Re: [Xen-devel] [PATCH v3 2/2] xmalloc: add a Kconfig option to poison free pool memory

[Jan Beulich <JBeulich@xxxxxxxx>]

On 05.07.2019 16:48, Paul Durrant wrote:
> This patch adds XMEM_POOL_POISON to the Kconfig DEBUG options. If set,
> free blocks (greater than MIN_BLOCK_SIZE) will be poisoned with 0xAA
> bytes which will then be verified when memory is subsequently allocated.
> This can help in spotting heap corruption, particularly use-after-free.
> 
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

(I'm pondering whether to add the suggested blank lines while
committing.)

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