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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2019-06-24 18:32:26 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-07-03 22:11:55 +0800 |
| commit | c8ea9fce2baf7b643384f36f29e4194fa40d33a6 (patch) | |
| tree | ac6c28eff7d957212a01d18d2dc932ef9b54b3a6 /crypto | |
| parent | 7829a0c1cb9c80debfb4fdb49b4d90019f2ea1ac (diff) | |
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: cdec9cb5167a ("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>
Diffstat (limited to 'crypto')
0 files changed, 0 insertions, 0 deletions