security-misc/usr/libexec/security-misc/panic-on-oops
Patrick Schleizer 5898a6457a
typo
2025-08-21 06:45:04 -04:00

30 lines
1.2 KiB
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Executable file

#!/bin/bash
## Copyright (C) 2019 - 2025 ENCRYPTED SUPPORT LLC <adrelanos@whonix.org>
## See the file COPYING for copying conditions.
set -e
if [ -f /usr/libexec/helper-scripts/pre.bsh ]; then
## pre.bsh would `source` the following folders:
## /etc/panic-on-oops_pre.d/*.conf
## /usr/local/etc/panic-on-oops_pre.d/*.conf
source /usr/libexec/helper-scripts/pre.bsh
fi
## Makes the kernel immediately panic on both oopses and warnings.
## These settings force a full system crash rather than continuing
## to run after an inconsistent state is triggered by a potentially
## flawed processes. The reasons for the errors could be kernel
## exploit attempts but may also simply be general software bugs.
##
## https://docs.kernel.org/admin-guide/sysctl/kernel.html#oops-limit
sysctl kernel.oops_limit=1
## https://docs.kernel.org/admin-guide/sysctl/kernel.html#warn-limit
sysctl kernel.warn_limit=1
## Makes the system immediately reboot on the occurrence of a single
## kernel panic. This reduces the risk and impact of denial of
## service attacks and both cold and warm boot attacks.
## https://docs.kernel.org/admin-guide/sysctl/kernel.html#panic
sysctl kernel.panic=-1