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| author | Xie Xiaobo <xiaobo.xie@nxp.com> | 2017-12-12 08:12:33 (GMT) |
|---|---|---|
| committer | Xie Xiaobo <xiaobo.xie@nxp.com> | 2017-12-12 08:12:33 (GMT) |
| commit | c0246a9ec4d461ef4dd7647f94005380bb9e7f0b (patch) | |
| tree | 7588601aa6ce98f5e9fd083a1b351d9023c0b295 /tools/perf/util/symbol-elf.c | |
| parent | 50fd1a6d79d48a7c35890aecce5a5d6b872a461d (diff) | |
| parent | 56f4a560c6d6318b5a8e18a1b3e44909a5158d1e (diff) | |
| download | linux-c0246a9ec4d461ef4dd7647f94005380bb9e7f0b.tar.xz | |
Merge Linaro linux 4.9.62 into linux-4.9
Signed-off-by: Xiaobo Xie <xiaobo.xie@nxp.com>
Diffstat (limited to 'tools/perf/util/symbol-elf.c')
| -rw-r--r-- | tools/perf/util/symbol-elf.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 99400b0..adbc6c0 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -537,6 +537,12 @@ int sysfs__read_build_id(const char *filename, void *build_id, size_t size) break; } else { int n = namesz + descsz; + + if (n > (int)sizeof(bf)) { + n = sizeof(bf); + pr_debug("%s: truncating reading of build id in sysfs file %s: n_namesz=%u, n_descsz=%u.\n", + __func__, filename, nhdr.n_namesz, nhdr.n_descsz); + } if (read(fd, bf, n) != n) break; } |