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Add bugfix section about buffer sharing

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Mention that arbitrary overlap is now supported, except whenever
MBEDTLS_PSA_ASSUME_EXCLUSIVE_BUFFERS is set.

Signed-off-by: David Horstmann <david.horstmann@arm.com>
This commit is contained in:
David Horstmann
2024-03-12 16:56:49 +00:00
parent 59c1f53088
commit 8b4cea2710
1 changed files with 4 additions and 0 deletions
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ChangeLog.d/psa-shared-memory-protection.txt
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@ -8,3 +8,7 @@ Security
PSA functions are owned exclusively by the PSA core for the duration of PSA functions are owned exclusively by the PSA core for the duration of
the function call, copying may be disabled by setting the function call, copying may be disabled by setting
MBEDTLS_PSA_ASSUME_EXCLUSIVE_BUFFERS. MBEDTLS_PSA_ASSUME_EXCLUSIVE_BUFFERS.
Bugfix
* Fully support arbitrary overlap between inputs and outputs of PSA
functions. Note that overlap is only partial supported when
MBEDTLS_PSA_ASSUME_EXCLUSIVE_BUFFERS is set.