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-rw-r--r--archival/libarchive/decompress_unlzma.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/archival/libarchive/decompress_unlzma.c b/archival/libarchive/decompress_unlzma.c
index be4342414..80a453806 100644
--- a/archival/libarchive/decompress_unlzma.c
+++ b/archival/libarchive/decompress_unlzma.c
@@ -11,6 +11,13 @@
#include "libbb.h"
#include "bb_archive.h"
+#if 0
+# define dbg(...) bb_error_msg(__VA_ARGS__)
+#else
+# define dbg(...) ((void)0)
+#endif
+
+
#if ENABLE_FEATURE_LZMA_FAST
# define speed_inline ALWAYS_INLINE
# define size_inline
@@ -417,6 +424,10 @@ unpack_lzma_stream(transformer_state_t *xstate)
for (; num_bits2 != LZMA_NUM_ALIGN_BITS; num_bits2--)
rep0 = (rep0 << 1) | rc_direct_bit(rc);
rep0 <<= LZMA_NUM_ALIGN_BITS;
+ if ((int32_t)rep0 < 0) {
+ dbg("%d rep0:%d", __LINE__, rep0);
+ goto bad;
+ }
prob3 = p + LZMA_ALIGN;
}
i2 = 1;