diff options
| author | Fushuai Wang <wangfushuai@baidu.com> | 2025-06-12 16:42:08 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-15 12:13:39 +0200 |
| commit | 274bf55fcd3fdac52f80d20f8695f3ced5483fb6 (patch) | |
| tree | 516a5b21b79c9dfe15f3fb5e227799fbf622ad3d /tools/bpf/bpftool/net.c | |
| parent | ee03766d79de0f61ea29ffb6ab1c7b196ea1b02e (diff) | |
selftests/bpf: fix signedness bug in redir_partial()
[ Upstream commit 6a4bd31f680a1d1cf06492fe6dc4f08da09769e6 ]
When xsend() returns -1 (error), the check 'n < sizeof(buf)' incorrectly
treats it as success due to unsigned promotion. Explicitly check for -1
first.
Fixes: a4b7193d8efd ("selftests/bpf: Add sockmap test for redirecting partial skb data")
Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Link: https://lore.kernel.org/r/20250612084208.27722-1-wangfushuai@baidu.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools/bpf/bpftool/net.c')
0 files changed, 0 insertions, 0 deletions