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1688.1.1 Beta - Deadlock in kernel 4.14.22 (Already fixed upstream in 4.14.23) #2375

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martynd opened this issue Mar 1, 2018 · 1 comment
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@martynd
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@martynd martynd commented Mar 1, 2018

Issue Report

Bug

Beta release has a kernel issue resulting in socket deadlocks requiring a hard reboot of machines

Container Linux Version

NAME="Container Linux by CoreOS"
ID=coreos
VERSION=1688.1.1
VERSION_ID=1688.1.1
BUILD_ID=2018-02-28-0132
PRETTY_NAME="Container Linux by CoreOS 1688.1.1 (Rhyolite)"
ANSI_COLOR="38;5;75"
HOME_URL="https://coreos.com/"
BUG_REPORT_URL="https://issues.coreos.com"
COREOS_BOARD="amd64-usr"

Environment

Bare metal setup, nothing out of the ordinary

Expected Behavior

Socket usage not causing deadlocks after certain netfilter actions take place

Actual Behavior

Socket usage causes deadlocks due to netfilter activity. Machines need to be force rebooted

Reproduction Steps

Issue present in kernel 4.15.6 and 4.14.22

Other Information

Upstream fix
torvalds/linux@d7ef969

Similar reports:
https://bugs.archlinux.org/task/57651?project=1
https://bugs.archlinux.org/task/57684?project=1

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