From: Tobias Klauser <tklauser@xxxxxxxxxx>
[ Upstream commit d444b06e40855219ef38b5e9286db16d435f06dc ]
Fix and add a missing NULL check for the prior malloc() call.
Fixes: 49a086c201a9 ("bpftool: implement prog load command")
Signed-off-by: Tobias Klauser <tklauser@xxxxxxxxxx>
Signed-off-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Reviewed-by: Quentin Monnet <quentin@xxxxxxxxxxxxx>
Acked-by: Roman Gushchin <guro@xxxxxx>
Link: https://lore.kernel.org/bpf/20210715110609.29364-1-tklauser@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
tools/bpf/bpftool/common.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c
index 65303664417e..6ebf2b215ef4 100644
--- a/tools/bpf/bpftool/common.c
+++ b/tools/bpf/bpftool/common.c
@@ -221,6 +221,11 @@ int mount_bpffs_for_pin(const char *name)
int err = 0;
file = malloc(strlen(name) + 1);
+ if (!file) {
+ p_err("mem alloc failed");
+ return -1;
+ }
+
strcpy(file, name);
dir = dirname(file);
--
2.30.2
