[FS#1466] Kernel panic on tcp_push (4.14-only and patch available)

Mon Apr 2 05:32:00 PDT 2018

A new Flyspray task has been opened.  Details are below. 

User who did this - easyteacher (easyteacher) 

Attached to Project - OpenWrt/LEDE Project
Summary - Kernel panic on tcp_push (4.14-only and patch available)
Task Type - Bug Report
Category - Kernel
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - Device: Newifi D1
Software version: Linux Kernel 4.14.29

A similar problem has been reported [[https://www.spinics.net/lists/stable/msg227954.html|here]].
https://www.spinics.net/lists/stable/msg227954.html

I have tried to apply [[https://patchwork.ozlabs.org/patch/886324/|this patch]], and it works very well for there are no more annoying warning messages in dmesg and the system won't unexpectedly hang again. But it hasn't been accepted upstream.
https://patchwork.ozlabs.org/patch/886324/

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=1466