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authorKees Cook <keescook@chromium.org>2018-02-14 15:45:07 -0800
committerDavid S. Miller <davem@davemloft.net>2018-02-16 15:16:05 -0500
commitfe9c842695e26d8116b61b80bfb905356f07834b (patch)
tree4290060a267efbab9953477c6e8a0e5751be97e2 /net/ipv4/fib_semantics.c
parenttls: getsockopt return record sequence number (diff)
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NFC: llcp: Limit size of SDP URI
The tlv_len is u8, so we need to limit the size of the SDP URI. Enforce this both in the NLA policy and in the code that performs the allocation and copy, to avoid writing past the end of the allocated buffer. Fixes: d9b8d8e19b073 ("NFC: llcp: Service Name Lookup netlink interface") Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/fib_semantics.c')
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