[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 10.634663] random: sshd: uninitialized urandom read (32 bytes read) [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.574819] random: crng init done Warning: Permanently added '10.128.1.33' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 34.243457] lowmemorykiller: Killing 'syz-executor005' (2057) (tgid 2057), adj 1000, [ 34.243457] to free 44kB on behalf of 'kswapd0' (33) because [ 34.243457] cache 36336kB is below limit 65536kB for oom_score_adj 12 [ 34.243457] Free memory is -13312kB above reserved [ 34.274750] lowmemorykiller: Killing 'syz-executor005' (2057) (tgid 2057), adj 1000, [ 34.274750] to free 44kB on behalf of 'syz-executor005' (2057) because [ 34.274750] cache 34036kB is below limit 65536kB for oom_score_adj 12 [ 34.274750] Free memory is -12376kB above reserved [ 34.274757] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 34.274762] in_atomic(): 0, irqs_disabled(): 0, pid: 2057, name: syz-executor005 [ 34.274766] 2 locks held by syz-executor005/2057: [ 34.274791] #0: (shrinker_rwsem){++++..}, at: [<00000000ce579605>] shrink_slab.part.0+0xb2/0xa20 [ 34.274808] #1: (rcu_read_lock){......}, at: [<000000003de11a53>] lowmem_scan+0x242/0xb50 [ 34.274818] Preemption disabled at: [ 34.274819] [<00000000af92fa7f>] get_task_mm+0x20/0xc0 [ 34.274829] CPU: 1 PID: 2057 Comm: syz-executor005 Not tainted 4.9.185+ #8 [ 34.274843] ffff8801cf337310 ffffffff81b5a081 0000000000000000 0000000000000001 [ 34.274854] ffff8801d1ef8000 ffffffff810d0ca0 ffff8801d1ef8000 ffff8801cf337348 [ 34.274864] ffffffff814002fc ffff8801d1ef8000 ffffffff82a39940 0000000000000387 [ 34.274866] Call Trace: [ 34.274876] [<0000000021d05f64>] dump_stack+0xc1/0x120 [ 34.274883] [<00000000af92fa7f>] ? get_task_mm+0x20/0xc0 [ 34.274892] [<00000000c40da63c>] ___might_sleep.cold+0x1c1/0x1fa [ 34.274902] [<00000000289a5b40>] __might_sleep+0x95/0x1a0 [ 34.274909] [<00000000e8ce9a62>] mmput+0x28/0x370 [ 34.274917] [<00000000136e32aa>] handle_lmk_event+0xea/0x8a0 [ 34.274924] [<00000000f08c3ca5>] lowmem_scan+0x695/0xb50 [ 34.274933] [<00000000948d7857>] shrink_slab.part.0+0x3cf/0xa20 [ 34.274941] [<0000000006853684>] ? unregister_shrinker+0x230/0x230 [ 34.274949] [<000000001a9fc124>] ? mod_delayed_work_on+0xe5/0x140 [ 34.274958] [<0000000058b79cbc>] ? __local_bh_enable_ip+0x6a/0xe0 [ 34.274966] [<00000000a226f9f0>] shrink_node+0x1ed/0x750 [ 34.274973] [<0000000058b79cbc>] ? __local_bh_enable_ip+0x6a/0xe0 [ 34.274981] [<00000000a2a7411c>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 34.274991] [<00000000bd4d549d>] ? wakeup_flusher_threads+0x27c/0x480 [ 34.274998] [<00000000a4656a4f>] ? wakeup_flusher_threads+0xdb/0x480 [ 34.275006] [<00000000aba43c57>] try_to_free_pages+0x397/0xbd0 [ 34.275014] [<0000000026af96f0>] ? shrink_node+0x750/0x750 [ 34.275022] [<00000000ec3cee2e>] __alloc_pages_nodemask+0x930/0x1a80 [ 34.275030] [<000000005f8d2c0e>] ? retint_kernel+0x2d/0x2d [ 34.275039] [<000000008705e1ed>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 34.275048] [<00000000d6b2e0a2>] __vmalloc_node_range+0x25b/0x610 [ 34.275057] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 34.275064] [<000000002458d77a>] vmalloc+0x5c/0x70 [ 34.275072] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 34.275080] [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 [ 34.275087] [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 [ 34.275095] [<00000000b26985b3>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 34.275103] [<00000000e54e6ed3>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 34.275111] [<00000000eb2327fa>] ? __cap_capable+0x182/0x1d0 [ 34.275130] [<000000002b43c127>] ? ns_capable_common+0x12c/0x160 [ 34.275137] [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 [ 34.275147] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 [ 34.275154] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 [ 34.275163] [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 [ 34.275170] [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 [ 34.275178] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 [ 34.275188] [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 [ 34.275196] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 [ 34.275203] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 34.275212] [<0000000063f8fbbd>] ? __do_page_fault+0x545/0xa60 [ 34.275219] [<00000000c7c08010>] ? do_syscall_64+0x4a/0x5c0 [ 34.275226] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 34.275233] [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 [ 34.275241] [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 34.275401] [ 34.275403] ================================= [ 34.275405] [ INFO: inconsistent lock state ] [ 34.275410] 4.9.185+ #8 Tainted: G W [ 34.275412] --------------------------------- [ 34.275415] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 34.275422] syz-executor005/2057 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 34.275435] (&mm->mmap_sem){+++++?}, at: [<00000000069e047b>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 34.275446] mark_held_locks+0xb1/0x100 [ 34.275452] lockdep_trace_alloc+0x18c/0x2b0 [ 34.275458] __alloc_pages_nodemask+0x143/0x1a80 [ 34.275463] __pmd_alloc+0x4a/0x330 [ 34.275469] move_page_tables+0xadb/0xd60 [ 34.275475] shift_arg_pages+0x1ae/0x470 [ 34.275480] setup_arg_pages+0x60d/0x7c0 [ 34.275488] load_elf_binary+0xa84/0x4a90 [ 34.275493] search_binary_handler+0x14f/0x700 [ 34.275499] do_execveat_common.isra.0+0xf81/0x1db0 [ 34.275504] do_execve+0x3a/0x50 [ 34.275511] run_init_process+0x33/0x37 [ 34.275517] try_to_run_init_process+0x18/0x48 [ 34.275523] kernel_init+0xf2/0x163 [ 34.275528] ret_from_fork+0x5c/0x70 [ 34.275531] irq event stamp: 604691 [ 34.275538] hardirqs last enabled at (604691): [<000000005f8d2c0e>] restore_regs_and_iret+0x0/0x1d [ 34.275546] hardirqs last disabled at (604690): [<0000000098984797>] apic_timer_interrupt+0x98/0xb0 [ 34.275553] softirqs last enabled at (604450): [<00000000fbbab1ff>] wb_queue_work+0x1ed/0x450 [ 34.275560] softirqs last disabled at (604446): [<00000000437bf690>] wb_queue_work+0x90/0x450 [ 34.275561] [ 34.275561] other info that might help us debug this: [ 34.275563] Possible unsafe locking scenario: [ 34.275563] [ 34.275564] CPU0 [ 34.275566] ---- [ 34.275570] lock(&mm->mmap_sem); [ 34.275571] [ 34.275575] lock(&mm->mmap_sem); [ 34.275576] [ 34.275576] *** DEADLOCK *** [ 34.275576] [ 34.275580] 3 locks held by syz-executor005/2057: [ 34.275592] #0: (shrinker_rwsem){++++..}, at: [<00000000ce579605>] shrink_slab.part.0+0xb2/0xa20 [ 34.275603] #1: (rcu_read_lock){......}, at: [<000000003de11a53>] lowmem_scan+0x242/0xb50 [ 34.275615] #2: (lmk_event_lock){+.+.-.}, at: [<00000000d5b34b8f>] handle_lmk_event+0xfb/0x8a0 [ 34.275616] [ 34.275616] stack backtrace: [ 34.275624] CPU: 1 PID: 2057 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 [ 34.275635] ffff8801cf337050 ffffffff81b5a081 00000000000000f0 ffff8801d1ef8000 [ 34.275644] ffffffff83caf760 ffff8801d1ef8948 ffffffff84250ec0 ffff8801cf3370c8 [ 34.275653] ffffffff81406d39 0000000000000000 ffffffff00000001 0000000000000001 [ 34.275654] Call Trace: [ 34.275662] [<0000000021d05f64>] dump_stack+0xc1/0x120 [ 34.275674] [<0000000082983ccb>] print_usage_bug.cold+0x452/0x5a2 [ 34.275681] [<000000005ff9342c>] mark_lock+0x6c7/0x12e0 [ 34.275687] [<000000004747e799>] ? print_irq_inversion_bug+0xa0/0xa0 [ 34.275694] [<000000005fc7e95c>] __lock_acquire+0x5c3/0x4350 [ 34.275701] [<00000000a8b556b4>] ? trace_hardirqs_on+0x10/0x10 [ 34.275708] [<000000005dbce1a9>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 34.275716] [<000000006ce2a8e7>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 34.275722] [<00000000e194cd04>] lock_acquire+0x133/0x3d0 [ 34.275728] [<00000000069e047b>] ? get_cmdline+0xa3/0x2d0 [ 34.275736] [<00000000ab0058bb>] down_read+0x44/0xb0 [ 34.275742] [<00000000069e047b>] ? get_cmdline+0xa3/0x2d0 [ 34.275748] [<00000000069e047b>] get_cmdline+0xa3/0x2d0 [ 34.275755] [<0000000050dbfae6>] handle_lmk_event+0x13c/0x8a0 [ 34.275762] [<00000000f08c3ca5>] lowmem_scan+0x695/0xb50 [ 34.275769] [<00000000948d7857>] shrink_slab.part.0+0x3cf/0xa20 [ 34.275777] [<0000000006853684>] ? unregister_shrinker+0x230/0x230 [ 34.275784] [<000000001a9fc124>] ? mod_delayed_work_on+0xe5/0x140 [ 34.275791] [<0000000058b79cbc>] ? __local_bh_enable_ip+0x6a/0xe0 [ 34.275798] [<00000000a226f9f0>] shrink_node+0x1ed/0x750 [ 34.275805] [<0000000058b79cbc>] ? __local_bh_enable_ip+0x6a/0xe0 [ 34.275812] [<00000000a2a7411c>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 34.275819] [<00000000bd4d549d>] ? wakeup_flusher_threads+0x27c/0x480 [ 34.275826] [<00000000a4656a4f>] ? wakeup_flusher_threads+0xdb/0x480 [ 34.275834] [<00000000aba43c57>] try_to_free_pages+0x397/0xbd0 [ 34.275842] [<0000000026af96f0>] ? shrink_node+0x750/0x750 [ 34.275849] [<00000000ec3cee2e>] __alloc_pages_nodemask+0x930/0x1a80 [ 34.275855] [<000000005f8d2c0e>] ? retint_kernel+0x2d/0x2d [ 34.275863] [<000000008705e1ed>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 34.275871] [<00000000d6b2e0a2>] __vmalloc_node_range+0x25b/0x610 [ 34.275878] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 34.275885] [<000000002458d77a>] vmalloc+0x5c/0x70 [ 34.275892] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 34.275899] [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 [ 34.275906] [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 [ 34.275913] [<00000000b26985b3>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 34.275921] [<00000000e54e6ed3>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 34.275927] [<00000000eb2327fa>] ? __cap_capable+0x182/0x1d0 [ 34.275934] [<000000002b43c127>] ? ns_capable_common+0x12c/0x160 [ 34.275941] [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 [ 34.275948] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 [ 34.275954] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 [ 34.275962] [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 [ 34.275968] [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 [ 34.275975] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 [ 34.275982] [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 [ 34.275989] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 [ 34.275996] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 34.276002] [<0000000063f8fbbd>] ? __do_page_fault+0x545/0xa60 [ 34.276009] [<00000000c7c08010>] ? do_syscall_64+0x4a/0x5c0 [ 34.276015] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 34.276021] [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 [ 34.276029] [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 35.294973] lowmemorykiller: Killing 'syz-executor005' (2057) (tgid 2057), adj 1000, [ 35.294973] to free 44kB on behalf of 'syz-executor005' (2066) because [ 35.294973] cache 588kB is below limit 6144kB for oom_score_adj 0 [ 35.294973] Free memory is -13280kB above reserved [ 35.294979] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 35.294984] in_atomic(): 0, irqs_disabled(): 0, pid: 2066, name: syz-executor005 [ 35.294986] INFO: lockdep is turned off. [ 35.295014] Preemption disabled at: [ 35.295015] [<00000000af92fa7f>] get_task_mm+0x20/0xc0 [ 35.295024] CPU: 1 PID: 2066 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 [ 35.295037] ffff8801c53f7310 ffffffff81b5a081 0000000000000000 0000000000000001 [ 35.295059] ffff8801d1efaf80 ffffffff810d0ca0 ffff8801d1efaf80 ffff8801c53f7348 [ 35.295069] ffffffff814002fc ffff8801d1efaf80 ffffffff82a39940 0000000000000387 [ 35.295070] Call Trace: [ 35.295081] [<0000000021d05f64>] dump_stack+0xc1/0x120 [ 35.295088] [<00000000af92fa7f>] ? get_task_mm+0x20/0xc0 [ 35.295097] [<00000000c40da63c>] ___might_sleep.cold+0x1c1/0x1fa [ 35.295107] [<00000000289a5b40>] __might_sleep+0x95/0x1a0 [ 35.295114] [<00000000e8ce9a62>] mmput+0x28/0x370 [ 35.295123] [<00000000136e32aa>] handle_lmk_event+0xea/0x8a0 [ 35.295131] [<00000000f08c3ca5>] lowmem_scan+0x695/0xb50 [ 35.295141] [<00000000948d7857>] shrink_slab.part.0+0x3cf/0xa20 [ 35.295149] [<0000000006853684>] ? unregister_shrinker+0x230/0x230 [ 35.295158] [<00000000a226f9f0>] shrink_node+0x1ed/0x750 [ 35.295167] [<00000000a2a7411c>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 35.295177] [<00000000fae88c9e>] ? __delayacct_freepages_start+0x41/0x80 [ 35.295185] [<00000000aba43c57>] try_to_free_pages+0x397/0xbd0 [ 35.295193] [<0000000026af96f0>] ? shrink_node+0x750/0x750 [ 35.295201] [<00000000ec3cee2e>] __alloc_pages_nodemask+0x930/0x1a80 [ 35.295210] [<000000008705e1ed>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 35.295218] [<000000005dbce1a9>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 35.295240] [<00000000824fc211>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.295248] [<000000005f8d2c0e>] ? retint_kernel+0x2d/0x2d [ 35.295256] [<00000000d6b2e0a2>] __vmalloc_node_range+0x25b/0x610 [ 35.295266] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 35.295273] [<000000002458d77a>] vmalloc+0x5c/0x70 [ 35.295280] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 35.295288] [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 [ 35.295295] [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 [ 35.295302] [<00000000b26985b3>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 35.295311] [<00000000e54e6ed3>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 35.295318] [<00000000eb2327fa>] ? __cap_capable+0x182/0x1d0 [ 35.295327] [<000000002b43c127>] ? ns_capable_common+0x12c/0x160 [ 35.295333] [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 [ 35.295341] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 [ 35.295348] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 [ 35.295357] [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 [ 35.295364] [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 [ 35.295371] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 [ 35.295380] [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 [ 35.295387] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 [ 35.295394] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 35.295402] [<0000000063f8fbbd>] ? __do_page_fault+0x545/0xa60 [ 35.295409] [<00000000c7c08010>] ? do_syscall_64+0x4a/0x5c0 [ 35.295416] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 35.295422] [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 [ 35.295430] [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 35.324977] oom_reaper: reaped process 2057 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 35.336407] syz-executor005: vmalloc: allocation failure, allocated 1257193472 of 3032399872 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 35.336416] CPU: 1 PID: 2057 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 [ 35.336429] ffff8801cf337910 ffffffff81b5a081 1ffff10039e66f24 dffffc0000000000 [ 35.336439] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801cf337a38 [ 35.336449] ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 [ 35.336452] Call Trace: [ 35.336465] [<0000000021d05f64>] dump_stack+0xc1/0x120 [ 35.336477] [<00000000ccc35bdd>] warn_alloc.cold+0x76/0x93 [ 35.336487] [<000000005c19f2e3>] ? zone_watermark_ok_safe+0x260/0x260 [ 35.336496] [<000000005f8d2c0e>] ? retint_kernel+0x2d/0x2d [ 35.336504] [<00000000a7439f1e>] __vmalloc_node_range+0x3ff/0x610 [ 35.336514] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 35.336521] [<000000002458d77a>] vmalloc+0x5c/0x70 [ 35.336529] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 35.336536] [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 [ 35.336544] [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 [ 35.336552] [<00000000b26985b3>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 35.336568] [<00000000e54e6ed3>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 35.336575] [<00000000eb2327fa>] ? __cap_capable+0x182/0x1d0 [ 35.336585] [<000000002b43c127>] ? ns_capable_common+0x12c/0x160 [ 35.336592] [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 [ 35.336602] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 [ 35.336609] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 [ 35.336619] [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 [ 35.336626] [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 [ 35.336634] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 [ 35.336643] [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 [ 35.336650] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 [ 35.336658] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 35.336666] [<0000000063f8fbbd>] ? __do_page_fault+0x545/0xa60 [ 35.336673] [<00000000c7c08010>] ? do_syscall_64+0x4a/0x5c0 [ 35.336681] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 35.336687] [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 [ 35.336695] [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 35.336698] Mem-Info: [ 35.336715] active_anon:3223 inactive_anon:40 isolated_anon:0 [ 35.336715] active_file:36 inactive_file:47 isolated_file:0 [ 35.336715] unevictable:0 dirty:0 writeback:0 unstable:0 [ 35.336715] slab_reclaimable:4258 slab_unreclaimable:56764 [ 35.336715] mapped:43 shmem:48 pagetables:361 bounce:0 [ 35.336715] free:263 free_pcp:8 free_cma:0 [ 35.336728] Node 0 active_anon:12892kB inactive_anon:160kB active_file:144kB inactive_file:188kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:172kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 35.336746] 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:3020100kB 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 [ 35.336772] Normal free:1044kB min:5580kB low:9168kB high:12756kB active_anon:12892kB inactive_anon:160kB active_file:144kB inactive_file:188kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17032kB slab_unreclaimable:227056kB kernel_stack:3488kB pagetables:1444kB bounce:0kB free_pcp:32kB local_pcp:32kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 35.336806] 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: 30*4kB (H) 9*8kB (H) 5*16kB (H) 1*32kB (H) 3*64kB (H) 2*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1008kB 120 total pagecache pages [ 35.336849] 0 pages in swap cache [ 35.336853] Swap cache stats: add 0, delete 0, find 0/0 [ 35.336855] Free swap = 0kB [ 35.336857] Total swap = 0kB [ 35.336859] 1965979 pages RAM [ 35.336861] 0 pages HighMem/MovableOnly [ 35.336863] 313625 pages reserved [ 35.394696] syz-executor005 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 35.394705] CPU: 1 PID: 2065 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 [ 35.394719] ffff8801c53cf638 ffffffff81b5a081 ffff8801c53cf990 ffffffff833f11b0 [ 35.394729] 00000000000003e8 ffff8801c53cf9a8 0000000000000000 ffff8801c53cf6b8 [ 35.394739] ffffffff8150548b 0000000000000000 00000000000003e8 ffffffff8281c265 [ 35.394741] Call Trace: [ 35.394754] [<0000000021d05f64>] dump_stack+0xc1/0x120 [ 35.394764] [<00000000e9932d06>] dump_header.isra.0+0x142/0x74c [ 35.394773] [<0000000073efc32d>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 35.394781] [<000000009e01df29>] ? ___ratelimit+0x55/0x413 [ 35.394789] [<0000000072374483>] oom_kill_process.cold+0xd/0xa74 [ 35.394799] [<000000008fdfda8d>] ? has_capability_noaudit+0x25/0x30 [ 35.394814] [<00000000c00457f1>] ? oom_badness.part.0+0x11d/0x600 [ 35.394822] [<00000000bc252776>] ? oom_badness.part.0+0x12f/0x600 [ 35.394830] [<0000000047d2456c>] ? out_of_memory+0x6d3/0xea0 [ 35.394837] [<0000000044feb2ac>] out_of_memory+0x29b/0xea0 [ 35.394845] [<00000000a04812ff>] ? out_of_memory+0x41c/0xea0 [ 35.394853] [<00000000d0c354f9>] ? oom_killer_disable+0x210/0x210 [ 35.394861] [<000000007fa2e756>] ? trace_hardirqs_on+0xd/0x10 [ 35.394869] [<0000000045b7eece>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 35.394876] [<000000003e36b144>] __alloc_pages_nodemask+0x1730/0x1a80 [ 35.394885] [<000000008705e1ed>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 35.394892] [<000000005f8d2c0e>] ? retint_kernel+0x2d/0x2d [ 35.394902] [<00000000d6b2e0a2>] __vmalloc_node_range+0x25b/0x610 [ 35.394910] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 35.394917] [<000000002458d77a>] vmalloc+0x5c/0x70 [ 35.394925] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 35.394933] [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 [ 35.394940] [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 [ 35.394948] [<00000000b26985b3>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 35.394956] [<00000000e54e6ed3>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 35.394964] [<00000000eb2327fa>] ? __cap_capable+0x182/0x1d0 [ 35.394972] [<000000002b43c127>] ? ns_capable_common+0x12c/0x160 [ 35.394979] [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 [ 35.394988] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 [ 35.394995] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 [ 35.395004] [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 [ 35.395011] [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 [ 35.395018] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 [ 35.395027] [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 [ 35.395035] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 [ 35.395043] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 35.395051] [<0000000063f8fbbd>] ? __do_page_fault+0x545/0xa60 [ 35.395058] [<00000000c7c08010>] ? do_syscall_64+0x4a/0x5c0 [ 35.395065] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 35.395071] [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 [ 35.395079] [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 35.395113] Mem-Info: [ 35.395129] active_anon:3223 inactive_anon:40 isolated_anon:0 [ 35.395129] active_file:36 inactive_file:47 isolated_file:0 [ 35.395129] unevictable:0 dirty:0 writeback:0 unstable:0 [ 35.395129] slab_reclaimable:4258 slab_unreclaimable:56764 [ 35.395129] mapped:43 shmem:48 pagetables:361 bounce:0 [ 35.395129] free:263 free_pcp:0 free_cma:0 [ 35.395143] Node 0 active_anon:12892kB inactive_anon:160kB active_file:144kB inactive_file:188kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:172kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 35.395162] 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:3020100kB 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 [ 35.395187] Normal free:1044kB min:5580kB low:9168kB high:12756kB active_anon:12892kB inactive_anon:160kB active_file:144kB inactive_file:188kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17032kB slab_unreclaimable:227056kB kernel_stack:3488kB pagetables:1444kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 35.395222] 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: 33*4kB (MH) 10*8kB (MH) 6*16kB (MH) 1*32kB (H) 3*64kB (H) 2*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1044kB 120 total pagecache pages [ 35.395264] 0 pages in swap cache [ 35.395268] Swap cache stats: add 0, delete 0, find 0/0 [ 35.395270] Free swap = 0kB [ 35.395272] Total swap = 0kB [ 35.395274] 1965979 pages RAM [ 35.395276] 0 pages HighMem/MovableOnly [ 35.395278] 313625 pages reserved [ 35.395281] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 35.395293] [ 470] 0 470 5384 174 16 3 0 -1000 udevd [ 35.395303] [ 590] 0 590 5380 172 15 3 0 -1000 udevd [ 35.395312] [ 591] 0 591 5383 172 15 3 0 -1000 udevd [ 35.395321] [ 1763] 0 1763 2492 574 9 3 0 0 dhclient [ 35.395330] [ 1896] 0 1896 14231 109 24 3 0 0 rsyslogd [ 35.395339] [ 1951] 0 1951 4724 50 16 3 0 0 cron [ 35.395348] [ 1969] 0 1969 3735 45 11 3 0 0 mcstransd [ 35.395357] [ 1979] 0 1979 12489 153 29 3 0 -1000 sshd [ 35.395366] [ 1988] 0 1988 12926 1228 27 3 0 0 restorecond [ 35.395375] [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 35.395383] [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 35.395409] [ 2047] 0 2047 3648 41 13 3 0 0 getty [ 35.395429] [ 2048] 0 2048 3648 42 13 3 0 0 getty [ 35.395437] [ 2049] 0 2049 3648 44 13 3 0 0 getty [ 35.395446] [ 2050] 0 2050 3648 43 13 3 0 0 getty [ 35.395454] [ 2051] 0 2051 3648 43 13 3 0 0 getty [ 35.395463] [ 2052] 0 2052 17820 210 39 3 0 0 sshd [ 35.395471] [ 2054] 0 2054 4380 1 4 2 0 0 syz-executor005 [ 35.395492] [ 2055] 0 2055 4380 11 4 2 0 0 syz-executor005 [ 35.395501] [ 2056] 0 2056 4380 11 4 2 0 0 syz-executor005 [ 35.395509] [ 2057] 0 2057 4380 0 5 2 0 1000 syz-executor005 [ 35.395518] [ 2058] 0 2058 4380 11 4 2 0 0 syz-executor005 [ 35.395539] [ 2059] 0 2059 4380 11 4 2 0 0 syz-executor005 [ 35.395547] [ 2060] 0 2060 4380 11 4 2 0 0 syz-executor005 [ 35.395563] [ 2061] 0 2061 4380 11 4 2 0 0 syz-executor005 [ 35.395572] [ 2062] 0 2062 4380 11 5 2 0 1000 syz-executor005 [ 35.395581] [ 2063] 0 2063 4380 11 5 2 0 1000 syz-executor005 [ 35.395589] [ 2064] 0 2064 4380 11 5 2 0 1000 syz-executor005 [ 35.395598] [ 2065] 0 2065 4380 11 5 2 0 1000 syz-executor005 [ 35.395607] [ 2066] 0 2066 4380 11 5 2 0 1000 syz-executor005 [ 35.395612] Out of memory: Kill process 2062 (syz-executor005) score 999 or sacrifice child [ 35.395625] Killed process 2062 (syz-executor005) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [ 35.414409] syz-executor005: vmalloc: allocation failure, allocated 1121013760 of 3032399872 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 35.414417] CPU: 1 PID: 2062 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 [ 35.414430] ffff8801cf217910 ffffffff81b5a081 1ffff10039e42f24 dffffc0000000000 [ 35.414440] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801cf217a38 [ 35.414449] ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 [ 35.414451] Call Trace: [ 35.414462] [<0000000021d05f64>] dump_stack+0xc1/0x120 [ 35.414470] [<00000000ccc35bdd>] warn_alloc.cold+0x76/0x93 [ 35.414480] [<000000005c19f2e3>] ? zone_watermark_ok_safe+0x260/0x260 [ 35.414488] [<00000000a7439f1e>] __vmalloc_node_range+0x3ff/0x610 [ 35.414497] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 35.414504] [<000000002458d77a>] vmalloc+0x5c/0x70 [ 35.414512] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 35.414519] [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 [ 35.414527] [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 [ 35.414534] [<00000000b26985b3>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 35.414543] [<00000000e54e6ed3>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 35.414549] [<00000000eb2327fa>] ? __cap_capable+0x182/0x1d0 [ 35.414565] [<000000002b43c127>] ? ns_capable_common+0x12c/0x160 [ 35.414573] [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 [ 35.414581] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 [ 35.414588] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 [ 35.414596] [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 [ 35.414603] [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 [ 35.414610] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 [ 35.414619] [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 [ 35.414626] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 [ 35.414634] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 35.414641] [<0000000063f8fbbd>] ? __do_page_fault+0x545/0xa60 [ 35.414648] [<00000000c7c08010>] ? do_syscall_64+0x4a/0x5c0 [ 35.414655] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 35.414662] [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 [ 35.414670] [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 35.414673] Mem-Info: [ 35.414689] active_anon:3223 inactive_anon:40 isolated_anon:0 [ 35.414689] active_file:0 inactive_file:13 isolated_file:0 [ 35.414689] unevictable:0 dirty:0 writeback:0 unstable:0 [ 35.414689] slab_reclaimable:4258 slab_unreclaimable:56764 [ 35.414689] mapped:18 shmem:48 pagetables:361 bounce:0 [ 35.414689] free:257 free_pcp:0 free_cma:0 [ 35.414702] Node 0 active_anon:12892kB inactive_anon:160kB active_file:0kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:29 all_unreclaimable? no [ 35.414745] 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:3020100kB 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 [ 35.414770] Normal free:1020kB min:5580kB low:9168kB high:12756kB active_anon:12892kB inactive_anon:160kB active_file:0kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17032kB slab_unreclaimable:227056kB kernel_stack:3488kB pagetables:1444kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 35.414805] 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: 29*4kB (H) 7*8kB (H) 5*16kB (H) 2*32kB (H) 3*64kB (H) 2*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1020kB 95 total pagecache pages [ 35.414848] 0 pages in swap cache [ 35.414852] Swap cache stats: add 0, delete 0, find 0/0 [ 35.414853] Free swap = 0kB [ 35.414855] Total swap = 0kB [ 35.414858] 1965979 pages RAM [ 35.414859] 0 pages HighMem/MovableOnly [ 35.414861] 313625 pages reserved [ 35.424358] oom_reaper: reaped process 2062 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 35.643632] ODEBUG: Out of memory. ODEBUG disabled executing program executing program [ 37.593120] lowmemorykiller: Killing 'syz-executor005' (2063) (tgid 2063), adj 1000, [ 37.593120] to free 44kB on behalf of 'kswapd0' (33) because [ 37.593120] cache 3300kB is below limit 6144kB for oom_score_adj 0 [ 37.593120] Free memory is -8984kB above reserved [ 37.627818] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 37.636383] in_atomic(): 0, irqs_disabled(): 0, pid: 33, name: kswapd0 [ 37.643079] INFO: lockdep is turned off. [ 37.647187] Preemption disabled at:[ 37.650689] [<00000000af92fa7f>] get_task_mm+0x20/0xc0 [ 37.656245] CPU: 0 PID: 33 Comm: kswapd0 Tainted: G W 4.9.185+ #8 [ 37.663628] ffff8801d84077c0 ffffffff81b5a081 0000000000000000 0000000000000001 [ 37.671664] ffff8801d8df8000 ffffffff810d0ca0 ffff8801d8df8000 ffff8801d84077f8 [ 37.679678] ffffffff814002fc ffff8801d8df8000 ffffffff82a39940 0000000000000387 [ 37.687717] Call Trace: [ 37.690320] [<0000000021d05f64>] dump_stack+0xc1/0x120 [ 37.695672] [<00000000af92fa7f>] ? get_task_mm+0x20/0xc0 [ 37.701194] [<00000000c40da63c>] ___might_sleep.cold+0x1c1/0x1fa [ 37.707411] [<00000000289a5b40>] __might_sleep+0x95/0x1a0 [ 37.713020] [<00000000e8ce9a62>] mmput+0x28/0x370 [ 37.717935] [<00000000136e32aa>] handle_lmk_event+0xea/0x8a0 [ 37.723814] [<00000000f08c3ca5>] lowmem_scan+0x695/0xb50 [ 37.729347] [<00000000948d7857>] shrink_slab.part.0+0x3cf/0xa20 [ 37.736003] [<0000000006853684>] ? unregister_shrinker+0x230/0x230 [ 37.742394] [<00000000ad5ce4fd>] ? _raw_spin_unlock_irq+0x39/0x60 [ 37.748702] [<000000004bdfc56a>] ? finish_task_switch+0x1e5/0x660 [ 37.755006] [<000000000b871bcd>] ? finish_task_switch+0x1b7/0x660 [ 37.761324] [<000000008390112f>] ? __switch_to_asm+0x41/0x70 [ 37.767195] [<00000000a226f9f0>] shrink_node+0x1ed/0x750 [ 37.772715] [<00000000a2a7411c>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 37.779713] [<0000000018f73dbb>] kswapd+0x7f8/0x13b0 [ 37.784890] [<00000000324130b3>] ? try_to_free_pages+0xbd0/0xbd0 [ 37.791105] [<00000000fd71ca20>] ? autoremove_wake_function.part.0+0x130/0x130 [ 37.798535] [<000000008206af2e>] ? __kthread_parkme+0x173/0x240 [ 37.804661] [<00000000324130b3>] ? try_to_free_pages+0xbd0/0xbd0 [ 37.810877] [<00000000e72ece4b>] kthread+0x278/0x310 [ 37.816047] [<0000000046229f9b>] ? kthread_park+0xa0/0xa0 [ 37.821655] [<000000006ce2a8e7>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 37.828389] [<00000000ad5ce4fd>] ? _raw_spin_unlock_irq+0x39/0x60 [ 37.834693] [<000000004bdfc56a>] ? finish_task_switch+0x1e5/0x660 [ 37.840994] [<000000000b871bcd>] ? finish_task_switch+0x1b7/0x660 [ 37.847297] [<000000008390112f>] ? __switch_to_asm+0x41/0x70 [ 37.853164] [<00000000a4912b26>] ? __switch_to_asm+0x35/0x70 [ 37.859031] [<000000008390112f>] ? __switch_to_asm+0x41/0x70 [ 37.864901] [<0000000046229f9b>] ? kthread_park+0xa0/0xa0 [ 37.870506] [<0000000046229f9b>] ? kthread_park+0xa0/0xa0 [ 37.876113] [<00000000fac4354d>] ret_from_fork+0x5c/0x70 [ 38.055533] syz-executor005: vmalloc: allocation failure, allocated 1419943936 of 3032399872 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 38.068618] CPU: 1 PID: 2063 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 [ 38.076824] ffff8801cf21f910 ffffffff81b5a081 1ffff10039e43f24 dffffc0000000000 [ 38.084897] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801cf21fa38 [ 38.092922] ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 [ 38.100917] Call Trace: [ 38.103482] [<0000000021d05f64>] dump_stack+0xc1/0x120 [ 38.108821] [<00000000ccc35bdd>] warn_alloc.cold+0x76/0x93 [ 38.114509] [<000000005c19f2e3>] ? zone_watermark_ok_safe+0x260/0x260 [ 38.121165] [<00000000a7439f1e>] __vmalloc_node_range+0x3ff/0x610 [ 38.127505] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 38.133847] [<000000002458d77a>] vmalloc+0x5c/0x70 [ 38.138840] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 38.145131] [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 [ 38.151249] [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 [ 38.157281] [<00000000b26985b3>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 38.164096] [<00000000e54e6ed3>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 38.170820] [<00000000eb2327fa>] ? __cap_capable+0x182/0x1d0 [ 38.176678] [<000000002b43c127>] ? ns_capable_common+0x12c/0x160 [ 38.182881] [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 [ 38.188744] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 [ 38.194260] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 [ 38.199780] [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 [ 38.205418] [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 [ 38.211190] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 [ 38.216788] [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 [ 38.223078] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 [ 38.228847] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 38.234097] [<0000000063f8fbbd>] ? __do_page_fault+0x545/0xa60 [ 38.240131] [<00000000c7c08010>] ? do_syscall_64+0x4a/0x5c0 [ 38.245902] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 38.251150] [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 [ 38.256837] [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 38.263837] Mem-Info: [ 38.266310] active_anon:3232 inactive_anon:40 isolated_anon:0 [ 38.266310] active_file:2 inactive_file:25 isolated_file:0 [ 38.266310] unevictable:0 dirty:0 writeback:37 unstable:0 [ 38.266310] slab_reclaimable:4258 slab_unreclaimable:56365 [ 38.266310] mapped:22 shmem:48 pagetables:351 bounce:0 [ 38.266310] free:494 free_pcp:0 free_cma:0 [ 38.298269] Node 0 active_anon:12928kB inactive_anon:160kB active_file:8kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:0kB writeback:148kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:7 all_unreclaimable? yes [ 38.322149] DMA32 free:36kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:44kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 38.352192] lowmem_reserve[]: 0 3505 3505 [ 38.356900] Normal free:1940kB min:5580kB low:9168kB high:12756kB active_anon:12928kB inactive_anon:160kB active_file:8kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17032kB slab_unreclaimable:225460kB kernel_stack:3488kB pagetables:1404kB bounce:0kB free_pcp:20kB local_pcp:0kB free_cma:0kB [ 38.389084] oom_reaper: reaped process 2063 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 38.395003] syz-executor005 invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 [ 38.395012] CPU: 0 PID: 2059 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 [ 38.395027] ffff8801cf3176f0 ffffffff81b5a081 ffff8801cf317a48 ffffffff833f11b0 [ 38.395037] 0000000000000000 ffff8801cf317a60 0000000000000000 ffff8801cf317770 [ 38.395046] ffffffff8150548b 0000000000000000 0000000000000000 ffffffff8281c265 [ 38.395048] Call Trace: [ 38.395061] [<0000000021d05f64>] dump_stack+0xc1/0x120 [ 38.395084] [<00000000e9932d06>] dump_header.isra.0+0x142/0x74c [ 38.395093] [<0000000073efc32d>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 38.395101] [<000000009e01df29>] ? ___ratelimit+0x55/0x413 [ 38.395109] [<0000000072374483>] oom_kill_process.cold+0xd/0xa74 [ 38.395118] [<000000008fdfda8d>] ? has_capability_noaudit+0x25/0x30 [ 38.395126] [<00000000c00457f1>] ? oom_badness.part.0+0x11d/0x600 [ 38.395134] [<00000000bc252776>] ? oom_badness.part.0+0x12f/0x600 [ 38.395141] [<0000000047d2456c>] ? out_of_memory+0x6d3/0xea0 [ 38.395148] [<0000000044feb2ac>] out_of_memory+0x29b/0xea0 [ 38.395155] [<00000000a04812ff>] ? out_of_memory+0x41c/0xea0 [ 38.395163] [<00000000d0c354f9>] ? oom_killer_disable+0x210/0x210 [ 38.395171] [<000000007fa2e756>] ? trace_hardirqs_on+0xd/0x10 [ 38.395178] [<0000000045b7eece>] ? __alloc_pages_nodemask+0x10d0/0x1a80 executing program [ 38.395185] [<000000003e36b144>] __alloc_pages_nodemask+0x1730/0x1a80 [ 38.395194] [<000000008705e1ed>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 38.395202] [<00000000e2bf70a6>] ? page_cache_prev_hole+0x80/0x80 [ 38.395209] [<00000000049134d1>] ? find_get_entry+0x2a9/0x510 [ 38.395216] [<00000000524f1a56>] ? find_get_entry+0x2d0/0x510 [ 38.395223] [<00000000e2bf70a6>] ? page_cache_prev_hole+0x80/0x80 [ 38.395244] [<00000000580c80cf>] pagecache_get_page+0x248/0x740 [ 38.395251] [<00000000e7b609e5>] filemap_fault+0xb1f/0x1360 [ 38.395272] [<000000002a9af32f>] ext4_filemap_fault+0x72/0xa0 executing program [ 38.395280] [<0000000083a96384>] __do_fault+0x2a8/0x6c0 [ 38.395287] [<0000000033305981>] ? do_page_mkwrite+0x400/0x400 [ 38.395293] [<000000003b2b1063>] ? do_nanosleep+0x302/0x4a0 [ 38.395301] [<000000008429a80a>] ? generic_file_readonly_mmap+0x190/0x190 [ 38.395308] [<000000005493be6a>] handle_mm_fault+0x11bc/0x2420 [ 38.395315] [<000000001e8905e7>] ? vm_insert_page+0x850/0x850 executing program [ 38.395322] [<00000000a26bb693>] ? vmacache_find+0x59/0x280 [ 38.395331] [<00000000384cb741>] __do_page_fault+0x3f0/0xa60 [ 38.395339] [<000000007c308c46>] ? bad_area_access_error+0x3d0/0x3d0 [ 38.395348] [<0000000063a6b3d2>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.395355] [<00000000391a5e43>] do_page_fault+0x28/0x30 [ 38.395361] [<0000000087d73260>] page_fault+0x25/0x30 [ 38.395364] Mem-Info: [ 38.395380] active_anon:3234 inactive_anon:40 isolated_anon:0 [ 38.395380] active_file:8 inactive_file:32 isolated_file:0 [ 38.395380] unevictable:0 dirty:0 writeback:0 unstable:0 [ 38.395380] slab_reclaimable:4268 slab_unreclaimable:56362 [ 38.395380] mapped:12 shmem:48 pagetables:361 bounce:0 [ 38.395380] free:477 free_pcp:0 free_cma:0 [ 38.395393] Node 0 active_anon:12936kB inactive_anon:160kB active_file:32kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:23 all_unreclaimable? no [ 38.395409] 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:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:52kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 38.395434] Normal free:1908kB min:5580kB low:9168kB high:12756kB active_anon:12936kB inactive_anon:160kB active_file:32kB inactive_file:128kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17072kB slab_unreclaimable:225396kB kernel_stack:3488kB pagetables:1444kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB executing program lowmem_reserve[]: 0 0 0 [ 38.395468] 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: 43*4kB (MH) 20*8kB (MH) 11*16kB (MH) 7*32kB (H) 7*64kB (H) 4*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1948kB executing program 88 total pagecache pages [ 38.395509] 0 pages in swap cache [ 38.395512] Swap cache stats: add 0, delete 0, find 0/0 [ 38.395514] Free swap = 0kB [ 38.395516] Total swap = 0kB [ 38.395518] 1965979 pages RAM [ 38.395532] 0 pages HighMem/MovableOnly [ 38.395534] 313625 pages reserved [ 38.395537] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 38.395550] [ 470] 0 470 5384 174 16 3 0 -1000 udevd [ 38.395560] [ 590] 0 590 5380 172 15 3 0 -1000 udevd [ 38.395568] [ 591] 0 591 5383 172 15 3 0 -1000 udevd [ 38.395577] [ 1763] 0 1763 2492 574 9 3 0 0 dhclient [ 38.395586] [ 1896] 0 1896 14264 151 24 3 0 0 rsyslogd [ 38.395595] [ 1951] 0 1951 4724 50 16 3 0 0 cron [ 38.395604] [ 1969] 0 1969 3735 45 11 3 0 0 mcstransd [ 38.395613] [ 1979] 0 1979 12489 153 29 3 0 -1000 sshd [ 38.395621] [ 1988] 0 1988 12926 1228 27 3 0 0 restorecond [ 38.395630] [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 38.395639] [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 38.395647] [ 2047] 0 2047 3648 41 13 3 0 0 getty [ 38.395656] [ 2048] 0 2048 3648 42 13 3 0 0 getty [ 38.395665] [ 2049] 0 2049 3648 44 13 3 0 0 getty executing program executing program executing program [ 38.395673] [ 2050] 0 2050 3648 43 13 3 0 0 getty [ 38.395682] [ 2051] 0 2051 3648 43 13 3 0 0 getty [ 38.395692] [ 2052] 0 2052 17820 198 39 3 0 0 sshd [ 38.395700] [ 2054] 0 2054 4380 1 4 2 0 0 syz-executor005 [ 38.395709] [ 2055] 0 2055 4380 11 4 2 0 0 syz-executor005 [ 38.395718] [ 2056] 0 2056 4380 11 4 2 0 0 syz-executor005 [ 38.395727] [ 2058] 0 2058 4380 11 4 2 0 0 syz-executor005 [ 38.395735] [ 2059] 0 2059 4380 11 4 2 0 0 syz-executor005 [ 38.395744] [ 2060] 0 2060 4380 11 4 2 0 0 syz-executor005 [ 38.395752] [ 2061] 0 2061 4380 11 4 2 0 0 syz-executor005 [ 38.395761] [ 2063] 0 2063 4380 0 5 2 0 1000 syz-executor005 [ 38.395770] [ 2064] 0 2064 4380 11 5 2 0 1000 syz-executor005 [ 38.395779] [ 2065] 0 2065 4380 11 5 2 0 1000 syz-executor005 [ 38.395788] [ 2066] 0 2066 4380 11 5 2 0 1000 syz-executor005 [ 38.395797] [ 2068] 0 2068 4380 11 5 2 0 1000 syz-executor005 [ 38.395806] [ 2069] 0 2069 4380 11 5 2 0 1000 syz-executor005 [ 38.395811] Out of memory: Kill process 2064 (syz-executor005) score 999 or sacrifice child [ 38.395825] Killed process 2064 (syz-executor005) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB executing program [ 38.395982] syz-executor005: vmalloc: allocation failure, allocated 1532911616 of 3032399872 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 38.395989] CPU: 0 PID: 2064 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 [ 38.396012] ffff8801cf177910 ffffffff81b5a081 1ffff10039e2ef24 dffffc0000000000 [ 38.396022] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801cf177a38 [ 38.396032] ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 [ 38.396034] Call Trace: [ 38.396042] [<0000000021d05f64>] dump_stack+0xc1/0x120 [ 38.396050] [<00000000ccc35bdd>] warn_alloc.cold+0x76/0x93 [ 38.396059] [<000000005c19f2e3>] ? zone_watermark_ok_safe+0x260/0x260 [ 38.396066] [<000000005f8d2c0e>] ? retint_kernel+0x2d/0x2d [ 38.396074] [<00000000a7439f1e>] __vmalloc_node_range+0x3ff/0x610 [ 38.396083] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 38.396091] [<000000002458d77a>] vmalloc+0x5c/0x70 [ 38.396098] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 38.396106] [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 [ 38.396114] [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 [ 38.396122] [<00000000b26985b3>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 38.396130] [<00000000e54e6ed3>] ? __mutex_unlock_slowpath+0x25c/0x3e0 [ 38.396138] [<00000000eb2327fa>] ? __cap_capable+0x182/0x1d0 [ 38.396146] [<000000002b43c127>] ? ns_capable_common+0x12c/0x160 [ 38.396153] [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 [ 38.396161] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 [ 38.396168] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 [ 38.396176] [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 [ 38.396184] [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 [ 38.396191] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 [ 38.396200] [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 [ 38.396208] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 [ 38.396216] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 38.396224] [<0000000063f8fbbd>] ? __do_page_fault+0x545/0xa60 [ 38.396230] [<00000000c7c08010>] ? do_syscall_64+0x4a/0x5c0 [ 38.396238] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 38.396244] [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 [ 38.396252] [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 38.396255] Mem-Info: [ 38.396270] active_anon:3234 inactive_anon:40 isolated_anon:0 [ 38.396270] active_file:8 inactive_file:32 isolated_file:0 [ 38.396270] unevictable:0 dirty:0 writeback:0 unstable:0 [ 38.396270] slab_reclaimable:4268 slab_unreclaimable:56362 [ 38.396270] mapped:12 shmem:48 pagetables:361 bounce:0 [ 38.396270] free:477 free_pcp:0 free_cma:0 executing program [ 38.396283] Node 0 active_anon:12936kB inactive_anon:160kB active_file:32kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:23 all_unreclaimable? no executing program [ 38.396300] 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:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:52kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 38.396325] Normal free:1908kB min:5580kB low:9168kB high:12756kB active_anon:12936kB inactive_anon:160kB active_file:32kB inactive_file:128kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17072kB slab_unreclaimable:225396kB kernel_stack:3488kB pagetables:1444kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 38.396359] 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: 39*4kB (H) 19*8kB (H) 10*16kB (H) 7*32kB (H) 7*64kB (H) 4*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1908kB 88 total pagecache pages [ 38.396400] 0 pages in swap cache [ 38.396404] Swap cache stats: add 0, delete 0, find 0/0 [ 38.396406] Free swap = 0kB [ 38.396408] Total swap = 0kB [ 38.396410] 1965979 pages RAM [ 38.396412] 0 pages HighMem/MovableOnly [ 38.396414] 313625 pages reserved [ 38.504340] oom_reaper: reaped process 2064 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 38.545597] oom_reaper: reaped process 2065 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 38.574307] oom_reaper: reaped process 2066 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 38.589760] syz-executor005 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 38.589769] CPU: 0 PID: 2068 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 ** 68 printk messages dropped ** [ 38.590376] [ 1896] 0 1896 14264 151 24 3 0 0 rsyslogd ** 204 printk messages dropped ** [ 38.836735] [ 2055] 0 2055 4380 11 4 2 0 0 syz-executor005 [ 38.836744] [ 2056] 0 2056 4379 17 4 2 0 0 syz-executor005 ** 241 printk messages dropped ** [ 38.860875] Normal: 45*4kB (H) 20*8kB (H) 9*16kB (H) 7*32kB (H) 8*64kB (H) 8*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2500kB executing program 154 total pagecache pages [ 38.860879] 0 pages in swap cache [ 38.860883] Swap cache stats: add 0, delete 0, find 0/0 [ 38.860885] Free swap = 0kB [ 38.860887] Total swap = 0kB [ 38.860890] 1965979 pages RAM [ 38.860892] 0 pages HighMem/MovableOnly [ 38.860894] 313625 pages reserved [ 38.860896] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 38.860909] [ 470] 0 470 5384 174 16 3 0 -1000 udevd [ 38.860919] [ 590] 0 590 5380 172 15 3 0 -1000 udevd [ 38.860929] [ 591] 0 591 5383 172 15 3 0 -1000 udevd [ 38.860938] [ 1763] 0 1763 2492 574 9 3 0 0 dhclient [ 38.860948] [ 1896] 0 1896 14264 170 24 3 0 0 rsyslogd [ 38.860957] [ 1951] 0 1951 4724 50 16 3 0 0 cron [ 38.860965] [ 1969] 0 1969 3735 45 11 3 0 0 mcstransd [ 38.860974] [ 1979] 0 1979 12489 153 29 3 0 -1000 sshd executing program [ 38.860984] [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 38.860993] [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 38.861002] [ 2047] 0 2047 3648 41 13 3 0 0 getty [ 38.861011] [ 2048] 0 2048 3648 42 13 3 0 0 getty [ 38.861021] [ 2049] 0 2049 3648 44 13 3 0 0 getty [ 38.861030] [ 2050] 0 2050 3648 43 13 3 0 0 getty [ 38.861039] [ 2051] 0 2051 3648 43 13 3 0 0 getty [ 38.861049] [ 2052] 0 2052 17820 198 39 3 0 0 sshd executing program [ 38.861058] [ 2054] 0 2054 4380 1 4 2 0 0 syz-executor005 [ 38.861067] [ 2055] 0 2055 4380 11 4 2 0 0 syz-executor005 [ 38.861077] [ 2056] 0 2056 4379 14 4 2 0 0 syz-executor005 [ 38.861086] [ 2058] 0 2058 4380 11 4 2 0 0 syz-executor005 [ 38.861095] [ 2059] 0 2059 4379 14 4 2 0 0 syz-executor005 [ 38.861105] [ 2060] 0 2060 4379 14 4 2 0 0 syz-executor005 ** 10 printk messages dropped ** [ 39.617210] CPU: 0 PID: 2071 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 [ 39.617224] ffff88011d7ff638 ffffffff81b5a081 ffff88011d7ff990 ffffffff833f11b0 [ 39.617234] 00000000000003e8 ffff88011d7ff9a8 0000000000000000 ffff88011d7ff6b8 [ 39.617243] ffffffff8150548b 0000000000000000 00000000000003e8 ffffffff8281c265 [ 39.617245] Call Trace: [ 39.617258] [<0000000021d05f64>] dump_stack+0xc1/0x120 [ 39.617268] [<00000000e9932d06>] dump_header.isra.0+0x142/0x74c [ 39.617276] [<0000000073efc32d>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 39.617285] [<000000009e01df29>] ? ___ratelimit+0x55/0x413 [ 39.617292] [<0000000072374483>] oom_kill_process.cold+0xd/0xa74 [ 39.617301] [<000000008fdfda8d>] ? has_capability_noaudit+0x25/0x30 [ 39.617309] [<00000000c00457f1>] ? oom_badness.part.0+0x11d/0x600 [ 39.617316] [<00000000bc252776>] ? oom_badness.part.0+0x12f/0x600 [ 39.617323] [<0000000047d2456c>] ? out_of_memory+0x6d3/0xea0 [ 39.617331] [<0000000044feb2ac>] out_of_memory+0x29b/0xea0 [ 39.617337] [<00000000a04812ff>] ? out_of_memory+0x41c/0xea0 [ 39.617345] [<00000000d0c354f9>] ? oom_killer_disable+0x210/0x210 [ 39.617353] [<000000007fa2e756>] ? trace_hardirqs_on+0xd/0x10 [ 39.617360] [<0000000045b7eece>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 39.617367] [<000000003e36b144>] __alloc_pages_nodemask+0x1730/0x1a80 [ 39.617376] [<000000008705e1ed>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 39.617384] [<00000000824fc211>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 39.617391] [<000000005f8d2c0e>] ? retint_kernel+0x2d/0x2d [ 39.617400] [<00000000cfa1db3f>] ? ___might_sleep+0x8/0x280 [ 39.617409] [<00000000d6b2e0a2>] __vmalloc_node_range+0x25b/0x610 [ 39.617418] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 39.617424] [<000000002458d77a>] vmalloc+0x5c/0x70 [ 39.617432] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 39.617438] [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 [ 39.617446] [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 [ 39.617453] [<00000000b26985b3>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 39.617460] [<0000000059debf25>] ? mutex_unlock+0x9/0x10 [ 39.617469] [<00000000eb2327fa>] ? __cap_capable+0x182/0x1d0 [ 39.617477] [<000000002b43c127>] ? ns_capable_common+0x12c/0x160 [ 39.617484] [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 [ 39.617492] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 [ 39.617499] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 [ 39.617507] [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 [ 39.617514] [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 [ 39.617521] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 ** 57 printk messages dropped ** [ 39.655364] lowmemorykiller: Killing 'syz-executor005' (2070) (tgid 2070), adj 1000, [ 39.655364] to free 44kB on behalf of 'kswapd0' (33) because [ 39.655364] cache 236kB is below limit 6144kB for oom_score_adj 0 [ 39.655364] Free memory is -10412kB above reserved ** 230 printk messages dropped ** [ 39.668651] Normal: 98*4kB (UMH) 50*8kB (UMH) 46*16kB (UMH) 24*32kB (UMH) 18*64kB (UH) 8*128kB (H) 2*256kB (H) (H) 10*64kB 1*512kB (H) (H) 8*128kB 0*1024kB (H) 0*2048kB ** 25 printk messages dropped ** [ 39.669644] [ 1896] 0 1896 14280 172 24 3 0 0 rsyslogd ** 26 printk messages dropped ** [ 39.670872] oom_reaper: reaped process 2071 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 40.107200] syz-executor005 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 40.107210] CPU: 0 PID: 2073 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 [ 40.107225] ffff88014df37638 ffffffff81b5a081 ffff88014df37990 ffffffff833f11b0 executing program [ 40.107235] 00000000000003e8 ffff88014df379a8 0000000000000000 ffff88014df376b8 [ 40.107245] ffffffff8150548b 0000000000000000 00000000000003e8 ffffffff8281c265 [ 40.107247] Call Trace: [ 40.107261] [<0000000021d05f64>] dump_stack+0xc1/0x120 [ 40.107271] [<00000000e9932d06>] dump_header.isra.0+0x142/0x74c [ 40.107280] [<0000000073efc32d>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 40.107288] [<000000009e01df29>] ? ___ratelimit+0x55/0x413 [ 40.107296] [<0000000072374483>] oom_kill_process.cold+0xd/0xa74 [ 40.107304] [<000000008fdfda8d>] ? has_capability_noaudit+0x25/0x30 [ 40.107313] [<00000000c00457f1>] ? oom_badness.part.0+0x11d/0x600 [ 40.107320] [<00000000bc252776>] ? oom_badness.part.0+0x12f/0x600 executing program [ 40.107328] [<0000000047d2456c>] ? out_of_memory+0x6d3/0xea0 [ 40.107336] [<0000000044feb2ac>] out_of_memory+0x29b/0xea0 [ 40.107342] [<00000000a04812ff>] ? out_of_memory+0x41c/0xea0 [ 40.107349] [<00000000d0c354f9>] ? oom_killer_disable+0x210/0x210 [ 40.107357] [<000000007fa2e756>] ? trace_hardirqs_on+0xd/0x10 [ 40.107363] [<0000000045b7eece>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 40.107369] [<000000003e36b144>] __alloc_pages_nodemask+0x1730/0x1a80 [ 40.107377] [<000000008705e1ed>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 40.107386] [<00000000824fc211>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.107392] [<000000005f8d2c0e>] ? retint_kernel+0x2d/0x2d [ 40.107399] [<0000000066f87ff5>] ? __vmalloc_node_range+0x37f/0x610 [ 40.107406] [<00000000d6b2e0a2>] __vmalloc_node_range+0x25b/0x610 [ 40.107415] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 40.107422] [<000000002458d77a>] vmalloc+0x5c/0x70 [ 40.107429] [<00000000e22b465c>] ? xt_alloc_table_info+0xc8/0x100 [ 40.107435] [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 [ 40.107444] [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 [ 40.107450] [<00000000b26985b3>] ? compat_do_replace.isra.0+0x4e0/0x4e0 [ 40.107458] [<0000000059debf25>] ? mutex_unlock+0x9/0x10 [ 40.107465] [<00000000eb2327fa>] ? __cap_capable+0x182/0x1d0 [ 40.107473] [<000000002b43c127>] ? ns_capable_common+0x12c/0x160 [ 40.107479] [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 [ 40.107488] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 [ 40.107495] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 [ 40.107503] [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 [ 40.107511] [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 [ 40.107517] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 [ 40.107526] [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 [ 40.107534] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 [ 40.107541] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 40.107549] [<0000000063f8fbbd>] ? __do_page_fault+0x545/0xa60 [ 40.107556] [<000000007c308c46>] ? bad_area_access_error+0x3d0/0x3d0 [ 40.107562] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 40.107569] [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 [ 40.107576] [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 40.107579] Mem-Info: [ 40.107596] active_anon:1447 inactive_anon:40 isolated_anon:0 [ 40.107596] active_file:8 inactive_file:45 isolated_file:0 [ 40.107596] unevictable:0 dirty:0 writeback:37 unstable:0 [ 40.107596] slab_reclaimable:4284 slab_unreclaimable:56181 [ 40.107596] mapped:15 shmem:48 pagetables:325 bounce:0 [ 40.107596] free:5686 free_pcp:261 free_cma:0 [ 40.107608] Node 0 active_anon:5788kB inactive_anon:160kB active_file:32kB inactive_file:180kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:60kB dirty:0kB writeback:148kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 40.107626] DMA32 free:18200kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:44kB inactive_file:32kB unevictable:0kB writepending:112kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:12kB slab_unreclaimable:100kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:232kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 40.107650] Normal free:4944kB min:5580kB low:9168kB high:12756kB active_anon:5772kB inactive_anon:160kB active_file:32kB inactive_file:180kB unevictable:0kB writepending:16kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17124kB slab_unreclaimable:224624kB kernel_stack:3424kB pagetables:1296kB bounce:0kB free_pcp:864kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 40.107693] DMA32: 2*4kB (M) 0*8kB 1*16kB (M) 2*32kB (UM) 1*64kB (U) 53*128kB (U) 42*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18200kB Normal: 35*4kB (UH) 17*8kB (UH) 23*16kB (UH) 64*32kB (UH) 10*64kB (H) 8*128kB (H) 2*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5380kB 100 total pagecache pages [ 40.107738] 0 pages in swap cache [ 40.107742] Swap cache stats: add 0, delete 0, find 0/0 executing program ** 171 printk messages dropped ** [ 40.121074] DMA32 free:24kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:44kB inactive_file:32kB unevictable:0kB writepending:112kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:12kB slab_unreclaimable:100kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ** 53 printk messages dropped ** [ 40.864655] [<00000000eb2327fa>] ? __cap_capable+0x182/0x1d0 [ 40.864663] [<000000002b43c127>] ? ns_capable_common+0x12c/0x160 [ 40.864670] [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 [ 40.864678] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 [ 40.864685] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 [ 40.864698] [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 [ 40.864706] [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 [ 40.864713] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 [ 40.864721] [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 [ 40.864729] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 [ 40.864736] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 [ 40.864744] [<0000000063f8fbbd>] ? __do_page_fault+0x545/0xa60 [ 40.864751] [<000000007c308c46>] ? bad_area_access_error+0x3d0/0x3d0 [ 40.864758] [<00000000c12857d8>] ? SyS_recv+0x40/0x40 executing program [ 40.864764] [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 [ 40.864771] [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 41.004326] oom_reaper: reaped process 2075 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 41.010683] getty invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 [ 41.010692] CPU: 1 PID: 2046 Comm: getty Tainted: G W 4.9.185+ #8 [ 41.010719] ffff8801cfb676f0 ffffffff81b5a081 ffff8801cfb67a48 ffffffff833f11b0 [ 41.010731] 0000000000000000 ffff8801cfb67a60 0000000000000000 ffff8801cfb67770 [ 41.010732] warn_alloc: 2 callbacks suppressed [ 41.010736] ffffffff8150548b [ 41.010738] syz-executor005: executing program [ 41.010743] 0000000000000000vmalloc: allocation failure, allocated 548245504 of 3032399872 bytes 0000000000000000, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) ffffffff8281c265 Call Trace: [ 41.010767] [<0000000021d05f64>] dump_stack+0xc1/0x120 [ 41.010777] [<00000000e9932d06>] dump_header.isra.0+0x142/0x74c [ 41.010786] [<0000000073efc32d>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 41.010794] [<000000009e01df29>] ? ___ratelimit+0x55/0x413 ** 99 printk messages dropped ** [ 41.011424] 13*32kB [<000000007c308c46>] ? bad_area_access_error+0x3d0/0x3d0 ** 7 printk messages dropped ** [ 41.011475] 118 total pagecache pages [ 41.011478] 0 pages in swap cache [ 41.011482] Swap cache stats: add 0, delete 0, find 0/0 [ 41.011484] Free swap = 0kB [ 41.011486] Total swap = 0kB [ 41.011488] 1965979 pages RAM [ 41.011490] 0 pages HighMem/MovableOnly [ 41.011492] 313625 pages reserved executing program