diff mbox series

[RESEND,RFC,v2,12/14] bpf: Add flag BPF_DEVCG_ACC_MKNOD_UNS for device access

Message ID 20231025094224.72858-13-michael.weiss@aisec.fraunhofer.de (mailing list archive)
State RFC
Delegated to: BPF
Headers show
Series device_cgroup: guard mknod for non-initial user namespace | expand

Checks

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netdev/series_format success Posting correctly formatted
netdev/tree_selection success Guessed tree name to be net-next, async
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 3108 this patch: 3108
netdev/cc_maintainers warning 1 maintainers not CCed: yonghong.song@linux.dev
netdev/build_clang success Errors and warnings before: 1543 this patch: 1543
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 3196 this patch: 3196
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 7 lines checked
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netdev/source_inline success Was 0 now: 0

Commit Message

Michael Weiß Oct. 25, 2023, 9:42 a.m. UTC 
With this new flag for bpf cgroup device programs, it should be
possible to guard mknod() access in non-initial user namespaces
later on.

Signed-off-by: Michael Weiß <michael.weiss@aisec.fraunhofer.de>
---
 include/uapi/linux/bpf.h | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 0448700890f7..0196b9c72d3e 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -6927,6 +6927,7 @@  enum {
 	BPF_DEVCG_ACC_MKNOD	= (1ULL << 0),
 	BPF_DEVCG_ACC_READ	= (1ULL << 1),
 	BPF_DEVCG_ACC_WRITE	= (1ULL << 2),
+	BPF_DEVCG_ACC_MKNOD_UNS	= (1ULL << 3),
 };
 
 enum {