Messages in this thread | | | Subject | Re: [PATCH v2] net/rds: Fix a use after free in rds_message_map_pages | From | patchwork-bot+netdevbpf@kernel ... | Date | Wed, 31 Mar 2021 21:30:07 +0000 |
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Hello:
This patch was applied to netdev/net.git (refs/heads/master):
On Tue, 30 Mar 2021 18:59:59 -0700 you wrote: > In rds_message_map_pages, the rm is freed by rds_message_put(rm). > But rm is still used by rm->data.op_sg in return value. > > My patch assigns ERR_CAST(rm->data.op_sg) to err before the rm is > freed to avoid the uaf. > > Fixes: 7dba92037baf3 ("net/rds: Use ERR_PTR for rds_message_alloc_sgs()") > Signed-off-by: Lv Yunlong <lyl2019@mail.ustc.edu.cn> > > [...]
Here is the summary with links: - [v2] net/rds: Fix a use after free in rds_message_map_pages https://git.kernel.org/netdev/net/c/bdc2ab5c61a5
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