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| author | Timo Teräs <timo.teras@iki.fi> | 2020-02-21 09:31:21 +0200 |
|---|---|---|
| committer | Timo Teräs <timo.teras@iki.fi> | 2020-02-21 09:33:58 +0200 |
| commit | c054fbc11e9beca0d45285c3e1f448c81416c5ce (patch) | |
| tree | 8884f1f2de291958f9c64d4536e052898ce2cded /src/database.c | |
| parent | 271047cc930150a2972573625124b0c097ad322a (diff) | |
| download | apk-tools-c054fbc11e9beca0d45285c3e1f448c81416c5ce.tar.gz apk-tools-c054fbc11e9beca0d45285c3e1f448c81416c5ce.tar.bz2 apk-tools-c054fbc11e9beca0d45285c3e1f448c81416c5ce.tar.xz apk-tools-c054fbc11e9beca0d45285c3e1f448c81416c5ce.zip | |
db: fix unaligned memory access in csum_hash()
Diffstat (limited to 'src/database.c')
| -rw-r--r-- | src/database.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/database.c b/src/database.c index 2ca1286..06d1619 100644 --- a/src/database.c +++ b/src/database.c @@ -128,7 +128,9 @@ static unsigned long csum_hash(apk_blob_t csum) { /* Checksum's highest bits have the most "randomness", use that * directly as hash */ - return *(unsigned long *) csum.ptr; + if (csum.len >= sizeof(uint32_t)) + return get_unaligned32(csum.ptr); + return 0; } static const struct apk_hash_ops pkg_info_hash_ops = { |