[....] Starting enhanced syslogd: rsyslogd[ 10.974603] audit: type=1400 audit(1514381134.353:5): avc: denied { syslog } for pid=2995 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 17.613852] audit: type=1400 audit(1514381140.992:6): avc: denied { map } for pid=3136 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 '10.128.0.2' (ECDSA) to the list of known hosts. net.ipv6.conf.syz7.accept_dad = 0 net.ipv6.conf.syz5.accept_dad = 0 [ 23.796754] audit: type=1400 audit(1514381147.175:7): avc: denied { map } for pid=3150 comm="syzkaller877769" path="/root/syzkaller877769859" 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 net.ipv6.conf.syz6.accept_dad = 0 net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz1.accept_dad = 0 net.ipv6.conf.syz2.accept_dad = 0 net.ipv6.conf.syz4.accept_dad = 0 net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz7.router_solicitations = 0 net.ipv6.conf.syz1.router_solicitations = 0 net.ipv6.conf.syz2.router_solicitations = 0 net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz6.router_solicitations = 0 net.ipv6.conf.syz3.router_solicitations = 0 net.ipv6.conf.syz4.router_solicitations = 0 net.ipv6.conf.syz0.router_solicitations = 0 [ 24.285812] audit: type=1400 audit(1514381147.664:8): avc: denied { sys_admin } for pid=3152 comm="syzkaller877769" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 executing program [ 24.396383] audit: type=1400 audit(1514381147.775:9): avc: denied { sys_chroot } for pid=3326 comm="syzkaller877769" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 24.422464] audit: type=1400 audit(1514381147.775:10): avc: denied { net_admin } for pid=3358 comm="syzkaller877769" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 executing program [ 26.269777] oom_reaper: reaped process 3359 (syzkaller877769), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 26.283603] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 26.295052] rsyslogd cpuset=/ mems_allowed=0 [ 26.299686] CPU: 1 PID: 3000 Comm: rsyslogd Not tainted 4.15.0-rc4+ #166 [ 26.306503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.315922] Call Trace: [ 26.318499] dump_stack+0x194/0x257 [ 26.320264] syzkaller877769: vmalloc: allocation failure, allocated 4257009664 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 26.320275] syzkaller877769 cpuset=/ mems_allowed=0 [ 26.340073] ? arch_local_irq_restore+0x53/0x53 [ 26.344724] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 26.349901] dump_header+0x28c/0xe1e [ 26.353602] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 26.359466] ? pagefault_out_of_memory+0x152/0x152 [ 26.364379] ? print_irqtrace_events+0x270/0x270 [ 26.369116] ? __lock_acquire+0x664/0x3e00 [ 26.373334] ? check_noncircular+0x20/0x20 [ 26.377559] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 26.382725] ? __lock_acquire+0x664/0x3e00 [ 26.386936] ? check_noncircular+0x20/0x20 [ 26.391146] ? task_will_free_mem+0x252/0xaa0 [ 26.395626] ? print_irqtrace_events+0x270/0x270 [ 26.400365] ? ___ratelimit+0x30d/0x630 [ 26.404320] ? lock_downgrade+0x980/0x980 [ 26.408448] ? lock_release+0xa40/0xa40 [ 26.412403] ? mark_held_locks+0xaf/0x100 [ 26.416528] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 26.421608] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.426601] ? trace_hardirqs_on+0xd/0x10 [ 26.430728] ? ___ratelimit+0x95/0x630 [ 26.434591] ? idr_get_free_cmn+0xfd0/0xfd0 [ 26.438887] ? check_noncircular+0x20/0x20 [ 26.443092] ? find_held_lock+0x138/0x1d0 [ 26.447225] oom_kill_process+0x8b5/0x14a0 [ 26.451460] ? has_ns_capability_noaudit+0x163/0x2a0 [ 26.456542] ? lock_downgrade+0x980/0x980 [ 26.460677] ? oom_evaluate_task+0x480/0x480 [ 26.465064] ? cap_capable+0x1b5/0x230 [ 26.468937] ? security_capable_noaudit+0x8b/0xc0 [ 26.473759] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 26.478841] ? has_capability+0x30/0x30 [ 26.482791] ? do_raw_spin_trylock+0x190/0x190 [ 26.487349] ? check_noncircular+0x20/0x20 [ 26.491569] ? has_capability_noaudit+0x24/0x30 [ 26.496213] ? oom_badness+0xd1/0x980 [ 26.499991] ? lock_release+0xa40/0xa40 [ 26.503941] ? do_try_to_free_pages+0xc53/0x1020 [ 26.508850] ? find_lock_task_mm+0x460/0x460 [ 26.513243] ? find_held_lock+0x35/0x1d0 [ 26.517293] ? out_of_memory+0xb3a/0x1220 [ 26.521422] ? lock_downgrade+0x980/0x980 [ 26.525553] ? lock_release+0xa40/0xa40 [ 26.529501] ? lock_acquire+0x1d5/0x580 [ 26.533886] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 26.538802] ? oom_evaluate_task+0x284/0x480 [ 26.543191] out_of_memory+0x86d/0x1220 [ 26.547167] ? oom_killer_disable+0x310/0x310 [ 26.551636] ? mutex_trylock+0x23a/0x2d0 [ 26.555671] ? __lock_is_held+0xb6/0x140 [ 26.559706] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 26.565148] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 26.570005] ? warn_alloc+0x2b0/0x2b0 [ 26.573781] ? lock_downgrade+0x980/0x980 [ 26.577916] ? radix_tree_lookup_slot+0x99/0xe0 [ 26.582579] ? find_get_entry+0x53c/0x9e0 [ 26.586700] ? lock_downgrade+0x980/0x980 [ 26.590854] ? __lock_acquire+0x664/0x3e00 [ 26.595083] ? __lock_is_held+0xb6/0x140 [ 26.599139] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 26.605015] ? __might_sleep+0x95/0x190 [ 26.608975] __alloc_pages_nodemask+0x9fb/0xd80 [ 26.613628] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 26.618619] ? add_to_page_cache_lru+0x510/0x510 [ 26.623361] ? check_noncircular+0x20/0x20 [ 26.627569] ? check_noncircular+0x20/0x20 [ 26.631790] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 26.637343] alloc_pages_current+0xb6/0x1e0 [ 26.642515] __page_cache_alloc+0x334/0x500 [ 26.646814] ? rcu_read_lock_held+0xa9/0xc0 [ 26.651113] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 26.658464] filemap_fault+0xefc/0x1c20 [ 26.662413] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 26.667592] ? __lock_page_or_retry+0x4f0/0x4f0 [ 26.672245] ? filemap_map_pages+0x942/0x15d0 [ 26.676733] ? find_get_entries_tag+0xeb0/0xeb0 [ 26.681381] ? __is_insn_slot_addr+0x1fc/0x330 [ 26.685937] ? lock_downgrade+0x980/0x980 [ 26.690066] ? check_noncircular+0x20/0x20 [ 26.694279] ? find_held_lock+0x35/0x1d0 [ 26.698321] ? print_irqtrace_events+0x270/0x270 [ 26.703057] ? print_irqtrace_events+0x270/0x270 [ 26.707797] ? is_bpf_text_address+0x7b/0x120 [ 26.712270] ? lock_downgrade+0x980/0x980 [ 26.717104] ? lock_acquire+0x1d5/0x580 [ 26.721053] ? lock_acquire+0x1d5/0x580 [ 26.725005] ? ext4_filemap_fault+0x7a/0xad [ 26.729304] ? __lock_acquire+0x664/0x3e00 [ 26.733519] ? lock_release+0xa40/0xa40 [ 26.737467] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 26.743325] ? is_bpf_text_address+0xa4/0x120 [ 26.747798] ? rcu_note_context_switch+0x710/0x710 [ 26.752709] ? __might_sleep+0x95/0x190 [ 26.756665] ? down_read+0x96/0x150 [ 26.760264] ? ext4_filemap_fault+0x7a/0xad [ 26.764563] ? __down_interruptible+0x6b0/0x6b0 [ 26.769212] ? do_syslog+0x8b5/0xb80 [ 26.772907] ext4_filemap_fault+0x82/0xad [ 26.777031] __do_fault+0xeb/0x30f [ 26.780543] ? vfs_read+0x11e/0x350 [ 26.784144] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 26.789049] ? pte_offset_kernel+0xc7/0xc7 [ 26.793266] ? check_noncircular+0x20/0x20 [ 26.797482] ? check_noncircular+0x20/0x20 [ 26.801700] __handle_mm_fault+0x1d8f/0x3ce0 [ 26.806091] ? __pmd_alloc+0x4e0/0x4e0 [ 26.809964] ? find_held_lock+0x35/0x1d0 [ 26.814012] ? handle_mm_fault+0x248/0x8d0 [ 26.818229] ? lock_downgrade+0x980/0x980 [ 26.822387] handle_mm_fault+0x334/0x8d0 [ 26.826422] ? down_read_trylock+0xdb/0x170 [ 26.830719] ? __do_page_fault+0x32d/0xc90 [ 26.834929] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 26.840266] ? vmacache_find+0x5f/0x280 [ 26.844226] ? vmacache_update+0xfe/0x130 [ 26.848354] ? find_vma+0x30/0x150 [ 26.851879] __do_page_fault+0x5c9/0xc90 [ 26.855922] ? vfs_copy_file_range+0x940/0x940 [ 26.860488] ? mm_fault_error+0x2c0/0x2c0 [ 26.864613] ? avc_policy_seqno+0x9/0x20 [ 26.868662] do_page_fault+0xee/0x720 [ 26.872439] ? __do_page_fault+0xc90/0xc90 [ 26.876665] ? fput+0xd2/0x140 [ 26.879834] ? SyS_read+0x184/0x220 [ 26.883437] ? entry_SYSCALL_64_fastpath+0x4b/0x96 [ 26.888342] ? page_fault+0x36/0x60 [ 26.891946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.896767] ? page_fault+0x36/0x60 [ 26.900369] page_fault+0x4c/0x60 [ 26.903797] RIP: 0033:0x7fcd050af1fd [ 26.907481] RSP: 002b:00007fcd0264ee30 EFLAGS: 00010293 [ 26.912826] RAX: 0000000000000073 RBX: 0000000001db2170 RCX: 00007fcd050af1fd [ 26.920070] RDX: 0000000000000fff RSI: 00007fcd03e835a0 RDI: 0000000000000004 [ 26.929748] RBP: 0000000000000000 R08: 0000000001d9d260 R09: 0000000000000000 [ 26.937601] R10: 0000000000000010 R11: 0000000000000293 R12: 000000000065e420 [ 26.944845] R13: 00007fcd0264f9c0 R14: 00007fcd056f4040 R15: 0000000000000003 [ 26.952119] CPU: 0 PID: 3359 Comm: syzkaller877769 Not tainted 4.15.0-rc4+ #166 [ 26.952237] Mem-Info: [ 26.952255] active_anon:6397 inactive_anon:33 isolated_anon:0 [ 26.952255] active_file:46 inactive_file:0 isolated_file:0 [ 26.952255] unevictable:0 dirty:0 writeback:0 unstable:0 [ 26.952255] slab_reclaimable:7356 slab_unreclaimable:85415 [ 26.952255] mapped:8 shmem:40 pagetables:500 bounce:0 [ 26.952255] free:15813 free_pcp:60 free_cma:0 [ 26.952272] Node 0 active_anon:25588kB inactive_anon:132kB active_file:184kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 18432kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 26.952275] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 26.952291] lowmem_reserve[]: 0 2881 6394 6394 [ 26.952305] Node 0 DMA32 free:29148kB min:30380kB low:37972kB high:45564kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2953012kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 26.952321] lowmem_reserve[]: 0 0 3512 3512 [ 26.952333] Node 0 Normal free:18196kB min:37036kB low:46292kB high:55548kB active_anon:25588kB inactive_anon:132kB active_file:92kB inactive_file:92kB unevictable:0kB writepending:0kB present:4718592kB managed:3596988kB mlocked:0kB kernel_stack:3552kB pagetables:2000kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 26.952349] lowmem_reserve[]: 0 0 0 0 [ 26.952362] 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 [ 26.952444] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 5*4096kB (M) = 29148kB [ 26.952503] Node 0 Normal: 385*4kB (MH) 296*8kB (UM) 188*16kB (UMH) 103*32kB (UMH) 47*64kB (UM) 22*128kB (UM) 5*256kB (UM) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 18340kB [ 26.952561] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 26.952564] 97 total pagecache pages [ 26.952573] 0 pages in swap cache [ 26.952578] Swap cache stats: add 0, delete 0, find 0/0 [ 26.952580] Free swap = 0kB [ 26.952583] Total swap = 0kB [ 26.952586] 1965979 pages RAM [ 26.952588] 0 pages HighMem/MovableOnly [ 26.952591] 324502 pages reserved [ 26.952637] Unreclaimable slab info: [ 26.952661] Name Used Total [ 26.952701] pid_2 4KB 4KB [ 26.952707] hashtab_node 118KB 119KB [ 26.952711] ebitmap_node 448KB 448KB [ 26.952717] avtab_node 1012KB 1013KB [ 26.952723] TIPC 7KB 7KB [ 26.952732] SCTPv6 8KB 8KB [ 26.952740] DCCPv6 14KB 14KB [ 26.952747] DCCP 13KB 13KB [ 26.952766] fib6_nodes 12KB 12KB [ 26.952771] ip6_dst_cache 41KB 41KB [ 26.952777] RAWv6 39KB 39KB [ 26.952783] UDPv6 14KB 14KB [ 26.952789] TCPv6 2KB 5KB [ 26.952801] sd_ext_cdb 0KB 3KB [ 26.952806] scsi_sense_cache 100KB 156KB [ 26.952811] virtio_scsi_cmd 16KB 16KB [ 26.952819] sgpool-128 8KB 8KB [ 26.952823] sgpool-64 4KB 6KB [ 26.952828] sgpool-32 63KB 63KB [ 26.952833] sgpool-16 30KB 30KB [ 26.952838] sgpool-8 177KB 225KB [ 26.952845] cfq_io_cq 14KB 15KB [ 26.952849] cfq_queue 22KB 27KB [ 26.952855] mqueue_inode_cache 14KB 14KB [ 26.952862] nfs_commit_data 3KB 7KB [ 26.952867] nfs_write_data 34KB 37KB [ 26.952874] jbd2_inode 1KB 3KB [ 26.952880] ext4_system_zone 0KB 3KB [ 26.952893] bio-1 1KB 3KB [ 26.952898] pid_namespace 7KB 7KB [ 26.952908] rpc_buffers 17KB 19KB [ 26.952913] rpc_tasks 2KB 3KB [ 26.952918] UNIX 983KB 1050KB [ 26.952926] tcp_bind_bucket 2KB 4KB [ 26.952933] ip_fib_trie 2KB 3KB [ 26.952938] ip_fib_alias 3KB 3KB [ 26.952942] ip_dst_cache 8KB 8KB [ 26.952948] RAW 35KB 35KB [ 26.952953] UDP 39KB 39KB [ 26.952958] request_sock_TCP 0KB 3KB [ 26.952963] TCP 23KB 23KB [ 26.952968] hugetlbfs_inode_cache 1KB 7KB [ 26.952974] eventpoll_pwq 13KB 15KB [ 26.952979] eventpoll_epi 26KB 27KB [ 26.952984] inotify_inode_mark 3KB 7KB [ 26.952990] request_queue 76KB 158KB [ 26.952996] blkdev_ioc 19KB 27KB [ 26.953004] bio-0 300KB 300KB [ 26.953030] biovec-(1<<(21-12)) 412KB 412KB [ 26.953037] biovec-64 102KB 102KB [ 26.953042] biovec-16 15KB 18KB [ 26.953047] bio_integrity_payload 0KB 4KB [ 26.953052] khugepaged_mm_slot 0KB 3KB [ 26.953059] user_namespace 11KB 11KB [ 26.953064] uid_cache 1KB 3KB [ 26.953070] dmaengine-unmap-2 0KB 3KB [ 26.953075] audit_buffer 3KB 3KB [ 26.953080] skbuff_fclone_cache 138KB 138KB [ 26.953085] skbuff_head_cache 1674KB 1691KB [ 26.953089] configfs_dir_cache 0KB 4KB [ 26.953094] file_lock_cache 158KB 158KB [ 26.953099] file_lock_ctx 1KB 3KB [ 26.953104] fsnotify_mark_connector 2KB 3KB [ 26.953109] net_namespace 53KB 53KB [ 26.953114] shmem_inode_cache 906KB 906KB [ 26.953119] task_delay_info 323KB 422KB [ 26.953124] taskstats 3KB 3KB [ 26.953129] sigqueue 334KB 334KB [ 26.953134] kernfs_node_cache 2134KB 2134KB [ 26.953139] mnt_cache 76KB 76KB [ 26.953144] filp 8681KB 8718KB [ 26.953149] names_cache 112034KB 112038KB [ 26.953158] avc_node 47KB 47KB [ 26.953163] selinux_file_security 437KB 437KB [ 26.953168] selinux_inode_security 1940KB 1940KB [ 26.953173] key_jar 3KB 7KB [ 26.953177] nsproxy 7KB 7KB [ 26.953182] vm_area_struct 16594KB 16830KB [ 26.953187] mm_struct 3784KB 3910KB [ 26.953192] fs_cache 418KB 504KB [ 26.953197] files_cache 1522KB 1635KB [ 26.953202] signal_cache 2363KB 2537KB [ 26.953207] sighand_cache 339KB 339KB [ 26.953212] task_struct 9346KB 9401KB [ 26.953217] cred_jar 2260KB 2308KB [ 26.953221] anon_vma_chain 6729KB 6894KB [ 26.953226] anon_vma 331KB 331KB [ 26.953230] pid 230KB 292KB [ 26.953235] Acpi-Operand 116KB 170KB [ 26.953240] Acpi-ParseExt 0KB 7KB [ 26.953244] Acpi-Parse 8KB 19KB [ 26.953249] Acpi-State 10KB 23KB [ 26.953254] Acpi-Namespace 19KB 23KB [ 26.953263] numa_policy 0KB 3KB [ 26.953268] debug_objects_cache 493KB 493KB [ 26.953273] trace_event_file 144KB 147KB [ 26.953278] ftrace_event_field 254KB 255KB [ 26.953283] pool_workqueue 28KB 28KB [ 26.953289] page->ptl 2775KB 2917KB [ 26.953312] kmalloc-262144 1032KB 1032KB [ 26.953317] kmalloc-131072 650KB 650KB [ 26.953322] kmalloc-65536 264KB 264KB [ 26.953327] kmalloc-32768 3630KB 3630KB [ 26.953331] kmalloc-16384 594KB 594KB [ 26.953336] kmalloc-8192 775KB 775KB [ 26.953341] kmalloc-4096 11985KB 11985KB [ 26.953346] kmalloc-2048 3563KB 3563KB [ 26.953350] kmalloc-1024 3294KB 3378KB [ 26.953355] kmalloc-512 2812KB 3112KB [ 26.953360] kmalloc-256 2058KB 2058KB [ 26.953364] kmalloc-128 426KB 511KB [ 26.953369] kmalloc-96 352KB 436KB [ 26.953373] kmalloc-64 728KB 844KB [ 26.953378] kmalloc-32 1836KB 2173KB [ 26.953431] kmalloc-192 207KB 228KB [ 26.953436] kmem_cache 105KB 105KB [ 26.953440] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 26.953493] [ 1605] 0 1605 5366 168 86016 0 -1000 udevd [ 26.953520] [ 2861] 0 2861 2493 574 57344 0 0 dhclient [ 26.953531] [ 2995] 0 2995 14265 174 114688 0 0 rsyslogd [ 26.953540] [ 3054] 0 3054 4725 51 86016 0 0 cron [ 26.953551] [ 3062] 0 3062 12927 1227 135168 0 0 restorecond [ 26.953561] [ 3065] 0 3065 3736 45 69632 0 0 mcstransd [ 26.953571] [ 3094] 0 3094 12490 153 139264 0 -1000 sshd [ 26.953582] [ 3122] 0 3122 3694 42 77824 0 0 getty [ 26.953592] [ 3123] 0 3123 3694 42 73728 0 0 getty [ 26.953602] [ 3124] 0 3124 3694 40 77824 0 0 getty [ 26.953612] [ 3125] 0 3125 3694 41 73728 0 0 getty [ 26.953623] [ 3126] 0 3126 3694 40 73728 0 0 getty [ 26.953633] [ 3127] 0 3127 3694 41 69632 0 0 getty [ 26.953642] [ 3128] 0 3128 3649 39 73728 0 0 getty [ 26.953652] [ 3130] 0 3130 5680 456 86016 0 -1000 udevd [ 26.953662] [ 3131] 0 3131 5680 456 86016 0 -1000 udevd [ 26.953673] [ 3147] 0 3147 17821 197 180224 0 0 sshd [ 26.953683] [ 3150] 0 3150 593 1 36864 0 0 syzkaller877769 [ 26.953694] [ 3151] 0 3151 593 14 36864 0 0 syzkaller877769 [ 26.953704] [ 3152] 0 3152 593 14 36864 0 0 syzkaller877769 [ 26.953714] [ 3153] 0 3153 593 14 36864 0 0 syzkaller877769 [ 26.953725] [ 3154] 0 3154 593 14 36864 0 0 syzkaller877769 [ 26.953735] [ 3155] 0 3155 593 14 36864 0 0 syzkaller877769 [ 26.953746] [ 3156] 0 3156 593 14 36864 0 0 syzkaller877769 [ 26.953757] [ 3157] 0 3157 593 14 36864 0 0 syzkaller877769 [ 26.953767] [ 3158] 0 3158 593 14 36864 0 0 syzkaller877769 [ 26.953777] [ 3161] 0 3161 5365 169 81920 0 -1000 udevd [ 26.953788] [ 3163] 0 3163 5365 169 81920 0 -1000 udevd [ 26.953798] [ 3168] 0 3168 5365 170 81920 0 -1000 udevd [ 26.953809] [ 3171] 0 3171 5365 170 81920 0 -1000 udevd [ 26.953819] [ 3173] 0 3173 5365 170 81920 0 -1000 udevd [ 26.953829] [ 3178] 0 3178 5365 167 81920 0 -1000 udevd [ 26.953839] [ 3186] 0 3186 5365 167 81920 0 -1000 udevd [ 26.953850] [ 3326] 0 3326 593 15 36864 0 0 syzkaller877769 [ 26.953860] [ 3332] 0 3332 593 15 36864 0 0 syzkaller877769 [ 26.953870] [ 3347] 0 3347 593 15 36864 0 0 syzkaller877769 [ 26.953880] [ 3353] 0 3353 593 15 36864 0 0 syzkaller877769 [ 26.953889] [ 3354] 0 3354 593 15 36864 0 0 syzkaller877769 [ 26.953900] [ 3355] 0 3355 593 15 36864 0 0 syzkaller877769 [ 26.953910] [ 3356] 0 3356 593 15 36864 0 0 syzkaller877769 [ 26.953920] [ 3357] 0 3357 593 15 36864 0 0 syzkaller877769 [ 26.953931] [ 3359] 0 3358 4721 0 49152 0 0 syzkaller877769 [ 26.953942] [ 3362] 0 3361 4721 2066 65536 0 0 syzkaller877769 [ 26.953948] Out of memory: Kill process 3361 (syzkaller877769) score 1 or sacrifice child [ 26.954091] Killed process 3362 (syzkaller877769) total-vm:18884kB, anon-rss:8264kB, file-rss:0kB, shmem-rss:0kB [ 26.984897] oom_reaper: reaped process 3362 (syzkaller877769), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 26.986007] syzkaller877769 invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 26.986028] syzkaller877769 cpuset=/ mems_allowed=0 [ 28.266261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.275935] Call Trace: [ 28.279027] dump_stack+0x194/0x257 [ 28.282635] ? arch_local_irq_restore+0x53/0x53 [ 28.287287] ? idr_get_free_cmn+0xfd0/0xfd0 [ 28.291603] warn_alloc+0x19a/0x2b0 [ 28.295211] ? zone_watermark_ok_safe+0x400/0x400 [ 28.300044] ? rcu_note_context_switch+0x710/0x710 [ 28.304969] __vmalloc_node_range+0x482/0x650 [ 28.309456] ? xt_alloc_table_info+0x64/0xe0 [ 28.313838] __vmalloc_node_flags_caller+0x50/0x60 [ 28.318760] ? xt_alloc_table_info+0x64/0xe0 [ 28.323159] kvmalloc_node+0x82/0xd0 [ 28.326856] xt_alloc_table_info+0x64/0xe0 [ 28.331070] do_ipt_set_ctl+0x29b/0x5f0 [ 28.335027] ? translate_compat_table+0x1b90/0x1b90 [ 28.340039] ? mutex_unlock+0xd/0x10 [ 28.343727] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 28.348989] nf_setsockopt+0x67/0xc0 [ 28.352684] ip_setsockopt+0xa1/0xb0 [ 28.356377] tcp_setsockopt+0x82/0xd0 [ 28.360160] sock_common_setsockopt+0x95/0xd0 [ 28.364639] SyS_setsockopt+0x189/0x360 [ 28.368597] ? SyS_recv+0x40/0x40 [ 28.372032] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 28.376855] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.382125] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.386870] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 28.391598] RIP: 0033:0x44c9c9 [ 28.394764] RSP: 002b:00007f5eb22d2ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 28.402446] RAX: ffffffffffffffda RBX: 00000000006f0024 RCX: 000000000044c9c9 [ 28.409688] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000004 [ 28.416931] RBP: 00000000006f0020 R08: 0000000000000004 R09: 0000000000000000 [ 28.424173] R10: 0000000020000ffc R11: 0000000000000246 R12: 0000000000000000 [ 28.431415] R13: 00000000007ff97f R14: 00007f5eb22d39c0 R15: 0000000000000001 [ 28.438689] CPU: 1 PID: 3347 Comm: syzkaller877769 Not tainted 4.15.0-rc4+ #166 [ 28.439090] Mem-Info: [ 28.439109] active_anon:4337 inactive_anon:33 isolated_anon:0 [ 28.439109] active_file:36 inactive_file:7 isolated_file:0 [ 28.439109] unevictable:0 dirty:0 writeback:0 unstable:0 [ 28.439109] slab_reclaimable:7356 slab_unreclaimable:85415 [ 28.439109] mapped:2 shmem:40 pagetables:496 bounce:0 [ 28.439109] free:17902 free_pcp:76 free_cma:0 [ 28.439122] Node 0 active_anon:17348kB inactive_anon:132kB active_file:144kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 28.439125] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 28.439140] lowmem_reserve[]: 0 2881 6394 6394 [ 28.439152] Node 0 DMA32 free:29148kB min:30380kB low:37972kB high:45564kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2953012kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 28.439168] lowmem_reserve[]: 0 0 3512 3512 [ 28.439180] Node 0 Normal free:26552kB min:37036kB low:46292kB high:55548kB active_anon:17348kB inactive_anon:132kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3596988kB mlocked:0kB kernel_stack:3552kB pagetables:1984kB bounce:0kB free_pcp:184kB local_pcp:120kB free_cma:0kB [ 28.439195] lowmem_reserve[]: 0 0 0 0 [ 28.439206] 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 [ 28.439257] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 3*32kB (UM) 3*64kB (M) 3*128kB (UM) 3*256kB (M) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 5*4096kB (M) = 29148kB [ 28.439312] Node 0 Normal: 390*4kB (UMH) 296*8kB (UM) 188*16kB (UMH) 103*32kB (UMH) 47*64kB (UM) 22*128kB (UM) 5*256kB (UM) 0*512kB 1*1024kB (H) 0*2048kB 2*4096kB (M) = 26552kB [ 28.439368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 28.439371] 89 total pagecache pages [ 28.439379] 0 pages in swap cache [ 28.439383] Swap cache stats: add 0, delete 0, find 0/0 [ 28.439385] Free swap = 0kB [ 28.439388] Total swap = 0kB [ 28.439391] 1965979 pages RAM [ 28.439393] 0 pages HighMem/MovableOnly [ 28.439395] 324502 pages reserved [ 28.683934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.693258] Call Trace: [ 28.695823] dump_stack+0x194/0x257 [ 28.699423] ? arch_local_irq_restore+0x53/0x53 [ 28.704065] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 28.709237] dump_header+0x28c/0xe1e [ 28.712926] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 28.718090] ? pagefault_out_of_memory+0x152/0x152 [ 28.722996] ? print_irqtrace_events+0x270/0x270 [ 28.727730] ? __lock_acquire+0x664/0x3e00 [ 28.731936] ? check_noncircular+0x20/0x20 [ 28.736149] ? print_irqtrace_events+0x270/0x270 [ 28.740876] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 28.746033] ? __lock_acquire+0x664/0x3e00 [ 28.750238] ? check_noncircular+0x20/0x20 [ 28.754441] ? task_will_free_mem+0x252/0xaa0 [ 28.758909] ? print_irqtrace_events+0x270/0x270 [ 28.763643] ? ___ratelimit+0x30d/0x630 [ 28.767586] ? lock_downgrade+0x980/0x980 [ 28.771708] ? lock_release+0xa40/0xa40 [ 28.775656] ? mark_held_locks+0xaf/0x100 [ 28.779775] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 28.784849] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.789843] ? trace_hardirqs_on+0xd/0x10 [ 28.793961] ? ___ratelimit+0x95/0x630 [ 28.797819] ? idr_get_free_cmn+0xfd0/0xfd0 [ 28.802108] ? check_noncircular+0x20/0x20 [ 28.806309] ? find_held_lock+0x138/0x1d0 [ 28.810433] oom_kill_process+0x8b5/0x14a0 [ 28.814643] ? has_ns_capability_noaudit+0x163/0x2a0 [ 28.819718] ? check_noncircular+0x20/0x20 [ 28.823925] ? oom_evaluate_task+0x480/0x480 [ 28.828308] ? cap_capable+0x1b5/0x230 [ 28.832171] ? security_capable_noaudit+0x8b/0xc0 [ 28.836990] ? find_held_lock+0x35/0x1d0 [ 28.841032] ? check_noncircular+0x20/0x20 [ 28.845236] ? oom_unkillable_task+0x394/0x4c0 [ 28.849789] ? lock_downgrade+0x980/0x980 [ 28.853911] ? lock_release+0xa40/0xa40 [ 28.857853] ? do_try_to_free_pages+0xc53/0x1020 [ 28.862591] ? find_lock_task_mm+0x460/0x460 [ 28.866975] ? find_held_lock+0x35/0x1d0 [ 28.871019] ? out_of_memory+0xb3a/0x1220 [ 28.875140] ? lock_downgrade+0x980/0x980 [ 28.879268] ? lock_release+0xa40/0xa40 [ 28.883209] ? lock_acquire+0x1d5/0x580 [ 28.887153] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 28.892058] ? oom_evaluate_task+0x284/0x480 [ 28.896442] out_of_memory+0x86d/0x1220 [ 28.900395] ? oom_killer_disable+0x310/0x310 [ 28.904859] ? mutex_trylock+0x23a/0x2d0 [ 28.908888] ? __lock_is_held+0xb6/0x140 [ 28.912921] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 28.918359] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 28.923180] ? trace_hardirqs_on+0xd/0x10 [ 28.927315] ? warn_alloc+0x2b0/0x2b0 [ 28.931087] ? lock_downgrade+0x980/0x980 [ 28.935212] ? radix_tree_lookup_slot+0x99/0xe0 [ 28.939873] ? find_get_entry+0x53c/0x9e0 [ 28.944019] ? __lock_acquire+0x664/0x3e00 [ 28.948239] ? __lock_is_held+0xb6/0x140 [ 28.952286] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 28.958150] ? __might_sleep+0x95/0x190 [ 28.962103] __alloc_pages_nodemask+0x9fb/0xd80 [ 28.966748] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 28.971740] ? add_to_page_cache_lru+0x510/0x510 [ 28.976472] ? check_noncircular+0x20/0x20 [ 28.980675] ? check_noncircular+0x20/0x20 [ 28.984877] ? __schedule+0x8f3/0x2060 [ 28.988739] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 28.993485] alloc_pages_current+0xb6/0x1e0 [ 28.997779] __page_cache_alloc+0x334/0x500 [ 29.002079] ? rcu_read_lock_held+0xa9/0xc0 [ 29.006372] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 29.013715] filemap_fault+0xefc/0x1c20 [ 29.017677] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.022850] ? __lock_page_or_retry+0x4f0/0x4f0 [ 29.027497] ? filemap_map_pages+0x942/0x15d0 [ 29.031974] ? find_get_entries_tag+0xeb0/0xeb0 [ 29.036615] ? find_held_lock+0x35/0x1d0 [ 29.040651] ? check_noncircular+0x20/0x20 [ 29.044862] ? debug_object_active_state+0x3a5/0x580 [ 29.049937] ? print_irqtrace_events+0x270/0x270 [ 29.054660] ? print_irqtrace_events+0x270/0x270 [ 29.059384] ? print_irqtrace_events+0x270/0x270 [ 29.064105] ? lock_release+0xa40/0xa40 [ 29.068049] ? debug_object_activate+0x307/0x730 [ 29.072772] ? lock_release+0xa40/0xa40 [ 29.076725] ? find_held_lock+0x35/0x1d0 [ 29.080768] ? lock_acquire+0x1d5/0x580 [ 29.084711] ? lock_acquire+0x1d5/0x580 [ 29.088652] ? ext4_filemap_fault+0x7a/0xad [ 29.092943] ? __lock_acquire+0x664/0x3e00 [ 29.097148] ? lock_release+0xa40/0xa40 [ 29.101090] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 29.106946] ? rcu_note_context_switch+0x710/0x710 [ 29.111849] ? __might_sleep+0x95/0x190 [ 29.115798] ? down_read+0x96/0x150 [ 29.119400] ? ext4_filemap_fault+0x7a/0xad [ 29.123702] ? __down_interruptible+0x6b0/0x6b0 [ 29.128368] ext4_filemap_fault+0x82/0xad [ 29.132488] __do_fault+0xeb/0x30f [ 29.136003] ? pte_offset_kernel+0xc7/0xc7 [ 29.140223] ? do_raw_spin_trylock+0x190/0x190 [ 29.144776] ? prepare_creds+0x2b1/0x360 [ 29.148809] ? check_noncircular+0x20/0x20 [ 29.153026] __handle_mm_fault+0x1d8f/0x3ce0 [ 29.157410] ? __pmd_alloc+0x4e0/0x4e0 [ 29.161273] ? find_held_lock+0x35/0x1d0 [ 29.165320] ? handle_mm_fault+0x248/0x8d0 [ 29.169524] ? lock_downgrade+0x980/0x980 [ 29.173669] handle_mm_fault+0x334/0x8d0 [ 29.177696] ? down_read_trylock+0xdb/0x170 [ 29.181987] ? __do_page_fault+0x32d/0xc90 [ 29.186194] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 29.190746] ? vmacache_find+0x5f/0x280 [ 29.194693] ? find_vma+0x30/0x150 [ 29.198208] __do_page_fault+0x5c9/0xc90 [ 29.202249] ? mm_fault_error+0x2c0/0x2c0 [ 29.206368] ? SyS_capset+0xcc/0x980 [ 29.210066] do_page_fault+0xee/0x720 [ 29.213835] ? dentry_path_raw+0x30/0x30 [ 29.217866] ? __do_page_fault+0xc90/0xc90 [ 29.222087] ? set_fs_root+0x230/0x230 [ 29.225950] ? mntput+0x66/0x90 [ 29.229200] ? path_put+0x50/0x70 [ 29.232629] ? retint_user+0x18/0x18 [ 29.236313] ? page_fault+0x36/0x60 [ 29.239911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.244726] ? page_fault+0x36/0x60 [ 29.248326] page_fault+0x4c/0x60 [ 29.251749] RIP: 0033:0x462710 [ 29.254907] RSP: 002b:00000000007ff7f8 EFLAGS: 00010202 [ 29.260241] RAX: 00000000fbad8001 RBX: 0000000000000100 RCX: 0000000000000000 [ 29.267478] RDX: 00000000007ff928 RSI: 00000000004b19da RDI: 00000000007ff800 [ 29.274718] RBP: 00000000007ffa50 R08: 0000000000000000 R09: 0000000120080522 [ 29.281960] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b19da [ 29.289202] R13: 00000000007ff928 R14: 0000000000000001 R15: 0000000000000000 [ 29.296647] Mem-Info: [ 29.300390] syzkaller877769: vmalloc: allocation failure, allocated 1913200640 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 29.300395] syzkaller877769 cpuset=/ mems_allowed=0 [ 29.300412] CPU: 1 PID: 3362 Comm: syzkaller877769 Not tainted 4.15.0-rc4+ #166 [ 29.300417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.300420] Call Trace: [ 29.300433] dump_stack+0x194/0x257 [ 29.300448] ? arch_local_irq_restore+0x53/0x53 [ 29.300455] ? idr_get_free_cmn+0xfd0/0xfd0 [ 29.300485] warn_alloc+0x19a/0x2b0 [ 29.300499] ? zone_watermark_ok_safe+0x400/0x400 [ 29.300527] ? rcu_note_context_switch+0x710/0x710 [ 29.300557] __vmalloc_node_range+0x482/0x650 [ 29.300583] ? xt_alloc_table_info+0x64/0xe0 [ 29.300592] __vmalloc_node_flags_caller+0x50/0x60 [ 29.300603] ? xt_alloc_table_info+0x64/0xe0 [ 29.300618] kvmalloc_node+0x82/0xd0 [ 29.300632] xt_alloc_table_info+0x64/0xe0 [ 29.300645] do_ipt_set_ctl+0x29b/0x5f0 [ 29.300660] ? translate_compat_table+0x1b90/0x1b90 [ 29.300691] ? mutex_unlock+0xd/0x10 [ 29.300700] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 29.300716] nf_setsockopt+0x67/0xc0 [ 29.300732] ip_setsockopt+0xa1/0xb0 [ 29.300747] tcp_setsockopt+0x82/0xd0 [ 29.300765] sock_common_setsockopt+0x95/0xd0 [ 29.300782] SyS_setsockopt+0x189/0x360 [ 29.300798] ? SyS_recv+0x40/0x40 [ 29.300810] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 29.300824] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.300837] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.300858] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 29.300864] RIP: 0033:0x44c9c9 [ 29.300868] RSP: 002b:00007f5eb22d2ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 29.300877] RAX: ffffffffffffffda RBX: 00000000006f0024 RCX: 000000000044c9c9 [ 29.300881] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000004 [ 29.300886] RBP: 00000000006f0020 R08: 0000000000000004 R09: 0000000000000000 [ 29.300890] R10: 0000000020000ffc R11: 0000000000000246 R12: 0000000000000000 [ 29.300895] R13: 00000000007ff97f R14: 00007f5eb22d39c0 R15: 0000000000000001 [ 31.069182] active_anon:4335 inactive_anon:33 isolated_anon:0 [ 31.069182] active_file:19 inactive_file:89 isolated_file:0 [ 31.069182] unevictable:0 dirty:0 writeback:0 unstable:0 [ 31.069182] slab_reclaimable:7352 slab_unreclaimable:85202 [ 31.069182] mapped:2 shmem:40 pagetables:492 bounce:0 [ 31.069182] free:1061788 free_pcp:512 free_cma:0 [ 31.102305] Node 0 active_anon:17340kB inactive_anon:132kB active_file:76kB inactive_file:356kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:160kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 31.129570] Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 [ 31.155794] lowmem_reserve[]: 0 2881 6394 6394 [ 31.160468] Node 0 DMA32 free:1410508kB min:30380kB low:37972kB high:45564kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2953012kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:732kB local_pcp:732kB free_cma:0kB [ 31.188241] lowmem_reserve[]: 0 0 3512 3512 [ 31.192640] Node 0 Normal free:3084236kB min:37036kB low:46292kB high:55548kB active_anon:17340kB inactive_anon:132kB active_file:76kB inactive_file:420kB unevictable:0kB writepending:0kB present:4718592kB managed:3596988kB mlocked:0kB kernel_stack:3520kB pagetables:1968kB bounce:0kB free_pcp:1328kB local_pcp:620kB free_cma:0kB [ 31.221894] lowmem_reserve[]: 0 0 0 0 [ 31.225783] 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 [ 31.240250] Node 0 DMA32: 10300*4kB (UM) 10286*8kB (UM) 10288*16kB (UM) 10290*32kB (UM) 10282*64kB (UM) 28*128kB (UM) 5*256kB (UM) 4*512kB (UM) 3*1024kB (M) 2*2048kB (UM) 56*4096kB (UM) = 1518880kB [ 31.258173] Node 0 Normal: 526*4kB (UMEH) 580*8kB (UMH) 421*16kB (UMH) 319*32kB (UMH) 239*64kB (UM) 141*128kB (UM) 115*256kB (UMH) 109*512kB (UH) 97*1024kB (UH) 32*2048kB (U) 678*4096kB (UME) = 3084232kB [ 31.276865] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 31.285536] 154 total pagecache pages [ 31.289395] 0 pages in swap cache [ 31.292946] Swap cache stats: add 0, delete 0, find 0/0 [ 31.298354] Free swap = 0kB [ 31.301373] Total swap = 0kB [ 31.304431] 1965979 pages RAM [ 31.307535] 0 pages HighMem/MovableOnly [ 31.311552] 324502 pages reserved [ 31.315003] Unreclaimable slab info: [ 31.318965] Name Used Total [ 31.324583] pid_2 2KB 4KB [ 31.330045] hashtab_node 118KB 119KB [ 31.335459] ebitmap_node 448KB 448KB [ 31.340875] avtab_node 1012KB 1013KB [ 31.346288] TIPC 7KB 7KB [ 31.351701] SCTPv6 12KB 12KB [ 31.357110] DCCPv6 14KB 14KB [ 31.362522] DCCP 13KB 13KB [ 31.368696] fib6_nodes 7KB 12KB [ 31.374113] ip6_dst_cache 40KB 41KB [ 31.379530] RAWv6 52KB 52KB [ 31.384943] UDPv6 12KB 14KB [ 31.390374] TCPv6 2KB 5KB [ 31.395790] sd_ext_cdb 0KB 3KB [ 31.401197] scsi_sense_cache 88KB 144KB [ 31.406605] virtio_scsi_cmd 16KB 16KB [ 31.412037] sgpool-128 8KB 8KB [ 31.417439] sgpool-64 4KB 6KB [ 31.422844] sgpool-32 70KB 70KB [ 31.428251] sgpool-16 30KB 30KB [ 31.433659] sgpool-8 177KB 225KB [ 31.439080] cfq_io_cq 14KB 15KB [ 31.444481] cfq_queue 22KB 27KB [ 31.449901] mqueue_inode_cache 12KB 14KB [ 31.455414] nfs_commit_data 3KB 7KB [ 31.460818] nfs_write_data 34KB 37KB [ 31.466224] jbd2_inode 1KB 3KB [ 31.471629] ext4_system_zone 0KB 3KB [ 31.477061] bio-1 1KB 3KB [ 31.482468] pid_namespace 3KB 7KB [ 31.487880] rpc_buffers 17KB 19KB [ 31.493283] rpc_tasks 2KB 3KB [ 31.499430] UNIX 966KB 1032KB [ 31.504839] tcp_bind_bucket 2KB 4KB [ 31.510246] ip_fib_trie 2KB 3KB [ 31.515650] ip_fib_alias 3KB 3KB [ 31.521111] ip_dst_cache 5KB 8KB [ 31.526519] RAW 35KB 35KB [ 31.531923] UDP 39KB 39KB [ 31.537330] request_sock_TCP 0KB 3KB [ 31.542734] TCP 23KB 23KB [ 31.548135] hugetlbfs_inode_cache 1KB 7KB [ 31.553891] eventpoll_pwq 12KB 15KB [ 31.559294] eventpoll_epi 23KB 27KB [ 31.564696] inotify_inode_mark 3KB 7KB [ 31.570187] request_queue 53KB 135KB [ 31.575589] blkdev_ioc 19KB 27KB [ 31.580997] bio-0 300KB 300KB [ 31.586428] biovec-(1<<(21-12)) 412KB 412KB [ 31.592030] biovec-64 110KB 110KB [ 31.597438] biovec-16 15KB 18KB [ 31.602859] bio_integrity_payload 0KB 4KB [ 31.608614] khugepaged_mm_slot 0KB 3KB [ 31.614114] user_namespace 8KB 11KB [ 31.619517] uid_cache 1KB 3KB [ 31.624916] dmaengine-unmap-2 0KB 3KB [ 31.630320] audit_buffer 1KB 3KB [ 31.636467] skbuff_fclone_cache 136KB 138KB [ 31.642082] skbuff_head_cache 1682KB 1691KB [ 31.647481] configfs_dir_cache 0KB 4KB [ 31.652989] file_lock_cache 157KB 158KB [ 31.658391] file_lock_ctx 1KB 3KB [ 31.663795] fsnotify_mark_connector 2KB 3KB [ 31.669718] net_namespace 53KB 53KB [ 31.675117] shmem_inode_cache 905KB 906KB [ 31.680518] task_delay_info 314KB 422KB [ 31.685918] taskstats 2KB 3KB [ 31.691326] sigqueue 324KB 334KB [ 31.696726] kernfs_node_cache 2181KB 2181KB [ 31.702129] mnt_cache 74KB 76KB [ 31.707531] filp 8640KB 8677KB [ 31.712996] names_cache 111422KB 111460KB [ 31.718432] avc_node 42KB 47KB [ 31.723835] selinux_file_security 437KB 437KB [ 31.729582] selinux_inode_security 1944KB 1944KB [ 31.735416] key_jar 3KB 7KB [ 31.740816] nsproxy 7KB 7KB [ 31.746219] vm_area_struct 16477KB 16741KB [ 31.751621] mm_struct 3741KB 3910KB [ 31.757042] fs_cache 404KB 504KB [ 31.762445] files_cache 1501KB 1631KB [ 31.768586] signal_cache 2348KB 2537KB [ 31.773990] sighand_cache 316KB 339KB [ 31.779398] task_struct 9297KB 9352KB [ 31.784824] cred_jar 2230KB 2308KB [ 31.790228] anon_vma_chain 6699KB 6882KB [ 31.795630] anon_vma 298KB 327KB [ 31.801055] pid 212KB 292KB [ 31.806457] Acpi-Operand 106KB 170KB [ 31.811860] Acpi-ParseExt 0KB 3KB [ 31.817261] Acpi-Parse 0KB 7KB [ 31.822663] Acpi-State 0KB 11KB [ 31.828076] Acpi-Namespace 19KB 23KB [ 31.833481] numa_policy 0KB 3KB [ 31.839006] debug_objects_cache 493KB 493KB [ 31.844604] trace_event_file 144KB 147KB [ 31.850053] ftrace_event_field 254KB 255KB [ 31.855546] pool_workqueue 32KB 32KB [ 31.860952] page->ptl 2756KB 2909KB [ 31.866380] kmalloc-262144 1032KB 1032KB [ 31.871791] kmalloc-131072 650KB 650KB [ 31.877200] kmalloc-65536 264KB 264KB [ 31.882604] kmalloc-32768 3630KB 3630KB [ 31.888031] kmalloc-16384 610KB 610KB [ 31.893439] kmalloc-8192 808KB 808KB [ 31.899604] kmalloc-4096 12142KB 12142KB [ 31.905032] kmalloc-2048 3595KB 3595KB [ 31.912483] kmalloc-1024 3307KB 3378KB [ 31.917867] kmalloc-512 2812KB 3112KB [ 31.923218] kmalloc-256 2100KB 2100KB [ 31.928583] kmalloc-128 426KB 511KB [ 31.933936] kmalloc-96 340KB 424KB [ 31.939284] kmalloc-64 728KB 844KB [ 31.944630] kmalloc-32 1836KB 2173KB [ 31.949981] kmalloc-192 207KB 228KB [ 31.955344] kmem_cache 100KB 105KB [ 31.960714] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 31.969309] [ 1605] 0 1605 5366 168 86016 0 -1000 udevd [ 31.977513] [ 2861] 0 2861 2493 574 57344 0 0 dhclient [ 31.985906] [ 2995] 0 2995 14265 174 114688 0 0 rsyslogd [ 31.994293] [ 3054] 0 3054 4725 51 86016 0 0 cron [ 32.002361] [ 3062] 0 3062 12927 1227 135168 0 0 restorecond [ 32.011055] [ 3065] 0 3065 3736 45 69632 0 0 mcstransd [ 32.019541] [ 3094] 0 3094 12490 153 139264 0 -1000 sshd [ 32.027591] [ 3122] 0 3122 3694 42 77824 0 0 getty [ 32.035732] [ 3123] 0 3123 3694 42 73728 0 0 getty [ 32.043889] [ 3124] 0 3124 3694 40 77824 0 0 getty [ 32.052042] [ 3125] 0 3125 3694 41 73728 0 0 getty [ 32.060172] [ 3126] 0 3126 3694 40 73728 0 0 getty [ 32.068305] [ 3127] 0 3127 3694 41 69632 0 0 getty [ 32.076457] [ 3128] 0 3128 3649 39 73728 0 0 getty [ 32.084599] [ 3130] 0 3130 5680 456 86016 0 -1000 udevd [ 32.092731] [ 3131] 0 3131 5680 456 86016 0 -1000 udevd [ 32.100866] [ 3147] 0 3147 17821 197 180224 0 0 sshd [ 32.108928] [ 3150] 0 3150 593 1 36864 0 0 syzkaller877769 [ 32.118480] [ 3151] 0 3151 593 14 36864 0 0 syzkaller877769 [ 32.127511] [ 3152] 0 3152 593 14 36864 0 0 syzkaller877769 [ 32.136539] [ 3153] 0 3153 593 14 36864 0 0 syzkaller877769 [ 32.145566] [ 3154] 0 3154 593 14 36864 0 0 syzkaller877769 [ 32.154591] [ 3155] 0 3155 593 14 36864 0 0 syzkaller877769 [ 32.163620] [ 3156] 0 3156 593 14 36864 0 0 syzkaller877769 [ 32.172646] [ 3157] 0 3157 593 14 36864 0 0 syzkaller877769 [ 32.181688] [ 3158] 0 3158 593 14 36864 0 0 syzkaller877769 [ 32.190721] [ 3161] 0 3161 5353 247 81920 0 -1000 udevd [ 32.198881] [ 3163] 0 3163 5353 247 81920 0 -1000 udevd [ 32.207045] [ 3168] 0 3168 5353 247 81920 0 -1000 udevd [ 32.215206] [ 3171] 0 3171 5353 247 81920 0 -1000 udevd [ 32.223381] [ 3173] 0 3173 5353 247 81920 0 -1000 udevd [ 32.231541] [ 3178] 0 3178 5365 167 81920 0 -1000 udevd [ 32.239712] [ 3186] 0 3186 5365 167 81920 0 -1000 udevd [ 32.247867] [ 3326] 0 3326 593 15 36864 0 0 syzkaller877769 [ 32.256909] [ 3332] 0 3332 593 15 36864 0 0 syzkaller877769 executing program executing program [ 32.265932] [ 3347] 0 3347 593 15 36864 0 0 syzkaller877769 [ 32.274982] [ 3353] 0 3353 593 15 36864 0 0 syzkaller877769 [ 32.284047] [ 3354] 0 3354 593 15 36864 0 0 syzkaller877769 [ 32.293073] [ 3355] 0 3355 593 15 36864 0 0 syzkaller877769 [ 32.302117] [ 3356] 0 3356 593 15 36864 0 0 syzkaller877769 [ 32.311179] [ 3357] 0 3357 593 15 36864 0 0 syzkaller877769 executing program [ 32.320211] [ 3370] 0 3364 4754 2178 65536 0 0 syzkaller877769 [ 32.329258] [ 3371] 0 3365 4754 2178 65536 0 0 syzkaller877769 [ 32.338281] [ 3372] 0 3372 5365 168 77824 0 -1000 udevd [ 32.346430] Out of memory: Kill process 3062 (restorecond) score 0 or sacrifice child executing program executing program executing program executing program executing program [ 33.190330] Killed process 3062 (restorecond) total-vm:51708kB, anon-rss:4908kB, file-rss:0kB, shmem-rss:0kB [ 34.681172] oom_reaper: reaped process 3395 (syzkaller877769), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 34.716061] oom_reaper: reaped process 3376 (syzkaller877769), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 34.784573] syzkaller877769: vmalloc: allocation failure, allocated 1254514688 of 4294975488 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 34.798467] oom_reaper: reaped process 3371 (syzkaller877769), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 34.800727] oom_reaper: reaped process 3370 (syzkaller877769), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 34.830705] oom_reaper: reaped process 3391 (syzkaller877769), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 34.831783] oom_reaper: reaped process 3386 (syzkaller877769), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 34.857694] oom_reaper: reaped process 3400 (syzkaller877769), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 34.859977] syzkaller877769 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 34.859990] syzkaller877769 cpuset=/ mems_allowed=0 [ 34.860098] CPU: 0 PID: 3391 Comm: syzkaller877769 Not tainted 4.15.0-rc4+ #166 [ 34.860102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.860105] Call Trace: [ 34.860123] dump_stack+0x194/0x257 [ 34.860138] ? arch_local_irq_restore+0x53/0x53 [ 34.860154] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.860176] dump_header+0x28c/0xe1e [ 34.860195] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.860212] ? pagefault_out_of_memory+0x152/0x152 [ 34.860227] ? print_irqtrace_events+0x270/0x270 [ 34.860243] ? __lock_acquire+0x664/0x3e00 [ 34.860259] ? check_noncircular+0x20/0x20 [ 34.860276] ? print_irqtrace_events+0x270/0x270 [ 34.860289] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 34.860296] ? __lock_acquire+0x664/0x3e00 [ 34.860309] ? check_noncircular+0x20/0x20 [ 34.860317] ? task_will_free_mem+0x252/0xaa0 [ 34.860336] ? print_irqtrace_events+0x270/0x270 [ 34.860357] ? ___ratelimit+0x30d/0x630 [ 34.860368] ? lock_downgrade+0x980/0x980 [ 34.860384] ? lock_release+0xa40/0xa40 [ 34.860402] ? mark_held_locks+0xaf/0x100 [ 34.860416] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 34.860429] ? trace_hardirqs_on_caller+0x421/0x5c0 executing program [ 34.860439] ? trace_hardirqs_on+0xd/0x10 [ 34.860453] ? ___ratelimit+0x95/0x630 [ 34.860465] ? idr_get_free_cmn+0xfd0/0xfd0 [ 34.860474] ? check_noncircular+0x20/0x20 [ 34.860480] ? find_held_lock+0x138/0x1d0 [ 34.860502] oom_kill_process+0x8b5/0x14a0 [ 34.860519] ? has_ns_capability_noaudit+0x163/0x2a0 [ 34.860532] ? check_noncircular+0x20/0x20 [ 34.860546] ? oom_evaluate_task+0x480/0x480 [ 34.860560] ? cap_capable+0x1b5/0x230 [ 34.860580] ? security_capable_noaudit+0x8b/0xc0 [ 34.860599] ? find_held_lock+0x35/0x1d0 [ 34.860615] ? check_noncircular+0x20/0x20 [ 34.860627] ? oom_unkillable_task+0x394/0x4c0 [ 34.860638] ? lock_downgrade+0x980/0x980 [ 34.860653] ? lock_release+0xa40/0xa40 [ 34.860660] ? do_try_to_free_pages+0xc53/0x1020 [ 34.860674] ? find_lock_task_mm+0x460/0x460 [ 34.860692] ? find_held_lock+0x35/0x1d0 [ 34.860713] ? out_of_memory+0xb3a/0x1220 [ 34.860724] ? lock_downgrade+0x980/0x980 [ 34.860739] ? lock_release+0xa40/0xa40 [ 34.860750] ? blocking_notifier_call_chain+0x112/0x190 [ 34.860757] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 34.860779] ? oom_evaluate_task+0x284/0x480 [ 34.860797] out_of_memory+0x86d/0x1220 [ 34.860820] ? oom_killer_disable+0x310/0x310 [ 34.860826] ? mutex_trylock+0x23a/0x2d0 [ 34.860837] ? __lock_is_held+0xb6/0x140 [ 34.860846] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 34.860875] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 34.860930] ? warn_alloc+0x2b0/0x2b0 [ 34.860961] ? check_noncircular+0x20/0x20 [ 34.860978] ? switched_to_fair+0xb0/0xb0 [ 34.860993] ? __enqueue_entity+0x109/0x1e0 [ 34.861029] ? print_irqtrace_events+0x270/0x270 [ 34.861054] ? finish_task_switch+0x1d3/0x740 [ 34.861085] ? __lock_is_held+0xb6/0x140 [ 34.861118] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 34.861144] ? __might_sleep+0x95/0x190 [ 34.861161] __alloc_pages_nodemask+0x9fb/0xd80 [ 34.861167] ? mark_held_locks+0xaf/0x100 [ 34.861186] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 34.861199] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.861220] ? retint_kernel+0x10/0x10 [ 34.861241] ? __lock_is_held+0xb6/0x140 [ 34.861250] ? __vmalloc_node_range+0x4b7/0x650 [ 34.861280] ? rcu_note_context_switch+0x710/0x710 [ 34.861300] alloc_pages_current+0xb6/0x1e0 [ 34.861317] __vmalloc_node_range+0x409/0x650 [ 34.861344] ? xt_alloc_table_info+0x64/0xe0 [ 34.861354] __vmalloc_node_flags_caller+0x50/0x60 [ 34.861364] ? xt_alloc_table_info+0x64/0xe0 [ 34.861378] kvmalloc_node+0x82/0xd0 [ 34.861392] xt_alloc_table_info+0x64/0xe0 [ 34.861406] do_ipt_set_ctl+0x29b/0x5f0 [ 34.861421] ? translate_compat_table+0x1b90/0x1b90 [ 34.861452] ? mutex_unlock+0xd/0x10 [ 34.861461] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 34.861477] nf_setsockopt+0x67/0xc0 [ 34.861492] ip_setsockopt+0xa1/0xb0 [ 34.861506] tcp_setsockopt+0x82/0xd0 [ 34.861524] sock_common_setsockopt+0x95/0xd0 [ 34.861541] SyS_setsockopt+0x189/0x360 [ 34.861556] ? SyS_recv+0x40/0x40 [ 34.861568] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 34.861580] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.861591] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.861611] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 34.861617] RIP: 0033:0x44c9c9 [ 34.861621] RSP: 002b:00007f5eb22b1ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 34.861630] RAX: ffffffffffffffda RBX: 00000000006f003c RCX: 000000000044c9c9 [ 34.861634] RDX: 0010000000000040 RSI: 0000000000000000 RDI: 0000000000000004 [ 34.861638] RBP: 00000000006f0038 R08: 0000000000000004 R09: 0000000000000000 Connection to 10.128.0.2 closed by remote host. [