On Thu, Oct 17, 2024 at 08:38:59PM +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. Thanks Chen Haixiang, This looks reasonable to me, but, as per Kernel submissions, I will need an Signed-off-by line [1] in order to apply this patch. [1] https://www.kernel.org/doc/html/latest/process/submitting-patches.html#sign-your-work-the-developer-s-certificate-of-origin _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
