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(parent: 6dd4e67) | patch
xprtrdma: Fix use-after-free in rpcrdma_post_recvs
authorChuck Lever <chuck.lever@oracle.com>
Wed, 19 Jun 2019 14:32:38 +0000 (10:32 -0400)
committerAnna Schumaker <Anna.Schumaker@Netapp.com>
Tue, 2 Jul 2019 20:29:21 +0000 (16:29 -0400)
commit74463afdd97d0c9103b0ea3926e0aed2281d665b
tree96c99216ecec578b13c1bc2e388d47c0b36576d4tree | snapshot
parent6dd4e67daa4169a45540ce1fb9f80adefb97de08commit | diff
xprtrdma: Fix use-after-free in rpcrdma_post_recvs

Dereference wr->next /before/ the memory backing wr has been
released. This issue was found by code inspection. It is not
expected to be a significant problem because it is in an error
path that is almost never executed.

Fixes: 6ebe1df697bd ("xprtrdma: Move Receive posting to ... ")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
net/sunrpc/xprtrdma/verbs.c diff | blob | history
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