From: Jakub Kicinski <kuba@kernel.org>
To: Chuck Lever <cel@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>,
Sabrina Dubroca <sd@queasysnail.net>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
Shuah Khan <shuah@kernel.org>,
netdev@vger.kernel.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH net 1/9] net/tls: Bound time spent on no-data records in tls_sw_read_sock()
Date: Mon, 3 Aug 2026 15:39:05 -0700 [thread overview]
Message-ID: <20260803153905.09f1ba0b@kernel.org> (raw)
In-Reply-To: <20260726-tls-follow-on-v1-1-99bf4cc1c729@kernel.org>
On Sun, 26 Jul 2026 20:33:29 -0400 Chuck Lever wrote:
> +/* Bound the time that consecutive empty ingress data records keep
> + * the socket lock held without releasing it.
> + */
> +#define TLS_RX_NODATA_NS NSEC_PER_MSEC
A time bound is a bad idea in the kernel, a softirq can easily
take >1msec and turn 2 consecutive zero length records into
a fatal error for the connection.
next prev parent reply other threads:[~2026-08-03 22:39 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-27 0:33 [PATCH net 0/9] net/tls: Receive-path fixes for zero-length data records Chuck Lever
2026-07-27 0:33 ` [PATCH net 1/9] net/tls: Bound time spent on no-data records in tls_sw_read_sock() Chuck Lever
2026-07-30 9:12 ` Sabrina Dubroca
2026-07-30 13:05 ` Chuck Lever
2026-07-30 17:21 ` Sabrina Dubroca
2026-08-07 0:17 ` Chuck Lever
2026-08-03 22:39 ` Jakub Kicinski [this message]
2026-08-04 0:35 ` Chuck Lever
2026-08-04 1:19 ` Jakub Kicinski
2026-07-27 0:33 ` [PATCH net 2/9] net/tls: Consume empty data records in tls_sw_splice_read() Chuck Lever
2026-07-30 10:38 ` Sabrina Dubroca
2026-08-07 0:19 ` Chuck Lever
2026-07-27 0:33 ` [PATCH net 3/9] net/tls: Fail tls_sw_splice_read() after a failed async decrypt Chuck Lever
2026-08-03 22:59 ` Jakub Kicinski
2026-07-27 0:33 ` [PATCH net 4/9] net/tls: Honor O_NONBLOCK in tls_sw_splice_read() Chuck Lever
2026-07-30 10:59 ` Sabrina Dubroca
2026-08-07 0:19 ` Chuck Lever
2026-07-27 0:33 ` [PATCH net 5/9] net/tls: Consume empty data records in tls_sw_recvmsg() Chuck Lever
2026-07-30 12:40 ` Sabrina Dubroca
2026-08-07 0:21 ` Chuck Lever
2026-08-03 22:47 ` Jakub Kicinski
2026-08-07 0:20 ` Chuck Lever
2026-07-27 0:33 ` [PATCH net 6/9] selftests: tls: add peek and splice coverage for zero-length records Chuck Lever
2026-07-27 14:07 ` Sabrina Dubroca
2026-07-27 0:33 ` [PATCH net 7/9] selftests: tls: skip the zero_len tests when TLS is unavailable Chuck Lever
2026-07-27 0:33 ` [PATCH net 8/9] selftests: tls: cover splice on a nonblocking socket Chuck Lever
2026-07-27 0:33 ` [PATCH net 9/9] selftests: tls: cover splice after a failed decrypt Chuck Lever
2026-07-27 15:19 ` Sabrina Dubroca
2026-08-03 22:58 ` [PATCH net 0/9] net/tls: Receive-path fixes for zero-length data records Jakub Kicinski
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