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authorJan Kara <jack@suse.cz>2014-12-19 14:27:55 +0100
committerJan Kara <jack@suse.cz>2014-12-21 22:42:19 +0100
commite237ec37ec154564f8690c5bd1795339955eeef9 (patch)
tree33e14928a5c2fdee03df67e2e1e4f9991e056fc7 /fs/nilfs2/dat.c
parent0e5cc9a40ada6046e6bc3bdfcd0c0d7e4b706b14 (diff)
udf: Check component length before reading it
Check that length specified in a component of a symlink fits in the input buffer we are reading. Also properly ignore component length for component types that do not use it. Otherwise we read memory after end of buffer for corrupted udf image. Reported-by: Carl Henrik Lunde <chlunde@ping.uio.no> CC: stable@vger.kernel.org Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/nilfs2/dat.c')
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