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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 <[email protected]>
Acked-by: Stephen Smalley <[email protected]>
Signed-off-by: Paul Moore <[email protected]>
This commit is contained in:
Jeff Vander Stoep 2017-06-20 09:35:33 -07:00 • committed by Paul Moore
commit 6a3911837d
1 changed files with 1 additions and 0 deletions
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1
security/selinux/hooks.c
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@ -813,6 +813,7 @@ 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;