Patrick Schleizer
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a7f2a2a3b6
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console lockdown: allow members of group sudo to use console
https://forums.whonix.org/t/etc-security-hardening/8592
https://github.com/Whonix/security-misc/pull/74#issuecomment-607748407
https://www.whonix.org/wiki/Dev/Strong_Linux_User_Account_Isolation#Console_Lockdown
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2020-04-02 06:04:45 -04:00 |
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Patrick Schleizer
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7764ee0d20
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comments
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2020-04-02 05:58:16 -04:00 |
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Patrick Schleizer
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2ceea8d1fe
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update copyright year
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2020-04-01 08:49:59 -04:00 |
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Patrick Schleizer
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814f613a2f
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When using systemd-nspawn (chroot) then login requires console 'console' to be permitted.
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2020-03-31 07:08:25 -04:00 |
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Patrick Schleizer
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5f0dd8270b
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consistent use of quotes
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2020-03-21 14:14:35 -04:00 |
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Patrick Schleizer
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66ea1a3a12
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minor
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2020-03-21 14:14:15 -04:00 |
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Patrick Schleizer
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23bd7ead59
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remove trailing space
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2020-03-21 14:12:42 -04:00 |
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madaidan
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89ada11cf9
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Only remount if already mounted read-only
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2020-03-21 17:49:07 +00:00 |
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madaidan
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c8826d6702
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Fix sysctl-initramfs logs
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2020-03-21 17:15:25 +00:00 |
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madaidan
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4d0de87f79
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Disable unprivileged userfaultfd use again
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2020-03-08 17:49:49 +00:00 |
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madaidan
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efb2683cfc
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Hide unprivileged_userfaultfd error
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2020-03-08 17:49:12 +00:00 |
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Patrick Schleizer
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284a491100
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disable vm.unprivileged_userfaultfd=0 for now
because broken
https://forums.whonix.org/t/kernel-hardening/7296/406
reverts "Restrict the userfaultfd() syscall to root as it can make heap sprays easier."
https://duasynt.com/blog/linux-kernel-heap-spray
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2020-03-08 08:07:10 -04:00 |
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madaidan
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6b64b36b01
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Restrict the userfaultfd() syscall to root
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2020-02-24 18:23:15 +00:00 |
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madaidan
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f6b6ab374e
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Gather more entropy during boot
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2020-02-16 19:51:32 +00:00 |
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madaidan
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a79ce7fa68
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Document ldisc_autoload better
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2020-02-15 17:30:21 +00:00 |
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Patrick Schleizer
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1e5946c795
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Merge branch 'master' into sysrq
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2020-02-15 10:41:52 +00:00 |
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Patrick Schleizer
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5124f8cebc
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Merge pull request #61 from madaidan/disable_early_pci_dma
Avoid holes in IOMMU
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2020-02-15 10:18:56 +00:00 |
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madaidan
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9b767139ef
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Avoid holes in IOMMU
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2020-02-14 18:52:01 +00:00 |
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madaidan
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d251c43344
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Restrict the SysRq key
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2020-02-14 18:17:20 +00:00 |
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madaidan
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0ea7dd161b
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Restrict loading line disciplines to CAP_SYS_MODULE
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2020-02-14 17:50:19 +00:00 |
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Patrick Schleizer
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ad6b766886
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Merge pull request #57 from madaidan/sysctl
Prevent symlink/hardlink TOCTOU races
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2020-02-13 18:40:58 +00:00 |
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madaidan
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700c7ed908
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Create 40_cpu_mitigations.cfg
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2020-02-12 18:42:13 +00:00 |
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madaidan
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ba0043b8a7
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Update 40_kernel_hardening.cfg
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2020-02-12 18:36:05 +00:00 |
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madaidan
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5cb21d0d4d
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Prevent symlink/hardlink TOCTOU races
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2020-02-12 18:03:23 +00:00 |
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HulaHoop0
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e4c6e897cf
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kvm.nx_huge_pages=force
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2020-02-03 16:06:46 +00:00 |
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Patrick Schleizer
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85d2aa1365
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hide stdout (but not stderr) by sysctl during initramfs
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2020-01-30 06:13:42 -05:00 |
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Patrick Schleizer
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b9d65338bc
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unconditionally enable all CPU bugs (spectre, meltdown, L1TF, ...)
this might reduce performance
* `spectre_v2=on`
* `spec_store_bypass_disable=on`
* `tsx=off`
* `tsx_async_abort=full,nosmt`
Thanks to @madaidan for the suggestion!
https://forums.whonix.org/t/should-all-kernel-patches-for-cpu-bugs-be-unconditionally-enabled-vs-performance-vs-applicability/7647
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2020-01-30 05:55:13 -05:00 |
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Patrick Schleizer
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c1a0da60be
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set kernel boot parameter l1tf=full,force and nosmt=force
https://forums.whonix.org/t/should-all-kernel-patches-for-cpu-bugs-be-unconditionally-enabled-vs-performance-vs-applicability/7647/17
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2020-01-30 00:46:48 -05:00 |
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Patrick Schleizer
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a37da1c968
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add digits to drop-in file names
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2020-01-24 04:39:06 -05:00 |
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Patrick Schleizer
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e0aa67677d
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merge the many modprobe.d config files into 1
and use a name starting with double digits
to make it easier to disable settings using a lexically higher config file
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2020-01-24 04:30:36 -05:00 |
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Patrick Schleizer
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6a4c493213
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merge the many sysctl config files into 1
and use a name starting with double digits
to make it easier to disable settings using a lexically higher config file
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2020-01-24 04:26:36 -05:00 |
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Patrick Schleizer
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6f8d89c6c5
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error handling
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2020-01-15 15:54:06 -05:00 |
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madaidan
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f7fde60b67
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Process sysctl.conf too
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2020-01-15 20:28:32 +00:00 |
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Patrick Schleizer
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528c5fc4c4
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Merge branch 'master' into sysctl-initramfs
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2020-01-15 11:02:03 +00:00 |
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Patrick Schleizer
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80159545a5
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fix xfce4-power-manager xfpm-power-backlight-helper pkexec lxsudo popup
https://forums.whonix.org/t/xfce4-power-manager-xfpm-power-backlight-helper-pkexec-lxsudo-popup/8764
do show lxqt-sudo password prompt if there is a sudoers exceptoin
improved pkexec wrapper logging
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2020-01-15 02:42:10 -05:00 |
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madaidan
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8c4e0ff1c4
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Set sysctl values in initramfs
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2020-01-12 21:37:37 +00:00 |
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madaidan
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a662a76a52
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Blacklist vivid
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2020-01-11 18:37:00 +00:00 |
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Patrick Schleizer
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f3ff32ddbb
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Protect /bin/mount from 'chmod -x'.
/bin/mount exactwhitelist
/usr/bin/mount exactwhitelist
Remove SUID from 'mount' but keep executable.
/bin/mount 745 root root
/usr/bin/mount 745 root root
https://forums.whonix.org/t/disable-suid-binaries/7706/61
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2019-12-30 06:39:24 -05:00 |
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Patrick Schleizer
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e5623fcd2b
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comment
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2019-12-29 04:21:52 -05:00 |
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Patrick Schleizer
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674840e6f9
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/fusermount matchwhitelist
unbreak AppImages such as electrum Bitcoin wallet
https://forums.whonix.org/t/disable-suid-binaries/7706/57
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2019-12-26 05:44:35 -05:00 |
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Patrick Schleizer
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ede536913d
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no longer hardcode amd64
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2019-12-24 06:00:41 -05:00 |
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Patrick Schleizer
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27a42a9da8
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Merge pull request #50 from madaidan/modules
Make /lib/modules unreadable
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2019-12-24 10:55:11 +00:00 |
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Patrick Schleizer
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ac49c55d1f
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Merge pull request #49 from madaidan/kver
Detect kernel upgrades
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2019-12-24 10:55:03 +00:00 |
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madaidan
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79241c5d09
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Make /lib/modules unreadable
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2019-12-23 20:28:29 +00:00 |
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madaidan
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98e88d1456
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Detect kernel upgrades
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2019-12-23 19:57:43 +00:00 |
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madaidan
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d1a0650fd9
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Use only one slub_debug parameter
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2019-12-23 19:44:52 +00:00 |
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Patrick Schleizer
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9d77d88a4d
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comments
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2019-12-23 09:39:50 -05:00 |
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Patrick Schleizer
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3e131174d5
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comments
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2019-12-23 05:00:35 -05:00 |
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Patrick Schleizer
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9f072ce4f9
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comment
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2019-12-23 03:46:02 -05:00 |
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Patrick Schleizer
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26fe9394ff
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disable lockdown for now due to module loading
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2019-12-23 03:41:54 -05:00 |
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