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(parent: 0351468) | patch
vfs: ensure page symlinks are NUL-terminated
authorDuane Griffin <duaneg@dghda.com>
Fri, 19 Dec 2008 20:47:12 +0000 (20:47 +0000)
committerAl Viro <viro@zeniv.linux.org.uk>
Wed, 31 Dec 2008 23:07:39 +0000 (18:07 -0500)
commitebd09abbd9699f328165aee50a070403fbf55a37
treea253ba391180a3eed580a493eb831aaae167c837tree
parent035146851cfa2fe24c1d9dc7637bb009ad06b2f7commit | diff
vfs: ensure page symlinks are NUL-terminated

On-disk data corruption could cause a page link to have its i_size set
to PAGE_SIZE (or a multiple thereof) and its contents all non-NUL.
NUL-terminate the link name to ensure this doesn't cause further
problems for the kernel.

Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Duane Griffin <duaneg@dghda.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/namei.c diff | blob | history
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