Starting mcstransd: [ 9.363818] random: sshd: uninitialized urandom read (32 bytes read) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 35.261387] random: sshd: uninitialized urandom read (32 bytes read) [ 35.536340] random: sshd: uninitialized urandom read (32 bytes read) [ 35.880289] random: crng init done Warning: Permanently added '10.128.10.51' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 54.578155] lowmemorykiller: Killing 'syz-executor841' (2066) (tgid 2066), adj 1000, [ 54.578155] to free 44kB on behalf of 'kswapd0' (33) because [ 54.578155] cache 36704kB is below limit 65536kB for oom_score_adj 12 [ 54.578155] Free memory is -13128kB above reserved [ 54.592179] lowmemorykiller: Killing 'syz-executor841' (2066) (tgid 2066), adj 1000, [ 54.592179] to free 44kB on behalf of 'syz-executor841' (2072) because [ 54.592179] cache 34304kB is below limit 65536kB for oom_score_adj 12 [ 54.592179] Free memory is -13332kB above reserved [ 54.592209] [ 54.592210] ================================= [ 54.592212] [ INFO: inconsistent lock state ] [ 54.592217] 4.9.194+ #0 Not tainted [ 54.592218] --------------------------------- [ 54.592222] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 54.592228] syz-executor841/2072 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 54.592246] (&mm->mmap_sem){+++++?}, at: [<000000005c862c98>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 54.592257] mark_held_locks+0xb1/0x100 [ 54.592262] lockdep_trace_alloc+0x18c/0x2b0 [ 54.592268] __alloc_pages_nodemask+0x143/0x1a80 [ 54.592274] __pmd_alloc+0x4a/0x330 [ 54.592280] move_page_tables+0xadb/0xd60 [ 54.592286] shift_arg_pages+0x1ae/0x470 [ 54.592290] setup_arg_pages+0x60d/0x7c0 [ 54.592299] load_elf_binary+0xa84/0x4a90 [ 54.592304] search_binary_handler+0x14f/0x700 [ 54.592309] do_execveat_common.isra.0+0xf81/0x1db0 [ 54.592318] do_execve+0x3a/0x50 [ 54.592325] run_init_process+0x33/0x37 [ 54.592331] try_to_run_init_process+0x18/0x48 [ 54.592338] kernel_init+0xf2/0x163 [ 54.592343] ret_from_fork+0x5c/0x70 [ 54.592345] irq event stamp: 573993 [ 54.592352] hardirqs last enabled at (573993): [<00000000e97188c2>] vprintk_emit+0x25c/0x6f0 [ 54.592359] hardirqs last disabled at (573992): [<0000000024fa0640>] vprintk_emit+0x6d/0x6f0 [ 54.592366] softirqs last enabled at (572346): [<0000000083a1c38d>] wb_queue_work+0x1ed/0x450 [ 54.592372] softirqs last disabled at (572342): [<0000000066f16bb6>] wb_queue_work+0x90/0x450 [ 54.592373] [ 54.592373] other info that might help us debug this: [ 54.592375] Possible unsafe locking scenario: [ 54.592375] [ 54.592376] CPU0 [ 54.592377] ---- [ 54.592381] lock(&mm->mmap_sem); [ 54.592383] [ 54.592386] lock(&mm->mmap_sem); [ 54.592388] [ 54.592388] *** DEADLOCK *** [ 54.592388] [ 54.592391] 1 lock held by syz-executor841/2072: [ 54.592405] #0: (shrinker_rwsem){++++..}, at: [<0000000010362334>] shrink_slab.part.0+0xb2/0xa20 [ 54.592406] [ 54.592406] stack backtrace: [ 54.592412] CPU: 0 PID: 2072 Comm: syz-executor841 Not tainted 4.9.194+ #0 [ 54.592425] ffff8801ce5d6e00 ffffffff81b67001 00000000000000f0 ffff8801d19017c0 [ 54.592434] ffffffff83cb0990 ffff8801d19020b8 ffffffff84252000 ffff8801ce5d6e78 [ 54.592442] ffffffff81408710 0000000000000000 ffffffff00000001 0000000000000001 [ 54.592444] Call Trace: [ 54.592453] [<0000000074475e56>] dump_stack+0xc1/0x120 [ 54.592462] [<000000009f0dde87>] print_usage_bug.cold+0x452/0x5a2 [ 54.592469] [<000000005fd886dd>] mark_lock+0x6c7/0x12e0 [ 54.592475] [<000000000a6ea7f2>] ? print_irq_inversion_bug+0xa0/0xa0 [ 54.592482] [<00000000ef3c05ba>] __lock_acquire+0x5be/0x4390 [ 54.592489] [<000000002b12a3e4>] ? trace_hardirqs_on+0x10/0x10 [ 54.592495] [<000000002b12a3e4>] ? trace_hardirqs_on+0x10/0x10 [ 54.592503] [<0000000008f0d1f2>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 54.592509] [<0000000071bd9123>] lock_acquire+0x133/0x3d0 [ 54.592515] [<000000005c862c98>] ? get_cmdline+0xa3/0x2d0 [ 54.592521] [<000000007a32d3b6>] down_read+0x44/0xb0 [ 54.592527] [<000000005c862c98>] ? get_cmdline+0xa3/0x2d0 [ 54.592533] [<000000005c862c98>] get_cmdline+0xa3/0x2d0 [ 54.592541] [<000000009569a34c>] handle_lmk_event+0x169/0x920 [ 54.592548] [<000000002aeb9c11>] ? lmk_event_show+0x390/0x390 [ 54.592553] [<000000007ae46906>] ? vprintk+0x28/0x30 [ 54.592560] [<0000000008f0d1f2>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 54.592568] [<00000000fdc91034>] ? kill_pid_info_as_cred+0x540/0x540 [ 54.592576] [<000000000b22ad99>] ? check_preemption_disabled+0x3c/0x200 [ 54.592583] [<000000000b22ad99>] ? check_preemption_disabled+0x3c/0x200 [ 54.592591] [<000000000b22ad99>] ? check_preemption_disabled+0x3c/0x200 [ 54.592597] [<0000000015d2f7a2>] ? lowmem_scan+0x6ae/0xb70 [ 54.592604] [<0000000048edf42f>] lowmem_scan+0x6f3/0xb70 [ 54.592611] [<000000005db7c64d>] shrink_slab.part.0+0x3cf/0xa20 [ 54.592619] [<0000000018e5502a>] ? unregister_shrinker+0x230/0x230 [ 54.592626] [<00000000f027683c>] shrink_node+0x1ed/0x750 [ 54.592634] [<0000000088d4a623>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 54.592642] [<00000000a6f3a1c9>] ? __delayacct_freepages_start+0x41/0x80 [ 54.592649] [<00000000f0e09441>] try_to_free_pages+0x397/0xbd0 [ 54.592656] [<00000000ef7cc647>] ? shrink_node+0x750/0x750 [ 54.592664] [<000000007e5ad6e4>] __alloc_pages_nodemask+0x930/0x1a80 [ 54.592670] [<00000000e1f17b7c>] ? __schedule+0x6d6/0x1f10 [ 54.592677] [<0000000094c52c58>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 54.592684] [<000000004363751c>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 54.592692] [<0000000023c31bd6>] __vmalloc_node_range+0x25b/0x610 [ 54.592700] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 54.592707] [<0000000085065838>] vmalloc+0x5c/0x70 [ 54.592713] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 54.592720] [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 [ 54.592728] [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 [ 54.592735] [<000000003d2dd38c>] ? up_read+0x1a/0x40 [ 54.592742] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 54.592748] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 54.592755] [<0000000080e1f1f6>] ? arpt_do_table+0x16e0/0x16e0 [ 54.592762] [<000000005646fe11>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.592769] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 54.592776] [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 [ 54.592783] [<00000000189ccda6>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 54.592789] [<00000000e493c540>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 54.592796] [<000000002bf4bf68>] ? __cap_capable+0x182/0x1d0 [ 54.592804] [<00000000e64fb0b9>] ? ns_capable_common+0x12c/0x160 [ 54.592810] [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 [ 54.592818] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 [ 54.592825] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 executing program executing program executing program executing program [ 54.592832] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 [ 54.592840] [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 [ 54.592847] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 [ 54.592854] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 54.592860] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 54.592866] [<00000000df62bbfc>] ? do_syscall_64+0x4a/0x5c0 [ 54.592872] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 54.592878] [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 [ 54.592885] [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 54.720736] oom_reaper: reaped process 2066 (syz-executor841), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 54.729488] syz-executor841: vmalloc: allocation failure, allocated 1225932800 of 6128504832 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 54.729496] CPU: 1 PID: 2066 Comm: syz-executor841 Not tainted 4.9.194+ #0 [ 54.729510] ffff8801ce78f7a8 ffffffff81b67001 1ffff10039cf1ef7 dffffc0000000000 [ 54.729519] ffffffff82aab480 0000000000000000 0000000000400000 ffff8801ce78f8d0 [ 54.729527] ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 [ 54.729529] Call Trace: [ 54.729542] [<0000000074475e56>] dump_stack+0xc1/0x120 [ 54.729553] [<000000000572823a>] warn_alloc.cold+0x76/0x93 [ 54.729560] [<000000006a5c3111>] ? zone_watermark_ok_safe+0x260/0x260 [ 54.729572] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 54.729580] [<00000000be044e25>] __vmalloc_node_range+0x404/0x610 [ 54.729590] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 54.729597] [<0000000085065838>] vmalloc+0x5c/0x70 [ 54.729604] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 54.729610] [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 [ 54.729618] [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 [ 54.729627] [<000000003d2dd38c>] ? up_read+0x1a/0x40 [ 54.729635] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 54.729641] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 54.729648] [<0000000080e1f1f6>] ? arpt_do_table+0x16e0/0x16e0 [ 54.729656] [<000000005646fe11>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.729662] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 54.729669] [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 [ 54.729676] [<00000000189ccda6>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 54.729682] [<00000000e493c540>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 54.729689] [<000000002bf4bf68>] ? __cap_capable+0x182/0x1d0 [ 54.729698] [<00000000e64fb0b9>] ? ns_capable_common+0x12c/0x160 [ 54.729704] [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 [ 54.729712] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 [ 54.729718] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 [ 54.729725] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 [ 54.729733] [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 [ 54.729740] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 [ 54.729747] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 54.729753] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 54.729759] [<00000000df62bbfc>] ? do_syscall_64+0x4a/0x5c0 [ 54.729766] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 54.729771] [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 [ 54.729778] [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 54.729781] Mem-Info: [ 54.729796] active_anon:3219 inactive_anon:40 isolated_anon:0 [ 54.729796] active_file:8 inactive_file:41 isolated_file:0 [ 54.729796] unevictable:0 dirty:0 writeback:0 unstable:0 [ 54.729796] slab_reclaimable:4270 slab_unreclaimable:56605 [ 54.729796] mapped:28 shmem:48 pagetables:361 bounce:0 [ 54.729796] free:0 free_pcp:7 free_cma:0 [ 54.729808] Node 0 active_anon:12876kB inactive_anon:160kB active_file:32kB inactive_file:164kB 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 [ 54.729823] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 54.729846] Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12876kB inactive_anon:160kB active_file:32kB inactive_file:164kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17080kB slab_unreclaimable:226420kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:28kB local_pcp:28kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 54.729877] 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: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 99 total pagecache pages [ 54.729906] 0 pages in swap cache [ 54.729909] Swap cache stats: add 0, delete 0, find 0/0 [ 54.729911] Free swap = 0kB [ 54.729913] Total swap = 0kB [ 54.729915] 1965979 pages RAM [ 54.729917] 0 pages HighMem/MovableOnly [ 54.729918] 313627 pages reserved [ 54.750275] syz-executor841 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 executing program [ 54.750283] CPU: 0 PID: 2071 Comm: syz-executor841 Not tainted 4.9.194+ #0 [ 54.750297] ffff8801cef2f4d0 ffffffff81b67001 ffff8801cef2f828 ffffffff833f1c30 [ 54.750307] 00000000000003e8 ffff8801cef2f840 0000000000000000 ffff8801cef2f550 [ 54.750317] ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 [ 54.750318] Call Trace: [ 54.750332] [<0000000074475e56>] dump_stack+0xc1/0x120 [ 54.750342] [<000000004f174807>] dump_header.isra.0+0x142/0x74c [ 54.750352] [<00000000475c6aa8>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 54.750361] [<0000000055a042e4>] ? ___ratelimit+0x55/0x413 [ 54.750368] [<000000002b8c3ddd>] oom_kill_process.cold+0xd/0xa74 [ 54.750377] [<0000000062a2b726>] ? has_capability_noaudit+0x25/0x30 [ 54.750387] [<00000000baa6aa98>] ? oom_badness.part.0+0x11d/0x600 [ 54.750394] [<00000000d89bdf2c>] ? oom_badness.part.0+0x12f/0x600 [ 54.750401] [<00000000236b334f>] ? out_of_memory+0x6d3/0xea0 executing program [ 54.750408] [<000000006d5cd227>] ? smp_call_function_many+0x88/0x6c0 [ 54.750416] [<00000000507a05f3>] out_of_memory+0x29b/0xea0 [ 54.750422] [<00000000a5bafcb9>] ? out_of_memory+0x41c/0xea0 executing program [ 54.750430] [<000000009893d912>] ? oom_killer_disable+0x210/0x210 [ 54.750438] [<00000000274d6896>] ? trace_hardirqs_on+0xd/0x10 [ 54.750445] [<000000006f45700c>] ? __alloc_pages_nodemask+0x10d0/0x1a80 executing program [ 54.750451] [<000000007be9d76e>] __alloc_pages_nodemask+0x1730/0x1a80 [ 54.750459] [<000000004363751c>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 54.750466] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 54.750475] [<0000000023c31bd6>] __vmalloc_node_range+0x25b/0x610 [ 54.750484] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 54.750491] [<0000000085065838>] vmalloc+0x5c/0x70 [ 54.750498] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 54.750505] [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 [ 54.750513] [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 [ 54.750522] [<000000003d2dd38c>] ? up_read+0x1a/0x40 [ 54.750530] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 54.750537] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 54.750544] [<0000000080e1f1f6>] ? arpt_do_table+0x16e0/0x16e0 [ 54.750553] [<000000005646fe11>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.750560] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 54.750567] [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 [ 54.750575] [<00000000189ccda6>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 54.750582] [<00000000e493c540>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 54.750590] [<000000002bf4bf68>] ? __cap_capable+0x182/0x1d0 [ 54.750598] [<00000000e64fb0b9>] ? ns_capable_common+0x12c/0x160 [ 54.750604] [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 [ 54.750614] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 [ 54.750621] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 [ 54.750629] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 [ 54.750639] [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 [ 54.750646] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 [ 54.750653] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 54.750660] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 54.750666] [<00000000df62bbfc>] ? do_syscall_64+0x4a/0x5c0 [ 54.750673] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 54.750679] [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 [ 54.750687] [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 54.750690] Mem-Info: [ 54.750706] active_anon:3219 inactive_anon:40 isolated_anon:0 [ 54.750706] active_file:8 inactive_file:14 isolated_file:0 [ 54.750706] unevictable:0 dirty:0 writeback:0 unstable:0 [ 54.750706] slab_reclaimable:4270 slab_unreclaimable:56605 [ 54.750706] mapped:28 shmem:48 pagetables:361 bounce:0 [ 54.750706] free:0 free_pcp:0 free_cma:0 [ 54.750719] Node 0 active_anon:12876kB inactive_anon:160kB active_file:32kB inactive_file:56kB 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 ** 32 printk messages dropped ** [ 54.751032] [ 2063] 0 2063 4380 1 4 2 0 0 syz-executor841 [ 54.751041] [ 2064] 0 2064 4380 11 4 2 0 0 syz-executor841 [ 54.751049] [ 2065] 0 2065 4380 11 4 2 0 0 syz-executor841 [ 54.751058] [ 2066] 0 2066 4380 0 5 2 0 1000 syz-executor841 [ 54.751071] [ 2067] 0 2067 4380 11 4 2 0 0 syz-executor841 [ 54.751080] [ 2068] 0 2068 4380 11 4 2 0 0 syz-executor841 [ 54.751088] [ 2069] 0 2069 4380 11 4 2 0 0 syz-executor841 [ 54.751096] [ 2070] 0 2070 4380 11 4 2 0 0 syz-executor841 [ 54.751105] [ 2071] 0 2071 4380 11 5 2 0 1000 syz-executor841 [ 54.751114] [ 2072] 0 2072 4380 11 5 2 0 1000 syz-executor841 executing program executing program [ 54.751123] [ 2073] 0 2073 4380 11 5 2 0 1000 syz-executor841 [ 54.751132] [ 2074] 0 2074 4380 11 5 2 0 1000 syz-executor841 [ 54.751141] [ 2075] 0 2075 4380 11 5 2 0 1000 syz-executor841 [ 54.751146] Out of memory: Kill process 2071 (syz-executor841) score 999 or sacrifice child executing program [ 54.751157] Killed process 2071 (syz-executor841) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 54.751304] syz-executor841: vmalloc: allocation failure, allocated 1152458752 of 6128504832 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 54.751312] CPU: 0 PID: 2071 Comm: syz-executor841 Not tainted 4.9.194+ #0 [ 54.751322] ffff8801cef2f7a8 ffffffff81b67001 1ffff10039de5ef7 dffffc0000000000 [ 54.751329] ffffffff82aab480 0000000000000000 0000000000400000 ffff8801cef2f8d0 [ 54.751335] ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 [ 54.751336] Call Trace: [ 54.751343] [<0000000074475e56>] dump_stack+0xc1/0x120 [ 54.751349] [<000000000572823a>] warn_alloc.cold+0x76/0x93 [ 54.751354] [<000000006a5c3111>] ? zone_watermark_ok_safe+0x260/0x260 [ 54.751361] [<0000000020a1ad8e>] ? debug_lockdep_rcu_enabled+0x8/0xa0 [ 54.751367] [<00000000be044e25>] __vmalloc_node_range+0x404/0x610 [ 54.751373] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 54.751378] [<0000000085065838>] vmalloc+0x5c/0x70 [ 54.751383] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 54.751388] [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 [ 54.751393] [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 [ 54.751399] [<000000003d2dd38c>] ? up_read+0x1a/0x40 [ 54.751405] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 54.751410] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 54.751415] [<0000000080e1f1f6>] ? arpt_do_table+0x16e0/0x16e0 [ 54.751421] [<000000005646fe11>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.751426] [<0000000096648658>] ? retint_kernel+0x2d/0x2d executing program [ 54.751431] [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 [ 54.751436] [<00000000189ccda6>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 54.751440] [<00000000e493c540>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 54.751446] [<000000002bf4bf68>] ? __cap_capable+0x182/0x1d0 [ 54.751452] [<00000000e64fb0b9>] ? ns_capable_common+0x12c/0x160 [ 54.751457] [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 [ 54.751462] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 [ 54.751467] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 [ 54.751472] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 [ 54.751478] [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 [ 54.751483] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 [ 54.751488] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 54.751492] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 54.751496] [<00000000df62bbfc>] ? do_syscall_64+0x4a/0x5c0 [ 54.751501] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 54.751506] [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 [ 54.751511] [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 54.751519] Mem-Info: [ 54.751532] active_anon:3219 inactive_anon:40 isolated_anon:0 [ 54.751532] active_file:8 inactive_file:14 isolated_file:0 [ 54.751532] unevictable:0 dirty:0 writeback:0 unstable:0 [ 54.751532] slab_reclaimable:4270 slab_unreclaimable:56605 [ 54.751532] mapped:28 shmem:48 pagetables:361 bounce:0 [ 54.751532] free:0 free_pcp:6 free_cma:0 [ 54.751544] Node 0 active_anon:12876kB inactive_anon:160kB active_file:32kB inactive_file:56kB 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 [ 54.751548] oom_reaper: reaped process 2071 (syz-executor841), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program [ 54.751563] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 54.751586] Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12876kB inactive_anon:160kB active_file:32kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17080kB slab_unreclaimable:226420kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:28kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 54.751619] 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: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 99 total pagecache pages [ 54.751649] 0 pages in swap cache [ 54.751652] Swap cache stats: add 0, delete 0, find 0/0 [ 54.751654] Free swap = 0kB [ 54.751656] Total swap = 0kB [ 54.751658] 1965979 pages RAM [ 54.751660] 0 pages HighMem/MovableOnly [ 54.751662] 313627 pages reserved [ 54.758179] syz-executor841 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 54.758186] CPU: 1 PID: 2075 Comm: syz-executor841 Not tainted 4.9.194+ #0 [ 54.758197] ffff8801c4be74d0 ffffffff81b67001 ffff8801c4be7828 ffffffff833f1c30 [ 54.758206] 00000000000003e8 ffff8801c4be7840 0000000000000000 ffff8801c4be7550 [ 54.758214] ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 [ 54.758216] Call Trace: [ 54.758225] [<0000000074475e56>] dump_stack+0xc1/0x120 [ 54.758234] [<000000004f174807>] dump_header.isra.0+0x142/0x74c [ 54.758257] [<00000000475c6aa8>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 54.758265] [<0000000055a042e4>] ? ___ratelimit+0x55/0x413 [ 54.758272] [<000000002b8c3ddd>] oom_kill_process.cold+0xd/0xa74 [ 54.758280] [<0000000062a2b726>] ? has_capability_noaudit+0x25/0x30 [ 54.758288] [<00000000baa6aa98>] ? oom_badness.part.0+0x11d/0x600 [ 54.758295] [<00000000d89bdf2c>] ? oom_badness.part.0+0x12f/0x600 [ 54.758302] [<00000000236b334f>] ? out_of_memory+0x6d3/0xea0 [ 54.758308] [<00000000507a05f3>] out_of_memory+0x29b/0xea0 [ 54.758315] [<00000000a5bafcb9>] ? out_of_memory+0x41c/0xea0 [ 54.758322] [<000000009893d912>] ? oom_killer_disable+0x210/0x210 [ 54.758329] [<00000000274d6896>] ? trace_hardirqs_on+0xd/0x10 [ 54.758335] [<000000006f45700c>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 54.758341] [<000000007be9d76e>] __alloc_pages_nodemask+0x1730/0x1a80 [ 54.758349] [<000000004363751c>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 54.758355] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 54.758363] [<0000000023c31bd6>] __vmalloc_node_range+0x25b/0x610 [ 54.758371] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 54.758377] [<0000000085065838>] vmalloc+0x5c/0x70 [ 54.758384] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 54.758391] [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 [ 54.758398] [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 executing program [ 54.758404] [<000000003d2dd38c>] ? up_read+0x1a/0x40 [ 54.758411] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 54.758417] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 54.758430] [<0000000080e1f1f6>] ? arpt_do_table+0x16e0/0x16e0 [ 54.758437] [<000000005646fe11>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.758444] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 54.758451] [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 [ 54.758461] [<00000000189ccda6>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 54.758468] [<00000000e493c540>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 54.758475] [<000000002bf4bf68>] ? __cap_capable+0x182/0x1d0 [ 54.758482] [<00000000e64fb0b9>] ? ns_capable_common+0x12c/0x160 [ 54.758489] [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 [ 54.758497] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 [ 54.758504] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 [ 54.758511] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 [ 54.758520] [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 [ 54.758526] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 [ 54.758533] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 54.758539] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 54.758545] [<00000000df62bbfc>] ? do_syscall_64+0x4a/0x5c0 [ 54.758551] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 54.758557] [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 [ 54.758569] [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 54.758587] Mem-Info: [ 54.758601] active_anon:3219 inactive_anon:40 isolated_anon:0 [ 54.758601] active_file:8 inactive_file:14 isolated_file:0 [ 54.758601] unevictable:0 dirty:0 writeback:0 unstable:0 [ 54.758601] slab_reclaimable:4270 slab_unreclaimable:56605 [ 54.758601] mapped:28 shmem:48 pagetables:361 bounce:0 [ 54.758601] free:0 free_pcp:0 free_cma:0 [ 54.758612] Node 0 active_anon:12876kB inactive_anon:160kB active_file:32kB inactive_file:56kB 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 [ 54.758627] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 54.758649] Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12876kB inactive_anon:160kB active_file:32kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17080kB slab_unreclaimable:226420kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 54.758680] 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: 7*4kB (M) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 28kB 99 total pagecache pages [ 54.758709] 0 pages in swap cache [ 54.758713] Swap cache stats: add 0, delete 0, find 0/0 [ 54.758714] Free swap = 0kB [ 54.758716] Total swap = 0kB [ 54.758718] 1965979 pages RAM [ 54.758720] 0 pages HighMem/MovableOnly [ 54.758721] 313627 pages reserved [ 54.758723] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 54.758734] [ 470] 0 470 5392 191 18 3 0 -1000 udevd [ 54.758742] [ 591] 0 591 5383 176 16 3 0 -1000 udevd [ 54.758750] [ 592] 0 592 5383 176 16 3 0 -1000 udevd [ 54.758758] [ 1752] 0 1752 2492 573 10 3 0 0 dhclient [ 54.758766] [ 1891] 0 1891 14231 108 24 3 0 0 rsyslogd [ 54.758774] [ 1945] 0 1945 4724 51 16 3 0 0 cron [ 54.758781] [ 1966] 0 1966 3734 44 10 3 0 0 mcstransd [ 54.758790] [ 1975] 0 1975 12926 1228 26 3 0 0 restorecond [ 54.758798] [ 1990] 0 1990 12489 153 28 3 0 -1000 sshd [ 54.758806] [ 2024] 0 2024 3648 41 13 3 0 0 getty [ 54.758813] [ 2055] 0 2055 3648 41 13 3 0 0 getty ** 8 printk messages dropped ** [ 54.758883] [ 2065] 0 2065 4380 11 4 2 0 0 syz-executor841 ** 54 printk messages dropped ** [ 54.778521] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ** 190 printk messages dropped ** [ 56.813198] [<0000000062a2b726>] ? has_capability_noaudit+0x25/0x30 ** 52 printk messages dropped ** [ 56.813638] Swap cache stats: add 0, delete 0, find 0/0 [ 56.813640] Free swap = 0kB [ 56.813642] Total swap = 0kB [ 56.813644] 1965979 pages RAM [ 56.813645] 0 pages HighMem/MovableOnly [ 56.813647] 313627 pages reserved [ 56.813649] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name ** 46 printk messages dropped ** [ 56.822844] [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 [ 56.822852] [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 [ 56.822861] [<000000003d2dd38c>] ? up_read+0x1a/0x40 [ 56.822868] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 56.822875] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 56.822882] [<0000000080e1f1f6>] ? arpt_do_table+0x16e0/0x16e0 [ 56.822890] [<000000005646fe11>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.822896] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 56.822903] [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 [ 56.822910] [<00000000189ccda6>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 56.822916] [<00000000e493c540>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 56.822923] [<000000002bf4bf68>] ? __cap_capable+0x182/0x1d0 [ 56.822932] [<00000000e64fb0b9>] ? ns_capable_common+0x12c/0x160 [ 56.822938] [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 [ 56.822946] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 [ 56.822952] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 [ 56.822959] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 [ 56.822967] [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 [ 56.822974] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 [ 56.822980] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 56.822986] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 56.822992] [<00000000df62bbfc>] ? do_syscall_64+0x4a/0x5c0 [ 56.822999] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 56.823005] [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 [ 56.823012] [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 56.823015] Mem-Info: [ 56.823030] active_anon:3238 inactive_anon:40 isolated_anon:0 [ 56.823030] active_file:14 inactive_file:31 isolated_file:0 [ 56.823030] unevictable:0 dirty:0 writeback:0 unstable:0 [ 56.823030] slab_reclaimable:4275 slab_unreclaimable:56454 [ 56.823030] mapped:18 shmem:48 pagetables:361 bounce:0 [ 56.823030] free:2 free_pcp:0 free_cma:0 [ 56.823041] Node 0 active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 56.823057] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 56.823079] Normal free:8kB min:5580kB low:9168kB high:12756kB active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17100kB slab_unreclaimable:225816kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 56.823110] 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: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 93 total pagecache pages [ 56.823138] 0 pages in swap cache [ 56.823142] Swap cache stats: add 0, delete 0, find 0/0 [ 56.823143] Free swap = 0kB [ 56.823145] Total swap = 0kB [ 56.823147] 1965979 pages RAM [ 56.823149] 0 pages HighMem/MovableOnly [ 56.823150] 313627 pages reserved [ 56.847917] oom_reaper: reaped process 2075 (syz-executor841), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 56.908845] syz-executor841 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 56.908854] CPU: 1 PID: 2077 Comm: syz-executor841 Not tainted 4.9.194+ #0 [ 56.908868] ffff8801cef2f4d0 ffffffff81b67001 ffff8801cef2f828 ffffffff833f1c30 [ 56.908877] 00000000000003e8 ffff8801cef2f840 0000000000000000 ffff8801cef2f550 [ 56.908885] ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 [ 56.908887] Call Trace: [ 56.908900] [<0000000074475e56>] dump_stack+0xc1/0x120 [ 56.908911] [<000000004f174807>] dump_header.isra.0+0x142/0x74c [ 56.908919] [<00000000475c6aa8>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 56.908927] [<0000000055a042e4>] ? ___ratelimit+0x55/0x413 [ 56.908934] [<000000002b8c3ddd>] oom_kill_process.cold+0xd/0xa74 [ 56.908943] [<0000000062a2b726>] ? has_capability_noaudit+0x25/0x30 [ 56.908952] [<00000000baa6aa98>] ? oom_badness.part.0+0x11d/0x600 [ 56.908959] [<00000000d89bdf2c>] ? oom_badness.part.0+0x12f/0x600 [ 56.908965] [<00000000236b334f>] ? out_of_memory+0x6d3/0xea0 [ 56.908972] [<00000000507a05f3>] out_of_memory+0x29b/0xea0 [ 56.908979] [<00000000a5bafcb9>] ? out_of_memory+0x41c/0xea0 [ 56.908986] [<000000009893d912>] ? oom_killer_disable+0x210/0x210 [ 56.908994] [<00000000274d6896>] ? trace_hardirqs_on+0xd/0x10 [ 56.909000] [<000000006f45700c>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 56.909007] [<000000007be9d76e>] __alloc_pages_nodemask+0x1730/0x1a80 [ 56.909013] [<00000000556596e4>] ? __switch_to_asm+0x35/0x70 [ 56.909020] [<000000004363751c>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 56.909030] [<0000000023c31bd6>] __vmalloc_node_range+0x25b/0x610 [ 56.909040] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 56.909046] [<0000000085065838>] vmalloc+0x5c/0x70 [ 56.909053] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 56.909060] [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 [ 56.909067] [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 [ 56.909075] [<000000003d2dd38c>] ? up_read+0x1a/0x40 [ 56.909082] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 56.909089] [<00000000d2c3ef13>] ? bad_area_access_error+0x3d0/0x3d0 [ 56.909095] [<0000000080e1f1f6>] ? arpt_do_table+0x16e0/0x16e0 [ 56.909104] [<000000005646fe11>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.909110] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 56.909117] [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 [ 56.909124] [<00000000189ccda6>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 56.909130] [<000000005c0e71b3>] ? mutex_unlock+0x9/0x10 [ 56.909137] [<000000002bf4bf68>] ? __cap_capable+0x182/0x1d0 [ 56.909145] [<00000000e64fb0b9>] ? ns_capable_common+0x12c/0x160 [ 56.909152] [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 [ 56.909160] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 [ 56.909167] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 [ 56.909173] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 [ 56.909182] [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 [ 56.909189] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 [ 56.909196] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 56.909208] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 56.909215] [<00000000d2c3ef13>] ? bad_area_access_error+0x3d0/0x3d0 [ 56.909222] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 56.909228] [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 [ 56.909235] [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 56.910554] Mem-Info: [ 56.910571] active_anon:3238 inactive_anon:40 isolated_anon:0 [ 56.910571] active_file:14 inactive_file:31 isolated_file:0 [ 56.910571] unevictable:0 dirty:0 writeback:0 unstable:0 [ 56.910571] slab_reclaimable:4275 slab_unreclaimable:56454 [ 56.910571] mapped:18 shmem:48 pagetables:361 bounce:0 [ 56.910571] free:756 free_pcp:183 free_cma:0 [ 56.910583] Node 0 active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 56.910600] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 56.910624] Normal free:2900kB min:5580kB low:9168kB high:12756kB active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17100kB slab_unreclaimable:225816kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:620kB local_pcp:620kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 56.910657] 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: 10*4kB (UM) 0*8kB 0*16kB 0*32kB 0*64kB 1*128kB (U) 10*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2728kB 93 total pagecache pages [ 56.910691] 0 pages in swap cache [ 56.910695] Swap cache stats: add 0, delete 0, find 0/0 [ 56.910697] Free swap = 0kB [ 56.910699] Total swap = 0kB [ 56.910701] 1965979 pages RAM [ 56.910702] 0 pages HighMem/MovableOnly [ 56.910704] 313627 pages reserved [ 56.910706] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 56.910720] [ 470] 0 470 5392 191 18 3 0 -1000 udevd [ 56.910728] [ 591] 0 591 5383 176 16 3 0 -1000 udevd [ 56.910737] [ 592] 0 592 5383 176 16 3 0 -1000 udevd [ 56.910745] [ 1752] 0 1752 2492 573 10 3 0 0 dhclient [ 56.910753] [ 1891] 0 1891 14231 108 24 3 0 0 rsyslogd [ 56.910761] [ 1945] 0 1945 4724 50 16 3 0 0 cron [ 56.910769] [ 1966] 0 1966 3734 44 10 3 0 0 mcstransd [ 56.910777] [ 1975] 0 1975 12926 1228 26 3 0 0 restorecond [ 56.910785] [ 1990] 0 1990 12489 153 28 3 0 -1000 sshd [ 56.910794] [ 2024] 0 2024 3648 41 13 3 0 0 getty [ 56.910802] [ 2055] 0 2055 3648 41 13 3 0 0 getty [ 56.910810] [ 2056] 0 2056 3648 42 13 3 0 0 getty [ 56.910818] [ 2057] 0 2057 3648 43 13 3 0 0 getty [ 56.910826] [ 2058] 0 2058 3648 44 13 3 0 0 getty [ 56.910834] [ 2059] 0 2059 3648 43 13 3 0 0 getty [ 56.910842] [ 2060] 0 2060 3648 44 12 3 0 0 getty [ 56.910850] [ 2061] 0 2061 17820 196 38 3 0 0 sshd [ 56.910858] [ 2063] 0 2063 4380 1 4 2 0 0 syz-executor841 [ 56.910866] [ 2064] 0 2064 4380 11 4 2 0 0 syz-executor841 [ 56.910874] [ 2065] 0 2065 4380 11 4 2 0 0 syz-executor841 [ 56.910882] [ 2067] 0 2067 4380 11 4 2 0 0 syz-executor841 [ 56.910890] [ 2068] 0 2068 4380 11 4 2 0 0 syz-executor841 [ 56.910898] [ 2069] 0 2069 4380 11 4 2 0 0 syz-executor841 [ 56.910906] [ 2070] 0 2070 4380 11 4 2 0 0 syz-executor841 [ 56.910914] [ 2074] 0 2074 4380 0 5 2 0 1000 syz-executor841 [ 56.910922] [ 2075] 0 2075 4380 0 5 2 0 1000 syz-executor841 [ 56.910931] [ 2076] 0 2076 4380 11 5 2 0 1000 syz-executor841 [ 56.910939] [ 2077] 0 2077 4380 11 5 2 0 1000 syz-executor841 [ 56.910947] [ 2078] 0 2078 4380 11 5 2 0 1000 syz-executor841 [ 56.910956] [ 2079] 0 2079 4380 11 5 2 0 1000 syz-executor841 [ 56.910961] Out of memory: Kill process 2076 (syz-executor841) score 999 or sacrifice child [ 56.910971] Killed process 2076 (syz-executor841) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 56.947928] oom_reaper: reaped process 2076 (syz-executor841), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 56.956277] syz-executor841 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 56.956285] CPU: 0 PID: 2079 Comm: syz-executor841 Not tainted 4.9.194+ #0 [ 56.956300] ffff8801ce5df4d0 ffffffff81b67001 ffff8801ce5df828 ffffffff833f1c30 [ 56.956310] 00000000000003e8 ffff8801ce5df840 0000000000000000 ffff8801ce5df550 [ 56.956320] ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 [ 56.956321] Call Trace: [ 56.956337] [<0000000074475e56>] dump_stack+0xc1/0x120 [ 56.956348] [<000000004f174807>] dump_header.isra.0+0x142/0x74c [ 56.956357] [<00000000475c6aa8>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 56.956365] [<0000000055a042e4>] ? ___ratelimit+0x55/0x413 [ 56.956373] [<000000002b8c3ddd>] oom_kill_process.cold+0xd/0xa74 [ 56.956383] [<0000000062a2b726>] ? has_capability_noaudit+0x25/0x30 [ 56.956392] [<00000000baa6aa98>] ? oom_badness.part.0+0x11d/0x600 [ 56.956400] [<00000000d89bdf2c>] ? oom_badness.part.0+0x12f/0x600 [ 56.956407] [<00000000236b334f>] ? out_of_memory+0x6d3/0xea0 [ 56.956414] [<00000000507a05f3>] out_of_memory+0x29b/0xea0 [ 56.956422] [<00000000a5bafcb9>] ? out_of_memory+0x41c/0xea0 [ 56.956430] [<000000009893d912>] ? oom_killer_disable+0x210/0x210 [ 56.956442] [<00000000274d6896>] ? trace_hardirqs_on+0xd/0x10 [ 56.956449] [<000000006f45700c>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 56.956456] [<000000007be9d76e>] __alloc_pages_nodemask+0x1730/0x1a80 [ 56.956463] [<00000000556596e4>] ? __switch_to_asm+0x35/0x70 [ 56.956471] [<000000004363751c>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 56.956480] [<0000000023c31bd6>] __vmalloc_node_range+0x25b/0x610 [ 56.956490] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 56.956497] [<0000000085065838>] vmalloc+0x5c/0x70 [ 56.956505] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 56.956512] [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 [ 56.956520] [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 [ 56.956530] [<000000003d2dd38c>] ? up_read+0x1a/0x40 [ 56.956537] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 56.956545] [<00000000d2c3ef13>] ? bad_area_access_error+0x3d0/0x3d0 [ 56.956552] [<0000000080e1f1f6>] ? arpt_do_table+0x16e0/0x16e0 [ 56.956560] [<000000005646fe11>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.956568] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 56.956575] [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 [ 56.956582] [<00000000189ccda6>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 56.956588] [<000000005c0e71b3>] ? mutex_unlock+0x9/0x10 [ 56.956597] [<000000002bf4bf68>] ? __cap_capable+0x182/0x1d0 [ 56.956604] [<00000000e64fb0b9>] ? ns_capable_common+0x12c/0x160 [ 56.956612] [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 [ 56.956621] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 [ 56.956629] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 [ 56.956637] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 [ 56.956647] [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 [ 56.956653] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 [ 56.956659] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 56.956664] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 56.956670] [<00000000d2c3ef13>] ? bad_area_access_error+0x3d0/0x3d0 [ 56.956676] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 56.956681] [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 [ 56.956687] [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 56.961027] Mem-Info: [ 56.961044] active_anon:3238 inactive_anon:40 isolated_anon:0 [ 56.961044] active_file:14 inactive_file:31 isolated_file:0 [ 56.961044] unevictable:0 dirty:0 writeback:0 unstable:0 [ 56.961044] slab_reclaimable:4275 slab_unreclaimable:56454 [ 56.961044] mapped:18 shmem:48 pagetables:361 bounce:0 [ 56.961044] free:5951 free_pcp:239 free_cma:0 [ 56.961056] Node 0 active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 56.961072] DMA32 free:21896kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:716kB local_pcp:84kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 56.961095] Normal free:2108kB min:5580kB low:9168kB high:12756kB active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17100kB slab_unreclaimable:225816kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:152kB local_pcp:92kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 56.961134] DMA32: 7*4kB (U) 7*8kB (U) 6*16kB (U) 28*32kB (U) 300*64kB (U) 9*128kB (U) 3*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 22196kB Normal: 13*4kB (M) 1*8kB (M) 0*16kB 0*32kB 0*64kB 0*128kB 8*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2108kB 93 total pagecache pages [ 56.961167] 0 pages in swap cache [ 56.961170] Swap cache stats: add 0, delete 0, find 0/0 [ 56.961172] Free swap = 0kB [ 56.961173] Total swap = 0kB [ 56.961175] 1965979 pages RAM [ 56.961177] 0 pages HighMem/MovableOnly [ 56.961179] 313627 pages reserved [ 56.961181] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 56.961198] [ 470] 0 470 5392 191 18 3 0 -1000 udevd [ 56.961206] [ 591] 0 591 5383 176 16 3 0 -1000 udevd [ 56.961214] [ 592] 0 592 5383 176 16 3 0 -1000 udevd [ 56.961223] [ 1752] 0 1752 2492 573 10 3 0 0 dhclient [ 56.961231] [ 1891] 0 1891 14231 108 24 3 0 0 rsyslogd [ 56.961239] [ 1945] 0 1945 4724 50 16 3 0 0 cron [ 56.961246] [ 1966] 0 1966 3734 44 10 3 0 0 mcstransd [ 56.961255] [ 1975] 0 1975 12926 1228 26 3 0 0 restorecond [ 56.961263] [ 1990] 0 1990 12489 153 28 3 0 -1000 sshd [ 56.961271] [ 2024] 0 2024 3648 41 13 3 0 0 getty [ 56.961279] [ 2055] 0 2055 3648 41 13 3 0 0 getty [ 56.961287] [ 2056] 0 2056 3648 42 13 3 0 0 getty [ 56.961295] [ 2057] 0 2057 3648 43 13 3 0 0 getty [ 56.961303] [ 2058] 0 2058 3648 44 13 3 0 0 getty [ 56.961312] [ 2059] 0 2059 3648 43 13 3 0 0 getty [ 56.961320] [ 2060] 0 2060 3648 44 12 3 0 0 getty [ 56.961328] [ 2061] 0 2061 17820 196 38 3 0 0 sshd [ 56.961336] [ 2063] 0 2063 4380 1 4 2 0 0 syz-executor841 [ 56.961344] [ 2064] 0 2064 4380 11 4 2 0 0 syz-executor841 [ 56.961351] [ 2065] 0 2065 4380 11 4 2 0 0 syz-executor841 [ 56.961358] [ 2067] 0 2067 4380 11 4 2 0 0 syz-executor841 [ 56.961367] [ 2068] 0 2068 4380 11 4 2 0 0 syz-executor841 [ 56.961374] [ 2069] 0 2069 4380 11 4 2 0 0 syz-executor841 [ 56.961382] [ 2070] 0 2070 4380 11 4 2 0 0 syz-executor841 [ 56.961389] [ 2074] 0 2074 4380 0 5 2 0 1000 syz-executor841 [ 56.961397] [ 2075] 0 2075 4380 0 5 2 0 1000 syz-executor841 [ 56.961405] [ 2076] 0 2076 4380 0 5 2 0 1000 syz-executor841 [ 56.961412] [ 2077] 0 2077 4380 11 5 2 0 1000 syz-executor841 [ 56.961420] [ 2078] 0 2078 4380 11 5 2 0 1000 syz-executor841 [ 56.961429] [ 2079] 0 2079 4380 11 5 2 0 1000 syz-executor841 [ 56.961433] Out of memory: Kill process 2077 (syz-executor841) score 999 or sacrifice child [ 56.961454] Killed process 2077 (syz-executor841) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 56.966142] syz-executor841: [ 56.966147] syz-executor841: [ 56.966150] vmalloc: allocation failure, allocated 1186258944 of 6128504832 bytesvmalloc: allocation failure, allocated 1265184768 of 6128504832 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 56.966162] CPU: 0 PID: 2074 Comm: syz-executor841 Not tainted 4.9.194+ #0 [ 56.966174] ffff8801c5a5f7a8 ffffffff81b67001 1ffff10038b4bef7 dffffc0000000000 [ 56.966182] ffffffff82aab480 0000000000000000 0000000000400000 ffff8801c5a5f8d0 [ 56.966190] ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 [ 56.966191] Call Trace: [ 56.966204] [<0000000074475e56>] dump_stack+0xc1/0x120 [ 56.966213] [<000000000572823a>] warn_alloc.cold+0x76/0x93 [ 56.966219] [<000000006a5c3111>] ? zone_watermark_ok_safe+0x260/0x260 [ 56.966227] [<0000000020a1ad8e>] ? debug_lockdep_rcu_enabled+0x8/0xa0 [ 56.966235] [<00000000be044e25>] __vmalloc_node_range+0x404/0x610 [ 56.966243] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 56.966249] [<0000000085065838>] vmalloc+0x5c/0x70 [ 56.966255] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 56.966261] [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 [ 56.966268] [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 [ 56.966275] [<000000003d2dd38c>] ? up_read+0x1a/0x40 [ 56.966282] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 56.966289] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 56.966295] [<0000000080e1f1f6>] ? arpt_do_table+0x16e0/0x16e0 [ 56.966302] [<000000005646fe11>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.966308] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 56.966314] [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 [ 56.966320] [<00000000189ccda6>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 56.966326] [<00000000e493c540>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 56.966333] [<000000002bf4bf68>] ? __cap_capable+0x182/0x1d0 [ 56.966343] [<00000000e64fb0b9>] ? ns_capable_common+0x12c/0x160 [ 56.966350] [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 [ 56.966363] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 [ 56.966372] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 [ 56.966379] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 [ 56.966389] [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 [ 56.966395] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 [ 56.966401] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 56.966407] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 56.966412] [<00000000df62bbfc>] ? do_syscall_64+0x4a/0x5c0 [ 56.966418] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 56.966423] [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 [ 56.966430] [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 56.966471] syz-executor841: vmalloc: allocation failure, allocated 1338609664 of 6128504832 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 56.966477] CPU: 0 PID: 2076 Comm: syz-executor841 Not tainted 4.9.194+ #0 [ 56.966486] ffff8801ce23f7a8 ffffffff81b67001 1ffff10039c47ef7 dffffc0000000000 [ 56.966495] ffffffff82aab480 0000000000000000 0000000000400000 ffff8801ce23f8d0 [ 56.966503] ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 [ 56.966504] Call Trace: [ 56.966511] [<0000000074475e56>] dump_stack+0xc1/0x120 [ 56.966518] [<000000000572823a>] warn_alloc.cold+0x76/0x93 [ 56.966524] [<000000006a5c3111>] ? zone_watermark_ok_safe+0x260/0x260 [ 56.966532] [<00000000be044e25>] __vmalloc_node_range+0x404/0x610 [ 56.966538] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 56.966544] [<0000000085065838>] vmalloc+0x5c/0x70 [ 56.966551] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 56.966557] [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 [ 56.966563] [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 [ 56.966570] [<000000003d2dd38c>] ? up_read+0x1a/0x40 [ 56.966576] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 56.966582] [<00000000d2c3ef13>] ? bad_area_access_error+0x3d0/0x3d0 [ 56.966588] [<0000000080e1f1f6>] ? arpt_do_table+0x16e0/0x16e0 [ 56.966595] [<000000005646fe11>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.966601] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 56.966608] [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 [ 56.966615] [<00000000189ccda6>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 56.966620] [<000000005c0e71b3>] ? mutex_unlock+0x9/0x10 [ 56.966626] [<000000002bf4bf68>] ? __cap_capable+0x182/0x1d0 [ 56.966633] [<00000000e64fb0b9>] ? ns_capable_common+0x12c/0x160 [ 56.966639] [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 [ 56.966646] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 [ 56.966652] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 [ 56.966658] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 [ 56.966665] [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 [ 56.966671] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 [ 56.966678] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 56.966684] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 56.966690] [<00000000d2c3ef13>] ? bad_area_access_error+0x3d0/0x3d0 [ 56.966697] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 56.966703] [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 [ 56.966709] [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 56.966711] Mem-Info: [ 56.966726] active_anon:3238 inactive_anon:40 isolated_anon:0 [ 56.966726] active_file:14 inactive_file:31 isolated_file:0 [ 56.966726] unevictable:0 dirty:0 writeback:0 unstable:0 [ 56.966726] slab_reclaimable:4275 slab_unreclaimable:56454 [ 56.966726] mapped:18 shmem:48 pagetables:361 bounce:0 [ 56.966726] free:400 free_pcp:183 free_cma:0 [ 56.966738] Node 0 active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 56.966754] DMA32 free:1800kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:636kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 56.966776] Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17100kB slab_unreclaimable:225816kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 56.966814] DMA32: 15*4kB (U) 18*8kB (U) 15*16kB (U) 14*32kB (U) 15*64kB (U) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2108kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 93 total pagecache pages [ 56.966842] 0 pages in swap cache [ 56.966845] Swap cache stats: add 0, delete 0, find 0/0 [ 56.966847] Free swap = 0kB [ 56.966849] Total swap = 0kB [ 56.966851] 1965979 pages RAM [ 56.966853] 0 pages HighMem/MovableOnly [ 56.966854] 313627 pages reserved [ 56.967487] CPU: 1 PID: 2077 Comm: syz-executor841 Not tainted 4.9.194+ #0 [ 56.967498] ffff8801cef2f7a8 ffffffff81b67001 1ffff10039de5ef7 dffffc0000000000 [ 56.967507] ffffffff82aab480 0000000000000000 0000000000400000 ffff8801cef2f8d0 [ 56.967516] ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 [ 56.967518] Call Trace: [ 56.967527] [<0000000074475e56>] dump_stack+0xc1/0x120 [ 56.967536] [<000000000572823a>] warn_alloc.cold+0x76/0x93 [ 56.967542] [<000000006a5c3111>] ? zone_watermark_ok_safe+0x260/0x260 [ 56.967543] Mem-Info: [ 56.967548] [<0000000020a1ad8e>] ? debug_lockdep_rcu_enabled+0x8/0xa0 [ 56.967558] active_anon:3238 inactive_anon:40 isolated_anon:0 [ 56.967558] active_file:14 inactive_file:31 isolated_file:0 [ 56.967558] unevictable:0 dirty:0 writeback:0 unstable:0 [ 56.967558] slab_reclaimable:4275 slab_unreclaimable:56454 [ 56.967558] mapped:18 shmem:48 pagetables:361 bounce:0 [ 56.967558] free:2475 free_pcp:322 free_cma:0 [ 56.967564] [<00000000be044e25>] __vmalloc_node_range+0x404/0x610 [ 56.967573] Node 0 active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 56.967579] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 56.967591] DMA32 free:6600kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:620kB local_pcp:0kB free_cma:0kB [<0000000085065838>] vmalloc+0x5c/0x70 [ 56.967601] lowmem_reserve[]: [ 56.967601] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 56.967607] 0 [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 [ 56.967613] 3505 [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 [ 56.967620] 3505 [<000000003d2dd38c>] ? up_read+0x1a/0x40 [ 56.967627] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 56.967639] Normal free:3300kB min:5580kB low:9168kB high:12756kB active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17100kB slab_unreclaimable:225816kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:668kB local_pcp:668kB free_cma:0kB [<00000000d2c3ef13>] ? bad_area_access_error+0x3d0/0x3d0 [ 56.967648] lowmem_reserve[]: [ 56.967649] [<0000000080e1f1f6>] ? arpt_do_table+0x16e0/0x16e0 [ 56.967655] 0 [<000000005646fe11>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.967662] 0 [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 56.967664] 0 [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 [ 56.967675] DMA32: [<00000000189ccda6>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 56.967680] 52*4kB [<000000005c0e71b3>] ? mutex_unlock+0x9/0x10 [ 56.967686] (U) [<000000002bf4bf68>] ? __cap_capable+0x182/0x1d0 [ 56.967694] 55*8kB [<00000000e64fb0b9>] ? ns_capable_common+0x12c/0x160 [ 56.967700] (U) [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 [ 56.967707] 52*16kB [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 [ 56.967712] (U) [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 [ 56.967719] 49*32kB [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 [ 56.967725] (U) [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 [ 56.967732] 49*64kB [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 [ 56.967738] (U) [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 56.967744] 2*128kB [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 56.967750] (U) [<00000000d2c3ef13>] ? bad_area_access_error+0x3d0/0x3d0 [ 56.967756] 1*256kB [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 56.967762] (U) [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 [ 56.967768] 0*512kB [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 56.967771] 0*1024kB Mem-Info: [ 56.967783] 0*2048kB active_anon:3238 inactive_anon:40 isolated_anon:0 [ 56.967783] active_file:14 inactive_file:31 isolated_file:0 [ 56.967783] unevictable:0 dirty:0 writeback:0 unstable:0 [ 56.967783] slab_reclaimable:4275 slab_unreclaimable:56454 [ 56.967783] mapped:18 shmem:48 pagetables:361 bounce:0 [ 56.967783] free:2475 free_pcp:322 free_cma:0 [ 56.967793] 0*4096kB Node 0 active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 56.967794] = 6696kB DMA32 free:6600kB 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:620kB local_pcp:620kB free_cma:0kB Normal: lowmem_reserve[]: [ 56.967811] 23*4kB 0(U) 350525*8kB 3505(U) 165*16kB Normal free:3300kB min:5580kB low:9168kB high:12756kB active_anon:12952kB inactive_anon:160kB active_file:56kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17100kB slab_unreclaimable:225816kB kernel_stack:3424kB pagetables:1444kB bounce:0kB free_pcp:668kB local_pcp:0kB free_cma:0kB (U) 13*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3348kB lowmem_reserve[]: [ 56.967874] 93 total pagecache pages [ 56.967876] 00 pages in swap cache [ 56.967880] 0Swap cache stats: add 0, delete 0, find 0/0 [ 56.967882] 0Free swap = 0kB [ 56.967884] Total swap = 0kB [ 56.967887] DMA32: 1965979 pages RAM [ 56.967890] 52*4kB 0 pages HighMem/MovableOnly [ 56.967892] (U) 313627 pages reserved [ 56.967924] 55*8kB (U) 52*16kB (U) 49*32kB (U) 49*64kB (U) 2*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 6696kB Normal: 23*4kB (U) 25*8kB (U) 165*16kB (U) 13*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3348kB 93 total pagecache pages [ 56.967956] 0 pages in swap cache [ 56.967959] Swap cache stats: add 0, delete 0, find 0/0 [ 56.967960] Free swap = 0kB [ 56.967962] Total swap = 0kB [ 56.967964] 1965979 pages RAM [ 56.967965] 0 pages HighMem/MovableOnly [ 56.967967] 313627 pages reserved [ 56.977931] oom_reaper: reaped process 2077 (syz-executor841), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 57.887455] lowmemorykiller: Killing 'syz-executor841' (2078) (tgid 2078), adj 1000, [ 57.887455] to free 44kB on behalf of 'syz-executor841' (2078) because [ 57.887455] cache 2136kB is below limit 6144kB for oom_score_adj 0 [ 57.887455] Free memory is -13356kB above reserved [ 57.888317] lowmemorykiller: Killing 'syz-executor841' (2078) (tgid 2078), adj 1000, [ 57.888317] to free 44kB on behalf of 'syz-executor841' (2079) because [ 57.888317] cache 2136kB is below limit 6144kB for oom_score_adj 0 [ 57.888317] Free memory is -13428kB above reserved [ 57.937934] oom_reaper: reaped process 2078 (syz-executor841), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 57.945925] syz-executor841 invoked oom-killer: gfp_mask=0x24082c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), nodemask=0, order=0, oom_score_adj=1000 [ 57.945932] CPU: 1 PID: 2083 Comm: syz-executor841 Not tainted 4.9.194+ #0 [ 57.945947] ffff8801ce23f438 ffffffff81b67001 ffff8801ce23f790 ffffffff833f1c30 [ 57.945956] 00000000000003e8 ffff8801ce23f7a8 0000000000000000 ffff8801ce23f4b8 [ 57.945965] ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 [ 57.945966] Call Trace: [ 57.945980] [<0000000074475e56>] dump_stack+0xc1/0x120 [ 57.945990] [<000000004f174807>] dump_header.isra.0+0x142/0x74c [ 57.945998] [<00000000475c6aa8>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 57.946006] [<0000000055a042e4>] ? ___ratelimit+0x55/0x413 [ 57.946013] [<000000002b8c3ddd>] oom_kill_process.cold+0xd/0xa74 [ 57.946022] [<0000000062a2b726>] ? has_capability_noaudit+0x25/0x30 [ 57.946030] [<00000000baa6aa98>] ? oom_badness.part.0+0x11d/0x600 [ 57.946037] [<00000000d89bdf2c>] ? oom_badness.part.0+0x12f/0x600 [ 57.946044] [<00000000236b334f>] ? out_of_memory+0x6d3/0xea0 [ 57.946050] [<00000000507a05f3>] out_of_memory+0x29b/0xea0 [ 57.946057] [<00000000a5bafcb9>] ? out_of_memory+0x41c/0xea0 [ 57.946064] [<000000009893d912>] ? oom_killer_disable+0x210/0x210 [ 57.946071] [<00000000274d6896>] ? trace_hardirqs_on+0xd/0x10 [ 57.946078] [<000000006f45700c>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 57.946084] [<000000007be9d76e>] __alloc_pages_nodemask+0x1730/0x1a80 [ 57.946091] [<000000004363751c>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 57.946099] [<000000002a508bc1>] ? debug_lockdep_rcu_enabled+0x73/0xa0 [ 57.946106] [<0000000023c31bd6>] __vmalloc_node_range+0x25b/0x610 [ 57.946115] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 57.946122] [<00000000654f7a10>] __vmalloc_node_range+0x4af/0x610 [ 57.946129] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 57.946135] [<0000000085065838>] vmalloc+0x5c/0x70 [ 57.946142] [<00000000d6400741>] ? xt_alloc_entry_offsets+0x44/0x50 [ 57.946149] [<00000000d6400741>] xt_alloc_entry_offsets+0x44/0x50 [ 57.946156] [<00000000d4cfc9da>] translate_table+0x2c7/0x1bd0 [ 57.946163] [<000000003d2dd38c>] ? up_read+0x1a/0x40 [ 57.946170] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 57.946177] [<00000000d2c3ef13>] ? bad_area_access_error+0x3d0/0x3d0 [ 57.946183] [<0000000080e1f1f6>] ? arpt_do_table+0x16e0/0x16e0 [ 57.946191] [<000000005646fe11>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 57.946198] [<0000000096648658>] ? retint_kernel+0x2d/0x2d [ 57.946205] [<000000008ae57b14>] do_replace.isra.0+0x1e9/0x480 [ 57.946212] [<00000000189ccda6>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 57.946218] [<000000005c0e71b3>] ? mutex_unlock+0x9/0x10 [ 57.946225] [<000000002bf4bf68>] ? __cap_capable+0x182/0x1d0 [ 57.946233] [<00000000e64fb0b9>] ? ns_capable_common+0x12c/0x160 [ 57.946239] [<00000000f73acde1>] do_arpt_set_ctl+0x108/0x150 [ 57.946248] [<0000000092a8d8b6>] nf_setsockopt+0x6d/0xc0 [ 57.946255] [<0000000003125ba2>] ip_setsockopt+0x8a/0xa0 [ 57.946261] [<00000000c70d1a74>] tcp_setsockopt+0x8a/0xe0 [ 57.946269] [<00000000f5e87aee>] sock_common_setsockopt+0x9a/0xe0 [ 57.946276] [<00000000e41257e5>] SyS_setsockopt+0x159/0x240 [ 57.946283] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 57.946289] [<0000000055ead7fa>] ? __do_page_fault+0x545/0xa60 [ 57.946296] [<00000000d2c3ef13>] ? bad_area_access_error+0x3d0/0x3d0 [ 57.946303] [<000000008d467182>] ? SyS_recv+0x40/0x40 [ 57.946309] [<00000000648bfb0b>] do_syscall_64+0x1ad/0x5c0 [ 57.946316] [<0000000021e8eb79>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 57.946319] Mem-Info: [ 57.946334] active_anon:3231 inactive_anon:40 isolated_anon:0 [ 57.946334] active_file:14 inactive_file:33 isolated_file:0 [ 57.946334] unevictable:0 dirty:0 writeback:0 unstable:0 [ 57.946334] slab_reclaimable:4280 slab_unreclaimable:56487 [ 57.946334] mapped:6 shmem:48 pagetables:361 bounce:0 [ 57.946334] free:6015 free_pcp:67 free_cma:0 [ 57.946346] Node 0 active_anon:12924kB inactive_anon:160kB active_file:56kB inactive_file:132kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:24kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 57.946362] DMA32 free:18596kB min:4696kB low:7712kB high:10728kB active_anon:4kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505