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(parent: a351b1f) | patch
cifs: check whether acl is valid early
authorChristian Brauner <brauner@kernel.org>
Fri, 28 Oct 2022 10:45:10 +0000 (12:45 +0200)
committerChristian Brauner (Microsoft) <brauner@kernel.org>
Fri, 28 Oct 2022 10:45:10 +0000 (12:45 +0200)
commitcb2144d66b0b24fd1b880fc72678ba21ca414dab
treef0a1fb2c560176b627c3c9846aac807a176f8e05tree | snapshot
parenta351b1f444187312bb42479cb26e82f26fc481d2commit | diff
cifs: check whether acl is valid early

Dan reported that acl is dereferenced before being checked and this is a
valid problem. Fix it be erroring out early instead of doing it later after
we've already relied on acl to be a valid pointer.

Fixes: dc1af4c4b472 ("cifs: implement set acl method")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
fs/cifs/cifsacl.c diff | blob | history
Domain: System / Kernel;