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ARC: fx possible memory corruption with userspace

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Use  Z_KERNEL_STACK_BUFFER instead of
Z_THREAD_STACK_BUFFER for initial stack.

Fixes #50467

Signed-off-by: Ruud Derwig <Ruud.Derwig@synopsys.com>
This commit is contained in:
Ruud Derwig 2022-09-21 16:16:33 +02:00 committed by Fabio Baltieri
parent 4c85c84ec2
commit 9bccb5cc4b
1 changed files with 1 additions and 1 deletions
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arch/arc/core/arc_smp.c
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@ -50,7 +50,7 @@ void arch_start_cpu(int cpu_num, k_thread_stack_t *stack, int sz,
* arc_cpu_wake_flag will protect arc_cpu_sp that
* only one slave cpu can read it per time
*/
arc_cpu_sp = Z_THREAD_STACK_BUFFER(stack) + sz;
arc_cpu_sp = Z_KERNEL_STACK_BUFFER(stack) + sz;
arc_cpu_wake_flag = cpu_num;