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| author | Andrii Nakryiko <andrii@kernel.org> | 2022-04-08 02:04:45 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2022-04-08 19:16:09 +0300 |
| commit | 3c0dfe6e4c43ea0cf252ff4cb7a332423866d488 (patch) | |
| tree | 2fbe8d301b1b00aae314aa2fa51acdd02ffb100d /tools/lib/bpf/usdt.c | |
| parent | 700a6ef1fa6096b2782c03a6be41af0f88afad1d (diff) | |
| download | linux-3c0dfe6e4c43ea0cf252ff4cb7a332423866d488.tar.xz | |
libbpf: Use strlcpy() in path resolution fallback logic
Coverity static analyzer complains that strcpy() can cause buffer
overflow. Use libbpf_strlcpy() instead to be 100% sure this doesn't
happen.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220407230446.3980075-1-andrii@kernel.org
Diffstat (limited to 'tools/lib/bpf/usdt.c')
| -rw-r--r-- | tools/lib/bpf/usdt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/lib/bpf/usdt.c b/tools/lib/bpf/usdt.c index 30c495a6554c..acf2d99a9e77 100644 --- a/tools/lib/bpf/usdt.c +++ b/tools/lib/bpf/usdt.c @@ -456,7 +456,7 @@ static int parse_lib_segs(int pid, const char *lib_path, struct elf_seg **segs, if (!realpath(lib_path, path)) { pr_warn("usdt: failed to get absolute path of '%s' (err %d), using path as is...\n", lib_path, -errno); - strcpy(path, lib_path); + libbpf_strlcpy(path, lib_path, sizeof(path)); } proceed: |