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| author | Ian Lance Taylor <iant@golang.org> | 2025-02-10 15:03:31 -0800 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2025-02-10 15:03:31 -0800 |
| commit | d5c72da62d29cfa0fff532c66f28670c2dfcd75e (patch) | |
| tree | f58736db2c73042993bd7260bba2aff6035a716b | |
| parent | d2ff1b78d70731db1b7adc1cbac7e44688828370 (diff) | |
| download | gcc-d5c72da62d29cfa0fff532c66f28670c2dfcd75e.zip gcc-d5c72da62d29cfa0fff532c66f28670c2dfcd75e.tar.gz gcc-d5c72da62d29cfa0fff532c66f28670c2dfcd75e.tar.bz2 | |
libbacktrace: add cast to avoid undefined shift
Patch from pgerell@github.
* elf.c (elf_uncompress_lzma_block): Add casts to avoid
potentially shifting a value farther than its type size.
| -rw-r--r-- | libbacktrace/elf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libbacktrace/elf.c b/libbacktrace/elf.c index d766fa4..868d0e1 100644 --- a/libbacktrace/elf.c +++ b/libbacktrace/elf.c @@ -5878,7 +5878,7 @@ elf_uncompress_lzma_block (const unsigned char *compressed, /* The byte at compressed[off] is ignored for some reason. */ - code = ((uint32_t)(compressed[off + 1] << 24) + code = (((uint32_t)compressed[off + 1] << 24) + ((uint32_t)compressed[off + 2] << 16) + ((uint32_t)compressed[off + 3] << 8) + (uint32_t)compressed[off + 4]); |