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| author | Pierre-Clément Tosi <ptosi@google.com> | 2022-09-26 09:33:49 +0000 |
|---|---|---|
| committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2022-09-26 09:33:49 +0000 |
| commit | 13d00fad64773163e937995ad6f5ec0db7d5e105 (patch) | |
| tree | dcd15991ced4f7d4f29fae62d9a9281bd1af4d24 | |
| parent | aa22bcd1bcb8c1b361298f0deeb9ebd5907930ad (diff) | |
| parent | e0440b09079afacb3101f5140560f719d438dadc (diff) | |
| download | dtc-13d00fad64773163e937995ad6f5ec0db7d5e105.tar.gz | |
libfdt: fdt_path_offset_namelen: Reject empty paths am: d10c84c4bc am: 9f4834b735 am: e0440b0907
Original change: https://googleplex-android-review.googlesource.com/c/platform/external/dtc/+/20024811
Change-Id: I93019a1667a5f399d1619cf05997960ebafcd0e9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
| -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 08de2cc..3b65f16 100644 --- a/libfdt/fdt_ro.c +++ b/libfdt/fdt_ro.c @@ -188,6 +188,9 @@ int fdt_path_offset_namelen(const void *fdt, const char *path, int namelen) FDT_CHECK_HEADER(fdt); + if (namelen < 1) + return -FDT_ERR_BADPATH; + /* see if we have an alias */ if (*path != '/') { const char *q = memchr(path, '/', end - p); |