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libceph: check authorizer reply/challenge length before reading
authorIlya Dryomov <idryomov@gmail.com>
Fri, 27 Jul 2018 17:40:30 +0000 (19:40 +0200)
committerIlya Dryomov <idryomov@gmail.com>
Thu, 2 Aug 2018 19:33:26 +0000 (21:33 +0200)
commit130f52f2b203aa0aec179341916ffb2e905f3afd
treebff0676cab201746527089611ead79b1948d1ff5tree | snapshot
parentcc255c76c70f7a87d97939621eae04b600d9f4a1commit | diff
libceph: check authorizer reply/challenge length before reading

Avoid scribbling over memory if the received reply/challenge is larger
than the buffer supplied with the authorizer.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Sage Weil <sage@redhat.com>
net/ceph/messenger.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git