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af8c53c8bc
linux/fs/ext4
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Darrick J. Wong af8c53c8bc ext4: limit entries returned when counting fsmap records 
If userspace asked fsmap to try to count the number of entries, we cannot
return more than UINT_MAX entries because fmh_entries is u32.
Therefore, stop counting if we hit this limit or else we will waste time
to return truncated results.

Fixes: 0c9ec4beec ("ext4: support GETFSMAP ioctls")
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Link: https://lore.kernel.org/r/20201001222148.GA49520@magnolia
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2020-10-18 10:37:13 -04:00
..
acl.c ext4: handle ext4_mark_inode_dirty errors 2020-06-03 23:16:50 -04:00
acl.h ext4: fix up remaining files with SPDX cleanups 2017-12-17 22:00:59 -05:00
balloc.c ext4: indicate via a block bitmap read is prefetched via a tracepoint 2020-08-07 14:12:35 -04:00
bitmap.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
block_validity.c ext4: rename system_blks to s_system_blks inside ext4_sb_info 2020-10-18 10:36:59 -04:00
dir.c ext4: avoid utf8_strncasecmp() with unstable name 2020-06-11 11:01:33 -04:00
ext4_extents.h ext4: fix EXT_MAX_EXTENT/INDEX to check for zeroed eh_max 2020-06-03 23:16:49 -04:00
ext4_jbd2.c ext4: abort the filesystem if failed to async write metadata buffer 2020-08-07 14:12:34 -04:00
ext4_jbd2.h ext4: drop ext4_journal_free_reserved() 2020-06-03 23:16:53 -04:00
ext4.h ext4: make mb_check_counter per group 2020-10-18 10:37:13 -04:00
extents_status.c ext4: remove unnecessary comparisons to bool 2020-06-03 23:16:49 -04:00
extents_status.h ext4: fix extent_status trace points 2020-01-25 02:03:03 -05:00
extents.c ext4: delete duplicated words + other fixes 2020-10-18 10:36:13 -04:00
file.c ext4: flag as supporting buffered async reads 2020-10-18 10:36:12 -04:00
fsmap.c ext4: limit entries returned when counting fsmap records 2020-10-18 10:37:13 -04:00
fsmap.h ext4: fix up remaining files with SPDX cleanups 2017-12-17 22:00:59 -05:00
fsync.c ext4: add trace exit in exception path. 2020-10-18 10:36:59 -04:00
hash.c ext4: change to use fallthrough macro 2020-08-18 14:27:40 -04:00
ialloc.c This is the second round of ext4 commits for 5.8 merge window. It 2020-06-15 09:32:10 -07:00
indirect.c ext4: add trace exit in exception path. 2020-10-18 10:36:59 -04:00
inline.c ext4: delete duplicated words + other fixes 2020-10-18 10:36:13 -04:00
inode-test.c kunit: allow kunit tests to be loaded as a module 2020-01-09 16:42:29 -07:00
inode.c ext4: optimize file overwrites 2020-10-18 10:36:58 -04:00
ioctl.c ext4: limit the length of per-inode prealloc list 2020-08-19 12:04:36 -04:00
Kconfig ext4: replace HTTP links with HTTPS ones 2020-08-06 01:01:57 -04:00
Makefile ext4: support xattr gnu.* namespace for the Hurd 2020-06-12 13:23:34 -04:00
mballoc.c ext4: make mb_check_counter per group 2020-10-18 10:37:13 -04:00
mballoc.h ext4: limit the length of per-inode prealloc list 2020-08-19 12:04:36 -04:00
migrate.c ext4: handle ext4_mark_inode_dirty errors 2020-06-03 23:16:50 -04:00
mmp.c ext4: save all error info in save_error_info() and drop ext4_set_errno() 2020-04-01 17:29:06 -04:00
move_extent.c ext4: limit the length of per-inode prealloc list 2020-08-19 12:04:36 -04:00
namei.c ext4: remove unused argument from ext4_(inc|dec)_count 2020-10-18 10:36:13 -04:00
page-io.c ext4: add inline encryption support 2020-07-08 10:29:43 -07:00
readpage.c Improvements to ext4's block allocator performance for very large file 2020-08-21 11:03:38 -07:00
resize.c ext4: fix error handling code in add_new_gdb 2020-10-18 10:36:14 -04:00
super.c ext4: fix bdev write error check failed when mount fs with ro 2020-10-18 10:36:59 -04:00
symlink.c ext4: switch to fscrypt_get_symlink() 2018-01-11 22:10:40 -05:00
sysfs.c ext4: limit the length of per-inode prealloc list 2020-08-19 12:04:36 -04:00
truncate.h ext4: handle layout changes to pinned DAX mappings 2018-07-29 17:00:22 -04:00
verity.c This is the second round of ext4 commits for 5.8 merge window. It 2020-06-15 09:32:10 -07:00
xattr_hurd.c ext4: support xattr gnu.* namespace for the Hurd 2020-06-12 13:23:34 -04:00
xattr_security.c ext4: use XATTR_CREATE in ext4_initxattrs() 2018-05-10 11:52:14 -04:00
xattr_trusted.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xattr_user.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xattr.c ext4: delete unnecessary checks before brelse() 2020-08-06 00:08:56 -04:00
xattr.h ext4: support xattr gnu.* namespace for the Hurd 2020-06-12 13:23:34 -04:00