| commit | 1336c662474edec3966c96c8de026f794d16b804 | [log] [tgz] |
|---|---|---|
| author | Alexei Starovoitov <ast@kernel.org> | Thu Feb 11 19:35:00 2021 -0800 |
| committer | Alexei Starovoitov <ast@kernel.org> | Thu Feb 11 19:35:00 2021 -0800 |
| tree | d891b4d525f53a144fe35653153ba84127435b0c | |
| parent | 6fdd671baaf587cca17603485f9ef4bf7a1f9be1 [diff] |
bpf: Clear per_cpu pointers during bpf_prog_realloc
bpf_prog_realloc copies contents of struct bpf_prog.
The pointers have to be cleared before freeing old struct.
Reported-by: Ilya Leoshkevich <iii@linux.ibm.com>
Fixes: 700d4796ef59 ("bpf: Optimize program stats")
Fixes: ca06f55b9002 ("bpf: Add per-program recursion prevention mechanism")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>