[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 9.339450] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 60.806001] random: crng init done Warning: Permanently added '10.128.0.211' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 85.628927] lowmemorykiller: Killing 'syz-executor583' (2079) (tgid 2079), adj 1000, [ 85.628927] to free 40kB on behalf of 'kswapd0' (33) because [ 85.628927] cache 36412kB is below limit 65536kB for oom_score_adj 12 [ 85.628927] Free memory is -13248kB above reserved [ 85.635000] lowmemorykiller: Killing 'syz-executor583' (2079) (tgid 2079), adj 1000, [ 85.635000] to free 40kB on behalf of 'syz-executor583' (2084) because [ 85.635000] cache 33712kB is below limit 65536kB for oom_score_adj 12 [ 85.635000] Free memory is -13188kB above reserved [ 85.635006] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 85.635009] in_atomic(): 0, irqs_disabled(): 0, pid: 2084, name: syz-executor583 [ 85.635012] 2 locks held by syz-executor583/2084: [ 85.635031] #0: (shrinker_rwsem){++++..}, at: [<00000000474d949d>] shrink_slab.part.0+0xb2/0xa20 [ 85.635042] #1: (rcu_read_lock){......}, at: [<00000000c2d22e3a>] lowmem_scan+0x242/0xb50 [ 85.635050] Preemption disabled at: [ 85.635050] [<00000000b9f09ae8>] get_task_mm+0x20/0xc0 [ 85.635057] CPU: 0 PID: 2084 Comm: syz-executor583 Not tainted 4.9.182+ #2 [ 85.635066] ffff8801cdf2f408 ffffffff81b57e21 0000000000000000 0000000000000001 [ 85.635072] ffff8801d2465f00 ffffffff810d0c40 ffff8801d2465f00 ffff8801cdf2f440 [ 85.635077] ffffffff8140036c ffff8801d2465f00 ffffffff82a39900 0000000000000387 [ 85.635078] Call Trace: [ 85.635086] [<000000002a93bdd5>] dump_stack+0xc1/0x120 [ 85.635090] [<00000000b9f09ae8>] ? get_task_mm+0x20/0xc0 [ 85.635096] [<00000000b2e7db72>] ___might_sleep.cold+0x1c1/0x1fa [ 85.635103] [<00000000a605ace4>] __might_sleep+0x95/0x1a0 [ 85.635107] [<000000006d41f13c>] mmput+0x28/0x370 [ 85.635111] [<000000004c129035>] handle_lmk_event+0xea/0x8a0 [ 85.635115] [<000000004d20442d>] lowmem_scan+0x695/0xb50 [ 85.635120] [<000000000d93b4a5>] shrink_slab.part.0+0x3cf/0xa20 [ 85.635125] [<000000007103a9a5>] ? unregister_shrinker+0x230/0x230 [ 85.635129] [<000000005eeabf5b>] shrink_node+0x1ed/0x750 [ 85.635134] [<00000000a830b3ca>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 85.635140] [<00000000fecd8c8c>] ? __delayacct_freepages_start+0x41/0x80 [ 85.635145] [<000000002d997735>] try_to_free_pages+0x397/0xbd0 [ 85.635149] [<000000003b236963>] ? shrink_node+0x750/0x750 [ 85.635153] [<00000000b0f6b40c>] __alloc_pages_nodemask+0x930/0x1a80 [ 85.635160] [<000000009762f4ae>] ? __schedule+0x6d6/0x1f10 [ 85.635166] [<00000000ce8077f1>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 85.635170] [<00000000046c980a>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 85.635176] [<000000001e4bf3cd>] __vmalloc_node_range+0x25b/0x610 [ 85.635183] [<00000000951bf0e1>] ? xt_alloc_table_info+0xc8/0x100 [ 85.635187] [<0000000051887df4>] vmalloc+0x5c/0x70 [ 85.635191] [<00000000951bf0e1>] ? xt_alloc_table_info+0xc8/0x100 [ 85.635195] [<00000000951bf0e1>] xt_alloc_table_info+0xc8/0x100 [ 85.635202] [<000000006c45b5e3>] do_ip6t_set_ctl+0x231/0x480 [ 85.635206] [<0000000004c1782c>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 85.635211] [<00000000fe00ed8e>] ? mutex_unlock+0x9/0x10 [ 85.635216] [<000000009513d62e>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 85.635220] [<0000000071ecee2d>] nf_setsockopt+0x6d/0xc0 [ 85.635225] [<000000002ebec18c>] ipv6_setsockopt+0x10b/0x140 [ 85.635229] [<0000000092c380bd>] tcp_setsockopt+0x8a/0xe0 [ 85.635235] [<00000000d8817b9e>] sock_common_setsockopt+0x9a/0xe0 [ 85.635239] [<00000000f53bff75>] SyS_setsockopt+0x159/0x240 [ 85.635243] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 85.635247] [<000000004e3079b4>] ? __do_page_fault+0x545/0xa60 [ 85.635251] [<00000000b2fa5bad>] ? do_syscall_64+0x4a/0x5c0 [ 85.635255] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 85.635258] [<00000000e0498fdc>] do_syscall_64+0x1ad/0x5c0 [ 85.635263] [<000000004a09bf12>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 85.635333] [ 85.635334] ================================= [ 85.635335] [ INFO: inconsistent lock state ] [ 85.635338] 4.9.182+ #2 Tainted: G W [ 85.635339] --------------------------------- [ 85.635341] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 85.635345] syz-executor583/2084 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 85.635352] (&mm->mmap_sem){+++++?}, at: [<00000000c8fb77c8>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 85.635366] mark_held_locks+0xb1/0x100 [ 85.635369] lockdep_trace_alloc+0x18c/0x2b0 executing program executing program [ 85.635372] __alloc_pages_nodemask+0x143/0x1a80 [ 85.635377] __pmd_alloc+0x4a/0x330 [ 85.635382] move_page_tables+0xadb/0xd60 [ 85.635386] shift_arg_pages+0x1ae/0x470 [ 85.635389] setup_arg_pages+0x60d/0x7c0 [ 85.635395] load_elf_binary+0xa84/0x4a90 [ 85.635398] search_binary_handler+0x14f/0x700 [ 85.635401] do_execveat_common.isra.0+0xf81/0x1db0 [ 85.635404] do_execve+0x3a/0x50 [ 85.635409] run_init_process+0x33/0x37 [ 85.635413] try_to_run_init_process+0x18/0x48 [ 85.635416] kernel_init+0xf2/0x163 [ 85.635419] ret_from_fork+0x5c/0x70 [ 85.635421] irq event stamp: 564579 [ 85.635425] hardirqs last enabled at (564579): [<00000000daf65afe>] dump_stack+0x100/0x120 [ 85.635429] hardirqs last disabled at (564578): [<00000000112bb370>] dump_stack+0x2c/0x120 [ 85.635435] softirqs last enabled at (562382): [<00000000deaced38>] wb_queue_work+0x1ed/0x450 [ 85.635438] softirqs last disabled at (562378): [<00000000960d68fc>] wb_queue_work+0x90/0x450 [ 85.635440] [ 85.635440] other info that might help us debug this: [ 85.635441] Possible unsafe locking scenario: [ 85.635441] [ 85.635441] CPU0 [ 85.635442] ---- [ 85.635444] lock(&mm->mmap_sem); [ 85.635445] [ 85.635447] lock(&mm->mmap_sem); [ 85.635448] [ 85.635448] *** DEADLOCK *** [ 85.635448] [ 85.635450] 3 locks held by syz-executor583/2084: [ 85.635457] #0: (shrinker_rwsem){++++..}, at: [<00000000474d949d>] shrink_slab.part.0+0xb2/0xa20 [ 85.635464] #1: (rcu_read_lock){......}, at: [<00000000c2d22e3a>] lowmem_scan+0x242/0xb50 [ 85.635470] #2: (lmk_event_lock){+.+.-.}, at: [<00000000bd950a17>] handle_lmk_event+0xfb/0x8a0 [ 85.635471] [ 85.635471] stack backtrace: [ 85.635475] CPU: 0 PID: 2084 Comm: syz-executor583 Tainted: G W 4.9.182+ #2 [ 85.635481] ffff8801cdf2f150 ffffffff81b57e21 00000000000000f0 ffff8801d2465f00 [ 85.635486] ffffffff83cad760 ffff8801d2466848 ffffffff8424eec0 ffff8801cdf2f1c8 [ 85.635491] ffffffff81406da9 0000000000000000 ffffffff00000001 0000000000000001 [ 85.635492] Call Trace: [ 85.635496] [<000000002a93bdd5>] dump_stack+0xc1/0x120 [ 85.635501] [<0000000007e24e04>] print_usage_bug.cold+0x452/0x5a2 [ 85.635505] [<00000000023ae6db>] mark_lock+0x6c7/0x12e0 [ 85.635509] [<00000000bc0bdcc0>] ? print_irq_inversion_bug+0xa0/0xa0 [ 85.635512] [<00000000d127f547>] __lock_acquire+0x5c3/0x4350 [ 85.635516] [<00000000f7e7de78>] ? trace_hardirqs_on+0x10/0x10 [ 85.635520] [<00000000f7e7de78>] ? trace_hardirqs_on+0x10/0x10 [ 85.635526] [<00000000fc50ae89>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 85.635529] [<00000000c8e43623>] lock_acquire+0x133/0x3d0 [ 85.635533] [<00000000c8fb77c8>] ? get_cmdline+0xa3/0x2d0 [ 85.635537] [<00000000ef9ec014>] down_read+0x44/0xb0 [ 85.635541] [<00000000c8fb77c8>] ? get_cmdline+0xa3/0x2d0 [ 85.635544] [<00000000c8fb77c8>] get_cmdline+0xa3/0x2d0 [ 85.635548] [<00000000815e7c82>] handle_lmk_event+0x13c/0x8a0 [ 85.635552] [<000000004d20442d>] lowmem_scan+0x695/0xb50 [ 85.635557] [<000000000d93b4a5>] shrink_slab.part.0+0x3cf/0xa20 [ 85.635561] [<000000007103a9a5>] ? unregister_shrinker+0x230/0x230 [ 85.635565] [<000000005eeabf5b>] shrink_node+0x1ed/0x750 [ 85.635570] [<00000000a830b3ca>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 85.635574] [<00000000fecd8c8c>] ? __delayacct_freepages_start+0x41/0x80 [ 85.635579] [<000000002d997735>] try_to_free_pages+0x397/0xbd0 [ 85.635588] [<000000003b236963>] ? shrink_node+0x750/0x750 [ 85.635592] [<00000000b0f6b40c>] __alloc_pages_nodemask+0x930/0x1a80 [ 85.635596] [<000000009762f4ae>] ? __schedule+0x6d6/0x1f10 [ 85.635600] [<00000000ce8077f1>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 85.635604] [<00000000046c980a>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 85.635608] [<000000001e4bf3cd>] __vmalloc_node_range+0x25b/0x610 [ 85.635613] [<00000000951bf0e1>] ? xt_alloc_table_info+0xc8/0x100 [ 85.635616] [<0000000051887df4>] vmalloc+0x5c/0x70 [ 85.635621] [<00000000951bf0e1>] ? xt_alloc_table_info+0xc8/0x100 [ 85.635625] [<00000000951bf0e1>] xt_alloc_table_info+0xc8/0x100 [ 85.635629] [<000000006c45b5e3>] do_ip6t_set_ctl+0x231/0x480 [ 85.635634] [<0000000004c1782c>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 85.635638] [<00000000fe00ed8e>] ? mutex_unlock+0x9/0x10 [ 85.635643] [<000000009513d62e>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 85.635647] [<0000000071ecee2d>] nf_setsockopt+0x6d/0xc0 [ 85.635651] [<000000002ebec18c>] ipv6_setsockopt+0x10b/0x140 [ 85.635655] [<0000000092c380bd>] tcp_setsockopt+0x8a/0xe0 [ 85.635659] [<00000000d8817b9e>] sock_common_setsockopt+0x9a/0xe0 [ 85.635663] [<00000000f53bff75>] SyS_setsockopt+0x159/0x240 [ 85.635667] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 85.635671] [<000000004e3079b4>] ? __do_page_fault+0x545/0xa60 [ 85.635674] [<00000000b2fa5bad>] ? do_syscall_64+0x4a/0x5c0 [ 85.635678] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 85.635681] [<00000000e0498fdc>] do_syscall_64+0x1ad/0x5c0 [ 85.635686] [<000000004a09bf12>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb executing program [ 85.708307] oom_reaper: reaped process 2079 (syz-executor583), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 85.713527] syz-executor583: vmalloc: allocation failure, allocated 1200328704 of 3069386752 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) executing program executing program [ 85.713532] CPU: 1 PID: 2079 Comm: syz-executor583 Tainted: G W 4.9.182+ #2 [ 85.713540] ffff8801cdd1fa08 ffffffff81b57e21 1ffff10039ba3f43 dffffc0000000000 [ 85.713545] ffffffff82aaa940 0000000000000000 0000000000400000 ffff8801cdd1fb30 [ 85.713550] ffffffff815067f3 0000000041b58ab3 ffffffff82e3a0f8 ffffffff814303c0 [ 85.713550] Call Trace: [ 85.713559] [<000000002a93bdd5>] dump_stack+0xc1/0x120 [ 85.713565] [<00000000724ce617>] warn_alloc.cold+0x76/0x93 [ 85.713571] [<00000000c28f4c67>] ? zone_watermark_ok_safe+0x260/0x260 [ 85.713576] [<00000000d0e3bd19>] __vmalloc_node_range+0x3ff/0x610 [ 85.713590] [<00000000951bf0e1>] ? xt_alloc_table_info+0xc8/0x100 [ 85.713593] [<0000000051887df4>] vmalloc+0x5c/0x70 [ 85.713597] [<00000000951bf0e1>] ? xt_alloc_table_info+0xc8/0x100 [ 85.713601] [<00000000951bf0e1>] xt_alloc_table_info+0xc8/0x100 [ 85.713607] [<000000006c45b5e3>] do_ip6t_set_ctl+0x231/0x480 [ 85.713611] [<0000000004c1782c>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 85.713617] [<00000000fe00ed8e>] ? mutex_unlock+0x9/0x10 [ 85.713622] [<000000009513d62e>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 85.713626] [<0000000071ecee2d>] nf_setsockopt+0x6d/0xc0 [ 85.713630] [<000000002ebec18c>] ipv6_setsockopt+0x10b/0x140 [ 85.713635] [<0000000092c380bd>] tcp_setsockopt+0x8a/0xe0 [ 85.713640] [<00000000d8817b9e>] sock_common_setsockopt+0x9a/0xe0 [ 85.713644] [<00000000f53bff75>] SyS_setsockopt+0x159/0x240 [ 85.713648] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 85.713663] [<000000004e3079b4>] ? __do_page_fault+0x545/0xa60 [ 85.713667] [<00000000b2fa5bad>] ? do_syscall_64+0x4a/0x5c0 [ 85.713670] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 85.713673] [<00000000e0498fdc>] do_syscall_64+0x1ad/0x5c0 [ 85.713678] [<000000004a09bf12>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 85.713679] Mem-Info: [ 85.713689] active_anon:3222 inactive_anon:41 isolated_anon:0 [ 85.713689] active_file:15 inactive_file:32 isolated_file:0 [ 85.713689] unevictable:0 dirty:0 writeback:0 unstable:0 [ 85.713689] slab_reclaimable:4251 slab_unreclaimable:56856 [ 85.713689] mapped:17 shmem:48 pagetables:360 bounce:0 [ 85.713689] free:366 free_pcp:9 free_cma:0 [ 85.713697] Node 0 active_anon:12888kB inactive_anon:164kB active_file:60kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 85.713706] DMA32 free:12kB 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 [ 85.713720] Normal free:1452kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:164kB active_file:60kB inactive_file:128kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17004kB slab_unreclaimable:227424kB kernel_stack:3424kB pagetables:1440kB bounce:0kB free_pcp:36kB local_pcp:36kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 85.713737] 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: 11*4kB (H) 8*8kB (H) 6*16kB (H) 3*32kB (H) 0*64kB 3*128kB (H) 3*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1452kB 100 total pagecache pages [ 85.713758] 0 pages in swap cache [ 85.713760] Swap cache stats: add 0, delete 0, find 0/0 [ 85.713761] Free swap = 0kB [ 85.713762] Total swap = 0kB [ 85.713763] 1965979 pages RAM [ 85.713764] 0 pages HighMem/MovableOnly executing program [ 85.713765] 313625 pages reserved [ 85.784181] syz-executor583 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 85.784185] CPU: 1 PID: 2088 Comm: syz-executor583 Tainted: G W 4.9.182+ #2 [ 85.784193] ffff8801c3257730 ffffffff81b57e21 ffff8801c3257a88 ffffffff833f0b30 [ 85.784198] 00000000000003e8 ffff8801c3257aa0 0000000000000000 ffff8801c32577b0 [ 85.784203] ffffffff8150553b 0000000000000000 00000000000003e8 ffffffff82819e55 [ 85.784204] Call Trace: [ 85.784210] [<000000002a93bdd5>] dump_stack+0xc1/0x120 [ 85.784233] [<000000006370cf94>] dump_header.isra.0+0x142/0x74c [ 85.784238] [<00000000781d20a0>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 85.784242] [<000000003d3a9962>] ? ___ratelimit+0x55/0x413 [ 85.784246] [<00000000096bca48>] oom_kill_process.cold+0xd/0xa74 [ 85.784252] [<0000000017c60378>] ? has_capability_noaudit+0x25/0x30 [ 85.784269] [<00000000c7125d29>] ? oom_badness.part.0+0x11d/0x600 [ 85.784272] [<00000000f217d78a>] ? oom_badness.part.0+0x12f/0x600 [ 85.784288] [<0000000075cc4ca5>] ? out_of_memory+0x6bc/0xeb0 [ 85.784292] [<00000000d8c6486d>] out_of_memory+0x29b/0xeb0 [ 85.784296] [<00000000105f692b>] ? out_of_memory+0x405/0xeb0 [ 85.784301] [<000000007b18a5ca>] ? oom_killer_disable+0x210/0x210 [ 85.784305] [<0000000020fa5607>] ? trace_hardirqs_on+0xd/0x10 [ 85.784309] [<000000004bb642c5>] ? __alloc_pages_nodemask+0x10d0/0x1a80 executing program [ 85.784313] [<00000000bbd70535>] __alloc_pages_nodemask+0x1730/0x1a80 [ 85.784317] [<000000009762f4ae>] ? __schedule+0x6d6/0x1f10 [ 85.784321] [<00000000046c980a>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 85.784339] [<0000000072af239c>] ? check_preemption_disabled+0x3c/0x200 [ 85.784344] [<000000001e4bf3cd>] __vmalloc_node_range+0x25b/0x610 [ 85.784361] [<00000000951bf0e1>] ? xt_alloc_table_info+0xc8/0x100 [ 85.784365] [<0000000051887df4>] vmalloc+0x5c/0x70 [ 85.784369] [<00000000951bf0e1>] ? xt_alloc_table_info+0xc8/0x100 [ 85.784373] [<00000000951bf0e1>] xt_alloc_table_info+0xc8/0x100 [ 85.784378] [<000000006c45b5e3>] do_ip6t_set_ctl+0x231/0x480 executing program [ 85.784383] [<0000000004c1782c>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 85.784387] [<00000000fe00ed8e>] ? mutex_unlock+0x9/0x10 [ 85.784393] [<000000009513d62e>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 85.784397] [<0000000071ecee2d>] nf_setsockopt+0x6d/0xc0 [ 85.784401] [<000000002ebec18c>] ipv6_setsockopt+0x10b/0x140 [ 85.784405] [<0000000092c380bd>] tcp_setsockopt+0x8a/0xe0 [ 85.784410] [<00000000d8817b9e>] sock_common_setsockopt+0x9a/0xe0 [ 85.784414] [<00000000f53bff75>] SyS_setsockopt+0x159/0x240 [ 85.784418] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 85.784422] [<000000004e3079b4>] ? __do_page_fault+0x545/0xa60 [ 85.784438] [<00000000b2fa5bad>] ? do_syscall_64+0x4a/0x5c0 [ 85.784442] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 85.784445] [<00000000e0498fdc>] do_syscall_64+0x1ad/0x5c0 [ 85.784449] [<000000004a09bf12>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 85.784451] Mem-Info: [ 85.784460] active_anon:3222 inactive_anon:41 isolated_anon:0 [ 85.784460] active_file:15 inactive_file:32 isolated_file:0 [ 85.784460] unevictable:0 dirty:0 writeback:0 unstable:0 [ 85.784460] slab_reclaimable:4251 slab_unreclaimable:56856 [ 85.784460] mapped:17 shmem:48 pagetables:360 bounce:0 [ 85.784460] free:366 free_pcp:0 free_cma:0 executing program [ 85.784467] Node 0 active_anon:12888kB inactive_anon:164kB active_file:60kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 85.784477] DMA32 free:12kB 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 [ 85.784505] Normal free:1452kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:164kB active_file:60kB inactive_file:128kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17004kB slab_unreclaimable:227424kB kernel_stack:3424kB pagetables:1440kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 85.784523] 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: 15*4kB (MH) 9*8kB (MH) 7*16kB (MH) 3*32kB (H) 0*64kB 3*128kB (H) 3*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1492kB 100 total pagecache pages [ 85.784544] 0 pages in swap cache executing program [ 85.784546] Swap cache stats: add 0, delete 0, find 0/0 [ 85.784547] Free swap = 0kB [ 85.784548] Total swap = 0kB executing program [ 85.784549] 1965979 pages RAM [ 85.784550] 0 pages HighMem/MovableOnly [ 85.784551] 313625 pages reserved [ 85.784552] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 85.784560] [ 470] 0 470 5384 185 17 3 0 -1000 udevd [ 85.784565] [ 582] 0 582 5364 166 16 3 0 -1000 udevd [ 85.784570] [ 584] 0 584 5383 185 16 3 0 -1000 udevd [ 85.784574] [ 1757] 0 1757 2492 573 9 3 0 0 dhclient executing program [ 85.784591] [ 1888] 0 1888 14231 108 23 3 0 0 rsyslogd [ 85.784596] [ 1943] 0 1943 3734 44 12 3 0 0 mcstransd [ 85.784600] [ 1945] 0 1945 4724 51 15 3 0 0 cron [ 85.784605] [ 1963] 0 1963 12926 1227 27 3 0 0 restorecond [ 85.784610] [ 1989] 0 1989 12489 156 29 3 0 -1000 sshd [ 85.784615] [ 2019] 0 2019 3648 45 13 3 0 0 getty [ 85.784619] [ 2068] 0 2068 3648 48 11 3 0 0 getty [ 85.784624] [ 2069] 0 2069 3648 48 13 3 0 0 getty [ 85.784628] [ 2070] 0 2070 3648 48 13 3 0 0 getty [ 85.784633] [ 2071] 0 2071 3648 48 13 3 0 0 getty [ 85.784638] [ 2072] 0 2072 3648 49 13 3 0 0 getty [ 85.784642] [ 2073] 0 2073 3648 48 12 4 0 0 getty [ 85.784647] [ 2074] 0 2074 17820 197 39 3 0 0 sshd [ 85.784652] [ 2076] 0 2076 4380 1 4 2 0 0 syz-executor583 [ 85.784656] [ 2077] 0 2077 4380 10 4 2 0 0 syz-executor583 [ 85.784674] [ 2078] 0 2078 4380 10 4 2 0 0 syz-executor583 [ 85.784679] [ 2079] 0 2079 4380 0 5 2 0 1000 syz-executor583 [ 85.784697] [ 2080] 0 2080 4380 10 4 2 0 0 syz-executor583 [ 85.784701] [ 2081] 0 2081 4380 10 4 2 0 0 syz-executor583 [ 85.784705] [ 2082] 0 2082 4380 10 4 2 0 0 syz-executor583 [ 85.784710] [ 2083] 0 2083 4380 10 4 2 0 0 syz-executor583 [ 85.784714] [ 2084] 0 2084 4380 10 5 2 0 1000 syz-executor583 [ 85.784721] [ 2085] 0 2085 4380 10 5 2 0 1000 syz-executor583 [ 85.784725] [ 2086] 0 2086 4380 10 5 2 0 1000 syz-executor583 [ 85.784729] [ 2087] 0 2087 4380 10 5 2 0 1000 syz-executor583 executing program executing program [ 85.784734] [ 2088] 0 2088 4380 10 5 2 0 1000 syz-executor583 [ 85.784737] Out of memory: Kill process 2084 (syz-executor583) score 999 or sacrifice child [ 85.784744] Killed process 2084 (syz-executor583) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB [ 85.803946] oom_reaper: reaped process 2084 (syz-executor583), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 85.805455] syz-executor583: vmalloc: allocation failure, allocated 1149284352 of 3069386752 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 85.805459] CPU: 0 PID: 2084 Comm: syz-executor583 Tainted: G W 4.9.182+ #2 [ 85.805479] ffff8801cdf2fa08 ffffffff81b57e21 1ffff10039be5f43 dffffc0000000000 [ 85.805484] ffffffff82aaa940 0000000000000000 0000000000400000 ffff8801cdf2fb30 [ 85.805489] ffffffff815067f3 0000000041b58ab3 ffffffff82e3a0f8 ffffffff814303c0 [ 85.805490] Call Trace: [ 85.805509] [<000000002a93bdd5>] dump_stack+0xc1/0x120 [ 85.805514] [<00000000724ce617>] warn_alloc.cold+0x76/0x93 [ 85.805519] [<00000000c28f4c67>] ? zone_watermark_ok_safe+0x260/0x260 [ 85.805524] [<00000000d0e3bd19>] __vmalloc_node_range+0x3ff/0x610 [ 85.805529] [<00000000951bf0e1>] ? xt_alloc_table_info+0xc8/0x100 [ 85.805532] [<0000000051887df4>] vmalloc+0x5c/0x70 [ 85.805536] [<00000000951bf0e1>] ? xt_alloc_table_info+0xc8/0x100 [ 85.805540] [<00000000951bf0e1>] xt_alloc_table_info+0xc8/0x100 [ 85.805545] [<000000006c45b5e3>] do_ip6t_set_ctl+0x231/0x480 [ 85.805550] [<0000000004c1782c>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 85.805555] [<00000000fe00ed8e>] ? mutex_unlock+0x9/0x10 [ 85.805559] [<000000009513d62e>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 85.805563] [<0000000071ecee2d>] nf_setsockopt+0x6d/0xc0 [ 85.805567] [<000000002ebec18c>] ipv6_setsockopt+0x10b/0x140 [ 85.805571] [<0000000092c380bd>] tcp_setsockopt+0x8a/0xe0 [ 85.805576] [<00000000d8817b9e>] sock_common_setsockopt+0x9a/0xe0 executing program [ 85.805580] [<00000000f53bff75>] SyS_setsockopt+0x159/0x240 [ 85.805583] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 85.805587] [<000000004e3079b4>] ? __do_page_fault+0x545/0xa60 [ 85.805591] [<00000000b2fa5bad>] ? do_syscall_64+0x4a/0x5c0 [ 85.805595] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 85.805598] [<00000000e0498fdc>] do_syscall_64+0x1ad/0x5c0 [ 85.805602] [<000000004a09bf12>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 85.805604] Mem-Info: [ 85.805613] active_anon:3222 inactive_anon:41 isolated_anon:0 [ 85.805613] active_file:15 inactive_file:32 isolated_file:0 [ 85.805613] unevictable:0 dirty:0 writeback:0 unstable:0 [ 85.805613] slab_reclaimable:4251 slab_unreclaimable:56856 [ 85.805613] mapped:17 shmem:48 pagetables:360 bounce:0 [ 85.805613] free:366 free_pcp:9 free_cma:0 [ 85.805621] Node 0 active_anon:12888kB inactive_anon:164kB active_file:60kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no executing program [ 85.805644] DMA32 free:12kB 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 ** 92 printk messages dropped ** [ 86.685743] [<00000000951bf0e1>] ? xt_alloc_table_info+0xc8/0x100 [ 86.685747] [<00000000951bf0e1>] xt_alloc_table_info+0xc8/0x100 [ 86.685752] [<000000006c45b5e3>] do_ip6t_set_ctl+0x231/0x480 [ 86.685756] [<0000000004c1782c>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 86.685760] [<00000000fe00ed8e>] ? mutex_unlock+0x9/0x10 [ 86.685765] [<000000009513d62e>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 86.685769] [<0000000071ecee2d>] nf_setsockopt+0x6d/0xc0 [ 86.685772] [<000000002ebec18c>] ipv6_setsockopt+0x10b/0x140 [ 86.685777] [<0000000092c380bd>] tcp_setsockopt+0x8a/0xe0 [ 86.685782] [<00000000d8817b9e>] sock_common_setsockopt+0x9a/0xe0 [ 86.685785] [<00000000f53bff75>] SyS_setsockopt+0x159/0x240 [ 86.685789] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 86.685793] [<000000004e3079b4>] ? __do_page_fault+0x545/0xa60 [ 86.685796] [<00000000bc858c5f>] ? bad_area_access_error+0x3d0/0x3d0 [ 86.685799] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 86.685803] [<00000000e0498fdc>] do_syscall_64+0x1ad/0x5c0 [ 86.685807] [<000000004a09bf12>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 86.685808] Mem-Info: [ 86.685817] active_anon:3233 inactive_anon:41 isolated_anon:0 [ 86.685817] active_file:24 inactive_file:32 isolated_file:0 [ 86.685817] unevictable:0 dirty:0 writeback:0 unstable:0 [ 86.685817] slab_reclaimable:4251 slab_unreclaimable:56727 [ 86.685817] mapped:30 shmem:48 pagetables:360 bounce:0 [ 86.685817] free:6056 free_pcp:30 free_cma:0 [ 86.685823] Node 0 active_anon:12932kB inactive_anon:164kB active_file:96kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 86.685832] 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 [ 86.685844] Normal free:5512kB min:5580kB low:9168kB high:12756kB active_anon:12932kB inactive_anon:164kB active_file:96kB inactive_file:128kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17004kB slab_unreclaimable:226908kB kernel_stack:3424kB pagetables:1440kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 86.685866] DMA32: 2*4kB (UM) 1*8kB (M) 1*16kB (U) 1*32kB (U) 2*64kB (UM) 3*128kB (UM) 3*256kB (UM) 0*512kB 1*1024kB (M) 0*2048kB 4*4096kB (U) = 18752kB Normal: 482*4kB (MH) 113*8kB (UMH) 57*16kB (UMH) 18*32kB (UMH) 1*64kB (H) 3*128kB (H) 3*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5536kB 117 total pagecache pages [ 86.685886] 0 pages in swap cache [ 86.685888] Swap cache stats: add 0, delete 0, find 0/0 [ 86.685889] Free swap = 0kB [ 86.685890] Total swap = 0kB [ 86.685891] 1965979 pages RAM [ 86.685892] 0 pages HighMem/MovableOnly executing program [ 86.685893] 313625 pages reserved [ 86.685894] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 86.685901] [ 470] 0 470 5384 185 17 3 0 -1000 udevd [ 86.685905] [ 582] 0 582 5364 166 16 3 0 -1000 udevd [ 86.685910] [ 584] 0 584 5383 185 16 3 0 -1000 udevd [ 86.685916] [ 1757] 0 1757 2492 573 9 3 0 0 dhclient [ 86.685920] [ 1888] 0 1888 14231 108 23 3 0 0 rsyslogd [ 86.685924] [ 1943] 0 1943 3734 44 12 3 0 0 mcstransd [ 86.685928] [ 1945] 0 1945 4724 51 15 3 0 0 cron [ 86.685932] [ 1963] 0 1963 12926 1227 27 3 0 0 restorecond [ 86.685936] [ 1989] 0 1989 12489 153 29 3 0 -1000 sshd [ 86.685940] [ 2019] 0 2019 3648 39 13 3 0 0 getty [ 86.685944] [ 2068] 0 2068 3648 42 11 3 0 0 getty [ 86.685948] [ 2069] 0 2069 3648 42 13 3 0 0 getty [ 86.685952] [ 2070] 0 2070 3648 42 13 3 0 0 getty executing program [ 86.685956] [ 2071] 0 2071 3648 42 13 3 0 0 getty [ 86.685960] [ 2072] 0 2072 3648 43 13 3 0 0 getty [ 86.685964] [ 2073] 0 2073 3648 42 12 4 0 0 getty [ 86.685968] [ 2074] 0 2074 17820 197 39 3 0 0 sshd [ 86.685972] [ 2076] 0 2076 4380 1 4 2 0 0 syz-executor583 [ 86.685977] [ 2077] 0 2077 4380 10 4 2 0 0 syz-executor583 [ 86.685981] [ 2078] 0 2078 4380 10 4 2 0 0 syz-executor583 [ 86.685985] [ 2080] 0 2080 4380 10 4 2 0 0 syz-executor583 [ 86.685989] [ 2081] 0 2081 4380 10 4 2 0 0 syz-executor583 [ 86.685993] [ 2082] 0 2082 4380 10 4 2 0 0 syz-executor583 [ 86.685997] [ 2083] 0 2083 4380 10 4 2 0 0 syz-executor583 [ 86.686001] [ 2085] 0 2085 4380 0 5 2 0 1000 syz-executor583 ** 24 printk messages dropped ** [ 86.691395] [<000000009513d62e>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 86.691398] [<0000000071ecee2d>] nf_setsockopt+0x6d/0xc0 [ 86.691401] [<000000002ebec18c>] ipv6_setsockopt+0x10b/0x140 [ 86.691405] [<0000000092c380bd>] tcp_setsockopt+0x8a/0xe0 [ 86.691409] [<00000000d8817b9e>] sock_common_setsockopt+0x9a/0xe0 [ 86.691419] [<00000000f53bff75>] SyS_setsockopt+0x159/0x240 [ 86.691422] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 86.691426] [<000000004e3079b4>] ? __do_page_fault+0x545/0xa60 [ 86.691429] [<00000000b2fa5bad>] ? do_syscall_64+0x4a/0x5c0 [ 86.691432] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 86.691435] [<00000000e0498fdc>] do_syscall_64+0x1ad/0x5c0 [ 86.691438] [<000000004a09bf12>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb ** 82 printk messages dropped ** [ 86.766204] [ 1757] 0 1757 2492 573 9 3 0 0 dhclient ** 137 printk messages dropped ** [ 87.429992] [<00000000951bf0e1>] xt_alloc_table_info+0xc8/0x100 [ 87.430000] [<000000006c45b5e3>] do_ip6t_set_ctl+0x231/0x480 [ 87.430007] [<0000000004c1782c>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 87.430015] [<00000000fe00ed8e>] ? mutex_unlock+0x9/0x10 [ 87.430022] [<000000009513d62e>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 87.430029] [<0000000071ecee2d>] nf_setsockopt+0x6d/0xc0 [ 87.430035] [<000000002ebec18c>] ipv6_setsockopt+0x10b/0x140 [ 87.430041] [<0000000092c380bd>] tcp_setsockopt+0x8a/0xe0 [ 87.430049] [<00000000d8817b9e>] sock_common_setsockopt+0x9a/0xe0 [ 87.430055] [<00000000f53bff75>] SyS_setsockopt+0x159/0x240 [ 87.430061] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 87.430068] [<000000004e3079b4>] ? __do_page_fault+0x545/0xa60 [ 87.430074] [<00000000b2fa5bad>] ? do_syscall_64+0x4a/0x5c0 [ 87.430079] [<00000000433e6367>] ? SyS_recv+0x40/0x40 [ 87.430085] [<00000000e0498fdc>] do_syscall_64+0x1ad/0x5c0 [ 87.430091] [<000000004a09bf12>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 87.430094] Mem-Info: [ 87.430108] active_anon:3219 inactive_anon:41 isolated_anon:0 [ 87.430108] active_file:46 inactive_file:50 isolated_file:0 [ 87.430108] unevictable:0 dirty:0 writeback:0 unstable:0 [ 87.430108] slab_reclaimable:4260 slab_unreclaimable:56741 [ 87.430108] mapped:64 shmem:48 pagetables:360 bounce:0 [ 87.430108] free:947 free_pcp:8 free_cma:0 [ 87.430119] Node 0 active_anon:12876kB inactive_anon:164kB active_file:184kB inactive_file:200kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:256kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 87.430133] DMA32 free:32kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed: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 [ 87.430170] Normal free:3756kB min:5580kB low:9168kB high:12756kB active_anon:12876kB inactive_anon:164kB active_file:184kB inactive_file:200kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:226964kB kernel_stack:3424kB pagetables:1440kB bounce:0kB free_pcp:32kB local_pcp:32kB free_cma:0kB ** 74 printk messages dropped ** [ 87.664465] [ 584] 0 584 5383 185 16 3 0 -1000 udevd [ 87.664473] [ 1757] 0 1757 2492 573 9 3 0 0 dhclient ** 92 printk messages dropped ** [ 87.706651] [ 584] 0 584 5383 185 16 3 0 -1000 udevd [ 87.706659] [ 1757] 0 1757 2492 573 9 3 0 0 dhclient [ 87.706667] [ 1888] 0 1888 14231 108 23 3 0 0 rsyslogd [ 87.706674] [ 1943] 0 1943 3734 44 12 3 0 0 mcstransd [ 87.706682] [ 1945] 0 1945 4724 51 15 3 0 0 cron [ 87.706690] [ 1963] 0 1963 12926 1227 27 3 0 0 restorecond [ 87.706698] [ 1989] 0 1989 12489 153 29 3 0 -1000 sshd Connection to 10.128.0.211 closed by remote host. 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