[....] Starting enhanced syslogd: rsyslogd[ 6.059873] audit: type=1400 audit(1513757173.450:5): avc: denied { syslog } for pid=2962 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 13.205311] audit: type=1400 audit(1513757180.596:6): avc: denied { map } for pid=3101 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added 'ci-upstream-next-kasan-gce-3,10.128.15.226' (ECDSA) to the list of known hosts. executing program [ 26.242797] audit: type=1400 audit(1513757193.633:7): avc: denied { map } for pid=3117 comm="syzkaller593821" path="/root/syzkaller593821429" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 28.791168] syzkaller593821 invoked oom-killer: gfp_mask=0x14000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 28.802320] syzkaller593821 cpuset=/ mems_allowed=0 [ 28.807370] CPU: 0 PID: 3117 Comm: syzkaller593821 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 28.815914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.825236] Call Trace: [ 28.827803] dump_stack+0xe9/0x14b [ 28.831327] dump_header+0x82/0x342 [ 28.834930] ? trace_hardirqs_on+0xd/0x10 [ 28.839056] oom_kill_process+0x2d7/0x2e0 [ 28.843186] out_of_memory+0x47e/0x930 [ 28.847055] __alloc_pages_slowpath+0xc4d/0x1100 [ 28.851793] __alloc_pages_nodemask+0x33b/0x3b0 [ 28.856431] alloc_pages_current+0x7a/0x110 [ 28.860720] relay_open_buf.part.10+0x138/0x390 [ 28.865370] relay_open+0x1ea/0x3a0 [ 28.868972] do_blk_trace_setup+0x1af/0x390 [ 28.873270] __blk_trace_setup+0x54/0xb0 [ 28.877314] blk_trace_setup+0x4d/0x70 [ 28.881181] sg_ioctl+0x526/0xff0 [ 28.884606] ? _cond_resched+0x14/0x30 [ 28.888462] ? selinux_file_ioctl+0x152/0x210 [ 28.892919] ? sg_new_write.isra.21+0x3f0/0x3f0 [ 28.897552] do_vfs_ioctl+0xaf/0x840 [ 28.901236] ? security_file_ioctl+0x51/0x80 [ 28.905608] ? security_file_ioctl+0x5d/0x80 [ 28.909979] SyS_ioctl+0x8f/0xc0 [ 28.913312] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 28.918030] RIP: 0033:0x443eb9 [ 28.921184] RSP: 002b:00007ffdf5b7ec58 EFLAGS: 00000202 ORIG_RAX: 0000000000000010 [ 28.928855] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000443eb9 [ 28.936089] RDX: 000000002098f000 RSI: 00000000c0481273 RDI: 0000000000000003 [ 28.943322] RBP: 00000000c0481273 R08: 0000000000000000 R09: 0000000000000000 [ 28.950558] R10: 0000000000000000 R11: 0000000000000202 R12: 2367732f7665642f [ 28.957796] R13: 0000000000401c30 R14: 0000000000000000 R15: 0000000000000000 [ 28.965075] Mem-Info: [ 28.967707] active_anon:4266 inactive_anon:34 isolated_anon:0 [ 28.967707] active_file:8 inactive_file:28 isolated_file:0 [ 28.967707] unevictable:0 dirty:0 writeback:11 unstable:0 [ 28.967707] slab_reclaimable:3552 slab_unreclaimable:4262 [ 28.967707] mapped:2 shmem:40 pagetables:310 bounce:0 [ 28.967707] free:25105 free_pcp:30 free_cma:0 [ 28.999627] Node 0 active_anon:17064kB inactive_anon:136kB active_file:32kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:44kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 29.026597] Node 0 DMA free:15908kB min:140kB low:172kB high:204kB active_anon:0kB inactive_anon:0kB 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 [ 29.052696] lowmem_reserve[]: 0 2943 7430 7430 [ 29.057271] Node 0 DMA32 free:44120kB min:26716kB low:33392kB high:40068kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:3015912kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 29.084413] lowmem_reserve[]: 0 0 4487 4487 [ 29.088717] Node 0 Normal free:40392kB min:40724kB low:50904kB high:61084kB active_anon:17064kB inactive_anon:136kB active_file:148kB inactive_file:316kB unevictable:0kB writepending:44kB present:4718592kB managed:4594860kB mlocked:0kB kernel_stack:1376kB pagetables:1240kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 29.117981] lowmem_reserve[]: 0 0 0 0 [ 29.121765] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 29.135319] Node 0 DMA32: 2*4kB (M) 3*8kB (UM) 3*16kB (M) 2*32kB (UM) 3*64kB (UM) 5*128kB (UM) 3*256kB (UM) 5*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44240kB [ 29.150711] Node 0 Normal: 648*4kB (UME) 411*8kB (ME) 231*16kB (ME) 191*32kB (ME) 98*64kB (ME) 64*128kB (UME) 28*256kB (ME) 6*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 40392kB [ 29.166325] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 29.174871] 69 total pagecache pages [ 29.178561] 0 pages in swap cache [ 29.181985] Swap cache stats: add 0, delete 0, find 0/0 [ 29.187325] Free swap = 0kB [ 29.190321] Total swap = 0kB [ 29.193319] 1965979 pages RAM [ 29.196400] 0 pages HighMem/MovableOnly [ 29.200345] 59309 pages reserved [ 29.203692] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 29.212293] [ 1601] 0 1601 5407 192 86016 0 -1000 udevd [ 29.220433] [ 2831] 0 2831 2493 573 57344 0 0 dhclient [ 29.228812] [ 2962] 0 2962 30616 108 122880 0 0 rsyslogd [ 29.237198] [ 3013] 0 3013 4725 50 81920 0 0 cron [ 29.245245] [ 3041] 0 3041 3736 45 69632 0 0 mcstransd [ 29.253731] [ 3045] 0 3045 12927 1227 135168 0 0 restorecond [ 29.262379] [ 3063] 0 3063 12490 152 147456 0 -1000 sshd [ 29.270418] [ 3087] 0 3087 3694 41 77824 0 0 getty [ 29.278544] [ 3088] 0 3088 3694 42 73728 0 0 getty [ 29.286673] [ 3089] 0 3089 3694 39 73728 0 0 getty [ 29.294799] [ 3090] 0 3090 3694 41 77824 0 0 getty [ 29.302941] [ 3091] 0 3091 3694 40 73728 0 0 getty [ 29.311070] [ 3092] 0 3092 3694 39 73728 0 0 getty [ 29.319203] [ 3093] 0 3093 3649 41 73728 0 0 getty [ 29.327595] [ 3095] 0 3095 5678 455 86016 0 -1000 udevd [ 29.335723] [ 3096] 0 3096 5678 455 86016 0 -1000 udevd [ 29.343848] [ 3115] 0 3115 17821 198 180224 0 0 sshd [ 29.351885] [ 3117] 0 3117 4383 513 45056 0 0 syzkaller593821 [ 29.360876] Out of memory: Kill process 3045 (restorecond) score 0 or sacrifice child [ 29.369099] Killed process 3045 (restorecond) total-vm:51708kB, anon-rss:4908kB, file-rss:0kB, shmem-rss:0kB [ 29.386952] syzkaller593821 invoked oom-killer: gfp_mask=0x14000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 [ 29.398053] syzkaller593821 cpuset=/ mems_allowed=0 [ 29.403057] CPU: 1 PID: 3117 Comm: syzkaller593821 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 29.411600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.420924] Call Trace: [ 29.423480] dump_stack+0xe9/0x14b [ 29.426990] dump_header+0x82/0x342 [ 29.430584] ? trace_hardirqs_on+0xd/0x10 [ 29.434702] oom_kill_process+0x2d7/0x2e0 [ 29.438828] out_of_memory+0x47e/0x930 [ 29.442693] __alloc_pages_slowpath+0xc4d/0x1100 [ 29.447416] ? mmdrop+0x18/0x30 [ 29.450672] __alloc_pages_nodemask+0x33b/0x3b0 [ 29.455310] alloc_pages_current+0x7a/0x110 [ 29.459600] relay_open_buf.part.10+0x138/0x390 [ 29.464240] relay_open+0x1ea/0x3a0 [ 29.467834] do_blk_trace_setup+0x1af/0x390 [ 29.472131] __blk_trace_setup+0x54/0xb0 [ 29.476162] blk_trace_setup+0x4d/0x70 [ 29.480022] sg_ioctl+0x526/0xff0 [ 29.483443] ? _cond_resched+0x14/0x30 [ 29.487305] ? selinux_file_ioctl+0x152/0x210 [ 29.491780] ? sg_new_write.isra.21+0x3f0/0x3f0 [ 29.496429] do_vfs_ioctl+0xaf/0x840 [ 29.500124] ? security_file_ioctl+0x51/0x80 [ 29.504504] ? security_file_ioctl+0x5d/0x80 [ 29.508886] SyS_ioctl+0x8f/0xc0 [ 29.512225] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 29.516951] RIP: 0033:0x443eb9 [ 29.520112] RSP: 002b:00007ffdf5b7ec58 EFLAGS: 00000202 ORIG_RAX: 0000000000000010 [ 29.527787] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000443eb9 [ 29.535031] RDX: 000000002098f000 RSI: 00000000c0481273 RDI: 0000000000000003 [ 29.542279] RBP: 00000000c0481273 R08: 0000000000000000 R09: 0000000000000000 [ 29.549523] R10: 0000000000000000 R11: 0000000000000202 R12: 2367732f7665642f [ 29.556768] R13: 0000000000401c30 R14: 0000000000000000 R15: 0000000000000000 [ 29.564052] Mem-Info: [ 29.572159] active_anon:3048 inactive_anon:34 isolated_anon:0 [ 29.572159] active_file:3 inactive_file:36 isolated_file:0 [ 29.572159] unevictable:0 dirty:0 writeback:11 unstable:0 [ 29.572159] slab_reclaimable:3552 slab_unreclaimable:4262 [ 29.572159] mapped:2 shmem:40 pagetables:310 bounce:0 [ 29.572159] free:25320 free_pcp:42 free_cma:0 [ 29.604128] Node 0 active_anon:12192kB inactive_anon:136kB active_file:0kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):12kB mapped:124kB dirty:0kB writeback:44kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 29.631515] Node 0 DMA free:15908kB min:140kB low:172kB high:204kB active_anon:0kB inactive_anon:0kB 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 [ 29.657672] lowmem_reserve[]: 0 2943 7430 7430 [ 29.662283] Node 0 DMA32 free:44120kB min:26716kB low:33392kB high:40068kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:3015912kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 29.690800] lowmem_reserve[]: 0 0 4487 4487 [ 29.695212] Node 0 Normal free:40632kB min:40724kB low:50904kB high:61084kB active_anon:12192kB inactive_anon:136kB active_file:128kB inactive_file:568kB unevictable:0kB writepending:44kB present:4718592kB managed:4594860kB mlocked:0kB kernel_stack:1376kB pagetables:1240kB bounce:0kB free_pcp:372kB local_pcp:252kB free_cma:0kB [ 29.724300] lowmem_reserve[]: 0 0 0 0 [ 29.729950] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 29.743536] Node 0 DMA32: 2*4kB (M) 3*8kB (UM) 3*16kB (M) 2*32kB (UM) 3*64kB (UM) 5*128kB (UM) 3*256kB (UM) 5*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44240kB [ 29.758955] Node 0 Normal: 359*4kB (UME) 407*8kB (UME) 229*16kB (UME) 190*32kB (UME) 100*64kB (UME) 62*128kB (UME) 28*256kB (ME) 9*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 40548kB [ 29.775076] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 29.783644] 213 total pagecache pages [ 29.787435] 0 pages in swap cache [ 29.790875] Swap cache stats: add 0, delete 0, find 0/0 [ 29.796228] Free swap = 0kB [ 29.799233] Total swap = 0kB [ 29.802243] 1965979 pages RAM [ 29.805336] 0 pages HighMem/MovableOnly [ 29.809293] 59309 pages reserved [ 29.812654] Unreclaimable slab info: [ 29.816361] Name Used Total [ 29.821882] SCTPv6 1KB 3KB [ 29.827226] DCCPv6 2KB 6KB [ 29.832561] DCCP 2KB 6KB [ 29.837900] RAWv6 9KB 15KB [ 29.843237] TCPv6 2KB 5KB [ 29.848582] scsi_sense_cache 16KB 16KB [ 29.853918] sgpool-128 8KB 8KB [ 29.859253] mqueue_inode_cache 1KB 3KB [ 29.864674] nfs_read_data 30KB 30KB [ 29.870015] fsnotify_mark 3KB 7KB [ 29.875351] dio 2KB 7KB [ 29.880687] pid_namespace 6KB 11KB [ 29.886023] UNIX 52KB 65KB [ 29.891366] PING 1KB 3KB [ 29.896702] RAW 5KB 7KB [ 29.902037] UDP 7KB 14KB [ 29.907371] request_sock_TCP 0KB 3KB [ 29.912720] TCP 7KB 7KB [ 29.918079] hugetlbfs_inode_cache 0KB 3KB [ 29.923777] eventpoll_pwq 0KB 7KB [ 29.929117] eventpoll_epi 1KB 8KB [ 29.934452] request_queue 35KB 86KB [ 29.939790] blkdev_ioc 5KB 7KB [ 29.945128] biovec-(1<<(21-12)) 272KB 352KB [ 29.950638] biovec-128 28KB 28KB [ 29.955973] biovec-64 24KB 24KB [ 29.961309] bio_integrity_payload 14KB 15KB [ 29.966992] uid_cache 2KB 4KB [ 29.972332] dmaengine-unmap-2 250KB 252KB [ 29.977669] skbuff_fclone_cache 13KB 20KB [ 29.983177] file_lock_cache 1KB 3KB [ 29.988520] file_lock_ctx 0KB 3KB [ 29.993862] shmem_inode_cache 755KB 755KB [ 29.999207] task_delay_info 18KB 31KB [ 30.004544] sigqueue 0KB 7KB [ 30.009880] kernfs_node_cache 1313KB 1316KB [ 30.015216] mnt_cache 12KB 15KB [ 30.020558] filp 173KB 296KB [ 30.025910] names_cache 48KB 68KB [ 30.031263] avc_xperms_data 0KB 3KB [ 30.036617] selinux_file_security 4KB 7KB [ 30.042317] selinux_inode_security 1015KB 1118KB [ 30.048105] key_jar 4KB 7KB [ 30.053460] vm_area_struct 246KB 359KB [ 30.058810] mm_struct 30KB 70KB [ 30.064157] files_cache 35KB 102KB [ 30.069499] signal_cache 124KB 216KB [ 30.074840] sighand_cache 203KB 308KB [ 30.080192] task_struct 522KB 534KB [ 30.085549] cred_jar 41KB 98KB [ 30.090907] anon_vma 129KB 216KB [ 30.096256] pid 81KB 264KB [ 30.101595] Acpi-Operand 100KB 102KB [ 30.106932] Acpi-State 1KB 11KB [ 30.112269] Acpi-Namespace 14KB 19KB [ 30.117624] numa_policy 678KB 680KB [ 30.122971] trace_event_file 106KB 106KB [ 30.128310] ftrace_event_field 191KB 194KB [ 30.133742] pool_workqueue 69KB 96KB [ 30.139096] page->ptl 27KB 62KB [ 30.144462] kmalloc-1048576 2048KB 2048KB [ 30.149818] kmalloc-262144 1024KB 1024KB [ 30.155163] kmalloc-131072 640KB 640KB [ 30.160509] kmalloc-65536 256KB 256KB [ 30.165853] kmalloc-32768 32KB 32KB [ 30.171198] kmalloc-16384 96KB 96KB [ 30.176589] kmalloc-8192 144KB 144KB [ 30.181947] kmalloc-4096 836KB 840KB [ 30.187305] kmalloc-2048 1076KB 1100KB [ 30.192665] kmalloc-1024 493KB 504KB [ 30.198024] kmalloc-512 148KB 204KB [ 30.203389] kmalloc-256 442KB 444KB [ 30.208741] kmalloc-128 53KB 60KB [ 30.214092] kmalloc-96 182KB 208KB [ 30.219454] kmalloc-64 196KB 200KB [ 30.224798] kmalloc-32 394KB 399KB [ 30.230204] kmalloc-192 96KB 106KB [ 30.235556] kmem_cache 52KB 56KB [ 30.240905] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 30.249491] [ 1601] 0 1601 5407 192 86016 0 -1000 udevd [ 30.257626] [ 2831] 0 2831 2493 573 57344 0 0 dhclient [ 30.266034] [ 2962] 0 2962 30616 165 122880 0 0 rsyslogd [ 30.274424] [ 3013] 0 3013 4725 50 81920 0 0 cron [ 30.282462] [ 3041] 0 3041 3736 45 69632 0 0 mcstransd [ 30.290942] [ 3063] 0 3063 12490 152 147456 0 -1000 sshd [ 30.298996] [ 3087] 0 3087 3694 41 77824 0 0 getty [ 30.307134] [ 3088] 0 3088 3694 42 73728 0 0 getty [ 30.315254] [ 3089] 0 3089 3694 39 73728 0 0 getty [ 30.323373] [ 3090] 0 3090 3694 41 77824 0 0 getty [ 30.331508] [ 3091] 0 3091 3694 40 73728 0 0 getty [ 30.339643] [ 3092] 0 3092 3694 39 73728 0 0 getty [ 30.347777] [ 3093] 0 3093 3649 41 73728 0 0 getty [ 30.355909] [ 3095] 0 3095 5678 455 86016 0 -1000 udevd [ 30.364038] [ 3096] 0 3096 5678 455 86016 0 -1000 udevd [ 30.372158] [ 3115] 0 3115 17821 198 180224 0 0 sshd [ 30.380188] [ 3117] 0 3117 4383 513 45056 0 0 syzkaller593821 [ 30.389177] Out of memory: Kill process 2831 (dhclient) score 0 or sacrifice child [ 30.397027] Killed process 2831 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 30.511374] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 30.522833] rsyslogd cpuset=/ mems_allowed=0 [ 30.527311] CPU: 1 PID: 2966 Comm: rsyslogd Not tainted 4.15.0-rc3-next-20171214+ #67 [ 30.535249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.544567] Call Trace: [ 30.547124] dump_stack+0xe9/0x14b [ 30.550633] dump_header+0x82/0x342 [ 30.554228] ? trace_hardirqs_on+0xd/0x10 [ 30.558346] oom_kill_process+0x2d7/0x2e0 [ 30.562460] out_of_memory+0x47e/0x930 [ 30.566314] __alloc_pages_slowpath+0xc4d/0x1100 [ 30.571046] __alloc_pages_nodemask+0x33b/0x3b0 [ 30.575685] alloc_pages_current+0x7a/0x110 [ 30.579977] __page_cache_alloc+0x178/0x1e0 [ 30.584267] filemap_fault+0x28d/0xa70 [ 30.588130] ext4_filemap_fault+0x32/0x45 [ 30.592243] __do_fault+0x23/0xa4 [ 30.595661] __handle_mm_fault+0x10b5/0x1930 [ 30.600042] handle_mm_fault+0x215/0x450 [ 30.604070] __do_page_fault+0x337/0x6b0 [ 30.608101] do_page_fault+0x52/0x330 [ 30.611865] ? page_fault+0x36/0x60 [ 30.615458] page_fault+0x4c/0x60 [ 30.618875] RIP: 0033:0x7f6234b9f000 [ 30.622550] RSP: 002b:00007f6232846cf8 EFLAGS: 00010206 [ 30.627876] RAX: 00007f622c000b60 RBX: 00007f622c000c68 RCX: 00007f622c000000 [ 30.635109] RDX: 0000000002354e10 RSI: 0000000000000000 RDI: 00007f6232846d00 [ 30.642344] RBP: 00007f622c000c60 R08: 00007f622c000288 R09: 00007f6234c3b100 [ 30.649577] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 30.656812] R13: 00007f623407c5a3 R14: 0000000000000064 R15: 00007f623407b65a [ 30.664082] Mem-Info: [ 30.666492] active_anon:2464 inactive_anon:34 isolated_anon:0 [ 30.666492] active_file:16 inactive_file:178 isolated_file:0 [ 30.666492] unevictable:0 dirty:0 writeback:0 unstable:0 [ 30.666492] slab_reclaimable:3544 slab_unreclaimable:4266 [ 30.666492] mapped:25 shmem:40 pagetables:274 bounce:0 [ 30.666492] free:25169 free_pcp:0 free_cma:0 [ 30.698519] Node 0 active_anon:9856kB inactive_anon:136kB active_file:56kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:100kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 30.725397] Node 0 DMA free:15908kB min:140kB low:172kB high:204kB active_anon:0kB inactive_anon:0kB 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 [ 30.751630] lowmem_reserve[]: 0 2943 7430 7430 [ 30.756200] Node 0 DMA32 free:44240kB min:26716kB low:33392kB high:40068kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:3015912kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 30.783350] lowmem_reserve[]: 0 0 4487 4487 [ 30.787702] Node 0 Normal free:40640kB min:40724kB low:50904kB high:61084kB active_anon:9856kB inactive_anon:136kB active_file:68kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:4594860kB mlocked:0kB kernel_stack:1344kB pagetables:1096kB bounce:0kB free_pcp:628kB local_pcp:0kB free_cma:0kB [ 30.816335] lowmem_reserve[]: 0 0 0 0 [ 30.820131] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 30.833977] Node 0 DMA32: 2*4kB (M) 3*8kB (UM) 3*16kB (M) 2*32kB (UM) 3*64kB (UM) 5*128kB (UM) 3*256kB (UM) 5*512kB (UM) 3*1024kB (UM) 2*2048kB (M) 8*4096kB (M) = 44240kB [ 30.849363] Node 0 Normal: 443*4kB (UME) 392*8kB (UME) 221*16kB (UME) 182*32kB (UME) 101*64kB (ME) 60*128kB (UME) 29*256kB (ME) 8*512kB (M) 1*1024kB (M) 0*2048kB 0*4096kB = 40956kB [ 30.865586] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 30.874133] 94 total pagecache pages [ 30.877819] 0 pages in swap cache [ 30.881244] Swap cache stats: add 0, delete 0, find 0/0 [ 30.886594] Free swap = 0kB [ 30.889584] Total swap = 0kB [ 30.892574] 1965979 pages RAM [ 30.895649] 0 pages HighMem/MovableOnly [ 30.899596] 59309 pages reserved [ 30.902961] Unreclaimable slab info: [ 30.906672] Name Used Total [ 30.912196] SCTPv6 1KB 3KB [ 30.917533] DCCPv6 2KB 6KB [ 30.922870] DCCP 2KB 6KB [ 30.928212] RAWv6 9KB 15KB [ 30.933547] TCPv6 2KB 5KB [ 30.938885] scsi_sense_cache 16KB 16KB [ 30.944226] sgpool-128 8KB 8KB [ 30.949563] mqueue_inode_cache 1KB 3KB [ 30.954988] nfs_read_data 30KB 30KB [ 30.960330] fsnotify_mark 3KB 7KB [ 30.965666] dio 2KB 7KB [ 30.970999] pid_namespace 6KB 11KB [ 30.976341] UNIX 43KB 65KB [ 30.981675] PING 1KB 3KB [ 30.987017] RAW 5KB 7KB [ 30.992352] UDP 4KB 7KB [ 30.997687] request_sock_TCP 0KB 3KB [ 31.003028] TCP 7KB 7KB [ 31.008375] hugetlbfs_inode_cache 0KB 3KB [ 31.014073] eventpoll_pwq 0KB 7KB [ 31.019422] eventpoll_epi 1KB 8KB [ 31.024788] request_queue 32KB 64KB [ 31.030144] blkdev_ioc 5KB 7KB [ 31.035502] biovec-(1<<(21-12)) 272KB 352KB [ 31.041291] biovec-128 32KB 32KB [ 31.046642] biovec-64 28KB 28KB [ 31.051987] bio_integrity_payload 13KB 15KB [ 31.057693] uid_cache 2KB 4KB [ 31.063046] dmaengine-unmap-2 250KB 252KB [ 31.068397] skbuff_fclone_cache 13KB 20KB [ 31.073932] file_lock_cache 0KB 3KB [ 31.079431] file_lock_ctx 0KB 3KB [ 31.087973] shmem_inode_cache 753KB 755KB [ 31.099530] task_delay_info 15KB 31KB [ 31.104942] kernfs_node_cache 1313KB 1316KB [ 31.110297] mnt_cache 12KB 15KB [ 31.115663] filp 167KB 292KB [ 31.121018] names_cache 28KB 68KB [ 31.126369] avc_xperms_data 0KB 3KB [ 31.133038] selinux_file_security 4KB 7KB [ 31.138829] selinux_inode_security 1013KB 1118KB [ 31.144640] key_jar 4KB 7KB [ 31.149996] vm_area_struct 242KB 359KB [ 31.155373] mm_struct 27KB 63KB [ 31.160733] files_cache 26KB 102KB [ 31.166078] signal_cache 118KB 204KB [ 31.171423] sighand_cache 192KB 301KB [ 31.176768] task_struct 511KB 534KB [ 31.182118] cred_jar 37KB 94KB [ 31.187465] anon_vma 126KB 216KB [ 31.192810] pid 80KB 264KB [ 31.198169] Acpi-Operand 100KB 102KB [ 31.203511] Acpi-State 1KB 11KB [ 31.208858] Acpi-Namespace 14KB 19KB [ 31.214210] numa_policy 678KB 680KB [ 31.219555] trace_event_file 106KB 106KB [ 31.224898] ftrace_event_field 191KB 194KB [ 31.230355] pool_workqueue 69KB 96KB [ 31.235698] page->ptl 26KB 62KB [ 31.241053] kmalloc-1048576 2048KB 2048KB [ 31.246395] kmalloc-262144 1024KB 1024KB [ 31.251731] kmalloc-131072 640KB 640KB [ 31.257076] kmalloc-65536 256KB 256KB [ 31.262422] kmalloc-32768 32KB 32KB [ 31.267760] kmalloc-16384 96KB 96KB [ 31.273106] kmalloc-8192 136KB 144KB [ 31.278446] kmalloc-4096 836KB 840KB [ 31.283781] kmalloc-2048 1066KB 1100KB [ 31.289125] kmalloc-1024 493KB 496KB [ 31.294468] kmalloc-512 141KB 204KB [ 31.299811] kmalloc-256 441KB 444KB [ 31.305158] kmalloc-128 50KB 60KB [ 31.310502] kmalloc-96 182KB 208KB [ 31.315847] kmalloc-64 196KB 200KB [ 31.321201] kmalloc-32 394KB 399KB [ 31.326591] kmalloc-192 96KB 106KB [ 31.331938] kmem_cache 52KB 56KB [ 31.337293] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 31.345891] [ 1601] 0 1601 5407 192 86016 0 -1000 udevd [ 31.354053] [ 2962] 0 2962 30616 165 122880 0 0 rsyslogd [ 31.362438] [ 3013] 0 3013 4725 50 81920 0 0 cron [ 31.370480] [ 3041] 0 3041 3736 45 69632 0 0 mcstransd [ 31.378961] [ 3063] 0 3063 12490 152 147456 0 -1000 sshd [ 31.387030] [ 3087] 0 3087 3694 41 77824 0 0 getty [ 31.395158] [ 3088] 0 3088 3694 42 73728 0 0 getty [ 31.403288] [ 3089] 0 3089 3694 39 73728 0 0 getty [ 31.411421] [ 3090] 0 3090 3694 41 77824 0 0 getty [ 31.419553] [ 3091] 0 3091 3694 40 73728 0 0 getty [ 31.427685] [ 3092] 0 3092 3694 39 73728 0 0 getty [ 31.435821] [ 3093] 0 3093 3649 41 73728 0 0 getty [ 31.443955] [ 3095] 0 3095 5678 455 86016 0 -1000 udevd [ 31.452090] [ 3096] 0 3096 5678 455 86016 0 -1000 udevd [ 31.460214] [ 3115] 0 3115 17821 198 180224 0 0 sshd [ 31.468252] [ 3117] 0 3117 4383 513 45056 0 0 syzkaller593821 [ 31.477253] Out of memory: Kill process 3117 (syzkaller593821) score 0 or sacrifice child [ 31.485596] Killed process 3117 (syzkaller593821) total-vm:17532kB, anon-rss:2052kB, file-rss:0kB, shmem-rss:0kB [ 31.499077] syzkaller593821: page allocation failure: order:0, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 31.508912] syzkaller593821 cpuset=/ mems_allowed=0 [ 31.513958] CPU: 0 PID: 3117 Comm: syzkaller593821 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 31.522501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.531820] Call Trace: [ 31.534376] dump_stack+0xe9/0x14b [ 31.537887] warn_alloc+0xb6/0x130 [ 31.541401] __alloc_pages_slowpath+0x10bb/0x1100 [ 31.546224] __alloc_pages_nodemask+0x33b/0x3b0 [ 31.550864] alloc_pages_current+0x7a/0x110 [ 31.555155] relay_open_buf.part.10+0x138/0x390 [ 31.559792] relay_open+0x1ea/0x3a0 [ 31.563391] do_blk_trace_setup+0x1af/0x390 [ 31.567679] __blk_trace_setup+0x54/0xb0 [ 31.571714] blk_trace_setup+0x4d/0x70 [ 31.575572] sg_ioctl+0x526/0xff0 [ 31.578993] ? _cond_resched+0x14/0x30 [ 31.582852] ? selinux_file_ioctl+0x152/0x210 [ 31.587313] ? sg_new_write.isra.21+0x3f0/0x3f0 [ 31.591948] do_vfs_ioctl+0xaf/0x840 [ 31.595631] ? security_file_ioctl+0x51/0x80 [ 31.600009] ? security_file_ioctl+0x5d/0x80 [ 31.604395] SyS_ioctl+0x8f/0xc0 [ 31.607730] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 31.612450] RIP: 0033:0x443eb9 [ 31.615606] RSP: 002b:00007ffdf5b7ec58 EFLAGS: 00000202 ORIG_RAX: 0000000000000010 [ 31.623281] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000443eb9 [ 31.630516] RDX: 000000002098f000 RSI: 00000000c0481273 RDI: 0000000000000003 [ 31.637751] RBP: 00000000c0481273 R08: 0000000000000000 R09: 0000000000000000 [ 31.644988] R10: 0000000000000000 R11: 0000000000000202 R12: 2367732f7665642f [ 31.652226] R13: 0000000000401c30 R14: 0000000000000000 R15: 0000000000000000 [ 31.659584] Mem-Info: Connection to ci-upstream-next-kasan-gce-3 closed by remote host. [ 31.662351] active_anon:1943 inactive_anon:3