netfilter: nf_tables: possible module reference underflow in error path

Browse source

commit c485c35ff6 upstream.

dst->ops is set on when nft_expr_clone() fails, but module refcount has
not been bumped yet, therefore nft_expr_destroy() leads to module
reference underflow.

Fixes: 8cfd9b0f85 ("netfilter: nftables: generalize set expressions support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Pablo Neira Ayuso 2022-08-09 17:23:52 +02:00 • committed by Greg Kroah-Hartman

parent 4fe99df734

commit 1e52e6cfec

1 changed files with 1 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

net/netfilter/nf_tables_api.c

View file