Joe Perches
5f42436428
sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output ...
commit 2efc459d06f1630001e3984854848a5647086232 upstream.
Output defects can exist in sysfs content using sprintf and snprintf.
sprintf does not know the PAGE_SIZE maximum of the temporary buffer
used for outputting sysfs content and it's possible to overrun the
PAGE_SIZE buffer length.
Add a generic sysfs_emit function that knows that the size of the
temporary buffer and ensures that no overrun is done.
Add a generic sysfs_emit_at function that can be used in multiple
call situations that also ensures that no overrun is done.
Validate the output buffer argument to be page aligned.
Validate the offset len argument to be within the PAGE_SIZE buf.
Signed-off-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/r/884235202216d464d61ee975f7465332c86f76b2.1600285923.git.joe@perches.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-07 12:20:48 +01:00
various cifs/smb3 fixes (including for share deleted cases) and features including improved encrypted read performance, and various debugging improvements
2019-09-19 10:32:16 -07:00
Added new ext4 debugging ioctls to allow userspace to get information
2019-09-21 13:37:39 -07:00
docs: fs: convert docs without extension to ReST
2019-07-31 13:31:05 -06:00
affs: fix basic permission bits to actually work
2020-09-09 19:12:34 +02:00
docs: no structured comments in fs/file_table.c
2019-05-24 15:03:39 -06:00
autofs: update mount control expire desription with AUTOFS_EXP_FORCED
2019-05-14 19:52:50 -07:00
autofs: add description of ignore pseudo mount option
2019-05-14 19:52:50 -07:00
ceph: auto reconnect after blacklisted
2019-09-16 12:06:24 +02:00
coda: Fix typo in the struct CodaCred documentation
2019-07-30 14:19:41 -06:00
Documentation: filesystem: Convert xfs.txt to ReST
2019-07-15 09:15:09 -07:00
debugfs: make debugfs_create_u32_array() return void
2019-06-03 16:34:27 +02:00
docs: fs: convert docs without extension to ReST
2019-07-31 13:31:05 -06:00
erofs: kill use_vmap module parameter
2019-09-05 20:10:09 +02:00
doc: ext2: update description of quota options for ext2
2019-05-20 10:50:48 +02:00
f2fs: add missing documents of reserve_root/resuid/resgid
2019-09-06 16:18:26 -07:00
ext4 crypto: fix to check feature status before get policy
2019-08-31 10:00:29 -05:00
fs-verity: add a documentation file
2019-07-28 16:59:15 -07:00
add virtio-fs
2019-09-27 15:54:24 -07:00
docs: fs: convert docs without extension to ReST
2019-07-31 13:31:05 -06:00
locks: print a warning when mount fails due to lack of "mand" support
2019-08-16 12:13:48 -04:00
ovl: fix regression caused by overlapping layers detection
2019-07-16 13:23:40 +02:00
cifs_atomic_open(): fix double-put on late allocation failure
2020-03-18 07:17:51 +01:00
mm: thp: fix false negative of shmem vma's THP eligibility
2019-07-18 17:08:06 -07:00
docs: early-userspace: move to driver-api guide
2019-07-15 11:03:01 -03:00
seq_file: document how per-entry resources are managed.
2021-03-04 10:26:48 +01:00
sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output
2021-03-07 12:20:48 +01:00
docs: cgroup-v1: add it to the admin-guide book
2019-07-15 11:03:02 -03:00
docs: ubifs-authentication.md: convert to ReST
2019-07-31 13:25:22 -06:00
docs: fs: convert docs without extension to ReST
2019-07-31 13:31:05 -06:00
virtio-fs: add Documentation/filesystems/virtiofs.rst
2019-09-18 15:09:34 +02:00
Documentation: xfs: Fix typo
2019-06-07 11:42:20 -06:00
xfs: add struct xfs_mount pointer to struct xfs_buf
2019-06-28 19:27:29 -07:00
5f42436428