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(parent: 0f7ff2d) | patch
Don't reset ->total_link_count on nested calls of vfs_path_lookup()
authorAl Viro <viro@zeniv.linux.org.uk>
Sun, 6 Dec 2015 17:33:02 +0000 (12:33 -0500)
committerAl Viro <viro@zeniv.linux.org.uk>
Sun, 6 Dec 2015 17:33:02 +0000 (12:33 -0500)
commit2788cc47f4593cca2c3c73c7bb82cd32b88c8ef7
tree09b9de3f1e714873e1cfb947257c2de5a1040f5ftree | snapshot
parent0f7ff2dabbc95ed7a8019d142274f0c7e083577dcommit | diff
Don't reset ->total_link_count on nested calls of vfs_path_lookup()

we already zero it on outermost set_nameidata(), so initialization in
path_init() is pointless and wrong.  The same DoS exists on pre-4.2
kernels, but there a slightly different fix will be needed.

Cc: stable@vger.kernel.org # v4.2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/namei.c diff | blob | history
Domain: System / Kernel;