INFO: task syz-executor.5:23455 blocked for more than 143 seconds. Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:0 pid:23455 tgid:23444 ppid:6141 flags:0x0000000d Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5376 [inline] __schedule+0x1354/0x2360 kernel/sched/core.c:6688 __schedule_loop kernel/sched/core.c:6763 [inline] schedule+0xb8/0x19c kernel/sched/core.c:6778 io_schedule+0x8c/0x12c kernel/sched/core.c:8998 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1273 __folio_lock mm/filemap.c:1611 [inline] folio_lock include/linux/pagemap.h:1031 [inline] __filemap_get_folio+0x1e4/0xa60 mm/filemap.c:1864 pagecache_get_page+0x3c/0x128 mm/folio-compat.c:99 find_or_create_page include/linux/pagemap.h:740 [inline] ni_readpage_cmpr+0x2a0/0x79c fs/ntfs3/frecord.c:2135 ntfs_read_folio+0x14c/0x1c0 fs/ntfs3/inode.c:720 filemap_read_folio+0x14c/0x39c mm/filemap.c:2323 filemap_fault+0xa9c/0xff4 mm/filemap.c:3334 __do_fault+0x11c/0x3d8 mm/memory.c:4266 do_read_fault mm/memory.c:4629 [inline] do_fault mm/memory.c:4763 [inline] do_pte_missing mm/memory.c:3731 [inline] handle_pte_fault mm/memory.c:5039 [inline] __handle_mm_fault mm/memory.c:5180 [inline] handle_mm_fault+0x37c8/0x4a7c mm/memory.c:5345 __do_page_fault arch/arm64/mm/fault.c:513 [inline] do_page_fault+0x4e8/0xa54 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+0x180/0x230 arch/arm64/lib/copy_template.S:146 __sys_bpf+0x17c/0x5dc kernel/bpf/syscall.c:5356 __do_sys_bpf kernel/bpf/syscall.c:5487 [inline] __se_sys_bpf kernel/bpf/syscall.c:5485 [inline] __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5485 __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+0x54/0x158 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 INFO: task syz-executor.5:23456 blocked for more than 143 seconds. Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:0 pid:23456 tgid:23444 ppid:6141 flags:0x0000000d Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5376 [inline] __schedule+0x1354/0x2360 kernel/sched/core.c:6688 __schedule_loop kernel/sched/core.c:6763 [inline] schedule+0xb8/0x19c kernel/sched/core.c:6778 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6835 __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:719 filemap_read_folio+0x14c/0x39c mm/filemap.c:2323 filemap_fault+0xa9c/0xff4 mm/filemap.c:3334 __do_fault+0x11c/0x3d8 mm/memory.c:4266 do_read_fault mm/memory.c:4629 [inline] do_fault mm/memory.c:4763 [inline] do_pte_missing mm/memory.c:3731 [inline] handle_pte_fault mm/memory.c:5039 [inline] __handle_mm_fault mm/memory.c:5180 [inline] handle_mm_fault+0x37c8/0x4a7c mm/memory.c:5345 __do_page_fault arch/arm64/mm/fault.c:513 [inline] do_page_fault+0x4e8/0xa54 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+0x94/0x230 arch/arm64/lib/copy_template.S:91 sock_do_ioctl+0x178/0x2d0 net/socket.c:1232 sock_ioctl+0x4ec/0x838 net/socket.c:1339 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:857 __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+0x54/0x158 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: ffff80008e6c48c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:300 1 lock held by udevd/5721: 2 locks held by getty/5857: #0: ffff0000d79190a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800094e802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201 2 locks held by syz-executor.0/6137: 2 locks held by kworker/u4:53/7665: 2 locks held by syz-executor.5/23455: #0: ffff0001283fb180 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] #0: ffff0001283fb180 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_fault+0x698/0xff4 mm/filemap.c:3249 #1: ffff0001283fad40 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #1: ffff0001283fad40 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x140/0x1c0 fs/ntfs3/inode.c:719 2 locks held by syz-executor.5/23456: #0: ffff0001283fb180 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] #0: ffff0001283fb180 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_fault+0x698/0xff4 mm/filemap.c:3249 #1: ffff0001283fad40 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #1: ffff0001283fad40 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x140/0x1c0 fs/ntfs3/inode.c:719 2 locks held by syz-executor.5/28730: 4 locks held by syz-executor.0/28773: =============================================