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authorJames Chapman <jchapman@katalix.com>2024-08-07 09:54:47 +0300
committerDavid S. Miller <davem@davemloft.net>2024-08-11 06:38:49 +0300
commitb0a8deda060d51ebe4614ed6e1829d933139ba1a (patch)
treefdc52e53af19e502c25405dfdffdfe7605086f7c /include/linux/overflow.h
parentebed6606b95954b94df6229db806978b32f3fa23 (diff)
downloadlinux-b0a8deda060d51ebe4614ed6e1829d933139ba1a.tar.xz
l2tp: handle hash key collisions in l2tp_v3_session_get
To handle colliding l2tpv3 session IDs, l2tp_v3_session_get searches a hashed list keyed by ID and sk. Although unlikely, if hash keys collide, it is possible that hash_for_each_possible loops over a session which doesn't have the ID that we are searching for. So check for session ID match when looping over possible hash key matches. Signed-off-by: James Chapman <jchapman@katalix.com> Signed-off-by: Tom Parkin <tparkin@katalix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/overflow.h')
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