diff mbox series

[PATCHv2,bpf-next,3/8] bpftool: Fix wrong free call in do_show_link

Message ID 20240119110505.400573-4-jolsa@kernel.org (mailing list archive)
State Accepted
Commit 2adb2e0fcdf3c6d8e28a5a9c33e458e1037ae5ad
Delegated to: BPF
Headers show
Series bpf: Add cookies retrieval for perf/kprobe multi links | expand

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netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
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Commit Message

Jiri Olsa Jan. 19, 2024, 11:05 a.m. UTC 
The error path frees wrong array, it should be ref_ctr_offsets.

Acked-by: Yafang Shao <laoar.shao@gmail.com>
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Fixes: a7795698f8b6 ("bpftool: Add support to display uprobe_multi links")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 tools/bpf/bpftool/link.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Song Liu Jan. 19, 2024, 11:33 p.m. UTC | #1 
On Fri, Jan 19, 2024 at 3:05 AM Jiri Olsa <jolsa@kernel.org> wrote:
>
> The error path frees wrong array, it should be ref_ctr_offsets.
>
> Acked-by: Yafang Shao <laoar.shao@gmail.com>
> Reviewed-by: Quentin Monnet <quentin@isovalent.com>
> Fixes: a7795698f8b6 ("bpftool: Add support to display uprobe_multi links")
> Signed-off-by: Jiri Olsa <jolsa@kernel.org>

Acked-by: Song Liu <song@kernel.org>
diff mbox series

Patch

diff --git a/tools/bpf/bpftool/link.c b/tools/bpf/bpftool/link.c
index cb46667a6b2e..35b6859dd7c3 100644
--- a/tools/bpf/bpftool/link.c
+++ b/tools/bpf/bpftool/link.c
@@ -977,7 +977,7 @@  static int do_show_link(int fd)
 			cookies = calloc(count, sizeof(__u64));
 			if (!cookies) {
 				p_err("mem alloc failed");
-				free(cookies);
+				free(ref_ctr_offsets);
 				free(offsets);
 				close(fd);
 				return -ENOMEM;