commit
3e21d9a501bf99aee2e5835d7f34d8c823f115b5 upstream.
In case memory resources for _ptr2_ were allocated, release them before
return.
Notice that in case _ptr1_ happens to be NULL, krealloc() behaves
exactly like kmalloc().
Addresses-Coverity-ID:
1490594 ("Resource leak")
Link: http://lkml.kernel.org/r/20200123160115.GA4202@embeddedor
Fixes:
3f15801cdc23 ("lib: add kasan test module")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
if (!ptr1 || !ptr2) {
pr_err("Allocation failed\n");
kfree(ptr1);
+ kfree(ptr2);
return;
}