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(parent: d011d58) | 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 17:58:15 +0000 (09:58 -0800)
commit684f4c093f182756a1c1f582c415d3120cc7f5e8
tree77e1d8913b248302b893e25865bf570a79681d1ctree | snapshot
parentd011d586b3f9f1b08f3deb080d8542f56963dc28commit | 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
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