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(parent: dc09363) | patch
isofs: Fix unchecked printing of ER records
authorJan Kara <jack@suse.cz>
Thu, 18 Dec 2014 16:26:10 +0000 (17:26 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 8 Jan 2015 18:27:47 +0000 (10:27 -0800)
commitb9d0cf5f7efe4a060ae1487ea25c008681aff056
tree7746b44c44867af8ae12b506d9e3e50fd9ea8d10tree
parentdc093638b94d08915385773e8137048f317440c6commit | diff
isofs: Fix unchecked printing of ER records

commit 4e2024624e678f0ebb916e6192bd23c1f9fdf696 upstream.

We didn't check length of rock ridge ER records before printing them.
Thus corrupted isofs image can cause us to access and print some memory
behind the buffer with obvious consequences.

Reported-and-tested-by: Carl Henrik Lunde <chlunde@ping.uio.no>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/isofs/rock.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git