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UPSTREAM: selinux: enable genfscon labeling for tracefs

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In kernel version 4.1, tracefs was separated from debugfs into its
own filesystem. Prior to this split, files in
/sys/kernel/debug/tracing could be labeled during filesystem
creation using genfscon or later from userspace using setxattr. This
change re-enables support for genfscon labeling.

Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <paul@paul-moore.com>
(cherry picked from commit 6a3911837d)
Change-Id: I98ad8c829302346705c1abcdc8f019f479fdefb6
Bug: 62413700
This commit is contained in:
Jeff Vander Stoep
2017-06-20 09:35:33 -07:00
committed by Jeffrey Vander Stoep
parent 75d78c7eda
commit 8bdee6783c
1 changed files with 1 additions and 0 deletions
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security/selinux/hooks.c
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@@ -814,6 +814,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
sbsec->flags |= SE_SBPROC | SE_SBGENFS;
if (!strcmp(sb->s_type->name, "debugfs") ||
!strcmp(sb->s_type->name, "tracefs") ||
!strcmp(sb->s_type->name, "sysfs") ||
!strcmp(sb->s_type->name, "pstore"))
sbsec->flags |= SE_SBGENFS;