This is a note to let you know that I've just added the patch titled
bpftool: Fix wrong free call in do_show_link
to the 6.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
bpftool-fix-wrong-free-call-in-do_show_link.patch
and it can be found in the queue-6.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 0f1f19ea08865b922b21784e11410cb2126a25b9
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
Date: Fri Jan 19 12:05:00 2024 +0100
bpftool: Fix wrong free call in do_show_link
[ Upstream commit 2adb2e0fcdf3c6d8e28a5a9c33e458e1037ae5ad ]
The error path frees wrong array, it should be ref_ctr_offsets.
Acked-by: Yafang Shao <laoar.shao@xxxxxxxxx>
Reviewed-by: Quentin Monnet <quentin@xxxxxxxxxxxxx>
Fixes: a7795698f8b6 ("bpftool: Add support to display uprobe_multi links")
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Acked-by: Song Liu <song@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20240119110505.400573-4-jolsa@xxxxxxxxxx
Signed-off-by: Alexei Starovoitov <ast@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/tools/bpf/bpftool/link.c b/tools/bpf/bpftool/link.c
index cb46667a6b2e7..35b6859dd7c3d 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;
