On Mon, Oct 21, 2024 at 08:00:25PM +0800, Chen Haixiang wrote:
> When kexec_iomem_for_each_line() reads from /proc/iomem,
> concurrent modifications to /proc/iomem may lead to
> usablemem_rgns recording duplicate Crash kernel segments.
> This can result in the number of retrieved Crash kernel
> segments exceeding CRASH_MAX_RESERVED_RANGES, triggering
> a realloc of the crash_reserved_mem in usablemem_rgns,
> which could crash the process. We should ensure that each
> range added to usablemem_rgns is unique to prevent these issues.
> 
> Reviewed-by: Louhongxiang <[email protected]>
> Reviewed-by: wangbin <[email protected]>
> Reviewed-by: yangyanchao <[email protected]>
> Signed-off-by: chenhaixiang <[email protected]>

Thanks, applied.

_______________________________________________
kexec mailing list
[email protected]
http://lists.infradead.org/mailman/listinfo/kexec

Reply via email to