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authorLuis Henriques <luis.henriques@canonical.com>2012-07-11 14:02:10 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-16 09:04:45 -0700
commitbb2b649805527af1d823f871e7e3a95c4e6a018e (patch)
treeb247be4fc93d60ee914b2f78a02e97956682dc7e /Makefile
parent7ad71f960f0f6e06cbded278809674afc515036a (diff)
ocfs2: fix NULL pointer dereference in __ocfs2_change_file_space()
commit a4e08d001f2e50bb8b3c4eebadcf08e5535f02ee upstream. As ocfs2_fallocate() will invoke __ocfs2_change_file_space() with a NULL as the first parameter (file), it may trigger a NULL pointer dereferrence due to a missing check. Addresses http://bugs.launchpad.net/bugs/1006012 Signed-off-by: Luis Henriques <luis.henriques@canonical.com> Reported-by: Bret Towe <magnade@gmail.com> Tested-by: Bret Towe <magnade@gmail.com> Cc: Sunil Mushran <sunil.mushran@oracle.com> Acked-by: Joel Becker <jlbec@evilplan.org> Acked-by: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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