Warning: Permanently added '10.128.0.69' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 36.080648] lowmemorykiller: Killing 'syz-executor321' (2051) (tgid 2051), adj 1000, [ 36.080648] to free 44kB on behalf of 'kswapd0' (33) because [ 36.080648] cache 36668kB is below limit 65536kB for oom_score_adj 12 [ 36.080648] Free memory is -13276kB above reserved [ 36.112503] lowmemorykiller: Killing 'syz-executor321' (2051) (tgid 2051), adj 1000, [ 36.112503] to free 44kB on behalf of 'syz-executor321' (2057) because [ 36.112503] cache 33668kB is below limit 65536kB for oom_score_adj 12 [ 36.112503] Free memory is -13312kB above reserved [ 36.112554] [ 36.112556] ================================= [ 36.112557] [ INFO: inconsistent lock state ] [ 36.112562] 4.9.193+ #0 Not tainted [ 36.112563] --------------------------------- [ 36.112566] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 36.112571] syz-executor321/2057 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 36.112588] (&mm->mmap_sem){+++++?}, at: [<00000000b8054b2d>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 36.112598] mark_held_locks+0xb1/0x100 [ 36.112602] lockdep_trace_alloc+0x18c/0x2b0 [ 36.112606] __alloc_pages_nodemask+0x143/0x1a80 [ 36.112612] __pmd_alloc+0x4a/0x330 [ 36.112617] move_page_tables+0xadb/0xd60 [ 36.112621] shift_arg_pages+0x1ae/0x470 [ 36.112625] setup_arg_pages+0x60d/0x7c0 [ 36.112632] load_elf_binary+0xa84/0x4a90 [ 36.112636] search_binary_handler+0x14f/0x700 [ 36.112640] do_execveat_common.isra.0+0xf81/0x1db0 [ 36.112643] do_execve+0x3a/0x50 [ 36.112649] run_init_process+0x33/0x37 [ 36.112654] try_to_run_init_process+0x18/0x48 [ 36.112661] kernel_init+0xf2/0x163 [ 36.112665] ret_from_fork+0x5c/0x70 [ 36.112667] irq event stamp: 572479 [ 36.112673] hardirqs last enabled at (572479): [<000000003e6e6261>] restore_regs_and_iret+0x0/0x1d [ 36.112679] hardirqs last disabled at (572478): [<0000000021eabaab>] apic_timer_interrupt+0xa0/0xb0 [ 36.112685] softirqs last enabled at (569036): [<00000000dd12071d>] __do_softirq+0x474/0x964 [ 36.112691] softirqs last disabled at (569029): [<0000000070a731f6>] irq_exit+0x119/0x160 [ 36.112692] [ 36.112692] other info that might help us debug this: [ 36.112694] Possible unsafe locking scenario: [ 36.112694] [ 36.112695] CPU0 [ 36.112696] ---- [ 36.112699] lock(&mm->mmap_sem); [ 36.112700] [ 36.112702] lock(&mm->mmap_sem); [ 36.112703] [ 36.112703] *** DEADLOCK *** [ 36.112703] [ 36.112706] 1 lock held by syz-executor321/2057: [ 36.112717] #0: (shrinker_rwsem){++++..}, at: [<000000004cd0ddd5>] shrink_slab.part.0+0xb2/0xa20 [ 36.112718] [ 36.112718] stack backtrace: [ 36.112723] CPU: 0 PID: 2057 Comm: syz-executor321 Not tainted 4.9.193+ #0 [ 36.112735] ffff8801cf2fefe0 ffffffff81b67081 00000000000000f0 ffff8801d2585f00 [ 36.112742] ffffffff83cb0990 ffff8801d25867f8 ffffffff84252000 ffff8801cf2ff058 [ 36.112748] ffffffff814087b0 0000000000000000 ffffffff00000001 0000000000000001 [ 36.112754] Call Trace: [ 36.112762] [<0000000018d456e1>] dump_stack+0xc1/0x120 [ 36.112769] [<00000000330ff9ca>] print_usage_bug.cold+0x452/0x5a2 [ 36.112774] [<000000002746ab64>] mark_lock+0x6c7/0x12e0 [ 36.112779] [<00000000bf813198>] ? print_irq_inversion_bug+0xa0/0xa0 [ 36.112784] [<000000008afa15b3>] __lock_acquire+0x5be/0x4390 [ 36.112789] [<00000000388b8a87>] ? trace_hardirqs_on+0x10/0x10 [ 36.112795] [<000000000ee1c711>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.112802] [<000000001b30fb4a>] ? check_preemption_disabled+0x3c/0x200 [ 36.112808] [<00000000ecb6747c>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 36.112816] [<000000001f8ace93>] lock_acquire+0x133/0x3d0 [ 36.112822] [<00000000b8054b2d>] ? get_cmdline+0xa3/0x2d0 [ 36.112829] [<0000000092aff8d5>] down_read+0x44/0xb0 [ 36.112835] [<00000000b8054b2d>] ? get_cmdline+0xa3/0x2d0 [ 36.112840] [<00000000b8054b2d>] get_cmdline+0xa3/0x2d0 [ 36.112847] [<00000000f115664c>] handle_lmk_event+0x169/0x920 [ 36.112852] [<0000000005889603>] ? lmk_event_show+0x390/0x390 [ 36.112857] [<00000000337b4f79>] ? vprintk+0x28/0x30 [ 36.112862] [<00000000ecb6747c>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 36.112867] [<00000000d254772f>] ? kill_pid_info_as_cred+0x540/0x540 [ 36.112873] [<000000001b30fb4a>] ? check_preemption_disabled+0x3c/0x200 [ 36.112878] [<000000001b30fb4a>] ? check_preemption_disabled+0x3c/0x200 [ 36.112884] [<000000001b30fb4a>] ? check_preemption_disabled+0x3c/0x200 [ 36.112889] [<0000000027014ec7>] ? lowmem_scan+0x6ae/0xb70 [ 36.112894] [<00000000116f141c>] lowmem_scan+0x6f3/0xb70 [ 36.112899] [<000000008c8ed04d>] shrink_slab.part.0+0x3cf/0xa20 [ 36.112905] [<00000000f3c542f9>] ? unregister_shrinker+0x230/0x230 [ 36.112911] [<00000000964e902c>] shrink_node+0x1ed/0x750 [ 36.112917] [<0000000012bd0a1b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 36.112924] [<0000000004fa26a6>] ? __delayacct_freepages_start+0x41/0x80 [ 36.112930] [<000000000f4fdfa9>] try_to_free_pages+0x397/0xbd0 [ 36.112935] [<000000006d292f4e>] ? shrink_node+0x750/0x750 [ 36.112940] [<0000000007eedb99>] __alloc_pages_nodemask+0x930/0x1a80 [ 36.112946] [<000000000ee1c711>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.112951] [<000000008252579c>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 36.112955] [<000000003e6e6261>] ? retint_kernel+0x2d/0x2d [ 36.112961] [<00000000c8a282f2>] __vmalloc_node_range+0x25b/0x610 [ 36.112969] [<00000000c86bc94a>] ? xt_alloc_table_info+0xc8/0x100 [ 36.112974] [<000000005f88dc00>] vmalloc+0x5c/0x70 [ 36.112979] [<00000000c86bc94a>] ? xt_alloc_table_info+0xc8/0x100 [ 36.112984] [<00000000c86bc94a>] xt_alloc_table_info+0xc8/0x100 [ 36.112990] [<0000000098ea1c3f>] do_replace.isra.0+0x111/0x480 [ 36.112995] [<000000005ca5323d>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 36.113000] [<00000000867e8041>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 36.113006] [<000000000b4ae8bf>] ? __cap_capable+0x182/0x1d0 [ 36.113012] [<00000000130c1a7c>] ? ns_capable_common+0x12c/0x160 [ 36.113017] [<000000003ffa0122>] do_arpt_set_ctl+0x108/0x150 executing program executing program executing program [ 36.113024] [<00000000bbb25370>] nf_setsockopt+0x6d/0xc0 [ 36.113029] [<00000000700fcab4>] ip_setsockopt+0x8a/0xa0 [ 36.113034] [<0000000043dc8f3c>] tcp_setsockopt+0x8a/0xe0 [ 36.113042] [<0000000056d5cfb7>] sock_common_setsockopt+0x9a/0xe0 [ 36.113047] [<0000000006e5faaa>] SyS_setsockopt+0x159/0x240 [ 36.113052] [<0000000016a60696>] ? SyS_recv+0x40/0x40 [ 36.113057] [<00000000db3075d3>] ? __do_page_fault+0x545/0xa60 [ 36.113061] [<000000008ce0ada5>] ? do_syscall_64+0x4a/0x5c0 [ 36.113066] [<0000000016a60696>] ? SyS_recv+0x40/0x40 [ 36.113070] [<000000007c8e5a5f>] do_syscall_64+0x1ad/0x5c0 [ 36.113076] [<0000000061419cbd>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 36.242646] oom_reaper: reaped process 2051 (syz-executor321), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 36.255740] syz-executor321 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 36.255748] CPU: 1 PID: 2058 Comm: syz-executor321 Not tainted 4.9.193+ #0 [ 36.255761] ffff8801cee176a8 ffffffff81b67081 ffff8801cee17a00 ffffffff833f1c30 [ 36.255770] 00000000000003e8 ffff8801cee17a18 0000000000000000 ffff8801cee17728 [ 36.255779] ffffffff81506ee4 0000000000000000 00000000000003e8 ffffffff8282a8c5 [ 36.255780] Call Trace: [ 36.255794] [<0000000018d456e1>] dump_stack+0xc1/0x120 [ 36.255881] [<00000000f0c8fd19>] dump_header.isra.0+0x142/0x74c [ 36.255891] [<00000000ab8ae49c>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 36.255898] [<000000007ef064bd>] ? ___ratelimit+0x55/0x413 [ 36.255906] [<0000000083049705>] oom_kill_process.cold+0xd/0xa74 [ 36.255915] [<00000000a142eff4>] ? has_capability_noaudit+0x25/0x30 [ 36.255924] [<000000009e3aa546>] ? oom_badness.part.0+0x11d/0x600 [ 36.255931] [<000000005d99eab7>] ? oom_badness.part.0+0x12f/0x600 [ 36.255938] [<000000002fbc14c0>] ? out_of_memory+0x6d3/0xea0 [ 36.255945] [<00000000a5760503>] out_of_memory+0x29b/0xea0 [ 36.255952] [<0000000002651157>] ? out_of_memory+0x41c/0xea0 [ 36.255959] [<000000004e3f2190>] ? oom_killer_disable+0x210/0x210 [ 36.255967] [<000000003b06ee8e>] ? trace_hardirqs_on+0xd/0x10 [ 36.255973] [<0000000072f4b0b1>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 36.255980] [<00000000a6219cc8>] __alloc_pages_nodemask+0x1730/0x1a80 [ 36.255987] [<000000008252579c>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 36.255995] [<000000000ee1c711>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.256004] [<00000000c8a282f2>] __vmalloc_node_range+0x25b/0x610 [ 36.256014] [<00000000c86bc94a>] ? xt_alloc_table_info+0xc8/0x100 [ 36.256020] [<000000005f88dc00>] vmalloc+0x5c/0x70 [ 36.256027] [<00000000c86bc94a>] ? xt_alloc_table_info+0xc8/0x100 [ 36.256034] [<00000000c86bc94a>] xt_alloc_table_info+0xc8/0x100 [ 36.256041] [<0000000098ea1c3f>] do_replace.isra.0+0x111/0x480 [ 36.256048] [<000000005ca5323d>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 36.256055] [<00000000867e8041>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 36.256062] [<000000000b4ae8bf>] ? __cap_capable+0x182/0x1d0 [ 36.256070] [<00000000130c1a7c>] ? ns_capable_common+0x12c/0x160 [ 36.256076] [<000000003ffa0122>] do_arpt_set_ctl+0x108/0x150 [ 36.256084] [<00000000bbb25370>] nf_setsockopt+0x6d/0xc0 [ 36.256090] [<00000000700fcab4>] ip_setsockopt+0x8a/0xa0 [ 36.256097] [<0000000043dc8f3c>] tcp_setsockopt+0x8a/0xe0 [ 36.256105] [<0000000056d5cfb7>] sock_common_setsockopt+0x9a/0xe0 [ 36.256112] [<0000000006e5faaa>] SyS_setsockopt+0x159/0x240 [ 36.256119] [<0000000016a60696>] ? SyS_recv+0x40/0x40 [ 36.256126] [<00000000db3075d3>] ? __do_page_fault+0x545/0xa60 [ 36.256132] [<000000008ce0ada5>] ? do_syscall_64+0x4a/0x5c0 [ 36.256138] [<0000000016a60696>] ? SyS_recv+0x40/0x40 [ 36.256144] [<000000007c8e5a5f>] do_syscall_64+0x1ad/0x5c0 [ 36.256151] [<0000000061419cbd>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 36.256154] Mem-Info: [ 36.256169] active_anon:3239 inactive_anon:40 isolated_anon:0 [ 36.256169] active_file:7 inactive_file:30 isolated_file:0 [ 36.256169] unevictable:0 dirty:0 writeback:0 unstable:0 [ 36.256169] slab_reclaimable:4254 slab_unreclaimable:56843 [ 36.256169] mapped:12 shmem:48 pagetables:362 bounce:0 [ 36.256169] free:6027 free_pcp:68 free_cma:0 [ 36.256182] Node 0 active_anon:12956kB inactive_anon:160kB active_file:28kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:14 all_unreclaimable? no [ 36.256198] DMA32 free:18612kB 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:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 36.256221] Normal free:5496kB min:5580kB low:9168kB high:12756kB active_anon:12956kB inactive_anon:160kB active_file:28kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17016kB slab_unreclaimable:227372kB kernel_stack:3456kB pagetables:1448kB bounce:0kB free_pcp:152kB local_pcp:152kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 36.256266] DMA32: 5*4kB (UM) 2*8kB (UM) 3*16kB (UM) 1*32kB (M) 1*64kB (M) 4*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18612kB Normal: 378*4kB (UM) 207*8kB (UM) 87*16kB (UM) 31*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5552kB 85 total pagecache pages [ 36.256301] 0 pages in swap cache [ 36.256304] Swap cache stats: add 0, delete 0, find 0/0 [ 36.256306] Free swap = 0kB [ 36.256308] Total swap = 0kB [ 36.256310] 1965979 pages RAM [ 36.256311] 0 pages HighMem/MovableOnly [ 36.256313] 313627 pages reserved [ 36.256315] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 36.256328] [ 470] 0 470 5384 180 17 3 0 -1000 udevd [ 36.256337] [ 581] 0 581 5383 173 16 3 0 -1000 udevd [ 36.256345] [ 582] 0 582 5383 174 16 3 0 -1000 udevd [ 36.256353] [ 1751] 0 1751 2492 574 8 3 0 0 dhclient [ 36.256361] [ 1890] 0 1890 14264 108 24 3 0 0 rsyslogd [ 36.256369] [ 1921] 0 1921 4724 50 15 3 0 0 cron [ 36.256376] [ 1949] 0 1949 3734 44 11 3 0 0 mcstransd [ 36.256384] [ 1973] 0 1973 12926 1227 26 3 0 0 restorecond [ 36.256392] [ 1987] 0 1987 12489 152 28 3 0 -1000 sshd [ 36.256400] [ 2021] 0 2021 3648 39 13 3 0 0 getty [ 36.256408] [ 2040] 0 2040 3648 43 13 3 0 0 getty [ 36.256415] [ 2041] 0 2041 3648 44 14 3 0 0 getty [ 36.256423] [ 2042] 0 2042 3648 43 12 3 0 0 getty [ 36.256431] [ 2043] 0 2043 3648 42 14 3 0 0 getty [ 36.256439] [ 2044] 0 2044 3648 43 12 3 0 0 getty [ 36.256447] [ 2045] 0 2045 3648 43 13 3 0 0 getty [ 36.256455] [ 2046] 0 2046 17820 198 41 3 0 0 sshd [ 36.256463] [ 2048] 0 2048 4380 1 4 2 0 0 syz-executor321 [ 36.256475] [ 2049] 0 2049 4380 11 4 2 0 0 syz-executor321 [ 36.256526] [ 2050] 0 2050 4380 11 4 2 0 0 syz-executor321 [ 36.256534] [ 2051] 0 2051 4380 0 5 2 0 1000 syz-executor321 [ 36.256542] [ 2052] 0 2052 4380 11 4 2 0 0 syz-executor321 [ 36.256550] [ 2053] 0 2053 4380 11 4 2 0 0 syz-executor321 [ 36.256557] [ 2054] 0 2054 4380 11 4 2 0 0 syz-executor321 [ 36.256565] [ 2055] 0 2055 4380 11 4 2 0 0 syz-executor321 [ 36.256573] [ 2056] 0 2056 4380 11 5 2 0 1000 syz-executor321 [ 36.256581] [ 2057] 0 2057 4380 11 5 2 0 1000 syz-executor321 [ 36.256590] [ 2058] 0 2058 4380 11 5 2 0 1000 syz-executor321 [ 36.256598] [ 2059] 0 2059 4380 11 5 2 0 1000 syz-executor321 [ 36.256611] [ 2060] 0 2060 4380 11 5 2 0 1000 syz-executor321 executing program executing program [ 36.256617] Out of memory: Kill process 2056 (syz-executor321) score 999 or sacrifice child [ 36.256627] Killed process 2056 (syz-executor321) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB executing program [ 36.271132] syz-executor321: vmalloc: allocation failure, allocated 1192177664 of 4294975488 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 36.271141] CPU: 1 PID: 2051 Comm: syz-executor321 Not tainted 4.9.193+ #0 [ 36.271154] ffff8801d1397980 ffffffff81b67081 1ffff1003a272f32 dffffc0000000000 [ 36.271163] ffffffff82aab400 0000000000000000 0000000000400000 ffff8801d1397aa8 [ 36.271172] ffffffff8150819c 0000000041b58ab3 ffffffff82e3bbf0 ffffffff81431da0 [ 36.271173] Call Trace: [ 36.271186] [<0000000018d456e1>] dump_stack+0xc1/0x120 [ 36.271195] [<000000004b3a8b66>] warn_alloc.cold+0x76/0x93 [ 36.271203] [<00000000d9f9396f>] ? zone_watermark_ok_safe+0x260/0x260 [ 36.271212] [<000000000ee1c711>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.271220] [<000000001b30fb4a>] ? check_preemption_disabled+0x3c/0x200 [ 36.271229] [<000000003dda60c0>] __vmalloc_node_range+0x404/0x610 [ 36.271238] [<00000000c86bc94a>] ? xt_alloc_table_info+0xc8/0x100 [ 36.271244] [<000000005f88dc00>] vmalloc+0x5c/0x70 [ 36.271251] [<00000000c86bc94a>] ? xt_alloc_table_info+0xc8/0x100 [ 36.271258] [<00000000c86bc94a>] xt_alloc_table_info+0xc8/0x100 [ 36.271266] [<0000000098ea1c3f>] do_replace.isra.0+0x111/0x480 [ 36.271273] [<000000005ca5323d>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 36.271280] [<00000000867e8041>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 36.271288] [<000000000b4ae8bf>] ? __cap_capable+0x182/0x1d0 [ 36.271297] [<00000000130c1a7c>] ? ns_capable_common+0x12c/0x160 [ 36.271303] [<000000003ffa0122>] do_arpt_set_ctl+0x108/0x150 [ 36.271311] [<00000000bbb25370>] nf_setsockopt+0x6d/0xc0 [ 36.271317] [<00000000700fcab4>] ip_setsockopt+0x8a/0xa0 [ 36.271324] [<0000000043dc8f3c>] tcp_setsockopt+0x8a/0xe0 [ 36.271332] [<0000000056d5cfb7>] sock_common_setsockopt+0x9a/0xe0 [ 36.271340] [<0000000006e5faaa>] SyS_setsockopt+0x159/0x240 [ 36.271347] [<0000000016a60696>] ? SyS_recv+0x40/0x40 [ 36.271354] [<00000000db3075d3>] ? __do_page_fault+0x545/0xa60 [ 36.271360] [<000000008ce0ada5>] ? do_syscall_64+0x4a/0x5c0 [ 36.271366] [<0000000016a60696>] ? SyS_recv+0x40/0x40 [ 36.271372] [<000000007c8e5a5f>] do_syscall_64+0x1ad/0x5c0 [ 36.271380] [<0000000061419cbd>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 36.271382] Mem-Info: [ 36.271398] active_anon:3231 inactive_anon:40 isolated_anon:0 [ 36.271398] active_file:7 inactive_file:28 isolated_file:0 [ 36.271398] unevictable:0 dirty:0 writeback:0 unstable:0 [ 36.271398] slab_reclaimable:4254 slab_unreclaimable:56843 [ 36.271398] mapped:12 shmem:48 pagetables:362 bounce:0 [ 36.271398] free:0 free_pcp:0 free_cma:0 [ 36.271410] Node 0 active_anon:12924kB inactive_anon:160kB active_file:28kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 36.271426] DMA32 free:36kB 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 [ 36.271448] Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12924kB inactive_anon:160kB active_file:28kB inactive_file:112kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17016kB slab_unreclaimable:227372kB kernel_stack:3456kB pagetables:1448kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 36.271479] 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 85 total pagecache pages [ 36.271508] 0 pages in swap cache [ 36.271511] Swap cache stats: add 0, delete 0, find 0/0 [ 36.271513] Free swap = 0kB [ 36.271514] Total swap = 0kB [ 36.271516] 1965979 pages RAM [ 36.271518] 0 pages HighMem/MovableOnly [ 36.271520] 313627 pages reserved [ 36.272939] oom_reaper: reaped process 2056 (syz-executor321), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 36.286909] syz-executor321: vmalloc: allocation failure, allocated 1147949056 of 4294975488 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 36.286916] CPU: 0 PID: 2056 Comm: syz-executor321 Not tainted 4.9.193+ #0 [ 36.286930] ffff8801cf117980 ffffffff81b67081 1ffff10039e22f32 dffffc0000000000 [ 36.286939] ffffffff82aab400 0000000000000000 0000000000400000 ffff8801cf117aa8 [ 36.286949] ffffffff8150819c 0000000041b58ab3 ffffffff82e3bbf0 ffffffff81431da0 [ 36.286951] Call Trace: [ 36.286963] [<0000000018d456e1>] dump_stack+0xc1/0x120 [ 36.286972] [<000000004b3a8b66>] warn_alloc.cold+0x76/0x93 [ 36.286980] [<00000000d9f9396f>] ? zone_watermark_ok_safe+0x260/0x260 [ 36.286989] [<000000000ee1c711>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.286998] [<000000003dda60c0>] __vmalloc_node_range+0x404/0x610 [ 36.287008] [<00000000c86bc94a>] ? xt_alloc_table_info+0xc8/0x100 [ 36.287015] [<000000005f88dc00>] vmalloc+0x5c/0x70 [ 36.287022] [<00000000c86bc94a>] ? xt_alloc_table_info+0xc8/0x100 [ 36.287029] [<00000000c86bc94a>] xt_alloc_table_info+0xc8/0x100 [ 36.287037] [<0000000098ea1c3f>] do_replace.isra.0+0x111/0x480 [ 36.287044] [<000000005ca5323d>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 36.287052] [<00000000867e8041>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 36.287066] [<000000000b4ae8bf>] ? __cap_capable+0x182/0x1d0 [ 36.287076] [<00000000130c1a7c>] ? ns_capable_common+0x12c/0x160 [ 36.287083] [<000000003ffa0122>] do_arpt_set_ctl+0x108/0x150 [ 36.287091] [<00000000bbb25370>] nf_setsockopt+0x6d/0xc0 [ 36.287099] [<00000000700fcab4>] ip_setsockopt+0x8a/0xa0 [ 36.287107] [<0000000043dc8f3c>] tcp_setsockopt+0x8a/0xe0 [ 36.287116] [<0000000056d5cfb7>] sock_common_setsockopt+0x9a/0xe0 [ 36.287124] [<0000000006e5faaa>] SyS_setsockopt+0x159/0x240 [ 36.287131] [<0000000016a60696>] ? SyS_recv+0x40/0x40 [ 36.287138] [<00000000db3075d3>] ? __do_page_fault+0x545/0xa60 [ 36.287145] [<000000008ce0ada5>] ? do_syscall_64+0x4a/0x5c0 [ 36.287152] [<0000000016a60696>] ? SyS_recv+0x40/0x40 [ 36.287158] [<000000007c8e5a5f>] do_syscall_64+0x1ad/0x5c0 [ 36.287166] [<0000000061419cbd>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 36.287169] Mem-Info: [ 36.287185] active_anon:3231 inactive_anon:40 isolated_anon:0 [ 36.287185] active_file:4 inactive_file:28 isolated_file:0 [ 36.287185] unevictable:0 dirty:0 writeback:0 unstable:0 [ 36.287185] slab_reclaimable:4254 slab_unreclaimable:56843 [ 36.287185] mapped:7 shmem:48 pagetables:362 bounce:0 [ 36.287185] free:14 free_pcp:8 free_cma:0 [ 36.287198] Node 0 active_anon:12924kB inactive_anon:160kB active_file:16kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? no [ 36.287214] DMA32 free:36kB 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 [ 36.287239] Normal free:20kB min:5580kB low:9168kB high:12756kB active_anon:12924kB inactive_anon:160kB active_file:16kB inactive_file:112kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17016kB slab_unreclaimable:227372kB kernel_stack:3456kB pagetables:1448kB bounce:0kB free_pcp:32kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 36.287273] 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 80 total pagecache pages [ 36.287304] 0 pages in swap cache [ 36.287308] Swap cache stats: add 0, delete 0, find 0/0 [ 36.287310] Free swap = 0kB [ 36.287312] Total swap = 0kB executing program [ 36.287314] 1965979 pages RAM [ 36.287316] 0 pages HighMem/MovableOnly [ 36.287318] 313627 pages reserved [ 36.302891] syz-executor321 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 executing program [ 36.302899] CPU: 0 PID: 2059 Comm: syz-executor321 Not tainted 4.9.193+ #0 [ 36.302913] ffff8801c4cc76a8 ffffffff81b67081 ffff8801c4cc7a00 ffffffff833f1c30 [ 36.302922] 00000000000003e8 ffff8801c4cc7a18 0000000000000000 ffff8801c4cc7728 [ 36.302932] ffffffff81506ee4 0000000000000000 00000000000003e8 ffffffff8282a8c5 [ 36.302933] Call Trace: [ 36.302945] [<0000000018d456e1>] dump_stack+0xc1/0x120 [ 36.302954] [<00000000f0c8fd19>] dump_header.isra.0+0x142/0x74c [ 36.302963] [<00000000ab8ae49c>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 36.302972] [<000000007ef064bd>] ? ___ratelimit+0x55/0x413 [ 36.302979] [<0000000083049705>] oom_kill_process.cold+0xd/0xa74 [ 36.302988] [<00000000a142eff4>] ? has_capability_noaudit+0x25/0x30 [ 36.302998] [<000000009e3aa546>] ? oom_badness.part.0+0x11d/0x600 [ 36.303005] [<000000005d99eab7>] ? oom_badness.part.0+0x12f/0x600 [ 36.303012] [<000000002fbc14c0>] ? out_of_memory+0x6d3/0xea0 [ 36.303019] [<00000000c5467b7a>] ? smp_call_function_many+0x88/0x6c0 [ 36.303026] [<00000000a5760503>] out_of_memory+0x29b/0xea0 [ 36.303033] [<0000000002651157>] ? out_of_memory+0x41c/0xea0 [ 36.303041] [<000000004e3f2190>] ? oom_killer_disable+0x210/0x210 [ 36.303049] [<000000003b06ee8e>] ? trace_hardirqs_on+0xd/0x10 [ 36.303061] [<0000000072f4b0b1>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 36.303068] [<00000000a6219cc8>] __alloc_pages_nodemask+0x1730/0x1a80 [ 36.303075] [<000000008252579c>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 36.303084] [<000000000ee1c711>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.303092] [<000000003e6e6261>] ? retint_kernel+0x2d/0x2d [ 36.303100] [<000000001473849a>] ? __vmalloc_node_range+0x271/0x610 executing program [ 36.303107] [<00000000c8a282f2>] __vmalloc_node_range+0x25b/0x610 [ 36.303118] [<00000000c86bc94a>] ? xt_alloc_table_info+0xc8/0x100 [ 36.303124] [<000000005f88dc00>] vmalloc+0x5c/0x70 [ 36.303132] [<00000000c86bc94a>] ? xt_alloc_table_info+0xc8/0x100 [ 36.303139] [<00000000c86bc94a>] xt_alloc_table_info+0xc8/0x100 [ 36.303147] [<0000000098ea1c3f>] do_replace.isra.0+0x111/0x480 [ 36.303154] [<000000005ca5323d>] ? compat_do_replace.isra.0+0x4e0/0x4e0 executing program [ 36.303161] [<00000000867e8041>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 36.303169] [<000000000b4ae8bf>] ? __cap_capable+0x182/0x1d0 [ 36.303177] [<00000000130c1a7c>] ? ns_capable_common+0x12c/0x160 [ 36.303184] [<000000003ffa0122>] do_arpt_set_ctl+0x108/0x150 [ 36.303197] [<00000000bbb25370>] nf_setsockopt+0x6d/0xc0 [ 36.303205] [<00000000700fcab4>] ip_setsockopt+0x8a/0xa0 [ 36.303212] [<0000000043dc8f3c>] tcp_setsockopt+0x8a/0xe0 [ 36.303222] [<0000000056d5cfb7>] sock_common_setsockopt+0x9a/0xe0 [ 36.303229] [<0000000006e5faaa>] SyS_setsockopt+0x159/0x240 [ 36.303236] [<0000000016a60696>] ? SyS_recv+0x40/0x40 [ 36.303244] [<00000000db3075d3>] ? __do_page_fault+0x545/0xa60 [ 36.303251] [<000000008ce0ada5>] ? do_syscall_64+0x4a/0x5c0 [ 36.303258] [<0000000016a60696>] ? SyS_recv+0x40/0x40 [ 36.303264] [<000000007c8e5a5f>] do_syscall_64+0x1ad/0x5c0 [ 36.303271] [<0000000061419cbd>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 36.303289] Mem-Info: [ 36.303306] active_anon:3231 inactive_anon:40 isolated_anon:0 [ 36.303306] active_file:4 inactive_file:28 isolated_file:0 [ 36.303306] unevictable:0 dirty:0 writeback:0 unstable:0 [ 36.303306] slab_reclaimable:4254 slab_unreclaimable:56843 [ 36.303306] mapped:7 shmem:48 pagetables:362 bounce:0 [ 36.303306] free:14 free_pcp:0 free_cma:0 [ 36.303318] Node 0 active_anon:12924kB inactive_anon:160kB active_file:16kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? no [ 36.303335] DMA32 free:36kB 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 [ 36.303360] Normal free:20kB min:5580kB low:9168kB high:12756kB active_anon:12924kB inactive_anon:160kB active_file:16kB inactive_file:112kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17016kB slab_unreclaimable:227372kB kernel_stack:3456kB pagetables:1448kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB executing program executing program lowmem_reserve[]: 0 0 0 [ 36.303393] 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: 8*4kB (UM) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32kB 80 total pagecache pages [ 36.303426] 0 pages in swap cache [ 36.303430] Swap cache stats: add 0, delete 0, find 0/0 [ 36.303432] Free swap = 0kB [ 36.303434] Total swap = 0kB [ 36.303436] 1965979 pages RAM [ 36.303438] 0 pages HighMem/MovableOnly [ 36.303440] 313627 pages reserved [ 36.303442] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 36.303458] [ 470] 0 470 5384 180 17 3 0 -1000 udevd [ 36.303467] [ 581] 0 581 5383 173 16 3 0 -1000 udevd [ 36.303476] [ 582] 0 582 5383 174 16 3 0 -1000 udevd executing program [ 36.303484] [ 1751] 0 1751 2492 574 8 3 0 0 dhclient [ 36.303493] [ 1890] 0 1890 14264 108 24 3 0 0 rsyslogd [ 36.303501] [ 1921] 0 1921 4724 50 15 3 0 0 cron [ 36.303510] [ 1949] 0 1949 3734 44 11 3 0 0 mcstransd [ 36.303519] [ 1973] 0 1973 12926 1227 26 3 0 0 restorecond [ 36.303528] [ 1987] 0 1987 12489 152 28 3 0 -1000 sshd [ 36.303536] [ 2021] 0 2021 3648 39 13 3 0 0 getty [ 36.303545] [ 2040] 0 2040 3648 43 13 3 0 0 getty [ 36.303554] [ 2041] 0 2041 3648 44 14 3 0 0 getty [ 36.303561] [ 2042] 0 2042 3648 43 12 3 0 0 getty [ 36.303570] [ 2043] 0 2043 3648 42 14 3 0 0 getty [ 36.303579] [ 2044] 0 2044 3648 43 12 3 0 0 getty [ 36.303588] [ 2045] 0 2045 3648 43 13 3 0 0 getty [ 36.303596] [ 2046] 0 2046 17820 198 41 3 0 0 sshd [ 36.303605] [ 2048] 0 2048 4380 1 4 2 0 0 syz-executor321 [ 36.303613] [ 2049] 0 2049 4380 11 4 2 0 0 syz-executor321 [ 36.303622] [ 2050] 0 2050 4380 11 4 2 0 0 syz-executor321 [ 36.303630] [ 2051] 0 2051 4380 0 5 2 0 1000 syz-executor321 [ 36.303639] [ 2052] 0 2052 4380 11 4 2 0 0 syz-executor321 ** 175 printk messages dropped ** [ 38.319094] [<00000000130c1a7c>] ? ns_capable_common+0x12c/0x160 [ 38.319100] [<000000003ffa0122>] do_arpt_set_ctl+0x108/0x150 [ 38.319107] [<00000000bbb25370>] nf_setsockopt+0x6d/0xc0 [ 38.319114] [<00000000700fcab4>] ip_setsockopt+0x8a/0xa0 [ 38.319121] [<0000000043dc8f3c>] tcp_setsockopt+0x8a/0xe0 [ 38.319129] [<0000000056d5cfb7>] sock_common_setsockopt+0x9a/0xe0 [ 38.319136] [<0000000006e5faaa>] SyS_setsockopt+0x159/0x240 [ 38.319143] [<0000000016a60696>] ? SyS_recv+0x40/0x40 [ 38.319149] [<00000000db3075d3>] ? __do_page_fault+0x545/0xa60 [ 38.319155] [<000000008ce0ada5>] ? do_syscall_64+0x4a/0x5c0 executing program [ 38.319162] [<0000000016a60696>] ? SyS_recv+0x40/0x40 [ 38.319168] [<000000007c8e5a5f>] do_syscall_64+0x1ad/0x5c0 [ 38.319175] [<0000000061419cbd>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 38.319178] Mem-Info: [ 38.319193] active_anon:3239 inactive_anon:40 isolated_anon:0 [ 38.319193] active_file:29 inactive_file:41 isolated_file:0 [ 38.319193] unevictable:0 dirty:0 writeback:0 unstable:0 [ 38.319193] slab_reclaimable:4262 slab_unreclaimable:56698 [ 38.319193] mapped:48 shmem:48 pagetables:362 bounce:0 [ 38.319193] free:23 free_pcp:0 free_cma:0 executing program [ 38.319204] Node 0 active_anon:12956kB inactive_anon:160kB active_file:116kB inactive_file:164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:192kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no executing program [ 38.319220] DMA32 free:32kB 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 [ 38.319243] Normal free:60kB min:5580kB low:9168kB high:12756kB active_anon:12956kB inactive_anon:160kB active_file:116kB inactive_file:164kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17048kB slab_unreclaimable:226792kB kernel_stack:3456kB pagetables:1448kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 38.319273] 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 121 total pagecache pages [ 38.319302] 0 pages in swap cache [ 38.319305] Swap cache stats: add 0, delete 0, find 0/0 [ 38.319307] Free swap = 0kB [ 38.319309] Total swap = 0kB [ 38.319311] 1965979 pages RAM [ 38.319313] 0 pages HighMem/MovableOnly ** 25 printk messages dropped ** [ 38.386430] [<00000000c8a282f2>] __vmalloc_node_range+0x25b/0x610 [ 38.386439] [<00000000c86bc94a>] ? xt_alloc_table_info+0xc8/0x100 ** 81 printk messages dropped ** [ 38.413800] [<00000000d9f9396f>] ? zone_watermark_ok_safe+0x260/0x260 [ 38.413809] [<000000003dda60c0>] __vmalloc_node_range+0x404/0x610 [ 38.413819] [<00000000c86bc94a>] ? xt_alloc_table_info+0xc8/0x100 [ 38.413824] [<000000005f88dc00>] vmalloc+0x5c/0x70 ** 64 printk messages dropped ** [ 38.414102] 0*2048kB ** 99 printk messages dropped ** [ 39.041824] lowmem_reserve[]: 0 0 0 [ 39.041849] 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 115 total pagecache pages [ 39.041877] 0 pages in swap cache [ 39.041881] Swap cache stats: add 0, delete 0, find 0/0 [ 39.041882] Free swap = 0kB [ 39.041884] Total swap = 0kB [ 39.041886] 1965979 pages RAM [ 39.041888] 0 pages HighMem/MovableOnly [ 39.041890] 313627 pages reserved [ 39.900021] lowmemorykiller: Killing 'syz-executor321' (2063) (tgid 2063), adj 1000, [ 39.900021] to free 44kB on behalf of 'syz-executor321' (2067) because [ 39.900021] cache 128kB is below limit 6144kB for oom_score_adj 0 [ 39.900021] Free memory is -10864kB above reserved executing program [ 39.956036] syz-executor321: vmalloc: allocation failure, allocated 1310978048 of 4294975488 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 39.956044] CPU: 1 PID: 2063 Comm: syz-executor321 Not tainted 4.9.193+ #0 [ 39.956058] ffff8801c0f6f980 ffffffff81b67081 1ffff100381edf32 dffffc0000000000 [ 39.956066] ffffffff82aab400 0000000000000000 0000000000400000 ffff8801c0f6faa8 [ 39.956075] ffffffff8150819c 0000000041b58ab3 ffffffff82e3bbf0 ffffffff81431da0 ** 83 printk messages dropped ** [ 40.115719] [<0000000006e5faaa>] SyS_setsockopt+0x159/0x240 [ 40.115726] [<0000000016a60696>] ? SyS_recv+0x40/0x40 [ 40.115734] [<00000000db3075d3>] ? __do_page_fault+0x545/0xa60 [ 40.115742] [<00000000f7e6d6bd>] ? bad_area_access_error+0x3d0/0x3d0 [ 40.115748] [<0000000016a60696>] ? SyS_recv+0x40/0x40 [ 40.115755] [<000000007c8e5a5f>] do_syscall_64+0x1ad/0x5c0 [ 40.115763] [<0000000061419cbd>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 40.116867] Mem-Info: [ 40.116883] active_anon:3231 inactive_anon:40 isolated_anon:0 [ 40.116883] active_file:22 inactive_file:46 isolated_file:0 [ 40.116883] unevictable:0 dirty:0 writeback:0 unstable:0 Connection to 10.128.0.69 closed by remote host. [ 40.116883] slab_reclaimable:4262 slab_unreclaimab