[PATCH v3] coresight: ETR: Fix ETR buffer use-after-free issue

[Suzuki K Poulose]

On Tue, 21 Oct 2025 16:45:25 +0800, Xiaoqi Zhuang wrote:
> When ETR is enabled as CS_MODE_SYSFS, if the buffer size is changed
> and enabled again, currently sysfs_buf will point to the newly
> allocated memory(buf_new) and free the old memory(buf_old). But the
> etr_buf that is being used by the ETR remains pointed to buf_old, not
> updated to buf_new. In this case, it will result in a memory
> use-after-free issue.
> 
> [...]

Applied, thanks!

[1/1] coresight: ETR: Fix ETR buffer use-after-free issue
      https://git.kernel.org/coresight/c/35501ac3c7d4

Best regards,
-- 
Suzuki K Poulose <suzuki.poulose at arm.com>