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| Filename | Latest commit message | Latest commit date |
|---|---|---|
f823d27308
[ Upstream commit c62663a986acee7c4485c1fa9de5fc40194b6290 ]
Potenatially, __hfs_ext_read_extent() could operate by
not initialized values of fd->key after hfs_brec_find() call:
static inline int __hfs_ext_read_extent(struct hfs_find_data *fd, struct hfs_extent *extent,
u32 cnid, u32 block, u8 type)
{
int res;
hfs_ext_build_key(fd->search_key, cnid, block, type);
fd->key->ext.FNum = 0;
res = hfs_brec_find(fd);
if (res && res != -ENOENT)
return res;
if (fd->key->ext.FNum != fd->search_key->ext.FNum ||
fd->key->ext.FkType != fd->search_key->ext.FkType)
return -ENOENT;
if (fd->entrylength != sizeof(hfs_extent_rec))
return -EIO;
hfs_bnode_read(fd->bnode, extent, fd->entryoffset, sizeof(hfs_extent_rec));
return 0;
}
This patch changes kmalloc() on kzalloc() in hfs_find_init()
and intializes fd->record, fd->keyoffset, fd->keylength,
fd->entryoffset, fd->entrylength for the case if hfs_brec_find()
has been found nothing in the b-tree node.
Signed-off-by: Viacheslav Dubeyko <slava@dubeyko.com>
cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
cc: Yangtao Li <frank.li@vivo.com>
cc: linux-fsdevel@vger.kernel.org
Link: https://lore.kernel.org/r/20250818225252.126427-1-slava@dubeyko.com
Signed-off-by: Viacheslav Dubeyko <slava@dubeyko.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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| kernel | ||
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| net | ||
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| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.