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H A D | inode.c | 64ee4808 Thu Jul 19 03:47:54 CDT 2007 Michael Halcrow <mhalcrow@us.ibm.com> eCryptfs: ecryptfs_setattr() bugfix
There is another bug recently introduced into the ecryptfs_setattr() function in 2.6.22. eCryptfs will attempt to treat special files like regular eCryptfs files on chmod, chown, and so forth. This leads to a NULL pointer dereference. This patch validates that the file is a regular file before proceeding with operations related to the inode's crypt_stat.
Thanks to Ryusuke Konishi for finding this bug and suggesting the fix.
Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 64ee4808 Thu Jul 19 03:47:54 CDT 2007 Michael Halcrow <mhalcrow@us.ibm.com> eCryptfs: ecryptfs_setattr() bugfix There is another bug recently introduced into the ecryptfs_setattr() function in 2.6.22. eCryptfs will attempt to treat special files like regular eCryptfs files on chmod, chown, and so forth. This leads to a NULL pointer dereference. This patch validates that the file is a regular file before proceeding with operations related to the inode's crypt_stat. Thanks to Ryusuke Konishi for finding this bug and suggesting the fix. Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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