If there was a size mismatch after creation it would get fixed on grow in imsm_fix_size_mismatch(), but due to double free "double free or corruption (fasttop)" error occurs and grow cannot proceed. Signed-off-by: Lukasz Florczak <lukasz.florczak@xxxxxxxxxxxxxxx> --- super-intel.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/super-intel.c b/super-intel.c index d5fad102..bf6ba9ff 100644 --- a/super-intel.c +++ b/super-intel.c @@ -11783,9 +11783,8 @@ static int imsm_fix_size_mismatch(struct supertype *st, int subarray_index) st->update_tail = &st->updates; } else { imsm_sync_metadata(st); + free(update); } - - free(update); } ret_val = 0; exit: -- 2.27.0