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![Mateusz Jurczyk](https://secure.gravatar.com/avatar/367e5000faf83e88a65b850ef69467f3.jpg?s=96&d=mm)
Mateusz Jurczyk committed bb84290cd29
af_unix: Add sockaddr length checks before accessing sa_family in bind and connect handlers [ Upstream commit defbcf2decc903a28d8398aa477b6881e711e3ea ] Verify that the caller-provided sockaddr structure is large enough to contain the sa_family field, before accessing it in bind() and connect() handlers of the AF_UNIX socket. Since neither syscall enforces a minimum size of the corresponding memory region, very short sockaddrs (zero or one byte long) result in operating on uninitialized memory while referencing .sa_family. Signed-off-by: Mateusz Jurczyk <mjurczyk@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>