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| author | Rostislav Skudnov <rostislav@tuxera.com> | 2017-02-01 18:35:13 +0000 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2017-02-04 23:10:22 +0100 |
| commit | 8762512fdb088acefb9f3ea5f7b1e1bf2d336ff3 (patch) | |
| tree | 309e04746b4bcb6f2ad645b29f7fcecfbff339e5 /archival/libarchive | |
| parent | c31b54fd81690b3df3898437f5865674d06e6577 (diff) | |
| download | busybox-8762512fdb088acefb9f3ea5f7b1e1bf2d336ff3.tar.gz | |
Replace int -> uint to avoid signed integer overflow
An example of such an error (should be compiled with DEBUG_SANITIZE):
runtime error: left shift of 1 by 31 places cannot be represented in
type 'int'
Signed-off-by: Rostislav Skudnov <rostislav@tuxera.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'archival/libarchive')
| -rw-r--r-- | archival/libarchive/decompress_bunzip2.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/archival/libarchive/decompress_bunzip2.c b/archival/libarchive/decompress_bunzip2.c index fe5953da2..4fb989c29 100644 --- a/archival/libarchive/decompress_bunzip2.c +++ b/archival/libarchive/decompress_bunzip2.c @@ -134,7 +134,7 @@ static unsigned get_bits(bunzip_data *bd, int bits_wanted) /* Avoid 32-bit overflow (dump bit buffer to top of output) */ if (bit_count >= 24) { - bits = bd->inbufBits & ((1 << bit_count) - 1); + bits = bd->inbufBits & ((1U << bit_count) - 1); bits_wanted -= bit_count; bits <<= bits_wanted; bit_count = 0; @@ -158,11 +158,11 @@ static int get_next_block(bunzip_data *bd) { struct group_data *hufGroup; int dbufCount, dbufSize, groupCount, *base, *limit, selector, - i, j, t, runPos, symCount, symTotal, nSelectors, byteCount[256]; + i, j, runPos, symCount, symTotal, nSelectors, byteCount[256]; int runCnt = runCnt; /* for compiler */ uint8_t uc, symToByte[256], mtfSymbol[256], *selectors; uint32_t *dbuf; - unsigned origPtr; + unsigned origPtr, t; dbuf = bd->dbuf; dbufSize = bd->dbufSize; |