Starting mcstransd: [ 9.668385] random: sshd: uninitialized urandom read (32 bytes read) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 29.766025] random: sshd: uninitialized urandom read (32 bytes read) [ 30.033454] random: sshd: uninitialized urandom read (32 bytes read) [ 30.211680] random: crng init done Warning: Permanently added '10.128.10.48' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 58.499871] lowmemorykiller: Killing 'syz-executor516' (2063) (tgid 2063), adj 1000, [ 58.499871] to free 44kB on behalf of 'kswapd0' (33) because [ 58.499871] cache 36708kB is below limit 65536kB for oom_score_adj 12 [ 58.499871] Free memory is -13140kB above reserved [ 58.511004] lowmemorykiller: Killing 'syz-executor516' (2063) (tgid 2063), adj 1000, [ 58.511004] to free 44kB on behalf of 'syz-executor516' (2071) because [ 58.511004] cache 34108kB is below limit 65536kB for oom_score_adj 12 [ 58.511004] Free memory is -13204kB above reserved [ 58.511025] [ 58.511026] ================================= [ 58.511028] [ INFO: inconsistent lock state ] [ 58.511032] 4.9.194+ #0 Not tainted [ 58.511034] --------------------------------- [ 58.511037] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 58.511043] syz-executor516/2071 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 58.511062] (&mm->mmap_sem){+++++?}, at: [<00000000b4aefc1b>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 58.511072] mark_held_locks+0xb1/0x100 [ 58.511078] lockdep_trace_alloc+0x18c/0x2b0 [ 58.511083] __alloc_pages_nodemask+0x143/0x1a80 [ 58.511090] __pmd_alloc+0x4a/0x330 [ 58.511096] move_page_tables+0xadb/0xd60 [ 58.511101] shift_arg_pages+0x1ae/0x470 [ 58.511106] setup_arg_pages+0x60d/0x7c0 [ 58.511113] load_elf_binary+0xa84/0x4a90 [ 58.511118] search_binary_handler+0x14f/0x700 [ 58.511124] do_execveat_common.isra.0+0xf81/0x1db0 [ 58.511128] do_execve+0x3a/0x50 [ 58.511135] run_init_process+0x33/0x37 [ 58.511141] try_to_run_init_process+0x18/0x48 [ 58.511148] kernel_init+0xf2/0x163 [ 58.511153] ret_from_fork+0x5c/0x70 [ 58.511156] irq event stamp: 526923 [ 58.511163] hardirqs last enabled at (526923): [<000000009a59930a>] vprintk_emit+0x25c/0x6f0 [ 58.511170] hardirqs last disabled at (526922): [<000000003255531c>] vprintk_emit+0x6d/0x6f0 [ 58.511177] softirqs last enabled at (526070): [<000000001f81422f>] wb_queue_work+0x1ed/0x450 [ 58.511183] softirqs last disabled at (526066): [<00000000e575a9fb>] wb_queue_work+0x90/0x450 [ 58.511185] [ 58.511185] other info that might help us debug this: [ 58.511186] Possible unsafe locking scenario: [ 58.511186] [ 58.511187] CPU0 [ 58.511188] ---- [ 58.511192] lock(&mm->mmap_sem); [ 58.511193] [ 58.511197] lock(&mm->mmap_sem); [ 58.511198] [ 58.511198] *** DEADLOCK *** [ 58.511198] [ 58.511202] 1 lock held by syz-executor516/2071: [ 58.511214] #0: (shrinker_rwsem){++++..}, at: [<000000007455f9b8>] shrink_slab.part.0+0xb2/0xa20 [ 58.511215] [ 58.511215] stack backtrace: [ 58.511222] CPU: 0 PID: 2071 Comm: syz-executor516 Not tainted 4.9.194+ #0 [ 58.511235] ffff8801c4c67070 ffffffff81b67001 00000000000000f0 ffff8801cf85c740 [ 58.511243] ffffffff83cb0b40 ffff8801cf85d038 ffffffff84252000 ffff8801c4c670e8 [ 58.511257] ffffffff81408710 0000000000000000 ffffffff00000001 0000000000000001 [ 58.511259] Call Trace: [ 58.511267] [<000000007e6d3235>] dump_stack+0xc1/0x120 [ 58.511276] [<00000000ec31fc7d>] print_usage_bug.cold+0x452/0x5a2 [ 58.511283] [<000000003f5b5692>] mark_lock+0x6c7/0x12e0 [ 58.511289] [<000000008a5f96c0>] ? print_irq_inversion_bug+0xa0/0xa0 [ 58.511295] [<0000000055102b9e>] __lock_acquire+0x5be/0x4390 [ 58.511302] [<0000000040fd5bbc>] ? trace_hardirqs_on+0x10/0x10 [ 58.511309] [<0000000040fd5bbc>] ? trace_hardirqs_on+0x10/0x10 [ 58.511316] [<00000000de2ed34c>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 58.511323] [<00000000eed7ebc8>] lock_acquire+0x133/0x3d0 [ 58.511329] [<00000000b4aefc1b>] ? get_cmdline+0xa3/0x2d0 [ 58.511335] [<0000000065b61f9f>] down_read+0x44/0xb0 [ 58.511341] [<00000000b4aefc1b>] ? get_cmdline+0xa3/0x2d0 [ 58.511347] [<00000000b4aefc1b>] get_cmdline+0xa3/0x2d0 [ 58.511355] [<000000007ac5a79e>] handle_lmk_event+0x169/0x920 [ 58.511362] [<000000004ad05fb9>] ? lmk_event_show+0x390/0x390 [ 58.511367] [<00000000af8530bc>] ? vprintk+0x28/0x30 [ 58.511374] [<00000000de2ed34c>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 58.511381] [<00000000b43adcf5>] ? kill_pid_info_as_cred+0x540/0x540 [ 58.511390] [<00000000326d9aa5>] ? check_preemption_disabled+0x3c/0x200 [ 58.511397] [<00000000326d9aa5>] ? check_preemption_disabled+0x3c/0x200 [ 58.511404] [<00000000326d9aa5>] ? check_preemption_disabled+0x3c/0x200 [ 58.511410] [<000000001491f3db>] ? lowmem_scan+0x6ae/0xb70 [ 58.511417] [<00000000abd207d5>] lowmem_scan+0x6f3/0xb70 [ 58.511424] [<000000005ba03fc6>] shrink_slab.part.0+0x3cf/0xa20 [ 58.511432] [<00000000235dd0c0>] ? unregister_shrinker+0x230/0x230 [ 58.511439] [<0000000017b7f19e>] shrink_node+0x1ed/0x750 [ 58.511447] [<00000000e37ada8e>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 58.511455] [<00000000b018148a>] ? __delayacct_freepages_start+0x41/0x80 [ 58.511462] [<0000000005cb9239>] try_to_free_pages+0x397/0xbd0 [ 58.511469] [<0000000043dc8121>] ? shrink_node+0x750/0x750 [ 58.511476] [<00000000290c0f40>] __alloc_pages_nodemask+0x930/0x1a80 [ 58.511483] [<000000002041aa6e>] ? __schedule+0x6d6/0x1f10 [ 58.511490] [<00000000842c3a3c>] ? gfp_pfmemalloc_allowed+0x110/0x110 executing program [ 58.511497] [<00000000e18e396c>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 58.511505] [<00000000aa531a86>] __vmalloc_node_range+0x25b/0x610 [ 58.511513] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 58.511519] [<0000000037668abf>] vmalloc+0x5c/0x70 executing program executing program [ 58.511526] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 58.511533] [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 [ 58.511539] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 [ 58.511546] [<000000003292951b>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 58.511552] [<00000000fe60f62f>] ? mutex_unlock+0x9/0x10 [ 58.511560] [<000000000194b965>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 58.511567] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 [ 58.511573] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 [ 58.511581] [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 [ 58.511589] [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 [ 58.511596] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 [ 58.511603] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 58.511610] [<0000000027f979c7>] ? __do_page_fault+0x545/0xa60 [ 58.511616] [<00000000dd14fe7f>] ? do_syscall_64+0x4a/0x5c0 [ 58.511622] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 58.511628] [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 [ 58.511636] [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 58.697677] syz-executor516: vmalloc: allocation failure, allocated 1180225536 of 3406176256 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 58.697685] CPU: 1 PID: 2063 Comm: syz-executor516 Not tainted 4.9.194+ #0 [ 58.697697] ffff8801cebafa10 ffffffff81b67001 1ffff10039d75f44 dffffc0000000000 [ 58.697706] ffffffff82aab480 0000000000000000 0000000000400000 ffff8801cebafb38 [ 58.697715] ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 [ 58.697717] Call Trace: [ 58.697731] [<000000007e6d3235>] dump_stack+0xc1/0x120 [ 58.697746] [<000000003e8af520>] warn_alloc.cold+0x76/0x93 [ 58.697753] [<000000007c681cec>] ? zone_watermark_ok_safe+0x260/0x260 [ 58.697762] [<00000000e18e396c>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 58.697771] [<00000000b03dc00f>] __vmalloc_node_range+0x404/0x610 [ 58.697780] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 58.697787] [<0000000037668abf>] vmalloc+0x5c/0x70 [ 58.697794] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 58.697800] [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 [ 58.697807] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 [ 58.697814] [<000000003292951b>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 58.697821] [<00000000fe60f62f>] ? mutex_unlock+0x9/0x10 [ 58.697830] [<000000000194b965>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 58.697837] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 [ 58.697844] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 [ 58.697851] [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 [ 58.697859] [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 [ 58.697866] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 [ 58.697873] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 58.697880] [<0000000027f979c7>] ? __do_page_fault+0x545/0xa60 [ 58.697886] [<00000000dd14fe7f>] ? do_syscall_64+0x4a/0x5c0 [ 58.697893] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 58.697898] [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 [ 58.697906] [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 58.697909] Mem-Info: [ 58.697923] active_anon:3601 inactive_anon:40 isolated_anon:0 [ 58.697923] active_file:12 inactive_file:23 isolated_file:0 [ 58.697923] unevictable:0 dirty:0 writeback:0 unstable:0 [ 58.697923] slab_reclaimable:4260 slab_unreclaimable:56765 [ 58.697923] mapped:11 shmem:48 pagetables:364 bounce:0 [ 58.697923] free:25 free_pcp:0 free_cma:0 [ 58.697934] Node 0 active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:44kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 58.697950] DMA32 free:8kB 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 [ 58.697973] Normal free:92kB min:5580kB low:9168kB high:12756kB active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:227060kB kernel_stack:3424kB pagetables:1456kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 58.698003] 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 83 total pagecache pages [ 58.698032] 0 pages in swap cache [ 58.698036] Swap cache stats: add 0, delete 0, find 0/0 [ 58.698038] Free swap = 0kB [ 58.698039] Total swap = 0kB [ 58.698041] 1965979 pages RAM [ 58.698043] 0 pages HighMem/MovableOnly [ 58.698045] 313627 pages reserved [ 58.699450] oom_reaper: reaped process 2063 (syz-executor516), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 58.700128] syz-executor516 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 58.700135] CPU: 1 PID: 2072 Comm: syz-executor516 Not tainted 4.9.194+ #0 [ 58.700146] ffff8801c4d0f738 ffffffff81b67001 ffff8801c4d0fa90 ffffffff833f1c30 [ 58.700155] 00000000000003e8 ffff8801c4d0faa8 0000000000000000 ffff8801c4d0f7b8 [ 58.700163] ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 [ 58.700165] Call Trace: [ 58.700175] [<000000007e6d3235>] dump_stack+0xc1/0x120 [ 58.700184] [<00000000488e171b>] dump_header.isra.0+0x142/0x74c [ 58.700192] [<000000005bc69259>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 58.700200] [<000000005856f57a>] ? ___ratelimit+0x55/0x413 [ 58.700207] [<0000000090a36d27>] oom_kill_process.cold+0xd/0xa74 [ 58.700216] [<00000000dbf82171>] ? has_capability_noaudit+0x25/0x30 [ 58.700225] [<0000000071c9bfa9>] ? oom_badness.part.0+0x11d/0x600 [ 58.700232] [<00000000962d29cd>] ? oom_badness.part.0+0x12f/0x600 [ 58.700238] [<00000000d3c1e6fe>] ? out_of_memory+0x6d3/0xea0 [ 58.700245] [<00000000a747f2cd>] out_of_memory+0x29b/0xea0 [ 58.700252] [<00000000720c829d>] ? out_of_memory+0x41c/0xea0 [ 58.700259] [<000000000c360d19>] ? oom_killer_disable+0x210/0x210 executing program [ 58.700267] [<0000000032e9d012>] ? trace_hardirqs_on+0xd/0x10 [ 58.700273] [<000000003fca63a5>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 58.700280] [<000000002db9b06e>] __alloc_pages_nodemask+0x1730/0x1a80 executing program [ 58.700287] [<00000000842c3a3c>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 58.700295] [<000000002acbc608>] ? debug_lockdep_rcu_enabled+0x8/0xa0 [ 58.700302] [<00000000aa531a86>] __vmalloc_node_range+0x25b/0x610 executing program [ 58.700311] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 58.700317] [<0000000037668abf>] vmalloc+0x5c/0x70 [ 58.700324] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 58.700331] [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 [ 58.700338] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 [ 58.700344] [<000000003292951b>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 58.700351] [<00000000fe60f62f>] ? mutex_unlock+0x9/0x10 [ 58.700359] [<000000000194b965>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 58.700365] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 [ 58.700372] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 [ 58.700379] [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 [ 58.700388] [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 [ 58.700394] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 [ 58.700405] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 58.700412] [<0000000027f979c7>] ? __do_page_fault+0x545/0xa60 executing program [ 58.700418] [<00000000dd14fe7f>] ? do_syscall_64+0x4a/0x5c0 [ 58.700425] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 58.700431] [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 [ 58.700438] [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 58.702663] Mem-Info: [ 58.702678] active_anon:3601 inactive_anon:40 isolated_anon:0 [ 58.702678] active_file:12 inactive_file:23 isolated_file:0 [ 58.702678] unevictable:0 dirty:0 writeback:0 unstable:0 [ 58.702678] slab_reclaimable:4260 slab_unreclaimable:56765 [ 58.702678] mapped:11 shmem:48 pagetables:364 bounce:0 [ 58.702678] free:25 free_pcp:8 free_cma:0 [ 58.702690] Node 0 active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:44kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 58.702705] DMA32 free:8kB 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 [ 58.702727] Normal free:92kB min:5580kB low:9168kB high:12756kB active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:227060kB kernel_stack:3424kB pagetables:1456kB bounce:0kB free_pcp:32kB local_pcp:32kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 58.702763] 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 83 total pagecache pages [ 58.702791] 0 pages in swap cache [ 58.702794] Swap cache stats: add 0, delete 0, find 0/0 [ 58.702796] Free swap = 0kB [ 58.702798] Total swap = 0kB [ 58.702800] 1965979 pages RAM [ 58.702802] 0 pages HighMem/MovableOnly [ 58.702803] 313627 pages reserved [ 58.702805] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name executing program [ 58.702819] [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 58.702827] [ 582] 0 582 5377 176 15 3 0 -1000 udevd [ 58.702835] [ 583] 0 583 5746 537 16 3 0 -1000 udevd [ 58.702843] [ 1749] 0 1749 2492 573 9 3 0 0 dhclient [ 58.702851] [ 1890] 0 1890 30582 110 24 3 0 0 rsyslogd [ 58.702859] [ 1944] 0 1944 4724 50 15 3 0 0 cron [ 58.702867] [ 1962] 0 1962 3734 44 11 3 0 0 mcstransd [ 58.702875] [ 1973] 0 1973 12926 1227 28 3 0 0 restorecond executing program [ 58.702883] [ 1981] 0 1981 12489 152 30 3 0 -1000 sshd [ 58.702892] [ 2021] 0 2021 3648 39 13 3 0 0 getty executing program [ 58.702899] [ 2049] 0 2049 3648 43 13 3 0 0 getty [ 58.702907] [ 2050] 0 2050 3648 42 13 3 0 0 getty executing program [ 58.702915] [ 2051] 0 2051 3648 44 13 3 0 0 getty [ 58.702923] [ 2052] 0 2052 3648 44 13 3 0 0 getty [ 58.702930] [ 2053] 0 2053 3648 43 13 3 0 0 getty [ 58.702938] [ 2054] 0 2054 3648 43 13 3 0 0 getty [ 58.702946] [ 2058] 0 2058 17820 198 40 3 0 0 sshd [ 58.702954] [ 2060] 0 2060 4381 1 4 2 0 0 syz-executor516 [ 58.702962] [ 2061] 0 2061 4381 11 4 2 0 0 syz-executor516 [ 58.702970] [ 2062] 0 2062 4381 11 4 2 0 0 syz-executor516 [ 58.702977] [ 2063] 0 2063 4381 0 5 2 0 1000 syz-executor516 [ 58.702985] [ 2064] 0 2064 4381 11 4 2 0 0 syz-executor516 [ 58.702993] [ 2065] 0 2065 4381 11 4 2 0 0 syz-executor516 [ 58.703001] [ 2066] 0 2066 4381 11 4 2 0 0 syz-executor516 [ 58.703009] [ 2067] 0 2067 4381 11 4 2 0 0 syz-executor516 [ 58.703017] [ 2068] 0 2068 4381 11 5 2 0 1000 syz-executor516 [ 58.703025] [ 2069] 0 2069 4381 11 5 2 0 1000 syz-executor516 [ 58.703033] [ 2070] 0 2070 4381 11 5 2 0 1000 syz-executor516 [ 58.703041] [ 2071] 0 2071 4381 11 5 2 0 1000 syz-executor516 [ 58.703050] [ 2072] 0 2072 4381 11 5 2 0 1000 syz-executor516 [ 58.703054] Out of memory: Kill process 2068 (syz-executor516) score 999 or sacrifice child [ 58.703066] Killed process 2068 (syz-executor516) total-vm:17524kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 58.719416] oom_reaper: reaped process 2068 (syz-executor516), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 58.736376] syz-executor516 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 58.736384] CPU: 0 PID: 2068 Comm: syz-executor516 Not tainted 4.9.194+ #0 [ 58.736398] ffff8801ceb37738 ffffffff81b67001 ffff8801ceb37a90 ffffffff833f1c30 [ 58.736408] 00000000000003e8 ffff8801ceb37aa8 0000000000000000 ffff8801ceb377b8 [ 58.736418] ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 [ 58.736419] Call Trace: [ 58.736434] [<000000007e6d3235>] dump_stack+0xc1/0x120 [ 58.736444] [<00000000488e171b>] dump_header.isra.0+0x142/0x74c [ 58.736453] [<000000005bc69259>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 58.736462] [<000000005856f57a>] ? ___ratelimit+0x55/0x413 [ 58.736469] [<0000000090a36d27>] oom_kill_process.cold+0xd/0xa74 [ 58.736479] [<00000000dbf82171>] ? has_capability_noaudit+0x25/0x30 [ 58.736488] [<0000000071c9bfa9>] ? oom_badness.part.0+0x11d/0x600 [ 58.736495] [<00000000962d29cd>] ? oom_badness.part.0+0x12f/0x600 executing program executing program executing program [ 58.736502] [<00000000d3c1e6fe>] ? out_of_memory+0x6d3/0xea0 [ 58.736510] [<00000000a3375a15>] ? smp_call_function_many+0x88/0x6c0 [ 58.736517] [<00000000a747f2cd>] out_of_memory+0x29b/0xea0 [ 58.736524] [<00000000720c829d>] ? out_of_memory+0x41c/0xea0 [ 58.736532] [<000000000c360d19>] ? oom_killer_disable+0x210/0x210 [ 58.736540] [<0000000032e9d012>] ? trace_hardirqs_on+0xd/0x10 [ 58.736547] [<000000003fca63a5>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 58.736554] [<000000002db9b06e>] __alloc_pages_nodemask+0x1730/0x1a80 [ 58.736562] [<00000000842c3a3c>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 58.736569] [<00000000a5abd12b>] ? retint_kernel+0x2d/0x2d [ 58.736578] [<00000000aa531a86>] __vmalloc_node_range+0x25b/0x610 [ 58.736589] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 58.736595] [<0000000037668abf>] vmalloc+0x5c/0x70 [ 58.736603] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 58.736610] [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 [ 58.736618] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 [ 58.736625] [<000000003292951b>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 58.736632] [<00000000fe60f62f>] ? mutex_unlock+0x9/0x10 [ 58.736641] [<000000000194b965>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 58.736648] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 [ 58.736656] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 [ 58.736664] [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 [ 58.736674] [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 [ 58.736681] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 [ 58.736688] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 58.736696] [<0000000027f979c7>] ? __do_page_fault+0x545/0xa60 [ 58.736703] [<00000000dd14fe7f>] ? do_syscall_64+0x4a/0x5c0 [ 58.736710] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 58.736716] [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 [ 58.736724] [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 58.736727] Mem-Info: [ 58.736747] active_anon:3601 inactive_anon:40 isolated_anon:0 [ 58.736747] active_file:12 inactive_file:23 isolated_file:0 [ 58.736747] unevictable:0 dirty:0 writeback:0 unstable:0 [ 58.736747] slab_reclaimable:4260 slab_unreclaimable:56765 [ 58.736747] mapped:11 shmem:48 pagetables:364 bounce:0 [ 58.736747] free:25 free_pcp:0 free_cma:0 [ 58.736760] Node 0 active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:44kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 58.736777] DMA32 free:8kB 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 [ 58.736802] Normal free:92kB min:5580kB low:9168kB high:12756kB active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:227060kB kernel_stack:3424kB pagetables:1456kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 58.736836] 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: 12*4kB (UM) 0*8kB 1*16kB (M) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 64kB 83 total pagecache pages [ 58.736872] 0 pages in swap cache [ 58.736875] Swap cache stats: add 0, delete 0, find 0/0 [ 58.736877] Free swap = 0kB [ 58.736879] Total swap = 0kB [ 58.736881] 1965979 pages RAM [ 58.736883] 0 pages HighMem/MovableOnly [ 58.736885] 313627 pages reserved [ 58.736887] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 58.736905] [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 58.736915] [ 582] 0 582 5377 176 15 3 0 -1000 udevd [ 58.736924] [ 583] 0 583 5746 537 16 3 0 -1000 udevd [ 58.736933] [ 1749] 0 1749 2492 573 9 3 0 0 dhclient [ 58.736942] [ 1890] 0 1890 30582 110 24 3 0 0 rsyslogd [ 58.736951] [ 1944] 0 1944 4724 50 15 3 0 0 cron [ 58.736960] [ 1962] 0 1962 3734 44 11 3 0 0 mcstransd [ 58.736968] [ 1973] 0 1973 12926 1227 28 3 0 0 restorecond [ 58.736978] [ 1981] 0 1981 12489 152 30 3 0 -1000 sshd [ 58.736986] [ 2021] 0 2021 3648 39 13 3 0 0 getty [ 58.736995] [ 2049] 0 2049 3648 43 13 3 0 0 getty [ 58.737004] [ 2050] 0 2050 3648 42 13 3 0 0 getty executing program [ 58.737012] [ 2051] 0 2051 3648 44 13 3 0 0 getty [ 58.737021] [ 2052] 0 2052 3648 44 13 3 0 0 getty [ 58.737029] [ 2053] 0 2053 3648 43 13 3 0 0 getty [ 58.737038] [ 2054] 0 2054 3648 43 13 3 0 0 getty [ 58.737047] [ 2058] 0 2058 17820 198 40 3 0 0 sshd executing program [ 58.737055] [ 2060] 0 2060 4381 1 4 2 0 0 syz-executor516 [ 58.737064] [ 2061] 0 2061 4381 11 4 2 0 0 syz-executor516 [ 58.737072] [ 2062] 0 2062 4381 11 4 2 0 0 syz-executor516 [ 58.737081] [ 2063] 0 2063 4381 0 5 2 0 1000 syz-executor516 [ 58.737090] [ 2064] 0 2064 4381 11 4 2 0 0 syz-executor516 [ 58.737098] [ 2065] 0 2065 4381 11 4 2 0 0 syz-executor516 [ 58.737107] [ 2066] 0 2066 4381 11 4 2 0 0 syz-executor516 ** 13 printk messages dropped ** [ 58.737609] Call Trace: [ 58.737619] [<000000007e6d3235>] dump_stack+0xc1/0x120 [ 58.737628] [<000000003e8af520>] warn_alloc.cold+0x76/0x93 [ 58.737636] [<000000007c681cec>] ? zone_watermark_ok_safe+0x260/0x260 executing program [ 58.737644] [<00000000b03dc00f>] __vmalloc_node_range+0x404/0x610 [ 58.737653] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 58.737660] [<0000000037668abf>] vmalloc+0x5c/0x70 [ 58.737667] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 58.737674] [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 [ 58.737681] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 [ 58.737688] [<000000003292951b>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 58.737695] [<00000000fe60f62f>] ? mutex_unlock+0x9/0x10 [ 58.737703] [<000000000194b965>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 58.737711] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 [ 58.737718] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 [ 58.737725] [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 [ 58.737734] [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 [ 58.737746] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 [ 58.737753] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 58.737760] [<0000000027f979c7>] ? __do_page_fault+0x545/0xa60 [ 58.737767] [<00000000dd14fe7f>] ? do_syscall_64+0x4a/0x5c0 [ 58.737774] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 58.737780] [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 [ 58.737788] [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 58.737791] Mem-Info: [ 58.737806] active_anon:3601 inactive_anon:40 isolated_anon:0 [ 58.737806] active_file:12 inactive_file:23 isolated_file:0 [ 58.737806] unevictable:0 dirty:0 writeback:0 unstable:0 [ 58.737806] slab_reclaimable:4260 slab_unreclaimable:56765 [ 58.737806] mapped:11 shmem:48 pagetables:364 bounce:0 [ 58.737806] free:25 free_pcp:0 free_cma:0 [ 58.737818] Node 0 active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:44kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 58.737835] DMA32 free:8kB 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 [ 58.737860] Normal free:92kB min:5580kB low:9168kB high:12756kB active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:227060kB kernel_stack:3424kB pagetables:1456kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ** 111 printk messages dropped ** [ 60.310119] CPU: 1 PID: 2075 Comm: syz-executor516 Not tainted 4.9.194+ #0 [ 60.310130] ffff8801ceb37738 ffffffff81b67001 ffff8801ceb37a90 ffffffff833f1c30 [ 60.310139] 00000000000003e8 ffff8801ceb37aa8 0000000000000000 ffff8801ceb377b8 [ 60.310148] ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 [ 60.310149] Call Trace: [ 60.310157] [<000000007e6d3235>] dump_stack+0xc1/0x120 [ 60.310166] [<00000000488e171b>] dump_header.isra.0+0x142/0x74c [ 60.310172] [<000000005bc69259>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 60.310180] [<000000005856f57a>] ? ___ratelimit+0x55/0x413 [ 60.310187] [<0000000090a36d27>] oom_kill_process.cold+0xd/0xa74 [ 60.310195] [<00000000dbf82171>] ? has_capability_noaudit+0x25/0x30 [ 60.310204] [<0000000071c9bfa9>] ? oom_badness.part.0+0x11d/0x600 [ 60.310211] [<00000000962d29cd>] ? oom_badness.part.0+0x12f/0x600 [ 60.310218] [<00000000d3c1e6fe>] ? out_of_memory+0x6d3/0xea0 [ 60.310225] [<00000000a747f2cd>] out_of_memory+0x29b/0xea0 [ 60.310231] [<00000000720c829d>] ? out_of_memory+0x41c/0xea0 [ 60.310239] [<000000000c360d19>] ? oom_killer_disable+0x210/0x210 [ 60.310246] [<0000000032e9d012>] ? trace_hardirqs_on+0xd/0x10 [ 60.310252] [<000000003fca63a5>] ? __alloc_pages_nodemask+0x10d0/0x1a80 executing program [ 60.310258] [<000000002db9b06e>] __alloc_pages_nodemask+0x1730/0x1a80 [ 60.310265] [<00000000842c3a3c>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 60.310273] [<00000000e18e396c>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 60.310280] [<00000000aa531a86>] __vmalloc_node_range+0x25b/0x610 [ 60.310288] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 60.310295] [<0000000037668abf>] vmalloc+0x5c/0x70 [ 60.310301] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 60.310308] [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 [ 60.310314] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 [ 60.310321] [<000000003292951b>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 60.310327] [<00000000fe60f62f>] ? mutex_unlock+0x9/0x10 [ 60.310335] [<000000000194b965>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 executing program [ 60.310342] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 [ 60.310348] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 [ 60.310355] [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 [ 60.310363] [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 [ 60.310369] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 [ 60.310376] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 60.310383] [<0000000027f979c7>] ? __do_page_fault+0x545/0xa60 [ 60.310389] [<00000000a50b9cf8>] ? bad_area_access_error+0x3d0/0x3d0 [ 60.310396] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 60.310402] [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 [ 60.310409] [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 60.310412] Mem-Info: [ 60.310426] active_anon:3390 inactive_anon:40 isolated_anon:0 [ 60.310426] active_file:18 inactive_file:38 isolated_file:4 [ 60.310426] unevictable:0 dirty:0 writeback:0 unstable:0 [ 60.310426] slab_reclaimable:4265 slab_unreclaimable:56460 [ 60.310426] mapped:41 shmem:48 pagetables:345 bounce:0 [ 60.310426] free:0 free_pcp:8 free_cma:0 [ 60.310438] Node 0 active_anon:13560kB inactive_anon:160kB active_file:72kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):16kB mapped:164kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 60.310453] 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 [ 60.310476] Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:13560kB inactive_anon:160kB active_file:72kB inactive_file:152kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:225840kB kernel_stack:3456kB pagetables:1380kB bounce:0kB free_pcp:32kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 60.310506] 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 ** 43 printk messages dropped ** [ 60.343994] CPU: 1 PID: 2073 Comm: syz-executor516 Not tainted 4.9.194+ #0 [ 60.344008] ffff8801cebaf738 ffffffff81b67001 ffff8801cebafa90 ffffffff833f1c30 [ 60.344017] 00000000000003e8 ffff8801cebafaa8 0000000000000000 ffff8801cebaf7b8 ** 200 printk messages dropped ** [ 60.405393] 100 total pagecache pages [ 60.405395] 0 pages in swap cache [ 60.405398] Swap cache stats: add 0, delete 0, find 0/0 [ 60.405400] Free swap = 0kB [ 60.405402] Total swap = 0kB [ 60.405404] 1965979 pages RAM [ 60.405405] 0 pages HighMem/MovableOnly [ 60.405407] 313627 pages reserved [ 60.405409] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 60.405423] [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 60.405432] [ 582] 0 582 5377 176 15 3 0 -1000 udevd [ 60.405440] [ 583] 0 583 5746 537 16 3 0 -1000 udevd [ 60.405449] [ 1749] 0 1749 2492 573 9 3 0 0 dhclient [ 60.405457] [ 1890] 0 1890 30582 110 24 3 0 0 rsyslogd [ 60.405465] [ 1944] 0 1944 4724 50 15 3 0 0 cron [ 60.405473] [ 1962] 0 1962 3734 44 11 3 0 0 mcstransd [ 60.405482] [ 1973] 0 1973 12926 1227 28 3 0 0 restorecond [ 60.405489] [ 1981] 0 1981 12489 152 30 3 0 -1000 sshd executing program [ 60.405495] [ 2021] 0 2021 3648 39 13 3 0 0 getty [ 60.405502] [ 2058] 0 2058 17820 197 40 3 0 0 sshd [ 60.405509] [ 2060] 0 2060 4381 1 4 2 0 0 syz-executor516 [ 60.405515] [ 2061] 0 2061 4381 11 4 2 0 0 syz-executor516 [ 60.405523] [ 2062] 0 2062 4381 11 4 2 0 0 syz-executor516 [ 60.405536] [ 2064] 0 2064 4381 11 4 2 0 0 syz-executor516 executing program [ 60.405544] [ 2065] 0 2065 4381 11 4 2 0 0 syz-executor516 [ 60.405552] [ 2066] 0 2066 4381 11 4 2 0 0 syz-executor516 [ 60.405559] [ 2067] 0 2067 4381 11 4 2 0 0 syz-executor516 [ 60.405566] [ 2070] 0 2070 4381 0 5 2 0 1000 syz-executor516 [ 60.405573] [ 2071] 0 2071 4381 0 5 2 0 1000 syz-executor516 [ 60.405580] [ 2072] 0 2072 4381 0 5 2 0 1000 syz-executor516 [ 60.405588] [ 2073] 0 2073 4381 11 5 2 0 1000 syz-executor516 [ 60.405596] [ 2074] 0 2074 4381 11 5 2 0 1000 syz-executor516 [ 60.405603] syz-executor516: [ 60.405604] [ 2075] 0 2075 4381 11 5 2 0 1000 syz-executor516 [ 60.405613] vmalloc: allocation failure, allocated 975319040 of 3406176256 bytes[ 60.405613] [ 2076] 0 2076 2666 34 10 3 0 0 init [ 60.405617] , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 60.405622] [ 2077] 0 2077 2666 34 10 3 0 0 init ** 161 printk messages dropped ** [ 60.969556] 1965979 pages RAM [ 60.969558] 0 pages HighMem/MovableOnly [ 60.969560] 313627 pages reserved [ 60.969562] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 60.969577] [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 60.969585] [ 582] 0 582 5377 176 15 3 0 -1000 udevd [ 60.969593] [ 583] 0 583 5746 537 16 3 0 -1000 udevd [ 60.969601] [ 1749] 0 1749 2492 573 9 3 0 0 dhclient [ 60.969610] [ 1890] 0 1890 30582 110 24 3 0 0 rsyslogd [ 60.969618] [ 1944] 0 1944 4724 50 15 3 0 0 cron [ 60.969626] [ 1962] 0 1962 3734 44 11 3 0 0 mcstransd [ 60.969633] [ 1973] 0 1973 12926 1227 28 3 0 0 restorecond [ 60.969642] [ 1981] 0 1981 12489 152 30 3 0 -1000 sshd [ 60.969649] [ 2021] 0 2021 3648 39 13 3 0 0 getty [ 60.969658] [ 2058] 0 2058 17820 255 40 3 0 0 sshd [ 60.969666] [ 2060] 0 2060 4381 1 4 2 0 0 syz-executor516 [ 60.969674] [ 2061] 0 2061 4381 11 4 2 0 0 syz-executor516 [ 60.969681] [ 2062] 0 2062 4381 11 4 2 0 0 syz-executor516 [ 60.969689] [ 2064] 0 2064 4381 11 4 2 0 0 syz-executor516 [ 60.969697] [ 2065] 0 2065 4381 11 4 2 0 0 syz-executor516 [ 60.969705] [ 2066] 0 2066 4381 11 4 2 0 0 syz-executor516 [ 60.969713] [ 2067] 0 2067 4381 11 4 2 0 0 syz-executor516 [ 60.969720] [ 2073] 0 2073 4381 0 5 2 0 1000 syz-executor516 [ 60.969728] [ 2074] 0 2074 4381 0 5 2 0 1000 syz-executor516 [ 60.969736] [ 2075] 0 2075 4381 11 5 2 0 1000 syz-executor516 [ 60.969744] [ 2076] 0 2076 2666 34 10 3 0 0 init [ 60.969752] [ 2077] 0 2077 2666 34 10 3 0 0 init [ 60.969760] [ 2078] 0 2078 2666 34 10 3 0 0 init [ 60.969768] [ 2079] 0 2079 2666 34 10 3 0 0 init [ 60.969776] [ 2080] 0 2080 2666 34 10 3 0 0 init [ 60.969784] [ 2081] 0 2081 2666 34 10 3 0 0 init [ 60.969792] [ 2083] 0 2083 4381 11 5 2 0 1000 syz-executor516 [ 60.969800] [ 2084] 0 2084 4381 11 5 2 0 1000 syz-executor516 [ 60.969808] [ 2085] 0 2085 4381 11 5 2 0 1000 syz-executor516 [ 60.969812] Out of memory: Kill process 2075 (syz-executor516) score 999 or sacrifice child [ 60.969823] Killed process 2075 (syz-executor516) total-vm:17524kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 60.969936] oom_reaper: reaped process 2075 (syz-executor516), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program [ 60.973411] syz-executor516 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 60.973418] CPU: 1 PID: 2083 Comm: syz-executor516 Not tainted 4.9.194+ #0 [ 60.973430] ffff8801b8fe7738 ffffffff81b67001 ffff8801b8fe7a90 ffffffff833f1c30 [ 60.973439] 00000000000003e8 ffff8801b8fe7aa8 0000000000000000 ffff8801b8fe77b8 [ 60.973447] ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 [ 60.973449] Call Trace: [ 60.973462] [<000000007e6d3235>] dump_stack+0xc1/0x120 [ 60.973472] [<00000000488e171b>] dump_header.isra.0+0x142/0x74c [ 60.973481] [<000000005bc69259>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 60.973489] [<000000005856f57a>] ? ___ratelimit+0x55/0x413 [ 60.973497] [<0000000090a36d27>] oom_kill_process.cold+0xd/0xa74 [ 60.973506] [<00000000dbf82171>] ? has_capability_noaudit+0x25/0x30 [ 60.973514] [<0000000071c9bfa9>] ? oom_badness.part.0+0x11d/0x600 [ 60.973521] [<00000000962d29cd>] ? oom_badness.part.0+0x12f/0x600 [ 60.973527] [<00000000d3c1e6fe>] ? out_of_memory+0x6d3/0xea0 [ 60.973535] [<00000000a747f2cd>] out_of_memory+0x29b/0xea0 [ 60.973541] [<00000000720c829d>] ? out_of_memory+0x41c/0xea0 [ 60.973547] [<000000000c360d19>] ? oom_killer_disable+0x210/0x210 [ 60.973554] [<0000000032e9d012>] ? trace_hardirqs_on+0xd/0x10 [ 60.973559] [<000000003fca63a5>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 60.973565] [<000000002db9b06e>] __alloc_pages_nodemask+0x1730/0x1a80 [ 60.973571] [<00000000842c3a3c>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 60.973578] [<00000000e18e396c>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 60.973585] [<00000000aa531a86>] __vmalloc_node_range+0x25b/0x610 [ 60.973593] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 60.973598] [<0000000037668abf>] vmalloc+0x5c/0x70 [ 60.973605] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 60.973612] [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 [ 60.973619] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 [ 60.973626] [<000000003292951b>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 60.973633] [<00000000fe60f62f>] ? mutex_unlock+0x9/0x10 [ 60.973642] [<000000000194b965>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 60.973649] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 [ 60.973656] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 [ 60.973664] [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 [ 60.973673] [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 [ 60.973679] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 [ 60.973685] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 60.973693] [<0000000027f979c7>] ? __do_page_fault+0x545/0xa60 [ 60.973701] [<00000000a50b9cf8>] ? bad_area_access_error+0x3d0/0x3d0 [ 60.973708] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 60.973713] [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 [ 60.973721] [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 60.973724] Mem-Info: [ 60.973740] active_anon:3385 inactive_anon:40 isolated_anon:0 [ 60.973740] active_file:94 inactive_file:124 isolated_file:0 [ 60.973740] unevictable:0 dirty:0 writeback:0 unstable:0 [ 60.973740] slab_reclaimable:4266 slab_unreclaimable:56459 [ 60.973740] mapped:222 shmem:48 pagetables:346 bounce:0 [ 60.973740] free:45 free_pcp:30 free_cma:0 [ 60.973752] Node 0 active_anon:13540kB inactive_anon:160kB active_file:376kB inactive_file:496kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:888kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 60.973770] DMA32 free:164kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:228kB inactive_file:496kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 60.973793] Normal free:16kB min:5580kB low:9168kB high:12756kB active_anon:13440kB inactive_anon:160kB active_file:48kB inactive_file:12kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17064kB slab_unreclaimable:225836kB kernel_stack:3424kB pagetables:1384kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 60.973834] DMA32: 7*4kB (M) 2*8kB (UM) 4*16kB (UM) 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 204kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 306 total pagecache pages [ 60.973863] 0 pages in swap cache [ 60.973866] Swap cache stats: add 0, delete 0, find 0/0 [ 60.973868] Free swap = 0kB [ 60.973869] Total swap = 0kB [ 60.973871] 1965979 pages RAM [ 60.973873] 0 pages HighMem/MovableOnly [ 60.973874] 313627 pages reserved [ 60.973876] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 60.973891] [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 60.973900] [ 582] 0 582 5377 176 15 3 0 -1000 udevd [ 60.973907] syz-executor516: [ 60.973907] [ 583] 0 583 5746 537 16 3 0 -1000 udevd [ 60.973916] vmalloc: allocation failure, allocated 2451218432 of 3406176256 bytes[ 60.973916] [ 1749] 0 1749 2492 573 9 3 0 0 dhclient [ 60.973920] , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 60.973925] [ 1890] 0 1890 30582 110 24 3 0 0 rsyslogd [ 60.973929] CPU: 0 PID: 2075 Comm: syz-executor516 Not tainted 4.9.194+ #0 [ 60.973935] [ 1944] 0 1944 4724 50 15 3 0 0 cron [ 60.973942] ffff8801ceb37a10 [ 60.973942] [ 1962] 0 1962 3734 44 11 3 0 0 mcstransd [ 60.973949] ffffffff81b67001[ 60.973950] [ 1973] 0 1973 12926 1227 28 3 0 0 restorecond [ 60.973956] 1ffff10039d66f44[ 60.973957] [ 1981] 0 1981 12489 152 30 3 0 -1000 sshd [ 60.973963] dffffc0000000000[ 60.973964] [ 2021] 0 2021 3648 39 13 3 0 0 getty [ 60.973971] ffffffff82aab480 [ 60.973971] [ 2058] 0 2058 17820 240 40 3 0 0 sshd [ 60.973983] 0000000000000000[ 60.973984] [ 2060] 0 2060 4381 1 4 2 0 0 syz-executor516 [ 60.973990] 0000000000400000[ 60.973991] [ 2061] 0 2061 4381 11 4 2 0 0 syz-executor516 [ 60.973997] ffff8801ceb37b38[ 60.973998] [ 2062] 0 2062 4381 11 4 2 0 0 syz-executor516 [ 60.974005] ffffffff815080fc [ 60.974006] [ 2064] 0 2064 4381 11 4 2 0 0 syz-executor516 [ 60.974012] 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 [ 60.974017] [ 2065] 0 2065 4381 11 4 2 0 0 syz-executor516 [ 60.974018] Call Trace: [ 60.974024] [ 2066] 0 2066 4381 11 4 2 0 0 syz-executor516 [ 60.974031] [<000000007e6d3235>] dump_stack+0xc1/0x120 [ 60.974036] [ 2067] 0 2067 4381 11 4 2 0 0 syz-executor516 [ 60.974043] [<000000003e8af520>] warn_alloc.cold+0x76/0x93 [ 60.974048] [ 2073] 0 2073 4381 0 5 2 0 1000 syz-executor516 [ 60.974053] [<000000007c681cec>] ? zone_watermark_ok_safe+0x260/0x260 [ 60.974059] [ 2074] 0 2074 4381 0 5 2 0 1000 syz-executor516 [ 60.974065] [<00000000326d9aa5>] ? check_preemption_disabled+0x3c/0x200 [ 60.974071] [ 2075] 0 2075 4381 0 5 2 0 1000 syz-executor516 [ 60.974076] [<00000000b03dc00f>] __vmalloc_node_range+0x404/0x610 [ 60.974081] [ 2076] 0 2076 2666 34 10 3 0 0 init [ 60.974086] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 60.974092] [ 2077] 0 2077 2666 34 10 3 0 0 init [ 60.974096] [<0000000037668abf>] vmalloc+0x5c/0x70 [ 60.974101] [ 2078] 0 2078 2666 34 10 3 0 0 init [ 60.974106] [<00000000c578d932>] ? xt_alloc_table_info+0xc8/0x100 [ 60.974112] [ 2079] 0 2079 2666 34 10 3 0 0 init [ 60.974117] [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 [ 60.974122] [ 2080] 0 2080 2666 34 10 3 0 0 init [ 60.974126] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 [ 60.974132] [ 2081] 0 2081 2666 34 10 3 0 0 init [ 60.974136] [<000000003292951b>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 60.974142] [ 2083] 0 2083 4381 11 5 2 0 1000 syz-executor516 [ 60.974146] [<00000000fe60f62f>] ? mutex_unlock+0x9/0x10 [ 60.974152] [ 2084] 0 2084 4381 11 5 2 0 1000 syz-executor516 [ 60.974158] [<000000000194b965>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 60.974163] [ 2085] 0 2085 4381 11 5 2 0 1000 syz-executor516 [ 60.974168] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 [ 60.974171] Out of memory: Kill process 2083 (syz-executor516) score 999 or sacrifice child [ 60.974176] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 [ 60.974180] Killed process 2083 (syz-executor516) total-vm:17524kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 60.974185] [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 [ 60.974191] [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 [ 60.974196] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 [ 60.974201] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 60.974207] [<0000000027f979c7>] ? __do_page_fault+0x545/0xa60 [ 60.974214] [<00000000a50b9cf8>] ? bad_area_access_error+0x3d0/0x3d0 [ 60.974220] [<00000000390bb5ae>] ? SyS_recv+0x40/0x40 [ 60.974226] [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 [ 60.974233] [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 60.974235] Mem-Info: [ 60.974249] active_anon:3385 inactive_anon:40 isolated_anon:0 [ 60.974249] active_file:94 inactive_file:124 isolated_file:0 [ 60.974249] unevictable:0 dirty:0 writeback:0 unstable:0 [ 60.974249] slab_reclaimable:4266 slab_unreclaimable:56459 [ 60.974249] mapped:222 shmem:48 pagetables:346 bounce:0 [ 60.974249] free:14 free_pcp:0 free_cma:0 [ 60.974261] Node 0 active_anon:13440kB inactive_anon:160kB active_file:376kB inactive_file:496kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:888kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 60.974265] oom_reaper: reaped process 2083 (syz-executor516), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 60.974279] DMA32 free:40kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:228kB inactive_file:496kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:24kB local_pcp:0kB free_cma:0kB [ 60.974281] syz-executor516: [ 60.974284] lowmem_reserve[]: [ 60.974285] vmalloc: allocation failure, allocated 336433152 of 3406176256 bytes 0, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) 3505[ 60.974293] CPU: 1 PID: 2083 Comm: syz-executor516 Not tainted 4.9.194+ #0 [ 60.974296] 3505 ffff8801b8fe7a10