[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.769975][ T26] audit: type=1800 audit(1567453913.717:25): pid=8668 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.810243][ T26] audit: type=1800 audit(1567453913.717:26): pid=8668 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.844193][ T26] audit: type=1800 audit(1567453913.717:27): pid=8668 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.68' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 76.368856][ T8829] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 100.619587][T10155] syz-executor282 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 100.651183][T10155] CPU: 1 PID: 10155 Comm: syz-executor282 Not tainted 5.3.0-rc6-next-20190830 #75 [ 100.660678][T10155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.670731][T10155] Call Trace: [ 100.674056][T10155] dump_stack+0x172/0x1f0 [ 100.678396][T10155] dump_header+0x177/0x1152 [ 100.682905][T10155] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 100.688702][T10155] ? ___ratelimit+0x2c8/0x595 [ 100.693372][T10155] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 100.699189][T10155] ? lockdep_hardirqs_on+0x418/0x5d0 [ 100.704477][T10155] ? trace_hardirqs_on+0x67/0x240 [ 100.709511][T10155] ? pagefault_out_of_memory+0x11c/0x11c [ 100.715149][T10155] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 100.720973][T10155] ? ___ratelimit+0x60/0x595 [ 100.725586][T10155] ? do_raw_spin_unlock+0x57/0x270 [ 100.730703][T10155] oom_kill_process.cold+0x10/0x15 [ 100.735823][T10155] out_of_memory+0x334/0x1340 [ 100.740518][T10155] ? oom_killer_disable+0x280/0x280 [ 100.745723][T10155] ? mutex_trylock+0x252/0x2d0 [ 100.750488][T10155] ? __alloc_pages_slowpath+0xb84/0x2540 [ 100.756124][T10155] __alloc_pages_slowpath+0x1df9/0x2540 [ 100.761695][T10155] ? warn_alloc+0x110/0x110 [ 100.766307][T10155] ? __might_sleep+0x95/0x190 [ 100.770989][T10155] __alloc_pages_nodemask+0x63a/0x900 [ 100.776362][T10155] ? __kasan_check_write+0x14/0x20 [ 100.781481][T10155] ? __alloc_pages_slowpath+0x2540/0x2540 [ 100.787214][T10155] ? mark_lock+0xc2/0x1220 [ 100.791629][T10155] ? pmd_val+0x85/0x100 [ 100.795785][T10155] ? add_mm_counter_fast.part.0+0x40/0x40 [ 100.801506][T10155] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 100.807748][T10155] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 100.814083][T10155] alloc_pages_vma+0x1bc/0x3f0 [ 100.818861][T10155] __handle_mm_fault+0x1de2/0x3f20 [ 100.824327][T10155] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 100.829905][T10155] ? __kasan_check_read+0x11/0x20 [ 100.834940][T10155] handle_mm_fault+0x1b5/0x6c0 [ 100.839715][T10155] __get_user_pages+0x7d4/0x1b30 [ 100.844655][T10155] ? mark_held_locks+0xf0/0xf0 [ 100.849441][T10155] ? follow_page_mask+0x1cf0/0x1cf0 [ 100.854731][T10155] ? __mm_populate+0x270/0x380 [ 100.859762][T10155] ? __kasan_check_write+0x14/0x20 [ 100.864964][T10155] ? down_read+0x109/0x430 [ 100.869388][T10155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 100.875726][T10155] populate_vma_page_range+0x20d/0x2a0 [ 100.881281][T10155] __mm_populate+0x204/0x380 [ 100.885879][T10155] ? populate_vma_page_range+0x2a0/0x2a0 [ 100.891601][T10155] ? __kasan_check_write+0x14/0x20 [ 100.896719][T10155] ? up_write+0x155/0x490 [ 100.901056][T10155] ? ns_capable_common+0x93/0x100 [ 100.906089][T10155] __x64_sys_mlockall+0x473/0x520 [ 100.911121][T10155] do_syscall_64+0xfa/0x760 [ 100.915724][T10155] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.921795][T10155] RIP: 0033:0x446789 [ 100.925790][T10155] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 100.945747][T10155] RSP: 002b:00007f76dc261db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 100.954163][T10155] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446789 [ 100.962155][T10155] RDX: 0000000000446789 RSI: 0000000000446789 RDI: 0000000000000001 [ 100.970134][T10155] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 100.978208][T10155] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 100.987408][T10155] R13: 00007ffdf22ac73f R14: 00007f76dc2629c0 R15: 000000000000002d [ 101.013418][T10155] Mem-Info: [ 101.023353][T10155] active_anon:2582 inactive_anon:1409224 isolated_anon:0 [ 101.023353][T10155] active_file:27 inactive_file:3 isolated_file:0 [ 101.023353][T10155] unevictable:14007 dirty:0 writeback:0 unstable:0 [ 101.023353][T10155] slab_reclaimable:15193 slab_unreclaimable:106520 [ 101.023353][T10155] mapped:220 shmem:245 pagetables:4711 bounce:0 [ 101.023353][T10155] free:25544 free_pcp:167 free_cma:0 [ 101.175644][T10155] Node 0 active_anon:8360kB inactive_anon:2049532kB active_file:100kB inactive_file:60kB unevictable:42308kB isolated(anon):0kB isolated(file):0kB mapped:880kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1994752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 101.302313][T10155] Node 1 active_anon:1968kB inactive_anon:3587364kB active_file:4kB inactive_file:0kB unevictable:13720kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 101.382560][T10155] Node 0 DMA free:10408kB min:220kB low:272kB high:324kB active_anon:4kB inactive_anon:4924kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 101.465019][T10155] lowmem_reserve[]: 0 2547 2548 2548 [ 101.483725][T10155] Node 0 DMA32 free:38424kB min:101720kB low:110764kB high:119808kB active_anon:8324kB inactive_anon:2044604kB active_file:100kB inactive_file:28kB unevictable:41252kB writepending:0kB present:3129332kB managed:2611876kB mlocked:41252kB kernel_stack:9984kB pagetables:7516kB bounce:0kB free_pcp:668kB local_pcp:420kB free_cma:0kB [ 101.587628][T10155] lowmem_reserve[]: 0 0 1 1 [ 101.622428][T10155] Node 0 Normal free:12kB min:16kB low:20kB high:24kB active_anon:32kB inactive_anon:4kB active_file:32kB inactive_file:8kB unevictable:1056kB writepending:0kB present:786432kB managed:1172kB mlocked:1056kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 101.700534][T10155] lowmem_reserve[]: 0 0 0 0 [ 101.721449][T10155] Node 1 Normal free:53332kB min:53684kB low:67104kB high:80524kB active_anon:1968kB inactive_anon:3587364kB active_file:4kB inactive_file:0kB unevictable:13720kB writepending:0kB present:3932160kB managed:3870244kB mlocked:13720kB kernel_stack:7200kB pagetables:11324kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 101.805293][T10155] lowmem_reserve[]: 0 0 0 0 [ 101.821002][T10155] Node 0 DMA: 4*4kB (UM) 3*8kB (UME) 2*16kB (ME) 1*32kB (M) 1*64kB (U) 2*128kB (ME) 1*256kB (E) 1*512kB (E) 3*1024kB (UME) 1*2048kB (E) 1*4096kB (M) = 10408kB [ 101.870335][T10155] Node 0 DMA32: 0*4kB 1639*8kB (U) 1297*16kB (U) 146*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 38536kB [ 101.927923][T10155] Node 0 Normal: 1*4kB (M) 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12kB [ 101.977054][T10155] Node 1 Normal: 33*4kB (UME) 6*8kB (UME) 4*16kB (UM) 3*32kB (ME) 4*64kB (UME) 0*128kB 2*256kB (UM) 2*512kB (UM) 2*1024kB (UE) 2*2048kB (UE) 11*4096kB (M) = 53332kB [ 102.041163][T10155] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 102.076737][T10155] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 102.109055][T10155] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 102.136763][T10155] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 102.181452][T10155] 493 total pagecache pages [ 102.192924][T10155] 0 pages in swap cache [ 102.216184][T10155] Swap cache stats: add 0, delete 0, find 0/0 [ 102.245615][T10155] Free swap = 0kB [ 102.254031][T10155] Total swap = 0kB [ 102.282469][T10155] 1965979 pages RAM [ 102.294179][T10155] 0 pages HighMem/MovableOnly [ 102.314559][T10155] 341179 pages reserved [ 102.332195][T10155] 0 pages cma reserved [ 102.347979][T10155] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor282,pid=8846,uid=0 [ 102.420833][T10155] Out of memory: Killed process 8846 (syz-executor282) total-vm:17980kB, anon-rss:16960kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 102.480090][ T1065] oom_reaper: reaped process 8846 (syz-executor282), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 102.491301][T10155] syz-executor282 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 102.507339][T10155] CPU: 0 PID: 10155 Comm: syz-executor282 Not tainted 5.3.0-rc6-next-20190830 #75 [ 102.516878][T10155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.527155][T10155] Call Trace: [ 102.530477][T10155] dump_stack+0x172/0x1f0 [ 102.536571][T10155] dump_header+0x177/0x1152 [ 102.541069][T10155] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 102.546864][T10155] ? ___ratelimit+0x2c8/0x595 [ 102.551531][T10155] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 102.557428][T10155] ? lockdep_hardirqs_on+0x418/0x5d0 [ 102.562912][T10155] ? trace_hardirqs_on+0x67/0x240 [ 102.568020][T10155] ? pagefault_out_of_memory+0x11c/0x11c [ 102.573667][T10155] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 102.579658][T10155] ? ___ratelimit+0x60/0x595 [ 102.584240][T10155] ? do_raw_spin_unlock+0x57/0x270 [ 102.589371][T10155] oom_kill_process.cold+0x10/0x15 [ 102.594515][T10155] out_of_memory+0x334/0x1340 [ 102.599206][T10155] ? oom_killer_disable+0x280/0x280 [ 102.604392][T10155] ? mutex_trylock+0x252/0x2d0 [ 102.609139][T10155] ? __alloc_pages_slowpath+0xb84/0x2540 [ 102.614772][T10155] __alloc_pages_slowpath+0x1df9/0x2540 [ 102.620322][T10155] ? warn_alloc+0x110/0x110 [ 102.624848][T10155] ? __might_sleep+0x95/0x190 [ 102.629528][T10155] __alloc_pages_nodemask+0x63a/0x900 [ 102.634900][T10155] ? __kasan_check_write+0x14/0x20 [ 102.640016][T10155] ? __alloc_pages_slowpath+0x2540/0x2540 [ 102.645727][T10155] ? mark_lock+0xc2/0x1220 [ 102.650138][T10155] ? pmd_val+0x85/0x100 [ 102.654295][T10155] ? add_mm_counter_fast.part.0+0x40/0x40 [ 102.661582][T10155] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 102.667835][T10155] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 102.674162][T10155] alloc_pages_vma+0x1bc/0x3f0 [ 102.678962][T10155] __handle_mm_fault+0x1de2/0x3f20 [ 102.684176][T10155] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 102.689742][T10155] ? __kasan_check_read+0x11/0x20 [ 102.695647][T10155] handle_mm_fault+0x1b5/0x6c0 [ 102.700412][T10155] __get_user_pages+0x7d4/0x1b30 [ 102.705427][T10155] ? mark_held_locks+0xf0/0xf0 [ 102.710811][T10155] ? follow_page_mask+0x1cf0/0x1cf0 [ 102.716015][T10155] ? __mm_populate+0x270/0x380 [ 102.720775][T10155] ? __kasan_check_write+0x14/0x20 [ 102.725884][T10155] ? down_read+0x109/0x430 [ 102.730304][T10155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.736543][T10155] populate_vma_page_range+0x20d/0x2a0 [ 102.741994][T10155] __mm_populate+0x204/0x380 [ 102.746573][T10155] ? populate_vma_page_range+0x2a0/0x2a0 [ 102.752198][T10155] ? __kasan_check_write+0x14/0x20 [ 102.757299][T10155] ? up_write+0x155/0x490 [ 102.761707][T10155] ? ns_capable_common+0x93/0x100 [ 102.766752][T10155] __x64_sys_mlockall+0x473/0x520 [ 102.771949][T10155] do_syscall_64+0xfa/0x760 [ 102.776626][T10155] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.782502][T10155] RIP: 0033:0x446789 [ 102.786378][T10155] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 102.805967][T10155] RSP: 002b:00007f76dc261db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 102.814382][T10155] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446789 [ 102.822342][T10155] RDX: 0000000000446789 RSI: 0000000000446789 RDI: 0000000000000001 [ 102.830430][T10155] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 102.840573][T10155] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 102.848539][T10155] R13: 00007ffdf22ac73f R14: 00007f76dc2629c0 R15: 000000000000002d [ 102.860226][T10155] Mem-Info: [ 102.863391][T10155] active_anon:2582 inactive_anon:1404993 isolated_anon:0 [ 102.863391][T10155] active_file:26 inactive_file:0 isolated_file:0 [ 102.863391][T10155] unevictable:14007 dirty:0 writeback:0 unstable:0 [ 102.863391][T10155] slab_reclaimable:15191 slab_unreclaimable:106460 [ 102.863391][T10155] mapped:220 shmem:245 pagetables:4703 bounce:0 [ 102.863391][T10155] free:29660 free_pcp:374 free_cma:0 [ 102.905503][T10155] Node 0 active_anon:8348kB inactive_anon:2032584kB active_file:156kB inactive_file:0kB unevictable:42308kB isolated(anon):0kB isolated(file):0kB mapped:880kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1978368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 102.937027][T10155] Node 1 active_anon:1968kB inactive_anon:3587364kB active_file:4kB inactive_file:0kB unevictable:13720kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 102.965373][T10155] Node 0 DMA free:10408kB min:220kB low:272kB high:324kB active_anon:4kB inactive_anon:4924kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 102.993526][T10155] lowmem_reserve[]: 0 2547 2548 2548 [ 102.998839][T10155] Node 0 DMA32 free:54952kB min:101720kB low:110764kB high:119808kB active_anon:8312kB inactive_anon:2027656kB active_file:24kB inactive_file:32kB unevictable:41252kB writepending:0kB present:3129332kB managed:2611876kB mlocked:41252kB kernel_stack:9952kB pagetables:7464kB bounce:0kB free_pcp:1496kB local_pcp:488kB free_cma:0kB [ 103.030099][T10155] lowmem_reserve[]: 0 0 1 1 [ 103.035155][T10155] Node 0 Normal free:12kB min:2064kB low:2068kB high:2072kB active_anon:32kB inactive_anon:4kB active_file:60kB inactive_file:20kB unevictable:1056kB writepending:0kB present:786432kB managed:1172kB mlocked:1056kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 103.063441][T10155] lowmem_reserve[]: 0 0 0 0 [ 103.067988][T10155] Node 1 Normal free:53332kB min:53684kB low:67104kB high:80524kB active_anon:1968kB inactive_anon:3587364kB active_file:4kB inactive_file:0kB unevictable:13720kB writepending:0kB present:3932160kB managed:3870244kB mlocked:13720kB kernel_stack:7200kB pagetables:11324kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 103.098243][T10155] lowmem_reserve[]: 0 0 0 0 [ 103.102898][T10155] Node 0 DMA: 4*4kB (UM) 3*8kB (UME) 2*16kB (ME) 1*32kB (M) 1*64kB (U) 2*128kB (ME) 1*256kB (E) 1*512kB (E) 3*1024kB (UME) 1*2048kB (E) 1*4096kB (M) = 10408kB [ 103.119020][T10155] Node 0 DMA32: 0*4kB 1639*8kB (U) 1297*16kB (U) 147*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 8*2048kB (M) 0*4096kB = 54952kB [ 103.133494][T10155] Node 0 Normal: 1*4kB (M) 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12kB [ 103.145752][T10155] Node 1 Normal: 33*4kB (UME) 6*8kB (UME) 4*16kB (UM) 3*32kB (ME) 4*64kB (UME) 0*128kB 2*256kB (UM) 2*512kB (UM) 2*1024kB (UE) 2*2048kB (UE) 11*4096kB (M) = 53332kB [ 103.162477][T10155] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 103.172349][T10155] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 103.181685][T10155] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 103.191376][T10155] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 103.200911][T10155] 493 total pagecache pages [ 103.205438][T10155] 0 pages in swap cache [ 103.209626][T10155] Swap cache stats: add 0, delete 0, find 0/0 [ 103.216223][T10155] Free swap = 0kB [ 103.219941][T10155] Total swap = 0kB [ 103.223702][T10155] 1965979 pages RAM [ 103.227507][T10155] 0 pages HighMem/MovableOnly [ 103.232228][T10155] 341179 pages reserved [ 103.236431][T10155] 0 pages cma reserved [ 103.240541][T10155] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor282,pid=10145,uid=0 [ 103.254989][T10155] Out of memory: Killed process 10145 (syz-executor282) total-vm:17716kB, anon-rss:16472kB, file-rss:360kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 103.273321][ T1065] [ 103.275843][ T1065] ============================================ [ 103.281986][ T1065] WARNING: possible recursive locking detected [ 103.288135][ T1065] 5.3.0-rc6-next-20190830 #75 Not tainted [ 103.293846][ T1065] -------------------------------------------- [ 103.299991][ T1065] oom_reaper/1065 is trying to acquire lock: [ 103.305964][ T1065] ffffffff8904ff60 (mmu_notifier_invalidate_range_start){+.+.}, at: __mmu_notifier_invalidate_range_end+0x0/0x360 [ 103.317959][ T1065] [ 103.317959][ T1065] but task is already holding lock: [ 103.325324][ T1065] ffffffff8904ff60 (mmu_notifier_invalidate_range_start){+.+.}, at: __oom_reap_task_mm+0x196/0x490 [ 103.336008][ T1065] [ 103.336008][ T1065] other info that might help us debug this: [ 103.344069][ T1065] Possible unsafe locking scenario: [ 103.344069][ T1065] [ 103.351515][ T1065] CPU0 [ 103.354815][ T1065] ---- [ 103.358267][ T1065] lock(mmu_notifier_invalidate_range_start); [ 103.364449][ T1065] lock(mmu_notifier_invalidate_range_start); [ 103.371166][ T1065] [ 103.371166][ T1065] *** DEADLOCK *** [ 103.371166][ T1065] [ 103.379337][ T1065] May be due to missing lock nesting notation [ 103.379337][ T1065] [ 103.387670][ T1065] 2 locks held by oom_reaper/1065: [ 103.392772][ T1065] #0: ffff888094ad3990 (&mm->mmap_sem#2){++++}, at: oom_reaper+0x3a7/0x1320 [ 103.402079][ T1065] #1: ffffffff8904ff60 (mmu_notifier_invalidate_range_start){+.+.}, at: __oom_reap_task_mm+0x196/0x490 [ 103.413200][ T1065] [ 103.413200][ T1065] stack backtrace: [ 103.419182][ T1065] CPU: 1 PID: 1065 Comm: oom_reaper Not tainted 5.3.0-rc6-next-20190830 #75 [ 103.428036][ T1065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.438454][ T1065] Call Trace: [ 103.441870][ T1065] dump_stack+0x172/0x1f0 [ 103.446332][ T1065] __lock_acquire.cold+0x15d/0x385 [ 103.451540][ T1065] ? mark_held_locks+0xf0/0xf0 [ 103.456306][ T1065] ? unmap_page_range+0x1df4/0x2380 [ 103.461507][ T1065] lock_acquire+0x190/0x410 [ 103.466012][ T1065] ? __mmu_notifier_invalidate_range_start+0x210/0x210 [ 103.472862][ T1065] __mmu_notifier_invalidate_range_end+0x3c/0x360 [ 103.479313][ T1065] ? __mmu_notifier_invalidate_range_start+0x210/0x210 [ 103.486321][ T1065] ? __mmu_notifier_invalidate_range_start+0x1a5/0x210 [ 103.493360][ T1065] __oom_reap_task_mm+0x3fa/0x490 [ 103.498389][ T1065] ? process_shares_mm+0x130/0x130 [ 103.503592][ T1065] ? oom_reaper+0x3a7/0x1320 [ 103.508204][ T1065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.514545][ T1065] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.520121][ T1065] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 103.526126][ T1065] ? __kasan_check_read+0x11/0x20 [ 103.531154][ T1065] ? do_raw_spin_unlock+0x57/0x270 [ 103.536264][ T1065] oom_reaper+0x2b2/0x1320 [ 103.540685][ T1065] ? __oom_reap_task_mm+0x490/0x490 [ 103.545930][ T1065] ? trace_hardirqs_on+0x67/0x240 [ 103.550968][ T1065] ? finish_wait+0x260/0x260 [ 103.555568][ T1065] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 103.561816][ T1065] ? __kthread_parkme+0x108/0x1c0 [ 103.566850][ T1065] ? __kasan_check_read+0x11/0x20 [ 103.571984][ T1065] kthread+0x361/0x430 [ 103.576413][ T1065] ? __oom_reap_task_mm+0x490/0x490 [ 103.581634][ T1065] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 103.587918][ T1065] ret_from_fork+0x24/0x30 [ 103.597063][ T1065] oom_reaper: reaped process 10145 (syz-executor282), now anon-rss:16480kB, file-rss:872kB, shmem-rss:0kB [ 103.606002][T10146] syz-executor282 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 103.624973][T10146] CPU: 1 PID: 10146 Comm: syz-executor282 Not tainted 5.3.0-rc6-next-20190830 #75 [ 103.634383][T10146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.644531][T10146] Call Trace: [ 103.647835][T10146] dump_stack+0x172/0x1f0 [ 103.652268][T10146] dump_header+0x177/0x1152 [ 103.656772][T10146] ? ___ratelimit+0xf8/0x595 [ 103.661371][T10146] ? trace_hardirqs_on+0x67/0x240 [ 103.664519][T10147] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 103.666394][T10146] ? pagefault_out_of_memory+0x11c/0x11c [ 103.666410][T10146] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 103.666420][T10146] ? ___ratelimit+0x60/0x595 [ 103.666436][T10146] ? do_raw_spin_unlock+0x57/0x270 [ 103.676071][T10147] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 103.678975][T10146] oom_kill_process.cold+0x10/0x15 [ 103.678990][T10146] out_of_memory+0x334/0x1340 [ 103.679009][T10146] ? oom_killer_disable+0x280/0x280 [ 103.719174][T10146] ? mutex_trylock+0x252/0x2d0 [ 103.723956][T10146] ? __alloc_pages_slowpath+0xb84/0x2540 [ 103.729579][T10146] __alloc_pages_slowpath+0x1df9/0x2540 [ 103.735157][T10146] ? warn_alloc+0x110/0x110 [ 103.739661][T10146] ? __might_sleep+0x95/0x190 [ 103.744343][T10146] __alloc_pages_nodemask+0x63a/0x900 [ 103.749737][T10146] ? __alloc_pages_slowpath+0x2540/0x2540 [ 103.755566][T10146] ? mark_lock+0xc2/0x1220 [ 103.760044][T10146] ? pmd_val+0x85/0x100 [ 103.764233][T10146] ? add_mm_counter_fast.part.0+0x40/0x40 [ 103.769970][T10146] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 103.776213][T10146] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 103.782478][T10146] alloc_pages_vma+0x1bc/0x3f0 [ 103.787242][T10146] __handle_mm_fault+0x1de2/0x3f20 [ 103.792354][T10146] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 103.797902][T10146] ? __kasan_check_read+0x11/0x20 [ 103.802944][T10146] handle_mm_fault+0x1b5/0x6c0 [ 103.807811][T10146] __get_user_pages+0x7d4/0x1b30 [ 103.812744][T10146] ? mark_held_locks+0xf0/0xf0 [ 103.817669][T10146] ? follow_page_mask+0x1cf0/0x1cf0 [ 103.822908][T10146] ? __mm_populate+0x270/0x380 [ 103.827671][T10146] ? __kasan_check_write+0x14/0x20 [ 103.832914][T10146] ? down_read+0x109/0x430 [ 103.837335][T10146] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 103.843048][T10146] populate_vma_page_range+0x20d/0x2a0 [ 103.848505][T10146] __mm_populate+0x204/0x380 [ 103.853091][T10146] ? populate_vma_page_range+0x2a0/0x2a0 [ 103.858717][T10146] ? __kasan_check_write+0x14/0x20 [ 103.863811][T10146] ? up_write+0x155/0x490 [ 103.868130][T10146] ? ns_capable_common+0x93/0x100 [ 103.873179][T10146] __x64_sys_mlockall+0x473/0x520 [ 103.878224][T10146] do_syscall_64+0xfa/0x760 [ 103.882950][T10146] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.888831][T10146] RIP: 0033:0x446789 [ 103.892712][T10146] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 103.912321][T10146] RSP: 002b:00007f76dc261db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 103.920743][T10146] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446789 [ 103.928710][T10146] RDX: 0000000000446789 RSI: 0000000000446789 RDI: 0000000000000001 [ 103.936666][T10146] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 103.944634][T10146] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 103.952600][T10146] R13: 00007ffdf22ac73f R14: 00007f76dc2629c0 R15: 000000000000002d [ 103.963246][T10146] Mem-Info: [ 103.966371][T10146] active_anon:2575 inactive_anon:1404987 isolated_anon:0 [ 103.966371][T10146] active_file:14 inactive_file:16 isolated_file:0 [ 103.966371][T10146] unevictable:10389 dirty:0 writeback:0 unstable:0 [ 103.966371][T10146] slab_reclaimable:15191 slab_unreclaimable:106448 [ 103.966371][T10146] mapped:220 shmem:245 pagetables:4686 bounce:0 [ 103.966371][T10146] free:32943 free_pcp:780 free_cma:0 [ 104.005463][T10146] Node 0 active_anon:8348kB inactive_anon:2032584kB active_file:56kB inactive_file:60kB unevictable:28752kB isolated(anon):0kB isolated(file):0kB mapped:880kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1978368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 104.038195][T10146] Node 1 active_anon:1952kB inactive_anon:3587364kB active_file:8kB inactive_file:0kB unevictable:12804kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 104.067221][T10146] Node 0 DMA free:10408kB min:220kB low:272kB high:324kB active_anon:4kB inactive_anon:4924kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 104.097311][T10146] lowmem_reserve[]: 0 2547 2548 2548 [ 104.102645][T10146] Node 0 DMA32 free:67584kB min:101720kB low:110764kB high:119808kB active_anon:8312kB inactive_anon:2027656kB active_file:16kB inactive_file:40kB unevictable:27864kB writepending:0kB present:3129332kB managed:2611876kB mlocked:27864kB kernel_stack:9952kB pagetables:7440kB bounce:0kB free_pcp:2336kB local_pcp:1316kB free_cma:0kB [ 104.135590][T10146] lowmem_reserve[]: 0 0 1 1 [ 104.140104][T10146] Node 0 Normal free:180kB min:2064kB low:2068kB high:2072kB active_anon:32kB inactive_anon:4kB active_file:48kB inactive_file:12kB unevictable:888kB writepending:0kB present:786432kB managed:1172kB mlocked:888kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 104.169158][T10146] lowmem_reserve[]: 0 0 0 0 [ 104.173721][T10146] Node 1 Normal free:53648kB min:53684kB low:67104kB high:80524kB active_anon:1952kB inactive_anon:3587364kB active_file:20kB inactive_file:0kB unevictable:12804kB writepending:0kB present:3932160kB managed:3870244kB mlocked:12804kB kernel_stack:7136kB pagetables:11300kB bounce:0kB free_pcp:788kB local_pcp:788kB free_cma:0kB [ 104.204941][T10146] lowmem_reserve[]: 0 0 0 0 [ 104.209449][T10146] Node 0 DMA: 4*4kB (UM) 3*8kB (UME) 2*16kB (ME) 1*32kB (M) 1*64kB (U) 2*128kB (ME) 1*256kB (E) 1*512kB (E) 3*1024kB (UME) 1*2048kB (E) 1*4096kB (M) = 10408kB [ 104.225393][T10146] Node 0 DMA32: 746*4kB (UME) 1960*8kB (UM) 1402*16kB (UM) 194*32kB (UM) 19*64kB (UM) 7*128kB (M) 5*256kB (M) 1*512kB (M) 0*1024kB 8*2048kB (M) 0*4096kB = 67592kB [ 104.241726][T10146] Node 0 Normal: 13*4kB (M) 8*8kB (UM) 4*16kB (M) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 180kB [ 104.254529][T10146] Node 1 Normal: 2*4kB (UE) 1*8kB (E) 2*16kB (UM) 3*32kB (UME) 6*64kB (UME) 3*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UE) 2*2048kB (UE) 11*4096kB (M) = 53648kB [ 104.271107][T10146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 104.280661][T10146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 104.289925][T10146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 104.299465][T10146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 104.308821][T10146] 493 total pagecache pages [ 104.313332][T10146] 0 pages in swap cache [ 104.317476][T10146] Swap cache stats: add 0, delete 0, find 0/0 [ 104.323556][T10146] Free swap = 0kB [ 104.327426][T10146] Total swap = 0kB [ 104.331514][T10146] 1965979 pages RAM [ 104.335306][T10146] 0 pages HighMem/MovableOnly [ 104.339954][T10146] 341179 pages reserved [ 104.344122][T10146] 0 pages cma reserved [ 104.348173][T10146] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor282,pid=10144,uid=0 [ 104.362531][T10146] Out of memory: Killed process 10144 (syz-executor282) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 104.403252][ T1065] oom_reaper: reaped process 10144 (syz-executor282), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 104.423093][T10157] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 104.424642][T10144] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 104.451112][T10144] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 104.625367][T10158] syz-executor282 invoked oom-killer: gfp_mask=0x40cc0(GFP_KERNEL|__GFP_COMP), order=1, oom_score_adj=1000 [ 104.667318][T10158] CPU: 1 PID: 10158 Comm: syz-executor282 Not tainted 5.3.0-rc6-next-20190830 #75 [ 104.676715][T10158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.686761][T10158] Call Trace: [ 104.690113][T10158] dump_stack+0x172/0x1f0 [ 104.694542][T10158] dump_header+0x177/0x1152 [ 104.699052][T10158] ? ___ratelimit+0xf8/0x595 [ 104.703751][T10158] ? trace_hardirqs_on+0x67/0x240 [ 104.708806][T10158] ? pagefault_out_of_memory+0x11c/0x11c [ 104.714545][T10158] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 104.720347][T10158] ? ___ratelimit+0x60/0x595 [ 104.724935][T10158] ? do_raw_spin_unlock+0x57/0x270 [ 104.730046][T10158] oom_kill_process.cold+0x10/0x15 [ 104.735158][T10158] out_of_memory+0x334/0x1340 [ 104.739835][T10158] ? oom_killer_disable+0x280/0x280 [ 104.745032][T10158] ? mutex_trylock+0x252/0x2d0 [ 104.749790][T10158] ? __alloc_pages_slowpath+0xb84/0x2540 [ 104.755429][T10158] __alloc_pages_slowpath+0x1df9/0x2540 [ 104.760973][T10158] ? __zone_watermark_ok+0x208/0x360 [ 104.766260][T10158] ? warn_alloc+0x110/0x110 [ 104.770828][T10158] ? __might_sleep+0x95/0x190 [ 104.775499][T10158] __alloc_pages_nodemask+0x63a/0x900 [ 104.780876][T10158] ? __alloc_pages_slowpath+0x2540/0x2540 [ 104.786588][T10158] ? __kasan_check_read+0x11/0x20 [ 104.791608][T10158] ? __alloc_pages_nodemask+0x57b/0x900 [ 104.797157][T10158] ? __alloc_pages_slowpath+0x2540/0x2540 [ 104.802873][T10158] ? trace_hardirqs_on+0x67/0x240 [ 104.807898][T10158] cache_grow_begin+0x90/0xd20 [ 104.812662][T10158] ? lock_downgrade+0x920/0x920 [ 104.817523][T10158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 104.823762][T10158] ? mempolicy_slab_node+0x139/0x390 [ 104.829043][T10158] fallback_alloc+0x1fd/0x2d0 [ 104.833732][T10158] ____cache_alloc_node+0x1bc/0x1d0 [ 104.838926][T10158] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 104.845166][T10158] kmem_cache_alloc_node+0xe3/0x740 [ 104.850363][T10158] ? trace_hardirqs_on+0x67/0x240 [ 104.855384][T10158] copy_process+0x44c4/0x6830 [ 104.860068][T10158] ? task_numa_free+0x540/0x540 [ 104.865444][T10158] ? lru_cache_add+0x236/0x5b0 [ 104.870198][T10158] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 104.876440][T10158] ? __cleanup_sighand+0x60/0x60 [ 104.881378][T10158] ? pmd_trans_migrating+0x360/0x360 [ 104.886656][T10158] ? __kasan_check_read+0x11/0x20 [ 104.891679][T10158] ? do_raw_spin_unlock+0x57/0x270 [ 104.896790][T10158] _do_fork+0x146/0xfa0 [ 104.900942][T10158] ? copy_init_mm+0x20/0x20 [ 104.905437][T10158] ? lock_downgrade+0x920/0x920 [ 104.910293][T10158] ? __kasan_check_write+0x14/0x20 [ 104.915497][T10158] __x64_sys_clone+0x1ab/0x270 [ 104.920253][T10158] ? down_read_non_owner+0x490/0x490 [ 104.925539][T10158] ? __ia32_sys_vfork+0xd0/0xd0 [ 104.930382][T10158] ? handle_mm_fault+0x1d3/0x6c0 [ 104.935320][T10158] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 104.941376][T10158] ? trace_hardirqs_off_caller+0x65/0x230 [ 104.947082][T10158] ? trace_hardirqs_on+0x67/0x240 [ 104.952110][T10158] do_syscall_64+0xfa/0x760 [ 104.956609][T10158] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.962502][T10158] RIP: 0033:0x446789 [ 104.966398][T10158] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 104.986361][T10158] RSP: 002b:00007f76dc240db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 104.995037][T10158] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446789 [ 105.003126][T10158] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000000000000 [ 105.011179][T10158] RBP: 00000000006dbc30 R08: 00000000ffffffff R09: 0000000000000000 [ 105.019142][T10158] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 105.027209][T10158] R13: 00007ffdf22ac73f R14: 00007f76dc2419c0 R15: 000000000000002d [ 105.074956][T10158] Mem-Info: [ 105.078223][T10158] active_anon:2573 inactive_anon:1400781 isolated_anon:0 [ 105.078223][T10158] active_file:9 inactive_file:13 isolated_file:0 [ 105.078223][T10158] unevictable:14594 dirty:0 writeback:0 unstable:0 [ 105.078223][T10158] slab_reclaimable:15191 slab_unreclaimable:106300 [ 105.078223][T10158] mapped:211 shmem:245 pagetables:4677 bounce:0 [ 105.078223][T10158] free:33702 free_pcp:124 free_cma:0 [ 105.108205][T10153] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 105.123046][T10157] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 105.171155][T10153] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 105.177233][T10151] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 105.192265][T10149] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 105.193363][T10151] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 105.203787][T10155] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 105.223641][T10158] Node 0 active_anon:8348kB inactive_anon:2032584kB active_file:72kB inactive_file:44kB unevictable:9252kB isolated(anon):0kB isolated(file):0kB mapped:880kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1978368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 105.232395][T10149] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 105.262673][T10155] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 105.264971][T10161] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 105.295240][T10161] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 105.319028][T10166] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 105.330852][T10158] Node 1 active_anon:2044kB inactive_anon:3570540kB active_file:1156kB inactive_file:392kB unevictable:13324kB isolated(anon):0kB isolated(file):212kB mapped:1464kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 105.339214][T10167] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 105.365224][T10166] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 105.386616][T10168] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 105.421883][T10168] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 105.433281][T10158] Node 0 DMA free:10408kB min:220kB low:272kB high:324kB active_anon:4kB inactive_anon:4924kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 105.450312][T10167] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 105.462092][T10158] lowmem_reserve[]: 0 2547 2548 2548 [ 105.476753][T10158] Node 0 DMA32 free:88496kB min:36184kB low:45228kB high:54272kB active_anon:8312kB inactive_anon:2027656kB active_file:8kB inactive_file:516kB unevictable:9264kB writepending:0kB present:3129332kB managed:2611876kB mlocked:9352kB kernel_stack:9856kB pagetables:7440kB bounce:0kB free_pcp:2436kB local_pcp:1524kB free_cma:0kB [ 105.507957][T10158] lowmem_reserve[]: 0 0 1 1 [ 105.513341][T10158] Node 0 Normal free:96kB min:16kB low:20kB high:24kB active_anon:32kB inactive_anon:4kB active_file:164kB inactive_file:776kB unevictable:88kB writepending:0kB present:786432kB managed:1172kB mlocked:76kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 105.540851][T10158] lowmem_reserve[]: 0 0 0 0 [ 105.545532][T10158] Node 1 Normal free:53508kB min:53684kB low:67104kB high:80524kB active_anon:1944kB inactive_anon:3571200kB active_file:52kB inactive_file:384kB unevictable:24648kB writepending:0kB present:3932160kB managed:3870244kB mlocked:24956kB kernel_stack:7360kB pagetables:11264kB bounce:0kB free_pcp:1964kB local_pcp:1460kB free_cma:0kB [ 105.580217][T10158] lowmem_reserve[]: 0 0 0 0 [ 105.585297][T10158] Node 0 DMA: 4*4kB (UM) 3*8kB (UME) 2*16kB (ME) 1*32kB (M) 1*64kB (U) 2*128kB (ME) 1*256kB (E) 1*512kB (E) 3*1024kB (UME) 1*2048kB (E) 1*4096kB (M) = 10408kB [ 105.602074][T10158] Node 0 DMA32: 883*4kB (UME) 2536*8kB (UM) 1627*16kB (UME) 308*32kB (UME) 68*64kB (UM) 17*128kB (M) 9*256kB (M) 5*512kB (ME) 1*1024kB (E) 2*2048kB (M) 0*4096kB = 76220kB [ 105.621773][T10158] Node 0 Normal: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 20kB [ 105.623702][T10175] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 105.635165][T10158] Node 1 Normal: 18*4kB (UM) 9*8kB (UME) 9*16kB (UM) 8*32kB (UME) 1*64kB (U) 4*128kB (UME) 4*256kB (UM) 5*512kB (ME) 2*1024kB (UM) 1*2048kB (E) 11*4096kB (M) = 53856kB executing program executing program executing program executing program executing program executing program [ 105.667532][T10175] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 105.727726][T10158] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 105.810591][T10158] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 105.812210][T10164] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 105.841300][T10169] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 105.844409][T10158] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 105.848384][T10164] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 105.867900][T10169] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 105.874296][T10158] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB executing program executing program [ 105.907179][T10158] 843 total pagecache pages [ 105.933242][T10178] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 105.936568][T10180] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 105.944750][T10158] 0 pages in swap cache [ 105.951465][T10180] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 105.978346][T10178] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 105.988176][T10158] Swap cache stats: add 0, delete 0, find 0/0 [ 105.994388][T10158] Free swap = 0kB [ 105.998144][T10158] Total swap = 0kB [ 106.002250][T10158] 1965979 pages RAM [ 106.005389][T10176] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 106.006107][T10158] 0 pages HighMem/MovableOnly [ 106.013334][T10176] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 106.017854][T10158] 341179 pages reserved executing program [ 106.031843][T10158] 0 pages cma reserved [ 106.035946][T10158] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor282,pid=10143,uid=0 [ 106.051820][T10158] Out of memory: Killed process 10158 (syz-executor282) total-vm:17848kB, anon-rss:16832kB, file-rss:876kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 106.063769][T10184] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 106.068811][ T1065] oom_reaper: reaped process 10158 (syz-executor282), now anon-rss:16824kB, file-rss:872kB, shmem-rss:0kB [ 106.075498][T10184] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 106.197273][T10158] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 106.210263][T10158] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' executing program executing program [ 106.248197][T10191] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 106.255810][T10191] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 106.278618][T10189] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 106.301870][T10181] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 106.316682][T10189] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 106.334360][T10181] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' executing program [ 106.371623][T10195] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 106.379295][T10195] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 106.410820][T10182] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 106.425876][T10182] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 106.558418][T10185] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 106.576403][T10185] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 106.577217][T10197] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 106.602658][T10197] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 106.631877][T10198] syz-executor282 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 106.644358][T10198] CPU: 0 PID: 10198 Comm: syz-executor282 Not tainted 5.3.0-rc6-next-20190830 #75 [ 106.653545][T10198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.663587][T10198] Call Trace: [ 106.666863][T10198] dump_stack+0x172/0x1f0 [ 106.671369][T10198] dump_header+0x177/0x1152 [ 106.675865][T10198] ? ___ratelimit+0xf8/0x595 [ 106.680440][T10198] ? trace_hardirqs_on+0x67/0x240 [ 106.685449][T10198] ? pagefault_out_of_memory+0x11c/0x11c [ 106.691072][T10198] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 106.696941][T10198] ? ___ratelimit+0x60/0x595 [ 106.701515][T10198] ? do_raw_spin_unlock+0x57/0x270 [ 106.706637][T10198] oom_kill_process.cold+0x10/0x15 [ 106.711756][T10198] out_of_memory+0x334/0x1340 [ 106.716414][T10198] ? oom_killer_disable+0x280/0x280 [ 106.721609][T10198] ? mutex_trylock+0x252/0x2d0 [ 106.726360][T10198] ? __alloc_pages_slowpath+0xb84/0x2540 [ 106.731968][T10198] __alloc_pages_slowpath+0x1df9/0x2540 [ 106.737497][T10198] ? warn_alloc+0x110/0x110 [ 106.741984][T10198] ? _raw_spin_unlock_irq+0x5e/0x90 [ 106.748386][T10198] ? __might_sleep+0x95/0x190 [ 106.753046][T10198] __alloc_pages_nodemask+0x63a/0x900 [ 106.758576][T10198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 106.764803][T10198] ? __alloc_pages_slowpath+0x2540/0x2540 [ 106.770506][T10198] ? release_pages+0xd9a/0x1a50 [ 106.775603][T10198] ? lock_downgrade+0x920/0x920 [ 106.780448][T10198] ? pmd_val+0x85/0x100 [ 106.784584][T10198] ? add_mm_counter_fast.part.0+0x40/0x40 [ 106.790284][T10198] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 106.796591][T10198] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 106.802810][T10198] alloc_pages_vma+0x1bc/0x3f0 [ 106.807648][T10198] __handle_mm_fault+0x1de2/0x3f20 [ 106.812756][T10198] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 106.818479][T10198] ? __kasan_check_read+0x11/0x20 [ 106.823619][T10198] ? do_raw_spin_unlock+0x57/0x270 [ 106.828717][T10198] ? trace_hardirqs_on+0x67/0x240 [ 106.833737][T10198] handle_mm_fault+0x1b5/0x6c0 [ 106.838491][T10198] __get_user_pages+0x7d4/0x1b30 [ 106.843409][T10198] ? mark_held_locks+0xf0/0xf0 [ 106.848184][T10198] ? follow_page_mask+0x1cf0/0x1cf0 [ 106.853365][T10198] ? __mm_populate+0x270/0x380 [ 106.858112][T10198] ? __kasan_check_write+0x14/0x20 [ 106.863231][T10198] ? down_read+0x109/0x430 [ 106.867661][T10198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 106.873899][T10198] populate_vma_page_range+0x20d/0x2a0 [ 106.879341][T10198] __mm_populate+0x204/0x380 [ 106.883909][T10198] ? populate_vma_page_range+0x2a0/0x2a0 [ 106.889516][T10198] ? __kasan_check_write+0x14/0x20 [ 106.894690][T10198] ? up_write+0x155/0x490 [ 106.899004][T10198] ? ns_capable_common+0x93/0x100 [ 106.904016][T10198] __x64_sys_mlockall+0x473/0x520 [ 106.909028][T10198] do_syscall_64+0xfa/0x760 [ 106.913528][T10198] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 106.919399][T10198] RIP: 0033:0x446789 [ 106.923268][T10198] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 106.942855][T10198] RSP: 002b:00007f76dc240db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 106.951342][T10198] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446789 [ 106.959306][T10198] RDX: 0000000000402714 RSI: db77a3d3f3f069a2 RDI: 0000000000000001 [ 106.967263][T10198] RBP: 00000000006dbc30 R08: 00007f76dc241700 R09: 0000000000000000 [ 106.975481][T10198] R10: 00007f76dc241700 R11: 0000000000000246 R12: 00000000006dbc3c [ 106.983484][T10198] R13: 00007ffdf22ac73f R14: 00007f76dc2419c0 R15: 000000000000002d [ 107.002891][T10198] Mem-Info: [ 107.006036][T10198] active_anon:2588 inactive_anon:1409253 isolated_anon:0 [ 107.006036][T10198] active_file:8 inactive_file:8 isolated_file:6 [ 107.006036][T10198] unevictable:12196 dirty:0 writeback:0 unstable:0 [ 107.006036][T10198] slab_reclaimable:15429 slab_unreclaimable:106449 [ 107.006036][T10198] mapped:220 shmem:245 pagetables:4703 bounce:0 [ 107.006036][T10198] free:27035 free_pcp:0 free_cma:0 [ 107.043424][T10198] Node 0 active_anon:8496kB inactive_anon:2057404kB active_file:12kB inactive_file:8kB unevictable:30672kB isolated(anon):0kB isolated(file):24kB mapped:880kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1988608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 107.072996][T10198] Node 1 active_anon:1856kB inactive_anon:3579608kB active_file:8kB inactive_file:36kB unevictable:18112kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 107.100702][T10198] Node 0 DMA free:10404kB min:220kB low:272kB high:324kB active_anon:4kB inactive_anon:4924kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 107.128104][T10198] lowmem_reserve[]: 0 2547 2548 2548 [ 107.133673][T10198] Node 0 DMA32 free:44864kB min:99672kB low:108716kB high:117760kB active_anon:8452kB inactive_anon:2052476kB active_file:12kB inactive_file:8kB unevictable:30644kB writepending:0kB present:3129332kB managed:2611876kB mlocked:30644kB kernel_stack:10272kB pagetables:7532kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 107.163895][T10198] lowmem_reserve[]: 0 0 1 1 [ 107.168388][T10198] Node 0 Normal free:16kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:28kB writepending:0kB present:786432kB managed:1172kB mlocked:28kB kernel_stack:32kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 107.195572][T10198] lowmem_reserve[]: 0 0 0 0 [ 107.200093][T10198] Node 1 Normal free:53384kB min:53684kB low:67104kB high:80524kB active_anon:1856kB inactive_anon:3579608kB active_file:0kB inactive_file:48kB unevictable:18112kB writepending:0kB present:3932160kB managed:3870244kB mlocked:18112kB kernel_stack:6912kB pagetables:11192kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 107.230264][T10198] lowmem_reserve[]: 0 0 0 0 [ 107.234789][T10198] Node 0 DMA: 3*4kB (UM) 3*8kB (UME) 2*16kB (ME) 1*32kB (M) 1*64kB (U) 2*128kB (ME) 1*256kB (E) 1*512kB (E) 3*1024kB (UME) 1*2048kB (E) 1*4096kB (M) = 10404kB [ 107.251153][T10198] Node 0 DMA32: 78*4kB (UME) 1861*8kB (UM) 1477*16kB (UME) 190*32kB (UM) 4*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 45168kB [ 107.266096][T10198] Node 0 Normal: 0*4kB 2*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 16kB [ 107.277947][T10198] Node 1 Normal: 87*4kB (UM) 16*8kB (M) 31*16kB (UME) 10*32kB (UM) 1*64kB (M) 1*128kB (U) 4*256kB (UME) 6*512kB (UME) 1*1024kB (M) 1*2048kB (E) 11*4096kB (M) = 53708kB [ 107.294957][T10198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 107.304613][T10198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 107.313950][T10198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 107.323730][T10198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 107.333027][T10198] 485 total pagecache pages [ 107.337511][T10198] 0 pages in swap cache [ 107.341695][T10198] Swap cache stats: add 0, delete 0, find 0/0 [ 107.347737][T10198] Free swap = 0kB [ 107.351485][T10198] Total swap = 0kB [ 107.355197][T10198] 1965979 pages RAM [ 107.359082][T10198] 0 pages HighMem/MovableOnly [ 107.364007][T10198] 341179 pages reserved [ 107.368144][T10198] 0 pages cma reserved [ 107.372208][T10198] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor282,pid=10187,uid=0 [ 107.386570][T10198] Out of memory: Killed process 10187 (syz-executor282) total-vm:17980kB, anon-rss:16960kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 107.405982][ T1065] oom_reaper: reaped process 10187 (syz-executor282), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 107.421343][T10187] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 107.428415][T10187] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 107.971978][T10191] syz-executor282 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 107.984586][T10191] CPU: 1 PID: 10191 Comm: syz-executor282 Not tainted 5.3.0-rc6-next-20190830 #75 [ 107.993894][T10191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.004024][T10191] Call Trace: [ 108.007325][T10191] dump_stack+0x172/0x1f0 [ 108.011655][T10191] dump_header+0x177/0x1152 [ 108.016250][T10191] ? ___ratelimit+0xf8/0x595 [ 108.020971][T10191] ? trace_hardirqs_on+0x67/0x240 [ 108.025987][T10191] ? pagefault_out_of_memory+0x11c/0x11c [ 108.031663][T10191] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 108.037462][T10191] ? ___ratelimit+0x60/0x595 [ 108.042072][T10191] ? do_raw_spin_unlock+0x57/0x270 [ 108.047181][T10191] oom_kill_process.cold+0x10/0x15 [ 108.052315][T10191] out_of_memory+0x334/0x1340 [ 108.057161][T10191] ? oom_killer_disable+0x280/0x280 [ 108.062457][T10191] ? mutex_trylock+0x252/0x2d0 [ 108.067415][T10191] ? __alloc_pages_slowpath+0xb84/0x2540 [ 108.073055][T10191] __alloc_pages_slowpath+0x1df9/0x2540 [ 108.078596][T10191] ? warn_alloc+0x110/0x110 [ 108.083083][T10191] ? __might_sleep+0x95/0x190 [ 108.087774][T10191] __alloc_pages_nodemask+0x63a/0x900 [ 108.093150][T10191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 108.099391][T10191] ? __alloc_pages_slowpath+0x2540/0x2540 [ 108.105109][T10191] ? release_pages+0xd9a/0x1a50 [ 108.109961][T10191] ? lock_downgrade+0x920/0x920 [ 108.114826][T10191] ? pmd_val+0x85/0x100 [ 108.118978][T10191] ? add_mm_counter_fast.part.0+0x40/0x40 [ 108.124689][T10191] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 108.131102][T10191] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 108.137427][T10191] alloc_pages_vma+0x1bc/0x3f0 [ 108.142190][T10191] __handle_mm_fault+0x1de2/0x3f20 [ 108.147307][T10191] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 108.152850][T10191] ? __kasan_check_read+0x11/0x20 [ 108.157865][T10191] ? do_raw_spin_unlock+0x57/0x270 [ 108.162961][T10191] ? trace_hardirqs_on+0x67/0x240 [ 108.168051][T10191] handle_mm_fault+0x1b5/0x6c0 [ 108.172906][T10191] __get_user_pages+0x7d4/0x1b30 [ 108.177823][T10191] ? mark_held_locks+0xf0/0xf0 [ 108.182576][T10191] ? follow_page_mask+0x1cf0/0x1cf0 [ 108.191518][T10191] ? __mm_populate+0x270/0x380 [ 108.196274][T10191] ? __kasan_check_write+0x14/0x20 [ 108.201382][T10191] ? down_read+0x109/0x430 [ 108.205807][T10191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 108.212067][T10191] populate_vma_page_range+0x20d/0x2a0 [ 108.217572][T10191] __mm_populate+0x204/0x380 [ 108.222150][T10191] ? populate_vma_page_range+0x2a0/0x2a0 [ 108.227771][T10191] ? __kasan_check_write+0x14/0x20 [ 108.232863][T10191] ? up_write+0x155/0x490 [ 108.237451][T10191] ? ns_capable_common+0x93/0x100 [ 108.242466][T10191] __x64_sys_mlockall+0x473/0x520 [ 108.247486][T10191] do_syscall_64+0xfa/0x760 [ 108.251972][T10191] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.258672][T10191] RIP: 0033:0x446789 [ 108.262555][T10191] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 108.282402][T10191] RSP: 002b:00007f76dc261db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 108.290796][T10191] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446789 [ 108.298753][T10191] RDX: 0000000000446789 RSI: 0000000000446789 RDI: 0000000000000001 [ 108.307058][T10191] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 108.315107][T10191] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 108.323237][T10191] R13: 00007ffdf22ac73f R14: 00007f76dc2629c0 R15: 000000000000002d [ 108.332198][T10191] Mem-Info: [ 108.335361][T10191] active_anon:2588 inactive_anon:1409211 isolated_anon:0 [ 108.335361][T10191] active_file:36 inactive_file:15 isolated_file:6 [ 108.335361][T10191] unevictable:8771 dirty:0 writeback:0 unstable:0 [ 108.335361][T10191] slab_reclaimable:15429 slab_unreclaimable:106512 [ 108.335361][T10191] mapped:264 shmem:245 pagetables:4690 bounce:0 [ 108.335361][T10191] free:30384 free_pcp:215 free_cma:0 [ 108.373117][T10191] Node 0 active_anon:8496kB inactive_anon:2058772kB active_file:12kB inactive_file:8kB unevictable:17172kB isolated(anon):0kB isolated(file):24kB mapped:880kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1988608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 108.401986][T10191] Node 1 active_anon:1856kB inactive_anon:3578072kB active_file:16kB inactive_file:52kB unevictable:17912kB isolated(anon):0kB isolated(file):0kB mapped:76kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 108.429764][T10191] Node 0 DMA free:10404kB min:220kB low:272kB high:324kB active_anon:4kB inactive_anon:4924kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 108.457220][T10191] lowmem_reserve[]: 0 2547 2548 2548 [ 108.462534][T10191] Node 0 DMA32 free:57444kB min:99672kB low:108716kB high:117760kB active_anon:8452kB inactive_anon:2053844kB active_file:12kB inactive_file:8kB unevictable:17144kB writepending:0kB present:3129332kB managed:2611876kB mlocked:17164kB kernel_stack:10208kB pagetables:7480kB bounce:0kB free_pcp:76kB local_pcp:0kB free_cma:0kB [ 108.492966][T10191] lowmem_reserve[]: 0 0 1 1 [ 108.497483][T10191] Node 0 Normal free:8kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:28kB writepending:0kB present:786432kB managed:1172kB mlocked:28kB kernel_stack:32kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 108.524418][T10191] lowmem_reserve[]: 0 0 0 0 [ 108.528911][T10191] Node 1 Normal free:53680kB min:53684kB low:67104kB high:80524kB active_anon:1856kB inactive_anon:3577896kB active_file:0kB inactive_file:0kB unevictable:18188kB writepending:0kB present:3932160kB managed:3870244kB mlocked:17980kB kernel_stack:6912kB pagetables:11192kB bounce:0kB free_pcp:1004kB local_pcp:0kB free_cma:0kB [ 108.559409][T10191] lowmem_reserve[]: 0 0 0 0 [ 108.563928][T10191] Node 0 DMA: 3*4kB (UM) 3*8kB (UME) 2*16kB (ME) 1*32kB (M) 1*64kB (U) 2*128kB (ME) 1*256kB (E) 1*512kB (E) 3*1024kB (UME) 1*2048kB (E) 1*4096kB (M) = 10404kB [ 108.579869][T10191] Node 0 DMA32: 317*4kB (UME) 2192*8kB (UM) 1620*16kB (UME) 296*32kB (UM) 40*64kB (UM) 6*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 57524kB [ 108.595220][T10191] Node 0 Normal: 1*4kB (U) 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12kB [ 108.607409][T10191] Node 1 Normal: 3*4kB (UME) 1*8kB (U) 29*16kB (UME) 5*32kB (UM) 10*64kB (M) 6*128kB (UM) 2*256kB (M) 6*512kB (UME) 1*1024kB (M) 1*2048kB (E) 11*4096kB (M) = 53764kB [ 108.623973][T10191] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 108.633522][T10191] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 108.642808][T10191] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 108.652351][T10191] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 108.661628][T10191] 509 total pagecache pages [ 108.666118][T10191] 0 pages in swap cache [ 108.670279][T10191] Swap cache stats: add 0, delete 0, find 0/0 [ 108.676329][T10191] Free swap = 0kB [ 108.680037][T10191] Total swap = 0kB [ 108.683763][T10191] 1965979 pages RAM [ 108.687544][T10191] 0 pages HighMem/MovableOnly [ 108.692213][T10191] 341179 pages reserved [ 108.696344][T10191] 0 pages cma reserved [ 108.701548][T10191] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor282,pid=10173,uid=0 [ 108.715939][T10191] Out of memory: Killed process 10173 (syz-executor282) total-vm:17976kB, anon-rss:16956kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 108.736961][ T1065] oom_reaper: reaped process 10173 (syz-executor282), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 108.749099][T10173] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 108.756346][T10173] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 108.800618][T10203] syz-executor282 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 108.813184][T10203] CPU: 1 PID: 10203 Comm: syz-executor282 Not tainted 5.3.0-rc6-next-20190830 #75 [ 108.822708][T10203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.832844][T10203] Call Trace: [ 108.836221][T10203] dump_stack+0x172/0x1f0 [ 108.840548][T10203] dump_header+0x177/0x1152 [ 108.845045][T10203] ? ___ratelimit+0xf8/0x595 [ 108.849633][T10203] ? trace_hardirqs_on+0x67/0x240 [ 108.854659][T10203] ? pagefault_out_of_memory+0x11c/0x11c [ 108.860285][T10203] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 108.866177][T10203] ? ___ratelimit+0x60/0x595 [ 108.870758][T10203] ? do_raw_spin_unlock+0x57/0x270 [ 108.875869][T10203] oom_kill_process.cold+0x10/0x15 [ 108.880977][T10203] out_of_memory+0x334/0x1340 [ 108.885650][T10203] ? oom_killer_disable+0x280/0x280 [ 108.890851][T10203] ? mutex_trylock+0x252/0x2d0 [ 108.895608][T10203] ? __alloc_pages_slowpath+0xb84/0x2540 [ 108.901250][T10203] __alloc_pages_slowpath+0x1df9/0x2540 [ 108.906781][T10203] ? kasan_slab_alloc+0xf/0x20 [ 108.911547][T10203] ? warn_alloc+0x110/0x110 [ 108.916061][T10203] ? __might_sleep+0x95/0x190 [ 108.920734][T10203] __alloc_pages_nodemask+0x63a/0x900 [ 108.926191][T10203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 108.932427][T10203] ? __alloc_pages_slowpath+0x2540/0x2540 [ 108.938138][T10203] ? release_pages+0xd9a/0x1a50 [ 108.942985][T10203] ? lock_downgrade+0x920/0x920 [ 108.947826][T10203] ? pmd_val+0x85/0x100 [ 108.951988][T10203] ? add_mm_counter_fast.part.0+0x40/0x40 [ 108.957708][T10203] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 108.963943][T10203] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 108.970264][T10203] alloc_pages_vma+0x1bc/0x3f0 [ 108.975022][T10203] __handle_mm_fault+0x1de2/0x3f20 [ 108.980135][T10203] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 108.985681][T10203] ? __kasan_check_read+0x11/0x20 [ 108.990700][T10203] ? do_raw_spin_unlock+0x57/0x270 [ 108.995800][T10203] ? trace_hardirqs_on+0x67/0x240 [ 109.001001][T10203] handle_mm_fault+0x1b5/0x6c0 [ 109.005767][T10203] __get_user_pages+0x7d4/0x1b30 [ 109.010695][T10203] ? mark_held_locks+0xf0/0xf0 [ 109.015537][T10203] ? follow_page_mask+0x1cf0/0x1cf0 [ 109.020728][T10203] ? __mm_populate+0x270/0x380 [ 109.025493][T10203] ? __kasan_check_write+0x14/0x20 [ 109.030601][T10203] ? down_read+0x109/0x430 [ 109.035018][T10203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.041254][T10203] populate_vma_page_range+0x20d/0x2a0 [ 109.046713][T10203] __mm_populate+0x204/0x380 [ 109.051298][T10203] ? populate_vma_page_range+0x2a0/0x2a0 [ 109.056924][T10203] ? __kasan_check_write+0x14/0x20 [ 109.062125][T10203] ? up_write+0x155/0x490 [ 109.066447][T10203] ? ns_capable_common+0x93/0x100 [ 109.071553][T10203] __x64_sys_mlockall+0x473/0x520 [ 109.076688][T10203] do_syscall_64+0xfa/0x760 [ 109.081272][T10203] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.087159][T10203] RIP: 0033:0x446789 [ 109.091046][T10203] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 109.110637][T10203] RSP: 002b:00007f76dc240db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 109.119030][T10203] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446789 [ 109.127074][T10203] RDX: 0000000000402714 RSI: db77a3d3f3f069a2 RDI: 0000000000000001 [ 109.135036][T10203] RBP: 00000000006dbc30 R08: 00007f76dc241700 R09: 0000000000000000 [ 109.142998][T10203] R10: 00007f76dc241700 R11: 0000000000000246 R12: 00000000006dbc3c [ 109.150967][T10203] R13: 00007ffdf22ac73f R14: 00007f76dc2419c0 R15: 000000000000002d [ 109.159601][T10203] Mem-Info: [ 109.163093][T10203] active_anon:2593 inactive_anon:1404986 isolated_anon:0 [ 109.163093][T10203] active_file:11 inactive_file:84 isolated_file:0 [ 109.163093][T10203] unevictable:9894 dirty:0 writeback:0 unstable:0 [ 109.163093][T10203] slab_reclaimable:15430 slab_unreclaimable:105983 [ 109.163093][T10203] mapped:220 shmem:245 pagetables:4685 bounce:0 [ 109.163093][T10203] free:34189 free_pcp:57 free_cma:0 [ 109.202846][T10203] Node 0 active_anon:8460kB inactive_anon:2046104kB active_file:20kB inactive_file:24kB unevictable:17164kB isolated(anon):0kB isolated(file):0kB mapped:880kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1978368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 109.231642][T10203] Node 1 active_anon:1912kB inactive_anon:3573840kB active_file:24kB inactive_file:88kB unevictable:23412kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 109.259519][T10203] Node 0 DMA free:10404kB min:220kB low:272kB high:324kB active_anon:4kB inactive_anon:4924kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 109.287259][T10203] lowmem_reserve[]: 0 2547 2548 2548 [ 109.292580][T10203] Node 0 DMA32 free:72380kB min:99672kB low:108716kB high:117760kB active_anon:8416kB inactive_anon:2041176kB active_file:16kB inactive_file:24kB unevictable:17140kB writepending:0kB present:3129332kB managed:2611876kB mlocked:17140kB kernel_stack:10144kB pagetables:7436kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 109.324379][T10203] lowmem_reserve[]: 0 0 1 1 [ 109.329090][T10203] Node 0 Normal free:180kB min:2064kB low:2068kB high:2072kB active_anon:40kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:24kB writepending:0kB present:786432kB managed:1172kB mlocked:24kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 109.363286][T10203] lowmem_reserve[]: 0 0 0 0 [ 109.367905][T10203] Node 1 Normal free:53388kB min:53684kB low:67104kB high:80524kB active_anon:1888kB inactive_anon:3573840kB active_file:40kB inactive_file:16kB unevictable:23476kB writepending:0kB present:3932160kB managed:3870244kB mlocked:23476kB kernel_stack:7040kB pagetables:11272kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 109.404013][T10203] lowmem_reserve[]: 0 0 0 0 [ 109.408598][T10203] Node 0 DMA: 3*4kB (UM) 3*8kB (UME) 2*16kB (ME) 1*32kB (M) 1*64kB (U) 2*128kB (ME) 1*256kB (E) 1*512kB (E) 3*1024kB (UME) 1*2048kB (E) 1*4096kB (M) = 10404kB [ 109.428278][T10203] Node 0 DMA32: 712*4kB (UME) 2483*8kB (UM) 1635*16kB (UME) 312*32kB (UM) 40*64kB (UM) 6*128kB (M) 0*256kB 0*512kB 0*1024kB 5*2048kB (M) 0*4096kB = 72424kB [ 109.448363][T10203] Node 0 Normal: 15*4kB (U) 7*8kB (U) 2*16kB (U) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 180kB [ 109.467038][T10203] Node 1 Normal: 11*4kB (UME) 10*8kB (UME) 8*16kB (U) 2*32kB (UM) 4*64kB (UM) 7*128kB (M) 3*256kB (ME) 6*512kB (UME) 1*1024kB (M) 1*2048kB (E) 11*4096kB (M) = 53436kB [ 109.488343][T10203] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 109.498130][T10203] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 109.510915][T10203] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 109.522343][T10203] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 109.531644][T10203] 500 total pagecache pages [ 109.536152][T10203] 0 pages in swap cache [ 109.542459][T10203] Swap cache stats: add 0, delete 0, find 0/0 [ 109.548519][T10203] Free swap = 0kB [ 109.552269][T10203] Total swap = 0kB [ 109.555976][T10203] 1965979 pages RAM [ 109.559760][T10203] 0 pages HighMem/MovableOnly [ 109.565587][T10203] 341179 pages reserved [ 109.569741][T10203] 0 pages cma reserved [ 109.573830][T10203] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor282,pid=10200,uid=0 [ 109.588228][T10203] Out of memory: Killed process 10200 (syz-executor282) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 109.615912][T10200] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 109.623274][T10200] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 109.753367][T10198] syz-executor282 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 109.767852][T10198] CPU: 1 PID: 10198 Comm: syz-executor282 Not tainted 5.3.0-rc6-next-20190830 #75 [ 109.777063][T10198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.787101][T10198] Call Trace: [ 109.790467][T10198] dump_stack+0x172/0x1f0 [ 109.794779][T10198] dump_header+0x177/0x1152 [ 109.799373][T10198] ? ___ratelimit+0xf8/0x595 [ 109.803954][T10198] ? trace_hardirqs_on+0x67/0x240 [ 109.808976][T10198] ? pagefault_out_of_memory+0x11c/0x11c [ 109.814732][T10198] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 109.820529][T10198] ? ___ratelimit+0x60/0x595 [ 109.825112][T10198] ? do_raw_spin_unlock+0x57/0x270 [ 109.830210][T10198] oom_kill_process.cold+0x10/0x15 [ 109.835297][T10198] out_of_memory+0x334/0x1340 [ 109.840064][T10198] ? oom_killer_disable+0x280/0x280 [ 109.845334][T10198] ? mutex_trylock+0x252/0x2d0 [ 109.850223][T10198] ? __alloc_pages_slowpath+0xb84/0x2540 [ 109.856292][T10198] __alloc_pages_slowpath+0x1df9/0x2540 [ 109.861826][T10198] ? kasan_slab_alloc+0xf/0x20 [ 109.866610][T10198] ? warn_alloc+0x110/0x110 [ 109.871125][T10198] ? __might_sleep+0x95/0x190 [ 109.875778][T10198] __alloc_pages_nodemask+0x63a/0x900 [ 109.881137][T10198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.887374][T10198] ? __alloc_pages_slowpath+0x2540/0x2540 [ 109.893069][T10198] ? release_pages+0xd9a/0x1a50 [ 109.897929][T10198] ? lock_downgrade+0x920/0x920 [ 109.902777][T10198] ? pmd_val+0x85/0x100 [ 109.906920][T10198] ? add_mm_counter_fast.part.0+0x40/0x40 [ 109.912701][T10198] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 109.918919][T10198] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 109.925151][T10198] alloc_pages_vma+0x1bc/0x3f0 [ 109.930014][T10198] __handle_mm_fault+0x1de2/0x3f20 [ 109.935108][T10198] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 109.940640][T10198] ? __kasan_check_read+0x11/0x20 [ 109.945656][T10198] ? do_raw_spin_unlock+0x57/0x270 [ 109.950779][T10198] ? trace_hardirqs_on+0x67/0x240 [ 109.956099][T10198] handle_mm_fault+0x1b5/0x6c0 [ 109.960861][T10198] __get_user_pages+0x7d4/0x1b30 [ 109.965793][T10198] ? mark_held_locks+0xf0/0xf0 [ 109.970547][T10198] ? follow_page_mask+0x1cf0/0x1cf0 [ 109.975734][T10198] ? __mm_populate+0x270/0x380 [ 109.980489][T10198] ? __kasan_check_write+0x14/0x20 [ 109.985596][T10198] ? down_read+0x109/0x430 [ 109.990023][T10198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.996253][T10198] populate_vma_page_range+0x20d/0x2a0 [ 110.001709][T10198] __mm_populate+0x204/0x380 [ 110.006297][T10198] ? populate_vma_page_range+0x2a0/0x2a0 [ 110.012027][T10198] ? __kasan_check_write+0x14/0x20 [ 110.017233][T10198] ? up_write+0x155/0x490 [ 110.021627][T10198] ? ns_capable_common+0x93/0x100 [ 110.026694][T10198] __x64_sys_mlockall+0x473/0x520 [ 110.031868][T10198] do_syscall_64+0xfa/0x760 [ 110.036358][T10198] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.042237][T10198] RIP: 0033:0x446789 [ 110.046128][T10198] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 110.066078][T10198] RSP: 002b:00007f76dc240db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 110.074493][T10198] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446789 [ 110.082450][T10198] RDX: 0000000000402714 RSI: db77a3d3f3f069a2 RDI: 0000000000000001 [ 110.090411][T10198] RBP: 00000000006dbc30 R08: 00007f76dc241700 R09: 0000000000000000 [ 110.098456][T10198] R10: 00007f76dc241700 R11: 0000000000000246 R12: 00000000006dbc3c [ 110.106411][T10198] R13: 00007ffdf22ac73f R14: 00007f76dc2419c0 R15: 000000000000002d [ 110.116895][T10198] Mem-Info: [ 110.120094][T10198] active_anon:2589 inactive_anon:1400780 isolated_anon:0 [ 110.120094][T10198] active_file:13 inactive_file:9 isolated_file:0 [ 110.120094][T10198] unevictable:10802 dirty:0 writeback:0 unstable:0 [ 110.120094][T10198] slab_reclaimable:15430 slab_unreclaimable:105927 [ 110.120094][T10198] mapped:220 shmem:245 pagetables:4677 bounce:0 [ 110.120094][T10198] free:37226 free_pcp:558 free_cma:0 [ 110.160231][T10198] Node 0 active_anon:8460kB inactive_anon:2032580kB active_file:124kB inactive_file:0kB unevictable:17168kB isolated(anon):0kB isolated(file):0kB mapped:880kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1978368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 110.192251][T10198] Node 1 active_anon:1896kB inactive_anon:3570540kB active_file:28kB inactive_file:16kB unevictable:26040kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 110.223290][T10198] Node 0 DMA free:10404kB min:220kB low:272kB high:324kB active_anon:4kB inactive_anon:4924kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 110.251790][T10198] lowmem_reserve[]: 0 2547 2548 2548 [ 110.257196][T10198] Node 0 DMA32 free:84868kB min:99672kB low:108716kB high:117760kB active_anon:8412kB inactive_anon:2027656kB active_file:12kB inactive_file:28kB unevictable:17144kB writepending:0kB present:3129332kB managed:2611876kB mlocked:17144kB kernel_stack:10144kB pagetables:7436kB bounce:0kB free_pcp:1400kB local_pcp:1388kB free_cma:0kB [ 110.292438][T10198] lowmem_reserve[]: 0 0 1 1 [ 110.297121][T10198] Node 0 Normal free:188kB min:2064kB low:2068kB high:2072kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:24kB writepending:0kB present:786432kB managed:1172kB mlocked:24kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 110.326839][T10198] lowmem_reserve[]: 0 0 0 0 [ 110.331502][T10198] Node 1 Normal free:53468kB min:53684kB low:67104kB high:80524kB active_anon:1896kB inactive_anon:3570540kB active_file:48kB inactive_file:0kB unevictable:26040kB writepending:0kB present:3932160kB managed:3870244kB mlocked:26040kB kernel_stack:7040kB pagetables:11240kB bounce:0kB free_pcp:832kB local_pcp:496kB free_cma:0kB [ 110.363188][T10198] lowmem_reserve[]: 0 0 0 0 [ 110.367709][T10198] Node 0 DMA: 3*4kB (UM) 3*8kB (UME) 2*16kB (ME) 1*32kB (M) 1*64kB (U) 2*128kB (ME) 1*256kB (E) 1*512kB (E) 3*1024kB (UME) 1*2048kB (E) 1*4096kB (M) = 10404kB [ 110.384842][T10198] Node 0 DMA32: 1309*4kB (UME) 2796*8kB (UM) 1791*16kB (UME) 376*32kB (UM) 69*64kB (UM) 15*128kB (M) 0*256kB 0*512kB 0*1024kB 5*2048kB (M) 0*4096kB = 84868kB [ 110.401784][T10198] Node 0 Normal: 17*4kB (U) 7*8kB (U) 2*16kB (U) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 188kB [ 110.414891][T10198] Node 1 Normal: 1*4kB (E) 1*8kB (E) 1*16kB (U) 6*32kB (UM) 4*64kB (M) 8*128kB (M) 3*256kB (ME) 6*512kB (UME) 1*1024kB (M) 1*2048kB (E) 11*4096kB (M) = 53468kB [ 110.430964][T10198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 110.440557][T10198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 110.449829][T10198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 110.459390][T10198] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 110.468673][T10198] 485 total pagecache pages [ 110.473197][T10198] 0 pages in swap cache [ 110.477411][T10198] Swap cache stats: add 0, delete 0, find 0/0 [ 110.483504][T10198] Free swap = 0kB [ 110.487203][T10198] Total swap = 0kB [ 110.490942][T10198] 1965979 pages RAM [ 110.494735][T10198] 0 pages HighMem/MovableOnly [ 110.499386][T10198] 341179 pages reserved [ 110.503555][T10198] 0 pages cma reserved [ 110.507632][T10198] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor282,pid=10139,uid=0 [ 110.522044][T10198] Out of memory: Killed process 10139 (syz-executor282) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 executing program executing program executing program [ 110.565683][T10202] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 110.600771][T10205] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 110.606676][ T1065] oom_reaper: reaped process 10139 (syz-executor282), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 110.607961][T10205] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 110.621264][T10202] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 110.646458][T10139] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 110.655903][T10139] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 110.667641][T10203] syz-executor282 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 110.690262][T10203] CPU: 0 PID: 10203 Comm: syz-executor282 Not tainted 5.3.0-rc6-next-20190830 #75 [ 110.699553][T10203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.709635][T10203] Call Trace: [ 110.712928][T10203] dump_stack+0x172/0x1f0 [ 110.717260][T10203] dump_header+0x177/0x1152 [ 110.721762][T10203] ? ___ratelimit+0xf8/0x595 [ 110.726354][T10203] ? trace_hardirqs_on+0x67/0x240 [ 110.731375][T10203] ? pagefault_out_of_memory+0x11c/0x11c [ 110.737008][T10203] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 110.742812][T10203] ? ___ratelimit+0x60/0x595 [ 110.747397][T10203] ? do_raw_spin_unlock+0x57/0x270 [ 110.752534][T10203] oom_kill_process.cold+0x10/0x15 [ 110.757641][T10203] out_of_memory+0x334/0x1340 [ 110.762333][T10203] ? oom_killer_disable+0x280/0x280 [ 110.767532][T10203] ? mutex_trylock+0x252/0x2d0 [ 110.772286][T10203] ? __alloc_pages_slowpath+0xb84/0x2540 [ 110.778042][T10203] __alloc_pages_slowpath+0x1df9/0x2540 [ 110.783578][T10203] ? kasan_slab_alloc+0xf/0x20 [ 110.788332][T10203] ? warn_alloc+0x110/0x110 [ 110.792835][T10203] ? __might_sleep+0x95/0x190 [ 110.797507][T10203] __alloc_pages_nodemask+0x63a/0x900 [ 110.802862][T10203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 110.809101][T10203] ? __alloc_pages_slowpath+0x2540/0x2540 [ 110.814815][T10203] ? release_pages+0xd9a/0x1a50 [ 110.819669][T10203] ? lock_downgrade+0x920/0x920 [ 110.824618][T10203] ? pmd_val+0x85/0x100 [ 110.828754][T10203] ? add_mm_counter_fast.part.0+0x40/0x40 [ 110.834476][T10203] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 110.840727][T10203] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 110.846963][T10203] alloc_pages_vma+0x1bc/0x3f0 [ 110.851725][T10203] __handle_mm_fault+0x1de2/0x3f20 [ 110.856832][T10203] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 110.862538][T10203] ? __kasan_check_read+0x11/0x20 [ 110.867544][T10203] ? do_raw_spin_unlock+0x57/0x270 [ 110.872739][T10203] ? trace_hardirqs_on+0x67/0x240 [ 110.877771][T10203] handle_mm_fault+0x1b5/0x6c0 [ 110.882900][T10203] __get_user_pages+0x7d4/0x1b30 [ 110.887833][T10203] ? mark_held_locks+0xf0/0xf0 [ 110.892604][T10203] ? follow_page_mask+0x1cf0/0x1cf0 [ 110.897804][T10203] ? __mm_populate+0x270/0x380 [ 110.902765][T10203] ? __kasan_check_write+0x14/0x20 [ 110.908123][T10203] ? down_read+0x109/0x430 [ 110.912533][T10203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 110.918769][T10203] populate_vma_page_range+0x20d/0x2a0 [ 110.924221][T10203] __mm_populate+0x204/0x380 [ 110.928893][T10203] ? populate_vma_page_range+0x2a0/0x2a0 [ 110.934606][T10203] ? __kasan_check_write+0x14/0x20 [ 110.939711][T10203] ? up_write+0x155/0x490 [ 110.944049][T10203] ? ns_capable_common+0x93/0x100 [ 110.949162][T10203] __x64_sys_mlockall+0x473/0x520 [ 110.954180][T10203] do_syscall_64+0xfa/0x760 [ 110.958775][T10203] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.964686][T10203] RIP: 0033:0x446789 [ 110.968570][T10203] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 110.988351][T10203] RSP: 002b:00007f76dc240db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 110.996859][T10203] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446789 [ 111.005319][T10203] RDX: 0000000000402714 RSI: db77a3d3f3f069a2 RDI: 0000000000000001 [ 111.013951][T10203] RBP: 00000000006dbc30 R08: 00007f76dc241700 R09: 0000000000000000 [ 111.021920][T10203] R10: 00007f76dc241700 R11: 0000000000000246 R12: 00000000006dbc3c [ 111.029893][T10203] R13: 00007ffdf22ac73f R14: 00007f76dc2419c0 R15: 000000000000002d [ 111.040372][T10203] Mem-Info: [ 111.052840][T10203] active_anon:2593 inactive_anon:1398174 isolated_anon:0 [ 111.052840][T10203] active_file:11 inactive_file:6 isolated_file:0 [ 111.052840][T10203] unevictable:13449 dirty:0 writeback:0 unstable:0 [ 111.052840][T10203] slab_reclaimable:15458 slab_unreclaimable:105743 [ 111.052840][T10203] mapped:220 shmem:245 pagetables:4674 bounce:0 [ 111.052840][T10203] free:37931 free_pcp:64 free_cma:0 [ 111.092085][T10203] Node 0 active_anon:8456kB inactive_anon:2039280kB active_file:20kB inactive_file:24kB unevictable:10472kB isolated(anon):0kB isolated(file):0kB mapped:880kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1978368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 111.127379][T10203] Node 1 active_anon:1916kB inactive_anon:3559916kB active_file:8kB inactive_file:0kB unevictable:35024kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 111.179780][T10205] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 111.195191][T10180] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 111.206611][T10205] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 111.230593][T10203] Node 0 DMA free:10404kB min:220kB low:272kB high:324kB active_anon:4kB inactive_anon:4924kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 111.259250][T10203] lowmem_reserve[]: 0 2547 2548 2548 [ 111.265100][T10203] Node 0 DMA32 free:94184kB min:99672kB low:108716kB high:117760kB active_anon:8408kB inactive_anon:2027756kB active_file:20kB inactive_file:20kB unevictable:10448kB writepending:0kB present:3129332kB managed:2611876kB mlocked:10464kB kernel_stack:10016kB pagetables:7436kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 111.295669][T10203] lowmem_reserve[]: 0 0 1 1 [ 111.300600][T10203] Node 0 Normal free:212kB min:2064kB low:2068kB high:2072kB active_anon:44kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:24kB writepending:0kB present:786432kB managed:1172kB mlocked:24kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 111.312938][T10208] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 111.335881][T10208] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 111.351156][T10180] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 111.400217][T10203] lowmem_reserve[]: 0 0 0 0 [ 111.406033][T10211] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 111.407817][T10193] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 111.418807][T10191] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env executing program [ 111.422493][T10203] Node 1 Normal free:71724kB min:53684kB low:67104kB high:80524kB active_anon:1916kB inactive_anon:3554220kB active_file:0kB inactive_file:0kB unevictable:20376kB writepending:0kB present:3932160kB managed:3870244kB mlocked:20464kB kernel_stack:7072kB pagetables:11228kB bounce:0kB free_pcp:2580kB local_pcp:1252kB free_cma:0kB [ 111.427866][T10211] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 111.458646][T10193] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 111.468194][T10191] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' executing program executing program [ 111.515465][T10203] lowmem_reserve[]: 0 0 0 0 [ 111.528724][T10203] Node 0 DMA: 3*4kB (UM) 3*8kB (UME) 2*16kB (ME) 1*32kB (M) 1*64kB (U) 2*128kB (ME) 1*256kB (E) 1*512kB (E) 3*1024kB (UME) 1*2048kB (E) 1*4096kB (M) = 10404kB executing program [ 111.574848][T10214] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 111.595234][T10203] Node 0 DMA32: 844*4kB (UM) 3196*8kB (UM) 1925*16kB (UME) 397*32kB (UM) 84*64kB (UME) 35*128kB (M) 16*256kB (ME) 8*512kB (ME) 3*1024kB (ME) 2*2048kB (M) 0*4096kB = 97664kB [ 111.609793][T10214] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 111.612754][T10203] Node 0 Normal: 26*4kB (E) 15*8kB (E) 2*16kB (E) 1*32kB (E) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 288kB [ 111.626336][T10216] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 111.645414][T10203] Node 1 Normal: 2*4kB (UM) 1*8kB (M) 1*16kB (U) 1*32kB (U) 23*64kB (UME) 25*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 2*2048kB (UE) 10*4096kB (M) = 53376kB [ 111.679680][T10198] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 111.687911][T10216] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 111.696039][T10203] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 111.698170][T10198] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 111.752403][T10203] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB executing program [ 111.797724][T10203] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 111.810122][T10220] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 111.840348][T10203] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 111.843405][T10220] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 111.862470][T10209] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 111.876041][T10203] 1163 total pagecache pages executing program [ 111.882952][T10209] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 111.896083][T10203] 0 pages in swap cache [ 111.904679][T10203] Swap cache stats: add 0, delete 0, find 0/0 [ 111.924571][T10203] Free swap = 0kB [ 111.933803][T10203] Total swap = 0kB executing program [ 111.942223][T10228] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 111.951474][T10203] 1965979 pages RAM [ 111.957416][T10203] 0 pages HighMem/MovableOnly [ 111.962373][T10228] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 111.977637][T10203] 341179 pages reserved [ 111.987558][T10203] 0 pages cma reserved executing program executing program [ 112.002843][T10230] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 112.003028][T10203] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor282,pid=10135,uid=0 [ 112.031060][T10230] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 112.042530][T10235] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 112.059557][T10236] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 112.074312][T10235] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 112.095227][T10236] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 112.113783][T10203] Out of memory: Killed process 10135 (syz-executor282) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 112.157981][T10135] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 112.185078][T10135] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 112.279547][T10242] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 112.287245][T10242] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' executing program [ 112.389729][T10237] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 112.419544][T10237] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 112.468813][T10234] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 112.490241][T10234] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 112.502220][T10231] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 112.509424][T10231] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' executing program executing program executing program [ 112.546463][T10249] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 112.551640][T10247] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 112.553641][T10249] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 112.562812][T10247] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 112.622009][T10250] kobject: 'kvm' (0000000036d3d7e2): kobject_uevent_env [ 112.628997][T10250] kobject: 'kvm' (0000000036d3d7e2): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 112.785266][T10252] syz-executor282 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 112.812032][T10252] CPU: 1 PID: 10252 Comm: syz-executor282 Not tainted 5.3.0-rc6-next-20190830 #75 [ 112.821248][T10252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.831517][T10252] Call Trace: [ 112.834881][T10252] dump_stack+0x172/0x1f0 [ 112.839206][T10252] dump_header+0x177/0x1152 [ 112.843707][T10252] ? ___ratelimit+0xf8/0x595 [ 112.848296][T10252] ? trace_hardirqs_on+0x67/0x240 [ 112.853437][T10252] ? pagefault_out_of_memory+0x11c/0x11c [ 112.859058][T10252] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 112.864850][T10252] ? ___ratelimit+0x60/0x595 [ 112.869423][T10252] ? do_raw_spin_unlock+0x57/0x270 [ 112.874610][T10252] oom_kill_process.cold+0x10/0x15 [ 112.879702][T10252] out_of_memory+0x334/0x1340 [ 112.884365][T10252] ? oom_killer_disable+0x280/0x280 [ 112.890070][T10252] ? mutex_trylock+0x252/0x2d0 [ 112.894822][T10252] ? __alloc_pages_slowpath+0xb84/0x2540 [ 112.900466][T10252] __alloc_pages_slowpath+0x1df9/0x2540 [ 112.906015][T10252] ? ___might_sleep+0x163/0x280 [ 112.910865][T10252] ? warn_alloc+0x110/0x110 [ 112.915899][T10252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.922127][T10252] ? __might_sleep+0x95/0x190 [ 112.926800][T10252] __alloc_pages_nodemask+0x63a/0x900 [ 112.932177][T10252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.938410][T10252] ? __alloc_pages_slowpath+0x2540/0x2540 [ 112.944112][T10252] ? release_pages+0xd9a/0x1a50 [ 112.948946][T10252] ? lock_downgrade+0x920/0x920 [ 112.953787][T10252] ? pmd_val+0x85/0x100 [ 112.957972][T10252] ? add_mm_counter_fast.part.0+0x40/0x40 [ 112.963678][T10252] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 112.969898][T10252] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 112.976190][T10252] alloc_pages_vma+0x1bc/0x3f0 [ 112.980960][T10252] __handle_mm_fault+0x1de2/0x3f20 [ 112.986164][T10252] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 112.991695][T10252] ? __kasan_check_read+0x11/0x20 [ 112.996702][T10252] ? do_raw_spin_unlock+0x57/0x270 [ 113.001796][T10252] ? trace_hardirqs_on+0x67/0x240 [ 113.006810][T10252] handle_mm_fault+0x1b5/0x6c0 [ 113.011559][T10252] __get_user_pages+0x7d4/0x1b30 [ 113.017015][T10252] ? mark_held_locks+0xf0/0xf0 [ 113.021768][T10252] ? follow_page_mask+0x1cf0/0x1cf0 [ 113.026979][T10252] ? __mm_populate+0x270/0x380 [ 113.031743][T10252] ? __kasan_check_write+0x14/0x20 [ 113.036868][T10252] ? down_read+0x109/0x430 [ 113.041281][T10252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 113.047539][T10252] populate_vma_page_range+0x20d/0x2a0 [ 113.053172][T10252] __mm_populate+0x204/0x380 [ 113.057772][T10252] ? populate_vma_page_range+0x2a0/0x2a0 [ 113.063429][T10252] ? __kasan_check_write+0x14/0x20 [ 113.068618][T10252] ? up_write+0x155/0x490 [ 113.072945][T10252] ? ns_capable_common+0x93/0x100 [ 113.078084][T10252] __x64_sys_mlockall+0x473/0x520 [ 113.083186][T10252] do_syscall_64+0xfa/0x760 [ 113.087691][T10252] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 113.093591][T10252] RIP: 0033:0x446789 [ 113.097573][T10252] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 113.117253][T10252] RSP: 002b:00007f76dc240db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 113.125657][T10252] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446789 [ 113.133611][T10252] RDX: 0000000000402714 RSI: db77a3d3f3f069a2 RDI: 0000000000000001 [ 113.141563][T10252] RBP: 00000000006dbc30 R08: 00007f76dc241700 R09: 0000000000000000 [ 113.149856][T10252] R10: 00007f76dc241700 R11: 0000000000000246 R12: 00000000006dbc3c [ 113.157814][T10252] R13: 00007ffdf22ac73f R14: 00007f76dc2419c0 R15: 000000000000002d [ 113.168431][T10252] Mem-Info: [ 113.171714][T10252] active_anon:2609 inactive_anon:1413553 isolated_anon:0 [ 113.171714][T10252] active_file:16 inactive_file:0 isolated_file:0 [ 113.171714][T10252] unevictable:7412 dirty:0 writeback:0 unstable:0 [ 113.171714][T10252] slab_reclaimable:15687 slab_unreclaimable:105893 [ 113.171714][T10252] mapped:222 shmem:245 pagetables:4708 bounce:0 [ 113.171714][T10252] free:27901 free_pcp:1 free_cma:0 [ 113.210962][T10252] Node 0 active_anon:8416kB inactive_anon:2087488kB active_file:64kB inactive_file:0kB unevictable:5676kB isolated(anon):0kB isolated(file):0kB mapped:884kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1986560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 113.240577][T10252] Node 1 active_anon:2020kB inactive_anon:3566724kB active_file:0kB inactive_file:0kB unevictable:24008kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes