raspi/linux
1
0
Fork 1
mirror of https://github.com/raspberrypi/linux.git synced 2025-12-06 10:00:17 +00:00
Code Issues Projects Releases Wiki Activity

tools, bpftool: Fix memory leak in codegen error cases

Browse Source 
[ Upstream commit d4060ac969 ]

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
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Tobias Klauser
2020-06-10 15:08:04 +02:00
committed by Greg Kroah-Hartman
parent 8e337f731d
commit 2c207411b8
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
tools/bpf/bpftool/gen.c
View File

@@ -225,6 +225,7 @@ static int codegen(const char *template, ...)
} else { } else {
p_err("unrecognized character at pos %td in template '%s'", p_err("unrecognized character at pos %td in template '%s'",
src - template - 1, template); src - template - 1, template);
free(s);
return -EINVAL; return -EINVAL;
} }
} }
@@ -235,6 +236,7 @@ static int codegen(const char *template, ...)
if (*src != '\t') { if (*src != '\t') {
p_err("not enough tabs at pos %td in template '%s'", p_err("not enough tabs at pos %td in template '%s'",
src - template - 1, template); src - template - 1, template);
free(s);
return -EINVAL; return -EINVAL;
} }
} }