| From a6dc8c04218eb752ff79cdc24a995cf51866caed Mon Sep 17 00:00:00 2001 |
| From: Janne Kalliomäki <janne@tuxera.com> |
| Date: Sun, 17 Jun 2012 17:05:24 -0400 |
| Subject: hfsplus: fix overflow in sector calculations in hfsplus_submit_bio |
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| Content-Type: text/plain; charset=UTF-8 |
| Content-Transfer-Encoding: 8bit |
| |
| From: Janne Kalliomäki <janne@tuxera.com> |
| |
| commit a6dc8c04218eb752ff79cdc24a995cf51866caed upstream. |
| |
| The variable io_size was unsigned int, which caused the wrong sector number |
| to be calculated after aligning it. This then caused mount to fail with big |
| volumes, as backup volume header information was searched from a |
| wrong sector. |
| |
| Signed-off-by: Janne Kalliomäki <janne@tuxera.com> |
| Signed-off-by: Christoph Hellwig <hch@lst.de> |
| Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| fs/hfsplus/wrapper.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| --- a/fs/hfsplus/wrapper.c |
| +++ b/fs/hfsplus/wrapper.c |
| @@ -56,7 +56,7 @@ int hfsplus_submit_bio(struct super_bloc |
| DECLARE_COMPLETION_ONSTACK(wait); |
| struct bio *bio; |
| int ret = 0; |
| - unsigned int io_size; |
| + u64 io_size; |
| loff_t start; |
| int offset; |
| |
