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(parent: 7489246) | patch
filefrag: avoid temporary buffer overflow
authorAndreas Dilger <adilger@dilger.ca>
Thu, 29 Mar 2018 18:36:54 +0000 (12:36 -0600)
committerTheodore Ts'o <tytso@mit.edu>
Fri, 30 Mar 2018 03:01:19 +0000 (23:01 -0400)
commit17a1f2c1929630e3a79e6b98168d56f96acf2e8b
treebff3290114ffaadc58ef8ace60b014a5c1917e30tree | snapshot
parent748924621fdd0e70a191091915fc9724d42e4796commit | diff
filefrag: avoid temporary buffer overflow

If an unknown flag is present in a FIEMAP extent, it is printed as a
hex value into a temporary buffer before adding it to the flags.  If
that unknown flag is over 0xfff then it will overflow the temporary
buffer.

Reported-by: Sarah Liu <wei3.liu@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-10335
Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
misc/filefrag.c diff | blob | history
Mirror of git://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git