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| author | Pierre-Clément Tosi <ptosi@google.com> | 2022-09-23 08:10:15 +0000 |
|---|---|---|
| committer | Presubmit Automerger Backend <android-build-presubmit-automerger-backend@system.gserviceaccount.com> | 2022-09-23 08:10:15 +0000 |
| commit | 5b78ca841071fee81479036462e7e048fefacb26 (patch) | |
| tree | 05e348ff5e6d0c5be3ce3af495d501eee0a0ef56 | |
| parent | df489c8f432796a2540f9ba8a69973ce7463644c (diff) | |
| parent | c69e9730e658eda4f30f910c49cc073e89238e2f (diff) | |
| download | dtc-5b78ca841071fee81479036462e7e048fefacb26.tar.gz | |
[automerge] libfdt: fdt_path_offset_namelen: Reject empty paths 2p: a6ac6d916d 2p: c69e9730e6
Original change: https://googleplex-android-review.googlesource.com/c/platform/external/dtc/+/20024810
Bug: 246465319
Change-Id: I9096ca5ab6c194d2512e3c902a9658c33a40ff0c
| -rw-r--r-- | libfdt/fdt_ro.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libfdt/fdt_ro.c b/libfdt/fdt_ro.c index e03570a..7a65dfe 100644 --- a/libfdt/fdt_ro.c +++ b/libfdt/fdt_ro.c @@ -253,6 +253,9 @@ int fdt_path_offset_namelen(const void *fdt, const char *path, int namelen) FDT_RO_PROBE(fdt); + if (namelen < 1) + return -FDT_ERR_BADPATH; + /* see if we have an alias */ if (*path != '/') { const char *q = memchr(path, '/', end - p); |