====================================================== WARNING: possible circular locking dependency detected 5.15.162-syzkaller #0 Not tainted ------------------------------------------------------ syz.0.1258/8502 is trying to acquire lock: ffff8880661a17d0 (&ni->file.run_lock#3){++++}-{3:3}, at: attr_data_get_block+0x26a/0x24e0 fs/ntfs3/attrib.c:828 but task is already holding lock: ffff8880661a1b60 (mapping.invalidate_lock#10){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] ffff8880661a1b60 (mapping.invalidate_lock#10){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x1a6/0x930 mm/readahead.c:195 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (mapping.invalidate_lock#10){.+.+}-{3:3}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_read+0x45/0x2e0 kernel/locking/rwsem.c:1498 filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] filemap_fault+0x708/0x1470 mm/filemap.c:3081 __do_fault+0x139/0x340 mm/memory.c:3898 do_read_fault mm/memory.c:4234 [inline] do_fault mm/memory.c:4362 [inline] handle_pte_fault mm/memory.c:4621 [inline] __handle_mm_fault mm/memory.c:4756 [inline] handle_mm_fault+0x376f/0x5950 mm/memory.c:4854 faultin_page mm/gup.c:976 [inline] __get_user_pages+0x4ed/0x11d0 mm/gup.c:1197 __get_user_pages_locked mm/gup.c:1382 [inline] get_user_pages_unlocked+0x568/0x8a0 mm/gup.c:2222 __gup_longterm_unlocked mm/gup.c:2823 [inline] internal_get_user_pages_fast+0x2306/0x2820 mm/gup.c:2911 iov_iter_get_pages+0x25a/0x570 lib/iov_iter.c:1544 dio_refill_pages fs/direct-io.c:173 [inline] dio_get_page fs/direct-io.c:217 [inline] do_direct_IO fs/direct-io.c:938 [inline] do_blockdev_direct_IO fs/direct-io.c:1276 [inline] __blockdev_direct_IO+0x1419/0x4f40 fs/direct-io.c:1368 blockdev_direct_IO include/linux/fs.h:3303 [inline] ntfs_direct_IO+0x193/0x360 fs/ntfs3/inode.c:798 generic_file_direct_write+0x204/0x460 mm/filemap.c:3687 __generic_file_write_iter+0x2a2/0x4f0 mm/filemap.c:3869 ntfs_file_write_iter+0x48b/0x540 fs/ntfs3/file.c:1146 call_write_iter include/linux/fs.h:2172 [inline] aio_write+0x566/0x780 fs/aio.c:1594 io_submit_one+0x768/0x18d0 fs/aio.c:2013 __do_sys_io_submit fs/aio.c:2072 [inline] __se_sys_io_submit+0x17b/0x2f0 fs/aio.c:2042 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #1 (&mm->mmap_lock){++++}-{3:3}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __might_fault+0xb4/0x110 mm/memory.c:5328 _copy_to_user+0x28/0x130 lib/usercopy.c:35 copy_to_user include/linux/uaccess.h:200 [inline] fiemap_fill_next_extent+0x231/0x410 fs/ioctl.c:144 ni_fiemap+0xa5a/0x1230 fs/ntfs3/frecord.c:2017 ntfs_fiemap+0x12e/0x170 fs/ntfs3/file.c:1227 ioctl_fiemap fs/ioctl.c:219 [inline] do_vfs_ioctl+0x1934/0x2b70 fs/ioctl.c:814 __do_sys_ioctl fs/ioctl.c:872 [inline] __se_sys_ioctl+0x81/0x160 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #0 (&ni->file.run_lock#3){++++}-{3:3}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_read+0x45/0x2e0 kernel/locking/rwsem.c:1498 attr_data_get_block+0x26a/0x24e0 fs/ntfs3/attrib.c:828 ntfs_get_block_vbo+0x3bc/0x1070 fs/ntfs3/inode.c:591 do_mpage_readpage+0x6c8/0x1f70 fs/mpage.c:231 mpage_readahead+0x427/0x9b0 fs/mpage.c:389 read_pages+0x159/0x8e0 mm/readahead.c:130 page_cache_ra_unbounded+0x264/0x930 mm/readahead.c:211 do_sync_mmap_readahead+0x610/0x800 mm/filemap.c:2996 filemap_fault+0x77a/0x1470 mm/filemap.c:3089 __do_fault+0x139/0x340 mm/memory.c:3898 do_read_fault mm/memory.c:4234 [inline] do_fault mm/memory.c:4362 [inline] handle_pte_fault mm/memory.c:4621 [inline] __handle_mm_fault mm/memory.c:4756 [inline] handle_mm_fault+0x376f/0x5950 mm/memory.c:4854 faultin_page mm/gup.c:976 [inline] __get_user_pages+0x4ed/0x11d0 mm/gup.c:1197 __get_user_pages_locked mm/gup.c:1382 [inline] get_user_pages_unlocked+0x23b/0x8a0 mm/gup.c:2222 __gup_longterm_unlocked mm/gup.c:2823 [inline] internal_get_user_pages_fast+0x2306/0x2820 mm/gup.c:2911 iov_iter_get_pages+0x25a/0x570 lib/iov_iter.c:1544 dio_refill_pages fs/direct-io.c:173 [inline] dio_get_page fs/direct-io.c:217 [inline] do_direct_IO fs/direct-io.c:938 [inline] do_blockdev_direct_IO fs/direct-io.c:1276 [inline] __blockdev_direct_IO+0x1419/0x4f40 fs/direct-io.c:1368 blockdev_direct_IO include/linux/fs.h:3303 [inline] ntfs_direct_IO+0x193/0x360 fs/ntfs3/inode.c:798 generic_file_direct_write+0x204/0x460 mm/filemap.c:3687 __generic_file_write_iter+0x2a2/0x4f0 mm/filemap.c:3869 ntfs_file_write_iter+0x48b/0x540 fs/ntfs3/file.c:1146 call_write_iter include/linux/fs.h:2172 [inline] aio_write+0x566/0x780 fs/aio.c:1594 io_submit_one+0x768/0x18d0 fs/aio.c:2013 __do_sys_io_submit fs/aio.c:2072 [inline] __se_sys_io_submit+0x17b/0x2f0 fs/aio.c:2042 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 other info that might help us debug this: Chain exists of: &ni->file.run_lock#3 --> &mm->mmap_lock --> mapping.invalidate_lock#10 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(mapping.invalidate_lock#10); lock(&mm->mmap_lock); lock(mapping.invalidate_lock#10); lock(&ni->file.run_lock#3); *** DEADLOCK *** 2 locks held by syz.0.1258/8502: #0: ffff8880661a19c0 (&sb->s_type->i_mutex_key#22){+.+.}-{3:3}, at: inode_trylock include/linux/fs.h:809 [inline] #0: ffff8880661a19c0 (&sb->s_type->i_mutex_key#22){+.+.}-{3:3}, at: ntfs_file_write_iter+0x1ca/0x540 fs/ntfs3/file.c:1125 #1: ffff8880661a1b60 (mapping.invalidate_lock#10){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] #1: ffff8880661a1b60 (mapping.invalidate_lock#10){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x1a6/0x930 mm/readahead.c:195 stack backtrace: CPU: 1 PID: 8502 Comm: syz.0.1258 Not tainted 5.15.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 check_noncircular+0x2f8/0x3b0 kernel/locking/lockdep.c:2133 check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_read+0x45/0x2e0 kernel/locking/rwsem.c:1498 attr_data_get_block+0x26a/0x24e0 fs/ntfs3/attrib.c:828 ntfs_get_block_vbo+0x3bc/0x1070 fs/ntfs3/inode.c:591 do_mpage_readpage+0x6c8/0x1f70 fs/mpage.c:231 mpage_readahead+0x427/0x9b0 fs/mpage.c:389 read_pages+0x159/0x8e0 mm/readahead.c:130 page_cache_ra_unbounded+0x264/0x930 mm/readahead.c:211 do_sync_mmap_readahead+0x610/0x800 mm/filemap.c:2996 filemap_fault+0x77a/0x1470 mm/filemap.c:3089 __do_fault+0x139/0x340 mm/memory.c:3898 do_read_fault mm/memory.c:4234 [inline] do_fault mm/memory.c:4362 [inline] handle_pte_fault mm/memory.c:4621 [inline] __handle_mm_fault mm/memory.c:4756 [inline] handle_mm_fault+0x376f/0x5950 mm/memory.c:4854 faultin_page mm/gup.c:976 [inline] __get_user_pages+0x4ed/0x11d0 mm/gup.c:1197 __get_user_pages_locked mm/gup.c:1382 [inline] get_user_pages_unlocked+0x23b/0x8a0 mm/gup.c:2222 __gup_longterm_unlocked mm/gup.c:2823 [inline] internal_get_user_pages_fast+0x2306/0x2820 mm/gup.c:2911 iov_iter_get_pages+0x25a/0x570 lib/iov_iter.c:1544 dio_refill_pages fs/direct-io.c:173 [inline] dio_get_page fs/direct-io.c:217 [inline] do_direct_IO fs/direct-io.c:938 [inline] do_blockdev_direct_IO fs/direct-io.c:1276 [inline] __blockdev_direct_IO+0x1419/0x4f40 fs/direct-io.c:1368 blockdev_direct_IO include/linux/fs.h:3303 [inline] ntfs_direct_IO+0x193/0x360 fs/ntfs3/inode.c:798 generic_file_direct_write+0x204/0x460 mm/filemap.c:3687 __generic_file_write_iter+0x2a2/0x4f0 mm/filemap.c:3869 ntfs_file_write_iter+0x48b/0x540 fs/ntfs3/file.c:1146 call_write_iter include/linux/fs.h:2172 [inline] aio_write+0x566/0x780 fs/aio.c:1594 io_submit_one+0x768/0x18d0 fs/aio.c:2013 __do_sys_io_submit fs/aio.c:2072 [inline] __se_sys_io_submit+0x17b/0x2f0 fs/aio.c:2042 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f3a14442bd9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3a12ec3048 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f3a145d0f60 RCX: 00007f3a14442bd9 RDX: 0000000020000540 RSI: 000000000000003b RDI: 00007f3a145a4000 RBP: 00007f3a144b1e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f3a145d0f60 R15: 00007ffea0d9f018