Phillip Lougher 81e8bdf7fb squashfs: fix memory leak in squashfs_fill_super ...

commit b64700d41b upstream.

If sb_min_blocksize returns 0, squashfs_fill_super exits without freeing
allocated memory (sb->s_fs_info).

Fix this by moving the call to sb_min_blocksize to before memory is
allocated.

Link: https://lkml.kernel.org/r/20250811223740.110392-1-phillip@squashfs.org.uk
Fixes: 734aa85390 ("Squashfs: check return result of sb_min_blocksize")
Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
Reported-by: Scott GUO <scottzhguo@tencent.com>
Closes: https://lore.kernel.org/all/20250811061921.3807353-1-scott_gzh@163.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2025-08-28 16:34:35 +02:00

..

block.c

squashfs: fix incorrect argument to sizeof in kmalloc_array call

2025-08-15 16:39:16 +02:00

cache.c

squashfs: fix invalid pointer dereference in squashfs_cache_delete

2025-03-16 17:40:24 -07:00

decompressor_multi_percpu.c

squashfs: fix percpu address space issues in decompressor_multi_percpu.c

2024-09-09 16:47:41 -07:00

decompressor_multi.c

squashfs: allows users to configure the number of decompression threads

2022-11-18 13:55:08 -08:00

decompressor_single.c

squashfs: add the mount parameter theads=<single|multi|percpu>

2022-11-18 13:55:08 -08:00

decompressor.c

squashfs: don't include buffer_head.h

2023-06-09 17:44:14 -07:00

decompressor.h

squashfs: extend "page actor" to handle missing pages

2022-06-16 19:58:21 -07:00

dir.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 35

2019-05-24 17:27:11 +02:00

export.c

exportfs: make ->encode_fh() a mandatory method for NFS export

2023-10-28 16:15:15 +02:00

file_cache.c

squashfs; convert squashfs_copy_cache() to take a folio

2025-01-24 22:47:22 -08:00

file_direct.c

squashfs: convert squashfs_readpage_block() to take a folio

2025-01-24 22:47:22 -08:00

file.c

squashfs: convert squashfs_fill_page() to take a folio

2025-01-24 22:47:22 -08:00

fragment.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 35

2019-05-24 17:27:11 +02:00

id.c

squashfs: fix xattr id and id lookup sanity checks

2021-03-25 09:22:55 -07:00

inode.c

Squashfs: sanity check symbolic link size

2024-08-13 13:56:46 +02:00

Kconfig

squashfs: add optional full compressed block caching

2025-05-27 19:40:33 -07:00

lz4_wrapper.c

squashfs: extend "page actor" to handle missing pages

2022-06-16 19:58:21 -07:00

lzo_wrapper.c

squashfs: extend "page actor" to handle missing pages

2022-06-16 19:58:21 -07:00

Makefile

squashfs: always build "file direct" version of page actor

2022-07-29 18:12:34 -07:00

namei.c

Squashfs: remove deprecated strncpy by not copying the string

2024-04-25 21:07:05 -07:00

page_actor.c

Squashfs: Update page_actor to not use page->index

2024-08-19 14:08:20 +02:00

page_actor.h

Squashfs: Ensure all readahead pages have been used

2024-08-23 13:11:36 +02:00

squashfs_fs_i.h

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 35

2019-05-24 17:27:11 +02:00

squashfs_fs_sb.h

squashfs: cache partial compressed blocks

2023-06-09 17:44:14 -07:00

squashfs_fs.h

Squashfs: fix handling and sanity checking of xattr_ids count

2023-01-31 16:44:10 -08:00

squashfs.h

squashfs: convert squashfs_fill_page() to take a folio

2025-01-24 22:47:22 -08:00

super.c

squashfs: fix memory leak in squashfs_fill_super

2025-08-28 16:34:35 +02:00

symlink.c

squashfs: convert squashfs_symlink_read_folio to use folio APIs

2024-05-08 08:41:28 -07:00

xattr_id.c

revert "squashfs: harden sanity check in squashfs_read_xattr_id_table"

2023-02-03 17:52:25 -08:00

xattr.c

squashfs: move squashfs_xattr_handlers to .rodata

2023-10-10 13:49:20 +02:00

xattr.h

Squashfs: fix handling and sanity checking of xattr_ids count

2023-01-31 16:44:10 -08:00

xz_wrapper.c

squashfs: extend "page actor" to handle missing pages

2022-06-16 19:58:21 -07:00

zlib_wrapper.c

squashfs: extend "page actor" to handle missing pages

2022-06-16 19:58:21 -07:00

zstd_wrapper.c

squashfs: extend "page actor" to handle missing pages

2022-06-16 19:58:21 -07:00