[?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. [ 19.054528] audit: type=1400 audit(1517476449.562:6): avc: denied { map } for pid=4096 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 81.024899] audit: type=1400 audit(1517476511.532:7): avc: denied { map } for pid=4114 comm="syzkaller045219" path="/root/syzkaller045219468" 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 [ 82.388397] syzkaller045219 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 82.402518] syzkaller045219 cpuset=/ mems_allowed=0 [ 82.407750] CPU: 1 PID: 4117 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 82.414822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.424161] Call Trace: [ 82.426726] dump_stack+0x194/0x257 [ 82.430330] ? arch_local_irq_restore+0x53/0x53 [ 82.434973] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 82.440143] dump_header+0x28c/0xe1e [ 82.443834] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 82.449024] ? pagefault_out_of_memory+0x152/0x152 [ 82.453930] ? check_noncircular+0x20/0x20 [ 82.458138] ? __lock_acquire+0x664/0x3e00 [ 82.462355] ? check_noncircular+0x20/0x20 [ 82.466566] ? find_held_lock+0x35/0x1d0 [ 82.470608] ? task_will_free_mem+0x252/0xaa0 [ 82.475080] ? print_irqtrace_events+0x270/0x270 [ 82.479829] ? ___ratelimit+0x30d/0x630 [ 82.483787] ? lock_downgrade+0x980/0x980 [ 82.487912] ? lock_release+0xa40/0xa40 [ 82.491865] ? mark_held_locks+0xaf/0x100 [ 82.495987] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 82.501064] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 82.506052] ? trace_hardirqs_on+0xd/0x10 [ 82.510177] ? ___ratelimit+0x95/0x630 [ 82.514039] ? idr_get_free_cmn+0xfd0/0xfd0 [ 82.518331] ? find_held_lock+0x138/0x1d0 [ 82.522458] oom_kill_process+0x8b9/0x1550 [ 82.526670] ? has_ns_capability_noaudit+0x163/0x2a0 [ 82.531746] ? lock_downgrade+0x980/0x980 [ 82.535872] ? oom_evaluate_task+0x480/0x480 [ 82.540274] ? security_capable_noaudit+0x8b/0xc0 [ 82.545093] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 82.550169] ? has_capability+0x30/0x30 [ 82.554111] ? do_raw_spin_trylock+0x190/0x190 [ 82.558673] ? check_noncircular+0x20/0x20 [ 82.562880] ? has_capability_noaudit+0x24/0x30 [ 82.567524] ? oom_badness+0xd1/0x980 [ 82.571296] ? lock_release+0xa40/0xa40 [ 82.575250] ? find_lock_task_mm+0x460/0x460 [ 82.579637] ? find_held_lock+0x35/0x1d0 [ 82.583689] ? out_of_memory+0xb3a/0x1220 [ 82.587809] ? lock_downgrade+0x980/0x980 [ 82.591933] ? lock_release+0xa40/0xa40 [ 82.595878] ? lock_acquire+0x1d5/0x580 [ 82.599823] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 82.604732] ? oom_evaluate_task+0x284/0x480 [ 82.609126] out_of_memory+0x86d/0x1220 [ 82.613073] ? find_next_bit+0x27/0x30 [ 82.616940] ? oom_killer_disable+0x310/0x310 [ 82.621408] ? mutex_trylock+0x23a/0x2d0 [ 82.625455] ? __lock_is_held+0xb6/0x140 [ 82.629489] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 82.634941] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 82.639780] ? warn_alloc+0x2b0/0x2b0 [ 82.643550] ? trace_hardirqs_off+0xd/0x10 [ 82.647756] ? switch_mm_irqs_off+0x7cb/0x15e0 [ 82.652315] ? mark_held_locks+0xaf/0x100 [ 82.656438] ? _raw_spin_unlock_irq+0x27/0x70 [ 82.660919] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 82.665910] ? trace_hardirqs_on+0xd/0x10 [ 82.670033] ? mmdrop+0x18/0x30 [ 82.673288] ? finish_task_switch+0x1f6/0x740 [ 82.677758] ? print_irqtrace_events+0x270/0x270 [ 82.682509] ? check_noncircular+0x20/0x20 [ 82.686717] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 82.691461] ? __lock_is_held+0xb6/0x140 [ 82.695511] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 82.701381] ? __might_sleep+0x95/0x190 [ 82.705335] __alloc_pages_nodemask+0x9fb/0xd80 [ 82.709985] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 82.714989] ? mark_held_locks+0xaf/0x100 [ 82.719114] ? retint_kernel+0x10/0x10 [ 82.722984] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 82.727984] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 82.732720] ? __lock_is_held+0xb6/0x140 [ 82.736768] ? rcu_note_context_switch+0x710/0x710 [ 82.741680] alloc_pages_current+0xb6/0x1e0 [ 82.745979] __vmalloc_node_range+0x409/0x650 [ 82.750466] ? xt_alloc_table_info+0x64/0xe0 [ 82.754858] __vmalloc_node_flags_caller+0x50/0x60 [ 82.759762] ? xt_alloc_table_info+0x64/0xe0 [ 82.764148] kvmalloc_node+0x82/0xd0 [ 82.767845] xt_alloc_table_info+0x64/0xe0 [ 82.772074] do_ipt_set_ctl+0x29b/0x5f0 [ 82.776049] ? translate_compat_table+0x1b90/0x1b90 [ 82.781062] ? mutex_unlock+0xd/0x10 [ 82.784756] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 82.790014] nf_setsockopt+0x67/0xc0 [ 82.793722] ip_setsockopt+0xa1/0xb0 [ 82.797415] sctp_setsockopt+0x2b6/0x61d0 [ 82.801545] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 82.807231] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 82.812499] ? lock_downgrade+0x980/0x980 [ 82.816620] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 82.821349] ? lock_release+0xa40/0xa40 [ 82.825296] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 82.831159] ? __lock_acquire+0x664/0x3e00 [ 82.835369] ? _cond_resched+0x14/0x30 [ 82.839229] ? clear_huge_page+0x309/0x730 [ 82.843448] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 82.848614] ? __thp_get_unmapped_area+0x130/0x130 [ 82.853531] ? __lock_acquire+0x664/0x3e00 [ 82.857760] ? check_noncircular+0x20/0x20 [ 82.861968] ? sock_map_fd+0x34/0x90 [ 82.865654] ? SyS_socket+0x125/0x1d0 [ 82.869433] ? do_fast_syscall_32+0x3ee/0xf9d [ 82.873918] ? entry_SYSENTER_compat+0x54/0x63 [ 82.878485] ? kmem_cache_alloc+0x12e/0x760 [ 82.882779] ? get_empty_filp+0xfb/0x4f0 [ 82.886812] ? alloc_file+0x26/0x390 [ 82.890508] ? find_held_lock+0x35/0x1d0 [ 82.894570] ? avc_has_perm+0x35e/0x680 [ 82.898532] ? lock_downgrade+0x980/0x980 [ 82.902682] ? lock_release+0xa40/0xa40 [ 82.906627] ? check_noncircular+0x20/0x20 [ 82.910834] ? lockdep_init_map+0x9/0x10 [ 82.914867] ? debug_mutex_init+0x2d/0x60 [ 82.918995] ? SyS_membarrier+0x600/0x600 [ 82.923129] ? avc_has_perm+0x43e/0x680 [ 82.927081] ? avc_has_perm_noaudit+0x520/0x520 [ 82.931733] ? __fget+0x333/0x570 [ 82.935168] ? lock_downgrade+0x980/0x980 [ 82.939292] ? lock_release+0xa40/0xa40 [ 82.943240] ? __lock_is_held+0xb6/0x140 [ 82.947299] ? sock_has_perm+0x2a4/0x420 [ 82.951347] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 82.956696] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 82.962391] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 82.967641] ? lock_downgrade+0x980/0x980 [ 82.971786] compat_sock_common_setsockopt+0x104/0x140 [ 82.977044] compat_SyS_setsockopt+0x17c/0x410 [ 82.981596] ? sock_common_setsockopt+0xd0/0xd0 [ 82.986242] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 82.990970] ? do_fast_syscall_32+0x156/0xf9d [ 82.995439] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 83.000342] do_fast_syscall_32+0x3ee/0xf9d [ 83.004643] ? do_int80_syscall_32+0x9d0/0x9d0 [ 83.009199] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.013934] ? syscall_return_slowpath+0x2ad/0x550 [ 83.018835] ? prepare_exit_to_usermode+0x340/0x340 [ 83.023825] ? retint_user+0x18/0x18 [ 83.027515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.032341] entry_SYSENTER_compat+0x54/0x63 [ 83.036730] RIP: 0023:0xf7f10c79 [ 83.040066] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 83.047746] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 83.054987] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 83.062232] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 83.069472] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 83.076714] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 83.084070] Mem-Info: [ 83.086557] active_anon:7961 inactive_anon:63 isolated_anon:0 [ 83.086557] active_file:14 inactive_file:14 isolated_file:0 [ 83.086557] unevictable:0 dirty:0 writeback:0 unstable:0 [ 83.086557] slab_reclaimable:8205 slab_unreclaimable:80585 [ 83.086557] mapped:3 shmem:70 pagetables:343 bounce:0 [ 83.086557] free:24163 free_pcp:0 free_cma:0 [ 83.118613] Node 0 active_anon:31844kB inactive_anon:252kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 18432kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 83.145534] 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 [ 83.171689] lowmem_reserve[]: 0 2868 6378 6378 [ 83.176318] Node 0 DMA32 free:43904kB 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 [ 83.203511] lowmem_reserve[]: 0 0 3510 3510 [ 83.207879] Node 0 Normal free:36840kB min:37100kB low:46372kB high:55644kB active_anon:31844kB inactive_anon:252kB active_file:48kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3136kB pagetables:1372kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 83.236394] lowmem_reserve[]: 0 0 0 0 [ 83.240239] 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 [ 83.253918] Node 0 DMA32: 2*4kB (M) 1*8kB (M) 3*16kB (M) 2*32kB (M) 2*64kB (UM) 3*128kB (M) 3*256kB (UM) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 8*4096kB (M) = 43904kB [ 83.269258] Node 0 Normal: 476*4kB (UME) 417*8kB (UME) 257*16kB (UME) 109*32kB (UME) 43*64kB (UM) 60*128kB (UM) 31*256kB (UM) 11*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 36840kB [ 83.285254] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 83.293843] 98 total pagecache pages [ 83.297581] 0 pages in swap cache [ 83.301062] Swap cache stats: add 0, delete 0, find 0/0 [ 83.306436] Free swap = 0kB [ 83.309470] Total swap = 0kB [ 83.312495] 1965969 pages RAM [ 83.315608] 0 pages HighMem/MovableOnly [ 83.319595] 328417 pages reserved [ 83.323113] Unreclaimable slab info: [ 83.326901] Name Used Total [ 83.332507] hashtab_node 118KB 119KB [ 83.337891] ebitmap_node 389KB 389KB [ 83.343263] avtab_node 1012KB 1013KB [ 83.348626] TIPC 1KB 7KB [ 83.353992] SCTPv6 2KB 4KB [ 83.359378] SCTP 14KB 14KB [ 83.364763] DCCPv6 2KB 7KB [ 83.370146] DCCP 2KB 6KB [ 83.375552] fib6_nodes 0KB 4KB [ 83.380932] ip6_dst_cache 7KB 11KB [ 83.386316] RAWv6 9KB 19KB [ 83.391702] UDPv6 14KB 14KB [ 83.397083] TCPv6 2KB 5KB [ 83.402478] sd_ext_cdb 0KB 3KB [ 83.407858] scsi_sense_cache 74KB 100KB [ 83.413242] virtio_scsi_cmd 16KB 16KB [ 83.418630] sgpool-128 8KB 8KB [ 83.424038] sgpool-64 4KB 6KB [ 83.429457] sgpool-32 70KB 70KB [ 83.436444] sgpool-16 23KB 26KB [ 83.442566] sgpool-8 156KB 157KB [ 83.448690] cfq_io_cq 14KB 15KB [ 83.454079] cfq_queue 22KB 27KB [ 83.459464] mqueue_inode_cache 1KB 7KB [ 83.464931] nfs_commit_data 3KB 7KB [ 83.470314] nfs_write_data 34KB 37KB [ 83.475702] jbd2_inode 1KB 3KB [ 83.481085] ext4_system_zone 0KB 3KB [ 83.486473] bio-1 1KB 3KB [ 83.491862] rpc_buffers 17KB 19KB [ 83.497277] rpc_tasks 2KB 3KB [ 83.504255] UNIX 780KB 780KB [ 83.510375] tcp_bind_bucket 0KB 4KB [ 83.516471] ip_fib_trie 0KB 3KB [ 83.522587] ip_fib_alias 0KB 3KB [ 83.527973] ip_dst_cache 7KB 8KB [ 83.533357] RAW 5KB 7KB [ 83.538734] UDP 31KB 31KB [ 83.544113] request_sock_TCP 1KB 3KB [ 83.549498] TCP 7KB 7KB [ 83.554884] hugetlbfs_inode_cache 1KB 7KB [ 83.560613] eventpoll_pwq 44KB 51KB [ 83.565982] eventpoll_epi 81KB 90KB [ 83.571355] inotify_inode_mark 3KB 11KB [ 83.576823] request_queue 31KB 39KB [ 83.582188] blkdev_ioc 19KB 23KB [ 83.587565] bio-0 277KB 277KB [ 83.592945] biovec-(1<<(21-12)) 462KB 462KB [ 83.598497] biovec-64 94KB 102KB [ 83.603880] biovec-16 10KB 15KB [ 83.609253] bio_integrity_payload 0KB 4KB [ 83.614978] khugepaged_mm_slot 1KB 3KB [ 83.620457] uid_cache 3KB 3KB [ 83.625826] dmaengine-unmap-2 0KB 3KB [ 83.631199] audit_buffer 0KB 3KB [ 83.636582] skbuff_fclone_cache 146KB 146KB [ 83.642139] skbuff_head_cache 1833KB 1833KB [ 83.647524] configfs_dir_cache 0KB 4KB [ 83.652987] file_lock_cache 166KB 166KB [ 83.658370] file_lock_ctx 1KB 3KB [ 83.663746] fsnotify_mark_connector 2KB 7KB [ 83.669646] shmem_inode_cache 1054KB 1054KB [ 83.675046] task_delay_info 347KB 347KB [ 83.680422] sigqueue 390KB 393KB [ 83.685795] kernfs_node_cache 3139KB 3142KB [ 83.691176] mnt_cache 15KB 16KB [ 83.696575] filp 8013KB 9521KB [ 83.701953] names_cache 104919KB 104958KB [ 83.707337] avc_node 38KB 43KB [ 83.712715] selinux_file_security 400KB 608KB [ 83.718445] selinux_inode_security 2208KB 2208KB [ 83.724259] key_jar 3KB 7KB [ 83.729642] nsproxy 0KB 3KB [ 83.735038] vm_area_struct 20813KB 20813KB [ 83.740415] mm_struct 4742KB 4742KB [ 83.745843] fs_cache 464KB 464KB [ 83.751223] files_cache 1732KB 1732KB [ 83.756611] signal_cache 2760KB 2760KB [ 83.762062] sighand_cache 245KB 277KB [ 83.767430] task_struct 11735KB 11760KB [ 83.772802] cred_jar 2372KB 2372KB [ 83.778182] anon_vma_chain 9099KB 9099KB [ 83.783562] anon_vma 180KB 342KB [ 83.788925] pid 244KB 244KB [ 83.794295] Acpi-Operand 312KB 788KB [ 83.799660] Acpi-Namespace 102KB 104KB [ 83.805048] numa_policy 0KB 3KB [ 83.810427] debug_objects_cache 799KB 799KB [ 83.815971] trace_event_file 149KB 151KB [ 83.821350] ftrace_event_field 261KB 263KB [ 83.826844] pool_workqueue 24KB 28KB [ 83.832214] page->ptl 3292KB 3292KB [ 83.837605] kmalloc-262144 1032KB 1032KB [ 83.842985] kmalloc-131072 650KB 650KB [ 83.848352] kmalloc-65536 264KB 264KB [ 83.853719] kmalloc-32768 825KB 825KB [ 83.859097] kmalloc-16384 181KB 181KB [ 83.864476] kmalloc-8192 528KB 528KB [ 83.869855] kmalloc-4096 4228KB 4267KB [ 83.875227] kmalloc-2048 4150KB 4150KB [ 83.880602] kmalloc-1024 3606KB 3606KB [ 83.885983] kmalloc-512 2872KB 2872KB [ 83.891409] kmalloc-256 1840KB 2583KB [ 83.896785] kmalloc-128 453KB 543KB [ 83.902167] kmalloc-96 292KB 384KB [ 83.907552] kmalloc-64 716KB 732KB [ 83.912928] kmalloc-32 1926KB 2803KB [ 83.918413] kmalloc-192 206KB 268KB [ 83.923791] kmem_cache 102KB 108KB [ 83.929173] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 83.937844] [ 2098] 0 2098 5451 251 81920 0 -1000 udevd [ 83.946072] [ 3820] 0 3820 2493 572 61440 0 0 dhclient [ 83.954507] [ 3957] 0 3957 14298 173 118784 0 0 rsyslogd [ 83.962969] [ 4012] 0 4012 4725 51 86016 0 0 cron [ 83.971050] [ 4027] 0 4027 3736 45 69632 0 0 mcstransd [ 83.979545] [ 4035] 0 4035 12927 1227 139264 0 0 restorecond [ 83.988228] [ 4058] 0 4058 12490 152 139264 0 -1000 sshd [ 83.996310] [ 4082] 0 4082 3694 41 77824 0 0 getty [ 84.004476] [ 4083] 0 4083 3694 40 77824 0 0 getty [ 84.012654] [ 4084] 0 4084 3694 41 73728 0 0 getty [ 84.020836] [ 4085] 0 4085 3694 42 77824 0 0 getty [ 84.029070] [ 4086] 0 4086 3694 39 77824 0 0 getty [ 84.037236] [ 4087] 0 4087 3694 39 73728 0 0 getty [ 84.045434] [ 4088] 0 4088 3649 37 77824 0 0 getty [ 84.053595] [ 4092] 0 4092 5681 455 77824 0 -1000 udevd [ 84.061762] [ 4093] 0 4093 5681 455 77824 0 -1000 udevd [ 84.069927] [ 4112] 0 4112 17821 197 188416 0 0 sshd [ 84.077998] [ 4114] 0 4114 238 1 28672 0 0 syzkaller045219 [ 84.087046] [ 4115] 0 4115 4333 520 32768 0 0 syzkaller045219 [ 84.096082] [ 4116] 0 4116 4333 520 32768 0 0 syzkaller045219 [ 84.105117] [ 4117] 0 4117 4333 520 32768 0 0 syzkaller045219 [ 84.114149] [ 4118] 0 4118 4333 520 32768 0 0 syzkaller045219 [ 84.123183] [ 4119] 0 4119 4333 520 32768 0 0 syzkaller045219 [ 84.132197] [ 4120] 0 4120 4333 520 32768 0 0 syzkaller045219 [ 84.141223] [ 4121] 0 4121 4333 520 32768 0 0 syzkaller045219 [ 84.150261] [ 4122] 0 4122 4333 520 32768 0 0 syzkaller045219 [ 84.159288] Out of memory: Kill process 4035 (restorecond) score 0 or sacrifice child [ 84.167632] Killed process 4035 (restorecond) total-vm:51708kB, anon-rss:4908kB, file-rss:0kB, shmem-rss:0kB [ 84.180399] oom_reaper: reaped process 4035 (restorecond), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 84.210795] syzkaller045219 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 84.224279] syzkaller045219 cpuset=/ mems_allowed=0 [ 84.229297] CPU: 0 PID: 4120 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 84.236375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.245708] Call Trace: [ 84.248275] dump_stack+0x194/0x257 [ 84.251877] ? arch_local_irq_restore+0x53/0x53 [ 84.256530] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 84.261709] dump_header+0x28c/0xe1e [ 84.265403] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 84.270569] ? pagefault_out_of_memory+0x152/0x152 [ 84.275495] ? check_noncircular+0x20/0x20 [ 84.279705] ? __lock_acquire+0x664/0x3e00 [ 84.283918] ? check_noncircular+0x20/0x20 [ 84.288132] ? find_held_lock+0x35/0x1d0 [ 84.292200] ? task_will_free_mem+0x252/0xaa0 [ 84.296691] ? print_irqtrace_events+0x270/0x270 [ 84.301449] ? ___ratelimit+0x30d/0x630 [ 84.305413] ? lock_downgrade+0x980/0x980 [ 84.309560] ? lock_release+0xa40/0xa40 [ 84.313530] ? mark_held_locks+0xaf/0x100 [ 84.317668] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 84.322761] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 84.327764] ? trace_hardirqs_on+0xd/0x10 [ 84.331904] ? ___ratelimit+0x95/0x630 [ 84.335781] ? idr_get_free_cmn+0xfd0/0xfd0 [ 84.340095] ? find_held_lock+0x138/0x1d0 [ 84.344246] oom_kill_process+0x8b9/0x1550 [ 84.348478] ? has_ns_capability_noaudit+0x163/0x2a0 [ 84.353574] ? lock_downgrade+0x980/0x980 [ 84.357727] ? oom_evaluate_task+0x480/0x480 [ 84.362140] ? security_capable_noaudit+0x8b/0xc0 [ 84.366978] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 84.372073] ? has_capability+0x30/0x30 [ 84.376035] ? do_raw_spin_trylock+0x190/0x190 [ 84.380621] ? check_noncircular+0x20/0x20 [ 84.384844] ? has_capability_noaudit+0x24/0x30 [ 84.389501] ? oom_badness+0xd1/0x980 [ 84.393289] ? lock_release+0xa40/0xa40 [ 84.397252] ? do_try_to_free_pages+0xc53/0x1020 [ 84.402004] ? find_lock_task_mm+0x460/0x460 [ 84.406411] ? find_held_lock+0x35/0x1d0 [ 84.410473] ? out_of_memory+0xb3a/0x1220 [ 84.414616] ? lock_downgrade+0x980/0x980 [ 84.418757] ? lock_release+0xa40/0xa40 [ 84.422719] ? lock_acquire+0x1d5/0x580 [ 84.426683] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 84.431613] ? oom_evaluate_task+0x284/0x480 [ 84.436019] out_of_memory+0x86d/0x1220 [ 84.439986] ? trace_hardirqs_on+0xd/0x10 [ 84.445086] ? oom_killer_disable+0x310/0x310 [ 84.449568] ? mutex_trylock+0x23a/0x2d0 [ 84.453629] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 84.459065] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 84.464957] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 84.469841] ? warn_alloc+0x2b0/0x2b0 [ 84.473652] ? _raw_spin_unlock_irq+0x27/0x70 [ 84.478148] ? check_noncircular+0x20/0x20 [ 84.482375] ? __enqueue_entity+0x109/0x1e0 [ 84.486707] ? print_irqtrace_events+0x270/0x270 [ 84.491453] ? check_noncircular+0x20/0x20 [ 84.495683] ? finish_task_switch+0x1d3/0x740 [ 84.500214] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 84.506103] ? __might_sleep+0x95/0x190 [ 84.510074] __alloc_pages_nodemask+0x9fb/0xd80 [ 84.514743] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 84.519752] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.525116] ? retint_kernel+0x10/0x10 [ 84.529010] ? __lock_is_held+0xb6/0x140 [ 84.533085] ? rcu_note_context_switch+0x710/0x710 [ 84.538014] alloc_pages_current+0xb6/0x1e0 [ 84.542335] __vmalloc_node_range+0x409/0x650 [ 84.546835] ? xt_alloc_table_info+0x64/0xe0 [ 84.551236] __vmalloc_node_flags_caller+0x50/0x60 [ 84.556156] ? xt_alloc_table_info+0x64/0xe0 [ 84.560557] kvmalloc_node+0x82/0xd0 [ 84.564264] xt_alloc_table_info+0x64/0xe0 [ 84.568488] do_ipt_set_ctl+0x29b/0x5f0 [ 84.572457] ? translate_compat_table+0x1b90/0x1b90 [ 84.577481] ? mutex_unlock+0xd/0x10 [ 84.581186] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 84.586463] nf_setsockopt+0x67/0xc0 [ 84.590174] ip_setsockopt+0xa1/0xb0 [ 84.593887] sctp_setsockopt+0x2b6/0x61d0 [ 84.598031] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 84.603734] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 84.609003] ? lock_downgrade+0x980/0x980 [ 84.613140] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 84.617883] ? lock_release+0xa40/0xa40 [ 84.621844] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 84.627721] ? __lock_acquire+0x664/0x3e00 [ 84.631945] ? _cond_resched+0x14/0x30 [ 84.635819] ? clear_huge_page+0x309/0x730 [ 84.640060] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 84.645245] ? __thp_get_unmapped_area+0x130/0x130 [ 84.650162] ? __lock_acquire+0x664/0x3e00 [ 84.654389] ? check_noncircular+0x20/0x20 [ 84.658608] ? sock_map_fd+0x34/0x90 [ 84.662308] ? SyS_socket+0x125/0x1d0 [ 84.666095] ? do_fast_syscall_32+0x3ee/0xf9d [ 84.670578] ? entry_SYSENTER_compat+0x54/0x63 [ 84.675147] ? kmem_cache_alloc+0x12e/0x760 [ 84.679454] ? get_empty_filp+0xfb/0x4f0 [ 84.683503] ? alloc_file+0x26/0x390 [ 84.687225] ? find_held_lock+0x35/0x1d0 [ 84.691291] ? avc_has_perm+0x35e/0x680 [ 84.695256] ? lock_downgrade+0x980/0x980 [ 84.699400] ? lock_release+0xa40/0xa40 [ 84.703360] ? check_noncircular+0x20/0x20 [ 84.707581] ? lockdep_init_map+0x9/0x10 [ 84.711627] ? debug_mutex_init+0x2d/0x60 [ 84.715771] ? SyS_membarrier+0x600/0x600 [ 84.719917] ? avc_has_perm+0x43e/0x680 [ 84.723888] ? avc_has_perm_noaudit+0x520/0x520 [ 84.728545] ? __fget+0x333/0x570 [ 84.731996] ? lock_downgrade+0x980/0x980 [ 84.736138] ? lock_release+0xa40/0xa40 [ 84.740112] ? __lock_is_held+0xb6/0x140 [ 84.744187] ? sock_has_perm+0x2a4/0x420 [ 84.748243] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 84.753597] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 84.759300] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 84.764563] ? lock_downgrade+0x980/0x980 [ 84.768732] compat_sock_common_setsockopt+0x104/0x140 [ 84.774005] compat_SyS_setsockopt+0x17c/0x410 [ 84.778578] ? sock_common_setsockopt+0xd0/0xd0 [ 84.783246] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 84.788002] ? do_fast_syscall_32+0x156/0xf9d [ 84.792497] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 84.797246] do_fast_syscall_32+0x3ee/0xf9d [ 84.801570] ? do_int80_syscall_32+0x9d0/0x9d0 [ 84.806141] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.810898] ? syscall_return_slowpath+0x2ad/0x550 [ 84.815817] ? prepare_exit_to_usermode+0x340/0x340 [ 84.820823] ? retint_user+0x18/0x18 [ 84.824534] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.829379] entry_SYSENTER_compat+0x54/0x63 [ 84.833772] RIP: 0023:0xf7f10c79 [ 84.837121] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 84.844822] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 84.852080] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 84.859335] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 84.866592] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 84.873848] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 84.881275] Mem-Info: [ 84.889096] active_anon:6732 inactive_anon:63 isolated_anon:0 [ 84.889096] active_file:14 inactive_file:13 isolated_file:1 [ 84.889096] unevictable:0 dirty:0 writeback:0 unstable:0 [ 84.889096] slab_reclaimable:8205 slab_unreclaimable:79977 [ 84.889096] mapped:3 shmem:70 pagetables:315 bounce:0 [ 84.889096] free:24223 free_pcp:202 free_cma:0 [ 84.930701] Node 0 active_anon:26928kB inactive_anon:252kB active_file:156kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 84.957738] 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 [ 84.983869] lowmem_reserve[]: 0 2868 6378 6378 [ 84.988462] Node 0 DMA32 free:43904kB 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 [ 85.016552] lowmem_reserve[]: 0 0 3510 3510 [ 85.020875] Node 0 Normal free:37080kB min:37100kB low:46372kB high:55644kB active_anon:26928kB inactive_anon:252kB active_file:108kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3104kB pagetables:1260kB bounce:0kB free_pcp:808kB local_pcp:120kB free_cma:0kB [ 85.049866] lowmem_reserve[]: 0 0 0 0 [ 85.053693] 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 [ 85.067266] Node 0 DMA32: 2*4kB (M) 1*8kB (M) 3*16kB (M) 2*32kB (M) 2*64kB (UM) 3*128kB (M) 3*256kB (UM) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 8*4096kB (M) = 43904kB [ 85.082490] Node 0 Normal: 462*4kB (ME) 414*8kB (ME) 257*16kB (UME) 131*32kB (UME) 47*64kB (UM) 59*128kB (M) 29*256kB (M) 9*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 37080kB [ 85.098258] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 85.106825] 98 total pagecache pages [ 85.110538] 0 pages in swap cache [ 85.113984] Swap cache stats: add 0, delete 0, find 0/0 [ 85.119339] Free swap = 0kB [ 85.122344] Total swap = 0kB [ 85.125350] 1965969 pages RAM [ 85.128443] 0 pages HighMem/MovableOnly [ 85.132404] 328417 pages reserved [ 85.135845] Unreclaimable slab info: [ 85.139571] Name Used Total [ 85.145523] hashtab_node 118KB 119KB [ 85.150880] ebitmap_node 389KB 389KB [ 85.156377] avtab_node 1012KB 1013KB [ 85.161764] TIPC 1KB 7KB [ 85.167120] SCTPv6 2KB 4KB [ 85.172473] SCTP 14KB 14KB [ 85.177840] DCCPv6 2KB 7KB [ 85.183195] DCCP 2KB 6KB [ 85.188556] fib6_nodes 0KB 4KB [ 85.193910] ip6_dst_cache 7KB 11KB [ 85.199265] RAWv6 9KB 19KB [ 85.204618] UDPv6 14KB 14KB [ 85.209974] TCPv6 2KB 5KB [ 85.215337] sd_ext_cdb 0KB 3KB [ 85.220687] scsi_sense_cache 74KB 100KB [ 85.226049] virtio_scsi_cmd 16KB 16KB [ 85.231411] sgpool-128 8KB 8KB [ 85.236763] sgpool-64 4KB 6KB [ 85.242121] sgpool-32 70KB 70KB [ 85.247473] sgpool-16 23KB 26KB [ 85.252831] sgpool-8 156KB 157KB [ 85.258191] cfq_io_cq 14KB 15KB [ 85.263543] cfq_queue 22KB 27KB [ 85.268918] mqueue_inode_cache 1KB 7KB [ 85.274779] nfs_commit_data 3KB 7KB [ 85.280145] nfs_write_data 34KB 37KB [ 85.285501] jbd2_inode 1KB 3KB [ 85.290858] ext4_system_zone 0KB 3KB [ 85.296215] bio-1 1KB 3KB [ 85.301572] rpc_buffers 17KB 19KB [ 85.306933] rpc_tasks 2KB 3KB [ 85.312290] UNIX 780KB 780KB [ 85.317655] tcp_bind_bucket 0KB 4KB [ 85.323024] ip_fib_trie 0KB 3KB [ 85.328374] ip_fib_alias 0KB 3KB [ 85.333726] ip_dst_cache 7KB 8KB [ 85.339078] RAW 5KB 7KB [ 85.344445] UDP 31KB 31KB [ 85.349813] request_sock_TCP 1KB 3KB [ 85.355174] TCP 7KB 7KB [ 85.360529] hugetlbfs_inode_cache 1KB 7KB [ 85.366230] eventpoll_pwq 44KB 51KB [ 85.371586] eventpoll_epi 81KB 90KB [ 85.376938] inotify_inode_mark 3KB 11KB [ 85.382384] request_queue 31KB 39KB [ 85.387735] blkdev_ioc 19KB 23KB [ 85.393086] bio-0 277KB 277KB [ 85.398437] biovec-(1<<(21-12)) 462KB 462KB [ 85.404424] biovec-64 94KB 102KB [ 85.409781] biovec-16 10KB 15KB [ 85.415133] bio_integrity_payload 0KB 4KB [ 85.420833] khugepaged_mm_slot 1KB 3KB [ 85.426276] uid_cache 3KB 3KB [ 85.431626] dmaengine-unmap-2 0KB 3KB [ 85.436978] audit_buffer 0KB 3KB [ 85.442329] skbuff_fclone_cache 146KB 146KB [ 85.447865] skbuff_head_cache 1833KB 1833KB [ 85.453225] configfs_dir_cache 0KB 4KB [ 85.458666] file_lock_cache 166KB 166KB [ 85.464038] file_lock_ctx 1KB 3KB [ 85.469400] fsnotify_mark_connector 2KB 7KB [ 85.475380] shmem_inode_cache 1054KB 1054KB [ 85.480732] task_delay_info 347KB 347KB [ 85.486090] sigqueue 390KB 393KB [ 85.491458] kernfs_node_cache 3139KB 3142KB [ 85.496817] mnt_cache 15KB 16KB [ 85.502169] filp 7946KB 9491KB [ 85.507520] names_cache 103950KB 103989KB [ 85.512876] avc_node 38KB 43KB [ 85.518228] selinux_file_security 400KB 608KB [ 85.523935] selinux_inode_security 2208KB 2208KB [ 85.529733] key_jar 3KB 7KB [ 85.535093] nsproxy 0KB 3KB [ 85.540867] vm_area_struct 20680KB 20809KB [ 85.546219] mm_struct 4742KB 4742KB [ 85.551569] fs_cache 464KB 464KB [ 85.556936] files_cache 1732KB 1732KB [ 85.562310] signal_cache 2760KB 2760KB [ 85.567659] sighand_cache 245KB 277KB [ 85.573020] task_struct 11613KB 11668KB [ 85.578374] cred_jar 2372KB 2372KB [ 85.583725] anon_vma_chain 9048KB 9095KB [ 85.589087] anon_vma 180KB 342KB [ 85.594439] pid 244KB 244KB [ 85.599790] Acpi-Operand 312KB 788KB [ 85.605147] Acpi-Namespace 102KB 104KB [ 85.610501] numa_policy 0KB 3KB [ 85.615860] debug_objects_cache 799KB 799KB [ 85.621382] trace_event_file 149KB 151KB [ 85.626732] ftrace_event_field 261KB 263KB [ 85.632170] pool_workqueue 24KB 28KB [ 85.637522] page->ptl 3292KB 3292KB [ 85.642884] kmalloc-262144 1032KB 1032KB [ 85.648233] kmalloc-131072 650KB 650KB [ 85.653582] kmalloc-65536 264KB 264KB [ 85.658943] kmalloc-32768 825KB 825KB [ 85.664293] kmalloc-16384 181KB 181KB [ 85.669664] kmalloc-8192 528KB 528KB [ 85.675431] kmalloc-4096 3990KB 4029KB [ 85.680785] kmalloc-2048 4150KB 4150KB [ 85.686137] kmalloc-1024 3606KB 3606KB [ 85.691490] kmalloc-512 2872KB 2872KB [ 85.696842] kmalloc-256 1840KB 2583KB [ 85.702190] kmalloc-128 453KB 543KB [ 85.707540] kmalloc-96 292KB 384KB [ 85.712890] kmalloc-64 716KB 732KB [ 85.718241] kmalloc-32 1926KB 2803KB [ 85.723592] kmalloc-192 206KB 268KB [ 85.729046] kmem_cache 102KB 108KB [ 85.734404] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 85.742991] [ 2098] 0 2098 5451 251 81920 0 -1000 udevd [ 85.751132] [ 3820] 0 3820 2493 572 61440 0 0 dhclient [ 85.759526] [ 3957] 0 3957 14298 173 118784 0 0 rsyslogd [ 85.767972] [ 4012] 0 4012 4725 51 86016 0 0 cron [ 85.776079] [ 4027] 0 4027 3736 45 69632 0 0 mcstransd [ 85.784596] [ 4058] 0 4058 12490 152 139264 0 -1000 sshd [ 85.792676] [ 4082] 0 4082 3694 41 77824 0 0 getty [ 85.800842] [ 4083] 0 4083 3694 40 77824 0 0 getty [ 85.809070] [ 4084] 0 4084 3694 41 73728 0 0 getty [ 85.817234] [ 4085] 0 4085 3694 42 77824 0 0 getty [ 85.825401] [ 4086] 0 4086 3694 39 77824 0 0 getty [ 85.833651] [ 4087] 0 4087 3694 39 73728 0 0 getty [ 85.841813] [ 4088] 0 4088 3649 37 77824 0 0 getty [ 85.849976] [ 4092] 0 4092 5681 455 77824 0 -1000 udevd [ 85.858141] [ 4093] 0 4093 5681 455 77824 0 -1000 udevd [ 85.866309] [ 4112] 0 4112 17821 197 188416 0 0 sshd [ 85.874388] [ 4114] 0 4114 238 1 28672 0 0 syzkaller045219 [ 85.883425] [ 4115] 0 4115 4333 520 32768 0 0 syzkaller045219 [ 85.892457] [ 4116] 0 4116 4333 520 32768 0 0 syzkaller045219 [ 85.901490] [ 4117] 0 4117 4333 520 32768 0 0 syzkaller045219 [ 85.910523] [ 4118] 0 4118 4333 520 32768 0 0 syzkaller045219 [ 85.919554] [ 4119] 0 4119 4333 520 32768 0 0 syzkaller045219 [ 85.928582] [ 4120] 0 4120 4333 520 32768 0 0 syzkaller045219 [ 85.937643] [ 4121] 0 4121 4333 520 32768 0 0 syzkaller045219 [ 85.946678] [ 4122] 0 4122 4333 520 32768 0 0 syzkaller045219 [ 85.955705] Out of memory: Kill process 3820 (dhclient) score 0 or sacrifice child [ 85.966779] Killed process 3820 (dhclient) total-vm:9972kB, anon-rss:2288kB, file-rss:0kB, shmem-rss:0kB [ 86.802438] syzkaller045219 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 86.827944] syzkaller045219 cpuset=/ mems_allowed=0 [ 86.833084] CPU: 0 PID: 4115 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 86.840170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.849510] Call Trace: [ 86.852089] dump_stack+0x194/0x257 [ 86.855711] ? arch_local_irq_restore+0x53/0x53 [ 86.860376] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 86.865587] dump_header+0x28c/0xe1e [ 86.869301] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 86.874486] ? pagefault_out_of_memory+0x152/0x152 [ 86.879415] ? check_noncircular+0x20/0x20 [ 86.883645] ? __lock_acquire+0x664/0x3e00 [ 86.887889] ? check_noncircular+0x20/0x20 [ 86.892118] ? find_held_lock+0x35/0x1d0 [ 86.896188] ? task_will_free_mem+0x252/0xaa0 [ 86.900681] ? print_irqtrace_events+0x270/0x270 [ 86.905437] ? ___ratelimit+0x30d/0x630 [ 86.909401] ? lock_downgrade+0x980/0x980 [ 86.913543] ? lock_release+0xa40/0xa40 [ 86.917515] ? mark_held_locks+0xaf/0x100 [ 86.921653] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 86.926750] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 86.931758] ? trace_hardirqs_on+0xd/0x10 [ 86.935906] ? ___ratelimit+0x95/0x630 [ 86.939787] ? idr_get_free_cmn+0xfd0/0xfd0 [ 86.944099] ? find_held_lock+0x138/0x1d0 [ 86.948250] oom_kill_process+0x8b9/0x1550 [ 86.952479] ? has_ns_capability_noaudit+0x163/0x2a0 [ 86.957570] ? lock_downgrade+0x980/0x980 [ 86.961716] ? oom_evaluate_task+0x480/0x480 [ 86.966129] ? security_capable_noaudit+0x8b/0xc0 [ 86.970968] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 86.976063] ? has_capability+0x30/0x30 [ 86.980046] ? do_raw_spin_trylock+0x190/0x190 [ 86.984632] ? check_noncircular+0x20/0x20 [ 86.988858] ? has_capability_noaudit+0x24/0x30 [ 86.993520] ? oom_badness+0xd1/0x980 [ 86.997310] ? lock_release+0xa40/0xa40 [ 87.001274] ? do_try_to_free_pages+0xc53/0x1020 [ 87.006024] ? find_lock_task_mm+0x460/0x460 [ 87.010434] ? find_held_lock+0x35/0x1d0 [ 87.014498] ? out_of_memory+0xb3a/0x1220 [ 87.018640] ? lock_downgrade+0x980/0x980 [ 87.022786] ? lock_release+0xa40/0xa40 [ 87.026747] ? lock_acquire+0x1d5/0x580 [ 87.030717] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 87.035648] ? oom_evaluate_task+0x284/0x480 [ 87.040053] out_of_memory+0x86d/0x1220 [ 87.044033] ? oom_killer_disable+0x310/0x310 [ 87.048519] ? mutex_trylock+0x23a/0x2d0 [ 87.052572] ? __lock_is_held+0xb6/0x140 [ 87.056621] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 87.062085] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 87.066965] ? warn_alloc+0x2b0/0x2b0 [ 87.070753] ? trace_hardirqs_off+0xd/0x10 [ 87.074979] ? switch_mm_irqs_off+0x7cb/0x15e0 [ 87.079563] ? mark_held_locks+0xaf/0x100 [ 87.083702] ? _raw_spin_unlock_irq+0x27/0x70 [ 87.088193] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 87.093198] ? trace_hardirqs_on+0xd/0x10 [ 87.097336] ? mmdrop+0x18/0x30 [ 87.100606] ? finish_task_switch+0x1f6/0x740 [ 87.105119] ? check_noncircular+0x20/0x20 [ 87.109401] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 87.115291] ? __might_sleep+0x95/0x190 [ 87.119261] __alloc_pages_nodemask+0x9fb/0xd80 [ 87.123929] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 87.128938] ? __sched_text_start+0x8/0x8 [ 87.133083] ? mark_held_locks+0xaf/0x100 [ 87.137219] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.141963] ? retint_kernel+0x10/0x10 [ 87.145845] ? __lock_is_held+0xb6/0x140 [ 87.149894] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.154659] ? rcu_note_context_switch+0x710/0x710 [ 87.159589] alloc_pages_current+0xb6/0x1e0 [ 87.163909] __vmalloc_node_range+0x409/0x650 [ 87.168412] ? xt_alloc_table_info+0x64/0xe0 [ 87.172811] __vmalloc_node_flags_caller+0x50/0x60 [ 87.177731] ? xt_alloc_table_info+0x64/0xe0 [ 87.182135] kvmalloc_node+0x82/0xd0 [ 87.185843] xt_alloc_table_info+0x64/0xe0 [ 87.190078] do_ipt_set_ctl+0x29b/0x5f0 [ 87.194052] ? translate_compat_table+0x1b90/0x1b90 [ 87.199077] ? mutex_unlock+0xd/0x10 [ 87.202778] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 87.208050] nf_setsockopt+0x67/0xc0 [ 87.211761] ip_setsockopt+0xa1/0xb0 [ 87.215472] sctp_setsockopt+0x2b6/0x61d0 [ 87.219619] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 87.225321] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 87.230592] ? lock_downgrade+0x980/0x980 [ 87.234731] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 87.239479] ? lock_release+0xa40/0xa40 [ 87.243442] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 87.249321] ? __lock_acquire+0x664/0x3e00 [ 87.253549] ? _cond_resched+0x14/0x30 [ 87.257425] ? clear_huge_page+0x309/0x730 [ 87.261670] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 87.266856] ? __thp_get_unmapped_area+0x130/0x130 [ 87.271776] ? __lock_acquire+0x664/0x3e00 [ 87.276003] ? check_noncircular+0x20/0x20 [ 87.280225] ? sock_map_fd+0x34/0x90 [ 87.283924] ? SyS_socket+0x125/0x1d0 [ 87.287711] ? do_fast_syscall_32+0x3ee/0xf9d [ 87.292192] ? entry_SYSENTER_compat+0x54/0x63 [ 87.296763] ? kmem_cache_alloc+0x12e/0x760 [ 87.301072] ? get_empty_filp+0xfb/0x4f0 [ 87.305118] ? alloc_file+0x26/0x390 [ 87.308840] ? find_held_lock+0x35/0x1d0 [ 87.312907] ? avc_has_perm+0x35e/0x680 [ 87.316871] ? lock_downgrade+0x980/0x980 [ 87.321019] ? lock_release+0xa40/0xa40 [ 87.324978] ? check_noncircular+0x20/0x20 [ 87.329198] ? lockdep_init_map+0x9/0x10 [ 87.333248] ? debug_mutex_init+0x2d/0x60 [ 87.337394] ? SyS_membarrier+0x600/0x600 [ 87.341538] ? avc_has_perm+0x43e/0x680 [ 87.345507] ? avc_has_perm_noaudit+0x520/0x520 [ 87.350166] ? __fget+0x333/0x570 [ 87.353609] ? lock_downgrade+0x980/0x980 [ 87.357750] ? lock_release+0xa40/0xa40 [ 87.361719] ? __lock_is_held+0xb6/0x140 [ 87.365798] ? sock_has_perm+0x2a4/0x420 [ 87.369853] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 87.375214] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 87.380916] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 87.386177] ? lock_downgrade+0x980/0x980 [ 87.390345] compat_sock_common_setsockopt+0x104/0x140 [ 87.395618] compat_SyS_setsockopt+0x17c/0x410 [ 87.400187] ? sock_common_setsockopt+0xd0/0xd0 [ 87.404852] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 87.409606] ? do_fast_syscall_32+0x156/0xf9d [ 87.414097] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 87.418844] do_fast_syscall_32+0x3ee/0xf9d [ 87.423167] ? do_int80_syscall_32+0x9d0/0x9d0 [ 87.427738] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.432493] ? syscall_return_slowpath+0x2ad/0x550 [ 87.437414] ? prepare_exit_to_usermode+0x340/0x340 [ 87.442424] ? retint_user+0x18/0x18 [ 87.446137] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 87.450983] entry_SYSENTER_compat+0x54/0x63 [ 87.455379] RIP: 0023:0xf7f10c79 [ 87.458727] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 87.466425] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 87.473684] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 87.480941] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 87.488197] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 87.495453] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 87.502899] Mem-Info: [ 87.520171] active_anon:6160 inactive_anon:63 isolated_anon:0 [ 87.520171] active_file:4 inactive_file:0 isolated_file:25 [ 87.520171] unevictable:0 dirty:0 writeback:0 unstable:0 [ 87.520171] slab_reclaimable:8205 slab_unreclaimable:79948 [ 87.520171] mapped:3 shmem:70 pagetables:306 bounce:0 [ 87.520171] free:24220 free_pcp:210 free_cma:0 [ 87.558967] Node 0 active_anon:24640kB inactive_anon:252kB active_file:104kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 87.591577] 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 [ 87.630478] lowmem_reserve[]: 0 2868 6378 6378 [ 87.647356] Node 0 DMA32 free:43904kB 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 [ 87.690272] lowmem_reserve[]: 0 0 3510 3510 [ 87.707649] Node 0 Normal free:37068kB min:37100kB low:46372kB high:55644kB active_anon:24640kB inactive_anon:252kB active_file:96kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3072kB pagetables:1224kB bounce:0kB free_pcp:840kB local_pcp:124kB free_cma:0kB [ 87.742884] lowmem_reserve[]: 0 0 0 0 [ 87.753523] 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 [ 87.767182] Node 0 DMA32: 2*4kB (M) 1*8kB (M) 3*16kB (M) 2*32kB (M) 2*64kB (UM) 3*128kB (M) 3*256kB (UM) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 8*4096kB (M) = 43904kB [ 87.783250] Node 0 Normal: 429*4kB (UME) 339*8kB (UME) 246*16kB (ME) 147*32kB (UME) 61*64kB (UM) 61*128kB (UM) 30*256kB (M) 9*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37068kB [ 87.798993] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 87.807596] 98 total pagecache pages [ 87.811332] 0 pages in swap cache [ 87.814797] Swap cache stats: add 0, delete 0, find 0/0 [ 87.820169] Free swap = 0kB [ 87.823196] Total swap = 0kB [ 87.826221] 1965969 pages RAM [ 87.829337] 0 pages HighMem/MovableOnly [ 87.833320] 328417 pages reserved [ 87.836782] Unreclaimable slab info: [ 87.840510] Name Used Total [ 87.846066] hashtab_node 118KB 119KB [ 87.860981] ebitmap_node 388KB 389KB [ 87.882597] avtab_node 1012KB 1013KB [ 87.888040] TIPC 1KB 7KB [ 87.894590] SCTPv6 2KB 4KB [ 87.902919] SCTP 14KB 14KB [ 87.908311] DCCPv6 2KB 7KB [ 87.914468] DCCP 2KB 6KB [ 87.919878] fib6_nodes 0KB 4KB [ 87.925260] ip6_dst_cache 6KB 11KB [ 87.930640] RAWv6 9KB 19KB [ 87.936038] UDPv6 12KB 14KB [ 87.941417] TCPv6 2KB 5KB [ 87.946819] sd_ext_cdb 0KB 3KB [ 87.952198] scsi_sense_cache 73KB 100KB [ 87.957579] virtio_scsi_cmd 16KB 16KB [ 87.962963] sgpool-128 8KB 8KB [ 87.968344] sgpool-64 4KB 6KB [ 87.973723] sgpool-32 68KB 70KB [ 87.979101] sgpool-16 23KB 26KB [ 88.003816] sgpool-8 155KB 157KB [ 88.036365] cfq_io_cq 14KB 15KB [ 88.043921] cfq_queue 22KB 27KB [ 88.052087] mqueue_inode_cache 1KB 7KB [ 88.063534] nfs_commit_data 3KB 7KB [ 88.068923] nfs_write_data 34KB 37KB [ 88.074304] jbd2_inode 1KB 3KB [ 88.079683] ext4_system_zone 0KB 3KB [ 88.085066] bio-1 1KB 3KB [ 88.090450] rpc_buffers 17KB 19KB [ 88.095829] rpc_tasks 2KB 3KB [ 88.101205] UNIX 780KB 780KB [ 88.106580] tcp_bind_bucket 0KB 4KB [ 88.111962] ip_fib_trie 0KB 3KB [ 88.117371] ip_fib_alias 0KB 3KB [ 88.122747] ip_dst_cache 4KB 8KB [ 88.128125] RAW 5KB 7KB [ 88.133500] UDP 29KB 31KB [ 88.138875] request_sock_TCP 0KB 3KB [ 88.165764] TCP 7KB 7KB [ 88.188887] hugetlbfs_inode_cache 1KB 7KB [ 88.194668] eventpoll_pwq 44KB 51KB [ 88.200065] eventpoll_epi 81KB 90KB [ 88.205419] inotify_inode_mark 3KB 11KB [ 88.210879] request_queue 31KB 39KB [ 88.216231] blkdev_ioc 19KB 23KB [ 88.221583] bio-0 274KB 277KB [ 88.226943] biovec-(1<<(21-12)) 462KB 462KB [ 88.232477] biovec-64 94KB 102KB [ 88.237867] biovec-16 10KB 15KB [ 88.243266] bio_integrity_payload 0KB 4KB [ 88.249029] khugepaged_mm_slot 1KB 3KB [ 88.254498] uid_cache 2KB 3KB [ 88.260043] dmaengine-unmap-2 0KB 3KB [ 88.265425] audit_buffer 0KB 3KB [ 88.270781] skbuff_fclone_cache 144KB 146KB [ 88.276910] skbuff_head_cache 1832KB 1833KB [ 88.282262] configfs_dir_cache 0KB 4KB [ 88.287698] file_lock_cache 164KB 166KB [ 88.293051] file_lock_ctx 1KB 3KB [ 88.299379] fsnotify_mark_connector 2KB 7KB [ 88.305290] shmem_inode_cache 1054KB 1054KB [ 88.310677] task_delay_info 342KB 347KB [ 88.316058] sigqueue 388KB 393KB [ 88.321437] kernfs_node_cache 3139KB 3142KB [ 88.326817] mnt_cache 15KB 16KB [ 88.332195] filp 7905KB 9457KB [ 88.337574] names_cache 103942KB 103980KB [ 88.342962] avc_node 38KB 43KB [ 88.348348] selinux_file_security 395KB 608KB [ 88.354074] selinux_inode_security 2202KB 2208KB [ 88.359891] key_jar 3KB 7KB [ 88.365258] nsproxy 0KB 3KB [ 88.370747] vm_area_struct 20675KB 20809KB [ 88.376134] mm_struct 4726KB 4742KB [ 88.381521] fs_cache 456KB 464KB [ 88.386906] files_cache 1711KB 1732KB [ 88.392284] signal_cache 2745KB 2760KB [ 88.397668] sighand_cache 231KB 277KB [ 88.403171] task_struct 11588KB 11643KB [ 88.408645] cred_jar 2360KB 2372KB [ 88.414041] anon_vma_chain 9044KB 9095KB [ 88.419428] anon_vma 162KB 342KB [ 88.424812] pid 240KB 244KB [ 88.430212] Acpi-Operand 312KB 788KB [ 88.435610] Acpi-Namespace 102KB 104KB [ 88.440999] numa_policy 0KB 3KB [ 88.446393] debug_objects_cache 799KB 799KB [ 88.451949] trace_event_file 149KB 151KB [ 88.457329] ftrace_event_field 261KB 263KB [ 88.462799] pool_workqueue 24KB 28KB [ 88.468178] page->ptl 3288KB 3292KB [ 88.473701] kmalloc-262144 1032KB 1032KB [ 88.479089] kmalloc-131072 650KB 650KB [ 88.484470] kmalloc-65536 264KB 264KB [ 88.489847] kmalloc-32768 825KB 825KB [ 88.495222] kmalloc-16384 181KB 181KB [ 88.500601] kmalloc-8192 528KB 528KB [ 88.505981] kmalloc-4096 3973KB 4012KB [ 88.511366] kmalloc-2048 4150KB 4150KB [ 88.516950] kmalloc-1024 3601KB 3606KB [ 88.522356] kmalloc-512 2865KB 2872KB [ 88.527739] kmalloc-256 1820KB 2580KB [ 88.533122] kmalloc-128 450KB 543KB [ 88.538500] kmalloc-96 292KB 384KB [ 88.543879] kmalloc-64 713KB 732KB [ 88.549260] kmalloc-32 1917KB 2803KB [ 88.554641] kmalloc-192 206KB 268KB [ 88.560036] kmem_cache 102KB 108KB [ 88.565415] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 88.574073] [ 2098] 0 2098 5451 251 81920 0 -1000 udevd [ 88.582265] [ 3957] 0 3957 14298 173 118784 0 0 rsyslogd [ 88.590698] [ 4012] 0 4012 4725 51 86016 0 0 cron [ 88.598777] [ 4027] 0 4027 3736 45 69632 0 0 mcstransd [ 88.607295] [ 4058] 0 4058 12490 152 139264 0 -1000 sshd [ 88.615382] [ 4082] 0 4082 3694 41 77824 0 0 getty [ 88.623555] [ 4083] 0 4083 3694 40 77824 0 0 getty [ 88.631746] [ 4084] 0 4084 3694 41 73728 0 0 getty [ 88.639925] [ 4085] 0 4085 3694 42 77824 0 0 getty [ 88.648098] [ 4086] 0 4086 3694 39 77824 0 0 getty [ 88.656271] [ 4087] 0 4087 3694 39 73728 0 0 getty [ 88.664437] [ 4088] 0 4088 3649 37 77824 0 0 getty [ 88.672608] [ 4092] 0 4092 5681 455 77824 0 -1000 udevd [ 88.680786] [ 4093] 0 4093 5681 455 77824 0 -1000 udevd [ 88.688952] [ 4112] 0 4112 17821 197 188416 0 0 sshd [ 88.697049] [ 4114] 0 4114 238 1 28672 0 0 syzkaller045219 [ 88.706089] [ 4115] 0 4115 4333 520 32768 0 0 syzkaller045219 [ 88.715128] [ 4116] 0 4116 4333 520 32768 0 0 syzkaller045219 [ 88.724168] [ 4117] 0 4117 4333 520 32768 0 0 syzkaller045219 [ 88.733204] [ 4118] 0 4118 4333 520 32768 0 0 syzkaller045219 [ 88.742258] [ 4119] 0 4119 4333 520 32768 0 0 syzkaller045219 [ 88.751291] [ 4120] 0 4120 4333 520 32768 0 0 syzkaller045219 [ 88.760334] [ 4121] 0 4121 4333 520 32768 0 0 syzkaller045219 [ 88.769391] [ 4122] 0 4122 4333 520 32768 0 0 syzkaller045219 [ 88.778422] Out of memory: Kill process 4115 (syzkaller045219) score 0 or sacrifice child [ 88.786848] Killed process 4115 (syzkaller045219) total-vm:17332kB, anon-rss:2080kB, file-rss:0kB, shmem-rss:0kB [ 88.802208] oom_reaper: reaped process 4115 (syzkaller045219), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 88.814515] syzkaller045219 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 88.830698] syzkaller045219 cpuset=/ mems_allowed=0 [ 88.835847] CPU: 0 PID: 4116 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 88.842932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.852275] Call Trace: [ 88.854856] dump_stack+0x194/0x257 [ 88.857567] syzkaller045219: vmalloc: allocation failure, allocated 691089408 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 88.857576] syzkaller045219 cpuset=/ mems_allowed=0 [ 88.876358] ? arch_local_irq_restore+0x53/0x53 [ 88.881013] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 88.886202] dump_header+0x28c/0xe1e [ 88.889910] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 88.895174] ? pagefault_out_of_memory+0x152/0x152 [ 88.900094] ? check_noncircular+0x20/0x20 [ 88.904317] ? __lock_acquire+0x664/0x3e00 [ 88.908550] ? check_noncircular+0x20/0x20 [ 88.912769] ? find_held_lock+0x35/0x1d0 [ 88.916829] ? task_will_free_mem+0x252/0xaa0 [ 88.921316] ? print_irqtrace_events+0x270/0x270 [ 88.926068] ? ___ratelimit+0x30d/0x630 [ 88.930028] ? lock_downgrade+0x980/0x980 [ 88.934166] ? lock_release+0xa40/0xa40 [ 88.938133] ? mark_held_locks+0xaf/0x100 [ 88.942269] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 88.947361] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 88.952362] ? trace_hardirqs_on+0xd/0x10 [ 88.956497] ? ___ratelimit+0x95/0x630 [ 88.960370] ? idr_get_free_cmn+0xfd0/0xfd0 [ 88.964674] ? find_held_lock+0x138/0x1d0 [ 88.968851] oom_kill_process+0x8b9/0x1550 [ 88.973078] ? has_ns_capability_noaudit+0x163/0x2a0 [ 88.978216] ? lock_downgrade+0x980/0x980 [ 88.982353] ? oom_evaluate_task+0x480/0x480 [ 88.986761] ? security_capable_noaudit+0x8b/0xc0 [ 88.991593] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 88.996679] ? has_capability+0x30/0x30 [ 89.000634] ? do_raw_spin_trylock+0x190/0x190 [ 89.005209] ? check_noncircular+0x20/0x20 [ 89.009425] ? has_capability_noaudit+0x24/0x30 [ 89.014088] ? oom_badness+0xd1/0x980 [ 89.017868] ? lock_release+0xa40/0xa40 [ 89.021829] ? do_try_to_free_pages+0xc53/0x1020 [ 89.026574] ? find_lock_task_mm+0x460/0x460 [ 89.030972] ? find_held_lock+0x35/0x1d0 [ 89.035030] ? out_of_memory+0xb3a/0x1220 [ 89.039161] ? lock_downgrade+0x980/0x980 [ 89.043297] ? lock_release+0xa40/0xa40 [ 89.047251] ? lock_acquire+0x1d5/0x580 [ 89.051208] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 89.056165] ? oom_evaluate_task+0x284/0x480 [ 89.060562] out_of_memory+0x86d/0x1220 [ 89.064534] ? oom_killer_disable+0x310/0x310 [ 89.069009] ? mutex_trylock+0x23a/0x2d0 [ 89.073057] ? __lock_is_held+0xb6/0x140 [ 89.077103] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 89.082551] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 89.087418] ? warn_alloc+0x2b0/0x2b0 [ 89.091199] ? trace_hardirqs_off+0xd/0x10 [ 89.095430] ? mark_held_locks+0xaf/0x100 [ 89.099565] ? _raw_spin_unlock_irq+0x27/0x70 [ 89.104043] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 89.109043] ? trace_hardirqs_on+0xd/0x10 [ 89.113172] ? _raw_spin_unlock_irq+0x27/0x70 [ 89.117652] ? finish_task_switch+0x1d3/0x740 [ 89.122125] ? finish_task_switch+0x1aa/0x740 [ 89.126628] ? check_noncircular+0x20/0x20 [ 89.130897] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 89.136777] ? __might_sleep+0x95/0x190 [ 89.140763] __alloc_pages_nodemask+0x9fb/0xd80 [ 89.145425] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 89.150428] ? mark_held_locks+0xaf/0x100 [ 89.154569] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 89.159571] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 89.164314] ? __lock_is_held+0xb6/0x140 [ 89.168378] ? rcu_note_context_switch+0x710/0x710 [ 89.173304] alloc_pages_current+0xb6/0x1e0 [ 89.177619] __vmalloc_node_range+0x409/0x650 [ 89.182113] ? xt_alloc_table_info+0x64/0xe0 [ 89.186504] __vmalloc_node_flags_caller+0x50/0x60 [ 89.191416] ? xt_alloc_table_info+0x64/0xe0 [ 89.195815] kvmalloc_node+0x82/0xd0 [ 89.199516] xt_alloc_table_info+0x64/0xe0 [ 89.203738] do_ipt_set_ctl+0x29b/0x5f0 [ 89.207702] ? translate_compat_table+0x1b90/0x1b90 [ 89.212722] ? mutex_unlock+0xd/0x10 [ 89.216417] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 89.221685] nf_setsockopt+0x67/0xc0 [ 89.225388] ip_setsockopt+0xa1/0xb0 [ 89.229090] sctp_setsockopt+0x2b6/0x61d0 [ 89.233226] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 89.238920] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 89.244179] ? lock_downgrade+0x980/0x980 [ 89.248395] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 89.253138] ? lock_release+0xa40/0xa40 [ 89.257106] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 89.262979] ? __lock_acquire+0x664/0x3e00 [ 89.267209] ? _cond_resched+0x14/0x30 [ 89.271078] ? clear_huge_page+0x309/0x730 [ 89.275315] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 89.280492] ? __thp_get_unmapped_area+0x130/0x130 [ 89.285402] ? __lock_acquire+0x664/0x3e00 [ 89.289623] ? check_noncircular+0x20/0x20 [ 89.293837] ? sock_map_fd+0x34/0x90 [ 89.297527] ? SyS_socket+0x125/0x1d0 [ 89.301309] ? do_fast_syscall_32+0x3ee/0xf9d [ 89.305783] ? entry_SYSENTER_compat+0x54/0x63 [ 89.310347] ? kmem_cache_alloc+0x12e/0x760 [ 89.314651] ? get_empty_filp+0xfb/0x4f0 [ 89.318693] ? alloc_file+0x26/0x390 [ 89.322404] ? find_held_lock+0x35/0x1d0 [ 89.326459] ? avc_has_perm+0x35e/0x680 [ 89.330417] ? lock_downgrade+0x980/0x980 [ 89.334550] ? lock_release+0xa40/0xa40 [ 89.338505] ? check_noncircular+0x20/0x20 [ 89.342722] ? lockdep_init_map+0x9/0x10 [ 89.346765] ? debug_mutex_init+0x2d/0x60 [ 89.350907] ? SyS_membarrier+0x600/0x600 [ 89.355044] ? avc_has_perm+0x43e/0x680 [ 89.359010] ? avc_has_perm_noaudit+0x520/0x520 [ 89.363666] ? __fget+0x333/0x570 [ 89.367103] ? lock_downgrade+0x980/0x980 [ 89.371236] ? lock_release+0xa40/0xa40 [ 89.375196] ? __lock_is_held+0xb6/0x140 [ 89.379263] ? sock_has_perm+0x2a4/0x420 [ 89.383309] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 89.388660] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 89.394355] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 89.399613] ? lock_downgrade+0x980/0x980 [ 89.403770] compat_sock_common_setsockopt+0x104/0x140 [ 89.409038] compat_SyS_setsockopt+0x17c/0x410 [ 89.413599] ? sock_common_setsockopt+0xd0/0xd0 [ 89.418254] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 89.422995] ? do_fast_syscall_32+0x156/0xf9d [ 89.427478] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 89.432219] do_fast_syscall_32+0x3ee/0xf9d [ 89.436533] ? do_int80_syscall_32+0x9d0/0x9d0 [ 89.441097] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 89.445845] ? syscall_return_slowpath+0x2ad/0x550 [ 89.450757] ? prepare_exit_to_usermode+0x340/0x340 [ 89.455760] ? retint_user+0x18/0x18 [ 89.459463] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 89.464298] entry_SYSENTER_compat+0x54/0x63 [ 89.468690] RIP: 0023:0xf7f10c79 [ 89.472037] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 89.479729] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 89.486993] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 89.494245] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 89.501494] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 89.508743] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 89.516031] CPU: 1 PID: 4115 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 89.516044] Mem-Info: [ 89.516061] active_anon:5644 inactive_anon:63 isolated_anon:0 [ 89.516061] active_file:31 inactive_file:2 isolated_file:0 [ 89.516061] unevictable:0 dirty:0 writeback:0 unstable:0 [ 89.516061] slab_reclaimable:8205 slab_unreclaimable:79947 [ 89.516061] mapped:3 shmem:70 pagetables:306 bounce:0 [ 89.516061] free:15895 free_pcp:272 free_cma:0 [ 89.516073] Node 0 active_anon:22576kB inactive_anon:252kB active_file:124kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 89.516075] 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 [ 89.516091] lowmem_reserve[]: 0 2868 6378 6378 [ 89.516104] Node 0 DMA32 free:29148kB 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:120kB local_pcp:0kB free_cma:0kB [ 89.516120] lowmem_reserve[]: 0 0 3510 3510 [ 89.516132] Node 0 Normal free:18524kB min:37100kB low:46372kB high:55644kB active_anon:22576kB inactive_anon:252kB active_file:124kB inactive_file:8kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3072kB pagetables:1224kB bounce:0kB free_pcp:968kB local_pcp:148kB free_cma:0kB [ 89.516149] lowmem_reserve[]: 0 0 0 0 [ 89.516161] 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 [ 89.516214] Node 0 DMA32: 3*4kB (UM) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 1*64kB (M) 4*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 5*4096kB (M) = 29148kB [ 89.516273] Node 0 Normal: 287*4kB (M) 222*8kB (UME) 155*16kB (ME) 90*32kB (M) 40*64kB (M) 34*128kB (UM) 13*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18524kB [ 89.516327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 89.516330] 135 total pagecache pages [ 89.516339] 0 pages in swap cache [ 89.516343] Swap cache stats: add 0, delete 0, find 0/0 [ 89.516346] Free swap = 0kB [ 89.516349] Total swap = 0kB [ 89.516352] 1965969 pages RAM [ 89.516354] 0 pages HighMem/MovableOnly [ 89.516357] 328417 pages reserved [ 89.516360] Unreclaimable slab info: [ 89.516363] Name Used Total [ 89.516370] hashtab_node 118KB 119KB [ 89.516375] ebitmap_node 388KB 389KB [ 89.516381] avtab_node 1012KB 1013KB [ 89.516392] TIPC 1KB 7KB [ 89.516400] SCTPv6 2KB 4KB [ 89.516405] SCTP 14KB 14KB [ 89.516413] DCCPv6 2KB 7KB [ 89.516419] DCCP 2KB 6KB [ 89.516440] fib6_nodes 0KB 4KB [ 89.516445] ip6_dst_cache 6KB 11KB [ 89.516451] RAWv6 9KB 19KB [ 89.516456] UDPv6 12KB 14KB [ 89.516463] TCPv6 2KB 5KB [ 89.516480] sd_ext_cdb 0KB 3KB [ 89.516485] scsi_sense_cache 73KB 100KB [ 89.516490] virtio_scsi_cmd 16KB 16KB [ 89.516498] sgpool-128 8KB 8KB [ 89.516503] sgpool-64 4KB 6KB [ 89.516507] sgpool-32 68KB 70KB [ 89.516512] sgpool-16 26KB 26KB [ 89.516517] sgpool-8 155KB 157KB [ 89.516523] cfq_io_cq 15KB 15KB [ 89.516528] cfq_queue 27KB 27KB [ 89.516534] mqueue_inode_cache 1KB 7KB [ 89.516540] nfs_commit_data 3KB 7KB [ 89.516545] nfs_write_data 34KB 37KB [ 89.516552] jbd2_inode 1KB 3KB [ 89.516558] ext4_system_zone 0KB 3KB [ 89.516569] bio-1 1KB 3KB [ 89.516581] rpc_buffers 17KB 19KB [ 89.516586] rpc_tasks 2KB 3KB [ 89.516590] UNIX 780KB 780KB [ 89.516598] tcp_bind_bucket 0KB 4KB [ 89.516606] ip_fib_trie 0KB 3KB [ 89.516610] ip_fib_alias 0KB 3KB [ 89.516615] ip_dst_cache 4KB 8KB [ 89.516621] RAW 5KB 7KB [ 89.516625] UDP 29KB 31KB [ 89.516630] request_sock_TCP 0KB 3KB [ 89.516635] TCP 7KB 7KB [ 89.516640] hugetlbfs_inode_cache 1KB 7KB [ 89.516646] eventpoll_pwq 44KB 51KB [ 89.516650] eventpoll_epi 81KB 90KB [ 89.516655] inotify_inode_mark 3KB 11KB [ 89.516661] request_queue 31KB 39KB [ 89.516667] blkdev_ioc 23KB 23KB [ 89.516672] bio-0 277KB 277KB [ 89.516677] biovec-(1<<(21-12)) 462KB 462KB [ 89.516682] biovec-64 102KB 102KB [ 89.516687] biovec-16 10KB 15KB [ 89.516692] bio_integrity_payload 0KB 4KB [ 89.516697] khugepaged_mm_slot 1KB 3KB [ 89.516705] uid_cache 2KB 3KB [ 89.516710] dmaengine-unmap-2 0KB 3KB [ 89.516715] audit_buffer 0KB 3KB [ 89.516720] skbuff_fclone_cache 144KB 146KB [ 89.516725] skbuff_head_cache 1832KB 1833KB [ 89.516730] configfs_dir_cache 0KB 4KB [ 89.516735] file_lock_cache 164KB 166KB [ 89.516740] file_lock_ctx 1KB 3KB [ 89.516745] fsnotify_mark_connector 2KB 7KB [ 89.516751] shmem_inode_cache 1054KB 1054KB [ 89.516756] task_delay_info 342KB 347KB [ 89.516762] sigqueue 388KB 393KB [ 89.516767] kernfs_node_cache 3139KB 3142KB [ 89.516772] mnt_cache 15KB 16KB [ 89.516777] filp 7905KB 9457KB [ 89.516782] names_cache 103942KB 103980KB [ 89.516790] avc_node 38KB 43KB [ 89.516794] selinux_file_security 395KB 608KB [ 89.516805] selinux_inode_security 2202KB 2208KB [ 89.516810] key_jar 3KB 7KB [ 89.516815] nsproxy 0KB 3KB [ 89.516820] vm_area_struct 20675KB 20809KB [ 89.516825] mm_struct 4726KB 4742KB [ 89.516830] fs_cache 456KB 464KB [ 89.516835] files_cache 1711KB 1732KB [ 89.516840] signal_cache 2745KB 2760KB [ 89.516845] sighand_cache 231KB 277KB [ 89.516850] task_struct 11588KB 11643KB [ 89.516855] cred_jar 2360KB 2372KB [ 89.516860] anon_vma_chain 9044KB 9095KB [ 89.516864] anon_vma 162KB 342KB [ 89.516869] pid 240KB 244KB [ 89.516874] Acpi-Operand 312KB 788KB [ 89.516881] Acpi-Namespace 102KB 104KB [ 89.516887] numa_policy 0KB 3KB [ 89.516892] debug_objects_cache 799KB 799KB [ 89.516897] trace_event_file 149KB 151KB [ 89.516902] ftrace_event_field 261KB 263KB [ 89.516907] pool_workqueue 24KB 28KB [ 89.516913] page->ptl 3288KB 3292KB [ 89.516935] kmalloc-262144 1032KB 1032KB [ 89.516941] kmalloc-131072 650KB 650KB [ 89.516945] kmalloc-65536 264KB 264KB [ 89.516950] kmalloc-32768 825KB 825KB [ 89.516955] kmalloc-16384 181KB 181KB [ 89.516959] kmalloc-8192 528KB 528KB [ 89.516964] kmalloc-4096 3973KB 4012KB [ 89.516969] kmalloc-2048 4150KB 4150KB [ 89.516973] kmalloc-1024 3602KB 3614KB [ 89.516978] kmalloc-512 2865KB 2872KB [ 89.516982] kmalloc-256 1820KB 2580KB [ 89.516987] kmalloc-128 450KB 543KB [ 89.516992] kmalloc-96 292KB 384KB [ 89.516996] kmalloc-64 713KB 732KB [ 89.517005] kmalloc-32 1917KB 2803KB [ 89.517028] kmalloc-192 206KB 268KB [ 89.517033] kmem_cache 102KB 108KB [ 89.517036] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 89.517067] [ 2098] 0 2098 5451 251 81920 0 -1000 udevd [ 89.517080] [ 3957] 0 3957 14298 173 118784 0 0 rsyslogd [ 89.517090] [ 4012] 0 4012 4725 51 86016 0 0 cron [ 89.517101] [ 4027] 0 4027 3736 45 69632 0 0 mcstransd [ 89.517113] [ 4058] 0 4058 12490 152 139264 0 -1000 sshd [ 89.517124] [ 4082] 0 4082 3694 41 77824 0 0 getty [ 89.517134] [ 4083] 0 4083 3694 40 77824 0 0 getty [ 89.517144] [ 4084] 0 4084 3694 41 73728 0 0 getty [ 89.517154] [ 4085] 0 4085 3694 42 77824 0 0 getty [ 89.517165] [ 4086] 0 4086 3694 39 77824 0 0 getty [ 89.517176] [ 4087] 0 4087 3694 39 73728 0 0 getty [ 89.517186] [ 4088] 0 4088 3649 37 77824 0 0 getty [ 89.517197] [ 4092] 0 4092 5681 455 77824 0 -1000 udevd [ 89.517207] [ 4093] 0 4093 5681 455 77824 0 -1000 udevd [ 89.517217] [ 4112] 0 4112 17821 197 188416 0 0 sshd [ 89.517228] [ 4114] 0 4114 238 1 28672 0 0 syzkaller045219 [ 89.517237] [ 4115] 0 4115 4333 0 28672 0 0 syzkaller045219 [ 89.517247] [ 4116] 0 4116 4333 520 32768 0 0 syzkaller045219 [ 89.517258] [ 4117] 0 4117 4333 520 32768 0 0 syzkaller045219 [ 89.517268] [ 4118] 0 4118 4333 520 32768 0 0 syzkaller045219 [ 89.517278] [ 4119] 0 4119 4333 520 32768 0 0 syzkaller045219 [ 89.517288] [ 4120] 0 4120 4333 520 32768 0 0 syzkaller045219 [ 89.517298] [ 4121] 0 4121 4333 520 32768 0 0 syzkaller045219 [ 89.517309] [ 4122] 0 4122 4333 520 32768 0 0 syzkaller045219 [ 89.517314] Out of memory: Kill process 4116 (syzkaller045219) score 0 or sacrifice child [ 89.517336] Killed process 4116 (syzkaller045219) total-vm:17332kB, anon-rss:2080kB, file-rss:0kB, shmem-rss:0kB [ 89.523659] oom_reaper: reaped process 4116 (syzkaller045219), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 89.530978] syzkaller045219 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 89.530982] syzkaller045219 cpuset=/ mems_allowed=0 [ 90.613430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.622765] Call Trace: [ 90.625343] dump_stack+0x194/0x257 [ 90.628958] ? arch_local_irq_restore+0x53/0x53 [ 90.633605] ? idr_get_free_cmn+0xfd0/0xfd0 [ 90.637930] warn_alloc+0x19a/0x2b0 [ 90.641544] ? zone_watermark_ok_safe+0x400/0x400 [ 90.646384] ? rcu_note_context_switch+0x710/0x710 [ 90.651315] __vmalloc_node_range+0x482/0x650 [ 90.655806] ? xt_alloc_table_info+0x64/0xe0 [ 90.660196] __vmalloc_node_flags_caller+0x50/0x60 [ 90.665108] ? xt_alloc_table_info+0x64/0xe0 [ 90.669502] kvmalloc_node+0x82/0xd0 [ 90.673203] xt_alloc_table_info+0x64/0xe0 [ 90.677426] do_ipt_set_ctl+0x29b/0x5f0 [ 90.681392] ? translate_compat_table+0x1b90/0x1b90 [ 90.686410] ? mutex_unlock+0xd/0x10 [ 90.690112] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 90.695379] nf_setsockopt+0x67/0xc0 [ 90.699082] ip_setsockopt+0xa1/0xb0 [ 90.702787] sctp_setsockopt+0x2b6/0x61d0 [ 90.706925] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 90.712619] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 90.717879] ? lock_downgrade+0x980/0x980 [ 90.722013] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 90.726755] ? lock_release+0xa40/0xa40 [ 90.730713] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 90.736588] ? __lock_acquire+0x664/0x3e00 [ 90.740810] ? _cond_resched+0x14/0x30 [ 90.744682] ? clear_huge_page+0x309/0x730 [ 90.748918] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 90.754109] ? __thp_get_unmapped_area+0x130/0x130 [ 90.759023] ? __lock_acquire+0x664/0x3e00 [ 90.763243] ? check_noncircular+0x20/0x20 [ 90.767464] ? sock_map_fd+0x34/0x90 [ 90.771159] ? SyS_socket+0x125/0x1d0 [ 90.774943] ? do_fast_syscall_32+0x3ee/0xf9d [ 90.779423] ? entry_SYSENTER_compat+0x54/0x63 [ 90.783987] ? kmem_cache_alloc+0x12e/0x760 [ 90.788389] ? get_empty_filp+0xfb/0x4f0 [ 90.792431] ? alloc_file+0x26/0x390 [ 90.796144] ? find_held_lock+0x35/0x1d0 [ 90.800200] ? avc_has_perm+0x35e/0x680 [ 90.804159] ? lock_downgrade+0x980/0x980 [ 90.808296] ? lock_release+0xa40/0xa40 [ 90.812255] ? check_noncircular+0x20/0x20 [ 90.816471] ? lockdep_init_map+0x9/0x10 [ 90.820514] ? debug_mutex_init+0x2d/0x60 [ 90.824655] ? SyS_membarrier+0x600/0x600 [ 90.828794] ? avc_has_perm+0x43e/0x680 [ 90.832760] ? avc_has_perm_noaudit+0x520/0x520 [ 90.837425] ? __fget+0x333/0x570 [ 90.840862] ? lock_downgrade+0x980/0x980 [ 90.844999] ? lock_release+0xa40/0xa40 [ 90.848963] ? __lock_is_held+0xb6/0x140 [ 90.853034] ? sock_has_perm+0x2a4/0x420 [ 90.857085] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 90.862434] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 90.868143] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 90.873398] ? lock_downgrade+0x980/0x980 [ 90.877557] compat_sock_common_setsockopt+0x104/0x140 [ 90.882827] compat_SyS_setsockopt+0x17c/0x410 [ 90.887391] ? sock_common_setsockopt+0xd0/0xd0 [ 90.892051] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 90.896797] ? do_fast_syscall_32+0x156/0xf9d [ 90.901283] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 90.906024] do_fast_syscall_32+0x3ee/0xf9d [ 90.910341] ? do_int80_syscall_32+0x9d0/0x9d0 [ 90.914906] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 90.919655] ? syscall_return_slowpath+0x2ad/0x550 [ 90.924578] ? prepare_exit_to_usermode+0x340/0x340 [ 90.929581] ? retint_user+0x18/0x18 [ 90.933286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 90.938123] entry_SYSENTER_compat+0x54/0x63 [ 90.942514] RIP: 0023:0xf7f10c79 [ 90.945857] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 90.953547] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 90.960800] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 90.968051] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 90.975302] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 90.982552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 90.989838] CPU: 0 PID: 4116 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 90.990105] Mem-Info: [ 90.990123] active_anon:5127 inactive_anon:63 isolated_anon:0 [ 90.990123] active_file:31 inactive_file:2 isolated_file:0 [ 90.990123] unevictable:0 dirty:0 writeback:0 unstable:0 [ 90.990123] slab_reclaimable:8205 slab_unreclaimable:79947 [ 90.990123] mapped:3 shmem:70 pagetables:306 bounce:0 [ 90.990123] free:15855 free_pcp:266 free_cma:0 [ 90.990136] Node 0 active_anon:20508kB inactive_anon:252kB active_file:124kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 90.990138] 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 [ 90.990154] lowmem_reserve[]: 0 2868 6378 6378 [ 90.990167] Node 0 DMA32 free:29148kB 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:120kB local_pcp:120kB free_cma:0kB [ 90.990183] lowmem_reserve[]: 0 0 3510 3510 [ 90.990194] Node 0 Normal free:18364kB min:37100kB low:46372kB high:55644kB active_anon:20508kB inactive_anon:252kB active_file:124kB inactive_file:8kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3072kB pagetables:1224kB bounce:0kB free_pcp:944kB local_pcp:820kB free_cma:0kB [ 90.990210] lowmem_reserve[]: 0 0 0 0 [ 90.990222] 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 [ 90.990279] Node 0 DMA32: 3*4kB (UM) 2*8kB (UM) 4*16kB (UM) 2*32kB (M) 1*64kB (M) 4*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 1*2048kB (M) 5*4096kB (M) = 29148kB [ 90.990336] Node 0 Normal: 287*4kB (M) 218*8kB (UME) 157*16kB (UME) 91*32kB (M) 41*64kB (M) 32*128kB (M) 11*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18364kB [ 90.990391] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 90.990394] 110 total pagecache pages [ 90.990401] 0 pages in swap cache [ 90.990405] Swap cache stats: add 0, delete 0, find 0/0 [ 90.990408] Free swap = 0kB [ 90.990410] Total swap = 0kB [ 90.990413] 1965969 pages RAM [ 90.990415] 0 pages HighMem/MovableOnly [ 90.990418] 328417 pages reserved [ 91.234341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.243669] Call Trace: [ 91.246239] dump_stack+0x194/0x257 [ 91.249847] ? arch_local_irq_restore+0x53/0x53 [ 91.254493] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 91.259667] dump_header+0x28c/0xe1e [ 91.263363] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 91.268535] ? pagefault_out_of_memory+0x152/0x152 [ 91.273446] ? check_noncircular+0x20/0x20 [ 91.277660] ? __lock_acquire+0x664/0x3e00 [ 91.281881] ? check_noncircular+0x20/0x20 [ 91.286090] ? find_held_lock+0x35/0x1d0 [ 91.290136] ? task_will_free_mem+0x252/0xaa0 [ 91.294613] ? print_irqtrace_events+0x270/0x270 [ 91.299352] ? ___ratelimit+0x30d/0x630 [ 91.303302] ? lock_downgrade+0x980/0x980 [ 91.307430] ? lock_release+0xa40/0xa40 [ 91.311385] ? mark_held_locks+0xaf/0x100 [ 91.315510] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 91.320591] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 91.325585] ? trace_hardirqs_on+0xd/0x10 [ 91.329711] ? ___ratelimit+0x95/0x630 [ 91.333578] ? idr_get_free_cmn+0xfd0/0xfd0 [ 91.337876] ? find_held_lock+0x138/0x1d0 [ 91.342010] oom_kill_process+0x8b9/0x1550 [ 91.346229] ? has_ns_capability_noaudit+0x163/0x2a0 [ 91.351322] ? lock_downgrade+0x980/0x980 [ 91.355452] ? oom_evaluate_task+0x480/0x480 [ 91.359849] ? security_capable_noaudit+0x8b/0xc0 [ 91.364671] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 91.369753] ? has_capability+0x30/0x30 [ 91.373704] ? do_raw_spin_trylock+0x190/0x190 [ 91.378273] ? check_noncircular+0x20/0x20 [ 91.382483] ? has_capability_noaudit+0x24/0x30 [ 91.387126] ? oom_badness+0xd1/0x980 [ 91.390903] ? lock_release+0xa40/0xa40 [ 91.394852] ? do_try_to_free_pages+0xc53/0x1020 [ 91.399587] ? find_lock_task_mm+0x460/0x460 [ 91.403977] ? find_held_lock+0x35/0x1d0 [ 91.408029] ? out_of_memory+0xb3a/0x1220 [ 91.412155] ? lock_downgrade+0x980/0x980 [ 91.416282] ? lock_release+0xa40/0xa40 [ 91.420316] ? lock_acquire+0x1d5/0x580 [ 91.424265] ? blocking_notifier_call_chain+0x112/0x190 [ 91.429605] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 91.434517] ? oom_evaluate_task+0x284/0x480 [ 91.438916] out_of_memory+0x86d/0x1220 [ 91.442882] ? oom_killer_disable+0x310/0x310 [ 91.447354] ? mutex_trylock+0x23a/0x2d0 [ 91.451391] ? __lock_is_held+0xb6/0x140 [ 91.455428] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 91.460866] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 91.465724] ? warn_alloc+0x2b0/0x2b0 [ 91.469692] ? _raw_spin_unlock_irq+0x27/0x70 [ 91.474176] ? check_noncircular+0x20/0x20 [ 91.478388] ? __enqueue_entity+0x109/0x1e0 [ 91.482700] ? print_irqtrace_events+0x270/0x270 [ 91.487433] ? check_noncircular+0x20/0x20 [ 91.491646] ? finish_task_switch+0x1d3/0x740 [ 91.496130] ? __lock_is_held+0xb6/0x140 [ 91.500183] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 91.506053] ? __might_sleep+0x95/0x190 [ 91.510014] __alloc_pages_nodemask+0x9fb/0xd80 [ 91.514669] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 91.519663] ? __sched_text_start+0x8/0x8 [ 91.523792] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 91.528788] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 91.533522] ? __lock_is_held+0xb6/0x140 [ 91.537573] ? rcu_note_context_switch+0x710/0x710 [ 91.542484] alloc_pages_current+0xb6/0x1e0 [ 91.546790] __vmalloc_node_range+0x409/0x650 [ 91.551270] ? xt_alloc_table_info+0x64/0xe0 [ 91.555654] __vmalloc_node_flags_caller+0x50/0x60 [ 91.560560] ? xt_alloc_table_info+0x64/0xe0 [ 91.564948] kvmalloc_node+0x82/0xd0 [ 91.568641] xt_alloc_table_info+0x64/0xe0 [ 91.572854] do_ipt_set_ctl+0x29b/0x5f0 [ 91.576808] ? translate_compat_table+0x1b90/0x1b90 [ 91.581815] ? mutex_unlock+0xd/0x10 [ 91.585504] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 91.590760] nf_setsockopt+0x67/0xc0 [ 91.594454] ip_setsockopt+0xa1/0xb0 [ 91.598148] sctp_setsockopt+0x2b6/0x61d0 [ 91.602278] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 91.607973] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 91.613228] ? lock_downgrade+0x980/0x980 [ 91.617355] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 91.622087] ? lock_release+0xa40/0xa40 [ 91.626037] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 91.631902] ? __lock_acquire+0x664/0x3e00 [ 91.636114] ? _cond_resched+0x14/0x30 [ 91.639979] ? clear_huge_page+0x309/0x730 [ 91.644201] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 91.649369] ? __thp_get_unmapped_area+0x130/0x130 [ 91.654274] ? __lock_acquire+0x664/0x3e00 [ 91.658483] ? check_noncircular+0x20/0x20 [ 91.662690] ? sock_map_fd+0x34/0x90 [ 91.666376] ? SyS_socket+0x125/0x1d0 [ 91.670152] ? do_fast_syscall_32+0x3ee/0xf9d [ 91.674621] ? entry_SYSENTER_compat+0x54/0x63 [ 91.679176] ? kmem_cache_alloc+0x12e/0x760 [ 91.683473] ? get_empty_filp+0xfb/0x4f0 [ 91.687506] ? alloc_file+0x26/0x390 [ 91.691469] ? find_held_lock+0x35/0x1d0 [ 91.695517] ? avc_has_perm+0x35e/0x680 [ 91.699470] ? lock_downgrade+0x980/0x980 [ 91.703598] ? lock_release+0xa40/0xa40 [ 91.707547] ? check_noncircular+0x20/0x20 [ 91.711757] ? lockdep_init_map+0x9/0x10 [ 91.715795] ? debug_mutex_init+0x2d/0x60 [ 91.719928] ? SyS_membarrier+0x600/0x600 [ 91.724058] ? avc_has_perm+0x43e/0x680 [ 91.728016] ? avc_has_perm_noaudit+0x520/0x520 [ 91.732665] ? __fget+0x333/0x570 [ 91.736096] ? lock_downgrade+0x980/0x980 [ 91.740224] ? lock_release+0xa40/0xa40 [ 91.744179] ? __lock_is_held+0xb6/0x140 [ 91.748237] ? sock_has_perm+0x2a4/0x420 [ 91.752276] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 91.757616] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 91.763304] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 91.768555] ? lock_downgrade+0x980/0x980 [ 91.772714] compat_sock_common_setsockopt+0x104/0x140 [ 91.777986] compat_SyS_setsockopt+0x17c/0x410 [ 91.782542] ? sock_common_setsockopt+0xd0/0xd0 [ 91.787191] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 91.791924] ? do_fast_syscall_32+0x156/0xf9d [ 91.796397] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 91.801129] do_fast_syscall_32+0x3ee/0xf9d [ 91.805435] ? do_int80_syscall_32+0x9d0/0x9d0 [ 91.809996] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 91.814740] ? syscall_return_slowpath+0x2ad/0x550 [ 91.819645] ? prepare_exit_to_usermode+0x340/0x340 [ 91.824637] ? retint_user+0x18/0x18 [ 91.828330] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 91.833155] entry_SYSENTER_compat+0x54/0x63 [ 91.837536] RIP: 0023:0xf7f10c79 [ 91.840875] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 91.848558] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 91.855801] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 91.863047] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 91.870294] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 91.877538] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 91.885435] Mem-Info: [ 92.030503] active_anon:5126 inactive_anon:63 isolated_anon:0 [ 92.030503] active_file:14 inactive_file:14 isolated_file:1 [ 92.030503] unevictable:0 dirty:0 writeback:0 unstable:0 [ 92.030503] slab_reclaimable:8206 slab_unreclaimable:79921 [ 92.030503] mapped:3 shmem:70 pagetables:304 bounce:0 [ 92.030503] free:16090 free_pcp:46 free_cma:0 [ 92.071922] Node 0 active_anon:20504kB inactive_anon:252kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 92.111799] 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 [ 92.201756] lowmem_reserve[]: 0 2868 6378 6378 [ 92.233549] Node 0 DMA32 free:29268kB 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 [ 92.275412] lowmem_reserve[]: 0 0 3510 3510 [ 92.305846] Node 0 Normal free:19184kB min:37100kB low:46372kB high:55644kB active_anon:20504kB inactive_anon:252kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3072kB pagetables:1216kB bounce:0kB free_pcp:184kB local_pcp:136kB free_cma:0kB [ 92.372652] lowmem_reserve[]: 0 0 0 0 [ 92.407761] 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 [ 92.423359] Node 0 DMA32: 3*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 1*64kB (M) 3*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 1*2048kB (M) 5*4096kB (M) = 29268kB [ 92.439411] Node 0 Normal: 266*4kB (M) 233*8kB (UME) 151*16kB (UME) 98*32kB (UME) 43*64kB (UM) 33*128kB (M) 13*256kB (UM) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 19296kB [ 92.456526] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 92.465906] 98 total pagecache pages [ 92.470402] 0 pages in swap cache [ 92.474683] Swap cache stats: add 0, delete 0, find 0/0 [ 92.481199] Free swap = 0kB [ 92.484920] Total swap = 0kB [ 92.488678] 1965969 pages RAM [ 92.492515] 0 pages HighMem/MovableOnly [ 92.497230] 328417 pages reserved [ 92.501440] Unreclaimable slab info: [ 92.505944] Name Used Total [ 92.512622] hashtab_node 118KB 119KB [ 92.519180] ebitmap_node 387KB 389KB [ 92.525306] avtab_node 1012KB 1013KB [ 92.531478] TIPC 1KB 7KB [ 92.537576] SCTPv6 2KB 4KB [ 92.543409] SCTP 14KB 14KB [ 92.548852] DCCPv6 2KB 7KB [ 92.554986] DCCP 2KB 6KB [ 92.560892] fib6_nodes 0KB 4KB [ 92.566646] ip6_dst_cache 6KB 11KB [ 92.572091] RAWv6 9KB 19KB [ 92.577510] UDPv6 12KB 14KB [ 92.582929] TCPv6 2KB 5KB [ 92.588502] sd_ext_cdb 0KB 3KB [ 92.593924] scsi_sense_cache 73KB 100KB [ 92.599345] virtio_scsi_cmd 16KB 16KB [ 92.604768] sgpool-128 8KB 8KB [ 92.619069] sgpool-64 4KB 6KB [ 92.628068] sgpool-32 67KB 70KB [ 92.640171] sgpool-16 26KB 26KB [ 92.653073] sgpool-8 150KB 157KB [ 92.662071] cfq_io_cq 15KB 15KB [ 92.675071] cfq_queue 27KB 27KB [ 92.684070] mqueue_inode_cache 1KB 7KB [ 92.694075] nfs_commit_data 3KB 7KB [ 92.708071] nfs_write_data 34KB 37KB [ 92.853244] jbd2_inode 1KB 3KB [ 92.858753] ext4_system_zone 0KB 3KB [ 92.864254] bio-1 1KB 3KB [ 92.869652] rpc_buffers 17KB 19KB [ 92.875041] rpc_tasks 2KB 3KB [ 92.880427] UNIX 780KB 780KB [ 92.885819] tcp_bind_bucket 0KB 4KB [ 92.891212] ip_fib_trie 0KB 3KB [ 92.896601] ip_fib_alias 0KB 3KB [ 92.901989] ip_dst_cache 3KB 8KB [ 92.907388] RAW 5KB 7KB [ 92.916042] UDP 29KB 31KB [ 92.933049] TCP 7KB 7KB [ 92.950053] hugetlbfs_inode_cache 1KB 7KB [ 92.967049] eventpoll_pwq 44KB 51KB [ 92.980050] eventpoll_epi 81KB 90KB [ 92.991055] inotify_inode_mark 3KB 11KB [ 92.996613] request_queue 31KB 39KB [ 93.001210] syzkaller045219 (4115) used greatest stack depth: 14640 bytes left [ 93.009412] blkdev_ioc 23KB 23KB [ 93.014772] bio-0 281KB 281KB [ 93.020139] biovec-(1<<(21-12)) 462KB 462KB [ 93.025679] biovec-64 118KB 118KB [ 93.031044] biovec-16 15KB 15KB [ 93.036398] bio_integrity_payload 0KB 4KB [ 93.042106] khugepaged_mm_slot 0KB 3KB [ 93.047565] uid_cache 1KB 3KB [ 93.052920] dmaengine-unmap-2 0KB 3KB [ 93.058275] audit_buffer 0KB 3KB [ 93.063630] skbuff_fclone_cache 143KB 146KB [ 93.069159] skbuff_head_cache 1830KB 1833KB [ 93.074529] configfs_dir_cache 0KB 4KB [ 93.079971] file_lock_cache 163KB 166KB [ 93.085324] file_lock_ctx 1KB 3KB [ 93.090675] fsnotify_mark_connector 2KB 7KB [ 93.096708] shmem_inode_cache 1054KB 1054KB [ 93.102098] task_delay_info 341KB 347KB [ 93.107472] sigqueue 386KB 393KB [ 93.112828] kernfs_node_cache 3139KB 3142KB [ 93.118192] mnt_cache 15KB 16KB [ 93.123560] filp 7863KB 9442KB [ 93.128912] names_cache 103933KB 103963KB [ 93.134267] avc_node 38KB 43KB [ 93.139619] selinux_file_security 391KB 608KB [ 93.145319] selinux_inode_security 2198KB 2208KB [ 93.151107] key_jar 3KB 7KB [ 93.156462] nsproxy 0KB 3KB [ 93.161816] vm_area_struct 20660KB 20801KB [ 93.167172] mm_struct 4684KB 4742KB [ 93.172536] fs_cache 455KB 464KB [ 93.177889] files_cache 1708KB 1728KB [ 93.183243] signal_cache 2728KB 2752KB [ 93.188596] sighand_cache 219KB 277KB [ 93.193950] task_struct 11576KB 11619KB [ 93.199302] cred_jar 2353KB 2372KB [ 93.204684] anon_vma_chain 9033KB 9095KB [ 93.210069] anon_vma 148KB 342KB [ 93.215438] pid 236KB 244KB [ 93.220807] Acpi-Operand 312KB 788KB [ 93.226163] Acpi-Namespace 102KB 104KB [ 93.231522] numa_policy 0KB 3KB [ 93.236876] debug_objects_cache 799KB 799KB [ 93.242402] trace_event_file 149KB 151KB [ 93.247782] ftrace_event_field 261KB 263KB [ 93.253242] pool_workqueue 24KB 28KB [ 93.258612] page->ptl 3277KB 3292KB [ 93.264042] kmalloc-262144 1032KB 1032KB [ 93.269419] kmalloc-131072 650KB 650KB [ 93.274801] kmalloc-65536 264KB 264KB [ 93.280177] kmalloc-32768 825KB 825KB [ 93.285544] kmalloc-16384 181KB 181KB [ 93.290933] kmalloc-8192 528KB 528KB [ 93.296309] kmalloc-4096 3961KB 3995KB [ 93.301682] kmalloc-2048 4150KB 4150KB [ 93.307067] kmalloc-1024 3622KB 3622KB [ 93.312443] kmalloc-512 2858KB 2872KB [ 93.317831] kmalloc-256 1801KB 2561KB [ 93.323217] kmalloc-128 446KB 543KB [ 93.328593] kmalloc-96 289KB 384KB [ 93.333978] kmalloc-64 707KB 732KB [ 93.339368] kmalloc-32 1911KB 2803KB [ 93.344763] kmalloc-192 204KB 268KB [ 93.350155] kmem_cache 102KB 108KB [ 93.355529] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 93.364125] [ 2098] 0 2098 5451 251 81920 0 -1000 udevd [ 93.372263] [ 3957] 0 3957 14298 172 118784 0 0 rsyslogd [ 93.380662] [ 4012] 0 4012 4725 51 86016 0 0 cron [ 93.388725] [ 4027] 0 4027 3736 45 69632 0 0 mcstransd [ 93.397221] [ 4058] 0 4058 12490 152 139264 0 -1000 sshd [ 93.405288] [ 4082] 0 4082 3694 41 77824 0 0 getty [ 93.413437] [ 4083] 0 4083 3694 40 77824 0 0 getty [ 93.421577] [ 4084] 0 4084 3694 41 73728 0 0 getty [ 93.429738] [ 4085] 0 4085 3694 42 77824 0 0 getty [ 93.437909] [ 4086] 0 4086 3694 39 77824 0 0 getty [ 93.446078] [ 4087] 0 4087 3694 39 73728 0 0 getty [ 93.454229] [ 4088] 0 4088 3649 37 77824 0 0 getty [ 93.462396] [ 4092] 0 4092 5681 455 77824 0 -1000 udevd [ 93.470549] [ 4093] 0 4093 5681 455 77824 0 -1000 udevd [ 93.478712] [ 4112] 0 4112 17821 197 188416 0 0 sshd [ 93.486796] [ 4114] 0 4114 238 1 28672 0 0 syzkaller045219 [ 93.495835] [ 4116] 0 4116 4333 0 28672 0 0 syzkaller045219 [ 93.504867] [ 4117] 0 4117 4333 520 32768 0 0 syzkaller045219 [ 93.513899] [ 4118] 0 4118 4333 520 32768 0 0 syzkaller045219 [ 93.522930] [ 4119] 0 4119 4333 520 32768 0 0 syzkaller045219 [ 93.531967] [ 4120] 0 4120 4333 520 32768 0 0 syzkaller045219 [ 93.540995] [ 4121] 0 4121 4333 520 32768 0 0 syzkaller045219 [ 93.550455] [ 4122] 0 4122 4333 520 32768 0 0 syzkaller045219 [ 93.559480] Out of memory: Kill process 4117 (syzkaller045219) score 0 or sacrifice child [ 93.567839] Killed process 4117 (syzkaller045219) total-vm:17332kB, anon-rss:2080kB, file-rss:0kB, shmem-rss:0kB [ 93.578233] syzkaller045219: vmalloc: allocation failure, allocated 791826432 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 93.578720] oom_reaper: reaped process 4117 (syzkaller045219), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 93.582401] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 93.582424] init cpuset=/ mems_allowed=0 [ 93.582498] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0+ #200 [ 93.582502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.582505] Call Trace: [ 93.582519] dump_stack+0x194/0x257 [ 93.582533] ? arch_local_irq_restore+0x53/0x53 [ 93.582546] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.582567] dump_header+0x28c/0xe1e [ 93.582584] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.582598] ? pagefault_out_of_memory+0x152/0x152 [ 93.582615] ? check_noncircular+0x20/0x20 [ 93.582627] ? __lock_acquire+0x664/0x3e00 [ 93.582651] ? check_noncircular+0x20/0x20 [ 93.582664] ? find_held_lock+0x35/0x1d0 [ 93.582684] ? task_will_free_mem+0x252/0xaa0 [ 93.582700] ? print_irqtrace_events+0x270/0x270 [ 93.582718] ? ___ratelimit+0x30d/0x630 [ 93.582728] ? lock_downgrade+0x980/0x980 [ 93.582743] ? lock_release+0xa40/0xa40 [ 93.582758] ? mark_held_locks+0xaf/0x100 [ 93.582770] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 93.582781] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 93.582791] ? trace_hardirqs_on+0xd/0x10 [ 93.582802] ? ___ratelimit+0x95/0x630 [ 93.582813] ? idr_get_free_cmn+0xfd0/0xfd0 [ 93.582822] ? find_held_lock+0x138/0x1d0 [ 93.582842] oom_kill_process+0x8b9/0x1550 [ 93.582857] ? has_ns_capability_noaudit+0x163/0x2a0 [ 93.582866] ? lock_downgrade+0x980/0x980 [ 93.582882] ? oom_evaluate_task+0x480/0x480 [ 93.582905] ? security_capable_noaudit+0x8b/0xc0 [ 93.582920] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 93.582929] ? has_capability+0x30/0x30 [ 93.582935] ? do_raw_spin_trylock+0x190/0x190 [ 93.582954] ? check_noncircular+0x20/0x20 [ 93.582963] ? has_capability_noaudit+0x24/0x30 [ 93.582972] ? oom_badness+0xd1/0x980 [ 93.582978] ? lock_release+0xa40/0xa40 [ 93.582986] ? do_try_to_free_pages+0xc53/0x1020 [ 93.582999] ? find_lock_task_mm+0x460/0x460 [ 93.583018] ? find_held_lock+0x35/0x1d0 [ 93.583038] ? out_of_memory+0xb3a/0x1220 [ 93.583047] ? lock_downgrade+0x980/0x980 [ 93.583061] ? lock_release+0xa40/0xa40 [ 93.583067] ? lock_acquire+0x1d5/0x580 [ 93.583076] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 93.583095] ? oom_evaluate_task+0x284/0x480 [ 93.583111] out_of_memory+0x86d/0x1220 [ 93.583132] ? oom_killer_disable+0x310/0x310 [ 93.583138] ? mutex_trylock+0x23a/0x2d0 [ 93.583148] ? __lock_is_held+0xb6/0x140 [ 93.583157] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 93.583182] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 93.583201] ? trace_hardirqs_on+0xd/0x10 [ 93.583236] ? warn_alloc+0x2b0/0x2b0 [ 93.583244] ? lock_downgrade+0x980/0x980 [ 93.583265] ? radix_tree_lookup_slot+0x99/0xe0 [ 93.583293] ? find_get_entry+0x53c/0x9e0 [ 93.583326] ? check_noncircular+0x20/0x20 [ 93.583337] ? __lock_acquire+0x664/0x3e00 [ 93.583365] ? __lock_is_held+0xb6/0x140 [ 93.583394] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 93.583417] ? __might_sleep+0x95/0x190 [ 93.583432] __alloc_pages_nodemask+0x9fb/0xd80 [ 93.583450] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 93.583460] ? add_to_page_cache_lru+0x510/0x510 [ 93.583475] ? check_noncircular+0x20/0x20 [ 93.583482] ? read_cache_pages+0x990/0x990 [ 93.583491] ? check_noncircular+0x20/0x20 [ 93.583498] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 93.583507] ? check_noncircular+0x20/0x20 [ 93.583515] ? check_noncircular+0x20/0x20 [ 93.583522] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 93.583558] alloc_pages_current+0xb6/0x1e0 [ 93.583572] __page_cache_alloc+0x334/0x500 [ 93.583582] ? rcu_read_lock_held+0xa9/0xc0 [ 93.583593] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 93.583617] filemap_fault+0xf34/0x1ca0 [ 93.583625] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.583648] ? __lock_page_or_retry+0x4f0/0x4f0 [ 93.583672] ? filemap_map_pages+0x942/0x15d0 [ 93.583699] ? find_get_entries_tag+0xeb0/0xeb0 [ 93.583725] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.583731] ? __lock_acquire+0x664/0x3e00 [ 93.583740] ? check_noncircular+0x20/0x20 [ 93.583746] ? print_irqtrace_events+0x270/0x270 [ 93.583754] ? print_irqtrace_events+0x270/0x270 [ 93.583767] ? check_noncircular+0x20/0x20 [ 93.583793] ? lock_acquire+0x1d5/0x580 [ 93.583799] ? lock_acquire+0x1d5/0x580 [ 93.583808] ? ext4_filemap_fault+0x7a/0xad [ 93.583820] ? __lock_acquire+0x664/0x3e00 [ 93.583832] ? lock_release+0xa40/0xa40 [ 93.583839] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 93.583846] ? check_noncircular+0x20/0x20 [ 93.583857] ? rcu_note_context_switch+0x710/0x710 [ 93.583873] ? __might_sleep+0x95/0x190 [ 93.583886] ? down_read+0x96/0x150 [ 93.583892] ? ext4_filemap_fault+0x7a/0xad [ 93.583901] ? __down_interruptible+0x6b0/0x6b0 [ 93.583907] ? __might_fault+0x110/0x1d0 [ 93.583917] ? lock_downgrade+0x980/0x980 [ 93.583936] ext4_filemap_fault+0x82/0xad [ 93.583946] __do_fault+0xeb/0x315 [ 93.583955] ? rcu_pm_notify+0xc0/0xc0 [ 93.583963] ? pte_offset_kernel+0xc7/0xc7 [ 93.583984] ? rcu_read_lock_sched_held+0x108/0x120 [ 93.583993] ? __fpu__restore_sig+0x598/0x1340 [ 93.584009] __handle_mm_fault+0x1d8f/0x3ce0 [ 93.584026] ? __pmd_alloc+0x4e0/0x4e0 [ 93.584032] ? check_noncircular+0x20/0x20 [ 93.584039] ? remove_wait_queue+0x1b4/0x350 [ 93.584055] ? find_held_lock+0x35/0x1d0 [ 93.584075] ? handle_mm_fault+0x2a0/0x930 [ 93.584085] ? lock_downgrade+0x980/0x980 [ 93.584129] handle_mm_fault+0x38f/0x930 [ 93.584135] ? down_read_trylock+0xdb/0x170 [ 93.584147] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 93.584152] ? vmacache_find+0x5f/0x280 [ 93.584166] ? find_vma+0x30/0x150 [ 93.584181] __do_page_fault+0x5c9/0xc90 [ 93.584201] ? mm_fault_error+0x2c0/0x2c0 [ 93.584212] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 93.584223] ? do_syscall_64+0xb6/0x920 [ 93.584237] do_page_fault+0xee/0x720 [ 93.584248] ? __do_page_fault+0xc90/0xc90 [ 93.584263] ? syscall_return_slowpath+0x550/0x550 [ 93.584270] ? SyS_select+0x1ae/0x230 [ 93.584289] ? return_from_SYSCALL_64+0x10/0x75 [ 93.584299] ? page_fault+0x36/0x60 [ 93.584308] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 93.584320] ? page_fault+0x36/0x60 [ 93.584330] page_fault+0x4c/0x60 [ 93.584336] RIP: 0033:0x7f2e268b2dd3 [ 93.584340] RSP: 002b:00007ffc9b8b50e8 EFLAGS: 00010246 [ 93.584346] RAX: 0000000000000000 RBX: 00007ffc9b8b5290 RCX: 00007f2e268b2dd3 [ 93.584350] RDX: 0000000000000000 RSI: 00007ffc9b8b5440 RDI: 000000000000000b [ 93.584354] RBP: 00007ffc9b8b5440 R08: 00007ffc9b8b54c0 R09: 0000000000000001 [ 93.584358] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 93.584362] R13: 00007ffc9b8b5820 R14: 0000000000000000 R15: 0000000000000000 [ 93.584411] Mem-Info: [ 93.584428] active_anon:4610 inactive_anon:63 isolated_anon:0 [ 93.584428] active_file:31 inactive_file:17 isolated_file:1 [ 93.584428] unevictable:0 dirty:0 writeback:0 unstable:0 [ 93.584428] slab_reclaimable:8205 slab_unreclaimable:79919 [ 93.584428] mapped:13 shmem:70 pagetables:300 bounce:0 [ 93.584428] free:24070 free_pcp:286 free_cma:0 [ 93.584440] Node 0 active_anon:18440kB inactive_anon:252kB active_file:124kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:52kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 93.584443] 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 [ 93.584460] lowmem_reserve[]: 0 2868 6378 6378 [ 93.584473] Node 0 DMA32 free:43512kB min:30316kB low:37892kB high:45468kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:72kB unevictable:0kB writepending:0kB present:3129292kB managed:2939968kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:904kB local_pcp:720kB free_cma:0kB [ 93.584489] lowmem_reserve[]: 0 0 3510 3510 [ 93.584502] Node 0 Normal free:36860kB min:37100kB low:46372kB high:55644kB active_anon:18440kB inactive_anon:252kB active_file:132kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3040kB pagetables:1200kB bounce:0kB free_pcp:240kB local_pcp:132kB free_cma:0kB [ 93.584518] lowmem_reserve[]: 0 0 0 0 [ 93.584530] 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 [ 93.584593] Node 0 DMA32: 4*4kB (UME) 1*8kB (E) 2*16kB (U) 2*32kB (UE) 68*64kB (U) 31*128kB (UME) 9*256kB (UME) 10*512kB (UME) 7*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 43512kB [ 93.584659] Node 0 Normal: 261*4kB (UME) 202*8kB (ME) 150*16kB (UME) 98*32kB (UME) 190*64kB (UM) 49*128kB (UM) 21*256kB (UM) 5*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 36612kB [ 93.584720] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 93.584723] 118 total pagecache pages [ 93.584732] 0 pages in swap cache [ 93.584736] Swap cache stats: add 0, delete 0, find 0/0 [ 93.584738] Free swap = 0kB [ 93.584741] Total swap = 0kB [ 93.584744] 1965969 pages RAM [ 93.584746] 0 pages HighMem/MovableOnly [ 93.584749] 328417 pages reserved [ 93.584793] Unreclaimable slab info: [ 93.584815] Name Used Total [ 93.584837] hashtab_node 118KB 119KB [ 93.584842] ebitmap_node 387KB 389KB [ 93.584848] avtab_node 1012KB 1013KB [ 93.584858] TIPC 1KB 7KB [ 93.584866] SCTPv6 2KB 4KB [ 93.584871] SCTP 14KB 14KB [ 93.584878] DCCPv6 2KB 7KB [ 93.584884] DCCP 2KB 6KB [ 93.584905] fib6_nodes 0KB 4KB [ 93.584910] ip6_dst_cache 6KB 11KB [ 93.584917] RAWv6 9KB 19KB [ 93.584922] UDPv6 12KB 14KB [ 93.584929] TCPv6 2KB 5KB [ 93.584948] sd_ext_cdb 0KB 3KB [ 93.584953] scsi_sense_cache 80KB 100KB [ 93.584959] virtio_scsi_cmd 16KB 16KB [ 93.584966] sgpool-128 8KB 8KB [ 93.584971] sgpool-64 4KB 6KB [ 93.584976] sgpool-32 70KB 70KB [ 93.584981] sgpool-16 30KB 30KB [ 93.584986] sgpool-8 157KB 157KB [ 93.584993] cfq_io_cq 15KB 15KB [ 93.584998] cfq_queue 27KB 27KB [ 93.585025] mqueue_inode_cache 1KB 7KB [ 93.585031] nfs_commit_data 3KB 7KB [ 93.585036] nfs_write_data 34KB 37KB [ 93.585043] jbd2_inode 1KB 3KB [ 93.585049] ext4_system_zone 0KB 3KB [ 93.585061] bio-1 1KB 3KB [ 93.585073] rpc_buffers 17KB 19KB [ 93.585078] rpc_tasks 2KB 3KB [ 93.585083] UNIX 780KB 780KB [ 93.585091] tcp_bind_bucket 0KB 4KB [ 93.585099] ip_fib_trie 0KB 3KB [ 93.585104] ip_fib_alias 0KB 3KB [ 93.585109] ip_dst_cache 3KB 8KB [ 93.585115] RAW 5KB 7KB [ 93.585120] UDP 29KB 31KB [ 93.585126] TCP 7KB 7KB [ 93.585131] hugetlbfs_inode_cache 1KB 7KB [ 93.585137] eventpoll_pwq 44KB 51KB [ 93.585141] eventpoll_epi 81KB 90KB [ 93.585146] inotify_inode_mark 3KB 11KB [ 93.585152] request_queue 31KB 39KB [ 93.585158] blkdev_ioc 23KB 23KB [ 93.585163] bio-0 281KB 281KB [ 93.585168] biovec-(1<<(21-12)) 462KB 462KB [ 93.585174] biovec-64 118KB 118KB [ 93.585179] biovec-16 15KB 15KB [ 93.585183] bio_integrity_payload 0KB 4KB [ 93.585188] khugepaged_mm_slot 0KB 3KB [ 93.585198] uid_cache 1KB 3KB [ 93.585203] dmaengine-unmap-2 0KB 3KB [ 93.585208] audit_buffer 0KB 3KB [ 93.585213] skbuff_fclone_cache 143KB 146KB [ 93.585218] skbuff_head_cache 1830KB 1833KB [ 93.585223] configfs_dir_cache 0KB 4KB [ 93.585227] file_lock_cache 163KB 166KB [ 93.585233] file_lock_ctx 1KB 3KB [ 93.585238] fsnotify_mark_connector 2KB 7KB [ 93.585244] shmem_inode_cache 1054KB 1054KB [ 93.585250] task_delay_info 341KB 347KB [ 93.585255] sigqueue 386KB 393KB [ 93.585260] kernfs_node_cache 3139KB 3142KB [ 93.585265] mnt_cache 15KB 16KB [ 93.585270] filp 7863KB 9442KB [ 93.585276] names_cache 103933KB 103963KB [ 93.585284] avc_node 38KB 43KB [ 93.585290] selinux_file_security 391KB 608KB [ 93.585295] selinux_inode_security 2198KB 2208KB [ 93.585300] key_jar 3KB 7KB [ 93.585304] nsproxy 0KB 3KB [ 93.585310] vm_area_struct 20660KB 20801KB [ 93.585315] mm_struct 4684KB 4742KB [ 93.585320] fs_cache 455KB 464KB [ 93.585324] files_cache 1708KB 1728KB [ 93.585329] signal_cache 2728KB 2752KB [ 93.585334] sighand_cache 219KB 277KB [ 93.585339] task_struct 11576KB 11619KB [ 93.585344] cred_jar 2353KB 2372KB [ 93.585349] anon_vma_chain 9033KB 9095KB [ 93.585354] anon_vma 148KB 342KB [ 93.585358] pid 236KB 244KB [ 93.585363] Acpi-Operand 312KB 788KB [ 93.585370] Acpi-Namespace 102KB 104KB [ 93.585376] numa_policy 0KB 3KB [ 93.585381] debug_objects_cache 799KB 799KB [ 93.585386] trace_event_file 149KB 151KB [ 93.585391] ftrace_event_field 261KB 263KB [ 93.585396] pool_workqueue 24KB 28KB [ 93.585402] page->ptl 3277KB 3292KB [ 93.585427] kmalloc-262144 1032KB 1032KB [ 93.585432] kmalloc-131072 650KB 650KB [ 93.585437] kmalloc-65536 264KB 264KB [ 93.585442] kmalloc-32768 825KB 825KB [ 93.585446] kmalloc-16384 181KB 181KB [ 93.585451] kmalloc-8192 528KB 528KB [ 93.585456] kmalloc-4096 3961KB 3995KB [ 93.585460] kmalloc-2048 4150KB 4150KB [ 93.585466] kmalloc-1024 3622KB 3622KB [ 93.585470] kmalloc-512 2858KB 2872KB [ 93.585475] kmalloc-256 1801KB 2561KB [ 93.585480] kmalloc-128 446KB 543KB [ 93.585485] kmalloc-96 289KB 384KB [ 93.585489] kmalloc-64 707KB 732KB [ 93.585494] kmalloc-32 1911KB 2803KB [ 93.585533] kmalloc-192 204KB 268KB [ 93.585538] kmem_cache 102KB 108KB [ 93.585542] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 93.585580] [ 2098] 0 2098 5451 251 81920 0 -1000 udevd [ 93.585600] [ 3957] 0 3957 14298 172 118784 0 0 rsyslogd [ 93.585609] [ 4012] 0 4012 4725 51 86016 0 0 cron [ 93.585619] [ 4027] 0 4027 3736 45 69632 0 0 mcstransd [ 93.585629] [ 4058] 0 4058 12490 152 139264 0 -1000 sshd [ 93.585639] [ 4082] 0 4082 3694 41 77824 0 0 getty [ 93.585649] [ 4083] 0 4083 3694 40 77824 0 0 getty [ 93.585664] [ 4084] 0 4084 3694 41 73728 0 0 getty [ 93.585674] [ 4085] 0 4085 3694 42 77824 0 0 getty [ 93.585683] [ 4086] 0 4086 3694 39 77824 0 0 getty [ 93.585693] [ 4087] 0 4087 3694 39 73728 0 0 getty [ 93.585703] [ 4088] 0 4088 3649 37 77824 0 0 getty [ 93.585713] [ 4092] 0 4092 5681 455 77824 0 -1000 udevd [ 93.585723] [ 4093] 0 4093 5681 455 77824 0 -1000 udevd [ 93.585732] [ 4112] 0 4112 17821 197 188416 0 0 sshd [ 93.585742] [ 4114] 0 4114 238 1 28672 0 0 syzkaller045219 [ 93.585753] [ 4116] 0 4116 4333 0 28672 0 0 syzkaller045219 [ 93.585763] [ 4117] 0 4117 4333 0 28672 0 0 syzkaller045219 [ 93.585773] [ 4118] 0 4118 4333 520 32768 0 0 syzkaller045219 [ 93.585782] [ 4119] 0 4119 4333 520 32768 0 0 syzkaller045219 [ 93.585792] [ 4120] 0 4120 4333 520 32768 0 0 syzkaller045219 [ 93.585801] [ 4121] 0 4121 4333 520 32768 0 0 syzkaller045219 [ 93.585811] [ 4122] 0 4122 4333 520 32768 0 0 syzkaller045219 [ 93.585816] Out of memory: Kill process 4118 (syzkaller045219) score 0 or sacrifice child [ 93.585908] Killed process 4118 (syzkaller045219) total-vm:17332kB, anon-rss:2080kB, file-rss:0kB, shmem-rss:0kB [ 93.594498] oom_reaper: reaped process 4118 (syzkaller045219), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 93.595343] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 93.595347] init cpuset=/ mems_allowed=0 [ 93.595363] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0+ #200 [ 93.595367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.595369] Call Trace: [ 93.595383] dump_stack+0x194/0x257 [ 93.595397] ? arch_local_irq_restore+0x53/0x53 [ 93.595409] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.595430] dump_header+0x28c/0xe1e [ 93.595448] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.595462] ? pagefault_out_of_memory+0x152/0x152 [ 93.595479] ? check_noncircular+0x20/0x20 [ 93.595491] ? __lock_acquire+0x664/0x3e00 [ 93.595515] ? check_noncircular+0x20/0x20 [ 93.595523] ? find_held_lock+0x35/0x1d0 [ 93.595544] ? task_will_free_mem+0x252/0xaa0 [ 93.595560] ? print_irqtrace_events+0x270/0x270 [ 93.595578] ? ___ratelimit+0x30d/0x630 [ 93.595587] ? lock_downgrade+0x980/0x980 [ 93.595602] ? lock_release+0xa40/0xa40 [ 93.595618] ? mark_held_locks+0xaf/0x100 [ 93.595629] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 93.595640] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 93.595650] ? trace_hardirqs_on+0xd/0x10 [ 93.595667] ? ___ratelimit+0x95/0x630 [ 93.595678] ? idr_get_free_cmn+0xfd0/0xfd0 [ 93.595687] ? find_held_lock+0x138/0x1d0 [ 93.595706] oom_kill_process+0x8b9/0x1550 [ 93.595722] ? has_ns_capability_noaudit+0x163/0x2a0 [ 93.595731] ? lock_downgrade+0x980/0x980 [ 93.595747] ? oom_evaluate_task+0x480/0x480 [ 93.595771] ? security_capable_noaudit+0x8b/0xc0 [ 93.595785] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 93.595795] ? has_capability+0x30/0x30 [ 93.595800] ? do_raw_spin_trylock+0x190/0x190 [ 93.595820] ? check_noncircular+0x20/0x20 [ 93.595828] ? has_capability_noaudit+0x24/0x30 [ 93.595838] ? oom_badness+0xd1/0x980 [ 93.595843] ? lock_release+0xa40/0xa40 [ 93.595851] ? do_try_to_free_pages+0xc53/0x1020 [ 93.595862] ? find_lock_task_mm+0x460/0x460 [ 93.595878] ? find_held_lock+0x35/0x1d0 [ 93.595897] ? out_of_memory+0xb3a/0x1220 [ 93.595907] ? lock_downgrade+0x980/0x980 [ 93.595920] ? lock_release+0xa40/0xa40 [ 93.595926] ? lock_acquire+0x1d5/0x580 [ 93.595936] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 93.595955] ? oom_evaluate_task+0x284/0x480 [ 93.595970] out_of_memory+0x86d/0x1220 [ 93.595991] ? oom_killer_disable+0x310/0x310 [ 93.595997] ? mutex_trylock+0x23a/0x2d0 [ 93.596010] ? __lock_is_held+0xb6/0x140 [ 93.596019] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 93.596044] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 93.596063] ? trace_hardirqs_on+0xd/0x10 [ 93.596097] ? warn_alloc+0x2b0/0x2b0 [ 93.596106] ? lock_downgrade+0x980/0x980 [ 93.596127] ? radix_tree_lookup_slot+0x99/0xe0 [ 93.596155] ? find_get_entry+0x53c/0x9e0 [ 93.596188] ? check_noncircular+0x20/0x20 [ 93.596199] ? __lock_acquire+0x664/0x3e00 [ 93.596228] ? __lock_is_held+0xb6/0x140 [ 93.596256] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 93.596279] ? __might_sleep+0x95/0x190 [ 93.596294] __alloc_pages_nodemask+0x9fb/0xd80 [ 93.596313] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 93.596322] ? add_to_page_cache_lru+0x510/0x510 [ 93.596337] ? check_noncircular+0x20/0x20 [ 93.596343] ? read_cache_pages+0x990/0x990 [ 93.596353] ? check_noncircular+0x20/0x20 [ 93.596360] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 93.596369] ? check_noncircular+0x20/0x20 [ 93.596376] ? check_noncircular+0x20/0x20 [ 93.596383] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 93.596420] alloc_pages_current+0xb6/0x1e0 [ 93.596434] __page_cache_alloc+0x334/0x500 [ 93.596443] ? rcu_read_lock_held+0xa9/0xc0 [ 93.596455] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 93.596479] filemap_fault+0xf34/0x1ca0 [ 93.596487] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.596510] ? __lock_page_or_retry+0x4f0/0x4f0 [ 93.596529] ? filemap_map_pages+0x942/0x15d0 [ 93.596556] ? find_get_entries_tag+0xeb0/0xeb0 [ 93.596582] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.596588] ? __lock_acquire+0x664/0x3e00 [ 93.596597] ? check_noncircular+0x20/0x20 [ 93.596603] ? print_irqtrace_events+0x270/0x270 [ 93.596611] ? print_irqtrace_events+0x270/0x270 [ 93.596624] ? check_noncircular+0x20/0x20 [ 93.596650] ? lock_acquire+0x1d5/0x580 [ 93.596661] ? lock_acquire+0x1d5/0x580 [ 93.596670] ? ext4_filemap_fault+0x7a/0xad [ 93.596681] ? __lock_acquire+0x664/0x3e00 [ 93.596693] ? lock_release+0xa40/0xa40 [ 93.596701] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 93.596707] ? check_noncircular+0x20/0x20 [ 93.596718] ? rcu_note_context_switch+0x710/0x710 [ 93.596734] ? __might_sleep+0x95/0x190 [ 93.596747] ? down_read+0x96/0x150 [ 93.596753] ? ext4_filemap_fault+0x7a/0xad [ 93.596762] ? __down_interruptible+0x6b0/0x6b0 [ 93.596769] ? __might_fault+0x110/0x1d0 [ 93.596778] ? lock_downgrade+0x980/0x980 [ 93.596797] ext4_filemap_fault+0x82/0xad [ 93.596807] __do_fault+0xeb/0x315 [ 93.596816] ? rcu_pm_notify+0xc0/0xc0 [ 93.596824] ? pte_offset_kernel+0xc7/0xc7 [ 93.596845] ? rcu_read_lock_sched_held+0x108/0x120 [ 93.596854] ? __fpu__restore_sig+0x598/0x1340 [ 93.596869] __handle_mm_fault+0x1d8f/0x3ce0 [ 93.596887] ? __pmd_alloc+0x4e0/0x4e0 [ 93.596893] ? check_noncircular+0x20/0x20 [ 93.596901] ? remove_wait_queue+0x1b4/0x350 [ 93.596916] ? find_held_lock+0x35/0x1d0 [ 93.596936] ? handle_mm_fault+0x2a0/0x930 [ 93.596946] ? lock_downgrade+0x980/0x980 [ 93.596990] handle_mm_fault+0x38f/0x930 [ 93.596996] ? down_read_trylock+0xdb/0x170 [ 93.597007] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 93.597014] ? vmacache_find+0x5f/0x280 [ 93.597027] ? find_vma+0x30/0x150 [ 93.597041] __do_page_fault+0x5c9/0xc90 [ 93.597061] ? mm_fault_error+0x2c0/0x2c0 [ 93.597073] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 93.597083] ? do_syscall_64+0xb6/0x920 [ 93.597097] do_page_fault+0xee/0x720 [ 93.597108] ? __do_page_fault+0xc90/0xc90 [ 93.597123] ? syscall_return_slowpath+0x550/0x550 [ 93.597131] ? SyS_select+0x1ae/0x230 [ 93.597150] ? return_from_SYSCALL_64+0x10/0x75 [ 93.597160] ? page_fault+0x36/0x60 [ 93.597169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 93.597182] ? page_fault+0x36/0x60 [ 93.597191] page_fault+0x4c/0x60 [ 93.597197] RIP: 0033:0x7f2e268b2dd3 [ 93.597201] RSP: 002b:00007ffc9b8b50e8 EFLAGS: 00010246 [ 93.597208] RAX: 0000000000000000 RBX: 00007ffc9b8b5290 RCX: 00007f2e268b2dd3 [ 93.597212] RDX: 0000000000000000 RSI: 00007ffc9b8b5440 RDI: 000000000000000b [ 93.597216] RBP: 00007ffc9b8b5440 R08: 00007ffc9b8b54c0 R09: 0000000000000001 [ 93.597219] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 93.597223] R13: 00007ffc9b8b5820 R14: 0000000000000000 R15: 0000000000000000 [ 93.597271] Mem-Info: [ 93.597287] active_anon:4093 inactive_anon:63 isolated_anon:0 [ 93.597287] active_file:31 inactive_file:17 isolated_file:1 [ 93.597287] unevictable:0 dirty:0 writeback:0 unstable:0 [ 93.597287] slab_reclaimable:8205 slab_unreclaimable:79919 [ 93.597287] mapped:13 shmem:70 pagetables:300 bounce:0 [ 93.597287] free:22753 free_pcp:281 free_cma:0 [ 93.597300] Node 0 active_anon:16372kB inactive_anon:252kB active_file:124kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:52kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 93.597302] 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 [ 93.597319] lowmem_reserve[]: 0 2868 6378 6378 [ 93.597333] Node 0 DMA32 free:43512kB min:30316kB low:37892kB high:45468kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:72kB unevictable:0kB writepending:0kB present:3129292kB managed:2939968kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:904kB local_pcp:720kB free_cma:0kB [ 93.597348] lowmem_reserve[]: 0 0 3510 3510 [ 93.597361] Node 0 Normal free:31592kB min:37100kB low:46372kB high:55644kB active_anon:16372kB inactive_anon:252kB active_file:132kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3040kB pagetables:1200kB bounce:0kB free_pcp:220kB local_pcp:112kB free_cma:0kB [ 93.597377] lowmem_reserve[]: 0 0 0 0 [ 93.597389] 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 [ 93.597445] Node 0 DMA32: 4*4kB (UME) 1*8kB (E) 2*16kB (U) 2*32kB (UE) 68*64kB (U) 31*128kB (UME) 9*256kB (UME) 10*512kB (UME) 7*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 43512kB [ 93.597506] Node 0 Normal: 260*4kB (ME) 202*8kB (ME) 149*16kB (ME) 98*32kB (UME) 76*64kB (UM) 49*128kB (UM) 21*256kB (UM) 5*512kB (U) 0*1024kB 2*2048kB (M) 0*4096kB = 31344kB [ 93.597567] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 93.597569] 118 total pagecache pages [ 93.597578] 0 pages in swap cache [ 93.597582] Swap cache stats: add 0, delete 0, find 0/0 [ 93.597585] Free swap = 0kB [ 93.597588] Total swap = 0kB [ 93.597590] 1965969 pages RAM [ 93.597593] 0 pages HighMem/MovableOnly [ 93.597595] 328417 pages reserved [ 93.597599] Unreclaimable slab info: [ 93.597602] Name Used Total [ 93.597608] hashtab_node 118KB 119KB [ 93.597613] ebitmap_node 387KB 389KB [ 93.597618] avtab_node 1012KB 1013KB [ 93.597629] TIPC 1KB 7KB [ 93.597637] SCTPv6 2KB 4KB [ 93.597642] SCTP 14KB 14KB [ 93.597650] DCCPv6 2KB 7KB [ 93.597662] DCCP 2KB 6KB [ 93.597683] fib6_nodes 0KB 4KB [ 93.597689] ip6_dst_cache 6KB 11KB [ 93.597696] RAWv6 9KB 19KB [ 93.597701] UDPv6 12KB 14KB [ 93.597708] TCPv6 2KB 5KB [ 93.597726] sd_ext_cdb 0KB 3KB [ 93.597731] scsi_sense_cache 80KB 100KB [ 93.597736] virtio_scsi_cmd 16KB 16KB [ 93.597744] sgpool-128 8KB 8KB [ 93.597749] sgpool-64 4KB 6KB [ 93.597754] sgpool-32 70KB 70KB [ 93.597758] sgpool-16 30KB 30KB [ 93.597763] sgpool-8 157KB 157KB [ 93.597770] cfq_io_cq 15KB 15KB [ 93.597775] cfq_queue 27KB 27KB [ 93.597781] mqueue_inode_cache 1KB 7KB [ 93.597787] nfs_commit_data 3KB 7KB [ 93.597792] nfs_write_data 34KB 37KB [ 93.597799] jbd2_inode 1KB 3KB [ 93.597805] ext4_system_zone 0KB 3KB [ 93.597817] bio-1 1KB 3KB [ 93.597829] rpc_buffers 17KB 19KB [ 93.597833] rpc_tasks 2KB 3KB [ 93.597838] UNIX 780KB 780KB [ 93.597846] tcp_bind_bucket 0KB 4KB [ 93.597853] ip_fib_trie 0KB 3KB [ 93.597858] ip_fib_alias 0KB 3KB [ 93.597863] ip_dst_cache 3KB 8KB [ 93.597869] RAW 5KB 7KB [ 93.597873] UDP 29KB 31KB [ 93.597879] TCP 7KB 7KB [ 93.597884] hugetlbfs_inode_cache 1KB 7KB [ 93.597890] eventpoll_pwq 44KB 51KB [ 93.597895] eventpoll_epi 81KB 90KB [ 93.597900] inotify_inode_mark 3KB 11KB [ 93.597906] request_queue 31KB 39KB [ 93.597912] blkdev_ioc 23KB 23KB [ 93.597917] bio-0 281KB 281KB [ 93.597922] biovec-(1<<(21-12)) 462KB 462KB [ 93.597928] biovec-64 118KB 118KB [ 93.597933] biovec-16 15KB 15KB [ 93.597937] bio_integrity_payload 0KB 4KB [ 93.597942] khugepaged_mm_slot 0KB 3KB [ 93.597951] uid_cache 1KB 3KB [ 93.597955] dmaengine-unmap-2 0KB 3KB [ 93.597960] audit_buffer 0KB 3KB [ 93.597965] skbuff_fclone_cache 143KB 146KB [ 93.597970] skbuff_head_cache 1830KB 1833KB [ 93.597975] configfs_dir_cache 0KB 4KB [ 93.597980] file_lock_cache 163KB 166KB [ 93.597985] file_lock_ctx 1KB 3KB [ 93.597991] fsnotify_mark_connector 2KB 7KB [ 93.597997] shmem_inode_cache 1054KB 1054KB [ 93.598006] task_delay_info 341KB 347KB [ 93.598029] sigqueue 386KB 393KB [ 93.598035] kernfs_node_cache 3139KB 3142KB [ 93.598039] mnt_cache 15KB 16KB [ 93.598045] filp 7863KB 9442KB [ 93.598050] names_cache 103933KB 103963KB [ 93.598059] avc_node 38KB 43KB [ 93.598064] selinux_file_security 391KB 608KB [ 93.598069] selinux_inode_security 2198KB 2208KB [ 93.598074] key_jar 3KB 7KB [ 93.598079] nsproxy 0KB 3KB [ 93.598084] vm_area_struct 20660KB 20801KB [ 93.598089] mm_struct 4684KB 4742KB [ 93.598094] fs_cache 455KB 464KB [ 93.598099] files_cache 1708KB 1728KB [ 93.598104] signal_cache 2728KB 2752KB [ 93.598109] sighand_cache 219KB 277KB [ 93.598114] task_struct 11576KB 11619KB [ 93.598119] cred_jar 2353KB 2372KB [ 93.598124] anon_vma_chain 9033KB 9095KB [ 93.598129] anon_vma 148KB 342KB [ 93.598134] pid 236KB 244KB [ 93.598139] Acpi-Operand 312KB 788KB [ 93.598146] Acpi-Namespace 102KB 104KB [ 93.598152] numa_policy 0KB 3KB [ 93.598157] debug_objects_cache 799KB 799KB [ 93.598162] trace_event_file 149KB 151KB [ 93.598167] ftrace_event_field 261KB 263KB [ 93.598172] pool_workqueue 24KB 28KB [ 93.598178] page->ptl 3277KB 3292KB [ 93.598203] kmalloc-262144 1032KB 1032KB [ 93.598208] kmalloc-131072 650KB 650KB [ 93.598213] kmalloc-65536 264KB 264KB [ 93.598218] kmalloc-32768 825KB 825KB [ 93.598222] kmalloc-16384 181KB 181KB [ 93.598227] kmalloc-8192 528KB 528KB [ 93.598232] kmalloc-4096 3961KB 3995KB [ 93.598237] kmalloc-2048 4150KB 4150KB [ 93.598242] kmalloc-1024 3622KB 3622KB [ 93.598247] kmalloc-512 2858KB 2872KB [ 93.598251] kmalloc-256 1801KB 2561KB [ 93.598256] kmalloc-128 446KB 543KB [ 93.598261] kmalloc-96 289KB 384KB [ 93.598265] kmalloc-64 707KB 732KB [ 93.598270] kmalloc-32 1911KB 2803KB [ 93.598275] kmalloc-192 204KB 268KB [ 93.598280] kmem_cache 102KB 108KB [ 93.598283] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 93.598302] [ 2098] 0 2098 5451 251 81920 0 -1000 udevd [ 93.598312] [ 3957] 0 3957 14298 172 118784 0 0 rsyslogd [ 93.598321] [ 4012] 0 4012 4725 51 86016 0 0 cron [ 93.598330] [ 4027] 0 4027 3736 45 69632 0 0 mcstransd [ 93.598340] [ 4058] 0 4058 12490 152 139264 0 -1000 sshd [ 93.598349] [ 4082] 0 4082 3694 41 77824 0 0 getty [ 93.598359] [ 4083] 0 4083 3694 40 77824 0 0 getty [ 93.598368] [ 4084] 0 4084 3694 41 73728 0 0 getty [ 93.598377] [ 4085] 0 4085 3694 42 77824 0 0 getty [ 93.598387] [ 4086] 0 4086 3694 39 77824 0 0 getty [ 93.598396] [ 4087] 0 4087 3694 39 73728 0 0 getty [ 93.598406] [ 4088] 0 4088 3649 37 77824 0 0 getty [ 93.598416] [ 4092] 0 4092 5681 455 77824 0 -1000 udevd [ 93.598425] [ 4093] 0 4093 5681 455 77824 0 -1000 udevd [ 93.598435] [ 4112] 0 4112 17821 197 188416 0 0 sshd [ 93.598445] [ 4114] 0 4114 238 1 28672 0 0 syzkaller045219 [ 93.598456] [ 4116] 0 4116 4333 0 28672 0 0 syzkaller045219 [ 93.598465] [ 4117] 0 4117 4333 0 28672 0 0 syzkaller045219 [ 93.598475] [ 4118] 0 4118 4333 0 28672 0 0 syzkaller045219 [ 93.598484] [ 4119] 0 4119 4333 520 32768 0 0 syzkaller045219 [ 93.598494] [ 4120] 0 4120 4333 520 32768 0 0 syzkaller045219 [ 93.598504] [ 4121] 0 4121 4333 520 32768 0 0 syzkaller045219 [ 93.598513] [ 4122] 0 4122 4333 520 32768 0 0 syzkaller045219 [ 93.598519] Out of memory: Kill process 4119 (syzkaller045219) score 0 or sacrifice child [ 93.598537] Killed process 4119 (syzkaller045219) total-vm:17332kB, anon-rss:2080kB, file-rss:0kB, shmem-rss:0kB [ 93.618578] oom_reaper: reaped process 4119 (syzkaller045219), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 93.619431] init invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 93.619435] init cpuset=/ mems_allowed=0 [ 93.619450] CPU: 0 PID: 1 Comm: init Not tainted 4.15.0+ #200 [ 93.619454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.619457] Call Trace: [ 93.619470] dump_stack+0x194/0x257 [ 93.619484] ? arch_local_irq_restore+0x53/0x53 [ 93.619496] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.619518] dump_header+0x28c/0xe1e [ 93.619536] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.619549] ? pagefault_out_of_memory+0x152/0x152 [ 93.619567] ? check_noncircular+0x20/0x20 [ 93.619579] ? __lock_acquire+0x664/0x3e00 [ 93.619602] ? check_noncircular+0x20/0x20 [ 93.619610] ? find_held_lock+0x35/0x1d0 [ 93.619631] ? task_will_free_mem+0x252/0xaa0 [ 93.619647] ? print_irqtrace_events+0x270/0x270 [ 93.619670] ? ___ratelimit+0x30d/0x630 [ 93.619680] ? lock_downgrade+0x980/0x980 [ 93.619694] ? lock_release+0xa40/0xa40 [ 93.619710] ? mark_held_locks+0xaf/0x100 [ 93.619721] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 93.619732] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 93.619742] ? trace_hardirqs_on+0xd/0x10 [ 93.619753] ? ___ratelimit+0x95/0x630 [ 93.619764] ? idr_get_free_cmn+0xfd0/0xfd0 [ 93.619774] ? find_held_lock+0x138/0x1d0 [ 93.619793] oom_kill_process+0x8b9/0x1550 [ 93.619807] ? has_ns_capability_noaudit+0x163/0x2a0 [ 93.619817] ? lock_downgrade+0x980/0x980 [ 93.619833] ? oom_evaluate_task+0x480/0x480 [ 93.619856] ? security_capable_noaudit+0x8b/0xc0 [ 93.619871] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 93.619880] ? has_capability+0x30/0x30 [ 93.619886] ? do_raw_spin_trylock+0x190/0x190 [ 93.619906] ? check_noncircular+0x20/0x20 [ 93.619914] ? has_capability_noaudit+0x24/0x30 [ 93.619923] ? oom_badness+0xd1/0x980 [ 93.619929] ? lock_release+0xa40/0xa40 [ 93.619936] ? do_try_to_free_pages+0xc53/0x1020 [ 93.619948] ? find_lock_task_mm+0x460/0x460 [ 93.619963] ? find_held_lock+0x35/0x1d0 [ 93.619983] ? out_of_memory+0xb3a/0x1220 [ 93.619993] ? lock_downgrade+0x980/0x980 [ 93.620009] ? lock_release+0xa40/0xa40 [ 93.620015] ? lock_acquire+0x1d5/0x580 [ 93.620024] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 93.620044] ? oom_evaluate_task+0x284/0x480 [ 93.620059] out_of_memory+0x86d/0x1220 [ 93.620080] ? oom_killer_disable+0x310/0x310 [ 93.620086] ? mutex_trylock+0x23a/0x2d0 [ 93.620096] ? __lock_is_held+0xb6/0x140 [ 93.620105] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 93.620130] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 93.620149] ? trace_hardirqs_on+0xd/0x10 [ 93.620184] ? warn_alloc+0x2b0/0x2b0 [ 93.620192] ? lock_downgrade+0x980/0x980 [ 93.620213] ? radix_tree_lookup_slot+0x99/0xe0 [ 93.620241] ? find_get_entry+0x53c/0x9e0 [ 93.620274] ? check_noncircular+0x20/0x20 [ 93.620285] ? __lock_acquire+0x664/0x3e00 [ 93.620313] ? __lock_is_held+0xb6/0x140 [ 93.620342] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 93.620365] ? __might_sleep+0x95/0x190 [ 93.620380] __alloc_pages_nodemask+0x9fb/0xd80 [ 93.620399] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 93.620408] ? add_to_page_cache_lru+0x510/0x510 [ 93.620423] ? check_noncircular+0x20/0x20 [ 93.620429] ? read_cache_pages+0x990/0x990 [ 93.620439] ? check_noncircular+0x20/0x20 [ 93.620446] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 93.620455] ? check_noncircular+0x20/0x20 [ 93.620463] ? check_noncircular+0x20/0x20 [ 93.620470] ? radix_tree_next_chunk+0x5e8/0xdf0 [ 93.620506] alloc_pages_current+0xb6/0x1e0 [ 93.620521] __page_cache_alloc+0x334/0x500 [ 93.620530] ? rcu_read_lock_held+0xa9/0xc0 [ 93.620541] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 93.620565] filemap_fault+0xf34/0x1ca0 [ 93.620573] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.620596] ? __lock_page_or_retry+0x4f0/0x4f0 [ 93.620616] ? filemap_map_pages+0x942/0x15d0 [ 93.620642] ? find_get_entries_tag+0xeb0/0xeb0 [ 93.620672] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.620678] ? __lock_acquire+0x664/0x3e00 [ 93.620687] ? check_noncircular+0x20/0x20 [ 93.620693] ? print_irqtrace_events+0x270/0x270 [ 93.620701] ? print_irqtrace_events+0x270/0x270 [ 93.620714] ? check_noncircular+0x20/0x20 [ 93.620740] ? lock_acquire+0x1d5/0x580 [ 93.620746] ? lock_acquire+0x1d5/0x580 [ 93.620755] ? ext4_filemap_fault+0x7a/0xad [ 93.620766] ? __lock_acquire+0x664/0x3e00 [ 93.620778] ? lock_release+0xa40/0xa40 [ 93.620785] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 93.620792] ? check_noncircular+0x20/0x20 [ 93.620803] ? rcu_note_context_switch+0x710/0x710 [ 93.620819] ? __might_sleep+0x95/0x190 [ 93.620832] ? down_read+0x96/0x150 [ 93.620838] ? ext4_filemap_fault+0x7a/0xad [ 93.620847] ? __down_interruptible+0x6b0/0x6b0 [ 93.620853] ? __might_fault+0x110/0x1d0 [ 93.620863] ? lock_downgrade+0x980/0x980 [ 93.620882] ext4_filemap_fault+0x82/0xad [ 93.620892] __do_fault+0xeb/0x315 [ 93.620900] ? rcu_pm_notify+0xc0/0xc0 [ 93.620909] ? pte_offset_kernel+0xc7/0xc7 [ 93.620930] ? rcu_read_lock_sched_held+0x108/0x120 [ 93.620939] ? __fpu__restore_sig+0x598/0x1340 [ 93.620954] __handle_mm_fault+0x1d8f/0x3ce0 [ 93.620971] ? __pmd_alloc+0x4e0/0x4e0 [ 93.620977] ? check_noncircular+0x20/0x20 [ 93.620985] ? remove_wait_queue+0x1b4/0x350 [ 93.621001] ? find_held_lock+0x35/0x1d0 [ 93.621021] ? handle_mm_fault+0x2a0/0x930 [ 93.621031] ? lock_downgrade+0x980/0x980 [ 93.621075] handle_mm_fault+0x38f/0x930 [ 93.621081] ? down_read_trylock+0xdb/0x170 [ 93.621092] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 93.621098] ? vmacache_find+0x5f/0x280 [ 93.621111] ? find_vma+0x30/0x150 [ 93.621126] __do_page_fault+0x5c9/0xc90 [ 93.621146] ? mm_fault_error+0x2c0/0x2c0 [ 93.621158] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 93.621169] ? do_syscall_64+0xb6/0x920 [ 93.621182] do_page_fault+0xee/0x720 [ 93.621194] ? __do_page_fault+0xc90/0xc90 [ 93.621209] ? syscall_return_slowpath+0x550/0x550 [ 93.621216] ? SyS_select+0x1ae/0x230 [ 93.621235] ? return_from_SYSCALL_64+0x10/0x75 [ 93.621245] ? page_fault+0x36/0x60 [ 93.621254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 93.621266] ? page_fault+0x36/0x60 [ 93.621276] page_fault+0x4c/0x60 [ 93.621282] RIP: 0033:0x7f2e268b2dd3 [ 93.621285] RSP: 002b:00007ffc9b8b50e8 EFLAGS: 00010246 [ 93.621292] RAX: 0000000000000000 RBX: 00007ffc9b8b5290 RCX: 00007f2e268b2dd3 [ 93.621296] RDX: 0000000000000000 RSI: 00007ffc9b8b5440 RDI: 000000000000000b [ 93.621300] RBP: 00007ffc9b8b5440 R08: 00007ffc9b8b54c0 R09: 0000000000000001 [ 93.621304] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 93.621308] R13: 00007ffc9b8b5820 R14: 0000000000000000 R15: 0000000000000000 [ 93.621355] Mem-Info: [ 93.621371] active_anon:3576 inactive_anon:63 isolated_anon:0 [ 93.621371] active_file:31 inactive_file:17 isolated_file:1 [ 93.621371] unevictable:0 dirty:0 writeback:0 unstable:0 [ 93.621371] slab_reclaimable:8205 slab_unreclaimable:79919 [ 93.621371] mapped:13 shmem:70 pagetables:300 bounce:0 [ 93.621371] free:17499 free_pcp:299 free_cma:0 [ 93.621385] Node 0 active_anon:14304kB inactive_anon:252kB active_file:124kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:52kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 93.621387] 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 [ 93.621403] lowmem_reserve[]: 0 2868 6378 6378 [ 93.621416] Node 0 DMA32 free:33592kB min:30316kB low:37892kB high:45468kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:72kB unevictable:0kB writepending:0kB present:3129292kB managed:2939968kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:924kB local_pcp:740kB free_cma:0kB [ 93.621432] lowmem_reserve[]: 0 0 3510 3510 [ 93.621445] Node 0 Normal free:20496kB min:37100kB low:46372kB high:55644kB active_anon:14304kB inactive_anon:252kB active_file:132kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3040kB pagetables:1200kB bounce:0kB free_pcp:272kB local_pcp:164kB free_cma:0kB [ 93.621461] lowmem_reserve[]: 0 0 0 0 [ 93.621473] 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 [ 93.621529] Node 0 DMA32: 2*4kB (ME) 2*8kB (UE) 0*16kB 1*32kB (E) 0*64kB 2*128kB (ME) 2*256kB (ME) 10*512kB (UME) 7*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 33592kB [ 93.621586] Node 0 Normal: 260*4kB (ME) 203*8kB (UME) 149*16kB (ME) 97*32kB (ME) 43*64kB (UM) 33*128kB (M) 12*256kB (M) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 20248kB [ 93.621644] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 93.621647] 118 total pagecache pages [ 93.621660] 0 pages in swap cache [ 93.621665] Swap cache stats: add 0, delete 0, find 0/0 [ 93.621667] Free swap = 0kB [ 93.621670] Total swap = 0kB [ 93.621673] 1965969 pages RAM [ 93.621675] 0 pages HighMem/MovableOnly [ 93.621678] 328417 pages reserved [ 93.621681] Unreclaimable slab info: [ 93.621684] Name Used Total [ 93.621690] hashtab_node 118KB 119KB [ 93.621695] ebitmap_node 387KB 389KB [ 93.621701] avtab_node 1012KB 1013KB [ 93.621712] TIPC 1KB 7KB [ 93.621720] SCTPv6 2KB 4KB [ 93.621725] SCTP 14KB 14KB [ 93.621733] DCCPv6 2KB 7KB [ 93.621740] DCCP 2KB 6KB [ 93.621761] fib6_nodes 0KB 4KB [ 93.621766] ip6_dst_cache 6KB 11KB [ 93.621773] RAWv6 9KB 19KB [ 93.621779] UDPv6 12KB 14KB [ 93.621785] TCPv6 2KB 5KB [ 93.621804] sd_ext_cdb 0KB 3KB [ 93.621809] scsi_sense_cache 80KB 100KB [ 93.621814] virtio_scsi_cmd 16KB 16KB [ 93.621822] sgpool-128 8KB 8KB [ 93.621827] sgpool-64 4KB 6KB [ 93.621831] sgpool-32 70KB 70KB [ 93.621836] sgpool-16 30KB 30KB [ 93.621841] sgpool-8 157KB 157KB [ 93.621847] cfq_io_cq 15KB 15KB [ 93.621852] cfq_queue 27KB 27KB [ 93.621858] mqueue_inode_cache 1KB 7KB [ 93.621864] nfs_commit_data 3KB 7KB [ 93.621869] nfs_write_data 34KB 37KB [ 93.621877] jbd2_inode 1KB 3KB [ 93.621882] ext4_system_zone 0KB 3KB [ 93.621894] bio-1 1KB 3KB [ 93.621906] rpc_buffers 17KB 19KB [ 93.621910] rpc_tasks 2KB 3KB [ 93.621915] UNIX 780KB 780KB [ 93.621923] tcp_bind_bucket 0KB 4KB [ 93.621930] ip_fib_trie 0KB 3KB [ 93.621935] ip_fib_alias 0KB 3KB [ 93.621939] ip_dst_cache 3KB 8KB [ 93.621945] RAW 5KB 7KB [ 93.621950] UDP 29KB 31KB [ 93.621956] TCP 7KB 7KB [ 93.621962] hugetlbfs_inode_cache 1KB 7KB [ 93.621968] eventpoll_pwq 44KB 51KB [ 93.621972] eventpoll_epi 81KB 90KB [ 93.621978] inotify_inode_mark 3KB 11KB [ 93.621983] request_queue 31KB 39KB [ 93.621989] blkdev_ioc 23KB 23KB [ 93.621994] bio-0 281KB 281KB [ 93.621999] biovec-(1<<(21-12)) 462KB 462KB [ 93.622026] biovec-64 118KB 118KB [ 93.622031] biovec-16 15KB 15KB [ 93.622036] bio_integrity_payload 0KB 4KB [ 93.622041] khugepaged_mm_slot 0KB 3KB [ 93.622050] uid_cache 1KB 3KB [ 93.622055] dmaengine-unmap-2 0KB 3KB [ 93.622059] audit_buffer 0KB 3KB [ 93.622065] skbuff_fclone_cache 143KB 146KB [ 93.622070] skbuff_head_cache 1830KB 1833KB [ 93.622075] configfs_dir_cache 0KB 4KB [ 93.622080] file_lock_cache 163KB 166KB [ 93.622085] file_lock_ctx 1KB 3KB [ 93.622090] fsnotify_mark_connector 2KB 7KB [ 93.622095] shmem_inode_cache 1054KB 1054KB [ 93.622100] task_delay_info 341KB 347KB [ 93.622106] sigqueue 386KB 393KB [ 93.622111] kernfs_node_cache 3139KB 3142KB [ 93.622116] mnt_cache 15KB 16KB [ 93.622120] filp 7863KB 9442KB [ 93.622126] names_cache 103933KB 103963KB [ 93.622135] avc_node 38KB 43KB [ 93.622141] selinux_file_security 391KB 608KB [ 93.622146] selinux_inode_security 2198KB 2208KB [ 93.622151] key_jar 3KB 7KB [ 93.622156] nsproxy 0KB 3KB [ 93.622161] vm_area_struct 20660KB 20801KB [ 93.622166] mm_struct 4684KB 4742KB [ 93.622172] fs_cache 455KB 464KB [ 93.622178] files_cache 1708KB 1728KB [ 93.622183] signal_cache 2728KB 2752KB [ 93.622188] sighand_cache 219KB 277KB [ 93.622193] task_struct 11576KB 11619KB [ 93.622198] cred_jar 2353KB 2372KB [ 93.622203] anon_vma_chain 9033KB 9095KB [ 93.622208] anon_vma 148KB 342KB [ 93.622213] pid 236KB 244KB [ 93.622217] Acpi-Operand 312KB 788KB [ 93.622224] Acpi-Namespace 102KB 104KB [ 93.622230] numa_policy 0KB 3KB [ 93.622235] debug_objects_cache 799KB 799KB [ 93.622240] trace_event_file 149KB 151KB [ 93.622245] ftrace_event_field 261KB 263KB [ 93.622250] pool_workqueue 24KB 28KB [ 93.622256] page->ptl 3277KB 3292KB [ 93.622280] kmalloc-262144 1032KB 1032KB [ 93.622286] kmalloc-131072 650KB 650KB [ 93.622290] kmalloc-65536 264KB 264KB [ 93.622295] kmalloc-32768 825KB 825KB [ 93.622300] kmalloc-16384 181KB 181KB [ 93.622304] kmalloc-8192 528KB 528KB [ 93.622309] kmalloc-4096 3961KB 3995KB [ 93.622314] kmalloc-2048 4150KB 4150KB [ 93.622319] kmalloc-1024 3622KB 3622KB [ 93.622324] kmalloc-512 2858KB 2872KB [ 93.622328] kmalloc-256 1801KB 2561KB [ 93.622333] kmalloc-128 446KB 543KB [ 93.622338] kmalloc-96 289KB 384KB [ 93.622343] kmalloc-64 707KB 732KB [ 93.622348] kmalloc-32 1911KB 2803KB [ 93.622352] kmalloc-192 204KB 268KB [ 93.622358] kmem_cache 102KB 108KB [ 93.622361] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 93.622380] [ 2098] 0 2098 5451 251 81920 0 -1000 udevd [ 93.622391] [ 3957] 0 3957 14298 172 118784 0 0 rsyslogd [ 93.622401] [ 4012] 0 4012 4725 51 86016 0 0 cron [ 93.622411] [ 4027] 0 4027 3736 45 69632 0 0 mcstransd [ 93.622421] [ 4058] 0 4058 12490 152 139264 0 -1000 sshd [ 93.622430] [ 4082] 0 4082 3694 41 77824 0 0 getty [ 93.622440] [ 4083] 0 4083 3694 40 77824 0 0 getty [ 93.622450] [ 4084] 0 4084 3694 41 73728 0 0 getty [ 93.622459] [ 4085] 0 4085 3694 42 77824 0 0 getty [ 93.622469] [ 4086] 0 4086 3694 39 77824 0 0 getty [ 93.622479] [ 4087] 0 4087 3694 39 73728 0 0 getty [ 93.622488] [ 4088] 0 4088 3649 37 77824 0 0 getty [ 93.622498] [ 4092] 0 4092 5681 455 77824 0 -1000 udevd [ 93.622508] [ 4093] 0 4093 5681 455 77824 0 -1000 udevd [ 93.622518] [ 4112] 0 4112 17821 197 188416 0 0 sshd [ 93.622528] [ 4114] 0 4114 238 1 28672 0 0 syzkaller045219 [ 93.622539] [ 4116] 0 4116 4333 0 28672 0 0 syzkaller045219 [ 93.622549] [ 4117] 0 4117 4333 0 28672 0 0 syzkaller045219 [ 93.622559] [ 4118] 0 4118 4333 0 28672 0 0 syzkaller045219 [ 93.622568] [ 4119] 0 4119 4333 0 28672 0 0 syzkaller045219 [ 93.622577] [ 4120] 0 4120 4333 520 32768 0 0 syzkaller045219 [ 93.622587] [ 4121] 0 4121 4333 520 32768 0 0 syzkaller045219 [ 93.622596] [ 4122] 0 4122 4333 520 32768 0 0 syzkaller045219 [ 93.622602] Out of memory: Kill process 4120 (syzkaller045219) score 0 or sacrifice child [ 93.622621] Killed process 4120 (syzkaller045219) total-vm:17332kB, anon-rss:2080kB, file-rss:0kB, shmem-rss:0kB [ 93.633219] syzkaller045219: vmalloc: allocation failure, allocated 883933184 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 93.633223] syzkaller045219 cpuset=/ mems_allowed=0 [ 93.633239] CPU: 1 PID: 4118 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 93.633243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.633246] Call Trace: [ 93.633260] dump_stack+0x194/0x257 [ 93.633274] ? arch_local_irq_restore+0x53/0x53 [ 93.633281] ? idr_get_free_cmn+0xfd0/0xfd0 [ 93.633307] warn_alloc+0x19a/0x2b0 [ 93.633321] ? zone_watermark_ok_safe+0x400/0x400 [ 93.633346] ? rcu_note_context_switch+0x710/0x710 [ 93.633374] __vmalloc_node_range+0x482/0x650 [ 93.633400] ? xt_alloc_table_info+0x64/0xe0 [ 93.633409] __vmalloc_node_flags_caller+0x50/0x60 [ 93.633418] ? xt_alloc_table_info+0x64/0xe0 [ 93.633431] kvmalloc_node+0x82/0xd0 [ 93.633444] xt_alloc_table_info+0x64/0xe0 [ 93.633457] do_ipt_set_ctl+0x29b/0x5f0 [ 93.633473] ? translate_compat_table+0x1b90/0x1b90 [ 93.633502] ? mutex_unlock+0xd/0x10 [ 93.633512] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 93.633528] nf_setsockopt+0x67/0xc0 [ 93.633546] ip_setsockopt+0xa1/0xb0 [ 93.633564] sctp_setsockopt+0x2b6/0x61d0 [ 93.633570] oom_reaper: reaped process 4120 (syzkaller045219), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 93.633580] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 93.633591] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 93.633604] ? lock_downgrade+0x980/0x980 [ 93.633613] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 93.633624] ? lock_release+0xa40/0xa40 [ 93.633633] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 93.633650] ? __lock_acquire+0x664/0x3e00 [ 93.633661] ? _cond_resched+0x14/0x30 [ 93.633670] ? clear_huge_page+0x309/0x730 [ 93.633699] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.633714] ? __thp_get_unmapped_area+0x130/0x130 [ 93.633722] ? __lock_acquire+0x664/0x3e00 [ 93.633733] ? check_noncircular+0x20/0x20 [ 93.633741] ? sock_map_fd+0x34/0x90 [ 93.633747] ? SyS_socket+0x125/0x1d0 [ 93.633755] ? do_fast_syscall_32+0x3ee/0xf9d [ 93.633761] ? entry_SYSENTER_compat+0x54/0x63 [ 93.633770] ? kmem_cache_alloc+0x12e/0x760 [ 93.633777] ? get_empty_filp+0xfb/0x4f0 [ 93.633783] ? alloc_file+0x26/0x390 [ 93.633811] ? find_held_lock+0x35/0x1d0 [ 93.633835] ? avc_has_perm+0x35e/0x680 [ 93.633846] ? lock_downgrade+0x980/0x980 [ 93.633861] ? lock_release+0xa40/0xa40 [ 93.633868] ? check_noncircular+0x20/0x20 [ 93.633876] ? lockdep_init_map+0x9/0x10 [ 93.633883] ? debug_mutex_init+0x2d/0x60 [ 93.633904] ? SyS_membarrier+0x600/0x600 [ 93.633922] ? avc_has_perm+0x43e/0x680 [ 93.633939] ? avc_has_perm_noaudit+0x520/0x520 [ 93.633950] ? __fget+0x333/0x570 [ 93.633961] ? lock_downgrade+0x980/0x980 [ 93.633976] ? lock_release+0xa40/0xa40 [ 93.633991] ? __lock_is_held+0xb6/0x140 [ 93.634031] ? sock_has_perm+0x2a4/0x420 [ 93.634046] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 93.634059] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 93.634071] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 93.634077] ? lock_downgrade+0x980/0x980 [ 93.634118] compat_sock_common_setsockopt+0x104/0x140 [ 93.634137] compat_SyS_setsockopt+0x17c/0x410 [ 93.634144] ? sock_common_setsockopt+0xd0/0xd0 [ 93.634165] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 93.634177] ? do_fast_syscall_32+0x156/0xf9d [ 93.634193] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 93.634204] do_fast_syscall_32+0x3ee/0xf9d [ 93.634225] ? do_int80_syscall_32+0x9d0/0x9d0 [ 93.634235] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 93.634255] ? syscall_return_slowpath+0x2ad/0x550 [ 93.634265] ? prepare_exit_to_usermode+0x340/0x340 [ 93.634275] ? retint_user+0x18/0x18 [ 93.634293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 93.634313] entry_SYSENTER_compat+0x54/0x63 [ 93.634319] RIP: 0023:0xf7f10c79 [ 93.634323] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 93.634331] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 93.634336] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 93.634340] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 93.634344] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 93.634348] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 93.634355] syzkaller045219 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 93.634360] syzkaller045219 cpuset=/ mems_allowed=0 [ 93.634381] CPU: 0 PID: 4122 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 93.634385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.634387] Call Trace: [ 93.634397] dump_stack+0x194/0x257 [ 93.634410] ? arch_local_irq_restore+0x53/0x53 [ 93.634411] Mem-Info: [ 93.634424] active_anon:3059 inactive_anon:63 isolated_anon:0 [ 93.634424] active_file:31 inactive_file:17 isolated_file:0 [ 93.634424] unevictable:0 dirty:0 writeback:0 unstable:0 [ 93.634424] slab_reclaimable:8205 slab_unreclaimable:79919 [ 93.634424] mapped:13 shmem:70 pagetables:297 bounce:0 [ 93.634424] free:16636 free_pcp:6 free_cma:0 [ 93.634429] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.634441] Node 0 active_anon:12236kB inactive_anon:252kB active_file:124kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 93.634444] Node 0 [ 93.634449] dump_header+0x28c/0xe1e [ 93.634462] 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 [ 93.634467] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.634468] lowmem_reserve[]: 0 2868 6378 6378 [ 93.634482] ? pagefault_out_of_memory+0x152/0x152 [ 93.634485] Node 0 DMA32 free:29928kB min:30316kB low:37892kB high:45468kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:72kB 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 [ 93.634503] ? check_noncircular+0x20/0x20 [ 93.634504] lowmem_reserve[]: 0 0 3510 [ 93.634515] ? __lock_acquire+0x664/0x3e00 [ 93.634517] 3510 [ 93.634521] Node 0 Normal free:20708kB min:37100kB low:46372kB high:55644kB active_anon:12236kB inactive_anon:252kB active_file:132kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3040kB pagetables:1188kB bounce:0kB free_pcp:24kB local_pcp:0kB free_cma:0kB [ 93.634541] ? check_noncircular+0x20/0x20 [ 93.634542] lowmem_reserve[]: 0 [ 93.634549] ? find_held_lock+0x35/0x1d0 [ 93.634550] 0 0 0 [ 93.634559] Node 0 DMA: 1*4kB [ 93.634571] ? task_will_free_mem+0x252/0xaa0 [ 93.634572] (U) 0*8kB 0*16kB 1*32kB (U) [ 93.634588] ? print_irqtrace_events+0x270/0x270 [ 93.634589] 2*64kB (U) 1*128kB (U) 1*256kB (U) [ 93.634607] ? ___ratelimit+0x30d/0x630 [ 93.634609] 0*512kB 1*1024kB [ 93.634617] ? lock_downgrade+0x980/0x980 [ 93.634618] (U) 1*2048kB (M) 3*4096kB (M) [ 93.634632] ? lock_release+0xa40/0xa40 [ 93.634634] = 15908kB [ 93.634636] Node 0 DMA32: 2*4kB (M) [ 93.634654] ? mark_held_locks+0xaf/0x100 [ 93.634655] 3*8kB (UME) 6*16kB [ 93.634665] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 93.634666] (UME) 4*32kB (UME) [ 93.634677] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 93.634678] 3*64kB (UME) 4*128kB [ 93.634688] ? trace_hardirqs_on+0xd/0x10 [ 93.634689] (ME) 4*256kB (UME) 3*512kB [ 93.634701] ? ___ratelimit+0x95/0x630 [ 93.634702] (ME) 6*1024kB (UME) [ 93.634711] ? idr_get_free_cmn+0xfd0/0xfd0 [ 93.634713] 2*2048kB (ME) [ 93.634721] ? find_held_lock+0x138/0x1d0 [ 93.634722] 4*4096kB (M) = 30144kB [ 93.634730] Node 0 Normal: 266*4kB [ 93.634741] oom_kill_process+0x8b9/0x1550 [ 93.634743] (UME) 202*8kB (ME) 150*16kB [ 93.634757] ? has_ns_capability_noaudit+0x163/0x2a0 [ 93.634758] (ME) 98*32kB (UME) [ 93.634767] ? lock_downgrade+0x980/0x980 [ 93.634769] 43*64kB (UM) 33*128kB (M) 13*256kB [ 93.634784] ? oom_evaluate_task+0x480/0x480 [ 93.634785] (UM) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 20568kB [ 93.634807] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 93.634812] ? security_capable_noaudit+0x8b/0xc0 [ 93.634813] 118 total pagecache pages [ 93.634822] 0 pages in swap cache [ 93.634826] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 93.634829] Swap cache stats: add 0, delete 0, find 0/0 [ 93.634832] Free swap = 0kB [ 93.634836] ? has_capability+0x30/0x30 [ 93.634837] Total swap = 0kB [ 93.634842] ? do_raw_spin_trylock+0x190/0x190 [ 93.634843] 1965969 pages RAM [ 93.634846] 0 pages HighMem/MovableOnly [ 93.634849] 328417 pages reserved [ 93.634862] ? check_noncircular+0x20/0x20 [ 93.634871] ? has_capability_noaudit+0x24/0x30 [ 93.634880] ? oom_badness+0xd1/0x980 [ 93.634885] ? lock_release+0xa40/0xa40 [ 93.634891] ? do_try_to_free_pages+0xc53/0x1020 [ 93.634900] ? find_lock_task_mm+0x460/0x460 [ 93.634911] ? find_held_lock+0x35/0x1d0 [ 93.634925] ? out_of_memory+0xb3a/0x1220 [ 93.634933] ? lock_downgrade+0x980/0x980 [ 93.634942] ? lock_release+0xa40/0xa40 [ 93.634947] ? lock_acquire+0x1d5/0x580 [ 93.634953] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 93.634968] ? oom_evaluate_task+0x284/0x480 [ 93.634979] out_of_memory+0x86d/0x1220 [ 93.634995] ? oom_killer_disable+0x310/0x310 [ 93.634999] ? mutex_trylock+0x23a/0x2d0 [ 93.635013] ? __lock_is_held+0xb6/0x140 [ 93.635023] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 93.635048] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 93.635084] ? warn_alloc+0x2b0/0x2b0 [ 93.635105] ? _raw_spin_unlock_irq+0x27/0x70 [ 93.635116] ? check_noncircular+0x20/0x20 [ 93.635126] ? __enqueue_entity+0x109/0x1e0 [ 93.635146] ? print_irqtrace_events+0x270/0x270 [ 93.635156] ? check_noncircular+0x20/0x20 [ 93.635165] ? finish_task_switch+0x1d3/0x740 [ 93.635185] ? __lock_is_held+0xb6/0x140 [ 93.635206] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 93.635212] ? finish_task_switch+0x1f6/0x740 [ 93.635226] ? __might_sleep+0x95/0x190 [ 93.635237] __alloc_pages_nodemask+0x9fb/0xd80 [ 93.635250] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 93.635259] ? __sched_text_start+0x8/0x8 [ 93.635264] ? retint_kernel+0x10/0x10 [ 93.635273] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 93.635280] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 93.635291] ? __lock_is_held+0xb6/0x140 [ 93.635320] alloc_pages_current+0xb6/0x1e0 [ 93.635331] __vmalloc_node_range+0x409/0x650 [ 93.635348] ? xt_alloc_table_info+0x64/0xe0 [ 93.635355] __vmalloc_node_flags_caller+0x50/0x60 [ 93.635362] ? xt_alloc_table_info+0x64/0xe0 [ 93.635370] kvmalloc_node+0x82/0xd0 [ 93.635379] xt_alloc_table_info+0x64/0xe0 [ 93.635388] do_ipt_set_ctl+0x29b/0x5f0 [ 93.635398] ? translate_compat_table+0x1b90/0x1b90 [ 93.635418] ? mutex_unlock+0xd/0x10 [ 93.635424] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 93.635434] nf_setsockopt+0x67/0xc0 [ 93.635444] ip_setsockopt+0xa1/0xb0 [ 93.635455] sctp_setsockopt+0x2b6/0x61d0 [ 93.635466] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 93.635473] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 93.635480] ? lock_downgrade+0x980/0x980 [ 93.635486] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 93.635493] ? lock_release+0xa40/0xa40 [ 93.635499] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 93.635510] ? __lock_acquire+0x664/0x3e00 [ 93.635517] ? _cond_resched+0x14/0x30 [ 93.635523] ? clear_huge_page+0x309/0x730 [ 93.635541] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.635551] ? __thp_get_unmapped_area+0x130/0x130 [ 93.635557] ? __lock_acquire+0x664/0x3e00 [ 93.635564] ? check_noncircular+0x20/0x20 [ 93.635569] ? sock_map_fd+0x34/0x90 [ 93.635572] ? SyS_socket+0x125/0x1d0 [ 93.635577] ? do_fast_syscall_32+0x3ee/0xf9d [ 93.635581] ? entry_SYSENTER_compat+0x54/0x63 [ 93.635586] ? kmem_cache_alloc+0x12e/0x760 [ 93.635591] ? get_empty_filp+0xfb/0x4f0 [ 93.635595] ? alloc_file+0x26/0x390 [ 93.635613] ? find_held_lock+0x35/0x1d0 [ 93.635627] ? avc_has_perm+0x35e/0x680 [ 93.635634] ? lock_downgrade+0x980/0x980 [ 93.635644] ? lock_release+0xa40/0xa40 [ 93.635649] ? check_noncircular+0x20/0x20 [ 93.635658] ? lockdep_init_map+0x9/0x10 [ 93.635663] ? debug_mutex_init+0x2d/0x60 [ 93.635676] ? SyS_membarrier+0x600/0x600 [ 93.635688] ? avc_has_perm+0x43e/0x680 [ 93.635699] ? avc_has_perm_noaudit+0x520/0x520 [ 93.635705] ? __fget+0x333/0x570 [ 93.635713] ? lock_downgrade+0x980/0x980 [ 93.635722] ? lock_release+0xa40/0xa40 [ 93.635732] ? __lock_is_held+0xb6/0x140 [ 93.635755] ? sock_has_perm+0x2a4/0x420 [ 93.635765] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 93.635773] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 93.635781] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 93.635785] ? lock_downgrade+0x980/0x980 [ 93.635811] compat_sock_common_setsockopt+0x104/0x140 [ 93.635823] compat_SyS_setsockopt+0x17c/0x410 [ 93.635827] ? sock_common_setsockopt+0xd0/0xd0 [ 93.635837] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 93.635845] ? do_fast_syscall_32+0x156/0xf9d [ 93.635855] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 93.635862] do_fast_syscall_32+0x3ee/0xf9d [ 93.635875] ? do_int80_syscall_32+0x9d0/0x9d0 [ 93.635882] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 93.635894] ? syscall_return_slowpath+0x2ad/0x550 [ 93.635901] ? prepare_exit_to_usermode+0x340/0x340 [ 93.635908] ? retint_user+0x18/0x18 [ 93.635920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 93.635933] entry_SYSENTER_compat+0x54/0x63 [ 93.635937] RIP: 0023:0xf7f10c79 [ 93.635940] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 93.635945] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 93.635948] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 93.635951] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 93.635954] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 93.635957] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 93.636031] Mem-Info: [ 93.636046] active_anon:3059 inactive_anon:63 isolated_anon:0 [ 93.636046] active_file:31 inactive_file:17 isolated_file:0 [ 93.636046] unevictable:0 dirty:0 writeback:0 unstable:0 [ 93.636046] slab_reclaimable:8205 slab_unreclaimable:79919 [ 93.636046] mapped:13 shmem:70 pagetables:297 bounce:0 [ 93.636046] free:16636 free_pcp:6 free_cma:0 [ 93.636058] Node 0 active_anon:12236kB inactive_anon:252kB active_file:124kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 93.636061] 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 [ 93.636077] lowmem_reserve[]: 0 2868 6378 6378 [ 93.636089] Node 0 DMA32 free:29928kB min:30316kB low:37892kB high:45468kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:72kB 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 [ 93.636104] lowmem_reserve[]: 0 0 3510 3510 [ 93.636118] Node 0 Normal free:20708kB min:37100kB low:46372kB high:55644kB active_anon:12236kB inactive_anon:252kB active_file:132kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3040kB pagetables:1188kB bounce:0kB free_pcp:24kB local_pcp:24kB free_cma:0kB [ 93.636136] lowmem_reserve[]: 0 0 0 0 [ 93.636149] 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 [ 93.636210] Node 0 DMA32: 2*4kB (M) 3*8kB (UME) 6*16kB (UME) 4*32kB (UME) 3*64kB (UME) 4*128kB (ME) 4*256kB (UME) 3*512kB (ME) 6*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 30144kB [ 93.636278] Node 0 Normal: 266*4kB (UME) 202*8kB (ME) 150*16kB (ME) 98*32kB (UME) 43*64kB (UM) 33*128kB (M) 13*256kB (UM) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 20568kB [ 93.636342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 93.636345] 118 total pagecache pages [ 93.636354] 0 pages in swap cache [ 93.636359] Swap cache stats: add 0, delete 0, find 0/0 [ 93.636362] Free swap = 0kB [ 93.636364] Total swap = 0kB [ 93.636367] 1965969 pages RAM [ 93.636370] 0 pages HighMem/MovableOnly [ 93.636373] 328417 pages reserved [ 93.636377] Unreclaimable slab info: [ 93.636380] Name Used Total [ 93.636387] hashtab_node 118KB 119KB [ 93.636393] ebitmap_node 387KB 389KB [ 93.636399] avtab_node 1012KB 1013KB [ 93.636411] TIPC 1KB 7KB [ 93.636421] SCTPv6 2KB 4KB [ 93.636426] SCTP 14KB 14KB [ 93.636435] DCCPv6 2KB 7KB [ 93.636442] DCCP 2KB 6KB [ 93.636464] fib6_nodes 0KB 4KB [ 93.636470] ip6_dst_cache 6KB 11KB [ 93.636476] RAWv6 9KB 19KB [ 93.636482] UDPv6 12KB 14KB [ 93.636489] TCPv6 2KB 5KB [ 93.636508] sd_ext_cdb 0KB 3KB [ 93.636514] scsi_sense_cache 80KB 100KB [ 93.636519] virtio_scsi_cmd 16KB 16KB [ 93.636528] sgpool-128 8KB 8KB [ 93.636533] sgpool-64 4KB 6KB [ 93.636538] sgpool-32 70KB 70KB [ 93.636544] sgpool-16 30KB 30KB [ 93.636549] sgpool-8 157KB 157KB [ 93.636556] cfq_io_cq 15KB 15KB [ 93.636561] cfq_queue 27KB 27KB [ 93.636567] mqueue_inode_cache 1KB 7KB [ 93.636574] nfs_commit_data 3KB 7KB [ 93.636579] nfs_write_data 34KB 37KB [ 93.636586] jbd2_inode 1KB 3KB [ 93.636593] ext4_system_zone 0KB 3KB [ 93.636606] bio-1 1KB 3KB [ 93.636618] rpc_buffers 17KB 19KB [ 93.636623] rpc_tasks 2KB 3KB [ 93.636629] UNIX 780KB 780KB [ 93.636637] tcp_bind_bucket 0KB 4KB [ 93.636645] ip_fib_trie 0KB 3KB [ 93.636655] ip_fib_alias 0KB 3KB [ 93.636660] ip_dst_cache 3KB 8KB [ 93.636667] RAW 5KB 7KB [ 93.636673] UDP 29KB 31KB [ 93.636679] TCP 7KB 7KB [ 93.636685] hugetlbfs_inode_cache 1KB 7KB [ 93.636692] eventpoll_pwq 44KB 51KB [ 93.636697] eventpoll_epi 81KB 90KB [ 93.636703] inotify_inode_mark 3KB 11KB [ 93.636709] request_queue 31KB 39KB [ 93.636715] blkdev_ioc 23KB 23KB [ 93.636721] bio-0 281KB 281KB [ 93.636726] biovec-(1<<(21-12)) 462KB 462KB [ 93.636733] biovec-64 118KB 118KB [ 93.636738] biovec-16 15KB 15KB [ 93.636743] bio_integrity_payload 0KB 4KB [ 93.636749] khugepaged_mm_slot 0KB 3KB [ 93.636759] uid_cache 1KB 3KB [ 93.636764] dmaengine-unmap-2 0KB 3KB [ 93.636770] audit_buffer 0KB 3KB [ 93.636775] skbuff_fclone_cache 143KB 146KB [ 93.636780] skbuff_head_cache 1830KB 1833KB [ 93.636788] configfs_dir_cache 0KB 4KB [ 93.636792] file_lock_cache 163KB 166KB [ 93.636796] file_lock_ctx 1KB 3KB [ 93.636800] fsnotify_mark_connector 2KB 7KB [ 93.636805] shmem_inode_cache 1054KB 1054KB [ 93.636810] task_delay_info 341KB 347KB [ 93.636815] sigqueue 386KB 393KB [ 93.636821] kernfs_node_cache 3139KB 3142KB [ 93.636826] mnt_cache 15KB 16KB [ 93.636831] filp 7863KB 9442KB [ 93.636836] names_cache 103933KB 103963KB [ 93.636843] avc_node 38KB 43KB [ 93.636848] selinux_file_security 391KB 608KB [ 93.636853] selinux_inode_security 2198KB 2208KB [ 93.636857] key_jar 3KB 7KB [ 93.636862] nsproxy 0KB 3KB [ 93.636867] vm_area_struct 20660KB 20801KB [ 93.636872] mm_struct 4684KB 4742KB [ 93.636877] fs_cache 455KB 464KB [ 93.636881] files_cache 1708KB 1728KB [ 93.636886] signal_cache 2728KB 2752KB [ 93.636891] sighand_cache 219KB 277KB [ 93.636896] task_struct 11576KB 11619KB [ 93.636900] cred_jar 2353KB 2372KB [ 93.636905] anon_vma_chain 9033KB 9095KB [ 93.636910] anon_vma 148KB 342KB [ 93.636914] pid 236KB 244KB [ 93.636919] Acpi-Operand 312KB 788KB [ 93.636927] Acpi-Namespace 102KB 104KB [ 93.636932] numa_policy 0KB 3KB [ 93.636937] debug_objects_cache 799KB 799KB [ 93.636942] trace_event_file 149KB 151KB [ 93.636947] ftrace_event_field 261KB 263KB [ 93.636952] pool_workqueue 24KB 28KB [ 93.636957] page->ptl 3277KB 3292KB [ 93.636980] kmalloc-262144 1032KB 1032KB [ 93.636984] kmalloc-131072 650KB 650KB [ 93.636989] kmalloc-65536 264KB 264KB [ 93.636994] kmalloc-32768 825KB 825KB [ 93.636998] kmalloc-16384 181KB 181KB [ 93.637027] kmalloc-8192 528KB 528KB [ 93.637032] kmalloc-4096 3961KB 3995KB [ 93.637036] kmalloc-2048 4150KB 4150KB [ 93.637041] kmalloc-1024 3622KB 3622KB [ 93.637046] kmalloc-512 2858KB 2872KB [ 93.637051] kmalloc-256 1801KB 2561KB [ 93.637056] kmalloc-128 446KB 543KB [ 93.637060] kmalloc-96 289KB 384KB [ 93.637065] kmalloc-64 707KB 732KB [ 93.637070] kmalloc-32 1911KB 2803KB [ 93.637074] kmalloc-192 204KB 268KB [ 93.637079] kmem_cache 102KB 108KB [ 93.637083] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 93.637100] [ 2098] 0 2098 5451 251 81920 0 -1000 udevd [ 93.637110] [ 3957] 0 3957 14298 172 118784 0 0 rsyslogd [ 93.637120] [ 4012] 0 4012 4725 51 86016 0 0 cron [ 93.637130] [ 4027] 0 4027 3736 45 69632 0 0 mcstransd [ 93.637140] [ 4058] 0 4058 12490 152 139264 0 -1000 sshd [ 93.637149] [ 4082] 0 4082 3694 41 77824 0 0 getty [ 93.637158] [ 4083] 0 4083 3694 40 77824 0 0 getty [ 93.637168] [ 4084] 0 4084 3694 41 73728 0 0 getty [ 93.637177] [ 4085] 0 4085 3694 42 77824 0 0 getty [ 93.637187] [ 4086] 0 4086 3694 39 77824 0 0 getty [ 93.637196] [ 4087] 0 4087 3694 39 73728 0 0 getty [ 93.637206] [ 4088] 0 4088 3649 37 77824 0 0 getty [ 93.637216] [ 4092] 0 4092 5681 455 77824 0 -1000 udevd [ 93.637225] [ 4093] 0 4093 5681 455 77824 0 -1000 udevd [ 93.637235] [ 4112] 0 4112 17821 197 188416 0 0 sshd [ 93.637245] [ 4114] 0 4114 238 1 28672 0 0 syzkaller045219 [ 93.637256] [ 4116] 0 4116 4333 0 28672 0 0 syzkaller045219 [ 93.637265] [ 4117] 0 4117 4333 0 28672 0 0 syzkaller045219 [ 93.637274] [ 4118] 0 4118 4333 0 28672 0 0 syzkaller045219 [ 93.637284] [ 4119] 0 4119 4333 0 28672 0 0 syzkaller045219 [ 93.637293] [ 4120] 0 4120 4333 0 28672 0 0 syzkaller045219 [ 93.637302] [ 4121] 0 4121 4333 520 32768 0 0 syzkaller045219 [ 93.637311] [ 4122] 0 4122 4333 520 32768 0 0 syzkaller045219 [ 93.637317] Out of memory: Kill process 4121 (syzkaller045219) score 0 or sacrifice child [ 93.637335] Killed process 4121 (syzkaller045219) total-vm:17332kB, anon-rss:2080kB, file-rss:0kB, shmem-rss:0kB [ 93.638532] syzkaller045219: vmalloc: allocation failure, allocated 790491136 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 93.638535] syzkaller045219 cpuset=/ mems_allowed=0 [ 93.638549] CPU: 0 PID: 4117 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 93.638553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.638555] Call Trace: [ 93.638567] dump_stack+0x194/0x257 [ 93.638580] ? arch_local_irq_restore+0x53/0x53 [ 93.638586] ? idr_get_free_cmn+0xfd0/0xfd0 [ 93.638610] warn_alloc+0x19a/0x2b0 [ 93.638623] ? zone_watermark_ok_safe+0x400/0x400 [ 93.638671] __vmalloc_node_range+0x482/0x650 [ 93.638693] ? xt_alloc_table_info+0x64/0xe0 [ 93.638702] __vmalloc_node_flags_caller+0x50/0x60 [ 93.638711] ? xt_alloc_table_info+0x64/0xe0 [ 93.638723] kvmalloc_node+0x82/0xd0 [ 93.638735] xt_alloc_table_info+0x64/0xe0 [ 93.638747] do_ipt_set_ctl+0x29b/0x5f0 [ 93.638761] ? translate_compat_table+0x1b90/0x1b90 [ 93.638788] ? mutex_unlock+0xd/0x10 [ 93.638797] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 93.638811] nf_setsockopt+0x67/0xc0 [ 93.638825] ip_setsockopt+0xa1/0xb0 [ 93.638839] sctp_setsockopt+0x2b6/0x61d0 [ 93.638854] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 93.638864] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 93.638874] ? lock_downgrade+0x980/0x980 [ 93.638882] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 93.638892] ? lock_release+0xa40/0xa40 [ 93.638900] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 93.638915] ? __lock_acquire+0x664/0x3e00 [ 93.638926] ? _cond_resched+0x14/0x30 [ 93.638934] ? clear_huge_page+0x309/0x730 [ 93.638959] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.638972] ? __thp_get_unmapped_area+0x130/0x130 [ 93.638979] ? __lock_acquire+0x664/0x3e00 [ 93.638989] ? check_noncircular+0x20/0x20 [ 93.638996] ? sock_map_fd+0x34/0x90 [ 93.639004] ? SyS_socket+0x125/0x1d0 [ 93.639011] ? do_fast_syscall_32+0x3ee/0xf9d [ 93.639017] ? entry_SYSENTER_compat+0x54/0x63 [ 93.639025] ? kmem_cache_alloc+0x12e/0x760 [ 93.639030] ? get_empty_filp+0xfb/0x4f0 [ 93.639035] ? alloc_file+0x26/0x390 [ 93.639060] ? find_held_lock+0x35/0x1d0 [ 93.639080] ? avc_has_perm+0x35e/0x680 [ 93.639090] ? lock_downgrade+0x980/0x980 [ 93.639103] ? lock_release+0xa40/0xa40 [ 93.639109] ? check_noncircular+0x20/0x20 [ 93.639117] ? lockdep_init_map+0x9/0x10 [ 93.639124] ? debug_mutex_init+0x2d/0x60 [ 93.639142] ? SyS_membarrier+0x600/0x600 [ 93.639158] ? avc_has_perm+0x43e/0x680 [ 93.639173] ? avc_has_perm_noaudit+0x520/0x520 [ 93.639183] ? __fget+0x333/0x570 [ 93.639193] ? lock_downgrade+0x980/0x980 [ 93.639206] ? lock_release+0xa40/0xa40 [ 93.639219] ? __lock_is_held+0xb6/0x140 [ 93.639252] ? sock_has_perm+0x2a4/0x420 [ 93.639265] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 93.639276] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 93.639287] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 93.639293] ? lock_downgrade+0x980/0x980 [ 93.639329] compat_sock_common_setsockopt+0x104/0x140 [ 93.639345] compat_SyS_setsockopt+0x17c/0x410 [ 93.639351] ? sock_common_setsockopt+0xd0/0xd0 [ 93.639363] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 93.639376] ? do_fast_syscall_32+0x156/0xf9d [ 93.639390] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 93.639401] do_fast_syscall_32+0x3ee/0xf9d [ 93.639421] ? do_int80_syscall_32+0x9d0/0x9d0 [ 93.639430] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 93.639449] ? syscall_return_slowpath+0x2ad/0x550 [ 93.639458] ? prepare_exit_to_usermode+0x340/0x340 [ 93.639468] ? retint_user+0x18/0x18 [ 93.639486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 93.639506] entry_SYSENTER_compat+0x54/0x63 [ 93.639512] RIP: 0023:0xf7f10c79 [ 93.639516] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 93.639524] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 93.639529] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 93.639533] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 93.639537] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 93.639541] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 93.643948] syzkaller045219: vmalloc: allocation failure, allocated 1008709632 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 93.643952] syzkaller045219 cpuset=/ mems_allowed=0 [ 93.643966] CPU: 0 PID: 4119 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 93.643970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.643972] Call Trace: [ 93.643983] dump_stack+0x194/0x257 [ 93.643997] ? arch_local_irq_restore+0x53/0x53 [ 93.644007] ? idr_get_free_cmn+0xfd0/0xfd0 [ 93.644033] warn_alloc+0x19a/0x2b0 [ 93.644046] ? zone_watermark_ok_safe+0x400/0x400 [ 93.644093] __vmalloc_node_range+0x482/0x650 [ 93.644116] ? xt_alloc_table_info+0x64/0xe0 [ 93.644125] __vmalloc_node_flags_caller+0x50/0x60 [ 93.644135] ? xt_alloc_table_info+0x64/0xe0 [ 93.644147] kvmalloc_node+0x82/0xd0 [ 93.644160] xt_alloc_table_info+0x64/0xe0 [ 93.644172] do_ipt_set_ctl+0x29b/0x5f0 [ 93.644187] ? translate_compat_table+0x1b90/0x1b90 [ 93.644216] ? mutex_unlock+0xd/0x10 [ 93.644225] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 93.644240] nf_setsockopt+0x67/0xc0 [ 93.644255] ip_setsockopt+0xa1/0xb0 [ 93.644271] sctp_setsockopt+0x2b6/0x61d0 [ 93.644287] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 93.644297] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 93.644308] ? lock_downgrade+0x980/0x980 [ 93.644318] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 93.644328] ? lock_release+0xa40/0xa40 [ 93.644337] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 93.644352] ? __lock_acquire+0x664/0x3e00 [ 93.644364] ? _cond_resched+0x14/0x30 [ 93.644372] ? clear_huge_page+0x309/0x730 [ 93.644399] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 93.644413] ? __thp_get_unmapped_area+0x130/0x130 [ 93.644421] ? __lock_acquire+0x664/0x3e00 [ 93.644431] ? check_noncircular+0x20/0x20 [ 93.644438] ? sock_map_fd+0x34/0x90 [ 93.644444] ? SyS_socket+0x125/0x1d0 [ 93.644451] ? do_fast_syscall_32+0x3ee/0xf9d [ 93.644457] ? entry_SYSENTER_compat+0x54/0x63 [ 93.644465] ? kmem_cache_alloc+0x12e/0x760 [ 93.644472] ? get_empty_filp+0xfb/0x4f0 [ 93.644477] ? alloc_file+0x26/0x390 [ 93.644503] ? find_held_lock+0x35/0x1d0 [ 93.644525] ? avc_has_perm+0x35e/0x680 [ 93.644535] ? lock_downgrade+0x980/0x980 [ 93.644549] ? lock_release+0xa40/0xa40 [ 93.644556] ? check_noncircular+0x20/0x20 [ 93.644563] ? lockdep_init_map+0x9/0x10 [ 93.644570] ? debug_mutex_init+0x2d/0x60 [ 93.644590] ? SyS_membarrier+0x600/0x600 [ 93.644607] ? avc_has_perm+0x43e/0x680 [ 93.644623] ? avc_has_perm_noaudit+0x520/0x520 [ 93.644633] ? __fget+0x333/0x570 [ 93.644644] ? lock_downgrade+0x980/0x980 [ 93.644663] ? lock_release+0xa40/0xa40 [ 93.644677] ? __lock_is_held+0xb6/0x140 [ 93.644711] ? sock_has_perm+0x2a4/0x420 [ 93.644725] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 93.644738] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 93.644749] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 93.644755] ? lock_downgrade+0x980/0x980 [ 93.644794] compat_sock_common_setsockopt+0x104/0x140 [ 93.644811] compat_SyS_setsockopt+0x17c/0x410 [ 93.644817] ? sock_common_setsockopt+0xd0/0xd0 [ 93.644831] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 93.644843] ? do_fast_syscall_32+0x156/0xf9d [ 93.644858] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 93.644868] do_fast_syscall_32+0x3ee/0xf9d [ 93.644888] ? do_int80_syscall_32+0x9d0/0x9d0 [ 93.644897] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 93.644915] ? syscall_return_slowpath+0x2ad/0x550 [ 93.644925] ? prepare_exit_to_usermode+0x340/0x340 [ 93.644935] ? retint_user+0x18/0x18 [ 93.644952] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 93.644972] entry_SYSENTER_compat+0x54/0x63 [ 93.644977] RIP: 0023:0xf7f10c79 [ 93.644981] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 93.644988] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 93.644992] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 93.644997] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 93.645000] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 93.645004] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 94.783587] oom_reaper: reaped process 4121 (syzkaller045219), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 96.310353] syzkaller045219 (4119) used greatest stack depth: 14488 bytes left [ 96.413697] syzkaller045219 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 96.413703] syzkaller045219 cpuset=/ mems_allowed=0 [ 96.413721] CPU: 1 PID: 4122 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 96.413724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.413727] Call Trace: [ 96.413742] dump_stack+0x194/0x257 [ 96.413756] ? arch_local_irq_restore+0x53/0x53 [ 96.413770] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 96.413790] dump_header+0x28c/0xe1e [ 96.413808] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 96.413822] ? pagefault_out_of_memory+0x152/0x152 [ 96.413839] ? check_noncircular+0x20/0x20 [ 96.413851] ? __lock_acquire+0x664/0x3e00 [ 96.413874] ? check_noncircular+0x20/0x20 [ 96.413885] ? find_held_lock+0x35/0x1d0 [ 96.413908] ? task_will_free_mem+0x252/0xaa0 [ 96.413923] ? print_irqtrace_events+0x270/0x270 [ 96.413941] ? ___ratelimit+0x30d/0x630 [ 96.413951] ? lock_downgrade+0x980/0x980 [ 96.413966] ? lock_release+0xa40/0xa40 [ 96.413982] ? mark_held_locks+0xaf/0x100 [ 96.413994] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 96.414009] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 96.414019] ? trace_hardirqs_on+0xd/0x10 [ 96.414030] ? ___ratelimit+0x95/0x630 [ 96.414041] ? idr_get_free_cmn+0xfd0/0xfd0 [ 96.414061] ? find_held_lock+0x138/0x1d0 [ 96.414081] oom_kill_process+0x8b9/0x1550 [ 96.414096] ? has_ns_capability_noaudit+0x163/0x2a0 [ 96.414106] ? lock_downgrade+0x980/0x980 [ 96.414122] ? oom_evaluate_task+0x480/0x480 [ 96.414146] ? security_capable_noaudit+0x8b/0xc0 [ 96.414160] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 96.414170] ? has_capability+0x30/0x30 [ 96.414176] ? do_raw_spin_trylock+0x190/0x190 [ 96.414195] ? check_noncircular+0x20/0x20 [ 96.414203] ? has_capability_noaudit+0x24/0x30 [ 96.414213] ? oom_badness+0xd1/0x980 [ 96.414219] ? lock_release+0xa40/0xa40 [ 96.414226] ? do_try_to_free_pages+0xc53/0x1020 [ 96.414238] ? find_lock_task_mm+0x460/0x460 [ 96.414254] ? find_held_lock+0x35/0x1d0 [ 96.414274] ? out_of_memory+0xb3a/0x1220 [ 96.414284] ? lock_downgrade+0x980/0x980 [ 96.414297] ? lock_release+0xa40/0xa40 [ 96.414303] ? lock_acquire+0x1d5/0x580 [ 96.414313] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 96.414332] ? oom_evaluate_task+0x284/0x480 [ 96.414348] out_of_memory+0x86d/0x1220 [ 96.414369] ? oom_killer_disable+0x310/0x310 [ 96.414375] ? mutex_trylock+0x23a/0x2d0 [ 96.414385] ? __lock_is_held+0xb6/0x140 [ 96.414394] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 96.414419] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 96.414469] ? warn_alloc+0x2b0/0x2b0 [ 96.414498] ? _raw_spin_unlock_irq+0x27/0x70 [ 96.414514] ? check_noncircular+0x20/0x20 [ 96.414526] ? __enqueue_entity+0x109/0x1e0 [ 96.414554] ? print_irqtrace_events+0x270/0x270 [ 96.414565] ? check_noncircular+0x20/0x20 [ 96.414577] ? finish_task_switch+0x1d3/0x740 [ 96.414628] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 96.414652] ? __might_sleep+0x95/0x190 [ 96.414667] __alloc_pages_nodemask+0x9fb/0xd80 [ 96.414685] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 96.414697] ? __sched_text_start+0x8/0x8 [ 96.414704] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 96.414719] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 96.414730] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.414743] ? __lock_is_held+0xb6/0x140 [ 96.414770] ? rcu_note_context_switch+0x710/0x710 [ 96.414788] alloc_pages_current+0xb6/0x1e0 [ 96.414803] __vmalloc_node_range+0x409/0x650 [ 96.414825] ? xt_alloc_table_info+0x64/0xe0 [ 96.414835] __vmalloc_node_flags_caller+0x50/0x60 [ 96.414844] ? xt_alloc_table_info+0x64/0xe0 [ 96.414856] kvmalloc_node+0x82/0xd0 [ 96.414869] xt_alloc_table_info+0x64/0xe0 [ 96.414881] do_ipt_set_ctl+0x29b/0x5f0 [ 96.414896] ? translate_compat_table+0x1b90/0x1b90 [ 96.414922] ? mutex_unlock+0xd/0x10 [ 96.414930] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 96.414945] nf_setsockopt+0x67/0xc0 [ 96.414960] ip_setsockopt+0xa1/0xb0 [ 96.414974] sctp_setsockopt+0x2b6/0x61d0 [ 96.414990] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 96.414999] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 96.415009] ? lock_downgrade+0x980/0x980 [ 96.415018] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 96.415028] ? lock_release+0xa40/0xa40 [ 96.415036] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 96.415055] ? __lock_acquire+0x664/0x3e00 [ 96.415066] ? _cond_resched+0x14/0x30 [ 96.415075] ? clear_huge_page+0x309/0x730 [ 96.415099] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 96.415113] ? __thp_get_unmapped_area+0x130/0x130 [ 96.415120] ? __lock_acquire+0x664/0x3e00 [ 96.415130] ? check_noncircular+0x20/0x20 [ 96.415137] ? sock_map_fd+0x34/0x90 [ 96.415142] ? SyS_socket+0x125/0x1d0 [ 96.415148] ? do_fast_syscall_32+0x3ee/0xf9d [ 96.415154] ? entry_SYSENTER_compat+0x54/0x63 [ 96.415162] ? kmem_cache_alloc+0x12e/0x760 [ 96.415168] ? get_empty_filp+0xfb/0x4f0 [ 96.415173] ? alloc_file+0x26/0x390 [ 96.415198] ? find_held_lock+0x35/0x1d0 [ 96.415218] ? avc_has_perm+0x35e/0x680 [ 96.415228] ? lock_downgrade+0x980/0x980 [ 96.415241] ? lock_release+0xa40/0xa40 [ 96.415248] ? check_noncircular+0x20/0x20 [ 96.415255] ? lockdep_init_map+0x9/0x10 [ 96.415262] ? debug_mutex_init+0x2d/0x60 [ 96.415280] ? SyS_membarrier+0x600/0x600 [ 96.415296] ? avc_has_perm+0x43e/0x680 [ 96.415311] ? avc_has_perm_noaudit+0x520/0x520 [ 96.415321] ? __fget+0x333/0x570 [ 96.415331] ? lock_downgrade+0x980/0x980 [ 96.415344] ? lock_release+0xa40/0xa40 [ 96.415358] ? __lock_is_held+0xb6/0x140 [ 96.415390] ? sock_has_perm+0x2a4/0x420 [ 96.415404] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 96.415415] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 96.415426] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 96.415432] ? lock_downgrade+0x980/0x980 [ 96.415468] compat_sock_common_setsockopt+0x104/0x140 [ 96.415484] compat_SyS_setsockopt+0x17c/0x410 [ 96.415490] ? sock_common_setsockopt+0xd0/0xd0 [ 96.415504] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 96.415515] ? do_fast_syscall_32+0x156/0xf9d [ 96.415529] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 96.415539] do_fast_syscall_32+0x3ee/0xf9d [ 96.415558] ? do_int80_syscall_32+0x9d0/0x9d0 [ 96.415566] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.415584] ? syscall_return_slowpath+0x2ad/0x550 [ 96.415593] ? prepare_exit_to_usermode+0x340/0x340 [ 96.415603] ? retint_user+0x18/0x18 [ 96.415620] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 96.415638] entry_SYSENTER_compat+0x54/0x63 [ 96.415644] RIP: 0023:0xf7f10c79 [ 96.415647] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 96.415655] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 96.415659] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 96.415663] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 96.415667] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 96.415670] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 96.415727] Mem-Info: [ 96.415743] active_anon:2591 inactive_anon:63 isolated_anon:0 [ 96.415743] active_file:34 inactive_file:8 isolated_file:0 [ 96.415743] unevictable:0 dirty:0 writeback:2 unstable:0 [ 96.415743] slab_reclaimable:8234 slab_unreclaimable:79691 [ 96.415743] mapped:0 shmem:70 pagetables:295 bounce:0 [ 96.415743] free:15809 free_pcp:86 free_cma:0 [ 96.415756] Node 0 active_anon:10364kB inactive_anon:252kB active_file:136kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:8kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 96.415759] 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 [ 96.415775] lowmem_reserve[]: 0 2868 6378 6378 [ 96.415788] Node 0 DMA32 free:28828kB min:30316kB low:37892kB high:45468kB active_anon:200kB inactive_anon:0kB active_file:424kB inactive_file:0kB unevictable:0kB writepending:136kB present:3129292kB managed:2939968kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:176kB local_pcp:176kB free_cma:0kB [ 96.415804] lowmem_reserve[]: 0 0 3510 3510 [ 96.415816] Node 0 Normal free:18500kB min:37100kB low:46372kB high:55644kB active_anon:10164kB inactive_anon:252kB active_file:12kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3040kB pagetables:1180kB bounce:0kB free_pcp:168kB local_pcp:120kB free_cma:0kB [ 96.415832] lowmem_reserve[]: 0 0 0 0 [ 96.415844] 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 [ 96.415898] Node 0 DMA32: 21*4kB (UME) 15*8kB (ME) 11*16kB (M) 10*32kB (UME) 10*64kB (UME) 7*128kB (UM) 5*256kB (ME) 3*512kB (ME) 3*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 28604kB [ 96.415958] Node 0 Normal: 213*4kB (UME) 161*8kB (M) 133*16kB (ME) 91*32kB (ME) 37*64kB (UM) 32*128kB (UM) 12*256kB (UM) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 18252kB [ 96.416035] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 96.416038] 84 total pagecache pages [ 96.416047] 0 pages in swap cache [ 96.416055] Swap cache stats: add 0, delete 0, find 0/0 [ 96.416058] Free swap = 0kB [ 96.416060] Total swap = 0kB [ 96.416063] 1965969 pages RAM [ 96.416066] 0 pages HighMem/MovableOnly [ 96.416068] 328417 pages reserved [ 96.416072] Unreclaimable slab info: [ 96.416075] Name Used Total [ 96.416081] hashtab_node 118KB 119KB [ 96.416086] ebitmap_node 387KB 389KB [ 96.416092] avtab_node 1012KB 1013KB [ 96.416103] TIPC 1KB 7KB [ 96.416111] SCTPv6 2KB 4KB [ 96.416116] SCTP 14KB 14KB [ 96.416123] DCCPv6 2KB 7KB [ 96.416130] DCCP 2KB 6KB [ 96.416150] fib6_nodes 0KB 4KB [ 96.416155] ip6_dst_cache 6KB 11KB [ 96.416161] RAWv6 9KB 19KB [ 96.416167] UDPv6 12KB 14KB [ 96.416174] TCPv6 2KB 5KB [ 96.416193] sd_ext_cdb 0KB 3KB [ 96.416197] scsi_sense_cache 88KB 100KB [ 96.416202] virtio_scsi_cmd 16KB 16KB [ 96.416210] sgpool-128 8KB 8KB [ 96.416215] sgpool-64 4KB 6KB [ 96.416220] sgpool-32 86KB 86KB [ 96.416224] sgpool-16 33KB 33KB [ 96.416229] sgpool-8 165KB 165KB [ 96.416236] cfq_io_cq 15KB 15KB [ 96.416240] cfq_queue 27KB 27KB [ 96.416246] mqueue_inode_cache 1KB 7KB [ 96.416253] nfs_commit_data 3KB 7KB [ 96.416257] nfs_write_data 34KB 37KB [ 96.416265] jbd2_inode 1KB 3KB [ 96.416271] ext4_system_zone 0KB 3KB [ 96.416282] bio-1 1KB 3KB [ 96.416294] rpc_buffers 17KB 19KB [ 96.416299] rpc_tasks 2KB 3KB [ 96.416304] UNIX 780KB 780KB [ 96.416311] tcp_bind_bucket 0KB 4KB [ 96.416319] ip_fib_trie 0KB 3KB [ 96.416324] ip_fib_alias 0KB 3KB [ 96.416329] ip_dst_cache 3KB 8KB [ 96.416335] RAW 5KB 7KB [ 96.416339] UDP 29KB 31KB [ 96.416345] TCP 7KB 7KB [ 96.416350] hugetlbfs_inode_cache 1KB 7KB [ 96.416356] eventpoll_pwq 44KB 51KB [ 96.416360] eventpoll_epi 81KB 90KB [ 96.416365] inotify_inode_mark 3KB 11KB [ 96.416371] request_queue 31KB 39KB [ 96.416377] blkdev_ioc 23KB 23KB [ 96.416383] bio-0 296KB 296KB [ 96.416387] biovec-(1<<(21-12)) 495KB 495KB [ 96.416393] biovec-64 133KB 133KB [ 96.416398] biovec-16 18KB 18KB [ 96.416402] bio_integrity_payload 0KB 4KB [ 96.416407] khugepaged_mm_slot 0KB 3KB [ 96.416416] uid_cache 1KB 3KB [ 96.416421] dmaengine-unmap-2 0KB 3KB [ 96.416426] audit_buffer 0KB 3KB [ 96.416431] skbuff_fclone_cache 143KB 146KB [ 96.416436] skbuff_head_cache 1830KB 1833KB [ 96.416441] configfs_dir_cache 0KB 4KB [ 96.416445] file_lock_cache 163KB 166KB [ 96.416450] file_lock_ctx 1KB 3KB [ 96.416455] fsnotify_mark_connector 2KB 7KB [ 96.416461] shmem_inode_cache 1054KB 1054KB [ 96.416466] task_delay_info 340KB 347KB [ 96.416472] sigqueue 386KB 393KB [ 96.416477] kernfs_node_cache 3139KB 3142KB [ 96.416482] mnt_cache 15KB 16KB [ 96.416487] filp 7850KB 9442KB [ 96.416492] names_cache 103432KB 103470KB [ 96.416500] avc_node 37KB 43KB [ 96.416505] selinux_file_security 391KB 608KB [ 96.416510] selinux_inode_security 2195KB 2208KB [ 96.416515] key_jar 3KB 7KB [ 96.416519] nsproxy 0KB 3KB [ 96.416524] vm_area_struct 20601KB 20782KB [ 96.416529] mm_struct 4675KB 4742KB [ 96.416534] fs_cache 455KB 464KB [ 96.416539] files_cache 1706KB 1728KB [ 96.416544] signal_cache 2724KB 2752KB [ 96.416549] sighand_cache 217KB 277KB [ 96.416553] task_struct 11576KB 11619KB [ 96.416558] cred_jar 2351KB 2372KB [ 96.416563] anon_vma_chain 9010KB 9095KB [ 96.416567] anon_vma 137KB 342KB [ 96.416572] pid 236KB 244KB [ 96.416577] Acpi-Operand 312KB 788KB [ 96.416584] Acpi-Namespace 102KB 104KB [ 96.416590] numa_policy 0KB 3KB [ 96.416595] debug_objects_cache 799KB 799KB [ 96.416600] trace_event_file 149KB 151KB [ 96.416605] ftrace_event_field 261KB 263KB [ 96.416610] pool_workqueue 24KB 28KB [ 96.416616] page->ptl 3275KB 3292KB [ 96.416638] kmalloc-262144 1032KB 1032KB [ 96.416643] kmalloc-131072 650KB 650KB [ 96.416648] kmalloc-65536 264KB 264KB [ 96.416653] kmalloc-32768 825KB 825KB [ 96.416657] kmalloc-16384 181KB 181KB [ 96.416662] kmalloc-8192 528KB 528KB [ 96.416666] kmalloc-4096 3820KB 3859KB [ 96.416671] kmalloc-2048 4150KB 4150KB [ 96.416676] kmalloc-1024 3724KB 3724KB [ 96.416680] kmalloc-512 2851KB 2872KB [ 96.416685] kmalloc-256 1800KB 2561KB [ 96.416690] kmalloc-128 444KB 543KB [ 96.416694] kmalloc-96 304KB 384KB [ 96.416699] kmalloc-64 706KB 732KB [ 96.416703] kmalloc-32 1909KB 2803KB [ 96.416708] kmalloc-192 203KB 268KB [ 96.416713] kmem_cache 102KB 108KB [ 96.416717] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 96.416739] [ 2098] 0 2098 5451 251 81920 0 -1000 udevd [ 96.416750] [ 3957] 0 3957 14299 204 118784 0 0 rsyslogd [ 96.416759] [ 4012] 0 4012 4725 51 86016 0 0 cron [ 96.416769] [ 4027] 0 4027 3736 45 69632 0 0 mcstransd [ 96.416779] [ 4058] 0 4058 12490 152 139264 0 -1000 sshd [ 96.416789] [ 4082] 0 4082 3694 41 77824 0 0 getty [ 96.416798] [ 4083] 0 4083 3694 40 77824 0 0 getty [ 96.416808] [ 4084] 0 4084 3694 41 73728 0 0 getty [ 96.416818] [ 4085] 0 4085 3694 42 77824 0 0 getty [ 96.416827] [ 4086] 0 4086 3694 39 77824 0 0 getty [ 96.416837] [ 4087] 0 4087 3694 39 73728 0 0 getty [ 96.416847] [ 4088] 0 4088 3649 37 77824 0 0 getty [ 96.416857] [ 4092] 0 4092 5681 455 77824 0 -1000 udevd [ 96.416867] [ 4093] 0 4093 5681 455 77824 0 -1000 udevd [ 96.416877] [ 4112] 0 4112 17821 197 188416 0 0 sshd [ 96.416887] [ 4114] 0 4114 238 1 28672 0 0 syzkaller045219 [ 96.416898] [ 4116] 0 4116 4333 0 28672 0 0 syzkaller045219 [ 96.416914] [ 4120] 0 4120 4333 0 28672 0 0 syzkaller045219 [ 96.416923] [ 4121] 0 4121 4333 0 28672 0 0 syzkaller045219 [ 96.416933] [ 4122] 0 4122 4333 520 32768 0 0 syzkaller045219 [ 96.416938] Out of memory: Kill process 4122 (syzkaller045219) score 0 or sacrifice child [ 96.416959] Killed process 4122 (syzkaller045219) total-vm:17332kB, anon-rss:2080kB, file-rss:0kB, shmem-rss:0kB [ 96.418366] oom_reaper: reaped process 4122 (syzkaller045219), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 96.421143] syzkaller045219: vmalloc: allocation failure, allocated 1489596416 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 96.421148] syzkaller045219 cpuset=/ mems_allowed=0 [ 96.421165] CPU: 1 PID: 4121 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 96.421170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.421173] Call Trace: [ 96.421190] dump_stack+0x194/0x257 [ 96.421205] ? arch_local_irq_restore+0x53/0x53 [ 96.421213] ? idr_get_free_cmn+0xfd0/0xfd0 [ 96.421242] warn_alloc+0x19a/0x2b0 [ 96.421256] ? zone_watermark_ok_safe+0x400/0x400 [ 96.421284] ? rcu_note_context_switch+0x710/0x710 [ 96.421316] __vmalloc_node_range+0x482/0x650 [ 96.421342] ? xt_alloc_table_info+0x64/0xe0 [ 96.421352] __vmalloc_node_flags_caller+0x50/0x60 [ 96.421363] ? xt_alloc_table_info+0x64/0xe0 [ 96.421377] kvmalloc_node+0x82/0xd0 [ 96.421391] xt_alloc_table_info+0x64/0xe0 [ 96.421406] do_ipt_set_ctl+0x29b/0x5f0 [ 96.421422] ? translate_compat_table+0x1b90/0x1b90 [ 96.421454] ? mutex_unlock+0xd/0x10 [ 96.421464] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 96.421481] nf_setsockopt+0x67/0xc0 [ 96.421498] ip_setsockopt+0xa1/0xb0 [ 96.421516] sctp_setsockopt+0x2b6/0x61d0 [ 96.421534] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 96.421545] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 96.421556] ? lock_downgrade+0x980/0x980 [ 96.421566] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 96.421577] ? lock_release+0xa40/0xa40 [ 96.421586] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 96.421603] ? __lock_acquire+0x664/0x3e00 [ 96.421615] ? _cond_resched+0x14/0x30 [ 96.421624] ? clear_huge_page+0x309/0x730 [ 96.421653] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 96.421668] ? __thp_get_unmapped_area+0x130/0x130 [ 96.421677] ? __lock_acquire+0x664/0x3e00 [ 96.421688] ? check_noncircular+0x20/0x20 [ 96.421695] ? sock_map_fd+0x34/0x90 [ 96.421701] ? SyS_socket+0x125/0x1d0 [ 96.421709] ? do_fast_syscall_32+0x3ee/0xf9d [ 96.421716] ? entry_SYSENTER_compat+0x54/0x63 [ 96.421725] ? kmem_cache_alloc+0x12e/0x760 [ 96.421733] ? get_empty_filp+0xfb/0x4f0 [ 96.421738] ? alloc_file+0x26/0x390 [ 96.421767] ? find_held_lock+0x35/0x1d0 [ 96.421790] ? avc_has_perm+0x35e/0x680 [ 96.421801] ? lock_downgrade+0x980/0x980 [ 96.421816] ? lock_release+0xa40/0xa40 [ 96.421823] ? check_noncircular+0x20/0x20 [ 96.421831] ? lockdep_init_map+0x9/0x10 [ 96.421839] ? debug_mutex_init+0x2d/0x60 [ 96.421860] ? SyS_membarrier+0x600/0x600 [ 96.421878] ? avc_has_perm+0x43e/0x680 [ 96.421895] ? avc_has_perm_noaudit+0x520/0x520 [ 96.421906] ? __fget+0x333/0x570 [ 96.421917] ? lock_downgrade+0x980/0x980 [ 96.421932] ? lock_release+0xa40/0xa40 [ 96.421948] ? __lock_is_held+0xb6/0x140 [ 96.421985] ? sock_has_perm+0x2a4/0x420 [ 96.422000] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 96.422016] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 96.422028] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 96.422035] ? lock_downgrade+0x980/0x980 [ 96.422083] compat_sock_common_setsockopt+0x104/0x140 [ 96.422102] compat_SyS_setsockopt+0x17c/0x410 [ 96.422109] ? sock_common_setsockopt+0xd0/0xd0 [ 96.422124] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 96.422137] ? do_fast_syscall_32+0x156/0xf9d [ 96.422153] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 96.422164] do_fast_syscall_32+0x3ee/0xf9d [ 96.422185] ? do_int80_syscall_32+0x9d0/0x9d0 [ 96.422195] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.422215] ? syscall_return_slowpath+0x2ad/0x550 [ 96.422225] ? prepare_exit_to_usermode+0x340/0x340 [ 96.422237] ? retint_user+0x18/0x18 [ 96.422256] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 96.422277] entry_SYSENTER_compat+0x54/0x63 [ 96.422283] RIP: 0023:0xf7f10c79 [ 96.422287] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 96.422295] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 96.422300] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 96.422304] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 96.422308] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 96.422313] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 96.422403] warn_alloc_show_mem: 2 callbacks suppressed [ 96.422405] Mem-Info: [ 96.422422] active_anon:2068 inactive_anon:63 isolated_anon:0 [ 96.422422] active_file:9 inactive_file:7 isolated_file:0 [ 96.422422] unevictable:0 dirty:0 writeback:2 unstable:0 [ 96.422422] slab_reclaimable:8234 slab_unreclaimable:79691 [ 96.422422] mapped:0 shmem:70 pagetables:295 bounce:0 [ 96.422422] free:15794 free_pcp:110 free_cma:0 [ 96.422437] Node 0 active_anon:8272kB inactive_anon:252kB active_file:36kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:8kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 96.422439] 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 [ 96.422457] lowmem_reserve[]: 0 2868 6378 6378 [ 96.422471] Node 0 DMA32 free:28828kB min:30316kB low:37892kB high:45468kB active_anon:200kB inactive_anon:0kB active_file:424kB inactive_file:0kB unevictable:0kB writepending:136kB present:3129292kB managed:2939968kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:176kB local_pcp:176kB free_cma:0kB [ 96.422489] lowmem_reserve[]: 0 0 3510 3510 [ 96.422503] Node 0 Normal free:18440kB min:37100kB low:46372kB high:55644kB active_anon:8116kB inactive_anon:252kB active_file:12kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3040kB pagetables:1180kB bounce:0kB free_pcp:264kB local_pcp:144kB free_cma:0kB [ 96.422521] lowmem_reserve[]: 0 0 0 0 [ 96.422534] 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 [ 96.422592] Node 0 DMA32: 21*4kB (UME) 15*8kB (ME) 11*16kB (M) 10*32kB (UME) 10*64kB (UME) 7*128kB (UM) 5*256kB (ME) 3*512kB (ME) 3*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 28604kB [ 96.422658] Node 0 Normal: 212*4kB (ME) 161*8kB (M) 133*16kB (ME) 91*32kB (ME) 36*64kB (M) 32*128kB (UM) 11*256kB (M) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 18440kB [ 96.422721] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 96.422724] 84 total pagecache pages [ 96.422732] 0 pages in swap cache [ 96.422737] Swap cache stats: add 0, delete 0, find 0/0 [ 96.422740] Free swap = 0kB [ 96.422743] Total swap = 0kB [ 96.422746] 1965969 pages RAM [ 96.422749] 0 pages HighMem/MovableOnly [ 96.422751] 328417 pages reserved [ 96.440800] syzkaller045219 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 96.440805] syzkaller045219 cpuset=/ mems_allowed=0 [ 96.440822] CPU: 0 PID: 4120 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 96.440826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.440830] Call Trace: [ 96.440846] dump_stack+0x194/0x257 [ 96.440861] ? arch_local_irq_restore+0x53/0x53 [ 96.440874] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 96.440897] dump_header+0x28c/0xe1e [ 96.440916] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 96.440931] ? pagefault_out_of_memory+0x152/0x152 [ 96.440949] ? check_noncircular+0x20/0x20 [ 96.440962] ? __lock_acquire+0x664/0x3e00 [ 96.440987] ? check_noncircular+0x20/0x20 [ 96.440996] ? print_irqtrace_events+0x270/0x270 [ 96.441023] ? task_will_free_mem+0x252/0xaa0 [ 96.441040] ? print_irqtrace_events+0x270/0x270 [ 96.441060] ? ___ratelimit+0x30d/0x630 [ 96.441070] ? lock_downgrade+0x980/0x980 [ 96.441086] ? lock_release+0xa40/0xa40 [ 96.441102] ? mark_held_locks+0xaf/0x100 [ 96.441115] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 96.441127] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 96.441137] ? trace_hardirqs_on+0xd/0x10 [ 96.441150] ? ___ratelimit+0x95/0x630 [ 96.441161] ? idr_get_free_cmn+0xfd0/0xfd0 [ 96.441172] ? find_held_lock+0x138/0x1d0 [ 96.441192] oom_kill_process+0x8b9/0x1550 [ 96.441208] ? has_ns_capability_noaudit+0x163/0x2a0 [ 96.441218] ? lock_downgrade+0x980/0x980 [ 96.441235] ? oom_evaluate_task+0x480/0x480 [ 96.441241] ? check_noncircular+0x20/0x20 [ 96.441266] ? security_capable_noaudit+0x8b/0xc0 [ 96.441284] ? find_held_lock+0x35/0x1d0 [ 96.441305] ? oom_unkillable_task+0x394/0x4c0 [ 96.441314] ? check_noncircular+0x20/0x20 [ 96.441320] ? lock_downgrade+0x980/0x980 [ 96.441334] ? lock_release+0xa40/0xa40 [ 96.441342] ? do_try_to_free_pages+0xc53/0x1020 [ 96.441355] ? find_lock_task_mm+0x460/0x460 [ 96.441372] ? find_held_lock+0x35/0x1d0 [ 96.441393] ? out_of_memory+0xb3a/0x1220 [ 96.441403] ? lock_downgrade+0x980/0x980 [ 96.441417] ? lock_release+0xa40/0xa40 [ 96.441423] ? lock_acquire+0x1d5/0x580 [ 96.441433] ? blocking_notifier_call_chain+0x112/0x190 [ 96.441440] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 96.441460] ? oom_evaluate_task+0x284/0x480 [ 96.441477] out_of_memory+0x86d/0x1220 [ 96.441484] ? trace_hardirqs_on+0xd/0x10 [ 96.441505] ? oom_killer_disable+0x310/0x310 [ 96.441512] ? mutex_trylock+0x23a/0x2d0 [ 96.441526] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 96.441534] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 96.441565] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 96.441618] ? warn_alloc+0x2b0/0x2b0 [ 96.441642] ? print_irqtrace_events+0x270/0x270 [ 96.441654] ? __schedule+0x13bb/0x2060 [ 96.441671] ? check_noncircular+0x20/0x20 [ 96.441684] ? __enqueue_entity+0x109/0x1e0 [ 96.441705] ? mark_held_locks+0xaf/0x100 [ 96.441723] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 96.441732] ? check_noncircular+0x20/0x20 [ 96.441740] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.441803] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 96.441827] ? __might_sleep+0x95/0x190 [ 96.441844] __alloc_pages_nodemask+0x9fb/0xd80 [ 96.441863] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 96.441876] ? __sched_text_start+0x8/0x8 [ 96.441889] ? mark_held_locks+0xaf/0x100 [ 96.441900] ? retint_kernel+0x10/0x10 [ 96.441918] ? __lock_is_held+0xb6/0x140 [ 96.441948] ? rcu_note_context_switch+0x710/0x710 [ 96.441967] alloc_pages_current+0xb6/0x1e0 [ 96.441984] __vmalloc_node_range+0x409/0x650 [ 96.442009] ? xt_alloc_table_info+0x64/0xe0 [ 96.442019] __vmalloc_node_flags_caller+0x50/0x60 [ 96.442029] ? xt_alloc_table_info+0x64/0xe0 [ 96.442041] kvmalloc_node+0x82/0xd0 [ 96.442055] xt_alloc_table_info+0x64/0xe0 [ 96.442069] do_ipt_set_ctl+0x29b/0x5f0 [ 96.442085] ? translate_compat_table+0x1b90/0x1b90 [ 96.442113] ? mutex_unlock+0xd/0x10 [ 96.442123] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 96.442139] nf_setsockopt+0x67/0xc0 [ 96.442154] ip_setsockopt+0xa1/0xb0 [ 96.442171] sctp_setsockopt+0x2b6/0x61d0 [ 96.442187] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 96.442198] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 96.442208] ? lock_downgrade+0x980/0x980 [ 96.442218] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 96.442228] ? lock_release+0xa40/0xa40 [ 96.442236] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 96.442252] ? __lock_acquire+0x664/0x3e00 [ 96.442263] ? _cond_resched+0x14/0x30 [ 96.442272] ? clear_huge_page+0x309/0x730 [ 96.442299] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 96.442313] ? __thp_get_unmapped_area+0x130/0x130 [ 96.442321] ? __lock_acquire+0x664/0x3e00 [ 96.442332] ? check_noncircular+0x20/0x20 [ 96.442339] ? sock_map_fd+0x34/0x90 [ 96.442346] ? SyS_socket+0x125/0x1d0 [ 96.442352] ? do_fast_syscall_32+0x3ee/0xf9d [ 96.442360] ? entry_SYSENTER_compat+0x54/0x63 [ 96.442369] ? kmem_cache_alloc+0x12e/0x760 [ 96.442376] ? get_empty_filp+0xfb/0x4f0 [ 96.442382] ? alloc_file+0x26/0x390 [ 96.442408] ? find_held_lock+0x35/0x1d0 [ 96.442430] ? avc_has_perm+0x35e/0x680 [ 96.442441] ? lock_downgrade+0x980/0x980 [ 96.442455] ? lock_release+0xa40/0xa40 [ 96.442462] ? check_noncircular+0x20/0x20 [ 96.442469] ? lockdep_init_map+0x9/0x10 [ 96.442477] ? debug_mutex_init+0x2d/0x60 [ 96.442497] ? SyS_membarrier+0x600/0x600 [ 96.442514] ? avc_has_perm+0x43e/0x680 [ 96.442530] ? avc_has_perm_noaudit+0x520/0x520 [ 96.442541] ? __fget+0x333/0x570 [ 96.443633] ? lock_downgrade+0x980/0x980 [ 96.443654] ? lock_release+0xa40/0xa40 [ 96.443668] ? __lock_is_held+0xb6/0x140 [ 96.443704] ? sock_has_perm+0x2a4/0x420 [ 96.443718] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 96.443731] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 96.443742] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 96.443748] ? lock_downgrade+0x980/0x980 [ 96.443789] compat_sock_common_setsockopt+0x104/0x140 [ 96.443806] compat_SyS_setsockopt+0x17c/0x410 [ 96.443812] ? sock_common_setsockopt+0xd0/0xd0 [ 96.443826] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 96.443840] ? do_fast_syscall_32+0x156/0xf9d [ 96.443854] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 96.443864] do_fast_syscall_32+0x3ee/0xf9d [ 96.443884] ? do_int80_syscall_32+0x9d0/0x9d0 [ 96.443894] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.443912] ? syscall_return_slowpath+0x2ad/0x550 [ 96.443922] ? prepare_exit_to_usermode+0x340/0x340 [ 96.443933] ? retint_user+0x18/0x18 [ 96.443951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 96.443970] entry_SYSENTER_compat+0x54/0x63 [ 96.443977] RIP: 0023:0xf7f10c79 [ 96.443981] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 96.443989] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 96.443994] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 96.443998] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 96.444002] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 96.444006] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 96.444065] Mem-Info: [ 96.444083] active_anon:2068 inactive_anon:63 isolated_anon:0 [ 96.444083] active_file:9 inactive_file:7 isolated_file:0 [ 96.444083] unevictable:0 dirty:0 writeback:2 unstable:0 [ 96.444083] slab_reclaimable:8234 slab_unreclaimable:79691 [ 96.444083] mapped:0 shmem:70 pagetables:295 bounce:0 [ 96.444083] free:15794 free_pcp:110 free_cma:0 [ 96.444097] Node 0 active_anon:8272kB inactive_anon:252kB active_file:36kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:8kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 96.444099] 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 [ 96.444116] lowmem_reserve[]: 0 2868 6378 6378 [ 96.444130] Node 0 DMA32 free:28828kB min:30316kB low:37892kB high:45468kB active_anon:200kB inactive_anon:0kB active_file:424kB inactive_file:0kB unevictable:0kB writepending:136kB present:3129292kB managed:2939968kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:176kB local_pcp:0kB free_cma:0kB [ 96.444146] lowmem_reserve[]: 0 0 3510 3510 [ 96.444160] Node 0 Normal free:18440kB min:37100kB low:46372kB high:55644kB active_anon:8116kB inactive_anon:252kB active_file:12kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3040kB pagetables:1180kB bounce:0kB free_pcp:264kB local_pcp:120kB free_cma:0kB [ 96.444177] lowmem_reserve[]: 0 0 0 0 [ 96.444190] 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 [ 96.444248] Node 0 DMA32: 21*4kB (UME) 15*8kB (ME) 11*16kB (M) 10*32kB (UME) 10*64kB (UME) 7*128kB (UM) 5*256kB (ME) 3*512kB (ME) 3*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 28604kB [ 96.444312] Node 0 Normal: 212*4kB (ME) 161*8kB (M) 133*16kB (ME) 91*32kB (ME) 36*64kB (M) 32*128kB (UM) 11*256kB (M) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 18440kB [ 96.444373] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 96.444376] 84 total pagecache pages [ 96.444385] 0 pages in swap cache [ 96.444389] Swap cache stats: add 0, delete 0, find 0/0 [ 96.444392] Free swap = 0kB [ 96.444395] Total swap = 0kB [ 96.444398] 1965969 pages RAM [ 96.444401] 0 pages HighMem/MovableOnly [ 96.444403] 328417 pages reserved [ 96.444407] Unreclaimable slab info: [ 96.444410] Name Used Total [ 96.444417] hashtab_node 118KB 119KB [ 96.444423] ebitmap_node 387KB 389KB [ 96.444429] avtab_node 1012KB 1013KB [ 96.444441] TIPC 1KB 7KB [ 96.444450] SCTPv6 2KB 4KB [ 96.444455] SCTP 14KB 14KB [ 96.444465] DCCPv6 2KB 7KB [ 96.444472] DCCP 2KB 6KB [ 96.444495] fib6_nodes 0KB 4KB [ 96.444501] ip6_dst_cache 6KB 11KB [ 96.444508] RAWv6 9KB 19KB [ 96.444514] UDPv6 12KB 14KB [ 96.444521] TCPv6 2KB 5KB [ 96.444539] sd_ext_cdb 0KB 3KB [ 96.444545] scsi_sense_cache 88KB 100KB [ 96.444557] virtio_scsi_cmd 16KB 16KB [ 96.444565] sgpool-128 8KB 8KB [ 96.444570] sgpool-64 4KB 6KB [ 96.444575] sgpool-32 86KB 86KB [ 96.444580] sgpool-16 33KB 33KB [ 96.444585] sgpool-8 165KB 165KB [ 96.444593] cfq_io_cq 15KB 15KB [ 96.444598] cfq_queue 27KB 27KB [ 96.444604] mqueue_inode_cache 1KB 7KB [ 96.444610] nfs_commit_data 3KB 7KB [ 96.444616] nfs_write_data 34KB 37KB [ 96.444624] jbd2_inode 1KB 3KB [ 96.444630] ext4_system_zone 0KB 3KB [ 96.444643] bio-1 1KB 3KB [ 96.444655] rpc_buffers 17KB 19KB [ 96.444661] rpc_tasks 2KB 3KB [ 96.444666] UNIX 780KB 780KB [ 96.444674] tcp_bind_bucket 0KB 4KB [ 96.444682] ip_fib_trie 0KB 3KB [ 96.444687] ip_fib_alias 0KB 3KB [ 96.444692] ip_dst_cache 3KB 8KB [ 96.444698] RAW 5KB 7KB [ 96.444703] UDP 29KB 31KB [ 96.444710] TCP 7KB 7KB [ 96.444715] hugetlbfs_inode_cache 1KB 7KB [ 96.444722] eventpoll_pwq 44KB 51KB [ 96.444727] eventpoll_epi 81KB 90KB [ 96.444732] inotify_inode_mark 3KB 11KB [ 96.444738] request_queue 31KB 39KB [ 96.444744] blkdev_ioc 23KB 23KB [ 96.444750] bio-0 296KB 296KB [ 96.444755] biovec-(1<<(21-12)) 495KB 495KB [ 96.444761] biovec-64 133KB 133KB [ 96.444766] biovec-16 18KB 18KB [ 96.444772] bio_integrity_payload 0KB 4KB [ 96.444777] khugepaged_mm_slot 0KB 3KB [ 96.444786] uid_cache 1KB 3KB [ 96.444792] dmaengine-unmap-2 0KB 3KB [ 96.444797] audit_buffer 0KB 3KB [ 96.444803] skbuff_fclone_cache 143KB 146KB [ 96.444808] skbuff_head_cache 1830KB 1833KB [ 96.444813] configfs_dir_cache 0KB 4KB [ 96.444818] file_lock_cache 163KB 166KB [ 96.444824] file_lock_ctx 1KB 3KB [ 96.444829] fsnotify_mark_connector 2KB 7KB [ 96.444835] shmem_inode_cache 1054KB 1054KB [ 96.444841] task_delay_info 340KB 347KB [ 96.444847] sigqueue 386KB 393KB [ 96.444853] kernfs_node_cache 3139KB 3142KB [ 96.444858] mnt_cache 15KB 16KB [ 96.444863] filp 7850KB 9442KB [ 96.444869] names_cache 103432KB 103470KB [ 96.444878] avc_node 37KB 43KB [ 96.444883] selinux_file_security 391KB 608KB [ 96.444888] selinux_inode_security 2195KB 2208KB [ 96.444893] key_jar 3KB 7KB [ 96.444898] nsproxy 0KB 3KB [ 96.444904] vm_area_struct 20601KB 20782KB [ 96.444909] mm_struct 4675KB 4742KB [ 96.444914] fs_cache 455KB 464KB [ 96.444919] files_cache 1706KB 1728KB [ 96.444924] signal_cache 2724KB 2752KB [ 96.444929] sighand_cache 217KB 277KB [ 96.444935] task_struct 11576KB 11619KB [ 96.444941] cred_jar 2351KB 2372KB [ 96.444946] anon_vma_chain 9010KB 9095KB [ 96.444952] anon_vma 137KB 342KB [ 96.444957] pid 236KB 244KB [ 96.444962] Acpi-Operand 312KB 788KB [ 96.444970] Acpi-Namespace 102KB 104KB [ 96.444976] numa_policy 0KB 3KB [ 96.444981] debug_objects_cache 799KB 799KB [ 96.444987] trace_event_file 149KB 151KB [ 96.444993] ftrace_event_field 261KB 263KB [ 96.444998] pool_workqueue 24KB 28KB [ 96.445032] page->ptl 3275KB 3292KB [ 96.445057] kmalloc-262144 1032KB 1032KB [ 96.445062] kmalloc-131072 650KB 650KB [ 96.445067] kmalloc-65536 264KB 264KB [ 96.445072] kmalloc-32768 825KB 825KB [ 96.445077] kmalloc-16384 181KB 181KB [ 96.445082] kmalloc-8192 528KB 528KB [ 96.445087] kmalloc-4096 3820KB 3859KB [ 96.445092] kmalloc-2048 4150KB 4150KB [ 96.445098] kmalloc-1024 3724KB 3724KB [ 96.445103] kmalloc-512 2851KB 2872KB [ 96.445108] kmalloc-256 1800KB 2561KB [ 96.445113] kmalloc-128 444KB 543KB [ 96.445118] kmalloc-96 304KB 384KB [ 96.445124] kmalloc-64 706KB 732KB [ 96.445129] kmalloc-32 1909KB 2803KB [ 96.445135] kmalloc-192 203KB 268KB [ 96.445140] kmem_cache 102KB 108KB [ 96.445144] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 96.445172] [ 2098] 0 2098 5451 251 81920 0 -1000 udevd [ 96.445184] [ 3957] 0 3957 14299 204 118784 0 0 rsyslogd [ 96.445195] [ 4012] 0 4012 4725 51 86016 0 0 cron [ 96.445206] [ 4027] 0 4027 3736 45 69632 0 0 mcstransd [ 96.445217] [ 4058] 0 4058 12490 152 139264 0 -1000 sshd [ 96.445228] [ 4082] 0 4082 3694 41 77824 0 0 getty [ 96.445239] [ 4083] 0 4083 3694 40 77824 0 0 getty [ 96.445250] [ 4084] 0 4084 3694 41 73728 0 0 getty [ 96.445260] [ 4085] 0 4085 3694 42 77824 0 0 getty [ 96.445271] [ 4086] 0 4086 3694 39 77824 0 0 getty [ 96.445281] [ 4087] 0 4087 3694 39 73728 0 0 getty [ 96.445291] [ 4088] 0 4088 3649 37 77824 0 0 getty [ 96.445302] [ 4092] 0 4092 5681 455 77824 0 -1000 udevd [ 96.445313] [ 4093] 0 4093 5681 455 77824 0 -1000 udevd [ 96.445324] [ 4112] 0 4112 17821 197 188416 0 0 sshd [ 96.445335] [ 4114] 0 4114 238 1 28672 0 0 syzkaller045219 [ 96.445348] [ 4116] 0 4116 4333 0 28672 0 0 syzkaller045219 [ 96.445364] [ 4120] 0 4120 4333 0 28672 0 0 syzkaller045219 [ 96.445374] [ 4121] 0 4121 4333 0 28672 0 0 syzkaller045219 [ 96.445386] [ 4122] 0 4122 4333 0 28672 0 0 syzkaller045219 [ 96.445391] Out of memory: Kill process 4112 (sshd) score 0 or sacrifice child [ 96.445468] Killed process 4114 (syzkaller045219) total-vm:952kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 96.458992] syzkaller045219: vmalloc: allocation failure, allocated 2040283136 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 96.458997] syzkaller045219 cpuset=/ mems_allowed=0 [ 96.459037] CPU: 0 PID: 4120 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 96.459042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.459045] Call Trace: [ 96.459060] dump_stack+0x194/0x257 [ 96.459075] ? arch_local_irq_restore+0x53/0x53 [ 96.459081] ? idr_get_free_cmn+0xfd0/0xfd0 [ 96.459094] ? mark_held_locks+0xaf/0x100 [ 96.459115] warn_alloc+0x19a/0x2b0 [ 96.459129] ? zone_watermark_ok_safe+0x400/0x400 [ 96.459156] ? rcu_note_context_switch+0x710/0x710 [ 96.459186] __vmalloc_node_range+0x482/0x650 [ 96.459212] ? xt_alloc_table_info+0x64/0xe0 [ 96.459222] __vmalloc_node_flags_caller+0x50/0x60 [ 96.459231] ? xt_alloc_table_info+0x64/0xe0 [ 96.459244] kvmalloc_node+0x82/0xd0 [ 96.459258] xt_alloc_table_info+0x64/0xe0 [ 96.459272] do_ipt_set_ctl+0x29b/0x5f0 [ 96.459287] ? translate_compat_table+0x1b90/0x1b90 [ 96.459317] ? mutex_unlock+0xd/0x10 [ 96.459327] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 96.459343] nf_setsockopt+0x67/0xc0 [ 96.459359] ip_setsockopt+0xa1/0xb0 [ 96.459376] sctp_setsockopt+0x2b6/0x61d0 [ 96.459393] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 96.459404] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 96.459414] ? lock_downgrade+0x980/0x980 [ 96.459424] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 96.459434] ? lock_release+0xa40/0xa40 [ 96.459444] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 96.459460] ? __lock_acquire+0x664/0x3e00 [ 96.459472] ? _cond_resched+0x14/0x30 [ 96.459481] ? clear_huge_page+0x309/0x730 [ 96.459508] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 96.459523] ? __thp_get_unmapped_area+0x130/0x130 [ 96.459531] ? __lock_acquire+0x664/0x3e00 [ 96.459541] ? check_noncircular+0x20/0x20 [ 96.459553] ? sock_map_fd+0x34/0x90 [ 96.459559] ? SyS_socket+0x125/0x1d0 [ 96.459568] ? do_fast_syscall_32+0x3ee/0xf9d [ 96.459575] ? entry_SYSENTER_compat+0x54/0x63 [ 96.459584] ? kmem_cache_alloc+0x12e/0x760 [ 96.459592] ? get_empty_filp+0xfb/0x4f0 [ 96.459597] ? alloc_file+0x26/0x390 [ 96.459624] ? find_held_lock+0x35/0x1d0 [ 96.459645] ? avc_has_perm+0x35e/0x680 [ 96.459656] ? lock_downgrade+0x980/0x980 [ 96.459671] ? lock_release+0xa40/0xa40 [ 96.459677] ? check_noncircular+0x20/0x20 [ 96.459685] ? lockdep_init_map+0x9/0x10 [ 96.459693] ? debug_mutex_init+0x2d/0x60 [ 96.459712] ? SyS_membarrier+0x600/0x600 [ 96.459730] ? avc_has_perm+0x43e/0x680 [ 96.459746] ? avc_has_perm_noaudit+0x520/0x520 [ 96.459757] ? __fget+0x333/0x570 [ 96.459768] ? lock_downgrade+0x980/0x980 [ 96.459782] ? lock_release+0xa40/0xa40 [ 96.459797] ? __lock_is_held+0xb6/0x140 [ 96.459832] ? sock_has_perm+0x2a4/0x420 [ 96.459847] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 96.459861] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 96.459872] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 96.459878] ? lock_downgrade+0x980/0x980 [ 96.459918] compat_sock_common_setsockopt+0x104/0x140 [ 96.459936] compat_SyS_setsockopt+0x17c/0x410 [ 96.459942] ? sock_common_setsockopt+0xd0/0xd0 [ 96.459957] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 96.459969] ? do_fast_syscall_32+0x156/0xf9d [ 96.459984] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 96.459994] do_fast_syscall_32+0x3ee/0xf9d [ 96.460019] ? do_int80_syscall_32+0x9d0/0x9d0 [ 96.460028] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.460047] ? syscall_return_slowpath+0x2ad/0x550 [ 96.460056] ? prepare_exit_to_usermode+0x340/0x340 [ 96.460066] ? retint_user+0x18/0x18 [ 96.460084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 96.460104] entry_SYSENTER_compat+0x54/0x63 [ 96.460110] RIP: 0023:0xf7f10c79 [ 96.460114] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 96.460122] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 96.460126] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 96.460130] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 96.460134] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 96.460138] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 110.166841] syzkaller045219 cpuset=/ mems_allowed=0 [ 110.171915] CPU: 1 PID: 4116 Comm: syzkaller045219 Not tainted 4.15.0+ #200 [ 110.178995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.188334] Call Trace: [ 110.190893] dump_stack+0x194/0x257 [ 110.194501] ? arch_local_irq_restore+0x53/0x53 [ 110.199136] ? idr_get_free_cmn+0xfd0/0xfd0 [ 110.203444] warn_alloc+0x19a/0x2b0 [ 110.207042] ? zone_watermark_ok_safe+0x400/0x400 [ 110.211869] ? rcu_note_context_switch+0x710/0x710 [ 110.216791] __vmalloc_node_range+0x482/0x650 [ 110.221275] ? xt_alloc_table_info+0x64/0xe0 [ 110.225658] __vmalloc_node_flags_caller+0x50/0x60 [ 110.230561] ? xt_alloc_table_info+0x64/0xe0 [ 110.234944] kvmalloc_node+0x82/0xd0 [ 110.238648] xt_alloc_table_info+0x64/0xe0 [ 110.242860] do_ipt_set_ctl+0x29b/0x5f0 [ 110.246816] ? translate_compat_table+0x1b90/0x1b90 [ 110.251845] ? mutex_unlock+0xd/0x10 [ 110.255550] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 110.260841] nf_setsockopt+0x67/0xc0 [ 110.264550] ip_setsockopt+0xa1/0xb0 [ 110.268265] sctp_setsockopt+0x2b6/0x61d0 [ 110.272421] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 110.278124] ? do_huge_pmd_anonymous_page+0xab1/0x1b00 [ 110.283375] ? lock_downgrade+0x980/0x980 [ 110.288242] ? pudp_huge_clear_flush+0x1f0/0x1f0 [ 110.292980] ? lock_release+0xa40/0xa40 [ 110.296932] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 110.302795] ? __lock_acquire+0x664/0x3e00 [ 110.307017] ? _cond_resched+0x14/0x30 [ 110.310900] ? clear_huge_page+0x309/0x730 [ 110.315148] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 110.320325] ? __thp_get_unmapped_area+0x130/0x130 [ 110.325228] ? __lock_acquire+0x664/0x3e00 [ 110.329440] ? check_noncircular+0x20/0x20 [ 110.333646] ? sock_map_fd+0x34/0x90 [ 110.337329] ? SyS_socket+0x125/0x1d0 [ 110.341098] ? do_fast_syscall_32+0x3ee/0xf9d [ 110.345579] ? entry_SYSENTER_compat+0x54/0x63 [ 110.350151] ? kmem_cache_alloc+0x12e/0x760 [ 110.354448] ? get_empty_filp+0xfb/0x4f0 [ 110.358475] ? alloc_file+0x26/0x390 [ 110.362170] ? find_held_lock+0x35/0x1d0 [ 110.366210] ? avc_has_perm+0x35e/0x680 [ 110.370156] ? lock_downgrade+0x980/0x980 [ 110.374279] ? lock_release+0xa40/0xa40 [ 110.378223] ? check_noncircular+0x20/0x20 [ 110.382437] ? lockdep_init_map+0x9/0x10 [ 110.386468] ? debug_mutex_init+0x2d/0x60 [ 110.390593] ? SyS_membarrier+0x600/0x600 [ 110.394731] ? avc_has_perm+0x43e/0x680 [ 110.398690] ? avc_has_perm_noaudit+0x520/0x520 [ 110.403343] ? __fget+0x333/0x570 [ 110.406769] ? lock_downgrade+0x980/0x980 [ 110.410892] ? lock_release+0xa40/0xa40 [ 110.414839] ? __lock_is_held+0xb6/0x140 [ 110.418894] ? sock_has_perm+0x2a4/0x420 [ 110.422935] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 110.428284] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 110.433989] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 110.439247] ? lock_downgrade+0x980/0x980 [ 110.443383] compat_sock_common_setsockopt+0x104/0x140 [ 110.448638] compat_SyS_setsockopt+0x17c/0x410 [ 110.453190] ? sock_common_setsockopt+0xd0/0xd0 [ 110.457835] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 110.462568] ? do_fast_syscall_32+0x156/0xf9d [ 110.467039] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 110.471773] do_fast_syscall_32+0x3ee/0xf9d [ 110.476094] ? do_int80_syscall_32+0x9d0/0x9d0 [ 110.480666] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 110.485402] ? syscall_return_slowpath+0x2ad/0x550 [ 110.490300] ? prepare_exit_to_usermode+0x340/0x340 [ 110.495310] ? retint_user+0x18/0x18 [ 110.499019] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 110.503854] entry_SYSENTER_compat+0x54/0x63 [ 110.508235] RIP: 0023:0xf7f10c79 [ 110.511568] RSP: 002b:00000000ff98568c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 110.519258] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 110.526508] RDX: 0000000000000040 RSI: 0000000020014bd0 RDI: 0000000000000430 [ 110.533756] RBP: 0000000000080005 R08: 0000000000000000 R09: 0000000000000000 [ 110.541015] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 110.548256] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 110.555608] warn_alloc_show_mem: 1 callbacks suppressed [ 110.555611] Mem-Info: [ 110.563388] active_anon:2055 inactive_anon:63 isolated_anon:0 [ 110.563388] active_file:14 inactive_file:555 isolated_file:0 [ 110.563388] unevictable:0 dirty:54 writeback:0 unstable:0 [ 110.563388] slab_reclaimable:8232 slab_unreclaimable:79615 [ 110.563388] mapped:415 shmem:70 pagetables:266 bounce:0 [ 110.563388] free:1331873 free_pcp:670 free_cma:0 [ 110.596089] Node 0 active_anon:8220kB inactive_anon:252kB active_file:56kB inactive_file:2220kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1660kB dirty:216kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 110.623109] 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 [ 110.649339] lowmem_reserve[]: 0 2868 6378 6378 [ 110.653946] Node 0 DMA32 free:2569860kB min:30316kB low:37892kB high:45468kB active_anon:156kB 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:1352kB local_pcp:732kB free_cma:0kB [ 110.681903] lowmem_reserve[]: 0 0 3510 3510 [ 110.686260] Node 0 Normal free:2741724kB min:37100kB low:46372kB high:55644kB active_anon:8064kB inactive_anon:252kB active_file:56kB inactive_file:2220kB unevictable:0kB writepending:312kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:2816kB pagetables:1064kB bounce:0kB free_pcp:1320kB local_pcp:624kB free_cma:0kB [ 110.715633] lowmem_reserve[]: 0 0 0 0 [ 110.719461] 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 [ 110.733084] Node 0 DMA32: 2945*4kB (UME) 2962*8kB (UME) 2977*16kB (UM) 2963*32kB (UME) 3096*64kB (UME) 191*128kB (UM) 78*256kB (UME) 68*512kB (UE) 57*1024kB (UME) 50*2048kB (UME) 477*4096kB (UM) = 2569860kB [ 110.751660] Node 0 Normal: 3542*4kB (UE) 3627*8kB (UE) 4926*16kB (UME) 3689*32kB (UME) 3365*64kB (UM) 281*128kB (UM) 164*256kB (UM) 117*512kB (U) 80*1024kB (U) 57*2048kB (UM) 476*4096kB (U) = 2741616kB [ 110.769808] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 110.778387] 665 total pagecache pages [ 110.782193] 0 pages in swap cache [ 110.785647] Swap cache stats: add 0, delete 0, find 0/0 [ 110.791057] Free swap = 0kB [ 110.794076] Total swap = 0kB [ 110.797093] 1965969 pages RAM [ 110.800201] 0 pages HighMem/MovableOnly [ 110.804172] 328417 pages reserved