APPLIED: [SRU][N][PATCH 0/1] Fix -Wuninitialized in ctnetlink_secctx_size()

[Stefan Bader]

On 16.08.25 00:18, Magali Lemes wrote:
> BugLink: https://bugs.launchpad.net/bugs/2120561
> 
> [Impact]
> In ctnetlink_secctx_size() from net/netfilter/nf_conntrack_netlink.c,
> `len` is used uninitialized, triggering the following warning when
> compiling with Clang:
> 
> net/netfilter/nf_conntrack_netlink.c:674:41: warning: variable 'len' is uninitialized when used here [-Wuninitialized]
>      674 |                + nla_total_size(sizeof(char) * len); /* CTA_SECCTX_NAME */
>          |                                                ^~~
> net/netfilter/nf_conntrack_netlink.c:667:9: note: initialize the variable 'len' to silence this warning
>      667 |         int len, ret;
>          |                ^
>          |                 = 0
> 
> [Fix]
> Match mainline commit 2d470c778120 ("lsm: replace context+len with lsm_context").
> 
> [Test Plan]
> Compile with Clang, check the warning is gone and no other warning has been
> triggered.
> 
> [Where problems could occur]
> This patch touches bits of the netlink interface for nf_conntrack. However,
> it addresses a clear mistake in the current implementation, so no issues
> should be introduced.
> 
> Magali Lemes (1):
>    UBUNTU: SAUCE: netfilter: ctnetlink: Fix -Wuninitialized in
>      ctnetlink_secctx_size()
> 
>   net/netfilter/nf_conntrack_netlink.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 


Applied to noble:linux/master-next. Thanks.

-Stefan


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