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Merge d698ab2a01 into 8be86d4a24

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Mandaji Saikumar 2026-09-07 23:57:23 +05:30 • committed by GitHub
commit 953e78c983
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tasks.c
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@ -1637,6 +1637,19 @@ STATIC void prvAddNewTaskToReadyList( TCB_t * pxNewTCB ) PRIVILEGED_FUNCTION;
{
TCB_t * pxNewTCB;
/* uxStackDepth is a word count that gets multiplied by
* sizeof( StackType_t ) below to get a byte count for the stack
* allocation. On targets where configSTACK_DEPTH_TYPE / size_t is
* 32-bit, an oversized uxStackDepth can make that multiplication
* wrap, silently allocating a far smaller stack than requested
* while prvInitialiseNewTask() still initialises the task using
* the original, larger uxStackDepth. Reject that up front and
* treat it the same as any other allocation failure. */
if( ( SIZE_MAX / sizeof( StackType_t ) ) < ( size_t ) uxStackDepth )
{
pxNewTCB = NULL;
}
else
/* If the stack grows down then allocate the stack then the TCB so the stack
* does not grow into the TCB. Likewise if the stack grows up then allocate
* the TCB then the stack. */