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| author | Tobias Klauser <tklauser@distanz.ch> | 2020-06-10 15:08:04 +0200 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2020-06-11 16:08:48 +0200 |
| commit | d4060ac969563113101c79433f2ae005feca1c29 (patch) | |
| tree | c8daf92bdcf0d938dc3d3582c5116552315af6af | |
| parent | bd6fecb9a99cceb949271c1821cfbad2b2db97c6 (diff) | |
| download | linux-stable-d4060ac969563113101c79433f2ae005feca1c29.tar.gz linux-stable-d4060ac969563113101c79433f2ae005feca1c29.tar.bz2 linux-stable-d4060ac969563113101c79433f2ae005feca1c29.zip | |
tools, bpftool: Fix memory leak in codegen error cases
Free the memory allocated for the template on error paths in function
codegen.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200610130804.21423-1-tklauser@distanz.ch
| -rw-r--r-- | tools/bpf/bpftool/gen.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c index a3c4bb86c05a..ecbae47e66b8 100644 --- a/tools/bpf/bpftool/gen.c +++ b/tools/bpf/bpftool/gen.c @@ -224,6 +224,7 @@ static int codegen(const char *template, ...) } else { p_err("unrecognized character at pos %td in template '%s'", src - template - 1, template); + free(s); return -EINVAL; } } @@ -234,6 +235,7 @@ static int codegen(const char *template, ...) if (*src != '\t') { p_err("not enough tabs at pos %td in template '%s'", src - template - 1, template); + free(s); return -EINVAL; } } |