* [PATCH v2] security: selinux: allow per-file labeling for bpffs
@ 2020-02-06 21:14 Steven Moreland
2020-02-07 15:49 ` Stephen Smalley
0 siblings, 1 reply; 2+ messages in thread
From: Steven Moreland @ 2020-02-06 21:14 UTC (permalink / raw)
To: paul, sds, eparis, keescook, anton, ccross, tony.luck, selinux,
linux-kernel, kernel-team
Cc: Connor O'Brien, Steven Moreland
From: Connor O'Brien <connoro@google.com>
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>
---
security/selinux/hooks.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 116b4d644f68..d7b11188dc8d 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -750,7 +750,8 @@ static int selinux_set_mnt_opts(struct super_block *sb,
if (strcmp(sb->s_type->name, "proc") == 0)
sbsec->flags |= SE_SBPROC | SE_SBGENFS;
- if (!strcmp(sb->s_type->name, "debugfs") ||
+ if (!strcmp(sb->s_type->name, "bpf") ||
+ !strcmp(sb->s_type->name, "debugfs") ||
!strcmp(sb->s_type->name, "tracefs") ||
!strcmp(sb->s_type->name, "pstore"))
sbsec->flags |= SE_SBGENFS;
--
2.25.0.341.g760bfbb309-goog
v1 -> v2
- Rebased to be on upstream selinux tree
- Removed Android specific 'Change-Id'
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] security: selinux: allow per-file labeling for bpffs
2020-02-06 21:14 [PATCH v2] security: selinux: allow per-file labeling for bpffs Steven Moreland
@ 2020-02-07 15:49 ` Stephen Smalley
0 siblings, 0 replies; 2+ messages in thread
From: Stephen Smalley @ 2020-02-07 15:49 UTC (permalink / raw)
To: Steven Moreland, paul, eparis, keescook, anton, ccross,
tony.luck, selinux, linux-kernel, kernel-team
Cc: Connor O'Brien
On 2/6/20 4:14 PM, Steven Moreland wrote:
> From: Connor O'Brien <connoro@google.com>
>
> 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>
Is this relative to the next branch of the selinux git tree?
Doesn't apply for me.
> ---
> security/selinux/hooks.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
> index 116b4d644f68..d7b11188dc8d 100644
> --- a/security/selinux/hooks.c
> +++ b/security/selinux/hooks.c
> @@ -750,7 +750,8 @@ static int selinux_set_mnt_opts(struct super_block *sb,
> if (strcmp(sb->s_type->name, "proc") == 0)
> sbsec->flags |= SE_SBPROC | SE_SBGENFS;
>
> - if (!strcmp(sb->s_type->name, "debugfs") ||
> + if (!strcmp(sb->s_type->name, "bpf") ||
> + !strcmp(sb->s_type->name, "debugfs") ||
> !strcmp(sb->s_type->name, "tracefs") ||
> !strcmp(sb->s_type->name, "pstore"))
> sbsec->flags |= SE_SBGENFS;
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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