[....] Starting enhanced syslogd: rsyslogd[ 17.116708] audit: type=1400 audit(1517474832.175:5): avc: denied { syslog } for pid=4017 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: [ 22.252972] audit: type=1400 audit(1517474837.311:6): avc: denied { map } for pid=4159 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 '10.128.0.17' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 [ 28.550885] audit: type=1400 audit(1517474843.609:7): avc: denied { map } for pid=4173 comm="syzkaller672667" path="/root/syzkaller672667940" 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 RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 28.815839] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument executing program [ 29.176498] audit: type=1400 audit(1517474844.235:8): avc: denied { create } for pid=4328 comm="syzkaller672667" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 29.231762] audit: type=1400 audit(1517474844.289:9): avc: denied { read } for pid=4328 comm="syzkaller672667" path="socket:[14386]" dev="sockfs" ino=14386 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 30.675524] oom_reaper: reaped process 4332 (syzkaller672667), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 30.689934] rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 30.701415] rsyslogd cpuset=/ mems_allowed=0 [ 30.706085] CPU: 1 PID: 4021 Comm: rsyslogd Not tainted 4.15.0+ #290 [ 30.712565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.721905] Call Trace: [ 30.724485] dump_stack+0x194/0x257 [ 30.728108] ? arch_local_irq_restore+0x53/0x53 [ 30.732771] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.737973] dump_header+0x28c/0xe1e [ 30.741693] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.746885] ? pagefault_out_of_memory+0x152/0x152 [ 30.751816] ? perf_trace_lock_acquire+0xe3/0x980 [ 30.752204] syzkaller672667: vmalloc: allocation failure, allocated 3381161984 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 30.752216] syzkaller672667 cpuset=/ mems_allowed=0 [ 30.774694] ? check_noncircular+0x20/0x20 [ 30.778925] ? perf_trace_lock+0x900/0x900 [ 30.783149] ? perf_trace_lock_acquire+0xe3/0x980 [ 30.787976] ? check_noncircular+0x20/0x20 [ 30.792192] ? print_irqtrace_events+0x270/0x270 [ 30.796938] ? perf_trace_lock+0x900/0x900 [ 30.801159] ? task_will_free_mem+0x252/0xaa0 [ 30.805646] ? print_irqtrace_events+0x270/0x270 [ 30.810399] ? ___ratelimit+0x30d/0x630 [ 30.814357] ? lock_downgrade+0x980/0x980 [ 30.818497] ? lock_release+0xa40/0xa40 [ 30.822466] ? mark_held_locks+0xaf/0x100 [ 30.826602] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 30.831692] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.836691] ? trace_hardirqs_on+0xd/0x10 [ 30.840825] ? ___ratelimit+0x95/0x630 [ 30.844702] ? idr_get_free_cmn+0xfd0/0xfd0 [ 30.849009] ? find_held_lock+0x138/0x1d0 [ 30.853157] oom_kill_process+0x8b9/0x1550 [ 30.857384] ? perf_trace_lock+0x900/0x900 [ 30.861612] ? oom_evaluate_task+0x480/0x480 [ 30.865998] ? check_noncircular+0x20/0x20 [ 30.870247] ? find_held_lock+0x35/0x1d0 [ 30.874306] ? oom_unkillable_task+0x394/0x4c0 [ 30.878869] ? check_noncircular+0x20/0x20 [ 30.883083] ? lock_downgrade+0x980/0x980 [ 30.887219] ? lock_release+0xa40/0xa40 [ 30.891183] ? find_lock_task_mm+0x460/0x460 [ 30.895586] ? find_held_lock+0x35/0x1d0 [ 30.899643] ? out_of_memory+0xb3a/0x1220 [ 30.903777] ? lock_downgrade+0x980/0x980 [ 30.907913] ? lock_release+0xa40/0xa40 [ 30.911863] ? lock_acquire+0x1d5/0x580 [ 30.915822] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 30.920751] ? oom_evaluate_task+0x284/0x480 [ 30.925153] out_of_memory+0x86d/0x1220 [ 30.929110] ? find_next_bit+0x27/0x30 [ 30.932992] ? oom_killer_disable+0x310/0x310 [ 30.937470] ? mutex_trylock+0x23a/0x2d0 [ 30.941515] ? __lock_is_held+0xb6/0x140 [ 30.945557] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 30.951010] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 30.955856] ? trace_hardirqs_on+0xd/0x10 [ 30.960019] ? warn_alloc+0x2b0/0x2b0 [ 30.963802] ? lock_downgrade+0x980/0x980 [ 30.967962] ? perf_trace_lock_acquire+0xe3/0x980 [ 30.972804] ? perf_trace_lock+0x900/0x900 [ 30.977050] ? check_noncircular+0x20/0x20 [ 30.981269] ? __lock_acquire+0x664/0x3e00 [ 30.985511] ? __lock_is_held+0xb6/0x140 [ 30.989579] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 30.995465] ? __might_sleep+0x95/0x190 [ 30.999430] __alloc_pages_nodemask+0x9fb/0xd80 [ 31.004094] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 31.009097] ? add_to_page_cache_lru+0x510/0x510 [ 31.013846] ? check_noncircular+0x20/0x20 [ 31.018059] ? read_cache_pages+0x990/0x990 [ 31.022364] ? perf_trace_lock_acquire+0xe3/0x980 [ 31.027203] ? check_noncircular+0x20/0x20 [ 31.031421] ? check_noncircular+0x20/0x20 [ 31.035637] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 31.040413] alloc_pages_current+0xb6/0x1e0 [ 31.044723] __page_cache_alloc+0x334/0x500 [ 31.049029] ? rcu_read_lock_held+0xa9/0xc0 [ 31.053340] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 31.060701] filemap_fault+0xf34/0x1ca0 [ 31.064657] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.069854] ? __lock_page_or_retry+0x4f0/0x4f0 [ 31.074519] ? filemap_map_pages+0x942/0x15d0 [ 31.079005] ? perf_trace_lock_acquire+0xe3/0x980 [ 31.083839] ? check_noncircular+0x20/0x20 [ 31.088065] ? perf_trace_lock+0x900/0x900 [ 31.092281] ? lock_downgrade+0x980/0x980 [ 31.096425] ? find_held_lock+0x35/0x1d0 [ 31.100467] ? check_noncircular+0x20/0x20 [ 31.104678] ? print_irqtrace_events+0x270/0x270 [ 31.109414] ? print_irqtrace_events+0x270/0x270 [ 31.114160] ? is_bpf_text_address+0x7b/0x120 [ 31.118638] ? lock_downgrade+0x980/0x980 [ 31.122786] ? lock_acquire+0x1d5/0x580 [ 31.126739] ? lock_acquire+0x1d5/0x580 [ 31.130695] ? ext4_filemap_fault+0x7a/0xad [ 31.135014] ? lock_release+0xa40/0xa40 [ 31.138972] ? is_bpf_text_address+0xa4/0x120 [ 31.143457] ? rcu_note_context_switch+0x710/0x710 [ 31.148381] ? __might_sleep+0x95/0x190 [ 31.152349] ? down_read+0x96/0x150 [ 31.155957] ? ext4_filemap_fault+0x7a/0xad [ 31.160261] ? __down_interruptible+0x6b0/0x6b0 [ 31.164923] ? do_syslog+0x8b5/0xb80 [ 31.168627] ext4_filemap_fault+0x82/0xad [ 31.172762] __do_fault+0xeb/0x315 [ 31.176287] ? perf_trace_lock_acquire+0xe3/0x980 [ 31.181110] ? pte_offset_kernel+0xc7/0xc7 [ 31.185340] ? perf_trace_lock+0x900/0x900 [ 31.189574] __handle_mm_fault+0x1d8f/0x3ce0 [ 31.193979] ? __pmd_alloc+0x4e0/0x4e0 [ 31.197848] ? check_noncircular+0x20/0x20 [ 31.202076] ? find_held_lock+0x35/0x1d0 [ 31.206132] ? handle_mm_fault+0x2a0/0x930 [ 31.210365] ? lock_downgrade+0x980/0x980 [ 31.214538] handle_mm_fault+0x38f/0x930 [ 31.218577] ? down_read_trylock+0xdb/0x170 [ 31.222882] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 31.227442] ? vmacache_find+0x5f/0x280 [ 31.231396] ? vmacache_update+0xfe/0x130 [ 31.235531] ? find_vma+0x30/0x150 [ 31.239061] __do_page_fault+0x5c9/0xc90 [ 31.243103] ? vfs_copy_file_range+0x940/0x940 [ 31.247682] ? mm_fault_error+0x2c0/0x2c0 [ 31.251821] ? avc_policy_seqno+0x9/0x20 [ 31.255878] do_page_fault+0xee/0x720 [ 31.259663] ? __do_page_fault+0xc90/0xc90 [ 31.263897] ? fput+0xd2/0x140 [ 31.267075] ? SyS_read+0x184/0x220 [ 31.270684] ? entry_SYSCALL_64_fastpath+0x55/0xa0 [ 31.275597] ? page_fault+0x36/0x60 [ 31.279211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.284046] ? page_fault+0x36/0x60 [ 31.288312] page_fault+0x4c/0x60 [ 31.291748] RIP: 0033:0x7fabc9ada1fd [ 31.295439] RSP: 002b:00007fabc7079e30 EFLAGS: 00010293 [ 31.300785] RAX: 0000000000000073 RBX: 0000000001d014b0 RCX: 00007fabc9ada1fd [ 31.308037] RDX: 0000000000000fff RSI: 00007fabc88ae5a0 RDI: 0000000000000004 [ 31.315285] RBP: 0000000000000000 R08: 0000000001cec260 R09: 0000000004000001 [ 31.322533] R10: 0000000000000001 R11: 0000000000000293 R12: 000000000065e420 [ 31.329785] R13: 00007fabc707a9c0 R14: 00007fabca11f040 R15: 0000000000000003 [ 31.337075] CPU: 0 PID: 4329 Comm: syzkaller672667 Not tainted 4.15.0+ #290 [ 31.337382] Mem-Info: [ 31.337400] active_anon:3899 inactive_anon:63 isolated_anon:0 [ 31.337400] active_file:10 inactive_file:11 isolated_file:7 [ 31.337400] unevictable:0 dirty:0 writeback:0 unstable:0 [ 31.337400] slab_reclaimable:8422 slab_unreclaimable:81607 [ 31.337400] mapped:2 shmem:70 pagetables:308 bounce:0 [ 31.337400] free:15847 free_pcp:0 free_cma:0 [ 31.337414] Node 0 active_anon:15596kB inactive_anon:252kB active_file:40kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):28kB mapped:8kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 31.337417] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 31.337434] lowmem_reserve[]: 0 2868 6378 6378 [ 31.337449] Node 0 DMA32 free:28976kB min:30316kB low:37892kB high:45468kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2939968kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 31.337465] lowmem_reserve[]: 0 0 3510 3510 [ 31.337479] Node 0 Normal free:18504kB min:37100kB low:46372kB high:55644kB active_anon:15596kB inactive_anon:252kB active_file:40kB inactive_file:416kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2912kB pagetables:1232kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 31.337496] lowmem_reserve[]: 0 0 0 0 [ 31.337510] 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 [ 31.337596] Node 0 DMA32: 2*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 2*64kB (UM) 4*128kB (UM) 2*256kB (M) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 5*4096kB (M) = 28976kB [ 31.337662] Node 0 Normal: 352*4kB (UME) 321*8kB (UME) 157*16kB (UME) 72*32kB (UME) 45*64kB (UM) 23*128kB (UM) 15*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18968kB [ 31.337726] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 31.337729] 116 total pagecache pages [ 31.337738] 0 pages in swap cache [ 31.337743] Swap cache stats: add 0, delete 0, find 0/0 [ 31.337746] Free swap = 0kB [ 31.337748] Total swap = 0kB [ 31.337751] 1965969 pages RAM [ 31.337754] 0 pages HighMem/MovableOnly [ 31.337757] 328417 pages reserved [ 31.337811] Unreclaimable slab info: [ 31.337839] Name Used Total [ 31.337876] hashtab_node 118KB 119KB [ 31.337882] ebitmap_node 456KB 456KB [ 31.337889] avtab_node 1012KB 1013KB [ 31.337901] TIPC 1KB 7KB [ 31.337910] SCTPv6 2KB 4KB [ 31.337915] SCTP 7KB 7KB [ 31.337924] DCCPv6 2KB 7KB [ 31.337932] DCCP 2KB 6KB [ 31.337951] bridge_fdb_cache 3KB 3KB [ 31.337959] fib6_nodes 8KB 8KB [ 31.337965] ip6_dst_cache 52KB 52KB [ 31.337972] RAWv6 9KB 13KB [ 31.337978] UDPv6 14KB 14KB [ 31.337985] TCPv6 2KB 5KB [ 31.338033] sd_ext_cdb 0KB 3KB [ 31.338039] scsi_sense_cache 76KB 112KB [ 31.338044] virtio_scsi_cmd 16KB 16KB [ 31.338053] sgpool-128 8KB 8KB [ 31.338058] sgpool-64 4KB 6KB [ 31.338064] sgpool-32 70KB 70KB [ 31.338069] sgpool-16 33KB 33KB [ 31.338074] sgpool-8 151KB 153KB [ 31.338081] cfq_io_cq 14KB 19KB [ 31.338087] cfq_queue 22KB 27KB [ 31.338093] mqueue_inode_cache 1KB 7KB [ 31.338100] nfs_commit_data 3KB 7KB [ 31.338105] nfs_write_data 34KB 37KB [ 31.338113] jbd2_inode 1KB 3KB [ 31.338119] ext4_system_zone 0KB 3KB [ 31.338133] bio-1 1KB 3KB [ 31.338146] rpc_buffers 17KB 19KB [ 31.338151] rpc_tasks 2KB 3KB [ 31.338156] UNIX 787KB 787KB [ 31.338164] tcp_bind_bucket 0KB 4KB [ 31.338172] ip_fib_trie 2KB 3KB [ 31.338177] ip_fib_alias 11KB 11KB [ 31.338183] ip_dst_cache 12KB 12KB [ 31.338189] RAW 5KB 7KB [ 31.338194] UDP 31KB 31KB [ 31.338201] request_sock_TCP 3KB 3KB [ 31.338206] TCP 15KB 15KB [ 31.338211] hugetlbfs_inode_cache 1KB 7KB [ 31.338217] eventpoll_pwq 54KB 59KB [ 31.338222] eventpoll_epi 99KB 102KB [ 31.338227] inotify_inode_mark 3KB 7KB [ 31.338235] request_queue 76KB 159KB [ 31.338241] blkdev_ioc 19KB 23KB [ 31.338246] bio-0 247KB 247KB [ 31.338251] biovec-(1<<(21-12)) 363KB 363KB [ 31.338258] biovec-64 94KB 102KB [ 31.338263] biovec-16 10KB 15KB [ 31.338269] bio_integrity_payload 0KB 4KB [ 31.338275] khugepaged_mm_slot 1KB 3KB [ 31.338285] uid_cache 1KB 3KB [ 31.338290] dmaengine-unmap-2 0KB 3KB [ 31.338296] audit_buffer 0KB 3KB [ 31.338302] skbuff_fclone_cache 153KB 153KB [ 31.338307] skbuff_head_cache 2178KB 2178KB [ 31.338312] configfs_dir_cache 0KB 4KB [ 31.338317] file_lock_cache 170KB 170KB [ 31.338322] file_lock_ctx 1KB 3KB [ 31.338328] fsnotify_mark_connector 2KB 3KB [ 31.338334] shmem_inode_cache 1066KB 1066KB [ 31.338340] task_delay_info 359KB 359KB [ 31.338345] taskstats 7KB 7KB [ 31.338351] sigqueue 406KB 409KB [ 31.338356] kernfs_node_cache 3220KB 3220KB [ 31.338361] mnt_cache 15KB 20KB [ 31.338366] filp 7925KB 9701KB [ 31.338372] names_cache 97473KB 97512KB [ 31.338382] avc_node 47KB 47KB [ 31.338387] selinux_file_security 408KB 639KB [ 31.338392] selinux_inode_security 2260KB 2260KB [ 31.338397] key_jar 3KB 7KB [ 31.338403] nsproxy 0KB 3KB [ 31.338408] vm_area_struct 19547KB 20120KB [ 31.338413] mm_struct 4482KB 4789KB [ 31.338418] fs_cache 480KB 480KB [ 31.338423] files_cache 1788KB 1788KB [ 31.338428] signal_cache 2686KB 2839KB [ 31.338434] sighand_cache 339KB 444KB [ 31.338439] task_struct 10761KB 10816KB [ 31.338445] cred_jar 2287KB 2392KB [ 31.338450] anon_vma_chain 8388KB 9036KB [ 31.338455] anon_vma 183KB 346KB [ 31.338461] pid 248KB 248KB [ 31.338466] Acpi-Operand 312KB 792KB [ 31.338471] Acpi-ParseExt 0KB 11KB [ 31.338477] Acpi-Parse 0KB 7KB [ 31.338482] Acpi-State 0KB 11KB [ 31.338487] Acpi-Namespace 102KB 104KB [ 31.338493] numa_policy 0KB 3KB [ 31.338498] debug_objects_cache 834KB 834KB [ 31.338504] trace_event_file 149KB 151KB [ 31.338509] ftrace_event_field 261KB 263KB [ 31.338515] pool_workqueue 24KB 28KB [ 31.338522] page->ptl 3115KB 3411KB [ 31.338550] kmalloc-262144 1032KB 1032KB [ 31.338555] kmalloc-131072 650KB 650KB [ 31.338560] kmalloc-65536 264KB 264KB [ 31.338565] kmalloc-32768 6897KB 6897KB [ 31.338571] kmalloc-16384 709KB 709KB [ 31.338575] kmalloc-8192 651KB 651KB [ 31.338580] kmalloc-4096 6885KB 6906KB [ 31.338586] kmalloc-2048 4437KB 4437KB [ 31.338591] kmalloc-1024 3528KB 3528KB [ 31.338596] kmalloc-512 2928KB 2928KB [ 31.338601] kmalloc-256 1963KB 2760KB [ 31.338606] kmalloc-128 473KB 547KB [ 31.338611] kmalloc-96 301KB 412KB [ 31.338616] kmalloc-64 656KB 728KB [ 31.338621] kmalloc-32 1842KB 2799KB [ 31.338679] kmalloc-192 237KB 304KB [ 31.338684] kmem_cache 102KB 105KB [ 31.338688] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 31.338741] [ 2096] 0 2096 5517 290 86016 0 -1000 udevd [ 31.338769] [ 3874] 0 3874 2493 574 53248 0 0 dhclient [ 31.338780] [ 4017] 0 4017 14298 174 114688 0 0 rsyslogd [ 31.338791] [ 4068] 0 4068 4725 51 81920 0 0 cron [ 31.338802] [ 4090] 0 4090 3736 45 69632 0 0 mcstransd [ 31.338818] [ 4092] 0 4092 12927 1229 135168 0 0 restorecond [ 31.338828] [ 4118] 0 4118 12490 153 135168 0 -1000 sshd [ 31.338840] [ 4142] 0 4142 3694 42 73728 0 0 getty [ 31.338851] [ 4143] 0 4143 3694 39 73728 0 0 getty [ 31.338862] [ 4144] 0 4144 3694 42 77824 0 0 getty [ 31.338873] [ 4145] 0 4145 3694 41 73728 0 0 getty [ 31.338884] [ 4146] 0 4146 3694 41 73728 0 0 getty [ 31.338895] [ 4147] 0 4147 3694 39 77824 0 0 getty [ 31.338906] [ 4148] 0 4148 3649 41 77824 0 0 getty [ 31.338917] [ 4153] 0 4153 5681 456 81920 0 -1000 udevd [ 31.338928] [ 4154] 0 4154 5681 454 81920 0 -1000 udevd [ 31.338940] [ 4171] 0 4171 17821 198 180224 0 0 sshd [ 31.338950] [ 4173] 0 4173 308 12 32768 0 0 syzkaller672667 [ 31.338962] [ 4329] 0 4328 4601 0 45056 0 0 syzkaller672667 [ 31.338968] Out of memory: Kill process 4092 (restorecond) score 0 or sacrifice child [ 31.339297] Killed process 4092 (restorecond) total-vm:51708kB, anon-rss:4916kB, file-rss:0kB, shmem-rss:0kB [ 32.384749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.394073] Call Trace: [ 32.396650] dump_stack+0x194/0x257 [ 32.400255] ? arch_local_irq_restore+0x53/0x53 [ 32.404892] ? idr_get_free_cmn+0xfd0/0xfd0 [ 32.409197] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.414198] warn_alloc+0x19a/0x2b0 [ 32.417800] ? zone_watermark_ok_safe+0x400/0x400 [ 32.422635] ? rcu_note_context_switch+0x710/0x710 [ 32.427551] __vmalloc_node_range+0x482/0x650 [ 32.432042] ? xt_alloc_table_info+0x64/0xe0 [ 32.436424] __vmalloc_node_flags_caller+0x50/0x60 [ 32.441337] ? xt_alloc_table_info+0x64/0xe0 [ 32.445720] kvmalloc_node+0x82/0xd0 [ 32.449411] xt_alloc_table_info+0x64/0xe0 [ 32.453619] do_ipt_set_ctl+0x29b/0x5f0 [ 32.457583] ? translate_compat_table+0x1b90/0x1b90 [ 32.462584] ? mutex_unlock+0xd/0x10 [ 32.466282] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 32.471536] nf_setsockopt+0x67/0xc0 [ 32.475230] ip_setsockopt+0xa1/0xb0 [ 32.478919] sctp_setsockopt+0x2b6/0x61d0 [ 32.483045] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 32.488735] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.493903] ? lru_cache_add+0x1c7/0x3a0 [ 32.497935] ? mem_cgroup_css_offline+0x510/0x510 [ 32.502749] ? check_noncircular+0x20/0x20 [ 32.506956] ? __mem_cgroup_threshold+0x8f0/0x8f0 [ 32.511777] ? mark_held_locks+0xaf/0x100 [ 32.515904] ? find_held_lock+0x35/0x1d0 [ 32.519959] ? check_noncircular+0x20/0x20 [ 32.524171] ? lock_downgrade+0x980/0x980 [ 32.528287] ? get_futex_key+0x1d50/0x1d50 [ 32.532495] ? check_noncircular+0x20/0x20 [ 32.536702] ? lock_release+0xa40/0xa40 [ 32.540657] ? find_held_lock+0x35/0x1d0 [ 32.544699] ? avc_has_perm+0x35e/0x680 [ 32.548645] ? lock_downgrade+0x980/0x980 [ 32.552769] ? lock_release+0xa40/0xa40 [ 32.556710] ? lock_downgrade+0x980/0x980 [ 32.560829] ? __pmd_alloc+0x4e0/0x4e0 [ 32.564690] ? lock_release+0xa40/0xa40 [ 32.568637] ? __lock_is_held+0xb6/0x140 [ 32.572676] ? avc_has_perm+0x43e/0x680 [ 32.576628] ? avc_has_perm_noaudit+0x520/0x520 [ 32.581277] ? iterate_fd+0x3f0/0x3f0 [ 32.585052] ? lock_downgrade+0x980/0x980 [ 32.589181] ? handle_mm_fault+0x476/0x930 [ 32.593410] ? down_read_trylock+0xdb/0x170 [ 32.597705] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 32.602256] ? vmacache_find+0x5f/0x280 [ 32.606210] ? sock_has_perm+0x2a4/0x420 [ 32.610247] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 32.615579] ? __do_page_fault+0x3d6/0xc90 [ 32.619785] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 32.625467] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 32.630723] ? sock_alloc_file+0x2a6/0x560 [ 32.634941] sock_common_setsockopt+0x95/0xd0 [ 32.639414] SyS_setsockopt+0x189/0x360 [ 32.643375] ? SyS_recv+0x40/0x40 [ 32.646802] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 32.651619] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.656610] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.661347] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 32.666070] RIP: 0033:0x44cbc9 [ 32.669230] RSP: 002b:00007f6b348d9d18 EFLAGS: 00000283 ORIG_RAX: 0000000000000036 [ 32.676909] RAX: ffffffffffffffda RBX: 00000000006e2be4 RCX: 000000000044cbc9 [ 32.684150] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000005 [ 32.691394] RBP: 00000000006e2be0 R08: 0000000000000430 R09: 0000000000000000 [ 32.698635] R10: 0000000020014bd0 R11: 0000000000000283 R12: 00007f6b348d9d20 [ 32.705885] R13: 746174735f74656e R14: 74666f732f74656e R15: 0000000000000014 [ 32.713287] Mem-Info: [ 32.717243] active_anon:2660 inactive_anon:63 isolated_anon:0 [ 32.717243] active_file:11 inactive_file:18 isolated_file:0 [ 32.717243] unevictable:0 dirty:0 writeback:0 unstable:0 [ 32.717243] slab_reclaimable:8422 slab_unreclaimable:81607 [ 32.717243] mapped:2 shmem:70 pagetables:306 bounce:0 [ 32.717243] free:16696 free_pcp:27 free_cma:0 [ 32.726552] syzkaller672667 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 32.726564] syzkaller672667 cpuset=/ mems_allowed=0 [ 32.726617] CPU: 1 PID: 4332 Comm: syzkaller672667 Not tainted 4.15.0+ #290 [ 32.726621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.726623] Call Trace: [ 32.726638] dump_stack+0x194/0x257 [ 32.726654] ? arch_local_irq_restore+0x53/0x53 [ 32.726670] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.726698] dump_header+0x28c/0xe1e [ 32.726717] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.726735] ? pagefault_out_of_memory+0x152/0x152 [ 32.726751] ? perf_trace_lock_acquire+0xe3/0x980 [ 32.726776] ? perf_trace_lock+0x900/0x900 [ 32.726792] ? perf_trace_lock_acquire+0xe3/0x980 [ 32.726802] ? check_noncircular+0x20/0x20 [ 32.726810] ? print_irqtrace_events+0x270/0x270 [ 32.726816] ? find_held_lock+0x35/0x1d0 [ 32.726831] ? perf_trace_lock+0x900/0x900 [ 32.726845] ? task_will_free_mem+0x252/0xaa0 Connection to 10.128.0.17 closed by remote host. [