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security: selinux: allow per-file labeling for bpffs 

Add support for genfscon per-file labeling of bpffs files. This allows
for separate permissions for different pinned bpf objects, which may
be completely unrelated to each other.

Signed-off-by: Connor O'Brien <connoro@google.com>
Signed-off-by: Steven Moreland <smoreland@google.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Connor O'Brien 2020-02-07 10:01:49 -08:00 committed by Paul Moore
parent 89d4d7c88d
commit 4ca54d3d30
1 changed files with 1 additions and 0 deletions
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security/selinux/hooks.c
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@ -702,6 +702,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
if (!strcmp(sb->s_type->name, "debugfs") ||
!strcmp(sb->s_type->name, "tracefs") ||
!strcmp(sb->s_type->name, "binderfs") ||
!strcmp(sb->s_type->name, "bpf") ||
!strcmp(sb->s_type->name, "pstore"))
sbsec->flags |= SE_SBGENFS;