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RDMA/erdma: Prevent use-after-free in erdma_accept_newconn()
authorCheng Xu <chengyou@linux.alibaba.com>
Thu, 6 Mar 2025 12:04:40 +0000 (20:04 +0800)
committerLeon Romanovsky <leon@kernel.org>
Thu, 6 Mar 2025 13:25:38 +0000 (08:25 -0500)
commit83437689249e6a17b25e27712fbee292e42e7855
tree925e1e465fc227896760e09b3c0b739a672f0867tree
parent0b27b0e4d43aff78f996abd2d60faa838e8e30b1commit | diff
RDMA/erdma: Prevent use-after-free in erdma_accept_newconn()

After the erdma_cep_put(new_cep) being called, new_cep will be freed,
and the following dereference will cause a UAF problem. Fix this issue.

Fixes: 920d93eac8b9 ("RDMA/erdma: Add connection management (CM) support")
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
drivers/infiniband/hw/erdma/erdma_cm.c diff | blob | history
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