lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 35980kB on behalf of 'kswapd0' (33) because cache 45612kB is below limit 65536kB for oom_score_adj 12 Free memory is 6552kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:905 in_atomic(): 0, irqs_disabled(): 0, pid: 33, name: kswapd0 2 locks held by kswapd0/33: #0: (shrinker_rwsem){++++..}, at: [<000000004044f62d>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<00000000376e9903>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 Preemption disabled at: [<00000000416f7be5>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000416f7be5>] task_lock include/linux/sched.h:3217 [inline] [<00000000416f7be5>] get_task_mm+0x20/0xc0 kernel/fork.c:1012 CPU: 0 PID: 33 Comm: kswapd0 Not tainted 4.9.189+ #22 ffff8801d8def7c0 ffffffff81b65c01 0000000000000000 0000000000000001 ffff8801d992c740 ffffffff810d1010 ffff8801d992c740 ffff8801d8def7f8 ffffffff814018f3 ffff8801d992c740 ffffffff82a39fc0 0000000000000389 Call Trace: [<00000000bcd63249>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000bcd63249>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000a70378dc>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000005f789282>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000877ea368>] mmput+0x28/0x370 kernel/fork.c:905 [<00000000351871b7>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000006e91b8db>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000af1acd19>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000af1acd19>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000deb65f79>] shrink_slab mm/vmscan.c:466 [inline] [<00000000deb65f79>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<0000000019cbeb0c>] kswapd_shrink_node mm/vmscan.c:3209 [inline] [<0000000019cbeb0c>] balance_pgdat mm/vmscan.c:3329 [inline] [<0000000019cbeb0c>] kswapd+0x7f8/0x13b0 mm/vmscan.c:3523 [<00000000ec2af194>] kthread+0x278/0x310 kernel/kthread.c:211 [<0000000045843c08>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375 ================================= [ INFO: inconsistent lock state ] 4.9.189+ #22 Tainted: G W --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. kswapd0/33 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<000000001c98a860>] get_cmdline+0xa3/0x2d0 mm/util.c:641 mark_held_locks+0xb1/0x100 kernel/locking/lockdep.c:2660 __lockdep_trace_alloc kernel/locking/lockdep.c:2882 [inline] lockdep_trace_alloc+0x18c/0x2b0 kernel/locking/lockdep.c:2897 __alloc_pages_nodemask+0x143/0x1a80 mm/page_alloc.c:3803 __alloc_pages include/linux/gfp.h:433 [inline] __alloc_pages_node include/linux/gfp.h:446 [inline] alloc_pages_node include/linux/gfp.h:460 [inline] pmd_alloc_one arch/x86/include/asm/pgalloc.h:88 [inline] __pmd_alloc+0x4a/0x330 mm/memory.c:3742 pmd_alloc include/linux/mm.h:1625 [inline] alloc_new_pmd mm/mremap.c:64 [inline] move_page_tables+0xadb/0xd60 mm/mremap.c:212 shift_arg_pages+0x1ae/0x470 fs/exec.c:642 setup_arg_pages+0x60d/0x7c0 fs/exec.c:754 load_elf_binary+0xa84/0x4a90 fs/binfmt_elf.c:860 search_binary_handler fs/exec.c:1621 [inline] search_binary_handler+0x14f/0x700 fs/exec.c:1599 exec_binprm fs/exec.c:1663 [inline] do_execveat_common.isra.0+0xf81/0x1db0 fs/exec.c:1785 do_execve+0x3a/0x50 fs/exec.c:1829 run_init_process+0x33/0x37 init/main.c:904 try_to_run_init_process+0x18/0x48 init/main.c:913 kernel_init+0xf2/0x163 init/main.c:984 ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375 irq event stamp: 85611 hardirqs last enabled at (85611): [<000000002ef26c92>] dump_stack+0x100/0x120 lib/dump_stack.c:56 hardirqs last disabled at (85610): [<000000007f381167>] dump_stack+0x2c/0x120 lib/dump_stack.c:38 softirqs last enabled at (82772): [<0000000043313964>] __do_softirq+0x474/0x964 kernel/softirq.c:314 softirqs last disabled at (82721): [<00000000924ba31f>] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (82721): [<00000000924ba31f>] irq_exit+0x119/0x160 kernel/softirq.c:409 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&mm->mmap_sem); lock(&mm->mmap_sem); *** DEADLOCK *** 3 locks held by kswapd0/33: #0: (shrinker_rwsem){++++..}, at: [<000000004044f62d>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<00000000376e9903>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 #2: (lmk_event_lock){+.+.-.}, at: [<00000000faa0b0d0>] spin_lock include/linux/spinlock.h:302 [inline] #2: (lmk_event_lock){+.+.-.}, at: [<00000000faa0b0d0>] handle_lmk_event+0xfb/0x8a0 drivers/staging/android/lowmemorykiller.c:114 stack backtrace: CPU: 0 PID: 33 Comm: kswapd0 Tainted: G W 4.9.189+ #22 ffff8801d8def500 ffffffff81b65c01 00000000000000f0 ffff8801d992c740 ffffffff83caf950 ffff8801d992d088 ffffffff84250fc0 ffff8801d8def578 ffffffff81408330 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<00000000bcd63249>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000bcd63249>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000059799dff>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<0000000059799dff>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<00000000b2810802>] valid_state kernel/locking/lockdep.c:2400 [inline] [<00000000b2810802>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<00000000b2810802>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<00000000d90c1b1f>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<00000000d90c1b1f>] __lock_acquire+0x5be/0x4390 kernel/locking/lockdep.c:3302 [<00000000ed900af2>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<000000009064b0bc>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<000000001c98a860>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<00000000a9ddef6f>] handle_lmk_event+0x13c/0x8a0 drivers/staging/android/lowmemorykiller.c:128 [<000000006e91b8db>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000af1acd19>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000af1acd19>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000deb65f79>] shrink_slab mm/vmscan.c:466 [inline] [<00000000deb65f79>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<0000000019cbeb0c>] kswapd_shrink_node mm/vmscan.c:3209 [inline] [<0000000019cbeb0c>] balance_pgdat mm/vmscan.c:3329 [inline] [<0000000019cbeb0c>] kswapd+0x7f8/0x13b0 mm/vmscan.c:3523 [<00000000ec2af194>] kthread+0x278/0x310 kernel/kthread.c:211 [<0000000045843c08>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375 lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'kswapd0' (33) because cache 452kB is below limit 6144kB for oom_score_adj 0 Free memory is -13232kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:905 in_atomic(): 0, irqs_disabled(): 0, pid: 33, name: kswapd0 INFO: lockdep is turned off. Preemption disabled at: [<00000000416f7be5>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000416f7be5>] task_lock include/linux/sched.h:3217 [inline] [<00000000416f7be5>] get_task_mm+0x20/0xc0 kernel/fork.c:1012 CPU: 0 PID: 33 Comm: kswapd0 Tainted: G W 4.9.189+ #22 ffff8801d8def7c0 ffffffff81b65c01 0000000000000000 0000000000000001 ffff8801d992c740 ffffffff810d1010 ffff8801d992c740 ffff8801d8def7f8 ffffffff814018f3 ffff8801d992c740 ffffffff82a39fc0 0000000000000389 Call Trace: [<00000000bcd63249>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000bcd63249>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000a70378dc>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000005f789282>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000877ea368>] mmput+0x28/0x370 kernel/fork.c:905 [<00000000351871b7>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000006e91b8db>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000af1acd19>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000af1acd19>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000deb65f79>] shrink_slab mm/vmscan.c:466 [inline] [<00000000deb65f79>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<0000000019cbeb0c>] kswapd_shrink_node mm/vmscan.c:3209 [inline] [<0000000019cbeb0c>] balance_pgdat mm/vmscan.c:3329 [inline] [<0000000019cbeb0c>] kswapd+0x7f8/0x13b0 mm/vmscan.c:3523 [<00000000ec2af194>] kthread+0x278/0x310 kernel/kthread.c:211 [<0000000045843c08>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375 lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'init' (1) because cache 256kB is below limit 6144kB for oom_score_adj 0 Free memory is -13348kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:905 in_atomic(): 0, irqs_disabled(): 0, pid: 1, name: init INFO: lockdep is turned off. Preemption disabled at: [<00000000416f7be5>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000416f7be5>] task_lock include/linux/sched.h:3217 [inline] [<00000000416f7be5>] get_task_mm+0x20/0xc0 kernel/fork.c:1012 CPU: 0 PID: 1 Comm: init Tainted: G W 4.9.189+ #22 ffff8801da60f2d0 ffffffff81b65c01 0000000000000000 0000000000000001 ffff8801da600000 ffffffff810d1010 ffff8801da600000 ffff8801da60f308 ffffffff814018f3 ffff8801da600000 ffffffff82a39fc0 0000000000000389 Call Trace: [<00000000bcd63249>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000bcd63249>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000a70378dc>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000005f789282>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000877ea368>] mmput+0x28/0x370 kernel/fork.c:905 [<00000000351871b7>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000006e91b8db>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000af1acd19>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000af1acd19>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000deb65f79>] shrink_slab mm/vmscan.c:466 [inline] [<00000000deb65f79>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000d864fe55>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000d864fe55>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000d864fe55>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000092f5ab4f>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000092f5ab4f>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000092f5ab4f>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000092f5ab4f>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000ef41171b>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000ef41171b>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000ef41171b>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000ef41171b>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<00000000ef41171b>] __do_page_cache_readahead+0x21d/0x880 mm/readahead.c:183 [<00000000bccfbfc3>] ra_submit mm/internal.h:61 [inline] [<00000000bccfbfc3>] do_sync_mmap_readahead mm/filemap.c:2239 [inline] [<00000000bccfbfc3>] filemap_fault+0xd7f/0x1360 mm/filemap.c:2328 [<00000000d5ece8ae>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<000000002af16db2>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<000000009caf00d4>] do_read_fault mm/memory.c:3202 [inline] [<000000009caf00d4>] do_fault mm/memory.c:3338 [inline] [<000000009caf00d4>] handle_pte_fault mm/memory.c:3547 [inline] [<000000009caf00d4>] __handle_mm_fault mm/memory.c:3634 [inline] [<000000009caf00d4>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<000000001c10ba40>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<00000000e81e83d5>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<000000008b28169f>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'init' (1) because cache 180kB is below limit 6144kB for oom_score_adj 0 Free memory is -13392kB above reserved lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'kswapd0' (33) because cache 180kB is below limit 6144kB for oom_score_adj 0 Free memory is -13392kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:905 in_atomic(): 0, irqs_disabled(): 0, pid: 1, name: init INFO: lockdep is turned off. Preemption disabled at: [<00000000416f7be5>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000416f7be5>] task_lock include/linux/sched.h:3217 [inline] [<00000000416f7be5>] get_task_mm+0x20/0xc0 kernel/fork.c:1012 CPU: 0 PID: 1 Comm: init Tainted: G W 4.9.189+ #22 ffff8801da60f3c8 ffffffff81b65c01 0000000000000000 0000000000000001 ffff8801da600000 ffffffff810d1010 ffff8801da600000 ffff8801da60f400 ffffffff814018f3 ffff8801da600000 ffffffff82a39fc0 0000000000000389 Call Trace: [<00000000bcd63249>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000bcd63249>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000a70378dc>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000005f789282>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000877ea368>] mmput+0x28/0x370 kernel/fork.c:905 [<00000000351871b7>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000006e91b8db>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000af1acd19>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000af1acd19>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000deb65f79>] shrink_slab mm/vmscan.c:466 [inline] [<00000000deb65f79>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000d864fe55>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000d864fe55>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000d864fe55>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000092f5ab4f>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000092f5ab4f>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000092f5ab4f>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000092f5ab4f>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<000000004bc264a1>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000004bc264a1>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000004bc264a1>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000004bc264a1>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<000000004bc264a1>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<00000000c32d60f6>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<00000000d5ece8ae>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<000000002af16db2>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<000000009caf00d4>] do_read_fault mm/memory.c:3202 [inline] [<000000009caf00d4>] do_fault mm/memory.c:3338 [inline] [<000000009caf00d4>] handle_pte_fault mm/memory.c:3547 [inline] [<000000009caf00d4>] __handle_mm_fault mm/memory.c:3634 [inline] [<000000009caf00d4>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<000000001c10ba40>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<00000000e81e83d5>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<000000008b28169f>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'init' (1) because cache 224kB is below limit 6144kB for oom_score_adj 0 Free memory is -13260kB above reserved lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'blkid' (16994) because cache 224kB is below limit 6144kB for oom_score_adj 0 Free memory is -13260kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:905 in_atomic(): 0, irqs_disabled(): 0, pid: 1, name: init INFO: lockdep is turned off. Preemption disabled at: [<00000000416f7be5>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000416f7be5>] task_lock include/linux/sched.h:3217 [inline] [<00000000416f7be5>] get_task_mm+0x20/0xc0 kernel/fork.c:1012 CPU: 0 PID: 1 Comm: init Tainted: G W 4.9.189+ #22 ffff8801da60f2d0 ffffffff81b65c01 0000000000000000 0000000000000001 ffff8801da600000 ffffffff810d1010 ffff8801da600000 ffff8801da60f308 ffffffff814018f3 ffff8801da600000 ffffffff82a39fc0 0000000000000389 Call Trace: [<00000000bcd63249>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000bcd63249>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000a70378dc>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000005f789282>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000877ea368>] mmput+0x28/0x370 kernel/fork.c:905 [<00000000351871b7>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000006e91b8db>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000af1acd19>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000af1acd19>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000deb65f79>] shrink_slab mm/vmscan.c:466 [inline] [<00000000deb65f79>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000d864fe55>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000d864fe55>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000d864fe55>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000092f5ab4f>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000092f5ab4f>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000092f5ab4f>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000092f5ab4f>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000ef41171b>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000ef41171b>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000ef41171b>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000ef41171b>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<00000000ef41171b>] __do_page_cache_readahead+0x21d/0x880 mm/readahead.c:183 [<00000000bccfbfc3>] ra_submit mm/internal.h:61 [inline] [<00000000bccfbfc3>] do_sync_mmap_readahead mm/filemap.c:2239 [inline] [<00000000bccfbfc3>] filemap_fault+0xd7f/0x1360 mm/filemap.c:2328 [<00000000d5ece8ae>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<000000002af16db2>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<000000009caf00d4>] do_read_fault mm/memory.c:3202 [inline] [<000000009caf00d4>] do_fault mm/memory.c:3338 [inline] [<000000009caf00d4>] handle_pte_fault mm/memory.c:3547 [inline] [<000000009caf00d4>] __handle_mm_fault mm/memory.c:3634 [inline] [<000000009caf00d4>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<000000001c10ba40>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<00000000e81e83d5>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<000000008b28169f>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'syz-fuzzer' (2029) because cache 208kB is below limit 6144kB for oom_score_adj 0 Free memory is -13236kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:905 in_atomic(): 0, irqs_disabled(): 0, pid: 2029, name: syz-fuzzer INFO: lockdep is turned off. Preemption disabled at: [<00000000416f7be5>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000416f7be5>] task_lock include/linux/sched.h:3217 [inline] [<00000000416f7be5>] get_task_mm+0x20/0xc0 kernel/fork.c:1012 CPU: 0 PID: 2029 Comm: syz-fuzzer Tainted: G W 4.9.189+ #22 ffff8801cf4372d0 ffffffff81b65c01 0000000000000000 0000000000000001 ffff8801d09a4740 ffffffff810d1010 ffff8801d09a4740 ffff8801cf437308 ffffffff814018f3 ffff8801d09a4740 ffffffff82a39fc0 0000000000000389 Call Trace: [<00000000bcd63249>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000bcd63249>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000a70378dc>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000005f789282>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000877ea368>] mmput+0x28/0x370 kernel/fork.c:905 [<00000000351871b7>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000006e91b8db>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000af1acd19>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000af1acd19>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000deb65f79>] shrink_slab mm/vmscan.c:466 [inline] [<00000000deb65f79>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000d864fe55>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000d864fe55>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000d864fe55>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000092f5ab4f>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000092f5ab4f>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000092f5ab4f>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000092f5ab4f>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000ef41171b>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000ef41171b>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000ef41171b>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000ef41171b>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<00000000ef41171b>] __do_page_cache_readahead+0x21d/0x880 mm/readahead.c:183 [<00000000bccfbfc3>] ra_submit mm/internal.h:61 [inline] [<00000000bccfbfc3>] do_sync_mmap_readahead mm/filemap.c:2239 [inline] [<00000000bccfbfc3>] filemap_fault+0xd7f/0x1360 mm/filemap.c:2328 [<00000000d5ece8ae>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<000000002af16db2>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<000000009caf00d4>] do_read_fault mm/memory.c:3202 [inline] [<000000009caf00d4>] do_fault mm/memory.c:3338 [inline] [<000000009caf00d4>] handle_pte_fault mm/memory.c:3547 [inline] [<000000009caf00d4>] __handle_mm_fault mm/memory.c:3634 [inline] [<000000009caf00d4>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<000000001c10ba40>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<00000000e81e83d5>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<000000008b28169f>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'syz-fuzzer' (2029) because cache 248kB is below limit 6144kB for oom_score_adj 0 Free memory is -13336kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:905 in_atomic(): 0, irqs_disabled(): 0, pid: 2029, name: syz-fuzzer INFO: lockdep is turned off. Preemption disabled at: [<00000000416f7be5>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000416f7be5>] task_lock include/linux/sched.h:3217 [inline] [<00000000416f7be5>] get_task_mm+0x20/0xc0 kernel/fork.c:1012 CPU: 1 PID: 2029 Comm: syz-fuzzer Tainted: G W 4.9.189+ #22 ffff8801cf4373c8 ffffffff81b65c01 0000000000000000 0000000000000001 ffff8801d09a4740 ffffffff810d1010 ffff8801d09a4740 ffff8801cf437400 ffffffff814018f3 ffff8801d09a4740 ffffffff82a39fc0 0000000000000389 Call Trace: [<00000000bcd63249>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000bcd63249>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000a70378dc>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000005f789282>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000877ea368>] mmput+0x28/0x370 kernel/fork.c:905 [<00000000351871b7>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000006e91b8db>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000af1acd19>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000af1acd19>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000deb65f79>] shrink_slab mm/vmscan.c:466 [inline] [<00000000deb65f79>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000d864fe55>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000d864fe55>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000d864fe55>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000092f5ab4f>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000092f5ab4f>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000092f5ab4f>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000092f5ab4f>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<000000004bc264a1>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000004bc264a1>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000004bc264a1>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000004bc264a1>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<000000004bc264a1>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<00000000c32d60f6>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<00000000d5ece8ae>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<000000002af16db2>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<000000009caf00d4>] do_read_fault mm/memory.c:3202 [inline] [<000000009caf00d4>] do_fault mm/memory.c:3338 [inline] [<000000009caf00d4>] handle_pte_fault mm/memory.c:3547 [inline] [<000000009caf00d4>] __handle_mm_fault mm/memory.c:3634 [inline] [<000000009caf00d4>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<000000001c10ba40>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<00000000e81e83d5>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<000000008b28169f>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'init' (1) because cache 248kB is below limit 6144kB for oom_score_adj 0 Free memory is -13336kB above reserved lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'blkid' (16994) because cache 248kB is below limit 6144kB for oom_score_adj 0 Free memory is -13336kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:905 in_atomic(): 0, irqs_disabled(): 0, pid: 1, name: init INFO: lockdep is turned off. Preemption disabled at: [<00000000416f7be5>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000416f7be5>] task_lock include/linux/sched.h:3217 [inline] [<00000000416f7be5>] get_task_mm+0x20/0xc0 kernel/fork.c:1012 CPU: 1 PID: 1 Comm: init Tainted: G W 4.9.189+ #22 ffff8801da60f3c8 ffffffff81b65c01 0000000000000000 0000000000000001 ffff8801da600000 ffffffff810d1010 ffff8801da600000 ffff8801da60f400 ffffffff814018f3 ffff8801da600000 ffffffff82a39fc0 0000000000000389 Call Trace: [<00000000bcd63249>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000bcd63249>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000a70378dc>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000005f789282>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000877ea368>] mmput+0x28/0x370 kernel/fork.c:905 [<00000000351871b7>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000006e91b8db>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000af1acd19>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000af1acd19>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000deb65f79>] shrink_slab mm/vmscan.c:466 [inline] [<00000000deb65f79>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000d864fe55>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000d864fe55>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000d864fe55>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000092f5ab4f>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000092f5ab4f>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000092f5ab4f>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000092f5ab4f>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<000000004bc264a1>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000004bc264a1>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000004bc264a1>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000004bc264a1>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<000000004bc264a1>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<00000000c32d60f6>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<00000000d5ece8ae>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<000000002af16db2>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<000000009caf00d4>] do_read_fault mm/memory.c:3202 [inline] [<000000009caf00d4>] do_fault mm/memory.c:3338 [inline] [<000000009caf00d4>] handle_pte_fault mm/memory.c:3547 [inline] [<000000009caf00d4>] __handle_mm_fault mm/memory.c:3634 [inline] [<000000009caf00d4>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<000000001c10ba40>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<00000000e81e83d5>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<000000008b28169f>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'kswapd0' (33) because cache 248kB is below limit 6144kB for oom_score_adj 0 Free memory is -13336kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:905 in_atomic(): 0, irqs_disabled(): 0, pid: 33, name: kswapd0 INFO: lockdep is turned off. Preemption disabled at: [<00000000416f7be5>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000416f7be5>] task_lock include/linux/sched.h:3217 [inline] [<00000000416f7be5>] get_task_mm+0x20/0xc0 kernel/fork.c:1012 CPU: 0 PID: 33 Comm: kswapd0 Tainted: G W 4.9.189+ #22 ffff8801d8def7c0 ffffffff81b65c01 0000000000000000 0000000000000001 ffff8801d992c740 ffffffff810d1010 ffff8801d992c740 ffff8801d8def7f8 ffffffff814018f3 ffff8801d992c740 ffffffff82a39fc0 0000000000000389 Call Trace: [<00000000bcd63249>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000bcd63249>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000a70378dc>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000005f789282>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000877ea368>] mmput+0x28/0x370 kernel/fork.c:905 [<00000000351871b7>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000006e91b8db>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000af1acd19>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000af1acd19>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000deb65f79>] shrink_slab mm/vmscan.c:466 [inline] [<00000000deb65f79>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<0000000019cbeb0c>] kswapd_shrink_node mm/vmscan.c:3209 [inline] [<0000000019cbeb0c>] balance_pgdat mm/vmscan.c:3329 [inline] [<0000000019cbeb0c>] kswapd+0x7f8/0x13b0 mm/vmscan.c:3523 [<00000000ec2af194>] kthread+0x278/0x310 kernel/kthread.c:211 [<0000000045843c08>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375 lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'syz-fuzzer' (2029) because cache 248kB is below limit 6144kB for oom_score_adj 0 Free memory is -13336kB above reserved lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'blkid' (16994) because cache 248kB is below limit 6144kB for oom_score_adj 0 Free memory is -13336kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:905 in_atomic(): 0, irqs_disabled(): 0, pid: 2029, name: syz-fuzzer INFO: lockdep is turned off. Preemption disabled at: [<00000000416f7be5>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000416f7be5>] task_lock include/linux/sched.h:3217 [inline] [<00000000416f7be5>] get_task_mm+0x20/0xc0 kernel/fork.c:1012 CPU: 0 PID: 2029 Comm: syz-fuzzer Tainted: G W 4.9.189+ #22 ffff8801cf4373c8 ffffffff81b65c01 0000000000000000 0000000000000001 ffff8801d09a4740 ffffffff810d1010 ffff8801d09a4740 ffff8801cf437400 ffffffff814018f3 ffff8801d09a4740 ffffffff82a39fc0 0000000000000389 Call Trace: [<00000000bcd63249>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000bcd63249>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000a70378dc>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000005f789282>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000877ea368>] mmput+0x28/0x370 kernel/fork.c:905 [<00000000351871b7>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000006e91b8db>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000af1acd19>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000af1acd19>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000deb65f79>] shrink_slab mm/vmscan.c:466 [inline] [<00000000deb65f79>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000d864fe55>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000d864fe55>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000d864fe55>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000092f5ab4f>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000092f5ab4f>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000092f5ab4f>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000092f5ab4f>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<000000004bc264a1>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000004bc264a1>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000004bc264a1>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000004bc264a1>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<000000004bc264a1>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<00000000c32d60f6>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<00000000d5ece8ae>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<000000002af16db2>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<000000009caf00d4>] do_read_fault mm/memory.c:3202 [inline] [<000000009caf00d4>] do_fault mm/memory.c:3338 [inline] [<000000009caf00d4>] handle_pte_fault mm/memory.c:3547 [inline] [<000000009caf00d4>] __handle_mm_fault mm/memory.c:3634 [inline] [<000000009caf00d4>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<000000001c10ba40>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<00000000e81e83d5>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<000000008b28169f>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'syz-fuzzer' (2029) because cache 248kB is below limit 6144kB for oom_score_adj 0 Free memory is -13336kB above reserved lowmemorykiller: Killing 'syz-executor.3' (19378) (tgid 19375), adj 1000, to free 34992kB on behalf of 'blkid' (16994) because cache 248kB is below limit 6144kB for oom_score_adj 0 Free memory is -13336kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:905 in_atomic(): 0, irqs_disabled(): 0, pid: 2029, name: syz-fuzzer INFO: lockdep is turned off. Preemption disabled at: [<00000000416f7be5>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000416f7be5>] task_lock include/linux/sched.h:3217 [inline] [<00000000416f7be5>] get_task_mm+0x20/0xc0 kernel/fork.c:1012 CPU: 0 PID: 2029 Comm: syz-fuzzer Tainted: G W 4.9.189+ #22 ffff8801cf4373c8 ffffffff81b65c01 0000000000000000 0000000000000001 ffff8801d09a4740 ffffffff810d1010 ffff8801d09a4740 ffff8801cf437400 ffffffff814018f3 ffff8801d09a4740 ffffffff82a39fc0 0000000000000389 Call Trace: [<00000000bcd63249>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000bcd63249>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000a70378dc>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000005f789282>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000877ea368>] mmput+0x28/0x370 kernel/fork.c:905 [<00000000351871b7>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000006e91b8db>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000af1acd19>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000af1acd19>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000deb65f79>] shrink_slab mm/vmscan.c:466 [inline] [<00000000deb65f79>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000d864fe55>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000d864fe55>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000d864fe55>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000092f5ab4f>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000092f5ab4f>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000092f5ab4f>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000092f5ab4f>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861