Messages in this thread | | | Subject | Re: [patch net v5] tcp: prohibit TCP_REPAIR_OPTIONS if data was already sent | From | patchwork-bot+netdevbpf@kernel ... | Date | Mon, 07 Nov 2022 11:40:15 +0000 |
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Hello:
This patch was applied to netdev/net.git (master) by David S. Miller <davem@davemloft.net>:
On Fri, 4 Nov 2022 10:27:23 +0800 you wrote: > If setsockopt with option name of TCP_REPAIR_OPTIONS and opt_code > of TCPOPT_SACK_PERM is called to enable sack after data is sent > and dupacks are received , it will trigger a warning in function > tcp_verify_left_out() as follows: > > ============================================ > WARNING: CPU: 8 PID: 0 at net/ipv4/tcp_input.c:2132 > tcp_timeout_mark_lost+0x154/0x160 > tcp_enter_loss+0x2b/0x290 > tcp_retransmit_timer+0x50b/0x640 > tcp_write_timer_handler+0x1c8/0x340 > tcp_write_timer+0xe5/0x140 > call_timer_fn+0x3a/0x1b0 > __run_timers.part.0+0x1bf/0x2d0 > run_timer_softirq+0x43/0xb0 > __do_softirq+0xfd/0x373 > __irq_exit_rcu+0xf6/0x140 > > [...]
Here is the summary with links: - [net,v5] tcp: prohibit TCP_REPAIR_OPTIONS if data was already sent https://git.kernel.org/netdev/net/c/0c175da7b037
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