mailbox: zynqmp-ipi: Fix out-of-bounds access in mailbox cleanup loop

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: mailbox: zynqmp-ipi: Fix out-of-bounds access in mailbox cleanup loop The cleanup loop was starting at the wrong array index, causing out-of-bounds access. Start the loop at the correct index for zero-indexed arrays to prevent accessing memory beyond the allocated array bounds.

References

• https://git.kernel.org/stable/c/cd0cbf2713f6e027ebba867cb7409ae345a31312
• https://git.kernel.org/stable/c/ab96f08ecedd263ecaab9df8455bfb23b07fdcc2
• https://git.kernel.org/stable/c/0aead8197fc1a85b0a89646e418feb49a564b029