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(parent: ad78b81) | patch
firmware: arm_scmi: Harden shared memory access in fetch_notification
authorCristian Marussi <cristian.marussi@arm.com>
Thu, 22 Dec 2022 18:38:21 +0000 (18:38 +0000)
committerSudeep Holla <sudeep.holla@arm.com>
Tue, 3 Jan 2023 16:50:30 +0000 (16:50 +0000)
commit9bae076cd4e3e3c3dc185cae829d80b2dddec86e
tree633bd55153a6ce693c11d69d7dcb93b9518103cftree | snapshot
parentad78b81a1077f7d956952cd8bdfe1e61504e3eb8commit | diff
firmware: arm_scmi: Harden shared memory access in fetch_notification

A misbheaving SCMI platform firmware could reply with out-of-spec
notifications, shorter than the mimimum size comprising a header.

Fixes: d5141f37c42e ("firmware: arm_scmi: Add notifications support in transport layer")
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20221222183823.518856-4-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
drivers/firmware/arm_scmi/shmem.c diff | blob | history
This is a test repository.
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