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(parent: 5f3429c) | patch
netfilter: nfnetlink_cthelper: hit EBUSY on updates if size mismatches
authorPablo Neira Ayuso <pablo@netfilter.org>
Fri, 28 May 2021 11:45:16 +0000 (13:45 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Jun 2021 11:39:19 +0000 (13:39 +0200)
commit8d614eebc003bb7763993e6fcdc8f853401bc17e
treebfe9e3c72f658954980efc13cbee119537c34d60tree | snapshot
parent5f3429c05e4028a0e241afdad856dd15dec2ffb9commit | diff
netfilter: nfnetlink_cthelper: hit EBUSY on updates if size mismatches

[ Upstream commit 8971ee8b087750a23f3cd4dc55bff2d0303fd267 ]

The private helper data size cannot be updated. However, updates that
contain NFCTH_PRIV_DATA_LEN might bogusly hit EBUSY even if the size is
the same.

Fixes: 12f7a505331e ("netfilter: add user-space connection tracking helper infrastructure")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
net/netfilter/nfnetlink_cthelper.c diff | blob | history
Domain: System / Kernel;