Backport v1.14: syscalls: arm: Fix possible overflow in is_in_region function #23653
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ceolin
added
area: ARM
ceolin
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andrewboie,
andyross,
galak and
MaureenHelm
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d3zd3z
approved these changes
Mar 20, 2020
added 2 commits
March 24, 2020 09:05
This function is widely used by functions that validate memory buffers. Macros used to check permissions, like Z_SYSCALL_MEMORY_READ and Z_SYSCALL_MEMORY_WRITE, use these functions to check that a pointers passed by user threads in a syscall. Signed-off-by: Flavio Ceolin <[email protected]>
Documenting that 0 size buffer has undefined behavior. See: zephyrproject-rtos#23239 Signed-off-by: Flavio Ceolin <[email protected]>
nashif
approved these changes
Mar 24, 2020
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Manually backporting issue: #23239 to v1.14 branch