lib/mpi: Fix karactx leak in mpi_powm
Sometimes mpi_powm will leak karactx because a memory allocation failure causes a bail-out that skips the freeing of karactx. This patch moves the freeing of karactx to the end of the function like everything else so that it can't be skipped. Reported-by:<syzbot+f7baccc38dcc1e094e77@syzkaller.appspotmail.com> Fixes: cdec9cb5 ("crypto: GnuPG based MPI lib - source files...") Cc: <stable@vger.kernel.org> Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Reviewed-by:
Eric Biggers <ebiggers@kernel.org> Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au>
parent
7829a0c1
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