comparison mercurial/cext/revlog.c @ 40741:959130631de3

revlog: properly detect corrupted revlog in `index_get_length`

Pointed out by Yuya Nishihara.

40740:30d878cb102d

			return -1;
		}
		return (int)ret;
	} else {
		const char *data = index_deref(self, rev);
		return (int)getbe32(data + 8);
	}
}

/*
 * RevlogNG format (all in big endian, data may be inlined):

40741:959130631de3

			return -1;
		}
		return (int)ret;
	} else {
		const char *data = index_deref(self, rev);
		int tmp = (int)getbe32(data + 8);
		if (tmp < 0) {
			PyErr_Format(PyExc_OverflowError,
			             "revlog entry size out of bound (%d)",
			             tmp);
			return -1;
		}
		return tmp;
	}
}

/*
 * RevlogNG format (all in big endian, data may be inlined):