[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 10.937564] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 11.661462] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.169' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 23.625514] lowmemorykiller: Killing 'syz-executor613' (2048) (tgid 2048), adj 1000, [ 23.625514] to free 40kB on behalf of 'kswapd0' (33) because [ 23.625514] cache 36984kB is below limit 65536kB for oom_score_adj 12 [ 23.625514] Free memory is -12972kB above reserved [ 23.638065] lowmemorykiller: Killing 'syz-executor613' (2048) (tgid 2048), adj 1000, [ 23.638065] to free 40kB on behalf of 'syz-executor613' (2053) because [ 23.638065] cache 34284kB is below limit 65536kB for oom_score_adj 12 [ 23.638065] Free memory is -13168kB above reserved [ 23.638092] [ 23.638098] ================================= [ 23.638099] [ INFO: inconsistent lock state ] [ 23.638105] 4.9.194+ #0 Not tainted [ 23.638106] --------------------------------- [ 23.638110] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 23.638116] syz-executor613/2053 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 23.638137] (&mm->mmap_sem){+++++?}, at: [<00000000a7088001>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 23.638148] mark_held_locks+0xb1/0x100 [ 23.638154] lockdep_trace_alloc+0x18c/0x2b0 [ 23.638160] __alloc_pages_nodemask+0x143/0x1a80 [ 23.638167] __pmd_alloc+0x4a/0x330 [ 23.638173] move_page_tables+0xadb/0xd60 [ 23.638190] shift_arg_pages+0x1ae/0x470 [ 23.638196] setup_arg_pages+0x60d/0x7c0 [ 23.638205] load_elf_binary+0xa84/0x4a90 [ 23.638210] search_binary_handler+0x14f/0x700 [ 23.638215] do_execveat_common.isra.0+0xf81/0x1db0 [ 23.638220] do_execve+0x3a/0x50 [ 23.638227] run_init_process+0x33/0x37 [ 23.638232] try_to_run_init_process+0x18/0x48 [ 23.638241] kernel_init+0xf2/0x163 [ 23.638246] ret_from_fork+0x5c/0x70 [ 23.638249] irq event stamp: 542721 [ 23.638256] hardirqs last enabled at (542721): [<00000000da18266e>] vprintk_emit+0x25c/0x6f0 [ 23.638261] hardirqs last disabled at (542720): [<000000005f64c8bc>] vprintk_emit+0x6d/0x6f0 [ 23.638269] softirqs last enabled at (542716): [<0000000007eb5b5f>] __do_softirq+0x474/0x964 [ 23.638275] softirqs last disabled at (542709): [<00000000903598d7>] irq_exit+0x119/0x160 [ 23.638277] [ 23.638277] other info that might help us debug this: [ 23.638279] Possible unsafe locking scenario: [ 23.638279] [ 23.638281] CPU0 [ 23.638282] ---- [ 23.638286] lock(&mm->mmap_sem); [ 23.638288] [ 23.638292] lock(&mm->mmap_sem); [ 23.638293] [ 23.638293] *** DEADLOCK *** [ 23.638293] [ 23.638297] 1 lock held by syz-executor613/2053: [ 23.638310] #0: (shrinker_rwsem){++++..}, at: [<00000000e6b89345>] shrink_slab.part.0+0xb2/0xa20 [ 23.638312] [ 23.638312] stack backtrace: [ 23.638317] CPU: 0 PID: 2053 Comm: syz-executor613 Not tainted 4.9.194+ #0 [ 23.638331] ffff8801cf2bef70 ffffffff81b67001 00000000000000f0 ffff8801d1f40000 [ 23.638340] ffffffff83cb1050 ffff8801d1f408f8 ffffffff84252000 ffff8801cf2befe8 [ 23.638349] ffffffff81408710 0000000000000000 ffffffff00000001 0000000000000001 [ 23.638350] Call Trace: [ 23.638360] [<00000000af721b7a>] dump_stack+0xc1/0x120 [ 23.638369] [<00000000728d2af0>] print_usage_bug.cold+0x452/0x5a2 [ 23.638375] [<0000000007743446>] mark_lock+0x6c7/0x12e0 [ 23.638381] [<00000000d928ccab>] ? print_irq_inversion_bug+0xa0/0xa0 [ 23.638387] [<00000000e6c48cd2>] __lock_acquire+0x5be/0x4390 [ 23.638394] [<0000000090711b8e>] ? trace_hardirqs_on+0x10/0x10 [ 23.638400] [<0000000090711b8e>] ? trace_hardirqs_on+0x10/0x10 [ 23.638408] [<00000000486532df>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 23.638415] [<0000000085dea6c1>] lock_acquire+0x133/0x3d0 [ 23.638421] [<00000000a7088001>] ? get_cmdline+0xa3/0x2d0 [ 23.638427] [<000000008570e40f>] down_read+0x44/0xb0 [ 23.638434] [<00000000a7088001>] ? get_cmdline+0xa3/0x2d0 [ 23.638440] [<00000000a7088001>] get_cmdline+0xa3/0x2d0 [ 23.638449] [<00000000cb8e821b>] handle_lmk_event+0x169/0x920 [ 23.638457] [<00000000fb839f2f>] ? lmk_event_show+0x390/0x390 [ 23.638463] [<00000000f469961f>] ? vprintk+0x28/0x30 [ 23.638470] [<00000000486532df>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 23.638477] [<00000000e88ca508>] ? kill_pid_info_as_cred+0x540/0x540 [ 23.638487] [<00000000b48dddd2>] ? check_preemption_disabled+0x3c/0x200 [ 23.638495] [<00000000b48dddd2>] ? check_preemption_disabled+0x3c/0x200 [ 23.638503] [<00000000b48dddd2>] ? check_preemption_disabled+0x3c/0x200 [ 23.638509] [<00000000423fd4bd>] ? lowmem_scan+0x6ae/0xb70 [ 23.638515] [<0000000013465e45>] lowmem_scan+0x6f3/0xb70 [ 23.638524] [<00000000c81c4e21>] shrink_slab.part.0+0x3cf/0xa20 [ 23.638532] [<00000000e7915da7>] ? unregister_shrinker+0x230/0x230 [ 23.638541] [<00000000c993f7b7>] shrink_node+0x1ed/0x750 [ 23.638550] [<00000000d8c240f8>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 23.638560] [<000000008785f1e3>] ? __delayacct_freepages_start+0x41/0x80 [ 23.638566] [<00000000bed7b518>] try_to_free_pages+0x397/0xbd0 [ 23.638573] [<000000002e446102>] ? shrink_node+0x750/0x750 [ 23.638579] [<000000008cac9ea4>] __alloc_pages_nodemask+0x930/0x1a80 [ 23.638586] [<0000000045226553>] ? retint_kernel+0x2d/0x2d [ 23.638593] [<00000000c14ed1de>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 23.638600] [<00000000620e0562>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 23.638607] [<00000000416fa244>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.638614] [<0000000045226553>] ? retint_kernel+0x2d/0x2d [ 23.638621] [<00000000e56421b7>] __vmalloc_node_range+0x25b/0x610 [ 23.638630] [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 23.638636] [<00000000df860462>] vmalloc+0x5c/0x70 [ 23.638644] [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 23.638651] [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 [ 23.638659] [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 [ 23.638665] [<00000000b7c3a69b>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 23.638672] [<000000003fee114a>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 23.638680] [<00000000ed2044fa>] ? __cap_capable+0x182/0x1d0 [ 23.638688] [<00000000dc339632>] ? ns_capable_common+0x12c/0x160 [ 23.638694] [<000000004d909909>] do_arpt_set_ctl+0x108/0x150 [ 23.638703] [<00000000ad044926>] nf_setsockopt+0x6d/0xc0 [ 23.638711] [<00000000233240ed>] ip_setsockopt+0x8a/0xa0 [ 23.638720] [<00000000d154b4a7>] udp_setsockopt+0x4e/0x90 [ 23.638727] [<0000000031499c8e>] ipv6_setsockopt+0xa4/0x140 [ 23.638734] [<00000000447bf994>] tcp_setsockopt+0x8a/0xe0 [ 23.638742] [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 [ 23.638749] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 [ 23.638757] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 23.638764] [<00000000c3fbd06f>] ? __do_page_fault+0x545/0xa60 [ 23.638770] [<000000007d3e6397>] ? do_syscall_64+0x4a/0x5c0 [ 23.638777] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 23.638783] [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 [ 23.638791] [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 23.832111] oom_reaper: reaped process 2048 (syz-executor613), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 23.833779] syz-executor613 invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 [ 23.833787] CPU: 0 PID: 2049 Comm: syz-executor613 Not tainted 4.9.194+ #0 [ 23.833801] ffff8801cf3576f0 ffffffff81b67001 ffff8801cf357a48 ffffffff833f1c30 [ 23.833809] 0000000000000000 ffff8801cf357a60 0000000000000000 ffff8801cf357770 [ 23.833818] ffffffff81506e44 0000000000000000 0000000000000000 ffffffff8282ac45 [ 23.833819] Call Trace: [ 23.833832] [<00000000af721b7a>] dump_stack+0xc1/0x120 [ 23.833842] [<0000000004210c92>] dump_header.isra.0+0x142/0x74c [ 23.833851] [<000000008deaa5fa>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 23.833859] [<00000000611de851>] ? ___ratelimit+0x55/0x413 [ 23.833866] [<00000000ef775830>] oom_kill_process.cold+0xd/0xa74 [ 23.833876] [<0000000094052367>] ? has_capability_noaudit+0x25/0x30 [ 23.833885] [<000000008269101a>] ? oom_badness.part.0+0x11d/0x600 [ 23.833891] [<00000000edfc6ce6>] ? oom_badness.part.0+0x12f/0x600 [ 23.833898] [<0000000047ecd699>] ? out_of_memory+0x6d3/0xea0 [ 23.833905] [<000000004195cfbb>] out_of_memory+0x29b/0xea0 [ 23.833912] [<00000000126cb0ba>] ? out_of_memory+0x41c/0xea0 [ 23.833919] [<000000002e7eee48>] ? oom_killer_disable+0x210/0x210 [ 23.833926] [<00000000d85032d3>] ? trace_hardirqs_on+0xd/0x10 [ 23.833933] [<000000005cea28fa>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 23.833939] [<0000000023fbccad>] __alloc_pages_nodemask+0x1730/0x1a80 [ 23.833946] [<00000000c14ed1de>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 23.833954] [<0000000077144c1a>] ? page_cache_prev_hole+0x80/0x80 [ 23.833960] [<000000002b411434>] ? find_get_entry+0x2a9/0x510 [ 23.833967] [<0000000014aa46b3>] ? find_get_entry+0x2d0/0x510 [ 23.833973] [<0000000077144c1a>] ? page_cache_prev_hole+0x80/0x80 [ 23.833980] [<0000000092d42851>] pagecache_get_page+0x248/0x740 [ 23.833987] [<000000001e5016ca>] filemap_fault+0xb1f/0x1360 [ 23.833995] [<0000000088039d81>] ext4_filemap_fault+0x72/0xa0 [ 23.834002] [<00000000be5f7673>] __do_fault+0x2a8/0x6c0 [ 23.834008] [<0000000032fc1ee7>] ? do_page_mkwrite+0x400/0x400 [ 23.834015] [<00000000f1150bf8>] ? handle_mm_fault+0x1ba8/0x2420 [ 23.834022] [<00000000af5dacf8>] handle_mm_fault+0x11bc/0x2420 [ 23.834028] [<000000001121e4d6>] ? debug_object_free+0x1c9/0x340 [ 23.834035] [<000000002baabf07>] ? vm_insert_page+0x850/0x850 [ 23.834041] [<000000007eebc73f>] ? vmacache_find+0x59/0x280 [ 23.834049] [<00000000e1ad38cb>] __do_page_fault+0x3f0/0xa60 [ 23.834056] [<0000000083dd9b23>] ? bad_area_access_error+0x3d0/0x3d0 [ 23.834069] [<0000000003344739>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.834075] [<00000000ea17f291>] do_page_fault+0x28/0x30 [ 23.834082] [<000000006dd0c6cc>] page_fault+0x25/0x30 [ 23.834085] Mem-Info: [ 23.834100] active_anon:3236 inactive_anon:41 isolated_anon:0 [ 23.834100] active_file:19 inactive_file:10 isolated_file:0 [ 23.834100] unevictable:0 dirty:0 writeback:0 unstable:0 [ 23.834100] slab_reclaimable:4270 slab_unreclaimable:56636 [ 23.834100] mapped:19 shmem:48 pagetables:355 bounce:0 [ 23.834100] free:6015 free_pcp:69 free_cma:0 [ 23.834112] Node 0 active_anon:12944kB inactive_anon:164kB active_file:76kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:76kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 23.834147] DMA32 free:18592kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:20kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:124kB local_pcp:124kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 23.834170] Normal free:5468kB min:5580kB low:9168kB high:12756kB active_anon:12944kB inactive_anon:164kB active_file:76kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17080kB slab_unreclaimable:226524kB kernel_stack:3488kB pagetables:1420kB bounce:0kB free_pcp:152kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 23.834215] DMA32: 1*4kB (M) 2*8kB (UM) 4*16kB (UM) 3*32kB (U) 0*64kB 4*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18612kB Normal: 232*4kB (UMH) 144*8kB (UMH) 59*16kB (UMH) 21*32kB (UMH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5488kB 98 total pagecache pages [ 23.834254] 0 pages in swap cache [ 23.834258] Swap cache stats: add 0, delete 0, find 0/0 [ 23.834260] Free swap = 0kB [ 23.834261] Total swap = 0kB [ 23.834263] 1965979 pages RAM [ 23.834265] 0 pages HighMem/MovableOnly [ 23.834267] 313627 pages reserved [ 23.834269] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 23.834281] [ 470] 0 470 5378 181 15 3 0 -1000 udevd [ 23.834290] [ 586] 0 586 5377 178 14 3 0 -1000 udevd [ 23.834298] [ 587] 0 587 5377 178 14 3 0 -1000 udevd [ 23.834306] [ 1762] 0 1762 2492 573 10 4 0 0 dhclient [ 23.834314] [ 1893] 0 1893 14264 110 23 3 0 0 rsyslogd [ 23.834322] [ 1932] 0 1932 4724 52 15 3 0 0 cron [ 23.834330] [ 1962] 0 1962 3734 44 10 3 0 0 mcstransd [ 23.834338] [ 1968] 0 1968 12926 1227 27 3 0 0 restorecond [ 23.834345] [ 1994] 0 1994 12489 153 29 3 0 -1000 sshd [ 23.834353] [ 2024] 0 2024 3648 39 13 3 0 0 getty [ 23.834361] [ 2037] 0 2037 3648 43 12 3 0 0 getty [ 23.834369] [ 2038] 0 2038 3648 42 13 3 0 0 getty [ 23.834377] [ 2039] 0 2039 3648 43 13 3 0 0 getty [ 23.834384] [ 2040] 0 2040 3648 42 13 3 0 0 getty [ 23.834392] [ 2041] 0 2041 3648 43 13 3 0 0 getty [ 23.834400] [ 2042] 0 2042 3648 42 13 3 0 0 getty [ 23.834408] [ 2043] 0 2043 17820 196 39 3 0 0 sshd [ 23.834416] [ 2045] 0 2045 4380 1 4 2 0 0 syz-executor613 [ 23.834424] [ 2046] 0 2046 4380 10 4 2 0 0 syz-executor613 [ 23.834432] [ 2047] 0 2047 4380 10 4 2 0 0 syz-executor613 [ 23.834440] [ 2048] 0 2048 4380 0 5 2 0 1000 syz-executor613 [ 23.834447] [ 2049] 0 2049 4380 10 4 2 0 0 syz-executor613 [ 23.834455] [ 2050] 0 2050 4380 10 4 2 0 0 syz-executor613 [ 23.834463] [ 2051] 0 2051 4380 10 4 2 0 0 syz-executor613 [ 23.834471] [ 2052] 0 2052 4380 10 4 2 0 0 syz-executor613 [ 23.834479] [ 2053] 0 2053 4380 10 5 2 0 1000 syz-executor613 [ 23.834486] [ 2054] 0 2054 4380 10 5 2 0 1000 syz-executor613 [ 23.834494] [ 2055] 0 2055 4380 10 5 2 0 1000 syz-executor613 [ 23.834502] [ 2056] 0 2056 4380 10 5 2 0 1000 syz-executor613 [ 23.834510] [ 2057] 0 2057 4380 10 5 2 0 1000 syz-executor613 [ 23.834515] Out of memory: Kill process 2053 (syz-executor613) score 999 or sacrifice child [ 23.834527] Killed process 2053 (syz-executor613) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB [ 23.852309] syz-executor613: vmalloc: allocation failure, allocated 1148534784 of 4259258368 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 23.852317] CPU: 0 PID: 2048 Comm: syz-executor613 Not tainted 4.9.194+ #0 [ 23.852330] ffff8801cf367910 ffffffff81b67001 1ffff10039e6cf24 dffffc0000000000 [ 23.852339] ffffffff82aab480 0000000000000000 0000000000400000 ffff8801cf367a38 [ 23.852348] ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 [ 23.852349] Call Trace: [ 23.852362] [<00000000af721b7a>] dump_stack+0xc1/0x120 [ 23.852371] [<00000000e2f8d744>] warn_alloc.cold+0x76/0x93 [ 23.852379] [<00000000aa1c0441>] ? zone_watermark_ok_safe+0x260/0x260 [ 23.852388] [<0000000043cb092c>] __vmalloc_node_range+0x404/0x610 [ 23.852398] [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 23.852404] [<00000000df860462>] vmalloc+0x5c/0x70 [ 23.852411] [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 23.852418] [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 [ 23.852425] [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 [ 23.852432] [<00000000b7c3a69b>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 23.852440] [<000000003fee114a>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 23.852447] [<00000000ed2044fa>] ? __cap_capable+0x182/0x1d0 [ 23.852456] [<00000000dc339632>] ? ns_capable_common+0x12c/0x160 [ 23.852463] [<000000004d909909>] do_arpt_set_ctl+0x108/0x150 [ 23.852471] [<00000000ad044926>] nf_setsockopt+0x6d/0xc0 [ 23.852478] [<00000000233240ed>] ip_setsockopt+0x8a/0xa0 [ 23.852485] [<00000000d154b4a7>] udp_setsockopt+0x4e/0x90 [ 23.852492] [<0000000031499c8e>] ipv6_setsockopt+0xa4/0x140 [ 23.852499] [<00000000447bf994>] tcp_setsockopt+0x8a/0xe0 [ 23.852508] [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 [ 23.852515] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 [ 23.852522] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 23.852529] [<00000000c3fbd06f>] ? __do_page_fault+0x545/0xa60 [ 23.852535] [<000000007d3e6397>] ? do_syscall_64+0x4a/0x5c0 [ 23.852542] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 23.852547] [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 [ 23.852555] [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 23.852559] Mem-Info: [ 23.852572] active_anon:3236 inactive_anon:41 isolated_anon:0 [ 23.852572] active_file:19 inactive_file:11 isolated_file:0 [ 23.852572] unevictable:0 dirty:0 writeback:0 unstable:0 [ 23.852572] slab_reclaimable:4270 slab_unreclaimable:56638 [ 23.852572] mapped:20 shmem:48 pagetables:355 bounce:0 [ 23.852572] free:667 free_pcp:0 free_cma:0 [ 23.852584] Node 0 active_anon:12944kB inactive_anon:164kB active_file:76kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 23.852600] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 23.852623] Normal free:2680kB min:5580kB low:9168kB high:12756kB active_anon:12944kB inactive_anon:164kB active_file:76kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17080kB slab_unreclaimable:226524kB kernel_stack:3488kB pagetables:1420kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 23.852653] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 52*4kB (H) 34*8kB (H) 13*16kB (H) 7*32kB (H) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2704kB 99 total pagecache pages [ 23.852693] 0 pages in swap cache [ 23.852696] Swap cache stats: add 0, delete 0, find 0/0 [ 23.852698] Free swap = 0kB [ 23.852700] Total swap = 0kB [ 23.852702] 1965979 pages RAM [ 23.852703] 0 pages HighMem/MovableOnly [ 23.852705] 313627 pages reserved [ 23.860412] oom_reaper: reaped process 2053 (syz-executor613), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 23.868038] syz-executor613: vmalloc: allocation failure, allocated 1099276288 of 4259258368 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 23.868046] CPU: 0 PID: 2053 Comm: syz-executor613 Not tainted 4.9.194+ #0 [ 23.868059] ffff8801cf2bf910 ffffffff81b67001 1ffff10039e57f24 dffffc0000000000 [ 23.868074] ffffffff82aab480 0000000000000000 0000000000400000 ffff8801cf2bfa38 [ 23.868083] ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 [ 23.868085] Call Trace: [ 23.868099] [<00000000af721b7a>] dump_stack+0xc1/0x120 [ 23.868108] [<00000000e2f8d744>] warn_alloc.cold+0x76/0x93 [ 23.868116] [<00000000aa1c0441>] ? zone_watermark_ok_safe+0x260/0x260 [ 23.868125] [<0000000043cb092c>] __vmalloc_node_range+0x404/0x610 [ 23.868134] [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 23.868140] [<00000000df860462>] vmalloc+0x5c/0x70 [ 23.868147] [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 23.868154] [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 [ 23.868162] [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 [ 23.868169] [<00000000b7c3a69b>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 23.868177] [<000000003fee114a>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 23.868185] [<00000000ed2044fa>] ? __cap_capable+0x182/0x1d0 [ 23.868195] [<00000000dc339632>] ? ns_capable_common+0x12c/0x160 [ 23.868201] [<000000004d909909>] do_arpt_set_ctl+0x108/0x150 [ 23.868209] [<00000000ad044926>] nf_setsockopt+0x6d/0xc0 [ 23.868216] [<00000000233240ed>] ip_setsockopt+0x8a/0xa0 [ 23.868224] [<00000000d154b4a7>] udp_setsockopt+0x4e/0x90 [ 23.868231] [<0000000031499c8e>] ipv6_setsockopt+0xa4/0x140 [ 23.868238] [<00000000447bf994>] tcp_setsockopt+0x8a/0xe0 [ 23.868246] [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 [ 23.868252] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 [ 23.868259] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 23.868266] [<00000000c3fbd06f>] ? __do_page_fault+0x545/0xa60 [ 23.868273] [<000000007d3e6397>] ? do_syscall_64+0x4a/0x5c0 [ 23.868280] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 23.868286] [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 [ 23.868293] [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 23.868296] Mem-Info: [ 23.868311] active_anon:3236 inactive_anon:41 isolated_anon:0 [ 23.868311] active_file:19 inactive_file:11 isolated_file:0 [ 23.868311] unevictable:0 dirty:0 writeback:0 unstable:0 [ 23.868311] slab_reclaimable:4270 slab_unreclaimable:56638 [ 23.868311] mapped:20 shmem:48 pagetables:355 bounce:0 [ 23.868311] free:667 free_pcp:8 free_cma:0 [ 23.868323] Node 0 active_anon:12944kB inactive_anon:164kB active_file:76kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 23.868338] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 23.868360] Normal free:2680kB min:5580kB low:9168kB high:12756kB active_anon:12944kB inactive_anon:164kB active_file:76kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17080kB slab_unreclaimable:226524kB kernel_stack:3488kB pagetables:1420kB bounce:0kB free_pcp:32kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 23.868391] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 52*4kB (H) 34*8kB (H) 13*16kB (H) 7*32kB (H) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2704kB 99 total pagecache pages [ 23.868431] 0 pages in swap cache [ 23.868434] Swap cache stats: add 0, delete 0, find 0/0 [ 23.868436] Free swap = 0kB [ 23.868438] Total swap = 0kB [ 23.868439] 1965979 pages RAM [ 23.868441] 0 pages HighMem/MovableOnly [ 23.868443] 313627 pages reserved [ 24.183512] ODEBUG: Out of memory. ODEBUG disabled [ 26.302364] lowmemorykiller: Killing 'syz-executor613' (2054) (tgid 2054), adj 1000, [ 26.302364] to free 40kB on behalf of 'kswapd0' (33) because [ 26.302364] cache 2680kB is below limit 6144kB for oom_score_adj 0 [ 26.302364] Free memory is -7076kB above reserved executing program executing program [ 26.452153] syz-executor613: vmalloc: allocation failure, allocated 1694547968 of 4259258368 bytes[ 26.468056] oom_reaper: reaped process 2054 (syz-executor613), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 26.469043] syz-executor613 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 26.469051] CPU: 1 PID: 2060 Comm: syz-executor613 Not tainted 4.9.194+ #0 [ 26.469057] ffff88019a2f7638 [ 26.469060] ffffffff81b67001 ffff88019a2f7990 ffffffff833f1c30 00000000000003e8 [ 26.469071] ffff88019a2f79a8 0000000000000000 ffff88019a2f76b8 ffffffff81506e44 [ 26.469081] 0000000000000000 00000000000003e8 ffffffff8282ac45Call Trace: [ 26.469103] [<00000000af721b7a>] dump_stack+0xc1/0x120 [ 26.469113] [<0000000004210c92>] dump_header.isra.0+0x142/0x74c [ 26.469123] [<000000008deaa5fa>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 26.469132] [<00000000611de851>] ? ___ratelimit+0x55/0x413 [ 26.469139] [<00000000ef775830>] oom_kill_process.cold+0xd/0xa74 [ 26.469149] [<0000000094052367>] ? has_capability_noaudit+0x25/0x30 [ 26.469159] [<000000008269101a>] ? oom_badness.part.0+0x11d/0x600 [ 26.469166] [<00000000edfc6ce6>] ? oom_badness.part.0+0x12f/0x600 [ 26.469173] [<0000000047ecd699>] ? out_of_memory+0x6d3/0xea0 [ 26.469181] [<000000004195cfbb>] out_of_memory+0x29b/0xea0 [ 26.469188] [<00000000126cb0ba>] ? out_of_memory+0x41c/0xea0 [ 26.469196] [<000000002e7eee48>] ? oom_killer_disable+0x210/0x210 [ 26.469204] [<00000000d85032d3>] ? trace_hardirqs_on+0xd/0x10 [ 26.469211] [<000000005cea28fa>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 26.469218] [<0000000023fbccad>] __alloc_pages_nodemask+0x1730/0x1a80 [ 26.469231] [<00000000c14ed1de>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 26.469240] [<00000000b48dddd2>] ? check_preemption_disabled+0x3c/0x200 [ 26.469249] [<00000000a456893f>] ? debug_lockdep_rcu_enabled+0x7/0xa0 [ 26.469257] [<00000000e56421b7>] __vmalloc_node_range+0x25b/0x610 [ 26.469267] [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 26.469274] [<00000000df860462>] vmalloc+0x5c/0x70 [ 26.469282] [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 26.469289] [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 [ 26.469297] [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 [ 26.469305] [<00000000b7c3a69b>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 26.469311] [<000000002ff0514f>] ? mutex_unlock+0x9/0x10 [ 26.469320] [<00000000ed2044fa>] ? __cap_capable+0x182/0x1d0 [ 26.469328] [<00000000dc339632>] ? ns_capable_common+0x12c/0x160 [ 26.469335] [<000000004d909909>] do_arpt_set_ctl+0x108/0x150 [ 26.469344] [<00000000ad044926>] nf_setsockopt+0x6d/0xc0 [ 26.469351] [<00000000233240ed>] ip_setsockopt+0x8a/0xa0 [ 26.469359] [<00000000d154b4a7>] udp_setsockopt+0x4e/0x90 [ 26.469367] [<0000000031499c8e>] ipv6_setsockopt+0xa4/0x140 executing program executing program [ 26.469374] [<00000000447bf994>] tcp_setsockopt+0x8a/0xe0 [ 26.469382] [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 [ 26.469390] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 [ 26.469397] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 26.469405] [<00000000c3fbd06f>] ? __do_page_fault+0x545/0xa60 [ 26.469412] [<0000000083dd9b23>] ? bad_area_access_error+0x3d0/0x3d0 [ 26.469419] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 26.469426] [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 [ 26.469434] [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 26.469437] Mem-Info: [ 26.469453] active_anon:3245 inactive_anon:41 isolated_anon:0 [ 26.469453] active_file:24 inactive_file:26 isolated_file:0 [ 26.469453] unevictable:0 dirty:0 writeback:0 unstable:0 executing program [ 26.469453] slab_reclaimable:4278 slab_unreclaimable:56113 [ 26.469453] mapped:28 shmem:48 pagetables:355 bounce:0 [ 26.469453] free:736 free_pcp:8 free_cma:0 [ 26.469466] Node 0 active_anon:12980kB inactive_anon:164kB active_file:96kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 26.469483] DMA32 free:12kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:76kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 26.469486] 0 3505 3505Normal free:2932kB min:5580kB low:9168kB high:12756kB active_anon:12980kB inactive_anon:164kB active_file:96kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17112kB slab_unreclaimable:224376kB kernel_stack:3488kB pagetables:1420kB bounce:0kB free_pcp:32kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 26.469512] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 53*4kB (H) 35*8kB (H) 18*16kB (H) 8*32kB (H) 5*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2892kB 108 total pagecache pages [ 26.469597] 0 pages in swap cache [ 26.469600] Swap cache stats: add 0, delete 0, find 0/0 [ 26.469602] Free swap = 0kB [ 26.469604] Total swap = 0kB [ 26.469606] 1965979 pages RAM [ 26.469608] 0 pages HighMem/MovableOnly [ 26.469610] 313627 pages reserved [ 26.469613] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 26.469622] [ 470] 0 470 5378 181 15 3 0 -1000 udevd [ 26.469629] [ 586] 0 586 5377 178 14 3 0 -1000 udevd [ 26.469635] [ 587] 0 587 5377 178 14 3 0 -1000 udevd [ 26.469641] [ 1762] 0 1762 2492 573 10 4 0 0 dhclient [ 26.469647] [ 1893] 0 1893 14264 159 23 3 0 0 rsyslogd [ 26.469653] [ 1932] 0 1932 4724 52 15 3 0 0 cron [ 26.469659] [ 1962] 0 1962 3734 44 10 3 0 0 mcstransd [ 26.469665] [ 1968] 0 1968 12926 1227 27 3 0 0 restorecond [ 26.469671] [ 1994] 0 1994 12489 153 29 3 0 -1000 sshd [ 26.469676] [ 2024] 0 2024 3648 39 13 3 0 0 getty [ 26.469683] [ 2037] 0 2037 3648 43 12 3 0 0 getty [ 26.469688] [ 2038] 0 2038 3648 42 13 3 0 0 getty [ 26.469694] [ 2039] 0 2039 3648 43 13 3 0 0 getty [ 26.469700] [ 2040] 0 2040 3648 42 13 3 0 0 getty [ 26.469706] [ 2041] 0 2041 3648 43 13 3 0 0 getty [ 26.469712] [ 2042] 0 2042 3648 42 13 3 0 0 getty [ 26.469718] [ 2043] 0 2043 17820 197 39 3 0 0 sshd [ 26.469725] [ 2045] 0 2045 4380 1 4 2 0 0 syz-executor613 [ 26.469731] [ 2046] 0 2046 4380 10 4 2 0 0 syz-executor613 [ 26.469737] [ 2047] 0 2047 4380 10 4 2 0 0 syz-executor613 [ 26.469743] [ 2049] 0 2049 4380 10 4 2 0 0 syz-executor613 [ 26.469749] [ 2050] 0 2050 4380 10 4 2 0 0 syz-executor613 executing program [ 26.469755] [ 2051] 0 2051 4380 10 4 2 0 0 syz-executor613 [ 26.469760] [ 2052] 0 2052 4380 10 4 2 0 0 syz-executor613 [ 26.469767] [ 2054] 0 2054 4380 0 5 2 0 1000 syz-executor613 [ 26.469775] [ 2055] 0 2055 4380 10 5 2 0 1000 syz-executor613 [ 26.469784] [ 2056] 0 2056 4380 10 5 2 0 1000 syz-executor613 [ 26.469793] [ 2057] 0 2057 4380 10 5 2 0 1000 syz-executor613 executing program executing program [ 26.469801] [ 2059] 0 2059 4380 10 5 2 0 1000 syz-executor613 [ 26.469810] [ 2060] 0 2060 4380 10 5 2 0 1000 syz-executor613 [ 26.469815] Out of memory: Kill process 2055 (syz-executor613) score 999 or sacrifice child [ 26.469833] Killed process 2055 (syz-executor613) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB [ 26.497209] syz-executor613: [ 26.497216] vmalloc: allocation failure, allocated 1625624576 of 4259258368 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) executing program [ 26.497229] CPU: 0 PID: 2055 Comm: syz-executor613 Not tainted 4.9.194+ #0 [ 26.497235] ffff8801cf23f910 [ 26.497237] ffffffff81b67001 1ffff10039e47f24 dffffc0000000000 ffffffff82aab480 [ 26.497248] 0000000000000000 0000000000400000 ffff8801cf23fa38 ffffffff815080fc [ 26.497259] 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00Call Trace: [ 26.497280] [<00000000af721b7a>] dump_stack+0xc1/0x120 [ 26.497290] [<00000000e2f8d744>] warn_alloc.cold+0x76/0x93 [ 26.497298] [<00000000aa1c0441>] ? zone_watermark_ok_safe+0x260/0x260 [ 26.497307] [<00000000416fa244>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 26.497317] [<0000000043cb092c>] __vmalloc_node_range+0x404/0x610 [ 26.497326] [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 26.497333] [<00000000df860462>] vmalloc+0x5c/0x70 [ 26.497341] [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 26.497348] [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 [ 26.497356] [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 [ 26.497364] [<00000000b7c3a69b>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 26.497372] [<000000003fee114a>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 26.497379] [<00000000ed2044fa>] ? __cap_capable+0x182/0x1d0 [ 26.497389] [<00000000dc339632>] ? ns_capable_common+0x12c/0x160 [ 26.497397] [<000000004d909909>] do_arpt_set_ctl+0x108/0x150 [ 26.497405] [<00000000ad044926>] nf_setsockopt+0x6d/0xc0 [ 26.497412] [<00000000233240ed>] ip_setsockopt+0x8a/0xa0 [ 26.497421] [<00000000d154b4a7>] udp_setsockopt+0x4e/0x90 [ 26.497429] [<0000000031499c8e>] ipv6_setsockopt+0xa4/0x140 [ 26.497436] [<00000000447bf994>] tcp_setsockopt+0x8a/0xe0 [ 26.497445] [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 [ 26.497452] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 [ 26.497460] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 26.497467] [<00000000c3fbd06f>] ? __do_page_fault+0x545/0xa60 [ 26.497473] [<000000007d3e6397>] ? do_syscall_64+0x4a/0x5c0 [ 26.497480] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 26.497487] [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 [ 26.497495] [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 26.497498] Mem-Info: [ 26.497515] active_anon:3245 inactive_anon:41 isolated_anon:0 [ 26.497515] active_file:24 inactive_file:26 isolated_file:0 [ 26.497515] unevictable:0 dirty:0 writeback:0 unstable:0 [ 26.497515] slab_reclaimable:4278 slab_unreclaimable:56113 [ 26.497515] mapped:28 shmem:48 pagetables:355 bounce:0 [ 26.497515] free:736 free_pcp:8 free_cma:0 [ 26.497527] Node 0 active_anon:12980kB inactive_anon:164kB active_file:96kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 26.497545] DMA32 free:12kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:76kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 26.497548] 0 3505 3505Normal free:2932kB min:5580kB low:9168kB high:12756kB active_anon:12980kB inactive_anon:164kB active_file:96kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17112kB slab_unreclaimable:224376kB kernel_stack:3488kB pagetables:1420kB bounce:0kB free_pcp:32kB local_pcp:32kB free_cma:0kB lowmem_reserve[]: [ 26.497574] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 53*4kB (H) 35*8kB (H) 18*16kB (H) 8*32kB (H) 5*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2892kB 108 total pagecache pages [ 26.497660] 0 pages in swap cache [ 26.497664] Swap cache stats: add 0, delete 0, find 0/0 [ 26.497666] Free swap = 0kB [ 26.497667] Total swap = 0kB [ 26.497670] 1965979 pages RAM [ 26.497672] 0 pages HighMem/MovableOnly [ 26.497742] 313627 pages reserved [ 26.508059] oom_reaper: reaped process 2055 (syz-executor613), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program [ 26.513164] syz-executor613 invoked oom-killer: gfp_mask=0x24082c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), nodemask=0, order=0, oom_score_adj=1000 [ 26.513172] CPU: 0 PID: 2059 Comm: syz-executor613 Not tainted 4.9.194+ #0 [ 26.513178] ffff8801c1ef75a0 executing program [ 26.513181] ffffffff81b67001 ffff8801c1ef78f8 ffffffff833f1c30 00000000000003e8 [ 26.513192] ffff8801c1ef7910 0000000000000000 ffff8801c1ef7620 ffffffff81506e44 [ 26.513202] 0000000000000000 00000000000003e8 ffffffff8282ac45Call Trace: [ 26.513224] [<00000000af721b7a>] dump_stack+0xc1/0x120 [ 26.513235] [<0000000004210c92>] dump_header.isra.0+0x142/0x74c [ 26.513244] [<000000008deaa5fa>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 26.513252] [<00000000611de851>] ? ___ratelimit+0x55/0x413 [ 26.513260] [<00000000ef775830>] oom_kill_process.cold+0xd/0xa74 [ 26.513270] [<0000000094052367>] ? has_capability_noaudit+0x25/0x30 [ 26.513281] [<000000008269101a>] ? oom_badness.part.0+0x11d/0x600 [ 26.513288] [<00000000edfc6ce6>] ? oom_badness.part.0+0x12f/0x600 [ 26.513295] [<0000000047ecd699>] ? out_of_memory+0x6d3/0xea0 [ 26.513303] [<000000004195cfbb>] out_of_memory+0x29b/0xea0 [ 26.513310] [<00000000126cb0ba>] ? out_of_memory+0x41c/0xea0 ** 58 printk messages dropped ** [ 26.513690] 0*2048kB 0*4096kB = 0kB Normal: 62*4kB (UMH) 36*8kB (UH) 18*16kB (H) 8*32kB (H) 5*64kB (H) 2*128kB (H) 3*256kB ** 40 printk messages dropped ** [ 26.513927] [ 2052] 0 2052 4380 10 4 2 0 0 syz-executor613 ** 432 printk messages dropped ** [ 26.664122] [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 executing program [ 26.664129] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 [ 26.664135] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 26.664142] [<00000000c3fbd06f>] ? __do_page_fault+0x545/0xa60 [ 26.664149] [<000000007d3e6397>] ? do_syscall_64+0x4a/0x5c0 [ 26.664164] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 26.664170] [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 [ 26.664177] [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 26.664180] Mem-Info: [ 26.664194] active_anon:3245 inactive_anon:41 isolated_anon:0 [ 26.664194] active_file:21 inactive_file:54 isolated_file:32 [ 26.664194] unevictable:0 dirty:0 writeback:0 unstable:0 [ 26.664194] slab_reclaimable:4278 slab_unreclaimable:56113 [ 26.664194] mapped:78 shmem:48 pagetables:355 bounce:0 [ 26.664194] free:932 free_pcp:186 free_cma:0 ** 179 printk messages dropped ** [ 27.800215] [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 [ 27.800223] [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 [ 27.800230] [<00000000b7c3a69b>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 27.800237] [<000000002ff0514f>] ? mutex_unlock+0x9/0x10 ** 147 printk messages dropped ** [ 27.815682] 44*32kB (U) ** 13 printk messages dropped ** [ 27.815716] (MH) ** 366 printk messages dropped ** [ 28.243329] , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 28.243337] CPU: 0 PID: 2063 Comm: syz-executor613 Not tainted 4.9.194+ #0 executing program [ 28.243342] ffff88005063f910 [ 28.243345] ffffffff81b67001 1ffff1000a0c7f24 dffffc0000000000[ 28.243352] syz-executor613: [ 28.243355] vmalloc: allocation failure, allocated 925110272 of 4259258368 bytes ffffffff82aab480 [ 28.243359] , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) 0000000000000000 0000000000400000 ffff88005063fa38 ffffffff815080fc [ 28.243370] 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00Call Trace: [ 28.243390] [<00000000af721b7a>] dump_stack+0xc1/0x120 [ 28.243399] [<00000000e2f8d744>] warn_alloc.cold+0x76/0x93 [ 28.243406] [<00000000aa1c0441>] ? zone_watermark_ok_safe+0x260/0x260 [ 28.243414] [<0000000043cb092c>] __vmalloc_node_range+0x404/0x610 [ 28.243423] [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 28.243429] [<00000000df860462>] vmalloc+0x5c/0x70 [ 28.243435] [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 28.243441] [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 executing program [ 28.243449] [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 [ 28.243455] [<00000000b7c3a69b>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 28.243462] [<000000002ff0514f>] ? mutex_unlock+0x9/0x10 [ 28.243469] [<00000000ed2044fa>] ? __cap_capable+0x182/0x1d0 [ 28.243478] [<00000000dc339632>] ? ns_capable_common+0x12c/0x160 [ 28.243484] [<000000004d909909>] do_arpt_set_ctl+0x108/0x150 [ 28.243491] [<00000000ad044926>] nf_setsockopt+0x6d/0xc0 [ 28.243498] [<00000000233240ed>] ip_setsockopt+0x8a/0xa0 [ 28.243505] [<00000000d154b4a7>] udp_setsockopt+0x4e/0x90 [ 28.243512] [<0000000031499c8e>] ipv6_setsockopt+0xa4/0x140 [ 28.243518] [<00000000447bf994>] tcp_setsockopt+0x8a/0xe0 [ 28.243527] [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 [ 28.243533] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 [ 28.243539] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 28.243546] [<00000000c3fbd06f>] ? __do_page_fault+0x545/0xa60 [ 28.243552] [<0000000083dd9b23>] ? bad_area_access_error+0x3d0/0x3d0 [ 28.243567] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 28.243573] [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 executing program [ 28.243580] [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 28.243587] CPU: 1 PID: 2061 Comm: syz-executor613 Not tainted 4.9.194+ #0 [ 28.243590] ffff88009c867910 [ 28.243593] ffffffff81b67001 1ffff1001390cf24 dffffc0000000000 ffffffff82aab480 [ 28.243602] 0000000000000000 0000000000400000 ffff88009c867a38 ffffffff815080fc [ 28.243612] 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00Call Trace: [ 28.243626] [<00000000af721b7a>] dump_stack+0xc1/0x120 [ 28.243632] [<00000000e2f8d744>] warn_alloc.cold+0x76/0x93 [ 28.243638] [<00000000aa1c0441>] ? zone_watermark_ok_safe+0x260/0x260 [ 28.243644] [<0000000043cb092c>] __vmalloc_node_range+0x404/0x610 [ 28.243650] [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 28.243655] [<00000000df860462>] vmalloc+0x5c/0x70 [ 28.243661] [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 28.243667] [<0000000024cf03e1>] xt_alloc_table_info+0xc8/0x100 [ 28.243673] [<00000000218bd6e7>] do_replace.isra.0+0x111/0x480 [ 28.243682] [<00000000b7c3a69b>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 28.243688] [<000000002ff0514f>] ? mutex_unlock+0x9/0x10 [ 28.243693] [<00000000ed2044fa>] ? __cap_capable+0x182/0x1d0 [ 28.243700] [<00000000dc339632>] ? ns_capable_common+0x12c/0x160 [ 28.243705] [<000000004d909909>] do_arpt_set_ctl+0x108/0x150 [ 28.243712] [<00000000ad044926>] nf_setsockopt+0x6d/0xc0 [ 28.243718] [<00000000233240ed>] ip_setsockopt+0x8a/0xa0 [ 28.243724] [<00000000d154b4a7>] udp_setsockopt+0x4e/0x90 [ 28.243729] [<0000000031499c8e>] ipv6_setsockopt+0xa4/0x140 [ 28.243736] [<00000000447bf994>] tcp_setsockopt+0x8a/0xe0 [ 28.243742] [<000000005cf94a95>] sock_common_setsockopt+0x9a/0xe0 [ 28.243748] [<00000000c28cffb2>] SyS_setsockopt+0x159/0x240 executing program [ 28.243755] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 28.243761] [<00000000c3fbd06f>] ? __do_page_fault+0x545/0xa60 [ 28.243767] [<0000000083dd9b23>] ? bad_area_access_error+0x3d0/0x3d0 [ 28.243773] [<00000000e2c26ece>] ? SyS_recv+0x40/0x40 [ 28.243779] [<00000000dbdebf33>] do_syscall_64+0x1ad/0x5c0 [ 28.243785] [<00000000ccb0aa3a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 28.244701] Mem-Info: [ 28.244718] active_anon:3258 inactive_anon:41 isolated_anon:0 [ 28.244718] active_file:40 inactive_file:50 isolated_file:0 [ 28.244718] unevictable:0 dirty:16 writeback:3 unstable:0 [ 28.244718] slab_reclaimable:4291 slab_unreclaimable:56186 [ 28.244718] mapped:54 shmem:48 pagetables:362 bounce:0 [ 28.244718] free:3680 free_pcp:322 free_cma:0 [ 28.244729] Node 0 active_anon:13032kB inactive_anon:164kB active_file:160kB inactive_file:200kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:216kB dirty:64kB writeback:12kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes ** 1 printk messages dropped ** [ 28.244746] lowmem_reserve[]: [ 28.244748] 0 3505 3505Normal free:15020kB min:5580kB low:9168kB high:12756kB active_anon:12972kB inactive_anon:164kB active_file:196kB inactive_file:200kB unevictable:0kB writepending:76kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17164kB slab_unreclaimable:224592kB kernel_stack:3392kB pagetables:1404kB bounce:0kB free_pcp:1368kB local_pcp:624kB free_cma:0kB lowmem_reserve[]: [ 28.244772] 0 0 0DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 108*4kB (UH) 89*8kB (UH) 286*16kB (UMH) 55*32kB (UH) 6*64kB (UH) 6*128kB ** 33 printk messages dropped ** [ 28.246073] (U) ** 109 printk messages dropped ** [ 29.207076] 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 53*4kB (H) 35*8kB ** 2 printk messages dropped ** [ 29.207107] (H) ** 83 printk messages dropped ** [ 29.460389] lowmem_reserve[]: [ 29.460391] 0 3505 3505Normal free:2968kB min:5580kB low:9168kB high:12756kB active_anon:13076kB inactive_anon:164kB active_file:0kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17180kB slab_unreclaimable:224708kB kernel_stack:3456kB pagetables:1404kB bounce:0kB free_pcp:812kB local_pcp:640kB free_cma:0kB lowmem_reserve[]: [ 29.460416] 0 0 0DMA32: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 1*64kB (U) 51*128kB (U) 13*256kB (U) 2*512kB (U) 0*1024kB 1*2048kB (U) 0*4096kB = 13020kB Normal: 53*4kB (H) 35*8kB (H) 18*16kB (H) 8*32kB (H) 5*64kB (H) 3*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 3020kB 97 total pagecache pages [ 29.460510] 0 pages in swap cache [ 29.460513] Swap cache stats: add 0, delete 0, find 0/0 [ 29.460515] Free swap = 0kB [ 29.460517] Total swap = 0kB [ 29.460519] 1965979 pages RAM [ 29.460521] 0 pages HighMem/MovableOnly [ 29.460523] 313627 pages reserved [ 29.460525] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name ** 89 printk messages dropped ** [ 29.464033] dffffc0000000000** 7 printk messages dropped ** [ 29.464057] ffff88013329fa38lowmem_reserve[]: [ 29.464060] 0 ffffffff815080fc [ 29.464063] 0 0000000041b58ab3 0 ffffffff82e3bc80 ffffffff81431d00DMA32: Call Trace: [ 29.464073] 0*4kB [<00000000af721b7a>] dump_stack+0xc1/0x120 [ 29.464080] 0*8kB [<00000000e2f8d744>] warn_alloc.cold+0x76/0x93 [ 29.464086] 0*16kB [<00000000aa1c0441>] ? zone_watermark_ok_safe+0x260/0x260 [ 29.464093] 0*32kB [<0000000043cb092c>] __vmalloc_node_range+0x404/0x610 [ 29.464099] 0*64kB [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 [ 29.464106] 0*128kB [<00000000df860462>] vmalloc+0x5c/0x70 [ 29.464111] 0*256kB [<0000000024cf03e1>] ? xt_alloc_table_info+0xc8/0x100 Connection to 10.128.0.169 closed by remote host. [ 29.464118] 0*512kB [<0000000024cf03e1>] xt_alloc_table_in