[....] Starting enhanced syslogd: rsyslogd[ 13.194167] audit: type=1400 audit(1517144845.215:5): avc: denied { syslog } for pid=3534 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.674321] audit: type=1400 audit(1517144851.696:6): avc: denied { map } for pid=3673 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 25.946395] audit: type=1400 audit(1517144857.968:7): avc: denied { map } for pid=3687 comm="syzkaller298150" path="/root/syzkaller298150606" 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 [ 27.354422] syzkaller298150 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 27.368043] syzkaller298150 cpuset=/ mems_allowed=0 [ 27.373268] CPU: 1 PID: 3689 Comm: syzkaller298150 Not tainted 4.15.0-rc9+ #193 [ 27.380692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.390020] Call Trace: [ 27.392585] dump_stack+0x194/0x257 [ 27.396187] ? arch_local_irq_restore+0x53/0x53 [ 27.400833] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.406004] dump_header+0x28c/0xe1e [ 27.409695] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.414861] ? pagefault_out_of_memory+0x152/0x152 [ 27.419764] ? print_irqtrace_events+0x270/0x270 [ 27.424496] ? __lock_acquire+0x664/0x3e00 [ 27.428708] ? check_noncircular+0x20/0x20 [ 27.432930] ? check_noncircular+0x20/0x20 [ 27.437134] ? task_will_free_mem+0x252/0xaa0 [ 27.441607] ? print_irqtrace_events+0x270/0x270 [ 27.446341] ? ___ratelimit+0x30d/0x630 [ 27.450289] ? lock_downgrade+0x980/0x980 [ 27.454421] ? lock_release+0xa40/0xa40 [ 27.458386] ? mark_held_locks+0xaf/0x100 [ 27.462510] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 27.467585] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.472573] ? trace_hardirqs_on+0xd/0x10 [ 27.476695] ? ___ratelimit+0x95/0x630 [ 27.480556] ? idr_get_free_cmn+0xfd0/0xfd0 [ 27.484852] ? check_noncircular+0x20/0x20 [ 27.489054] ? find_held_lock+0x138/0x1d0 [ 27.493184] oom_kill_process+0x8b5/0x14a0 [ 27.497393] ? has_ns_capability_noaudit+0x163/0x2a0 [ 27.502479] ? lock_downgrade+0x980/0x980 [ 27.506600] ? oom_evaluate_task+0x480/0x480 [ 27.510991] ? security_capable_noaudit+0x8b/0xc0 [ 27.515816] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 27.520889] ? has_capability+0x30/0x30 [ 27.524837] ? do_raw_spin_trylock+0x190/0x190 [ 27.529392] ? check_noncircular+0x20/0x20 [ 27.533606] ? has_capability_noaudit+0x24/0x30 [ 27.538248] ? oom_badness+0xd1/0x980 [ 27.542016] ? lock_release+0xa40/0xa40 [ 27.545960] ? do_try_to_free_pages+0xc53/0x1020 [ 27.550696] ? find_lock_task_mm+0x460/0x460 [ 27.555086] ? find_held_lock+0x35/0x1d0 [ 27.559121] ? out_of_memory+0xb3a/0x1220 [ 27.563239] ? lock_downgrade+0x980/0x980 [ 27.567360] ? lock_release+0xa40/0xa40 [ 27.571312] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 27.576220] ? oom_evaluate_task+0x284/0x480 [ 27.580606] out_of_memory+0x86d/0x1220 [ 27.584649] ? oom_killer_disable+0x310/0x310 [ 27.589112] ? mutex_trylock+0x23a/0x2d0 [ 27.593143] ? __lock_is_held+0xb6/0x140 [ 27.597176] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 27.602621] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 27.607476] ? warn_alloc+0x2b0/0x2b0 [ 27.611256] ? trace_hardirqs_off+0xd/0x10 [ 27.615468] ? switch_mm_irqs_off+0x7cb/0x15f0 [ 27.620034] ? mark_held_locks+0xaf/0x100 [ 27.624162] ? _raw_spin_unlock_irq+0x27/0x70 [ 27.628636] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.633627] ? trace_hardirqs_on+0xd/0x10 [ 27.637745] ? _raw_spin_unlock_irq+0x27/0x70 [ 27.642212] ? finish_task_switch+0x1d3/0x740 [ 27.646674] ? finish_task_switch+0x1aa/0x740 [ 27.651155] ? __schedule+0x8f3/0x2060 [ 27.655032] ? __lock_is_held+0xb6/0x140 [ 27.659076] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 27.664939] ? __might_sleep+0x95/0x190 [ 27.668888] __alloc_pages_nodemask+0x9fb/0xd80 [ 27.673537] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 27.678524] ? retint_kernel+0x10/0x10 [ 27.682385] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.687373] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 27.692107] ? __lock_is_held+0xb6/0x140 [ 27.696155] ? rcu_note_context_switch+0x710/0x710 [ 27.701063] alloc_pages_current+0xb6/0x1e0 [ 27.705360] __vmalloc_node_range+0x409/0x650 [ 27.709835] ? xt_alloc_table_info+0x64/0xe0 [ 27.714211] __vmalloc_node_flags_caller+0x50/0x60 [ 27.719111] ? xt_alloc_table_info+0x64/0xe0 [ 27.723498] kvmalloc_node+0x82/0xd0 [ 27.727183] xt_alloc_table_info+0x64/0xe0 [ 27.731390] compat_do_replace.isra.14+0x17f/0x720 [ 27.736294] ? cred_has_capability+0x1a0/0x3d0 [ 27.740852] ? compat_do_ip6t_get_ctl+0xc60/0xc60 [ 27.745663] ? wait_for_completion+0x770/0x770 [ 27.750213] ? find_held_lock+0x35/0x1d0 [ 27.754249] ? module_unload_free+0x5b0/0x5b0 [ 27.758714] ? lock_acquire+0x1d5/0x580 [ 27.762673] ? ns_capable_common+0xcf/0x160 [ 27.766971] compat_do_ip6t_set_ctl+0x106/0x150 [ 27.771614] compat_nf_setsockopt+0x88/0x130 [ 27.775989] ? compat_do_replace.isra.14+0x720/0x720 [ 27.781064] compat_ipv6_setsockopt+0x13a/0x1e0 [ 27.785704] compat_udpv6_setsockopt+0x45/0x80 [ 27.790263] compat_sock_common_setsockopt+0xb2/0x140 [ 27.795422] ? udpv6_destroy_sock+0x190/0x190 [ 27.799893] compat_SyS_setsockopt+0x17c/0x410 [ 27.804443] ? sock_common_setsockopt+0xd0/0xd0 [ 27.809084] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 27.813811] ? do_fast_syscall_32+0x156/0xf9d [ 27.818280] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 27.823017] do_fast_syscall_32+0x3ee/0xf9d [ 27.827315] ? do_int80_syscall_32+0x9d0/0x9d0 [ 27.831869] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 27.836600] ? syscall_return_slowpath+0x2ad/0x550 [ 27.841503] ? prepare_exit_to_usermode+0x340/0x340 [ 27.846490] ? retint_user+0x18/0x18 [ 27.850179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.855000] entry_SYSENTER_compat+0x54/0x63 [ 27.859379] RIP: 0023:0xf7f8ac79 [ 27.862711] RSP: 002b:00000000ffed15fc EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 27.870387] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000029 [ 27.877626] RDX: 0000000000000040 RSI: 0000000020019c48 RDI: 00000000000003b8 [ 27.884870] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 27.892110] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 27.899350] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 27.906719] Mem-Info: [ 27.910565] active_anon:7863 inactive_anon:62 isolated_anon:0 [ 27.910565] active_file:13 inactive_file:14 isolated_file:1 [ 27.910565] unevictable:0 dirty:0 writeback:0 unstable:0 [ 27.910565] slab_reclaimable:7373 slab_unreclaimable:82357 [ 27.910565] mapped:3 shmem:70 pagetables:362 bounce:0 [ 27.910565] free:24258 free_pcp:30 free_cma:0 [ 27.948934] Node 0 active_anon:31452kB inactive_anon:248kB active_file:52kB 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: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 27.981732] 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 [ 28.007900] lowmem_reserve[]: 0 2868 6378 6378 [ 28.012482] Node 0 DMA32 free:44092kB min:30320kB low:37900kB high:45480kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2940052kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 28.039637] lowmem_reserve[]: 0 0 3510 3510 [ 28.044414] Node 0 Normal free:37032kB min:37096kB low:46368kB high:55640kB active_anon:31452kB inactive_anon:248kB active_file:72kB inactive_file:24kB unevictable:0kB writepending:0kB present:4718592kB managed:3594340kB mlocked:0kB kernel_stack:3136kB pagetables:1448kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 28.073096] lowmem_reserve[]: 0 0 0 0 [ 28.076914] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 28.090781] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 2*32kB (UM) 3*64kB (M) 4*128kB (UM) 3*256kB (UM) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 8*4096kB (M) = 44092kB [ 28.106229] Node 0 Normal: 514*4kB (M) 480*8kB (UM) 290*16kB (M) 130*32kB (M) 61*64kB (M) 36*128kB (M) 36*256kB (M) 9*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37032kB [ 28.121197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 28.129831] 97 total pagecache pages [ 28.133549] 0 pages in swap cache [ 28.137023] Swap cache stats: add 0, delete 0, find 0/0 [ 28.142372] Free swap = 0kB [ 28.145376] Total swap = 0kB [ 28.148378] 1965979 pages RAM [ 28.151469] 0 pages HighMem/MovableOnly [ 28.155428] 328404 pages reserved [ 28.158910] Unreclaimable slab info: [ 28.162648] Name Used Total [ 28.168204] hashtab_node 118KB 119KB [ 28.173564] ebitmap_node 389KB 389KB [ 28.179417] avtab_node 1012KB 1013KB [ 28.184787] TIPC 1KB 7KB [ 28.190169] SCTPv6 2KB 4KB [ 28.195670] DCCPv6 2KB 7KB [ 28.201035] DCCP 2KB 6KB [ 28.206404] fib6_nodes 0KB 4KB [ 28.211763] ip6_dst_cache 7KB 7KB [ 28.217118] RAWv6 9KB 13KB [ 28.222475] UDPv6 28KB 28KB [ 28.227828] TCPv6 2KB 5KB [ 28.233197] sd_ext_cdb 0KB 3KB [ 28.238555] scsi_sense_cache 79KB 144KB [ 28.243912] virtio_scsi_cmd 16KB 16KB [ 28.249272] sgpool-128 8KB 8KB [ 28.254630] sgpool-64 4KB 6KB [ 28.259990] sgpool-32 61KB 63KB [ 28.265349] sgpool-16 21KB 22KB [ 28.270711] sgpool-8 164KB 165KB [ 28.276071] cfq_io_cq 15KB 19KB [ 28.281427] cfq_queue 27KB 27KB [ 28.286800] mqueue_inode_cache 1KB 7KB [ 28.292248] nfs_commit_data 3KB 7KB [ 28.297636] nfs_write_data 34KB 37KB [ 28.303031] jbd2_inode 1KB 3KB [ 28.308415] ext4_system_zone 0KB 3KB [ 28.314256] bio-1 1KB 3KB [ 28.319623] rpc_buffers 17KB 19KB [ 28.324975] rpc_tasks 2KB 3KB [ 28.330332] UNIX 773KB 773KB [ 28.335685] tcp_bind_bucket 0KB 4KB [ 28.341052] ip_fib_trie 0KB 3KB [ 28.346402] ip_fib_alias 0KB 3KB [ 28.351764] ip_dst_cache 4KB 7KB [ 28.357124] RAW 5KB 7KB [ 28.362475] UDP 31KB 31KB [ 28.367830] request_sock_TCP 0KB 3KB [ 28.373180] TCP 15KB 15KB [ 28.378533] hugetlbfs_inode_cache 1KB 7KB [ 28.384250] eventpoll_pwq 10KB 11KB [ 28.389617] eventpoll_epi 19KB 27KB [ 28.394977] inotify_inode_mark 3KB 7KB [ 28.400433] request_queue 76KB 158KB [ 28.405806] blkdev_ioc 23KB 23KB [ 28.411164] bio-0 277KB 277KB [ 28.416515] biovec-(1<<(21-12)) 495KB 495KB [ 28.422044] biovec-64 102KB 102KB [ 28.427403] biovec-16 10KB 18KB [ 28.432758] bio_integrity_payload 0KB 4KB [ 28.438462] khugepaged_mm_slot 2KB 3KB [ 28.444398] uid_cache 3KB 3KB [ 28.449759] dmaengine-unmap-2 0KB 3KB [ 28.455115] audit_buffer 0KB 3KB [ 28.460468] skbuff_fclone_cache 146KB 146KB [ 28.465996] skbuff_head_cache 1702KB 1702KB [ 28.471353] configfs_dir_cache 0KB 4KB [ 28.476798] file_lock_cache 166KB 166KB [ 28.482159] file_lock_ctx 1KB 3KB [ 28.487533] fsnotify_mark_connector 2KB 3KB [ 28.493412] shmem_inode_cache 1050KB 1050KB [ 28.498770] task_delay_info 330KB 332KB [ 28.504134] sigqueue 367KB 374KB [ 28.509527] kernfs_node_cache 2301KB 2303KB [ 28.514898] mnt_cache 15KB 20KB [ 28.520252] filp 8511KB 8921KB [ 28.525607] names_cache 111248KB 111286KB [ 28.530966] avc_node 37KB 43KB [ 28.536323] selinux_file_security 435KB 496KB [ 28.542024] selinux_inode_security 1972KB 1972KB [ 28.547816] key_jar 3KB 7KB [ 28.553168] nsproxy 0KB 3KB [ 28.558533] vm_area_struct 18724KB 18724KB [ 28.563889] mm_struct 4540KB 4546KB [ 28.569244] fs_cache 428KB 428KB [ 28.574600] files_cache 1605KB 1605KB [ 28.580438] signal_cache 2558KB 2558KB [ 28.585799] sighand_cache 238KB 346KB [ 28.591156] task_struct 10890KB 10890KB [ 28.596515] cred_jar 2364KB 2364KB [ 28.601870] anon_vma_chain 7859KB 7859KB [ 28.607229] anon_vma 176KB 354KB [ 28.612597] pid 224KB 232KB [ 28.617964] Acpi-Operand 116KB 170KB [ 28.623326] Acpi-ParseExt 0KB 3KB [ 28.628685] Acpi-Parse 0KB 7KB [ 28.634043] Acpi-State 0KB 11KB [ 28.639396] Acpi-Namespace 19KB 23KB [ 28.644752] numa_policy 0KB 3KB [ 28.650110] debug_objects_cache 527KB 528KB [ 28.655636] trace_event_file 148KB 151KB [ 28.660988] ftrace_event_field 258KB 259KB [ 28.666428] pool_workqueue 24KB 24KB [ 28.671812] page->ptl 3103KB 3103KB [ 28.677179] kmalloc-262144 1032KB 1032KB [ 28.682534] kmalloc-131072 650KB 650KB [ 28.687899] kmalloc-65536 264KB 264KB [ 28.693286] kmalloc-32768 825KB 825KB [ 28.698687] kmalloc-16384 181KB 181KB [ 28.704114] kmalloc-8192 470KB 470KB [ 28.709470] kmalloc-4096 7021KB 7059KB [ 28.715640] kmalloc-2048 3270KB 3270KB [ 28.721040] kmalloc-1024 3591KB 3591KB [ 28.726419] kmalloc-512 2782KB 2782KB [ 28.731801] kmalloc-256 2012KB 2471KB [ 28.737183] kmalloc-128 432KB 535KB [ 28.742563] kmalloc-96 287KB 384KB [ 28.747944] kmalloc-64 707KB 800KB [ 28.753325] kmalloc-32 1893KB 2205KB [ 28.758766] kmalloc-192 226KB 296KB [ 28.764152] kmem_cache 102KB 105KB [ 28.769530] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 28.778186] [ 1841] 0 1841 5385 173 90112 0 -1000 udevd [ 28.786401] [ 3378] 0 3378 2493 573 61440 0 0 dhclient [ 28.794802] [ 3534] 0 3534 14246 109 118784 0 0 rsyslogd [ 28.803194] [ 3585] 0 3585 4725 51 81920 0 0 cron [ 28.811238] [ 3593] 0 3593 3736 45 69632 0 0 mcstransd [ 28.819733] [ 3609] 0 3609 12927 1227 131072 0 0 restorecond [ 28.828390] [ 3635] 0 3635 12490 152 135168 0 -1000 sshd [ 28.836449] [ 3659] 0 3659 3694 41 73728 0 0 getty [ 28.844598] [ 3660] 0 3660 3694 42 77824 0 0 getty [ 28.852756] [ 3661] 0 3661 3694 41 73728 0 0 getty [ 28.860899] [ 3662] 0 3662 3694 39 77824 0 0 getty [ 28.869053] [ 3663] 0 3663 3694 39 77824 0 0 getty [ 28.877228] [ 3664] 0 3664 3694 41 73728 0 0 getty [ 28.885404] [ 3665] 0 3665 3649 39 77824 0 0 getty [ 28.893580] [ 3668] 0 3668 5681 456 86016 0 -1000 udevd [ 28.901752] [ 3669] 0 3669 5681 456 86016 0 -1000 udevd [ 28.909931] [ 3685] 0 3685 17821 196 188416 0 0 sshd [ 28.918043] [ 3687] 0 3687 238 1 28672 0 0 syzkaller298150 [ 28.927080] [ 3688] 0 3688 4333 520 32768 0 0 syzkaller298150 [ 28.936124] [ 3689] 0 3689 4333 520 32768 0 0 syzkaller298150 [ 28.945162] [ 3690] 0 3690 4333 520 32768 0 0 syzkaller298150 [ 28.954216] [ 3691] 0 3691 4333 520 32768 0 0 syzkaller298150 [ 28.963253] [ 3692] 0 3692 4333 520 32768 0 0 syzkaller298150 [ 28.972293] [ 3693] 0 3693 4333 520 32768 0 0 syzkaller298150 [ 28.981334] [ 3694] 0 3694 4333 520 32768 0 0 syzkaller298150 [ 28.990378] [ 3695] 0 3695 4333 520 32768 0 0 syzkaller298150 [ 28.999414] Out of memory: Kill process 3609 (restorecond) score 0 or sacrifice child [ 29.008647] Killed process 3609 (restorecond) total-vm:51708kB, anon-rss:4908kB, file-rss:0kB, shmem-rss:0kB [ 29.096537] syzkaller298150 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 29.110090] syzkaller298150 cpuset=/ mems_allowed=0 [ 29.115120] CPU: 0 PID: 3692 Comm: syzkaller298150 Not tainted 4.15.0-rc9+ #193 [ 29.122537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.131858] Call Trace: [ 29.134427] dump_stack+0x194/0x257 [ 29.138046] ? arch_local_irq_restore+0x53/0x53 [ 29.142715] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.147914] dump_header+0x28c/0xe1e [ 29.151630] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.156809] ? print_irqtrace_events+0x270/0x270 [ 29.161571] ? pagefault_out_of_memory+0x152/0x152 [ 29.166497] ? check_noncircular+0x20/0x20 [ 29.170727] ? print_irqtrace_events+0x270/0x270 [ 29.175482] ? __lock_acquire+0x664/0x3e00 [ 29.179719] ? check_noncircular+0x20/0x20 [ 29.183961] ? find_held_lock+0x35/0x1d0 [ 29.188029] ? check_noncircular+0x20/0x20 [ 29.192254] ? task_will_free_mem+0x252/0xaa0 [ 29.196752] ? print_irqtrace_events+0x270/0x270 [ 29.201514] ? ___ratelimit+0x30d/0x630 [ 29.205486] ? lock_downgrade+0x980/0x980 [ 29.209636] ? lock_release+0xa40/0xa40 [ 29.213625] ? mark_held_locks+0xaf/0x100 [ 29.217772] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 29.222873] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.227884] ? trace_hardirqs_on+0xd/0x10 [ 29.232029] ? ___ratelimit+0x95/0x630 [ 29.235913] ? idr_get_free_cmn+0xfd0/0xfd0 [ 29.240227] ? check_noncircular+0x20/0x20 [ 29.244451] ? find_held_lock+0x138/0x1d0 [ 29.248607] oom_kill_process+0x8b5/0x14a0 [ 29.252847] ? has_ns_capability_noaudit+0x163/0x2a0 [ 29.257949] ? lock_downgrade+0x980/0x980 [ 29.262098] ? oom_evaluate_task+0x480/0x480 [ 29.266532] ? security_capable_noaudit+0x8b/0xc0 [ 29.271377] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 29.276481] ? has_capability+0x30/0x30 [ 29.280447] ? do_raw_spin_trylock+0x190/0x190 [ 29.285023] ? check_noncircular+0x20/0x20 [ 29.289263] ? has_capability_noaudit+0x24/0x30 [ 29.293931] ? oom_badness+0xd1/0x980 [ 29.297723] ? lock_release+0xa40/0xa40 [ 29.301688] ? do_try_to_free_pages+0xc53/0x1020 [ 29.306444] ? find_lock_task_mm+0x460/0x460 [ 29.310856] ? find_held_lock+0x35/0x1d0 [ 29.314924] ? out_of_memory+0xb3a/0x1220 [ 29.319070] ? lock_downgrade+0x980/0x980 [ 29.323218] ? lock_release+0xa40/0xa40 [ 29.327186] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 29.332120] ? oom_evaluate_task+0x284/0x480 [ 29.336532] out_of_memory+0x86d/0x1220 [ 29.340516] ? oom_killer_disable+0x310/0x310 [ 29.345001] ? mutex_trylock+0x23a/0x2d0 [ 29.349059] ? __lock_is_held+0xb6/0x140 [ 29.353112] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 29.358578] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 29.363468] ? warn_alloc+0x2b0/0x2b0 [ 29.367272] ? print_irqtrace_events+0x270/0x270 [ 29.372030] ? check_noncircular+0x20/0x20 [ 29.376260] ? switched_to_fair+0xb0/0xb0 [ 29.380410] ? __enqueue_entity+0x109/0x1e0 [ 29.384732] ? mark_held_locks+0xaf/0x100 [ 29.388873] ? retint_kernel+0x10/0x10 [ 29.392757] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.397769] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.402530] ? retint_kernel+0x10/0x10 [ 29.406460] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 29.412357] ? __might_sleep+0x95/0x190 [ 29.416339] __alloc_pages_nodemask+0x9fb/0xd80 [ 29.421010] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 29.426028] ? __sched_text_start+0x8/0x8 [ 29.430179] ? retint_kernel+0x10/0x10 [ 29.435040] ? __lock_is_held+0xb6/0x140 [ 29.439096] ? __vmalloc_node_range+0x4b7/0x650 [ 29.443818] ? rcu_note_context_switch+0x710/0x710 [ 29.448770] alloc_pages_current+0xb6/0x1e0 [ 29.453098] __vmalloc_node_range+0x409/0x650 [ 29.457607] ? xt_alloc_table_info+0x64/0xe0 [ 29.462011] __vmalloc_node_flags_caller+0x50/0x60 [ 29.466940] ? xt_alloc_table_info+0x64/0xe0 [ 29.471346] kvmalloc_node+0x82/0xd0 [ 29.475062] xt_alloc_table_info+0x64/0xe0 [ 29.479296] compat_do_replace.isra.14+0x17f/0x720 [ 29.484238] ? cred_has_capability+0x1a0/0x3d0 [ 29.488840] ? compat_do_ip6t_get_ctl+0xc60/0xc60 [ 29.493675] ? wait_for_completion+0x770/0x770 [ 29.498250] ? find_held_lock+0x35/0x1d0 [ 29.502317] ? module_unload_free+0x5b0/0x5b0 [ 29.506809] ? lock_acquire+0x1d5/0x580 [ 29.510803] ? ns_capable_common+0xcf/0x160 [ 29.515130] compat_do_ip6t_set_ctl+0x106/0x150 [ 29.519804] compat_nf_setsockopt+0x88/0x130 [ 29.524204] ? compat_do_replace.isra.14+0x720/0x720 [ 29.529309] compat_ipv6_setsockopt+0x13a/0x1e0 [ 29.533979] compat_udpv6_setsockopt+0x45/0x80 [ 29.538568] compat_sock_common_setsockopt+0xb2/0x140 [ 29.543751] ? udpv6_destroy_sock+0x190/0x190 [ 29.548247] compat_SyS_setsockopt+0x17c/0x410 [ 29.552821] ? sock_common_setsockopt+0xd0/0xd0 [ 29.557498] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 29.562264] ? do_fast_syscall_32+0x156/0xf9d [ 29.566765] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 29.571518] do_fast_syscall_32+0x3ee/0xf9d [ 29.575842] ? do_int80_syscall_32+0x9d0/0x9d0 [ 29.580416] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.585176] ? syscall_return_slowpath+0x2ad/0x550 [ 29.590104] ? prepare_exit_to_usermode+0x340/0x340 [ 29.595118] ? retint_user+0x18/0x18 [ 29.598839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.603689] entry_SYSENTER_compat+0x54/0x63 [ 29.608086] RIP: 0023:0xf7f8ac79 [ 29.611437] RSP: 002b:00000000ffed15fc EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 29.619139] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000029 [ 29.626399] RDX: 0000000000000040 RSI: 0000000020019c48 RDI: 00000000000003b8 [ 29.633659] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 29.640921] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 29.648183] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.655618] Mem-Info: [ 29.672277] active_anon:6633 inactive_anon:62 isolated_anon:0 [ 29.672277] active_file:30 inactive_file:0 isolated_file:0 [ 29.672277] unevictable:0 dirty:0 writeback:0 unstable:0 [ 29.672277] slab_reclaimable:7373 slab_unreclaimable:82357 [ 29.672277] mapped:3 shmem:70 pagetables:335 bounce:0 [ 29.672277] free:24262 free_pcp:228 free_cma:0 [ 29.705642] Node 0 active_anon:26532kB inactive_anon:248kB active_file:116kB inactive_file:60kB 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 [ 29.736597] 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 [ 29.764315] lowmem_reserve[]: 0 2868 6378 6378 [ 29.769771] Node 0 DMA32 free:44092kB min:30320kB low:37900kB high:45480kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2940052kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 29.797732] lowmem_reserve[]: 0 0 3510 3510 [ 29.802114] Node 0 Normal free:36956kB min:37096kB low:46368kB high:55640kB active_anon:26532kB inactive_anon:248kB active_file:84kB inactive_file:24kB unevictable:0kB writepending:0kB present:4718592kB managed:3594340kB mlocked:0kB kernel_stack:3104kB pagetables:1340kB bounce:0kB free_pcp:880kB local_pcp:108kB free_cma:0kB [ 29.830963] lowmem_reserve[]: 0 0 0 0 [ 29.834814] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 29.848464] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 2*32kB (UM) 3*64kB (M) 4*128kB (UM) 3*256kB (UM) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 8*4096kB (M) = 44092kB [ 29.863945] Node 0 Normal: 489*4kB (UM) 477*8kB (UM) 291*16kB (UMH) 202*32kB (UMH) 74*64kB (UMH) 34*128kB (UMH) 33*256kB (UMH) 5*512kB (UMH) 0*1024kB 0*2048kB 0*4096kB = 36988kB [ 29.880036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 29.888633] 97 total pagecache pages [ 29.892379] 0 pages in swap cache [ 29.895851] Swap cache stats: add 0, delete 0, find 0/0 [ 29.901263] Free swap = 0kB [ 29.904296] Total swap = 0kB [ 29.907327] 1965979 pages RAM [ 29.910448] 0 pages HighMem/MovableOnly [ 29.914443] 328404 pages reserved [ 29.917909] Unreclaimable slab info: [ 29.921639] Name Used Total [ 29.927200] hashtab_node 118KB 119KB [ 29.932589] ebitmap_node 388KB 389KB [ 29.937973] avtab_node 1012KB 1013KB [ 29.943374] TIPC 1KB 7KB [ 29.948797] SCTPv6 2KB 4KB [ 29.954191] DCCPv6 2KB 7KB [ 29.959581] DCCP 2KB 6KB [ 29.964989] fib6_nodes 0KB 4KB [ 29.970413] ip6_dst_cache 7KB 7KB [ 29.976200] RAWv6 9KB 13KB [ 29.981596] UDPv6 26KB 28KB [ 29.986988] TCPv6 2KB 5KB [ 29.992416] sd_ext_cdb 0KB 3KB [ 29.997794] scsi_sense_cache 76KB 140KB [ 30.003148] virtio_scsi_cmd 16KB 16KB [ 30.008503] sgpool-128 8KB 8KB [ 30.013854] sgpool-64 4KB 6KB [ 30.019205] sgpool-32 61KB 63KB [ 30.024560] sgpool-16 21KB 22KB [ 30.029910] sgpool-8 163KB 165KB [ 30.035271] cfq_io_cq 15KB 19KB [ 30.040623] cfq_queue 23KB 27KB [ 30.045976] mqueue_inode_cache 1KB 7KB [ 30.051417] nfs_commit_data 3KB 7KB [ 30.056768] nfs_write_data 34KB 37KB [ 30.062121] jbd2_inode 1KB 3KB [ 30.067476] ext4_system_zone 0KB 3KB [ 30.072834] bio-1 1KB 3KB [ 30.078192] rpc_buffers 17KB 19KB [ 30.083553] rpc_tasks 2KB 3KB [ 30.088917] UNIX 773KB 773KB [ 30.094278] tcp_bind_bucket 0KB 4KB [ 30.099644] ip_fib_trie 0KB 3KB [ 30.104999] ip_fib_alias 0KB 3KB [ 30.110368] ip_dst_cache 4KB 7KB [ 30.115723] RAW 5KB 7KB [ 30.121076] UDP 29KB 31KB [ 30.126431] request_sock_TCP 0KB 3KB [ 30.131786] TCP 10KB 15KB [ 30.137142] hugetlbfs_inode_cache 1KB 7KB [ 30.142846] eventpoll_pwq 10KB 11KB [ 30.148201] eventpoll_epi 19KB 27KB [ 30.153555] inotify_inode_mark 3KB 7KB [ 30.159000] request_queue 76KB 158KB [ 30.164386] blkdev_ioc 21KB 23KB [ 30.169749] bio-0 276KB 277KB [ 30.175101] biovec-(1<<(21-12)) 495KB 495KB [ 30.180634] biovec-64 96KB 102KB [ 30.185988] biovec-16 10KB 18KB [ 30.191350] bio_integrity_payload 0KB 4KB [ 30.197077] khugepaged_mm_slot 1KB 3KB [ 30.202527] uid_cache 2KB 3KB [ 30.207884] dmaengine-unmap-2 0KB 3KB [ 30.213235] audit_buffer 0KB 3KB [ 30.218587] skbuff_fclone_cache 145KB 146KB [ 30.224115] skbuff_head_cache 1700KB 1702KB [ 30.229468] configfs_dir_cache 0KB 4KB [ 30.234910] file_lock_cache 164KB 166KB [ 30.240265] file_lock_ctx 1KB 3KB [ 30.245634] fsnotify_mark_connector 2KB 3KB [ 30.251520] shmem_inode_cache 1050KB 1050KB [ 30.256881] task_delay_info 325KB 332KB [ 30.262239] sigqueue 367KB 374KB [ 30.267593] kernfs_node_cache 2301KB 2303KB [ 30.272948] mnt_cache 15KB 20KB [ 30.278303] filp 8498KB 8913KB [ 30.283662] names_cache 111231KB 111269KB [ 30.289030] avc_node 37KB 43KB [ 30.294390] selinux_file_security 433KB 496KB [ 30.300097] selinux_inode_security 1970KB 1972KB [ 30.305893] key_jar 3KB 7KB [ 30.311249] nsproxy 0KB 3KB [ 30.316611] vm_area_struct 18720KB 18724KB [ 30.321983] mm_struct 4537KB 4546KB [ 30.327341] fs_cache 427KB 428KB [ 30.332705] files_cache 1602KB 1605KB [ 30.338061] signal_cache 2554KB 2558KB [ 30.343417] sighand_cache 224KB 346KB [ 30.348772] task_struct 10884KB 10890KB [ 30.354122] cred_jar 2360KB 2364KB [ 30.359475] anon_vma_chain 7856KB 7859KB [ 30.364828] anon_vma 166KB 354KB [ 30.370178] pid 223KB 232KB [ 30.375530] Acpi-Operand 116KB 170KB [ 30.380882] Acpi-ParseExt 0KB 3KB [ 30.386234] Acpi-Parse 0KB 7KB [ 30.391586] Acpi-State 0KB 11KB [ 30.396952] Acpi-Namespace 19KB 23KB [ 30.402309] numa_policy 0KB 3KB [ 30.407662] debug_objects_cache 525KB 528KB [ 30.413211] trace_event_file 148KB 151KB [ 30.418579] ftrace_event_field 258KB 259KB [ 30.424034] pool_workqueue 24KB 24KB [ 30.429389] page->ptl 3101KB 3103KB [ 30.434767] kmalloc-262144 1032KB 1032KB [ 30.440139] kmalloc-131072 650KB 650KB [ 30.445507] kmalloc-65536 264KB 264KB [ 30.450866] kmalloc-32768 825KB 825KB [ 30.456219] kmalloc-16384 181KB 181KB [ 30.461589] kmalloc-8192 470KB 470KB [ 30.466951] kmalloc-4096 7004KB 7042KB [ 30.472309] kmalloc-2048 3270KB 3270KB [ 30.477664] kmalloc-1024 3589KB 3591KB [ 30.483026] kmalloc-512 2782KB 2782KB [ 30.488380] kmalloc-256 2005KB 2471KB [ 30.493733] kmalloc-128 423KB 535KB [ 30.499088] kmalloc-96 287KB 384KB [ 30.504441] kmalloc-64 704KB 800KB [ 30.509795] kmalloc-32 1890KB 2205KB [ 30.515157] kmalloc-192 225KB 292KB [ 30.520512] kmem_cache 102KB 105KB [ 30.525866] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 30.534460] [ 1841] 0 1841 5385 173 90112 0 -1000 udevd [ 30.542606] [ 3378] 0 3378 2493 573 61440 0 0 dhclient [ 30.551023] [ 3534] 0 3534 14246 109 118784 0 0 rsyslogd [ 30.559457] [ 3585] 0 3585 4725 51 81920 0 0 cron [ 30.567518] [ 3593] 0 3593 3736 45 69632 0 0 mcstransd [ 30.576042] [ 3635] 0 3635 12490 152 135168 0 -1000 sshd [ 30.584111] [ 3659] 0 3659 3694 41 73728 0 0 getty [ 30.592251] [ 3660] 0 3660 3694 42 77824 0 0 getty [ 30.600388] [ 3661] 0 3661 3694 41 73728 0 0 getty [ 30.608524] [ 3662] 0 3662 3694 39 77824 0 0 getty [ 30.616677] [ 3663] 0 3663 3694 39 77824 0 0 getty [ 30.624817] [ 3664] 0 3664 3694 41 73728 0 0 getty [ 30.632953] [ 3665] 0 3665 3649 39 77824 0 0 getty [ 30.641091] [ 3668] 0 3668 5681 456 86016 0 -1000 udevd [ 30.649229] [ 3669] 0 3669 5681 456 86016 0 -1000 udevd [ 30.657367] [ 3685] 0 3685 17821 196 188416 0 0 sshd [ 30.665429] [ 3687] 0 3687 238 1 28672 0 0 syzkaller298150 [ 30.674436] [ 3688] 0 3688 4333 520 32768 0 0 syzkaller298150 [ 30.683444] [ 3689] 0 3689 4333 520 32768 0 0 syzkaller298150 [ 30.692454] [ 3690] 0 3690 4333 520 32768 0 0 syzkaller298150 [ 30.701460] [ 3691] 0 3691 4333 520 32768 0 0 syzkaller298150 [ 30.710464] [ 3692] 0 3692 4333 520 32768 0 0 syzkaller298150 [ 30.719474] [ 3693] 0 3693 4333 520 32768 0 0 syzkaller298150 [ 30.728489] [ 3694] 0 3694 4333 520 32768 0 0 syzkaller298150 [ 30.737497] [ 3695] 0 3695 4333 520 32768 0 0 syzkaller298150 [ 30.746504] Out of memory: Kill process 3378 (dhclient) score 0 or sacrifice child [ 30.754465] Killed process 3378 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 30.767839] syzkaller298150 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 30.781316] syzkaller298150 cpuset=/ mems_allowed=0 [ 30.786364] CPU: 0 PID: 3692 Comm: syzkaller298150 Not tainted 4.15.0-rc9+ #193 [ 30.793790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.803116] Call Trace: [ 30.805683] dump_stack+0x194/0x257 [ 30.809289] ? arch_local_irq_restore+0x53/0x53 [ 30.813939] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.819114] dump_header+0x28c/0xe1e [ 30.822810] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.827975] ? print_irqtrace_events+0x270/0x270 [ 30.832712] ? pagefault_out_of_memory+0x152/0x152 [ 30.837615] ? check_noncircular+0x20/0x20 [ 30.841825] ? print_irqtrace_events+0x270/0x270 [ 30.846564] ? __lock_acquire+0x664/0x3e00 [ 30.850779] ? check_noncircular+0x20/0x20 [ 30.854996] ? find_held_lock+0x35/0x1d0 [ 30.859054] ? check_noncircular+0x20/0x20 [ 30.863271] ? task_will_free_mem+0x252/0xaa0 [ 30.867749] ? print_irqtrace_events+0x270/0x270 [ 30.872489] ? ___ratelimit+0x30d/0x630 [ 30.876444] ? lock_downgrade+0x980/0x980 [ 30.880571] ? lock_release+0xa40/0xa40 [ 30.884527] ? mark_held_locks+0xaf/0x100 [ 30.888653] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 30.893733] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.898728] ? trace_hardirqs_on+0xd/0x10 [ 30.902857] ? ___ratelimit+0x95/0x630 [ 30.906722] ? idr_get_free_cmn+0xfd0/0xfd0 [ 30.911027] ? check_noncircular+0x20/0x20 [ 30.915244] ? find_held_lock+0x138/0x1d0 [ 30.919382] oom_kill_process+0x8b5/0x14a0 [ 30.923599] ? has_ns_capability_noaudit+0x163/0x2a0 [ 30.928678] ? lock_downgrade+0x980/0x980 [ 30.932807] ? oom_evaluate_task+0x480/0x480 [ 30.937213] ? security_capable_noaudit+0x8b/0xc0 [ 30.942037] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 30.947117] ? has_capability+0x30/0x30 [ 30.951066] ? do_raw_spin_trylock+0x190/0x190 [ 30.955628] ? check_noncircular+0x20/0x20 [ 30.959847] ? has_capability_noaudit+0x24/0x30 [ 30.964491] ? oom_badness+0xd1/0x980 [ 30.968268] ? lock_release+0xa40/0xa40 [ 30.972216] ? do_try_to_free_pages+0xc53/0x1020 [ 30.976949] ? find_lock_task_mm+0x460/0x460 [ 30.981339] ? find_held_lock+0x35/0x1d0 [ 30.985383] ? out_of_memory+0xb3a/0x1220 [ 30.989510] ? lock_downgrade+0x980/0x980 [ 30.993639] ? lock_release+0xa40/0xa40 [ 30.997589] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 31.002501] ? oom_evaluate_task+0x284/0x480 [ 31.006892] out_of_memory+0x86d/0x1220 [ 31.010851] ? oom_killer_disable+0x310/0x310 [ 31.015322] ? mutex_trylock+0x23a/0x2d0 [ 31.019368] ? __lock_is_held+0xb6/0x140 [ 31.023407] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 31.028844] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 31.033690] ? warn_alloc+0x2b0/0x2b0 [ 31.037475] ? print_irqtrace_events+0x270/0x270 [ 31.042228] ? check_noncircular+0x20/0x20 [ 31.046450] ? switched_to_fair+0xb0/0xb0 [ 31.050576] ? __enqueue_entity+0x109/0x1e0 [ 31.054881] ? mark_held_locks+0xaf/0x100 [ 31.059005] ? retint_kernel+0x10/0x10 [ 31.062876] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.067872] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.072610] ? retint_kernel+0x10/0x10 [ 31.076485] ? __lock_is_held+0xb6/0x140 [ 31.080536] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 31.086406] ? __might_sleep+0x95/0x190 [ 31.090363] __alloc_pages_nodemask+0x9fb/0xd80 [ 31.095022] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 31.100024] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.104767] ? retint_kernel+0x10/0x10 [ 31.108637] ? __lock_is_held+0xb6/0x140 [ 31.112691] ? rcu_note_context_switch+0x710/0x710 [ 31.117603] alloc_pages_current+0xb6/0x1e0 [ 31.121908] __vmalloc_node_range+0x409/0x650 [ 31.126390] ? xt_alloc_table_info+0x64/0xe0 [ 31.130773] __vmalloc_node_flags_caller+0x50/0x60 [ 31.135678] ? xt_alloc_table_info+0x64/0xe0 [ 31.140067] kvmalloc_node+0x82/0xd0 [ 31.143762] xt_alloc_table_info+0x64/0xe0 [ 31.147978] compat_do_replace.isra.14+0x17f/0x720 [ 31.152882] ? cred_has_capability+0x1a0/0x3d0 [ 31.157446] ? compat_do_ip6t_get_ctl+0xc60/0xc60 [ 31.162265] ? wait_for_completion+0x770/0x770 [ 31.166820] ? find_held_lock+0x35/0x1d0 [ 31.170865] ? module_unload_free+0x5b0/0x5b0 [ 31.175336] ? lock_acquire+0x1d5/0x580 [ 31.179303] ? ns_capable_common+0xcf/0x160 [ 31.183607] compat_do_ip6t_set_ctl+0x106/0x150 [ 31.188273] compat_nf_setsockopt+0x88/0x130 [ 31.192656] ? compat_do_replace.isra.14+0x720/0x720 [ 31.197750] compat_ipv6_setsockopt+0x13a/0x1e0 [ 31.202398] compat_udpv6_setsockopt+0x45/0x80 [ 31.206961] compat_sock_common_setsockopt+0xb2/0x140 [ 31.212123] ? udpv6_destroy_sock+0x190/0x190 [ 31.216598] compat_SyS_setsockopt+0x17c/0x410 [ 31.221154] ? sock_common_setsockopt+0xd0/0xd0 [ 31.225805] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 31.230539] ? do_fast_syscall_32+0x156/0xf9d [ 31.235017] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 31.239750] do_fast_syscall_32+0x3ee/0xf9d [ 31.244059] ? do_int80_syscall_32+0x9d0/0x9d0 [ 31.248621] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.253359] ? syscall_return_slowpath+0x2ad/0x550 [ 31.258264] ? prepare_exit_to_usermode+0x340/0x340 [ 31.263267] ? retint_user+0x18/0x18 [ 31.266981] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.271811] entry_SYSENTER_compat+0x54/0x63 [ 31.276194] RIP: 0023:0xf7f8ac79 [ 31.279532] RSP: 002b:00000000ffed15fc EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 31.287216] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000029 [ 31.294468] RDX: 0000000000000040 RSI: 0000000020019c48 RDI: 00000000000003b8 [ 31.301713] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 31.308956] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 31.316198] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 31.323606] Mem-Info: [ 31.327854] active_anon:6083 inactive_anon:62 isolated_anon:0 [ 31.327854] active_file:13 inactive_file:14 isolated_file:0 [ 31.327854] unevictable:0 dirty:0 writeback:0 unstable:0 [ 31.327854] slab_reclaimable:7373 slab_unreclaimable:82337 [ 31.327854] mapped:3 shmem:70 pagetables:335 bounce:0 [ 31.327854] free:24258 free_pcp:191 free_cma:0 [ 31.361723] Node 0 active_anon:24332kB inactive_anon:248kB active_file:52kB 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: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 31.390396] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 31.416637] lowmem_reserve[]: 0 2868 6378 6378 [ 31.421267] Node 0 DMA32 free:44092kB min:30320kB low:37900kB high:45480kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2940052kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 31.448461] lowmem_reserve[]: 0 0 3510 3510 [ 31.452815] Node 0 Normal free:37032kB min:37096kB low:46368kB high:55640kB active_anon:24332kB inactive_anon:248kB active_file:152kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3594340kB mlocked:0kB kernel_stack:3072kB pagetables:1340kB bounce:0kB free_pcp:768kB local_pcp:644kB free_cma:0kB [ 31.482161] lowmem_reserve[]: 0 0 0 0 [ 31.486042] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 31.499703] Node 0 DMA32: 3*4kB (M) 2*8kB (UM) 2*16kB (M) 2*32kB (UM) 3*64kB (M) 4*128kB (UM) 3*256kB (UM) 3*512kB (UM) 4*1024kB (UM) 2*2048kB (UM) 8*4096kB (M) = 44092kB [ 31.515201] Node 0 Normal: 446*4kB (UM) 406*8kB (MH) 281*16kB (UMH) 215*32kB (UMH) 86*64kB (UMH) 39*128kB (MH) 32*256kB (UMH) 4*512kB (UMH) 0*1024kB 0*2048kB 0*4096kB = 37144kB [ 31.531205] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 31.539791] 97 total pagecache pages [ 31.543526] 0 pages in swap cache [ 31.547004] Swap cache stats: add 0, delete 0, find 0/0 [ 31.552404] Free swap = 0kB [ 31.555436] Total swap = 0kB [ 31.558468] 1965979 pages RAM [ 31.561588] 0 pages HighMem/MovableOnly [ 31.565580] 328404 pages reserved [ 31.569047] Unreclaimable slab info: [ 31.572777] Name Used Total [ 31.578336] hashtab_node 118KB 119KB [ 31.583721] ebitmap_node 388KB 389KB [ 31.589104] avtab_node 1012KB 1013KB [ 31.594506] TIPC 1KB 7KB [ 31.599900] SCTPv6 2KB 4KB [ 31.605293] DCCPv6 2KB 7KB [ 31.611467] DCCP 2KB 6KB [ 31.616865] fib6_nodes 0KB 4KB [ 31.622249] ip6_dst_cache 7KB 7KB [ 31.627670] RAWv6 9KB 13KB [ 31.633431] UDPv6 26KB 28KB [ 31.639586] TCPv6 2KB 5KB [ 31.645487] sd_ext_cdb 0KB 3KB [ 31.650863] scsi_sense_cache 76KB 140KB [ 31.656216] virtio_scsi_cmd 16KB 16KB [ 31.661573] sgpool-128 8KB 8KB [ 31.666926] sgpool-64 4KB 6KB [ 31.672279] sgpool-32 61KB 63KB [ 31.677633] sgpool-16 21KB 22KB [ 31.682986] sgpool-8 163KB 165KB [ 31.688344] cfq_io_cq 15KB 19KB [ 31.693709] cfq_queue 23KB 27KB [ 31.699064] mqueue_inode_cache 1KB 7KB [ 31.704516] nfs_commit_data 3KB 7KB [ 31.709869] nfs_write_data 34KB 37KB [ 31.715292] jbd2_inode 1KB 3KB [ 31.720682] ext4_system_zone 0KB 3KB [ 31.726050] bio-1 1KB 3KB [ 31.731409] rpc_buffers 17KB 19KB [ 31.736762] rpc_tasks 2KB 3KB [ 31.742114] UNIX 773KB 773KB [ 31.747895] tcp_bind_bucket 0KB 4KB [ 31.753657] ip_fib_trie 0KB 3KB [ 31.759351] ip_fib_alias 0KB 3KB [ 31.764754] ip_dst_cache 4KB 7KB [ 31.770140] RAW 5KB 7KB [ 31.775530] UDP 29KB 31KB [ 31.780902] request_sock_TCP 0KB 3KB [ 31.786278] TCP 10KB 15KB [ 31.791668] hugetlbfs_inode_cache 1KB 7KB [ 31.797390] eventpoll_pwq 10KB 11KB [ 31.802772] eventpoll_epi 19KB 27KB [ 31.808155] inotify_inode_mark 3KB 7KB [ 31.813631] request_queue 76KB 158KB [ 31.818994] blkdev_ioc 21KB 23KB [ 31.824382] bio-0 281KB 281KB [ 31.829753] biovec-(1<<(21-12)) 495KB 495KB [ 31.835319] biovec-64 96KB 102KB [ 31.840687] biovec-16 10KB 18KB [ 31.846061] bio_integrity_payload 0KB 4KB [ 31.851780] khugepaged_mm_slot 1KB 3KB [ 31.857248] uid_cache 2KB 3KB [ 31.862631] dmaengine-unmap-2 0KB 3KB [ 31.868385] audit_buffer 0KB 3KB [ 31.873780] skbuff_fclone_cache 145KB 146KB [ 31.879346] skbuff_head_cache 1702KB 1702KB [ 31.885253] configfs_dir_cache 0KB 4KB [ 31.890738] file_lock_cache 164KB 166KB [ 31.896129] file_lock_ctx 1KB 3KB [ 31.901522] fsnotify_mark_connector 2KB 3KB [ 31.907447] shmem_inode_cache 1050KB 1050KB [ 31.912835] task_delay_info 325KB 332KB [ 31.918234] sigqueue 371KB 374KB [ 31.923633] kernfs_node_cache 2301KB 2303KB [ 31.929042] mnt_cache 15KB 20KB [ 31.934423] filp 8430KB 8846KB [ 31.939791] names_cache 110619KB 110657KB [ 31.945157] avc_node 37KB 43KB [ 31.950535] selinux_file_security 431KB 496KB [ 31.956250] selinux_inode_security 1970KB 1972KB [ 31.962055] key_jar 3KB 7KB [ 31.967420] nsproxy 0KB 3KB [ 31.972786] vm_area_struct 18720KB 18724KB [ 31.978152] mm_struct 4537KB 4546KB [ 31.983516] fs_cache 427KB 428KB [ 31.988879] files_cache 1602KB 1605KB [ 31.994242] signal_cache 2554KB 2558KB [ 31.999604] sighand_cache 224KB 346KB [ 32.004969] task_struct 10884KB 10890KB [ 32.010330] cred_jar 2360KB 2364KB [ 32.015700] anon_vma_chain 7856KB 7859KB [ 32.021480] anon_vma 166KB 354KB [ 32.026886] pid 223KB 232KB [ 32.032277] Acpi-Operand 116KB 170KB [ 32.037669] Acpi-ParseExt 0KB 3KB [ 32.043053] Acpi-Parse 0KB 7KB [ 32.048436] Acpi-State 0KB 11KB [ 32.053823] Acpi-Namespace 19KB 23KB [ 32.059210] numa_policy 0KB 3KB [ 32.064592] debug_objects_cache 525KB 528KB [ 32.070147] trace_event_file 148KB 151KB [ 32.075533] ftrace_event_field 258KB 259KB [ 32.081032] pool_workqueue 24KB 24KB [ 32.086460] page->ptl 3101KB 3103KB [ 32.093171] kmalloc-262144 1032KB 1032KB [ 32.099379] kmalloc-131072 650KB 650KB [ 32.105171] kmalloc-65536 264KB 264KB [ 32.110546] kmalloc-32768 825KB 825KB [ 32.115912] kmalloc-16384 181KB 181KB [ 32.121279] kmalloc-8192 470KB 470KB [ 32.126630] kmalloc-4096 6715KB 6753KB [ 32.131981] kmalloc-2048 3270KB 3270KB [ 32.137346] kmalloc-1024 3591KB 3591KB [ 32.142701] kmalloc-512 2782KB 2782KB [ 32.148051] kmalloc-256 1988KB 2460KB [ 32.153853] kmalloc-128 423KB 535KB [ 32.159210] kmalloc-96 294KB 384KB [ 32.164562] kmalloc-64 704KB 800KB [ 32.169916] kmalloc-32 1890KB 2205KB [ 32.175274] kmalloc-192 225KB 292KB [ 32.180626] kmem_cache 102KB 105KB [ 32.185979] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 32.194567] [ 1841] 0 1841 5385 173 90112 0 -1000 udevd [ 32.202706] [ 3534] 0 3534 14246 109 118784 0 0 rsyslogd [ 32.211150] [ 3585] 0 3585 4725 51 81920 0 0 cron [ 32.219250] [ 3593] 0 3593 3736 45 69632 0 0 mcstransd [ 32.227793] [ 3635] 0 3635 12490 152 135168 0 -1000 sshd [ 32.235886] [ 3659] 0 3659 3694 41 73728 0 0 getty [ 32.244054] [ 3660] 0 3660 3694 42 77824 0 0 getty [ 32.252211] [ 3661] 0 3661 3694 41 73728 0 0 getty [ 32.260364] [ 3662] 0 3662 3694 39 77824 0 0 getty [ 32.268511] [ 3663] 0 3663 3694 39 77824 0 0 getty [ 32.276652] [ 3664] 0 3664 3694 41 73728 0 0 getty [ 32.284819] [ 3665] 0 3665 3649 39 77824 0 0 getty [ 32.292966] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 32.301120] [ 3669] 0 3669 5681 456 86016 0 -1000 udevd [ 32.309274] [ 3685] 0 3685 17821 196 188416 0 0 sshd [ 32.317361] [ 3687] 0 3687 238 1 28672 0 0 syzkaller298150 [ 32.326381] [ 3688] 0 3688 4333 520 32768 0 0 syzkaller298150 [ 32.335433] [ 3689] 0 3689 4333 520 32768 0 0 syzkaller298150 [ 32.344456] [ 3690] 0 3690 4333 520 32768 0 0 syzkaller298150 [ 32.353508] [ 3691] 0 3691 4333 520 32768 0 0 syzkaller298150 [ 32.362550] [ 3692] 0 3692 4333 520 32768 0 0 syzkaller298150 [ 32.371580] [ 3693] 0 3693 4333 520 32768 0 0 syzkaller298150 [ 32.380612] [ 3694] 0 3694 4333 520 32768 0 0 syzkaller298150 [ 32.389676] [ 3695] 0 3695 4333 520 32768 0 0 syzkaller298150 [ 32.398708] [ 3696] 0 3696 5681 455 77824 0 -1000 udevd [ 32.406867] Out of memory: Kill process 3688 (syzkaller298150) score 0 or sacrifice child [ 32.416769] Killed process 3688 (syzkaller298150) total-vm:17332kB, anon-rss:2080kB, file-rss:0kB, shmem-rss:0kB [ 32.430142] oom_reaper: reaped process 3688 (syzkaller298150), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 32.441347] syzkaller298150 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 32.454811] syzkaller298150 cpuset=/ mems_allowed=0 [ 32.459848] CPU: 1 PID: 3692 Comm: syzkaller298150 Not tainted 4.15.0-rc9+ #193 [ 32.467270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.476598] Call Trace: [ 32.479162] dump_stack+0x194/0x257 [ 32.482764] ? arch_local_irq_restore+0x53/0x53 [ 32.487408] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.492579] dump_header+0x28c/0xe1e [ 32.496269] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.501447] ? print_irqtrace_events+0x270/0x270 [ 32.506181] ? pagefault_out_of_memory+0x152/0x152 [ 32.511096] ? __lock_acquire+0x664/0x3e00 [ 32.515310] ? check_noncircular+0x20/0x20 [ 32.519524] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 32.524685] ? print_irqtrace_events+0x270/0x270 [ 32.529420] ? find_held_lock+0x35/0x1d0 [ 32.533466] ? check_noncircular+0x20/0x20 [ 32.537674] ? task_will_free_mem+0x252/0xaa0 [ 32.542148] ? print_irqtrace_events+0x270/0x270 [ 32.546883] ? ___ratelimit+0x30d/0x630 [ 32.550832] ? lock_downgrade+0x980/0x980 [ 32.554954] ? lock_release+0xa40/0xa40 [ 32.558905] ? mark_held_locks+0xaf/0x100 [ 32.563032] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 32.568112] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.573102] ? trace_hardirqs_on+0xd/0x10 [ 32.577225] ? ___ratelimit+0x95/0x630 [ 32.581086] ? idr_get_free_cmn+0xfd0/0xfd0 [ 32.585381] ? find_held_lock+0x138/0x1d0 [ 32.589510] oom_kill_process+0x8b5/0x14a0 [ 32.593720] ? lock_downgrade+0x980/0x980 [ 32.597840] ? lock_release+0xa40/0xa40 [ 32.601788] ? find_held_lock+0x35/0x1d0 [ 32.605823] ? oom_evaluate_task+0x480/0x480 [ 32.610208] ? oom_badness+0x21b/0x980 [ 32.614068] ? lock_downgrade+0x980/0x980 [ 32.618189] ? find_lock_task_mm+0x23b/0x460 [ 32.622572] ? task_will_free_mem+0xaa0/0xaa0 [ 32.627048] ? do_raw_spin_trylock+0x190/0x190 [ 32.631602] ? check_noncircular+0x20/0x20 [ 32.635814] ? oom_unkillable_task+0x394/0x4c0 [ 32.640372] ? _raw_spin_unlock+0x22/0x30 [ 32.644491] ? oom_badness+0xd1/0x980 [ 32.648261] ? lock_release+0xa40/0xa40 [ 32.652208] ? do_try_to_free_pages+0xc53/0x1020 [ 32.656938] ? find_lock_task_mm+0x460/0x460 [ 32.661325] ? find_held_lock+0x35/0x1d0 [ 32.665367] ? out_of_memory+0xb3a/0x1220 [ 32.669488] ? lock_downgrade+0x980/0x980 [ 32.673615] ? lock_release+0xa40/0xa40 [ 32.677564] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 32.682475] ? oom_evaluate_task+0x284/0x480 [ 32.686860] out_of_memory+0x86d/0x1220 [ 32.690815] ? oom_killer_disable+0x310/0x310 [ 32.695282] ? mutex_trylock+0x23a/0x2d0 [ 32.699316] ? __lock_is_held+0xb6/0x140 [ 32.703348] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 32.708781] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 32.713624] ? warn_alloc+0x2b0/0x2b0 [ 32.717406] ? print_irqtrace_events+0x270/0x270 [ 32.722139] ? check_noncircular+0x20/0x20 [ 32.726363] ? switched_to_fair+0xb0/0xb0 [ 32.730484] ? __enqueue_entity+0x109/0x1e0 [ 32.734781] ? mark_held_locks+0xaf/0x100 [ 32.738900] ? retint_kernel+0x10/0x10 [ 32.742760] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.747748] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.752482] ? retint_kernel+0x10/0x10 [ 32.756352] ? __lock_is_held+0xb6/0x140 [ 32.760400] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 32.766265] ? __might_sleep+0x95/0x190 [ 32.770217] __alloc_pages_nodemask+0x9fb/0xd80 [ 32.774876] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 32.779877] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.784628] ? retint_kernel+0x10/0x10 [ 32.788491] ? __lock_is_held+0xb6/0x140 [ 32.792537] ? rcu_note_context_switch+0x710/0x710 [ 32.797444] alloc_pages_current+0xb6/0x1e0 [ 32.801743] __vmalloc_node_range+0x409/0x650 [ 32.806222] ? xt_alloc_table_info+0x64/0xe0 [ 32.810607] __vmalloc_node_flags_caller+0x50/0x60 [ 32.815509] ? xt_alloc_table_info+0x64/0xe0 [ 32.819897] kvmalloc_node+0x82/0xd0 [ 32.823586] xt_alloc_table_info+0x64/0xe0 [ 32.827801] compat_do_replace.isra.14+0x17f/0x720 [ 32.832702] ? cred_has_capability+0x1a0/0x3d0 [ 32.837262] ? compat_do_ip6t_get_ctl+0xc60/0xc60 [ 32.842077] ? wait_for_completion+0x770/0x770 [ 32.846628] ? find_held_lock+0x35/0x1d0 [ 32.850665] ? module_unload_free+0x5b0/0x5b0 [ 32.855141] ? lock_acquire+0x1d5/0x580 [ 32.859106] ? ns_capable_common+0xcf/0x160 [ 32.863407] compat_do_ip6t_set_ctl+0x106/0x150 [ 32.868058] compat_nf_setsockopt+0x88/0x130 [ 32.872438] ? compat_do_replace.isra.14+0x720/0x720 [ 32.877516] compat_ipv6_setsockopt+0x13a/0x1e0 [ 32.882163] compat_udpv6_setsockopt+0x45/0x80 [ 32.886722] compat_sock_common_setsockopt+0xb2/0x140 [ 32.891885] ? udpv6_destroy_sock+0x190/0x190 [ 32.896359] compat_SyS_setsockopt+0x17c/0x410 [ 32.900914] ? sock_common_setsockopt+0xd0/0xd0 [ 32.905559] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 32.910290] ? do_fast_syscall_32+0x156/0xf9d [ 32.914771] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 32.919499] do_fast_syscall_32+0x3ee/0xf9d [ 32.923800] ? do_int80_syscall_32+0x9d0/0x9d0 [ 32.928354] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.933092] ? syscall_return_slowpath+0x2ad/0x550 [ 32.937993] ? prepare_exit_to_usermode+0x340/0x340 [ 32.942986] ? retint_user+0x18/0x18 [ 32.946681] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.951502] entry_SYSENTER_compat+0x54/0x63 [ 32.955880] RIP: 0023:0xf7f8ac79 [ 32.959212] RSP: 002b:00000000ffed15fc EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 32.966889] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000029 [ 32.974133] RDX: 0000000000000040 RSI: 0000000020019c48 RDI: 00000000000003b8 [ 32.981376] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 32.988617] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 32.995859] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 33.003198] Mem-Info: [ 33.006418] active_anon:5549 inactive_anon:62 isolated_anon:0 [ 33.006418] active_file:14 inactive_file:15 isolated_file:0 [ 33.006418] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.006418] slab_reclaimable:7374 slab_unreclaimable:81897 [ 33.006418] mapped:3 shmem:70 pagetables:325 bounce:0 [ 33.006418] free:24257 free_pcp:28 free_cma:0 [ 33.038501] Node 0 active_anon:22196kB inactive_anon:248kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 33.062543] syzkaller298150: vmalloc: allocation failure, allocated 773410816 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 33.062554] syzkaller298150 cpuset=/ mems_allowed=0 [ 33.062577] CPU: 0 PID: 3688 Comm: syzkaller298150 Not tainted 4.15.0-rc9+ #193 [ 33.062581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.062583] Call Trace: [ 33.062596] dump_stack+0x194/0x257 [ 33.062609] ? arch_local_irq_restore+0x53/0x53 [ 33.062616] ? idr_get_free_cmn+0xfd0/0xfd0 [ 33.062640] warn_alloc+0x19a/0x2b0 [ 33.062653] ? zone_watermark_ok_safe+0x400/0x400 [ 33.062677] ? rcu_note_context_switch+0x710/0x710 [ 33.062705] __vmalloc_node_range+0x482/0x650 [ 33.062727] ? xt_alloc_table_info+0x64/0xe0 [ 33.062736] __vmalloc_node_flags_caller+0x50/0x60 [ 33.062745] ? xt_alloc_table_info+0x64/0xe0 [ 33.062758] kvmalloc_node+0x82/0xd0 [ 33.062771] xt_alloc_table_info+0x64/0xe0 [ 33.062783] compat_do_replace.isra.14+0x17f/0x720 [ 33.062791] ? cred_has_capability+0x1a0/0x3d0 [ 33.062807] ? compat_do_ip6t_get_ctl+0xc60/0xc60 [ 33.062814] ? wait_for_completion+0x770/0x770 [ 33.062821] ? find_held_lock+0x35/0x1d0 [ 33.062838] ? module_unload_free+0x5b0/0x5b0 [ 33.062846] ? lock_acquire+0x1d5/0x580 [ 33.062877] ? ns_capable_common+0xcf/0x160 [ 33.062893] compat_do_ip6t_set_ctl+0x106/0x150 [ 33.062909] compat_nf_setsockopt+0x88/0x130 [ 33.062916] ? compat_do_replace.isra.14+0x720/0x720 [ 33.062931] compat_ipv6_setsockopt+0x13a/0x1e0 [ 33.062945] compat_udpv6_setsockopt+0x45/0x80 [ 33.062961] compat_sock_common_setsockopt+0xb2/0x140 [ 33.062967] ? udpv6_destroy_sock+0x190/0x190 [ 33.062982] compat_SyS_setsockopt+0x17c/0x410 [ 33.062988] ? sock_common_setsockopt+0xd0/0xd0 [ 33.063006] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 33.063018] ? do_fast_syscall_32+0x156/0xf9d [ 33.063032] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 33.063043] do_fast_syscall_32+0x3ee/0xf9d [ 33.063061] ? do_int80_syscall_32+0x9d0/0x9d0 [ 33.063071] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.063092] ? syscall_return_slowpath+0x2ad/0x550 [ 33.063101] ? prepare_exit_to_usermode+0x340/0x340 [ 33.063112] ? retint_user+0x18/0x18 [ 33.063129] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.063149] entry_SYSENTER_compat+0x54/0x63 [ 33.063154] RIP: 0023:0xf7f8ac79 [ 33.063158] RSP: 002b:00000000ffed15fc EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 33.063166] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000029 [ 33.063170] RDX: 0000000000000040 RSI: 0000000020019c48 RDI: 00000000000003b8 [ 33.063174] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 33.063178] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 33.063181] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 33.063279] Mem-Info: [ 33.063294] active_anon:5549 inactive_anon:62 isolated_anon:0 [ 33.063294] active_file:14 inactive_file:15 isolated_file:0 [ 33.063294] unevictable:0 dirty:0 writeback:0 unstable:0 [ 33.063294] slab_reclaimable:7374 slab_unreclaimable:81897 [ 33.063294] mapped:3 shmem:70 pagetables:325 bounce:0 [ 33.063294] free:15731 free_pcp:60 free_cma:0 [ 33.063307] Node 0 active_anon:22196kB inactive_anon:248kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 33.063310] 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 [ 33.063326] lowmem_reserve[]: 0 2868 6378 6378 [ 33.063338] Node 0 DMA32 free:28592kB min:30320kB low:37900kB high:45480kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2940052kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 33.063354] lowmem_reserve[]: 0 0 3510 3510 [ 33.063366] Node 0 Normal free:18424kB min:37096kB low:46368kB high:55640kB active_anon:22196kB inactive_anon:248kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3594340kB mlocked:0kB kernel_stack:3072kB pagetables:1300kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 33.063383] lowmem_reserve[]: 0 0 0 0 [ 33.063394] 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 [ 33.063446] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (UM) 1*32kB (M) 3*64kB (M) 3*128kB (M) 3*256kB (UM) 3*512kB (UM) 3*1024kB (M) 1*2048kB (M) 5*4096kB (M) = 28592kB [ 33.063503] Node 0 Normal: 258*4kB (MH) 230*8kB (MH) 176*16kB (UMH) 142*32kB (UMH) 52*64kB (UMH) 16*128kB (UMH) 9*256kB (UMH) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 18424kB [ 33.063558] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 33.063561] 99 total pagecache pages [ 33.063569] 0 pages in swap cache [ 33.063573] Swap cache stats: add 0, delete 0, find 0/0 [ 33.063575] Free swap = 0kB [ 33.063578] Total swap = 0kB [ 33.063581] 1965979 pages RAM [ 33.063583] 0 pages HighMem/MovableOnly [ 33.063585] 328404 pages reserved [ 34.396271] 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 [ 34.422486] lowmem_reserve[]: 0 2868 6378 6378 [ 34.427114] Node 0 DMA32 free:43992kB min:30320kB low:37900kB high:45480kB active_anon:0kB inactive_anon:0kB active_file:456kB inactive_file:360kB unevictable:0kB writepending:0kB present:3129332kB managed:2940052kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 34.456082] lowmem_reserve[]: 0 0 3510 3510 [ 34.474240] Node 0 Normal free:36560kB min:37096kB low:46368kB high:55640kB active_anon:22196kB inactive_anon:248kB active_file:28kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3594340kB mlocked:0kB kernel_stack:3072kB pagetables:1300kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 34.502767] lowmem_reserve[]: 0 0 0 0 [ 34.506573] 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 [ 34.520143] Node 0 DMA32: 4*4kB (ME) 3*8kB (UME) 4*16kB (UME) 2*32kB (ME) 209*64kB (UME) 23*128kB (UME) 5*256kB (UME) 4*512kB (UME) 4*1024kB (ME) 2*2048kB (ME) 4*4096kB (M) = 44392kB [ 34.536584] Node 0 Normal: 269*4kB (UME) 237*8kB (UME) 170*16kB (UME) 143*32kB (UME) 318*64kB (UME) 24*128kB (UME) 11*256kB (UME) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 37020kB [ 34.552673] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 34.561236] 115 total pagecache pages [ 34.565027] 0 pages in swap cache [ 34.568468] Swap cache stats: add 0, delete 0, find 0/0 [ 34.573842] Free swap = 0kB [ 34.577097] Total swap = 0kB [ 34.580116] 1965979 pages RAM [ 34.583216] 0 pages HighMem/MovableOnly [ 34.587174] 328404 pages reserved [ 34.590612] Unreclaimable slab info: [ 34.594726] Name Used Total [ 34.600264] hashtab_node 118KB 119KB [ 34.605616] ebitmap_node 387KB 389KB [ 34.610967] avtab_node 1012KB 1013KB [ 34.616325] TIPC 1KB 7KB [ 34.621678] SCTPv6 2KB 4KB [ 34.627035] DCCPv6 2KB 7KB [ 34.632400] DCCP 2KB 6KB [ 34.637766] fib6_nodes 0KB 4KB [ 34.643119] ip6_dst_cache 6KB 7KB [ 34.648504] RAWv6 9KB 13KB [ 34.653863] UDPv6 26KB 28KB [ 34.659238] TCPv6 2KB 5KB [ 34.664600] sd_ext_cdb 0KB 3KB [ 34.669955] scsi_sense_cache 85KB 140KB [ 34.675329] virtio_scsi_cmd 16KB 16KB [ 34.681108] sgpool-128 8KB 8KB [ 34.686483] sgpool-64 4KB 6KB [ 34.691844] sgpool-32 86KB 86KB [ 34.697199] sgpool-16 21KB 22KB [ 34.702549] sgpool-8 172KB 172KB [ 34.707899] cfq_io_cq 22KB 23KB [ 34.713248] cfq_queue 30KB 30KB [ 34.718599] mqueue_inode_cache 1KB 7KB [ 34.724466] nfs_commit_data 3KB 7KB [ 34.729822] nfs_write_data 34KB 37KB [ 34.735177] jbd2_inode 1KB 3KB [ 34.740527] ext4_system_zone 0KB 3KB [ 34.745884] bio-1 1KB 3KB [ 34.751238] rpc_buffers 17KB 19KB [ 34.756589] rpc_tasks 2KB 3KB [ 34.761948] UNIX 773KB 773KB [ 34.767300] tcp_bind_bucket 0KB 4KB [ 34.772653] ip_fib_trie 0KB 3KB [ 34.778018] ip_fib_alias 0KB 3KB [ 34.783369] ip_dst_cache 4KB 7KB [ 34.794727] RAW 5KB 7KB [ 34.805867] UDP 29KB 31KB [ 34.811264] TCP 7KB 15KB [ 34.816651] hugetlbfs_inode_cache 1KB 7KB [ 34.822380] eventpoll_pwq 10KB 11KB [ 34.827759] eventpoll_epi 19KB 27KB [ 34.833150] inotify_inode_mark 3KB 7KB [ 34.838619] request_queue 53KB 135KB [ 34.844004] blkdev_ioc 23KB 23KB [ 34.849405] bio-0 292KB 292KB [ 34.854789] biovec-(1<<(21-12)) 495KB 495KB [ 34.861131] biovec-64 133KB 133KB [ 34.866516] biovec-16 18KB 18KB [ 34.871896] bio_integrity_payload 0KB 4KB [ 34.877622] khugepaged_mm_slot 1KB 3KB [ 34.883092] uid_cache 1KB 3KB [ 34.888476] dmaengine-unmap-2 0KB 3KB [ 34.893904] audit_buffer 0KB 3KB [ 34.901424] skbuff_fclone_cache 145KB 146KB [ 34.907435] skbuff_head_cache 1701KB 1702KB [ 34.912811] configfs_dir_cache 0KB 4KB [ 34.918257] file_lock_cache 163KB 166KB [ 34.923623] file_lock_ctx 1KB 3KB [ 34.928977] fsnotify_mark_connector 2KB 3KB [ 34.934850] shmem_inode_cache 1050KB 1050KB [ 34.940201] task_delay_info 321KB 332KB [ 34.945555] sigqueue 371KB 374KB [ 34.950911] kernfs_node_cache 2301KB 2303KB [ 34.956270] mnt_cache 15KB 20KB [ 34.961630] filp 8416KB 8835KB [ 34.966981] names_cache 110619KB 110640KB [ 34.972333] avc_node 37KB 43KB [ 34.977687] selinux_file_security 430KB 496KB [ 34.983384] selinux_inode_security 1969KB 1972KB [ 34.989169] key_jar 3KB 7KB [ 34.994959] nsproxy 0KB 3KB [ 35.000317] vm_area_struct 18720KB 18724KB [ 35.005666] mm_struct 4535KB 4546KB [ 35.011044] fs_cache 427KB 428KB [ 35.016427] files_cache 1600KB 1605KB [ 35.021793] signal_cache 2551KB 2558KB [ 35.027143] sighand_cache 219KB 339KB [ 35.032494] task_struct 10884KB 10884KB [ 35.037845] cred_jar 2357KB 2364KB [ 35.043196] anon_vma_chain 7854KB 7859KB [ 35.048548] anon_vma 155KB 354KB [ 35.053900] pid 222KB 232KB [ 35.059254] Acpi-Operand 106KB 170KB [ 35.064603] Acpi-Parse 0KB 3KB [ 35.069957] Acpi-State 0KB 7KB [ 35.075311] Acpi-Namespace 19KB 23KB [ 35.080663] numa_policy 0KB 3KB [ 35.086024] debug_objects_cache 525KB 528KB [ 35.091554] trace_event_file 148KB 151KB [ 35.096905] ftrace_event_field 258KB 259KB [ 35.102345] pool_workqueue 24KB 24KB [ 35.107701] page->ptl 3101KB 3103KB [ 35.113069] kmalloc-262144 1032KB 1032KB [ 35.118431] kmalloc-131072 650KB 650KB [ 35.124237] kmalloc-65536 264KB 264KB [ 35.129597] kmalloc-32768 825KB 825KB [ 35.134957] kmalloc-16384 181KB 181KB [ 35.140311] kmalloc-8192 470KB 470KB [ 35.145665] kmalloc-4096 6706KB 6744KB [ 35.151025] kmalloc-2048 3270KB 3270KB [ 35.156379] kmalloc-1024 3630KB 3630KB [ 35.161737] kmalloc-512 2783KB 2786KB [ 35.167092] kmalloc-256 1967KB 2441KB [ 35.172446] kmalloc-128 420KB 535KB [ 35.177797] kmalloc-96 302KB 384KB [ 35.183153] kmalloc-64 704KB 800KB [ 35.188507] kmalloc-32 1888KB 2205KB [ 35.193860] kmalloc-192 201KB 256KB [ 35.199211] kmem_cache 102KB 105KB [ 35.204560] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 35.213244] [ 1841] 0 1841 5385 172 90112 0 -1000 udevd [ 35.221399] [ 3534] 0 3534 14246 159 118784 0 0 rsyslogd [ 35.229803] [ 3585] 0 3585 4725 51 81920 0 0 cron [ 35.237852] [ 3593] 0 3593 3736 45 69632 0 0 mcstransd [ 35.246338] [ 3635] 0 3635 12490 152 135168 0 -1000 sshd [ 35.254390] [ 3659] 0 3659 3694 41 73728 0 0 getty [ 35.263129] [ 3660] 0 3660 3694 42 77824 0 0 getty [ 35.271285] [ 3661] 0 3661 3694 41 73728 0 0 getty [ 35.279437] [ 3662] 0 3662 3694 39 77824 0 0 getty [ 35.287591] [ 3663] 0 3663 3694 39 77824 0 0 getty [ 35.295757] [ 3664] 0 3664 3694 41 73728 0 0 getty [ 35.303906] [ 3665] 0 3665 3649 39 77824 0 0 getty [ 35.312055] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 35.320204] [ 3669] 0 3669 5681 456 86016 0 -1000 udevd [ 35.328365] [ 3685] 0 3685 17821 196 188416 0 0 sshd [ 35.336444] [ 3687] 0 3687 238 1 28672 0 0 syzkaller298150 [ 35.345465] [ 3689] 0 3689 4333 520 32768 0 0 syzkaller298150 [ 35.354488] [ 3690] 0 3690 4333 520 32768 0 0 syzkaller298150 [ 35.363508] [ 3691] 0 3691 4333 520 32768 0 0 syzkaller298150 [ 35.372525] [ 3692] 0 3692 4333 520 32768 0 0 syzkaller298150 [ 35.381540] [ 3693] 0 3693 4333 520 32768 0 0 syzkaller298150 [ 35.390561] [ 3694] 0 3694 4333 520 32768 0 0 syzkaller298150 [ 35.399577] [ 3695] 0 3695 4333 520 32768 0 0 syzkaller298150 [ 35.408595] [ 3696] 0 3696 5681 455 86016 0 -1000 udevd [ 35.416737] Out of memory: Kill process 3689 (syzkaller298150) score 0 or sacrifice child [ 35.425110] Killed process 3689 (syzkaller298150) total-vm:17332kB, anon-rss:2080kB, file-rss:0kB, shmem-rss:0kB [ 35.444698] oom_reaper: reaped process 3689 (syzkaller298150), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 35.528477] syzkaller298150 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 35.542044] syzkaller298150 cpuset=/ mems_allowed=0 [ 35.547103] CPU: 0 PID: 3693 Comm: syzkaller298150 Not tainted 4.15.0-rc9+ #193 [ 35.554531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.563857] Call Trace: [ 35.566422] dump_stack+0x194/0x257 [ 35.570023] ? arch_local_irq_restore+0x53/0x53 [ 35.574666] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.579833] dump_header+0x28c/0xe1e [ 35.583523] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.588768] ? print_irqtrace_events+0x270/0x270 [ 35.593497] ? pagefault_out_of_memory+0x152/0x152 [ 35.598405] ? __lock_acquire+0x664/0x3e00 [ 35.602625] ? check_noncircular+0x20/0x20 [ 35.606835] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.611995] ? print_irqtrace_events+0x270/0x270 [ 35.616721] ? find_held_lock+0x35/0x1d0 [ 35.620758] ? check_noncircular+0x20/0x20 [ 35.624961] ? task_will_free_mem+0x252/0xaa0 [ 35.629430] ? print_irqtrace_events+0x270/0x270 [ 35.634181] ? ___ratelimit+0x30d/0x630 [ 35.638138] ? lock_downgrade+0x980/0x980 [ 35.642260] ? lock_release+0xa40/0xa40 [ 35.646241] ? mark_held_locks+0xaf/0x100 [ 35.650376] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 35.655454] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.660444] ? trace_hardirqs_on+0xd/0x10 [ 35.664564] ? ___ratelimit+0x95/0x630 [ 35.668425] ? idr_get_free_cmn+0xfd0/0xfd0 [ 35.672716] ? find_held_lock+0x138/0x1d0 [ 35.676842] oom_kill_process+0x8b5/0x14a0 [ 35.681051] ? lock_downgrade+0x980/0x980 [ 35.685170] ? lock_release+0xa40/0xa40 [ 35.689118] ? find_held_lock+0x35/0x1d0 [ 35.693151] ? oom_evaluate_task+0x480/0x480 [ 35.697531] ? oom_badness+0x21b/0x980 [ 35.701390] ? lock_downgrade+0x980/0x980 [ 35.705524] ? find_lock_task_mm+0x23b/0x460 [ 35.709921] ? task_will_free_mem+0xaa0/0xaa0 [ 35.714389] ? do_raw_spin_trylock+0x190/0x190 [ 35.718942] ? check_noncircular+0x20/0x20 [ 35.723149] ? oom_unkillable_task+0x394/0x4c0 [ 35.727704] ? _raw_spin_unlock+0x22/0x30 [ 35.731820] ? oom_badness+0xd1/0x980 [ 35.735592] ? lock_release+0xa40/0xa40 [ 35.739540] ? do_try_to_free_pages+0xc53/0x1020 [ 35.744269] ? find_lock_task_mm+0x460/0x460 [ 35.748653] ? find_held_lock+0x35/0x1d0 [ 35.752694] ? out_of_memory+0xb3a/0x1220 [ 35.756815] ? lock_downgrade+0x980/0x980 [ 35.760937] ? lock_release+0xa40/0xa40 [ 35.764887] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 35.769791] ? oom_evaluate_task+0x284/0x480 [ 35.774173] out_of_memory+0x86d/0x1220 [ 35.778124] ? oom_killer_disable+0x310/0x310 [ 35.782589] ? mutex_trylock+0x23a/0x2d0 [ 35.786623] ? __lock_is_held+0xb6/0x140 [ 35.790657] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 35.796089] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 35.800927] ? warn_alloc+0x2b0/0x2b0 [ 35.804726] ? check_noncircular+0x20/0x20 [ 35.808937] ? switched_to_fair+0xb0/0xb0 [ 35.813060] ? __enqueue_entity+0x109/0x1e0 [ 35.817366] ? print_irqtrace_events+0x270/0x270 [ 35.822100] ? finish_task_switch+0x1d3/0x740 [ 35.826592] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 35.832449] ? finish_task_switch+0x1d3/0x740 [ 35.836915] ? finish_task_switch+0x1aa/0x740 [ 35.841391] ? __might_sleep+0x95/0x190 [ 35.845344] __alloc_pages_nodemask+0x9fb/0xd80 [ 35.849989] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 35.854982] ? __sched_text_start+0x8/0x8 [ 35.859103] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.864102] ? mark_held_locks+0xaf/0x100 [ 35.868230] ? retint_kernel+0x10/0x10 [ 35.872093] ? __lock_is_held+0xb6/0x140 [ 35.876143] alloc_pages_current+0xb6/0x1e0 [ 35.880441] __vmalloc_node_range+0x409/0x650 [ 35.884917] ? xt_alloc_table_info+0x64/0xe0 [ 35.889298] __vmalloc_node_flags_caller+0x50/0x60 [ 35.894197] ? xt_alloc_table_info+0x64/0xe0 [ 35.898592] kvmalloc_node+0x82/0xd0 [ 35.902279] xt_alloc_table_info+0x64/0xe0 [ 35.906511] compat_do_replace.isra.14+0x17f/0x720 [ 35.911413] ? cred_has_capability+0x1a0/0x3d0 [ 35.915972] ? compat_do_ip6t_get_ctl+0xc60/0xc60 [ 35.920784] ? wait_for_completion+0x770/0x770 [ 35.925336] ? find_held_lock+0x35/0x1d0 [ 35.929374] ? module_unload_free+0x5b0/0x5b0 [ 35.933841] ? lock_acquire+0x1d5/0x580 [ 35.937801] ? ns_capable_common+0xcf/0x160 [ 35.942112] compat_do_ip6t_set_ctl+0x106/0x150 [ 35.946763] compat_nf_setsockopt+0x88/0x130 [ 35.951143] ? compat_do_replace.isra.14+0x720/0x720 [ 35.956223] compat_ipv6_setsockopt+0x13a/0x1e0 [ 35.960869] compat_udpv6_setsockopt+0x45/0x80 [ 35.965429] compat_sock_common_setsockopt+0xb2/0x140 [ 35.970601] ? udpv6_destroy_sock+0x190/0x190 [ 35.975081] compat_SyS_setsockopt+0x17c/0x410 [ 35.979636] ? sock_common_setsockopt+0xd0/0xd0 [ 35.984280] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 35.989014] ? do_fast_syscall_32+0x156/0xf9d [ 35.993480] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 35.998206] do_fast_syscall_32+0x3ee/0xf9d [ 36.002504] ? do_int80_syscall_32+0x9d0/0x9d0 [ 36.007056] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.011787] ? syscall_return_slowpath+0x2ad/0x550 [ 36.016688] ? prepare_exit_to_usermode+0x340/0x340 [ 36.021677] ? retint_user+0x18/0x18 [ 36.025369] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.030188] entry_SYSENTER_compat+0x54/0x63 [ 36.034565] RIP: 0023:0xf7f8ac79 [ 36.037900] RSP: 002b:00000000ffed15fc EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 36.045578] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000029 [ 36.052824] RDX: 0000000000000040 RSI: 0000000020019c48 RDI: 00000000000003b8 [ 36.060068] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 36.067309] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 36.074552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 36.081930] Mem-Info: [ 36.084470] active_anon:5035 inactive_anon:62 isolated_anon:0 [ 36.084470] active_file:12 inactive_file:17 isolated_file:0 [ 36.084470] unevictable:0 dirty:0 writeback:0 unstable:0 [ 36.084470] slab_reclaimable:7378 slab_unreclaimable:81871 [ 36.084470] mapped:3 shmem:70 pagetables:322 bounce:0 [ 36.084470] free:15740 free_pcp:0 free_cma:0 [ 36.086071] syzkaller298150: vmalloc: allocation failure, allocated 946601984 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 36.086076] syzkaller298150 cpuset=/ mems_allowed=0 [ 36.086092] CPU: 1 PID: 3689 Comm: syzkaller298150 Not tainted 4.15.0-rc9+ #193 [ 36.086096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.086099] Call Trace: [ 36.086114] dump_stack+0x194/0x257 [ 36.086127] ? arch_local_irq_restore+0x53/0x53 [ 36.086133] ? idr_get_free_cmn+0xfd0/0xfd0 [ 36.086159] warn_alloc+0x19a/0x2b0 [ 36.086171] ? zone_watermark_ok_safe+0x400/0x400 [ 36.086196] ? rcu_note_context_switch+0x710/0x710 [ 36.086223] __vmalloc_node_range+0x482/0x650 [ 36.086246] ? xt_alloc_table_info+0x64/0xe0 [ 36.086255] __vmalloc_node_flags_caller+0x50/0x60 [ 36.086264] ? xt_alloc_table_info+0x64/0xe0 [ 36.086277] kvmalloc_node+0x82/0xd0 [ 36.086290] xt_alloc_table_info+0x64/0xe0 [ 36.086302] compat_do_replace.isra.14+0x17f/0x720 [ 36.086311] ? cred_has_capability+0x1a0/0x3d0 [ 36.086332] ? compat_do_ip6t_get_ctl+0xc60/0xc60 [ 36.086340] ? wait_for_completion+0x770/0x770 [ 36.086347] ? find_held_lock+0x35/0x1d0 [ 36.086365] ? module_unload_free+0x5b0/0x5b0 [ 36.086373] ? lock_acquire+0x1d5/0x580 [ 36.086405] ? ns_capable_common+0xcf/0x160 [ 36.086421] compat_do_ip6t_set_ctl+0x106/0x150 [ 36.086437] compat_nf_setsockopt+0x88/0x130 [ 36.086444] ? compat_do_replace.isra.14+0x720/0x720 [ 36.086458] compat_ipv6_setsockopt+0x13a/0x1e0 [ 36.086472] compat_udpv6_setsockopt+0x45/0x80 [ 36.086487] compat_sock_common_setsockopt+0xb2/0x140 [ 36.086494] ? udpv6_destroy_sock+0x190/0x190 [ 36.086509] compat_SyS_setsockopt+0x17c/0x410 [ 36.086516] ? sock_common_setsockopt+0xd0/0xd0 [ 36.086530] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 36.086543] ? do_fast_syscall_32+0x156/0xf9d [ 36.086557] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 36.086567] do_fast_syscall_32+0x3ee/0xf9d [ 36.086586] ? do_int80_syscall_32+0x9d0/0x9d0 [ 36.086595] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.086613] ? syscall_return_slowpath+0x2ad/0x550 [ 36.086622] ? prepare_exit_to_usermode+0x340/0x340 [ 36.086632] ? retint_user+0x18/0x18 [ 36.086648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.086667] entry_SYSENTER_compat+0x54/0x63 [ 36.086673] RIP: 0023:0xf7f8ac79 [ 36.086677] RSP: 002b:00000000ffed15fc EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 36.086684] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000029 [ 36.086688] RDX: 0000000000000040 RSI: 0000000020019c48 RDI: 00000000000003b8 [ 36.086692] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 36.086696] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 36.086700] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 36.086729] Mem-Info: [ 36.086743] active_anon:5035 inactive_anon:62 isolated_anon:0 [ 36.086743] active_file:12 inactive_file:17 isolated_file:0 [ 36.086743] unevictable:0 dirty:0 writeback:0 unstable:0 [ 36.086743] slab_reclaimable:7378 slab_unreclaimable:81871 [ 36.086743] mapped:3 shmem:70 pagetables:322 bounce:0 [ 36.086743] free:15740 free_pcp:0 free_cma:0 [ 36.086756] Node 0 active_anon:20140kB inactive_anon:248kB active_file:48kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 36.086759] 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 [ 36.086775] lowmem_reserve[]: 0 2868 6378 6378 [ 36.086787] Node 0 DMA32 free:28884kB min:30320kB low:37900kB high:45480kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2940052kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 36.086803] lowmem_reserve[]: 0 0 3510 3510 [ 36.086814] Node 0 Normal free:18168kB min:37096kB low:46368kB high:55640kB active_anon:20140kB inactive_anon:248kB active_file:48kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3594340kB mlocked:0kB kernel_stack:3040kB pagetables:1284kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 36.086830] lowmem_reserve[]: 0 0 0 0 [ 36.086842] 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 [ 36.086893] Node 0 DMA32: 5*4kB (UME) 2*8kB (ME) 3*16kB (ME) 2*32kB (ME) 5*64kB (UME) 4*128kB (ME) 5*256kB (UME) 4*512kB (UME) 4*1024kB (ME) 2*2048kB (ME) 4*4096kB (M) = 28884kB [ 36.086950] Node 0 Normal: 268*4kB (UME) 235*8kB (UME) 165*16kB (ME) 139*32kB (UME) 53*64kB (ME) 15*128kB (ME) 9*256kB (UME) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18168kB [ 36.087026] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 36.087029] 99 total pagecache pages [ 36.087037] 0 pages in swap cache [ 36.087041] Swap cache stats: add 0, delete 0, find 0/0 [ 36.087043] Free swap = 0kB [ 36.087046] Total swap = 0kB [ 36.087049] 1965979 pages RAM [ 36.087051] 0 pages HighMem/MovableOnly [ 36.087053] 328404 pages reserved [ 37.249057] Node 0 active_anon:20740kB inactive_anon:248kB active_file:364kB inactive_file:2196kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1412kB dirty:200kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 37.352979] 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 [ 37.379463] lowmem_reserve[]: 0 2868 6378 6378 [ 37.384100] Node 0 DMA32 free:43824kB min:30320kB low:37900kB high:45480kB active_anon:0kB inactive_anon:0kB active_file:100kB inactive_file:184kB unevictable:0kB writepending:296kB present:3129332kB managed:2940052kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 37.411973] lowmem_reserve[]: 0 0 3510 3510 [ 37.416366] Node 0 Normal free:37124kB min:37096kB low:46368kB high:55640kB active_anon:20196kB inactive_anon:248kB active_file:536kB inactive_file:268kB unevictable:0kB writepending:0kB present:4718592kB managed:3594340kB mlocked:0kB kernel_stack:3008kB pagetables:1268kB bounce:0kB free_pcp:276kB local_pcp:0kB free_cma:0kB [ 37.445974] lowmem_reserve[]: 0 0 0 0 [ 37.450269] 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 [ 37.465142] Node 0 DMA32: 15*4kB (UME) 14*8kB (UME) 12*16kB (UME) 2*32kB (UM) 207*64kB (UME) 13*128kB (U) 5*256kB (UE) 4*512kB (UME) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 44268kB [ 37.481964] Node 0 Normal: 218*4kB (M) 175*8kB (UME) 167*16kB (UME) 138*32kB (ME) 54*64kB (UME) 15*128kB (ME) 8*256kB (ME) 22*512kB (U) 3*1024kB (U) 1*2048kB (U) 1*4096kB (U) = 37264kB [ 37.498742] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 37.507368] 144 total pagecache pages [ 37.511197] 0 pages in swap cache [ 37.514664] Swap cache stats: add 0, delete 0, find 0/0 [ 37.520041] Free swap = 0kB [ 37.523070] Total swap = 0kB [ 37.526088] 1965979 pages RAM [ 37.529200] 0 pages HighMem/MovableOnly [ 37.533180] 328404 pages reserved [ 37.536645] Unreclaimable slab info: [ 37.540362] Name Used Total [ 37.545914] hashtab_node 118KB 119KB [ 37.551295] ebitmap_node 387KB 389KB [ 37.556661] avtab_node 1012KB 1013KB [ 37.562042] TIPC 1KB 7KB [ 37.567430] SCTPv6 2KB 4KB [ 37.573188] DCCPv6 2KB 7KB [ 37.578580] DCCP 2KB 6KB [ 37.583992] fib6_nodes 0KB 4KB [ 37.589380] ip6_dst_cache 6KB 7KB [ 37.594769] RAWv6 9KB 13KB [ 37.600152] UDPv6 26KB 28KB [ 37.605538] TCPv6 2KB 5KB [ 37.610943] sd_ext_cdb 0KB 3KB [ 37.616330] scsi_sense_cache 107KB 140KB [ 37.621720] virtio_scsi_cmd 16KB 16KB [ 37.627104] sgpool-128 8KB 8KB [ 37.632469] sgpool-64 4KB 6KB [ 37.637846] sgpool-32 102KB 102KB [ 37.643223] sgpool-16 26KB 26KB [ 37.648606] sgpool-8 221KB 221KB [ 37.653972] cfq_io_cq 21KB 23KB [ 37.659344] cfq_queue 29KB 30KB [ 37.664736] mqueue_inode_cache 1KB 7KB [ 37.670214] nfs_commit_data 3KB 7KB [ 37.675578] nfs_write_data 34KB 37KB [ 37.681408] jbd2_inode 1KB 3KB [ 37.686775] ext4_system_zone 0KB 3KB [ 37.692149] bio-1 1KB 3KB [ 37.697509] rpc_buffers 17KB 19KB [ 37.702863] rpc_tasks 2KB 3KB [ 37.708217] UNIX 773KB 773KB [ 37.713570] tcp_bind_bucket 0KB 4KB [ 37.718926] ip_fib_trie 0KB 3KB [ 37.724280] ip_fib_alias 0KB 3KB [ 37.729717] ip_dst_cache 4KB 7KB [ 37.735092] RAW 5KB 7KB [ 37.740456] UDP 29KB 31KB [ 37.745812] TCP 7KB 15KB [ 37.751162] hugetlbfs_inode_cache 1KB 7KB [ 37.756887] eventpoll_pwq 10KB 11KB [ 37.762265] eventpoll_epi 19KB 27KB [ 37.767646] inotify_inode_mark 3KB 7KB [ 37.773117] request_queue 53KB 135KB [ 37.778498] blkdev_ioc 22KB 23KB [ 37.783877] bio-0 352KB 352KB [ 37.795401] biovec-(1<<(21-12)) 519KB 519KB [ 37.801067] biovec-64 157KB 157KB [ 37.806690] biovec-16 18KB 18KB [ 37.816700] bio_integrity_payload 0KB 4KB [ 37.822440] khugepaged_mm_slot 0KB 3KB [ 37.827896] uid_cache 1KB 3KB [ 37.833250] dmaengine-unmap-2 0KB 3KB [ 37.838600] audit_buffer 0KB 3KB [ 37.843954] skbuff_fclone_cache 145KB 146KB [ 37.849481] skbuff_head_cache 1701KB 1702KB [ 37.854832] configfs_dir_cache 0KB 4KB [ 37.860312] file_lock_cache 163KB 166KB [ 37.865683] file_lock_ctx 1KB 3KB [ 37.871046] fsnotify_mark_connector 2KB 3KB [ 37.876919] shmem_inode_cache 1050KB 1050KB [ 37.882280] task_delay_info 320KB 332KB [ 37.887628] sigqueue 369KB 374KB [ 37.892981] kernfs_node_cache 2301KB 2303KB [ 37.898352] mnt_cache 15KB 20KB [ 37.903703] filp 8410KB 8823KB [ 37.909054] names_cache 110636KB 110640KB [ 37.914409] avc_node 37KB 43KB [ 37.919760] selinux_file_security 429KB 496KB [ 37.925488] selinux_inode_security 1971KB 1972KB [ 37.931295] key_jar 3KB 7KB [ 37.936647] nsproxy 0KB 3KB [ 37.942022] vm_area_struct 18716KB 18724KB [ 37.947372] mm_struct 4546KB 4546KB [ 37.952725] fs_cache 426KB 428KB [ 37.958074] files_cache 1600KB 1605KB [ 37.963425] signal_cache 2550KB 2558KB [ 37.968774] sighand_cache 217KB 339KB [ 37.974127] task_struct 10884KB 10884KB [ 37.979480] cred_jar 2364KB 2364KB [ 37.984833] anon_vma_chain 7860KB 7863KB [ 37.990187] anon_vma 149KB 354KB [ 37.995537] pid 222KB 232KB [ 38.000888] Acpi-Operand 106KB 170KB [ 38.006241] Acpi-Parse 0KB 3KB [ 38.011603] Acpi-State 0KB 7KB [ 38.016964] Acpi-Namespace 19KB 23KB [ 38.022317] numa_policy 0KB 3KB [ 38.027699] debug_objects_cache 524KB 528KB [ 38.033228] trace_event_file 148KB 151KB [ 38.038579] ftrace_event_field 258KB 259KB [ 38.044027] pool_workqueue 24KB 24KB [ 38.049379] page->ptl 3101KB 3103KB [ 38.054742] kmalloc-262144 1032KB 1032KB [ 38.060100] kmalloc-131072 650KB 650KB [ 38.065469] kmalloc-65536 264KB 264KB [ 38.070821] kmalloc-32768 825KB 825KB [ 38.076173] kmalloc-16384 181KB 181KB [ 38.081527] kmalloc-8192 470KB 470KB [ 38.086876] kmalloc-4096 6689KB 6727KB [ 38.092230] kmalloc-2048 3270KB 3270KB [ 38.097584] kmalloc-1024 3835KB 3835KB [ 38.102933] kmalloc-512 2786KB 2786KB [ 38.108288] kmalloc-256 1960KB 2430KB [ 38.113642] kmalloc-128 419KB 535KB [ 38.118996] kmalloc-96 309KB 384KB [ 38.124351] kmalloc-64 700KB 800KB [ 38.129708] kmalloc-32 1885KB 2205KB [ 38.135060] kmalloc-192 201KB 256KB [ 38.140417] kmem_cache 102KB 105KB [ 38.145768] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 38.154356] [ 1841] 0 1841 5385 172 90112 0 -1000 udevd [ 38.162494] [ 3534] 0 3534 14246 117 118784 0 0 rsyslogd [ 38.170890] [ 3585] 0 3585 4725 51 81920 0 0 cron [ 38.178939] [ 3593] 0 3593 3736 45 69632 0 0 mcstransd [ 38.187422] [ 3635] 0 3635 12490 152 135168 0 -1000 sshd [ 38.195475] [ 3659] 0 3659 3694 41 73728 0 0 getty [ 38.203609] [ 3660] 0 3660 3694 42 77824 0 0 getty [ 38.211742] [ 3661] 0 3661 3694 41 73728 0 0 getty [ 38.219883] [ 3662] 0 3662 3694 39 77824 0 0 getty [ 38.228027] [ 3663] 0 3663 3694 39 77824 0 0 getty [ 38.236180] [ 3664] 0 3664 3694 41 73728 0 0 getty [ 38.244335] [ 3665] 0 3665 3649 39 77824 0 0 getty [ 38.252475] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 38.260615] [ 3669] 0 3669 5681 456 86016 0 -1000 udevd [ 38.268757] [ 3685] 0 3685 17821 196 188416 0 0 sshd [ 38.276807] [ 3687] 0 3687 238 1 28672 0 0 syzkaller298150 [ 38.285826] [ 3690] 0 3690 4333 520 32768 0 0 syzkaller298150 [ 38.294830] [ 3691] 0 3691 4333 520 32768 0 0 syzkaller298150 [ 38.303843] [ 3692] 0 3692 4333 520 32768 0 0 syzkaller298150 [ 38.312852] [ 3693] 0 3693 4333 520 32768 0 0 syzkaller298150 [ 38.321858] [ 3694] 0 3694 4333 520 32768 0 0 syzkaller298150 [ 38.330882] [ 3695] 0 3695 4333 520 32768 0 0 syzkaller298150 [ 38.339895] [ 3696] 0 3696 1543 21 53248 0 -1000 modprobe [ 38.348296] Out of memory: Kill process 3690 (syzkaller298150) score 0 or sacrifice child [ 38.356614] Killed process 3690 (syzkaller298150) total-vm:17332kB, anon-rss:2080kB, file-rss:0kB, shmem-rss:0kB [ 38.368167] oom_reaper: reaped process 3690 (syzkaller298150), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 38.576421] syzkaller298150 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 38.589922] syzkaller298150 cpuset=/ mems_allowed=0 [ 38.594953] CPU: 1 PID: 3690 Comm: syzkaller298150 Not tainted 4.15.0-rc9+ #193 [ 38.602369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.611693] Call Trace: [ 38.614256] dump_stack+0x194/0x257 [ 38.617858] ? arch_local_irq_restore+0x53/0x53 [ 38.622503] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 38.627668] dump_header+0x28c/0xe1e [ 38.631356] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 38.636520] ? pagefault_out_of_memory+0x152/0x152 [ 38.641429] ? __lock_acquire+0x664/0x3e00 [ 38.645639] ? check_noncircular+0x20/0x20 [ 38.649853] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 38.655018] ? print_irqtrace_events+0x270/0x270 [ 38.659743] ? find_held_lock+0x35/0x1d0 [ 38.663782] ? check_noncircular+0x20/0x20 [ 38.667988] ? task_will_free_mem+0x252/0xaa0 [ 38.672456] ? print_irqtrace_events+0x270/0x270 [ 38.677189] ? ___ratelimit+0x30d/0x630 [ 38.681137] ? lock_downgrade+0x980/0x980 [ 38.685259] ? lock_release+0xa40/0xa40 [ 38.689209] ? mark_held_locks+0xaf/0x100 [ 38.693331] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 38.698405] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.703393] ? trace_hardirqs_on+0xd/0x10 [ 38.707513] ? ___ratelimit+0x95/0x630 [ 38.711370] ? idr_get_free_cmn+0xfd0/0xfd0 [ 38.715663] ? find_held_lock+0x138/0x1d0 [ 38.719800] oom_kill_process+0x8b5/0x14a0 [ 38.724005] ? lock_downgrade+0x980/0x980 [ 38.728125] ? lock_release+0xa40/0xa40 [ 38.732073] ? find_held_lock+0x35/0x1d0 [ 38.736107] ? oom_evaluate_task+0x480/0x480 [ 38.740490] ? oom_badness+0x21b/0x980 [ 38.744350] ? lock_downgrade+0x980/0x980 [ 38.748469] ? find_lock_task_mm+0x23b/0x460 [ 38.752856] ? task_will_free_mem+0xaa0/0xaa0 [ 38.757327] ? do_raw_spin_trylock+0x190/0x190 [ 38.761881] ? check_noncircular+0x20/0x20 [ 38.766097] ? oom_unkillable_task+0x394/0x4c0 [ 38.770656] ? _raw_spin_unlock+0x22/0x30 [ 38.774777] ? oom_badness+0xd1/0x980 [ 38.778548] ? lock_release+0xa40/0xa40 [ 38.782495] ? find_lock_task_mm+0x460/0x460 [ 38.786881] ? find_held_lock+0x35/0x1d0 [ 38.790921] ? out_of_memory+0xb3a/0x1220 [ 38.795043] ? lock_downgrade+0x980/0x980 [ 38.799166] ? lock_release+0xa40/0xa40 [ 38.803112] ? blocking_notifier_call_chain+0x112/0x190 [ 38.808445] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 38.813363] ? oom_evaluate_task+0x284/0x480 [ 38.817751] out_of_memory+0x86d/0x1220 [ 38.821698] ? find_next_bit+0x27/0x30 [ 38.825562] ? oom_killer_disable+0x310/0x310 [ 38.830032] ? mutex_trylock+0x23a/0x2d0 [ 38.834067] ? __lock_is_held+0xb6/0x140 [ 38.838103] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 38.843537] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 38.848375] ? warn_alloc+0x2b0/0x2b0 [ 38.852159] ? print_irqtrace_events+0x270/0x270 [ 38.856889] ? _raw_spin_unlock_irq+0x27/0x70 [ 38.861358] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.866347] ? trace_hardirqs_on+0xd/0x10 [ 38.870466] ? _raw_spin_unlock_irq+0x27/0x70 [ 38.874936] ? finish_task_switch+0x1d3/0x740 [ 38.879407] ? print_irqtrace_events+0x270/0x270 [ 38.884138] ? print_irqtrace_events+0x270/0x270 [ 38.888867] ? print_irqtrace_events+0x270/0x270 [ 38.893610] ? retint_kernel+0x10/0x10 [ 38.897488] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.902479] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.907222] ? __lock_is_held+0xb6/0x140 [ 38.911267] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 38.917135] ? __might_sleep+0x95/0x190 [ 38.921089] __alloc_pages_nodemask+0x9fb/0xd80 [ 38.925729] ? mark_held_locks+0xaf/0x100 [ 38.929852] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 38.934843] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.939579] ? retint_kernel+0x10/0x10 [ 38.943443] ? __lock_is_held+0xb6/0x140 [ 38.947475] ? __vmalloc_node_range+0x4b7/0x650 [ 38.952126] ? rcu_note_context_switch+0x710/0x710 [ 38.957037] alloc_pages_current+0xb6/0x1e0 [ 38.961333] __vmalloc_node_range+0x409/0x650 [ 38.965809] ? xt_alloc_table_info+0x64/0xe0 [ 38.970188] __vmalloc_node_flags_caller+0x50/0x60 [ 38.975088] ? xt_alloc_table_info+0x64/0xe0 [ 38.979470] kvmalloc_node+0x82/0xd0 [ 38.983157] xt_alloc_table_info+0x64/0xe0 [ 38.987363] compat_do_replace.isra.14+0x17f/0x720 [ 38.992267] ? cred_has_capability+0x1a0/0x3d0 [ 38.996824] ? compat_do_ip6t_get_ctl+0xc60/0xc60 [ 39.001638] ? wait_for_completion+0x770/0x770 [ 39.006191] ? find_held_lock+0x35/0x1d0 [ 39.010231] ? module_unload_free+0x5b0/0x5b0 [ 39.014699] ? lock_acquire+0x1d5/0x580 [ 39.018661] ? ns_capable_common+0xcf/0x160 [ 39.022957] compat_do_ip6t_set_ctl+0x106/0x150 [ 39.027616] compat_nf_setsockopt+0x88/0x130 [ 39.031993] ? compat_do_replace.isra.14+0x720/0x720 [ 39.037077] compat_ipv6_setsockopt+0x13a/0x1e0 [ 39.041720] compat_udpv6_setsockopt+0x45/0x80 [ 39.046279] compat_sock_common_setsockopt+0xb2/0x140 [ 39.051438] ? udpv6_destroy_sock+0x190/0x190 [ 39.055909] compat_SyS_setsockopt+0x17c/0x410 [ 39.060461] ? sock_common_setsockopt+0xd0/0xd0 [ 39.065107] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 39.069837] ? do_fast_syscall_32+0x156/0xf9d [ 39.074306] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 39.079039] do_fast_syscall_32+0x3ee/0xf9d [ 39.083339] ? do_int80_syscall_32+0x9d0/0x9d0 [ 39.087894] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 39.092627] ? syscall_return_slowpath+0x2ad/0x550 [ 39.097528] ? prepare_exit_to_usermode+0x340/0x340 [ 39.102518] ? retint_user+0x18/0x18 [ 39.106208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.111035] entry_SYSENTER_compat+0x54/0x63 [ 39.115416] RIP: 0023:0xf7f8ac79 [ 39.118752] RSP: 002b:00000000ffed15fc EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 39.126431] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000029 [ 39.133672] RDX: 0000000000000040 RSI: 0000000020019c48 RDI: 00000000000003b8 [ 39.140912] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 39.148152] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 39.155392] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 39.162767] Mem-Info: [ 39.165602] active_anon:4543 inactive_anon:62 isolated_anon:0 [ 39.165602] active_file:14 inactive_file:21 isolated_file:0 [ 39.165602] unevictable:0 dirty:0 writeback:0 unstable:0 [ 39.165602] slab_reclaimable:7418 slab_unreclaimable:81971 [ 39.165602] mapped:3 shmem:70 pagetables:308 bounce:0 [ 39.165602] free:15741 free_pcp:7 free_cma:0 [ 39.197591] Node 0 active_anon:18172kB inactive_anon:248kB active_file:56kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 39.224501] 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 [ 39.250642] lowmem_reserve[]: 0 2868 6378 6378 [ 39.255253] Node 0 DMA32 free:28948kB min:30320kB low:37900kB high:45480kB active_anon:60kB inactive_anon:0kB active_file:32kB inactive_file:32kB unevictable:0kB writepending:0kB present:3129332kB managed:2940052kB mlocked:0kB kernel_stack:0kB pagetables:8kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 39.283783] lowmem_reserve[]: 0 0 3510 3510 [ 39.288173] Node 0 Normal free:18108kB min:37096kB low:46368kB high:55640kB active_anon:18112kB inactive_anon:248kB active_file:24kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3594340kB mlocked:0kB kernel_stack:3008kB pagetables:1224kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 39.317990] lowmem_reserve[]: 0 0 0 0 [ 39.321859] 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 [ 39.335638] Node 0 DMA32: 13*4kB (ME) 10*8kB (ME) 11*16kB (UME) 5*32kB (M) 7*64kB (UME) 3*128kB (M) 2*256kB (UE) 3*512kB (ME) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 28948kB [ 39.351735] Node 0 Normal: 259*4kB (UME) 224*8kB (UME) 165*16kB (UME) 136*32kB (ME) 55*64kB (ME) 16*128kB (UME) 9*256kB (UME) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18204kB [ 39.367565] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 39.376160] 105 total pagecache pages [ 39.379979] 0 pages in swap cache [ 39.383467] Swap cache stats: add 0, delete 0, find 0/0 [ 39.388835] Free swap = 0kB [ 39.391844] Total swap = 0kB [ 39.394851] 1965979 pages RAM [ 39.397945] 0 pages HighMem/MovableOnly [ 39.401912] 328404 pages reserved [ 39.405357] Unreclaimable slab info: [ 39.409070] Name Used Total [ 39.414620] hashtab_node 118KB 119KB [ 39.420030] ebitmap_node 387KB 389KB [ 39.425422] avtab_node 1012KB 1013KB [ 39.430819] TIPC 1KB 7KB [ 39.436210] SCTPv6 2KB 4KB [ 39.441597] DCCPv6 2KB 7KB [ 39.446979] DCCP 2KB 6KB [ 39.453193] fib6_nodes 0KB 4KB [ 39.458562] ip6_dst_cache 6KB 7KB [ 39.463925] RAWv6 9KB 13KB [ 39.469305] UDPv6 26KB 28KB [ 39.474674] TCPv6 2KB 5KB [ 39.480068] sd_ext_cdb 0KB 3KB [ 39.485450] scsi_sense_cache 107KB 140KB [ 39.490829] virtio_scsi_cmd 16KB 16KB [ 39.496211] sgpool-128 8KB 8KB [ 39.501592] sgpool-64 4KB 6KB [ 39.506959] sgpool-32 102KB 102KB [ 39.512331] sgpool-16 26KB 26KB [ 39.517702] sgpool-8 221KB 221KB [ 39.523079] cfq_io_cq 21KB 23KB [ 39.528445] cfq_queue 29KB 30KB [ 39.533821] mqueue_inode_cache 1KB 7KB [ 39.539292] nfs_commit_data 3KB 7KB [ 39.544675] nfs_write_data 34KB 37KB [ 39.550056] jbd2_inode 1KB 3KB [ 39.555427] ext4_system_zone 0KB 3KB [ 39.560817] bio-1 1KB 3KB [ 39.566209] rpc_buffers 17KB 19KB [ 39.571585] rpc_tasks 2KB 3KB [ 39.576968] UNIX 773KB 773KB [ 39.582358] tcp_bind_bucket 0KB 4KB [ 39.588284] ip_fib_trie 0KB 3KB [ 39.593657] ip_fib_alias 0KB 3KB [ 39.599054] ip_dst_cache 4KB 7KB [ 39.604427] RAW 5KB 7KB [ 39.609787] UDP 29KB 31KB [ 39.615164] TCP 7KB 15KB [ 39.620532] hugetlbfs_inode_cache 1KB 7KB [ 39.626257] eventpoll_pwq 10KB 11KB [ 39.631623] eventpoll_epi 19KB 27KB [ 39.637000] inotify_inode_mark 3KB 7KB [ 39.642485] request_queue 42KB 113KB [ 39.647846] blkdev_ioc 22KB 23KB [ 39.653224] bio-0 352KB 352KB [ 39.658587] biovec-(1<<(21-12)) 519KB 519KB [ 39.664137] biovec-64 157KB 157KB [ 39.669504] biovec-16 18KB 18KB [ 39.674874] bio_integrity_payload 0KB 4KB [ 39.680603] khugepaged_mm_slot 0KB 3KB [ 39.686075] uid_cache 0KB 3KB [ 39.691458] dmaengine-unmap-2 0KB 3KB [ 39.696835] audit_buffer 0KB 3KB [ 39.702212] skbuff_fclone_cache 145KB 146KB [ 39.707764] skbuff_head_cache 1701KB 1702KB [ 39.716923] configfs_dir_cache 0KB 4KB [ 39.724712] file_lock_cache 163KB 166KB [ 39.730825] file_lock_ctx 1KB 3KB [ 39.736986] fsnotify_mark_connector 2KB 3KB [ 39.742903] shmem_inode_cache 1050KB 1050KB [ 39.748292] task_delay_info 320KB 332KB [ 39.753675] sigqueue 368KB 374KB [ 39.759058] kernfs_node_cache 2301KB 2303KB [ 39.764435] mnt_cache 15KB 20KB [ 39.769813] filp 8382KB 8812KB [ 39.775192] names_cache 110636KB 110640KB [ 39.781999] avc_node 37KB 43KB [ 39.787446] selinux_file_security 426KB 496KB [ 39.793165] selinux_inode_security 1971KB 1972KB [ 39.798952] key_jar 3KB 7KB [ 39.804300] nsproxy 0KB 3KB [ 39.809650] vm_area_struct 18716KB 18724KB [ 39.815019] mm_struct 4546KB 4546KB [ 39.820369] fs_cache 426KB 428KB [ 39.825718] files_cache 1600KB 1605KB [ 39.831068] signal_cache 2550KB 2558KB [ 39.836417] sighand_cache 217KB 339KB [ 39.841779] task_struct 10884KB 10884KB [ 39.847137] cred_jar 2364KB 2364KB [ 39.852486] anon_vma_chain 7860KB 7863KB [ 39.858307] anon_vma 142KB 350KB [ 39.863666] pid 222KB 232KB [ 39.869021] Acpi-Operand 106KB 170KB [ 39.874374] Acpi-State 0KB 3KB [ 39.879725] Acpi-Namespace 19KB 23KB [ 39.885083] numa_policy 0KB 3KB [ 39.890459] debug_objects_cache 524KB 528KB [ 39.896029] trace_event_file 148KB 151KB [ 39.901397] ftrace_event_field 258KB 259KB [ 39.906835] pool_workqueue 24KB 24KB [ 39.912188] page->ptl 3101KB 3103KB [ 39.917550] kmalloc-262144 1032KB 1032KB [ 39.922903] kmalloc-131072 650KB 650KB [ 39.928257] kmalloc-65536 264KB 264KB [ 39.933608] kmalloc-32768 825KB 825KB [ 39.938962] kmalloc-16384 181KB 181KB [ 39.944312] kmalloc-8192 470KB 470KB [ 39.949665] kmalloc-4096 6681KB 6710KB [ 39.955028] kmalloc-2048 3270KB 3270KB [ 39.960381] kmalloc-1024 3835KB 3835KB [ 39.965735] kmalloc-512 2786KB 2786KB [ 39.971086] kmalloc-256 1947KB 2422KB [ 39.976444] kmalloc-128 419KB 535KB [ 39.981798] kmalloc-96 309KB 384KB [ 39.987565] kmalloc-64 700KB 800KB [ 39.992920] kmalloc-32 1879KB 2205KB [ 39.998273] kmalloc-192 201KB 256KB [ 40.003633] kmem_cache 102KB 105KB [ 40.008993] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 40.017590] [ 1841] 0 1841 5385 172 90112 0 -1000 udevd [ 40.025727] [ 3534] 0 3534 14246 117 118784 0 0 rsyslogd [ 40.034120] [ 3585] 0 3585 4725 51 81920 0 0 cron [ 40.042168] [ 3593] 0 3593 3736 45 69632 0 0 mcstransd [ 40.050654] [ 3635] 0 3635 12490 152 135168 0 -1000 sshd [ 40.058707] [ 3659] 0 3659 3694 41 73728 0 0 getty [ 40.066861] [ 3660] 0 3660 3694 42 77824 0 0 getty [ 40.075026] [ 3661] 0 3661 3694 41 73728 0 0 getty [ 40.083170] [ 3662] 0 3662 3694 39 77824 0 0 getty [ 40.091309] [ 3663] 0 3663 3694 39 77824 0 0 getty [ 40.099451] [ 3664] 0 3664 3694 41 73728 0 0 getty [ 40.107594] [ 3665] 0 3665 3649 39 77824 0 0 getty [ 40.115733] [ 3668] 0 3668 5681 455 86016 0 -1000 udevd [ 40.123885] [ 3669] 0 3669 5681 456 86016 0 -1000 udevd [ 40.132044] [ 3685] 0 3685 17821 196 188416 0 0 sshd [ 40.140102] [ 3687] 0 3687 238 1 28672 0 0 syzkaller298150 [ 40.149119] [ 3690] 0 3690 4333 0 28672 0 0 syzkaller298150 [ 40.158141] [ 3691] 0 3691 4333 520 32768 0 0 syzkaller298150 [ 40.167156] [ 3692] 0 3692 4333 520 32768 0 0 syzkaller298150 [ 40.176172] [ 3693] 0 3693 4333 520 32768 0 0 syzkaller298150 [ 40.185188] [ 3694] 0 3694 4333 520 32768 0 0 syzkaller298150 [ 40.194206] [ 3695] 0 3695 4333 520 32768 0 0 syzkaller298150 [ 40.203233] [ 3696] 0 3696 1543 21 53248 0 -1000 modprobe [ 40.211638] Out of memory: Kill process 3691 (syzkaller298150) score 0 or sacrifice child [ 40.220037] Killed process 3691 (syzkaller298150) total-vm:17332kB, anon-rss:2080kB, file-rss:0kB, shmem-rss:0kB [ 40.230445] syzkaller298150: vmalloc: allocation failure, allocated 1026011136 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) [ 40.230996] oom_reaper: reaped process 3691 (syzkaller298150), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 40.253475] syzkaller298150 cpuset=/ mems_allowed=0 [ 40.258511] CPU: 0 PID: 3690 Comm: syzkaller298150 Not tainted 4.15.0-rc9+ #193 [ 40.265927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.275253] Call Trace: [ 40.277816] dump_stack+0x194/0x257 [ 40.281427] ? arch_local_irq_restore+0x53/0x53 [ 40.286066] ? idr_get_free_cmn+0xfd0/0xfd0 [ 40.290371] warn_alloc+0x19a/0x2b0 [ 40.293974] ? zone_watermark_ok_safe+0x400/0x400 [ 40.298796] ? rcu_note_context_switch+0x710/0x710 [ 40.303709] __vmalloc_node_range+0x482/0x650 [ 40.308183] ? xt_alloc_table_info+0x64/0xe0 [ 40.312564] __vmalloc_node_flags_caller+0x50/0x60 [ 40.317469] ? xt_alloc_table_info+0x64/0xe0 [ 40.321852] kvmalloc_node+0x82/0xd0 [ 40.325540] xt_alloc_table_info+0x64/0xe0 [ 40.329748] compat_do_replace.isra.14+0x17f/0x720 [ 40.334650] ? cred_has_capability+0x1a0/0x3d0 [ 40.339210] ? compat_do_ip6t_get_ctl+0xc60/0xc60 [ 40.344024] ? wait_for_completion+0x770/0x770 [ 40.348576] ? find_held_lock+0x35/0x1d0 [ 40.352615] ? module_unload_free+0x5b0/0x5b0 [ 40.357081] ? lock_acquire+0x1d5/0x580 [ 40.361038] ? ns_capable_common+0xcf/0x160 [ 40.365335] compat_do_ip6t_set_ctl+0x106/0x150 [ 40.369979] compat_nf_setsockopt+0x88/0x130 [ 40.374356] ? compat_do_replace.isra.14+0x720/0x720 [ 40.379435] compat_ipv6_setsockopt+0x13a/0x1e0 [ 40.384082] compat_udpv6_setsockopt+0x45/0x80 [ 40.388638] compat_sock_common_setsockopt+0xb2/0x140 [ 40.393795] ? udpv6_destroy_sock+0x190/0x190 [ 40.398264] compat_SyS_setsockopt+0x17c/0x410 [ 40.402815] ? sock_common_setsockopt+0xd0/0xd0 [ 40.407459] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 40.412189] ? do_fast_syscall_32+0x156/0xf9d [ 40.416672] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 40.421409] do_fast_syscall_32+0x3ee/0xf9d [ 40.425708] ? do_int80_syscall_32+0x9d0/0x9d0 [ 40.430259] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.434990] ? syscall_return_slowpath+0x2ad/0x550 [ 40.439900] ? prepare_exit_to_usermode+0x340/0x340 [ 40.444901] ? retint_user+0x18/0x18 [ 40.448591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.453410] entry_SYSENTER_compat+0x54/0x63 [ 40.457789] RIP: 0023:0xf7f8ac79 [ 40.461124] RSP: 002b:00000000ffed15fc EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 40.468811] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000029 [ 40.476052] RDX: 0000000000000040 RSI: 0000000020019c48 RDI: 00000000000003b8 [ 40.483291] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 40.490530] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 40.497770] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 40.505180] Mem-Info: [ 40.505564] syzkaller298150 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=0 [ 40.505569] syzkaller298150 cpuset=/ mems_allowed=0 [ 40.505585] CPU: 1 PID: 3694 Comm: syzkaller298150 Not tainted 4.15.0-rc9+ #193 [ 40.505589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.505591] Call Trace: [ 40.505603] dump_stack+0x194/0x257 [ 40.505616] ? arch_local_irq_restore+0x53/0x53 [ 40.505630] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.505649] dump_header+0x28c/0xe1e [ 40.505666] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.505672] ? print_irqtrace_events+0x270/0x270 [ 40.505686] ? pagefault_out_of_memory+0x152/0x152 [ 40.505709] ? __lock_acquire+0x664/0x3e00 [ 40.505724] ? check_noncircular+0x20/0x20 [ 40.505741] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 40.505747] ? print_irqtrace_events+0x270/0x270 [ 40.505753] ? find_held_lock+0x35/0x1d0 [ 40.505771] ? check_noncircular+0x20/0x20 [ 40.505778] ? task_will_free_mem+0x252/0xaa0 [ 40.505795] ? print_irqtrace_events+0x270/0x270 [ 40.505813] ? ___ratelimit+0x30d/0x630 [ 40.505823] ? lock_downgrade+0x980/0x980 [ 40.505838] ? lock_release+0xa40/0xa40 [ 40.505854] ? mark_held_locks+0xaf/0x100 [ 40.505864] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 40.505876] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.505886] ? trace_hardirqs_on+0xd/0x10 [ 40.505897] ? ___ratelimit+0x95/0x630 [ 40.505908] ? idr_get_free_cmn+0xfd0/0xfd0 [ 40.505918] ? find_held_lock+0x138/0x1d0 [ 40.505937] oom_kill_process+0x8b5/0x14a0 [ 40.505954] ? lock_downgrade+0x980/0x980 [ 40.505964] ? lock_release+0xa40/0xa40 [ 40.505979] ? find_held_lock+0x35/0x1d0 [ 40.505988] ? oom_evaluate_task+0x480/0x480 [ 40.506006] ? oom_badness+0x21b/0x980 [ 40.506016] ? lock_downgrade+0x980/0x980 [ 40.506026] ? find_lock_task_mm+0x23b/0x460 [ 40.506039] ? task_will_free_mem+0xaa0/0xaa0 [ 40.506051] ? do_raw_spin_trylock+0x190/0x190 [ 40.506061] ? check_noncircular+0x20/0x20 [ 40.506071] ? oom_unkillable_task+0x394/0x4c0 [ 40.506085] ? _raw_spin_unlock+0x22/0x30 [ 40.506093] ? oom_badness+0xd1/0x980 [ 40.506099] ? lock_release+0xa40/0xa40 [ 40.506107] ? do_try_to_free_pages+0xc53/0x1020 [ 40.506119] ? find_lock_task_mm+0x460/0x460 [ 40.506135] ? find_held_lock+0x35/0x1d0 [ 40.506154] ? out_of_memory+0xb3a/0x1220 [ 40.506164] ? lock_downgrade+0x980/0x980 [ 40.506177] ? lock_release+0xa40/0xa40 [ 40.506188] ? __alloc_pages_slowpath+0xf8b/0x2d00 [ 40.506207] ? oom_evaluate_task+0x284/0x480 [ 40.506223] out_of_memory+0x86d/0x1220 [ 40.506244] ? oom_killer_disable+0x310/0x310 [ 40.506249] ? mutex_trylock+0x23a/0x2d0 [ 40.506259] ? __lock_is_held+0xb6/0x140 [ 40.506267] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 40.506293] __alloc_pages_slowpath+0x1d1b/0x2d00 [ 40.506343] ? warn_alloc+0x2b0/0x2b0 [ 40.506367] ? print_irqtrace_events+0x270/0x270 [ 40.506377] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.506388] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.506398] ? trace_hardirqs_on+0xd/0x10 [ 40.506406] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.506415] ? finish_task_switch+0x1d3/0x740 [ 40.506420] ? finish_task_switch+0x1aa/0x740 [ 40.506442] ? mark_held_locks+0xaf/0x100 [ 40.506451] ? retint_kernel+0x10/0x10 [ 40.506463] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.506473] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.506531] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 40.506554] ? __might_sleep+0x95/0x190 [ 40.506569] __alloc_pages_nodemask+0x9fb/0xd80 [ 40.506587] ? __alloc_pages_slowpath+0x2d00/0x2d00 [ 40.506599] ? __sched_text_start+0x8/0x8 [ 40.506606] ? retint_kernel+0x10/0x10 [ 40.506617] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.506627] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.506645] ? __lock_is_held+0xb6/0x140 [ 40.506651] ? retint_kernel+0x10/0x10 [ 40.506676] ? rcu_note_context_switch+0x710/0x710 [ 40.506694] alloc_pages_current+0xb6/0x1e0 [ 40.506709] __vmalloc_node_range+0x409/0x650 [ 40.506731] ? xt_alloc_table_info+0x64/0xe0 [ 40.506741] __vmalloc_node_flags_caller+0x50/0x60 [ 40.506750] ? xt_alloc_table_info+0x64/0xe0 [ 40.506762] kvmalloc_node+0x82/0xd0 [ 40.506775] xt_alloc_table_info+0x64/0xe0 [ 40.506787] compat_do_replace.isra.14+0x17f/0x720 [ 40.506795] ? cred_has_capability+0x1a0/0x3d0 [ 40.506811] ? compat_do_ip6t_get_ctl+0xc60/0xc60 [ 40.506818] ? wait_for_completion+0x770/0x770 [ 40.506824] ? find_held_lock+0x35/0x1d0 [ 40.506841] ? module_unload_free+0x5b0/0x5b0 [ 40.506848] ? lock_acquire+0x1d5/0x580 [ 40.506880] ? ns_capable_common+0xcf/0x160 [ 40.506896] compat_do_ip6t_set_ctl+0x106/0x150 [ 40.506912] compat_nf_setsockopt+0x88/0x130 [ 40.506918] ? compat_do_replace.isra.14+0x720/0x720 [ 40.506932] compat_ipv6_setsockopt+0x13a/0x1e0 [ 40.506956] compat_udpv6_setsockopt+0x45/0x80 [ 40.506972] compat_sock_common_setsockopt+0xb2/0x140 [ 40.506978] ? udpv6_destroy_sock+0x190/0x190 [ 40.506993] compat_SyS_setsockopt+0x17c/0x410 [ 40.506999] ? sock_common_setsockopt+0xd0/0xd0 [ 40.507013] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 40.507025] ? do_fast_syscall_32+0x156/0xf9d [ 40.507038] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 40.507049] do_fast_syscall_32+0x3ee/0xf9d [ 40.507068] ? do_int80_syscall_32+0x9d0/0x9d0 [ 40.507076] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.507094] ? syscall_return_slowpath+0x2ad/0x550 [ 40.507104] ? prepare_exit_to_usermode+0x340/0x340 [ 40.507113] ? retint_user+0x18/0x18 [ 40.507130] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.507150] entry_SYSENTER_compat+0x54/0x63 [ 40.507155] RIP: 0023:0xf7f8ac79 [ 40.507159] RSP: 002b:00000000ffed15fc EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 40.507166] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000029 [ 40.507170] RDX: 0000000000000040 RSI: 0000000020019c48 RDI: 00000000000003b8 [ 40.507174] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 40.507178] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 40.507182] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 40.507243] Mem-Info: [ 40.507259] active_anon:4026 inactive_anon:62 isolated_anon:0 [ 40.507259] active_file:13 inactive_file:22 isolated_file:0 [ 40.507259] unevictable:0 dirty:0 writeback:0 unstable:0 [ 40.507259] slab_reclaimable:7418 slab_unreclaimable:81947 [ 40.507259] mapped:3 shmem:70 pagetables:307 bounce:0 [ 40.507259] free:16277 free_pcp:6 free_cma:0 [ 40.507272] Node 0 active_anon:16104kB inactive_anon:248kB active_file:52kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 40.507275] 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 [ 40.507291] lowmem_reserve[]: 0 2868 6378 6378 [ 40.507304] Node 0 DMA32 free:28948kB min:30320kB low:37900kB high:45480kB active_anon:60kB inactive_anon:0kB active_file:20kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2940052kB mlocked:0kB kernel_stack:0kB pagetables:8kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 40.507320] lowmem_reserve[]: 0 0 3510 3510 [ 40.507333] Node 0 Normal free:20252kB min:37096kB low:46368kB high:55640kB active_anon:16044kB inactive_anon:248kB active_file:32kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3594340kB mlocked:0kB kernel_stack:3008kB pagetables:1220kB bounce:0kB free_pcp:24kB local_pcp:24kB free_cma:0kB [ 40.507349] lowmem_reserve[]: 0 0 0 0 [ 40.507361] 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 [ 40.507415] Node 0 DMA32: 13*4kB (ME) 10*8kB (ME) 11*16kB (UME) 5*32kB (M) 7*64kB (UME) 3*128kB (M) 2*256kB (UE) 3*512kB (ME) 5*1024kB (UME) 2*2048kB (ME) 4*4096kB (M) = 28948kB [ 40.507475] Node 0 Normal: 259*4kB (UME) 224*8kB (UME) 165*16kB (UME) 136*32kB (ME) 55*64kB (ME) 16*128kB (UME) 9*256kB (UME) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 20252kB Connection to 10.128.0.9 closed by remote host.