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| /openbmc/linux/fs/exfat/ |
| H A D | inode.c | diff 92fba084b79e6bc7b12fc118209f1922c1a2df56 Mon Nov 22 07:02:37 CST 2021 Christophe Vu-Brugier <christophe.vu-brugier@seagate.com> exfat: fix i_blocks for files truncated over 4 GiB
In exfat_truncate(), the computation of inode->i_blocks is wrong if
the file is larger than 4 GiB because a 32-bit variable is used as a
mask. This is fixed and simplified by using round_up().
Also fix the same buggy computation in exfat_read_root() and another
(correct) one in exfat_fill_inode(). The latter was fixed another way
last month but can be simplified by using round_up() as well. See:
commit 0c336d6e33f4 ("exfat: fix incorrect loading of i_blocks for
large files")
Fixes: 98d917047e8b ("exfat: add file operations")
Cc: stable@vger.kernel.org # v5.7+
Suggested-by: Matthew Wilcox <willy@infradead.org>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Christophe Vu-Brugier <christophe.vu-brugier@seagate.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
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| H A D | super.c | diff 92fba084b79e6bc7b12fc118209f1922c1a2df56 Mon Nov 22 07:02:37 CST 2021 Christophe Vu-Brugier <christophe.vu-brugier@seagate.com> exfat: fix i_blocks for files truncated over 4 GiB
In exfat_truncate(), the computation of inode->i_blocks is wrong if
the file is larger than 4 GiB because a 32-bit variable is used as a
mask. This is fixed and simplified by using round_up().
Also fix the same buggy computation in exfat_read_root() and another
(correct) one in exfat_fill_inode(). The latter was fixed another way
last month but can be simplified by using round_up() as well. See:
commit 0c336d6e33f4 ("exfat: fix incorrect loading of i_blocks for
large files")
Fixes: 98d917047e8b ("exfat: add file operations")
Cc: stable@vger.kernel.org # v5.7+
Suggested-by: Matthew Wilcox <willy@infradead.org>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Christophe Vu-Brugier <christophe.vu-brugier@seagate.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
|
| H A D | file.c | diff 92fba084b79e6bc7b12fc118209f1922c1a2df56 Mon Nov 22 07:02:37 CST 2021 Christophe Vu-Brugier <christophe.vu-brugier@seagate.com> exfat: fix i_blocks for files truncated over 4 GiB
In exfat_truncate(), the computation of inode->i_blocks is wrong if
the file is larger than 4 GiB because a 32-bit variable is used as a
mask. This is fixed and simplified by using round_up().
Also fix the same buggy computation in exfat_read_root() and another
(correct) one in exfat_fill_inode(). The latter was fixed another way
last month but can be simplified by using round_up() as well. See:
commit 0c336d6e33f4 ("exfat: fix incorrect loading of i_blocks for
large files")
Fixes: 98d917047e8b ("exfat: add file operations")
Cc: stable@vger.kernel.org # v5.7+
Suggested-by: Matthew Wilcox <willy@infradead.org>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Christophe Vu-Brugier <christophe.vu-brugier@seagate.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
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