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 <louhongxiang@xxxxxxxxxx> > Reviewed-by: wangbin <wangbin224@xxxxxxxxxx> > Reviewed-by: yangyanchao <yangyanchao6@xxxxxxxxxx> > Signed-off-by: chenhaixiang <chenhaixiang3@xxxxxxxxxx> Thanks, applied. _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec