Free memory is 19356kB above reserved lowmemorykiller: Killing 'syz-executor965' (2872) (tgid 2872), adj 1000, to free 17080kB on behalf of 'syz-executor965' (16140) because cache 38488kB is below limit 65536kB for oom_score_adj 12 Free memory is 27956kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 16140, name: syz-executor965 4 locks held by syz-executor965/16140: #0: (&pipe->mutex/1){+.+.+.}, at: [<00000000cbe2af6c>] pipe_lock_nested fs/pipe.c:66 [inline] #0: (&pipe->mutex/1){+.+.+.}, at: [<00000000cbe2af6c>] pipe_lock fs/pipe.c:74 [inline] #0: (&pipe->mutex/1){+.+.+.}, at: [<00000000cbe2af6c>] pipe_wait+0x1b8/0x1e0 fs/pipe.c:122 #1: (&mm->mmap_sem){++++++}, at: [<00000000b5aa348c>] __do_page_fault+0x25e/0xa60 arch/x86/mm/fault.c:1335 #2: (shrinker_rwsem){++++..}, at: [<0000000026adfd08>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #3: (rcu_read_lock){......}, at: [<000000008c2b1e76>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 Preemption disabled at: [<00000000185eb04a>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000185eb04a>] task_lock include/linux/sched.h:3217 [inline] [<00000000185eb04a>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 0 PID: 16140 Comm: syz-executor965 Not tainted 4.9.179+ #1 ffff8801b7cd6f38 ffffffff81b573a1 0000000000000000 0000000000000001 ffff8801b7c8c740 ffffffff810d0b70 ffff8801b7c8c740 ffff8801b7cd6f70 ffffffff813ffc9c ffff8801b7c8c740 ffffffff82a39900 0000000000000387 Call Trace: [<00000000b17878a2>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000b17878a2>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000002021c113>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000004246c5c1>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<0000000053da15a3>] mmput+0x28/0x370 kernel/fork.c:903 [<00000000def34132>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<0000000003ad695c>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<000000007354658f>] do_shrink_slab mm/vmscan.c:399 [inline] [<000000007354658f>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000d57e196b>] shrink_slab mm/vmscan.c:466 [inline] [<00000000d57e196b>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000d04cfde2>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000d04cfde2>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000d04cfde2>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<00000000a2baf837>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<00000000a2baf837>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<00000000a2baf837>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<00000000a2baf837>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000d2990061>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000d2990061>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000d2990061>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000d2990061>] alloc_zeroed_user_highpage_movable include/linux/highmem.h:183 [inline] [<00000000d2990061>] wp_page_copy+0xb9e/0x1470 mm/memory.c:2165 [<000000009ce811b9>] do_wp_page+0x542/0x20a0 mm/memory.c:2390 [<00000000718961e3>] handle_pte_fault mm/memory.c:3562 [inline] [<00000000718961e3>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000718961e3>] handle_mm_fault+0xeff/0x2420 mm/memory.c:3671 [<00000000c5a4934c>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1406 [<00000000d0ab76ba>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1469 [<000000005b776a36>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:953 [<000000003108c2be>] pipe_read+0x25d/0x820 fs/pipe.c:298 [<000000003c7db931>] new_sync_read fs/read_write.c:441 [inline] [<000000003c7db931>] __vfs_read+0x3be/0x550 fs/read_write.c:453 [<00000000da1aa1b4>] vfs_read+0x137/0x380 fs/read_write.c:474 [<00000000c6a8a470>] SYSC_read fs/read_write.c:590 [inline] [<00000000c6a8a470>] SyS_read+0xdc/0x1c0 fs/read_write.c:583 [<0000000022095eac>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000cbe0d2f6>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb ================================= [ INFO: inconsistent lock state ] 4.9.179+ #1 Tainted: G W --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor965/16140 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<00000000686f2315>] 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:1597 [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: 36921 hardirqs last enabled at (36921): [<000000003674ae3f>] restore_regs_and_iret+0x0/0x1d hardirqs last disabled at (36920): [<00000000f5532585>] preempt_schedule_irq+0x6a/0xa0 kernel/sched/core.c:3705 softirqs last enabled at (36770): [<00000000f88d38bc>] __do_softirq+0x474/0x964 kernel/softirq.c:314 softirqs last disabled at (36763): [<000000007dc1d20d>] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (36763): [<000000007dc1d20d>] 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 *** 5 locks held by syz-executor965/16140: #0: (&pipe->mutex/1){+.+.+.}, at: [<00000000cbe2af6c>] pipe_lock_nested fs/pipe.c:66 [inline] #0: (&pipe->mutex/1){+.+.+.}, at: [<00000000cbe2af6c>] pipe_lock fs/pipe.c:74 [inline] #0: (&pipe->mutex/1){+.+.+.}, at: [<00000000cbe2af6c>] pipe_wait+0x1b8/0x1e0 fs/pipe.c:122 #1: (&mm->mmap_sem){+++++?}, at: [<00000000b5aa348c>] __do_page_fault+0x25e/0xa60 arch/x86/mm/fault.c:1335 #2: (shrinker_rwsem){++++..}, at: [<0000000026adfd08>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #3: (rcu_read_lock){......}, at: [<000000008c2b1e76>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 #4: (lmk_event_lock){+.+.-.}, at: [<00000000e05c3280>] spin_lock include/linux/spinlock.h:302 [inline] #4: (lmk_event_lock){+.+.-.}, at: [<00000000e05c3280>] handle_lmk_event+0xfb/0x8a0 drivers/staging/android/lowmemorykiller.c:114 stack backtrace: CPU: 0 PID: 16140 Comm: syz-executor965 Tainted: G W 4.9.179+ #1 ffff8801b7cd6c80 ffffffff81b573a1 00000000000000f0 ffff8801b7c8c740 ffffffff83cad760 ffff8801b7c8d0d8 ffffffff8424eec0 ffff8801b7cd6cf8 ffffffff814066d9 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<00000000b17878a2>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000b17878a2>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000056592980>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<0000000056592980>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<000000009493cc25>] valid_state kernel/locking/lockdep.c:2400 [inline] [<000000009493cc25>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<000000009493cc25>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<00000000277bda5f>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<00000000277bda5f>] __lock_acquire+0x5c3/0x4350 kernel/locking/lockdep.c:3302 [<000000009bf6a972>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<0000000088352ebb>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<00000000686f2315>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<000000000004fe3c>] handle_lmk_event+0x13c/0x8a0 drivers/staging/android/lowmemorykiller.c:128 [<0000000003ad695c>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<000000007354658f>] do_shrink_slab mm/vmscan.c:399 [inline] [<000000007354658f>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000d57e196b>] shrink_slab mm/vmscan.c:466 [inline] [<00000000d57e196b>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000d04cfde2>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000d04cfde2>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000d04cfde2>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<00000000a2baf837>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<00000000a2baf837>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<00000000a2baf837>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<00000000a2baf837>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000d2990061>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000d2990061>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000d2990061>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000d2990061>] alloc_zeroed_user_highpage_movable include/linux/highmem.h:183 [inline] [<00000000d2990061>] wp_page_copy+0xb9e/0x1470 mm/memory.c:2165 [<000000009ce811b9>] do_wp_page+0x542/0x20a0 mm/memory.c:2390 [<00000000718961e3>] handle_pte_fault mm/memory.c:3562 [inline] [<00000000718961e3>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000718961e3>] handle_mm_fault+0xeff/0x2420 mm/memory.c:3671 [<00000000c5a4934c>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1406 [<00000000d0ab76ba>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1469 [<000000005b776a36>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:953 [<000000003108c2be>] pipe_read+0x25d/0x820 fs/pipe.c:298 [<000000003c7db931>] new_sync_read fs/read_write.c:441 [inline] [<000000003c7db931>] __vfs_read+0x3be/0x550 fs/read_write.c:453 [<00000000da1aa1b4>] vfs_read+0x137/0x380 fs/read_write.c:474 [<00000000c6a8a470>] SYSC_read fs/read_write.c:590 [inline] [<00000000c6a8a470>] SyS_read+0xdc/0x1c0 fs/read_write.c:583 [<0000000022095eac>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000cbe0d2f6>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb lowmemorykiller: Killing 'syz-executor965' (3068) (tgid 3068), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 38372kB is below limit 65536kB for oom_score_adj 12 Free memory is -9636kB above reserved lowmemorykiller: Killing 'syz-executor965' (3092) (tgid 3092), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 38284kB is below limit 65536kB for oom_score_adj 12 Free memory is 5524kB above reserved lowmemorykiller: Killing 'syz-executor965' (3101) (tgid 3101), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 38288kB is below limit 65536kB for oom_score_adj 12 Free memory is -12228kB above reserved lowmemorykiller: Killing 'syz-executor965' (3119) (tgid 3119), adj 1000, to free 17080kB on behalf of 'syz-executor965' (16458) because cache 38288kB is below limit 65536kB for oom_score_adj 12 Free memory is -2460kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 16458, name: syz-executor965 INFO: lockdep is turned off. Preemption disabled at: [<00000000185eb04a>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000185eb04a>] task_lock include/linux/sched.h:3217 [inline] [<00000000185eb04a>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 0 PID: 16458 Comm: syz-executor965 Tainted: G W 4.9.179+ #1 ffff8801a9356f38 ffffffff81b573a1 0000000000000000 0000000000000001 ffff8801a9315f00 ffffffff810d0b70 ffff8801a9315f00 ffff8801a9356f70 ffffffff813ffc9c ffff8801a9315f00 ffffffff82a39900 0000000000000387 Call Trace: [<00000000b17878a2>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000b17878a2>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000002021c113>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000004246c5c1>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<0000000053da15a3>] mmput+0x28/0x370 kernel/fork.c:903 [<00000000def34132>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<0000000003ad695c>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<000000007354658f>] do_shrink_slab mm/vmscan.c:399 [inline] [<000000007354658f>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000d57e196b>] shrink_slab mm/vmscan.c:466 [inline] [<00000000d57e196b>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000d04cfde2>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000d04cfde2>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000d04cfde2>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<00000000a2baf837>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<00000000a2baf837>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<00000000a2baf837>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<00000000a2baf837>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000d2990061>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000d2990061>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000d2990061>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000d2990061>] alloc_zeroed_user_highpage_movable include/linux/highmem.h:183 [inline] [<00000000d2990061>] wp_page_copy+0xb9e/0x1470 mm/memory.c:2165 [<000000009ce811b9>] do_wp_page+0x542/0x20a0 mm/memory.c:2390 [<00000000718961e3>] handle_pte_fault mm/memory.c:3562 [inline] [<00000000718961e3>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000718961e3>] handle_mm_fault+0xeff/0x2420 mm/memory.c:3671 [<00000000c5a4934c>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1406 [<00000000d0ab76ba>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1469 [<000000005b776a36>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:953 [<000000003108c2be>] pipe_read+0x25d/0x820 fs/pipe.c:298 [<000000003c7db931>] new_sync_read fs/read_write.c:441 [inline] [<000000003c7db931>] __vfs_read+0x3be/0x550 fs/read_write.c:453 [<00000000da1aa1b4>] vfs_read+0x137/0x380 fs/read_write.c:474 [<00000000c6a8a470>] SYSC_read fs/read_write.c:590 [inline] [<00000000c6a8a470>] SyS_read+0xdc/0x1c0 fs/read_write.c:583 [<0000000022095eac>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000cbe0d2f6>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb lowmemorykiller: Killing 'syz-executor965' (3167) (tgid 3167), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 38036kB is below limit 65536kB for oom_score_adj 12 Free memory is -12104kB above reserved lowmemorykiller: Killing 'syz-executor965' (3188) (tgid 3188), adj 1000, to free 17080kB on behalf of 'syz-executor965' (16487) because cache 38036kB is below limit 65536kB for oom_score_adj 12 Free memory is 3156kB above reserved lowmemorykiller: Killing 'syz-executor965' (3396) (tgid 3396), adj 1000, to free 17080kB on behalf of 'syz-executor965' (16487) because cache 37936kB is below limit 65536kB for oom_score_adj 12 Free memory is 19356kB above reserved lowmemorykiller: Killing 'syz-executor965' (3429) (tgid 3429), adj 1000, to free 17080kB on behalf of 'syz-executor965' (16487) because cache 37936kB is below limit 65536kB for oom_score_adj 12 Free memory is 35956kB above reserved lowmemorykiller: Killing 'syz-executor965' (3762) (tgid 3762), adj 1000, to free 17080kB on behalf of 'syz-executor965' (16487) because cache 37936kB is below limit 65536kB for oom_score_adj 12 Free memory is 52480kB above reserved lowmemorykiller: Killing 'syz-executor965' (16491) (tgid 16491), adj 1000, to free 17088kB on behalf of 'kswapd0' (33) because cache 37768kB is below limit 65536kB for oom_score_adj 12 Free memory is -9672kB above reserved lowmemorykiller: Killing 'syz-executor965' (4105) (tgid 4105), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37764kB is below limit 65536kB for oom_score_adj 12 Free memory is -12060kB above reserved lowmemorykiller: Killing 'syz-executor965' (4129) (tgid 4129), adj 1000, to free 17080kB on behalf of 'syz-executor965' (16858) because cache 37764kB is below limit 65536kB for oom_score_adj 12 Free memory is 3200kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 16858, name: syz-executor965 INFO: lockdep is turned off. Preemption disabled at: [<00000000185eb04a>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000185eb04a>] task_lock include/linux/sched.h:3217 [inline] [<00000000185eb04a>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 1 PID: 16858 Comm: syz-executor965 Tainted: G W 4.9.179+ #1 ffff88019a20ef38 ffffffff81b573a1 0000000000000000 0000000000000001 ffff880197a717c0 ffffffff810d0b70 ffff880197a717c0 ffff88019a20ef70 ffffffff813ffc9c ffff880197a717c0 ffffffff82a39900 0000000000000387 Call Trace: [<00000000b17878a2>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000b17878a2>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000002021c113>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000004246c5c1>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<0000000053da15a3>] mmput+0x28/0x370 kernel/fork.c:903 [<00000000def34132>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<0000000003ad695c>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<000000007354658f>] do_shrink_slab mm/vmscan.c:399 [inline] [<000000007354658f>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000d57e196b>] shrink_slab mm/vmscan.c:466 [inline] [<00000000d57e196b>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000d04cfde2>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000d04cfde2>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000d04cfde2>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<00000000a2baf837>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<00000000a2baf837>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<00000000a2baf837>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<00000000a2baf837>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000d2990061>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000d2990061>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000d2990061>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000d2990061>] alloc_zeroed_user_highpage_movable include/linux/highmem.h:183 [inline] [<00000000d2990061>] wp_page_copy+0xb9e/0x1470 mm/memory.c:2165 [<000000009ce811b9>] do_wp_page+0x542/0x20a0 mm/memory.c:2390 [<00000000718961e3>] handle_pte_fault mm/memory.c:3562 [inline] [<00000000718961e3>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000718961e3>] handle_mm_fault+0xeff/0x2420 mm/memory.c:3671 [<00000000c5a4934c>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1406 [<00000000d0ab76ba>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1469 [<000000005b776a36>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:953 [<000000003108c2be>] pipe_read+0x25d/0x820 fs/pipe.c:298 [<000000003c7db931>] new_sync_read fs/read_write.c:441 [inline] [<000000003c7db931>] __vfs_read+0x3be/0x550 fs/read_write.c:453 [<00000000da1aa1b4>] vfs_read+0x137/0x380 fs/read_write.c:474 [<00000000c6a8a470>] SYSC_read fs/read_write.c:590 [inline] [<00000000c6a8a470>] SyS_read+0xdc/0x1c0 fs/read_write.c:583 [<0000000022095eac>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000cbe0d2f6>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb lowmemorykiller: Killing 'syz-executor965' (4294) (tgid 4294), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37520kB is below limit 65536kB for oom_score_adj 12 Free memory is -9708kB above reserved lowmemorykiller: Killing 'syz-executor965' (4487) (tgid 4487), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37520kB is below limit 65536kB for oom_score_adj 12 Free memory is -9852kB above reserved lowmemorykiller: Killing 'syz-executor965' (5067) (tgid 5067), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37420kB is below limit 65536kB for oom_score_adj 12 Free memory is -9596kB above reserved lowmemorykiller: Killing 'syz-executor965' (5757) (tgid 5757), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37420kB is below limit 65536kB for oom_score_adj 12 Free memory is -9680kB above reserved lowmemorykiller: Killing 'syz-executor965' (6106) (tgid 6106), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37348kB is below limit 65536kB for oom_score_adj 12 Free memory is -9668kB above reserved lowmemorykiller: Killing 'syz-executor965' (6250) (tgid 6250), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37348kB is below limit 65536kB for oom_score_adj 12 Free memory is 6184kB above reserved lowmemorykiller: Killing 'syz-executor965' (6253) (tgid 6253), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37244kB is below limit 65536kB for oom_score_adj 12 Free memory is -10488kB above reserved lowmemorykiller: Killing 'syz-executor965' (6823) (tgid 6823), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37244kB is below limit 65536kB for oom_score_adj 12 Free memory is -9644kB above reserved lowmemorykiller: Killing 'syz-executor965' (7057) (tgid 7057), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37248kB is below limit 65536kB for oom_score_adj 12 Free memory is -10560kB above reserved lowmemorykiller: Killing 'syz-executor965' (7573) (tgid 7573), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37248kB is below limit 65536kB for oom_score_adj 12 Free memory is -9908kB above reserved lowmemorykiller: Killing 'syz-executor965' (7735) (tgid 7735), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37248kB is below limit 65536kB for oom_score_adj 12 Free memory is -9796kB above reserved lowmemorykiller: Killing 'syz-executor965' (7798) (tgid 7798), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37248kB is below limit 65536kB for oom_score_adj 12 Free memory is -4740kB above reserved lowmemorykiller: Killing 'syz-executor965' (7918) (tgid 7918), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37248kB is below limit 65536kB for oom_score_adj 12 Free memory is 6700kB above reserved lowmemorykiller: Killing 'syz-executor965' (9110) (tgid 9110), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37168kB is below limit 65536kB for oom_score_adj 12 Free memory is -9700kB above reserved lowmemorykiller: Killing 'syz-executor965' (9413) (tgid 9413), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37168kB is below limit 65536kB for oom_score_adj 12 Free memory is -10216kB above reserved lowmemorykiller: Killing 'syz-executor965' (9770) (tgid 9770), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37168kB is below limit 65536kB for oom_score_adj 12 Free memory is -9648kB above reserved lowmemorykiller: Killing 'syz-executor965' (9773) (tgid 9773), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37168kB is below limit 65536kB for oom_score_adj 12 Free memory is -4664kB above reserved lowmemorykiller: Killing 'syz-executor965' (10617) (tgid 10617), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37140kB is below limit 65536kB for oom_score_adj 12 Free memory is -9964kB above reserved lowmemorykiller: Killing 'syz-executor965' (10669) (tgid 10669), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37140kB is below limit 65536kB for oom_score_adj 12 Free memory is -956kB above reserved lowmemorykiller: Killing 'syz-executor965' (10740) (tgid 10740), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37140kB is below limit 65536kB for oom_score_adj 12 Free memory is 12344kB above reserved lowmemorykiller: Killing 'syz-executor965' (10999) (tgid 10999), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37108kB is below limit 65536kB for oom_score_adj 12 Free memory is -9176kB above reserved lowmemorykiller: Killing 'syz-executor965' (11228) (tgid 11228), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37108kB is below limit 65536kB for oom_score_adj 12 Free memory is -9184kB above reserved lowmemorykiller: Killing 'syz-executor965' (11521) (tgid 11521), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37108kB is below limit 65536kB for oom_score_adj 12 Free memory is -10364kB above reserved lowmemorykiller: Killing 'syz-executor965' (11703) (tgid 11703), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37112kB is below limit 65536kB for oom_score_adj 12 Free memory is -10020kB above reserved lowmemorykiller: Killing 'syz-executor965' (11778) (tgid 11778), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37112kB is below limit 65536kB for oom_score_adj 12 Free memory is -3052kB above reserved lowmemorykiller: Killing 'syz-executor965' (11787) (tgid 11787), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37112kB is below limit 65536kB for oom_score_adj 12 Free memory is 12000kB above reserved lowmemorykiller: Killing 'syz-executor965' (12071) (tgid 12071), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 37028kB is below limit 65536kB for oom_score_adj 12 Free memory is -8516kB above reserved lowmemorykiller: Killing 'syz-executor965' (12083) (tgid 12083), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 36956kB is below limit 65536kB for oom_score_adj 12 Free memory is -10748kB above reserved lowmemorykiller: Killing 'syz-executor965' (12237) (tgid 12237), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 36880kB is below limit 65536kB for oom_score_adj 12 Free memory is -7524kB above reserved lowmemorykiller: Killing 'syz-executor965' (12308) (tgid 12308), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 36880kB is below limit 65536kB for oom_score_adj 12 Free memory is 7500kB above reserved lowmemorykiller: Killing 'syz-executor965' (12693) (tgid 12693), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 36880kB is below limit 65536kB for oom_score_adj 12 Free memory is 23496kB above reserved lowmemorykiller: Killing 'syz-executor965' (12756) (tgid 12756), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 36880kB is below limit 65536kB for oom_score_adj 12 Free memory is 40144kB above reserved lowmemorykiller: Killing 'syz-executor965' (18138) (tgid 18138), adj 1000, to free 17096kB on behalf of 'kswapd0' (33) because cache 36800kB is below limit 65536kB for oom_score_adj 12 Free memory is -7980kB above reserved lowmemorykiller: Killing 'syz-executor965' (12879) (tgid 12879), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 36728kB is below limit 65536kB for oom_score_adj 12 Free memory is -9600kB above reserved lowmemorykiller: Killing 'syz-executor965' (13023) (tgid 13023), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 36656kB is below limit 65536kB for oom_score_adj 12 Free memory is -10364kB above reserved lowmemorykiller: Killing 'syz-executor965' (13089) (tgid 13089), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 36580kB is below limit 65536kB for oom_score_adj 12 Free memory is -11592kB above reserved lowmemorykiller: Killing 'syz-executor965' (13420) (tgid 13420), adj 1000, to free 17080kB on behalf of 'syz-executor965' (18459) because cache 36580kB is below limit 65536kB for oom_score_adj 12 Free memory is 3072kB above reserved lowmemorykiller: Killing 'syz-executor965' (13516) (tgid 13516), adj 1000, to free 17080kB on behalf of 'syz-executor965' (18459) because cache 36456kB is below limit 65536kB for oom_score_adj 12 Free memory is 19596kB above reserved lowmemorykiller: Killing 'syz-executor965' (13593) (tgid 13593), adj 1000, to free 17080kB on behalf of 'syz-executor965' (18459) because cache 36460kB is below limit 65536kB for oom_score_adj 12 Free memory is 36312kB above reserved lowmemorykiller: Killing 'syz-executor965' (13689) (tgid 13689), adj 1000, to free 17080kB on behalf of 'syz-executor965' (18459) because cache 36460kB is below limit 65536kB for oom_score_adj 12 Free memory is 52820kB above reserved lowmemorykiller: Killing 'syz-executor965' (13903) (tgid 13903), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 36296kB is below limit 65536kB for oom_score_adj 12 Free memory is -8464kB above reserved lowmemorykiller: Killing 'syz-executor965' (13954) (tgid 13954), adj 1000, to free 17080kB on behalf of 'kswapd0' (33) because cache 36196kB is below limit 65536kB for oom_score_adj 12 Free memory is -12724kB above reserved