On Sat, 31 May 2025 14:02:08 +0530, oraclelinux@xxxxxxxxxxx wrote: > Problem description: Abnormal message appears in high-concurrency > short connection, the server sends rst to the client, the client > connection is closed, but the server connection that sends rst is > still in ESTABLISHED state? What is the reason? > I captured some information through bpf and confirmed that the > server sent rst and the client status changed to close. I tracked > the failure return of tcp_v4_send_reset and tcp_rcv_state_process > and found that TCP RST: ACK flag = 1, but the tcp state printed here > is the listen state, which is not consistent with the current > connection status viewed by netstat. (Not sure if some events are > discarded), but the tcpdump packet capture analysis shows that the > server is indeed rst and the connection is not released. Please mention the kernel version and userspace / distro used. While I do not know how to fix it, a more complete picture would make the task easier for someone who knows (and the guy reading this 8 years later). Does the same happen on another system with same / different versions? Worth a shot if you have a reproducer. Thanks, Siddh _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
