[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 11.575691] random: crng init done [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.116' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 40.332470] lowmemorykiller: Killing 'syz-executor335' (2071) (tgid 2071), adj 1000, [ 40.332470] to free 40kB on behalf of 'kswapd0' (33) because [ 40.332470] cache 36332kB is below limit 65536kB for oom_score_adj 12 [ 40.332470] Free memory is -13124kB above reserved [ 40.342751] lowmemorykiller: Killing 'syz-executor335' (2071) (tgid 2071), adj 1000, [ 40.342751] to free 40kB on behalf of 'syz-executor335' (2077) because [ 40.342751] cache 32832kB is below limit 65536kB for oom_score_adj 12 [ 40.342751] Free memory is -12920kB above reserved [ 40.342757] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 40.342762] in_atomic(): 0, irqs_disabled(): 0, pid: 2077, name: syz-executor335 [ 40.342767] 2 locks held by syz-executor335/2077: [ 40.342789] #0: (shrinker_rwsem){++++..}, at: [<0000000025f7965a>] shrink_slab.part.0+0xb2/0xa20 [ 40.342806] #1: (rcu_read_lock){......}, at: [<0000000077c8878c>] lowmem_scan+0x242/0xb50 [ 40.342816] Preemption disabled at: [ 40.342817] [<00000000c502d4ab>] get_task_mm+0x20/0xc0 [ 40.342826] CPU: 0 PID: 2077 Comm: syz-executor335 Not tainted 4.9.185+ #8 [ 40.342840] ffff8801ceacf408 ffffffff81b5a081 0000000000000000 0000000000000001 [ 40.342850] ffff8801ceb32f80 ffffffff810d0ca0 ffff8801ceb32f80 ffff8801ceacf440 [ 40.342860] ffffffff814002fc ffff8801ceb32f80 ffffffff82a39940 0000000000000387 [ 40.342861] Call Trace: [ 40.342871] [<00000000dec5aed0>] dump_stack+0xc1/0x120 [ 40.342878] [<00000000c502d4ab>] ? get_task_mm+0x20/0xc0 [ 40.342887] [<00000000da691524>] ___might_sleep.cold+0x1c1/0x1fa [ 40.342897] [<000000003ec206bf>] __might_sleep+0x95/0x1a0 [ 40.342905] [<00000000a2443017>] mmput+0x28/0x370 [ 40.342911] [<000000007aa14e54>] handle_lmk_event+0xea/0x8a0 [ 40.342919] [<000000006c74b414>] lowmem_scan+0x695/0xb50 [ 40.342927] [<00000000c4620093>] shrink_slab.part.0+0x3cf/0xa20 [ 40.342935] [<00000000da343119>] ? unregister_shrinker+0x230/0x230 [ 40.342943] [<000000001e9042af>] shrink_node+0x1ed/0x750 [ 40.342951] [<00000000ddeebeb6>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 40.342961] [<00000000f280a9ed>] ? __delayacct_freepages_start+0x41/0x80 [ 40.342968] [<000000003f45358c>] try_to_free_pages+0x397/0xbd0 [ 40.342976] [<0000000015b56088>] ? shrink_node+0x750/0x750 [ 40.342984] [<000000005865494f>] __alloc_pages_nodemask+0x930/0x1a80 [ 40.342993] [<00000000372ed1b8>] ? __schedule+0x6d6/0x1f10 [ 40.343003] [<0000000062446b4a>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 40.343012] [<00000000436c0683>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 40.343022] [<0000000063e5657f>] __vmalloc_node_range+0x25b/0x610 [ 40.343031] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 40.343039] [<00000000189527a0>] vmalloc+0x5c/0x70 [ 40.343046] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 40.343054] [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 [ 40.343063] [<00000000714a275b>] do_ip6t_set_ctl+0x231/0x480 [ 40.343071] [<00000000900db141>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 40.343079] [<000000006a21cbaa>] ? mutex_unlock+0x9/0x10 [ 40.343089] [<00000000ed070887>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 40.343097] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 [ 40.343104] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 [ 40.343112] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 [ 40.343120] [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 [ 40.343127] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 [ 40.343134] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 40.343141] [<00000000ebf3d535>] ? __do_page_fault+0x545/0xa60 [ 40.343148] [<00000000e0e479cd>] ? do_syscall_64+0x4a/0x5c0 [ 40.343155] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 40.343161] [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 [ 40.343167] [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 40.343325] [ 40.343327] ================================= [ 40.343328] [ INFO: inconsistent lock state ] [ 40.343333] 4.9.185+ #8 Tainted: G W [ 40.343334] --------------------------------- [ 40.343337] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 40.343343] syz-executor335/2077 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 40.343355] (&mm->mmap_sem){+++++?}, at: [<0000000098d83a1d>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 40.343364] mark_held_locks+0xb1/0x100 [ 40.343370] lockdep_trace_alloc+0x18c/0x2b0 [ 40.343375] __alloc_pages_nodemask+0x143/0x1a80 [ 40.343382] __pmd_alloc+0x4a/0x330 [ 40.343388] move_page_tables+0xadb/0xd60 [ 40.343394] shift_arg_pages+0x1ae/0x470 [ 40.343399] setup_arg_pages+0x60d/0x7c0 [ 40.343407] load_elf_binary+0xa84/0x4a90 [ 40.343412] search_binary_handler+0x14f/0x700 [ 40.343417] do_execveat_common.isra.0+0xf81/0x1db0 [ 40.343422] do_execve+0x3a/0x50 [ 40.343428] run_init_process+0x33/0x37 [ 40.343435] try_to_run_init_process+0x18/0x48 [ 40.343441] kernel_init+0xf2/0x163 [ 40.343446] ret_from_fork+0x5c/0x70 [ 40.343448] irq event stamp: 559255 [ 40.343456] hardirqs last enabled at (559255): [<00000000bd0bd9c4>] restore_regs_and_iret+0x0/0x1d [ 40.343464] hardirqs last disabled at (559254): [<00000000112758bf>] call_function_single_interrupt+0x98/0xb0 [ 40.343472] softirqs last enabled at (557406): [<00000000e9dc0a10>] __do_softirq+0x474/0x964 [ 40.343479] softirqs last disabled at (557399): [<000000009db6a9c1>] irq_exit+0x119/0x160 [ 40.343481] [ 40.343481] other info that might help us debug this: [ 40.343482] Possible unsafe locking scenario: [ 40.343482] [ 40.343484] CPU0 [ 40.343485] ---- [ 40.343489] lock(&mm->mmap_sem); [ 40.343490] [ 40.343494] lock(&mm->mmap_sem); [ 40.343496] [ 40.343496] *** DEADLOCK *** [ 40.343496] [ 40.343499] 3 locks held by syz-executor335/2077: [ 40.343512] #0: (shrinker_rwsem){++++..}, at: [<0000000025f7965a>] shrink_slab.part.0+0xb2/0xa20 [ 40.343525] #1: (rcu_read_lock){......}, at: [<0000000077c8878c>] lowmem_scan+0x242/0xb50 [ 40.343535] #2: (lmk_event_lock){+.+.-.}, at: [<0000000097c48b79>] handle_lmk_event+0xfb/0x8a0 [ 40.343536] [ 40.343536] stack backtrace: [ 40.343543] CPU: 0 PID: 2077 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 [ 40.343553] ffff8801ceacf150 ffffffff81b5a081 00000000000000f0 ffff8801ceb32f80 [ 40.343563] ffffffff83caf5b0 ffff8801ceb338c8 ffffffff84250ec0 ffff8801ceacf1c8 [ 40.343572] ffffffff81406d39 0000000000000000 ffffffff00000001 0000000000000001 [ 40.343573] Call Trace: [ 40.343580] [<00000000dec5aed0>] dump_stack+0xc1/0x120 [ 40.343589] [<000000003190ef65>] print_usage_bug.cold+0x452/0x5a2 [ 40.343595] [<0000000045bee69e>] mark_lock+0x6c7/0x12e0 [ 40.343602] [<000000009bb1abde>] ? print_irq_inversion_bug+0xa0/0xa0 [ 40.343609] [<00000000f7ebcb99>] __lock_acquire+0x5c3/0x4350 [ 40.343622] [<00000000a3c2244f>] ? trace_hardirqs_on+0x10/0x10 [ 40.343629] [<00000000a3c2244f>] ? trace_hardirqs_on+0x10/0x10 [ 40.343637] [<00000000496f58a0>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 40.343644] [<00000000be92e8ab>] lock_acquire+0x133/0x3d0 executing program executing program executing program [ 40.343650] [<0000000098d83a1d>] ? get_cmdline+0xa3/0x2d0 [ 40.343657] [<000000007fcb28fe>] down_read+0x44/0xb0 [ 40.343663] [<0000000098d83a1d>] ? get_cmdline+0xa3/0x2d0 [ 40.343669] [<0000000098d83a1d>] get_cmdline+0xa3/0x2d0 [ 40.343676] [<000000004a70f496>] handle_lmk_event+0x13c/0x8a0 [ 40.343682] [<000000006c74b414>] lowmem_scan+0x695/0xb50 [ 40.343690] [<00000000c4620093>] shrink_slab.part.0+0x3cf/0xa20 [ 40.343698] [<00000000da343119>] ? unregister_shrinker+0x230/0x230 [ 40.343707] [<000000001e9042af>] shrink_node+0x1ed/0x750 [ 40.343714] [<00000000ddeebeb6>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 40.343722] [<00000000f280a9ed>] ? __delayacct_freepages_start+0x41/0x80 [ 40.343729] [<000000003f45358c>] try_to_free_pages+0x397/0xbd0 [ 40.343736] [<0000000015b56088>] ? shrink_node+0x750/0x750 [ 40.343744] [<000000005865494f>] __alloc_pages_nodemask+0x930/0x1a80 [ 40.343750] [<00000000372ed1b8>] ? __schedule+0x6d6/0x1f10 [ 40.343758] [<0000000062446b4a>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 40.343766] [<00000000436c0683>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 40.343774] [<0000000063e5657f>] __vmalloc_node_range+0x25b/0x610 [ 40.343782] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 40.343789] [<00000000189527a0>] vmalloc+0x5c/0x70 [ 40.343796] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 40.343803] [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 [ 40.343810] [<00000000714a275b>] do_ip6t_set_ctl+0x231/0x480 [ 40.343819] [<00000000900db141>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 40.343826] [<000000006a21cbaa>] ? mutex_unlock+0x9/0x10 [ 40.343835] [<00000000ed070887>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 40.343842] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 [ 40.343849] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 [ 40.343856] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 [ 40.343865] [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 [ 40.343873] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 [ 40.343879] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 40.343885] [<00000000ebf3d535>] ? __do_page_fault+0x545/0xa60 [ 40.343892] [<00000000e0e479cd>] ? do_syscall_64+0x4a/0x5c0 [ 40.343899] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 40.343905] [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 [ 40.343913] [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 40.485874] oom_reaper: reaped process 2071 (syz-executor335), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 40.501249] syz-executor335 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 40.501258] CPU: 1 PID: 2078 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 [ 40.501272] ffff8801cea77730 ffffffff81b5a081 ffff8801cea77a88 ffffffff833f11b0 [ 40.501281] 00000000000003e8 ffff8801cea77aa0 0000000000000000 ffff8801cea777b0 [ 40.501289] ffffffff8150548b 0000000000000000 00000000000003e8 ffffffff8281c265 [ 40.501291] Call Trace: [ 40.501305] [<00000000dec5aed0>] dump_stack+0xc1/0x120 [ 40.501315] [<00000000ee0b17fb>] dump_header.isra.0+0x142/0x74c [ 40.501323] [<00000000c101ed60>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 40.501330] [<0000000064acead1>] ? ___ratelimit+0x55/0x413 [ 40.501341] [<00000000e2c2edc7>] oom_kill_process.cold+0xd/0xa74 [ 40.501349] [<000000008567c770>] ? has_capability_noaudit+0x25/0x30 [ 40.501357] [<00000000fcd18ae4>] ? oom_badness.part.0+0x11d/0x600 [ 40.501368] [<000000002e81d7ba>] ? oom_badness.part.0+0x12f/0x600 [ 40.501375] [<00000000676fc36e>] ? out_of_memory+0x6d3/0xea0 [ 40.501381] [<00000000af0a1235>] out_of_memory+0x29b/0xea0 [ 40.501388] [<00000000ecf74085>] ? out_of_memory+0x41c/0xea0 [ 40.501396] [<000000004a9350fe>] ? oom_killer_disable+0x210/0x210 [ 40.501403] [<000000001ebd15f6>] ? trace_hardirqs_on+0xd/0x10 [ 40.501409] [<00000000069328e8>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 40.501419] [<0000000081193d97>] __alloc_pages_nodemask+0x1730/0x1a80 [ 40.501425] [<000000003f2f66c7>] ? __switch_to_asm+0x35/0x70 [ 40.501433] [<00000000436c0683>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 40.501445] [<0000000063e5657f>] __vmalloc_node_range+0x25b/0x610 [ 40.501453] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 40.501460] [<00000000189527a0>] vmalloc+0x5c/0x70 [ 40.501467] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 40.501473] [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 [ 40.501485] [<00000000714a275b>] do_ip6t_set_ctl+0x231/0x480 [ 40.501492] [<00000000900db141>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 40.501505] [<000000006a21cbaa>] ? mutex_unlock+0x9/0x10 [ 40.501513] [<00000000ed070887>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 40.501520] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 [ 40.501527] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 [ 40.501539] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 [ 40.501548] [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 [ 40.501559] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 [ 40.501566] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 40.501574] [<00000000ebf3d535>] ? __do_page_fault+0x545/0xa60 [ 40.501581] [<00000000e0e479cd>] ? do_syscall_64+0x4a/0x5c0 [ 40.501588] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 40.501593] [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 [ 40.501604] [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 40.501655] Mem-Info: [ 40.501670] active_anon:3222 inactive_anon:40 isolated_anon:0 [ 40.501670] active_file:22 inactive_file:26 isolated_file:0 [ 40.501670] unevictable:0 dirty:9 writeback:0 unstable:0 [ 40.501670] slab_reclaimable:4265 slab_unreclaimable:56844 [ 40.501670] mapped:28 shmem:48 pagetables:355 bounce:0 [ 40.501670] free:6061 free_pcp:39 free_cma:0 executing program executing program [ 40.501682] Node 0 active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 40.501698] DMA32 free:18712kB 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 [ 40.501721] Normal free:5532kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227376kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:156kB local_pcp:156kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 40.501766] DMA32: 2*4kB (M) 7*8kB (UM) 6*16kB (UM) 3*32kB (UM) 1*64kB (M) 4*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18752kB executing program Normal: 391*4kB (UMH) 162*8kB (MH) 86*16kB (MH) 30*32kB (MH) 6*64kB (MH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5580kB 110 total pagecache pages [ 40.501807] 0 pages in swap cache [ 40.501810] Swap cache stats: add 0, delete 0, find 0/0 [ 40.501812] Free swap = 0kB [ 40.501814] Total swap = 0kB [ 40.501816] 1965979 pages RAM [ 40.501817] 0 pages HighMem/MovableOnly [ 40.501819] 313625 pages reserved [ 40.501821] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 40.501835] [ 470] 0 470 5384 180 16 3 0 -1000 udevd [ 40.501844] [ 586] 0 586 5379 180 15 3 0 -1000 udevd [ 40.501852] [ 588] 0 588 5383 180 15 3 0 -1000 udevd [ 40.501861] [ 1769] 0 1769 2492 574 7 3 0 0 dhclient [ 40.501869] [ 1910] 0 1910 14231 108 23 3 0 0 rsyslogd [ 40.501877] [ 1964] 0 1964 4724 50 15 3 0 0 cron [ 40.501885] [ 1983] 0 1983 3735 45 11 3 0 0 mcstransd executing program [ 40.501893] [ 1985] 0 1985 12926 1227 28 3 0 0 restorecond [ 40.501901] [ 2011] 0 2011 12489 153 28 3 0 -1000 sshd [ 40.501909] [ 2041] 0 2041 3648 39 13 3 0 0 getty [ 40.501917] [ 2048] 0 2048 3648 43 13 3 0 0 getty [ 40.501924] [ 2049] 0 2049 3648 42 13 3 0 0 getty [ 40.501932] [ 2050] 0 2050 3648 44 13 3 0 0 getty [ 40.501940] [ 2051] 0 2051 3648 43 13 3 0 0 getty executing program [ 40.501948] [ 2052] 0 2052 3648 44 13 3 0 0 getty [ 40.501957] [ 2053] 0 2053 3648 44 12 3 0 0 getty [ 40.501964] [ 2066] 0 2066 17820 208 40 3 0 0 sshd [ 40.501972] [ 2068] 0 2068 4380 1 4 2 0 0 syz-executor335 [ 40.501980] [ 2069] 0 2069 4380 10 4 2 0 0 syz-executor335 [ 40.501988] [ 2070] 0 2070 4380 10 4 2 0 0 syz-executor335 [ 40.502001] [ 2071] 0 2071 4380 0 5 2 0 1000 syz-executor335 [ 40.502051] [ 2072] 0 2072 4380 10 4 2 0 0 syz-executor335 [ 40.502059] [ 2073] 0 2073 4380 10 4 2 0 0 syz-executor335 [ 40.502067] [ 2074] 0 2074 4380 10 4 2 0 0 syz-executor335 [ 40.502074] [ 2075] 0 2075 4380 10 4 2 0 0 syz-executor335 [ 40.502083] [ 2076] 0 2076 4380 10 5 2 0 1000 syz-executor335 [ 40.502091] [ 2077] 0 2077 4380 10 5 2 0 1000 syz-executor335 [ 40.502099] [ 2078] 0 2078 4380 10 5 2 0 1000 syz-executor335 [ 40.502107] [ 2079] 0 2079 4380 10 5 2 0 1000 syz-executor335 [ 40.502115] [ 2080] 0 2080 4380 10 5 2 0 1000 syz-executor335 [ 40.502120] Out of memory: Kill process 2076 (syz-executor335) score 999 or sacrifice child [ 40.502132] Killed process 2076 (syz-executor335) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB [ 40.524641] syz-executor335: vmalloc: allocation failure, allocated 1196457984 of 4294795264 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 40.524649] CPU: 1 PID: 2071 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 [ 40.524665] ffff8801cee6fa08 ffffffff81b5a081 1ffff10039dcdf43 dffffc0000000000 [ 40.524674] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801cee6fb30 [ 40.524683] ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 [ 40.524684] Call Trace: [ 40.524697] [<00000000dec5aed0>] dump_stack+0xc1/0x120 [ 40.524707] [<0000000085f29153>] warn_alloc.cold+0x76/0x93 [ 40.524716] [<0000000055d34310>] ? zone_watermark_ok_safe+0x260/0x260 [ 40.524724] [<00000000bd0bd9c4>] ? retint_kernel+0x2d/0x2d [ 40.524732] [<0000000050a16781>] __vmalloc_node_range+0x3ff/0x610 [ 40.524741] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 40.524747] [<00000000189527a0>] vmalloc+0x5c/0x70 [ 40.524754] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 40.524760] [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 executing program [ 40.524769] [<00000000714a275b>] do_ip6t_set_ctl+0x231/0x480 [ 40.524776] [<00000000900db141>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 40.524784] [<000000006a21cbaa>] ? mutex_unlock+0x9/0x10 executing program [ 40.524799] [<00000000ed070887>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 40.524806] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 [ 40.524812] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 [ 40.524819] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 [ 40.524827] [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 [ 40.524834] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 [ 40.524841] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 40.524848] [<00000000ebf3d535>] ? __do_page_fault+0x545/0xa60 [ 40.524855] [<00000000e0e479cd>] ? do_syscall_64+0x4a/0x5c0 [ 40.524861] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 40.524867] [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 [ 40.524874] [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb executing program executing program [ 40.524877] Mem-Info: [ 40.524892] active_anon:3222 inactive_anon:40 isolated_anon:0 [ 40.524892] active_file:22 inactive_file:26 isolated_file:0 [ 40.524892] unevictable:0 dirty:9 writeback:0 unstable:0 [ 40.524892] slab_reclaimable:4265 slab_unreclaimable:56844 [ 40.524892] mapped:28 shmem:48 pagetables:355 bounce:0 [ 40.524892] free:30 free_pcp:0 free_cma:0 [ 40.524903] Node 0 active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 40.524919] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 40.524942] Normal free:140kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227376kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 40.524973] 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: 5*4kB (H) 5*8kB (H) 2*16kB (H) 1*32kB (H) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 188kB 110 total pagecache pages [ 40.525008] 0 pages in swap cache [ 40.525011] Swap cache stats: add 0, delete 0, find 0/0 [ 40.525013] Free swap = 0kB [ 40.525015] Total swap = 0kB [ 40.525017] 1965979 pages RAM [ 40.525019] 0 pages HighMem/MovableOnly [ 40.525020] 313625 pages reserved [ 40.527289] oom_reaper: reaped process 2076 (syz-executor335), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 40.527457] syz-executor335 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 40.527465] CPU: 1 PID: 2080 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 [ 40.527477] ffff8801cccdf730 ffffffff81b5a081 ffff8801cccdfa88 ffffffff833f11b0 [ 40.527486] 00000000000003e8 ffff8801cccdfaa0 0000000000000000 ffff8801cccdf7b0 [ 40.527496] ffffffff8150548b 0000000000000000 00000000000003e8 ffffffff8281c265 [ 40.527498] Call Trace: [ 40.527508] [<00000000dec5aed0>] dump_stack+0xc1/0x120 [ 40.527516] [<00000000ee0b17fb>] dump_header.isra.0+0x142/0x74c [ 40.527522] [<00000000c101ed60>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 40.527528] [<0000000064acead1>] ? ___ratelimit+0x55/0x413 [ 40.527533] [<00000000e2c2edc7>] oom_kill_process.cold+0xd/0xa74 [ 40.527540] [<000000008567c770>] ? has_capability_noaudit+0x25/0x30 [ 40.527546] [<00000000fcd18ae4>] ? oom_badness.part.0+0x11d/0x600 [ 40.527551] [<000000002e81d7ba>] ? oom_badness.part.0+0x12f/0x600 [ 40.527556] [<00000000676fc36e>] ? out_of_memory+0x6d3/0xea0 [ 40.527561] [<00000000af0a1235>] out_of_memory+0x29b/0xea0 [ 40.527566] [<00000000ecf74085>] ? out_of_memory+0x41c/0xea0 [ 40.527571] [<000000004a9350fe>] ? oom_killer_disable+0x210/0x210 [ 40.527578] [<000000001ebd15f6>] ? trace_hardirqs_on+0xd/0x10 [ 40.527582] [<00000000069328e8>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 40.527587] [<0000000081193d97>] __alloc_pages_nodemask+0x1730/0x1a80 [ 40.527593] [<00000000436c0683>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 40.527598] [<00000000bd0bd9c4>] ? retint_kernel+0x2d/0x2d [ 40.527604] [<0000000063e5657f>] __vmalloc_node_range+0x25b/0x610 [ 40.527610] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 40.527615] [<00000000189527a0>] vmalloc+0x5c/0x70 [ 40.527620] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 40.527625] [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 [ 40.527632] [<00000000714a275b>] do_ip6t_set_ctl+0x231/0x480 [ 40.527638] [<00000000900db141>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 40.527643] [<000000006a21cbaa>] ? mutex_unlock+0x9/0x10 [ 40.527650] [<00000000ed070887>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 40.527655] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 [ 40.527659] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 [ 40.527665] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 [ 40.527671] [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 [ 40.527676] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 [ 40.527681] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 40.527686] [<00000000ebf3d535>] ? __do_page_fault+0x545/0xa60 [ 40.527691] [<00000000e0e479cd>] ? do_syscall_64+0x4a/0x5c0 [ 40.527696] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 40.527700] [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 [ 40.527705] [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 40.527714] Mem-Info: [ 40.527728] active_anon:3222 inactive_anon:40 isolated_anon:0 [ 40.527728] active_file:22 inactive_file:26 isolated_file:0 [ 40.527728] unevictable:0 dirty:9 writeback:0 unstable:0 [ 40.527728] slab_reclaimable:4265 slab_unreclaimable:56844 [ 40.527728] mapped:28 shmem:48 pagetables:355 bounce:0 [ 40.527728] free:30 free_pcp:0 free_cma:0 [ 40.527740] Node 0 active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 40.527757] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 40.527781] Normal free:140kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227376kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 40.527818] 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: 14*4kB (UMH) 5*8kB (H) 2*16kB (H) 1*32kB (H) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 224kB 110 total pagecache pages [ 40.527853] 0 pages in swap cache [ 40.527857] Swap cache stats: add 0, delete 0, find 0/0 [ 40.527858] Free swap = 0kB [ 40.527860] Total swap = 0kB [ 40.527862] 1965979 pages RAM [ 40.527864] 0 pages HighMem/MovableOnly [ 40.527866] 313625 pages reserved [ 40.527868] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 40.527881] [ 470] 0 470 5384 180 16 3 0 -1000 udevd [ 40.527889] [ 586] 0 586 5379 180 15 3 0 -1000 udevd [ 40.527897] [ 588] 0 588 5383 180 15 3 0 -1000 udevd [ 40.527905] [ 1769] 0 1769 2492 574 7 3 0 0 dhclient [ 40.527913] [ 1910] 0 1910 14231 108 23 3 0 0 rsyslogd [ 40.527921] [ 1964] 0 1964 4724 50 15 3 0 0 cron [ 40.527929] [ 1983] 0 1983 3735 45 11 3 0 0 mcstransd [ 40.527937] [ 1985] 0 1985 12926 1227 28 3 0 0 restorecond [ 40.527946] [ 2011] 0 2011 12489 153 28 3 0 -1000 sshd [ 40.527954] [ 2041] 0 2041 3648 39 13 3 0 0 getty executing program [ 40.527961] [ 2048] 0 2048 3648 43 13 3 0 0 getty [ 40.527969] [ 2049] 0 2049 3648 42 13 3 0 0 getty [ 40.527977] [ 2050] 0 2050 3648 44 13 3 0 0 getty [ 40.527985] [ 2051] 0 2051 3648 43 13 3 0 0 getty [ 40.527993] [ 2052] 0 2052 3648 44 13 3 0 0 getty [ 40.528004] [ 2053] 0 2053 3648 44 12 3 0 0 getty [ 40.528012] [ 2066] 0 2066 17820 199 40 3 0 0 sshd [ 40.528020] [ 2068] 0 2068 4380 1 4 2 0 0 syz-executor335 [ 40.528031] [ 2069] 0 2069 4380 10 4 2 0 0 syz-executor335 [ 40.528039] [ 2070] 0 2070 4380 10 4 2 0 0 syz-executor335 [ 40.528047] [ 2071] 0 2071 4380 0 5 2 0 1000 syz-executor335 [ 40.528058] [ 2072] 0 2072 4380 10 4 2 0 0 syz-executor335 [ 40.528066] [ 2073] 0 2073 4380 10 4 2 0 0 syz-executor335 [ 40.528074] [ 2074] 0 2074 4380 10 4 2 0 0 syz-executor335 [ 40.528082] [ 2075] 0 2075 4380 10 4 2 0 0 syz-executor335 [ 40.528090] [ 2076] 0 2076 4380 0 5 2 0 1000 syz-executor335 [ 40.528098] [ 2077] 0 2077 4380 10 5 2 0 1000 syz-executor335 [ 40.528106] [ 2078] 0 2078 4380 10 5 2 0 1000 syz-executor335 [ 40.528114] [ 2079] 0 2079 4380 10 5 2 0 1000 syz-executor335 [ 40.528122] [ 2080] 0 2080 4380 10 5 2 0 1000 syz-executor335 [ 40.528127] Out of memory: Kill process 2077 (syz-executor335) score 999 or sacrifice child [ 40.528138] Killed process 2077 (syz-executor335) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB [ 40.539927] syz-executor335: vmalloc: allocation failure, allocated 1160564736 of 4294795264 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 40.539937] CPU: 0 PID: 2076 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 [ 40.539951] ffff8801ceac7a08 ffffffff81b5a081 1ffff10039d58f43 dffffc0000000000 [ 40.539960] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801ceac7b30 [ 40.539970] ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 [ 40.539971] Call Trace: [ 40.539985] [<00000000dec5aed0>] dump_stack+0xc1/0x120 [ 40.539995] [<0000000085f29153>] warn_alloc.cold+0x76/0x93 [ 40.540005] [<0000000055d34310>] ? zone_watermark_ok_safe+0x260/0x260 [ 40.540014] [<0000000050a16781>] __vmalloc_node_range+0x3ff/0x610 [ 40.540023] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 40.540030] [<00000000189527a0>] vmalloc+0x5c/0x70 [ 40.540037] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 40.540044] [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 [ 40.540054] [<00000000714a275b>] do_ip6t_set_ctl+0x231/0x480 [ 40.540062] [<00000000900db141>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 40.540071] [<000000006a21cbaa>] ? mutex_unlock+0x9/0x10 [ 40.540081] [<00000000ed070887>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 40.540089] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 [ 40.540096] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 [ 40.540104] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 [ 40.540114] [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 [ 40.540121] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 [ 40.540128] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 40.540137] [<00000000ebf3d535>] ? __do_page_fault+0x545/0xa60 [ 40.540144] [<00000000e0e479cd>] ? do_syscall_64+0x4a/0x5c0 [ 40.540151] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 40.540157] [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 [ 40.540165] [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 40.540168] Mem-Info: [ 40.540184] active_anon:3222 inactive_anon:40 isolated_anon:0 [ 40.540184] active_file:22 inactive_file:26 isolated_file:0 [ 40.540184] unevictable:0 dirty:9 writeback:0 unstable:0 [ 40.540184] slab_reclaimable:4265 slab_unreclaimable:56844 [ 40.540184] mapped:28 shmem:48 pagetables:355 bounce:0 [ 40.540184] free:30 free_pcp:0 free_cma:0 [ 40.540197] Node 0 active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 40.540213] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 40.540236] Normal free:140kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227376kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 40.540267] 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: 5*4kB (H) 5*8kB (H) 2*16kB (H) 1*32kB (H) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 188kB 110 total pagecache pages [ 40.540325] 0 pages in swap cache [ 40.540329] Swap cache stats: add 0, delete 0, find 0/0 [ 40.540331] Free swap = 0kB [ 40.540334] Total swap = 0kB [ 40.540336] 1965979 pages RAM [ 40.540337] 0 pages HighMem/MovableOnly [ 40.540339] 313625 pages reserved [ 40.545799] syz-executor335: vmalloc: allocation failure, allocated 1134215168 of 4294795264 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 40.545806] CPU: 0 PID: 2077 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 [ 40.545818] ffff8801ceacfa08 ffffffff81b5a081 1ffff10039d59f43 dffffc0000000000 [ 40.545824] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801ceacfb30 [ 40.545831] ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 [ 40.545832] Call Trace: [ 40.545843] [<00000000dec5aed0>] dump_stack+0xc1/0x120 [ 40.545850] [<0000000085f29153>] warn_alloc.cold+0x76/0x93 [ 40.545857] [<0000000055d34310>] ? zone_watermark_ok_safe+0x260/0x260 [ 40.545864] [<0000000050a16781>] __vmalloc_node_range+0x3ff/0x610 [ 40.545871] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 40.545876] [<00000000189527a0>] vmalloc+0x5c/0x70 [ 40.545881] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 40.545886] [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 [ 40.545893] [<00000000714a275b>] do_ip6t_set_ctl+0x231/0x480 [ 40.545899] [<00000000900db141>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 40.545906] [<000000006a21cbaa>] ? mutex_unlock+0x9/0x10 [ 40.545913] [<00000000ed070887>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 40.545918] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 [ 40.545923] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 [ 40.545930] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 [ 40.545937] [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 [ 40.545943] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 [ 40.545948] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 40.545955] [<00000000ebf3d535>] ? __do_page_fault+0x545/0xa60 [ 40.545959] [<00000000e0e479cd>] ? do_syscall_64+0x4a/0x5c0 [ 40.545964] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 40.545968] [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 [ 40.545974] [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 40.545979] Mem-Info: [ 40.545993] active_anon:3222 inactive_anon:40 isolated_anon:0 [ 40.545993] active_file:22 inactive_file:26 isolated_file:0 [ 40.545993] unevictable:0 dirty:9 writeback:0 unstable:0 [ 40.545993] slab_reclaimable:4265 slab_unreclaimable:56844 [ 40.545993] mapped:28 shmem:48 pagetables:355 bounce:0 [ 40.545993] free:30 free_pcp:0 free_cma:0 [ 40.546005] Node 0 active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 40.546025] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 40.546046] Normal free:140kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:160kB active_file:88kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227376kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:16kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 40.546082] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB [ 40.546083] oom_reaper: reaped process 2077 (syz-executor335), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 40.546088] 0*2048kB 0*4096kB = 0kB Normal: 5*4kB (H) 5*8kB (H) 2*16kB (H) 1*32kB (H) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 188kB 110 total pagecache pages [ 40.546127] 0 pages in swap cache [ 40.546131] Swap cache stats: add 0, delete 0, find 0/0 [ 40.546133] Free swap = 0kB [ 40.546135] Total swap = 0kB [ 40.546137] 1965979 pages RAM [ 40.546139] 0 pages HighMem/MovableOnly [ 40.546141] 313625 pages reserved [ 40.902613] ODEBUG: Out of memory. ODEBUG disabled [ 42.176437] lowmemorykiller: Killing 'syz-executor335' (2078) (tgid 2078), adj 1000, [ 42.176437] to free 40kB on behalf of 'syz-executor335' (2082) because [ 42.176437] cache 3072kB is below limit 6144kB for oom_score_adj 0 [ 42.176437] Free memory is -13448kB above reserved [ 42.176498] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 42.176502] in_atomic(): 0, irqs_disabled(): 0, pid: 2082, name: syz-executor335 [ 42.176505] INFO: lockdep is turned off. [ 42.176521] Preemption disabled at: [ 42.176521] [<00000000c502d4ab>] get_task_mm+0x20/0xc0 [ 42.176530] CPU: 0 PID: 2082 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 [ 42.176542] ffff8801ceacf408 ffffffff81b5a081 0000000000000000 0000000000000001 ** 74 printk messages dropped ** [ 42.225231] 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:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ** 94 printk messages dropped ** [ 42.288418] [ 2079] 0 2079 4380 10 5 2 0 1000 syz-executor335 [ 42.288427] [ 2080] 0 2080 4380 10 5 2 0 1000 syz-executor335 [ 42.288435] [ 2081] 0 2081 4380 10 5 2 0 1000 syz-executor335 [ 42.288443] [ 2082] 0 2082 4380 10 5 2 0 1000 syz-executor335 [ 42.288452] [ 2083] 0 2083 4380 10 5 2 0 1000 syz-executor335 [ 42.288460] [ 2084] 0 2084 2666 34 8 3 0 0 init [ 42.288468] [ 2085] 0 2085 2666 34 8 3 0 0 init [ 42.288476] [ 2086] 0 2086 2666 34 8 3 0 0 init [ 42.288484] [ 2087] 0 2087 2666 34 8 3 0 0 init [ 42.288492] [ 2088] 0 2088 2666 34 8 3 0 0 init [ 42.288500] [ 2089] 0 2089 2666 34 8 3 0 0 init [ 42.288504] Out of memory: Kill process 2079 (syz-executor335) score 999 or sacrifice child [ 42.288519] Killed process 2079 (syz-executor335) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB [ 42.291013] syz-executor335: vmalloc: allocation failure, allocated 832843776 of 4294795264 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 42.291020] CPU: 0 PID: 2079 Comm: syz-executor335 Tainted: G W 4.9.185+ #8 [ 42.291031] ffff8801ccc3fa08 ffffffff81b5a081 1ffff10039987f43 dffffc0000000000 [ 42.291040] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801ccc3fb30 [ 42.291048] ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 [ 42.291050] Call Trace: [ 42.291060] [<00000000dec5aed0>] dump_stack+0xc1/0x120 [ 42.291068] [<0000000085f29153>] warn_alloc.cold+0x76/0x93 [ 42.291077] [<0000000055d34310>] ? zone_watermark_ok_safe+0x260/0x260 ** 26 printk messages dropped ** [ 42.291296] lowmem_reserve[]: 0 0 0 ** 54 printk messages dropped ** [ 42.342083] [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 42.342086] Mem-Info: [ 42.342101] active_anon:3029 inactive_anon:40 isolated_anon:0 [ 42.342101] active_file:0 inactive_file:26 isolated_file:0 [ 42.342101] unevictable:0 dirty:0 writeback:0 unstable:0 [ 42.342101] slab_reclaimable:4271 slab_unreclaimable:56765 [ 42.342101] mapped:7 shmem:48 pagetables:326 bounce:0 [ 42.342101] free:1382 free_pcp:44 free_cma:0 [ 42.342113] Node 0 active_anon:12116kB inactive_anon:160kB active_file:0kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:84 all_unreclaimable? no [ 42.342133] DMA32 free:64kB 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 [ 42.342156] Normal free:5464kB min:5580kB low:9168kB high:12756kB active_anon:12116kB inactive_anon:160kB active_file:0kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17084kB slab_unreclaimable:227060kB kernel_stack:3456kB pagetables:1304kB bounce:0kB free_pcp:176kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 42.342187] 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 (MH) 9*8kB (MH) 8*16kB (H) 5*32kB (H) 3*64kB (UH) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 1*4096kB (U) = 5464kB 87 total pagecache pages [ 42.342227] 0 pages in swap cache [ 42.342230] Swap cache stats: add 0, delete 0, find 0/0 [ 42.342232] Free swap = 0kB [ 42.342234] Total swap = 0kB [ 42.342236] 1965979 pages RAM [ 42.342237] 0 pages HighMem/MovableOnly [ 42.342239] 313625 pages reserved [ 42.342241] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 42.342254] [ 470] 0 470 5384 180 16 3 0 -1000 udevd [ 42.342262] [ 586] 0 586 5379 180 15 3 0 -1000 udevd [ 42.342270] [ 588] 0 588 5383 180 15 3 0 -1000 udevd [ 42.342277] [ 1769] 0 1769 2492 574 7 3 0 0 dhclient [ 42.342285] [ 1910] 0 1910 14231 108 23 3 0 0 rsyslogd [ 42.342293] [ 1964] 0 1964 4724 50 15 3 0 0 cron [ 42.342301] [ 1983] 0 1983 3735 45 11 3 0 0 mcstransd ** 204 printk messages dropped ** [ 42.393316] [ 2081] 0 2081 4380 0 5 2 0 1000 syz-executor335 [ 42.393324] [ 2082] 0 2082 4380 10 5 2 0 1000 syz-executor335 ** 166 printk messages dropped ** [ 43.214298] [<00000000fcd18ae4>] ? oom_badness.part.0+0x11d/0x600 ** 23 printk messages dropped ** [ 43.214473] [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 ** 89 printk messages dropped ** [ 43.290148] [<000000006a21cbaa>] ? mutex_unlock+0x9/0x10 ** 1 printk messages dropped ** [ 43.290166] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 [ 43.290173] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 [ 43.290181] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 [ 43.290189] [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 [ 43.290196] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 [ 43.290203] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 43.290210] [<00000000ebf3d535>] ? __do_page_fault+0x545/0xa60 [ 43.290217] [<000000002f87bd9a>] ? bad_area_access_error+0x3d0/0x3d0 [ 43.290223] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 43.290229] [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 [ 43.290236] [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb ** 26 printk messages dropped ** [ 43.292700] [ 2011] 0 2011 12489 153 28 3 0 -1000 sshd [ 43.292715] [ 2041] 0 2041 3648 39 13 3 0 0 getty [ 43.292724] [ 2066] 0 2066 17820 199 40 3 0 0 sshd ** 32 printk messages dropped ** [ 43.293036] [<00000000885cc8de>] ? debug_lockdep_rcu_enabled+0x8/0xa0 ** 59 printk messages dropped ** [ 43.293822] syz-executor335 invoked oom-killer: gfp_mask=0x24082c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), nodemask=0, order=0, oom_score_adj=1000 ** 183 printk messages dropped ** [ 43.955214] [ 470] 0 470 5384 180 16 3 0 -1000 udevd [ 43.955222] [ 586] 0 586 5379 180 15 3 0 -1000 udevd [ 43.955230] [ 588] 0 588 5383 180 15 3 0 -1000 udevd [ 43.955239] [ 1769] 0 1769 2492 574 7 3 0 0 dhclient [ 43.955247] [ 1910] 0 1910 14231 108 23 3 0 0 rsyslogd [ 43.955255] [ 1964] 0 1964 4724 50 15 3 0 0 cron [ 43.955263] [ 1983] 0 1983 3735 45 11 3 0 0 mcstransd [ 43.955271] [ 1985] 0 1985 12926 1227 28 3 0 0 restorecond [ 43.955280] [ 2011] 0 2011 12489 153 28 3 0 -1000 sshd [ 43.955287] [ 2041] 0 2041 3648 39 13 3 0 0 getty [ 43.955295] [ 2066] 0 2066 17820 199 40 3 0 0 sshd [ 43.955303] [ 2068] 0 2068 4380 1 4 2 0 0 syz-executor335 [ 43.955310] [ 2069] 0 2069 4380 10 4 2 0 0 syz-executor335 [ 43.955318] [ 2070] 0 2070 4380 10 4 2 0 0 syz-executor335 [ 43.955325] [ 2072] 0 2072 4380 10 4 2 0 0 syz-executor335 [ 43.955332] [ 2073] 0 2073 4380 10 4 2 0 0 syz-executor335 [ 43.955341] [ 2074] 0 2074 4380 10 4 2 0 0 syz-executor335 [ 43.955348] [ 2075] 0 2075 4380 10 4 2 0 0 syz-executor335 ** 78 printk messages dropped ** [ 46.594439] [<0000000055d34310>] ? zone_watermark_ok_safe+0x260/0x260 [ 46.594448] [<00000000885cc8de>] ? debug_lockdep_rcu_enabled+0x8/0xa0 [ 46.594459] [<0000000050a16781>] __vmalloc_node_range+0x3ff/0x610 [ 46.594469] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 46.594475] [<00000000189527a0>] vmalloc+0x5c/0x70 [ 46.594482] [<00000000f9ed6d11>] ? xt_alloc_table_info+0xc8/0x100 [ 46.594489] [<00000000f9ed6d11>] xt_alloc_table_info+0xc8/0x100 ** 4 printk messages dropped ** [ 46.594527] [<00000000ff48f265>] nf_setsockopt+0x6d/0xc0 [ 46.594534] [<00000000261c6972>] ipv6_setsockopt+0x10b/0x140 [ 46.594541] [<0000000039c45565>] tcp_setsockopt+0x8a/0xe0 [ 46.594549] [<000000006a76f6d5>] sock_common_setsockopt+0x9a/0xe0 [ 46.594556] [<000000005bb258ec>] SyS_setsockopt+0x159/0x240 [ 46.594562] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 46.594570] [<00000000ebf3d535>] ? __do_page_fault+0x545/0xa60 [ 46.594577] [<000000002f87bd9a>] ? bad_area_access_error+0x3d0/0x3d0 [ 46.594583] [<000000001aa77f37>] ? SyS_recv+0x40/0x40 [ 46.594590] [<0000000073748911>] do_syscall_64+0x1ad/0x5c0 [ 46.594597] [<00000000608e11be>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 46.594633] Mem-Info: [ 46.594648] active_anon:3009 inactive_anon:40 isolated_anon:0 [ 46.594648] active_file:23 inactive_file:42 isolated_file:0 [ 46.594648] unevictable:0 dirty:0 writeback:0 unstable:0 [ 46.594648] slab_reclaimable:4275 slab_unreclaimable:56702 [ 46.594648] mapped:47 shmem:48 pagetables:326 bounce:0 [ 46.594648] free:394 free_pcp:0 free_cma:0 ** 25 printk messages dropped ** [ 46.743159] [<00000000c101ed60>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 46.743167] [<0000000064acead1>] ? ___ratelimit+0x55/0x413 [ 46.743174] [<00000000e2c2edc7>] oom_kill_process.cold+0xd/0xa74 [ 46.743183] [<000000008567c770>] ? has_capability_noaudit+0x25/0x30 ** 3 printk messages dropped ** [ 46.743216] [<00000000af0a1235>] out_of_memory+0x29b/0xea0 [ 46.743223] [<00000000ecf74085>] ? out_of_memory+0x41c/0xea0 [ 46.743230] [<000000004a9350fe>] ? oom_killer_disable+0x210/0x210 [ 46.743238] [<000000001ebd15f6>] ? trace_hardirqs_on+0xd/0x10 [ 46.743244] [<00000000069328e8>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 46.743251] [<0000000081193d97>] __alloc_pages_nodemask+0x1730/0x1a80 [ 46.743259] [<00000000436c0683>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 46.743266] [<00000000dd1442be>] ? page_cache_prev_hole+0x80/0x80 [ 46.743273] [<00000000ddc26c1b>] ? find_get_entry+0x2a9/0x510 [ 46.743279] [<0000000085fc84d8>] ? find_get_entry+0x2d0/0x510 Connection to 10.128.0.116 closed by remote host. [