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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/cryptd.c | |
| parent | crypto: hmac - fix memory leak in hmac_init_tfm() (diff) | |
| download | linux-dev-c8ea9fce2baf7b643384f36f29e4194fa40d33a6.tar.xz linux-dev-c8ea9fce2baf7b643384f36f29e4194fa40d33a6.zip | |
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/cryptd.c')
0 files changed, 0 insertions, 0 deletions