Re: [PATCH stable 6.12 3/8] selftests/bpf: test for changing packet data from global functions

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

✅ All tests passed successfully. No issues detected.
No action required from the submitter.

The upstream commit SHA1 provided is correct: 3f23ee5590d9605dbde9a5e1d4b97637a4803329

WARNING: Author mismatch between patch and upstream commit:
Backport author: Shung-Hsi Yu<shung-hsi.yu@suse.com>
Commit author: Eduard Zingerman<eddyz87@gmail.com>

Status in newer kernel trees:
6.14.y | Present (exact SHA1)

Note: The patch differs from the upstream commit:
---
1:  3f23ee5590d96 ! 1:  8dbc5d4ccc8a2 selftests/bpf: test for changing packet data from global functions
    @@ Metadata
      ## Commit message ##
         selftests/bpf: test for changing packet data from global functions
     
    +    commit 3f23ee5590d9605dbde9a5e1d4b97637a4803329 upstream.
    +
         Check if verifier is aware of packet pointers invalidation done in
         global functions. Based on a test shared by Nick Zavaritsky in [0].
     
    @@ Commit message
         Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
         Link: https://lore.kernel.org/r/20241210041100.1898468-5-eddyz87@gmail.com
         Signed-off-by: Alexei Starovoitov <ast@kernel.org>
    +    Signed-off-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
     
      ## tools/testing/selftests/bpf/progs/verifier_sock.c ##
    -@@ tools/testing/selftests/bpf/progs/verifier_sock.c: __naked void sock_create_read_src_port(void)
    +@@ tools/testing/selftests/bpf/progs/verifier_sock.c: l1_%=:	r0 = *(u8*)(r7 + 0);				\
      	: __clobber_all);
      }
      
---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-6.14.y       |  Success    |  Success   |