[ Sasha's backport helper bot ]
Hi,
✅ All tests passed successfully. No issues detected.
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The upstream commit SHA1 provided is correct: 9b80e4c4ddaca3501177ed41e49d0928ba2122a8
WARNING: Author mismatch between patch and upstream commit:
Backport author: Florian Fainelli<florian.fainelli@xxxxxxxxxxxx>
Commit author: Kees Cook<keescook@xxxxxxxxxxxx>
Status in newer kernel trees:
6.13.y | Present (exact SHA1)
6.12.y | Present (exact SHA1)
6.6.y | Present (exact SHA1)
6.1.y | Present (exact SHA1)
Note: The patch differs from the upstream commit:
---
1: 9b80e4c4ddaca ! 1: 131091196f2cf overflow: Add __must_check attribute to check_*() helpers
@@ Metadata
## Commit message ##
overflow: Add __must_check attribute to check_*() helpers
+ commit 9b80e4c4ddaca3501177ed41e49d0928ba2122a8 upstream
+
Since the destination variable of the check_*_overflow() helpers will
contain a wrapped value on failure, it would be best to make sure callers
really did check the return result of the helper. Adjust the macros to use
@@ Commit message
Suggested-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/lkml/202008151007.EF679DF@keescook/
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
+ Signed-off-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
## include/linux/overflow.h ##
@@
@@ include/linux/overflow.h
+}))
/**
- * array_size() - Calculate size of 2-dimensional array.
+ * size_mul() - Calculate size_t multiplication with saturation at SIZE_MAX
---
Results of testing on various branches:
| Branch | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-5.4.y | Success | Success |
