[Backport v2.7-branch] net: ipv4: Check localhost for incoming packet #66887
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Doing more testing, so added DNM |
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This seems to require more work as there has been many changes in relevant files. |
If we receive a packet from non localhost interface, then drop it if either source or destination address is a localhost address. Signed-off-by: Jukka Rissanen <[email protected]> (cherry picked from commit 6d41e68)
If we receive a packet where the source address is our own address, then we should drop it. Signed-off-by: Jukka Rissanen <[email protected]> (cherry picked from commit 19392a6)
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rlubos
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cfriedt
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Sorry for the delay - thanks for the backport! |
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Manual backport of #66645 to 2.7 branch.
Fixes #66888