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tls: rx: react to strparser initialization errors 

Even though the normal strparser's init function has a return
value we got away with ignoring errors until now, as it only
validates the parameters and we were passing correct parameters.

tls_strp can fail to init on memory allocation errors, which
syzbot duly induced and reported.

Reported-by: syzbot+abd45eb849b05194b1b6@syzkaller.appspotmail.com
Fixes: 84c61fe1a7 ("tls: rx: do not use the standard strparser")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2022-08-15 17:23:58 -07:00 committed by David S. Miller
parent de64b6b6fb
commit 849f16bbfb
1 changed files with 3 additions and 1 deletions
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4
net/tls/tls_sw.c
View File

@ -2702,7 +2702,9 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx)
crypto_info->version != TLS_1_3_VERSION &&
!!(tfm->__crt_alg->cra_flags & CRYPTO_ALG_ASYNC);
tls_strp_init(&sw_ctx_rx->strp, sk);
rc = tls_strp_init(&sw_ctx_rx->strp, sk);
if (rc)
goto free_aead;
}
goto out;