5f7c0 ffffffff81b42e79 1ffff1003938befa ffff8801caefc740 [ 602.135482] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9c5f908 [ 602.135493] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 602.135494] Call Trace: [ 602.135514] [] dump_stack+0xc1/0x128 [ 602.135526] [] warn_alloc.cold.31+0x7f/0x9c [ 602.135536] [] ? zone_watermark_ok_safe+0x250/0x250 [ 602.135546] [] ? shrink_node+0x740/0x740 [ 602.135555] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 602.135564] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 602.135573] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 602.135584] [] ? check_preemption_disabled+0x3b/0x200 [ 602.135591] [] ? find_get_entry+0x11a/0x570 [ 602.135599] [] ? find_get_entry+0x141/0x570 [ 602.135606] [] ? page_cache_prev_hole+0x80/0x80 [ 602.135613] [] ? pagecache_get_page+0x131/0x710 [ 602.135621] [] filemap_fault+0xaf1/0x1110 [ 602.135631] [] ext4_filemap_fault+0x71/0xa0 [ 602.135638] [] __do_fault+0x223/0x500 [ 602.135645] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 602.135653] [] ? handle_mm_fault+0x1d4f/0x2350 [ 602.135660] [] handle_mm_fault+0x1326/0x2350 [ 602.135667] [] ? vm_insert_page+0x6f0/0x6f0 [ 602.135674] [] ? __might_fault+0x92/0x1d0 [ 602.135684] [] __do_page_fault+0x403/0xa60 [ 602.135694] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 602.135701] [] ? bad_area_access_error+0x3a0/0x3a0 [ 602.135711] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 602.135718] [] do_page_fault+0x27/0x30 [ 602.135728] [] page_fault+0x25/0x30 [ 602.135731] Mem-Info: [ 602.135749] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 602.135749] active_file:29 inactive_file:42 isolated_file:0 [ 602.135749] unevictable:0 dirty:0 writeback:0 unstable:0 [ 602.135749] slab_reclaimable:4571 slab_unreclaimable:56993 [ 602.135749] mapped:30 shmem:48 pagetables:365 bounce:0 [ 602.135749] free:5947 free_pcp:117 free_cma:0 [ 602.135762] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 602.135781] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 602.135807] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:348kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 602.135864] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 602.135908] 0 pages in swap cache [ 602.135912] Swap cache stats: add 0, delete 0, find 0/0 [ 602.135914] Free swap = 0kB [ 602.135916] Total swap = 0kB [ 602.135918] 1965979 pages RAM [ 602.135920] 0 pages HighMem/MovableOnly [ 602.135922] 313617 pages reserved [ 602.408997] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 602.408997] to free 108kB on behalf of 'blkid' (2361) because [ 602.408997] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 602.408997] Free memory is -13716kB above reserved [ 603.421023] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 603.421023] to free 108kB on behalf of 'syz-executor.3' (2179) because [ 603.421023] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 603.421023] Free memory is -13716kB above reserved [ 603.421035] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 603.421035] to free 108kB on behalf of 'syz-executor.4' (2337) because [ 603.421035] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 603.421035] Free memory is -13716kB above reserved [ 604.428951] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 604.428951] to free 108kB on behalf of 'kworker/1:1' (22) because [ 604.428951] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 604.428951] Free memory is -13716kB above reserved [ 604.428963] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 604.428963] to free 108kB on behalf of 'blkid' (2361) because [ 604.428963] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 604.428963] Free memory is -13716kB above reserved [ 605.441208] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 605.441208] to free 108kB on behalf of 'syz-executor.0' (2363) because [ 605.441208] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 605.441208] Free memory is -13716kB above reserved [ 606.448960] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 606.448960] to free 108kB on behalf of 'init' (1) because [ 606.448960] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 606.448960] Free memory is -13716kB above reserved [ 607.458966] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 607.458966] to free 108kB on behalf of 'syz-executor.5' (2328) because [ 607.458966] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 607.458966] Free memory is -13716kB above reserved [ 607.458978] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 607.458978] to free 108kB on behalf of 'kworker/1:2' (2183) because [ 607.458978] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 607.458978] Free memory is -13716kB above reserved [ 608.469018] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 608.469018] to free 108kB on behalf of 'blkid' (2361) because [ 608.469018] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 608.469018] Free memory is -13716kB above reserved [ 608.469030] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 608.469030] to free 108kB on behalf of 'kworker/1:2' (2183) because [ 608.469030] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 608.469030] Free memory is -13716kB above reserved [ 609.344915] warn_alloc: 1 callbacks suppressed [ 609.344932] syz-executor.0: page allocation stalls for 30020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 609.344942] CPU: 1 PID: 2182 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 609.344959] ffff8801c9e677c0 ffffffff81b42e79 1ffff100393ccefa ffff8801c9c8af80 [ 609.344969] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9e67908 [ 609.344984] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 609.344986] Call Trace: [ 609.345006] [] dump_stack+0xc1/0x128 [ 609.345018] [] warn_alloc.cold.31+0x7f/0x9c [ 609.345029] [] ? zone_watermark_ok_safe+0x250/0x250 [ 609.345039] [] ? shrink_node+0x740/0x740 [ 609.345048] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 609.345057] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 609.345066] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 609.345075] [] ? check_preemption_disabled+0x3b/0x200 [ 609.345083] [] ? find_get_entry+0x11a/0x570 [ 609.345091] [] ? find_get_entry+0x141/0x570 [ 609.345098] [] ? page_cache_prev_hole+0x80/0x80 [ 609.345105] [] ? pagecache_get_page+0x131/0x710 [ 609.345113] [] filemap_fault+0xaf1/0x1110 [ 609.345122] [] ext4_filemap_fault+0x71/0xa0 [ 609.345129] [] __do_fault+0x223/0x500 [ 609.345136] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 609.345144] [] ? generic_file_readonly_mmap+0x190/0x190 [ 609.345151] [] handle_mm_fault+0x1326/0x2350 [ 609.345158] [] ? vm_insert_page+0x6f0/0x6f0 [ 609.345165] [] ? __might_fault+0x92/0x1d0 [ 609.345175] [] __do_page_fault+0x403/0xa60 [ 609.345184] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 609.345192] [] ? bad_area_access_error+0x3a0/0x3a0 [ 609.345202] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 609.345209] [] do_page_fault+0x27/0x30 [ 609.345218] [] page_fault+0x25/0x30 [ 609.345222] Mem-Info: [ 609.345239] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 609.345239] active_file:29 inactive_file:42 isolated_file:0 [ 609.345239] unevictable:0 dirty:0 writeback:0 unstable:0 [ 609.345239] slab_reclaimable:4571 slab_unreclaimable:56993 [ 609.345239] mapped:30 shmem:48 pagetables:365 bounce:0 [ 609.345239] free:5947 free_pcp:116 free_cma:0 [ 609.345252] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 609.345271] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 609.345297] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 609.345355] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 609.345399] 0 pages in swap cache [ 609.345403] Swap cache stats: add 0, delete 0, find 0/0 [ 609.345405] Free swap = 0kB [ 609.345407] Total swap = 0kB [ 609.345410] 1965979 pages RAM [ 609.345412] 0 pages HighMem/MovableOnly [ 609.345414] 313617 pages reserved [ 609.354859] blkid: page allocation stalls for 30020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 609.354866] CPU: 0 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 609.354880] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 609.354890] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 609.354900] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 609.354902] Call Trace: [ 609.354912] [] dump_stack+0xc1/0x128 [ 609.354921] [] warn_alloc.cold.31+0x7f/0x9c [ 609.354929] [] ? zone_watermark_ok_safe+0x250/0x250 [ 609.354937] [] ? shrink_node+0x740/0x740 [ 609.354945] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 609.354953] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 609.354962] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 609.354971] [] ? check_preemption_disabled+0x3b/0x200 [ 609.354977] [] ? find_get_entry+0x11a/0x570 [ 609.354984] [] ? find_get_entry+0x141/0x570 [ 609.354991] [] ? page_cache_prev_hole+0x80/0x80 [ 609.355000] [] ? autoremove_wake_function+0x40/0x40 [ 609.355008] [] ? pagecache_get_page+0x131/0x710 [ 609.355015] [] filemap_fault+0xaf1/0x1110 [ 609.355023] [] ext4_filemap_fault+0x71/0xa0 [ 609.355030] [] __do_fault+0x223/0x500 [ 609.355036] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 609.355044] [] ? handle_mm_fault+0x1d4f/0x2350 [ 609.355051] [] handle_mm_fault+0x1326/0x2350 [ 609.355058] [] ? vm_insert_page+0x6f0/0x6f0 [ 609.355065] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 609.355073] [] ? kmem_cache_free+0x28f/0x310 [ 609.355080] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 609.355089] [] __do_page_fault+0x403/0xa60 [ 609.355096] [] ? bad_area_access_error+0x3a0/0x3a0 [ 609.355105] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 609.355112] [] do_page_fault+0x27/0x30 [ 609.355119] [] page_fault+0x25/0x30 [ 609.355123] Mem-Info: [ 609.355139] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 609.355139] active_file:29 inactive_file:42 isolated_file:0 [ 609.355139] unevictable:0 dirty:0 writeback:0 unstable:0 [ 609.355139] slab_reclaimable:4571 slab_unreclaimable:56993 [ 609.355139] mapped:30 shmem:48 pagetables:365 bounce:0 [ 609.355139] free:5947 free_pcp:116 free_cma:0 [ 609.355152] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 609.355170] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 609.355195] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 609.355251] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 609.355293] 0 pages in swap cache [ 609.355297] Swap cache stats: add 0, delete 0, find 0/0 [ 609.355299] Free swap = 0kB [ 609.355301] Total swap = 0kB [ 609.355304] 1965979 pages RAM [ 609.355306] 0 pages HighMem/MovableOnly [ 609.355308] 313617 pages reserved [ 609.366379] blkid: page allocation stalls for 30010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 609.366387] CPU: 0 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 609.366402] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 609.366412] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 609.366422] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 609.366424] Call Trace: [ 609.366439] [] dump_stack+0xc1/0x128 [ 609.366448] [] warn_alloc.cold.31+0x7f/0x9c [ 609.366458] [] ? zone_watermark_ok_safe+0x250/0x250 [ 609.366466] [] ? shrink_node+0x740/0x740 [ 609.366479] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 609.366488] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 609.366497] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 609.366505] [] ? check_preemption_disabled+0x3b/0x200 [ 609.366513] [] ? find_get_entry+0x11a/0x570 [ 609.366520] [] ? find_get_entry+0x141/0x570 [ 609.366527] [] ? page_cache_prev_hole+0x80/0x80 [ 609.366536] [] ? autoremove_wake_function+0x40/0x40 [ 609.366543] [] ? pagecache_get_page+0x131/0x710 [ 609.366551] [] filemap_fault+0xaf1/0x1110 [ 609.366560] [] ext4_filemap_fault+0x71/0xa0 [ 609.366567] [] __do_fault+0x223/0x500 [ 609.366574] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 609.366582] [] ? handle_mm_fault+0x1d4f/0x2350 [ 609.366589] [] handle_mm_fault+0x1326/0x2350 [ 609.366596] [] ? vm_insert_page+0x6f0/0x6f0 [ 609.366603] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 609.366613] [] __do_page_fault+0x403/0xa60 [ 609.366620] [] ? bad_area_access_error+0x3a0/0x3a0 [ 609.366630] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 609.366637] [] do_page_fault+0x27/0x30 [ 609.366645] [] page_fault+0x25/0x30 [ 609.366648] Mem-Info: [ 609.366665] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 609.366665] active_file:29 inactive_file:42 isolated_file:0 [ 609.366665] unevictable:0 dirty:0 writeback:0 unstable:0 [ 609.366665] slab_reclaimable:4571 slab_unreclaimable:56993 [ 609.366665] mapped:30 shmem:48 pagetables:365 bounce:0 [ 609.366665] free:5947 free_pcp:116 free_cma:0 [ 609.366678] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 609.366696] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 609.366722] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 609.366779] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 609.366823] 0 pages in swap cache [ 609.366827] Swap cache stats: add 0, delete 0, find 0/0 [ 609.366829] Free swap = 0kB [ 609.366831] Total swap = 0kB [ 609.366833] 1965979 pages RAM [ 609.366835] 0 pages HighMem/MovableOnly [ 609.366838] 313617 pages reserved [ 609.478960] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 609.478960] to free 108kB on behalf of 'syz-execprog' (2156) because [ 609.478960] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 609.478960] Free memory is -13716kB above reserved [ 609.909695] syz-executor.3: page allocation stalls for 30010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 609.909705] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 609.909721] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 609.909730] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 609.909739] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 609.909741] Call Trace: [ 609.909760] [] dump_stack+0xc1/0x128 [ 609.909771] [] warn_alloc.cold.31+0x7f/0x9c [ 609.909781] [] ? zone_watermark_ok_safe+0x250/0x250 [ 609.909791] [] ? shrink_node+0x740/0x740 [ 609.909799] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 609.909807] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 609.909815] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 609.909825] [] ? check_preemption_disabled+0x3b/0x200 [ 609.909831] [] ? find_get_entry+0x11a/0x570 [ 609.909838] [] ? find_get_entry+0x141/0x570 [ 609.909844] [] ? page_cache_prev_hole+0x80/0x80 [ 609.909851] [] ? pagecache_get_page+0x131/0x710 [ 609.909858] [] filemap_fault+0xaf1/0x1110 [ 609.909869] [] ext4_filemap_fault+0x71/0xa0 [ 609.909875] [] __do_fault+0x223/0x500 [ 609.909881] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 609.909888] [] ? handle_mm_fault+0x1d4f/0x2350 [ 609.909895] [] handle_mm_fault+0x1326/0x2350 [ 609.909902] [] ? vm_insert_page+0x6f0/0x6f0 [ 609.909908] [] ? __might_fault+0x92/0x1d0 [ 609.909917] [] __do_page_fault+0x403/0xa60 [ 609.909926] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 609.909933] [] ? bad_area_access_error+0x3a0/0x3a0 [ 609.909942] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 609.909948] [] do_page_fault+0x27/0x30 [ 609.909957] [] page_fault+0x25/0x30 [ 609.909960] Mem-Info: [ 609.909976] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 609.909976] active_file:29 inactive_file:42 isolated_file:0 [ 609.909976] unevictable:0 dirty:0 writeback:0 unstable:0 [ 609.909976] slab_reclaimable:4571 slab_unreclaimable:56993 [ 609.909976] mapped:30 shmem:48 pagetables:365 bounce:0 [ 609.909976] free:5947 free_pcp:116 free_cma:0 [ 609.909988] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 609.910006] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 609.910030] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 609.910081] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 609.910119] 0 pages in swap cache [ 609.910123] Swap cache stats: add 0, delete 0, find 0/0 [ 609.910125] Free swap = 0kB [ 609.910127] Total swap = 0kB [ 609.910129] 1965979 pages RAM [ 609.910131] 0 pages HighMem/MovableOnly [ 609.910133] 313617 pages reserved [ 609.942321] syz-execprog: page allocation stalls for 30010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 609.942329] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 609.942344] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 609.942354] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 609.942363] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 609.942364] Call Trace: [ 609.942486] [] dump_stack+0xc1/0x128 [ 609.942497] [] warn_alloc.cold.31+0x7f/0x9c [ 609.942507] [] ? zone_watermark_ok_safe+0x250/0x250 [ 609.942515] [] ? shrink_node+0x740/0x740 [ 609.942524] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 609.942532] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 609.942540] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 609.942547] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 609.942554] [] ? find_get_entry+0x11a/0x570 [ 609.942560] [] ? find_get_entry+0x141/0x570 [ 609.942567] [] ? page_cache_prev_hole+0x80/0x80 [ 609.942577] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 609.942583] [] ? pagecache_get_page+0x131/0x710 [ 609.942590] [] filemap_fault+0xaf1/0x1110 [ 609.942599] [] ext4_filemap_fault+0x71/0xa0 [ 609.942606] [] __do_fault+0x223/0x500 [ 609.942612] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 609.942620] [] ? generic_file_readonly_mmap+0x190/0x190 [ 609.942627] [] handle_mm_fault+0x1326/0x2350 [ 609.942634] [] ? vm_insert_page+0x6f0/0x6f0 [ 609.942642] [] ? kvm_clock_read+0x23/0x40 [ 609.942649] [] ? kvm_clock_get_cycles+0x9/0x10 [ 609.942656] [] __do_page_fault+0x403/0xa60 [ 609.942663] [] ? bad_area_access_error+0x3a0/0x3a0 [ 609.942673] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 609.942679] [] do_page_fault+0x27/0x30 [ 609.942687] [] page_fault+0x25/0x30 [ 609.942691] Mem-Info: [ 609.942707] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 609.942707] active_file:29 inactive_file:42 isolated_file:0 [ 609.942707] unevictable:0 dirty:0 writeback:0 unstable:0 [ 609.942707] slab_reclaimable:4571 slab_unreclaimable:56993 [ 609.942707] mapped:30 shmem:48 pagetables:365 bounce:0 [ 609.942707] free:5947 free_pcp:116 free_cma:0 [ 609.942720] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 609.942736] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 609.942760] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 609.942811] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 609.942850] 0 pages in swap cache [ 609.942853] Swap cache stats: add 0, delete 0, find 0/0 [ 609.942855] Free swap = 0kB [ 609.942857] Total swap = 0kB [ 609.942859] 1965979 pages RAM [ 609.942861] 0 pages HighMem/MovableOnly [ 609.942863] 313617 pages reserved [ 609.993200] syz-executor.0: page allocation stalls for 30050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 609.993210] CPU: 1 PID: 2362 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 609.993229] ffff88000cbd77c0 ffffffff81b42e79 1ffff1000197aefa ffff8801c75c4740 [ 609.993240] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000cbd7908 [ 609.993250] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 609.993253] Call Trace: [ 609.993272] [] dump_stack+0xc1/0x128 [ 609.993285] [] warn_alloc.cold.31+0x7f/0x9c [ 609.993296] [] ? zone_watermark_ok_safe+0x250/0x250 [ 609.993305] [] ? shrink_node+0x740/0x740 [ 609.993315] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 609.993324] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 609.993333] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 609.993343] [] ? check_preemption_disabled+0x3b/0x200 [ 609.993351] [] ? find_get_entry+0x11a/0x570 [ 609.993358] [] ? find_get_entry+0x141/0x570 [ 609.993365] [] ? page_cache_prev_hole+0x80/0x80 [ 609.993372] [] ? pagecache_get_page+0x131/0x710 [ 609.993380] [] filemap_fault+0xaf1/0x1110 [ 609.993390] [] ext4_filemap_fault+0x71/0xa0 [ 609.993397] [] __do_fault+0x223/0x500 [ 609.993404] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 609.993411] [] ? handle_mm_fault+0x1d4f/0x2350 [ 609.993419] [] handle_mm_fault+0x1326/0x2350 [ 609.993426] [] ? vm_insert_page+0x6f0/0x6f0 [ 609.993433] [] ? __might_fault+0x92/0x1d0 [ 609.993444] [] __do_page_fault+0x403/0xa60 [ 609.993456] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 609.993463] [] ? bad_area_access_error+0x3a0/0x3a0 [ 609.993475] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 609.993483] [] do_page_fault+0x27/0x30 [ 609.993493] [] page_fault+0x25/0x30 [ 609.993497] Mem-Info: [ 609.993514] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 609.993514] active_file:29 inactive_file:42 isolated_file:0 [ 609.993514] unevictable:0 dirty:0 writeback:0 unstable:0 [ 609.993514] slab_reclaimable:4571 slab_unreclaimable:56993 [ 609.993514] mapped:30 shmem:48 pagetables:365 bounce:0 [ 609.993514] free:5947 free_pcp:116 free_cma:0 [ 609.993528] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 609.993547] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 609.993573] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 609.993630] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 609.993674] 0 pages in swap cache [ 609.993678] Swap cache stats: add 0, delete 0, find 0/0 [ 609.993680] Free swap = 0kB [ 609.993682] Total swap = 0kB [ 609.993684] 1965979 pages RAM [ 609.993687] 0 pages HighMem/MovableOnly [ 609.993689] 313617 pages reserved [ 610.488995] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 610.488995] to free 108kB on behalf of 'syz-executor.3' (2179) because [ 610.488995] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 610.488995] Free memory is -13716kB above reserved [ 611.498986] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 611.498986] to free 108kB on behalf of 'syz-executor.0' (2182) because [ 611.498986] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 611.498986] Free memory is -13716kB above reserved [ 611.498998] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 611.498998] to free 108kB on behalf of 'blkid' (2360) because [ 611.498998] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 611.498998] Free memory is -13716kB above reserved [ 611.782671] kworker/1:2: page allocation stalls for 30020ms, order:0, mode:0x26040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK) [ 611.782683] CPU: 1 PID: 2183 Comm: kworker/1:2 Not tainted 4.9.141+ #23 [ 611.782703] Workqueue: events rht_deferred_worker [ 611.782718] ffff8801c998f5d8 ffffffff81b42e79 1ffff10039331ebd ffff8801caefdf00 [ 611.782728] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c998f720 [ 611.782738] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 611.782739] Call Trace: [ 611.782755] [] dump_stack+0xc1/0x128 [ 611.782767] [] warn_alloc.cold.31+0x7f/0x9c [ 611.782778] [] ? zone_watermark_ok_safe+0x250/0x250 [ 611.782787] [] ? shrink_node+0x740/0x740 [ 611.782796] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 611.782810] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 611.782818] [] ? depot_save_stack+0x11c/0x470 [ 611.782826] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 611.782835] [] ? save_stack_trace+0x16/0x20 [ 611.782844] [] ? process_one_work+0x831/0x15f0 [ 611.782850] [] ? worker_thread+0xd6/0x1140 [ 611.782857] [] ? kthread+0x26d/0x300 [ 611.782867] [] ? new_slab+0x303/0x3d0 [ 611.782875] [] new_slab+0x367/0x3d0 [ 611.782884] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 611.782890] [] ? bucket_table_alloc+0x134/0x400 [ 611.782901] [] ? check_preemption_disabled+0x3b/0x200 [ 611.782908] [] ? bucket_table_alloc+0x134/0x400 [ 611.782916] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 611.782924] [] __kmalloc+0x26e/0x310 [ 611.782930] [] ? bucket_table_alloc+0x134/0x400 [ 611.782937] [] bucket_table_alloc+0x134/0x400 [ 611.782944] [] rht_deferred_worker+0x14ae/0x1a50 [ 611.782952] [] ? debug_object_deactivate+0x214/0x340 [ 611.782960] [] ? check_preemption_disabled+0x3b/0x200 [ 611.782967] [] process_one_work+0x831/0x15f0 [ 611.782974] [] ? process_one_work+0x774/0x15f0 [ 611.782981] [] ? cancel_delayed_work_sync+0x20/0x20 [ 611.782988] [] worker_thread+0xd6/0x1140 [ 611.782997] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 611.783004] [] kthread+0x26d/0x300 [ 611.783011] [] ? process_one_work+0x15f0/0x15f0 [ 611.783018] [] ? kthread_park+0xa0/0xa0 [ 611.783026] [] ? __switch_to_asm+0x34/0x70 [ 611.783033] [] ? kthread_park+0xa0/0xa0 [ 611.783040] [] ? kthread_park+0xa0/0xa0 [ 611.783047] [] ret_from_fork+0x5c/0x70 [ 611.783051] Mem-Info: [ 611.783068] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 611.783068] active_file:29 inactive_file:42 isolated_file:0 [ 611.783068] unevictable:0 dirty:0 writeback:0 unstable:0 [ 611.783068] slab_reclaimable:4571 slab_unreclaimable:56993 [ 611.783068] mapped:30 shmem:48 pagetables:365 bounce:0 [ 611.783068] free:5947 free_pcp:116 free_cma:0 [ 611.783081] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 611.783100] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 611.783127] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 611.783184] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 611.783230] 0 pages in swap cache [ 611.783234] Swap cache stats: add 0, delete 0, find 0/0 [ 611.783236] Free swap = 0kB [ 611.783238] Total swap = 0kB [ 611.783240] 1965979 pages RAM [ 611.783243] 0 pages HighMem/MovableOnly [ 611.783245] 313617 pages reserved [ 611.794976] kworker/1:1: page allocation stalls for 30020ms, order:0, mode:0x26040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK) [ 611.794985] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 4.9.141+ #23 [ 611.794999] Workqueue: events rht_deferred_worker [ 611.795012] ffff8801d9c2f5d8 ffffffff81b42e79 1ffff1003b385ebd ffff8801d9c20000 [ 611.795022] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d9c2f720 [ 611.795032] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 611.795034] Call Trace: [ 611.795047] [] dump_stack+0xc1/0x128 [ 611.795056] [] warn_alloc.cold.31+0x7f/0x9c [ 611.795065] [] ? zone_watermark_ok_safe+0x250/0x250 [ 611.795074] [] ? shrink_node+0x740/0x740 [ 611.795083] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 611.795092] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 611.795101] [] ? depot_save_stack+0x11c/0x470 [ 611.795108] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 611.795117] [] ? save_stack_trace+0x16/0x20 [ 611.795125] [] ? process_one_work+0x831/0x15f0 [ 611.795131] [] ? worker_thread+0xd6/0x1140 [ 611.795138] [] ? kthread+0x26d/0x300 [ 611.795147] [] ? new_slab+0x303/0x3d0 [ 611.795154] [] new_slab+0x367/0x3d0 [ 611.795163] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 611.795170] [] ? bucket_table_alloc+0x134/0x400 [ 611.795178] [] ? check_preemption_disabled+0x3b/0x200 [ 611.795185] [] ? bucket_table_alloc+0x134/0x400 [ 611.795193] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 611.795201] [] __kmalloc+0x26e/0x310 [ 611.795207] [] ? bucket_table_alloc+0x134/0x400 [ 611.795214] [] bucket_table_alloc+0x134/0x400 [ 611.795221] [] rht_deferred_worker+0x14ae/0x1a50 [ 611.795229] [] ? debug_object_deactivate+0x214/0x340 [ 611.795237] [] ? check_preemption_disabled+0x3b/0x200 [ 611.795244] [] process_one_work+0x831/0x15f0 [ 611.795251] [] ? process_one_work+0x774/0x15f0 [ 611.795258] [] ? cancel_delayed_work_sync+0x20/0x20 [ 611.795265] [] worker_thread+0xd6/0x1140 [ 611.795273] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 611.795281] [] kthread+0x26d/0x300 [ 611.795287] [] ? process_one_work+0x15f0/0x15f0 [ 611.795294] [] ? kthread_park+0xa0/0xa0 [ 611.795301] [] ? __switch_to_asm+0x34/0x70 [ 611.795308] [] ? kthread_park+0xa0/0xa0 [ 611.795315] [] ? kthread_park+0xa0/0xa0 [ 611.795322] [] ret_from_fork+0x5c/0x70 [ 611.795325] Mem-Info: [ 611.795342] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 611.795342] active_file:29 inactive_file:42 isolated_file:0 [ 611.795342] unevictable:0 dirty:0 writeback:0 unstable:0 [ 611.795342] slab_reclaimable:4571 slab_unreclaimable:56993 [ 611.795342] mapped:30 shmem:48 pagetables:365 bounce:0 [ 611.795342] free:5947 free_pcp:116 free_cma:0 [ 611.795355] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 611.795373] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 611.795399] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 611.795457] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 611.795501] 0 pages in swap cache [ 611.795505] Swap cache stats: add 0, delete 0, find 0/0 [ 611.795507] Free swap = 0kB [ 611.795510] Total swap = 0kB [ 611.795512] 1965979 pages RAM [ 611.795514] 0 pages HighMem/MovableOnly [ 611.795516] 313617 pages reserved [ 611.834463] kthreadd: page allocation stalls for 30010ms, order:3, mode:0x27080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK) [ 611.834472] CPU: 0 PID: 2 Comm: kthreadd Not tainted 4.9.141+ #23 [ 611.834489] ffff8801da62f848 ffffffff81b42e79 1ffff1003b4c5f0b ffff8801da5f97c0 [ 611.834499] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da62f990 [ 611.834509] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 611.834511] Call Trace: [ 611.834530] [] dump_stack+0xc1/0x128 [ 611.834541] [] warn_alloc.cold.31+0x7f/0x9c [ 611.834552] [] ? zone_watermark_ok_safe+0x250/0x250 [ 611.834564] [] ? try_to_compact_pages+0x41/0x710 [ 611.834573] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 611.834582] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 611.834591] [] ? avc_has_perm_noaudit+0x2f0/0x2f0 [ 611.834599] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 611.834607] [] ? kmem_cache_alloc+0x246/0x2b0 [ 611.834616] [] copy_process.part.8+0x280/0x6a10 [ 611.834625] [] ? kthread_park+0xa0/0xa0 [ 611.834632] [] ? __cleanup_sighand+0x40/0x40 [ 611.834641] [] ? trace_hardirqs_on+0x10/0x10 [ 611.834648] [] _do_fork+0x1b2/0xd30 [ 611.834656] [] ? kthread_park+0xa0/0xa0 [ 611.834663] [] ? fork_idle+0x270/0x270 [ 611.834670] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 611.834677] [] ? kthreadd+0x1cc/0x420 [ 611.834684] [] ? kthreadd+0x293/0x420 [ 611.834691] [] ? kthread_park+0xa0/0xa0 [ 611.834698] [] kernel_thread+0x34/0x40 [ 611.834706] [] kthreadd+0x2a7/0x420 [ 611.834714] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 611.834722] [] ? finish_task_switch+0x1e9/0x640 [ 611.834731] [] ? __switch_to_asm+0x34/0x70 [ 611.834737] [] ? __switch_to_asm+0x40/0x70 [ 611.834744] [] ? __switch_to_asm+0x34/0x70 [ 611.834751] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 611.834759] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 611.834766] [] ret_from_fork+0x5c/0x70 [ 611.834770] Mem-Info: [ 611.834787] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 611.834787] active_file:29 inactive_file:42 isolated_file:0 [ 611.834787] unevictable:0 dirty:0 writeback:0 unstable:0 [ 611.834787] slab_reclaimable:4571 slab_unreclaimable:56993 [ 611.834787] mapped:30 shmem:48 pagetables:365 bounce:0 [ 611.834787] free:5947 free_pcp:116 free_cma:0 [ 611.834800] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 611.834818] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 611.834843] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 611.834897] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 611.834938] 0 pages in swap cache [ 611.834943] Swap cache stats: add 0, delete 0, find 0/0 [ 611.834945] Free swap = 0kB [ 611.834947] Total swap = 0kB [ 611.834949] 1965979 pages RAM [ 611.834951] 0 pages HighMem/MovableOnly [ 611.834953] 313617 pages reserved [ 612.104863] syz-executor.3: page allocation stalls for 30010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 612.104874] CPU: 0 PID: 2179 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 612.104891] ffff8801c9c5f7c0 ffffffff81b42e79 1ffff1003938befa ffff8801caefc740 [ 612.104901] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9c5f908 [ 612.104912] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 612.104914] Call Trace: [ 612.104933] [] dump_stack+0xc1/0x128 [ 612.104945] [] warn_alloc.cold.31+0x7f/0x9c [ 612.104955] [] ? zone_watermark_ok_safe+0x250/0x250 [ 612.104964] [] ? shrink_node+0x740/0x740 [ 612.104972] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 612.104981] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 612.104990] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 612.105000] [] ? check_preemption_disabled+0x3b/0x200 [ 612.105007] [] ? find_get_entry+0x11a/0x570 [ 612.105014] [] ? find_get_entry+0x141/0x570 [ 612.105021] [] ? page_cache_prev_hole+0x80/0x80 [ 612.105029] [] ? pagecache_get_page+0x131/0x710 [ 612.105036] [] filemap_fault+0xaf1/0x1110 [ 612.105046] [] ext4_filemap_fault+0x71/0xa0 [ 612.105053] [] __do_fault+0x223/0x500 [ 612.105060] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 612.105067] [] ? handle_mm_fault+0x1d4f/0x2350 [ 612.105074] [] handle_mm_fault+0x1326/0x2350 [ 612.105082] [] ? vm_insert_page+0x6f0/0x6f0 [ 612.105088] [] ? __might_fault+0x92/0x1d0 [ 612.105100] [] __do_page_fault+0x403/0xa60 [ 612.105111] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 612.105119] [] ? bad_area_access_error+0x3a0/0x3a0 [ 612.105129] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 612.105136] [] do_page_fault+0x27/0x30 [ 612.105144] [] page_fault+0x25/0x30 [ 612.105148] Mem-Info: [ 612.105166] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 612.105166] active_file:29 inactive_file:42 isolated_file:0 [ 612.105166] unevictable:0 dirty:0 writeback:0 unstable:0 [ 612.105166] slab_reclaimable:4571 slab_unreclaimable:56993 [ 612.105166] mapped:30 shmem:48 pagetables:365 bounce:0 [ 612.105166] free:5947 free_pcp:116 free_cma:0 [ 612.105179] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 612.105198] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 612.105225] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 612.105287] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 612.105330] 0 pages in swap cache [ 612.105334] Swap cache stats: add 0, delete 0, find 0/0 [ 612.105336] Free swap = 0kB [ 612.105339] Total swap = 0kB [ 612.105341] 1965979 pages RAM [ 612.105343] 0 pages HighMem/MovableOnly [ 612.105345] 313617 pages reserved [ 612.508953] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 612.508953] to free 108kB on behalf of 'syz-executor.0' (2182) because [ 612.508953] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 612.508953] Free memory is -13716kB above reserved [ 612.508970] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 612.508970] to free 108kB on behalf of 'syz-executor.4' (2337) because [ 612.508970] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 612.508970] Free memory is -13716kB above reserved [ 613.518969] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 613.518969] to free 108kB on behalf of 'syz-executor.0' (2182) because [ 613.518969] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 613.518969] Free memory is -13716kB above reserved [ 613.518980] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 613.518980] to free 108kB on behalf of 'blkid' (2361) because [ 613.518980] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 613.518980] Free memory is -13716kB above reserved [ 614.528989] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 614.528989] to free 108kB on behalf of 'syz-executor.4' (2337) because [ 614.528989] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 614.528989] Free memory is -13716kB above reserved [ 615.538991] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 615.538991] to free 108kB on behalf of 'cron' (1940) because [ 615.538991] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 615.538991] Free memory is -13716kB above reserved [ 615.539003] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 615.539003] to free 108kB on behalf of 'syz-executor.3' (2358) because [ 615.539003] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 615.539003] Free memory is -13716kB above reserved [ 616.549032] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 616.549032] to free 108kB on behalf of 'syz-executor.3' (2179) because [ 616.549032] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 616.549032] Free memory is -13716kB above reserved [ 617.558972] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 617.558972] to free 108kB on behalf of 'init' (1) because [ 617.558972] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 617.558972] Free memory is -13716kB above reserved [ 618.568981] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 618.568981] to free 108kB on behalf of 'kworker/1:1' (22) because [ 618.568981] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 618.568981] Free memory is -13716kB above reserved [ 618.568992] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 618.568992] to free 108kB on behalf of 'syz-executor.3' (2359) because [ 618.568992] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 618.568992] Free memory is -13716kB above reserved [ 619.345553] warn_alloc: 2 callbacks suppressed [ 619.345571] syz-executor.0: page allocation stalls for 40020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 619.345580] CPU: 1 PID: 2182 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 619.345596] ffff8801c9e677c0 ffffffff81b42e79 1ffff100393ccefa ffff8801c9c8af80 [ 619.345606] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9e67908 [ 619.345616] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 619.345618] Call Trace: [ 619.345636] [] dump_stack+0xc1/0x128 [ 619.345648] [] warn_alloc.cold.31+0x7f/0x9c [ 619.345659] [] ? zone_watermark_ok_safe+0x250/0x250 [ 619.345669] [] ? shrink_node+0x740/0x740 [ 619.345677] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 619.345687] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 619.345695] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 619.345706] [] ? check_preemption_disabled+0x3b/0x200 [ 619.345713] [] ? find_get_entry+0x11a/0x570 [ 619.345721] [] ? find_get_entry+0x141/0x570 [ 619.345728] [] ? page_cache_prev_hole+0x80/0x80 [ 619.345735] [] ? pagecache_get_page+0x131/0x710 [ 619.345743] [] filemap_fault+0xaf1/0x1110 [ 619.345752] [] ext4_filemap_fault+0x71/0xa0 [ 619.345760] [] __do_fault+0x223/0x500 [ 619.345767] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 619.345774] [] ? generic_file_readonly_mmap+0x190/0x190 [ 619.345781] [] handle_mm_fault+0x1326/0x2350 [ 619.345788] [] ? vm_insert_page+0x6f0/0x6f0 [ 619.345795] [] ? __might_fault+0x92/0x1d0 [ 619.345805] [] __do_page_fault+0x403/0xa60 [ 619.345815] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 619.345823] [] ? bad_area_access_error+0x3a0/0x3a0 [ 619.345832] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 619.345840] [] do_page_fault+0x27/0x30 [ 619.345849] [] page_fault+0x25/0x30 [ 619.345852] Mem-Info: [ 619.345869] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 619.345869] active_file:29 inactive_file:42 isolated_file:0 [ 619.345869] unevictable:0 dirty:0 writeback:0 unstable:0 [ 619.345869] slab_reclaimable:4571 slab_unreclaimable:56993 [ 619.345869] mapped:30 shmem:48 pagetables:365 bounce:0 [ 619.345869] free:5947 free_pcp:116 free_cma:0 [ 619.345882] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 619.345902] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 619.345935] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 619.345992] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 619.346036] 0 pages in swap cache [ 619.346040] Swap cache stats: add 0, delete 0, find 0/0 [ 619.346042] Free swap = 0kB [ 619.346044] Total swap = 0kB [ 619.346047] 1965979 pages RAM [ 619.346049] 0 pages HighMem/MovableOnly [ 619.346051] 313617 pages reserved [ 619.357846] blkid: page allocation stalls for 40020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 619.357854] CPU: 0 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 619.357869] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 619.357879] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 619.357888] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 619.357890] Call Trace: [ 619.357903] [] dump_stack+0xc1/0x128 [ 619.357911] [] warn_alloc.cold.31+0x7f/0x9c [ 619.357920] [] ? zone_watermark_ok_safe+0x250/0x250 [ 619.357928] [] ? shrink_node+0x740/0x740 [ 619.357937] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 619.357945] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 619.357954] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 619.357963] [] ? check_preemption_disabled+0x3b/0x200 [ 619.357971] [] ? find_get_entry+0x11a/0x570 [ 619.357978] [] ? find_get_entry+0x141/0x570 [ 619.357985] [] ? page_cache_prev_hole+0x80/0x80 [ 619.357994] [] ? autoremove_wake_function+0x40/0x40 [ 619.358001] [] ? pagecache_get_page+0x131/0x710 [ 619.358009] [] filemap_fault+0xaf1/0x1110 [ 619.358018] [] ext4_filemap_fault+0x71/0xa0 [ 619.358024] [] __do_fault+0x223/0x500 [ 619.358031] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 619.358038] [] ? handle_mm_fault+0x1d4f/0x2350 [ 619.358046] [] handle_mm_fault+0x1326/0x2350 [ 619.358053] [] ? vm_insert_page+0x6f0/0x6f0 [ 619.358060] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 619.358069] [] ? kmem_cache_free+0x28f/0x310 [ 619.358076] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 619.358084] [] __do_page_fault+0x403/0xa60 [ 619.358092] [] ? bad_area_access_error+0x3a0/0x3a0 [ 619.358101] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 619.358108] [] do_page_fault+0x27/0x30 [ 619.358115] [] page_fault+0x25/0x30 [ 619.358118] Mem-Info: [ 619.358134] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 619.358134] active_file:29 inactive_file:42 isolated_file:0 [ 619.358134] unevictable:0 dirty:0 writeback:0 unstable:0 [ 619.358134] slab_reclaimable:4571 slab_unreclaimable:56993 [ 619.358134] mapped:30 shmem:48 pagetables:365 bounce:0 [ 619.358134] free:5947 free_pcp:116 free_cma:0 [ 619.358148] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 619.358165] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 619.358192] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 619.358247] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 619.358290] 0 pages in swap cache [ 619.358293] Swap cache stats: add 0, delete 0, find 0/0 [ 619.358295] Free swap = 0kB [ 619.358297] Total swap = 0kB [ 619.358300] 1965979 pages RAM [ 619.358302] 0 pages HighMem/MovableOnly [ 619.358304] 313617 pages reserved [ 619.384081] blkid: page allocation stalls for 40030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 619.384091] CPU: 0 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 619.384106] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 619.384115] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 619.384124] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 619.384126] Call Trace: [ 619.384145] [] dump_stack+0xc1/0x128 [ 619.384157] [] warn_alloc.cold.31+0x7f/0x9c [ 619.384167] [] ? zone_watermark_ok_safe+0x250/0x250 [ 619.384176] [] ? shrink_node+0x740/0x740 [ 619.384184] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 619.384194] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 619.384202] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 619.384212] [] ? check_preemption_disabled+0x3b/0x200 [ 619.384219] [] ? find_get_entry+0x11a/0x570 [ 619.384226] [] ? find_get_entry+0x141/0x570 [ 619.384232] [] ? page_cache_prev_hole+0x80/0x80 [ 619.384241] [] ? autoremove_wake_function+0x40/0x40 [ 619.384247] [] ? pagecache_get_page+0x131/0x710 [ 619.384254] [] filemap_fault+0xaf1/0x1110 [ 619.384263] [] ext4_filemap_fault+0x71/0xa0 [ 619.384269] [] __do_fault+0x223/0x500 [ 619.384276] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 619.384282] [] ? handle_mm_fault+0x1d4f/0x2350 [ 619.384289] [] handle_mm_fault+0x1326/0x2350 [ 619.384296] [] ? vm_insert_page+0x6f0/0x6f0 [ 619.384302] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 619.384311] [] __do_page_fault+0x403/0xa60 [ 619.384318] [] ? bad_area_access_error+0x3a0/0x3a0 [ 619.384327] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 619.384333] [] do_page_fault+0x27/0x30 [ 619.384341] [] page_fault+0x25/0x30 [ 619.384345] Mem-Info: [ 619.384361] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 619.384361] active_file:29 inactive_file:42 isolated_file:0 [ 619.384361] unevictable:0 dirty:0 writeback:0 unstable:0 [ 619.384361] slab_reclaimable:4571 slab_unreclaimable:56993 [ 619.384361] mapped:30 shmem:48 pagetables:365 bounce:0 [ 619.384361] free:5947 free_pcp:116 free_cma:0 [ 619.384373] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 619.384391] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 619.384415] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 619.384463] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 619.384502] 0 pages in swap cache [ 619.384506] Swap cache stats: add 0, delete 0, find 0/0 [ 619.384508] Free swap = 0kB [ 619.384510] Total swap = 0kB [ 619.384512] 1965979 pages RAM [ 619.384514] 0 pages HighMem/MovableOnly [ 619.384515] 313617 pages reserved [ 619.578977] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 619.578977] to free 108kB on behalf of 'syz-executor.0' (2362) because [ 619.578977] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 619.578977] Free memory is -13716kB above reserved [ 619.933944] syz-executor.3: page allocation stalls for 40030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 619.933956] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 619.933973] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 619.933983] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 619.933993] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 619.933995] Call Trace: [ 619.934015] [] dump_stack+0xc1/0x128 [ 619.934027] [] warn_alloc.cold.31+0x7f/0x9c [ 619.934037] [] ? zone_watermark_ok_safe+0x250/0x250 [ 619.934047] [] ? shrink_node+0x740/0x740 [ 619.934055] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 619.934064] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 619.934073] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 619.934084] [] ? check_preemption_disabled+0x3b/0x200 [ 619.934091] [] ? find_get_entry+0x11a/0x570 [ 619.934099] [] ? find_get_entry+0x141/0x570 [ 619.934106] [] ? page_cache_prev_hole+0x80/0x80 [ 619.934113] [] ? pagecache_get_page+0x131/0x710 [ 619.934120] [] filemap_fault+0xaf1/0x1110 [ 619.934130] [] ext4_filemap_fault+0x71/0xa0 [ 619.934137] [] __do_fault+0x223/0x500 [ 619.934144] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 619.934151] [] ? handle_mm_fault+0x1d4f/0x2350 [ 619.934159] [] handle_mm_fault+0x1326/0x2350 [ 619.934166] [] ? vm_insert_page+0x6f0/0x6f0 [ 619.934173] [] ? __might_fault+0x92/0x1d0 [ 619.934182] [] __do_page_fault+0x403/0xa60 [ 619.934192] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 619.934200] [] ? bad_area_access_error+0x3a0/0x3a0 [ 619.934211] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 619.934218] [] do_page_fault+0x27/0x30 [ 619.934229] [] page_fault+0x25/0x30 [ 619.934232] Mem-Info: [ 619.934250] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 619.934250] active_file:29 inactive_file:42 isolated_file:0 [ 619.934250] unevictable:0 dirty:0 writeback:0 unstable:0 [ 619.934250] slab_reclaimable:4571 slab_unreclaimable:56993 [ 619.934250] mapped:30 shmem:48 pagetables:365 bounce:0 [ 619.934250] free:5947 free_pcp:116 free_cma:0 [ 619.934263] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 619.934283] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 619.934309] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 619.934366] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 619.934411] 0 pages in swap cache [ 619.934415] Swap cache stats: add 0, delete 0, find 0/0 [ 619.934417] Free swap = 0kB [ 619.934419] Total swap = 0kB [ 619.934421] 1965979 pages RAM [ 619.934423] 0 pages HighMem/MovableOnly [ 619.934426] 313617 pages reserved [ 619.954851] syz-executor.0: page allocation stalls for 40010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 619.954860] CPU: 0 PID: 2362 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 619.954876] ffff88000cbd77c0 ffffffff81b42e79 1ffff1000197aefa ffff8801c75c4740 [ 619.954886] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000cbd7908 [ 619.954896] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 619.954898] Call Trace: [ 619.954914] [] dump_stack+0xc1/0x128 [ 619.954923] [] warn_alloc.cold.31+0x7f/0x9c [ 619.954933] [] ? zone_watermark_ok_safe+0x250/0x250 [ 619.954941] [] ? shrink_node+0x740/0x740 [ 619.954950] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 619.954959] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 619.954968] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 619.954978] [] ? check_preemption_disabled+0x3b/0x200 [ 619.954986] [] ? find_get_entry+0x11a/0x570 [ 619.954993] [] ? find_get_entry+0x141/0x570 [ 619.955000] [] ? page_cache_prev_hole+0x80/0x80 [ 619.955007] [] ? pagecache_get_page+0x131/0x710 [ 619.955015] [] filemap_fault+0xaf1/0x1110 [ 619.955024] [] ext4_filemap_fault+0x71/0xa0 [ 619.955031] [] __do_fault+0x223/0x500 [ 619.955037] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 619.955045] [] ? handle_mm_fault+0x1d4f/0x2350 [ 619.955052] [] handle_mm_fault+0x1326/0x2350 [ 619.955059] [] ? vm_insert_page+0x6f0/0x6f0 [ 619.955066] [] ? __might_fault+0x92/0x1d0 [ 619.955075] [] __do_page_fault+0x403/0xa60 [ 619.955085] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 619.955092] [] ? bad_area_access_error+0x3a0/0x3a0 [ 619.955102] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 619.955109] [] do_page_fault+0x27/0x30 [ 619.955118] [] page_fault+0x25/0x30 [ 619.955121] Mem-Info: [ 619.955138] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 619.955138] active_file:29 inactive_file:42 isolated_file:0 [ 619.955138] unevictable:0 dirty:0 writeback:0 unstable:0 [ 619.955138] slab_reclaimable:4571 slab_unreclaimable:56993 [ 619.955138] mapped:30 shmem:48 pagetables:365 bounce:0 [ 619.955138] free:5947 free_pcp:116 free_cma:0 [ 619.955151] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 619.955169] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 619.955197] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 619.955252] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 619.955296] 0 pages in swap cache [ 619.955301] Swap cache stats: add 0, delete 0, find 0/0 [ 619.955303] Free swap = 0kB [ 619.955305] Total swap = 0kB [ 619.955307] 1965979 pages RAM [ 619.955309] 0 pages HighMem/MovableOnly [ 619.955311] 313617 pages reserved [ 619.958294] syz-execprog: page allocation stalls for 40020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 619.958301] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 619.958313] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 619.958323] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 619.958333] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 619.958335] Call Trace: [ 619.958344] [] dump_stack+0xc1/0x128 [ 619.958352] [] warn_alloc.cold.31+0x7f/0x9c [ 619.958360] [] ? zone_watermark_ok_safe+0x250/0x250 [ 619.958368] [] ? shrink_node+0x740/0x740 [ 619.958377] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 619.958384] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 619.958393] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 619.958401] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 619.958408] [] ? find_get_entry+0x11a/0x570 [ 619.958415] [] ? find_get_entry+0x141/0x570 [ 619.958422] [] ? page_cache_prev_hole+0x80/0x80 [ 619.958432] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 619.958440] [] ? pagecache_get_page+0x131/0x710 [ 619.958447] [] filemap_fault+0xaf1/0x1110 [ 619.958455] [] ext4_filemap_fault+0x71/0xa0 [ 619.958462] [] __do_fault+0x223/0x500 [ 619.958468] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 619.958476] [] ? generic_file_readonly_mmap+0x190/0x190 [ 619.958483] [] handle_mm_fault+0x1326/0x2350 [ 619.958490] [] ? vm_insert_page+0x6f0/0x6f0 [ 619.958501] [] ? kvm_clock_read+0x23/0x40 [ 619.958509] [] ? kvm_clock_get_cycles+0x9/0x10 [ 619.958517] [] __do_page_fault+0x403/0xa60 [ 619.958524] [] ? bad_area_access_error+0x3a0/0x3a0 [ 619.958533] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 619.958539] [] do_page_fault+0x27/0x30 [ 619.958546] [] page_fault+0x25/0x30 [ 619.958549] Mem-Info: [ 619.958564] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 619.958564] active_file:29 inactive_file:42 isolated_file:0 [ 619.958564] unevictable:0 dirty:0 writeback:0 unstable:0 [ 619.958564] slab_reclaimable:4571 slab_unreclaimable:56993 [ 619.958564] mapped:30 shmem:48 pagetables:365 bounce:0 [ 619.958564] free:5947 free_pcp:116 free_cma:0 [ 619.958577] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 619.958595] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 619.958621] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 619.958675] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 619.958718] 0 pages in swap cache [ 619.958722] Swap cache stats: add 0, delete 0, find 0/0 [ 619.958724] Free swap = 0kB [ 619.958726] Total swap = 0kB [ 619.958728] 1965979 pages RAM [ 619.958735] 0 pages HighMem/MovableOnly [ 619.958738] 313617 pages reserved [ 620.588982] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 620.588982] to free 108kB on behalf of 'syz-executor.5' (2328) because [ 620.588982] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 620.588982] Free memory is -13716kB above reserved [ 621.598985] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 621.598985] to free 108kB on behalf of 'syz-executor.3' (2358) because [ 621.598985] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 621.598985] Free memory is -13716kB above reserved [ 621.811366] kworker/1:2: page allocation stalls for 40050ms, order:0, mode:0x26040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK) [ 621.811376] CPU: 1 PID: 2183 Comm: kworker/1:2 Not tainted 4.9.141+ #23 [ 621.811396] Workqueue: events rht_deferred_worker [ 621.811409] ffff8801c998f5d8 ffffffff81b42e79 1ffff10039331ebd ffff8801caefdf00 [ 621.811420] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c998f720 [ 621.811430] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 621.811432] Call Trace: [ 621.811447] [] dump_stack+0xc1/0x128 [ 621.811458] [] warn_alloc.cold.31+0x7f/0x9c [ 621.811469] [] ? zone_watermark_ok_safe+0x250/0x250 [ 621.811479] [] ? shrink_node+0x740/0x740 [ 621.811488] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 621.811497] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 621.811506] [] ? depot_save_stack+0x11c/0x470 [ 621.811514] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 621.811525] [] ? save_stack_trace+0x16/0x20 [ 621.811534] [] ? process_one_work+0x831/0x15f0 [ 621.811540] [] ? worker_thread+0xd6/0x1140 [ 621.811549] [] ? kthread+0x26d/0x300 [ 621.811558] [] ? new_slab+0x303/0x3d0 [ 621.811566] [] new_slab+0x367/0x3d0 [ 621.811575] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 621.811581] [] ? bucket_table_alloc+0x134/0x400 [ 621.811590] [] ? check_preemption_disabled+0x3b/0x200 [ 621.811597] [] ? bucket_table_alloc+0x134/0x400 [ 621.811605] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 621.811613] [] __kmalloc+0x26e/0x310 [ 621.811619] [] ? bucket_table_alloc+0x134/0x400 [ 621.811626] [] bucket_table_alloc+0x134/0x400 [ 621.811633] [] rht_deferred_worker+0x14ae/0x1a50 [ 621.811641] [] ? debug_object_deactivate+0x214/0x340 [ 621.811648] [] ? check_preemption_disabled+0x3b/0x200 [ 621.811656] [] process_one_work+0x831/0x15f0 [ 621.811663] [] ? process_one_work+0x774/0x15f0 [ 621.811670] [] ? cancel_delayed_work_sync+0x20/0x20 [ 621.811677] [] worker_thread+0xd6/0x1140 [ 621.811686] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 621.811694] [] kthread+0x26d/0x300 [ 621.811700] [] ? process_one_work+0x15f0/0x15f0 [ 621.811707] [] ? kthread_park+0xa0/0xa0 [ 621.811715] [] ? __switch_to_asm+0x34/0x70 [ 621.811722] [] ? kthread_park+0xa0/0xa0 [ 621.811729] [] ? kthread_park+0xa0/0xa0 [ 621.811736] [] ret_from_fork+0x5c/0x70 [ 621.811740] Mem-Info: [ 621.811757] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 621.811757] active_file:29 inactive_file:42 isolated_file:0 [ 621.811757] unevictable:0 dirty:0 writeback:0 unstable:0 [ 621.811757] slab_reclaimable:4571 slab_unreclaimable:56993 [ 621.811757] mapped:30 shmem:48 pagetables:365 bounce:0 [ 621.811757] free:5947 free_pcp:116 free_cma:0 [ 621.811770] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 621.811788] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 621.811813] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 621.811871] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 621.811916] 0 pages in swap cache [ 621.811920] Swap cache stats: add 0, delete 0, find 0/0 [ 621.811922] Free swap = 0kB [ 621.811924] Total swap = 0kB [ 621.811927] 1965979 pages RAM [ 621.811929] 0 pages HighMem/MovableOnly [ 621.811931] 313617 pages reserved [ 621.820929] kworker/1:1: page allocation stalls for 40050ms, order:0, mode:0x26040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK) [ 621.820937] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 4.9.141+ #23 [ 621.820947] Workqueue: events rht_deferred_worker [ 621.820959] ffff8801d9c2f5d8 ffffffff81b42e79 1ffff1003b385ebd ffff8801d9c20000 [ 621.820969] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d9c2f720 [ 621.820989] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 621.820991] Call Trace: [ 621.821000] [] dump_stack+0xc1/0x128 [ 621.821008] [] warn_alloc.cold.31+0x7f/0x9c [ 621.821016] [] ? zone_watermark_ok_safe+0x250/0x250 [ 621.821024] [] ? shrink_node+0x740/0x740 [ 621.821033] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 621.821042] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 621.821050] [] ? depot_save_stack+0x11c/0x470 [ 621.821058] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 621.821066] [] ? save_stack_trace+0x16/0x20 [ 621.821073] [] ? process_one_work+0x831/0x15f0 [ 621.821079] [] ? worker_thread+0xd6/0x1140 [ 621.821086] [] ? kthread+0x26d/0x300 [ 621.821094] [] ? new_slab+0x303/0x3d0 [ 621.821106] [] new_slab+0x367/0x3d0 [ 621.821114] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 621.821121] [] ? bucket_table_alloc+0x134/0x400 [ 621.821129] [] ? check_preemption_disabled+0x3b/0x200 [ 621.821136] [] ? bucket_table_alloc+0x134/0x400 [ 621.821145] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 621.821152] [] __kmalloc+0x26e/0x310 [ 621.821159] [] ? bucket_table_alloc+0x134/0x400 [ 621.821165] [] bucket_table_alloc+0x134/0x400 [ 621.821173] [] rht_deferred_worker+0x14ae/0x1a50 [ 621.821185] [] ? debug_object_deactivate+0x214/0x340 [ 621.821193] [] ? check_preemption_disabled+0x3b/0x200 [ 621.821200] [] process_one_work+0x831/0x15f0 [ 621.821207] [] ? process_one_work+0x774/0x15f0 [ 621.821214] [] ? cancel_delayed_work_sync+0x20/0x20 [ 621.821221] [] worker_thread+0xd6/0x1140 [ 621.821228] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 621.821236] [] kthread+0x26d/0x300 [ 621.821243] [] ? process_one_work+0x15f0/0x15f0 [ 621.821250] [] ? kthread_park+0xa0/0xa0 [ 621.821258] [] ? __switch_to_asm+0x34/0x70 [ 621.821265] [] ? kthread_park+0xa0/0xa0 [ 621.821272] [] ? kthread_park+0xa0/0xa0 [ 621.821278] [] ret_from_fork+0x5c/0x70 [ 621.821281] Mem-Info: [ 621.821297] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 621.821297] active_file:29 inactive_file:42 isolated_file:0 [ 621.821297] unevictable:0 dirty:0 writeback:0 unstable:0 [ 621.821297] slab_reclaimable:4571 slab_unreclaimable:56993 [ 621.821297] mapped:30 shmem:48 pagetables:365 bounce:0 [ 621.821297] free:5947 free_pcp:116 free_cma:0 [ 621.821310] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 621.821329] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 621.821355] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 621.821412] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 621.821456] 0 pages in swap cache [ 621.821459] Swap cache stats: add 0, delete 0, find 0/0 [ 621.821462] Free swap = 0kB [ 621.821464] Total swap = 0kB [ 621.821466] 1965979 pages RAM [ 621.821468] 0 pages HighMem/MovableOnly [ 621.821470] 313617 pages reserved [ 621.850386] kthreadd: page allocation stalls for 40030ms, order:3, mode:0x27080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK) [ 621.850394] CPU: 0 PID: 2 Comm: kthreadd Not tainted 4.9.141+ #23 [ 621.850409] ffff8801da62f848 ffffffff81b42e79 1ffff1003b4c5f0b ffff8801da5f97c0 [ 621.850418] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801da62f990 [ 621.850427] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 621.850428] Call Trace: [ 621.850442] [] dump_stack+0xc1/0x128 [ 621.850452] [] warn_alloc.cold.31+0x7f/0x9c [ 621.850461] [] ? zone_watermark_ok_safe+0x250/0x250 [ 621.850472] [] ? try_to_compact_pages+0x41/0x710 [ 621.850480] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 621.850489] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 621.850500] [] ? avc_has_perm_noaudit+0x2f0/0x2f0 [ 621.850510] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 621.850517] [] ? kmem_cache_alloc+0x246/0x2b0 [ 621.850526] [] copy_process.part.8+0x280/0x6a10 [ 621.850535] [] ? kthread_park+0xa0/0xa0 [ 621.850542] [] ? __cleanup_sighand+0x40/0x40 [ 621.850550] [] ? trace_hardirqs_on+0x10/0x10 [ 621.850556] [] _do_fork+0x1b2/0xd30 [ 621.850563] [] ? kthread_park+0xa0/0xa0 [ 621.850570] [] ? fork_idle+0x270/0x270 [ 621.850576] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 621.850582] [] ? kthreadd+0x1cc/0x420 [ 621.850589] [] ? kthreadd+0x293/0x420 [ 621.850595] [] ? kthread_park+0xa0/0xa0 [ 621.850607] [] kernel_thread+0x34/0x40 [ 621.850613] [] kthreadd+0x2a7/0x420 [ 621.850621] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 621.850629] [] ? finish_task_switch+0x1e9/0x640 [ 621.850636] [] ? __switch_to_asm+0x34/0x70 [ 621.850642] [] ? __switch_to_asm+0x40/0x70 [ 621.850648] [] ? __switch_to_asm+0x34/0x70 [ 621.850655] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 621.850663] [] ? kthread_create_worker_on_cpu+0xe0/0xe0 [ 621.850669] [] ret_from_fork+0x5c/0x70 [ 621.850672] Mem-Info: [ 621.850687] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 621.850687] active_file:29 inactive_file:42 isolated_file:0 [ 621.850687] unevictable:0 dirty:0 writeback:0 unstable:0 [ 621.850687] slab_reclaimable:4571 slab_unreclaimable:56993 [ 621.850687] mapped:30 shmem:48 pagetables:365 bounce:0 [ 621.850687] free:5947 free_pcp:116 free_cma:0 [ 621.850699] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 621.850716] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 621.850739] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 621.850787] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 621.850824] 0 pages in swap cache [ 621.850828] Swap cache stats: add 0, delete 0, find 0/0 [ 621.850830] Free swap = 0kB [ 621.850831] Total swap = 0kB [ 621.850834] 1965979 pages RAM [ 621.850835] 0 pages HighMem/MovableOnly [ 621.850837] 313617 pages reserved [ 622.130590] syz-executor.3: page allocation stalls for 40040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 622.130600] CPU: 0 PID: 2179 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 622.130617] ffff8801c9c5f7c0 ffffffff81b42e79 1ffff1003938befa ffff8801caefc740 [ 622.130627] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9c5f908 [ 622.130637] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 622.130639] Call Trace: [ 622.130658] [] dump_stack+0xc1/0x128 [ 622.130671] [] warn_alloc.cold.31+0x7f/0x9c [ 622.130682] [] ? zone_watermark_ok_safe+0x250/0x250 [ 622.130692] [] ? shrink_node+0x740/0x740 [ 622.130701] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 622.130711] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 622.130719] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 622.130729] [] ? check_preemption_disabled+0x3b/0x200 [ 622.130737] [] ? find_get_entry+0x11a/0x570 [ 622.130744] [] ? find_get_entry+0x141/0x570 [ 622.130751] [] ? page_cache_prev_hole+0x80/0x80 [ 622.130758] [] ? pagecache_get_page+0x131/0x710 [ 622.130766] [] filemap_fault+0xaf1/0x1110 [ 622.130776] [] ext4_filemap_fault+0x71/0xa0 [ 622.130783] [] __do_fault+0x223/0x500 [ 622.130790] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 622.130797] [] ? handle_mm_fault+0x1d4f/0x2350 [ 622.130804] [] handle_mm_fault+0x1326/0x2350 [ 622.130812] [] ? vm_insert_page+0x6f0/0x6f0 [ 622.130818] [] ? __might_fault+0x92/0x1d0 [ 622.130829] [] __do_page_fault+0x403/0xa60 [ 622.130840] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 622.130848] [] ? bad_area_access_error+0x3a0/0x3a0 [ 622.130858] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 622.130865] [] do_page_fault+0x27/0x30 [ 622.130875] [] page_fault+0x25/0x30 [ 622.130879] Mem-Info: [ 622.130896] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 622.130896] active_file:29 inactive_file:42 isolated_file:0 [ 622.130896] unevictable:0 dirty:0 writeback:0 unstable:0 [ 622.130896] slab_reclaimable:4571 slab_unreclaimable:56993 [ 622.130896] mapped:30 shmem:48 pagetables:365 bounce:0 [ 622.130896] free:5947 free_pcp:116 free_cma:0 [ 622.130910] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 622.130928] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 622.130954] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 622.131012] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 622.131055] 0 pages in swap cache [ 622.131059] Swap cache stats: add 0, delete 0, find 0/0 [ 622.131061] Free swap = 0kB [ 622.131063] Total swap = 0kB [ 622.131065] 1965979 pages RAM [ 622.131068] 0 pages HighMem/MovableOnly ** 9 printk messages dropped ** [ 629.330450] warn_alloc: 2 callbacks suppressed [ 629.330466] syz-executor.0: page allocation stalls for 50010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 629.330475] CPU: 1 PID: 2182 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 629.330492] ffff8801c9e677c0 ffffffff81b42e79 1ffff100393ccefa ffff8801c9c8af80 ** 90 printk messages dropped ** [ 629.349609] 0 pages in swap cache [ 629.349613] Swap cache stats: add 0, delete 0, find 0/0 [ 629.349615] Free swap = 0kB [ 629.349618] Total swap = 0kB [ 629.349620] 1965979 pages RAM [ 629.349622] 0 pages HighMem/MovableOnly [ 629.349624] 313617 pages reserved [ 629.380932] blkid: page allocation stalls for 50030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 629.380941] CPU: 1 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 629.380956] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 629.380965] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 629.380974] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 629.380975] Call Trace: [ 629.380994] [] dump_stack+0xc1/0x128 [ 629.381005] [] warn_alloc.cold.31+0x7f/0x9c [ 629.381026] [] ? zone_watermark_ok_safe+0x250/0x250 [ 629.381035] [] ? shrink_node+0x740/0x740 [ 629.381043] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 629.381052] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 629.381060] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 629.381070] [] ? check_preemption_disabled+0x3b/0x200 [ 629.381077] [] ? find_get_entry+0x11a/0x570 [ 629.381084] [] ? find_get_entry+0x141/0x570 [ 629.381090] [] ? page_cache_prev_hole+0x80/0x80 [ 629.381099] [] ? autoremove_wake_function+0x40/0x40 [ 629.381105] [] ? pagecache_get_page+0x131/0x710 [ 629.381112] [] filemap_fault+0xaf1/0x1110 [ 629.381121] [] ext4_filemap_fault+0x71/0xa0 [ 629.381128] [] __do_fault+0x223/0x500 [ 629.381133] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 629.381140] [] ? handle_mm_fault+0x1d4f/0x2350 [ 629.381147] [] handle_mm_fault+0x1326/0x2350 [ 629.381153] [] ? vm_insert_page+0x6f0/0x6f0 ** 35 printk messages dropped ** [ 629.924786] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 629.924794] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 629.924805] [] ? check_preemption_disabled+0x3b/0x200 ** 3 printk messages dropped ** [ 629.924835] [] ? pagecache_get_page+0x131/0x710 [ 629.924843] [] filemap_fault+0xaf1/0x1110 [ 629.924854] [] ext4_filemap_fault+0x71/0xa0 [ 629.924861] [] __do_fault+0x223/0x500 [ 629.924868] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 629.924875] [] ? handle_mm_fault+0x1d4f/0x2350 [ 629.924883] [] handle_mm_fault+0x1326/0x2350 [ 629.924890] [] ? vm_insert_page+0x6f0/0x6f0 [ 629.924897] [] ? __might_fault+0x92/0x1d0 [ 629.924907] [] __do_page_fault+0x403/0xa60 [ 629.924919] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 629.924926] [] ? bad_area_access_error+0x3a0/0x3a0 [ 629.924937] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 629.924944] [] do_page_fault+0x27/0x30 [ 629.924955] [] page_fault+0x25/0x30 [ 629.924958] Mem-Info: [ 629.924976] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 629.924976] active_file:29 inactive_file:42 isolated_file:0 [ 629.924976] unevictable:0 dirty:0 writeback:0 unstable:0 [ 629.924976] slab_reclaimable:4571 slab_unreclaimable:56993 [ 629.924976] mapped:30 shmem:48 pagetables:365 bounce:0 [ 629.924976] free:5947 free_pcp:116 free_cma:0 [ 629.924989] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 629.925008] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 629.925040] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:236kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 629.925096] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 629.925140] 0 pages in swap cache [ 629.925144] Swap cache stats: add 0, delete 0, find 0/0 [ 629.925146] Free swap = 0kB [ 629.925148] Total swap = 0kB [ 629.925151] 1965979 pages RAM [ 629.925153] 0 pages HighMem/MovableOnly [ 629.925155] 313617 pages reserved [ 629.956786] syz-execprog: page allocation stalls for 50020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 629.956795] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 629.956811] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 629.956820] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 629.956830] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 629.956831] Call Trace: [ 629.956848] [] dump_stack+0xc1/0x128 [ 629.956858] [] warn_alloc.cold.31+0x7f/0x9c [ 629.956868] [] ? zone_watermark_ok_safe+0x250/0x250 [ 629.956880] [] ? shrink_node+0x740/0x740 [ 629.956889] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 629.956897] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 629.956905] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 629.956913] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 629.956920] [] ? find_get_entry+0x11a/0x570 [ 629.956926] [] ? find_get_entry+0x141/0x570 [ 629.956932] [] ? page_cache_prev_hole+0x80/0x80 [ 629.956941] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 629.956948] [] ? pagecache_get_page+0x131/0x710 [ 629.956954] [] filemap_fault+0xaf1/0x1110 [ 629.956963] [] ext4_filemap_fault+0x71/0xa0 [ 629.956970] [] __do_fault+0x223/0x500 [ 629.956976] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 629.956983] [] ? generic_file_readonly_mmap+0x190/0x190 [ 629.956990] [] handle_mm_fault+0x1326/0x2350 [ 629.956996] [] ? vm_insert_page+0x6f0/0x6f0 [ 629.957007] [] ? kvm_clock_read+0x23/0x40 [ 629.957014] [] ? kvm_clock_get_cycles+0x9/0x10 [ 629.957021] [] __do_page_fault+0x403/0xa60 [ 629.957028] [] ? bad_area_access_error+0x3a0/0x3a0 [ 629.957038] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 629.957044] [] do_page_fault+0x27/0x30 [ 629.957053] [] page_fault+0x25/0x30 [ 629.957056] Mem-Info: [ 629.957072] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 629.957072] active_file:29 inactive_file:42 isolated_file:0 [ 629.957072] unevictable:0 dirty:0 writeback:0 unstable:0 [ 629.957072] slab_reclaimable:4571 slab_unreclaimable:56993 [ 629.957072] mapped:30 shmem:48 pagetables:365 bounce:0 [ 629.957072] free:5947 free_pcp:116 free_cma:0 [ 629.957084] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 629.957101] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 629.957126] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 629.957177] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 629.957221] 0 pages in swap cache [ 629.957235] Swap cache stats: add 0, delete 0, find 0/0 [ 629.957238] Free swap = 0kB [ 629.957239] Total swap = 0kB [ 629.957242] 1965979 pages RAM [ 629.957243] 0 pages HighMem/MovableOnly [ 629.957249] 313617 pages reserved [ 629.959909] syz-executor.0: page allocation stalls for 50020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 629.959915] CPU: 1 PID: 2362 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 629.959926] ffff88000cbd77c0 ffffffff81b42e79 1ffff1000197aefa ffff8801c75c4740 [ 629.959936] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000cbd7908 [ 629.959944] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 629.959946] Call Trace: [ 629.959955] [] dump_stack+0xc1/0x128 [ 629.959962] [] warn_alloc.cold.31+0x7f/0x9c [ 629.959970] [] ? zone_watermark_ok_safe+0x250/0x250 [ 629.959977] [] ? shrink_node+0x740/0x740 [ 629.959985] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 629.959992] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 629.960000] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 629.960010] [] ? check_preemption_disabled+0x3b/0x200 [ 629.960017] [] ? find_get_entry+0x11a/0x570 [ 629.960023] [] ? find_get_entry+0x141/0x570 [ 629.960030] [] ? page_cache_prev_hole+0x80/0x80 [ 629.960037] [] ? pagecache_get_page+0x131/0x710 [ 629.960044] [] filemap_fault+0xaf1/0x1110 [ 629.960051] [] ext4_filemap_fault+0x71/0xa0 [ 629.960057] [] __do_fault+0x223/0x500 [ 629.960063] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 629.960070] [] ? handle_mm_fault+0x1d4f/0x2350 [ 629.960077] [] handle_mm_fault+0x1326/0x2350 [ 629.960083] [] ? vm_insert_page+0x6f0/0x6f0 [ 629.960089] [] ? __might_fault+0x92/0x1d0 [ 629.960097] [] __do_page_fault+0x403/0xa60 [ 629.960106] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 629.960113] [] ? bad_area_access_error+0x3a0/0x3a0 [ 629.960120] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 629.960127] [] do_page_fault+0x27/0x30 [ 629.960133] [] page_fault+0x25/0x30 [ 629.960136] Mem-Info: [ 629.960150] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 629.960150] active_file:29 inactive_file:42 isolated_file:0 [ 629.960150] unevictable:0 dirty:0 writeback:0 unstable:0 [ 629.960150] slab_reclaimable:4571 slab_unreclaimable:56993 [ 629.960150] mapped:30 shmem:48 pagetables:365 bounce:0 [ 629.960150] free:5947 free_pcp:116 free_cma:0 [ 629.960162] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 629.960179] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 629.960202] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:344kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 629.960251] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 629.960289] 0 pages in swap cache [ 629.960293] Swap cache stats: add 0, delete 0, find 0/0 [ 629.960295] Free swap = 0kB [ 629.960297] Total swap = 0kB [ 629.960299] 1965979 pages RAM [ 629.960301] 0 pages HighMem/MovableOnly [ 629.960302] 313617 pages reserved [ 630.688987] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 630.688987] to free 108kB on behalf of 'syz-executor.0' (2362) because [ 630.688987] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 630.688987] Free memory is -13716kB above reserved [ 631.699027] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 631.699027] to free 108kB on behalf of 'syz-executor.0' (2182) because [ 631.699027] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 631.699027] Free memory is -13716kB above reserved [ 631.782894] kworker/1:1: page allocation stalls for 50010ms, order:0, mode:0x26040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK) [ 631.782904] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 4.9.141+ #23 [ 631.782925] Workqueue: events rht_deferred_worker [ 631.782938] ffff8801d9c2f5d8 ffffffff81b42e79 1ffff1003b385ebd ffff8801d9c20000 [ 631.782948] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d9c2f720 ** 102 printk messages dropped ** [ 631.786862] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 631.786879] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 631.786905] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:340kB local_pcp:108kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 631.786961] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 25*32kB (ME) 22*64kB (ME) 8*128kB (ME) 5*256kB (ME) 4*512kB (ME) 1*1024kB (U) 1*2048kB (U) 2*4096kB (U) = 18508kB ** 122 printk messages dropped ** [ 639.344859] warn_alloc: 2 callbacks suppressed [ 639.344876] syz-executor.0: page allocation stalls for 60020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 639.344891] CPU: 1 PID: 2182 Comm: syz-executor.0 Not tainted 4.9.141+ #23 ** 46 printk messages dropped ** [ 639.345357] 313617 pages reserved [ 639.350851] blkid: page allocation stalls for 60020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 46 printk messages dropped ** [ 639.351265] Total swap = 0kB [ 639.351268] 1965979 pages RAM [ 639.351269] 0 pages HighMem/MovableOnly [ 639.351271] 313617 pages reserved [ 639.364141] blkid: page allocation stalls for 60010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 639.364149] CPU: 1 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 639.364164] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 639.364174] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 639.364184] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 639.364186] Call Trace: [ 639.364201] [] dump_stack+0xc1/0x128 [ 639.364211] [] warn_alloc.cold.31+0x7f/0x9c [ 639.364220] [] ? zone_watermark_ok_safe+0x250/0x250 [ 639.364229] [] ? shrink_node+0x740/0x740 [ 639.364238] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 639.364246] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 639.364254] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 639.364263] [] ? check_preemption_disabled+0x3b/0x200 [ 639.364271] [] ? find_get_entry+0x11a/0x570 [ 639.364278] [] ? find_get_entry+0x141/0x570 [ 639.364285] [] ? page_cache_prev_hole+0x80/0x80 [ 639.364294] [] ? autoremove_wake_function+0x40/0x40 [ 639.364301] [] ? pagecache_get_page+0x131/0x710 [ 639.364308] [] filemap_fault+0xaf1/0x1110 [ 639.364317] [] ext4_filemap_fault+0x71/0xa0 [ 639.364324] [] __do_fault+0x223/0x500 [ 639.364330] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 639.364338] [] ? handle_mm_fault+0x1d4f/0x2350 [ 639.364345] [] handle_mm_fault+0x1326/0x2350 [ 639.364352] [] ? vm_insert_page+0x6f0/0x6f0 [ 639.364360] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 29 printk messages dropped ** [ 639.941928] Call Trace: [ 639.941947] [] dump_stack+0xc1/0x128 [ 639.941959] [] warn_alloc.cold.31+0x7f/0x9c [ 639.941970] [] ? zone_watermark_ok_safe+0x250/0x250 [ 639.941979] [] ? shrink_node+0x740/0x740 [ 639.941988] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 639.941997] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 639.942006] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 639.942014] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 639.942022] [] ? find_get_entry+0x11a/0x570 [ 639.942029] [] ? find_get_entry+0x141/0x570 [ 639.942036] [] ? page_cache_prev_hole+0x80/0x80 [ 639.942044] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 639.942052] [] ? pagecache_get_page+0x131/0x710 [ 639.942060] [] filemap_fault+0xaf1/0x1110 [ 639.942069] [] ext4_filemap_fault+0x71/0xa0 [ 639.942076] [] __do_fault+0x223/0x500 [ 639.942083] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 639.942091] [] ? generic_file_readonly_mmap+0x190/0x190 [ 639.942098] [] handle_mm_fault+0x1326/0x2350 [ 639.942105] [] ? vm_insert_page+0x6f0/0x6f0 [ 639.942114] [] ? kvm_clock_read+0x23/0x40 [ 639.942121] [] ? kvm_clock_get_cycles+0x9/0x10 [ 639.942129] [] __do_page_fault+0x403/0xa60 [ 639.942137] [] ? bad_area_access_error+0x3a0/0x3a0 [ 639.942147] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 639.942153] [] do_page_fault+0x27/0x30 [ 639.942162] [] page_fault+0x25/0x30 [ 639.942166] Mem-Info: [ 639.942183] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 639.942183] active_file:29 inactive_file:42 isolated_file:0 [ 639.942183] unevictable:0 dirty:0 writeback:0 unstable:0 [ 639.942183] slab_reclaimable:4571 slab_unreclaimable:56993 [ 639.942183] mapped:30 shmem:48 pagetables:365 bounce:0 [ 639.942183] free:5947 free_pcp:113 free_cma:0 [ 639.942197] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 639.942216] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 639.942242] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 639.942298] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 639.942346] 0 pages in swap cache [ 639.942350] Swap cache stats: add 0, delete 0, find 0/0 [ 639.942352] Free swap = 0kB [ 639.942354] Total swap = 0kB [ 639.942357] 1965979 pages RAM [ 639.942359] 0 pages HighMem/MovableOnly [ 639.942361] 313617 pages reserved [ 639.948310] syz-executor.3: page allocation stalls for 60040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 639.948318] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 639.948332] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 639.948347] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 639.948357] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 639.948359] Call Trace: [ 639.948369] [] dump_stack+0xc1/0x128 [ 639.948377] [] warn_alloc.cold.31+0x7f/0x9c [ 639.948385] [] ? zone_watermark_ok_safe+0x250/0x250 [ 639.948393] [] ? shrink_node+0x740/0x740 [ 639.948402] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 639.948410] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 639.948419] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 639.948429] [] ? check_preemption_disabled+0x3b/0x200 [ 639.948436] [] ? find_get_entry+0x11a/0x570 [ 639.948443] [] ? find_get_entry+0x141/0x570 [ 639.948451] [] ? page_cache_prev_hole+0x80/0x80 [ 639.948458] [] ? pagecache_get_page+0x131/0x710 [ 639.948465] [] filemap_fault+0xaf1/0x1110 [ 639.948473] [] ext4_filemap_fault+0x71/0xa0 [ 639.948479] [] __do_fault+0x223/0x500 [ 639.948486] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 639.948494] [] ? handle_mm_fault+0x1d4f/0x2350 [ 639.948501] [] handle_mm_fault+0x1326/0x2350 [ 639.948509] [] ? vm_insert_page+0x6f0/0x6f0 [ 639.948515] [] ? __might_fault+0x92/0x1d0 [ 639.948523] [] __do_page_fault+0x403/0xa60 [ 639.948532] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 639.948540] [] ? bad_area_access_error+0x3a0/0x3a0 [ 639.948548] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 639.948555] [] do_page_fault+0x27/0x30 [ 639.948563] [] page_fault+0x25/0x30 [ 639.948566] Mem-Info: [ 639.948581] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 639.948581] active_file:29 inactive_file:42 isolated_file:0 [ 639.948581] unevictable:0 dirty:0 writeback:0 unstable:0 [ 639.948581] slab_reclaimable:4571 slab_unreclaimable:56993 [ 639.948581] mapped:30 shmem:48 pagetables:365 bounce:0 [ 639.948581] free:5947 free_pcp:113 free_cma:0 [ 639.948594] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 639.948612] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 639.948638] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 639.948690] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 639.948733] 0 pages in swap cache [ 639.948737] Swap cache stats: add 0, delete 0, find 0/0 [ 639.948739] Free swap = 0kB [ 639.948741] Total swap = 0kB [ 639.948743] 1965979 pages RAM [ 639.948745] 0 pages HighMem/MovableOnly [ 639.948747] 313617 pages reserved [ 639.956815] syz-executor.0: page allocation stalls for 60010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 639.956822] CPU: 1 PID: 2362 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 639.956841] ffff88000cbd77c0 ffffffff81b42e79 1ffff1000197aefa ffff8801c75c4740 [ 639.956852] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000cbd7908 [ 639.956862] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 639.956863] Call Trace: [ 639.956873] [] dump_stack+0xc1/0x128 [ 639.956881] [] warn_alloc.cold.31+0x7f/0x9c [ 639.956890] [] ? zone_watermark_ok_safe+0x250/0x250 [ 639.956897] [] ? shrink_node+0x740/0x740 [ 639.956907] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 639.956915] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 639.956923] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 639.956932] [] ? check_preemption_disabled+0x3b/0x200 [ 639.956939] [] ? find_get_entry+0x11a/0x570 [ 639.956947] [] ? find_get_entry+0x141/0x570 [ 639.956954] [] ? page_cache_prev_hole+0x80/0x80 [ 639.956961] [] ? pagecache_get_page+0x131/0x710 [ 639.956969] [] filemap_fault+0xaf1/0x1110 [ 639.956977] [] ext4_filemap_fault+0x71/0xa0 [ 639.956983] [] __do_fault+0x223/0x500 [ 639.956990] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 639.956997] [] ? handle_mm_fault+0x1d4f/0x2350 [ 639.957005] [] handle_mm_fault+0x1326/0x2350 [ 639.957012] [] ? vm_insert_page+0x6f0/0x6f0 [ 639.957019] [] ? __might_fault+0x92/0x1d0 [ 639.957027] [] __do_page_fault+0x403/0xa60 [ 639.957036] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 639.957043] [] ? bad_area_access_error+0x3a0/0x3a0 [ 639.957052] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 639.957059] [] do_page_fault+0x27/0x30 [ 639.957065] [] page_fault+0x25/0x30 [ 639.957069] Mem-Info: [ 639.957084] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 639.957084] active_file:29 inactive_file:42 isolated_file:0 [ 639.957084] unevictable:0 dirty:0 writeback:0 unstable:0 [ 639.957084] slab_reclaimable:4571 slab_unreclaimable:56993 [ 639.957084] mapped:30 shmem:48 pagetables:365 bounce:0 [ 639.957084] free:5947 free_pcp:113 free_cma:0 ** 112 printk messages dropped ** [ 641.802155] [] ? process_one_work+0x774/0x15f0 [ 641.802162] [] ? cancel_delayed_work_sync+0x20/0x20 [ 641.802170] [] worker_thread+0xd6/0x1140 [ 641.802177] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 641.802185] [] kthread+0x26d/0x300 [ 641.802191] [] ? process_one_work+0x15f0/0x15f0 [ 641.802199] [] ? kthread_park+0xa0/0xa0 ** 44 printk messages dropped ** [ 641.878061] [] ? kthreadd+0x1cc/0x420 ** 84 printk messages dropped ** [ 645.838980] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 645.838980] to free 108kB on behalf of 'syz-executor.4' (2337) because [ 645.838980] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 645.838980] Free memory is -13716kB above reserved ** 95 printk messages dropped ** [ 649.354646] lowmem_reserve[]: 0 3505 3505 [ 649.354669] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 649.354725] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 649.354772] 0 pages in swap cache [ 649.354776] Swap cache stats: add 0, delete 0, find 0/0 [ 649.354777] Free swap = 0kB [ 649.354779] Total swap = 0kB [ 649.354781] 1965979 pages RAM [ 649.354783] 0 pages HighMem/MovableOnly [ 649.354785] 313617 pages reserved [ 649.363942] blkid: page allocation stalls for 70030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 649.363950] CPU: 1 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 649.363964] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 649.363974] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 649.363984] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 649.363986] Call Trace: [ 649.363998] [] dump_stack+0xc1/0x128 [ 649.364007] [] warn_alloc.cold.31+0x7f/0x9c [ 649.364016] [] ? zone_watermark_ok_safe+0x250/0x250 ** 35 printk messages dropped ** [ 649.364396] 0 pages in swap cache [ 649.364400] Swap cache stats: add 0, delete 0, find 0/0 [ 649.364402] Free swap = 0kB [ 649.364404] Total swap = 0kB [ 649.364407] 1965979 pages RAM [ 649.364409] 0 pages HighMem/MovableOnly [ 649.364411] 313617 pages reserved ** 3 printk messages dropped ** [ 649.370494] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 649.370504] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 649.370506] Call Trace: [ 649.370515] [] dump_stack+0xc1/0x128 [ 649.370523] [] warn_alloc.cold.31+0x7f/0x9c [ 649.370532] [] ? zone_watermark_ok_safe+0x250/0x250 [ 649.370539] [] ? shrink_node+0x740/0x740 [ 649.370548] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 649.370555] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 649.370564] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 649.370573] [] ? check_preemption_disabled+0x3b/0x200 [ 649.370580] [] ? find_get_entry+0x11a/0x570 [ 649.370587] [] ? find_get_entry+0x141/0x570 [ 649.370594] [] ? page_cache_prev_hole+0x80/0x80 [ 649.370601] [] ? autoremove_wake_function+0x40/0x40 [ 649.370609] [] ? pagecache_get_page+0x131/0x710 [ 649.370616] [] filemap_fault+0xaf1/0x1110 [ 649.370625] [] ext4_filemap_fault+0x71/0xa0 [ 649.370631] [] __do_fault+0x223/0x500 [ 649.370638] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 649.370645] [] ? handle_mm_fault+0x1d4f/0x2350 [ 649.370653] [] handle_mm_fault+0x1326/0x2350 [ 649.370660] [] ? vm_insert_page+0x6f0/0x6f0 [ 649.370668] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 649.370676] [] __do_page_fault+0x403/0xa60 [ 649.370683] [] ? bad_area_access_error+0x3a0/0x3a0 [ 649.370692] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.370699] [] do_page_fault+0x27/0x30 [ 649.370706] [] page_fault+0x25/0x30 [ 649.370709] Mem-Info: [ 649.370725] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 649.370725] active_file:29 inactive_file:42 isolated_file:0 [ 649.370725] unevictable:0 dirty:0 writeback:0 unstable:0 [ 649.370725] slab_reclaimable:4571 slab_unreclaimable:56993 [ 649.370725] mapped:30 shmem:48 pagetables:365 bounce:0 [ 649.370725] free:5947 free_pcp:113 free_cma:0 [ 649.370738] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 649.370756] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 649.370782] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 649.370836] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 649.370878] 0 pages in swap cache [ 649.370882] Swap cache stats: add 0, delete 0, find 0/0 [ 649.370884] Free swap = 0kB [ 649.370886] Total swap = 0kB [ 649.370889] 1965979 pages RAM [ 649.370891] 0 pages HighMem/MovableOnly [ 649.370893] 313617 pages reserved [ 649.879020] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 649.879020] to free 108kB on behalf of 'syz-executor.3' (2359) because [ 649.879020] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 649.879020] Free memory is -13716kB above reserved [ 649.879032] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 649.879032] to free 108kB on behalf of 'syz-executor.0' (2362) because [ 649.879032] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 649.879032] Free memory is -13716kB above reserved [ 649.947871] syz-executor.3: page allocation stalls for 70040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 649.947881] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 649.947897] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 649.947908] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 649.947918] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 649.947919] Call Trace: [ 649.947938] [] dump_stack+0xc1/0x128 [ 649.947950] [] warn_alloc.cold.31+0x7f/0x9c [ 649.947960] [] ? zone_watermark_ok_safe+0x250/0x250 [ 649.947970] [] ? shrink_node+0x740/0x740 [ 649.947979] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 649.947989] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 649.947998] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 649.948008] [] ? check_preemption_disabled+0x3b/0x200 [ 649.948016] [] ? find_get_entry+0x11a/0x570 [ 649.948023] [] ? find_get_entry+0x141/0x570 [ 649.948030] [] ? page_cache_prev_hole+0x80/0x80 [ 649.948037] [] ? pagecache_get_page+0x131/0x710 [ 649.948045] [] filemap_fault+0xaf1/0x1110 [ 649.948054] [] ext4_filemap_fault+0x71/0xa0 [ 649.948062] [] __do_fault+0x223/0x500 [ 649.948068] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 649.948076] [] ? handle_mm_fault+0x1d4f/0x2350 [ 649.948083] [] handle_mm_fault+0x1326/0x2350 [ 649.948090] [] ? vm_insert_page+0x6f0/0x6f0 [ 649.948097] [] ? __might_fault+0x92/0x1d0 [ 649.948107] [] __do_page_fault+0x403/0xa60 [ 649.948116] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 649.948124] [] ? bad_area_access_error+0x3a0/0x3a0 [ 649.948134] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.948141] [] do_page_fault+0x27/0x30 [ 649.948150] [] page_fault+0x25/0x30 [ 649.948154] Mem-Info: [ 649.948172] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 649.948172] active_file:29 inactive_file:42 isolated_file:0 [ 649.948172] unevictable:0 dirty:0 writeback:0 unstable:0 [ 649.948172] slab_reclaimable:4571 slab_unreclaimable:56993 [ 649.948172] mapped:30 shmem:48 pagetables:365 bounce:0 [ 649.948172] free:5947 free_pcp:113 free_cma:0 [ 649.948186] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 649.948205] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 649.948232] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 649.948288] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 649.948331] 0 pages in swap cache [ 649.948335] Swap cache stats: add 0, delete 0, find 0/0 [ 649.948337] Free swap = 0kB [ 649.948339] Total swap = 0kB [ 649.948341] 1965979 pages RAM [ 649.948343] 0 pages HighMem/MovableOnly [ 649.948345] 313617 pages reserved [ 649.960427] syz-execprog: page allocation stalls for 70030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 649.960435] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 649.960450] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 649.960460] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 649.960470] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 649.960472] Call Trace: [ 649.960485] [] dump_stack+0xc1/0x128 [ 649.960494] [] warn_alloc.cold.31+0x7f/0x9c [ 649.960503] [] ? zone_watermark_ok_safe+0x250/0x250 [ 649.960511] [] ? shrink_node+0x740/0x740 [ 649.960520] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 649.960529] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 649.960538] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 649.960546] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 649.960554] [] ? find_get_entry+0x11a/0x570 [ 649.960561] [] ? find_get_entry+0x141/0x570 [ 649.960568] [] ? page_cache_prev_hole+0x80/0x80 [ 649.960577] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 649.960584] [] ? pagecache_get_page+0x131/0x710 [ 649.960592] [] filemap_fault+0xaf1/0x1110 [ 649.960600] [] ext4_filemap_fault+0x71/0xa0 [ 649.960607] [] __do_fault+0x223/0x500 [ 649.960613] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 649.960621] [] ? generic_file_readonly_mmap+0x190/0x190 [ 649.960629] [] handle_mm_fault+0x1326/0x2350 [ 649.960636] [] ? vm_insert_page+0x6f0/0x6f0 [ 649.960650] [] ? kvm_clock_read+0x23/0x40 [ 649.960657] [] ? kvm_clock_get_cycles+0x9/0x10 [ 649.960665] [] __do_page_fault+0x403/0xa60 [ 649.960673] [] ? bad_area_access_error+0x3a0/0x3a0 [ 649.960683] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.960690] [] do_page_fault+0x27/0x30 [ 649.960699] [] page_fault+0x25/0x30 [ 649.960703] Mem-Info: ** 51 printk messages dropped ** [ 649.987209] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 49 printk messages dropped ** [ 650.178488] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 650.178514] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB ** 130 printk messages dropped ** [ 654.928981] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 654.928981] to free 108kB on behalf of 'kthreadd' (2) because [ 654.928981] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 654.928981] Free memory is -13716kB above reserved ** 15 printk messages dropped ** [ 659.156338] [] warn_alloc.cold.31+0x7f/0x9c ** 78 printk messages dropped ** [ 659.353706] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 659.353725] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 659.353751] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 659.353807] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 659.353851] 0 pages in swap cache [ 659.353855] Swap cache stats: add 0, delete 0, find 0/0 [ 659.353857] Free swap = 0kB [ 659.353859] Total swap = 0kB [ 659.353861] 1965979 pages RAM [ 659.353864] 0 pages HighMem/MovableOnly [ 659.353866] 313617 pages reserved [ 659.359961] blkid: page allocation stalls for 80030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 659.359968] CPU: 1 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 659.359982] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 659.359992] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 659.360002] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 659.360003] Call Trace: [ 659.360015] [] dump_stack+0xc1/0x128 ** 33 printk messages dropped ** [ 659.360325] lowmem_reserve[]: 0 0 0 [ 659.360377] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 659.360423] 0 pages in swap cache [ 659.360427] Swap cache stats: add 0, delete 0, find 0/0 [ 659.360429] Free swap = 0kB [ 659.360432] Total swap = 0kB [ 659.360434] 1965979 pages RAM [ 659.360436] 0 pages HighMem/MovableOnly [ 659.360438] 313617 pages reserved [ 659.376267] blkid: page allocation stalls for 80020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 659.376277] CPU: 1 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 659.376294] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 659.376304] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 659.376314] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 659.376315] Call Trace: [ 659.376334] [] dump_stack+0xc1/0x128 [ 659.376346] [] warn_alloc.cold.31+0x7f/0x9c [ 659.376357] [] ? zone_watermark_ok_safe+0x250/0x250 [ 659.376366] [] ? shrink_node+0x740/0x740 [ 659.376376] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 659.376385] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 659.376393] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 659.376404] [] ? check_preemption_disabled+0x3b/0x200 [ 659.376411] [] ? find_get_entry+0x11a/0x570 [ 659.376419] [] ? find_get_entry+0x141/0x570 [ 659.376425] [] ? page_cache_prev_hole+0x80/0x80 [ 659.376434] [] ? autoremove_wake_function+0x40/0x40 [ 659.376442] [] ? pagecache_get_page+0x131/0x710 [ 659.376449] [] filemap_fault+0xaf1/0x1110 [ 659.376459] [] ext4_filemap_fault+0x71/0xa0 [ 659.376466] [] __do_fault+0x223/0x500 [ 659.376473] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 659.376481] [] ? handle_mm_fault+0x1d4f/0x2350 [ 659.376492] [] handle_mm_fault+0x1326/0x2350 [ 659.376500] [] ? vm_insert_page+0x6f0/0x6f0 [ 659.376507] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 659.376518] [] __do_page_fault+0x403/0xa60 [ 659.376525] [] ? bad_area_access_error+0x3a0/0x3a0 [ 659.376536] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 659.376543] [] do_page_fault+0x27/0x30 [ 659.376553] [] page_fault+0x25/0x30 [ 659.376557] Mem-Info: [ 659.376574] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 659.376574] active_file:29 inactive_file:42 isolated_file:0 [ 659.376574] unevictable:0 dirty:0 writeback:0 unstable:0 [ 659.376574] slab_reclaimable:4571 slab_unreclaimable:56993 [ 659.376574] mapped:30 shmem:48 pagetables:365 bounce:0 [ 659.376574] free:5947 free_pcp:113 free_cma:0 [ 659.376587] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 659.376606] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 659.376633] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 659.376689] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 659.376732] 0 pages in swap cache [ 659.376736] Swap cache stats: add 0, delete 0, find 0/0 [ 659.376738] Free swap = 0kB [ 659.376740] Total swap = 0kB [ 659.376742] 1965979 pages RAM [ 659.376745] 0 pages HighMem/MovableOnly [ 659.376747] 313617 pages reserved [ 659.931067] syz-executor.3: page allocation stalls for 80030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 659.931078] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 659.931095] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 659.931105] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 659.931115] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 659.931117] Call Trace: [ 659.931137] [] dump_stack+0xc1/0x128 [ 659.931149] [] warn_alloc.cold.31+0x7f/0x9c [ 659.931160] [] ? zone_watermark_ok_safe+0x250/0x250 [ 659.931169] [] ? shrink_node+0x740/0x740 [ 659.931178] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 659.931187] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 659.931196] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 659.931206] [] ? check_preemption_disabled+0x3b/0x200 [ 659.931213] [] ? find_get_entry+0x11a/0x570 [ 659.931220] [] ? find_get_entry+0x141/0x570 [ 659.931227] [] ? page_cache_prev_hole+0x80/0x80 [ 659.931234] [] ? pagecache_get_page+0x131/0x710 [ 659.931242] [] filemap_fault+0xaf1/0x1110 [ 659.931252] [] ext4_filemap_fault+0x71/0xa0 [ 659.931259] [] __do_fault+0x223/0x500 [ 659.931266] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 659.931273] [] ? handle_mm_fault+0x1d4f/0x2350 [ 659.931281] [] handle_mm_fault+0x1326/0x2350 [ 659.931288] [] ? vm_insert_page+0x6f0/0x6f0 [ 659.931295] [] ? __might_fault+0x92/0x1d0 [ 659.931304] [] __do_page_fault+0x403/0xa60 [ 659.931314] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 659.931321] [] ? bad_area_access_error+0x3a0/0x3a0 [ 659.931331] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 659.931338] [] do_page_fault+0x27/0x30 [ 659.931347] [] page_fault+0x25/0x30 [ 659.931350] Mem-Info: [ 659.931369] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 659.931369] active_file:29 inactive_file:42 isolated_file:0 [ 659.931369] unevictable:0 dirty:0 writeback:0 unstable:0 [ 659.931369] slab_reclaimable:4571 slab_unreclaimable:56993 [ 659.931369] mapped:30 shmem:48 pagetables:365 bounce:0 [ 659.931369] free:5947 free_pcp:113 free_cma:0 [ 659.931382] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 659.931401] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 659.931428] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 659.931483] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 659.931527] 0 pages in swap cache [ 659.931531] Swap cache stats: add 0, delete 0, find 0/0 [ 659.931533] Free swap = 0kB [ 659.931535] Total swap = 0kB [ 659.931537] 1965979 pages RAM [ 659.931540] 0 pages HighMem/MovableOnly [ 659.931542] 313617 pages reserved [ 659.957824] syz-execprog: page allocation stalls for 80020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 659.957833] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 659.957848] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 659.957859] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 659.957868] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 659.957870] Call Trace: [ 659.957884] [] dump_stack+0xc1/0x128 [ 659.957893] [] warn_alloc.cold.31+0x7f/0x9c [ 659.957902] [] ? zone_watermark_ok_safe+0x250/0x250 [ 659.957911] [] ? shrink_node+0x740/0x740 [ 659.957920] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 659.957928] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 659.957937] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 659.957952] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 659.957960] [] ? find_get_entry+0x11a/0x570 [ 659.957967] [] ? find_get_entry+0x141/0x570 ** 69 printk messages dropped ** [ 659.976751] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 48 printk messages dropped ** [ 660.171204] Mem-Info: [ 660.171222] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 660.171222] active_file:29 inactive_file:42 isolated_file:0 [ 660.171222] unevictable:0 dirty:0 writeback:0 unstable:0 [ 660.171222] slab_reclaimable:4571 slab_unreclaimable:56993 [ 660.171222] mapped:30 shmem:48 pagetables:365 bounce:0 [ 660.171222] free:5947 free_pcp:113 free_cma:0 [ 660.171235] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 660.171253] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 660.171280] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB ** 128 printk messages dropped ** [ 665.029024] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 665.029024] to free 108kB on behalf of 'blkid' (2361) because [ 665.029024] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 665.029024] Free memory is -13716kB above reserved ** 91 printk messages dropped ** [ 669.338040] [] page_fault+0x25/0x30 [ 669.338044] Mem-Info: ** 2 printk messages dropped ** [ 669.338094] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 669.338120] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 669.338175] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 669.338219] 0 pages in swap cache [ 669.338223] Swap cache stats: add 0, delete 0, find 0/0 [ 669.338238] Free swap = 0kB [ 669.338241] Total swap = 0kB [ 669.338243] 1965979 pages RAM [ 669.338245] 0 pages HighMem/MovableOnly [ 669.338248] 313617 pages reserved [ 669.342832] blkid: page allocation stalls for 90010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 669.342839] CPU: 0 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 669.342852] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 669.342862] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 669.342872] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 669.342874] Call Trace: [ 669.342885] [] dump_stack+0xc1/0x128 [ 669.342894] [] warn_alloc.cold.31+0x7f/0x9c [ 669.342903] [] ? zone_watermark_ok_safe+0x250/0x250 [ 669.342910] [] ? shrink_node+0x740/0x740 [ 669.342919] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 669.342927] [] ? debug_lockdep_rcu_enabled+0x77/0x90 ** 30 printk messages dropped ** [ 669.343263] Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 669.343267] 0 pages in swap cache [ 669.343271] Swap cache stats: add 0, delete 0, find 0/0 [ 669.343273] Free swap = 0kB [ 669.343275] Total swap = 0kB [ 669.343278] 1965979 pages RAM [ 669.343280] 0 pages HighMem/MovableOnly [ 669.343282] 313617 pages reserved [ 669.359230] blkid: page allocation stalls for 90010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 669.359238] CPU: 1 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 669.359252] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 669.359262] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 669.359273] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 669.359274] Call Trace: [ 669.359287] [] dump_stack+0xc1/0x128 [ 669.359295] [] warn_alloc.cold.31+0x7f/0x9c [ 669.359304] [] ? zone_watermark_ok_safe+0x250/0x250 [ 669.359312] [] ? shrink_node+0x740/0x740 [ 669.359321] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 669.359329] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 669.359338] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 669.359347] [] ? check_preemption_disabled+0x3b/0x200 [ 669.359355] [] ? find_get_entry+0x11a/0x570 [ 669.359362] [] ? find_get_entry+0x141/0x570 [ 669.359369] [] ? page_cache_prev_hole+0x80/0x80 [ 669.359378] [] ? autoremove_wake_function+0x40/0x40 [ 669.359385] [] ? pagecache_get_page+0x131/0x710 [ 669.359393] [] filemap_fault+0xaf1/0x1110 [ 669.359401] [] ext4_filemap_fault+0x71/0xa0 [ 669.359408] [] __do_fault+0x223/0x500 [ 669.359415] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 669.359422] [] ? handle_mm_fault+0x1d4f/0x2350 [ 669.359430] [] handle_mm_fault+0x1326/0x2350 [ 669.359437] [] ? vm_insert_page+0x6f0/0x6f0 [ 669.359444] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 669.359453] [] __do_page_fault+0x403/0xa60 [ 669.359461] [] ? bad_area_access_error+0x3a0/0x3a0 [ 669.359470] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 669.359477] [] do_page_fault+0x27/0x30 [ 669.359484] [] page_fault+0x25/0x30 [ 669.359487] Mem-Info: [ 669.359503] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 669.359503] active_file:29 inactive_file:42 isolated_file:0 [ 669.359503] unevictable:0 dirty:0 writeback:0 unstable:0 [ 669.359503] slab_reclaimable:4571 slab_unreclaimable:56993 [ 669.359503] mapped:30 shmem:48 pagetables:365 bounce:0 [ 669.359503] free:5947 free_pcp:113 free_cma:0 [ 669.359516] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 669.359535] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 669.359562] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 669.359616] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 669.359659] 0 pages in swap cache [ 669.359663] Swap cache stats: add 0, delete 0, find 0/0 [ 669.359665] Free swap = 0kB [ 669.359667] Total swap = 0kB [ 669.359670] 1965979 pages RAM [ 669.359672] 0 pages HighMem/MovableOnly [ 669.359674] 313617 pages reserved [ 669.917012] syz-executor.3: page allocation stalls for 90010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 669.917023] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 669.917041] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 669.917050] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 669.917059] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 669.917061] Call Trace: [ 669.917080] [] dump_stack+0xc1/0x128 [ 669.917093] [] warn_alloc.cold.31+0x7f/0x9c [ 669.917104] [] ? zone_watermark_ok_safe+0x250/0x250 [ 669.917113] [] ? shrink_node+0x740/0x740 [ 669.917122] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 669.917131] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 669.917140] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 669.917150] [] ? check_preemption_disabled+0x3b/0x200 [ 669.917157] [] ? find_get_entry+0x11a/0x570 [ 669.917164] [] ? find_get_entry+0x141/0x570 [ 669.917171] [] ? page_cache_prev_hole+0x80/0x80 [ 669.917179] [] ? pagecache_get_page+0x131/0x710 [ 669.917187] [] filemap_fault+0xaf1/0x1110 [ 669.917196] [] ext4_filemap_fault+0x71/0xa0 [ 669.917204] [] __do_fault+0x223/0x500 [ 669.917211] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 669.917219] [] ? handle_mm_fault+0x1d4f/0x2350 [ 669.917226] [] handle_mm_fault+0x1326/0x2350 [ 669.917233] [] ? vm_insert_page+0x6f0/0x6f0 [ 669.917240] [] ? __might_fault+0x92/0x1d0 [ 669.917257] [] __do_page_fault+0x403/0xa60 [ 669.917269] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 669.917276] [] ? bad_area_access_error+0x3a0/0x3a0 [ 669.917288] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 669.917295] [] do_page_fault+0x27/0x30 [ 669.917305] [] page_fault+0x25/0x30 [ 669.917308] Mem-Info: [ 669.917326] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 669.917326] active_file:29 inactive_file:42 isolated_file:0 [ 669.917326] unevictable:0 dirty:0 writeback:0 unstable:0 [ 669.917326] slab_reclaimable:4571 slab_unreclaimable:56993 [ 669.917326] mapped:30 shmem:48 pagetables:365 bounce:0 [ 669.917326] free:5947 free_pcp:113 free_cma:0 [ 669.917339] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 669.917357] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 669.917384] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 669.917440] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 669.917485] 0 pages in swap cache [ 669.917489] Swap cache stats: add 0, delete 0, find 0/0 [ 669.917491] Free swap = 0kB [ 669.917493] Total swap = 0kB [ 669.917495] 1965979 pages RAM [ 669.917498] 0 pages HighMem/MovableOnly [ 669.917500] 313617 pages reserved [ 669.956020] syz-execprog: page allocation stalls for 90020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 669.956030] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 669.956045] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 669.956055] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 669.956066] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 669.956068] Call Trace: [ 669.956086] [] dump_stack+0xc1/0x128 [ 669.956096] [] warn_alloc.cold.31+0x7f/0x9c [ 669.956107] [] ? zone_watermark_ok_safe+0x250/0x250 [ 669.956116] [] ? shrink_node+0x740/0x740 [ 669.956125] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 669.956134] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 669.956143] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 669.956151] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 669.956159] [] ? find_get_entry+0x11a/0x570 [ 669.956166] [] ? find_get_entry+0x141/0x570 [ 669.956173] [] ? page_cache_prev_hole+0x80/0x80 [ 669.956182] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 669.956189] [] ? pagecache_get_page+0x131/0x710 [ 669.956197] [] filemap_fault+0xaf1/0x1110 [ 669.956206] [] ext4_filemap_fault+0x71/0xa0 [ 669.956213] [] __do_fault+0x223/0x500 [ 669.956220] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 669.956228] [] ? generic_file_readonly_mmap+0x190/0x190 [ 669.956235] [] handle_mm_fault+0x1326/0x2350 [ 669.956242] [] ? vm_insert_page+0x6f0/0x6f0 [ 669.956255] [] ? kvm_clock_read+0x23/0x40 [ 669.956263] [] ? kvm_clock_get_cycles+0x9/0x10 [ 669.956271] [] __do_page_fault+0x403/0xa60 [ 669.956278] [] ? bad_area_access_error+0x3a0/0x3a0 [ 669.956288] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 669.956295] [] do_page_fault+0x27/0x30 [ 669.956305] [] page_fault+0x25/0x30 [ 669.956308] Mem-Info: [ 669.956326] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 669.956326] active_file:29 inactive_file:42 isolated_file:0 [ 669.956326] unevictable:0 dirty:0 writeback:0 unstable:0 [ 669.956326] slab_reclaimable:4571 slab_unreclaimable:56993 [ 669.956326] mapped:30 shmem:48 pagetables:365 bounce:0 [ 669.956326] free:5947 free_pcp:113 free_cma:0 ** 102 printk messages dropped ** [ 670.187666] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 670.187692] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 670.187753] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 670.187797] 0 pages in swap cache [ 670.187801] Swap cache stats: add 0, delete 0, find 0/0 [ 670.187803] Free swap = 0kB [ 670.187805] Total swap = 0kB [ 670.187808] 1965979 pages RAM [ 670.187810] 0 pages HighMem/MovableOnly ** 36 printk messages dropped ** [ 670.204896] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 83 printk messages dropped ** [ 675.129014] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 675.129014] to free 108kB on behalf of 'syz-executor.4' (2337) because [ 675.129014] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 675.129014] Free memory is -13716kB above reserved ** 93 printk messages dropped ** [ 679.335228] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 679.335247] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 679.335273] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 679.335328] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 679.335371] 0 pages in swap cache [ 679.335375] Swap cache stats: add 0, delete 0, find 0/0 [ 679.335378] Free swap = 0kB [ 679.335380] Total swap = 0kB [ 679.335382] 1965979 pages RAM [ 679.335384] 0 pages HighMem/MovableOnly [ 679.335386] 313617 pages reserved [ 679.343617] blkid: page allocation stalls for 100010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 679.343625] CPU: 0 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 679.343639] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 679.343649] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 ** 38 printk messages dropped ** [ 679.344056] Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 679.344061] 0 pages in swap cache [ 679.344065] Swap cache stats: add 0, delete 0, find 0/0 [ 679.344067] Free swap = 0kB [ 679.344069] Total swap = 0kB [ 679.344071] 1965979 pages RAM [ 679.344073] 0 pages HighMem/MovableOnly [ 679.344076] 313617 pages reserved [ 679.386126] blkid: page allocation stalls for 100030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 679.386136] CPU: 1 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 679.386151] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 679.386160] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 679.386169] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 679.386170] Call Trace: [ 679.386190] [] dump_stack+0xc1/0x128 [ 679.386201] [] warn_alloc.cold.31+0x7f/0x9c [ 679.386212] [] ? zone_watermark_ok_safe+0x250/0x250 [ 679.386220] [] ? shrink_node+0x740/0x740 [ 679.386228] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 679.386237] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 679.386245] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 679.386255] [] ? check_preemption_disabled+0x3b/0x200 [ 679.386262] [] ? find_get_entry+0x11a/0x570 [ 679.386268] [] ? find_get_entry+0x141/0x570 [ 679.386275] [] ? page_cache_prev_hole+0x80/0x80 [ 679.386284] [] ? autoremove_wake_function+0x40/0x40 [ 679.386291] [] ? pagecache_get_page+0x131/0x710 [ 679.386299] [] filemap_fault+0xaf1/0x1110 [ 679.386308] [] ext4_filemap_fault+0x71/0xa0 [ 679.386315] [] __do_fault+0x223/0x500 [ 679.386321] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 679.386327] [] ? handle_mm_fault+0x1d4f/0x2350 [ 679.386334] [] handle_mm_fault+0x1326/0x2350 [ 679.386341] [] ? vm_insert_page+0x6f0/0x6f0 [ 679.386347] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 679.386356] [] __do_page_fault+0x403/0xa60 [ 679.386363] [] ? bad_area_access_error+0x3a0/0x3a0 [ 679.386372] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 679.386379] [] do_page_fault+0x27/0x30 [ 679.386388] [] page_fault+0x25/0x30 [ 679.386392] Mem-Info: [ 679.386408] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 679.386408] active_file:29 inactive_file:42 isolated_file:0 [ 679.386408] unevictable:0 dirty:0 writeback:0 unstable:0 [ 679.386408] slab_reclaimable:4571 slab_unreclaimable:56993 [ 679.386408] mapped:30 shmem:48 pagetables:365 bounce:0 [ 679.386408] free:5947 free_pcp:113 free_cma:0 [ 679.386421] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 679.386438] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 679.386462] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 679.386512] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 679.386550] 0 pages in swap cache [ 679.386554] Swap cache stats: add 0, delete 0, find 0/0 [ 679.386556] Free swap = 0kB [ 679.386558] Total swap = 0kB [ 679.386560] 1965979 pages RAM [ 679.386562] 0 pages HighMem/MovableOnly [ 679.386563] 313617 pages reserved [ 679.916055] syz-executor.3: page allocation stalls for 100010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 679.916065] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 679.916082] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 679.916092] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 679.916102] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 679.916104] Call Trace: [ 679.916124] [] dump_stack+0xc1/0x128 [ 679.916135] [] warn_alloc.cold.31+0x7f/0x9c [ 679.916146] [] ? zone_watermark_ok_safe+0x250/0x250 [ 679.916155] [] ? shrink_node+0x740/0x740 [ 679.916164] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 679.916174] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 679.916182] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 679.916193] [] ? check_preemption_disabled+0x3b/0x200 [ 679.916200] [] ? find_get_entry+0x11a/0x570 [ 679.916207] [] ? find_get_entry+0x141/0x570 [ 679.916214] [] ? page_cache_prev_hole+0x80/0x80 [ 679.916222] [] ? pagecache_get_page+0x131/0x710 [ 679.916230] [] filemap_fault+0xaf1/0x1110 [ 679.916239] [] ext4_filemap_fault+0x71/0xa0 [ 679.916246] [] __do_fault+0x223/0x500 [ 679.916253] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 679.916261] [] ? handle_mm_fault+0x1d4f/0x2350 [ 679.916268] [] handle_mm_fault+0x1326/0x2350 [ 679.916275] [] ? vm_insert_page+0x6f0/0x6f0 [ 679.916282] [] ? __might_fault+0x92/0x1d0 [ 679.916292] [] __do_page_fault+0x403/0xa60 [ 679.916301] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 679.916309] [] ? bad_area_access_error+0x3a0/0x3a0 [ 679.916319] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 679.916326] [] do_page_fault+0x27/0x30 [ 679.916335] [] page_fault+0x25/0x30 [ 679.916339] Mem-Info: [ 679.916356] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 679.916356] active_file:29 inactive_file:42 isolated_file:0 [ 679.916356] unevictable:0 dirty:0 writeback:0 unstable:0 [ 679.916356] slab_reclaimable:4571 slab_unreclaimable:56993 [ 679.916356] mapped:30 shmem:48 pagetables:365 bounce:0 [ 679.916356] free:5947 free_pcp:113 free_cma:0 [ 679.916369] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 679.916388] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 679.916415] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:332kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 679.916471] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18492kB Normal: 456*4kB (UMH) 171*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5224kB 120 total pagecache pages [ 679.916514] 0 pages in swap cache [ 679.916518] Swap cache stats: add 0, delete 0, find 0/0 [ 679.916520] Free swap = 0kB [ 679.916522] Total swap = 0kB [ 679.916525] 1965979 pages RAM [ 679.916527] 0 pages HighMem/MovableOnly [ 679.916529] 313617 pages reserved [ 679.953879] syz-executor.0: page allocation stalls for 100010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 679.953888] CPU: 1 PID: 2362 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 679.953905] ffff88000cbd77c0 ffffffff81b42e79 1ffff1000197aefa ffff8801c75c4740 [ 679.953915] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000cbd7908 [ 679.953925] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 679.953926] Call Trace: [ 679.953944] [] dump_stack+0xc1/0x128 [ 679.953954] [] warn_alloc.cold.31+0x7f/0x9c [ 679.953965] [] ? zone_watermark_ok_safe+0x250/0x250 ** 76 printk messages dropped ** [ 679.958141] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 48 printk messages dropped ** [ 680.187136] CPU: 1 PID: 595 Comm: udevd Not tainted 4.9.141+ #23 ** 6 printk messages dropped ** [ 680.187196] [] ? zone_watermark_ok_safe+0x250/0x250 [ 680.187203] [] ? shrink_node+0x740/0x740 [ 680.187211] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 680.187219] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 680.187227] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 680.187234] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 680.187241] [] ? find_get_entry+0x11a/0x570 [ 680.187247] [] ? find_get_entry+0x141/0x570 ** 37 printk messages dropped ** [ 680.211044] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 83 printk messages dropped ** [ 686.238982] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 686.238982] to free 108kB on behalf of 'syz-execprog' (2156) because [ 686.238982] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 686.238982] Free memory is -13716kB above reserved [ 686.238996] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 686.238996] to free 108kB on behalf of 'kworker/1:1' (22) because [ 686.238996] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 686.238996] Free memory is -13716kB above reserved ** 91 printk messages dropped ** [ 689.330292] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 689.330310] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 689.330334] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:328kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 689.330383] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18484kB Normal: 456*4kB (UMH) 170*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 120 total pagecache pages [ 689.330426] 0 pages in swap cache [ 689.330430] Swap cache stats: add 0, delete 0, find 0/0 [ 689.330432] Free swap = 0kB [ 689.330434] Total swap = 0kB [ 689.330436] 1965979 pages RAM [ 689.330438] 0 pages HighMem/MovableOnly [ 689.330440] 313617 pages reserved [ 689.345805] blkid: page allocation stalls for 110010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 689.345814] CPU: 0 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 689.345830] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 689.345840] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 689.345849] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 689.345851] Call Trace: [ 689.345867] [] dump_stack+0xc1/0x128 [ 689.345877] [] warn_alloc.cold.31+0x7f/0x9c [ 689.345887] [] ? zone_watermark_ok_safe+0x250/0x250 [ 689.345900] [] ? shrink_node+0x740/0x740 [ 689.345909] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 689.345918] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 689.345926] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 689.345936] [] ? check_preemption_disabled+0x3b/0x200 [ 689.345944] [] ? find_get_entry+0x11a/0x570 [ 689.345951] [] ? find_get_entry+0x141/0x570 ** 27 printk messages dropped ** [ 689.346267] 120 total pagecache pages [ 689.346271] 0 pages in swap cache [ 689.346275] Swap cache stats: add 0, delete 0, find 0/0 [ 689.346277] Free swap = 0kB [ 689.346279] Total swap = 0kB [ 689.346281] 1965979 pages RAM [ 689.346283] 0 pages HighMem/MovableOnly [ 689.346286] 313617 pages reserved [ 689.413232] blkid: page allocation stalls for 110060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 689.413242] CPU: 0 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 689.413259] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 689.413270] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 689.413280] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 689.413282] Call Trace: [ 689.413301] [] dump_stack+0xc1/0x128 [ 689.413313] [] warn_alloc.cold.31+0x7f/0x9c [ 689.413324] [] ? zone_watermark_ok_safe+0x250/0x250 [ 689.413333] [] ? shrink_node+0x740/0x740 [ 689.413342] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 689.413352] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 689.413361] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 689.413371] [] ? check_preemption_disabled+0x3b/0x200 [ 689.413379] [] ? find_get_entry+0x11a/0x570 [ 689.413386] [] ? find_get_entry+0x141/0x570 [ 689.413392] [] ? page_cache_prev_hole+0x80/0x80 [ 689.413401] [] ? autoremove_wake_function+0x40/0x40 [ 689.413408] [] ? pagecache_get_page+0x131/0x710 [ 689.413416] [] filemap_fault+0xaf1/0x1110 [ 689.413426] [] ext4_filemap_fault+0x71/0xa0 [ 689.413434] [] __do_fault+0x223/0x500 [ 689.413440] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 689.413448] [] ? handle_mm_fault+0x1d4f/0x2350 [ 689.413456] [] handle_mm_fault+0x1326/0x2350 [ 689.413463] [] ? vm_insert_page+0x6f0/0x6f0 [ 689.413470] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 689.413481] [] __do_page_fault+0x403/0xa60 [ 689.413488] [] ? bad_area_access_error+0x3a0/0x3a0 [ 689.413498] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 689.413505] [] do_page_fault+0x27/0x30 [ 689.413514] [] page_fault+0x25/0x30 [ 689.413518] Mem-Info: [ 689.413536] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 689.413536] active_file:29 inactive_file:42 isolated_file:0 [ 689.413536] unevictable:0 dirty:0 writeback:0 unstable:0 [ 689.413536] slab_reclaimable:4571 slab_unreclaimable:56993 [ 689.413536] mapped:30 shmem:48 pagetables:365 bounce:0 [ 689.413536] free:5947 free_pcp:112 free_cma:0 [ 689.413549] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 689.413568] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 689.413594] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:328kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 689.413650] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18484kB Normal: 456*4kB (UMH) 170*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 120 total pagecache pages [ 689.413694] 0 pages in swap cache [ 689.413698] Swap cache stats: add 0, delete 0, find 0/0 [ 689.413700] Free swap = 0kB [ 689.413702] Total swap = 0kB [ 689.413705] 1965979 pages RAM [ 689.413707] 0 pages HighMem/MovableOnly [ 689.413709] 313617 pages reserved [ 689.925977] syz-executor.3: page allocation stalls for 110020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 689.925988] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 689.926005] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 689.926015] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 689.926025] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 689.926027] Call Trace: [ 689.926047] [] dump_stack+0xc1/0x128 [ 689.926059] [] warn_alloc.cold.31+0x7f/0x9c [ 689.926069] [] ? zone_watermark_ok_safe+0x250/0x250 [ 689.926079] [] ? shrink_node+0x740/0x740 [ 689.926088] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 689.926096] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 689.926105] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 689.926116] [] ? check_preemption_disabled+0x3b/0x200 [ 689.926123] [] ? find_get_entry+0x11a/0x570 [ 689.926130] [] ? find_get_entry+0x141/0x570 [ 689.926137] [] ? page_cache_prev_hole+0x80/0x80 [ 689.926144] [] ? pagecache_get_page+0x131/0x710 [ 689.926152] [] filemap_fault+0xaf1/0x1110 [ 689.926161] [] ext4_filemap_fault+0x71/0xa0 [ 689.926169] [] __do_fault+0x223/0x500 [ 689.926176] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 689.926183] [] ? handle_mm_fault+0x1d4f/0x2350 [ 689.926190] [] handle_mm_fault+0x1326/0x2350 [ 689.926197] [] ? vm_insert_page+0x6f0/0x6f0 [ 689.926204] [] ? __might_fault+0x92/0x1d0 [ 689.926215] [] __do_page_fault+0x403/0xa60 [ 689.926227] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 689.926235] [] ? bad_area_access_error+0x3a0/0x3a0 [ 689.926246] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 689.926253] [] do_page_fault+0x27/0x30 [ 689.926262] [] page_fault+0x25/0x30 [ 689.926266] Mem-Info: [ 689.926283] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 689.926283] active_file:29 inactive_file:42 isolated_file:0 [ 689.926283] unevictable:0 dirty:0 writeback:0 unstable:0 [ 689.926283] slab_reclaimable:4571 slab_unreclaimable:56993 [ 689.926283] mapped:30 shmem:48 pagetables:365 bounce:0 [ 689.926283] free:5947 free_pcp:112 free_cma:0 [ 689.926297] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 689.926316] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 689.926342] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:328kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 689.926399] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18484kB Normal: 456*4kB (UMH) 170*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 120 total pagecache pages [ 689.926442] 0 pages in swap cache [ 689.926446] Swap cache stats: add 0, delete 0, find 0/0 [ 689.926448] Free swap = 0kB [ 689.926450] Total swap = 0kB [ 689.926452] 1965979 pages RAM [ 689.926454] 0 pages HighMem/MovableOnly [ 689.926457] 313617 pages reserved [ 689.964944] syz-executor.0: page allocation stalls for 110020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 689.964953] CPU: 1 PID: 2362 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 689.964970] ffff88000cbd77c0 ffffffff81b42e79 1ffff1000197aefa ffff8801c75c4740 [ 689.964980] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000cbd7908 [ 689.964995] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 689.964997] Call Trace: [ 689.965015] [] dump_stack+0xc1/0x128 [ 689.965026] [] warn_alloc.cold.31+0x7f/0x9c [ 689.965035] [] ? zone_watermark_ok_safe+0x250/0x250 [ 689.965044] [] ? shrink_node+0x740/0x740 [ 689.965053] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 689.965062] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 689.965071] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 689.965080] [] ? check_preemption_disabled+0x3b/0x200 [ 689.965088] [] ? find_get_entry+0x11a/0x570 [ 689.965095] [] ? find_get_entry+0x141/0x570 [ 689.965102] [] ? page_cache_prev_hole+0x80/0x80 [ 689.965110] [] ? pagecache_get_page+0x131/0x710 [ 689.965117] [] filemap_fault+0xaf1/0x1110 [ 689.965126] [] ext4_filemap_fault+0x71/0xa0 [ 689.965133] [] __do_fault+0x223/0x500 [ 689.965140] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 689.965148] [] ? handle_mm_fault+0x1d4f/0x2350 [ 689.965155] [] handle_mm_fault+0x1326/0x2350 [ 689.965162] [] ? vm_insert_page+0x6f0/0x6f0 [ 689.965169] [] ? __might_fault+0x92/0x1d0 [ 689.965178] [] __do_page_fault+0x403/0xa60 [ 689.965189] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 689.965196] [] ? bad_area_access_error+0x3a0/0x3a0 [ 689.965206] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 689.965213] [] do_page_fault+0x27/0x30 [ 689.965222] [] page_fault+0x25/0x30 [ 689.965226] Mem-Info: [ 689.965243] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 689.965243] active_file:29 inactive_file:42 isolated_file:0 [ 689.965243] unevictable:0 dirty:0 writeback:0 unstable:0 [ 689.965243] slab_reclaimable:4571 slab_unreclaimable:56993 [ 689.965243] mapped:30 shmem:48 pagetables:365 bounce:0 [ 689.965243] free:5947 free_pcp:112 free_cma:0 ** 51 printk messages dropped ** [ 689.976706] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 50 printk messages dropped ** [ 690.173294] lowmem_reserve[]: 0 3505 3505 [ 690.173312] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:328kB local_pcp:96kB free_cma:0kB ** 132 printk messages dropped ** [ 695.329013] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 695.329013] to free 108kB on behalf of 'syz-executor.0' (2362) because [ 695.329013] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 695.329013] Free memory is -13716kB above reserved ** 93 printk messages dropped ** [ 699.335232] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 1 printk messages dropped ** [ 699.335259] lowmem_reserve[]: 0 3505 3505 [ 699.335277] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:328kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 699.335339] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18484kB Normal: 456*4kB (UMH) 170*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 120 total pagecache pages [ 699.335383] 0 pages in swap cache [ 699.335391] Swap cache stats: add 0, delete 0, find 0/0 [ 699.335393] Free swap = 0kB [ 699.335396] Total swap = 0kB [ 699.335398] 1965979 pages RAM [ 699.335400] 0 pages HighMem/MovableOnly [ 699.335402] 313617 pages reserved [ 699.368969] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 699.368969] to free 108kB on behalf of 'syz-executor.0' (2363) because [ 699.368969] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 699.368969] Free memory is -13716kB above reserved [ 699.373471] blkid: page allocation stalls for 120040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 699.373480] CPU: 0 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 ** 41 printk messages dropped ** [ 699.373944] 120 total pagecache pages [ 699.373947] 0 pages in swap cache [ 699.373951] Swap cache stats: add 0, delete 0, find 0/0 [ 699.373953] Free swap = 0kB [ 699.373955] Total swap = 0kB [ 699.373957] 1965979 pages RAM [ 699.373959] 0 pages HighMem/MovableOnly [ 699.373961] 313617 pages reserved [ 699.402434] blkid: page allocation stalls for 120050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 699.402443] CPU: 1 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 699.402458] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 699.402469] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 699.402479] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 699.402480] Call Trace: [ 699.402496] [] dump_stack+0xc1/0x128 [ 699.402506] [] warn_alloc.cold.31+0x7f/0x9c [ 699.402515] [] ? zone_watermark_ok_safe+0x250/0x250 [ 699.402523] [] ? shrink_node+0x740/0x740 [ 699.402533] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 699.402541] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 699.402551] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 699.402559] [] ? check_preemption_disabled+0x3b/0x200 [ 699.402566] [] ? find_get_entry+0x11a/0x570 [ 699.402574] [] ? find_get_entry+0x141/0x570 [ 699.402581] [] ? page_cache_prev_hole+0x80/0x80 [ 699.402589] [] ? autoremove_wake_function+0x40/0x40 [ 699.402597] [] ? pagecache_get_page+0x131/0x710 [ 699.402604] [] filemap_fault+0xaf1/0x1110 [ 699.402612] [] ext4_filemap_fault+0x71/0xa0 [ 699.402619] [] __do_fault+0x223/0x500 [ 699.402626] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 699.402633] [] ? handle_mm_fault+0x1d4f/0x2350 [ 699.402641] [] handle_mm_fault+0x1326/0x2350 [ 699.402648] [] ? vm_insert_page+0x6f0/0x6f0 [ 699.402655] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 699.402664] [] __do_page_fault+0x403/0xa60 [ 699.402672] [] ? bad_area_access_error+0x3a0/0x3a0 [ 699.402681] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 699.402688] [] do_page_fault+0x27/0x30 [ 699.402702] [] page_fault+0x25/0x30 [ 699.402705] Mem-Info: [ 699.402722] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 699.402722] active_file:29 inactive_file:42 isolated_file:0 [ 699.402722] unevictable:0 dirty:0 writeback:0 unstable:0 [ 699.402722] slab_reclaimable:4571 slab_unreclaimable:56993 [ 699.402722] mapped:30 shmem:48 pagetables:365 bounce:0 [ 699.402722] free:5947 free_pcp:112 free_cma:0 [ 699.402735] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 699.402754] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 699.402780] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:328kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 699.402835] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18484kB Normal: 456*4kB (UMH) 170*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 120 total pagecache pages [ 699.402878] 0 pages in swap cache [ 699.402882] Swap cache stats: add 0, delete 0, find 0/0 [ 699.402884] Free swap = 0kB [ 699.402886] Total swap = 0kB [ 699.402888] 1965979 pages RAM [ 699.402890] 0 pages HighMem/MovableOnly [ 699.402892] 313617 pages reserved [ 699.923761] syz-executor.3: page allocation stalls for 120020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 699.923772] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 699.923790] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 699.923800] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 699.923810] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 699.923812] Call Trace: [ 699.923832] [] dump_stack+0xc1/0x128 [ 699.923843] [] warn_alloc.cold.31+0x7f/0x9c [ 699.923854] [] ? zone_watermark_ok_safe+0x250/0x250 [ 699.923863] [] ? shrink_node+0x740/0x740 [ 699.923872] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 699.923882] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 699.923891] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 699.923902] [] ? check_preemption_disabled+0x3b/0x200 [ 699.923909] [] ? find_get_entry+0x11a/0x570 [ 699.923916] [] ? find_get_entry+0x141/0x570 [ 699.923923] [] ? page_cache_prev_hole+0x80/0x80 [ 699.923931] [] ? pagecache_get_page+0x131/0x710 [ 699.923938] [] filemap_fault+0xaf1/0x1110 [ 699.923948] [] ext4_filemap_fault+0x71/0xa0 [ 699.923955] [] __do_fault+0x223/0x500 [ 699.923962] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 699.923969] [] ? handle_mm_fault+0x1d4f/0x2350 [ 699.923976] [] handle_mm_fault+0x1326/0x2350 [ 699.923984] [] ? vm_insert_page+0x6f0/0x6f0 [ 699.923990] [] ? __might_fault+0x92/0x1d0 [ 699.924000] [] __do_page_fault+0x403/0xa60 [ 699.924010] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 699.924017] [] ? bad_area_access_error+0x3a0/0x3a0 [ 699.924028] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 699.924035] [] do_page_fault+0x27/0x30 [ 699.924045] [] page_fault+0x25/0x30 [ 699.924049] Mem-Info: [ 699.924067] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 699.924067] active_file:29 inactive_file:42 isolated_file:0 [ 699.924067] unevictable:0 dirty:0 writeback:0 unstable:0 [ 699.924067] slab_reclaimable:4571 slab_unreclaimable:56993 [ 699.924067] mapped:30 shmem:48 pagetables:365 bounce:0 [ 699.924067] free:5947 free_pcp:112 free_cma:0 [ 699.924080] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 699.924099] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 699.924125] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:328kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 699.924186] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18484kB Normal: 456*4kB (UMH) 170*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 120 total pagecache pages [ 699.924229] 0 pages in swap cache [ 699.924234] Swap cache stats: add 0, delete 0, find 0/0 [ 699.924236] Free swap = 0kB [ 699.924238] Total swap = 0kB [ 699.924240] 1965979 pages RAM [ 699.924242] 0 pages HighMem/MovableOnly [ 699.924245] 313617 pages reserved [ 699.952993] syz-execprog: page allocation stalls for 120020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 699.953002] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 699.953017] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 699.953026] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 699.953035] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 699.953036] Call Trace: [ 699.953052] [] dump_stack+0xc1/0x128 [ 699.953061] [] warn_alloc.cold.31+0x7f/0x9c [ 699.953070] [] ? zone_watermark_ok_safe+0x250/0x250 [ 699.953079] [] ? shrink_node+0x740/0x740 [ 699.953088] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 699.953096] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 699.953104] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 699.953111] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 699.953118] [] ? find_get_entry+0x11a/0x570 [ 699.953124] [] ? find_get_entry+0x141/0x570 [ 699.953131] [] ? page_cache_prev_hole+0x80/0x80 [ 699.953140] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 699.953147] [] ? pagecache_get_page+0x131/0x710 [ 699.953153] [] filemap_fault+0xaf1/0x1110 [ 699.953161] [] ext4_filemap_fault+0x71/0xa0 [ 699.953168] [] __do_fault+0x223/0x500 [ 699.953174] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 699.953181] [] ? generic_file_readonly_mmap+0x190/0x190 [ 699.953188] [] handle_mm_fault+0x1326/0x2350 [ 699.953194] [] ? vm_insert_page+0x6f0/0x6f0 [ 699.953202] [] ? kvm_clock_read+0x23/0x40 ** 108 printk messages dropped ** [ 700.191450] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 700.191477] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:328kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 700.191532] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18484kB Normal: 456*4kB (UMH) 170*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5216kB 120 total pagecache pages [ 700.191575] 0 pages in swap cache ** 44 printk messages dropped ** [ 700.197902] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:328kB local_pcp:96kB free_cma:0kB ** 83 printk messages dropped ** [ 706.439023] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 706.439023] to free 108kB on behalf of 'syz-execprog' (2156) because [ 706.439023] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 706.439023] Free memory is -13716kB above reserved [ 707.448970] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 707.448970] to free 108kB on behalf of 'syz-executor.5' (2328) because [ 707.448970] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 707.448970] Free memory is -13716kB above reserved ** 93 printk messages dropped ** [ 709.340958] lowmem_reserve[]: 0 3505 3505 [ 709.340977] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 709.341038] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 709.341082] 0 pages in swap cache [ 709.341086] Swap cache stats: add 0, delete 0, find 0/0 [ 709.341088] Free swap = 0kB [ 709.341090] Total swap = 0kB [ 709.341092] 1965979 pages RAM [ 709.341094] 0 pages HighMem/MovableOnly [ 709.341096] 313617 pages reserved [ 709.347052] syz-executor.0: page allocation stalls for 130020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 709.347059] CPU: 1 PID: 2182 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 709.347072] ffff8801c9e677c0 ffffffff81b42e79 1ffff100393ccefa ffff8801c9c8af80 [ 709.347082] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9e67908 [ 709.347092] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 709.347094] Call Trace: [ 709.347103] [] dump_stack+0xc1/0x128 [ 709.347111] [] warn_alloc.cold.31+0x7f/0x9c [ 709.347119] [] ? zone_watermark_ok_safe+0x250/0x250 [ 709.347127] [] ? shrink_node+0x740/0x740 [ 709.347136] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 709.347143] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 709.347152] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 709.347162] [] ? check_preemption_disabled+0x3b/0x200 [ 709.347169] [] ? find_get_entry+0x11a/0x570 ** 35 printk messages dropped ** [ 709.418400] CPU: 0 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 709.418417] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 709.418427] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 709.418437] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 709.418439] Call Trace: [ 709.418459] [] dump_stack+0xc1/0x128 [ 709.418471] [] warn_alloc.cold.31+0x7f/0x9c [ 709.418482] [] ? zone_watermark_ok_safe+0x250/0x250 [ 709.418497] [] ? shrink_node+0x740/0x740 [ 709.418506] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 709.418515] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 709.418524] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 709.418532] [] ? check_preemption_disabled+0x3b/0x200 [ 709.418540] [] ? find_get_entry+0x11a/0x570 [ 709.418547] [] ? find_get_entry+0x141/0x570 [ 709.418554] [] ? page_cache_prev_hole+0x80/0x80 [ 709.418563] [] ? autoremove_wake_function+0x40/0x40 [ 709.418571] [] ? pagecache_get_page+0x131/0x710 [ 709.418578] [] filemap_fault+0xaf1/0x1110 [ 709.418588] [] ext4_filemap_fault+0x71/0xa0 [ 709.418595] [] __do_fault+0x223/0x500 [ 709.418602] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 709.418610] [] ? handle_mm_fault+0x1d4f/0x2350 [ 709.418618] [] handle_mm_fault+0x1326/0x2350 [ 709.418625] [] ? vm_insert_page+0x6f0/0x6f0 [ 709.418632] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 709.418643] [] __do_page_fault+0x403/0xa60 [ 709.418651] [] ? bad_area_access_error+0x3a0/0x3a0 [ 709.418662] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.418669] [] do_page_fault+0x27/0x30 [ 709.418679] [] page_fault+0x25/0x30 [ 709.418683] Mem-Info: [ 709.418701] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 709.418701] active_file:29 inactive_file:42 isolated_file:0 [ 709.418701] unevictable:0 dirty:0 writeback:0 unstable:0 [ 709.418701] slab_reclaimable:4571 slab_unreclaimable:56993 [ 709.418701] mapped:30 shmem:48 pagetables:365 bounce:0 [ 709.418701] free:5947 free_pcp:111 free_cma:0 [ 709.418714] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 709.418733] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 709.418760] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 709.418816] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 709.418920] 0 pages in swap cache [ 709.418924] Swap cache stats: add 0, delete 0, find 0/0 [ 709.418926] Free swap = 0kB [ 709.418928] Total swap = 0kB [ 709.418930] 1965979 pages RAM [ 709.418932] 0 pages HighMem/MovableOnly [ 709.418934] 313617 pages reserved [ 709.468981] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 709.468981] to free 108kB on behalf of 'syz-executor.0' (2182) because [ 709.468981] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 709.468981] Free memory is -13716kB above reserved [ 709.468992] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 709.468992] to free 108kB on behalf of 'kthreadd' (2) because [ 709.468992] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 709.468992] Free memory is -13716kB above reserved [ 709.911364] syz-executor.3: page allocation stalls for 130010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 709.911375] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 709.911392] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 709.911402] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 709.911412] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 709.911413] Call Trace: [ 709.911433] [] dump_stack+0xc1/0x128 [ 709.911445] [] warn_alloc.cold.31+0x7f/0x9c [ 709.911456] [] ? zone_watermark_ok_safe+0x250/0x250 [ 709.911470] [] ? shrink_node+0x740/0x740 [ 709.911479] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 709.911488] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 709.911497] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 709.911508] [] ? check_preemption_disabled+0x3b/0x200 [ 709.911515] [] ? find_get_entry+0x11a/0x570 [ 709.911522] [] ? find_get_entry+0x141/0x570 [ 709.911529] [] ? page_cache_prev_hole+0x80/0x80 [ 709.911537] [] ? pagecache_get_page+0x131/0x710 [ 709.911545] [] filemap_fault+0xaf1/0x1110 [ 709.911555] [] ext4_filemap_fault+0x71/0xa0 [ 709.911563] [] __do_fault+0x223/0x500 [ 709.911570] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 709.911578] [] ? handle_mm_fault+0x1d4f/0x2350 [ 709.911585] [] handle_mm_fault+0x1326/0x2350 [ 709.911592] [] ? vm_insert_page+0x6f0/0x6f0 [ 709.911599] [] ? __might_fault+0x92/0x1d0 [ 709.911610] [] __do_page_fault+0x403/0xa60 [ 709.911622] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 709.911629] [] ? bad_area_access_error+0x3a0/0x3a0 [ 709.911639] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.911646] [] do_page_fault+0x27/0x30 [ 709.911655] [] page_fault+0x25/0x30 [ 709.911659] Mem-Info: [ 709.911676] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 709.911676] active_file:29 inactive_file:42 isolated_file:0 [ 709.911676] unevictable:0 dirty:0 writeback:0 unstable:0 [ 709.911676] slab_reclaimable:4571 slab_unreclaimable:56993 [ 709.911676] mapped:30 shmem:48 pagetables:365 bounce:0 [ 709.911676] free:5947 free_pcp:111 free_cma:0 [ 709.911690] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 709.911708] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 709.911735] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 709.911790] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 709.911835] 0 pages in swap cache [ 709.911839] Swap cache stats: add 0, delete 0, find 0/0 [ 709.911841] Free swap = 0kB [ 709.911843] Total swap = 0kB [ 709.911846] 1965979 pages RAM [ 709.911848] 0 pages HighMem/MovableOnly [ 709.911850] 313617 pages reserved [ 709.964020] syz-execprog: page allocation stalls for 130030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 709.964030] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 709.964045] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 709.964054] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 709.964064] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 709.964065] Call Trace: [ 709.964082] [] dump_stack+0xc1/0x128 [ 709.964092] [] warn_alloc.cold.31+0x7f/0x9c [ 709.964102] [] ? zone_watermark_ok_safe+0x250/0x250 [ 709.964110] [] ? shrink_node+0x740/0x740 [ 709.964118] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 709.964127] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 709.964135] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 709.964142] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 709.964149] [] ? find_get_entry+0x11a/0x570 [ 709.964156] [] ? find_get_entry+0x141/0x570 [ 709.964162] [] ? page_cache_prev_hole+0x80/0x80 [ 709.964172] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 709.964179] [] ? pagecache_get_page+0x131/0x710 [ 709.964185] [] filemap_fault+0xaf1/0x1110 [ 709.964194] [] ext4_filemap_fault+0x71/0xa0 [ 709.964201] [] __do_fault+0x223/0x500 [ 709.964207] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 709.964214] [] ? generic_file_readonly_mmap+0x190/0x190 [ 709.964221] [] handle_mm_fault+0x1326/0x2350 [ 709.964227] [] ? vm_insert_page+0x6f0/0x6f0 ** 59 printk messages dropped ** [ 709.967676] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 48 printk messages dropped ** [ 710.194312] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 710.194329] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 710.194353] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 710.194403] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB ** 130 printk messages dropped ** [ 715.529015] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 715.529015] to free 108kB on behalf of 'syz-executor.3' (2179) because [ 715.529015] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 715.529015] Free memory is -13716kB above reserved [ 716.538985] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 716.538985] to free 108kB on behalf of 'kworker/1:1' (22) because [ 716.538985] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 716.538985] Free memory is -13716kB above reserved [ 717.548977] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 717.548977] to free 108kB on behalf of 'blkid' (2361) because [ 717.548977] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 717.548977] Free memory is -13716kB above reserved [ 718.558997] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 718.558997] to free 108kB on behalf of 'kthreadd' (2) because [ 718.558997] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 718.558997] Free memory is -13716kB above reserved ** 91 printk messages dropped ** [ 719.349990] lowmem_reserve[]: 0 3505 3505 [ 719.350008] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 719.350064] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 719.350108] 0 pages in swap cache [ 719.350112] Swap cache stats: add 0, delete 0, find 0/0 [ 719.350114] Free swap = 0kB [ 719.350116] Total swap = 0kB [ 719.350118] 1965979 pages RAM [ 719.350120] 0 pages HighMem/MovableOnly [ 719.350122] 313617 pages reserved [ 719.356154] syz-executor.0: page allocation stalls for 140030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 719.356161] CPU: 1 PID: 2182 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 719.356174] ffff8801c9e677c0 ffffffff81b42e79 1ffff100393ccefa ffff8801c9c8af80 [ 719.356185] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9e67908 [ 719.356194] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 719.356196] Call Trace: [ 719.356207] [] dump_stack+0xc1/0x128 [ 719.356215] [] warn_alloc.cold.31+0x7f/0x9c [ 719.356224] [] ? zone_watermark_ok_safe+0x250/0x250 [ 719.356232] [] ? shrink_node+0x740/0x740 [ 719.356240] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 719.356248] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 719.356257] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 719.356266] [] ? check_preemption_disabled+0x3b/0x200 [ 719.356273] [] ? find_get_entry+0x11a/0x570 [ 719.356280] [] ? find_get_entry+0x141/0x570 ** 35 printk messages dropped ** [ 719.411892] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 719.411902] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 719.411912] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 719.411914] Call Trace: [ 719.411933] [] dump_stack+0xc1/0x128 [ 719.411945] [] warn_alloc.cold.31+0x7f/0x9c [ 719.411955] [] ? zone_watermark_ok_safe+0x250/0x250 [ 719.411965] [] ? shrink_node+0x740/0x740 [ 719.411974] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 719.411982] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 719.411991] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 719.412000] [] ? check_preemption_disabled+0x3b/0x200 [ 719.412007] [] ? find_get_entry+0x11a/0x570 [ 719.412015] [] ? find_get_entry+0x141/0x570 [ 719.412022] [] ? page_cache_prev_hole+0x80/0x80 [ 719.412030] [] ? autoremove_wake_function+0x40/0x40 [ 719.412038] [] ? pagecache_get_page+0x131/0x710 [ 719.412045] [] filemap_fault+0xaf1/0x1110 [ 719.412054] [] ext4_filemap_fault+0x71/0xa0 [ 719.412061] [] __do_fault+0x223/0x500 [ 719.412068] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 719.412075] [] ? handle_mm_fault+0x1d4f/0x2350 [ 719.412082] [] handle_mm_fault+0x1326/0x2350 [ 719.412090] [] ? vm_insert_page+0x6f0/0x6f0 [ 719.412097] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 719.412106] [] __do_page_fault+0x403/0xa60 [ 719.412114] [] ? bad_area_access_error+0x3a0/0x3a0 [ 719.412124] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.412131] [] do_page_fault+0x27/0x30 [ 719.412140] [] page_fault+0x25/0x30 [ 719.412144] Mem-Info: [ 719.412161] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 719.412161] active_file:29 inactive_file:42 isolated_file:0 [ 719.412161] unevictable:0 dirty:0 writeback:0 unstable:0 [ 719.412161] slab_reclaimable:4571 slab_unreclaimable:56993 [ 719.412161] mapped:30 shmem:48 pagetables:365 bounce:0 [ 719.412161] free:5947 free_pcp:111 free_cma:0 [ 719.412174] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 719.412193] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 719.412219] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 719.412275] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 719.412318] 0 pages in swap cache [ 719.412322] Swap cache stats: add 0, delete 0, find 0/0 [ 719.412324] Free swap = 0kB [ 719.412326] Total swap = 0kB [ 719.412328] 1965979 pages RAM [ 719.412330] 0 pages HighMem/MovableOnly [ 719.412332] 313617 pages reserved [ 719.569006] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 719.569006] to free 108kB on behalf of 'syz-executor.3' (2359) because [ 719.569006] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 719.569006] Free memory is -13716kB above reserved [ 719.569017] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 719.569017] to free 108kB on behalf of 'kworker/1:1' (22) because [ 719.569017] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 719.569017] Free memory is -13716kB above reserved [ 719.933075] syz-executor.3: page allocation stalls for 140030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 719.933085] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 719.933102] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 719.933112] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 719.933122] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 719.933123] Call Trace: [ 719.933142] [] dump_stack+0xc1/0x128 [ 719.933153] [] warn_alloc.cold.31+0x7f/0x9c [ 719.933164] [] ? zone_watermark_ok_safe+0x250/0x250 [ 719.933174] [] ? shrink_node+0x740/0x740 [ 719.933183] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 719.933192] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 719.933201] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 719.933211] [] ? check_preemption_disabled+0x3b/0x200 [ 719.933219] [] ? find_get_entry+0x11a/0x570 [ 719.933226] [] ? find_get_entry+0x141/0x570 [ 719.933233] [] ? page_cache_prev_hole+0x80/0x80 [ 719.933240] [] ? pagecache_get_page+0x131/0x710 [ 719.933248] [] filemap_fault+0xaf1/0x1110 [ 719.933259] [] ext4_filemap_fault+0x71/0xa0 [ 719.933265] [] __do_fault+0x223/0x500 [ 719.933272] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 719.933279] [] ? handle_mm_fault+0x1d4f/0x2350 [ 719.933287] [] handle_mm_fault+0x1326/0x2350 [ 719.933294] [] ? vm_insert_page+0x6f0/0x6f0 [ 719.933301] [] ? __might_fault+0x92/0x1d0 [ 719.933310] [] __do_page_fault+0x403/0xa60 [ 719.933320] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 719.933328] [] ? bad_area_access_error+0x3a0/0x3a0 [ 719.933337] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.933344] [] do_page_fault+0x27/0x30 [ 719.933353] [] page_fault+0x25/0x30 [ 719.933356] Mem-Info: [ 719.933374] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 719.933374] active_file:29 inactive_file:42 isolated_file:0 [ 719.933374] unevictable:0 dirty:0 writeback:0 unstable:0 [ 719.933374] slab_reclaimable:4571 slab_unreclaimable:56993 [ 719.933374] mapped:30 shmem:48 pagetables:365 bounce:0 [ 719.933374] free:5947 free_pcp:111 free_cma:0 [ 719.933387] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 719.933406] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 719.933433] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 719.933487] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 719.933530] 0 pages in swap cache [ 719.933534] Swap cache stats: add 0, delete 0, find 0/0 [ 719.933536] Free swap = 0kB [ 719.933538] Total swap = 0kB [ 719.933540] 1965979 pages RAM [ 719.933542] 0 pages HighMem/MovableOnly [ 719.933545] 313617 pages reserved [ 719.945483] syz-execprog: page allocation stalls for 140010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 719.945491] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 719.945504] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 719.945514] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 719.945524] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 719.945525] Call Trace: [ 719.945536] [] dump_stack+0xc1/0x128 [ 719.945544] [] warn_alloc.cold.31+0x7f/0x9c [ 719.945553] [] ? zone_watermark_ok_safe+0x250/0x250 [ 719.945561] [] ? shrink_node+0x740/0x740 [ 719.945570] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 719.945578] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 719.945587] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 719.945594] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 719.945601] [] ? find_get_entry+0x11a/0x570 [ 719.945609] [] ? find_get_entry+0x141/0x570 [ 719.945616] [] ? page_cache_prev_hole+0x80/0x80 [ 719.945625] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 719.945633] [] ? pagecache_get_page+0x131/0x710 [ 719.945640] [] filemap_fault+0xaf1/0x1110 [ 719.945648] [] ext4_filemap_fault+0x71/0xa0 [ 719.945655] [] __do_fault+0x223/0x500 [ 719.945661] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 719.945670] [] ? generic_file_readonly_mmap+0x190/0x190 [ 719.945677] [] handle_mm_fault+0x1326/0x2350 [ 719.945684] [] ? vm_insert_page+0x6f0/0x6f0 [ 719.945692] [] ? kvm_clock_read+0x23/0x40 [ 719.945700] [] ? kvm_clock_get_cycles+0x9/0x10 [ 719.945708] [] __do_page_fault+0x403/0xa60 [ 719.945715] [] ? bad_area_access_error+0x3a0/0x3a0 [ 719.945724] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.945731] [] do_page_fault+0x27/0x30 [ 719.945738] [] page_fault+0x25/0x30 [ 719.945741] Mem-Info: [ 719.945762] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 719.945762] active_file:29 inactive_file:42 isolated_file:0 [ 719.945762] unevictable:0 dirty:0 writeback:0 unstable:0 [ 719.945762] slab_reclaimable:4571 slab_unreclaimable:56993 [ 719.945762] mapped:30 shmem:48 pagetables:365 bounce:0 [ 719.945762] free:5947 free_pcp:111 free_cma:0 ** 103 printk messages dropped ** [ 720.176626] lowmem_reserve[]: 0 0 0 [ 720.176674] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 720.176717] 0 pages in swap cache [ 720.176722] Swap cache stats: add 0, delete 0, find 0/0 [ 720.176724] Free swap = 0kB [ 720.176726] Total swap = 0kB [ 720.176728] 1965979 pages RAM [ 720.176731] 0 pages HighMem/MovableOnly [ 720.176733] 313617 pages reserved ** 39 printk messages dropped ** [ 720.201159] lowmem_reserve[]: 0 0 0 ** 83 printk messages dropped ** [ 726.638967] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 726.638967] to free 108kB on behalf of 'kworker/1:2' (2183) because [ 726.638967] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 726.638967] Free memory is -13716kB above reserved [ 727.648951] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 727.648951] to free 108kB on behalf of 'syz-executor.0' (2362) because [ 727.648951] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 727.648951] Free memory is -13716kB above reserved ** 91 printk messages dropped ** [ 729.346236] lowmem_reserve[]: 0 3505 3505 [ 729.346255] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 729.346310] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 729.346354] 0 pages in swap cache [ 729.346358] Swap cache stats: add 0, delete 0, find 0/0 [ 729.346360] Free swap = 0kB [ 729.346362] Total swap = 0kB [ 729.346364] 1965979 pages RAM [ 729.346367] 0 pages HighMem/MovableOnly [ 729.346369] 313617 pages reserved [ 729.356112] blkid: page allocation stalls for 150020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 729.356119] CPU: 1 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 729.356133] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 729.356143] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 729.356153] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 729.356155] Call Trace: [ 729.356171] [] dump_stack+0xc1/0x128 [ 729.356179] [] warn_alloc.cold.31+0x7f/0x9c [ 729.356187] [] ? zone_watermark_ok_safe+0x250/0x250 [ 729.356196] [] ? shrink_node+0x740/0x740 [ 729.356205] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 729.356213] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 729.356221] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 729.356231] [] ? check_preemption_disabled+0x3b/0x200 [ 729.356238] [] ? find_get_entry+0x11a/0x570 [ 729.356245] [] ? find_get_entry+0x141/0x570 ** 27 printk messages dropped ** [ 729.356554] 120 total pagecache pages ** 9 printk messages dropped ** [ 729.365960] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 729.365970] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 729.365980] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 729.365981] Call Trace: [ 729.365992] [] dump_stack+0xc1/0x128 [ 729.366000] [] warn_alloc.cold.31+0x7f/0x9c [ 729.366009] [] ? zone_watermark_ok_safe+0x250/0x250 [ 729.366017] [] ? shrink_node+0x740/0x740 [ 729.366025] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 729.366033] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 729.366042] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 729.366052] [] ? check_preemption_disabled+0x3b/0x200 [ 729.366059] [] ? find_get_entry+0x11a/0x570 [ 729.366066] [] ? find_get_entry+0x141/0x570 [ 729.366073] [] ? page_cache_prev_hole+0x80/0x80 [ 729.366082] [] ? autoremove_wake_function+0x40/0x40 [ 729.366089] [] ? pagecache_get_page+0x131/0x710 [ 729.366096] [] filemap_fault+0xaf1/0x1110 [ 729.366110] [] ext4_filemap_fault+0x71/0xa0 [ 729.366117] [] __do_fault+0x223/0x500 [ 729.366124] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 729.366131] [] ? handle_mm_fault+0x1d4f/0x2350 [ 729.366138] [] handle_mm_fault+0x1326/0x2350 [ 729.366145] [] ? vm_insert_page+0x6f0/0x6f0 [ 729.366153] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 729.366162] [] __do_page_fault+0x403/0xa60 [ 729.366169] [] ? bad_area_access_error+0x3a0/0x3a0 [ 729.366178] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 729.366185] [] do_page_fault+0x27/0x30 [ 729.366192] [] page_fault+0x25/0x30 [ 729.366195] Mem-Info: [ 729.366211] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 729.366211] active_file:29 inactive_file:42 isolated_file:0 [ 729.366211] unevictable:0 dirty:0 writeback:0 unstable:0 [ 729.366211] slab_reclaimable:4571 slab_unreclaimable:56993 [ 729.366211] mapped:30 shmem:48 pagetables:365 bounce:0 [ 729.366211] free:5947 free_pcp:111 free_cma:0 [ 729.366224] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 729.366242] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 729.366268] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 729.366322] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 729.366365] 0 pages in swap cache [ 729.366368] Swap cache stats: add 0, delete 0, find 0/0 [ 729.366371] Free swap = 0kB [ 729.366373] Total swap = 0kB [ 729.366375] 1965979 pages RAM [ 729.366377] 0 pages HighMem/MovableOnly [ 729.366379] 313617 pages reserved [ 729.668977] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 729.668977] to free 108kB on behalf of 'syz-executor.4' (2337) because [ 729.668977] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 729.668977] Free memory is -13716kB above reserved [ 729.668996] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 729.668996] to free 108kB on behalf of 'syz-executor.3' (2179) because [ 729.668996] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 729.668996] Free memory is -13716kB above reserved [ 729.929965] syz-executor.3: page allocation stalls for 150030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 729.929976] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 729.929992] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 729.930002] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 729.930012] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 729.930014] Call Trace: [ 729.930033] [] dump_stack+0xc1/0x128 [ 729.930044] [] warn_alloc.cold.31+0x7f/0x9c [ 729.930055] [] ? zone_watermark_ok_safe+0x250/0x250 [ 729.930070] [] ? shrink_node+0x740/0x740 [ 729.930079] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 729.930088] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 729.930097] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 729.930106] [] ? check_preemption_disabled+0x3b/0x200 [ 729.930113] [] ? find_get_entry+0x11a/0x570 [ 729.930121] [] ? find_get_entry+0x141/0x570 [ 729.930128] [] ? page_cache_prev_hole+0x80/0x80 [ 729.930135] [] ? pagecache_get_page+0x131/0x710 [ 729.930143] [] filemap_fault+0xaf1/0x1110 [ 729.930152] [] ext4_filemap_fault+0x71/0xa0 [ 729.930160] [] __do_fault+0x223/0x500 [ 729.930167] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 729.930174] [] ? handle_mm_fault+0x1d4f/0x2350 [ 729.930182] [] handle_mm_fault+0x1326/0x2350 [ 729.930189] [] ? vm_insert_page+0x6f0/0x6f0 [ 729.930196] [] ? __might_fault+0x92/0x1d0 [ 729.930207] [] __do_page_fault+0x403/0xa60 [ 729.930218] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 729.930226] [] ? bad_area_access_error+0x3a0/0x3a0 [ 729.930235] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 729.930243] [] do_page_fault+0x27/0x30 [ 729.930251] [] page_fault+0x25/0x30 [ 729.930255] Mem-Info: [ 729.930272] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 729.930272] active_file:29 inactive_file:42 isolated_file:0 [ 729.930272] unevictable:0 dirty:0 writeback:0 unstable:0 [ 729.930272] slab_reclaimable:4571 slab_unreclaimable:56993 [ 729.930272] mapped:30 shmem:48 pagetables:365 bounce:0 [ 729.930272] free:5947 free_pcp:111 free_cma:0 [ 729.930285] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 729.930304] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 729.930331] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 729.930386] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 729.930430] 0 pages in swap cache [ 729.930434] Swap cache stats: add 0, delete 0, find 0/0 [ 729.930436] Free swap = 0kB [ 729.930438] Total swap = 0kB [ 729.930440] 1965979 pages RAM [ 729.930442] 0 pages HighMem/MovableOnly [ 729.930444] 313617 pages reserved [ 729.981125] syz-executor.0: page allocation stalls for 150040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 729.981135] CPU: 0 PID: 2362 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 729.981151] ffff88000cbd77c0 ffffffff81b42e79 1ffff1000197aefa ffff8801c75c4740 [ 729.981161] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000cbd7908 [ 729.981171] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 729.981173] Call Trace: [ 729.981191] [] dump_stack+0xc1/0x128 [ 729.981201] [] warn_alloc.cold.31+0x7f/0x9c [ 729.981212] [] ? zone_watermark_ok_safe+0x250/0x250 [ 729.981221] [] ? shrink_node+0x740/0x740 [ 729.981230] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 729.981239] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 729.981248] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 729.981258] [] ? check_preemption_disabled+0x3b/0x200 [ 729.981266] [] ? find_get_entry+0x11a/0x570 [ 729.981273] [] ? find_get_entry+0x141/0x570 [ 729.981280] [] ? page_cache_prev_hole+0x80/0x80 [ 729.981287] [] ? pagecache_get_page+0x131/0x710 [ 729.981295] [] filemap_fault+0xaf1/0x1110 [ 729.981305] [] ext4_filemap_fault+0x71/0xa0 [ 729.981313] [] __do_fault+0x223/0x500 [ 729.981320] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 729.981327] [] ? handle_mm_fault+0x1d4f/0x2350 [ 729.981334] [] handle_mm_fault+0x1326/0x2350 [ 729.981341] [] ? vm_insert_page+0x6f0/0x6f0 [ 729.981348] [] ? __might_fault+0x92/0x1d0 [ 729.981358] [] __do_page_fault+0x403/0xa60 [ 729.981367] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 729.981375] [] ? bad_area_access_error+0x3a0/0x3a0 [ 729.981385] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 729.981392] [] do_page_fault+0x27/0x30 [ 729.981401] [] page_fault+0x25/0x30 [ 729.981404] Mem-Info: [ 729.981422] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 729.981422] active_file:29 inactive_file:42 isolated_file:0 [ 729.981422] unevictable:0 dirty:0 writeback:0 unstable:0 [ 729.981422] slab_reclaimable:4571 slab_unreclaimable:56993 [ 729.981422] mapped:30 shmem:48 pagetables:365 bounce:0 [ 729.981422] free:5947 free_pcp:111 free_cma:0 [ 729.981435] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 729.981454] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 729.981482] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 729.981538] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 729.981580] 0 pages in swap cache [ 729.981585] Swap cache stats: add 0, delete 0, find 0/0 [ 729.981587] Free swap = 0kB [ 729.981589] Total swap = 0kB [ 729.981591] 1965979 pages RAM [ 729.981593] 0 pages HighMem/MovableOnly [ 729.981595] 313617 pages reserved [ 729.984580] syz-execprog: page allocation stalls for 150050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 84 printk messages dropped ** [ 730.180937] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 730.180955] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 730.180981] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 730.181037] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 730.181087] 0 pages in swap cache [ 730.181091] Swap cache stats: add 0, delete 0, find 0/0 [ 730.181093] Free swap = 0kB [ 730.181095] Total swap = 0kB [ 730.181097] 1965979 pages RAM ** 123 printk messages dropped ** [ 737.748974] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 737.748974] to free 108kB on behalf of 'cron' (1940) because [ 737.748974] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 737.748974] Free memory is -13716kB above reserved ** 92 printk messages dropped ** [ 739.334208] lowmem_reserve[]: 0 3505 3505 [ 739.334227] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 739.334283] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 739.334326] 0 pages in swap cache [ 739.334330] Swap cache stats: add 0, delete 0, find 0/0 [ 739.334332] Free swap = 0kB [ 739.334334] Total swap = 0kB [ 739.334337] 1965979 pages RAM [ 739.334339] 0 pages HighMem/MovableOnly [ 739.334341] 313617 pages reserved [ 739.352348] blkid: page allocation stalls for 160020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 739.352356] CPU: 1 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 739.352369] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 739.352380] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 739.352390] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 739.352391] Call Trace: [ 739.352403] [] dump_stack+0xc1/0x128 [ 739.352411] [] warn_alloc.cold.31+0x7f/0x9c [ 739.352419] [] ? zone_watermark_ok_safe+0x250/0x250 [ 739.352427] [] ? shrink_node+0x740/0x740 [ 739.352437] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 739.352445] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 739.352454] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 739.352462] [] ? check_preemption_disabled+0x3b/0x200 [ 739.352469] [] ? find_get_entry+0x11a/0x570 ** 33 printk messages dropped ** [ 739.352797] 1965979 pages RAM [ 739.352799] 0 pages HighMem/MovableOnly [ 739.352801] 313617 pages reserved [ 739.401863] blkid: page allocation stalls for 160050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 1 printk messages dropped ** [ 739.401890] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 739.401900] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 739.401910] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 739.401912] Call Trace: [ 739.401930] [] dump_stack+0xc1/0x128 [ 739.401941] [] warn_alloc.cold.31+0x7f/0x9c [ 739.401952] [] ? zone_watermark_ok_safe+0x250/0x250 [ 739.401961] [] ? shrink_node+0x740/0x740 [ 739.401970] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 739.401979] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 739.401988] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 739.401998] [] ? check_preemption_disabled+0x3b/0x200 [ 739.402005] [] ? find_get_entry+0x11a/0x570 [ 739.402012] [] ? find_get_entry+0x141/0x570 [ 739.402019] [] ? page_cache_prev_hole+0x80/0x80 [ 739.402028] [] ? autoremove_wake_function+0x40/0x40 [ 739.402035] [] ? pagecache_get_page+0x131/0x710 [ 739.402043] [] filemap_fault+0xaf1/0x1110 [ 739.402052] [] ext4_filemap_fault+0x71/0xa0 [ 739.402060] [] __do_fault+0x223/0x500 [ 739.402066] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 739.402074] [] ? handle_mm_fault+0x1d4f/0x2350 [ 739.402081] [] handle_mm_fault+0x1326/0x2350 [ 739.402088] [] ? vm_insert_page+0x6f0/0x6f0 [ 739.402095] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 739.402104] [] __do_page_fault+0x403/0xa60 [ 739.402112] [] ? bad_area_access_error+0x3a0/0x3a0 [ 739.402123] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.402130] [] do_page_fault+0x27/0x30 [ 739.402140] [] page_fault+0x25/0x30 [ 739.402143] Mem-Info: [ 739.402161] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 739.402161] active_file:29 inactive_file:42 isolated_file:0 [ 739.402161] unevictable:0 dirty:0 writeback:0 unstable:0 [ 739.402161] slab_reclaimable:4571 slab_unreclaimable:56993 [ 739.402161] mapped:30 shmem:48 pagetables:365 bounce:0 [ 739.402161] free:5947 free_pcp:111 free_cma:0 [ 739.402174] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 739.402192] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 739.402219] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 739.402274] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 739.402318] 0 pages in swap cache [ 739.402322] Swap cache stats: add 0, delete 0, find 0/0 [ 739.402324] Free swap = 0kB [ 739.402326] Total swap = 0kB [ 739.402328] 1965979 pages RAM [ 739.402330] 0 pages HighMem/MovableOnly [ 739.402332] 313617 pages reserved [ 739.768996] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 739.768996] to free 108kB on behalf of 'syz-executor.0' (2362) because [ 739.768996] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 739.768996] Free memory is -13716kB above reserved [ 739.769016] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 739.769016] to free 108kB on behalf of 'syz-execprog' (2155) because [ 739.769016] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 739.769016] Free memory is -13716kB above reserved [ 739.914195] syz-executor.3: page allocation stalls for 160010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 739.914205] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 739.914221] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 739.914232] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 739.914241] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 739.914243] Call Trace: [ 739.914262] [] dump_stack+0xc1/0x128 [ 739.914274] [] warn_alloc.cold.31+0x7f/0x9c [ 739.914284] [] ? zone_watermark_ok_safe+0x250/0x250 [ 739.914294] [] ? shrink_node+0x740/0x740 [ 739.914303] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 739.914311] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 739.914320] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 739.914328] [] ? check_preemption_disabled+0x3b/0x200 [ 739.914336] [] ? find_get_entry+0x11a/0x570 [ 739.914343] [] ? find_get_entry+0x141/0x570 [ 739.914350] [] ? page_cache_prev_hole+0x80/0x80 [ 739.914358] [] ? pagecache_get_page+0x131/0x710 [ 739.914370] [] filemap_fault+0xaf1/0x1110 [ 739.914380] [] ext4_filemap_fault+0x71/0xa0 [ 739.914387] [] __do_fault+0x223/0x500 [ 739.914394] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 739.914401] [] ? handle_mm_fault+0x1d4f/0x2350 [ 739.914408] [] handle_mm_fault+0x1326/0x2350 [ 739.914416] [] ? vm_insert_page+0x6f0/0x6f0 [ 739.914422] [] ? __might_fault+0x92/0x1d0 [ 739.914433] [] __do_page_fault+0x403/0xa60 [ 739.914445] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 739.914452] [] ? bad_area_access_error+0x3a0/0x3a0 [ 739.914464] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.914471] [] do_page_fault+0x27/0x30 [ 739.914480] [] page_fault+0x25/0x30 [ 739.914484] Mem-Info: [ 739.914501] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 739.914501] active_file:29 inactive_file:42 isolated_file:0 [ 739.914501] unevictable:0 dirty:0 writeback:0 unstable:0 [ 739.914501] slab_reclaimable:4571 slab_unreclaimable:56993 [ 739.914501] mapped:30 shmem:48 pagetables:365 bounce:0 [ 739.914501] free:5947 free_pcp:111 free_cma:0 [ 739.914514] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 739.914533] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 739.914560] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 739.914615] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 739.914658] 0 pages in swap cache [ 739.914662] Swap cache stats: add 0, delete 0, find 0/0 [ 739.914664] Free swap = 0kB [ 739.914666] Total swap = 0kB [ 739.914669] 1965979 pages RAM [ 739.914671] 0 pages HighMem/MovableOnly [ 739.914673] 313617 pages reserved [ 739.946875] syz-execprog: page allocation stalls for 160010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 739.946884] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 739.946899] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 739.946909] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 739.946919] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 739.946921] Call Trace: [ 739.946934] [] dump_stack+0xc1/0x128 [ 739.946943] [] warn_alloc.cold.31+0x7f/0x9c [ 739.946951] [] ? zone_watermark_ok_safe+0x250/0x250 [ 739.946960] [] ? shrink_node+0x740/0x740 [ 739.946969] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 739.946978] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 739.946987] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 739.946995] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 739.947002] [] ? find_get_entry+0x11a/0x570 [ 739.947010] [] ? find_get_entry+0x141/0x570 [ 739.947017] [] ? page_cache_prev_hole+0x80/0x80 [ 739.947025] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 739.947033] [] ? pagecache_get_page+0x131/0x710 [ 739.947040] [] filemap_fault+0xaf1/0x1110 [ 739.947048] [] ext4_filemap_fault+0x71/0xa0 [ 739.947055] [] __do_fault+0x223/0x500 [ 739.947062] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 739.947070] [] ? generic_file_readonly_mmap+0x190/0x190 [ 739.947077] [] handle_mm_fault+0x1326/0x2350 [ 739.947085] [] ? vm_insert_page+0x6f0/0x6f0 [ 739.947094] [] ? kvm_clock_read+0x23/0x40 [ 739.947101] [] ? kvm_clock_get_cycles+0x9/0x10 [ 739.947109] [] __do_page_fault+0x403/0xa60 [ 739.947116] [] ? bad_area_access_error+0x3a0/0x3a0 [ 739.947126] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.947133] [] do_page_fault+0x27/0x30 [ 739.947141] [] page_fault+0x25/0x30 ** 102 printk messages dropped ** [ 740.202227] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 740.202254] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 740.202309] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB ** 96 printk messages dropped ** [ 741.783852] [] kthread+0x26d/0x300 ** 31 printk messages dropped ** [ 745.828967] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 745.828967] to free 108kB on behalf of 'syz-executor.0' (2362) because [ 745.828967] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 745.828967] Free memory is -13716kB above reserved [ 745.828979] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 745.828979] to free 108kB on behalf of 'kworker/1:1' (22) because [ 745.828979] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 745.828979] Free memory is -13716kB above reserved ** 99 printk messages dropped ** [ 749.347638] lowmem_reserve[]: 0 0 0 [ 749.347682] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 749.347720] 0 pages in swap cache [ 749.347724] Swap cache stats: add 0, delete 0, find 0/0 [ 749.347726] Free swap = 0kB [ 749.347728] Total swap = 0kB [ 749.347730] 1965979 pages RAM [ 749.347732] 0 pages HighMem/MovableOnly [ 749.347734] 313617 pages reserved [ 749.350583] syz-executor.0: page allocation stalls for 170030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 749.350590] CPU: 1 PID: 2182 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 749.350602] ffff8801c9e677c0 ffffffff81b42e79 1ffff100393ccefa ffff8801c9c8af80 [ 749.350612] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9e67908 [ 749.350626] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 749.350628] Call Trace: [ 749.350637] [] dump_stack+0xc1/0x128 [ 749.350645] [] warn_alloc.cold.31+0x7f/0x9c [ 749.350653] [] ? zone_watermark_ok_safe+0x250/0x250 [ 749.350661] [] ? shrink_node+0x740/0x740 [ 749.350670] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 749.350678] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 749.350690] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 749.350698] [] ? check_preemption_disabled+0x3b/0x200 [ 749.350706] [] ? find_get_entry+0x11a/0x570 [ 749.350712] [] ? find_get_entry+0x141/0x570 [ 749.350719] [] ? page_cache_prev_hole+0x80/0x80 [ 749.350727] [] ? pagecache_get_page+0x131/0x710 ** 35 printk messages dropped ** [ 749.360187] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 749.360189] Call Trace: [ 749.360199] [] dump_stack+0xc1/0x128 [ 749.360212] [] warn_alloc.cold.31+0x7f/0x9c [ 749.360221] [] ? zone_watermark_ok_safe+0x250/0x250 ** 3 printk messages dropped ** [ 749.360256] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 749.360264] [] ? check_preemption_disabled+0x3b/0x200 [ 749.360271] [] ? find_get_entry+0x11a/0x570 [ 749.360278] [] ? find_get_entry+0x141/0x570 [ 749.360285] [] ? page_cache_prev_hole+0x80/0x80 [ 749.360294] [] ? autoremove_wake_function+0x40/0x40 [ 749.360301] [] ? pagecache_get_page+0x131/0x710 [ 749.360309] [] filemap_fault+0xaf1/0x1110 [ 749.360317] [] ext4_filemap_fault+0x71/0xa0 [ 749.360323] [] __do_fault+0x223/0x500 [ 749.360330] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 749.360338] [] ? handle_mm_fault+0x1d4f/0x2350 [ 749.360345] [] handle_mm_fault+0x1326/0x2350 [ 749.360352] [] ? vm_insert_page+0x6f0/0x6f0 [ 749.360359] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 749.360367] [] __do_page_fault+0x403/0xa60 [ 749.360375] [] ? bad_area_access_error+0x3a0/0x3a0 [ 749.360384] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 749.360391] [] do_page_fault+0x27/0x30 [ 749.360398] [] page_fault+0x25/0x30 [ 749.360401] Mem-Info: [ 749.360416] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 749.360416] active_file:29 inactive_file:42 isolated_file:0 [ 749.360416] unevictable:0 dirty:0 writeback:0 unstable:0 [ 749.360416] slab_reclaimable:4571 slab_unreclaimable:56993 [ 749.360416] mapped:30 shmem:48 pagetables:365 bounce:0 [ 749.360416] free:5947 free_pcp:111 free_cma:0 [ 749.360429] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 749.360447] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 749.360473] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 749.360527] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 749.360569] 0 pages in swap cache [ 749.360573] Swap cache stats: add 0, delete 0, find 0/0 [ 749.360575] Free swap = 0kB [ 749.360578] Total swap = 0kB [ 749.360580] 1965979 pages RAM [ 749.360582] 0 pages HighMem/MovableOnly [ 749.360584] 313617 pages reserved [ 749.868947] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 749.868947] to free 108kB on behalf of 'init' (1) because [ 749.868947] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 749.868947] Free memory is -13716kB above reserved [ 749.868958] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 749.868958] to free 108kB on behalf of 'blkid' (2361) because [ 749.868958] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 749.868958] Free memory is -13716kB above reserved [ 749.914871] syz-executor.3: page allocation stalls for 170010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 749.914880] CPU: 1 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 749.914897] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 749.914907] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 749.914917] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 749.914919] Call Trace: [ 749.914937] [] dump_stack+0xc1/0x128 [ 749.914949] [] warn_alloc.cold.31+0x7f/0x9c [ 749.914959] [] ? zone_watermark_ok_safe+0x250/0x250 [ 749.914969] [] ? shrink_node+0x740/0x740 [ 749.914978] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 749.914987] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 749.914996] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 749.915005] [] ? check_preemption_disabled+0x3b/0x200 [ 749.915013] [] ? find_get_entry+0x11a/0x570 [ 749.915020] [] ? find_get_entry+0x141/0x570 [ 749.915027] [] ? page_cache_prev_hole+0x80/0x80 [ 749.915034] [] ? pagecache_get_page+0x131/0x710 [ 749.915042] [] filemap_fault+0xaf1/0x1110 [ 749.915052] [] ext4_filemap_fault+0x71/0xa0 [ 749.915059] [] __do_fault+0x223/0x500 [ 749.915066] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 749.915073] [] ? handle_mm_fault+0x1d4f/0x2350 [ 749.915080] [] handle_mm_fault+0x1326/0x2350 [ 749.915088] [] ? vm_insert_page+0x6f0/0x6f0 [ 749.915094] [] ? __might_fault+0x92/0x1d0 [ 749.915104] [] __do_page_fault+0x403/0xa60 [ 749.915113] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 749.915121] [] ? bad_area_access_error+0x3a0/0x3a0 [ 749.915131] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 749.915138] [] do_page_fault+0x27/0x30 [ 749.915147] [] page_fault+0x25/0x30 [ 749.915151] Mem-Info: [ 749.915174] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 749.915174] active_file:29 inactive_file:42 isolated_file:0 [ 749.915174] unevictable:0 dirty:0 writeback:0 unstable:0 [ 749.915174] slab_reclaimable:4571 slab_unreclaimable:56993 [ 749.915174] mapped:30 shmem:48 pagetables:365 bounce:0 [ 749.915174] free:5947 free_pcp:111 free_cma:0 [ 749.915187] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 749.915205] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 749.915232] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 749.915288] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 749.915331] 0 pages in swap cache [ 749.915335] Swap cache stats: add 0, delete 0, find 0/0 [ 749.915337] Free swap = 0kB [ 749.915339] Total swap = 0kB [ 749.915342] 1965979 pages RAM [ 749.915344] 0 pages HighMem/MovableOnly [ 749.915346] 313617 pages reserved [ 749.948709] syz-execprog: page allocation stalls for 170010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 749.948718] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 749.948734] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 749.948744] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 749.948754] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 749.948756] Call Trace: [ 749.948772] [] dump_stack+0xc1/0x128 [ 749.948782] [] warn_alloc.cold.31+0x7f/0x9c [ 749.948792] [] ? zone_watermark_ok_safe+0x250/0x250 [ 749.948801] [] ? shrink_node+0x740/0x740 [ 749.948810] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 749.948818] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 749.948827] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 749.948836] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 749.948843] [] ? find_get_entry+0x11a/0x570 [ 749.948855] [] ? find_get_entry+0x141/0x570 [ 749.948861] [] ? page_cache_prev_hole+0x80/0x80 [ 749.948870] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 749.948877] [] ? pagecache_get_page+0x131/0x710 [ 749.948884] [] filemap_fault+0xaf1/0x1110 [ 749.948893] [] ext4_filemap_fault+0x71/0xa0 [ 749.948900] [] __do_fault+0x223/0x500 [ 749.948907] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 749.948915] [] ? generic_file_readonly_mmap+0x190/0x190 [ 749.948922] [] handle_mm_fault+0x1326/0x2350 [ 749.948929] [] ? vm_insert_page+0x6f0/0x6f0 [ 749.948940] [] ? kvm_clock_read+0x23/0x40 [ 749.948947] [] ? kvm_clock_get_cycles+0x9/0x10 [ 749.948956] [] __do_page_fault+0x403/0xa60 [ 749.948964] [] ? bad_area_access_error+0x3a0/0x3a0 ** 105 printk messages dropped ** [ 750.187220] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 750.187246] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 750.187301] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 750.187345] 0 pages in swap cache [ 750.187349] Swap cache stats: add 0, delete 0, find 0/0 [ 750.187351] Free swap = 0kB [ 750.187353] Total swap = 0kB [ 750.187355] 1965979 pages RAM ** 61 printk messages dropped ** [ 751.777080] [] warn_alloc.cold.31+0x7f/0x9c ** 60 printk messages dropped ** [ 755.928970] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 755.928970] to free 108kB on behalf of 'syz-executor.5' (2328) because [ 755.928970] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 755.928970] Free memory is -13716kB above reserved [ 756.938971] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 756.938971] to free 108kB on behalf of 'blkid' (2361) because [ 756.938971] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 756.938971] Free memory is -13716kB above reserved ** 94 printk messages dropped ** [ 759.344576] lowmem_reserve[]: 0 0 0 [ 759.344625] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 759.344668] 0 pages in swap cache [ 759.344672] Swap cache stats: add 0, delete 0, find 0/0 [ 759.344674] Free swap = 0kB [ 759.344676] Total swap = 0kB [ 759.344679] 1965979 pages RAM [ 759.344681] 0 pages HighMem/MovableOnly [ 759.344683] 313617 pages reserved [ 759.354156] blkid: page allocation stalls for 180020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 759.354164] CPU: 1 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 759.354178] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 759.354188] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 759.354198] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 759.354199] Call Trace: [ 759.354211] [] dump_stack+0xc1/0x128 [ 759.354220] [] warn_alloc.cold.31+0x7f/0x9c [ 759.354228] [] ? zone_watermark_ok_safe+0x250/0x250 [ 759.354236] [] ? shrink_node+0x740/0x740 [ 759.354245] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 759.354253] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 759.354262] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 759.354271] [] ? check_preemption_disabled+0x3b/0x200 [ 759.354278] [] ? find_get_entry+0x11a/0x570 [ 759.354285] [] ? find_get_entry+0x141/0x570 [ 759.354292] [] ? page_cache_prev_hole+0x80/0x80 [ 759.354301] [] ? autoremove_wake_function+0x40/0x40 [ 759.354308] [] ? pagecache_get_page+0x131/0x710 [ 759.354316] [] filemap_fault+0xaf1/0x1110 [ 759.354324] [] ext4_filemap_fault+0x71/0xa0 [ 759.354330] [] __do_fault+0x223/0x500 [ 759.354337] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 759.354344] [] ? handle_mm_fault+0x1d4f/0x2350 ** 9 printk messages dropped ** [ 759.354421] [] page_fault+0x25/0x30 ** 15 printk messages dropped ** [ 759.354610] 0 pages HighMem/MovableOnly [ 759.354613] 313617 pages reserved [ 759.374893] blkid: page allocation stalls for 180020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 759.374903] CPU: 0 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 759.374919] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 759.374929] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 ** 1 printk messages dropped ** [ 759.374941] Call Trace: [ 759.374960] [] dump_stack+0xc1/0x128 [ 759.374972] [] warn_alloc.cold.31+0x7f/0x9c [ 759.374983] [] ? zone_watermark_ok_safe+0x250/0x250 [ 759.374992] [] ? shrink_node+0x740/0x740 [ 759.375000] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 759.375015] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 759.375024] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 759.375033] [] ? check_preemption_disabled+0x3b/0x200 [ 759.375041] [] ? find_get_entry+0x11a/0x570 [ 759.375048] [] ? find_get_entry+0x141/0x570 [ 759.375055] [] ? page_cache_prev_hole+0x80/0x80 [ 759.375064] [] ? autoremove_wake_function+0x40/0x40 [ 759.375072] [] ? pagecache_get_page+0x131/0x710 [ 759.375079] [] filemap_fault+0xaf1/0x1110 [ 759.375089] [] ext4_filemap_fault+0x71/0xa0 [ 759.375097] [] __do_fault+0x223/0x500 [ 759.375104] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 759.375112] [] ? handle_mm_fault+0x1d4f/0x2350 [ 759.375119] [] handle_mm_fault+0x1326/0x2350 [ 759.375126] [] ? vm_insert_page+0x6f0/0x6f0 [ 759.375133] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 759.375144] [] __do_page_fault+0x403/0xa60 [ 759.375152] [] ? bad_area_access_error+0x3a0/0x3a0 [ 759.375163] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 759.375170] [] do_page_fault+0x27/0x30 [ 759.375179] [] page_fault+0x25/0x30 [ 759.375183] Mem-Info: [ 759.375201] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 759.375201] active_file:29 inactive_file:42 isolated_file:0 [ 759.375201] unevictable:0 dirty:0 writeback:0 unstable:0 [ 759.375201] slab_reclaimable:4571 slab_unreclaimable:56993 [ 759.375201] mapped:30 shmem:48 pagetables:365 bounce:0 [ 759.375201] free:5947 free_pcp:111 free_cma:0 [ 759.375214] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 759.375234] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 759.375260] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 759.375315] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 759.375358] 0 pages in swap cache [ 759.375362] Swap cache stats: add 0, delete 0, find 0/0 [ 759.375364] Free swap = 0kB [ 759.375366] Total swap = 0kB [ 759.375368] 1965979 pages RAM [ 759.375370] 0 pages HighMem/MovableOnly [ 759.375372] 313617 pages reserved [ 759.938153] syz-executor.3: page allocation stalls for 180030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 759.938163] CPU: 1 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 759.938179] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 759.938189] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 759.938199] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 759.938201] Call Trace: [ 759.938219] [] dump_stack+0xc1/0x128 [ 759.938231] [] warn_alloc.cold.31+0x7f/0x9c [ 759.938242] [] ? zone_watermark_ok_safe+0x250/0x250 [ 759.938251] [] ? shrink_node+0x740/0x740 [ 759.938260] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 759.938269] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 759.938278] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 759.938286] [] ? check_preemption_disabled+0x3b/0x200 [ 759.938294] [] ? find_get_entry+0x11a/0x570 [ 759.938301] [] ? find_get_entry+0x141/0x570 [ 759.938308] [] ? page_cache_prev_hole+0x80/0x80 [ 759.938316] [] ? pagecache_get_page+0x131/0x710 [ 759.938323] [] filemap_fault+0xaf1/0x1110 [ 759.938333] [] ext4_filemap_fault+0x71/0xa0 [ 759.938340] [] __do_fault+0x223/0x500 [ 759.938347] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 759.938354] [] ? handle_mm_fault+0x1d4f/0x2350 [ 759.938361] [] handle_mm_fault+0x1326/0x2350 [ 759.938368] [] ? vm_insert_page+0x6f0/0x6f0 [ 759.938375] [] ? __might_fault+0x92/0x1d0 [ 759.938384] [] __do_page_fault+0x403/0xa60 [ 759.938396] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 759.938403] [] ? bad_area_access_error+0x3a0/0x3a0 [ 759.938419] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 759.938426] [] do_page_fault+0x27/0x30 [ 759.938436] [] page_fault+0x25/0x30 [ 759.938440] Mem-Info: [ 759.938458] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 759.938458] active_file:29 inactive_file:42 isolated_file:0 [ 759.938458] unevictable:0 dirty:0 writeback:0 unstable:0 [ 759.938458] slab_reclaimable:4571 slab_unreclaimable:56993 [ 759.938458] mapped:30 shmem:48 pagetables:365 bounce:0 [ 759.938458] free:5947 free_pcp:111 free_cma:0 [ 759.938476] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 759.938495] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 759.938526] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 759.938582] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 759.938626] 0 pages in swap cache [ 759.938630] Swap cache stats: add 0, delete 0, find 0/0 [ 759.938632] Free swap = 0kB [ 759.938634] Total swap = 0kB [ 759.938636] 1965979 pages RAM [ 759.938639] 0 pages HighMem/MovableOnly [ 759.938641] 313617 pages reserved [ 759.951566] syz-execprog: page allocation stalls for 180020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 759.951573] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 759.951587] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 759.951598] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 759.951608] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 759.951609] Call Trace: [ 759.951620] [] dump_stack+0xc1/0x128 [ 759.951628] [] warn_alloc.cold.31+0x7f/0x9c [ 759.951637] [] ? zone_watermark_ok_safe+0x250/0x250 [ 759.951645] [] ? shrink_node+0x740/0x740 [ 759.951654] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 759.951662] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 759.951670] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 759.951680] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 759.951687] [] ? find_get_entry+0x11a/0x570 [ 759.951694] [] ? find_get_entry+0x141/0x570 [ 759.951701] [] ? page_cache_prev_hole+0x80/0x80 [ 759.951711] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 759.951718] [] ? pagecache_get_page+0x131/0x710 [ 759.951726] [] filemap_fault+0xaf1/0x1110 [ 759.951734] [] ext4_filemap_fault+0x71/0xa0 [ 759.951741] [] __do_fault+0x223/0x500 [ 759.951748] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 759.951756] [] ? generic_file_readonly_mmap+0x190/0x190 [ 759.951763] [] handle_mm_fault+0x1326/0x2350 [ 759.951770] [] ? vm_insert_page+0x6f0/0x6f0 [ 759.951778] [] ? kvm_clock_read+0x23/0x40 [ 759.951786] [] ? kvm_clock_get_cycles+0x9/0x10 [ 759.951794] [] __do_page_fault+0x403/0xa60 [ 759.951802] [] ? bad_area_access_error+0x3a0/0x3a0 [ 759.951810] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 759.951817] [] do_page_fault+0x27/0x30 [ 759.951825] [] page_fault+0x25/0x30 [ 759.951828] Mem-Info: [ 759.951844] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 759.951844] active_file:29 inactive_file:42 isolated_file:0 [ 759.951844] unevictable:0 dirty:0 writeback:0 unstable:0 [ 759.951844] slab_reclaimable:4571 slab_unreclaimable:56993 [ 759.951844] mapped:30 shmem:48 pagetables:365 bounce:0 [ 759.951844] free:5947 free_pcp:111 free_cma:0 ** 103 printk messages dropped ** [ 760.178258] lowmem_reserve[]: 0 3505 3505 [ 760.178276] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 760.178332] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 760.178375] 0 pages in swap cache [ 760.178379] Swap cache stats: add 0, delete 0, find 0/0 ** 126 printk messages dropped ** [ 767.038988] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 767.038988] to free 108kB on behalf of 'udevd' (595) because [ 767.038988] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 767.038988] Free memory is -13716kB above reserved ** 92 printk messages dropped ** [ 769.342179] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 2 printk messages dropped ** [ 769.342213] lowmem_reserve[]: 0 0 0 [ 769.342261] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 769.342305] 0 pages in swap cache [ 769.342309] Swap cache stats: add 0, delete 0, find 0/0 [ 769.342316] Free swap = 0kB [ 769.342318] Total swap = 0kB [ 769.342321] 1965979 pages RAM [ 769.342323] 0 pages HighMem/MovableOnly [ 769.342325] 313617 pages reserved [ 769.361689] blkid: page allocation stalls for 190030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 769.361697] CPU: 1 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 769.361712] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 769.361722] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 769.361732] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 769.361734] Call Trace: [ 769.361747] [] dump_stack+0xc1/0x128 [ 769.361756] [] warn_alloc.cold.31+0x7f/0x9c [ 769.361765] [] ? zone_watermark_ok_safe+0x250/0x250 [ 769.361774] [] ? shrink_node+0x740/0x740 [ 769.361783] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 769.361792] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 769.361801] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 769.361815] [] ? check_preemption_disabled+0x3b/0x200 [ 769.361823] [] ? find_get_entry+0x11a/0x570 [ 769.361830] [] ? find_get_entry+0x141/0x570 [ 769.361837] [] ? page_cache_prev_hole+0x80/0x80 [ 769.361846] [] ? autoremove_wake_function+0x40/0x40 [ 769.361853] [] ? pagecache_get_page+0x131/0x710 ** 14 printk messages dropped ** [ 769.361970] [] page_fault+0x25/0x30 ** 15 printk messages dropped ** [ 769.362160] 0 pages HighMem/MovableOnly [ 769.362162] 313617 pages reserved [ 769.363333] blkid: page allocation stalls for 190010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 769.363339] CPU: 0 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 769.363351] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 769.363361] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 ** 1 printk messages dropped ** [ 769.363373] Call Trace: [ 769.363382] [] dump_stack+0xc1/0x128 [ 769.363389] [] warn_alloc.cold.31+0x7f/0x9c [ 769.363398] [] ? zone_watermark_ok_safe+0x250/0x250 [ 769.363405] [] ? shrink_node+0x740/0x740 [ 769.363414] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 769.363421] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 769.363430] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 769.363438] [] ? check_preemption_disabled+0x3b/0x200 [ 769.363445] [] ? find_get_entry+0x11a/0x570 [ 769.363452] [] ? find_get_entry+0x141/0x570 [ 769.363459] [] ? page_cache_prev_hole+0x80/0x80 [ 769.363467] [] ? autoremove_wake_function+0x40/0x40 [ 769.363474] [] ? pagecache_get_page+0x131/0x710 [ 769.363482] [] filemap_fault+0xaf1/0x1110 [ 769.363490] [] ext4_filemap_fault+0x71/0xa0 [ 769.363496] [] __do_fault+0x223/0x500 [ 769.363503] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 769.363510] [] ? handle_mm_fault+0x1d4f/0x2350 [ 769.363518] [] handle_mm_fault+0x1326/0x2350 [ 769.363525] [] ? vm_insert_page+0x6f0/0x6f0 [ 769.363532] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 769.363540] [] __do_page_fault+0x403/0xa60 [ 769.363548] [] ? bad_area_access_error+0x3a0/0x3a0 [ 769.363556] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 769.363563] [] do_page_fault+0x27/0x30 [ 769.363570] [] page_fault+0x25/0x30 [ 769.363573] Mem-Info: [ 769.363588] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 769.363588] active_file:29 inactive_file:42 isolated_file:0 [ 769.363588] unevictable:0 dirty:0 writeback:0 unstable:0 [ 769.363588] slab_reclaimable:4571 slab_unreclaimable:56993 [ 769.363588] mapped:30 shmem:48 pagetables:365 bounce:0 [ 769.363588] free:5947 free_pcp:111 free_cma:0 [ 769.363601] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 769.363618] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 769.363645] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 769.363699] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 769.363741] 0 pages in swap cache [ 769.363745] Swap cache stats: add 0, delete 0, find 0/0 [ 769.363747] Free swap = 0kB [ 769.363749] Total swap = 0kB [ 769.363752] 1965979 pages RAM [ 769.363754] 0 pages HighMem/MovableOnly [ 769.363756] 313617 pages reserved [ 769.930881] syz-executor.3: page allocation stalls for 190030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 769.930891] CPU: 1 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 769.930907] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 769.930917] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 769.930928] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 769.930929] Call Trace: [ 769.930948] [] dump_stack+0xc1/0x128 [ 769.930960] [] warn_alloc.cold.31+0x7f/0x9c [ 769.930970] [] ? zone_watermark_ok_safe+0x250/0x250 [ 769.930980] [] ? shrink_node+0x740/0x740 [ 769.930989] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 769.930998] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 769.931007] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 769.931016] [] ? check_preemption_disabled+0x3b/0x200 [ 769.931023] [] ? find_get_entry+0x11a/0x570 [ 769.931031] [] ? find_get_entry+0x141/0x570 [ 769.931038] [] ? page_cache_prev_hole+0x80/0x80 [ 769.931045] [] ? pagecache_get_page+0x131/0x710 [ 769.931053] [] filemap_fault+0xaf1/0x1110 [ 769.931062] [] ext4_filemap_fault+0x71/0xa0 [ 769.931069] [] __do_fault+0x223/0x500 [ 769.931076] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 769.931084] [] ? handle_mm_fault+0x1d4f/0x2350 [ 769.931091] [] handle_mm_fault+0x1326/0x2350 [ 769.931098] [] ? vm_insert_page+0x6f0/0x6f0 [ 769.931105] [] ? __might_fault+0x92/0x1d0 [ 769.931114] [] __do_page_fault+0x403/0xa60 [ 769.931124] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 769.931132] [] ? bad_area_access_error+0x3a0/0x3a0 [ 769.931141] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 769.931148] [] do_page_fault+0x27/0x30 [ 769.931157] [] page_fault+0x25/0x30 [ 769.931161] Mem-Info: [ 769.931178] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 769.931178] active_file:29 inactive_file:42 isolated_file:0 [ 769.931178] unevictable:0 dirty:0 writeback:0 unstable:0 [ 769.931178] slab_reclaimable:4571 slab_unreclaimable:56993 [ 769.931178] mapped:30 shmem:48 pagetables:365 bounce:0 [ 769.931178] free:5947 free_pcp:111 free_cma:0 [ 769.931191] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 769.931313] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 769.931338] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 769.931394] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 769.931437] 0 pages in swap cache [ 769.931442] Swap cache stats: add 0, delete 0, find 0/0 [ 769.931444] Free swap = 0kB [ 769.931446] Total swap = 0kB [ 769.931448] 1965979 pages RAM [ 769.931451] 0 pages HighMem/MovableOnly [ 769.931453] 313617 pages reserved [ 769.946865] syz-execprog: page allocation stalls for 190010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 769.946873] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 769.946888] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 769.946898] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 769.946908] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 769.946910] Call Trace: [ 769.946924] [] dump_stack+0xc1/0x128 [ 769.946933] [] warn_alloc.cold.31+0x7f/0x9c [ 769.946943] [] ? zone_watermark_ok_safe+0x250/0x250 [ 769.946951] [] ? shrink_node+0x740/0x740 [ 769.946960] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 769.946969] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 769.946978] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 769.946987] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 769.946995] [] ? find_get_entry+0x11a/0x570 [ 769.947002] [] ? find_get_entry+0x141/0x570 [ 769.947009] [] ? page_cache_prev_hole+0x80/0x80 [ 769.947019] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 769.947026] [] ? pagecache_get_page+0x131/0x710 [ 769.947034] [] filemap_fault+0xaf1/0x1110 [ 769.947042] [] ext4_filemap_fault+0x71/0xa0 [ 769.947050] [] __do_fault+0x223/0x500 [ 769.947056] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 769.947065] [] ? generic_file_readonly_mmap+0x190/0x190 [ 769.947072] [] handle_mm_fault+0x1326/0x2350 [ 769.947079] [] ? vm_insert_page+0x6f0/0x6f0 [ 769.947087] [] ? kvm_clock_read+0x23/0x40 [ 769.947095] [] ? kvm_clock_get_cycles+0x9/0x10 [ 769.947103] [] __do_page_fault+0x403/0xa60 [ 769.947111] [] ? bad_area_access_error+0x3a0/0x3a0 [ 769.947120] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 769.947127] [] do_page_fault+0x27/0x30 [ 769.947134] [] page_fault+0x25/0x30 [ 769.947138] Mem-Info: [ 769.947154] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 769.947154] active_file:29 inactive_file:42 isolated_file:0 [ 769.947154] unevictable:0 dirty:0 writeback:0 unstable:0 [ 769.947154] slab_reclaimable:4571 slab_unreclaimable:56993 [ 769.947154] mapped:30 shmem:48 pagetables:365 bounce:0 [ 769.947154] free:5947 free_pcp:111 free_cma:0 [ 769.947167] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 769.947185] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 769.947211] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB ** 49 printk messages dropped ** [ 769.964317] lowmem_reserve[]: 0 0 0 ** 56 printk messages dropped ** [ 770.192260] ffff8801cfeb8000lowmem_reserve[]: [ 770.192264] 0 ffffffff82a97480 [ 770.192267] 3505 0000000000000001 3505 0000000000400000 ffff8801cffaf908Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB ** 69 printk messages dropped ** [ 770.192520] (MH) DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB ** 108 printk messages dropped ** [ 775.118965] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 775.118965] to free 108kB on behalf of 'kthreadd' (2) because [ 775.118965] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 775.118965] Free memory is -13716kB above reserved ** 92 printk messages dropped ** [ 779.359841] CPU: 1 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 ** 6 printk messages dropped ** [ 779.359898] [] ? zone_watermark_ok_safe+0x250/0x250 [ 779.359905] [] ? shrink_node+0x740/0x740 [ 779.359914] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 779.359920] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 779.359929] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 779.359937] [] ? check_preemption_disabled+0x3b/0x200 [ 779.359944] [] ? find_get_entry+0x11a/0x570 [ 779.359950] [] ? find_get_entry+0x141/0x570 [ 779.359956] [] ? page_cache_prev_hole+0x80/0x80 [ 779.359965] [] ? autoremove_wake_function+0x40/0x40 [ 779.359972] [] ? pagecache_get_page+0x131/0x710 [ 779.359979] [] filemap_fault+0xaf1/0x1110 [ 779.359986] [] ext4_filemap_fault+0x71/0xa0 [ 779.359993] [] __do_fault+0x223/0x500 [ 779.359999] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 779.360006] [] ? handle_mm_fault+0x1d4f/0x2350 [ 779.360013] [] handle_mm_fault+0x1326/0x2350 [ 779.360020] [] ? vm_insert_page+0x6f0/0x6f0 [ 779.360026] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 779.360034] [] ? kmem_cache_free+0x28f/0x310 [ 779.360041] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 779.360049] [] __do_page_fault+0x403/0xa60 [ 779.360056] [] ? bad_area_access_error+0x3a0/0x3a0 [ 779.360065] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 779.360071] [] do_page_fault+0x27/0x30 [ 779.360077] [] page_fault+0x25/0x30 [ 779.360081] Mem-Info: [ 779.360096] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 779.360096] active_file:29 inactive_file:42 isolated_file:0 [ 779.360096] unevictable:0 dirty:0 writeback:0 unstable:0 [ 779.360096] slab_reclaimable:4571 slab_unreclaimable:56993 [ 779.360096] mapped:30 shmem:48 pagetables:365 bounce:0 [ 779.360096] free:5947 free_pcp:111 free_cma:0 [ 779.360109] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 24 printk messages dropped ** [ 779.391086] 0 pages in swap cache [ 779.391090] Swap cache stats: add 0, delete 0, find 0/0 [ 779.391092] Free swap = 0kB [ 779.391094] Total swap = 0kB [ 779.391097] 1965979 pages RAM [ 779.391099] 0 pages HighMem/MovableOnly [ 779.391101] 313617 pages reserved [ 779.406156] blkid: page allocation stalls for 200050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 779.406166] CPU: 1 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 779.406182] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 779.406193] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 779.406202] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 779.406204] Call Trace: [ 779.406222] [] dump_stack+0xc1/0x128 [ 779.406233] [] warn_alloc.cold.31+0x7f/0x9c [ 779.406245] [] ? zone_watermark_ok_safe+0x250/0x250 [ 779.406254] [] ? shrink_node+0x740/0x740 [ 779.406263] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 779.406272] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 779.406280] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 779.406290] [] ? check_preemption_disabled+0x3b/0x200 [ 779.406298] [] ? find_get_entry+0x11a/0x570 [ 779.406305] [] ? find_get_entry+0x141/0x570 [ 779.406312] [] ? page_cache_prev_hole+0x80/0x80 [ 779.406322] [] ? autoremove_wake_function+0x40/0x40 [ 779.406330] [] ? pagecache_get_page+0x131/0x710 [ 779.406338] [] filemap_fault+0xaf1/0x1110 [ 779.406347] [] ext4_filemap_fault+0x71/0xa0 [ 779.406354] [] __do_fault+0x223/0x500 [ 779.406361] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 779.406368] [] ? handle_mm_fault+0x1d4f/0x2350 [ 779.406376] [] handle_mm_fault+0x1326/0x2350 [ 779.406383] [] ? vm_insert_page+0x6f0/0x6f0 [ 779.406390] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 779.406400] [] __do_page_fault+0x403/0xa60 [ 779.406407] [] ? bad_area_access_error+0x3a0/0x3a0 [ 779.406417] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 779.406424] [] do_page_fault+0x27/0x30 [ 779.406433] [] page_fault+0x25/0x30 [ 779.406437] Mem-Info: [ 779.406453] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 779.406453] active_file:29 inactive_file:42 isolated_file:0 [ 779.406453] unevictable:0 dirty:0 writeback:0 unstable:0 [ 779.406453] slab_reclaimable:4571 slab_unreclaimable:56993 [ 779.406453] mapped:30 shmem:48 pagetables:365 bounce:0 [ 779.406453] free:5947 free_pcp:111 free_cma:0 [ 779.406467] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 779.406485] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 779.406511] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 779.406565] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 779.406608] 0 pages in swap cache [ 779.406611] Swap cache stats: add 0, delete 0, find 0/0 [ 779.406613] Free swap = 0kB [ 779.406616] Total swap = 0kB [ 779.406618] 1965979 pages RAM [ 779.406620] 0 pages HighMem/MovableOnly [ 779.406622] 313617 pages reserved [ 779.918773] syz-executor.3: page allocation stalls for 200010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 779.918782] CPU: 1 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 779.918798] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 779.918807] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 779.918817] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 779.918818] Call Trace: [ 779.918837] [] dump_stack+0xc1/0x128 [ 779.918852] [] warn_alloc.cold.31+0x7f/0x9c [ 779.918862] [] ? zone_watermark_ok_safe+0x250/0x250 [ 779.918871] [] ? shrink_node+0x740/0x740 [ 779.918879] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 779.918888] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 779.918896] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 779.918906] [] ? check_preemption_disabled+0x3b/0x200 [ 779.918913] [] ? find_get_entry+0x11a/0x570 [ 779.918919] [] ? find_get_entry+0x141/0x570 [ 779.918926] [] ? page_cache_prev_hole+0x80/0x80 [ 779.918932] [] ? pagecache_get_page+0x131/0x710 [ 779.918940] [] filemap_fault+0xaf1/0x1110 [ 779.918949] [] ext4_filemap_fault+0x71/0xa0 [ 779.918956] [] __do_fault+0x223/0x500 [ 779.918962] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 779.918969] [] ? handle_mm_fault+0x1d4f/0x2350 [ 779.918975] [] handle_mm_fault+0x1326/0x2350 [ 779.918982] [] ? vm_insert_page+0x6f0/0x6f0 [ 779.918988] [] ? __might_fault+0x92/0x1d0 [ 779.918997] [] __do_page_fault+0x403/0xa60 [ 779.919006] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 779.919013] [] ? bad_area_access_error+0x3a0/0x3a0 [ 779.919022] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 779.919028] [] do_page_fault+0x27/0x30 [ 779.919036] [] page_fault+0x25/0x30 [ 779.947842] syz-execprog: page allocation stalls for 200010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 779.947851] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 779.947865] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 779.947875] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 779.947885] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 779.947887] Call Trace: [ 779.947901] [] dump_stack+0xc1/0x128 [ 779.947911] [] warn_alloc.cold.31+0x7f/0x9c [ 779.947920] [] ? zone_watermark_ok_safe+0x250/0x250 [ 779.947929] [] ? shrink_node+0x740/0x740 [ 779.947938] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 779.947946] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 779.947955] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 779.947964] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 779.947972] [] ? find_get_entry+0x11a/0x570 [ 779.947979] [] ? find_get_entry+0x141/0x570 [ 779.947986] [] ? page_cache_prev_hole+0x80/0x80 [ 779.947996] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 779.948004] [] ? pagecache_get_page+0x131/0x710 [ 779.948011] [] filemap_fault+0xaf1/0x1110 [ 779.948020] [] ext4_filemap_fault+0x71/0xa0 [ 779.948027] [] __do_fault+0x223/0x500 [ 779.948033] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 779.948041] [] ? generic_file_readonly_mmap+0x190/0x190 [ 779.948049] [] handle_mm_fault+0x1326/0x2350 [ 779.948056] [] ? vm_insert_page+0x6f0/0x6f0 [ 779.948064] [] ? kvm_clock_read+0x23/0x40 [ 779.948071] [] ? kvm_clock_get_cycles+0x9/0x10 [ 779.948079] [] __do_page_fault+0x403/0xa60 [ 779.948087] [] ? bad_area_access_error+0x3a0/0x3a0 [ 779.948096] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 779.948103] [] do_page_fault+0x27/0x30 [ 779.948111] [] page_fault+0x25/0x30 [ 779.948115] Mem-Info: [ 779.948132] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 779.948132] active_file:29 inactive_file:42 isolated_file:0 [ 779.948132] unevictable:0 dirty:0 writeback:0 unstable:0 [ 779.948132] slab_reclaimable:4571 slab_unreclaimable:56993 [ 779.948132] mapped:30 shmem:48 pagetables:365 bounce:0 [ 779.948132] free:5947 free_pcp:111 free_cma:0 [ 779.948145] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 779.948164] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 779.948191] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 779.948246] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 779.948289] 0 pages in swap cache [ 779.948293] Swap cache stats: add 0, delete 0, find 0/0 [ 779.948295] Free swap = 0kB [ 779.948298] Total swap = 0kB [ 779.948300] 1965979 pages RAM [ 779.948302] 0 pages HighMem/MovableOnly [ 779.948304] 313617 pages reserved [ 779.948591] Mem-Info: [ 779.948606] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 779.948606] active_file:29 inactive_file:42 isolated_file:0 [ 779.948606] unevictable:0 dirty:0 writeback:0 unstable:0 [ 779.948606] slab_reclaimable:4571 slab_unreclaimable:56993 [ 779.948606] mapped:30 shmem:48 pagetables:365 bounce:0 [ 779.948606] free:5947 free_pcp:111 free_cma:0 [ 779.948618] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 779.948635] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 51 printk messages dropped ** [ 779.956778] lowmem_reserve[]: 0 0 0 ** 49 printk messages dropped ** [ 780.188346] lowmem_reserve[]: 0 3505 3505 ** 1 printk messages dropped ** [ 780.188371] lowmem_reserve[]: 0 0 0 [ 780.188420] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 780.188463] 0 pages in swap cache [ 780.188467] Swap cache stats: add 0, delete 0, find 0/0 [ 780.188470] Free swap = 0kB [ 780.188472] Total swap = 0kB [ 780.188474] 1965979 pages RAM [ 780.188476] 0 pages HighMem/MovableOnly [ 780.188478] 313617 pages reserved [ 780.194539] udevd: page allocation stalls for 140020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 38 printk messages dropped ** [ 780.194875] lowmem_reserve[]: 0 0 0 ** 82 printk messages dropped ** [ 788.248953] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 788.248953] to free 108kB on behalf of 'syz-execprog' (2155) because [ 788.248953] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 788.248953] Free memory is -13716kB above reserved [ 788.248979] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 788.248979] to free 108kB on behalf of 'kworker/1:1' (22) because [ 788.248979] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 788.248979] Free memory is -13716kB above reserved [ 789.149113] warn_alloc: 5 callbacks suppressed [ 789.149130] syz-execprog: page allocation stalls for 150030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 89 printk messages dropped ** [ 789.333186] lowmem_reserve[]: 0 3505 3505 [ 789.333204] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 789.333260] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 789.333303] 0 pages in swap cache [ 789.333307] Swap cache stats: add 0, delete 0, find 0/0 [ 789.333309] Free swap = 0kB [ 789.333311] Total swap = 0kB [ 789.333314] 1965979 pages RAM [ 789.333316] 0 pages HighMem/MovableOnly [ 789.333318] 313617 pages reserved [ 789.339378] blkid: page allocation stalls for 210010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 789.339385] CPU: 1 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 789.339398] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 789.339408] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 789.339423] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 789.339425] Call Trace: [ 789.339434] [] dump_stack+0xc1/0x128 [ 789.339442] [] warn_alloc.cold.31+0x7f/0x9c [ 789.339451] [] ? zone_watermark_ok_safe+0x250/0x250 [ 789.339459] [] ? shrink_node+0x740/0x740 [ 789.339468] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 789.339476] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 789.339485] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 789.339493] [] ? check_preemption_disabled+0x3b/0x200 [ 789.339501] [] ? find_get_entry+0x11a/0x570 [ 789.339508] [] ? find_get_entry+0x141/0x570 [ 789.339515] [] ? page_cache_prev_hole+0x80/0x80 [ 789.339525] [] ? autoremove_wake_function+0x40/0x40 [ 789.339532] [] ? pagecache_get_page+0x131/0x710 [ 789.339540] [] filemap_fault+0xaf1/0x1110 [ 789.339548] [] ext4_filemap_fault+0x71/0xa0 [ 789.339554] [] __do_fault+0x223/0x500 ** 34 printk messages dropped ** [ 789.368389] Call Trace: [ 789.368405] [] dump_stack+0xc1/0x128 [ 789.368415] [] warn_alloc.cold.31+0x7f/0x9c [ 789.368426] [] ? zone_watermark_ok_safe+0x250/0x250 [ 789.368434] [] ? shrink_node+0x740/0x740 [ 789.368444] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 789.368452] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 789.368460] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 789.368470] [] ? check_preemption_disabled+0x3b/0x200 [ 789.368478] [] ? find_get_entry+0x11a/0x570 [ 789.368485] [] ? find_get_entry+0x141/0x570 [ 789.368492] [] ? page_cache_prev_hole+0x80/0x80 [ 789.368501] [] ? autoremove_wake_function+0x40/0x40 [ 789.368509] [] ? pagecache_get_page+0x131/0x710 [ 789.368516] [] filemap_fault+0xaf1/0x1110 [ 789.368525] [] ext4_filemap_fault+0x71/0xa0 [ 789.368532] [] __do_fault+0x223/0x500 [ 789.368539] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 789.368547] [] ? handle_mm_fault+0x1d4f/0x2350 [ 789.368554] [] handle_mm_fault+0x1326/0x2350 [ 789.368561] [] ? vm_insert_page+0x6f0/0x6f0 [ 789.368568] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 789.368578] [] __do_page_fault+0x403/0xa60 [ 789.368585] [] ? bad_area_access_error+0x3a0/0x3a0 [ 789.368595] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 789.368602] [] do_page_fault+0x27/0x30 [ 789.368612] [] page_fault+0x25/0x30 [ 789.368615] Mem-Info: [ 789.368633] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 789.368633] active_file:29 inactive_file:42 isolated_file:0 [ 789.368633] unevictable:0 dirty:0 writeback:0 unstable:0 [ 789.368633] slab_reclaimable:4571 slab_unreclaimable:56993 [ 789.368633] mapped:30 shmem:48 pagetables:365 bounce:0 [ 789.368633] free:5947 free_pcp:111 free_cma:0 [ 789.368646] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 789.368665] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 789.368691] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 789.368754] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 789.368798] 0 pages in swap cache [ 789.368801] Swap cache stats: add 0, delete 0, find 0/0 [ 789.368803] Free swap = 0kB [ 789.368806] Total swap = 0kB [ 789.368808] 1965979 pages RAM [ 789.368810] 0 pages HighMem/MovableOnly [ 789.368812] 313617 pages reserved [ 789.927056] syz-executor.3: page allocation stalls for 210020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 789.927066] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 789.927083] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 789.927093] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 789.927103] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 789.927104] Call Trace: [ 789.927124] [] dump_stack+0xc1/0x128 [ 789.927136] [] warn_alloc.cold.31+0x7f/0x9c [ 789.927146] [] ? zone_watermark_ok_safe+0x250/0x250 [ 789.927155] [] ? shrink_node+0x740/0x740 [ 789.927164] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 789.927173] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 789.927181] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 789.927190] [] ? check_preemption_disabled+0x3b/0x200 [ 789.927198] [] ? find_get_entry+0x11a/0x570 [ 789.927205] [] ? find_get_entry+0x141/0x570 [ 789.927212] [] ? page_cache_prev_hole+0x80/0x80 [ 789.927219] [] ? pagecache_get_page+0x131/0x710 [ 789.927227] [] filemap_fault+0xaf1/0x1110 [ 789.927237] [] ext4_filemap_fault+0x71/0xa0 [ 789.927244] [] __do_fault+0x223/0x500 [ 789.927251] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 789.927259] [] ? handle_mm_fault+0x1d4f/0x2350 [ 789.927266] [] handle_mm_fault+0x1326/0x2350 [ 789.927273] [] ? vm_insert_page+0x6f0/0x6f0 [ 789.927280] [] ? __might_fault+0x92/0x1d0 [ 789.927290] [] __do_page_fault+0x403/0xa60 [ 789.927302] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 789.927309] [] ? bad_area_access_error+0x3a0/0x3a0 [ 789.927321] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 789.927328] [] do_page_fault+0x27/0x30 [ 789.927337] [] page_fault+0x25/0x30 [ 789.927341] Mem-Info: [ 789.927359] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 789.927359] active_file:29 inactive_file:42 isolated_file:0 [ 789.927359] unevictable:0 dirty:0 writeback:0 unstable:0 [ 789.927359] slab_reclaimable:4571 slab_unreclaimable:56993 [ 789.927359] mapped:30 shmem:48 pagetables:365 bounce:0 [ 789.927359] free:5947 free_pcp:111 free_cma:0 [ 789.927372] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 789.927390] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 789.927417] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 789.927473] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 789.927517] 0 pages in swap cache [ 789.927521] Swap cache stats: add 0, delete 0, find 0/0 [ 789.927523] Free swap = 0kB [ 789.927525] Total swap = 0kB [ 789.927527] 1965979 pages RAM [ 789.927529] 0 pages HighMem/MovableOnly [ 789.927531] 313617 pages reserved [ 789.942527] syz-execprog: page allocation stalls for 210010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 789.942535] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 789.942549] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 789.942560] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 789.942569] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 789.942571] Call Trace: [ 789.942583] [] dump_stack+0xc1/0x128 [ 789.942591] [] warn_alloc.cold.31+0x7f/0x9c [ 789.942599] [] ? zone_watermark_ok_safe+0x250/0x250 [ 789.942607] [] ? shrink_node+0x740/0x740 [ 789.942616] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 789.942624] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 789.942633] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 789.942642] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 789.942649] [] ? find_get_entry+0x11a/0x570 [ 789.942657] [] ? find_get_entry+0x141/0x570 [ 789.942664] [] ? page_cache_prev_hole+0x80/0x80 [ 789.942672] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 789.942679] [] ? pagecache_get_page+0x131/0x710 [ 789.942687] [] filemap_fault+0xaf1/0x1110 [ 789.942695] [] ext4_filemap_fault+0x71/0xa0 [ 789.942701] [] __do_fault+0x223/0x500 [ 789.942708] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 789.942716] [] ? generic_file_readonly_mmap+0x190/0x190 [ 789.942723] [] handle_mm_fault+0x1326/0x2350 [ 789.942730] [] ? vm_insert_page+0x6f0/0x6f0 [ 789.942738] [] ? kvm_clock_read+0x23/0x40 [ 789.942745] [] ? kvm_clock_get_cycles+0x9/0x10 [ 789.942754] [] __do_page_fault+0x403/0xa60 [ 789.942761] [] ? bad_area_access_error+0x3a0/0x3a0 [ 789.942770] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 789.942777] [] do_page_fault+0x27/0x30 [ 789.942785] [] page_fault+0x25/0x30 [ 789.942788] Mem-Info: [ 789.942804] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 789.942804] active_file:29 inactive_file:42 isolated_file:0 [ 789.942804] unevictable:0 dirty:0 writeback:0 unstable:0 [ 789.942804] slab_reclaimable:4571 slab_unreclaimable:56993 [ 789.942804] mapped:30 shmem:48 pagetables:365 bounce:0 [ 789.942804] free:5947 free_pcp:111 free_cma:0 [ 789.942817] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 789.942835] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 789.942861] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB ** 101 printk messages dropped ** [ 790.175342] Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB ** 8 printk messages dropped ** [ 790.196322] udevd: page allocation stalls for 150020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 790.196330] CPU: 0 PID: 595 Comm: udevd Not tainted 4.9.141+ #23 [ 790.196343] ffff8801cffaf7c0 ffffffff81b42e79 1ffff10039ff5efa ffff8801cfeb8000 ** 97 printk messages dropped ** [ 791.807489] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB ** 119 printk messages dropped ** [ 799.333847] Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 799.333852] 0 pages in swap cache [ 799.333856] Swap cache stats: add 0, delete 0, find 0/0 ** 6 printk messages dropped ** [ 799.361658] blkid: page allocation stalls for 220030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 799.361667] CPU: 1 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 799.361682] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 799.361692] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 799.361702] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 799.361703] Call Trace: [ 799.361725] [] dump_stack+0xc1/0x128 [ 799.361735] [] warn_alloc.cold.31+0x7f/0x9c [ 799.361744] [] ? zone_watermark_ok_safe+0x250/0x250 [ 799.361753] [] ? shrink_node+0x740/0x740 [ 799.361763] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 799.361771] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 799.361780] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 799.361790] [] ? check_preemption_disabled+0x3b/0x200 [ 799.361798] [] ? find_get_entry+0x11a/0x570 [ 799.361805] [] ? find_get_entry+0x141/0x570 [ 799.361812] [] ? page_cache_prev_hole+0x80/0x80 [ 799.361821] [] ? autoremove_wake_function+0x40/0x40 ** 46 printk messages dropped ** [ 799.390365] [] ? check_preemption_disabled+0x3b/0x200 [ 799.390372] [] ? find_get_entry+0x11a/0x570 [ 799.390379] [] ? find_get_entry+0x141/0x570 [ 799.390386] [] ? page_cache_prev_hole+0x80/0x80 [ 799.390395] [] ? autoremove_wake_function+0x40/0x40 [ 799.390403] [] ? pagecache_get_page+0x131/0x710 [ 799.390410] [] filemap_fault+0xaf1/0x1110 [ 799.390419] [] ext4_filemap_fault+0x71/0xa0 [ 799.390427] [] __do_fault+0x223/0x500 [ 799.390433] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 799.390441] [] ? handle_mm_fault+0x1d4f/0x2350 [ 799.390448] [] handle_mm_fault+0x1326/0x2350 [ 799.390455] [] ? vm_insert_page+0x6f0/0x6f0 [ 799.390463] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 799.390473] [] __do_page_fault+0x403/0xa60 [ 799.390480] [] ? bad_area_access_error+0x3a0/0x3a0 [ 799.390491] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 799.390498] [] do_page_fault+0x27/0x30 [ 799.390507] [] page_fault+0x25/0x30 [ 799.390510] Mem-Info: [ 799.390527] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 799.390527] active_file:29 inactive_file:42 isolated_file:0 [ 799.390527] unevictable:0 dirty:0 writeback:0 unstable:0 [ 799.390527] slab_reclaimable:4571 slab_unreclaimable:56993 [ 799.390527] mapped:30 shmem:48 pagetables:365 bounce:0 [ 799.390527] free:5947 free_pcp:111 free_cma:0 [ 799.390540] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 799.390560] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 799.390587] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 799.390642] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 799.390685] 0 pages in swap cache [ 799.390689] Swap cache stats: add 0, delete 0, find 0/0 [ 799.390691] Free swap = 0kB [ 799.390693] Total swap = 0kB [ 799.390696] 1965979 pages RAM [ 799.390698] 0 pages HighMem/MovableOnly [ 799.390700] 313617 pages reserved [ 799.913893] syz-executor.3: page allocation stalls for 220010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 799.913904] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 799.913921] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 799.913931] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 799.913941] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 799.913944] Call Trace: [ 799.913962] [] dump_stack+0xc1/0x128 [ 799.913974] [] warn_alloc.cold.31+0x7f/0x9c [ 799.913985] [] ? zone_watermark_ok_safe+0x250/0x250 [ 799.913994] [] ? shrink_node+0x740/0x740 [ 799.914003] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 799.914012] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 799.914021] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 799.914031] [] ? check_preemption_disabled+0x3b/0x200 [ 799.914039] [] ? find_get_entry+0x11a/0x570 [ 799.914046] [] ? find_get_entry+0x141/0x570 [ 799.914053] [] ? page_cache_prev_hole+0x80/0x80 [ 799.914061] [] ? pagecache_get_page+0x131/0x710 [ 799.914068] [] filemap_fault+0xaf1/0x1110 [ 799.914077] [] ext4_filemap_fault+0x71/0xa0 [ 799.914084] [] __do_fault+0x223/0x500 [ 799.914091] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 799.914098] [] ? handle_mm_fault+0x1d4f/0x2350 [ 799.914106] [] handle_mm_fault+0x1326/0x2350 [ 799.914113] [] ? vm_insert_page+0x6f0/0x6f0 [ 799.914120] [] ? __might_fault+0x92/0x1d0 [ 799.914130] [] __do_page_fault+0x403/0xa60 [ 799.914139] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 799.914147] [] ? bad_area_access_error+0x3a0/0x3a0 [ 799.914157] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 799.914164] [] do_page_fault+0x27/0x30 [ 799.914173] [] page_fault+0x25/0x30 [ 799.914177] Mem-Info: [ 799.914200] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 799.914200] active_file:29 inactive_file:42 isolated_file:0 [ 799.914200] unevictable:0 dirty:0 writeback:0 unstable:0 [ 799.914200] slab_reclaimable:4571 slab_unreclaimable:56993 [ 799.914200] mapped:30 shmem:48 pagetables:365 bounce:0 [ 799.914200] free:5947 free_pcp:111 free_cma:0 [ 799.914213] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 799.914232] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 799.914259] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 799.914315] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 799.914359] 0 pages in swap cache [ 799.914363] Swap cache stats: add 0, delete 0, find 0/0 [ 799.914365] Free swap = 0kB [ 799.914367] Total swap = 0kB [ 799.914369] 1965979 pages RAM [ 799.914371] 0 pages HighMem/MovableOnly [ 799.914374] 313617 pages reserved [ 799.988523] syz-execprog: page allocation stalls for 220050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 799.988532] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 799.988549] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 799.988559] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 799.988570] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 799.988571] Call Trace: [ 799.988590] [] dump_stack+0xc1/0x128 [ 799.988600] [] warn_alloc.cold.31+0x7f/0x9c [ 799.988610] [] ? zone_watermark_ok_safe+0x250/0x250 [ 799.988619] [] ? shrink_node+0x740/0x740 [ 799.988628] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 799.988637] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 799.988646] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 799.988655] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 799.988662] [] ? find_get_entry+0x11a/0x570 [ 799.988670] [] ? find_get_entry+0x141/0x570 [ 799.988676] [] ? page_cache_prev_hole+0x80/0x80 [ 799.988684] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 799.988690] [] ? pagecache_get_page+0x131/0x710 [ 799.988696] [] filemap_fault+0xaf1/0x1110 [ 799.988706] [] ext4_filemap_fault+0x71/0xa0 [ 799.988713] [] __do_fault+0x223/0x500 [ 799.988720] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 799.988728] [] ? generic_file_readonly_mmap+0x190/0x190 [ 799.988735] [] handle_mm_fault+0x1326/0x2350 [ 799.988742] [] ? vm_insert_page+0x6f0/0x6f0 [ 799.988754] [] ? kvm_clock_read+0x23/0x40 [ 799.988761] [] ? kvm_clock_get_cycles+0x9/0x10 [ 799.988770] [] __do_page_fault+0x403/0xa60 [ 799.988777] [] ? bad_area_access_error+0x3a0/0x3a0 [ 799.988789] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 799.988796] [] do_page_fault+0x27/0x30 [ 799.988804] [] page_fault+0x25/0x30 [ 799.988808] Mem-Info: [ 799.988825] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 799.988825] active_file:29 inactive_file:42 isolated_file:0 [ 799.988825] unevictable:0 dirty:0 writeback:0 unstable:0 [ 799.988825] slab_reclaimable:4571 slab_unreclaimable:56993 [ 799.988825] mapped:30 shmem:48 pagetables:365 bounce:0 [ 799.988825] free:5947 free_pcp:111 free_cma:0 [ 799.988838] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 799.988861] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 799.997824] syz-executor.0: page allocation stalls for 220050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 799.997832] CPU: 0 PID: 2362 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 799.997844] ffff88000cbd77c0 ffffffff81b42e79 1ffff1000197aefa ffff8801c75c4740 [ 799.997855] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000cbd7908 [ 799.997864] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 799.997866] Call Trace: [ 799.997877] [] dump_stack+0xc1/0x128 [ 799.997885] [] warn_alloc.cold.31+0x7f/0x9c [ 799.997893] [] ? zone_watermark_ok_safe+0x250/0x250 [ 799.997902] [] ? shrink_node+0x740/0x740 [ 799.997911] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 799.997919] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 799.997927] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 799.997937] [] ? check_preemption_disabled+0x3b/0x200 [ 799.997944] [] ? find_get_entry+0x11a/0x570 [ 799.997952] [] ? find_get_entry+0x141/0x570 [ 799.997959] [] ? page_cache_prev_hole+0x80/0x80 ** 49 printk messages dropped ** [ 800.211891] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 48 printk messages dropped ** [ 800.227302] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cffaf908 [ 800.227312] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 800.227314] Call Trace: [ 800.227326] [] dump_stack+0xc1/0x128 [ 800.227334] [] warn_alloc.cold.31+0x7f/0x9c [ 800.227343] [] ? zone_watermark_ok_safe+0x250/0x250 [ 800.227350] [] ? shrink_node+0x740/0x740 [ 800.227359] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 800.227367] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 800.227376] [] ? gfp_pfmemalloc_allowed+0x110/0x110 ** 116 printk messages dropped ** [ 809.136853] warn_alloc: 5 callbacks suppressed [ 809.136871] syz-execprog: page allocation stalls for 170010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 809.136881] CPU: 1 PID: 2155 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 809.136897] ffff8801cab877c0 ffffffff81b42e79 1ffff10039570efa ffff8801caec4740 ** 90 printk messages dropped ** [ 809.332005] 120 total pagecache pages [ 809.332008] 0 pages in swap cache [ 809.332012] Swap cache stats: add 0, delete 0, find 0/0 [ 809.332014] Free swap = 0kB [ 809.332016] Total swap = 0kB [ 809.332018] 1965979 pages RAM [ 809.332052] 0 pages HighMem/MovableOnly [ 809.332055] 313617 pages reserved [ 809.346999] blkid: page allocation stalls for 230010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 809.347006] CPU: 1 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 809.347026] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 809.347037] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 809.347046] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 809.347048] Call Trace: [ 809.347060] [] dump_stack+0xc1/0x128 [ 809.347068] [] warn_alloc.cold.31+0x7f/0x9c [ 809.347077] [] ? zone_watermark_ok_safe+0x250/0x250 [ 809.347085] [] ? shrink_node+0x740/0x740 [ 809.347094] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 809.347102] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 809.347111] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 809.347120] [] ? check_preemption_disabled+0x3b/0x200 [ 809.347127] [] ? find_get_entry+0x11a/0x570 [ 809.347135] [] ? find_get_entry+0x141/0x570 [ 809.347142] [] ? page_cache_prev_hole+0x80/0x80 [ 809.347151] [] ? autoremove_wake_function+0x40/0x40 [ 809.347158] [] ? pagecache_get_page+0x131/0x710 [ 809.347165] [] filemap_fault+0xaf1/0x1110 [ 809.347174] [] ext4_filemap_fault+0x71/0xa0 [ 809.347180] [] __do_fault+0x223/0x500 [ 809.347187] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 809.347194] [] ? handle_mm_fault+0x1d4f/0x2350 [ 809.347202] [] handle_mm_fault+0x1326/0x2350 ** 44 printk messages dropped ** [ 809.361348] [] ? pagecache_get_page+0x131/0x710 [ 809.361355] [] filemap_fault+0xaf1/0x1110 [ 809.361363] [] ext4_filemap_fault+0x71/0xa0 [ 809.361370] [] __do_fault+0x223/0x500 [ 809.361377] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 809.361384] [] ? handle_mm_fault+0x1d4f/0x2350 [ 809.361392] [] handle_mm_fault+0x1326/0x2350 [ 809.361399] [] ? vm_insert_page+0x6f0/0x6f0 [ 809.361406] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 809.361415] [] __do_page_fault+0x403/0xa60 [ 809.361422] [] ? bad_area_access_error+0x3a0/0x3a0 [ 809.361431] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 809.361438] [] do_page_fault+0x27/0x30 [ 809.361445] [] page_fault+0x25/0x30 [ 809.361449] Mem-Info: [ 809.361466] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 809.361466] active_file:29 inactive_file:42 isolated_file:0 [ 809.361466] unevictable:0 dirty:0 writeback:0 unstable:0 [ 809.361466] slab_reclaimable:4571 slab_unreclaimable:56993 [ 809.361466] mapped:30 shmem:48 pagetables:365 bounce:0 [ 809.361466] free:5947 free_pcp:111 free_cma:0 [ 809.361479] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 809.361497] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 809.361529] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 809.361583] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 809.361626] 0 pages in swap cache [ 809.361630] Swap cache stats: add 0, delete 0, find 0/0 [ 809.361632] Free swap = 0kB [ 809.361634] Total swap = 0kB [ 809.361636] 1965979 pages RAM [ 809.361638] 0 pages HighMem/MovableOnly [ 809.361641] 313617 pages reserved [ 809.459010] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 809.459010] to free 108kB on behalf of 'udevd' (593) because [ 809.459010] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 809.459010] Free memory is -13716kB above reserved [ 809.459026] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 809.459026] to free 108kB on behalf of 'kworker/1:2' (2183) because [ 809.459026] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 809.459026] Free memory is -13716kB above reserved [ 809.925936] syz-executor.3: page allocation stalls for 230020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 809.925947] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 809.925963] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 809.925974] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 809.925983] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 809.925984] Call Trace: [ 809.926004] [] dump_stack+0xc1/0x128 [ 809.926015] [] warn_alloc.cold.31+0x7f/0x9c [ 809.926026] [] ? zone_watermark_ok_safe+0x250/0x250 [ 809.926035] [] ? shrink_node+0x740/0x740 [ 809.926044] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 809.926053] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 809.926062] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 809.926072] [] ? check_preemption_disabled+0x3b/0x200 [ 809.926079] [] ? find_get_entry+0x11a/0x570 [ 809.926086] [] ? find_get_entry+0x141/0x570 [ 809.926093] [] ? page_cache_prev_hole+0x80/0x80 [ 809.926100] [] ? pagecache_get_page+0x131/0x710 [ 809.926108] [] filemap_fault+0xaf1/0x1110 [ 809.926118] [] ext4_filemap_fault+0x71/0xa0 [ 809.926125] [] __do_fault+0x223/0x500 [ 809.926132] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 809.926139] [] ? handle_mm_fault+0x1d4f/0x2350 [ 809.926146] [] handle_mm_fault+0x1326/0x2350 [ 809.926154] [] ? vm_insert_page+0x6f0/0x6f0 [ 809.926161] [] ? __might_fault+0x92/0x1d0 [ 809.926171] [] __do_page_fault+0x403/0xa60 [ 809.926180] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 809.926187] [] ? bad_area_access_error+0x3a0/0x3a0 [ 809.926199] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 809.926206] [] do_page_fault+0x27/0x30 [ 809.926214] [] page_fault+0x25/0x30 [ 809.926218] Mem-Info: [ 809.926236] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 809.926236] active_file:29 inactive_file:42 isolated_file:0 [ 809.926236] unevictable:0 dirty:0 writeback:0 unstable:0 [ 809.926236] slab_reclaimable:4571 slab_unreclaimable:56993 [ 809.926236] mapped:30 shmem:48 pagetables:365 bounce:0 [ 809.926236] free:5947 free_pcp:111 free_cma:0 [ 809.926249] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 809.926268] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 809.926294] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:324kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 809.926349] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 809.926392] 0 pages in swap cache [ 809.926396] Swap cache stats: add 0, delete 0, find 0/0 [ 809.926398] Free swap = 0kB [ 809.926400] Total swap = 0kB [ 809.926403] 1965979 pages RAM [ 809.926405] 0 pages HighMem/MovableOnly [ 809.926407] 313617 pages reserved [ 809.969062] syz-execprog: page allocation stalls for 230040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 809.969070] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 809.969086] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 809.969097] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 809.969107] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 809.969109] Call Trace: [ 809.969126] [] dump_stack+0xc1/0x128 [ 809.969137] [] warn_alloc.cold.31+0x7f/0x9c [ 809.969148] [] ? zone_watermark_ok_safe+0x250/0x250 [ 809.969157] [] ? shrink_node+0x740/0x740 [ 809.969166] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 809.969174] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 809.969183] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 809.969193] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 809.969200] [] ? find_get_entry+0x11a/0x570 [ 809.969207] [] ? find_get_entry+0x141/0x570 [ 809.969214] [] ? page_cache_prev_hole+0x80/0x80 [ 809.969223] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 809.969231] [] ? pagecache_get_page+0x131/0x710 [ 809.969238] [] filemap_fault+0xaf1/0x1110 [ 809.969248] [] ext4_filemap_fault+0x71/0xa0 [ 809.969255] [] __do_fault+0x223/0x500 ** 20 printk messages dropped ** [ 809.969525] 120 total pagecache pages ** 98 printk messages dropped ** [ 810.186614] 120 total pagecache pages [ 810.186617] 0 pages in swap cache [ 810.186621] Swap cache stats: add 0, delete 0, find 0/0 [ 810.186623] Free swap = 0kB [ 810.186625] Total swap = 0kB [ 810.186628] 1965979 pages RAM [ 810.186630] 0 pages HighMem/MovableOnly [ 810.186632] 313617 pages reserved [ 810.191868] udevd: page allocation stalls for 170020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 1 printk messages dropped ** [ 810.191889] ffff8801cffaf7c0 ffffffff81b42e79 1ffff10039ff5efa ffff8801cfeb8000 ** 124 printk messages dropped ** [ 818.548995] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 818.548995] to free 108kB on behalf of 'syz-executor.3' (2358) because [ 818.548995] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 818.548995] Free memory is -13716kB above reserved [ 819.130363] warn_alloc: 5 callbacks suppressed [ 819.130379] syz-execprog: page allocation stalls for 180010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) ** 91 printk messages dropped ** [ 819.346743] lowmem_reserve[]: 0 0 0 [ 819.346792] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 819.346835] 0 pages in swap cache [ 819.346839] Swap cache stats: add 0, delete 0, find 0/0 [ 819.346841] Free swap = 0kB [ 819.346843] Total swap = 0kB [ 819.346845] 1965979 pages RAM [ 819.346847] 0 pages HighMem/MovableOnly [ 819.346849] 313617 pages reserved [ 819.355861] syz-executor.0: page allocation stalls for 240030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 819.355869] CPU: 1 PID: 2182 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 819.355883] ffff8801c9e677c0 ffffffff81b42e79 1ffff100393ccefa ffff8801c9c8af80 [ 819.355893] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9e67908 [ 819.355903] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 819.355905] Call Trace: [ 819.355917] [] dump_stack+0xc1/0x128 [ 819.355925] [] warn_alloc.cold.31+0x7f/0x9c [ 819.355933] [] ? zone_watermark_ok_safe+0x250/0x250 [ 819.355941] [] ? shrink_node+0x740/0x740 [ 819.355950] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 819.355958] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 819.355967] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 819.355975] [] ? check_preemption_disabled+0x3b/0x200 [ 819.355983] [] ? find_get_entry+0x11a/0x570 [ 819.355990] [] ? find_get_entry+0x141/0x570 [ 819.355997] [] ? page_cache_prev_hole+0x80/0x80 [ 819.356004] [] ? pagecache_get_page+0x131/0x710 ** 45 printk messages dropped ** [ 819.382559] [] ? find_get_entry+0x11a/0x570 [ 819.382566] [] ? find_get_entry+0x141/0x570 [ 819.382573] [] ? page_cache_prev_hole+0x80/0x80 [ 819.382583] [] ? autoremove_wake_function+0x40/0x40 [ 819.382591] [] ? pagecache_get_page+0x131/0x710 [ 819.382599] [] filemap_fault+0xaf1/0x1110 [ 819.382609] [] ext4_filemap_fault+0x71/0xa0 [ 819.382616] [] __do_fault+0x223/0x500 [ 819.382623] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 819.382630] [] ? handle_mm_fault+0x1d4f/0x2350 [ 819.382638] [] handle_mm_fault+0x1326/0x2350 [ 819.382645] [] ? vm_insert_page+0x6f0/0x6f0 [ 819.382652] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 819.382662] [] __do_page_fault+0x403/0xa60 [ 819.382669] [] ? bad_area_access_error+0x3a0/0x3a0 [ 819.382679] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 819.382686] [] do_page_fault+0x27/0x30 [ 819.382695] [] page_fault+0x25/0x30 [ 819.382698] Mem-Info: [ 819.382716] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 819.382716] active_file:29 inactive_file:42 isolated_file:0 [ 819.382716] unevictable:0 dirty:0 writeback:0 unstable:0 [ 819.382716] slab_reclaimable:4571 slab_unreclaimable:56993 [ 819.382716] mapped:30 shmem:48 pagetables:365 bounce:0 [ 819.382716] free:5947 free_pcp:110 free_cma:0 [ 819.382729] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 819.382748] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 819.382775] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 819.382835] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 819.382878] 0 pages in swap cache [ 819.382882] Swap cache stats: add 0, delete 0, find 0/0 [ 819.382884] Free swap = 0kB [ 819.382886] Total swap = 0kB [ 819.382889] 1965979 pages RAM [ 819.382891] 0 pages HighMem/MovableOnly [ 819.382893] 313617 pages reserved [ 819.558957] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 819.558957] to free 108kB on behalf of 'syz-execprog' (2155) because [ 819.558957] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 819.558957] Free memory is -13716kB above reserved [ 819.558968] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 819.558968] to free 108kB on behalf of 'syz-executor.0' (2362) because [ 819.558968] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 819.558968] Free memory is -13716kB above reserved [ 819.927274] syz-executor.3: page allocation stalls for 240020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 819.927284] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 819.927302] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 819.927311] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 819.927321] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 819.927323] Call Trace: [ 819.927342] [] dump_stack+0xc1/0x128 [ 819.927354] [] warn_alloc.cold.31+0x7f/0x9c [ 819.927365] [] ? zone_watermark_ok_safe+0x250/0x250 [ 819.927374] [] ? shrink_node+0x740/0x740 [ 819.927383] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 819.927391] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 819.927399] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 819.927409] [] ? check_preemption_disabled+0x3b/0x200 [ 819.927416] [] ? find_get_entry+0x11a/0x570 [ 819.927423] [] ? find_get_entry+0x141/0x570 [ 819.927430] [] ? page_cache_prev_hole+0x80/0x80 [ 819.927437] [] ? pagecache_get_page+0x131/0x710 [ 819.927445] [] filemap_fault+0xaf1/0x1110 [ 819.927455] [] ext4_filemap_fault+0x71/0xa0 [ 819.927463] [] __do_fault+0x223/0x500 [ 819.927469] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 819.927477] [] ? handle_mm_fault+0x1d4f/0x2350 [ 819.927485] [] handle_mm_fault+0x1326/0x2350 [ 819.927492] [] ? vm_insert_page+0x6f0/0x6f0 [ 819.927499] [] ? __might_fault+0x92/0x1d0 [ 819.927510] [] __do_page_fault+0x403/0xa60 [ 819.927521] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 819.927529] [] ? bad_area_access_error+0x3a0/0x3a0 [ 819.927541] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 819.927548] [] do_page_fault+0x27/0x30 [ 819.927557] [] page_fault+0x25/0x30 [ 819.927561] Mem-Info: [ 819.927579] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 819.927579] active_file:29 inactive_file:42 isolated_file:0 [ 819.927579] unevictable:0 dirty:0 writeback:0 unstable:0 [ 819.927579] slab_reclaimable:4571 slab_unreclaimable:56993 [ 819.927579] mapped:30 shmem:48 pagetables:365 bounce:0 [ 819.927579] free:5947 free_pcp:110 free_cma:0 [ 819.927591] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 819.927610] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 819.927636] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 819.927692] DMA32: 7*4kB (ME) 32*8kB (ME) 25*16kB (ME) 26*32kB (UME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18476kB Normal: 456*4kB (UMH) 169*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5208kB 120 total pagecache pages [ 819.927747] 0 pages in swap cache [ 819.927751] Swap cache stats: add 0, delete 0, find 0/0 [ 819.927753] Free swap = 0kB [ 819.927755] Total swap = 0kB [ 819.927757] 1965979 pages RAM [ 819.927760] 0 pages HighMem/MovableOnly [ 819.927762] 313617 pages reserved [ 819.954823] syz-execprog: page allocation stalls for 240020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 819.954832] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 819.954847] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 819.954857] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 819.954867] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 819.954869] Call Trace: [ 819.954884] [] dump_stack+0xc1/0x128 [ 819.954893] [] warn_alloc.cold.31+0x7f/0x9c [ 819.954902] [] ? zone_watermark_ok_safe+0x250/0x250 [ 819.954910] [] ? shrink_node+0x740/0x740 [ 819.954919] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 819.954928] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 819.954936] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 819.954945] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 819.954952] [] ? find_get_entry+0x11a/0x570 [ 819.954959] [] ? find_get_entry+0x141/0x570 [ 819.954966] [] ? page_cache_prev_hole+0x80/0x80 [ 819.954975] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 819.954983] [] ? pagecache_get_page+0x131/0x710 [ 819.954990] [] filemap_fault+0xaf1/0x1110 [ 819.954998] [] ext4_filemap_fault+0x71/0xa0 [ 819.955005] [] __do_fault+0x223/0x500 [ 819.955012] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 819.955022] [] ? generic_file_readonly_mmap+0x190/0x190 [ 819.955030] [] handle_mm_fault+0x1326/0x2350 [ 819.955037] [] ? vm_insert_page+0x6f0/0x6f0 [ 819.955048] [] ? kvm_clock_read+0x23/0x40 [ 819.955055] [] ? kvm_clock_get_cycles+0x9/0x10 [ 819.955063] [] __do_page_fault+0x403/0xa60 [ 819.955071] [] ? bad_area_access_error+0x3a0/0x3a0 [ 819.955080] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 819.955086] [] do_page_fault+0x27/0x30 [ 819.955095] [] page_fault+0x25/0x30 [ 819.955098] Mem-Info: [ 819.955115] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 819.955115] active_file:29 inactive_file:42 isolated_file:0 [ 819.955115] unevictable:0 dirty:0 writeback:0 unstable:0 [ 819.955115] slab_reclaimable:4571 slab_unreclaimable:56993 [ 819.955115] mapped:30 shmem:48 pagetables:365 bounce:0 [ 819.955115] free:5947 free_pcp:110 free_cma:0 [ 819.955128] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 105 printk messages dropped ** [ 820.185534] 120 total pagecache pages [ 820.185537] 0 pages in swap cache [ 820.185541] Swap cache stats: add 0, delete 0, find 0/0 [ 820.185543] Free swap = 0kB [ 820.185545] Total swap = 0kB [ 820.185547] 1965979 pages RAM [ 820.185549] 0 pages HighMem/MovableOnly [ 820.185551] 313617 pages reserved [ 820.194879] udevd: page allocation stalls for 180020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 820.194887] CPU: 0 PID: 595 Comm: udevd Not tainted 4.9.141+ #23 ** 49 printk messages dropped ** [ 820.569010] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 820.569010] to free 108kB on behalf of 'kworker/1:1' (22) because [ 820.569010] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 820.569010] Free memory is -13716kB above reserved ** 75 printk messages dropped ** [ 828.648971] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 828.648971] to free 108kB on behalf of 'syz-executor.3' (2358) because [ 828.648971] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 828.648971] Free memory is -13716kB above reserved [ 828.648993] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 828.648993] to free 108kB on behalf of 'syz-executor.5' (2328) because [ 828.648993] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 828.648993] Free memory is -13716kB above reserved ** 91 printk messages dropped ** [ 829.359207] lowmem_reserve[]: 0 0 0 [ 829.359255] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18460kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 829.359299] 0 pages in swap cache [ 829.359303] Swap cache stats: add 0, delete 0, find 0/0 [ 829.359305] Free swap = 0kB [ 829.359307] Total swap = 0kB [ 829.359310] 1965979 pages RAM [ 829.359312] 0 pages HighMem/MovableOnly [ 829.359314] 313617 pages reserved [ 829.360795] blkid: page allocation stalls for 250030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 829.360803] CPU: 0 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 829.360815] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 829.360825] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 829.360835] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 829.360836] Call Trace: [ 829.360846] [] dump_stack+0xc1/0x128 [ 829.360854] [] warn_alloc.cold.31+0x7f/0x9c [ 829.360862] [] ? zone_watermark_ok_safe+0x250/0x250 [ 829.360869] [] ? shrink_node+0x740/0x740 [ 829.360878] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 829.360886] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 829.360894] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 829.360903] [] ? check_preemption_disabled+0x3b/0x200 [ 829.360910] [] ? find_get_entry+0x11a/0x570 [ 829.360917] [] ? find_get_entry+0x141/0x570 ** 39 printk messages dropped ** [ 829.370900] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 6 printk messages dropped ** [ 829.370965] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 829.370974] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 829.370983] [] ? check_preemption_disabled+0x3b/0x200 [ 829.370990] [] ? find_get_entry+0x11a/0x570 [ 829.370996] [] ? find_get_entry+0x141/0x570 [ 829.371003] [] ? page_cache_prev_hole+0x80/0x80 [ 829.371011] [] ? autoremove_wake_function+0x40/0x40 [ 829.371018] [] ? pagecache_get_page+0x131/0x710 [ 829.371024] [] filemap_fault+0xaf1/0x1110 [ 829.371033] [] ext4_filemap_fault+0x71/0xa0 [ 829.371039] [] __do_fault+0x223/0x500 [ 829.371045] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 829.371052] [] ? handle_mm_fault+0x1d4f/0x2350 [ 829.371058] [] handle_mm_fault+0x1326/0x2350 [ 829.371065] [] ? vm_insert_page+0x6f0/0x6f0 [ 829.371072] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 829.371080] [] __do_page_fault+0x403/0xa60 [ 829.371087] [] ? bad_area_access_error+0x3a0/0x3a0 [ 829.371096] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 829.371102] [] do_page_fault+0x27/0x30 [ 829.371110] [] page_fault+0x25/0x30 [ 829.371114] Mem-Info: [ 829.371131] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 829.371131] active_file:29 inactive_file:42 isolated_file:0 [ 829.371131] unevictable:0 dirty:0 writeback:0 unstable:0 [ 829.371131] slab_reclaimable:4571 slab_unreclaimable:56993 [ 829.371131] mapped:30 shmem:48 pagetables:365 bounce:0 [ 829.371131] free:5947 free_pcp:110 free_cma:0 [ 829.371143] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 829.371160] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 829.371183] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:320kB local_pcp:88kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 829.371233] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18460kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 829.371271] 0 pages in swap cache [ 829.371275] Swap cache stats: add 0, delete 0, find 0/0 [ 829.371277] Free swap = 0kB [ 829.371279] Total swap = 0kB [ 829.371281] 1965979 pages RAM [ 829.371283] 0 pages HighMem/MovableOnly [ 829.371285] 313617 pages reserved [ 829.658955] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 829.658955] to free 108kB on behalf of 'syz-executor.0' (2182) because [ 829.658955] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 829.658955] Free memory is -13716kB above reserved [ 829.947899] syz-executor.3: page allocation stalls for 250040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 829.947909] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 829.947925] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 829.947935] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 829.947945] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 829.947947] Call Trace: [ 829.947967] [] dump_stack+0xc1/0x128 [ 829.947979] [] warn_alloc.cold.31+0x7f/0x9c [ 829.947990] [] ? zone_watermark_ok_safe+0x250/0x250 [ 829.947999] [] ? shrink_node+0x740/0x740 [ 829.948008] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 829.948017] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 829.948026] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 829.948035] [] ? check_preemption_disabled+0x3b/0x200 [ 829.948043] [] ? find_get_entry+0x11a/0x570 [ 829.948050] [] ? find_get_entry+0x141/0x570 [ 829.948057] [] ? page_cache_prev_hole+0x80/0x80 [ 829.948064] [] ? pagecache_get_page+0x131/0x710 [ 829.948072] [] filemap_fault+0xaf1/0x1110 [ 829.948086] [] ext4_filemap_fault+0x71/0xa0 [ 829.948094] [] __do_fault+0x223/0x500 [ 829.948100] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 829.948108] [] ? handle_mm_fault+0x1d4f/0x2350 [ 829.948116] [] handle_mm_fault+0x1326/0x2350 [ 829.948123] [] ? vm_insert_page+0x6f0/0x6f0 [ 829.948130] [] ? __might_fault+0x92/0x1d0 [ 829.948140] [] __do_page_fault+0x403/0xa60 [ 829.948152] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 829.948159] [] ? bad_area_access_error+0x3a0/0x3a0 [ 829.948171] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 829.948178] [] do_page_fault+0x27/0x30 [ 829.948186] [] page_fault+0x25/0x30 [ 829.948190] Mem-Info: [ 829.948208] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 829.948208] active_file:29 inactive_file:42 isolated_file:0 [ 829.948208] unevictable:0 dirty:0 writeback:0 unstable:0 [ 829.948208] slab_reclaimable:4571 slab_unreclaimable:56993 [ 829.948208] mapped:30 shmem:48 pagetables:365 bounce:0 [ 829.948208] free:5947 free_pcp:110 free_cma:0 [ 829.948221] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 829.948240] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 829.948266] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:320kB local_pcp:232kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 829.948322] DMA32: 7*4kB (ME) 32*8kB (ME) 26*16kB (UME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18460kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 829.948365] 0 pages in swap cache [ 829.948369] Swap cache stats: add 0, delete 0, find 0/0 [ 829.948371] Free swap = 0kB [ 829.948373] Total swap = 0kB [ 829.948376] 1965979 pages RAM [ 829.948378] 0 pages HighMem/MovableOnly [ 829.948380] 313617 pages reserved [ 829.957838] syz-execprog: page allocation stalls for 250020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 829.957845] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 829.957858] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 829.957868] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 829.957878] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 829.957879] Call Trace: [ 829.957890] [] dump_stack+0xc1/0x128 [ 829.957898] [] warn_alloc.cold.31+0x7f/0x9c [ 829.957906] [] ? zone_watermark_ok_safe+0x250/0x250 [ 829.957914] [] ? shrink_node+0x740/0x740 [ 829.957923] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 829.957931] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 829.957940] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 829.957948] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 829.957955] [] ? find_get_entry+0x11a/0x570 [ 829.957962] [] ? find_get_entry+0x141/0x570 [ 829.957969] [] ? page_cache_prev_hole+0x80/0x80 [ 829.957978] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 829.957985] [] ? pagecache_get_page+0x131/0x710 [ 829.957993] [] filemap_fault+0xaf1/0x1110 [ 829.958001] [] ext4_filemap_fault+0x71/0xa0 [ 829.958007] [] __do_fault+0x223/0x500 [ 829.958014] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 829.958022] [] ? generic_file_readonly_mmap+0x190/0x190 [ 829.958029] [] handle_mm_fault+0x1326/0x2350 [ 829.958037] [] ? vm_insert_page+0x6f0/0x6f0 [ 829.958045] [] ? kvm_clock_read+0x23/0x40 ** 64 printk messages dropped ** [ 829.961676] 120 total pagecache pages ** 48 printk messages dropped ** [ 830.183772] Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB ** 135 printk messages dropped ** [ 839.129766] warn_alloc: 5 callbacks suppressed [ 839.129783] syz-execprog: page allocation stalls for 200010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 839.129792] CPU: 1 PID: 2155 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 839.129809] ffff8801cab877c0 ffffffff81b42e79 1ffff10039570efa ffff8801caec4740 [ 839.129819] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab87908 [ 839.129829] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 839.129831] Call Trace: [ 839.129850] [] dump_stack+0xc1/0x128 [ 839.129862] [] warn_alloc.cold.31+0x7f/0x9c [ 839.129873] [] ? zone_watermark_ok_safe+0x250/0x250 [ 839.129882] [] ? shrink_node+0x740/0x740 [ 839.129891] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 839.129901] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 839.129910] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 839.129918] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 839.129925] [] ? find_get_entry+0x11a/0x570 [ 839.129932] [] ? find_get_entry+0x141/0x570 [ 839.129939] [] ? page_cache_prev_hole+0x80/0x80 [ 839.129954] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 839.129961] [] ? pagecache_get_page+0x131/0x710 [ 839.129969] [] filemap_fault+0xaf1/0x1110 [ 839.129979] [] ext4_filemap_fault+0x71/0xa0 [ 839.129986] [] __do_fault+0x223/0x500 [ 839.129993] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 839.130001] [] ? generic_file_readonly_mmap+0x190/0x190 [ 839.130009] [] handle_mm_fault+0x1326/0x2350 [ 839.130016] [] ? vm_insert_page+0x6f0/0x6f0 [ 839.130028] [] ? kvm_clock_read+0x23/0x40 [ 839.130035] [] ? kvm_clock_get_cycles+0x9/0x10 [ 839.130042] [] ? memset+0x31/0x40 [ 839.130051] [] __do_page_fault+0x403/0xa60 [ 839.130059] [] ? __fget_light+0x169/0x1f0 [ 839.130067] [] ? bad_area_access_error+0x3a0/0x3a0 [ 839.130076] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 839.130084] [] do_page_fault+0x27/0x30 [ 839.130093] [] page_fault+0x25/0x30 [ 839.130103] Mem-Info: [ 839.130120] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 839.130120] active_file:29 inactive_file:42 isolated_file:0 [ 839.130120] unevictable:0 dirty:0 writeback:0 unstable:0 [ 839.130120] slab_reclaimable:4571 slab_unreclaimable:56993 [ 839.130120] mapped:30 shmem:48 pagetables:365 bounce:0 [ 839.130120] free:5947 free_pcp:108 free_cma:0 [ 839.130133] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 839.130152] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 839.130179] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:312kB local_pcp:84kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 839.130235] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 839.130279] 0 pages in swap cache [ 839.130283] Swap cache stats: add 0, delete 0, find 0/0 [ 839.130285] Free swap = 0kB [ 839.130287] Total swap = 0kB [ 839.130290] 1965979 pages RAM [ 839.130292] 0 pages HighMem/MovableOnly [ 839.130294] 313617 pages reserved [ 839.339863] syz-executor.0: page allocation stalls for 260020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 839.339873] CPU: 1 PID: 2182 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 839.339889] ffff8801c9e677c0 ffffffff81b42e79 1ffff100393ccefa ffff8801c9c8af80 [ 839.339899] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9e67908 [ 839.339909] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 839.339911] Call Trace: [ 839.339935] [] dump_stack+0xc1/0x128 [ 839.339946] [] warn_alloc.cold.31+0x7f/0x9c [ 839.339957] [] ? zone_watermark_ok_safe+0x250/0x250 [ 839.339967] [] ? shrink_node+0x740/0x740 [ 839.339976] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 839.339985] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 839.339994] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 839.340004] [] ? check_preemption_disabled+0x3b/0x200 [ 839.340012] [] ? find_get_entry+0x11a/0x570 [ 839.340019] [] ? find_get_entry+0x141/0x570 [ 839.340026] [] ? page_cache_prev_hole+0x80/0x80 [ 839.340034] [] ? pagecache_get_page+0x131/0x710 [ 839.340041] [] filemap_fault+0xaf1/0x1110 [ 839.340051] [] ext4_filemap_fault+0x71/0xa0 [ 839.340058] [] __do_fault+0x223/0x500 [ 839.340065] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 839.340073] [] ? generic_file_readonly_mmap+0x190/0x190 [ 839.340080] [] handle_mm_fault+0x1326/0x2350 [ 839.340087] [] ? vm_insert_page+0x6f0/0x6f0 [ 839.340094] [] ? __might_fault+0x92/0x1d0 [ 839.340103] [] __do_page_fault+0x403/0xa60 [ 839.340112] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 839.340120] [] ? bad_area_access_error+0x3a0/0x3a0 [ 839.340129] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 839.340136] [] do_page_fault+0x27/0x30 [ 839.340146] [] page_fault+0x25/0x30 [ 839.340150] Mem-Info: [ 839.340167] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 839.340167] active_file:29 inactive_file:42 isolated_file:0 [ 839.340167] unevictable:0 dirty:0 writeback:0 unstable:0 [ 839.340167] slab_reclaimable:4571 slab_unreclaimable:56993 [ 839.340167] mapped:30 shmem:48 pagetables:365 bounce:0 [ 839.340167] free:5947 free_pcp:108 free_cma:0 [ 839.340180] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 839.340199] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 839.340225] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:312kB local_pcp:84kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 839.340281] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 839.340325] 0 pages in swap cache [ 839.340329] Swap cache stats: add 0, delete 0, find 0/0 [ 839.340331] Free swap = 0kB [ 839.340333] Total swap = 0kB [ 839.340336] 1965979 pages RAM [ 839.340338] 0 pages HighMem/MovableOnly [ 839.340340] 313617 pages reserved [ 839.372609] blkid: page allocation stalls for 260040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 839.372618] CPU: 0 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 839.372634] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 839.372644] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 839.372654] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 839.372656] Call Trace: [ 839.372674] [] dump_stack+0xc1/0x128 [ 839.372685] [] warn_alloc.cold.31+0x7f/0x9c [ 839.372696] [] ? zone_watermark_ok_safe+0x250/0x250 [ 839.372705] [] ? shrink_node+0x740/0x740 [ 839.372714] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 839.372723] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 839.372732] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 839.372742] [] ? check_preemption_disabled+0x3b/0x200 [ 839.372750] [] ? find_get_entry+0x11a/0x570 [ 839.372757] [] ? find_get_entry+0x141/0x570 [ 839.372764] [] ? page_cache_prev_hole+0x80/0x80 [ 839.372773] [] ? autoremove_wake_function+0x40/0x40 [ 839.372781] [] ? pagecache_get_page+0x131/0x710 [ 839.372789] [] filemap_fault+0xaf1/0x1110 [ 839.372798] [] ext4_filemap_fault+0x71/0xa0 [ 839.372806] [] __do_fault+0x223/0x500 [ 839.372813] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 839.372820] [] ? handle_mm_fault+0x1d4f/0x2350 [ 839.372827] [] handle_mm_fault+0x1326/0x2350 [ 839.372835] [] ? vm_insert_page+0x6f0/0x6f0 [ 839.372842] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 839.372850] [] ? kmem_cache_free+0x28f/0x310 [ 839.372857] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 839.372866] [] __do_page_fault+0x403/0xa60 [ 839.372874] [] ? bad_area_access_error+0x3a0/0x3a0 [ 839.372884] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 839.372891] [] do_page_fault+0x27/0x30 [ 839.372900] [] page_fault+0x25/0x30 [ 839.372904] Mem-Info: [ 839.372921] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 839.372921] active_file:29 inactive_file:42 isolated_file:0 [ 839.372921] unevictable:0 dirty:0 writeback:0 unstable:0 [ 839.372921] slab_reclaimable:4571 slab_unreclaimable:56993 [ 839.372921] mapped:30 shmem:48 pagetables:365 bounce:0 [ 839.372921] free:5947 free_pcp:108 free_cma:0 [ 839.372934] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 839.372953] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 839.372979] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:312kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 839.373035] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 839.373078] 0 pages in swap cache [ 839.373082] Swap cache stats: add 0, delete 0, find 0/0 [ 839.373084] Free swap = 0kB [ 839.373086] Total swap = 0kB [ 839.373088] 1965979 pages RAM [ 839.373090] 0 pages HighMem/MovableOnly [ 839.373093] 313617 pages reserved [ 839.387851] blkid: page allocation stalls for 260030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 839.387859] CPU: 0 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 839.387871] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 839.387881] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 839.387891] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 839.387893] Call Trace: [ 839.387905] [] dump_stack+0xc1/0x128 [ 839.387912] [] warn_alloc.cold.31+0x7f/0x9c [ 839.387921] [] ? zone_watermark_ok_safe+0x250/0x250 [ 839.387928] [] ? shrink_node+0x740/0x740 [ 839.387937] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 839.387945] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 839.387954] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 839.387964] [] ? check_preemption_disabled+0x3b/0x200 [ 839.387971] [] ? find_get_entry+0x11a/0x570 [ 839.387979] [] ? find_get_entry+0x141/0x570 [ 839.387986] [] ? page_cache_prev_hole+0x80/0x80 [ 839.387994] [] ? autoremove_wake_function+0x40/0x40 [ 839.388002] [] ? pagecache_get_page+0x131/0x710 [ 839.388009] [] filemap_fault+0xaf1/0x1110 [ 839.388018] [] ext4_filemap_fault+0x71/0xa0 [ 839.388025] [] __do_fault+0x223/0x500 [ 839.388032] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 839.388040] [] ? handle_mm_fault+0x1d4f/0x2350 [ 839.388047] [] handle_mm_fault+0x1326/0x2350 [ 839.388055] [] ? vm_insert_page+0x6f0/0x6f0 [ 839.388061] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 839.388069] [] __do_page_fault+0x403/0xa60 [ 839.388076] [] ? bad_area_access_error+0x3a0/0x3a0 [ 839.388084] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 839.388091] [] do_page_fault+0x27/0x30 [ 839.388100] [] page_fault+0x25/0x30 [ 839.388103] Mem-Info: [ 839.388120] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 839.388120] active_file:29 inactive_file:42 isolated_file:0 [ 839.388120] unevictable:0 dirty:0 writeback:0 unstable:0 [ 839.388120] slab_reclaimable:4571 slab_unreclaimable:56993 [ 839.388120] mapped:30 shmem:48 pagetables:365 bounce:0 [ 839.388120] free:5947 free_pcp:108 free_cma:0 [ 839.388133] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 839.388151] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 839.388177] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:312kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 839.388231] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 839.388274] 0 pages in swap cache [ 839.388278] Swap cache stats: add 0, delete 0, find 0/0 [ 839.388280] Free swap = 0kB [ 839.388282] Total swap = 0kB [ 839.388284] 1965979 pages RAM [ 839.388286] 0 pages HighMem/MovableOnly [ 839.388288] 313617 pages reserved [ 839.758958] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 839.758958] to free 108kB on behalf of 'syz-executor.3' (2359) because [ 839.758958] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 839.758958] Free memory is -13716kB above reserved [ 839.758969] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 839.758969] to free 108kB on behalf of 'syz-executor.3' (2358) because [ 839.758969] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 839.758969] Free memory is -13716kB above reserved [ 839.934964] syz-executor.3: page allocation stalls for 260030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 839.934974] CPU: 0 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 839.934990] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 839.935001] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 839.935011] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 839.935013] Call Trace: [ 839.935032] [] dump_stack+0xc1/0x128 [ 839.935043] [] warn_alloc.cold.31+0x7f/0x9c [ 839.935054] [] ? zone_watermark_ok_safe+0x250/0x250 [ 839.935063] [] ? shrink_node+0x740/0x740 [ 839.935072] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 839.935081] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 839.935091] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 839.935099] [] ? check_preemption_disabled+0x3b/0x200 [ 839.935106] [] ? find_get_entry+0x11a/0x570 [ 839.935114] [] ? find_get_entry+0x141/0x570 [ 839.935121] [] ? page_cache_prev_hole+0x80/0x80 [ 839.935128] [] ? pagecache_get_page+0x131/0x710 [ 839.935135] [] filemap_fault+0xaf1/0x1110 [ 839.935145] [] ext4_filemap_fault+0x71/0xa0 [ 839.935152] [] __do_fault+0x223/0x500 [ 839.935159] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 839.935167] [] ? handle_mm_fault+0x1d4f/0x2350 [ 839.935174] [] handle_mm_fault+0x1326/0x2350 [ 839.935181] [] ? vm_insert_page+0x6f0/0x6f0 [ 839.935188] [] ? __might_fault+0x92/0x1d0 [ 839.935198] [] __do_page_fault+0x403/0xa60 [ 839.935209] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 839.935217] [] ? bad_area_access_error+0x3a0/0x3a0 [ 839.935229] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 839.935236] [] do_page_fault+0x27/0x30 [ 839.935246] [] page_fault+0x25/0x30 [ 839.935249] Mem-Info: [ 839.935267] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 839.935267] active_file:29 inactive_file:42 isolated_file:0 [ 839.935267] unevictable:0 dirty:0 writeback:0 unstable:0 [ 839.935267] slab_reclaimable:4571 slab_unreclaimable:56993 [ 839.935267] mapped:30 shmem:48 pagetables:365 bounce:0 [ 839.935267] free:5947 free_pcp:108 free_cma:0 [ 839.935280] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 839.935299] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 839.935326] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:312kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 839.935382] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 839.935432] 0 pages in swap cache [ 839.935436] Swap cache stats: add 0, delete 0, find 0/0 [ 839.935438] Free swap = 0kB [ 839.935440] Total swap = 0kB [ 839.935442] 1965979 pages RAM [ 839.935445] 0 pages HighMem/MovableOnly [ 839.935447] 313617 pages reserved [ 839.941439] syz-execprog: page allocation stalls for 260010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 839.941446] CPU: 0 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 839.941460] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 839.941470] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 839.941480] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 839.941482] Call Trace: [ 839.941491] [] dump_stack+0xc1/0x128 [ 839.941499] [] warn_alloc.cold.31+0x7f/0x9c [ 839.941507] [] ? zone_watermark_ok_safe+0x250/0x250 [ 839.941515] [] ? shrink_node+0x740/0x740 [ 839.941524] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 839.941532] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 839.941541] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 839.941550] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 839.941557] [] ? find_get_entry+0x11a/0x570 [ 839.941565] [] ? find_get_entry+0x141/0x570 [ 839.941572] [] ? page_cache_prev_hole+0x80/0x80 [ 839.941582] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 839.941589] [] ? pagecache_get_page+0x131/0x710 [ 839.941597] [] filemap_fault+0xaf1/0x1110 [ 839.941605] [] ext4_filemap_fault+0x71/0xa0 [ 839.941611] [] __do_fault+0x223/0x500 [ 839.941618] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 839.941626] [] ? generic_file_readonly_mmap+0x190/0x190 [ 839.941633] [] handle_mm_fault+0x1326/0x2350 [ 839.941641] [] ? vm_insert_page+0x6f0/0x6f0 [ 839.941651] [] ? kvm_clock_read+0x23/0x40 [ 839.941658] [] ? kvm_clock_get_cycles+0x9/0x10 [ 839.941666] [] __do_page_fault+0x403/0xa60 [ 839.941674] [] ? bad_area_access_error+0x3a0/0x3a0 [ 839.941682] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 839.941690] [] do_page_fault+0x27/0x30 [ 839.941697] [] page_fault+0x25/0x30 [ 839.941700] Mem-Info: [ 839.941715] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 839.941715] active_file:29 inactive_file:42 isolated_file:0 [ 839.941715] unevictable:0 dirty:0 writeback:0 unstable:0 [ 839.941715] slab_reclaimable:4571 slab_unreclaimable:56993 [ 839.941715] mapped:30 shmem:48 pagetables:365 bounce:0 [ 839.941715] free:5947 free_pcp:108 free_cma:0 [ 839.941729] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 839.941746] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 839.941772] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:312kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 839.941826] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 839.941869] 0 pages in swap cache [ 839.941873] Swap cache stats: add 0, delete 0, find 0/0 [ 839.941875] Free swap = 0kB [ 839.941876] Total swap = 0kB [ 839.941879] 1965979 pages RAM [ 839.941881] 0 pages HighMem/MovableOnly [ 839.941882] 313617 pages reserved [ 839.954902] syz-executor.0: page allocation stalls for 260010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 839.954909] CPU: 0 PID: 2362 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 839.954922] ffff88000cbd77c0 ffffffff81b42e79 1ffff1000197aefa ffff8801c75c4740 [ 839.954933] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000cbd7908 [ 839.954943] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 839.954944] Call Trace: [ 839.954955] [] dump_stack+0xc1/0x128 [ 839.954963] [] warn_alloc.cold.31+0x7f/0x9c [ 839.954972] [] ? zone_watermark_ok_safe+0x250/0x250 [ 839.954980] [] ? shrink_node+0x740/0x740 [ 839.954989] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 839.954997] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 839.955006] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 839.955016] [] ? check_preemption_disabled+0x3b/0x200 [ 839.955023] [] ? find_get_entry+0x11a/0x570 [ 839.955030] [] ? find_get_entry+0x141/0x570 [ 839.955037] [] ? page_cache_prev_hole+0x80/0x80 [ 839.955045] [] ? pagecache_get_page+0x131/0x710 [ 839.955052] [] filemap_fault+0xaf1/0x1110 [ 839.955060] [] ext4_filemap_fault+0x71/0xa0 [ 839.955067] [] __do_fault+0x223/0x500 [ 839.955074] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 839.955081] [] ? handle_mm_fault+0x1d4f/0x2350 [ 839.955089] [] handle_mm_fault+0x1326/0x2350 [ 839.955096] [] ? vm_insert_page+0x6f0/0x6f0 [ 839.955103] [] ? __might_fault+0x92/0x1d0 [ 839.955112] [] __do_page_fault+0x403/0xa60 [ 839.955121] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 839.955129] [] ? bad_area_access_error+0x3a0/0x3a0 [ 839.955137] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 839.955144] [] do_page_fault+0x27/0x30 [ 839.955151] [] page_fault+0x25/0x30 [ 839.955154] Mem-Info: [ 839.955171] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 839.955171] active_file:29 inactive_file:42 isolated_file:0 [ 839.955171] unevictable:0 dirty:0 writeback:0 unstable:0 [ 839.955171] slab_reclaimable:4571 slab_unreclaimable:56993 [ 839.955171] mapped:30 shmem:48 pagetables:365 bounce:0 [ 839.955171] free:5947 free_pcp:108 free_cma:0 [ 839.955183] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 839.955201] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 839.955227] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:312kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 839.955281] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 839.955324] 0 pages in swap cache [ 839.955328] Swap cache stats: add 0, delete 0, find 0/0 [ 839.955330] Free swap = 0kB [ 839.955332] Total swap = 0kB [ 839.955334] 1965979 pages RAM [ 839.955336] 0 pages HighMem/MovableOnly [ 839.955339] 313617 pages reserved [ 840.181915] udevd: page allocation stalls for 200010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 840.181925] CPU: 0 PID: 595 Comm: udevd Not tainted 4.9.141+ #23 [ 840.181941] ffff8801cffaf7c0 ffffffff81b42e79 1ffff10039ff5efa ffff8801cfeb8000 [ 840.181951] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cffaf908 [ 840.181961] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 840.181962] Call Trace: [ 840.181981] [] dump_stack+0xc1/0x128 [ 840.181991] [] warn_alloc.cold.31+0x7f/0x9c [ 840.182002] [] ? zone_watermark_ok_safe+0x250/0x250 [ 840.182012] [] ? shrink_node+0x740/0x740 [ 840.182021] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 840.182030] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 840.182039] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 840.182048] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 840.182056] [] ? find_get_entry+0x11a/0x570 [ 840.182063] [] ? find_get_entry+0x141/0x570 [ 840.182070] [] ? page_cache_prev_hole+0x80/0x80 [ 840.182077] [] ? pagecache_get_page+0x131/0x710 [ 840.182085] [] filemap_fault+0xaf1/0x1110 [ 840.182094] [] ext4_filemap_fault+0x71/0xa0 [ 840.182101] [] __do_fault+0x223/0x500 [ 840.182108] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 840.182116] [] ? generic_file_readonly_mmap+0x190/0x190 [ 840.182123] [] handle_mm_fault+0x1326/0x2350 [ 840.182133] [] ? ep_poll+0x18f/0xb20 [ 840.182140] [] ? vm_insert_page+0x6f0/0x6f0 [ 840.182148] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 840.182159] [] __do_page_fault+0x403/0xa60 [ 840.182168] [] ? __fget_light+0x169/0x1f0 [ 840.182176] [] ? bad_area_access_error+0x3a0/0x3a0 [ 840.182187] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 840.182194] [] do_page_fault+0x27/0x30 [ 840.182203] [] page_fault+0x25/0x30 [ 840.182207] Mem-Info: [ 840.182224] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 840.182224] active_file:29 inactive_file:42 isolated_file:0 [ 840.182224] unevictable:0 dirty:0 writeback:0 unstable:0 [ 840.182224] slab_reclaimable:4571 slab_unreclaimable:56993 [ 840.182224] mapped:30 shmem:48 pagetables:365 bounce:0 [ 840.182224] free:5947 free_pcp:108 free_cma:0 [ 840.182237] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 840.182255] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 840.182282] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:312kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 840.182338] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 840.182387] 0 pages in swap cache [ 840.182391] Swap cache stats: add 0, delete 0, find 0/0 [ 840.182393] Free swap = 0kB [ 840.182395] Total swap = 0kB [ 840.182397] 1965979 pages RAM [ 840.182399] 0 pages HighMem/MovableOnly [ 840.182401] 313617 pages reserved [ 840.185404] udevd: page allocation stalls for 200020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 840.185410] CPU: 0 PID: 593 Comm: udevd Not tainted 4.9.141+ #23 [ 840.185422] ffff8801cff5f7c0 ffffffff81b42e79 1ffff10039febefa ffff8801cfde4740 [ 840.185432] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cff5f908 [ 840.185442] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 840.185444] Call Trace: [ 840.185453] [] dump_stack+0xc1/0x128 [ 840.185461] [] warn_alloc.cold.31+0x7f/0x9c [ 840.185469] [] ? zone_watermark_ok_safe+0x250/0x250 [ 840.185476] [] ? shrink_node+0x740/0x740 [ 840.185485] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 840.185492] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 840.185501] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 840.185509] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 840.185516] [] ? find_get_entry+0x11a/0x570 [ 840.185523] [] ? find_get_entry+0x141/0x570 [ 840.185530] [] ? page_cache_prev_hole+0x80/0x80 [ 840.185538] [] ? pagecache_get_page+0x131/0x710 [ 840.185545] [] filemap_fault+0xaf1/0x1110 [ 840.185553] [] ext4_filemap_fault+0x71/0xa0 [ 840.185559] [] __do_fault+0x223/0x500 [ 840.185566] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 840.185574] [] ? generic_file_readonly_mmap+0x190/0x190 [ 840.185581] [] handle_mm_fault+0x1326/0x2350 [ 840.185589] [] ? ep_poll+0x18f/0xb20 [ 840.185596] [] ? vm_insert_page+0x6f0/0x6f0 [ 840.185603] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 840.185611] [] __do_page_fault+0x403/0xa60 [ 840.185618] [] ? __fget_light+0x169/0x1f0 [ 840.185625] [] ? bad_area_access_error+0x3a0/0x3a0 [ 840.185633] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 840.185640] [] do_page_fault+0x27/0x30 [ 840.185647] [] page_fault+0x25/0x30 [ 840.185650] Mem-Info: [ 840.185665] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 840.185665] active_file:29 inactive_file:42 isolated_file:0 [ 840.185665] unevictable:0 dirty:0 writeback:0 unstable:0 [ 840.185665] slab_reclaimable:4571 slab_unreclaimable:56993 [ 840.185665] mapped:30 shmem:48 pagetables:365 bounce:0 [ 840.185665] free:5947 free_pcp:108 free_cma:0 [ 840.185678] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 840.185696] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 840.185721] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:312kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 840.185775] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 840.185817] 0 pages in swap cache [ 840.185820] Swap cache stats: add 0, delete 0, find 0/0 [ 840.185823] Free swap = 0kB [ 840.185825] Total swap = 0kB [ 840.185827] 1965979 pages RAM [ 840.185829] 0 pages HighMem/MovableOnly [ 840.185831] 313617 pages reserved [ 840.768980] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 840.768980] to free 108kB on behalf of 'syz-executor.3' (2358) because [ 840.768980] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 840.768980] Free memory is -13716kB above reserved [ 840.768992] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 840.768992] to free 108kB on behalf of 'kworker/1:2' (2183) because [ 840.768992] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 840.768992] Free memory is -13716kB above reserved [ 841.778993] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 841.778993] to free 108kB on behalf of 'syz-executor.0' (2363) because [ 841.778993] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 841.778993] Free memory is -13716kB above reserved [ 841.779005] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 841.779005] to free 108kB on behalf of 'blkid' (2360) because [ 841.779005] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 841.779005] Free memory is -13716kB above reserved [ 841.785712] kworker/1:1: page allocation stalls for 260010ms, order:0, mode:0x26040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK) [ 841.785721] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 4.9.141+ #23 [ 841.785740] Workqueue: events rht_deferred_worker [ 841.785754] ffff8801d9c2f5d8 ffffffff81b42e79 1ffff1003b385ebd ffff8801d9c20000 [ 841.785769] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d9c2f720 [ 841.785779] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 841.785781] Call Trace: [ 841.785797] [] dump_stack+0xc1/0x128 [ 841.785808] [] warn_alloc.cold.31+0x7f/0x9c [ 841.785818] [] ? zone_watermark_ok_safe+0x250/0x250 [ 841.785828] [] ? shrink_node+0x740/0x740 [ 841.785836] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 841.785846] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 841.785855] [] ? depot_save_stack+0x11c/0x470 [ 841.785863] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 841.785874] [] ? save_stack_trace+0x16/0x20 [ 841.785882] [] ? process_one_work+0x831/0x15f0 [ 841.785889] [] ? worker_thread+0xd6/0x1140 [ 841.785898] [] ? kthread+0x26d/0x300 [ 841.785908] [] ? new_slab+0x303/0x3d0 [ 841.785915] [] new_slab+0x367/0x3d0 [ 841.785924] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 841.785931] [] ? bucket_table_alloc+0x134/0x400 [ 841.785940] [] ? check_preemption_disabled+0x3b/0x200 [ 841.785947] [] ? bucket_table_alloc+0x134/0x400 [ 841.785955] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 841.785963] [] __kmalloc+0x26e/0x310 [ 841.785969] [] ? bucket_table_alloc+0x134/0x400 [ 841.785976] [] bucket_table_alloc+0x134/0x400 [ 841.785984] [] rht_deferred_worker+0x14ae/0x1a50 [ 841.785991] [] ? debug_object_deactivate+0x214/0x340 [ 841.785999] [] ? check_preemption_disabled+0x3b/0x200 [ 841.786006] [] process_one_work+0x831/0x15f0 [ 841.786013] [] ? process_one_work+0x774/0x15f0 [ 841.786021] [] ? cancel_delayed_work_sync+0x20/0x20 [ 841.786028] [] worker_thread+0xd6/0x1140 [ 841.786037] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 841.786044] [] kthread+0x26d/0x300 [ 841.786051] [] ? process_one_work+0x15f0/0x15f0 [ 841.786059] [] ? kthread_park+0xa0/0xa0 [ 841.786067] [] ? __switch_to_asm+0x34/0x70 [ 841.786073] [] ? kthread_park+0xa0/0xa0 [ 841.786081] [] ? kthread_park+0xa0/0xa0 [ 841.786087] [] ret_from_fork+0x5c/0x70 [ 841.786091] Mem-Info: [ 841.786108] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 841.786108] active_file:29 inactive_file:42 isolated_file:0 [ 841.786108] unevictable:0 dirty:0 writeback:0 unstable:0 [ 841.786108] slab_reclaimable:4571 slab_unreclaimable:56993 [ 841.786108] mapped:30 shmem:48 pagetables:365 bounce:0 [ 841.786108] free:5947 free_pcp:108 free_cma:0 [ 841.786121] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 841.786140] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 841.786167] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:312kB local_pcp:84kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 841.786233] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 841.786277] 0 pages in swap cache [ 841.786281] Swap cache stats: add 0, delete 0, find 0/0 [ 841.786283] Free swap = 0kB [ 841.786285] Total swap = 0kB [ 841.786287] 1965979 pages RAM [ 841.786290] 0 pages HighMem/MovableOnly [ 841.786292] 313617 pages reserved [ 842.788955] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 842.788955] to free 108kB on behalf of 'udevd' (593) because [ 842.788955] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 842.788955] Free memory is -13716kB above reserved [ 842.788967] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 842.788967] to free 108kB on behalf of 'syz-executor.3' (2358) because [ 842.788967] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 842.788967] Free memory is -13716kB above reserved [ 843.799016] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 843.799016] to free 108kB on behalf of 'syz-executor.0' (2363) because [ 843.799016] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 843.799016] Free memory is -13716kB above reserved [ 844.808961] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 844.808961] to free 108kB on behalf of 'blkid' (2361) because [ 844.808961] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 844.808961] Free memory is -13716kB above reserved [ 844.808975] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 844.808975] to free 108kB on behalf of 'syz-executor.3' (2358) because [ 844.808975] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 844.808975] Free memory is -13716kB above reserved [ 845.818992] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 845.818992] to free 108kB on behalf of 'syz-executor.5' (2328) because [ 845.818992] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 845.818992] Free memory is -13716kB above reserved [ 845.819003] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 845.819003] to free 108kB on behalf of 'blkid' (2361) because [ 845.819003] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 845.819003] Free memory is -13716kB above reserved [ 846.828987] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 846.828987] to free 108kB on behalf of 'blkid' (2360) because [ 846.828987] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 846.828987] Free memory is -13716kB above reserved [ 846.828998] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 846.828998] to free 108kB on behalf of 'kworker/1:1' (22) because [ 846.828998] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 846.828998] Free memory is -13716kB above reserved [ 847.838960] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 847.838960] to free 108kB on behalf of 'blkid' (2360) because [ 847.838960] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 847.838960] Free memory is -13716kB above reserved [ 847.838971] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 847.838971] to free 108kB on behalf of 'kthreadd' (2) because [ 847.838971] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 847.838971] Free memory is -13716kB above reserved [ 848.849006] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 848.849006] to free 108kB on behalf of 'syz-executor.4' (2337) because [ 848.849006] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 848.849006] Free memory is -13716kB above reserved [ 848.849018] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 848.849018] to free 108kB on behalf of 'kworker/1:1' (22) because [ 848.849018] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 848.849018] Free memory is -13716kB above reserved [ 849.157077] warn_alloc: 5 callbacks suppressed [ 849.157095] syz-execprog: page allocation stalls for 210030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 849.157103] CPU: 1 PID: 2155 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 849.157120] ffff8801cab877c0 ffffffff81b42e79 1ffff10039570efa ffff8801caec4740 [ 849.157131] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab87908 [ 849.157141] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 849.157143] Call Trace: [ 849.157160] [] dump_stack+0xc1/0x128 [ 849.157172] [] warn_alloc.cold.31+0x7f/0x9c [ 849.157183] [] ? zone_watermark_ok_safe+0x250/0x250 [ 849.157192] [] ? shrink_node+0x740/0x740 [ 849.157201] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 849.157210] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 849.157219] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 849.157228] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 849.157236] [] ? find_get_entry+0x11a/0x570 [ 849.157250] [] ? find_get_entry+0x141/0x570 [ 849.157257] [] ? page_cache_prev_hole+0x80/0x80 [ 849.157266] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 849.157273] [] ? pagecache_get_page+0x131/0x710 [ 849.157281] [] filemap_fault+0xaf1/0x1110 [ 849.157291] [] ext4_filemap_fault+0x71/0xa0 [ 849.157298] [] __do_fault+0x223/0x500 [ 849.157305] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 849.157313] [] ? generic_file_readonly_mmap+0x190/0x190 [ 849.157320] [] handle_mm_fault+0x1326/0x2350 [ 849.157328] [] ? vm_insert_page+0x6f0/0x6f0 [ 849.157339] [] ? kvm_clock_read+0x23/0x40 [ 849.157346] [] ? kvm_clock_get_cycles+0x9/0x10 [ 849.157353] [] ? memset+0x31/0x40 [ 849.157361] [] __do_page_fault+0x403/0xa60 [ 849.157371] [] ? __fget_light+0x169/0x1f0 [ 849.157378] [] ? bad_area_access_error+0x3a0/0x3a0 [ 849.157390] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 849.157397] [] do_page_fault+0x27/0x30 [ 849.157407] [] page_fault+0x25/0x30 [ 849.157410] Mem-Info: [ 849.157428] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 849.157428] active_file:29 inactive_file:42 isolated_file:0 [ 849.157428] unevictable:0 dirty:0 writeback:0 unstable:0 [ 849.157428] slab_reclaimable:4571 slab_unreclaimable:56993 [ 849.157428] mapped:30 shmem:48 pagetables:365 bounce:0 [ 849.157428] free:5947 free_pcp:107 free_cma:0 [ 849.157442] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 849.157461] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 849.157487] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 849.157543] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 849.157587] 0 pages in swap cache [ 849.157591] Swap cache stats: add 0, delete 0, find 0/0 [ 849.157593] Free swap = 0kB [ 849.157595] Total swap = 0kB [ 849.157597] 1965979 pages RAM [ 849.157599] 0 pages HighMem/MovableOnly [ 849.157602] 313617 pages reserved [ 849.342367] syz-executor.0: page allocation stalls for 270020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 849.342377] CPU: 1 PID: 2182 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 849.342393] ffff8801c9e677c0 ffffffff81b42e79 1ffff100393ccefa ffff8801c9c8af80 [ 849.342403] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9e67908 [ 849.342414] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 849.342415] Call Trace: [ 849.342435] [] dump_stack+0xc1/0x128 [ 849.342447] [] warn_alloc.cold.31+0x7f/0x9c [ 849.342458] [] ? zone_watermark_ok_safe+0x250/0x250 [ 849.342467] [] ? shrink_node+0x740/0x740 [ 849.342476] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 849.342485] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 849.342494] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 849.342504] [] ? check_preemption_disabled+0x3b/0x200 [ 849.342511] [] ? find_get_entry+0x11a/0x570 [ 849.342518] [] ? find_get_entry+0x141/0x570 [ 849.342525] [] ? page_cache_prev_hole+0x80/0x80 [ 849.342533] [] ? pagecache_get_page+0x131/0x710 [ 849.342540] [] filemap_fault+0xaf1/0x1110 [ 849.342550] [] ext4_filemap_fault+0x71/0xa0 [ 849.342557] [] __do_fault+0x223/0x500 [ 849.342564] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 849.342573] [] ? generic_file_readonly_mmap+0x190/0x190 [ 849.342580] [] handle_mm_fault+0x1326/0x2350 [ 849.342587] [] ? vm_insert_page+0x6f0/0x6f0 [ 849.342594] [] ? __might_fault+0x92/0x1d0 [ 849.342603] [] __do_page_fault+0x403/0xa60 [ 849.342613] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 849.342621] [] ? bad_area_access_error+0x3a0/0x3a0 [ 849.342630] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 849.342637] [] do_page_fault+0x27/0x30 [ 849.342646] [] page_fault+0x25/0x30 [ 849.342650] Mem-Info: [ 849.342667] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 849.342667] active_file:29 inactive_file:42 isolated_file:0 [ 849.342667] unevictable:0 dirty:0 writeback:0 unstable:0 [ 849.342667] slab_reclaimable:4571 slab_unreclaimable:56993 [ 849.342667] mapped:30 shmem:48 pagetables:365 bounce:0 [ 849.342667] free:5947 free_pcp:107 free_cma:0 [ 849.342680] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 849.342699] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 849.342725] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 849.342780] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 849.342823] 0 pages in swap cache [ 849.342827] Swap cache stats: add 0, delete 0, find 0/0 [ 849.342829] Free swap = 0kB [ 849.342831] Total swap = 0kB [ 849.342834] 1965979 pages RAM [ 849.342836] 0 pages HighMem/MovableOnly [ 849.342838] 313617 pages reserved [ 849.349808] blkid: page allocation stalls for 270020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 849.349815] CPU: 0 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 849.349828] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 849.349838] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 849.349848] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 849.349850] Call Trace: [ 849.349861] [] dump_stack+0xc1/0x128 [ 849.349870] [] warn_alloc.cold.31+0x7f/0x9c [ 849.349878] [] ? zone_watermark_ok_safe+0x250/0x250 [ 849.349886] [] ? shrink_node+0x740/0x740 [ 849.349895] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 849.349903] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 849.349912] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 849.349920] [] ? check_preemption_disabled+0x3b/0x200 [ 849.349928] [] ? find_get_entry+0x11a/0x570 [ 849.349935] [] ? find_get_entry+0x141/0x570 [ 849.349942] [] ? page_cache_prev_hole+0x80/0x80 [ 849.349951] [] ? autoremove_wake_function+0x40/0x40 [ 849.349959] [] ? pagecache_get_page+0x131/0x710 [ 849.349966] [] filemap_fault+0xaf1/0x1110 [ 849.349974] [] ext4_filemap_fault+0x71/0xa0 [ 849.349981] [] __do_fault+0x223/0x500 [ 849.349988] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 849.349995] [] ? handle_mm_fault+0x1d4f/0x2350 [ 849.350002] [] handle_mm_fault+0x1326/0x2350 [ 849.350009] [] ? vm_insert_page+0x6f0/0x6f0 [ 849.350016] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 849.350024] [] ? kmem_cache_free+0x28f/0x310 [ 849.350031] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 849.350040] [] __do_page_fault+0x403/0xa60 [ 849.350047] [] ? bad_area_access_error+0x3a0/0x3a0 [ 849.350057] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 849.350064] [] do_page_fault+0x27/0x30 [ 849.350071] [] page_fault+0x25/0x30 [ 849.350073] Mem-Info: [ 849.350090] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 849.350090] active_file:29 inactive_file:42 isolated_file:0 [ 849.350090] unevictable:0 dirty:0 writeback:0 unstable:0 [ 849.350090] slab_reclaimable:4571 slab_unreclaimable:56993 [ 849.350090] mapped:30 shmem:48 pagetables:365 bounce:0 [ 849.350090] free:5947 free_pcp:107 free_cma:0 [ 849.350102] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 849.350120] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 849.350146] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 849.350200] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 849.350242] 0 pages in swap cache [ 849.350246] Swap cache stats: add 0, delete 0, find 0/0 [ 849.350248] Free swap = 0kB [ 849.350250] Total swap = 0kB [ 849.350253] 1965979 pages RAM [ 849.350255] 0 pages HighMem/MovableOnly [ 849.350257] 313617 pages reserved [ 849.382051] blkid: page allocation stalls for 270030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 849.382060] CPU: 0 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 849.382076] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 849.382086] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 849.382096] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 849.382098] Call Trace: [ 849.382117] [] dump_stack+0xc1/0x128 [ 849.382128] [] warn_alloc.cold.31+0x7f/0x9c [ 849.382139] [] ? zone_watermark_ok_safe+0x250/0x250 [ 849.382148] [] ? shrink_node+0x740/0x740 [ 849.382157] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 849.382165] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 849.382174] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 849.382183] [] ? check_preemption_disabled+0x3b/0x200 [ 849.382190] [] ? find_get_entry+0x11a/0x570 [ 849.382197] [] ? find_get_entry+0x141/0x570 [ 849.382204] [] ? page_cache_prev_hole+0x80/0x80 [ 849.382213] [] ? autoremove_wake_function+0x40/0x40 [ 849.382220] [] ? pagecache_get_page+0x131/0x710 [ 849.382227] [] filemap_fault+0xaf1/0x1110 [ 849.382237] [] ext4_filemap_fault+0x71/0xa0 [ 849.382244] [] __do_fault+0x223/0x500 [ 849.382251] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 849.382259] [] ? handle_mm_fault+0x1d4f/0x2350 [ 849.382266] [] handle_mm_fault+0x1326/0x2350 [ 849.382273] [] ? vm_insert_page+0x6f0/0x6f0 [ 849.382281] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 849.382290] [] __do_page_fault+0x403/0xa60 [ 849.382298] [] ? bad_area_access_error+0x3a0/0x3a0 [ 849.382307] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 849.382314] [] do_page_fault+0x27/0x30 [ 849.382323] [] page_fault+0x25/0x30 [ 849.382326] Mem-Info: [ 849.382344] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 849.382344] active_file:29 inactive_file:42 isolated_file:0 [ 849.382344] unevictable:0 dirty:0 writeback:0 unstable:0 [ 849.382344] slab_reclaimable:4571 slab_unreclaimable:56993 [ 849.382344] mapped:30 shmem:48 pagetables:365 bounce:0 [ 849.382344] free:5947 free_pcp:107 free_cma:0 [ 849.382358] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 849.382376] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 849.382402] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 849.382458] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 849.382501] 0 pages in swap cache [ 849.382505] Swap cache stats: add 0, delete 0, find 0/0 [ 849.382507] Free swap = 0kB [ 849.382509] Total swap = 0kB [ 849.382511] 1965979 pages RAM [ 849.382514] 0 pages HighMem/MovableOnly [ 849.382516] 313617 pages reserved [ 849.858964] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 849.858964] to free 108kB on behalf of 'udevd' (595) because [ 849.858964] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 849.858964] Free memory is -13716kB above reserved [ 849.858975] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 849.858975] to free 108kB on behalf of 'syz-executor.5' (2328) because [ 849.858975] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 849.858975] Free memory is -13716kB above reserved [ 849.919056] syz-executor.3: page allocation stalls for 270020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 849.919067] CPU: 1 PID: 2358 Comm: syz-executor.3 Not tainted 4.9.141+ #23 [ 849.919083] ffff88000be1f7c0 ffffffff81b42e79 1ffff100017c3efa ffff8801c7a42f80 [ 849.919094] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000be1f908 [ 849.919104] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 849.919106] Call Trace: [ 849.919124] [] dump_stack+0xc1/0x128 [ 849.919136] [] warn_alloc.cold.31+0x7f/0x9c [ 849.919147] [] ? zone_watermark_ok_safe+0x250/0x250 [ 849.919156] [] ? shrink_node+0x740/0x740 [ 849.919165] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 849.919174] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 849.919183] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 849.919198] [] ? check_preemption_disabled+0x3b/0x200 [ 849.919205] [] ? find_get_entry+0x11a/0x570 [ 849.919212] [] ? find_get_entry+0x141/0x570 [ 849.919219] [] ? page_cache_prev_hole+0x80/0x80 [ 849.919227] [] ? pagecache_get_page+0x131/0x710 [ 849.919234] [] filemap_fault+0xaf1/0x1110 [ 849.919245] [] ext4_filemap_fault+0x71/0xa0 [ 849.919252] [] __do_fault+0x223/0x500 [ 849.919259] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 849.919267] [] ? handle_mm_fault+0x1d4f/0x2350 [ 849.919275] [] handle_mm_fault+0x1326/0x2350 [ 849.919282] [] ? vm_insert_page+0x6f0/0x6f0 [ 849.919289] [] ? __might_fault+0x92/0x1d0 [ 849.919300] [] __do_page_fault+0x403/0xa60 [ 849.919311] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 849.919318] [] ? bad_area_access_error+0x3a0/0x3a0 [ 849.919330] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 849.919337] [] do_page_fault+0x27/0x30 [ 849.919347] [] page_fault+0x25/0x30 [ 849.919351] Mem-Info: [ 849.919368] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 849.919368] active_file:29 inactive_file:42 isolated_file:0 [ 849.919368] unevictable:0 dirty:0 writeback:0 unstable:0 [ 849.919368] slab_reclaimable:4571 slab_unreclaimable:56993 [ 849.919368] mapped:30 shmem:48 pagetables:365 bounce:0 [ 849.919368] free:5947 free_pcp:107 free_cma:0 [ 849.919381] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 849.919400] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 849.919427] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 849.919482] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 849.919526] 0 pages in swap cache [ 849.919530] Swap cache stats: add 0, delete 0, find 0/0 [ 849.919532] Free swap = 0kB [ 849.919534] Total swap = 0kB [ 849.919537] 1965979 pages RAM [ 849.919539] 0 pages HighMem/MovableOnly [ 849.919541] 313617 pages reserved [ 849.983690] syz-execprog: page allocation stalls for 270050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 849.983700] CPU: 1 PID: 2156 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 849.983716] ffff8801cab8f7c0 ffffffff81b42e79 1ffff10039571efa ffff8801caec5f00 [ 849.983726] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab8f908 [ 849.983736] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 849.983738] Call Trace: [ 849.983755] [] dump_stack+0xc1/0x128 [ 849.983766] [] warn_alloc.cold.31+0x7f/0x9c [ 849.983776] [] ? zone_watermark_ok_safe+0x250/0x250 [ 849.983785] [] ? shrink_node+0x740/0x740 [ 849.983794] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 849.983802] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 849.983811] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 849.983819] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 849.983827] [] ? find_get_entry+0x11a/0x570 [ 849.983834] [] ? find_get_entry+0x141/0x570 [ 849.983841] [] ? page_cache_prev_hole+0x80/0x80 [ 849.983850] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 849.983858] [] ? pagecache_get_page+0x131/0x710 [ 849.983865] [] filemap_fault+0xaf1/0x1110 [ 849.983875] [] ext4_filemap_fault+0x71/0xa0 [ 849.983882] [] __do_fault+0x223/0x500 [ 849.983889] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 849.983897] [] ? generic_file_readonly_mmap+0x190/0x190 [ 849.983904] [] handle_mm_fault+0x1326/0x2350 [ 849.983911] [] ? vm_insert_page+0x6f0/0x6f0 [ 849.983920] [] ? kvm_clock_read+0x23/0x40 [ 849.983927] [] ? kvm_clock_get_cycles+0x9/0x10 [ 849.983935] [] __do_page_fault+0x403/0xa60 [ 849.983943] [] ? bad_area_access_error+0x3a0/0x3a0 [ 849.983953] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 849.983960] [] do_page_fault+0x27/0x30 [ 849.983968] [] page_fault+0x25/0x30 [ 849.983972] Mem-Info: [ 849.983989] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 849.983989] active_file:29 inactive_file:42 isolated_file:0 [ 849.983989] unevictable:0 dirty:0 writeback:0 unstable:0 [ 849.983989] slab_reclaimable:4571 slab_unreclaimable:56993 [ 849.983989] mapped:30 shmem:48 pagetables:365 bounce:0 [ 849.983989] free:5947 free_pcp:107 free_cma:0 [ 849.984002] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 849.984021] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 849.984048] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 849.984104] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 849.984154] 0 pages in swap cache [ 849.984158] Swap cache stats: add 0, delete 0, find 0/0 [ 849.984160] Free swap = 0kB [ 849.984162] Total swap = 0kB [ 849.984164] 1965979 pages RAM [ 849.984166] 0 pages HighMem/MovableOnly [ 849.984168] 313617 pages reserved [ 849.989983] syz-executor.0: page allocation stalls for 270050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 849.989990] CPU: 0 PID: 2362 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 849.990003] ffff88000cbd77c0 ffffffff81b42e79 1ffff1000197aefa ffff8801c75c4740 [ 849.990013] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000cbd7908 [ 849.990023] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 849.990024] Call Trace: [ 849.990035] [] dump_stack+0xc1/0x128 [ 849.990043] [] warn_alloc.cold.31+0x7f/0x9c [ 849.990051] [] ? zone_watermark_ok_safe+0x250/0x250 [ 849.990059] [] ? shrink_node+0x740/0x740 [ 849.990068] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 849.990075] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 849.990084] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 849.990094] [] ? check_preemption_disabled+0x3b/0x200 [ 849.990101] [] ? find_get_entry+0x11a/0x570 [ 849.990108] [] ? find_get_entry+0x141/0x570 [ 849.990115] [] ? page_cache_prev_hole+0x80/0x80 [ 849.990122] [] ? pagecache_get_page+0x131/0x710 [ 849.990130] [] filemap_fault+0xaf1/0x1110 [ 849.990138] [] ext4_filemap_fault+0x71/0xa0 [ 849.990144] [] __do_fault+0x223/0x500 [ 849.990151] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 849.990158] [] ? handle_mm_fault+0x1d4f/0x2350 [ 849.990166] [] handle_mm_fault+0x1326/0x2350 [ 849.990173] [] ? vm_insert_page+0x6f0/0x6f0 [ 849.990180] [] ? __might_fault+0x92/0x1d0 [ 849.990187] [] __do_page_fault+0x403/0xa60 [ 849.990198] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 849.990205] [] ? bad_area_access_error+0x3a0/0x3a0 [ 849.990214] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 849.990221] [] do_page_fault+0x27/0x30 [ 849.990228] [] page_fault+0x25/0x30 [ 849.990231] Mem-Info: [ 849.990247] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 849.990247] active_file:29 inactive_file:42 isolated_file:0 [ 849.990247] unevictable:0 dirty:0 writeback:0 unstable:0 [ 849.990247] slab_reclaimable:4571 slab_unreclaimable:56993 [ 849.990247] mapped:30 shmem:48 pagetables:365 bounce:0 [ 849.990247] free:5947 free_pcp:107 free_cma:0 [ 849.990260] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 849.990277] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 849.990303] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 849.990358] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 849.990401] 0 pages in swap cache [ 849.990404] Swap cache stats: add 0, delete 0, find 0/0 [ 849.990407] Free swap = 0kB [ 849.990409] Total swap = 0kB [ 849.990411] 1965979 pages RAM [ 849.990413] 0 pages HighMem/MovableOnly [ 849.990415] 313617 pages reserved [ 850.171086] udevd: page allocation stalls for 210010ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 850.171095] CPU: 0 PID: 593 Comm: udevd Not tainted 4.9.141+ #23 [ 850.171111] ffff8801cff5f7c0 ffffffff81b42e79 1ffff10039febefa ffff8801cfde4740 [ 850.171121] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cff5f908 [ 850.171131] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 850.171133] Call Trace: [ 850.171151] [] dump_stack+0xc1/0x128 [ 850.171162] [] warn_alloc.cold.31+0x7f/0x9c [ 850.171172] [] ? zone_watermark_ok_safe+0x250/0x250 [ 850.171181] [] ? shrink_node+0x740/0x740 [ 850.171190] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 850.171199] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 850.171208] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 850.171216] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 850.171224] [] ? find_get_entry+0x11a/0x570 [ 850.171231] [] ? find_get_entry+0x141/0x570 [ 850.171238] [] ? page_cache_prev_hole+0x80/0x80 [ 850.171245] [] ? pagecache_get_page+0x131/0x710 [ 850.171253] [] filemap_fault+0xaf1/0x1110 [ 850.171263] [] ext4_filemap_fault+0x71/0xa0 [ 850.171270] [] __do_fault+0x223/0x500 [ 850.171276] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 850.171285] [] ? generic_file_readonly_mmap+0x190/0x190 [ 850.171292] [] handle_mm_fault+0x1326/0x2350 [ 850.171300] [] ? ep_poll+0x18f/0xb20 [ 850.171307] [] ? vm_insert_page+0x6f0/0x6f0 [ 850.171315] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 850.171325] [] __do_page_fault+0x403/0xa60 [ 850.171333] [] ? __fget_light+0x169/0x1f0 [ 850.171341] [] ? bad_area_access_error+0x3a0/0x3a0 [ 850.171350] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 850.171357] [] do_page_fault+0x27/0x30 [ 850.171366] [] page_fault+0x25/0x30 [ 850.171369] Mem-Info: [ 850.171387] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 850.171387] active_file:29 inactive_file:42 isolated_file:0 [ 850.171387] unevictable:0 dirty:0 writeback:0 unstable:0 [ 850.171387] slab_reclaimable:4571 slab_unreclaimable:56993 [ 850.171387] mapped:30 shmem:48 pagetables:365 bounce:0 [ 850.171387] free:5947 free_pcp:107 free_cma:0 [ 850.171400] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 850.171419] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 850.171445] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 850.171500] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 850.171544] 0 pages in swap cache [ 850.171548] Swap cache stats: add 0, delete 0, find 0/0 [ 850.171550] Free swap = 0kB [ 850.171552] Total swap = 0kB [ 850.171554] 1965979 pages RAM [ 850.171556] 0 pages HighMem/MovableOnly [ 850.171558] 313617 pages reserved [ 850.198452] udevd: page allocation stalls for 210020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 850.198460] CPU: 0 PID: 595 Comm: udevd Not tainted 4.9.141+ #23 [ 850.198475] ffff8801cffaf7c0 ffffffff81b42e79 1ffff10039ff5efa ffff8801cfeb8000 [ 850.198485] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cffaf908 [ 850.198495] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 850.198497] Call Trace: [ 850.198509] [] dump_stack+0xc1/0x128 [ 850.198517] [] warn_alloc.cold.31+0x7f/0x9c [ 850.198526] [] ? zone_watermark_ok_safe+0x250/0x250 [ 850.198534] [] ? shrink_node+0x740/0x740 [ 850.198543] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 850.198552] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 850.198561] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 850.198569] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 850.198576] [] ? find_get_entry+0x11a/0x570 [ 850.198583] [] ? find_get_entry+0x141/0x570 [ 850.198590] [] ? page_cache_prev_hole+0x80/0x80 [ 850.198598] [] ? pagecache_get_page+0x131/0x710 [ 850.198605] [] filemap_fault+0xaf1/0x1110 [ 850.198613] [] ext4_filemap_fault+0x71/0xa0 [ 850.198620] [] __do_fault+0x223/0x500 [ 850.198627] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 850.198635] [] ? generic_file_readonly_mmap+0x190/0x190 [ 850.198642] [] handle_mm_fault+0x1326/0x2350 [ 850.198650] [] ? ep_poll+0x18f/0xb20 [ 850.198657] [] ? vm_insert_page+0x6f0/0x6f0 [ 850.198665] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 850.198679] [] __do_page_fault+0x403/0xa60 [ 850.198687] [] ? __fget_light+0x169/0x1f0 [ 850.198694] [] ? bad_area_access_error+0x3a0/0x3a0 [ 850.198704] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 850.198711] [] do_page_fault+0x27/0x30 [ 850.198720] [] page_fault+0x25/0x30 [ 850.198723] Mem-Info: [ 850.198739] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 850.198739] active_file:29 inactive_file:42 isolated_file:0 [ 850.198739] unevictable:0 dirty:0 writeback:0 unstable:0 [ 850.198739] slab_reclaimable:4571 slab_unreclaimable:56993 [ 850.198739] mapped:30 shmem:48 pagetables:365 bounce:0 [ 850.198739] free:5947 free_pcp:107 free_cma:0 [ 850.198753] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 850.198771] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 850.198797] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 850.243701] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 850.243746] 0 pages in swap cache [ 850.243751] Swap cache stats: add 0, delete 0, find 0/0 [ 850.243753] Free swap = 0kB [ 850.243755] Total swap = 0kB [ 850.243758] 1965979 pages RAM [ 850.243760] 0 pages HighMem/MovableOnly [ 850.243762] 313617 pages reserved [ 850.868964] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 850.868964] to free 108kB on behalf of 'syz-executor.0' (2182) because [ 850.868964] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 850.868964] Free memory is -13716kB above reserved [ 850.868980] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 850.868980] to free 108kB on behalf of 'udevd' (595) because [ 850.868980] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 850.868980] Free memory is -13716kB above reserved [ 851.787673] kworker/1:2: page allocation stalls for 270020ms, order:0, mode:0x26040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK) [ 851.787683] CPU: 1 PID: 2183 Comm: kworker/1:2 Not tainted 4.9.141+ #23 [ 851.787701] Workqueue: events rht_deferred_worker [ 851.787715] ffff8801c998f5d8 ffffffff81b42e79 1ffff10039331ebd ffff8801caefdf00 [ 851.787725] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c998f720 [ 851.787735] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 851.787737] Call Trace: [ 851.787752] [] dump_stack+0xc1/0x128 [ 851.787764] [] warn_alloc.cold.31+0x7f/0x9c [ 851.787775] [] ? zone_watermark_ok_safe+0x250/0x250 [ 851.787784] [] ? shrink_node+0x740/0x740 [ 851.787793] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 851.787802] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 851.787810] [] ? depot_save_stack+0x11c/0x470 [ 851.787818] [] ? kasan_kmalloc.part.1+0xc9/0xf0 [ 851.787827] [] ? save_stack_trace+0x16/0x20 [ 851.787836] [] ? process_one_work+0x831/0x15f0 [ 851.787842] [] ? worker_thread+0xd6/0x1140 [ 851.787849] [] ? kthread+0x26d/0x300 [ 851.787858] [] ? new_slab+0x303/0x3d0 [ 851.787866] [] new_slab+0x367/0x3d0 [ 851.787874] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 851.787881] [] ? bucket_table_alloc+0x134/0x400 [ 851.787890] [] ? check_preemption_disabled+0x3b/0x200 [ 851.787897] [] ? bucket_table_alloc+0x134/0x400 [ 851.787905] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 851.787913] [] __kmalloc+0x26e/0x310 [ 851.787920] [] ? bucket_table_alloc+0x134/0x400 [ 851.787926] [] bucket_table_alloc+0x134/0x400 [ 851.787934] [] rht_deferred_worker+0x14ae/0x1a50 [ 851.787941] [] ? debug_object_deactivate+0x214/0x340 [ 851.787949] [] ? check_preemption_disabled+0x3b/0x200 [ 851.787957] [] process_one_work+0x831/0x15f0 [ 851.787963] [] ? process_one_work+0x774/0x15f0 [ 851.787971] [] ? cancel_delayed_work_sync+0x20/0x20 [ 851.787978] [] worker_thread+0xd6/0x1140 [ 851.787987] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 851.787994] [] kthread+0x26d/0x300 [ 851.788001] [] ? process_one_work+0x15f0/0x15f0 [ 851.788008] [] ? kthread_park+0xa0/0xa0 [ 851.788016] [] ? __switch_to_asm+0x34/0x70 [ 851.788023] [] ? kthread_park+0xa0/0xa0 [ 851.788030] [] ? kthread_park+0xa0/0xa0 [ 851.788037] [] ret_from_fork+0x5c/0x70 [ 851.788040] Mem-Info: [ 851.788063] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 851.788063] active_file:29 inactive_file:42 isolated_file:0 [ 851.788063] unevictable:0 dirty:0 writeback:0 unstable:0 [ 851.788063] slab_reclaimable:4571 slab_unreclaimable:56993 [ 851.788063] mapped:30 shmem:48 pagetables:365 bounce:0 [ 851.788063] free:5947 free_pcp:107 free_cma:0 [ 851.788077] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 851.788096] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 851.788122] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 851.788180] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 851.788224] 0 pages in swap cache [ 851.788228] Swap cache stats: add 0, delete 0, find 0/0 [ 851.788230] Free swap = 0kB [ 851.788232] Total swap = 0kB [ 851.788235] 1965979 pages RAM [ 851.788237] 0 pages HighMem/MovableOnly [ 851.788239] 313617 pages reserved [ 851.878958] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 851.878958] to free 108kB on behalf of 'syz-executor.0' (2363) because [ 851.878958] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 851.878958] Free memory is -13716kB above reserved [ 851.878970] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 851.878970] to free 108kB on behalf of 'kworker/1:1' (22) because [ 851.878970] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 851.878970] Free memory is -13716kB above reserved [ 852.888960] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 852.888960] to free 108kB on behalf of 'cron' (1940) because [ 852.888960] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 852.888960] Free memory is -13716kB above reserved [ 852.888971] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 852.888971] to free 108kB on behalf of 'syz-execprog' (2155) because [ 852.888971] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 852.888971] Free memory is -13716kB above reserved [ 853.898948] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 853.898948] to free 108kB on behalf of 'init' (1) because [ 853.898948] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 853.898948] Free memory is -13716kB above reserved [ 853.898959] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 853.898959] to free 108kB on behalf of 'syz-execprog' (2155) because [ 853.898959] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 853.898959] Free memory is -13716kB above reserved [ 854.908972] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 854.908972] to free 108kB on behalf of 'syz-executor.0' (2362) because [ 854.908972] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 854.908972] Free memory is -13716kB above reserved [ 855.918957] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 855.918957] to free 108kB on behalf of 'syz-executor.3' (2359) because [ 855.918957] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 855.918957] Free memory is -13716kB above reserved [ 855.918968] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 855.918968] to free 108kB on behalf of 'blkid' (2361) because [ 855.918968] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 855.918968] Free memory is -13716kB above reserved [ 856.928980] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 856.928980] to free 108kB on behalf of 'syz-executor.3' (2358) because [ 856.928980] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 856.928980] Free memory is -13716kB above reserved [ 856.928991] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 856.928991] to free 108kB on behalf of 'cron' (1940) because [ 856.928991] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 856.928991] Free memory is -13716kB above reserved [ 857.939003] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 857.939003] to free 108kB on behalf of 'blkid' (2360) because [ 857.939003] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 857.939003] Free memory is -13716kB above reserved [ 857.939014] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 857.939014] to free 108kB on behalf of 'syz-execprog' (2156) because [ 857.939014] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 857.939014] Free memory is -13716kB above reserved [ 858.948968] lowmemorykiller: Killing 'syz-executor.4' (2337) (tgid 2334), adj 1000, [ 858.948968] to free 108kB on behalf of 'syz-execprog' (2155) because [ 858.948968] cache 288kB is below limit 6144kB for oom_score_adj 0 [ 858.948968] Free memory is -13716kB above reserved [ 859.141843] warn_alloc: 5 callbacks suppressed [ 859.141860] syz-execprog: page allocation stalls for 220020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 859.141869] CPU: 1 PID: 2155 Comm: syz-execprog Not tainted 4.9.141+ #23 [ 859.141884] ffff8801cab877c0 ffffffff81b42e79 1ffff10039570efa ffff8801caec4740 [ 859.141893] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cab87908 [ 859.141902] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 859.141904] Call Trace: [ 859.141923] [] dump_stack+0xc1/0x128 [ 859.141933] [] warn_alloc.cold.31+0x7f/0x9c [ 859.141944] [] ? zone_watermark_ok_safe+0x250/0x250 [ 859.141952] [] ? shrink_node+0x740/0x740 [ 859.141961] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 859.141969] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 859.141978] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 859.141985] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 859.141992] [] ? find_get_entry+0x11a/0x570 [ 859.141999] [] ? find_get_entry+0x141/0x570 [ 859.142005] [] ? page_cache_prev_hole+0x80/0x80 [ 859.142015] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 859.142022] [] ? pagecache_get_page+0x131/0x710 [ 859.142028] [] filemap_fault+0xaf1/0x1110 [ 859.142037] [] ext4_filemap_fault+0x71/0xa0 [ 859.142044] [] __do_fault+0x223/0x500 [ 859.142051] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 859.142058] [] ? generic_file_readonly_mmap+0x190/0x190 [ 859.142065] [] handle_mm_fault+0x1326/0x2350 [ 859.142076] [] ? vm_insert_page+0x6f0/0x6f0 [ 859.142085] [] ? kvm_clock_read+0x23/0x40 [ 859.142092] [] ? kvm_clock_get_cycles+0x9/0x10 [ 859.142098] [] ? memset+0x31/0x40 [ 859.142105] [] __do_page_fault+0x403/0xa60 [ 859.142113] [] ? __fget_light+0x169/0x1f0 [ 859.142120] [] ? bad_area_access_error+0x3a0/0x3a0 [ 859.142128] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 859.142135] [] do_page_fault+0x27/0x30 [ 859.142144] [] page_fault+0x25/0x30 [ 859.142147] Mem-Info: [ 859.142164] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 859.142164] active_file:29 inactive_file:42 isolated_file:0 [ 859.142164] unevictable:0 dirty:0 writeback:0 unstable:0 [ 859.142164] slab_reclaimable:4571 slab_unreclaimable:56993 [ 859.142164] mapped:30 shmem:48 pagetables:365 bounce:0 [ 859.142164] free:5947 free_pcp:107 free_cma:0 [ 859.142176] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 859.142194] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 859.142218] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 859.142268] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 859.142307] 0 pages in swap cache [ 859.142312] Swap cache stats: add 0, delete 0, find 0/0 [ 859.142313] Free swap = 0kB [ 859.142315] Total swap = 0kB [ 859.142318] 1965979 pages RAM [ 859.142320] 0 pages HighMem/MovableOnly [ 859.142321] 313617 pages reserved [ 859.350416] syz-executor.0: page allocation stalls for 280030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 859.350426] CPU: 1 PID: 2182 Comm: syz-executor.0 Not tainted 4.9.141+ #23 [ 859.350442] ffff8801c9e677c0 ffffffff81b42e79 1ffff100393ccefa ffff8801c9c8af80 [ 859.350452] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801c9e67908 [ 859.350463] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 859.350468] Call Trace: [ 859.350488] [] dump_stack+0xc1/0x128 [ 859.350499] [] warn_alloc.cold.31+0x7f/0x9c [ 859.350510] [] ? zone_watermark_ok_safe+0x250/0x250 [ 859.350519] [] ? shrink_node+0x740/0x740 [ 859.350528] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 859.350541] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 859.350551] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 859.350559] [] ? check_preemption_disabled+0x3b/0x200 [ 859.350567] [] ? find_get_entry+0x11a/0x570 [ 859.350574] [] ? find_get_entry+0x141/0x570 [ 859.350581] [] ? page_cache_prev_hole+0x80/0x80 [ 859.350589] [] ? pagecache_get_page+0x131/0x710 [ 859.350597] [] filemap_fault+0xaf1/0x1110 [ 859.350606] [] ext4_filemap_fault+0x71/0xa0 [ 859.350613] [] __do_fault+0x223/0x500 [ 859.350620] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 859.350628] [] ? generic_file_readonly_mmap+0x190/0x190 [ 859.350635] [] handle_mm_fault+0x1326/0x2350 [ 859.350642] [] ? vm_insert_page+0x6f0/0x6f0 [ 859.350649] [] ? __might_fault+0x92/0x1d0 [ 859.350659] [] __do_page_fault+0x403/0xa60 [ 859.350671] [] ? compat_SyS_clock_settime+0x1a0/0x1a0 [ 859.350679] [] ? bad_area_access_error+0x3a0/0x3a0 [ 859.350690] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 859.350697] [] do_page_fault+0x27/0x30 [ 859.350707] [] page_fault+0x25/0x30 [ 859.350711] Mem-Info: [ 859.350728] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 859.350728] active_file:29 inactive_file:42 isolated_file:0 [ 859.350728] unevictable:0 dirty:0 writeback:0 unstable:0 [ 859.350728] slab_reclaimable:4571 slab_unreclaimable:56993 [ 859.350728] mapped:30 shmem:48 pagetables:365 bounce:0 [ 859.350728] free:5947 free_pcp:107 free_cma:0 [ 859.350746] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 859.350766] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 859.350793] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:308kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 859.350848] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 859.350892] 0 pages in swap cache [ 859.350896] Swap cache stats: add 0, delete 0, find 0/0 [ 859.350898] Free swap = 0kB [ 859.350900] Total swap = 0kB [ 859.350903] 1965979 pages RAM [ 859.350905] 0 pages HighMem/MovableOnly [ 859.350907] 313617 pages reserved [ 859.357772] blkid: page allocation stalls for 280020ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 859.357779] CPU: 0 PID: 2360 Comm: blkid Not tainted 4.9.141+ #23 [ 859.357793] ffff88000614f7c0 ffffffff81b42e79 1ffff10000c29efa ffff8801c7a44740 [ 859.357803] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000614f908 [ 859.357813] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 859.357814] Call Trace: [ 859.357824] [] dump_stack+0xc1/0x128 [ 859.357832] [] warn_alloc.cold.31+0x7f/0x9c [ 859.357840] [] ? zone_watermark_ok_safe+0x250/0x250 [ 859.357848] [] ? shrink_node+0x740/0x740 [ 859.357857] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 859.357864] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 859.357873] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 859.357881] [] ? check_preemption_disabled+0x3b/0x200 [ 859.357889] [] ? find_get_entry+0x11a/0x570 [ 859.357896] [] ? find_get_entry+0x141/0x570 [ 859.357903] [] ? page_cache_prev_hole+0x80/0x80 [ 859.357912] [] ? autoremove_wake_function+0x40/0x40 [ 859.357919] [] ? pagecache_get_page+0x131/0x710 [ 859.357927] [] filemap_fault+0xaf1/0x1110 [ 859.357935] [] ext4_filemap_fault+0x71/0xa0 [ 859.357942] [] __do_fault+0x223/0x500 [ 859.357949] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 859.357956] [] ? handle_mm_fault+0x1d4f/0x2350 [ 859.357963] [] handle_mm_fault+0x1326/0x2350 [ 859.357970] [] ? vm_insert_page+0x6f0/0x6f0 [ 859.357977] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 859.357985] [] ? kmem_cache_free+0x28f/0x310 [ 859.357992] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 859.358000] [] __do_page_fault+0x403/0xa60 [ 859.358008] [] ? bad_area_access_error+0x3a0/0x3a0 [ 859.358017] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 859.358024] [] do_page_fault+0x27/0x30 [ 859.358035] [] page_fault+0x25/0x30 [ 859.358038] Mem-Info: [ 859.358054] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 859.358054] active_file:29 inactive_file:42 isolated_file:0 [ 859.358054] unevictable:0 dirty:0 writeback:0 unstable:0 [ 859.358054] slab_reclaimable:4571 slab_unreclaimable:56993 [ 859.358054] mapped:30 shmem:48 pagetables:365 bounce:0 [ 859.358054] free:5947 free_pcp:107 free_cma:0 [ 859.358067] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 859.358085] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 859.358110] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 859.358164] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 859.358207] 0 pages in swap cache [ 859.358211] Swap cache stats: add 0, delete 0, find 0/0 [ 859.358213] Free swap = 0kB [ 859.358215] Total swap = 0kB [ 859.358217] 1965979 pages RAM [ 859.358219] 0 pages HighMem/MovableOnly [ 859.358221] 313617 pages reserved [ 859.379394] blkid: page allocation stalls for 280030ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 859.379404] CPU: 0 PID: 2361 Comm: blkid Not tainted 4.9.141+ #23 [ 859.379421] ffff88000571f7c0 ffffffff81b42e79 1ffff10000ae3efa ffff8801c75c0000 [ 859.379431] ffffffff82a97480 0000000000000001 0000000000400000 ffff88000571f908 [ 859.379441] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 859.379443] Call Trace: [ 859.379464] [] dump_stack+0xc1/0x128 [ 859.379476] [] warn_alloc.cold.31+0x7f/0x9c [ 859.379486] [] ? zone_watermark_ok_safe+0x250/0x250 [ 859.379496] [] ? shrink_node+0x740/0x740 [ 859.379505] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 859.379514] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 859.379523] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 859.379532] [] ? check_preemption_disabled+0x3b/0x200 [ 859.379539] [] ? find_get_entry+0x11a/0x570 [ 859.379546] [] ? find_get_entry+0x141/0x570 [ 859.379553] [] ? page_cache_prev_hole+0x80/0x80 [ 859.379562] [] ? autoremove_wake_function+0x40/0x40 [ 859.379570] [] ? pagecache_get_page+0x131/0x710 [ 859.379577] [] filemap_fault+0xaf1/0x1110 [ 859.379587] [] ext4_filemap_fault+0x71/0xa0 [ 859.379594] [] __do_fault+0x223/0x500 [ 859.379601] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 859.379608] [] ? handle_mm_fault+0x1d4f/0x2350 [ 859.379616] [] handle_mm_fault+0x1326/0x2350 [ 859.379623] [] ? vm_insert_page+0x6f0/0x6f0 [ 859.379630] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 859.379641] [] __do_page_fault+0x403/0xa60 [ 859.379649] [] ? bad_area_access_error+0x3a0/0x3a0 [ 859.379660] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 859.379667] [] do_page_fault+0x27/0x30 [ 859.379677] [] page_fault+0x25/0x30 [ 859.379681] Mem-Info: [ 859.379698] active_anon:5839 inactive_anon:39 isolated_anon:0 [ 859.379698] active_file:29 inactive_file:42 isolated_file:0 [ 859.379698] unevictable:0 dirty:0 writeback:0 unstable:0 [ 859.379698] slab_reclaimable:4571 slab_unreclaimable:56993 [ 859.379698] mapped:30 shmem:48 pagetables:365 bounce:0 [ 859.379698] free:5947 free_pcp:107 free_cma:0 [ 859.379711] Node 0 active_anon:23356kB inactive_anon:156kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 859.379730] DMA32 free:18540kB min:4696kB low:7712kB high:10728kB active_anon:448kB inactive_anon:8kB active_file:32kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:132kB slab_unreclaimable:1628kB kernel_stack:320kB pagetables:144kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 859.379756] Normal free:5248kB min:5580kB low:9168kB high:12756kB active_anon:22908kB inactive_anon:148kB active_file:84kB inactive_file:116kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18152kB slab_unreclaimable:226344kB kernel_stack:3648kB pagetables:1316kB bounce:0kB free_pcp:308kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 859.379811] DMA32: 7*4kB (ME) 33*8kB (UME) 25*16kB (ME) 25*32kB (ME) 23*64kB (UME) 9*128kB (UME) 6*256kB (UME) 5*512kB (UME) 0*1024kB 1*2048kB (U) 2*4096kB (U) = 18452kB Normal: 456*4kB (UMH) 168*8kB (MH) 65*16kB (MEH) 29*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5200kB 120 total pagecache pages [ 859.379855] 0 pages in swap cache [ 859.379859] Swap cache stats: add 0, delete 0, find 0/0 [ 859.379861] Free swap = 0kB [ 859.379863] Total swap = 0kB [ 859.379866] 1965979 pages RAM [ 859.379868] 0 pages HighMem/MovableOnly [ 859.379870] 313617 pages reserved [ 859.388957] INFO: task kworker/u4:1:64 blocked for more than 140 seconds. [ 859.388962] Not tainted 4.9.141+ #23 [ 859.388964] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 859.388982] kworker/u4:1 D22728 64 2 0x80000000 [ 859.388998] Workqueue: netns cleanup_net [ 859.389009] ffff8801d786af80 0000000000000000 ffff8801ca15a680 ffff8801da6b2f80 [ 859.389019] ffff8801db721018 ffff8801d79af7b8 ffffffff828075c2 0000000000000286 [ 859.389028] 0000000000000002 0000000041b58ab3 00ffffff82e2b9d2 ffff8801db7218f0 [ 859.389030] Call Trace: [ 859.389042] [] ? __schedule+0x662/0x1b10 [ 859.389050] [] schedule+0x7f/0x1b0 [ 859.389059] [] _synchronize_rcu_expedited+0x592/0x840 [ 859.389066] [] ? rcu_report_exp_cpu_mult+0xa0/0xa0 [ 859.389073] [] ? rcu_exp_wait_wake+0x5e0/0x5e0 [ 859.389082] [] ? autoremove_wake_function.part.0+0x130/0x130 [ 859.389089] [] ? worker_thread+0xd6/0x1140 [ 859.389096] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 859.389102] [] ? rcu_report_exp_cpu_mult+0xa0/0xa0 [ 859.389110] [] ? cond_synchronize_sched+0x20/0x20 [ 859.389118] [] ? __mutex_unlock_slowpath+0x25b/0x3c0 [ 859.389126] [] synchronize_rcu_expedited+0x22/0x30 [ 859.389134] [] synchronize_net+0x2f/0x50 [ 859.389142] [] nf_unregister_net_hook+0x1ec/0x380 [ 859.389149] [] netfilter_net_exit+0x40/0xb0 [ 859.389155] [] ? nf_register_hooks+0x90/0x90 [ 859.389161] [] ops_exit_list.isra.0+0xb0/0x160 [ 859.389168] [] cleanup_net+0x3f2/0x8b0 [ 859.389174] [] ? net_drop_ns+0x80/0x80 [ 859.389181] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 859.389188] [] ? debug_object_deactivate+0x214/0x340 [ 859.389195] [] ? check_preemption_disabled+0x3b/0x200 [ 859.389202] [] process_one_work+0x831/0x15f0 [ 859.389208] [] ? process_one_work+0x774/0x15f0 [ 859.389215] [] ? cancel_delayed_work_sync+0x20/0x20 [ 859.389222] [] worker_thread+0xd6/0x1140 [ 859.389231] [] ? ___preempt_schedule+0x16/0x18 [ 859.389239] [] kthread+0x26d/0x300 [ 859.389245] [] ? process_one_work+0x15f0/0x15f0 [ 859.389251] [] ? kthread_park+0xa0/0xa0 [ 859.389259] [] ? __switch_to_asm+0x34/0x70 [ 859.389265] [] ? kthread_park+0xa0/0xa0 [ 859.389272] [] ? kthread_park+0xa0/0xa0 [ 859.389278] [] ret_from_fork+0x5c/0x70 [ 859.389281] [ 859.389281] Showing all locks held in the system: [ 859.389286] 2 locks held by init/1: [ 859.389301] #0: (&mm->mmap_sem){++++++}, at: [] __do_page_fault+0x272/0xa60 [ 859.389314] #1: (&ei->i_mmap_sem){++++.+}, at: [] ext4_filemap_fault+0x66/0xa0 [ 859.389320] 3 locks held by kworker/1:1/22: [ 859.389331] #0: ("events"){.+.+.+}, at: [] process_one_work+0x73c/0x15f0 [ 859.389343] #1: ((&ht->run_work)){+.+.+.}, at: [] process_one_work+0x774/0x15f0 [ 859.389355] #2: (&ht->mutex){+.+.+.}, at: [] rht_deferred_worker+0x39/0x1a50 [ 859.389359] 2 locks held by khungtaskd/24: [ 859.389373] #0: (rcu_read_lock){......}, at: [] watchdog+0x11c/0xa20 [ 859.389387] #1: (tasklist_lock){.+.+..}, at: [] debug_show_all_locks+0x79/0x218 [ 859.389392] 5 locks held by kworker/u4:1/64: [ 859.389404] #0: ("%s""netns"){.+.+.+}, at: [] process_one_work+0x73c/0x15f0 [ 859.389415] #1: (net_cleanup_work){+.+.+.}, at: [] process_one_work+0x774/0x15f0 [ 859.389427] #2: (net_mutex){+.+.+.}, at: [] cleanup_net+0x13f/0x8b0 [ 859.389439] #3: (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 859.389453] #4: (rcu_preempt_state.exp_mutex){+.+...}, at: [] _synchronize_rcu_expedited+0x339/0x840 [ 859.389460] 2 locks held by udevd/595: [ 859.389471] #0: (&mm->mmap_sem){++++++}, at: [] __do_page_fault+0x272/0xa60 [ 859.389483] #1: (&ei->i_mmap_sem){++++.+}, at: [] ext4_filemap_fault+0x66/0xa0 [ 859.389488] 1 lock held by rsyslogd/1898: [ 859.389503] #0: (&f->f_pos_lock){+.+.+.}, at: [] __fdget_pos+0xac/0xd0 [ 859.389506] 2 locks held by cron/1940: [ 859.389518] #0: (&mm->mmap_sem){++++++}, at: [] __do_page_fault+0x272/0xa60 [ 859.389535] #1: (&ei->i_mmap_sem){++++.+}, at: [] ext4_filemap_fault+0x66/0xa0 [ 859.389539] 2 locks held by getty/2025: [ 859.389552] #0: (&tty->ldisc_sem){++++++}, at: [] ldsem_down_read+0x32/0x40 [ 859.389567] #1: (&ldata->atomic_read_lock){+.+...}, at: [] n_tty_read+0x202/0x16e0 [ 859.389571] 2 locks held by syz-execprog/2155: [ 859.389582] #0: (&mm->mmap_sem){++++++}, at: [] __do_page_fault+0x272/0xa60 [ 859.389593] #1: (&ei->i_mmap_sem){++++.+}, at: [] ext4_filemap_fault+0x66/0xa0 [ 859.389600] 3 locks held by kworker/0:0/2309: [ 859.389612] #0: ("%s"("ipv6_addrconf")){.+.+..}, at: [] process_one_work+0x73c/0x15f0 [ 859.389624] #1: ((addr_chk_work).work){+.+...}, at: [] process_one_work+0x774/0x15f0 [ 859.389635] #2: (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x17/0x20 [ 859.389640] 1 lock held by syz-executor.1/2356: [ 859.389652] #0: (net_mutex){+.+.+.}, at: [] copy_net_ns+0x155/0x330 [ 859.389655] 1 lock held by syz-executor.2/2357: [ 859.389666] #0: (net_mutex){+.+.+.}, at: [] copy_net_ns+0x155/0x330 [ 859.389670] 2 locks held by blkid/2360: [ 859.389682] #0: (&mm->mmap_sem){++++++}, at: [] __do_page_fault+0x272/0xa60 [ 859.389693] #1: (&ei->i_mmap_sem){++++.+}, at: [] ext4_filemap_fault+0x66/0xa0 [ 859.389697] 2 locks held by blkid/2361: [ 859.389708] #0: (&mm->mmap_sem){++++++}, at: [] __do_page_fault+0x272/0xa60 [ 859.389720] #1: (&ei->i_mmap_sem){++++.+}, at: [] ext4_filemap_fault+0x66/0xa0 [ 859.389723] 2 locks held by syz-executor.0/2362: [ 859.389735] #0: (&mm->mmap_sem){++++++}, at: [] __do_page_fault+0x272/0xa60 [ 859.389746] #1: (&ei->i_mmap_sem){++++.+}, at: [] ext4_filemap_fault+0x66/0xa0 [ 859.389747] [ 859.389749] ============================================= [ 859.389749] [ 859.389755] NMI backtrace for cpu 1 [ 859.389761] CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.141+ #23 [ 859.389771] ffff8801d9907d08 ffffffff81b42e79 0000000000000000 0000000000000001 [ 859.389779] 0000000000000001 0000000000000001 ffffffff810983b0 ffff8801d9907d40 [ 859.389788] ffffffff81b4df89 0000000000000001 0000000000000000 0000000000000003 [ 859.389789] Call Trace: [ 859.389799] [] dump_stack+0xc1/0x128 [ 859.389809] [] ? irq_force_complete_move+0x330/0x330 [ 859.389816] [] nmi_cpu_backtrace.cold.0+0x48/0x87 [ 859.389824] [] ? irq_force_complete_move+0x330/0x330 [ 859.389831] [] nmi_trigger_cpumask_backtrace+0x12c/0x151 [ 859.389839] [] arch_trigger_cpumask_backtrace+0x14/0x20 [ 859.389845] [] watchdog+0x6ad/0xa20 [ 859.389851] [] ? watchdog+0x11c/0xa20 [ 859.389858] [] kthread+0x26d/0x300 [ 859.389864] [] ? reset_hung_task_detector+0x20/0x20 [ 859.389870] [] ? kthread_park+0xa0/0xa0 [ 859.389877] [] ? __switch_to_asm+0x34/0x70 [ 859.389884] [] ? kthread_park+0xa0/0xa0 [ 859.389890] [] ? kthread_park+0xa0/0xa0 [ 859.389896] [] ret_from_fork+0x5c/0x70 [ 859.389902] Sending NMI from CPU 1 to CPUs 0: [ 859.390917] NMI backtrace for cpu 0 [ 859.390920] CPU: 0 PID: 25 Comm: oom_reaper Not tainted 4.9.141+ #23 [ 859.390923] task: ffff8801d9c217c0 task.stack: ffff8801d9908000 [ 859.390926] RIP: 0010:[] c [] delay_tsc+0x33/0xc0 [ 859.390929] RSP: 0018:ffff8801d990f720 EFLAGS: 00000082 [ 859.390932] RAX: 0000000080000001 RBX: 000001cd23ee903d RCX: 0000000000000000 [ 859.390935] RDX: 0000000000000004 RSI: ffffffff81ba7d7b RDI: ffffffff841eb840 [ 859.390938] RBP: ffff8801d990f740 R08: 0000000000000001 R09: 0000000000000000 [ 859.390941] R10: 0000000000000001 R11: 0000000000000000 R12: 000001cd23ee8f18 [ 859.390944] R13: 00000000000008fd R14: 0000000000000000 R15: fffffbfff096b76d [ 859.390948] FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 859.390951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 859.390954] CR2: 00007f6cf8978943 CR3: 0000000048a60000 CR4: 00000000001606b0 [ 859.390957] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 859.390960] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 859.390962] Stack: [ 859.390965] ffffffff84b5bb20c 000000000000270bc 0000000000000020c fffffbfff096b7abc [ 859.390968] ffff8801d990f750c ffffffff81b70750c ffff8801d990f760c ffffffff81b7078ac [ 859.390972] ffff8801d990f7b0c ffffffff81d6473fc ffffffff81b6cdd8c ffffffff84b5bb68c [ 859.390973] Call Trace: [ 859.390976] [] __delay+0x10/0x20 [ 859.390978] [] __const_udelay+0x2a/0x30 [ 859.390981] [] wait_for_xmitr+0x6f/0x1e0 [ 859.390983] [] ? vsnprintf+0x1a8/0x1840 [ 859.390986] [] ? wait_for_xmitr+0x1e0/0x1e0 [ 859.390989] [] serial8250_console_putchar+0x1f/0x60 [ 859.390992] [] uart_console_write+0x59/0xf0 [ 859.390995] [] serial8250_console_write+0x528/0x820 [ 859.390998] [] ? serial8250_release_port+0x20/0x20 [ 859.391000] [] ? scnprintf+0x110/0x110 [ 859.391003] [] ? univ8250_console_setup+0x160/0x160 [ 859.391006] [] univ8250_console_write+0x5f/0x70 [ 859.391009] [] call_console_drivers.isra.0.constprop.15+0x1ad/0x360 [ 859.391012] [] console_unlock+0x47f/0xb50 [ 859.391014] [] ? vprintk_emit+0x28a/0x790 [ 859.391017] [] vprintk_emit+0x448/0x790 [ 859.391019] [] vprintk+0x28/0x30 [ 859.391022] [] vprintk_default+0x1d/0x30 [ 859.391024] [] printk+0xaf/0xd7 [ 859.391027] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 859.391030] [] __oom_reap_task_mm.cold.8+0x112/0x15e [ 859.391032] [] ? task_will_free_mem+0x620/0x620 [ 859.391035] [] oom_reaper+0x155/0x390 [ 859.391037] [] ? __oom_reap_task_mm+0x560/0x560 [ 859.391040] [] ? autoremove_wake_function.part.0+0x130/0x130 [ 859.391043] [] ? __kthread_parkme+0x175/0x240 [ 859.391046] [] kthread+0x26d/0x300 [ 859.391048] [] ? __oom_reap_task_mm+0x560/0x560 [ 859.391051] [] ? kthread_park+0xa0/0xa0 [ 859.391053] [] ? __switch_to_asm+0x34/0x70 [ 859.391056] [] ? kthread_park+0xa0/0xa0 [ 859.391059] [] ? kthread_park+0xa0/0xa0 [ 859.391061] [] ret_from_fork+0x5c/0x70 [ 859.391070] Code: c49 c89 cfd cbf c01 c00 c00 c00 c41 c54 c53 ce8 c18 c6d c5f cff ce8 c13 c77 c03 c00 c41 c89 cc6 c0f cae ce8 c0f c31 c48 cc1 ce2 c20 c48 c09 cc2 c49 c89 cd4 ceb c16 cf3 c90 c c01 c00 c00 c00 ce8 cf3 c6c c5f cff ce8 cee c76 c03 c00 c44 c39 cf0 c75 c36 c0f c [ 859.391076] Kernel panic - not syncing: hung_task: blocked tasks [ 859.391082] CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.141+ #23 [ 859.391092] ffff8801d9907cc8 ffffffff81b42e79 ffffffff82a78560 00000000ffffffff [ 859.391100] 0000000000000000 0000000000000001 dffffc0000000000 ffff8801d9907d88 [ 859.391109] ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66 [ 859.391111] Call Trace: [ 859.391118] [] dump_stack+0xc1/0x128 [ 859.391124] [] panic+0x1bf/0x39f [ 859.391131] [] ? add_taint.cold.5+0x16/0x16 [ 859.391138] [] ? nmi_trigger_cpumask_backtrace+0x102/0x151 [ 859.391145] [] watchdog+0x6be/0xa20 [ 859.391151] [] ? watchdog+0x11c/0xa20 [ 859.391158] [] kthread+0x26d/0x300 [ 859.391165] [] ? reset_hung_task_detector+0x20/0x20 [ 859.391171] [] ? kthread_park+0xa0/0xa0 [ 859.391178] [] ? __switch_to_asm+0x34/0x70 [ 859.391185] [] ? kthread_park+0xa0/0xa0 [ 859.391191] [] ? kthread_park+0xa0/0xa0 [ 859.391197] [] ret_from_fork+0x5c/0x70 [ 859.405714] Kernel Offset: disabled [ 871.138970] Rebooting in 86400 seconds..