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(parent: e990e54) | 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 18:00:49 +0000 (10:00 -0800)
commita3d4f59634f38d5236b182b403df74bbceeac7c9
tree182a60d6fca0f0965f22f28dede6986c45a7a2b3tree | snapshot
parente990e54996c037f654f5016c78bc03efd6e65e8bcommit | 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 | history
Domain: System / Kernel;