Warning: Permanently added '10.128.1.14' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 57.989409] lowmemorykiller: Killing 'syz-executor626' (2072) (tgid 2072), adj 1000, [ 57.989409] to free 48kB on behalf of 'kswapd0' (33) because [ 57.989409] cache 36248kB is below limit 65536kB for oom_score_adj 12 [ 57.989409] Free memory is -13220kB above reserved [ 57.994970] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 57.996524] in_atomic(): 0, irqs_disabled(): 0, pid: 33, name: kswapd0 [ 58.018154] 2 locks held by kswapd0/33: [ 58.037201] #0: (shrinker_rwsem){++++..}, at: [<0000000053386479>] shrink_slab.part.0+0xb2/0xa20 [ 58.081633] #1: (rcu_read_lock){......}, at: [<00000000f2fb31af>] lowmem_scan+0x242/0xb50 [ 58.124098] Preemption disabled at:[ 58.139838] [<0000000035493d85>] get_task_mm+0x20/0xc0 [ 58.165596] CPU: 0 PID: 33 Comm: kswapd0 Not tainted 4.9.183+ #4 [ 58.171791] ffff8801d8def7c0 ffffffff81b580a1 0000000000000000 0000000000000001 [ 58.179845] ffff8801d992c740 ffffffff810d0ca0 ffff8801d992c740 ffff8801d8def7f8 [ 58.187992] ffffffff8140040c ffff8801d992c740 ffffffff82a39900 0000000000000387 [ 58.196006] Call Trace: [ 58.198594] [<00000000403610bb>] dump_stack+0xc1/0x120 [ 58.204051] [<0000000035493d85>] ? get_task_mm+0x20/0xc0 [ 58.209568] [<00000000900c0c57>] ___might_sleep.cold+0x1c1/0x1fa [ 58.215879] [<0000000014ea8c1e>] __might_sleep+0x95/0x1a0 [ 58.221483] [<000000005631e90f>] mmput+0x28/0x370 [ 58.226408] [<000000009def10b0>] handle_lmk_event+0xea/0x8a0 [ 58.232560] [<00000000e3177d84>] lowmem_scan+0x695/0xb50 [ 58.238088] [<00000000a6fbb298>] shrink_slab.part.0+0x3cf/0xa20 [ 58.244233] [<00000000ed5c9190>] ? unregister_shrinker+0x230/0x230 [ 58.250708] [<000000008feaa231>] ? _raw_spin_unlock_irq+0x39/0x60 [ 58.257287] [<000000007182798b>] ? finish_task_switch+0x1e5/0x660 [ 58.263759] [<00000000aa788ffe>] ? finish_task_switch+0x1b7/0x660 [ 58.270055] [<000000006492fab0>] ? __switch_to_asm+0x41/0x70 [ 58.275917] [<0000000009ba80a1>] shrink_node+0x1ed/0x750 [ 58.281694] [<00000000e90c0316>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 58.288695] [<00000000edf7ab80>] kswapd+0x7f8/0x13b0 [ 58.293865] [<00000000c16a1506>] ? try_to_free_pages+0xbd0/0xbd0 [ 58.300114] [<00000000eac7a11f>] ? autoremove_wake_function.part.0+0x130/0x130 [ 58.307541] [<00000000e103ab83>] ? __kthread_parkme+0x173/0x240 [ 58.313679] [<00000000c16a1506>] ? try_to_free_pages+0xbd0/0xbd0 [ 58.319975] [<0000000085f32561>] kthread+0x278/0x310 [ 58.325248] [<0000000077d2880e>] ? kthread_park+0xa0/0xa0 [ 58.330848] [<000000008980f21f>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 58.337581] [<000000008feaa231>] ? _raw_spin_unlock_irq+0x39/0x60 [ 58.343965] [<000000007182798b>] ? finish_task_switch+0x1e5/0x660 [ 58.350267] [<00000000aa788ffe>] ? finish_task_switch+0x1b7/0x660 [ 58.356564] [<000000006492fab0>] ? __switch_to_asm+0x41/0x70 [ 58.362438] [<000000005878d990>] ? __switch_to_asm+0x35/0x70 [ 58.368304] [<000000006492fab0>] ? __switch_to_asm+0x41/0x70 [ 58.374253] [<0000000077d2880e>] ? kthread_park+0xa0/0xa0 [ 58.379857] [<0000000077d2880e>] ? kthread_park+0xa0/0xa0 [ 58.385460] [<00000000c8cec592>] ret_from_fork+0x5c/0x70 [ 58.469391] oom_reaper: reaped process 2072 (syz-executor626), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 58.477713] [ 58.477715] ================================= [ 58.477717] [ INFO: inconsistent lock state ] [ 58.477723] 4.9.183+ #4 Tainted: G W [ 58.477724] --------------------------------- [ 58.477727] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 58.477734] kswapd0/33 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 58.477752] (&mm->mmap_sem){+++++?}, at: [<000000000b499f9c>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 58.477763] mark_held_locks+0xb1/0x100 [ 58.477768] lockdep_trace_alloc+0x18c/0x2b0 [ 58.477773] __alloc_pages_nodemask+0x143/0x1a80 [ 58.477780] __pmd_alloc+0x4a/0x330 [ 58.477786] move_page_tables+0xadb/0xd60 [ 58.477792] shift_arg_pages+0x1ae/0x470 [ 58.477796] setup_arg_pages+0x60d/0x7c0 [ 58.477803] load_elf_binary+0xa84/0x4a90 [ 58.477808] search_binary_handler+0x14f/0x700 [ 58.477813] do_execveat_common.isra.0+0xf81/0x1db0 [ 58.477818] do_execve+0x3a/0x50 [ 58.477826] run_init_process+0x33/0x37 [ 58.477832] try_to_run_init_process+0x18/0x48 [ 58.477838] kernel_init+0xf2/0x163 [ 58.477843] ret_from_fork+0x5c/0x70 [ 58.477846] irq event stamp: 4469 [ 58.477853] hardirqs last enabled at (4469): [<00000000775ff167>] restore_regs_and_iret+0x0/0x1d [ 58.477861] hardirqs last disabled at (4468): [<0000000049248ecf>] preempt_schedule_irq+0x6a/0xa0 [ 58.477868] softirqs last enabled at (4464): [<000000007dc5b7da>] __do_softirq+0x474/0x964 [ 58.477874] softirqs last disabled at (4451): [<00000000a3993993>] irq_exit+0x119/0x160 [ 58.477876] [ 58.477876] other info that might help us debug this: [ 58.477877] Possible unsafe locking scenario: [ 58.477877] [ 58.477878] CPU0 [ 58.477880] ---- [ 58.477883] lock(&mm->mmap_sem); [ 58.477884] [ 58.477888] lock(&mm->mmap_sem); [ 58.477889] [ 58.477889] *** DEADLOCK *** [ 58.477889] [ 58.477892] 3 locks held by kswapd0/33: [ 58.477905] #0: (shrinker_rwsem){++++..}, at: [<0000000053386479>] shrink_slab.part.0+0xb2/0xa20 [ 58.477917] #1: (rcu_read_lock){......}, at: [<00000000f2fb31af>] lowmem_scan+0x242/0xb50 [ 58.477928] #2: (lmk_event_lock){+.+.-.}, at: [<000000000b6ae89b>] handle_lmk_event+0xfb/0x8a0 [ 58.477929] [ 58.477929] stack backtrace: [ 58.477936] CPU: 0 PID: 33 Comm: kswapd0 Tainted: G W 4.9.183+ #4 [ 58.477948] ffff8801d8def500 ffffffff81b580a1 00000000000000f0 ffff8801d992c740 [ 58.477957] ffffffff83cad5b0 ffff8801d992d088 ffffffff8424eec0 ffff8801d8def578 [ 58.477965] ffffffff81406e49 0000000000000000 ffffffff00000001 0000000000000001 [ 58.477971] Call Trace: [ 58.477980] [<00000000403610bb>] dump_stack+0xc1/0x120 [ 58.477989] [<0000000009bfbdfb>] print_usage_bug.cold+0x452/0x5a2 [ 58.478001] [<0000000017305443>] mark_lock+0x6c7/0x12e0 [ 58.478008] [<00000000a12e65d0>] ? print_irq_inversion_bug+0xa0/0xa0 [ 58.478014] [<00000000a7a9458c>] __lock_acquire+0x5c3/0x4350 [ 58.478021] [<00000000572b8933>] ? trace_hardirqs_on+0x10/0x10 [ 58.478030] [<000000008980f21f>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 58.478036] [<00000000fabba114>] lock_acquire+0x133/0x3d0 [ 58.478042] [<000000000b499f9c>] ? get_cmdline+0xa3/0x2d0 [ 58.478048] [<000000005a945145>] down_read+0x44/0xb0 [ 58.478053] [<000000000b499f9c>] ? get_cmdline+0xa3/0x2d0 [ 58.478059] [<000000000b499f9c>] get_cmdline+0xa3/0x2d0 [ 58.478066] [<00000000a4493057>] handle_lmk_event+0x13c/0x8a0 [ 58.478073] [<00000000e3177d84>] lowmem_scan+0x695/0xb50 [ 58.478080] [<00000000a6fbb298>] shrink_slab.part.0+0x3cf/0xa20 [ 58.478088] [<00000000ed5c9190>] ? unregister_shrinker+0x230/0x230 [ 58.478094] [<000000008feaa231>] ? _raw_spin_unlock_irq+0x39/0x60 [ 58.478103] [<000000007182798b>] ? finish_task_switch+0x1e5/0x660 [ 58.478110] [<00000000aa788ffe>] ? finish_task_switch+0x1b7/0x660 [ 58.478116] [<000000006492fab0>] ? __switch_to_asm+0x41/0x70 [ 58.478123] [<0000000009ba80a1>] shrink_node+0x1ed/0x750 [ 58.478131] [<00000000e90c0316>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 58.478138] [<00000000edf7ab80>] kswapd+0x7f8/0x13b0 [ 58.478146] [<00000000c16a1506>] ? try_to_free_pages+0xbd0/0xbd0 [ 58.478154] [<00000000eac7a11f>] ? autoremove_wake_function.part.0+0x130/0x130 [ 58.478163] [<00000000e103ab83>] ? __kthread_parkme+0x173/0x240 [ 58.478170] [<00000000c16a1506>] ? try_to_free_pages+0xbd0/0xbd0 [ 58.478176] [<0000000085f32561>] kthread+0x278/0x310 [ 58.478182] [<0000000077d2880e>] ? kthread_park+0xa0/0xa0 [ 58.478189] [<000000008980f21f>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 58.478196] [<000000008feaa231>] ? _raw_spin_unlock_irq+0x39/0x60 [ 58.478203] [<000000007182798b>] ? finish_task_switch+0x1e5/0x660 [ 58.478210] [<00000000aa788ffe>] ? finish_task_switch+0x1b7/0x660 [ 58.478216] [<000000006492fab0>] ? __switch_to_asm+0x41/0x70 [ 58.478223] [<000000005878d990>] ? __switch_to_asm+0x35/0x70 [ 58.478229] [<000000006492fab0>] ? __switch_to_asm+0x41/0x70 [ 58.478235] [<0000000077d2880e>] ? kthread_park+0xa0/0xa0 [ 58.478241] [<0000000077d2880e>] ? kthread_park+0xa0/0xa0 [ 58.478247] [<00000000c8cec592>] ret_from_fork+0x5c/0x70 [ 58.496839] syz-executor626: vmalloc: allocation failure, allocated 1208324096 of 4294975488 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 58.496849] CPU: 0 PID: 2072 Comm: syz-executor626 Tainted: G W 4.9.183+ #4 [ 58.496862] ffff8801cdcefa08 ffffffff81b580a1 1ffff10039b9df43 dffffc0000000000 [ 58.496871] ffffffff82aaa940 0000000000000000 0000000000400000 ffff8801cdcefb30 [ 58.496879] ffffffff81506893 0000000041b58ab3 ffffffff82e3a0f8 ffffffff81430460 [ 58.496881] Call Trace: [ 58.496895] [<00000000403610bb>] dump_stack+0xc1/0x120 [ 58.496904] [<00000000d9333dc6>] warn_alloc.cold+0x76/0x93 [ 58.496913] [<00000000d3d879c2>] ? zone_watermark_ok_safe+0x260/0x260 [ 58.496923] [<0000000064e2153f>] ? debug_lockdep_rcu_enabled+0x8/0xa0 [ 58.496931] [<00000000af5b9233>] __vmalloc_node_range+0x3ff/0x610 [ 58.496940] [<000000004445d8b2>] ? xt_alloc_table_info+0xc8/0x100 [ 58.496946] [<000000007db1fc4d>] vmalloc+0x5c/0x70 [ 58.496953] [<000000004445d8b2>] ? xt_alloc_table_info+0xc8/0x100 [ 58.496960] [<000000004445d8b2>] xt_alloc_table_info+0xc8/0x100 [ 58.496968] [<00000000c2508467>] do_ip6t_set_ctl+0x231/0x480 [ 58.496975] [<00000000a47f10b2>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 58.496983] [<000000004de969ae>] ? mutex_unlock+0x9/0x10 [ 58.496991] [<00000000212d6522>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 58.497003] [<000000000574e3c8>] nf_setsockopt+0x6d/0xc0 [ 58.497010] [<00000000fa30172b>] ipv6_setsockopt+0x10b/0x140 [ 58.497017] [<00000000a59d3d96>] tcp_setsockopt+0x8a/0xe0 [ 58.497025] [<00000000d36a6213>] sock_common_setsockopt+0x9a/0xe0 [ 58.497032] [<000000008ea7b4b4>] SyS_setsockopt+0x159/0x240 [ 58.497039] [<000000001d84189e>] ? SyS_recv+0x40/0x40 [ 58.497046] [<00000000a464a849>] ? __do_page_fault+0x545/0xa60 [ 58.497053] [<000000003ebba6b0>] ? do_syscall_64+0x4a/0x5c0 [ 58.497059] [<000000001d84189e>] ? SyS_recv+0x40/0x40 [ 58.497065] [<00000000e3277c32>] do_syscall_64+0x1ad/0x5c0 [ 58.497072] [<00000000d08ac2f7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 58.497075] Mem-Info: [ 58.497090] active_anon:3232 inactive_anon:41 isolated_anon:0 [ 58.497090] active_file:5 inactive_file:26 isolated_file:0 [ 58.497090] unevictable:0 dirty:4 writeback:0 unstable:0 [ 58.497090] slab_reclaimable:4257 slab_unreclaimable:56668 [ 58.497090] mapped:15 shmem:48 pagetables:355 bounce:0 [ 58.497090] free:0 free_pcp:0 free_cma:0 [ 58.497102] Node 0 active_anon:12928kB inactive_anon:164kB active_file:20kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:60kB dirty:16kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 58.497118] 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 [ 58.497141] Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12928kB inactive_anon:164kB active_file:20kB inactive_file:104kB unevictable:0kB writepending:8kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17028kB slab_unreclaimable:226672kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 58.497171] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 89 total pagecache pages [ 58.497199] 0 pages in swap cache [ 58.497202] Swap cache stats: add 0, delete 0, find 0/0 [ 58.497204] Free swap = 0kB [ 58.497205] Total swap = 0kB [ 58.497207] 1965979 pages RAM [ 58.497209] 0 pages HighMem/MovableOnly [ 58.497211] 313625 pages reserved [ 58.997476] lowmemorykiller: Killing 'syz-executor626' (2074) (tgid 2074), adj 1000, [ 58.997476] to free 48kB on behalf of 'syz-executor626' (2077) because [ 58.997476] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 58.997476] Free memory is -31968kB above reserved [ 58.997485] lowmemorykiller: Killing 'syz-executor626' (2074) (tgid 2074), adj 1000, [ 58.997485] to free 48kB on behalf of 'syz-executor626' (2074) because [ 58.997485] cache 164kB is below limit 6144kB for oom_score_adj 0 [ 58.997485] Free memory is -31968kB above reserved [ 58.997488] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 58.997492] in_atomic(): 0, irqs_disabled(): 0, pid: 2077, name: syz-executor626 [ 58.997494] INFO: lockdep is turned off. [ 58.997514] Preemption disabled at: [ 58.997514] [<0000000035493d85>] get_task_mm+0x20/0xc0 [ 58.997525] CPU: 1 PID: 2077 Comm: syz-executor626 Tainted: G W 4.9.183+ #4 [ 58.997544] ffff8801ce7af408 ffffffff81b580a1 0000000000000000 0000000000000001 [ 58.997554] ffff8801cfd2af80 ffffffff810d0ca0 ffff8801cfd2af80 ffff8801ce7af440 [ 58.997564] ffffffff8140040c ffff8801cfd2af80 ffffffff82a39900 0000000000000387 [ 58.997566] Call Trace: [ 58.997580] [<00000000403610bb>] dump_stack+0xc1/0x120 [ 58.997587] [<0000000035493d85>] ? get_task_mm+0x20/0xc0 [ 58.997597] [<00000000900c0c57>] ___might_sleep.cold+0x1c1/0x1fa [ 58.997609] [<0000000014ea8c1e>] __might_sleep+0x95/0x1a0 [ 58.997616] [<000000005631e90f>] mmput+0x28/0x370 [ 58.997627] [<000000009def10b0>] handle_lmk_event+0xea/0x8a0 [ 58.997634] [<00000000e3177d84>] lowmem_scan+0x695/0xb50 [ 58.997644] [<00000000a6fbb298>] shrink_slab.part.0+0x3cf/0xa20 [ 58.997653] [<00000000ed5c9190>] ? unregister_shrinker+0x230/0x230 [ 58.997662] [<00000000572b8933>] ? trace_hardirqs_on+0x10/0x10 [ 58.997670] [<0000000009ba80a1>] shrink_node+0x1ed/0x750 [ 58.997678] [<00000000e90c0316>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 58.997688] [<00000000b9ef3a38>] ? __delayacct_freepages_start+0x41/0x80 [ 58.997696] [<000000009cc11bca>] try_to_free_pages+0x397/0xbd0 [ 58.997704] [<0000000017ddfb6b>] ? shrink_node+0x750/0x750 [ 58.997712] [<00000000faa995c5>] __alloc_pages_nodemask+0x930/0x1a80 [ 58.997721] [<0000000024e709ef>] ? __schedule+0x6d6/0x1f10 [ 58.997729] [<000000004300f0d8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 58.997738] [<000000000b11dbd8>] __vmalloc_node_range+0x25b/0x610 [ 58.997747] [<000000004445d8b2>] ? xt_alloc_table_info+0xc8/0x100 [ 58.997755] [<000000007db1fc4d>] vmalloc+0x5c/0x70 [ 58.997762] [<000000004445d8b2>] ? xt_alloc_table_info+0xc8/0x100 [ 58.997769] [<000000004445d8b2>] xt_alloc_table_info+0xc8/0x100 [ 58.997777] [<00000000c2508467>] do_ip6t_set_ctl+0x231/0x480 [ 58.997785] [<00000000a47f10b2>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 58.997793] [<000000004de969ae>] ? mutex_unlock+0x9/0x10 [ 58.997803] [<00000000212d6522>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 58.997811] [<000000000574e3c8>] nf_setsockopt+0x6d/0xc0 [ 58.997818] [<00000000fa30172b>] ipv6_setsockopt+0x10b/0x140 [ 58.997826] [<00000000a59d3d96>] tcp_setsockopt+0x8a/0xe0 [ 58.997841] [<00000000d36a6213>] sock_common_setsockopt+0x9a/0xe0 [ 58.997848] [<000000008ea7b4b4>] SyS_setsockopt+0x159/0x240 [ 58.997855] [<000000001d84189e>] ? SyS_recv+0x40/0x40 [ 58.997863] [<00000000a464a849>] ? __do_page_fault+0x545/0xa60 [ 58.997871] [<000000003ebba6b0>] ? do_syscall_64+0x4a/0x5c0 [ 58.997878] [<000000001d84189e>] ? SyS_recv+0x40/0x40 [ 58.997885] [<00000000e3277c32>] do_syscall_64+0x1ad/0x5c0 [ 58.997893] [<00000000d08ac2f7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 60.007707] lowmemorykiller: Killing 'syz-executor626' (2074) (tgid 2074), adj 1000, [ 60.007707] to free 48kB on behalf of 'syz-executor626' (2079) because [ 60.007707] cache 132kB is below limit 6144kB for oom_score_adj 0 [ 60.007707] Free memory is -13324kB above reserved [ 60.007712] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 60.007716] in_atomic(): 0, irqs_disabled(): 0, pid: 2079, name: syz-executor626 [ 60.007718] INFO: lockdep is turned off. [ 60.007737] Preemption disabled at: [ 60.007737] [<0000000035493d85>] get_task_mm+0x20/0xc0 [ 60.007747] CPU: 0 PID: 2079 Comm: syz-executor626 Tainted: G W 4.9.183+ #4 [ 60.007760] ffff8801ceb47408 ffffffff81b580a1 0000000000000000 0000000000000001 [ 60.007769] ffff8801cdc54740 ffffffff810d0ca0 ffff8801cdc54740 ffff8801ceb47440 [ 60.007778] ffffffff8140040c ffff8801cdc54740 ffffffff82a39900 0000000000000387 [ 60.007779] Call Trace: [ 60.007793] [<00000000403610bb>] dump_stack+0xc1/0x120 [ 60.007799] [<0000000035493d85>] ? get_task_mm+0x20/0xc0 [ 60.007809] [<00000000900c0c57>] ___might_sleep.cold+0x1c1/0x1fa [ 60.007821] [<0000000014ea8c1e>] __might_sleep+0x95/0x1a0 [ 60.007833] [<000000005631e90f>] mmput+0x28/0x370 [ 60.007844] [<000000009def10b0>] handle_lmk_event+0xea/0x8a0 [ 60.007850] [<00000000e3177d84>] lowmem_scan+0x695/0xb50 [ 60.007862] [<00000000a6fbb298>] shrink_slab.part.0+0x3cf/0xa20 [ 60.007870] [<00000000ed5c9190>] ? unregister_shrinker+0x230/0x230 [ 60.007879] [<00000000572b8933>] ? trace_hardirqs_on+0x10/0x10 [ 60.007891] [<0000000009ba80a1>] shrink_node+0x1ed/0x750 [ 60.007899] [<00000000e90c0316>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 60.007910] [<00000000b9ef3a38>] ? __delayacct_freepages_start+0x41/0x80 [ 60.007918] [<000000009cc11bca>] try_to_free_pages+0x397/0xbd0 [ 60.007925] [<0000000017ddfb6b>] ? shrink_node+0x750/0x750 [ 60.007932] [<00000000faa995c5>] __alloc_pages_nodemask+0x930/0x1a80 [ 60.007939] [<000000004300f0d8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 60.007949] [<00000000ee8339ee>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 60.007959] [<00000000775ff167>] ? retint_kernel+0x2d/0x2d [ 60.007968] [<0000000092cb10ac>] ? __vmalloc_node_range+0x271/0x610 [ 60.007975] [<000000000b11dbd8>] __vmalloc_node_range+0x25b/0x610 [ 60.007989] [<000000004445d8b2>] ? xt_alloc_table_info+0xc8/0x100 [ 60.007996] [<000000007db1fc4d>] vmalloc+0x5c/0x70 [ 60.008003] [<000000004445d8b2>] ? xt_alloc_table_info+0xc8/0x100 [ 60.008010] [<000000004445d8b2>] xt_alloc_table_info+0xc8/0x100 [ 60.008021] [<00000000c2508467>] do_ip6t_set_ctl+0x231/0x480 [ 60.008028] [<00000000a47f10b2>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 60.008037] [<000000004de969ae>] ? mutex_unlock+0x9/0x10 [ 60.008049] [<00000000212d6522>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 60.008056] [<000000000574e3c8>] nf_setsockopt+0x6d/0xc0 [ 60.008063] [<00000000fa30172b>] ipv6_setsockopt+0x10b/0x140 [ 60.008072] [<00000000a59d3d96>] tcp_setsockopt+0x8a/0xe0 [ 60.008081] [<00000000d36a6213>] sock_common_setsockopt+0x9a/0xe0 [ 60.008089] [<000000008ea7b4b4>] SyS_setsockopt+0x159/0x240 [ 60.008095] [<000000001d84189e>] ? SyS_recv+0x40/0x40 [ 60.008103] [<00000000a464a849>] ? __do_page_fault+0x545/0xa60 [ 60.008109] [<000000003ebba6b0>] ? do_syscall_64+0x4a/0x5c0 [ 60.008115] [<000000001d84189e>] ? SyS_recv+0x40/0x40 [ 60.008121] [<00000000e3277c32>] do_syscall_64+0x1ad/0x5c0 [ 60.008128] [<00000000d08ac2f7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 61.017438] lowmemorykiller: Killing 'syz-executor626' (2074) (tgid 2074), adj 1000, [ 61.017438] to free 48kB on behalf of 'syz-executor626' (2074) because [ 61.017438] cache 132kB is below limit 6144kB for oom_score_adj 0 [ 61.017438] Free memory is -13416kB above reserved [ 61.017443] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 61.017447] in_atomic(): 0, irqs_disabled(): 0, pid: 2074, name: syz-executor626 [ 61.017450] INFO: lockdep is turned off. [ 61.017466] Preemption disabled at: [ 61.017467] [<0000000035493d85>] get_task_mm+0x20/0xc0 [ 61.017476] CPU: 1 PID: 2074 Comm: syz-executor626 Tainted: G W 4.9.183+ #4 [ 61.017489] ffff8801cdc8f408 ffffffff81b580a1 0000000000000000 0000000000000001 [ 61.017498] ffff8801cfd297c0 ffffffff810d0ca0 ffff8801cfd297c0 ffff8801cdc8f440 [ 61.017507] ffffffff8140040c ffff8801cfd297c0 ffffffff82a39900 0000000000000387 [ 61.017509] Call Trace: [ 61.017520] [<00000000403610bb>] dump_stack+0xc1/0x120 [ 61.017527] [<0000000035493d85>] ? get_task_mm+0x20/0xc0 [ 61.017537] [<00000000900c0c57>] ___might_sleep.cold+0x1c1/0x1fa [ 61.017546] [<0000000014ea8c1e>] __might_sleep+0x95/0x1a0 [ 61.017553] [<000000005631e90f>] mmput+0x28/0x370 [ 61.017561] [<000000009def10b0>] handle_lmk_event+0xea/0x8a0 [ 61.017568] [<00000000e3177d84>] lowmem_scan+0x695/0xb50 [ 61.017577] [<00000000a6fbb298>] shrink_slab.part.0+0x3cf/0xa20 [ 61.017585] [<00000000ed5c9190>] ? unregister_shrinker+0x230/0x230 [ 61.017594] [<00000000f33f13c7>] ? free_object+0x117/0x2b0 [ 61.017601] [<0000000009ba80a1>] shrink_node+0x1ed/0x750 [ 61.017609] [<00000000e90c0316>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 61.017619] [<00000000b9ef3a38>] ? __delayacct_freepages_start+0x41/0x80 [ 61.017626] [<000000009cc11bca>] try_to_free_pages+0x397/0xbd0 [ 61.017633] [<0000000017ddfb6b>] ? shrink_node+0x750/0x750 [ 61.017640] [<000000008c478afc>] ? _find_next_bit.part.0+0xe0/0x110 [ 61.017647] [<00000000faa995c5>] __alloc_pages_nodemask+0x930/0x1a80 [ 61.017654] [<000000005878d990>] ? __switch_to_asm+0x35/0x70 [ 61.017661] [<000000004300f0d8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 61.017670] [<000000000b11dbd8>] __vmalloc_node_range+0x25b/0x610 [ 61.017679] [<000000004445d8b2>] ? xt_alloc_table_info+0xc8/0x100 [ 61.017685] [<000000007db1fc4d>] vmalloc+0x5c/0x70 [ 61.017692] [<000000004445d8b2>] ? xt_alloc_table_info+0xc8/0x100 [ 61.017699] [<000000004445d8b2>] xt_alloc_table_info+0xc8/0x100 [ 61.017706] [<00000000c2508467>] do_ip6t_set_ctl+0x231/0x480 [ 61.017714] [<00000000a47f10b2>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 61.017722] [<000000004de969ae>] ? mutex_unlock+0x9/0x10 [ 61.017730] [<00000000212d6522>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 61.017737] [<000000000574e3c8>] nf_setsockopt+0x6d/0xc0 [ 61.017743] [<00000000fa30172b>] ipv6_setsockopt+0x10b/0x140 [ 61.017750] [<00000000a59d3d96>] tcp_setsockopt+0x8a/0xe0 [ 61.017758] [<00000000d36a6213>] sock_common_setsockopt+0x9a/0xe0 [ 61.017765] [<000000008ea7b4b4>] SyS_setsockopt+0x159/0x240 [ 61.017772] [<000000001d84189e>] ? SyS_recv+0x40/0x40 [ 61.017779] [<00000000a464a849>] ? __do_page_fault+0x545/0xa60 [ 61.017786] [<000000003ebba6b0>] ? do_syscall_64+0x4a/0x5c0 [ 61.017793] [<000000001d84189e>] ? SyS_recv+0x40/0x40 [ 61.017799] [<00000000e3277c32>] do_syscall_64+0x1ad/0x5c0 [ 61.017806] [<00000000d08ac2f7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 62.027461] lowmemorykiller: Killing 'syz-executor626' (2074) (tgid 2074), adj 1000, [ 62.027461] to free 48kB on behalf of 'getty' (2065) because [ 62.027461] cache 132kB is below limit 6144kB for oom_score_adj 0 [ 62.027461] Free memory is -13416kB above reserved [ 62.027469] lowmemorykiller: Killing 'syz-executor626' (2074) (tgid 2074), adj 1000, [ 62.027469] to free 48kB on behalf of 'getty' (2064) because [ 62.027469] cache 132kB is below limit 6144kB for oom_score_adj 0 [ 62.027469] Free memory is -13416kB above reserved [ 62.027473] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 62.027476] in_atomic(): 0, irqs_disabled(): 0, pid: 2065, name: getty [ 62.027477] INFO: lockdep is turned off. [ 62.027492] Preemption disabled at: [ 62.027493] [<0000000035493d85>] get_task_mm+0x20/0xc0 [ 62.027502] CPU: 0 PID: 2065 Comm: getty Tainted: G W 4.9.183+ #4 [ 62.027517] ffff8801d6b4f3c8 ffffffff81b580a1 0000000000000000 0000000000000001 [ 62.027527] ffff8801cfce8000 ffffffff810d0ca0 ffff8801cfce8000 ffff8801d6b4f400 [ 62.027537] ffffffff8140040c ffff8801cfce8000 ffffffff82a39900 0000000000000387 [ 62.027538] Call Trace: [ 62.027549] [<00000000403610bb>] dump_stack+0xc1/0x120 [ 62.027557] [<0000000035493d85>] ? get_task_mm+0x20/0xc0 [ 62.027566] [<00000000900c0c57>] ___might_sleep.cold+0x1c1/0x1fa [ 62.027576] [<0000000014ea8c1e>] __might_sleep+0x95/0x1a0 [ 62.027583] [<000000005631e90f>] mmput+0x28/0x370 [ 62.027594] [<000000009def10b0>] handle_lmk_event+0xea/0x8a0 [ 62.027601] [<00000000e3177d84>] lowmem_scan+0x695/0xb50 [ 62.027611] [<00000000a6fbb298>] shrink_slab.part.0+0x3cf/0xa20 [ 62.027620] [<00000000ed5c9190>] ? unregister_shrinker+0x230/0x230 [ 62.027629] [<00000000f33f13c7>] ? free_object+0x117/0x2b0 [ 62.027638] [<0000000009ba80a1>] shrink_node+0x1ed/0x750 [ 62.027647] [<00000000e90c0316>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 62.027661] [<00000000b9ef3a38>] ? __delayacct_freepages_start+0x41/0x80 [ 62.027669] [<000000009cc11bca>] try_to_free_pages+0x397/0xbd0 [ 62.027677] [<0000000017ddfb6b>] ? shrink_node+0x750/0x750 [ 62.027684] [<000000008c478afc>] ? _find_next_bit.part.0+0xe0/0x110 [ 62.027692] [<00000000faa995c5>] __alloc_pages_nodemask+0x930/0x1a80 [ 62.027700] [<000000004300f0d8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 62.027708] [<00000000f4eb3711>] ? page_cache_prev_hole+0x80/0x80 [ 62.027715] [<0000000047a6f1f1>] ? find_get_entry+0x2a9/0x510 [ 62.027722] [<000000006c239787>] ? find_get_entry+0x2d0/0x510 [ 62.027729] [<00000000f4eb3711>] ? page_cache_prev_hole+0x80/0x80 [ 62.027737] [<000000003281f610>] pagecache_get_page+0x248/0x740 [ 62.027744] [<0000000096e779eb>] filemap_fault+0xb1f/0x1360 [ 62.027754] [<00000000335bb6a5>] ext4_filemap_fault+0x72/0xa0 [ 62.027762] [<000000002a47bc98>] __do_fault+0x2a8/0x6c0 [ 62.027770] [<000000009c96577a>] ? do_page_mkwrite+0x400/0x400 [ 62.027778] [<0000000032e01742>] ? generic_file_readonly_mmap+0x190/0x190 [ 62.027785] [<00000000bd3228fb>] handle_mm_fault+0x11bc/0x2420 [ 62.027793] [<000000001ac30b90>] ? debug_object_free+0x1c9/0x340 [ 62.027800] [<00000000baf7cd25>] ? vm_insert_page+0x850/0x850 [ 62.027807] [<00000000feef9ed3>] ? vmacache_find+0x59/0x280 [ 62.027814] [<00000000d09b4174>] ? vmacache_update+0xfe/0x130 [ 62.027822] [<00000000b1bb598a>] __do_page_fault+0x3f0/0xa60 [ 62.027830] [<000000003d8b06f3>] ? bad_area_access_error+0x3d0/0x3d0 [ 62.027839] [<0000000089f3af72>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.027845] [<0000000084d10c09>] do_page_fault+0x28/0x30 [ 62.027853] [<00000000aef0bdee>] page_fault+0x25/0x30 [ 63.037488] lowmemorykiller: Killing 'syz-executor626' (2074) (tgid 2074), adj 1000, [ 63.037488] to free 48kB on behalf of 'syz-executor626' (2069) because [ 63.037488] cache 132kB is below limit 6144kB for oom_score_adj 0 [ 63.037488] Free memory is -13416kB above reserved [ 63.037494] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 63.037498] in_atomic(): 0, irqs_disabled(): 0, pid: 2069, name: syz-executor626 [ 63.037500] INFO: lockdep is turned off. [ 63.037514] Preemption disabled at: [ 63.037515] [<0000000035493d85>] get_task_mm+0x20/0xc0 [ 63.037524] CPU: 1 PID: 2069 Comm: syz-executor626 Tainted: G W 4.9.183+ #4 [ 63.037538] ffff8801d17a7320 ffffffff81b580a1 0000000000000000 0000000000000001 [ 63.037547] ffff8801cf3f8000 ffffffff810d0ca0 ffff8801cf3f8000 ffff8801d17a7358 [ 63.037556] ffffffff8140040c ffff8801cf3f8000 ffffffff82a39900 0000000000000387 [ 63.037557] Call Trace: [ 63.037568] [<00000000403610bb>] dump_stack+0xc1/0x120 [ 63.037574] [<0000000035493d85>] ? get_task_mm+0x20/0xc0 [ 63.037583] [<00000000900c0c57>] ___might_sleep.cold+0x1c1/0x1fa [ 63.037594] [<0000000014ea8c1e>] __might_sleep+0x95/0x1a0 [ 63.037600] [<000000005631e90f>] mmput+0x28/0x370 [ 63.037609] [<000000009def10b0>] handle_lmk_event+0xea/0x8a0 [ 63.037616] [<00000000e3177d84>] lowmem_scan+0x695/0xb50 [ 63.037626] [<00000000a6fbb298>] shrink_slab.part.0+0x3cf/0xa20 [ 63.037633] [<00000000ed5c9190>] ? unregister_shrinker+0x230/0x230 [ 63.037642] [<00000000f33f13c7>] ? free_object+0x117/0x2b0 [ 63.037649] [<0000000009ba80a1>] shrink_node+0x1ed/0x750 [ 63.037657] [<00000000e90c0316>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 63.037666] [<00000000b9ef3a38>] ? __delayacct_freepages_start+0x41/0x80 [ 63.037674] [<000000009cc11bca>] try_to_free_pages+0x397/0xbd0 [ 63.037681] [<0000000017ddfb6b>] ? shrink_node+0x750/0x750 [ 63.037688] [<000000008c478afc>] ? _find_next_bit.part.0+0xe0/0x110 [ 63.037695] [<00000000faa995c5>] __alloc_pages_nodemask+0x930/0x1a80 [ 63.037702] [<000000004300f0d8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 63.037709] [<00000000399a1d10>] ? debug_object_active_state+0x109/0x380 [ 63.037718] [<000000008c66a755>] new_slab+0x33b/0x3e0 [ 63.037725] [<0000000051483227>] ___slab_alloc.constprop.0+0x361/0x470 [ 63.037732] [<0000000079b69d2f>] ? copy_process.part.0+0x164b/0x63f0 [ 63.037739] [<00000000f90b0f6c>] ? trace_hardirqs_on+0xd/0x10 [ 63.037747] [<00000000d6670cb7>] ? current_has_perm+0xa2/0x2e0 [ 63.037754] [<000000003091a494>] ? check_preemption_disabled+0x3c/0x200 [ 63.037762] [<0000000079b69d2f>] ? copy_process.part.0+0x164b/0x63f0 [ 63.037768] [<000000007f8bf564>] __slab_alloc.isra.0.constprop.0+0x50/0xa0 [ 63.037775] [<0000000079b69d2f>] ? copy_process.part.0+0x164b/0x63f0 [ 63.037781] [<00000000024065d0>] kmem_cache_alloc+0x212/0x2b0 [ 63.037788] [<0000000079b69d2f>] copy_process.part.0+0x164b/0x63f0 [ 63.037796] [<0000000069ceb492>] ? remove_wait_queue+0x20/0x190 [ 63.037803] [<000000001b7725f5>] ? remove_wait_queue+0x10f/0x190 [ 63.037810] [<00000000d9c9fafc>] ? __cleanup_sighand+0x50/0x50 [ 63.037817] [<000000006d5a8dd9>] ? do_wait+0x2e7/0x930 [ 63.037824] [<00000000a7cdc7e1>] _do_fork+0x1b8/0xd40 [ 63.037830] [<0000000085ceb72f>] ? fork_idle+0x280/0x280 [ 63.037836] [<000000002289938b>] ? SyS_wait4+0x154/0x210 [ 63.037843] [<00000000924dfe9f>] ? SyS_waitid+0x2d0/0x2d0 [ 63.037849] [<0000000011f62af3>] ? task_stopped_code+0x140/0x140 [ 63.037856] [<00000000fea4bad0>] SyS_clone+0x37/0x50 [ 63.037862] [<000000000fbdc0d6>] ? sys_vfork+0x30/0x30 [ 63.037869] [<00000000e3277c32>] do_syscall_64+0x1ad/0x5c0 [ 63.037877] [<00000000d08ac2f7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 63.709059] oom_reaper: reaped process 2074 (syz-executor626), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 63.725452] getty invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 [ 63.737079] syz-executor626: vmalloc: allocation failure, allocated 1373949952 of 4294975488 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 63.737087] CPU: 0 PID: 2074 Comm: syz-executor626 Tainted: G W 4.9.183+ #4 [ 63.737101] ffff8801cdc8fa08 ffffffff81b580a1 1ffff10039b91f43 dffffc0000000000 [ 63.737111] ffffffff82aaa940 0000000000000000 0000000000400000 ffff8801cdc8fb30 [ 63.737120] ffffffff81506893 0000000041b58ab3 ffffffff82e3a0f8 ffffffff81430460 [ 63.737122] Call Trace: [ 63.737135] [<00000000403610bb>] dump_stack+0xc1/0x120 [ 63.737145] [<00000000d9333dc6>] warn_alloc.cold+0x76/0x93 [ 63.737155] [<00000000d3d879c2>] ? zone_watermark_ok_safe+0x260/0x260 [ 63.737166] [<00000000775ff167>] ? retint_kernel+0x2d/0x2d [ 63.737175] [<00000000af5b9233>] __vmalloc_node_range+0x3ff/0x610 [ 63.737184] [<000000004445d8b2>] ? xt_alloc_table_info+0xc8/0x100 [ 63.737191] [<000000007db1fc4d>] vmalloc+0x5c/0x70 [ 63.737199] [<000000004445d8b2>] ? xt_alloc_table_info+0xc8/0x100 [ 63.737206] [<000000004445d8b2>] xt_alloc_table_info+0xc8/0x100 [ 63.737214] [<00000000c2508467>] do_ip6t_set_ctl+0x231/0x480 [ 63.737223] [<00000000a47f10b2>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 63.737231] [<000000004de969ae>] ? mutex_unlock+0x9/0x10 [ 63.737240] [<00000000212d6522>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 63.737247] [<000000000574e3c8>] nf_setsockopt+0x6d/0xc0 [ 63.737255] [<00000000fa30172b>] ipv6_setsockopt+0x10b/0x140 [ 63.737263] [<00000000a59d3d96>] tcp_setsockopt+0x8a/0xe0 [ 63.737271] [<00000000d36a6213>] sock_common_setsockopt+0x9a/0xe0 [ 63.737279] [<000000008ea7b4b4>] SyS_setsockopt+0x159/0x240 [ 63.737286] [<000000001d84189e>] ? SyS_recv+0x40/0x40 [ 63.737294] [<00000000a464a849>] ? __do_page_fault+0x545/0xa60 [ 63.737301] [<000000003ebba6b0>] ? do_syscall_64+0x4a/0x5c0 [ 63.737308] [<000000001d84189e>] ? SyS_recv+0x40/0x40 [ 63.737314] [<00000000e3277c32>] do_syscall_64+0x1ad/0x5c0 [ 63.737322] [<00000000d08ac2f7>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 63.737325] Mem-Info: [ 63.737342] active_anon:3224 inactive_anon:41 isolated_anon:0 [ 63.737342] active_file:28 inactive_file:36 isolated_file:0 [ 63.737342] unevictable:0 dirty:0 writeback:0 unstable:0 [ 63.737342] slab_reclaimable:4257 slab_unreclaimable:56442 [ 63.737342] mapped:7 shmem:48 pagetables:350 bounce:0 [ 63.737342] free:44 free_pcp:32 free_cma:0 [ 63.737354] Node 0 active_anon:12896kB inactive_anon:164kB active_file:112kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 63.737372] DMA32 free:16kB 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:104kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 63.737401] Normal free:160kB min:5580kB low:9168kB high:12756kB active_anon:12896kB inactive_anon:164kB active_file:112kB inactive_file:144kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17028kB slab_unreclaimable:225768kB kernel_stack:3424kB pagetables:1400kB bounce:0kB free_pcp:24kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 63.747790] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 1*16kB (H) 1*32kB (H) 0*64kB 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 176kB 118 total pagecache pages [ 63.747823] 0 pages in swap cache [ 63.747826] Swap cache stats: add 0, delete 0, find 0/0 [ 63.747828] Free swap = 0kB [ 63.747829] Total swap = 0kB [ 63.747832] 1965979 pages RAM [ 63.747834] 0 pages HighMem/MovableOnly [ 63.747835] 313625 pages reserved [ 64.065115] lowmemorykiller: Killing 'syz-executor626' (2077) (tgid 2077), adj 1000, [ 64.065115] to free 48kB on behalf of 'rsyslogd' (1902) because [ 64.065115] cache 280kB is below limit 6144kB for oom_score_adj 0 [ 64.065115] Free memory is -37328kB above reserved [ 64.065121] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 64.065125] in_atomic(): 0, irqs_disabled(): 0, pid: 1902, name: rsyslogd [ 64.065127] INFO: lockdep is turned off. [ 64.065143] Preemption disabled at: [ 64.065143] [<0000000035493d85>] get_task_mm+0x20/0xc0 [ 64.065153] CPU: 1 PID: 1902 Comm: rsyslogd Tainted: G W 4.9.183+ #4 [ 64.065167] ffff8801d5dff3c8 ffffffff81b580a1 0000000000000000 0000000000000001 [ 64.065176] ffff8801d45a17c0 ffffffff810d0ca0 ffff8801d45a17c0 ffff8801d5dff400 [ 64.065186] ffffffff8140040c ffff8801d45a17c0 ffffffff82a39900 0000000000000387 [ 64.065188] Call Trace: [ 64.065197] [<00000000403610bb>] dump_stack+0xc1/0x120 [ 64.065204] [<0000000035493d85>] ? get_task_mm+0x20/0xc0 [ 64.065213] [<00000000900c0c57>] ___might_sleep.cold+0x1c1/0x1fa [ 64.065223] [<0000000014ea8c1e>] __might_sleep+0x95/0x1a0 [ 64.065230] [<000000005631e90f>] mmput+0x28/0x370 [ 64.065241] [<000000009def10b0>] handle_lmk_event+0xea/0x8a0 [ 64.065248] [<00000000e3177d84>] lowmem_scan+0x695/0xb50 [ 64.065257] [<00000000a6fbb298>] shrink_slab.part.0+0x3cf/0xa20 [ 64.065266] [<00000000ed5c9190>] ? unregister_shrinker+0x230/0x230 [ 64.065274] [<00000000f33f13c7>] ? free_object+0x117/0x2b0 [ 64.065282] [<0000000009ba80a1>] shrink_node+0x1ed/0x750 [ 64.065291] [<00000000e90c0316>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 64.065306] [<00000000b9ef3a38>] ? __delayacct_freepages_start+0x41/0x80 [ 64.065314] [<000000009cc11bca>] try_to_free_pages+0x397/0xbd0 [ 64.065322] [<0000000017ddfb6b>] ? shrink_node+0x750/0x750 [ 64.065329] [<000000008c478afc>] ? _find_next_bit.part.0+0xe0/0x110 [ 64.065337] [<00000000faa995c5>] __alloc_pages_nodemask+0x930/0x1a80 [ 64.065344] [<000000004300f0d8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 64.065353] [<00000000f4eb3711>] ? page_cache_prev_hole+0x80/0x80 [ 64.065359] [<0000000047a6f1f1>] ? find_get_entry+0x2a9/0x510 [ 64.065366] [<000000006c239787>] ? find_get_entry+0x2d0/0x510 [ 64.065373] [<00000000f4eb3711>] ? page_cache_prev_hole+0x80/0x80 [ 64.065381] [<000000003281f610>] pagecache_get_page+0x248/0x740 [ 64.065388] [<0000000096e779eb>] filemap_fault+0xb1f/0x1360 [ 64.065396] [<00000000335bb6a5>] ext4_filemap_fault+0x72/0xa0 [ 64.065405] [<000000002a47bc98>] __do_fault+0x2a8/0x6c0 [ 64.065411] [<000000009c96577a>] ? do_page_mkwrite+0x400/0x400 [ 64.065419] [<0000000021de9159>] ? __vfs_read+0x11e/0x550 [ 64.065427] [<0000000032e01742>] ? generic_file_readonly_mmap+0x190/0x190 [ 64.065434] [<00000000bd3228fb>] handle_mm_fault+0x11bc/0x2420 [ 64.065442] [<00000000baf7cd25>] ? vm_insert_page+0x850/0x850 [ 64.065449] [<00000000feef9ed3>] ? vmacache_find+0x59/0x280 [ 64.065455] [<00000000d09b4174>] ? vmacache_update+0xfe/0x130 [ 64.065463] [<00000000b1bb598a>] __do_page_fault+0x3f0/0xa60 [ 64.065471] [<000000003d8b06f3>] ? bad_area_access_error+0x3d0/0x3d0 [ 64.065479] [<0000000060b7a013>] ? debug_locks_off+0x2e/0xa0 [ 64.065487] [<0000000089f3af72>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.065494] [<0000000084d10c09>] do_page_fault+0x28/0x30 [ 64.065502] [<00000000aef0bdee>] page_fault+0x25/0x30 [ 64.716922] CPU: 0 PID: 2063 Comm: getty Tainted: G W 4.9.183+ #4 [ 64.724275] ffff8801cf74f6f0 ffffffff81b580a1 ffff8801cf74fa48 ffffffff833f0b30 [ 64.732361] 0000000000000000 ffff8801cf74fa60 0000000000000000 ffff8801cf74f770 [ 64.741524] ffffffff815055db 0000000000000000 0000000000000000 ffffffff8281a275 [ 64.749773] Call Trace: [ 64.752353] [<00000000403610bb>] dump_stack+0xc1/0x120 [ 64.757716] [<0000000053a9a77d>] dump_header.isra.0+0x142/0x74c [ 64.763857] [<000000006f457082>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 64.770780] [<0000000024fa3a45>] ? ___ratelimit+0x55/0x413 [ 64.776484] [<00000000580e6ac5>] oom_kill_process.cold+0xd/0xa74 [ 64.782719] [<000000000a57e2e6>] ? has_capability_noaudit+0x25/0x30 [ 64.789209] [<000000002589034d>] ? oom_badness.part.0+0x11d/0x600 [ 64.795524] [<00000000d22bccda>] ? oom_badness.part.0+0x12f/0x600 [ 64.801843] [<0000000007ab3def>] ? out_of_memory+0x6bc/0xeb0 [ 64.807736] [<000000000458e42a>] out_of_memory+0x29b/0xeb0 [ 64.813445] [<00000000770436d7>] ? out_of_memory+0x405/0xeb0 [ 64.819310] [<000000001310f8b5>] ? oom_killer_disable+0x210/0x210 [ 64.825607] [<00000000f90b0f6c>] ? trace_hardirqs_on+0xd/0x10 [ 64.831995] [<000000001f2cccab>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 64.838811] [<00000000f53017fb>] __alloc_pages_nodemask+0x1730/0x1a80 [ 64.845460] [<000000004300f0d8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 64.852211] [<00000000f4eb3711>] ? page_cache_prev_hole+0x80/0x80 [ 64.858507] [<0000000047a6f1f1>] ? find_get_entry+0x2a9/0x510 [ 64.864453] [<000000006c239787>] ? find_get_entry+0x2d0/0x510 [ 64.870915] [<00000000f4eb3711>] ? page_cache_prev_hole+0x80/0x80 [ 64.877210] [<000000003281f610>] pagecache_get_page+0x248/0x740 [ 64.883335] [<0000000096e779eb>] filemap_fault+0xb1f/0x1360 [ 64.889111] [<00000000335bb6a5>] ext4_filemap_fault+0x72/0xa0 [ 64.895058] [<000000002a47bc98>] __do_fault+0x2a8/0x6c0 [ 64.900489] [<000000009c96577a>] ? do_page_mkwrite+0x400/0x400 [ 64.906528] [<0000000032e01742>] ? generic_file_readonly_mmap+0x190/0x190 [ 64.913519] [<00000000bd3228fb>] handle_mm_fault+0x11bc/0x2420 [ 64.919555] [<000000001ac30b90>] ? debug_object_free+0x1c9/0x340 [ 64.925763] [<00000000baf7cd25>] ? vm_insert_page+0x850/0x850 [ 64.931720] [<00000000feef9ed3>] ? vmacache_find+0x59/0x280 [ 64.937494] [<00000000d09b4174>] ? vmacache_update+0xfe/0x130 [ 64.943452] [<00000000b1bb598a>] __do_page_fault+0x3f0/0xa60 [ 64.949316] [<000000003d8b06f3>] ? bad_area_access_error+0x3d0/0x3d0 [ 64.955874] [<0000000089f3af72>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.962516] [<0000000084d10c09>] do_page_fault+0x28/0x30 [ 64.968031] [<00000000aef0bdee>] page_fault+0x25/0x30 [ 64.977656] Mem-Info: [ 64.980128] active_anon:3063 inactive_anon:41 isolated_anon:0 [ 64.980128] active_file:60 inactive_file:63 isolated_file:0 [ 64.980128] unevictable:0 dirty:1 writeback:0 unstable:0 [ 64.980128] slab_reclaimable:4265 slab_unreclaimable:56069 [ 64.980128] mapped:56 shmem:48 pagetables:292 bounce:0 [ 64.980128] free:6084 free_pcp:0 free_cma:0 [ 65.012379] Node 0 active_anon:12276kB inactive_anon:164kB active_file:356kB inactive_file:328kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:244kB dirty:4kB writeback:8kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:6747 all_unreclaimable? no [ 65.036666] DMA32 free:18680kB min:4696kB low:7712kB high:10728kB active_anon:56kB inactive_anon:0kB active_file:72kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:180kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 65.067642] lowmemorykiller: Killing 'syz-executor626' (2077) (tgid 2077), adj 1000, [ 65.067642] to free 48kB on behalf of 'syz-executor626' (2083) because [ 65.067642] cache 436kB is below limit 6144kB for oom_score_adj 0 [ 65.067642] Free memory is -13368kB above reserved [ 65.067647] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 65.067650] in_atomic(): 0, irqs_disabled(): 0, pid: 2083, name: syz-executor626 [ 65.067652] INFO: lockdep is turned off. [ 65.067667] Preemption disabled at: [ 65.067668] [<0000000035493d85>] get_task_mm+0x20/0xc0 [ 65.067676] CPU: 1 PID: 2083 Comm: syz-executor626 Tainted: G W 4.9.183+ #4 [ 65.067690] ffff8801c386f2d0 ffffffff81b580a1 0000000000000000 0000000000000001 [ 65.067698] ffff8801c38c8000 ffffffff810d0ca0 ffff8801c38c8000 ffff8801c386f308 [ 65.067706] ffffffff8140040c ffff8801c38c8000 ffffffff82a39900 0000000000000387 [ 65.067708] Call Trace: [ 65.067718] [<00000000403610bb>] dump_stack+0xc1/0x120 [ 65.067725] [<0000000035493d85>] ? get_task_mm+0x20/0xc0 [ 65.067735] [<00000000900c0c57>] ___might_sleep.cold+0x1c1/0x1fa [ 65.067745] [<0000000014ea8c1e>] __might_sleep+0x95/0x1a0 [ 65.067752] [<000000005631e90f>] mmput+0x28/0x370 [ 65.067762] [<000000009def10b0>] handle_lmk_event+0xea/0x8a0 [ 65.067769] [<00000000e3177d84>] lowmem_scan+0x695/0xb50 [ 65.067780] [<00000000a6fbb298>] shrink_slab.part.0+0x3cf/0xa20 [ 65.067788] [<00000000ed5c9190>] ? unregister_shrinker+0x230/0x230 [ 65.067797] [<0000000009ba80a1>] shrink_node+0x1ed/0x750 [ 65.067805] [<00000000e90c0316>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 65.067814] [<00000000b9ef3a38>] ? __delayacct_freepages_start+0x41/0x80 [ 65.067822] [<000000009cc11bca>] try_to_free_pages+0x397/0xbd0 [ 65.067830] [<0000000017ddfb6b>] ? shrink_node+0x750/0x750 [ 65.067837] [<00000000faa995c5>] __alloc_pages_nodemask+0x930/0x1a80 [ 65.067845] [<00000000834c1381>] ? schedule+0x9c/0x1c0 [ 65.067852] [<00000000572b8933>] ? trace_hardirqs_on+0x10/0x10 [ 65.067859] [<000000004300f0d8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 65.067866] [<00000000572b8933>] ? trace_hardirqs_on+0x10/0x10 [ 65.067875] [<000000003acc35ea>] ? __radix_tree_lookup+0x183/0x220 [ 65.067883] [<00000000e9d0d7ae>] ? __do_page_cache_readahead+0x1ca/0x880 [ 65.067890] [<00000000650519cd>] __do_page_cache_readahead+0x21d/0x880 [ 65.067948] [<00000000cec61a14>] ? __do_page_cache_readahead+0x340/0x880 [ 65.067955] [<000000007e6f9c53>] ? read_cache_pages+0x5e0/0x5e0 [ 65.067961] [<000000006c239787>] ? find_get_entry+0x2d0/0x510 [ 65.067969] [<00000000e92bb206>] ? maybe_unlock_mmap_for_io.isra.0.part.0+0x59/0x80 [ 65.067977] [<000000002559888a>] filemap_fault+0xd7f/0x1360 [ 65.067986] [<00000000335bb6a5>] ext4_filemap_fault+0x72/0xa0 [ 65.067994] [<000000002a47bc98>] __do_fault+0x2a8/0x6c0 [ 65.068001] [<000000009c96577a>] ? do_page_mkwrite+0x400/0x400 [ 65.068008] [<0000000034c90acf>] ? handle_mm_fault+0x1896/0x2420 [ 65.068016] [<0000000032e01742>] ? generic_file_readonly_mmap+0x190/0x190 [ 65.068023] [<00000000bd3228fb>] handle_mm_fault+0x11bc/0x2420 [ 65.068031] [<00000000baf7cd25>] ? vm_insert_page+0x850/0x850 [ 65.068037] [<00000000feef9ed3>] ? vmacache_find+0x59/0x280 [ 65.068045] [<00000000b1bb598a>] __do_page_fault+0x3f0/0xa60 [ 65.068052] [<000000003d8b06f3>] ? bad_area_access_error+0x3d0/0x3d0 [ 65.068061] [<000000008fc338ba>] ? SyS_setpgid+0x77/0x6c0 [ 65.068070] [<0000000089f3af72>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.068077] [<0000000084d10c09>] do_page_fault+0x28/0x30 [ 65.068085] [<00000000aef0bdee>] page_fault+0x25/0x30 [ 65.506951] lowmem_reserve[]: 0 3505 3505 [ 65.514042] Normal free:5484kB min:5580kB low:9168kB high:12756kB active_anon:12220kB inactive_anon:164kB active_file:0kB inactive_file:120kB unevictable:0kB writepending:4kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17076kB slab_unreclaimable:224044kB kernel_stack:3296kB pagetables:1168kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 65.551958] lowmem_reserve[]: 0 0 0 [ 65.556065] DMA32: 1*4kB (U) 1*8kB (M) 11*16kB (M) 5*32kB (UM) 8*64kB (UM) 3*128kB (UM) 4*256kB (UM) 6*512kB (UM) 7*1024kB (UM) 3*2048kB (U) 0*4096kB = 18652kB [ 65.578760] Normal: 423*4kB (UMH) 134*8kB (UMH) 38*16kB (MH) 32*32kB (UMH) 13*64kB (UMH) 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5484kB 80 total pagecache pages [ 65.602686] 0 pages in swap cache [ 65.606117] Swap cache stats: add 0, delete 0, find 0/0 [ 65.615805] Free swap = 0kB [ 65.618938] Total swap = 0kB [ 65.621931] 1965979 pages RAM [ 65.625006] 0 pages HighMem/MovableOnly [ 65.634434] 313625 pages reserved [ 65.637992] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 65.646728] [ 470] 0 470 5384 177 16 3 0 -1000 udevd [ 65.658800] [ 588] 0 588 5377 177 15 3 0 -1000 udevd [ 65.668629] [ 589] 0 589 5382 178 15 3 0 -1000 udevd [ 65.677357] [ 1765] 0 1765 2492 573 9 3 0 0 dhclient [ 65.691866] [ 1898] 0 1898 14264 152 24 3 0 0 rsyslogd [ 65.700875] [ 1953] 0 1953 4724 50 15 3 0 0 cron [ 65.712906] [ 1971] 0 1971 3734 44 11 3 0 0 mcstransd [ 65.724218] [ 1973] 0 1973 12926 1227 27 3 0 0 restorecond [ 65.740038] [ 1999] 0 1999 12489 152 27 3 0 -1000 sshd [ 65.749939] [ 2029] 0 2029 3648 41 13 3 0 0 getty [ 65.763041] [ 2063] 0 2063 3648 42 13 3 0 0 getty [ 65.773860] [ 2066] 0 2066 17820 197 39 3 0 0 sshd [ 65.784727] [ 2068] 0 2068 4381 1 4 2 0 0 syz-executor626 [ 65.796516] [ 2069] 0 2069 4381 12 4 2 0 0 syz-executor626 [ 65.810500] [ 2070] 0 2070 4380 13 4 2 0 0 syz-executor626 [ 65.823845] [ 2071] 0 2071 4380 13 4 2 0 0 syz-executor626 [ 65.836712] [ 2073] 0 2073 4380 13 4 2 0 0 syz-executor626 [ 65.850972] [ 2075] 0 2075 4380 13 4 2 0 0 syz-executor626 [ 65.860640] [ 2076] 0 2076 4380 13 4 2 0 0 syz-executor626 [ 65.874539] [ 2077] 0 2077 4381 12 5 2 0 1000 syz-executor626 [ 65.885498] [ 2078] 0 2078 4381 12 5 2 0 1000 syz-executor626 [ 65.896523] [ 2079] 0 2079 4381 12 5 2 0 1000 syz-executor626 [ 65.907370] [ 2080] 0 2080 4381 12 5 2 0 1000 syz-executor626 [ 65.922715] [ 2082] 0 2082 4381 12 5 2 0 1000 syz-executor626 [ 65.933626] [ 2083] 0 2083 4380 13 4 2 0 0 syz-executor626 [ 65.945462] Out of memory: Kill process 2077 (syz-executor626) score 999 or sacrifice child [ 65.954096] Killed process 2077 (syz-executor626) total-vm:17524kB, anon-rss:48kB, file-rss:0kB, shmem-rss:0kB [ 65.975004] syz-executor626: [ 65.988498] syz-executor626: [ 65.988505] vmalloc: allocation failure, allocated 1503842304 of 4294975488 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 65.988519] CPU: 0 PID: 2079 Comm: syz-executor626 Tainted: G W 4.9.183+ #4 [ 65.988526] ffff8801ceb47a08 executing program [ 65.988528] ffffffff81b580a1 1ffff10039d68f43 dffffc0000000000 ffffffff82aaa940 [ 65.988539] 0000000000000000 0000000000400000 ffff8801ceb47b30 ffffffff81506893 [ 65.988550] 0000000041b58ab3 ffffffff82e3a0f8 ffffffff81430460Call Trace: [ 65.988572] [<00000000403610bb>] dump_stack+0xc1/0x120 [ 65.988581] [<00000000d9333dc6>] warn_alloc.cold+0x76/0x93 [ 65.988591] [<00000000d3d879c2>] ? zone_watermark_ok_safe+0x260/0x260 [ 65.988600] [<00000000af5b9233>] __vmalloc_node_range+0x3ff/0x610 [ 65.988610] [<000000004445d8b2>] ? xt_alloc_table_info+0xc8/0x100 [ 65.988617] [<000000007db1fc4d>] vmalloc+0x5c/0x70 [ 65.988624] [<000000004445d8b2>] ? xt_alloc_table_info+0xc8/0x100 [ 65.988632] [<000000004445d8b2>] xt_alloc_table_info+0xc8/0x100 [ 65.988642] [<00000000c2508467>] do_ip6t_set_ctl+0x231/0x480 [ 65.988650] [<00000000a47f10b2>] ? compat_do_ip6t_set_ctl+0x150/0x150 [ 65.988660] [<000000004de969ae>] ? mutex_unlock+0x9/0x10 [ 65.988668] [<00000000212d6522>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 65.988676] [<000000000574e3c8>] nf_setsockopt+0x6d/0xc0 Connection to 10.128.1.14 closed by remote host. [