INFO: task syz-executor.2:8870 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack: 0 pid: 8870 ppid: 4324 flags:0x00000005 Call trace: __switch_to+0x2f4/0x558 arch/arm64/kernel/process.c:521 context_switch kernel/sched/core.c:5049 [inline] __schedule+0xe08/0x1bf8 kernel/sched/core.c:6395 schedule+0x11c/0x1c8 kernel/sched/core.c:6478 io_schedule+0x84/0x160 kernel/sched/core.c:8503 wait_on_page_bit_common+0x61c/0xa74 mm/filemap.c:1356 __lock_page mm/filemap.c:1648 [inline] lock_page include/linux/pagemap.h:625 [inline] pagecache_get_page+0x584/0xcb4 mm/filemap.c:1910 find_or_create_page include/linux/pagemap.h:420 [inline] ni_readpage_cmpr+0x2a4/0x680 fs/ntfs3/frecord.c:2089 ntfs_readpage+0x14c/0x1c0 fs/ntfs3/inode.c:727 filemap_read_page+0x150/0x454 mm/filemap.c:2386 filemap_fault+0xa08/0xeac mm/filemap.c:3174 __do_fault+0x120/0x5d0 mm/memory.c:3928 do_read_fault mm/memory.c:4264 [inline] do_fault mm/memory.c:4392 [inline] handle_pte_fault mm/memory.c:4650 [inline] __handle_mm_fault mm/memory.c:4785 [inline] handle_mm_fault+0x1b50/0x2970 mm/memory.c:4883 __do_page_fault arch/arm64/mm/fault.c:505 [inline] do_page_fault+0x694/0xad4 arch/arm64/mm/fault.c:605 do_translation_fault+0xe0/0x130 arch/arm64/mm/fault.c:686 do_mem_abort+0x6c/0x1ac arch/arm64/mm/fault.c:820 el0_da+0x90/0x1fc arch/arm64/kernel/entry-common.c:494 el0t_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:629 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 INFO: task syz-executor.2:8879 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack: 0 pid: 8879 ppid: 4324 flags:0x00000005 Call trace: __switch_to+0x2f4/0x558 arch/arm64/kernel/process.c:521 context_switch kernel/sched/core.c:5049 [inline] __schedule+0xe08/0x1bf8 kernel/sched/core.c:6395 schedule+0x11c/0x1c8 kernel/sched/core.c:6478 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6537 __mutex_lock_common+0xa9c/0x1edc kernel/locking/mutex.c:669 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xac/0x11c kernel/locking/mutex.c:743 ni_lock fs/ntfs3/ntfs_fs.h:1100 [inline] ntfs_readpage+0x140/0x1c0 fs/ntfs3/inode.c:726 filemap_read_page+0x150/0x454 mm/filemap.c:2386 filemap_fault+0xa08/0xeac mm/filemap.c:3174 __do_fault+0x120/0x5d0 mm/memory.c:3928 do_read_fault mm/memory.c:4264 [inline] do_fault mm/memory.c:4392 [inline] handle_pte_fault mm/memory.c:4650 [inline] __handle_mm_fault mm/memory.c:4785 [inline] handle_mm_fault+0x1b50/0x2970 mm/memory.c:4883 __do_page_fault arch/arm64/mm/fault.c:505 [inline] do_page_fault+0x694/0xad4 arch/arm64/mm/fault.c:605 do_translation_fault+0xe0/0x130 arch/arm64/mm/fault.c:686 do_mem_abort+0x6c/0x1ac arch/arm64/mm/fault.c:820 el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:358 el1h_64_sync_handler+0x80/0xcc arch/arm64/kernel/entry-common.c:418 el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:522 __arch_copy_from_user+0xa4/0x218 arch/arm64/lib/copy_template.S:94 __sys_bpf+0x19c/0x5f0 kernel/bpf/syscall.c:4630 __do_sys_bpf kernel/bpf/syscall.c:4761 [inline] __se_sys_bpf kernel/bpf/syscall.c:4759 [inline] __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:4759 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffff8000142f1520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:312 2 locks held by kworker/1:3/3625: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 kernel/workqueue.c:2283 #1: ffff800022ad7c00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 kernel/workqueue.c:2285 1 lock held by udevd/3662: #0: ffff0000cb551918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x120/0x874 block/bdev.c:820 2 locks held by getty/3806: #0: ffff0000d510a098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001bcee2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c drivers/tty/n_tty.c:2158 2 locks held by syz-executor.0/4313: #0: ffff0000cb551918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac block/bdev.c:915 #1: ffff0000cc4ea468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa4/0x978 drivers/block/loop.c:1366 2 locks held by syz-executor.3/4323: #0: ffff0000cc164118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac block/bdev.c:915 #1: ffff0000cc543468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa4/0x978 drivers/block/loop.c:1366 2 locks held by syz-executor.1/4327: #0: ffff0000cc160518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac block/bdev.c:915 #1: ffff0000cc4ed468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa4/0x978 drivers/block/loop.c:1366 1 lock held by syz-executor.5/4331: #0: ffff8000142f5fe8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline] #0: ffff8000142f5fe8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2f0/0x5e0 kernel/rcu/tree_exp.h:845 2 locks held by syz-executor.4/4335: #0: ffff0000cc166118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac block/bdev.c:915 #1: ffff0000cc546468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa4/0x978 drivers/block/loop.c:1366 2 locks held by syz-executor.2/8870: #0: ffff0000e6af38e0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:842 [inline] #0: ffff0000e6af38e0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_fault+0x660/0xeac mm/filemap.c:3096 #1: ffff0000e6af34a0 (&ni->ni_lock/5){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1100 [inline] #1: ffff0000e6af34a0 (&ni->ni_lock/5){+.+.}-{3:3}, at: ntfs_readpage+0x140/0x1c0 fs/ntfs3/inode.c:726 2 locks held by syz-executor.2/8879: #0: ffff0000e6af38e0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:842 [inline] #0: ffff0000e6af38e0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_fault+0x4b0/0xeac mm/filemap.c:3081 #1: ffff0000e6af34a0 (&ni->ni_lock/5){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1100 [inline] #1: ffff0000e6af34a0 (&ni->ni_lock/5){+.+.}-{3:3}, at: ntfs_readpage+0x140/0x1c0 fs/ntfs3/inode.c:726 =============================================