[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.249636][ T26] audit: type=1800 audit(1567500316.523:25): pid=8553 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.271295][ T26] audit: type=1800 audit(1567500316.523:26): pid=8553 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.321824][ T26] audit: type=1800 audit(1567500316.523:27): pid=8553 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 '10.128.0.214' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 125.384579][ T8707] 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 [ 154.775780][ T8703] sshd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 154.786341][ T8703] CPU: 1 PID: 8703 Comm: sshd Not tainted 5.3.0-rc6-next-20190830 #75 [ 154.794514][ T8703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.804571][ T8703] Call Trace: [ 154.807844][ T8703] dump_stack+0x172/0x1f0 [ 154.812156][ T8703] dump_header+0x177/0x1152 [ 154.816645][ T8703] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 154.822427][ T8703] ? ___ratelimit+0x2c8/0x595 [ 154.827082][ T8703] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 154.832918][ T8703] ? lockdep_hardirqs_on+0x418/0x5d0 [ 154.838198][ T8703] ? trace_hardirqs_on+0x67/0x240 [ 154.843222][ T8703] ? pagefault_out_of_memory+0x11c/0x11c [ 154.848851][ T8703] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 154.854638][ T8703] ? ___ratelimit+0x60/0x595 [ 154.859233][ T8703] ? do_raw_spin_unlock+0x57/0x270 [ 154.864369][ T8703] oom_kill_process.cold+0x10/0x15 [ 154.869458][ T8703] out_of_memory+0x334/0x1340 [ 154.874116][ T8703] ? oom_killer_disable+0x280/0x280 [ 154.879298][ T8703] ? mutex_trylock+0x252/0x2d0 [ 154.884085][ T8703] ? __alloc_pages_slowpath+0xb84/0x2540 [ 154.889696][ T8703] __alloc_pages_slowpath+0x1df9/0x2540 [ 154.895232][ T8703] ? warn_alloc+0x110/0x110 [ 154.899724][ T8703] ? __might_sleep+0x95/0x190 [ 154.904418][ T8703] __alloc_pages_nodemask+0x63a/0x900 [ 154.909765][ T8703] ? xas_descend+0x144/0x370 [ 154.914336][ T8703] ? __alloc_pages_slowpath+0x2540/0x2540 [ 154.920030][ T8703] ? __kasan_check_read+0x11/0x20 [ 154.925036][ T8703] ? find_get_entry+0x4ab/0x7a0 [ 154.929867][ T8703] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 154.936087][ T8703] alloc_pages_current+0x107/0x210 [ 154.941180][ T8703] __page_cache_alloc+0x2a2/0x490 [ 154.946185][ T8703] pagecache_get_page+0x27e/0x900 [ 154.951188][ T8703] filemap_fault+0x901/0x2b70 [ 154.955856][ T8703] ? mark_held_locks+0xf0/0xf0 [ 154.960604][ T8703] ? pagecache_get_page+0x900/0x900 [ 154.965797][ T8703] ? __kasan_check_write+0x14/0x20 [ 154.970884][ T8703] ? down_read+0x109/0x430 [ 154.975293][ T8703] ? down_read_killable+0x490/0x490 [ 154.980483][ T8703] ? find_lock_entry+0x560/0x560 [ 154.985410][ T8703] ? pmd_val+0x85/0x100 [ 154.989560][ T8703] ext4_filemap_fault+0x86/0xb2 [ 154.994389][ T8703] __do_fault+0x111/0x540 [ 154.998709][ T8703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 155.004929][ T8703] __handle_mm_fault+0x2cb8/0x3f20 [ 155.010022][ T8703] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 155.015568][ T8703] ? __kasan_check_read+0x11/0x20 [ 155.020574][ T8703] handle_mm_fault+0x1b5/0x6c0 [ 155.025319][ T8703] __do_page_fault+0x536/0xdd0 [ 155.030070][ T8703] ? page_fault+0x16/0x40 [ 155.034379][ T8703] do_page_fault+0x38/0x590 [ 155.038962][ T8703] page_fault+0x39/0x40 [ 155.043108][ T8703] RIP: 0033:0x564f6615ba80 [ 155.047522][ T8703] Code: Bad RIP value. [ 155.051571][ T8703] RSP: 002b:00007ffc54447f68 EFLAGS: 00010246 [ 155.057614][ T8703] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9736b383e0 [ 155.065715][ T8703] RDX: 0000000000000000 RSI: 0000564f67d62b00 RDI: 0000564f67d62b20 [ 155.073679][ T8703] RBP: 0000564f6639ec88 R08: 00007ffc54447f20 R09: 0101010101010101 [ 155.081645][ T8703] R10: 0000000000000008 R11: 0000000000000246 R12: 0000564f67d53b80 [ 155.089607][ T8703] R13: 0000564f6639cfb4 R14: 0000000000000028 R15: 0000564f6639eca0 [ 155.098677][ T8703] Mem-Info: [ 155.101914][ T8703] active_anon:2607 inactive_anon:1421495 isolated_anon:0 [ 155.101914][ T8703] active_file:20 inactive_file:0 isolated_file:0 [ 155.101914][ T8703] unevictable:2065 dirty:1 writeback:0 unstable:0 [ 155.101914][ T8703] slab_reclaimable:15135 slab_unreclaimable:106440 [ 155.101914][ T8703] mapped:205 shmem:245 pagetables:5006 bounce:0 [ 155.101914][ T8703] free:25747 free_pcp:62 free_cma:0 [ 155.139416][ T8703] Node 0 active_anon:7872kB inactive_anon:2087644kB active_file:76kB inactive_file:0kB unevictable:7260kB isolated(anon):0kB isolated(file):0kB mapped:820kB dirty:4kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1996800kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 155.167966][ T8703] Node 1 active_anon:2556kB inactive_anon:3598336kB active_file:4kB inactive_file:4kB unevictable:1000kB 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 [ 155.195616][ T8703] Node 0 DMA free:10396kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 155.222867][ T8703] lowmem_reserve[]: 0 2547 2548 2548 [ 155.229175][ T8703] Node 0 DMA32 free:38936kB min:101720kB low:110764kB high:119808kB active_anon:7792kB inactive_anon:2081280kB active_file:144kB inactive_file:0kB unevictable:7300kB writepending:0kB present:3129332kB managed:2611876kB mlocked:7304kB kernel_stack:9792kB pagetables:8044kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 155.259623][ T8703] lowmem_reserve[]: 0 0 1 1 [ 155.264208][ T8703] Node 0 Normal free:8kB min:16kB low:20kB high:24kB active_anon:52kB inactive_anon:1048kB active_file:20kB inactive_file:8kB unevictable:4kB writepending:4kB present:786432kB managed:1172kB mlocked:4kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 155.291322][ T8703] lowmem_reserve[]: 0 0 0 0 [ 155.295904][ T8703] Node 1 Normal free:53644kB min:53684kB low:67104kB high:80524kB active_anon:2556kB inactive_anon:3598336kB active_file:0kB inactive_file:20kB unevictable:1012kB writepending:0kB present:3932160kB managed:3870244kB mlocked:1012kB kernel_stack:6880kB pagetables:11992kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 155.326280][ T8703] lowmem_reserve[]: 0 0 0 0 [ 155.336407][ T8703] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 3*32kB (UME) 2*64kB (UE) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10396kB [ 155.357959][ T8703] Node 0 DMA32: 15*4kB (M) 1712*8kB (UM) 1256*16kB (UM) 153*32kB (UME) 4*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 39004kB [ 155.372749][ T8703] Node 0 Normal: 3*4kB (ME) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12kB [ 155.385899][ T8703] Node 1 Normal: 29*4kB (UME) 8*8kB (U) 10*16kB (UME) 5*32kB (UME) 1*64kB (E) 2*128kB (E) 2*256kB (UE) 2*512kB (UE) 0*1024kB 3*2048kB (UME) 11*4096kB (M) = 53556kB [ 155.420008][ T8703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 155.429679][ T8703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 155.439052][ T8703] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 155.448675][ T8703] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 155.458042][ T8703] 511 total pagecache pages [ 155.462602][ T8703] 0 pages in swap cache [ 155.466837][ T8703] Swap cache stats: add 0, delete 0, find 0/0 [ 155.472952][ T8703] Free swap = 0kB [ 155.476749][ T8703] Total swap = 0kB [ 155.480521][ T8703] 1965979 pages RAM [ 155.484378][ T8703] 0 pages HighMem/MovableOnly [ 155.489129][ T8703] 341179 pages reserved [ 155.493333][ T8703] 0 pages cma reserved [ 155.497476][ T8703] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9935,uid=0 [ 155.512594][ T8703] Out of memory: Killed process 9935 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 155.534239][ T1065] oom_reaper: reaped process 9935 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 155.830136][ T9938] syz-executor862 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 155.843310][ T9938] CPU: 0 PID: 9938 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 155.852431][ T9938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.862492][ T9938] Call Trace: [ 155.865789][ T9938] dump_stack+0x172/0x1f0 [ 155.870168][ T9938] dump_header+0x177/0x1152 [ 155.874685][ T9938] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 155.880487][ T9938] ? ___ratelimit+0x2c8/0x595 [ 155.885149][ T9938] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 155.890957][ T9938] ? lockdep_hardirqs_on+0x418/0x5d0 [ 155.896229][ T9938] ? trace_hardirqs_on+0x67/0x240 [ 155.901299][ T9938] ? pagefault_out_of_memory+0x11c/0x11c [ 155.906936][ T9938] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 155.912742][ T9938] ? ___ratelimit+0x60/0x595 [ 155.917315][ T9938] ? do_raw_spin_unlock+0x57/0x270 [ 155.922411][ T9938] oom_kill_process.cold+0x10/0x15 [ 155.927506][ T9938] out_of_memory+0x334/0x1340 [ 155.932167][ T9938] ? oom_killer_disable+0x280/0x280 [ 155.937363][ T9938] ? mutex_trylock+0x252/0x2d0 [ 155.942104][ T9938] ? __alloc_pages_slowpath+0xb84/0x2540 [ 155.947718][ T9938] __alloc_pages_slowpath+0x1df9/0x2540 [ 155.953257][ T9938] ? warn_alloc+0x110/0x110 [ 155.957751][ T9938] ? __might_sleep+0x95/0x190 [ 155.962412][ T9938] __alloc_pages_nodemask+0x63a/0x900 [ 155.967769][ T9938] ? __alloc_pages_slowpath+0x2540/0x2540 [ 155.973487][ T9938] ? mark_lock+0xc2/0x1220 [ 155.977906][ T9938] ? pmd_val+0x85/0x100 [ 155.982060][ T9938] ? add_mm_counter_fast.part.0+0x40/0x40 [ 155.987775][ T9938] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 155.994007][ T9938] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 156.000235][ T9938] alloc_pages_vma+0x1bc/0x3f0 [ 156.004994][ T9938] __handle_mm_fault+0x1de2/0x3f20 [ 156.010108][ T9938] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 156.015656][ T9938] ? __kasan_check_read+0x11/0x20 [ 156.020672][ T9938] handle_mm_fault+0x1b5/0x6c0 [ 156.025423][ T9938] __get_user_pages+0x7d4/0x1b30 [ 156.030349][ T9938] ? mark_held_locks+0xf0/0xf0 [ 156.035104][ T9938] ? follow_page_mask+0x1cf0/0x1cf0 [ 156.040341][ T9938] ? __mm_populate+0x270/0x380 [ 156.045145][ T9938] ? __kasan_check_write+0x14/0x20 [ 156.050253][ T9938] ? down_read+0x109/0x430 [ 156.054730][ T9938] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 156.060449][ T9938] populate_vma_page_range+0x20d/0x2a0 [ 156.065896][ T9938] __mm_populate+0x204/0x380 [ 156.070473][ T9938] ? populate_vma_page_range+0x2a0/0x2a0 [ 156.076093][ T9938] ? __kasan_check_write+0x14/0x20 [ 156.081199][ T9938] ? up_write+0x155/0x490 [ 156.085515][ T9938] ? ns_capable_common+0x93/0x100 [ 156.090535][ T9938] __x64_sys_mlockall+0x473/0x520 [ 156.095544][ T9938] do_syscall_64+0xfa/0x760 [ 156.100029][ T9938] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 156.105900][ T9938] RIP: 0033:0x4466d9 [ 156.109785][ T9938] Code: e8 5c b3 02 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 156.129378][ T9938] RSP: 002b:00007f872d171db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 156.137773][ T9938] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 00000000004466d9 [ 156.145724][ T9938] RDX: 0000000000402714 RSI: 0b65b160d8c70a57 RDI: 0000000000000001 [ 156.153680][ T9938] RBP: 00000000006dbc30 R08: 00007f872d172700 R09: 0000000000000000 [ 156.161632][ T9938] R10: 00007f872d172700 R11: 0000000000000246 R12: 00000000006dbc3c [ 156.169588][ T9938] R13: 00007ffdda08980f R14: 00007f872d1729c0 R15: 20c49ba5e353f7cf [ 156.182494][ T9938] Mem-Info: [ 156.185630][ T9938] active_anon:2603 inactive_anon:1417290 isolated_anon:0 [ 156.185630][ T9938] active_file:20 inactive_file:29 isolated_file:0 [ 156.185630][ T9938] unevictable:4243 dirty:0 writeback:0 unstable:0 [ 156.185630][ T9938] slab_reclaimable:15134 slab_unreclaimable:106452 [ 156.185630][ T9938] mapped:228 shmem:245 pagetables:5001 bounce:0 [ 156.185630][ T9938] free:27782 free_pcp:62 free_cma:0 [ 156.223350][ T9938] Node 0 active_anon:7856kB inactive_anon:2080044kB active_file:52kB inactive_file:72kB unevictable:7308kB isolated(anon):0kB isolated(file):0kB mapped:880kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1996800kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 156.257431][ T9938] Node 1 active_anon:2556kB inactive_anon:3589116kB active_file:4kB inactive_file:64kB unevictable:9664kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 156.310446][ T9938] Node 0 DMA free:10372kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 156.355541][ T9938] lowmem_reserve[]: 0 2547 2548 2548 [ 156.360882][ T9938] Node 0 DMA32 free:46696kB min:101720kB low:110764kB high:119808kB active_anon:7808kB inactive_anon:2073960kB active_file:44kB inactive_file:48kB unevictable:7304kB writepending:0kB present:3129332kB managed:2611876kB mlocked:7304kB kernel_stack:9824kB pagetables:7996kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 156.398190][ T9938] lowmem_reserve[]: 0 0 1 1 [ 156.402726][ T9938] Node 0 Normal free:296kB min:2064kB low:2068kB high:2072kB active_anon:48kB inactive_anon:768kB active_file:12kB inactive_file:28kB unevictable:4kB writepending:0kB present:786432kB managed:1172kB mlocked:4kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 156.430381][ T9938] lowmem_reserve[]: 0 0 0 0 [ 156.434900][ T9938] Node 1 Normal free:53520kB min:53684kB low:67104kB high:80524kB active_anon:2556kB inactive_anon:3589116kB active_file:12kB inactive_file:0kB unevictable:9664kB writepending:0kB present:3932160kB managed:3870244kB mlocked:9664kB kernel_stack:6880kB pagetables:12008kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 156.464937][ T9938] lowmem_reserve[]: 0 0 0 0 [ 156.474189][ T9938] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 2*64kB (UE) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10364kB [ 156.508762][ T9938] Node 0 DMA32: 786*4kB (UM) 2049*8kB (UM) 1337*16kB (UM) 164*32kB (UME) 9*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 46752kB [ 156.523650][ T9938] Node 0 Normal: 10*4kB (UM) 4*8kB (UM) 4*16kB (M) 1*32kB (M) 2*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 296kB [ 156.537320][ T9938] Node 1 Normal: 30*4kB (UME) 6*8kB (M) 15*16kB (UME) 10*32kB (UME) 3*64kB (ME) 5*128kB (ME) 3*256kB (UME) 3*512kB (UME) 1*1024kB (M) 2*2048kB (UE) 11*4096kB (M) = 54040kB [ 156.556291][ T9938] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 156.566108][ T9938] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 156.577957][ T9938] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 156.587630][ T9938] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 156.596940][ T9938] 505 total pagecache pages [ 156.601443][ T9938] 0 pages in swap cache [ 156.605596][ T9938] Swap cache stats: add 0, delete 0, find 0/0 [ 156.611732][ T9938] Free swap = 0kB [ 156.615444][ T9938] Total swap = 0kB [ 156.627213][ T9938] 1965979 pages RAM [ 156.631026][ T9938] 0 pages HighMem/MovableOnly [ 156.635693][ T9938] 341179 pages reserved [ 156.645313][ T9938] 0 pages cma reserved [ 156.649420][ T9938] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9931,uid=0 [ 156.664284][ T9938] Out of memory: Killed process 9931 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 156.710458][ T1065] oom_reaper: reaped process 9931 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 156.731996][ T8591] rsyslogd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 156.744730][ T8591] CPU: 1 PID: 8591 Comm: rsyslogd Not tainted 5.3.0-rc6-next-20190830 #75 [ 156.753252][ T8591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 156.763311][ T8591] Call Trace: [ 156.766602][ T8591] dump_stack+0x172/0x1f0 [ 156.770959][ T8591] dump_header+0x177/0x1152 [ 156.775462][ T8591] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 156.781869][ T8591] ? ___ratelimit+0x2c8/0x595 [ 156.786594][ T8591] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 156.792406][ T8591] ? lockdep_hardirqs_on+0x418/0x5d0 [ 156.797690][ T8591] ? trace_hardirqs_on+0x67/0x240 [ 156.802717][ T8591] ? pagefault_out_of_memory+0x11c/0x11c [ 156.808339][ T8591] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 156.808376][ T8591] ? ___ratelimit+0x60/0x595 [ 156.818738][ T8591] ? do_raw_spin_unlock+0x57/0x270 [ 156.823844][ T8591] oom_kill_process.cold+0x10/0x15 [ 156.828949][ T8591] out_of_memory+0x334/0x1340 [ 156.833613][ T8591] ? oom_killer_disable+0x280/0x280 [ 156.838800][ T8591] ? mutex_trylock+0x252/0x2d0 [ 156.843540][ T8591] ? __alloc_pages_slowpath+0xb84/0x2540 [ 156.849155][ T8591] __alloc_pages_slowpath+0x1df9/0x2540 [ 156.854689][ T8591] ? warn_alloc+0x110/0x110 [ 156.859183][ T8591] ? __might_sleep+0x95/0x190 [ 156.863839][ T8591] __alloc_pages_nodemask+0x63a/0x900 [ 156.869190][ T8591] ? xas_descend+0x144/0x370 [ 156.873759][ T8591] ? __alloc_pages_slowpath+0x2540/0x2540 [ 156.879458][ T8591] ? __kasan_check_read+0x11/0x20 [ 156.884461][ T8591] ? find_get_entry+0x4ab/0x7a0 [ 156.889296][ T8591] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 156.895529][ T8591] alloc_pages_current+0x107/0x210 [ 156.900622][ T8591] __page_cache_alloc+0x2a2/0x490 [ 156.905638][ T8591] pagecache_get_page+0x27e/0x900 [ 156.910646][ T8591] filemap_fault+0x901/0x2b70 [ 156.915301][ T8591] ? mark_held_locks+0xf0/0xf0 [ 156.920052][ T8591] ? pagecache_get_page+0x900/0x900 [ 156.925231][ T8591] ? __kasan_check_write+0x14/0x20 [ 156.930319][ T8591] ? down_read+0x109/0x430 [ 156.934719][ T8591] ? down_read_killable+0x490/0x490 [ 156.939895][ T8591] ? lock_downgrade+0x920/0x920 [ 156.944726][ T8591] ext4_filemap_fault+0x86/0xb2 [ 156.949553][ T8591] __do_fault+0x111/0x540 [ 156.953858][ T8591] ? do_raw_spin_unlock+0x57/0x270 [ 156.958948][ T8591] __handle_mm_fault+0x2cb8/0x3f20 [ 156.964061][ T8591] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 156.969603][ T8591] ? __kasan_check_read+0x11/0x20 [ 156.974625][ T8591] handle_mm_fault+0x1b5/0x6c0 [ 156.979372][ T8591] __do_page_fault+0x536/0xdd0 [ 156.984132][ T8591] ? page_fault+0x16/0x40 [ 156.988444][ T8591] do_page_fault+0x38/0x590 [ 156.992924][ T8591] page_fault+0x39/0x40 [ 156.997053][ T8591] RIP: 0033:0x7ff5942abbd0 [ 157.001468][ T8591] Code: Bad RIP value. [ 157.005509][ T8591] RSP: 002b:00007ff592c7bd68 EFLAGS: 00010206 [ 157.011556][ T8591] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000e82 [ 157.019504][ T8591] RDX: 00007ff5944b05a0 RSI: 000000000000003c RDI: 00007ff5942ae621 [ 157.027463][ T8591] RBP: 000000000000003c R08: 00007ff5942ae621 R09: 0000000000000000 [ 157.035526][ T8591] R10: 205b5d3237363736 R11: 0000000000000000 R12: 00000000000003e7 [ 157.043485][ T8591] R13: 0000000000000000 R14: 00007ff5944b05a0 R15: 00007ff5944b15a0 [ 157.052652][ T8591] Mem-Info: [ 157.055990][ T8591] active_anon:2603 inactive_anon:1417340 isolated_anon:0 [ 157.055990][ T8591] active_file:218 inactive_file:193 isolated_file:0 [ 157.055990][ T8591] unevictable:18 dirty:0 writeback:0 unstable:0 [ 157.055990][ T8591] slab_reclaimable:15134 slab_unreclaimable:106257 [ 157.055990][ T8591] mapped:121 shmem:245 pagetables:5001 bounce:0 [ 157.055990][ T8591] free:31032 free_pcp:962 free_cma:0 [ 157.094270][ T8591] Node 0 active_anon:7856kB inactive_anon:2072844kB active_file:300kB inactive_file:360kB unevictable:8kB isolated(anon):0kB isolated(file):0kB mapped:280kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1996800kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 157.122885][ T8591] Node 1 active_anon:2556kB inactive_anon:3596516kB active_file:68kB inactive_file:184kB unevictable:64kB isolated(anon):0kB isolated(file):0kB mapped:104kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 157.150851][ T8591] Node 0 DMA free:10364kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 157.179117][ T8591] lowmem_reserve[]: 0 2547 2548 2548 [ 157.184669][ T8591] Node 0 DMA32 free:59824kB min:36184kB low:45228kB high:54272kB active_anon:7808kB inactive_anon:2067560kB active_file:264kB inactive_file:352kB unevictable:4kB writepending:0kB present:3129332kB managed:2611876kB mlocked:24kB kernel_stack:9728kB pagetables:7996kB bounce:0kB free_pcp:316kB local_pcp:0kB free_cma:0kB [ 157.217823][ T8591] lowmem_reserve[]: 0 0 1 1 [ 157.226872][ T8591] Node 0 Normal free:984kB min:2064kB low:2068kB high:2072kB active_anon:48kB inactive_anon:8kB active_file:32kB inactive_file:0kB unevictable:4kB writepending:0kB present:786432kB managed:1172kB mlocked:4kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 157.264421][ T8591] lowmem_reserve[]: 0 0 0 0 [ 157.269013][ T8591] Node 1 Normal free:55524kB min:53684kB low:67104kB high:80524kB active_anon:2556kB inactive_anon:3596004kB active_file:76kB inactive_file:120kB unevictable:188kB writepending:0kB present:3932160kB managed:3870244kB mlocked:100kB kernel_stack:6880kB pagetables:12008kB bounce:0kB free_pcp:328kB local_pcp:4kB free_cma:0kB [ 157.300028][ T8591] lowmem_reserve[]: 0 0 0 0 executing program executing program [ 157.305667][ T8591] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 2*64kB (UE) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10364kB [ 157.323849][ T8591] Node 0 DMA32: 3*4kB (ME) 1904*8kB (UE) 1342*16kB (UM) 175*32kB (UM) 24*64kB (UME) 7*128kB (ME) 3*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 46028kB [ 157.339946][ T8591] Node 0 Normal: 1*4kB (M) 1*8kB (M) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12kB [ 157.352278][ T8591] Node 1 Normal: 4*4kB (UME) 6*8kB (UME) 6*16kB (UME) 8*32kB (UM) 9*64kB (UME) 6*128kB (UME) 8*256kB (UME) 3*512kB (ME) 1*1024kB (M) 2*2048kB (UE) 11*4096kB (M) = 55520kB [ 157.370684][ T8591] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 157.381063][ T8591] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 157.391463][ T8591] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 157.402659][ T8591] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 157.412961][ T8591] 592 total pagecache pages [ 157.418454][ T8591] 0 pages in swap cache [ 157.423557][ T8591] Swap cache stats: add 0, delete 0, find 0/0 [ 157.433058][ T8591] Free swap = 0kB [ 157.437786][ T8591] Total swap = 0kB [ 157.442444][ T8591] 1965979 pages RAM [ 157.446723][ T8591] 0 pages HighMem/MovableOnly [ 157.455293][ T8591] 341179 pages reserved executing program [ 157.466724][ T8591] 0 pages cma reserved [ 157.470815][ T8591] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9927,uid=0 [ 157.503477][ T8591] Out of memory: Killed process 9927 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 executing program [ 160.124520][ T9950] syz-executor862 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 160.137045][ T9950] CPU: 0 PID: 9950 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 160.146138][ T9950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.156181][ T9950] Call Trace: [ 160.159478][ T9950] dump_stack+0x172/0x1f0 [ 160.163813][ T9950] dump_header+0x177/0x1152 [ 160.168316][ T9950] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 160.174120][ T9950] ? ___ratelimit+0x2c8/0x595 [ 160.178793][ T9950] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 160.184596][ T9950] ? lockdep_hardirqs_on+0x418/0x5d0 [ 160.189876][ T9950] ? trace_hardirqs_on+0x67/0x240 [ 160.194899][ T9950] ? pagefault_out_of_memory+0x11c/0x11c [ 160.200528][ T9950] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 160.206334][ T9950] ? ___ratelimit+0x60/0x595 [ 160.210917][ T9950] ? do_raw_spin_unlock+0x57/0x270 [ 160.216049][ T9950] oom_kill_process.cold+0x10/0x15 [ 160.221162][ T9950] out_of_memory+0x334/0x1340 [ 160.225843][ T9950] ? oom_killer_disable+0x280/0x280 [ 160.231054][ T9950] ? mutex_trylock+0x252/0x2d0 [ 160.235822][ T9950] ? __alloc_pages_slowpath+0xb84/0x2540 [ 160.241457][ T9950] __alloc_pages_slowpath+0x1df9/0x2540 [ 160.247028][ T9950] ? warn_alloc+0x110/0x110 [ 160.251549][ T9950] ? __might_sleep+0x95/0x190 [ 160.256226][ T9950] __alloc_pages_nodemask+0x63a/0x900 [ 160.261602][ T9950] ? __alloc_pages_slowpath+0x2540/0x2540 [ 160.267327][ T9950] ? mark_lock+0xc2/0x1220 [ 160.271744][ T9950] ? pmd_val+0x85/0x100 [ 160.275896][ T9950] ? add_mm_counter_fast.part.0+0x40/0x40 [ 160.281618][ T9950] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 160.287854][ T9950] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 160.294101][ T9950] alloc_pages_vma+0x1bc/0x3f0 [ 160.298868][ T9950] __handle_mm_fault+0x1de2/0x3f20 [ 160.303987][ T9950] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 160.309546][ T9950] ? __kasan_check_read+0x11/0x20 [ 160.314578][ T9950] handle_mm_fault+0x1b5/0x6c0 [ 160.319345][ T9950] __get_user_pages+0x7d4/0x1b30 [ 160.324279][ T9950] ? mark_held_locks+0xf0/0xf0 [ 160.329053][ T9950] ? follow_page_mask+0x1cf0/0x1cf0 [ 160.334244][ T9950] ? __mm_populate+0x270/0x380 [ 160.339009][ T9950] ? __kasan_check_write+0x14/0x20 [ 160.344118][ T9950] ? down_read+0x109/0x430 [ 160.348525][ T9950] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 160.354229][ T9950] populate_vma_page_range+0x20d/0x2a0 [ 160.359669][ T9950] __mm_populate+0x204/0x380 [ 160.364239][ T9950] ? populate_vma_page_range+0x2a0/0x2a0 [ 160.369850][ T9950] ? __kasan_check_write+0x14/0x20 [ 160.374937][ T9950] ? up_write+0x155/0x490 [ 160.379242][ T9950] ? ns_capable_common+0x93/0x100 [ 160.384245][ T9950] __x64_sys_mlockall+0x473/0x520 [ 160.389249][ T9950] do_syscall_64+0xfa/0x760 [ 160.393734][ T9950] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 160.399614][ T9950] RIP: 0033:0x4466d9 [ 160.403587][ T9950] Code: e8 5c b3 02 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 160.423168][ T9950] RSP: 002b:00007f872d192db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 160.431577][ T9950] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004466d9 [ 160.439541][ T9950] RDX: 00000000004466d9 RSI: 00000000004466d9 RDI: 0000000000000001 [ 160.447503][ T9950] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 160.455451][ T9950] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 160.463661][ T9950] R13: 00007ffdda08980f R14: 00007f872d1939c0 R15: 20c49ba5e353f7cf [ 160.471978][ T9950] Mem-Info: [ 160.475137][ T9950] active_anon:2606 inactive_anon:1421528 isolated_anon:0 [ 160.475137][ T9950] active_file:17 inactive_file:26 isolated_file:0 [ 160.475137][ T9950] unevictable:2776 dirty:0 writeback:0 unstable:0 [ 160.475137][ T9950] slab_reclaimable:15203 slab_unreclaimable:106288 [ 160.475137][ T9950] mapped:214 shmem:245 pagetables:5012 bounce:0 [ 160.475137][ T9950] free:25016 free_pcp:72 free_cma:0 [ 160.512625][ T9950] Node 0 active_anon:7864kB inactive_anon:2089408kB active_file:84kB inactive_file:84kB unevictable:9812kB isolated(anon):0kB isolated(file):0kB mapped:412kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2002944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 160.541164][ T9950] Node 1 active_anon:2560kB inactive_anon:3596704kB active_file:0kB inactive_file:20kB unevictable:1292kB isolated(anon):0kB isolated(file):0kB mapped:444kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 160.568830][ T9950] Node 0 DMA free:10352kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 160.596006][ T9950] lowmem_reserve[]: 0 2547 2548 2548 [ 160.601401][ T9950] Node 0 DMA32 free:36188kB min:36184kB low:45228kB high:54272kB active_anon:7820kB inactive_anon:2083364kB active_file:0kB inactive_file:0kB unevictable:9668kB writepending:0kB present:3129332kB managed:2611876kB mlocked:9668kB kernel_stack:9792kB pagetables:7988kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 160.651890][ T9950] lowmem_reserve[]: 0 0 1 1 [ 160.656444][ T9950] Node 0 Normal free:8kB min:16kB low:20kB high:24kB active_anon:44kB inactive_anon:728kB active_file:16kB inactive_file:8kB unevictable:48kB writepending:0kB present:786432kB managed:1172kB mlocked:48kB kernel_stack:32kB pagetables:16kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 160.724713][ T9950] lowmem_reserve[]: 0 0 0 0 [ 160.729307][ T9950] Node 1 Normal free:53464kB min:53684kB low:67104kB high:80524kB active_anon:2560kB inactive_anon:3596704kB active_file:4kB inactive_file:0kB unevictable:1292kB writepending:0kB present:3932160kB managed:3870244kB mlocked:1292kB kernel_stack:6880kB pagetables:12044kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 160.759289][ T9950] lowmem_reserve[]: 0 0 0 0 [ 160.763805][ T9950] Node 0 DMA: 2*4kB (ME) 3*8kB (UME) 1*16kB (M) 2*32kB (ME) 2*64kB (UE) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10352kB [ 160.779938][ T9950] Node 0 DMA32: 27*4kB (U) 1168*8kB (UM) 1345*16kB (UE) 169*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36380kB [ 160.794102][ T9950] Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 160.805912][ T9950] Node 1 Normal: 17*4kB (UM) 9*8kB (UME) 16*16kB (UME) 14*32kB (UM) 4*64kB (UM) 3*128kB (ME) 5*256kB (UME) 4*512kB (UME) 2*1024kB (UM) 1*2048kB (E) 11*4096kB (M) = 53964kB [ 160.823113][ T9950] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 160.832703][ T9950] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 160.847084][ T9950] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 160.856673][ T9950] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 160.865938][ T9950] 506 total pagecache pages [ 160.870467][ T9950] 0 pages in swap cache [ 160.874625][ T9950] Swap cache stats: add 0, delete 0, find 0/0 [ 160.880728][ T9950] Free swap = 0kB [ 160.884447][ T9950] Total swap = 0kB [ 160.888217][ T9950] 1965979 pages RAM [ 160.892019][ T9950] 0 pages HighMem/MovableOnly [ 160.896723][ T9950] 341179 pages reserved [ 160.900876][ T9950] 0 pages cma reserved [ 160.904944][ T9950] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9940,uid=0 [ 160.919511][ T9950] Out of memory: Killed process 9940 (syz-executor862) total-vm:17980kB, anon-rss:16960kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 160.939988][ T1065] oom_reaper: reaped process 9940 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program [ 162.802849][ T9954] syz-executor862 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 162.815342][ T9954] CPU: 1 PID: 9954 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 162.824444][ T9954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.834497][ T9954] Call Trace: [ 162.837789][ T9954] dump_stack+0x172/0x1f0 [ 162.842119][ T9954] dump_header+0x177/0x1152 [ 162.846626][ T9954] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 162.852430][ T9954] ? ___ratelimit+0x2c8/0x595 [ 162.857103][ T9954] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 162.862905][ T9954] ? lockdep_hardirqs_on+0x418/0x5d0 [ 162.868185][ T9954] ? trace_hardirqs_on+0x67/0x240 [ 162.873233][ T9954] ? pagefault_out_of_memory+0x11c/0x11c [ 162.878879][ T9954] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 162.884694][ T9954] ? ___ratelimit+0x60/0x595 [ 162.889289][ T9954] ? do_raw_spin_unlock+0x57/0x270 [ 162.894416][ T9954] oom_kill_process.cold+0x10/0x15 [ 162.899532][ T9954] out_of_memory+0x334/0x1340 [ 162.904220][ T9954] ? oom_killer_disable+0x280/0x280 [ 162.909509][ T9954] ? mutex_trylock+0x252/0x2d0 [ 162.914268][ T9954] ? __alloc_pages_slowpath+0xb84/0x2540 [ 162.919912][ T9954] __alloc_pages_slowpath+0x1df9/0x2540 [ 162.925481][ T9954] ? warn_alloc+0x110/0x110 [ 162.929984][ T9954] ? __might_sleep+0x95/0x190 [ 162.934640][ T9954] __alloc_pages_nodemask+0x63a/0x900 [ 162.940079][ T9954] ? __alloc_pages_slowpath+0x2540/0x2540 [ 162.945788][ T9954] ? mark_lock+0xc2/0x1220 [ 162.950184][ T9954] ? pmd_val+0x85/0x100 [ 162.954318][ T9954] ? add_mm_counter_fast.part.0+0x40/0x40 [ 162.960018][ T9954] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 162.966234][ T9954] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 162.972468][ T9954] alloc_pages_vma+0x1bc/0x3f0 [ 162.977239][ T9954] __handle_mm_fault+0x1de2/0x3f20 [ 162.982331][ T9954] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 162.987863][ T9954] ? __kasan_check_read+0x11/0x20 [ 162.992874][ T9954] handle_mm_fault+0x1b5/0x6c0 [ 162.997616][ T9954] __get_user_pages+0x7d4/0x1b30 [ 163.002531][ T9954] ? mark_held_locks+0xf0/0xf0 [ 163.007279][ T9954] ? follow_page_mask+0x1cf0/0x1cf0 [ 163.012453][ T9954] ? __mm_populate+0x270/0x380 [ 163.017215][ T9954] ? __kasan_check_write+0x14/0x20 [ 163.022305][ T9954] ? down_read+0x109/0x430 [ 163.026719][ T9954] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 163.032486][ T9954] populate_vma_page_range+0x20d/0x2a0 [ 163.037939][ T9954] __mm_populate+0x204/0x380 [ 163.042511][ T9954] ? populate_vma_page_range+0x2a0/0x2a0 [ 163.048123][ T9954] ? __kasan_check_write+0x14/0x20 [ 163.053211][ T9954] ? up_write+0x155/0x490 [ 163.057517][ T9954] ? ns_capable_common+0x93/0x100 [ 163.062524][ T9954] __x64_sys_mlockall+0x473/0x520 [ 163.067639][ T9954] do_syscall_64+0xfa/0x760 [ 163.072127][ T9954] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.077994][ T9954] RIP: 0033:0x4466d9 [ 163.081903][ T9954] Code: e8 5c b3 02 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 163.101484][ T9954] RSP: 002b:00007f872d192db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 163.109883][ T9954] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004466d9 [ 163.117832][ T9954] RDX: 00000000004466d9 RSI: 0000000000000000 RDI: 0000000000000001 [ 163.125794][ T9954] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 163.133742][ T9954] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 163.141703][ T9954] R13: 00007ffdda08980f R14: 00007f872d1939c0 R15: 20c49ba5e353f7cf [ 163.150379][ T9954] Mem-Info: [ 163.153523][ T9954] active_anon:2604 inactive_anon:1421497 isolated_anon:0 [ 163.153523][ T9954] active_file:18 inactive_file:17 isolated_file:0 [ 163.153523][ T9954] unevictable:2976 dirty:0 writeback:0 unstable:0 [ 163.153523][ T9954] slab_reclaimable:15231 slab_unreclaimable:106073 [ 163.153523][ T9954] mapped:221 shmem:245 pagetables:5013 bounce:0 [ 163.153523][ T9954] free:24994 free_pcp:186 free_cma:0 [ 163.191271][ T9954] Node 0 active_anon:7856kB inactive_anon:2094616kB active_file:36kB inactive_file:40kB unevictable:6020kB isolated(anon):0kB isolated(file):0kB mapped:232kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2002944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 163.219945][ T9954] Node 1 active_anon:2560kB inactive_anon:3591372kB active_file:36kB inactive_file:32kB unevictable:5884kB isolated(anon):0kB isolated(file):0kB mapped:652kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 163.247984][ T9954] Node 0 DMA free:10332kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 163.275376][ T9954] lowmem_reserve[]: 0 2547 2548 2548 [ 163.281775][ T9954] Node 0 DMA32 free:35704kB min:36184kB low:45228kB high:54272kB active_anon:7804kB inactive_anon:2088548kB active_file:24kB inactive_file:16kB unevictable:6020kB writepending:0kB present:3129332kB managed:2611876kB mlocked:6020kB kernel_stack:9792kB pagetables:7992kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 163.341661][ T9954] lowmem_reserve[]: 0 0 1 1 [ 163.346289][ T9954] Node 0 Normal free:8kB min:16kB low:20kB high:24kB active_anon:52kB inactive_anon:752kB active_file:16kB inactive_file:16kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:32kB pagetables:12kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 163.374675][ T9954] lowmem_reserve[]: 0 0 0 0 [ 163.384825][ T9954] Node 1 Normal free:53628kB min:53684kB low:67104kB high:80524kB active_anon:2560kB inactive_anon:3591372kB active_file:36kB inactive_file:32kB unevictable:5884kB writepending:0kB present:3932160kB managed:3870244kB mlocked:5884kB kernel_stack:6880kB pagetables:12048kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 163.415901][ T9954] lowmem_reserve[]: 0 0 0 0 [ 163.420518][ T9954] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 3*32kB (UME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10332kB [ 163.436950][ T9954] Node 0 DMA32: 3*4kB (UE) 1019*8kB (UM) 1402*16kB (UE) 183*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36452kB [ 163.451199][ T9954] Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 163.463083][ T9954] Node 1 Normal: 58*4kB (UME) 42*8kB (UME) 9*16kB (UME) 9*32kB (UME) 5*64kB (UME) 3*128kB (UME) 2*256kB (UM) 1*512kB (E) 2*1024kB (UM) 2*2048kB (ME) 11*4096kB (M) = 53928kB [ 163.480396][ T9954] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 163.490041][ T9954] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 163.499525][ T9954] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 163.509128][ T9954] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 163.518478][ T9954] 510 total pagecache pages [ 163.522978][ T9954] 0 pages in swap cache [ 163.527178][ T9954] Swap cache stats: add 0, delete 0, find 0/0 [ 163.533235][ T9954] Free swap = 0kB [ 163.537908][ T9954] Total swap = 0kB [ 163.541633][ T9954] 1965979 pages RAM [ 163.545433][ T9954] 0 pages HighMem/MovableOnly [ 163.550143][ T9954] 341179 pages reserved [ 163.554291][ T9954] 0 pages cma reserved [ 163.558418][ T9954] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9952,uid=0 [ 163.572825][ T9954] Out of memory: Killed process 9952 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 163.596408][ T1065] oom_reaper: reaped process 9952 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program [ 164.419751][ T9958] syz-executor862 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 164.432166][ T9958] CPU: 0 PID: 9958 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 164.441259][ T9958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.451298][ T9958] Call Trace: [ 164.454579][ T9958] dump_stack+0x172/0x1f0 [ 164.458898][ T9958] dump_header+0x177/0x1152 [ 164.463380][ T9958] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 164.469164][ T9958] ? ___ratelimit+0x2c8/0x595 [ 164.473820][ T9958] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 164.479608][ T9958] ? lockdep_hardirqs_on+0x418/0x5d0 [ 164.484878][ T9958] ? trace_hardirqs_on+0x67/0x240 [ 164.489887][ T9958] ? pagefault_out_of_memory+0x11c/0x11c [ 164.495500][ T9958] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 164.501344][ T9958] ? ___ratelimit+0x60/0x595 [ 164.505954][ T9958] ? do_raw_spin_unlock+0x57/0x270 [ 164.511059][ T9958] oom_kill_process.cold+0x10/0x15 [ 164.516169][ T9958] out_of_memory+0x334/0x1340 [ 164.520835][ T9958] ? oom_killer_disable+0x280/0x280 [ 164.526014][ T9958] ? mutex_trylock+0x252/0x2d0 [ 164.530758][ T9958] ? __alloc_pages_slowpath+0xb84/0x2540 [ 164.536374][ T9958] __alloc_pages_slowpath+0x1df9/0x2540 [ 164.541915][ T9958] ? warn_alloc+0x110/0x110 [ 164.546409][ T9958] ? __might_sleep+0x95/0x190 [ 164.551066][ T9958] __alloc_pages_nodemask+0x63a/0x900 [ 164.556437][ T9958] ? __alloc_pages_slowpath+0x2540/0x2540 [ 164.562147][ T9958] ? mark_lock+0xc2/0x1220 [ 164.566545][ T9958] ? pmd_val+0x85/0x100 [ 164.570690][ T9958] ? add_mm_counter_fast.part.0+0x40/0x40 [ 164.576400][ T9958] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 164.582638][ T9958] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 164.588869][ T9958] alloc_pages_vma+0x1bc/0x3f0 [ 164.593637][ T9958] __handle_mm_fault+0x1de2/0x3f20 [ 164.598759][ T9958] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 164.604302][ T9958] ? __kasan_check_read+0x11/0x20 [ 164.609329][ T9958] handle_mm_fault+0x1b5/0x6c0 [ 164.614077][ T9958] __get_user_pages+0x7d4/0x1b30 [ 164.618996][ T9958] ? mark_held_locks+0xf0/0xf0 [ 164.623759][ T9958] ? follow_page_mask+0x1cf0/0x1cf0 [ 164.628950][ T9958] ? __mm_populate+0x270/0x380 [ 164.633696][ T9958] ? __kasan_check_write+0x14/0x20 [ 164.638801][ T9958] ? down_read+0x109/0x430 [ 164.643349][ T9958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 164.649591][ T9958] populate_vma_page_range+0x20d/0x2a0 [ 164.655035][ T9958] __mm_populate+0x204/0x380 [ 164.659614][ T9958] ? populate_vma_page_range+0x2a0/0x2a0 [ 164.665231][ T9958] ? __kasan_check_write+0x14/0x20 [ 164.670322][ T9958] ? up_write+0x155/0x490 [ 164.674633][ T9958] ? ns_capable_common+0x93/0x100 [ 164.679643][ T9958] __x64_sys_mlockall+0x473/0x520 [ 164.684664][ T9958] do_syscall_64+0xfa/0x760 [ 164.689151][ T9958] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.695035][ T9958] RIP: 0033:0x4466d9 [ 164.698911][ T9958] Code: e8 5c b3 02 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 164.718498][ T9958] RSP: 002b:00007f872d192db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 164.726893][ T9958] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004466d9 [ 164.734843][ T9958] RDX: 00000000004466d9 RSI: 00000000004466d9 RDI: 0000000000000001 [ 164.742792][ T9958] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 164.750743][ T9958] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 164.758707][ T9958] R13: 00007ffdda08980f R14: 00007f872d1939c0 R15: 20c49ba5e353f7cf [ 164.767274][ T9958] Mem-Info: [ 164.770417][ T9958] active_anon:2606 inactive_anon:1421496 isolated_anon:0 [ 164.770417][ T9958] active_file:19 inactive_file:6 isolated_file:0 [ 164.770417][ T9958] unevictable:2716 dirty:0 writeback:0 unstable:0 [ 164.770417][ T9958] slab_reclaimable:15248 slab_unreclaimable:106366 [ 164.770417][ T9958] mapped:220 shmem:245 pagetables:5012 bounce:0 [ 164.770417][ T9958] free:25073 free_pcp:126 free_cma:0 [ 164.807966][ T9958] Node 0 active_anon:7828kB inactive_anon:2092136kB active_file:104kB inactive_file:84kB unevictable:8408kB isolated(anon):0kB isolated(file):0kB mapped:328kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2002944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 164.836530][ T9958] Node 1 active_anon:2596kB inactive_anon:3593848kB active_file:48kB inactive_file:48kB unevictable:2456kB isolated(anon):0kB isolated(file):0kB mapped:652kB dirty:0kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 164.864440][ T9958] Node 0 DMA free:10328kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 164.891605][ T9958] lowmem_reserve[]: 0 2547 2548 2548 [ 164.896980][ T9958] Node 0 DMA32 free:36016kB min:36184kB low:45228kB high:54272kB active_anon:7784kB inactive_anon:2086092kB active_file:4kB inactive_file:0kB unevictable:8320kB writepending:0kB present:3129332kB managed:2611876kB mlocked:8320kB kernel_stack:9728kB pagetables:7984kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 164.926742][ T9958] lowmem_reserve[]: 0 0 1 1 [ 164.931256][ T9958] Node 0 Normal free:8kB min:16kB low:20kB high:24kB active_anon:44kB inactive_anon:728kB active_file:0kB inactive_file:4kB unevictable:88kB writepending:0kB present:786432kB managed:1172kB mlocked:88kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 164.958535][ T9958] lowmem_reserve[]: 0 0 0 0 [ 164.963061][ T9958] Node 1 Normal free:53684kB min:53684kB low:67104kB high:80524kB active_anon:2596kB inactive_anon:3593848kB active_file:52kB inactive_file:48kB unevictable:2456kB writepending:0kB present:3932160kB managed:3870244kB mlocked:2456kB kernel_stack:6944kB pagetables:12064kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 164.993314][ T9958] lowmem_reserve[]: 0 0 0 0 [ 165.006642][ T9958] Node 0 DMA: 2*4kB (ME) 2*8kB (ME) 2*16kB (UM) 3*32kB (UME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10328kB [ 165.023133][ T9958] Node 0 DMA32: 11*4kB (UM) 989*8kB (UM) 1413*16kB (UE) 186*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36516kB [ 165.037324][ T9958] Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 165.049272][ T9958] Node 1 Normal: 13*4kB (UE) 2*8kB (E) 3*16kB (ME) 8*32kB (UME) 19*64kB (UME) 3*128kB (ME) 2*256kB (M) 2*512kB (UE) 1*1024kB (M) 2*2048kB (ME) 11*4096kB (M) = 53684kB [ 165.065987][ T9958] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 165.075654][ T9958] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 165.084977][ T9958] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 165.094570][ T9958] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 165.103884][ T9958] 490 total pagecache pages [ 165.108418][ T9958] 0 pages in swap cache [ 165.112577][ T9958] Swap cache stats: add 0, delete 0, find 0/0 [ 165.118677][ T9958] Free swap = 0kB [ 165.122389][ T9958] Total swap = 0kB [ 165.126099][ T9958] 1965979 pages RAM [ 165.129998][ T9958] 0 pages HighMem/MovableOnly [ 165.134681][ T9958] 341179 pages reserved [ 165.138866][ T9958] 0 pages cma reserved [ 165.142929][ T9958] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9956,uid=0 [ 165.157287][ T9958] Out of memory: Killed process 9956 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 165.176437][ T1065] oom_reaper: reaped process 9956 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program [ 165.585804][ T9962] syz-executor862 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 165.598336][ T9962] CPU: 0 PID: 9962 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 165.607449][ T9962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.617513][ T9962] Call Trace: [ 165.620802][ T9962] dump_stack+0x172/0x1f0 [ 165.625129][ T9962] dump_header+0x177/0x1152 [ 165.629632][ T9962] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 165.635417][ T9962] ? ___ratelimit+0x2c8/0x595 [ 165.640092][ T9962] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 165.646143][ T9962] ? lockdep_hardirqs_on+0x418/0x5d0 [ 165.651409][ T9962] ? trace_hardirqs_on+0x67/0x240 [ 165.656431][ T9962] ? pagefault_out_of_memory+0x11c/0x11c [ 165.662063][ T9962] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 165.667856][ T9962] ? ___ratelimit+0x60/0x595 [ 165.672425][ T9962] ? do_raw_spin_unlock+0x57/0x270 [ 165.677525][ T9962] oom_kill_process.cold+0x10/0x15 [ 165.682638][ T9962] out_of_memory+0x334/0x1340 [ 165.687298][ T9962] ? oom_killer_disable+0x280/0x280 [ 165.692477][ T9962] ? mutex_trylock+0x252/0x2d0 [ 165.697230][ T9962] ? __alloc_pages_slowpath+0xb84/0x2540 [ 165.702843][ T9962] __alloc_pages_slowpath+0x1df9/0x2540 [ 165.708382][ T9962] ? warn_alloc+0x110/0x110 [ 165.712875][ T9962] ? __might_sleep+0x95/0x190 [ 165.717539][ T9962] __alloc_pages_nodemask+0x63a/0x900 [ 165.722903][ T9962] ? __alloc_pages_slowpath+0x2540/0x2540 [ 165.728624][ T9962] ? mark_lock+0xc2/0x1220 [ 165.733023][ T9962] ? pmd_val+0x85/0x100 [ 165.737161][ T9962] ? add_mm_counter_fast.part.0+0x40/0x40 [ 165.742865][ T9962] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 165.749085][ T9962] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 165.755303][ T9962] alloc_pages_vma+0x1bc/0x3f0 [ 165.760051][ T9962] __handle_mm_fault+0x1de2/0x3f20 [ 165.765145][ T9962] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 165.770682][ T9962] ? __kasan_check_read+0x11/0x20 [ 165.775691][ T9962] handle_mm_fault+0x1b5/0x6c0 [ 165.780447][ T9962] __get_user_pages+0x7d4/0x1b30 [ 165.785363][ T9962] ? mark_held_locks+0xf0/0xf0 [ 165.790117][ T9962] ? follow_page_mask+0x1cf0/0x1cf0 [ 165.795301][ T9962] ? __mm_populate+0x270/0x380 [ 165.800057][ T9962] ? __kasan_check_write+0x14/0x20 [ 165.805156][ T9962] ? down_read+0x109/0x430 [ 165.809576][ T9962] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 165.815352][ T9962] populate_vma_page_range+0x20d/0x2a0 [ 165.820808][ T9962] __mm_populate+0x204/0x380 [ 165.825399][ T9962] ? populate_vma_page_range+0x2a0/0x2a0 [ 165.831022][ T9962] ? __kasan_check_write+0x14/0x20 [ 165.836120][ T9962] ? up_write+0x155/0x490 [ 165.840431][ T9962] ? ns_capable_common+0x93/0x100 [ 165.845444][ T9962] __x64_sys_mlockall+0x473/0x520 [ 165.850453][ T9962] do_syscall_64+0xfa/0x760 [ 165.854950][ T9962] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.860838][ T9962] RIP: 0033:0x4466d9 [ 165.864713][ T9962] Code: e8 5c b3 02 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 165.884410][ T9962] RSP: 002b:00007f872d192db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 165.892811][ T9962] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004466d9 [ 165.900773][ T9962] RDX: 00000000004466d9 RSI: 00000000004466d9 RDI: 0000000000000001 [ 165.908884][ T9962] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 165.916945][ T9962] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 165.924905][ T9962] R13: 00007ffdda08980f R14: 00007f872d1939c0 R15: 20c49ba5e353f7cf [ 165.933141][ T9962] Mem-Info: [ 165.936291][ T9962] active_anon:2607 inactive_anon:1421495 isolated_anon:0 [ 165.936291][ T9962] active_file:17 inactive_file:42 isolated_file:0 [ 165.936291][ T9962] unevictable:1038 dirty:0 writeback:0 unstable:0 [ 165.936291][ T9962] slab_reclaimable:15269 slab_unreclaimable:106138 [ 165.936291][ T9962] mapped:220 shmem:245 pagetables:5009 bounce:0 [ 165.936291][ T9962] free:26870 free_pcp:62 free_cma:0 [ 165.973785][ T9962] Node 0 active_anon:7820kB inactive_anon:2094164kB active_file:20kB inactive_file:824kB unevictable:680kB isolated(anon):0kB isolated(file):0kB mapped:628kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2002944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 166.002263][ T9962] Node 1 active_anon:2608kB inactive_anon:3591816kB active_file:240kB inactive_file:152kB unevictable:3472kB isolated(anon):0kB isolated(file):0kB mapped:852kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 166.034497][ T9962] Node 0 DMA free:10328kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 166.081699][ T9962] lowmem_reserve[]: 0 2547 2548 2548 [ 166.087300][ T9962] Node 0 DMA32 free:41820kB min:117592kB low:126636kB high:135680kB active_anon:7780kB inactive_anon:2088040kB active_file:520kB inactive_file:0kB unevictable:680kB writepending:0kB present:3129332kB managed:2611876kB mlocked:680kB kernel_stack:9728kB pagetables:7968kB bounce:0kB free_pcp:1960kB local_pcp:496kB free_cma:0kB [ 166.117964][ T9962] lowmem_reserve[]: 0 0 1 1 [ 166.122478][ T9962] Node 0 Normal free:8kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:808kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 166.149481][ T9962] lowmem_reserve[]: 0 0 0 0 [ 166.154257][ T9962] Node 1 Normal free:53876kB min:53684kB low:67104kB high:80524kB active_anon:2608kB inactive_anon:3591816kB active_file:48kB inactive_file:36kB unevictable:3472kB writepending:0kB present:3932160kB managed:3870244kB mlocked:3472kB kernel_stack:6944kB pagetables:12068kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 166.185022][ T9962] lowmem_reserve[]: 0 0 0 0 [ 166.189809][ T9962] Node 0 DMA: 2*4kB (ME) 2*8kB (ME) 2*16kB (UM) 3*32kB (UME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10328kB [ 166.207201][ T9962] Node 0 DMA32: 188*4kB (UM) 1606*8kB (UM) 1442*16kB (UME) 193*32kB (UE) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 42912kB [ 166.222210][ T9962] Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 166.234242][ T9962] Node 1 Normal: 21*4kB (UE) 3*8kB (UE) 8*16kB (UME) 7*32kB (UME) 7*64kB (UME) 0*128kB 2*256kB (UM) 4*512kB (UME) 3*1024kB (UM) 3*2048kB (UME) 10*4096kB (M) = 53644kB [ 166.251870][ T9962] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 166.261713][ T9962] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 166.272189][ T9962] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 166.282859][ T9962] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 166.293420][ T9962] 595 total pagecache pages [ 166.298824][ T9962] 0 pages in swap cache [ 166.303831][ T9962] Swap cache stats: add 0, delete 0, find 0/0 [ 166.310975][ T9962] Free swap = 0kB [ 166.315680][ T9962] Total swap = 0kB [ 166.320256][ T9962] 1965979 pages RAM [ 166.325020][ T9962] 0 pages HighMem/MovableOnly [ 166.334861][ T9962] 341179 pages reserved [ 166.339962][ T9962] 0 pages cma reserved [ 166.344032][ T9962] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9960,uid=0 [ 166.358874][ T9962] Out of memory: Killed process 9960 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 167.719770][ T3891] udevd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=-1000 [ 167.730823][ T3891] CPU: 1 PID: 3891 Comm: udevd Not tainted 5.3.0-rc6-next-20190830 #75 [ 167.739072][ T3891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.749131][ T3891] Call Trace: [ 167.752431][ T3891] dump_stack+0x172/0x1f0 [ 167.756771][ T3891] dump_header+0x177/0x1152 [ 167.761278][ T3891] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 167.767084][ T3891] ? ___ratelimit+0x2c8/0x595 [ 167.771760][ T3891] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 167.777566][ T3891] ? lockdep_hardirqs_on+0x418/0x5d0 [ 167.782849][ T3891] ? trace_hardirqs_on+0x67/0x240 [ 167.787877][ T3891] ? pagefault_out_of_memory+0x11c/0x11c [ 167.793512][ T3891] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 167.799318][ T3891] ? ___ratelimit+0x60/0x595 [ 167.803907][ T3891] ? do_raw_spin_unlock+0x57/0x270 [ 167.809021][ T3891] oom_kill_process.cold+0x10/0x15 [ 167.814135][ T3891] out_of_memory+0x334/0x1340 [ 167.818820][ T3891] ? oom_killer_disable+0x280/0x280 [ 167.824018][ T3891] ? mutex_trylock+0x252/0x2d0 [ 167.828780][ T3891] ? __alloc_pages_slowpath+0xb84/0x2540 [ 167.834513][ T3891] __alloc_pages_slowpath+0x1df9/0x2540 [ 167.840053][ T3891] ? warn_alloc+0x110/0x110 [ 167.844555][ T3891] ? __might_sleep+0x95/0x190 [ 167.849234][ T3891] __alloc_pages_nodemask+0x63a/0x900 [ 167.854613][ T3891] ? xas_descend+0x144/0x370 [ 167.859258][ T3891] ? __alloc_pages_slowpath+0x2540/0x2540 [ 167.865036][ T3891] ? __kasan_check_read+0x11/0x20 [ 167.870073][ T3891] ? find_get_entry+0x4ab/0x7a0 [ 167.874929][ T3891] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 167.881175][ T3891] alloc_pages_current+0x107/0x210 [ 167.886296][ T3891] __page_cache_alloc+0x2a2/0x490 [ 167.891337][ T3891] pagecache_get_page+0x27e/0x900 [ 167.896397][ T3891] filemap_fault+0x901/0x2b70 [ 167.901061][ T3891] ? mark_held_locks+0xf0/0xf0 [ 167.905817][ T3891] ? pagecache_get_page+0x900/0x900 [ 167.911015][ T3891] ? __kasan_check_write+0x14/0x20 [ 167.916127][ T3891] ? down_read+0x109/0x430 [ 167.920547][ T3891] ? down_read_killable+0x490/0x490 [ 167.925748][ T3891] ? lock_downgrade+0x920/0x920 [ 167.930606][ T3891] ext4_filemap_fault+0x86/0xb2 [ 167.935456][ T3891] __do_fault+0x111/0x540 [ 167.939778][ T3891] ? do_raw_spin_unlock+0x57/0x270 [ 167.944890][ T3891] __handle_mm_fault+0x2cb8/0x3f20 [ 167.949995][ T3891] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 167.955527][ T3891] ? __kasan_check_read+0x11/0x20 [ 167.960535][ T3891] handle_mm_fault+0x1b5/0x6c0 [ 167.965303][ T3891] __do_page_fault+0x536/0xdd0 [ 167.970054][ T3891] ? page_fault+0x16/0x40 [ 167.974400][ T3891] do_page_fault+0x38/0x590 [ 167.978905][ T3891] page_fault+0x39/0x40 [ 167.983059][ T3891] RIP: 0033:0x7f9376167000 [ 167.987483][ T3891] Code: Bad RIP value. [ 167.991542][ T3891] RSP: 002b:00007ffdb15b4b88 EFLAGS: 00010203 [ 167.997611][ T3891] RAX: 00007ffdb15b4c24 RBX: 00000000000003fc RCX: 0000000000000000 [ 168.005586][ T3891] RDX: 0000000000000004 RSI: 00000000015b90d4 RDI: 00007ffdb15b4c24 [ 168.013567][ T3891] RBP: 0000000000000004 R08: 00000000015b90d0 R09: 00007f93761691d0 [ 168.021529][ T3891] R10: 00000000015b9250 R11: 00007f9376198c10 R12: 00000000015b90d0 [ 168.029629][ T3891] R13: 00007ffdb15b4bc0 R14: 00000000015b92d0 R15: 00007ffdb15b514f [ 168.038942][ T3891] Mem-Info: [ 168.042091][ T3891] active_anon:2622 inactive_anon:1421496 isolated_anon:0 [ 168.042091][ T3891] active_file:11 inactive_file:7 isolated_file:0 [ 168.042091][ T3891] unevictable:1652 dirty:0 writeback:0 unstable:0 [ 168.042091][ T3891] slab_reclaimable:15304 slab_unreclaimable:106176 [ 168.042091][ T3891] mapped:220 shmem:245 pagetables:5016 bounce:0 [ 168.042091][ T3891] free:26146 free_pcp:62 free_cma:0 [ 168.079819][ T3891] Node 0 active_anon:7888kB inactive_anon:2092060kB active_file:16kB inactive_file:96kB unevictable:6448kB isolated(anon):0kB isolated(file):32kB mapped:576kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2002944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 168.108601][ T3891] Node 1 active_anon:2600kB inactive_anon:3593924kB active_file:28kB inactive_file:32kB unevictable:760kB isolated(anon):0kB isolated(file):0kB mapped:304kB dirty:0kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 168.136692][ T3891] Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 168.163837][ T3891] lowmem_reserve[]: 0 2547 2548 2548 [ 168.169623][ T3891] Node 0 DMA32 free:39148kB min:101720kB low:110764kB high:119808kB active_anon:7848kB inactive_anon:2086008kB active_file:16kB inactive_file:16kB unevictable:6264kB writepending:0kB present:3129332kB managed:2611876kB mlocked:6264kB kernel_stack:9824kB pagetables:8024kB bounce:0kB free_pcp:384kB local_pcp:0kB free_cma:0kB [ 168.199956][ T3891] lowmem_reserve[]: 0 0 1 1 [ 168.204452][ T3891] Node 0 Normal free:4kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:736kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 168.231325][ T3891] lowmem_reserve[]: 0 0 0 0 [ 168.235837][ T3891] Node 1 Normal free:53612kB min:53684kB low:67104kB high:80524kB active_anon:2600kB inactive_anon:3593924kB active_file:28kB inactive_file:32kB unevictable:760kB writepending:0kB present:3932160kB managed:3870244kB mlocked:760kB kernel_stack:6880kB pagetables:12040kB bounce:0kB free_pcp:252kB local_pcp:0kB free_cma:0kB [ 168.265901][ T3891] lowmem_reserve[]: 0 0 0 0 [ 168.270432][ T3891] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10300kB [ 168.286546][ T3891] Node 0 DMA32: 1*4kB (M) 1226*8kB (U) 1459*16kB (UE) 192*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 39300kB [ 168.300976][ T3891] Node 0 Normal: 1*4kB (U) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB [ 168.312728][ T3891] Node 1 Normal: 1*4kB (M) 1*8kB (M) 10*16kB (UE) 15*32kB (UME) 13*64kB (UME) 2*128kB (M) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 3*2048kB (UME) 10*4096kB (M) = 53708kB [ 168.329469][ T3891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 168.339020][ T3891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 168.348317][ T3891] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 168.357864][ T3891] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 168.367156][ T3891] 510 total pagecache pages [ 168.371636][ T3891] 0 pages in swap cache [ 168.375770][ T3891] Swap cache stats: add 0, delete 0, find 0/0 [ 168.382013][ T3891] Free swap = 0kB [ 168.385733][ T3891] Total swap = 0kB [ 168.389496][ T3891] 1965979 pages RAM [ 168.393293][ T3891] 0 pages HighMem/MovableOnly [ 168.397975][ T3891] 341179 pages reserved [ 168.402107][ T3891] 0 pages cma reserved [ 168.406152][ T3891] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9964,uid=0 [ 168.420482][ T3891] Out of memory: Killed process 9964 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 168.441386][ T1065] oom_reaper: reaped process 9964 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program executing program [ 169.159124][ T8703] sshd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 169.169514][ T8703] CPU: 0 PID: 8703 Comm: sshd Not tainted 5.3.0-rc6-next-20190830 #75 [ 169.177647][ T8703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.187685][ T8703] Call Trace: [ 169.190960][ T8703] dump_stack+0x172/0x1f0 [ 169.195276][ T8703] dump_header+0x177/0x1152 [ 169.199760][ T8703] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 169.205542][ T8703] ? ___ratelimit+0x2c8/0x595 [ 169.210197][ T8703] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 169.215984][ T8703] ? lockdep_hardirqs_on+0x418/0x5d0 [ 169.221254][ T8703] ? trace_hardirqs_on+0x67/0x240 [ 169.226259][ T8703] ? pagefault_out_of_memory+0x11c/0x11c [ 169.231885][ T8703] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 169.237671][ T8703] ? ___ratelimit+0x60/0x595 [ 169.242242][ T8703] ? do_raw_spin_unlock+0x57/0x270 [ 169.247338][ T8703] oom_kill_process.cold+0x10/0x15 [ 169.252436][ T8703] out_of_memory+0x334/0x1340 [ 169.257096][ T8703] ? oom_killer_disable+0x280/0x280 [ 169.262285][ T8703] ? mutex_trylock+0x252/0x2d0 [ 169.267051][ T8703] ? __alloc_pages_slowpath+0xb84/0x2540 [ 169.272676][ T8703] __alloc_pages_slowpath+0x1df9/0x2540 [ 169.278212][ T8703] ? warn_alloc+0x110/0x110 [ 169.282703][ T8703] ? __might_sleep+0x95/0x190 [ 169.287361][ T8703] __alloc_pages_nodemask+0x63a/0x900 [ 169.292711][ T8703] ? xas_descend+0x144/0x370 [ 169.297282][ T8703] ? __alloc_pages_slowpath+0x2540/0x2540 [ 169.303002][ T8703] ? __kasan_check_read+0x11/0x20 [ 169.308103][ T8703] ? find_get_entry+0x4ab/0x7a0 [ 169.312947][ T8703] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 169.319183][ T8703] alloc_pages_current+0x107/0x210 [ 169.324275][ T8703] __page_cache_alloc+0x2a2/0x490 [ 169.329280][ T8703] pagecache_get_page+0x27e/0x900 [ 169.334286][ T8703] filemap_fault+0x901/0x2b70 [ 169.338943][ T8703] ? mark_held_locks+0xf0/0xf0 [ 169.343692][ T8703] ? pagecache_get_page+0x900/0x900 [ 169.348871][ T8703] ? __kasan_check_write+0x14/0x20 [ 169.353960][ T8703] ? down_read+0x109/0x430 [ 169.358360][ T8703] ? down_read_killable+0x490/0x490 [ 169.363535][ T8703] ? find_lock_entry+0x560/0x560 [ 169.368453][ T8703] ? pmd_val+0x85/0x100 [ 169.372591][ T8703] ext4_filemap_fault+0x86/0xb2 [ 169.377422][ T8703] __do_fault+0x111/0x540 [ 169.381731][ T8703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 169.387955][ T8703] __handle_mm_fault+0x2cb8/0x3f20 [ 169.393051][ T8703] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 169.398592][ T8703] ? __kasan_check_read+0x11/0x20 [ 169.403604][ T8703] handle_mm_fault+0x1b5/0x6c0 [ 169.408357][ T8703] __do_page_fault+0x536/0xdd0 [ 169.413104][ T8703] ? page_fault+0x16/0x40 [ 169.417433][ T8703] do_page_fault+0x38/0x590 [ 169.421941][ T8703] page_fault+0x39/0x40 [ 169.426091][ T8703] RIP: 0033:0x564f6615ba80 [ 169.430496][ T8703] Code: Bad RIP value. [ 169.434561][ T8703] RSP: 002b:00007ffc54447f68 EFLAGS: 00010246 [ 169.440611][ T8703] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9736b383e0 [ 169.448566][ T8703] RDX: 0000000000000000 RSI: 0000564f67d62b00 RDI: 0000564f67d62b20 [ 169.456526][ T8703] RBP: 0000564f6639ec88 R08: 00007ffc54447f20 R09: 0101010101010101 [ 169.464476][ T8703] R10: 0000000000000008 R11: 0000000000000246 R12: 0000564f67d53b80 [ 169.472425][ T8703] R13: 0000564f6639cfb4 R14: 0000000000000028 R15: 0000564f6639eca0 [ 169.510328][ T8703] Mem-Info: [ 169.521006][ T8703] active_anon:2624 inactive_anon:1421495 isolated_anon:0 [ 169.521006][ T8703] active_file:40 inactive_file:0 isolated_file:0 [ 169.521006][ T8703] unevictable:720 dirty:0 writeback:0 unstable:0 [ 169.521006][ T8703] slab_reclaimable:15326 slab_unreclaimable:106351 [ 169.521006][ T8703] mapped:245 shmem:245 pagetables:5014 bounce:0 [ 169.521006][ T8703] free:26758 free_pcp:0 free_cma:0 [ 169.646848][ T8703] Node 0 active_anon:7868kB inactive_anon:2093192kB active_file:20kB inactive_file:20kB unevictable:2216kB isolated(anon):0kB isolated(file):0kB mapped:840kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2002944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 169.707637][ T8703] Node 1 active_anon:2628kB inactive_anon:3592788kB active_file:132kB inactive_file:0kB unevictable:1444kB isolated(anon):0kB isolated(file):0kB mapped:40kB dirty:0kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 169.757609][ T8703] Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 169.811950][ T8703] lowmem_reserve[]: 0 2547 2548 2548 [ 169.817350][ T8703] Node 0 DMA32 free:43116kB min:117592kB low:126636kB high:135680kB active_anon:7828kB inactive_anon:2087156kB active_file:20kB inactive_file:16kB unevictable:2216kB writepending:0kB present:3129332kB managed:2611876kB mlocked:2216kB kernel_stack:9760kB pagetables:7972kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 169.856679][ T8703] lowmem_reserve[]: 0 0 1 1 [ 169.861294][ T8703] Node 0 Normal free:4kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:720kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 169.907572][ T8703] lowmem_reserve[]: 0 0 0 0 [ 169.916592][ T8703] Node 1 Normal free:53504kB min:53684kB low:67104kB high:80524kB active_anon:2628kB inactive_anon:3592788kB active_file:16kB inactive_file:20kB unevictable:1248kB writepending:0kB present:3932160kB managed:3870244kB mlocked:1248kB kernel_stack:6976kB pagetables:12088kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 170.001483][ T8703] lowmem_reserve[]: 0 0 0 0 [ 170.006061][ T8703] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10300kB [ 170.022268][ T8703] Node 0 DMA32: 151*4kB (UM) 1572*8kB (UME) 1477*16kB (UE) 198*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 43148kB [ 170.036787][ T8703] Node 0 Normal: 1*4kB (U) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB [ 170.050694][ T8703] Node 1 Normal: 9*4kB (UME) 2*8kB (UE) 2*16kB (UM) 12*32kB (UME) 5*64kB (ME) 4*128kB (M) 5*256kB (UM) 4*512kB (UME) 2*1024kB (M) 3*2048kB (UME) 10*4096kB (M) = 53780kB [ 170.076706][ T8703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 170.094033][ T8703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 170.119978][ T8703] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 170.137460][ T8703] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 170.146934][ T8703] 490 total pagecache pages [ 170.151439][ T8703] 0 pages in swap cache [ 170.155588][ T8703] Swap cache stats: add 0, delete 0, find 0/0 [ 170.168540][ T8703] Free swap = 0kB [ 170.172277][ T8703] Total swap = 0kB [ 170.175993][ T8703] 1965979 pages RAM [ 170.196649][ T8703] 0 pages HighMem/MovableOnly [ 170.201344][ T8703] 341179 pages reserved [ 170.205489][ T8703] 0 pages cma reserved [ 170.218934][ T8703] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9972,uid=0 executing program [ 170.245189][ T8703] Out of memory: Killed process 9972 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 170.265135][ T1065] oom_reaper: reaped process 9972 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program [ 174.558663][ T9988] syz-executor862 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 174.604005][ T9988] CPU: 0 PID: 9988 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 174.613168][ T9988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.623328][ T9988] Call Trace: [ 174.626635][ T9988] dump_stack+0x172/0x1f0 [ 174.631113][ T9988] dump_header+0x177/0x1152 [ 174.635639][ T9988] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 174.641462][ T9988] ? ___ratelimit+0x2c8/0x595 [ 174.646160][ T9988] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 174.651983][ T9988] ? lockdep_hardirqs_on+0x418/0x5d0 [ 174.657282][ T9988] ? trace_hardirqs_on+0x67/0x240 [ 174.662451][ T9988] ? pagefault_out_of_memory+0x11c/0x11c [ 174.668096][ T9988] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 174.674061][ T9988] ? ___ratelimit+0x60/0x595 [ 174.678663][ T9988] ? do_raw_spin_unlock+0x57/0x270 [ 174.683797][ T9988] oom_kill_process.cold+0x10/0x15 [ 174.688920][ T9988] out_of_memory+0x334/0x1340 [ 174.693619][ T9988] ? oom_killer_disable+0x280/0x280 [ 174.698826][ T9988] ? mutex_trylock+0x252/0x2d0 [ 174.703587][ T9988] ? __alloc_pages_slowpath+0xb84/0x2540 [ 174.709225][ T9988] __alloc_pages_slowpath+0x1df9/0x2540 [ 174.714913][ T9988] ? warn_alloc+0x110/0x110 [ 174.719510][ T9988] ? __might_sleep+0x95/0x190 [ 174.724183][ T9988] __alloc_pages_nodemask+0x63a/0x900 [ 174.729717][ T9988] ? __alloc_pages_slowpath+0x2540/0x2540 [ 174.735541][ T9988] ? mark_lock+0xc2/0x1220 [ 174.739952][ T9988] ? pmd_val+0x85/0x100 [ 174.744335][ T9988] ? add_mm_counter_fast.part.0+0x40/0x40 [ 174.750120][ T9988] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 174.756479][ T9988] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 174.762882][ T9988] alloc_pages_vma+0x1bc/0x3f0 [ 174.767774][ T9988] __handle_mm_fault+0x1de2/0x3f20 [ 174.772890][ T9988] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 174.778441][ T9988] ? __kasan_check_read+0x11/0x20 [ 174.783466][ T9988] handle_mm_fault+0x1b5/0x6c0 [ 174.788228][ T9988] __get_user_pages+0x7d4/0x1b30 [ 174.793157][ T9988] ? mark_held_locks+0xf0/0xf0 [ 174.798168][ T9988] ? follow_page_mask+0x1cf0/0x1cf0 [ 174.803363][ T9988] ? __mm_populate+0x270/0x380 [ 174.808127][ T9988] ? __kasan_check_write+0x14/0x20 [ 174.813232][ T9988] ? down_read+0x109/0x430 [ 174.817665][ T9988] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 174.823390][ T9988] populate_vma_page_range+0x20d/0x2a0 [ 174.828862][ T9988] __mm_populate+0x204/0x380 [ 174.833464][ T9988] ? populate_vma_page_range+0x2a0/0x2a0 [ 174.839152][ T9988] ? __kasan_check_write+0x14/0x20 [ 174.844255][ T9988] ? up_write+0x155/0x490 [ 174.848578][ T9988] ? ns_capable_common+0x93/0x100 [ 174.853611][ T9988] __x64_sys_mlockall+0x473/0x520 [ 174.858640][ T9988] do_syscall_64+0xfa/0x760 [ 174.863260][ T9988] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.869145][ T9988] RIP: 0033:0x4466d9 [ 174.873033][ T9988] Code: e8 5c b3 02 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 174.893049][ T9988] RSP: 002b:00007f872d192db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 174.901864][ T9988] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004466d9 [ 174.909962][ T9988] RDX: 00000000004466d9 RSI: 00000000004466d9 RDI: 0000000000000001 [ 174.918164][ T9988] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 174.926570][ T9988] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 174.934551][ T9988] R13: 00007ffdda08980f R14: 00007f872d1939c0 R15: 20c49ba5e353f7cf [ 174.944343][ T9988] Mem-Info: [ 174.947560][ T9988] active_anon:2653 inactive_anon:1421528 isolated_anon:0 [ 174.947560][ T9988] active_file:13 inactive_file:63 isolated_file:0 [ 174.947560][ T9988] unevictable:2093 dirty:0 writeback:0 unstable:0 [ 174.947560][ T9988] slab_reclaimable:15378 slab_unreclaimable:106165 [ 174.947560][ T9988] mapped:220 shmem:245 pagetables:5029 bounce:0 [ 174.947560][ T9988] free:25181 free_pcp:415 free_cma:0 [ 174.985366][ T9988] Node 0 active_anon:8004kB inactive_anon:2092116kB active_file:220kB inactive_file:140kB unevictable:8372kB isolated(anon):0kB isolated(file):0kB mapped:1080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2002944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 175.014217][ T9988] Node 1 active_anon:2608kB inactive_anon:3593996kB active_file:32kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 175.041550][ T9988] Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 175.068951][ T9988] lowmem_reserve[]: 0 2547 2548 2548 [ 175.088531][ T9988] Node 0 DMA32 free:37784kB min:36184kB low:45228kB high:54272kB active_anon:7964kB inactive_anon:2086084kB active_file:16kB inactive_file:20kB unevictable:8372kB writepending:0kB present:3129332kB managed:2611876kB mlocked:8372kB kernel_stack:9888kB pagetables:8108kB bounce:0kB free_pcp:792kB local_pcp:220kB free_cma:0kB [ 175.119433][ T9988] lowmem_reserve[]: 0 0 1 1 [ 175.123972][ T9988] Node 0 Normal free:4kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:716kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 175.176653][ T9988] lowmem_reserve[]: 0 0 0 0 [ 175.181231][ T9988] Node 1 Normal free:53656kB min:53684kB low:67104kB high:80524kB active_anon:2608kB inactive_anon:3593996kB active_file:32kB inactive_file:32kB unevictable:0kB writepending:0kB present:3932160kB managed:3870244kB mlocked:0kB kernel_stack:6880kB pagetables:12008kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 175.211151][ T9988] lowmem_reserve[]: 0 0 0 0 [ 175.215684][ T9988] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10300kB [ 175.231928][ T9988] Node 0 DMA32: 0*4kB 875*8kB (U) 1502*16kB (UE) 205*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 37592kB [ 175.266654][ T9988] Node 0 Normal: 1*4kB (E) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB [ 175.278657][ T9988] Node 1 Normal: 17*4kB (UM) 9*8kB (UME) 10*16kB (UM) 11*32kB (UME) 9*64kB (UME) 6*128kB (UM) 4*256kB (M) 3*512kB (ME) 2*1024kB (M) 3*2048kB (UME) 10*4096kB (M) = 53708kB [ 175.295975][ T9988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 175.305723][ T9988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 175.317871][ T9988] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 175.327661][ T9988] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 175.349040][ T9988] 501 total pagecache pages [ 175.355200][ T9988] 0 pages in swap cache [ 175.359417][ T9988] Swap cache stats: add 0, delete 0, find 0/0 [ 175.365493][ T9988] Free swap = 0kB [ 175.374430][ T9988] Total swap = 0kB [ 175.379321][ T9988] 1965979 pages RAM [ 175.388552][ T9988] 0 pages HighMem/MovableOnly [ 175.393708][ T9988] 341179 pages reserved [ 175.397919][ T9988] 0 pages cma reserved [ 175.401993][ T9988] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9977,uid=0 [ 175.416829][ T9988] Out of memory: Killed process 9977 (syz-executor862) total-vm:17980kB, anon-rss:16960kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 175.443934][ T1065] oom_reaper: reaped process 9977 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program executing program executing program executing program [ 176.523055][ T9996] syz-executor862 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 176.536191][ T9996] CPU: 0 PID: 9996 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 176.545384][ T9996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.555607][ T9996] Call Trace: [ 176.559137][ T9996] dump_stack+0x172/0x1f0 [ 176.563644][ T9996] dump_header+0x177/0x1152 [ 176.568144][ T9996] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 176.574062][ T9996] ? ___ratelimit+0x2c8/0x595 [ 176.578775][ T9996] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 176.584576][ T9996] ? lockdep_hardirqs_on+0x418/0x5d0 [ 176.589849][ T9996] ? trace_hardirqs_on+0x67/0x240 [ 176.594929][ T9996] ? pagefault_out_of_memory+0x11c/0x11c [ 176.600554][ T9996] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 176.606346][ T9996] ? ___ratelimit+0x60/0x595 [ 176.610924][ T9996] ? do_raw_spin_unlock+0x57/0x270 [ 176.616029][ T9996] oom_kill_process.cold+0x10/0x15 [ 176.621130][ T9996] out_of_memory+0x334/0x1340 [ 176.625800][ T9996] ? oom_killer_disable+0x280/0x280 [ 176.630989][ T9996] ? mutex_trylock+0x252/0x2d0 [ 176.636113][ T9996] ? __alloc_pages_slowpath+0xb84/0x2540 [ 176.641736][ T9996] __alloc_pages_slowpath+0x1df9/0x2540 [ 176.647367][ T9996] ? warn_alloc+0x110/0x110 [ 176.651865][ T9996] ? __might_sleep+0x95/0x190 [ 176.656534][ T9996] __alloc_pages_nodemask+0x63a/0x900 [ 176.661967][ T9996] ? __alloc_pages_slowpath+0x2540/0x2540 [ 176.667779][ T9996] ? mark_lock+0xc2/0x1220 [ 176.672189][ T9996] ? pmd_val+0x85/0x100 [ 176.676527][ T9996] ? add_mm_counter_fast.part.0+0x40/0x40 [ 176.682241][ T9996] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 176.688783][ T9996] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 176.695029][ T9996] alloc_pages_vma+0x1bc/0x3f0 [ 176.699797][ T9996] __handle_mm_fault+0x1de2/0x3f20 [ 176.705168][ T9996] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 176.710897][ T9996] ? __kasan_check_read+0x11/0x20 [ 176.716194][ T9996] handle_mm_fault+0x1b5/0x6c0 [ 176.721065][ T9996] __get_user_pages+0x7d4/0x1b30 [ 176.726475][ T9996] ? mark_held_locks+0xf0/0xf0 [ 176.731395][ T9996] ? follow_page_mask+0x1cf0/0x1cf0 [ 176.736584][ T9996] ? __mm_populate+0x270/0x380 [ 176.741520][ T9996] ? __kasan_check_write+0x14/0x20 [ 176.746924][ T9996] ? down_read+0x109/0x430 [ 176.751646][ T9996] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 176.757480][ T9996] populate_vma_page_range+0x20d/0x2a0 [ 176.762931][ T9996] __mm_populate+0x204/0x380 [ 176.767520][ T9996] ? populate_vma_page_range+0x2a0/0x2a0 [ 176.773513][ T9996] ? __kasan_check_write+0x14/0x20 [ 176.778623][ T9996] ? up_write+0x155/0x490 [ 176.782943][ T9996] ? ns_capable_common+0x93/0x100 [ 176.788236][ T9996] __x64_sys_mlockall+0x473/0x520 [ 176.793392][ T9996] do_syscall_64+0xfa/0x760 [ 176.797931][ T9996] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.803806][ T9996] RIP: 0033:0x4466d9 [ 176.807689][ T9996] Code: e8 5c b3 02 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 176.827488][ T9996] RSP: 002b:00007f872d192db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 176.835913][ T9996] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004466d9 [ 176.844019][ T9996] RDX: 00000000004466d9 RSI: 0000000000000000 RDI: 0000000000000001 [ 176.852081][ T9996] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 176.860163][ T9996] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 176.868145][ T9996] R13: 00007ffdda08980f R14: 00007f872d1939c0 R15: 20c49ba5e353f7cf [ 176.876512][ T9996] Mem-Info: [ 176.879875][ T9996] active_anon:2669 inactive_anon:1421495 isolated_anon:0 [ 176.879875][ T9996] active_file:18 inactive_file:18 isolated_file:0 [ 176.879875][ T9996] unevictable:1833 dirty:0 writeback:0 unstable:0 [ 176.879875][ T9996] slab_reclaimable:15412 slab_unreclaimable:106114 [ 176.879875][ T9996] mapped:204 shmem:245 pagetables:5032 bounce:0 [ 176.879875][ T9996] free:24993 free_pcp:804 free_cma:0 [ 176.918463][ T9996] Node 0 active_anon:8028kB inactive_anon:2095388kB active_file:20kB inactive_file:20kB unevictable:6060kB isolated(anon):0kB isolated(file):0kB mapped:584kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2002944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 176.947206][ T9996] Node 1 active_anon:2652kB inactive_anon:3590592kB active_file:32kB inactive_file:28kB unevictable:1440kB isolated(anon):0kB isolated(file):0kB mapped:296kB dirty:0kB writeback:0kB shmem:8kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 176.975143][ T9996] Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 177.002324][ T9996] lowmem_reserve[]: 0 2547 2548 2548 [ 177.007660][ T9996] Node 0 DMA32 free:36072kB min:36184kB low:45228kB high:54272kB active_anon:7988kB inactive_anon:2089356kB active_file:16kB inactive_file:20kB unevictable:6060kB writepending:0kB present:3129332kB managed:2611876kB mlocked:6060kB kernel_stack:9856kB pagetables:8064kB bounce:0kB free_pcp:2172kB local_pcp:1348kB free_cma:0kB [ 177.038270][ T9996] lowmem_reserve[]: 0 0 1 1 [ 177.042946][ T9996] Node 0 Normal free:4kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:716kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 177.070504][ T9996] lowmem_reserve[]: 0 0 0 0 [ 177.075012][ T9996] Node 1 Normal free:53596kB min:53684kB low:67104kB high:80524kB active_anon:2652kB inactive_anon:3590592kB active_file:32kB inactive_file:28kB unevictable:1440kB writepending:0kB present:3932160kB managed:3870244kB mlocked:1440kB kernel_stack:6944kB pagetables:12076kB bounce:0kB free_pcp:1044kB local_pcp:248kB free_cma:0kB [ 177.105546][ T9996] lowmem_reserve[]: 0 0 0 0 [ 177.110168][ T9996] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10300kB [ 177.126579][ T9996] Node 0 DMA32: 0*4kB 665*8kB (U) 1510*16kB (UE) 206*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36072kB [ 177.140391][ T9996] Node 0 Normal: 1*4kB (E) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB [ 177.152399][ T9996] Node 1 Normal: 3*4kB (UME) 0*8kB 1*16kB (M) 10*32kB (ME) 22*64kB (UME) 7*128kB (M) 5*256kB (UM) 3*512kB (ME) 3*1024kB (UM) 2*2048kB (ME) 10*4096kB (M) = 53596kB [ 177.168856][ T9996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 177.178539][ T9996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 177.188212][ T9996] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 177.197807][ T9996] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 177.207126][ T9996] 488 total pagecache pages [ 177.211629][ T9996] 0 pages in swap cache [ 177.215782][ T9996] Swap cache stats: add 0, delete 0, find 0/0 [ 177.222038][ T9996] Free swap = 0kB [ 177.226057][ T9996] Total swap = 0kB [ 177.229822][ T9996] 1965979 pages RAM [ 177.233634][ T9996] 0 pages HighMem/MovableOnly [ 177.238328][ T9996] 341179 pages reserved [ 177.242468][ T9996] 0 pages cma reserved [ 177.246540][ T9996] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9990,uid=0 [ 177.260886][ T9996] Out of memory: Killed process 9990 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 177.320133][ T1065] oom_reaper: reaped process 9990 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 178.130932][ T9996] syz-executor862 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 178.144276][ T9996] CPU: 0 PID: 9996 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 178.153749][ T9996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.163814][ T9996] Call Trace: [ 178.167204][ T9996] dump_stack+0x172/0x1f0 [ 178.171553][ T9996] dump_header+0x177/0x1152 [ 178.176074][ T9996] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 178.181904][ T9996] ? ___ratelimit+0x2c8/0x595 [ 178.186605][ T9996] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 178.192540][ T9996] ? lockdep_hardirqs_on+0x418/0x5d0 [ 178.197849][ T9996] ? trace_hardirqs_on+0x67/0x240 [ 178.202889][ T9996] ? pagefault_out_of_memory+0x11c/0x11c [ 178.208542][ T9996] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 178.214368][ T9996] ? ___ratelimit+0x60/0x595 [ 178.218978][ T9996] ? do_raw_spin_unlock+0x57/0x270 [ 178.224194][ T9996] oom_kill_process.cold+0x10/0x15 [ 178.229326][ T9996] out_of_memory+0x334/0x1340 [ 178.234026][ T9996] ? oom_killer_disable+0x280/0x280 [ 178.239247][ T9996] ? mutex_trylock+0x252/0x2d0 [ 178.244145][ T9996] ? __alloc_pages_slowpath+0xb84/0x2540 [ 178.249798][ T9996] __alloc_pages_slowpath+0x1df9/0x2540 [ 178.255379][ T9996] ? warn_alloc+0x110/0x110 [ 178.259916][ T9996] ? __might_sleep+0x95/0x190 [ 178.264848][ T9996] __alloc_pages_nodemask+0x63a/0x900 [ 178.270246][ T9996] ? __alloc_pages_slowpath+0x2540/0x2540 [ 178.275993][ T9996] ? mark_lock+0xc2/0x1220 [ 178.280427][ T9996] ? pmd_val+0x85/0x100 [ 178.284602][ T9996] ? add_mm_counter_fast.part.0+0x40/0x40 [ 178.290439][ T9996] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 178.296970][ T9996] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 178.303396][ T9996] alloc_pages_vma+0x1bc/0x3f0 [ 178.308196][ T9996] __handle_mm_fault+0x1de2/0x3f20 [ 178.313331][ T9996] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 178.319124][ T9996] ? __kasan_check_read+0x11/0x20 [ 178.324175][ T9996] handle_mm_fault+0x1b5/0x6c0 [ 178.328956][ T9996] __get_user_pages+0x7d4/0x1b30 [ 178.333915][ T9996] ? mark_held_locks+0xf0/0xf0 [ 178.338716][ T9996] ? follow_page_mask+0x1cf0/0x1cf0 [ 178.344035][ T9996] ? __mm_populate+0x270/0x380 [ 178.348832][ T9996] ? __kasan_check_write+0x14/0x20 [ 178.353959][ T9996] ? down_read+0x109/0x430 [ 178.358388][ T9996] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 178.364131][ T9996] populate_vma_page_range+0x20d/0x2a0 [ 178.369806][ T9996] __mm_populate+0x204/0x380 [ 178.374420][ T9996] ? populate_vma_page_range+0x2a0/0x2a0 [ 178.380179][ T9996] ? __kasan_check_write+0x14/0x20 [ 178.385465][ T9996] ? up_write+0x155/0x490 [ 178.389815][ T9996] ? ns_capable_common+0x93/0x100 [ 178.395297][ T9996] __x64_sys_mlockall+0x473/0x520 [ 178.400431][ T9996] do_syscall_64+0xfa/0x760 [ 178.404951][ T9996] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.410948][ T9996] RIP: 0033:0x4466d9 [ 178.414857][ T9996] Code: e8 5c b3 02 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 178.434682][ T9996] RSP: 002b:00007f872d192db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 178.443207][ T9996] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004466d9 [ 178.451289][ T9996] RDX: 00000000004466d9 RSI: 0000000000000000 RDI: 0000000000000001 [ 178.459274][ T9996] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 178.467488][ T9996] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 178.475485][ T9996] R13: 00007ffdda08980f R14: 00007f872d1939c0 R15: 20c49ba5e353f7cf [ 178.497516][ T9996] Mem-Info: [ 178.504843][ T9996] active_anon:2671 inactive_anon:1417289 isolated_anon:0 [ 178.504843][ T9996] active_file:32 inactive_file:14 isolated_file:0 [ 178.504843][ T9996] unevictable:3786 dirty:0 writeback:0 unstable:0 [ 178.504843][ T9996] slab_reclaimable:15418 slab_unreclaimable:106024 [ 178.504843][ T9996] mapped:220 shmem:245 pagetables:5024 bounce:0 [ 178.504843][ T9996] free:27369 free_pcp:789 free_cma:0 [ 178.544346][ T9996] Node 0 active_anon:8024kB inactive_anon:2082936kB active_file:28kB inactive_file:116kB unevictable:10888kB isolated(anon):0kB isolated(file):0kB mapped:600kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2002944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 178.574184][ T9996] Node 1 active_anon:2660kB inactive_anon:3586220kB active_file:16kB inactive_file:20kB unevictable:4308kB isolated(anon):0kB isolated(file):0kB mapped:296kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 178.602460][ T9996] Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 178.664264][ T9996] lowmem_reserve[]: 0 2547 2548 2548 [ 178.675391][ T9996] Node 0 DMA32 free:46240kB min:36184kB low:45228kB high:54272kB active_anon:7980kB inactive_anon:2076908kB active_file:44kB inactive_file:240kB unevictable:10888kB writepending:0kB present:3129332kB managed:2611876kB mlocked:10888kB kernel_stack:9856kB pagetables:8076kB bounce:0kB free_pcp:1424kB local_pcp:832kB free_cma:0kB [ 178.706812][ T9996] lowmem_reserve[]: 0 0 1 1 [ 178.719190][ T9996] Node 0 Normal free:4kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:716kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 178.747217][ T9996] lowmem_reserve[]: 0 0 0 0 [ 178.752217][ T9996] Node 1 Normal free:54388kB min:53684kB low:67104kB high:80524kB active_anon:2656kB inactive_anon:3586220kB active_file:16kB inactive_file:20kB unevictable:4308kB writepending:0kB present:3932160kB managed:3870244kB mlocked:4308kB kernel_stack:6912kB pagetables:12020kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 178.782926][ T9996] lowmem_reserve[]: 0 0 0 0 [ 178.787686][ T9996] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10300kB [ 178.805039][ T9996] Node 0 DMA32: 159*4kB (U) 1836*8kB (U) 1549*16kB (UE) 217*32kB (UE) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 47116kB [ 178.819781][ T9996] Node 0 Normal: 1*4kB (E) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB [ 178.831853][ T9996] Node 1 Normal: 15*4kB (UME) 52*8kB (UM) 31*16kB (UME) 35*32kB (UME) 25*64kB (UME) 11*128kB (UM) 5*256kB (UM) 4*512kB (UME) 3*1024kB (UM) 3*2048kB (UME) 9*4096kB (M) = 54508kB [ 178.850168][ T9996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 178.860297][ T9996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 178.869819][ T9996] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 178.879545][ T9996] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 178.889039][ T9996] 692 total pagecache pages [ 178.893824][ T9996] 0 pages in swap cache [ 178.898362][ T9996] Swap cache stats: add 0, delete 0, find 0/0 [ 178.905347][ T9996] Free swap = 0kB [ 178.910449][ T9996] Total swap = 0kB [ 178.914733][ T9996] 1965979 pages RAM [ 178.918609][ T9996] 0 pages HighMem/MovableOnly [ 178.928196][ T9996] 341179 pages reserved [ 178.934511][ T9996] 0 pages cma reserved [ 178.939460][ T9996] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9948,uid=0 [ 178.960559][ T9996] Out of memory: Killed process 9948 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 178.996522][ T1065] oom_reaper: reaped process 9948 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program [ 179.368252][T10000] syz-executor862 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 179.383490][T10000] CPU: 1 PID: 10000 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 179.393247][T10000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.403415][T10000] Call Trace: [ 179.406711][T10000] dump_stack+0x172/0x1f0 [ 179.411128][T10000] dump_header+0x177/0x1152 [ 179.415734][T10000] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 179.421603][T10000] ? ___ratelimit+0x2c8/0x595 [ 179.426275][T10000] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 179.432400][T10000] ? lockdep_hardirqs_on+0x418/0x5d0 [ 179.437763][T10000] ? trace_hardirqs_on+0x67/0x240 [ 179.442790][T10000] ? pagefault_out_of_memory+0x11c/0x11c [ 179.448436][T10000] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 179.454244][T10000] ? ___ratelimit+0x60/0x595 [ 179.458924][T10000] ? do_raw_spin_unlock+0x57/0x270 [ 179.464173][T10000] oom_kill_process.cold+0x10/0x15 [ 179.469300][T10000] out_of_memory+0x334/0x1340 [ 179.473977][T10000] ? oom_killer_disable+0x280/0x280 [ 179.479335][T10000] ? mutex_trylock+0x252/0x2d0 [ 179.484090][T10000] ? __alloc_pages_slowpath+0xb84/0x2540 [ 179.489722][T10000] __alloc_pages_slowpath+0x1df9/0x2540 [ 179.495274][T10000] ? warn_alloc+0x110/0x110 [ 179.499951][T10000] ? __might_sleep+0x95/0x190 [ 179.505170][T10000] __alloc_pages_nodemask+0x63a/0x900 [ 179.510631][T10000] ? __alloc_pages_slowpath+0x2540/0x2540 [ 179.516353][T10000] ? mark_lock+0xc2/0x1220 [ 179.520904][T10000] ? pmd_val+0x85/0x100 [ 179.525187][T10000] ? add_mm_counter_fast.part.0+0x40/0x40 [ 179.530987][T10000] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 179.537235][T10000] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 179.543535][T10000] alloc_pages_vma+0x1bc/0x3f0 [ 179.548340][T10000] __handle_mm_fault+0x1de2/0x3f20 [ 179.553599][T10000] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 179.559211][T10000] ? __kasan_check_read+0x11/0x20 [ 179.564242][T10000] handle_mm_fault+0x1b5/0x6c0 [ 179.569015][T10000] __get_user_pages+0x7d4/0x1b30 [ 179.573951][T10000] ? mark_held_locks+0xf0/0xf0 [ 179.578763][T10000] ? follow_page_mask+0x1cf0/0x1cf0 [ 179.584278][T10000] ? __mm_populate+0x270/0x380 [ 179.589173][T10000] ? __kasan_check_write+0x14/0x20 [ 179.594426][T10000] ? down_read+0x109/0x430 [ 179.598846][T10000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 179.605369][T10000] populate_vma_page_range+0x20d/0x2a0 [ 179.610989][T10000] __mm_populate+0x204/0x380 [ 179.615641][T10000] ? populate_vma_page_range+0x2a0/0x2a0 [ 179.621383][T10000] ? __kasan_check_write+0x14/0x20 [ 179.626484][T10000] ? up_write+0x155/0x490 [ 179.630816][T10000] ? ns_capable_common+0x93/0x100 [ 179.635837][T10000] __x64_sys_mlockall+0x473/0x520 [ 179.640977][T10000] do_syscall_64+0xfa/0x760 [ 179.645535][T10000] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 179.651419][T10000] RIP: 0033:0x4466d9 [ 179.655310][T10000] Code: e8 5c b3 02 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 179.674927][T10000] RSP: 002b:00007f872d192db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 179.683464][T10000] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004466d9 [ 179.691470][T10000] RDX: 00000000004466d9 RSI: 00000000004466d9 RDI: 0000000000000001 [ 179.699568][T10000] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 179.707810][T10000] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 179.715826][T10000] R13: 00007ffdda08980f R14: 00007f872d1939c0 R15: 20c49ba5e353f7cf [ 179.725490][T10000] Mem-Info: [ 179.728708][T10000] active_anon:2668 inactive_anon:1417291 isolated_anon:0 [ 179.728708][T10000] active_file:12 inactive_file:13 isolated_file:0 [ 179.728708][T10000] unevictable:3643 dirty:0 writeback:0 unstable:0 [ 179.728708][T10000] slab_reclaimable:15435 slab_unreclaimable:106115 [ 179.728708][T10000] mapped:220 shmem:245 pagetables:5024 bounce:0 [ 179.728708][T10000] free:27289 free_pcp:1005 free_cma:0 [ 179.767765][T10000] Node 0 active_anon:8036kB inactive_anon:2079224kB active_file:32kB inactive_file:32kB unevictable:14276kB isolated(anon):0kB isolated(file):0kB mapped:584kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2000896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 179.796431][T10000] Node 1 active_anon:2636kB inactive_anon:3589940kB active_file:16kB inactive_file:20kB unevictable:296kB isolated(anon):0kB isolated(file):0kB mapped:296kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 179.825165][T10000] Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 179.853033][T10000] lowmem_reserve[]: 0 2547 2548 2548 [ 179.858525][T10000] Node 0 DMA32 free:45604kB min:117592kB low:126636kB high:135680kB active_anon:7996kB inactive_anon:2073200kB active_file:28kB inactive_file:32kB unevictable:14276kB writepending:0kB present:3129332kB managed:2611876kB mlocked:14276kB kernel_stack:9888kB pagetables:8088kB bounce:0kB free_pcp:2148kB local_pcp:796kB free_cma:0kB [ 179.889617][T10000] lowmem_reserve[]: 0 0 1 1 [ 179.894333][T10000] Node 0 Normal free:12kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:708kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 179.922089][T10000] lowmem_reserve[]: 0 0 0 0 [ 179.926710][T10000] Node 1 Normal free:53240kB min:53684kB low:67104kB high:80524kB active_anon:2636kB inactive_anon:3589940kB active_file:16kB inactive_file:20kB unevictable:296kB writepending:0kB present:3932160kB managed:3870244kB mlocked:296kB kernel_stack:6880kB pagetables:12008kB bounce:0kB free_pcp:1872kB local_pcp:556kB free_cma:0kB [ 179.957524][T10000] lowmem_reserve[]: 0 0 0 0 [ 179.962225][T10000] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10300kB [ 179.978915][T10000] Node 0 DMA32: 75*4kB (U) 1691*8kB (UE) 1548*16kB (UE) 221*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 45668kB [ 179.993238][T10000] Node 0 Normal: 3*4kB (UE) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12kB [ 180.005334][T10000] Node 1 Normal: 4*4kB (UME) 3*8kB (M) 9*16kB (UME) 28*32kB (UME) 25*64kB (UME) 11*128kB (UM) 4*256kB (M) 4*512kB (UME) 3*1024kB (UM) 3*2048kB (UME) 9*4096kB (M) = 53240kB [ 180.022564][T10000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 180.032138][T10000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 180.041588][T10000] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 180.051163][T10000] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 180.060769][T10000] 488 total pagecache pages [ 180.065443][T10000] 0 pages in swap cache [ 180.069629][T10000] Swap cache stats: add 0, delete 0, find 0/0 [ 180.075803][T10000] Free swap = 0kB [ 180.079556][T10000] Total swap = 0kB [ 180.083266][T10000] 1965979 pages RAM [ 180.087184][T10000] 0 pages HighMem/MovableOnly [ 180.092096][T10000] 341179 pages reserved [ 180.096249][T10000] 0 pages cma reserved [ 180.100373][T10000] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9998,uid=0 [ 180.115707][T10000] Out of memory: Killed process 9998 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 180.137657][ T1065] oom_reaper: reaped process 9998 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program [ 182.973673][T10013] syz-executor862 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 182.986067][T10013] CPU: 1 PID: 10013 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 182.995242][T10013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.005288][T10013] Call Trace: [ 183.008565][T10013] dump_stack+0x172/0x1f0 [ 183.012885][T10013] dump_header+0x177/0x1152 [ 183.017393][T10013] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 183.023174][T10013] ? ___ratelimit+0x2c8/0x595 [ 183.027830][T10013] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 183.033623][T10013] ? lockdep_hardirqs_on+0x418/0x5d0 [ 183.038894][T10013] ? trace_hardirqs_on+0x67/0x240 [ 183.044042][T10013] ? pagefault_out_of_memory+0x11c/0x11c [ 183.049782][T10013] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 183.055569][T10013] ? ___ratelimit+0x60/0x595 [ 183.060140][T10013] ? do_raw_spin_unlock+0x57/0x270 [ 183.065272][T10013] oom_kill_process.cold+0x10/0x15 [ 183.070377][T10013] out_of_memory+0x334/0x1340 [ 183.075055][T10013] ? oom_killer_disable+0x280/0x280 [ 183.080237][T10013] ? mutex_trylock+0x252/0x2d0 [ 183.085022][T10013] ? __alloc_pages_slowpath+0xb84/0x2540 [ 183.090684][T10013] __alloc_pages_slowpath+0x1df9/0x2540 [ 183.096220][T10013] ? warn_alloc+0x110/0x110 [ 183.100713][T10013] ? __might_sleep+0x95/0x190 [ 183.105374][T10013] __alloc_pages_nodemask+0x63a/0x900 [ 183.110729][T10013] ? __alloc_pages_slowpath+0x2540/0x2540 [ 183.116431][T10013] ? mark_lock+0xc2/0x1220 [ 183.120824][T10013] ? pmd_val+0x85/0x100 [ 183.124957][T10013] ? add_mm_counter_fast.part.0+0x40/0x40 [ 183.130660][T10013] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 183.136884][T10013] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 183.143111][T10013] alloc_pages_vma+0x1bc/0x3f0 [ 183.147975][T10013] __handle_mm_fault+0x1de2/0x3f20 [ 183.153083][T10013] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 183.158616][T10013] ? __kasan_check_read+0x11/0x20 [ 183.163649][T10013] handle_mm_fault+0x1b5/0x6c0 [ 183.168428][T10013] __get_user_pages+0x7d4/0x1b30 [ 183.173373][T10013] ? mark_held_locks+0xf0/0xf0 [ 183.178124][T10013] ? follow_page_mask+0x1cf0/0x1cf0 [ 183.183308][T10013] ? __mm_populate+0x270/0x380 [ 183.188070][T10013] ? __kasan_check_write+0x14/0x20 [ 183.193180][T10013] ? down_read+0x109/0x430 [ 183.197578][T10013] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 183.203278][T10013] populate_vma_page_range+0x20d/0x2a0 [ 183.208732][T10013] __mm_populate+0x204/0x380 [ 183.213329][T10013] ? populate_vma_page_range+0x2a0/0x2a0 [ 183.218955][T10013] ? __kasan_check_write+0x14/0x20 [ 183.224045][T10013] ? up_write+0x155/0x490 [ 183.228375][T10013] ? ns_capable_common+0x93/0x100 [ 183.233407][T10013] __x64_sys_mlockall+0x473/0x520 [ 183.238435][T10013] do_syscall_64+0xfa/0x760 [ 183.242921][T10013] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 183.248799][T10013] RIP: 0033:0x4466d9 [ 183.252690][T10013] Code: e8 5c b3 02 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 183.272285][T10013] RSP: 002b:00007f872d171db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 183.280675][T10013] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 00000000004466d9 [ 183.288632][T10013] RDX: 0000000000402714 RSI: 0b65b160d8c70a57 RDI: 0000000000000001 [ 183.296617][T10013] RBP: 00000000006dbc30 R08: 00007f872d172700 R09: 0000000000000000 [ 183.304576][T10013] R10: 00007f872d172700 R11: 0000000000000246 R12: 00000000006dbc3c [ 183.312547][T10013] R13: 00007ffdda08980f R14: 00007f872d1729c0 R15: 20c49ba5e353f7cf [ 183.329814][T10013] Mem-Info: [ 183.332961][T10013] active_anon:2695 inactive_anon:1421496 isolated_anon:0 [ 183.332961][T10013] active_file:30 inactive_file:18 isolated_file:0 [ 183.332961][T10013] unevictable:450 dirty:0 writeback:0 unstable:0 [ 183.332961][T10013] slab_reclaimable:15478 slab_unreclaimable:106215 [ 183.332961][T10013] mapped:228 shmem:245 pagetables:5038 bounce:0 [ 183.332961][T10013] free:26201 free_pcp:729 free_cma:0 [ 183.371785][T10013] Node 0 active_anon:8116kB inactive_anon:2095252kB active_file:72kB inactive_file:48kB unevictable:1700kB isolated(anon):0kB isolated(file):0kB mapped:732kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2000896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 183.403057][T10013] Node 1 active_anon:2664kB inactive_anon:3590732kB active_file:56kB inactive_file:12kB unevictable:124kB isolated(anon):0kB isolated(file):0kB mapped:156kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 183.433632][T10013] Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 183.463626][T10013] lowmem_reserve[]: 0 2547 2548 2548 [ 183.471617][T10013] Node 0 DMA32 free:41212kB min:99672kB low:108716kB high:117760kB active_anon:8080kB inactive_anon:2089228kB active_file:32kB inactive_file:28kB unevictable:1568kB writepending:0kB present:3129332kB managed:2611876kB mlocked:1576kB kernel_stack:9984kB pagetables:8112kB bounce:0kB free_pcp:1784kB local_pcp:1348kB free_cma:0kB [ 183.504950][T10013] lowmem_reserve[]: 0 0 1 1 [ 183.512300][T10013] Node 0 Normal free:4kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:708kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 183.541952][T10013] lowmem_reserve[]: 0 0 0 0 [ 183.546512][T10013] Node 1 Normal free:53288kB min:53684kB low:67104kB high:80524kB active_anon:2664kB inactive_anon:3590732kB active_file:28kB inactive_file:8kB unevictable:124kB writepending:0kB present:3932160kB managed:3870244kB mlocked:124kB kernel_stack:6912kB pagetables:12064kB bounce:0kB free_pcp:1132kB local_pcp:488kB free_cma:0kB [ 183.582014][T10013] lowmem_reserve[]: 0 0 0 0 [ 183.586594][T10013] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10300kB [ 183.605501][T10013] Node 0 DMA32: 0*4kB 1090*8kB (U) 1581*16kB (UE) 230*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 41376kB [ 183.621737][T10013] Node 0 Normal: 1*4kB (U) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB [ 183.633542][T10013] Node 1 Normal: 1*4kB (E) 1*8kB (U) 2*16kB (UE) 2*32kB (ME) 27*64kB (UME) 16*128kB (UM) 4*256kB (M) 4*512kB (UME) 3*1024kB (UM) 3*2048kB (UME) 9*4096kB (M) = 53036kB [ 183.650220][T10013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 183.659807][T10013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 183.669135][T10013] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 183.678736][T10013] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 183.688057][T10013] 488 total pagecache pages [ 183.692567][T10013] 0 pages in swap cache [ 183.696741][T10013] Swap cache stats: add 0, delete 0, find 0/0 [ 183.702779][T10013] Free swap = 0kB [ 183.706485][T10013] Total swap = 0kB [ 183.710234][T10013] 1965979 pages RAM [ 183.714026][T10013] 0 pages HighMem/MovableOnly [ 183.718721][T10013] 341179 pages reserved [ 183.722865][T10013] 0 pages cma reserved [ 183.726979][T10013] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=10006,uid=0 [ 183.741402][T10013] Out of memory: Killed process 10006 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 183.763353][ T1065] oom_reaper: reaped process 10006 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 183.794903][T10012] [ 183.797255][T10012] ============================================ [ 183.803390][T10012] WARNING: possible recursive locking detected [ 183.806666][ T1065] oom_reaper: reaped process 10013 (syz-executor862), now anon-rss:1100kB, file-rss:872kB, shmem-rss:0kB [ 183.809525][T10012] 5.3.0-rc6-next-20190830 #75 Not tainted [ 183.826385][T10012] -------------------------------------------- [ 183.832542][T10012] syz-executor862/10012 is trying to acquire lock: [ 183.839026][T10012] ffffffff8904ff60 (mmu_notifier_invalidate_range_start){+.+.}, at: __mmu_notifier_invalidate_range_end+0x0/0x360 [ 183.851022][T10012] [ 183.851022][T10012] but task is already holding lock: [ 183.858362][T10012] ffffffff8904ff60 (mmu_notifier_invalidate_range_start){+.+.}, at: __oom_reap_task_mm+0x196/0x490 [ 183.869018][T10012] [ 183.869018][T10012] other info that might help us debug this: [ 183.877116][T10012] Possible unsafe locking scenario: [ 183.877116][T10012] [ 183.884545][T10012] CPU0 [ 183.887809][T10012] ---- [ 183.891060][T10012] lock(mmu_notifier_invalidate_range_start); [ 183.897200][T10012] lock(mmu_notifier_invalidate_range_start); [ 183.903329][T10012] [ 183.903329][T10012] *** DEADLOCK *** [ 183.903329][T10012] [ 183.911626][T10012] May be due to missing lock nesting notation [ 183.911626][T10012] [ 183.919961][T10012] 1 lock held by syz-executor862/10012: [ 183.925508][T10012] #0: ffffffff8904ff60 (mmu_notifier_invalidate_range_start){+.+.}, at: __oom_reap_task_mm+0x196/0x490 [ 183.936614][T10012] [ 183.936614][T10012] stack backtrace: [ 183.942490][T10012] CPU: 1 PID: 10012 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 183.951663][T10012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.961687][T10012] Call Trace: [ 183.964955][T10012] dump_stack+0x172/0x1f0 [ 183.969263][T10012] __lock_acquire.cold+0x15d/0x385 [ 183.974362][T10012] ? mark_held_locks+0xf0/0xf0 [ 183.979112][T10012] ? unmap_page_range+0x1df4/0x2380 [ 183.984284][T10012] lock_acquire+0x190/0x410 [ 183.988763][T10012] ? __mmu_notifier_invalidate_range_start+0x210/0x210 [ 183.995597][T10012] __mmu_notifier_invalidate_range_end+0x3c/0x360 [ 184.001987][T10012] ? __mmu_notifier_invalidate_range_start+0x210/0x210 [ 184.008808][T10012] ? __mmu_notifier_invalidate_range_start+0x1a5/0x210 [ 184.015656][T10012] __oom_reap_task_mm+0x3fa/0x490 [ 184.020655][T10012] ? process_shares_mm+0x130/0x130 [ 184.025754][T10012] ? rcu_gp_is_expedited+0x70/0x70 [ 184.030908][T10012] ? synchronize_srcu+0x239/0x3e8 [ 184.036088][T10012] ? __mmu_notifier_release+0x217/0x3c0 [ 184.041614][T10012] exit_mmap+0x42c/0x530 [ 184.045848][T10012] ? __ia32_sys_munmap+0x80/0x80 [ 184.050770][T10012] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 184.056307][T10012] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 184.062280][T10012] ? trace_hardirqs_on+0x67/0x240 [ 184.067288][T10012] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 184.073503][T10012] ? __khugepaged_exit+0xcf/0x410 [ 184.078505][T10012] mmput+0x179/0x4d0 [ 184.082378][T10012] do_exit+0x823/0x2e60 [ 184.086509][T10012] ? find_held_lock+0x35/0x130 [ 184.091249][T10012] ? mm_update_next_owner+0x640/0x640 [ 184.096599][T10012] ? lock_downgrade+0x920/0x920 [ 184.101433][T10012] ? _raw_spin_unlock_irq+0x28/0x90 [ 184.106610][T10012] ? get_signal+0x392/0x2500 [ 184.111181][T10012] ? _raw_spin_unlock_irq+0x28/0x90 [ 184.116349][T10012] do_group_exit+0x135/0x360 [ 184.120914][T10012] get_signal+0x47c/0x2500 [ 184.125312][T10012] ? __do_page_fault+0x56a/0xdd0 [ 184.130237][T10012] do_signal+0x87/0x1700 [ 184.134455][T10012] ? setup_sigcontext+0x7d0/0x7d0 [ 184.139457][T10012] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 184.145680][T10012] ? exit_to_usermode_loop+0x43/0x380 [ 184.151035][T10012] ? do_syscall_64+0x65f/0x760 [ 184.155772][T10012] ? exit_to_usermode_loop+0x43/0x380 [ 184.161118][T10012] ? lockdep_hardirqs_on+0x418/0x5d0 [ 184.166387][T10012] ? trace_hardirqs_on+0x67/0x240 [ 184.171386][T10012] exit_to_usermode_loop+0x286/0x380 [ 184.176651][T10012] do_syscall_64+0x65f/0x760 [ 184.181223][T10012] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 184.187086][T10012] RIP: 0033:0x4466d9 [ 184.190963][T10012] Code: Bad RIP value. [ 184.195000][T10012] RSP: 002b:00007f872d192db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 184.203385][T10012] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 00000000004466d9 [ 184.211338][T10012] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 184.219297][T10012] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 184.227244][T10012] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 184.235188][T10012] R13: 00007ffdda08980f R14: 00007f872d1939c0 R15: 20c49ba5e353f7cf [ 184.282290][T10016] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 184.289710][T10016] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 184.349144][T10016] syz-executor862 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 184.361803][T10016] CPU: 1 PID: 10016 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 184.371043][T10016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.381087][T10016] Call Trace: [ 184.384364][T10016] dump_stack+0x172/0x1f0 [ 184.388672][T10016] dump_header+0x177/0x1152 [ 184.393157][T10016] ? ___ratelimit+0xf8/0x595 [ 184.397734][T10016] ? trace_hardirqs_on+0x67/0x240 [ 184.402736][T10016] ? pagefault_out_of_memory+0x11c/0x11c [ 184.408345][T10016] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 184.414132][T10016] ? ___ratelimit+0x60/0x595 [ 184.418715][T10016] ? do_raw_spin_unlock+0x57/0x270 [ 184.423862][T10016] oom_kill_process.cold+0x10/0x15 [ 184.428952][T10016] out_of_memory+0x334/0x1340 [ 184.433652][T10016] ? oom_killer_disable+0x280/0x280 [ 184.438844][T10016] ? mutex_trylock+0x252/0x2d0 [ 184.443686][T10016] ? __alloc_pages_slowpath+0xb84/0x2540 [ 184.449306][T10016] __alloc_pages_slowpath+0x1df9/0x2540 [ 184.454832][T10016] ? warn_alloc+0x110/0x110 [ 184.459319][T10016] ? __might_sleep+0x95/0x190 [ 184.463991][T10016] __alloc_pages_nodemask+0x63a/0x900 [ 184.469453][T10016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 184.475672][T10016] ? __alloc_pages_slowpath+0x2540/0x2540 [ 184.481390][T10016] ? release_pages+0xd9a/0x1a50 [ 184.486220][T10016] ? lock_downgrade+0x920/0x920 [ 184.491052][T10016] ? pmd_val+0x85/0x100 [ 184.495205][T10016] ? add_mm_counter_fast.part.0+0x40/0x40 [ 184.500961][T10016] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 184.507274][T10016] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 184.513558][T10016] alloc_pages_vma+0x1bc/0x3f0 [ 184.518324][T10016] __handle_mm_fault+0x1de2/0x3f20 [ 184.523500][T10016] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 184.529060][T10016] ? __kasan_check_read+0x11/0x20 [ 184.534193][T10016] ? do_raw_spin_unlock+0x57/0x270 [ 184.539291][T10016] ? trace_hardirqs_on+0x67/0x240 [ 184.544299][T10016] handle_mm_fault+0x1b5/0x6c0 [ 184.549119][T10016] __get_user_pages+0x7d4/0x1b30 [ 184.554038][T10016] ? mark_held_locks+0xf0/0xf0 [ 184.558796][T10016] ? follow_page_mask+0x1cf0/0x1cf0 [ 184.563987][T10016] ? __mm_populate+0x270/0x380 [ 184.568728][T10016] ? __kasan_check_write+0x14/0x20 [ 184.573818][T10016] ? down_read+0x109/0x430 [ 184.578222][T10016] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 184.583933][T10016] populate_vma_page_range+0x20d/0x2a0 [ 184.589370][T10016] __mm_populate+0x204/0x380 [ 184.593935][T10016] ? populate_vma_page_range+0x2a0/0x2a0 [ 184.599545][T10016] ? __kasan_check_write+0x14/0x20 [ 184.604636][T10016] ? up_write+0x155/0x490 [ 184.608961][T10016] ? ns_capable_common+0x93/0x100 [ 184.614036][T10016] __x64_sys_mlockall+0x473/0x520 [ 184.619094][T10016] do_syscall_64+0xfa/0x760 [ 184.623577][T10016] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 184.629481][T10016] RIP: 0033:0x4466d9 [ 184.633353][T10016] Code: e8 5c b3 02 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 184.652938][T10016] RSP: 002b:00007f872d192db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 184.661346][T10016] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004466d9 [ 184.669383][T10016] RDX: 00000000004466d9 RSI: 0000000000000000 RDI: 0000000000000001 [ 184.677339][T10016] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 184.685303][T10016] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 184.693252][T10016] R13: 00007ffdda08980f R14: 00007f872d1939c0 R15: 20c49ba5e353f7cf [ 184.701744][T10016] Mem-Info: [ 184.705028][T10016] active_anon:2700 inactive_anon:1417290 isolated_anon:0 [ 184.705028][T10016] active_file:12 inactive_file:33 isolated_file:0 [ 184.705028][T10016] unevictable:2943 dirty:0 writeback:0 unstable:0 [ 184.705028][T10016] slab_reclaimable:15494 slab_unreclaimable:106150 [ 184.705028][T10016] mapped:220 shmem:245 pagetables:5035 bounce:0 [ 184.705028][T10016] free:28654 free_pcp:62 free_cma:0 [ 184.742562][T10016] Node 0 active_anon:8108kB inactive_anon:2080132kB active_file:32kB inactive_file:32kB unevictable:9968kB isolated(anon):0kB isolated(file):0kB mapped:880kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2000896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 184.771084][T10016] Node 1 active_anon:2692kB inactive_anon:3589028kB active_file:16kB inactive_file:0kB unevictable:1804kB 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 [ 184.802616][T10016] Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 184.830102][T10016] lowmem_reserve[]: 0 2547 2548 2548 [ 184.835395][T10016] Node 0 DMA32 free:50776kB min:117592kB low:126636kB high:135680kB active_anon:8068kB inactive_anon:2074108kB active_file:28kB inactive_file:32kB unevictable:9968kB writepending:0kB present:3129332kB managed:2611876kB mlocked:9968kB kernel_stack:9856kB pagetables:8052kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 184.865570][T10016] lowmem_reserve[]: 0 0 1 1 [ 184.870099][T10016] Node 0 Normal free:4kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:708kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 184.896984][T10016] lowmem_reserve[]: 0 0 0 0 [ 184.901492][T10016] Node 1 Normal free:53680kB min:53684kB low:67104kB high:80524kB active_anon:2692kB inactive_anon:3589028kB active_file:16kB inactive_file:0kB unevictable:1804kB writepending:0kB present:3932160kB managed:3870244kB mlocked:1804kB kernel_stack:6976kB pagetables:12088kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 184.931567][T10016] lowmem_reserve[]: 0 0 0 0 [ 184.936074][T10016] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10300kB [ 184.952224][T10016] Node 0 DMA32: 440*4kB (UM) 2001*8kB (UME) 1593*16kB (UE) 235*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 50776kB [ 184.966954][T10016] Node 0 Normal: 1*4kB (U) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB [ 184.978746][T10016] Node 1 Normal: 36*4kB (UME) 24*8kB (UM) 12*16kB (UME) 17*32kB (UME) 30*64kB (UME) 16*128kB (UM) 5*256kB (UM) 3*512kB (ME) 3*1024kB (UM) 3*2048kB (UME) 9*4096kB (M) = 53936kB [ 184.999019][T10016] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 185.008606][T10016] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 185.026652][T10016] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 185.036215][T10016] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 185.045526][T10016] 500 total pagecache pages [ 185.050067][T10016] 0 pages in swap cache [ 185.054210][T10016] Swap cache stats: add 0, delete 0, find 0/0 [ 185.070273][T10016] Free swap = 0kB [ 185.074002][T10016] Total swap = 0kB [ 185.082745][T10016] 1965979 pages RAM [ 185.086634][T10016] 0 pages HighMem/MovableOnly [ 185.091330][T10016] 341179 pages reserved [ 185.095482][T10016] 0 pages cma reserved [ 185.116771][T10016] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=10002,uid=0 [ 185.135178][T10016] Out of memory: Killed process 10002 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 185.170732][ T1065] oom_reaper: reaped process 10002 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 185.207346][ T8589] rs:main Q:Reg invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 185.216744][T10002] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 185.225269][T10002] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 185.229261][ T8589] CPU: 0 PID: 8589 Comm: rs:main Q:Reg Not tainted 5.3.0-rc6-next-20190830 #75 [ 185.243893][ T8589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.253942][ T8589] Call Trace: [ 185.257222][ T8589] dump_stack+0x172/0x1f0 [ 185.261548][ T8589] dump_header+0x177/0x1152 [ 185.266073][ T8589] ? ___ratelimit+0xf8/0x595 [ 185.270660][ T8589] ? trace_hardirqs_on+0x67/0x240 [ 185.275686][ T8589] ? pagefault_out_of_memory+0x11c/0x11c [ 185.281322][ T8589] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 185.287242][ T8589] ? ___ratelimit+0x60/0x595 [ 185.291825][ T8589] ? do_raw_spin_unlock+0x57/0x270 [ 185.296925][ T8589] oom_kill_process.cold+0x10/0x15 [ 185.302013][ T8589] out_of_memory+0x334/0x1340 [ 185.306735][ T8589] ? oom_killer_disable+0x280/0x280 [ 185.311919][ T8589] ? mutex_trylock+0x252/0x2d0 [ 185.316659][ T8589] ? __alloc_pages_slowpath+0xb84/0x2540 [ 185.322265][ T8589] __alloc_pages_slowpath+0x1df9/0x2540 [ 185.327800][ T8589] ? warn_alloc+0x110/0x110 [ 185.332285][ T8589] ? __might_sleep+0x95/0x190 [ 185.336982][ T8589] __alloc_pages_nodemask+0x63a/0x900 [ 185.342367][ T8589] ? xas_descend+0x144/0x370 [ 185.346990][ T8589] ? __alloc_pages_slowpath+0x2540/0x2540 [ 185.352730][ T8589] ? xas_load+0x67/0x150 [ 185.356961][ T8589] ? find_get_entry+0x4ab/0x7a0 [ 185.361801][ T8589] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 185.368022][ T8589] alloc_pages_current+0x107/0x210 [ 185.373114][ T8589] __page_cache_alloc+0x2a2/0x490 [ 185.378140][ T8589] pagecache_get_page+0x27e/0x900 [ 185.383155][ T8589] filemap_fault+0x901/0x2b70 [ 185.387833][ T8589] ? __kasan_check_read+0x11/0x20 [ 185.392833][ T8589] ? mark_held_locks+0xf0/0xf0 [ 185.397572][ T8589] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 185.403794][ T8589] ? lock_downgrade+0x920/0x920 [ 185.408637][ T8589] ? pagecache_get_page+0x900/0x900 [ 185.413831][ T8589] ? __kasan_check_write+0x14/0x20 [ 185.418933][ T8589] ? down_read+0x109/0x430 [ 185.423323][ T8589] ? down_read_killable+0x490/0x490 [ 185.428506][ T8589] ? find_lock_entry+0x560/0x560 [ 185.433429][ T8589] ? pmd_val+0x85/0x100 [ 185.437561][ T8589] ext4_filemap_fault+0x86/0xb2 [ 185.442387][ T8589] __do_fault+0x111/0x540 [ 185.446702][ T8589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 185.452920][ T8589] __handle_mm_fault+0x2cb8/0x3f20 [ 185.458007][ T8589] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 185.463526][ T8589] ? __kasan_check_read+0x11/0x20 [ 185.468527][ T8589] ? trace_hardirqs_on+0x67/0x240 [ 185.473530][ T8589] handle_mm_fault+0x1b5/0x6c0 [ 185.478271][ T8589] __do_page_fault+0x536/0xdd0 [ 185.483008][ T8589] ? page_fault+0x16/0x40 [ 185.487316][ T8589] do_page_fault+0x38/0x590 [ 185.491796][ T8589] page_fault+0x39/0x40 [ 185.495930][ T8589] RIP: 0033:0x40af80 [ 185.499826][ T8589] Code: Bad RIP value. [ 185.503886][ T8589] RSP: 002b:00007ff593c7dbf8 EFLAGS: 00010246 [ 185.509925][ T8589] RAX: 0000000000000000 RBX: 0000000000d7aa60 RCX: 0000000000000001 [ 185.517871][ T8589] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 [ 185.525834][ T8589] RBP: 00007ff593c7dc40 R08: 0000000000d1db80 R09: 000000000000218d [ 185.533782][ T8589] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000d0da10 [ 185.541730][ T8589] R13: 0000000000d1e120 R14: 0000000000d0da38 R15: 0000000000d0da10 [ 185.549743][ T8589] Mem-Info: [ 185.552862][ T8589] active_anon:2700 inactive_anon:1413143 isolated_anon:0 [ 185.552862][ T8589] active_file:62 inactive_file:0 isolated_file:0 [ 185.552862][ T8589] unevictable:3343 dirty:0 writeback:0 unstable:0 [ 185.552862][ T8589] slab_reclaimable:15494 slab_unreclaimable:106150 [ 185.552862][ T8589] mapped:220 shmem:245 pagetables:5035 bounce:0 [ 185.552862][ T8589] free:31562 free_pcp:986 free_cma:0 [ 185.590980][ T8589] Node 0 active_anon:8108kB inactive_anon:2066484kB active_file:60kB inactive_file:4kB unevictable:9968kB isolated(anon):0kB isolated(file):0kB mapped:880kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2000896kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 185.619447][ T8589] Node 1 active_anon:2684kB inactive_anon:3585928kB active_file:20kB inactive_file:16kB unevictable:4652kB 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 [ 185.647054][ T8589] Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 185.674147][ T8589] lowmem_reserve[]: 0 2547 2548 2548 [ 185.679461][ T8589] Node 0 DMA32 free:62400kB min:117592kB low:126636kB high:135680kB active_anon:8068kB inactive_anon:2060384kB active_file:32kB inactive_file:28kB unevictable:9968kB writepending:0kB present:3129332kB managed:2611876kB mlocked:9968kB kernel_stack:9856kB pagetables:8052kB bounce:0kB free_pcp:2332kB local_pcp:940kB free_cma:0kB [ 185.710135][ T8589] lowmem_reserve[]: 0 0 1 1 [ 185.714637][ T8589] Node 0 Normal free:4kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:708kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 185.741482][ T8589] lowmem_reserve[]: 0 0 0 0 [ 185.745993][ T8589] Node 1 Normal free:53464kB min:53684kB low:67104kB high:80524kB active_anon:2684kB inactive_anon:3585928kB active_file:20kB inactive_file:16kB unevictable:4652kB writepending:0kB present:3932160kB managed:3870244kB mlocked:4652kB kernel_stack:6944kB pagetables:12036kB bounce:0kB free_pcp:780kB local_pcp:496kB free_cma:0kB [ 185.776388][ T8589] lowmem_reserve[]: 0 0 0 0 [ 185.780919][ T8589] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10300kB [ 185.797059][ T8589] Node 0 DMA32: 1286*4kB (UM) 2186*8kB (UME) 1680*16kB (UME) 291*32kB (UME) 11*64kB (M) 1*128kB (M) 1*256kB (M) 1*512kB (M) 0*1024kB 1*2048kB (M) 0*4096kB = 62472kB [ 185.813489][ T8589] Node 0 Normal: 1*4kB (U) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB [ 185.825218][ T8589] Node 1 Normal: 8*4kB (UME) 3*8kB (U) 10*16kB (UME) 14*32kB (UME) 29*64kB (UME) 16*128kB (UM) 5*256kB (UM) 3*512kB (ME) 3*1024kB (UM) 3*2048kB (UME) 9*4096kB (M) = 53464kB [ 185.842365][ T8589] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 185.851923][ T8589] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 185.861208][ T8589] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 185.870756][ T8589] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 185.880058][ T8589] 488 total pagecache pages [ 185.884583][ T8589] 0 pages in swap cache [ 185.888749][ T8589] Swap cache stats: add 0, delete 0, find 0/0 [ 185.894797][ T8589] Free swap = 0kB [ 185.898524][ T8589] Total swap = 0kB [ 185.902293][ T8589] 1965979 pages RAM [ 185.906075][ T8589] 0 pages HighMem/MovableOnly [ 185.910747][ T8589] 341179 pages reserved [ 185.914873][ T8589] 0 pages cma reserved [ 185.918950][ T8589] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9944,uid=0 [ 185.933867][ T8589] Out of memory: Killed process 9944 (syz-executor862) 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 [ 185.965190][ T1065] oom_reaper: reaped process 9944 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 185.967521][ T3891] udevd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=-1000 [ 185.988320][ T9944] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 185.995397][ T9944] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 186.026673][ T3891] CPU: 0 PID: 3891 Comm: udevd Not tainted 5.3.0-rc6-next-20190830 #75 [ 186.034946][ T3891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 186.045245][ T3891] Call Trace: [ 186.048521][ T3891] dump_stack+0x172/0x1f0 [ 186.052830][ T3891] dump_header+0x177/0x1152 [ 186.057310][ T3891] ? ___ratelimit+0xf8/0x595 [ 186.061875][ T3891] ? trace_hardirqs_on+0x67/0x240 [ 186.066893][ T3891] ? pagefault_out_of_memory+0x11c/0x11c [ 186.072516][ T3891] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 186.078305][ T3891] ? ___ratelimit+0x60/0x595 [ 186.082876][ T3891] ? do_raw_spin_unlock+0x57/0x270 [ 186.088014][ T3891] oom_kill_process.cold+0x10/0x15 [ 186.093107][ T3891] out_of_memory+0x334/0x1340 [ 186.097764][ T3891] ? oom_killer_disable+0x280/0x280 [ 186.102940][ T3891] ? mutex_trylock+0x252/0x2d0 [ 186.107680][ T3891] ? __alloc_pages_slowpath+0xb84/0x2540 [ 186.113332][ T3891] __alloc_pages_slowpath+0x1df9/0x2540 [ 186.118858][ T3891] ? warn_alloc+0x110/0x110 [ 186.123345][ T3891] ? __might_sleep+0x95/0x190 [ 186.127994][ T3891] __alloc_pages_nodemask+0x63a/0x900 [ 186.133345][ T3891] ? xas_descend+0x144/0x370 [ 186.137910][ T3891] ? __alloc_pages_slowpath+0x2540/0x2540 [ 186.143604][ T3891] ? xas_load+0x67/0x150 [ 186.147823][ T3891] ? find_get_entry+0x4ab/0x7a0 [ 186.152656][ T3891] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 186.158886][ T3891] alloc_pages_current+0x107/0x210 [ 186.163973][ T3891] __page_cache_alloc+0x2a2/0x490 [ 186.168977][ T3891] pagecache_get_page+0x27e/0x900 [ 186.173980][ T3891] filemap_fault+0x901/0x2b70 [ 186.178629][ T3891] ? __kasan_check_read+0x11/0x20 [ 186.183629][ T3891] ? mark_held_locks+0xf0/0xf0 [ 186.188368][ T3891] ? page_add_file_rmap+0x56e/0xd60 [ 186.193553][ T3891] ? lock_downgrade+0x920/0x920 [ 186.198396][ T3891] ? pagecache_get_page+0x900/0x900 [ 186.203658][ T3891] ? __kasan_check_write+0x14/0x20 [ 186.208744][ T3891] ? down_read+0x109/0x430 [ 186.213135][ T3891] ? down_read_killable+0x490/0x490 [ 186.218309][ T3891] ? lock_downgrade+0x920/0x920 [ 186.223136][ T3891] ext4_filemap_fault+0x86/0xb2 [ 186.227964][ T3891] __do_fault+0x111/0x540 [ 186.232269][ T3891] ? do_raw_spin_unlock+0x57/0x270 [ 186.237355][ T3891] __handle_mm_fault+0x2cb8/0x3f20 [ 186.242452][ T3891] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 186.247970][ T3891] ? __kasan_check_read+0x11/0x20 [ 186.252972][ T3891] ? trace_hardirqs_on+0x67/0x240 [ 186.257972][ T3891] handle_mm_fault+0x1b5/0x6c0 [ 186.262715][ T3891] __do_page_fault+0x536/0xdd0 [ 186.267451][ T3891] ? page_fault+0x16/0x40 [ 186.271757][ T3891] do_page_fault+0x38/0x590 [ 186.276232][ T3891] page_fault+0x39/0x40 [ 186.280362][ T3891] RIP: 0033:0x7f93760bb9d0 [ 186.284760][ T3891] Code: Bad RIP value. [ 186.288813][ T3891] RSP: 002b:00007ffdb15ae378 EFLAGS: 00010206 [ 186.294863][ T3891] RAX: 0000000000000003 RBX: 00007ffdb15ae3d8 RCX: 0000000000000018 [ 186.302897][ T3891] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000004 [ 186.310844][ T3891] RBP: 0000000000000004 R08: 00007ffdb15ae3d0 R09: 00007f9376168fe0 [ 186.318797][ T3891] R10: 1999999999999999 R11: 00007f9376198c10 R12: 00007ffdb15ae3d8 [ 186.326756][ T3891] R13: 00007ffdb15ae3d0 R14: 0000000000000003 R15: 000000000000000a [ 186.335201][ T3891] Mem-Info: [ 186.338365][ T3891] active_anon:2698 inactive_anon:1408905 isolated_anon:0 [ 186.338365][ T3891] active_file:263 inactive_file:257 isolated_file:0 [ 186.338365][ T3891] unevictable:4383 dirty:25 writeback:0 unstable:0 [ 186.338365][ T3891] slab_reclaimable:15494 slab_unreclaimable:106126 [ 186.338365][ T3891] mapped:570 shmem:245 pagetables:5022 bounce:0 [ 186.338365][ T3891] free:35093 free_pcp:210 free_cma:0 executing program [ 186.376786][ T3891] Node 0 active_anon:8108kB inactive_anon:2049692kB active_file:1032kB inactive_file:1024kB unevictable:12880kB isolated(anon):0kB isolated(file):0kB mapped:2280kB dirty:100kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1998848kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 186.406047][ T3891] Node 1 active_anon:2684kB inactive_anon:3590628kB active_file:20kB inactive_file:4kB unevictable:52kB 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? no [ 186.407472][T10020] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 186.433446][ T3891] Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 186.440533][T10020] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 186.467489][ T3891] lowmem_reserve[]: 0 2547 2548 2548 [ 186.482473][ T3891] Node 0 DMA32 free:75644kB min:38232kB low:47276kB high:56320kB active_anon:8068kB inactive_anon:2055984kB active_file:1136kB inactive_file:1308kB unevictable:0kB writepending:180kB present:3129332kB managed:2611876kB mlocked:0kB kernel_stack:9984kB pagetables:8052kB bounce:0kB free_pcp:508kB local_pcp:156kB free_cma:0kB [ 186.512874][ T3891] lowmem_reserve[]: 0 0 1 1 [ 186.517501][ T3891] Node 0 Normal free:8kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:388kB active_file:228kB inactive_file:52kB unevictable:12kB writepending:24kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 186.544932][ T3891] lowmem_reserve[]: 0 0 0 0 [ 186.549528][ T3891] Node 1 Normal free:54044kB min:53684kB low:67104kB high:80524kB active_anon:2684kB inactive_anon:3590628kB active_file:20kB inactive_file:4kB unevictable:52kB writepending:0kB present:3932160kB managed:3870244kB mlocked:44kB kernel_stack:6880kB pagetables:12036kB bounce:0kB free_pcp:236kB local_pcp:52kB free_cma:0kB executing program [ 186.579559][ T3891] lowmem_reserve[]: 0 0 0 0 [ 186.584062][ T3891] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10300kB [ 186.588166][T10024] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 186.600294][ T3891] Node 0 DMA32: 584*4kB (UM) 2023*8kB (U) 1602*16kB (UM) 231*32kB (UM) 29*64kB (UM) 11*128kB (UM) 4*256kB (UM) 0*512kB 2*1024kB (UM) 0*2048kB 0*4096kB = 57880kB [ 186.607657][T10024] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 186.623266][ T3891] Node 0 Normal: 0*4kB 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 24kB [ 186.645127][ T3891] Node 1 Normal: 13*4kB (UME) 15*8kB (UM) 23*16kB (UME) 19*32kB (UME) 29*64kB (UME) 17*128kB (UM) 5*256kB (UM) 3*512kB (ME) 3*1024kB (UM) 3*2048kB (UME) 9*4096kB (M) = 54076kB [ 186.676655][ T3891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 186.686440][ T3891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 186.696324][ T3891] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 186.705987][ T3891] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 186.715342][ T3891] 529 total pagecache pages [ 186.719918][ T3891] 0 pages in swap cache [ 186.724156][ T3891] Swap cache stats: add 0, delete 0, find 0/0 [ 186.730450][ T3891] Free swap = 0kB [ 186.735400][ T3891] Total swap = 0kB [ 186.740767][ T3891] 1965979 pages RAM [ 186.745118][ T3891] 0 pages HighMem/MovableOnly [ 186.750177][ T3891] 341179 pages reserved [ 186.754361][ T3891] 0 pages cma reserved [ 186.758465][ T3891] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=9923,uid=0 [ 186.774303][ T3891] Out of memory: Killed process 9923 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 186.814128][ T9923] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env executing program [ 186.834145][ T9923] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 186.887873][T10028] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 186.894917][T10028] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 187.694723][T10028] syz-executor862 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 187.707113][T10028] CPU: 1 PID: 10028 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 187.716280][T10028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.726310][T10028] Call Trace: [ 187.729592][T10028] dump_stack+0x172/0x1f0 [ 187.733899][T10028] dump_header+0x177/0x1152 [ 187.738384][T10028] ? ___ratelimit+0xf8/0x595 [ 187.742955][T10028] ? trace_hardirqs_on+0x67/0x240 [ 187.747955][T10028] ? pagefault_out_of_memory+0x11c/0x11c [ 187.753570][T10028] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 187.759361][T10028] ? ___ratelimit+0x60/0x595 [ 187.763924][T10028] ? do_raw_spin_unlock+0x57/0x270 [ 187.769013][T10028] oom_kill_process.cold+0x10/0x15 [ 187.774098][T10028] out_of_memory+0x334/0x1340 [ 187.778753][T10028] ? oom_killer_disable+0x280/0x280 [ 187.783965][T10028] ? mutex_trylock+0x252/0x2d0 [ 187.788710][T10028] ? __alloc_pages_slowpath+0xb84/0x2540 [ 187.794360][T10028] __alloc_pages_slowpath+0x1df9/0x2540 [ 187.799889][T10028] ? warn_alloc+0x110/0x110 [ 187.804375][T10028] ? __might_sleep+0x95/0x190 [ 187.809037][T10028] __alloc_pages_nodemask+0x63a/0x900 [ 187.814393][T10028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.820645][T10028] ? __alloc_pages_slowpath+0x2540/0x2540 [ 187.826340][T10028] ? release_pages+0xd9a/0x1a50 [ 187.831167][T10028] ? lock_downgrade+0x920/0x920 [ 187.835993][T10028] ? pmd_val+0x85/0x100 [ 187.840122][T10028] ? add_mm_counter_fast.part.0+0x40/0x40 [ 187.845813][T10028] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 187.852041][T10028] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 187.858258][T10028] alloc_pages_vma+0x1bc/0x3f0 [ 187.862998][T10028] __handle_mm_fault+0x1de2/0x3f20 [ 187.868087][T10028] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 187.873616][T10028] ? __kasan_check_read+0x11/0x20 [ 187.878620][T10028] ? do_raw_spin_unlock+0x57/0x270 [ 187.883722][T10028] ? trace_hardirqs_on+0x67/0x240 [ 187.888725][T10028] handle_mm_fault+0x1b5/0x6c0 [ 187.893466][T10028] __get_user_pages+0x7d4/0x1b30 [ 187.898385][T10028] ? mark_held_locks+0xf0/0xf0 [ 187.903173][T10028] ? follow_page_mask+0x1cf0/0x1cf0 [ 187.908348][T10028] ? __mm_populate+0x270/0x380 [ 187.913091][T10028] ? __kasan_check_write+0x14/0x20 [ 187.918191][T10028] ? down_read+0x109/0x430 [ 187.922588][T10028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 187.928803][T10028] populate_vma_page_range+0x20d/0x2a0 [ 187.934239][T10028] __mm_populate+0x204/0x380 [ 187.938806][T10028] ? populate_vma_page_range+0x2a0/0x2a0 [ 187.944415][T10028] ? __kasan_check_write+0x14/0x20 [ 187.949505][T10028] ? up_write+0x155/0x490 [ 187.953935][T10028] ? ns_capable_common+0x93/0x100 [ 187.958936][T10028] __x64_sys_mlockall+0x473/0x520 [ 187.963936][T10028] do_syscall_64+0xfa/0x760 [ 187.968491][T10028] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 187.974359][T10028] RIP: 0033:0x4466d9 [ 187.978233][T10028] Code: e8 5c b3 02 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 187.997812][T10028] RSP: 002b:00007f872d192db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 188.006198][T10028] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004466d9 [ 188.014157][T10028] RDX: 00000000004466d9 RSI: 0000000000000000 RDI: 0000000000000001 [ 188.022153][T10028] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 188.030152][T10028] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 188.038109][T10028] R13: 00007ffdda08980f R14: 00007f872d1939c0 R15: 20c49ba5e353f7cf [ 188.046652][T10028] Mem-Info: [ 188.049791][T10028] active_anon:2700 inactive_anon:1417352 isolated_anon:0 [ 188.049791][T10028] active_file:13 inactive_file:37 isolated_file:0 [ 188.049791][T10028] unevictable:3774 dirty:0 writeback:0 unstable:0 [ 188.049791][T10028] slab_reclaimable:15536 slab_unreclaimable:106174 [ 188.049791][T10028] mapped:234 shmem:245 pagetables:5035 bounce:0 [ 188.049791][T10028] free:27539 free_pcp:0 free_cma:0 [ 188.087143][T10028] Node 0 active_anon:8120kB inactive_anon:2092704kB active_file:28kB inactive_file:68kB unevictable:3012kB isolated(anon):0kB isolated(file):0kB mapped:920kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1998848kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 188.115667][T10028] Node 1 active_anon:2680kB inactive_anon:3576704kB active_file:24kB inactive_file:80kB unevictable:12084kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 188.143457][T10028] Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 188.170601][T10028] lowmem_reserve[]: 0 2547 2548 2548 [ 188.175891][T10028] Node 0 DMA32 free:46464kB min:101720kB low:110764kB high:119808kB active_anon:8080kB inactive_anon:2086728kB active_file:24kB inactive_file:68kB unevictable:2924kB writepending:0kB present:3129332kB managed:2611876kB mlocked:2924kB kernel_stack:9952kB pagetables:8144kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 188.206629][T10028] lowmem_reserve[]: 0 0 1 1 [ 188.211179][T10028] Node 0 Normal free:8kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:660kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 188.237964][T10028] lowmem_reserve[]: 0 0 0 0 [ 188.242453][T10028] Node 1 Normal free:53384kB min:53684kB low:67104kB high:80524kB active_anon:2680kB inactive_anon:3576704kB active_file:32kB inactive_file:80kB unevictable:11688kB writepending:0kB present:3932160kB managed:3870244kB mlocked:11688kB kernel_stack:6912kB pagetables:11996kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 188.272729][T10028] lowmem_reserve[]: 0 0 0 0 [ 188.277265][T10028] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10300kB [ 188.293412][T10028] Node 0 DMA32: 5*4kB (UM) 1701*8kB (UM) 1609*16kB (UE) 240*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 47052kB [ 188.307544][T10028] Node 0 Normal: 2*4kB (U) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 188.319332][T10028] Node 1 Normal: 16*4kB (UME) 19*8kB (UME) 17*16kB (UME) 7*32kB (UME) 6*64kB (UE) 3*128kB (ME) 2*256kB (UM) 1*512kB (M) 6*1024kB (UM) 4*2048kB (ME) 9*4096kB (M) = 53704kB [ 188.336704][T10028] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 188.346261][T10028] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 188.355560][T10028] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 188.365105][T10028] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 188.374409][T10028] 501 total pagecache pages [ 188.378921][T10028] 0 pages in swap cache [ 188.383067][T10028] Swap cache stats: add 0, delete 0, find 0/0 [ 188.389151][T10028] Free swap = 0kB [ 188.392853][T10028] Total swap = 0kB [ 188.396561][T10028] 1965979 pages RAM [ 188.400369][T10028] 0 pages HighMem/MovableOnly [ 188.405019][T10028] 341179 pages reserved [ 188.409179][T10028] 0 pages cma reserved [ 188.413237][T10028] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=10026,uid=0 [ 188.427628][T10028] Out of memory: Killed process 10026 (syz-executor862) total-vm:17848kB, anon-rss:16952kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 188.463564][ T1065] oom_reaper: reaped process 10026 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 188.475841][T10026] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 188.483548][T10026] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' executing program [ 188.517717][T10032] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 188.524761][T10032] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 188.595316][T10032] syz-executor862 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 188.608008][T10032] CPU: 1 PID: 10032 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 188.617177][T10032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 188.627208][T10032] Call Trace: [ 188.630481][T10032] dump_stack+0x172/0x1f0 [ 188.634789][T10032] dump_header+0x177/0x1152 [ 188.639272][T10032] ? ___ratelimit+0xf8/0x595 [ 188.643845][T10032] ? trace_hardirqs_on+0x67/0x240 [ 188.648845][T10032] ? pagefault_out_of_memory+0x11c/0x11c [ 188.654453][T10032] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 188.660255][T10032] ? ___ratelimit+0x60/0x595 [ 188.664820][T10032] ? do_raw_spin_unlock+0x57/0x270 [ 188.669909][T10032] oom_kill_process.cold+0x10/0x15 [ 188.674996][T10032] out_of_memory+0x334/0x1340 [ 188.679649][T10032] ? oom_killer_disable+0x280/0x280 [ 188.684826][T10032] ? mutex_trylock+0x252/0x2d0 [ 188.689565][T10032] ? __alloc_pages_slowpath+0xb84/0x2540 [ 188.695174][T10032] __alloc_pages_slowpath+0x1df9/0x2540 [ 188.700706][T10032] ? warn_alloc+0x110/0x110 [ 188.705279][T10032] ? __might_sleep+0x95/0x190 [ 188.709931][T10032] __alloc_pages_nodemask+0x63a/0x900 [ 188.715279][T10032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.721496][T10032] ? __alloc_pages_slowpath+0x2540/0x2540 [ 188.727190][T10032] ? release_pages+0xd9a/0x1a50 [ 188.732021][T10032] ? lock_downgrade+0x920/0x920 [ 188.736846][T10032] ? pmd_val+0x85/0x100 [ 188.740978][T10032] ? add_mm_counter_fast.part.0+0x40/0x40 [ 188.746676][T10032] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 188.752893][T10032] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 188.759112][T10032] alloc_pages_vma+0x1bc/0x3f0 [ 188.764092][T10032] __handle_mm_fault+0x1de2/0x3f20 [ 188.769190][T10032] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 188.774717][T10032] ? __kasan_check_read+0x11/0x20 [ 188.779723][T10032] ? do_raw_spin_unlock+0x57/0x270 [ 188.784816][T10032] ? trace_hardirqs_on+0x67/0x240 [ 188.789833][T10032] handle_mm_fault+0x1b5/0x6c0 [ 188.794594][T10032] __get_user_pages+0x7d4/0x1b30 [ 188.799561][T10032] ? mark_held_locks+0xf0/0xf0 [ 188.804325][T10032] ? follow_page_mask+0x1cf0/0x1cf0 [ 188.809505][T10032] ? __mm_populate+0x270/0x380 [ 188.814252][T10032] ? __kasan_check_write+0x14/0x20 [ 188.819440][T10032] ? down_read+0x109/0x430 [ 188.823843][T10032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 188.830071][T10032] populate_vma_page_range+0x20d/0x2a0 [ 188.835508][T10032] __mm_populate+0x204/0x380 [ 188.840098][T10032] ? populate_vma_page_range+0x2a0/0x2a0 [ 188.845712][T10032] ? __kasan_check_write+0x14/0x20 [ 188.850800][T10032] ? up_write+0x155/0x490 [ 188.855104][T10032] ? ns_capable_common+0x93/0x100 [ 188.860109][T10032] __x64_sys_mlockall+0x473/0x520 [ 188.865117][T10032] do_syscall_64+0xfa/0x760 [ 188.869645][T10032] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 188.875512][T10032] RIP: 0033:0x4466d9 [ 188.879386][T10032] Code: e8 5c b3 02 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 188.898965][T10032] RSP: 002b:00007f872d192db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 188.907353][T10032] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004466d9 [ 188.915301][T10032] RDX: 00000000004466d9 RSI: 0000000000000000 RDI: 0000000000000001 [ 188.923259][T10032] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 188.931221][T10032] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 188.939182][T10032] R13: 00007ffdda08980f R14: 00007f872d1939c0 R15: 20c49ba5e353f7cf [ 188.948324][T10032] Mem-Info: [ 188.952904][T10032] active_anon:2702 inactive_anon:1417319 isolated_anon:0 [ 188.952904][T10032] active_file:70 inactive_file:41 isolated_file:0 [ 188.952904][T10032] unevictable:2553 dirty:13 writeback:2 unstable:0 [ 188.952904][T10032] slab_reclaimable:15555 slab_unreclaimable:106146 [ 188.952904][T10032] mapped:288 shmem:245 pagetables:5033 bounce:0 [ 188.952904][T10032] free:28740 free_pcp:55 free_cma:0 [ 188.990490][T10032] Node 0 active_anon:8148kB inactive_anon:2083280kB active_file:24kB inactive_file:24kB unevictable:8016kB isolated(anon):0kB isolated(file):0kB mapped:880kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1998848kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 189.019014][T10032] Node 1 active_anon:2660kB inactive_anon:3585996kB active_file:72kB inactive_file:0kB unevictable:2252kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:4kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 189.046544][T10032] Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 189.073683][T10032] lowmem_reserve[]: 0 2547 2548 2548 [ 189.078976][T10032] Node 0 DMA32 free:50972kB min:117592kB low:126636kB high:135680kB active_anon:8108kB inactive_anon:2077364kB active_file:20kB inactive_file:24kB unevictable:7984kB writepending:0kB present:3129332kB managed:2611876kB mlocked:7984kB kernel_stack:10016kB pagetables:8176kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 189.115934][T10032] lowmem_reserve[]: 0 0 1 1 [ 189.120507][T10032] Node 0 Normal free:8kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:600kB active_file:12kB inactive_file:0kB unevictable:32kB writepending:0kB present:786432kB managed:1172kB mlocked:32kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 189.147589][T10032] lowmem_reserve[]: 0 0 0 0 [ 189.160296][T10032] Node 1 Normal free:54104kB min:53684kB low:67104kB high:80524kB active_anon:2660kB inactive_anon:3585996kB active_file:72kB inactive_file:0kB unevictable:2252kB writepending:0kB present:3932160kB managed:3870244kB mlocked:2252kB kernel_stack:6848kB pagetables:11956kB bounce:0kB free_pcp:180kB local_pcp:180kB free_cma:0kB [ 189.191461][T10032] lowmem_reserve[]: 0 0 0 0 [ 189.196871][T10032] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10300kB [ 189.213437][T10032] Node 0 DMA32: 206*4kB (UM) 2011*8kB (UME) 1617*16kB (UME) 243*32kB (UME) 1*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 50624kB [ 189.228440][T10032] 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 [ 189.240788][T10032] Node 1 Normal: 12*4kB (UE) 6*8kB (UME) 13*16kB (UE) 11*32kB (UME) 6*64kB (UE) 3*128kB (ME) 2*256kB (UM) 1*512kB (M) 6*1024kB (UM) 4*2048kB (ME) 9*4096kB (M) = 53648kB [ 189.257766][T10032] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 189.267492][T10032] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 189.276982][T10032] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 189.286746][T10032] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 189.296117][T10032] 730 total pagecache pages [ 189.300729][T10032] 0 pages in swap cache [ 189.304875][T10032] Swap cache stats: add 0, delete 0, find 0/0 [ 189.310936][T10032] Free swap = 0kB [ 189.314631][T10032] Total swap = 0kB [ 189.318359][T10032] 1965979 pages RAM [ 189.322155][T10032] 0 pages HighMem/MovableOnly [ 189.327066][T10032] 341179 pages reserved [ 189.331453][T10032] 0 pages cma reserved [ 189.335768][T10032] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=10022,uid=0 [ 189.350523][T10032] Out of memory: Killed process 10022 (syz-executor862) total-vm:17848kB, anon-rss:16952kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 189.376137][ T1065] oom_reaper: reaped process 10022 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 189.388425][T10022] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 189.395446][T10022] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' executing program [ 189.520513][T10036] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 189.527534][T10036] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 189.686168][T10036] syz-executor862 invoked oom-killer: gfp_mask=0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), order=0, oom_score_adj=1000 [ 189.698676][T10036] CPU: 1 PID: 10036 Comm: syz-executor862 Not tainted 5.3.0-rc6-next-20190830 #75 [ 189.707850][T10036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.717881][T10036] Call Trace: [ 189.721153][T10036] dump_stack+0x172/0x1f0 [ 189.725503][T10036] dump_header+0x177/0x1152 [ 189.729993][T10036] ? ___ratelimit+0xf8/0x595 [ 189.734559][T10036] ? trace_hardirqs_on+0x67/0x240 [ 189.739565][T10036] ? pagefault_out_of_memory+0x11c/0x11c [ 189.745172][T10036] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 189.750963][T10036] ? ___ratelimit+0x60/0x595 [ 189.755533][T10036] ? do_raw_spin_unlock+0x57/0x270 [ 189.760631][T10036] oom_kill_process.cold+0x10/0x15 [ 189.765717][T10036] out_of_memory+0x334/0x1340 [ 189.770372][T10036] ? oom_killer_disable+0x280/0x280 [ 189.775552][T10036] ? mutex_trylock+0x252/0x2d0 [ 189.780297][T10036] ? __alloc_pages_slowpath+0xb84/0x2540 [ 189.785922][T10036] __alloc_pages_slowpath+0x1df9/0x2540 [ 189.791447][T10036] ? warn_alloc+0x110/0x110 [ 189.796291][T10036] ? __might_sleep+0x95/0x190 [ 189.800947][T10036] __alloc_pages_nodemask+0x63a/0x900 [ 189.806294][T10036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.812507][T10036] ? __alloc_pages_slowpath+0x2540/0x2540 [ 189.818205][T10036] ? release_pages+0xd9a/0x1a50 [ 189.823045][T10036] ? lock_downgrade+0x920/0x920 [ 189.827882][T10036] ? pmd_val+0x85/0x100 [ 189.832029][T10036] ? add_mm_counter_fast.part.0+0x40/0x40 [ 189.837725][T10036] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 189.844028][T10036] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 189.850248][T10036] alloc_pages_vma+0x1bc/0x3f0 [ 189.854991][T10036] __handle_mm_fault+0x1de2/0x3f20 [ 189.860089][T10036] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 189.865608][T10036] ? __kasan_check_read+0x11/0x20 [ 189.870605][T10036] ? do_raw_spin_unlock+0x57/0x270 [ 189.875694][T10036] ? trace_hardirqs_on+0x67/0x240 [ 189.880699][T10036] handle_mm_fault+0x1b5/0x6c0 [ 189.885452][T10036] __get_user_pages+0x7d4/0x1b30 [ 189.890387][T10036] ? mark_held_locks+0xf0/0xf0 [ 189.895131][T10036] ? follow_page_mask+0x1cf0/0x1cf0 [ 189.900302][T10036] ? __mm_populate+0x270/0x380 [ 189.905045][T10036] ? __kasan_check_write+0x14/0x20 [ 189.910131][T10036] ? down_read+0x109/0x430 [ 189.914530][T10036] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 189.920659][T10036] populate_vma_page_range+0x20d/0x2a0 [ 189.926093][T10036] __mm_populate+0x204/0x380 [ 189.930663][T10036] ? populate_vma_page_range+0x2a0/0x2a0 [ 189.936445][T10036] ? __kasan_check_write+0x14/0x20 [ 189.941530][T10036] ? up_write+0x155/0x490 [ 189.945844][T10036] ? ns_capable_common+0x93/0x100 [ 189.950864][T10036] __x64_sys_mlockall+0x473/0x520 [ 189.955884][T10036] do_syscall_64+0xfa/0x760 [ 189.960368][T10036] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.966255][T10036] RIP: 0033:0x4466d9 [ 189.970136][T10036] Code: e8 5c b3 02 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 189.989717][T10036] RSP: 002b:00007f872d192db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 189.998114][T10036] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004466d9 [ 190.006074][T10036] RDX: 00000000004466d9 RSI: 00000000004466d9 RDI: 0000000000000001 [ 190.014035][T10036] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 190.021993][T10036] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 190.029946][T10036] R13: 00007ffdda08980f R14: 00007f872d1939c0 R15: 20c49ba5e353f7cf [ 190.038365][T10036] Mem-Info: [ 190.041486][T10036] active_anon:2703 inactive_anon:1417288 isolated_anon:0 [ 190.041486][T10036] active_file:11 inactive_file:19 isolated_file:0 [ 190.041486][T10036] unevictable:2689 dirty:0 writeback:0 unstable:0 [ 190.041486][T10036] slab_reclaimable:15572 slab_unreclaimable:106140 [ 190.041486][T10036] mapped:220 shmem:245 pagetables:5033 bounce:0 [ 190.041486][T10036] free:28366 free_pcp:556 free_cma:0 [ 190.079028][T10036] Node 0 active_anon:8160kB inactive_anon:2080476kB active_file:24kB inactive_file:60kB unevictable:10500kB isolated(anon):0kB isolated(file):0kB mapped:880kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1998848kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 190.107642][T10036] Node 1 active_anon:2652kB inactive_anon:3588676kB active_file:20kB inactive_file:16kB unevictable:256kB 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 [ 190.135162][T10036] Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 190.162332][T10036] lowmem_reserve[]: 0 2547 2548 2548 [ 190.167874][T10036] Node 0 DMA32 free:49924kB min:117592kB low:126636kB high:135680kB active_anon:8120kB inactive_anon:2074528kB active_file:24kB inactive_file:56kB unevictable:10312kB writepending:0kB present:3129332kB managed:2611876kB mlocked:10312kB kernel_stack:10016kB pagetables:8180kB bounce:0kB free_pcp:1976kB local_pcp:484kB free_cma:0kB [ 190.198711][T10036] lowmem_reserve[]: 0 0 1 1 [ 190.203219][T10036] Node 0 Normal free:12kB min:16kB low:20kB high:24kB active_anon:40kB inactive_anon:632kB active_file:0kB inactive_file:4kB unevictable:8kB writepending:0kB present:786432kB managed:1172kB mlocked:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 190.230069][T10036] lowmem_reserve[]: 0 0 0 0 [ 190.234568][T10036] Node 1 Normal free:53228kB min:53684kB low:67104kB high:80524kB active_anon:2652kB inactive_anon:3588676kB active_file:20kB inactive_file:16kB unevictable:256kB writepending:0kB present:3932160kB managed:3870244kB mlocked:256kB kernel_stack:6848kB pagetables:11952kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 190.264801][T10036] lowmem_reserve[]: 0 0 0 0 [ 190.269316][T10036] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10300kB [ 190.285426][T10036] Node 0 DMA32: 33*4kB (U) 1994*8kB (U) 1629*16kB (U) 243*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 49924kB [ 190.299525][T10036] 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 [ 190.311699][T10036] Node 1 Normal: 13*4kB (UME) 5*8kB (ME) 11*16kB (UE) 9*32kB (UME) 7*64kB (UME) 2*128kB (E) 1*256kB (M) 1*512kB (M) 6*1024kB (UM) 4*2048kB (ME) 9*4096kB (M) = 53228kB [ 190.328329][T10036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 190.337880][T10036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 190.347169][T10036] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 190.356708][T10036] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 190.365971][T10036] 493 total pagecache pages [ 190.370482][T10036] 0 pages in swap cache [ 190.374613][T10036] Swap cache stats: add 0, delete 0, find 0/0 [ 190.380690][T10036] Free swap = 0kB [ 190.384392][T10036] Total swap = 0kB [ 190.388110][T10036] 1965979 pages RAM [ 190.391890][T10036] 0 pages HighMem/MovableOnly [ 190.396558][T10036] 341179 pages reserved [ 190.400706][T10036] 0 pages cma reserved [ 190.404749][T10036] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=10034,uid=0 [ 190.419130][T10036] Out of memory: Killed process 10034 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 190.454590][ T1065] oom_reaper: reaped process 10034 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 190.464719][ T8591] rsyslogd invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 190.466053][T10034] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 190.475881][ T8591] CPU: 0 PID: 8591 Comm: rsyslogd Not tainted 5.3.0-rc6-next-20190830 #75 [ 190.475889][ T8591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 190.475892][ T8591] Call Trace: [ 190.475914][ T8591] dump_stack+0x172/0x1f0 [ 190.496645][T10034] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 190.501331][ T8591] dump_header+0x177/0x1152 [ 190.501347][ T8591] ? ___ratelimit+0xf8/0x595 [ 190.527660][ T8591] ? trace_hardirqs_on+0x67/0x240 [ 190.532683][ T8591] ? pagefault_out_of_memory+0x11c/0x11c [ 190.538312][ T8591] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 190.544109][ T8591] ? ___ratelimit+0x60/0x595 [ 190.548692][ T8591] ? do_raw_spin_unlock+0x57/0x270 [ 190.553841][ T8591] oom_kill_process.cold+0x10/0x15 [ 190.558946][ T8591] out_of_memory+0x334/0x1340 [ 190.563620][ T8591] ? oom_killer_disable+0x280/0x280 [ 190.568817][ T8591] ? mutex_trylock+0x252/0x2d0 [ 190.573575][ T8591] ? __alloc_pages_slowpath+0xb84/0x2540 [ 190.579200][ T8591] __alloc_pages_slowpath+0x1df9/0x2540 [ 190.584842][ T8591] ? is_bpf_text_address+0xd3/0x170 [ 190.590042][ T8591] ? warn_alloc+0x110/0x110 [ 190.594640][ T8591] ? __might_sleep+0x95/0x190 [ 190.599315][ T8591] __alloc_pages_nodemask+0x63a/0x900 [ 190.604678][ T8591] ? xas_descend+0x144/0x370 [ 190.609249][ T8591] ? __alloc_pages_slowpath+0x2540/0x2540 [ 190.614945][ T8591] ? xas_load+0x67/0x150 [ 190.619193][ T8591] ? find_get_entry+0x4ab/0x7a0 [ 190.624039][ T8591] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 190.630276][ T8591] alloc_pages_current+0x107/0x210 [ 190.635383][ T8591] __page_cache_alloc+0x2a2/0x490 [ 190.640406][ T8591] pagecache_get_page+0x27e/0x900 [ 190.645429][ T8591] filemap_fault+0x901/0x2b70 [ 190.650101][ T8591] ? __kasan_check_read+0x11/0x20 [ 190.655121][ T8591] ? mark_held_locks+0xf0/0xf0 [ 190.659878][ T8591] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 190.666124][ T8591] ? lock_downgrade+0x920/0x920 [ 190.670974][ T8591] ? pagecache_get_page+0x900/0x900 [ 190.676157][ T8591] ? __kasan_check_write+0x14/0x20 [ 190.681260][ T8591] ? down_read+0x109/0x430 [ 190.685667][ T8591] ? down_read_killable+0x490/0x490 [ 190.690861][ T8591] ? find_lock_entry+0x560/0x560 [ 190.695790][ T8591] ? pmd_val+0x85/0x100 [ 190.699941][ T8591] ext4_filemap_fault+0x86/0xb2 [ 190.704783][ T8591] __do_fault+0x111/0x540 [ 190.709111][ T8591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 190.715350][ T8591] __handle_mm_fault+0x2cb8/0x3f20 [ 190.720459][ T8591] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 190.726084][ T8591] ? __kasan_check_read+0x11/0x20 [ 190.731100][ T8591] ? trace_hardirqs_on+0x67/0x240 [ 190.736099][ T8591] handle_mm_fault+0x1b5/0x6c0 [ 190.740849][ T8591] __do_page_fault+0x536/0xdd0 [ 190.745610][ T8591] ? page_fault+0x16/0x40 [ 190.749937][ T8591] do_page_fault+0x38/0x590 [ 190.754434][ T8591] page_fault+0x39/0x40 [ 190.758579][ T8591] RIP: 0033:0x7ff5956dc1fd [ 190.763000][ T8591] Code: Bad RIP value. [ 190.767053][ T8591] RSP: 002b:00007ff592c7be30 EFLAGS: 00010293 [ 190.773112][ T8591] RAX: 0000000000000ffd RBX: 0000000000d33650 RCX: 00007ff5956dc1fd [ 190.781083][ T8591] RDX: 0000000000000fff RSI: 00007ff5944b05a0 RDI: 0000000000000004 [ 190.789089][ T8591] RBP: 0000000000000000 R08: 0000000000d1e260 R09: 0000000000000000 [ 190.797043][ T8591] R10: 545b5d3433353732 R11: 0000000000000293 R12: 000000000065e420 [ 190.805005][ T8591] R13: 00007ff592c7c9c0 R14: 00007ff595d21040 R15: 0000000000000003 [ 190.813088][ T8591] Mem-Info: [ 190.816219][ T8591] active_anon:2700 inactive_anon:1413083 isolated_anon:0 [ 190.816219][ T8591] active_file:10 inactive_file:36 isolated_file:0 [ 190.816219][ T8591] unevictable:2900 dirty:0 writeback:0 unstable:0 [ 190.816219][ T8591] slab_reclaimable:15572 slab_unreclaimable:106140 [ 190.816219][ T8591] mapped:220 shmem:245 pagetables:5020 bounce:0 [ 190.816219][ T8591] free:31846 free_pcp:1096 free_cma:0 [ 190.854123][ T8591] Node 0 active_anon:8152kB inactive_anon:2066348kB active_file:24kB inactive_file:24kB unevictable:10592kB isolated(anon):0kB isolated(file):0kB mapped:880kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1998848kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 190.882760][ T8591] Node 1 active_anon:2648kB inactive_anon:3585984kB active_file:104kB inactive_file:24kB unevictable:1908kB 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? no [ 190.916782][ T8591] Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:5316kB 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 [ 190.943913][ T8591] lowmem_reserve[]: 0 2547 2548 2548 [ 190.949263][ T8591] Node 0 DMA32 free:66112kB min:117592kB low:126636kB high:135680kB active_anon:8112kB inactive_anon:2060432kB active_file:24kB inactive_file:20kB unevictable:10580kB writepending:0kB present:3129332kB managed:2611876kB mlocked:10580kB kernel_stack:9984kB pagetables:8128kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 190.979619][ T8591] lowmem_reserve[]: 0 0 1 1 [ 190.984127][ T8591] Node 0 Normal free:40kB min:2064kB low:2068kB high:2072kB active_anon:40kB inactive_anon:600kB active_file:0kB inactive_file:4kB unevictable:12kB writepending:0kB present:786432kB managed:1172kB mlocked:12kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 191.011672][ T8591] lowmem_reserve[]: 0 0 0 0 [ 191.017258][ T8591] Node 1 Normal free:53556kB min:53684kB low:67104kB high:80524kB active_anon:2648kB inactive_anon:3585984kB active_file:4kB inactive_file:0kB unevictable:1512kB writepending:0kB present:3932160kB managed:3870244kB mlocked:1512kB kernel_stack:6848kB pagetables:11952kB bounce:0kB free_pcp:24kB local_pcp:0kB free_cma:0kB [ 191.056648][ T8591] lowmem_reserve[]: 0 0 0 0 [ 191.061229][ T8591] Node 0 DMA: 3*4kB (UME) 2*8kB (ME) 2*16kB (UM) 2*32kB (ME) 1*64kB (E) 1*128kB (E) 3*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (M) = 10300kB [ 191.078550][ T8591] Node 0 DMA32: 1319*4kB (UME) 2590*8kB (UM) 1723*16kB (UM) 264*32kB (UM) 9*64kB (UM) 8*128kB (M) 4*256kB (M) 1*512kB (M) 1*1024kB (M) 0*2048kB 0*4096kB = 66172kB [ 191.095490][ T8591] Node 0 Normal: 8*4kB (U) 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 40kB [ 191.126639][ T8591] Node 1 Normal: 14*4kB (UME) 20*8kB (ME) 12*16kB (UME) 9*32kB (UME) 12*64kB (UME) 2*128kB (E) 1*256kB (M) 1*512kB (M) 6*1024kB (UM) 4*2048kB (ME) 9*4096kB (M) = 53688kB [ 191.146759][ T8591] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 191.156325][ T8591] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 191.165636][ T8591] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 191.186650][ T8591] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 191.195942][ T8591] 519 total pagecache pages [ 191.200454][ T8591] 0 pages in swap cache [ 191.204591][ T8591] Swap cache stats: add 0, delete 0, find 0/0 [ 191.210663][ T8591] Free swap = 0kB [ 191.214378][ T8591] Total swap = 0kB [ 191.218103][ T8591] 1965979 pages RAM [ 191.221896][ T8591] 0 pages HighMem/MovableOnly [ 191.226553][ T8591] 341179 pages reserved [ 191.230711][ T8591] 0 pages cma reserved [ 191.234771][ T8591] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor862,pid=10030,uid=0 [ 191.249154][ T8591] Out of memory: Killed process 10030 (syz-executor862) total-vm:17848kB, anon-rss:16832kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:86016kB oom_score_adj:1000 [ 191.300563][ T1065] oom_reaper: reaped process 10030 (syz-executor862), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 191.333134][T10030] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 191.341334][T10030] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' executing program [ 191.377807][T10040] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 191.384810][T10040] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' executing program [ 191.587925][T10044] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 191.594972][T10044] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 192.821953][T10049] kobject: 'kvm' (00000000b61bd42f): kobject_uevent_env [ 192.831251][T10049] kobject: 'kvm' (00000000b61bd42f): fill_kobj_path: path = '/devices/virtual/misc/kvm'