INFO: task hung in pagecache_get

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
linux-4.19	INFO: task hung in pagecache_get_page	1	1	991d	991d	0/1	upstream: reported on 2022/12/25 04:38
android-49	INFO: task hung in pagecache_get_page	1	89	2642d	2773d	0/3	auto-closed as invalid on 2019/02/22 12:49
upstream	INFO: task hung in pagecache_get_page fs	1	144	2519d	2837d	0/29	closed as dup on 2017/12/12 16:52
android-44	INFO: task hung in pagecache_get_page	1	9	2696d	2750d	0/2	auto-closed as invalid on 2019/02/22 15:22
android-49	INFO: task hung in pagecache_get_page (2)	1	2	2322d	2331d	0/3	auto-closed as invalid on 2019/10/25 08:51

INFO: task syz-executor.1:25864 blocked for more than 143 seconds. Not tainted 5.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:29632 pid:25864 ppid: 6861 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3778 [inline] __schedule+0x8e5/0x21e0 kernel/sched/core.c:4527 schedule+0xd0/0x2a0 kernel/sched/core.c:4602 io_schedule+0xb5/0x120 kernel/sched/core.c:6296 wait_on_page_bit_common+0x52c/0xca0 mm/filemap.c:1191 __lock_page mm/filemap.c:1413 [inline] lock_page include/linux/pagemap.h:548 [inline] pagecache_get_page+0xa37/0xf70 mm/filemap.c:1682 find_lock_page include/linux/pagemap.h:323 [inline] truncate_inode_pages_range+0xf3d/0x16a0 mm/truncate.c:394 blk_ioctl_zeroout block/ioctl.c:170 [inline] blkdev_common_ioctl+0xae2/0x1760 block/ioctl.c:510 blkdev_ioctl+0x1da/0x700 block/ioctl.c:618 block_ioctl+0xf9/0x140 fs/block_dev.c:1871 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:739 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45d4d9 Code: Bad RIP value. RSP: 002b:00007f2626963c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000009000 RCX: 000000000045d4d9 RDX: 0000000020000080 RSI: 000000000000127f RDI: 0000000000000004 RBP: 000000000118d0c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118d08c R13: 00007ffd3d3d3b0f R14: 00007f26269649c0 R15: 000000000118d08c Showing all locks held in the system: 1 lock held by khungtaskd/1167: #0: ffffffff89bd6340 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:5825 1 lock held by kswapd0/1692: 1 lock held by kswapd1/1693: 1 lock held by systemd-journal/3894: 2 locks held by systemd-timesyn/4026: 2 locks held by in:imklog/6648: 1 lock held by cron/6612: 2 locks held by syz-fuzzer/6846: 2 locks held by syz-fuzzer/6850: 3 locks held by kworker/u4:1/17423: ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1167 Comm: khungtaskd Not tainted 5.9.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x70/0xb1 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1b3/0x223 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:209 [inline] watchdog+0xd7d/0x1000 kernel/hung_task.c:295 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 25843 Comm: syz-executor.0 Not tainted 5.9.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kasan_mem_to_shadow include/linux/kasan.h:28 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:134 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:165 [inline] RIP: 0010:check_memory_region_inline mm/kasan/generic.c:183 [inline] RIP: 0010:check_memory_region+0x44/0x180 mm/kasan/generic.c:192 Code: 01 00 00 48 b8 ff ff ff ff ff 7f ff ff 48 39 c7 0f 86 05 01 00 00 49 83 e9 01 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 ca <48> c1 ed 03 49 c1 ea 03 48 01 c5 49 01 c2 48 89 e8 49 8d 5a 01 48 RSP: 0018:ffffc90000da8858 EFLAGS: 00000086 RAX: dffffc0000000000 RBX: 000000000000003e RCX: ffffffff815a0dee RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8c5f09e0 RBP: ffffffff8c5f09e0 R08: 0000000000000000 R09: ffffffff8c5f09e7 R10: ffffffff8c5f09e7 R11: 0000000000000001 R12: 0000000000000000 R13: ffff8880501bab9a R14: ffff8880501ba240 R15: 0000000000000000 FS: 00007f8586a48700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000919ce8 CR3: 000000008ee41000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> instrument_atomic_read include/linux/instrumented.h:56 [inline] test_bit include/asm-generic/bitops/instrumented-non-atomic.h:110 [inline] __lock_acquire+0xfbe/0x5640 kernel/locking/lockdep.c:4396 lock_acquire+0x1f1/0xad0 kernel/locking/lockdep.c:5005 seqcount_lockdep_reader_access include/linux/seqlock.h:102 [inline] read_seqcount_t_begin.constprop.0+0xae/0x1f0 include/linux/seqlock.h:311 ktime_get_update_offsets_now+0x5b/0x250 kernel/time/timekeeping.c:2224 hrtimer_update_base kernel/time/hrtimer.c:602 [inline] hrtimer_interrupt+0x4d7/0x930 kernel/time/hrtimer.c:1682 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline] __sysvec_apic_timer_interrupt+0x142/0x5e0 arch/x86/kernel/apic/apic.c:1097 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:50 [inline] sysvec_apic_timer_interrupt+0x4c/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x8c/0xe0 kernel/locking/spinlock.c:191 Code: 48 c7 c0 08 36 b6 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 37 48 83 3d 33 6a c0 01 00 74 22 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 95 e7 59 f9 65 8b 05 8e 32 0c 78 RSP: 0018:ffffc90000da8d08 EFLAGS: 00000282 RAX: 1ffffffff136c6c1 RBX: 0000000000000282 RCX: 0000000000000002 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 RBP: ffffffff8d4cab60 R08: 0000000000000001 R09: ffffffff8c5f0a4f R10: fffffbfff18be149 R11: 0000000000000000 R12: ffffc90000da8d68 R13: 0000000000000000 R14: 1ffff920001b51a7 R15: ffff8880ae7255c0 call_timer_fn+0x1ac/0x760 kernel/time/timer.c:1413 expire_timers kernel/time/timer.c:1458 [inline] __run_timers.part.0+0x67c/0xaa0 kernel/time/timer.c:1755 __run_timers kernel/time/timer.c:1736 [inline] run_timer_softirq+0xae/0x1a0 kernel/time/timer.c:1768 __do_softirq+0x2de/0xa24 kernel/softirq.c:298 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706 </IRQ> __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0x9d/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x1f3/0x230 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x51/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x4b/0x80 kernel/locking/spinlock.c:199 Code: c0 18 36 b6 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d 86 70 c0 01 00 74 25 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 db ed 59 f9 65 8b 05 d4 38 0c 78 85 c0 74 02 5d RSP: 0018:ffffc900173de380 EFLAGS: 00000286 RAX: 1ffffffff136c6c3 RBX: ffffc900173de9d0 RCX: 1ffffffff1563bd1 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff87f5c56f RBP: ffff88812ffffcc0 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880a9590000 R14: 0000000000000019 R15: ffffc900173de450 spin_unlock_irq include/linux/spinlock.h:404 [inline] shrink_inactive_list+0x4a0/0xd20 mm/vmscan.c:1973 shrink_list mm/vmscan.c:2168 [inline] shrink_lruvec+0x5fe/0x1160 mm/vmscan.c:2463 shrink_node_memcgs mm/vmscan.c:2643 [inline] shrink_node+0x829/0x1d10 mm/vmscan.c:2760 shrink_zones mm/vmscan.c:2963 [inline] do_try_to_free_pages+0x38b/0x1420 mm/vmscan.c:3018 try_to_free_pages+0x29e/0x7d0 mm/vmscan.c:3257 __perform_reclaim mm/page_alloc.c:4255 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:4276 [inline] __alloc_pages_slowpath.constprop.0+0x995/0x2860 mm/page_alloc.c:4680 __alloc_pages_nodemask+0x62c/0x790 mm/page_alloc.c:4896 __alloc_pages include/linux/gfp.h:509 [inline] __alloc_pages_node include/linux/gfp.h:522 [inline] kmem_getpages mm/slab.c:1376 [inline] cache_grow_begin+0x71/0x430 mm/slab.c:2590 fallback_alloc+0x205/0x2d0 mm/slab.c:3137 __do_cache_alloc mm/slab.c:3275 [inline] slab_alloc mm/slab.c:3304 [inline] kmem_cache_alloc+0x236/0x3a0 mm/slab.c:3482 mempool_alloc+0x146/0x350 mm/mempool.c:393 bio_alloc_bioset+0x37b/0x5d0 block/bio.c:486 bio_clone_fast+0x21/0x1b0 block/bio.c:710 bio_split+0xc7/0x2c0 block/bio.c:1477 blk_bio_segment_split block/blk-merge.c:281 [inline] __blk_queue_split+0x10e2/0x1650 block/blk-merge.c:331 blk_mq_submit_bio+0x1b0/0x1760 block/blk-mq.c:2145 __submit_bio_noacct_mq block/blk-core.c:1179 [inline] submit_bio_noacct+0xc78/0x12b0 block/blk-core.c:1212 submit_bio+0x263/0x5b0 block/blk-core.c:1282 mpage_bio_submit fs/mpage.c:66 [inline] do_mpage_readpage+0x1054/0x1ef0 fs/mpage.c:316 mpage_readahead+0x3a3/0x880 fs/mpage.c:391 read_pages+0x1df/0x8d0 mm/readahead.c:130 page_cache_readahead_unbounded+0x572/0x850 mm/readahead.c:244 __do_page_cache_readahead+0xc2/0xf0 mm/readahead.c:273 ra_submit mm/internal.h:64 [inline] do_sync_mmap_readahead mm/filemap.c:2505 [inline] filemap_fault+0x1a3d/0x2ab0 mm/filemap.c:2593 __do_fault+0x10d/0x4d0 mm/memory.c:3463 do_shared_fault mm/memory.c:3910 [inline] do_fault mm/memory.c:3988 [inline] handle_pte_fault mm/memory.c:4224 [inline] __handle_mm_fault mm/memory.c:4359 [inline] handle_mm_fault+0x34f3/0x4590 mm/memory.c:4457 do_user_addr_fault+0x598/0xbf0 arch/x86/mm/fault.c:1294 handle_page_fault arch/x86/mm/fault.c:1351 [inline] exc_page_fault+0xa8/0x160 arch/x86/mm/fault.c:1404 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538 RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 arch/x86/lib/copy_user_64.S:91 Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a RSP: 0018:ffffc900173dfe50 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000020000040 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffc900173dfeb0 RDI: 0000000020000040 RBP: ffffc900173dfeb0 R08: 0000000600000005 R09: ffffc900173dfeb7 R10: fffff52002e7bfd6 R11: 0000000000000000 R12: 0000000000000008 R13: 0000000020000048 R14: 00007ffffffff000 R15: 0000000000000000 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:74 [inline] _copy_to_user+0x11e/0x160 lib/usercopy.c:30 copy_to_user include/linux/uaccess.h:168 [inline] do_pipe2+0x128/0x1b0 fs/pipe.c:1014 __do_sys_pipe fs/pipe.c:1035 [inline] __se_sys_pipe fs/pipe.c:1033 [inline] __x64_sys_pipe+0x2f/0x40 fs/pipe.c:1033 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45d4d9 Code: Bad RIP value. RSP: 002b:00007f8586a47c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000016 RAX: ffffffffffffffda RBX: 0000000000023b40 RCX: 000000000045d4d9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 000000000118cf70 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffeaca04dff R14: 00007f8586a489c0 R15: 000000000118cf4c