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-rw-r--r--archival/libarchive/decompress_bunzip2.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/archival/libarchive/decompress_bunzip2.c b/archival/libarchive/decompress_bunzip2.c
index cd3144743..c4640d489 100644
--- a/archival/libarchive/decompress_bunzip2.c
+++ b/archival/libarchive/decompress_bunzip2.c
@@ -752,7 +752,14 @@ unpack_bz2_stream(int src_fd, int dst_fd)
}
}
- if (i != RETVAL_LAST_BLOCK) {
+ if (i != RETVAL_LAST_BLOCK
+ /* Observed case when i == RETVAL_OK:
+ * "bzcat z.bz2", where "z.bz2" is a bzipped zero-length file
+ * (to be exact, z.bz2 is exactly these 14 bytes:
+ * 42 5a 68 39 17 72 45 38 50 90 00 00 00 00).
+ */
+ && i != RETVAL_OK
+ ) {
bb_error_msg("bunzip error %d", i);
break;
}