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Fix CVE-2018-7738:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7738
Patch copied from upstream source repository:
https://github.com/karelzak/util-linux/commit/75f03badd7ed9f1dd951863d75e756883d3acc55
From 75f03badd7ed9f1dd951863d75e756883d3acc55 Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Thu, 16 Nov 2017 16:27:32 +0100
Subject: [PATCH] bash-completion: (umount) use findmnt, escape a space in
paths
# mount /dev/sdc1 /mnt/test/foo\ bar
# umount <tab>
has to return "/mnt/test/foo\ bar".
Changes:
* don't use mount | awk output, we have findmnt
* force compgen use \n as entries separator
Addresses: https://github.com/karelzak/util-linux/issues/539
Signed-off-by: Karel Zak <kzak@redhat.com>
---
bash-completion/umount | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/bash-completion/umount b/bash-completion/umount
index d76cb9fff..98c90d61a 100644
--- a/bash-completion/umount
+++ b/bash-completion/umount
@@ -40,9 +40,10 @@ _umount_module()
return 0
;;
esac
- local DEVS_MPOINTS
- DEVS_MPOINTS="$(mount | awk '{print $1, $3}')"
- COMPREPLY=( $(compgen -W "$DEVS_MPOINTS" -- $cur) )
- return 0
+
+ local oldifs=$IFS
+ IFS=$'\n'
+ COMPREPLY=( $( compgen -W '$(findmnt -lno TARGET | sed "s/\([[:blank:]]\)/\\\\\1/g")' -- "$cur" ) )
+ IFS=$oldifs
}
complete -F _umount_module umount
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