[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 10.774952] random: crng init done [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.167' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 104.291281] lowmemorykiller: Killing 'syz-executor451' (2087) (tgid 2087), adj 1000, [ 104.291281] to free 16824kB on behalf of 'kswapd0' (33) because [ 104.291281] cache 31588kB is below limit 65536kB for oom_score_adj 12 [ 104.291281] Free memory is -6884kB above reserved executing program executing program [ 104.344265] lowmemorykiller: Killing 'syz-executor451' (2090) (tgid 2090), adj 1000, [ 104.344265] to free 16824kB on behalf of 'kswapd0' (33) because [ 104.344265] cache 31292kB is below limit 65536kB for oom_score_adj 12 [ 104.344265] Free memory is -6852kB above reserved executing program [ 104.405188] lowmemorykiller: Killing 'syz-executor451' (2093) (tgid 2093), adj 1000, [ 104.405188] to free 16824kB on behalf of 'kswapd0' (33) because [ 104.405188] cache 30916kB is below limit 65536kB for oom_score_adj 12 [ 104.405188] Free memory is -6884kB above reserved [ 104.465986] lowmemorykiller: Killing 'syz-executor451' (2096) (tgid 2096), adj 1000, [ 104.465986] to free 16824kB on behalf of 'kswapd0' (33) because [ 104.465986] cache 31028kB is below limit 65536kB for oom_score_adj 12 [ 104.465986] Free memory is -6832kB above reserved [ 104.493749] lowmemorykiller: Killing 'syz-executor451' (2099) (tgid 2099), adj 1000, [ 104.493749] to free 16824kB on behalf of 'kswapd0' (33) because [ 104.493749] cache 21428kB is below limit 65536kB for oom_score_adj 12 executing program [ 104.493749] Free memory is 360kB above reserved executing program executing program [ 104.588488] lowmemorykiller: Killing 'syz-executor451' (2102) (tgid 2102), adj 1000, [ 104.588488] to free 16824kB on behalf of 'kswapd0' (33) because [ 104.588488] cache 31040kB is below limit 65536kB for oom_score_adj 12 [ 104.588488] Free memory is -6708kB above reserved [ 104.651077] lowmemorykiller: Killing 'syz-executor451' (2105) (tgid 2105), adj 1000, [ 104.651077] to free 16824kB on behalf of 'kswapd0' (33) because [ 104.651077] cache 30752kB is below limit 65536kB for oom_score_adj 12 [ 104.651077] Free memory is -6880kB above reserved [ 104.688079] lowmemorykiller: Killing 'syz-executor451' (2108) (tgid 2108), adj 1000, [ 104.688079] to free 16824kB on behalf of 'syz-executor451' (3217) because [ 104.688079] cache 23452kB is below limit 65536kB for oom_score_adj 12 [ 104.688079] Free memory is -13240kB above reserved [ 104.715955] lowmemorykiller: Killing 'syz-executor451' (2111) (tgid 2111), adj 1000, [ 104.715955] to free 16824kB on behalf of 'syz-executor451' (3217) because [ 104.715955] cache 23272kB is below limit 65536kB for oom_score_adj 12 [ 104.715955] Free memory is 19388kB above reserved [ 104.743244] lowmemorykiller: Killing 'syz-executor451' (2114) (tgid 2114), adj 1000, executing program [ 104.743244] to free 16824kB on behalf of 'syz-executor451' (3217) because [ 104.743244] cache 23272kB is below limit 65536kB for oom_score_adj 12 [ 104.743244] Free memory is 36408kB above reserved [ 104.770553] lowmemorykiller: Killing 'syz-executor451' (2117) (tgid 2117), adj 1000, [ 104.770553] to free 16824kB on behalf of 'syz-executor451' (3217) because [ 104.770553] cache 23272kB is below limit 65536kB for oom_score_adj 12 [ 104.770553] Free memory is 53428kB above reserved executing program executing program executing program executing program [ 105.014073] lowmemorykiller: Killing 'syz-executor451' (3219) (tgid 3219), adj 1000, [ 105.014073] to free 16832kB on behalf of 'kswapd0' (33) because [ 105.014073] cache 26804kB is below limit 65536kB for oom_score_adj 12 [ 105.014073] Free memory is -9920kB above reserved [ 105.051001] lowmemorykiller: Killing 'syz-executor451' (2120) (tgid 2120), adj 1000, [ 105.051001] to free 16824kB on behalf of 'syz-executor451' (3233) because [ 105.051001] cache 22704kB is below limit 65536kB for oom_score_adj 12 [ 105.051001] Free memory is -13356kB above reserved [ 105.061005] lowmemorykiller: Killing 'syz-executor451' (2123) (tgid 2123), adj 1000, [ 105.061005] to free 16824kB on behalf of 'syz-executor451' (3233) because [ 105.061005] cache 22604kB is below limit 65536kB for oom_score_adj 12 [ 105.061005] Free memory is 16144kB above reserved executing program [ 105.071051] lowmemorykiller: Killing 'syz-executor451' (2126) (tgid 2126), adj 1000, [ 105.071051] to free 16824kB on behalf of 'syz-executor451' (3233) because [ 105.071051] cache 22604kB is below limit 65536kB for oom_score_adj 12 [ 105.071051] Free memory is 30644kB above reserved [ 105.080973] lowmemorykiller: Killing 'syz-executor451' (2129) (tgid 2129), adj 1000, [ 105.080973] to free 16824kB on behalf of 'syz-executor451' (3233) because [ 105.080973] cache 22604kB is below limit 65536kB for oom_score_adj 12 [ 105.080973] Free memory is 45444kB above reserved [ 105.081724] lowmemorykiller: Killing 'syz-executor451' (2132) (tgid 2132), adj 1000, [ 105.081724] to free 16824kB on behalf of 'syz-executor451' (3233) because [ 105.081724] cache 22604kB is below limit 65536kB for oom_score_adj 12 [ 105.081724] Free memory is 60044kB above reserved [ 105.081730] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 105.081734] in_atomic(): 0, irqs_disabled(): 0, pid: 3233, name: syz-executor451 [ 105.081739] 3 locks held by syz-executor451/3233: executing program [ 105.081764] #0: (&mm->mmap_sem){++++++}, at: [<00000000eb2424c4>] __mm_populate+0x20c/0x300 [ 105.081781] #1: (shrinker_rwsem){++++..}, at: [<000000004da3bc10>] shrink_slab.part.0+0xb2/0xa20 [ 105.081796] #2: (rcu_read_lock){......}, at: [<00000000ab446061>] lowmem_scan+0x242/0xb50 [ 105.081806] Preemption disabled at: [ 105.081806] [<00000000a4b4f341>] get_task_mm+0x20/0xc0 [ 105.081815] CPU: 1 PID: 3233 Comm: syz-executor451 Not tainted 4.9.180+ #4 [ 105.081830] ffff8801cb7cf440 ffffffff81b577f1 0000000000000000 0000000000000001 executing program [ 105.081841] ffff8801c52faf80 ffffffff810d0c30 ffff8801c52faf80 ffff8801cb7cf478 [ 105.081850] ffffffff8140008c ffff8801c52faf80 ffffffff82a39900 0000000000000387 [ 105.081852] Call Trace: [ 105.081862] [<00000000cbe7c0e4>] dump_stack+0xc1/0x120 [ 105.081869] [<00000000a4b4f341>] ? get_task_mm+0x20/0xc0 [ 105.081879] [<00000000d1ce270b>] ___might_sleep.cold+0x1c1/0x1fa [ 105.081889] [<00000000cdc39025>] __might_sleep+0x95/0x1a0 [ 105.081896] [<000000003f8005c7>] mmput+0x28/0x370 executing program [ 105.081903] [<000000006f51273f>] handle_lmk_event+0xea/0x8a0 [ 105.081910] [<00000000085c7220>] lowmem_scan+0x695/0xb50 [ 105.081919] [<00000000df9fa897>] shrink_slab.part.0+0x3cf/0xa20 [ 105.081927] [<00000000db04cdcc>] ? unregister_shrinker+0x230/0x230 [ 105.081936] [<000000002b86e8c2>] shrink_node+0x1ed/0x750 [ 105.081945] [<0000000070ef3ba2>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 105.081954] [<0000000034207c2a>] ? __delayacct_freepages_start+0x41/0x80 [ 105.081962] [<00000000edd2f81d>] try_to_free_pages+0x397/0xbd0 executing program [ 105.081970] [<000000001b0c0b90>] ? shrink_node+0x750/0x750 [ 105.081979] [<0000000005b98c17>] __alloc_pages_nodemask+0x930/0x1a80 [ 105.081987] [<000000001384b9ea>] ? trace_hardirqs_on+0x10/0x10 [ 105.081996] [<00000000193de42e>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 105.082004] [<00000000cdc39025>] ? __might_sleep+0x95/0x1a0 [ 105.082014] [<0000000034c75ea8>] ? anon_vma_prepare+0x64/0x3d0 [ 105.082021] [<0000000091c4dcc8>] handle_mm_fault+0x12e1/0x2420 [ 105.082029] [<000000007f29321f>] ? debug_lockdep_rcu_enabled+0x71/0xa0 executing program [ 105.082036] [<000000006712374f>] ? vm_insert_page+0x840/0x840 [ 105.082043] [<00000000a0d374a0>] ? follow_page_mask+0x583/0xf20 [ 105.082050] [<00000000c98b5030>] ? follow_page_mask+0x5e5/0xf20 [ 105.082057] [<000000004747cbe7>] ? follow_page_mask+0x38a/0xf20 [ 105.082064] [<00000000d4598384>] __get_user_pages+0x3c7/0x1060 [ 105.082071] [<0000000006bc9a8b>] ? follow_page_mask+0xf20/0xf20 [ 105.082078] [<00000000eb2424c4>] ? __mm_populate+0x20c/0x300 [ 105.082086] [<000000002f3abc98>] populate_vma_page_range+0x19a/0x230 [ 105.082092] [<00000000a4265b17>] __mm_populate+0x1b9/0x300 [ 105.082100] [<000000005ee063c9>] ? populate_vma_page_range+0x230/0x230 [ 105.082107] [<000000003e6851c9>] ? SyS_mlockall+0x34c/0x530 [ 105.082115] [<000000007e3fed3f>] SyS_mlockall+0x405/0x530 [ 105.082122] [<000000000a99a449>] ? SyS_munlock+0xf0/0xf0 [ 105.082129] [<0000000053163df3>] do_syscall_64+0x1ad/0x5c0 [ 105.082137] [<0000000056e5c7dd>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 105.082147] executing program [ 105.082149] ================================= [ 105.082150] [ INFO: inconsistent lock state ] [ 105.082155] 4.9.180+ #4 Tainted: G W [ 105.082156] --------------------------------- [ 105.082159] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 105.082166] syz-executor451/3233 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 105.082177] (&mm->mmap_sem){+++++?}, at: [<0000000028339549>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 105.082186] mark_held_locks+0xb1/0x100 [ 105.082191] lockdep_trace_alloc+0x18c/0x2b0 executing program [ 105.082198] __alloc_pages_nodemask+0x143/0x1a80 [ 105.082204] __pmd_alloc+0x4a/0x330 [ 105.082210] move_page_tables+0xadb/0xd60 [ 105.082215] shift_arg_pages+0x1ae/0x470 [ 105.082220] setup_arg_pages+0x60d/0x7c0 [ 105.082227] load_elf_binary+0xa84/0x4a90 [ 105.082233] search_binary_handler+0x14f/0x700 [ 105.082239] do_execveat_common.isra.0+0xf81/0x1db0 [ 105.082244] do_execve+0x3a/0x50 [ 105.082251] run_init_process+0x33/0x37 [ 105.082258] try_to_run_init_process+0x18/0x48 [ 105.082265] kernel_init+0xf2/0x163 executing program [ 105.082270] ret_from_fork+0x5c/0x70 [ 105.082272] irq event stamp: 16585 [ 105.082279] hardirqs last enabled at (16585): [<000000002d4cf13a>] dump_stack+0x100/0x120 [ 105.082292] hardirqs last disabled at (16584): [<000000004eaa6d78>] dump_stack+0x2c/0x120 [ 105.082302] softirqs last enabled at (16212): [<0000000013879303>] __do_softirq+0x474/0x964 [ 105.082310] softirqs last disabled at (16191): [<00000000014f5ba1>] irq_exit+0x119/0x160 [ 105.082312] [ 105.082312] other info that might help us debug this: executing program [ 105.082313] Possible unsafe locking scenario: [ 105.082313] [ 105.082314] CPU0 [ 105.082316] ---- [ 105.082320] lock(&mm->mmap_sem); [ 105.082321] [ 105.082325] lock(&mm->mmap_sem); [ 105.082326] [ 105.082326] *** DEADLOCK *** [ 105.082326] [ 105.082330] 4 locks held by syz-executor451/3233: [ 105.082342] #0: (&mm->mmap_sem){+++++?}, at: [<00000000eb2424c4>] __mm_populate+0x20c/0x300 [ 105.082355] #1: (shrinker_rwsem){++++..}, at: [<000000004da3bc10>] shrink_slab.part.0+0xb2/0xa20 executing program [ 105.082367] #2: (rcu_read_lock){......}, at: [<00000000ab446061>] lowmem_scan+0x242/0xb50 [ 105.082379] #3: (lmk_event_lock){+.+.-.}, at: [<000000005c1d27a6>] handle_lmk_event+0xfb/0x8a0 [ 105.082380] [ 105.082380] stack backtrace: [ 105.082387] CPU: 1 PID: 3233 Comm: syz-executor451 Tainted: G W 4.9.180+ #4 [ 105.082398] ffff8801cb7cf180 ffffffff81b577f1 00000000000000f0 ffff8801c52faf80 [ 105.082408] ffffffff83cad760 ffff8801c52fb8f0 ffffffff8424eec0 ffff8801cb7cf1f8 [ 105.082417] ffffffff81406ac9 0000000000000000 ffffffff00000001 0000000000000001 [ 105.082418] Call Trace: [ 105.082425] [<00000000cbe7c0e4>] dump_stack+0xc1/0x120 [ 105.082434] [<000000005047568b>] print_usage_bug.cold+0x452/0x5a2 [ 105.082441] [<00000000ea776a3b>] mark_lock+0x6c7/0x12e0 [ 105.082448] [<000000004792afa4>] ? print_irq_inversion_bug+0xa0/0xa0 [ 105.082455] [<00000000a616ceb9>] __lock_acquire+0x5c3/0x4350 [ 105.082463] [<00000000da31f3ff>] ? unwind_next_frame+0x50/0x50 [ 105.082472] [<000000007922fe98>] ? __module_text_address+0x13/0x150 executing program [ 105.082479] [<000000001384b9ea>] ? trace_hardirqs_on+0x10/0x10 [ 105.082487] [<000000007f29321f>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 105.082494] [<000000008a6e5ae2>] lock_acquire+0x133/0x3d0 [ 105.082500] [<0000000028339549>] ? get_cmdline+0xa3/0x2d0 [ 105.082508] [<0000000007a85765>] down_read+0x44/0xb0 [ 105.082514] [<0000000028339549>] ? get_cmdline+0xa3/0x2d0 [ 105.082520] [<0000000028339549>] get_cmdline+0xa3/0x2d0 [ 105.082528] [<000000001bcb5b1c>] handle_lmk_event+0x13c/0x8a0 [ 105.082535] [<00000000085c7220>] lowmem_scan+0x695/0xb50 executing program [ 105.082543] [<00000000df9fa897>] shrink_slab.part.0+0x3cf/0xa20 [ 105.082552] [<00000000db04cdcc>] ? unregister_shrinker+0x230/0x230 [ 105.082559] [<000000002b86e8c2>] shrink_node+0x1ed/0x750 [ 105.082568] [<0000000070ef3ba2>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 105.082576] [<0000000034207c2a>] ? __delayacct_freepages_start+0x41/0x80 [ 105.082584] [<00000000edd2f81d>] try_to_free_pages+0x397/0xbd0 [ 105.082592] [<000000001b0c0b90>] ? shrink_node+0x750/0x750 [ 105.082601] [<0000000005b98c17>] __alloc_pages_nodemask+0x930/0x1a80 executing program [ 105.082607] [<000000001384b9ea>] ? trace_hardirqs_on+0x10/0x10 [ 105.082616] [<00000000193de42e>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 105.082625] [<00000000cdc39025>] ? __might_sleep+0x95/0x1a0 [ 105.082633] [<0000000034c75ea8>] ? anon_vma_prepare+0x64/0x3d0 [ 105.082640] [<0000000091c4dcc8>] handle_mm_fault+0x12e1/0x2420 [ 105.082647] [<000000007f29321f>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 105.082654] [<000000006712374f>] ? vm_insert_page+0x840/0x840 [ 105.082661] [<00000000a0d374a0>] ? follow_page_mask+0x583/0xf20 executing program [ 105.082668] [<00000000c98b5030>] ? follow_page_mask+0x5e5/0xf20 [ 105.082675] [<000000004747cbe7>] ? follow_page_mask+0x38a/0xf20 [ 105.082682] [<00000000d4598384>] __get_user_pages+0x3c7/0x1060 [ 105.082689] [<0000000006bc9a8b>] ? follow_page_mask+0xf20/0xf20 [ 105.082696] [<00000000eb2424c4>] ? __mm_populate+0x20c/0x300 [ 105.082703] [<000000002f3abc98>] populate_vma_page_range+0x19a/0x230 [ 105.082710] [<00000000a4265b17>] __mm_populate+0x1b9/0x300 [ 105.082717] [<000000005ee063c9>] ? populate_vma_page_range+0x230/0x230 [ 105.082725] [<000000003e6851c9>] ? SyS_mlockall+0x34c/0x530 [ 105.082732] [<000000007e3fed3f>] SyS_mlockall+0x405/0x530 [ 105.082739] [<000000000a99a449>] ? SyS_munlock+0xf0/0xf0 [ 105.082745] [<0000000053163df3>] do_syscall_64+0x1ad/0x5c0 [ 105.082753] [<0000000056e5c7dd>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 105.476401] lowmemorykiller: Killing 'syz-executor451' (3235) (tgid 3235), adj 1000, [ 105.476401] to free 16832kB on behalf of 'syz-executor451' (3252) because executing program [ 105.476401] cache 24048kB is below limit 65536kB for oom_score_adj 12 [ 105.476401] Free memory is -13208kB above reserved [ 105.483155] lowmemorykiller: Killing 'syz-executor451' (2135) (tgid 2135), adj 1000, [ 105.483155] to free 16824kB on behalf of 'syz-executor451' (3252) because [ 105.483155] cache 23948kB is below limit 65536kB for oom_score_adj 12 [ 105.483155] Free memory is 3192kB above reserved [ 105.483568] lowmemorykiller: Killing 'syz-executor451' (2138) (tgid 2138), adj 1000, [ 105.483568] to free 16824kB on behalf of 'syz-executor451' (3252) because [ 105.483568] cache 23948kB is below limit 65536kB for oom_score_adj 12 [ 105.483568] Free memory is 17392kB above reserved [ 105.651427] lowmemorykiller: Killing 'syz-executor451' (2141) (tgid 2141), adj 1000, [ 105.651427] to free 16824kB on behalf of 'syz-executor451' (3261) because [ 105.651427] cache 23980kB is below limit 65536kB for oom_score_adj 12 [ 105.651427] Free memory is -13304kB above reserved [ 105.651979] lowmemorykiller: Killing 'syz-executor451' (2144) (tgid 2144), adj 1000, executing program [ 105.651979] to free 16824kB on behalf of 'syz-executor451' (3261) because [ 105.651979] cache 23880kB is below limit 65536kB for oom_score_adj 12 [ 105.651979] Free memory is 4248kB above reserved [ 105.780235] lowmemorykiller: Killing 'syz-executor451' (2147) (tgid 2147), adj 1000, [ 105.780235] to free 16824kB on behalf of 'syz-executor451' (3267) because [ 105.780235] cache 22712kB is below limit 65536kB for oom_score_adj 12 [ 105.780235] Free memory is -13312kB above reserved [ 105.788386] lowmemorykiller: Killing 'syz-executor451' (2150) (tgid 2150), adj 1000, [ 105.788386] to free 16824kB on behalf of 'syz-executor451' (3267) because [ 105.788386] cache 22612kB is below limit 65536kB for oom_score_adj 12 [ 105.788386] Free memory is 3288kB above reserved [ 105.788787] lowmemorykiller: Killing 'syz-executor451' (2153) (tgid 2153), adj 1000, [ 105.788787] to free 16824kB on behalf of 'syz-executor451' (3267) because [ 105.788787] cache 22612kB is below limit 65536kB for oom_score_adj 12 [ 105.788787] Free memory is 20080kB above reserved executing program [ 105.967624] lowmemorykiller: Killing 'syz-executor451' (2156) (tgid 2156), adj 1000, [ 105.967624] to free 16824kB on behalf of 'syz-executor451' (3276) because [ 105.967624] cache 22544kB is below limit 65536kB for oom_score_adj 12 [ 105.967624] Free memory is -13244kB above reserved [ 105.968075] lowmemorykiller: Killing 'syz-executor451' (2159) (tgid 2159), adj 1000, [ 105.968075] to free 16824kB on behalf of 'syz-executor451' (3276) because [ 105.968075] cache 22444kB is below limit 65536kB for oom_score_adj 12 [ 105.968075] Free memory is 3340kB above reserved executing program [ 106.094235] lowmemorykiller: Killing 'syz-executor451' (2162) (tgid 2162), adj 1000, [ 106.094235] to free 16824kB on behalf of 'syz-executor451' (3282) because [ 106.094235] cache 22376kB is below limit 65536kB for oom_score_adj 12 [ 106.094235] Free memory is -13276kB above reserved [ 106.100970] lowmemorykiller: Killing 'syz-executor451' (2165) (tgid 2165), adj 1000, [ 106.100970] to free 16824kB on behalf of 'syz-executor451' (3282) because [ 106.100970] cache 22276kB is below limit 65536kB for oom_score_adj 12 [ 106.100970] Free memory is 2824kB above reserved executing program [ 106.101261] lowmemorykiller: Killing 'syz-executor451' (2168) (tgid 2168), adj 1000, [ 106.101261] to free 16824kB on behalf of 'syz-executor451' (3282) because [ 106.101261] cache 22276kB is below limit 65536kB for oom_score_adj 12 [ 106.101261] Free memory is 17220kB above reserved [ 106.101266] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 106.101270] in_atomic(): 0, irqs_disabled(): 0, pid: 3282, name: syz-executor451 executing program [ 106.101273] INFO: lockdep is turned off. [ 106.101296] Preemption disabled at: [ 106.101296] [<00000000a4b4f341>] get_task_mm+0x20/0xc0 [ 106.101305] CPU: 1 PID: 3282 Comm: syz-executor451 Tainted: G W 4.9.180+ #4 [ 106.101317] ffff8801cb8ff440 ffffffff81b577f1 0000000000000000 0000000000000001 [ 106.101326] ffff8801cbae17c0 ffffffff810d0c30 ffff8801cbae17c0 ffff8801cb8ff478 [ 106.101334] ffffffff8140008c ffff8801cbae17c0 ffffffff82a39900 0000000000000387 [ 106.101336] Call Trace: executing program [ 106.101346] [<00000000cbe7c0e4>] dump_stack+0xc1/0x120 [ 106.101353] [<00000000a4b4f341>] ? get_task_mm+0x20/0xc0 [ 106.101361] [<00000000d1ce270b>] ___might_sleep.cold+0x1c1/0x1fa [ 106.101371] [<00000000cdc39025>] __might_sleep+0x95/0x1a0 [ 106.101379] [<000000003f8005c7>] mmput+0x28/0x370 [ 106.101387] [<000000006f51273f>] handle_lmk_event+0xea/0x8a0 [ 106.101395] [<00000000085c7220>] lowmem_scan+0x695/0xb50 [ 106.101418] [<00000000df9fa897>] shrink_slab.part.0+0x3cf/0xa20 [ 106.101425] [<00000000db04cdcc>] ? unregister_shrinker+0x230/0x230 [ 106.101436] [<0000000045d90f51>] ? io_schedule_timeout+0x390/0x390 [ 106.101444] [<000000002b86e8c2>] shrink_node+0x1ed/0x750 [ 106.101452] [<0000000070ef3ba2>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 106.101460] [<00000000edd2f81d>] try_to_free_pages+0x397/0xbd0 [ 106.101468] [<000000001b0c0b90>] ? shrink_node+0x750/0x750 [ 106.101478] [<0000000005b98c17>] __alloc_pages_nodemask+0x930/0x1a80 [ 106.101486] [<000000001384b9ea>] ? trace_hardirqs_on+0x10/0x10 [ 106.101496] [<00000000193de42e>] ? gfp_pfmemalloc_allowed+0x110/0x110 executing program [ 106.101505] [<000000006d922787>] ? check_preemption_disabled+0x3c/0x200 [ 106.101513] [<00000000cdc39025>] ? __might_sleep+0x95/0x1a0 [ 106.101520] [<00000000f0f6eccc>] ? _raw_spin_unlock_irq+0x39/0x60 [ 106.101530] [<0000000034c75ea8>] ? anon_vma_prepare+0x64/0x3d0 [ 106.101537] [<0000000091c4dcc8>] handle_mm_fault+0x12e1/0x2420 [ 106.101545] [<000000006712374f>] ? vm_insert_page+0x840/0x840 [ 106.101552] [<00000000a0d374a0>] ? follow_page_mask+0x583/0xf20 [ 106.101558] [<00000000c98b5030>] ? follow_page_mask+0x5e5/0xf20 executing program [ 106.101565] [<000000004747cbe7>] ? follow_page_mask+0x38a/0xf20 [ 106.101573] [<00000000d4598384>] __get_user_pages+0x3c7/0x1060 [ 106.101580] [<0000000006bc9a8b>] ? follow_page_mask+0xf20/0xf20 [ 106.101587] [<00000000eb2424c4>] ? __mm_populate+0x20c/0x300 [ 106.101594] [<000000002f3abc98>] populate_vma_page_range+0x19a/0x230 [ 106.101601] [<00000000a4265b17>] __mm_populate+0x1b9/0x300 [ 106.101609] [<000000005ee063c9>] ? populate_vma_page_range+0x230/0x230 [ 106.101616] [<000000003e6851c9>] ? SyS_mlockall+0x34c/0x530 [ 106.101624] [<000000007e3fed3f>] SyS_mlockall+0x405/0x530 [ 106.101631] [<000000000a99a449>] ? SyS_munlock+0xf0/0xf0 [ 106.101638] [<0000000053163df3>] do_syscall_64+0x1ad/0x5c0 [ 106.101646] [<0000000056e5c7dd>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 106.134283] lowmemorykiller: Killing 'syz-executor451' (2171) (tgid 2171), adj 1000, [ 106.134283] to free 16824kB on behalf of 'syz-executor451' (3282) because [ 106.134283] cache 22276kB is below limit 65536kB for oom_score_adj 12 [ 106.134283] Free memory is 37304kB above reserved executing program [ 106.410818] lowmemorykiller: Killing 'syz-executor451' (3284) (tgid 3284), adj 1000, [ 106.410818] to free 16832kB on behalf of 'syz-executor451' (3295) because [ 106.410818] cache 21496kB is below limit 65536kB for oom_score_adj 12 [ 106.410818] Free memory is -13264kB above reserved [ 106.413176] lowmemorykiller: Killing 'syz-executor451' (2174) (tgid 2174), adj 1000, [ 106.413176] to free 16824kB on behalf of 'kworker/u4:1' (64) because [ 106.413176] cache 21496kB is below limit 65536kB for oom_score_adj 12 [ 106.413176] Free memory is -13264kB above reserved executing program [ 106.540972] lowmemorykiller: Killing 'syz-executor451' (2177) (tgid 2177), adj 1000, [ 106.540972] to free 16824kB on behalf of 'syz-executor451' (3301) because [ 106.540972] cache 21292kB is below limit 65536kB for oom_score_adj 12 [ 106.540972] Free memory is -13276kB above reserved [ 106.550119] lowmemorykiller: Killing 'syz-executor451' (2180) (tgid 2180), adj 1000, [ 106.550119] to free 16824kB on behalf of 'syz-executor451' (3301) because [ 106.550119] cache 21292kB is below limit 65536kB for oom_score_adj 12 executing program [ 106.550119] Free memory is 724kB above reserved [ 106.557812] lowmemorykiller: Killing 'syz-executor451' (2183) (tgid 2183), adj 1000, [ 106.557812] to free 16824kB on behalf of 'syz-executor451' (3301) because [ 106.557812] cache 21192kB is below limit 65536kB for oom_score_adj 12 [ 106.557812] Free memory is 20312kB above reserved [ 106.565686] lowmemorykiller: Killing 'syz-executor451' (2186) (tgid 2186), adj 1000, [ 106.565686] to free 16824kB on behalf of 'syz-executor451' (3301) because executing program [ 106.565686] cache 21192kB is below limit 65536kB for oom_score_adj 12 [ 106.565686] Free memory is 37104kB above reserved [ 106.565967] lowmemorykiller: Killing 'syz-executor451' (2189) (tgid 2189), adj 1000, [ 106.565967] to free 16824kB on behalf of 'syz-executor451' (3301) because [ 106.565967] cache 21192kB is below limit 65536kB for oom_score_adj 12 [ 106.565967] Free memory is 54004kB above reserved [ 106.856571] lowmemorykiller: Killing 'syz-executor451' (3303) (tgid 3303), adj 1000, executing program [ 106.856571] to free 16832kB on behalf of 'syz-executor451' (3317) because [ 106.856571] cache 21028kB is below limit 65536kB for oom_score_adj 12 [ 106.856571] Free memory is -13280kB above reserved [ 106.864250] lowmemorykiller: Killing 'syz-executor451' (2192) (tgid 2192), adj 1000, [ 106.864250] to free 16824kB on behalf of 'syz-executor451' (3317) because [ 106.864250] cache 20928kB is below limit 65536kB for oom_score_adj 12 [ 106.864250] Free memory is 3948kB above reserved executing program [ 106.864703] lowmemorykiller: Killing 'syz-executor451' (2195) (tgid 2195), adj 1000, [ 106.864703] to free 16824kB on behalf of 'syz-executor451' (3317) because [ 106.864703] cache 20928kB is below limit 65536kB for oom_score_adj 12 [ 106.864703] Free memory is 20948kB above reserved [ 107.004174] lowmemorykiller: Killing 'syz-executor451' (2198) (tgid 2198), adj 1000, [ 107.004174] to free 16824kB on behalf of 'kswapd0' (33) because [ 107.004174] cache 22972kB is below limit 65536kB for oom_score_adj 12 executing program [ 107.004174] Free memory is 2376kB above reserved executing program [ 107.062897] lowmemorykiller: Killing 'syz-executor451' (2201) (tgid 2201), adj 1000, [ 107.062897] to free 16824kB on behalf of 'kswapd0' (33) because [ 107.062897] cache 23368kB is below limit 65536kB for oom_score_adj 12 [ 107.062897] Free memory is -9708kB above reserved [ 107.118544] lowmemorykiller: Killing 'syz-executor451' (2204) (tgid 2204), adj 1000, [ 107.118544] to free 16824kB on behalf of 'kswapd0' (33) because [ 107.118544] cache 23164kB is below limit 65536kB for oom_score_adj 12 [ 107.118544] Free memory is -9804kB above reserved [ 107.152229] lowmemorykiller: Killing 'syz-executor451' (2207) (tgid 2207), adj 1000, [ 107.152229] to free 16824kB on behalf of 'syz-executor451' (3332) because [ 107.152229] cache 19364kB is below limit 65536kB for oom_score_adj 12 [ 107.152229] Free memory is -11784kB above reserved [ 107.180185] lowmemorykiller: Killing 'syz-executor451' (2210) (tgid 2210), adj 1000, [ 107.180185] to free 16824kB on behalf of 'syz-executor451' (3332) because [ 107.180185] cache 19308kB is below limit 65536kB for oom_score_adj 12 [ 107.180185] Free memory is 20804kB above reserved [ 107.207432] lowmemorykiller: Killing 'syz-executor451' (2213) (tgid 2213), adj 1000, executing program [ 107.207432] to free 16824kB on behalf of 'syz-executor451' (3332) because [ 107.207432] cache 19308kB is below limit 65536kB for oom_score_adj 12 [ 107.207432] Free memory is 37948kB above reserved [ 107.234484] lowmemorykiller: Killing 'syz-executor451' (2216) (tgid 2216), adj 1000, [ 107.234484] to free 16824kB on behalf of 'syz-executor451' (3332) because [ 107.234484] cache 19308kB is below limit 65536kB for oom_score_adj 12 [ 107.234484] Free memory is 54844kB above reserved executing program executing program executing program executing program [ 107.424122] lowmemorykiller: Killing 'syz-executor451' (3335) (tgid 3335), adj 1000, [ 107.424122] to free 16832kB on behalf of 'kswapd0' (33) because [ 107.424122] cache 22708kB is below limit 65536kB for oom_score_adj 12 [ 107.424122] Free memory is -8720kB above reserved [ 107.451004] lowmemorykiller: Killing 'syz-executor451' (3348) (tgid 3348), adj 1000, [ 107.451004] to free 17008kB on behalf of 'syz-executor451' (3349) because executing program [ 107.451004] cache 18208kB is below limit 65536kB for oom_score_adj 12 [ 107.451004] Free memory is -11868kB above reserved [ 107.451212] lowmemorykiller: Killing 'syz-executor451' (3349) (tgid 3348), adj 1000, [ 107.451212] to free 17528kB on behalf of 'syz-executor451' (3349) because [ 107.451212] cache 18208kB is below limit 65536kB for oom_score_adj 12 [ 107.451212] Free memory is -11868kB above reserved [ 107.451217] BUG: sleeping function called from invalid context at kernel/fork.c:903 executing program [ 107.451222] in_atomic(): 0, irqs_disabled(): 0, pid: 3349, name: syz-executor451 [ 107.451224] INFO: lockdep is turned off. [ 107.451240] Preemption disabled at: [ 107.451241] [<00000000a4b4f341>] get_task_mm+0x20/0xc0 [ 107.451251] CPU: 1 PID: 3349 Comm: syz-executor451 Tainted: G W 4.9.180+ #4 [ 107.451265] ffff8801cfb7f4c8 ffffffff81b577f1 0000000000000000 0000000000000001 [ 107.451275] ffff8801c5755f00 ffffffff810d0c30 ffff8801c5755f00 ffff8801cfb7f500 [ 107.451285] ffffffff8140008c ffff8801c5755f00 ffffffff82a39900 0000000000000387 [ 107.451295] Call Trace: [ 107.451306] [<00000000cbe7c0e4>] dump_stack+0xc1/0x120 [ 107.451313] [<00000000a4b4f341>] ? get_task_mm+0x20/0xc0 [ 107.451322] [<00000000d1ce270b>] ___might_sleep.cold+0x1c1/0x1fa [ 107.451331] [<00000000cdc39025>] __might_sleep+0x95/0x1a0 [ 107.451339] [<000000003f8005c7>] mmput+0x28/0x370 [ 107.451348] [<000000006f51273f>] handle_lmk_event+0xea/0x8a0 [ 107.451353] [<00000000085c7220>] lowmem_scan+0x695/0xb50 [ 107.451363] [<00000000df9fa897>] shrink_slab.part.0+0x3cf/0xa20 executing program [ 107.451371] [<00000000db04cdcc>] ? unregister_shrinker+0x230/0x230 [ 107.451379] [<000000002b86e8c2>] shrink_node+0x1ed/0x750 [ 107.451387] [<0000000070ef3ba2>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 107.451397] [<0000000034207c2a>] ? __delayacct_freepages_start+0x41/0x80 [ 107.451405] [<00000000edd2f81d>] try_to_free_pages+0x397/0xbd0 [ 107.451413] [<000000001b0c0b90>] ? shrink_node+0x750/0x750 executing program [ 107.451424] [<0000000005b98c17>] __alloc_pages_nodemask+0x930/0x1a80 [ 107.451433] [<000000008f8c785a>] ? quarantine_reduce+0xc8/0x1d0 [ 107.451441] [<00000000193de42e>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 107.451449] [<00000000c24da032>] ? quarantine_reduce+0x173/0x1d0 [ 107.451457] [<0000000075e7a5d4>] ? quarantine_reduce+0x1b3/0x1d0 [ 107.451464] [<00000000698edf2c>] ? quarantine_reduce+0x95/0x1d0 [ 107.451471] [<0000000097622183>] ? kasan_unpoison_shadow+0x35/0x50 [ 107.451477] [<000000004b9f0bd5>] ? kasan_kmalloc+0xb7/0xd0 executing program [ 107.451485] [<00000000cc6caf84>] ? copy_process.part.0+0x164b/0x63f0 [ 107.451493] [<00000000d1bf3cce>] ? kasan_slab_alloc+0xf/0x20 [ 107.451500] [<00000000aa328571>] ? kmem_cache_alloc+0x155/0x2b0 [ 107.451508] [<00000000e67b2e33>] copy_process.part.0+0x286/0x63f0 [ 107.451517] [<000000007fc28b2f>] ? _raw_spin_unlock+0x2d/0x50 [ 107.451527] [<00000000474e4eed>] ? exit_robust_list+0x230/0x230 [ 107.451536] [<00000000d1ea43a6>] ? __cleanup_sighand+0x50/0x50 [ 107.451544] [<00000000c545c10b>] _do_fork+0x1b8/0xd40 executing program [ 107.451552] [<00000000e0ee7840>] ? fork_idle+0x280/0x280 [ 107.451560] [<00000000f4dddf7e>] ? SyS_futex+0x25f/0x360 [ 107.451569] [<000000004b2e5dd7>] ? __mm_populate+0x278/0x300 [ 107.451577] [<000000001a09408f>] ? do_futex+0x1a70/0x1a70 [ 107.451585] [<000000003e6851c9>] ? SyS_mlockall+0x34c/0x530 [ 107.451593] [<000000008033822e>] SyS_clone+0x37/0x50 [ 107.451600] [<0000000005aa02d2>] ? sys_vfork+0x30/0x30 [ 107.451608] [<0000000053163df3>] do_syscall_64+0x1ad/0x5c0 executing program [ 107.451617] [<0000000056e5c7dd>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 107.627035] lowmemorykiller: Killing 'syz-executor451' (2219) (tgid 2219), adj 1000, [ 107.627035] to free 16824kB on behalf of 'syz-executor451' (2084) because [ 107.627035] cache 35608kB is below limit 65536kB for oom_score_adj 12 [ 107.627035] Free memory is -13288kB above reserved [ 107.641514] lowmemorykiller: Killing 'syz-executor451' (2222) (tgid 2222), adj 1000, [ 107.641514] to free 16824kB on behalf of 'syz-executor451' (2084) because [ 107.641514] cache 32208kB is below limit 65536kB for oom_score_adj 12 [ 107.641514] Free memory is -10288kB above reserved executing program [ 107.641915] lowmemorykiller: Killing 'syz-executor451' (2225) (tgid 2225), adj 1000, [ 107.641915] to free 16824kB on behalf of 'syz-executor451' (2084) because [ 107.641915] cache 32208kB is below limit 65536kB for oom_score_adj 12 [ 107.641915] Free memory is 22740kB above reserved [ 107.767353] lowmemorykiller: Killing 'syz-executor451' (3363) (tgid 3363), adj 1000, [ 107.767353] to free 17008kB on behalf of 'syz-executor451' (3364) because [ 107.767353] cache 14608kB is below limit 16384kB for oom_score_adj 6 executing program [ 107.767353] Free memory is -9668kB above reserved [ 107.767559] lowmemorykiller: Killing 'syz-executor451' (3364) (tgid 3363), adj 1000, [ 107.767559] to free 17528kB on behalf of 'syz-executor451' (3364) because [ 107.767559] cache 14608kB is below limit 16384kB for oom_score_adj 6 [ 107.767559] Free memory is -9668kB above reserved [ 107.870840] lowmemorykiller: Killing 'syz-executor451' (2228) (tgid 2228), adj 1000, [ 107.870840] to free 16824kB on behalf of 'syz-executor451' (3370) because executing program [ 107.870840] cache 25908kB is below limit 65536kB for oom_score_adj 12 [ 107.870840] Free memory is -13328kB above reserved [ 107.882969] lowmemorykiller: Killing 'syz-executor451' (2233) (tgid 2233), adj 1000, [ 107.882969] to free 16824kB on behalf of 'syz-executor451' (3370) because [ 107.882969] cache 24308kB is below limit 65536kB for oom_score_adj 12 [ 107.882969] Free memory is -13180kB above reserved [ 107.883192] lowmemorykiller: Killing 'syz-executor451' (2237) (tgid 2237), adj 1000, [ 107.883192] to free 16824kB on behalf of 'syz-executor451' (3370) because [ 107.883192] cache 24308kB is below limit 65536kB for oom_score_adj 12 [ 107.883192] Free memory is -11880kB above reserved [ 108.048036] lowmemorykiller: Killing 'syz-executor451' (2243) (tgid 2243), adj 1000, [ 108.048036] to free 16824kB on behalf of 'syz-executor451' (3379) because [ 108.048036] cache 24708kB is below limit 65536kB for oom_score_adj 12 [ 108.048036] Free memory is -13276kB above reserved [ 108.055485] lowmemorykiller: Killing 'syz-executor451' (2246) (tgid 2246), adj 1000, executing program [ 108.055485] to free 16824kB on behalf of 'syz-executor451' (3379) because [ 108.055485] cache 24708kB is below limit 65536kB for oom_score_adj 12 [ 108.055485] Free memory is 3248kB above reserved [ 108.062061] lowmemorykiller: Killing 'syz-executor451' (2249) (tgid 2249), adj 1000, [ 108.062061] to free 16824kB on behalf of 'syz-executor451' (3379) because [ 108.062061] cache 24708kB is below limit 65536kB for oom_score_adj 12 [ 108.062061] Free memory is 20144kB above reserved [ 108.070231] lowmemorykiller: Killing 'syz-executor451' (2252) (tgid 2252), adj 1000, executing program [ 108.070231] to free 16824kB on behalf of 'syz-executor451' (3379) because [ 108.070231] cache 24708kB is below limit 65536kB for oom_score_adj 12 [ 108.070231] Free memory is 34244kB above reserved [ 108.077665] lowmemorykiller: Killing 'syz-executor451' (2255) (tgid 2255), adj 1000, [ 108.077665] to free 16824kB on behalf of 'syz-executor451' (3379) because [ 108.077665] cache 24708kB is below limit 65536kB for oom_score_adj 12 [ 108.077665] Free memory is 54060kB above reserved executing program executing program [ 108.201864] lowmemorykiller: Killing 'syz-executor451' (3381) (tgid 3381), adj 1000, [ 108.201864] to free 16832kB on behalf of 'kswapd0' (33) because [ 108.201864] cache 12908kB is below limit 65536kB for oom_score_adj 12 [ 108.201864] Free memory is 25836kB above reserved executing program [ 108.308552] lowmemorykiller: Killing 'syz-executor451' (3394) (tgid 3394), adj 1000, [ 108.308552] to free 17008kB on behalf of 'kswapd0' (33) because [ 108.308552] cache 12644kB is below limit 16384kB for oom_score_adj 6 [ 108.308552] Free memory is -7668kB above reserved [ 108.334711] lowmemorykiller: Killing 'syz-executor451' (3395) (tgid 3394), adj 1000, [ 108.334711] to free 17528kB on behalf of 'kswapd0' (33) because [ 108.334711] cache 12644kB is below limit 16384kB for oom_score_adj 6 executing program [ 108.334711] Free memory is -7668kB above reserved [ 108.361289] lowmemorykiller: Killing 'syz-executor451' (2258) (tgid 2258), adj 1000, [ 108.361289] to free 16824kB on behalf of 'kswapd0' (33) because [ 108.361289] cache 30244kB is below limit 65536kB for oom_score_adj 12 [ 108.361289] Free memory is -7668kB above reserved [ 108.395632] lowmemorykiller: Killing 'syz-executor451' (2261) (tgid 2261), adj 1000, executing program [ 108.395632] to free 16824kB on behalf of 'kswapd0' (33) because [ 108.395632] cache 30240kB is below limit 65536kB for oom_score_adj 12 [ 108.395632] Free memory is 25656kB above reserved [ 108.421932] lowmemorykiller: Killing 'syz-executor451' (2264) (tgid 2264), adj 1000, [ 108.421932] to free 16824kB on behalf of 'kswapd0' (33) because [ 108.421932] cache 13240kB is below limit 65536kB for oom_score_adj 12 [ 108.421932] Free memory is 25656kB above reserved executing program executing program [ 108.456360] lowmemorykiller: Killing 'syz-executor451' (2267) (tgid 2267), adj 1000, [ 108.456360] to free 16824kB on behalf of 'kswapd0' (33) because [ 108.456360] cache 30340kB is below limit 65536kB for oom_score_adj 12 [ 108.456360] Free memory is 42244kB above reserved [ 108.482706] lowmemorykiller: Killing 'syz-executor451' (2270) (tgid 2270), adj 1000, [ 108.482706] to free 16824kB on behalf of 'kswapd0' (33) because [ 108.482706] cache 13240kB is below limit 65536kB for oom_score_adj 12 [ 108.482706] Free memory is 42540kB above reserved executing program executing program [ 108.614363] lowmemorykiller: Killing 'syz-executor451' (3412) (tgid 3412), adj 1000, [ 108.614363] to free 17008kB on behalf of 'kswapd0' (33) because [ 108.614363] cache 12652kB is below limit 16384kB for oom_score_adj 6 [ 108.614363] Free memory is -6820kB above reserved [ 108.640704] lowmemorykiller: Killing 'syz-executor451' (3413) (tgid 3412), adj 1000, [ 108.640704] to free 17528kB on behalf of 'kswapd0' (33) because [ 108.640704] cache 12652kB is below limit 16384kB for oom_score_adj 6 executing program [ 108.640704] Free memory is -6976kB above reserved [ 108.667557] lowmemorykiller: Killing 'syz-executor451' (2273) (tgid 2273), adj 1000, [ 108.667557] to free 16824kB on behalf of 'kswapd0' (33) because [ 108.667557] cache 30252kB is below limit 65536kB for oom_score_adj 12 [ 108.667557] Free memory is -6976kB above reserved [ 108.694580] lowmemorykiller: Killing 'syz-executor451' (2276) (tgid 2276), adj 1000, [ 108.694580] to free 16824kB on behalf of 'kswapd0' (33) because executing program [ 108.694580] cache 30348kB is below limit 65536kB for oom_score_adj 12 [ 108.694580] Free memory is 26256kB above reserved [ 108.721680] lowmemorykiller: Killing 'syz-executor451' (2279) (tgid 2279), adj 1000, [ 108.721680] to free 16824kB on behalf of 'kswapd0' (33) because [ 108.721680] cache 12648kB is below limit 65536kB for oom_score_adj 12 [ 108.721680] Free memory is 27844kB above reserved [ 108.755691] lowmemorykiller: Killing 'syz-executor451' (2282) (tgid 2282), adj 1000, executing program [ 108.755691] to free 16824kB on behalf of 'kswapd0' (33) because [ 108.755691] cache 13448kB is below limit 65536kB for oom_score_adj 12 [ 108.755691] Free memory is 44152kB above reserved executing program executing program [ 108.875119] lowmemorykiller: Killing 'syz-executor451' (3427) (tgid 3427), adj 1000, [ 108.875119] to free 17008kB on behalf of 'kswapd0' (33) because [ 108.875119] cache 12660kB is below limit 16384kB for oom_score_adj 6 [ 108.875119] Free memory is -5920kB above reserved [ 108.901693] lowmemorykiller: Killing 'syz-executor451' (3428) (tgid 3427), adj 1000, [ 108.901693] to free 17528kB on behalf of 'kswapd0' (33) because [ 108.901693] cache 12660kB is below limit 16384kB for oom_score_adj 6 executing program [ 108.901693] Free memory is -5888kB above reserved [ 108.934306] lowmemorykiller: Killing 'syz-executor451' (2285) (tgid 2285), adj 1000, [ 108.934306] to free 16824kB on behalf of 'kswapd0' (33) because [ 108.934306] cache 30260kB is below limit 65536kB for oom_score_adj 12 [ 108.934306] Free memory is -6076kB above reserved [ 108.960632] lowmemorykiller: Killing 'syz-executor451' (2288) (tgid 2288), adj 1000, [ 108.960632] to free 16824kB on behalf of 'kswapd0' (33) because [ 108.960632] cache 30260kB is below limit 65536kB for oom_score_adj 12 [ 108.960632] Free memory is 26700kB above reserved [ 108.987036] lowmemorykiller: Killing 'syz-executor451' (3430) (tgid 3430), adj 1000, [ 108.987036] to free 17008kB on behalf of 'kswapd0' (33) because [ 108.987036] cache 13060kB is below limit 65536kB for oom_score_adj 12 [ 108.987036] Free memory is 27652kB above reserved [ 109.013843] lowmemorykiller: Killing 'syz-executor451' (2291) (tgid 2291), adj 1000, executing program executing program [ 109.013843] to free 16824kB on behalf of 'kswapd0' (33) because [ 109.013843] cache 30260kB is below limit 65536kB for oom_score_adj 12 [ 109.013843] Free memory is 27356kB above reserved [ 109.047473] lowmemorykiller: Killing 'syz-executor451' (2294) (tgid 2294), adj 1000, [ 109.047473] to free 16824kB on behalf of 'kswapd0' (33) because [ 109.047473] cache 30260kB is below limit 65536kB for oom_score_adj 12 [ 109.047473] Free memory is 60388kB above reserved executing program executing program executing program executing program [ 109.208020] lowmemorykiller: Killing 'syz-executor451' (2297) (tgid 2297), adj 1000, [ 109.208020] to free 16824kB on behalf of 'kswapd0' (33) because [ 109.208020] cache 30364kB is below limit 65536kB for oom_score_adj 12 [ 109.208020] Free memory is -6396kB above reserved [ 109.264554] lowmemorykiller: Killing 'syz-executor451' (2300) (tgid 2300), adj 1000, [ 109.264554] to free 16824kB on behalf of 'syz-executor451' (3448) because [ 109.264554] cache 22164kB is below limit 65536kB for oom_score_adj 12 [ 109.264554] Free memory is -13264kB above reserved [ 109.270243] lowmemorykiller: Killing 'syz-executor451' (2303) (tgid 2303), adj 1000, [ 109.270243] to free 16824kB on behalf of 'kswapd0' (33) because [ 109.270243] cache 22164kB is below limit 65536kB for oom_score_adj 12 [ 109.270243] Free memory is 15712kB above reserved [ 109.270667] lowmemorykiller: Killing 'syz-executor451' (2306) (tgid 2306), adj 1000, [ 109.270667] to free 16824kB on behalf of 'kswapd0' (33) because [ 109.270667] cache 22164kB is below limit 65536kB for oom_score_adj 12 [ 109.270667] Free memory is 35912kB above reserved [ 109.270672] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 109.270677] in_atomic(): 0, irqs_disabled(): 0, pid: 33, name: kswapd0 [ 109.270679] INFO: lockdep is turned off. [ 109.270695] Preemption disabled at: [ 109.270695] [<00000000a4b4f341>] get_task_mm+0x20/0xc0 [ 109.270704] CPU: 1 PID: 33 Comm: kswapd0 Tainted: G W 4.9.180+ #4 [ 109.270718] ffff8801d8ddf7c0 ffffffff81b577f1 0000000000000000 0000000000000001 [ 109.270728] ffff8801d9c45f00 ffffffff810d0c30 ffff8801d9c45f00 ffff8801d8ddf7f8 [ 109.270737] ffffffff8140008c ffff8801d9c45f00 ffffffff82a39900 0000000000000387 [ 109.270739] Call Trace: [ 109.270749] [<00000000cbe7c0e4>] dump_stack+0xc1/0x120 [ 109.270757] [<00000000a4b4f341>] ? get_task_mm+0x20/0xc0 [ 109.270767] [<00000000d1ce270b>] ___might_sleep.cold+0x1c1/0x1fa [ 109.270776] [<00000000cdc39025>] __might_sleep+0x95/0x1a0 [ 109.270783] [<000000003f8005c7>] mmput+0x28/0x370 [ 109.270791] [<000000006f51273f>] handle_lmk_event+0xea/0x8a0 [ 109.270798] [<00000000085c7220>] lowmem_scan+0x695/0xb50 [ 109.270807] [<00000000df9fa897>] shrink_slab.part.0+0x3cf/0xa20 [ 109.270814] [<00000000db04cdcc>] ? unregister_shrinker+0x230/0x230 [ 109.270822] [<00000000f0f6eccc>] ? _raw_spin_unlock_irq+0x39/0x60 [ 109.270830] [<000000000ea1c1cf>] ? finish_task_switch+0x1e5/0x660 [ 109.270837] [<000000001074340b>] ? finish_task_switch+0x1b7/0x660 [ 109.270844] [<00000000752574fb>] ? __switch_to_asm+0x41/0x70 [ 109.270852] [<000000002b86e8c2>] shrink_node+0x1ed/0x750 [ 109.270860] [<0000000070ef3ba2>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 109.270868] [<0000000071f25fa9>] kswapd+0x7f8/0x13b0 [ 109.270877] [<000000008745f31b>] ? try_to_free_pages+0xbd0/0xbd0 [ 109.270887] [<00000000190a0001>] ? autoremove_wake_function.part.0+0x130/0x130 [ 109.270896] [<00000000e3db1f1f>] ? __kthread_parkme+0x173/0x240 [ 109.270910] [<000000008745f31b>] ? try_to_free_pages+0xbd0/0xbd0 [ 109.270917] [<0000000019ba0f66>] kthread+0x278/0x310 [ 109.270924] [<00000000f97a8e34>] ? kthread_park+0xa0/0xa0 [ 109.270933] [<000000007f29321f>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 109.270941] [<00000000f0f6eccc>] ? _raw_spin_unlock_irq+0x39/0x60 [ 109.270949] [<000000000ea1c1cf>] ? finish_task_switch+0x1e5/0x660 [ 109.270957] [<000000001074340b>] ? finish_task_switch+0x1b7/0x660 [ 109.270963] [<00000000752574fb>] ? __switch_to_asm+0x41/0x70 [ 109.270970] [<0000000013ac462a>] ? __switch_to_asm+0x35/0x70 [ 109.270977] [<00000000752574fb>] ? __switch_to_asm+0x41/0x70 [ 109.270984] [<00000000f97a8e34>] ? kthread_park+0xa0/0xa0 [ 109.270991] [<00000000f97a8e34>] ? kthread_park+0xa0/0xa0 [ 109.270998] [<000000002b71b1f5>] ret_from_fork+0x5c/0x70 [ 109.606349] lowmemorykiller: Killing 'syz-executor451' (2309) (tgid 2309), adj 1000, executing program [ 109.606349] to free 16824kB on behalf of 'syz-executor451' (3448) because [ 109.606349] cache 22092kB is below limit 65536kB for oom_score_adj 12 [ 109.606349] Free memory is 53420kB above reserved executing program executing program executing program [ 109.764381] lowmemorykiller: Killing 'syz-executor451' (3460) (tgid 3460), adj 1000, [ 109.764381] to free 17008kB on behalf of 'kswapd0' (33) because [ 109.764381] cache 12156kB is below limit 16384kB for oom_score_adj 6 [ 109.764381] Free memory is -5936kB above reserved [ 109.791546] lowmemorykiller: Killing 'syz-executor451' (3461) (tgid 3460), adj 1000, [ 109.791546] to free 17528kB on behalf of 'kswapd0' (33) because [ 109.791546] cache 12156kB is below limit 16384kB for oom_score_adj 6 executing program [ 109.791546] Free memory is -6124kB above reserved [ 109.817853] lowmemorykiller: Killing 'syz-executor451' (3450) (tgid 3450), adj 1000, [ 109.817853] to free 16832kB on behalf of 'kswapd0' (33) because [ 109.817853] cache 29756kB is below limit 65536kB for oom_score_adj 12 [ 109.817853] Free memory is -6124kB above reserved [ 109.844497] lowmemorykiller: Killing 'syz-executor451' (2312) (tgid 2312), adj 1000, [ 109.844497] to free 16824kB on behalf of 'kswapd0' (33) because [ 109.844497] cache 29852kB is below limit 65536kB for oom_score_adj 12 [ 109.844497] Free memory is 27204kB above reserved [ 109.877946] lowmemorykiller: Killing 'syz-executor451' (2315) (tgid 2315), adj 1000, [ 109.877946] to free 16824kB on behalf of 'kswapd0' (33) because [ 109.877946] cache 29852kB is below limit 65536kB for oom_score_adj 12 [ 109.877946] Free memory is 44036kB above reserved [ 109.904202] lowmemorykiller: Killing 'syz-executor451' (2318) (tgid 2318), adj 1000, executing program executing program [ 109.904202] to free 16824kB on behalf of 'kswapd0' (33) because [ 109.904202] cache 12752kB is below limit 65536kB for oom_score_adj 12 [ 109.904202] Free memory is 43936kB above reserved [ 109.930765] lowmemorykiller: Killing 'syz-executor451' (2321) (tgid 2321), adj 1000, [ 109.930765] to free 16824kB on behalf of 'kswapd0' (33) because [ 109.930765] cache 29852kB is below limit 65536kB for oom_score_adj 12 [ 109.930765] Free memory is 60336kB above reserved executing program executing program executing program [ 110.081209] lowmemorykiller: Killing 'syz-executor451' (3478) (tgid 3478), adj 1000, [ 110.081209] to free 17008kB on behalf of 'kswapd0' (33) because [ 110.081209] cache 12208kB is below limit 16384kB for oom_score_adj 6 [ 110.081209] Free memory is -6500kB above reserved [ 110.107537] lowmemorykiller: Killing 'syz-executor451' (3479) (tgid 3478), adj 1000, [ 110.107537] to free 17528kB on behalf of 'kswapd0' (33) because [ 110.107537] cache 12208kB is below limit 16384kB for oom_score_adj 6 executing program [ 110.107537] Free memory is -6500kB above reserved [ 110.134026] lowmemorykiller: Killing 'syz-executor451' (2324) (tgid 2324), adj 1000, [ 110.134026] to free 16824kB on behalf of 'kswapd0' (33) because [ 110.134026] cache 29808kB is below limit 65536kB for oom_score_adj 12 [ 110.134026] Free memory is -6656kB above reserved [ 110.169044] lowmemorykiller: Killing 'syz-executor451' (2327) (tgid 2327), adj 1000, executing program [ 110.169044] to free 16824kB on behalf of 'kswapd0' (33) because [ 110.169044] cache 29904kB is below limit 65536kB for oom_score_adj 12 [ 110.169044] Free memory is 26568kB above reserved [ 110.195626] lowmemorykiller: Killing 'syz-executor451' (2330) (tgid 2330), adj 1000, [ 110.195626] to free 16824kB on behalf of 'kswapd0' (33) because [ 110.195626] cache 12804kB is below limit 65536kB for oom_score_adj 12 [ 110.195626] Free memory is 26880kB above reserved [ 110.221923] lowmemorykiller: Killing 'syz-executor451' (2333) (tgid 2333), adj 1000, executing program [ 110.221923] to free 16824kB on behalf of 'kswapd0' (33) because [ 110.221923] cache 29904kB is below limit 65536kB for oom_score_adj 12 [ 110.221923] Free memory is 43304kB above reserved executing program executing program executing program [ 110.361428] lowmemorykiller: Killing 'syz-executor451' (2336) (tgid 2336), adj 1000, [ 110.361428] to free 16824kB on behalf of 'kswapd0' (33) because [ 110.361428] cache 29968kB is below limit 65536kB for oom_score_adj 12 [ 110.361428] Free memory is -6676kB above reserved [ 110.395341] lowmemorykiller: Killing 'syz-executor451' (2339) (tgid 2339), adj 1000, [ 110.395341] to free 16824kB on behalf of 'syz-executor451' (3497) because [ 110.395341] cache 21968kB is below limit 65536kB for oom_score_adj 12 [ 110.395341] Free memory is -13360kB above reserved [ 110.403391] lowmemorykiller: Killing 'syz-executor451' (2342) (tgid 2342), adj 1000, [ 110.403391] to free 16824kB on behalf of 'kswapd0' (33) because [ 110.403391] cache 21968kB is below limit 65536kB for oom_score_adj 12 [ 110.403391] Free memory is 18616kB above reserved [ 110.403754] lowmemorykiller: Killing 'syz-executor451' (2345) (tgid 2345), adj 1000, [ 110.403754] to free 16824kB on behalf of 'kswapd0' (33) because [ 110.403754] cache 21968kB is below limit 65536kB for oom_score_adj 12 [ 110.403754] Free memory is 36384kB above reserved [ 110.403759] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 110.403763] in_atomic(): 0, irqs_disabled(): 0, pid: 33, name: kswapd0 [ 110.403765] INFO: lockdep is turned off. [ 110.403781] Preemption disabled at: [ 110.403781] [<00000000a4b4f341>] get_task_mm+0x20/0xc0 [ 110.403798] CPU: 0 PID: 33 Comm: kswapd0 Tainted: G W 4.9.180+ #4 [ 110.403811] ffff8801d8ddf7c0 ffffffff81b577f1 0000000000000000 0000000000000001 [ 110.403821] ffff8801d9c45f00 ffffffff810d0c30 ffff8801d9c45f00 ffff8801d8ddf7f8 [ 110.403831] ffffffff8140008c ffff8801d9c45f00 ffffffff82a39900 0000000000000387 [ 110.403833] Call Trace: [ 110.403844] [<00000000cbe7c0e4>] dump_stack+0xc1/0x120 [ 110.403851] [<00000000a4b4f341>] ? get_task_mm+0x20/0xc0 [ 110.403861] [<00000000d1ce270b>] ___might_sleep.cold+0x1c1/0x1fa [ 110.403870] [<00000000cdc39025>] __might_sleep+0x95/0x1a0 [ 110.403877] [<000000003f8005c7>] mmput+0x28/0x370 [ 110.403886] [<000000006f51273f>] handle_lmk_event+0xea/0x8a0 [ 110.403893] [<00000000085c7220>] lowmem_scan+0x695/0xb50 [ 110.403904] [<00000000df9fa897>] shrink_slab.part.0+0x3cf/0xa20 [ 110.403912] [<00000000db04cdcc>] ? unregister_shrinker+0x230/0x230 [ 110.403920] [<00000000f0f6eccc>] ? _raw_spin_unlock_irq+0x39/0x60 [ 110.403928] [<000000000ea1c1cf>] ? finish_task_switch+0x1e5/0x660 [ 110.403935] [<000000001074340b>] ? finish_task_switch+0x1b7/0x660 [ 110.403942] [<00000000752574fb>] ? __switch_to_asm+0x41/0x70 [ 110.403950] [<000000002b86e8c2>] shrink_node+0x1ed/0x750 [ 110.403958] [<0000000070ef3ba2>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 110.403966] [<0000000071f25fa9>] kswapd+0x7f8/0x13b0 [ 110.403975] [<000000008745f31b>] ? try_to_free_pages+0xbd0/0xbd0 [ 110.403984] [<00000000190a0001>] ? autoremove_wake_function.part.0+0x130/0x130 [ 110.403992] [<00000000e3db1f1f>] ? __kthread_parkme+0x173/0x240 [ 110.404000] [<000000008745f31b>] ? try_to_free_pages+0xbd0/0xbd0 [ 110.404007] [<0000000019ba0f66>] kthread+0x278/0x310 [ 110.404014] [<00000000f97a8e34>] ? kthread_park+0xa0/0xa0 [ 110.404022] [<000000007f29321f>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 110.404029] [<00000000f0f6eccc>] ? _raw_spin_unlock_irq+0x39/0x60 [ 110.404037] [<000000000ea1c1cf>] ? finish_task_switch+0x1e5/0x660 [ 110.404045] [<000000001074340b>] ? finish_task_switch+0x1b7/0x660 [ 110.404052] [<00000000752574fb>] ? __switch_to_asm+0x41/0x70 [ 110.404058] [<0000000013ac462a>] ? __switch_to_asm+0x35/0x70 [ 110.404065] [<00000000752574fb>] ? __switch_to_asm+0x41/0x70 executing program [ 110.404072] [<00000000f97a8e34>] ? kthread_park+0xa0/0xa0 [ 110.404079] [<00000000f97a8e34>] ? kthread_park+0xa0/0xa0 [ 110.404086] [<000000002b71b1f5>] ret_from_fork+0x5c/0x70 [ 110.726444] lowmemorykiller: Killing 'syz-executor451' (2348) (tgid 2348), adj 1000, [ 110.726444] to free 16824kB on behalf of 'syz-executor451' (3497) because [ 110.726444] cache 21972kB is below limit 65536kB for oom_score_adj 12 [ 110.726444] Free memory is 53964kB above reserved executing program executing program executing program [ 110.885499] lowmemorykiller: Killing 'syz-executor451' (3509) (tgid 3509), adj 1000, [ 110.885499] to free 17008kB on behalf of 'kswapd0' (33) because [ 110.885499] cache 11864kB is below limit 16384kB for oom_score_adj 6 [ 110.885499] Free memory is -5652kB above reserved [ 110.911831] lowmemorykiller: Killing 'syz-executor451' (3510) (tgid 3509), adj 1000, [ 110.911831] to free 17528kB on behalf of 'kswapd0' (33) because [ 110.911831] cache 11864kB is below limit 16384kB for oom_score_adj 6 executing program [ 110.911831] Free memory is -5840kB above reserved [ 110.938897] lowmemorykiller: Killing 'syz-executor451' (3499) (tgid 3499), adj 1000, [ 110.938897] to free 16832kB on behalf of 'kswapd0' (33) because [ 110.938897] cache 29464kB is below limit 65536kB for oom_score_adj 12 [ 110.938897] Free memory is -3340kB above reserved [ 110.973420] lowmemorykiller: Killing 'syz-executor451' (2351) (tgid 2351), adj 1000, executing program [ 110.973420] to free 16824kB on behalf of 'kswapd0' (33) because [ 110.973420] cache 29560kB is below limit 65536kB for oom_score_adj 12 [ 110.973420] Free memory is 27488kB above reserved [ 110.999779] lowmemorykiller: Killing 'syz-executor451' (2354) (tgid 2354), adj 1000, [ 110.999779] to free 16824kB on behalf of 'kswapd0' (33) because [ 110.999779] cache 12460kB is below limit 65536kB for oom_score_adj 12 [ 110.999779] Free memory is 27352kB above reserved [ 111.035073] lowmemorykiller: Killing 'syz-executor451' (2357) (tgid 2357), adj 1000, [ 111.035073] to free 16824kB on behalf of 'kswapd0' (33) because [ 111.035073] cache 27460kB is below limit 65536kB for oom_score_adj 12 [ 111.035073] Free memory is 43100kB above reserved [ 111.063192] lowmemorykiller: Killing 'syz-executor451' (2360) (tgid 2360), adj 1000, [ 111.063192] to free 16824kB on behalf of 'kswapd0' (33) because [ 111.063192] cache 12560kB is below limit 65536kB for oom_score_adj 12 executing program [ 111.063192] Free memory is 44376kB above reserved executing program executing program INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes executing program executing program INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes [ 111.235242] lowmemorykiller: Killing 'syz-executor451' (2363) (tgid 2363), adj 1000, [ 111.235242] to free 16824kB on behalf of 'kswapd0' (33) because [ 111.235242] cache 23980kB is below limit 65536kB for oom_score_adj 12 [ 111.235242] Free memory is -9680kB above reserved [ 111.281321] lowmemorykiller: Killing 'syz-executor451' (2366) (tgid 2366), adj 1000, [ 111.281321] to free 16824kB on behalf of 'kswapd0' (33) because executing program [ 111.281321] cache 13180kB is below limit 16384kB for oom_score_adj 6 [ 111.281321] Free memory is -4876kB above reserved [ 111.307811] lowmemorykiller: Killing 'syz-executor451' (2369) (tgid 2369), adj 1000, [ 111.307811] to free 16824kB on behalf of 'kswapd0' (33) because [ 111.307811] cache 29580kB is below limit 65536kB for oom_score_adj 12 [ 111.307811] Free memory is 11464kB above reserved [ 111.334255] lowmemorykiller: Killing 'syz-executor451' (3533) (tgid 3533), adj 1000, [ 111.334255] to free 17008kB on behalf of 'kswapd0' (33) because executing program [ 111.334255] cache 11980kB is below limit 16384kB for oom_score_adj 6 [ 111.334255] Free memory is 11912kB above reserved [ 111.360610] lowmemorykiller: Killing 'syz-executor451' (2372) (tgid 2372), adj 1000, [ 111.360610] to free 16824kB on behalf of 'kswapd0' (33) because [ 111.360610] cache 26480kB is below limit 65536kB for oom_score_adj 12 [ 111.360610] Free memory is 11664kB above reserved executing program executing program [ 111.394799] lowmemorykiller: Killing 'syz-executor451' (2375) (tgid 2375), adj 1000, [ 111.394799] to free 16824kB on behalf of 'kswapd0' (33) because [ 111.394799] cache 29580kB is below limit 65536kB for oom_score_adj 12 [ 111.394799] Free memory is 45164kB above reserved [ 111.423651] lowmemorykiller: Killing 'syz-executor451' (2378) (tgid 2378), adj 1000, [ 111.423651] to free 16824kB on behalf of 'kswapd0' (33) because [ 111.423651] cache 12480kB is below limit 65536kB for oom_score_adj 12 [ 111.423651] Free memory is 45732kB above reserved executing program executing program executing program [ 111.577589] lowmemorykiller: Killing 'syz-executor451' (2381) (tgid 2381), adj 1000, [ 111.577589] to free 16824kB on behalf of 'kswapd0' (33) because [ 111.577589] cache 23988kB is below limit 65536kB for oom_score_adj 12 [ 111.577589] Free memory is -9716kB above reserved [ 111.606026] lowmemorykiller: Killing 'syz-executor451' (2384) (tgid 2384), adj 1000, [ 111.606026] to free 16824kB on behalf of 'kswapd0' (33) because [ 111.606026] cache 12188kB is below limit 16384kB for oom_score_adj 6 executing program [ 111.606026] Free memory is -4912kB above reserved [ 111.639405] lowmemorykiller: Killing 'syz-executor451' (2387) (tgid 2387), adj 1000, [ 111.639405] to free 16824kB on behalf of 'kswapd0' (33) because [ 111.639405] cache 25888kB is below limit 65536kB for oom_score_adj 12 [ 111.639405] Free memory is 11688kB above reserved [ 111.666018] lowmemorykiller: Killing 'syz-executor451' (2390) (tgid 2390), adj 1000, executing program [ 111.666018] to free 16824kB on behalf of 'kswapd0' (33) because [ 111.666018] cache 12188kB is below limit 16384kB for oom_score_adj 6 [ 111.666018] Free memory is 12456kB above reserved [ 111.699348] lowmemorykiller: Killing 'syz-executor451' (2393) (tgid 2393), adj 1000, [ 111.699348] to free 16824kB on behalf of 'kswapd0' (33) because [ 111.699348] cache 23788kB is below limit 65536kB for oom_score_adj 12 [ 111.699348] Free memory is 28856kB above reserved executing program [ 111.725886] lowmemorykiller: Killing 'syz-executor451' (2396) (tgid 2396), adj 1000, [ 111.725886] to free 16824kB on behalf of 'kswapd0' (33) because [ 111.725886] cache 12088kB is below limit 65536kB for oom_score_adj 12 [ 111.725886] Free memory is 29352kB above reserved [ 111.760020] lowmemorykiller: Killing 'syz-executor451' (2399) (tgid 2399), adj 1000, [ 111.760020] to free 16824kB on behalf of 'kswapd0' (33) because executing program executing program [ 111.760020] cache 22188kB is below limit 65536kB for oom_score_adj 12 [ 111.760020] Free memory is 45752kB above reserved executing program executing program [ 111.896844] lowmemorykiller: Killing 'syz-executor451' (2402) (tgid 2402), adj 1000, [ 111.896844] to free 16824kB on behalf of 'kswapd0' (33) because [ 111.896844] cache 23344kB is below limit 65536kB for oom_score_adj 12 [ 111.896844] Free memory is -9620kB above reserved [ 111.924312] lowmemorykiller: Killing 'syz-executor451' (2405) (tgid 2405), adj 1000, executing program [ 111.924312] to free 16824kB on behalf of 'syz-executor451' (3573) because [ 111.924312] cache 18544kB is below limit 65536kB for oom_score_adj 12 [ 111.924312] Free memory is -13264kB above reserved [ 111.924317] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 111.924321] in_atomic(): 0, irqs_disabled(): 0, pid: 3573, name: syz-executor451 [ 111.924323] INFO: lockdep is turned off. [ 111.924338] Preemption disabled at: [ 111.924339] [<00000000a4b4f341>] get_task_mm+0x20/0xc0 executing program [ 111.924348] CPU: 1 PID: 3573 Comm: syz-executor451 Tainted: G W 4.9.180+ #4 [ 111.924361] ffff8801ca80f440 ffffffff81b577f1 0000000000000000 0000000000000001 [ 111.924370] ffff8801ca8517c0 ffffffff810d0c30 ffff8801ca8517c0 ffff8801ca80f478 [ 111.924379] ffffffff8140008c ffff8801ca8517c0 ffffffff82a39900 0000000000000387 [ 111.924380] Call Trace: [ 111.924390] [<00000000cbe7c0e4>] dump_stack+0xc1/0x120 [ 111.924397] [<00000000a4b4f341>] ? get_task_mm+0x20/0xc0 [ 111.924406] [<00000000d1ce270b>] ___might_sleep.cold+0x1c1/0x1fa [ 111.924415] [<00000000cdc39025>] __might_sleep+0x95/0x1a0 [ 111.924422] [<000000003f8005c7>] mmput+0x28/0x370 [ 111.924430] [<000000006f51273f>] handle_lmk_event+0xea/0x8a0 [ 111.924437] [<00000000085c7220>] lowmem_scan+0x695/0xb50 [ 111.924447] [<00000000df9fa897>] shrink_slab.part.0+0x3cf/0xa20 [ 111.924455] [<00000000db04cdcc>] ? unregister_shrinker+0x230/0x230 [ 111.924463] [<000000002b86e8c2>] shrink_node+0x1ed/0x750 executing program [ 111.924472] [<0000000070ef3ba2>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 111.924482] [<0000000034207c2a>] ? __delayacct_freepages_start+0x41/0x80 [ 111.924491] [<00000000edd2f81d>] try_to_free_pages+0x397/0xbd0 [ 111.924499] [<000000001b0c0b90>] ? shrink_node+0x750/0x750 [ 111.924510] [<0000000005b98c17>] __alloc_pages_nodemask+0x930/0x1a80 [ 111.924518] [<000000001384b9ea>] ? trace_hardirqs_on+0x10/0x10 [ 111.924527] [<000000000ea1c1cf>] ? finish_task_switch+0x1e5/0x660 [ 111.924536] [<00000000193de42e>] ? gfp_pfmemalloc_allowed+0x110/0x110 executing program [ 111.924546] [<000000006d922787>] ? check_preemption_disabled+0x3c/0x200 [ 111.924555] [<00000000cdc39025>] ? __might_sleep+0x95/0x1a0 [ 111.924563] [<00000000f0f6eccc>] ? _raw_spin_unlock_irq+0x39/0x60 [ 111.924573] [<0000000034c75ea8>] ? anon_vma_prepare+0x64/0x3d0 [ 111.924581] [<0000000091c4dcc8>] handle_mm_fault+0x12e1/0x2420 [ 111.924589] [<000000006712374f>] ? vm_insert_page+0x840/0x840 [ 111.924596] [<00000000a0d374a0>] ? follow_page_mask+0x583/0xf20 [ 111.924604] [<00000000c98b5030>] ? follow_page_mask+0x5e5/0xf20 executing program [ 111.924611] [<000000004747cbe7>] ? follow_page_mask+0x38a/0xf20 [ 111.924619] [<00000000d4598384>] __get_user_pages+0x3c7/0x1060 [ 111.924627] [<0000000006bc9a8b>] ? follow_page_mask+0xf20/0xf20 [ 111.924633] [<00000000eb2424c4>] ? __mm_populate+0x20c/0x300 [ 111.924640] [<000000002f3abc98>] populate_vma_page_range+0x19a/0x230 [ 111.924647] [<00000000a4265b17>] __mm_populate+0x1b9/0x300 [ 111.924654] [<000000005ee063c9>] ? populate_vma_page_range+0x230/0x230 [ 111.924660] [<000000003e6851c9>] ? SyS_mlockall+0x34c/0x530 executing program [ 111.924667] [<000000007e3fed3f>] SyS_mlockall+0x405/0x530 [ 111.924674] [<000000000a99a449>] ? SyS_munlock+0xf0/0xf0 [ 111.924681] [<0000000053163df3>] do_syscall_64+0x1ad/0x5c0 [ 111.924688] [<0000000056e5c7dd>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 112.050342] lowmemorykiller: Killing 'syz-executor451' (2408) (tgid 2408), adj 1000, [ 112.050342] to free 16824kB on behalf of 'syz-executor451' (3579) because [ 112.050342] cache 18932kB is below limit 65536kB for oom_score_adj 12 [ 112.050342] Free memory is -13220kB above reserved [ 112.050737] lowmemorykiller: Killing 'syz-executor451' (2411) (tgid 2411), adj 1000, [ 112.050737] to free 16824kB on behalf of 'syz-executor451' (3579) because [ 112.050737] cache 18932kB is below limit 65536kB for oom_score_adj 12 [ 112.050737] Free memory is 3180kB above reserved [ 112.163149] lowmemorykiller: Killing 'syz-executor451' (2414) (tgid 2414), adj 1000, [ 112.163149] to free 16824kB on behalf of 'syz-executor451' (3585) because [ 112.163149] cache 18532kB is below limit 65536kB for oom_score_adj 12 executing program [ 112.163149] Free memory is -13280kB above reserved [ 112.170965] lowmemorykiller: Killing 'syz-executor451' (2417) (tgid 2417), adj 1000, [ 112.170965] to free 16824kB on behalf of 'syz-executor451' (3585) because [ 112.170965] cache 18532kB is below limit 65536kB for oom_score_adj 12 [ 112.170965] Free memory is 804kB above reserved [ 112.178864] lowmemorykiller: Killing 'syz-executor451' (2420) (tgid 2420), adj 1000, [ 112.178864] to free 16824kB on behalf of 'syz-executor451' (3585) because executing program [ 112.178864] cache 18532kB is below limit 65536kB for oom_score_adj 12 [ 112.178864] Free memory is 18204kB above reserved [ 112.186199] lowmemorykiller: Killing 'syz-executor451' (2423) (tgid 2423), adj 1000, [ 112.186199] to free 16824kB on behalf of 'syz-executor451' (3585) because [ 112.186199] cache 18532kB is below limit 65536kB for oom_score_adj 12 [ 112.186199] Free memory is 37004kB above reserved [ 112.193082] lowmemorykiller: Killing 'syz-executor451' (2426) (tgid 2426), adj 1000, [ 112.193082] to free 16824kB on behalf of 'syz-executor451' (3585) because executing program [ 112.193082] cache 18532kB is below limit 65536kB for oom_score_adj 12 [ 112.193082] Free memory is 53932kB above reserved [ 112.456437] lowmemorykiller: Killing 'syz-executor451' (3587) (tgid 3587), adj 1000, [ 112.456437] to free 16832kB on behalf of 'syz-executor451' (3601) because [ 112.456437] cache 18580kB is below limit 65536kB for oom_score_adj 12 [ 112.456437] Free memory is -13240kB above reserved [ 112.467687] lowmemorykiller: Killing 'syz-executor451' (2429) (tgid 2429), adj 1000, [ 112.467687] to free 16824kB on behalf of 'syz-executor451' (3601) because [ 112.467687] cache 17380kB is below limit 65536kB for oom_score_adj 12 [ 112.467687] Free memory is -13312kB above reserved [ 112.467989] lowmemorykiller: Killing 'syz-executor451' (2432) (tgid 2432), adj 1000, executing program executing program [ 112.467989] to free 16824kB on behalf of 'syz-executor451' (3601) because [ 112.467989] cache 17380kB is below limit 65536kB for oom_score_adj 12 [ 112.467989] Free memory is 19288kB above reserved [ 112.475947] lowmemorykiller: Killing 'syz-executor451' (2435) (tgid 2435), adj 1000, [ 112.475947] to free 16824kB on behalf of 'syz-executor451' (3601) because [ 112.475947] cache 17380kB is below limit 65536kB for oom_score_adj 12 [ 112.475947] Free memory is 19412kB above reserved [ 112.476271] lowmemorykiller: Killing 'syz-executor451' (2438) (tgid 2438), adj 1000, [ 112.476271] to free 16824kB on behalf of 'syz-executor451' (3601) because [ 112.476271] cache 17380kB is below limit 65536kB for oom_score_adj 12 [ 112.476271] Free memory is 53108kB above reserved [ 112.618993] lowmemorykiller: Killing 'syz-executor451' (2441) (tgid 2441), adj 1000, [ 112.618993] to free 16824kB on behalf of 'kswapd0' (33) because [ 112.618993] cache 10980kB is below limit 65536kB for oom_score_adj 12 [ 112.618993] Free memory is 30508kB above reserved executing program [ 112.651044] lowmemorykiller: Killing 'syz-executor451' (2444) (tgid 2444), adj 1000, [ 112.651044] to free 16824kB on behalf of 'kswapd0' (33) because [ 112.651044] cache 24580kB is below limit 65536kB for oom_score_adj 12 [ 112.651044] Free memory is 46908kB above reserved [ 112.685794] lowmemorykiller: Killing 'syz-executor451' (2447) (tgid 2447), adj 1000, [ 112.685794] to free 16824kB on behalf of 'kswapd0' (33) because executing program executing program [ 112.685794] cache 28416kB is below limit 65536kB for oom_score_adj 12 [ 112.685794] Free memory is 63852kB above reserved [ 112.712003] lowmemorykiller: Killing 'syz-executor451' (2450) (tgid 2450), adj 1000, [ 112.712003] to free 16824kB on behalf of 'kswapd0' (33) because [ 112.712003] cache 11316kB is below limit 65536kB for oom_score_adj 12 [ 112.712003] Free memory is 64284kB above reserved executing program executing program executing program executing program [ 112.897826] lowmemorykiller: Killing 'syz-executor451' (2453) (tgid 2453), adj 1000, [ 112.897826] to free 16824kB on behalf of 'kswapd0' (33) because [ 112.897826] cache 20820kB is below limit 65536kB for oom_score_adj 12 [ 112.897826] Free memory is -9656kB above reserved [ 112.926661] lowmemorykiller: Killing 'syz-executor451' (2456) (tgid 2456), adj 1000, [ 112.926661] to free 16824kB on behalf of 'kswapd0' (33) because executing program [ 112.926661] cache 11120kB is below limit 16384kB for oom_score_adj 6 [ 112.926661] Free memory is -2712kB above reserved [ 112.956603] lowmemorykiller: Killing 'syz-executor451' (2459) (tgid 2459), adj 1000, [ 112.956603] to free 16824kB on behalf of 'kswapd0' (33) because [ 112.956603] cache 28384kB is below limit 65536kB for oom_score_adj 12 [ 112.956603] Free memory is 13820kB above reserved [ 112.990801] lowmemorykiller: Killing 'syz-executor451' (2462) (tgid 2462), adj 1000, [ 112.990801] to free 16824kB on behalf of 'kswapd0' (33) because [ 112.990801] cache 28424kB is below limit 65536kB for oom_score_adj 12 [ 112.990801] Free memory is 30676kB above reserved [ 113.017109] lowmemorykiller: Killing 'syz-executor451' (2465) (tgid 2465), adj 1000, [ 113.017109] to free 16824kB on behalf of 'kswapd0' (33) because [ 113.017109] cache 11324kB is below limit 65536kB for oom_score_adj 12 [ 113.017109] Free memory is 30708kB above reserved executing program [ 113.043707] lowmemorykiller: Killing 'syz-executor451' (2468) (tgid 2468), adj 1000, [ 113.043707] to free 16824kB on behalf of 'kswapd0' (33) because [ 113.043707] cache 28424kB is below limit 65536kB for oom_score_adj 12 [ 113.043707] Free memory is 46984kB above reserved [ 113.078691] lowmemorykiller: Killing 'syz-executor451' (2471) (tgid 2471), adj 1000, [ 113.078691] to free 16824kB on behalf of 'kswapd0' (33) because executing program executing program [ 113.078691] cache 28424kB is below limit 65536kB for oom_score_adj 12 [ 113.078691] Free memory is 64104kB above reserved [ 113.106562] lowmemorykiller: Killing 'syz-executor451' (2474) (tgid 2474), adj 1000, [ 113.106562] to free 16824kB on behalf of 'kswapd0' (33) because [ 113.106562] cache 11224kB is below limit 65536kB for oom_score_adj 12 [ 113.106562] Free memory is 64484kB above reserved executing program executing program executing program executing program [ 113.313733] lowmemorykiller: Killing 'syz-executor451' (2477) (tgid 2477), adj 1000, [ 113.313733] to free 16824kB on behalf of 'kswapd0' (33) because [ 113.313733] cache 20928kB is below limit 65536kB for oom_score_adj 12 [ 113.313733] Free memory is -9716kB above reserved [ 113.340798] lowmemorykiller: Killing 'syz-executor451' (2480) (tgid 2480), adj 1000, [ 113.340798] to free 16824kB on behalf of 'kswapd0' (33) because [ 113.340798] cache 11128kB is below limit 16384kB for oom_score_adj 6 executing program [ 113.340798] Free memory is -3020kB above reserved [ 113.375501] lowmemorykiller: Killing 'syz-executor451' (2483) (tgid 2483), adj 1000, [ 113.375501] to free 16824kB on behalf of 'kswapd0' (33) because [ 113.375501] cache 27828kB is below limit 65536kB for oom_score_adj 12 [ 113.375501] Free memory is 13380kB above reserved [ 113.402465] lowmemorykiller: Killing 'syz-executor451' (2486) (tgid 2486), adj 1000, executing program [ 113.402465] to free 16824kB on behalf of 'kswapd0' (33) because [ 113.402465] cache 11328kB is below limit 16384kB for oom_score_adj 6 [ 113.402465] Free memory is 13340kB above reserved [ 113.437686] lowmemorykiller: Killing 'syz-executor451' (2489) (tgid 2489), adj 1000, [ 113.437686] to free 16824kB on behalf of 'kswapd0' (33) because [ 113.437686] cache 28428kB is below limit 65536kB for oom_score_adj 12 [ 113.437686] Free memory is 30052kB above reserved executing program [ 113.464344] lowmemorykiller: Killing 'syz-executor451' (2492) (tgid 2492), adj 1000, [ 113.464344] to free 16824kB on behalf of 'kswapd0' (33) because [ 113.464344] cache 11228kB is below limit 65536kB for oom_score_adj 12 [ 113.464344] Free memory is 30280kB above reserved [ 113.497779] lowmemorykiller: Killing 'syz-executor451' (2495) (tgid 2495), adj 1000, executing program executing program [ 113.497779] to free 16824kB on behalf of 'kswapd0' (33) because [ 113.497779] cache 28428kB is below limit 65536kB for oom_score_adj 12 [ 113.497779] Free memory is 46648kB above reserved executing program executing program [ 113.642311] lowmemorykiller: Killing 'syz-executor451' (2498) (tgid 2498), adj 1000, [ 113.642311] to free 16824kB on behalf of 'kswapd0' (33) because [ 113.642311] cache 20228kB is below limit 65536kB for oom_score_adj 12 [ 113.642311] Free memory is -9668kB above reserved [ 113.676063] lowmemorykiller: Killing 'syz-executor451' (2501) (tgid 2501), adj 1000, [ 113.676063] to free 16824kB on behalf of 'syz-executor451' (3673) because [ 113.676063] cache 15828kB is below limit 16384kB for oom_score_adj 6 [ 113.676063] Free memory is -13364kB above reserved [ 113.683162] lowmemorykiller: Killing 'syz-executor451' (2504) (tgid 2504), adj 1000, [ 113.683162] to free 16824kB on behalf of 'kswapd0' (33) because [ 113.683162] cache 15828kB is below limit 65536kB for oom_score_adj 12 [ 113.683162] Free memory is 18528kB above reserved [ 113.683563] lowmemorykiller: Killing 'syz-executor451' (2507) (tgid 2507), adj 1000, [ 113.683563] to free 16824kB on behalf of 'kswapd0' (33) because [ 113.683563] cache 15828kB is below limit 65536kB for oom_score_adj 12 [ 113.683563] Free memory is 34828kB above reserved [ 113.683567] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 113.683572] in_atomic(): 0, irqs_disabled(): 0, pid: 33, name: kswapd0 [ 113.683574] INFO: lockdep is turned off. [ 113.683590] Preemption disabled at: [ 113.683590] [<00000000a4b4f341>] get_task_mm+0x20/0xc0 [ 113.683600] CPU: 1 PID: 33 Comm: kswapd0 Tainted: G W 4.9.180+ #4 [ 113.683612] ffff8801d8ddf7c0 ffffffff81b577f1 0000000000000000 0000000000000001 [ 113.683622] ffff8801d9c45f00 ffffffff810d0c30 ffff8801d9c45f00 ffff8801d8ddf7f8 [ 113.683631] ffffffff8140008c ffff8801d9c45f00 ffffffff82a39900 0000000000000387 [ 113.683633] Call Trace: [ 113.683644] [<00000000cbe7c0e4>] dump_stack+0xc1/0x120 [ 113.683652] [<00000000a4b4f341>] ? get_task_mm+0x20/0xc0 [ 113.683661] [<00000000d1ce270b>] ___might_sleep.cold+0x1c1/0x1fa [ 113.683671] [<00000000cdc39025>] __might_sleep+0x95/0x1a0 [ 113.683678] [<000000003f8005c7>] mmput+0x28/0x370 [ 113.683687] [<000000006f51273f>] handle_lmk_event+0xea/0x8a0 [ 113.683695] [<00000000085c7220>] lowmem_scan+0x695/0xb50 [ 113.683705] [<00000000df9fa897>] shrink_slab.part.0+0x3cf/0xa20 [ 113.683713] [<00000000db04cdcc>] ? unregister_shrinker+0x230/0x230 [ 113.683722] [<00000000f0f6eccc>] ? _raw_spin_unlock_irq+0x39/0x60 [ 113.683729] [<000000000ea1c1cf>] ? finish_task_switch+0x1e5/0x660 [ 113.683738] [<000000001074340b>] ? finish_task_switch+0x1b7/0x660 [ 113.683745] [<00000000752574fb>] ? __switch_to_asm+0x41/0x70 [ 113.683753] [<000000002b86e8c2>] shrink_node+0x1ed/0x750 [ 113.683762] [<0000000070ef3ba2>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 113.683769] [<0000000071f25fa9>] kswapd+0x7f8/0x13b0 [ 113.683778] [<000000008745f31b>] ? try_to_free_pages+0xbd0/0xbd0 [ 113.683788] [<00000000190a0001>] ? autoremove_wake_function.part.0+0x130/0x130 [ 113.683796] [<00000000e3db1f1f>] ? __kthread_parkme+0x173/0x240 [ 113.683804] [<000000008745f31b>] ? try_to_free_pages+0xbd0/0xbd0 [ 113.683811] [<0000000019ba0f66>] kthread+0x278/0x310 [ 113.683818] [<00000000f97a8e34>] ? kthread_park+0xa0/0xa0 [ 113.683826] [<000000007f29321f>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 113.683834] [<00000000f0f6eccc>] ? _raw_spin_unlock_irq+0x39/0x60 [ 113.683842] [<000000000ea1c1cf>] ? finish_task_switch+0x1e5/0x660 [ 113.683850] [<000000001074340b>] ? finish_task_switch+0x1b7/0x660 [ 113.683857] [<00000000752574fb>] ? __switch_to_asm+0x41/0x70 [ 113.683864] [<0000000013ac462a>] ? __switch_to_asm+0x35/0x70 [ 113.683870] [<00000000752574fb>] ? __switch_to_asm+0x41/0x70 executing program [ 113.683877] [<00000000f97a8e34>] ? kthread_park+0xa0/0xa0 [ 113.683884] [<00000000f97a8e34>] ? kthread_park+0xa0/0xa0 [ 113.683891] [<000000002b71b1f5>] ret_from_fork+0x5c/0x70 [ 114.006866] lowmemorykiller: Killing 'syz-executor451' (2510) (tgid 2510), adj 1000, [ 114.006866] to free 16824kB on behalf of 'syz-executor451' (3673) because [ 114.006866] cache 15828kB is below limit 65536kB for oom_score_adj 12 [ 114.006866] Free memory is 53268kB above reserved executing program executing program executing program executing program [ 114.186349] lowmemorykiller: Killing 'syz-executor451' (3675) (tgid 3675), adj 1000, [ 114.186349] to free 16832kB on behalf of 'kswapd0' (33) because [ 114.186349] cache 19536kB is below limit 65536kB for oom_score_adj 12 [ 114.186349] Free memory is -9820kB above reserved [ 114.220503] lowmemorykiller: Killing 'syz-executor451' (2513) (tgid 2513), adj 1000, [ 114.220503] to free 16824kB on behalf of 'syz-executor451' (3689) because [ 114.220503] cache 15436kB is below limit 16384kB for oom_score_adj 6 [ 114.220503] Free memory is -13312kB above reserved [ 114.228465] lowmemorykiller: Killing 'syz-executor451' (2516) (tgid 2516), adj 1000, [ 114.228465] to free 16824kB on behalf of 'kswapd0' (33) because [ 114.228465] cache 15436kB is below limit 65536kB for oom_score_adj 12 [ 114.228465] Free memory is 19164kB above reserved [ 114.228863] lowmemorykiller: Killing 'syz-executor451' (2519) (tgid 2519), adj 1000, executing program [ 114.228863] to free 16824kB on behalf of 'kswapd0' (33) because [ 114.228863] cache 15436kB is below limit 65536kB for oom_score_adj 12 [ 114.228863] Free memory is 35940kB above reserved [ 114.299740] lowmemorykiller: Killing 'syz-executor451' (2522) (tgid 2522), adj 1000, [ 114.299740] to free 16824kB on behalf of 'syz-executor451' (3689) because [ 114.299740] cache 15568kB is below limit 65536kB for oom_score_adj 12 [ 114.299740] Free memory is 53132kB above reserved executing program executing program executing program executing program [ 114.479362] lowmemorykiller: Killing 'syz-executor451' (3691) (tgid 3691), adj 1000, [ 114.479362] to free 16832kB on behalf of 'kswapd0' (33) because [ 114.479362] cache 19176kB is below limit 65536kB for oom_score_adj 12 [ 114.479362] Free memory is -9668kB above reserved [ 114.506301] lowmemorykiller: Killing 'syz-executor451' (2525) (tgid 2525), adj 1000, executing program [ 114.506301] to free 16824kB on behalf of 'syz-executor451' (3705) because [ 114.506301] cache 14976kB is below limit 16384kB for oom_score_adj 6 [ 114.506301] Free memory is -13420kB above reserved [ 114.549481] lowmemorykiller: Killing 'syz-executor451' (2528) (tgid 2528), adj 1000, [ 114.549481] to free 16824kB on behalf of 'kswapd0' (33) because [ 114.549481] cache 24784kB is below limit 65536kB for oom_score_adj 12 [ 114.549481] Free memory is 12872kB above reserved [ 114.577930] lowmemorykiller: Killing 'syz-executor451' (2531) (tgid 2531), adj 1000, [ 114.577930] to free 16824kB on behalf of 'kswapd0' (33) because [ 114.577930] cache 9684kB is below limit 16384kB for oom_score_adj 6 [ 114.577930] Free memory is 15320kB above reserved [ 114.605745] lowmemorykiller: Killing 'syz-executor451' (2534) (tgid 2534), adj 1000, [ 114.605745] to free 16824kB on behalf of 'kswapd0' (33) because [ 114.605745] cache 9812kB is below limit 16384kB for oom_score_adj 6 executing program [ 114.605745] Free memory is 15352kB above reserved [ 114.632289] lowmemorykiller: Killing 'syz-executor451' (2537) (tgid 2537), adj 1000, [ 114.632289] to free 16824kB on behalf of 'kswapd0' (33) because [ 114.632289] cache 9912kB is below limit 65536kB for oom_score_adj 12 [ 114.632289] Free memory is 31876kB above reserved [ 114.666385] lowmemorykiller: Killing 'syz-executor451' (2540) (tgid 2540), adj 1000, [ 114.666385] to free 16824kB on behalf of 'kswapd0' (33) because executing program executing program [ 114.666385] cache 22312kB is below limit 65536kB for oom_score_adj 12 [ 114.666385] Free memory is 48676kB above reserved executing program executing program executing program [ 114.839791] lowmemorykiller: Killing 'syz-executor451' (2543) (tgid 2543), adj 1000, [ 114.839791] to free 16824kB on behalf of 'kswapd0' (33) because [ 114.839791] cache 17896kB is below limit 65536kB for oom_score_adj 12 [ 114.839791] Free memory is -9796kB above reserved [ 114.866588] lowmemorykiller: Killing 'syz-executor451' (2546) (tgid 2546), adj 1000, executing program [ 114.866588] to free 16824kB on behalf of 'syz-executor451' (3726) because [ 114.866588] cache 13796kB is below limit 16384kB for oom_score_adj 6 [ 114.866588] Free memory is -13300kB above reserved [ 114.866593] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 114.866598] in_atomic(): 0, irqs_disabled(): 0, pid: 3726, name: syz-executor451 [ 114.866600] INFO: lockdep is turned off. [ 114.866615] Preemption disabled at: [ 114.866616] [<00000000a4b4f341>] get_task_mm+0x20/0xc0 executing program [ 114.866625] CPU: 0 PID: 3726 Comm: syz-executor451 Tainted: G W 4.9.180+ #4 [ 114.866638] ffff8801cab0f440 ffffffff81b577f1 0000000000000000 0000000000000001 [ 114.866647] ffff8801ca90df00 ffffffff810d0c30 ffff8801ca90df00 ffff8801cab0f478 [ 114.866656] ffffffff8140008c ffff8801ca90df00 ffffffff82a39900 0000000000000387 [ 114.866658] Call Trace: [ 114.866668] [<00000000cbe7c0e4>] dump_stack+0xc1/0x120 [ 114.866674] [<00000000a4b4f341>] ? get_task_mm+0x20/0xc0 [ 114.866685] [<00000000d1ce270b>] ___might_sleep.cold+0x1c1/0x1fa executing program [ 114.866694] [<00000000cdc39025>] __might_sleep+0x95/0x1a0 [ 114.866700] [<000000003f8005c7>] mmput+0x28/0x370 [ 114.866709] [<000000006f51273f>] handle_lmk_event+0xea/0x8a0 [ 114.866716] [<00000000085c7220>] lowmem_scan+0x695/0xb50 [ 114.866726] [<00000000df9fa897>] shrink_slab.part.0+0x3cf/0xa20 [ 114.866734] [<00000000db04cdcc>] ? unregister_shrinker+0x230/0x230 [ 114.866742] [<000000002b86e8c2>] shrink_node+0x1ed/0x750 executing program [ 114.866750] [<0000000070ef3ba2>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 114.866759] [<0000000034207c2a>] ? __delayacct_freepages_start+0x41/0x80 [ 114.866766] [<00000000edd2f81d>] try_to_free_pages+0x397/0xbd0 [ 114.866774] [<000000001b0c0b90>] ? shrink_node+0x750/0x750 [ 114.866792] [<0000000005b98c17>] __alloc_pages_nodemask+0x930/0x1a80 [ 114.866800] [<000000001384b9ea>] ? trace_hardirqs_on+0x10/0x10 [ 114.866809] [<00000000193de42e>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 114.866818] [<000000006d922787>] ? check_preemption_disabled+0x3c/0x200 [ 114.866827] [<00000000cdc39025>] ? __might_sleep+0x95/0x1a0 [ 114.866835] [<00000000f0f6eccc>] ? _raw_spin_unlock_irq+0x39/0x60 [ 114.866844] [<0000000034c75ea8>] ? anon_vma_prepare+0x64/0x3d0 [ 114.866853] [<0000000091c4dcc8>] handle_mm_fault+0x12e1/0x2420 [ 114.866861] [<000000006712374f>] ? vm_insert_page+0x840/0x840 [ 114.866868] [<00000000a0d374a0>] ? follow_page_mask+0x583/0xf20 [ 114.866875] [<00000000c98b5030>] ? follow_page_mask+0x5e5/0xf20 executing program [ 114.866883] [<000000004747cbe7>] ? follow_page_mask+0x38a/0xf20 [ 114.866891] [<00000000d4598384>] __get_user_pages+0x3c7/0x1060 [ 114.866898] [<0000000006bc9a8b>] ? follow_page_mask+0xf20/0xf20 [ 114.866906] [<00000000eb2424c4>] ? __mm_populate+0x20c/0x300 [ 114.866913] [<000000002f3abc98>] populate_vma_page_range+0x19a/0x230 [ 114.866921] [<00000000a4265b17>] __mm_populate+0x1b9/0x300 [ 114.866929] [<000000005ee063c9>] ? populate_vma_page_range+0x230/0x230 [ 114.866936] [<000000003e6851c9>] ? SyS_mlockall+0x34c/0x530 executing program