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tls: rx: react to strparser initialization errors

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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: [email protected]
Fixes: 84c61fe1a7 ("tls: rx: do not use the standard strparser")
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Jakub Kicinski authored and David S. Miller committed 2022-08-17 10:24:00 +01:00
1 parent de64b6b6fb
commit 849f16bbfb
1 file changed
+3 -1
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net/tls/tls_sw.c
+3 -1
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@@ -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;