INFO: task syz-executor323:6263 blocked for more than 143 seconds. Not tainted 6.6.0-rc4-syzkaller-g19af4a4ed414 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor323 state:D stack:0 pid:6263 ppid:6067 flags:0x0000000d Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5382 [inline] __schedule+0x1364/0x23b4 kernel/sched/core.c:6695 schedule+0xc4/0x170 kernel/sched/core.c:6771 io_schedule+0x8c/0x12c kernel/sched/core.c:9026 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1301 __folio_lock mm/filemap.c:1629 [inline] folio_lock include/linux/pagemap.h:1042 [inline] __filemap_get_folio+0x1e4/0x8b8 mm/filemap.c:1882 pagecache_get_page+0x44/0x25c mm/folio-compat.c:99 find_or_create_page include/linux/pagemap.h:723 [inline] ni_readpage_cmpr+0x2a0/0x798 fs/ntfs3/frecord.c:2135 ntfs_read_folio+0x14c/0x1c0 fs/ntfs3/inode.c:718 filemap_read_folio+0x14c/0x39c mm/filemap.c:2382 filemap_fault+0x9bc/0xff4 mm/filemap.c:3376 __do_fault+0x11c/0x3d8 mm/memory.c:4204 do_read_fault mm/memory.c:4568 [inline] do_fault mm/memory.c:4705 [inline] do_pte_missing mm/memory.c:3669 [inline] handle_pte_fault mm/memory.c:4978 [inline] __handle_mm_fault mm/memory.c:5119 [inline] handle_mm_fault+0x3018/0x47e4 mm/memory.c:5284 __do_page_fault arch/arm64/mm/fault.c:513 [inline] do_page_fault+0x4ec/0xab8 arch/arm64/mm/fault.c:626 do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:710 do_mem_abort+0x74/0x200 arch/arm64/mm/fault.c:846 el0_da+0x64/0x17c arch/arm64/kernel/entry-common.c:546 el0t_64_sync_handler+0xcc/0xfc arch/arm64/kernel/entry-common.c:699 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 INFO: task syz-executor323:6264 blocked for more than 143 seconds. Not tainted 6.6.0-rc4-syzkaller-g19af4a4ed414 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor323 state:D stack:0 pid:6264 ppid:6067 flags:0x0000000d Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5382 [inline] __schedule+0x1364/0x23b4 kernel/sched/core.c:6695 schedule+0xc4/0x170 kernel/sched/core.c:6771 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6830 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799 ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] ntfs_read_folio+0x140/0x1c0 fs/ntfs3/inode.c:717 filemap_read_folio+0x14c/0x39c mm/filemap.c:2382 filemap_fault+0x9bc/0xff4 mm/filemap.c:3376 __do_fault+0x11c/0x3d8 mm/memory.c:4204 do_read_fault mm/memory.c:4568 [inline] do_fault mm/memory.c:4705 [inline] do_pte_missing mm/memory.c:3669 [inline] handle_pte_fault mm/memory.c:4978 [inline] __handle_mm_fault mm/memory.c:5119 [inline] handle_mm_fault+0x3018/0x47e4 mm/memory.c:5284 __do_page_fault arch/arm64/mm/fault.c:513 [inline] do_page_fault+0x4ec/0xab8 arch/arm64/mm/fault.c:626 do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:710 do_mem_abort+0x74/0x200 arch/arm64/mm/fault.c:846 el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:398 el1h_64_sync_handler+0x60/0xac arch/arm64/kernel/entry-common.c:458 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:590 __arch_copy_from_user+0xa4/0x230 arch/arm64/lib/copy_template.S:94 __sys_bpf+0x17c/0x5dc kernel/bpf/syscall.c:5308 __do_sys_bpf kernel/bpf/syscall.c:5439 [inline] __se_sys_bpf kernel/bpf/syscall.c:5437 [inline] __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5437 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Showing all locks held in the system: 1 lock held by khungtaskd/29: #0: ffff80008e373780 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:302 2 locks held by getty/5772: #0: ffff0000d6c820a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800095a002f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2206 2 locks held by syz-executor323/6263: #0: ffff0000dd3873e0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] #0: ffff0000dd3873e0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_fault+0x6e4/0xff4 mm/filemap.c:3298 #1: ffff0000dd386fa0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #1: ffff0000dd386fa0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x140/0x1c0 fs/ntfs3/inode.c:717 2 locks held by syz-executor323/6264: #0: ffff0000dd3873e0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] #0: ffff0000dd3873e0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_fault+0x6e4/0xff4 mm/filemap.c:3298 #1: ffff0000dd386fa0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #1: ffff0000dd386fa0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x140/0x1c0 fs/ntfs3/inode.c:717 =============================================