This patch adds the -Wformat-signedness compiler flag to detect and prevent format string errors, where signed or unsigned types are mismatched with format specifiers. Additionally, it fixes some format string errors that were not fully addressed by the previous patch [1]. [1] https://lore.kernel.org/bpf/20250207123706.727928-1-mrpre@xxxxxxx/T/#u --- v1->v2: https://lore.kernel.org/bpf/20250310142037.45932-1-jiayuan.chen@xxxxxxxxx/ --- Jiayuan Chen (2): bpftool: Add -Wformat-signedness flag to detect format errors bpftool: Using the right format specifiers kernel/bpf/disasm.c | 4 ++-- tools/bpf/bpftool/Makefile | 7 ++++++- tools/bpf/bpftool/btf.c | 14 +++++++------- tools/bpf/bpftool/btf_dumper.c | 2 +- tools/bpf/bpftool/cgroup.c | 2 +- tools/bpf/bpftool/common.c | 4 ++-- tools/bpf/bpftool/jit_disasm.c | 3 ++- tools/bpf/bpftool/map_perf_ring.c | 6 +++--- tools/bpf/bpftool/net.c | 4 ++-- tools/bpf/bpftool/netlink_dumper.c | 6 +++--- tools/bpf/bpftool/prog.c | 12 ++++++------ tools/bpf/bpftool/tracelog.c | 2 +- tools/bpf/bpftool/xlated_dumper.c | 6 +++--- 13 files changed, 39 insertions(+), 33 deletions(-) -- 2.47.1
