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[ 11.472426] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 11.973600] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.94' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 35.253905] lowmemorykiller: Killing 'syz-executor919' (2056) (tgid 2056), adj 1000, [ 35.253905] to free 44kB on behalf of 'kswapd0' (33) because [ 35.253905] cache 36396kB is below limit 65536kB for oom_score_adj 12 [ 35.253905] Free memory is -13320kB above reserved [ 35.258106] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 35.259658] in_atomic(): 0, irqs_disabled(): 0, pid: 33, name: kswapd0 [ 35.290908] 2 locks held by kswapd0/33: [ 35.311708] #0: (shrinker_rwsem){++++..}, at: [<00000000add382fa>] shrink_slab.part.0+0xb2/0xa20 [ 35.355853] #1: (rcu_read_lock){......}, at: [<0000000033f3da05>] lowmem_scan+0x242/0xb50 [ 35.393880] Preemption disabled at:[ 35.409502] [<0000000028547d64>] get_task_mm+0x20/0xc0 [ 35.431744] CPU: 0 PID: 33 Comm: kswapd0 Not tainted 4.9.187+ #16 [ 35.438188] ffff8801d840f7c0 ffffffff81b64701 0000000000000000 0000000000000001 [ 35.446212] ffff8801d992c740 ffffffff810d0d10 ffff8801d992c740 ffff8801d840f7f8 [ 35.454223] ffffffff814005fc ffff8801d992c740 ffffffff82a39940 0000000000000387 [ 35.462511] Call Trace: [ 35.465084] [<000000008ff5125d>] dump_stack+0xc1/0x120 [ 35.470430] [<0000000028547d64>] ? get_task_mm+0x20/0xc0 [ 35.475944] [<00000000b04802a3>] ___might_sleep.cold+0x1c1/0x1fa [ 35.482154] [<000000009e421822>] __might_sleep+0x95/0x1a0 [ 35.487759] [<00000000a18e009b>] mmput+0x28/0x370 [ 35.492678] [<00000000efe0913f>] handle_lmk_event+0xea/0x8a0 [ 35.498542] [<0000000036f50fab>] lowmem_scan+0x695/0xb50 [ 35.504150] [<00000000f1aba7ea>] shrink_slab.part.0+0x3cf/0xa20 [ 35.510279] [<00000000d3bf7a32>] ? unregister_shrinker+0x230/0x230 [ 35.516679] [<000000006ef99dd5>] ? _raw_spin_unlock_irq+0x39/0x60 [ 35.522981] [<0000000044c050b3>] ? finish_task_switch+0x1e5/0x660 [ 35.529280] [<00000000e51bf9b4>] ? finish_task_switch+0x1b7/0x660 [ 35.535574] [<00000000ee3d2a0a>] ? __switch_to_asm+0x41/0x70 [ 35.541535] [<00000000f3e279b2>] shrink_node+0x1ed/0x750 [ 35.547138] [<00000000dcbf3d90>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 35.554128] [<00000000b29b948a>] kswapd+0x7f8/0x13b0 [ 35.559297] [<00000000a565e487>] ? try_to_free_pages+0xbd0/0xbd0 [ 35.565595] [<00000000c5e6957a>] ? autoremove_wake_function.part.0+0x130/0x130 [ 35.573020] [<000000004a4c2478>] ? __kthread_parkme+0x173/0x240 [ 35.579154] [<00000000a565e487>] ? try_to_free_pages+0xbd0/0xbd0 [ 35.585362] [<00000000514260da>] kthread+0x278/0x310 [ 35.590528] [<00000000c98948e2>] ? kthread_park+0xa0/0xa0 [ 35.596152] [<0000000087db8745>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 35.602885] [<000000006ef99dd5>] ? _raw_spin_unlock_irq+0x39/0x60 [ 35.609183] [<0000000044c050b3>] ? finish_task_switch+0x1e5/0x660 [ 35.615506] [<00000000e51bf9b4>] ? finish_task_switch+0x1b7/0x660 [ 35.621898] [<00000000ee3d2a0a>] ? __switch_to_asm+0x41/0x70 [ 35.627854] [<000000004b7412c0>] ? __switch_to_asm+0x35/0x70 [ 35.633713] [<00000000ee3d2a0a>] ? __switch_to_asm+0x41/0x70 [ 35.639575] [<00000000c98948e2>] ? kthread_park+0xa0/0xa0 [ 35.645192] [<00000000c98948e2>] ? kthread_park+0xa0/0xa0 [ 35.651147] [<00000000dd8a2a0c>] ret_from_fork+0x5c/0x70 [ 35.855109] syz-executor919: vmalloc: allocation failure, allocated 1182629888 of 4260122624 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 35.869879] CPU: 1 PID: 2056 Comm: syz-executor919 Not tainted 4.9.187+ #16 [ 35.876977] ffff8801ce627858 ffffffff81b64701 1ffff10039cc4f0d dffffc0000000000 [ 35.887147] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801ce627980 [ 35.895338] ffffffff81506a43 0000000041b58ab3 ffffffff82e3a738 ffffffff81430620 [ 35.903369] Call Trace: [ 35.905954] [<000000008ff5125d>] dump_stack+0xc1/0x120 [ 35.911311] [<0000000097a4faaf>] warn_alloc.cold+0x76/0x93 [ 35.917001] [<00000000ff15f5b5>] ? zone_watermark_ok_safe+0x260/0x260 [ 35.924706] [<000000007cac31e8>] __vmalloc_node_range+0x3ff/0x610 [ 35.931702] [<000000004b96c8c3>] ? xt_alloc_entry_offsets+0x44/0x50 [ 35.938869] [<00000000e2d20a20>] vmalloc+0x5c/0x70 [ 35.947488] [<000000004b96c8c3>] ? xt_alloc_entry_offsets+0x44/0x50 [ 35.953965] [<000000004b96c8c3>] xt_alloc_entry_offsets+0x44/0x50 [ 35.960360] [<0000000077b5a9bc>] translate_table+0x215/0x1650 [ 35.966342] [<0000000087db8745>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 35.973077] [<00000000ba743540>] ? compat_do_ipt_get_ctl+0x8c0/0x8c0 [ 35.979648] [<00000000add1ad85>] ? __check_object_size+0x252/0x38c [ 35.986120] [<000000003c4ffa6a>] do_ipt_set_ctl+0x2d4/0x470 [ 35.992592] [<00000000cf946c30>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 36.000498] [<000000003ea793db>] ? mutex_unlock+0x9/0x10 [ 36.006550] [<0000000002f52ec8>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 36.013633] [<000000009d9d93d8>] nf_setsockopt+0x6d/0xc0 [ 36.019171] [<0000000082b9dfbc>] ip_setsockopt+0x8a/0xa0 [ 36.025485] [<00000000a5512ea8>] udp_setsockopt+0x4e/0x90 [ 36.031362] [<000000009fb1b32c>] ipv6_setsockopt+0xa4/0x140 [ 36.037162] [<00000000cc11eff4>] tcp_setsockopt+0x8a/0xe0 [ 36.042853] [<00000000495aa3a1>] sock_common_setsockopt+0x9a/0xe0 [ 36.049422] [<00000000510b4852>] SyS_setsockopt+0x159/0x240 [ 36.055982] [<00000000060d3331>] ? SyS_recv+0x40/0x40 [ 36.061330] [<000000008bb9cb22>] ? __do_page_fault+0x545/0xa60 [ 36.068788] [<000000001ddeb02a>] ? do_syscall_64+0x4a/0x5c0 [ 36.083042] [<00000000060d3331>] ? SyS_recv+0x40/0x40 [ 36.088298] [<00000000ae3faf8a>] do_syscall_64+0x1ad/0x5c0 [ 36.094001] [<000000008f034838>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 36.101262] [ 36.101545] oom_reaper: reaped process 2056 (syz-executor919), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 36.101564] Mem-Info: [ 36.101580] active_anon:3227 inactive_anon:41 isolated_anon:0 [ 36.101580] active_file:21 inactive_file:11 isolated_file:0 [ 36.101580] unevictable:0 dirty:4 writeback:4 unstable:0 [ 36.101580] slab_reclaimable:4264 slab_unreclaimable:56566 [ 36.101580] mapped:27 shmem:48 pagetables:359 bounce:0 [ 36.101580] free:142 free_pcp:24 free_cma:0 [ 36.101592] Node 0 active_anon:12908kB inactive_anon:164kB active_file:84kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:108kB dirty:16kB writeback:16kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 36.101608] 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 [ 36.101631] Normal free:556kB min:5580kB low:9168kB high:12756kB active_anon:12908kB inactive_anon:164kB active_file:84kB inactive_file:44kB unevictable:0kB writepending:32kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17056kB slab_unreclaimable:226264kB kernel_stack:3456kB pagetables:1436kB bounce:0kB free_pcp:96kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 36.101661] 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 16*32kB (U) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 576kB 86 total pagecache pages [ 36.101694] 0 pages in swap cache [ 36.101697] Swap cache stats: add 0, delete 0, find 0/0 [ 36.101699] Free swap = 0kB [ 36.101701] Total swap = 0kB [ 36.101703] 1965979 pages RAM [ 36.101704] 0 pages HighMem/MovableOnly [ 36.101706] 313625 pages reserved [ 36.292348] ================================= [ 36.296931] [ INFO: inconsistent lock state ] [ 36.301423] 4.9.187+ #16 Tainted: G W [ 36.306348] --------------------------------- [ 36.310838] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 36.317809] kswapd0/33 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 36.323076] (&mm->mmap_sem){+++++?}, at: [<000000008a38e029>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 36.335525] mark_held_locks+0xb1/0x100 [ 36.339576] lockdep_trace_alloc+0x18c/0x2b0 [ 36.344951] __alloc_pages_nodemask+0x143/0x1a80 [ 36.350494] __pmd_alloc+0x4a/0x330 [ 36.354547] move_page_tables+0xadb/0xd60 [ 36.358949] shift_arg_pages+0x1ae/0x470 [ 36.363191] setup_arg_pages+0x60d/0x7c0 [ 36.367316] load_elf_binary+0xa84/0x4a90 [ 36.371701] search_binary_handler+0x14f/0x700 [ 36.376349] do_execveat_common.isra.0+0xf81/0x1db0 [ 36.381445] do_execve+0x3a/0x50 [ 36.384981] run_init_process+0x33/0x37 [ 36.389028] try_to_run_init_process+0x18/0x48 [ 36.394047] kernel_init+0xf2/0x163 [ 36.398007] ret_from_fork+0x5c/0x70 [ 36.401887] irq event stamp: 4441 [ 36.405337] hardirqs last enabled at (4441): [<00000000467b6174>] restore_regs_and_iret+0x0/0x1d [ 36.415036] hardirqs last disabled at (4440): [<0000000071e131a8>] preempt_schedule_irq+0x6a/0xa0 [ 36.424122] softirqs last enabled at (4436): [<00000000296a3168>] __do_softirq+0x474/0x964 [ 36.433106] softirqs last disabled at (4415): [<000000001f6a8adc>] irq_exit+0x119/0x160 [ 36.441783] [ 36.441783] other info that might help us debug this: [ 36.448608] Possible unsafe locking scenario: [ 36.448608] [ 36.454768] CPU0 [ 36.457417] ---- [ 36.459977] lock(&mm->mmap_sem); [ 36.464206] [ 36.466944] lock(&mm->mmap_sem); [ 36.470908] [ 36.470908] *** DEADLOCK *** [ 36.470908] [ 36.477035] 3 locks held by kswapd0/33: [ 36.480984] #0: (shrinker_rwsem){++++..}, at: [<00000000add382fa>] shrink_slab.part.0+0xb2/0xa20 [ 36.490624] #1: (rcu_read_lock){......}, at: [<0000000033f3da05>] lowmem_scan+0x242/0xb50 [ 36.500352] #2: (lmk_event_lock){+.+.-.}, at: [<000000006ad01930>] handle_lmk_event+0xfb/0x8a0 [ 36.509927] [ 36.509927] stack backtrace: [ 36.514410] CPU: 1 PID: 33 Comm: kswapd0 Tainted: G W 4.9.187+ #16 [ 36.521835] ffff8801d840f500 ffffffff81b64701 00000000000000f0 ffff8801d992c740 [ 36.530026] ffffffff83caf5b0 ffff8801d992d088 ffffffff84250f80 ffff8801d840f578 [ 36.538170] ffffffff81407039 0000000000000000 ffffffff00000001 0000000000000001 [ 36.546191] Call Trace: [ 36.548768] [<000000008ff5125d>] dump_stack+0xc1/0x120 [ 36.554218] [<00000000c70a3de6>] print_usage_bug.cold+0x452/0x5a2 [ 36.560516] [<00000000652255e8>] mark_lock+0x6c7/0x12e0 [ 36.566031] [<000000001543202b>] ? print_irq_inversion_bug+0xa0/0xa0 [ 36.572675] [<00000000a1f058b0>] __lock_acquire+0x5be/0x4390 [ 36.578541] [<0000000051d1b0f4>] ? trace_hardirqs_on+0x10/0x10 [ 36.584669] [<0000000087db8745>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 36.591416] [<00000000a0aa73a2>] lock_acquire+0x133/0x3d0 [ 36.597192] [<000000008a38e029>] ? get_cmdline+0xa3/0x2d0 [ 36.602799] [<00000000107bdbf4>] down_read+0x44/0xb0 [ 36.607966] [<000000008a38e029>] ? get_cmdline+0xa3/0x2d0 [ 36.613660] [<000000008a38e029>] get_cmdline+0xa3/0x2d0 [ 36.619091] [<000000002ea6dbe7>] handle_lmk_event+0x13c/0x8a0 [ 36.625039] [<0000000036f50fab>] lowmem_scan+0x695/0xb50 [ 36.630554] [<00000000f1aba7ea>] shrink_slab.part.0+0x3cf/0xa20 [ 36.636694] [<00000000d3bf7a32>] ? unregister_shrinker+0x230/0x230 [ 36.643091] [<000000006ef99dd5>] ? _raw_spin_unlock_irq+0x39/0x60 [ 36.649402] [<0000000044c050b3>] ? finish_task_switch+0x1e5/0x660 [ 36.655698] [<00000000e51bf9b4>] ? finish_task_switch+0x1b7/0x660 [ 36.661990] [<00000000ee3d2a0a>] ? __switch_to_asm+0x41/0x70 [ 36.667854] [<00000000f3e279b2>] shrink_node+0x1ed/0x750 [ 36.673375] [<00000000dcbf3d90>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 36.680455] [<00000000b29b948a>] kswapd+0x7f8/0x13b0 [ 36.685623] [<00000000a565e487>] ? try_to_free_pages+0xbd0/0xbd0 [ 36.691856] [<00000000c5e6957a>] ? autoremove_wake_function.part.0+0x130/0x130 [ 36.699542] [<000000004a4c2478>] ? __kthread_parkme+0x173/0x240 [ 36.705682] [<00000000a565e487>] ? try_to_free_pages+0xbd0/0xbd0 [ 36.711903] [<00000000514260da>] kthread+0x278/0x310 [ 36.717255] [<00000000c98948e2>] ? kthread_park+0xa0/0xa0 [ 36.722860] [<0000000087db8745>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 36.729860] [<000000006ef99dd5>] ? _raw_spin_unlock_irq+0x39/0x60 [ 36.736164] [<0000000044c050b3>] ? finish_task_switch+0x1e5/0x660 [ 36.742550] [<00000000e51bf9b4>] ? finish_task_switch+0x1b7/0x660 [ 36.748855] [<00000000ee3d2a0a>] ? __switch_to_asm+0x41/0x70 [ 36.756420] [<000000004b7412c0>] ? __switch_to_asm+0x35/0x70 [ 36.762288] [<00000000ee3d2a0a>] ? __switch_to_asm+0x41/0x70 [ 36.768176] [<00000000c98948e2>] ? kthread_park+0xa0/0xa0 [ 36.773790] [<00000000c98948e2>] ? kthread_park+0xa0/0xa0 [ 36.779571] [<00000000dd8a2a0c>] ret_from_fork+0x5c/0x70 [ 36.785266] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:21 [ 36.793786] in_atomic(): 1, irqs_disabled(): 0, pid: 33, name: kswapd0 [ 36.800489] INFO: lockdep is turned off. [ 36.805098] Preemption disabled at:[ 36.808553] [<000000006ad01930>] handle_lmk_event+0xfb/0x8a0 [ 36.814760] CPU: 1 PID: 33 Comm: kswapd0 Tainted: G W 4.9.187+ #16 [ 36.822204] ffff8801d840f620 ffffffff81b64701 0000000000000000 0000000000000002 [ 36.830299] ffff8801d992c740 ffffffff8221034b ffff8801d992c740 ffff8801d840f658 [ 36.838697] ffffffff814005fc ffff8801d992c740 ffffffff82a51ca0 0000000000000015 [ 36.847214] Call Trace: [ 36.849916] [<000000008ff5125d>] dump_stack+0xc1/0x120 [ 36.855734] [<000000006ad01930>] ? handle_lmk_event+0xfb/0x8a0 [ 36.862248] [<00000000b04802a3>] ___might_sleep.cold+0x1c1/0x1fa [ 36.868570] [<000000009e421822>] __might_sleep+0x95/0x1a0 [ 36.874232] [<00000000d9268209>] down_read+0x21/0xb0 [ 36.879448] [<00000000079d8456>] __access_remote_vm+0xcc/0x460 [ 36.885508] [<00000000cde571eb>] ? generic_access_phys+0x1b0/0x1b0 [ 36.891916] [<000000004d4376d1>] ? get_task_mm+0x9c/0xc0 [ 36.897933] [<000000009d1a48b4>] ? _raw_spin_unlock+0x2d/0x50 [ 36.903907] [<0000000016d0500f>] access_process_vm+0x57/0x80 [ 36.909795] [<00000000a08e9b4b>] get_cmdline+0x176/0x2d0 [ 36.915418] [<000000002ea6dbe7>] handle_lmk_event+0x13c/0x8a0 [ 36.922873] [<0000000036f50fab>] lowmem_scan+0x695/0xb50 [ 36.928417] [<00000000f1aba7ea>] shrink_slab.part.0+0x3cf/0xa20 [ 36.934653] [<00000000d3bf7a32>] ? unregister_shrinker+0x230/0x230 [ 36.941063] [<000000006ef99dd5>] ? _raw_spin_unlock_irq+0x39/0x60 [ 36.947472] [<0000000044c050b3>] ? finish_task_switch+0x1e5/0x660 [ 36.954671] [<00000000e51bf9b4>] ? finish_task_switch+0x1b7/0x660 [ 36.960998] [<00000000ee3d2a0a>] ? __switch_to_asm+0x41/0x70 [ 36.966986] [<00000000f3e279b2>] shrink_node+0x1ed/0x750 [ 36.972622] [<00000000dcbf3d90>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 36.979672] [<00000000b29b948a>] kswapd+0x7f8/0x13b0 [ 36.984876] [<00000000a565e487>] ? try_to_free_pages+0xbd0/0xbd0 [ 36.991123] [<00000000c5e6957a>] ? autoremove_wake_function.part.0+0x130/0x130 [ 36.999395] [<000000004a4c2478>] ? __kthread_parkme+0x173/0x240 [ 37.005729] [<00000000a565e487>] ? try_to_free_pages+0xbd0/0xbd0 [ 37.011967] [<00000000514260da>] kthread+0x278/0x310 [ 37.017252] [<00000000c98948e2>] ? kthread_park+0xa0/0xa0 [ 37.022984] [<0000000087db8745>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 37.030012] [<000000006ef99dd5>] ? _raw_spin_unlock_irq+0x39/0x60 [ 37.036334] [<0000000044c050b3>] ? finish_task_switch+0x1e5/0x660 [ 37.042658] [<00000000e51bf9b4>] ? finish_task_switch+0x1b7/0x660 [ 37.049793] [<00000000ee3d2a0a>] ? __switch_to_asm+0x41/0x70 [ 37.055682] [<000000004b7412c0>] ? __switch_to_asm+0x35/0x70 [ 37.061656] [<00000000ee3d2a0a>] ? __switch_to_asm+0x41/0x70 [ 37.067632] [<00000000c98948e2>] ? kthread_park+0xa0/0xa0 [ 37.073261] [<00000000c98948e2>] ? kthread_park+0xa0/0xa0 [ 37.078914] [<00000000dd8a2a0c>] ret_from_fork+0x5c/0x70 [ 37.208006] lowmemorykiller: Killing 'syz-executor919' (2061) (tgid 2061), adj 1000, [ 37.208006] to free 44kB on behalf of 'kswapd0' (33) because [ 37.208006] cache 1456kB is below limit 6144kB for oom_score_adj 0 [ 37.208006] Free memory is -6820kB above reserved [ 37.209527] lowmemorykiller: Killing 'syz-executor919' (2061) (tgid 2061), adj 1000, [ 37.209527] to free 44kB on behalf of 'syz-executor919' (2062) because [ 37.209527] cache 1456kB is below limit 6144kB for oom_score_adj 0 [ 37.209527] Free memory is -13268kB above reserved [ 37.383367] oom_reaper: reaped process 2061 (syz-executor919), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 37.385103] syz-executor919: vmalloc: allocation failure, allocated 1349160960 of 4260122624 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 37.385111] CPU: 0 PID: 2061 Comm: syz-executor919 Tainted: G W 4.9.187+ #16 [ 37.385124] ffff8801ce58f858 ffffffff81b64701 1ffff10039cb1f0d dffffc0000000000 [ 37.385134] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801ce58f980 [ 37.385142] ffffffff81506a43 0000000041b58ab3 ffffffff82e3a738 ffffffff81430620 [ 37.385144] Call Trace: [ 37.385158] [<000000008ff5125d>] dump_stack+0xc1/0x120 [ 37.385169] [<0000000097a4faaf>] warn_alloc.cold+0x76/0x93 [ 37.385179] [<00000000ff15f5b5>] ? zone_watermark_ok_safe+0x260/0x260 [ 37.385187] [<00000000467b6174>] ? retint_kernel+0x2d/0x2d [ 37.385196] [<000000007cac31e8>] __vmalloc_node_range+0x3ff/0x610 [ 37.385204] [<000000004b96c8c3>] ? xt_alloc_entry_offsets+0x44/0x50 [ 37.385210] [<00000000e2d20a20>] vmalloc+0x5c/0x70 [ 37.385217] [<000000004b96c8c3>] ? xt_alloc_entry_offsets+0x44/0x50 [ 37.385224] [<000000004b96c8c3>] xt_alloc_entry_offsets+0x44/0x50 [ 37.385231] [<0000000077b5a9bc>] translate_table+0x215/0x1650 [ 37.385238] [<0000000087db8745>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 37.385245] [<00000000ba743540>] ? compat_do_ipt_get_ctl+0x8c0/0x8c0 [ 37.385252] [<00000000add1ad85>] ? __check_object_size+0x252/0x38c [ 37.385258] [<000000003c4ffa6a>] do_ipt_set_ctl+0x2d4/0x470 [ 37.385264] [<00000000cf946c30>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 37.385272] [<000000003ea793db>] ? mutex_unlock+0x9/0x10 [ 37.385280] [<0000000002f52ec8>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 37.385286] [<000000009d9d93d8>] nf_setsockopt+0x6d/0xc0 [ 37.385292] [<0000000082b9dfbc>] ip_setsockopt+0x8a/0xa0 [ 37.385299] [<00000000a5512ea8>] udp_setsockopt+0x4e/0x90 [ 37.385306] [<000000009fb1b32c>] ipv6_setsockopt+0xa4/0x140 [ 37.385313] [<00000000cc11eff4>] tcp_setsockopt+0x8a/0xe0 [ 37.385327] [<00000000495aa3a1>] sock_common_setsockopt+0x9a/0xe0 [ 37.385335] [<00000000510b4852>] SyS_setsockopt+0x159/0x240 [ 37.385341] [<00000000060d3331>] ? SyS_recv+0x40/0x40 [ 37.385349] [<000000008bb9cb22>] ? __do_page_fault+0x545/0xa60 [ 37.385356] [<000000001ddeb02a>] ? do_syscall_64+0x4a/0x5c0 [ 37.385362] [<00000000060d3331>] ? SyS_recv+0x40/0x40 [ 37.385368] [<00000000ae3faf8a>] do_syscall_64+0x1ad/0x5c0 [ 37.385375] [<000000008f034838>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 37.385377] Mem-Info: [ 37.385392] active_anon:3227 inactive_anon:41 isolated_anon:0 [ 37.385392] active_file:15 inactive_file:18 isolated_file:0 [ 37.385392] unevictable:0 dirty:0 writeback:0 unstable:0 [ 37.385392] slab_reclaimable:4264 slab_unreclaimable:56371 [ 37.385392] mapped:24 shmem:48 pagetables:359 bounce:0 [ 37.385392] free:7 free_pcp:8 free_cma:0 [ 37.385404] Node 0 active_anon:12908kB inactive_anon:164kB active_file:60kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 37.385420] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:32kB inactive_anon:0kB active_file:36kB inactive_file:32kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:12kB kernel_stack:32kB pagetables:20kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 37.385442] Normal free:32kB min:5580kB low:9168kB high:12756kB active_anon:12876kB inactive_anon:164kB active_file:60kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17056kB slab_unreclaimable:225472kB kernel_stack:3424kB pagetables:1416kB bounce:0kB free_pcp:32kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 37.385472] 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 126 total pagecache pages [ 37.385499] 0 pages in swap cache [ 37.385503] Swap cache stats: add 0, delete 0, find 0/0 [ 37.385505] Free swap = 0kB [ 37.385506] Total swap = 0kB [ 37.385508] 1965979 pages RAM [ 37.385510] 0 pages HighMem/MovableOnly [ 37.385512] 313625 pages reserved [ 38.260923] lowmemorykiller: Killing 'syz-executor919' (2062) (tgid 2062), adj 1000, [ 38.260923] to free 44kB on behalf of 'syz-executor919' (2067) because [ 38.260923] cache 460kB is below limit 6144kB for oom_score_adj 0 [ 38.260923] Free memory is -13376kB above reserved [ 38.260930] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 38.260934] in_atomic(): 0, irqs_disabled(): 0, pid: 2067, name: syz-executor919 [ 38.260936] INFO: lockdep is turned off. [ 38.260951] Preemption disabled at: [ 38.260952] [<0000000028547d64>] get_task_mm+0x20/0xc0 executing program [ 38.260961] CPU: 1 PID: 2067 Comm: syz-executor919 Tainted: G W 4.9.187+ #16 [ 38.260974] ffff8800734c7258 ffffffff81b64701 0000000000000000 0000000000000001 [ 38.260983] ffff8801cedac740 ffffffff810d0d10 ffff8801cedac740 ffff8800734c7290 [ 38.260992] ffffffff814005fc ffff8801cedac740 ffffffff82a39940 0000000000000387 [ 38.260994] Call Trace: [ 38.261003] [<000000008ff5125d>] dump_stack+0xc1/0x120 [ 38.261010] [<0000000028547d64>] ? get_task_mm+0x20/0xc0 [ 38.261019] [<00000000b04802a3>] ___might_sleep.cold+0x1c1/0x1fa [ 38.261029] [<000000009e421822>] __might_sleep+0x95/0x1a0 [ 38.261035] [<00000000a18e009b>] mmput+0x28/0x370 [ 38.261044] [<00000000efe0913f>] handle_lmk_event+0xea/0x8a0 [ 38.261051] [<0000000036f50fab>] lowmem_scan+0x695/0xb50 [ 38.261060] [<00000000f1aba7ea>] shrink_slab.part.0+0x3cf/0xa20 [ 38.261068] [<00000000d3bf7a32>] ? unregister_shrinker+0x230/0x230 [ 38.261075] [<00000000f3e279b2>] shrink_node+0x1ed/0x750 [ 38.261083] [<00000000dcbf3d90>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 38.261092] [<0000000095bdac98>] ? __delayacct_freepages_start+0x41/0x80 [ 38.261100] [<00000000a135d3bf>] try_to_free_pages+0x397/0xbd0 [ 38.261106] [<000000009199433a>] ? shrink_node+0x750/0x750 [ 38.261113] [<000000004f826185>] __alloc_pages_nodemask+0x930/0x1a80 [ 38.261122] [<00000000d5176cf1>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 38.261130] [<000000007574317c>] ? ___might_sleep+0x16a/0x280 [ 38.261138] [<0000000039eddd3e>] __vmalloc_node_range+0x25b/0x610 [ 38.261146] [<000000004b96c8c3>] ? xt_alloc_entry_offsets+0x44/0x50 [ 38.261153] [<00000000e2d20a20>] vmalloc+0x5c/0x70 [ 38.261160] [<000000004b96c8c3>] ? xt_alloc_entry_offsets+0x44/0x50 [ 38.261166] [<000000004b96c8c3>] xt_alloc_entry_offsets+0x44/0x50 [ 38.261173] [<0000000077b5a9bc>] translate_table+0x215/0x1650 [ 38.261180] [<00000000ba743540>] ? compat_do_ipt_get_ctl+0x8c0/0x8c0 [ 38.261188] [<00000000add1ad85>] ? __check_object_size+0x252/0x38c [ 38.261194] [<000000003c4ffa6a>] do_ipt_set_ctl+0x2d4/0x470 [ 38.261200] [<00000000cf946c30>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 38.261209] [<000000003ea793db>] ? mutex_unlock+0x9/0x10 [ 38.261217] [<0000000002f52ec8>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 38.261224] [<000000009d9d93d8>] nf_setsockopt+0x6d/0xc0 [ 38.261231] [<0000000082b9dfbc>] ip_setsockopt+0x8a/0xa0 [ 38.261238] [<00000000a5512ea8>] udp_setsockopt+0x4e/0x90 [ 38.261244] [<000000009fb1b32c>] ipv6_setsockopt+0xa4/0x140 [ 38.261251] [<00000000cc11eff4>] tcp_setsockopt+0x8a/0xe0 [ 38.261259] [<00000000495aa3a1>] sock_common_setsockopt+0x9a/0xe0 [ 38.261266] [<00000000510b4852>] SyS_setsockopt+0x159/0x240 [ 38.261273] [<00000000060d3331>] ? SyS_recv+0x40/0x40 [ 38.261280] [<000000008bb9cb22>] ? __do_page_fault+0x545/0xa60 [ 38.261287] [<000000000fa51330>] ? bad_area_access_error+0x3d0/0x3d0 [ 38.261293] [<00000000060d3331>] ? SyS_recv+0x40/0x40 [ 38.261300] [<00000000ae3faf8a>] do_syscall_64+0x1ad/0x5c0 [ 38.261307] [<000000008f034838>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 38.780478] syz-executor919: [ 38.783636] oom_reaper: reaped process 2062 (syz-executor919), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 38.793692] vmalloc: allocation failure, allocated 1845149696 of 4260122624 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 38.805564] CPU: 1 PID: 2062 Comm: syz-executor919 Tainted: G W 4.9.187+ #16 [ 38.813871] ffff8801ce52f858 ffffffff81b64701 1ffff10039ca5f0d dffffc0000000000 [ 38.821933] ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801ce52f980 [ 38.830132] ffffffff81506a43[ 38.830447] syz-executor919 invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 [ 38.844553] 0000000041b58ab3 ffffffff82e3a738 ffffffff81430620 Call Trace: [ 38.852283] [<000000008ff5125d>] dump_stack+0xc1/0x120 [ 38.857631] [<0000000097a4faaf>] warn_alloc.cold+0x76/0x93 [ 38.863324] [<00000000ff15f5b5>] ? zone_watermark_ok_safe+0x260/0x260 [ 38.869989] [<0000000059c259d9>] ? debug_lockdep_rcu_enabled+0x7/0xa0 [ 38.876647] [<000000007cac31e8>] __vmalloc_node_range+0x3ff/0x610 [ 38.882964] [<000000004b96c8c3>] ? xt_alloc_entry_offsets+0x44/0x50 [ 38.889439] [<00000000e2d20a20>] vmalloc+0x5c/0x70 [ 38.894546] [<000000004b96c8c3>] ? xt_alloc_entry_offsets+0x44/0x50 [ 38.901035] [<000000004b96c8c3>] xt_alloc_entry_offsets+0x44/0x50 [ 38.907433] [<0000000077b5a9bc>] translate_table+0x215/0x1650 [ 38.913781] [<0000000087db8745>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 38.920521] [<00000000ba743540>] ? compat_do_ipt_get_ctl+0x8c0/0x8c0 [ 38.927289] [<00000000add1ad85>] ? __check_object_size+0x252/0x38c [ 38.934123] [<000000003c4ffa6a>] do_ipt_set_ctl+0x2d4/0x470 [ 38.939909] [<00000000cf946c30>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 38.946470] [<000000003ea793db>] ? mutex_unlock+0x9/0x10 [ 38.951990] [<0000000002f52ec8>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 38.959247] [<000000009d9d93d8>] nf_setsockopt+0x6d/0xc0 [ 38.964766] [<0000000082b9dfbc>] ip_setsockopt+0x8a/0xa0 [ 38.970285] [<00000000a5512ea8>] udp_setsockopt+0x4e/0x90 [ 38.975900] [<000000009fb1b32c>] ipv6_setsockopt+0xa4/0x140 [ 38.981683] [<00000000cc11eff4>] tcp_setsockopt+0x8a/0xe0 [ 38.987315] [<00000000495aa3a1>] sock_common_setsockopt+0x9a/0xe0 [ 38.995316] [<00000000510b4852>] SyS_setsockopt+0x159/0x240 [ 39.001530] [<00000000060d3331>] ? SyS_recv+0x40/0x40 [ 39.006888] [<000000008bb9cb22>] ? __do_page_fault+0x545/0xa60 [ 39.013278] [<000000001ddeb02a>] ? do_syscall_64+0x4a/0x5c0 [ 39.019060] [<00000000060d3331>] ? SyS_recv+0x40/0x40 [ 39.024321] [<00000000ae3faf8a>] do_syscall_64+0x1ad/0x5c0 [ 39.030457] [<000000008f034838>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 39.037371] CPU: 0 PID: 2068 Comm: syz-executor919 Tainted: G W 4.9.187+ #16 [ 39.040916] Mem-Info: [ 39.040933] active_anon:3229 inactive_anon:41 isolated_anon:0 [ 39.040933] active_file:26 inactive_file:26 isolated_file:0 [ 39.040933] unevictable:0 dirty:0 writeback:0 unstable:0 [ 39.040933] slab_reclaimable:4281 slab_unreclaimable:56453 [ 39.040933] mapped:23 shmem:48 pagetables:363 bounce:0 [ 39.040933] free:450 free_pcp:8 free_cma:0 [ 39.040945] Node 0 active_anon:12916kB inactive_anon:164kB active_file:104kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? yes [ 39.040963] DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:60kB inactive_anon:0kB active_file:12kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:20kB slab_unreclaimable:136kB kernel_stack:32kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 39.040987] Normal free:1800kB min:5580kB low:9168kB high:12756kB active_anon:12856kB inactive_anon:164kB active_file:100kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17104kB slab_unreclaimable:225676kB kernel_stack:3424kB pagetables:1428kB bounce:0kB free_pcp:32kB local_pcp:32kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 39.041018] 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 1*8kB (H) 0*16kB 1*32kB (H) 1*64kB (H) 3*128kB (H) 1*256kB (H) 2*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 1768kB 112 total pagecache pages [ 39.041052] 0 pages in swap cache [ 39.041056] Swap cache stats: add 0, delete 0, find 0/0 [ 39.041058] Free swap = 0kB [ 39.041059] Total swap = 0kB [ 39.041061] 1965979 pages RAM [ 39.041063] 0 pages HighMem/MovableOnly [ 39.041065] 313625 pages reserved [ 39.221112] ffff8801ce58f6f0 ffffffff81b64701 ffff8801ce58fa48 ffffffff833f1270 [ 39.229198] 0000000000000000 ffff8801ce58fa60 0000000000000000 ffff8801ce58f770 [ 39.237263] ffffffff8150578b 0000000000000000 0000000000000000 ffffffff82826e15 [ 39.245333] Call Trace: [ 39.247919] [<000000008ff5125d>] dump_stack+0xc1/0x120 [ 39.253291] [<00000000fec83820>] dump_header.isra.0+0x142/0x74c [ 39.259528] [<000000006d64f852>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 39.266462] [<000000004f9a100d>] ? ___ratelimit+0x55/0x413 [ 39.271007] lowmemorykiller: Killing 'syz-executor919' (2063) (tgid 2063), adj 1000, [ 39.271007] to free 44kB on behalf of 'syz-executor919' (2065) because [ 39.271007] cache 256kB is below limit 6144kB for oom_score_adj 0 [ 39.271007] Free memory is -35704kB above reserved [ 39.271012] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 39.271016] in_atomic(): 0, irqs_disabled(): 0, pid: 2065, name: syz-executor919 [ 39.271018] INFO: lockdep is turned off. [ 39.271034] Preemption disabled at: [ 39.271035] [<0000000028547d64>] get_task_mm+0x20/0xc0 [ 39.327298] [<0000000051cce94b>] oom_kill_process.cold+0xd/0xa74 [ 39.333528] [<000000005e072781>] ? has_capability_noaudit+0x25/0x30 [ 39.340025] [<0000000014884a93>] ? oom_badness.part.0+0x11d/0x600 [ 39.346579] [<000000003a9af190>] ? oom_badness.part.0+0x12f/0x600 [ 39.352898] [<0000000099d48f50>] ? out_of_memory+0x6d3/0xea0 [ 39.358895] [<00000000cef5bb2d>] out_of_memory+0x29b/0xea0 [ 39.364703] [<000000009631b487>] ? out_of_memory+0x41c/0xea0 [ 39.370591] [<00000000195e5c27>] ? oom_killer_disable+0x210/0x210 [ 39.376916] [<00000000a31df748>] ? trace_hardirqs_on+0xd/0x10 [ 39.382900] [<000000001611be61>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 39.389769] [<000000001140273a>] __alloc_pages_nodemask+0x1730/0x1a80 [ 39.396957] [<00000000d5176cf1>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 39.403634] [<00000000feb920da>] ? page_cache_prev_hole+0x80/0x80 [ 39.409956] [<00000000acdd709c>] ? find_get_entry+0x2a9/0x510 [ 39.415932] [<00000000f2abc081>] ? find_get_entry+0x2d0/0x510 [ 39.421997] [<00000000feb920da>] ? page_cache_prev_hole+0x80/0x80 [ 39.428385] [<00000000a206e74d>] pagecache_get_page+0x248/0x740 [ 39.434506] [<00000000d9cd41b4>] filemap_fault+0xb1f/0x1360 [ 39.440281] [<00000000faf9b1c4>] ext4_filemap_fault+0x72/0xa0 [ 39.446248] [<00000000136d2975>] __do_fault+0x2a8/0x6c0 [ 39.451693] [<0000000017459828>] ? do_page_mkwrite+0x400/0x400 [ 39.457730] [<000000003b2bf99d>] ? generic_file_readonly_mmap+0x190/0x190 [ 39.464734] [<000000006b94e7c4>] handle_mm_fault+0x11bc/0x2420 [ 39.470772] [<000000006764292c>] ? vm_insert_page+0x850/0x850 [ 39.476720] [<000000001f83dae8>] ? vmacache_find+0x59/0x280 [ 39.482510] [<00000000f5873846>] __do_page_fault+0x3f0/0xa60 [ 39.488378] [<000000000fa51330>] ? bad_area_access_error+0x3d0/0x3d0 [ 39.494942] [<0000000052a6a9ff>] ? SyS_setpgid+0x77/0x6c0 [ 39.500550] [<000000008bb4c9b7>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.507555] [<00000000246f06cd>] do_page_fault+0x28/0x30 [ 39.513084] [<0000000019ce6175>] page_fault+0x25/0x30 [ 39.530413] CPU: 0 PID: 2065 Comm: syz-executor919 Tainted: G W 4.9.187+ #16 [ 39.538786] ffff8801ccfaf258 ffffffff81b64701 0000000000000000 0000000000000001 [ 39.546858] ffff8801d1b317c0 ffffffff810d0d10 ffff8801d1b317c0 ffff8801ccfaf290 [ 39.554921] ffffffff814005fc ffff8801d1b317c0 ffffffff82a39940 0000000000000387 [ 39.563017] Call Trace: [ 39.565695] [<000000008ff5125d>] dump_stack+0xc1/0x120 [ 39.571163] [<0000000028547d64>] ? get_task_mm+0x20/0xc0 [ 39.576742] [<00000000b04802a3>] ___might_sleep.cold+0x1c1/0x1fa [ 39.582983] [<000000009e421822>] __might_sleep+0x95/0x1a0 [ 39.588614] [<00000000a18e009b>] mmput+0x28/0x370 [ 39.593573] [<00000000efe0913f>] handle_lmk_event+0xea/0x8a0 [ 39.599461] [<0000000036f50fab>] lowmem_scan+0x695/0xb50 [ 39.605002] [<00000000f1aba7ea>] shrink_slab.part.0+0x3cf/0xa20 [ 39.611161] [<00000000d3bf7a32>] ? unregister_shrinker+0x230/0x230 [ 39.617572] [<000000008e51d927>] ? free_object+0x117/0x2b0 [ 39.623286] [<00000000f3e279b2>] shrink_node+0x1ed/0x750 [ 39.628844] [<00000000dcbf3d90>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 39.635950] [<0000000095bdac98>] ? __delayacct_freepages_start+0x41/0x80 [ 39.642881] [<00000000a135d3bf>] try_to_free_pages+0x397/0xbd0 [ 39.648944] [<000000009199433a>] ? shrink_node+0x750/0x750 [ 39.654661] [<00000000767da8f8>] ? _find_next_bit.part.0+0xe0/0x110 [ 39.661161] [<000000004f826185>] __alloc_pages_nodemask+0x930/0x1a80 [ 39.667753] [<000000004b7412c0>] ? __switch_to_asm+0x35/0x70 [ 39.673735] [<00000000d5176cf1>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 39.680404] [<000000001ccc711b>] ? debug_lockdep_rcu_enabled+0x8/0xa0 [ 39.687173] [<0000000039eddd3e>] __vmalloc_node_range+0x25b/0x610 [ 39.693518] [<000000004b96c8c3>] ? xt_alloc_entry_offsets+0x44/0x50 [ 39.700013] [<00000000e2d20a20>] vmalloc+0x5c/0x70 [ 39.705049] [<000000004b96c8c3>] ? xt_alloc_entry_offsets+0x44/0x50 [ 39.711578] [<000000004b96c8c3>] xt_alloc_entry_offsets+0x44/0x50 [ 39.717902] [<0000000077b5a9bc>] translate_table+0x215/0x1650 [ 39.723881] [<0000000087db8745>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 39.730638] [<00000000ba743540>] ? compat_do_ipt_get_ctl+0x8c0/0x8c0 [ 39.737276] [<00000000add1ad85>] ? __check_object_size+0x252/0x38c [ 39.743681] [<000000003c4ffa6a>] do_ipt_set_ctl+0x2d4/0x470 [ 39.749483] [<00000000cf946c30>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 39.756517] [<000000003ea793db>] ? mutex_unlock+0x9/0x10 [ 39.762066] [<0000000002f52ec8>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 39.769537] [<000000009d9d93d8>] nf_setsockopt+0x6d/0xc0 [ 39.775078] [<0000000082b9dfbc>] ip_setsockopt+0x8a/0xa0 [ 39.780711] [<00000000a5512ea8>] udp_setsockopt+0x4e/0x90 [ 39.786345] [<000000009fb1b32c>] ipv6_setsockopt+0xa4/0x140 [ 39.792152] [<00000000cc11eff4>] tcp_setsockopt+0x8a/0xe0 [ 39.797899] [<00000000495aa3a1>] sock_common_setsockopt+0x9a/0xe0 [ 39.804222] [<00000000510b4852>] SyS_setsockopt+0x159/0x240 [ 39.810024] [<00000000060d3331>] ? SyS_recv+0x40/0x40 [ 39.815409] [<000000008bb9cb22>] ? __do_page_fault+0x545/0xa60 [ 39.821470] [<000000001ddeb02a>] ? do_syscall_64+0x4a/0x5c0 [ 39.827271] [<00000000060d3331>] ? SyS_recv+0x40/0x40 [ 39.832551] [<00000000ae3faf8a>] do_syscall_64+0x1ad/0x5c0 [ 39.838266] [<000000008f034838>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb executing program [ 40.104526] Mem-Info: [ 40.114268] active_anon:3220 inactive_anon:41 isolated_anon:0 [ 40.114268] active_file:37 inactive_file:40 isolated_file:0 [ 40.114268] unevictable:0 dirty:0 writeback:0 unstable:0 [ 40.114268] slab_reclaimable:4281 slab_unreclaimable:56454 [ 40.114268] mapped:74 shmem:48 pagetables:358 bounce:0 [ 40.114268] free:6047 free_pcp:30 free_cma:0 [ 40.159906] Node 0 active_anon:12880kB inactive_anon:164kB active_file:148kB inactive_file:160kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:296kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 40.210934] DMA32 free:18712kB min:4696kB low:7712kB high:10728kB active_anon:104kB inactive_anon:0kB active_file:8kB inactive_file:104kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:20kB slab_unreclaimable:140kB kernel_stack:64kB pagetables:36kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 40.242839] lowmem_reserve[]: 0 3505 3505 [ 40.247599] Normal free:5516kB min:5580kB low:9168kB high:12756kB active_anon:12824kB inactive_anon:164kB active_file:180kB inactive_file:116kB unevictable:0kB writepending:60kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17124kB slab_unreclaimable:225696kB kernel_stack:3392kB pagetables:1408kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 40.280067] lowmem_reserve[]: 0[ 40.283024] lowmemorykiller: Killing 'syz-executor919' (2069) (tgid 2069), adj 1000, [ 40.283024] to free 48kB on behalf of 'syz-executor919' (2067) because [ 40.283024] cache 364kB is below limit 6144kB for oom_score_adj 0 [ 40.283024] Free memory is -13276kB above reserved [ 40.283029] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 40.283033] in_atomic(): 0, irqs_disabled(): 0, pid: 2067, name: syz-executor919 [ 40.283035] INFO: lockdep is turned off. [ 40.283037] Preemption disabled at: [ 40.283050] [<0000000028547d64>] get_task_mm+0x20/0xc0 [ 40.283059] CPU: 0 PID: 2067 Comm: syz-executor919 Tainted: G W 4.9.187+ #16 [ 40.283071] ffff8800734c7258 [ 40.283074] ffffffff81b64701 0000000000000000 0000000000000001 ffff8801cedac740 [ 40.283083] ffffffff810d0d10 ffff8801cedac740 ffff8800734c7290 ffffffff814005fc [ 40.283092] ffff8801cedac740 ffffffff82a39940 0000000000000387Call Trace: [ 40.283108] [<000000008ff5125d>] dump_stack+0xc1/0x120 [ 40.283115] [<0000000028547d64>] ? get_task_mm+0x20/0xc0 [ 40.283124] [<00000000b04802a3>] ___might_sleep.cold+0x1c1/0x1fa [ 40.283132] [<000000009e421822>] __might_sleep+0x95/0x1a0 [ 40.283139] [<00000000a18e009b>] mmput+0x28/0x370 [ 40.283148] [<00000000efe0913f>] handle_lmk_event+0xea/0x8a0 [ 40.283155] [<0000000036f50fab>] lowmem_scan+0x695/0xb50 [ 40.283164] [<00000000f1aba7ea>] shrink_slab.part.0+0x3cf/0xa20 [ 40.283171] [<00000000d3bf7a32>] ? unregister_shrinker+0x230/0x230 [ 40.283180] [<000000008e51d927>] ? free_object+0x117/0x2b0 [ 40.283187] [<00000000f3e279b2>] shrink_node+0x1ed/0x750 [ 40.283195] [<00000000dcbf3d90>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 40.283205] [<0000000095bdac98>] ? __delayacct_freepages_start+0x41/0x80 [ 40.283212] [<00000000a135d3bf>] try_to_free_pages+0x397/0xbd0 [ 40.283219] [<000000009199433a>] ? shrink_node+0x750/0x750 [ 40.283225] [<00000000767da8f8>] ? _find_next_bit.part.0+0xe0/0x110 [ 40.283232] [<000000004f826185>] __alloc_pages_nodemask+0x930/0x1a80 [ 40.283239] [<000000004b7412c0>] ? __switch_to_asm+0x35/0x70 [ 40.283248] [<00000000d5176cf1>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 40.283256] [<000000001ccc711b>] ? debug_lockdep_rcu_enabled+0x8/0xa0 [ 40.283264] [<0000000039eddd3e>] __vmalloc_node_range+0x25b/0x610 [ 40.283272] [<000000004b96c8c3>] ? xt_alloc_entry_offsets+0x44/0x50 [ 40.283278] [<00000000e2d20a20>] vmalloc+0x5c/0x70 [ 40.283285] [<000000004b96c8c3>] ? xt_alloc_entry_offsets+0x44/0x50 [ 40.283292] [<000000004b96c8c3>] xt_alloc_entry_offsets+0x44/0x50 [ 40.283299] [<0000000077b5a9bc>] translate_table+0x215/0x1650 [ 40.283306] [<00000000ba743540>] ? compat_do_ipt_get_ctl+0x8c0/0x8c0 [ 40.283314] [<00000000add1ad85>] ? __check_object_size+0x252/0x38c [ 40.283320] [<000000003c4ffa6a>] do_ipt_set_ctl+0x2d4/0x470 [ 40.283326] [<00000000cf946c30>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 40.283333] [<000000003ea793db>] ? mutex_unlock+0x9/0x10 [ 40.283342] [<0000000002f52ec8>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 40.283348] [<000000009d9d93d8>] nf_setsockopt+0x6d/0xc0 [ 40.283355] [<0000000082b9dfbc>] ip_setsockopt+0x8a/0xa0 [ 40.283363] [<00000000a5512ea8>] udp_setsockopt+0x4e/0x90 [ 40.283370] [<000000009fb1b32c>] ipv6_setsockopt+0xa4/0x140 [ 40.283377] [<00000000cc11eff4>] tcp_setsockopt+0x8a/0xe0 [ 40.283385] [<00000000495aa3a1>] sock_common_setsockopt+0x9a/0xe0 [ 40.283401] [<00000000510b4852>] SyS_setsockopt+0x159/0x240 [ 40.283407] [<00000000060d3331>] ? SyS_recv+0x40/0x40 [ 40.283415] [<000000008bb9cb22>] ? __do_page_fault+0x545/0xa60 [ 40.283421] [<000000000fa51330>] ? bad_area_access_error+0x3d0/0x3d0 [ 40.283428] [<00000000060d3331>] ? SyS_recv+0x40/0x40 [ 40.283435] [<00000000ae3faf8a>] do_syscall_64+0x1ad/0x5c0 [ 40.283442] [<000000008f034838>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 40.812642] 0 0 [ 40.814980] DMA32: 14*4kB (M) 18*8kB (M) 23*16kB (UM) 15*32kB (M) 14*64kB (UM) 7*128kB (UM) 2*256kB (M) 2*512kB (M) 2*1024kB (UM) 6*2048kB (U) 0*4096kB = 18712kB [ 40.843874] Normal: 196*4kB (UMH) 104*8kB (MH) 59*16kB (UMH) 29*32kB (UMH) 6*64kB (UMH) 3*128kB (H) 1*256kB (H) 2*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5536kB 126 total pagecache pages [ 40.863619] 0 pages in swap cache [ 40.867141] Swap cache stats: add 0, delete 0, find 0/0 [ 40.872497] Free swap = 0kB [ 40.875504] Total swap = 0kB [ 40.878537] 1965979 pages RAM [ 40.881663] 0 pages HighMem/MovableOnly [ 40.885620] 313625 pages reserved [ 40.889054] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 40.897732] [ 470] 0 470 5384 184 16 3 0 -1000 udevd [ 40.906909] [ 593] 0 593 5374 177 15 3 0 -1000 udevd [ 40.915655] [ 594] 0 594 5364 167 15 3 0 -1000 udevd [ 40.925914] [ 1764] 0 1764 2492 574 10 3 0 0 dhclient [ 40.934953] [ 1895] 0 1895 14261 150 23 3 0 0 rsyslogd [ 40.944047] [ 1950] 0 1950 3734 44 11 3 0 0 mcstransd [ 40.953309] [ 1952] 0 1952 4724 51 15 3 0 0 cron [ 40.974929] [ 1970] 0 1970 12926 1228 28 3 0 0 restorecond [ 40.994618] [ 1996] 0 1996 12489 152 27 3 0 -1000 sshd [ 41.003338] [ 2026] 0 2026 3648 40 13 3 0 0 getty [ 41.030883] [ 2045] 0 2045 3648 43 13 3 0 0 getty [ 41.039741] [ 2046] 0 2046 3648 43 13 3 0 0 getty [ 41.049745] [ 2047] 0 2047 3648 42 13 3 0 0 getty [ 41.058675] [ 2048] 0 2048 3648 42 14 3 0 0 getty [ 41.078671] [ 2049] 0 2049 3648 42 13 3 0 0 getty [ 41.087441] [ 2050] 0 2050 3648 44 13 3 0 0 getty [ 41.107514] [ 2051] 0 2051 17820 199 38 3 0 0 sshd [ 41.116386] [ 2053] 0 2053 4380 1 4 2 0 0 syz-executor919 [ 41.137266] [ 2054] 0 2054 4380 11 4 2 0 0 syz-executor919 [ 41.146911] [ 2055] 0 2055 4379 17 4 2 0 0 syz-executor919 [ 41.163049] [ 2057] 0 2057 4379 17 4 2 0 0 syz-executor919 [ 41.179875] [ 2058] 0 2058 4379 17 4 2 0 0 syz-executor919 [ 41.189551] [ 2059] 0 2059 4379 17 4 2 0 0 syz-executor919 [ 41.219159] [ 2060] 0 2060 4380 11 4 2 0 0 syz-executor919 [ 41.245236] [ 2063] 0 2063 4380 11 5 2 0 1000 syz-executor919 [ 41.261858] [ 2064] 0 2064 4380 11 5 2 0 1000 syz-executor919 [ 41.271822] [ 2065] 0 2065 4380 11 5 2 0 1000 syz-executor919 [ 41.290905] [ 2067] 0 2067 4380 11 5 2 0 1000 syz-executor919 [ 41.300549] lowmemorykiller: Killing 'syz-executor919' (2069) (tgid 2069), adj 1000, [ 41.300549] to free 48kB on behalf of 'syz-executor919' (2063) because [ 41.300549] cache 312kB is below limit 6144kB for oom_score_adj 0 [ 41.300549] Free memory is -13256kB above reserved [ 41.300569] lowmemorykiller: Killing 'syz-executor919' (2069) (tgid 2069), adj 1000, [ 41.300569] to free 48kB on behalf of 'syz-executor919' (2069) because [ 41.300569] cache 312kB is below limit 6144kB for oom_score_adj 0 [ 41.300569] Free memory is -13256kB above reserved [ 41.300573] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 41.300576] in_atomic(): 0, irqs_disabled(): 0, pid: 2069, name: syz-executor919 [ 41.300578] INFO: lockdep is turned off. [ 41.300594] Preemption disabled at: [ 41.300595] [<0000000028547d64>] get_task_mm+0x20/0xc0 [ 41.300605] CPU: 0 PID: 2069 Comm: syz-executor919 Tainted: G W 4.9.187+ #16 [ 41.300619] ffff8800480771c0 ffffffff81b64701 0000000000000000 0000000000000001 [ 41.300628] ffff8801cef78000 ffffffff810d0d10 ffff8801cef78000 ffff8800480771f8 [ 41.300637] ffffffff814005fc ffff8801cef78000 ffffffff82a39940 0000000000000387 [ 41.300638] Call Trace: [ 41.300650] [<000000008ff5125d>] dump_stack+0xc1/0x120 [ 41.300656] [<0000000028547d64>] ? get_task_mm+0x20/0xc0 [ 41.300665] [<00000000b04802a3>] ___might_sleep.cold+0x1c1/0x1fa [ 41.300675] [<000000009e421822>] __might_sleep+0x95/0x1a0 Connection to 10.128.0.94 closed by remote host. [