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| author | OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> | 2018-08-21 21:59:44 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-15 09:42:57 +0200 |
| commit | b6e77fa4a741e56256510621f4821a6337298cd5 (patch) | |
| tree | f7c65e4f5409a9c5a628bb70996740628c111b13 /scripts/mod/modpost.c | |
| parent | 1cedd72d0f688b9c169836649ac9ec07a3c601d6 (diff) | |
fat: validate ->i_start before using
[ Upstream commit 0afa9626667c3659ef8bd82d42a11e39fedf235c ]
On corrupted FATfs may have invalid ->i_start. To handle it, this checks
->i_start before using, and return proper error code.
Link: http://lkml.kernel.org/r/87o9f8y1t5.fsf_-_@mail.parknet.co.jp
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Reported-by: Anatoly Trosinenko <anatoly.trosinenko@gmail.com>
Tested-by: Anatoly Trosinenko <anatoly.trosinenko@gmail.com>
Cc: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'scripts/mod/modpost.c')
0 files changed, 0 insertions, 0 deletions