net: ethernet: lantiq_etop: fix double free in detach
stable inclusion from stable-v4.19.318 commit 1a2db00a554cfda57c397cce79b2804bf9633fec category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAGEKE CVE: CVE-2024-41046 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1a2db00a554cfda57c397cce79b2804bf9633fec --------------------------- [ Upstream commit e1533b6319ab9c3a97dad314dd88b3783bc41b69 ] The number of the currently released descriptor is never incremented which results in the same skb being released multiple times. Fixes: 504d4721 ("MIPS: Lantiq: Add ethernet driver") Reported-by:Joe Perches <joe@perches.com> Closes: https://lore.kernel.org/all/fc1bf93d92bb5b2f99c6c62745507cc22f3a7b2d.camel@perches.com/ Signed-off-by:
Aleksander Jan Bajkowski <olek2@wp.pl> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20240708205826.5176-1-olek2@wp.pl Signed-off-by:
Jakub Kicinski <kuba@kernel.org> Signed-off-by:
Sasha Levin <sashal@kernel.org> Signed-off-by:
Zhengchao Shao <shaozhengchao@huawei.com>
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