[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 11.001104] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 14.714884] random: sshd: uninitialized urandom read (32 bytes read) [ 14.822410] random: crng init done Warning: Permanently added '10.128.0.150' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 22.474353] lowmemorykiller: Killing 'syz-executor453' (2050) (tgid 2050), adj 1000, [ 22.474353] to free 48kB on behalf of 'kswapd0' (33) because [ 22.474353] cache 36508kB is below limit 65536kB for oom_score_adj 12 [ 22.474353] Free memory is -13160kB above reserved [ 22.507670] lowmemorykiller: Killing 'syz-executor453' (2050) (tgid 2050), adj 1000, [ 22.507670] to free 48kB on behalf of 'syz-executor453' (2055) because [ 22.507670] cache 33972kB is below limit 65536kB for oom_score_adj 12 [ 22.507670] Free memory is -13468kB above reserved [ 22.507703] [ 22.507705] ================================= [ 22.507707] [ INFO: inconsistent lock state ] [ 22.507712] 4.9.190+ #5 Not tainted [ 22.507714] --------------------------------- [ 22.507717] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 22.507723] syz-executor453/2055 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 22.507742] (&mm->mmap_sem){+++++?}, at: [<00000000c7d253e7>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 22.507754] mark_held_locks+0xb1/0x100 [ 22.507759] lockdep_trace_alloc+0x18c/0x2b0 [ 22.507766] __alloc_pages_nodemask+0x143/0x1a80 [ 22.507772] __pmd_alloc+0x4a/0x330 [ 22.507780] move_page_tables+0xadb/0xd60 [ 22.507785] shift_arg_pages+0x1ae/0x470 [ 22.507791] setup_arg_pages+0x60d/0x7c0 [ 22.507799] load_elf_binary+0xa84/0x4a90 [ 22.507804] search_binary_handler+0x14f/0x700 [ 22.507809] do_execveat_common.isra.0+0xf81/0x1db0 [ 22.507813] do_execve+0x3a/0x50 [ 22.507821] run_init_process+0x33/0x37 [ 22.507828] try_to_run_init_process+0x18/0x48 [ 22.507836] kernel_init+0xf2/0x163 [ 22.507841] ret_from_fork+0x5c/0x70 [ 22.507844] irq event stamp: 560125 [ 22.507852] hardirqs last enabled at (560125): [<0000000082e0186d>] vprintk_emit+0x25c/0x6f0 [ 22.507858] hardirqs last disabled at (560124): [<00000000cce80318>] vprintk_emit+0x6d/0x6f0 [ 22.507868] softirqs last enabled at (273928): [<000000007b2366b0>] __do_softirq+0x474/0x964 [ 22.507876] softirqs last disabled at (273921): [<0000000015f4ef23>] irq_exit+0x119/0x160 [ 22.507877] [ 22.507877] other info that might help us debug this: [ 22.507879] Possible unsafe locking scenario: [ 22.507879] [ 22.507880] CPU0 [ 22.507881] ---- [ 22.507885] lock(&mm->mmap_sem); [ 22.507887] [ 22.507891] lock(&mm->mmap_sem); [ 22.507892] [ 22.507892] *** DEADLOCK *** [ 22.507892] [ 22.507896] 1 lock held by syz-executor453/2055: [ 22.507911] #0: (shrinker_rwsem){++++..}, at: [<000000004ca3ee1d>] shrink_slab.part.0+0xb2/0xa20 [ 22.507913] [ 22.507913] stack backtrace: [ 22.507919] CPU: 1 PID: 2055 Comm: syz-executor453 Not tainted 4.9.190+ #5 [ 22.507931] ffff8801cf11f070 ffffffff81b65c51 00000000000000f0 ffff8801d1862f80 [ 22.507940] ffffffff83caf950 ffff8801d1863878 ffffffff84250fc0 ffff8801cf11f0e8 [ 22.507949] ffffffff81408380 0000000000000000 ffffffff00000001 0000000000000001 [ 22.507950] Call Trace: [ 22.507961] [<00000000bafb2bb5>] dump_stack+0xc1/0x120 [ 22.507970] [<000000001d6f8e95>] print_usage_bug.cold+0x452/0x5a2 [ 22.507978] [<000000005b6c6366>] mark_lock+0x6c7/0x12e0 [ 22.507985] [<00000000535075e6>] ? print_irq_inversion_bug+0xa0/0xa0 [ 22.507992] [<0000000034700fa9>] __lock_acquire+0x5be/0x4390 [ 22.508000] [<0000000060537c68>] ? trace_hardirqs_on+0x10/0x10 [ 22.508006] [<0000000060537c68>] ? trace_hardirqs_on+0x10/0x10 [ 22.508014] [<000000008d46299d>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 22.508021] [<000000007800aa4f>] lock_acquire+0x133/0x3d0 [ 22.508027] [<00000000c7d253e7>] ? get_cmdline+0xa3/0x2d0 [ 22.508033] [<00000000d8e7dc67>] down_read+0x44/0xb0 [ 22.508039] [<00000000c7d253e7>] ? get_cmdline+0xa3/0x2d0 [ 22.508045] [<00000000c7d253e7>] get_cmdline+0xa3/0x2d0 [ 22.508054] [<0000000024a46c49>] handle_lmk_event+0x169/0x920 [ 22.508061] [<00000000b105125e>] ? lmk_event_show+0x390/0x390 [ 22.508067] [<00000000b14f825e>] ? vprintk+0x28/0x30 [ 22.508074] [<000000008d46299d>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 22.508082] [<00000000acc7c24a>] ? kill_pid_info_as_cred+0x540/0x540 [ 22.508091] [<000000005f394bd4>] ? check_preemption_disabled+0x3c/0x200 [ 22.508097] [<000000005f394bd4>] ? check_preemption_disabled+0x3c/0x200 [ 22.508104] [<000000005f394bd4>] ? check_preemption_disabled+0x3c/0x200 [ 22.508111] [<00000000aef6926c>] ? lowmem_scan+0x6ae/0xb70 [ 22.508118] [<00000000b8e2d727>] lowmem_scan+0x6f3/0xb70 [ 22.508126] [<00000000f4b31cd4>] shrink_slab.part.0+0x3cf/0xa20 [ 22.508135] [<000000005959e618>] ? unregister_shrinker+0x230/0x230 [ 22.508143] [<00000000850afbc0>] shrink_node+0x1ed/0x750 [ 22.508150] [<00000000e89c9609>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 22.508159] [<000000006bc264fa>] ? __delayacct_freepages_start+0x41/0x80 [ 22.508172] [<00000000eed8a985>] try_to_free_pages+0x397/0xbd0 [ 22.508180] [<00000000469173b0>] ? shrink_node+0x750/0x750 [ 22.508188] [<00000000ef7bc9ee>] __alloc_pages_nodemask+0x930/0x1a80 [ 22.508196] [<00000000559b62e0>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 22.508204] [<000000002190e6d7>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 22.508211] [<0000000016e7a04d>] ? retint_kernel+0x2d/0x2d [ 22.508220] [<000000004f3b4ff8>] __vmalloc_node_range+0x25b/0x610 [ 22.508229] [<000000009573a016>] ? xt_alloc_table_info+0xc8/0x100 [ 22.508236] [<00000000d288a766>] vmalloc+0x5c/0x70 [ 22.508244] [<000000009573a016>] ? xt_alloc_table_info+0xc8/0x100 [ 22.508251] [<000000009573a016>] xt_alloc_table_info+0xc8/0x100 [ 22.508258] [<00000000d0bc43d6>] do_ipt_set_ctl+0x231/0x470 [ 22.508265] [<000000006f336e7b>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 22.508272] [<000000007b6a7bb0>] ? mutex_unlock+0x9/0x10 [ 22.508281] [<000000002a55f8a8>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 22.508289] [<0000000062076a6c>] nf_setsockopt+0x6d/0xc0 [ 22.508297] [<00000000eda74df4>] ip_setsockopt+0x8a/0xa0 [ 22.508305] [<00000000c031895a>] udp_setsockopt+0x4e/0x90 [ 22.508313] [<0000000007df589f>] sock_common_setsockopt+0x9a/0xe0 [ 22.508321] [<00000000239a3a7e>] SyS_setsockopt+0x159/0x240 [ 22.508328] [<0000000007b941c3>] ? SyS_recv+0x40/0x40 [ 22.508336] [<00000000bd9481fb>] ? __do_page_fault+0x545/0xa60 [ 22.508342] [<00000000ac7fb29f>] ? do_syscall_64+0x4a/0x5c0 [ 22.508349] [<0000000007b941c3>] ? SyS_recv+0x40/0x40 [ 22.508353] [<000000004b113924>] do_syscall_64+0x1ad/0x5c0 [ 22.508365] [<000000003e950e1a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 23.329641] oom_reaper: reaped process 2050 (syz-executor453), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 23.349696] syz-executor453: vmalloc: allocation failure, allocated 1285128192 of 3993182208 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 23.349704] CPU: 0 PID: 2050 Comm: syz-executor453 Not tainted 4.9.190+ #5 [ 23.349718] ffff8801cf18fa10 ffffffff81b65c51 1ffff10039e31f44 dffffc0000000000 [ 23.349728] ffffffff82aab280 0000000000000000 0000000000400000 ffff8801cf18fb38 [ 23.349738] ffffffff81507d6c 0000000041b58ab3 ffffffff82e3b320 ffffffff81431970 [ 23.349739] Call Trace: [ 23.349753] [<00000000bafb2bb5>] dump_stack+0xc1/0x120 [ 23.349764] [<00000000b2ca73c7>] warn_alloc.cold+0x76/0x93 [ 23.349772] [<0000000013138732>] ? zone_watermark_ok_safe+0x260/0x260 [ 23.349782] [<00000000559b62e0>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.349793] [<000000005f394bd4>] ? check_preemption_disabled+0x3c/0x200 [ 23.349802] [<000000007c714b26>] __vmalloc_node_range+0x404/0x610 [ 23.349812] [<000000009573a016>] ? xt_alloc_table_info+0xc8/0x100 [ 23.349819] [<00000000d288a766>] vmalloc+0x5c/0x70 [ 23.349826] [<000000009573a016>] ? xt_alloc_table_info+0xc8/0x100 [ 23.349834] [<000000009573a016>] xt_alloc_table_info+0xc8/0x100 [ 23.349841] [<00000000d0bc43d6>] do_ipt_set_ctl+0x231/0x470 [ 23.349849] [<000000006f336e7b>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 23.349857] [<000000007b6a7bb0>] ? mutex_unlock+0x9/0x10 [ 23.349866] [<000000002a55f8a8>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 23.349874] [<0000000062076a6c>] nf_setsockopt+0x6d/0xc0 [ 23.349881] [<00000000eda74df4>] ip_setsockopt+0x8a/0xa0 [ 23.349889] [<00000000c031895a>] udp_setsockopt+0x4e/0x90 [ 23.349898] [<0000000007df589f>] sock_common_setsockopt+0x9a/0xe0 [ 23.349905] [<00000000239a3a7e>] SyS_setsockopt+0x159/0x240 [ 23.349913] [<0000000007b941c3>] ? SyS_recv+0x40/0x40 [ 23.349920] [<00000000bd9481fb>] ? __do_page_fault+0x545/0xa60 [ 23.349927] [<00000000ac7fb29f>] ? do_syscall_64+0x4a/0x5c0 [ 23.349934] [<0000000007b941c3>] ? SyS_recv+0x40/0x40 [ 23.349940] [<000000004b113924>] do_syscall_64+0x1ad/0x5c0 [ 23.349948] [<000000003e950e1a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 23.349951] Mem-Info: [ 23.349967] active_anon:3598 inactive_anon:40 isolated_anon:0 [ 23.349967] active_file:3 inactive_file:11 isolated_file:0 [ 23.349967] unevictable:0 dirty:0 writeback:0 unstable:0 [ 23.349967] slab_reclaimable:4255 slab_unreclaimable:56262 [ 23.349967] mapped:13 shmem:48 pagetables:359 bounce:0 [ 23.349967] free:508 free_pcp:7 free_cma:0 [ 23.349980] Node 0 active_anon:14392kB inactive_anon:160kB active_file:12kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 23.349997] DMA32 free:4kB 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 [ 23.350022] Normal free:2028kB min:5580kB low:9168kB high:12756kB active_anon:14392kB inactive_anon:160kB active_file:12kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17020kB slab_unreclaimable:225048kB kernel_stack:3456kB pagetables:1436kB bounce:0kB free_pcp:28kB local_pcp:28kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 23.350054] 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: 61*4kB (H) 29*8kB (H) 10*16kB (H) 6*32kB (H) 4*64kB (H) 3*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 1980kB 87 total pagecache pages [ 23.350095] 0 pages in swap cache [ 23.350099] Swap cache stats: add 0, delete 0, find 0/0 [ 23.350101] Free swap = 0kB [ 23.350103] Total swap = 0kB [ 23.350105] 1965979 pages RAM [ 23.350107] 0 pages HighMem/MovableOnly [ 23.350109] 313625 pages reserved [ 24.001440] syz-executor453 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 24.059590] CPU: 1 PID: 2058 Comm: syz-executor453 Not tainted 4.9.190+ #5 [ 24.067243] ffff8801c5217738 ffffffff81b65c51 ffff8801c5217a90 ffffffff833f1470 [ 24.075334] 00000000000003e8 ffff8801c5217aa8 0000000000000000 ffff8801c52177b8 [ 24.083548] ffffffff81506ab4 0000000000000000 00000000000003e8 ffffffff82828dc5 [ 24.091647] Call Trace: [ 24.094323] [<00000000bafb2bb5>] dump_stack+0xc1/0x120 [ 24.099691] [<00000000d6399330>] dump_header.isra.0+0x142/0x74c [ 24.105844] [<000000002df9b252>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 24.112798] [<000000004e00aa9f>] ? ___ratelimit+0x55/0x413 [ 24.118606] [<00000000ad675666>] oom_kill_process.cold+0xd/0xa74 [ 24.125167] [<000000003a4f433f>] ? has_capability_noaudit+0x25/0x30 [ 24.132026] [<00000000cac2f4f2>] ? oom_badness.part.0+0x11d/0x600 [ 24.138621] [<000000009e9cd0dc>] ? oom_badness.part.0+0x12f/0x600 [ 24.145145] [<000000006338b4cb>] ? out_of_memory+0x6d3/0xea0 [ 24.151148] [<00000000a85302db>] out_of_memory+0x29b/0xea0 [ 24.156891] [<00000000f6dbeb93>] ? out_of_memory+0x41c/0xea0 [ 24.162783] [<00000000f8d457bc>] ? oom_killer_disable+0x210/0x210 [ 24.169453] [<000000004956ad08>] ? trace_hardirqs_on+0xd/0x10 [ 24.175611] [<00000000901f4cf2>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 24.182842] [<000000009b08fc8b>] __alloc_pages_nodemask+0x1730/0x1a80 [ 24.189524] [<000000002190e6d7>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 24.196367] [<00000000559b62e0>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.207776] [<000000004f3b4ff8>] __vmalloc_node_range+0x25b/0x610 [ 24.214282] [<000000009573a016>] ? xt_alloc_table_info+0xc8/0x100 [ 24.220832] [<00000000d288a766>] vmalloc+0x5c/0x70 [ 24.226922] [<000000009573a016>] ? xt_alloc_table_info+0xc8/0x100 [ 24.233609] [<000000009573a016>] xt_alloc_table_info+0xc8/0x100 [ 24.240280] [<00000000d0bc43d6>] do_ipt_set_ctl+0x231/0x470 [ 24.246167] [<000000006f336e7b>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 24.252966] [<000000007b6a7bb0>] ? mutex_unlock+0x9/0x10 [ 24.258506] [<000000002a55f8a8>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 24.265611] [<0000000062076a6c>] nf_setsockopt+0x6d/0xc0 [ 24.271154] [<00000000eda74df4>] ip_setsockopt+0x8a/0xa0 [ 24.276790] [<00000000c031895a>] udp_setsockopt+0x4e/0x90 [ 24.282561] [<0000000007df589f>] sock_common_setsockopt+0x9a/0xe0 [ 24.289388] [<00000000239a3a7e>] SyS_setsockopt+0x159/0x240 [ 24.295364] [<0000000007b941c3>] ? SyS_recv+0x40/0x40 [ 24.300649] [<00000000bd9481fb>] ? __do_page_fault+0x545/0xa60 [ 24.306716] [<00000000ac7fb29f>] ? do_syscall_64+0x4a/0x5c0 [ 24.311082] lowmemorykiller: Killing 'syz-executor453' (2055) (tgid 2055), adj 1000, [ 24.311082] to free 48kB on behalf of 'kswapd0' (33) because [ 24.311082] cache 260kB is below limit 6144kB for oom_score_adj 0 [ 24.311082] Free memory is -6696kB above reserved [ 24.338899] [<0000000007b941c3>] ? SyS_recv+0x40/0x40 [ 24.344413] [<000000004b113924>] do_syscall_64+0x1ad/0x5c0 [ 24.350522] [<000000003e950e1a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 24.360632] Mem-Info: [ 24.366089] active_anon:3591 inactive_anon:40 isolated_anon:0 [ 24.366089] active_file:35 inactive_file:35 isolated_file:0 [ 24.366089] unevictable:0 dirty:0 writeback:0 unstable:0 [ 24.366089] slab_reclaimable:4256 slab_unreclaimable:56268 [ 24.366089] mapped:2 shmem:48 pagetables:354 bounce:0 [ 24.366089] free:6225 free_pcp:0 free_cma:0 [ 24.433724] Node 0 active_anon:14364kB inactive_anon:160kB active_file:12kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:11 all_unreclaimable? no [ 24.463385] DMA32 free:18716kB 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 [ 24.496366] lowmem_reserve[]: 0 3505 3505 [ 24.501085] Normal free:5492kB min:5580kB low:9168kB high:12756kB active_anon:14364kB inactive_anon:160kB active_file:24kB inactive_file:180kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17024kB slab_unreclaimable:225088kB kernel_stack:3424kB pagetables:1416kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 24.536058] lowmem_reserve[]: 0 0 0 [ 24.544398] DMA32: 1*4kB (M) 3*8kB (M) 1*16kB (M) 1*32kB (M) 1*64kB (U) 3*128kB (UM) 3*256kB (UM) 0*512kB 1*1024kB (M) 2*2048kB (U) 3*4096kB (U) = 18700kB [ 24.575435] Normal: 263*4kB (MH) 114*8kB (MH) 52*16kB (UMH) 39*32kB (UMH) 7*64kB (UMH) 3*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5388kB 76 total pagecache pages [ 24.606043] 0 pages in swap cache [ 24.612914] Swap cache stats: add 0, delete 0, find 0/0 [ 24.618754] Free swap = 0kB [ 24.625704] Total swap = 0kB [ 24.628815] 1965979 pages RAM [ 24.634053] 0 pages HighMem/MovableOnly [ 24.638460] 313625 pages reserved [ 24.645366] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 24.654165] [ 470] 0 470 5384 177 16 3 0 -1000 udevd [ 24.666057] [ 591] 0 591 5746 537 16 3 0 -1000 udevd [ 24.674989] [ 592] 0 592 5383 177 15 3 0 -1000 udevd [ 24.687095] [ 1762] 0 1762 2492 572 10 3 0 0 dhclient [ 24.699349] [ 1895] 0 1895 14231 151 23 3 0 0 rsyslogd [ 24.711893] [ 1948] 0 1948 4724 52 15 3 0 0 cron [ 24.722499] [ 1968] 0 1968 3735 45 11 3 0 0 mcstransd [ 24.736450] [ 1970] 0 1970 12926 1227 28 3 0 0 restorecond [ 24.747703] [ 1996] 0 1996 12489 153 28 3 0 -1000 sshd [ 24.762972] [ 2026] 0 2026 3648 40 13 3 0 0 getty [ 24.775555] [ 2039] 0 2039 3648 43 12 3 0 0 getty [ 24.788994] [ 2040] 0 2040 3648 42 13 3 0 0 getty [ 24.805898] [ 2041] 0 2041 3648 42 13 3 0 0 getty [ 24.814935] [ 2042] 0 2042 3648 42 13 3 0 0 getty [ 24.831887] [ 2043] 0 2043 3648 42 13 3 0 0 getty [ 24.845488] [ 2044] 0 2044 3648 42 13 3 0 0 getty [ 24.857399] [ 2045] 0 2045 17820 197 39 3 0 0 sshd [ 24.872912] [ 2047] 0 2047 4380 1 4 2 0 0 syz-executor453 [ 24.884396] [ 2048] 0 2048 4380 12 4 2 0 0 syz-executor453 [ 24.900712] [ 2049] 0 2049 4380 12 4 2 0 0 syz-executor453 [ 24.915204] [ 2051] 0 2051 4380 12 4 2 0 0 syz-executor453 [ 24.926441] [ 2052] 0 2052 4380 12 4 2 0 0 syz-executor453 [ 24.942460] [ 2053] 0 2053 4380 12 4 2 0 0 syz-executor453 [ 24.955508] [ 2054] 0 2054 4380 12 4 2 0 0 syz-executor453 [ 24.971538] [ 2055] 0 2055 4380 12 5 2 0 1000 syz-executor453 [ 24.984442] [ 2056] 0 2056 4380 12 5 2 0 1000 syz-executor453 [ 24.996041] [ 2057] 0 2057 4380 12 5 2 0 1000 syz-executor453 [ 25.008266] [ 2058] 0 2058 4380 12 5 2 0 1000 syz-executor453 [ 25.026291] [ 2059] 0 2059 4380 12 5 2 0 1000 syz-executor453 [ 25.036140] Out of memory: Kill process 2055 (syz-executor453) score 999 or sacrifice child [ 25.050141] Killed process 2055 (syz-executor453) total-vm:17520kB, anon-rss:48kB, file-rss:0kB, shmem-rss:0kB [ 25.076995] syz-executor453: [ 25.084379] oom_reaper: reaped process 2055 (syz-executor453), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 25.084948] rsyslogd invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 [ 25.084956] CPU: 1 PID: 1898 Comm: rsyslogd Not tainted 4.9.190+ #5 [ 25.084962] ffff8801d3e6f6f0 [ 25.084965] ffffffff81b65c51 ffff8801d3e6fa48 ffffffff833f1470 0000000000000000 [ 25.084976] ffff8801d3e6fa60 0000000000000000 ffff8801d3e6f770 ffffffff81506ab4 [ 25.084986] 0000000000000000 0000000000000000 ffffffff82828dc5Call Trace: [ 25.085008] [<00000000bafb2bb5>] dump_stack+0xc1/0x120 [ 25.085019] [<00000000d6399330>] dump_header.isra.0+0x142/0x74c [ 25.085028] [<000000002df9b252>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 25.085036] [<000000004e00aa9f>] ? ___ratelimit+0x55/0x413 [ 25.085044] [<00000000ad675666>] oom_kill_process.cold+0xd/0xa74 [ 25.085053] [<000000003a4f433f>] ? has_capability_noaudit+0x25/0x30 [ 25.085062] [<00000000cac2f4f2>] ? oom_badness.part.0+0x11d/0x600 [ 25.085070] [<000000009e9cd0dc>] ? oom_badness.part.0+0x12f/0x600 [ 25.085077] [<000000006338b4cb>] ? out_of_memory+0x6d3/0xea0 [ 25.085085] [<00000000a85302db>] out_of_memory+0x29b/0xea0 [ 25.085092] [<00000000f6dbeb93>] ? out_of_memory+0x41c/0xea0 [ 25.085100] [<00000000f8d457bc>] ? oom_killer_disable+0x210/0x210 [ 25.085109] [<000000004956ad08>] ? trace_hardirqs_on+0xd/0x10 [ 25.085116] [<00000000901f4cf2>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 25.085123] [<000000009b08fc8b>] __alloc_pages_nodemask+0x1730/0x1a80 [ 25.085131] [<000000002190e6d7>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 25.085139] [<0000000085a49c60>] ? page_cache_prev_hole+0x80/0x80 [ 25.085146] [<00000000557ff5f1>] ? find_get_entry+0x2a9/0x510 [ 25.085153] [<000000001e40445a>] ? find_get_entry+0x2d0/0x510 [ 25.085160] [<0000000085a49c60>] ? page_cache_prev_hole+0x80/0x80 [ 25.085168] [<0000000025830783>] pagecache_get_page+0x248/0x740 [ 25.085175] [<00000000e46c05e1>] filemap_fault+0xb1f/0x1360 Connection to 10.128.0.150 closed by remote host. [ 25.085184] [<00000